CN113644364A - Battery waterproof device and surfboard comprising same - Google Patents
Battery waterproof device and surfboard comprising same Download PDFInfo
- Publication number
- CN113644364A CN113644364A CN202110772556.2A CN202110772556A CN113644364A CN 113644364 A CN113644364 A CN 113644364A CN 202110772556 A CN202110772556 A CN 202110772556A CN 113644364 A CN113644364 A CN 113644364A
- Authority
- CN
- China
- Prior art keywords
- battery
- housing
- case
- enclosed space
- waterproof
- 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.)
- Pending
Links
- 238000005192 partition Methods 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 238000004078 waterproofing Methods 0.000 claims description 32
- 239000002184 metal Substances 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 8
- 230000009977 dual effect Effects 0.000 abstract description 5
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B32/00—Water sports boards; Accessories therefor
- B63B32/10—Motor-propelled water sports boards
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
-
- 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
Abstract
The invention provides a waterproof device for a battery, which comprises: a first housing and a second housing which are hermetically connected together and form a closed space therebetween; and a waterproof partition positioned within the second case and hermetically connected to the second case so as to divide the enclosed space into a first enclosed space between the first case and the waterproof partition and a second enclosed space between the waterproof partition and the second case, wherein the second enclosed space is configured to accommodate a battery assembly. The application discloses power battery module with dual waterproof sealing structure can guarantee to send safety warning under the condition that skin or certain one deck waterproof sealing structure became invalid, still can guarantee the security of battery module.
Description
Technical Field
The utility model relates to a power battery field, concretely relates to dual watertight fittings of power battery and use surfboard of this structure.
Background
The water sports products such as the electric surfboard, the electric water wing plate and the like need a high-power battery to provide power, no matter the battery module is sealed in the sealed cabin body alone, or the battery module is directly contacted with water, the risk of water leakage exists, and the water leakage can cause the short circuit, the electric leakage and even the combustion and explosion of the battery module, thereby threatening the personal and property safety, and the electric surfboard is realized. The battery safety of electric water wing plate and other water sports products is an important part of the product competitiveness.
The statements in this background section merely represent techniques known to the public and are not, of course, representative of the prior art.
Disclosure of Invention
For the waterproof safety margin who improves battery module, provide dual safety guarantee to battery module's waterproof performance, this application provides a battery watertight fittings, includes:
a first housing and a second housing which are hermetically connected together and form a closed space therebetween; and
a watertight partition positioned within the second housing and sealingly connected to the second housing so as to divide the enclosed space into a first enclosed space between the first housing and the watertight partition and a second enclosed space between the watertight partition and the second housing, wherein the second enclosed space is configured to accommodate a battery assembly.
According to an aspect of the present invention, the first and second housings are hermetically connected together by a glue, or the first and second housings are hermetically connected together by a screw and a gasket.
According to one aspect of the present invention, the battery waterproofing device further comprises a locking module configured to lock the first housing and the second housing together.
According to one aspect of the invention, the battery waterproofing device further comprises a handle attached to the first housing.
According to an aspect of the present invention, the watertight partition is a plate-shaped structure, and is hermetically connected to the sidewall of the second housing by glue, or is hermetically connected together by a screw and a packing.
According to an aspect of the present invention, a buffer space is provided between the watertight separator and the first housing.
According to one aspect of the present invention, the battery waterproofing device further comprises a metal strip and a metal strip fixing plate.
According to an aspect of the present invention, the battery waterproofing device further includes a first water detector disposed in the first closed space and a second water detector disposed in the second closed space.
According to an aspect of the present invention, the battery waterproofing device further comprises an alarm device electrically connected to the first and second water detectors and giving an alarm when the first and second water detectors detect water.
According to an aspect of the present invention, the battery waterproofing device further includes a control button provided on the first housing and a battery pack provided in the second closed space, the control button being electrically connected to the battery pack.
The invention also relates to a surfboard comprising:
a plate body;
the battery waterproof device is arranged on the plate body; and
and the battery component is arranged in the second closed space of the battery waterproof device.
According to one aspect of the invention, the surfboard further includes a power unit electrically connected to the battery assembly to be powered by the battery assembly.
The application discloses power battery module with dual waterproof sealing structure can guarantee to send safety warning under the condition that skin or certain one deck waterproof sealing structure became invalid, still can guarantee the security of battery module. The space is divided into two sealed space bodies by a first reseal formed by the sealing surfaces of the first and second housings and a second reseal formed by sealing between the watertight partition and the second housing. And the water inlet detection probes can be arranged at low positions and key positions in the first sealed space and the second sealed space, so that the waterproof state of the battery can be monitored and reported in time. After the first sealed space is invaded by water, the first resealing failure can be detected, but devices such as the battery core and the circuit board in the second sealed space can still be effectively isolated from the water at the moment, so that time is provided for battery maintenance and treatment, and the battery safety under the condition of the first resealing failure is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to limit the disclosure. In the drawings:
fig. 1 illustrates an exploded view of a waterproof device for a battery according to an embodiment of the present invention;
FIG. 2 shows a partial cross-sectional view of a battery waterproofing device;
fig. 3 shows the assembled battery waterproofing device; and
figure 4 shows a perspective view of a surfboard according to one embodiment of the present invention.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection, either mechanically, electrically, or in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Fig. 1 shows an exploded view of a battery waterproofing device 10 according to an embodiment of the present invention, fig. 2 shows a partial sectional view of the battery waterproofing device 10, and fig. 3 shows the assembled battery waterproofing device 10, which will be described in detail below with reference to fig. 1 to 3.
As shown in fig. 1, the battery waterproofing device 10 includes a first case 11, a second case 12, and a waterproofing partition 13, wherein the second case 12 is, for example, in the form of an open container, the first case 11 is of a substantially plate-like structure and covers the second case 12, and the first case 11 and the second case 12 are sealingly joined together with a closed space formed therebetween. The waterproof partition 13 may also be configured in a plate-like structure, located inside the second case 12, and hermetically connected to the second case 12, thereby dividing the closed space into a first closed space between the first case 11 and the waterproof partition 13 and a second closed space between the waterproof partition 13 and the second case 12, wherein the second closed space is configured to accommodate a battery assembly. Fig. 2 shows a partial sectional view of the battery waterproofing device, in which it is clearly shown that the watertight partition 13 is provided in the closed space formed by the first case 11 and the second case 12 and divides the closed space into a first closed space C1 located above the watertight partition 13 and a second closed space C2 located below the watertight partition 13.
In the structure of the battery waterproof device 10 shown in fig. 1 and 2, the seal between the first case 11 and the second case 12 constitutes a first reseal. The two mating surfaces of the first housing 11 and the second housing 12 may be fixed and sealed by, for example, structural glue G (as shown in fig. 2), and the adhesive surfaces of the first housing 11 and the second housing 12 are fastened by bolts 15 through metal strips 14 and metal strip fixing plates 15, so as to increase the adhesive strength of the adhesive surface between the first housing 11 and the second housing 12 and improve the shear strength of the adhesive surface of the first housing 11 and the second housing 12. Or instead of fixing the seal with said glue, said first housing 11 and second housing 2 may be sealingly connected together by means of screws and sealing rings. The present invention is not limited to a particular sealing connection. Two metal strips 14 are schematically shown in fig. 1, which are symmetrically arranged, but the present invention is not limited thereto, and four metal strips may be arranged at four edges of the first housing 11. Alternatively, no metal strip can be provided, and the first resealing can be ensured only by the adhesive between the first housing 11 and the second housing 12.
The seal between the watertight partition 13 and the second housing 12 constitutes a second reseal. The waterproof separator 13 may be disposed in the second casing 12, and may be fixed in the second casing 12 by, for example, a sealant and a structural adhesive, the periphery of the waterproof separator 13 is fixed to the sidewall of the second casing 12 by an adhesive, and components such as a battery cell and a circuit are disposed in the second sealed space between the waterproof separator 13 and the second casing 12. Or instead of fixing the seal with the glue, the watertight partition 13 and the second housing 12 may be sealingly connected together by a screw and a gasket.
According to a preferred embodiment of the present invention, the waterproof partition 13 and the first housing 11 are spaced apart from each other by a certain distance, so that a buffer space is provided between the waterproof partition 13 and the first housing 11, thereby ensuring that the first housing 11 does not encroach on the waterproof partition 13 and does not touch or affect components such as a battery and a circuit provided in the second sealed space C2 when the first housing 11 is subjected to heavy weight and impact deformation.
In addition, in order to further enhance the connection strength between the first housing 11 and the second housing 12 and facilitate assembly and disassembly, a latch module 16 may be provided, and the latch module 16 is configured to lock the first housing 11 and the second housing 12 together. As shown in fig. 1, four grooves 111 (only one groove 111 is labeled) are provided on the first housing 11, four grooves 121 are correspondingly provided at the edge positions of the second housing 12, the grooves 111 correspond to the positions of the grooves 121, and the latch modules 16 are provided in the grooves 111 and 112, so that the first housing 11 and the second housing 12 can be locked together.
In addition, according to a preferred embodiment of the present invention, the battery waterproofing device 10 further includes a handle 17 connected to the first housing 11, and detachably connected to the first housing 11 through a handle fixing plate 18, so as to facilitate a user to access the battery waterproofing device 10.
Fig. 3 shows the assembled battery waterproofing device, wherein a switch button S is further provided on the first housing 11. The switch key S is hermetically disposed on the first housing 11 and electrically connected to a battery or an electric circuit located in the second sealed space through a wire. The wire passes through the first housing 11 and the watertight partition 13 so as to extend into the second sealed space. The openings provided for the leads can be sealed and fixed by a silica gel plug and glue to ensure the sealed and waterproof state of the battery waterproof device 10.
Further in accordance with a preferred embodiment of the present invention, the battery waterproofing device 10 further comprises a first water detector disposed in the first closed space C1 and a second water detector disposed in the second closed space C2. In the present invention, a water detection probe is placed in the first sealed space C1 between the first housing 11 and the waterproof partition 13, and after the first sealed space C1 between the first housing 11 and the waterproof partition 13 is invaded by water, conduction and alarm can be realized, at this time, it can be known that the first layer of sealing of the battery has failed, and measures such as timely battery replacement or remediation are required, and the battery cannot be used for a long time. In second casing 12 with in the second confined space C2 between water-proof partition 13, place water detection probe equally, after the second floor confined space is invaded by water, realize switching on and the alarm, show this moment that the battery is sealed to have become invalid completely, need keep apart immediately and safety process, avoid causing loss and injury.
In addition, the battery waterproofing device 10 may further include an alarm device that is electrically connected to the first and second water detectors and issues an alarm when the first and second water detectors detect water. The alarm device can be an acoustic, optical or electric alarm device, and when any one of the first water detector and the second water detector detects water, the alarm device gives an alarm to remind a user of timely maintaining or avoiding danger.
According to an embodiment of the present invention, the battery waterproofing device 10 further includes a control button provided on the first housing and a battery assembly provided in the second closed space C2, the control button being electrically connected to the battery assembly so as to control, for example, turning on or off, the power supply.
The present invention also relates to a surfboard 20, as shown in fig. 4, which comprises a board body 21, a battery waterproof device 10 as shown above, and a battery assembly, wherein the battery waterproof device 10 is arranged on the board body 21; the battery assembly is disposed within the second enclosed space of the battery waterproofing device.
As shown in fig. 4, the surfboard 20 also includes a power unit 22, such as a propeller, the power unit 22 being electrically connected to the battery assembly to provide power through the battery assembly.
The application discloses power battery module with dual waterproof sealing structure can guarantee to send safety warning under the condition that skin or certain one deck waterproof sealing structure became invalid, still can guarantee the security of battery module. The space is divided into two sealed space bodies by a first reseal formed by the sealing surfaces of the first and second housings and a second reseal formed by sealing between the watertight partition and the second housing. And the water inlet detection probes can be arranged at low positions and key positions in the first sealed space and the second sealed space, so that the waterproof state of the battery can be monitored and reported in time. After the first sealed space is invaded by water, the first resealing failure can be detected, but devices such as the battery core and the circuit board in the second sealed space can still be effectively isolated from the water at the moment, so that time is provided for battery maintenance and treatment, and the battery safety under the condition of the first resealing failure is ensured.
The embodiment is only illustrative, and the key point of the invention is that two seals are arranged in one battery module, and on the basis of one seal, a second seal scheme is applied to further isolate water-insoluble components such as a battery core. In addition, according to the preferred embodiment of the present invention, the first reseal failure can be accurately determined under the condition that the first reseal failure occurs, and the existence of the second reseal ensures the safety of the battery under the condition that the first reseal failure occurs.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A waterproof device for a battery, comprising:
a first housing and a second housing which are hermetically connected together and form a closed space therebetween; and
a watertight partition positioned within the second housing and sealingly connected to the second housing so as to divide the enclosed space into a first enclosed space between the first housing and the watertight partition and a second enclosed space between the watertight partition and the second housing, wherein the second enclosed space is configured to accommodate a battery assembly.
2. The battery waterproofing device according to claim 1, wherein the first case and the second case are sealingly connected together by a glue, or the first case and the second case are sealingly connected together by a screw and a gasket.
3. The battery waterproofing device of claim 1 or 2, further comprising a latch module configured to lock the first and second housings together.
4. The battery waterproofing device according to claim 1 or 2, further comprising a handle attached to the first housing.
5. The battery waterproofing device according to claim 1 or 2, wherein the waterproofing separator is a plate-like structure, is sealingly attached to the side wall of the second case by glue, or is sealingly attached together by a screw and a sealing ring.
6. The battery waterproofing device according to claim 1 or 2, wherein a buffer space is provided between the waterproofing separator and the first case.
7. The waterproof device for battery as claimed in claim 1 or 2, further comprising a metal strip and a metal strip fixing plate.
8. The battery waterproofing device according to claim 1 or 2, further comprising a first water detector provided in the first enclosed space and a second water detector provided in the second enclosed space.
9. The battery waterproofing device according to claim 8, further comprising an alarm device that is electrically connected to the first and second water detectors and issues an alarm when the first and second water detectors detect water.
10. The battery waterproofing device according to claim 1 or 2, further comprising a control button provided on the first housing and a battery assembly provided in the second enclosed space, the control button being electrically connected to the battery assembly.
11. A surfboard comprising:
a plate body;
the battery waterproofing device according to any one of claims 1 to 10, provided on a plate body; and
and the battery component is arranged in the second closed space of the battery waterproof device.
12. The surfboard of claim 11, further comprising a power unit electrically connected to the battery assembly to provide power through the battery assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110772556.2A CN113644364A (en) | 2021-07-08 | 2021-07-08 | Battery waterproof device and surfboard comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110772556.2A CN113644364A (en) | 2021-07-08 | 2021-07-08 | Battery waterproof device and surfboard comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113644364A true CN113644364A (en) | 2021-11-12 |
Family
ID=78416876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110772556.2A Pending CN113644364A (en) | 2021-07-08 | 2021-07-08 | Battery waterproof device and surfboard comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113644364A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114940243A (en) * | 2022-05-21 | 2022-08-26 | 海南小鲨鱼水上新能源科技有限公司 | Water sports device and production method thereof |
| CN115275471A (en) * | 2022-08-12 | 2022-11-01 | 天津望圆智能科技股份有限公司 | Underwater battery sealing structure, underwater battery sealing device and sealing method |
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| US5294988A (en) * | 1990-09-21 | 1994-03-15 | Hitachi, Ltd. | Electronic apparatus with a watertight housing |
| CN205141044U (en) * | 2015-11-07 | 2016-04-06 | 合肥国轩高科动力能源有限公司 | Battery box |
| CN206650113U (en) * | 2017-03-31 | 2017-11-17 | 比亚迪股份有限公司 | A kind of safety battery module and there is its vehicle |
| CN210212690U (en) * | 2019-08-14 | 2020-03-31 | 胡富祥 | Waterproof sealing structure of battery compartment of electric surfboard |
| CN111244345A (en) * | 2018-11-28 | 2020-06-05 | 广州极飞科技有限公司 | Battery module and have its unmanned aerial vehicle |
| CN211567677U (en) * | 2019-12-25 | 2020-09-25 | 中国第一汽车股份有限公司 | Power battery detection device and vehicle of intaking |
| CN213042973U (en) * | 2020-08-05 | 2021-04-23 | 广东汇创新能源有限公司 | Waterproof battery case structure |
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2021
- 2021-07-08 CN CN202110772556.2A patent/CN113644364A/en active Pending
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|---|---|---|---|---|
| US5294988A (en) * | 1990-09-21 | 1994-03-15 | Hitachi, Ltd. | Electronic apparatus with a watertight housing |
| CN205141044U (en) * | 2015-11-07 | 2016-04-06 | 合肥国轩高科动力能源有限公司 | Battery box |
| CN206650113U (en) * | 2017-03-31 | 2017-11-17 | 比亚迪股份有限公司 | A kind of safety battery module and there is its vehicle |
| CN111244345A (en) * | 2018-11-28 | 2020-06-05 | 广州极飞科技有限公司 | Battery module and have its unmanned aerial vehicle |
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| CN114940243A (en) * | 2022-05-21 | 2022-08-26 | 海南小鲨鱼水上新能源科技有限公司 | Water sports device and production method thereof |
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