CN114776875B - Hydrogen flow valve of hydrogen filling station and control method thereof - Google Patents
Hydrogen flow valve of hydrogen filling station and control method thereof Download PDFInfo
- Publication number
- CN114776875B CN114776875B CN202210288471.1A CN202210288471A CN114776875B CN 114776875 B CN114776875 B CN 114776875B CN 202210288471 A CN202210288471 A CN 202210288471A CN 114776875 B CN114776875 B CN 114776875B
- Authority
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- China
- Prior art keywords
- valve
- flow
- valve body
- rod
- monitoring device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 33
- 239000001257 hydrogen Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 230000008859 change Effects 0.000 claims abstract description 6
- 238000012806 monitoring device Methods 0.000 claims description 34
- 230000001105 regulatory effect Effects 0.000 claims description 26
- 230000007246 mechanism Effects 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 230000008054 signal transmission Effects 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 230000004044 response Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/046—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor with electric means, e.g. electric switches, to control the motor or to control a clutch between the valve and the motor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a hydrogen flow valve of a hydrogen filling station and a control method thereof. Compared with the prior art, the invention controls the flow by controlling the pressure, regulates the flow in real time by monitoring the pressure, and controls the pressure while monitoring the pressure change, thereby automatically controlling the pressure within a set range, further achieving the effect of controlling the flow by controlling the pressure, and having popularization and application values.
Description
Technical Field
The invention relates to hydrogen filling equipment, in particular to a hydrogen flow valve of a hydrogen filling station and a control method thereof.
Background
Hydrogen energy is a well-known clean energy source that is standing out as a low and zero carbon energy source. Petroleum, natural gas, coal and petroleum gas are all non-renewable resources, the stock on the earth is limited, along with the increasing of fuel consumption, the stock is reduced, the resources and the energy resources are about to be exhausted in the last day, and people are always inexhaustible of energy resources, so that the development of new energy resources is urgent, and the search of a new energy-containing energy source which is independent of fossil fuel and is rich is urgent. Hydrogen is just such a secondary energy source. However, the current technical problems of developing hydrogen energy are more, and the filling of hydrogen is one of the technical difficulties. In the hydrogen filling process, the quality and safety of the gas filling are affected by the control of the filling flow, and there is room for improvement in the control method.
Disclosure of Invention
The invention aims to provide a hydrogen flow valve of a hydrogen filling station and a control method thereof.
In order to achieve the above purpose, the invention is implemented according to the following technical scheme:
the hydrogen flow valve of the hydrogen filling station comprises a valve body assembly, a flow control mechanism and a flow monitoring device, wherein the flow control mechanism is arranged between an inlet and an outlet of the valve body assembly, and the flow monitoring device is arranged on the valve body assembly.
Further, the valve body assembly comprises valve body outer tube body, valve body air inlet joint, valve body exhaust joint and case, the valve body outer tube body set up in valve body air inlet joint's one end, valve body exhaust joint set up in valve body air inlet joint's one side, the case set up in the valve body air inlet joint, set up on the valve body air inlet joint flow control mechanism and flow monitoring devices.
Further, the valve core comprises case sealing washer, case valve member and valve rod compression spring, the case sealing washer fixed set up in the inboard of valve body outer body, the one end of case valve member with the middle part contact of case sealing washer, the other end of case valve member with valve rod compression spring's one end is connected, valve rod compression spring's the other end with the inner wall contact of valve body air inlet connector, flow control mechanism's control end with case valve member is connected, flow monitoring device's monitoring end with the end connection of case valve member.
Further, the flow control mechanism is composed of a valve rod pressure regulating control rod and a control rod driving motor, a valve rod pressure regulating limiting hole is formed in the middle section of the valve rod piece of the valve core, the middle section of the valve rod pressure regulating control rod penetrates through the valve rod pressure regulating limiting hole, the other end of the valve rod pressure regulating control rod is connected with the driving end of the control rod driving motor, and the control rod driving motor is fixedly arranged on the valve body air inlet connector.
Further, the flow monitoring device comprises monitoring device shell, activity response piece, response piece detector and sensor circuit board, the monitoring device shell with valve body air inlet joint is connected, the one end of case valve member is located in the monitoring device shell to can move about, the activity response piece fixed set up in the tip of case valve member, the response piece detector set up in the monitoring device shell, and just to the position of activity response piece, the sensor circuit board is located in the monitoring device shell, the signal transmission part of response piece detector with the signal transmission part electric connection of sensor circuit board.
The hydrogen flow valve control method of the hydrogen filling station comprises the following steps:
s1: the control system sets the flow of the inflation;
S2: the hydrogen is inflated through the valve body assembly, and meanwhile, the flow monitoring device monitors the flow pressure of the valve body assembly and transmits a signal back to the control system;
s3: the control system converts the pressure change data of the inflation into flow data;
s4: the control system controls the flow control mechanism to control the pressure of the valve body assembly, so that the flow is changed until the pressure reaches a set value;
S5: after the inflation is completed, the flow control mechanism directly controls the pressure to be zero, namely, the flow is closed, and the inflation is completed.
The beneficial effects of the invention are as follows:
Compared with the prior art, the hydrogen flow valve of the hydrogen filling station and the control method thereof control the flow by controlling the pressure, regulate the flow in real time by monitoring the pressure, automatically control the pressure within a set range by controlling the pressure while monitoring the pressure change, further achieve the effect of controlling the flow by controlling the pressure, and have popularization and application values.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic illustration of the valve stem structure of the present invention;
Fig. 3 is a schematic view of the structure of the voltage regulating control rod of the present invention.
In the figure: the valve body outer tube body 1, the valve body air inlet joint 2, the valve body air outlet joint 3, the valve core sealing ring 4, the valve core valve rod piece 5, the valve rod compression spring 6, the valve rod pressure regulating control rod 7, the valve rod pressure regulating limiting hole 8, the control rod driving motor 9, the monitoring device shell 10, the movable sensing piece 11, the sensing piece detector 12 and the sensor circuit board 13.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments, wherein the exemplary embodiments and descriptions of the invention are for purposes of illustration, but are not intended to be limiting.
As shown in fig. 1-3: the hydrogen flow valve of the hydrogen filling station comprises a valve body assembly, a flow control mechanism and a flow monitoring device, wherein the flow control mechanism is arranged between an inlet and an outlet of the valve body assembly, and the flow monitoring device is arranged on the valve body assembly.
Further, the valve body assembly comprises a valve body outer pipe body 1, a valve body air inlet joint 2, a valve body air outlet joint 3 and a valve core, wherein the valve body outer pipe body 1 is arranged at one end of the valve body air inlet joint 2, the valve body air outlet joint 3 is arranged at one side of the valve body air inlet joint 2, the valve core is arranged in the valve body air inlet joint 2, and the valve body air inlet joint 2 is provided with the flow control mechanism and the flow monitoring device.
Further, the valve core comprises case sealing washer 4, case valve member 5 and valve rod compression spring 6, the case sealing washer 4 fixed set up in the inboard of valve body outer body 1, the one end of case valve member 5 with the middle part contact of case sealing washer 4, the other end of case valve member 5 with the one end of valve rod compression spring 6 is connected, the other end of valve rod compression spring 6 with the inner wall contact of valve body air inlet joint 2, flow control mechanism's control end with case valve member 5 is connected, flow monitoring device's monitoring end with the end connection of case valve member 5.
Further, the flow control mechanism is composed of a valve rod pressure regulating control rod 7 and a control rod driving motor 9, a valve rod pressure regulating limiting hole 8 is formed in the middle section of the valve core valve rod piece 5, the middle section of the valve rod pressure regulating control rod 7 penetrates through the valve rod pressure regulating limiting hole 8, the other end of the valve rod pressure regulating control rod 7 is connected with the driving end of the control rod driving motor 9, and the control rod driving motor 9 is fixedly arranged on the valve body air inlet connector 2.
Further, the flow monitoring device is composed of a monitoring device shell 10, a movable sensing piece 11, a sensing piece detector 12 and a sensor circuit board 13, the monitoring device shell 10 is connected with the valve body air inlet connector 2, one end of the valve core valve rod piece 5 is located in the monitoring device shell 10 and can move, the movable sensing piece 11 is fixedly arranged at the end part of the valve core valve rod piece 5, the sensing piece detector 12 is arranged in the monitoring device shell 10 and faces to the position of the movable sensing piece 11, the sensor circuit board 13 is located in the monitoring device shell 10, and a signal transmission end of the sensing piece detector 12 is electrically connected with a signal transmission end of the sensor circuit board 13.
