CN205335327U - Explosion -proof pressure relief device of power battery high low temperature test equipment - Google Patents
Explosion -proof pressure relief device of power battery high low temperature test equipment Download PDFInfo
- Publication number
- CN205335327U CN205335327U CN201620097460.5U CN201620097460U CN205335327U CN 205335327 U CN205335327 U CN 205335327U CN 201620097460 U CN201620097460 U CN 201620097460U CN 205335327 U CN205335327 U CN 205335327U
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- CN
- China
- Prior art keywords
- electrokinetic cell
- pressure release
- joint pin
- pressure
- collecting tank
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- 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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Abstract
The utility model relates to an explosion -proof pressure relief device of power battery high low temperature test equipment, including the spliced pole, the pressure release piston, the sealing ring, collecting tank and springiness cushioning cover, the spliced pole is cylindrical structure, connecting thread is established to its lateral surface, it says and cushions the way to establish the water conservancy diversion in the spliced pole, the pressure release piston includes piston body and regulating spring, the piston body is including sealed post and end cap, wherein sealed post inlays in the pressure release is said, and through regulating spring and pressure release way sliding connection, establish an at least pressure release groove on the sealed post side surface in addition, an at least cladding of sealing ring is in the spliced pole outside and be connected with power battery, the part of collecting tank cladding outside the spliced pole is located power battery, the cladding of springiness cushioning cover is in the collecting tank and the pressure release piston outside. This is novel can be effectual to carry out the pressure release to high -pressure gas in the power battery and high -pressure gas -liquid mixture thing and handles, and at the pressure release in -process to can carry out preliminary pressure release to it, possess liquid collection effect simultaneously.
Description
Technical field
This utility model relates to a kind of pressure relief device, is exactly a kind of electrokinetic cell low-and high-temp test facility explosion-proof decompression device。
Background technology
Being stepped up of consumption is made at present along with instruments such as electric vehicles, cause electrokinetic cell demand being also continuously increased as main energy storage device, also the serviceability of electrokinetic cell is proposed better requirement simultaneously, therefore to guarantee safety in utilization and the stability of electrokinetic cell, need the discharge and recharge test carrying out under such as extreme temperature conditions to electrokinetic cell, the Multitest projects such as frequent discharge and recharge test, and in these processs of the test, especially electrokinetic cell is carried out in thermocycling process, very easily cause the temperature generation acute variation within electrokinetic cell, the fast temperature of temperature rise is high, thus causing the volume of air in electrokinetic cell to expand, the volatilization of operative liquid material or evaporation, and ultimately result in the hypertonia in electrokinetic cell, if electrokinetic cell can be carried out timely pressure release, electrokinetic cell is very easily caused to blast, serious threat uses safety, in order to solve this problem, currently main process means are to set up relief valve on electrokinetic cell, after in electrokinetic cell, pressure reaches certain value, pressure release is carried out by relief valve, although this mode effectively meets the needs of electrokinetic cell pressure release, but in use find, owing to relief valve lacks the safeguard procedures of necessity, thus result in when carrying out pressure release through relief valve, gases at high pressure or gas-liquid mixture high velocity jet within electrokinetic cell and go out, very easily personnel or equipment to periphery cause damage, also bigger potential safety hazard is caused to electrokinetic cell test and use safety, hence for this present situation, in the urgent need to developing a kind of novel pressure relief device, to meet the needs that actual production uses。
Utility model content
For the deficiency existed in prior art, this utility model provides a kind of electrokinetic cell low-and high-temp test facility explosion-proof decompression device, this new structure constitutes simple, easy to install, effectively electrokinetic cell inner high voltage gas and high-pressure gas-liquid mixture can be carried out pressure release process, and in pressure leak process, and it can be carried out preliminary pressure release, it is provided simultaneously with liquid collecting action, thus reaching while meeting electrokinetic cell pressure release, separately effectively prevent high pressure draught and high-pressure gas-liquid mixture from spraying in electrokinetic cell at a high speed and causing injury to personnel or equipment damage phenomenon to occur。
To achieve these goals, this utility model is to realize by the following technical solutions:
A kind of electrokinetic cell low-and high-temp test facility explosion-proof decompression device, including joint pin, pressure release piston, sealing ring, collecting tank and elastic buffer cover, joint pin is cylindrical structural, its lateral surface sets connection screw thread, and be connected with electrokinetic cell by connecting screw thread, joint pin at least 2/3 length position is positioned at electrokinetic cell, and connect with electrokinetic cell internal cavity, honeycomb duct and buffering road is set in joint pin, wherein honeycomb duct is located in the joint pin within electrokinetic cell, buffering road is located in electrokinetic cell external connection post, buffering road is interconnected with honeycomb duct, and honeycomb duct connects with electrokinetic cell internal cavity, buffering road and electrokinetic cell ft connection, pressure release piston includes piston body and regulates spring, piston body includes sealing column and end cap, and sealing column top and be mutually connected vertically with end cap and be coaxially distributed, wherein sealing column is embedded in pressure releasing passages, and be slidably connected with pressure releasing passages by regulating spring, sealing column side surface separately sets at least one gas pressure relief slot, and gas pressure relief slot one end is concordant with sealing column bottom end face, other end distance end cap distance is not less than the 1/4 of sealing column height, the end cap regulating spring one end and piston body is threaded connection and is coated on outside the sealing column of piston body, the other end is connected with the buffering road inwall of joint pin, sealing ring at least one is coated on outside joint pin and is connected with electrokinetic cell, collecting tank is annular groove-shaped structure, it is coated on the part that joint pin is positioned at outside electrokinetic cell, and be coaxially distributed with joint pin, collecting tank side surface sets at least one emergent air vent, elastic buffer cover is coated on outside collecting tank and pressure release piston and constitutes airtight cavity body structure with collecting tank。
Further, the sealing column of described pressure release piston separately sets at least one of which sealing ring, and is slidably connected by sealing ring and pressure releasing passages。
Further, described honeycomb duct at least one, and distribution parallel with joint pin axis or be distributed in the shape of a spiral around joint pin axis。
Further, described honeycomb duct diameter is the 1/3 1/2 of pressure releasing passages diameter。
This new structure constitutes simple, easy to install, effectively electrokinetic cell inner high voltage gas and high-pressure gas-liquid mixture can be carried out pressure release process, and in pressure leak process, and it can be carried out preliminary pressure release, being provided simultaneously with liquid collecting action, thus reaching while meeting electrokinetic cell pressure release, separately effectively preventing high pressure draught and high-pressure gas-liquid mixture from spraying in electrokinetic cell at a high speed and causing injury to personnel or equipment damage phenomenon to occur。
Accompanying drawing explanation
This utility model is described in detail below in conjunction with the drawings and specific embodiments；
Fig. 1 is this new structure schematic diagram。
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and effect and be easy to understand, below in conjunction with detailed description of the invention, this utility model is expanded on further。
A kind of electrokinetic cell low-and high-temp test facility explosion-proof decompression device as described in Figure 1, including joint pin 1, pressure release piston 2, sealing ring 3, collecting tank 4 and elastic buffer cover 5, joint pin 1 is cylindrical structural, its lateral surface sets connection screw thread, and be connected with electrokinetic cell 6 by connecting screw thread, joint pin 1 at least 2/3 length position is positioned at electrokinetic cell 6, and connect with electrokinetic cell 6 internal cavity, honeycomb duct 7 and buffering road 8 is set in joint pin 1, wherein honeycomb duct 7 is located in the joint pin 1 within electrokinetic cell 6, buffering road 8 is located in electrokinetic cell 6 external connection post 1, buffering road 8 is interconnected with honeycomb duct 7, and honeycomb duct 7 connects