CN207441831U - Balanced valve and battery case - Google Patents
Balanced valve and battery case Download PDFInfo
- Publication number
- CN207441831U CN207441831U CN201721631176.2U CN201721631176U CN207441831U CN 207441831 U CN207441831 U CN 207441831U CN 201721631176 U CN201721631176 U CN 201721631176U CN 207441831 U CN207441831 U CN 207441831U
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- China
- Prior art keywords
- adjustable plate
- babinet
- hole
- air hole
- cavity
- Prior art date
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- 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
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- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model provides a kind of balanced valve and battery case.Balanced valve includes valve body, adjustable plate, spring and waterproof ventilated membrane.The bottom of valve body is used to be fixed to babinet, and top is equipped with the first air hole connected with outside, and side is equipped with the second air hole connected with outside.Adjustable plate is slidingly arranged at valve inner and separates the connection of the second air hole and box house.Spring is arranged on valve inner and adjustable plate is applied along downward power, and when the gas pressure that adjustable plate is subject to is more than the active force of spring, top slide from adjustable plate to valve body and open the connection of the second air hole and box house.Adjustable plate is equipped with first through hole, the connection of the bottom opening and box house of first through hole, and the top opening of first through hole is connected with the first air hole.Waterproof ventilated membrane is fixed on adjustable plate and closes the top opening of first through hole.Battery case includes babinet, balanced valve and battery；In in babinet, the valve body of balanced valve is fixed to babinet and is connected with the inside of babinet battery container.
Description
Technical field
The utility model is related to energy storage device field more particularly to a kind of balanced valves and battery case.
Background technology
The security of battery case is always to restrict the limiting factor of its wide popularization and application, when internal cell is due to short circuit etc.
Reason and when generating heat or catching fire, the air pressure of box house can rapidly increase, and this huge pressure differential may result in electricity
Pond babinet explodes, and is huge security risk.
Utility model content
In view of problem present in background technology, the purpose of this utility model is to provide a kind of balanced valve and battery case,
It can effectively inside and outside balance box pressure difference, prevent battery case from exploding, improve the security performance of battery case.
To achieve these goals, in a first aspect, the utility model provides a kind of balanced valve, including valve body, tune
Save plate, spring and waterproof ventilated membrane.The bottom of valve body is used to be fixed to babinet, and it is ventilative that top is equipped with first connected with outside
Hole, side are equipped with the second air hole connected with outside.Adjustable plate is arranged at valve inner and partition second with sliding axially
The connection of air hole and box house.Spring is arranged at valve inner and applies active force axially downward to adjustable plate, and
When the gas pressure that adjustable plate is subject to is more than the active force of spring, the top slide and opening second of adjustable plate towards valve body are saturating
The connection of stomata and box house.Adjustable plate be equipped with first through hole, the connection of the bottom opening and box house of first through hole, first
The top opening of through hole is connected with the first air hole.Waterproof ventilated membrane is fixed on adjustable plate and closes the top opening of first through hole.
To achieve these goals, in second aspect, the utility model provides a kind of battery case, including babinet, originally
Balanced valve and battery described in utility model first aspect；For battery container in babinet, the valve body of balanced valve is fixed to babinet
And it is connected with the inside of babinet.
The beneficial effects of the utility model are as follows：
For battery case in normal operating conditions, the draught head inside and outside babinet is smaller, and the gas pressure that adjustable plate is subject to is less than
The active force of spring, therefore adjustable plate is held in place under the force of a spring, to separate the second air hole and box house
Connection；Simultaneously as the draught head inside and outside babinet is smaller, also there will be no risk of explosion, so the in vivo air of case only needs
Slowly pass through first through hole, waterproof ventilated membrane and the first air hole, and then the in vivo inside and outside differential pressure of adjusting tank；And waterproof
Ventilated membrane is also prevented from external liquid and enters in babinet.
When battery is generated heat or caught fire due to short circuit, when the air pressure of box house increased dramatically, adjustable plate is subject to
Gas pressure be more than the active force of spring, adjustable plate towards valve body top slide and open the second air hole and box house
Connection, so in vivo air of case just can rapidly be discharged via the second air hole, and then quickly reduce the in vivo air pressure of case,
It prevents battery case from exploding, improves the security performance of battery case.When the air pressure of box house is returned to normal condition, adjustable plate by
The gas pressure arrived can be less than the active force of spring, and adjustable plate is returned to reset condition along axis, separates the second air hole again
With the connection of box house, prevent outside liquid or impurity from entering via the second air hole in babinet.
