CN108711601A - A kind of explosion-proof grease proofing power battery safety valve - Google Patents
A kind of explosion-proof grease proofing power battery safety valve Download PDFInfo
- Publication number
- CN108711601A CN108711601A CN201810600785.4A CN201810600785A CN108711601A CN 108711601 A CN108711601 A CN 108711601A CN 201810600785 A CN201810600785 A CN 201810600785A CN 108711601 A CN108711601 A CN 108711601A
- Authority
- CN
- China
- Prior art keywords
- litter
- fixing structure
- film fixing
- power battery
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004519 grease Substances 0.000 title claims abstract description 13
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 17
- 150000001875 compounds Chemical class 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 9
- 239000010935 stainless steel Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 4
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000004880 explosion Methods 0.000 abstract description 5
- 238000005422 blasting Methods 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000241 respiratory effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
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
- H01M50/325—Re-sealable arrangements comprising deformable valve members, e.g. elastic or flexible valve members
- H01M50/333—Spring-loaded vent valves
-
- 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
- H01M50/325—Re-sealable arrangements comprising deformable valve members, e.g. elastic or flexible valve members
-
- 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
- H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Gas Exhaust Devices For Batteries (AREA)
- Primary Cells (AREA)
Abstract
The invention discloses a kind of explosion-proof grease proofing power battery safety valves,Including litter,Pedestal,Shell and powder of stainless steel filter disc,The riveting type film fixing structure is internally provided with compound film material,The compound film material is internally provided with mounting hole,The litter is provided with screw thread close to riveting type film fixing structure side,The mounting hole and matching thread size,The litter is flexibly connected with riveting type film fixing structure by screw thread and mounting hole,It is provided with buckle on the outside of the riveting type film fixing structure,The housing bottom is provided with card slot,The riveting type film fixing structure is provided with sealing rubber ring with shell intersection,The powder of stainless steel filter disc is crimped on chassis interior far from litter side,It is provided with spring on the outside of the litter,The size of elastic force can be adjusted by spring,The explosion vent pressure of product can effectively be adjusted,It ensure that the balance of the pressure inside power battery,Ensure the safe to use of power battery.
Description
Technical field
The invention belongs to power battery technology fields, more particularly to a kind of explosion-proof grease proofing power battery safety valve.
Background technology
Traditional power battery includes the shell of a metal material, and battery core is housed in shell, is set at the top of shell
It is equipped with the head cover to insulate with shell itself, the anode of power battery is drawn by head cover, and enclosure body can be considered what power electric regarded
Cathode.Power battery is especially in charging process when in use, due to internal chemical reaction, will produce a certain amount of gas,
Therefore the pressure rise that can make inside battery, can cause shell itself to expand deformation, can use power battery when serious
Safety impacts.
Invention content
The technical problem to be solved in the present invention and the technical assignment of proposition are that existing technical solution is improved and changed
Into a kind of, explosion-proof grease proofing power battery safety valve, by breathing, explosion, twin-channel setting, spring piston type blasting arrangement,
Spring force can be with controlled blasting pressure, the grease proofing composite membrane wealth in riveting type film fixing structure, waterproof and breathable, litter breathing
The embedding check valve of intracavitary ensure that the balance of the pressure inside power battery, it is ensured that power battery while waterproof and oilproof
It is safe to use.
A kind of explosion-proof grease proofing power battery safety valve, including litter, pedestal, shell and powder of stainless steel filter disc, the cunning
Pole one end is provided with pedestal, and the litter is fixedly connected with pedestal, and the litter is provided with riveting type diaphragm far from pedestal one end
Fixed structure, the riveting type film fixing structure are internally provided with compound film material, and the compound film material is internally provided with installation
Hole, the litter are provided with screw thread, the mounting hole and matching thread size, institute close to riveting type film fixing structure side
It states litter to be flexibly connected by screw thread and mounting hole with riveting type film fixing structure, on the outside of the riveting type film fixing structure
It is provided with buckle, the housing bottom is provided with card slot, and the buckle matches with card slot size, and the riveting type diaphragm is fixed
Structure is provided with sealing rubber ring with shell intersection, and the powder of stainless steel filter disc is crimped on chassis interior far from litter one
Side, the litter outside are provided with spring, the size of elastic force can be adjusted by spring, can effectively adjust the explosion of product
Vent pressure.
Further：It is hollow structure inside the litter, the hull outside is provided with threaded rod, and the threaded rod is logical
The pre-installation screw thread for crossing battery pack is installed to Battery case, and the hollow structure inside litter can make air-flow normal through shell
The threaded rod in outside can carry out the repair and replacement of safety valve in order to the later stage.
Further：The litter is internally provided with rubber piston, and the piston is provided with arrow close to shell side to be determined
Bit architecture, the piston are provided with support base far from shell side, and the effect of piston is, when oil shock power is smaller
Wait, air-flow can normal skirted piston, product breathed；When oil shock power is larger, oil pressure pushes piston, litter hollow
Chamber is shut, and is effectively obstructed fluid and is immersed cavity, destroys internal structure.
Further：The compound film material of the riveting type film fixing structure is waterproof ventilative layer, anti-oil reservoir and non-woven fabrics
The composite construction of the multi-layer compound structure of composition, multilayer ensure that the waterproof oil-proof result of safety valve.
Advantageous effect：By breathing, explosion, twin-channel setting, spring piston type blasting arrangement, spring force can be controlled
Burst pressure processed, the grease proofing composite membrane wealth in riveting type film fixing structure, waterproof and breathable, litter respiratory cavity embed check valve,
While waterproof and oilproof, ensure that the balance of the pressure inside power battery, it is ensured that power battery it is safe to use.
Description of the drawings
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 overall structure of the present invention
Fig. 2 litter, pedestal and riveting type film fixing structure connection relationship diagram
Fig. 3 shells and riveting type film fixing structure schematic diagram
Fig. 4 shells and litter mounting structure schematic diagram
In figure：1- shells, 2- litter, 3- pedestals, 4- riveting type film fixing structures, 5- card slots, 6- springs, 7- buckles, 8- are multiple
Close membrane material, 9- mounting holes, 10- sealing rubber rings, 11- threaded rods, 12- powder of stainless steel filter discs.
Specific implementation mode
With reference to the accompanying drawings and examples, the present invention is further explained.In the following detailed description, only pass through explanation
Mode describes certain exemplary embodiments of the present invention.Undoubtedly, those skilled in the art will recognize,
In the case of without departing from the spirit and scope of the present invention, described embodiment can be repaiied with a variety of different modes
Just.Therefore, attached drawing and description are regarded as illustrative in nature, and are not intended to limit the scope of the claims.
Embodiment：
A kind of explosion-proof grease proofing power battery safety valve, including litter 2, pedestal 3, shell 1 and powder of stainless steel filter disc 12, the cunning
2 one end of pole is provided with pedestal 3, and the litter 2 is fixedly connected with pedestal 3, and the litter 2 is provided with riveting far from 3 one end of pedestal
Formula film fixing structure 4, the riveting type film fixing structure 4 are internally provided with compound film material 8, inside the compound film material 8
It is provided with mounting hole 9, the litter 2 is provided with screw thread, the mounting hole 9 and spiral shell close to 4 side of riveting type film fixing structure
Line size matches, and the litter 2 is flexibly connected with riveting type film fixing structure 4 by screw thread and mounting hole 9, the riveting
4 outside of formula film fixing structure is provided with buckle 7, and 1 bottom of the shell is provided with card slot 5, the buckle 7 and 5 size of card slot
Match, the riveting type film fixing structure 4 is provided with sealing rubber ring 10, the powder of stainless steel with 1 intersection of shell
Filter disc 12 is crimped on 3 inside of pedestal far from 2 side of litter, and 2 outside of the litter is provided with spring 6.
Prioritization scheme as the present invention：2 inside of the litter is hollow structure, and screw thread is provided with outside the shell 1
Bar 11, the threaded rod 11 are installed by the pre-installation screw thread of battery pack to Battery case, and the litter 2 is internally provided with rubber
Piston, the piston are provided with arrow location structure close to 1 side of shell, and the piston 1 is provided with support far from shell side
The compound film material of pedestal, the riveting type film fixing structure 4 is that the multilayer that waterproof ventilative layer, anti-oil reservoir and non-woven fabrics form is multiple
Close structure.
As shown in Figs 1-4, safety valve is mounted on power battery, when in use, if internal pressure is normal, air-flow is just
The rubber piston in litter can be normally bypassed, when battery overheats or other reasons cause pressure excessive, pressure will push away
Piston, the air in litter will be shut, avoid oil enter cavity destroy inside structure, pass through breathing, explosion, bilateral
The setting in road, spring piston type blasting arrangement, spring force can be anti-in riveting type film fixing structure with controlled blasting pressure
Oily composite membrane wealth, waterproof and breathable, litter respiratory cavity embed check valve and ensure that inside power battery while waterproof and oilproof
Pressure balance, it is ensured that power battery it is safe to use.
The foregoing is merely the schematical specific implementation modes of the present invention, are not limited to the scope of the present invention.It is any
Those skilled in the art, made equivalent variations and modification under the premise of not departing from design and the principle of the present invention,
The scope of protection of the invention should be belonged to.
Claims (4)
1. a kind of explosion-proof grease proofing power battery safety valve, including litter（2）, pedestal（3）, shell（1）With powder of stainless steel filter disc
（12）, it is characterised in that：The litter（2）One end is provided with pedestal（3）, the litter（2）With pedestal（3）It is fixedly connected, institute
State litter（2）Far from pedestal（3）One end is provided with riveting type film fixing structure（4）, the riveting type film fixing structure（4）
It is internally provided with compound film material（8）, the compound film material（8）It is internally provided with mounting hole（9）, the litter（2）Close to riveting
Formula film fixing structure（4）Side is provided with screw thread, the mounting hole（9）With matching thread size, the litter（2）With riveting
Pressure type film fixing structure（4）Pass through screw thread and mounting hole（9）Flexible connection, the riveting type film fixing structure（4）Outside
It is provided with buckle（7）, the shell（1）Bottom is provided with card slot（5）, the buckle（7）With card slot（5）Size matches, institute
State riveting type film fixing structure（4）With shell（1）Intersection is provided with sealing rubber ring（10）, the powder of stainless steel filter disc
（12）It is crimped on pedestal（3）Internal separate litter（2）Side, the litter（2）Outside is provided with spring（6）.
2. the explosion-proof grease proofing power battery safety valve of one kind according to claim 1, it is characterised in that：The litter（2）It is interior
Portion is hollow structure, the shell（1）Outside is provided with threaded rod（11）, the threaded rod（11）Pass through the pre-installation of battery pack
Screw thread is installed to Battery case.
3. the explosion-proof grease proofing power battery safety valve of one kind according to claim 1, it is characterised in that：The litter（2）It is interior
Portion is provided with rubber piston, and the piston is close to shell（1）Side is provided with arrow location structure, the piston（1）Far from shell
Body side is provided with support base.
4. the explosion-proof grease proofing power battery safety valve of one kind according to claim 1, it is characterised in that：The riveting type diaphragm
Fixed structure（4）Compound film material be waterproof ventilative layer, anti-oil reservoir and non-woven fabrics composition multi-layer compound structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810600785.4A CN108711601B (en) | 2018-06-12 | 2018-06-12 | Explosion-proof grease proofing power battery relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810600785.4A CN108711601B (en) | 2018-06-12 | 2018-06-12 | Explosion-proof grease proofing power battery relief valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108711601A true CN108711601A (en) | 2018-10-26 |
| CN108711601B CN108711601B (en) | 2024-05-10 |
Family
ID=63872569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810600785.4A Active CN108711601B (en) | 2018-06-12 | 2018-06-12 | Explosion-proof grease proofing power battery relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108711601B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867028A (en) * | 2010-06-10 | 2010-10-20 | 天津佰特瑞电子有限公司 | Lithium ion power battery explosion protection device |
| US20110262782A1 (en) * | 2010-04-23 | 2011-10-27 | Jianhua Zhu | Battery explosion-proof structure and power battery having the same |
| CN105720221A (en) * | 2016-05-04 | 2016-06-29 | 惠州市沃瑞科技有限公司 | Metal part pressure anti-explosion pressure-release balance valve used in compact battery pack |
| CN105889562A (en) * | 2016-05-27 | 2016-08-24 | 王永球 | Piston type explosion-proof and water-proof ventilation valve |
| CN205978682U (en) * | 2016-07-29 | 2017-02-22 | 惠州市沃瑞科技有限公司 | Explosion -proof pressure release balanced valve of plastic part of quick installation |
| CN206349430U (en) * | 2016-11-03 | 2017-07-21 | 南京骏睿新能源汽车科技有限公司 | A kind of electric automobile power battery relief valve device |
| CN208423038U (en) * | 2018-06-12 | 2019-01-22 | 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 |
-
2018
- 2018-06-12 CN CN201810600785.4A patent/CN108711601B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110262782A1 (en) * | 2010-04-23 | 2011-10-27 | Jianhua Zhu | Battery explosion-proof structure and power battery having the same |
| CN101867028A (en) * | 2010-06-10 | 2010-10-20 | 天津佰特瑞电子有限公司 | Lithium ion power battery explosion protection device |
| CN105720221A (en) * | 2016-05-04 | 2016-06-29 | 惠州市沃瑞科技有限公司 | Metal part pressure anti-explosion pressure-release balance valve used in compact battery pack |
| CN105889562A (en) * | 2016-05-27 | 2016-08-24 | 王永球 | Piston type explosion-proof and water-proof ventilation valve |
| CN205978682U (en) * | 2016-07-29 | 2017-02-22 | 惠州市沃瑞科技有限公司 | Explosion -proof pressure release balanced valve of plastic part of quick installation |
| CN206349430U (en) * | 2016-11-03 | 2017-07-21 | 南京骏睿新能源汽车科技有限公司 | A kind of electric automobile power battery relief valve device |
| CN208423038U (en) * | 2018-06-12 | 2019-01-22 | 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 |
Non-Patent Citations (1)
| Title |
|---|
| 殷久山;吕岩;张要军;: "锂离子动力电池泄压阀设计及测试", 河南科技, no. 01, pages 92 - 93 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108711601B (en) | 2024-05-10 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| DD01 | Delivery of document by public notice |
Addressee: Patents of Nanjing Junrui New Energy Automobile Technology Co.,Ltd. The person in charge Document name: Deemed not to have given notice |
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| DD01 | Delivery of document by public notice | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240413 Address after: 516200 4th Floor, Building E, Taiming Industrial Park, Jinglong Village, Zhenlong Town, Huiyang District, Huizhou City, Guangdong Province Applicant after: Huizhou Longyuan Technology Co.,Ltd. Country or region after: China Address before: Room 665, Building C, No. 606 Ningliu Road, Chemical Industry Park, Liuhe District, Nanjing City, Jiangsu Province, 210008 Applicant before: NANJING JUNRUI NEW ENERGY AUTOMOBILE TECHNOLOGY CO.,LTD. Country or region before: China |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |