CN116292992A - Hydrogen bottleneck valve integrated with novel flow limiting valve - Google Patents

Hydrogen bottleneck valve integrated with novel flow limiting valve Download PDF

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Publication number
CN116292992A
CN116292992A CN202310306463.XA CN202310306463A CN116292992A CN 116292992 A CN116292992 A CN 116292992A CN 202310306463 A CN202310306463 A CN 202310306463A CN 116292992 A CN116292992 A CN 116292992A
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CN
China
Prior art keywords
valve
inflation
flow limiting
pressure
piston
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Pending
Application number
CN202310306463.XA
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Chinese (zh)
Inventor
徐楠
林茹
林学新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Shenhydrochen Technology Co ltd
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Jiangsu Shenhydrochen Technology Co ltd
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Priority to CN202310306463.XA priority Critical patent/CN116292992A/en
Publication of CN116292992A publication Critical patent/CN116292992A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/10Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
    • F16K11/20Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
    • F16K11/24Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an electromagnetically-operated valve, e.g. for washing machines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00Check valves
    • F16K15/18Check valves with actuating mechanism; Combined check valves and actuated valves
    • F16K15/182Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/20Excess-flow valves
    • F16K17/22Excess-flow valves actuated by the difference of pressure between two places in the flow line
    • F16K17/24Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
    • F16K17/28Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
    • F16K17/30Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0025Electrical or magnetic means
    • F16K37/005Electrical or magnetic means for measuring fluid parameters
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/32Hydrogen storage

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

The invention discloses a hydrogen bottleneck valve integrating a novel flow limiting valve, which comprises the following components: a main valve; a high-pressure electromagnetic switch valve manual stop valve; an inflation inlet; a transverse inflation channel; an inflation and deflation integrated channel; the side of main valve is seted up to the inflation inlet, fill the vertical seting up of gassing integrative passageway in the intermediate position of main valve, the inflation inlet passes through horizontal inflation passageway with fill gassing integrative passageway intercommunication, the upper end of filling gassing integrative passageway is equipped with manual stop valve, the downside of filling gassing integrative passageway is equipped with high voltage electromagnetic switch valve, high voltage electromagnetic switch valve control under the air feed operating mode the break-make of filling gassing integrative passageway, high voltage electromagnetic switch valve has the function of check valve.

Description

Hydrogen bottleneck valve integrated with novel flow limiting valve
Technical Field
The invention relates to the field of air valves, in particular to a hydrogen bottleneck valve integrated with a novel flow limiting valve.
Background
Most of bottleneck valves in the market are external pipelines on a main valve body of the bottleneck valve, and functional valves and other components with corresponding functions are connected to the pipelines. Products are also known in which part of the functional valve members and components are integrated into the main valve;
the bottleneck valve of the existing structure has the following defects:
the number of external pipelines is large, the arrangement is complex, and the bottleneck valve comprises external functional valve elements and components, so that the occupied space is large; because the number of connecting points is relatively large, the number of hydrogen leakage points is also large, and the safety risk is increased; the bottleneck valve product of the valve element with the integrated function of the partial main valve has the advantages that the design structure of an independent valve element is adopted, the size of the valve element is large, the structure is complex, and mass production is not easy to realize.
Disclosure of Invention
The invention aims to provide a hydrogen bottleneck valve integrated with a novel flow limiting valve, so as to solve the problems in the background art.
Based on the thought, the invention provides the following technical scheme: a hydrogen neck valve integrating a novel restrictor valve, comprising: a main valve; a high-pressure electromagnetic switch valve manual stop valve; an inflation inlet; a transverse inflation channel; an inflation and deflation integrated channel; the air charging port is arranged on the side surface of the main valve, the air charging and discharging integrated channel is vertically arranged in the middle of the main valve, the air charging port is communicated with the air charging and discharging integrated channel through the transverse air charging channel, the upper end of the air charging and discharging integrated channel is provided with the manual stop valve, the lower side of the air charging and discharging integrated channel is provided with the high-pressure electromagnetic switch valve, the high-pressure electromagnetic switch valve controls the on-off of the air charging and discharging integrated channel under the air supply working condition, and the high-pressure electromagnetic switch valve has the function of a one-way valve; the manual shut-off valve is used for shutting off the flow of fluid or gas in a pipeline, and is used for emergency operation in the application, and is used for high-voltage electric switch valve failure; controlling the flow of fluid or gas in the conduit by rotating the valve; when the valve is closed, the sealing gasket inside the valve can be in contact with the valve base, so that the flow of fluid or gas is cut off; when the valve is opened, fluid or gas can flow through the pore canal of the valve; the manual stop valve generally adopts a hand wheel or a handle and other manual devices to control the opening and closing of the valve, is simple and convenient to operate, has high reliability, and is suitable for various occasions.
Preferably, the gas pressure inside the main valve closes the gas charging and discharging integrated passage in the non-energized state to block the gas leakage inside the gas storage bottle.
Preferably, the manual stop valve further comprises a filter element, wherein a first connecting channel is arranged in the inner cavity of the manual stop valve, and the first connecting channel is communicated with the filter element arranged on the side face of the main valve.
Preferably, the filter element further comprises a flow limiting valve, a second connecting channel and a mounting hole, wherein the flow limiting valve is mounted on the side wall of the valve body through the mounting hole, and the second connecting channel which is used for being communicated with the filter element is formed in the bottom of the mounting hole.
Preferably, the restrictor valve comprises an interface for connection with an external component.
Preferably, the device further comprises a heat release device and a release port, wherein the heat release device releases high-pressure gas from the release port in a high-temperature environment; the heat release device senses the ambient temperature through an external temperature sensor of a temperature sensor mounting interface, when the temperature exceeds a certain threshold value, the thermosensitive element triggers the heat release device, a release port in the device is opened, and high-pressure gas is released from the release port so as to relieve the pressure in the gas bottle; the temperature sensor is a core component of the heat release device, can sense the temperature change of the surrounding environment, and when the ambient temperature exceeds the trigger temperature set by the thermosensitive element, the thermosensitive element triggers the valve so as to open the valve and release gas; the valve is responsible for controlling the release of the gas, and is usually realized by a spring or other mechanical structures; the thermal relief device is typically comprised of a thermal protection material, a fuse, and a release mechanism. When the carrier is affected by heat, pressure or other abnormal conditions, the fuse will blow, triggering the release mechanism to release the thermal protection material. The thermal protection material can absorb heat and relieve the thermal load of the carrier and the load thereof, thereby protecting the carrier from damage.
Preferably, the high-pressure electromagnetic valve further comprises a pressure sensor mounting interface, a temperature sensor mounting interface, a wire harness mounting hole and an external interface, wherein the external interface is arranged outside the discharge port, the pressure sensor mounting interface and the temperature sensor mounting interface are integrated on the valve body, and the wire harness mounting hole is used for mounting the high-pressure electromagnetic switch valve; externally connecting a pressure sensor through the pressure sensor; monitoring the pressure condition inside the valve body and outputting a corresponding signal; the pressure sensor in the valve body can monitor the pressure change condition in the valve body in real time, and the monitored data are converted into electric signals to be output to the control system, so that under the control of the control system, the opening and closing degree of the high-voltage electric switch valve can be adjusted according to the pressure condition in the valve body, and the flow and the pressure of a pipeline medium are controlled; the high-pressure electromagnetic switch valve is based on the following principle: and (3) electrifying an electromagnet: when the electromagnet is electrified, current passes through the coil to generate a magnetic field, so that the electromagnet generates attractive force; opening a valve: the electromagnet attractive force enables the iron core to move downwards, the valve is pulled to be opened, and the fluid medium starts to flow; and (5) disconnecting the power supply: when the electromagnet is powered off, the magnetic field disappears, the restoring force of the spring enables the iron core to move upwards, the valve is closed, the fluid medium through flow is stopped, and whether the pressure input by the pressure sensor exceeds a threshold value or not is used as a variable.
Pressure sensors in valve bodies have found wide application in automated control systems. For example, in industrial production, the pressure sensor in the valve body can monitor the flow condition of the medium in the pipeline, and control the opening and closing of the valve to ensure the flow and pressure stability of the medium in the production process. In the water supply system, the pressure sensor in the valve body can control water flow and water pressure so as to ensure the normal operation of the water supply system.
Preferably, the flow limiting valve comprises a valve body, a piston and a spring, wherein a piston cavity is arranged in the valve body, the bottom of the piston cavity is a conical seat surface, the piston is connected in the valve body in a sliding manner, the top of the piston is conical, the conical shape of the top of the piston is sealed with the conical seat surface of the valve body, a blind hole is arranged at the bottom of the piston, two radial small holes are formed at the end of the blind hole, the small holes are communicated with an inlet and an outlet of the flow limiting valve, and the spring for pushing the piston is arranged in the valve body;
during normal operation, the medium pressure at the inlet and the outlet of the flow limiting valve is close, the pressure difference is small, and the spring presses the piston on the base; when the downstream pressure of the flow limiting valve suddenly drops, for example, larger leakage occurs, the medium is replenished downstream slowly due to the small hole throttling effect at the top of the piston, the downstream pressure drops, the piston is pushed to the conical seat surface under the action of the inlet pressure, the flow limiting valve is closed, and the gas path is cut off; when the upstream-downstream pressure difference is eliminated, the flow limiting valve can be opened again under the action of spring force; the downstream pressure drop is small and the piston has been compensated before it reaches the conical seat, the piston returning to the seat under the spring force.
Compared with the prior art, the invention has the beneficial effects that:
1. the inflation inlet is arranged on the side surface of the main valve and communicated with the inflation and deflation integrated passage through the transverse inflation passage. The high-pressure electromagnetic switch valve controls the on-off of the air charging and discharging integrated channel and has the function of a one-way valve.
2. In the non-energized state, the gas pressure inside the main valve closes the gas filling and discharging integrated passage to block gas leakage. The restrictor valve prevents excess hydrogen from flowing out.
3. The flow limiting valve is arranged in the valve body, so that the pressure balancing function is realized when the up-down pressure difference in the valve body is overlarge, and the safety is high.
Drawings
FIG. 1 is a schematic diagram of the main structure of a hydrogen bottleneck valve integrated with a novel flow limiting valve;
FIG. 2 is a side cross-sectional view of a hydrogen neck finish valve incorporating a novel restrictor valve of the present invention;
FIG. 3 is a cross-sectional view of a hydrogen neck finish valve incorporating a novel restrictor valve of the present invention;
FIG. 4 is a schematic diagram of the flow restrictor valve of the hydrogen bottleneck valve of the integrated novel flow restrictor valve of the present invention in normal operation;
FIG. 5 is a schematic diagram of a flow restrictor valve of the present invention integrated with a novel flow restrictor valve with a sudden large drop in pressure downstream of the flow restrictor valve;
FIG. 6 shows the flow restrictor valve of the present invention integrated with the novel flow restrictor valve after the upstream and downstream pressure differences of the flow restrictor valve are eliminated.
In the figure: 1. a main valve; 2. a temperature sensor mounting interface; 3. a harness installation hole; 4. a first external interface; 5. a second external interface; 6. a pressure sensor mounting interface; 7. a high-pressure electromagnetic switching valve; 8. a filter element; 9. a first communication channel; 10. a manual shut-off valve; 11. an inflation inlet; 12. a transverse inflation channel; 13. an inflation and deflation integrated channel; 14. a second connecting channel; 15. a mounting hole; 16. an interface; 17. a flow limiting valve; 18. a heat drain; 19. a bleed port; 20. a spring; 21. a piston; 22. and a valve body.
Detailed Description
Example 1
1-6, a hydrogen neck valve incorporating a novel restrictor valve, comprising: a main valve 1; a high-pressure electromagnetic switch valve 7 is a manual stop valve 10; an inflation inlet 11; a transverse inflation channel 12; an inflation and deflation integrated passage 13; the inflation inlet 11 is formed in the side face of the main valve 1, the inflation and deflation integrated channel 13 is vertically formed in the middle position of the main valve 1, the inflation inlet 11 is communicated with the inflation and deflation integrated channel 13 through the transverse inflation channel 12, the upper end of the inflation and deflation integrated channel 13 is provided with the manual stop valve 10, the lower side of the inflation and deflation integrated channel 13 is provided with the high-voltage electromagnetic switch valve 7, the high-voltage electromagnetic switch valve 7 controls the on-off of the inflation and deflation integrated channel 13 under the air supply working condition, and the high-voltage electromagnetic switch valve 7 has the function of a one-way valve; the manual shut-off valve is used for shutting off the flow of fluid or gas in a pipeline, and is used for emergency operation in the application, and is used for high-voltage electric switch valve failure; controlling the flow of fluid or gas in the conduit by rotating the valve; when the valve is closed, the sealing gasket inside the valve can be in contact with the valve base, so that the flow of fluid or gas is cut off; when the valve is opened, fluid or gas can flow through the pore canal of the valve; the manual stop valve generally adopts a hand wheel or a handle and other manual devices to control the opening and closing of the valve, is simple and convenient to operate, has high reliability, and is suitable for various occasions.
Preferably, the gas pressure inside the main valve 1 in the non-energized state closes the gas charging and discharging integrated passage 13 to block the gas leakage inside the gas cylinder.
Preferably, the filter element 8 is further included, a first connecting channel 9 is arranged in the inner cavity of the manual stop valve 10, and the first connecting channel 9 is communicated with the filter element 8 arranged on the side surface of the main valve 1.
Preferably, the filter cartridge further comprises a flow limiting valve 17, a second connecting channel 14 and a mounting hole 15, wherein the flow limiting valve 17 is mounted on the side wall of the valve body 1 through the mounting hole 15, and the bottom of the mounting hole 15 is provided with the second connecting channel 14 which is used for being communicated with the filter cartridge 8.
Preferably, the restrictor valve 17 comprises a port 16, the port 16 being adapted for connection with an external component.
Preferably, it also comprises a heat relief device 18 and a relief port 19, said heat relief device 18 releasing high pressure gas from said relief port 19 in a high temperature environment; the heat release device senses the ambient temperature through an external temperature sensor of a temperature sensor mounting interface, when the temperature exceeds a certain threshold value, the thermosensitive element triggers the heat release device, a release port in the device is opened, and high-pressure gas is released from the release port so as to relieve the pressure in the gas bottle; the temperature sensor is a core component of the heat release device, can sense the temperature change of the surrounding environment, and when the ambient temperature exceeds the trigger temperature set by the thermosensitive element, the thermosensitive element triggers the valve so as to open the valve and release gas; the valve is responsible for controlling the release of the gas, and is usually realized by a spring or other mechanical structures; the thermal relief device is typically comprised of a thermal protection material, a fuse, and a release mechanism. When the carrier is affected by heat, pressure or other abnormal conditions, the fuse will blow, triggering the release mechanism to release the thermal protection material. The thermal protection material can absorb heat and relieve the thermal load of the carrier and the load thereof, thereby protecting the carrier from damage.
Preferably, the high-pressure electromagnetic valve further comprises a pressure sensor mounting interface 6, a temperature sensor mounting interface 2, a wire harness mounting hole 3 and an outer interface 4, wherein the outer interface 4 is arranged outside the discharge port, the pressure sensor mounting interface 6 and the temperature sensor mounting interface 2 are integrated on the valve body 1, and the wire harness mounting hole 3 is used for mounting the high-pressure electromagnetic switch valve 7; externally connecting a pressure sensor through the pressure sensor; monitoring the pressure condition inside the valve body and outputting a corresponding signal; the pressure sensor in the valve body can monitor the pressure change condition in the valve body in real time, the monitored data are converted into electric signals to be output to the control system, under the control of the control system, the opening and closing degree of the high-pressure electromagnetic switch valve can be adjusted according to the pressure condition in the valve body, so that the flow and the pressure of a pipeline medium are controlled, and the principle of the high-pressure electromagnetic switch valve is as follows: and (3) electrifying an electromagnet: when the electromagnet is electrified, current passes through the coil to generate a magnetic field, so that the electromagnet generates attractive force; opening a valve: the electromagnet attractive force enables the iron core to move downwards, the valve is pulled to be opened, and the fluid medium starts to flow; and (5) disconnecting the power supply: when the electromagnet is powered off, the magnetic field disappears, the restoring force of the spring enables the iron core to move upwards, the valve is closed, the fluid medium through flow is stopped, and whether the pressure input by the pressure sensor exceeds a threshold value or not is used as a variable.
Preferably, the flow limiting valve 17 comprises a valve body 22, a piston 21 and a spring 20, wherein a piston cavity is arranged in the valve body 22, the bottom of the piston cavity is a conical seat surface, the piston 21 is slidably connected in the valve body 22, the top of the piston 21 is conical, the conical surface at the top of the piston 21 is sealed with the conical seat surface of the valve body 22, a blind hole is arranged at the bottom of the piston 21, two radial small holes are arranged at the end of the blind hole, the small holes are communicated with an inlet and an outlet of the flow limiting valve 17, and the spring 20 for pushing the piston 21 is arranged in the valve body 22;
working principle:
during normal operation, the medium pressure at the inlet and the outlet of the flow limiting valve is close, the pressure difference is small, and the spring presses the piston on the base; when the downstream pressure of the flow limiting valve suddenly drops, for example, larger leakage occurs, the medium is replenished downstream slowly due to the small hole throttling effect at the top of the piston, the downstream pressure drops, the piston is pushed to the conical seat surface under the action of the inlet pressure, the flow limiting valve is closed, and the gas path is cut off; when the upstream-downstream pressure difference is eliminated, the flow limiting valve can be opened again under the action of spring force; the downstream pressure drop is small, the downstream pressure is compensated before the piston reaches the conical seat, and the piston returns to the seat under the action of the spring force; the air port is arranged on the side surface of the main valve and is communicated with the air charging and discharging integrated channel through the transverse air charging channel. The high-pressure electromagnetic switch valve controls the on-off of the air charging and discharging integrated channel and has the function of a one-way valve; in the non-energized state, the gas pressure inside the main valve closes the gas filling and discharging integrated passage to block gas leakage. The flow limiting valve can prevent excessive hydrogen from flowing out; the flow limiting valve is arranged in the valve body to play a role in balancing pressure when the up-down pressure difference is overlarge, so that the safety is high; externally connecting a pressure sensor through the pressure sensor; monitoring the pressure condition inside the valve body and outputting a corresponding signal; the pressure sensor in the valve body can monitor the pressure change condition in the valve body in real time, and the monitored data are converted into electric signals to be output to the control system, so that under the control of the control system, the opening and closing degree of the high-voltage electric switch valve can be adjusted according to the pressure condition in the valve body, and the flow and the pressure of a pipeline medium are controlled; the high-pressure electromagnetic switch valve is based on the following principle: and (3) electrifying an electromagnet: when the electromagnet is electrified, current passes through the coil to generate a magnetic field, so that the electromagnet generates attractive force; opening a valve: the electromagnet attractive force enables the iron core to move downwards, the valve is pulled to be opened, and the fluid medium starts to flow; and (5) disconnecting the power supply: when the electromagnet is powered off, the magnetic field disappears, the restoring force of the spring enables the iron core to move upwards, the valve is closed, the through flow of the fluid medium is stopped, and whether the pressure input by the pressure sensor exceeds a threshold value or not is taken as a variable; the manual shut-off valve is used for shutting off the flow of fluid or gas in a pipeline, and is used for emergency operation in the application, and is used for high-voltage electric switch valve failure; controlling the flow of fluid or gas in the conduit by rotating the valve; when the valve is closed, the sealing gasket inside the valve can be in contact with the valve base, so that the flow of fluid or gas is cut off; when the valve is opened, fluid or gas can flow through the pore canal of the valve; the manual stop valve generally adopts a hand wheel or a handle and other manual devices to control the opening and closing of the valve, is simple and convenient to operate, has high reliability, and is suitable for various occasions.

Claims (8)

1. A hydrogen finish valve integrating a novel restrictor valve, comprising:
a main valve (1);
high-pressure electromagnetic switch valve (7)
A manual shut-off valve (10);
an inflation inlet (11);
a transverse inflation channel (12);
an inflation and deflation integrated passage (13);
the utility model discloses a high-pressure electromagnetic valve, including main valve (1), inflation inlet (11), high-pressure electromagnetic valve (7), inflation inlet (11), inflation outlet (11), inflation inlet (11) are seted up the side of main valve (1), the vertical seting up of inflation outlet (13) the intermediate position of main valve (1), inflation inlet (11) pass through horizontal inflation passageway (12) with inflation outlet (13) intercommunication, the upper end of inflation outlet (13) is equipped with manual stop valve (10), the downside of inflation outlet (13) is equipped with high-pressure electromagnetic valve (7), high-pressure electromagnetic valve (7) control air feed condition is down the break-make of inflation outlet (13), high-pressure electromagnetic valve (7) have the function of check valve.
2. The hydrogen bottleneck valve integrated with the novel flow limiting valve according to claim 1, wherein the internal gas pressure of the main valve (1) closes the gas filling and discharging integrated channel (13) in the non-energized state to block gas leakage in the gas storage bottle.
3. The hydrogen bottleneck valve integrated with the novel flow limiting valve according to claim 2, further comprising a filter element (8), wherein a first connecting channel (9) is arranged in an inner cavity of the manual stop valve (10), and the first connecting channel (9) is communicated with the filter element (8) arranged on the side face of the main valve (1).
4. A hydrogen bottleneck valve integrated with a novel flow limiting valve according to claim 3, further comprising a flow limiting valve (17), a second connecting channel (14) and a mounting hole (15), wherein the flow limiting valve (17) is mounted on the side wall of the valve body (1) through the mounting hole (15), and the second connecting channel (14) communicated with the filter element (8) is formed at the bottom of the mounting hole (15).
5. The hydrogen bottleneck valve integrated with the novel flow limiting valve according to claim 4, wherein the flow limiting valve (17) comprises a port (16) and a second external port (5), and the port (16) is used for connecting with an external part connected with the second external port (5).
6. The hydrogen neck finish valve of claim 5, further comprising a heat bleed (18) and a bleed port (19), wherein the heat bleed (18) releases high pressure gas from the bleed port (19) in a high temperature environment.
7. The hydrogen bottleneck valve integrating the novel flow limiting valve according to claim 6, further comprising a pressure sensor mounting interface (6), a temperature sensor mounting interface (2), a wire harness mounting hole (3) and a first external interface (4), wherein the first external interface (4) is arranged on the outer side of the discharge port (19), the pressure sensor mounting interface (6) and the temperature sensor mounting interface (2) are integrated on the valve body (1), and the wire harness mounting hole (3) is used for mounting the high-pressure electromagnetic switch valve (7).
8. The hydrogen bottleneck valve integrating the novel flow limiting valve according to claim 4, wherein the flow limiting valve (17) comprises a valve body (22), a piston (21) and a spring (20), a piston cavity is arranged in the valve body (22), the bottom of the piston cavity is a conical seat surface, the piston (21) is slidably connected in the valve body (22), the top of the piston (21) is conical, the conical shape of the top of the piston (21) is sealed with the conical seat surface of the valve body (22), a blind hole is arranged at the bottom of the piston (21), two radial small holes are arranged at the end of the blind hole, the small holes are communicated with an inlet and an outlet of the flow limiting valve (17), and the spring (20) for pushing the piston (21) is arranged in the valve body (22).
CN202310306463.XA 2023-03-27 2023-03-27 Hydrogen bottleneck valve integrated with novel flow limiting valve Pending CN116292992A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310306463.XA CN116292992A (en) 2023-03-27 2023-03-27 Hydrogen bottleneck valve integrated with novel flow limiting valve

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Application Number Priority Date Filing Date Title
CN202310306463.XA CN116292992A (en) 2023-03-27 2023-03-27 Hydrogen bottleneck valve integrated with novel flow limiting valve

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CN116292992A true CN116292992A (en) 2023-06-23

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CN208024894U (en) * 2018-04-13 2018-10-30 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
CN113513705A (en) * 2021-05-13 2021-10-19 重庆凯瑞动力科技有限公司 High-pressure hydrogen combined bottle mouth valve for vehicle
CN215981991U (en) * 2021-07-08 2022-03-08 亚普汽车部件(开封)有限公司 Gas cylinder valve for vehicle

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CN85201815U (en) * 1985-04-29 1986-03-05 浙江瑞安永久机电研究所 Unidirectional solenoid valve
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
CN208024894U (en) * 2018-04-13 2018-10-30 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
CN113513705A (en) * 2021-05-13 2021-10-19 重庆凯瑞动力科技有限公司 High-pressure hydrogen combined bottle mouth valve for vehicle
CN215981991U (en) * 2021-07-08 2022-03-08 亚普汽车部件(开封)有限公司 Gas cylinder valve for vehicle

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