Hydrogen quality detection vehicle

Abstract

The utility model discloses a hydrogen quality detection vehicle, which is characterized in that a sampling pipeline, an analyzer component and a gas cylinder can be integrated in the detection vehicle, a sampling inlet arranged at the tail of the vehicle can be used for connecting a hydrogenation gun, a hydrogen storage tank or a transportation tank car of a hydrogen refueling station, each branch pipeline is provided with a first sampling inlet, a second sampling inlet, a third sampling inlet and a high-pressure ball valve and a one-way valve of the corresponding branch pipeline; pressure reducing valves are arranged at the tail ends of the high-pressure pipelines The low-pressure pipeline is connected with the pressure reducing valve, the tail end of the low-pressure pipeline is provided with an emptying assembly capable of extending out of the vehicle from the vehicle roof, an analyzer assembly and a sample reserving bottle are arranged on the low-pressure pipeline in parallel, and gas is controlled to enter and exit through a gas inlet valve and a gas outlet valve of the analyzer assembly and the sample reserving bottle respectively. According to the utility model, rapid sampling and on-site analysis can be realized, the convenience of sampling and analysis is improved while the detection accuracy is ensured, and the detection and analysis items are more comprehensive.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of gas sampling technology, especially relates to a hydrogen quality detection vehicle, which can be used for detecting hydrogen used by proton exchange membrane fuel cell vehicle. BACKGROUND

[0002] In recent years, with the rapid development of hydrogen energy technology, the quality of hydrogen has an important influence on the performance and service life of fuel cell engines. During the daily use of hydrogen, sampling and detection of hydrogen must be carried out to ensure that the fuel hydrogen used meets the use standard of fuel cell engines. Therefore, it is necessary to be able to quickly sample on site at hydrogen refueling stations or production enterprises, complete on-site rapid analysis, issue an analysis report, eliminate the interference of hydrogen storage and transportation on the impurity results in hydrogen, and obtain accurate detection results.

[0003] Chinese patent CN219038532U discloses a hydrogen refueling station high-pressure hydrogen sampling device, which comprises a hydrogen refueling port, a diffusion quick connector, a nitrogen protection quick connector, a high-pressure pressure regulating valve, a proportional unloading valve and a series ball valve. The hydrogen refueling port is tightly connected with a hydrogen refueling gun and is connected with a trunnion ball valve left and a trunnion ball valve right respectively. The trunnion ball valve left is a sampling on-off valve, and the trunnion ball valve right is a purging on-off valve. The trunnion ball valve left is connected with the high-pressure pressure regulating valve, the high-pressure pressure regulating valve is connected with the proportional unloading valve and the series ball valve respectively, the proportional unloading valve is connected with the nitrogen protection quick connector, and one of the series ball valves is connected with a sulfur passivation coated steel cylinder, and the other is connected with 8L sampling bottles through steel cylinder connectors. The trunnion ball valve right is connected with the diffusion quick connector through a filter, and the diffusion quick connector is connected with a diffusion port of a hydrogen refueling machine. The scheme can effectively perform high-pressure hydrogen sampling work, meet the sample amount required for hydrogen testing, avoid sampling limitation due to high-pressure safety factors, and cause the lack of hydrogen quality monitoring.

[0004] Although the scheme can ensure that sampling can obtain the required sufficient sample amount, the accuracy of sampling and the adaptability and convenience in different scenarios still need to be improved, and rapid sampling and on-site accurate analysis cannot be performed.

[0005] Therefore, a hydrogen quality detection vehicle is urgently needed, which can be used for detecting hydrogen used by proton exchange membrane fuel cell vehicle, can ensure rapid sampling and on-site accurate analysis, and can be applicable to high-pressure hydrogen sampling of different hydrogen storage equipment such as hydrogen refueling stations, storage tanks and tank cars.

[0006] The information disclosed in this BACKGROUND section is only intended to increase an understanding of the general background of the present utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms prior art that is already publicly known. CONTENT OF THE UTILITY MODEL

[0007] The utility model discloses a hydrogen quality detection vehicle, through different sampling import can respectively adapt hydrogenation station's hydrogenation gun, storage tank or transport tank car, the adaptability of sampling is stronger, through the interface of sampling device, pipeline, valve and analysis appearance etc. facilities are all arranged on the detection vehicle, can realize fast sampling and on -the -spot analysis, improve the convenience of sampling and analysis while guaranteeing the accuracy of detection.

[0008] To realize above -mentioned purpose, the utility model provides a kind of hydrogen quality detection vehicle, sampling pipeline, analysis appearance component and gas cylinder can be integrated in detection vehicle, sampling import arranged at tail of vehicle can be used to connect hydrogenation station's hydrogenation gun, hydrogen storage tank or transport tank car, at least the setting in this detection vehicle: high pressure pipeline, it includes three branch pipelines, first sampling import, second sampling import, third sampling import and corresponding branch's high pressure ball valve and check valve are respectively arranged on each branch pipeline;High pressure pipeline end is equipped with pressure reducing valve;Low pressure pipeline is connected with pressure reducing valve and is provided with venting component that can be stretched out from roof outside at low pressure pipeline end, analysis appearance component and sample bottle are connected in parallel on low pressure pipeline, and gas is controlled to enter and exit respectively through respective inlet valve and outlet valve.

[0009] Further, in the above technical solution, the first sampling import can be used to connect with hydrogen storage tank or transport tank car, and a first high pressure ball valve and a first check valve are sequentially connected on the corresponding branch pipeline;The second sampling import can be used to connect with the 35MPa hydrogenation gun of hydrogenation station, and a second high pressure ball valve and a second check valve are sequentially connected on the corresponding branch pipeline;The third sampling import can be used to connect with the 70MPa hydrogenation gun of hydrogenation station, and a third high pressure ball valve and a third check valve are sequentially connected on the corresponding branch pipeline. The third sampling import preferably sets an infrared communication interface.

[0010] Further, in the above technical solution, a fourth check valve is provided on the upstream pipeline of the venting component;A safety valve can be provided between the pressure reducing valve and the fourth check valve, to guide the hydrogen to the fourth check valve and vent when the hydrogen pressure in the low pressure pipeline is higher than a threshold value due to a fault in the pressure reducing valve;The safety valve, the analysis appearance component and the sample bottle are preferably connected in parallel. The fourth check valve is connected with the outlet valve of the analysis appearance component and the outlet valve of the sample bottle.

[0011] Further, in the above technical solution, the analysis appearance component can include a plurality of analysis instruments connected in parallel, for detecting different impurities in the sampled and reduced pressure hydrogen.

[0012] Further, in the above technical solution, a filter and a flow meter are preferably provided at the front end of the low pressure pipeline between the pressure reducing valve and the safety valve, by measuring the weight change of a certain amount of hydrogen sample before and after flowing through the filter membrane of the filter, the detection of particulate matter content in hydrogen can be completed.

[0013] Further, in the above technical solution, the detection vehicle can be provided with a carrier gas bottle for providing carrier gas for the analyzer assembly and a storage battery for providing power for the analyzer assembly; the detection vehicle can also be provided with a hydrogen alarm.

[0014] Further, in the above technical solution, the venting assembly can be a plurality of venting pipes arranged in series; during sampling, the plurality of venting pipes are connected end to end and installed at the roof position through quick-release joints to meet the emission height standard requirements.

[0015] Further, in the above technical solution, the internal surfaces of the pipelines and valves in the detection vehicle are preferably passivated surfaces.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1) The utility model can integrate the sampling pipeline, the analyzer assembly and the gas cylinder and other facilities in a mobile detection vehicle, which can not only sample on site, but also analyze on site, thereby effectively avoiding the problem of long-time transportation and storage of gas samples affecting the accuracy of test results.

[0018] 2) The utility model can convert the sampled high-pressure hydrogen into low-pressure hydrogen through the sampling pipeline, and then detect and analyze in the analyzer assembly; through the sample bottle arranged in parallel with the analyzer assembly, the hydrogen sample can be sealed and taken away from the site after on-site analysis.

[0019] 3) The first sampling inlet, the second sampling inlet and the third sampling port of the utility model can respectively adapt to the interfaces of the hydrogen storage tank and the transport tank car, the 35MPa hydrogenation gun of the hydrogenation station or the 70MPa hydrogenation gun of the hydrogenation station, and the adaptability of sampling is stronger; the three sampling inlets are arranged at the tail of the vehicle, so that sampling is more convenient.

[0020] 4) The third sampling inlet of the utility model is provided with an infrared communication interface, which can transmit the pressure and temperature data at the sampling inlet and display and analyze them, thereby ensuring the smooth sampling of 70MPa high-pressure hydrogen.

[0021] 5) The internal surfaces of the pipelines and valves of the utility model are passivated surfaces, which can prevent the adsorption of impurities specified in GB / T 37244 "Fuel hydrogen for proton exchange membrane fuel cell vehicles".

[0022] 6) The utility model can not only simultaneously analyze and detect different items (water, total hydrocarbon, oxygen, helium, total nitrogen, argon, carbon dioxide, carbon monoxide, total sulfur, formaldehyde, formic acid, ammonia and total halide) of hydrogen quality according to the national standard analysis method (GB / T 37244), but also complete the detection of the content of particulate matter in hydrogen through the cooperation of the filter and the flow meter, so that the detection items are more comprehensive.

[0023] The above description is only a summary of the technical scheme of the present application. In order to more clearly understand the technical means of the present application and can be implemented according to the content of the specification, at the same time, in order to make the above and other purposes, technical features and advantages of the present application more easy to understand, one or more preferred embodiments are listed below, and are described in detail as follows with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is the internal structure connection schematic diagram of the hydrogen quality detection vehicle of the present application.

[0025] MAIN REFERENCE NUMERALS EXPLANATION:

[0026] 1-high pressure pipeline, 11A-first sampling inlet, 11B-second sampling inlet, 11C-third sampling inlet, 12A-first high pressure ball valve, 12B-second high pressure ball valve, 12C-third high pressure ball valve, 13A-first check valve, 13B-second check valve, 13C-third check valve, 14-pressure reducing valve, 15-high pressure pressure gauge, 2-low pressure pipeline, 21-filter, 22-flow meter, 23-analyzer assembly, 231-analyzer assembly air inlet valve, 232-analyzer assembly air outlet valve, 23A-first analyzer, 23B-second analyzer, 23C-third analyzer, 24-sample bottle, 241-sample bottle air inlet valve, 242-sample bottle air outlet valve, 25-safety valve, 26-fourth check valve, 27-vent assembly, 28-carrier gas bottle, 29-low pressure pressure gauge, 3-hydrogen alarm, 4-battery. DETAILED DESCRIPTION

[0027] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings, but it should be understood that the protection scope of the present application is not limited by the specific embodiments.

[0028] Unless otherwise explicitly stated, throughout the specification and claims, the term "comprise" or its variants such as "contain" or "include" will be understood to encompass the stated element or component, without excluding other elements or components.

[0029] For the purposes of this document, spatially relative terms, such as "beneath", "below", "lower", "above", "upper", and the like, can be used to describe an element's or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if an element in a figure is oriented horizontally, it is also intended to encompass an altered orientation, such as a vertical orientation, in which the element is turned 90 degrees from the orientation depicted in the figure. Thus, the exemplary term "below" can encompass both an orientation of below and above. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative terms used herein interpreted accordingly.

[0030] In this document, the terms "first", "second", etc. are used to distinguish between two different elements or portions, and are not used to define a particular position or relative relationship. In other words, in some embodiments, the terms "first", "second", etc. can also be interchanged with each other.

[0031] As Figure 1 shown, the utility model provides a kind of hydrogen quality detection vehicle 100, sampling pipeline, analyzer assembly and gas cylinder etc. Facility can be integrated in detection vehicle 100, and the sampling import arranged at the tail of vehicle can be used to connect the hydrogenation gun of hydrogenation station, hydrogen storage tank or transport tank car (not shown in the figure). At least high pressure pipeline 1 and low pressure pipeline 2 (that is Figure 1 the pipeline of dotted line left and right sides in the middle) are provided in the utility model detection vehicle. Among them, high pressure pipeline 1 includes three branch pipelines, and first sampling import 11A, second sampling import 11B, third sampling import 11C and the high pressure ball valve and check valve of corresponding branch are respectively arranged on each branch pipeline. High pressure pipeline 1 end is equipped with pressure reducing valve 14. In addition, high pressure pressure gauge 15 can also be provided on high pressure pipeline 1. Low pressure pipeline 2 is connected with pressure reducing valve 14 and is provided with venting assembly 27 that can be stretched out of the vehicle outside from the roof of detection vehicle 100 at low pressure pipeline end, and analyzer assembly 23 and sample bottle 24 are connected in parallel on low pressure pipeline 2, and gas is controlled to enter and exit respectively through respective gas inlet valve and gas outlet valve, that is, analyzer assembly 23 is equipped with analyzer assembly gas inlet valve 231 and gas outlet valve 232, and sample bottle 24 is equipped with sample bottle gas inlet valve 241 and gas outlet valve 242, and inlet and outlet valves are connected on low pressure pipeline. In addition, low pressure pressure gauge 29 can also be provided on low pressure pipeline 2.

[0032] The above technical scheme of the utility model can integrate the sampling pipeline, the analyzer assembly and gas cylinders and other facilities in a mobile detection vehicle, can not only sample on site, but also can analyze on site, can effectively avoid the problem of influencing the accuracy of test results caused by long-time transportation and storage of gas samples, the high-pressure hydrogen gas sampled can be converted into low-pressure hydrogen gas through the sampling pipeline, and then detection and analysis can be carried out in the analyzer assembly, through the sample bottle which is arranged in parallel with the analyzer assembly, the hydrogen gas sample can be directly sealed and taken away from the site after on-site analysis, the first sampling inlet, the second sampling inlet and the third sampling inlet can be respectively adapted to the interfaces of the hydrogen storage tank and the transport tank truck, the 35MPa hydrogenation gun of the hydrogenation station or the 70MPa hydrogenation gun of the hydrogenation station, the adaptability of sampling is stronger, sampling from the high-pressure high-purity hydrogen gas of the hydrogenation station of 35MPa and 70MPa and sampling from the hydrogen storage tank and the transport tank truck can be realized, and sampling is more convenient.

[0033] Further as Figure 1 illustrated, specifically, the first sampling inlet 11A is used for being connected with the hydrogen storage tank or the transport tank truck, and a first high-pressure ball valve 12A and a first check valve 13A are sequentially connected on the corresponding branch pipeline. The second sampling inlet 11B is used for being connected with the 35MPa hydrogenation gun of the hydrogenation station, and a second high-pressure ball valve 12B and a second check valve 13B are sequentially connected on the corresponding branch pipeline. The third sampling inlet 11C is used for being connected with the 70MPa hydrogenation gun of the hydrogenation station, and a third high-pressure ball valve 12C and a third check valve 13C are sequentially connected on the corresponding branch pipeline. The third sampling inlet 11C is preferably provided with an infrared communication interface, can transmit the pressure and temperature data of the sampling inlet, and can display and analyze, and can guarantee the smooth sampling of 70MPa high-pressure hydrogen gas.

[0034] Further as Figure 1 illustrated, the upstream pipeline of the venting assembly 27 is provided with a fourth check valve 26. The safety valve 25 is arranged between the pressure reducing valve 14 and the fourth check valve 26, can be used for guiding the hydrogen to the fourth check valve 26 and venting when the hydrogen pressure in the low-pressure pipeline 2 is higher than the threshold value due to the failure of the pressure reducing valve 14. The safety valve 25 of the utility model is preferably arranged in parallel with the analyzer assembly 23 and the sample bottle 24. Further, the fourth check valve 26 is connected with the analyzer assembly gas outlet valve 232 and the sample bottle gas outlet valve 242 respectively, can guarantee that the hydrogen can be guided to the fourth check valve 26 and vented after hydrogen detection and analysis.

[0035] Further as Figure 1 illustrated, preferably but not limitedly, the analyzer assembly 23 can include a plurality of parallelly arranged analyzers, Figure 1Three, namely the first analyzer 23A, the second analyzer 23B and the third analyzer 23C, which can be used to detect and analyze different impurities in the hydrogen after sampling and pressure reduction. When the utility model is used for on-site analysis, the analyzer assembly gas inlet valve 231 is opened, and the sample hydrogen can enter the aforementioned three different hydrogen impurity analyzers simultaneously for analysis and detection, that is, the analysis and detection of different items of hydrogen quality (water, total hydrocarbon, oxygen, helium, total nitrogen, argon, carbon dioxide, carbon monoxide, total sulfur, formaldehyde, formic acid, ammonia and total halide) according to the national standard analysis method (GB / T37244) are carried out simultaneously.

[0036] Further as Figure 1 shown, the low-pressure pipeline between the pressure reducing valve 14 and the safety valve 25 is provided with a filter 21 and a flow meter 22, which are used in cooperation, and the detection of the particulate content in the hydrogen can be completed by measuring the weight change of a certain amount of hydrogen sample before and after flowing through the filter membrane. Therefore, the utility model not only can use the analyzer to analyze and detect the different items of hydrogen quality according to the aforementioned national standard, but also can effectively detect the particulate content in the hydrogen.

[0037] The venting assembly 27 of the utility model is preferably a multi-section venting pipe. During the sampling process, the multi-section venting pipe is connected end to end and can be installed at the top of the vehicle through the quick-release joint to meet the discharge height standard requirement. The hydrogen after testing and the analyzer carrier gas can be discharged outside the vehicle body at a specified height through the venting assembly to ensure the safety of sampling, and the used venting assembly can be disassembled and stored in the vehicle compartment. In addition, the internal surfaces of all pipelines and valves in the detection vehicle 100 are passivated surfaces, which can prevent the adsorption of impurities specified in GB / T 37244 "Fuel hydrogen for proton exchange membrane fuel cell vehicles".

[0038] Further as Figure 1 shown, the detection vehicle 100 of the utility model further comprises a carrier gas cylinder 28 for providing carrier gas for the analyzer assembly 23 and a storage battery 4 for providing power for the analyzer assembly 23. For example, the first analyzer 23A is connected to the vehicle-mounted carrier gas cylinder 28, which can ensure the normal work of the first analyzer 23A. By setting the storage battery 4 (which can also be an inverter analyzer), 220V alternating current can be provided for the analyzer to ensure the normal work of the analysis and test. The detection vehicle 100 can also be provided with a hydrogen alarm 3, which can quickly alarm when the pipeline or valve in the vehicle leaks.

[0039] The detection process of the hydrogen quality detection vehicle of the utility model will be described in detail below: Figure 1

[0040] ​When it is necessary to detect the quality of hydrogen, the detection vehicle 100 drives to the site, connects the ground wire of the hydrogen filling station, installs the venting assembly 27, and the detection vehicle 100 connects the hydrogen filling gun, hydrogen storage tank, transport tank car or hydrogen production device of the hydrogen filling station through the sampling inlet; the high-pressure hydrogen flows through the high-pressure ball valve and the check valve of the corresponding sampling branch, and after the introduced hydrogen is reduced to the preset pressure (0.2-10 MPa) through the pressure reducing valve 14, it passes through the filter 21 and the flowmeter 22 respectively; when it is necessary to analyze on site, the analyzer assembly inlet valve 231 is opened, and the sample hydrogen enters different hydrogen impurity analyzers (i.e. the first analyzer 23A, the second analyzer 23B and the third analyzer 23C in the Figure 1 When the analyzers and the internal hydrogen of the pipeline are replaced, the quality of hydrogen is analyzed and detected according to the national standard analysis method (GB / T 37244) in different projects (i.e. water, total hydrocarbon, oxygen, helium, total nitrogen, argon, carbon dioxide, carbon monoxide, total sulfur, formaldehyde, formic acid, ammonia and total halide), and the weight change of the filter membrane inside the filter 21 before and after a certain amount of hydrogen sample flows through the filter membrane is measured, so that the detection of the particulate matter content in the hydrogen is completed; when it is necessary to retain the hydrogen sample, the filter membrane of the filter 21 can be taken out, the hydrogen sample bottle 24 is connected, the inlet valve 241 and the outlet valve 242 at both ends of the sample bottle 24 are opened, and the sampled hydrogen is continuously introduced to replace the residual gas inside the pipeline and the sample bottle 24; after the replacement is completed, the sample bottle outlet valve 242 is closed, the measured hydrogen is filled into the sample bottle 24, the inlet valve 241 of the sample bottle is closed after the gas pressure (0.2-10 MPa) is stable, and the gas bottle valves (not shown in the figure) at both ends of the sample bottle 24 are closed; the sample bottle 24 is removed, and the collection of one hydrogen sample is completed; when it is necessary to retain multiple samples, a new sample bottle can be reconnected, and the replacement and hydrogen collection work is repeated until the sample collection is completed. After the on-line test and sample retention of the hydrogen sample are completed, the internal hydrogen of the pipeline and the valves and other facilities is exhausted, all the valves are closed, the venting assembly 27 is removed and stored in the vehicle compartment, the sample bottle 24 is fixed, the hydrogen quality analysis report is completed, and the hydrogen on-site analysis and sampling work is completed.

