Test system for fuel cell waterway component

Abstract

The utility model relates to the technical field of test systems, and discloses a test system for a fuel cell waterway component, which comprises a water pump, a PCT heater, a radiator, a first test pipeline, a second test pipeline and a first flowmeter, and is characterized in that the second test pipeline comprises a first fixed section, a second fixed section, a second flowmeter and a first control valve; according to the application, the first test pipeline and the second test pipeline are arranged, and the PCT heater, the radiator and the water pump are installed on the first test pipeline, so that test systems for the PCT heater, the water pump and other water path components are integrated into a whole; the water pump, the PCT heater and the other waterway parts can be tested only by installing the to-be-tested waterway parts on the test system, the test cost is reduced, the test can be completed only by installing the to-be-tested waterway parts on the test system, and the test efficiency is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of test systems, in particular to a test system for fuel cell waterway components. Background Technique

[0002] At present, existing fuel cells need to ensure a certain working temperature, and usually a waterway system is set up to adjust the temperature of the fuel cell. For example, when the temperature of the fuel cell is too high during operation, the heat released by the fuel cell is absorbed, and when the temperature of the fuel cell is too low during startup, the fuel cell is heated.

[0003] The existing waterway system usually consists of waterway components such as a water pump, a PCT heater, and a control valve. In order to ensure the reliability of the waterway system, before the waterway system is put into experiment, each component of the waterway system will be tested to judge the working conditions of each component at different temperatures and different flow rates. However, the existing test bench has a single function and can only test the waterway components separately, which not only has low test efficiency but also high test cost. Content of the Utility Model

[0004] The purpose of the utility model is to provide a test system for fuel cell waterway components, which can not only improve the test efficiency but also reduce the test cost.

[0005] To achieve the above purpose, the utility model provides a test system for fuel cell waterway components, including: a water pump, a PCT heater, a radiator, a first test pipeline, a second test pipeline, and a first flowmeter; the water pump has a liquid outlet end and a liquid inlet end, one end of the first test pipeline is connected to the liquid outlet end, and the other end passes through the PCT heater and the radiator in sequence and is connected to the liquid inlet end. The first flowmeter is arranged on the first test pipeline between the liquid outlet end and the PCT heater. Both the water pump and the PCT heater are detachably connected to the first test pipeline; the second test pipeline includes a first fixed section, a second fixed section, a second flowmeter, and a first control valve. One end of the first fixed section is connected to the first test pipeline between the liquid outlet end and the PCT heater, one end of the second fixed section is connected to the first test pipeline between the radiator and the liquid inlet end, the other ends of the first fixed section and the second fixed section are arranged corresponding to each other, and the position between the other ends of the first fixed section and the second fixed section is an access position for accessing the waterway component to be tested. The second flowmeter and the first control valve are arranged on the first fixed section at intervals.

[0006] Optionally, it includes a plurality of the second test pipelines. A plurality of the first fixed sections are spacedly arranged on the first test pipeline between the liquid outlet end and the PCT heater, and a plurality of the second fixed sections are spacedly arranged on the first test pipeline between the radiator and the liquid inlet end.

[0007] Optionally, among the plurality of the second test pipelines, the diameters of the plurality of the first fixed sections are different from each other. In the same second test pipeline, the diameter of the first fixed section is the same as that of the second fixed section.

[0008] Optionally, it further includes a first connection pipeline and a second connection pipeline. The first connection pipeline is connected to the first test pipeline between the liquid outlet end and the PCT heater, and the second connection pipeline is connected to the first test pipeline between the radiator and the liquid inlet end. A plurality of the second test pipelines are spacedly arranged between the first connection pipeline and the second connection pipeline, and one end of the first fixed section is connected to the first connection pipeline, and one end of the second fixed section is connected to the second connection pipeline.

[0009] Optionally, it further includes a liquid supply tank. The liquid supply tank is connected to the first test pipeline, and the connection position between the liquid supply tank and the first test pipeline is located between the liquid inlet end and the radiator.

[0010] Optionally, it further includes a second control valve. The second control valve is arranged on the first test pipeline and is located between the liquid inlet end and the radiator.

[0011] Optionally, it further includes a temperature test component. The temperature test component includes a first temperature sensor, a second temperature sensor, a third temperature sensor, a fourth temperature sensor, a fifth temperature sensor, and a sixth temperature sensor. The connection position between the first fixed section and the first test pipeline is the first connection point, and the connection position between the second fixed section and the first test pipeline is the second connection point. The first temperature sensor is arranged on the first test pipeline between the liquid outlet end and the first connection point. The second temperature sensor is arranged on the first test pipeline between the liquid inlet end and the second connection point. The third temperature sensor is arranged on the first test pipeline between the first connection point and the PCT heater. The fourth temperature sensor is arranged on the first test pipeline between the PCT heater and the radiator. The fifth temperature sensor is arranged on the first fixed section, and the sixth temperature sensor is arranged on the second fixed section.

[0012] Optionally, it further includes a pressure test component, which includes a first pressure sensor, a second pressure sensor, a third pressure sensor, a fourth pressure sensor, a fifth pressure sensor, and a sixth pressure sensor; the connection position between the first fixed section and the first test pipeline is the first connection point, and the connection position between the second fixed section and the first test pipeline is the second connection point; the first pressure sensor is arranged on the first test pipeline between the liquid outlet end and the first connection point; the second pressure sensor is arranged on the first test pipeline between the liquid inlet end and the second connection point; the third pressure sensor is arranged on the first test pipeline between the first connection point and the PCT heater; the fourth pressure sensor is arranged on the first test pipeline between the PCT heater and the radiator; the fifth pressure sensor is arranged on the first fixed section, and the sixth pressure sensor is arranged on the second fixed section.

[0013] Optionally, the radiator is a fan radiator.

[0014] Compared with the prior art, the beneficial effect of a test system for fuel cell waterway components in an embodiment of the present utility model lies in: by setting a first test pipeline and a second test pipeline, as well as a PCT heater, a radiator, and a water pump installed on the first test pipeline, the test systems for the PCT heater, the water pump, and other waterway components are integrated. Specifically, when testing the water pump, replace the originally installed water pump on the first test pipeline with the water pump to be tested, adjust the liquid flow rate by the water pump to be tested, and control the liquid temperature by the PCT heater and the radiator, so as to test the working conditions of the water pump at different temperatures and different flow rates. When testing the PCT heater, replace the originally installed PCT heater on the first test pipeline with the PCT heater to be tested, control the liquid flow rate by the water pump, and adjust the liquid temperature by the PCT heater to be tested and the radiator, so as to test the working conditions of the PCT heater at different temperatures and different flow rates. When testing other waterway components, install the waterway component to be tested at the access position, control the liquid temperature flowing through the waterway component to be tested by the PCT heater and the radiator, and control the liquid flow rate flowing through the waterway component to be tested by the water pump, so as to test the working conditions of the PCT heater at different temperatures and different flow rates; during the use of this application, a test system can be used to complete the tests of the water pump, the PCT heater, and other waterway components, which not only reduces the test cost, but also only needs to install the waterway components to be tested on the test system respectively to complete the test, further improving the test efficiency. Description of the Drawings

[0015] Figure 1 is a schematic structural diagram of the test system for fuel cell waterway components in Embodiment 1 of the present utility model;

[0016] Figure 2 It is a schematic structural diagram of the test system for the fuel cell water path component in Embodiment 2 of the present utility model.

[0017] In the figure, 1 is a water pump; 2 is a PCT heater; 3 is a radiator; 4 is a first test pipeline; 5 is a second test pipeline; 51 is a first fixed section; 52 is a second fixed section; 53 is an access position; 54 is a second flowmeter; 55 is a first control valve; 6 is a first flowmeter; 7 is a first connecting pipeline; 8 is a second connecting pipeline; 9 is a liquid supply tank; 10 is a second control valve; 11 is a temperature test component; 111 is a first temperature sensor; 112 is a second temperature sensor; 113 is a third temperature sensor; 114 is a fourth temperature sensor; 115 is a fifth temperature sensor; 116 is a sixth temperature sensor; 12 is a pressure test component; 121 is a first pressure sensor; 122 is a second pressure sensor; 123 is a third pressure sensor; 124 is a fourth pressure sensor; 125 is a fifth pressure sensor; 126 is a sixth pressure sensor. Detailed implementation manners

[0018] The following combines the accompanying drawings and embodiments to further describe in detail the specific implementation manners of the present utility model. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.

[0019] In the description of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "top", "bottom", "inside", "outside", etc. are based on the orientation or positional relationships shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0020] In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality" means two or more, unless otherwise specifically defined.

