Battery with convenient-to-disassemble structure

Abstract

The utility model provides a battery with a structure convenient to disassemble. The battery comprises a control module and an energy module, the control module comprises a box cover and a battery management system, and the battery management system is installed in the box cover; the energy module comprises a box body and a battery cell module, and the battery cell module is mounted in the box body; the box cover covers the opening of the box body; the battery management system comprises a power supply protection plate and a power plug, and the power supply protection plate is provided with an extension socket; the power plug is located below the power protection board and connected with the power protection board through a power line. The battery cell module comprises a plurality of battery cells, an acquisition board and a power socket; the plurality of battery cells are positioned below the acquisition board and are connected with a busbar of the acquisition board; an extension socket is arranged on the acquisition board; the power socket is connected with the acquisition board through a power line; and the power strip on the power supply protection board is connected with the power strip on the acquisition board through a sampling line bar.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of batteries, in particular to a battery with a structure convenient to disassemble. BACKGROUND

[0002] The power lithium battery of an electric bicycle is a key energy storage and supply component thereof, which directly affects the endurance mileage, performance and service life of the electric bicycle. The power lithium battery is usually composed of a plurality of battery cells combined in a series and parallel manner, forming a battery cell module with high voltage and high capacity. The battery cells are generally made of lithium metal or lithium alloy chemicals, and have the advantages of high voltage and light weight. The battery cell module further comprises a battery management system (BMS) for monitoring and protecting the safe operation of the battery cell module.

[0003] In the prior art, the battery management system (BMS) is fixedly installed on the battery cell module and integrated together in the box of the power lithium battery (see the drawings of the specification of the Chinese utility model patent with the authorization announcement number CN220544081U). The disadvantage of this structure is that when one of the battery management system or the battery cell module needs to be repaired, the two are not convenient to disassemble. If they are not disassembled but are mailed together for repair, the transportation process is often troublesome due to the safety risk of flammable and explosive battery cells, and the repair efficiency is also reduced. SUMMARY

[0004] The application provides a battery with a structure convenient to disassemble, comprising a control module and an energy module.

[0005] The control module comprises a box cover and a battery management system, and the battery management system is installed in the box cover; the energy module comprises a box body and a battery cell module, and the battery cell module is installed in the box body; and the box cover covers the opening of the box body.

[0006] The battery management system comprises a power protection board and a power plug, the power protection board is provided with a power strip, the power plug is located below the power protection board, and the power plug is connected with the power protection board through a power line.

[0007] The battery cell module comprises a plurality of battery cells, a collection board and a power socket, the plurality of battery cells are located below the collection board and connected with busbars of the collection board, the collection board is provided with a power strip, the power socket is connected with the collection board through a power line, and the power plug is connected with the power socket.

[0008] The power strip on the power protection board is connected with the power strip on the collection board through a sampling line.

[0009] In one possible implementation, the structure provided by the embodiments of the present application facilitates disassembly of the battery. The box cover is provided with a first insulation plate, which is located below the power protection plate.

[0010] In one possible implementation, the structure provided by the embodiments of the present application facilitates disassembly of the battery. The box cover is provided with a first insulation plate, which is located below the power protection plate.

[0011] In one possible implementation, the structure provided by the embodiments of the present application facilitates disassembly of the battery. The box cover is provided with a first insulation plate, which is located below the power protection plate.

[0012] Beneficial effects: Compared with the traditional battery, the battery management system is integrated in the box cover part, and the battery cell module is integrated in the box body. In production or after-sales, it is convenient to assemble and disassemble. When after-sales maintenance is needed, the box cover is opened, the power plug is disconnected from the power socket, and the sampling line row is disconnected from the socket on the power protection plate or the socket on the collection plate. The control module and the energy module can be disassembled. The product that needs to be returned to the factory can be sent separately, which saves transportation cost, saves after-sales cost, improves after-sales efficiency, and greatly improves safety. Moreover, in the production process of the battery, the control module and the energy module can be produced separately, which can improve production efficiency and reduce labor cost. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application. Those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0014] Figure 1 is a structural schematic diagram of the battery with a structure facilitating disassembly provided by the embodiments of the present application;

[0015] Figure 2 is an exploded schematic diagram of the battery with a structure facilitating disassembly provided by the embodiments of the present application;

[0016] Figure 3 is an internal schematic diagram of the control module provided by the embodiments of the present application;

[0017] Figure 4 is an exploded schematic diagram of the energy module provided by the embodiments of the present application;

[0018] Figure 5 is a schematic diagram of the battery cell module provided by the embodiments of the present application.

[0019] MARKED WITH REFERENCE NUMBERS

[0020] 10-control module;

[0021] 11-box cover;

[0022] 12-power protection board;

[0023] 13-power plug;

[0024] 14-first insulation board;

[0025] 15-handles;

[0026] 20-energy module

[0027] 21-box;

[0028] 22-electric core;

[0029] 23-acquisition board;

[0030] 231-row plug;

[0031] 24-power socket;

[0032] 25-second insulation board;

[0033] 30-sampling line row;

[0034] 40-power line. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme in the embodiments of the present application will be described in more detail below in combination with the drawings in the preferred embodiments of the present application. In the drawings, the same or similar notations represent the same or similar parts or parts having the same or similar functions throughout. The described embodiments are part of the embodiments of the present application, not all the embodiments. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts, fall within the scope of protection of the present application.

[0036] Figure 1 is a structural schematic diagram of a battery with a structure convenient for disassembly provided by an embodiment of the present application; Figure 2 is an exploded schematic diagram of a battery with a structure convenient for disassembly provided by an embodiment of the present application; Figure 3 is an internal schematic diagram of a control module provided by an embodiment of the present application; Figure 4 is an exploded schematic diagram of an energy module provided by an embodiment of the present application; Figure 5 is a schematic diagram of an electric core module provided by an embodiment of the present application.

[0037] Referring to Figures 1 to 5 The embodiment of the present application provides a battery which is convenient to disassemble, comprising a control module 10 and an energy module 20, wherein:

[0038] The control module 10 comprises a box cover 11 and a battery management system, and the battery management system is installed in the box cover 11. The energy module 20 comprises a box body 21 and a battery cell 22 module, and the battery cell 22 module is installed in the box body 21. In a general state, the box cover 11 is covered on the opening of the box body 21.

[0039] The battery management system comprises a power protection board 12 and a power plug 13, the power protection board 12 is used for monitoring the key parameters such as voltage, current and temperature of the battery cell 22, and ensuring that they fluctuate within a safe range, and the power protection board 12 is provided with a power strip. The power plug 13 is located below the power protection board 12, and the power plug 13 is connected with the power protection board 12 through a power line 40.

[0040] The battery cell 22 module comprises a plurality of battery cells 22, a collection board 23 and a power socket 24, the plurality of battery cells 22 are welded on busbars of the collection board 23 after being connected in series, and the collection board 23 collects data such as voltage and resistance of each battery cell 22. The collection board 23 is provided with a power strip 231; the power socket 24 is connected with the collection board 23 through the power line 40. The power plug 13 is inserted into the power socket 24.

[0041] The power strip on the power protection board 12 and the power strip on the collection board 23 are connected through a sampling line row 30, and the collected data of the battery cell 22 is transmitted to the battery management system through the sampling line row 30.

[0042] Working principle: when after-sales maintenance is needed, the box cover 11 is opened, the power plug 13 is disconnected with the power socket 24, and the sampling line row 30 is disconnected with the power strip on the power protection board 12 or the power strip on the collection board 23, so that the control module 10 and the energy module 20 can be disassembled. If it is confirmed that the product needs to be returned to the factory, one of the modules can be sent alone, thereby saving transportation cost, saving after-sales cost, improving after-sales efficiency, and greatly improving safety.

[0043] Moreover, in the production process of the battery, the control module 10 and the energy module 20 can be produced separately, thereby improving production efficiency and reducing labor cost.

[0044] Specifically, the box cover 11 is provided with a first insulating plate 14, and the first insulating plate 14 is located below the power protection board 12. The box body 21 is provided with a second insulating plate 25, and the second insulating plate 25 is located above the collection board 23. The top end of the box cover 11 is provided with a handle.

[0045] In the description of the embodiments of the present application, it should be understood that, unless specifically defined and limited otherwise, the terms "mount", "connect", "connection" should be interpreted broadly, for example, can be fixedly connected, can be indirectly connected through an intermediate medium, can be internal communication of two elements or interaction relationship 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. The terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0046] The terms "first", "second", "third", "fourth" and the like in the description of the present application and claims and the above drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. For example, it can be implemented in an order other than that illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to the process, method, product or device.

[0047] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present 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 part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A battery of construction facilitating disassembly, characterized in that The battery includes a control module and an energy module; The control module includes a box cover and a battery management system, and the battery management system is installed in the box cover; the energy module includes a box body and a battery cell module, and the battery cell module is installed in the box body; the box cover covers the opening of the box body; The battery management system includes a power protection board and a power plug, the power protection board is provided with a row of sockets, the power plug is located below the power protection board, and the power plug is connected with the power protection board through power lines; The battery cell module includes a plurality of battery cells, a collection board and a power socket, the plurality of battery cells are located below the collection board and connected with busbars of the collection board, the collection board is provided with a row of sockets, the power socket is connected with the collection board through power lines, and the power plug is connected with the power socket; The row of sockets on the power protection board and the row of sockets on the collection board are connected through sampling lines.

2. The battery of claim 1, wherein, A first insulating plate is arranged in the box cover and located below the power protection board.

3. The battery of claim 1, wherein, A second insulating plate is arranged in the box body and located above the collection board.

4. The battery of claim 1, wherein, A handle is arranged at the top end of the box cover.

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