CN220253363U - Waterproof structure of lithium battery pack for battery replacement - Google Patents
Waterproof structure of lithium battery pack for battery replacement Download PDFInfo
- Publication number
- CN220253363U CN220253363U CN202321753169.5U CN202321753169U CN220253363U CN 220253363 U CN220253363 U CN 220253363U CN 202321753169 U CN202321753169 U CN 202321753169U CN 220253363 U CN220253363 U CN 220253363U
- Authority
- CN
- China
- Prior art keywords
- waterproof
- fixedly arranged
- battery pack
- lithium battery
- box body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 41
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 239000002390 adhesive tape Substances 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims description 10
- 150000002641 lithium Chemical class 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims 5
- 238000000034 method Methods 0.000 abstract description 6
- 238000002955 isolation Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract 2
- 238000010276 construction Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 230000006978 adaptation Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 208000033999 Device damage Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The application discloses a waterproof construction of lithium cell group for trading electricity for solve the problem that lithium cell group waterproof performance is not enough for trading electricity that prior art exists. The box comprises a box body and a box cover, wherein the box body is of a hollow rectangular structure, the top end of the box body is of an open structure, waterproof adhesive tapes are fixedly arranged on the inner wall close to the top end, and a plurality of threaded holes are fixedly formed in the waterproof adhesive tape area of the box body; the box cover is fixedly provided with a plurality of first waterproof nuts corresponding to the positions of the threaded holes on the box body one by one, the first waterproof nuts are of sealing structures on one side of the inner wall of the box cover, the lower portion of the box cover is clamped in the waterproof adhesive tape area, and the outer wall of the lower portion of the box cover is tightly attached to the outer side of the waterproof adhesive tape. In the assembly process, the threaded fastener passes through the waterproof adhesive tape and enters the first waterproof nut with the sealing structure, so that the internal and external isolation at the threaded fastener is realized, the water vapor and the like are effectively prevented from entering the box body, and the waterproof performance is enhanced.
Description
Technical Field
The application relates to the technical field of energy storage batteries, in particular to a waterproof structure of a lithium battery pack for battery replacement.
Background
Lithium battery cells are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. The earliest lithium metal batteries were proposed and studied by Gilbert n.lewis in 1912, while lithium ion batteries were proposed and studied by m.s. whittingham in the 70 s of 20 th century. Because lithium metal has highly active chemical characteristics, the lithium battery cell has become a mainstream battery technology along with development of scientific technology because of very high environmental requirements for processing, storage and use of lithium metal. Lithium battery cells can be broadly divided into two categories: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain metallic lithium and can be charged. In 1996, the fifth generation product of rechargeable batteries, lithium metal batteries, was introduced. Compared with a lithium ion battery, the lithium metal battery has the advantages of safety, specific capacity, self-discharge rate, cost performance and the like.
The lithium battery has become the mainstream of battery research as a battery with the advantages of high energy density, long service life, high rated voltage, high power bearing capacity, strong high-low temperature adaptability and the like, and is widely applied to industries such as communication, electric automobiles, electric bicycles, unmanned aerial vehicles and the like. However, lithium batteries face waterproof problems during use, especially in outdoor environments or under humid conditions, with the risk of moisture ingress to the battery pack.
The current technical scheme mainly protects the lithium battery pack through the fixed position of the sealing case and the connector, but the schemes have gaps, so that moisture is easy to permeate into the battery pack, thereby damaging the battery and reducing the performance of the battery pack. Therefore, there is a need for an improved waterproof structure that can effectively prevent moisture from entering the interior of a lithium battery pack, improving its reliability and safety.
Disclosure of Invention
Therefore, the application provides a waterproof structure of a lithium battery pack for battery replacement, so as to solve the problem of insufficient waterproof performance of the lithium battery pack for battery replacement in the prior art.
In order to achieve the above object, the present application provides the following technical solutions:
the waterproof structure of the lithium battery pack for battery replacement comprises a box body and a box cover, wherein the lithium battery pack is fixedly arranged in the box body, the box body is of a hollow rectangular structure, the top end of the box body is of an open structure, a waterproof adhesive tape is fixedly arranged on the inner wall close to the top end, and a plurality of threaded holes are fixedly formed in the waterproof adhesive tape area of the box body;
the box cover is fixedly provided with a plurality of first waterproof nuts in one-to-one correspondence with the corresponding positions of the threaded holes on the box body, the first waterproof nuts are of sealing structures on one side of the inner wall of the box cover, the lower portion of the box cover is clamped in a waterproof adhesive tape area, and the outer wall of the lower portion of the box cover is tightly attached to the outer side of the waterproof adhesive tape.