[0021] Embodiment 1

[0022] Such as Figure 1As shown in the figure, a test system for a fuel cell waterway component according to Embodiment 1 of the present utility model includes: a water pump 1, a PCT heater 2, a radiator 3, a first test pipeline 4, a second test pipeline 5, and a first flowmeter 6; the water pump 1 has a liquid outlet end and a liquid inlet end, one end of the first test pipeline 4 is connected to the liquid outlet end, and the other end sequentially passes through the PCT heater 2 and the radiator 3 and is connected to the liquid inlet end. The first flowmeter 6 is arranged on the first test pipeline 4 between the liquid outlet end and the PCT heater 2. Both the water pump 1 and the PCT heater 2 are detachably connected to the first test pipeline 4; the second test pipeline 5 includes a first fixed section 51, a second fixed section 52, a second flowmeter 54, and a first control valve 55. One end of the first fixed section 51 is connected to the first test pipeline 4 between the liquid outlet end and the PCT heater 2, one end of the second fixed section 52 is connected to the first test pipeline 4 between the radiator 3 and the liquid inlet end. The other end of the first fixed section 51 and the other end of the second fixed section 52 are arranged correspondingly, and an access position 53 is provided between the other end of the first fixed section 51 and the other end of the second fixed section 52. The access position 53 is used to access the waterway component to be tested. The second flowmeter 54 and the first control valve 55 are arranged at intervals on the first fixed section 51.

[0023] Based on the above solution, the present application integrates the test systems for the PCT heater 2, the water pump 1, and the remaining waterway components by setting the first test pipeline 4 and the second test pipeline 5, as well as the PCT heater 2, the radiator 3, and the water pump 1 installed on the first test pipeline 4. Specifically, when testing the water pump 1, the water pump 1 to be tested is replaced with the water pump 1 originally arranged on the first test pipeline 4. The water pump 1 to be tested adjusts the liquid flow rate, and the PCT heater 2 and the radiator 3 control the liquid temperature, so as to be able to test the working conditions of the water pump 1 at different temperatures and different flow rates. When testing the PCT heater 2, the PCT heater 2 to be tested is replaced with the PCT heater 2 originally arranged on the first test pipeline 4. The water pump 1 controls the liquid flow rate, and the PCT heater 2 to be tested and the radiator 3 adjust the liquid temperature, so as to be able to test the working conditions of the PCT heater 2 at different temperatures and different flow rates. When testing the remaining waterway components, the waterway component to be tested is installed at the access position 53. The PCT heater 2 and the radiator 3 control the liquid temperature flowing through the waterway component to be tested, and the water pump 1 controls the liquid flow rate flowing through the waterway component to be tested, so as to be able to test the working conditions of the waterway component to be tested at different temperatures and different flow rates; during the use of the present application, the tests of the water pump 1, the PCT heater, and the remaining waterway components can be completed through one test system, which not only reduces the test cost, but also only needs to install the waterway components to be tested on the test system respectively to complete the test, further improving the test efficiency.

[0024] As Figure 1As shown, in order to further improve the test efficiency, optionally, a plurality of second test pipelines 5 are included. A plurality of first fixing sections 51 are spacedly arranged on the first test pipeline 4 between the liquid outlet end and the PCT heater 2, and a plurality of second fixing sections 52 are spacedly arranged on the first test pipeline 4 between the radiator 3 and the liquid inlet end. By providing a plurality of second test pipelines 5, a plurality of water circuit components can be tested simultaneously.

[0025] As Figure 1 shown, for ease of use, among the plurality of second test pipelines 5, the diameters of the plurality of first fixing sections 51 are different from each other. In the same second test pipeline 5, the diameter of the first fixing section 51 is the same as that of the second fixing section 52. By adopting first fixing sections 51 and second fixing sections 52 with different diameters, they are adapted to different water circuit components to be tested.

[0026] As Figure 1 shown, for ease of assembly, a first connection pipeline 7 and a second connection pipeline 8 are further included. The first connection pipeline 7 is connected to the first test pipeline 4 between the liquid outlet end and the PCT heater 2, and the second connection pipeline 8 is connected to the first test pipeline 4 between the radiator 3 and the liquid inlet end. A plurality of second test pipelines 5 are spacedly arranged between the first connection pipeline 7 and the second connection pipeline 8, and one end of the first fixing section 51 is connected to the first connection pipeline 7, and one end of the second fixing section 52 is connected to the second connection pipeline 8.

[0027] As Figure 1 shown, for ease of use, a liquid supply tank 9 is further included. The liquid supply tank 9 is connected to the first test pipeline 4, and the connection position between the liquid supply tank 9 and the first test pipeline 4 is located between the liquid inlet end and the radiator 3. Liquid is supplied to the first test pipeline 4 through the liquid supply tank 9.

[0028] As Figure 1 shown, for ease of use, a second control valve 10 is further included. The second control valve 10 is arranged on the first test pipeline 4 and is located between the liquid inlet end and the radiator 3. The on-off of the first test pipeline 4 is controlled by the second control valve 10.

[0029] As Figure 1As shown in the figure, for ease of use and to monitor the temperature of each waterway component to be tested in real time, a temperature test component 11 is further included. The temperature test component 11 includes a first temperature sensor 111, a second temperature sensor 112, a third temperature sensor 113, a fourth temperature sensor 114, a fifth temperature sensor 115, and a sixth temperature sensor 116. The connection position between the first fixed section 51 and the first test pipeline 4 is the first connection point, and the connection position between the second fixed section 52 and the first test pipeline 4 is the second connection point. The first temperature sensor 111 is disposed on the first test pipeline 4 between the liquid outlet end and the first connection point. The second temperature sensor 112 is disposed on the first test pipeline 4 between the liquid inlet end and the second connection point. The third temperature sensor 113 is disposed on the first test pipeline 4 between the first connection point and the PCT heater 2. The fourth temperature sensor 114 is disposed on the first test pipeline 4 between the PCT heater 2 and the radiator 3. The fifth temperature sensor 115 is disposed on the first fixed section 51, and the sixth temperature sensor 116 is disposed on the second fixed section 52.

[0030] As Figure 1 shown in the figure, for ease of use and to monitor the flow resistance of each waterway component to be tested in real time, a pressure test component 12 is further included. The pressure test component 12 includes a first pressure sensor 121, a second pressure sensor 122, a third pressure sensor 123, a fourth pressure sensor 124, a fifth pressure sensor 125, and a sixth pressure sensor 126. The connection position between the first fixed section 51 and the first test pipeline 4 is the first connection point, and the connection position between the second fixed section 52 and the first test pipeline 4 is the second connection point. The first pressure sensor 121 is disposed on the first test pipeline 4 between the liquid outlet end and the first connection point. The second pressure sensor 122 is disposed on the first test pipeline 4 between the liquid inlet end and the second connection point. The third pressure sensor 123 is disposed on the first test pipeline 4 between the first connection point and the PCT heater 2. The fourth pressure sensor 124 is disposed on the first test pipeline 4 between the PCT heater 2 and the radiator 3. The fifth pressure sensor 125 is disposed on the first fixed section 51, and the sixth pressure sensor 126 is disposed on the second fixed section 52.

[0031] In some embodiments, for ease of use, the radiator 3 is a fan radiator 3.

[0032] Embodiment 2

[0033] As Figure 2 shown in the figure, the difference between this Embodiment 2 and Embodiment 1 is that a test system for fuel cell waterway components in Embodiment 1 of the present utility model includes a plurality of second test pipelines 5, a plurality of first fixed sections 51 are spaced apart on the first test pipeline 4 between the liquid outlet end and the PCT heater 2, and a plurality of second fixed sections 52 are spaced apart on the first test pipeline 4 between the radiator 3 and the liquid inlet end.

[0034] Based on the above solution, by setting a plurality of second test pipelines 5, multiple water circuit components can be tested simultaneously.

[0035] As Figure 2 shown, for the convenience of use, among the plurality of second test pipelines 5, the diameters of the plurality of first fixed sections 51 are different from each other. In the same second test pipeline 5, the diameter of the first fixed section 51 is the same as that of the second fixed section 52. By adopting the first fixed sections 51 and second fixed sections 52 with different diameters, they are adapted to different water circuit components to be tested.

[0036] As Figure 2 shown, for the convenience of assembly, it further includes a first connecting pipeline 7 and a second connecting pipeline 8. The first connecting pipeline 7 is connected to the first test pipeline 4 between the liquid outlet end and the PCT heater 2, and the second connecting pipeline 8 is connected to the first test pipeline 4 between the radiator 3 and the liquid inlet end. The plurality of second test pipelines 5 are arranged at intervals between the first connecting pipeline 7 and the second connecting pipeline 8, and one end of the first fixed section 51 is connected to the first connecting pipeline 7, and one end of the second fixed section 52 is connected to the second connecting pipeline 8.

[0037] The working process of the present utility model is as follows:

[0038] 1. When testing the water pump 1, replace the water pump 1 originally arranged on the first test pipeline 4 with the water pump 1 to be tested, close the first control valve 55, open the second control valve 10. The liquid flow rate is adjusted by the water pump 1 to be tested, and the liquid temperature is controlled by the PCT heater 2 and the radiator 3. The working temperature of the water pump 1 is confirmed by the first temperature sensor 111 and the second temperature sensor 112, the liquid flow resistance flowing through the water pump 1 is confirmed by the first pressure sensor 121 and the second pressure sensor 122, and the liquid flow rate flowing through the water pump 1 is confirmed by the first flow meter 6, so as to test the working conditions of the water pump 1 at different temperatures and different flow rates;

[0039] 2. When testing the PCT heater 2, replace the PCT heater 2 originally arranged on the first test pipeline 4 with the PCT heater 2 to be tested, close the first control valve 55, open the second control valve 10. The liquid flow rate is controlled by the water pump 1, and the temperature of the liquid is adjusted by the PCT heater 2 to be tested and the radiator 3. The working temperature of the PCT heater 2 is confirmed by the third temperature sensor 113 and the fourth temperature sensor 114, the liquid flow resistance flowing through the PCT heater 2 is confirmed by the third pressure sensor 123 and the fourth pressure sensor 124, and the liquid flow rate flowing through the PCT heater 2 is confirmed by the first flow meter 6, so as to be able to test the working conditions of the PCT heater 2 at different temperatures and different flow rates;

[0040] 3. When testing the remaining waterway components, the waterway component to be tested is installed at the access position 53. The first control valve 55 is opened, and the second control valve 10 is opened. The PCT heater 2 and the radiator 3 control the liquid temperature flowing through the waterway component to be tested, and the water pump 1 controls the liquid flow rate flowing through the waterway component. The working temperature of the waterway component to be tested is confirmed by the fifth temperature sensor 115 and the sixth temperature sensor 116. The liquid flow resistance flowing through the waterway component to be tested is confirmed by the fifth pressure sensor 125 and the sixth pressure sensor 126. The liquid flow rate flowing through the waterway component to be tested is confirmed by the second flowmeter 54, so that the working conditions of the waterway component to be tested at different temperatures and different flow rates can be tested.

[0041] In summary, the embodiment of the present invention provides a test system for fuel cell waterway components. By setting the first test pipeline 4 and the second test pipeline 5, as well as the PCT heater 2, the radiator 3 and the water pump 1 installed on the first test pipeline 4, the test systems for the PCT heater 2, the water pump 1 and the remaining waterway components are integrated. Specifically, when testing the water pump 1, the water pump 1 to be tested replaces the water pump 1 originally set on the first test pipeline 4. The liquid flow rate is adjusted by the water pump 1 to be tested, and the liquid temperature is controlled by the PCT heater 2 and the radiator 3, so that the working conditions of the water pump 1 at different temperatures and different flow rates can be tested. When testing the PCT heater 2, the PCT heater 2 to be tested replaces the PCT heater 2 originally set on the first test pipeline 4. The liquid flow rate is controlled by the water pump 1, and the liquid temperature is adjusted by the PCT heater 2 to be tested and the radiator 3, so that the working conditions of the PCT heater 2 at different temperatures and different flow rates can be tested. When testing the remaining waterway components, the waterway component to be tested is installed at the access position 53. The liquid temperature flowing through the waterway component to be tested is controlled by the PCT heater 2 and the radiator 3, and the liquid flow rate flowing through the waterway component to be tested is controlled by the water pump 1, so that the working conditions of the PCT heater 2 at different temperatures and different flow rates can be tested. During the use of this application, the tests of the water pump 1, the PCT heater 2 and the remaining waterway components can be completed through one test system, which not only reduces the test cost, but also only needs to install the waterway components to be tested on the test system respectively to complete the test, further improving the test efficiency.

[0042] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present invention, several improvements and replacements can be made, and these improvements and replacements should also be regarded as the protection scope of the present invention.

Claims

1. A test system for a fuel cell waterway component, characterized in that Including: A water pump, a PCT heater, a radiator, a first test pipeline, a second test pipeline, and a first flowmeter; The water pump has a liquid outlet end and a liquid inlet end. One end of the first test pipeline is connected to the liquid outlet end, and the other end sequentially passes through the PCT heater and the radiator and is connected to the liquid inlet end. The first flowmeter is arranged on the first test pipeline between the liquid outlet end and the PCT heater. Both the water pump and the PCT heater are detachably connected to the first test pipeline; The second test pipeline includes a first fixed section, a second fixed section, a second flowmeter, and a first control valve. One end of the first fixed section is connected to the first test pipeline between the liquid outlet end and the PCT heater. One end of the second fixed section is connected to the first test pipeline between the radiator and the liquid inlet end. The other end of the first fixed section and the other end of the second fixed section are arranged correspondingly, and the position between the other end of the first fixed section and the other end of the second fixed section is an access position for accessing the water circuit component to be tested. The second flowmeter and the first control valve are arranged at intervals on the first fixed section.

2. The test system for a fuel cell water path component according to claim 1, characterized in that, It includes a plurality of the second test pipelines. A plurality of the first fixed sections are arranged at intervals on the first test pipeline between the liquid outlet end and the PCT heater. A plurality of the second fixed sections are arranged at intervals on the first test pipeline between the radiator and the liquid inlet end.

3. The test system for a fuel cell water path component according to claim 2, wherein, Among the plurality of the second test pipelines, the diameters of the plurality of the first fixed sections are different from each other. In the same second test pipeline, the diameter of the first fixed section is the same as that of the second fixed section.

4. The test system for a fuel cell water path component according to claim 2, characterized in that, It further includes a first connection pipeline and a second connection pipeline. The first connection pipeline is connected to the first test pipeline between the liquid outlet end and the PCT heater. The second connection pipeline is connected to the first test pipeline between the radiator and the liquid inlet end. A plurality of the second test pipelines are arranged at intervals between the first connection pipeline and the second connection pipeline, and one end of the first fixed section is connected to the first connection pipeline, and one end of the second fixed section is connected to the second connection pipeline.

5. The test system for a fuel cell water path component according to claim 1, wherein It further includes a liquid supply tank, and the liquid supply tank is connected to the first test pipeline, and the connection position between the liquid supply tank and the first test pipeline is located between the liquid inlet end and the radiator.

6. The test system for fuel cell waterway components according to claim 1, characterized in that, It further includes a second control valve, and the second control valve is arranged on the first test pipeline and is located between the liquid inlet end and the radiator.

7. The test system for a fuel cell water path component according to claim 1, characterized in that, It further includes a temperature test component. The temperature test component includes a first temperature sensor, a second temperature sensor, a third temperature sensor, a fourth temperature sensor, a fifth temperature sensor, and a sixth temperature sensor; the connection position between the first fixed section and the first test pipeline is a first connection point, and the connection position between the second fixed section and the first test pipeline is a second connection point; The first temperature sensor is arranged on the first test pipeline between the liquid outlet end and the first connection point; The second temperature sensor is disposed on the first test pipeline between the liquid inlet end and the second connection point; The third temperature sensor is disposed on the first test pipeline between the first connection point and the PCT heater; The fourth temperature sensor is disposed on the first test pipeline between the PCT heater and the radiator; The fifth temperature sensor is disposed on the first fixed section, and the sixth temperature sensor is disposed on the second fixed section.

8. The test system for a fuel cell water path component according to claim 1, characterized in that, It further includes a pressure test assembly, which includes a first pressure sensor, a second pressure sensor, a third pressure sensor, a fourth pressure sensor, a fifth pressure sensor, and a sixth pressure sensor; the connection position between the first fixed section and the first test pipeline is the first connection point, and the connection position between the second fixed section and the first test pipeline is the second connection point; The first pressure sensor is disposed on the first test pipeline between the liquid outlet end and the first connection point; The second pressure sensor is disposed on the first test pipeline between the liquid inlet end and the second connection point; The third pressure sensor is disposed on the first test pipeline between the first connection point and the PCT heater; The fourth pressure sensor is disposed on the first test pipeline between the PCT heater and the radiator; The fifth pressure sensor is disposed on the first fixed section, and the sixth pressure sensor is disposed on the second fixed section.

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