Battery and electric device

Abstract

The present application relates to the technical field of batteries. Provided are a battery and an electric device. The battery comprises a case, and a battery cell and an electric control box that are mounted in the case, wherein the electric control box comprises a housing, a first electric control device and a first conductive member. In the present application, the first electronic control device is designed to have a first positioning portion and a second positioning portion, and the first conductive member is provided with a first mating portion and a second mating portion. By means of the positioning connection between the first positioning portion and the first mating portion and between the second positioning portion and the second mating portion, the positioning fit between the first electronic control device and the first conductive member can be realized, and then the second matching portion is fixedly connected to the second positioning portion, such that the assembly of the first electronic control device on the first conductive member is realized, and the conductive connection between the first electronic control device and the first conductive member is realized by means of the second positioning portion. Compared with a bolt connection mode in the related art, the positioning fit can save on the mounting space required by the first electronic control device.

Description

Battery and electric device

[0001] Cross-reference to Related Applications

[0002] This application claims priority to Chinese Patent Application 202421994114.8, filed on August 16, 2024, entitled “Battery and electric device”, the entire contents of which are incorporated herein by reference. TECHNICAL FIELD

[0003] The present application relates to the technical field of batteries, and more particularly, to a battery and an electric device. BACKGROUND

[0004] Batteries are widely used in electronic devices, such as mobile phones, notebook computers, electric cars, electric cars, electric planes, electric ships, electric toy cars, electric toy ships, electric toy planes, electric tools, and the like.

[0005] An electric control box is arranged in the box body of the battery pack, and a first electric control device such as a relay in the electric control box needs to be connected with a conductive member through a bolt. The bolt connection occupies a large assembly space in the electric control box. Therefore, how to reduce the assembly space of the first electric control device is a research direction in the technical field of batteries.

[0006] SUMMARY

[0007] The present application provides a battery and an electric device, which can reduce the assembly space of the electric control device. In a first aspect, the present application provides a battery, comprising a box body, a battery monomer and an electric control box mounted in the box body, the electric control box comprising a box body, a first electric control device and a first conductive member, the first electric control device being mounted in the box body, one end of the first electric control device being provided with a first positioning portion and a second positioning portion, the second positioning portion being made of conductive material; the first conductive member is mounted in the box body and is used for electrically connecting the battery monomer, the first conductive member is provided with a first matching portion and a second matching portion, the first matching portion is positioned and matched with the first positioning portion, the second matching portion is positioned and matched with the second positioning portion and is fixedly connected, and the first conductive member is electrically connected with the first electric control device through the second positioning portion.

[0008] According to the technical scheme, the first electric control device is designed to have a first positioning part and a second positioning part, and a first matching part and a second matching part are arranged on the first conductive part, the first positioning part and the first matching part and the second positioning part and the second matching part are connected in position, the first electric control device and the first conductive part are connected in position, then the second matching part is fixedly connected with the second positioning part, the first electric control device is assembled on the first conductive part, and the second positioning part is used to realize the conductive connection between the first electric control device and the first conductive part, compared with the bolt connection in the related art, the position connection can save the installation space required by the first electric control device.

[0009] In some embodiments of the present application, the connection mode of the position connection of the first positioning part and the first matching part includes plug-in connection or clamping connection.

[0010] According to the technical scheme, the first positioning part and the first matching part are connected in position through plug-in connection or clamping connection, which is simple in structure, easy to process and convenient to connect, and can improve the position connection efficiency of the first positioning part and the first matching part.

[0011] In some embodiments of the present application, the first positioning part includes a first positioning protrusion, and the first matching part includes a first positioning hole matched with the first positioning protrusion; or the first matching part includes a first positioning protrusion, and the first positioning part includes a first positioning hole plugged with the first positioning protrusion.

[0012] According to the technical scheme, the first positioning protrusion and the first positioning hole are connected, which is simple in structure and easy to process.

[0013] In some embodiments of the present application, the connection mode of the position connection of the second matching part and the second positioning part includes plug-in connection or clamping connection.

[0014] According to the technical scheme, the second positioning part and the second matching part are connected in position through plug-in connection or clamping connection, which is simple in structure, easy to process and convenient to connect, and can improve the position connection efficiency of the second positioning part and the second matching part.

[0015] In some embodiments of the present application, the second positioning part includes a second positioning protrusion, the second matching part includes a second positioning groove, the second positioning groove is arranged on the surface of the first conductive part facing the first electric control device, and the second positioning groove is plugged with the second positioning protrusion.

[0016] According to the technical scheme, the second positioning protrusion and the second positioning groove are connected, which is simple in structure and easy to process.

[0017] In some embodiments of the present application, the bottom wall of the second positioning groove is provided with an observation through hole for observing the second positioning protrusion located in the second positioning groove.

[0018] According to the above technical solution, the observation through hole is provided on the second positioning groove, which not only facilitates the observation of the connection state of the second positioning protrusion and the second positioning groove, but also serves as a welding hole for laser when the second positioning protrusion and the bottom wall of the second positioning groove are fixedly connected by laser welding.

[0019] In some embodiments of the present application, the first positioning part or the first matching part comprises a first positioning protrusion, and the protruding height of the first positioning protrusion is less than or equal to 10 mm. ； In addition, the protruding height of the second positioning protrusion is less than or equal to 10 mm.

[0020] According to the above technical solution, the protruding height of the first positioning part and / or the second positioning protrusion is designed to be less than or equal to 10 mm, which can reduce the space required for assembling the second positioning part and the second matching part while meeting the positioning assembly of the first positioning part and / or the second positioning protrusion.

