Charging system

Abstract

The invention provides a charging system, which comprises a charger system and a plurality of charging assemblies arranged in series, and is characterized in that each charging assembly comprises a shell; the plurality of interfaces are arranged on the shell, the plurality of interfaces at least comprise a first interface, a second interface and a third interface, and at least one of the first interface and the second interface is a detachable interface; the first interface is electrically connected with the charger system or is electrically connected with the second interface of the adjacent charging assembly; the third interface is connected with an energy storage device, and the charging assembly is used for controlling the energy storage device connected with the charging assembly to be connected into or disconnected from the charging system. According to the charging system, the charging assemblies adopt extensible design, the number of the charging assemblies can be expanded according to the number of the energy storage devices, the charging interfaces are not limited, the corresponding charging interface is provided for each energy storage device, and the charging system has great application prospects.

Description

Technical Field

[0001] The invention belongs to the field of charging control, and in particular relates to a charging system. Background Art

[0002] Existing chargers and charging systems are relatively simple. Usually, a charging interface is configured on the charger to directly connect to an energy storage device to charge the energy storage device. When there are multiple energy storage devices, the charging interface of the existing charger or charging system cannot be expanded and cannot meet the charging needs of multiple energy storage devices. Therefore, there is an urgent need for a charging system that is easy to carry, store and has an expandable charging interface. Summary of the invention

[0003] In view of the above shortcomings of the prior art, an object of the present invention is to provide a charging system to improve the problem that the charging interface of the existing charging system cannot be expanded and cannot meet the charging needs of multiple energy storage devices.

[0004] To achieve the above-mentioned object and other related objects, the present invention provides a charging system, comprising: a charger system and a plurality of charging components arranged in series, wherein the charging components include:

[0005] case;

[0006] A plurality of interfaces, which are arranged on the housing, the plurality of interfaces at least comprising a first interface, a second interface and a third interface, and at least one of the first interface and the second interface is a detachable interface;

[0007] The first interface is electrically connected to the charger system or to a second interface of an adjacent charging component;

[0008] The third interface is connected to the energy storage device, and the charging component is used to control the energy storage device connected to itself to connect to or disconnect from the charging system.

[0009] In one embodiment of the present invention, the charger system includes a charger and a communication control component. The communication control component controls each of the charging components so that only one of the energy storage devices is connected to the charging system for charging in the same period of time.

[0010] In one embodiment of the present invention, the charger and the communication control component are independent structures or integrated together.

[0011] In one embodiment of the present invention, the communication control component includes a first input line interface, a first output line interface and a first control unit; the first control unit is connected to the first input line interface and the first output line interface respectively; the first input line interface is connected to the first output line interface, and the first output line interface is connected to the first charging component.

[0012] In one embodiment of the present invention, the charging assembly further comprises a second control unit;

[0013] The second control unit is connected to the first interface, the second interface and the third interface respectively;

[0014] The first interface is connected to the second interface of the communication control component or the next-level charging component, and the first interface is also connected to the third interface.

[0015] In one embodiment of the present invention, two adjacent charging components are directly connected via the first interface and the second interface or the first interface and the second interface are connected via a first wiring harness.

[0016] In one embodiment of the present invention, the projected area of ​​at least one surface of the housing is less than 4×10 4 mm 2 .

[0017] In one embodiment of the present invention, a fixing structure is further included, and the fixing structure is arranged on the shell to fix the charging component on the matching surface.

[0018] In one embodiment of the present invention, the interface is arranged on a side of the shell, and a groove is arranged on the side of the shell where the interface is arranged, and the interface is located in the groove.

[0019] In one embodiment of the present invention, a wire harness storage structure is further included, which is formed on the housing.

[0020] In one embodiment of the present invention, the energy storage device is an energy storage device, and the energy storage device includes a box body and a moving wheel, and the moving wheel is installed on one side of the bottom of the box body, and along the first direction, the distance between the bottom surface of the box body and the lowest point of the moving wheel is set between 5mm and 20mm.

[0021] In one embodiment of the present invention, along the first direction, the distance between the lowest point of the moving wheel and the top surface of the box is set to be less than 400 mm.

[0022] In one embodiment of the present invention, along the first direction, the center of gravity height of the energy storage device is set to be less than 200 mm.

[0023] In one embodiment of the present invention, the box body includes a main body and a box cover, one side of the box cover is rotatably connected to the main body, and the other side of the box cover is connected to the main body by a buckle, and the box cover and the main body form a accommodating cavity.

[0024] In one embodiment of the present invention, a display device is further included, and the display device is arranged on the top of the body and located outside the accommodating cavity.

[0025] The present invention also provides a charging system, comprising:

[0026] A charger system, connected to an external power supply device;

[0027] an energy storage device configured to receive a plurality of removable battery packs;

[0028] Charging components, including:

[0029] a first charging component, wherein the input end of the first charging component is configured to be directly electrically connected to the charger system to receive current output from the charger system, the output end of the first charging component includes a first output end and a second output end, and the first output end is connected to the energy storage device, and

[0030] a second charging component, wherein the input end of the second charging component is configured to be connected to the second output end of the first charging component, and the first output end of the second charging component is connected to the energy storage device;

[0031] In the first state, the current flowing out from the charger system supplies power to the energy storage device via the first output end of the first charging component; in the second state, the current flowing out from the charger system supplies power to the energy storage device via the second output end of the first charging component and the first output end of the second charging component.

[0032] The present invention proposes a charging system, which realizes the series connection of multiple charging components by arranging a detachable interface on the shell, and the number of charging components can be controlled as needed to realize that one charger can charge multiple energy storage devices. The charging component is small in size and easy to carry and install, thereby facilitating the expansion of the number of charging components, thereby realizing charging of multiple energy storage devices.

[0033] The present invention provides a charging system, which prevents the interface from being damaged by collision or other actions by arranging the side surface provided with the interface to be recessed inwardly so that the second interface is recessed inwardly relative to the side surface of the shell.

[0034] The present invention proposes a charging system, which stores the wire harness by arranging a wire harness storage structure on a shell, thereby facilitating the storage and transportation of the charging assembly and avoiding the occurrence of the wire harness being lost or cluttered. In addition, the wire harness storage is achieved by utilizing the structural design of the shell itself, which can avoid adding parts and components, thereby increasing costs, simplifying the structure, and reducing the volume and weight of the charging assembly to a certain extent.

[0035] The present invention provides a charging system, which arranges a display device on a box body and outside a receiving cavity, so that it is more convenient for users to observe compared with the traditional structure in which the display device is arranged inside the receiving cavity.

[0036] The present invention proposes a charging system, which expands the internal space of the box by reducing the distance between the bottom surface of the box and the lowest point of the moving wheel, thereby improving space utilization. At the same time, it can also effectively reduce the height of the box, thereby reducing the space occupied by the energy storage device, and effectively reduce the overall center of gravity height compared to the traditional structure, thereby improving the stability of the energy storage device. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0038] Figure 1 FIG. 4 is a schematic diagram of the structure of a charging system in one embodiment of the present invention.

[0039] Figure 2 FIG. 4 is a schematic diagram of the structure of a charging component in one embodiment of the present invention.

[0040] Figure 3 FIG. 1 is a schematic diagram of a partial structure of a charging component in one embodiment of the present invention.

[0041] Figure 4 FIG. 1 is a schematic diagram of the series connection of charging components in one embodiment of the present invention.

[0042] Figure 5 It is a schematic diagram of the axial structure of a charging assembly in one embodiment of the present invention.

[0043] Figure 6 FIG. 4 is a schematic diagram of the back structure of a charging component in one embodiment of the present invention.

[0044] Figure 7 It is a schematic diagram of the structure of the direct connection of the charging component in another embodiment of the present invention.

[0045] Figure 8 FIG. 2 is a schematic diagram of the structure of the charging component wire connection in another embodiment of the present invention.

[0046] Fig. 9 FIG. 4 is a schematic diagram of the structure of a charging component in another embodiment of the present invention.

[0047] Fig.10Schematic diagram of the structure of a wire harness storage structure in one embodiment of the present invention.

[0048] Fig.11 Schematic diagram of the structure of a wire harness storage structure in another embodiment of the present invention.

[0049] Fig.12 FIG. 4 is a schematic structural diagram of an energy storage device in another embodiment of the present invention.

[0050] Fig.13 for Fig.12 Side view of the energy storage device.

[0051] Fig.14 It is a schematic diagram of an energy storage device placed upright in one embodiment of the present invention.

[0052] Fig.15 Schematic diagram of the structure of a box cover in one embodiment of the present invention.

[0053] Fig.16 FIG. 2 is a schematic structural diagram of a box cover at another angle in an embodiment of the present invention.

[0054] Fig.17 It is a schematic diagram of a horizontally placed energy storage device in one embodiment of the present invention.

[0055] Fig.18 Schematic diagram of the structure of a charging box in one embodiment of the present invention.

[0056] Fig.19 Schematic diagram of an explosion of a charging box in one embodiment of the present invention.

[0057] Fig. 20 Schematic diagram of the internal structure of a charging box in one embodiment of the present invention.

[0058] Fig.21 FIG. 4 is a schematic diagram of the structure of a battery pack box in one embodiment of the present invention.

[0059] Description of labels:

[0060] 100, charging system; 10, charger system; 20, charging assembly; 21, housing; 221, first interface; 222, second interface; 2201, first wiring harness; 211, first groove; 23, display structure; 241, suspension structure; 242, mounting hole; 223, third interface; 2202, second wiring harness; 251, storage member; 252, hook; 2521, matching member; 253, second groove; 254, third groove; 30, energy storage device; 40, battery pack; 31, box; 32, moving wheel; 301, support foot; 311, body; 312, box cover; 3120, reinforcing rib; 3121, first buckle; 3122, second buckle; 3123, charging Strong parts; 33, display device; 3111, fourth groove; 3112, fifth groove; 34, battery pack box; 341, charging cavity; 342, heat dissipation duct; 343, air inlet; 344, middle air outlet; 345, air outlet; 346, cooling fan; 347, sixth groove; 348, air outlet fence; 313, handle; 302, second leg; 314, handle; 303, slide; 35, charging interface; 351, eighth groove; 36, ninth groove; 11, charger; 12, communication control component; 121, first control unit; 122, incoming line interface; 123, outgoing line interface; 124, wireless module; 224, second control unit; 37, battery management unit. DETAILED DESCRIPTION

[0061] The following describes the embodiments of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0062] It should be noted that the illustrations provided in this embodiment are only used to illustrate the basic concept of the present invention in a schematic manner. Therefore, the drawings only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0063] See also Figures 1 to 21As shown, the present invention proposes a charging system to improve the problem that the charging interface of the existing charging system cannot be expanded and cannot meet the charging of multiple energy storage devices. Specifically, the charging system 100 includes a charger system 10, a charging component 20 and an energy storage device, wherein the charging component 20 is electrically connected to the charger system 10, and the energy storage device is electrically connected to the charging component 20. The charging system 100 may include multiple charging components 20, and each charging component 20 is connected to an energy storage device, and multiple charging components 20 are connected in series in sequence, and the first charging component 20 is connected to the charger system 10 through the first interface 221, and the two adjacent charging components 20 are electrically connected through the first interface 221 and the second interface 222. The charger system 10 controls the charging components 20 in sequence according to the connection sequence with the charger system 10, so as to charge the energy storage devices connected to the charging components 20 in sequence.

[0064] See also Figure 1 As shown, in one embodiment, the charging component 20 includes a housing 21 and a plurality of interfaces, the plurality of interfaces at least including a first interface 221 and a second interface 222, and at least one of the first interface 221 and the second interface 222 is a detachable interface, that is, at least one of the first interface 221 and the second interface 222 is detachably connected to the housing 21, so as to facilitate expansion of the number of the charging components 20. In some other implementations, both the first interface 221 and the second interface 222 are detachable interfaces. The structure of the detachable interface can refer to Figure 1 The pluggable structure of the second interface 222 in the embodiment of the present invention and the structure of the non-detachable interface can be referred to Figure 1 The wire protection sleeve structure at the first interface 221 in FIG.

[0065] See also Figure 1 As shown, in one embodiment, the projected area of ​​at least one surface of the housing 21 is less than 4×10 4 mm 2 For example, in this embodiment, the area of ​​the orthographic projection of the housing 21 along the direction perpendicular to the housing 21 is less than 4×10 4 mm 2 Preferably, the area of ​​the projection surface is set to 1.8225×10 4 mm 2 , 2.25×10 4 mm 2 That is, the charging component 20 is small in size and easy to carry and install, so it is easy to expand the number of charging components 20, thereby realizing charging of multiple energy storage devices.

[0066] See also Figure 1 , Figure 3 , Figure 6 and Figure 7 As shown, in one embodiment, two adjacent charging components 20 are electrically connected through the first interface 221 and the second interface 222, that is, the first interface 221 of one of the two charging components 20 is electrically connected to the second interface of the other charging component 20. Specifically, the two adjacent charging components 20 are directly connected through the first interface 221 and the second interface 222, or connected to the first interface 221 and the second interface 222 of the two charging components 20 through the first wiring harness 2201, so as to realize the electrical connection between the two adjacent charging components 20.

[0067] See also Figure 6 As shown, in one embodiment, the interface is arranged on the side of the shell 21, and the side of the shell 21 where the interface is arranged is provided with a first groove 211, and the interface is located in the first groove 211. Preferably, the first interface 221 and the second interface 222 are arranged on opposite sides of the shell 21 and are located in the first groove 211, that is, the positions of the first interface 221 and the second interface 222 are recessed inward relative to the side of the shell 21, so as to avoid damage to the interface caused by actions such as collision. Of course, in other embodiments, the first interface 221 and the second interface 222 can also be arranged on two adjacent sides of the shell 21.

[0068] See also Figure 1 and Figure 6 As shown, in one embodiment, the charging component 20 also includes a display structure 23, and the display structure 23 is arranged on the shell 21, and the display structure 23 is used to display the current state of the charging component 20, for example, used to display that the charging component 20 is in a working state, a non-working state or an abnormal state, wherein the working state refers to that the energy storage device connected to the charging component 20 is in a charging state; the non-working state refers to that the energy storage device connected to the charging component 20 is in a non-charging state; the abnormal state refers to that the energy storage device connected to the charging component 20 has a charging abnormality or other abnormal conditions.

[0069] See also Figure 8 As shown, in one embodiment, the display structure 23 is configured as a display screen, that is, the current status is directly displayed through the display screen; in another embodiment, the display structure 23 can also be provided with at least one display light, which indicates the current status by the color, brightness or flashing frequency of the display light, so that the user can directly observe the status of the charging component 20, wherein the display light can be a single light or a light strip.

