CN105845867A - Explosion-proof valve for power battery case - Google Patents
Explosion-proof valve for power battery case Download PDFInfo
- Publication number
- CN105845867A CN105845867A CN201610179194.5A CN201610179194A CN105845867A CN 105845867 A CN105845867 A CN 105845867A CN 201610179194 A CN201610179194 A CN 201610179194A CN 105845867 A CN105845867 A CN 105845867A
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- China
- Prior art keywords
- explosion
- valve
- battery case
- balanced valve
- cushion chamber
- 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.)
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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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The invention discloses an explosion-proof valve for a power battery case. The explosion-proof valve includes a body provided with a battery case port and a gas discharge outlet. The battery case port is connected to interior of the power battery case. A buffer chamber and the gas discharge chamber are formed in the body. The buffer chamber is connected to the battery case port. A balance valve is arranged in the gas discharge chamber and is movable relative to the gas discharge chamber. An elastic apparatus elastically presses against the balance valve, so that the balance valve normally seals the buffer chamber. When air pressure in the buffer chamber exceeds a preset safe value, the balance valve is moved in the gas discharge chamber under the effect of air pressure to communicate the gas discharge outlet with the buffer chamber. The explosion-proof valve allows gas in the battery case to be discharged rapidly when the pressure and temperature in the battery case are increased, thereby avoiding explosion in the battery case due to excessive pressure and temperature.
Description
Technical field
The present invention relates to technical field of vehicle, particularly to a kind of explosion-proof valve for power battery box.
Background technology
Battery case in correlation technique is in order to reach the degree of protection of water proof and dust proof, and its seal is the best.But guarantee seal
While can bring the problem of secure context, as lithium ion battery overcharging, cross and put or stabbed by sharp object when,
Monomer battery core easily produces moment quick-fried spray situation, in the process, has a large amount of gas and dust to produce, and these materials are full of
The box house of battery system, the pressure caused in casing sharply increases, when in casing, pressure reaches casing and can bear
During big marginal value, casing external and internal pressure difference will result in battery case instantaneous explosion.
Summary of the invention
It is contemplated that solve one of above-mentioned technical problem of the prior art the most to a certain extent.To this end, the present invention
One purpose is to propose a kind of explosion-proof valve for power battery box, and this explosion-proof valve pressure and temperature in battery case increases
Time rapidly by battery case gas discharge, it is to avoid battery case explodes because pressure and temperature is too high.
According to the explosion-proof valve for power battery box of the present invention, including: body, described body is provided with battery case
Interface and gas vent, described battery case interface is used for connecting inside power battery box, be formed in described body cushion chamber and
Air discharge cavity, described cushion chamber is connected with described battery case interface；Balanced valve, described balanced valve is positioned at described air discharge cavity and phase
Described air discharge cavity be may move；And elastic device, described elastic device is flexibly against described balanced valve so that described balance
Valve often seals described cushion chamber, and wherein the gas pressure in described cushion chamber exceedes during preset security value described balanced valve in institute
State and move in described air discharge cavity under the effect of gas pressure so that described gas vent connects described cushion chamber.
According to the explosion-proof valve for power battery box of the present invention, by arranging balanced valve movably, the gas in cushion chamber
When body pressure is higher, utilizing gas pressure to promote balanced valve to move to gas vent, gas can be discharged to reduce slow from gas vent
Rush the pressure and temperature of intracavity, it is to avoid battery case explodes because pressure and temperature is too high.
It addition, can also have the technical characteristic added as follows according to the explosion-proof valve for electrokinetic cell of the present invention:
According to one embodiment of present invention, described body is L-shaped and includes vertical section and horizontal segment, in described vertical section
For described cushion chamber, described horizontal segment is interior is described air discharge cavity.
According to one embodiment of present invention, the sidewall of described vertical section offering connected entrance, described connected entrance is used for connecting
Described cushion chamber and described air discharge cavity, described balanced valve often seals described connected entrance.
According to one embodiment of present invention, described battery case interface is formed at the free end of described vertical section, and described vertically
The other end relative with described free end of section is closed, and described connected entrance is adjacent to the described other end.
According to one embodiment of present invention, the perisporium of described horizontal segment offers multiple described gas vent, described gas vent
Axially extending along described horizontal segment.
According to one embodiment of present invention, described elastic device is helical spring.
According to one embodiment of present invention, described helical spring is multiple, and the length of the plurality of helical spring is different, and
And the longest helical spring respectively elastically compresses the diapire relative with described balanced valve of described balanced valve and described body
On.
According to one embodiment of present invention, the plurality of helical spring is the most nested to be arranged, and is positioned at outermost
The length of the helical spring of side is the longest, and one end of remaining helical spring is connected with described diapire, and the other end and described balance
Valve is spaced apart.
According to one embodiment of present invention, described balanced valve is configured to discoidal plates, and described balanced valve is provided with
First guide frame, described horizontal segment is provided with the second guide frame coordinated with described first guide frame.
According to one embodiment of present invention, described air discharge cavity is provided with for flat described in backstop with the intersection of described cushion chamber
The annular flange flange of weighing apparatus valve.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of explosion-proof valve according to embodiments of the present invention；
Fig. 2 is the schematic diagram of body according to embodiments of the present invention；
Fig. 3 is the sectional view of explosion-proof valve according to embodiments of the present invention；
Fig. 4 is the schematic diagram in the direction that balanced valve according to embodiments of the present invention coordinates with body；
Fig. 5 is the schematic diagram in another direction that balanced valve according to embodiments of the present invention coordinates with body.
Reference:
Explosion-proof valve 100,
Body 110, vertical section 111, horizontal segment 112, annular flange flange 112a, diapire 112b, slide rail 112c,
Balanced valve 120, elastic device 130,
Battery case interface 101, gas vent 102, cushion chamber 103, air discharge cavity 104, connected entrance 105.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most identical
Or similar label represents same or similar element or has the element of same or like function.Retouch below with reference to accompanying drawing
The embodiment stated is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ",
Orientation or the position relationship of the instruction such as " outward ", " clockwise ", " counterclockwise " are based on orientation shown in the drawings or position relationship,
It is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must have specific
Orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed
Or implicitly include one or more this feature.In describing the invention, " multiple " are meant that at least two,
Such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing "
Should be interpreted broadly Deng term, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be
It is mechanically connected, it is also possible to be to electrically connect maybe can communicate with one another；Can be to be joined directly together, it is also possible to indirect by intermediary
It is connected, can be connection or the interaction relationship of two elements of two element internals.Ordinary skill people for this area
For Yuan, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score
Can include that the first and second features directly contact, it is also possible to include that the first and second features are not directly contact but logical
Cross the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " on
Face " include that fisrt feature directly over second feature and oblique upper, or is merely representative of fisrt feature level height higher than the
Two features.Fisrt feature second feature " under ", " lower section " and " below " include that fisrt feature is special second
Levy underface and obliquely downward, or be merely representative of fisrt feature level height less than second feature.
The electrokinetic cell of pure electric automobile commonly uses lithium ion battery at present.In order to protect monomer battery core, electrical connection and electronics
Components and parts are not affected by water, and the degree of protection of major part lithium ion battery casing needs to reach the requirement of dustproof and waterproof, will
Battery system is put in one meter of deep water, and battery system can not have water to immerse.In order to reach this kind of requirement, the sealing of casing
Can need the best, water can not immerse, air drop to the least degree the most accordingly by property.
But the problem also bringing secure context while guarantee box body tightness, as lithium ion battery overcharging, cross put or
When being stabbed by sharp object, monomer battery core easily produces moment quick-fried spray situation, in the process, can produce and contain in a large number
The gas of CO, CO2 and dust, these materials are full of the box house at battery system, and the gas flow of quick-fried spray will be at tens millis
Reaching maximum in Miao, while the quick-fried spray of battery core, the temperature of battery core will rise to more than 100 DEG C.Within such short time,
The gas produced and the rising of its temperature, the pressure caused in casing sharply increases, if this pressure can not get release,
The battery core not having quick-fried spray is also under this pressure and temperature, has the danger being triggered, the most so-called " domino " effect.
When in casing, pressure reaches the maximum critical value that casing can bear, it is quick-fried that casing external and internal pressure difference will result in battery case moment
Fried, blast once occurs, and will cause immeasurable loss to neighbouring personnel and property.So after the quick-fried spray of battery core leaks,
Battery case should have disappointing explosion-protection equipment, internal pressure is quickly discharged, and prevents pressure from rising and produces " domino " effect
Should.
Therefore, the invention provides a kind of explosion-proof valve 100 for power battery box, promote and solve electric automobile core zero
The safety problem of parts battery system.
Below in conjunction with Fig. 1 to Fig. 5, the explosion-proof valve 100 for power battery box of the embodiment of the present invention is described in detail.
The explosion-proof valve 100 for power battery box according to embodiments of the present invention can include body 110, balanced valve 120
With elastic device 130.
Wherein, body 110 being provided with battery case interface 101 and gas vent 102, battery case interface 101 is used for connecting dynamic
Inside power battery case, in body 110, it is formed with cushion chamber 103 and air discharge cavity 104, cushion chamber 103 and battery case interface
101 are connected.
It is to say, cushion chamber 103 is linked together by battery case interface 101 with air discharge cavity 104, when battery occurs quick-fried
During spray, the gas produced in casing can enter into cushion chamber 103 by battery case interface 101, it is to avoid the gas in battery case
Body pressure is excessive.
Balanced valve 120 is positioned at air discharge cavity 104 and air discharge cavity 104 relatively may move, and elastic device 130 is flexibly resisted against
Balanced valve 120 is so that balanced valve 120 often seals cushion chamber 103, and wherein the gas pressure in cushion chamber 103 exceedes default
During safety value, balanced valve 120 moves under the effect of gas pressure in air discharge cavity 104 so that gas vent 102 connection buffers
Chamber 103.
The confined state of elastic device 130 and stiffness factor determine the difficulty or ease that elastic device 130 moves, and work as elastic device
When 130 degree compressed are relatively big or stiffness factor is bigger, the gas pressure in cushion chamber 103 also bigger just can overcome bullet
The elastic force of property device 130 makes elastic device 130 move；The degree compressed when elastic device 130 is less or stiffness factor
Time less, the gas pressure in cushion chamber 103 then need not the elastic force of elastic device 130 just to be overcome to make bullet especially greatly
Property device 130 moves.
When the pressure in cushion chamber 103 is sufficiently large, time balanced valve 120 is moved to gas vent 102, gas can be from putting
QI KOU 102 is discharged, and reduces the gas pressure in cushion chamber 103, it is to avoid battery the temperature inside the box is too high or gas pressure is excessive leads
Cause Battery case to explode.
It is understood that during balanced valve 120 moves, the volume of cushion chamber 103 is gradually increased, that is
During balanced valve 120 moves, pressure in cushion chamber 103 is likely to decrease.Therefore, after not balanced valve 120 moves
The most necessarily discharge gas.When only the gas pressure in cushion chamber 103 is bigger, balanced valve 120 just can move longer away from
From arriving gas vent 102 to discharge gas.
The explosion-proof valve 100 for power battery box according to embodiments of the present invention, by arranging balanced valve 120 movably,
Utilizing gas pressure to promote balanced valve 120 to move to gas vent 102 when gas pressure in cushion chamber 103 is higher, gas can
To discharge to reduce the pressure and temperature in cushion chamber 103 from gas vent 102, it is to avoid battery case is because pressure and temperature is too high
Explode.
In some embodiments of the invention, as shown in Figure 3 and Figure 4, body 110 for L-shaped and includes vertical section 111
With horizontal segment 112, it is cushion chamber 103 in vertical section 111, is air discharge cavity 104 in horizontal segment 112.Balanced valve 120 is arranged
In horizontal segment 112, when thus the gas pressure in cushion chamber 103 increases suddenly, gas will not be directly impinging balance
Valve 120, but directly impact with the outer wall of body 110, and then play the effect of a buffering, it is to avoid at cushion chamber 103
Balanced valve 120 is just promoted when not being the biggest by interior gas pressure.
Further, as shown in Figure 4, the sidewall of vertical section 111 offering connected entrance 105, connected entrance 105 is used for connecting
Cushion chamber 103 and air discharge cavity 104, balanced valve 120 often seals connected entrance 105.
Further, battery case interface 101 is formed at the free end of vertical section 111, vertical section 111 with free end phase
To the other end close, connected entrance 105 is adjacent to the other end.First gas in battery line enter into vertical section 111 from free end,
Then the other end with vertical section 111 impacts, and the other end of vertical section 111 seals to play cushioning effect, when cushion chamber 103
When interior gas pressure continues increase and reach preset value, balanced valve 120 moves to reduce the gas pressure in cushion chamber 103
Or discharge the gas in cushion chamber 103.
In some embodiments of the invention, as in figure 2 it is shown, offer multiple gas vent 102 on the perisporium of horizontal segment 112,
Gas vent 102 is axially extending along horizontal segment 112.Thus, balanced valve 120 can move under the pressure of the gas to venting
Mouth 102, the pressure of gas is the biggest, and the distance that balanced valve 120 moves is the biggest, and the gas vent 102 being subsequently used in aerofluxus is permissible
The part of aerofluxus is the biggest.Therefore the axially extended gas vent 102 along horizontal segment 112 can be more promptly by cushion chamber
Gas in 103 is discharged, and reduces the pressure and temperature in battery case.
