CN109659467A - A kind of explosion-proof vent valve - Google Patents
A kind of explosion-proof vent valve Download PDFInfo
- Publication number
- CN109659467A CN109659467A CN201910088545.5A CN201910088545A CN109659467A CN 109659467 A CN109659467 A CN 109659467A CN 201910088545 A CN201910088545 A CN 201910088545A CN 109659467 A CN109659467 A CN 109659467A
- Authority
- CN
- China
- Prior art keywords
- connector
- explosion
- proof
- valve body
- accommodating cavity
- 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.)
- Pending
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Classifications
-
- 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
- H01M50/394—Gas-pervious parts or elements
-
- 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
-
- 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
- H01M50/375—Vent means sensitive to or responsive to temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/20—Pressure-sensitive devices
-
- 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
Landscapes
- 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 a kind of explosion-proof vent valves, including valve body, gland, ventilated membrane, spring and connector；The valve body has the first connector, the second connector and accommodating cavity, first connector, second connector are connected to the accommodating cavity, the gland connect with the valve body and is covered on first connector, the connector connect with the valve body and is covered on second connector, and the spring, the ventilated membrane are all set in the accommodating cavity.By the way that ventilated membrane is arranged in explosion-proof valve, realize that breathing freely for valve body is explosion-proof, and structure is arranged by multilayer, occupying explosion-proof valve, volume becomes smaller, overall structure is stablized.And by the way that explosion-proof vent valve to be mounted on battery case, the gas that battery case generates enters from air hole, carries out pressure release discharge by ventilated membrane, the external world is finally discharged from gas vent, realize pressure-relief explosion-proof.
Description
Technical field
The present invention relates to a kind of explosion-proof vent valves.
Background technique
New energy battery can be divided into two major classes, respectively battery and fuel cell.Battery can be classified as plumbic acid
The types such as battery, nickel radical battery, serondary lithium battery, air cell.And fuel cell can be divided into alkaline fuel cell, phosphoric acid
Fuel cell, molten carbonate fuel cell, solid oxide fuel cell, Proton Exchange Membrane Fuel Cells, direct methanol combustion
Expect the types such as battery, new energy battery can generate amount of heat when in use, air pressure is caused sharply to increase, under serious conditions
Will lead to explosion, in order to prevent the explosion of new energy battery, it is matched practical to generally use explosion-proof valve, existing explosion-proof valve without
Method well water conservancy diversion, realize pressure-relief explosion-proof, can not preferably ensure its safety, and existing explosion-proof valve boss occupies volume
It is excessive, it is inconvenient for use.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of explosion-proof vent valves.
The scheme of the invention is be achieved:
A kind of explosion-proof vent valve, including valve body, gland, ventilated membrane, spring and connector；
The valve body has the first connector, the second connector and accommodating cavity, first connector, second connection
Mouth is connected to the accommodating cavity, and the gland connect with the valve body and is covered on first connector, the connector
It connect and is covered on second connector with the valve body, the spring, the ventilated membrane are all set in the accommodating cavity
It is interior.
Further, a flange is provided on the connector, the flange has a connection holes, and the connector lid is set
In being set to the flange in the accommodating cavity on second connector, a boss, the pressure are provided on the gland
Being covered on first connector is set to the boss in the accommodating cavity, and the flange passes through the connection holes
It is sheathed on the outside the boss.
Further, the connector offers an air hole, and the air hole is connected to the connection holes.
Further, the ventilated membrane is set in the connection holes.
Further, the side wall of first connector protrudes to form annular protrusion to the accommodating cavity, the convex annular
It rises and is sheathed on the flange outer sides.
Further, the spring pocket is set on the outside of the annular protrusion.
Further, sealing ring is provided on the valve body.
Further, the sealing ring is H-type sealing ring.
Further, the gland offers gas vent, and the gas vent runs through the boss.
