Power distribution device, battery and electric equipment

Abstract

The invention belongs to the technical field of electrical power distribution, and particularly relates to a power distribution device, a battery and electric equipment.The power distribution device comprises a main positive module and a main negative module, the main positive module comprises a first installation base body, a main positive device, a first positive connecting piece and a second positive connecting piece, the main positive device is electrically connected with the first positive connecting piece and the second positive connecting piece, the first positive connecting piece is used for being electrically connected with the positive electrode of the battery body, and the second positive connecting piece is used for being electrically connected with the positive electrode of the electric part; the main negative module comprises a second mounting base body as well as a main negative device, a first negative connecting piece and a second negative connecting piece which are mounted on the second mounting base body, the main negative device is electrically connected with the first negative connecting piece and the second negative connecting piece, the first negative connecting piece is used for being electrically connected with the negative electrode of the battery body, and the second negative connecting piece is used for being electrically connected with the negative electrode of the electric part; and the first mounting base body and the second mounting base body are of a split structure, so that the performance of the battery and the electric equipment is improved, and the manufacturing cost is reduced.

Description

Technical Field

[0001] The present application belongs to the field of electrical power distribution technology, and in particular relates to a power distribution device, a battery, and electrical equipment. Background Art

[0002] With the development of science and technology, more and more electrical equipment use batteries as power sources, and more and more electrical equipment is equipped with power distribution devices. Among them, power distribution devices can be used to distribute and manage the power of high-voltage systems in electrical equipment. Power distribution devices can also be used in batteries to control the charging and discharging of batteries. Power distribution devices are usually large in size and occupy a large space in batteries and electrical equipment, resulting in low space utilization of batteries and electrical equipment, poor structural compactness, and are not conducive to improving the performance of batteries and electrical equipment and reducing production costs.

[0003] The above statements are only used to provide background information related to the present application and do not necessarily constitute prior art. Summary of the invention

[0004] The purpose of the embodiments of the present application is to provide a power distribution device, a battery and an electrical equipment, including but not limited to solving the problem in the related art that the power distribution device generally occupies a large space in the battery and the electrical equipment, resulting in low space utilization of the battery and the electrical equipment.

[0005] The technical solution adopted in the embodiment of the present application is:

[0006] In a first aspect, a power distribution device is provided, which includes a main positive module and a main negative module, the main positive module includes a first mounting base and a main positive device, a first positive connector and a second positive connector mounted on the first mounting base, the main positive device electrically connecting the first positive connector and the second positive connector, the first positive connector is used to electrically connect to the positive pole of a battery body, and the second positive connector is used to electrically connect to the positive pole of an electrical component; the main negative module includes a second mounting base and a main negative device, a first negative connector and a second negative connector mounted on the second mounting base, the main negative device electrically connecting the first negative connector and the second negative connector, the first negative connector is used to electrically connect to the negative pole of the battery body, and the second negative connector is used to electrically connect to the negative pole of the electrical component; wherein the first mounting base and the second mounting base are split structures.

[0007] By adopting the technical solution of this embodiment, the power distribution device includes a main positive module and a main negative module, and the first mounting base of the main positive module and the second mounting base of the main negative module are split structures, that is, the main positive module and the main negative module can be two independent modules, so that during installation, the main positive module and the main negative module can be installed in two different positions, so that the original large installation space required can be broken up into two small installation spaces, which can reduce the impact on the installation of other components, reduce space redundancy, improve the structural compactness of batteries and electrical equipment, and also help to improve the performance of batteries and electrical equipment and reduce production costs; in addition, during installation, the main positive module and the main negative module of the power distribution device are two independent modules, so that the main positive module and the main negative module can be flexibly installed in batteries and electrical equipment, which is also conducive to reducing the difficulty of component arrangement in batteries and electrical equipment.

[0008] In one embodiment, the main positive module also includes a third positive connector, which is electrically connected to the main positive device; the main negative module also includes a third negative connector, which is electrically connected to the main positive device; the power distribution device also includes a charging module, which includes a third mounting base and a positive charging device, a negative charging device, a first charging positive connector and a first charging negative connector arranged on the third mounting base, the first charging positive connector is used to be electrically connected to the positive pole of the charging device, and the first charging negative connector is used to be electrically connected to the negative pole of the charging device; the positive charging device is electrically connected to the third positive connector and the first charging positive connector, and the negative charging device is electrically connected to the third negative connector and the first charging negative connector.

[0009] By adopting the technical solution of this embodiment, when charging, the positive electrode of the charging device is electrically connected to the first positive charging connector, and the negative electrode of the charging device is electrically connected to the first negative charging connector, so as to form a charging circuit to charge the battery body; in addition, by controlling the positive charging device and the negative charging device, the charging circuit can be turned on and off, thereby controlling the charging of the battery body.

[0010] In one embodiment, the third mounting base and the first mounting base are an integrated structure; or, the third mounting base and the second mounting base are an integrated structure; or, the third mounting base, the first mounting base and the second mounting base are separate structures.

[0011] By adopting the technical solution of this embodiment, the charging module can be freely combined with the main positive module or the main negative module to form different structures, thereby meeting the various use requirements of the distribution device, which is beneficial to improving the versatility and scope of application of the distribution device, and is also beneficial to reducing the use cost of the distribution device.

[0012] In one embodiment, the positive charging device includes a positive charging relay, and the negative charging device includes a negative charging relay, the positive charging relay is electrically connected to the first positive charging connector and the third positive connector; the negative charging relay is electrically connected to the first negative charging connector and the third negative connector.

[0013] By adopting the technical solution of this embodiment, the charging positive relay and the charging positive relay are used to control the on and off of the circuit, and the structure of the charging module is simple and easy to realize automatic control; in addition, while the charging positive relay disconnects the circuit between the positive pole of the charging device and the positive pole of the battery body, the charging negative relay can also disconnect the circuit between the negative pole of the charging device and the negative pole of the battery body. At this time, the battery body and the charging device are completely disconnected to improve the reliability of charging the battery body.

[0014] In one embodiment, the first charging positive connector and the first charging negative connector are integrated to form a first connector; the control interface of the charging positive relay, the control interface of the charging negative relay and the interlocking sampling interface of the first connector are integrated to form a first integrated interface, and the first integrated interface is arranged on the third mounting base and exposed to the third mounting base.

[0015] By adopting the technical solution of this embodiment, the first charging positive connector and the first charging negative connector are integrated to form a first connector, which is convenient for plugging the charging device into the charging module; the first integrated interface adopts an integrated integral structure, which is convenient for electrical connection and easy to standardize the external interface of the charging module, which is beneficial to reducing the production difficulty and production cost of the charging module.

[0016] In one embodiment, the main positive module also includes a third positive connector, which is electrically connected to the main positive device; the main positive module also includes a positive charging device and a first charging positive connector for electrically connecting to the positive pole of the charging device, the positive charging device is electrically connected to the third positive connector and the first charging positive connector, and the positive charging device and the first charging positive connector are installed on the first mounting base.

[0017] By adopting the technical solution of this embodiment, the positive charging device and the first charging positive connector are installed on the first mounting base, so that the positive charging device and the first charging positive connector can be integrated into the main positive module, which is beneficial to improving the integration of the power distribution device, facilitating the flexible installation of the power distribution device, improving the structural compactness of the battery and electrical equipment, and reducing the manufacturing cost of the battery and electrical equipment.

[0018] In one embodiment, the first mounting base includes a first mounting portion and a second mounting portion, the main positive device, the first positive connector and the second positive connector are mounted on the first mounting portion, and the positive charging device and the first charging positive connector are mounted on the second mounting portion; wherein the first mounting portion and the second mounting portion are an integrated structure, or the first mounting portion and the second mounting portion are a split structure.

[0019] By adopting the technical solution of this embodiment, the structure of the first installation base can be flexibly set to facilitate processing and manufacturing.

[0020] In one embodiment, the positive charging device includes a charging positive relay, which is electrically connected to the third positive connector and the first charging positive connector; or, the positive charging device also includes a charging fuse, which is electrically connected to the third positive connector and the first charging positive connector, and the charging fuse is connected in series with the charging positive relay.

[0021] By adopting the technical solution of this embodiment, the circuit topology of the main positive module is flexibly set, the circuit is simple, and the processing and manufacturing are convenient.

[0022] In one embodiment, the main positive device includes a main positive relay, a pre-charge relay, a main positive fuse and a pre-charge resistor. The first end of the main positive fuse is electrically connected to the first positive connector, and the first end of the main positive relay, the first end of the pre-charge relay and the second end of the main positive fuse are connected in common; the first end of the pre-charge resistor is electrically connected to the second end of the pre-charge relay, and the second end of the pre-charge resistor, the second end of the main positive relay and the second positive connector are connected in common.

[0023] By adopting the technical solution of this embodiment, the main positive fuse can protect the main positive module from overload, thereby improving the reliability of the battery and electrical equipment. In addition, the pre-charging resistor and pre-charging relay can reduce the instantaneous current in the circuit, reduce the risk of the main positive relay being broken down and damaged, and is also beneficial to improving the reliability of the battery and electrical equipment.

[0024] In one embodiment, the main positive module also includes a third positive connector for electrically connecting to the positive pole of the charging device, and the third positive connector, the first end of the main positive relay and the second end of the main positive fuse are connected together; or, the third positive connector, the second end of the main positive relay, the second positive connector and the second end of the pre-charging resistor are connected together.

[0025] By adopting the technical solution of this embodiment, the third positive connector can be connected in series or in parallel with the main positive relay through different connection positions of the third positive connector and the main positive relay, thereby obtaining different circuit topologies to meet different circuit topology requirements.

[0026] In one embodiment, the main positive module also includes a first connector, the first connector is electrically connected to the third positive connector, and the first connector is movably connected to the first mounting base, so that the first connector has a first connection position and a second connection position; when the first connector is in the first connection position, the first connector, the first end of the main positive relay and the second end of the main positive fuse are connected together; when the first connector is in the second connection position, the first connector, the second end of the main positive relay, the second positive connector and the second end of the pre-charging resistor are connected together.

[0027] By adopting the technical solution of this embodiment, the first connecting member can be moved relative to the first mounting base to achieve conversion of different circuit topologies, so that the distribution device can meet the use requirements of various circuit topologies, which is beneficial to improving the versatility of the distribution device and also beneficial to reducing the design cost and manufacturing cost of the distribution device.

[0028] In one embodiment, the main positive device further includes a charging fuse, which is connected in series between the first connector and the third positive connector.

[0029] By adopting the technical solution of this embodiment, the charging fuse can be integrated into the main positive module, which can improve the integration of the main positive module and reduce the manufacturing cost.

[0030] In one embodiment, at least two of the control interface of the main positive relay, the voltage sampling interface of the main positive relay and the control interface of the pre-charge relay are integrated to form a second integrated interface, and the second integrated interface is installed on the first mounting base and exposed to the first mounting base.

[0031] By adopting the technical solution of this embodiment, the second integrated interface adopts an integrated integral structure, which is convenient for electrical connection and easy to achieve standardization of the external interface of the main positive module, which is beneficial to reducing the production difficulty and production cost of the main positive module.

[0032] In one embodiment, the main positive device also includes a charging positive relay, which is arranged on the first mounting base, and the main positive module also includes a fourth positive connector, a fifth positive connector and a sixth positive connector, the fourth positive connector is electrically connected to the first end of the main positive relay, the fifth positive connector is used to electrically connect to the first end of the charging positive relay, and the sixth positive connector is used to electrically connect to the second end of the charging positive relay; wherein, at least a portion of the fourth positive connector, at least a portion of the second positive connector, at least a portion of the fifth positive connector and at least a portion of the sixth positive connector are exposed outside the first mounting base.

[0033] By adopting the technical solution of this embodiment, at least part of the fourth positive connector, at least part of the second positive connector, at least part of the fifth positive connector and at least part of the sixth positive connector are exposed outside the first mounting base, which can facilitate the electrical connection between the fourth positive connector, the second positive connector, the fifth positive connector and the sixth positive connector; in addition, the fourth positive connector, the second positive connector, the fifth positive connector and the sixth positive connector can also be selectively electrically connected to realize the series or parallel connection of the charging positive relay and the main positive relay, so that the main positive module can flexibly change different circuit topologies, which is beneficial to improving the versatility and scope of use of the distribution device, and is also beneficial to reducing the design and manufacturing costs of the distribution device.

[0034] In one embodiment, the main positive module also includes a first conductive member, wherein the first end of the first conductive member is electrically connected to the portion of the fifth positive connector exposed outside the first mounting base; the second end of the first conductive member is electrically connected to the portion of the fourth positive connector exposed outside the first mounting base; or, the second end of the first conductive member is electrically connected to the portion of the second positive connector exposed outside the first mounting base.

[0035] By adopting the technical solution of this embodiment, two different circuit topologies can be realized by electrically connecting the second end of the conductive member to the fourth positive connector or the second positive connector, thereby meeting different circuit topology requirements, which is beneficial to improving the versatility and scope of use of the distribution device and also beneficial to reducing the design and manufacturing costs of the distribution device.

[0036] In one embodiment, the main positive device also includes a charging fuse, which is arranged on the first mounting base, and the main positive module also includes a seventh positive connector and an eighth positive connector, the seventh positive connector is used to electrically connect to the first end of the charging fuse, and the eighth positive connector is used to electrically connect to the second end of the charging fuse; wherein, at least part of the seventh positive connector and at least part of the eighth positive connector are exposed outside the first mounting base.

[0037] By adopting the technical solution of this embodiment, the seventh positive connector, the eighth positive connector, the fifth positive connector, the sixth positive connector, the fourth positive connector, and the second positive connector can be selectively electrically connected, and the charging fuse can be connected to the main positive circuit, or the charging fuse can be not connected to the main positive circuit, thereby realizing different circuit topologies; in addition, the connection sequence of the charging fuse and the charging relay can be adjusted to meet different circuit topologies, so that the main positive module can meet the use requirements of various circuit topologies, increase the versatility and scope of application of the distribution device, and reduce the production cost and design cost of the distribution device.

[0038] In one embodiment, the main positive module further includes a second conductive member, a first end of the second conductive member being electrically connected to a portion of the sixth positive connector exposed outside the first mounting base, and a second end of the second conductive member being electrically connected to a portion of the seventh positive connector exposed outside the first mounting base.

[0039] By adopting the technical solution of this embodiment, the second conductive member can connect the charging fuse and the charging positive relay in series, and the connection is simple and convenient.

[0040] In one embodiment, the control interface of the main positive relay, the control interface of the pre-charging relay and the control interface of the charging positive relay are integrated to form a third integrated interface, and the third integrated interface is arranged on the first mounting base and exposed outside the first mounting base; and / or, the voltage sampling interface of the main positive relay and the voltage sampling interface of the charging positive relay are integrated to form a fourth integrated interface, and the fourth integrated interface is arranged on the first mounting base and exposed outside the first mounting base.

[0041] By adopting the technical solution of this embodiment, the third integrated interface and / or the fourth integrated structure adopts an integrated integral structure, which is convenient for electrical connection and easy to achieve standardization of the external interface of the main positive module, which is beneficial to reducing the production difficulty and production cost of the main positive module.

[0042] In one embodiment, the main positive device further includes a first current sensor, and the first current sensor is connected in series with the main positive fuse.

[0043] By adopting the technical solution of this embodiment, the first current sensor can obtain the current information flowing through the main positive fuse to monitor the operating status of the main positive module, facilitate timely intervention when the main positive module operates abnormally, and improve the reliability of the main positive module.

[0044] In one embodiment, the first mounting base is a main positive housing, and the main positive device is located in the main positive housing.

[0045] By adopting the technical solution of this embodiment, the main positive housing can separate the main positive device from the external environment, which can reduce the risk of damage and short circuit of the main positive device, and is beneficial to improving the reliability of the main positive module.

[0046] In one embodiment, the main negative module also includes a third negative connector, which is electrically connected to the main negative device; the main negative module also includes a negative charging device and a first charging negative connector for electrically connecting to the negative pole of the charging device, the negative charging device is electrically connected to the third negative connector and the first charging negative connector, and the negative charging device and the first charging negative connector are installed on the second mounting base.

[0047] By adopting the technical solution of this embodiment, the negative charging device and the first charging negative connector are installed on the second mounting base, so that the negative charging device and the first charging negative connector can be integrated into the main negative module, which is beneficial to improving the integration of the distribution device, facilitating the flexible installation of the distribution device, improving the structural compactness of the battery and electrical equipment, and reducing the manufacturing cost of the battery and electrical equipment.

[0048] In one embodiment, the second mounting base includes a third mounting portion and a fourth mounting portion, the main negative device, the first negative connector and the second negative connector are mounted on the third mounting portion, and the negative charging device and the first charging negative connector are mounted on the fourth mounting portion; wherein the third mounting portion and the fourth mounting portion are an integrated structure, or the third mounting portion and the fourth mounting portion are a split structure.

[0049] By adopting the technical solution of this embodiment, the structure of the second mounting base can be flexibly arranged to facilitate processing and manufacturing.

[0050] In one embodiment, the negative charging device comprises a negative charging relay electrically connecting the third negative connection piece and the first negative charging connection piece.

[0051] By adopting the technical solution of this embodiment, the on-off of the charging negative relay controls the on-off of the circuit between the negative pole of the battery body and the negative pole of the charging device, thereby controlling the charging of the battery body; in addition, the on-off control of the circuit is simple by adopting the charging negative relay to control the on-off.

[0052] In one embodiment, the main negative device includes a main negative fuse, a second current sensor and a main negative relay, the first end of the main negative fuse is electrically connected to the first negative connector, the second end of the main negative fuse is electrically connected to the first end of the second current sensor, the second end of the second current sensor is electrically connected to the first end of the main negative relay, and the second end of the main negative relay is electrically connected to the second negative connector.

[0053] By adopting the technical solution of this embodiment, the main negative insurance can provide overload protection for the main negative module, thereby improving the reliability of the battery and electrical equipment; the second current sensor can monitor the current information of the main negative module to monitor the operating status of the main negative module, thereby facilitating timely intervention when the main negative module operates abnormally, thereby improving the reliability of the main negative module; the main negative relay can open and close the circuit between the first negative connector and the second negative connector, thereby realizing battery charging and discharging control.

[0054] In one embodiment, the main negative module also includes a third negative connector for electrically connecting to the negative pole of the charging device, and the third negative connector, the first end of the main negative relay and the second end of the second current sensor are connected in common; or, the third negative connector, the second end of the main negative relay and the second negative connector are connected in common.

[0055] By adopting the technical solution of this embodiment, the third negative connector can be connected in series or in parallel with the main negative relay through different connection positions of the third negative connector and the main negative relay, thereby obtaining different circuit topologies to meet different circuit topology requirements.

[0056] In one embodiment, the main negative module also includes a second connector, which is electrically connected to the third negative connector and movably connected to the second mounting base, so that the second connector has a third connection position and a fourth connection position; when the second connector is in the third connection position, the second connector, the first end of the main negative relay and the second end of the second current sensor are connected in common; when the second connector is in the fourth connection position, the second connector, the second end of the main negative relay and the second negative connector are connected in common.

[0057] By adopting the technical solution of this embodiment, the second connecting member can be moved relative to the second mounting base to achieve conversion of different circuit topologies, so that the distribution device can meet the use requirements of various circuit topologies, which is beneficial to improving the versatility of the distribution device and also beneficial to reducing the design cost and manufacturing cost of the distribution device.

[0058] In one embodiment, at least two of the control interface of the main negative fuse, the first communication interface of the second current sensor, the control interface of the main negative relay and the voltage sampling interface of the main negative relay are integrated to form a fifth integrated interface, and the fifth integrated interface is arranged on the second mounting base and exposed to the second mounting base.

[0059] By adopting the technical solution of this embodiment, the fifth integrated interface adopts an integrated integral structure, which is convenient for electrical connection and easy to achieve standardization of the external interface of the main and negative modules, which is beneficial to reducing the production difficulty and production cost of the main and negative modules.

[0060] In one embodiment, the main negative device also includes a charging negative relay, which is arranged on the second mounting base, and the main negative module also includes a fourth negative connector, a fifth negative connector and a sixth negative connector, the fourth negative connector is electrically connected to the first end of the main negative relay, the fifth negative connector is used to electrically connect to the first end of the charging negative relay, and the sixth negative connector is used to electrically connect to the second end of the charging negative relay; wherein, at least a portion of the fourth negative connector, at least a portion of the second negative connector, at least a portion of the fifth negative connector and at least a portion of the sixth negative connector are exposed outside the second mounting base.

[0061] By adopting the technical solution of this embodiment, the fourth negative connector, the second negative connector, the fifth negative connector and the sixth negative connector can also be selectively electrically connected, so that the charging negative relay and the main negative relay are connected in series or in parallel. In this way, different circuit topologies of the main negative module are realized, so that the main negative module can change different circuit topologies, which is beneficial to improving the versatility and scope of use of the distribution device, and is also beneficial to reducing the design and manufacturing costs of the distribution device.

[0062] In one embodiment, the main negative module also includes a third conductive member, a first end of the third conductive member is electrically connected to a portion of the fifth negative connector exposed outside the second mounting base; a second end of the third conductive member is electrically connected to a portion of the fourth negative connector exposed outside the second mounting base; or, a second end of the third conductive member is electrically connected to a portion of the second negative connector exposed outside the second mounting base.

[0063] By adopting the technical solution of this embodiment, two different circuit topologies of the main negative module can be realized by electrically connecting the second end of the conductive member to the fourth negative connector or the second negative connector, thereby meeting different circuit topology requirements, which is beneficial to improving the versatility and scope of use of the distribution device, and is also beneficial to reducing the design and manufacturing costs of the distribution device.

[0064] In one embodiment, the control interface of the main negative relay, the control interface of the charging negative relay and the control interface of the main negative fuse are integrated to form a sixth integrated interface, which is arranged on the second mounting base and exposed outside the second mounting base; and / or, the voltage sampling interface of the main negative relay and the voltage sampling interface of the charging negative relay are integrated to form a seventh integrated interface, which is arranged on the second mounting base and exposed outside the second mounting base.

[0065] By adopting the technical solution of this embodiment, the sixth integrated interface and the seventh integrated interface adopt an integrated integral structure, which is convenient for electrical connection and easy to achieve standardization of the external interface of the main negative module, which is beneficial to reducing the production difficulty and production cost of the main negative module.

[0066] In one embodiment, the second mounting base is a main negative shell, and the main negative component is mounted on the main negative shell.

[0067] By adopting the technical solution of this embodiment, the main negative shell can separate the main negative components from the external environment, which can reduce the risk of damage and short circuit of the main negative components, and is beneficial to improving the reliability of the main negative module.

[0068] In a second aspect, a battery is provided, comprising a power distribution device as described in the above embodiment.

[0069] In one embodiment, the battery also includes a battery body, a battery management system and a second connector, the positive electrode of the battery body is electrically connected to the first positive connector, the negative electrode of the battery body is electrically connected to the first negative connector, the positive electrode of the second connector is electrically connected to the second positive connector, the negative electrode of the second connector is electrically connected to the second negative connector, and the main positive device, the main negative device and the second connector are all electrically connected to the battery management system.

[0070] By adopting the technical solution of this embodiment, the service life of the battery can be extended through the management of the battery management system. In addition, the electrical connection between the second connector and the electrical component is simple to operate, which is conducive to improving the convenience of battery use.

[0071] In a third aspect, there is provided an electrical equipment, comprising a power distribution device as in the above embodiment; or, comprising a battery as in the above embodiment. BRIEF DESCRIPTION OF THE DRAWINGS

[0072] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0073] Figure 1 A schematic diagram of the structure of a vehicle provided for one embodiment of the present application.

[0074] Figure 2 A schematic diagram of an exploded view of a battery provided in accordance with another embodiment of the present application.

[0075] Figure 3 A schematic structural diagram of a power distribution device and a box provided in yet another embodiment of the present application.

[0076] Figure 4 A schematic structural diagram of a power distribution device provided in yet another embodiment of the present application.

[0077] Figure 5 A schematic structural diagram of a power distribution device provided in yet another embodiment of the present application.

[0078] Figure 6 A schematic structural diagram of a power distribution device provided in yet another embodiment of the present application.

[0079] Figure 7 for Figure 6 The structural schematic diagram of the charging module is shown in FIG.

[0080] Figure 8 A schematic diagram of a charging module provided in another embodiment of the present application Figure 1 .

[0081] Fig. 9 for Figure 8 The exploded view of the charging module shown in Figure 2 .

[0082] Fig.10 A schematic structural diagram of a power distribution device provided in yet another embodiment of the present application.

[0083] Fig.11 A schematic structural diagram of a main positive module provided in yet another embodiment of the present application.

[0084] Fig.12 for Fig.11 An exploded schematic diagram of the main positive module is shown.

[0085] Fig.13 A schematic structural diagram of a main negative module provided in yet another embodiment of the present application.

[0086] Fig.14 for Fig.13 An exploded schematic diagram of the main negative module is shown.

[0087] Fig.15 A schematic structural diagram of a power distribution device provided in yet another embodiment of the present application.

[0088] Fig.16 Various circuit topologies of a main positive module of a power distribution device provided in yet another embodiment of the present application.

[0089] Fig.17 A schematic structural diagram of a main positive module of a power distribution device provided in yet another embodiment of the present application.

[0090] Fig.18 A schematic structural diagram of a main positive module of a power distribution device provided in yet another embodiment of the present application.

[0091] Fig.19 A schematic structural diagram of a main positive module of a power distribution device provided in yet another embodiment of the present application.

[0092] Fig. 20 Various circuit topologies of the main negative module of a power distribution device provided in yet another embodiment of the present application.

[0093] Fig.21 A schematic structural diagram of a main negative module of a power distribution device provided in yet another embodiment of the present application.

[0094] Fig. 22 A schematic structural diagram of a main negative module of a power distribution device provided in yet another embodiment of the present application.

[0095] Fig.23 A schematic structural diagram of a main negative module of a power distribution device provided in yet another embodiment of the present application.

[0096] Among them, the reference numerals in the figure are:

[0097] 1000, vehicle; 1100, battery; 1200, controller; 1300, motor;

[0098] 10. Power distribution device; 100. Main positive module; 110. First mounting base; 111. First mounting part; 112. Second mounting part; 113. First cover; 114. Second cover; 115. Heat conducting member; 120. Main positive device; 121. Main positive relay; 1211. First insulating cover; 122. Pre-charge relay; 123. Main positive fuse; 124. Pre-charge resistor; 125. First current sensor; 1251. Second communication interface; 130. First positive connector; 140, second positive connector; 150, third positive connector; 160, first connector; 171, fourth positive connector; 172, fifth positive connector; 173, sixth positive connector; 174, seventh positive connector; 175, eighth positive connector; 176, first conductive member; 177, second conductive member; 181, second integrated interface; 182, third integrated interface; 183, fourth integrated interface; 190, first electrical connector;

[0099] 200, main negative module; 210, second mounting base; 211, third mounting part; 212, fourth mounting part; 220, main negative device; 213, third cover; 214, fourth cover; 221, main negative fuse; 222, second current sensor; 2221, first communication interface; 223, main negative relay; 2231, second insulating cover; 230, first negative connector; 240, second negative connector; 250, third negative connector; 260, second connector; 271, fourth negative connector; 272, fifth negative connector; 273, sixth negative connector; 274, third conductive member; 281, fifth integrated interface; 282, sixth integrated interface; 283, seventh integrated interface; 290, second electrical connector;

[0100] 300, charging module; 310, third mounting base; 320, positive charging device; 321, positive charging relay; 322, charging insurance; 330, negative charging device; 331, negative charging relay; 341, first positive charging connector; 342, second positive charging connector; 351, first negative charging connector; 352, second negative charging connector; 360, first integrated interface; 370, integrated housing structure; 380, first connector; 381, interlocking circuit; 391, first copper bar; 392, second copper bar;

[0101] 20. Battery management system; 30. Second connector; 40. Box; 41. First part; 42. Second part; 50. Battery body; 51. Battery cell. DETAILED DESCRIPTION

[0102] The embodiments of the present application are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. Figures 1 to 23 The described embodiments are exemplary and are intended to be used to explain the present application, but should not be construed as limiting the present application.

[0103] In the description of the present application, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0104] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0105] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0106] In the description of this application, it should be noted that the term "and / or" is merely a description of the association relationship between associated objects, indicating that three relationships may exist. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone.

[0107] It should also be noted that, in the embodiments of the present application, the same figure mark is used to represent the same component or the same part. For the same parts in the embodiments of the present application, the figure may only mark one of the parts or components as an example. It should be understood that the figure mark also applies to other identical parts or components.

[0108] In the description of this application, it should be noted that the term "electrical connection" refers to a connection method that can achieve electrical conductivity between components; optionally, "electrical connection" can refer to direct contact connection between components, or it can refer to connection through components such as wires and conductive sheets.

[0109] In the present application, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0110] The electrical equipment may refer to a device that uses a battery as a power source, and the power source provides electrical energy to the electrical equipment, thereby driving the electrical equipment to work. The electrical equipment is usually provided with a power distribution device, which is used to control the operation of the high-voltage system in the electrical equipment; wherein, the "pressure" in the high-voltage system refers to the voltage, and the high-voltage system refers to a circuit with a voltage exceeding 60V; for example, the power distribution device may be a high-voltage distribution box, which may refer to a device responsible for the distribution and management of electrical energy in the high-voltage system of the electrical equipment, such as: a PDU (Power Distribution Unit) used in new energy vehicles, wherein the function of the PDU is to be responsible for the power distribution and management in the high-voltage system of the new energy vehicle, and to provide the whole vehicle with functions such as charge and discharge control, power-on control of high-voltage components, circuit overload short-circuit protection, high-voltage sampling, and low-voltage control, and to protect and monitor the operation of the high-voltage system; the high-voltage distribution box may also refer to a component used in the battery and used to control the battery charge and discharge control, such as: a BDU (Battery Disconnect Unit), which controls the battery charge and discharge, and is a high-voltage distribution box designed specifically for batteries.

[0111] The distribution device is usually large in size, and a large installation space needs to be reserved for electrical equipment and batteries for the installation of the distribution device. However, the large installation space required for the distribution device will also affect the installation of other components, resulting in space redundancy, causing low space utilization of batteries and electrical equipment, poor structural compactness, and is not conducive to performance improvement of batteries and electrical equipment and reduction of production costs.

[0112] Based on this, in order to improve the space utilization of batteries and electrical equipment, an embodiment of the present application provides a power distribution device, which includes a main positive module and a main negative module. The first mounting base of the main positive module and the second mounting base of the main negative module are split structures, that is, the main positive module and the main negative module can be two independent modules. In this way, during installation, the main positive module and the main negative module can be installed in two different positions, so that the original large installation space required can be broken up into two small installation spaces, thereby reducing the impact on the installation of other components, reducing space redundancy, and improving the structural compactness of batteries and electrical equipment. It is also beneficial to improve the performance of batteries and electrical equipment and reduce production costs; in addition, during installation, the main positive module and the main negative module of the power distribution device are two independent modules, so that the main positive module and the main negative module can be flexibly installed in the battery and electrical equipment, which is also beneficial to reduce the difficulty of component arrangement in the battery and electrical equipment.

[0113] The power distribution device of the embodiment of the present application can be applied to electrical equipment as a battery energy distribution unit; it can also be applied to a battery as a component for controlling battery charging and discharging.

[0114] The battery of the embodiment of the present application includes at least one battery cell to provide higher voltage and capacity. The battery cell can be a lithium-ion secondary battery, a lithium-ion primary battery, a lithium-sulfur battery, a sodium-lithium-ion battery, a sodium-ion battery or a magnesium-ion battery, etc.; the battery cell can be cylindrical, flat, rectangular or other shapes, etc.; the battery cell can be packaged in different ways to form a cylindrical battery cell, a square battery cell or a soft-pack battery cell, etc.

[0115] The battery of the embodiment of the present application can be used in electrical equipment that uses the battery as a power source, or in various energy storage systems that use the battery as an energy storage element. Electrical equipment may be, but is not limited to, vehicles, mobile phones, portable devices, laptops, ships, spacecraft, electric toys, and electric tools, etc. The vehicle may be a fuel vehicle, a gas vehicle, or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle, or an extended-range vehicle, etc. Spacecraft include airplanes, rockets, space shuttles, and spacecraft, etc. Electric toys include fixed or mobile electric toys, such as game consoles, electric car toys, electric ship toys, and electric airplane toys, etc. Electric tools include metal cutting electric tools, grinding electric tools, assembly electric tools, and railway electric tools, such as electric drills, electric grinders, electric wrenches, electric screwdrivers, electric hammers, impact drills, concrete vibrators, and electric planers, etc.

[0116] In order to illustrate the technical solution provided by the present application, the following is a detailed description with reference to specific drawings and embodiments, and taking "electrical equipment being a vehicle" as an example.

[0117] See also Figure 1 , the vehicle 1000 may be a fuel vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle or an extended-range vehicle, etc. A battery 1100 is provided inside the vehicle 1000, and the battery 1100 may be provided at the bottom, head or tail of the vehicle 1000. The battery 1100 is used to power the vehicle 1000, for example, the battery 1100 may be used as an operating power source for the vehicle 1000. The vehicle 1000 may also include a controller 1200 and a motor 1300, and the controller 1200 is used to control the battery 1100 to power the motor 1300, for example, for the starting, navigation and working power requirements of the vehicle 1000 during driving.

[0118] In one embodiment, the vehicle 1000 may also include a power distribution device 10, which is installed in the electrical equipment. The power distribution device 10 is connected to components such as the battery 1100, the controller 1200 and the motor 1300, so as to be responsible for the power distribution and management in the high-voltage system of the vehicle 1000, and provide the entire vehicle with functions such as charging and discharging control, power-on control of high-voltage components, circuit overload and short-circuit protection, high-voltage sampling, and low-voltage control, so as to protect and monitor the operation of the high-voltage system.

[0119] In some embodiments of the present application, the battery 1100 can not only serve as the operating power source of the vehicle 1000, but also serve as the driving power source of the vehicle 1000, replacing or partially replacing fuel or natural gas to provide driving power for the vehicle 1000.

[0120] See also Figure 2 The battery 1100 includes a battery body 50 and a box 40, and the battery body 50 is contained in the box 40. The box 40 is used to provide a storage space for the battery body 50, and the structure of the box 40 can be designed in a diversified and flexible manner. In some embodiments, the box 40 may include a first part 41 and a second part 42, and the first part 41 and the second part 42 cover each other, and the first part 41 and the second part 42 jointly define a storage space for accommodating the battery body 50. The second part 42 may be a hollow structure with one end open, and the first part 41 may be a plate-like structure, and the first part 41 covers the open side of the second part 42, so that the first part 41 and the second part 42 jointly define a storage space; the first part 41 and the second part 42 may also be hollow structures with one side open, and the open side of the first part 41 covers the open side of the second part 42. Of course, the box 40 formed by the first part 41 and the second part 42 can be in various shapes, such as a cylinder, a cuboid, etc.

[0121] In the battery 1100, the battery body 50 may include one battery cell 51 or multiple battery cells 51. In the case where the battery body 50 includes multiple battery cells 51, the multiple battery cells 51 may be directly connected in series, in parallel, or mixed together, and then the whole formed by the multiple battery cells 51 is accommodated in the box body 40. Among them, the battery cell 51 may be a lithium-ion secondary battery, a lithium-sulfur battery, a sodium-lithium-ion battery, a sodium-ion battery, or a magnesium-ion battery, etc. The battery cell 51 may be cylindrical, flat, rectangular, or in other shapes, etc. The battery cell 51 may be packaged in different ways to form a cylindrical battery cell, a square battery cell, or a soft-pack battery cell, etc.

[0122] Alternatively, the battery body 50 may be a battery module or a battery module. At least two battery cells 51 may be connected in series, in parallel, or in a mixed connection to form a modular structure, i.e., a battery module or a battery module; at least two battery modules or battery modules may be connected in series, in parallel, or in a mixed connection to form a whole, and accommodated in the box 40.

[0123] In one embodiment, the battery 1100 may further include other structures. For example, the battery 1100 may further include a busbar component for achieving electrical connection between at least two battery cells 51 .

[0124] In some embodiments, the battery 1100 may not include the box body 40, but at least two battery bodies 50 are electrically connected and formed into a whole through necessary fixing structures and then assembled into an electrical device.

[0125] In some embodiments, in combination Figure 3 As shown, the battery 1100 may further include a power distribution device 10, which may be accommodated in the accommodation space of the box 40 or may be located outside the accommodation space of the box 40. The power distribution device 10 is electrically connected to the battery body 50 to control the charging and discharging of the battery 1100.

[0126] Combination Figure 4As shown, in one embodiment of the present application, a power distribution device 10 is provided, which includes a main positive module 100 and a main negative module 200, the main positive module 100 includes a first mounting base 110, a main positive device 120, a first positive connector 130 and a second positive connector 140, the main positive device 120, the first positive connector 130 and the second positive connector 140 are installed on the first mounting base 110, the main positive device 120 is electrically connected to the first positive connector 130 and the second positive connector 140, the first positive connector 130 is used to be electrically connected to the positive electrode of the battery body 50, and the second positive connector 140 is used to be electrically connected to the positive electrode of the battery body 50. Electrically connected to the positive electrode of the electrical component; the main negative module 200 includes a second mounting base 210, a main negative device 220, a first negative connector 230 and a second negative connector 240, the main negative device 220, the first negative connector 230 and the second negative connector 240 are installed on the second mounting base 210, the main negative device 220 is electrically connected to the first negative connector 230 and the second negative connector 240, the first negative connector 230 is used to be electrically connected to the negative electrode of the battery body 50, and the second negative connector 240 is used to be electrically connected to the negative electrode of the electrical component; wherein, the first mounting base 110 and the second mounting base 210 are split structures.

