Battery shell structure with waterproof function

Through the structural design of the box and battery cover, and the use of seals made of foamed silicone cotton, the problem of inconvenient maintenance of traditional battery waterproofing treatment methods is solved, and a high waterproof and convenient maintenance process is achieved.

CN222620008UActive Publication Date: 2025-03-14ZHUHAI TITAN ENERGY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421224182.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-31
Publication Date
2025-03-14
Estimated Expiration
2034-05-31

AI Technical Summary

Technical Problem

Traditional battery waterproofing treatment methods have problems of inconvenience in maintenance, and the waterproofing effect is easily damaged during disassembly and assembly.

Method used

The structural design of the box and battery cover is adopted, and the traditional waterproof coating is replaced by a first seal and a second seal to ensure that the waterproofing effect of the battery case does not affect the maintenance process.

Benefits of technology

It realizes a high waterproof battery structure and simplifies the maintenance process, avoiding damage to the waterproof design during disassembly and assembly.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222620008U_ABST
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Abstract

The utility model discloses a battery shell structure with a waterproof function, aiming at the existing battery waterproof treatment mode, only a battery upper cover needs to be disassembled, and the waterproof effect of the battery shell structure is not influenced after the battery upper cover is assembled after maintenance. The battery box comprises a box body and a battery upper cover matched with the box body, an outer edge is arranged on the periphery of the lower end of the battery upper cover, an inner edge matched with the outer edge is arranged on the periphery of the upper end of the box body, a frame plate matched with the height of the battery upper cover is arranged on the inner side of the inner edge, and a first sealing piece is arranged between the outer edge and the inner edge. A second sealing piece is arranged between the battery upper cover and the frame plate, the box body and the battery upper cover are fixed through waterproof bolts, a plurality of bolt groove columns matched with the waterproof bolts are arranged at the lower end of the inner edge, and a plurality of through holes matched with the waterproof bolts are formed in the outer edge. The utility model is applied to the technical field of batteries.
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Description

Technical Field

[0001] The utility model is applied to the technical field of batteries, and particularly relates to a battery shell structure with a waterproof function. Background Art

[0002] With the development of new energy technologies, consumers have higher and higher requirements for battery performance and safety performance, and the use environment is becoming more and more complex. Among them, waterproof technology, as a key technology, is of great significance for ensuring the operation of the entire vehicle and extending the service life of the battery.

[0003] In daily life, batteries are often affected by moisture such as moisture and rain, which has a certain impact on the performance and service life of the batteries. Traditional waterproofing methods all use waterproof coatings, which causes great inconvenience to maintenance. Utility Model Content

[0004] The utility model aims to provide a battery shell structure with waterproof function. With respect to the existing battery waterproof treatment method, it is only necessary to disassemble the battery cover, and the waterproof effect of the battery shell structure is not affected after the battery cover is assembled after inspection.

[0005] The technical solution adopted by the utility model is as follows: the utility model comprises a box body and a battery cover adapted to the box body, the lower end of the battery cover is provided with an outer edge around the periphery, the upper end of the box body is provided with an inner edge adapted to the outer edge around the periphery, the inner side of the inner edge is provided with a frame plate adapted to the height of the battery cover, a first sealing member is provided between the outer edge and the inner edge, a second sealing member is provided between the battery cover and the frame plate, and the lower end of the second sealing member is provided with a sealing member adapted to the frame plate. A matching groove is formed so that the lower end of the second seal is embedded in the upper end of the frame plate, and the upper end of the second seal is attached to the inner end of the battery cover. The box body and the battery cover are fixed by waterproof bolts, and the lower end of the inner edge is provided with a plurality of bolt slot columns matched with the waterproof bolts, and the outer edge is provided with a plurality of through holes matched with the waterproof bolts; a plurality of battery modules and electrical integrators are arranged in the box body, and the plurality of battery modules are electrically connected to the electrical integrator.

[0006] Furthermore, two support rods are arranged in the box body, the number of the battery modules is four, the four battery modules are all fixed between the two support rods, and the first to fourth battery modules are sequentially installed in series at the bottom of the box body through module series soft copper busbars.

[0007] Furthermore, the electrical integrator is installed at the bottom end of the box body, and a plurality of communication ports, emergency stop switches, waterproof covers, antennas, round meters and switches are arranged on the outer wall of the box body and at one end of the electrical integrator. The emergency stop switch is arranged in the waterproof cover, and a first discharge port, a second discharge port and a charging port are arranged on the outer wall of the box body and at one side of the electrical integrator. The communication port, the emergency stop switch, the antenna, the round meter, the switch, the first discharge port, the second discharge port and the charging port are all electrically connected to the electrical integrator.

[0008] Furthermore, the box body and the battery cover are both formed by bending an integral aluminum-zinc plate.

[0009] Furthermore, the first sealing member and the second sealing member are both made of foamed silicone cotton.

[0010] Furthermore, an anti-fool-proof device is provided in the charging port, and the anti-fool-proof device is a plurality of convex strips provided on the inner wall of the charging port.

