CN107061816A - One kind balance vent valve - Google Patents
One kind balance vent valve Download PDFInfo
- Publication number
- CN107061816A CN107061816A CN201611208299.5A CN201611208299A CN107061816A CN 107061816 A CN107061816 A CN 107061816A CN 201611208299 A CN201611208299 A CN 201611208299A CN 107061816 A CN107061816 A CN 107061816A
- Authority
- CN
- China
- Prior art keywords
- seal
- housing
- vent valve
- ventilated membrane
- waterproof ventilated
- 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.)
- Granted
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- 239000012528 membrane Substances 0.000 claims abstract description 82
- 238000007789 sealing Methods 0.000 claims abstract description 79
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 230000000994 depressogenic effect Effects 0.000 claims description 33
- 238000012856 packing Methods 0.000 claims description 30
- 230000001681 protective effect Effects 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 6
- 239000000696 magnetic material Substances 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 240000007643 Phytolacca americana Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000000926 separation method Methods 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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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
-
- 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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- 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
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The present invention discloses a kind of balance vent valve, including housing, the first waterproof ventilated membrane and dynamic seal structure.There is protuberance on case top surface；First waterproof ventilated membrane is fixed on the bottom of protuberance, and dynamic seal structure is used to the first waterproof ventilated membrane is isolated or connected with the bore seal of housing；It includes drive mechanism, is sealingly disposed on housing and is centered around the first seal of the first waterproof ventilated membrane side wall, the second seal being vertically oppositely arranged with the first seal；First waterproof ventilated membrane is located in the cavity that the first seal and the second seal are surrounded, and drive mechanism drives the second seal to be moved towards or away from the first seal direction, seals the second seal and the first seal and coordinates or depart from the first seal.When there is unusual service condition, the first seal and the second seal are sealed, and prevent extraneous vapor from entering in casing so that the part in casing can be run under constant humidity, improve the sealing property of balance vent valve.
Description
Technical field
The present invention relates to the technical field of valve, and in particular to one kind balance vent valve.
Background technology
Balance vent valve can be applied on batteries of electric automobile pack casings, either high voltage control box body or some are right
On air pressure or the higher seal case of humidity requirement.Especially in new-energy automobile parts pack battery bags, vent valve is balanced
On the mounting surface of battery bag product, the vent valve is when preventing that installation casing internal pressure from changing, can to balance interior outer gas
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 setting on projection, bottom on housing, case top surface opening up passage in ventilated membrane, main body, and in master
Form projection on body bottom, the cutting tip of projection is towards ventilated membrane.The balance vent valve of this structure is arranged on Battery case
In opening, under nominal situation, ventilated membrane isolates main body with the inner sealing of casing, when being in unusual service condition in casing, meeting
Produce huge pressure to drive ventilated membrane to bend towards bottom part body direction, now projection breaks ventilative membrane puncture, in casing
Passage of the high pressure after puncture outwardly discharge, so as to prevent that explosion phenomenon occurs in casing, play explosion-proof effect.
But, the balance vent valve of said structure when in use, opens up mounting 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
Humidity in steam, casing can not keep steady state, extraneous especially when extraneous humidity is higher than the humidity in casing
Vapor can enter box house through the gap at the edge of waterproof ventilated membrane, change member in humidity in casing, influence casing
The normal operating conditions of part.For example, the battery system in Battery case cannot normally be 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 can not be in guard box body, cause the problem of element in casing can not normally be run.
Therefore, the present invention provides a kind of balance vent valve, including
Housing, with inner chamber and bottom opening, has protuberance on its top surface；Open up and vertically prolong on the protuberance
Stretch extraneous at least one first passage connected with the inner chamber；
In first waterproof ventilated membrane, the lower surface for being fixed on the protuberance, the bottom of the protuberance has can
The first lancet and means that first waterproof ventilated membrane is worn out；
Dynamic seal structure, is set on the housing and in the inner chamber, for by first waterproof and breathable
Film is isolated or connected with the bore seal of the housing；
The dynamic seal structure includes drive mechanism, sets on the housing and sealing is centered around first waterproof
First seal of ventilated membrane side wall, and the second seal being vertically oppositely arranged with first seal；Described
One waterproof ventilated membrane is located in the first cavity that first seal and the second seal are surrounded, and the drive mechanism drives institute
State the second seal to move towards or away from the first seal direction, so that second seal and the described first sealing
Body sealing coordinates or departed from first seal.
Preferably, above-mentioned balance vent valve, the drive mechanism sealing is fixed on the housing, first sealing
Body is fixed on the housing by the drive mechanism；
The dynamic seal structure also includes being arranged on the movable part in the housing and below the drive mechanism
Part, second seal is fixed on the top surface of the movable part；The driving structure drives the movable part
Second seal is driven to move；
The drive mechanism surrounds first chamber with first seal, the second seal and the movable part
Body.
It is further preferred that above-mentioned balance vent valve, the movable part is made of magnetic material；
The drive mechanism is fixed in the shell inner surface including sealing and around being located at first waterproof ventilated membrane
The supporter of side wall, and the coil being wrapped in the supporter outside wall surface, after to the coil electricity, produce driving institute
State the electromagnetic force that movable part is vertically moved；
First waterproof ventilated membrane is stretched into the supporter, and first seal is fixed on the supporter bottom
On.
More preferably preferably, above-mentioned balance vent valve, the top of the supporter, which has, is suitable to first waterproof and breathable
Connect first waterproof ventilated membrane with first cavity second is opened up on the depressed part of film insertion, the depressed part to lead to
Road；
First seal is arranged in the lower surface of the depressed part.
Horizontally outward extend it is further preferred that having in above-mentioned balance vent valve, the lower surface of the depressed part
The first outer, first seal is fixed on the bottom of first outer；
The bottom of the depressed part has the first opening, and first opening is used as the second channel；The coil set
It is located in the outside wall surface of the depressed part and is overlapped on first outer.
Preferably, above-mentioned balance vent valve, first seal is to be opened in the depressed part lower surface
First groove, second seal is molded over can seal on the movable part for protrusion and is caught in first groove
The first elastic sealed body；Or
First seal is prominent the second elastic sealed body being molded in the depressed part lower surface, described the
Two seals are the second groove that is opened on the movable part and can be closely caught in by second elastic sealed body.
Preferably, above-mentioned balance vent valve, in addition to be fixed on the housing bottom and be located at the movable part
At least one fixture of lower section, and the elastomeric element being arranged between the fixture and the movable part；The bullet
Property part can apply to the movable part and be directed away from the pulling force in the first seal direction.
It is further preferred that above-mentioned balance vent valve, the edge of the movable part has towards the inner walls
At least three horizontal-extending extensions of face；
Opened up on the inner walls face and the one-to-one guide groove of the extension；
The extension is stretched into the guide groove, and the fixture is fixed on the bottom of the guide groove correspondingly
On, the elastomeric element is located in the guide groove.
Preferably, opened at above-mentioned balance vent valve, the position being located in second seal of the movable part
If first through hole, being located at second seal on the surface of homonymy for the first through hole is fixed with the first through hole
Sealed second waterproof ventilated membrane；
Second lancet and means are set on the bottom of the drive mechanism, and the spine of second lancet and means is rectified to described
Second waterproof ventilated membrane simultaneously forms preset clearance between second waterproof ventilated membrane.
Preferably, the side wall for avoiding the protuberance on above-mentioned balance vent valve, the case top surface is opened up
The mounting groove caved inward；Also include
Elastic sealing element, is arranged in the mounting groove, prearrangement of deformation amount between its side wall and the internal face of the mounting groove
Gap；Under free state, the thickness of the elastic sealing element is higher than the height of the mounting groove；
Fixation kit, the mounting surface for the case top to be fixed on to casing, the elastic sealing element is located at institute
State between case top surface and the mounting surface；
Under the fastening effect of the fixation kit, the mounting surface is forced to apply to the elastic sealing element towards described
The extruding force of top surface side contraction distortion, the elastic sealing element is integrally closely pressed into the mounting groove, and is made
Its top surface is concordant with the top surface of the mounting groove.
Projected upwards it is further preferred that having on above-mentioned balance vent valve, the top surface of the elastic sealing element
Frame shape it is raised, the frame shape is raised the top surface of the elastic sealing element is divided into frame shape projection the
One region, and the second area outside frame shape projection；
The housing is fixed on the mounting surface by the fixation kit through the first area.
Preferably, above-mentioned balance vent valve, in addition to be arranged on first in the protuberance and be in communication with the outside wet
Spend detector, and the second moisture detector being arranged on the movable part bottom；
Controller, according to the detection data of first moisture detector and second moisture detector, control is described
Drive mechanism is turned on and off；And/or
Also include the protective cover being arranged at the top of the protuberance, the protective cover opens up at least one third channel.
It is further preferred that above-mentioned balance vent valve, first groove and/or second groove are annular groove,
First elastic sealed body and/or the second elastic sealed body are elastic seal ring；And/or
The top surface of the depressed part has the second outer horizontally outward extended, and the second outer sealing is fixed on
On the housing, the bottom of the protuberance and first waterproof ventilated membrane are stretched into the depressed part；And/or
The movable part is plate.
Technical solution of the present invention, has the following advantages that：
1. the balance vent valve that the present invention is provided, including housing, the first waterproof ventilated membrane and dynamic seal structure.Its
In, housing has inner chamber and bottom opening, has protuberance on its top surface；Open up vertically extending by outside on the protuberance
At least one first passage that boundary is connected with the inner chamber；First waterproof ventilated membrane is fixed on the lower surface of the protuberance
On；Dynamic seal structure, is set on the housing and in the inner chamber, for by first waterproof ventilated membrane and institute
State the bore seal isolation of housing or connect；The dynamic seal structure includes drive mechanism, is sealingly disposed on the housing
And it is centered around the first seal of the first waterproof ventilated membrane side wall, and be vertically oppositely arranged with first seal
The second seal；First waterproof ventilated membrane is located at the first cavity that first seal and the second seal are surrounded
Interior, the drive mechanism drives second seal to be moved towards or away from the first seal direction, so that described the
Two seals are sealed with first seal coordinates or departs from first seal.
The balance vent valve of this structure, the first seal is set in the side wall of the first waterproof ventilated membrane, the first seal with
First cavity of the second seal formation surrounds the first waterproof ventilated membrane.Under normal working condition, extraneous humidity with
Quite, now the second seal departs from the first seal to the humidity of housing cavity, and the first waterproof ventilated membrane is connected with housing cavity；
When there is unusual service condition, the humidity of extraneous air is more than or less than the humidity of housing cavity, and (namely the gas in casing is wet
Degree) when, open drive mechanism so that the second seal is moved towards the first seal, and coordinate with the sealing of the first seal, will
First waterproof ventilated membrane is sealed in the first cavity so that the inner chamber (namely box house) of the first waterproof ventilated membrane and housing every
From the vapor of extraneous high humility would not enter in casing, or the gas of housing cavity will not be arranged outwardly, to change case
Internal humidity so that the part in casing can be run under required constant damp condition, to improve balance vent valve
Sealing property；After unusual service condition is eliminated, drive mechanism drives the second seal to be directed away from the motion of the first seal direction again,
So that the second seal departs from the first seal and resets to the state of starting.
2. the balance vent valve that the present invention is provided, movable part is made of magnetic material；The drive mechanism includes close
Sealing is scheduled in the shell inner surface and around being located at the supporter of the first waterproof ventilated membrane side wall, and is wrapped in described
Coil in supporter outside wall surface, after to the coil electricity, produces the electromagnetism that the driving movable part is vertically moved
Power；First waterproof ventilated membrane is stretched into the supporter, and first seal is fixed on the supporter bottom.This
The balance vent valve of structure, produces magnetic field using hot-wire coil, gives movable part electromagnetic force, to drive movable part to move, just
In being turned on and off for control drive mechanism.
3. the balance vent valve that the present invention is provided, first seal is to be opened in the depressed part lower surface
First groove, second seal is molded over can seal on the movable part for protrusion and is caught in first groove
The first elastic sealed body；Or first seal is prominent the second elasticity being molded in the depressed part lower surface
Seal, second seal is to be opened on the movable part and can be closely caught in by second elastic sealed body
The second groove.When needing to isolate the first waterproof ventilated membrane with housing cavity, the first elastic sealed body need to be only driven to move
And be caught in the first groove, or drive the second concave slot sports and the second elastic sealed body is caught in the second groove,
So that total is simply compact, it is easy to operation.
4. the balance vent valve that the present invention is provided, in addition to be fixed on the housing bottom and be located at the movable part
At least one fixture of lower section, and the elastomeric element being arranged between the fixture and the movable part；The bullet
Property part can apply to the movable part and be directed away from the pulling force in the first seal direction.First need not prevented
When water ventilated membrane is isolated with housing cavity, to the logical reversely electricity of coil and/or in the presence of elastomeric element, drive mechanism and/or
Elastomeric element applies the active force for being directed away from the first seal to the second seal, further promotes the second seal to reset to
Original state.
5. the side wall for avoiding the protuberance on the balance vent valve that the present invention is provided, the case top surface is opened up
The mounting groove caved inward；Also include elastic sealing element, be arranged in the mounting groove, the inwall of its side wall and the mounting groove
Prearrangement of deformation amount gap between face；Under free state, the thickness of the elastic sealing element is higher than the height of the mounting groove；Fixed group
Part is used to being fixed on the case top into the mounting surface of casing, the elastic sealing element be located at the case top surface with
Between the mounting surface；Under the fastening effect of the fixation kit, the mounting surface is forced to apply to the elastic sealing element
Towards the extruding force of top surface side contraction distortion, the elastic sealing element is integrally closely pressed into the mounting groove
It is interior, and make its top surface concordant with the top surface of the mounting groove.
The balance vent valve of this structure, elastic sealing element is changed into compressive state from original free state, in vertical deformation
Shrink simultaneously, elastic packing packing ring is laterally having extension so that the through hole of elastic packing packing ring and the outside wall surface of erecting bed, elasticity
Close sealing state, above-mentioned transversely deforming gap are between the side wall of seal washer and the internal face of mounting groove
Transversely deforming amount to elastic sealing element is limited；Meanwhile, during elastic sealing element vertical deformation, when elastic sealing element is overall
Closely it is pressed into the mounting groove, and makes its top surface concordant with the top surface of the mounting groove, and keeps this state,
It is easy to, when fastener applies active force, enable to elastic sealing element to be well controlled (to pacify in vertical deflection
On the basis of the top surface of tankage), the horizontal and vertical deflection of elastic sealing element is controlled so as to realize so that shell
Gap between the top wall and mounting surface of body is closely sealed, so as to improve the sealing property of balance vent valve so that flat
After the vent valve that weighs is arranged on casing, it is ensured that casing degree of protection reaches necessary requirement.
6. there is the frame shape projected upwards on the balance vent valve that the present invention is provided, the top surface of the elastic sealing element
Projection, the frame shape is raised to be divided into the top surface of the elastic sealing element in the firstth area in frame shape projection
Domain, and the second area outside frame shape projection；The fixation kit fixes the housing through the first area
On the mounting surface.After fixation kit fastening, frame shape projection is closely pressed with mounting surface, even if mounting surface is not to be in water
Flat surface, the depression or projection for having part, by frame shape it is raised compressed it is different degrees of, to make up the smooth of mounting surface
Property so that mounting surface can be in sealing state all the time with elastic sealing element, further assure that balance vent valve is arranged on peace
Sealing property on dress face.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in 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, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the balance vent valve provided in the embodiment of the present invention 1；
Fig. 2 is that the balance vent valve provided in the embodiment of the present invention 1 removes the structural representation after protective cover；
Fig. 3 is the dimensional structure diagram for balancing housing in vent valve provided in the embodiment of the present invention 1；
Fig. 4 is the structural representation for balancing elastic sealing element in vent valve provided in the embodiment of the present invention 1；
Fig. 5 is the balance vent valve longitudinal profile schematic diagram provided in the embodiment of the present invention 1；
Fig. 6 be the embodiment of the present invention 1 provided in balance vent valve in housing structural representation (looking up direction)；
Fig. 7 is the structural representation (overlook direction) for balancing supporter in vent valve provided in the embodiment of the present invention 1；
Fig. 8 is drive mechanism in the balance vent valve provided in the embodiment of the present invention 1 and movable part, the first seal
And the second seal cooperation schematic diagram；
Fig. 9 coordinates for movable part in the balance vent valve provided in the embodiment of the present invention 1 with fixture, elastomeric element
Schematic diagram (overlook direction contains the second waterproof ventilated membrane)；
Figure 10 matches somebody with somebody for movable part in the balance vent valve provided in the embodiment of the present invention 1 with fixture, elastomeric element
Close schematic diagram (overlook direction removes the second waterproof ventilated membrane)；
Figure 11 is the structural representation (side of looking up for balancing supporter in vent valve provided in the embodiment of the present invention 1
To)；
Description of reference numerals：1- housings；11- protuberances；12- guide grooves；13- mounting grooves；14- elastic sealing elements；141-
Frame shape is raised；142- annular protrusions；15- erecting beds；The waterproof ventilated membranes of 2- first；3- drive mechanisms；31- supporters；311- is recessed
The portion of falling into；The outers of 312- first；The outers of 313- second；32- coils；33- supports；The seals of 4- first；The seals of 5- second；6- lives
Dynamic component；61- extensions；62- first through hole；The waterproof ventilated membranes of 63- second；The lancet and means of 64- second；The cavitys of 7- first；8-
Fixture；9- elastomeric elements；The moisture detectors of 101- first；The moisture detectors of 102- second；16- protective covers.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.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 the description of the invention, it is necessary to explanation, term " on ", " under ", " vertical or vertical ", " level ", " interior ",
The orientation or position relationship of instructions such as " outer " are, based on orientation shown in the drawings or position relationship, to be for only for ease of and describe this hair
Bright and simplified description, rather than instruction or the signified device of hint or element must be with specific orientation, with specific orientation
Construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", " the 3rd " are only used for retouching
Purpose is stated, and it is not intended that indicating or implying relative importance.For the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.In addition, institute in invention described below different embodiments
As long as the technical characteristic being related to does not constitute conflict and can just be combined with each other each other.
Embodiment 1
The present embodiment provides a kind of balance vent valve, as shown in Fig. 1-Fig. 9, including housing 1, the first waterproof ventilated membrane 2, dynamic
State sealing structure, the second waterproof ventilated membrane 63, the first lancet and means, the second lancet and means 64, the first moisture detector 101,
Two moisture detectors 102, controller, protective cover 16 and fixation kit.
Housing 1 includes having inner chamber and bottom opening, as shown in Fig. 2, Fig. 3 and Fig. 5, has protuberance on its top surface
11, the side wall for avoiding protuberance 11 opens up the mounting groove 13 caved inward；Opened up on protuberance 11 it is vertically extending by it is extraneous with it is interior
Multiple first passages of chamber connection, the first waterproof ventilated membrane 2 is fixed in the lower surface of protuberance 11, on prominent bottom also
The first lancet and means for being separated by prepsetting gap with the first waterproof ventilated membrane 2 are set, such as raised, the projection is located in protuberance 11
And reserve required gap with the first waterproof ventilated membrane 2.
As shown in Fig. 2 setting elastic sealing element 14, preferably elastic packing packing ring, elastic packing packing ring in mounting groove 13
Transversely deforming gap is reserved between the side wall of side wall and the internal face of mounting groove 13；Under free state, the thickness of elastic sealing element 14
Degree is higher than the height of mounting groove 13, and such as thickness of elastic packing packing ring is 1.2 times, 1.5 times, 1.8 times of the height of mounting groove 13
Etc., determine according to the actual requirements.As shown in figure 4, having the frame shape projected upwards raised on the top surface of seal washer
141, the top surface of seal washer is divided into the first area in frame shape projection 141 by frame shape projection 141, and positioned at frame
Second area outside shape projection 141；Multiple through holes are opened up in the first area of elastic packing packing ring, multiple through holes preferably uniformly divide
Cloth also sets up the annular protrusion 142 on through hole periphery on seal washer in the first area of elastic packing packing ring, annular
Projection 142 is located at the side of frame shape projection 141, has overlay region with annular protrusion 142.
Fixation kit includes being molded four erecting beds 15 on the top surface and being located in mounting groove 13, as shown in figure 3,
Blind hole is opened up on each erecting bed 15, and is fastened on the fastener in blind hole, such as screw or screw, through hole is corresponded
Ground is set on the periphery of erecting bed 15.Fastener sequentially passes through the blind hole on mounting surface and erecting bed 15, and the top of housing 1 is fixed
On mounting surface, elastic packing packing ring is located between the top surface of housing 1 and mounting surface.Under the fastening effect of fixation kit,
Mounting surface is forced to apply the extruding force towards the contraction distortion of top surface side to elastic packing packing ring, elastic packing packing ring is whole
Body is closely pressed into mounting groove 13, and makes its top surface concordant with the top surface of mounting groove 13.
As shown in figure 1, the buckle closure of protective cover 16 is on the top of protuberance 11, and multiple threeways are opened up on protective cover 16
Road so that the first passage in protuberance 11 is in communication with the outside, the setting of protective cover 16 prevents the hard thing or big object in the external world
Into in protuberance 11, the first waterproof ventilated membrane 2 is damaged.
Dynamic seal structure is arranged on housing 1 and in the inner chamber, for by the first waterproof ventilated membrane 2 and housing 1
Bore seal is isolated or connected.As shown in Figure 5 and Figure 8, dynamic seal structure includes drive mechanism 3, the first seal 4, second
Seal 5 and movable part 6.
Wherein, driving structure include supporter 31 and coil 32, supporter 31 sealing be fixed on the inner surface of housing 1 and around
The side wall of the first waterproof ventilated membrane 2 is located at, as shown in Figure 7 and Figure 8, the top of supporter 31, which has, is suitable to the first waterproof ventilated membrane 2
Embedded depressed part 311, the bottom of depressed part 311 has to be divided in the first opening, the lower surface and top surface of depressed part 311
The first outer 312 and the second outer 313 that Ju You do not extend horizontally outward, the second outer 313 sealing are fixed in the top of housing 1
On 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 simultaneously
Between the first outer 312 and the second outer 313, bottom is overlapped on the first outer 312.
First seal 4 is the first groove being opened on the bottom of the first outer 312, preferably annular groove.
As shown in figure 9, movable part 6 is preferably plate, and it is made of magnetic material, such as magnet steel or magnet, plate
It is arranged in housing 1 and positioned at the lower section of drive mechanism 3, the second seal 5 is fixed on the top surface of plate.Such as Fig. 5, figure
Shown in 6 and Fig. 9, plate is arranged in housing 1 by fixture 8 and elastomeric element 9, and the edge of plate has towards in housing 1
Four horizontal-extending extensions 61 of wall, it is preferable that four extensions 61 are evenly distributed on plate, accordingly, in housing 1
Open up and corresponded with extension 61 and vertically extending guide groove 12 on wall, extension 61 is respectively protruding into a guide groove 12
Interior, fixture 8 is preferably fixed plate, and fixed plate is fixed on the bottom opening of guide groove 12.Elastomeric element 9 is preferably spring,
Spring is arranged between fixed plate and plate, and spring can apply the drawing for being directed away from the direction of the first seal 4 to movable part 6
Power, is easy to the second seal 5 to depart from the first seal 4, resets to initial state；Meanwhile, the setting of guide groove 12 is used
In guiding plate, vertically direction is moved, and is easy to the second seal 5 just to being caught in the first seal 4.
As shown in figure 9, the second seal 5 is molded over can seal on plate top surface for protrusion is caught in the first groove
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. 9, Figure 10 and Figure 11, being opened up at the position of the first cavity 7 for movable part 6 first is led to
First through hole 62 sealed second is prevented in hole 62, being fixed with the second seal 5 on the surface of homonymy for first through hole 62
Water ventilated membrane 63；Accordingly, support 33 is set on the bottom opening of depressed part 311, and such as cross frame 33, cross frame 33 will
The bottom opening of depressed part 311 is divided into four second channels, sets second to wear in the bottom of the crossover location of cross frame 33
Pierce part 64, such as raised, spine end the second waterproof ventilated membrane 63 of direction of the second lancet and means 64, and it is saturating with the second waterproof
Gap needed for being reserved between air film 63.In addition, forming a dividing plate with passage in the lower surface of first through hole 62, prevent
Only the part in casing is stretched into the through hole, damages the second waterproof ventilated membrane 63.
As shown in Figure 2 and Figure 5, the first moisture detector 101 is set on the top surface of the first passage of protuberance 11,
Humidity for detecting gas in external environment；Second moisture detector 102 is arranged on the bottom of movable part 6, for example, lead to
Glue sticking is crossed, the humidity for (namely in casing) gas to be detected in housing 1；Controller is according to the He of the first moisture detector 101
The detection data of second moisture detector 102, control being turned on and off for drive mechanism 3.In addition, also opening up confession on housing 1
The fairlead that the wire seal of first moisture detector 101 is passed through, the side wall that electric wire enters back into the inner chamber of housing 1 through fairlead is opened
If threading hole in；Meanwhile, the electric wire of the second moisture detector 102 is also located in threading hole, and final two electric wires are respectively mounted
In the inside of casing.First moisture detector 101 and the second moisture detector 102 use existing humidity sensor.
The balance vent valve of this embodiment, on the mounting surface for be installed to casing after, protuberance 11 be located at the external world, housing
1 and miscellaneous part be respectively positioned on the inside of casing.When the humidity that the first humidity sensor detects the external world is X1, the second humidity sensor
Device detects the inner chamber of housing 1 (namely inside of casing) humidity for X2, the psychrometric difference of gas in the humidity and casing of ambient atmos
For Δ X=X1-X2.Under normal condition, the second seal 5 is away from the first seal 4, the first waterproof ventilated membrane 2 and housing 1
Inner chamber be in connected state, now Δ X be in preset value；When the X1 changes in external environment, Δ X is higher or lower than default
During value, controller 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,
To drive plate to drive the first elastic dense body thereon to be moved towards the first groove direction, the extension 61 of plate is in guide groove 12
Interior upward motion, spring is stretched and storage energy so that the sealing of the first elastic sealed body is caught in the first chamber in the first groove
Body 7 is sealed, and realizes and isolation is between the first waterproof ventilated membrane 2 and the inner chamber of housing 1, it is possible to stop that extraneous water steams
The vapor that gas enters in the inner chamber of housing 1, or the inner chamber of housing 1 flows to the external world by the first waterproof ventilated membrane 2, so that case
The humidity of vivo environment is always held at steady state, it is ensured that the element in casing can normally be run.When Δ X reaches again
Preset value, and during in stable state, controller controls to the logical reversely electricity of coil 32 or stops being powered, and coil 32 is close to second
Envelope body 5 applies the power for being directed away from the direction of the first seal 4 or does not produce electromagnetic force to the second seal 5, in extension spring
Reset response under, 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
Two seals 5 reset to initial state, and spring is again at the compressive state of starting, flat to adjust to complete according to humidity
The dynamic sealing process of weighing apparatus vent valve.
In addition, when other abnormal accidents occur in casing, huge pressure is produced in casing, air pressure is by 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 are bent, and the second lancet and means 64 just wear out the second waterproof ventilated membrane 63, no matter now the second seal 5 and first close
Seal body 4 and be in separation or sealing state, air pressure enters in the first cavity 7 applies outside active force to the first waterproof ventilated membrane 2,
So that the first lancet and means poke the first waterproof ventilated membrane 2, it becomes possible to discharge the high pressure in casing so that in casing
Air pressure and the air pressure in the external world be consistent, prevent that explosion phenomenon occurs in casing.
In a free state, its thickness is higher than the height of mounting groove 13 to above-mentioned elastic sealing element 14, by original freedom
State is changed into compressive state, is shunk simultaneously in vertical deformation, and elastic packing packing ring is laterally having extension so that elastic packing packing ring
Through hole and the outside wall surface of erecting bed 15, the side wall of elastic packing packing ring and mounting groove 13 internal face between be at it is tight
Close sealing state, above-mentioned transversely deforming gap limits the transversely deforming amount to elastic sealing element 14；Meanwhile, elasticity
During 14 vertical deformation of seal, closely it is pressed into when elastic sealing element 14 is overall in mounting groove 13, and make its top surface and peace
The top surface of tankage 13 is concordant, and keeps this state, is easy to, when fastener applies active force, enable to elastic sealing element
14 are well controlled (on the basis of the top surface of mounting groove 13) in vertical deflection, are ensureing that balance vent valve is close
It is easily installed while envelope property.
Secondly, after fastener fastening, frame shape projection 141 and annular protrusion 142 are closely pressed with mounting surface, even if
It is in horizontal plane that mounting surface, which is not, there is the depression or projection of part, is compressed by frame shape projection 141 and annular protrusion 142
In various degree, the planarization of mounting surface is made up so that mounting surface can be in sealing state all the time with elastic sealing element 14, will
Gap between the top surface and mounting surface of housing 1 is closely sealed, so as to improve the sealing property of balance vent valve so that
Balance after vent valve is arranged on casing, it is ensured that casing degree of protection reaches necessary requirement, such as IP67, i.e., by casing under water
Without infiltration in immersion 30 minutes, casing.
As deformation, above-mentioned protective cover 16 can also be not provided with.As deformation, above-mentioned control can also be not provided with
Device, by manually controlling being turned on and off for drive mechanism 3.
As interchangeable embodiment, annular protrusion 142 in the first area of elastic sealing element 14 can also and frame
Shape projection 141 is separated from each other, non-overlapping region.As the deformation of erecting bed 15, the number of erecting bed 15 can also for three, five
It is individual, six etc., only need erecting bed 15 to be evenly distributed in mounting groove 13, be easy to that the top of housing 1 is sealed with mounting surface and connected
Connect.As further deformation, erecting bed 15 can also be not provided with the first area of elastic sealing element 14, directly in shell
Blind hole is opened up on the top surface of body 1.
As the deformation of fixation kit, fixation kit can also be other fixed structures, for example, being arranged on mounting surface and shell
Adhering part between the top surface of body 1, and pressure mechanism is set on mounting surface top surface so that mounting surface extrudes shell
Elastic sealing element 14 on the top surface of body 1, so that by the clearance seal between mounting surface and the top surface of housing 1.
Preferably, frame shape projection 141 is formed using sealing ring；It is used as further deformation, above-mentioned elastic sealing element
Can also be not provided with frame shape projection 141 on 14 top surface, the mounting surface of casing and the top surface of elastic sealing element 14 it
Between directly compression seal.
As deformation, elastic sealing element 14 can also be other existing elastic packings in addition to for elastic packing packing ring
Structure, need to be only made with required compress variation using elastomeric material.
As further deformation, above-mentioned mounting groove 13 can not also be opened up on the top surface of housing 1, and be arranged on
Elastic sealing element 14 in mounting groove 13, only need on the top surface of housing 1 specific above-mentioned protuberance 11.
As further deformation, it can also be not provided with the second waterproof ventilated membrane 63 and drive mechanism 3 on movable part 6
It is not provided with also not opening up first through hole 62 on the second lancet and means 64, movable part 6, when needing to discharge the air pressure in casing,
Movable part 6 is only needed away from the first seal 4, the air pressure in casing can also pass through between movable part 6 and the internal face of housing 1
Gap enter in the first cavity 7, then by the row of the first waterproof ventilated membrane 2 outwardly.
As deformation, the extension 61 that the edge of movable part 6 is set can also be three, five, six etc., only need
At least provided with three, movable part 6 is smoothly arranged in housing 1, accordingly, guide groove 12, elastomeric element 9 and
The number of fixture 8 is three, five, six etc..As further deformation, above-mentioned extension can also be not provided with
61 and guide groove 12, the cooperation of fixed plate and elastomeric element 9 is only needed, movable part 6 is arranged in housing 1.
As further deformation, above-mentioned fixture 8 can also be other supporting constructions, example in addition to for fixed plate
Such as boss.Elastomeric element 9 can also be other elastic constructions, only need that court can be applied to movable part 6 in addition to for spring
To the pulling force away from the direction of the first seal 4.
As further deformation, fixture 8 and elastomeric element 9 can also be not provided with, sets other slide constructions living
Dynamic component 6 is arranged in housing 1, for example, be arranged on to set on slide rail on the internal face of housing 1, the side wall of movable part 6 and slide
Block, sliding block is arranged on slide rail.
As the deformation of movable part 6, above-mentioned movable part 6 is except that for plate, can also be other structures, only need it
Second seal 5 is set on top surface, the first cavity 7 is surrounded with the first seal 4, the second seal 5 and drive mechanism 3
.
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, sealing function can be played.
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 is opened on movable part 6 and can be by the second elastic sealed body
The second groove being closely caught in.
As further deformation, the first above-mentioned seal 4 and the second seal 5 can be with other existing sealings
Body, such as the first seal 4 are Ring like suction disc, and the second seal 5 is that can adsorb the elastomer in Ring like suction disc, so that
First seal 4 is sealed with the second seal 5 to be coordinated or comes off.Or, using existing air extraction structure, form the absorption of negative pressure
Relation, to form above-mentioned sealing structure.
As the deformation of depressed part 311, the top of depressed part 311 can also be not provided with 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 not provided with 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
On the bottom for being fixed on depressed part 311.Or, further deformation, supporter 31 can also be other structures, and such as one is opened
If the supporting plate or sleeve of through hole, supporting plate sealing is fixed on the inner surface of housing 1, and is set in the first waterproof ventilated membrane 2, the
One seal 4 is fixed on the bottom of supporter 31, supporting plate and the first seal 4, the second seal 5 and movable part 6
Between surround the first cavity 7, the first waterproof ventilated membrane 2 is located in the first cavity 7.Movable part 6 is driven using hot-wire coil 32
During motion, movable part 6 is made of magnetic material, such as magnet steel or magnet.
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 be moved towards or away from the direction of the first seal 4, now motor or cylinder seal are fixed on housing
On 1, the first seal 4 is fixed on the housing 1 of motor or cylinder, the seal 4 of drive mechanism 3 and first, the second seal 5 with
And movable part 6 surrounds the first above-mentioned cavity 7.Now, movable part 6 can not use magnetic material to be made, and can use
Other materials are made.
As further deformation, dynamic seal structure can also be not provided with above-mentioned movable part 6, only need to set above-mentioned
Drive mechanism 3, the first seal 4 and the second seal 5.Now, the first seal 4 is sealingly disposed on housing 1 and enclosed
The side wall of the first waterproof ventilated membrane 2 is wound on, vertically the second seal 5 is oppositely arranged with the first seal 4, the first waterproof ventilated membrane
2 are located in the first cavity 7 surrounded between the first seal 4 and the second seal 5, drive mechanism 3 (such as motor or cylinder)
The second seal 5 is driven to be moved towards or away from the first seal 4, to cause the second seal 5 is sealed with the first seal 4 to match somebody with somebody
Close or come off, so as to realize to isolating or connection between the first waterproof ventilated membrane 2 and the inner chamber of housing 1.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (11)
1. one kind balance vent valve, including
Housing (1), with inner chamber and bottom opening, has protuberance (11) on its top surface；Opened on the protuberance (11)
If vertically extending by extraneous at least one first passage connected with the inner chamber；
In first waterproof ventilated membrane (2), the lower surface for being fixed on the protuberance (11)；
Dynamic seal structure, is arranged on the housing (1) and in the inner chamber, for by first waterproof ventilated membrane
(2) isolate or connect with the bore seal of the housing (1)；
It is characterized in that：The dynamic seal structure includes drive mechanism (3), is arranged on the housing (1) and seals and surrounds
It is relative with first seal (4) in the first seal (4) of the first waterproof ventilated membrane (2) side wall, and vertically
The second seal (5) set；First waterproof ventilated membrane (2) is located at first seal (4) and the second seal (5)
In the first cavity (7) surrounded, the drive mechanism (3) drives second seal (5) close towards or away from described first
The motion of body (4) direction is sealed, so that second seal (5) and first seal (4), which seal, coordinates or depart from described the
One seal (4).
2. balance vent valve according to claim 1, it is characterised in that：Drive mechanism (3) sealing is fixed on described
On housing (1), first seal (4) is fixed on the housing (1) by the drive mechanism (3)；
The dynamic seal structure also includes being arranged on the activity in the housing (1) and below the drive mechanism (3)
Part (6), second seal (5) is fixed on the top surface of the movable part (6)；The driving structure drives institute
State movable part (6) and 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).
3. balance vent valve according to claim 2, it is characterised in that：The movable part (6) uses magnetic material system
Into；
The drive mechanism (3) is fixed on the housing (1) inner surface including sealing and is centered around first waterproof and breathable
The supporter (31) of film (2) side wall, and the coil (32) being wrapped in the supporter (31) outside wall surface, to the coil
(32) after being powered, the electromagnetic force that the driving movable part (6) is vertically moved is produced；
First waterproof ventilated membrane (2) is stretched into the supporter (31), and first seal (4) is fixed on the support
On body (31) bottom.
4. balance vent valve according to claim 3, it is characterised in that：The top of the supporter (31), which has, is suitable to institute
State and opened up on the embedded depressed part (311) of the first waterproof ventilated membrane (2), the depressed part (311) by first waterproof and breathable
The second channel that film (2) is connected with first cavity (7)；
First seal (4) is arranged in the lower surface of the depressed part (311).
5. balance vent valve according to claim 4, it is characterised in that：
There is the first outer (312) horizontally outward extended, first seal in the lower surface of the depressed part (311)
(4) on the bottom for being fixed on first outer (312)；
The bottom of the depressed part (311) has the first opening, and first opening is used as the second channel；The coil
(32) it is set in the outside wall surface of the depressed part (311) and is overlapped on first outer (312).
6. the balance vent valve according to claim 4 or 5, it is characterised in that：
First seal (4) is the first groove being opened in the depressed part (311) lower surface, second sealing
Body (5) is molded over the first elastic packing that can seal on the movable part (6) is caught in first groove for protrusion
Body；Or
First seal (4) is prominent the second elastic sealed body being molded in the depressed part (311) lower surface, institute
The second seal (5) is stated to be opened on the movable part (6) and can be closely caught in by second elastic sealed body
Second groove.
7. the balance vent valve according to any one of claim 2-6, it is characterised in that：
Also include being fixed at least one fixture on the housing (1) bottom and below the movable part (6)
, and the elastomeric element (9) that is arranged between the fixture (8) and the movable part (6) (8)；The elastomeric element (9)
The pulling force for being directed away from the first seal (4) direction can be applied to the movable part (6).
8. balance vent valve according to claim 7, it is characterised in that：The edge of the movable part (6) has direction
Horizontal-extending at least three extensions (61) of housing (1) internal face；
Opened up on housing (1) internal face and the one-to-one guide groove (12) of the extension (61)；
The extension (61) is stretched into the guide groove (12), and the fixture (8) is fixed on the guiding correspondingly
On the bottom of groove (12), the elastomeric element (9) is located in the guide groove (12).
9. the balance vent valve according to any one of claim 2-8, it is characterised in that：
First through hole (62), described first are opened up at the position being located in second seal (5) of the movable part (6)
Being located at second seal (5) on the surface of homonymy for through hole (62) is fixed with the first through hole (62) sealed the
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)
Just to second waterproof ventilated membrane (63) and form preset clearance between second waterproof ventilated membrane (63)；And/or
Also include being arranged on the first moisture detector (101) in the protuberance (11) and being in communication with the outside, and be arranged on institute
State the second moisture detector (102) on movable part (6) bottom；
Controller, according to first moisture detector (101) and the detection data of second moisture detector (102), control
Make being turned on and off for the drive mechanism (3)；And/or
Also include being arranged on protective cover (16) on the protuberance (11) top, the protective cover (16) open up at least one the
Triple channel.
10. the balance vent valve according to any one of claim 1-9, it is characterised in that：Housing (1) top surface
On the side wall for avoiding the protuberance (11) open up the mounting groove (13) caved inward；Also include
Elastic sealing element (14), is arranged in the mounting groove (13), between the internal face of its side wall and the mounting groove (13)
Reserved transversely deforming gap；Under free state, the thickness of the elastic sealing element (14) is higher than the height of the mounting groove (13)；
Fixation kit, for the mounting surface by casing is fixed at the top of the housing (1), the elastic sealing element (14) is located at
Between housing (1) top surface and the mounting surface；
Under the fastening effect of the fixation kit, the mounting surface is forced to apply to the elastic sealing element (14) towards described
The extruding force of top surface side contraction distortion, integrally the mounting groove (13) is closely pressed into by the elastic sealing element (14)
It is interior, and make its top surface concordant with the top surface of the mounting groove (13).
11. balance vent valve according to claim 10, it is characterised in that：
Have the frame shape projected upwards raised (141) on the top surface of the elastic sealing element (14), the frame shape projection
(141) top surface of the elastic sealing element (14) is divided into the first area in the frame shape raised (141), and
Positioned at the second area of the frame shape raised (141) outside；The fixation kit is solid by the housing (1) through the first area
It is scheduled on the mounting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611208299.5A CN107061816B (en) | 2016-12-23 | 2016-12-23 | Balanced ventilation valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611208299.5A CN107061816B (en) | 2016-12-23 | 2016-12-23 | Balanced ventilation valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107061816A true CN107061816A (en) | 2017-08-18 |
| CN107061816B CN107061816B (en) | 2023-05-12 |
Family
ID=59623159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611208299.5A Active CN107061816B (en) | 2016-12-23 | 2016-12-23 | Balanced ventilation valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107061816B (en) |
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| CN109429445A (en) * | 2017-08-22 | 2019-03-05 | 湖南中车时代电动汽车股份有限公司 | A kind of water-proof ventilated device and the electric machine controller comprising it |
| CN109707847A (en) * | 2019-01-23 | 2019-05-03 | 佛山市南海科日超声电子有限公司 | Add water humidifier sealing structure in one kind |
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| CN110039986A (en) * | 2018-01-15 | 2019-07-23 | 舍弗勒技术股份两合公司 | High-voltaghe compartment binary channels adapter and the high-voltaghe compartment of hybrid power module |
| WO2019238116A1 (en) * | 2018-06-15 | 2019-12-19 | 杭州三花研究院有限公司 | Electric valve |
| US11619317B2 (en) | 2018-06-15 | 2023-04-04 | Zhejiang Sanhua Intelligent Controls Co., Ltd. | Electrically operated valve |
| CN109163129A (en) * | 2018-09-21 | 2019-01-08 | 奇瑞汽车股份有限公司 | A kind of covering plate structure of shell |
| CN109341660A (en) * | 2018-11-08 | 2019-02-15 | 天津理工大学 | Universal level-metre |
| CN109341660B (en) * | 2018-11-08 | 2024-04-30 | 天津理工大学 | Universal level meter |
| CN109707847B (en) * | 2019-01-23 | 2024-04-02 | 佛山市南海科日超声电子有限公司 | Go up to add water humidifier seal structure |
| CN109707847A (en) * | 2019-01-23 | 2019-05-03 | 佛山市南海科日超声电子有限公司 | Add water humidifier sealing structure in one kind |
| CN113972077A (en) * | 2021-09-17 | 2022-01-25 | 国能浙江余姚燃气发电有限责任公司 | Moving contact sealing device of novel GW20-252W2500 type isolating switch |
| CN113972077B (en) * | 2021-09-17 | 2023-12-15 | 国能浙江余姚燃气发电有限责任公司 | Novel GW20-252W2500 type isolating switch moving contact sealing device |
| WO2023077383A1 (en) * | 2021-11-04 | 2023-05-11 | 宁德时代新能源科技股份有限公司 | Box assembly of battery, battery, and method for manufacturing box assembly of battery |
| CN114978409A (en) * | 2022-07-20 | 2022-08-30 | 深圳市安卫普科技有限公司 | Air inlet assembly, signal shielding device and signal shielding instrument |
| DE102022119112A1 (en) | 2022-07-29 | 2024-02-01 | Eugen Forschner Gmbh | Pressure compensation device for an electrochemical device |
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| CN107061816B (en) | 2023-05-12 |
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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. |