[0021] In some embodiments of the present application, the protruding height of the first positioning protrusion is 1 mm-3 mm, and / or the protruding height of the second positioning protrusion is 1 mm-3 mm.

[0022] According to the above technical solution, the protruding height of the first positioning protrusion and / or the second positioning protrusion is designed to be 1 mm-3 mm, which can further reduce the space required for assembling the first positioning protrusion and / or the second positioning protrusion, and when the second positioning protrusion and the bottom wall of the second positioning groove are fixedly connected by laser welding, the second positioning protrusion with this size facilitates welding.

[0023] In some embodiments of the present application, the fixed connection mode of the second matching part and the second positioning part comprises welding or bonding.

[0024] According to the above technical solution, the fixed connection of the second matching part and the second positioning part is realized by welding or bonding, which can improve the connection stability of the second matching part and the second positioning part.

[0025] In some embodiments of the present application, the first electric control device is an electric control switch.

[0026] According to the above technical solution, the first electric control device is designed as an electric control switch, which can meet the assembly requirements of the electric control switch and reduce the assembly space of the electric control switch.

[0027] In some embodiments of the present application, the electric control box further comprises a second electric control device, and the number of the first electric conductive members is plural, one end of one of the first electric conductive members is connected with the first electric control device, and the other end is connected with the second electric control device.

[0028] By using the above technical solution, the first electric control device and the second electric control device are connected by using the first electric conductive member, and the assembly space is reduced.

[0029] In some embodiments of the present application, the second electric control device is an electric control protection device.

[0030] By using the above technical solution, the first electric control device is designed as an electric control switch device, and the second electric control device is designed as an electric control protection device, so that the electric control switch device and the circuit in which the electric control switch device is located can be protected.

[0031] In some embodiments of the present application, the electric control box further comprises a sensor device, a second electric conductive member and a third electric conductive member, one end of the second electric conductive member is connected with the second electric control device, the other end of the second electric conductive member is provided with a third positioning part and a fourth positioning part, one end of the third electric conductive member is connected with the sensor device, the other end of the third electric conductive member is provided with a third matching part and a fourth matching part, the third matching part is positioned and matched with the third positioning part, and the fourth matching part is positioned and matched with the fourth positioning part and fixedly connected.

[0032] By using the above technical solution, the first electric control device, the second electric control device and the sensor device are electrically connected by using the first electric conductive member, the second electric conductive member and the third electric conductive member, and at the same time, the second electric conductive member and the third electric conductive member are positioned and assembled by using the third positioning part and the fourth positioning part, the third matching part and the fourth matching part, so that the assembly space required by the second electric conductive member and the third electric conductive member can be reduced. In addition, by using the second electric conductive member and the third electric conductive member to connect the second electric control device and the sensor device, the connection requirement of the second electric control device and the sensor device when the distance therebetween is far can be met by lengthening the second electric conductive member and / or the third electric conductive member, and the connection requirement of the second electric control device and the sensor device when the distance therebetween is at different mounting surfaces of the electric control box can be met by changing the shape of the second electric conductive member and / or the third electric conductive member, and at the same time, other structures in the electric control box can be avoided, so that the connection of the second electric control device and the sensor device is more convenient.

[0033] In some embodiments of the present application, the box body is provided with a containing groove, the first electric control device is installed in the containing groove, and one end of the first electric control device exposed from the containing groove is provided with the first matching part and the second matching part.

[0034] By adopting the technical scheme, the first electric control device is installed in the accommodating groove, assembly of the first electric control device and the box body is realized, and installation stability of the first electric control device in the box body is improved.

[0035] In a second aspect, the embodiments of the present application provide a power utilization device, which comprises the battery. BRIEF DESCRIPTION OF DRAWINGS

[0036] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly introduced as follows. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can be obtained by the drawings without creative labor.

[0037] FIG. 1 is a structural schematic diagram of a power utilization device according to some embodiments of the present application;

[0038] FIG. 2 is a structural schematic diagram of a battery according to some embodiments of the present application;

[0039] FIG. 3 is an exploded view of an electric control box of the battery according to some embodiments of the present application;

[0040] FIG. 4 is a structural schematic diagram of a first electric control device of the electric control box of the battery according to some embodiments of the present application;

[0041] FIG. 5 is a structural schematic diagram of a first electrically conductive member of the electric control box of the battery according to some embodiments of the present application;

[0042] FIG. 6 is a connection schematic diagram of the first electric control device and the first electrically conductive member of the electric control box of the battery according to some embodiments of the present application;

[0043] FIG. 7 is an A-A sectional view of FIG. 6;

[0044] FIG. 8 is a connection schematic diagram of a second electric control device and a first electrically conductive member and a second electrically conductive member of the electric control box of the battery according to some embodiments of the present application;

[0045] FIG. 9 is a connection schematic diagram of the second electric control device and a sensor of the electric control box of the battery according to some embodiments of the present application.

[0046] The reference signs of the specific embodiments are as follows: 1000, vehicle; 100, battery; 10, box body; 11, first part; 12, second part; 20, battery monomer; 30, electric control box; 31, box body; 311, lower box body assembly; 3111, containing groove; 32, first electric control device; 321, first positioning part; 3211, first positioning protrusion; 322, second positioning part; 3221, second positioning protrusion; 33, first conductive part; 331, first matching part; 3311, first positioning hole; 332, second matching part; 3321, second positioning groove; 33211, observation through hole; 333, connecting hole; 34, second electric control device; 35, sensor device; 36, second conductive part; 361, third positioning part; 362, fourth positioning part; 37, third conductive part; 371, third matching part; 200, controller; 300, motor. DETAILED DESCRIPTION

[0047] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0048] Unless otherwise defined, all technical and scientific terms used in the present application have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs; the terms used in the specification of the present application are only for the purpose of describing the specific embodiments and are not intended to limit the present application; the terms “include” and “have” and any variations thereof in the specification and claims of the present application and the above description of drawings are intended to cover non-exclusive inclusion. The terms “first”, “second”, and the like in the specification and claims of the present application and the above description of drawings are used to distinguish different objects and are not intended to describe a specific order or primary and secondary relationship.

[0049] In the present application, the phrase “embodiment” means that the specific features, structures, or characteristics described in connection with the embodiment can be included in at least one embodiment of the present application. The appearance of this phrase at various places in the specification does not necessarily mean the same embodiment, nor is it an independent or alternative embodiment to other embodiments.

[0050] In the description of the present application, it should be noted that unless specifically defined and limited otherwise, the terms "mount", "connected", "connection", "attach" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be directly connected, or indirectly connected through an intermediate medium; can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0051] The term "and / or" in the present application is only to describe the association relationship of the associated objects, which means that there can be three relationships, for example, H and / or B can mean that H exists alone, H and B exist together, and B exists alone. In addition, the character " / " in the present application generally represents that the front and rear associated objects have an "or" relationship.

[0052] In the embodiments of the present application, the same reference signs represent the same components, and for the sake of brevity, the detailed description of the same components is omitted in different embodiments. It should be understood that the thickness, length, width and other dimensions of various components in the embodiments of the present application shown in the drawings, and the overall thickness, length, width and other dimensions of the integrated device are only exemplary and should not constitute any limitation on the present application.

[0053] "Multiple" appearing in the present application means two or more (including two).

[0054] In the present application, the battery monomer can include a lithium ion secondary battery monomer, a lithium ion primary battery monomer, a lithium-sulfur battery monomer, a sodium lithium ion battery monomer, a sodium ion battery monomer, or a magnesium ion battery monomer, etc. The embodiments of the present application are not limited thereto. The battery monomer can be in the shape of a cylinder, a flat body, a cuboid, or other shapes, etc. The embodiments of the present application are also not limited thereto.

[0055] The battery mentioned in the embodiments of the present application refers to a single physical module including one or more battery monomers to provide higher voltage and capacity. For example, the battery mentioned in the present application can include a battery module or a battery pack, etc. The battery generally includes a box for packaging one or more battery monomers. The box can avoid the influence of liquid or other foreign matters on the charging or discharging of the battery monomer.

[0056] The battery monomer mentioned in the embodiments of the present application can include an electrode assembly and an electrolyte, and the electrode assembly includes a positive electrode sheet, a negative electrode sheet, and a separator.

[0057] At present, the application of power batteries is more and more extensive. The power batteries are not only applied to energy storage power supply systems of water power, fire power, wind power and solar power stations, but also widely applied to electric vehicles such as electric bicycles, electric motorcycles, electric cars and electric transportation tools, and many fields such as military equipment and aerospace. With the continuous expansion of the application field of power batteries, the market demand is also increasing.

[0058] In the power battery, an electric control box is arranged in the inside of the battery box body, and the battery monomer in the inside of the battery box body delivers electric energy to the electric device of the electric appliance through the electric control box, so as to ensure that the electric device can normally operate.

[0059] The electric control box is configured with a relay and other electric control devices. In the related art, the relay is generally connected to the copper bar and other conductive parts by bolts. Since the bolt has a certain length and radial size, the bolt connection will occupy a large assembly space in the electric control box. Moreover, the bolt connection is detachable connection, and the assembly stability of the electric control device cannot be guaranteed under long-term vibration. The contact impedance of the electric control device and the conductive part will increase, and the connection failure phenomenon will occur.

[0060] In view of this, the present application provides a technical scheme, which aims to solve the above technical problems by using the conductive part and the electric control device such as the relay to be fixedly connected after positioning and matching.

[0061] The battery monomer described in the embodiments of the present application is suitable for a battery and an electric device using the battery.

[0062] The electric device can be a vehicle, a mobile phone, a portable device, a notebook computer, a ship, a spacecraft, an electric toy and an electric tool, etc. The vehicle can be a fuel automobile, a gas automobile or a new energy automobile, and the new energy automobile can be a pure electric automobile, a hybrid electric automobile or a range extended automobile, etc. The spacecraft includes an airplane, a rocket, a space shuttle and a spacecraft, etc. The electric toy includes a fixed or mobile electric toy, such as a game machine, an electric automobile toy, an electric ship toy and an electric airplane toy, etc. The electric tool includes a metal cutting electric tool, a grinding electric tool, an assembling electric tool and a railway electric tool, such as an electric drill, an electric grinder, an electric wrench, an electric screwdriver, an electric hammer, an impact electric drill, a concrete vibrator and an electric planer, etc. The embodiments of the present application do not specially limit the above electric devices.

[0063] The following embodiments take the electric device as a vehicle for example for convenient description.

[0064] The vehicle 1000 can be a fuel automobile, a gas automobile, or a new energy automobile. The new energy automobile can be a pure electric automobile, a hybrid automobile, or a range extended automobile. The vehicle 1000 is internally provided with a battery 100. The battery 100 can be arranged at the bottom, the head, or the tail of the vehicle 1000. The battery 100 can be used for power supply of the vehicle 1000. For example, the battery 100 can be used as an operating power supply of the vehicle 1000. The vehicle 1000 can further include a controller 200 and a motor 300. The controller 200 is used to control the battery 100 to supply power to the motor 300. For example, the controller 200 is used for power demand of starting, navigation, and driving of the vehicle 1000.

[0065] In some embodiments of the present application, the battery 100 can not only be used as an operating power supply of the vehicle 1000, but also be used as a driving power supply of the vehicle 1000, to replace or partially replace fuel or natural gas to provide driving power for the vehicle 1000.

[0066] In combination with FIGS. 2-7, the present embodiment provides a battery. The battery 100 includes a box body 10, and a battery monomer 20 and an electric control box 30 arranged in the box body 10. The electric control box 30 includes a box 31, a first electric control device 32, and a first electrically conductive part 33. The first electric control device 32 is arranged in the box 31. One end of the first electric control device 32 is provided with a first positioning part 321 and a second positioning part 322. The first electrically conductive part 33 is at least partially arranged in the box 31. The first electrically conductive part 33 is provided with a first matching part 331 and a second matching part 332. The first matching part 331 is in positioning cooperation with the first positioning part 321. The second matching part 332 is in positioning cooperation and fixed connection with the second positioning part 322. The first electrically conductive part 33 is in electrically conductive connection with the first electric control device 32 through the second positioning part 322.

[0067] The box body 10 is used to provide a containing space for the battery monomer 20. The box body 10 can adopt various structures. In some embodiments, the box body 10 can include a first part 11 and a second part 12. The first part 11 and the second part 12 are mutually overlapped. The first part 11 and the second part 12 jointly define a containing space for containing the battery monomer 20. The second part 12 can be a hollow structure with one end open. The first part 11 can be a plate-shaped structure. The first part 11 is overlapped on the open side of the second part 12, so that the first part 11 and the second part 12 jointly define the containing space. The first part 11 and the second part 12 can also be hollow structures with one side open. The open side of the first part 11 is overlapped on the open side of the second part 12. Of course, the box body 10 formed by the first part 11 and the second part 12 can have various shapes, such as a cylinder, a cuboid, etc.

[0068] In the battery 100, the battery cells 20 can be multiple, and the multiple battery cells 20 can be connected in series or in parallel or in a mixed manner. The mixed manner means that the multiple battery cells 20 are connected in series and in parallel. The multiple battery cells 20 can be directly connected in series or in parallel or in a mixed manner, and the whole of the multiple battery cells 20 is accommodated in the box body 10. Of course, the battery 100 can also be that the multiple battery cells 20 are connected in series or in parallel or in a mixed manner to form a battery module, and the multiple battery modules are connected in series or in parallel or in a mixed manner to form a whole and are accommodated in the box body 10. The battery 100 can also include other structures, for example, the battery 100 can also include a current collecting component for realizing the electrical connection between the multiple battery cells 20.

[0069] Each battery cell 20 can be a secondary battery or a primary battery, and can also be a lithium-sulfur battery, a sodium-ion battery, or a magnesium-ion battery, but is not limited thereto. The battery cell 20 can be in the shape of a cylinder, a flat body, a cuboid, or other shapes.

[0070] The box body 31 of the embodiment can include an upper box body 31 assembly (not shown in the figure) and a lower box body 31 assembly connected to each other, and the upper box body 31 assembly and the lower box body 31 assembly enclose a mounting space in which the first electric control device 32 and the first conductive part 33 are at least partially accommodated. The material of the box body 31 is an insulating material such as plastic.

[0071] The first electric control device 32 is an element for controlling a circuit, and can be any one of a circuit breaker, a fuse, a contactor, a relay, a circuit protection switch, etc. The number of the first electric control device 32 can be one or multiple, and each first electric control device 32 can be connected to one or multiple first conductive parts 33.

[0072] The positioning and cooperation of the first positioning part 321 and the first cooperation part 331 can be understood as that the two are positioned and assembled through plug-in, clamping, or the like, so as to realize the relative fixation of the positional relationship of the two. Similarly, the positioning and cooperation of the first positioning part 321 and the first cooperation part 331 can also be understood in the same way.

[0073] Unlike the first positioning part 321, the second positioning part 322 of the embodiment can be understood as a conductive terminal of the first electric control device 32, and the second positioning part 322 is used for electrically connecting the electrical structure inside the first electric control device 32. For example, when the first electric control device 32 is a relay, the number of the second positioning part 322 is two, which are positive and negative conductive terminals, respectively. When the second positioning part 322 is a conductive terminal, its radial dimension is greater than that of the first positioning part 321, so as to ensure the stability of the fixed connection and electrical connection of the second positioning part 322 and the second cooperation part 332.

[0074] The first conductive member 33 can be a conductive structure made of a metal material such as copper or aluminum. Each first conductive member 33 can be connected to at least one first electrically controlled device 32. When the number of first electrically controlled devices is multiple, the number of first conductive members 33 is also multiple. For example, in FIG. 3, there are two first electrically controlled devices 32 and three first conductive members 33. The three first conductive members 33 have different shapes, but their main function is to connect the first electrically controlled devices 32. One end of the first conductive member 33 on the right side of the figure can be used to connect the positive conductive terminal of the first electrically controlled device 32 on the right side. The other end can be connected to the battery 100 or the electrical equipment through the connecting hole 333 in the figure. One end of the first conductive member 33 in the middle can be connected to the negative conductive terminal of the first electrically controlled device 32 on the right side. The other end can be used to connect the positive conductive terminal of the first electrically controlled device 32 on the left side. One end of the first conductive member 33 on the left side can be used to connect the negative conductive terminal of the first electrically controlled device 32 on the left side. The other end can be used to connect the second electrically controlled device 34 described below.

[0075] When connecting the first electrically controlled device 32 and the first conductive member 33, the first positioning part 321 is first positioned and matched with the first matching part 331, and the second positioning part 322 is positioned and matched with the second matching part 332. Then, the second positioning part 322 and the second matching part 332 are connected in a fixed connection manner, so as to realize the assembly of the first electrically controlled device 32 on the first conductive member 33. The second positioning part 322 is used to realize the conductive connection between the first electrically controlled device 32 and the first conductive member 33. Compared with the detachable connection manner of bolt connection in the related art, the positioning and matching not only saves the installation space required by the first electrically controlled device 32, but also improves the connection stability of the first electrically controlled device 32 and the first conductive member 33 by using the fixed connection.

[0076] In some examples, the connection manner of the positioning and matching of the first positioning part 321 and the first matching part 331 includes plug-in or clamping (not shown in the figure).

[0077] Plug-in matching is a method of accurately connecting two mechanical components by designing appropriate shapes and sizes. Clamping is to clamp one component into another component, usually accompanied by a locking mechanism.

[0078] Plug-in matching can ensure accurate positioning of the first positioning part 321 and the first matching part 331 during assembly, prevent deviation or misplacement, and ensure the accuracy and stability of assembly. In addition, compared with clamping, plug-in matching makes the first positioning part 321 and the first matching part 331 easy to disassemble and reassemble, facilitates maintenance and upgrading, reduces costs, and improves production efficiency.

[0079] As shown in FIGS. 4-7, in some examples, the first positioning portion 321 optionally includes a first positioning protrusion 3211, and the first cooperating portion 331 includes a first positioning hole 3311 that is adapted to the first positioning protrusion 3211; or, the first cooperating portion 331 includes a first positioning protrusion 3211, and the first positioning portion 321 includes a first positioning hole 3311 that is plugged by the first positioning protrusion 3211.

[0080] The first positioning portion 321 includes the first positioning protrusion 3211, and the first cooperating portion 331 includes the first positioning hole 3311, which can facilitate the opening of the first positioning hole 3311 on the first conductive member 33 when the first conductive member 33 is in a sheet or block shape.

[0081] It can be understood that the “positioning hole” in the present embodiment should be understood in a broad sense, which can be a blind hole, a through hole, or a notch formed by partial loss.

[0082] Of course, the first positioning portion 321 can also be designed to include the first positioning hole 3311, and the first cooperating portion 331 includes the first positioning protrusion 3211 (not shown in the figure), but it is slightly more difficult to open a hole on the first electric control device 32 than on the first conductive member 33.

[0083] The plugging design of the first positioning protrusion 3211 and the first positioning hole 3311 can ensure accurate positioning of the components during assembly, avoid deviation and misplacement, and improve the accuracy and stability of assembly.

[0084] Similarly, in some examples, the connection mode of the second cooperating portion 332 and the second positioning portion 322 in positioning cooperation optionally includes plugging or clamping (not shown in the figure).

[0085] The plugging cooperation can ensure accurate positioning of the second positioning portion 322 and the second cooperating portion 332 during assembly, prevent deviation or misplacement, and ensure the accuracy and stability of assembly. In addition, the plugging cooperation also makes the second positioning portion 322 and the second cooperating portion 332 easy to disassemble and reassemble, facilitates maintenance and upgrading, reduces costs, and improves production efficiency.

[0086] In some examples, the second positioning portion 322 optionally includes a second positioning protrusion 3221, and the second cooperating portion 332 includes a second positioning groove 3321 that is opened on the surface of the first conductive member 33 facing the first electric control device 32, and the second positioning groove is plugged with the second positioning protrusion 3221.

[0087] The second positioning part 322 comprises a second positioning protrusion 3221, and the second matching part 332 comprises a second positioning slot 3321. The second positioning slot 3321 can also be replaced by a through hole, and the second positioning slot 3321 can also be understood as a blind hole structure. Since the first conductive part 33 can be in a sheet structure, it is convenient to form the second positioning slot 3321 on the first conductive part 33.

[0088] Of course, the second positioning part 322 can comprise the second positioning slot 3321, and the second matching part 332 can comprise the second positioning protrusion 3221 (not shown in the figure), but in this way, it is more difficult to form a hole or a slot on the first electric control device 32 than on the first conductive part 33.

[0089] In combination with FIG. 5, in some examples, optionally, a bottom wall of the second positioning slot 3321 is provided with an observation through hole 33211 for observing the second positioning protrusion 3221 located in the second positioning slot 3321.

[0090] The observation through hole 33211 can be a through hole structure such as a round hole or a square hole. In a direction parallel to the bottom wall of the second positioning slot 3321, the size of the observation through hole 33211 is much smaller than the size of the bottom wall of the second positioning slot 3321. For example, when the observation through hole 33211 is a circular through hole and the second positioning slot 3321 is a circular slot, the diameter of the observation through hole 33211 is much smaller than the radial size of the bottom wall of the second positioning slot 3321.

[0091] The design of the observation through hole 33211 not only facilitates the observation of the connection state between the second positioning protrusion 3221 and the second positioning slot 3321, but also allows for timely adjustment when a gap occurs therebetween. In addition, when the second positioning protrusion 3221 and the bottom wall of the second positioning slot 3321 are fixedly connected by laser welding, the observation through hole 33211 can serve as a welding hole for laser.

[0092] In some examples, optionally, the first positioning part 321 or the first matching part 331 comprises a first positioning protrusion 3211, and the height of the first positioning protrusion 3211 is less than or equal to 10 mm, and / or the height of the second positioning protrusion 3221 is less than or equal to 10 mm.

[0093] The above design makes the protruding size of the first positioning protrusion 3211 and / or the second positioning protrusion 3221 smaller, which can reduce the space required for assembling the first positioning protrusion 3211 and / or the second positioning part 322 with the second matching part 332,

[0094] In some examples, optionally, the height of the first positioning protrusion 3211 is 1 mm-3 mm, and the height of the second positioning protrusion 3221 is 1 mm-3 mm.

[0095] The protruding height of the second positioning protrusion 3221 refers to the height of the second positioning protrusion 3221 protruding from the end surface of the first electric control device 32 where the second positioning protrusion 3221 is arranged. The protruding height of the second positioning protrusion 3221 can be 1 mm, 1.2 mm, 1.10 mm, 2 mm, 2.10 mm, 3 mm, etc. Similarly, the protruding height and size of the first positioning protrusion 3211 can also be the above-mentioned values.

[0096] Of course, the protruding height of the second positioning protrusion 3221 can also be less than or equal to 2 mm, or the protruding height of the second positioning protrusion 3221 can be 2 mm-3 mm.

[0097] The above design makes the protruding size of the second positioning protrusion 3221 smaller, which can further reduce the space required for assembling the second positioning portion 322 and the second matching portion 332, and when the second positioning protrusion 3221 and the bottom wall of the second positioning groove 3321 are fixedly connected in a laser welding manner, the second positioning protrusion 3221 with the size facilitates welding.

[0098] In some examples, optionally, the fixed connection manner of the second matching portion 332 and the second positioning portion 322 includes welding or bonding.

[0099] Welding is a common metal connection technology, which connects the second matching portion 332 and the second positioning portion 322 by heating the material to the melting point. Bonding refers to connecting the second matching portion 332 and the second positioning portion 322 through adhesive.

[0100] The welding manner includes traditional flame welding, electric arc welding and laser welding. The embodiment can adopt laser welding to connect the second matching portion 332 and the second positioning portion 322. Laser welding has high precision and control ability, can realize very small welding points and complex weld seam shapes, and laser welding is usually faster than traditional welding, the heat-affected zone is smaller than traditional welding, reducing the risk of deformation and material performance damage.

[0101] The fixed connection of the second matching portion 332 and the second positioning portion 322 by welding or bonding can improve the connection stability of the second matching portion 332 and the second positioning portion 322.

[0102] In some examples, optionally, the first electric control device 32 is an electric control switch.

[0103] The first electric control device 32 is an electric control switch device, which can be a relay. The number of relays is multiple, for example, two relays in the figure. The two relays are connected to three first conductive members 33, and the two relays are connected in series through one of the first conductive members 33, and connected in series with the battery 100 and the second electric control device 34 through the other two first conductive members 33.

[0104] In some examples, as shown in FIGS. 3 and 8, the electric control box 30 can further include a second electric control device 34. The number of first conductive members 33 is multiple. One end of one of the first conductive members 33 is connected to the first electric control device 32, and the other end is connected to the second electric control device 34.

[0105] The connection mode of the first conductive member 33 and the second electric control device 34 can be the same as or different from the connection mode of the first conductive member 33 and the first electric control device 32. When the connection mode of the first conductive member 33 and the second electric control device 34 is different from the connection mode of the first conductive member 33 and the first electric control device 32, the first conductive member 33 and the second electric control device 34 can be connected by screw connection or the like, which can only reduce the assembly space of the first conductive member 33 and the first electric control device 32. When the connection mode of the first conductive member 33 and the second electric control device 34 is the same as the connection mode of the first conductive member 33 and the first electric control device 32, not only the assembly space of the first conductive member 33 and the first electric control device 32 can be reduced, but also the assembly space of the first conductive member 33 and the second electric control device 34 can be reduced.

[0106] In some examples, the second electric control device 34 is an electric control protection device.

[0107] The first electric control device 32 is designed as an electric control switch device, and the second electric control device 34 is designed as an electric control protection device, which can protect the electric control switch device and the circuit in which the electric control switch device is located.

[0108] The electric control protection device can be a circuit protection device, which is used to protect the circuit from overcurrent or short circuit failure, and reduce the possibility of damage or safety risk of the circuit due to abnormal current during normal operation. The circuit protection device can include any one of a fuse, a circuit breaker, a protection relay, a voltage protector, and a fuse.

[0109] In combination with FIG. 3, FIG. 8 and FIG. 9, in some examples, the sensor 35, the second conductive member 36 and the third conductive member 37 are optionally further included, one end of the second conductive member 36 is connected with the second electric control device 34, the other end of the second conductive member 36 is provided with a third positioning portion 361 and a fourth positioning portion 362, one end of the third conductive member 37 is connected with the sensor 35, the other end of the third conductive member 37 is provided with a third matching portion 371 and a fourth matching portion (not shown in the figure), the third matching portion 371 is positioned and matched with the third positioning portion 361, and the fourth matching portion is positioned and matched with the fourth positioning portion 362 and fixedly connected.

[0110] The sensor 35 can be a current sensor or a voltage sensor, and the connection mode of the second conductive member 36 with the second electric control device 34 can be the same as or different from the connection mode of the first conductive member 33 with the first electric control device 32, and the connection mode of the third conductive member 37 with the sensor 35 can be the same as or different from the connection mode of the first conductive member 33 with the first electric control device 32, as long as the electric conduction connection can be achieved, and the present embodiment will not be described in more detail.

[0111] The third positioning portion 361 and the third matching portion 371 are positioned and matched and electrically connected, and the fourth positioning portion 362 and the fourth matching portion are positioned and matched and electrically connected, and the positioning and matching mode can also be plug-in or clamping, for example, the third positioning portion 361 and the fourth positioning portion 362 can both be columnar protrusions, and the third matching portion 371 and the fourth matching portion can both be holes or slots.

[0112] The first electric control device 32, the second electric control device 34 and the sensor 35 are connected in series through the first conductive member 33, the second conductive member 36 and the third conductive member 37, and the second conductive member 36 and the third conductive member 37 are positioned and assembled through the third positioning portion 361 and the fourth positioning portion 362, the third matching portion 371 and the fourth matching portion, which can reduce the assembly space required by the second conductive member 36 and the third conductive member 37.

[0113] In addition, the second electric control device 34 and the sensor 35 are connected through the second conductive member 36 and the third conductive member 37, the connection requirement when the second electric control device 34 and the sensor 35 are far apart can be met by lengthening the second conductive member 36 and / or the third conductive member 37, and the connection requirement when the second electric control device 34 and the sensor 35 are on different mounting surfaces of the electric control box can be met by changing the shape of the second conductive member 36 and / or the third conductive member 37, and meanwhile other structures in the electric control box 30 can be avoided, and the connection of the second electric control device 34 and the sensor 35 is more convenient.

[0114] Again, as shown in FIG. 3, when including the above-mentioned two first electric control devices 32, one second electric control device 34, one sensing device 35, three first conductive members 33, one second conductive member 36, and one third conductive member 37, the rightmost first conductive member 33 has one end connected to the battery 100 or the electric device through the connecting hole 333 and the like, and the other end connected to the right first electric control device 32 located at the right end of one second positioning portion 322 and at least one first positioning portion 321 through the first matching portion 331 and the second matching portion 332.

[0115] The middle first conductive member 33 has one second positioning portion 322 and at least one first positioning portion 321 at both ends, the right end of the first conductive member 33 has the first matching portion 331 and the second matching portion 332 connected to the right first electric control device 32 located at the left end of one second positioning portion 322 and at least one first positioning portion 321, and the left end of the first conductive member 33 has the first matching portion 331 and the second matching portion 332 connected to the left first electric control device 32 located at the right end of one second positioning portion 322 and at least one first positioning portion 321.

[0116] The right end of the left first conductive member 33 is used to connect the left first electric control device 32 located at the left end of one second positioning portion 322 and at least one first positioning portion 321, and the left end of the first conductive member 33 is used to connect the second electric control device 34.

[0117] One end of the second conductive member 36 is used to connect the second electric control device 34, and the other end is connected to the third conductive member 37 through the third positioning portion 361 and the fourth positioning portion 362, and the other end of the third conductive member 37 is connected to the sensing device 35.

[0118] Again, as shown in FIG. 3, in some examples, the box body 31 is provided with a containing groove 3111, and the first electric control device 32 is installed in the containing groove 3111, and the first electric control device 32 exposed at one end of the containing groove 3111 is provided with the first matching portion 331 and the second matching portion 332.

[0119] The containing groove 3111 can be provided on the lower box body 31 assembly, the number of the containing groove 3111 matches the number of the first electric control device 32, or the number of the containing groove 3111 is more than the number of the first electric control device 32, so that the containing groove 3111 can also contain the above-mentioned second electric control device 34, the sensing device, and the like.

[0120] When assembling the first electric control device 32, the first electric control device 32 can be first installed in the accommodating groove 3111, so as to realize the assembly of the first electric control device 32 and the box body 31, improve the mounting stability of the first electric control device 32 in the box body 31, and then position and connect the first electric control device 32 and the first conductive member 33, and the first conductive member 33 can be connected with the box body 31, so as to further improve the assembly stability of the first electric control device 32 and the first conductive member 33.

[0121] Finally, please refer to the drawings 3-8 shown, the embodiment provides a battery 100, including box 10 and the battery monomer 20 and the electric control box 30 installed in the box 10, the electric control box 30 includes box body 31, first electric control device 32 and first electrically conductive part 33, first electric control device 32 is installed in the box body 31, one end of first electric control device 32 is equipped with first positioning part 321 and second positioning part 322, second positioning part 322 is made of conductive material;First electrically conductive part 33 is installed in the box body 31, and is used for electrically connecting battery monomer 20, first electrically conductive part 33 is equipped with first matching part 331 and second matching part 332, first matching part 331 is positioned and matched with first positioning part 321, second matching part 332 is positioned and matched with second positioning part 322 and fixedly connected, first electrically conductive part 33 is electrically connected with first electric control device 32 through second positioning part 322.The connecting mode of the positioning and matching of first positioning part 321 and first matching part 331 includes insertion or clamping.First positioning part 321 includes first positioning protrusion 3211, and first matching part 331 includes first positioning hole 3311 matched with first positioning protrusion 3211;Or, first matching part 331 includes first positioning protrusion 3211, and first positioning part 321 includes first positioning hole 3311 inserted with first positioning protrusion 3211.The connecting mode of the positioning and matching of second matching part 332 and second positioning part 322 includes insertion or clamping.Second positioning part 322 includes second positioning protrusion 3221, and second matching part 332 includes second positioning groove 3321, second positioning groove 3321 is arranged on the surface of first electrically conductive part 33 facing first electric control device 32, and second positioning groove 3321 is inserted and matched with second positioning protrusion 3221.The bottom wall of second positioning groove 3321 is provided with observation through hole 33211, and the observation through hole 33211 is used for observing second positioning protrusion 3221 located in second positioning groove 3321.First positioning part 321 or first matching part 331 includes first positioning protrusion 3211, and the protruding height of first positioning protrusion 3211 is less than or equal to 10mm;And / or, the protruding height of second positioning protrusion 3221 is less than or equal to 10mm.The protruding height of first positioning protrusion 3211 is 1mm-3mm, and / or the protruding height of second positioning protrusion 3221 is 1mm-3mm.The fixed connection mode of second matching part 332 and second positioning part 322 includes welding or bonding.First electric control device 32 is electric control switch part.Electric control box 30 further includes second electric control device 34, and the number of first electrically conductive part 33 is multiple, wherein one end of one of first electrically conductive part 33 is connected with first electric control device 32, and the other end is connected with second electric control device 34.Second electric control device 34 is electric control protection part.The electric control box 30 further comprises a sensing device 35, a second conductive member 36 and a third conductive member 37. One end of the second conductive member 36 is connected with the second electric control device 34, and the other end of the second conductive member 36 is provided with a third positioning portion 361 and a fourth positioning portion 362. One end of the third conductive member 37 is connected with the sensing device 35, and the other end of the third conductive member 37 is provided with a third matching portion 371 and a fourth matching portion. The third matching portion 371 is positioned and matched with the third positioning portion 361, and the fourth matching portion is positioned and matched with and fixedly connected with the fourth positioning portion 362. The box body 31 is provided with a containing groove 3111, and the first electric control device 32 is installed in the containing groove 3111. The first electric control device 32 exposed at one end of the containing groove 3111 is provided with a first matching portion 331 and a second matching portion 332.

[0122] Again in combination with Fig. 1, based on the above battery 100, the embodiment of the application provides a power consumption device, comprising the above battery 100, and the battery 100 is used to provide electric energy for the power consumption device.

[0123] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the application, but not to limit them; although the application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for the intermediate technical features, but these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the application.

Claims

1. A battery comprising a case, and a battery cell and an electronic control box mounted in the case, wherein, The electric control box comprises: a box body; a first electric control device installed in the box body, one end of the first electric control device being provided with a first positioning part and a second positioning part, the second positioning part being made of conductive material; and a first conductive part installed in the box body and used for electrically connecting the battery monomer, the first conductive part being provided with a first matching part and a second matching part, the first matching part being positioned and matched with the first positioning part, the second matching part being positioned and matched with the second positioning part and fixedly connected, the first conductive part being electrically connected with the first electric control device through the second positioning part.

2. The battery of claim 1, wherein, The connection mode of the first positioning part and the first matching part includes insertion or clamping.

3. The battery of claim 2, wherein, The first positioning part includes a first positioning protrusion, and the first matching part includes a first positioning hole inserted with the first positioning protrusion; or the first matching part includes a first positioning protrusion, and the first positioning part includes a first positioning hole inserted with the first positioning protrusion.

4. The battery of any one of claims 1-3, wherein, The connection mode of the second matching part and the second positioning part includes insertion or clamping.

5. The battery of claim 4, wherein, The second positioning part includes a second positioning protrusion, and the second matching part includes a second positioning groove, the second positioning groove being formed on a surface of the first conductive part facing the first electric control device, the second positioning groove being inserted and matched with the second positioning protrusion.

6. The battery of claim 5, wherein, A bottom wall of the second positioning groove is provided with an observation through hole, the observation through hole being used for observing the second positioning protrusion located in the second positioning groove.

7. The battery of claim 5 or 6, wherein, The first positioning part or the first matching part comprises a first positioning protrusion, a protruding height of the first positioning protrusion is less than or equal to 10 mm ； And / or, a protruding height of the second positioning protrusion is less than or equal to 10 mm.

8. The battery of claim 7, wherein, The protruding height of the first positioning protrusion is 1-3 mm, and / or the protruding height of the second positioning protrusion is 1-3 mm.

9. The battery of any one of claims 1-8, wherein, The fixed connection mode of the second matching part and the second positioning part includes welding or bonding.

10. The battery of any one of claims 1-9, wherein, The first electric control device is an electric control switch device.

11. The battery of claim 10, wherein, The electric control box further comprises a second electric control device, and the number of the first conductive parts is plural, one end of one of the first conductive parts being connected with the first electric control device, and the other end being connected with the second electric control device.

12. The battery of claim 11, wherein, The second electric control device is an electric control protection device.

13. The battery of claim 12, wherein, The electric control box further comprises a sensor device, a second conductive part and a third conductive part, one end of the second conductive part being connected with the second electric control device, the other end of the second conductive part being provided with a third positioning part and a fourth positioning part, one end of the third conductive part being connected with the sensor device, the other end of the third conductive part being provided with a third matching part and a fourth matching part, the third matching part being positioned and matched with the third positioning part, and the fourth matching part being positioned and matched with the fourth positioning part and fixedly connected.

14. The battery of any one of claims 1-13, wherein, The box body is provided with a containing groove, part of the first electric control device being installed in the containing groove, one end of the first electric control device exposed from the containing groove being provided with the first matching part and the second matching part.

15. An electrical device, comprising: The battery comprises the electric control box as claimed in any one of claims 1-14, and is used for providing electric energy.

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