CN105845867B - Explosion-proof valve for power battery box - Google Patents
Explosion-proof valve for power battery box Download PDFInfo
- Publication number
- CN105845867B CN105845867B CN201610179194.5A CN201610179194A CN105845867B CN 105845867 B CN105845867 B CN 105845867B CN 201610179194 A CN201610179194 A CN 201610179194A CN 105845867 B CN105845867 B CN 105845867B
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- China
- Prior art keywords
- balanced valve
- explosion
- cushion chamber
- air discharge
- discharge cavity
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Classifications
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- 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
- H01M50/342—Non-re-sealable arrangements
-
- 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
-
- 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
Abstract
The invention discloses a kind of explosion-proof valves for power battery box, it include: body part, battery case interface and gas vent are provided on the body part, the battery case interface is for connecting inside power battery box, cushion chamber and air discharge cavity are formed in the body part, the cushion chamber is connected with the battery case interface；Balanced valve, the balanced valve is located in the air discharge cavity and the relatively described air discharge cavity is removable；And elastic device, the elastic device is flexibly against the balanced valve so that the balanced valve often seals the cushion chamber, wherein being moved in the air discharge cavity under the action of when the gas pressure in the cushion chamber is more than default safety value, the balanced valve is in the gas pressure so that the gas vent is connected to the cushion chamber.Gas in battery case can be discharged rapidly when the pressure and temperature in battery case increases, battery case is avoided to explode because pressure and temperature is excessively high by explosion-proof valve according to the present invention.
Description
Technical field
The present invention relates to technical field of vehicle, in particular to a kind of explosion-proof valve for power battery box.
Background technique
For battery case in the related technology in order to reach the degree of protection of water proof and dust proof, airtightness is very good.But guarantee close
The problem of secure context can be brought while closing property, as lithium ion battery overcharge, over-discharge or situations such as stabbed by sharp object
Under, single battery core is easy to produce moment quick-fried spray situation, in the process, has bulk gas and dust to generate, these substances are full of
It in the box house of battery system, causes the intracorporal pressure of case and sharply increases, when pressure reaches what cabinet can be born in cabinet
When maximum critical value, cabinet internal and external pressure difference will cause battery case instantaneous explosion.
Summary of the invention
The present invention is directed to solve one of above-mentioned technical problem in the prior art at least to a certain extent.For this purpose, this hair
A bright purpose is to propose a kind of explosion-proof valve for power battery box, pressure and temperature of the explosion-proof valve in battery case
The gas in battery case is discharged rapidly when increasing, battery case is avoided to explode because pressure and temperature is excessively high.
Explosion-proof valve according to the present invention for power battery box, comprising: body part is provided with battery on the body part
Case interface and gas vent, the battery case interface are formed with cushion chamber in the body part for connecting inside power battery box
And air discharge cavity, the cushion chamber are connected with the battery case interface；Balanced valve, the balanced valve is located in the air discharge cavity and phase
It is removable to the air discharge cavity；And elastic device, the elastic device is flexibly against the balanced valve so that the balance
Valve often seals the cushion chamber, wherein the balanced valve is in institute when the gas pressure in the cushion chamber is more than default safety value
It states and is moved in the air discharge cavity under the action of gas pressure so that the gas vent is connected to the cushion chamber.
Explosion-proof valve according to the present invention for power battery box, by the way that movably balanced valve is arranged, in cushion chamber
Gas pressure it is higher when, push balanced valve to be moved to gas vent using gas pressure, gas can be discharged from gas vent to drop
The intracavitary pressure and temperature of low-buffer, avoids battery case from exploding because pressure and temperature is excessively high.
In addition, the explosion-proof valve according to the present invention for power battery can also have the following additional technical features:
According to one embodiment of present invention, the body part is for L shape and including vertical section and horizontal segment, the vertical section
Interior is the cushion chamber, is the air discharge cavity in the horizontal segment.
According to one embodiment of present invention, communication port is offered on the side wall of the vertical section, the communication port is used for
It is connected to the cushion chamber and the air discharge cavity, the balanced valve often seals the communication port.
According to one embodiment of present invention, the battery case interface is formed in the free end of the vertical section, and described
The other end closing opposite with the free end of vertical section, the communication port is adjacent to the other end.
According to one embodiment of present invention, multiple gas vents are offered on the peripheral wall of the horizontal segment, it is described to put
Port is axially extending along the horizontal segment.
According to one embodiment of present invention, the elastic device is helical spring.
According to one embodiment of present invention, the helical spring is multiple, and the length of the multiple helical spring is different,
And longest helical spring respectively elastically compresses the opposite with the balanced valve of the balanced valve and the body part
On bottom wall.
According to one embodiment of present invention, the multiple helical spring successively nested setting from inside to outside, and be located at
The length longest of outermost helical spring, one end of remaining helical spring are connected with the bottom wall, and the other end with it is described
Balanced valve is spaced apart.
According to one embodiment of present invention, the balanced valve is configured to discoidal plates, sets on the balanced valve
It is equipped with the first guide frame, the second guide frame with first guide frame cooperation is provided on the horizontal segment.
According to one embodiment of present invention, the intersection of the air discharge cavity and the cushion chamber is provided with for backstop institute
State the annular flange of balanced valve.
Detailed description of the invention
Fig. 1 is the schematic diagram of explosion-proof valve according to an embodiment of the present invention；
Fig. 2 is the schematic diagram of body part according to an embodiment of the present invention；
Fig. 3 is the cross-sectional view of explosion-proof valve according to an embodiment of the present invention；
Fig. 4 is the schematic diagram in a direction of balanced valve according to an embodiment of the present invention and body part cooperation；
Fig. 5 is the schematic diagram in another direction of balanced valve according to an embodiment of the present invention and body part cooperation.
Appended drawing reference:
Explosion-proof valve 100,
Body part 110, vertical section 111, horizontal segment 112, annular flange 112a, bottom wall 112b, sliding rail 112c,
Balanced valve 120, elastic device 130,
Battery case interface 101, gas vent 102, cushion chamber 103, air discharge cavity 104, communication port 105.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is at least two, such as two
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate with each other；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art,
The specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
The power battery of pure electric automobile generally uses lithium ion battery at present.In order to protect single battery core, electrical connection and
Electronic component is not influenced by water, and the degree of protection of most of lithium ion battery cabinet needs to reach the requirement of dustproof and waterproof,
Battery system is put into the water of one meter of depth, battery system there cannot be water immersion.In order to reach such requirement, the sealing of cabinet
It is very good that performance needs, and water cannot immerse, and the passability of air also just drops to very small degree accordingly.
But guarantee the problem of also bringing secure context while box body tightness, as lithium ion battery overcharge, over-discharge
Or when being stabbed by sharp object, single battery core is easy to produce moment quick-fried spray situation and can generate and largely contain in the process
There are the gas and dust of CO, CO2, these substances are full of the box house in battery system, and the gas flow of quick-fried spray will be in tens millis
Reach maximum value in second, while battery core quick-fried spray, the temperature of battery core will rise to 100 DEG C or more.Within such short time, produce
The rising of raw gas He its temperature causes the intracorporal pressure of case and sharply increases, if this pressure cannot discharge, do not have
The battery core of quick-fried spray is also under this pressure and temperature, there is the danger being triggered, that is, so-called " domino " effect.
When pressure reaches the maximum critical value that cabinet can be born in cabinet, cabinet internal and external pressure difference will cause battery case wink
Between explode, explosion will cause immeasurable loss to neighbouring personnel and property once occurring.So when the quick-fried spray leakage of battery core
Afterwards, battery case should have discouraged explosion-protection equipment, and internal pressure is quickly released, and prevent pressure from rising and generate " domino " effect
It answers.
Therefore, the present invention provides a kind of explosion-proof valve 100 for power battery box, promote and solve electric car core
The safety problem of heart components battery system.
It is retouched in detail below with reference to explosion-proof valve 100 for power battery box of the Fig. 1 to Fig. 5 to the embodiment of the present invention
It states.
Explosion-proof valve 100 according to an embodiment of the present invention for power battery box may include body part 110, balanced valve
120 and elastic device 130.
Wherein, battery case interface 101 and gas vent 102 are provided on body part 110, battery case interface 101 is for connecting
Inside power battery box, cushion chamber 103 and air discharge cavity 104, cushion chamber 103 and battery case interface 101 are formed in body part 110
It is connected.
That is, cushion chamber 103 is linked together with air discharge cavity 104 by battery case interface 101, when battery generation is quick-fried
When spray, the gas generated in cabinet can enter cushion chamber 103 by battery case interface 101, avoid the gas in battery case
Pressure is excessive.
Balanced valve 120 is located in air discharge cavity 104 and opposite air discharge cavity 104 is removable, and elastic device 130 is flexibly resisted against
Balanced valve 120 is so that balanced valve 120 often seals cushion chamber 103, wherein the gas pressure in cushion chamber 103 is more than default safety
When value, balanced valve 120 moves in air discharge cavity 104 under the action of gas pressure so that gas vent 102 is connected to cushion chamber 103.
The confined state and stiffness factor of elastic device 130 determine the mobile difficulty or ease of elastic device 130, when elasticity fills
When setting that 130 compressed degree are larger or stiffness factor is larger, the gas pressure in cushion chamber 103 also bigger will can just overcome bullet
Property device 130 elastic force make elastic device 130 mobile；When the compressed degree of elastic device 130 is smaller or stiffness factor compared with
Hour, the gas pressure in cushion chamber 103 does not need then especially the elastic force of elastic device 130 can be overcome to make elastic dress greatly
It is mobile to set 130.
When the pressure in cushion chamber 103 is sufficiently large, make balanced valve 120 be moved to gas vent 102 when, gas can be from putting
Port 102 is discharged, and reduces the gas pressure in cushion chamber 103, avoids battery the temperature inside the box excessively high or gas pressure is excessive causes
Battery case explodes.
It is understood that the volume of cushion chamber 103 is gradually increased during balanced valve 120 is mobile, that is
Pressure during balanced valve 120 is mobile in cushion chamber 103 is likely to decrease.Therefore, with regard to one after not balanced valve 120 is mobile
Surely gas is discharged.When gas pressure only in cushion chamber 103 is larger, balanced valve 120 can just move longer distance and reach
Gas vent 102 is to be discharged gas.
Explosion-proof valve 100 according to an embodiment of the present invention for power battery box, by the way that movably balanced valve is arranged
120, push balanced valve 120 to be moved to gas vent 102, gas using gas pressure when the gas pressure in cushion chamber 103 is higher
Body can be discharged from gas vent 102 to reduce the pressure and temperature in cushion chamber 103, avoid battery case excessively high because of pressure and temperature
And it explodes.
In some embodiments of the invention, as shown in Figure 3 and Figure 4, body part 110 is for L shape and including 111 He of vertical section
Horizontal segment 112, it is air discharge cavity 104 in horizontal segment 112 that interior vertical section 111, which is cushion chamber 103,.Balanced valve 120 is arranged in horizontal segment
In 112, when thus the gas pressure in cushion chamber 103 increases suddenly, gas will not be directly impinging balanced valve 120, but
It is directly impacted with the outer wall of body part 110, and then plays the role of a buffering, avoid the gas pressure in cushion chamber 103
Balanced valve 120 is pushed when being especially big.
Further, as shown in figure 4, offering communication port 105 on the side wall of vertical section 111, communication port 105 is for being connected to
Cushion chamber 103 and air discharge cavity 104, balanced valve 120 often seal communication port 105.
Further, battery case interface 101 is formed in the free end of vertical section 111, vertical section 111 with free end phase
Pair the other end closing, communication port 105 is adjacent to the other end.Gas in battery line enters vertical section 111 from free end first,
Then it is impacted with the other end of vertical section 111, the other end of vertical section 111 is sealed to play buffer function, when in cushion chamber 103
Gas pressure when continuing to increase and reach preset value, balanced valve 120 is mobile to reduce gas pressure or the row in cushion chamber 103
Gas in cushion chamber 103 out.
In some embodiments of the invention, as shown in Fig. 2, offering multiple gas vents on the peripheral wall of horizontal segment 112
102, gas vent 102 is axially extending along horizontal segment 112.Balanced valve 120 can be moved to deflation under the pressure of the gas as a result,
Mouth 102, the pressure of gas is bigger, and the mobile distance of balanced valve 120 is bigger, and the gas vent 102 for being subsequently used in exhaust can be vented
Part it is bigger.It therefore can more promptly will be in cushion chamber 103 along the axially extending gas vent 102 of horizontal segment 112
Gas discharge, reduce battery case in pressure and temperature.
In some embodiments of the invention, as depicted in figs. 1 and 2, elastic device 130 is helical spring.Of course, it is possible to
Understand, elastic device 130 can also use other structures, as long as guaranteeing that elastic device 130 can be in the work of gas pressure
It is moved with lower.
Further, helical spring is multiple, and the length of multiple helical springs is different, and longest helical spring is distinguished
It is flexibly pressed on the bottom wall 112b opposite with balanced valve 120 of balanced valve 120 and body part 110.
Balanced valve 120 is contacted with the longer helical spring of length first when moving as a result, then shorter with length
Helical spring contact, just can gradually be expressed to shorter bullet when thus the gas pressure only in cushion chamber 103 is sufficiently large
Spring, and then the gas being discharged in cushion chamber 103.
Of course, it should be understood that multiple springs all can also flexibly squeeze balanced valve 120 and body part 110 with
On the opposite bottom wall 112b of balanced valve 120, as long as guaranteeing that the stiffness factor of multiple springs is different.
Further, multiple helical springs successively nested setting, and helical spring on the outermost side from inside to outside
Length longest, one end of remaining helical spring is connected with bottom wall 112b, and the other end is spaced apart with balanced valve 120.
In some embodiments of the invention, as shown in Figures 3 to 5, balanced valve 120 is configured to discoidal plates,
It is provided with the first guide frame on balanced valve 120, the second guiding knot of the first guide frame cooperation is provided on horizontal segment 112
Structure.
Discoidal balanced valve 120 can be sealed preferably with horizontal segment 112, avoid extraneous air or water from gas vent
102 enter cushion chamber 103 and then enter in battery case.First guide frame and the cooperation of the second guide frame can make to balance
Valve 120 moves the stability that balanced valve 120 is improved without being flipped along horizontal segment 112.
Optionally, one in the first guide frame and the second guide frame can be sliding slot, the first guide frame and the
Another in two guide frames can be sliding rail 112c.
In some embodiments of the invention, the intersection of air discharge cavity 104 and cushion chamber 103 is provided with balances for backstop
The annular flange 112a of valve 120.As a result, under normal conditions, the elastic force of elastic device 130 will not shift balanced valve 120 onto cushion chamber
In 103.
The explosion-proof valve 100 of the embodiment of the present invention is based on mechanical balance principle and carries out exploitation design, realizes when in Battery case
When portion's air pressure rises to a certain threshold values, the balanced valve 120 of this explosion-proof valve 100 is moved to gas vent 102, by box house
Gas gushes outward, to achieve the effect that cabinet internal and external pressure balance.
The explosion-proof valve 100 of the embodiment of the present invention is made of body part 110, elastic device 130, balanced valve 120, body part
110 can be process by metal or plastic material, and moulding process can be according to the different by body part of method for producing
110 points of two to four parts are developed, then by welding, removable the modes such as match and be bolted and be shaped to body part
110。
Balance valve seals can be set between balanced valve 120 and body part 110, set between body part 110 and cabinet
Explosion-proof valve seals are equipped with, and then avoids extraneous dust or moisture and enters cushion chamber 103.
The technology basic demand of explosion-proof valve 100 are as follows: the 1) cushion chamber 103 between body part 110 and balanced valve 120 should meet
Degree of protection IP67 such as needs to be made into two parts in this section, it should be noted that using the means such as sealant or sealing ring by its
It is connected after sealing；2) explosion-proof valve 100 being exposed on the outside of Battery case needs to meet automobile chassis salt spray test standard requirements；
3) pressure that battery case is able to bear should be greater than twice or more of 120 cracking pressure of balanced valve, guarantee that pressure increases in Battery case
The safety of added-time；4) explosion-proof valve seals are mounted between body part 110 and battery case, guarantee that explosion-proof valve 100 is assemblied in cabinet
Upper rear and cabinet sealing performance.
The technical requirements of balanced valve 120: 1) it static pressure and dynamic pressure in the case of needs to guarantee that balanced valve 120 is indeformable, not be crushed；2)
Phenomena such as capable of smoothly moving in the sliding rail of the body part 110 of explosion-proof valve 100, failing there is no stuck, torsion etc.
Generation, need that the guide chute cooperated with the track of body part 110 will be designed on balanced valve 120；3) balanced valve 120 is opened
Capacity afterwards needs to guarantee that the gas of high pressure-temperature in Battery case (opposite room temperature) is discharged in 1-2 seconds, therefore balanced valve 120
Capacity after unlatching needs to calculate assessment and test of many times determines.Spring body is the emphasis that explosion-proof valve 100 is developed, spring body
Design requirement: 1) applied mechanics equilibrium principle, the K value of exploitation selection spring body；2) spring body is opened threshold values and is needed according to battery
Battery core quantity in cabinet, the intracorporal temperature of failure conditions nowel, pressure history select threshold values；3) spring is by the big of decrement
It is small, the size in Battery case with outside atmosphere pressure difference is represented, pressure difference is bigger, and it is bigger by decrement, it is excluded gas
Dynamic pressure it is bigger.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
What can be combined in any suitable manner in one or more embodiment or examples.In addition, those skilled in the art can say this
Different embodiments or examples described in bright book are engaged and are combined.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (8)
1. a kind of explosion-proof valve for power battery box characterized by comprising
Body part is provided with battery case interface and gas vent on the body part, and the battery case interface is for connecting power electric
Inside the case of pond, cushion chamber and air discharge cavity are formed in the body part, the cushion chamber is connected with the battery case interface；
Balanced valve, the balanced valve is located in the air discharge cavity and the relatively described air discharge cavity is removable；And
Elastic device, the elastic device flexibly against the balanced valve so that the balanced valve often seals the cushion chamber,
The balanced valve is under the action of the gas pressure when wherein the gas pressure in the cushion chamber is more than default safety value
It is moved in the air discharge cavity so that the gas vent is connected to the cushion chamber；
The body part is L shape and including vertical section and horizontal segment, is the cushion chamber in the vertical section, in the horizontal segment
For the air discharge cavity；
Multiple gas vents are offered on the peripheral wall of the horizontal segment, the gas vent is axially extending along the horizontal segment.
2. the explosion-proof valve according to claim 1 for power battery box, which is characterized in that on the side wall of the vertical section
Communication port is offered, for the communication port for being connected to the cushion chamber and the air discharge cavity, the balanced valve often seals the company
Port.
3. the explosion-proof valve according to claim 2 for power battery box, which is characterized in that the battery case interface is formed
In the free end of the vertical section, and the other end closing opposite with the free end of the vertical section, the communication port are adjacent
The nearly other end.
4. the explosion-proof valve according to claim 1 for power battery box, which is characterized in that the elastic device is spiral
Spring.
5. the explosion-proof valve according to claim 4 for power battery box, which is characterized in that the helical spring is more
A, the length of the multiple helical spring is different, and longest helical spring respectively elastically compress the balanced valve and
On the bottom wall opposite with the balanced valve of the body part.
6. the explosion-proof valve according to claim 5 for power battery box, which is characterized in that the multiple helical spring from
Successively nested setting from inside to outside, and the length longest of helical spring on the outermost side, one end of remaining helical spring with
The bottom wall is connected, and the other end is spaced apart with the balanced valve.
7. the explosion-proof valve according to claim 1 for power battery box, which is characterized in that the balanced valve is configured to justify
The plates of dish type are provided with the first guide frame on the balanced valve, are provided on the horizontal segment and first guiding
Second guide frame of structure cooperation.
8. the explosion-proof valve according to claim 1 for power battery box, which is characterized in that the air discharge cavity is delayed with described
The intersection for rushing chamber is provided with annular flange for balanced valve described in backstop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610179194.5A CN105845867B (en) | 2016-03-25 | 2016-03-25 | Explosion-proof valve for power battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610179194.5A CN105845867B (en) | 2016-03-25 | 2016-03-25 | Explosion-proof valve for power battery box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105845867A CN105845867A (en) | 2016-08-10 |
| CN105845867B true CN105845867B (en) | 2019-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610179194.5A Active CN105845867B (en) | 2016-03-25 | 2016-03-25 | Explosion-proof valve for power battery box |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969980B (en) * | 2017-03-08 | 2019-09-03 | 北京新能源汽车股份有限公司 | Battery anti-explosion valve test system |
| CN113611955B (en) * | 2021-08-13 | 2023-10-10 | 深圳朴坂科技有限公司 | Temperature adjusting device based on self-generating technology for new energy automobile battery |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324478A (en) * | 2011-08-25 | 2012-01-18 | 奇瑞汽车股份有限公司 | Battery safety valve and vacuum-pumping and pressure-releasing method thereof |
| CN102569694A (en) * | 2011-12-28 | 2012-07-11 | 刘立文 | Anti-explosion device for storage battery convey car |
-
2016
- 2016-03-25 CN CN201610179194.5A patent/CN105845867B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324478A (en) * | 2011-08-25 | 2012-01-18 | 奇瑞汽车股份有限公司 | Battery safety valve and vacuum-pumping and pressure-releasing method thereof |
| CN102569694A (en) * | 2011-12-28 | 2012-07-11 | 刘立文 | Anti-explosion device for storage battery convey car |
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| Publication number | Publication date |
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| CN105845867A (en) | 2016-08-10 |
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