CN218331878U - Air simulation device and electric pile characteristic testing device - Google Patents
Air simulation device and electric pile characteristic testing device Download PDFInfo
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- CN218331878U CN218331878U CN202220752834.8U CN202220752834U CN218331878U CN 218331878 U CN218331878 U CN 218331878U CN 202220752834 U CN202220752834 U CN 202220752834U CN 218331878 U CN218331878 U CN 218331878U
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- 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
Abstract
The utility model relates to the technical field of galvanic pile testing, in particular to an air simulation device and a galvanic pile characteristic testing device, which comprises a first galvanic pile simulation component; the air subsystem rack comprises an air compressor and a humidifier, 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 galvanic pile simulation assembly, and an outlet of the first galvanic pile simulation assembly is communicated with a second circulation port of the humidifier. The utility model discloses can reduce the cost that fuel cell system tests the demarcation, change in operation and use.
Description
Technical Field
The utility model relates to a galvanic pile test technical field especially relates to an air analogue means and galvanic pile characteristic test device.
Background
In the initial design stage of the fuel cell system, a physical system needs to be built on a rack to test and calibrate the fuel cell system. It is often necessary to build an air circuit subsystem and a hydrogen circuit subsystem. Aiming at key components of each subsystem, preliminary calibration needs to be completed on a rack, if each subsystem adopts a galvanic pile, the cost is high, the pressure of the galvanic pile is possibly too high under the rotating speed of a high-altitude press, and meanwhile, the risk of damaging the galvanic pile due to improper control logic exists, so that the cost is high.
Therefore, an air simulation device and a stack characteristic testing device are needed to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air analogue means and pile characteristic test device can reduce the cost that fuel cell system tests the demarcation.
To achieve the purpose, the utility model adopts the following technical proposal:
an air simulator device comprising:
a first stack simulation assembly;
the air subsystem rack comprises an air compressor and a humidifier, 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 galvanic pile simulation assembly, and an outlet of the first galvanic pile simulation assembly is communicated with a second circulation port of the humidifier;
gas can enter the humidifier through the air compressor and circulate between the humidifier and the first galvanic pile simulation assembly, the first galvanic pile simulation assembly can be opened to enable part of the gas to escape, and the opening degree of the first galvanic pile simulation assembly is adjustable.
Further, the air subsystem rack further comprises a first discharge pipeline, the first discharge pipeline is communicated with the outlet of the humidifier, and a first switch valve is arranged on the first discharge pipeline.
Further, the first switch valve is a first back pressure stop valve.
Further, the first pile simulation assembly comprises a first three-way regulating valve and a first flow meter, a first port of the first three-way regulating valve is communicated with a first circulation port of the humidifier, a second port of the first three-way regulating valve is communicated with a second circulation port of the humidifier through the first flow meter, and a third port of the first three-way regulating valve is communicated with the atmosphere.
Furthermore, a first barometer is arranged at a first circulating port of the humidifier, and a second barometer is arranged at a second circulating port of the humidifier.
Further, an intercooler is arranged between the air compressor and the humidifier in series.
A hydrogen simulator device comprising:
a second stack simulation component;
the hydrogen subsystem rack 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 an inlet of the circulating pump;
gas can enter the second stack simulation assembly through the valve assembly and circulate between the second stack simulation assembly, the gas-liquid separator and the circulating pump, the second stack simulation assembly can be opened to allow part of the gas to escape, and the opening degree of the second stack simulation assembly is adjustable.
Further, the valve assembly comprises a switch valve, a proportional valve and a back pressure valve which are communicated in sequence, and the back pressure valve is communicated with an inlet of the second stack simulation assembly and an outlet of the circulating pump respectively.
Further, the second pile simulation assembly comprises a second three-way regulating valve and a second flow meter, 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 flow meter, and a third port of the second three-way regulating valve is communicated with the atmosphere.
Further, the hydrogen subsystem rack also comprises a second discharge pipeline which is communicated with the gas-liquid separator, and a second switch valve is arranged on the second discharge pipeline.
Furthermore, a third barometer is arranged at an inlet of the second stack simulation assembly, and a fourth barometer is arranged at an outlet of the second stack simulation assembly. A kind of galvanic pile characteristic test device, including the above-mentioned air simulator and the above-mentioned hydrogen simulator.
The utility model has the advantages that:
1. the utility model discloses can replace the pile when the test, avoid the harm that causes the pile because of design defect scheduling problem in the testing process, when accomplishing the test and demarcating, need not anxious damage to the pile, can reduce the cost that fuel cell system tests and demarcates, change in operation and use.
2. The utility model discloses can be applicable to the independent test of fuel cell hydrogen subsystem and air subsystem, the suitability is strong.
Drawings
FIG. 1 is a schematic diagram of an air subsystem gantry of an air simulation apparatus of the present invention;
fig. 2 is a schematic diagram of a hydrogen subsystem rack in a hydrogen simulator of the present invention.
In the figure:
1. an air subsystem gantry; 11. an air compressor; 12. a humidifier; 13. an intercooler; 14. a first discharge line; 141. a first back pressure stop valve; 15. a first barometer; 16. a second barometer; 2. a hydrogen subsystem rack; 21. an on-off valve; 22. a proportional valve; 23. a back pressure valve; 24. a circulation pump; 25. a second discharge line; 251. a second back pressure stop valve; 26. a gas-liquid separator; 27. a third barometer; 28. a fourth barometer; 3. a first stack simulation component; 31. a first three-way regulating valve; 32. a first flow meter; 4. a second stack simulation component; 41. a second three-way regulating valve; 42. a second flow meter.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some but not all of the elements relevant to the present invention are shown in the drawings.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely 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.
When testing the characteristic of galvanic pile, in order to avoid using real galvanic pile to lead to the accident, can reduce the cost that fuel cell system tested the demarcation simultaneously, as shown in fig. 1, the utility model provides an air simulation device. The air simulation device comprises a first pile simulation assembly 3 and an air subsystem rack 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 galvanic pile simulation component 3, and an outlet of the first galvanic pile simulation component 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 stack simulation module 3, the first stack simulation module 3 can be opened to allow part of the gas to escape, and the opening degree of the first stack simulation module 3 is adjustable.
The first electric pile simulation assembly 3 is adopted to equivalently replace an electric pile, and in the testing process, the opening degree of the first electric pile simulation assembly 3 is controlled by calculating the flow of gas consumed under different powers, so that part of gas escapes, and the gas consumed by the electric pile is simulated. And under different powers, the calibration of the rotating speed of the air compressor 11 is completed. When the test calibration is completed, the damage to the electric pile is not needed to be worried about, and the cost for testing and calibrating the fuel cell system can be reduced.
Further, the air subsystem table 1 further comprises a first discharge line 14, the first discharge line 14 is communicated with an outlet of the humidifier 12, and a first switch valve is disposed on the first discharge line 14. During the test, the on-off of the first exhaust pipeline 14 can be controlled according to actual requirements, and after the test is completed, the outlet of the humidifier 12 can exhaust the gas in the air subsystem rack 1.
Specifically, the first switching valve is a first back pressure cutoff valve 141. By controlling the opening and closing of the first back pressure stop valve 141, the pressure of the gas in the air subsystem rack 1 can be adjusted, thereby preventing the air pressure in the air subsystem rack 1 from being too high and causing accidents.
Further, the first stack simulation module 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 is communicated with a first circulation port of the humidifier 12, a second port of the first three-way regulating valve 31 is communicated 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 is communicated 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 under 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 accurate adjustment of the first three-way regulating valve 31, the first three-way regulating valve 31 is an electrically controlled three-way regulating valve.
Further, a first air pressure gauge 15 is disposed at the first circulation port of the humidifier 12, and a second air pressure gauge 16 is disposed at the second circulation port of the humidifier 12. By providing the first barometer 15 and the second barometer 16, the air pressure at the inlet and the outlet of the first stack simulation assembly 3 can be detected, thereby obtaining the air pressure difference between the inlet and the outlet of the first stack simulation assembly 3. Specifically, the voltage drop characteristics of the anode and cathode of the stack are equivalently replaced by the first three-way regulating valve 31 plus the first flow meter 32 and the piping therebetween. The first three-way regulating valve 31 is selected according to the flow of gas consumed by the cathode and the anode of the pile and the pressure drop characteristic of the cathode and the anode, and the first flow meter 32 preferably has low resistance. By the mode, the flow resistance characteristic of the simulated 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 gaseous temperature satisfy the requirement of test. But also can reduce the state of the gas consumed by the electric pile to the maximum extent.
As shown in fig. 2, the present embodiment further provides a hydrogen simulation apparatus, which includes a second stack simulation assembly 4 and a hydrogen subsystem gantry 2.
The hydrogen subsystem rack 2 comprises a valve assembly, a circulating pump 24 and a gas-liquid separator 26, 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 an inlet of the circulating pump 24; gas can enter the second stack simulation assembly 4 through the valve assembly and circulate between the second stack simulation assembly 4, the gas-liquid separator 26 and the circulation pump 24, the second stack simulation assembly 4 can be opened to allow part of the gas to escape, and the opening of the second stack simulation assembly 4 is adjustable.
The second electric pile simulation assembly 4 is adopted to equivalently replace an electric pile, and in the testing process, the opening degree of the second electric 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 electric pile is simulated. The calibration of the rotation speed of the circulating pump 24 and the calibration of the valve assembly opening under different powers are completed. When the test calibration is completed, the damage to the electric pile is not needed to be worried about, and the cost for testing and calibrating the fuel cell system can be reduced.
What consume at the in-process of galvanic pile work is oxygen and hydrogen, in this embodiment, adopt nitrogen gas to replace hydrogen to further reduce cost, in the in-process of testing moreover, can not have the incident that hydrogen discharge caused.
Further, the valve assembly comprises a switching valve 21, a proportional valve 22 and a back pressure valve 23 which are communicated in sequence, and the back pressure valve 23 is communicated with an inlet of the second stack simulation assembly 4 and an outlet of a circulating pump 24 respectively. The on-off valve 21 is arranged for controlling the on-off of the air path, and the proportional valve 22 and the backpressure valve 23 are arranged for adjusting the air pressure of the air entering the second electric pile simulation assembly 4. And the opening degrees of the proportional valve 22 and the back pressure valve 23 corresponding to the flow pressure of the cathode and the anode required by the galvanic pile under different powers can be preliminarily calibrated.
Further, the second cell stack simulation module 4 includes a second three-way regulating valve 41 and a second flow meter 42, a first port of the second three-way regulating valve 41 is communicated with the outlet of the circulation pump 24, a second port of the second three-way regulating valve 41 is communicated with the gas-liquid separator 26 through the second flow meter 42, and a third port of the second three-way regulating valve 41 is communicated 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 rates of the gas consumed under different powers, so that part of the gas is discharged through the third port of the second three-way regulating valve 41, and the consumed gas is simulated. In this embodiment, for convenience and precision of adjusting the second three-way adjusting valve 41, the second three-way adjusting valve 41 is an electrically controlled three-way adjusting valve.
Further, the hydrogen subsystem platform 2 further comprises a second discharge pipeline 25, the second discharge pipeline 25 is communicated with the gas-liquid separator 26, and a second switch valve is arranged on the second discharge pipeline 25. Specifically, the second switching valve is a second back pressure cutoff 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 backpressure stop valve 251, so that accidents caused by overhigh gas pressure in the hydrogen subsystem rack 2 are prevented.
Further, a third air pressure gauge 27 is provided at the inlet of the second stack simulation module 4, and a fourth air pressure gauge 28 is provided at the outlet of the second stack simulation module 4. Specifically, the voltage drop characteristics of the anode and cathode of the stack are equivalently replaced by the second three-way regulating valve 41 plus the second flow meter 42 and the piping therebetween. The type of the second three-way regulating valve 41 is selected according to the flow of gas consumed by the cathode and the anode of the pile and the pressure drop characteristic of the cathode and the anode, and the second flow meter 42 preferably has low resistance. By the method, the flow resistance characteristic of the galvanic pile can be simulated. The embodiment also provides a device for testing the characteristics of the stack, which comprises the air simulation device and the hydrogen simulation device, and can effectively test the stack and reduce the cost of testing and calibrating a fuel cell system.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. An air simulator, comprising:
a first stack simulation module (3);
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 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 stack simulation module (3), the first stack simulation module (3) can be opened to enable part of the gas to escape, and the opening degree of the first stack simulation module (3) is adjustable.
2. An air simulation arrangement according to claim 1, characterized in that the air subsystem skid (1) further comprises a first discharge line (14), the first discharge line (14) being in communication with an outlet of the humidifier (12), the first discharge line (14) being provided with a first on-off valve.
3. An air simulator according to claim 2, in which the first switch valve is a first back pressure stop valve (141).
4. An air simulation device according to claim 1, wherein the first cell stack simulation module (3) comprises a first three-way regulating valve (31) and a first flow meter (32), a first port of the first three-way regulating valve (31) is communicated with a first circulation port of the humidifier (12), a second port of the first three-way regulating valve (31) is communicated 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) is communicated with the atmosphere.
5. An air simulating assembly according to claim 1 characterised in that a first air pressure gauge (15) is provided at the first port of the humidifier (12) and a second air pressure gauge (16) is provided at the second port of the humidifier (12).
6. An air simulator according to claim 1, wherein an intercooler (13) is arranged in series between the air compressor (11) and the humidifier (12).
7. A stack characteristic testing apparatus comprising the air simulator according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220752834.8U CN218331878U (en) | 2022-03-31 | 2022-03-31 | Air simulation device and electric pile characteristic testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220752834.8U CN218331878U (en) | 2022-03-31 | 2022-03-31 | Air simulation device and electric pile characteristic testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218331878U true CN218331878U (en) | 2023-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220752834.8U Active CN218331878U (en) | 2022-03-31 | 2022-03-31 | Air simulation device and electric pile characteristic testing device |
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| Country | Link |
|---|---|
| CN (1) | CN218331878U (en) |
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- 2022-03-31 CN CN202220752834.8U patent/CN218331878U/en active Active
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