CN201725825U - Lithium battery needle tube safety valve - Google Patents
Lithium battery needle tube safety valve Download PDFInfo
- Publication number
- CN201725825U CN201725825U CN2010202603000U CN201020260300U CN201725825U CN 201725825 U CN201725825 U CN 201725825U CN 2010202603000 U CN2010202603000 U CN 2010202603000U CN 201020260300 U CN201020260300 U CN 201020260300U CN 201725825 U CN201725825 U CN 201725825U
- Authority
- CN
- China
- Prior art keywords
- safety valve
- needle tube
- tubing string
- ion battery
- ventilating
- 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.)
- Expired - Fee Related
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Gas Exhaust Devices For Batteries (AREA)
Abstract
A lithium battery needle tube safety valve comprises a battery, an outer casing and electrodes, and is characterized in that a ventilating tubular column and a sealing sleeve are additionally arranged, the ventilating tubular column is arranged on the outer casing, one end of the ventilating tubular column is communicated with the battery, and an exhaust hole is arranged at the other end of the ventilating tubular column sleeved with the sealing sleeve. The lithium battery needle tube safety valve with simple structure is safe and reliable, is low in manufacturing cost, not only can depressurize the battery when pressure inside the battery rises, but also can restore into an original shape after depressurization, and achieves the purpose of reuse.
Description
Technical field
The utility model relates to a kind of safety valve, particularly a kind of lithium ion battery needle tube type safety valve.
Background technology
Lithium ion battery and polymer Li-ion battery in use can produce gas at inside battery because of a variety of causes; Cause cell internal pressure to raise, the cell body distortion is to cause blast.Existing lithium ion battery safety valve generally adopts diaphragm type structure, and this structure can be broken through the protection diaphragm when cell internal pressure raises, reach the purpose of release; But can not restore behind the diaphragm breakage, entire cell can not re-use, and causes waste.Also have some lithium ion battery safety valves to adopt spring structure, this structure can be restored after for the battery release; But structure is complicated, and manufacturing cost is higher.
The utility model content
It is a kind of simple in structure, safe and reliable that the purpose of this utility model is to provide, low cost of manufacture, reusable lithium ion battery needle tube type safety valve.
The purpose of this utility model can reach by following measure: a kind of lithium ion battery needle tube type safety valve, comprise cell body, shell, electrode, it is characterized in that: the tubing string of ventilating in addition, sealing shroud, the ventilation tubing string is located on the shell, the one end communicates with cell body, the other end is provided with steam vent, and with the sealing shroud socket.
The purpose of this utility model can also reach by following measure: the steam vent on the ventilation tubing string is provided with two, for symmetrical expression designs.Sealing shroud adopts rubber to make, and tightly is enclosed within on the ventilation tubing string, and seals steam vent on the ventilation tubing string.The ventilation tubing string adopts plastics or metal to make.
The utility model has following advantage compared to existing technology: simple in structure, safe and reliable, low cost of manufacture both can be also to restore to the original state its release when cell internal pressure raises after release, reached reusable purpose.
Description of drawings
Fig. 1 is a structure cutaway view of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing (embodiment):
With reference to Fig. 1, the utility model comprises cell body 1, shell 2, electrode 3, ventilation tubing string 4, sealing shroud 5 etc.Ventilation tubing string 4 is located on the shell 2, and the one end communicates with cell body 1, and the other end is provided with two steam vent 4-1 of symmetry, and the 5 tight sockets of sealed cover.Sealing shroud 5 adopts rubber to make; Ventilation tubing string 4 adopts plastics or metal to make.
During real work, when cell body 1 produces gas, and pressure is when being higher than the tension force of sealing shroud 5, and gas can be discharged from two steam vent 4-1 of ventilation tubing string 4; When the air pressure in the cell body 1 is lower than sealing shroud 5 tension force, will ventilate two steam vent 4-1 sealing of tubing string 4 of sealing shroud 5, cell body 1 maintains the original state, and can continue to use, and extraneous gas can not enter in the cell body 1.
Claims (4)
1. lithium ion battery needle tube type safety valve, comprise cell body (1), shell (2), electrode (3), it is characterized in that: the tubing string of ventilating in addition (4), sealing shroud (5), ventilation tubing string (4) is located on the shell (2), the one end communicates with cell body (1), the other end is provided with steam vent (4-1), and with sealing shroud (5) socket.
2. lithium ion battery needle tube type safety valve according to claim 1 is characterized in that: the steam vent (4-1) on the ventilation tubing string (4) is provided with two, for symmetrical expression designs.
3. lithium ion battery needle tube type safety valve according to claim 1 is characterized in that: sealing shroud (5) adopts rubber to make, and tightly is enclosed within on the ventilation tubing string (4), and seals steam vent (4-1) on the ventilation tubing string (4).
4. lithium ion battery needle tube type safety valve according to claim 1 is characterized in that: ventilation tubing string (4) adopts plastics or metal to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202603000U CN201725825U (en) | 2010-07-15 | 2010-07-15 | Lithium battery needle tube safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202603000U CN201725825U (en) | 2010-07-15 | 2010-07-15 | Lithium battery needle tube safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201725825U true CN201725825U (en) | 2011-01-26 |
Family
ID=43494173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202603000U Expired - Fee Related CN201725825U (en) | 2010-07-15 | 2010-07-15 | Lithium battery needle tube safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201725825U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104106154A (en) * | 2011-11-16 | 2014-10-15 | 江森自控先进能源动力系统有限责任公司 | Pressure relief element, pressure relief device and battery |
| CN106953120A (en) * | 2017-03-03 | 2017-07-14 | 北京大学 | A kind of anti-explosion lithium ion battery group |
| CN114204205A (en) * | 2021-12-10 | 2022-03-18 | 远景动力技术(江苏)有限公司 | Soft package battery and heat sealing method thereof |
-
2010
- 2010-07-15 CN CN2010202603000U patent/CN201725825U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104106154A (en) * | 2011-11-16 | 2014-10-15 | 江森自控先进能源动力系统有限责任公司 | Pressure relief element, pressure relief device and battery |
| CN104106154B (en) * | 2011-11-16 | 2018-01-02 | 江森自控先进能源动力系统有限责任公司 | Pressure relief element, pressure relief equipment and battery |
| US9871235B2 (en) | 2011-11-16 | 2018-01-16 | Johnson Controls Advanced Power Solutions Gmbh | Pressure relief element, pressure relief device and battery |
| US10741806B2 (en) | 2011-11-16 | 2020-08-11 | Clarios Advanced Solutions Gmbh | Pressure relief element, pressure relief device and battery |
| US11239528B2 (en) | 2011-11-16 | 2022-02-01 | Clarios Advanced Solutions Gmbh | Pressure relief element, pressure relief device and battery |
| US11600887B2 (en) | 2011-11-16 | 2023-03-07 | Clarios Advanced Solutions Gmbh | Pressure relief element, pressure relief device and battery |
| CN106953120A (en) * | 2017-03-03 | 2017-07-14 | 北京大学 | A kind of anti-explosion lithium ion battery group |
| CN106953120B (en) * | 2017-03-03 | 2019-08-30 | 北京大学 | A kind of anti-explosion lithium ion battery group |
| CN114204205A (en) * | 2021-12-10 | 2022-03-18 | 远景动力技术(江苏)有限公司 | Soft package battery and heat sealing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110126 Termination date: 20140715 |
|
| EXPY | Termination of patent right or utility model |