CN107166062A - Suitable for the high pressure integrated form cylinder valve of 70MPa operating pressures - Google Patents
Suitable for the high pressure integrated form cylinder valve of 70MPa operating pressures Download PDFInfo
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- CN107166062A CN107166062A CN201710344368.3A CN201710344368A CN107166062A CN 107166062 A CN107166062 A CN 107166062A CN 201710344368 A CN201710344368 A CN 201710344368A CN 107166062 A CN107166062 A CN 107166062A
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- storing cavity
- air inlet
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- 230000001681 protective effect Effects 0.000 claims abstract description 20
- 238000013459 approach Methods 0.000 claims abstract description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 20
- 230000008676 import Effects 0.000 claims description 15
- 230000033228 biological regulation Effects 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000013589 supplement Substances 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 104
- 238000013461 design Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000004113 Sepiolite Substances 0.000 description 6
- 229910052624 sepiolite Inorganic materials 0.000 description 6
- 235000019355 sepiolite Nutrition 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000743 fusible alloy Inorganic materials 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000000505 pernicious effect Effects 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/105—Three-way check or safety valves with two or more closure members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
-
- 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
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/38—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
- F16K17/383—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature the valve comprising fusible, softening or meltable elements, e.g. used as link, blocking element, seal, closure plug
-
- 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)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The present invention relates to field of mechanical technique.Suitable for the high pressure integrated form cylinder valve of 70MPa operating pressures, including a valve body, valve body is provided with gas cylinder connection end, the total air inlet for connecting gas cylinder, and valve body is interior to be provided with a gas channel；When valve body is inflated, total air inlet is in the conduction state, along the direction of air-flow from total air inlet to gas cylinder connection end successively approach magnetic valve, a stop valve, an overcurrent protective valve, filter in gas channel；When valve body is vented, total air inlet is in closure state, along airflow direction from gas cylinder connection end successively approach filter, overcurrent protective valve, stop valve, magnetic valve, a pressure-reducing valve in gas channel.The present invention in cylinder valve by being integrated with pressure-reducing valve, magnetic valve, stop valve, overcurrent protective valve, filter, it is adaptable to 70MPa operating pressures.The present invention, to reach downstream atmospheric pressure requirement, reduces downstream design difficulty by provided with pressure-reducing valve, being easy to gases at high pressure before this cylinder valve is discharged first to depressurizing.
Description
Technical field
The present invention relates to field of mechanical technique, more particularly to cylinder valve.
Background technology
At present, hydrogen fuel cell Industry Quick Development, whole industrial chain is still during maturation is improved, and integrated cylinder valve is whole
One of critical product in individual industrial chain.Market is very big to the demand of the product, and is almost also supplied without ripe product
Should.
The operating pressure of general cylinder valve is often 35MPa, when the operating pressure of cylinder valve works for cylinder valve, inside cylinder valve
Air pressure.When the operating pressure of cylinder valve is chosen for 70MPa, the gas in cylinder valve is conveyed to downstream in use, needing under
Trip carries out special design (such as depressurizing), could use.Existing cylinder valve is in order to directly give down the gas that cylinder valve is conveyed
Trip is used, and the operating pressure of cylinder valve is no more than 35MPa, is not easy to ensure the storage of cylinder valve multicapacity gas, conveying.
The content of the invention
It is an object of the present invention to provide suitable for the high pressure integrated form cylinder valve of 70MPa operating pressures, with solve it is above-mentioned extremely
A few technical problem.
Technical problem solved by the invention can be realized using following technical scheme：
Suitable for the high pressure integrated form cylinder valve of 70MPa operating pressures, including a valve body, the valve body is used to connect provided with one
Connect gas cylinder connection end, a total air inlet, a total gas outlet for gas cylinder, it is characterised in that a gas channel is provided with the valve body；
During the valve body inflation, total air inlet is in the conduction state, and total gas outlet is in closure state, the air-flow
Along the direction of air-flow from total air inlet to gas cylinder connection end successively approach magnetic valve, a stop valve, an overcurrent protection in passage
Valve, filter；
During the valve body exhaust, total air inlet is in closure state, and total gas outlet is in the conduction state, the air-flow
Along filter, the overcurrent protective valve, institute described in airflow direction from gas cylinder connection end to total gas outlet successively approach in passage
State stop valve, the magnetic valve, a pressure-reducing valve.
The present invention in cylinder valve by being integrated with pressure-reducing valve, magnetic valve, stop valve, overcurrent protective valve, filter, it is adaptable to
70MPa operating pressures.The present invention by provided with pressure-reducing valve, be easy to gases at high pressure discharge this cylinder valve before first to depressurizing,
To reach downstream atmospheric pressure requirement, downstream design difficulty is reduced.
Provided with the first storage in the first air inlet of the magnetic valve provided with one with total air inlet conducting, the magnetic valve
Air cavity；
When the magnetic valve is opened, first air inlet is turned on first air storing cavity,
During the solenoid closure, first air inlet is not turned on first air storing cavity.
The present invention is provided with the first air storing cavity by magnetic valve, is easy to gas-storing capacity in increase cylinder valve, accelerates transport gas velocity.
A pneumatic operated valve, second air inlet of the pneumatic operated valve provided with one with total air inlet conducting are additionally provided with the valve body
Mouthful, it is provided with the second air storing cavity that the import with the stop valve is turned in the pneumatic operated valve, second air storing cavity and described the
One air storing cavity is turned on, and import of first air storing cavity through second air storing cavity and the stop valve is turned on；
When the pneumatic operated valve is opened, second air inlet is turned on second air storing cavity；
During the pneumatic operated valve closure, second air inlet is not turned on second air storing cavity.
The present invention improves air-flow stationarity during gas transmission, gas is through magnetic valve by the combination of pneumatic operated valve and magnetic valve
First air storing cavity is delivered to after the second air storing cavity of pneumatic operated valve, is delivered to stop valve.The present invention is by being provided with first in magnetic valve
The second air storing cavity is provided with air storing cavity, pneumatic operated valve, is easy to gas-storing capacity in increase cylinder valve, accelerates transport gas velocity.The present invention is logical
Cross magnetic valve and then realize the unlatching of pneumatic operated valve.
The magnetic valve includes offering first air inlet on an electromagnetism valve base, the electromagnetism valve base, described
The valve core of the electromagnetic valve of the first air inlet is propped up when in magnetic valve provided with a closure, one is used to giving valve core of the electromagnetic valve and props up first and enter
First spring of the spring force of gas port, first spring is located in first air storing cavity；
The pneumatic operated valve includes offering second air inlet on a pneumatic valve seat and pneumatic valve core, the pneumatic valve seat
Mouthful, the pneumatic valve core of the second air inlet is propped up when in the pneumatic operated valve provided with a closure, one is used to giving pneumatic valve core and supports
The firmly second spring of the spring force of the second air inlet, the second spring is located in second air storing cavity；
During inflation, total inlet charge, magnetic valve is in off-position, and the blowing pressure props up first more than the first spring and entered
The power of gas port, and it is more than the power that second spring props up the second air inlet, magnetic valve is in opening with pneumatic operated valve, and gas enters
Enter to pass sequentially through stop valve, overcurrent protective valve, filter, finally enter gas cylinder.
The present invention realizes inflation when powering off by optimizing the structure of magnetic valve.
The 3rd air storing cavity is additionally provided with the pneumatic operated valve, the 3rd air storing cavity is located at institute respectively with second air storing cavity
The both sides in pneumatic operated valve valve core movement direction are stated, the 3rd air storing cavity is not turned on second air storing cavity,
The import conducting of 3rd air storing cavity and stop valve；
When the pneumatic valve core of pneumatic operated valve props up the second air inlet, pneumatic operated valve closure, the second air storing cavity, the 3rd air storing cavity
It is not turned on the second air inlet,
When the pneumatic valve core of pneumatic operated valve does not prop up the second air inlet, pneumatic operated valve is opened, the second air storing cavity, the described 3rd
Air storing cavity and the second air inlet are turned on；
The upstream master that an import for being used for stop valve is turned on the 3rd air storing cavity, the second air storing cavity is offered in the valve body
A downstream main channel is further opened with passage, the valve body, first air inlet and second air inlet pass through downstream master
Passage is turned on the total air inlet and pressure-reducing valve；
First throttle orifice plate is provided with the pneumatic operated valve, the first throttle orifice plate is provided with first segment discharge orifice, described section
Only the import of valve is turned on after upstream main channel, the first segment discharge orifice with second air storing cavity；
The electromagnetism valve base is provided with the second restricting orifice, second restricting orifice and offers the second throttle orifice,
First air storing cavity is turned on through second restricting orifice and the downstream main channel；
The aperture of second throttle orifice is more than the aperture of first segment discharge orifice.
And then the deflation of cylinder valve can be realized.
During deflation, magnetic valve is in "on" position, and magnetic valve is opened, the second air storing cavity, upstream main channel and the first gas storage
By the second throttle orifice, downstream main channel is vented the gas of chamber.Gas in the main channel of upstream is stored up through first segment discharge orifice to second
Make-up gas in air cavity, because the second throttle diameter is bigger than first segment orifice aperture, for the second air storing cavity, upstream is main logical
Road discharges few to the gas supplement of the second air storing cavity than downstream main channel, the pressure reduction in the second air storing cavity, the second storage
Active force that gas intracavity gas are produced to pneumatic valve core reduces, and the 3rd gas storage intracavity gas are to pneumatic valve core active force and the
Two gas storage intracavity gas are more than the spring force of second spring to the difference of pneumatic valve core active force, so that pneumatic valve sealing surface
It is opened, air-flow is directly entered downstream main channel from upstream main channel, finally discharges.
After magnetic valve power-off, electromagnetism valve sealing surface is closed, the second air storing cavity, upstream main channel and the first air storing cavity ring cavity chamber
This gas at 3 of room is no longer let out to downstream, in a period of time, and this gas pressure at 3 will be consistent with the gas pressure in gas cylinder.
It is once again powered up or powers off, the process of above-mentioned deflation will be repeated, be a cycle.
The valve body includes a bottom for being in cuboid in cylindrical upper end, one；
The upper end is connected with the bottom, and the gas cylinder connection end is located at the top of the upper end；It is described total
Air inlet is all located at the bottom with total gas outlet.Upper end top passes in and out the passage of gas cylinder provided with gas.
The filter, the overcurrent protective valve, the stop valve, the mistake are sequentially provided with the valve body from top to bottom
Filter, the overcurrent protective valve, the stop valve three, which are fixedly connected to offer on one regulation component of composition, the valve body, to be used for
The through hole of the fixed regulation component, the central axis of the through hole and the centerline axis parallel of the upper end；
The pressure-reducing valve, the magnetic valve, pneumatic operated valve are provided with the bottom.
The present invention is fixedly connected with one pressure regulation of composition by the filter, the overcurrent protective valve, the stop valve three
Component, the integration for being easy to implement three is installed.
The bottom, which offers one, is used to install the magnetic valve mounting hole of magnetic valve, one for installing the pneumatic of pneumatic operated valve
Valve mounting hole, one are used for the pressure-reducing valve mounting hole for installing pressure-reducing valve；
The central axis upright of the central axis of the magnetic valve mounting hole and the pneumatic operated valve mounting hole；
The centerline axis parallel of the central axis of the magnetic valve mounting hole and the pressure-reducing valve mounting hole；
The central axis of the magnetic valve mounting hole, the central axis of the pressure-reducing valve mounting hole, the pneumatic operated valve are installed
The central axis in hole is in the same plane.
The present invention by provided with magnetic valve mounting hole, pneumatic operated valve mounting hole, pressure-reducing valve mounting hole, be easy to implement magnetic valve,
Pneumatic operated valve, the installation of pressure-reducing valve, replacing, the present invention pass through the center of the central axis of magnetic valve mounting hole, pressure-reducing valve mounting hole
Axis, pneumatic operated valve mounting hole central axis it is in the same plane, be easy to implement the integrally-built miniaturization of device, control volume
Product.
A pressure sensor mounting hole for being used to install pressure sensor, the pressure sensor are offered on the valve body
The centerline axis parallel of the central axis of mounting hole and the pneumatic operated valve mounting hole；
And, the central axis of the pressure sensor mounting hole, the central axis of the pneumatic operated valve mounting hole, the electromagnetism
The central axis three of valve mounting hole is in the same plane, using the plane as the first plane；
Central axis of first plane perpendicular to the through hole.
The present invention by magnetic valve, pneumatic operated valve, pressure sensor three installation position, be easy to reduce overall occupancy empty
Between, realize the miniaturization of device.
One is offered on the valve body is used for temperature sensor mounted passage, the central shaft of the passage and the through hole
Line is parallel to each other, and the passage centerline axis parallel in the central axis of the upper end；
The induction end of the temperature sensor externally protrudes out in the upper end.
It is easy to by monitors temperature.
The outer wall of the upper end is provided with the external screw thread for being used for being threadedly coupled gas cylinder.It is easy to implement detachable with gas cylinder
Connection.
An air releasing device mounting hole for being used to install air releasing device is additionally provided with the valve body, the air releasing device includes one
For housing passage of the fusing point in 105 DEG C~115 DEG C of fusible alloy, one end of the passage is turned on the gas channel,
The outer wall of the other end of the passage and the valve body is turned on.
The present invention is by provided with air releasing device, being easy to after temperature is more than meltable golden fusing point, and internal meltable gold can melt
Melt outflow, realize that gas channel is turned on extraneous, and then the high pressure hydrogen in cylinder valve is released, it is ensured that safety.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the invention；
Fig. 2 is in a kind of principle schematic under connection status for the present invention with gas cylinder；
Fig. 3 is the present invention provided with pneumatic operated valve and the sectional view at pressure-reducing valve；
Fig. 4 is the present invention provided with the sectional view at regulation component；
Fig. 5 is in a kind of sectional view of the filter under exhaust condition for the present invention.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Conjunction, which is specifically illustrating, is expanded on further the present invention.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, it is adaptable to the high pressure integrated form cylinder valve of 70MPa operating pressures, including a valve
Body, valve body is provided with gas cylinder connection end, a total air inlet 6, total (the total gas outlet 20 of gas outlet 20 for connecting gas cylinder 13
It is exactly the end of pressure-reducing valve 4), valve body is interior to be provided with a gas channel；When valve body is inflated, total air inlet 6 is in the conduction state, always goes out
Gas port 20 is in closure state, gas channel along the direction of air-flow from total air inlet to gas cylinder connection end successively approach electromagnetism
Valve 5, a stop valve 1, an overcurrent protective valve 2, filter 3；When valve body is vented, total air inlet is in closure state, total gas outlet
It is in the conduction state, along airflow direction from gas cylinder connection end successively approach filter, overcurrent protective valve, cut-off in gas channel
Valve, magnetic valve 5, a pressure-reducing valve 4.The present invention in cylinder valve by being integrated with pressure-reducing valve 4, magnetic valve 5, stop valve, overcurrent protection
Valve, filter, it is adaptable to 70MPa operating pressures.The present invention is by provided with pressure-reducing valve 4, being easy to gases at high pressure discharging this cylinder valve
Before first to depressurizing, to reach downstream atmospheric pressure requirement, downstream design difficulty is reduced.
Magnetic valve 5 is provided with first air inlet turned on total air inlet, and magnetic valve 5 is interior to be provided with the first air storing cavity；Electromagnetism
When valve 5 is opened, the first air inlet and the first air storing cavity are turned on, and when magnetic valve 5 is closed, the first air inlet is not led with the first air storing cavity
It is logical.The present invention is provided with the first air storing cavity by magnetic valve 5, is easy to gas-storing capacity in increase cylinder valve, accelerates transport gas velocity.
A pneumatic operated valve 8 is additionally provided with valve body, pneumatic operated valve 8 is provided with second air inlet 9 turned on total air inlet, pneumatic operated valve
The second air storing cavity that the import 11 with stop valve is turned on is provided with 8, the second air storing cavity and the first air storing cavity are turned on, and the first gas storage
Import 11 of the chamber through the second air storing cavity and stop valve is turned on；When pneumatic operated valve 8 is opened, the second air inlet 9 and the second air storing cavity are turned on；
When pneumatic operated valve 8 is closed, the second air inlet 9 is not turned on the second air storing cavity.Combination of the invention by pneumatic operated valve 8 and magnetic valve 5,
Air-flow stationarity during gas transmission is improved, gas can be delivered to the second air storing cavity of pneumatic operated valve 8 through the air storing cavity of magnetic valve 5 first
Afterwards, it is delivered to stop valve.The present invention is provided with the second air storing cavity by being provided with magnetic valve 5 in the first air storing cavity, pneumatic operated valve, is easy to
Increase gas-storing capacity in cylinder valve, accelerate transport gas velocity.
Magnetic valve 5, which includes offering on an electromagnetism valve base, electromagnetism valve base, is provided with one in the first air inlet, magnetic valve 5
Propped up during closure the first air inlet valve core of the electromagnetic valve, one be used for give the spring force that valve core of the electromagnetic valve props up the first air inlet
First spring, the first spring is located in the first air storing cavity 15；Pneumatic operated valve 8 includes a pneumatic valve seat and pneumatic valve core 10, pneumatic
The pneumatic valve core that during provided with a closure props up second air inlet 9, one are offered in the second air inlet 9, pneumatic valve seat on valve seat
For giving the second spring that pneumatic valve core props up the spring force of the second air inlet 9, second spring is located at the second air storing cavity 14
It is interior；During inflation, total inlet charge, magnetic valve 5 is in off-position, and the blowing pressure props up the first air inlet more than the first spring
Power, and prop up the power of the second air inlet 9 more than second spring, magnetic valve 5 is in opening with pneumatic operated valve 8, and gas enters
Enter to pass sequentially through stop valve 1, overcurrent protective valve 2, filter 3, finally enter gas cylinder.Knot of the invention by optimizing magnetic valve 5
Structure, and then realize inflation when powering off.
The 3rd air storing cavity is additionally provided with pneumatic operated valve 8, the 3rd air storing cavity and the second air storing cavity 14 are located at pneumatic valve core respectively
The both sides of the direction of motion；When the pneumatic valve core 10 of pneumatic operated valve 8 props up the second air inlet, pneumatic operated valve 8 is closed, the 3rd air storing cavity
It is not turned on the second air inlet, when the pneumatic valve core of pneumatic operated valve 8 does not prop up the second air inlet, pneumatic operated valve 8 is opened, the 3rd storage
Air cavity and the second air inlet are turned on.The upstream that an air storing cavity 14 of import 11 and second for being used for stop valve is turned on is offered in valve body
A downstream main channel is further opened with main channel, valve body, the first air inlet is with the second air inlet by downstream main channel with always entering
Gas port and pressure-reducing valve 4 are turned on.First throttle orifice plate is provided with pneumatic operated valve 8, the first throttle orifice plate is provided with first segment discharge orifice,
The import 11 of stop valve is turned on after upstream main channel, first segment discharge orifice with the second air storing cavity 14；Electromagnetism valve base is provided with the
The second throttle orifice is offered on two restricting orifices, second restricting orifice, the first air storing cavity is through the second restricting orifice and downstream
Main channel is turned on；The aperture of second throttle orifice is more than the aperture of first segment discharge orifice.And then the deflation of cylinder valve can be realized.Deflate
When, magnetic valve 5 is in "on" position, and magnetic valve 5 is opened, and the gas of the second air storing cavity, upstream main channel and the first air storing cavity leads to
Crossing the second throttle orifice, downstream main channel is vented.Gas in the main channel of upstream is supplemented through first segment discharge orifice into the second air storing cavity
Gas, because the second throttle diameter is bigger than first segment orifice aperture, for the second air storing cavity, upstream main channel is stored up to second
The gas supplement of air cavity discharges few than downstream main channel, the pressure reduction in the second air storing cavity, the second gas storage intracavity gas
The active force that pneumatic valve core is produced is reduced, the 3rd gas storage intracavity gas are to pneumatic valve core active force and the second air storing cavity 14
Interior gas is more than the spring force of second spring to the difference of pneumatic valve core active force, so that the sealing surface of pneumatic operated valve 8 is opened,
Air-flow is directly entered downstream main channel from upstream main channel, finally discharges.
Magnetic valve is provided with an electromagnetism valve air gate, and the first air storing cavity is turned on electromagnetism valve air gate.Pneumatic operated valve is provided with two
Gas outlet, respectively the first gas outlet, the second gas outlet, the first gas outlet are turned on the second air storing cavity.Pneumatic valve core is propped up
During the second air inlet, the second air inlet is not turned on the second gas outlet, when pneumatic valve core does not prop up the second air inlet, and second enters
Gas port, the 3rd air storing cavity, the conducting of the second gas outlet.
After magnetic valve 5 is powered off, the sealing surface of magnetic valve 5 is closed, the second air storing cavity, upstream main channel and the first air storing cavity ring cavity
This gas at 3 of chamber is no longer let out to downstream, in a period of time, this gas pressure at 3 by with the gas pressure one in gas cylinder
Cause.It is once again powered up or powers off, the process of above-mentioned deflation will be repeated, be a cycle.
Valve body includes a bottom for being in cuboid in cylindrical upper end, one；Upper end is connected with bottom, always
Air inlet is located at the top of upper end；Total air inlet is located at the top of the upper end；Total air inlet, total gas outlet Dou Chu
In bottom.It is sequentially provided with filter, overcurrent protective valve, stop valve 1 in valve body from top to bottom, filter, overcurrent protective valve, cuts
Only the three of valve 1 is fixedly connected with the through hole offered on one regulation component of composition, valve body for fixing regulation component, the center of through hole
Axis and the centerline axis parallel of upper end；Pressure-reducing valve 4, magnetic valve 5, pneumatic operated valve 8 are provided with bottom.The present invention passes through filtering
Device, overcurrent protective valve, the three of stop valve 1 are fixedly connected with one regulation component of composition, and the integration for being easy to implement three is installed.
Bottom, which offers one, to be used to install the pneumatic operated valve of the magnetic valve mounting hole of magnetic valve 5, one for installing pneumatic operated valve 8
Mounting hole, one are used for the pressure-reducing valve mounting hole for installing pressure-reducing valve 4；The central axis of magnetic valve mounting hole and pneumatic operated valve mounting hole
Central axis upright；The central axis of magnetic valve mounting hole and the centerline axis parallel of pressure-reducing valve mounting hole；Magnetic valve mounting hole
Central axis, the central axis of pressure-reducing valve mounting hole, pneumatic operated valve mounting hole central axis it is in the same plane.The present invention
By provided with magnetic valve mounting hole, pneumatic operated valve mounting hole, pressure-reducing valve mounting hole, being easy to implement magnetic valve 5, pneumatic operated valve 8, pressure-reducing valve
4 installation, change, the central axis, the central axis of pressure-reducing valve mounting hole, pneumatic operated valve that the present invention passes through magnetic valve mounting hole are pacified
The central axis for filling hole is in the same plane, is easy to implement the integrally-built miniaturization of device, controls volume.
A pressure sensor mounting hole for being used to install pressure sensor 7, pressure sensor mounting hole are offered on valve body
Central axis and the mounting hole of pneumatic operated valve 8 centerline axis parallel；And, central axis, the pneumatic operated valve of pressure sensor mounting hole
The central axis of mounting hole, the central axis three of magnetic valve mounting hole are in the same plane, using plane as the first plane；The
Central axis of one plane perpendicular to through hole.The present invention by magnetic valve 5, pneumatic operated valve 8, the three of pressure sensor 7 installation side
Position, is easy to reduce overall space-consuming, realizes the miniaturization of device.
One is offered on valve body is used for the passage of mounting temperature sensor 17, and the central axis of passage and through hole is mutually put down
OK, and passage centerline axis parallel in the central axis of upper end；The induction end of temperature sensor externally protrudes out in upper end.It is easy to
Pass through monitors temperature.
The outer wall of upper end is provided with the external screw thread for being used for being threadedly coupled gas cylinder.It is easy to implement and connects with the detachable of gas cylinder
Connect.
An air releasing device mounting hole for being used to install air releasing device 12 is additionally provided with valve body, air releasing device 12, which includes one, to be used for
Accommodating fusing point is in the passage of 105 DEG C~115 DEG C of fusible alloy, one end and the gas channel conducting, the other end of passage of passage
Turned on the outer wall of valve body.The present invention is by provided with air releasing device, being easy to after temperature is more than meltable golden fusing point, and internal is easy
Molten gold can melt outflow, realize that gas channel is turned on extraneous, and then the high pressure hydrogen in cylinder valve is released, it is ensured that peace
Entirely.
A filter core is provided with filter, filter core includes the following raw material, activated carbon 50%~60%, glass fibre
4%~8%, water-absorbing resin 5%~8%, magnetic 3%~7%, sepiolite 8%~15%, diatom ooze 5%~15%, wood chip ash
3%~5%.The present invention has additional sepiolite by optimizing traditional filtering filter core by inside, and sepiolite has micropore, can be real
The absorption of existing pernicious gas, in addition, the present invention is easily filled into the micropore of sepiolite by having additional diatom ooze and wood chip ash,
The clean-up effect that gas passes through sepiolite micropore is improved, in addition, the present invention is by provided with diatom ooze, realizing the viscosity suction of particulate matter
It is attached, improve the adsorption effect of magnetic.Water-absorbing resin is realized after water imbibition, improves the overall viscosity of filter core, and then raising pair
The sticky adsorption effect of impurity.Because the present invention remains to realize the effect of gas permeability by optimizing the content that each is matched.
As a kind of effective scheme, a filter core is provided with filter, filter core includes the following raw material, activated carbon
60%, glass fibre 5%, water-absorbing resin 5%, magnetic 7%, sepiolite 9%, diatom ooze 11%, wood chip ash 3%.The present invention is logical
Cross the content of increase activated carbon, it is ensured that the overall air permeability of filter core, adhesive is used as by diatom ooze, realize the viscous of raw material
Property fix while, or realize to impurity viscosity adsorb.
Referring to Fig. 5, two filter elements, respectively the first filter element, the second filter element, second are provided with filter
Filter element is annular in shape, and is arranged on the periphery of the first filter element.First filter element includes the first cylindrical case 31, first
It is provided with cylindrical case 31 and one is additionally provided with columned first filter core 36, the first cylindrical case 31 provided with air-vent
First locating part 33, the first locating part 33 is fixedly connected with the first cylindrical case 31, and the lower section of the first locating part 33 is provided with first
Filter core 36, the top of the first locating part 33 is provided with first baffle 34, and the locating part 33 of first baffle 34 and first passes through the 3rd
Spring is connected, and has gap between the inwall of the cylindrical case 31 of first baffle 34 and first；
Second filter element includes being provided with the second filtering of annular shape in the second cylindrical case 32, the second cylindrical case 32
A second circular locating part 38 for being provided with air-vent, the second locating part 38 are additionally provided with filter core 35, the second cylindrical case 32
External annulus be fixedly connected with the second cylindrical case 32, the internal ring wall of the second locating part 38 and the first cylindrical case 31, which are fixed, to be connected
Connect, the top of the second locating part 38 is provided with the second filter core 35, and the lower section of the second locating part 38 is provided with second baffle 37, second
Baffle plate 37 is connected with the second locating part 38 by the 4th spring, is had between the inwall of the cylindrical case 32 of second baffle 37 and second
Gap；
During inflation, the water conservancy diversion direction of filter is from bottom to up, second baffle 37 offsets with the second locating part 38, second gear
The locating part 38 of plate 37 and second surrounds the second accommodating chamber of the 4th spring after an accommodating compression, the first locating part 33 and first gear
Plate 34 is remote, and gas when the first 36 pairs of filter core is inflated is filtered；
When gas cylinder is vented, the water conservancy diversion direction of filter is that first baffle 34 offsets with the first locating part 33 from top to bottom, the
One baffle plate 34 and the first locating part 33 surround the first accommodating chamber of the 3rd spring after an accommodating compression, the second locating part 38 and the
Two baffle plates 37 are remote, and gas when the second 35 pairs of filter core is inflated is filtered.
The present invention realize single filter can realize it is bi-directional filtered, prevent be used for it is bi-directional filtered when, absorption filtering
The impurity of unit flows to miscellaneous part by the filter element that blows off.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. suitable for the high pressure integrated form cylinder valve of 70MPa operating pressures, including a valve body, the valve body is used to connect provided with one
The gas cylinder connection end of gas cylinder, a total air inlet, a total gas outlet, it is characterised in that a gas channel is provided with the valve body；
During the valve body inflation, total air inlet is in the conduction state, and total gas outlet is in closure state, the gas channel
The interior direction along air-flow is from total air inlet to gas cylinder connection end successively approach magnetic valve, a stop valve, an overcurrent protective valve, mistake
Filter；
During the valve body exhaust, total air inlet is in closure state, and total gas outlet is in the conduction state, the gas channel
It is interior along filter described in airflow direction from gas cylinder connection end to total gas outlet successively approach, the overcurrent protective valve, described section
Only valve, the magnetic valve, a pressure-reducing valve.
2. the high pressure integrated form cylinder valve according to claim 1 suitable for 70MPa operating pressures, it is characterised in that described
It is provided with the first air storing cavity in the first air inlet of the magnetic valve provided with one with the total air inlet conducting, the magnetic valve, described the
The import of one air storing cavity and the stop valve is turned on；
When the magnetic valve is opened, first air inlet is turned on first air storing cavity,
During the solenoid closure, first air inlet is not turned on first air storing cavity.
3. the high pressure integrated form cylinder valve according to claim 2 suitable for 70MPa operating pressures, it is characterised in that described
Provided with the import with the stop valve in the second air inlet of the pneumatic operated valve provided with one with total air inlet conducting, the pneumatic operated valve
Second air storing cavity of conducting, second air storing cavity and first air storing cavity are turned on, and first air storing cavity is through described the
The import of two air storing cavities and the stop valve is turned on；
When the pneumatic operated valve is opened, second air inlet is turned on second air storing cavity；
During the pneumatic operated valve closure, second air inlet is not turned on second air storing cavity.
4. the high pressure integrated form cylinder valve according to claim 3 suitable for 70MPa operating pressures, it is characterised in that described
Magnetic valve includes offering on an electromagnetism valve base, the electromagnetism valve base to be provided with first air inlet, the magnetic valve
One props up the valve core of the electromagnetic valve of the first air inlet, one for giving the spring force that valve core of the electromagnetic valve props up the first air inlet when closing
The first spring, first spring be located at first air storing cavity in；
The pneumatic operated valve includes offering second air inlet on a pneumatic valve seat and pneumatic valve core, the pneumatic valve seat,
The pneumatic valve core of the second air inlet is propped up when in the pneumatic valve seat provided with a closure, one is used to giving pneumatic valve core and props up
The second spring of the spring force of second air inlet, the second spring is located in second air storing cavity；
During inflation, total inlet charge, magnetic valve is in off-position, and the blowing pressure props up the first air inlet more than the first spring
Power, and prop up the power of the second air inlet more than second spring, magnetic valve and pneumatic operated valve are in opening, gas enter according to
It is secondary by stop valve, overcurrent protective valve, filter, finally enter gas cylinder.
5. the high pressure integrated form cylinder valve according to claim 3 suitable for 70MPa operating pressures, it is characterised in that described
The 3rd air storing cavity is additionally provided with pneumatic operated valve, the 3rd air storing cavity is located at the pneumatic valve core respectively with second air storing cavity
The both sides of the direction of motion, the 3rd air storing cavity is not turned on second air storing cavity,
The import conducting of 3rd air storing cavity and stop valve；
When the pneumatic valve core of pneumatic operated valve props up the second air inlet, pneumatic operated valve closure, the second air storing cavity, the 3rd air storing cavity and the
Two air inlets are not turned on,
When the pneumatic valve core of pneumatic operated valve does not prop up the second air inlet, pneumatic operated valve is opened, the second air storing cavity, the 3rd gas storage
Chamber and the second air inlet are turned on；
An import for being used for stop valve is offered in the valve body and the upstream of the 3rd air storing cavity, the conducting of the second air storing cavity is main logical
A downstream main channel is further opened with road, the valve body, first air inlet and second air inlet are main logical by downstream
Road is turned on the total air inlet and pressure-reducing valve；
First throttle orifice plate is provided with the pneumatic operated valve, the first throttle orifice plate is provided with first segment discharge orifice, the stop valve
Import after upstream main channel, the first segment discharge orifice with second air storing cavity turn on；
The electromagnetism valve base is provided with the second restricting orifice, second restricting orifice and offers the second throttle orifice, described
First air storing cavity is turned on through second restricting orifice and the downstream main channel；
The aperture of second throttle orifice is more than the aperture of first segment discharge orifice.
6. the high pressure integrated form cylinder valve according to claim 5 suitable for 70MPa operating pressures, it is characterised in that deflate
When, magnetic valve is in "on" position, and magnetic valve is opened, and the gas of the second air storing cavity, upstream main channel and the first air storing cavity passes through
Downstream main channel is vented second throttle orifice.Gas in the main channel of upstream supplements gas through first segment discharge orifice into the second air storing cavity
Body, because the second throttle diameter is bigger than first segment orifice aperture, for the second air storing cavity, upstream main channel is to the second gas storage
The gas supplement of chamber discharges few than downstream main channel, the pressure reduction in the second air storing cavity, the second gas storage intracavity gas pair
The active force that pneumatic valve core is produced reduces, and the 3rd gas storage intracavity gas are to gas in pneumatic valve core active force and the second air storing cavity
Body is more than the spring force of second spring to the difference of pneumatic valve core active force, so that pneumatic valve sealing surface is opened, air-flow
Downstream main channel is directly entered from upstream main channel, is finally discharged.
7. the high pressure integrated form cylinder valve suitable for 70MPa operating pressures according to any one in claim 3 to 6, its
It is characterised by, the valve body includes a bottom for being in cuboid in cylindrical upper end, one；
The upper end is connected with the bottom, and the gas cylinder connection end is located at the top of the upper end；Total air inlet
Mouth is all located at the bottom with total gas outlet；
The filter, the overcurrent protective valve, the stop valve, the filtering are sequentially provided with the valve body from top to bottom
Device, the overcurrent protective valve, the stop valve three are fixedly connected on one regulation component of composition, the valve body and offered for solid
The through hole of the fixed regulation component, the central axis of the through hole and the centerline axis parallel of the upper end；
The pressure-reducing valve, the magnetic valve, pneumatic operated valve are provided with the bottom.
8. the high pressure integrated form cylinder valve according to claim 7 suitable for 70MPa operating pressures, it is characterised in that described
Bottom offer one be used for install magnetic valve magnetic valve mounting hole, one be used for install pneumatic operated valve pneumatic operated valve mounting hole, one
Pressure-reducing valve mounting hole for installing pressure-reducing valve；
The central axis upright of the central axis of the magnetic valve mounting hole and the pneumatic operated valve mounting hole；
The centerline axis parallel of the central axis of the magnetic valve mounting hole and the pressure-reducing valve mounting hole；
The central axis of the magnetic valve mounting hole, the central axis of the pressure-reducing valve mounting hole, the pneumatic operated valve mounting hole
Central axis is in the same plane.
9. the high pressure integrated form cylinder valve according to claim 8 suitable for 70MPa operating pressures, it is characterised in that described
A pressure sensor mounting hole for being used to install pressure sensor, the center of the pressure sensor mounting hole are offered on valve body
The centerline axis parallel of axis and the pneumatic operated valve mounting hole；
And, the central axis of the pressure sensor mounting hole, the central axis of the pneumatic operated valve mounting hole, magnetic valve peace
The central axis three for filling hole is in the same plane, using the plane as the first plane；
Central axis of first plane perpendicular to the through hole.
10. the high pressure integrated form cylinder valve according to claim 9 suitable for 70MPa operating pressures, it is characterised in that described
One is offered on valve body is used for temperature sensor mounted passage, and the central axis of the passage and the through hole is parallel to each other,
And the centerline axis parallel of the passage is in the central axis of the upper end；
The induction end of the temperature sensor externally protrudes out in the upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710344368.3A CN107166062B (en) | 2017-05-16 | 2017-05-16 | High pressure integrated form cylinder valve suitable for 70MPa operating pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710344368.3A CN107166062B (en) | 2017-05-16 | 2017-05-16 | High pressure integrated form cylinder valve suitable for 70MPa operating pressure |
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| Publication Number | Publication Date |
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| CN107166062A true CN107166062A (en) | 2017-09-15 |
| CN107166062B CN107166062B (en) | 2019-07-26 |
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ID=59815112
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710344368.3A Active CN107166062B (en) | 2017-05-16 | 2017-05-16 | High pressure integrated form cylinder valve suitable for 70MPa operating pressure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108278395A (en) * | 2018-04-13 | 2018-07-13 | 丹阳市飞轮气体阀门有限公司 | A kind of automobile-used hydrogen solenoid valve of overpressured zones decompression |
| CN109826981A (en) * | 2019-02-28 | 2019-05-31 | 上海华敬氢能科技有限公司 | A kind of highly integrated high pressure hydrogen bottle-jack valve |
| CN113048267A (en) * | 2021-03-05 | 2021-06-29 | 西安伯肯氢能科技有限公司 | Gas cylinder valve and gas cylinder group |
| CN114001177A (en) * | 2021-12-24 | 2022-02-01 | 新乡市新华液压机械有限公司 | Pneumatic control one-way damping valve |
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| CN108278395A (en) * | 2018-04-13 | 2018-07-13 | 丹阳市飞轮气体阀门有限公司 | A kind of automobile-used hydrogen solenoid valve of overpressured zones decompression |
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| CN113048267A (en) * | 2021-03-05 | 2021-06-29 | 西安伯肯氢能科技有限公司 | Gas cylinder valve and gas cylinder group |
| CN114001177A (en) * | 2021-12-24 | 2022-02-01 | 新乡市新华液压机械有限公司 | Pneumatic control one-way damping valve |
| CN114001177B (en) * | 2021-12-24 | 2022-04-01 | 新乡市新华液压机械有限公司 | Pneumatic control one-way damping valve |
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