Optionally, the apex angle department that is close to the top of box inner wall all fixedly is provided with the support frame, the fixed waterproof board that is provided with can be dismantled to support frame upper surface.
Optionally, a plurality of support frame upper surface is all fixed and is provided with first through-hole, four corners of waterproof board are all fixed and are provided with the second through-hole, first through-hole with the mutual adaptation of second through-hole.
Optionally, a groove is fixedly arranged in the upper region of the case cover, and a handle assembly is detachably and fixedly arranged at the upper end of the groove.
Optionally, the handle assembly includes a mounting plate and a handle hinged inside the mounting plate.
Optionally, the upper portion of the case cover is of a two-stage ladder structure, which is respectively marked as a first ladder surface and a second ladder surface, and the groove is arranged on the first ladder surface.
Optionally, a circular charging assembly and a square discharging assembly are fixedly arranged in the second step surface in a transverse side-by-side manner.
Optionally, circular charging assembly region is fixed to be provided with circular mouth in the second step face, and square discharging assembly region is fixed to be provided with square mouth, square mouth upper and lower both ends are fixed to be provided with two second waterproof nuts, evenly fixed four third waterproof nuts of being provided with around the circular mouth.
Compared with the prior art, the application has the following beneficial effects:
1. the waterproof performance is improved: set up waterproof adhesive tape on the box top to at waterproof adhesive tape regional fixed a plurality of screw holes that set up, in the assembly process threaded fastener passed waterproof adhesive tape, got into the first waterproof nut that has seal structure, realized that threaded fastener department is inside and outside isolated, prevent effectively that vapor etc. from getting into inside the box, case lid and waterproof adhesive tape closely joint, and the outer wall closely laminates with waterproof adhesive tape's outside, has further strengthened the waterproof performance of longitudinal joint department.
2. Reliability and safety are improved: the setting of waterproof adhesive tape and the close connection of case lid and box prevent effectively that moisture from getting into inside the lithium cell group, can reduce the risk that the battery package wets like this, improve the reliability and the security of lithium cell group, prolonged life.
3. Is convenient for maintenance and replacement: through the structure that adopts the screw hole and the first waterproof nut of outer hourglass for the case lid is more firm with the fixed of box, makes things convenient for maintainer to maintain simultaneously and change, compares in the mode of apron cladding at the screw thread faying surface outward, this application convenient to detach apron and box, this helps improving maintenance efficiency and reduces maintenance cost.
Drawings
For a more visual description of the prior art and the present application, exemplary drawings are presented below. It should be understood that the specific shape and configuration shown in the drawings should not be considered in general as limiting upon the practice of the present application; for example, based on the technical concepts and exemplary drawings disclosed herein, those skilled in the art have the ability to easily make conventional adjustments or further optimizations for the add/subtract/assign division, specific shapes, positional relationships, connection modes, dimensional scaling relationships, etc. of certain units (components).
FIG. 1 is an overall exploded view of an embodiment of the present application;
fig. 2 is a schematic structural view of a support frame and a waterproof board according to an embodiment of the present application;
FIG. 3 is a schematic view of a first step surface structure according to an embodiment of the present disclosure;
fig. 4 is a schematic diagram of a box cover structure according to an embodiment of the present application;
reference numerals illustrate:
1. a case; 2. a case cover; 3. a waterproof adhesive tape; 4. a threaded hole; 5. a first waterproof nut; 6. a support frame; 7. a waterproof board; 8. a first through hole; 9. a second through hole; 10. a groove; 11. a mounting plate; 12. a handle; 13. a first step surface; 14. a second step surface; 15. a circular charging assembly; 16. a square discharge assembly; 17. a second waterproof nut; 18. and a third waterproof nut.
Detailed Description
The present application is further described in detail below with reference to the accompanying drawings.
