CN105720221B - A kind of metalwork pressure explosion-proof pressure release balanced valve applied to compact battery packet - Google Patents
A kind of metalwork pressure explosion-proof pressure release balanced valve applied to compact battery packet Download PDFInfo
- Publication number
- CN105720221B CN105720221B CN201610284610.8A CN201610284610A CN105720221B CN 105720221 B CN105720221 B CN 105720221B CN 201610284610 A CN201610284610 A CN 201610284610A CN 105720221 B CN105720221 B CN 105720221B
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- Prior art keywords
- explosion
- proof
- valve body
- metalwork
- pressure release
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- 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
-
- 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
- H01M50/394—Gas-pervious parts or elements
-
- 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 invention discloses a kind of metalwork pressure explosion-proof pressure release balanced valves applied to compact battery packet; including explosion-proof valve body; one end of the explosion-proof valve body is connect by guiding axis with protection cap; the other end of the explosion-proof valve body is flexibly connected by conversion seat with metal nuts; compression spring is equipped between the guiding axis and the protection cap, the explosion-proof valve body, conversion seat, metal nuts component adjacent to each other are flexibly connected by screw thread.Metalwork pressure explosion-proof pressure release balanced valve applied to compact battery packet of the invention has the characteristics that protective performance is excellent, easy to use, low in cost, air-tightness is good and good waterproof performance.
Description
Technical field
The present invention relates to battery anti-explosion valve technology field, specially a kind of metalwork pressure applied to compact battery packet is anti-
Quick-fried pressure release balanced valve.
Background technique
The product being applied on compact battery packet PACK currently on the market, mainly commonly in compact battery packet power supply lid
On using with surface a kind of in traditional metal laser welding manner sealing welding with groove line aluminium foil pressure release produce
Product, there are the characteristics of are as follows: processing method is complicated, and pressure release blow-up point opening point pressure value is higher, and product can not be again after pressure release
Recycling realizes that performance is weaker using and with connect the air-leakage test that cannot achieve entire battery pack after battery pack PACK.
Summary of the invention
The object of the present invention is to provide a kind of metalwork pressure explosion-proof pressure release balanced valves applied to compact battery packet, have
The characteristics of protective performance is excellent, easy to use, low in cost, air-tightness is good and good waterproof performance.
The present invention can be achieved through the following technical solutions:
The invention discloses a kind of metalwork pressure explosion-proof pressure release balanced valves applied to compact battery packet, including explosion-proof valve
One end of main body, the explosion-proof valve body is connect by guiding axis with protection cap, and the other end of the explosion-proof valve body is by turning
Seat is changed to be flexibly connected with metal nuts, between the guiding axis and the protection cap be equipped with compression spring, the explosion-proof valve body,
Conversion seat, metal nuts component adjacent to each other are flexibly connected by screw thread.Functionally, metalwork pressure of the present invention
Explosion-proof relief balanced valve basic function is to reach the adjusting requirement of internal and external pressure balance for battery case, by the way that pressure bullet is arranged
Spring is realized the two kinds of working conditions for leading directly to and sealing with air by adjusting the decrement of internal pressure spring, is realized low
Very fast pressure release explosion when pressure spot, battery core extremely exhaust after, can Quick air-discharge, in a very short period of time complete realize quickly let out
Work is pressed, prevents pressure excessive and battery case other structures part is damaged, protective performance is excellent；In structure design, pass through
By the way of screw thread flexible connection, the portable installation of rotation of metalwork pressure explosion-proof pressure release balanced valve sealing structure is realized,
Simplify installation process, using very convenient simple；In addition, in structure design can also be real by the way of screw thread flexible connection
It realizes that repeatability assembling uses after the operating condition that now reaches capacity functional requirement, avoids product from selecting cost waste, metal is effectively reduced
The use cost of part pressure explosion-proof pressure release balanced valve.
Further, the threaded connection place of the metal nuts and the conversion seat is nested with silica gel sealing ring, and described turn
The threaded connection place for changing seat and the explosion-proof valve body is nested with detachable sealing ring.By being used cooperatively such as in inside configuration
Silica gel sealing ring, detachable sealing ring etc. seal flexible glue part to realize the structure design of sealing function, and metalwork has been effectively ensured
The air-tightness of pressure explosion-proof pressure release balanced valve.
Further, press-in cooperation is connected with rubber seal between the explosion-proof valve body and the guiding axis, described
Rubber seal is fitted with waterproof ventilated membrane in the side for being bonded explosion-proof valve body.By being used cooperatively such as rubber in inside configuration
Glue sealing ring etc. seals flexible glue part to realize the structure design of sealing function, and metalwork pressure explosion-proof pressure release balance has been effectively ensured
The air-tightness of valve.
Further, the side wall that the waterproof ventilated membrane is fitted in the rubber seal by heating integrated molding.
It realizes that waterproof ventilated membrane is fitted in the side wall of rubber seal by hot melt integrated molding, both ensure that the close of the two contact
Influence caused by property avoids contact with the bad air-tightness waterproof ventilated membrane, and make full use of the support carrier of rubber seal side wall
Effect promotes the degree that waterproof ventilated membrane bears pressure, effectively extends waterproof ventilated membrane under the premise of guaranteeing air-tightness requirement
Service life.
Further, the guiding axis is gap-matched with the compression spring and connect.Connect by using clearance fit
It connects, makes compression spring that there is certain decrement between guiding axis and protection cap, to meet by adjusting internal pressure bullet
The decrement of spring is realized and air is straight-through and the requirement of two kinds of working conditions that seals.
Further, the waterproof ventilated membrane is e-PTFE material film, and degree of protection reaches IP67 standard, meets
IPXXD, IPXXB standard.
Further, the guiding axis is two stage steps shape casing, is embedded in inside explosion-proof valve body counterbore including activity
Level-one step socket part and two stage steps socket part in step-like decline, the compression spring are nested in two stage steps socket part
Outer wall, the rubber seal is fastened and connected in the oral area of level-one step socket part.Guiding axis is set as two stage steps
Shape casing can both guarantee that guiding axis was embedded in the compactness of explosion-proof valve body counterbore interior contact, and in turn ensure that compression spring existed
It limits and is fixed between guiding axis and protection cap under the premise of retaining certain decrement on guiding axis, pressure release is avoided to fail.
Further, the explosion-proof valve body is fixedly connected with the protection cap by riveted mode.Pass through riveted
Mode realizes that simply connectivity is good, is convenient for large-scale production.
Further, the protection cap is metal material lid, and mechanical strength with higher guarantees that metalwork pressure is anti-
Quick-fried pressure release balanced valve safety with higher.
Further, the assembly method of the metalwork pressure explosion-proof pressure release balanced valve are as follows: first by waterproof ventilated membrane with
Rubber seal hot melt integrated molding is put into guiding axis well, on the end face that compression spring is fixed on to guiding axis,
Then the above-mentioned component assembled is put into explosion-proof valve body counterbore, then by protection cap by the way of riveting riveting to anti-
On quick-fried valve body one end；The product combined is finally inserted in detachable sealing ring on being rotatably mounted on conversion seat, then
It is inserted in silica gel sealing ring and metal nuts.In use, product can be completed by the combination with one another of different components
Assembling, entire assembling process very simple, efficiently, effectively improve the efficiency of production.
A kind of metalwork pressure explosion-proof pressure release balanced valve applied to compact battery packet of the present invention, has following beneficial effect
Fruit:
The first, protective performance is excellent, by the way that compression spring is arranged, is realized by adjusting the decrement of internal pressure spring
The two kinds of working conditions for leading directly to and sealing with air, realize the very fast pressure release explosion in low pressure point, after battery core extremely exhaust,
Can Quick air-discharge, in a very short period of time complete realize quick pressure releasing movement, prevent pressure excessive to battery case other structures part
It damages, protective performance is excellent；
The second, easy to use, by using the mode that screw thread is flexibly connected, realize metalwork pressure explosion-proof pressure release balanced valve
The portable installation of the rotation of sealing structure simplifies installation process, using very convenient simple；
It is third, low in cost, the work that reaches capacity can also be realized by the way of screw thread flexible connection in structure design
It realizes that repeatability assembling uses after condition functional requirement, avoids product from selecting cost waste, metalwork pressure explosion-proof is effectively reduced and lets out
Press the use cost of balanced valve；
4th, air-tightness is good, by being used cooperatively such as silica gel sealing ring, detachable sealing ring, rubber in inside configuration
Sealing ring etc. seals flexible glue part to realize the structure design of sealing function, and metalwork pressure explosion-proof pressure release balanced valve has been effectively ensured
Air-tightness；
5th, good waterproof performance realize that waterproof ventilated membrane is fitted in the side wall of rubber seal by hot melt integrated molding,
Ensure that influences to improve waterproofness caused by the compactness of the two contact avoids contact with the bad air-tightness waterproof ventilated membrane, together
When also by selecting e-PTFE material film on waterproof ventilated membrane, degree of protection reaches IP67 standard, meets IPXXD, IPXXB
Standard.
Detailed description of the invention
Attached drawing 1 is that a kind of metalwork pressure explosion-proof pressure release balanced valve decomposition texture applied to compact battery packet of the present invention shows
It is intended to；
Attached drawing 2 is that a kind of total assembling structure of metalwork pressure explosion-proof pressure release balanced valve applied to compact battery packet of the present invention shows
It is intended to；
Attached drawing 3 is that a kind of metalwork pressure explosion-proof pressure release balanced valve internal structure applied to compact battery packet of the present invention is shown
It is intended to；
Label includes: 1, metal nuts in attached drawing, 2, silica gel sealing ring, 3, conversion seat, 4, detachable sealing ring, and 5, explosion-proof
Valve body, 6, waterproof ventilated membrane, 7, rubber seal, 8, guiding axis, 9, compression spring, 10, protection cap, 81, level-one step set
Socket part, 82, two stage steps socket part.
Specific embodiment
In order that those skilled in the art will better understand the technical solution of the present invention, below with reference to examples and drawings
Product of the present invention is described in further detail.
As shown in Figures 1 to 3, the invention discloses a kind of metalwork pressure explosion-proof pressure release balances applied to compact battery packet
One end of valve, including explosion-proof valve body 5, the explosion-proof valve body 5 is connect by guiding axis 8 with protection cap 10, the explosion-proof valve
The other end of main body 5 is flexibly connected by conversion seat 3 with metal nuts 1, is equipped between the guiding axis 8 and the protection cap 10
Compression spring 9, the explosion-proof valve body 5, conversion seat 3, metal nuts 1 component adjacent to each other are flexibly connected by screw thread.
Further, the metal nuts 1 and the threaded connection place of the conversion seat 3 are nested with silica gel sealing ring 2, described
The threaded connection place of conversion seat 3 and the explosion-proof valve body 5 is nested with detachable sealing ring 4.The explosion-proof valve body 5 with it is described
Press-in cooperation is connected with rubber seal 7 between guiding axis 8, and the rubber seal 7 is pasted in the side for being bonded explosion-proof valve body 5
Conjunction has waterproof ventilated membrane 6.The side wall that the waterproof ventilated membrane 6 is fitted in the rubber seal 7 by heating integrated molding.
The guiding axis 8 is gap-matched with the compression spring 9 and connect.The waterproof ventilated membrane 6 is e-PTFE material film.Institute
Stating guiding axis 8 is two stage steps shape casing, is embedded in 81 He of level-one step socket part inside explosion-proof 5 counterbore of valve body including activity
In the two stage steps socket part 82 of step-like decline, the compression spring 9 is nested in the outer wall of two stage steps socket part 82, described
Rubber seal 7 is fastened and connected in the oral area of level-one step socket part 81.The explosion-proof valve body 5 and the protection cap 10
It is fixedly connected by riveted mode.The protection cap 10 is metal material lid.
Embodiment 2
As shown in Figures 1 to 3, the invention discloses a kind of metalwork pressure explosion-proof pressure release balances applied to compact battery packet
Valve, the assembly method of the metalwork pressure explosion-proof pressure release balanced valve are as follows: first by 7 heat of waterproof ventilated membrane 6 and rubber seal
Molten integrated molding is put into well in guiding axis 8, then will be above-mentioned on the end face that compression spring 9 is fixed on guiding axis 8
The component assembled is put into explosion-proof 5 counterbore of valve body, then by protection cap 10 by the way of riveting riveting to explosion-proof valve master
On 5 one end of body；The product combined is finally inserted in detachable sealing ring 4 on being rotatably mounted on conversion seat 3, then is inserted in
Silica gel sealing ring 2 and metal nuts 1.
The working principle of metalwork pressure explosion-proof pressure release balanced valve of the present invention are as follows: battery pack is operated in work condition state
When, due to the running of battery pack internal component, corresponding temperature change can be generated, to can be formed relatively in outside air
The positive and negative pressure answered can pass through the waterproof ventilated membrane inside metalwork pressure explosion-proof pressure release balanced valve when generating the above problem
6 realizations are corresponding to obtain two-way airing function, and external water and liquid is prevented to enter the inside of seal cavity, realizes interior outgoing call
The effect of suction.When abnormal work problem occurs in battery pack, a higher pressure can be generated inside battery pack within the time of anxious section
Force, impacting shell and internal component can drive inside metalwork pressure explosion-proof pressure release balanced valve when there is the above problem
The compression spring 9 of status sealed silicone is realized again is once quickly pushed to inner air and extraneous realization in a short time directly
Logical mode, while waterproof ventilated membrane 6 is also in mutual permeation functions, finally within the unit time it is shorter lose heart it is biggish
Internal pressure has realized the principle for the purpose of internal and external pressure balance.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the present invention in any form；It is all
The those of ordinary skill of the industry can be shown in by specification attached drawing and described above and swimmingly implement the present invention；But it is all
Those skilled in the art without departing from the scope of the present invention, using disclosed above technology contents
The equivalent variations for a little variation, modification and evolution made is equivalent embodiment of the invention；Meanwhile it is all according to the present invention
Substantial technological any equivalent variations to the above embodiments variation, modification and evolution etc., still fall within of the invention
Within the protection scope of technical solution.
Claims (7)
1. a kind of metalwork pressure explosion-proof pressure release balanced valve applied to compact battery packet, including explosion-proof valve body (5), feature
Be: one end of the explosion-proof valve body (5) is connect by guiding axis (8) with protection cap (10), the explosion-proof valve body (5)
The other end is flexibly connected by conversion seat (3) with metal nuts (1), is set between the guiding axis (8) and the protection cap (10)
Have compression spring (9), the guiding axis (8) is two stage steps shape casing, including activity is embedded in inside explosion-proof valve body (5) counterbore
Level-one step socket part (81) and two stage steps socket part (82) in step-like decline, the compression spring (9) be nested in
The outer wall of two stage steps socket part (82), rubber seal (7) are fastened and connected in the oral area of level-one step socket part (81),
The explosion-proof valve body (5), conversion seat (3), metal nuts (1) component adjacent to each other are flexibly connected by screw thread, the gold
The nut junction for belonging to nut (1) and the conversion seat (3) is nested with silica gel sealing ring (2), and the conversion seat (3) is prevented with described
The threaded connection place of quick-fried valve body (5) is nested with detachable sealing ring (4), the explosion-proof valve body (5) and the guiding axis (8)
Between press-in cooperation be connected with rubber seal (7), the rubber seal (7) is pasted in the side for being bonded explosion-proof valve body (5)
Conjunction has waterproof ventilated membrane (6).
2. the metalwork pressure explosion-proof pressure release balanced valve according to claim 1 applied to compact battery packet, feature exist
In: the side wall that the waterproof ventilated membrane (6) is fitted in the rubber seal (7) by heating integrated molding.
3. the metalwork pressure explosion-proof pressure release balanced valve according to claim 1 applied to compact battery packet, feature exist
In: the guiding axis (8) is gap-matched with the compression spring (9) to be connect.
4. the metalwork pressure explosion-proof pressure release balanced valve according to claim 2 or 3 applied to compact battery packet, feature
Be: the waterproof ventilated membrane (6) is e-PTFE material film.
5. the metalwork pressure explosion-proof pressure release balanced valve according to claim 4 applied to compact battery packet, feature exist
In: the explosion-proof valve body (5) is fixedly connected with the protection cap (10) by riveted mode.
6. the metalwork pressure explosion-proof pressure release balanced valve according to claim 5 applied to compact battery packet, feature exist
In: the protection cap (10) is metal material lid.
7. the metalwork pressure explosion-proof pressure release balanced valve according to claim 5 applied to compact battery packet, feature exist
In: the assembly method of the metalwork pressure explosion-proof pressure release balanced valve are as follows: first by waterproof ventilated membrane (6) and rubber seal
(7) hot melt integrated molding is put into well in guiding axis (8), then compression spring (9) is fixed on to an end face of guiding axis (8)
On, then the above-mentioned component assembled is put into explosion-proof valve body (5) counterbore, then protection cap (10) are used to the side of riveting
On formula riveting to (5) one sections of explosion-proof valve body, the product combined is finally inserted in detachable sealing ring (4) and is rotatably mounted on again
On conversion seat (3), then it is inserted in silica gel sealing ring (2) and metal nuts (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610284610.8A CN105720221B (en) | 2016-05-04 | 2016-05-04 | A kind of metalwork pressure explosion-proof pressure release balanced valve applied to compact battery packet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610284610.8A CN105720221B (en) | 2016-05-04 | 2016-05-04 | A kind of metalwork pressure explosion-proof pressure release balanced valve applied to compact battery packet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105720221A CN105720221A (en) | 2016-06-29 |
| CN105720221B true CN105720221B (en) | 2018-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610284610.8A Active CN105720221B (en) | 2016-05-04 | 2016-05-04 | A kind of metalwork pressure explosion-proof pressure release balanced valve applied to compact battery packet |
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| CN (1) | CN105720221B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958675B (en) * | 2017-03-30 | 2023-01-17 | 惠州市沃瑞科技有限公司 | Elastic body structure type waterproof breathable explosion-proof valve |
| 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 |
| CN107394086B (en) * | 2017-06-07 | 2023-12-01 | 惠州市沃瑞科技有限公司 | Explosion-proof balance valve applied to battery cell module |
| CN108711601B (en) * | 2018-06-12 | 2024-05-10 | 惠州市龙源科技有限公司 | Explosion-proof grease proofing power battery relief valve |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202042536U (en) * | 2010-04-23 | 2011-11-16 | 比亚迪股份有限公司 | Explosion-proof battery structure and power battery adopting same |
| CN202633419U (en) * | 2012-07-05 | 2012-12-26 | 刘立文 | Explosion-proof safety valve for storage battery |
| CN103489637A (en) * | 2013-09-06 | 2014-01-01 | 安徽赛福电子有限公司 | Safety pressure release explosion-proof valve for capacitor |
| CN105529423A (en) * | 2016-01-06 | 2016-04-27 | 惠州市欣宇科技有限公司 | New energy battery explosion-proof valve |
| CN205583019U (en) * | 2016-05-04 | 2016-09-14 | 惠州市沃瑞科技有限公司 | Be applied to explosion -proof pressure release balanced valve of metalwork pressure of compact battery package |
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2016
- 2016-05-04 CN CN201610284610.8A patent/CN105720221B/en active Active
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| CN105720221A (en) | 2016-06-29 |
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Address after: 516025 B building, Haiyuan Industrial Park, Digital Town, three Town, Huicheng District, Huizhou, Guangdong. Applicant after: Huizhou Voir Technology Co., Ltd. Address before: 516100 Huizhou, Guangdong Hui Tai Industrial Park 54 District factory two floor. Applicant before: Huizhou Voir Technology Co., Ltd. |
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