CN220103422U - Heat source simulation device and fuel cell test system - Google Patents
Heat source simulation device and fuel cell test system Download PDFInfo
- Publication number
- CN220103422U CN220103422U CN202321420185.2U CN202321420185U CN220103422U CN 220103422 U CN220103422 U CN 220103422U CN 202321420185 U CN202321420185 U CN 202321420185U CN 220103422 U CN220103422 U CN 220103422U
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- heat source
- fuel cell
- liquid storage
- storage barrel
- source simulation
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- 239000000446 fuel Substances 0.000 title claims abstract description 52
- 238000004088 simulation Methods 0.000 title claims abstract description 45
- 238000012360 testing method Methods 0.000 title claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 230000001105 regulatory effect Effects 0.000 claims abstract description 9
- 239000008367 deionised water Substances 0.000 claims abstract description 7
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000009835 boiling Methods 0.000 abstract description 12
- 238000011990 functional testing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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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
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- Fuel Cell (AREA)
Abstract
The utility model relates to the technical field of fuel cell testing, and discloses a heat source simulation device and a fuel cell testing system, wherein the heat source simulation device comprises: the device comprises a liquid storage barrel, a temperature control loop and a heat exchange loop, wherein the liquid storage barrel is respectively connected with the temperature control loop and the heat exchange loop, an air outlet and a pressurizing port are formed in the liquid storage barrel, a pressure regulating valve and a pressure sensor are arranged on the pressurizing port, and deionized water is arranged in the liquid storage barrel. The external circulating water pump and the internal circulating water pump are operated under the condition that deionized water is arranged in the liquid storage barrel to remove gas in the pipeline, the exhaust valve is closed after the removal is finished, compressed air is introduced into the liquid storage barrel through the pressurizing port, the atmospheric pressure in the pipeline is improved, and then the boiling point of water is improved, so that the heat source simulation board is prevented from generating the medium boiling phenomenon in the pipeline when the module to be tested is operated at high temperature, and the influence on the service life of equipment and the test result is removed.
Description
Technical Field
The present utility model relates to the field of fuel cell testing technologies, and in particular, to a heat source simulation device and a fuel cell testing system.
Background
When testing the fuel cell thermal management system or related parts, the medium in the pipeline needs to be heated by the test bench to simulate the actual working environment so as to complete the test and verification of the fuel cell thermal management system and the related parts.
The commonly adopted heat source simulation structure is to directly connect the PTC to a test pipeline of a test bench in series, and realize the function of heat source simulation by adjusting the heating power of the PTC; or heat exchange is carried out inside the system to be tested in a plate exchange mode, one side of the plate exchange is connected in series with a test pipeline shape, the other side of the plate exchange is connected with temperature adjusting equipment such as PTC (positive temperature coefficient), plate exchange and the like to form a heat source side, and the heat source simulation in the test of the fuel cell thermal management system or related parts is realized by adjusting the power and the temperature through the inlet temperature and the flow of the heat source side.
However, in the prior art, the former has a simple structure, the PTC is directly connected into the test pipeline in series to obviously improve the flow resistance of the pipeline, and the increase of the flow resistance of the pipeline further influences the performance test of each part of the thermal management system, so that the test result is inaccurate; while the latter solves the problem of large flow resistance of the former, as the technical requirement increases, the highest test inlet temperature required by the thermal management system and parts thereof reaches 95 ℃, if the test inlet temperature is required to be met, the outlet temperature of the heat source side is not lower than 95 ℃, so that the temperature of the plate exchange inlet side is higher, the outlet temperature of the heater device of the heat source side is higher than the plate exchange inlet side temperature, the boiling point of water is 100 ℃, therefore, the medium of the heat source side has the risk of boiling, a large amount of bubbles can be generated to impact equipment in a pipeline once the boiling phenomenon occurs, the service life of the equipment is further reduced, and the flow and temperature control inaccuracy of the plate exchange heat source side can be generated after the boiling occurs, thereby influencing the test effect.
Disclosure of Invention
The utility model provides a heat source simulation device and a fuel cell test system, and aims to solve the problems that the heat source simulation device for testing a fuel cell heat management system and parts thereof provided by the prior art is too high in temperature to cause medium boiling, so that the service life of equipment and the test result are influenced.
The technical content of the utility model is as follows:
a heat source simulation device, comprising:
the device comprises a liquid storage barrel, a temperature control loop and a heat exchange loop, wherein the liquid storage barrel is respectively connected with the temperature control loop and the heat exchange loop, an air outlet and a pressurizing port are formed in the liquid storage barrel, a pressure regulating valve and a pressure sensor are arranged on the pressurizing port, and deionized water is arranged in the liquid storage barrel.
Further, an internal circulating water pump, a PTC heating element, a cooling plate and a cooling tower are arranged on the temperature control loop, the internal circulating water pump, the PTC heating element, the cooling tower and the liquid storage barrel are sequentially connected, and the cooling plate is connected to a liquid outlet and an inlet of the cooling tower.
Further, an external circulating water pump, a first flowmeter, a first temperature sensor, a heat source simulation board switch and a second temperature sensor are arranged on the heat exchange loop, and the external circulating water pump, the first flowmeter, the first temperature sensor, the heat source simulation board switch, the second temperature sensor and the liquid storage barrel are sequentially connected.
Further, a third temperature sensor is arranged on the liquid storage barrel.
Further, an exhaust valve is arranged on the exhaust port.
The utility model also provides a fuel cell testing system, which comprises the heat source simulation device according to any one of the above, and further comprises a fuel cell module to be tested, wherein the fuel cell module to be tested is circularly connected with the heat source simulation board, the fuel cell module to be tested is connected with the liquid outlet and inlet of the heat exchange loop through the heat source simulation board, and the fuel cell module to be tested realizes functional test through the heat exchange loop.
Further, a fourth temperature sensor, a second flowmeter and a fifth temperature sensor are arranged on a connecting pipeline between the fuel cell module to be tested and the heat source simulation board, the fourth temperature sensor and the second flowmeter are arranged on a liquid inlet pipeline of the fuel cell module to be tested, and the fifth temperature sensor is arranged on a liquid outlet pipeline of the fuel cell module to be tested.
Further, the fuel cell module to be tested includes, but is not limited to, a fuel cell thermal management system, and fuel cell thermal management components.
The beneficial effects of the utility model include: the external circulating water pump and the internal circulating water pump are operated under the condition that deionized water is arranged in the liquid storage barrel to remove gas in the pipeline, the exhaust valve is closed after the removal is finished, compressed air is introduced into the liquid storage barrel through the pressurizing port, the atmospheric pressure in the pipeline is improved, and then the boiling point of water is improved, so that the heat source simulation board is prevented from generating the medium boiling phenomenon in the pipeline when the module to be tested is operated at high temperature, and the influence on the service life of equipment and the test result is removed.
Drawings
Fig. 1 is a schematic structural diagram of a fuel cell testing system according to the present utility model.
Wherein:
1-a liquid storage barrel;
101-an exhaust port; 102-an exhaust valve; 103-a pressure sensor; 104-a pressure regulating valve; 105-a pressurization port; 106-a third temperature sensor;
2-a temperature control loop;
201-an internal circulating water pump; 202-PTC heating element; 203-cooling plate replacement; 204-a cooling tower;
3-a heat exchange loop;
301-an external circulating water pump; 302-a first flowmeter; 303-a first temperature sensor; 304-heat source simulation board replacement; 305-a second temperature sensor;
4-a fuel cell module to be tested;
401-fourth temperature sensor; 402-a second flowmeter; 403-fifth temperature sensor.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the present utility model provides a heat source simulation device, including:
the liquid storage barrel 1, the temperature control loop 2 and the heat exchange loop 3, the liquid storage barrel 1 is respectively connected with the temperature control loop 2 and the heat exchange loop 3, the liquid storage barrel 1 is provided with an exhaust port 101 and a pressurizing port 105, the pressurizing port 105 is provided with a pressure regulating valve 104 and a pressure sensor 103, deionized water is arranged in the liquid storage barrel 1, the temperature control loop 2 is connected with the heat exchange loop 3 through the liquid storage barrel 1, and the temperature in the liquid storage barrel 1 is regulated by the temperature control loop 2.
Further, an internal circulating water pump 201, a PTC heating element 202, a cooling plate exchanger 203 and a cooling tower 204 are arranged on the temperature control loop 2, the internal circulating water pump 201, the PTC heating element 202, the cooling tower 204 and the liquid storage barrel 1 are sequentially connected, the cooling plate exchanger 203 is connected to the liquid outlet and inlet of the cooling tower 204, the cooling plate exchanger 203 is connected with the PTC heating element, and the cooling liquid flowing out of the liquid storage barrel 1 flows back into the liquid storage barrel 1 through the cooling plate exchanger 203 after passing through the internal circulating water pump 201, the PTC heating element 202, the cooling plate exchanger 203 and the cooling tower 204.
Further, the heat exchange circuit 3 is provided with an external circulating water pump 301, a first flowmeter 302, a first temperature sensor 303, a heat source simulation board switch 304, and a second temperature sensor 305, and the external circulating water pump 301, the first flowmeter 302, the first temperature sensor 303, the heat source simulation board switch 304, the second temperature sensor 305, and the liquid storage tank 1 are sequentially connected.
Further, a third temperature sensor 106 is provided on the liquid storage barrel 1.
Further, an exhaust valve 102 is provided on the exhaust port 101.
The utility model also provides a fuel cell testing system, which comprises the heat source simulation device according to any one of the above, and further comprises a fuel cell module 4 to be tested, wherein the fuel cell module 4 to be tested is circularly connected with the heat source simulation board switch 304, the fuel cell module 4 to be tested is connected with the liquid outlet and inlet of the heat exchange loop 3 through the heat source simulation board switch 304, and the fuel cell module 4 to be tested realizes functional test through the heat exchange loop 3.
Further, a fourth temperature sensor 401, a second flowmeter 402 and a fifth temperature sensor 403 are disposed on the connection pipeline between the fuel cell module to be tested 4 and the heat source simulation board 304, the fourth temperature sensor 401, the second flowmeter 402 are disposed on the liquid inlet pipeline of the fuel cell module to be tested 4, and the fifth temperature sensor 403 is disposed on the liquid outlet pipeline of the fuel cell module to be tested 4.
Further, the fuel cell module to be tested 4 includes, but is not limited to, a fuel cell thermal management system, and fuel cell thermal management components.
The first temperature sensor, the second temperature sensor, the fourth temperature sensor and the fifth temperature sensor are respectively arranged at a liquid inlet and a liquid outlet which are connected with the liquid storage barrel, and a liquid outlet and a liquid inlet which are connected with the fuel cell module to be tested.
Implementation of the fuel cell test system:
firstly, after starting up self-checking, opening an inner circulating water pump and an outer circulating water pump to add water and drain water, and after exhausting, introducing compressed air through a pressurizing port to pressurize a pipeline, so as to improve the atmospheric pressure in the pipeline, thereby improving the boiling point of water;
secondly, sending the temperature required by the fuel cell module to be tested to a test bench through the fuel cell module to be tested;
and finally, the test temperature is adjusted through the heat source simulation board replacement, and when the temperature detected by the fourth temperature sensor is equal to the temperature required by the fuel cell module to be tested, the test is completed.
According to the utility model, the temperature in the liquid storage barrel is regulated through the temperature control loop, the temperature of the heat source simulation board in the heat exchange loop is controlled through the temperature change of the liquid storage barrel and is used as the test temperature of the fuel cell module to be tested, when the regulated test temperature is the same as the test required temperature, the test is completed, and the flow on the heat exchange loop can be regulated through the external circulating water pump and is used as the test required flow.
The heat source simulation scheme of the test board of the fuel cell thermal management system is realized by increasing the pressure in the pipeline to increase the boiling point of water, so that stable heat source supply can be provided for testing the thermal management system, the medium in the pipeline of the heat source simulation device can not generate boiling phenomenon under the condition of high-temperature operation of the fuel cell module to be tested, a high-temperature test environment is provided for testing the thermal management system and parts thereof, and the accuracy of test results is improved.
According to the utility model, the liquid storage barrel is used as a buffer tank for adjusting the test temperature, so that the temperature mutation can be prevented, and the stability of the human simulation device is protected.
The deionized water in the liquid storage barrel can be replaced by other high-boiling-point media, and the flow and the inlet temperature of the heat source simulation board can be adjusted according to the specific heat capacity of the media, so that the same purpose can be achieved under the condition of no pressurization.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (8)
1. A heat source simulation device, characterized in that: comprising the following steps:
the device comprises a liquid storage barrel, a temperature control loop and a heat exchange loop, wherein the liquid storage barrel is respectively connected with the temperature control loop and the heat exchange loop, an air outlet and a pressurizing port are formed in the liquid storage barrel, a pressure regulating valve and a pressure sensor are arranged on the pressurizing port, and deionized water is arranged in the liquid storage barrel.
2. The heat source simulation device according to claim 1, wherein: the temperature control loop is provided with an internal circulating water pump, a PTC heating element, a cooling plate exchanger and a cooling tower, wherein the internal circulating water pump, the PTC heating element, the cooling tower and a liquid storage barrel are sequentially connected, and the cooling plate exchanger is connected to a liquid outlet and an inlet of the cooling tower.
3. The heat source simulation device according to claim 1, wherein: the heat exchange loop is provided with an external circulating water pump, a first flowmeter, a first temperature sensor, a heat source simulation board exchanger and a second temperature sensor, and the external circulating water pump, the first flowmeter, the first temperature sensor, the heat source simulation board exchanger, the second temperature sensor and the liquid storage barrel are sequentially connected.
4. The heat source simulation device according to claim 1, wherein: and a third temperature sensor is arranged on the liquid storage barrel.
5. The heat source simulation device according to claim 1, wherein: and an exhaust valve is arranged on the exhaust port.
6. A fuel cell testing system comprising the heat source simulation device according to any one of claims 1 to 5, characterized in that: the heat source simulation board is used for simulating the heat exchange of the heat source, and the heat source simulation board is used for simulating the heat exchange of the heat source, so that the heat exchange of the heat source simulation board is realized.
7. The fuel cell testing system according to claim 6, wherein: and a fourth temperature sensor, a second flowmeter and a fifth temperature sensor are arranged on a connecting pipeline between the fuel cell module to be tested and the heat source simulation board, the fourth temperature sensor and the second flowmeter are arranged on a liquid inlet pipeline of the fuel cell module to be tested, and the fifth temperature sensor is arranged on a liquid outlet pipeline of the fuel cell module to be tested.
8. The fuel cell testing system according to claim 7, wherein: the fuel cell module to be tested comprises a fuel cell thermal management system and fuel cell thermal management components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321420185.2U CN220103422U (en) | 2023-06-06 | 2023-06-06 | Heat source simulation device and fuel cell test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321420185.2U CN220103422U (en) | 2023-06-06 | 2023-06-06 | Heat source simulation device and fuel cell test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220103422U true CN220103422U (en) | 2023-11-28 |
Family
ID=88872080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321420185.2U Active CN220103422U (en) | 2023-06-06 | 2023-06-06 | Heat source simulation device and fuel cell test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220103422U (en) |
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2023
- 2023-06-06 CN CN202321420185.2U patent/CN220103422U/en active Active
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