CN106594339A - Dynamic sealing structure applied to balance breather valve - Google Patents
Dynamic sealing structure applied to balance breather valve Download PDFInfo
- Publication number
- CN106594339A CN106594339A CN201611209286.XA CN201611209286A CN106594339A CN 106594339 A CN106594339 A CN 106594339A CN 201611209286 A CN201611209286 A CN 201611209286A CN 106594339 A CN106594339 A CN 106594339A
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- Prior art keywords
- seal
- movable part
- vent valve
- balance
- waterproof ventilated
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- 238000007789 sealing Methods 0.000 title claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 239000012528 membrane Substances 0.000 claims description 73
- 230000000994 depressogenic effect Effects 0.000 claims description 29
- 239000000696 magnetic material Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims 1
- 238000009738 saturating Methods 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004804 winding Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 240000007643 Phytolacca americana Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/14—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side with fracturing member
- F16K17/16—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side with fracturing member with fracturing diaphragm ; Rupture discs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
- F16K24/04—Devices, e.g. valves, for venting or aerating enclosures for venting only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The invention discloses a dynamic sealing structure applied to a balance breather valve. The dynamic sealing structure comprises a first sealing body, a second sealing body and a driving mechanism; the first sealing body is arranged on the side wall of a first water-resistible and breathable film at the bottom of the balance breather valve in a sealed and winding manner; the second sealing body and the first sealing body are oppositely arranged and define a first cavity, and the first water-resistible and breathable film is located in the first cavity; and the driving mechanism is used for driving the second sealing body to move in the direction being close to or far away from the first sealing body, so that the second sealing body is in sealed fit with the first sealing body or breaks away from the first sealing body. When the balance breather valve with the sealing structure is installed on the installation face of a box, abnormal working conditions occur, and the humidity of external air is higher than or lower than the humidity of the interior of the box, the driving mechanism drives the second sealing body to move to the first sealing body and is in sealed fit with the first sealing body, the first water-resistible and breathable film is sealed into the first cavity, and components in the box can run under the needed constant humidity conditions.
Description
Technical field
The present invention relates to balance the technical field of vent valve, and in particular to it is a kind of be applied to balance vent valve in it is dynamic close
Seal structure.
Background technology
Balance vent valve can be applicable on batteries of electric automobile pack casings, or high voltage control box body, or some are right
On the higher seal case of air pressure or humidity requirement.Especially in new-energy automobile parts pack battery bags, vent valve is balanced
On the mounting surface of battery bag product, when the vent valve is to prevent installation casing internal pressure from changing, interior exogenous QI can be balanced
Weighing apparatus is flattened, and when internally air pressure steeply rises, releasable internal pressure；Meanwhile, the vent valve is played installation casing
The internal function with extraneous seal isolation.
The structure of existing balance vent valve balances vent valve as disclosed in Chinese patent literature CN106090365A mostly,
It mainly includes housing, raised on case top surface, and ventilated membrane is arranged on bottom, and passage is opened up in main body, and is leading
Projection is formed on body bottom, the cutting tip of projection is towards ventilated membrane.The balance vent valve of this structure is arranged on Battery case
On opening, under nominal situation, ventilated membrane isolates main body with the inner sealing of casing, when unusual service condition is in casing, meeting
Produce huge pressure to order about ventilated membrane towards the bending of bottom part body direction, now projection breaks ventilative membrane puncture, in casing
High pressure wear long thorn after passage outwardly discharge, so as to prevent explosion phenomenon in casing, play explosion-proof effect.
But, the balance vent valve of said structure when in use, opens up installing hole on the mounting surface of casing, vent valve it is convex
Rise through mounting hole site in the external world, housing is located in casing, box house is isolated from the outside by waterproof ventilated membrane, can be used
After a period of time, the sealing property of waterproof ventilated membrane will certainly be reduced, and waterproof ventilated membrane can not be kept completely separate the water in the external world
Steam enters box house, and the humidity in casing can not keep steady state, especially when extraneous humidity is higher than in casing
Humidity when, extraneous vapor can pass through the gap at the edge of waterproof ventilated membrane enter box house, change humidity in casing,
Affect the normal operating conditions of casing interior element.For example, the battery system in Battery case cannot normally run.
The content of the invention
Therefore, the technical problem to be solved in the present invention is to overcome the sealing of balance vent valve of the prior art poor,
Humidity steady state, the problem for causing the element in casing normally to run cannot be in guard box body.
For this purpose, the present invention provides a kind of dynamic seal structure being applied in balance vent valve, including
First seal, seals around being located on the side wall of the first waterproof ventilated membrane of balance vent valve bottom；
Second seal, is oppositely arranged and surrounds the first cavity, first waterproof ventilated membrane with first seal
In first cavity；
Drive mechanism, for driving second seal to move towards or away from the first seal direction, so that
Second seal coordinates or departs from first seal with first seal sealing.
Preferably, above-mentioned to be applied to balance the dynamic seal structure in vent valve, the drive mechanism sealing is around being located at
On the side wall of first waterproof ventilated membrane, first seal is by the drive mechanism around being located at first seal
Side wall on；
Also include being arranged on the movable part below drive mechanism, second seal is fixed on the movable part
On top surface；The driving structure drives the movable part to drive the second seal motion；The drive mechanism with
First seal, the second seal and the movable part surround first cavity.
It is further preferred that the above-mentioned dynamic seal structure being applied in balance vent valve, the movable part employing
Magnetic material is made；The drive mechanism includes sealing around the supporter being located on the first waterproof ventilated membrane side wall, and
The coil being wrapped in the supporter outside wall surface, after to the coil electricity, produces and drives the movable part vertically
The electromagnetic force of motion；First waterproof ventilated membrane stretches into the support in vivo, and first seal is fixed on the support
On body bottom.
More preferably preferably, the above-mentioned dynamic seal structure being applied in balance vent valve, the top tool of the supporter
Have and be suitable to the embedded depressed part of first waterproof ventilated membrane, open up first waterproof ventilated membrane and institute on the depressed part
State the second channel of the first cavity connection；First seal is arranged in the lower surface of the depressed part.
Preferably, the above-mentioned dynamic seal structure being applied in balance vent valve, in the lower surface of the depressed part
With the first outer for horizontally outward extending, first seal is fixed on the bottom of first outer；The depression
With the first opening, first opening is used as the second channel for the bottom in portion；The coil is set in the depressed part
In outside wall surface and it is overlapped on first outer.
It is further preferred that above-mentioned be applied to balance the dynamic seal structure in vent valve, first seal is
The first groove being opened in the depressed part lower surface, second seal is molded on the movable part for protrusion
Can seal the first elastic sealed body snapped in first groove；Or
First seal is the second elastic sealed body for being molded in the depressed part lower surface of protrusion, described the
Two seals are the second groove that be opened on the movable part and can closely be snapped in by second elastic sealed body.
Preferably, the above-mentioned dynamic seal structure being applied in balance vent valve, also including resetting-mechanism, for supporting
The movable part and the driving movable part are directed away from the first seal direction motion.
It is further preferred that above-mentioned be applied to balance the dynamic seal structure in vent valve, the resetting-mechanism includes
At least one fixture being arranged on below the movable part, and be arranged between the fixture and the movable part
Elastomeric element；The elastomeric element can to the movable part to apply to be directed away from the drawing in the first seal direction
Power.
Preferably, the above-mentioned dynamic seal structure being applied in balance vent valve, also including guide frame, for guiding
The movable part vertically moves along a straight line.
It is further preferred that the above-mentioned dynamic seal structure being applied in balance vent valve, also includes being opened with top
The housing of mouth and inner chamber, the drive mechanism sealing is fixed in the open top of the housing, first waterproof ventilated membrane
Open top described in Jing is stretched in first cavity；The edge of the movable part has towards inner walls face level
At least three extensions for extending；
The guide frame is to be opened in corresponding with the extension and vertically extending on the inner walls face
Gathering sill；The extension is stretched in the gathering sill, and the fixture is fixed on correspondingly the bottom of the gathering sill
In portion, the elastomeric element is located in the gathering sill.
Preferably, it is above-mentioned to be applied to balance the dynamic seal structure in vent valve, the movable part positioned at described
First through hole, the surface that homonymy is located at second seal of the first through hole are opened up at the internal position of second sealing
On be fixed with by the first through hole seal the second waterproof ventilated membrane；Second puncture portion is set on the bottom of the drive mechanism
Part, the spine of second lancet and means is rectified to second waterproof ventilated membrane and the shape between second waterproof ventilated membrane
Into preset clearance.
Preferably, the above-mentioned dynamic seal structure being applied in balance vent valve, also including first for being in communication with the outside
Humidity sensor, the second humidity sensor being fixed on the movable part bottom, and controller, the controller according to
The detection data of first moisture detector and second moisture detector, controls unlatching or the pass of the drive mechanism
Close.
Preferably, it is above-mentioned to be applied to balance the dynamic seal structure in vent valve, first groove and/or described the
Two grooves are cannelure, and first elastic sealed body and/or the second elastic sealed body are elastic seal ring；And/or
The movable part is plate.
Technical solution of the present invention, has the advantage that：
1. what the present invention was provided be applied to balances the dynamic seal structure in vent valve, including the first seal, second close
Envelope body and drive mechanism, the first seal is sealed around being located on the side wall of the first waterproof ventilated membrane of balance vent valve bottom；
Second seal is oppositely arranged and surrounds the first cavity with first seal, and first waterproof ventilated membrane is located at described the
In one cavity；Drive mechanism is used to drive second seal to move towards or away from the first seal direction, so that
Second seal coordinates or departs from first seal with first seal sealing.
The dynamic seal structure of this structure, the dynamic seal structure of this structure is arranged on balance vent valve, then should
Balance vent valve is arranged on the mounting surface of casing, and dynamic structure is located in casing, and the first seal is formed with the second seal
The first cavity the first waterproof ventilated membrane is surrounded, under normal working condition, the humidity of extraneous humidity and box house
Quite, now the second seal departs from the first seal, and the first waterproof ventilated membrane is connected with box house；When there is unusual service condition
When, the humidity of outside air more than or less than box house humidity when, open drive mechanism so that the second seal is towards the
One seal is moved, and is coordinated with the sealing of the first seal, the first waterproof ventilated membrane is sealed in the first cavity so that first
Waterproof ventilated membrane is isolated with box house, and the vapor of extraneous high humility would not be entered in casing, or the gas of cabinets cavity
Body will not be arranged outwardly to change the humidity in casing so that the part in casing can be under required constant damp condition
Run to improve the sealing property of balance vent valve；After unusual service condition is eliminated, drive mechanism drives again the second seal direction
Away from the motion of the first seal direction so that the second seal departs from the first seal and resets to the state of starting.
2. what the present invention was provided is applied to balance the dynamic seal structure in vent valve, and the movable part adopts magnetic material
Material is made；The drive mechanism includes sealing around the supporter being located on the first waterproof ventilated membrane side wall, and is wrapped in
Coil in the supporter outside wall surface, after to the coil electricity, produces and drives what the movable part was vertically moved
Electromagnetic force；First waterproof ventilated membrane stretches into the support in vivo, and first seal is fixed on the supporter bottom
On.The magnetic field produced using hot-wire coil, applies electromagnetic force, to drive movable part band to movable part made by magnetic material
Dynamic second seal is moved towards or away from the first seal direction, is easy to control being turned on and off for drive mechanism.
3. what the present invention was provided is applied to balance the dynamic seal structure in vent valve, also including resetting-mechanism, for propping up
Support the movable part and drive the movable part to be directed away from the first seal direction motion.When need not be by second
When seal and the sealing of the first seal coordinate, when to the logical reversely electricity of coil or no power, in the active force of resetting-mechanism,
Second seal remains able to be directed away from the motion of the first seal direction, resets to initial state, further accelerates the
The reseting procedure of two seals.
4. what the present invention was provided is applied to balance the dynamic seal structure in vent valve, also including guide frame, for drawing
Lead the movable part vertically to move along a straight line so that the second seal just seals cooperation on the first seal, prevents
Occurs position deviation in motor process.
5. the present invention provide be applied to balance vent valve in dynamic seal structure, the movable part positioned at described
First through hole, the surface that homonymy is located at second seal of the first through hole are opened up at the internal position of second sealing
On be fixed with by the first through hole seal the second waterproof ventilated membrane；Second puncture portion is set on the bottom of the drive mechanism
Part, the spine of second lancet and means is rectified to second waterproof ventilated membrane and the shape between second waterproof ventilated membrane
Into preset clearance.The setting of the second waterproof ventilated membrane and the second lancet and means, prevents product in abnormal conditions, casing in casing
The huge air pressure of life, needs to discharge this air pressure, and the second lancet and means do the second waterproof ventilated membrane on movable part
Broken, air pressure is entered in the first cavity and the first lancet and means with balanced valve sheet are by the first waterproof and breathable on its bottom
Film is worn out, so as to the air pressure in casing be discharged so that box house is identical with the air pressure in the external world.
Description of the drawings
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to concrete
The accompanying drawing to be used needed for embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is that the structure of the dynamic seal structure being applied in balance vent valve provided in the embodiment of the present invention 1 is shown
It is intended to；
Fig. 2 is that the longitudinal direction of the dynamic seal structure being applied in balance vent valve provided in the embodiment of the present invention 1 is cutd open
Face schematic diagram；
Fig. 3 is assemblied in flat for the dynamic seal structure for being applied to balance in vent valve provided in the embodiment of the present invention 1
Longitudinal profile schematic diagram on weighing apparatus vent valve (housing of dynamic seal structure is molded on the ventilative valve housing of balance)；
The structural representation (looking up direction) of the housing of the dynamic seal structure in Fig. 4 Fig. 3；
Fig. 5 is that being applied to provided in the embodiment of the present invention 1 balances supporter in the dynamic seal structure in vent valve
Structural representation (overlook direction)；
Fig. 6 is that being applied to provided in the embodiment of the present invention 1 balances movable part in the dynamic seal structure in vent valve
Part and resetting-mechanism, the assembling schematic diagram of the second waterproof ventilated membrane；
Fig. 7 is that being applied to provided in the embodiment of the present invention 1 balances movable part in the dynamic seal structure in vent valve
The assembling schematic diagram (removing the second waterproof ventilated membrane) of part and resetting-mechanism；
Fig. 8 is that being applied to provided in the embodiment of the present invention 1 balances supporter in the dynamic seal structure in vent valve
Structural representation (looking up direction)；
Description of reference numerals：1- housings；11- gathering sills；The waterproof ventilated membranes of 2- first；3- drive mechanisms；31- supporters；
311- depressed parts；The outers of 312- first；The outers of 313- second；32- coils；33- supports；The seals of 4- first；5- second is sealed
Body；6- movable parts；61- extensions；62- first through hole；The waterproof ventilated membranes of 63- second；The lancet and means of 64- second；7- first
Cavity；8- fixtures；9- elastomeric elements；The moisture detectors of 101- first；The moisture detectors of 102- second.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described enforcement
Example is a part of embodiment of the invention, rather than the embodiment of whole.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, " vertical ", " level ",
The orientation or position relationship of the instructions such as " interior ", " outward " is, based on orientation shown in the drawings or position relationship, to be for only for ease of and retouch
State the present invention and simplify description, rather than indicate or imply that the device or element of indication must be with specific orientation, with specific
Azimuth configuration and operation, therefore be not considered as limiting the invention.Additionally, term " first ", " second ", " the 3rd " are only
For descriptive purposes, and it is not intended that indicating or implying relative importance.For the ordinary skill in the art, may be used
Above-mentioned term concrete meaning in the present invention is understood with concrete condition.
As long as additionally, technical characteristic involved in invention described below different embodiments non-structure each other
Just can be combined with each other into conflict.
Embodiment 1
The present embodiment provides a kind of dynamic seal structure being applied in balance vent valve, as shown in Figure 1, Figure 2 and Figure 3,
Including housing 1, the first seal 4, the second seal 5, movable part 6, drive mechanism 3, the first moisture detector 101, second
Moisture detector 102, resetting-mechanism, guide frame and controller.
Housing 1 has open top and inner chamber.As shown in Fig. 2 drive mechanism 3 includes supporter 31 and coil 32, support
The sealing of body 31 is fixed on the open-topped inner surface of housing 1 and around being located on the side wall of the first waterproof ventilated membrane 2, supporter 31
Top has and is suitable to the embedded depressed part 311 of the first waterproof ventilated membrane 2, that is, the top of the Jing housings 1 of the first waterproof ventilated membrane 2
Opening is stretched in depressed part 311, and the bottom of depressed part 311 is with the first opening, the lower surface and top surface of depressed part 311
Upper to have the first outer 312 and the second outer 313 for horizontally outward extending respectively, the sealing of the second outer 313 is fixed on housing 1 and pushes up
On portion's inner surface, the first seal 4 is fixed on the bottom of the first outer 312；Coil 32 is set in the outside wall surface of depressed part 311
Above and between the first outer 312 and the second outer 313, bottom is overlapped on the first outer 312.
As shown in Fig. 2 the first seal 4 is the first groove being opened on the bottom of the first outer 312, it is preferably annular
Groove.
As shown in Fig. 2, Fig. 6 and Fig. 7, movable part 6 is preferably plate, and is made using magnetic material, for example magnet steel or
Magnet, plate is arranged in housing 1 and is located at the lower section of drive mechanism 3, and the second seal 5 is fixed on the top surface of plate
On.As shown in fig. 6, plate is arranged in housing 1 by resetting-mechanism, resetting-mechanism is solid including four be arranged on below plate
Determine part 8 and four elastomeric elements 9, fixture 8 is preferably fixed plate, and elastomeric element 9 is preferably spring, and spring is arranged on fixed plate
Between plate, spring can apply to be directed away from the pulling force in the direction of the first seal 4 to movable part 6, be easy to the second sealing
Body 5 departs from from the first seal 4, resets to initial state.
The edge of plate has towards four horizontal-extending extensions 61 of the internal face of housing 1, it is preferable that four extensions
61 are evenly distributed on plate；Accordingly, above-mentioned guide frame be opened on the internal face of housing 1 with extension 61 one by one
Correspondence and vertically extending gathering sill 11, extension 61 is respectively protruding in a gathering sill 11, and elastomeric element 9 is located at gathering sill 11
Interior, when hot-wire coil 32 applies the electromagnetic force of vertical motion to plate, gathering sill 11 can guide plate vertically to do straight line
Motion, is easy to the second seal 5 just to snapping in the first seal 4.
As shown in fig. 6, the second seal 5 is molded over can seal on plate top surface and snaps in the first groove for protrusion
The first interior elastic sealed body, such as elastic seal ring.Above-mentioned supporter 31, the first groove, the first elastic sealed body and
The first cavity 7 is surrounded between plate, the first waterproof ventilated membrane 2 is located in the first cavity 7.
In addition, as shown in Fig. 6, Fig. 7 and Fig. 8, movable part 6 opens up first at the position in the second seal 5
Through hole 62, being located on the surface of homonymy with the second seal 5 for first through hole 62 is fixed with seal first through hole 62 second
Waterproof ventilated membrane 63；Accordingly, support 33, such as cross frame 33, cross frame 33 are set on the bottom opening of depressed part 311
The bottom opening of depressed part 311 is divided into into four second channels, in the bottom of the crossover location of cross frame 33 second is arranged
Lancet and means 64, such as it is raised, the spine end of the second lancet and means 64 towards the second waterproof ventilated membrane 63, and with the second waterproof
Gap needed for reserving between ventilated membrane 63.Additionally, a dividing plate with passage is formed in the lower surface of first through hole 62,
Prevent the part in casing from stretching in the through hole, damage the second waterproof ventilated membrane 63.
First moisture detector 101 is arranged on the external world, for detecting external environment in gas humidity, the second Humidity Detection
Device 102 is arranged on the bottom of movable part 6, for example, connect by gluing, for the humidity of gas in detection case body；Controller root
According to the first moisture detector 101 and the detection data of the second moisture detector 102, being turned on and off for drive mechanism 3 is controlled.Separately
Outward, the fairlead passed through for the wire seal of the first moisture detector 101 is also opened up on housing 1, electric wire passes through fairlead again
In the through wires hole opened up into the side wall of the inner chamber of housing 1；Meanwhile, the electric wire of the second moisture detector 102 is also located in through wires hole
Interior, final two electric wires are installed in the inside of casing.First moisture detector 101 and the second moisture detector 102 are adopted
Existing humidity sensor.
The dynamic seal structure of this embodiment is arranged on balance vent valve, then balance vent valve is arranged on into casing
On mounting surface, dynamic seal structure is located at the inside of casing, when the first humidity sensor detects extraneous humidity for X1, second
It is X2 that humidity sensor detects the humidity of box house, and the humidity of ambient atmos is Δ X=with the psychrometric difference of gas in casing
X1-X2.Under normal condition, the second seal 5 is in away from the first seal 4, the first waterproof ventilated membrane 2 with box house
Connected state, now Δ X is in preset value；When the X1 in external environment changes, when Δ X is higher or lower than preset value, control
Device controls to be powered to the coil 32 in drive mechanism 3 according to this information, and the coil 32 after energization produces electromagnetic force, with driving plate
Block drives the first elastic dense body thereon to move towards the first groove direction, and the extension 61 of plate is transported upwards in gathering sill
Dynamic, spring is stretched and storage energy so that the sealing of the first elastic sealed body is snapped in and seals the first cavity 7 in the first groove,
Realize being in isolation between the first waterproof ventilated membrane 2 and box house, it is possible to stop that extraneous vapor enters casing
Inside, or the vapor of box house flows to the external world through the first waterproof ventilated membrane 2, so that the humidity of case internal milieu
It is always held at steady state, it is ensured that the element in casing can normally run.When Δ X reaches again preset value, and it is in
During steady statue, controller controls to the logical reversely electricity of coil 32 or stops being powered, and coil 32 applies direction to the second seal 5
Power away from the direction of the first seal 4 to the second seal 5 does not produce electromagnetic force, under the reset response of extension spring,
Spring releases energy, to drive the second seal 5 to be directed away from the motion of the direction of the first seal 4 so that the second seal 5 resets
To initial state, spring is again at the compressive state of starting, to complete to be adjusted according to humidity the dynamic of balance vent valve
Seal process.
In addition, when there are other abnormal accidents in casing, huge pressure is produced in casing, air pressure is on dividing plate
Passage apply outside active force to the second waterproof ventilated membrane 63 so that the second waterproof ventilated membrane 63 is towards the second lancet and means
64 directions bend, and the second lancet and means 64 just wear out the second waterproof ventilated membrane 63, no matter now the second seal 5 is close with first
In separation or sealing state, air pressure is entered in the first cavity 7 and applies outside active force to the first waterproof ventilated membrane 2 envelope body 4,
So that the first lancet and means in balance vent valve poke the first waterproof ventilated membrane 2, it becomes possible to which the high pressure in casing is released
Run out so that the air pressure in casing is consistent with the air pressure in the external world, prevent explosion phenomenon in casing.
As deformation, can also be without arranging above-mentioned controller, by the unlatching or the pass that manually control drive mechanism 3
Close.Second humidity sensor can also be without being arranged on movable part 6, be set directly in casing.It is above-mentioned as deformation
Dynamic seal structure can also be without arranging above-mentioned the first moisture detector 101 and the second moisture detector 102, two humidity
Detector is individually bought in use or is configured as single part.
Used as deformation, the second puncture portion is except for bulge-structure, can also being cutter structure, or the knot of shears shape
Structure.As further deformation, can also be without not set in the second waterproof ventilated membrane 63 of setting and drive mechanism 3 on movable part 6
The second lancet and means 64 are put, first through hole 62 is not opened up on movable part 6 yet, when needing to discharge the air pressure in casing, only needed
Movable part 6 away from the first seal 4, between the air pressure in casing also can be between movable part 6 and the internal face of housing 1
Gap is entered in the first cavity 7, then through the row of the first waterproof ventilated membrane 2 outwardly.
Used as deformation, the extension 61 that the edge of movable part 6 is arranged can also be three, five, six etc., only need
At least provided with three, movable part 6 is smoothly arranged in housing 1, accordingly, gathering sill 11, elastomeric element 9 and
The number of fixture 8 is three, five, six etc..As the deformation of guide frame, above-mentioned housing 1 can be not provided with,
Guide frame can also be other structures, such as vertically arranged slide rail, the side wall of movable part 6 arranges slide block, and slide block slides
Arrange in orbit, vertically moved along a straight line with boot activity part 6.As further deformation, can also be without arranging
The guide frame stated, only needs the cooperation of fixed plate and elastomeric element 9, and movable part 6 is arranged on into the lower section of driving structure.
Used as further deformation, above-mentioned fixture 8 can also be other supporting constructions in addition to for fixed plate, example
Such as boss.Used as the deformation of elastomeric element 9, elastomeric element 9 can also be other elastic constructions in addition to for spring, only need
Can apply to be directed away from the pulling force in the direction of the first seal 4 to movable part 6.As further deformation, reset machine
Structure can also be other structures, be only needed for supporting movable part 6 and drive movable part 6 to be directed away from the side of the first seal 4
To motion, the second seal 5 is separated with the first seal 4.For example, the Magnet of the lower section of movable part 6 is arranged on, when individual
When the logical reversely electricity of coil 32 or no power, Magnet can apply absorption affinity to the movable part 6 of magnetic material, so as to by second
Seal 5 is pulled to away from the motion of the direction of the first seal 4, realizes the function of resetting.As further deformation, can also be without setting
Above-mentioned resetting-mechanism is put, just by driving the second seal 5 towards or away from first to the logical electricity forward or backwards of coil 32
Move in the direction of seal 4.
Used as the deformation of movable part 6, above-mentioned movable part 6 only needs it except being other structures for plate
Second seal 5 is set on top surface, with the first seal 4, the second seal 5 and drive mechanism 3 the first cavity 7 is surrounded
.
Used as the deformation of the first groove, the above-mentioned shape of the first groove can also be with the shape of the first elastic sealed body
Other shapes, such as oval, square or polygon etc., only need the two to be engaged, and can play sealing function.
Used as the deformation of the first seal 4 and the second seal 5, the first seal 4 is molded over the bottom of depressed part 311 for protrusion
The second elastic sealed body on portion surface, the second seal 5 is to be opened on movable part 6 and can be by the second elastic sealed body
The second groove for closely snapping in.
Used as further deformation, above-mentioned the first seal 4 and the second seal 5 can be with existing other sealings
Body, such as the first seal 4 are Ring like suction disc, and the second seal 5 is can to adsorb the elastomer in Ring like suction disc, so that
First seal 4 coordinates or comes off with the sealing of the second seal 5.Or, using existing air extraction structure, form the absorption of negative pressure
Relation is forming above-mentioned sealing structure.
Used as the deformation of depressed part 311, the top of depressed part 311 can also be without arranging the second outer 313, directly will depression
The top surface in portion 311 is fixed on the top inner wall face of housing 1 so that depressed part 311 is centered around around the first waterproof ventilated membrane 2
.Further deformation, depressed part 311 can also be without arranging the first outer 312, and now, the bottom of depressed part 311 is not standard-sized sheet
The first opening, but open up the second channel for connecting the first waterproof ventilated membrane 2 with the first cavity 7, the first seal 4 is direct
It is fixed on the bottom of depressed part 311.Or, further deformation, supporter 31 can also be other structures, and such as one is opened
If the gripper shoe or sleeve of through hole, gripper shoe sealing is set on the first waterproof ventilated membrane 2, and the first seal 4 is fixed on support
On the bottom of body 31, the first cavity 7 is surrounded between gripper shoe and the first seal 4, the second seal 5 and movable part 6, the
One waterproof ventilated membrane 2 is located in the first cavity 7.
Used as the deformation of drive mechanism 3, drive mechanism 3 may be used also in addition to producing electromagnetic force using above-mentioned hot-wire coil 32
Think other driving structures, such as motor or cylinder, the telescopic shaft of motor or the drive shaft of cylinder are connected to movable part 6,
And then to drive movable part 6 to move towards or away from the direction of the first seal 4, now motor or cylinder seal winding is fixed on
On the side wall of the first waterproof ventilated membrane 2, the first seal 4 is fixed on the housing 1 of motor or cylinder, drive mechanism 3 and first
Seal 4, the second seal 5 and movable part 6 surround the first above-mentioned cavity 7.Now, movable part 6 can not be adopted
Magnetic material is made, and can be made using other materials.
Used as further deformation, dynamic seal structure can also be without arranging above-mentioned movable part 6, only need to arrange above-mentioned
Drive mechanism 3, the first seal 4 and the second seal 5.Now, the first seal 4 is sealed around being located at balance vent valve bottom
On the side wall of first waterproof ventilated membrane 2 in portion；Second seal 5 and the first seal 4 are oppositely arranged and surround the first cavity 7,
First waterproof ventilated membrane 2 is located in the first cavity 7；Drive mechanism 3 drives the second seal 5 towards or away from the first seal 4
Direction is moved, so that the second seal 5 and the sealing of the first seal 4 coordinate or depart from the first seal 4, so as to realize to first
Isolating between waterproof ventilated membrane 2 and box house or connection.
Obviously, above-described embodiment is only intended to clearly illustrate example, and not to the restriction of embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (11)
1. it is a kind of to be applied to balance the dynamic seal structure in vent valve, it is characterised in that to include
First seal (4), seals around being located on the side wall of first waterproof ventilated membrane (2) of balance vent valve bottom；
Second seal (5), is oppositely arranged and surrounds the first cavity (7) with first seal (4), and first waterproof is saturating
Air film (2) is in first cavity (7)；
Drive mechanism (3), for driving second seal (5) to move towards or away from the first seal (4) direction,
So that second seal (5) coordinates or departs from first seal (4) with first seal (4) sealing.
It is 2. according to claim 1 to be applied to balance the dynamic seal structure in vent valve, it is characterised in that：
The drive mechanism (3) sealing around being located on the side wall of first waterproof ventilated membrane (2), first seal (4)
By the drive mechanism (3) around being located on the side wall of first seal (4)；
Also include being arranged on the movable part (6) below drive mechanism (3), second seal (5) is fixed on the activity
On the top surface of part (6)；The driving structure drives the movable part (6) to drive the second seal (5) motion；
The drive mechanism (3) surrounds institute with first seal (4), the second seal (5) and the movable part (6)
State the first cavity (7).
It is 3. according to claim 2 to be applied to balance the dynamic seal structure in vent valve, it is characterised in that：The activity
Part (6) is made using magnetic material；
The drive mechanism (3) including sealing around the supporter (31) being located on the wall of the first waterproof ventilated membrane (2) side, and
The coil (32) being wrapped in the supporter (31) outside wall surface, after being powered to the coil (32), produces and drives the work
The electromagnetic force that dynamic component (6) is vertically moved；
First waterproof ventilated membrane (2) is stretched in the supporter (31), and first seal (4) is fixed on the support
On body (31) bottom.
It is 4. according to claim 3 to be applied to balance the dynamic seal structure in vent valve, it is characterised in that：
The top of the supporter (31) depressed part (311) embedded with first waterproof ventilated membrane (2) is suitable to, it is described recessed
The second channel for connecting first waterproof ventilated membrane (2) with first cavity (7) is opened up on sunken portion (311)；
First seal (4) is arranged in the lower surface of the depressed part (311).
It is 5. according to claim 4 to be applied to balance the dynamic seal structure in vent valve, it is characterised in that：
There is the first outer (312) for horizontally outward extending, first seal in the lower surface of the depressed part (311)
(4) it is fixed on the bottom of first outer (312)；
With the first opening, first opening is used as the second channel for the bottom of the depressed part (311)；The coil
(32) it is set in the outside wall surface of the depressed part (311) and is overlapped on first outer (312).
6. being applied to according to claim 4 or 5 balances the dynamic seal structure in vent valve, it is characterised in that：
First seal (4) is the first groove for being opened in the depressed part (311) lower surface, second sealing
Body (5) is molded over can seal on the movable part (6) and snaps in the first elastic packing in first groove for protrusion
Body；Or
First seal (4) is molded over the second elastic sealed body in the depressed part (311) lower surface, institute for protrusion
State the second seal (5) to be opened on the movable part (6) and can closely be snapped in by second elastic sealed body
Second groove.
7. being applied to according to any one of claim 2-6 balances the dynamic seal structure in vent valve, and its feature exists
In：Also include resetting-mechanism, for supporting the movable part (6) and the driving movable part (6) to be directed away from described the
Move in one seal (4) direction.
It is 8. according to claim 7 to be applied to balance the dynamic seal structure in vent valve, it is characterised in that：
The resetting-mechanism includes being arranged at least one fixture (8) below the movable part (6), and is arranged on institute
State the elastomeric element (9) between fixture (8) and the movable part (6)；The elastomeric element (9) can give the movable part
Part (6) applies the pulling force for being directed away from the first seal (4) direction.
9. being applied to according to any one of claim 2-8 balances the dynamic seal structure in vent valve, and its feature exists
In：Also include guide frame, for guiding the movable part (6) vertically to move along a straight line.
It is 10. according to claim 9 to be applied to balance the dynamic seal structure in vent valve, it is characterised in that：Also include
Housing (1) with open top and inner chamber, drive mechanism (3) sealing is fixed in the open top of the housing (1),
Open top described in first waterproof ventilated membrane (2) Jing is stretched in first cavity (7)；
The edge of the movable part (6) has towards at least three horizontal-extending extensions of the housing (1) internal face
(61)；
The guide frame is to be opened in corresponding with the extension (61) and vertically prolonging on the housing (1) internal face
The gathering sill (11) stretched；The extension (61) is stretched in the gathering sill (11), and the fixture (8) is fixed correspondingly
On the bottom of the gathering sill (11).
11. being applied to according to any one of claim 2-10 balance the dynamic seal structure in vent valve, its feature
It is：
The movable part (6) opens up first through hole (62) at the position in second seal (5), and described first
Through hole (62) is fixed with seal the first through hole (62) the with second seal (5) on the surface of homonymy
Two waterproof ventilated membranes (63)；
Second lancet and means (64), the spine end of second lancet and means (64) are set on the bottom of the drive mechanism (3)
Preset clearance is formed just to second waterproof ventilated membrane (63) and between second waterproof ventilated membrane (63)；And/or
Also include the first humidity sensor being in communication with the outside, the second humidity being fixed on the movable part (6) bottom is passed
Sensor, and controller, the controller is according to first moisture detector (101) and second moisture detector
(102) detection data, controls being turned on and off for drive mechanism (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611209286.XA CN106594339B (en) | 2016-12-23 | 2016-12-23 | A kind of dynamic seal structure applied in balance vent valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611209286.XA CN106594339B (en) | 2016-12-23 | 2016-12-23 | A kind of dynamic seal structure applied in balance vent valve |
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| CN106594339A true CN106594339A (en) | 2017-04-26 |
| CN106594339B CN106594339B (en) | 2019-05-17 |
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| CN201611209286.XA Active CN106594339B (en) | 2016-12-23 | 2016-12-23 | A kind of dynamic seal structure applied in balance vent valve |
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| CN107394086A (en) * | 2017-06-07 | 2017-11-24 | 惠州市沃瑞科技有限公司 | A kind of explosion-proof balanced valve applied on battery core module |
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|---|---|
| CN106594339B (en) | 2019-05-17 |
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Address after: 215129 West of Building 28, No. 2, Mount Taishan Road, Suzhou High tech Zone, Suzhou, Jiangsu Province Patentee after: Suzhou Jingkong Energy Technology Co.,Ltd. Address before: Room 102, Building 12, Suzhou High tech Software Park, No. 78 Keling Road, High tech Zone, Suzhou City, Jiangsu Province, 215011 Patentee before: SUZHOU JK ENERGY Ltd. |
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