Integrated thermal management system, control method, and vehicle
By integrating a six-way valve module in the integrated thermal management system, the problems of connection complexity and energy loss in the existing thermal management system are solved, and the system structure is simplified and efficiency is improved.
Patent Information
- Application Number
- CN202411813192.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2044-12-10
AI Technical Summary
The widespread use of key components such as three-way valves and four-way valves in existing thermal management systems has led to increased system connection complexity, higher energy loss, and limited space resources.
An integrated thermal management system is adopted, which integrates the battery circuit, heating circuit, heat exchange circuit and air conditioning circuit through a six-way valve integration module. The six-way valve controls the connection status of each circuit, which simplifies the system structure, reduces the number of connecting pipes, and improves energy conversion efficiency.
It achieves precise control of each loop, simplifies the system structure, reduces energy loss and the number of control signals, improves the efficiency and reliability of the thermal management system, and reduces system complexity and cost.
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Figure CN119388953B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of thermal management systems, in particular to an integrated thermal management system, a control method and a vehicle. BACKGROUND
[0002] The current thermal management system presents a complex development trend, although it aims to realize more fine and comprehensive thermal regulation functions, but this process is accompanied by a significant increase in the number of components and the expansion of the system volume and other problems. In particular, the widespread use of three-way valves, four-way valves and water pumps and other key components directly leads to the complex connection of the internal pipeline of the system, which not only aggravates the complexity and demand of the control signal, but also inevitably increases the energy loss in the transmission process, and poses a greater challenge to the limited space resources inside the vehicle. SUMMARY
[0003] Therefore, the present application provides an integrated thermal management system, a control method and a vehicle to solve the technical problem that the existing thermal management system needs to set multiple three-way valves and four-way valves.
[0004] In a first aspect, an embodiment of the present application provides an integrated thermal management system, comprising: a controller, a six-way valve integrated module, a battery circuit, a heating circuit, a heat exchange circuit and an air conditioning circuit, wherein the six-way valve integrated module integrates a six-way valve, two water tanks and two water pumps; the controller is configured to generate a control instruction according to a thermal management mode, the control instruction being used to control the communication state of the six-way valve integrated module and the heating circuit, the battery circuit and the heat exchange circuit; the two water tanks are a first water tank and a second water tank respectively, and the two water pumps are a first water pump and a second water pump, the first water pump and the first water tank being connected in series in the battery circuit, and the second water pump and the second water tank being connected in series in the heating circuit; the heat exchange circuit comprises a heat exchanger, and the air conditioning circuit and the heat exchange circuit converge in the heat exchanger; the six-way valve comprises six interface pipes, a valve core and a driving mechanism; the six interface pipes are connected with the battery circuit, the heating circuit and the heat exchange circuit respectively; the six-way valve is configured to control the driving mechanism to drive the valve core to rotate according to the control instruction, to communicate at least two target interface pipes in the six interface pipes, so as to communicate the pipe openings of the target circuits connected with the at least two target interface pipes, and form a thermal management circuit corresponding to the thermal management mode.
[0005] In a second aspect, a control method of an integrated thermal management system is provided, which is applied to any of the integrated thermal management systems described in the embodiments of the present application.
[0006] In a third aspect, an embodiment of the present application provides a vehicle, comprising any of the integrated thermal management systems described in the embodiments of the present application.
[0007] In summary, the integrated thermal management system, the control method and the vehicle provided by the application have at least the following beneficial effects: by connecting each circuit to the highly integrated six-way valve integrated module, the communication state of each circuit is accurately controlled to meet different thermal management requirements, the system structure is simplified, the number of connection pipelines of the system is reduced, the overall volume of the system is reduced, the conversion ratio of energy and energy is improved, energy loss is reduced, and the number of required control signals is reduced, thereby not only improving the efficiency and reliability of the thermal management system, but also reducing the complexity and cost of the system. BRIEF DESCRIPTION OF DRAWINGS
[0008] In order to more clearly illustrate the technical solutions in the specific embodiments or prior art of the present application, the drawings needed to be used in the description of the specific embodiments or prior art will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0009] Figure 1 A structural schematic diagram of an integrated thermal management system provided by an embodiment of the present application is shown;
[0010] Figure 2 A structural schematic diagram of another integrated thermal management system provided by an embodiment of the present application is shown;
[0011] Figure 3 A structural schematic diagram of a six-way valve integrated module provided by an embodiment of the present application is shown;
[0012] Figure 4 A structural schematic diagram of another integrated thermal management system provided by an embodiment of the present application is shown;
[0013] Figure 5 A structural schematic diagram of a vehicle provided by an embodiment of the present application is shown. DETAILED DESCRIPTION
[0014] In order to make the above and other features and advantages of the present application clearer, the present application will be further described below with reference to the drawings. It should be understood that the specific embodiments given herein are for the purpose of explanation and are only exemplary, but are not limiting.
[0015] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without specific details, which are not required to practice the present application. In other instances, well-known steps or operations have not been described in detail in order to avoid obscuring the present application.
[0016] Another aspect of this application provides an integrated thermal management system. Figure 1 This illustration shows a structural schematic diagram of an integrated thermal management system provided in an embodiment of this application, such as... Figure 1 As shown, the integrated thermal management system 10 may include: a controller 11, a six-way valve integrated module 12, a battery circuit 13, a heating circuit 14, a heat exchange circuit 15, and an air conditioning circuit 16.
[0017] The controller 11 establishes communication connections with the six-way valve integrated module 12, battery circuit 13, heating circuit 14, heat exchange circuit 15, and air conditioning circuit 16. The six-way valve integrated module 12 is connected to the battery circuit 13, heat exchange circuit 15, and heating circuit 14, and the battery circuit 13 is connected to the air conditioning circuit 16.
[0018] The controller 11 can be a vehicle controller, which can be used to generate control commands according to the thermal management mode, and can also be used to send control commands to the circuits related to the thermal management mode and the six-way valve integrated module 12. The control commands are used to control the connection status between the six-way valve integrated module 12 and the heating circuit 14, the battery circuit 13, and the heat exchange circuit 15.
[0019] In addition, control commands can also be used to indicate the operating status of each circuit. The operating status of a heating circuit may include, but is not limited to, heating mode, warm air mode, and heating and warm air mode. The operating status of an air conditioning circuit may include cooling mode.
[0020] like Figure 1 As shown, the heat exchange circuit 15 includes a heat exchanger 151. The air conditioning circuit 16 and the heat exchange circuit 15 converge at the heat exchanger 151. The heat exchange circuit 15 is used to exchange heat between the coolant in its own circuit and the refrigerant in the air conditioning circuit 16 through the heat exchanger 151, thereby reducing the temperature of the coolant in the heat exchange circuit 15.
[0021] like Figure 2 As shown, the integrated thermal management system may further include a motor circuit 17. A controller 11 is connected to the motor circuit 17 and is used to control the operating state of the motor circuit 17. The operating state of the motor circuit includes, but is not limited to, a motor cooling state and a motor no-cooling state.
[0022] Figure 3 This illustration shows a structural diagram of a six-way valve integrated module provided in an embodiment of this application, as shown below. Figure 3 As shown, the six-way valve integrated module 12 integrates: a six-way valve 21, two water tanks 22, and two water pumps 23. The two water tanks 22 are the first water tank 22a and the second water tank 22b, respectively, and the two water pumps 23 are the first water pump 23a and the second water pump 23b.
[0023] The first water pump 23a and the first water tank 22a are connected in series in the battery circuit 13, and the second water pump 23b and the second water tank 22b are connected in series in the heating circuit 14.
[0024] The six-way valve 21 includes a housing, a driving mechanism, a valve core, and six interface pipes. Specifically, the six interface pipes are arranged on the housing. The valve core is arranged in the housing and divides the housing cavity into multiple small cavities, each of which is in communication with two interface pipes. The driving mechanism is used to drive the valve core to rotate so as to change the communication of each second cavity with the interface pipes.
[0025] The six interface pipes are connected with the battery circuit 13, the heating circuit 14, and the heat exchange circuit 15 respectively.
[0026] The six-way valve 21 is used to control the driving mechanism to drive the valve core to rotate according to a control instruction, to communicate at least two target interface pipes in the six interface pipes, so as to communicate the pipe openings of the target circuits connected with the at least two target interface pipes, and form a heat management circuit corresponding to a heat management mode.
[0027] It should be noted that the heat management mode involved in the embodiments of the present application can include but is not limited to the battery heating mode, the battery cooling mode, the battery non-cooling mode, the battery waste heat recovery mode, the passenger compartment heating mode, and the passenger compartment and battery heating mode. The heat management circuit can include but is not limited to the battery heating circuit, the battery cooling circuit, the battery non-cooling circuit, the battery waste heat recovery mode, the passenger compartment heating mode, and the passenger compartment and battery heating mode.
[0028] Figure 4 A structure schematic diagram of another integrated heat management system provided by the embodiments of the present application is shown, Figure 4 The controller 11 is not identified in the figure.
[0029] As Figure 4 shown, the six interface pipes of the six-way valve are a first interface pipe A, a second interface pipe B, a third interface pipe C, a fourth interface pipe D, a fifth interface pipe E, and a sixth interface pipe F.
[0030] The six interface pipes of the six-way valve 21 are connected with the battery circuit 13, the heating circuit 14, and the heat exchange circuit 15 respectively, which can include that the first interface pipe A is connected with an input pipe opening of the heat exchange circuit. The second interface pipe B is connected with an input pipe opening of the battery circuit 13. The third interface pipe C is connected with an output pipe opening of the battery circuit. The fourth interface pipe E is connected with an output pipe opening of the heating circuit 14. The fifth interface pipe F is connected with an output pipe opening of the heat exchange circuit 15. The sixth interface pipe F is connected with an input pipe opening of the heating circuit 14.
[0031] As Figure 4As shown, the battery circuit 13 includes a battery 131, and the battery circuit 13 can be used to achieve the purpose of cooling or heating the battery 131 by the cooling liquid in the circuit.
[0032] The first water pump 23a and the first water tank 22a are connected in series in the battery circuit, and the connection relationship is that one pipe opening of the battery 131 is connected with the second interface pipe B, the other pipe opening of the battery 131 is connected with the input pipe opening of the first water tank 22a, the output pipe opening of the first water tank 22a is connected with the input pipe opening of the first water pump 23a, and the output pipe opening of the first water pump 23a is connected with the third interface pipe C. Among them, the output pipe opening of the first water pump 23a can be used as the output pipe opening of the battery circuit 13.
[0033] It should be noted that the one pipe opening of the battery 131 is connected with the second interface pipe B through a water pipe, and the pipe opening connected with the second interface pipe B can be used as the input pipe opening of the battery circuit 13. The other pipe opening of the battery 131 is connected with the first water tank 22a through a water pipe.
[0034] As shown, Figure 4 The heat exchange circuit 15 includes a heat exchanger 151. Among them, the heat exchanger 151 includes four pipe openings, which are the first pipe opening G, the second pipe opening H, the third pipe opening I and the fourth pipe opening J. The first pipe opening G is connected with the first interface pipe opening A, the second pipe opening H is connected with the fifth interface pipe E, the third pipe opening I is connected with the input pipe opening of the air conditioning circuit 16, and the fourth pipe opening J is connected with the output pipe opening of the air conditioning circuit 16.
[0035] It should be noted that the first pipe opening G is connected with the first interface pipe opening A through a water pipe, and the pipe opening connected with the first interface pipe opening A can be used as the output pipe opening of the heat exchange circuit 15. The second pipe opening H is connected with the fifth interface pipe E through a water pipe, and the pipe opening connected with the fifth interface pipe E can be used as the input pipe opening of the heat exchange circuit 15.
[0036] As shown, Figure 4 The heating circuit 14 is used to heat the cooling liquid in the heating circuit. The heating circuit 14 includes a water heater 141 and a warm air core 142. The water heater 141 can be a device capable of quickly heating liquid. The warm air core 142 is used to generate hot air according to the cooling liquid in the circuit and guide it into the passenger compartment.
[0037] The second water pump 23b and the second water tank 22b are connected in series in the heating circuit 14, and the connection relationship includes that the input pipe opening of the second water tank 22b is connected with the sixth interface pipe F, the output pipe opening of the second water tank 22b is connected with the input pipe opening of the second water pump 23b, the output pipe opening of the second water pump 23b is connected with one pipe opening of the water heater 141, the other pipe opening of the water heater 141 is connected with one pipe opening of the warm air core 142, and the other pipe opening of the warm air core 142 is connected with the fourth interface pipe D.
[0038] The integrated thermal management system switches to a suitable thermal management loop to provide heat to the passenger cabin according to the battery temperature after receiving the passenger cabin heating request. In some embodiments, the control instruction includes a first passenger cabin heating instruction and a second passenger cabin heating instruction. The first passenger cabin heating instruction and the second passenger cabin heating instruction both belong to the passenger cabin heating instruction. The passenger cabin heating instruction can be an instruction for implementing the passenger cabin heating function, that is, an instruction for controlling the integrated thermal management system to implement the passenger cabin heating mode in the thermal management mode. The first passenger cabin heating instruction is used to instruct to heat the passenger cabin by using the water heater 141. The second passenger cabin heating instruction is used to instruct to heat the passenger cabin by using the battery waste heat.
[0039] In some embodiments, the controller 11 is configured to, in response to receiving the passenger cabin heating request and the battery temperature being below the first preset temperature, start the heater core and the water heater, so that the heating loop 14 is in a heating and blowing state, and send the first passenger cabin heating instruction to the six-way valve.
[0040] The six-way valve 21 is configured to control the driving mechanism to drive the valve core to rotate according to the first passenger cabin heating instruction, so that the fourth interface pipe D and the sixth interface pipe F are connected, so that the heating loop is connected to form a first passenger cabin heating loop corresponding to the first passenger cabin heating mode.
[0041] The battery temperature referred to in the embodiments of the present application refers to the current temperature of the battery 131. The first preset temperature can be set according to the vehicle design, the battery characteristics and the safety standard, and is used to measure whether the battery has excess heat. Alternatively, the first preset temperature can be 40 degrees.
[0042] In an embodiment of the present application, the controller 11 receives the passenger cabin heating request, and judges whether the battery temperature will exceed the first preset temperature. When the battery temperature does not exceed the first preset temperature, that is, the battery 131 cannot provide heat to the passenger cabin, the controller 11 starts the heater core 142 and the water heater 141, and sends the first passenger cabin heating instruction to the six-way valve 21.
[0043] It should be noted that the passenger cabin heating request can be generated by user operation on the control panel or automatically generated when the temperature in the passenger cabin is relatively low.
[0044] In addition, the controller 11 also starts the second water pump 23b. After receiving the first passenger cabin heating instruction sent by the controller 11, the six-way valve 21 controls the position of the valve core by rotating the driving mechanism, so that the fourth interface pipe D and the sixth interface pipe F are connected, so that the input pipe and the output pipe of the heating loop 14 are connected, and a first passenger cabin heating loop corresponding to the first passenger cabin heating mode is formed.
[0045] In the first passenger cabin heating loop, i.e. the cooling liquid in the water heater 141 heating loop, the heated cooling liquid flows into the heater core, the heater core 142 generates hot air, and the hot air is sent into the passenger cabin through the air duct. The cooling liquid flowing out of the heater core 142 is cooled, and flows into the six-way valve 21 from the fourth interface pipe D, and reflows into the heating loop 14 through the sixth interface pipe F. In this way, the first passenger cabin heating loop allows the heated cooling liquid to pass through the heater core 142 to transfer heat to the air in the passenger cabin, achieving the purpose of heating the passenger cabin.
[0046] In other embodiments, the controller 11 is configured to, in response to receiving a passenger cabin heating request and the battery temperature exceeding the first preset temperature, start the heater core 142 to make the heating loop 14 in the heating state, and send a second passenger cabin heating instruction to the six-way valve 21.
[0047] The six-way valve 21 is configured to control the driving mechanism to drive the valve core to rotate according to the second passenger cabin heating instruction, to connect the third interface pipe C and the sixth interface pipe F, and to connect the second interface pipe B and the fourth interface pipe D, so that the battery loop and the heating loop are connected, forming a second passenger cabin heating loop corresponding to the second passenger cabin heating mode, so as to heat the passenger cabin by using the battery waste heat.
[0048] Specifically, when the controller 11 determines that the battery temperature exceeds the first preset temperature, i.e. the battery 131 can provide heat to the passenger cabin, the controller 11 starts the heater core 142, and sends a second passenger cabin heating instruction to the six-way valve 21.
[0049] In addition, the controller 11 also starts the first water pump 23a and the second water pump 23b. After receiving the second passenger cabin heating instruction sent by the controller 11, the six-way valve 21 controls the position of the valve core by rotating the driving mechanism, so that the third interface pipe C and the sixth interface pipe F are connected, and the second interface pipe B and the fourth interface pipe D are connected, so that the output port of the heating loop 14 and the input port of the battery loop 13 are connected, and the input port of the heating loop 14 and the output port of the battery loop 13 are connected, forming a second passenger cabin heating loop corresponding to the second passenger cabin heating mode.
[0050] In the second passenger cabin heating loop, the coolant flows through the battery 131 to be heated by the excess heat of the battery, the heated coolant flows through the first water tank 22a, is pressurized by the first water pump 23a, flows into the six-way valve 21 from the third interface pipe C, flows through the second water tank 22b through the sixth interface pipe F, and is pressurized by the second water pump 23b to flow through the instant water heater 141 and the heater core 142. The instant water heater 141 does not work, the heater core 142 generates hot air, and the hot air is sent into the passenger cabin through the air duct. The coolant flowing out of the heater core 142 is cooled and flows into the six-way valve 21 from the fourth interface pipe D, and flows to the battery 131 through the second interface pipe B. In this way, the second passenger cabin heating loop uses the excess heat of the battery to heat the coolant in the loop, and the heated coolant transfers heat to the air in the passenger cabin through the heater core 142, thereby achieving the purposes of recovering the battery heat and heating the passenger cabin.
[0051] In yet some embodiments, the control instruction can include a passenger cabin and battery heating instruction. The passenger cabin and battery heating instruction can be an instruction for simultaneously implementing the passenger cabin heating function and the battery heating function, i.e., an instruction for controlling the integrated thermal management system to implement the passenger cabin and battery heating mode in the thermal management mode.
[0052] The controller 11 is configured to, in response to receiving the passenger cabin heating request and the battery temperature being below the second preset temperature, start the heater core 142 and the instant water heater 141 so that the heating loop is in the heating and blowing state, and send a passenger cabin and battery heating instruction to the six-way valve 21.
[0053] The six-way valve 21 is configured to, in response to the passenger cabin and battery heating instruction, control the driving mechanism to drive the valve core to rotate, connect the third interface pipe C and the sixth interface pipe F, and connect the second interface pipe B and the fourth interface pipe D, so that the heating loop and the battery loop are connected, forming a passenger cabin and battery heating loop corresponding to the passenger cabin and battery heating mode.
[0054] The second preset temperature involved in the embodiments of the present application can be set according to the vehicle design, the battery characteristics and the safety standards, and is used to measure whether the battery is in a low temperature state. Optionally, the second preset temperature can be 15 degrees.
[0055] In an embodiment of the present application, after the controller 11 obtains the passenger cabin heating request, the controller 11 further judges whether the battery temperature is below the first preset temperature, and in response to the battery temperature being below the first preset temperature, the controller 11 further judges whether the battery temperature is below the second preset temperature. In response to the battery temperature being below the second preset temperature, i.e., the battery being in a low temperature state, the controller 11 starts the heater core 142 and the instant water heater 141, and sends a passenger cabin and battery heating instruction to the six-way valve 21.
[0056] In addition, the controller 11 also starts the first water pump 23a and the second water pump 23b. After receiving the passenger cabin and battery heating instruction sent by the controller 11, the six-way valve 21 controls the position of the spool by rotating the driving mechanism, so that the third interface pipe C and the sixth interface pipe F are communicated, and the second interface pipe B and the fourth interface pipe D are communicated, so that the output port of the heating circuit 14 and the input port of the battery circuit 13 are communicated, and the input port of the heating circuit 14 and the output port of the battery circuit 13 are communicated, forming a passenger cabin and battery heating circuit corresponding to the passenger cabin and battery heating instruction mode.
[0057] In the passenger cabin and battery heating circuit, the coolant flows through the second water tank 22b and is pressurized by the second water pump 23b to flow to the water heater 141, the water heater 141 heats the coolant, and the heated coolant flows to the heater core, the heater core 142 generates hot air, and the hot air is sent to the passenger cabin through the air duct. The coolant flowing out of the heater core 142 is cooled, and the temperature of the cooled coolant is higher than the temperature of the battery. The cooled coolant flows from the fourth interface pipe D into the six-way valve 21 and flows to the battery 131 through the second interface pipe B. The battery 131 is heated, and the coolant flowing out of the battery 131 is cooled again. The cooled coolant passes through the first water tank 22a and is pressurized by the first water pump 23a to flow from the third interface pipe C into the six-way valve 21 and flow into the second water tank 22b through the sixth interface pipe F. In this way, the coolant circulates in the passenger cabin and battery heating circuit, so that the water heater 141 heats the coolant in the circuit, and the heated coolant passes through the heater core 142 and the battery 131 to transfer heat to the air in the passenger cabin and the battery 131, thereby achieving the purpose of heating the passenger cabin and the battery together.
[0058] In some embodiments, the control instruction includes a battery non-cooling instruction. The battery non-cooling instruction can be an instruction that the battery temperature is in a normal temperature range and does not need additional cooling, that is, an instruction for the controller 11 to control the integrated thermal management system to implement a battery non-cooling mode in the thermal management mode.
[0059] The controller 11 is configured to send a battery non-cooling instruction to the six-way valve 21 when the battery temperature is in a preset temperature range.
[0060] The six-way valve 21 is configured to control the driving mechanism to drive the spool to rotate according to the battery non-cooling instruction, so that the second interface pipe B and the third interface pipe C are communicated to form a battery non-cooling circuit corresponding to the battery non-cooling mode.
[0061] The preset temperature range related to the embodiments of the present application can be set according to the vehicle design, the battery characteristics and the safety standards, and is used to measure whether the battery is in a normal temperature range. Alternatively, the preset temperature range can be 20-30 degrees.
[0062] In an embodiment of the present application, the controller 11 determines whether the battery temperature is within a preset temperature range. When the battery temperature is within the preset range, the controller 11 sends a battery non-cooling instruction to the six-way valve 21.
[0063] In addition, the controller 11 also starts the second water pump 23a. After receiving the battery non-cooling instruction sent by the controller 11, the six-way valve 21 controls the position of the valve core by rotating the driving mechanism, so that the second interface pipe B and the third interface pipe C are in communication, and the input pipe and the output pipe of the battery circuit 13 are in communication, forming a battery non-cooling circuit corresponding to the battery non-cooling mode.
[0064] In the battery non-cooling circuit, the first water tank 22a supplies cooling liquid to the battery circuit 13, and the first water pump 23a drives the cooling liquid to flow in the battery circuit. The cooling liquid flows from the third interface pipe C into the six-way valve 21, and flows from the second interface pipe B to the battery 131. The cooling liquid flowing through the battery 131 carries away the heat of the battery 131 and flows to the first water tank 22a. In this way, the battery non-cooling circuit allows the heat generated by the battery during operation to be dissipated to the environment by natural heat dissipation, without the intervention of additional cooling devices.
[0065] In some embodiments, the control instruction includes a battery heating instruction. The battery heating instruction can be an instruction for implementing the battery heating function, i.e., an instruction for controlling the integrated thermal management system to implement the battery heating mode in the thermal management mode.
[0066] The controller 11 is configured to start the instant water heater 141 when the battery temperature is lower than the second preset temperature, so that the heating circuit 14 is in a heating state, and the controller 11 sends a battery heating instruction to the six-way valve 21.
[0067] The six-way valve 21 is configured to control the driving mechanism to drive the valve core to rotate according to the battery heating instruction, so that the third interface pipe C and the sixth interface pipe F are in communication, and the second interface pipe B and the fourth interface pipe D are in communication, so that the battery circuit 13 and the heating circuit 14 are in communication, forming a battery heating circuit corresponding to the battery heating mode.
[0068] In an embodiment of the present application, when the controller 11 determines that the battery temperature is lower than the second preset temperature, i.e., the battery 131 is in a state of excessively low temperature, in order to ensure that the battery operates at an appropriate temperature, the controller 11 starts the instant water heater 141, and sends a battery heating instruction to the six-way valve 21.
[0069] In addition, the controller 11 also starts the first water pump 23a and the second water pump 23b. After receiving the battery heating instruction sent by the controller 11, the six-way valve 21 controls the spool position by rotating the driving mechanism, so that the third interface pipe C and the sixth interface pipe F are in communication, and the second interface pipe B and the fourth interface pipe D are in communication, so that the output port of the heating circuit 14 and the input port of the battery circuit 13 are in communication, and the input port of the heating circuit 14 and the output port of the battery circuit 13 are in communication, forming a battery heating circuit corresponding to the battery heating mode.
[0070] It should be noted that the difference between the passenger compartment and the battery heating circuit and the battery heating circuit is whether the controller 11 starts the heater core 142.
[0071] In the battery heating circuit, the coolant flows through the second water tank 22b and is pressurized by the second water pump 23b to flow to the water heater 141. The water heater 141 heats the coolant, and the heated coolant flows through the heater core 142. The heater core 142 does not work, and the temperature of the coolant remains unchanged. The coolant flowing out of the heater core 142 flows into the six-way valve 21 from the fourth interface pipe D through the water pipe, and flows to the battery 131 through the second interface pipe B. The battery 131 is heated, and the coolant flowing out of the battery 131 is cooled. The cooled coolant passes through the first water tank 22a and is pressurized by the first water pump 23a to flow into the six-way valve 21 from the third interface pipe C, and flows back to the second water tank 22b through the sixth interface pipe F. In this way, the coolant in the battery heating circuit is heated by the water heater, providing the required heat for the battery and increasing the temperature of the battery, so that when the temperature of the battery is too low, the battery can be heated to ensure that the battery can work under safe temperature conditions.
[0072] As shown in FIG. 1, Figure 4 The air conditioning circuit 16 includes a first expansion valve 161, a second expansion valve 162, an evaporator 163, a condenser 164, a compressor 165, and a gas-liquid separator 167.
[0073] The first expansion valve 161 and the second expansion valve 162 can be used to control the flow and pressure of the refrigerant. The evaporator 163 is used to evaporate the liquid refrigerant to form refrigerant vapor, so as to achieve the purpose of absorbing heat from the surrounding air and reducing the temperature of the air. The compressor 165 is used to compress the refrigerant vapor to increase the pressure and temperature of the refrigerant vapor, and to provide circulating power for the refrigeration system. The condenser 164 is used to convert high-temperature and high-pressure refrigerant vapor into low-temperature and high-pressure liquid refrigerant. The gas-liquid separator 167 is used to store refrigerant and supplement refrigerant to the circuit. The gas-liquid separator 167 also has the function of separating gas and liquid, and can deliver the refrigerant vapor to the compressor 165 to ensure the stable operation of the circuit
[0074] As shown in FIG. 1, Figure 4As shown, the input port of the gas-liquid separator 167 is connected with the fourth port J of the heat exchanger 151 and the output port of the evaporator 163 respectively. The output port of the gas-liquid separator 167 is connected with the input port of the compressor 165. The output port of the compressor 165 is connected with the input port of the condenser 164. The output port of the condenser 164 is connected with the input port of the first expansion valve 161 and the input port of the second expansion valve 162 respectively. The output port of the first expansion valve 161 is connected with the input port of the evaporator 163, and the output port of the second expansion valve 162 is connected with the third port I of the heat exchanger 151.
[0075] In some embodiments, the battery temperature is high, and the natural heat dissipation cannot meet the demand of the battery heat dissipation, so that the battery temperature needs to be reduced by the refrigeration function of the air conditioning circuit.
[0076] The control instruction can include a battery cooling instruction. The battery cooling instruction can be an instruction for simultaneously implementing the battery temperature reduction function, i.e., an instruction for controlling the integrated thermal management system to implement the battery cooling mode in the thermal management mode.
[0077] In one embodiment, the controller 11 is configured to start the compressor 165 and the condenser 164, open the second expansion valve 162, so that the air conditioning circuit is in a refrigeration state, and send a battery cooling instruction to the six-way valve 21 when the battery temperature is higher than a third preset temperature.
[0078] The six-way valve 21 is configured to control the driving mechanism to drive the valve core to rotate according to the battery cooling instruction, connect the first interface pipe A and the second interface pipe B, and connect the third interface pipe C and the fifth interface pipe E, so that the battery circuit 13 is connected with the heat exchange circuit 15, and the heat exchange circuit 15 exchanges heat with the air conditioning circuit 16, forming a battery cooling circuit corresponding to the battery cooling mode.
[0079] The third preset temperature in the embodiments of the present application is higher than the first preset temperature. When the battery temperature is higher than the third preset temperature, it indicates that the battery is in a high-temperature state and needs other devices to assist in cooling. Optionally, the third preset temperature is 50 degrees.
[0080] Specifically, when the controller 11 determines that the battery temperature is higher than the third preset temperature, the controller 11 starts the compressor 165 and the condenser 164, opens the second expansion valve 162, so that the air conditioning circuit 16 is in a refrigeration state, and sends a battery cooling instruction to the six-way valve 21.
[0081] In addition, the controller 11 will also start the first water pump 23a. After receiving the battery cooling command sent by the controller 11, the six-way valve 21 controls the position of the valve core by rotating the drive mechanism, so that the first interface pipe A is connected to the second interface pipe B, and the third interface pipe C is connected to the fifth interface pipe E, so that the output port of the battery circuit 13 is connected to the input port of the heat exchange circuit 15, and the input port of the battery circuit 13 is connected to the output port of the heat exchange circuit 15, forming a battery cooling circuit corresponding to the battery cooling mode.
[0082] In the battery cooling circuit, the first water tank 22a replenishes coolant to the battery circuit 13, and the first water pump 23a drives the coolant to flow in the battery circuit. The coolant flows from the third interface pipe C into the six-way valve 21 and from the fifth interface pipe E into the heat exchange circuit 15. Simultaneously, the gas-liquid separator 167 starts, supplying refrigerant vapor to the compressor 165. The compressor 165 and condenser 164 start, converting the refrigerant vapor into low-temperature liquid refrigerant, and the second expansion valve 162 opens, thereby putting the entire air conditioning circuit 16 into a cooling state. At the same time, the low-temperature liquid refrigerant in the air conditioning circuit 16 flows into the heat exchanger 151 through the second expansion valve 162. In the heat exchanger 151, the low-temperature refrigerant exchanges heat with the coolant, causing the coolant temperature to decrease and the refrigerant temperature to increase. The cooled coolant flows through a section of water pipe into the first interface pipe A and from the second interface pipe B to the battery 131. The coolant flowing through the battery 131 carries away the heat from the battery 131 and flows back to the first water tank 22a. Furthermore, the heated refrigerant flows back from the heat exchanger 151 to the gas-liquid separator 167. In this way, the heat generated by the battery is transferred to the refrigerant in the air conditioning circuit 16 through the heat exchange circuit 15, and is carried away by the refrigerant and discharged into the external environment, thereby achieving battery cooling.
[0083] like Figure 4 As shown, the integrated thermal management system also includes a fan and a blower. Specifically, the radiator 175, condenser 164, and fan are integrated together. The heater core 142, evaporator 163, and blower are also integrated together. This allows for a reduction in system size.
[0084] In one embodiment of this application, the fan (FAN) is used for the exchange of air between the radiator and condenser and the outside air. The blower (BLOW) is used to blow the cold air generated by the evaporator into the passenger compartment, and can also be used to blow the hot air generated by the heater core 142 into the passenger compartment.
[0085] Upon receiving a request for cooling the passenger cabin, the integrated thermal management system cools the passenger cabin through the air conditioning loop 16. In some embodiments, the controller 11 is configured to start the compressor 165, the condenser 164, and the evaporator 163, and open the first expansion valve 161 to put the air conditioning loop 16 in a cooling state upon receiving a request for cooling the passenger cabin. In addition, the controller 11 is configured to start the air blower BLOW.
[0086] Specifically, upon receiving a request for cooling the passenger cabin, the controller 11 controls the refrigerant to sequentially pass through the gas-liquid separator 167, the compressor 165, the condenser 164, the first expansion valve 161, and the evaporator 163 to put the air conditioning loop 16 in a cooling state, and the air blower BLOW to deliver the cold air produced by the air conditioning loop 16 to the passenger cabin to form a passenger cabin cooling loop corresponding to the passenger cabin cooling mode.
[0087] In the passenger cabin cooling loop, the gas-liquid separator 167 is started to deliver refrigerant vapor to the compressor 165, the compressor 165 and the condenser 164 are started to convert the refrigerant vapor into low-temperature liquid refrigerant, and the first expansion valve 161 is opened to allow the liquid refrigerant to flow into the evaporator 163. The evaporator 163 converts the liquid refrigerant into refrigerant vapor by absorbing heat from the air, the refrigerant vapor flows back to the gas-liquid separator 167, and the cold air produced by the evaporator 163 is delivered to the passenger cabin by the air blower BLOW.
[0088] In some embodiments, the control instruction includes a passenger cabin and battery cooling instruction. The passenger cabin and battery cooling instruction can be an instruction for simultaneously implementing the passenger cabin cooling function and the battery cooling function, i.e., an instruction for controlling the integrated thermal management system to implement the passenger cabin and battery cooling mode in the thermal management mode.
[0089] The controller 11 is configured to start the gas-liquid separator 167, the compressor 165, and the condenser 164, and open the first expansion valve 161 and the second expansion valve 162 to put the air conditioning loop in a cooling state, and send a battery cooling instruction to the six-way valve 21 upon receiving a request for cooling the passenger cabin and the battery temperature exceeding the third preset temperature.
[0090] The six-way valve 21 is configured to control the driving mechanism to drive the valve core to rotate, connect the first interface pipe A and the second interface pipe B, and connect the third interface pipe C and the fifth interface pipe E according to the battery cooling instruction, so that the battery loop 13 and the heat exchange loop 15 are connected, and the heat exchange loop 15 and the air conditioning loop 16 are in heat exchange to form a passenger cabin and battery cooling loop corresponding to the passenger cabin and battery cooling mode.
[0091] It should be noted that the cooling principle of the passenger compartment in the passenger compartment and battery cooling loop is the same as that in the aforementioned embodiment, and the cooling principle of the battery in the passenger compartment and battery cooling loop is the same as that in the aforementioned battery cooling loop. For the sake of brevity, it will not be repeated here.
[0092] It should be noted that in the passenger compartment and battery cooling loop, the liquid refrigerant flowing out of the condenser 164 flows to the first expansion valve 161 and the second expansion valve 162 respectively to realize the functions of cooling the passenger compartment and cooling the battery. Among them, the flow rate of the refrigerant flowing into the evaporator 163 and the heat exchanger 151 can be determined by adjusting the valves of the first expansion valve 161 and the second expansion valve 162, so as to determine the cooling degree of the passenger compartment and the cooling degree of the battery respectively.
[0093] As shown in Figure 4 , the motor circuit 17 can include a three-way valve 171, a motor 172, a third water pump 173, a third water tank 174, and a radiator 175.
[0094] The three-way valve 171 includes a seventh interface pipe K, an eighth interface pipe L, and a ninth interface pipe M. The seventh interface pipe K is connected to one port of the motor 172, the other port of the motor 172 is connected to the output port of the third water pump 173, the input port of the third water pump 173 is connected to the output port of the third water tank 174, the input port of the third water tank 174 is connected to the eighth interface pipe L, the eighth interface pipe L is also connected to one port of the radiator 175, and the other port of the radiator 175 is connected to the ninth interface pipe M.
[0095] It should be noted that the components in the motor circuit 17 are connected through water pipes.
[0096] The three-way valve 171 can also include a driving mechanism and a valve core. The working principle of the three-way valve 171 is not specifically limited in the present application.
[0097] The three-way valve 171 is used to connect two interface pipes according to the control instruction to form a heat management circuit corresponding to the heat management mode. Among them, the heat management mode includes but is not limited to the motor cooling mode and the motor non-cooling mode, and the heat management circuit can include but is not limited to the motor cooling circuit and the motor non-cooling circuit.
[0098] In some embodiments, the control instruction includes a motor cooling instruction. The motor cooling instruction can be an instruction for realizing the motor cooling function, that is, an instruction for controlling the integrated heat management system to realize the motor cooling mode in the heat management mode.
[0099] The controller 11 is configured to start the radiator 175 when the motor temperature exceeds the fourth preset temperature, and send a motor cooling instruction to the three-way valve 171.
[0100] The three-way valve 171 is configured to connect the seventh interface pipe K and the ninth interface pipe M according to the motor cooling instruction, so as to form a motor cooling loop corresponding to the motor cooling mode.
[0101] The fourth preset temperature can be set according to the vehicle design, motor characteristics and safety standards, and is a safety threshold of the motor temperature. Optionally, the fourth preset temperature can be 65 degrees.
[0102] In an embodiment of the present application, the controller 11 determines whether the motor temperature exceeds the fourth preset temperature. When the motor temperature exceeds the fourth preset temperature range, the controller 11 starts the radiator 175 and sends a motor cooling instruction to the three-way valve 171.
[0103] In addition, the controller 11 also starts the third water pump 173. After receiving the motor cooling instruction sent by the controller 11, the three-way valve 171 controls the position of the valve core through the rotation of the driving mechanism, the seventh interface pipe K and the ninth interface pipe M are connected, so that one pipe of the motor 172 is connected with one pipe of the radiator 175, and the other pipe of the radiator 175 is connected with the input pipe of the third water tank 174, forming a motor cooling loop corresponding to the motor cooling mode.
[0104] In the motor cooling loop, the third water tank 174 supplies cooling liquid to the loop, and the cooling liquid flows to the motor 172 through the third water pump 173. The cooling liquid flowing through the motor 172 is heated. The heated cooling liquid flows into the three-way valve 171 from the seventh interface pipe K, and flows into the radiator 175 from the ninth interface pipe M. After being cooled by the radiator 175, the temperature of the cooling liquid is reduced, and the cooling liquid flows back to the third water tank 174 through a water pipe. In this way, the cooling liquid circulates in the motor cooling loop, so as to take away the heat of the motor by using the cooling liquid, and to cool the cooling liquid by using the radiator, so as to achieve the purpose of cooling the motor.
[0105] In some embodiments, the control instruction can include a motor non-cooling instruction. The motor non-cooling instruction can be an instruction that the motor temperature is at a normal temperature and does not need additional cooling, that is, an instruction that the controller integrated thermal management system implements the motor non-cooling mode in the thermal management mode.
[0106] The controller 11 is configured to send a motor non-cooling instruction to the three-way valve 171 when the motor temperature does not exceed the fourth preset temperature.
[0107] The three-way valve 171 is configured to connect the seventh interface pipe K and the eighth interface pipe L according to the motor non-cooling instruction, so as to form a motor non-cooling loop corresponding to the motor non-cooling mode.
[0108] In an embodiment of the present application, the controller 11 sends a motor non-cooling instruction to the three-way valve 171 when the motor temperature exceeds the fourth preset temperature.
[0109] In addition, the controller 11 also starts the third water pump 173. After receiving the motor cooling instruction sent by the controller 11, the three-way valve 21 controls the position of the valve core through the rotation of the driving mechanism, the seventh interface pipe K and the eighth interface pipe L are communicated, so that one pipe of the motor 172 is communicated with one pipe of the long water pipe, and the other pipe of the long water pipe is connected with the input pipe of the third water tank 174, forming a motor non-radiation circuit corresponding to the motor non-radiation mode.
[0110] In the motor non-radiation circuit, the third water tank 174 supplements the cooling liquid to the circuit, and the cooling liquid is pressurized to flow to the motor 172 through the third water pump 173. The cooling liquid flows out from the motor 172, flows into the three-way valve 171 from the seventh interface pipe K, and flows into the long water pipe from the eighth interface pipe L, and flows back to the third water tank 174 through the long water pipe. In this way, the cooling liquid circulates in the motor non-radiation circuit, so that the heat generated by the motor 172 during operation is taken away by the circulating cooling liquid, thereby maintaining the normal working temperature of the motor.
[0111] In some embodiments, the integrated thermal management system can further include a plurality of sensors. The plurality of sensors includes a first temperature sensor T1, a second temperature sensor T2, and a third temperature sensor T3. As shown, the first temperature sensor T1 and the second temperature sensor T2 are arranged in the motor circuit 17, and the third temperature sensor T3 is arranged in the battery circuit 13. Figure 4
[0112] In an embodiment of the present application, the first temperature sensor T1 and the second temperature sensor T2 respectively measure the temperature of the motor inlet and outlet. The third temperature sensor T3 measures the temperature of the battery 131 inlet.
[0113] The plurality of sensors can further include a pressure sensor P and a pressure temperature sensor PT. As shown, the pressure sensor P and the pressure temperature sensor PT can be arranged in the air conditioning circuit 16. The pressure sensor P is used to measure the pressure of the refrigerant at the outlet of the compressor, and the pressure temperature sensor PT is used to measure the pressure of the refrigerant at the inlet of the compressor, and also used to measure the temperature of the refrigerant at the inlet of the compressor. Figure 4
[0114] In some embodiments, the thermal management mode is determined by the integrated thermal management system according to whether there is a passenger compartment heating request, the motor temperature and the battery temperature.
[0115] In some embodiments, since the motor circuit 17 is not connected with other circuits in the integrated thermal management system, the integrated thermal management system can realize at least one thermal management system during actual operation, such as simultaneously realizing the motor cooling mode and the battery cooling mode, etc.
[0116] In yet another aspect of the embodiments of the present application, a control method of an integrated thermal management system is provided, which is applied to any of the above-mentioned integrated thermal management systems.
[0117] In yet another aspect of the embodiments of the present application, a vehicle is provided, Figure 5 A structure schematic diagram of a vehicle provided by the embodiments of the present application is shown in FIG. 1. As shown in FIG. 1, the vehicle 50 comprises the integrated thermal management system 51 described above. Figure 5
[0118] It should be understood that the specific features, operations and details described above with respect to the system of the present application can also be applied to the method and the vehicle of the present application similarly, or vice versa. In addition, each step of the method of the present application can be performed by the corresponding component or unit of the device or system of the present application.
[0119] It should be understood that each module / unit of the device of the present application can be implemented in whole or in part by software, hardware, firmware or a combination thereof. Each module / unit can be embedded in a processor of an electronic device in hardware or firmware form, or independent of the processor, or in software form stored in a memory of the electronic device for being invoked by the processor to perform the operation of each module / unit. Each module / unit can be implemented as an independent component or module, or two or more modules / units can be implemented as a single component or module.
[0120] Those skilled in the art can understand that the steps of the method of the present application can be instructed by a computer program to be completed by relevant hardware such as an electronic device or a processor, and the computer program can be stored in a non-transitory computer readable storage medium, which causes the steps of the present application to be performed when executed. According to the circumstances, any reference to a memory, storage or other medium herein can include a non-volatile or volatile memory. Examples of non-volatile memory include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), flash memory, magnetic tape, floppy disk, magneto-optical data storage device, optical data storage device, hard disk, solid state disk, etc. Examples of volatile memory include random access memory (RAM), external cache memory, etc.
[0121] The technical features described above can be combined in any manner. Although not all possible combinations of the technical features are described, any combination of the technical features should be considered to be covered by the present specification, as long as there is no contradiction in such a combination.
[0122] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.
Claims
1. An integrated thermal management system, characterized by, The application relates to a heat management system, comprising: a controller, a six-way valve integrated module, a battery circuit, a heating circuit, a heat exchange circuit and an air conditioning circuit, wherein the six-way valve integrated module is integrated with a six-way valve, two water tanks and two water pumps; the controller is used for generating a control instruction according to a heat management mode, and the control instruction is used for controlling the communication state of the six-way valve integrated module and the heating circuit, the battery circuit and the heat exchange circuit; the two water tanks are respectively a first water tank and a second water tank, and the two water pumps are respectively a first water pump and a second water pump; the first water pump and the first water tank are connected in series in the battery circuit, and the second water pump and the second water tank are connected in series in the heating circuit; the heat exchange circuit comprises a heat exchanger, and the air conditioning circuit and the heat exchange circuit converge at the heat exchanger; the six-way valve comprises six interface pipes, a valve core and a driving mechanism; the six interface pipes are connected with the battery circuit, the heating circuit and the heat exchange circuit respectively; the six interface pipes are respectively a first interface pipe, a second interface pipe, a third interface pipe, a fourth interface pipe, a fifth interface pipe and a sixth interface pipe; the first interface pipe is connected with an input pipe port of the heat exchange circuit; the second interface pipe is connected with an input pipe port of the battery circuit; the third interface pipe is connected with an output pipe port of the battery circuit; the fourth interface pipe is connected with an output pipe port of the heating circuit; the fifth interface pipe is connected with an output pipe port of the heat exchange circuit; the sixth interface pipe is connected with an input pipe port of the heating circuit; the heat exchanger comprises four pipe ports, namely a first pipe port, a second pipe port, a third pipe port and a fourth pipe port; the first pipe port is connected with the first interface pipe, the second pipe port is connected with the fifth interface pipe, the third pipe port is connected with an input pipe port of the air conditioning circuit, and the fourth pipe port is connected with an output pipe port of the air conditioning circuit; the six-way valve is used for controlling the driving mechanism to drive the valve core to rotate according to the control instruction, and is used for connecting at least two target interface pipes in the six interface pipes, so that the pipe ports of target circuits connected with the at least two target interface pipes are communicated, and a heat management circuit corresponding to the heat management mode is formed; the battery circuit comprises a battery, the first water pump and the first water tank are connected in series in the battery circuit, and the battery is connected with the second interface pipe; one pipe port of the battery is connected with an input pipe port of the first water tank, an output pipe port of the first water tank is connected with an input pipe port of the first water pump, and an output pipe port of the first water pump is connected with the third interface pipe; the heating circuit comprises a water heater and a warm air core body, and the second water pump and the second water tank are connected in series in the heating circuit. 2. The system of claim 1, wherein, 3. The system of claim 1, wherein, The input port of the second water tank is connected with the sixth interface pipe, the output port of the second water tank is connected with the input port of the second water pump, the output port of the second water pump is connected with one port of the instant water heater, the other port of the instant water heater is connected with one port of the warm air core, and the other port of the warm air core is connected with the fourth interface pipe.
4. The system of claim 3, wherein, The control instruction comprises a first passenger cabin heating instruction and a second passenger cabin heating instruction, The controller is configured to, in response to receiving a passenger cabin heating request and the battery temperature being below a first preset temperature, start the warm air core and the instant water heater to make the heating circuit in a heating and warm air state, and send the first passenger cabin heating instruction to the six-way valve. The six-way valve is configured to, in response to the first passenger cabin heating instruction, control the drive mechanism to drive the valve core to rotate to connect the fourth interface pipe and the sixth interface pipe to make the heating circuit connected, and form a first passenger cabin heating circuit corresponding to a first passenger cabin heating mode, or The controller is configured to, in response to receiving a passenger cabin heating request and the battery temperature being above the first preset temperature, start the warm air core to make the heating circuit in a warm air state, and send the second passenger cabin heating instruction to the six-way valve. The six-way valve is configured to, in response to the second passenger cabin heating instruction, control the drive mechanism to drive the valve core to rotate to connect the third interface pipe and the sixth interface pipe, and connect the second interface pipe and the fourth interface pipe to make the battery circuit and the heating circuit connected, and form a second passenger cabin heating circuit corresponding to a second passenger cabin heating mode, so as to heat the passenger cabin by using the battery waste heat.
5. The system of claim 3, wherein, The control instruction comprises a passenger cabin and battery heating instruction, The controller is configured to, in response to receiving a passenger cabin heating request and the battery temperature being below a second preset temperature, start the warm air core and the instant water heater to make the heating circuit in a heating and warm air state, and send the passenger cabin and battery heating instruction to the six-way valve. The six-way valve is configured to, in response to the passenger cabin and battery heating instruction, control the drive mechanism to drive the valve core to rotate to connect the third interface pipe and the sixth interface pipe, and connect the second interface pipe and the fourth interface pipe to make the heating circuit and the battery circuit connected, and form a passenger cabin and battery heating circuit corresponding to a passenger cabin and battery heating mode.
6. The system of claim 3, wherein, The control instruction comprises a battery non-cooling instruction; The controller is configured to, in response to the battery temperature being in a preset temperature range, send the battery non-cooling instruction to the six-way valve. The six-way valve is configured to, in response to the battery non-cooling instruction, control the drive mechanism to drive the valve core to rotate to connect the second interface pipe and the third interface pipe to make the battery circuit connected, and form a battery non-cooling circuit corresponding to a battery non-cooling mode.
7. The system of claim 3, wherein, The control instruction comprises a battery heating instruction; The controller is configured to, in response to the battery temperature being below a second preset temperature, start the instant water heater to make the heating circuit in a heating state, and send the battery heating instruction to the six-way valve. The six-way valve is configured to control the drive mechanism to drive the valve core to rotate according to the battery heating instruction, to connect the third interface pipe and the sixth interface pipe, and to connect the second interface pipe and the fourth interface pipe, so that the battery loop is connected with the heating loop, and a battery heating loop corresponding to a battery heating mode is formed.
8. The system of claim 1, wherein, The air conditioning loop comprises a first expansion valve, a second expansion valve, an evaporator, a condenser, a compressor and a gas-liquid separator. The input pipe of the gas-liquid separator is connected with the third pipe of the heat exchanger and the output pipe of the evaporator respectively, the output pipe of the gas-liquid separator is connected with the input pipe of the compressor, the output pipe of the compressor is connected with the input pipe of the condenser, the output pipe of the condenser is connected with the input pipe of the first expansion valve and the input pipe of the second expansion valve respectively, the output pipe of the first expansion valve is connected with the input pipe of the evaporator, and the output pipe of the second expansion valve is connected with the fourth pipe of the heat exchanger.
9. The system of claim 8, wherein, The control instruction comprises a battery cooling instruction. The controller is configured to start the compressor and the condenser, open the second expansion valve, and send the battery cooling instruction to the six-way valve when the battery temperature is higher than a third preset temperature, so that the air conditioning loop is in a refrigeration state. The six-way valve is configured to control the drive mechanism to drive the valve core to rotate according to the battery cooling instruction, to connect the first interface pipe and the second interface pipe, and to connect the third interface pipe and the fifth interface pipe, so that the battery loop is connected with the heat exchange loop, and the heat exchange loop exchanges heat with the air conditioning loop, and a battery cooling loop corresponding to a battery cooling mode is formed.
10. The system of any one of claims 1 to 9, wherein, The motor loop comprises a three-way valve, a motor, a third water pump, a third water tank and a radiator. The three-way valve comprises a seventh interface pipe, an eighth interface pipe and a ninth interface pipe, the seventh interface pipe is connected with one pipe of the motor, the other pipe of the motor is connected with the output pipe of the third water pump, the input pipe of the third water pump is connected with the output pipe of the third water tank, the input pipe of the third water tank is connected with the eighth interface pipe, the eighth interface pipe is further connected with one pipe of the radiator, and the other pipe of the radiator is connected with the ninth interface pipe. The three-way valve is configured to connect two interface pipes according to the control instruction, and form a thermal management loop corresponding to a thermal management mode.
11. The system of claim 10, wherein, The control instruction comprises a motor cooling instruction, The controller is configured to start the radiator and send the motor cooling instruction to the three-way valve when the motor temperature exceeds a fourth preset temperature. The three-way valve is configured to connect the seventh interface pipe and the ninth interface pipe according to the motor cooling instruction, and form a motor cooling loop corresponding to a motor cooling mode.
12. The system of claim 10, wherein, The control instruction comprises a motor non-cooling instruction, The three-way valve is configured to connect the seventh interface pipe and the eighth interface pipe according to the motor non-cooling instruction, and form a motor non-cooling loop corresponding to a motor non-cooling mode.
13. A control method of an integrated thermal management system, characterized by, The integrated thermal management system is applied to the integrated thermal management system of any one of claims 1 to 12.
14. A vehicle characterized by comprising: An integrated thermal management system comprising any of claims 1 to 12. An integrated thermal management system comprising any of claims 1 to 12.
Citation Information
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Vehicle thermal management control method and device, electronic equipment and storage medium
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