CN116335931A - Fuel cell circulating pump endurance test device and test method thereof - Google Patents
Fuel cell circulating pump endurance test device and test method thereof Download PDFInfo
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- CN116335931A CN116335931A CN202310478823.4A CN202310478823A CN116335931A CN 116335931 A CN116335931 A CN 116335931A CN 202310478823 A CN202310478823 A CN 202310478823A CN 116335931 A CN116335931 A CN 116335931A
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- 238000012360 testing method Methods 0.000 title claims abstract description 73
- 239000000446 fuel Substances 0.000 title claims abstract description 32
- 238000010998 test method Methods 0.000 title claims abstract description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000001257 hydrogen Substances 0.000 claims abstract description 39
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 238000001816 cooling Methods 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 description 10
- 239000012530 fluid Substances 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Fuel Cell (AREA)
Abstract
The invention belongs to a fuel cell circulating pump endurance test device in the technical field of fuel cell circulating pumps, and further relates to a fuel cell circulating pump endurance test method. The second pipeline (21) is communicated with the humidifier (2), the humidifier (2) is communicated with the air inlet pipeline (6) through a third pipeline (22), the air inlet pipeline (6) is communicated with the hydrogen circulating pump (3), the pipeline heater (14) is sleeved on the third pipeline (22), the hydrogen circulating pump (3) is communicated with the exhaust pipeline (7), the exhaust pipeline (7) is communicated with the fourth pipeline (23), the fourth pipeline (23) is communicated with the air inlet of the heat exchanger (4), the second pipeline (21) is communicated with the air outlet of the heat exchanger (4), and the heat exchanger (4) is communicated with the cooler (5). The endurance test device for the fuel cell circulating pump can effectively meet the regulation and control of temperature, humidity and pressure, reflect the practical environment of product application to the greatest extent and effectively improve the accuracy of the endurance test result.
Description
Technical Field
The invention belongs to the technical field of fuel cell circulating pumps, and particularly relates to a durability test device of a fuel cell circulating pump, and a durability test method of the fuel cell circulating pump.
Background
The hydrogen circulating pump is an important part of the fuel cell, the service life of the hydrogen circulating pump is generally verified through a endurance test, and whether the test method is close to the actual application working condition or not is directly related to the evaluation of the actual service life of the product. In practical application, the gas entering the hydrogen circulating pump is a water-gas mixed medium with higher humidity, the temperature and the pressure are higher, and the durability test equipment in the prior art is difficult to simultaneously realize the requirements of high temperature, high pressure and high humidity of air inlet due to the limitation of test conditions, so that the durability life and the practical life of the product are more different. Thus, the results obtained by the durability test cannot accurately reflect the actual application of the product.
In the prior art, the control method and the device for the low-voltage pulse endurance test of the automobile part are named as 105716822B, the technology comprises a medium box body 1 and a gas-liquid circulating pump 7, the medium box body 1 and the gas-liquid circulating pump 7 are connected into a closed circulating pipeline through hydraulic pipelines, a first hydraulic pipeline is arranged between the input end of a test sample 11 and the output end of the medium box body 1, a second hydraulic pipeline is arranged between the output end of the test sample 11 and the input end of the medium box body 1, a fluid supplementing motor 2, a fluid inlet valve 3, a first emptying switching valve 4 and the gas-liquid circulating pump 7 are arranged on the first hydraulic pipeline, a fluid supplementing motor 2, a fluid inlet valve 3, a second emptying switching valve 5 and a third emptying switching valve 10 are arranged on the second hydraulic pipeline, the first hydraulic pipeline is communicated to a hydraulic cylinder 9, and the hydraulic cylinder 9 is driven through an electric cylinder 8.
However, this technology does not relate to the technical field, technical problem and technical solution of the present application.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: aiming at the defects of the prior art, the fuel cell circulating pump endurance test device has a simple structure, and can effectively meet the regulation and control of temperature, humidity and pressure in the endurance test of the hydrogen circulating pump, thereby reflecting the practical environment of product application to the greatest extent and effectively improving the accuracy of the endurance test result.
The technical scheme adopted by the invention is as follows:
the invention relates to a durability test device for a fuel cell circulating pump, wherein an air source is communicated with a second pipeline through a first pipeline, the second pipeline is communicated with a humidifier, the humidifier is communicated with an air inlet pipeline through a third pipeline, the air inlet pipeline is communicated with an inlet of a hydrogen circulating pump, a pipeline heater is sleeved on the third pipeline, the hydrogen circulating pump is communicated with an exhaust pipeline, the exhaust pipeline is communicated with a fourth pipeline, the fourth pipeline is communicated with an air channel inlet of a heat exchanger, the second pipeline is communicated with an air channel outlet of the heat exchanger, the heat exchanger is communicated with a cooler, and a pressure reducing valve is arranged on the first pipeline.
The cooler is communicated with the waterway inlet of the heat exchanger through a water inlet pipeline, and is communicated with the waterway outlet of the heat exchanger through a water return pipeline.
The water inlet pipeline is provided with a proportional valve and a flowmeter.
And a back pressure valve is arranged between the exhaust pipeline and the fourth pipeline.
And a first temperature sensor, a first pressure sensor and a first humidity sensor are arranged on the third pipeline.
And a second temperature sensor and a second pressure sensor are arranged on the exhaust pipeline.
The back pressure valve, the second temperature sensor, the second pressure sensor and the exhaust pipeline jointly form an exhaust system of the hydrogen circulating pump.
The air source, the pressure reducing valve, the humidifier, the first temperature sensor, the first pressure sensor, the first humidity sensor, the pipeline heater and the air inlet pipeline jointly form an air inlet system of the hydrogen circulating pump.
The cooler, the proportional valve, the flowmeter, the water inlet pipeline and the water return pipeline jointly form a cooling system of the heat exchanger, and the heat exchanger is communicated with the air inlet system and the exhaust system.
The invention also relates to a test method of the fuel cell circulating pump endurance test device, which has simple steps, can effectively meet the regulation and control of temperature, humidity and pressure in the process of carrying out the hydrogen circulating pump endurance test, thereby reflecting the practical environment of product application to the greatest extent and effectively improving the accuracy of the endurance test result.
The test method of the endurance test device of the fuel cell circulating pump comprises the following steps:
s1, when a hydrogen circulating pump is started to perform a durability test, high-temperature and high-pressure gas of an exhaust system enters an air inlet system through a heat exchanger; when the actual air inlet temperature is higher than the set temperature value, closing the pipeline heater, opening the cooler, and reducing the air inlet temperature; when the actual air inlet temperature is lower than the set temperature value, the cooler is closed, the pipeline heater is opened, the air inlet temperature is increased, and the air inlet temperature is regulated and controlled;
s2, when the hydrogen circulating pump is started to perform a durability test, high-temperature and high-pressure gas of the exhaust system enters the air inlet system through the heat exchanger; when the actual air inlet pressure is higher than a set pressure value, a pressure reducing valve is opened, high-pressure air enters an air source, and the air inlet pressure is reduced; when the actual air inlet pressure is lower than the set pressure value, the pressure reducing valve is closed, the air inlet pressure is improved, and the air inlet pressure is regulated and controlled;
s3, when the hydrogen circulating pump is started to perform a durability test, the humidifier is turned on, and when the actual humidity is higher than a set humidity value, the water adding amount of the humidifier is reduced; when the actual humidity is higher than the set humidity value, the water adding amount of the humidifier is increased, and the regulation and control of the air inlet humidity are realized.
By adopting the technical scheme of the invention, the working principle and the beneficial effects are as follows:
the endurance test device for the fuel cell circulating pump is used for adjusting and controlling the pressure, the temperature and the humidity in the test process in order to ensure the reliable performance of the endurance test of the hydrogen circulating pump. In the specific control process, when the hydrogen circulating pump runs under the working condition of endurance test, the required intake pressure and exhaust pressure are set by continuously adjusting the pressure reducing valve of the air inlet system and the back pressure valve of the exhaust system, and the pressure value is monitored by the pressure sensor. When the actual air inlet pressure is higher than a set pressure value, a pressure reducing valve is opened, high-pressure air enters an air source, and the air inlet pressure is reduced; when the actual air inlet pressure is lower than the set pressure value, the pressure reducing valve is closed, the air inlet pressure is improved, and finally, the adjustment control of the air inlet pressure and the air outlet pressure required by the test is realized. The water supply quantity of the cooler is adjusted through a flowmeter and a proportional valve of the cooling system, the heat radiation capacity of the heat exchanger is adjusted, and the air inlet temperature is monitored through a temperature sensor of the air inlet system. When the actual air inlet temperature is higher than the set temperature value, the cooling system is opened, the water supply amount is increased, and the air inlet temperature is reduced; when the actual air inlet temperature is lower than the set temperature value, the water supply amount is reduced or the cooling system is closed, the air inlet temperature is improved, and when the actual temperature is still lower than the set temperature value, the pipeline heater is opened, the air inlet temperature is improved, and finally the air inlet temperature required by the test is realized. Monitoring air inlet humidity through a humidity sensor of an air inlet system, and reducing the water adding amount of the humidifier when the actual humidity is higher than a set humidity value; when the actual humidity is higher than the set humidity value, the water adding amount of the humidifier is increased, and finally the air inlet humidity required by the test is realized.
Drawings
The following is a brief description of what is expressed in the drawings of this specification and the references in the drawings:
FIG. 1 is a schematic diagram of a fuel cell circulation pump endurance test apparatus according to the present invention;
the reference numerals in the figures are respectively: 1. a gas source; 2. a humidifier; 3. a hydrogen circulation pump; 4. a heat exchanger; 5. a cooler; 6. an air intake line; 7. an exhaust line; 8. a water inlet pipeline; 9. a water return line; 10. a pressure reducing valve; 11. a first temperature sensor; 12. a first pressure sensor; 13. a first humidity sensor; 14. a pipeline heater; 15. a back pressure valve; 16. a second temperature sensor; 17. a second pressure sensor; 18. a proportional valve; 19. a flow meter; 20. a first pipeline; 21. a second pipeline; 22. a third pipeline; 23. and a fourth pipeline.
Detailed Description
The following describes the shape, structure, mutual position and connection relation between parts, action of parts and working principle of the specific embodiment of the present invention by describing examples in further detail:
as shown in figure 1, the invention relates to a endurance test device for a fuel cell circulating pump, wherein a gas source 1 is communicated with a second pipeline 21 through a first pipeline 20, the second pipeline 21 is communicated with a humidifier 2, the humidifier 2 is communicated with an air inlet pipeline 6 through a third pipeline 22, the air inlet pipeline 6 is communicated with an inlet of a hydrogen circulating pump 3, a pipeline heater 14 is sleeved on the third pipeline 22, an outlet of the hydrogen circulating pump 3 is communicated with an exhaust pipeline 7, the exhaust pipeline 7 is communicated with a fourth pipeline 23, the fourth pipeline 23 is communicated with an air inlet of a heat exchanger 4, the second pipeline 21 is communicated with an air outlet of the heat exchanger 4, the heat exchanger 4 is communicated with a cooler 5, and a pressure reducing valve 10 is arranged on the first pipeline 20. The structure provides an improved technical scheme aiming at the defects in the prior art. In order to ensure reliable performance of the durability test of the hydrogen circulating pump, the pressure, the temperature and the humidity are regulated and controlled in the test process. In the specific control process, when the hydrogen circulating pump runs under the working condition of endurance test, the required intake pressure and exhaust pressure are set by continuously adjusting the pressure reducing valve of the air inlet system and the back pressure valve of the exhaust system, and the pressure value is monitored by the pressure sensor. When the actual air inlet pressure is higher than a set pressure value, a pressure reducing valve is opened, high-pressure air enters an air source, and the air inlet pressure is reduced; when the actual air inlet pressure is lower than the set pressure value, the pressure reducing valve is closed, the air inlet pressure is improved, and finally, the adjustment control of the air inlet pressure and the air outlet pressure required by the test is realized. The water supply quantity of the cooler is adjusted through a flowmeter and a proportional valve of the cooling system, the heat radiation capacity of the heat exchanger is adjusted, and the air inlet temperature is monitored through a temperature sensor of the air inlet system. When the actual air inlet temperature is higher than the set temperature value, the cooling system is opened, the water supply amount is increased, and the air inlet temperature is reduced; when the actual air inlet temperature is lower than the set temperature value, the water supply amount is reduced or the cooling system is closed, the air inlet temperature is increased, when the actual temperature is still lower than the set temperature value, the pipeline heater is opened, the air inlet temperature is increased, and finally the air inlet temperature required by the test is realized. Monitoring air inlet humidity through a humidity sensor of an air inlet system, and reducing the water adding amount of the humidifier when the actual humidity is higher than a set humidity value; when the actual humidity is higher than the set humidity value, the water adding amount of the humidifier is increased, and finally the air inlet humidity required by the test is realized. The endurance test device for the fuel cell circulating pump, disclosed by the invention, can effectively meet the regulation and control of temperature, humidity and pressure in the endurance test of the hydrogen circulating pump, reflect the practical environment of product application to the greatest extent and effectively improve the accuracy of the endurance test result.
The cooler 5 is communicated with the water channel inlet of the heat exchanger 4 through a water inlet pipeline 8, and the cooler 5 is communicated with the water channel outlet of the heat exchanger 4 through a water return pipeline 9. According to the structure, the cooler is communicated with the heat exchanger, cooling water is supplied through the cooler, and heat exchange and cooling with gas are realized in the heat exchanger.
The water inlet pipeline 8 is provided with a proportional valve 18 and a flowmeter 19. According to the structure, the water supply amount of the cooler is adjusted through the setting of the flowmeter and the proportional valve of the cooling system, the heat radiation capacity of the heat exchanger is adjusted, and the air inlet temperature is monitored through the temperature sensor of the air inlet system.
A back pressure valve 15 is arranged between the exhaust line 7 and the fourth line 23. According to the structure, when the hydrogen circulating pump runs under the endurance test working condition, the required intake pressure and exhaust pressure are set by continuously adjusting the pressure reducing valve of the air inlet system and the back pressure valve of the exhaust system.
The third pipeline 22 is provided with a first temperature sensor 11, a first pressure sensor 12 and a first humidity sensor 13. The exhaust pipeline 7 is provided with a second temperature sensor 16 and a second pressure sensor 17. According to the structure, the temperature sensor, the pressure sensor and the humidity sensor acquire related information in real time and feed the information back to the control part to serve as a basis for adjusting the related parts, so that the requirements of a test are reliably met when the hydrogen circulating pump test is carried out.
The back pressure valve 15, the second temperature sensor 16, the second pressure sensor 17 and the exhaust pipeline 7 together form an exhaust system of the hydrogen circulating pump. The air source 1, the pressure reducing valve 10, the humidifier 2, the first temperature sensor 11, the first pressure sensor 12, the first humidity sensor 13, the pipeline heater 14 and the air inlet pipeline 6 form an air inlet system of the hydrogen circulating pump together. The cooler 5, the proportional valve 18, the flowmeter 19, the water inlet pipeline 8 and the water return pipeline 9 jointly form a cooling system of the heat exchanger 4, and the heat exchanger 4 is communicated with an air inlet system and an exhaust system.
The invention also relates to a test method of the fuel cell circulating pump endurance test device, which has simple steps, can effectively meet the regulation and control of temperature, humidity and pressure in the process of carrying out the hydrogen circulating pump endurance test, thereby reflecting the practical environment of product application to the greatest extent and effectively improving the accuracy of the endurance test result.
The test method of the endurance test device of the fuel cell circulating pump comprises the following steps:
s1, when a hydrogen circulating pump 3 is started to perform a durability test, high-temperature and high-pressure gas of an exhaust system enters an air inlet system through a heat exchanger 4; when the actual air inlet temperature is higher than the set temperature value, the pipeline heater 14 is turned off, the cooler 5 is turned on, and the air inlet temperature is reduced; when the actual air inlet temperature is lower than the set temperature value, the cooler 5 is closed, the pipeline heater 14 is opened, the air inlet temperature is increased, and the air inlet temperature is regulated and controlled; s2, when the hydrogen circulating pump 3 is started to perform a durability test, high-temperature and high-pressure gas of an exhaust system enters an air inlet system through the heat exchanger 4; when the actual air inlet pressure is higher than a set pressure value, the pressure reducing valve 10 is opened, high-pressure air enters the air source 1, and the air inlet pressure is reduced; when the actual air inlet pressure is lower than the set pressure value, the pressure reducing valve 10 is closed, the air inlet pressure is improved, and the regulation and control of the air inlet pressure are realized; s3, when the hydrogen circulating pump 3 is started to perform a durability test, the humidifier 2 is turned on, and when the actual humidity is higher than a set humidity value, the water adding amount of the humidifier 2 is reduced; when the actual humidity is higher than the set humidity value, the water adding amount of the humidifier 2 is increased, and the adjustment control of the air inlet humidity is realized.
The endurance test device for the fuel cell circulating pump is used for adjusting and controlling the pressure, the temperature and the humidity in the test process in order to ensure the reliable performance of the endurance test of the hydrogen circulating pump. In the specific control process, when the hydrogen circulating pump runs under the working condition of endurance test, the required intake pressure and exhaust pressure are set by continuously adjusting the pressure reducing valve of the air inlet system and the back pressure valve of the exhaust system, and the pressure value is monitored by the pressure sensor. When the actual air inlet pressure is higher than a set pressure value, a pressure reducing valve is opened, high-pressure air enters an air source, and the air inlet pressure is reduced; when the actual air inlet pressure is lower than the set pressure value, the pressure reducing valve is closed, the air inlet pressure is improved, and finally, the adjustment control of the air inlet pressure and the air outlet pressure required by the test is realized. The water supply quantity of the cooler is adjusted through a flowmeter and a proportional valve of the cooling system, the heat radiation capacity of the heat exchanger is adjusted, and the air inlet temperature is monitored through a temperature sensor of the air inlet system. When the actual air inlet temperature is higher than the set temperature value, the cooling system is opened, the water supply amount is increased, and the air inlet temperature is reduced; when the actual air inlet temperature is lower than the set temperature value, the water supply amount is reduced or the cooling system is closed, the air inlet temperature is improved, and when the actual temperature is still lower than the set temperature value, the pipeline heater is opened, the air inlet temperature is improved, and finally the air inlet temperature required by the test is realized. Monitoring air inlet humidity through a humidity sensor of an air inlet system, and reducing the water adding amount of the humidifier when the actual humidity is higher than a set humidity value; when the actual humidity is higher than the set humidity value, the water adding amount of the humidifier is increased, and finally the air inlet humidity required by the test is realized.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the specific implementation of the invention is not limited by the foregoing, but rather is within the scope of the invention as long as various modifications are made by the method concept and technical scheme of the invention, or the concept and technical scheme of the invention are directly applied to other occasions without modification.
Claims (10)
1. A durability test device for a fuel cell circulating pump is characterized in that: the air source (1) is communicated with the second pipeline (21) through the first pipeline (20), the second pipeline (21) is communicated with the humidifier (2), the humidifier (2) is communicated with the air inlet pipeline (6) through the third pipeline (22), the air inlet pipeline (6) is communicated with the inlet of the hydrogen circulating pump (3), the pipeline heater (14) is sleeved on the third pipeline (22), the outlet of the hydrogen circulating pump (3) is communicated with the exhaust pipeline (7), the exhaust pipeline (7) is communicated with the fourth pipeline (23), the fourth pipeline (23) is communicated with the air inlet of the heat exchanger (4), the second pipeline (21) is communicated with the air outlet of the heat exchanger (4), the heat exchanger (4) is communicated with the cooler (5), and the pressure reducing valve (10) is arranged on the first pipeline (20).
2. The durability test apparatus for a fuel cell circulation pump according to claim 1, wherein: the cooler (5) is communicated with a waterway inlet of the heat exchanger (4) through a water inlet pipeline (8), and the cooler (5) is communicated with a waterway outlet of the heat exchanger (4) through a water return pipeline (9).
3. The durability test apparatus for a fuel cell circulation pump according to claim 2, characterized in that: the water inlet pipeline (8) is provided with a proportional valve (18) and a flowmeter (19).
4. The durability test apparatus for a fuel cell circulation pump according to claim 1 or 2, characterized in that: a back pressure valve (15) is arranged between the exhaust pipeline (7) and the fourth pipeline (23).
5. The durability test apparatus for a fuel cell circulation pump according to claim 1 or 2, characterized in that: the third pipeline (22) is provided with a first temperature sensor (11), a first pressure sensor (12) and a first humidity sensor (13).
6. The durability test apparatus for a fuel cell circulation pump according to claim 4, wherein: the exhaust pipeline (7) is provided with a second temperature sensor (16) and a second pressure sensor (17).
7. The durability test apparatus for a fuel cell circulation pump according to claim 6, wherein: the back pressure valve (15), the second temperature sensor (16), the second pressure sensor (17) and the exhaust pipeline (7) form an exhaust system of the hydrogen circulating pump together.
8. The durability test apparatus for a fuel cell circulation pump according to claim 5, wherein: the air source (1), the pressure reducing valve (10), the humidifier (2), the first temperature sensor (11), the first pressure sensor (12), the first humidity sensor (13), the pipeline heater (14) and the air inlet pipeline (6) jointly form an air inlet system of the hydrogen circulating pump.
9. The durability test apparatus for a fuel cell circulation pump according to claim 3, wherein: the cooler (5), the proportional valve (18), the flowmeter (19), the water inlet pipeline (8) and the water return pipeline (9) jointly form a cooling system of the heat exchanger (4), and the heat exchanger (4) is communicated with the air inlet system and the exhaust system.
10. A test method of a fuel cell circulating pump endurance test device is characterized in that: the test method of the endurance test device of the fuel cell circulating pump comprises the following steps:
s1, when a hydrogen circulating pump (3) is started to perform a durability test, high-temperature and high-pressure gas of an exhaust system enters an air inlet system through a heat exchanger (4); when the actual air inlet temperature is higher than a set temperature value, the pipeline heater (14) is closed, the cooler (5) is opened, and the air inlet temperature is reduced; when the actual air inlet temperature is lower than a set temperature value, the cooler (5) is closed, the pipeline heater (14) is opened, the air inlet temperature is increased, and the air inlet temperature is regulated and controlled;
s2, when the hydrogen circulating pump (3) is started to perform a durability test, high-temperature and high-pressure gas of the exhaust system enters the air inlet system through the heat exchanger (4); when the actual air inlet pressure is higher than a set pressure value, a pressure reducing valve (10) is opened, high-pressure air enters an air source (1), and the air inlet pressure is reduced; when the actual air inlet pressure is lower than a set pressure value, the pressure reducing valve (10) is closed, the air inlet pressure is improved, and the air inlet pressure is regulated and controlled;
s3, when the hydrogen circulating pump (3) is started to perform a durability test, the humidifier (2) is turned on, and when the actual humidity is higher than a set humidity value, the water adding amount of the humidifier (2) is reduced; when the actual humidity is higher than the set humidity value, the water adding amount of the humidifier (2) is increased, and the adjustment control of the air inlet humidity is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310478823.4A CN116335931A (en) | 2023-04-28 | 2023-04-28 | Fuel cell circulating pump endurance test device and test method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310478823.4A CN116335931A (en) | 2023-04-28 | 2023-04-28 | Fuel cell circulating pump endurance test device and test method thereof |
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| CN116335931A true CN116335931A (en) | 2023-06-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112392711A (en) * | 2020-11-30 | 2021-02-23 | 深圳市氢蓝时代动力科技有限公司 | Method and device for testing hydrogen circulating pump |
| CN113067018A (en) * | 2021-03-02 | 2021-07-02 | 中国重汽集团济南动力有限公司 | Fuel cell hydrogen circulation test system |
| CN213870225U (en) * | 2020-11-11 | 2021-08-03 | 大连锐格新能源科技有限公司 | Hydrogen system test platform simulation galvanic pile is produced heat and is produced damp flow resistance device |
| CN114151321A (en) * | 2021-12-02 | 2022-03-08 | 上海重塑能源科技有限公司 | Hydrogen circulating pump test system for fuel cell engine and test method thereof |
| CN218030558U (en) * | 2022-07-18 | 2022-12-13 | 中船重工(重庆)西南装备研究院有限公司 | Durability test bed for hydrogen circulating pump |
-
2023
- 2023-04-28 CN CN202310478823.4A patent/CN116335931A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213870225U (en) * | 2020-11-11 | 2021-08-03 | 大连锐格新能源科技有限公司 | Hydrogen system test platform simulation galvanic pile is produced heat and is produced damp flow resistance device |
| CN112392711A (en) * | 2020-11-30 | 2021-02-23 | 深圳市氢蓝时代动力科技有限公司 | Method and device for testing hydrogen circulating pump |
| CN113067018A (en) * | 2021-03-02 | 2021-07-02 | 中国重汽集团济南动力有限公司 | Fuel cell hydrogen circulation test system |
| CN114151321A (en) * | 2021-12-02 | 2022-03-08 | 上海重塑能源科技有限公司 | Hydrogen circulating pump test system for fuel cell engine and test method thereof |
| CN218030558U (en) * | 2022-07-18 | 2022-12-13 | 中船重工(重庆)西南装备研究院有限公司 | Durability test bed for hydrogen circulating pump |
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