Thermal management integration module, system and control method

Abstract

The invention relates to a thermal management integration module, system and control method, and belongs to the technical field of automobiles, the thermal management integration module comprises a runner plate, a first runner, a second runner and a third runner are integrally arranged on the runner plate, and the second runner and the third runner are both communicated with the two ends of the first runner; the first flow channel is provided with a condenser and an installation port used for being connected with a compressor, the second flow channel is connected with a first expansion valve and a battery cooler in series, and the third flow channel is provided with a fifth connector and a sixth connector which are used for being connected with a second expansion valve and an evaporator. According to the heat management integrated module, the runner plate scheme integrating the pipeline, the valve and the sensor base is adopted, the runner plate serves as a bearing foundation, a sensor, a refrigerant valve, parts and the like can be integrally installed on the runner plate, universality is achieved, the quality assurance rate is high, and the heat management integrated module has the advantages of being high in integration degree, small in occupied space, high in assembly efficiency and the like, can be universalized and does not need to be changed along with vehicle types; and part varieties are reduced.

Description

Technical Field

[0001] The present application relates to the field of automobile technology, and in particular to a thermal management integrated module, system and control method. Background Art

[0002] The existing pure electric indirect heat pump thermal management integrated system contains multiple loads on the refrigerant side, and different loads have different requirements. For example, passenger compartment cooling, passenger compartment heating (heat pump / PTC), battery cooling, in order to achieve different working modes of the system, it is necessary to arrange various valves, pipelines, components, sensors, etc. on the refrigerant side of the system, and realize the conversion of the circuit and realize different modes of the system through the action of the control valve.

[0003] At present, most of the parts in the industry are distributed and connected through pipeline assemblies. The system occupies a large space, is not compact enough, and has low efficiency in parts assembly, which is not conducive to the layout requirements of the whole vehicle. There are the following defects:

[0004] 1. Weak quality assurance. In the existing solution, sensors, valves and other assemblies are arranged on the refrigerant pipe by welding the base. The welding base of the refrigerant pipe requires welding technology. Since the refrigerant pipe layout is designed in combination with the system layout, the pipeline directions of different connection sections are different, and standard welding tools cannot be formed. Manual welding is often required, and the welding quality assurance is poor.

[0005] 2. Low integration and large space. The layout requirements of existing vehicles are getting higher and higher, and the system integration needs to be improved to meet the layout requirements of the vehicle and the system. However, the traditional refrigerant pipe assembly (welded base, with valves, sensors, etc.) is used. After the system is arranged, it occupies a large space and has a low quality impression score.

[0006] 3. Low assembly efficiency. The factory needs to assemble or sub-assemble online, which increases the assembly process.

[0007] 4. Low universalization rate. Different models always have different layouts, and different part numbers need to be distinguished to adapt to the models, and the parts universalization rate is low. Summary of the invention

[0008] In view of the shortcomings or one of the shortcomings raised by the above-mentioned background technology, the embodiments of the present application provide a thermal management integrated module, system and control method to simplify the connecting pipelines in the heat pump system and reduce the space occupied by the system installation layout.

[0009] In a first aspect, an embodiment of the present application provides a thermal management integrated module, including:

[0010] A flow channel plate, on which a first flow channel, a second flow channel and a third flow channel are integrally arranged, wherein the second flow channel and the third flow channel are both connected to two ends of the first flow channel;

[0011] The first flow channel is provided with a condenser and a mounting port for connecting a compressor, the second flow channel is connected in series with a first expansion valve and a battery cooler, and the third flow channel is provided with a fifth interface and a sixth interface for connecting the second expansion valve and the evaporator.

[0012] In the first aspect, in some embodiments, a second stop valve is provided on the first flow channel, a fourth flow channel connecting the two ends of the second stop valve is integrally provided on the flow channel plate, a third expansion valve is provided on the fourth flow channel, as well as a seventh interface and an eighth interface for connecting an external heat exchanger.

[0013] In the first aspect, in some embodiments, a first stop valve connecting two ends of the first flow channel is provided on the flow channel plate.

[0014] In the first aspect, in some embodiments, the flow channel plate is integrally provided with a first interface and a second interface for connecting the condenser to an air conditioning warm air pipeline, and a third interface and a fourth interface for connecting the battery cooler to a battery coolant pipeline.

[0015] In a second aspect, an embodiment of the present application provides a thermal management system, including:

[0016] A refrigerant circuit, comprising a compressor, a second expansion valve, an evaporator, an external heat exchanger and a thermal management integrated module as described in any one of the above;

[0017] The air conditioning warm air pipeline exchanges heat with the refrigerant pipeline through the condenser;

[0018] The battery coolant pipeline exchanges heat with the refrigerant pipeline through the battery cooler.

[0019] On the second aspect, in some embodiments, the battery coolant pipeline includes a first water pump, a first heater, and a battery pack connected in series in sequence, and the two ends of the battery coolant pipeline are connected to the two ends of the battery cooler through a three-position six-way valve, and the air conditioning warm air pipeline includes a second water pump, a second heater, and a warm air core connected in series in sequence.

[0020] On the second aspect, in some embodiments, the battery coolant pipeline also includes a first branch connected to both ends of the first heater, and the air conditioning warm air pipeline also includes a three-way proportional valve connected between the condenser and the heater core, and the remaining port of the three-way proportional valve is connected to the condenser through a second branch, and the second branch exchanges heat with the first branch through a first heat exchanger.

[0021] In a second aspect, some embodiments further include a motor coolant pipeline, which includes a third water pump, a drive motor, a two-position five-way valve, and a radiator connected in series in sequence, and the two ends of the motor coolant pipeline are interconnected through the three-position six-way valve;

[0022] The motor coolant pipeline also includes a third branch with both ends connected to the two-position five-way valve, the third branch exchanges heat with the air conditioning warm air pipeline through a second heat exchanger, and the two-position five-way valve is connected to a fourth branch of the radiator outlet.

[0023] In a third aspect, an embodiment of the present application provides a control method for a thermal management system, using any of the thermal management integrated modules described above, the method comprising:

[0024] First working mode: close the second stop valve, the first expansion valve and the second expansion valve, open the first stop valve and the third expansion valve, start the compressor, the condenser releases heat to heat the air conditioning warm air pipeline, and the external heat exchanger absorbs the heat of the outside air;

[0025] Second working mode: close the first stop valve, the second stop valve and the second expansion valve, open the first expansion valve and the third expansion valve, start the compressor, the battery cooler absorbs heat to cool the battery coolant pipeline, and the external heat exchanger releases heat to the outside air.

[0026] In a third aspect, in some embodiments, the method further includes a third working mode: closing the first stop valve, the third expansion valve, and the second expansion valve, opening the second stop valve and the first expansion valve, starting the compressor, the battery cooler absorbing heat to cool the battery coolant pipeline, and the condenser releasing heat to heat the air conditioning warm air pipeline;

[0027] In a third aspect, in some embodiments, the method further includes a fourth working mode: closing the first stop valve and the second stop valve, opening the first expansion valve, the second expansion valve and the third expansion valve, starting the compressor, the evaporator absorbing heat to realize air conditioning refrigeration, the battery cooler absorbing heat to cool the battery coolant pipeline, and the external heat exchanger releasing heat to the outside air;

[0028] On the third aspect, in some embodiments, the method also includes a fifth working mode: closing the first expansion valve, the first stop valve, and the second stop valve, opening the second expansion valve and the third expansion valve, starting the compressor, the evaporator absorbs heat to achieve air conditioning, and the external heat exchanger releases heat to the outside air.

[0029] The beneficial effects of the technical solution provided by this application include:

[0030] (1) Strong quality assurance. The refrigerant flow plate solution with integrated pipelines, valves and sensor seats is adopted. The refrigerant flow plate serves as the bearing base, on which sensors, refrigerant valves, components, etc. can be integrated and installed to form an integrated module. With the same system architecture, the integrated module can be universal and form a standard manufacturing process to improve the quality assurance rate.

[0031] (2) High integration and small footprint. Through the solution of integrated pipelines on the flow channel plate, different pipeline connections can be realized on the integrated module without the need for multiple separate pipeline assemblies. And after adopting the integrated module, the system layout is neat and tidy, which can improve the quality impression score.

[0032] (3) High assembly efficiency. The integrated module is used, and the refrigerant side parts are already assembled on the integrated module. The factory can directly assemble the whole online, saving the factory's online assembly or subassembly time and improving assembly efficiency.

[0033] (4) High universality. With the same system configuration and the same principle on the refrigerant side, the integrated module can achieve higher universality without changing with the vehicle model, thus reducing the variety of parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0035] Figure 1 A schematic diagram of the structure of a thermal management integrated module provided in an embodiment of the present application;

[0036] Figure 2 A connection diagram of a thermal management integrated module provided in an embodiment of the present application;

[0037] Figure 3 A connection diagram of the thermal management system provided in an embodiment of the present application.

[0038] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0039] 100, flow channel plate; 1, gas-liquid separator; 2, first one-way valve; 3, battery cooler; 4, first expansion valve; 5, second one-way valve; 6, first stop valve; 7, second stop valve; 8, third expansion valve; 9, condenser; 10, second expansion valve; 11, compressor; 12, evaporator;

[0040] 13. First water pump; 14. First heater; 15. Battery pack; 16. Three-position six-way valve; 17. Second water pump; 18. Second heater; 19. Warm air core; 20. Three-way proportional valve; 21. First heat exchanger; 22. Third water pump; 23. Drive motor; 24. Two-position five-way valve; 25. Radiator; 26. Second heat exchanger; 27. External heat exchanger;

[0041] R1~R8, the first to eighth interfaces; U1~U3, the first to third connectors; V1~V6, the first to sixth ports; W1~W1; the first to fifth valve ports. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0043] In view of the shortcomings or one of the shortcomings raised by the above-mentioned background technology, the embodiments of the present application provide a thermal management integrated module, system and control method to simplify the connecting pipelines in the heat pump system and reduce the space occupied by the system installation layout.

[0044] See also Figures 1 to 3 As shown, the first aspect of the embodiment of the present application provides a thermal management integrated module, including:

[0045] A flow channel plate 100, on which a first flow channel, a second flow channel and a third flow channel are integrally arranged, and the second flow channel and the third flow channel are both connected to both ends of the first flow channel;

[0046] The first flow channel is provided with a condenser 9 and a mounting port for connecting to a compressor 11 , the second flow channel is connected in series with a first expansion valve 4 and a battery cooler 3 , and the third flow channel is provided with a fifth interface R5 and a sixth interface R6 for connecting to a second expansion valve 10 and an evaporator 12 .

[0047] The thermal management integrated module of the embodiment of the present application adopts an integrated design, and the parts on the refrigerant side can be integrated on the flow channel plate 100, which has a high degree of integration and saves system space. It is also convenient for parts management. Specifically, the flow channel plate 100 in this embodiment integrates the first flow channel, the second flow channel and the third flow channel, as well as the first expansion valve 4 and the battery cooler 3 located on the second flow channel. At the same time, installation interfaces are reserved for equipment such as the compressor 11 and the evaporator 12, which is convenient for connecting parts of different models and maximizing the versatility of the integrated module.

[0048] Exemplarily, the compressor 11 is connected between the two mounting ports on the flow channel plate 100, the fifth port R5 is connected to the evaporator 12, the second expansion valve 10 is connected to the evaporator 12, and the sixth port R6 is connected to the second expansion valve 10. The loop formed by the compressor 11, the condenser 9, the second expansion valve 10, and the evaporator 12 can realize air conditioning refrigeration by using the evaporator 12;

[0049] The loop formed by the compressor 11, the condenser 9, the first expansion valve 4, and the battery cooler 3 can realize cooling of the liquid side loop load (such as the battery coolant pipeline or the motor coolant pipeline) by the battery cooler 3, and heating of the liquid side load (such as the air conditioning heating pipeline) by the condenser 9. Exemplarily, the second expansion valve 10 and the first expansion valve 4 are both electronic expansion valves, and by controlling the opening and closing of the electronic expansion valves, air conditioning refrigeration and cooling of the liquid side loop load can be realized simultaneously.

[0050] For example, the flow channel plate 100 can be realized by stamping, welding, or casting and machining. The flow channel plate 100 is processed with valves, sensors, and component interfaces used in the reserved system, and the required parts are assembled on the flow channel plate 100 to form an assembly, and then sent to the next process.

[0051] In some optional embodiments, see Figures 1 to 3 As shown, an embodiment of the present application provides a thermal management integrated module, in which a second stop valve 7 is arranged on the first flow channel of the thermal management integrated module, a fourth flow channel connecting the two ends of the second stop valve 7 is integrally arranged on the flow channel plate 100, a third expansion valve 8 is arranged on the fourth flow channel, and a seventh interface R7 and an eighth interface R8 for connecting the external heat exchanger 27 are arranged; a first stop valve 6 connecting the two ends of the first flow channel is arranged on the flow channel plate 100.

[0052] The thermal management integrated module of the embodiment of the present application is also integrated with a second stop valve 7 located on the first flow channel, and the flow channel plate 100 is also integrated with a fourth flow channel, and a third expansion valve 8 is integrated with the fourth flow channel, and a seventh interface R7 and an eighth interface R8 are reserved, and the seventh interface R7 and the eighth interface R8 can be externally connected to an external heat exchanger 27 on the vehicle. That is, the integrated module of the present embodiment integrates the valves required for various mode controls, and different modes of operation can be realized through the control of the valves, so as to realize different modes of the system.

[0053] Exemplarily, the working modes that the thermal management integrated module can implement are as follows:

[0054] First working mode: close the second stop valve 7, the first expansion valve 4 and the second expansion valve 10, open the first stop valve 6 and the third expansion valve 8, start the compressor 11, the condenser 9 releases heat to heat the air conditioning warm air pipeline, and the external heat exchanger 27 absorbs the heat of the outside air;

[0055] Second working mode: close the first stop valve 6, the second stop valve 7 and the second expansion valve 10, open the first expansion valve 4 and the third expansion valve 8, start the compressor 11, the battery cooler 3 absorbs heat to cool the battery coolant pipeline, and the external heat exchanger 27 releases heat to the outside air.

[0056] The third working mode: close the first stop valve 6, the third expansion valve 8 and the second expansion valve 10, open the second stop valve 7 and the first expansion valve 4, start the compressor 11, the battery cooler 3 absorbs heat to cool the battery coolant pipeline, and the condenser 9 releases heat to heat the air conditioning warm air pipeline.

[0057] Fourth working mode: close the first stop valve 6 and the second stop valve 7, open the first expansion valve 4, the second expansion valve 10 and the third expansion valve 8, start the compressor 11, the evaporator 12 absorbs heat to achieve air conditioning, the battery cooler 3 absorbs heat to cool the battery coolant pipeline, and the external heat exchanger 27 releases heat to the outside air.

[0058] Fifth working mode: close the first expansion valve 4, the first stop valve 6, and the second stop valve 7, open the second expansion valve 10 and the third expansion valve 8, start the compressor 11, the evaporator 12 absorbs heat to achieve air conditioning, and the external heat exchanger 27 releases heat to the outside air.

[0059] Different modes of operation control are implemented according to the strategy. The basic logic table of mode operation is as follows:

[0060]

[0061] It should be noted that the ambient temperature is used as a calibration quantity and can be calibrated to different values ​​according to different vehicle models and scenarios.

[0062] In some other embodiments, for example, the third expansion valve 8 may adopt a large-diameter fully open EXV valve, the second expansion valve 10 and the first expansion valve 4 may adopt electronic expansion valves, the temperature and pressure sensors may be integrated on the flow channel plate 100, a gas-liquid separator 1 is installed between the compressor 11 and the evaporator 12, the outlet end of the evaporator 12 is connected to the first one-way valve 2, and the inlet junction end of the evaporator 12 and the battery cooler 3 is connected to the second one-way valve 5.

[0063] In some optional embodiments, see Figures 1 to 3 As shown, an embodiment of the present application provides a thermal management integrated module, on which a flow channel plate 100 is integrally provided with a first interface R1 and a second interface R2 for connecting a condenser 9 to an air conditioning warm air pipeline, and a third interface R3 and a fourth interface R4 for connecting a battery cooler 3 to a battery coolant pipeline.

[0064] The flow channel plate 100 of the thermal management integrated module of the embodiment of the present application also integrates the first interface R1 and the second interface R2, as well as the third interface R3 and the fourth interface R4. The openings of the first interface R1, the second interface R2, the third interface R3, and the fourth interface R4 are located on the installation side of the gas-liquid separator 1 and the first stop valve 6 and the second stop valve 7. The fifth interface R5, the sixth interface R6, the seventh interface R7, and the eighth interface R8 are all facing the end away from the battery cooler 3, which is convenient for installing and connecting the external heat exchanger 27 or the evaporator 12 respectively.

[0065] Among them, the first interface R1, the second interface R2, the third interface R3, and the fourth interface R4 are hollowed out, and the outer wall of the flow channel where the first interface R1, the second interface R2 and the eighth interface R8 are located is connected as a whole, which is convenient for the alignment installation of the condenser 9, and the third interface R3, the fourth interface R4 and the flow channel plate 100 are integrated, which is convenient for the alignment installation of the battery cooler 3.

[0066] See also Figures 1 to 3 As shown, the second aspect of the embodiment of the present application provides a thermal management system, including:

[0067] A refrigerant pipeline, comprising a compressor 11, a second expansion valve 10, an evaporator 12, an external heat exchanger 27 and a thermal management integrated module according to any of the above embodiments;

[0068] The air conditioning warm air pipeline exchanges heat with the refrigerant pipeline through the condenser 9;

[0069] The battery coolant pipeline exchanges heat with the refrigerant pipeline through the battery cooler 3.

[0070] The thermal management system of the embodiment of the present application adopts the thermal management integrated module of the above-mentioned embodiment. The first interface R1 and the second interface R2 on the thermal management integrated module are connected to the air conditioning warm air pipeline, the third interface R3 and the fourth interface R4 are connected to the battery coolant pipeline, the fifth interface R5 and the sixth interface R6 are connected to the external heat exchanger 27, and the second expansion valve 10 and the evaporator 12 are connected between the seventh interface R7 and the eighth interface R8.

[0071] That is, the thermal management system of the embodiment of the present application adopts an integrated module with a high degree of integration, which saves system space and facilitates parts management. The valves required for various mode controls are integrated on the integrated module. Through the control of the valves, different modes of operation can be achieved, thereby cooperating to realize various modes of the system.

[0072] In the second aspect, in some optional embodiments: see Figures 1 to 3As shown, an embodiment of the present application provides a thermal management system, wherein a battery coolant pipeline of the thermal management system includes a first water pump 13, a first heater 14, and a battery pack 15 connected in series in sequence, and both ends of the battery coolant pipeline are connected to both ends of a battery cooler 3 via a three-position six-way valve 16, and an air conditioning warm air pipeline includes a second water pump 17, a second heater 18, and a warm air core 19 connected in series in sequence.

[0073] The battery coolant pipeline of the thermal management system of the embodiment of the present application includes a first water pump 13, a first heater 14, and a battery pack 15 which are connected in series in sequence. When the battery cooler 3 in the refrigerant pipeline absorbs heat, the first water pump 13 is turned on to circulate the coolant to meet the cooling demand of the battery pack 15. The three-position six-way valve 16 is switched to form a closed loop with the first water pump 13, the first heater 14, and the battery pack 15. The first heater 14 is used to heat the coolant to meet the heating demand of the battery pack 15.

[0074] The air conditioning heating pipeline includes a second water pump 17, a second heater 18, and a heater core 19 which are connected in series in sequence. When the condenser 9 in the refrigerant pipeline releases heat, the second water pump 17 is turned on to circulate the heat to the heater core 19 to meet the heating demand of the heater core 19. When the condenser 9 does not release heat, the second heater 18 can be used for heating to meet the heating demand of the heater core 19.

[0075] In the second aspect, in some optional embodiments: see Figures 1 to 3 As shown, an embodiment of the present application provides a thermal management system, the battery coolant pipeline of the thermal management system also includes a first branch connected to the two ends of the first heater 14, the air conditioning warm air pipeline also includes a three-way proportional valve 20 connected between the condenser 9 and the heater core 19, the remaining port of the three-way proportional valve 20 is connected to the condenser 9 through a second branch, and the second branch exchanges heat with the first branch through a first heat exchanger 21.

[0076] The heat of the air conditioning warm air pipeline of the thermal management system of the embodiment of the present application can be transferred to the battery coolant pipeline through the first heat exchanger 21 to meet the heating demand of the battery pack 15. Exemplarily, the three-way proportional valve 20 includes a first connector U1 connected to the warm air core 19, a second connector U2 connected to the first heat exchanger 21, and a second connector U2 connected to the first interface R1. The end of the first heat exchanger 21 away from the second connector U2 is connected to the first interface R1.

[0077] By controlling the three-way proportional valve 20, the coolant flowing from the heater core 19 to the first connector U1 can be controlled to be diverted to the second connector U2, and the coolant flows to the first heat exchanger 21 through the second connector U2, thereby exchanging heat with the coolant in the battery coolant pipeline through the first heat exchanger 21, thereby utilizing the heat in the air conditioning heater pipeline to heat the coolant in the battery coolant pipeline to meet the heating needs of the battery pack 15.

[0078] In the second aspect, in some optional embodiments: see Figures 1 to 3 As shown, the embodiment of the present application provides a thermal management system, which also includes a motor coolant pipeline, which includes a third water pump 22, a drive motor 23, a two-position five-way valve 24, and a radiator 25 connected in series in sequence, and the two ends of the motor coolant pipeline are interconnected through a three-position six-way valve 16;

[0079] The motor coolant pipeline also includes a third branch connected to the two-position five-way valve 24 at both ends, the third branch exchanges heat with the air conditioning warm air pipeline through the second heat exchanger 26, and the two-position five-way valve 24 is connected to the fourth branch of the radiator 25 outlet.

[0080] The motor coolant pipeline of the thermal management system of the embodiment of the present application includes a third water pump 22, a drive motor 23, a two-position five-way valve 24, and a radiator 25 connected in series in sequence. By starting the third water pump 22 to circulate the coolant and cooperating with the radiator 25 to dissipate heat, the heat dissipation demand of the drive motor 23 can be met. The radiator 25 can further cooperate with a fan to dissipate heat.

[0081] Furthermore, the motor coolant pipeline is also provided with a second heat exchanger 26 for exchanging heat with the air conditioning heater pipeline, so that the heater core 19 can be heated by utilizing the heat generated by the driving motor 23 .

[0082] Exemplarily, the three-position six-way valve 16 includes a first port V1 connected to the first water pump 13, a second port V2 connected to the battery pack 15, a third port V3 connected to the third port R3, a fourth port V4 connected to the fourth port R4, a fifth port V5 connected to the third water pump 22, and a sixth port V6 connected to the output end of the radiator 25.

[0083] The two-position five-way valve 24 includes a first valve port W1 connected to the input end of the radiator 25, a second valve port W2 connected to the coolant output port of the drive motor 23, a third valve port W3 and a fourth valve port W4 connected to the two ends of the second heat exchanger 26 respectively, and a fifth valve port W5 connected to the sixth port V6.

[0084] The three-position six-way valve 16 and the two-position five-way valve 24 are controlled to switch the connection state. When the first port V1 is connected to the fourth port V4, the second port V2 is connected to the third port V3, the fifth port V5 is connected to the sixth port V6, and the first valve port W1 is connected to the second valve port W2, the loop formed by the first water pump 13, the first heater 14, and the battery pack 15 is connected in series with the battery cooler 3. The battery cooler 3 can be used to cool the battery pack 15. At the same time, the loop formed by the third water pump 22, the drive motor 23, and the radiator 25 can cool the drive motor 23.

[0085] When the first port V1 is connected to the fourth port V4, the second port V2 is connected to the third port V3, the fifth port V5 is connected to the sixth port V6, and the second valve port W2 is connected to the third valve port W3, and the fourth valve port W4 is connected to the fifth valve port W5, the circuit formed by the third water pump 22, the drive motor 23, and the second heat exchanger 26 can transfer the heat generated by the drive motor 23 to the warm air core 19 in the air conditioning warm air circuit.

[0086] When the first port V1 is connected to the second port V2, the third port V3 is connected to the sixth port V6, the fourth port V4 is connected to the fifth port V5, and the first valve port W1 is connected to the second valve port W2, the first water pump 13, the first heater 14, and the battery pack 15 can form an independent circuit, which is convenient for heating with the first heater 14 and meeting the heating requirements of the battery pack 15. At the same time, the circuit formed by the third water pump 22, the drive motor 23, and the radiator 25 is connected in series with the battery cooler 3, and the battery cooler 3 can be used to cool the drive motor 23.

[0087] When the first port V1 is connected to the sixth port V6, the second port V2 is connected to the fifth port V5, and the third port V3 is connected to the fourth port V4, the motor coolant pipeline and the battery coolant pipeline can be connected in series and independent of the battery cooler 3, and the heat generated by the drive motor 23 can be used to heat the battery pack 15.

[0088] See also Figures 1 to 3 As shown, a third aspect of an embodiment of the present application provides a control method for a thermal management system, using the thermal management integrated module of any of the above embodiments, the method comprising:

[0089] First working mode: close the second stop valve 7, the first expansion valve 4 and the second expansion valve 10, open the first stop valve 6 and the third expansion valve 8, start the compressor 11, the condenser 9 releases heat to heat the air conditioning warm air pipeline, and the external heat exchanger 27 absorbs the heat of the outside air;

[0090] Second working mode: close the first stop valve 6, the second stop valve 7 and the second expansion valve 10, open the first expansion valve 4 and the third expansion valve 8, start the compressor 11, the battery cooler 3 absorbs heat to cool the battery coolant pipeline, and the external heat exchanger 27 releases heat to the outside air.

[0091] In the first working mode of the control method of the embodiment of the present application, the compressor 11, the condenser 9, the third expansion valve 8, and the external heat exchanger 27 can form an independent circuit, so that the condenser 9 releases heat to heat the air-conditioning warm air pipeline, and the external heat exchanger 27 absorbs heat from the outside air to meet the working condition that the air-conditioning warm air pipeline needs to be used alone.

[0092] In the second working mode, the compressor 11, the external heat exchanger 27, the first expansion valve 4, and the battery cooler 3 form an independent circuit, so that the battery cooler 3 absorbs heat to cool the battery coolant pipeline, and the external heat exchanger 27 releases heat to the outside air. It should be noted that in this mode, the third expansion valve 8 is controlled to be fully opened, and the third expansion valve 8 and the condenser 9 only play the role of overcurrent, and mainly rely on the external heat exchanger 27 to release heat to the outside air. This meets the working condition that the battery coolant pipeline needs to be cooled separately.

[0093] In the third aspect, in some optional embodiments: see Figures 1 to 3 As shown, an embodiment of the present application provides a control method for a thermal management system, which also includes a third working mode: closing the first stop valve 6, the third expansion valve 8 and the second expansion valve 10, opening the second stop valve 7 and the first expansion valve 4, starting the compressor 11, the battery cooler 3 absorbs heat to cool the battery coolant pipeline, and the condenser 9 releases heat to heat the air conditioning warm air pipeline.

[0094] In the third working mode of the control method of the embodiment of the present application, the compressor 11, the condenser 9, the first expansion valve 4, and the battery cooler 3 form an independent circuit, so that the battery cooler 3 absorbs heat to cool the battery coolant pipeline, and the condenser 9 releases heat to heat the air-conditioning warm air pipeline. In conjunction with the three-position six-way valve 16 switching the connection state, the battery cooler 3 can also absorb heat to cool the motor coolant pipeline.

[0095] In the third aspect, in some optional embodiments: see Figures 1 to 3 As shown, an embodiment of the present application provides a control method for a thermal management system, which also includes a fourth working mode: closing the first stop valve 6 and the second stop valve 7, opening the first expansion valve 4, the second expansion valve 10 and the third expansion valve 8, starting the compressor 11, the evaporator 12 absorbs heat to achieve air conditioning refrigeration, the battery cooler 3 absorbs heat to cool the battery coolant pipeline, and the external heat exchanger 27 releases heat to the outside air.

[0096] In the fourth working mode of the control method of the embodiment of the present application, the compressor 11, the external heat exchanger 27, the second expansion valve 10, and the evaporator 12 form a loop, while the compressor 11, the external heat exchanger 27, the first expansion valve 4, and the battery cooler 3 form a loop, so that the evaporator 12 absorbs heat to achieve air conditioning refrigeration, the battery cooler 3 absorbs heat to cool the battery coolant pipeline, and the external heat exchanger 27 releases heat to the outside air.

[0097] It should be noted that in this mode, the third expansion valve 8 is controlled to be fully opened, and the third expansion valve 8 and the condenser 9 only play the role of flow, and mainly rely on the external heat exchanger 27 to release heat to the outside air. Thus, the battery coolant pipeline needs to be cooled and the air conditioner needs to be refrigerated at the same time.

[0098] In the third aspect, in some optional embodiments: see Figures 1 to 3 As shown, an embodiment of the present application provides a control method for a thermal management system, which also includes a fifth working mode: closing the first expansion valve 4, the first stop valve 6, and the second stop valve 7, opening the second expansion valve 10 and the third expansion valve 8, starting the compressor 11, the evaporator 12 absorbs heat to achieve air conditioning, and the external heat exchanger 27 releases heat to the outside air.

[0099] In the fifth working mode of the control method of the embodiment of the present application, the compressor 11, the external heat exchanger 27, the second expansion valve 10, and the evaporator 12 form a loop, so that the evaporator 12 absorbs heat to realize air conditioning refrigeration, and the external heat exchanger 27 releases heat to the outside air. It should be noted that in this mode, the third expansion valve 8 is controlled to be fully opened, and the third expansion valve 8 and the condenser 9 only play the role of over-current, mainly relying on the external heat exchanger 27 to release heat to the outside air. Thus, the working condition that the air conditioner needs to cool alone is met at the same time.

[0100] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application 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 therefore cannot be understood as a limitation on the present application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0101] It should be noted that, in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0102] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. A thermal management integrated module, It is characterized in that include: A flow channel plate (100) on which a first flow channel, a second flow channel and a third flow channel are integrally arranged, wherein the second flow channel and the third flow channel are both connected to two ends of the first flow channel; The first flow channel is provided with a condenser (9) and a mounting port for connecting to a compressor (11), the second flow channel is connected in series with a first expansion valve (4) and a battery cooler (3), and the third flow channel is provided with a fifth interface (R5) and a sixth interface (R6) for connecting to a second expansion valve (10) and an evaporator (12).

2. The thermal management integrated module according to claim 1, Features: The first flow channel is provided with a second stop valve (7), the flow channel plate (100) is integrally provided with a fourth flow channel connected to both ends of the second stop valve (7), the fourth flow channel is provided with a third expansion valve (8), and a seventh interface (R7) and an eighth interface (R8) for connecting to an external heat exchanger (27).

3. The thermal management integrated module according to claim 2, Features: The flow channel plate (100) is provided with a first stop valve (6) communicating between the two ends of the first flow channel.

4. The thermal management integrated module according to claim 1, Features: The flow channel plate (100) is integrally provided with a first interface (R1) and a second interface (R2) for connecting the condenser (9) to an air conditioning warm air pipeline, and a third interface (R3) and a fourth interface (R4) for connecting the battery cooler (3) to a battery coolant pipeline.

5. A thermal management system, It is characterized in that include: A refrigerant pipeline, comprising a compressor (11), a second expansion valve (10), an evaporator (12), an external heat exchanger (27), and a thermal management integrated module according to any one of claims 1 to 4; The air conditioning warm air pipeline exchanges heat with the refrigerant pipeline via a condenser (9); The battery coolant pipeline exchanges heat with the refrigerant pipeline via a battery cooler (3).

6. The thermal management system according to claim 5, Features: The battery coolant pipeline comprises a first water pump (13), a first heater (14), and a battery pack (15) connected in series in sequence; two ends of the battery coolant pipeline are connected to two ends of a battery cooler (3) via a three-position six-way valve (16); and the air conditioning warm air pipeline comprises a second water pump (17), a second heater (18), and a warm air core (19) connected in series in sequence.

7. The thermal management system according to claim 6, Features: The battery coolant pipeline also includes a first branch connected to both ends of the first heater (14), and the air conditioning warm air pipeline also includes a three-way proportional valve (20) connected between the condenser (9) and the warm air core (19), and the remaining port of the three-way proportional valve (20) is connected to the condenser (9) through a second branch, and the second branch exchanges heat with the first branch through a first heat exchanger (21).

8. The thermal management system according to claim 7, Features: It also includes a motor coolant pipeline, which includes a third water pump (22), a drive motor (23), a two-position five-way valve (24), and a radiator (25) connected in series in sequence, and the two ends of the motor coolant pipeline are connected to each other through the three-position six-way valve (16); The motor coolant pipeline also includes a third branch with both ends connected to the two-position five-way valve (24), the third branch exchanges heat with the air conditioning warm air pipeline through a second heat exchanger (26), and the two-position five-way valve (24) is connected to a fourth branch at the outlet end of the radiator (25).

9. A control method for a thermal management system, It is characterized in that Using the thermal management integrated module according to any one of claims 5 to 8, the method comprises: The first working mode: the second stop valve (7), the first expansion valve (4) and the second expansion valve (10) are closed, the first stop valve (6) and the third expansion valve (8) are opened, the compressor (11) is started, the condenser (9) releases heat to heat the air conditioning warm air pipeline, and the external heat exchanger (27) absorbs heat from the outside air; Second working mode: the first stop valve (6), the second stop valve (7) and the second expansion valve (10) are closed, the first expansion valve (4) and the third expansion valve (8) are opened, the compressor (11) is started, the battery cooler (3) absorbs heat to cool the battery coolant pipeline, and the external heat exchanger (27) releases heat to the outside air.

10. The control method of the thermal management system according to claim 9, It is characterized in that The method also includes: The third working mode: the first stop valve (6), the third expansion valve (8) and the second expansion valve (10) are closed, the second stop valve (7) and the first expansion valve (4) are opened, the compressor (11) is started, the battery cooler (3) absorbs heat to cool the battery coolant pipeline, and the condenser (9) releases heat to heat the air conditioning warm air pipeline; Fourth working mode: the first stop valve (6) and the second stop valve (7) are closed, the first expansion valve (4), the second expansion valve (10) and the third expansion valve (8) are opened, the compressor (11) is started, the evaporator (12) absorbs heat to realize air conditioning refrigeration, the battery cooler (3) absorbs heat to cool the battery coolant pipeline, and the external heat exchanger (27) releases heat to the outside air; Fifth working mode: the first expansion valve (4), the first stop valve (6), and the second stop valve (7) are closed, the second expansion valve (10) and the third expansion valve (8) are opened, the compressor (11) is started, the evaporator (12) absorbs heat to achieve air conditioning and refrigeration, and the external heat exchanger (27) releases heat to the outside air.

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