CN218472196U - Explosion-proof valve subassembly and battery package - Google Patents
Explosion-proof valve subassembly and battery package Download PDFInfo
- Publication number
- CN218472196U CN218472196U CN202222596507.0U CN202222596507U CN218472196U CN 218472196 U CN218472196 U CN 218472196U CN 202222596507 U CN202222596507 U CN 202222596507U CN 218472196 U CN218472196 U CN 218472196U
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- Prior art keywords
- explosion
- proof valve
- valve body
- proof
- valve assembly
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- 239000012528 membrane Substances 0.000 claims abstract description 37
- 230000001681 protective effect Effects 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 14
- 239000010865 sewage Substances 0.000 claims description 9
- 238000004880 explosion Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004576 sand Substances 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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/317—Re-sealable arrangements
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model relates to a battery technology field especially relates to an explosion-proof valve subassembly, including explosion-proof valve main part and ventilated membrane. Run through in the explosion-proof valve main part and be provided with well cavity, explosion-proof valve main part includes first end, and first end is connected in the battery package main part, and explosion-proof valve main part includes the direction section, and the direction section sets up with well cavity is coaxial, and the internal diameter of direction section is followed first direction and is crescent. The ventilated membrane sets up in cavity, and along first direction, first end, ventilated membrane and direction section set gradually. Through setting up direction section and drain, help the direction that the ventilated membrane was kept away from to the filth orientation to the one end of keeping away from the battery package main part from explosion-proof valve main part is discharged, thereby has avoided the filth to cause the risk of explosion-proof valve subassembly inefficacy. The utility model also provides a battery package, including battery package main part and foretell explosion-proof valve subassembly, this battery package can prevent that explosion-proof valve subassembly from becoming invalid.
Description
Technical Field
The utility model relates to a battery technology field especially relates to an explosion-proof valve subassembly and battery package.
Background
The battery pack is installed above a chassis of the whole vehicle, the vehicle can pass through a road section with muddy water or dusty sand in the use process, and after a period of time, dirt such as water and dust is easily deposited at a breathable film of the anti-explosion valve assembly, so that the elastic deformation of the breathable film is easily influenced, and the anti-explosion valve assembly fails.
Therefore, an explosion-proof valve assembly and a battery pack are needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at: provided is an explosion-proof valve assembly capable of preventing the explosion-proof valve assembly from failing.
To achieve the purpose, the utility model adopts the following technical proposal:
there is provided an explosion-proof valve assembly comprising:
the explosion-proof valve comprises an explosion-proof valve body, a hollow cavity is arranged in the explosion-proof valve body in a penetrating mode, the explosion-proof valve body comprises a first end, the first end is connected to a battery pack body, the explosion-proof valve body comprises a guide section, the guide section and the hollow cavity are coaxially arranged, and the inner diameter of the guide section is gradually increased along a first direction;
the ventilated membrane is arranged in the hollow cavity and is arranged along the first direction, and the first end, the ventilated membrane and the guide section are sequentially arranged.
As a preferred scheme of the explosion-proof valve component, the explosion-proof valve further comprises a guide pipe, the explosion-proof valve main body further comprises a second end, the guide pipe is clamped at the second end, and the hollow cavity is communicated with an inner cavity of the guide pipe.
As a preferable mode of the explosion-proof valve assembly, the guide pipe is arranged to be opened downward away from one end of the explosion-proof valve main body.
As a preferable scheme of the explosion-proof valve assembly, the guide pipe comprises a horizontal pipe and a vertical pipe which are connected, the horizontal pipe is clamped at the second end, and an opening at one end of the vertical pipe is arranged downwards.
As a preferable scheme of the explosion-proof valve assembly, the explosion-proof valve assembly further comprises a first protection cover, and the first protection cover is arranged at a port of the guide pipe far away from the explosion-proof valve body; and/or the air permeable membrane also comprises a second protective cover, and the second protective cover covers one side of the air permeable membrane far away from the guide section.
As a preferable scheme of the explosion-proof valve component, a sewage draining outlet is formed in the side wall, close to the guide section, of the explosion-proof valve main body.
As a preferable scheme of the explosion-proof valve assembly, a step part is arranged on the inner wall of the main body of the explosion-proof valve, the step part comprises a supporting surface perpendicular to the axial direction of the main body of the explosion-proof valve, and the breathable membrane is welded on the supporting surface.
As a preferred scheme of the explosion-proof valve component, the explosion-proof valve component further comprises a needle seat and an explosion-proof valve needle connected to the needle seat, wherein the needle seat and the explosion-proof valve needle are arranged in the hollow cavity, the needle seat is connected to the explosion-proof valve main body, and the explosion-proof valve needle is arranged at the downstream of the breathable film along the first direction.
As a preferred scheme of the explosion-proof valve component, the explosion-proof valve component further comprises a sealing ring, a limiting groove is annularly arranged on the outer wall of the explosion-proof valve main body, the sealing ring is arranged in the limiting groove, and the sealing ring is used for sealing the joint of the explosion-proof valve main body and the battery pack main body.
The utility model discloses a another aim at: provided is a battery pack capable of preventing failure of an explosion-proof valve assembly.
To achieve the purpose, the utility model adopts the following technical proposal:
a battery pack is provided, which comprises a battery pack main body and the explosion-proof valve assembly.
The utility model has the advantages that:
the utility model provides an explosion-proof valve subassembly, including explosion-proof valve main part and ventilated membrane. Wherein, run through in the explosion-proof valve main part and be provided with well cavity, explosion-proof valve main part includes first end, and first end is connected in the battery package main part, and explosion-proof valve main part includes the direction section, and the direction section sets up with well cavity is coaxial, and the internal diameter of direction section is crescent along the first direction. The ventilated membrane sets up in the cavity, and along the first direction, first end, ventilated membrane and direction section set gradually. That is, dirt such as water and dust entering the hollow cavity from the end of the explosion-proof valve body far away from the battery pack body can be deposited in the hollow cavity for a period of time and is positioned on the side of the breathable film far away from the battery pack body. Through setting up the direction section, help the filth to remove towards the direction of keeping away from the ventilated membrane to the one end of keeping away from the battery package main part from the explosion-proof valve main part is discharged, thereby has avoided the filth to cause the risk of explosion-proof valve subassembly inefficacy.
The utility model provides a battery pack, including battery pack main part and foretell explosion-proof valve subassembly, the explosion-proof valve main part of this battery pack helps the filth to move towards the direction of keeping away from the ventilated membrane through setting up the direction section to the one end of keeping away from the battery pack main part from the explosion-proof valve main part is discharged, thereby has avoided the filth to cause the risk of explosion-proof valve subassembly inefficacy.
Drawings
Fig. 1 is a schematic structural view of an explosion-proof valve assembly provided by an embodiment of the invention;
FIG. 2 is a partial exploded view of an explosion-proof valve assembly provided by an embodiment of the present invention;
fig. 3 is an exploded view of an explosion-proof valve assembly provided by an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an explosion-proof valve body provided by an embodiment of the invention;
fig. 5 is a sectional view of an explosion-proof valve body according to an embodiment of the present invention.
In the figure:
1. an explosion-proof valve body; 11. a first end; 12. a guide section; 13. a sewage draining outlet; 14. a second end; 15. a step portion; 151. a support surface; 16. a limiting groove; 17. a first clamping through hole; 18. a second clamping protrusion;
2. a gas permeable membrane;
3. a guide tube; 31. a horizontal tube; 311. a second clamping through hole; 32. a vertical tube; 321. a third clamping through hole;
4. a first protective cover; 41. a third clamping protrusion;
5. a second protective cover; 51. a first clamping protrusion;
6. a needle seat;
7. an explosion-proof valve needle;
8. and (5) sealing rings.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some but not all of the elements relevant to the present invention are shown in the drawings.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection or a detachable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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 under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 to 5, the explosion-proof valve assembly of the present embodiment includes an explosion-proof valve body 1 and a gas permeable membrane 2. Wherein, run through in the explosion-proof valve main part 1 and be provided with well cavity, explosion-proof valve main part 1 includes first end 11, and first end 11 is connected in the battery package main part, and explosion-proof valve main part 1 includes direction section 12, and direction section 12 sets up with well cavity is coaxial, and the internal diameter of direction section 12 is followed the first direction and is crescent. Preferably, the lateral wall that explosion-proof valve main part 1 is close to guide section 12 has seted up drain 13, and preferably, drain 13 communicates in well cavity, and is located the cavity wall in the below of well cavity, and guide section 12 makes the filth pile up in close to drain 13 department, and the filth is discharged through drain 13 under the action of gravity. The first direction is the axial direction of the explosion-proof valve body 1 and is directed to the guide tube 3. The ventilated membrane 2 is arranged in the hollow cavity, and the first end 11, the ventilated membrane 2, the guide section 12 and the sewage outlet 13 are sequentially arranged along the first direction. That is, dirt such as water and dust entering the hollow cavity from the end of the explosion-proof valve body 1 far away from the battery pack body may be deposited in the hollow cavity after a period of time, and is located on the side of the gas permeable membrane 2 far away from the battery pack body. Through setting up direction section 12 and drain 13, help the filth to move towards the direction of keeping away from ventilated membrane 2 to keep away from the one end or the drain 13 discharge of battery package main part from explosion-proof valve main part 1, thereby avoided the filth to influence the pressurized deformation of ventilated membrane 2, caused the risk of explosion-proof valve subassembly inefficacy.
In order to prevent the sewage from entering the hollow cavity from the sewage draining outlet 13, preferably, an acute angle is formed between the axial direction of the sewage draining outlet 13 and the axial direction of the explosion-proof valve main body 1, namely, the area of one end, far away from the hollow cavity, of the sewage draining outlet 13 gradually increases towards the end close to the hollow cavity, namely, the sewage draining outlet 13 is obliquely arranged.
Preferably, the explosion-proof valve assembly further comprises a guide pipe 3, the explosion-proof valve body 1 further comprises a second end 14, the guide pipe 3 is clamped at the second end 14, and the hollow cavity is communicated with the inner cavity of the guide pipe 3. Optionally, a second clamping protrusion 18 is arranged on the explosion-proof valve main body 1, a second clamping through hole 311 is formed in the side wall of the guide pipe 3, and the second clamping protrusion 18 is matched with the second clamping through hole 311 to realize quick clamping.
Preferably, the end of the guide tube 3, which is far away from the explosion-proof valve body 1, is opened downwards, and since the explosion-proof valve assembly is installed at the rear end of the battery pack, the sprayed gas can be prevented from harming passengers when thermal runaway of the battery pack occurs.
Preferably, the guide tube 3 comprises a horizontal tube 31 and a vertical tube 32 which are connected, the horizontal tube 31 is clamped on the explosion-proof valve body 1, and one end of the vertical tube 32 is arranged with an opening facing downwards.
Preferably, this explosion-proof valve subassembly still includes first protective cover 4, and first protective cover 4 lid is established and is kept away from the port department of explosion-proof valve main part 1 at stand pipe 3 to prevent at the vehicle in-process that goes, have great object to get into well cavity, punctures ventilated membrane 2.
Optionally, 4 joints of first protective cover are in stand pipe 3, optionally, are provided with third joint protrusion 41 on 4 of first protective cover, have seted up third joint through-hole 321 on the lateral wall of stand pipe 3, and third joint protrusion 41 cooperatees with third joint through-hole 321 to realize quick joint.
Preferably, the explosion-proof valve assembly further comprises a second protective cover 5, and the second protective cover 5 covers the side of the gas-permeable membrane 2 far away from the guide section 12. Because the distance between ventilated membrane 2 and the explosion-proof needle 7 is very little, set up second visor 5 and can prevent artificially touching ventilated membrane 2 in the assembling process to make ventilated membrane 2 contact explosion-proof needle 7, cause ventilated membrane 2 to puncture.
Optionally, the second protective cover 5 is clamped to the explosion-proof valve main body 1, optionally, a first clamping protrusion 51 is arranged on the second protective cover 5, a first clamping through hole 17 is formed in the side wall of the explosion-proof valve main body 1, and the first clamping protrusion 51 is matched with the first clamping through hole 17 to achieve rapid clamping.
In order to fix the position of the gas permeable membrane 2 in the hollow cavity, preferably, the inner wall of the explosion-proof valve main body 1 is provided with a step part 15, the step part 15 comprises a supporting surface 151 perpendicular to the axial direction of the explosion-proof valve main body 1, and the gas permeable membrane 2 is welded on the supporting surface 151.
Preferably, the explosion-proof valve component further comprises a needle seat 6 and an explosion-proof valve needle 7 connected to the needle seat 6, wherein the needle seat 6 and the explosion-proof valve needle 7 are both arranged in the hollow cavity, the needle seat 6 is connected to the explosion-proof valve body 1, and the explosion-proof valve needle 7 is arranged at the downstream of the air permeable membrane 2 along the first direction.
Preferably, the explosion-proof valve component further comprises a sealing ring 8, a limiting groove 16 is annularly arranged on the outer wall of the explosion-proof valve main body 1, the sealing ring 8 is arranged in the limiting groove 16, and the sealing ring 8 is used for sealing the joint of the explosion-proof valve main body 1 and the battery pack main body so as to ensure the sealing performance between the battery pack main body and the explosion-proof valve main body 1.
The embodiment provides a battery pack, including battery pack main part and foretell explosion-proof valve subassembly, this battery pack's explosion-proof valve main part 1 helps the filth to move towards the direction of keeping away from ventilated membrane 2 through setting up direction section 12 to one end discharge that the battery pack main part was kept away from to explosion-proof valve main part 1, thereby avoided the filth to cause the risk of explosion-proof valve subassembly inefficacy.
It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An explosion-proof valve assembly, comprising:
the anti-explosion valve comprises an anti-explosion valve body (1), wherein a hollow cavity is arranged in the anti-explosion valve body (1) in a penetrating manner, the anti-explosion valve body (1) comprises a first end (11), the first end (11) is connected to a battery pack body, the anti-explosion valve body (1) comprises a guide section (12), the guide section (12) and the hollow cavity are coaxially arranged, and the inner diameter of the guide section (12) is gradually increased along a first direction;
the air-permeable membrane (2), the air-permeable membrane (2) sets up in the cavity, and follow the first direction, first end (11), air-permeable membrane (2) and direction section (12) set gradually.
2. An explosion-proof valve assembly according to claim 1, further comprising a guide tube (3), wherein the explosion-proof valve body (1) further comprises a second end (14), the guide tube (3) is clamped at the second end (14), and the hollow cavity is communicated with an inner cavity of the guide tube (3).
3. Explosion-proof valve assembly according to claim 2, characterized in that the end of the guide tube (3) remote from the explosion-proof valve body (1) is open downwards.
4. An explosion-proof valve assembly according to claim 3, characterized in that the guide tube (3) comprises a horizontal tube (31) and a vertical tube (32) connected, the horizontal tube (31) being snapped into the second end (14), the vertical tube (32) being open at one end and disposed downwards.
5. An explosion-proof valve assembly according to claim 2, further comprising a first protective cap (4), the first protective cap (4) covering a port of the guide tube (3) remote from the explosion-proof valve body (1);
and/or a second protective cover (5) is further included, and the second protective cover (5) is arranged on the side, far away from the guide section (12), of the air permeable membrane (2).
6. An explosion-proof valve assembly as claimed in any one of claims 1 to 5, characterized in that the side wall of the explosion-proof valve body (1) adjacent to the guide section (12) is provided with a sewage discharge outlet (13).
7. An explosion-proof valve assembly according to any one of claims 1 to 5, characterized in that the inner wall of the explosion-proof valve body (1) is provided with a step (15), the step (15) comprising a support surface (151) perpendicular to the axial direction of the explosion-proof valve body (1), the gas permeable membrane (2) being welded to the support surface (151).
8. Explosion-proof valve assembly according to any one of claims 1 to 5, further comprising a needle seat (6) and an explosion-proof needle (7) connected to the needle seat (6), the needle seat (6) and the explosion-proof needle (7) both being arranged within the hollow cavity, the needle seat (6) being connected to the explosion-proof valve body (1), the explosion-proof needle (7) being arranged downstream of the gas permeable membrane (2) in the first direction.
9. An explosion-proof valve assembly according to any one of claims 1 to 5, further comprising a sealing ring (8), wherein a limiting groove (16) is annularly arranged on the outer wall of the explosion-proof valve body (1), the sealing ring (8) is arranged in the limiting groove (16), and the sealing ring (8) is used for sealing the connection part of the explosion-proof valve body (1) and the battery pack body.
10. A battery pack comprising a battery pack body and an explosion-proof valve assembly as claimed in any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222596507.0U CN218472196U (en) | 2022-09-29 | 2022-09-29 | Explosion-proof valve subassembly and battery package |
| PCT/CN2022/125875 WO2024065896A1 (en) | 2022-09-29 | 2022-10-18 | Explosion-proof valve assembly and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222596507.0U CN218472196U (en) | 2022-09-29 | 2022-09-29 | Explosion-proof valve subassembly and battery package |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218472196U true CN218472196U (en) | 2023-02-10 |
Family
ID=85144367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222596507.0U Active CN218472196U (en) | 2022-09-29 | 2022-09-29 | Explosion-proof valve subassembly and battery package |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN218472196U (en) |
| WO (1) | WO2024065896A1 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035900B (en) * | 2017-05-03 | 2023-05-12 | 惠州市沃瑞科技有限公司 | Be applied to and open balanced explosion-proof valve of power failure source |
| CN206988487U (en) * | 2017-05-03 | 2018-02-09 | 惠州市沃瑞科技有限公司 | One kind is applied to V48 volt start and stop power balancing explosion-proof valves |
| CN112310552B (en) * | 2020-02-28 | 2023-01-31 | 宁德时代新能源科技股份有限公司 | Explosion-proof valve, battery pack and device |
| CN214232472U (en) * | 2020-09-03 | 2021-09-21 | 宁德时代新能源科技股份有限公司 | Battery fire protection device, battery box, battery package and consumer |
| WO2022134123A1 (en) * | 2020-12-26 | 2022-06-30 | 宁德时代新能源科技股份有限公司 | Valve, battery, electric device, and manufacturing device and method for valve |
| CN113314797A (en) * | 2021-05-10 | 2021-08-27 | 湖北亿纬动力有限公司 | Explosion-proof valve and battery box |
| CN215578940U (en) * | 2021-05-10 | 2022-01-18 | 湖北亿纬动力有限公司 | Explosion-proof valve and battery box |
-
2022
- 2022-09-29 CN CN202222596507.0U patent/CN218472196U/en active Active
- 2022-10-18 WO PCT/CN2022/125875 patent/WO2024065896A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024065896A1 (en) | 2024-04-04 |
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