CN116930775A - Air simulator, hydrogen simulator and pile characteristic testing device - Google Patents
Air simulator, hydrogen simulator and pile characteristic testing device Download PDFInfo
- Publication number
- CN116930775A CN116930775A CN202210345840.6A CN202210345840A CN116930775A CN 116930775 A CN116930775 A CN 116930775A CN 202210345840 A CN202210345840 A CN 202210345840A CN 116930775 A CN116930775 A CN 116930775A
- Authority
- CN
- China
- Prior art keywords
- assembly
- valve
- simulation
- humidifier
- gas
- 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
- 239000001257 hydrogen Substances 0.000 title claims abstract description 34
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 34
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 238000004088 simulation Methods 0.000 claims abstract description 99
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 230000001105 regulatory effect Effects 0.000 claims description 38
- 239000007789 gas Substances 0.000 claims description 34
- 238000004891 communication Methods 0.000 claims description 13
- 239000000446 fuel Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
-
- 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
- H01M8/04432—Pressure differences, e.g. between anode and cathode
-
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fuel Cell (AREA)
Abstract
The invention relates to the technical field of pile testing, in particular to an air simulation device, a hydrogen simulation device and a pile characteristic testing device, which comprise a first pile simulation component; the air subsystem rack comprises an air compressor and a humidifier, wherein the air compressor is communicated with an inlet of the humidifier, a first circulation port of the humidifier is communicated with an inlet of the first electric pile simulation assembly, and an outlet of the first electric pile simulation assembly is communicated with a second circulation port of the humidifier; a second galvanic pile simulation assembly; the hydrogen subsystem bench comprises a valve assembly, a circulating pump and a gas-liquid separator, wherein the valve assembly is respectively communicated with an inlet of the second electric pile simulation assembly and an outlet of the circulating pump, the second electric pile simulation assembly is communicated with the gas-liquid separator, and the gas-liquid separator is communicated with an inlet of the circulating pump. The invention can reduce the cost of the fuel cell system for test calibration, and is easier to operate and use.
Description
Technical Field
The invention relates to the technical field of pile testing, in particular to an air simulation device, a hydrogen simulation device and a pile characteristic testing device.
Background
In the early stage of fuel cell system design, a physical system is required to be built on a bench to test and calibrate the fuel cell system. It is often necessary to build an air subsystem and a hydrogen subsystem. For key components of each subsystem, preliminary calibration needs to be completed on a rack, if each subsystem adopts a pile, the cost is high, the pile pressure is possibly too high under the condition of high air compressor rotating speed, and meanwhile, the risk of improper control logic damage to the pile exists, so that the cost is high.
Therefore, an air simulator, a hydrogen simulator, and a pile characteristic test device are needed to solve the above-mentioned technical problems.
Disclosure of Invention
The invention aims to provide an air simulation device, a hydrogen simulation device and a pile characteristic test device, which can reduce the cost of test calibration of a fuel cell system.
To achieve the purpose, the invention adopts the following technical scheme:
an air simulation device, comprising:
a first galvanic pile simulation assembly;
the air subsystem rack comprises an air compressor and a humidifier, wherein the air compressor is communicated with an inlet of the humidifier, a first circulation port of the humidifier is communicated with an inlet of the first electric pile simulation assembly, and an outlet of the first electric pile simulation assembly is communicated with a second circulation port of the humidifier;
the air can enter the humidifier through the air compressor and circulate between the humidifier and the first electric pile simulation assembly, the first electric pile simulation assembly can be opened to enable part of the air to escape, and the opening degree of the first electric pile simulation assembly is adjustable.
Further, the air subsystem stand further includes a first discharge line in communication with the outlet of the humidifier, the first discharge line being provided with a first switch valve.
Further, the first switching valve is a first back pressure stop valve.
Further, the first galvanic pile simulation assembly comprises a first three-way regulating valve and a first flowmeter, a first port of the first three-way regulating valve is communicated with a first circulating port of the humidifier, a second port of the first three-way regulating valve is communicated with a second circulating port of the humidifier through the first flowmeter, and a third port of the first three-way regulating valve is communicated with the atmosphere.
Further, a first barometer is arranged at a first circulation port of the humidifier, and a second barometer is arranged at a second circulation port of the humidifier.
Further, an intercooler is arranged in series between the air compressor and the humidifier.
A hydrogen simulation apparatus comprising:
a second galvanic pile simulation assembly;
the hydrogen subsystem bench comprises a valve assembly, a circulating pump and a gas-liquid separator, wherein the valve assembly is respectively communicated with an inlet of the second galvanic pile simulation assembly and an outlet of the circulating pump, the opening degree of the valve assembly can be adjusted, the second galvanic pile simulation assembly is communicated with the gas-liquid separator, and the gas-liquid separator is communicated with the inlet of the circulating pump;
gas can enter the second galvanic pile simulation assembly through the valve assembly and circulate among the second galvanic pile simulation assembly, the gas-liquid separator and the circulating pump, the second galvanic pile simulation assembly can be opened to enable part of gas to escape, and the opening degree of the second galvanic pile simulation assembly is adjustable.
Further, the valve assembly comprises a switching valve, a proportional valve and a back pressure valve which are communicated in sequence, and the back pressure valve is respectively communicated with an inlet of the second galvanic pile simulation assembly and an outlet of the circulating pump.
Further, the second galvanic pile simulation assembly comprises a second three-way regulating valve and a second flowmeter, a first port of the second three-way regulating valve is communicated with an outlet of the circulating pump, a second port of the second three-way regulating valve is communicated with the gas-liquid separator through the second flowmeter, and a third port of the second three-way regulating valve is communicated with the atmosphere.
Further, the hydrogen subsystem rack further comprises a second discharge pipeline, the second discharge pipeline is communicated with the gas-liquid separator, and a second switch valve is arranged on the second discharge pipeline.
Further, a third barometer is arranged at the inlet of the second pile simulation assembly, and a fourth barometer is arranged at the outlet of the second pile simulation assembly.
An electric pile characteristic testing device comprises the air simulation device and the hydrogen simulation device.
The invention has the beneficial effects that:
1. the invention can replace the electric pile during testing, avoid damage to the electric pile caused by design defects and other problems in the testing process, and can reduce the cost of testing and calibrating the fuel cell system without worrying about damage to the electric pile when the testing and calibration are completed, thereby being easier to operate and use.
2. The invention can be suitable for the independent test of the hydrogen subsystem and the air subsystem of the fuel cell, and has strong applicability.
Drawings
FIG. 1 is a schematic illustration of an air subsystem rack in an air simulation device in accordance with the present invention;
FIG. 2 is a schematic diagram of a hydrogen subsystem rack in a hydrogen simulation apparatus according to the present invention.
In the figure:
1. an air subsystem rack; 11. an air compressor; 12. a humidifier; 13. an intercooler; 14. a first discharge line; 141. a first back pressure shut-off valve; 15. a first barometer; 16. a second barometer; 2. a hydrogen subsystem rack; 21. a switch valve; 22. a proportional valve; 23. a back pressure valve; 24. a circulation pump; 25. a second discharge line; 251. a second back pressure shut-off valve; 26. a gas-liquid separator; 27. a third barometer; 28. a fourth barometer; 3. a first galvanic pile simulation assembly; 31. a first three-way regulating valve; 32. a first flowmeter; 4. a second galvanic pile simulation assembly; 41. a second three-way regulating valve; 42. a second flowmeter.
Detailed Description
The technical scheme of the invention is further described below with reference to the attached drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present invention are shown.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In order to avoid accidents caused by using a real electric pile when testing the characteristics of the electric pile, and simultaneously reduce the cost of testing and calibrating a fuel cell system, as shown in fig. 1, the invention provides an air simulation device. The air simulation device comprises a first galvanic pile simulation assembly 3 and an air subsystem stage 1.
The air subsystem rack 1 comprises an air compressor 11 and a humidifier 12, wherein the air compressor 11 is communicated with an inlet of the humidifier 12, a first circulation port of the humidifier 12 is communicated with an inlet of the first electric pile simulation assembly 3, and an outlet of the first electric pile simulation assembly 3 is communicated with a second circulation port of the humidifier 12; the gas can enter the humidifier 12 through the air compressor 11 and circulate between the humidifier 12 and the first cell stack simulation assembly 3, the first cell stack simulation assembly 3 can be opened so that part of the gas escapes, and the opening degree of the first cell stack simulation assembly 3 is adjustable.
The first pile simulation assembly 3 is adopted to equivalently replace a pile, and in the testing process, the opening degree of the first pile simulation assembly 3 is controlled by calculating the flow of the gas consumed under different powers, so that part of the gas escapes, and the gas consumed by the pile is simulated. And under different powers, the calibration of the rotating speed of the air compressor 11 is completed. And when the test calibration is finished, the damage to the electric pile is not required, and the cost of the fuel cell system for test calibration can be reduced.
Further, the air subsystem rack 1 further comprises a first discharge pipeline 14, the first discharge pipeline 14 is communicated with the outlet of the humidifier 12, and a first switch valve is arranged on the first discharge pipeline 14. During the test, the on-off of the first discharge pipeline 14 can be controlled according to actual needs, and after the test is completed, the outlet of the humidifier 12 can discharge the gas in the air subsystem rack 1.
Specifically, the first on-off valve is a first back pressure shut-off valve 141. By controlling the opening and closing of the first back pressure cut-off valve 141, the pressure of the gas in the air subsystem stage 1 can be adjusted, thereby preventing the air pressure in the air subsystem stage 1 from being too high to cause accidents.
Further, the first galvanic pile simulation assembly 3 includes a first three-way regulating valve 31 and a first flow meter 32, a first port of the first three-way regulating valve 31 communicates with a first circulation port of the humidifier 12, a second port of the first three-way regulating valve 31 communicates with a second circulation port of the humidifier 12 through the first flow meter 32, and a third port of the first three-way regulating valve 31 communicates with the atmosphere. When the air compressor 11 is calibrated according to different powers, the opening degree of the first three-way regulating valve 31 is controlled by calculating the flow rate of the gas consumed at the different powers, so that part of the gas is discharged through the third port of the first three-way regulating valve 31, and the consumed gas is simulated. In the present embodiment, for convenience and precision in adjusting the first three-way regulating valve 31, the first three-way regulating valve 31 is an electronically controlled three-way regulating valve.
Further, a first barometer 15 is provided at a first circulation port of the humidifier 12, and a second barometer 16 is provided at a second circulation port of the humidifier 12. By providing the first barometer 15 and the second barometer 16, the air pressure of the inlet and the outlet of the first pile simulation assembly 3 can be detected, thereby obtaining the air pressure difference between the inlet and the outlet of the first pile simulation assembly 3. Specifically, the voltage drop characteristics of the anode and cathode of the stack are equivalently replaced by the first three-way regulator valve 31 plus the first flow meter 32 and the piping therebetween. The first three-way regulating valve 31 is selected according to the size of the consumption gas flow of the anode and the cathode of the electric pile and the cathode pressure drop characteristic, and the first flow meter 32 is preferably low in resistance. By the mode, the flow resistance characteristic of the analog galvanic pile can be observed.
Further, an intercooler 13 is provided in series between the air compressor 11 and the humidifier 12. Through setting up intercooler 13, can cool off gas to make the temperature of gas satisfy the requirement of test experiment. And the state of the consumed gas of the electric pile can be reduced to the maximum extent.
As shown in fig. 2, the present embodiment further provides a hydrogen simulation apparatus, which includes the second stack simulation assembly 4 and the hydrogen subsystem rack 2.
The hydrogen subsystem bench 2 comprises a valve assembly, a circulating pump 24 and a gas-liquid separator 26, wherein the valve assembly is respectively communicated with an inlet of the second galvanic pile simulation assembly 4 and an outlet of the circulating pump 24, the opening degree of the valve assembly can be adjusted, the second galvanic pile simulation assembly 4 is communicated with the gas-liquid separator 26, and the gas-liquid separator 26 is communicated with the inlet of the circulating pump 24; the gas can enter the second galvanic pile simulation assembly 4 through the valve assembly and circulate between the second galvanic pile simulation assembly 4, the gas-liquid separator 26 and the circulation pump 24, the second galvanic pile simulation assembly 4 can be opened so that part of the gas escapes, and the opening degree of the second galvanic pile simulation assembly 4 is adjustable.
The second pile simulation assembly 4 is adopted to equivalently replace a pile, and in the testing process, the opening degree of the second pile simulation assembly 4 is controlled by calculating the flow of the gas consumed under different powers, so that part of the gas escapes, and the gas consumed by the pile is simulated. The calibration of the rotational speed of the circulation pump 24 and the calibration of the valve assembly opening at different powers are completed. And when the test calibration is finished, the damage to the electric pile is not required, and the cost of the fuel cell system for test calibration can be reduced.
In the process of operating the galvanic pile, oxygen and hydrogen are consumed, and in the embodiment, nitrogen is adopted to replace hydrogen, so that the cost is further reduced, and in the process of testing, safety accidents caused by hydrogen emission can not exist.
Further, the valve assembly includes an on-off valve 21, a proportional valve 22 and a back pressure valve 23 which are sequentially communicated, and the back pressure valve 23 is respectively communicated with an inlet of the second galvanic pile simulation assembly 4 and an outlet of the circulation pump 24. The on-off valve 21 is used for controlling the on-off of the gas path, and the proportional valve 22 and the back pressure valve 23 are used for adjusting the gas pressure of the gas entering the second galvanic pile simulation assembly 4. And the opening degrees of the proportional valve 22 and the back pressure valve 23 corresponding to the cathode and anode flow pressure required by the galvanic pile can be calibrated preliminarily under different powers.
Further, the second electric pile simulation assembly 4 includes a second three-way regulating valve 41 and a second flowmeter 42, a first port of the second three-way regulating valve 41 communicates with an outlet of the circulation pump 24, a second port of the second three-way regulating valve 41 communicates with the gas-liquid separator 26 through the second flowmeter 42, and a third port of the second three-way regulating valve 41 communicates with the atmosphere. When the circulation pump 24 is calibrated according to different powers, the opening degree of the second three-way regulating valve 41 is controlled by calculating the flow rate of the gas consumed at the different powers, so that part of the gas is discharged through the third port of the second three-way regulating valve 41, simulating the consumed gas. In the present embodiment, for convenience and precision in adjusting the second three-way regulating valve 41, the second three-way regulating valve 41 is an electronically controlled three-way regulating valve.
Further, the hydrogen subsystem rack 2 further includes a second discharge line 25, the second discharge line 25 is in communication with the gas-liquid separator 26, and a second switch valve is provided on the second discharge line 25. Specifically, the second on-off valve is a second back pressure shut-off valve 251. The pressure of the gas in the hydrogen subsystem rack 2 can be adjusted by controlling the opening and closing of the second back pressure stop valve 251, thereby preventing the gas pressure in the hydrogen subsystem rack 2 from being too high to cause accidents.
Further, a third barometer 27 is provided at the inlet of the second galvanic pile simulation assembly 4, and a fourth barometer 28 is provided at the outlet of the second galvanic pile simulation assembly 4. Specifically, the voltage drop characteristics of the anode and cathode of the stack are equivalently replaced by a second three-way regulator valve 41 plus a second flowmeter 42 and piping therebetween. The second three-way regulating valve 41 is selected according to the size of the consumption gas flow of the anode and the cathode of the electric pile and the cathode pressure drop characteristic, and the second flowmeter 42 is preferably low in resistance. By the mode, the flow resistance characteristic of the electric pile can be simulated.
The embodiment also provides a pile characteristic testing device, which comprises the air simulation device and the hydrogen simulation device, and can effectively test piles and reduce the cost of testing and calibrating a fuel cell system.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (12)
1. An air simulation device, comprising:
a first galvanic pile simulation assembly (3);
an air subsystem rack (1) comprises an air compressor (11) and a humidifier (12), wherein the air compressor (11) is communicated with an inlet of the humidifier (12), a first circulation port of the humidifier (12) is communicated with an inlet of the first galvanic pile simulation assembly (3), and an outlet of the first galvanic pile simulation assembly (3) is communicated with a second circulation port of the humidifier (12);
gas can enter the humidifier (12) through the air compressor (11) and circulate between the humidifier (12) and the first galvanic pile simulation assembly (3), the first galvanic pile simulation assembly (3) can be opened so that part of the gas escapes, and the opening degree of the first galvanic pile simulation assembly (3) is adjustable.
2. An air simulation device according to claim 1, wherein the air subsystem stage (1) further comprises a first discharge line (14), the first discharge line (14) being in communication with the outlet of the humidifier (12), the first discharge line (14) being provided with a first on-off valve.
3. An air simulation device according to claim 2, characterized in that the first on-off valve is a first back pressure shut-off valve (141).
4. An air simulation device according to claim 1, wherein the first galvanic pile simulation assembly (3) comprises a first three-way regulating valve (31) and a first flowmeter (32), a first port of the first three-way regulating valve (31) is in communication with a first circulation port of the humidifier (12), a second port of the first three-way regulating valve (31) is in communication with a second circulation port of the humidifier (12) via the first flowmeter (32), and a third port of the first three-way regulating valve (31) is in communication with the atmosphere.
5. An air simulation device according to claim 1, characterized in that a first barometer (15) is arranged at a first circulation port of the humidifier (12), and a second barometer (16) is arranged at a second circulation port of the humidifier (12).
6. An air simulation device according to claim 1, characterized in that an intercooler (13) is arranged in series between the air compressor (11) and the humidifier (12).
7. A hydrogen simulation apparatus, comprising:
a second galvanic pile simulation assembly (4);
a hydrogen subsystem bench (2) comprising a valve assembly, a circulating pump (24) and a gas-liquid separator (26), wherein the valve assembly is respectively communicated with an inlet of the second galvanic pile simulation assembly (4) and an outlet of the circulating pump (24), the opening degree of the valve assembly can be adjusted, the second galvanic pile simulation assembly (4) is communicated with the gas-liquid separator (26), and the gas-liquid separator (26) is communicated with the inlet of the circulating pump (24);
gas can enter the second galvanic pile simulation assembly (4) through the valve assembly and circulate among the second galvanic pile simulation assembly (4), the gas-liquid separator (26) and the circulating pump (24), the second galvanic pile simulation assembly (4) can be opened so that part of gas escapes, and the opening degree of the second galvanic pile simulation assembly (4) is adjustable.
8. A hydrogen simulation device according to claim 7, characterized in that the valve assembly comprises a switching valve (21), a proportional valve (22) and a back pressure valve (23) in communication in sequence, the back pressure valve (23) being in communication with the inlet of the second galvanic pile simulation assembly (4) and the outlet of the circulation pump (24), respectively.
9. A hydrogen simulation device according to claim 7, characterized in that the second galvanic pile simulation assembly (4) comprises a second three-way regulating valve (41) and a second flowmeter (42), a first port of the second three-way regulating valve (41) being in communication with an outlet of the circulation pump (24), a second port of the second three-way regulating valve (41) being in communication with the gas-liquid separator (26) via the second flowmeter (42), a third port of the second three-way regulating valve (41) being in communication with the atmosphere.
10. A hydrogen simulation device according to claim 7, wherein the hydrogen subsystem stage (2) further comprises a second discharge line (25), the second discharge line (25) being in communication with the gas-liquid separator (26), the second discharge line (25) being provided with a second on-off valve.
11. A hydrogen simulation device according to claim 7, characterized in that the inlet of the second galvanic pile simulation assembly (4) is provided with a third barometer (27) and the outlet of the second galvanic pile simulation assembly (4) is provided with a fourth barometer (28).
12. A stack characteristic testing apparatus comprising an air simulation apparatus according to any one of claims 1 to 6 and a hydrogen simulation apparatus according to any one of claims 7 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210345840.6A CN116930775A (en) | 2022-03-31 | 2022-03-31 | Air simulator, hydrogen simulator and pile characteristic testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210345840.6A CN116930775A (en) | 2022-03-31 | 2022-03-31 | Air simulator, hydrogen simulator and pile characteristic testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116930775A true CN116930775A (en) | 2023-10-24 |
Family
ID=88376102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210345840.6A Pending CN116930775A (en) | 2022-03-31 | 2022-03-31 | Air simulator, hydrogen simulator and pile characteristic testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116930775A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117723873A (en) * | 2024-02-07 | 2024-03-19 | 广东卡沃罗氢科技有限公司 | Electrolytic cell testing system and electrolytic cell testing method |
-
2022
- 2022-03-31 CN CN202210345840.6A patent/CN116930775A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117723873A (en) * | 2024-02-07 | 2024-03-19 | 广东卡沃罗氢科技有限公司 | Electrolytic cell testing system and electrolytic cell testing method |
| CN117723873B (en) * | 2024-02-07 | 2024-06-04 | 广东卡沃罗氢科技有限公司 | Electrolytic cell testing system and electrolytic cell testing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5711752B2 (en) | Method for detecting the permeability state of a polymer ion exchange membrane in a fuel cell | |
| JP5746198B2 (en) | Method for detecting the sealing state of a fuel cell | |
| CN112928307A (en) | Air supply system of fuel cell engine and control method | |
| CN110082086A (en) | The test platform and test method of hydrogen fuel cell air feed equipment | |
| CN116930775A (en) | Air simulator, hydrogen simulator and pile characteristic testing device | |
| KR100940233B1 (en) | Apparatus for detecting leak in fuel cells | |
| CN111693229A (en) | Electric pile testing device and system with air tightness online detection function | |
| CN112242544A (en) | Simulation rack for fuel cell engine system component control joint debugging | |
| CN112556945B (en) | Hydrogen fuel cell gas tightness low-pressure efficient leak detection system and method | |
| CN110336059A (en) | A kind of the pressure oscillation test device and method of fuel cell hydrogen circulating pump | |
| CN112761937A (en) | Hydrogen pump matching test device and test method for hydrogen fuel cell engine | |
| CN110838591A (en) | Test system and test method for fuel cell ejector | |
| CN113972383A (en) | System simulation device, control parameter verification method and proportional valve control method | |
| CN113776953A (en) | Device and method for detecting compressive strength of fuel cell stack | |
| CN218331878U (en) | Air simulation device and electric pile characteristic testing device | |
| CN210664949U (en) | Air tightness and back pressure tester | |
| CN218444350U (en) | Fuel cell stack gas tightness detecting system | |
| CN214149718U (en) | Hydrogen fuel cell gas tightness low pressure high efficiency leak hunting device | |
| CN207703414U (en) | A kind of air-tightness detection device for fuel cell pile | |
| CN113589857A (en) | Gas negative pressure power regulating system with fault diagnosis function and diagnosis method | |
| CN114520352B (en) | Gas pressure control device and electric pile test platform | |
| CN216925978U (en) | Device for testing air tightness of iron-chromium flow battery stack | |
| CN116558999A (en) | Method and system for testing cross pressure cycle life of fuel cell stack | |
| CN216348765U (en) | Multi-functional humidifier capability test device | |
| KR20190042311A (en) | System of fuel cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication |