Battery pack safety protection device

Abstract

The battery pack safety protection device comprises a battery box and a cover plate, an L-shaped heat conduction plate is installed at the bottom of the battery box, penetrating openings are formed in the two ends of the L-shaped heat conduction plate, second heat conduction plates are inserted into the penetrating openings, a limiting frame is fixed to the other side face of the L-shaped heat conduction plate, and the limiting frame is fixed to the bottom of the battery box. A first heat conducting plate is inserted into the limiting frame, the second heat conducting plate and the first heat conducting plate both penetrate through the top of the cover plate, a heat conducting piece is fixed to the top of the L-shaped heat conducting plate, a through groove matched with the heat conducting piece is formed in the position, corresponding to the heat conducting piece, of the top of the cover plate, and the heat conducting piece is fixed in the through groove; a second barrier strip is fixed to the top of the outer wall of the second heat conduction plate, and a second adaptive hole allowing the second heat conduction plate and the second barrier strip to penetrate through is formed in the top of the cover plate. According to the utility model, the battery pack is convenient to take and place and heat conduction is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of battery technology, and in particular to a battery pack safety protection device. Background Technology

[0002] A battery pack typically refers to a power supply system formed by combining multiple battery cells (such as individual cells) in a specific manner (series or parallel). Its main purpose is to provide higher voltage or current to meet the power requirements of specific equipment or systems.

[0003] When using modular battery packs, safety needs to be considered. In the existing technology, the main safety protection technology for battery packs is to install the battery pack in a steel plate reinforced box and use the steel plate reinforced box to protect the battery pack. The drawback of this protection technology is that the heat dissipation effect is poor, and the battery pack is difficult to put in and take out when placed in the box. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a battery pack safety protection device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A battery pack safety protection device includes a battery box and a cover plate. An L-shaped heat-conducting plate is installed at the bottom of the battery box. Both ends of the L-shaped heat-conducting plate have through holes, and a second heat-conducting plate is inserted into the through holes. A limiting frame is fixed to the other side of the L-shaped heat-conducting plate, and a first heat-conducting plate is inserted into the limiting frame. Both the second heat-conducting plate and the first heat-conducting plate are installed through the top of the cover plate.

[0007] Furthermore, a heat-conducting sheet is fixed to the top of the L-shaped heat-conducting plate, and a through groove adapted to the heat-conducting sheet is opened on the top of the cover plate corresponding to the position of the heat-conducting sheet, and the heat-conducting sheet is fixed in the through groove.

[0008] Furthermore, a second baffle is fixed to the top of the outer wall of the second heat-conducting plate, and a second adapter hole is provided on the top of the cover plate for the second heat-conducting plate and the second baffle to pass through.

[0009] Furthermore, the outer wall of the through-hole is provided with an overlap, which is adapted to the second stop bar.

[0010] Furthermore, a first baffle is fixed to the top of the outer wall of the first heat-conducting plate, and a first adapter hole is opened on the top of the cover plate for the first heat-conducting plate and the first baffle to pass through. The limiting frame is fixed to the bottom of the side wall of the cover plate. The first baffle rests on the limiting frame, and the second baffle rests on the opening. When the L-shaped heat-conducting plate is lifted, the top of the first heat-conducting plate and the second heat-conducting plate are flush with the bottom of the L-shaped heat-conducting plate, which will not obstruct the removal of the battery pack and makes it convenient to take out and put in.

[0011] Furthermore, two symmetrical sliders are fixed on the outer wall of the L-shaped heat-conducting plate on the side away from the first heat-conducting plate, and a slide rail for the sliders to slide on the inner wall of the battery box, so that the L-shaped heat-conducting plate moves down stably.

[0012] Furthermore, the bottom of the L-shaped heat-conducting plate is provided with heat dissipation holes evenly distributed, and spacers are evenly fixed to the bottom of the L-shaped heat-conducting plate.

[0013] Furthermore, both ends of the outer wall of the cover plate are fixed with fixing ears, and the cover plate and the battery box are fixed by bolts passing through the fixing ears.

[0014] The beneficial effects of this utility model are as follows:

[0015] This utility model, by employing a battery box, cover plate, L-shaped heat-conducting plate, heat-conducting sheet, limiting frame, first heat-conducting plate, first baffle, first adapter hole, through groove, second heat-conducting plate, second baffle, and second adapter hole, allows the battery pack to be directly pulled out when the cover plate is lifted, facilitating installation and removal. Furthermore, the first heat-conducting plate, second heat-conducting plate, and L-shaped heat-conducting plate all extend beyond the top of the cover plate, close to the battery pack, to conduct heat, thus facilitating battery pack placement and removal and promoting heat conduction.

[0016] This utility model features a limiting frame located at the bottom of the outer wall of an L-shaped heat-conducting plate, with an opening at the through-hole. A first stop bar is fixed to the first heat-conducting plate, and a second stop bar is fixed to the second heat-conducting plate. The first stop bar rests on the limiting frame, and the second stop bar rests on the opening. When the L-shaped heat-conducting plate is lifted, the tops of the first and second heat-conducting plates are flush with the bottom of the L-shaped heat-conducting plate, which does not obstruct the removal of the battery pack and makes it easy to put in and take out. Attached Figure Description

[0017] Figure 1 This is a first three-dimensional structural diagram of the battery pack safety protection device proposed in this utility model.

[0018] Figure 2 This is a second three-dimensional structural diagram of the battery pack safety protection device proposed in this utility model.

[0019] Figure 3This is a partial unfolded three-dimensional structural diagram of the battery pack safety protection device proposed in this utility model;

[0020] Figure 4 The battery pack safety protection device proposed in this utility model Figure 3 A partial three-dimensional structural diagram.

[0021] In the diagram: 1. Battery box; 2. Cover plate; 3. L-shaped heat-conducting plate; 4. Slide rail; 5. Slide bar; 6. Heat-conducting sheet; 7. Spacer bar; 8. Limiting frame; 9. First heat-conducting plate; 10. First baffle bar; 11. First adapter hole; 12. Through groove; 13. Second heat-conducting plate; 14. Second baffle bar; 15. Through opening; 16. Joint; 17. Second adapter hole; 18. Fixing ear. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0024] Reference Figure 1-4 The battery pack safety protection device includes a battery box 1 and a cover plate 2. An L-shaped heat-conducting plate 3 is installed at the bottom of the battery box 1. Both ends of the L-shaped heat-conducting plate 3 are provided with through holes 15, and a second heat-conducting plate 13 is inserted into the through holes 15. A limiting frame 8 is fixed on the other side of the L-shaped heat-conducting plate 3, and a first heat-conducting plate 9 is inserted into the limiting frame 8. Both the second heat-conducting plate 13 and the first heat-conducting plate 9 are set through the top of the cover plate 2.

[0025] In this embodiment, a heat-conducting sheet 6 is fixed on the top of the L-shaped heat-conducting plate 3, and a through groove 12 adapted to the heat-conducting sheet 6 is opened on the top of the cover plate 2 at the position corresponding to the heat-conducting sheet 6, and the heat-conducting sheet 6 is fixed in the through groove 12.

[0026] In this embodiment, a second baffle 14 is fixed to the top of the outer wall of the second heat-conducting plate 13, and a second adapter hole 17 is provided on the top of the cover plate 2 for the second heat-conducting plate 13 and the second baffle 14 to pass through.

[0027] In this embodiment, the outer wall of the through-hole 15 is provided with an overlap 16, which is adapted to the second baffle 14.

[0028] In this embodiment, a first baffle 10 is fixed to the top of the outer wall of the first heat-conducting plate 9. The top of the cover plate 2 is provided with a first adapter hole 11 for the first heat-conducting plate 9 and the first baffle 10 to pass through. The limiting frame 8 is fixed to the bottom of the side wall of the cover plate 2. The first baffle 10 rests on the limiting frame 8. The second baffle 14 rests on the opening 16. When the L-shaped heat-conducting plate 3 is lifted, the top of the first heat-conducting plate 9 and the second heat-conducting plate 13 are flush with the bottom of the L-shaped heat-conducting plate 3, which will not obstruct the removal of the battery pack and makes it convenient to take out and put in.

[0029] In this embodiment, two symmetrical sliders 5 are fixed on the outer wall of the L-shaped heat-conducting plate 3 away from the first heat-conducting plate 9, and a slide rail 4 for the sliders 5 to slide on the inner wall of the battery box 1, so that the L-shaped heat-conducting plate 3 moves down stably.

[0030] In this embodiment, heat dissipation holes are evenly provided at the bottom of the L-shaped heat-conducting plate 3, and spacers 7 are evenly fixed at the bottom of the L-shaped heat-conducting plate 3.

[0031] In this embodiment, both ends of the outer wall of the cover plate 2 are fixed with fixing ears 18, and the cover plate 2 and the battery box 1 are fixed by bolts passing through the fixing ears 18.

[0032] Working principle: Through the design of the battery box 1, cover plate 2, L-shaped heat-conducting plate 3, heat-conducting sheet 6, limiting frame 8, first heat-conducting plate 9, first baffle 10, first adapter hole 11, through groove 12, second heat-conducting plate 13, second baffle 14, and second adapter hole 17, the battery pack is placed on the L-shaped heat-conducting plate 3. When the cover plate 2 is lifted, the battery pack can be directly taken out, which is convenient for installation and removal. At the same time, the first heat-conducting plate 9, the second heat-conducting plate 13, and the L-shaped heat-conducting plate 3 are all provided, and the first heat-conducting plate 9, the second heat-conducting plate 13, and the L-shaped heat-conducting plate 3 all extend through the top of the cover plate 2, close to the battery pack. The battery pack serves as a heat conductor, and the first heat-conducting plate 9 and the second heat-conducting plate 13 can slide without obstructing the removal and placement of the battery pack. The limiting frame 8 is located at the bottom of the outer wall of the L-shaped heat-conducting plate 3, and an opening 16 is provided on the through-hole 15. A first baffle 10 is fixed on the first heat-conducting plate 9, and a second baffle 14 is fixed on the second heat-conducting plate 13. The first baffle 10 rests on the limiting frame 8, and the second baffle 14 rests on the opening 16. When the L-shaped heat-conducting plate 3 is lifted, the tops of the first heat-conducting plate 9 and the second heat-conducting plate 13 are flush with the bottom of the L-shaped heat-conducting plate 3, which will not obstruct the removal of the battery pack and makes it easy to remove and place.

[0033] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0034] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0035] The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A battery pack safety protection device, comprising a battery box (1) and a cover plate (2), characterized in that, An L-shaped heat-conducting plate (3) is installed at the bottom of the battery box (1). Both ends of the L-shaped heat-conducting plate (3) have through holes (15), and a second heat-conducting plate (13) is inserted into the through holes (15). A limiting frame (8) is fixed on the other side of the L-shaped heat-conducting plate (3), and a first heat-conducting plate (9) is inserted into the limiting frame (8). The second heat-conducting plate (13) and the first heat-conducting plate (9) are both installed through the top of the cover plate (2).

2. The battery pack safety protection device according to claim 1, characterized in that, The top of the L-shaped heat-conducting plate (3) is fixed with a heat-conducting sheet (6), and the top of the cover plate (2) is provided with a through groove (12) that is compatible with the heat-conducting sheet (6), and the heat-conducting sheet (6) is fixed in the through groove (12).

3. The battery pack safety protection device according to claim 2, characterized in that, The top of the outer wall of the second heat-conducting plate (13) is fixed with a second baffle (14), and the top of the cover plate (2) is provided with a second adapter hole (17) for the second heat-conducting plate (13) and the second baffle (14) to pass through.

4. The battery pack safety protection device according to claim 3, characterized in that, The outer wall of the through-hole (15) is provided with an opening (16), which is adapted to the second baffle (14).

5. The battery pack safety protection device according to claim 4, characterized in that, The top of the outer wall of the first heat-conducting plate (9) is fixed with a first baffle (10), the top of the cover plate (2) is provided with a first adapter hole (11) for the first heat-conducting plate (9) and the first baffle (10) to pass through, and the limiting frame (8) is fixed at the bottom of the side wall of the cover plate (2), and the first baffle (10) rests on the limiting frame (8).

6. The battery pack safety protection device according to claim 1, characterized in that, Two symmetrical sliders (5) are fixed on the outer wall of the L-shaped heat-conducting plate (3) away from the first heat-conducting plate (9), and a slide rail (4) for the sliders (5) to slide is fixed on the inner wall of the battery box (1).

7. The battery pack safety protection device according to claim 1, characterized in that, The bottom of the L-shaped heat-conducting plate (3) is provided with heat dissipation holes evenly, and the bottom of the L-shaped heat-conducting plate (3) is provided with spacers (7) evenly.

8. The battery pack safety protection device according to claim 1, characterized in that, Both ends of the outer wall of the cover plate (2) are fixed with fixing ears (18), and the cover plate (2) and the battery box (1) are fixed by bolts passing through the fixing ears (18).

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