Assembled lithium battery protection plate

Abstract

The utility model discloses an assembled lithium battery protection plate which comprises a lithium battery protection shell main body, the lithium battery protection shell main body comprises a sealing upper cover plate and a bottom cover plate, a detachable structure is arranged between the sealing upper cover plate and the bottom cover plate, and a lithium battery main body is arranged in the bottom cover plate. A positioning groove pipe is arranged at the corresponding position of the inner bottom end of the bottom cover plate, the positioning plate protection plate is embedded and fixed with the positioning groove pipe through a positioning guide column, the sealing upper cover plate and the bottom cover plate are provided with limiting protection rings, an annular clamping groove is formed in the inner side surface wall of the bottom cover plate, and the limiting protection rings and the annular clamping groove are correspondingly clamped and fixed. According to the utility model, the lithium battery is conveniently sealed and protected, the sealing upper cover plate and the bottom cover plate which are conveniently assembled are arranged, the positioning plate protection plate is arranged in the structure, so that the lithium battery main body can be conveniently and accurately positioned, supported and protected, and the lithium battery can be effectively prevented from deviating and shaking in cooperation with the limiting protection ring structure.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery components, and specifically relates to an assembled lithium battery protection board. Background Technique

[0002] The lithium battery protection board protects the charging and discharging of a series-connected lithium battery pack; when fully charged, it can ensure that the voltage difference between each single battery is less than the set value, realizing the equal charging of each single battery in the battery pack, and effectively improving the charging effect in the series charging mode; at the same time, it detects the overvoltage, undervoltage, overcurrent, short circuit, and over-temperature states of each single battery in the battery pack, protecting and prolonging the service life of the battery.

[0003] The Chinese authorized patent document with the publication number CN218648012U provides an assembled lithium battery protection board, which relates to the technical field of lithium batteries. The assembled lithium battery protection board includes: a lithium battery body, on the upper surface of the lithium battery body, there is a T-shaped slide rail with one end open; and above the lithium battery body, there is a lithium battery protection board body; a telescopic connecting plate, the telescopic connecting plate is fixedly connected to the lower surface of the lithium battery protection board body, and a T-shaped slider is fixedly connected to the lower surface of the telescopic connecting plate, and the T-shaped slider is slidably connected in the T-shaped slide rail; an elastic heat conduction mechanism, the upper end of the elastic heat conduction mechanism is connected to the lithium battery protection board body, and the lower end of the elastic heat conduction mechanism is in contact connection with the upper surface of the lithium battery body; a limiting mechanism, the limiting mechanism is connected to the upper surface of the lithium battery body. The assembled lithium battery protection board provided by the utility model has the advantage of low failure rate.

[0004] In the above-mentioned prior art, the lithium battery cannot be well-positioned and safely protected, which easily causes the lithium battery to shake and shift in position during intense operation of the device. Therefore, it is necessary to develop a new type of assembled lithium battery protection board. Content of the Utility Model

[0005] The purpose of the utility model is to provide an assembled lithium battery protection board to solve the problem in the above-mentioned background technique that the prior art cannot provide good positioning and safety protection for the lithium battery, which easily causes the lithium battery to shake and shift in position during intense operation of the device.

[0006] To achieve the above object, the present utility model provides the following technical solutions: An assembled lithium battery protection board, including a main body of a lithium battery protective case, the main body of the lithium battery protective case includes a sealed upper cover plate and a bottom cover plate, and the structure between the sealed upper cover plate and the bottom cover plate is detachable. A lithium battery main body is installed inside the bottom cover plate, a positioning plate protection board is arranged at the lower end of the lithium battery main body, positioning guide posts are arranged at the bottom end of the positioning plate protection board, and positioning groove tubes are arranged at corresponding positions at the inner bottom end of the bottom cover plate. The positioning plate protection board is fixedly fitted with the positioning groove tubes through the positioning guide posts. The sealed upper cover plate and the bottom cover plate are provided with a limiting protection ring, and an annular card slot is arranged on the inner surface of the bottom cover plate, and the limiting protection ring is fixedly clamped with the annular card slot in correspondence.

[0007] Preferably, a card slot structure is arranged on the outer surface of the bottom cover plate, and hinge fixing slot holes are arranged inside the card slot structure.

[0008] Preferably, a handle structure is installed on the bottom cover plate, and hinge shafts are arranged at both ends of the handle structure.

[0009] Preferably, the handle structure is movably connected to the hinge fixing slot holes through the hinge shafts in correspondence.

[0010] Preferably, the lithium battery main body is fixedly fitted with the inner surface of the limiting protection ring.

[0011] Preferably, a circuit board is installed inside the bottom cover plate, and the circuit board is located directly below the positioning plate protection board.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] The present utility model provides convenient sealing protection for the lithium battery, is provided with a sealed upper cover plate and a bottom cover plate structure for convenient assembly, and is installed with a positioning plate protection board inside to facilitate precise positioning and support protection for the lithium battery main body. Cooperating with the limiting protection ring structure can effectively prevent the lithium battery from shifting and shaking, thereby playing a good limiting and safety protection effect. The present utility model realizes convenient assembly and fixation of the main body of the lithium battery protective case, and convenient assembly and fixation of the lithium battery to form a shape, having the advantages of convenient installation and disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0015] Figure 2 is a schematic diagram of the bottom structure of the present utility model;

[0016] Figure 3 is an exploded view of the present utility model;

[0017] Figure 4Schematic diagram of the internal installation structure of the present utility model.

[0018] In the figure: 1. Sealed upper cover plate; 2. Handle structure; 3. Main body of lithium battery protective case; 4. Bottom cover plate; 5. Main body of lithium battery; 6. Positioning plate protection plate; 7. Circuit board; 8. Limit protection ring; 9. Hinge shaft; 10. Positioning guide post; 11. Hinge fixing slot hole; 12. Card slot structure; 13. Positioning slot tube; 14. Annular card slot. Specific embodiments

[0019] 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.

[0020] Please refer to Figures 1-4 , an embodiment provided by the present utility model: An assembled lithium battery protection board, including the main body 3 of the lithium battery protective case. The main body 3 of the lithium battery protective case includes a sealed upper cover plate 1 and a bottom cover plate 4. The structure between the sealed upper cover plate 1 and the bottom cover plate 4 is detachable. The main body 5 of the lithium battery is installed inside the bottom cover plate 4. A positioning plate protection plate 6 is arranged at the lower end of the main body 5 of the lithium battery. A positioning guide post 10 is arranged at the bottom end of the positioning plate protection plate 6. A positioning slot tube 13 is arranged at the corresponding position at the inner bottom end of the bottom cover plate 4. The positioning plate protection plate 6 is fixedly fitted with the positioning slot tube 13 through the positioning guide post 10. The sealed upper cover plate 1 and the bottom cover plate 4 are provided with a limit protection ring 8. An annular card slot 14 is arranged on the inner surface of the bottom cover plate 4. The limit protection ring 8 is fixedly clamped with the annular card slot 14 correspondingly.

[0021] Furthermore, a card slot structure 12 is arranged on the outer surface of the bottom cover plate 4, and a hinge fixing slot hole 11 is arranged inside the card slot structure 12, which is convenient for quick docking and installation fixation with the hinge shaft 9 on the handle structure 2, so as to facilitate the picking and handling of the main body 3 of the lithium battery protective case.

[0022] Furthermore, a handle structure 2 is installed on the bottom cover plate 4, and hinge shafts 9 are arranged at both ends of the handle structure 2.

[0023] Furthermore, the handle structure 2 is movably connected correspondingly with the hinge fixing slot hole 11 through the hinge shaft 9.

[0024] Furthermore, the main body 5 of the lithium battery is fixedly attached to the inner surface of the limit protection ring 8, which is convenient for sealing protection and limit fixation of the outer surface of the main body 5 of the lithium battery.

[0025] Furthermore, a circuit board 7 is installed inside the bottom cover plate 4, and the circuit board 7 is located directly below the positioning plate protection plate 6.

[0026] Working principle: When in use, a lithium battery body 5 is installed inside the bottom cover plate 4. A positioning plate protection plate 6 is arranged at the lower end of the lithium battery body 5. A positioning guide post 10 is arranged at the bottom end of the positioning plate protection plate 6. A positioning groove tube 13 is arranged at the corresponding position at the inner bottom end of the bottom cover plate 4. The positioning plate protection plate 6 is fixedly fitted with the positioning groove tube 13 through the positioning guide post 10. By installing the positioning plate protection plate 6 at the bottom of the lithium battery body 5, the installation position of the lithium battery body 5 can be quickly limited and fixed by using the positioning guide post 10 in cooperation with the positioning groove tube 13. The sealing upper cover plate 1 and the bottom cover plate 4 are provided with a limiting protection ring 8. An annular clamping groove 14 is arranged on the inner surface of the bottom cover plate 4. The limiting protection ring 8 is fixedly clamped with the annular clamping groove 14 correspondingly. The lithium battery body 5 is fixedly attached to the inner surface of the limiting protection ring 8, which is convenient for sealing protection and limiting fixation of the outer surface of the lithium battery body 5. By installing the positioning plate protection plate 6, it is convenient to accurately position, support and protect the lithium battery body 5. Cooperating with the structure of the limiting protection ring 8 can effectively prevent the lithium battery from shifting and shaking, and thus play a good limiting and safety protection effect.

[0027] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0028] The standard parts used in this application document can all be purchased from the market. The specific connection methods of each part all adopt conventional means such as bolts, rivets, welding, etc. that are mature in the prior art for connection. Moreover, the machinery, parts and equipment all adopt conventional models in the prior art. Coupled with the circuit connection adopting the conventional connection method in the prior art, no specific description will be made here.

[0029] Although the embodiments of the present utility model 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 utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An assembled lithium battery protection board, comprising a main body of a lithium battery protective case (3), characterized in that, The main body (3) of the lithium battery protective case includes a sealed upper cover plate (1) and a bottom cover plate (4). The structure between the sealed upper cover plate (1) and the bottom cover plate (4) is detachable. The lithium battery main body (5) is installed inside the bottom cover plate (4). A positioning plate protection plate (6) is arranged at the lower end of the lithium battery main body (5). A positioning guide post (10) is arranged at the bottom end of the positioning plate protection plate (6). A positioning groove tube (13) is arranged at the corresponding position at the inner bottom end of the bottom cover plate (4). The positioning plate protection plate (6) is fixedly fitted with the positioning groove tube (13) through the positioning guide post (10). The sealed upper cover plate (1) and the bottom cover plate (4) are provided with a limit protection ring (8). An annular clamping groove (14) is arranged on the inner surface of the bottom cover plate (4). The limit protection ring (8) is fixedly clamped with the annular clamping groove (14).

2. The assembled lithium battery protection board according to claim 1, characterized in that: A clamping groove structure (12) is arranged on the outer surface of the bottom cover plate (4). A hinge fixing groove hole (11) is arranged inside the clamping groove structure (12).

3. The assembled lithium battery protection board according to claim 1, characterized in that: A handle structure (2) is installed on the bottom cover plate (4). Hinge shafts (9) are arranged at both ends of the handle structure (2).

4. The assembled lithium battery protection board according to claim 3, wherein: The handle structure (2) is movably connected with the hinge fixing groove hole (11) through the hinge shaft (9).

5. The assembled lithium battery protection board according to claim 1, characterized in that: The lithium battery main body (5) is fixedly fitted with the inner surface of the limit protection ring (8).

6. The assembled lithium battery protection board according to claim 1, characterized in that: A circuit board (7) is installed inside the bottom cover plate (4). The circuit board (7) is located directly below the positioning plate protection plate (6).

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