CN111853530A - Detection device and detection method for vehicle-mounted hydrogen system - Google Patents
Detection device and detection method for vehicle-mounted hydrogen system Download PDFInfo
- Publication number
- CN111853530A CN111853530A CN202010838390.5A CN202010838390A CN111853530A CN 111853530 A CN111853530 A CN 111853530A CN 202010838390 A CN202010838390 A CN 202010838390A CN 111853530 A CN111853530 A CN 111853530A
- Authority
- CN
- China
- Prior art keywords
- valve
- vehicle
- pressure
- detection device
- pipe
- 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.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
- F17D1/065—Arrangements for producing propulsion of gases or vapours
- F17D1/07—Arrangements for producing propulsion of gases or vapours by compression
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/012—Hydrogen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
- F17C2225/0107—Single phase
- F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/06—Fluid distribution
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/06—Fluid distribution
- F17C2265/068—Distribution pipeline networks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0165—Applications for fluid transport or storage on the road
- F17C2270/0184—Fuel cells
-
- 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
-
- 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
- Y02E60/34—Hydrogen distribution
Abstract
The invention discloses a detection device and a detection method for a vehicle-mounted hydrogen system, and the detection device comprises a pressurizing device and a test device, wherein the pressurizing device comprises a pressurizing pump and a buffer tank, the test device comprises a hydrogen concentration detector, a plurality of pressure sensors and temperature sensors, an inlet pipe of the pressurizing pump is sequentially connected with a valve group I, the pressure sensor 1, the temperature sensor 1 and a filter 1 through pipelines, an inlet end of the filter 1 is respectively connected with a hydrogen pipe network and a nitrogen pipe network in parallel, an outlet pipe of the pressurizing pump is connected with a one-way valve 3 and the buffer tank, and an outlet of the buffer tank is connected with a hydrogenation gun and a valve body to be detected in parallel. The low-pressure nitrogen/helium gas is pressurized through the gas drive booster pump, the system can be pressurized to a required pressure value according to the setting of the control system, and a better using effect is achieved when a pipe valve or a system pipeline is tested.
Description
Technical Field
The invention relates to a hydrogen fuel cell automobile, in particular to a detection device and a detection method for a vehicle-mounted hydrogen system, and belongs to the technical field of automobile engine equipment detection.
Background
The new energy automobile has great significance for solving the problems of environmental pollution and energy crisis, and draws more and more attention. The hydrogen fuel cell automobile becomes a hotspot for electric automobile research due to no pollution and zero emission, and overcomes the defect of short driving range of the pure electric automobile. Meanwhile, the hydrogen fuel cell automobile has the advantages of high energy conversion efficiency, environmental friendliness and the like which are incomparable with internal combustion engine automobiles, and still maintains the performances of acceleration performance, high speed, long-distance running, safety, comfort and the like of the traditional internal combustion engine automobile.
At present, hydrogen fuel cell automobile technology is still in the research, development and demonstration operation stage, and a large number of problems need to be systematically considered and solved in the aspects of vehicle system technology, hydrogenation facilities, vehicle hydrogen storage, manufacturing cost, operation experience, standards and regulations, and the like, which requires close cooperation between governments, enterprises, research institutions and governments of various countries. Therefore, it is necessary to develop research on hydrogen fuel cell automobile technical solutions and research on testing techniques.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the invention provides a detection device and a detection method for a vehicle-mounted hydrogen system, wherein a booster pump uses compressed air provided by an air compressor as driving gas, low-pressure nitrogen/helium gas is boosted by the air-driven booster pump, the system can be boosted to a required pressure value according to a control system, and a pipe valve piece test or a system pipeline test is carried out, and a high-pressure gas outlet is divided into two paths: one path is connected with a hydrogenation gun, and the hydrogenation gun is connected with a hydrogen fuel cell vehicle to perform leak detection operation on a vehicle hydrogen storage system; and the other path is connected in the system and is connected to the inside of the high-pressure tested valve body by a high-pressure hose or a hard pipe, so that the existing problems are solved.
The technical scheme of the invention is as follows: the utility model provides a detection apparatus for be used for on-vehicle hydrogen system, it includes supercharging equipment and test equipment, supercharging equipment includes booster pump and buffer tank, test equipment is including hydrogen concentration detector, a plurality of pressure sensor and temperature sensor, inlet tube at the booster pump has connected gradually valves one through the pipeline, pressure sensor 1, temperature sensor 1 and filter 1, there are hydrogen pipe network and nitrogen gas pipe network in filter 1's entry end respectively parallelly connected, be connected with check valve 3 and buffer tank on the outlet pipe of booster pump, the buffer tank export has parallelly connected the hydrogenation rifle and is surveyed the valve body.
The hydrogen pipe network is provided with a high-pressure hose 1, a ball valve 1 and a check valve 1, the nitrogen pipe network is provided with a high-pressure hose 2, a ball valve 2 and a check valve 2, and the hydrogen pipe network and the nitrogen pipe network are both provided with electrostatic grounding devices.
The first valve group is a pressure regulating valve, a ball valve 3 and a pneumatic ball valve 1 which are connected in parallel.
The booster pump is communicated with compressed air through a second valve bank, a pressure gauge 3, a filter 2 and a high-pressure hose 3, and the second valve bank is a ball valve 7 and an electromagnetic valve which are connected in parallel.
And a pressure gauge 2, a pressure sensor 2 and a temperature sensor 2 are respectively arranged on a pipeline between the check valve 3 and the buffer tank.
And a high-pressure hose 4 and a ball valve 5 are respectively arranged on an inlet pipe of the hydrogenation gun.
The inlet of the valve body to be tested is provided with a ball valve 6, the outlet pipe is communicated with the emptying pipe through a needle valve 2, and the outlet pipe is also provided with a pressure sensor 3.
The pipeline between buffer tank and ball valve 5 is last to have unloading valve and needle valve 1 through three way connection respectively, needle valve 1 is through valves three and blow-down pipe intercommunication, is equipped with the spark arrester on the blow-down pipe, and valves three are parallelly connected ball valve 4 and pneumatic ball valve 2.
The test equipment further comprises an explosion-proof control system, and the explosion-proof control system is connected with the hydrogen concentration detector, the electromagnetic valve, the pressure sensor 1, the pressure sensor 2, the temperature sensor 2 and the pressure sensor 3 through cables respectively.
A detection method for a detection device of a vehicle-mounted hydrogen system, the method comprising the steps of: firstly, preparing before pressurization operation; secondly, filling operation; thirdly, detecting the valve body; and fourthly, detecting a valve.
The invention has the beneficial effects that: compared with the prior art, the booster pump adopts the technical scheme that the air compressor provides compressed air as driving gas, the low-pressure nitrogen/helium gas is pressurized through the air-driven booster pump, the system can be pressurized to a required pressure value according to the setting of the control system, and a pipe valve test or a system pipeline test is carried out, wherein a high-pressure gas outlet is divided into two paths: one path is connected with a hydrogenation gun, and the hydrogenation gun is connected with a hydrogen fuel cell vehicle to perform leak detection operation on a vehicle hydrogen storage system; and the other path is connected in the system and is connected to the inside of the high-pressure tested valve body by a high-pressure hose or a hard pipe, so that a good use effect is achieved.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
Example 1: as shown in the attached drawing 1, a detection device for on-vehicle hydrogen system, it includes supercharging equipment and test equipment, supercharging equipment includes booster pump and buffer tank, test equipment is including hydrogen concentration detector, a plurality of pressure sensor and temperature sensor, inlet tube at the booster pump has connected gradually valves one through the pipeline, pressure sensor 1, temperature sensor 1 and filter 1, there are hydrogen pipe network and nitrogen gas pipe network in filter 1's entry end respectively in parallel, be connected with check valve 3 and buffer tank on the outlet pipe of booster pump, the buffer tank export has connected in parallel the hydrogenation rifle and is surveyed the valve body.
Further, a high-pressure hose 1, a ball valve 1 and a check valve 1 are arranged on the hydrogen pipe network, a high-pressure hose 2, a ball valve 2 and a check valve 2 are arranged on the nitrogen pipe network, and electrostatic grounding devices are arranged on the hydrogen pipe network and the nitrogen pipe network.
Further, the first valve group is a pressure regulating valve, a ball valve 3 and a pneumatic ball valve 1 which are connected in parallel.
Further, the booster pump is communicated with the compressed air through a second valve bank, a pressure gauge 3, a filter 2 and a high-pressure hose 3, and the second valve bank is a ball valve 7 and an electromagnetic valve which are connected in parallel.
Furthermore, a pressure gauge 2, a pressure sensor 2 and a temperature sensor 2 are respectively arranged on a pipeline between the check valve 3 and the buffer tank.
Furthermore, a high-pressure hose 4 and a ball valve 5 are respectively arranged on an inlet pipe of the hydrogenation gun.
Further, the inlet of the valve body to be detected is provided with a ball valve 6, the outlet pipe is communicated with the emptying pipe through a needle valve 2, and the outlet pipe is also provided with a pressure sensor 3.
Further, there are unloading valve and needle valve 1 through three way connection respectively on the pipeline between buffer tank and the ball valve 5, needle valve 1 is equipped with the spark arrester through valves three and blow-down pipe intercommunication, blow-down pipe, and valves three are parallelly connected ball valve 4 and pneumatic ball valve 2.
Further, the test equipment also comprises an explosion-proof control system, and the explosion-proof control system is respectively connected with the hydrogen concentration detector, the electromagnetic valve, the pressure sensor 1, the pressure sensor 2, the temperature sensor 2 and the pressure sensor 3 through cables.
The device mainly comprises a pressurization system and a test system. The pressurization system is composed of a gas booster pump, a pressure sensor, a high-pressure valve, a pipe fitting and the like, and is suitable for pressurization of medium gases such as nitrogen, helium and the like. The test system mainly has the function of detecting whether the leakage problem exists in the components of the hydrogen fuel cell engine system
The high-pressure pipe and the low-pressure pipe are connected to the front end and the rear end of the valve through interfaces of different forms, and whether the pipe valve leaks or not is judged by monitoring the numerical values of the pressure sensors at the front end and the rear end. Meanwhile, the hydrogen gun is connected with a hydrogen fuel cell vehicle to perform leak detection operation on the vehicle.
The booster pump uses compressed air provided by the air compressor as driving gas, the low-pressure nitrogen/helium gas is boosted by the air-driven booster pump, and the system can be boosted to a required pressure value according to the setting of the control system to test the pipe valve or the system pipeline.
The high-pressure gas outlet of the invention is divided into two paths: one path is connected with a hydrogenation gun, and the hydrogenation gun is connected with a hydrogen fuel cell automobile to perform leak detection operation on a vehicle hydrogen storage system; and the other path is connected inside the system and is connected to the inside of the high-pressure tested valve body by a high-pressure hose or a hard pipe.
In the invention, the buffer tank is adopted and is used for buffering the pressure fluctuation of the system in the system, so that the system works more stably, the gas consumption is prevented from being increased suddenly, and the gas storage in the tank can play a role of buffering. When the air consumption is changed, the air intake valve adjusts the opening degree of the valve body through the control system to match the air consumption, and the air intake valve is a valve for controlling air intake and non-air intake of the air compressor.
The invention adopts the unloading valve, has the function that when the air consumption is changed, the air intake valve adjusts the opening degree of the valve body through the control system to match the air consumption, is a valve element for controlling air intake and non-air intake, and belongs to a circuit merged in a circuit.
In the invention, a flame arrester is adopted, the flame arrester prevents external flame from entering equipment and pipelines containing inflammable and explosive gas or prevents flame from spreading between the equipment and the pipelines, and the flame arrester consists of a solid material (flame arresting element) which can pass through gas and has a plurality of tiny channels or gaps. In the present invention is a safety device for preventing the outward spread of hydrogen flame.
The needle valve adopted in the invention is one of throttle valves, is a fine adjustment valve, has a needle-shaped valve plug, has higher adjustment precision, and is mainly used for adjusting the air flow.
A detection method for a detection device of a vehicle-mounted hydrogen system, the method comprising the steps of: firstly, preparing before pressurization operation; secondly, filling operation; thirdly, detecting the valve body; and fourthly, detecting a valve.
First, preparation work before supercharging operation:
firstly, setting a charging operation safety warning area, and forbidding the fire, the mobile phone and the irrelevant personnel to enter the warning area when hydrogen is charged;
secondly, opening the booster pump, drawing out two electrostatic grounding clamps, and respectively clamping a field grounding pile and a grounding end of the vehicle to be filled with the gas;
butt-jointing the field compressed air with the compressed air interface of the system;
fourthly, confirming that all the ball valves and the needle valves are closed;
connecting a compressed air source with the system, opening the ball valve 1 or the ball valve 2, and reading the pressure of the hydrogen/nitrogen source by the pressure gauge 1;
II, filling operation:
firstly, taking down a hydrogenation gun from the system of the invention, and connecting the hydrogenation gun with a hydrogenation port of a hydrogen fuel cell vehicle;
opening the ball valves 3 and 6 to make the hydrogen/nitrogen source enter the tested valve member by means of pressure difference;
thirdly, opening the ball valve 7 and starting the booster pump to work; the reading of the pressure gauge 2 is the pressurization pressure of the hydrogen/nitrogen source;
closing the ball valve 7 and stopping pressurizing when the reading of the pressure gauge 2 reaches the required pressure;
taking down the hydrogenation gun from the hydrogen fuel cell vehicle and returning to the original place;
sixthly, opening the ball valve 4, slowly opening the needle valve 1, discharging the gas in the equipment, and discharging the gas
Resetting and closing the valve;
thirdly, detecting the valve body (manually):
placing a tested valve body in a test chamber, and connecting the tested valve body with an air inlet pipeline and an exhaust pipeline in the test chamber;
opening the ball valve 3 and the ball valve 5 to enable the hydrogen/nitrogen source to enter a vehicle-mounted hydrogen storage system of the hydrogen fuel cell vehicle by means of pressure difference;
thirdly, opening the ball valve 7 and starting the booster pump to work; the reading of the pressure gauge 2 is the supercharging pressure;
closing the ball valve 7 and stopping pressurizing when the reading of the pressure gauge 2 reaches the required pressure;
determining the pressure maintaining time according to the test requirement;
after the pressure maintaining is finished, opening the ball valve 4, slowly opening the needle valve 1, discharging the gas in the equipment, and resetting and closing the valve after the gas is discharged;
fourthly, detecting a valve (automatic):
placing a tested valve body in a test chamber, and connecting the tested valve body with an air inlet pipeline and an exhaust pipeline in the test chamber;
opening the ball valve 3 and the ball valve 5 to enable the hydrogen/nitrogen source to enter a vehicle-mounted hydrogen storage system of the hydrogen fuel cell vehicle by means of pressure difference;
inputting the pressure required by the test in a computer, keeping the pressure time and starting clicking;
and fourthly, after the pressure maintaining is finished, opening the ball valve 4, slowly opening the needle valve 1, discharging the gas in the equipment, and resetting and closing the valve after the gas is discharged.
The booster pump of the invention uses compressed air provided by an air compressor as driving gas, the low-pressure nitrogen/helium gas is pressurized by the air-driven booster pump, the system can be pressurized to a required pressure value according to the setting of a control system, and a pipe valve piece test or a system pipeline test is carried out, and a high-pressure gas outlet is divided into two paths: one path is connected with a hydrogenation gun, and the hydrogenation gun is connected with a hydrogen fuel cell vehicle to perform leak detection operation on a vehicle hydrogen storage system; and the other path is connected in the system and is connected to the inside of the high-pressure tested valve body by a high-pressure hose or a hard pipe, so that a good use effect is achieved.
The present invention is not described in detail, but is known to those skilled in the art. Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. A detection device for an on-vehicle hydrogen system, characterized in that: it includes supercharging equipment and test equipment, supercharging equipment includes booster pump and buffer tank, and test equipment is including hydrogen concentration detector, a plurality of pressure sensor and temperature sensor, has connected gradually valves one, pressure sensor 1, temperature sensor 1 and filter 1 at the inlet tube of booster pump through the pipeline, and the entry end at filter 1 has hydrogen pipe network and nitrogen gas pipe network in parallel respectively, is connected with check valve 3 and buffer tank on the outlet pipe of booster pump, and the buffer tank export has the hydrogenation rifle in parallel and is surveyed the valve body.
2. The detection device for the vehicle-mounted hydrogen system according to claim 1, characterized in that: the hydrogen pipe network is provided with a high-pressure hose 1, a ball valve 1 and a check valve 1, the nitrogen pipe network is provided with a high-pressure hose 2, a ball valve 2 and a check valve 2, and the hydrogen pipe network and the nitrogen pipe network are both provided with electrostatic grounding devices.
3. The detection device for the vehicle-mounted hydrogen system according to claim 1, characterized in that: the first valve group is a pressure regulating valve, a ball valve 3 and a pneumatic ball valve 1 which are connected in parallel.
4. The detection device for the vehicle-mounted hydrogen system according to claim 1, characterized in that: the booster pump is communicated with compressed air through a second valve bank, a pressure gauge 3, a filter 2 and a high-pressure hose 3, and the second valve bank is a ball valve 7 and an electromagnetic valve which are connected in parallel.
5. The detection device for the vehicle-mounted hydrogen system according to claim 1, characterized in that: and a pressure gauge 2, a pressure sensor 2 and a temperature sensor 2 are respectively arranged on a pipeline between the check valve 3 and the buffer tank.
6. The detection device for the vehicle-mounted hydrogen system according to claim 1, characterized in that: and a high-pressure hose 4 and a ball valve 5 are respectively arranged on an inlet pipe of the hydrogenation gun.
7. The detection device for the vehicle-mounted hydrogen system according to claim 1, characterized in that: the inlet of the valve body to be tested is provided with a ball valve 6, the outlet pipe is communicated with the emptying pipe through a needle valve 2, and the outlet pipe is also provided with a pressure sensor 3.
8. The detection device for the vehicle-mounted hydrogen system according to claim 1, characterized in that: the pipeline between buffer tank and ball valve 5 is last to have unloading valve and needle valve 1 through three way connection respectively, needle valve 1 is through valves three and blow-down pipe intercommunication, is equipped with the spark arrester on the blow-down pipe, and valves three are parallelly connected ball valve 4 and pneumatic ball valve 2.
9. The detection device for the vehicle-mounted hydrogen system according to claim 1, characterized in that: the test equipment further comprises an explosion-proof control system, and the explosion-proof control system is connected with the hydrogen concentration detector, the electromagnetic valve, the pressure sensor 1, the pressure sensor 2, the temperature sensor 2 and the pressure sensor 3 through cables respectively.
10. The detection method of the detection device for the vehicle-mounted hydrogen system according to any one of claims 1 to 9, characterized in that: the method comprises the following steps: firstly, preparing before pressurization operation; secondly, filling operation; thirdly, detecting the valve body; and fourthly, detecting a valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010838390.5A CN111853530A (en) | 2020-08-19 | 2020-08-19 | Detection device and detection method for vehicle-mounted hydrogen system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010838390.5A CN111853530A (en) | 2020-08-19 | 2020-08-19 | Detection device and detection method for vehicle-mounted hydrogen system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111853530A true CN111853530A (en) | 2020-10-30 |
Family
ID=72969330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010838390.5A Pending CN111853530A (en) | 2020-08-19 | 2020-08-19 | Detection device and detection method for vehicle-mounted hydrogen system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111853530A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532843A (en) * | 2021-06-29 | 2021-10-22 | 上海舜华新能源系统有限公司 | Precooling hydrogen exposure test device and test method |
| CN113623534A (en) * | 2021-07-30 | 2021-11-09 | 正星氢电科技郑州有限公司 | Emergency hydrogen filling system and method |
-
2020
- 2020-08-19 CN CN202010838390.5A patent/CN111853530A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532843A (en) * | 2021-06-29 | 2021-10-22 | 上海舜华新能源系统有限公司 | Precooling hydrogen exposure test device and test method |
| CN113623534A (en) * | 2021-07-30 | 2021-11-09 | 正星氢电科技郑州有限公司 | Emergency hydrogen filling system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107420230B (en) | Carbon tank high-load desorption pipeline desorption flow diagnosis method | |
| CN202720101U (en) | Pipeline gas tightness detection apparatus | |
| CN111853530A (en) | Detection device and detection method for vehicle-mounted hydrogen system | |
| CN210719584U (en) | Vehicle-mounted hydrogen system detection and filling device | |
| CN101995319B (en) | Airtightness testing machine | |
| CN208672312U (en) | The low-temp low-pressure experimental cabin of simulated altitude | |
| CN111928111A (en) | Modularization hydrogenation station and hydrogen sensitive tracing leakage monitoring system thereof | |
| CN205483454U (en) | Car car light gas tightness test equipment | |
| CN109580229A (en) | A kind of consecutive pressurization system syndication platform experimental rig | |
| CN110749445B (en) | Ramjet direct-connected test device utilizing detonation driving technology | |
| CN201754118U (en) | Tightness detection device and tightness detection system | |
| CN212408251U (en) | Detection device for vehicle-mounted hydrogen system | |
| CN210071257U (en) | Gas tightness test bed for fuel cell | |
| CN110146298B (en) | Engine fuel system testing device and method | |
| CN102305694A (en) | Four-way valve helium leakage detection device with comprehensive performance testing function | |
| CN112098018A (en) | Carbon tank test system and test method | |
| CN201096593Y (en) | Automobile fuel system hermeticity detector | |
| CN207516035U (en) | A kind of natural gas engine gas handling system performance sealing test bushing | |
| CN1094196C (en) | Dual-fuel automotive high pressure duct leakage detecting device | |
| CN209894426U (en) | Automatic airtight test system | |
| CN101832845A (en) | Self-correcting system and method for sealing test of exhaust gas turbocharger | |
| CN213658201U (en) | Hydrogen system detection device | |
| CN112145957A (en) | 35MPa hydrogenation supercharging device of hydrogen fuel cell passenger car | |
| CN211824920U (en) | Vehicle-mounted liquid hydrogen valve inner leakage detection device | |
| CN113532867A (en) | Explosion-proof performance testing device for air intake and exhaust system of explosion-proof internal combustion engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |