CN114865008A - Reliability testing device and method for fuel cell hydrogen injector - Google Patents
Reliability testing device and method for fuel cell hydrogen injector Download PDFInfo
- Publication number
- CN114865008A CN114865008A CN202210650293.2A CN202210650293A CN114865008A CN 114865008 A CN114865008 A CN 114865008A CN 202210650293 A CN202210650293 A CN 202210650293A CN 114865008 A CN114865008 A CN 114865008A
- Authority
- CN
- China
- Prior art keywords
- injector
- test
- reliability
- fuel cell
- hydrogen
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 212
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 239000001257 hydrogen Substances 0.000 title claims abstract description 76
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 76
- 239000000446 fuel Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims description 4
- 239000007789 gas Substances 0.000 claims description 15
- 239000012535 impurity Substances 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 230000001276 controlling effect Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 10
- 238000001816 cooling Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0438—Pressure; Ambient pressure; Flow
-
- 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
- Y02E60/50—Fuel cells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a reliability testing device and a reliability testing method for a hydrogen injector of a fuel cell, and relates to the technical field of reliability. The reliability testing device of the fuel cell hydrogen injector comprises a first air inlet module, a first testing module and a second testing module, wherein the first air inlet module is used for providing required air, the first testing module comprises a first testing box and a first tested injector, the first tested injector is arranged in the first testing box and connected with the first air inlet module, the second testing module comprises a second tested injector and a second testing box, the second testing box is connected with the first tested injector, a sealing cavity full of hydrogen is arranged in the second testing box, and the second tested injector is used for exhausting in the sealing cavity. The reliability testing device of the fuel cell hydrogen injector can greatly reduce the reliability testing cost and improve the safety of the reliability test.
Description
Technical Field
The invention relates to the technical field of reliability, in particular to a reliability testing device and a reliability testing method for a fuel cell hydrogen injector.
Background
The hydrogen injector is used for controlling the pressure and flow of hydrogen entering the fuel cell and correspondingly adjusting the pressure and flow according to the working condition requirement, namely, the hydrogen flow at the outlet of the fuel cell is adjusted by controlling the frequency of the exhaust action of the hydrogen injector. In order to ensure the quality of the hydrogen injector, the hydrogen injector is usually subjected to a reliability test, i.e., a simulation of the actual operation of the hydrogen injector is performed to evaluate the service life of the hydrogen injector. Considering that the hydrogen injector needs to perform a reliability test in a sealed environment filled with hydrogen, on one hand, the sealing performance of the environment is gradually reduced along with the use time, and on the other hand, hydrogen is easily flammable in the air, so that the safety degree of the reliability test is difficult to ensure.
Disclosure of Invention
One of the objectives of the present invention is to provide a reliability testing device for a hydrogen injector of a fuel cell, which can greatly reduce the reliability testing cost and improve the safety of the reliability test.
In order to achieve the technical effects, the technical scheme of the invention is as follows:
as an alternative to the reliability testing apparatus of the fuel cell hydrogen injector, there is provided:
a first air intake module for providing required air;
a first test module comprising a first test chamber and a first injector under test disposed within the first test chamber and connected to the first air intake module;
the second test module comprises a second tested ejector and a second test box, the second test box is connected with the first tested ejector, a sealed cavity filled with hydrogen is arranged in the second test box, and the second tested ejector performs an exhaust action in the sealed cavity.
As an alternative to the reliability testing apparatus of the fuel cell hydrogen injector, the first air intake module includes an air supply unit and a regulating unit connected to the air supply unit and the first injector under test, respectively, the air supply unit is configured to supply air, and the regulating unit is configured to regulate a temperature of the air to supply the required air to the first injector under test.
As an alternative to the reliability testing device for a hydrogen injector of a fuel cell, the first testing module includes a first collecting unit disposed in the first testing box and at an outlet of the first injector under test, the first collecting unit being configured to collect impurities generated when the first injector under test is injected.
As an alternative to the reliability testing device for a hydrogen injector of a fuel cell, the first injector to be tested is provided in plurality, and the first collecting units correspond to the first injectors to be tested one by one.
As an alternative to the reliability testing apparatus for a fuel cell hydrogen injector, the first testing module further includes a first flow meter and a first control valve connected to each other, the first flow meter and the first control valve being disposed in the first testing tank, the first flow meter being disposed at an outlet of the first injector under test, and the first control valve being configured to regulate a back pressure at the outlet of the first injector under test.
As an alternative to the reliability testing device for the fuel cell hydrogen injector, the second testing module further includes a second control valve and a second collecting unit, the second control valve is disposed in the second testing box and used for controlling the air pressure in the sealing cavity, the second collecting unit is disposed at an outlet of the second injector to be tested, and the second collecting unit is used for collecting impurities generated when the second injector to be tested performs an exhaust action.
As an alternative to the reliability testing device for the hydrogen injector of the fuel cell, the second injector to be tested is provided in plurality, and the second collecting units correspond to the second injectors to be tested one by one.
As an alternative to the reliability testing device for the fuel cell hydrogen injector, the reliability testing device for the fuel cell hydrogen injector further comprises a second air inlet module, and the second air inlet module is arranged in the second testing box and used for supplying hydrogen to the sealing cavity.
The invention has the beneficial effects that: the invention provides a reliability test device of a fuel cell hydrogen injector, which is characterized in that a first tested injector sprays required air in a first test box to test the state of the first tested injector in air spraying for a long time, and a second tested injector performs exhaust action in a sealing cavity of a second test box to test the state of the second tested injector in a hydrogen environment for a long time. In addition, the first tested ejector is controlled to be ejected to be discharged into the second test box, so that the air circulation rate in the second test box is guaranteed, the phenomenon that hydrogen in the sealing cavity is flammable and explosive when the hydrogen leaks into the second test box is avoided, and the safety of a reliability test is improved.
Another object of the present invention is to provide a method for testing reliability of a hydrogen injector of a fuel cell, which can greatly reduce the cost of the reliability test and improve the safety of the reliability test based on the above-mentioned reliability testing device of the hydrogen injector of the fuel cell.
In order to achieve the technical effects, the technical scheme of the invention is as follows:
a reliability test method of a fuel cell hydrogen injector is based on the reliability test device of the fuel cell hydrogen injector, and comprises the following steps:
the first tested ejector sprays the required air in the first test box and discharges the air into the second test box;
and the second tested ejector performs an exhaust action in a sealed cavity of the second test box, and the sealed cavity is filled with hydrogen.
As an alternative to the reliability testing method for the fuel cell hydrogen injectors, the step of the first injector under test injecting the required air in a first test chamber and discharging it into a second test chamber includes adjusting an outlet back pressure value of the first injector under test.
The invention has the beneficial effects that: the invention provides a reliability test method of a fuel cell hydrogen injector, which can greatly reduce the reliability test cost and improve the safety of the reliability test based on the reliability test device of the fuel cell hydrogen injector.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a reliability testing device for a hydrogen injector of a fuel cell according to an embodiment of the present invention.
Reference numerals:
1. a first intake module; 11. an air supply unit; 111. an air compressor; 112. an air cooling and drying machine; 113. a gas storage tank; 114. a filter; 12. an adjustment unit; 121. a mold temperature controller; 122. an intercooler;
2. a first test module; 20. a first test chamber; 21. a first injector under test; 22. a first acquisition unit; 23. a first flow meter; 24. a first control valve; 25. a first intake air rail; 26. a first on-off valve; 27. a first exhaust gas rail; 28. a first pressure sensor; 29. a second pressure sensor;
3. a second test module; 30. a second test chamber; 31. a second injector under test; 32. a second control valve; 33. a second acquisition unit; 34. a second on-off valve; 35. a second intake air rail; 36. a second exhaust gas rail; 37. a third pressure sensor; 38. a fourth pressure sensor;
4. a second air intake module; 41. a hydrogen gas cylinder;
5. an air inlet pipe; 6. and (4) exhausting the gas.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
It will be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience and simplicity of description only and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning. Wherein the terms "first position" and "second position" are two different positions.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1, the present embodiment provides a reliability testing apparatus for a hydrogen injector of a fuel cell, including a first air intake module 1, a first testing module 2, and a second testing module 3, where the first air intake module 1 is configured to provide required air, the first testing module 2 includes a first testing box 20 and a first injector 21 to be tested, the first injector 21 to be tested is disposed in the first testing box 20 and connected to the first air intake module 1, the second testing module 3 includes a second injector 31 to be tested and a second testing box 30, the second testing box 30 is connected to the first injector 21 to be tested, a sealed cavity filled with hydrogen is disposed in the second testing box 30, and the second injector 31 to be tested performs an exhaust action in the sealed cavity.
It should be noted that the first injector under test 21 and the second injector under test 31 in this embodiment are both hydrogen injectors.
It can be understood that, the reliability test cost is greatly reduced by dividing the injection reliability test of the hydrogen injector in the hydrogen environment in the prior art into the reliability test of the hydrogen injector in the air environment and the hydrogen impregnation reliability test by injecting the required air into the first test box 20 by the first injector 21 to be tested so as to check the state of the first injector 21 to be tested when the air is injected for a long time and performing the exhaust action in the sealed cavity of the second test box 30 by the second injector 31 to be tested so as to check the state of the second injector 31 to be tested in the hydrogen environment for a long time. In addition, the control of the injection of the first tested injector 21 is discharged into the second test box 30, so that the air circulation rate in the second test box 30 is ensured, the generation of flammable and explosive phenomena when hydrogen in the sealing cavity leaks into the second test box 30 is avoided, and the safety of the reliability test is improved.
Specifically, in consideration of the influence of the temperature of the required air on the reliability test of the first injector under test 21, the first air intake module 1 includes an air supply unit 11 and a regulating unit 12 connected, the regulating unit 12 is connected to the air supply unit 11 and the first injector under test 21, respectively, the air supply unit 11 is used to supply air, and the regulating unit 12 is used to regulate the temperature of the air to supply the required air to the first injector under test 21.
Specifically, the air supply unit 11 includes an air compressor 111, an air cooling and drying machine 112, an air storage tank 113 and a filter 114 which are connected, the air is compressed by the air compressor 111, the air is heated by the compressed air and is cooled by the air cooling and drying machine 112, and is filtered by the filter 114, the adjusting unit 12 includes a mold temperature machine 121 and an intercooler 122 which are connected, the intercooler 122 is connected to the first injector 21 to be tested by a first air inlet rail 25, and the first air inlet rail 25 is disposed in the first test box 20. I.e., the temperature of the water is adjusted by the mold temperature controller 121 to change the temperature of the gas in the intercooler 122 so as to control the temperature of the gas output from the intercooler 122 to form the desired gas.
Further, the first testing module 2 includes a first collecting unit 22, the first collecting unit 22 is disposed in the first testing box 20 and disposed at an outlet of the first injector under test 21, and the first collecting unit 22 is used for collecting impurities generated when the first injector under test 21 sprays. Illustratively, the first acquisition unit 22 is an air filter 114. That is, before the reliability test is not started, the filter element of the air filter 114 is weighed, and then the reliability test is performed for a period of time t, and then the filter element is weighed again, so that the weight of the impurity sprayed from the first injector 21 to be tested within the time t can be obtained, and the reliability of the spraying of the first injector 21 to be tested can be judged by comparing the weight with the standard weight of the impurity.
Further, the first tested injectors 21 are provided in plurality, and the first collecting units 22 correspond to the first tested injectors 21 one by one, so that the testing efficiency is improved.
In this embodiment, the first testing module 2 further includes a first switch valve 26 disposed in the first testing box 20, and the first switch valve 26 is connected to the first intake air rail 25 and the first injector 21 to be tested, respectively, for controlling whether the required gas enters the first injector 21 to be tested. Illustratively, the first switching valve 26 is a shutoff valve. Considering that the first injector under test 21 is provided in plurality and the first switching valve 26 is also provided in plurality in the present embodiment, the first switching valve 26 corresponds to the first injector under test 21 one by one to control whether the test of each first injector under test 21 is started or not, respectively.
Further, the first testing module 2 further includes a first flow meter 23 and a first control valve 24 connected to each other, the first flow meter 23 and the first control valve 24 are both disposed in the first testing box 20, the first flow meter 23 is connected to an outlet of the first injector under test 21, and the first control valve 24 is used for adjusting a back pressure of the outlet of the first injector under test 21, that is, the first injector under test 21 is connected to the first flow meter 23 through a first exhaust gas rail 27. Illustratively, the first flow meter 23 is a venturi-type flow meter and the first control valve 24 is a backpressure control valve that functions to regulate the backpressure at the outlet of the first injector under test to simulate the actual environment of the first injector under test 21.
Optionally, the first testing module 2 further includes a first pressure sensor 28 and a second pressure sensor 29, which are used to detect the air pressure values of the first air inlet rail 25 and the first air outlet rail respectively in real time.
Further, the reliability testing device for the fuel cell hydrogen injector further comprises an air inlet pipe 5 and an air outlet pipe 6, wherein the air inlet pipe 5 is respectively connected with the first control valve 24 and the second testing box 30, and the air outlet pipe 6 is connected with the second testing box 30, namely, the gas sprayed by the first tested injector 21 enters the second testing box 30 from the air inlet pipe 5 and is discharged from the second testing box 30 through the air outlet pipe 6, so that the air circulation rate in the second testing box 30 is ensured.
In this embodiment, in consideration of a certain corrosiveness of the hydrogen gas, the second testing module 3 further includes a second control valve 32 and a second collecting unit 33, the second control valve 32 is disposed in the second testing box 30 and is used for controlling the gas pressure in the sealing cavity, the second collecting unit 33 is disposed at an outlet of the second injector 31 to be tested, and the second collecting unit 33 is used for collecting impurities generated when the second injector 31 to be tested performs an exhaust action and is connected to the second exhaust gas rail 36. The second acquisition unit 33 is exemplarily an air filter 114. That is, before the reliability test is not started, the filter element of the air filter 114 is weighed, and then the reliability test is performed for a period of time t, and then the filter element is weighed again, so that the weight of the impurities sprayed out by the second tested ejector 31 in the time t can be obtained, and the reliability condition that the second tested ejector 31 is in the hydrogen environment for spraying for a long time can be judged by comparing with the standard weight of the impurities. The second control valve 32 is illustratively a pressure reducing valve.
Optionally, the second testing module 3 further includes a third pressure sensor 37 and a fourth pressure sensor 38, which are configured to detect the pressure values of the second intake air rail 35 and the second exhaust air rail 36 in real time, respectively, so as to ensure that the pressure value of the hydrogen gas in the sealed cavity is always the target pressure value.
The reliability testing device of the fuel cell hydrogen injector further comprises a second air inlet module 4, wherein the second air inlet module 4 is arranged in the second testing box 30 and used for providing hydrogen for the sealing cavity. Specifically, the second intake module 4 includes hydrogen cylinders 41 for supplying hydrogen, and the hydrogen cylinders 41 are connected to the second control valve 32.
Specifically, the second injector to be tested 31 is provided in plurality, and the second collecting unit 33 corresponds to the second injector to be tested 31 one by one, so that the testing efficiency is improved.
In this embodiment, the second testing module 3 further includes a second switch valve 34 disposed in the first testing box 20, and the second switch valve 34 is connected to the second injector 31 to be tested and connected to the second control valve 32 through a second air inlet rail 35, so as to control whether the required air enters the second injector 31 to be tested. The second switching valve 34 is exemplarily a shutoff valve. Considering that the second injector under test 31 is provided in plurality and the second switching valve 34 is also provided in plurality in the present embodiment, the second switching valve 34 is in one-to-one correspondence with the second injector under test 31 to control whether the test of each second injector under test 31 is started or not, respectively.
Based on the reliability testing device for the fuel cell hydrogen injector, the embodiment further provides a reliability testing method for the fuel cell hydrogen injector, which includes the following steps:
the first injector under test 21 injects the required air in the first test chamber 20 and discharges it into the second test chamber 30;
the second injector 31 under test performs a venting action in the sealed chamber of the second test chamber 30, which is filled with hydrogen.
Further, the step of injecting the required air from the first injector 21 into the first test box 20 and discharging the air into the second test box 30 includes adjusting the outlet back pressure of the first injector 21 to switch the outlet evacuation and outlet back pressure test conditions of the hydrogen injector, so as to simulate that the outlet of the first injector 21 has a back pressure condition, and test the operating characteristics of the first injector 21 in the environment closer to the actual operating pressure.
In the description herein, references to the description of "some embodiments," "other embodiments," or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (10)
1. A reliability testing device for a hydrogen injector of a fuel cell, comprising:
a first air intake module (1), the first air intake module (1) being for providing required air;
a first test module (2), the first test module (2) comprising a first test box (20) and a first injector under test (21), the first injector under test (21) being disposed within the first test box (20) and connected to the first air intake module (1);
the second test module (3), the second test module (3) includes that second is surveyed sprayer (31) and second test box (30), second test box (30) with first is surveyed sprayer (21) and is connected, be provided with the sealed chamber that is full of hydrogen in second test box (30), second is surveyed sprayer (31) and is in do the exhaust action in the sealed chamber.
2. The reliability testing device of the fuel cell hydrogen injector according to claim 1, wherein the first air intake module (1) comprises an air supply unit (11) and a regulating unit (12) connected, the regulating unit (12) is respectively connected with the air supply unit (11) and the first injector under test (21), the air supply unit (11) is used for supplying air, and the regulating unit (12) is used for regulating the temperature of the air to supply the required air to the first injector under test (21).
3. The fuel cell hydrogen injector reliability test device according to claim 1, wherein the first test module (2) comprises a first collecting unit (22), the first collecting unit (22) is arranged in the first test box (20) and at an outlet of the first injector under test (21), and the first collecting unit (22) is used for collecting impurities generated when the first injector under test (21) injects.
4. The reliability test device of a fuel cell hydrogen injector according to claim 3, characterized in that the first injector under test (21) is provided in plurality, and the first collecting unit (22) corresponds one-to-one to the first injector under test (21).
5. The fuel cell hydrogen injector reliability test device according to any one of claims 1 to 3, wherein the first test module (2) further comprises a first flow meter (23) and a first control valve (24) connected, the first flow meter (23) and the first control valve (24) are both arranged in the first test box (20), the first flow meter (23) is arranged at an outlet of the first injector under test (21), and the first control valve (24) is used for adjusting the back pressure of the outlet of the first injector under test (21).
6. The fuel cell hydrogen injector reliability test device according to any one of claims 1 to 3, wherein the second test module (3) further comprises a second control valve (32) and a second collection unit (33), the second control valve (32) is disposed in the second test box (30) for controlling the gas pressure in the sealed chamber, the second collection unit (33) is disposed at an outlet of the second injector (31) to be tested, and the second collection unit (33) is used for collecting impurities generated when the second injector (31) to be tested performs an exhaust action.
7. The reliability testing device of the fuel cell hydrogen injector according to claim 6, characterized in that the second injector under test (31) is provided in plurality, and the second collecting unit (33) corresponds to the second injector under test (31) in one-to-one correspondence.
8. The fuel cell hydrogen injector reliability test device according to any one of claims 1 to 3, further comprising a second gas inlet module (4), wherein the second gas inlet module (4) is disposed in the second test box (30) for supplying hydrogen gas into the sealed chamber.
9. A reliability test method of a hydrogen injector for a fuel cell based on the reliability test apparatus of a hydrogen injector for a fuel cell according to any one of claims 1 to 8, characterized by comprising the steps of:
a first injector under test (21) injects the required air in a first test chamber (20) and discharges it into a second test chamber (30);
the second injector (31) to be tested performs the exhaust action in the sealed cavity of the second test box (30), and the sealed cavity is filled with hydrogen.
10. The method for testing the reliability of a fuel cell hydrogen injector according to claim 9, wherein the step of injecting the required air in a first test tank (20) and discharging it into a second test tank (30) by a first injector under test (21) comprises adjusting an outlet back pressure value of the first injector under test (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210650293.2A CN114865008A (en) | 2022-06-09 | 2022-06-09 | Reliability testing device and method for fuel cell hydrogen injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210650293.2A CN114865008A (en) | 2022-06-09 | 2022-06-09 | Reliability testing device and method for fuel cell hydrogen injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114865008A true CN114865008A (en) | 2022-08-05 |
Family
ID=82623800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210650293.2A Pending CN114865008A (en) | 2022-06-09 | 2022-06-09 | Reliability testing device and method for fuel cell hydrogen injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114865008A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350219A (en) * | 2019-07-03 | 2019-10-18 | 华人运通(上海)新能源驱动技术有限公司 | Control method, control device and the storage medium of hydrogen injection device |
| CN111578980A (en) * | 2020-05-15 | 2020-08-25 | 一汽解放汽车有限公司 | Multifunctional test bench for fuel cell hydrogen system |
| CN212621513U (en) * | 2020-06-19 | 2021-02-26 | 深圳国氢新能源科技有限公司 | Test system of fuel cell hydrogen injector |
| CN112701326A (en) * | 2021-01-06 | 2021-04-23 | 武汉理工大学 | Fuel cell stack durability accelerated test method and durability accelerated test device |
| CN112881024A (en) * | 2021-01-15 | 2021-06-01 | 中汽研汽车检验中心（天津）有限公司 | Hydrogen injector testing device and testing method for hydrogen fuel cell engine |
| CN214843940U (en) * | 2021-04-26 | 2021-11-23 | 无锡威孚高科技集团股份有限公司 | Hydrogen ejector testing device for fuel cell |
| CN215731802U (en) * | 2021-08-17 | 2022-02-01 | 北京亿华通科技股份有限公司 | Fuel cell test system |
| CN215771229U (en) * | 2021-09-28 | 2022-02-08 | 北京亿华通科技股份有限公司 | Detection system of fuel cell hydrogen injector |
| CN215769474U (en) * | 2021-09-28 | 2022-02-08 | 北京亿华通科技股份有限公司 | Fuel cell electrical system test bench |
-
2022
- 2022-06-09 CN CN202210650293.2A patent/CN114865008A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350219A (en) * | 2019-07-03 | 2019-10-18 | 华人运通(上海)新能源驱动技术有限公司 | Control method, control device and the storage medium of hydrogen injection device |
| CN111578980A (en) * | 2020-05-15 | 2020-08-25 | 一汽解放汽车有限公司 | Multifunctional test bench for fuel cell hydrogen system |
| CN212621513U (en) * | 2020-06-19 | 2021-02-26 | 深圳国氢新能源科技有限公司 | Test system of fuel cell hydrogen injector |
| CN112701326A (en) * | 2021-01-06 | 2021-04-23 | 武汉理工大学 | Fuel cell stack durability accelerated test method and durability accelerated test device |
| CN112881024A (en) * | 2021-01-15 | 2021-06-01 | 中汽研汽车检验中心（天津）有限公司 | Hydrogen injector testing device and testing method for hydrogen fuel cell engine |
| CN214843940U (en) * | 2021-04-26 | 2021-11-23 | 无锡威孚高科技集团股份有限公司 | Hydrogen ejector testing device for fuel cell |
| CN215731802U (en) * | 2021-08-17 | 2022-02-01 | 北京亿华通科技股份有限公司 | Fuel cell test system |
| CN215771229U (en) * | 2021-09-28 | 2022-02-08 | 北京亿华通科技股份有限公司 | Detection system of fuel cell hydrogen injector |
| CN215769474U (en) * | 2021-09-28 | 2022-02-08 | 北京亿华通科技股份有限公司 | Fuel cell electrical system test bench |
Non-Patent Citations (1)
| Title |
|---|
| 谈文化等: "实用电气安全技术", 机械工业出版社, pages: 268 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102128651B (en) | Injector flow measurement for fuel cell applications | |
| CN111048804B (en) | Oxygen supply method, oxygen supply system and control system for hydrogen fuel cell | |
| CN109713334A (en) | Fuel cell pile testboard and its application method | |
| CN112928307B (en) | Air supply system of fuel cell engine and control method | |
| CN109244594A (en) | A kind of power battery thermal management system and power battery thermal management method | |
| CN209675411U (en) | Fuel cell pile testboard | |
| CN112701326A (en) | Fuel cell stack durability accelerated test method and durability accelerated test device | |
| KR102206923B1 (en) | Ending operation of dual fuel engine in gaseous fuel mode | |
| CN112729848B (en) | Liquid rocket engine comprehensive liquid flow test system | |
| CN102598382A (en) | Method for detecting the sealed state of a fuel cell | |
| CN208908248U (en) | A kind of thermal runaway processing system of power battery | |
| CN112242544A (en) | Simulation rack for fuel cell engine system component control joint debugging | |
| CN115863706A (en) | Leak detection diagnosis system for fuel cell stack and control method thereof | |
| CN114865008A (en) | Reliability testing device and method for fuel cell hydrogen injector | |
| CN214313266U (en) | Fuel cell stack durability acceleration testing device | |
| CN214471694U (en) | Ejector performance testing device | |
| CN108344575A (en) | A kind of test device for fuel battery engines | |
| CN205228827U (en) | A test bench for engine hot running -in | |
| CN114024004A (en) | Fuel cell cold start device, control method thereof and vehicle | |
| CN217111442U (en) | Gas heater test bench | |
| CN213520054U (en) | Off-line calibration rack for fuel cell hydrogen system | |
| CN115332582A (en) | Low-temperature starting control system for fuel cell | |
| CN115000459A (en) | Reliability testing device and testing method for fuel cell hydrogen injector | |
| CN107101831B (en) | Combustion test stand for gas turbine, combustion test control method and device | |
| CN220419215U (en) | Direct-heating test equipment for simulating new energy battery of vehicle-mounted liquid cooling system |
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 |