CN209592162U - A kind of dynamic lithium battery explosion-proof valve of anti-intense ultrasonic wave impact - Google Patents
A kind of dynamic lithium battery explosion-proof valve of anti-intense ultrasonic wave impact Download PDFInfo
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- CN209592162U CN209592162U CN201920077315.4U CN201920077315U CN209592162U CN 209592162 U CN209592162 U CN 209592162U CN 201920077315 U CN201920077315 U CN 201920077315U CN 209592162 U CN209592162 U CN 209592162U
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- China
- Prior art keywords
- sealing cover
- destressing
- ring
- installing ring
- part sealing
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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 dynamic lithium battery explosion-proof valves of anti-intense ultrasonic wave impact, including external installing ring, rupture groove, middle part sealing cover and sealing cover link block, the external installing ring inner wall bottom is fixedly welded with destressing transition ring, the destressing transition ring is for obstructing external installing ring internal stress as caused by ultrasonic impact power, the destressing transition ring is fixedly connected with middle part sealing cover far from external installing ring side inner wall, the middle part sealing cover is structure as a whole with destressing transition ring, the middle part sealing cover is used for sealed motive force lithium battery, the utility model can pass through the rubber of destressing transition ring and rupture inside grooves, substantially reduce the stress that high power welding machine is transmitted on the sealing cover of middle part, ensure that battery anti-explosion valve will not be ruptured when welding installation, and due to being able to carry out weldering It connects, so that battery anti-explosion valve is more firmly mounted.
Description
Technical field
The utility model relates to battery anti-explosion valve technology field, specially a kind of dynamic lithium battery of anti-intense ultrasonic wave impact
Explosion-proof valve.
Background technique
New energy battery can generate many heats when in use, and air pressure is caused sharply to increase, even meeting when serious
Explosion, therefore in the prior art generally battery anti-explosion valve can be installed additional in the end of battery, it is excessively high to avoid inside battery air pressure
When the explosion that is likely to occur；Explosion-proof valve in the prior art is mostly by adjustable gas bleeder valve, explosion-proof ball and spring and discouraged bottom
Seat composition, adjustable gas bleeder valve are mounted on discouraged pedestal, are equipped with spring and explosion-proof ball between the two, and explosion-proof ball is against discouraged pedestal
Exhaust passage on.
But there are some drawbacks in use in traditional battery anti-explosion valve, such as:
Traditional battery anti-explosion valve must be ruptured after being added to nominal pressure due to guarantee, preset cracking slot
Thickness can become very fragile after squeezing, and need to be welded using high power welding machine when installing battery anti-explosion valve
It connects, if the ultrasonic impact by high power welding machine again, will lead to gas leakage of splitting at cracking slot, and if not using welding
If machine is welded, it will lead to that the installation of battery anti-explosion valve is insecure, and battery anti-explosion valve is easy whole falls off.
Utility model content
The purpose of this utility model is to provide a kind of dynamic lithium battery explosion-proof valves of anti-intense ultrasonic wave impact, on solving
State the problem of proposing in background technique.
To achieve the above object, the utility model provides the following technical solutions: a kind of power lithium of anti-intense ultrasonic wave impact
Battery anti-explosion valve, including external installing ring, rupture groove, middle part sealing cover and sealing cover link block, in the external installing ring
Wall bottom is fixedly welded with destressing transition ring, and the destressing transition ring is for obstructing the external installing ring due to ultrasonic wave
Internal stress caused by impact force, the destressing transition ring far from external installing ring side inner wall be fixedly connected with middle part it is close
Capping, the middle part sealing cover are structure as a whole with destressing transition ring, and the middle part sealing cover is used for sealed motive force lithium battery,
The destressing transition ring and middle part sealing cover junction, which are fixed, offers rupture groove, and the rupture groove is used for dynamic
It is released stress when power cell internal pressure is excessive by splitting for power battery interior；
The external installing ring is located at destressing transition ring side inner wall and is fixedly connected with sealing cover link block, described
The thickness of sealing cover link block is identical as the external thickness of installing ring, the sealing cover link block and described outer
Portion's installing ring is structure as a whole, and the sealing cover link block is fixedly welded with the middle part sealing cover one side edge outer wall, described
Sealing cover link block is structure as a whole with the middle part sealing cover, and the sealing cover link block is for preventing the middle part sealing cover
It integrally falls off when being opened by air pressure.
Further, the thickness of the external installing ring is twice of the middle part sealing cover thickness.
Further, the rupture inside grooves are filled with rubber, and rubber and the rupture groove are close to destressing
It is glued together to cross circle side inner wall fixation.
Further, the external installing ring lower surface offers mounting groove.
Further, the middle part sealing cover is shell structure.
Compared with prior art, the utility model has the beneficial effects that
By utilizing mounting groove by external installing ring fixed placement on battery, since external installing ring is with a thickness of middle part
Twice of sealing cover thickness can guarantee installing outside using bonding machine so that the intensity of external installing ring is strengthened
Outside installing ring will not damage when circle carries out welding installation, and due to being welded with destressing transition in external installing ring inner wall
Circle, while the thickness of destressing transition ring is less than external installing ring, therefore external installing ring is generated by high power welding machine
Vibration of ultrasonic wave when, stress that ultrasonic wave generates inside external installing ring, which opposite can weaken a part and be transmitted to, answers
Power transition ring, and due to close to destressing transition ring side being adhesive with rubber in rupture groove, additionally it is possible to further absorb by
The stress of destressing transition ring conduction, therefore the utility model can pass through the rubber of destressing transition ring and rupture inside grooves
Glue substantially reduces the stress that high power welding machine is transmitted on the sealing cover of middle part, it is ensured that battery anti-explosion valve is when welding installation
It will not rupture, and due to being able to carry out welding, so that battery anti-explosion valve is more firmly mounted.
Detailed description of the invention
Fig. 1 is the utility model schematic perspective view；
Fig. 2 is the utility model schematic view of the front view；
Fig. 3 is that the utility model looks up the schematic diagram of the section structure；
Fig. 4 is the right view the schematic diagram of the section structure of the utility model.
In Fig. 1-4: installing ring outside 1-；2- ruptures groove；Sealing cover in the middle part of 3-；4- sealing cover link block；5- destressing
Transition ring；6- mounting groove.
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.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of dynamic lithium battery of anti-intense ultrasonic wave impact
Explosion-proof valve, including external installing ring 1, rupture groove 2, middle part sealing cover 3 and sealing cover link block 4, in the external installing ring 1
Wall bottom is fixedly welded with destressing transition ring 5, and the destressing transition ring 5 is for obstructing the external installing ring 1 due to super
Internal stress caused by sonic impinging power, the destressing transition ring 5 are fixedly connected with far from external 1 side inner wall of installing ring
Middle part sealing cover 3, the middle part sealing cover 3 are structure as a whole with destressing transition ring 5, and the middle part sealing cover 3 is for sealing
Dynamic lithium battery, the destressing transition ring 5 ruptures groove 2 with fixed offer in 3 junction of middle part sealing cover, described broken
Groove 2 is split for releasing stress when power battery interior pressure is excessive by splitting for power battery interior；
The external installing ring 1 is located at 5 side inner wall of destressing transition ring and is fixedly connected with sealing cover link block 4,
The thickness of the sealing cover link block 4 is identical as the external thickness of installing ring 1, the sealing cover link block 4
It is structure as a whole with the external installing ring 1, the sealing cover link block 4 and the 3 one side edge outer wall of middle part sealing cover are solid
Fixed welding, the sealing cover link block 4 are structure as a whole with the middle part sealing cover 3, and the sealing cover link block 4 is for preventing
The middle part sealing cover 3 integrally falls off when being opened by air pressure.
Thickness by the external installing ring 1 is twice of 3 thickness of middle part sealing cover, so that external
The intensity of installing ring 1 is strengthened, using high power welding machine carry out welding when outside installing ring 1 will not be welded
Pick damage；By being filled with rubber inside the rupture groove 2, and rubber and the rupture groove 2 are close to destressing transition
It is glued together to enclose the fixation of 5 side inner walls, enables rubber to absorb the stress that certain external installing ring 1 generates, reduces from outer
Portion's installing ring 1 is transmitted to the stress intensity at the sealing cover 3 of middle part, guarantees that battery anti-explosion valve is not damaged in welding by internal stress
It is bad；Mounting groove 6 is offered by 1 lower surface of the external installing ring, facilitates to be clamped external installing ring 1 using mounting groove 6 and pacify
On battery, so that battery anti-explosion valve is more firmly mounted；It is shell structure by the middle part sealing cover 3, so that
When middle part sealing cover 3 receives inside battery air pressure, pressure can uniformly be jacked up middle part sealing cover 3, guarantee middle part
3 uniform force of sealing cover.
