Battery protection board

Abstract

The utility model relates to the technical field of protection plates, and discloses a battery protection plate which comprises a protection bottom plate, the upper surface of the protection bottom plate is fixedly connected with a fixing plate, the interior of the fixing plate is fixedly connected with a rotating shaft, the outer wall of the rotating shaft is rotatably connected with a sliding rod, the interior of the fixing plate is slidably connected with a sliding block, and the sliding block is fixedly connected with the fixing plate. And one end of the sliding rod is slidably connected to the interior of the sliding block, the outer wall of the sliding block is fixedly connected with a first telescopic rod, the outer wall of the first telescopic rod is sleeved with a first spring, one end of the first spring is fixedly connected to the outer wall of the sliding block, and the other end of the first spring is fixedly connected to the interior of the fixing plate. According to the utility model, the card is firstly inserted into the fixing plate, so that the problem that the flexible circuit board is difficult to replace when being damaged is solved, and the effects that the flexible circuit board is convenient to replace, the service life of the battery protection plate is prolonged, the maintenance efficiency of the battery protection plate is improved, and the cost generated by maintaining or replacing the whole battery protection plate is reduced are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of protection plates, in particular to a battery protection plate. Background Art

[0002] The battery protection board is an integrated circuit board that is mainly used to protect rechargeable batteries, especially lithium batteries, from damage due to overcharging, overdischarging, overcurrent, short circuit, and ultra-high temperature charging and discharging. Due to the characteristics of the internal materials and working principles of lithium batteries, this protection is essential to ensure the safety of the battery and extend its service life.

[0003] After searching, a battery protection board is disclosed in the announcement number: CN219576634U, including a substrate, a main control circuit board and a contact piece, wherein the contact piece is embedded in the interior of the substrate, the main control circuit board is arranged on the top surface of the substrate, the surface of the main control circuit board is provided with a pin, the pin passes through the channel to be electrically connected with the contact piece, the end of the pin is provided with a connector, the connector is arranged on the surface of the contact piece, the top surface of the substrate is provided with an isolation pad, and the isolation pad is arranged between the main control circuit board and the substrate; the utility model is a battery protection board, when the battery temperature is too high, the temperature sensor can detect the high temperature of the battery in real time and feed back the high temperature information to the controller, the battery temperature is too high to cause expansion, so that the pressure on the pressure sensor increases, the pressure sensor feeds back the pressure information to the controller, realizes the monitoring function, and the temperature is too high to automatically cut off the power, in this application, the high temperature of the substrate can be temporarily isolated by the isolation pad to prevent the substrate temperature from being too high and affecting the main control circuit board, so that when the flexible circuit board is damaged, the battery needs to be replaced as a whole, thereby increasing the maintenance cost and being not suitable for daily use. Utility Model Content

[0004] In order to make up for the above deficiencies, the utility model provides a battery protection board, which aims to improve the problem that when the flexible circuit board is damaged, the battery needs to be replaced as a whole, thereby increasing the maintenance cost.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a battery protection plate, comprising a protection base plate, the upper surface of the protection base plate is fixedly connected to a fixing plate, the interior of the fixing plate is fixedly connected to a rotating shaft, the outer wall of the rotating shaft is rotatably connected to a sliding rod, the interior of the fixing plate is slidably connected to a sliding block, one end of the sliding rod is slidably connected to the interior of the sliding block, the outer wall of the sliding block is fixedly connected to a telescopic rod 1, the outer wall of the telescopic rod 1 is sleeved with a spring 1, one end of the spring 1 is fixedly connected to the outer wall of the sliding block, the other end of the spring 1 is fixedly connected to the interior of the fixing plate, the interior of the sliding block is rotatably connected to the rotating plate, the lower surface of the rotating plate is provided with a telescopic rod 2, the outer wall of the telescopic rod 2 is sleeved with a spring 2, one end of the spring 2 is fixedly connected to the lower surface of the rotating plate, the other end of the spring 2 is fixedly connected to the interior of the sliding block, the interior of the fixing plate is fixedly connected with a baffle, the upper surface of the protection base plate is fixedly connected to a main control board, and the upper surface of the protection base plate is provided with a heat dissipation component.

[0006] Furthermore, the heat dissipation assembly includes a heat dissipation plate and a protective shell, the upper surface of the heat dissipation plate is fixedly connected to the inner wall of the protective shell, and the lower surface of the protective shell is fixedly connected to the upper surface of the protective base plate.

[0007] Furthermore, a clamping block is slidably connected inside the fixing plate, a transparent cover is provided on the upper surface of the protective bottom plate, and a sealing plate is fixedly connected to the lower surface of the transparent cover.

[0008] Furthermore, the sealing plate is fitted with the protective bottom plate, a positioning block is fixedly connected to the inside of the transparent cover, and an outer wall of the positioning block is slidably connected to the inside of the protective bottom plate.

[0009] Furthermore, the internal thread of the positioning block is connected to a threaded rod, and one end of the threaded rod is fixedly connected to a push block.

[0010] Furthermore, a slide plate is slidably connected to the interior of the positioning block, and an outer wall of the slide plate is slidably connected to the interior of the protective bottom plate.

[0011] Furthermore, a fixing block is fixedly connected to the outer wall of the slide plate, and a telescopic rod three is fixedly connected to the outer wall of the fixing block.

[0012] Furthermore, a spring three is sleeved on the outer wall of the telescopic rod three, and both ends of the spring three are fixedly connected to the outer wall of the fixed block.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, the card is first inserted into the fixed plate, and then the slider, slide bar, baffle, spring and rotating plate are used to fix the card block inside the fixed plate, and the card block is pushed again. At this time, the spring is used to pull the slider back to its original position, and the baffle pushes the rotating plate back into the slider, thereby releasing the restriction on the card block, realizing the installation and disassembly of the flexible circuit board, solving the problem that the flexible circuit board is difficult to replace when it is damaged, facilitating the replacement of the flexible circuit board, improving the service life and maintenance efficiency of the battery protection board, and reducing the cost caused by repairing or replacing the entire battery protection board.

[0015] 2. In the utility model, firstly, the protective shell has a built-in heat sink and through holes to provide protection and heat dissipation for the built-in main control board, and then the transparent cover is easy to install and disassemble by rotating the threaded rod, cooperating with the push block, the slide plate, the protective bottom plate and the spring, so as to achieve the effect of quickly disassembling and assembling the transparent cover, facilitating daily maintenance and extending the service life of the battery protection board and its internal components. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of a battery protection board proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of a fixing plate of a battery protection plate proposed by the utility model;

[0018] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 This is a schematic diagram of the internal structure of a protective shell of a battery protection board proposed by the utility model;

[0020] Figure 5 This is a schematic diagram of the internal structure of a transparent cover of a battery protection plate proposed by the utility model;

[0021] Figure 6 The utility model is a schematic diagram of the internal structure of a positioning block of a battery protection board.

[0022] Legend:

[0023] 1. Protective bottom plate; 2. Fixed plate; 3. Rotating shaft; 4. Sliding rod; 5. Sliding block; 6. Telescopic rod one; 7. Spring one; 8. Rotating plate; 9. Telescopic rod two; 10. Spring two; 11. Block; 12. Main control board; 13. Heat sink; 14. Protective shell; 15. Transparent cover; 16. Sealing plate; 17. Positioning block; 18. Threaded rod; 19. Push block; 20. Slide plate; 21. Fixed block; 22. Telescopic rod three; 23. Spring three; 24. Baffle. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Reference Figure 1-3 , the utility model provides an embodiment: a battery protection plate, including a protection base plate 1, the upper surface of the protection base plate 1 is fixedly connected with a fixed plate 2, the interior of the fixed plate 2 is fixedly connected with a rotating shaft 3, the outer wall of the rotating shaft 3 is rotatably connected with a sliding bar 4, the interior of the fixed plate 2 is slidably connected with a sliding block 5, one end of the sliding bar 4 is slidably connected to the interior of the sliding block 5, the outer wall of the sliding block 5 is fixedly connected with a telescopic rod 6, the outer wall of the telescopic rod 6 is sleeved with a spring 7, one end of the spring 7 is fixedly connected to the outer wall of the sliding block 5, the other end of the spring 7 is fixedly connected to the interior of the fixed plate 2, the interior of the sliding block 5 is rotatably connected with a rotating plate 8, the lower surface of the rotating plate 8 is provided with a telescopic rod 2 9, the outer wall of the telescopic rod 2 9 is sleeved with a spring 2 10, one end of the spring 2 10 is fixedly connected to the lower surface of the rotating plate 8, the other end of the spring 2 10 is fixedly connected to the interior of the sliding block 5, the interior of the fixed plate 2 is fixedly connected with a baffle 24, the upper surface of the protection base plate 1 is fixedly connected with a main control board 12, and the upper surface of the protection base plate 1 is provided with a heat dissipation component;

[0026] When the slider 5 is in the state of being moved to the left by the spring 24, the slider 5 is moved to the right by the spring 24.

[0027] Reference Figure 1 and Figure 4The heat dissipation assembly includes a heat dissipation plate 13 and a protective shell 14, the upper surface of the heat dissipation plate 13 is fixedly connected to the inner wall of the protective shell 14, and the lower surface of the protective shell 14 is fixedly connected to the upper surface of the protective base plate 1;

[0028] Specifically, the main control board 12 is protected by the protective shell 14 , and a heat sink 13 is provided on the inner wall of the protective shell 14 , which cooperates with the through holes preset inside the protective shell 14 to efficiently dissipate heat for the main control board 12 .

[0029] Reference Figure 1 , Figure 5 and Figure 6 The fixing plate 2 is internally slidably connected with a card block 11, the upper surface of the protective base plate 1 is provided with a transparent cover 15, the lower surface of the transparent cover 15 is fixedly connected with a sealing plate 16, the sealing plate 16 is fitted with the protective base plate 1, the transparent cover 15 is internally fixedly connected with a positioning block 17, the outer wall of the positioning block 17 is slidably connected to the inside of the protective base plate 1, the internal thread of the positioning block 17 is threadedly connected with a threaded rod 18, one end of the threaded rod 18 is fixedly connected with a push block 19, the internal sliding connection of the positioning block 17 is connected with a slide plate 20, the outer wall of the slide plate 20 is slidably connected to the inside of the protective base plate 1, the outer wall of the slide plate 20 is fixedly connected with a fixed block 21, the outer wall of the fixed block 21 is fixedly connected with a telescopic rod three 22, the outer wall of the telescopic rod three 22 is provided with a spring three 23, and both ends of the spring three 23 are fixedly connected to the outer wall of the fixed block 21;

[0030] Specifically, firstly, the threaded rod 18 is rotated to drive the push block 19 to rotate inside the positioning block 17, so as to realize precise control of the slide plate 20, and push the slide plate 20 to the inside of the protective base plate 1, so as to achieve the effect of fixing the transparent cover 15 and the protective base plate 1. When the transparent cover 15 needs to be removed, it is only necessary to rotate the threaded rod 18 in the opposite direction, and the slide plate 20 is driven to move to the inside of the positioning block 17 by the rebound of the spring three 23, so that the transparent cover 15 can be easily disassembled and assembled.

[0031] Working principle: when the battery protection board is needed, first align the card block 11 with the fixed plate 2 and insert it. At this time, the beveled edges on both sides of the card block 11 will drive the slider 5 to slide inside the fixed plate 2, so that one end of the slide bar 4 slides in the preset slide groove inside the slider 5. When the slide bar 4 slides to the place where the slide groove inside the slider 5 is recessed, the slide bar 4 can be restricted. At the same time, the movement of the slider 5 drives the rotating plate 8 to move out from under the baffle 24. Under the push of the spring 2 10, one end of the rotating plate 8 slides to the inside of the card block 11, fixes the card block 11 and the slider 5, thereby fixing the card block 11 inside the fixed plate 2, and then push the card block 11 to slide inside the fixed plate 2 again, so that one end of the slide bar 4 slides inside the slider 5 again, and then cooperates with the spring 1 7 to pull the slider 5 back to its original position During this process, the baffle 24 is used to push the rotating plate 8 to the inside of the slider 5 again, so that the card block 11 is no longer restricted, and the card block 11 can be removed, thereby achieving the effect of disassembling and assembling the flexible circuit board, and then the main control board 12 is protected by the protective shell 14, and the heat dissipation plate 13 on the inner wall of the protective shell 14 cooperates with the preset through holes in the protective shell 14 to dissipate heat for the main control board 12, and finally, the push block 19 is driven to rotate inside the positioning block 17 by rotating the threaded rod 18, so as to apply pressure to the slide plate 20, and the two slide plates 20 are respectively pushed to the inside of the protective bottom plate 1, and the transparent cover 15 is fixed between the protective bottom plate 1, and then the slide plate 20 is driven back to the inside of the positioning block 17 by the reverse rotation of the threaded rod 18 and the rebound of the spring three 23, thereby achieving the effect of disassembling and assembling the transparent cover 15.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A battery protection board, comprising a protection base plate (1), characterized in that: The upper surface of the protective bottom plate (1) is fixedly connected to a fixed plate (2), the interior of the fixed plate (2) is fixedly connected to a rotating shaft (3), the outer wall of the rotating shaft (3) is rotatably connected to a sliding rod (4), the interior of the fixed plate (2) is slidably connected to a sliding block (5), one end of the sliding rod (4) is slidably connected to the interior of the sliding block (5), the outer wall of the sliding block (5) is fixedly connected to a telescopic rod (6), the outer wall of the telescopic rod (6) is sleeved with a spring (7), one end of the spring (7) is fixedly connected to the outer wall of the sliding block (5), and the other end of the spring (7) is fixedly connected to the outer wall of the sliding block (5). The interior of the fixed plate (2) and the interior of the sliding block (5) are rotatably connected to a rotating plate (8); a second telescopic rod (9) is provided on the lower surface of the rotating plate (8); a second spring (10) is sleeved on the outer wall of the second telescopic rod (9); one end of the second spring (10) is fixedly connected to the lower surface of the rotating plate (8); the other end of the second spring (10) is fixedly connected to the interior of the sliding block (5); a baffle (24) is fixedly connected to the interior of the fixed plate (2); a main control board (12) is fixedly connected to the upper surface of the protective bottom plate (1); and a heat dissipation component is provided on the upper surface of the protective bottom plate (1).

2. A battery protection board according to claim 1, characterized in that: The heat dissipation assembly comprises a heat dissipation plate (13) and a protective shell (14); the upper surface of the heat dissipation plate (13) is fixedly connected to the inner wall of the protective shell (14); and the lower surface of the protective shell (14) is fixedly connected to the upper surface of the protective base plate (1).

3. A battery protection board according to claim 1, characterized in that: A clamping block (11) is slidably connected inside the fixing plate (2), a transparent cover (15) is provided on the upper surface of the protective bottom plate (1), and a sealing plate (16) is fixedly connected to the lower surface of the transparent cover (15).

4. A battery protection board according to claim 3, characterized in that: The sealing plate (16) is fitted with the protective bottom plate (1), a positioning block (17) is fixedly connected inside the transparent cover (15), and an outer wall of the positioning block (17) is slidably connected inside the protective bottom plate (1).

5. A battery protection board according to claim 4, characterized in that: The internal thread of the positioning block (17) is connected to a threaded rod (18), and one end of the threaded rod (18) is fixedly connected to a push block (19).

6. A battery protection board according to claim 4, characterized in that: The interior of the positioning block (17) is slidably connected to a slide plate (20), and the outer wall of the slide plate (20) is slidably connected to the interior of the protective bottom plate (1).

7. A battery protection board according to claim 6, characterized in that: The outer wall of the slide plate (20) is fixedly connected to a fixing block (21), and the outer wall of the fixing block (21) is fixedly connected to a telescopic rod three (22).

8. A battery protection board according to claim 7, characterized in that: The outer wall of the telescopic rod three (22) is sleeved with a spring three (23), and both ends of the spring three (23) are fixedly connected to the outer wall of the fixed block (21).

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