[0041] The foregoing description of specific exemplary embodiments of the present application is intended for purposes of illustration and example only. These descriptions are not intended to limit the application in any way, but to explain the principles of the application and its practical application to thereby enable others skilled in the art to implement and utilize the application in various ways. Any simple modifications, equivalent changes, and modifications made to the above-described exemplary embodiments should fall within the scope of the present application.

Claims

1. A hydrogen quality detection vehicle, characterized by, The sampling pipeline, analyzer assembly and gas cylinder are integrated in the detection vehicle, a sampling inlet arranged at the tail of the vehicle is used for connecting a hydrogenation gun, a hydrogen storage tank or a transport tank truck of a hydrogenation station, and the detection vehicle is provided with: a high-pressure pipeline including three branch pipelines, each of which is respectively provided with a first sampling inlet, a second sampling inlet and a third sampling inlet, and a high-pressure ball valve and a one-way valve of the corresponding branch pipeline; a pressure reducing valve is arranged at the end of the high-pressure pipeline; a low-pressure pipeline connected with the pressure reducing valve and provided with a venting assembly capable of extending out of the vehicle from the roof at the end of the low-pressure pipeline, and the low-pressure pipeline is provided with an analyzer assembly and a sample bottle in parallel and controlled by respective gas inlet valves and gas outlet valves.

2. The hydrogen quality detection vehicle of claim 1, wherein The first sampling inlet is used for connecting the hydrogen storage tank or the transport tank truck and sequentially connecting the first high-pressure ball valve and the first one-way valve on the corresponding branch pipeline; the second sampling inlet is used for connecting the 35MPa hydrogenation gun of the hydrogenation station and sequentially connecting the second high-pressure ball valve and the second one-way valve on the corresponding branch pipeline; and the third sampling inlet is used for connecting the 70MPa hydrogenation gun of the hydrogenation station and sequentially connecting the third high-pressure ball valve and the third one-way valve on the corresponding branch pipeline.

3. The hydrogen quality detection vehicle of claim 2, wherein, The third sampling inlet is provided with an infrared communication interface.

4. The hydrogen quality detection vehicle of claim 1, wherein, A fourth one-way valve is arranged on the upstream pipeline of the venting assembly; a safety valve is arranged between the pressure reducing valve and the fourth one-way valve and used for guiding the hydrogen to the fourth one-way valve and venting when the pressure of the hydrogen in the low-pressure pipeline is higher than a threshold value due to a fault of the pressure reducing valve; and the safety valve is arranged in parallel with the analyzer assembly and the sample bottle.

5. The hydrogen quality detection vehicle of claim 4, wherein, The fourth one-way valve is connected with the gas outlet valve of the analyzer assembly and the gas outlet valve of the sample bottle.

6. The hydrogen quality detection vehicle of claim 4, wherein, The analyzer assembly includes a plurality of analyzers arranged in parallel and used for detecting different impurities in the hydrogen after sampling and pressure reduction.

7. The hydrogen quality detection vehicle of claim 4, wherein, A filter and a flow meter are arranged at the front end of the low-pressure pipeline between the pressure reducing valve and the safety valve, and the detection of the particulate matter content in the hydrogen is completed by measuring the weight change of a certain amount of hydrogen sample before and after flowing through the filter membrane of the filter.

8. The hydrogen quality detection vehicle of claim 1, wherein, The detection vehicle is provided with a carrier gas cylinder used for providing carrier gas for the analyzer assembly and a storage battery used for providing power for the analyzer assembly; and the detection vehicle is further provided with a hydrogen alarm.

9. The hydrogen quality detection vehicle of claim 1, wherein, The venting assembly is a multi-section venting pipe; during the sampling process, the multi-section venting pipe is connected head to tail and installed at the roof position through quick-release joints, so as to meet the discharge height standard requirement.

10. The hydrogen quality detection vehicle of claim 1, wherein, The internal surfaces of the pipelines and valves in the detection vehicle are passivated surfaces.

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