In some embodiments of the invention, as depicted in figs. 1 and 2, elastic device 130 is helical spring.Certainly, may be used
To be understood by, elastic device 130 can also use other structures, as long as ensureing that elastic device 130 can be at gas pressure
Effect under removable.
Further, helical spring is multiple, and the length of multiple helical springs is different, and the longest helical spring bullet respectively
It is pressed on the diapire 112b relative with balanced valve 120 of balanced valve 120 and body 110 to property.
Thus, the helical spring that balanced valve 120 is first longer with length when mobile contacts, then at the spiral shell shorter with length
Rotation spring contact, just can gradually be expressed to shorter spring when the most only the gas pressure in cushion chamber 103 is sufficiently large,
And then discharge the gas in cushion chamber 103.
Of course, it should be understood that multiple springs can also the most flexibly extrude balanced valve 120 and body 110 with flat
On the diapire 112b that weighing apparatus valve 120 is relative, as long as ensureing the stiffness factor difference of multiple spring.
Further, multiple helical springs are the most nested to be arranged, and is positioned at the length of outermost helical spring
Spending the longest, one end of remaining helical spring is connected with diapire 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, horizontal segment 112 is provided with the second guiding knot that the first guide frame coordinates
Structure.
Discoidal balanced valve 120 can preferably seal with horizontal segment 112, it is to avoid extraneous air or water are from gas vent 102
Enter into cushion chamber 103 and then enter in battery case.First guide frame and the second guide frame coordinate can make balanced valve
120 move without overturning along horizontal segment 112, improve the stability of balanced valve 120.
Alternatively, in the first guide frame and the second guide frame can be chute, and the first guide frame and second is led
Another in structure can be slide rail 112c.
In some embodiments of the invention, air discharge cavity 104 is provided with for backstop balanced valve with the intersection of cushion chamber 103
Annular flange flange 112a of 120.Thus, under normal conditions, balanced valve 120 will not be shifted onto buffering by the elastic force of elastic device 130
In chamber 103.
The explosion-proof valve 100 of the embodiment of the present invention develops design based on mechanical balance principle, it is achieved when Battery case is internal empty
When atmospheric pressure rises to a certain threshold values, the balanced valve 120 of this explosion-proof valve 100 moves to gas vent 102, by box house
Gas outwards gushes, to reach the effect of casing internal and external pressure balance.
The explosion-proof valve 100 of the embodiment of the present invention is made up of body 110, elastic device 130, balanced valve 120, body 110
Can be processed by metal or plastic material, moulding process can be according to the difference of method for producing by body 110
Divide two to four parts to develop, be then shaped to body 110 by modes such as welding, removable assembling and bolt connections.
Balanced valve sealing ring can be provided with between balanced valve 120 and body 110, arrange between body 110 and casing
There is an explosion-proof valve sealing ring, and then avoid the dust in the external world or moisture enters into cushion chamber 103.
The technology basic demand of explosion-proof valve 100 is: 1) cushion chamber 103 between body 110 and balanced valve 120 should meet
Degree of protection IP67, if desired for making two parts in this section, should be noted that the application means such as fluid sealant or sealing ring are by it
Connect after sealing；2) it is exposed to the explosion-proof valve 100 outside Battery case, needs to meet automobile chassis salt spray test standard-required；
3) pressure that battery case can bear should be greater than balanced valve 120 and opens more than the twice of pressure, it is ensured that in Battery case, pressure increases
The safety of added-time；4) explosion-proof valve sealing ring is arranged between body 110 and battery case, it is ensured that explosion-proof valve 100 is assemblied in case
Rear and the sealing property of casing on body.
The technology of balanced valve 120 requires: 1) need to ensure that balanced valve 120 is indeformable, do not crush in the case of static pressure and dynamic pressure；2)
Can move smoothly in the sliding rail of the body 110 of explosion-proof valve 100, there is not the inefficacies such as stuck, torsion etc. and show
The generation of elephant, needs to design the guide chute coordinated with the track of body 110 on balanced valve 120；3) balanced valve
Capacity after 120 unlatchings needs the gas ensureing Battery case inner high voltage high temperature (relative room temperature) to discharge within the 1-2 second,
Therefore the capacity after balanced valve 120 is opened needs calculating assessment and test of many times to determine.Spring body is explosion-proof valve 100 exploitation
Emphasis, the design of spring body requires: 1) applied mechanics equilibrium principle, and exploitation selects the K value of spring body；2) spring body is opened
Opening threshold values and need according to battery core quantity in Battery case, temperature, pressure history in failure conditions lower box select threshold values；
3) spring is by the size of decrement, represents the interior size with outside atmosphere pressure difference of Battery case, and pressure differential is the biggest, is pressed
Contracting amount is the biggest, and the dynamic pressure being excluded gas is the biggest.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or
Feature is contained at least one embodiment or the example of the present invention.In this manual, the schematic representation to above-mentioned term
Necessarily it is directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible
Any one or more embodiments or example combine in an appropriate manner.Additionally, those skilled in the art can be by
Different embodiments or example described in this specification engage and combine.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is exemplary,
Being not considered as limiting the invention, those of ordinary skill in the art within the scope of the invention can be to above-described embodiment
It is changed, revises, replaces and modification.
Claims (10)
1. the explosion-proof valve for power battery box, it is characterised in that including:
Body, described body is provided with battery case interface and gas vent, and described battery case interface is used for connecting power current
Inside the case of pond, being formed with cushion chamber and air discharge cavity in described body, described cushion chamber is connected with described battery case interface；
Balanced valve, described balanced valve is positioned at described air discharge cavity and the most described air discharge cavity may move；And
Elastic device, described elastic device flexibly against described balanced valve so that described balanced valve often seals described cushion chamber,
Wherein the gas pressure in described cushion chamber exceed during preset security value described balanced valve under the effect of described gas pressure
Move in described air discharge cavity so that described gas vent connects described cushion chamber.
Explosion-proof valve for power battery box the most according to claim 1, it is characterised in that described body is L-shaped
And include vertical section and horizontal segment, it is described cushion chamber in described vertical section, is described air discharge cavity in described horizontal segment.
Explosion-proof valve for power battery box the most according to claim 2, it is characterised in that the sidewall of described vertical section
On offer connected entrance, described connected entrance is used for connecting described cushion chamber and described air discharge cavity, and described balanced valve often seals described
Connected entrance.
Explosion-proof valve for power battery box the most according to claim 3, it is characterised in that described battery case interface shape
Become the free end in described vertical section, and the other end relative with described free end of described vertical section is closed, described connected entrance
The neighbouring described other end.
Explosion-proof valve for power battery box the most according to claim 2, it is characterised in that the perisporium of described horizontal segment
On offer multiple described gas vent, described gas vent is axially extending along described horizontal segment.
Explosion-proof valve for power battery box the most according to claim 1, it is characterised in that described elastic device is spiral shell
Rotation spring.
Explosion-proof valve for power battery box the most according to claim 6, it is characterised in that described helical spring is many
Individual, the length of the plurality of helical spring is different, and the longest helical spring respectively elastically compress described balanced valve and
On the diapire relative with described balanced valve of described body.
Explosion-proof valve for power battery box the most according to claim 7, it is characterised in that the plurality of helical spring
The most nested setting, and the length being positioned at outermost helical spring is the longest, one end of remaining helical spring
It is connected with described diapire, and the other end is spaced apart with described balanced valve.
Explosion-proof valve for power battery box the most according to claim 2, it is characterised in that described balanced valve is configured to
Discoidal plates, described balanced valve is provided with the first guide frame, described horizontal segment is provided with and leads with described first
To the second guide frame of respective outer side edges.
Explosion-proof valve for power battery box the most according to claim 1, it is characterised in that described air discharge cavity and institute
The intersection stating cushion chamber is provided with the annular flange 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 true CN105845867A (en) | 2016-08-10 |
| CN105845867B CN105845867B (en) | 2019-03-12 |
Family
ID=56583566
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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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| CN (1) | CN105845867B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969980A (en) * | 2017-03-08 | 2017-07-21 | 北京新能源汽车股份有限公司 | Battery anti-explosion test system |
| CN113611955A (en) * | 2021-08-13 | 2021-11-05 | 深圳朴坂科技有限公司 | Temperature adjusting device based on self-power-generation 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969980A (en) * | 2017-03-08 | 2017-07-21 | 北京新能源汽车股份有限公司 | Battery anti-explosion test system |
| 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 |
| CN113611955A (en) * | 2021-08-13 | 2021-11-05 | 深圳朴坂科技有限公司 | Temperature adjusting device based on self-power-generation technology for new energy automobile battery |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105845867B (en) | 2019-03-12 |
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