In the description of the present application: unless otherwise indicated, the meaning of "a plurality" is two or more. The terms "first," "second," "third," and the like in this application are intended to distinguish between the referenced objects without a particular meaning in terms of technical connotation (e.g., should not be construed as emphasis on the degree of importance or order, etc.). The expressions "comprising", "including", "having", etc. also mean "not limited to" (certain units, components, materials, steps, etc.).
Examples
As shown in fig. 1, a waterproof structure of a lithium battery pack for battery replacement comprises a box body 1 and a box cover 2, wherein the box body 1 is of a hollow rectangular structure, the top end of the box body 1 is of an open structure, a waterproof adhesive tape 3 is fixedly arranged on the inner wall close to the top end, and a plurality of threaded holes 4 are fixedly arranged in the area of the waterproof adhesive tape 3 in the box body 1;
the box cover 2 is fixedly provided with a plurality of first waterproof nuts 5 with corresponding positions of a plurality of screw holes 4 on the box body 1 in a one-to-one correspondence manner, the first waterproof nuts 5 are of sealing structures on one side of the inner wall of the box cover, the lower portion of the box cover 2 is clamped in the area of the waterproof adhesive tape 3, the outer wall of the lower portion of the box cover 2 is tightly attached to the outer side of the waterproof adhesive tape 3, and a threaded fastener penetrates through the waterproof adhesive tape 3 and enters the first waterproof nuts 5 with sealing structures in the assembling process.
As shown in fig. 2, the top angle of the inner wall of the case 1 near the top end is fixedly provided with a supporting frame 6, the upper surface of the supporting frame 6 is detachably and fixedly provided with a waterproof board 7, and the lithium battery pack is mounted at the lower part of the waterproof board 7. The support frame 6 upper surface is all fixed and is provided with first through-hole 8, and four corners of waterproof board 7 are all fixed and are provided with second through-hole 9, and first through-hole 8 and second through-hole 9 looks adaptation each other.
As shown in fig. 3, a groove 10 is fixedly arranged in the upper region of the case cover 2, and a handle assembly is detachably and fixedly arranged at the upper end of the groove 10, wherein the handle assembly comprises a mounting plate 11 and a handle 12 hinged inside the mounting plate 11.
As shown in fig. 4, the upper part of the case cover 2 is of a two-stage ladder structure, which is respectively marked as a first ladder surface 13 and a second ladder surface 14, the groove 10 is arranged in the first ladder surface 13, a circular charging assembly 15 and a square discharging assembly 16 are transversely and fixedly arranged in the second ladder surface 14 side by side, a circular opening is fixedly arranged in the circular charging assembly area in the second ladder surface 14, a square opening is fixedly arranged in the square discharging assembly area, two second waterproof nuts 17 are fixedly arranged at the upper end and the lower end of the square opening, and four third waterproof nuts 18 are uniformly and fixedly arranged around the circular opening.
The assembly process comprises the following steps:
placing box and case lid on the workstation, guarantee that box top open structure up, glue waterproof adhesive tape on the inner wall that the box is close to the top, ensure that it laminates closely, (set up two screw holes in the fixed waterproof adhesive tape region of box each side), four support frames weld in the apex angle department that the box inner wall is close to the top, ensure that four support frames are located the coplanar, install the lithium cell battery with the group in the box is inside, the waterproof board is placed on the support frame, the case lid is placed on the box for the case lid corresponds with the screw hole on the box, use screw fastener with case lid and box fixed connection, screw fastener passes waterproof adhesive tape and gets into in the first waterproof nut that has seal structure, ensure that the lower part joint of case lid is in waterproof adhesive tape region, the outer wall of case lid lower part closely laminates with waterproof adhesive tape's outside, ensure waterproof board and support frame surface zonulae occludens, ensure that the handle subassembly is fixed on the recess, the user grasps of being convenient for.
The embodiment also has the following beneficial effects:
1. combination of support frame and waterproof board: through fixedly setting up the support frame in the apex angle department that the box inner wall is close to the top to can dismantle fixedly at the support frame upper surface and set up the waterproof board, waterproof board upper surface mounting is provided with control panel, and waterproof board lower part regional fixed being provided with lithium cell group can realize that lithium cell trades the isolation with group and control panel, prevents effectively that lithium cell group from generating heat and producing the influence to control panel. The support frame provides structural support, and the waterproof board plays isolation and waterproof effect simultaneously, prevents effectively that moisture from permeating box top region.
2. Adaptation of the first and second through holes: through setting up the first through-hole and the second through-hole of adaptation on support frame and waterproof board, can realize the connection of two, conveniently dismantle and change the waterproof board, the adaptation design of first through-hole and second through-hole makes waterproof board can be easily with support frame connection and separation, when need maintain or change the waterproof board, the user only need dismantle corresponding nut, can take off the waterproof board from the support frame, realizes quick, convenient dismantlement and change operation; simplify the maintenance flow, the adaptation of first through-hole and second through-hole, maintainer can dismantle more easily and change the waterproof board, need not to carry out complicated operation of disassembling, can save maintenance time like this, and simplify the maintenance flow, improve maintenance efficiency, reduce the risk of device damage, through the first through-hole and the second through-hole of adaptation, the waterproof board is firm reliable with being connected of support frame, in dismantling and the installation, avoided because improper operation or unmatched connected mode leads to the risk of device damage, only need the relief nut fixed can when dismantling, unnecessary mechanical stress and damage risk have been reduced.
3. Design of groove and handle assembly: the upper region of the box cover is fixedly provided with the groove, and the upper end of the groove is detachably and fixedly provided with the handle assembly, so that the box cover is convenient to carry and control: through fixed detachable handle subassembly that sets up in recess upper end, the user can conveniently carry and control the device, and the handle provides a convenient handheld position, and the user can conveniently carry the device through holding the handle, also can control device's position and gesture better in the operation process simultaneously, improves portability: the provision of the recess allows the handle assembly to be embedded therein, avoiding protruding handle parts, thereby reducing the overall size and bulk of the device. The design can improve the portability of the device, so that the device is easier to carry and store, is particularly suitable for occasions needing frequent carrying and moving, and simplifies the operation flow: by fixedly providing the handle assembly on the recess, the user can more easily find and grasp the handle, thereby simplifying the operation procedure. When the device needs to be opened or closed, a user can directly use the handle to operate, no additional tools or complicated steps are needed, and the convenience and the efficiency of use are improved.
4. Fixing the two-stage ladder structure and the charging and discharging assembly: the upper part of the tank cover is provided with a two-stage ladder structure which is a first ladder surface and a second ladder surface respectively, so that the charge and discharge assembly is fixed. The round charging assembly and the square discharging assembly are fixed in the second step surface, through the design, the position of the charging and discharging assembly is fixed, and the charging and discharging assembly is not easy to damage after the battery pack is mounted on the electric bicycle.
5. The second waterproof nut and the third waterproof nut are arranged: two second waterproof nuts are fixedly arranged at the upper end and the lower end of the square opening, four third waterproof nuts are uniformly and fixedly arranged around the round opening, fastening force between the cover plate and other components is increased due to the arrangement of the waterproof nuts, and waterproof performance is improved.
Any combination of the technical features of the above embodiments may be performed (as long as there is no contradiction between the combination of the technical features), and for brevity of description, all of the possible combinations of the technical features of the above embodiments are not described; these examples, which are not explicitly written, should also be considered as being within the scope of the present description.
The foregoing has outlined and detailed description of the present application in terms of the general description and embodiments. It should be appreciated that numerous conventional modifications and further innovations may be made to these specific embodiments, based on the technical concepts of the present application; but such conventional modifications and further innovations may be made without departing from the technical spirit of the present application, and such conventional modifications and further innovations are also intended to fall within the scope of the claims of the present application.
Claims (8)
1. The waterproof structure of the lithium battery pack for battery replacement comprises a box body and a box cover, wherein the lithium battery pack is fixedly arranged in the box body;
the box cover is fixedly provided with a plurality of first waterproof nuts in one-to-one correspondence with the corresponding positions of the threaded holes on the box body, the first waterproof nuts are of sealing structures on one side of the inner wall of the box cover, the lower portion of the box cover is clamped in a waterproof adhesive tape area, and the outer wall of the lower portion of the box cover is tightly attached to the outer side of the waterproof adhesive tape.
2. The waterproof structure of the lithium battery pack for power conversion according to claim 1, wherein supporting frames are fixedly arranged at the top angles of the inner walls of the box body, which are close to the top ends, and waterproof plates are detachably and fixedly arranged on the upper surfaces of the supporting frames.
3. The waterproof structure of a lithium battery pack for power conversion according to claim 2, wherein a plurality of first through holes are fixedly arranged on the upper surfaces of the supporting frames, second through holes are fixedly arranged on four corners of the waterproof plate, and the first through holes are mutually matched with the second through holes.
4. The waterproof structure of a lithium battery pack for power conversion according to claim 1, wherein a groove is fixedly formed in an upper region of the case cover, and a handle assembly is detachably and fixedly arranged at an upper end of the groove.
5. The waterproof structure of a lithium battery pack for battery replacement according to claim 4, wherein the handle assembly comprises a mounting plate and a handle hinged inside the mounting plate.
6. The waterproof structure of a lithium battery pack for battery replacement according to claim 4, wherein the upper portion of the case cover has a two-stage stepped structure, which is respectively denoted as a first stepped surface and a second stepped surface, and the groove is formed in the first stepped surface.
7. The waterproof structure of a lithium battery pack for power conversion according to claim 6, wherein a circular charging assembly and a square discharging assembly are fixedly arranged in the second step surface in a transverse side-by-side manner.
8. The waterproof structure of a lithium battery pack for power conversion according to claim 7, wherein a circular opening is fixedly arranged in the circular charging assembly area in the second step surface, a square opening is fixedly arranged in the square discharging assembly area, two second waterproof nuts are fixedly arranged at the upper end and the lower end of the square opening, and four third waterproof nuts are uniformly and fixedly arranged around the circular opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321753169.5U CN220253363U (en) | 2023-07-05 | 2023-07-05 | Waterproof structure of lithium battery pack for battery replacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321753169.5U CN220253363U (en) | 2023-07-05 | 2023-07-05 | Waterproof structure of lithium battery pack for battery replacement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220253363U true CN220253363U (en) | 2023-12-26 |
Family
ID=89235384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321753169.5U Active CN220253363U (en) | 2023-07-05 | 2023-07-05 | Waterproof structure of lithium battery pack for battery replacement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220253363U (en) |
-
2023
- 2023-07-05 CN CN202321753169.5U patent/CN220253363U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104781949A (en) | Electricity storage device | |
| CN102208691A (en) | Plate-type cylindrical valve-controlled sealed lead-acid storage battery | |
| CN116780065B (en) | End cover assembly, energy storage device and electric equipment | |
| CN216389548U (en) | Battery cell, battery and power consumption device | |
| CN216213915U (en) | Battery cell, battery and power consumption device | |
| CN117219934A (en) | End cover assembly, energy storage device and electric equipment | |
| CN116581443B (en) | Energy storage device and electric equipment | |
| CN220253363U (en) | Waterproof structure of lithium battery pack for battery replacement | |
| CN116387654B (en) | Energy storage device and electric equipment | |
| CN116544627B (en) | End cover unit, energy storage device and electric equipment | |
| JP7322159B2 (en) | Battery module manufacturing method and battery pack manufacturing method | |
| CN217158413U (en) | Single battery shell, single battery, battery and electric device | |
| CN215869572U (en) | Power type cylindrical battery | |
| KR20210049327A (en) | Busbar Having Anticorrosion Member and Battery Module Including The Same | |
| JP2017169279A (en) | Pole-mounted power storage device and pole-mounted power storage device system | |
| CN220086330U (en) | Energy storage device and electric equipment | |
| CN213717005U (en) | Honeycomb structure lithium ion battery convenient to change | |
| CN116387714B (en) | End cover assembly, energy storage device and electric equipment | |
| CN216648386U (en) | Integrated battery pack with double grooves | |
| CN217848254U (en) | Battery unit and battery device | |
| CN207165661U (en) | A kind of high-performance lithium battery pack box of novel seal | |
| CN219066888U (en) | Battery cell, battery containing same and electric equipment | |
| CN216085133U (en) | Battery pack with waterproof function | |
| CN209981429U (en) | Pull-out heat dissipation device of lithium battery energy storage device | |
| CN216354489U (en) | Battery box, battery and consumer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |