CN105720221A - Metal part pressure anti-explosion pressure-release balance valve used in compact battery pack - Google Patents
Metal part pressure anti-explosion pressure-release balance valve used in compact battery pack Download PDFInfo
- Publication number
- CN105720221A CN105720221A CN201610284610.8A CN201610284610A CN105720221A CN 105720221 A CN105720221 A CN 105720221A CN 201610284610 A CN201610284610 A CN 201610284610A CN 105720221 A CN105720221 A CN 105720221A
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- Prior art keywords
- explosion
- proof
- main body
- pressure
- valve main
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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
Abstract
The invention discloses a metal part pressure anti-explosion pressure-release balance valve used in a compact battery pack. The metal part pressure anti-explosion pressure-release balance valve comprises an anti-explosion valve main body, wherein one end of the anti-explosion valve main body is connected with a protecting cover through a guide shaft; the other end of the anti-explosion valve main body is moveably connected with a metal screw nut through a converting base; a pressure spring is arranged between the guide shaft and the protecting cover; and adjacent parts of the anti-explosion valve main body, the converting base and the metal screw nut are in moveable threaded connection. The metal part pressure anti-explosion pressure-release balance valve used in the compact battery pack, which is disclosed by the invention, has the characteristics of excellent protection property, convenience in use, low cost, good air tightness and good water resistance.
Description
Technical field
The present invention relates to battery anti-explosion valve technology field, be specially a kind of metalwork pressure explosion-proof pressure release balanced valve being applied to compact battery bag.
Background technology
It is applied to the product on compact battery bag PACK in the market, what mainly commonly adopt on compact battery bag power supply lid is connect a kind of surface aluminium foil pressure release product with groove line with traditional metal laser welding manner seal weld, the feature of its existence is: processing mode is complicated, pressure release blow-up point opens that to press force value higher, after pressure release product cannot again reclaim use and be connected battery bag PACK after cannot realize the air-leakage test of whole battery bag, it is achieved performance is more weak.
Summary of the invention
It is an object of the invention to provide a kind of metalwork pressure explosion-proof pressure release balanced valve being applied to compact battery bag, have that barrier propterty is excellent, easy to use, with low cost, air-tightness is good and the feature of 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 valve being applied to compact battery bag; including explosion-proof valve main body; one end of described explosion-proof valve main body is connected with protection lid by the axis of guide; the other end of described explosion-proof valve main body is flexibly connected with metal nuts by conversion seat; being provided with compression spring between the described axis of guide and described protection lid, described explosion-proof valve main body, conversion seat, metal nuts parts adjacent one another are are flexibly connected by screw thread.Functionally, metalwork pressure explosion-proof pressure release balanced valve basic function of the present invention is to reach the adjustment requirement of internal and external pressure balance for battery case, by arranging compression spring, two kinds of duties that are straight-through with air and that seal are realized by regulating the decrement of internal pressure spring, realize the very fast pressure release explosion when low pressure point, after battery core exception aerofluxus, can Quick air-discharge, complete to realize quick pressure releasing action within the extremely short time, preventing that pressure is excessive causes damage to other structural members of battery case, barrier propterty is excellent；In structural design, by adopt screw thread be flexibly connected mode, it is achieved metalwork pressure explosion-proof pressure release balanced valve seal structure the portable installation of rotation, simplify installation process, use very convenient simply；Additionally, adopt the mode that screw thread is flexibly connected can also realize reaching capacity and realize repeatability after operating mode functional requirement and assemble and use in structural design, it is to avoid product selects cost waste, effectively reduces the use cost of metalwork pressure explosion-proof pressure release balanced valve.
Further, the threaded connection place of described metal nuts and described conversion seat is nested with the threaded connection place of silica gel sealing ring, described conversion seat and described explosion-proof valve main body and is nested with dismountable sealing ring.Realize the structural design of sealing function by sealing flexible glue part in inside configuration with the use of such as silica gel sealing ring, dismountable sealing ring etc., be effectively ensured the air-tightness of metalwork pressure explosion-proof pressure release balanced valve.
Further, between described explosion-proof valve main body and the described axis of guide, press-in is connected with rubber seal, and described rubber seal is fitted with waterproof ventilated membrane in the side of laminating explosion-proof valve main body.Realize the structural design of sealing function by sealing flexible glue part in inside configuration with the use of such as rubber seal etc., be effectively ensured the air-tightness of metalwork pressure explosion-proof pressure release balanced valve.
Further, described waterproof ventilated membrane is fitted in the sidewall of described rubber seal by hot melt integrated molding.Realize waterproof ventilated membrane by hot melt integrated molding and be fitted in the sidewall of rubber seal, both ensure that the compactness of the two contact avoided contact with the bad impact that waterproof ventilated membrane air-tightness is caused, the carrier function lifting waterproof ventilated membrane that supports making full use of again rubber seal sidewall bears the degree of pressure, effectively extends the service life of waterproof ventilated membrane under ensureing the premise that air-tightness requires.