The beneficial effects of the present invention are:
By the way that ventilated membrane is arranged in explosion-proof valve, realizes that breathing freely for valve body is explosion-proof, and structure is arranged by multilayer, make to prevent
Quick-fried valve occupancy volume becomes smaller, overall structure is stablized.And it is used to connect the structure for compressing integrated explosion proof system vent valve by setting spring,
Spring accelerates pressure release, prevents under high pressure conditions battery that amount of heat is arranged the explosion-proof vent valve spalling caused by explosion-proof valve, and makes
Gas is obtained quickly to be discharged, realize rapidly pressure release.Explosion-proof vent valve is mounted on battery case, the gas that battery case generates is from ventilative
Hole enters, and carries out pressure release discharge by ventilated membrane, and extraneous, realization pressure-relief explosion-proof is finally discharged from gas vent.
Detailed description of the invention
The invention will be further described with embodiment with reference to the accompanying drawing.
Fig. 1 is the decomposition texture schematic diagram of explosion-proof vent valve in one embodiment of the invention.
Fig. 2 is the combining structure schematic diagram of explosion-proof vent valve in one embodiment of the invention.
Fig. 3 is the sectional view of explosion-proof vent valve in one embodiment of the invention.
Fig. 4 is the sectional view of valve body in one embodiment of the invention.
Fig. 5 is the structural schematic diagram of connector in one embodiment of the invention.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.Below with reference to the attached drawing of the embodiment of the present invention, technical solution of the present invention is described further, the present invention is not only
It is limited to following specific embodiments.
It is to be appreciated that in the attached drawing of embodiment, the same or similar label correspond to the same or similar components.At this
In the description of invention, it is to be understood that if having term " upper ", " under ", " preceding ", " rear ", " left side ", " right side ", " top ", " bottom " etc. refer to
The orientation or positional relationship shown 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 simplifies
Description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, constructed and grasped with specific orientation
Make, therefore the terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent, for
For those skilled in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
The present invention provides a kind of explosion-proof vent valves, specifically, being the explosion-proof of an embodiment as depicted in figs. 1 and 2
Air valve, including valve body 200, gland 100, ventilated membrane 500, spring 400 and connector 600.
The valve body 200 has the first connector 201, the second connector 202 and accommodating cavity 230, first connector
201, second connector 202 is connected to the accommodating cavity 230, and the gland 100 connect and is covered on the valve body 200
On first connector 201, the connector 600 connect with the valve body 200 and is covered on second connector 202
The spring 400, the ventilated membrane 500 are all set in the accommodating cavity 230.
Specifically, as shown in Figure 1, Figure 2, Figure 3, Figure 4, the structure of the valve body 200 are as follows: valve body 200 offers the first company
Interface 201, the second connector 202 and accommodating cavity 230, the first connector 201, the second connector 202 are connected to accommodating cavity 230,
Accommodating cavity 230 is connected to by the first connector 201 and the second connector 202 with external, the side wall of first connector 201 to
The protrusion of accommodating cavity 230 forms annular protrusion 240, wherein and the width of the first connector 201 and the second connector 202 is different,
For example, the width of first connector 201 is less than the width of second connector 202, specifically, in one embodiment
In, the valve body 200 includes ring body 210 and connection part 220, and in a ring, the section of connection part 220 is rounded for ring body 210,
Connection part 220 is connect with ring body 210 and the lateral wall of connection part 220 is connect with the ring inner sidewall of ring body 210, is had at one
In the embodiment of body, connection part 220 is set to the edge of the ring inner sidewall of ring body 210, connection part 220 and ring body 210
Between form the accommodating cavity 230, also, articulated connection 220 and the ring body 210 are integrally formed, and connection part 220 offers
The side wall of one through-hole, the through-hole forms annular protrusion 240 to the accommodating cavity 230 protrusion, wherein the through-hole runs through the connection
Socket part 220, the opening on connection part 220 backwards to the one side of annular protrusion 240 is first connector 201, and ring body 210 is separate
Connection part 220 a side ring opening be second connector 202, that is to say, that ring body 210 a side ring opening for this second
Another side ring opening of connector 202, ring body 210 is connected with connection part 220, and the first company is offered on connection part 220
Interface 201, the accommodating cavity 230 formed between ring body 210 and connection part 220 is by being set to the first connector 201 of two sides
It is connected to the second connector 202 with outside.
Further, the annular protrusion 240 being arranged on connection part 220 is used to connect with gland 100 and connector 600,
In, as shown in figures 1 and 3, the gland 100 is rounded, and be provided on gland 100 one for connection boss 110, it is described
Gland 100, which is covered on first connector 201, is set to the boss 110 in the accommodating cavity 230, that is to say, that
The pressure of gland 100 is set to the side that ring body 210 is provided with connection part 220, and the boss 110 of gland 100 is by being inserted in first
It is set to boss 110 in accommodating cavity 230, also, the gland 100 offers gas vent 120, and described
Gas vent 120 runs through the boss 110, so that accommodating cavity 230 is connected to gas vent 120.Wherein, as shown in Figure 1, Figure 2, Fig. 3 and Fig. 5
Shown, the connector 600 is rounded, and a flange 610 is provided on the connector 600, and the flange 610 has one to be used for
The connection holes 620 of connection, the connector 600 are covered on second connector 202 that be set to the flange 610 described
In accommodating cavity 230, specifically, the connector 600 makes the outer ledge of connector 600 by being covered on the first connector 201
It is connected in the sidewall edge of the first opening, and flange 610 is set in accommodating cavity 230, also, the connector 600 opens up
There is an air hole 630, the air hole 630 is connected to the connection holes 620, so that air hole 630 is by connection holes 620 and holds
Set the connection of chamber 230, that is to say, that accommodating cavity 230 is in communication with the outside by the gas vent 120 and air hole 630 of two sides respectively.
Specifically, the connection relationship of spring 400, valve body 200, gland 100 and connector 600 are as follows: connector 600 is covered on
It is set to flange 610 in accommodating cavity 230 on first connector 201, and flange 610 is inserted in 240 inside of annular protrusion, also
It is to say, annular protrusion 240 is sheathed on the outside of the flange 610, and the pressure of gland 100 is set in ring body 210, and boss 110 is inserted
It is set to boss 110 in accommodating cavity 230 on the second connector 202, flange 610 is sheathed on boss by connection holes 620
110 outside is arranged structure by multilayer, so that overall structure is more stable, spring 400 is sheathed on 240 outside of annular protrusion,
For example, the first end of spring 400 is connected to connection part 220, the second end of spring 400 is connected on connector 600, for example, bullet
The first end of spring 400 is connect with connection part 220, and the second end of spring 400 is connect with connector 600, and the spring 400 is for connecting
The structure for compressing integrated explosion proof system vent valve is connect, and has decompression function, prevent battery under high pressure conditions from arranging amount of heat to explosion-proof
Explosion-proof vent valve spalling caused by valve, and gas is quickly discharged, realizes rapidly pressure release.Wherein, it is also set up in accommodating cavity 230
There is ventilated membrane 500, the ventilated membrane 500 is realized for drainage pressure and breathed freely, for example, the ventilated membrane 500 uses dustproof and waterproof
It is made with the expanded PTFE of good permeability, when pressure enhancing in battery generation amount of heat, battery case, air pressure is arranged to valve
Body 200 is simultaneously discharged by ventilated membrane 500, realizes explosion-proof effect by ventilative.Also, expanded PTFE high resilience and
Flexibility, so that the ventilated membrane 500 being made from it is not easy to answer high pressure and rupture, while it is with spies such as frivolous, waterproof and dustproofs
Point allows to completely cut off the impurity such as extraneous dust, aqueous vapor.Wherein, the ventilated membrane 500 is set in the connection holes 620.
It is arranged structure by multilayer, so that structure is more stable, by the way that explosion-proof vent valve is mounted on battery case, what battery case generated
Gas enters from air hole 630, and the external world is finally discharged from gas vent 120 by 500 pressure release of ventilated membrane discharge, realizes that pressure release is anti-
It is quick-fried.
Wherein, further, in one embodiment, as shown in Figures 2 and 3, described in order to realize the sealing of vent valve
It is provided with sealing ring on valve body 200, specifically, the sealing ring is set to the valve body 200 backwards to the one of the gland 100
Face, that is to say, that the sealing ring is set in the one side that valve body 200 is connect with battery case, for example, as shown in figure 4, the valve
Body 200 offers cricoid seal groove 211 in the one side of the gland 100, for example, the ring body 210 is backwards to described
Cricoid seal groove 211 is offered in the one side of gland 100, the sealing ring is set in the seal groove 211.When explosion-proof
Air valve is installed on battery case, and sealing ring is abutted with battery case and valve body 200 respectively, between explosion-proof vent valve and battery case
Realize sealing in gap.In a preferred embodiment, the sealing ring is H-type sealing ring, and the section of the H-type sealing ring is in
H-type, tool can carry out dual-seal to it, so that sealing performance is more preferable, and H-type sealing ring is than O-shaped sealing there are two annular
The frictional force of circle is smaller, so that its degree of wear reduces, improves service life.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. a kind of explosion-proof vent valve, which is characterized in that including valve body, gland, ventilated membrane, spring and connector；
The valve body have the first connector, the second connector and accommodating cavity, first connector, second connector and
The accommodating cavity connection, the gland connect with the valve body and are covered on first connector, the connector and institute
It states valve body connection and is covered on second connector, the spring, the ventilated membrane are all set in the accommodating cavity.
2. explosion-proof vent valve according to claim 1, which is characterized in that a flange is provided on the connector, it is described
Flange has a connection holes, and the connector, which is covered on second connector, makes the flange be set to the accommodating cavity
It is interior, it is provided with a boss on the gland, the gland is covered on first connector that be set to the boss described
In accommodating cavity, and the flange is sheathed on the outside the boss by the connection holes.
3. explosion-proof vent valve according to claim 2, which is characterized in that the connector offers an air hole, described
Air hole is connected to the connection holes.
4. explosion-proof vent valve according to claim 3, which is characterized in that the ventilated membrane is set in the connection holes.
5. explosion-proof vent valve according to claim 2, which is characterized in that the side wall of first connector is to the accommodating
Chamber protrudes to form annular protrusion, and the annular protrusion is sheathed on the flange outer sides.
6. explosion-proof vent valve according to claim 5, which is characterized in that the spring pocket is set to outside the annular protrusion
Side.
7. explosion-proof vent valve according to claim 1, which is characterized in that be provided with sealing ring on the valve body.
8. explosion-proof vent valve according to claim 1, which is characterized in that the sealing ring is H-type sealing ring.
9. explosion-proof vent valve according to claim 1, which is characterized in that the gland offers gas vent, and the row
Stomata runs through the boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910088545.5A CN109659467A (en) | 2019-01-28 | 2019-01-28 | A kind of explosion-proof vent valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910088545.5A CN109659467A (en) | 2019-01-28 | 2019-01-28 | A kind of explosion-proof vent valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109659467A true CN109659467A (en) | 2019-04-19 |
Family
ID=66120887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910088545.5A Pending CN109659467A (en) | 2019-01-28 | 2019-01-28 | A kind of explosion-proof vent valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109659467A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311079A (en) * | 2019-06-28 | 2019-10-08 | 蜂巢能源科技有限公司 | Explosion-proof ventilative membrane module and its explosion-proof vent valve of battery pack |
-
2019
- 2019-01-28 CN CN201910088545.5A patent/CN109659467A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311079A (en) * | 2019-06-28 | 2019-10-08 | 蜂巢能源科技有限公司 | Explosion-proof ventilative membrane module and its explosion-proof vent valve of battery pack |
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