[0011] Furthermore, the battery modules each include a plurality of individual battery cells, and the upper ends of the individual battery cells are welded by aluminum sheets.

[0012] Furthermore, Mylar sheets are arranged between adjacent battery cells, and shockproof foam is arranged between adjacent battery modules.

[0013] The beneficial effects of the utility model are: 1. Through the structural design of the box body and the battery cover, in combination with the first seal and the second seal, a highly waterproof battery structure is provided for the power battery field; 2. The waterproof design also provides convenience for maintenance, and the waterproof design will not be damaged by opening the cover for maintenance; 3. The overall structural design of the battery shell structure is compact and easy to disassemble and assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is an explosion schematic diagram of the utility model;

[0016] Figure 3 It is a top view of the utility model;

[0017] Figure 4 yes Figure 3 Cross-sectional view of CC;

[0018] Figure 5 yes Figure 2 A magnified schematic diagram of part A;

[0019] Figure 6 yes Figure 4 Schematic diagram of the enlarged portion B. DETAILED DESCRIPTION

[0020] like Figures 1 to 6 As shown, in this embodiment, the utility model includes a box body 1 and a battery cover 2 adapted to the box body 1, the lower end of the battery cover 2 is provided with an outer edge 3 around the periphery, the upper end of the box body 1 is provided with an inner edge 4 adapted to the outer edge 3 around the periphery, the inner side of the inner edge 4 is provided with a frame plate 5 adapted to the height of the battery cover 2, a first sealing member 6 is provided between the outer edge 3 and the inner edge 4, a second sealing member 7 is provided between the battery cover 2 and the frame plate 5, and the box body 1 and the battery cover 2 are connected. The inner edge 4 is fixed with waterproof bolts, and the lower end of the inner edge 4 is provided with a plurality of bolt slot columns 8 which are compatible with the waterproof bolts, and the outer edge 3 has a plurality of through holes 9 which are compatible with the waterproof bolts. In this design, the outer edge 3 and the inner edge 4 are designed, and the first sealing member 6 and the second sealing member 7 are used to replace the traditional waterproof coating. When the battery cover 2 is inspected and disassembled, the first sealing member 6 and the second sealing member 7 will not be affected. The battery cover 2 can be directly covered back after the inspection, and the waterproof effect of the battery shell structure can continue to be ensured not to be destroyed.

[0021] In this embodiment, the second sealing member 7 is also in the shape of a rectangular ring strip, and a groove 71 matched with the frame plate 5 is provided at the middle lower end of the second sealing member 7, so that the lower end of the second sealing member 7 is embedded in the upper end of the frame plate 5, and the upper end of the second sealing member 7 is attached to the inner end of the battery cover 2. In order to achieve a better sealing effect, convex strips can also be provided around the inner end of the battery cover, and the upper end of the second sealing member 7 is provided with a recessed groove matched with the convex strip.

[0022] In this embodiment, the first sealing member 6 and the second sealing member 7 are both made of foamed silicone cotton.

[0023] A plurality of battery modules 10 and an electrical integrator 11 are arranged in the box 1, and the plurality of battery modules 10 are electrically connected to the electrical integrator 11; two support rods 12 are arranged in the box 1, and the number of the battery modules 10 is four, and shockproof foam is arranged between adjacent battery modules 10, and the four battery modules 10 are fixed between the two support rods 12, and the first battery module 10 to the fourth battery module 10 are sequentially installed in series at the bottom of the box 1 through the module series soft copper bus 13, and the battery modules 10 include two battery end plates 101, a connecting handle 102 and a plurality of battery cells 24, and the plurality of battery cells 24 are installed between the two battery end plates 101, and the upper ends of the plurality of battery cells 24 are welded by aluminum sheets 25 , Mylar sheets are arranged between adjacent battery cells 24, the connecting handle frame 102 is installed between the upper ends of the two battery end plates 101, the connecting handle frame 102 is used to lock and fix the two battery end plates 101, and can serve as a handle during maintenance, and the battery module 10 is taken out separately, and the outer ends of the battery end plates 101 are provided with connecting angle codes 103, and the battery end plates 101 are fixed to the support rods through the connecting angle codes 103; the overall structure of this design is compact and easy to disassemble and assemble, and when the battery cell 24 has problems, it is also convenient to disassemble and assemble, overhaul and replace, and only the connecting angle code 103 and the module series soft copper bus 13 need to be untied to take out a single battery cell module through the connecting handle frame 102, and then the battery cell 24 can be taken out by only untying the connection between the connecting handle frame 102 and the battery end plate 101.

[0024] In this embodiment, the electrical integrator 11 is installed at the bottom end of the box body 1, and a plurality of communication ports 14, an emergency stop switch 15, a waterproof cover 16, an antenna 17, a round meter 18 and a switch 19 are arranged on the outer wall of the box body 1 and at one end of the electrical integrator 11. The emergency stop switch 15 is arranged in the waterproof cover 16, and a first discharge port 20, a second discharge port 21 and a charging port 22 are arranged on the outer wall of the box body 1 and at one side of the electrical integrator 11. The communication port 14, the emergency stop switch 15, the antenna 17, the round meter 18, the switch 19, the first discharge port 20, the second discharge port 21 and the charging port 22 are all electrically connected to the electrical integrator 11; this design can make the overall design of the battery housing structure more compact, and the connection distance with the connecting wires of the electrical integrator is shorter, the overall wiring is simpler, and it is more convenient to repair.

[0025] In this embodiment, the box body 1 and the battery cover 2 are both formed by bending an integral aluminum-zinc plate. The aluminum-zinc plate has high corrosion resistance and water resistance, and is formed by bending an integral plate, which can avoid the need for waterproof coating at the connection between components.

[0026] In this embodiment, an anti-fool device 23 is provided in the charging port 22. The anti-fool device 23 is a plurality of convex strips provided on the inner wall of the charging port 22. This design can prevent the discharge ports of the first discharge port 20 and the second discharge port 21 from being interoperable with the charging port 22.

[0027] In this embodiment, a hollow basket frame and a basket cover connected to the hollow basket frame are provided at the bottom of the box and on one side of the electrical integrator. A desiccant is placed in the hollow basket frame. This design can further dry the interior of the box 1.

[0028] Although the embodiments of the present invention are described with practical solutions, they do not constitute limitations on the meaning of the present invention. For those skilled in the art, it is obvious to modify the implementation scheme and combine it with other solutions based on this description.

Claims

1. A battery housing structure with waterproof function, comprising a housing (1) and a battery upper cover (2) adapted to the housing (1), characterized in that: The lower end of the battery cover (2) is provided with an outer edge (3), the upper end of the box body (1) is provided with an inner edge (4) adapted to the outer edge (3), the inner side of the inner edge (4) is provided with a frame plate (5) adapted to the height of the battery cover (2), a first sealing member (6) is provided between the outer edge (3) and the inner edge (4), a second sealing member (7) is provided between the battery cover (2) and the frame plate (5), the lower end of the second sealing member (7) is provided with a groove (71) adapted to the frame plate (5), so that the second sealing member (7) The lower end of the second sealing member (7) is embedded in the upper end of the frame plate (5), the upper end of the second sealing member (7) is attached to the inner end of the battery cover (2), the box body (1) and the battery cover (2) are fixed by waterproof bolts, the lower end of the inner edge (4) is provided with a plurality of bolt slot columns (8) adapted to the waterproof bolts, and the outer edge (3) is provided with a plurality of through holes (9) adapted to the waterproof bolts; a plurality of battery modules (10) and an electrical integrator (11) are arranged in the box body (1), and the plurality of battery modules (10) are electrically connected to the electrical integrator (11).

2. A battery casing structure with waterproof function according to claim 1, characterized in that: Two support rods (12) are arranged in the box (1), the number of the battery modules (10) is four, the four battery modules (10) are all fixed between the two support rods (12), and the first battery module (10) to the fourth battery module (10) are sequentially installed in series at the bottom of the box (1) via a module series soft copper busbar (13).

3. A battery housing structure with waterproof function according to claim 1, characterized in that: The electrical integrator (11) is installed at the bottom end of the box (1); a plurality of communication ports (14), an emergency stop switch (15), a waterproof cover (16), an antenna (17), a round meter (18) and a switch (19) are arranged on the outer wall of the box (1) and located at one end of the electrical integrator (11); the emergency stop switch (15) is arranged in the waterproof cover (16); a first discharge port (20), a second discharge port (21) and a charging port (22) are arranged on the outer wall of the box (1) and located at one side of the electrical integrator (11); the communication port (14), the emergency stop switch (15), the antenna (17), the round meter (18), the switch (19), the first discharge port (20), the second discharge port (21) and the charging port (22) are all electrically connected to the electrical integrator (11).

4. The battery housing structure with waterproof function according to claim 1, characterized in that: The box body (1) and the battery upper cover (2) are both formed by bending an integral aluminum-zinc coated plate.

5. The battery housing structure with waterproof function according to claim 1, characterized in that: The first sealing member (6) and the second sealing member (7) are both made of foamed silicone cotton.

6. A battery housing structure with waterproof function according to claim 3, characterized in that: An anti-fool device (23) is arranged in the charging port (22), and the anti-fool device (23) is a plurality of convex strips arranged on the inner wall of the charging port (22).

7. The battery housing structure with waterproof function according to claim 1, characterized in that: The battery modules (10) each include a plurality of battery cell individuals (24), and the upper ends of the plurality of battery cell individuals (24) are welded via aluminum sheets (25).

8. The battery housing structure with waterproof function according to claim 1, characterized in that: Mylar sheets are arranged between adjacent battery cell individuals (24), and shock-proof foam is arranged between adjacent battery modules (10).