CN214621908U - Automatic sampling and detecting device for hydrogen in hydrogen filling station - Google Patents
Automatic sampling and detecting device for hydrogen in hydrogen filling station Download PDFInfo
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- CN214621908U CN214621908U CN202120436754.7U CN202120436754U CN214621908U CN 214621908 U CN214621908 U CN 214621908U CN 202120436754 U CN202120436754 U CN 202120436754U CN 214621908 U CN214621908 U CN 214621908U
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Abstract
The utility model provides an automatic sampling test device of hydrogen in hydrogenation station, include: the hydrogen sampling port, the sampling electromagnetic valve, the pressure reducing valve, the safety valve, the hydrogen purity analyzer, the bleeding electromagnetic valve and the bleeding pipeline interface; one end of the sampling electromagnetic valve is connected with the hydrogen sampling port, the other end of the sampling electromagnetic valve is connected with one end of the pressure reducing valve, the other end of the pressure reducing valve is connected with one end of the hydrogen purity analyzer and one end of the safety valve, the other end of the hydrogen purity analyzer is connected with one end of the bleeding electromagnetic valve, and the other end of the bleeding electromagnetic valve is connected with the other end of the safety valve and the bleeding pipeline interface. The utility model can analyze the purity of the hydrogen gas source of the hydrogen station under the condition of unmanned operation through the automatic sampling and detecting device of the hydrogen gas in the hydrogen station, and has strong timeliness; the damage of gas to the fuel trolley car when can effectually avoiding the hydrogen gas source unqualified can show the security that increases the hydrogenation station.
Description
Technical Field
The utility model relates to a hydrogen detects the field, and more specifically says, relates to an automatic sampling test device of hydrogen in hydrogenation station.
Background
With the development of the hydrogen fuel new energy vehicle industry, the demand for hydrogen is increasing day by day, the fuel cell vehicle galvanic pile has very high demand for the purity of hydrogen, the purity of hydrogen is required to be 99.999%, the purity of hydrogen does not reach the standard, and irreversible damage may be caused to the galvanic pile of the fuel cell vehicle. The purity of hydrogen in the existing hydrogen adding station is generally detected by a hydrogen supplier, and the hydrogen adding station is difficult to recheck the hydrogen along with a detection report carried by a hydrogen transport vehicle, so that the purity of the hydrogen is difficult to meet the requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the hydrogen purity in the hydrogenation station among the prior art and detect by oneself by hydrogen supplier, along with hydrogen transport vechicle carries the measuring report, the hydrogenation station is hardly carried out the technical problem who rechecks hydrogen.
In order to achieve the above object, the present invention provides an automatic sampling and detecting device for hydrogen gas in a hydrogen filling station, comprising: the hydrogen sampling port, the sampling electromagnetic valve, the pressure reducing valve, the safety valve, the hydrogen purity analyzer, the bleeding electromagnetic valve and the bleeding pipeline interface;
one end of the sampling electromagnetic valve is connected with the hydrogen sampling port, the other end of the sampling electromagnetic valve is connected with one end of the pressure reducing valve, the other end of the pressure reducing valve is connected with one end of the hydrogen purity analyzer and one end of the safety valve, the other end of the hydrogen purity analyzer is connected with one end of the bleeding electromagnetic valve, and the other end of the bleeding electromagnetic valve is connected with the other end of the safety valve and the bleeding pipeline interface;
the hydrogen sampling port is used for acquiring hydrogen to be detected in the gas unloading cabinet of the hydrogen station;
the sampling electromagnetic valve is used for being opened when being electrified so that the hydrogen to be detected flows to the pressure reducing valve;
the pressure reducing valve is used for reducing the pressure of the hydrogen to be detected to a proper pressure to obtain the hydrogen to be analyzed;
the safety valve is used for protecting the hydrogen purity analyzer, and when the gas pressure of the hydrogen to be analyzed is greater than a preset value, the safety valve is conducted to guide part of the hydrogen to be analyzed to the diffusion pipeline interface;
the hydrogen purity analyzer is used for detecting the concentration of the hydrogen to be analyzed;
the diffusion pipeline interface is used for guiding the hydrogen to be analyzed into the diffusion pipeline.
Preferably, the hydrogen sampling port and the sampling solenoid valve further comprise: an air inlet hand valve and a one-way valve;
one end of the air inlet hand valve is connected with the hydrogen sampling port, the other end of the air inlet hand valve is connected with the air inlet of the one-way valve, and the air outlet of the one-way valve is connected with one end of the sampling electromagnetic valve.
Preferably, the air inlet hand valve is manually closed or opened for manually controlling the circulation of the hydrogen to be detected.
Preferably, the check valve allows the hydrogen to be detected to flow in a single direction, and the hydrogen flows from the check valve air inlet to the check valve air outlet.
Preferably, the sampling solenoid valve, the pressure reducing valve, the safety valve, the hydrogen purity analyzer and the bleeding solenoid valve are all electrically connected with a station control system;
the station control system is used for controlling the sampling electromagnetic valve, the safety valve and the bleeding electromagnetic valve to be closed and opened; and communicating information with the hydrogen purity analyzer.
The utility model discloses following beneficial effect has:
the automatic hydrogen sampling and detecting device in the hydrogen station can analyze the purity of the hydrogen source of the hydrogen station under the condition of no operation, and has strong timeliness; the damage of gas to the fuel trolley car when can effectually avoiding the hydrogen gas source unqualified can show the security that increases the hydrogenation station.
Drawings
The present invention will be further explained with reference to the drawings and the embodiments;
FIG. 1 is a structural diagram of the automatic sampling and detecting device for hydrogen in a hydrogen station of the present invention;
the system comprises a gas inlet hand valve 1, a one-way valve 2, a sampling electromagnetic valve 3, a pressure reducing valve 4, a safety valve 5, a hydrogen purity analyzer 6, a bleeding electromagnetic valve 7, a hydrogen sampling port 8 and a bleeding pipeline connector 9.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, the present embodiment provides an automatic sampling and detecting device for hydrogen in a hydrogen refueling station, which is used for detecting the purity of hydrogen in the hydrogen refueling station in real time, and specifically includes: the system comprises a hydrogen sampling port 8, a sampling electromagnetic valve 3, a pressure reducing valve 4, a safety valve 5, a hydrogen purity analyzer 6, a bleeding electromagnetic valve 7 and a bleeding pipeline interface 9;
one end of the sampling electromagnetic valve 3 is connected with the hydrogen sampling port 8, the other end of the sampling electromagnetic valve 3 is connected with one end of the pressure reducing valve 4, the other end of the pressure reducing valve 4 is connected with one end of the hydrogen purity analyzer 6 and one end of the safety valve 5, the other end of the hydrogen purity analyzer 6 is connected with one end of the bleeding electromagnetic valve 7, and the other end of the bleeding electromagnetic valve 7 is connected with the other end of the safety valve 5 and the bleeding pipeline interface 9;
the hydrogen sampling port 8 is used for acquiring hydrogen to be detected in a gas unloading cabinet of the hydrogen station; the hydrogen sampling port 8 is connected with the gas outlet of the gas unloading cabinet of the hydrogenation station, so that the purity of the hydrogen unloaded from the gas unloading cabinet can be detected in real time;
the sampling electromagnetic valve 3 is opened when being electrified, so that the hydrogen to be detected flows to the pressure reducing valve 4; when the hydrogen purity detection requirement exists, the sampling electromagnetic valve 3 is opened for sampling, and the sampling electromagnetic valve is closed after sampling is finished;
the pressure reducing valve 4 is used for reducing the pressure of the hydrogen to be detected to a proper pressure to obtain the hydrogen to be analyzed; the pressure of hydrogen in the gas discharge cabinet is too high and cannot be directly used for purity detection, and the hydrogen is reduced to proper pressure through a pressure reducing valve 4 and then the purity detection is carried out;
the safety valve 5 is used for protecting the hydrogen purity analyzer 6, when the gas pressure of the hydrogen to be analyzed is greater than a preset value, the safety valve 5 is conducted, part of the hydrogen to be analyzed is guided to the bleeding pipeline interface 9, and the hydrogen pressure at the part is reduced; when the gas pressure of the hydrogen to be analyzed is smaller than or equal to a preset value, the safety valve 5 is disconnected, and all the hydrogen to be analyzed is input into the hydrogen purity analyzer 6 for purity detection;
the hydrogen purity analyzer 6 is used for detecting the purity of the hydrogen to be analyzed; the purity result of the hydrogen can be displayed in real time through an external display screen, and when the purity of the hydrogen does not meet the requirement, the purity result can be found at the first time and a warning is given out;
the diffusion pipeline interface 9 is used for guiding the hydrogen to be analyzed into a diffusion pipeline; after the hydrogen purity analysis is finished, the hydrogen in the pipeline is discharged into the diffusion pipeline, so that the waste of the hydrogen is avoided.
The utility model relates to an in the embodiment, the hydrogen sample connection with still include between the sampling solenoid valve 3: an air inlet hand valve 1 and a one-way valve 2;
the gas inlet hand valve 1 one end with the hydrogen sample connection 8 is connected, the gas inlet hand valve 1 other end with 2 air inlets of check valve are connected, 2 gas outlets of check valve with 3 one end of sample solenoid valve are connected.
The air inlet hand valve 1 is manually closed or opened and is used for manually controlling the circulation of the hydrogen to be detected; when the hydrogen station has emergency and cannot be automatically controlled, the circulation of hydrogen can be manually stopped through the air inlet hand valve 1, and the safety of the hydrogen station is guaranteed.
The one-way valve 2 allows the hydrogen to be detected to flow in a one-way mode, and the hydrogen flows to the air outlet of the one-way valve 2 from the air inlet of the one-way valve 2.
In a specific embodiment of the present invention, the sampling solenoid valve 3, the pressure reducing valve 4, the safety valve 5, the hydrogen purity analyzer 6, and the bleeding solenoid valve 7 are all electrically connected to a station control system;
the station control system controls the sampling electromagnetic valve 3, the safety valve 5 and the diffusion electromagnetic valve 7 to be closed and opened according to a hydrogen purity detection task;
the station control system is in information communication with the pressure reducing valve 4 and the hydrogen purity analyzer 6, the pressure reducing degree of the pressure reducing valve 4 can be set, and the analysis result of the hydrogen purity analyzer 6 can be displayed in real time through the station control system.
The hydrogen automatic sampling detection device in the hydrogen station that this embodiment provided carries out purity detection analysis to the hydrogen at the hydrogen station under unmanned operation's the condition according to hydrogen purity detection task, hydrogen automatic sampling detection device's in the hydrogen station concrete work flow is:
1. the station control system is communicated with the sampling electromagnetic valve 3, the pressure reducing valve 4, the safety valve 5, the hydrogen purity analyzer 6 and the diffusion electromagnetic valve 7;
2. after the station control system receives the hydrogen purity detection task, the sampling electromagnetic valve 3 and the diffusion electromagnetic valve 7 are controlled to be opened, and hydrogen flows into the hydrogen purity analyzer 6 after being decompressed by the decompression valve 4;
3. the bleeding electromagnetic valve 7 is automatically closed after being opened for 3 seconds, the sampling electromagnetic valve 3 is automatically closed after being opened for 8 seconds, and the hydrogen purity analyzer 6 is used for analyzing the hydrogen concentration;
4. after the analysis of the hydrogen purity analyzer 6 is finished, the result is uploaded to a station control system, the diffusion electromagnetic valve 7 is automatically closed after being opened for 10 seconds, and hydrogen is led into a diffusion pipeline; and if the hydrogen purity is not qualified, sending an alarm to remind the station control system to interrupt the hydrogen supply and replace the gas source.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the words first, second, third and the like do not denote any order, but rather the words first, second and the like may be interpreted as indicating any order.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (5)
1. The utility model provides an automatic sampling detection device of hydrogen in hydrogenation station which characterized in that includes: a hydrogen sampling port (8), a sampling electromagnetic valve (3), a pressure reducing valve (4), a safety valve (5), a hydrogen purity analyzer (6), a bleeding electromagnetic valve (7) and a bleeding pipeline interface (9);
one end of the sampling electromagnetic valve (3) is connected with the hydrogen sampling port (8), the other end of the sampling electromagnetic valve (3) is connected with one end of the pressure reducing valve (4), the other end of the pressure reducing valve (4) is connected with one end of the hydrogen purity analyzer (6) and one end of the safety valve (5), the other end of the hydrogen purity analyzer (6) is connected with one end of the bleeding electromagnetic valve (7), and the other end of the bleeding electromagnetic valve (7) is connected with the other end of the safety valve (5) and the bleeding pipeline interface (9);
the hydrogen sampling port (8) is used for acquiring hydrogen to be detected in the gas unloading cabinet of the hydrogen station;
the sampling electromagnetic valve (3) is opened when being electrified, so that the hydrogen to be detected flows to the pressure reducing valve (4);
the pressure reducing valve (4) is used for reducing the pressure of the hydrogen to be detected to a proper pressure to obtain the hydrogen to be analyzed;
the safety valve (5) is used for protecting the hydrogen purity analyzer (6), and when the gas pressure of the hydrogen to be analyzed is greater than a preset value, the safety valve (5) is conducted to guide part of the hydrogen to be analyzed to the diffusion pipeline interface (9);
the hydrogen purity analyzer (6) is used for detecting the purity of the hydrogen to be analyzed;
the diffusion pipeline interface (9) is used for guiding the hydrogen to be analyzed into a diffusion pipeline.
2. The automatic sampling and detecting device for hydrogen in a hydrogen filling station according to claim 1, characterized in that between the hydrogen sampling port and the sampling electromagnetic valve (3) further comprises: an air inlet hand valve (1) and a one-way valve (2);
the hydrogen sampling device is characterized in that one end of the air inlet hand valve (1) is connected with the hydrogen sampling port (8), the other end of the air inlet hand valve (1) is connected with the air inlet of the one-way valve (2), and the air outlet of the one-way valve (2) is connected with one end of the sampling electromagnetic valve (3).
3. The automatic sampling and detecting device for hydrogen in a hydrogen adding station according to claim 2, characterized in that the gas inlet hand valve (1) is manually closed or opened for manually controlling the circulation of the hydrogen to be detected.
4. The automatic sampling and detecting device for hydrogen in a hydrogen adding station according to claim 2, characterized in that the one-way valve (2) allows one-way circulation of the hydrogen to be detected, and hydrogen flows from the air inlet of the one-way valve (2) to the air outlet of the one-way valve (2).
5. The automatic sampling and detecting device for hydrogen gas in a hydrogen filling station according to any one of claims 1 to 4, wherein the sampling solenoid valve (3), the pressure reducing valve (4), the safety valve (5), the hydrogen gas purity analyzer (6) and the bleeding solenoid valve (7) are all electrically connected with a station control system;
the station control system is used for controlling the sampling electromagnetic valve (3), the safety valve (5) and the bleeding electromagnetic valve (7) to be closed and opened; communicating information with the pressure reducing valve (4) and the hydrogen purity analyzer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120436754.7U CN214621908U (en) | 2021-02-26 | 2021-02-26 | Automatic sampling and detecting device for hydrogen in hydrogen filling station |
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| CN202120436754.7U CN214621908U (en) | 2021-02-26 | 2021-02-26 | Automatic sampling and detecting device for hydrogen in hydrogen filling station |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517889A (en) * | 2022-01-25 | 2022-05-20 | 佛山绿色发展创新研究院 | Control method for realizing online detection of hydrogen quality and hydrogenation system |
| CN114688449A (en) * | 2022-04-25 | 2022-07-01 | 液空厚普氢能源装备有限公司 | Online detection and purification control system and method for hydrogen quality of hydrogenation station |
| CN117433849A (en) * | 2023-09-05 | 2024-01-23 | 佛山绿色发展创新研究院 | Sampling device and sampling method for hydrogen for proton exchange membrane fuel cell |
-
2021
- 2021-02-26 CN CN202120436754.7U patent/CN214621908U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517889A (en) * | 2022-01-25 | 2022-05-20 | 佛山绿色发展创新研究院 | Control method for realizing online detection of hydrogen quality and hydrogenation system |
| CN114517889B (en) * | 2022-01-25 | 2024-01-23 | 佛山绿色发展创新研究院 | Control method for realizing hydrogen quality on-line detection and hydrogenation system |
| CN114688449A (en) * | 2022-04-25 | 2022-07-01 | 液空厚普氢能源装备有限公司 | Online detection and purification control system and method for hydrogen quality of hydrogenation station |
| CN117433849A (en) * | 2023-09-05 | 2024-01-23 | 佛山绿色发展创新研究院 | Sampling device and sampling method for hydrogen for proton exchange membrane fuel cell |
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