[0070] See also Figure 6As shown, in one embodiment, the charging component 20 also includes a fixing structure, and the fixing structure is arranged on the shell 21, and the charging component 20 is fixed to the mating surface through the fixing structure. It should be noted that the mating surface can be a wall or other location where the charging component 20 is placed when the charging component 20 needs to be used.

[0071] See also Figure 5 As shown, in one embodiment, the fixing structure is set as a suspension structure 241, and the suspension structure 241 is set on the housing 21. Preferably, the suspension structure 241 is set on the side of the housing 21 opposite to the display device, and the suspension structure 241 is installed in cooperation with the matching structure on the matching surface. For example, the suspension structure 241 can be set as a hook, which is installed in cooperation with the matching structure on the matching surface through the hook and the matching structure on the matching surface. Of course, it can also be a positioning hole, and the screws or other similar structures on the matching surface are inserted into the positioning hole to achieve the fixing of the charging component 20.

[0072] See also Figure 2 , Figure 6 As shown, in one embodiment, the fixing structure is set as a mounting hole 242, and the mounting hole 242 is set on the side of the housing 21. Preferably, the mounting holes 242 are set around the housing 21, on two opposite sides or at diagonal positions, and a fixing member passes through the mounting hole 242 and is fixedly connected to the mating surface. The fixing member can be a bolt or other structure. It should be noted that the mounting hole 242 is set on the surface of the housing 21 close to the mating surface to facilitate installation with the mating surface.

[0073] See also Figures 1 to 11 As shown, in one embodiment, the interface also includes a third interface 223, and the third interface 223 is electrically connected to the energy storage device. For example, the third interface 223 and the energy storage device can be connected through a second wiring harness 2202. In this embodiment, the third interface 223 can be set as an integral structure with the housing 21, or it can be set as a detachable interface. It should be noted that one end of the second wiring harness 2202 connected to the energy storage device is a detachable interface, that is, it can be unplugged from the charging interface on the energy storage device.

[0074] See also Figures 8 to 10As shown, in one embodiment, the charging component 20 also includes a wire harness storage structure, which is formed on the shell 21 for storing the second wire harness 2202. In some other embodiments, the wire harness storage structure can also be used to store the first wire harness 2201, so that when the charging component 20 is not in use, the first wire harness 2201 and / or the second wire harness 2202 can be stored, thereby facilitating the storage and transportation of the charging component 20 and avoiding the occurrence of situations such as loss or clutter of the wire harness.

[0075] See also Fig.10 As shown, in one embodiment, the wire harness storage structure is configured as a storage member 251, and the storage member 251 is, for example, disposed on one side of the housing 21 and located on the same side as the third interface 223, and the second wire harness 2202 is wound around the storage member 251 for storage. In this embodiment, the storage member 251 can be, for example, configured as an L-shaped member, a U-shaped member, or other similar structures, one side of the L-shaped member or the U-shaped member is fixedly connected to the housing 21, and the second wire harness 2202 is wound around the other side of the L-shaped member or in the U-shaped groove of the U-shaped member.

[0076] See also Figure 8 and Fig. 9 As shown, in one embodiment, the wire harness storage structure is set as a hook 252, and a matching piece 2521 matching the hook 252 is provided on one end of the second wire harness 2202 connected to the energy storage device, and the matching piece 2521 is engaged in the hook 252 to achieve wire harness storage. For example, in this embodiment, the hook 252 is set as two connecting pieces arranged opposite to each other, and a slot is provided on the connecting piece, and correspondingly, the matching piece 2521 is set as a pin, and the pin is engaged in the slot. It should be noted that the opening direction of the slot is set obliquely upward to prevent the pin from falling out of the slot.

[0077] See also Figure 6As shown, in one embodiment, the wire harness storage structure is provided as a second groove 253 provided on both sides of the housing 21, and the second wire harness 2202 is wound on the housing 21 in a direction perpendicular to the first plane and is located in the second groove 253 to achieve storage, and the first plane refers to the front side 212 of the housing 21. For example, when the first interface 221 and the second interface 222 are provided on two sides opposite to the housing 21, the second groove 253 can be the first groove 211 on the housing 21, or can be provided on the other two sides of the housing 21 except the side provided with the first interface 221 and the second interface 222. By providing the second groove 253 on the side of the housing 21 to achieve storage, the housing 21 can utilize the structural features of the housing 21 itself to achieve wire harness storage, thereby avoiding the increase of components, thereby increasing costs, and simplifying the structure; in addition, the second groove 253 on the housing 21 can reduce the volume and weight of the charging assembly 20 to a certain extent.

[0078] See also Fig. 9 and Fig.10 As shown, in one embodiment, the wire harness storage structure is configured as a third groove 254 arranged along the four sides of the shell 21. For example, the third groove 254 is disposed on the side of the shell 21 and is located at the four corners of the shell 21. For example, the third groove 254 can be formed by recessing the four corners of the side of the shell 21 inward. The second wire harness 2202 is wound around the shell 21 along a direction parallel to the first parallel direction and is located in the third groove 254 to achieve wire harness storage. The storage is achieved by providing a second groove 253 on the side of the shell 21. Even if the wire harness storage is achieved by utilizing the structural features of the shell 21 itself, it can avoid adding components, thereby increasing costs, and can simplify the structure. The second groove 253 on the shell 21 can reduce the volume and weight of the charging assembly 20 to a certain extent.

[0079] See also Figures 1 to 11As shown, the present invention proposes a charging system, the charging system 100 includes a charger system 10, a charging component 20 and an energy storage device 30, wherein the charging component 20 is electrically connected to the charger system 10, and the energy storage device 30 is electrically connected to the charging component 20. The charging system 100 includes multiple charging components 20, and each of the charging components 20 is connected to an energy storage device, and multiple charging components 20 are connected in series in sequence. The first charging component 20 is connected to the charger system 10 through the first interface 221, and the two adjacent charging components 20 are electrically connected through the first interface 221 and the second interface 222. The charger system 10 controls the charging components 20 in sequence according to the connection sequence with the charger system 10, so as to charge the energy storage device 30 connected to the charging component 20 in sequence.

[0080] See also Figures 12 to 21 As shown, the present invention further proposes an energy storage device 30, in which a plurality of battery packs 40 are installed, and the energy storage device 30 is electrically connected to the charging assembly 20. The energy storage device 30 is, for example, a battery pack charging box, but it can also be other devices.

[0081] See also Fig.12 , Fig.13 and Fig.17 As shown, in one embodiment, the energy storage device 30 includes a box body 31 and a moving wheel 32, and the moving wheel 32 is installed on one side of the bottom of the box body 31, and along the first direction X, the distance L between the bottom surface of the box body 31 and the lowest point of the moving wheel 32 is set to 5mm to 20mm, for example, it can be set to 5mm, 10mm and 15mm, that is, by reducing the distance between the bottom surface of the box body 31 and the lowest point of the moving wheel 32, the internal space of the box body 31 is expanded, thereby improving space utilization.

[0082] See also Fig.17 As shown, in one embodiment, a support foot 301 is further provided at the bottom of the box body 31, and the support foot 301 is located on the side of the bottom surface of the box body 31 away from the moving wheel 32. The height of the support foot 301 is the same as the distance between the bottom surface of the box body 31 and the lowest point of the moving wheel 32. When the energy storage device 30 is laid flat, the support foot 301 and the moving wheel 32 play a supporting role.

[0083] See also Fig.17As shown, in one embodiment, along the first direction X, the distance H between the lowest point of the moving wheel 32 and the top surface of the box body 31 is set to be less than 400 mm, which increases the internal space of the box body 31 by reducing the distance between the bottom surface of the box body 31 and the lowest point of the moving wheel 32, thereby effectively reducing the height of the box body 31, thereby reducing the occupied space of the energy storage device 30.

[0084] See also Fig.17 As shown, in one embodiment, along the first direction X, the center of gravity height of the energy storage device 30 is set to be less than 200 mm. Preferably, the center of gravity height is set to 100 mm to 150 mm, so as to effectively reduce its overall center of gravity height relative to the traditional structure and improve the stability of the energy storage device 30.

[0085] See also Figure 12 to Figure 14 As shown, in one embodiment, the box body 31 includes a main body 311 and a box cover 312, one side of the box cover 312 is rotatably connected to the main body 311, and the other side is connected to the main body 311 by a buckle, so that a receiving cavity is formed between the box cover 312 and the main body 311, and the battery pack 40 is installed in the receiving cavity. The box cover 312 is also provided with a reinforcing rib 3120, and the reinforcing rib 3120 is used to improve the structural strength of the box cover 312.

[0086] See also Figures 15 to 19 As shown, in one embodiment, a first buckle 3121 is provided on one side of the box cover 312, and the first buckle 3121 is rotatably connected to the box cover 312. A second buckle 3122 matching the first buckle 3121 is provided on the body 311, and the body 311 and the box cover 312 are fixedly connected by the first buckle 3121 and the second buckle 3122, so as to form the accommodating cavity. In this embodiment, two first buckles 3121 are provided on the box cover 312, and correspondingly, two second buckles 3122 are also provided on the body 311.

[0087] See also Fig. 20 As shown, in this embodiment, a reinforcing member 3123 is provided on the top of the body 311, and the reinforcing member 3123 is at least partially located on one side of the buckle, for example, the reinforcing member 3123 can be a metal member or other structure. Specifically, the top surface of the body 311 is a mating interface with the box cover 312, and the reinforcing member 3123 is provided on the mating interface and is located between the two second buckles 3122, so as to strengthen the structural strength of the body 311 where the buckle is provided.

[0088] See also Figures 15 to 20As shown, in one embodiment, the energy storage device 30 further includes a display device 33, which is arranged at the top of the body 311 and located outside the accommodating cavity. Specifically, a fourth groove 3111 is arranged at the top of the body 311, and the display device 33 is arranged in the fourth groove 3111. Correspondingly, the box cover 312 is also provided with a fifth groove 3112 at the corresponding position of the fourth groove 3111 to prevent the box cover 312 from blocking the display device 33. In this embodiment, the display device 33 is arranged at the top of the body 311 and located between the two second buckles 3122. At this time, the reinforcement member 3123 covers the fourth groove 3111 and is provided with a groove identical to the fifth groove 3112 to avoid blocking the display device 33. Compared with the traditional structure in which the display device 33 is arranged inside the accommodating cavity, the display device 33 in this embodiment is arranged on the box body 31 and located outside the accommodating cavity for easy observation by the user.

[0089] See also Fig.12 , 19 to Fig.21 As shown, in one embodiment, the box body 31 also includes a battery pack box 34, which is installed in the accommodating cavity, and the battery pack box 34 is provided with a plurality of charging cavities 341, each charging cavity 341 is used to install a battery pack 40 to charge the battery pack 40, wherein a heat dissipation duct 342 is formed between the plurality of the charging cavities 341, for example, the battery pack box 34 is provided with two rows of charging cavities 341, and the heat dissipation duct 342 is formed between the two rows of charging cavities 341.

[0090] See also Fig.12 , 19 to Fig.21 As shown, in one embodiment, a plurality of air inlets 343 are provided on the box body 31 . Specifically, the air inlet 343 is provided on the main body 311 , and each of the charging cavities 341 is connected to at least one air inlet 343 , thereby achieving heat dissipation for the battery pack 40 in the charging cavity 341 .

[0091] See also Fig.12 , 19 to Fig.21 As shown, in one embodiment, a middle air outlet 344 is provided on the charging cavity 341, and the middle air outlet 344 is connected to the heat dissipation duct 342. Wind enters the charging cavity 341 from the air inlet 343, and enters the interior of the battery pack 40 from the air inlet of the battery pack 40 itself, and flows out from the air outlet of the battery pack 40 itself, and then enters the heat dissipation duct 342 through the middle air outlet 344 and is discharged outside the box body 31, thereby cooling the battery pack 40.

[0092] See also Fig.12 , 19 to Fig.21 As shown, in one embodiment, the air inlet 343 is disposed on the side of the charging cavity 341 and close to the bottom thereof, and the middle air outlet 344 is disposed on the side wall of the charging cavity 341 and close to the top thereof, so that the air entering the charging cavity 341 from the air inlet 343 can fully flow through the battery pack 40, thereby improving the heat dissipation effect. For example, the air inlet 343 and the middle air outlet 344 are located on two opposite sides of the charging cavity 341.

[0093] See also Figures 12 to 21 As shown, in one embodiment, an air outlet 345 is further provided on one side of the box body 10. Specifically, the air outlet 345 is provided on one side of the main body 311, and the air outlet 345 is connected to the heat dissipation duct 342, and a cooling fan 346 is installed at the air outlet 345. When the cooling fan 346 is working, air enters the charging cavity 341 from the air inlet 343, flows through the interior of the battery pack 40, and then enters the heat dissipation duct 342 from the middle air outlet 344, and is discharged from the air outlet 345.

[0094] See also Figures 12 to 21 As shown, in one embodiment, since the air outlet 345 is located at the bottom when the energy storage device 30 is placed upright, the side of the body 311 provided with the air outlet 345 is set to be partially concave inward, and the air outlet 345 is located at the concave position, that is, the side of the body 311 provided with the air outlet 345 is provided with a sixth groove 347, and the air outlet 345 and the cooling fan 346 are located in the sixth groove 347 to avoid damage to the cooling fan 346 when the energy storage device 30 is placed upright. Further, an air outlet fence 348 is also provided on the outside of the cooling fan 346, and the air outlet fence 348 is located in the sixth groove 347, and the air outlet fence 348 is connected to the body 311 and covers the air outlet 345 to further protect its heat dissipation structure. In some other embodiments, the air outlet fence 348 is detachably connected to the body 311, which can facilitate the replacement or maintenance of the cooling fan.

[0095] See also Figures 12 to 21 As shown, in one embodiment, handles 313 are further provided on opposite sides of the box body 31. For example, the handles 313 may be through grooves corresponding to the opposite sides of the body 311 and the box cover 312 to form the handles 313 for easy carrying.

[0096] See also Fig.14 , Figures 17 to 20As shown, in one embodiment, when the energy storage device 30 is placed upright, a second leg 302 is provided on the bottom surface of the body 311, and the second leg 302 and the moving wheel 32 play a supporting role. A handle 314 is provided on the side opposite to the second leg 302, and the handle 314 is telescopically connected to the body 311. Specifically, a rear slide 303 is formed between the two opposite sides of the battery pack box 34 and the body 311, and the handle 314 is slidably installed in the slide 303. With the cooperation of the handle 314, the limiting protrusion configured on the handle 314 and the slide 303, the position switching of the handle 314 in the two states of contraction and extension is realized, so that the energy storage device 30 can be moved by the handle 314, and when it is not needed to be moved, the handle 314 can be retracted into the body 311 to reduce the occupied space.

[0097] See also Figures 12 to 21 As shown, in one embodiment, the energy storage device 30 also includes a charging interface 35, and the charging interface 35 is arranged on the side of the box body 31, specifically, on the side of the main body 311, for being electrically connected to an external charging component 20, thereby receiving current from the charging component 20, for example, by connecting between the third interface 223 of the charging component 20 and the charging interface 35 through the second wiring harness 2022 to achieve electrical connection with the charging component 20.

[0098] See also Figures 12 to 21 As shown, in one embodiment, the side of the box body 31 provided with the charging interface 35 is configured to be partially recessed inward, and the charging interface 35 is located in the recess. Specifically, the side of the main body 311 is provided with an eighth groove 351 where the charging interface 35 is provided, and the charging interface 35 is located in the eighth groove 351, that is, the charging interface 35 is recessed inward relative to the side of the main body 311, so as to avoid damage to the interface caused by impact and the like.

[0099] See also Figures 12 to 21 As shown, in one embodiment, a ninth groove 36 is further provided on the box body 31, and the ninth groove 36 cooperates with the protruding structure on the electrical equipment or the power supply equipment to install the energy storage device 30 in cooperation with the electrical equipment or the power supply equipment, thereby supplying power to the electrical equipment or receiving electrical energy from the power supply equipment, and the center of gravity of the energy storage device 30 is effectively lowered compared with the traditional structure, so that it can be installed more stably in the electrical equipment.

[0100] See also Figures 12 to 21As shown, in one embodiment, the ninth groove 36 is arranged around the body 311. For example, at least two ninth grooves 36 are arranged around the body 311, and the two ninth grooves 36 are arranged along the diagonal of the box body 31 to make it more stable during installation. Of course, the two ninth grooves 36 can also be arranged on the same side of the box body 31, and 3, 4 or more ninth grooves 36 can also be arranged around the body 311. In some other embodiments, only one ninth groove 36 can be provided. In this case, the energy storage device 30 needs to be limited in cooperation with the limiting structure on the electrical equipment or the power supply equipment to achieve stable installation of the energy storage device 30.

[0101] See also Figures 1 to 21 As shown, in one embodiment, the charger system 10 includes a charger 11 and a communication control component 12. The communication control component 12 controls each of the charging components 20 so that only one of the energy storage devices is connected to the charging system for charging in the same period of time. In one embodiment, the communication control component 12 is a communication integrated box, which is a device independent of the charger. By separately designing the communication integrated box, it can be compatible with existing chargers, so that the existing chargers can be directly adapted to the charging system of the present application without the need to improve the existing chargers. Of course, the communication control component 12 can also be directly integrated into the charger as an integrated structure.

[0102] See also Figures 1 to 21 As shown, in one embodiment, the communication control component 12 is connected between the charger 11 and the charging component 20, and serves as an information interaction and transfer station. The communication control component 12 and each of the charging components 20 are connected via a CAN bus communication. Its main function is to complete the communication control and information collection and reporting functions of each of the rear-end connected charging components 20, and at the same time complete the communication interaction between the charging component 20 and the charger 11 through transfer.

[0103] See also Figures 1 to 21 As shown, in one embodiment, the communication control component 12 includes a first control unit, an input line interface and an output line interface, the first control unit is connected to the input line interface and the output line interface respectively, the input line interface is connected to an external charger 11, and the output line interface is connected to the first charging component.

[0104] See also Figures 1 to 21As shown, in one embodiment, the charging component 20 is mainly used to control the delivery of charging power from the charger 11 to each of the energy storage devices. The charging component 20 also includes a second control unit, which is connected to the first interface 221, the second interface 222 and the third interface 223 respectively. The first interface 221 is connected to the output interface of the communication control component 12 or the second interface 222 of the next level of the charging component 20, and the first interface 221 is also connected to the third interface 223.

[0105] The present invention also proposes a charging system, which includes a charger system 10, an energy storage device 30 and a charging component, wherein the charger system 10 is used to connect to an external power supply device, and the energy storage device is configured to accommodate multiple detachable battery packs, for example, wherein the charging component includes a first charging component and a second charging component, the input end of the first charging component is configured to be directly electrically connected to the charger system 10 to receive current output from the charger system 10, the output end of the first charging component includes a first output end and a second output end, the first output end is connected to the energy storage device 30, the input end of the second charging component is configured to be connected to the second output end of the first charging component, and the first output end of the second charging component is connected to the energy storage device. It should be noted that the input end, the first output end and the second output end of the first charging component and the second charging component are respectively the first interface 221, the third interface 223 and the second interface 222 described in the above embodiments.

[0106] See also Figures 1 to 21 As shown, in one embodiment, in the first state of the charging system, the current flowing out of the charger system 10 supplies power to the energy storage device 30 via the first output end of the first charging component; in the second state, the current flowing out of the charger system supplies power to the energy storage device via the second output end of the first charging component and the first output end of the second charging component. It should be noted that there may be more charging components in the charging system, and two adjacent charging components may be connected in the manner of the first charging component and the second charging component in the above embodiment to connect multiple charging components in series; wherein, when charging the energy storage device 30 connected to a certain charging component, the current flowing out of the charger system supplies power to the energy storage device connected to the charging component via the second output ends of all other charging components in front of the charging component and the first output end of the charging component.

[0107] The charging components of the charging system of the present application adopt an expandable design, and the number of charging components can be expanded according to the number of energy storage devices, so that the charging interface is not restricted, thereby providing a corresponding charging interface for each energy storage device, which has great application prospects.

[0108] It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and that the present application can be implemented in other specific forms without departing from the spirit or essential features of the present application.

[0109] The above embodiments are only used to illustrate the technical solution of the present application and are not intended to limit it. Although the present application has been described in detail with reference to the preferred embodiments, a person skilled in the art should understand that the technical solution of the present application may be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present application.

Claims

1. A charging system, characterized in that: include: A charger system and a plurality of charging components arranged in series, wherein the charging components include: case; A plurality of interfaces, which are arranged on the housing, the plurality of interfaces at least comprising a first interface, a second interface and a third interface, and at least one of the first interface and the second interface is a detachable interface; The first interface is electrically connected to the charger system or to the second interface of the adjacent charging component; The third interface is connected to the energy storage device, and the charging component is used to control the energy storage device connected to itself to connect to or disconnect from the charging system.

2. The charging system according to claim 1, characterized in that: The charger system includes a charger and a communication control component. The communication control component controls each of the charging components so that only one of the energy storage devices is connected to the charging system for charging at the same time period.

3. The charging system according to claim 2, characterized in that: The charger and the communication control component are independent structures or integrated together.

4. The charging system according to claim 2, characterized in that: The communication control component includes an input line interface, an output line interface and a first control unit; the first control unit is connected to the input line interface and the output line interface respectively; the input line interface is connected to the output line interface, and the output line interface is connected to the first charging component.

5. The charging system according to claim 2, characterized in that: The charging assembly also includes a second control unit; The second control unit is connected to the first interface, the second interface and the third interface respectively; The first interface is connected to the second interface of the communication control component or the next-level charging component, and the first interface is also connected to the third interface.

6. The charging system according to claim 1, characterized in that: Two adjacent charging components are directly connected via the first interface and the second interface or via a first wiring harness connecting the first interface and the second interface.

7. The charging system according to claim 1, characterized in that: The projected area of ​​at least one surface of the housing is less than 4×10 4 mm 2 .

8. The charging system according to claim 1, characterized in that: It also includes a fixing structure, which is arranged on the shell to fix the charging component on the matching surface.

9. The charging system according to claim 1, characterized in that: The interface is arranged on the side of the shell, and the side of the shell on which the interface is arranged is provided with a groove, and the interface is located in the groove.

10. The charging system according to claim 1, characterized in that: Also included is a wire harness storage structure formed on the housing.

11. The charging system according to claim 1, characterized in that: The energy storage device includes a box body and a moving wheel, wherein the moving wheel is installed on one side of the bottom of the box body, and along a first direction, the distance between the bottom surface of the box body and the lowest point of the moving wheel is set between 5 mm and 20 mm.

12. The charging system according to claim 10, characterized in that: Along the first direction, the distance between the lowest point of the moving wheel and the top surface of the box is set to be less than 400 mm.

13. The charging system according to claim 10, characterized in that: Along the first direction, the center of gravity height of the energy storage device is set to be less than 200 mm.

14. The charging system according to claim 10, characterized in that: The box body comprises a main body and a box cover, one side of the box cover is rotatably connected to the main body, and the other side of the box cover is connected to the main body through a buckle, and the box cover and the main body form a containing cavity.

15. The charging system according to claim 14, characterized in that: It also includes a display device, which is arranged on the top of the body and located outside the accommodating cavity.

16. A charging system, characterized in that: include: A charger system, connected to an external power supply device; an energy storage device configured to receive a plurality of removable battery packs; Charging components, including: a first charging component, wherein the input end of the first charging component is configured to be directly electrically connected to the charger system to receive current output from the charger system, the output end of the first charging component includes a first output end and a second output end, and the first output end is connected to the energy storage device, and A second charging component, wherein the input end of the second charging component is configured to be connected to the second output end of the first charging component, and the first output end of the second charging component is connected to the energy storage device; wherein, in a first state, the current flowing out of the charger system supplies power to the energy storage device via the first output end of the first charging component; and in a second state, the current flowing out of the charger system supplies power to the energy storage device via the second output end of the first charging component and the first output end of the second charging component.

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