CN208444884U - A kind of flange form power battery safety valve device for pure electric vehicle - Google Patents
A kind of flange form power battery safety valve device for pure electric vehicle Download PDFInfo
- Publication number
- CN208444884U CN208444884U CN201820906979.2U CN201820906979U CN208444884U CN 208444884 U CN208444884 U CN 208444884U CN 201820906979 U CN201820906979 U CN 201820906979U CN 208444884 U CN208444884 U CN 208444884U
- Authority
- CN
- China
- Prior art keywords
- pedestal
- stainless steel
- electric vehicle
- power battery
- pure electric
- 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
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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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- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model discloses a kind of flange form power battery safety valve devices for pure electric vehicle, including stainless steel buckle, upper cover shell, pedestal sealing ring and waterproof ventilated membrane, the stainless steel buckle is located at the back side of pedestal, the back side of the waterproof ventilated membrane welding and pedestal and the inside for being embedded in stainless steel buckle, it is tightly connected between the pedestal and stainless steel buckle by sealing ring, is fixedly connected with upper cover shell on the front end face of the pedestal.The beneficial effects of the utility model are: can quick pressure releasing, improve battery pack safety.
Description
Technical field
The utility model relates to power battery of electric vehicle technical field, specially a kind of flange form for pure electric vehicle
Power battery safety valve device.
Background technique
The direction developed with the fast development of new-energy automobile, electric car at future automobile.Current pure electric vehicle
What vehicle was all made of is lithium ion battery, and in order to meet the degree of protection that lithium battery increasingly improves, power battery pack need to be complete
It is run in the state of closing.Battery pack can generate heat because of electric discharge in the process of running, in addition surrounding working environment temperature
Variation, the pressure difference inside and outside battery pack can constantly change, and pressure difference will have a direct impact on the service life of battery pack beyond a certain range
And safety.If in the case that internal battery pack monomer or mould group thermal runaway are even exploded, the pressure difference increased rapidly can be straight
Connecing causes battery pack to be exploded, it is therefore desirable to which electric automobile power battery solves the problems, such as this with relief valve device.
Utility model content
The technical issues of the utility model solves is to overcome defect of the existing technology, provide a kind of for pure electric vehicle
The flange form power battery safety valve device of vehicle.The flange form power battery safety valve device for pure electric vehicle has
Have can quick pressure releasing, improve battery pack safety the characteristics of.
To achieve the above object, the utility model provides the following technical solutions: a kind of flange form for pure electric vehicle
Power battery safety valve device, including stainless steel buckle, upper cover shell, pedestal sealing ring and waterproof ventilated membrane, the stainless steel
Buckle is located at the back side of pedestal, and the waterproof ventilated membrane welds the back side with pedestal and is embedded in the inside of stainless steel buckle, institute
It states and is tightly connected between pedestal and stainless steel buckle by sealing ring, be fixedly connected with shell of top cover on the front end face of the pedestal
Body.
Preferably, there are four thermofussion welding contact, the stainless steel buckle leads to fusion welding spot welding for the back side setting of the pedestal
It connects on pedestal.
Preferably, the groove for the diaphragm that is welded is equipped in the pedestal, the waterproof ventilated membrane is welded in groove.
Preferably, the upper cover object and pedestal are fixed using embedded weld seam.
Preferably, the waterproof ventilated membrane 5 uses the non-woven fabric compounded diaphragm of compound e-ptfe+.
Compared with prior art, the utility model has the beneficial effects that upper cover and pedestal use embedded welding seam design, it is embedding
Mounting structure is covered, is controlled by Ultrasonic welding processes, upper cover and pedestal can corresponding certain pressure explosions.Realize the second level of product
Explosion decompression function, under normal pressures change, it is ensured that Battery case breathing balance inside and outside differential pressure；Under extreme situation pressure,
Diaphragm falls off quick pressure releasing, improves battery pack safety, and burst pressure is controlled by welding parameter, orientation reduction weld seam, determining
Burst pressure force value.
Detailed description of the invention
Fig. 1 is the utility model Structure explosion diagram.
Figure label: 1 stainless steel buckle, 2 upper cover shells, 3 pedestals, 4 sealing rings, 5 waterproof ventilated membranes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of flange form power electric for pure electric vehicle
Pond relief valve device, including stainless steel buckle 1, upper cover shell 2,3 sealing ring 4 of pedestal and waterproof ventilated membrane 5, in the pedestal 3
Groove equipped with the diaphragm that is welded, the waterproof ventilated membrane 5 are welded in groove, and there are four hot melts for the back side setting of the pedestal 3
Pad, the stainless steel buckle 1 lead to fusion welding spot welding on the base 3, and the upper cover object 2 and pedestal 3 are using embedded
Weld seam is fixed, and the stainless steel buckle 1 is located at the back side of pedestal 3, the back side and edge of the welding of waterproof ventilated membrane 5 with pedestal 3
Embedded in the inside of stainless steel buckle 1, the waterproof ventilated membrane 5 uses the non-woven fabric compounded diaphragm of compound e-ptfe+, the pedestal 3
It is tightly connected between stainless steel buckle 1 by sealing ring 4, is fixedly connected with upper cover shell 2 on the front end face of the pedestal 3.
Working principle
Upper cover and pedestal use embedded welding seam design, and nested mounting structure is controlled by Ultrasonic welding processes, upper cover and
Pedestal can corresponding certain pressure explosion.Under realizing that the second level explosion decompression function of product, normal pressures change, it is ensured that electricity
Pond cabinet breathing balance inside and outside differential pressure；Under extreme situation pressure, diaphragm falls off quick pressure releasing, improves battery pack safety, explosion
Pressure is controlled by welding parameter, and orientation reduction weld seam determines burst pressure force value.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of flange form power battery safety valve device for pure electric vehicle, including stainless steel buckle (1), upper cover shell
(2), pedestal (3) sealing ring (4) and waterproof ventilated membrane (5), it is characterised in that: the stainless steel buckle (1) is located at pedestal (3)
The back side, the waterproof ventilated membrane (5) weld the back side with pedestal (3) and are embedded in the inside of stainless steel buckle (1), the pedestal
(3) it is tightly connected between stainless steel buckle (1) by sealing ring (4), is fixedly connected on the front end face of the pedestal (3)
Lid housing (2).
2. a kind of flange form power battery safety valve device for pure electric vehicle according to claim 1, feature
Be: there are four thermofussion welding contact, the stainless steel buckle (1) leads to fusion welding spot welding and exists for the back side setting of the pedestal (3)
On pedestal (3).
3. a kind of flange form power battery safety valve device for pure electric vehicle according to claim 1, feature
It is: is equipped with the groove for the diaphragm that is welded in the pedestal (3), the waterproof ventilated membrane (5) is welded in groove.
4. a kind of flange form power battery safety valve device for pure electric vehicle according to claim 1, feature
Be: the waterproof ventilated membrane (5) uses the non-woven fabric compounded diaphragm of compound e-ptfe+.
5. a kind of flange form power battery safety valve device for pure electric vehicle according to claim 1, feature
Be: the upper cover shell (2) and pedestal (3) are fixed using embedded weld seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820906979.2U CN208444884U (en) | 2018-06-12 | 2018-06-12 | A kind of flange form power battery safety valve device for pure electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820906979.2U CN208444884U (en) | 2018-06-12 | 2018-06-12 | A kind of flange form power battery safety valve device for pure electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208444884U true CN208444884U (en) | 2019-01-29 |
Family
ID=65090257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820906979.2U Expired - Fee Related CN208444884U (en) | 2018-06-12 | 2018-06-12 | A kind of flange form power battery safety valve device for pure electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208444884U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110562056A (en) * | 2019-10-12 | 2019-12-13 | 中车资阳机车有限公司 | disposable explosion-proof pressure relief device for locomotive |
| CN113646961A (en) * | 2019-02-12 | 2021-11-12 | 雨果-本兹有限两合公司 | Pressure relief valve for reducing the pressure generated in a chamber-like cavity, such as a battery block |
-
2018
- 2018-06-12 CN CN201820906979.2U patent/CN208444884U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113646961A (en) * | 2019-02-12 | 2021-11-12 | 雨果-本兹有限两合公司 | Pressure relief valve for reducing the pressure generated in a chamber-like cavity, such as a battery block |
| CN113646961B (en) * | 2019-02-12 | 2023-11-07 | 雨果-本兹有限两合公司 | Relief valve for reducing pressure generated in a chamber-like cavity, such as a battery block |
| CN110562056A (en) * | 2019-10-12 | 2019-12-13 | 中车资阳机车有限公司 | disposable explosion-proof pressure relief device for locomotive |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |