Movable automobile thermal management integrated module function detection device

Abstract

The utility model discloses a movable function detection device for an automobile thermal management integrated module, relates to the field of thermal management integrated module detection, and aims to solve the problem that the function of the thermal management integrated module cannot be detected in the prior art. A main circulation pipeline comprising a compressor, a condenser, an electronic expansion valve and an evaporator is built, and a condensation testing pipeline, an evaporation testing pipeline, a low-pressure working condition flow resistance performance testing pipeline and a high-pressure working condition flow resistance performance testing pipeline are connected to the main circulation pipeline through three-way valves. According to the utility model, the function of the test piece can be verified, and the outflow risk of defective pieces is obviously reduced; and each detection station is provided with a standardized self-locking interface, so that the butt joint of the detection device and the to-be-detected piece can be quickly completed, and the detection period is greatly shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal management integrated module detection, in particular to a movable function detection device for an automotive thermal management integrated module. Background Technique

[0002] In the prior art, the offline detection process of automotive thermal management integrated modules only covers appearance inspection, dimensional tolerance measurement, sealing test, and basic function verification of electrical components, but lacks systematic detection of the refrigeration / heating function of the module body. This defect leads to the following risks: First, the assembled integrated module may not meet the actual working condition requirements due to problems such as design defects in the internal flow channel, abnormal component matching, or refrigerant circulation failure; Second, after the modules without function verification flow into the vehicle assembly link, it may cause economic losses such as rework and after-sales claims, and at the same time affect the brand reputation of the vehicle enterprise.

[0003] Based on this, it is urgent to develop a detection device with strong adaptability, high detection efficiency, and reusable characteristics to fill the technical gap in the industry. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a movable function detection device for an automotive thermal management integrated module, which can effectively solve the problems in the background technique.

[0005] To achieve the above purpose, the utility model discloses a movable function detection device for an automotive thermal management integrated module. The technical solution adopted is that it includes a frame, and there is a detection structure on the frame. The detection structure includes a compressor. The outlet of the compressor is connected to the port of a first three-way valve. The other two ports of the first three-way valve are respectively connected to a high-pressure working condition flow resistance performance test pipeline and a main circulation pipeline. A condenser is connected to the main circulation pipeline. Condensation test pipelines are connected to both ends of the condenser; behind the condenser is connected to an electronic expansion valve and then to an evaporator. Evaporation test pipelines are connected to both ends of the evaporation unit composed of the electronic expansion valve and the evaporator; a low-pressure working condition flow resistance performance test pipeline is also connected to the main circulation pipeline. The rear end of the low-pressure working condition flow resistance performance test pipeline is connected to the inlet of the compressor, and the main circulation pipeline is closed-loop; there are a flow detection device and a temperature and pressure detection device on the main circulation pipeline. The high-pressure working condition flow resistance performance test pipeline and the low-pressure working condition flow resistance performance test pipeline can be used to detect whether the flow channel of the test piece is unobstructed; the condensation test pipeline can detect whether the condensation function of the thermal management integrated module is normal, and the evaporation test pipeline can be used to detect whether the evaporation function of the thermal management integrated module is normal.

[0006] As a preferred technical solution of the present utility model, the high-pressure working condition flow resistance performance test pipeline includes a high-pressure working condition liquid inlet pipe and a high-pressure working condition liquid return pipe. There is a fifth stop valve on the high-pressure working condition liquid inlet pipe. One end of the high-pressure working condition liquid inlet pipe is connected to the first three-way valve, and the other end has a fifth interface; there is a sixth stop valve on the high-pressure working condition liquid return pipe, and one end of the high-pressure working condition liquid return pipe is connected to the main circulation pipeline, and the other end has a sixth interface. The thermal management integration module can be connected to the fifth interface and the sixth interface, and the first three-way valve can be operated to connect the thermal management integration module to the circulation pipeline, so as to detect the on-off of the internal flow channel under high-pressure working conditions.

[0007] As a preferred technical solution of the present utility model, a fourth three-way valve is connected to the front end of the condenser, and both ports of the fourth three-way valve are on the main circulation pipeline; the condensation test pipeline includes a condensation liquid inlet pipe and a condensation liquid return pipe. There is a seventh stop valve on the condensation liquid inlet pipe. One end of the condensation liquid inlet pipe is connected to the fourth three-way valve, and the other end has a seventh interface; there is an eighth stop valve on the condensation liquid return pipe. One end of the condensation liquid return pipe is connected to the main circulation pipeline at the rear end of the condenser, and the other end has an eighth interface. The thermal management integration module can be connected to the seventh interface and the eighth interface, and the fourth three-way valve can be adjusted, so that the thermal management integration module replaces the condenser and is connected to the circulation pipeline to detect the condensation effect.

[0008] As a preferred technical solution of the present utility model, a second three-way valve is connected to the front end of the evaporator, and both ports of the second three-way valve are on the main circulation pipeline; the evaporation test pipeline includes an evaporation liquid inlet pipe and an evaporation liquid return pipe. There is a first stop valve on the evaporation liquid inlet pipe. One end of the evaporation liquid inlet pipe is connected to the second three-way valve, and the other end has a first interface; there is a second stop valve on the evaporation liquid return pipe. One end of the evaporation liquid return pipe is connected to the main circulation pipeline at the rear end of the evaporator, and the other end has a second interface. The thermal management integration module can be connected to the first interface and the second interface, and the second three-way valve can be operated, so that the thermal management integration module replaces the evaporator and is connected to the circulation pipeline to detect the evaporation effect.

[0009] As a preferred technical solution of the present utility model, there is also a third three-way valve on the main circulation pipeline, and both ports of the third three-way valve are on the main circulation pipeline; the low-pressure working condition flow resistance performance test pipeline includes a low-pressure working condition liquid inlet pipe and a low-pressure working condition liquid return pipe. There is a third stop valve on the low-pressure working condition liquid inlet pipe. One end of the low-pressure working condition liquid inlet pipe is connected to the third three-way valve, and the other end has a third interface; there is a fourth stop valve on the low-pressure working condition liquid return pipe, and one end of the low-pressure working condition liquid return pipe is connected to the main circulation pipeline, and the other end has a fourth interface. Connect the thermal management integration module to the third interface and the fourth interface, operate the third three-way valve, connect the thermal management integration module to the main circulation system, and perform the on-off detection of the internal flow channel under the low-pressure working condition.

[0010] As a preferred technical solution of the present utility model, it further includes a control device. The control device is electrically connected to a display. The flow rate detection device is a flow meter, and the temperature and pressure detection device is a temperature and pressure sensor. The flow meter and the temperature and pressure sensor are both electrically connected to the control device. The flow rate can be detected through the flow meter, so as to realize the on-off detection. The temperature and pressure changes can be detected through the temperature and pressure sensor, so as to perform the functional detection of evaporation and condensation.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: By setting the functional detections of condensation, evaporation, on-off under low-pressure working conditions, and on-off under high-pressure working conditions, the functions of the test piece can be verified, and the risk of defective parts flowing out can be significantly reduced.

[0012] Furthermore, the present utility model is small in volume and adopts a frame structure that is convenient for movement, and can quickly transfer the working position according to needs, greatly reducing the space occupation compared with the fixed bench. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is the structural schematic diagram of the present utility model Figure 1 ;

[0014] Figure 2 is the structural schematic diagram of the present utility model Figure 2 ;

[0015] Figure 3 is the connection frame diagram of the present utility model;

[0016] Figure 4 is the circuit connection block diagram of the present utility model.

[0017] In the figure: 1. Compressor; 2. First three-way valve; 3. Condenser; 4. Flowmeter; 5. Second three-way valve; 6. Electronic expansion valve; 7. Evaporator; 8. Third three-way valve; 9. First stop valve; 10. First interface; 11. Second stop valve; 12. Second interface; 13. Third stop valve; 14. Third interface; 15. Fourth stop valve; 16. Fourth interface; 17. First temperature and pressure sensor; 18. Second temperature and pressure sensor; 19. Third temperature and pressure sensor; 20. Fifth stop valve; 21. Fifth interface; 22. Sixth stop valve; 23. Sixth interface; 24. Seventh stop valve; 25. Seventh interface; 26. Eighth stop valve; 27. Eighth interface; 28. Fourth temperature and pressure sensor; 29. Fourth three-way valve; 30. Fifth temperature and pressure sensor; 31. Ninth stop valve; 32. Tenth stop valve; 33. Eleventh stop valve; 34. Twelfth stop valve; 35. Thirteenth stop valve; 36. Fourteenth stop valve; 37. Fifteenth stop valve; 38. Sixteenth stop valve; 39. Refrigerant storage tank; 40. Seventeenth stop valve; 41. Second hose; 42. Vacuum pump; 100. Frame. Detailed implementation mode

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention. Embodiment 1

[0019] As Figures 1 to 3As shown in the figure, the utility model discloses a movable function detection device for an automotive thermal management integrated module. The technical solution adopted is as follows: It includes a frame 100, which is built by aluminum profiles. The floor is equipped with a bottom plate, and the frame 100 is equipped with a main circulation pipeline. The main circulation pipeline includes a compressor 1, and the compressor 1 is installed on the bottom plate. The outlet of the compressor 1 is connected to one port of a first three-way valve 2 through a pipeline. The other two ports of the first three-way valve 2 are respectively connected to the main circulation pipeline and the high-pressure working condition liquid inlet pipe of the high-pressure working condition flow resistance performance test pipeline. A fifth stop valve 20 is installed on the high-pressure working condition liquid inlet pipe, and there is a fifth interface 21 at the end of the high-pressure working condition liquid inlet pipe far from the fifth stop valve 20; a high-pressure working condition liquid return pipe is connected to the main circulation pipeline behind the first three-way valve 2. There is a sixth stop valve 22 on the high-pressure working condition liquid return pipe, and there is a sixth interface 23 at the end of the high-pressure working condition liquid return pipe far from the main circulation pipeline; a circulating refrigerant flows through the main circulation pipeline. In order to ensure that there is sufficient refrigerant in the system after connecting the test piece, a refrigerant storage tank 39 is also provided on the bottom plate. The liquid supply port of the refrigerant storage tank 39 is connected to the inlet of the compressor 1 through a liquid supply pipe, and a seventeenth stop valve 40 is installed on the liquid supply pipe. In order to ensure the delivery of the refrigerant, the liquid supply port of the refrigerant storage tank 39 is also connected to a dip tube, and the dip tube is in the refrigerant storage tank 39, and the port is located at the inner bottom of the refrigerant storage tank 39. In order to purge the refrigerant entering the test piece after the detection is completed, a high-pressure purge inlet pipe is connected between the fifth stop valve 20 and the fifth interface 21 of the high-pressure working condition liquid inlet pipe, and a ninth stop valve 31 is installed on the high-pressure purge inlet pipe. A high-pressure purge outlet pipe is connected between the sixth stop valve 22 and the sixth interface 23 of the high-pressure working condition liquid return pipe, and a tenth stop valve 32 is installed on the high-pressure purge outlet pipe. A vacuum pump 42 is also installed on the bottom plate. A first hose is installed on the port of the vacuum pump 42, and the first hose is detachably connected to the high-pressure purge inlet pipe; the high-pressure purge outlet pipe is detachably connected to a second hose 41, and the second hose 41 is connected to the return port of the refrigerant storage tank 39. In order to balance the air pressure in the refrigerant storage tank 39, there is a vent pipe with an air filter on the refrigerant storage tank 39. There is an observation window on the refrigerant storage tank 39, and there is a filling port with a closed cover, and there is a discharge pipe with a manual stop valve at the bottom. There is a sixth temperature and pressure sensor on the refrigerant storage tank 39.

[0020] On the main circulation pipeline, there is a condenser 3 at the rear end of the flow resistance performance test pipeline under high-pressure conditions. Both ends of the condenser 3 are connected to the condensation test pipeline. The condensation test pipeline includes a condensation inlet pipe and a condensation return pipe. To facilitate the flow direction switching, a fourth three-way valve 29 is installed on the main circulation pipeline at the front end of the condenser 3. The main pipe ports of the fourth three-way valve 29 are all set on the main circulation pipeline, and the branch pipe ports are connected to the condensation inlet pipe. There is a seventh stop valve 24 on the condensation inlet pipe, and there is a seventh interface 25 at the end of the condensation inlet pipe away from the fourth three-way valve 29; the condensation return pipe is connected to the main circulation pipeline at the rear end of the condenser 3. There is an eighth stop valve 26 on the condensation return pipe, and there is an eighth interface 27 at the end of the condensation return pipe away from the main circulation pipeline. A condensation purge inlet pipe is connected between the seventh stop valve 24 and the seventh interface 25 of the condensation inlet pipe. There is an eleventh stop valve 33 on the condensation purge inlet pipe. A condensation purge outlet pipe is connected between the eighth stop valve 26 and the eighth interface 27 of the condensation return pipe. There is a twelfth stop valve 34 on the condensation purge outlet pipe.

[0021] On the main circulation pipeline, an electronic expansion valve 6 and an evaporator 7 are connected to the rear end of the condenser 3. The electronic expansion valve 6 and the evaporator 7 form an evaporation unit, and both ends of them are connected to the evaporation test pipeline. The evaporation test pipeline includes an evaporation inlet pipe and an evaporation return pipe. A second three-way valve 5 is installed on the main circulation pipeline at the front end of the electronic expansion valve 6. The main pipe ports of the second three-way valve 5 are all installed on the main circulation pipeline, and the branch pipe ports are installed with the evaporation inlet pipe. There is a first stop valve 9 on the evaporation inlet pipe, and there is a first interface 10 at the end of the evaporation inlet pipe away from the second three-way valve 5; the evaporation return pipe is connected to the main circulation pipeline at the rear end of the evaporator 7. There is a second stop valve 11 on the evaporation return pipe, and there is a second interface 12 at the end of the evaporation return pipe away from the main circulation pipeline. An evaporation purge inlet pipe is connected between the first stop valve 9 and the first interface 10 of the evaporation inlet pipe. There is a thirteenth stop valve 35 on the evaporation purge inlet pipe. There is an evaporation purge outlet pipe between the second stop valve 11 and the second interface 12 of the evaporation return pipe, and a fourteenth stop valve 36 is installed on the evaporation purge outlet pipe.

[0022] On the main circulation pipeline, a low-pressure condition flow resistance performance test pipeline is also connected to the rear end of the evaporation test pipeline. The low-pressure condition flow resistance performance test pipeline includes a low-pressure condition liquid inlet pipe and a low-pressure condition liquid return pipe. To control the fluid flow direction, a third three-way valve 8 is installed on the main circulation pipeline. The main pipe orifice of the third three-way valve 8 is installed on the main circulation pipeline, and the branch pipe orifice is connected to the low-pressure condition liquid inlet pipe. A third stop valve 13 is installed on the low-pressure condition liquid inlet pipe, and a third interface 14 is provided at one end of the low-pressure condition liquid inlet pipe away from the main circulation pipeline; a fourth stop valve 15 is installed on the low-pressure condition liquid return pipe, and a fourth interface 16 is provided at one end of the low-pressure condition liquid return pipe away from the main circulation pipeline. A low-pressure purge inlet air pipe is connected between the third stop valve 13 and the third interface 14 of the low-pressure condition liquid inlet pipe, and a fifteenth stop valve 37 is installed on the low-pressure purge inlet air pipe. A low-pressure purge outlet air pipe is connected between the fourth stop valve 15 and the fourth interface 16 of the low-pressure condition liquid return pipe, and a sixteenth stop valve 38 is installed on the low-pressure purge outlet air pipe.

[0023] As Figure 4 shown, to detect the flow rate of the circulating refrigerant in the main circulation pipeline, a flow meter 4 is provided between the condensation test pipeline and the evaporation test pipeline of the main circulation pipeline. To facilitate viewing the temperature and pressure changes during the detection process, fifth temperature and pressure sensors 30, first temperature and pressure sensors 17, second temperature and pressure sensors 18, and third temperature and pressure sensors 19 are respectively installed on the main circulation pipeline at both ends of the evaporation test pipeline and the compressor 1. A fourth temperature and pressure sensor 28 is also installed on the main circulation pipeline between the condensation test pipeline and the high-pressure condition flow resistance performance test pipeline. A control device is also provided. There is a microprocessor in the control device, and a touch screen and a power supply are provided on the control device. The microprocessor is electrically connected to the touch screen, the compressor 1, the flow meter 4, the first temperature and pressure sensor 17, the second temperature and pressure sensor 18, the third temperature and pressure sensor 19, the fourth temperature and pressure sensor 28, the fifth temperature and pressure sensor 30, the sixth temperature and pressure sensor, the first three-way valve 2, the second three-way valve 5, the third three-way valve 8, the fourth three-way valve 29, the first stop valve 9, the second stop valve 11, the third stop valve 13, the fourth stop valve 15, the fifth stop valve 20, the sixth stop valve 22, the seventh stop valve 24, the eighth stop valve 26, the ninth stop valve 31, the tenth stop valve 32, the eleventh stop valve 33, the twelfth stop valve 34, the thirteenth stop valve 35, the fourteenth stop valve 36, the fifteenth stop valve 37, the sixteenth stop valve 38, the seventeenth stop valve 40, the power supply, the electronic expansion valve 6, and the vacuum pump.

[0024] The test items of this embodiment include condensation performance test, evaporation performance test, high-pressure flow resistance performance test and low-pressure flow resistance performance test. During the high-pressure flow resistance performance test and the low-pressure flow resistance performance test, the electronic expansion valve 6 on the main circulation pipeline needs to be fully opened. During the condensation performance test and the evaporation performance test, the electronic expansion valve 6 needs to dynamically adjust the opening according to temperature and pressure changes. Therefore, the flow resistance performance test cannot be performed at the same time as the condensation performance test and the evaporation performance test.

[0025] In order to improve the detection efficiency, the first interface 10, the second interface 12, the third interface 14, the fourth interface 16, the fifth interface 21, the sixth interface 23, the seventh interface 25, and the eighth interface 27 all adopt push-pull quick-plug interfaces, so as to realize the rapid loading and unloading of the test piece. The high-pressure purge air inlet pipe, the high-pressure purge air outlet pipe, the condensation purge air inlet pipe, the condensation purge air outlet pipe, the evaporation purge air inlet pipe, the evaporation purge air outlet pipe, the low-pressure purge air inlet pipe, the low-pressure purge air outlet pipe, the first hose, and the second hose 41 all adopt chuck pipe mouths. When they are docked, after the sealing ring is installed on the docking surface, a clamp is used for quick connection. By setting a standardized self-locking interface and a chuck, the docking of the detection device and the test piece can be completed quickly, greatly shortening the detection cycle.

[0026] During the experiment, the refrigerant will enter the test piece, causing the refrigerant flow rate in the circulation pipeline to decrease. A filling port is provided on the compressor 1, and the refrigerant can be replenished through the filling port.

[0027] The working principle of this utility model:

[0028] Connect the power supply, the microprocessor starts the compressor 1, adjusts the first three-way valve 2, the fourth three-way valve 29, the second three-way valve 5 and the third three-way valve 8, completely connects the main circulation pipeline, and allows the refrigerant to flow. After the gaseous refrigerant is compressed into liquid by the compressor 1, it enters the condenser 3 for condensation, and then enters the evaporator 7 for evaporation after throttling, pressure reduction and temperature reduction by the electronic expansion valve 6. The evaporated gaseous refrigerant enters the compressor 1 circulation. After the detection values of the flow meter 4 and all temperature and pressure sensors are stable, the initial data is recorded and the test state is entered.

[0029] When it is necessary to conduct a flow resistance performance test of the thermal management integration module under high-pressure conditions, connect the inlet of the thermal management integration module to be tested (specimen) to the fifth interface 21 and the outlet to the sixth interface 23. Start the high-pressure condition flow resistance performance test program. The microprocessor adjusts the first three-way valve 2 to connect the high-pressure condition flow resistance performance test pipeline to the main circulation pipeline, and open the fifth stop valve 20 and the sixth stop valve 22. The refrigerant in the main circulation pipeline enters the thermal management integration module through the high-pressure condition liquid inlet pipe and returns to the main circulation pipeline through the high-pressure condition liquid return pipe. As the refrigerant in the main circulation pipeline enters the specimen, the pressure of the refrigerant in the main circulation pipeline drops. To maintain the cooling effect, the microprocessor controls the seventeenth stop valve 40 to open, and the compressor 1 sucks the refrigerant in the refrigerant storage tank 39 to supplement the total amount of refrigerant in the main circulation pipeline. After the refrigerant pressure in the main circulation pipeline detected by the third temperature and pressure sensor 19 reaches the initial value and stabilizes for 5 seconds, close the seventeenth stop valve 40. After the detection value of the flowmeter 4 reaches stability, record the detection value of the flowmeter 4 after detection and compare it with the initial value to determine whether the change amount exceeds the threshold. If it does not exceed, the specimen is qualified; if it exceeds, it is unqualified. After the detection is completed, perform post-use treatment. Connect the vacuum pump 42 to the high-pressure purge inlet pipe using a clamp, gasket, and first hose, and connect the second hose 41 to the high-pressure purge outlet pipe. The staff starts the purge program. The microprocessor closes the fifth stop valve 20 and the sixth stop valve 22, and opens the ninth stop valve 31 and the tenth stop valve 32. Start the vacuum pump to conduct a purge, and purge the refrigerant in the specimen into the refrigerant storage tank 39. After the purge is completed, remove the specimen from the detection device.

[0030] When it is necessary to conduct a condensation performance test of the specimen, ensure that the detection device is in the default main circulation pipeline circulation state. Connect the specimen to the seventh interface 25 and the eighth interface 27. Start the condensation performance test program. The microprocessor adjusts the fourth three-way valve 29 to connect the condensation test pipeline to the main circulation pipeline, and at the same time separates the condenser 3 from the main circulation pipeline. Open the seventh stop valve 24 and the eighth stop valve 26. The high-temperature liquid refrigerant enters the specimen for condensation through the condensation liquid inlet pipe, and after condensation, it returns to the main circulation pipeline through the condensation liquid return pipe. After the detection values of the fourth temperature and pressure sensor 28 and the fifth temperature and pressure sensor 30 are stable, compare their detection results with the initial values, especially the comparison between the current value of the fifth temperature and pressure sensor 30 and the initial value, to determine whether the change amount exceeds the threshold. If it does not exceed, the specimen is qualified; if it exceeds, it is unqualified. After the detection is completed, connect the purge pipeline and start the purge program to blow the refrigerant in the specimen into the refrigerant storage tank 39. The process can refer to the post-use treatment of the flow resistance performance test under high-pressure conditions. After the purge, remove the specimen from the detection device.

[0031] When the evaporation performance test of the test piece is required, ensure that the detection device is in the default main circulation pipeline circulation state. Connect the test piece to the first interface 10 and the second interface 12, start the evaporation performance test program, and the microprocessor adjusts the second three-way valve 5 to connect the evaporation test pipeline to the main circulation pipeline. At the same time, separate the evaporator 7 from the main circulation pipeline, open the first stop valve 9 and the second stop valve 11. The condensed liquid refrigerant enters the test piece through the evaporation inlet pipe for throttling and evaporation, and then returns to the main circulation pipeline through the evaporation return pipe. After the detection values of the first temperature and pressure sensor 17 and the fifth temperature and pressure sensor 30 are stable, compare their detection results with the initial values, especially the comparison between the current value of the first temperature and pressure sensor 17 and the initial value, and judge whether the change amount exceeds the threshold. If it does not exceed, the test piece is qualified; if it exceeds, it is unqualified. After the detection is completed, connect the purge pipeline, start the purge program, and blow the refrigerant in the test piece into the refrigerant storage tank 39. The process can refer to the post-treatment after the flow resistance performance test under high-pressure conditions. After purging, remove the test piece from the detection device.

[0032] When the flow resistance performance test of the thermal management integration module under low-pressure conditions is required, connect the inlet of the test piece to the third interface 14 and the outlet to the fourth interface 16, start the high-pressure condition flow resistance performance test program, and the microprocessor adjusts the third three-way valve 8 to connect the low-pressure condition flow resistance performance test pipeline to the main circulation pipeline, and open the third stop valve 13 and the fourth stop valve 15. The low-temperature refrigerant in the main circulation pipeline enters the test piece through the low-pressure condition inlet pipe and returns to the main circulation pipeline through the low-pressure condition return pipe. After the detection value of the flow meter 4 is stable, record the detection value of the flow meter 4 after detection and compare it with the initial value, and judge whether the change amount exceeds the threshold. If it does not exceed, the test piece is qualified; if it exceeds, it is unqualified. After the detection is completed, connect the purge pipeline, start the purge program, and blow the refrigerant in the test piece into the refrigerant storage tank 39. The process can refer to the post-treatment after the flow resistance performance test under high-pressure conditions. After purging, remove the test piece from the detection device.

[0033] The circuit and mechanical connections involved in the present utility model are common means adopted by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, which belongs to common general knowledge.

[0034] The components not described in detail in this article are prior art.

[0035] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A movable function detection device for an automotive thermal management integrated module, comprising a frame (100), wherein a detection structure is provided on the frame (100), and it is characterized in that: The detection structure includes a compressor (1). The outlet of the compressor (1) is connected to a port of a first three-way valve (2). The other two ports of the first three-way valve (2) are respectively connected to a high-pressure working condition flow resistance performance test pipeline and a main circulation pipeline. A condenser (3) is connected to the main circulation pipeline. Condensation test pipelines are connected to both ends of the condenser (3). The rear end of the condenser (3) is connected to an electronic expansion valve (6) and then to an evaporator (7). Evaporation test pipelines are connected to both ends of the evaporation unit composed of the electronic expansion valve (6) and the evaporator (7). A low-pressure working condition flow resistance performance test pipeline is also connected to the main circulation pipeline. The rear end of the low-pressure working condition flow resistance performance test pipeline is connected to the inlet of the compressor (1), and the main circulation pipeline is closed-loop. There are a flow detection device and a temperature and pressure detection device on the main circulation pipeline.

2. The function detection device for the movable vehicle thermal management integrated module according to claim 1, characterized in that: The high-pressure working condition flow resistance performance test pipeline includes a high-pressure working condition liquid inlet pipe and a high-pressure working condition liquid return pipe. A fifth stop valve (20) is provided on the high-pressure working condition liquid inlet pipe. One end of the high-pressure working condition liquid inlet pipe is connected to the first three-way valve (2), and the other end has a fifth interface (21). A sixth stop valve (22) is provided on the high-pressure working condition liquid return pipe. One end of the high-pressure working condition liquid return pipe is connected to the main circulation pipeline, and the other end has a sixth interface (23).

3. The functional detection device for the movable vehicle thermal management integrated module according to claim 1, characterized in that: A fourth three-way valve (29) is connected to the front end of the condenser (3). Both ports of the fourth three-way valve (29) are on the main circulation pipeline. The condensation test pipeline includes a condensation liquid inlet pipe and a condensation liquid return pipe. A seventh stop valve (24) is provided on the condensation liquid inlet pipe. One end of the condensation liquid inlet pipe is connected to the fourth three-way valve (29), and the other end has a seventh interface (25). An eighth stop valve (26) is provided on the condensation liquid return pipe. One end of the condensation liquid return pipe is connected to the main circulation pipeline at the rear end of the condenser (3), and the other end has an eighth interface (27).

4. The function detection device for the movable vehicle thermal management integrated module according to claim 1, wherein: A second three-way valve (5) is connected to the front end of the evaporator (7). Both ports of the second three-way valve (5) are on the main circulation pipeline. The evaporation test pipeline includes an evaporation liquid inlet pipe and an evaporation liquid return pipe. A first stop valve (9) is provided on the evaporation liquid inlet pipe. One end of the evaporation liquid inlet pipe is connected to the second three-way valve (5), and the other end has a first interface (10). A second stop valve (11) is provided on the evaporation liquid return pipe. One end of the evaporation liquid return pipe is connected to the main circulation pipeline at the rear end of the evaporator (7), and the other end has a second interface (12).

5. The function detection device for the movable vehicle thermal management integrated module according to claim 1, wherein: There is also a third three-way valve (8) on the main circulation pipeline. Both ports of the third three-way valve (8) are on the main circulation pipeline. The low-pressure working condition flow resistance performance test pipeline includes a low-pressure working condition liquid inlet pipe and a low-pressure working condition liquid return pipe. A third stop valve (13) is provided on the low-pressure working condition liquid inlet pipe. One end of the low-pressure working condition liquid inlet pipe is connected to the third three-way valve (8), and the other end has a third interface (14). A fourth stop valve (15) is provided on the low-pressure working condition liquid return pipe. One end of the low-pressure working condition liquid return pipe is connected to the main circulation pipeline, and the other end has a fourth interface (16).

6. The functional detection device for the movable vehicle thermal management integrated module according to claim 1, wherein: It further includes a control device, the control device is electrically connected to a display, the flow rate detection device is a flowmeter (4), the temperature and pressure detection device is a temperature and pressure sensor, and the flowmeter (4) and the temperature and pressure sensor are both electrically connected to the control device.

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