Working principle: in use, by utilizing mounting groove 6 by external 1 fixed placement of installing ring on battery, due to outside
Twice with a thickness of 3 thickness of middle part sealing cover of installing ring 1 can guarantee so that the intensity of external installing ring 1 is strengthened
Outside installing ring 1 will not damage when carrying out welding installation to external installing ring 1 using bonding machine, and due to installing in outside
It encloses 1 inner wall and is welded with destressing transition ring 5, while the thickness of destressing transition ring 5 is less than external installing ring 1, therefore external peace
When the vibration of ultrasonic wave generated by high power welding machine, what ultrasonic wave generated inside external installing ring 1 answers dress circle 1
Power opposite can weaken a part and be transmitted to destressing transition ring 5, and due to rupturing groove 2 close to destressing transition ring 5 one
Side is adhesive with rubber, additionally it is possible to further absorb the stress conducted by destressing transition ring 5, therefore the utility model can pass through
Rubber inside destressing transition ring 5 and rupture groove 2 substantially reduces high power welding machine and is transmitted on the sealing cover 3 of middle part
Stress, it is ensured that battery anti-explosion valve will not be ruptured when welding installation, and due to being able to carry out welding, so that battery anti-explosion valve
Be more firmly mounted.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
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 dynamic lithium battery explosion-proof valve of anti-intense ultrasonic wave impact, including external installing ring (1), rupture groove (2), middle part
Sealing cover (3) and sealing cover link block (4), it is characterised in that: described external installing ring (1) inner wall bottom, which is fixedly welded with, answers
Power transition ring (5), the destressing transition ring (5) is for obstructing the external installing ring (1) since ultrasonic impact power is produced
Raw internal stress, the destressing transition ring (5) are fixedly connected with middle part sealing cover far from external installing ring (1) side inner wall
(3), the middle part sealing cover (3) is structure as a whole with destressing transition ring (5), and the middle part sealing cover (3) is dynamic for sealing
Power lithium battery, the destressing transition ring (5) and middle part sealing cover (3) junction are fixed to offer rupture groove (2), institute
Rupture groove (2) is stated to be used to release stress when power battery interior pressure is excessive by splitting for power battery interior；
The external installing ring (1) is located at destressing transition ring (5) side inner wall and is fixedly connected with sealing cover link block
(4), the thickness of the sealing cover link block (4) is identical as the thickness of the external installing ring (1), the sealing cover
Link block (4) is structure as a whole with the external installing ring (1), the sealing cover link block (4) and the middle part sealing cover (3)
One side edge outer wall is fixedly welded, and the sealing cover link block (4) is structure as a whole with the middle part sealing cover (3), described close
Capping link block (4) is for preventing the middle part sealing cover (3) from integrally falling off when being opened by air pressure.
2. a kind of dynamic lithium battery explosion-proof valve of anti-intense ultrasonic wave impact according to claim 1, it is characterised in that: described
The thickness of external installing ring (1) is twice of middle part sealing cover (3) thickness.
3. a kind of dynamic lithium battery explosion-proof valve of anti-intense ultrasonic wave impact according to claim 1, it is characterised in that: described
It ruptures and is filled with rubber inside groove (2), and rubber and the rupture groove (2) are close to destressing transition ring (5) side inner wall
Fixation is glued together.
4. a kind of dynamic lithium battery explosion-proof valve of anti-intense ultrasonic wave impact according to claim 1, it is characterised in that: described
External installing ring (1) lower surface offers mounting groove (6).
5. a kind of dynamic lithium battery explosion-proof valve of anti-intense ultrasonic wave impact according to claim 1, it is characterised in that: described
Middle part sealing cover (3) is shell structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920077315.4U CN209592162U (en) | 2019-01-17 | 2019-01-17 | A kind of dynamic lithium battery explosion-proof valve of anti-intense ultrasonic wave impact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920077315.4U CN209592162U (en) | 2019-01-17 | 2019-01-17 | A kind of dynamic lithium battery explosion-proof valve of anti-intense ultrasonic wave impact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209592162U true CN209592162U (en) | 2019-11-05 |
Family
ID=68353999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920077315.4U Active CN209592162U (en) | 2019-01-17 | 2019-01-17 | A kind of dynamic lithium battery explosion-proof valve of anti-intense ultrasonic wave impact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209592162U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113659254A (en) * | 2021-08-20 | 2021-11-16 | 常州武进中瑞电子科技股份有限公司 | Explosion-proof battery cap |
| WO2022152042A1 (en) * | 2021-01-15 | 2022-07-21 | 蜂巢能源科技股份有限公司 | Explosion-proof valve for battery cell, battery cell, and battery module |
| WO2023151321A1 (en) * | 2022-02-10 | 2023-08-17 | 湖北亿纬动力有限公司 | Explosion-proof valve, battery cover, and battery |
-
2019
- 2019-01-17 CN CN201920077315.4U patent/CN209592162U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022152042A1 (en) * | 2021-01-15 | 2022-07-21 | 蜂巢能源科技股份有限公司 | Explosion-proof valve for battery cell, battery cell, and battery module |
| CN113659254A (en) * | 2021-08-20 | 2021-11-16 | 常州武进中瑞电子科技股份有限公司 | Explosion-proof battery cap |
| WO2023151321A1 (en) * | 2022-02-10 | 2023-08-17 | 湖北亿纬动力有限公司 | Explosion-proof valve, battery cover, and battery |
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