CN217955911U - Fuel Battery test system - Google Patents
Fuel Battery test system Download PDFInfo
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- CN217955911U CN217955911U CN202221486853.7U CN202221486853U CN217955911U CN 217955911 U CN217955911 U CN 217955911U CN 202221486853 U CN202221486853 U CN 202221486853U CN 217955911 U CN217955911 U CN 217955911U
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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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Abstract
The utility model relates to the technical field of fuel cell testing, in particular to a fuel cell testing system, which comprises a controller, an air cooling module and a water cooling module; the fuel cell comprises a cooling outlet and a cooling inlet, the cooling outlet is communicated with the air cooling module through a first valve, and the cooling outlet is communicated with the water cooling module through a second valve; the air cooling module and the water cooling module are communicated with the cooling inlet; the opening and closing of the first valve and the second valve of the controller realize the independent operation or the parallel operation of the air cooling module and the water cooling module; the utility model discloses an opening and close of first valve of controller, second valve can realize the independent operation or the parallel operation of forced air cooling module or water-cooling module, has solved the single problem of current forced air cooling testboard and water-cooling testboard radiating mode, can effectively avoid fuel cell engine test in independent forced air cooling module group or the proruption of independent water-cooling module to cause fuel cell engine damage unusually, practice thrift test time.
Description
Technical Field
The utility model relates to a fuel cell tests technical field, concretely relates to fuel cell test system.
Background
Along with the continuous breakthrough and development of the fuel cell technology, the application of the fuel cell in the automobile industry gradually realizes industrialization, and the whole automobile technology that the fuel cell engine replaces the traditional fuel engine is realized. In order to ensure the reliability and safety of the fuel cell engine, the fuel cell engine needs to be subjected to performance quality test before leaving a factory, and a fuel cell engine test bench needs to be used for heat dissipation management of the fuel cell engine in the test process.
The fuel cell engine test bench widely used at present has two heat dissipation modes, namely an air cooling heat dissipation test bench and a water cooling heat dissipation test bench. Both types of test stations have their own unique advantages and disadvantages.
The air cooling test bench for the fuel cell engine has the technical defects that: the heat dissipation mode is single, and the problem of overtemperature alarm of the fuel cell engine caused by sudden abnormality of a fan in the test of the fuel cell engine exists; resulting in interruption of the testing task, time and economic loss and a certain impact on engine performance.
The technical defects of the water-cooling test bench of the fuel cell engine are as follows: the heat dissipation mode is single, and the problem of overtemperature alarm of the fuel cell engine caused by the sudden abnormality of the independent air cooling module group or the independent water cooling module in the test of the fuel cell engine exists; resulting in interruption of the testing task, time and economic loss and a certain impact on engine performance.
The technical disadvantages of liquid convergence of different pipelines are as follows: the problem that the temperature distribution at different positions is uneven exists after the same liquid cooled by different pipelines is mixed suddenly, the measuring result of a temperature sensor is not accordant with the actual result, the temperature of a cooling medium needs to be monitored and controlled in real time in the performance test process of the fuel cell engine, and when the measuring result of the temperature sensor is not accordant with the actual result, the problem that overtemperature damage or the test condition is not accordant in the test of the fuel cell engine can be caused.
Because the characteristics of different specifications of the fuel cell engine, various external factors (reasons such as water chilling units and the like) and the like can be pertinently tested by adopting an air-cooled test bench or a water-cooled test bench, two test benches with different modes are required to be put into use when the quality performance test condition of the fuel cell engine is met, therefore, when a single air-cooled test bench or a single water-cooled test bench is carried out, a certain type of test bench is idle and cannot generate test benefit, and in the fuel cell test, the water-cooled test bench is mainly cooled by adopting water cooling, so that the idle time of air cooling is long, the construction time of the air-cooled test bench is short, the speed is high, the air-cooled test bench is generally firstly constructed, the cost of the water-cooled test bench is high, the construction period is long, and the test is carried out before the air-cooled test benches are constructed and then the test benches are remained.
The air cooling test bench and the water cooling test bench occupy larger space on site.
The hot medium discharged from the cooling medium outlet of the fuel engine is cooled after respectively passing through the air-cooled heat exchanger and the water-cooled heat exchanger through the branches and then is mixed again, so that the temperature difference is inevitably generated, the temperature distribution of different positions of the cooling medium is uneven, and the problem of error between the measurement result and the actual result of the temperature sensor is caused.
A water-cooling test bench is used independently, and an air-cooling air conditioning unit and a water-cooling air conditioning unit are required to be started, so that the problem of electric power energy waste can be caused.
Therefore, it is necessary to design a fuel cell engine test bench which combines the advantages of the two and has stable performance.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: a fuel cell testing system combining air cooling and water cooling is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a fuel cell test system comprises a controller, an air cooling module and a water cooling module;
the fuel cell comprises a cooling outlet and a cooling inlet, the cooling outlet is communicated with the air cooling module through a first valve, and the cooling outlet is communicated with the water cooling module through a second valve; the air cooling module and the water cooling module are communicated with the cooling inlet;
the opening and closing of the first valve and the second valve of the controller realize the independent operation or the parallel operation of the air cooling module and the water cooling module.
Preferably, the fuel cell testing system further comprises a liquid mixing and stirring device;
and the air cooling module and the water cooling module are communicated with the cooling inlet through a liquid mixing and stirring device.
Preferably, the liquid mixing and stirring device is communicated with the cooling inlet through a water pump.
Preferably, a third valve and a first temperature sensor are arranged on the cooling outlet;
and a fourth valve and a second temperature sensor are arranged on the cooling inlet.
Preferably, the air cooling module comprises an air cooling heat exchanger, and a third temperature sensor and a fifth valve which are arranged at the outlet of the air cooling heat exchanger.
Preferably, the water cooling module comprises a plate heat exchanger, an air-conditioning cooler, a proportional regulating valve, a fourth temperature sensor and a sixth valve;
the plate heat exchanger comprises a hot side inlet, a hot side outlet, a cold side inlet and a cold side outlet;
the hot side inlet is communicated with the second valve, the hot side outlet, the air conditioner cooler, the proportion regulating valve and the cold side inlet are sequentially communicated, and the fourth temperature sensor and the sixth valve are arranged on the cooling outlet.
Preferably, the controller is a PLC.
In order to solve the technical problem, the utility model discloses an another technical scheme be:
the testing method of the fuel cell testing system comprises the following steps
In the air cooling mode, after a first valve, a third valve, a fourth valve, a fifth valve, a first temperature sensor, a second temperature sensor, a third temperature sensor, an air cooling heat exchanger and a water pump are opened, whether the measured value of the second temperature sensor is larger than a set value is judged, if not, the rotating speed of the air cooling heat exchanger is reduced, if yes, whether the first temperature sensor is smaller than the preset value is judged, if yes, the test is continued until the test is finished, if not, whether the rotating speed of the air cooling heat exchanger is increased to an upper limit is judged, if yes, the test is stopped, otherwise, the rotating speed of the air cooling heat exchanger is gradually increased to the upper limit, and the step of judging whether the first temperature sensor is smaller than the preset value is returned;
and in the water cooling mode, after the second valve, the third valve, the fourth valve, the sixth valve, the first temperature sensor, the second temperature sensor, the fourth temperature sensor, the air-conditioning cooler, the proportional regulating valve and the water pump are opened, whether the measured value of the second temperature sensor is larger than a set value is judged, if not, the opening degree of the proportional regulating valve is reduced, if yes, whether the first temperature sensor is smaller than the preset value is judged, if yes, the test is continued until the test is finished, if not, whether the opening degree of the proportional regulating valve is increased to an upper limit is judged, if yes, the test is stopped, otherwise, the opening degree of the proportional regulating valve is gradually increased to the upper limit, and the step of judging whether the opening degree of the first temperature sensor is smaller than the preset value is returned.
Preferably, the test method further comprises switching from an air cooling mode to a combined cooling mode,
the air cooling mode-combined cooling mode comprises the step of directly executing the water cooling mode if the rotating speed of the air cooling heat exchanger is judged to be increased to the upper limit in the air cooling mode executing process.
Preferably, the test method further comprises switching from a water cooling mode to a combined cooling mode,
the step of changing the water cooling mode to the combined cooling mode comprises the step of judging whether the opening of the proportional control valve is increased to the upper limit in the execution process of the water cooling mode, and if so, directly executing the air cooling mode.
The beneficial effects of the utility model reside in that: the air cooling module or the water cooling module can independently operate or (simultaneously or sequentially) operate in parallel by opening and closing the first valve and the second valve of the controller, so that the problem that the existing air cooling test bench and the existing water cooling test bench have single heat dissipation mode is solved, and the problem of overtemperature alarm of the fuel cell engine caused by sudden abnormality of the independent air cooling module group or the independent water cooling module in the test of the fuel cell engine can be effectively avoided; the damage to the fuel cell engine under the condition is reduced, and the test time under the abnormal condition is saved; when the early-stage test system is put into use, the investment of the air cooling module can be reduced, the problem that the air cooling module is idle after the later-stage water cooling module is built is solved, the investment of the air cooling module can be saved, and a part of field space occupied by the air cooling module is released; during unsaturated test, the function of an air cooling module is replaced, the water cooling module does not need to be started, the consumption of electric energy during the starting period of the water cooling module is saved, and the benefits of energy conservation and environmental protection are indirectly achieved.
Drawings
Fig. 1 is a system block diagram of a fuel cell testing system according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a (single) air cooling mode of a testing method of a fuel cell testing system according to an embodiment of the present invention;
fig. 3 is a schematic flow chart of a (single) water cooling mode of a testing method of a fuel cell testing system according to an embodiment of the present invention;
fig. 4 is a schematic flow chart of a (single) air cooling mode to a combined cooling mode of a testing method of a fuel cell testing system according to an embodiment of the present invention;
fig. 5 is a schematic flow chart of the (single) water cooling mode to combined cooling mode of the testing method of the fuel cell testing system according to the embodiment of the present invention;
description of reference numerals: 1. a fuel cell; 2. a third valve; 3. a first temperature sensor; 4. a first valve; 5. an air-cooled heat exchanger; 6. a third temperature sensor; 7. a fifth valve; 8. a second valve; 9. a plate heat exchanger; 10. a proportional regulating valve; 11. an air conditioning cooler; 12. a fourth temperature sensor; 13. a sixth valve; 14. a liquid mixing and stirring device; 15. a water pump; 16. a second temperature sensor; 17. and a fourth valve.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 5, a fuel cell testing system includes a controller, an air cooling module and a water cooling module;
the fuel cell comprises a cooling outlet and a cooling inlet, the cooling outlet is communicated with the air cooling module through a first valve, and the cooling outlet is communicated with the water cooling module through a second valve; the air cooling module and the water cooling module are communicated with the cooling inlet;
the opening and closing of the first valve and the second valve of the controller realize the independent operation or the parallel operation of the air cooling module and the water cooling module.
From the above description, the independent operation or (simultaneous or sequential) parallel operation of the air cooling module or the water cooling module can be realized by opening and closing the first valve and the second valve of the controller, so that the problem of single heat dissipation mode of the existing air cooling test bench and the existing water cooling test bench is solved, and the problem of over-temperature alarm of the fuel cell engine caused by sudden abnormality of the independent air cooling module group or the independent water cooling module in the fuel cell engine test can be effectively avoided; the damage to the fuel cell engine under the condition is reduced, and the test time under the abnormal condition is saved; when the test system in the former period is put into use, the investment of the air cooling module can be reduced, the problem that the air cooling module is idle after the water cooling module is built in the later period is avoided, the investment of the air cooling module can be saved, and a part of field space occupied by the air cooling module is released; during unsaturated test, the function of an air cooling module is replaced, the water cooling module does not need to be started, the consumption of electric energy during the starting period of the water cooling module is saved, and the benefits of energy conservation and environmental protection are indirectly achieved.
Further, the fuel cell testing system also comprises a liquid mixing and stirring device;
the air cooling module and the water cooling module are communicated with the cooling inlet through a liquid mixing and stirring device.
From the above description, the problem of temperature difference after different pipelines are converged is solved through the liquid mixing and stirring device, and the situation that errors are generated between the measurement result of the temperature sensor and the actual result is avoided; therefore, the problem that overtemperature damage or non-conformity of test conditions occurs in the test of the fuel cell engine when the measurement result of the temperature sensor is not in accordance with the actual result is solved.
Further, the liquid mixing and stirring device is communicated with the cooling inlet through a water pump.
Further, a third valve and a first temperature sensor are arranged on the cooling outlet;
and a fourth valve and a second temperature sensor are arranged on the cooling inlet.
Furthermore, the air cooling module comprises an air cooling heat exchanger, and a third temperature sensor and a fifth valve which are arranged at the outlet of the air cooling heat exchanger.
Further, the water cooling module comprises a plate heat exchanger, an air conditioner cooler, a proportional regulating valve, a fourth temperature sensor and a sixth valve;
the plate heat exchanger comprises a hot side inlet, a hot side outlet, a cold side inlet and a cold side outlet;
the hot side inlet is communicated with the second valve, the hot side outlet, the air conditioner cooler, the proportion regulating valve and the cold side inlet are sequentially communicated, and the fourth temperature sensor and the sixth valve are arranged on the cooling outlet.
Further, the controller is a PLC.
The testing method of the fuel cell testing system comprises the following steps
In the air cooling mode, after a first valve, a third valve, a fourth valve, a fifth valve, a first temperature sensor, a second temperature sensor, a third temperature sensor, an air cooling heat exchanger and a water pump are opened, whether the measured value of the second temperature sensor is larger than a set value is judged, if not, the rotating speed of the air cooling heat exchanger is reduced, if yes, whether the first temperature sensor is smaller than the preset value is judged, if yes, the test is continued until the test is finished, if not, whether the rotating speed of the air cooling heat exchanger is increased to an upper limit is judged, if yes, the test is stopped, otherwise, the rotating speed of the air cooling heat exchanger is gradually increased to the upper limit, and the step of judging whether the first temperature sensor is smaller than the preset value is returned;
and in the water cooling mode, after the second valve, the third valve, the fourth valve, the sixth valve, the first temperature sensor, the second temperature sensor, the fourth temperature sensor, the air-conditioning cooler, the proportional regulating valve and the water pump are opened, whether the measured value of the second temperature sensor is larger than a set value is judged, if not, the opening degree of the proportional regulating valve is reduced, if yes, whether the first temperature sensor is smaller than the preset value is judged, if yes, the test is continued until the test is finished, if not, whether the opening degree of the proportional regulating valve is increased to an upper limit is judged, if yes, the test is stopped, otherwise, the opening degree of the proportional regulating valve is gradually increased to the upper limit, and the step of judging whether the opening degree of the first temperature sensor is smaller than the preset value is returned.
Further, the test method also comprises the steps of converting the air cooling mode into the combined cooling mode,
the air cooling mode is changed into the combined cooling mode, wherein when judging whether the rotating speed of the air cooling heat exchanger is increased to the upper limit or not in the execution process of the air cooling mode, if yes, the water cooling mode is directly executed.
Further, the test method also comprises the steps of switching from a water cooling mode to a combined cooling mode,
and the step of changing the water cooling mode into the combined cooling mode comprises the step of judging whether the opening of the proportional control valve is increased to the upper limit in the execution process of the water cooling mode, and if so, directly executing the air cooling mode.
Example one
Referring to fig. 1, a fuel cell 1 test system includes a controller, an air cooling module and a water cooling module;
the fuel cell 1 comprises a cooling outlet and a cooling inlet, the cooling outlet is communicated with the air cooling module through a first valve 4, and the cooling outlet is communicated with the water cooling module through a second valve 8; the air cooling module and the water cooling module are communicated with the cooling inlet;
the controller realizes the independent operation or the parallel operation of the air cooling module and the water cooling module by opening and closing the first valve 4 and the second valve 8.
The fuel cell 1 test system further comprises a liquid mixing and stirring device 14;
the air cooling module and the water cooling module are communicated with the cooling inlet through a liquid mixing and stirring device 14.
The liquid mixing and stirring device 14 is communicated with the cooling inlet through a water pump 15.
A third valve 2 and a first temperature sensor 3 are arranged on the cooling outlet;
and a fourth valve 17 and a second temperature sensor 16 are arranged on the cooling inlet.
The air cooling module comprises an air cooling heat exchanger 5, and a third temperature sensor 6 and a fifth valve 7 which are arranged at the outlet of the air cooling heat exchanger 5.
The water cooling module comprises a plate heat exchanger 9, an air-conditioning cooler 11, a proportional regulating valve 10, a fourth temperature sensor 12 and a sixth valve 13;
the plate heat exchanger 9 comprises a hot side inlet, a hot side outlet, a cold side inlet and a cold side outlet;
the hot side inlet is communicated with the second valve 8, the hot side outlet, the air conditioner cooler 11, the proportion regulating valve 10 and the cold side inlet are sequentially communicated, and the fourth temperature sensor 12 and the sixth valve 13 are arranged on the cooling outlet.
The controller is a PLC.
Example two
A testing method of the fuel cell 1 testing system comprises the following steps
After the test system is connected with the engine of the fuel cell 1 and powered on, a mode is selected on a man-machine interaction interface (connected with an upper computer for testing and collecting data, the same is applied below)
In the air cooling mode, referring to fig. 2, after the controller controls to open the first valve 4, the third valve 2, the fourth valve 17, the fifth valve 7, the first temperature sensor 3, the second temperature sensor 16, the third temperature sensor 6, the air-cooled heat exchanger 5 and the water pump 15 (open components are not described, and the default is a closed state) through a PLC program, whether a measured value of the second temperature sensor 16 is greater than a set value is judged, if not, the rotating speed of the air-cooled heat exchanger 5 is reduced, if yes, whether the first temperature sensor 3 is smaller than a preset value is judged, if yes, the test is continued until the test is finished, if not, whether the rotating speed of the air-cooled heat exchanger 5 is increased to an upper limit is judged, if yes, the test is stopped, and if not, the rotating speed of the air-cooled heat exchanger 5 is gradually increased to the upper limit and the step of judging whether the first temperature sensor 3 is smaller than the preset value is returned;
referring to fig. 3, in the water cooling mode, the controller controls to open the second valve 8, the third valve 2, the fourth valve 17, the sixth valve 13, the first temperature sensor 3, the second temperature sensor 16, the fourth temperature sensor 12, the air-conditioning cooler 11, the proportional control valve 10, and the water pump 15 (open components are not described, and the default is a closed state) through a PLC program, and then determines whether a measured value of the second temperature sensor 16 is greater than a set value, if not, the opening degree of the proportional control valve 10 is reduced, if yes, it is determined whether the first temperature sensor 3 is smaller than a preset value, if yes, the test is continued until the test is finished, if not, it is determined whether the opening degree of the proportional control valve 10 is increased to an upper limit, if yes, the test is stopped, otherwise, the opening degree of the proportional control valve 10 is gradually increased to the upper limit, and the step of determining whether the first temperature sensor 3 is smaller than the preset value is returned.
Turning the air cooling mode to the combined cooling mode, referring to fig. 4, after the controller controls to open the first valve 4, the third valve 2, the fourth valve 17, the fifth valve 7, the first temperature sensor 3, the second temperature sensor 16, the third temperature sensor 6, the air-cooled heat exchanger 5 and the water pump 15 (open components are not described, and the default is a closed state) through a PLC program, judging whether a measured value of the second temperature sensor 16 is greater than a set value, if not, reducing the rotation speed of the air-cooled heat exchanger 5, if so, judging whether the first temperature sensor 3 is less than a preset value, if so, continuing to finish the test, otherwise, judging whether the rotation speed of the air-cooled heat exchanger 5 is increased to an upper limit, if so, controlling to open the second valve 8, the third valve 2, the fourth valve 17, the sixth valve 13, the first temperature sensor 3, the second temperature sensor 16, the fourth temperature sensor 12, the air-conditioning cooler 11, the proportional regulating valve 10 and the water pump 15 through the PLC program, judging whether the measured value of the second temperature sensor 16 is greater than the set value, if not, if so, continuing to the opening regulating valve 10, otherwise, stopping the test, and if not, gradually increasing the opening of the first temperature sensor 3 to the upper limit is less than the preset value, or else, stopping the upper limit of the test; if the rotating speed of the air-cooled heat exchanger 5 is not higher than the upper limit, gradually increasing the rotating speed of the air-cooled heat exchanger 5 to the upper limit, and returning to the step of judging whether the first temperature sensor 3 is smaller than the preset value;
turning from the water cooling mode to the combined cooling mode, referring to fig. 5, after the controller controls to open the second valve 8, the third valve 2, the fourth valve 17, the sixth valve 13, the first temperature sensor 3, the second temperature sensor 16, the fourth temperature sensor 12, the air-conditioning cooler 11, the proportional regulating valve 10 and the water pump 15 (open components are not described, and the closed state is default) through a PLC program, judging whether a measured value of the second temperature sensor 16 is greater than a set value, if not, reducing the opening degree of the proportional regulating valve 10, if so, judging whether the first temperature sensor 3 is smaller than a preset value, if so, continuing to finish the test, otherwise, judging whether the opening degree of the proportional regulating valve 10 is increased to an upper limit, if so, after the controller controls to open the first valve 4, the third valve 2, the fourth valve 17, the fifth valve 7, the first temperature sensor 3, the second temperature sensor 16, the third temperature sensor 6, the air-cooled heat exchanger 5 and the water pump 15 (open components are not described, and the default state is the open components are not, if so, judging whether the measured value of the measured by the second temperature sensor 16 is smaller than the preset value, if not, continuing to finish the air-cooled heat exchanger, otherwise, gradually increasing to the upper limit, judging whether the air-cooled heat exchanger is increased to the upper limit if so, otherwise, or, if so, stopping the heat exchanger is not, and stopping the heat exchanger 5, and if so, and stopping the heat exchanger testing is gradually stopping the heat exchanger is judged; and if the opening degree of the proportional control valve 10 is not increased to the upper limit, gradually increasing the opening degree of the proportional control valve 10 to the upper limit, and returning to the step of judging whether the first temperature sensor 3 is smaller than the preset value.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (7)
1. A fuel cell test system is characterized by comprising a controller, an air cooling module and a water cooling module;
the fuel cell comprises a cooling outlet and a cooling inlet, the cooling outlet is communicated with the air cooling module through a first valve, and the cooling outlet is communicated with the water cooling module through a second valve; the air cooling module and the water cooling module are communicated with the cooling inlet;
the opening and closing of the first valve and the second valve of the controller realize the independent operation or the parallel operation of the air cooling module and the water cooling module.
2. The fuel cell testing system of claim 1, further comprising a liquid mixing and agitation device;
the air cooling module and the water cooling module are communicated with the cooling inlet through a liquid mixing and stirring device.
3. The fuel cell testing system of claim 2, wherein the liquid mixing and agitation device is in communication with the cooling inlet via a water pump.
4. The fuel cell testing system of claim 2, wherein a third valve and a first temperature sensor are disposed on the cooling outlet;
and a fourth valve and a second temperature sensor are arranged on the cooling inlet.
5. The fuel cell testing system of claim 1, wherein the air-cooled module comprises an air-cooled heat exchanger, and a third temperature sensor and a fifth valve arranged at an outlet of the air-cooled heat exchanger.
6. The fuel cell testing system of claim 1, wherein the water cooling module comprises a plate heat exchanger, an air conditioner cooler, a proportional regulating valve, a fourth temperature sensor, and a sixth valve;
the plate heat exchanger comprises a hot side inlet, a hot side outlet, a cold side inlet and a cold side outlet;
the hot side inlet is communicated with the second valve, the hot side outlet, the air conditioner cooler, the proportion regulating valve and the cold side inlet are sequentially communicated, and the fourth temperature sensor and the sixth valve are arranged on the cooling outlet.
7. The fuel cell testing system of claim 1, wherein the controller is a PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221486853.7U CN217955911U (en) | 2022-06-15 | 2022-06-15 | Fuel Battery test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221486853.7U CN217955911U (en) | 2022-06-15 | 2022-06-15 | Fuel Battery test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217955911U true CN217955911U (en) | 2022-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221486853.7U Active CN217955911U (en) | 2022-06-15 | 2022-06-15 | Fuel Battery test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217955911U (en) |
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2022
- 2022-06-15 CN CN202221486853.7U patent/CN217955911U/en active Active
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