with electrokinetic cell 6 internal cavity, buffering road 8 and electrokinetic cell 6 ft connection, pressure release piston 2 includes piston body and regulates spring 21, piston body includes sealing column 22 and end cap 23, and sealing column 22 top and be mutually connected vertically with end cap 23 and be coaxially distributed, wherein sealing column 22 is embedded in pressure releasing passages 8, and be slidably connected with pressure releasing passages 8 by regulating spring 21, sealing column 22 side surface separately sets at least one gas pressure relief slot 24, and gas pressure relief slot 24 one end is concordant with sealing column 22 bottom end face, other end distance end cap 23 distance is not less than the 1/4 of sealing column 22 height, the end cap 23 regulating spring 21 one end and piston body is threaded connection and is coated on outside the sealing column 22 of piston body, the other end is connected with buffering road 8 inwall of joint pin 1, sealing ring 3 at least one is coated on outside joint pin 1 and is connected with electrokinetic cell 6, collecting tank 4 is annular groove-shaped structure, it is coated on the part that joint pin 1 is positioned at outside electrokinetic cell 6, and be coaxially distributed with joint pin 1, collecting tank 4 side surface sets at least one emergent air vent 9, elastic buffer cover 5 is coated on outside collecting tank 4 and pressure release piston and constitutes airtight cavity body structure with collecting tank 4。
In the present embodiment, the sealing column 22 of described pressure release piston separately sets at least one of which sealing ring 10, and is slidably connected by sealing ring 10 and pressure releasing passages 8。
In the present embodiment, described honeycomb duct 7 at least one, and distribution parallel with joint pin 1 axis or be distributed in the shape of a spiral around joint pin 1 axis。
In the present embodiment, described honeycomb duct 7 diameter is the 1/3 1/2 of pressure releasing passages 8 diameter。
This new structure constitutes simple, easy to install, effectively electrokinetic cell inner high voltage gas and high-pressure gas-liquid mixture can be carried out pressure release process, and in pressure leak process, and it can be carried out preliminary pressure release, being provided simultaneously with liquid collecting action, thus reaching while meeting electrokinetic cell pressure release, separately effectively preventing high pressure draught and high-pressure gas-liquid mixture from spraying in electrokinetic cell at a high speed and causing injury to personnel or equipment damage phenomenon to occur。
Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described。Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description is that principle of the present utility model is described; under the premise without departing from this utility model spirit and scope; this utility model also has various changes and modifications, and these changes and improvements both fall within the scope of claimed this utility model。This utility model claims scope and is defined by appending claims and equivalent thereof。
Claims (4)
1. an electrokinetic cell low-and high-temp test facility explosion-proof decompression device, it is characterized in that: described electrokinetic cell low-and high-temp test facility explosion-proof decompression device includes joint pin, pressure release piston, sealing ring, collecting tank and elastic buffer cover, described joint pin is cylindrical structural, its lateral surface sets connection screw thread, and be connected with electrokinetic cell by connecting screw thread, described joint pin at least 2/3 length position is positioned at electrokinetic cell, and connect with electrokinetic cell internal cavity, honeycomb duct and buffering road is set in described joint pin, wherein said honeycomb duct is located in the joint pin within electrokinetic cell, described buffering road is located in electrokinetic cell external connection post, described buffering road and honeycomb duct are interconnected, and described honeycomb duct connects with electrokinetic cell internal cavity, described buffering road and electrokinetic cell ft connection, described pressure release piston includes piston body and regulates spring, described piston body includes sealing column and end cap, and sealing column top and be mutually connected vertically with end cap and be coaxially distributed, wherein sealing column is embedded in pressure releasing passages, and be slidably connected with pressure releasing passages by regulating spring, described sealing column side surface separately sets at least one gas pressure relief slot, and gas pressure relief slot one end is concordant with sealing column bottom end face, other end distance end cap distance is not less than the 1/4 of sealing column height, the described end cap regulating spring one end and piston body is threaded connection and is coated on outside the sealing column of piston body, the other end is connected with the buffering road inwall of joint pin, described sealing ring at least one is coated on outside joint pin and is connected with electrokinetic cell, described collecting tank is annular groove-shaped structure, it is coated on the part that joint pin is positioned at outside electrokinetic cell, and be coaxially distributed with joint pin, described collecting tank side surface sets at least one emergent air vent, described elastic buffer cover is coated on outside collecting tank and pressure release piston and constitutes airtight cavity body structure with collecting tank。
2. a kind of electrokinetic cell low-and high-temp test facility explosion-proof decompression device according to claim 1, it is characterised in that separately set at least one of which sealing ring in the sealing column of described pressure release piston, and be slidably connected by sealing ring and pressure releasing passages。
3. a kind of electrokinetic cell low-and high-temp test facility explosion-proof decompression device according to claim 1, it is characterised in that described honeycomb duct at least one, and distribution parallel with joint pin axis or be distributed in the shape of a spiral around joint pin axis。
4. a kind of electrokinetic cell low-and high-temp test facility explosion-proof decompression device according to claim 1, it is characterised in that described honeycomb duct diameter is the 1/3 1/2 of pressure releasing passages diameter。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620097460.5U CN205335327U (en) | 2016-01-29 | 2016-01-29 | Explosion -proof pressure relief device of power battery high low temperature test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620097460.5U CN205335327U (en) | 2016-01-29 | 2016-01-29 | Explosion -proof pressure relief device of power battery high low temperature test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205335327U true CN205335327U (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620097460.5U Expired - Fee Related CN205335327U (en) | 2016-01-29 | 2016-01-29 | Explosion -proof pressure relief device of power battery high low temperature test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205335327U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107978714A (en) * | 2017-12-27 | 2018-05-01 | 河北银隆新能源有限公司 | A kind of exhaust apparatus of lithium ion battery |
| CN108075087A (en) * | 2017-11-27 | 2018-05-25 | 安徽中能众诚新能源科技有限公司 | A kind of power lithium battery safety valve |
| CN108470822A (en) * | 2018-05-17 | 2018-08-31 | 南京溧水得瑞微型电机厂 | A kind of annular groove adjusts the pre-fastening structure of height |
| CN110379977A (en) * | 2019-08-07 | 2019-10-25 | 中山市润烨新能源科技有限公司 | With self-relieving power battery structure part |
| CN113607326A (en) * | 2021-10-09 | 2021-11-05 | 南通市大安消防技术服务有限公司 | Digital pressure gauge |
| CN113906625A (en) * | 2021-03-22 | 2022-01-07 | 宁德新能源科技有限公司 | Battery cell and power utilization device |
| CN114476377A (en) * | 2022-04-02 | 2022-05-13 | 海门市圆德模塑科技有限公司 | Plastic container with air pressure adjusting function |
-
2016
- 2016-01-29 CN CN201620097460.5U patent/CN205335327U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075087A (en) * | 2017-11-27 | 2018-05-25 | 安徽中能众诚新能源科技有限公司 | A kind of power lithium battery safety valve |
| CN108075087B (en) * | 2017-11-27 | 2020-07-07 | 安徽中能众诚新能源科技有限公司 | Power lithium battery safety valve |
| CN107978714A (en) * | 2017-12-27 | 2018-05-01 | 河北银隆新能源有限公司 | A kind of exhaust apparatus of lithium ion battery |
| CN108470822A (en) * | 2018-05-17 | 2018-08-31 | 南京溧水得瑞微型电机厂 | A kind of annular groove adjusts the pre-fastening structure of height |
| CN110379977A (en) * | 2019-08-07 | 2019-10-25 | 中山市润烨新能源科技有限公司 | With self-relieving power battery structure part |
| CN113906625A (en) * | 2021-03-22 | 2022-01-07 | 宁德新能源科技有限公司 | Battery cell and power utilization device |
| CN113906625B (en) * | 2021-03-22 | 2023-06-23 | 宁德新能源科技有限公司 | Battery core and electricity utilization device |
| CN113607326A (en) * | 2021-10-09 | 2021-11-05 | 南通市大安消防技术服务有限公司 | Digital pressure gauge |
| CN113607326B (en) * | 2021-10-09 | 2021-12-07 | 南通市大安消防技术服务有限公司 | Digital pressure gauge |
| CN114476377A (en) * | 2022-04-02 | 2022-05-13 | 海门市圆德模塑科技有限公司 | Plastic container with air pressure adjusting function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Explosion -proof pressure relief device of power battery high low temperature test equipment Effective date of registration: 20180813 Granted publication date: 20160622 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi science and Technology Branch Pledgor: WUXI XISUOYATE TEST EQUIPMENT CO.,LTD. Registration number: 2018110000020 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20220129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |