Protective plate support structure and battery

Abstract

The utility model relates to the technical field of batteries, and discloses a protection plate support structure and a battery, the protection plate support structure comprises a battery box and a cover plate, the two sides of the bottom of the cover plate are fixedly connected with rubber pads, the bottom of each rubber pad is fixedly connected with a battery protection plate assembly, and the battery protection plate assembly comprises a battery protection plate body. A capacitor, a resistor and an MOS (Metal Oxide Semiconductor) tube are sequentially arranged at the top of the battery protection plate body, and an electrode plate matched with a battery body for use is arranged at the bottom of the battery protection plate body. Through the arrangement of the battery box and the cover plate, multiple groups of battery bodies can be mounted at one time, the arrangement of the rubber pads can apply elastic force to the battery protection plate bodies, the tight fitting degree between the electrode plates at the bottoms of the battery protection plate bodies and the battery bodies is increased, and through the arrangement of the clamping assemblies, the cover plate can be conveniently disassembled and assembled; therefore, the battery body can be conveniently replaced and maintained, and the replacement efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a protection board support structure and a battery. Background Technique

[0002] Lithium-ion batteries have the advantages of large energy density and small volume. Single battery cells can be connected in series and parallel to change the voltage and capacity to form a battery module, making it applicable to various electric tool products. With the vigorous development of lithium-ion batteries, the requirements for the safety performance and cost of battery packs are getting higher and higher. A battery pack is generally composed of a battery module and a protection board. The protection board can protect the battery module, and the protection board is fixed to it through a bracket on the battery module. The existing fixing method is relatively old, generally using screws for fixing, which is inconvenient to operate.

[0003] The current fixing method of the protection board and the battery module is to lock the screws. This method is cumbersome to operate. It is necessary to reserve screw holes on the protection board and then use screws to lock the protection board on the bracket of the battery module during assembly. The screws require material costs and the operation of locking the screws requires labor costs. This method has a high cost. Content of the Utility Model

[0004] Aiming at the problems existing in the prior art, the purpose of the utility model is to provide a protection board support structure and a battery to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A protection board support structure includes a battery box and a cover plate. Rubber pads are fixedly connected to both sides of the bottom of the cover plate. A battery protection board assembly is fixedly connected to the bottom of the rubber pad. The battery protection board assembly includes a battery protection board body. Capacitors, resistors and MOS tubes are sequentially arranged on the top of the battery protection board body. Electrode sheets for cooperating with the battery body are arranged at the bottom of the battery protection board body.

[0006] Clamping components are arranged on both sides of the battery box and the cover plate. Activity grooves are opened on both sides of the inner cavity of the cover plate. A clamping block is arranged in the inner cavity of the activity groove. One end of the clamping block is fixedly connected to an activity rod. A spring is sleeved on the surface of the activity rod. Clamping grooves for cooperating with the clamping blocks are opened on both sides of the battery box.

[0007] By adopting the above technical solution, by setting the battery box and the cover plate, multiple groups of battery bodies can be installed at one time. The setting of the rubber pad can apply an elastic force to the battery protection board body, increasing the tight fit between the electrode sheet at the bottom of the battery protection board body and the battery body. Through the setting of the clamping components, it is convenient to disassemble and assemble the cover plate, so that it is convenient to replace and maintain the battery body, and the replacement efficiency is improved.

[0008] Preferably, a limiting plate is fixedly connected to the bottom of the inner cavity of the battery box, and a battery slot is provided in the inner cavity of the limiting plate.

[0009] By adopting the above technical solution, it is convenient to place and install the battery, and the stability during placement is increased.

[0010] Preferably, sliding grooves are provided at both the top and bottom of the inner cavity of the movable slot, sliders are slidably connected in the inner cavities of the sliding grooves, and one end of each slider far away from the sliding groove is fixedly connected to a clamping block.

[0011] By adopting the above technical solution, the clamping block can be limited and guided to move, and the stability of the clamping block during movement is increased.

[0012] Preferably, a maintenance door is provided on the top of the cover plate, and heat dissipation holes are provided on the surface of the maintenance door.

[0013] By adopting the above technical solution, it is convenient to maintain the electronic components on the battery protection plate body.

[0014] Preferably, the other end of the movable rod is fixedly connected to a pull handle, and anti-slip lines are provided on the surface of the pull handle.

[0015] Preferably, heat dissipation openings are provided on both the front and back surfaces of the battery box, and an air inlet fan and an air outlet fan are respectively provided in the inner cavities of the two heat dissipation openings.

[0016] By adopting the above technical solution, the air circulation in the battery box can be accelerated, and the heat dissipation effect can be improved.

[0017] The embodiment of the present application further provides a battery, including a battery body and the battery protection plate according to any one of the claims, and the battery protection plate body is electrically connected to the battery body through an electrode sheet.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0019] By providing the battery box and the cover plate, the present utility model can install multiple groups of battery bodies at one time. The rubber pad can apply an elastic force to the battery protection plate body, increasing the tight fit degree between the electrode sheet at the bottom of the battery protection plate body and the battery body. Through the setting of the clamping component, it is convenient to disassemble and assemble the cover plate, so that it is convenient to replace and maintain the battery body, and the replacement efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural diagram of the present utility model;

[0021] Figure 2 is a structural sectional view of the present utility model;

[0022] Figure 3Structure of the present utility model Figure 2 Partial enlarged view of location A in

[0023] Figure 4 Stereogram of the battery body in the structure of the present utility model

[0024] Figure 5 Bottom view of the battery protection board body in the structure of the present utility model

[0025] Figure 6 Side sectional view of the battery box in the structure of the present utility model

[0026] In the figure: 1. Battery box; 2. Cover plate; 3. Battery body; 4. Rubber pad; 5. Battery protection board assembly; 501. Battery protection board body; 502. Capacitor; 503. Resistor; 504. MOS tube; 505. Electrode plate; 6. Clamping assembly; 601. Activity groove; 602. Clamping block; 603. Activity rod; 604. Spring; 605. Card slot; 7. Limiting plate; 8. Battery slot; 9. Slide groove; 10. Slide block; 11. Maintenance door; 12. Heat dissipation hole; 13. Pull handle; 14. Heat dissipation port; 15. Inlet fan; 16. Outlet fan. Specific embodiments

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0028] Embodiment 1:

[0029] Please refer to Figures 1-6, A protection board support structure, including a battery box 1 and a cover plate 2. Rubber pads 4 are fixedly connected to both sides of the bottom of the cover plate 2. The bottom of the rubber pad 4 is fixedly connected to a battery protection board assembly 5. The battery protection board assembly 5 includes a battery protection board body 501. A capacitor 502, a resistor 503, and a MOS transistor 504 are sequentially arranged on the top of the battery protection board body 501. An electrode plate 505 for cooperating with the battery body 3 is arranged at the bottom of the battery protection board body 501; Clamping components 6 are arranged on both sides of the battery box 1 and the cover plate 2. Activity slots 601 are opened on both sides of the inner cavity of the cover plate 2. A clamping block 602 is arranged in the inner cavity of the activity slot 601. One end of the clamping block 602 is fixedly connected to an activity rod 603. A spring 604 is sleeved on the surface of the activity rod 603. Clamping slots 605 for cooperating with the clamping block 602 are opened on both sides of the battery box 1. By setting the battery box 1 and the cover plate 2, multiple groups of battery bodies 3 can be installed at one time. The setting of the rubber pad 4 can apply an elastic force to the battery protection board body 501, increasing the tight fit degree between the electrode plate 505 at the bottom of the battery protection board body 501 and the battery body 3. Through the setting of the clamping component 6, it is convenient to disassemble and assemble the cover plate 2, so that it is convenient to replace and maintain the battery body 3, improving the replacement efficiency.

[0030] Embodiment 2:

[0031] Please refer to Figures 1-6 , A protection board support structure, including a battery box 1 and a cover plate 2. A limiting plate 7 is fixedly connected to the bottom of the inner cavity of the battery box 1. A battery slot 8 is opened in the inner cavity of the limiting plate 7, which can facilitate the placement and installation of the battery and increase the stability during placement. Sliding slots 9 are opened at the top and bottom of the inner cavity of the activity slot 601. A slider 10 is slidably connected in the inner cavity of the sliding slot 9. The end of the slider 10 away from the sliding slot 9 is fixedly connected to the clamping block 602, which can limit and guide the movement of the clamping block 602 and increase the stability of the clamping block 602 during movement. A maintenance door 11 is arranged on the top of the cover plate 2. Heat dissipation holes 12 are arranged on the surface of the maintenance door 11, which can facilitate the maintenance of the electronic components on the battery protection board body 501. The other end of the activity rod 603 is fixedly connected to a pull handle 13. Anti-slip patterns are arranged on the surface of the pull handle 13. Heat dissipation ports 14 are arranged on the front and back surfaces of the battery box 1. An air inlet fan 15 and an air outlet fan 16 are respectively arranged in the inner cavities of the two heat dissipation ports 14, which can accelerate the air circulation in the battery box 1 and improve the heat dissipation effect.

[0032] Embodiment 3:

[0033] Please refer to Figure 2 and Figure 4 , A battery, including a battery body 3 and the battery protection board according to any one of claims 1-6. The battery protection board body 501 is electrically connected to the battery body 3 through the electrode plate 505, which can facilitate the use of the battery.

[0034] The working principle is as follows:

[0035] When in use, multiple battery bodies 3 are placed in the battery slots 8 within the limiting plate 7. Multiple battery bodies 3 can be installed at one time, and then the cover plate 2 is covered. At this time, the clamping block 602 enters the clamping groove 605, which facilitates the clamping and disassembly of the cover plate 2. At the same time, the rubber pad 4 is provided to apply an elastic force to the battery protection plate body 501, increasing the tight fit between the electrode plate 505 at the bottom of the battery protection plate body 501 and the battery body 3, and improving the stability of battery use;

[0036] When the battery is damaged, the user can pull the pull handle 13 to move the movable rod 603 to drive the clamping block 602 out of the clamping groove 605. At this time, the cover plate 2 can be quickly disassembled, so as to facilitate the replacement and maintenance of the battery body 3 and improve the replacement efficiency;

[0037] The setting of the inspection door 11 facilitates the maintenance of the electronic components on the battery protection plate body 501. At the same time, the setting of the air inlet fan 15 and the air outlet fan 16 can accelerate the air circulation in the battery box 1 and improve the heat dissipation effect.

[0038] In summary: For this protection plate support structure and battery, by setting the battery box 1 and the cover plate 2, multiple battery bodies 3 can be installed at one time. The rubber pad 4 is provided to apply an elastic force to the battery protection plate body 501, increasing the tight fit between the electrode plate 505 at the bottom of the battery protection plate body 501 and the battery body 3. Through the setting of the clamping component 6, it is convenient to disassemble and assemble the cover plate 2, so as to facilitate the replacement and maintenance of the battery body 3 and improve the replacement efficiency.

[0039] The standard parts used in this application document can all be purchased from the market, and can also be customized according to the records of the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, welding, etc. that are mature in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatically controlled by a controller, and the control circuit of the controller can be realized by simple programming by those skilled in the art, which belongs to the common knowledge in this field. And this application document is mainly used to protect mechanical devices, so the control method and circuit connection will not be explained in detail in this application document.

[0040] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protective plate support structure, comprising a battery box (1) and a cover plate (2), characterized in that: Both sides of the bottom of the cover plate (2) are fixedly connected to rubber pads (4), the bottom of the rubber pad (4) is fixedly connected to a battery protection board assembly (5), the battery protection board assembly (5) comprises a battery protection board body (501), a capacitor (502), a resistor (503) and a MOS tube (504) are sequentially arranged on the top of the battery protection board body (501), and an electrode sheet (505) used in conjunction with the battery body (3) is arranged on the bottom of the battery protection board body (501); Both sides of the battery box (1) and the cover plate (2) are provided with a snap-fit assembly (6); both sides of the inner cavity of the cover plate (2) are provided with a movable groove (601); the inner cavity of the movable groove (601) is provided with a clamping block (602); one end of the clamping block (602) is fixedly connected to a movable rod (603); a spring (604) is sleeved on the surface of the movable rod (603); and both sides of the battery box (1) are provided with a clamping groove (605) used in conjunction with the clamping block (602).

2. The protective plate support structure according to claim 1, characterized in that: The bottom of the inner cavity of the battery box (1) is fixedly connected to a limit plate (7), and the inner cavity of the limit plate (7) is provided with a battery slot (8).

3. The protective plate support structure according to claim 1, characterized in that: A sliding groove (9) is provided at the top and bottom of the inner cavity of the movable groove (601), and a slider (10) is slidably connected to the inner cavity of the sliding groove (9), and the end of the slider (10) away from the sliding groove (9) is fixedly connected to the block (602).

4. The protective plate support structure according to claim 1, characterized in that: An inspection door (11) is provided on the top of the cover plate (2), and a heat dissipation hole (12) is provided on the surface of the inspection door (11).

5. The protective plate support structure according to claim 1, characterized in that: The other end of the movable rod (603) is fixedly connected to a pull handle (13), and the surface of the pull handle (13) is provided with anti-slip grooves.

6. The protective plate support structure according to claim 1, characterized in that: The battery box (1) is provided with heat dissipation openings (14) on both the surface and the back, and the inner cavities of the two heat dissipation openings (14) are provided with an air inlet fan (15) and an air outlet fan (16), respectively.

7. A battery, characterized in that: The invention comprises a battery body (3) and a battery protection board according to any one of claims 1 to 6, wherein the battery protection board body (501) is electrically connected to the battery body (3) via an electrode sheet (505).

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