The hydrogen flow valve control method of the hydrogen filling station comprises the following steps:
s1: the control system sets the flow of the inflation;
S2: the hydrogen is inflated through the valve body assembly, and meanwhile, the flow monitoring device monitors the flow pressure of the valve body assembly and transmits a signal back to the control system;
s3: the control system converts the pressure change data of the inflation into flow data;
s4: the control system controls the flow control mechanism to control the pressure of the valve body assembly, so that the flow is changed until the pressure reaches a set value;
S5: after the inflation is completed, the flow control mechanism directly controls the pressure to be zero, namely, the flow is closed, and the inflation is completed.
The working principle of the invention is as follows:
when the valve is in operation, an inflation gas source is connected through the valve body outer pipe body 1, gas is discharged from the valve body exhaust joint 3 to be inflated, the connection position of the valve rod pressure regulating control rod 7 and the valve rod pressure regulating limit hole 8 is of a flat structure, when the valve is required to be closed, the control rod driving motor 9 drives the valve rod pressure regulating control rod 7 to rotate, so that the flat structure of the valve rod pressure regulating control rod 7 is vertical to the valve rod pressure regulating limit hole 8, the valve rod 5 is tightly contacted with the valve rod sealing ring 4, when the valve is required to be inflated, the control rod driving motor 9 can drive the valve rod pressure regulating control rod 7 to rotate, so that the flat structure of the valve rod pressure regulating control rod 7 is parallel, the pressure of the gas entering the valve body outer pipe body 1 pushes the valve rod 5 open and separates from the valve rod sealing ring 4, the valve rod 5 compresses the valve rod compression spring 6, the distance between the movable sensing piece 11 and the sensing piece detector 12 changes the electrified voltage, so that the distance between the sensor circuit board 13 detects the separation distance between the valve rod 5 and the valve rod sealing ring 4, and the valve rod pressure regulating control rod 7 is driven by the control rod 9 when the flow is required to change, and the flow is changed in real time.
The technical scheme of the invention is not limited to the specific embodiment, and all technical modifications made according to the technical scheme of the invention fall within the protection scope of the invention.
Claims (2)
1. A hydrogen flow valve for a hydrogen filling station, comprising: the valve comprises a valve body assembly, a flow control mechanism and a flow monitoring device, wherein the flow control mechanism is arranged between an inlet and an outlet of the valve body assembly, and the flow monitoring device is arranged on the valve body assembly;
The valve body assembly consists of a valve body outer pipe body (1), a valve body air inlet joint (2), a valve body air outlet joint (3) and a valve core, wherein the valve body outer pipe body (1) is arranged at one end of the valve body air inlet joint (2), the valve body air outlet joint (3) is arranged at one side of the valve body air inlet joint (2), the valve core is arranged in the valve body air inlet joint (2), and the valve body air inlet joint (2) is provided with the flow control mechanism and the flow monitoring device;
The valve core is composed of a valve core sealing ring (4), a valve core valve rod piece (5) and a valve rod compression spring (6), the valve core sealing ring (4) is fixedly arranged on the inner side of the valve body outer pipe body (1), one end of the valve core valve rod piece (5) is in contact with the middle part of the valve core sealing ring (4), the other end of the valve core valve rod piece (5) is connected with one end of the valve rod compression spring (6), the other end of the valve rod compression spring (6) is in contact with the inner wall of the valve body air inlet joint (2), the control end of the flow control mechanism is connected with the valve core valve rod piece (5), and the monitoring end of the flow monitoring device is connected with the end part of the valve core valve rod piece (5);
The flow control mechanism consists of a valve rod pressure regulating control rod (7) and a control rod driving motor (9), a valve rod pressure regulating limit hole (8) is formed in the middle section of the valve core valve rod piece (5), the middle section of the valve rod pressure regulating control rod (7) penetrates through the valve rod pressure regulating limit hole (8), the other end of the valve rod pressure regulating control rod (7) is connected with the driving end of the control rod driving motor (9), and the control rod driving motor (9) is fixedly arranged on the valve body air inlet joint (2);
The flow monitoring device is composed of a monitoring device shell (10), a movable sensing piece (11), a sensing piece detector (12) and a sensor circuit board (13), wherein the monitoring device shell (10) is connected with a valve body air inlet joint (2), one end of a valve core valve rod piece (5) is located in the monitoring device shell (10) and can move, the movable sensing piece (11) is fixedly arranged at the end part of the valve core valve rod piece (5), the sensing piece detector (12) is arranged in the monitoring device shell (10) and is opposite to the position of the movable sensing piece (11), and the sensor circuit board (13) is located in the monitoring device shell (10), and a signal transmission end of the sensing piece detector (12) is electrically connected with a signal transmission end of the sensor circuit board (13).
2. A method of controlling a hydrogen flow valve of a hydrogen filling station according to claim 1, comprising the steps of:
s1: the control system sets the flow of the inflation;
S2: the hydrogen is inflated through the valve body assembly, and meanwhile, the flow monitoring device monitors the flow pressure of the valve body assembly and transmits a signal back to the control system;
s3: the control system converts the pressure change data of the inflation into flow data;
s4: the control system controls the flow control mechanism to control the pressure of the valve body assembly, so that the flow is changed until the pressure reaches a set value;
S5: after the inflation is completed, the flow control mechanism directly controls the pressure to be zero, namely, the flow is closed, and the inflation is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210288471.1A CN114776875B (en) | 2022-03-22 | 2022-03-22 | Hydrogen flow valve of hydrogen filling station and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210288471.1A CN114776875B (en) | 2022-03-22 | 2022-03-22 | Hydrogen flow valve of hydrogen filling station and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114776875A CN114776875A (en) | 2022-07-22 |
| CN114776875B true CN114776875B (en) | 2024-06-04 |
Family
ID=82425689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210288471.1A Active CN114776875B (en) | 2022-03-22 | 2022-03-22 | Hydrogen flow valve of hydrogen filling station and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114776875B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004211867A (en) * | 2003-01-08 | 2004-07-29 | Mitsubishi Electric Corp | Flow regulating valve and hot-water supply system using it |
| CN101251204A (en) * | 2008-03-14 | 2008-08-27 | 武汉市天虹仪表有限责任公司 | Gas flow regulating valve |
| CN201705950U (en) * | 2010-05-19 | 2011-01-12 | 无锡气动技术研究所有限公司 | Gas control proportional flow rate valve |
| CN203240032U (en) * | 2013-02-25 | 2013-10-16 | 江苏中凯流体控制设备有限公司 | Intelligent controlling adjusting valve |
| CN104896116A (en) * | 2015-05-18 | 2015-09-09 | 阮雪红 | Electronic flow valve for controlling oxygen conveyance |
| CN111237477A (en) * | 2020-03-11 | 2020-06-05 | 浙江奥格智能科技有限公司 | Electric flow regulating valve |
| CN111237485A (en) * | 2020-01-17 | 2020-06-05 | 浙江大学 | Valve for monitoring gas flow in real time and valve flow measuring method |
-
2022
- 2022-03-22 CN CN202210288471.1A patent/CN114776875B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004211867A (en) * | 2003-01-08 | 2004-07-29 | Mitsubishi Electric Corp | Flow regulating valve and hot-water supply system using it |
| CN101251204A (en) * | 2008-03-14 | 2008-08-27 | 武汉市天虹仪表有限责任公司 | Gas flow regulating valve |
| CN201705950U (en) * | 2010-05-19 | 2011-01-12 | 无锡气动技术研究所有限公司 | Gas control proportional flow rate valve |
| CN203240032U (en) * | 2013-02-25 | 2013-10-16 | 江苏中凯流体控制设备有限公司 | Intelligent controlling adjusting valve |
| CN104896116A (en) * | 2015-05-18 | 2015-09-09 | 阮雪红 | Electronic flow valve for controlling oxygen conveyance |
| CN111237485A (en) * | 2020-01-17 | 2020-06-05 | 浙江大学 | Valve for monitoring gas flow in real time and valve flow measuring method |
| CN111237477A (en) * | 2020-03-11 | 2020-06-05 | 浙江奥格智能科技有限公司 | Electric flow regulating valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114776875A (en) | 2022-07-22 |
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