[0127] The main positive module 100 may refer to a module component formed by integrating electrical components electrically connected between the positive electrode of the battery body 50 and the positive electrode of the electrical component, wherein the positive electrode of the battery body 50, the positive electrode of the electrical component and the main positive module 100 are electrically connected to form a main positive circuit; the main positive module 100 can be used to control the on and off of the main positive circuit. The main negative module 200 may refer to a module component formed by integrating electrical components electrically connected between the negative electrode of the battery body 50 and the negative electrode of the electrical component; the positive electrode of the battery body 50, the negative electrode of the electrical component and the main negative module 200 are electrically connected to form a main negative circuit, and the main negative module 200 can be used to control the on and off of the main negative circuit.

[0128] The main positive module 100 includes a first mounting base 110, a main positive device 120, a first positive connector 130 and a second positive connector 140. The first mounting base 110 may refer to a component that provides an installation position for the main positive device 120, the first positive connector 130 and the second positive connector 140, and plays a role in supporting the main positive device 120, the first positive connector 130 and the second positive connector 140; the first mounting base 110 is usually made of insulating materials, such as plastic, rubber, etc. The first mounting base 110 has insulating properties, which can reduce the short circuit risk of the main positive module 100, and can also protect the main positive device 120, the first positive connector 130 and the second positive connector 140. The connecting member 130 and the second positive connecting member 140 play the role of insulation protection. The first mounting base 110 can be a plate-shaped or block-shaped structure. The main positive device 120, the first positive connecting member 130 and the second positive connecting member 140 are installed on the first mounting base 110. The first mounting base 110 can also be a shell-shaped structure. The main positive device 120 is installed in the space enclosed by the first mounting base 110. The first mounting base 110 can insulate the main positive device 120 from the external environment and play the role of insulation protection. At least part of the first positive connecting member 130 and the second positive connecting member 140 are exposed outside the first mounting base 110 to facilitate electrical connection.

[0129] The main positive electrical device may refer to an electrical device electrically connected between the positive electrode of the battery body 50 and the positive electrode of the electrical component, wherein the main positive electrical device may include but is not limited to relays, fuses, resistors, current sensors, shunts, etc.

[0130] The first positive connector 130 may refer to a conductive component electrically connected to the positive electrode of the battery body 50, and the second positive connector 140 may refer to a conductive component electrically connected to the positive electrode of the electrical component; wherein the conductive component is made of conductive material to meet the conductivity requirements, and the conductive material may be but is not limited to copper, aluminum and other components; for example, the conductive component may be but is not limited to a wire, a bar, a terminal, a conductive terminal or a conductive port; the structures of the first positive connector 130 and the second positive connector 140 may be the same or different; the materials of the first positive connector 130 and the second positive connector 140 may be the same or different.

[0131] The main negative module 200 includes a second mounting base 210, a main negative device 220, a first negative connector 230 and a second negative connector 240. The second mounting base 210 may refer to a component that provides a mounting position for the main negative device 220, the first negative connector 230 and the second negative connector 240, and plays a role in supporting the main negative device 220, the first negative connector 230 and the second negative connector 240. The second mounting base 210 is usually made of insulating materials, such as plastic, rubber, etc. The second mounting base 210 has insulating properties, which can reduce the short circuit risk of the main negative module 200, and can also protect the main negative device 220, the first negative connector 2 30 and the second negative connector 240 play the role of insulation protection. The second mounting base 210 can be a plate-shaped or block-shaped structure. The main negative device 220, the first negative connector 230 and the second negative connector 240 are installed on the second mounting base 210; the second mounting base 210 can also be a shell-shaped structure. The main negative device 220 is installed in the space enclosed by the second mounting base 210. The second mounting base 210 can insulate the main positive device 120 from the external environment and play the role of insulation protection. At least part of the first negative connector 230 and at least part of the second negative connector 240 are exposed outside the second mounting base 210 to facilitate electrical connection.

[0132] The main negative electrical device may refer to an electrical device electrically connected between the negative electrode of the battery body 50 and the negative electrode of the electrical component, wherein the main positive electrical device may include but is not limited to relays, fuses, resistors, current sensors, shunts, etc. The first negative connector 230 may refer to a conductive component electrically connected to the negative electrode of the battery body 50, and the second negative connector 240 may refer to a conductive component electrically connected to the negative electrode of the electrical component; the structures of the first negative connector 230 and the second negative connector 240 may be the same or different; the materials of the first negative connector 230 and the second negative connector 240 may be the same or different.

[0133] The positive pole of the battery body 50 may refer to the component of the battery body 50 for current to flow out, and the negative pole of the battery body 50 may refer to the component of the battery body 50 for current to flow into; the positive pole of the electrical component may refer to the component used for electrical connection to the positive pole of the battery body 50, and the negative pole of the electrical component may refer to the component used for electrical connection to the negative pole of the battery body 50.

[0134] When the power distribution device 10 of the embodiment of the present application is in use, the first positive connector 130 is electrically connected to the positive electrode of the battery body 50, the second positive connector 140 can be electrically connected to the positive electrode of the electrical component, the first negative connector 230 is electrically connected to the negative electrode of the battery body 50, and the second negative connector 240 is electrically connected to the negative electrode of the electrical component. In this way, the main positive circuit and the main negative circuit between the electrical component and the battery body 50 are electrically connected and a current loop is formed, so that the battery body 50 can supply power to the electrical component.

[0135] When the power distribution device 10 is responsible for the distribution and management of electric energy in the high-voltage system of electrical equipment, the battery body 50 may refer to the battery 1100; optionally, the battery 1100 has an external interface electrically connected to the electrical component, the positive pole of the battery 1100 may refer to the positive terminal of the external interface, and the negative pole of the battery 1100 may refer to the negative terminal in the external interface; the electrical component may refer to the electrical device in the electrical equipment, such as: air conditioners, motors 1300 and other components. When in use, the first positive connector 130 is electrically connected to the positive electrode of the battery 1100, the second positive connector 140 is electrically connected to the positive electrode of the electrical component, the first negative connector 230 is electrically connected to the negative electrode of the battery 1100, and the second negative connector 240 is electrically connected to the negative electrode of the electrical component. In this way, electrical conduction of the circuit between the battery 1100 and the electrical component is achieved, so that the battery 1100 can supply power to the electrical component. The circuit can be turned on and off through the main positive device 120 and the main negative device 220, thereby achieving the distribution of electrical energy. Among them, it should be noted that, in the case of multiple electrical components, the number of second positive connectors 140 and second negative connectors 240 is multiple, and the multiple electrical components are connected one-to-one with the corresponding second positive connectors 140 and second negative connectors 240, and then the main positive device 120 and the main negative device 220 control the on and off of the circuit to supply power to different electrical components, thereby realizing the distribution and management of electric energy. The specific circuit connection can be found in the circuit schematic diagram of the PDU, which will not be repeated here.

[0136] When the power distribution device 10 is used to control the on and off of the battery 1100, the battery body 50 may refer to one of the above-mentioned battery cells 51. At this time, the positive electrode of the battery body 50 may be the positive terminal of the battery cell 51, and the negative electrode of the battery body 50 may refer to the negative terminal of the battery cell 51; the battery body 50 may also refer to a combination component formed by electrically connecting the above-mentioned multiple battery cells 51 in series, parallel or mixed through a busbar component. At this time, the positive electrode of the battery body 50 may refer to the positive electrode of the busbar component, and the negative electrode of the battery body 50 may refer to the negative electrode of the busbar component; the electrical components may refer to electrical components that use the battery 1100 as a power source, such as: air conditioners, motors 1300 and other components. When in use, the first positive connector 130 is electrically connected to the positive electrode of the battery body 50, the second positive connector 140 is electrically connected to the positive electrode of the electrical component, the first negative connector 230 is electrically connected to the negative electrode of the battery body 50, and the second negative connector 240 is electrically connected to the negative electrode of the electrical component. In this way, electrical conduction of the circuit between the battery body 50 and the electrical component is achieved, so that the battery body 50 can supply power to the electrical component. The circuit can be turned on and off through the main positive device 120 and the main negative device 220, thereby realizing the discharge control of the battery body 50.

[0137] The first mounting base 110 and the second mounting base 210 are split structures, and the first mounting base 110 and the second mounting base 210 can be separately arranged; the first mounting base 110 and the second mounting base 210 can be two independent parts, wherein there is no connection between the first mounting base 110 and the second mounting base 210; or, the first mounting base 110 and the second mounting base 210 are detachably connected, so that the first mounting base 110 and the second mounting base 210 can be disassembled into two separate parts; the detachable connection method can be but is not limited to screw connection, snap connection, and plug-in connection.

[0138] The power distribution device 10 of the embodiment of the present application includes a main positive module 100 and a main negative module 200, and the first mounting base 110 of the main positive module 100 and the second mounting base 210 of the main negative module 200 are split structures, that is, the main positive module 100 and the main negative module 200 can be two independent modules, so that during installation, the main positive module 100 and the main negative module 200 can be installed in two different positions, so that the original large installation space required can be broken up into two small installation spaces, thereby reducing the impact on the installation of other components, reducing space redundancy, and improving the structural compactness of the battery 1100 or the electrical equipment, which is also beneficial to improving the performance of the battery 1100 or the electrical equipment and reducing the production cost; in addition, during installation, the main positive module 100 and the main negative module 200 of the power distribution device 10 are two independent modules, so that the main positive module 100 and the main negative module 200 can be flexibly installed in the battery 1100 and the electrical equipment, which is also beneficial to reduce the difficulty of component arrangement in the battery 1100 and the electrical equipment.

[0139] In another embodiment of the present application, Figure 5 and Figure 6 As shown, the main positive module 100 also includes a third positive connector 150, which is electrically connected to the main positive device 120; the main negative module 200 also includes a third negative connector 250, which is electrically connected to the main positive device 120; the power distribution device 10 also includes a charging module 300, which includes a third mounting base 310, a positive charging device 320, a negative charging device 330, a first charging positive connector 341 and a first charging negative connector 351, and the positive charging Device 320, negative charging device 330, first charging positive connector 341 and first charging negative connector 351 are arranged on the third mounting base 310, the first charging positive connector 341 is used to electrically connect to the positive pole of the charging device, and the first charging negative connector 351 is used to electrically connect to the negative pole of the charging device; the positive charging device 320 is electrically connected to the third positive connector 150 and the first charging positive connector 341, and the negative charging device 330 is electrically connected to the third negative connector 250 and the first charging negative connector 351.

[0140] The third positive connector 150 may refer to a conductive component electrically connected between the positive charging device 320 and the main positive device 120, and the third positive connector 150 is connected in parallel with the second positive connector 140; the third negative connector 250 may refer to a conductive component electrically connected between the negative charging device 330 and the main negative device 220, and the third negative connector 250 is connected in parallel with the second negative connector 240; the structures of the third positive connector 150 and the third negative connector 250 may be the same or different; the materials of the third positive connector 150 and the third negative connector 250 may be the same or different. Optionally, the third positive connector 150 may refer to a connection terminal provided on the first mounting base 110; the third negative connector 250 may refer to a connection terminal provided on the second mounting base 210.

[0141] The charging module 300 may refer to a collection of electrical components in a power distribution module for controlling the charging of the battery 1100 .

[0142] The charging module 300 includes a third mounting base 310, a positive charging device 320, a negative charging device 330, a first charging positive connector 341 and a first charging negative connector 351; the third mounting base 310 is usually made of an insulating material, such as plastic, rubber, etc. The third mounting base 310 has insulation, which can reduce the short circuit risk of the charging module 300, and can also provide insulation protection for the positive charging device 320, the negative charging device 330, the first charging positive connector 341 and the first charging negative connector 351. The third mounting base 310 can be in a plate-shaped or block-shaped structure, and the positive charging device 320 is generally made of an insulating material, such as plastic, rubber, etc. The third mounting base 310 has insulation, which can reduce the short circuit risk of the charging module 300, and can also provide insulation protection for the positive charging device 320, the negative charging device 330, the first charging positive connector 341 and the first charging negative connector 351. 0. The negative charging device 330, the first charging positive connector 341 and the first charging negative connector 351 are installed on the third mounting base 310; the third mounting base 310 can also be a shell-shaped structure, and the positive charging device 320 and the negative charging device 330 are installed in the space enclosed by the third mounting base 310. The third mounting base 310 can insulate the positive charging device 320 and the negative charging device 330 from the external environment to play a role in insulation protection. At least part of the first charging positive connector 341 and at least part of the first charging negative connector 351 are exposed outside the third mounting base 310 to facilitate electrical connection.

[0143] The first charging positive connector 341 may refer to a conductive component in the charging module 300 for electrically connecting to the positive electrode of the charging device, and the first charging negative connector 351 may refer to a conductive component in the charging module 300 for electrically connecting to the negative electrode of the charging device; wherein the charging device may refer to a device for charging the battery body 50, such as a charging pile, a charger, etc.; the positive electrode of the charging device may refer to a component for electrically connecting to the positive electrode of the battery body 50, and the negative electrode of the charging device may refer to a component for electrically connecting to the negative electrode of the battery body 50. The structures of the first charging positive connector 341 and the first charging negative connector 351 may be the same or different; the materials of the first positive connector 130 and the second positive connector 140 may be the same or different.

[0144] The positive charging device 320 may refer to an electrical device in the charging module 300 that is electrically connected between the third positive connector 150 and the first charging positive connector 341, and the positive charging device 320 can control the on / off of the circuit between the third positive connector 150 and the first charging positive connector 341; wherein the positive charging device 320 may include but is not limited to relays, fuses, resistors, etc.

[0145] The negative charging device 330 may refer to an electrical device in the charging module 300 that is electrically connected between the third negative connector 250 and the first charging negative connector 351, and the negative charging device 330 can control the on / off of the circuit between the third negative connector 250 and the first charging negative connector 351; wherein the negative charging device 330 may include but is not limited to relays, fuses, resistors, etc.

[0146] In the power distribution device 10 of the embodiment of the present application, when charging, the positive pole of the charging device is electrically connected to the first charging positive connector 341, and the negative pole of the charging device is electrically connected to the first charging negative connector 351, so as to form a charging circuit to charge the battery body 50; in addition, by controlling the positive charging device 320 and the negative charging device 330, the charging circuit can be turned on and off, thereby controlling the charging of the battery body 50.

[0147] In the actual manufacturing process, the power distribution device 10 is manufactured by one manufacturer, and different manufacturers use different charging technologies; for the convenience of production, the charging device, the main positive device 120 and the main negative device 220 are usually integrated together, and it is also necessary to design the charging device, the main positive device 120 and the main negative device 220 as a whole according to different charging technologies, resulting in high manufacturing and design costs of the power distribution device 10.

[0148] In another embodiment of the present application, the third mounting base 310 and the first mounting base 110 are an integrated structure.

[0149] It is understandable that the third mounting base 310 and the first mounting base 110 are manufactured by an integrated molding process, wherein the integrated molding process may be but is not limited to an integrated molding process such as extrusion, injection molding, and die casting.

[0150] In the power distribution device 10 of the embodiment of the present application, the charging module 300 is integrated in the main positive module 100 to form an integral module, so that the entire power distribution device 10 is divided into two modules, namely the main negative module 200, and the main positive module 100 and the charging module 300 form an integral module, which can also break up the original large installation space into two small installation spaces, thereby reducing the impact on the installation of other components, reducing space redundancy, and improving the structural compactness of the battery 1100 or the electrical equipment, which is also beneficial to improving the performance of the battery 1100 or the electrical equipment and reducing the production cost; and, during installation, the two modules can be flexibly installed in the battery 1100 and the electrical equipment, which is also beneficial to reducing the difficulty of component arrangement in the battery 1100 and the electrical equipment; in addition, after the charging module 300 is integrated into the main positive module 100, the main negative module 200 can be universal, and the main positive module 100 can be changed accordingly, which can greatly reduce the production cost and production difficulty of the power distribution device 10; the two modules can also be subcontracted to two manufacturers for production to improve production efficiency.

[0151] In another embodiment of the present application, the third mounting base 310 and the second mounting base 210 are an integrated structure.

[0152] It is understandable that the third mounting base 310 and the second mounting base 210 are manufactured by an integrated molding process, wherein the integrated molding process may be but is not limited to extrusion, injection molding, die casting and other integrated molding processes.

[0153] In the power distribution device 10 of the embodiment of the present application, the charging module 300 is integrated in the main negative module 200 to form an integral module, so that the entire power distribution device 10 is divided into two modules, namely the main positive module 100, and the main negative module 200 and the charging module 300 form an integral module, which can also break up the original large installation space into two small installation spaces, thereby reducing the impact on the installation of other components, reducing space redundancy, and improving the structural compactness of the battery 1100 or the electrical equipment, which is also beneficial to improving the performance of the battery 1100 or the electrical equipment and reducing the production cost; and, during installation, the two modules can be flexibly installed in the battery 1100 and the electrical equipment, which is also beneficial to reducing the difficulty of component arrangement in the battery 1100 and the electrical equipment; in addition, after the charging module 300 is integrated into the main negative module 200, the main positive module 100 can be universal, and the main negative module 200 can be changed accordingly, which can greatly reduce the production cost and production difficulty of the power distribution device 10; the two modules can also be subcontracted to two manufacturers for production to improve production efficiency.

[0154] In another embodiment of the present application, Figure 5 and Figure 6 As shown, the third mounting base 310, the first mounting base 110 and the second mounting base 210 are split structures.

[0155] The first mounting base 110, the second mounting base 210 and the third mounting base 310 can be arranged separately; specifically, the first mounting base 110, the second mounting base 210 and the third mounting base 310 can be three independent parts, and the first mounting base 110, the second mounting base 210 and the third mounting base 310 are not directly connected to each other; alternatively, the first mounting base 110, the second mounting base 210 and the third mounting base 310 can also be connected in a detachable manner, and the first mounting base 110, the second mounting base 210 and the third mounting base 310 can be disassembled into three separate parts, and the first mounting base 110, the second mounting base 210 and the third mounting base 310 can be connected in a detachable manner such as but not limited to screwing, snapping, plugging, etc.

[0156] In the power distribution device 10 of the embodiment of the present application, the main positive module 100, the main negative module 200 and the charging module 300 can be three independent modules. In this way, during installation, the main positive module 100, the main negative module 200 and the charging module 300 can be installed in three different positions, so that the original large installation space required can be broken up into three small installation spaces, which can reduce the impact on the installation of other components, reduce space redundancy, improve the structural compactness of the battery 1100 or the electrical equipment, and also help to improve the performance of the battery 1100 or the electrical equipment and reduce the production cost; and, during installation, the main positive module 100, the main negative module 200 and the charging module 300 of the power distribution device 10 are three independent modules, so that the main positive module 100, the main negative module 200 and the charging module 300 can be flexibly installed in the battery 1100 and the electrical equipment, which is also conducive to reducing the difficulty of component arrangement in the battery 1100 and the electrical equipment. In addition, the main positive module 100 and the main negative module 200 can be used interchangeably, and the charging module 300 is designed accordingly, which can greatly reduce the production cost and difficulty of the power distribution device 10; the three modules can also be subcontracted to three manufacturers for production to improve production efficiency.

[0157] In one embodiment, in combination Figures 5 to 7 As shown, the charging module 300 also includes a second charging positive connector 342 and a second charging negative connector 352. The second charging positive connector 342 and the second charging negative connector 352 are installed outside the third mounting base 310. The second charging positive connector 342 is electrically connected to the third positive connector 150, and the second charging negative connector 352 is electrically connected to the third negative connector 250 to facilitate the electrical connection between the main positive module 100, the main negative module 200 and the charging module 300.

[0158] In another embodiment of the present application, Figures 5 to 7 As shown, the positive charging device 320 includes a charging positive relay 321, and the negative charging device 330 includes a charging negative relay 331. The charging positive relay 321 is electrically connected to the first charging positive connector 341 and the third positive connector 150; the charging negative relay 331 is electrically connected to the first charging negative connector 351 and the third negative connector 250.

[0159] The charging positive relay 321 may refer to a relay electrically connected between the first charging positive connector 341 and the third positive connector 150, wherein the relay may refer to an electrical appliance that turns on or off a circuit according to a change in an input quantity (e.g., a physical quantity such as voltage, current, temperature, speed, or time); optionally, the relay includes components such as an electromagnet, a coil, and a contact. When the input quantity of the input coil reaches a specified value, the electromagnet moves under the magnetic force of the coil, and the movement of the electromagnet drives the movement of the contact, thereby changing the on / off state of the controlled circuit. The charging positive relay 321 can control the on / off of the circuit between the first charging positive connector 341 and the third positive connector 150, so as to control the on / off of the circuit between the positive electrode of the battery body 50 and the positive electrode of the charging device, thereby controlling the charging of the battery body 50.

[0160] The charging negative relay 331 may refer to a relay electrically connected between the first charging negative connector 351 and the third negative connector 250; the charging positive relay 321 may control the on-off of the circuit between the first charging negative connector 351 and the third negative connector 250 to control the on-off of the circuit between the negative pole of the battery body 50 and the negative pole of the charging device, thereby controlling the charging of the battery body 50.

[0161] By adopting the technical solution of this embodiment, the charging positive relay 321 and the charging positive relay 321 are used to control the on and off of the circuit, and the structure of the charging module 300 is simple and easy to realize automatic control; in addition, while the charging positive relay 321 disconnects the circuit between the positive pole of the charging device and the positive pole of the battery body 50, the charging negative relay 331 can also disconnect the circuit between the negative pole of the charging device and the negative pole of the battery body 50. At this time, the battery body 50 is completely disconnected from the charging device to improve the reliability of charging the battery body 50.

[0162] In another embodiment of the present application, Figure 7As shown, the first charging positive connector 341 and the first charging negative connector 351 are integrated to form a first connector 380; the control interface of the charging positive relay 321, the control interface of the charging negative relay 331 and the interlocking sampling interface of the first connector 380 are integrated to form a first integrated interface 360, and the first integrated interface 360 ​​is arranged on the third mounting base 310 and exposed on the third mounting base 310.

[0163] The first charging positive connector 341 and the first charging negative connector 351 are integrated to form an integral structure, which is a first connector 380. For example, the first connector 380 may refer to a high-voltage connector of the power distribution device 10 for electrically plugging a charging device, wherein the high-voltage connector may be electrically plugged with the charging device to charge the battery body 50; wherein, the "pressure" in "high voltage" herein may refer to voltage, and "high voltage" may refer to a voltage greater than or equal to 60V.

[0164] The control interface of the charging positive relay 321 may refer to a connection interface in the charging positive relay 321 for inputting input quantities to control on and off; for example, the control interface of the charging positive relay 321 may refer to a connection interface led out from the coil of the charging positive relay 321, and the input quantity is input from the connection interface to control the on and off of the charging positive relay 321.

[0165] The control interface of the charging negative relay 331 may refer to a connection interface in the charging negative relay 331 for inputting input quantities to control the on and off state; for example, the control interface of the charging negative relay 331 may refer to a connection interface led out from the coil of the charging negative relay 331, and an input quantity is input from the connection interface to control the on and off state of the charging negative relay 331.

[0166] The interlock sampling interface of the first connector 380 may refer to a connection port in the first connector 380 for detecting whether the first connector 380 and the charging device are connected in place; for example, the high-voltage connector has a plug-in port, and the charging device has a plug-in component. After the first connector 380 and the charging device are plugged in, the plug-in port and the plug-in component are plugged in, and the interlock circuit 381 connected to the plug-in port is in a connected state; and when the first connector 380 and the charging device are not plugged in in place, the interlock circuit 381 is in a disconnected state; the interlock sampling interface is connected to the interlock circuit 381 to detect whether the interlock circuit 381 is in a connected state or a disconnected state, so as to detect whether the first connector 380 and the charging device are connected in place.

[0167] The first integrated interface 360 ​​may refer to an integrated interface formed by integrating the control interface of the positive charging relay 321, the control port of the negative charging relay 331, and the interlock sampling interface, such as a PIN interface. The first integrated interface 360 ​​is disposed on the third mounting base 310 and exposed to the third mounting base 310, which can facilitate electrical connection with its corresponding components.

[0168] By adopting the technical solution of this embodiment, the first charging positive connector 341 and the first charging negative connector 351 are integrated to form the first connector 380, which is convenient for plugging the charging device into the charging module 300; in addition, the control interface of the charging positive relay 321, the control interface of the charging negative relay 331 and the interlocking sampling interface of the first connector 380 can be integrated to form the first integrated interface 360, which can facilitate the assembly and electrical connection of components. In addition, the first integrated interface 360 ​​adopts an integrated integral structure, which is also easy to achieve standardization of the external interface of the charging module 300, which is beneficial to reducing the production difficulty and production cost of the charging module 300.

[0169] In one embodiment, in combination Figure 7 and Figure 8 As shown, the shell of the charging positive relay 321 and the shell of the charging negative relay 331 are an integrated shell structure 370, which can improve the structural compactness of the charging module 300; the charging positive relay 321 and the charging negative relay 331 are both electrically connected to the first integrated interface 360 ​​through the first copper bar 391, and the first copper bar 391 and the integrated shell structure 370 are integrally injection molded, and the integrated shell structure 370 is coated on the outside of the first copper bar 391, thereby reducing the exposure of the first copper bar 391 and improving the reliability of use.

[0170] In one embodiment, in combination Figure 7 and Figure 8 As shown, the third mounting base 310 is a plate structure, and a second copper bar 392 is provided in the first mounting base 110, and the second copper bar 392 is buried in the first mounting base 110. Optionally, the second copper bar 392 and the third mounting base 310 are integrally injection molded; the third mounting base 310 is coated on the outside of the second copper bar 392, reducing the exposure of the second copper bar 392, which is conducive to improving the reliability of use. One end of the second copper bar 392 is electrically connected to the first integrated interface 360, and the other end of the second copper bar 392 is plugged into the first connector 380 to achieve electrical connection between the first connector 380 and the first integrated interface 360.

[0171] In another embodiment of the present application, Figures 10-12As shown, the main positive module 100 also includes a third positive connector 150, which is electrically connected to the main positive device 120; the main positive module 100 also includes a positive charging device 320 and a first charging positive connector 341 for electrically connecting to the positive pole of the charging device, the positive charging device 320 is electrically connected to the third positive connector 150 and the first charging positive connector 341, and the positive charging device 320 and the first charging positive connector 341 are installed on the first mounting base 110.

[0172] By adopting the technical solution of this embodiment, the positive charging device 320 and the first charging positive connector 341 are installed on the first mounting base 110, so that the positive charging device 320 and the first charging positive connector 341 can be integrated into the main positive module 100, which is beneficial to improve the integration of the distribution device 10, facilitate the flexible installation of the distribution device 10, improve the structural compactness of the battery 1100 or the electrical equipment, and reduce the manufacturing cost of the battery 1100 or the electrical equipment.

[0173] In another embodiment of the present application, Figures 10-12 As shown, the first mounting base 110 includes a first mounting portion 111 and a second mounting portion 112, the main positive device 120, the first positive connector 130 and the second positive connector 140 are installed on the first mounting portion 111, and the positive charging device 320 and the first charging positive connector 341 are installed on the second mounting portion 112; wherein the first mounting portion 111 and the second mounting portion 112 are an integrated structure.

[0174] The first mounting portion 111 may refer to a portion of the first mounting base 110 for mounting the main positive device 120 , the first positive connector 130 , and the second positive connector 140 . The first mounting portion 111 may be a plate-like structure or a shell structure.

[0175] The second mounting portion 112 may refer to a portion of the first mounting base 110 for mounting the positive charging device 320 and the first positive charging connector 341 . The second mounting portion 112 may be a plate-shaped structure or a shell structure.

[0176] The first mounting portion 111 and the second mounting portion 112 are an integrated structure, which is made by an integrated molding process, and the integrated molding process may be but is not limited to extrusion, injection molding, die casting and other integrated processes; that is, the first mounting base 110 is an integrated component.

[0177] By adopting the technical solution of this embodiment, the main positive device 120, the first positive connector 130, the second positive connector 140, the positive charging device 320 and the first charging positive connector 341 are installed on the integrated first mounting base 110, so that the main positive device 120, the first positive connector 130, the second positive connector 140, the positive charging device 320 and the first charging positive connector 341 are integrated together to form a module, and the distribution device 10 has a high degree of integration, which is conducive to reducing the manufacturing cost.

[0178] In one embodiment, the first mounting base 110 is provided with a first cover 113 and a second cover 114, and the first cover 113 and the second cover 114 are respectively located on opposite sides of the first mounting base 110 to protect the main positive component 120; the second cover 114 is provided with a heat conductor 115 on the side facing away from the first mounting base 110, and the heat generated by the main positive component 120 can be quickly discharged through the heat conductor 115, thereby improving the heat dissipation effect of the main positive module 100.

[0179] In another embodiment of the present application, Fig.15 As shown, the first mounting portion 111 and the second mounting portion 112 are split structures.

[0180] The first mounting portion 111 and the second mounting portion 112 may be separately provided, and the first mounting portion 111 and the second mounting portion 112 may be two separate parts, and there may be no connection between the first mounting portion 111 and the second mounting portion 112; alternatively, the first mounting portion 111 and the second mounting portion 112 may be connected in a detachable manner, and the first mounting portion 111 and the second mounting portion 112 may be detachably formed into two independent parts, and the specific detachable connection manner may be but is not limited to screw connection, snap connection, and plug-in connection.

[0181] By adopting the technical solution of this embodiment, the main positive device 120, the first positive connector 130, the second positive connector 140 and the first mounting portion 111 form a module, and the positive charging device 320, the first charging positive connector 341 and the second mounting portion 112 form a module. In this way, the main positive module 100 can be divided into two small modules, so that the distribution device 10 can be more flexibly installed in the battery 1100 or the electrical equipment, reducing the impact on the installation of other components, reducing space redundancy, and improving the structural compactness of the battery 1100 or the electrical equipment, which is also beneficial to improving the performance of the battery 1100 or the electrical equipment and reducing the manufacturing cost.

[0182] In another embodiment of the present application, Fig.16 Figure b) and Fig.16 As shown in FIG. c), the positive charging device 320 includes a positive charging relay 321, and the positive charging relay 321 is electrically connected to the third positive connection member 150 and the first positive charging connection member 341.

[0183] By adopting the technical solution of this embodiment, the on-off of the charging positive relay 321 controls the on-off of the circuit between the positive pole of the battery body 50 and the positive pole of the charging device, thereby controlling the charging of the battery body 50; in addition, the on-off control of the circuit is simple by adopting the charging positive relay 321.

[0184] In another embodiment of the present application, Fig.16 Figure d) and Fig.16 As shown in Figure e), the positive charging device 320 also includes a charging fuse 322, the charging positive relay 321 is electrically connected to the third positive connector 150 and the first charging positive connector 341, and the charging fuse 322 is connected in series with the charging positive relay 321.

[0185] It can be understood that the charging fuse 322, the charging positive relay 321, the third positive connector 150 and the first charging positive connector 341 are connected in series; optionally, the charging fuse 322 can be connected in series between the third positive connector 150 and the charging positive relay 321, or can be connected in series between the charging positive relay 321 and the first charging positive connector 341.

[0186] The charging insurance 322 may refer to a fuse that serves as an overload protection in the charging module 300; alternatively, the fuse may refer to an electrical appliance that, when the current exceeds a specified value, generates heat to melt the fuse and disconnect the circuit, thereby improving the reliability of the safe operation of the circuit. The fuse may be, but is not limited to, a plug-in fuse, a spiral fuse, a closed fuse, a closed fuse, and a self-resetting fuse.

[0187] By adopting the technical solution of this embodiment, the charging fuse 322 can play an overload protection role, and the charging safety of the battery body 50 is good, which is beneficial to improving the reliability of the battery 1100 and the electrical equipment.

[0188] In another embodiment of the present application, Fig.16 As shown in figure a), the main positive device 120 includes a main positive relay 121, a pre-charging relay 122, a main positive fuse 123 and a pre-charging resistor 124. The first end of the main positive fuse 123 is electrically connected to the first positive connector 130, and the first end of the main positive relay 121, the first end of the pre-charging relay 122 and the second end of the main positive fuse 123 are connected in common; the first end of the pre-charging resistor 124 is electrically connected to the second end of the pre-charging relay 122, and the second end of the pre-charging resistor 124, the second end of the main positive relay 121 and the second positive connector 140 are connected in common.

[0189] The main positive fuse 123 may refer to a fuse in the main positive module 100 that serves as an overload protection, the first end of the main positive fuse 123 may refer to the end of the main positive fuse 123 that is electrically connected to the first positive connector 130, and the second end of the main positive fuse 123 may refer to the end of the main positive fuse 123 that is electrically connected to the main positive relay 121.

[0190] The main positive relay 121 may refer to a relay connected in series with the main positive fuse 123 and in parallel with the pre-charging resistor 124; optionally, the first end of the main positive relay 121 and the second end of the main positive relay 121 may respectively refer to two connecting terminals led out from the contacts in the main positive relay 121, one of which is electrically connected to the second end of the main positive fuse 123 and is the first end of the main positive relay 121, and the other is electrically connected to the second positive connector 140 and is the second end of the main positive relay 121.

[0191] The pre-charging resistor 124 may refer to a resistor in the main positive module 100 that serves to protect against electrical transient surges. The first end of the pre-charging resistor 124 may refer to the end of the pre-charging resistor 124 that is electrically connected to the pre-charging relay 122. The second end of the pre-charging resistor 124 may refer to the end of the pre-charging resistor 124 that is electrically connected to the second positive connector 140.

[0192] The pre-charging relay 122 may refer to a relay in the main positive module 100 that is connected in series with the pre-charging resistor 124 and in parallel with the main positive relay 121; optionally, the first end of the pre-charging relay 122 and the second end of the pre-charging relay 122 may respectively refer to two connecting terminals led out from the contacts in the pre-charging relay 122, one of which is electrically connected to the second end of the main positive fuse 123 and is the first end of the pre-charging relay 122, and the other is electrically connected to the pre-charging resistor 124 and is the second end of the pre-charging relay 122.

[0193] The first end of the main positive fuse 123 is electrically connected to the first positive connector 130, and the first end of the main positive relay 121, the first end of the pre-charge relay 122 and the second end of the main positive fuse 123 are connected in common; the first end of the pre-charge resistor 124 is electrically connected to the second end of the pre-charge relay 122, and the second end of the pre-charge resistor 124, the second end of the main positive relay 121 and the second positive connector 140 are connected in common, so that the main positive fuse 123 and the main positive relay 121 are connected in series, the pre-charge resistor 124 and the pre-charge relay 122 are connected in series, and the main positive relay 121 and the pre-charge relay 122 are connected in parallel, thereby forming the basic circuit of the main positive module 100; wherein the term "connected in common" may refer to the components being electrically connected together.

[0194] In actual use, capacitors are usually provided in electrical components (for example, capacitors in motor controllers). If the battery 1100 is powered directly through the main positive relay 121, the voltage of the battery 1100 is relatively large and the voltage of the capacitor is at zero. At this time, the instantaneous current in the circuit can reach tens of thousands of amperes, which can easily damage the main positive relay 121. By providing a pre-charge relay 122 and a pre-charge resistor 124, the main positive relay 121 can be disconnected and the pre-charge relay 122 can be connected before power is turned on. At this time, the pre-charge relay 122 and the pre-charge resistor 124 are connected to the circuit. Since the pre-charge resistor 124 has a certain resistance, the instantaneous current in the circuit can be reduced, and the risk of the main positive relay 121 being damaged by breakdown can be reduced. After the capacitor is charged to a certain extent, the main negative relay 223 is disconnected, the main positive relay 121 is connected, and the battery 1100 is powered normally through the main positive relay 121. At this time, there will be no large current shock in the circuit, which is beneficial to improving the safety of the battery 1100.

[0195] In another embodiment of the present application, Fig.16 Figure b) and Fig.16 As shown in Figure c), the main positive module 100 also includes a third positive connector 150 for electrically connecting to the positive pole of the charging device, and the third positive connector 150, the first end of the main positive relay 121 and the second end of the main positive fuse 123 are connected together; or, the third positive connector 150, the second end of the main positive relay 121, the second positive connector 140 and the second end of the pre-charging resistor 124 are connected together.

[0196] The third positive connector 150 , the first end of the main positive relay 121 and the second end of the main positive fuse 123 are connected together, so that the third positive connector 150 is connected in parallel with the main positive relay 121 , that is, the positive pole of the charging device is connected in parallel with the main positive relay 121 .

[0197] The third positive connector 150 , the second end of the main positive relay 121 , the second positive connector 140 and the second end of the pre-charging resistor 124 are connected together, so that the third positive connector 150 is connected in series with the main positive relay 121 , that is, the positive electrode of the charging device is connected in series with the main positive relay 121 .

[0198] By adopting the technical solution of this embodiment, the third positive connector 150 can be connected in series or in parallel with the main positive relay 121 through different connection positions of the third positive connector 150 and the main positive relay 121, thereby obtaining different circuit topologies to meet different circuit topology requirements.

[0199] In another embodiment of the present application, Fig.17 and Fig.18As shown, the main positive module 100 also includes a first connector 160, which is electrically connected to the third positive connector 150, and the first connector 160 is movably connected to the first mounting base 110, so that the first connector 160 has a first connection position and a second connection position; when the first connector 160 is in the first connection position, the first connector 160, the first end of the main positive relay 121 and the second end of the main positive fuse 123 are connected in common; when the first connector 160 is in the second connection position, the first connector 160, the second end of the main positive relay 121, the second positive connector 140 and the second end of the pre-charging resistor 124 are connected in common.

[0200] The first connector 160 may be a conductive component electrically connected to the third positive connector 150. The first connector 160 and the third positive connector 150 may be an integrated component or two independent components; the first connector 160 may be, but is not limited to, a copper bar or a bar sheet.

[0201] The first connecting member 160 is movably mounted on the first mounting base 110, and the first connecting member 160 can move relative to the first mounting base 110. During the movement of the first connecting member 160 relative to the first mounting base 110, the position of the first connecting member 160 relative to the first mounting base 110 also changes accordingly; when the first connecting member 160 moves to be connected with the first end of the main positive relay 121 and the second end of the main positive fuse 123, the position of the first connecting member 160 is the first connection position; when the first connecting member 160 moves to be connected with the first end of the main positive relay 121 and the second end of the main positive fuse 123, the position of the first connecting member 160 is the second connection position. Optionally, the first connecting member 160 can be rotatably connected to the first mounting base 110 via a rotating shaft.

[0202] During the design process of the power distribution device 10 , the structure of the power distribution device 10 is usually designed separately according to different circuit topologies, which greatly increases the design period and design cost of the power distribution device 10 .

[0203] By adopting the technical solution of this embodiment, the first connecting member 160 can be moved relative to the first mounting base 110 to realize the conversion of different circuit topologies, so that the distribution device 10 can meet the use requirements of various circuit topologies, which is beneficial to improving the versatility of the distribution device 10 and also beneficial to reducing the design cost and manufacturing cost of the distribution device 10.

[0204] In another embodiment of the present application, Fig.17 and Fig.18 As shown, the main positive device 120 further includes a charging fuse 322 , which is connected in series between the first connector 160 and the third positive connector 150 .

[0205] By adopting the technical solution of this embodiment, the charging fuse 322 can be integrated into the main positive module 100, which can improve the integration of the main positive module 100 and reduce the manufacturing cost.

[0206] In another embodiment of the present application, Fig.17 and Fig.18 As shown, at least two of the control interface of the main positive relay 121, the voltage sampling interface of the main positive relay 121 and the control interface of the pre-charging relay 122 are integrated to form a second integrated interface 181, and the second integrated interface 181 is installed on the first mounting base 110 and exposed to the first mounting base 110.

[0207] The control interface of the main positive relay 121 may refer to a connection interface in the main positive relay 121 for inputting input quantities to control on and off; for example, the control interface of the main positive relay 121 may refer to a connection interface led out from the coil of the main positive relay 121, and the input quantity is input from the connection interface to control the on and off of the main positive relay 121.

[0208] The voltage sampling interface of the main positive relay 121 may refer to a connection interface led out from the first end and the second end of the main positive relay 121; the voltage sampling interface of the main positive relay 121 is used to obtain the voltage difference between the first end and the second end of the main positive relay 121 to determine the on / off state of the main positive relay 121.

[0209] The control interface of the pre-filling relay 122 may refer to a connection interface in the pre-filling relay 122 for inputting input quantities to control on and off. For example, the control interface of the pre-filling relay 122 may refer to a connection interface led out from the coil of the pre-filling relay 122, and the input quantity is input from the connection interface to control the on and off of the pre-filling relay 122.

[0210] The second integrated interface 181 may refer to an integrated interface formed by integrating any two of the control interface of the main positive relay 121, the voltage sampling interface of the main positive relay 121, and the control interface of the pre-charge relay 122, or may refer to an integrated interface formed by integrating the control interface of the main positive relay 121, the voltage sampling interface of the main positive relay 121, and the control interface of the pre-charge relay 122; for example, a PIN interface. The second integrated interface 181 is installed on the first mounting base 110, and the second integrated interface 181 is exposed outside the first mounting base 110, so as to facilitate the plugging of the second integrated interface 181 with the corresponding components.

[0211] By adopting the technical solution of this embodiment, at least two of the control interface of the main positive relay 121, the voltage sampling interface of the main positive relay 121 and the control interface of the pre-charge relay 122 are integrated to form a second integrated interface 181, which can facilitate the assembly and electrical connection of components; in addition, the second integrated interface 181 adopts an integrated integral structure, which is also easy to achieve standardization of the external interface of the main positive module 100, which is beneficial to reducing the production difficulty and production cost of the main positive module 100.

[0212] In another embodiment of the present application, Fig.19 As shown, the main positive device 120 also includes a charging positive relay 321, and the charging positive relay 321 is arranged on the first mounting base 110. The main positive module 100 also includes a fourth positive connector 171, a fifth positive connector 172 and a sixth positive connector 173. The fourth positive connector 171 is electrically connected to the first end of the main positive relay 121, the fifth positive connector 172 is used to be electrically connected to the first end of the charging positive relay 321, and the sixth positive connector 173 is used to be electrically connected to the second end of the charging positive relay 321; wherein, at least a portion of the fourth positive connector 171, at least a portion of the second positive connector 140, at least a portion of the fifth positive connector 172 and at least a portion of the sixth positive connector 173 are exposed outside the first mounting base 110.

[0213] The fourth positive connection member 171 may refer to a conductive component electrically connected to the first end of the main positive relay 121 .

[0214] The fifth positive connector 172 may refer to a conductive member electrically connected to a first end of the charging positive relay 321 .

[0215] The sixth positive connector 173 may refer to a conductive component electrically connected to the second end of the charging positive relay 321 .

[0216] At least a portion of the fourth positive connector 171, at least a portion of the second positive connector 140, at least a portion of the fifth positive connector 172, and at least a portion of the sixth positive connector 173 are exposed outside the first mounting base 110. It can be understood that the fourth positive connector 171 can be partially exposed outside the first mounting base 110, and the other portion is located inside the first mounting base 110, or the fourth positive connector 171 is completely exposed outside the first mounting base 110; similarly, the second positive connector 140 can be partially exposed outside the first mounting base 110, and the other portion is located inside the first mounting base 110. The first mounting base 110 may be inside the second positive connector 140, or the second positive connector 140 may be completely exposed outside the first mounting base 110; similarly, the fifth positive connector 172 may be partially exposed outside the first mounting base 110 and the other part may be located inside the first mounting base 110, or the fifth positive connector 172 may be completely exposed outside the first mounting base 110; similarly, the sixth positive connector 173 may be partially exposed outside the first mounting base 110 and the other part may be located inside the first mounting base 110, or the sixth positive connector 173 may be completely exposed outside the first mounting base 110.

[0217] By adopting the technical solution of this embodiment, at least part of the fourth positive connector 171, at least part of the second positive connector 140, at least part of the fifth positive connector 172 and at least part of the sixth positive connector 173 are exposed outside the first mounting base 110, which can facilitate the electrical connection between the fourth positive connector 171, the second positive connector 140, the fifth positive connector 172 and the sixth positive connector 173; in addition, the fourth positive connector 171, the second positive connector 140, the fifth positive connector 172 and the sixth positive connector 173 can also be selectively electrically connected to realize the series or parallel connection of the charging positive relay 321 and the main positive relay 121, so that the main positive module 100 can flexibly change different circuit topologies, which is beneficial to improving the versatility and scope of use of the distribution device 10, and is also beneficial to reducing the design and manufacturing costs of the distribution device 10.

[0218] In another embodiment of the present application, Fig.19 As shown, the main positive module 100 also includes a first conductive member 176, a first end of the first conductive member 176 is electrically connected to a portion of the fifth positive connector 172 that is exposed outside the first mounting base 110; a second end of the first conductive member 176 is electrically connected to a portion of the fourth positive connector 171 that is exposed outside the first mounting base 110; or, a second end of the first conductive member 176 is electrically connected to a portion of the second positive connector 140 that is exposed outside the first mounting base 110.

[0219] The first conductive member 176 may refer to a component that is electrically connected to the fifth positive connector 172 and exposed outside the first mounting base 110 . The component is made of a conductive material, such as copper, aluminum, etc. The first conductive member 176 may be, but is not limited to, a wire, a copper bar, or a bar sheet.

[0220] The first end of the first conductive member 176 is electrically connected to the portion of the fifth positive connector 172 exposed outside the first mounting base 110, and the second end of the first conductive member 176 is electrically connected to the portion of the fourth positive connector 171 exposed outside the first mounting base 110. The charging positive relay 321 and the main positive relay 121 can be connected in parallel to meet the circuit requirement of connecting the charging positive relay 321 and the main positive relay 121 in parallel.

[0221] The first end of the first conductive member 176 is electrically connected to the portion of the fifth positive connector 172 exposed outside the first mounting base 110, and the second end of the first conductive member 176 is electrically connected to the portion of the second positive connector 140 exposed outside the first mounting base 110, so that the charging positive relay 321 and the main positive relay 121 are connected in series to meet the circuit requirement of connecting the charging positive relay 321 and the main positive relay 121 in series.

[0222] In specific use, the sixth positive connector 173 can be electrically connected to the positive electrode of the charging device to achieve charging control of the battery body 50; the second positive connector 140 is connected to the positive electrode of the electrical component to achieve discharging control of the battery body 50.

[0223] By adopting the technical solution of this embodiment, two different circuit topologies can be realized by electrically connecting the second end of the conductive member to the fourth positive connector 171 or the second positive connector 140, thereby meeting different circuit topology requirements, which is beneficial to improving the versatility and scope of use of the distribution device 10, and is also beneficial to reducing the design and manufacturing costs of the distribution device 10.

[0224] In another embodiment of the present application, Fig.19 As shown, the main positive device 120 also includes a charging fuse 322, which is arranged on the first mounting base 110, and the main positive module 100 also includes a seventh positive connector 174 and an eighth positive connector 175, the seventh positive connector 174 is used to electrically connect to the first end of the charging fuse 322, and the eighth positive connector 175 is used to electrically connect to the second end of the charging fuse 322; wherein, at least a portion of the seventh positive connector 174 and at least a portion of the eighth positive connector 175 are exposed outside the first mounting base 110.

[0225] The seventh positive connector 174 may refer to a conductive component electrically connected to the first end of the charging fuse 322 , and the eighth positive connector 175 may refer to a conductive component electrically connected to the second end of the charging fuse 322 .

[0226] At least a portion of the seventh positive connector 174 and at least a portion of the eighth positive connector 175 are exposed from the first mounting base 110. It can be understood that the seventh positive connector 174 may refer to a portion exposed from the first mounting base 110 and another portion located within the first mounting base 110, or the seventh positive connector 174 may be completely exposed from the first mounting base 110; similarly, the eighth positive connector 175 may refer to a portion exposed from the first mounting base 110 and another portion located within the first mounting base 110, or the eighth positive connector 175 may be completely exposed from the first mounting base 110.

[0227] By adopting the technical solution of this embodiment, at least a portion of the seventh positive connector 174 and at least a portion of the eighth positive connector 175 are exposed from the first mounting base 110, which can be conveniently electrically connected to the fifth positive connector 172, the sixth positive connector 173, the fourth positive connector 171, and the second positive connector 140; and, the seventh positive connector 174, the eighth positive connector 175, the fifth positive connector 172, the sixth positive connector 173, the fourth positive connector 171, and the second positive connector 140 can also be selectively electrically connected, and the charging fuse 322 can be connected to the main positive circuit, or the charging fuse 322 can be disconnected from the main positive circuit, thereby realizing different circuit topologies; in addition, the connection sequence of the charging fuse 322 and the charging relay can be adjusted to meet different circuit topologies, so that the main positive module 100 can meet the use requirements of various circuit topologies, increase the versatility and scope of application of the distribution device 10, and reduce the manufacturing cost and design cost of the distribution device 10.

[0228] In another embodiment of the present application, Fig.19 As shown, the main positive module 100 also includes a second conductive member 177, a first end of the second conductive member 177 is electrically connected to the portion of the sixth positive connector 173 exposed outside the first mounting base 110, and a second end of the second conductive member 177 is electrically connected to the portion of the seventh positive connector 174 exposed outside the first mounting base 110.

[0229] The second conductive member 177 may refer to a component electrically connected between the charging fuse 322 and the charging relay, and the component is made of conductive materials, such as copper, aluminum, etc., to meet the conductivity requirements; optionally, the second conductive member 177 may be but is not limited to a wire, a copper bar, or a bar sheet.

[0230] In specific use, the eighth positive connector 175 can be electrically connected to the positive electrode of the charging device to achieve charging control of the battery body 50; the second positive connector 140 is connected to the positive electrode of the electrical component to achieve discharging control of the battery body 50.

[0231] By adopting the technical solution of this embodiment, the second conductive member 177 can connect the charging fuse 322 and the charging positive relay 321 in series, and the connection is simple and convenient.

[0232] In another embodiment of the present application, Fig.15 As shown, the control interface of the main positive relay 121, the control interface of the pre-charge relay 122 and the control interface of the charging positive relay 321 are integrated to form a third integrated interface 182, and the third integrated interface 182 is arranged on the first mounting base 110 and exposed outside the first mounting base 110.

[0233] The third integrated interface 182 may refer to an integrated interface formed by integrating the control interface of the main positive relay 121, the control interface of the pre-charge relay 122, and the control interface of the charging positive relay 321. The third integrated interface 182 may be, but is not limited to, a PIN interface. The third integrated interface 182 is installed on the first mounting base 110, and the third integrated interface 182 is exposed outside the first mounting base 110, so as to facilitate the third integrated interface 182 to be plugged in with the corresponding components.

[0234] By adopting the technical solution of this embodiment, combined with Fig.19 As shown, the control interface of the main positive relay 121, the control interface of the pre-charging relay 122 and the control interface of the charging positive relay 321 are integrated to form a third integrated interface 182, which can facilitate the assembly and electrical connection of components; in addition, the third integrated interface 182 adopts an integrated integral structure, which is also easy to achieve standardization of the external interface of the main positive module 100, which is beneficial to reducing the production difficulty and production cost of the main positive module 100.

[0235] In another embodiment of the present application, Fig.15 As shown, the voltage sampling interface of the main positive relay 121 and the voltage sampling interface of the charging positive relay 321 are integrated to form a fourth integrated interface 183 , and the fourth integrated interface 183 is disposed on the first mounting base 110 and exposed outside the first mounting base 110 .

[0236] The voltage sampling interface of the charging positive relay 321 may refer to a connection interface used to obtain the voltage difference between the first end and the second end of the charging positive relay 321, so as to determine the on / off state of the charging positive relay 321.

[0237] The fourth integrated interface 183 may refer to an integrated interface formed by integrating the voltage sampling interface of the main positive relay 121 and the voltage sampling interface of the charging positive relay 321. The fourth integrated interface 183 may be, but is not limited to, a PIN interface. The fourth integrated interface 183 is installed on the first mounting base 110 and exposed to the first mounting base 110, so as to facilitate the fourth integrated interface 183 to be plugged in with the corresponding components.

[0238] By adopting the technical solution of this embodiment, the voltage sampling interface of the main positive relay 121 and the voltage sampling interface of the charging positive relay 321 are integrated to form a fourth integrated interface 183, which can facilitate the assembly and electrical connection of components; in addition, the fourth integrated interface 183 adopts an integrated integral structure, which is also easy to achieve standardization of the external interface of the main positive module 100, which is beneficial to reducing the production difficulty and production cost of the main positive module 100.

[0239] In another embodiment of the present application, Fig.19 As shown, the control interface of the main positive relay 121, the control interface of the pre-charging relay 122 and the control interface of the charging positive relay 321 are integrated to form a third integrated interface 182, and the third integrated interface 182 is arranged on the first mounting base 110 and exposed outside the first mounting base 110; the voltage sampling interface of the main positive relay 121 and the voltage sampling interface of the charging positive relay 321 are integrated to form a fourth integrated interface 183, and the fourth integrated interface 183 is arranged on the first mounting base 110 and exposed outside the first mounting base 110.

[0240] By adopting the technical solution of this embodiment, the control interface of the main positive relay 121, the control interface of the main negative relay 223 and the control interface of the pre-charging relay 122 are usually low-voltage control modes; the voltage sampling interface of the main positive relay 121 and the voltage sampling interface of the charging positive relay 321 are high voltage, and in the power distribution device 10 of the embodiment of the present application, the high voltage and the low voltage correspond to the third integrated interface 182 and the fourth integrated interface 183 respectively, which can realize the separation of high and low voltages, which is beneficial to improve the reliability of the use of the main positive module 100.

[0241] In another embodiment of the present application, Fig.19 As shown, the main positive device 120 further includes a first current sensor 125 , and the first current sensor 125 is connected in series with the main positive fuse 123 .

[0242] The first current sensor 125 may refer to a current sensor connected in series with the main positive fuse 123 , wherein the current sensor may be, but is not limited to, a shunt, an electromagnetic current transformer, or an electronic current transformer.

[0243] The main positive fuse 123, the first current sensor 125 and the main positive relay 121 are connected in series, and the first current sensor 125 detects the current information flowing through the main positive fuse 123; wherein, the first current sensor 125 can be connected in series between the main positive fuse 123 and the main positive relay 121; it can also mean that the main positive fuse 123 is connected in series between the first current sensor 125 and the main positive relay 121. Of course, there can be other series connection methods, which are not listed here one by one.

[0244] By adopting the technical solution of this embodiment, the first current sensor 125 can obtain the current information flowing through the main positive fuse 123 to monitor the operating status of the main positive module 100, facilitate timely intervention when the main positive module 100 operates abnormally, and improve the reliability of the main positive module 100.

[0245] In one embodiment, the second communication interface 1251 of the first current sensor 125 is exposed outside the first mounting base 110 to facilitate electrical connection with corresponding components, thereby realizing signal transmission of the first current sensor 125 .

[0246] In another embodiment of the present application, Fig.11 or Fig.12 As shown, the first mounting base 110 is a main positive housing, and the main positive device 120 is located inside the main positive housing.

[0247] The main positive shell may refer to a shell structure covering the outside of the main positive device 120, that is, the first mounting base 110 adopts a shell structure; a receiving space is formed inside the main positive shell, and the main positive device 120 is located in the receiving space; the shape of the main positive shell can be various, for example: round, cylindrical, rectangular, etc. The main positive shell is made of insulating material to meet the insulation requirements. The insulating material can be but is not limited to plastic, rubber, etc.

[0248] By adopting the technical solution of this embodiment, the main positive shell can separate the main positive device 120 from the external environment, which can reduce the risk of damage and short circuit of the main positive device 120, and is conducive to improving the reliability of the main positive module 100.

[0249] In another embodiment of the present application, Fig.10 As shown, the main negative module 200 also includes a third negative connector 250, which is electrically connected to the main negative device 220; the main negative module 200 also includes a negative charging device 330 and a first charging negative connector 351 for electrically connecting to the negative pole of the charging device, the negative charging device 330 is electrically connected to the third negative connector 250 and the first charging negative connector 351, and the negative charging device 330 and the first charging negative connector 351 are installed on the second mounting base 210.

[0250] By adopting the technical solution of this embodiment, the negative charging device 330 and the first charging negative connector 351 are installed on the second mounting base 210, so that the negative charging device 330 and the first charging negative connector 351 can be integrated into the main negative module 200, which is beneficial to improve the integration of the distribution device 10, facilitate the flexible installation of the distribution device 10, improve the structural compactness of the battery 1100 or the electrical equipment, and reduce the manufacturing cost of the battery 1100 or the electrical equipment.

[0251] In another embodiment of the present application, Fig.10 , Fig.13 and Fig.14 As shown, the second mounting base 210 includes a third mounting portion 211 and a fourth mounting portion 212, the main negative device 220, the first negative connector 230 and the second negative connector 240 are installed on the third mounting portion 211, and the negative charging device 330 and the first charging negative connector 351 are installed on the fourth mounting portion 212; wherein the third mounting portion 211 and the fourth mounting portion 212 are an integrated structure.

[0252] The third mounting portion 211 may refer to a portion of the second mounting base 210 for mounting the main negative device 220 , the first negative connector 230 , and the second negative connector 240 . The third mounting portion 211 may be in a plate shape or a shell shape.

[0253] The fourth mounting portion 212 may refer to a portion of the second mounting base 210 for mounting the negative charging device 330 and the first charging negative connector 351 , and the fourth mounting portion 212 may be in a plate shape or a shell shape.

[0254] The third mounting portion 211 and the fourth mounting portion 212 are an integrated structure, and the third mounting portion 211 and the fourth mounting portion 212 are an integrated structure made by an integrated molding process, and the integrated molding process can be but is not limited to extrusion, injection molding, die casting and other integrated processes; that is, the second mounting base is an integrated component.

[0255] By adopting the technical solution of this embodiment, the main negative device 220, the first negative connector 230, the second negative connector 240, the negative charging device 330 and the first charging negative connector 351 are installed on the integrated second mounting base 210, so that the main negative device 220, the first negative connector 230, the second negative connector 240, the negative charging device 330 and the first charging negative connector 351 are integrated together to form a module, and the distribution device 10 has a high degree of integration, which is conducive to reducing the manufacturing cost.

[0256] In one embodiment, the second mounting base 210 is provided with a third cover 213 and a fourth cover 214 , and the third cover 213 and the fourth cover 214 are located at opposite sides of the second mounting base 210 to protect the main negative device 220 .

[0257] In another embodiment of the present application, Fig.15 As shown, the third mounting portion 211 and the fourth mounting portion 212 are split structures.

[0258] The third mounting portion 211 and the fourth mounting portion 212 can be separately provided, and the third mounting portion 211 and the fourth mounting portion 212 can be two separate parts, and there may be no connection between the third mounting portion 211 and the fourth mounting portion 212, or the third mounting portion 211 and the fourth mounting portion 212 can also be connected in a detachable connection manner, and the third mounting portion 211 and the fourth mounting portion 212 can be detachably formed into two independent parts, and the specific detachable connection manner can be but is not limited to screw connection, snap connection, and plug-in connection.

[0259] By adopting the technical solution of this embodiment, the main negative device 220, the first negative connector 230, the second negative connector 240 and the third mounting portion 211 form a module, and the negative charging device 330, the first charging negative connector 351 and the fourth mounting portion 212 form a module. In this way, the main negative module 200 can be divided into two small modules, so that the distribution device 10 can be more flexibly installed in the battery 1100 or the electrical equipment, reducing the impact on the installation of other components, reducing space redundancy, and improving the structural compactness of the battery 1100 or the electrical equipment, which is also beneficial to improving the performance of the battery 1100 or the electrical equipment and reducing the manufacturing cost.

[0260] In another embodiment of the present application, Fig.15 As shown, the negative charging device 330 includes a negative charging relay 331 , and the negative charging relay 331 is electrically connected to the third negative connection member 250 and the first negative charging connection member 351 .

[0261] By adopting the technical solution of this embodiment, the on-off control of the charging negative relay 331 controls the on-off of the circuit between the negative pole of the battery body 50 and the negative pole of the charging device, thereby controlling the charging of the battery body 50; in addition, the on-off control of the circuit is simple by adopting the charging negative relay 331.

[0262] In another embodiment of the present application, Fig. 20 As shown in figure a), the main negative device 220 includes a main negative fuse 221, a second current sensor 222 and a main negative relay 223. The first end of the main negative fuse 221 is electrically connected to the first negative connector 230, the second end of the main negative fuse 221 is electrically connected to the first end of the second current sensor 222, the second end of the second current sensor 222 is electrically connected to the first end of the main negative relay 223, and the second end of the main negative relay 223 is electrically connected to the second negative connector 240.

[0263] The main negative fuse 221 may refer to a fuse for overload protection in the main negative module 200. The first end of the main negative fuse 221 may refer to an end of the main negative fuse 221 electrically connected to the first negative connector 230. The second end of the main negative fuse 221 may refer to an end of the main negative fuse 221 electrically connected to the second current sensor 222.

[0264] The second current sensor 222 may refer to a component in the main negative module 200 used to measure the current information flowing through the main negative fuse 221; the first end of the second current sensor 222 may refer to the end of the second current sensor 222 electrically connected to the main negative fuse 221, and the second end of the second current sensor 222 may refer to the end of the second current sensor 222 electrically connected to the main negative relay 223.

[0265] The main negative relay 223 may refer to a relay in the main negative module 200 for controlling the on / off of the circuit between the first negative connector 230 and the second negative connector 240; optionally, the first end of the main negative relay 223 and the second end of the main negative relay 223 may respectively refer to two connection terminals extending from the contacts in the main negative relay 223, one of which is electrically connected to the second end of the second current sensor 222 and is the first end of the main negative relay 223, and the other is electrically connected to the second negative connector 240 and is the second end of the main negative relay 223.

[0266] The first end of the main negative fuse 221 is electrically connected to the first negative connector 230, the second end of the main negative fuse 221 is electrically connected to the first end of the second current sensor 222, the second end of the second current sensor 222 is electrically connected to the first end of the main negative relay 223, and the second end of the main negative relay 223 is electrically connected to the second negative connector 240, so that the main negative fuse 221, the second current sensor 222 and the main negative relay 223 are connected in series in sequence to form the basic circuit of the main positive module 100.

[0267] By adopting the technical solution of this embodiment, the main negative fuse 221 can perform overload protection on the main negative module 200, thereby improving the reliability of the battery 1100 and electrical equipment; the second current sensor 222 can monitor the current information of the main negative module 200 to monitor the operating status of the main negative module 200, thereby facilitating timely intervention when the main negative module 200 operates abnormally, thereby improving the reliability of the main negative module 200; the main negative relay 223 can open and close the circuit between the first negative connector 230 and the second negative connector 240, thereby realizing the charge and discharge control of the battery 1100.

[0268] In another embodiment of the present application, Fig. 20 Figure b) and Fig. 20As shown in Figure c), the main negative module 200 also includes a third negative connector 250 for electrically connecting to the negative pole of the charging device, and the third negative connector 250, the first end of the main negative relay 223 and the second end of the second current sensor 222 are connected in common; or, the third negative connector 250, the second end of the main negative relay 223 and the second negative connector 240 are connected in common.

[0269] The third negative connector 250 , the first end of the main negative relay 223 and the second end of the second current sensor 222 are connected together, so that the third negative connector 250 is connected in parallel with the main negative relay 223 , that is, the negative electrode of the charging device is connected in parallel with the main negative relay 223 .

[0270] The third negative connector 250 , the second end of the main negative relay 223 and the second negative connector 240 are connected together, so that the third negative connector 250 is connected in series with the main negative relay 223 , that is, the positive electrode of the charging device is connected in series with the main negative relay 223 .

[0271] By adopting the technical solution of this embodiment, the third negative connector 250 can be connected in series or in parallel with the main negative relay 223 through different connection positions of the third negative connector 250 and the main negative relay 223, thereby obtaining different circuit topologies to meet different circuit topology requirements.

[0272] In another embodiment of the present application, Fig.21 and Fig. 20 As shown, the main negative module 200 also includes a second connector 260, which is electrically connected to the third negative connector 250, and the second connector 260 is movably connected to the second mounting base 210, so that the second connector 260 has a third connection position and a fourth connection position; when the second connector 260 is in the third connection position, the second connector 260, the first end of the main negative relay 223 and the second end of the second current sensor 222 are connected in common; when the second connector 260 is in the fourth connection position, the second connector 260, the second end of the main negative relay 223 and the second negative connector 240 are connected in common.

[0273] The second connector 260 may refer to a conductive component electrically connected to the third negative connector 250. The second connector and the third negative connector 250 may be an integrated component or two independent components; the second connector 260 may be, but is not limited to, a copper bar or a bar sheet.

[0274] The second connecting member 260 is movably installed on the second mounting base 210, and the second connecting member 260 can move relative to the second mounting base 210. During the movement of the second connecting member 260 relative to the second mounting base 210, the position of the second connecting member 260 relative to the second mounting base 210 also changes accordingly; when the second connecting member 260 moves to be connected with the first end of the main negative relay 223 and the second end of the second current sensor 222, the position of the second connecting member 260 is the third connection position; when the second connecting member 260 moves to be connected with the second connecting member 260, the second end of the main negative relay 223 and the second negative connecting member 240, the position of the second connecting member 260 is the fourth connection position; optionally, the second connecting member 260 can be rotatably connected to the second mounting base 210 via a rotating shaft.

[0275] By adopting the technical solution of this embodiment, the second connecting member 260 can be moved relative to the second mounting base 210 to realize the conversion of different circuit topologies, so that the distribution device 10 can meet the use requirements of various circuit topologies, which is beneficial to improving the versatility of the distribution device 10 and also beneficial to reducing the design cost and manufacturing cost of the distribution device 10.

[0276] In another embodiment of the present application, Fig.21 and Fig. 22 As shown, at least two of the control interface of the main negative fuse 221, the first communication interface 2221 of the second current sensor 222, the control interface of the main negative relay 223 and the voltage sampling interface of the main negative relay 223 are integrated to form a fifth integrated interface 281, and the fifth integrated interface 281 is arranged on the second mounting base 210 and exposed to the second mounting base 210.

[0277] The control interface of the main negative fuse 221 may refer to a connection interface for providing an input quantity to control the on and off of the main negative fuse 221 .

[0278] The first communication interface 2221 of the second current sensor 222 may refer to a connection interface for the second current sensor 222 to output a current signal.

[0279] The control interface of the main negative relay 223 may refer to a connection interface in the main negative relay 223 for inputting input quantities to control on and off. For example, the control interface of the main negative relay 223 may refer to a connection interface led out from the coil of the main negative relay 223, and the input quantity is input from the connection interface to control the on and off of the main negative relay 223.

[0280] The voltage sampling interface of the main negative relay 223 may refer to a connection interface used to obtain the voltage difference between the first end and the second end of the main negative relay 223 , so as to determine the on / off state of the main negative relay 223 .

[0281] The fifth integrated interface 281 may refer to an integrated interface formed by integrating any two of the control interface of the main negative fuse 221, the first communication interface 2221 of the second current sensor 222, the control interface of the main negative relay 223, and the voltage sampling interface of the main negative relay 223, or may refer to an integrated interface formed by integrating any three of the control interface of the main negative fuse 221, the first communication interface 2221 of the second current sensor 222, the control interface of the main negative relay 223, and the voltage sampling interface of the main negative relay 223, or may refer to an integrated interface formed by integrating the control interface of the main negative fuse 221, the first communication interface 2221 of the second current sensor 222, the control interface of the main negative relay 223, and the voltage sampling interface of the main negative relay 223; for example: a PIN interface. The fifth integrated interface 281 is installed on the second mounting base 210, and the fifth integrated interface 281 is exposed outside the second mounting base 210 to facilitate the plugging of the fifth integrated interface 281 with the corresponding components.

[0282] By adopting the technical solution of this embodiment, at least two of the control interface of the main negative fuse 221, the first communication interface 2221 of the second current sensor 222, the control interface of the main negative relay 223 and the voltage sampling interface of the main negative relay 223 are integrated to form a fifth integrated interface 281, which can facilitate the assembly and electrical connection of components; in addition, the fifth integrated interface 281 adopts an integrated integral structure, which is also easy to achieve standardization of the external interface of the main negative module 200, which is beneficial to reducing the production difficulty and production cost of the main negative module 200.

[0283] In another embodiment of the present application, Fig.23 As shown, the main negative device 220 also includes a charging negative relay 331, which is arranged on the second mounting base 210, and the main negative module 200 also includes a fourth negative connector 271, a fifth negative connector 272 and a sixth negative connector 273, the fourth negative connector 271 is electrically connected to the first end of the main negative relay 223, the fifth negative connector 272 is used to be electrically connected to the first end of the charging negative relay 331, and the sixth negative connector 273 is used to be electrically connected to the second end of the charging negative relay 331; wherein, at least a portion of the fourth negative connector 271, at least a portion of the second negative connector 240, at least a portion of the fifth negative connector 272 and at least a portion of the sixth negative connector 273 are exposed from the second mounting base 210.

[0284] The fourth negative connector 271 may refer to a conductive component electrically connected to a first end of the main negative relay 223 .

[0285] The fifth negative connector 272 may refer to a conductive component electrically connected to a first end of the negative charging relay 331 .

[0286] The sixth negative connector 273 may refer to a conductive component electrically connected to the second end of the negative charging relay 331 .

[0287] At least a portion of the fourth negative connector 271, at least a portion of the second negative connector 240, at least a portion of the fifth negative connector 272, and at least a portion of the sixth negative connector 273 are exposed outside the second mounting base 210. It can be understood that the fourth negative connector 271 can be partially exposed outside the second mounting base 210, and the other portion is located inside the second mounting base 210, or the fourth negative connector 271 is completely exposed outside the second mounting base 210; similarly, the second negative connector 240 can be partially exposed outside the second mounting base 210, and the other portion is located inside the second mounting base 210. The second negative connector 240 is located inside the second mounting base 210, or the second negative connector 240 is completely exposed outside the second mounting base 210; similarly, the fifth negative connector 272 can be partially exposed outside the second mounting base 210, and the other part is located inside the second mounting base 210, or the fifth negative connector 272 is completely exposed outside the second mounting base 210; similarly, the sixth negative connector 273 can be partially exposed outside the second mounting base 210, and the other part is located inside the second mounting base 210, or the sixth negative connector 273 is completely exposed outside the second mounting base 210.

[0288] In specific use, the sixth negative connector 273 can be electrically connected to the negative electrode of the charging device to achieve charging control of the battery body 50; the second negative connector 240 is connected to the negative electrode of the electrical component to achieve discharging control of the battery body 50.

[0289] By adopting the technical solution of this embodiment, the fourth negative connector 271, the second negative connector 240, the fifth negative connector 272 and the sixth negative connector 273 are exposed from the second mounting base 210, which can facilitate the electrical connection between the fourth negative connector 271, the second negative connector 240, the fifth negative connector 272 and the sixth negative connector 273; in addition, the fourth negative connector 271, the second negative connector 240, the fifth negative connector 272 and the sixth negative connector 273 can also be selectively electrically connected, so that the charging negative relay 331 and the main negative relay 223 are connected in series or in parallel, thereby realizing different circuit topologies of the main negative module 200, so that the main negative module 200 can change different circuit topologies, which is beneficial to improving the versatility and scope of use of the distribution device 10, and is also beneficial to reducing the design and manufacturing costs of the distribution device 10.

[0290] In another embodiment of the present application, Fig.19 As shown, the main negative module 200 also includes a third conductive member 274, a first end of the third conductive member 274 is electrically connected to a portion of the fifth negative connector 272 that is exposed outside the second mounting base 210; a second end of the third conductive member 274 is electrically connected to a portion of the fourth negative connector 271 that is exposed outside the second mounting base 210; or, a second end of the third conductive member 274 is electrically connected to a portion of the second negative connector 240 that is exposed outside the second mounting base 210.

[0291] The third conductive member 274 may refer to a component electrically connected to the exposed second mounting base 210 of the fifth negative connector 272, and the component is made of a conductive material, such as copper, aluminum, etc. The third conductive member 274 may be but is not limited to a wire, a copper bar, or a bar sheet; wherein the first end of the third conductive member 274 is electrically connected to the portion of the fifth negative connector 272 exposed to the second mounting base 210, and the second end of the third conductive member 274 is electrically connected to the portion of the fourth negative connector 271 exposed to the second mounting base 210, and the charging negative relay 331 and the main negative relay 223 may be connected in parallel to meet the circuit requirement of the charging negative relay 331 and the main negative relay 223 being connected in parallel. The first end of the third conductive member 274 is electrically connected to the portion of the fifth negative connector 272 exposed outside the second mounting base 210, and the second end of the third conductive member 274 is electrically connected to the portion of the second negative connector 240 exposed outside the second mounting base 210, so that the charging negative relay 331 and the main negative relay 223 are connected in series to meet the circuit requirement of connecting the charging negative relay 331 and the main negative relay 223 in series.

[0292] By adopting the technical solution of this embodiment, two different circuit topologies of the main negative module 200 can be realized by electrically connecting the second end of the conductive member to the fourth negative connector 271 or the second negative connector 240, thereby meeting different circuit topology requirements, which is beneficial to improving the versatility and scope of use of the distribution device 10, and is also beneficial to reducing the design and manufacturing costs of the distribution device 10.

[0293] In another embodiment of the present application, Fig.19 As shown, the control interface of the main negative relay 223 , the control interface of the charging negative relay 331 and the control interface of the main negative fuse 221 are integrated to form a sixth integrated interface 282 , which is disposed on the second mounting base 210 and exposed outside the second mounting base 210 .

[0294] The sixth integrated interface 282 may refer to an integrated interface formed by integrating the control interface of the main negative relay 223, the control interface of the main negative fuse 221, and the control interface of the charging negative relay 331. The sixth integrated interface 282 may be, but is not limited to, a PIN interface. The sixth integrated interface 282 is installed on the second mounting base 210, and the sixth integrated interface 282 is exposed outside the second mounting base 210, so as to facilitate the sixth integrated interface 282 to be plugged in with the corresponding components.

[0295] By adopting the technical solution of this embodiment, the control interface of the main negative relay 223, the control interface of the main negative fuse 221 and the control interface of the charging negative relay 331 are integrated to form the sixth integrated interface 282, which can facilitate the assembly and electrical connection of components; in addition, the sixth integrated interface 282 adopts an integrated integral structure, which is also easy to achieve standardization of the external interface of the main negative module 200, which is beneficial to reducing the production difficulty and production cost of the main negative module 200.

[0296] In another embodiment of the present application, Fig.19 As shown, the voltage sampling interface of the main negative relay 223 and the voltage sampling interface of the charging negative relay 331 are integrated to form a seventh integrated interface 283 , and the seventh integrated interface 283 is disposed on the second mounting base 210 and exposed outside the second mounting base 210 .

[0297] The voltage sampling interface of the charging negative relay 331 may refer to a connection interface used to obtain the voltage difference between the first end and the second end of the charging negative relay 331. The voltage sampling interface of the charging negative relay 331 is used to obtain the voltage difference between the first end and the second end of the charging negative relay 331 to determine the on / off state of the charging negative relay 331.

[0298] The seventh integrated interface 283 may refer to an integrated interface formed by integrating the voltage sampling interface of the main negative relay 223 and the voltage sampling interface of the charging negative relay 331. The seventh integrated interface 283 may be, but is not limited to, a PIN interface. The seventh integrated interface 283 is installed on the second mounting base 210, and the seventh integrated interface 283 is exposed outside the second mounting base 210, so as to facilitate the seventh integrated interface 283 to be plugged in with the corresponding components.

[0299] By adopting the technical solution of this embodiment, the voltage sampling interface of the main negative relay 223 and the voltage sampling interface of the charging negative relay 331 are integrated to form the seventh integrated interface 283, which can facilitate the assembly and electrical connection of components; in addition, the seventh integrated interface 283 adopts an integrated integral structure, which is also easy to achieve standardization of the external interface of the main negative module 200, which is beneficial to reducing the production difficulty and production cost of the main negative module 200.

[0300] In another embodiment of the present application, Fig.23As shown, the control interface of the main negative relay 223, the control interface of the charging negative relay 331 and the control interface of the main negative fuse 221 are integrated to form a sixth integrated interface 282, and the sixth integrated interface 282 is arranged on the second mounting base 210 and exposed outside the second mounting base 210; the voltage sampling interface of the main negative relay 223 and the voltage sampling interface of the charging negative relay 331 are integrated to form a seventh integrated interface 283, and the seventh integrated interface 283 is arranged on the second mounting base 210 and exposed outside the second mounting base 210.

[0301] By adopting the technical solution of this embodiment, the control interface of the main negative relay 223, the control interface of the charging negative relay 331 and the control interface of the main negative fuse 221 are usually low-voltage control modes; the voltage sampling interface of the main negative relay 223 and the voltage sampling interface of the charging negative relay 331 are high voltage, and in the power distribution device 10 of the embodiment of the present application, the high voltage and the low voltage correspond to the sixth integrated interface 282 and the seventh integrated interface 283 respectively, which can realize the separation of high and low voltages, which is beneficial to improve the reliability of the use of the main negative module 200.

[0302] In another embodiment of the present application, Fig.13 and Fig.14 As shown, the second mounting base 210 is a main negative shell, and the main negative component 220 is mounted on the main negative shell.

[0303] The main negative shell may refer to a shell structure covering the outside of the main negative device 220, that is, the second mounting base 210 adopts a shell structure; a receiving space is formed inside the main negative shell, and the main negative device 220 is located in the receiving space; the shape of the main negative shell may be various, for example: circular, cylindrical, rectangular, etc. The main negative shell is made of insulating material to meet the insulation requirements, and the insulating material may be but is not limited to plastic, rubber, etc.

[0304] By adopting the technical solution of this embodiment, the main negative shell can separate the main negative device 220 from the external environment, which can reduce the risk of damage and short circuit of the main negative device 220, and is conducive to improving the reliability of the main negative module 200.

[0305] In another embodiment of the present application, Figure 2 As shown, a battery 1100 is provided, comprising a power distribution device 10 as described in the above embodiment.

[0306] In another embodiment of the present application, Figures 4 to 6As shown, the battery 1100 also includes a battery body 50, a battery management system 20 and a second connector 30, the positive pole of the battery body 50 is electrically connected to the first positive connector 130, the negative pole of the battery body 50 is electrically connected to the first negative connector 230, the positive pole of the second connector 30 is electrically connected to the second positive connector 140, the negative pole of the second connector 30 is electrically connected to the second negative connector 240, and the main positive device 120, the main negative device 220 and the second connector 30 are all electrically connected to the battery management system 20.

[0307] The battery management system 20 may refer to a component used for intelligent management and maintenance of the battery body 50; specifically, it may prevent the battery 1100 from overcharging and overdischarging, extend the service life of the battery 1100, monitor the status of the battery 1100, etc. Optionally, the battery management system 20 includes a power battery 1100 control unit (BCU, Battery Control Unit) and a sampling unit (BMU, Battery Monitor Unit), the BCU is mainly responsible for charge and discharge management, SOX estimation, fault protection and communication with the vehicle system, etc., and the BMU is mainly responsible for battery cell 51 voltage, temperature sampling and battery 1100 balancing, etc.

[0308] The second connector 30 may refer to a component used for electrical connection with an electrical component. The positive pole of the second connector 30 may refer to a portion of the second connector 30 that is electrically connected to the second positive connector 140. The negative pole of the second connector 30 may refer to a portion of the second connector 30 that is electrically connected to the second negative connector 240. The structures of the first connector 380 and the second connector 30 may be the same or different, and the specific structure may be selected according to actual needs.

[0309] By adopting the technical solution of this embodiment, the service life of the battery 1100 can be extended through the management of the battery management system 20. In addition, the electrical connection between the second connector 30 and the electrical components is simple to operate, which is conducive to improving the convenience of using the battery 1100.

[0310] The present application is described below in conjunction with some embodiments.

[0311] Embodiment 1

[0312] In this embodiment, combined with Figure 4 As shown, the battery 1100 includes a case 40, a battery body 50, a battery management system 20, a power distribution device 10 and a second connector 30; the battery body 50, the battery management system 20 and the power distribution device 10 are all installed in the case 40, the battery body 50 includes a plurality of battery cells 51 electrically connected to each other, the second connector 30 is installed in the case 40 and exposed outside the case 40, and the second connector 30 is used to electrically connect to electrical components.

[0313] In this embodiment, combined with Figure 4 As shown, the power distribution device 10 includes a main positive module 100 and a main negative module 200, the main positive module 100 includes a first mounting base 110, a main positive device 120, a first positive connector 130 and a second positive connector 140, the main positive device 120 is installed in the first mounting base 110, the first positive connector 130 and the second positive connector 140 are installed outside the first mounting base 110, the main positive device 120 is electrically connected to the first positive connector 130 and the second positive connector 140, the first positive connector 130 is electrically connected to the positive electrode of the battery body 50, and the second positive connector 140 is electrically connected to the positive electrode of the second connector 30; the main The negative module 200 includes a second mounting base 210, a main negative device 220, a first negative connector 230 and a second negative connector 240. The main negative device 220 is installed in the second mounting base 210; the first negative connector 230 and the second negative connector 240 are installed outside the second mounting base 210, the main negative device 220 is electrically connected to the first negative connector 230 and the second negative connector 240, the first negative connector 230 is electrically connected to the negative pole of the battery body 50, and the second negative connector 240 is electrically connected to the negative pole of the second connector 30; the first mounting base 110 and the second mounting base 210 are two independent shell structures.

[0314] In this embodiment, combined with Fig.16 As shown in the figure a), the main positive device 120 includes a main positive relay 121, a pre-charge relay 122, a main positive fuse 123 and a pre-charge resistor 124. The first end of the main positive fuse 123 is electrically connected to the first positive connector 130, and the first end of the main positive relay 121, the first end of the pre-charge relay 122 and the second end of the main positive fuse 123 are connected in common; the first end of the pre-charge resistor 124 is electrically connected to the second end of the pre-charge relay 122, and the second end of the pre-charge resistor 124, the second end of the main positive relay 121 and the second positive connector 140 are connected in common. The control interface of the main positive relay 121, the voltage sampling interface of the main positive relay 121 and the control interface of the pre-charge relay 122 are integrated to form a second integrated interface 181, and the second integrated interface 181 is provided on the first mounting base 110 and exposed to the first mounting base 110.

[0315] In this embodiment, combined with Fig. 20As shown in the figure a), the main negative device 220 includes a main negative fuse 221, a second current sensor 222 and a main negative relay 223. The first end of the main negative fuse 221 is electrically connected to the first negative connector 230, the second end of the main negative fuse 221 is electrically connected to the first end of the second current sensor 222, the second end of the second current sensor 222 is electrically connected to the first end of the main negative relay 223, and the second end of the main negative relay 223 is electrically connected to the second negative connector 240. The control interface of the main negative fuse 221, the first communication interface 2221 of the second current sensor 222, the voltage sampling interface of the main negative relay 223 and the control interface of the main negative relay 223 are integrated to form a fifth integrated interface 281, and the fifth integrated interface 281 is provided on the second mounting base 210 and exposed to the second mounting base 210.

[0316] The second integrated interface 181 and the fifth integrated interface 281 are both electrically connected to the battery management system 20 to monitor the operation of the power distribution device 10 .

[0317] Embodiment 2

[0318] The difference between this embodiment and the first embodiment is that: Figure 5 and Fig.18 As shown, the main positive module 100 also includes a third positive connector 150, and the main positive device 120 also includes a charging fuse 322 and a first connector 160. The first end of the first connector 160 is electrically connected to the first end of the charging fuse 322, and the second end of the charging fuse 322 is connected to the third positive connector 150. The first connector 160 is movably connected to the first mounting base 110, so that the first connector 160 has a first connection position and a second connection position; the first connector 160 is in the first connection position, and the second end of the first connector 160, the first end of the main positive relay 121 and the second end of the main positive fuse 123 are connected in common.

[0319] Please combine Fig. 22 As shown, the main negative module 200 also includes a third negative connector 250; the main positive device 120 also includes a second connector 260, the first end of the second connector 260 is electrically connected to the third negative connector 250, and the second connector 260 is movably connected to the second mounting base 210, so that the second connector 260 has a third connection position and a fourth connection position; the second connector 260 is in the third connection position, and the second end of the second connector 260, the first end of the main negative relay 223 and the second end of the second current sensor 222 are connected in common.

[0320] Please combine Figure 7As shown, the battery 1100 also includes a charging module 300, which is installed in the box 40. The charging module 300 includes a third mounting base 310, a positive charging device 320, a negative charging device 330, a first charging positive connector 341, a first charging negative connector 351, a second charging positive connector 342, and a second charging negative connector 352. The first charging positive connector 341 is installed on the third mounting base 310 and is used to be electrically connected to the positive electrode of the charging device. The first charging negative connector 351 is installed on the third mounting base 310 and is used to be electrically connected to the negative electrode of the charging device. The second charging positive connector 342 and the second charging negative connector 352 Installed on the third mounting base 310 and exposed to the outside of the third mounting base 310; the positive charging device 320 includes a charging positive relay 321, and the negative charging device 330 includes a charging negative relay 331, and the charging positive relay 321 and the charging negative relay 331 are installed in the third mounting base 310; the charging positive relay 321 is electrically connected to the first charging positive connector 341 and the second charging positive connector 342; the charging negative relay 331 is electrically connected to the first charging negative connector 351 and the second charging negative connector 352; the second charging positive connector 342 is electrically connected to the third positive connector 150, and the second charging negative connector 352 is electrically connected to the third negative connector 250. The first charging positive connector 341 and the first charging negative connector 351 are integrated to form a first connector 380; the control interface of the charging positive relay 321, the control interface of the charging negative relay 331 and the interlocking sampling interface of the first connector 380 are integrated to form a first integrated interface 360, and the first integrated interface 360 ​​is arranged on the third mounting base 310 and exposed to the third mounting base 310; the first integrated interface 360 ​​is electrically connected to the battery management system 20 to monitor the operation of the charging module 300 and improve the reliability of charging the battery 1100.

[0321] The first mounting base 110 , the second mounting base 210 and the third mounting base 310 are three independent shell structures, so that the power distribution device 10 can be divided into three parts for flexible installation in the battery 1100 to reduce the reliability of the battery 1100 .

[0322] Embodiment 3

[0323] The difference between this embodiment and the first embodiment is that: Figure 6 and Fig.17 As shown, the first connector 160 is in the second connection position, and the first connector 160, the second end of the main positive relay 121, the second positive connector 140 and the second end of the pre-charging resistor 124 are connected in common.

[0324] Combination Fig.21 As shown, the second connection member 260 is in the fourth connection position, and the second connection member 260, the second end of the main negative relay 223 and the second negative connection member 240 are connected in common.

[0325] Embodiment 4

[0326] The difference between this embodiment and the third embodiment or the second embodiment is that: Figure 8 and Fig. 9 As shown, the shell of the charging positive relay 321 and the shell of the charging negative relay 331 are an integrated shell structure 370, which can improve the structural compactness of the charging module 300; the charging positive relay 321 and the charging negative relay 331 are both electrically connected to the first integrated interface 360 ​​through the first copper bar 391, and the first copper bar 391 and the integrated shell structure 370 are integrally injection molded, and the integrated shell structure 370 is coated on the outside of the first copper bar 391, thereby reducing the exposure of the first copper bar 391 and improving the reliability of use.

[0327] In this embodiment, the third mounting base 310 is a plate structure, and the first mounting base 110 is provided with a second copper bar 392, and the second copper bar 392 is buried in the first mounting base 110. Optionally, the second copper bar 392 and the third mounting base 310 are integrally injection molded; the third mounting base 310 is coated on the outside of the second copper bar 392, reducing the exposure of the second copper bar 392, which is conducive to improving the reliability of use. One end of the second copper bar 392 is electrically connected to the first integrated interface 360, and the other end of the second copper bar 392 is plugged into the first connector 380 to achieve electrical connection between the first connector 380 and the first integrated interface 360.

[0328] Embodiment 5

[0329] The difference between this embodiment and the first embodiment is that: Fig.10 and Fig.16 As shown in Figure c), the main positive module 100 also includes a third positive connector 150, the main positive device 120 includes a main positive relay 121, a pre-charging relay 122, a main positive fuse 123, a pre-charging resistor 124 and a charging positive relay 321, the first mounting base 110 is provided with a first charging positive connector 341, the first end of the main positive fuse 123 is electrically connected to the first positive connector 130, the first end of the main positive relay 121, the first end of the pre-charging relay 122 and the second end of the main positive fuse 123 are connected in common; the first end of the pre-charging resistor 124 is electrically connected to the second end of the pre-charging relay 122, the second end of the pre-charging resistor 124, the second end of the main positive relay 121, the first end of the third positive connector 150 and the second positive connector 140 are connected in common, the second end of the third positive connector 150 is electrically connected to the first end of the charging positive relay 321, and the second end of the charging positive relay 321 is electrically connected to the first charging positive connector 341.

[0330] In this embodiment, please combine Fig. 20As shown in Figure c), the main negative module 200 also includes a third negative connector 250, the main negative device 220 includes a main negative fuse 221, a second current sensor 222, a main negative relay 223 and a charging negative relay 331, and the second mounting base 210 is provided with a first charging negative connector 351. The first end of the main negative fuse 221 is electrically connected to the first negative connector 230, the second end of the main negative fuse 221 is electrically connected to the first end of the second current sensor 222, the second end of the second current sensor 222, the first end of the main negative relay 223 and the first end of the third negative connector 250 are connected in common, the second end of the third negative connector 250 is electrically connected to the first end of the charging negative relay 331, the second end of the main negative relay 223 is electrically connected to the second negative connector 240, and the second end of the charging negative relay 331 is electrically connected to the first charging negative connector 351.

[0331] Embodiment 6

[0332] The difference between this embodiment and the fifth embodiment is that: Fig.11 and Fig.12 As shown, the first mounting base 110 includes a first mounting part 111 and a second mounting part 112, the main positive relay 121, the pre-charging relay 122, the main positive fuse 123 and the pre-charging resistor 124 are installed in the first mounting part 111, and the charging positive relay 321 is installed in the second mounting part 112. The first mounting part 111 and the second mounting part 112 are an integrated structure.

[0333] In this embodiment, the main positive device 120 also includes a first current sensor 125, which is connected in series between the first positive connector 130 and the first end of the main positive fuse 123. The first current sensor 125 has a second communication interface 1251 to transmit the current signal to an external device.

[0334] In this embodiment, a first electrical connector 190 is connected between the second end of the main positive fuse 123 and the first end of the main positive relay 121 , and the first electrical connector 190 is a copper bar.

[0335] In this embodiment, the second positive connector 140 and the third positive connector 150 are an integrated structure.

[0336] In this embodiment, the first mounting base 110 is provided with a first cover 113 and a second cover 114, and the first cover 113 and the second cover 114 are respectively located on the opposite sides of the first mounting base 110 to protect the main positive component 120; the second cover 114 is provided with a heat conductor 115 on the side facing away from the first mounting base 110, and the heat generated by the main positive component 120 can be quickly discharged through the heat conductor 115, thereby improving the heat dissipation effect of the main positive module 100.

[0337] In this embodiment, the main positive relay 121 is provided with a first insulating cover 1211, which can insulate and separate the first end and the second end of the main positive relay 121, thereby improving the reliability of the main positive relay 121; similarly, the charging positive relay 321 is provided with a first insulating cover 1211, which can insulate and separate the first end and the second end of the charging positive relay 321, thereby improving the reliability of the main positive relay 121.

[0338] In this embodiment, the control interface of the main positive relay 121, the control interface of the pre-charge relay 122, and the control interface of the charging positive relay 321 are integrated to form a third integrated interface 182, and the third integrated interface 182 is installed on the first cover 113. The voltage sampling interface of the main positive relay 121 and the voltage sampling interface of the charging positive relay 321 are integrated to form a fourth integrated interface 183, and the fourth integrated interface 183 is installed on the first cover 113.

[0339] Embodiment 7

[0340] The difference between this embodiment and the fifth embodiment is that: Fig.13 , Fig.14 and Fig. 20 As shown in Figure b), the second end of the second current sensor 222 is electrically connected to the first end of the main negative relay 223 through the second electrical connector 290, and the second electrical connector 290 is a copper bar; the second end of the main negative relay 223, the first end of the third negative connector 250 and the second negative connector 240 are connected together, and the third negative connector 250 and the second negative connector 240 are an integrated structure.

[0341] In this embodiment, the second current sensor 222 has a first communication interface 2221 to transmit the current signal to an external device.

[0342] In this embodiment, the second mounting base 210 is provided with a third cover 213 and a fourth cover 214 . The third cover 213 and the fourth cover 214 are located at two opposite sides of the second mounting base 210 to protect the main negative device 220 .

[0343] In this embodiment, the main negative relay 223 is provided with a second insulating cover 2231, which can insulate and separate the first end and the second end of the main negative relay 223, thereby improving the reliability of the main negative relay 223; similarly, the charging negative relay 331 is provided with a second insulating cover 2231, which can insulate and separate the first end and the second end of the charging negative relay 331, thereby improving the reliability of the charging negative relay 331.

[0344] In this embodiment, the control interface of the main negative relay 223, the control interface of the charging negative relay 331 and the control interface of the main negative fuse 221 are integrated to form a sixth integrated interface 282, and the sixth integrated interface 282 is installed on the third cover 213. The voltage sampling interface of the main negative relay 223 and the voltage sampling interface of the charging negative relay 331 are integrated to form a seventh integrated interface 283, and the seventh integrated interface 283 is installed on the third cover 213.

[0345] Embodiment 8

[0346] The difference between this embodiment and the fifth embodiment is that: Fig.15 and Fig.16 As shown in Figure b), the first mounting base 110 includes a first mounting part 111 and a second mounting part 112, the main positive relay 121, the pre-charging relay 122, the main positive fuse 123 and the pre-charging resistor 124 are installed in the first mounting part 111, the first positive connector 130, the second positive connector 140 and the third positive connector 150 are installed in the first mounting part 111, the charging positive relay 321 is installed in the second mounting part 112, and the first charging positive connector 341 is installed in the second mounting part 112.

[0347] In this embodiment, the first end of the third positive connector 150, the first end of the main positive relay 121, the first end of the pre-charge relay 122 and the second end of the main positive fuse 123 are connected together; the second end of the pre-charge resistor 124, the second end of the main positive relay 121 and the second positive connector 140 are connected together.

[0348] In this embodiment, combined with Fig.15 and Fig. 20 As shown in Figure b), the second mounting base 210 includes a third mounting part 211 and a fourth mounting part 212, the main negative fuse 221, the second current sensor 222 and the main negative relay 223 are installed in the third mounting part 211, the first negative connector 230, the second negative connector 240 and the third negative connector 250 are installed in the third mounting part 211, the charging negative relay 331 is installed in the fourth mounting part 212, and the first charging negative connector 351 is installed in the fourth mounting part 212.

[0349] In this embodiment, the second end of the second current sensor 222 is electrically connected to the first end of the main negative relay 223 , and the first end of the third negative connector 250 , the second end of the main negative relay 223 and the second negative connector 240 are connected in common.

[0350] The first mounting portion 111 and the second mounting portion 112 are two independent shells, that is, the first mounting portion 111 and the second mounting portion 112 are split structures, and the third mounting portion 211 and the fourth mounting portion 212 are two independent shells, that is, the third mounting portion 211 and the fourth mounting portion 212 are split structures, so that the power distribution device 10 is divided into four parts, which can be more flexibly arranged in the box 40.

[0351] Embodiment 9

[0352] The difference between this embodiment and the fifth embodiment is that: Fig.16 As shown in Figure d), a charging fuse 322 is connected in series between the charging positive relay 321 and the first charging positive connector 341.

[0353] Embodiment 10

[0354] The difference between this embodiment and the eighth embodiment is that: Fig.16 As shown in Figure e), a charging fuse 322 is connected in series between the charging positive relay 321 and the first charging positive connector 341.

[0355] Embodiment 11

[0356] The difference between this embodiment and the first embodiment is that: Fig.19 As shown, the main positive device 120 also includes a first current sensor 125, a charging fuse 322 and a charging positive relay 321. The first current sensor 125 and the charging positive relay 321 are arranged in the first mounting base 110. The first current sensor 125 is connected in series between the main positive fuse 123 and the main positive relay 121. The second communication interface 1251 of the first current sensor 125 is exposed on the first mounting base 110 to facilitate electrical connection with corresponding components, thereby realizing the signal transmission of the first current sensor 125.

[0357] In this embodiment, the main positive module 100 also includes a fourth positive connector 171, a fifth positive connector 172 and a sixth positive connector 173, the fourth positive connector 171 is electrically connected to the first end of the main positive relay 121, the fifth positive connector 172 is used to electrically connect to the first end of the charging positive relay 321, and the sixth positive connector 173 is used to electrically connect to the second end of the charging positive relay 321; wherein the fourth positive connector 171, the second positive connector 140, the fifth positive connector 172 and the sixth positive connector 173 are arranged on the first mounting base 110.

[0358] In this embodiment, the main positive device 120 also includes a charging fuse 322, which is disposed in the first mounting base 110, and the main positive module 100 also includes a seventh positive connector 174 and an eighth positive connector 175, the seventh positive connector 174 is electrically connected to the first end of the charging fuse 322, and the eighth positive connector 175 is electrically connected to the second end of the charging fuse 322; wherein the seventh positive connector 174 and the eighth positive connector 175 are disposed in the first mounting base 110.

[0359] In this embodiment, the main positive module 100 further includes a first conductive member 176 , a first end of the first conductive member 176 is electrically connected to the fifth positive connector 172 ; and a second end of the first conductive member 176 is electrically connected to the fourth positive connector 171 .

[0360] In this embodiment, the control interface of the main positive relay 121, the control interface of the pre-charging relay 122 and the control interface of the charging positive relay 321 are integrated to form a third integrated interface 182, and the third integrated interface 182 is arranged on the first mounting base 110 and exposed to the first mounting base 110; the voltage sampling interface of the main positive relay 121 and the voltage sampling interface of the charging positive relay 321 are integrated to form a fourth integrated interface 183, and the fourth integrated interface 183 is arranged on the first mounting base 110 and exposed to the first mounting base 110.

[0361] Embodiment 12

[0362] The difference between this embodiment and the first embodiment is that: Fig.23 As shown, the main negative device 220 also includes a charging negative relay 331, which is arranged in the second mounting base 210, and the main negative module 200 also includes a fourth negative connector 271, a fifth negative connector 272 and a sixth negative connector 273, the fourth negative connector 271 is electrically connected to the first end of the main negative relay 223, the fifth negative connector 272 is used to be electrically connected to the first end of the charging negative relay 331, and the sixth negative connector 273 is used to be electrically connected to the second end of the charging negative relay 331; wherein the fourth negative connector 271, the second negative connector 240, the fifth negative connector 272 and the sixth negative connector 273 are arranged in the second mounting base 210.

[0363] In this embodiment, the main negative module 200 further includes a third conductive member 274 , a first end of the third conductive member 274 is electrically connected to the fifth negative connector 272 ; and a second end of the third conductive member 274 is electrically connected to the fourth negative connector 271 .

[0364] In this embodiment, the control interface of the main negative relay 223, the control interface of the charging negative relay 331 and the control interface of the main negative fuse 221 are integrated to form a sixth integrated interface 282, and the sixth integrated interface 282 is arranged on the second mounting base 210 and exposed to the second mounting base 210; the voltage sampling interface of the main negative relay 223 and the voltage sampling interface of the charging negative relay 331 are integrated to form a seventh integrated interface 283, and the seventh integrated interface 283 is arranged on the second mounting base 210 and exposed to the second mounting base 210.

[0365] In another embodiment of the present application, an electrical device is provided, including the power distribution device 10 as in the above embodiment; or, including the battery 1100 as in the above embodiment.

[0366] The above description of various embodiments tends to emphasize the differences between the various embodiments. The same or similar aspects can be referenced to each other, and for the sake of brevity, they will not be repeated herein.

[0367] The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A power distribution device, characterized in that: include, A main positive module, comprising a first mounting base and a main positive device, a first positive connector and a second positive connector mounted on the first mounting base, wherein the main positive device is electrically connected to the first positive connector and the second positive connector, the first positive connector is used to electrically connect to the positive electrode of the battery body, and the second positive connector is used to electrically connect to the positive electrode of the electrical component; A main negative module, comprising a second mounting base and a main negative component, a first negative connector and a second negative connector mounted on the second mounting base, wherein the main negative component is electrically connected to the first negative connector and the second negative connector, the first negative connector is used to be electrically connected to the negative electrode of the battery body, and the second negative connector is used to be electrically connected to the negative electrode of the electrical component; Wherein, the first mounting base and the second mounting base are split structures.

2. The power distribution device according to claim 1, characterized in that: The main positive module further includes a third positive connector, which is electrically connected to the main positive device; the main negative module further includes a third negative connector, which is electrically connected to the main positive device; The power distribution device further includes a charging module, the charging module including a third mounting base and a positive charging device, a negative charging device, a first charging positive connector and a first charging negative connector provided on the third mounting base, the first charging positive connector being used to be electrically connected to the positive electrode of the charging device, and the first charging negative connector being used to be electrically connected to the negative electrode of the charging device; The positive charging device electrically connects the third positive connector and the first charging positive connector, and the negative charging device electrically connects the third negative connector and the first charging negative connector.

3. The power distribution device according to claim 2, characterized in that: The third mounting base and the first mounting base are an integrated structure; or, the third mounting base and the second mounting base are an integrated structure; or, the third mounting base, the first mounting base and the second mounting base are separate structures.

4. The power distribution device according to claim 2 or 3, characterized in that: The positive charging device includes a positive charging relay, and the negative charging device includes a negative charging relay. The positive charging relay electrically connects the first positive charging connector and the third positive connector; the negative charging relay electrically connects the first negative charging connector and the third negative connector.

5. The power distribution device according to claim 4, characterized in that: The first charging positive connector and the first charging negative connector are integrated to form a first connector; the control interface of the charging positive relay, the control interface of the charging negative relay and the interlocking sampling interface of the first connector are integrated to form a first integrated interface, and the first integrated interface is arranged on the third mounting base and exposed on the third mounting base.

6. The power distribution device according to claim 1, characterized in that: The main positive module further comprises a third positive connector, the third positive connector being electrically connected to the main positive device; The main positive module also includes a positive charging device and a first charging positive connector for electrically connecting to the positive pole of the charging device, the positive charging device electrically connects the third positive connector and the first charging positive connector, and the positive charging device and the first charging positive connector are installed on the first mounting base.

7. The power distribution device according to claim 6, characterized in that: The first mounting base includes a first mounting portion and a second mounting portion, the main positive device, the first positive connector and the second positive connector are mounted on the first mounting portion, and the positive charging device and the first charging positive connector are mounted on the second mounting portion; The first mounting portion and the second mounting portion are an integrated structure, or the first mounting portion and the second mounting portion are a split structure.

8. The power distribution device according to claim 7, characterized in that: The positive charging device comprises a positive charging relay, the positive charging relay electrically connecting the third positive connecting member and the first positive charging connecting member; Alternatively, the positive charging device further includes a charging fuse, the charging positive relay is electrically connected to the third positive connector and the first charging positive connector, and the charging fuse is connected in series with the charging positive relay.

9. The power distribution device according to any one of claims 1 to 8, characterized in that: The main positive device includes a main positive relay, a pre-charging relay, a main positive fuse and a pre-charging resistor. The first end of the main positive fuse is electrically connected to the first positive connecting piece, and the first end of the main positive relay, the first end of the pre-charging relay and the second end of the main positive fuse are connected in common; the first end of the pre-charging resistor is electrically connected to the second end of the pre-charging relay, and the second end of the pre-charging resistor, the second end of the main positive relay and the second positive connecting piece are connected in common.

10. The power distribution device according to claim 9, characterized in that: The main positive module also includes a third positive connector for electrically connecting to the positive pole of the charging device, and the third positive connector, the first end of the main positive relay and the second end of the main positive fuse are connected together; or, the third positive connector, the second end of the main positive relay, the second positive connector and the second end of the pre-charging resistor are connected together.

11. The power distribution device according to claim 10, characterized in that: The main positive module further comprises a first connecting member, the first connecting member is electrically connected to the third positive connecting member, and the first connecting member is movably connected to the first mounting base, so that the first connecting member has a first connecting position and a second connecting position; When the first connector is located at the first connection position, the first connector, the first end of the main positive relay and the second end of the main positive fuse are connected together; When the first connection member is located at the second connection position, the first connection member, the second end of the main positive relay, the second positive connection member and the second end of the pre-charging resistor are connected in common.

12. The power distribution device according to claim 11, characterized in that: The main positive device also includes a charging fuse, which is connected in series between the first connector and the third positive connector.

13. The power distribution device according to any one of claims 9 to 12, characterized in that: At least two of the control interface of the main positive relay, the voltage sampling interface of the main positive relay and the control interface of the pre-charging relay are integrated to form a second integrated interface, and the second integrated interface is installed on the first mounting base and exposed to the first mounting base.

14. The power distribution device according to any one of claims 9 to 12, characterized in that: The main positive device also includes a charging positive relay, which is arranged on the first mounting base, and the main positive module also includes a fourth positive connector, a fifth positive connector and a sixth positive connector, wherein the fourth positive connector is electrically connected to the first end of the main positive relay, the fifth positive connector is used to be electrically connected to the first end of the charging positive relay, and the sixth positive connector is used to be electrically connected to the second end of the charging positive relay; Wherein, at least a portion of the fourth positive connector, at least a portion of the second positive connector, at least a portion of the fifth positive connector, and at least a portion of the sixth positive connector are exposed outside the first mounting base.

15. The power distribution device according to claim 14, characterized in that: The main positive module further comprises a first conductive member, a first end of the first conductive member being electrically connected to a portion of the fifth positive connector exposed outside the first mounting base; The second end of the first conductive member is electrically connected to a portion of the fourth positive connector exposed outside the first mounting base; or the second end of the first conductive member is electrically connected to a portion of the second positive connector exposed outside the first mounting base.

16. The power distribution device according to claim 14 or 15, characterized in that: The main positive device also includes a charging fuse, which is arranged on the first mounting base, and the main positive module also includes a seventh positive connector and an eighth positive connector, wherein the seventh positive connector is used to be electrically connected to the first end of the charging fuse, and the eighth positive connector is used to be electrically connected to the second end of the charging fuse; Wherein, at least a portion of the seventh positive connector and at least a portion of the eighth positive connector are exposed outside the first mounting base.

17. The power distribution device according to claim 16, characterized in that: The main positive module also includes a second conductive member, a first end of the second conductive member is electrically connected to a portion of the sixth positive connector exposed outside the first mounting base, and a second end of the second conductive member is electrically connected to a portion of the seventh positive connector exposed outside the first mounting base.

18. The power distribution device according to any one of claims 14 to 17, characterized in that: The control interface of the main positive relay, the control interface of the pre-charging relay and the control interface of the charging positive relay are integrated to form a third integrated interface, and the third integrated interface is arranged on the first mounting base and exposed outside the first mounting base; And / or, the voltage sampling interface of the main positive relay and the voltage sampling interface of the charging positive relay are integrated to form a fourth integrated interface, and the fourth integrated interface is arranged on the first mounting base and exposed outside the first mounting base.

19. The power distribution device according to any one of claims 9 to 18, characterized in that: The main positive device further includes a first current sensor, which is connected in series with the main positive fuse.

20. The power distribution device according to any one of claims 1 to 19, characterized in that: The first mounting base is a main positive housing, and the main positive component is located in the main positive housing.

21. The power distribution device according to any one of claims 1 to 20, characterized in that: The main negative module further comprises a third negative connector, the third negative connector being electrically connected to the main negative device; The main negative module also includes a negative charging device and a first charging negative connector for electrically connecting to the negative pole of the charging device, the negative charging device electrically connects the third negative connector and the first charging negative connector, and the negative charging device and the first charging negative connector are installed on the second mounting base.

22. The power distribution device according to claim 21, characterized in that: The second mounting base comprises a third mounting portion and a fourth mounting portion, the main negative component, the first negative connector and the second negative connector are mounted on the third mounting portion, and the negative charging component and the first charging negative connector are mounted on the fourth mounting portion; The third mounting portion and the fourth mounting portion are an integrated structure, or the third mounting portion and the fourth mounting portion are a split structure.

23. The power distribution device according to claim 21, characterized in that: The negative charging device includes a negative charging relay, and the negative charging relay electrically connects the third negative connection member and the first negative charging connection member.

24. The power distribution device according to any one of claims 1 to 23, characterized in that: The main negative device includes a main negative fuse, a second current sensor and a main negative relay, the first end of the main negative fuse is electrically connected to the first negative connector, the second end of the main negative fuse is electrically connected to the first end of the second current sensor, the second end of the second current sensor is electrically connected to the first end of the main negative relay, and the second end of the main negative relay is electrically connected to the second negative connector.

25. The power distribution device according to claim 24, characterized in that: The main negative module also includes a third negative connector for electrically connecting to the negative pole of the charging device, and the third negative connector, the first end of the main negative relay and the second end of the second current sensor are connected together; or, the third negative connector, the second end of the main negative relay and the second negative connector are connected together.

26. The power distribution device according to claim 25, characterized in that: The main negative module further includes a second connector, the second connector is electrically connected to the third negative connector, and the second connector is movably connected to the second mounting base, so that the second connector has a third connection position and a fourth connection position; When the second connecting member is located at the third connecting position, the second connecting member, the first end of the main negative relay and the second end of the second current sensor are connected in common; When the second connection member is located at the fourth connection position, the second connection member, the second end of the main negative relay and the second negative connection member are connected in common.

27. The power distribution device according to any one of claims 24 to 26, characterized in that: At least two of the control interface of the main negative fuse, the first communication interface of the second current sensor, the control interface of the main negative relay and the voltage sampling interface of the main negative relay are integrated to form a fifth integrated interface, and the fifth integrated interface is arranged on the second mounting base and exposed to the second mounting base.

28. The power distribution device according to any one of claims 24 to 27, characterized in that: The main negative device also includes a charging negative relay, which is arranged on the second mounting base, and the main negative module also includes a fourth negative connector, a fifth negative connector and a sixth negative connector, wherein the fourth negative connector is electrically connected to the first end of the main negative relay, the fifth negative connector is used to be electrically connected to the first end of the charging negative relay, and the sixth negative connector is used to be electrically connected to the second end of the charging negative relay; Wherein, at least a portion of the fourth negative connector, at least a portion of the second negative connector, at least a portion of the fifth negative connector, and at least a portion of the sixth negative connector are exposed outside the second mounting base.

29. The power distribution device according to claim 28, characterized in that: The main negative module further comprises a third conductive member, a first end of the third conductive member being electrically connected to a portion of the fifth negative connecting member exposed outside the second mounting base; The second end of the third conductive member is electrically connected to a portion of the fourth negative connector exposed outside the second mounting base; or, the second end of the third conductive member is electrically connected to a portion of the second negative connector exposed outside the second mounting base.

30. The power distribution device according to claim 28 or 29, characterized in that: The control interface of the main negative relay, the control interface of the charging negative relay and the control interface of the main negative fuse are integrated to form a sixth integrated interface, and the sixth integrated interface is arranged on the second mounting base and exposed outside the second mounting base; And / or, the voltage sampling interface of the main negative relay is integrated with the voltage sampling interface of the charging negative relay to form a seventh integrated interface, and the seventh integrated interface is arranged on the second mounting base and exposed outside the second mounting base.

31. The power distribution device according to any one of claims 1 to 30, characterized in that: The second mounting base is a main negative shell, and the main negative component is mounted on the main negative shell.

32. A battery, characterized in that: A power distribution device comprising any one of claims 1 to 31.

33. The battery according to claim 32, characterized in that: The battery also includes a battery body, a battery management system and a second connector, the positive electrode of the battery body is electrically connected to the first positive connector, the negative electrode of the battery body is electrically connected to the first negative connector, the positive electrode of the second connector is electrically connected to the second positive connector, the negative electrode of the second connector is electrically connected to the second negative connector, and the main positive device, the main negative device and the second connector are all electrically connected to the battery management system.

34. An electrical equipment, characterized in that: A power distribution device comprising any one of claims 1 to 31; or a battery comprising claim 32 or 33.

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