Description of the drawings
Fig. 1 is the schematic diagram according to the battery case of the utility model.
Fig. 2 is the sectional view according to an embodiment of the balanced valve of the utility model.
Schematic diagram of the balanced valve in another state that Fig. 3 is Fig. 2.
Fig. 4 is the exploded view according to the balanced valve of the utility model.
Fig. 5 is the schematic diagram according to the top cover of the valve body of the balanced valve of the utility model.
Fig. 6 is the schematic diagram according to the adjustable plate of the valve body of the balanced valve of the utility model.
Fig. 7 is the bottom view according to the pedestal of the valve body of the balanced valve of the utility model.
Fig. 8 is the sectional view according to another embodiment of the balanced valve of the utility model.
Fig. 9 is the sectional view according to the another embodiment of the balanced valve of the utility model.
Wherein, the reference numerals are as follows：
1 balanced valve, 15 absorbent material
11 valve body, 16 Air Filter
111 pedestal, 2 babinet
1111 the first air holes of bottom wall H1
1112 the second air holes of madial wall H2
112 top cover H3 first through hole
1121 the second through holes of roof H4
1122 the first cavitys of lateral wall S1
12 the second cavitys of adjustable plate S2
13 spring Z axis to
14 waterproof ventilated membranes
Specific embodiment
It is described in detail the balanced valve of the utility model and battery case with reference to the accompanying drawings.
Illustrate the balanced valve according to the utility model first aspect first.
Referring to figs. 1 to Fig. 9, balanced valve 1 according to the present utility model includes valve body 11, adjustable plate 12, spring 13 and prevents
Water ventilated membrane 14.The bottom of valve body 11 is used to be fixed to babinet 2, and top is equipped with the first air hole H1 connected with outside, side
Equipped with the second air hole H2 connected with outside.Z is slidingly arranged at 11 inside of valve body and partition second to adjustable plate 12 vertically
Air hole H2 and the connection inside babinet 2.Spring 13 is arranged at 11 inside of valve body and adjustable plate 12 is applied under Z-direction vertically
Active force, and when the gas pressure that adjustable plate 12 is subject to is more than the active force of spring 13, adjustable plate 12 is towards the top of valve body 11
It slides and opens the second air hole H2 and the connection inside babinet 2 in portion.Adjustable plate 12 is equipped with first through hole H3, first through hole H3's
Bottom opening is connected with the connection inside babinet 2, the top opening of first through hole H3 with the first air hole H1.Waterproof ventilated membrane 14 is fixed
It is closed in adjustable plate 12 and by the top opening of first through hole H3.
It remarks additionally herein, is under the direction at the bottom of valve body 11 direction top, axial Z-direction in axial Z-direction
The direction of bottom is as directed toward from the top of valve body 11.
Balanced valve 1 can set on babinet 2 to adjust the internal and external pressure difference of babinet 2.Draught head inside and outside babinet 2 is smaller
When, (top surface of adjustable plate 12 along axis Z bear external air pressure, and adjustable plate 12 is along axis for gas pressure that adjustable plate 12 is subject to
The bottom surface of line Z bears the air pressure inside babinet 2, and there are during draught head inside and outside babinet 2, adjustable plate 12 is pushed away be subject to air
Power) it is less than the active force of spring 13, therefore adjustable plate 12 is held in place under the active force of spring 13, it is ventilative with partition second
Hole H2 and the connection inside babinet 2；Simultaneously as the draught head inside and outside babinet 2 is smaller, also there will be no risk of explosion, so
Air in babinet 2 is only needed slowly through first through hole H3,14 and first air hole H1 of waterproof ventilated membrane, and then is adjusted
Inside and outside differential pressure in babinet 2；And waterproof ventilated membrane 14 is also prevented from external liquid and enters in babinet 2.Inside babinet 2
When air pressure increased dramatically, gas pressure that adjustable plate 12 is subject to is more than the active force of spring 13, and adjustable plate 12 is towards valve body 11
Top slide simultaneously opens the second air hole H2 and the connection inside babinet 2, and the air in such babinet 2 just can be ventilative via second
The discharge of hole H2 rapid (without the stop of waterproof ventilated membrane 14), and then the quick air pressure reduced in babinet 2, prevent that babinet 2 is quick-fried
It is fried.When air pressure inside babinet 2 is returned to normal condition, the gas pressure that adjustable plate 12 is subject to can be less than the effect of spring 13
Power, adjustable plate 12 are returned to reset condition along axis Z, separate the second air hole H2 and the connection inside babinet 2 again, prevent outer
Portion's liquid or impurity enter via the second air hole H2 in babinet 2.
With reference to Fig. 2, Fig. 3, Fig. 4, Fig. 8 and Fig. 9, valve body 11 includes pedestal 111 and top cover 112.Top cover 112 has top
Wall 1121 and the lateral wall 1122 for being looped around 1121 periphery of roof, roof 1121 and lateral wall 1122 surround opening towards pedestal
111 the first cavity S1.First air hole H1 is arranged on the roof 1121 of top cover 112 and is connected with the first cavity S1, second
Air hole H2 is arranged on the lateral wall 1122 of top cover 112 and is connected with the first cavity S1.Pedestal 111 is inserted into the first cavity S1
And it is fixed on the lateral wall 1122 of top cover 112；Pedestal 111 is used to being fixed to babinet 2, and equipped with for by the first cavity S1 and
Second through hole H4 of 2 inside connection of babinet.The first cavity S1 that adjustable plate 12 is contained in, and the periphery of adjustable plate 12 and lateral wall
1122 are bonded and can be slided on axial Z along lateral wall 1122.Adjustable plate 12 is resisted against pedestal under the active force of spring 13
111 top, while separate the connection of the second air hole H2 and the first cavity S1.With reference to Fig. 2, due to adjustable plate 12 periphery with
Lateral wall 1122 is bonded, so when adjustable plate 12 is resisted against the top of pedestal 111, the outer weekly assembly of adjustable plate 12 is breathed freely second
Hole H2 is blocked, and then separates the connection of the second air hole H2 and the first cavity S1；At this point, the air in babinet 2 is logical via second
Hole H4, first through hole H3, waterproof ventilated membrane 14, the first cavity S1 and the first air hole H1 discharges.With reference to Fig. 3, when adjustable plate 12
When being slided vertically in Z-direction and opening the second air hole H2, the air in babinet 2 can be via the second through hole H4, the first cavity
S1 and the second air hole H2 discharges.
Wherein, with reference to Fig. 5, the second air hole H2 is multiple and annular spread in outer side wall 1122, and the multiple second
Air hole H2 is corresponded in the position of axial Z.Multiple second air hole H2 can improve exhaust efficiency.And due to the multiple second
Air hole H2 is corresponded in the position of axial Z, so the periphery of adjustable plate 12 can block multiple second air hole H2 simultaneously.
Further, with reference to Fig. 2 and Fig. 3, positions of the second air hole H2 on axial Z is not less than the top of pedestal 111,
To prevent pedestal 111 from blocking the second air hole H2；The thickness of adjustable plate 12 should be greater than the second air hole H2 in the big of axial Z
It is small, so the second air hole H2 could be blocked completely.
With reference to Fig. 2 and Fig. 3, the balanced valve 1 further includes Air Filter 16, is fixed on the inside of roof 1121 and blocks first
Air hole H1.Air Filter 16 can avoid external dust from, into the first cavity S1, preventing that waterproof is saturating via the first air hole H1
Air film 14 fails when being influenced be subject to dust.
The shape and quantity of first air hole H1, first through hole H3 and the second through hole H3 can flexibly be adjusted according to different operating modes
It is whole.
The top surface of adjustable plate 12 is completely covered in waterproof ventilated membrane 14.Waterproof ventilated membrane 14 can be by the macromolecule of waterproof and breathable
Material is made
Solid construction or hollow-core construction can be used in pedestal 111.
For example, in one embodiment, with reference to Fig. 9, the generally solid mechanism of pedestal 111.
Alternately, in another embodiment, with reference to Fig. 2, Fig. 3 and Fig. 8, pedestal 111 has bottom wall 1111 and is arranged on
1111 upside madial wall 1112 of bottom wall, and bottom wall 1111 surrounds second cavity of the opening towards roof 1121 with madial wall 1112
S2.Madial wall 1112 is inserted into the first cavity S1 and is threadedly coupled with lateral wall 1122, and bottom wall 1111 is used to be fixed to babinet 2.The
Two cavity S2 are connected with the first cavity S1, and the second through hole H4 is arranged at bottom wall 1111 and for connecting the second cavity S2 and babinet 2
Inside.Adjustable plate 12 is resisted against the top of madial wall 1112 under the active force of spring 13.With reference to Fig. 2, when adjustable plate 12 supports
When leaning against the top of madial wall 1112, the outer weekly assembly of adjustable plate 12 blocks the second air hole H2, and then separates the second air hole
The connection of H2 and the first cavity S1；At this point, air in babinet 2 via the second through hole H4, the second cavity S2, first through hole H3,
Waterproof ventilated membrane 14, the first cavity S1 and the first air hole H1 discharges.With reference to Fig. 3, slided simultaneously when on adjustable plate 12 vertically Z-direction
When second air hole H2 is opened, the air in babinet 2 can be via the second through hole H4, the second cavity S2, the first cavity S1 and
Two air hole H2 are discharged.
The balanced valve 1 further includes the absorbent material 15 being housed in the second cavity S2.External vapor may be through
By the first air hole H1, the first cavity S1, waterproof ventilated membrane 14 and first through hole H3 into the second cavity S2, and absorbent material
Water vapor absorption can be prevented vapor from entering via the second through hole H4 inside babinet 2 by 15.Absorbent material 15 can be ventilative knot
Structure.
In addition, referring to Figure 2 to Figure 4, the diameter of bottom wall 1111 is more than the outer diameter of madial wall 1112.One can be opened up on babinet 2
A perforate for being equal to 1112 outer diameter of madial wall with diameter, bottom wall 1111 are arranged on inside babinet 2, and madial wall 1112 is from the perforate
It is pierced by, top cover 112 is threadedly coupled from 2 outside of babinet with madial wall 1112.
The position of spring 13 can flexibly be set.For example, in one embodiment, with reference to Fig. 2, the top of spring 13 is fixed on
Waterproof ventilated membrane 14 is fixed in roof 1121 and bottom, and spring 13 applies Z vertically via waterproof ventilated membrane 14 to adjustable plate 12
Downward elastic force, that is to say, that when adjustable plate 12 is resisted against the top of madial wall 1112, spring 13 is in compressive state.It can
Alternatively, in another embodiment, with reference to Fig. 8, adjustable plate 12 is fixed on the top of spring 13 and bottom wall 1111 is fixed in bottom,
Spring 13 applies adjustable plate 12 pulling force under Z-direction vertically, that is to say, that when adjustable plate 12 is resisted against the top of madial wall 1112
During portion, spring 13 is in tensional state.
Preferably, roof 1121 is fixed on the top of spring 13 and waterproof ventilated membrane 14 is fixed in bottom.At this point, pedestal
111 and top cover 112 be the threaded connection of activity, and adjustable plate 12, waterproof ventilated membrane 14 and Air Filter 16 are all in spring 13
The lower fixation for realizing position of elastic force effect, each component is all movable, and therefore, all parts of balanced valve 1 are convenient for disassembly and assembly, can be weighed
It is used for multiple times again.
Secondly battery case of the explanation according to the utility model second aspect.
Referring to figs. 1 to Fig. 9, battery case according to the present utility model is including described in babinet 2, the utility model first aspect
Balanced valve 1 and battery (not shown)；Battery container in babinet 2, the valve body 11 of balanced valve 1 be fixed to babinet 2 and with babinet 2
Inside connection.
For battery case in normal operating conditions, the draught head inside and outside babinet 2 is smaller, and the gas pressure that adjustable plate 12 is subject to is small
In the active force of spring 13, therefore adjustable plate 12 is held in place under the active force of spring 13, to separate the second air hole H2
With the connection inside babinet 2；Simultaneously as the draught head inside and outside babinet 2 is smaller, also there will be no risk of explosion, so babinet 2
Interior air is only needed slowly through first through hole H3,14 and first air hole H1 of waterproof ventilated membrane, and then adjusts babinet 2
Interior inside and outside differential pressure；And waterproof ventilated membrane 14 is also prevented from external liquid and enters in babinet 2.
When battery is generated heat or caught fire due to short circuit, when the air pressure inside babinet 2 increased dramatically, adjustable plate 12 by
The gas pressure arrived be more than spring 13 active force, adjustable plate 12 towards valve body 11 top slide and open the second air hole H2
With the connection inside babinet 2, the air in such babinet 2 just can rapidly be discharged via the second air hole H2, and then fast prompt drop
Air pressure in low babinet 2, prevents battery case from exploding, and improves the security performance of battery case.Air pressure inside babinet 2 is returned to just
During normal state, the gas pressure that adjustable plate 12 is subject to can be less than the active force of spring 13, and adjustable plate 12 is returned to original along axis Z
State separates the second air hole H2 and the connection inside babinet 2, prevents outside liquid or impurity via the second air hole H2 again
Into in babinet 2.
Claims (10)
1. a kind of balanced valve (1), which is characterized in that including valve body (11), adjustable plate (12), spring (13) and waterproof ventilated membrane
(14)；
The bottom of valve body (11) is used to be fixed to babinet (2), and top is equipped with the first air hole (H1) connected with outside, and side is set
There is the second air hole (H2) connected with outside；
(Z) is slidingly arranged at valve body (11) inside and separates the second air hole (H2) and babinet (2) adjustable plate (12) vertically
Internal connection；
Spring (13) is arranged at valve body (11) inside and applies active force (Z) downward vertically to adjustable plate (12), and when tune
When section plate (12) gas pressure for being subject to is more than the active force of spring (13), adjustable plate (12) is towards the top slide of valve body (11)
And open the second air hole (H2) connection internal with babinet (2)；
Adjustable plate (12) is equipped with first through hole (H3), the bottom opening of first through hole (H3) and the connection of babinet (2) inside, and first is logical
The top opening in hole (H3) is connected with the first air hole (H1)；
Waterproof ventilated membrane (14) is fixed on adjustable plate (12) and closes the top opening of first through hole (H3).
2. balanced valve (1) according to claim 1, which is characterized in that
Valve body (11) includes pedestal (111) and top cover (112)；
Top cover (112) has roof (1121) and is looped around the lateral wall (1122) of roof (1121) periphery, roof
(1121) and lateral wall (1122) surrounds first cavity (S1) of the opening towards pedestal (111)；
First air hole (H1) is arranged on the roof (1121) of top cover (112) and is connected with the first cavity (S1), and second is ventilative
Hole (H2) is arranged on the lateral wall (1122) of top cover (112) and is connected with the first cavity (S1)；
Pedestal (111) is inserted into the first cavity (S1) and is fixed on the lateral wall (1122) of top cover (112)；Pedestal (111) is used
In fixed to babinet (2), and equipped with the second through hole (H4) for the first cavity (S1) and babinet (2) inside to be connected；
The first cavity (S1) that adjustable plate (12) is contained in, and the periphery of adjustable plate (12) is bonded and can with lateral wall (1122)
It is slided in axial direction (Z) along lateral wall (1122)；
Adjustable plate (12) is resisted against the top of pedestal (111) under the active force of spring (13), while separates the second air hole
(H2) with the connection of the first cavity (S1).
3. balanced valve (1) according to claim 2, which is characterized in that the second air hole (H2) is multiple and annular spread
In outer side wall (1122), and the multiple second air hole (H2) is corresponded in the position of axial direction (Z).
4. balanced valve (1) according to claim 3, which is characterized in that
Position of second air hole (H2) in axial direction (Z) is not less than the top of pedestal (111)；
The thickness of adjustable plate (12) is more than size of the second air hole (H2) in axial direction (Z).
5. balanced valve (1) according to claim 2, which is characterized in that
Pedestal (111) has bottom wall (1111) and is arranged on madial wall (1112) on the upside of bottom wall (1111), and bottom wall (1111) and
Madial wall (1112) surrounds second cavity (S2) of the opening towards roof (1121)；
Madial wall (1112) is inserted into the first cavity (S1) and is threadedly coupled with lateral wall (1122), and bottom wall (1111) is used to be fixed to
Babinet (2)；
Second cavity (S2) is connected with the first cavity (S1), and the second through hole (H4) is arranged at bottom wall (1111) and for connecting second
The inside of cavity (S2) and babinet (2)；
Adjustable plate (12) is resisted against the top of madial wall (1112) under the active force of spring (13).
6. balanced valve (1) according to claim 5, which is characterized in that
Roof (1121) is fixed on the top of spring (13) and waterproof ventilated membrane (14) is fixed in bottom, and spring (13) is via waterproof
Ventilated membrane (14) applies adjustable plate (12) elastic force (Z) downward vertically；Alternatively,
Adjustable plate (12) is fixed on the top of spring (13) and bottom wall (1111) is fixed in bottom, and spring (13) is to adjustable plate (12)
Apply pulling force (Z) downward vertically.
7. balanced valve (1) according to claim 5, which is characterized in that the balanced valve (1), which further includes, is housed in the second chamber
Absorbent material (15) in body (S2).
8. balanced valve (1) according to claim 5, which is characterized in that the diameter of bottom wall (1111) is more than madial wall
(1112) outer diameter.
9. balanced valve (1) according to claim 2, which is characterized in that the balanced valve (1) further includes Air Filter (16),
It is fixed on the inside of roof (1121) and blocks the first air hole (H1).
10. a kind of battery case, which is characterized in that including babinet (2), the balanced valve according to any one of claim 1-9
(1) and battery；
In babinet (2), the valve body (11) of balanced valve (1) is fixed to babinet (2) and connects with the inside of babinet (2) battery container
It is logical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721631176.2U CN207441831U (en) | 2017-11-29 | 2017-11-29 | Balanced valve and battery case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721631176.2U CN207441831U (en) | 2017-11-29 | 2017-11-29 | Balanced valve and battery case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207441831U true CN207441831U (en) | 2018-06-01 |
Family
ID=62285239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721631176.2U Active CN207441831U (en) | 2017-11-29 | 2017-11-29 | Balanced valve and battery case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207441831U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931685A (en) * | 2018-09-20 | 2020-03-27 | 郑州宇通客车股份有限公司 | Ventilation valve and battery box using same |
| CN111561982A (en) * | 2020-06-17 | 2020-08-21 | 烟台创为新能源科技股份有限公司 | Liquid level detection device and box with same |
| CN114503343A (en) * | 2019-10-07 | 2022-05-13 | 日本烟草国际股份有限公司 | Energy storage assembly device for aerosol generating device |
| CN114639902A (en) * | 2020-12-16 | 2022-06-17 | 比亚迪股份有限公司 | Battery cover plate assembly and battery |
| WO2023060593A1 (en) * | 2021-10-15 | 2023-04-20 | 宁德时代新能源科技股份有限公司 | Battery box, battery, and electrical device |
| WO2023098596A1 (en) * | 2021-12-01 | 2023-06-08 | 宁德时代新能源科技股份有限公司 | Explosion-proof valve |
-
2017
- 2017-11-29 CN CN201721631176.2U patent/CN207441831U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931685A (en) * | 2018-09-20 | 2020-03-27 | 郑州宇通客车股份有限公司 | Ventilation valve and battery box using same |
| CN114503343A (en) * | 2019-10-07 | 2022-05-13 | 日本烟草国际股份有限公司 | Energy storage assembly device for aerosol generating device |
| CN111561982A (en) * | 2020-06-17 | 2020-08-21 | 烟台创为新能源科技股份有限公司 | Liquid level detection device and box with same |
| CN114639902A (en) * | 2020-12-16 | 2022-06-17 | 比亚迪股份有限公司 | Battery cover plate assembly and battery |
| CN114639902B (en) * | 2020-12-16 | 2023-06-13 | 比亚迪股份有限公司 | Cover plate assembly of battery and battery |
| WO2023060593A1 (en) * | 2021-10-15 | 2023-04-20 | 宁德时代新能源科技股份有限公司 | Battery box, battery, and electrical device |
| WO2023098596A1 (en) * | 2021-12-01 | 2023-06-08 | 宁德时代新能源科技股份有限公司 | Explosion-proof valve |
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