CN115014449A - Hydrogen flow detection sensor device - Google Patents
Hydrogen flow detection sensor device Download PDFInfo
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- CN115014449A CN115014449A CN202210946790.7A CN202210946790A CN115014449A CN 115014449 A CN115014449 A CN 115014449A CN 202210946790 A CN202210946790 A CN 202210946790A CN 115014449 A CN115014449 A CN 115014449A
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- turbine
- detection
- tube
- laser
- hydrogen
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
- G01F1/28—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow by drag-force, e.g. vane type or impact flowmeter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/005—Valves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a hydrogen flow detection sensor device which comprises a detection tube, wherein one end of the detection tube is a hydrogen inlet tube, the other end of the detection tube is a hydrogen outlet tube, an airflow turbine assembly is arranged in the detection tube, a turbine rotation detection device is arranged on the outer wall of the detection tube, and the detection end of the turbine rotation detection device is positioned outside the detection tube to detect the rotation of the airflow turbine assembly. Compared with the prior art, the turbine is directly pushed to rotate by flowing gas, the device for detecting the rotation of the turbine detects the rotation of the turbine through photoelectric detection, the rotation of the turbine is detected without a gear connection structure and without contact detection, so that the resistance of the turbine is not caused, the flow detection accuracy is improved, errors are reduced, and in addition, the check valve is scientifically designed, so that the condition of inaccurate flow detection caused by gas backflow and pressure change can be prevented, and the flow detection accuracy is improved.
Description
Technical Field
The present disclosure relates to hydrogen metering devices, and particularly to a hydrogen flow rate detecting sensor device.
Background
Hydrogen is a very combustible gas at normal temperature and pressure. Colorless and transparent, odorless and tasteless, and insoluble in water. Hydrogen is known in the world as gas with the minimum density, hydrogen can be used as filling gas of an airship and a hydrogen balloon and can also be used as fuel, the use and the transportation of the hydrogen need to be metered, most hydrogen flow rate detection sensors in the prior art are in direct contact with the gas, for example, a turbine is in direct contact with the hydrogen, and the turbine drives a gear connecting rod to rotate, so that the flow rate is judged according to the rotating speed, but the gear transmission needs to consume certain mechanical power such as friction force, and certain resistance is generated, so that the error of the detected flow rate is large, and therefore, an improvement space exists.
Disclosure of Invention
The invention aims to provide a hydrogen flow rate detection sensor device.
In order to achieve the purpose, the invention is implemented according to the following technical scheme:
the device comprises a detection tube, wherein one end of the detection tube is a hydrogen inlet tube, the other end of the detection tube is a hydrogen outlet tube, an airflow turbine assembly is arranged in the detection tube, a turbine rotation detection device is arranged on the outer wall of the detection tube, and the detection end of the turbine rotation detection device is positioned outside the detection tube to detect the rotation of the airflow turbine assembly.
Further, the air current turbine subassembly comprises air current worm wheel blade, turbine pivot support and turbine blade pivot, turbine pivot support is two, two the turbine pivot support fixed set up in the detecting tube, the both ends of turbine blade pivot respectively with two rotate between the turbine pivot support and be connected, air current worm wheel blade fixed set up in on one section of the outer wall of turbine blade pivot, another section of turbine blade pivot with the turbine rotates detection device's sense terminal and connects.
Furthermore, the turbine rotation detection device consists of a laser projection through hole, a laser emission light source, a laser receiving device and a laser emission lens group, the laser projection through holes are arranged on the rotating shaft of the turbine blade, the number of the laser projection through holes is multiple, the laser projection through holes are arranged on the outer wall of the rotating shaft of the turbine blade, the laser projection through holes penetrate through the cross section of the rotating shaft of the turbine blade, the light source output end of the laser emission lens group is fixedly connected with the outer wall of the detection tube, the laser receiving device is fixedly arranged on the outer wall of the detection tube, the laser receiving device is arranged on the opposite side of the laser emitting lens group, the light source of the laser emitting lens group passes through the laser projection through hole to be in butt joint with the laser receiving device, the other end of the laser emission lens group is connected with the light source output end of the laser emission light source.
As an improvement, one section of the turbine blade rotating shaft positioned on the hydrogen exhaust pipe is provided with a blade rotating shaft conical section, and the airflow worm wheel blade is fixedly arranged on the outer wall of the blade rotating shaft conical section.
Preferably, a lens group isolation lens is arranged on the wall of the detection tube at the position of the laser emission lens group, and a receiving device isolation lens is arranged on the wall of the detection tube at the position of the laser receiving device.
As an improvement, a check valve device is arranged between the hydrogen gas inlet pipe and an inlet of the gas flow turbine assembly in the detection pipe.
Specifically, the check valve device comprises a gas on-off valve seat, a valve element reset connecting rod, a valve element reset spring and a valve seat opening and closing valve element, wherein the gas on-off valve seat is fixedly arranged in the detection pipe, one end of the valve element reset connecting rod penetrates through the middle of the gas on-off valve seat and is fixedly connected with the valve seat opening and closing valve element, the edge of the valve seat opening and closing valve element is in openable and closable sealing connection with the gas on-off valve seat, the other end of the valve element reset connecting rod is connected with one end of the valve element reset spring, and the other end of the valve element reset spring is connected with the gas on-off valve seat.
Preferably, the detection device is further provided with a shell, the middle section of the detection tube and the turbine rotation detection device are coated in the shell, an emission light source wiring terminal and a receiving device wiring terminal are arranged outside the shell, and the emission light source wiring terminal and the receiving device wiring terminal are electrically connected with the turbine rotation detection device.
The invention has the beneficial effects that:
the invention relates to a hydrogen flow detection sensor device, compared with the prior art, the turbine of the invention is directly pushed to rotate by flowing gas, and the device for detecting the rotation of the turbine is used for detecting the rotation of the turbine through photoelectric detection, the rotation of the turbine is detected without a gear connection structure, and non-contact detection is realized, so that the resistance of the turbine is not caused, the flow detection accuracy is improved, and the error is reduced.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic view of the turbine shaft support of the present invention;
fig. 3 is an external structural view of the present invention.
In the figure: the device comprises a hydrogen inlet pipe 1, a hydrogen outlet pipe 2, an airflow worm wheel blade 3, a laser projection through hole 4, a laser emission light source 5, a laser receiving device 6, a laser emission lens group 7, a lens group isolation lens 8, a receiving device isolation lens 9, a turbine rotating shaft support 10, a turbine blade rotating shaft 11, a blade rotating shaft conical section 12, an emission light source wiring terminal 13, a receiving device wiring terminal 14, an air on-off valve seat 15, a valve core reset connecting rod 16, a valve core reset spring 17, a valve seat on-off valve core 18 and an outer shell 19.
Detailed Description
The invention will be further described with reference to the drawings and specific embodiments, which are illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1-3: the gas turbine detection device comprises a detection tube, wherein one end of the detection tube is a hydrogen inlet pipe 1, the other end of the detection tube is a hydrogen outlet pipe 2, a gas flow turbine assembly is arranged in the detection tube, a turbine rotation detection device is arranged on the outer wall of the detection tube, and the detection end of the turbine rotation detection device is positioned outside the detection tube to detect the rotation of the gas flow turbine assembly.
Further, the air current turbine subassembly comprises air current worm wheel blade 3, turbine pivot support 10 and turbine blade pivot 11, turbine pivot support 10 is two, two turbine pivot support 10 is fixed set up in the detecting tube, the both ends of turbine blade pivot 11 respectively with two rotate between the turbine pivot support 10 and be connected, air current worm wheel blade 3 fixed set up in on one section of the outer wall of turbine blade pivot 11, another section of turbine blade pivot 11 with the turbine rotates detection device's sense terminal and connects.
Further, the turbine rotation detection device is composed of a plurality of laser projection through holes 4, a plurality of laser emission light sources 5, a plurality of laser receiving devices 6 and a laser emission lens group 7, the laser projection through holes 4 are arranged on the turbine blade rotating shaft 11, the plurality of laser projection through holes 4 are arranged on the outer wall of the turbine blade rotating shaft 11, the plurality of laser projection through holes 4 penetrate through the cross section of the turbine blade rotating shaft 11, the light source output end of the laser emission lens group 7 is fixedly connected with the outer wall of the detection tube, the laser receiving devices 6 are fixedly arranged on the outer wall of the detection tube, the laser receiving devices 6 are arranged on the opposite side surfaces of the laser emission lens group 7, the light source of the laser emission lens group 7 penetrates through the laser projection through holes 4 to be in butt joint with the laser receiving devices 6, the other end of the laser emission lens group 7 is connected with the light source output end of the laser emission light source 5.
As an improvement, a blade rotating shaft conical section 12 is arranged at one section of the turbine blade rotating shaft 11, which is positioned at the hydrogen exhaust pipe 2, and the airflow worm wheel blade 3 is fixedly arranged on the outer wall of the blade rotating shaft conical section 12.
Preferably, a lens group isolation lens 8 is arranged on the tube wall of the detection tube at the position of the laser emission lens group 7, and a receiving device isolation lens 9 is arranged on the tube wall of the detection tube at the position of the laser receiving device 6.
As an improvement, a check valve device is arranged in the detection pipe between the hydrogen gas inlet pipe 1 and the inlet of the gas flow turbine assembly.
Specifically, the check valve device comprises a gas on-off valve seat 15, a valve core reset connecting rod 16, a valve core reset spring 17 and a valve seat on-off valve core 18, wherein the gas on-off valve seat 15 is fixedly arranged in the detection tube, one end of the valve core reset connecting rod 16 penetrates through the middle part of the gas on-off valve seat 15 and is fixedly connected with the valve seat on-off valve core 18, the edge of the valve seat on-off valve core 18 is in openable, closable and sealed connection with the gas on-off valve seat 15, the other end of the valve core reset connecting rod 16 is connected with one end of the valve core reset spring 17, and the other end of the valve core reset spring 17 is connected with the gas on-off valve seat 15.
Preferably, the detection device is further provided with an outer shell 19, the middle section of the detection tube and the turbine rotation detection device are arranged in the outer shell 19 in a coated mode, a transmitting light source wiring terminal 13 and a receiving device wiring terminal 14 are arranged outside the outer shell 19, and the transmitting light source wiring terminal 13 and the receiving device wiring terminal 14 are electrically connected with the turbine rotation detection device.
The working principle of the invention is as follows:
when the invention is used, hydrogen enters the detection pipe through the hydrogen inlet pipe 1 and is discharged through the hydrogen outlet pipe 2, when gas enters the hydrogen inlet pipe 1, certain pressure is generated, so that the valve seat opening and closing valve core 18 is separated from the gas opening and closing valve seat 15 when the pressure is reduced, so that the gas enters the detection pipe, when gas supply is stopped, the valve seat opening and closing valve core 18 is closed between the gas opening and closing valve seat 15 and the valve seat opening and closing valve core 18 when the acting force of the valve core return spring 17 is reduced by the acting force of the valve core return spring 17, gas backflow is prevented, the detection accuracy is ensured, when the gas passes through the detection pipe, the gas flows to contact the airflow worm wheel blade 3, so that the airflow worm wheel blade 3 drives the turbine blade rotating shaft 11 to rotate, the blade rotating shaft conical section 12 is arranged on the airflow worm wheel blade 3 to change the volume of the airflow, so that the gas can better push the airflow worm wheel blade 3, and the laser projection through hole 4 is arranged on the turbine blade rotating shaft 11, the power supply control is provided through the transmitting light source connecting terminal 13 and the laser transmitting light source 5, the light emitted by the laser transmitting light source 5 is transmitted to the laser receiving device 6 after being condensed by the laser transmitting lens group 7, the light can be projected onto the laser receiving device 6 only by penetrating through the laser projection through hole 4, along with the rotation of the turbine blade rotating shaft 11, the laser receiving device 6 continuously receives and shields the light emitted by the laser transmitting light source 5, the signal is output from the receiving device connecting terminal 14, the signal receiving equipment judges the rotation quantity of the turbine blade rotating shaft 11 through the on-off times of the laser receiving device 6 receiving the light, and therefore the gas flow is calculated.
The technical solution of the present invention is not limited to the limitations of the above specific embodiments, and all technical modifications made according to the technical solution of the present invention fall within the protection scope of the present invention.
Claims (8)
1. A hydrogen flow rate detection sensor device, characterized in that: the device comprises a detection tube, wherein one end of the detection tube is a hydrogen inlet pipe (1), the other end of the detection tube is a hydrogen exhaust pipe (2), an airflow turbine assembly is arranged in the detection tube, a turbine rotation detection device is arranged on the outer wall of the detection tube, and the detection end of the turbine rotation detection device is located outside the detection tube and is used for detecting the rotation of the airflow turbine assembly.
2. The hydrogen flow rate detection sensor device according to claim 1, characterized in that: airflow turbine subassembly comprises airflow worm wheel blade (3), turbine pivot support (10) and turbine blade pivot (11), turbine pivot support (10) is two, two turbine pivot support (10) fixed set up in the detecting tube, the both ends of turbine blade pivot (11) respectively with two rotate between turbine pivot support (10) and connect, airflow worm wheel blade (3) fixed set up in on one section of the outer wall of turbine blade pivot (11), another section of turbine blade pivot (11) with the turbine rotates detection end of detection device and connects.
3. The hydrogen flow rate detection sensor device according to claim 2, characterized in that: the turbine rotation detection device is composed of a laser projection through hole (4), a laser emission light source (5), a laser receiving device (6) and a laser emission lens group (7), wherein the laser projection through hole (4) is formed in the turbine blade rotating shaft (11), the laser projection through holes (4) are multiple, the laser projection through holes (4) are formed in the outer wall of the turbine blade rotating shaft (11), the laser projection through holes (4) penetrate through the cross section of the turbine blade rotating shaft (11), the light source output end of the laser emission lens group (7) is fixedly connected with the outer wall of the detection tube, the laser receiving device (6) is fixedly arranged on the outer wall of the detection tube, the laser receiving device (6) is arranged on the opposite side face of the laser emission lens group (7), and the light source of the laser emission lens group (7) penetrates through the laser projection through hole (4) to be in butt joint with the laser receiving device (6), the other end of the laser emission lens group (7) is connected with the light source output end of the laser emission light source (5).
4. The hydrogen flow rate detection sensor device according to claim 2, characterized in that: one section of the turbine blade rotating shaft (11) located on the hydrogen exhaust pipe (2) is provided with a blade rotating shaft conical section (12), and the airflow turbine blade (3) is fixedly arranged on the outer wall of the blade rotating shaft conical section (12).
5. The hydrogen flow rate detection sensor device according to claim 3, characterized in that: and a lens group isolation lens (8) is arranged on the tube wall of the detection tube at the position of the laser emission lens group (7), and a receiving device isolation lens (9) is arranged on the tube wall of the detection tube at the position of the laser receiving device (6).
6. The hydrogen flow rate detection sensor device according to claim 1, characterized in that: and a check valve device is arranged between the hydrogen inlet pipe (1) and the inlet of the airflow turbine assembly in the detection pipe.
7. The hydrogen flow rate detection sensor device according to claim 6, characterized in that: the check valve device is composed of a gas on-off valve seat (15), a valve core reset connecting rod (16), a valve core reset spring (17) and a valve seat on-off valve core (18), wherein the gas on-off valve seat (15) is fixedly arranged in the detection tube, one end of the valve core reset connecting rod (16) penetrates through the middle part of the gas on-off valve seat (15) and is fixedly connected with the valve seat on-off valve core (18), the edge of the valve seat on-off valve core (18) is connected with the gas on-off valve seat (15) in a sealing mode in an opening and closing mode, the other end of the valve core reset connecting rod (16) is connected with one end of the valve core reset spring (17), and the other end of the valve core reset spring (17) is connected with the gas on-off valve seat (15).
8. The hydrogen flow rate detection sensor device according to claim 1, characterized in that: still be provided with shell body (19), the middle section of detecting tube with the turbine rotates detection device all the cladding set up in shell body (19), shell body (19) are provided with transmitting light source binding post (13) and receiving arrangement binding post (14) outward, transmitting light source binding post (13) with receiving arrangement binding post (14) with turbine rotates detection device electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210946790.7A CN115014449A (en) | 2022-08-09 | 2022-08-09 | Hydrogen flow detection sensor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210946790.7A CN115014449A (en) | 2022-08-09 | 2022-08-09 | Hydrogen flow detection sensor device |
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| Publication Number | Publication Date |
|---|---|
| CN115014449A true CN115014449A (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210946790.7A Pending CN115014449A (en) | 2022-08-09 | 2022-08-09 | Hydrogen flow detection sensor device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204153233U (en) * | 2014-10-20 | 2015-02-11 | 重庆耐德工业股份有限公司 | A kind of cooling gas check valve |
| CN104358905A (en) * | 2014-10-08 | 2015-02-18 | 浙江天信仪表科技有限公司 | Automatic flow rate control device |
| CN205679272U (en) * | 2016-06-14 | 2016-11-09 | 山西传控电子科技有限公司 | A kind of modular effusion meter |
| CN106568483A (en) * | 2016-11-14 | 2017-04-19 | 扬州奥泰光电生物技术有限公司 | Turbine optical sensor and turbine optical flowmeter based on sensor |
| CN206787627U (en) * | 2017-05-09 | 2017-12-22 | 中国石油大学(华东) | A kind of laser type gas turbine meter |
| CN112033487A (en) * | 2020-07-31 | 2020-12-04 | 上海真兰仪表科技股份有限公司 | Gas pipeline flowmeter and gas flow correction algorithm |
| CN114777847A (en) * | 2022-05-09 | 2022-07-22 | 广州联真电子科技有限公司 | Multi-path monitoring hydraulic oil circuit system detector |
-
2022
- 2022-08-09 CN CN202210946790.7A patent/CN115014449A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358905A (en) * | 2014-10-08 | 2015-02-18 | 浙江天信仪表科技有限公司 | Automatic flow rate control device |
| CN204153233U (en) * | 2014-10-20 | 2015-02-11 | 重庆耐德工业股份有限公司 | A kind of cooling gas check valve |
| CN205679272U (en) * | 2016-06-14 | 2016-11-09 | 山西传控电子科技有限公司 | A kind of modular effusion meter |
| CN106568483A (en) * | 2016-11-14 | 2017-04-19 | 扬州奥泰光电生物技术有限公司 | Turbine optical sensor and turbine optical flowmeter based on sensor |
| CN206787627U (en) * | 2017-05-09 | 2017-12-22 | 中国石油大学(华东) | A kind of laser type gas turbine meter |
| CN112033487A (en) * | 2020-07-31 | 2020-12-04 | 上海真兰仪表科技股份有限公司 | Gas pipeline flowmeter and gas flow correction algorithm |
| CN114777847A (en) * | 2022-05-09 | 2022-07-22 | 广州联真电子科技有限公司 | Multi-path monitoring hydraulic oil circuit system detector |
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Application publication date: 20220906 |
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| RJ01 | Rejection of invention patent application after publication |