Further, the described axis of guide adopts matched in clearance to be connected with described compression spring.By adopting matched in clearance to connect, compression spring is made to have certain decrement between the axis of guide and protection lid, thus meeting the requirement realizing two kinds of duties that are straight-through with air and that seal by regulating the decrement of internal pressure spring.
Further, described waterproof ventilated membrane is e-PTFE material film, and degree of protection reaches IP67 standard, meets IPXXD, IPXXB standard.
Further, the described axis of guide is two stage steps shape sleeve pipe, including the movable one-level step socket part embedded within explosion-proof valve main body counterbore and the two stage steps socket part in step-like decline, described compression spring is nested in the outer wall of two stage steps socket part, and described rubber seal is fastened and connected at the oral area of described one-level step socket part.The axis of guide is set to two stage steps shape sleeve pipe; both can ensure that the axis of guide embedded the compactness of explosion-proof valve main body counterbore interior contact; in turn ensure that compression spring is fixed between the axis of guide and protection lid in the premise lower limit retaining certain decrement on the axis of guide, it is to avoid pressure release was lost efficacy.
Further, described explosion-proof valve main body is fixedly connected by riveted mode with described protection lid.By riveted mode, it is achieved simple, connectivity is good, it is simple to large-scale production.
Further, described protection lid is metal material lid, has higher mechanical strength, it is ensured that metalwork pressure explosion-proof pressure release balanced valve has higher safety.
Further; the assembly method of described metalwork pressure explosion-proof pressure release balanced valve is: first put in the axis of guide well by waterproof ventilated membrane and rubber seal hot melt integrated molding; on the end face that compression spring is fixed on the axis of guide; then the above-mentioned assembly assembled is put in explosion-proof valve main body counterbore, then by the mode riveting of protection lid employing riveting to explosion-proof valve main body one end；Finally the product combined is inserted in dismountable sealing ring be rotatably mounted on conversion seat, then is inserted in silica gel sealing ring and metal nuts.In use, can being completed the assembling of product by the combination with one another of different parts, whole assembling process is very simple, efficient, is effectively improved the efficiency of production.
A kind of metalwork pressure explosion-proof pressure release balanced valve being applied to compact battery bag of the present invention, has following beneficial effect:
The first, barrier propterty is excellent, by arranging compression spring, two kinds of duties that are straight-through with air and that seal are realized by regulating the decrement of internal pressure spring, realize the very fast pressure release explosion when low pressure point, after battery core exception aerofluxus, can Quick air-discharge, complete to realize quick pressure releasing action within the extremely short time, preventing that pressure is excessive causes damage to other structural members of battery case, barrier propterty is excellent；
The second, easy to use, by adopt screw thread be flexibly connected mode, it is achieved metalwork pressure explosion-proof pressure release balanced valve seal structure the portable installation of rotation, simplify installation process, use very convenient simply；
3rd, with low cost, structural design adopt the mode that screw thread is flexibly connected can also realize reaching capacity and realize repeatability after operating mode functional requirement and assemble and use, avoid product to select cost waste, effectively reduce the use cost of metalwork pressure explosion-proof pressure release balanced valve；
4th, air-tightness is good, realizes the structural design of sealing function by sealing flexible glue part in inside configuration with the use of such as silica gel sealing ring, dismountable sealing ring, rubber seal etc., has been effectively ensured the air-tightness of metalwork pressure explosion-proof pressure release balanced valve；
5th, good waterproof performance, realize waterproof ventilated membrane by hot melt integrated molding and be fitted in the sidewall of rubber seal, ensure that the compactness of the two contact avoids contact with the bad impact that waterproof ventilated membrane air-tightness is caused and improves water proofing property, simultaneously also by selecting e-PTFE material film on waterproof ventilated membrane, degree of protection reaches IP67 standard, meets IPXXD, IPXXB standard.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of metalwork pressure explosion-proof pressure release balanced valve decomposition texture schematic diagram being applied to compact battery bag of the present invention；
Accompanying drawing 2 is a kind of metalwork pressure explosion-proof pressure release balanced valve general assembly structural representation being applied to compact battery bag of the present invention；
Accompanying drawing 3 is a kind of metalwork pressure explosion-proof pressure release balanced valve internal structure schematic diagram being applied to compact battery bag of the present invention；
In accompanying drawing, labelling includes: 1, metal nuts; 2, silica gel sealing ring, 3, conversion seat, 4, dismountable sealing ring; 5, explosion-proof valve main body; 6, waterproof ventilated membrane, 7, rubber seal, 8, the axis of guide; 9, compression spring; 10, protection lid, 81, one-level step socket part, 82, two stage steps socket part.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that technical scheme, below in conjunction with embodiment and accompanying drawing, 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 balanced valve being applied to compact battery bag; including explosion-proof valve main body 5; one end of described explosion-proof valve main body 5 is connected with protection lid 10 by the axis of guide 8; the other end of described explosion-proof valve main body 5 is flexibly connected with metal nuts 1 by conversion seat 3; being provided with compression spring 9 between the described axis of guide 8 and described protection lid 10, described explosion-proof valve main body 5, conversion seat 3, metal nuts 1 parts adjacent one another are are flexibly connected by screw thread.
Further, the threaded connection place of described metal nuts 1 and described conversion seat 3 is nested with silica gel sealing ring 2, and the threaded connection place of described conversion seat 3 and described explosion-proof valve main body 5 is nested with dismountable sealing ring 4.Between described explosion-proof valve main body 5 and the described axis of guide 8, press-in is connected with rubber seal 7, and described rubber seal 7 is fitted with waterproof ventilated membrane 6 in the side of laminating explosion-proof valve main body 5.Described waterproof ventilated membrane 6 is fitted in the sidewall of described rubber seal 7 by hot melt integrated molding.The described axis of guide 8 adopts matched in clearance to be connected with described compression spring 9.Described waterproof ventilated membrane 6 is e-PTFE material film.The described axis of guide 8 is two stage steps shape sleeve pipe, including the movable one-level step socket part 81 embedded within explosion-proof valve main body 5 counterbore and the two stage steps socket part 82 in step-like decline, described compression spring 9 is nested in the outer wall of two stage steps socket part 82, and described rubber seal 7 is fastened and connected at the oral area of described one-level step socket part 81.Described explosion-proof valve main body 5 is fixedly connected by riveted mode with described protection lid 10.Described protection lid 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 balanced valve being applied to compact battery bag; the assembly method of described metalwork pressure explosion-proof pressure release balanced valve is: first waterproof ventilated membrane 6 and rubber seal 7 hot melt integrated molding are put into well in the axis of guide 8; compression spring 9 is being fixed on an end face of the axis of guide 8; then the above-mentioned assembly assembled is put in explosion-proof valve main body 5 counterbore, then by the mode riveting of protection lid 10 employing riveting to explosion-proof valve main body 5 one end；The product combined finally is inserted in dismountable sealing ring 4 be rotatably mounted on conversion seat 3, then is inserted in silica gel sealing ring 2 and metal nuts 1.
The operation principle of metalwork pressure explosion-proof pressure release balanced valve of the present invention is: when battery wraps in running during work condition state, running due to battery bag internal component, corresponding variations in temperature can be produced, thus corresponding positive and negative pressure can be formed in extraneous air, when producing the problems referred to above, can realize corresponding obtaining two-way airing function by waterproof ventilated membrane 6 metalwork pressure explosion-proof pressure release balanced valve within, and stop the water of outside and liquid to enter into the inside sealing cavity, it is achieved the effect of interior external respiration.When there is abnormal work problem in battery bag, battery bag is internal can produce a higher pressure spot within the time of anxious section, impact housing and internal component, when the problems referred to above occur, the compression spring 9 that the internal present situation of metalwork pressure explosion-proof pressure release balanced valve seals silica gel can be driven again to realize once quickly being pushed to inner air and the extraneous mode realizing at short notice and leading directly to, waterproof ventilated membrane 6 is also at mutual permeation functions simultaneously, and finally shorter within the unit interval bigger internal pressure of losing heart has realized the principle for the purpose of internal and external pressure balance.
The above, be only presently preferred embodiments of the present invention, and the present invention not does any pro forma restriction；The those of ordinary skill of all industry all can shown in by specification accompanying drawing and the above and implement the present invention swimmingly；But, all those skilled in the art without departing within the scope of technical solution of the present invention, available disclosed above technology contents and make a little change, modify and the equivalent variations of differentiation, be the Equivalent embodiments of the present invention；Meanwhile, all change of any equivalent variations, modification and differentiation etc. above example made according to the substantial technological of the present invention, all still fall within the protection domain of technical scheme.
Claims (10)
1. the metalwork pressure explosion-proof pressure release balanced valve being applied to compact battery bag; including explosion-proof valve main body (5); it is characterized in that: one end of described explosion-proof valve main body (5) is connected with protection lid (10) by the axis of guide (8); the other end of described explosion-proof valve main body (5) is flexibly connected with metal nuts (1) by conversion seat (3); being provided with compression spring (9) between the described axis of guide (8) and described protection lid (10), described explosion-proof valve main body (5), conversion seat (3), metal nuts (1) parts adjacent one another are are flexibly connected by screw thread.
2. the metalwork pressure explosion-proof pressure release balanced valve being applied to compact battery bag according to claim 1, it is characterized in that: the threaded connection place of described metal nuts (1) and described conversion seat (3) is nested with the threaded connection place of silica gel sealing ring (2), described conversion seat (3) and described explosion-proof valve main body (5) and is nested with dismountable sealing ring (4).
3. the metalwork pressure explosion-proof pressure release balanced valve being applied to compact battery bag according to claim 2, it is characterized in that: between described explosion-proof valve main body (5) and the described axis of guide (8), press-in is connected with rubber seal (7), and described rubber seal (7) is fitted with waterproof ventilated membrane (6) in the side of laminating explosion-proof valve main body (5).
4. it is applied to the metalwork pressure explosion-proof pressure release balanced valve of compact battery bag according to claim 3, it is characterised in that: described waterproof ventilated membrane (6) is fitted in the sidewall of described rubber seal (7) by hot melt integrated molding.
5. the metalwork pressure explosion-proof pressure release balanced valve being applied to compact battery bag according to claim 3, it is characterised in that: the described axis of guide (8) adopts matched in clearance to be connected with described compression spring (9).
6. the metalwork pressure explosion-proof pressure release balanced valve being applied to compact battery bag according to claim 4 or 5, it is characterised in that: described waterproof ventilated membrane (6) is e-PTFE material film.
7. the metalwork pressure explosion-proof pressure release balanced valve being applied to compact battery bag according to claim 6, it is characterized in that: the described axis of guide (8) is two stage steps shape sleeve pipe, including the movable one-level step socket part (81) embedded within explosion-proof valve main body (5) counterbore and the two stage steps socket part (82) in step-like decline, described compression spring (9) is nested in the outer wall of two stage steps socket part (82), and described rubber seal (7) is fastened and connected at the oral area of described one-level step socket part (81).
8. the metalwork pressure explosion-proof pressure release balanced valve being applied to compact battery bag according to claim 7, it is characterised in that: described explosion-proof valve main body (5) is fixedly connected by riveted mode with described protection lid (10).
9. the metalwork pressure explosion-proof pressure release balanced valve being applied to compact battery bag according to claim 8, it is characterised in that: described protection lid (10) is metal material lid.
10. the metalwork pressure explosion-proof pressure release balanced valve being applied to compact battery bag according to claim 9; it is characterized in that: the assembly method of described metalwork pressure explosion-proof pressure release balanced valve is: first waterproof ventilated membrane (6) and rubber seal (7) hot melt integrated molding are put into well in the axis of guide (8); compression spring (9) is being fixed on an end face of the axis of guide (8); then the above-mentioned assembly assembled is put in explosion-proof valve main body (5) counterbore, then by the mode riveting of protection lid (10) employing riveting to explosion-proof valve main body (5) one end；Finally the product combined is inserted in dismountable sealing ring (4) and is being rotatably mounted on conversion seat (3) above, then be 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 |
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| 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 |
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| CN105720221A true CN105720221A (en) | 2016-06-29 |
| CN105720221B CN105720221B (en) | 2018-12-11 |
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| 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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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958675A (en) * | 2017-03-30 | 2017-07-18 | 惠州市沃瑞科技有限公司 | A kind of body structure formula waterproof and breathable explosion-proof valve |
| CN107035900A (en) * | 2017-05-03 | 2017-08-11 | 惠州市沃瑞科技有限公司 | One kind is applied to start and stop power balancing explosion-proof valve |
| CN107394086A (en) * | 2017-06-07 | 2017-11-24 | 惠州市沃瑞科技有限公司 | A kind of explosion-proof balanced valve applied on battery core module |
| CN108711601A (en) * | 2018-06-12 | 2018-10-26 | 南京骏睿新能源汽车科技有限公司 | A kind of explosion-proof grease proofing power battery safety valve |
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| 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
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20110262782A1 (en) * | 2010-04-23 | 2011-10-27 | Jianhua Zhu | Battery explosion-proof structure and power battery having the 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 |
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| 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 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958675A (en) * | 2017-03-30 | 2017-07-18 | 惠州市沃瑞科技有限公司 | A kind of body structure formula waterproof and breathable explosion-proof valve |
| CN107035900A (en) * | 2017-05-03 | 2017-08-11 | 惠州市沃瑞科技有限公司 | One kind is applied to start and stop power balancing explosion-proof valve |
| CN107394086A (en) * | 2017-06-07 | 2017-11-24 | 惠州市沃瑞科技有限公司 | A kind of explosion-proof balanced valve applied on battery core module |
| 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 |
| CN108711601A (en) * | 2018-06-12 | 2018-10-26 | 南京骏睿新能源汽车科技有限公司 | A kind of explosion-proof grease proofing power battery safety valve |
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| Publication number | Publication date |
|---|---|
| CN105720221B (en) | 2018-12-11 |
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