CN108953994A - Hydrogen fuel cell unmanned plane high pressure gas cylinder cylinder valve - Google Patents
Hydrogen fuel cell unmanned plane high pressure gas cylinder cylinder valve Download PDFInfo
- Publication number
- CN108953994A CN108953994A CN201810778562.7A CN201810778562A CN108953994A CN 108953994 A CN108953994 A CN 108953994A CN 201810778562 A CN201810778562 A CN 201810778562A CN 108953994 A CN108953994 A CN 108953994A
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- Prior art keywords
- valve
- installation cavity
- valve body
- pressure
- body pedestal
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 103
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 103
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 239000007789 gas Substances 0.000 title claims abstract description 68
- 239000000446 fuel Substances 0.000 title claims abstract description 43
- 238000009434 installation Methods 0.000 claims abstract description 113
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 83
- 229910000838 Al alloy Inorganic materials 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 150000002431 hydrogen Chemical class 0.000 description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- 238000005260 corrosion Methods 0.000 description 9
- 230000007797 corrosion Effects 0.000 description 9
- 230000006837 decompression Effects 0.000 description 8
- 239000010935 stainless steel Substances 0.000 description 7
- 229910001220 stainless steel Inorganic materials 0.000 description 7
- 230000010354 integration Effects 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 206010008469 Chest discomfort Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
- F17C2205/0332—Safety valves or pressure relief valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/012—Hydrogen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0186—Applications for fluid transport or storage in the air or in space
- F17C2270/0189—Planes
-
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
Abstract
The present invention relates to unmanned plane equipment technical fields, specifically disclose a kind of hydrogen fuel cell unmanned plane high pressure gas cylinder cylinder valve, including valve body pedestal (1), the side wall of the valve body pedestal is equipped with the first installation cavity (2) being connected with valve body base interior, high-pressure stop valve (3) are equipped in first installation cavity, one end of the high-pressure stop valve is located at the outside of valve body pedestal, the other end of the high-pressure stop valve is located at the inside of valve body pedestal, the both ends of the valve body pedestal are respectively equipped with first interface (4) and the second installation cavity (5), second installation cavity passes through the first passage (6) being arranged on valve body pedestal with the first installation cavity and is connected, the first interface is connect with high pressure gas cylinder (7), pressure reducing valve (8) are equipped in second installation cavity, the pressure reducing valve is equipped with outlet interface (9).The present invention has the characteristics that small volume, stability are preferable, control efficiency is higher and safety is preferable.
Description
Technical field
The present invention relates to unmanned plane equipment technical field, in particular to a kind of hydrogen fuel cell unmanned plane high pressure gas cylinder bottle
Valve.
Background technique
In face of the dual-pressure of environmental problem and energy problem, important function of the new energy on Power evelopment road is increasingly
Highlight, wherein Hydrogen Energy as more have in new energy development potentiality one kind it is in widespread attention.In air vehicle technique field, hydrogen
Fuel cell unmanned plane is not only environmentally protective, but also fuel is in liberal supply, and all-weather flight may be implemented, so that on a large scale
Popularization and use obtain possibility, for connecting the high pressure cylinder valve of high pressure gas cylinder and hydrogen fuel cell in hydrogen fuel cell unmanned plane
It is key position, the quality of high pressure cylinder valve directly influences the stability to hydrogen fuel cell supply hydrogen, can be related to high pressure
The safety of the service efficiency of hydrogen and unmanned plane work in gas cylinder, and the high pressure cylinder valve in existing hydrogen fuel cell unmanned plane is logical
Constant volume is larger, poor to the stability control aspect performance of hydrogen, and bad to the flow supply of hydrogen, there are the waves of hydrogen
Take, so that the service efficiency of hydrogen is not high, unstable hydrogen is hidden for that also should can generate certain safety to the work of unmanned plane
Suffer from, is far from satisfying the needs of fuel cell unmanned plane.
Therefore, the high pressure cylinder valve in existing hydrogen fuel cell unmanned plane, that there are volumes is larger, stability is poor, control effect
Rate is lower and the bad problem of safety.
Summary of the invention
The present invention mentions to solve above-mentioned technical problem present in the high pressure cylinder valve in existing hydrogen fuel cell unmanned plane
Supplied a kind of small volume, stability preferably, control efficiency is higher and the preferable hydrogen fuel cell unmanned plane high pressure gas of safety
Bottle cylinder valve.
Technical solution of the present invention: hydrogen fuel cell unmanned plane high pressure gas cylinder cylinder valve, including valve body pedestal, the valve body base
The side wall of seat is equipped with the first installation cavity being connected with valve body base interior, is equipped with high-pressure stop in first installation cavity
Valve, one end of the high-pressure stop valve are located at the outside of valve body pedestal, and the other end of the high-pressure stop valve is located at valve body pedestal
Inside, the both ends of the valve body pedestal are respectively equipped with first interface and the second installation cavity, second installation cavity and the first peace
It behave affectedly and is connected by the first passage being arranged on valve body pedestal, the first interface is connect with high pressure gas cylinder, and described second
Pressure reducing valve is equipped in installation cavity, the pressure reducing valve is equipped with outlet interface.The present invention on valve body pedestal by being arranged the first peace
It behave affectedly and the second installation cavity, high-pressure stop valve is arranged in the first installation cavity, pressure reducing valve is arranged in the second installation cavity, from
And valve body pedestal becomes one with high-pressure stop valve and pressure reducing valve, have the characteristics that small volume, is highly suitable for hydrogen combustion
Expect the use on battery unmanned plane；After making the air pressure of 420bar in high pressure gas cylinder become 0.5bar by the way that pressure reducing valve is arranged, by
Outlet interface is exported to hydrogen fuel cell, and decompression is relatively high, has preferable pressure flow characteristics auto, so that the air pressure of hydrogen output
Stability is preferable；The first passage being connected by the way that the second installation cavity is arranged on valve body pedestal with the first installation cavity, passes through height
Pressure cutoff valve come to high pressure gas cylinder by first passage reach pressure reducing valve hydrogen flowing quantity be adjusted, can pass through adjust high pressure
The aperture of shut-off valve meets at hydrogen fuel cell the needs of to hydrogen, so that all hydrogen reached at hydrogen fuel cell can
It is fully utilized, improves the utilization rate of hydrogen, it is higher to the control efficiency of hydrogen flowing quantity；The control of high-pressure stop valve opening and subtract
The decompression of pressure valve, so that suitable by the hydrogen flowing quantity that outlet interface exports, stable gas pressure can satisfy the best of hydrogen fuel cell
Demand ensure that the safe operation of unmanned plane, have the characteristics that safety is preferable, while also can be realized at pressure reducing valve to high pressure
The emptying of hydrogen in gas cylinder, in order to be detected and safeguarded to high pressure gas cylinder.
Preferably, the side wall of the valve body pedestal is equipped with the third installation cavity being connected with valve body base interior, institute
It states third installation cavity and is connected with the first installation cavity by the second channel being arranged on valve body pedestal, in the third installation cavity
Equipped with charge valve.The charge valve is check valve.By the way that third installation cavity is arranged on the side wall of valve body pedestal, installed in third
Intracavitary setting charge valve, integration with higher, so that cylinder valve small volume；The can be allowed by being arranged on valve body pedestal
The second channel that three installation cavitys are connected with the first installation cavity, can from charge valve from second channel directly into high pressure gas cylinder
Hydrogen is filled, filling hydrogen is convenient and efficient, no replacement is required high pressure gas cylinder.
Preferably, the side wall of the valve body pedestal is equipped with the 4th installation cavity being connected with valve body base interior, institute
It states the 4th installation cavity and is connected with the first installation cavity by the third channel being arranged on valve body pedestal, in the 4th installation cavity
Equipped with pressure maintaining valve.By the way that the 4th installation cavity is arranged on the side wall of valve body pedestal, pressure maintaining valve is set in the 4th installation cavity, is had
Higher integration, so that cylinder valve small volume；The 4th installation cavity and first can be allowed to install by being arranged on valve body pedestal
The third channel that chamber is connected, when adjusting high-pressure stop valve to when leading to hydrogen at pressure reducing valve, pressure maintaining valve can by third channel
The Hydrogen Vapor Pressure that high pressure gas cylinder reaches high-pressure stop valve is adjusted to a metastable range, convenient for relatively stable to subtracting
Hydrogen is passed through at pressure valve.
Preferably, the side wall of the valve body pedestal is equipped with the 5th installation cavity being connected with valve body base interior, institute
It states the 5th installation cavity and is connected with first interface by the fourth lane being arranged on valve body pedestal, set in the 5th installation cavity
There is safety valve.It is set at fourth lane on the valve body pedestal there are two second interface, is respectively equipped with pressure at two second interfaces
Force snesor and temperature sensor.Pressure sensor and temperature sensor can be at real-time monitoring high pressure gas cylinders by fourth lane
Pressure value and temperature value, and the temperature value monitored and pressure value are transmitted in external acquisition drive control circuit, if
Pressure value is excessively high, then acquires drive control circuit safety valve pressure release, guarantees the pressure security in high pressure gas cylinder, if temperature value
It is excessively high, then drive control circuit alarm equipment alarm is acquired, takes relief measure in time convenient for personnel.
Preferably, the end of the pressure reducing valve is equipped with pressure adjusting lever.Pressure adjusting lever can be to the decompression of pressure reducing valve
Performance carries out fine adjustments, realizes the accurate Pressure reducing ratio of pressure reducing valve.
Preferably, the end of the valve body pedestal is equipped with cylindrical seat, the valve body pedestal is structure as a whole with cylindrical seat,
The end of cylindrical seat is arranged in the first interface, and the outer wall of the cylindrical seat is equipped with and the internal screw thread on high pressure gas cylinder bottleneck
The external screw thread to match.Integral structure is threadedly coupled convenient and efficient for the ease of processing and manufacturing.
Preferably, the connection of the junction of the high-pressure stop valve and the first installation cavity, pressure reducing valve and the second installation cavity
Place, charge valve and the junction of third installation cavity and pressure maintaining valve and the 4th installation cavity junction be equipped with it is mutually arranged side by side O-shaped
Sealing ring and retaining ring, the retaining ring are located at the low-pressure side of junction.O-ring seal sealing effect is preferable, and retaining ring can prevent
Big air pressure is deformed influence to O-ring seal, guarantees the good seal operation of O-ring seal.
Preferably, being equipped with filter at the first interface.Filter can prevent the impurity foreign matter in high pressure gas cylinder
Enter valve body pedestal with hydrogen, prevents from generating blocking to the airflow channel in valve body pedestal.
Preferably, the valve body pedestal and cylindrical seat are made of aluminum alloy material；The high-pressure stop valve, pressure reducing valve,
Charge valve and pressure maintaining valve are made of nickeliferous stainless steel material.Aluminum alloy material makes cylinder valve total quality lighter, is suitble at nobody
Used on machine, wherein aluminium alloy is also high-intensitive aluminium alloy, can prevent the corrosion of hydrogen, avoid also need after corrosion into
The anodized trouble of row；Nickel and stainless steel material also has preferable corrosion resistance.
Preferably, the connection between second installation cavity and pressure reducing valve is to be threadedly coupled or be clamped.It is easy to connect.
The invention has the following beneficial effects:
(1) by the way that the first installation cavity and the second installation cavity are arranged on valve body pedestal, high-pressure stop valve is arranged first
In installation cavity, pressure reducing valve is arranged in the second installation cavity, so that valve body pedestal is integrated into high-pressure stop valve and pressure reducing valve
One, has the characteristics that small volume；After making the air pressure of 420bar in high pressure gas cylinder become 0.5bar by the way that pressure reducing valve is arranged,
It is exported by outlet interface to hydrogen fuel cell, decompression is relatively high, has preferable pressure flow characteristics auto, so that the gas of hydrogen output
Press stability preferable；It is logical by the way that the second installation cavity can be allowed to be connected with the first installation cavity first is arranged on valve body pedestal
High pressure gas cylinder is adjusted by the hydrogen flowing quantity that first passage reaches pressure reducing valve by high-pressure stop valve, makes to obtain for road
It can be fully utilized up to all hydrogen at hydrogen fuel cell, improve the utilization rate of hydrogen, to the control efficiency of hydrogen flowing quantity
It is higher；The control of high-pressure stop valve opening and the decompression of pressure reducing valve, so that, air pressure suitable by the hydrogen flowing quantity that outlet interface exports
Stablize, can satisfy the best demand of hydrogen fuel cell, ensure that the safe operation of unmanned plane, has safety preferably special
Point, while also can be realized the emptying to hydrogen in high pressure gas cylinder at pressure reducing valve, in order to be detected and tieed up to high pressure gas cylinder
Shield；
(2) by the way that third installation cavity is arranged on the side wall of valve body pedestal, charge valve is set in third installation cavity, is had
Higher integration, so that cylinder valve small volume；Third installation cavity and first can be allowed to install by being arranged on valve body pedestal
The second channel that chamber is connected can directly fill hydrogen from second channel from charge valve into high pressure gas cylinder, fill hydrogen
It is convenient and efficient, no replacement is required high pressure gas cylinder；By the way that the 4th installation cavity is arranged on the side wall of valve body pedestal, in the 4th installation cavity
Pressure maintaining valve, integration with higher, so that cylinder valve small volume are set；The 4th can be allowed to pacify by being arranged on valve body pedestal
It behave affectedly the third channel being connected with the first installation cavity, when adjusting high-pressure stop valve to when leading to hydrogen at pressure reducing valve, pressure maintaining valve is logical
Crossing third channel can be adjusted the Hydrogen Vapor Pressure of high pressure gas cylinder arrival high-pressure stop valve to a metastable range, be convenient for
It is relatively stable to being passed through hydrogen at pressure reducing valve；If pressure value is excessively high, safety valve can timely pressure release, guarantee high pressure gas cylinder in
Pressure security；
(3) pressure adjusting lever can be carried out fine adjustments to the dysbaric of pressure reducing valve, realize that pressure reducing valve accurately depressurizes
Than；Integral structure is threadedly coupled convenient and efficient for the ease of processing and manufacturing；O-ring seal sealing effect is preferable, and retaining ring can
It prevents excessive air pressure to be deformed influence to O-ring seal, guarantees the good seal operation of O-ring seal；Aluminum alloy material
So that cylinder valve total quality is lighter, it is suitble to use on unmanned plane, wherein aluminium alloy is also high-intensitive aluminium alloy, can be prevented
The corrosion of hydrogen also needs to carry out anodized trouble after avoiding corrosion；Nickel and stainless steel material also has preferable anti-
Corrosive nature.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the working principle of the invention figure.
The label in accompanying drawing is: 1- valve body pedestal, the first installation cavity of 2-, 3- high-pressure stop valve, 4- first interface, 5- second
Installation cavity, 6- first passage, 7- high pressure gas cylinder, 8- pressure reducing valve, 9- outlet interface, 10- third installation cavity, 11- second channel,
12- charge valve, the 4th installation cavity of 13-, 14- third channel, 15- pressure maintaining valve, the 5th installation cavity of 16-, 17- fourth lane, 18- peace
Full valve, 19- pressure adjusting lever, 20- cylindrical seat.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to
According to.
Hydrogen fuel cell unmanned plane high pressure gas cylinder cylinder valve as depicted in figs. 1 and 2, including valve body pedestal 1, valve body pedestal
Side wall is equipped with the first installation cavity 2 being connected with valve body base interior, is equipped with high-pressure stop valve 3, high pressure in the first installation cavity
One end of shut-off valve is located at the outside of valve body pedestal, and the other end of high-pressure stop valve is located at the inside of valve body pedestal, valve body pedestal
Both ends be respectively equipped with first interface 4 and the second installation cavity 5, the second installation cavity and the first installation cavity are by being arranged in valve body pedestal
On first passage 6 be connected, first interface is connect with high pressure gas cylinder 7, pressure reducing valve 8 is equipped in the second installation cavity, on pressure reducing valve
Equipped with outlet interface 9.The side wall of valve body pedestal is equipped with the third installation cavity 10 being connected with valve body base interior, third installation
Chamber passes through the second channel 11 being arranged on valve body pedestal with the first installation cavity and is connected, and charge valve is equipped in third installation cavity
12.The side wall of valve body pedestal is equipped with the 4th installation cavity 13 being connected with valve body base interior, the 4th installation cavity and the first peace
It behave affectedly and is connected by the third channel 14 being arranged on valve body pedestal, pressure maintaining valve 15 is equipped in the 4th installation cavity.Valve body pedestal
Side wall be equipped with the 5th installation cavity 16 that is connected with valve body base interior, the 5th installation cavity and the first installation cavity pass through setting
Fourth lane 17 on valve body pedestal is connected, and safety valve 18 is equipped in the 5th installation cavity.The end of pressure reducing valve is equipped with pressure
Adjusting rod 19.The end of valve body pedestal is equipped with cylindrical seat 20, and valve body pedestal is structure as a whole with cylindrical seat, and first interface setting exists
The end of cylindrical seat, the outer wall of cylindrical seat are equipped with the external screw thread to match with the internal screw thread on high pressure gas cylinder bottleneck.High pressure is cut
The only connection of the junction of valve and the first installation cavity, the junction of pressure reducing valve and the second installation cavity, charge valve and third installation cavity
Place and the junction of pressure maintaining valve and the 4th installation cavity are equipped with O-ring seal and retaining ring mutually arranged side by side, and retaining ring is located at junction
Low-pressure side.Filter is equipped at first interface.Valve body pedestal and cylindrical seat are made of aluminum alloy material；High-pressure stop valve subtracts
Pressure valve, charge valve, pressure maintaining valve and safety valve are made of nickeliferous stainless steel material.Connection between second installation cavity and pressure reducing valve
To be threadedly coupled or being clamped.
The operation principle of the present invention is that:
High pressure gas cylinder 7 is threaded at the first interface 4 of valve body pedestal 1, then by high-pressure stop valve 3, pressure reducing valve 8,
Charge valve 12, pressure maintaining valve 15 and safety valve 18 are threaded on valve body pedestal, and valve body pedestal is finally connected to unmanned plane
Hydrogen fuel cell on, open the valve switch of high pressure gas cylinder, high pressure hydrogen enters in cylindrical seat 20, opens high-pressure stop manually
After valve, high pressure hydrogen will arrive separately at pressure reducing valve, charge valve, pressure maintaining valve and arranged at safety valve, pressure maintaining valve pair by corresponding channel
Stablized into the air pressure at pressure reducing valve so that the air pressure of pressure reducing valve upstream end be it is constant, high pressure hydrogen pass through pressure reducing valve
It is converted into the hydrogen for needing air pressure afterwards, hydrogen fuel cell is finally reached by outlet interface 9, provides stable conjunction for hydrogen fuel cell
Suitable hydrogen is equipped with pressure sensor in arranged at safety valve, can air pressure in real-time monitoring high pressure gas cylinder, when air pressure is excessively high
When, acquisition drive control circuit safety valve automatic opening suitably discharges pressure, helps the air pressure in high pressure gas cylinder
Safety and stability acquires drive control circuit alarm equipment alarm when air pressure is too low, reminds personnel in time into high pressure gas cylinder
Inputting hydrogen, charge valve is check valve, for filling hydrogen into high pressure gas cylinder.
The high pressure chest of pressure reducing valve 8 is communicated with high pressure gas cylinder 7, and low pressure chamber is outlet interface 9, and leads to hydrogen fuel cell, is subtracted
The adjusting of pressure valve pressure can be adjusted by pressure adjusting lever 19 and be controlled, and when use first opens high pressure gas cylinder master switch, then rotation pressure
Draft control lever makes it compress main spring and drive thin film, spring cushion block and mandril and open valve, the high pressure gas entered in this way
Body enters outlet interface by hyperbaric chamber after expenditure and pressure, and leads to hydrogen fuel cell, the mating pressure stabilizing of pressure reducing valve 8 through outlet interface
Valve 15 can protect pressure reducing valve and use pressure reducing valve safely.High-pressure stop valve 3 is Manual high-pressure cut-off valve.Valve body pedestal 1 is
High-strength aluminum alloy, to prevent hydrogen-type corrosion from need to carry out anodized trouble, high-pressure stop valve 3, pressure reducing valve 8, charge valve 12,
Pressure maintaining valve 15 and safety valve 18 are made of high nickel content stainless steel material, and all parts are connected to valve body base in the form of screw thread
On seat, charge valve is connected by second channel 11 with the connection air flue on valve body pedestal, constitutes safety filling channel, charge valve can
Just to yearn for inflating gas cylinder, fill valve is constituted；Pressure reducing valve is connected by first passage 6 with the connection air flue on valve body pedestal, structure
At excess temperature safety exhaust channel；High-pressure stop valve is connected with the connection air flue on valve body pedestal, constitutes manual under fault mode
Safety exhaust channel；Safety valve is connected by fourth lane 17 with the connection air flue on valve body pedestal, together with pressure sensor
Row is at pressure on-line checking, and temperature sensor is arranged at the air inlet of valve body pedestal, formation temperature on-line checking channel；It is O-shaped
Circle and retaining ring provide seal isolation for internal high pressure and external normal pressure；High-pressure stop valve, pressure reducing valve, charge valve, pressure maintaining valve and peace
Full valve is made of the stainless steel material of high nickel content.
The invention has the following beneficial effects: (1) by the way that the first installation cavity 2 and the second installation are arranged on valve body pedestal 1
High-pressure stop valve 3 is arranged in the first installation cavity chamber 5, pressure reducing valve 8 is arranged in the second installation cavity, thus by valve body base
Seat becomes one with high-pressure stop valve and pressure reducing valve, has the characteristics that small volume；Make high pressure gas by the way that pressure reducing valve is arranged
After the air pressure of 420bar becomes 0.5bar in bottle, by the output of outlet interface 9 to hydrogen fuel cell, decompression is relatively high, has preferable
Pressure flow characteristics auto so that hydrogen output stable gas pressure it is preferable；The second peace can be allowed by being arranged on valve body pedestal
It behave affectedly the first passage 6 being connected with the first installation cavity, high pressure gas cylinder is subtracted by first passage arrival by high-pressure stop valve
Hydrogen flowing quantity at pressure valve is adjusted, so that all hydrogen reached at hydrogen fuel cell can be fully utilized, improves hydrogen
The utilization rate of gas is higher to the control efficiency of hydrogen flowing quantity；The control of high-pressure stop valve opening and the decompression of pressure reducing valve, so that by
The hydrogen flowing quantity of outlet interface output is suitable, and stable gas pressure can satisfy the best demand of hydrogen fuel cell, ensure that unmanned plane
Safe operation, have the characteristics that safety is preferable, while also can be realized at pressure reducing valve and putting to hydrogen in high pressure gas cylinder 7
Sky, in order to be detected and safeguarded to high pressure gas cylinder；(2) by the way that third installation cavity 10 is arranged on the side wall of valve body pedestal,
Charge valve 12, integration with higher, so that cylinder valve small volume are set in third installation cavity；By on valve body pedestal
The second channel 11 that third installation cavity can be allowed to be connected with the first installation cavity is set, it can be straight by second channel from charge valve
It connects and fills hydrogen into high pressure gas cylinder, filling hydrogen is convenient and efficient, no replacement is required high pressure gas cylinder；Pass through the side wall in valve body pedestal
The 4th installation cavity 13 of upper setting, in the 4th installation cavity be arranged pressure maintaining valve 15, integration with higher so that cylinder valve volume compared with
It is small；By the way that the third channel 14 that the 4th installation cavity can be allowed to be connected with the first installation cavity is arranged on valve body pedestal, work as adjusting
High-pressure stop valve is to when logical hydrogen, high pressure gas cylinder can be reached high-pressure stop valve by third channel by pressure maintaining valve at pressure reducing valve
Hydrogen Vapor Pressure is adjusted to a metastable range, convenient for relatively stable to being passed through hydrogen at pressure reducing valve；If pressure value mistake
Height, then safety valve 18 can timely pressure release, guarantee high pressure gas cylinder in pressure security；(3) pressure adjusting lever 19 can be to decompression
The dysbaric of valve can be carried out fine adjustments, realize the accurate Pressure reducing ratio of pressure reducing valve；Integral structure is for the ease of processing and manufacturing, spiral shell
Line is convenient and fast connection；O-ring seal sealing effect is preferable, and retaining ring can prevent excessive air pressure from generating change to O-ring seal
Shape influences, and guarantees the good seal operation of O-ring seal；Aluminum alloy material makes cylinder valve total quality lighter, is suitble at nobody
Used on machine, wherein aluminium alloy is also high-intensitive aluminium alloy, can prevent the corrosion of hydrogen, avoid also need after corrosion into
The anodized trouble of row；Nickel and stainless steel material also has preferable corrosion resistance；(4) hydrogen fuel cell is substantially prolonged
The course continuation mileage of unmanned plane and time；Design is very exquisite, and product quality is even more ultralight, and hydrogen combustion is fully met in performance indicator
Expect the application standard of battery unmanned plane；Using unique circuit design theory development；Use for reference space travel lighting design, product
Quality is only 198g；Pressure reducing ratio is high, and input pressure is more than 420bar, and output pressure has pressure well at least more than 0.5bar
Force flow flow characteristic；Maintainability is good；It fills and discharges suitable for high pressure hydrogen, can be used for hydrogen fuel cell unmanned plane High Pressure Hydrogen tracheae
The filling and discharge of reason system mesohigh hydrogen, it can also be used to which mobile hydrogenation stations carry out filling management to hydrogen.
Claims (10)
1. hydrogen fuel cell unmanned plane high pressure gas cylinder cylinder valve, it is characterized in that: including valve body pedestal (1), the side of the valve body pedestal
Wall is equipped with the first installation cavity (2) being connected with valve body base interior, is equipped with high-pressure stop valve in first installation cavity
(3), one end of the high-pressure stop valve is located at the outside of valve body pedestal, and the other end of the high-pressure stop valve is located at valve body pedestal
Inside, the both ends of the valve body pedestal are respectively equipped with first interface (4) and the second installation cavity (5), second installation cavity with
First installation cavity passes through the first passage (6) being arranged on valve body pedestal and is connected, and the first interface and high pressure gas cylinder (7) are even
It connects, is equipped with pressure reducing valve (8) in second installation cavity, the pressure reducing valve is equipped with outlet interface (9).
2. hydrogen fuel cell unmanned plane high pressure gas cylinder cylinder valve according to claim 1, it is characterized in that: the valve body pedestal
Side wall is equipped with the third installation cavity (10) being connected with valve body base interior, and the third installation cavity passes through with the first installation cavity
The second channel (11) being arranged on valve body pedestal is connected, and is equipped with charge valve (12) in the third installation cavity.
3. hydrogen fuel cell unmanned plane high pressure gas cylinder cylinder valve according to claim 2, it is characterized in that: the valve body pedestal
Side wall is equipped with the 4th installation cavity (13) being connected with valve body base interior, and the 4th installation cavity passes through with the first installation cavity
The third channel (14) being arranged on valve body pedestal is connected, and is equipped with pressure maintaining valve (15) in the 4th installation cavity.
4. hydrogen fuel cell unmanned plane high pressure gas cylinder cylinder valve according to claim 3, it is characterized in that: the valve body pedestal
Side wall is equipped with the 5th installation cavity (16) being connected with valve body base interior, and the 5th installation cavity passes through with the first installation cavity
The fourth lane (17) being arranged on valve body pedestal is connected, and is equipped with safety valve (18) in the 5th installation cavity.
5. hydrogen fuel cell unmanned plane high pressure gas cylinder cylinder valve according to claim 3 or 4, it is characterized in that: the pressure reducing valve
End be equipped with pressure adjusting lever (19).
6. hydrogen fuel cell unmanned plane high pressure gas cylinder cylinder valve according to claim 4, it is characterized in that: the valve body pedestal
End is equipped with cylindrical seat (20), and the valve body pedestal is structure as a whole with cylindrical seat, and cylindrical seat is arranged in the first interface
End, the outer wall of the cylindrical seat are equipped with the external screw thread to match with the internal screw thread on high pressure gas cylinder bottleneck.
7. hydrogen fuel cell unmanned plane high pressure gas cylinder cylinder valve according to claim 4, it is characterized in that: the high-pressure stop valve
With the junction of the junction of the first installation cavity, the junction of pressure reducing valve and the second installation cavity, charge valve and third installation cavity with
And the junction of pressure maintaining valve and the 4th installation cavity is equipped with O-ring seal and retaining ring mutually arranged side by side, the retaining ring is located at junction
Low-pressure side.
8. hydrogen fuel cell unmanned plane high pressure gas cylinder cylinder valve according to claim 1, it is characterized in that: at the first interface
Equipped with filter.
9. hydrogen fuel cell unmanned plane high pressure gas cylinder cylinder valve according to claim 6, it is characterized in that: the valve body pedestal and
Cylindrical seat is made of aluminum alloy material；The high-pressure stop valve, pressure reducing valve, charge valve, pressure maintaining valve and safety valve by it is nickeliferous not
Steel material of becoming rusty is constituted.
10. hydrogen fuel cell unmanned plane high pressure gas cylinder cylinder valve described according to claim 1 or 2 or 3 or 4 or 6 or 7 or 8 or 9,
It is characterized in that: the connection between second installation cavity and pressure reducing valve is to be threadedly coupled or be clamped.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810778562.7A CN108953994A (en) | 2018-07-16 | 2018-07-16 | Hydrogen fuel cell unmanned plane high pressure gas cylinder cylinder valve |
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| CN201810778562.7A CN108953994A (en) | 2018-07-16 | 2018-07-16 | Hydrogen fuel cell unmanned plane high pressure gas cylinder cylinder valve |
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| CN201810778562.7A Pending CN108953994A (en) | 2018-07-16 | 2018-07-16 | Hydrogen fuel cell unmanned plane high pressure gas cylinder cylinder valve |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109538933A (en) * | 2018-12-29 | 2019-03-29 | 武汉格罗夫氢能汽车有限公司 | A kind of shared cylinder valve component of multiple hydrogen storage bottles |
| CN110207007A (en) * | 2019-07-02 | 2019-09-06 | 广州从化中燃城市燃气发展有限公司 | A kind of CNG gas storage well compressed natural gas recovery system and its control method |
| CN113028270A (en) * | 2021-03-16 | 2021-06-25 | 永安行科技股份有限公司 | Hydrogen storage device with identity recognition function and hydrogen fuel electric bicycle |
| CN113063001A (en) * | 2021-03-16 | 2021-07-02 | 永安行科技股份有限公司 | Multifunctional low-pressure integrated valve and control method thereof |
| CN113063090A (en) * | 2021-03-16 | 2021-07-02 | 永安行科技股份有限公司 | Hydrogen storage device and hydrogen fuel electric bicycle thereof |
| CN114542971A (en) * | 2020-11-26 | 2022-05-27 | 未势能源科技有限公司 | High-pressure cylinder valve and gas cylinder |
| RU2809957C1 (en) * | 2023-05-10 | 2023-12-19 | Павел Русланович Андреев | Aircraft |
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| CN113028270A (en) * | 2021-03-16 | 2021-06-25 | 永安行科技股份有限公司 | Hydrogen storage device with identity recognition function and hydrogen fuel electric bicycle |
| CN113063001A (en) * | 2021-03-16 | 2021-07-02 | 永安行科技股份有限公司 | Multifunctional low-pressure integrated valve and control method thereof |
| CN113063090A (en) * | 2021-03-16 | 2021-07-02 | 永安行科技股份有限公司 | Hydrogen storage device and hydrogen fuel electric bicycle thereof |
| RU2809957C1 (en) * | 2023-05-10 | 2023-12-19 | Павел Русланович Андреев | Aircraft |
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Application publication date: 20181207 |