An integrated thermal management system for an electric vehicle refrigerator on board
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI YINLUN HEAT EXCHANGE SYST CO LTD
- Filing Date
- 2025-07-31
- Publication Date
- 2026-06-02
AI Technical Summary
In existing technologies, vehicle-mounted refrigerators require a separate vapor compression refrigeration system, which results in high costs and space occupation, and semiconductor refrigeration has low efficiency and is greatly affected by the environment.
Design an integrated thermal management system for an electric vehicle-mounted refrigerator. The system forms a cooling and heating circuit through components such as a water-cooled condenser, a refrigerator radiator, a refrigerator water cooler, a cold air core, and a warm air core. It also utilizes multi-way valves and three-way valves to achieve energy distribution for different loads and includes a cold and heat storage module to optimize energy utilization.
Cooling and heating can be achieved without adding a vehicle refrigerator compressor. The cold and heat storage module can still provide cooling and heating when the cold air core and the warm air core are not running, maximizing energy utilization, reducing costs and saving space.
Smart Images
Figure CN224311552U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of automotive thermal management, and in particular to an integrated thermal management system for an electric vehicle-mounted refrigerator. Background Technology
[0002] The electric vehicle market is developing rapidly, and integrated thermal management solutions for battery packs, motors, electronic controls, and air conditioning are becoming increasingly common. Heat dissipation and cooling of these three loads are the primary focus of current automotive thermal management. However, with the upgrading and increasing sophistication of automotive interior facilities, in-vehicle refrigerators are also gradually being added to the list of managed loads. For in-vehicle refrigerators, the industry's main solution is a separate system independent of the thermal management system, generally employing semiconductor refrigeration or a separate vapor compression refrigeration system. Semiconductor refrigeration is highly susceptible to environmental influences and has low efficiency, while independent compression refrigeration requires an additional refrigeration system, which is not only costly but also occupies valuable vehicle installation space.
[0003] Therefore, those skilled in the art need to design an integrated thermal management system for vehicle-mounted refrigerators to solve the problem that vehicle-mounted refrigerators require a separate vapor compression refrigeration system. Utility Model Content
[0004] To solve the above-mentioned technical problems, this utility model provides an integrated thermal management system for an electric vehicle refrigerator, including a water-cooled condenser, a first electronic water pump, an electric vehicle refrigerator, a refrigerator radiator, a refrigerator water cooler, a refrigerator fan, a cold air core, a warm air core, a cooler, and a second electronic water pump. The refrigerator radiator and refrigerator water cooler are provided at the air inlet and air outlet of the electric vehicle refrigerator. The refrigerator fan is configured to blow the hot air emitted by the refrigerator radiator into the interior of the electric vehicle refrigerator and to blow the heat inside the electric vehicle refrigerator into the refrigerator water cooler.
[0005] The cooler, refrigerator water cooler, cold air core and second electronic water pump are connected to form a vehicle refrigerator refrigeration circuit; the water-cooled condenser, warm air core, refrigerator radiator and first electronic water pump are connected to form a vehicle refrigerator heating circuit.
[0006] Furthermore, the thermal management system also includes a blower configured to deliver cooled / heated air from the cold air core / warm air core into the passenger compartment.
[0007] Furthermore, the vehicle refrigerator is equipped with a cold and heat storage module, which is configured to store cold and heat while the vehicle refrigerator's cooling circuit / heating circuit is cooling / heating the interior space of the vehicle refrigerator.
[0008] Furthermore, the thermal management system also includes a multi-port valve, which includes a first valve port, a second valve port, a third valve port, a fourth valve port, a fifth valve port, a sixth valve port, a seventh valve port, an eighth valve port, and a ninth valve port.
[0009] Furthermore, the thermal management system also includes a first three-way valve, which includes a first interface, a second interface, and a third interface. The first interface is connected to the outlet of the water-cooled condenser, the second interface is connected to the fourth valve port of the multi-way valve, and the third interface is connected to the inlet of the heater core.
[0010] Furthermore, the thermal management system also includes a second three-way valve, which includes a fourth port, a fifth port, and a sixth port. The fourth port is connected to the outlet of the cooler, the fifth port is connected to the inlet of the refrigerator water cooler, and the sixth port is connected to the fifth valve port of the multi-way valve.
[0011] Furthermore, the thermal management system also includes a water heater, which is disposed between the first interface and the outlet of the water-cooled condenser.
[0012] Furthermore, the thermal management system also includes a third electronic water pump, a battery pack, and a one-way valve. The inlet of the third electronic water pump is connected to the ninth valve port of the multi-way valve and the one-way valve, respectively. The outlet of the third electronic water pump is connected to the inlet of the battery pack. The outlet of the battery pack is connected to the one-way valve and the first valve port of the multi-way valve, respectively. The one-way valve is configured to mix the water outlet of the battery pack with the water inlet of the multi-way valve to adjust the water temperature entering the inlet of the battery pack.
[0013] Furthermore, the thermal management system also includes a radiator, a cooling fan, and a motor / electrical device. The cooling fan is located on one side of the radiator. The seventh valve port of the multi-way valve is connected to the water inlet of the radiator. The water outlet of the radiator and the sixth valve port of the multi-way valve are respectively connected to the water inlet of the motor / electrical device. The water outlet of the motor / electrical device is connected to the eighth valve port of the multi-way valve.
[0014] Furthermore, the multi-way valve has at least three connection modes.
[0015] In the first connection mode, the first valve port is connected to the second valve port, the third valve port is connected to the eighth valve port, the fourth valve port is connected to the seventh valve port, and the fifth valve port is connected to the ninth valve port.
[0016] The second connection mode is that the first valve port is connected to the third valve port, the second valve port is connected to the eighth valve port, the fourth valve port is connected to the ninth valve port, and the fifth valve port is connected to the seventh valve port.
[0017] The third connection mode is that the first valve port is connected to the third valve port, the second valve port is connected to the eighth valve port, the fourth valve port is connected to the ninth valve port, and the fifth valve port is connected to the sixth valve port.
[0018] This utility model has the following beneficial effects:
[0019] (1) This utility model integrates the refrigerator water cooler and refrigerator radiator into the secondary circuit thermal management system of the vehicle, so that the vehicle refrigerator can be cooled and heated without the need to add a vehicle refrigerator compressor.
[0020] (2) The vehicle refrigerator in this utility model is equipped with a cold and heat storage block, which can still provide cold and heat when the cold air core and the warm air core are not running.
[0021] (3) This utility model can connect different pipelines according to the ambient temperature, passenger compartment, battery pack and vehicle refrigerator thermal management requirements to maximize energy utilization. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the thermal management system of this utility model.
[0023] Figure 2 This is a schematic diagram of the connection mode of the multi-way valve in this utility model.
[0024] Figure 3 This is a schematic diagram of the second connection mode of the multi-way valve in this utility model.
[0025] Figure 4 This is a schematic diagram of the connection mode three of the multi-way valve in this utility model.
[0026] Figure 5 This is a schematic diagram of the thermal management system under working condition one in this utility model.
[0027] Figure 6 This is a schematic diagram of the thermal management system under working condition two in this utility model.
[0028] Figure 7 This is a schematic diagram of the thermal management system under working condition three in this utility model.
[0029] Figure 8 This is a schematic diagram of the thermal management system under working condition four in this utility model.
[0030] Figure 9 This is a schematic diagram of the thermal management system under working condition five in this utility model.
[0031] Figure 10 This is a schematic diagram of the thermal management system under working condition six in this utility model.
[0032] Figure 11 This is a schematic diagram of the thermal management system under working condition seven in this utility model.
[0033] Figure 12 This is a schematic diagram of the thermal management system under working condition eight in this utility model.
[0034] Figure 13 This is a schematic diagram of the thermal management system for operating condition nine in this utility model. Detailed Implementation
[0035] The technical solution of this utility model will be further described in detail below with reference to specific embodiments. However, this embodiment is not intended to limit this utility model. Any similar structure or similar variation of this utility model should be included in the protection scope of this utility model. The commas in this utility model all indicate the relationship between and. The English letters in this utility model are case-sensitive.
[0036] like Figure 1 As shown, this utility model provides an integrated thermal management system for an electric vehicle-mounted refrigerator, including a water-cooled condenser 1, a first electronic water pump 2, an on-board refrigerator 3, a refrigerator radiator 4, a refrigerator water cooler 5, a refrigerator fan 6, a cold air core 7, a warm air core 8, a cooler 9, a second electronic water pump 10, a blower 11, a multi-way valve 12, a first three-way valve 13, a second three-way valve 14, a water heater 15, a third electronic water pump 16, a battery pack 17, a one-way valve 18, a radiator 19, a cooling fan 20, and a motor / electrical components 21; the on-board refrigerator 3 is equipped with a cold and heat storage module 31, configured to... The vehicle refrigerator's cooling / heating circuit simultaneously cools / heats the interior space of the vehicle refrigerator and stores cold and heat. The vehicle refrigerator 3 has a refrigerator radiator 4 and a refrigerator water cooler 5 at its air inlet 32 and air outlet 33. The refrigerator fan 6 is configured to blow hot air emitted from the refrigerator radiator 4 into the interior of the vehicle refrigerator 3 and to blow heat from inside the vehicle refrigerator 3 into the refrigerator water cooler 5. The blower 11 is configured to deliver cooled / heated air from the cold air core 7 / warm air core 8 into the passenger compartment. The water heater 15 is located between the first interface and the outlet of the water-cooled condenser 1. The cooling fan is located on one side of the radiator.
[0037] The cooler 9, refrigerator water cooler 5, cold air core 7 and the second electronic water pump 10 are connected to form a vehicle refrigerator refrigeration circuit; the water-cooled condenser 1, warm air core 8, refrigerator radiator 4 and the first electronic water pump 2 are connected to form a vehicle refrigerator heating circuit.
[0038] The multi-port valve 12 includes a first valve port 121, a second valve port 122, a third valve port 123, a fourth valve port 124, a fifth valve port 125, a sixth valve port 126, a seventh valve port 127, an eighth valve port 128, and a ninth valve port 129.
[0039] The first three-way valve 13 includes a first port 131, a second port 132 and a third port 133. The first port 131 is connected to the outlet of the water-cooled condenser 1, the second port 132 is connected to the fourth port 124 of the multi-way valve 12, and the third port 133 is connected to the inlet of the heater core 8.
[0040] The second three-way valve 14 includes a fourth port 141, a fifth port 142, and a sixth port 143. The fourth port 141 is connected to the outlet of the cooler 9, the fifth port 142 is connected to the inlet of the refrigerator water cooler 5, and the sixth port 143 is connected to the fifth valve port 125 of the multi-way valve 12.
[0041] The inlet of the third electronic water pump 16 is connected to the ninth valve port 129 of the multi-way valve 12 and the one-way valve 18, respectively. The outlet of the third electronic water pump 16 is connected to the inlet of the battery pack 17. The outlet of the battery pack 17 is connected to the one-way valve 18 and the first valve port 121 of the multi-way valve 12, respectively. The one-way valve 18 is configured to mix the water outlet of the battery pack 17 with the water inlet of the multi-way valve 12 to adjust the water temperature entering the inlet of the battery pack 17. The seventh valve port 127 of the multi-way valve 12 is connected to the inlet of the radiator 19. The outlet of the radiator 19 and the sixth valve port 126 of the multi-way valve 12 are connected to the inlet of the motor / electrical component 21, respectively. The outlet of the motor / electrical component 21 is connected to the eighth valve port of the multi-way valve.
[0042] Preferably, the multi-way valve 12 has at least three connection modes, specifically:
[0043] like Figure 2 As shown, in the first connection mode, the first valve port 121 is connected to the second valve port 122, the third valve port 123 is connected to the eighth valve port 128, the fourth valve port 124 is connected to the seventh valve port 127, and the fifth valve port 125 is connected to the ninth valve port 129.
[0044] like Figure 3 As shown, in the second connection mode, the first valve port 121 is connected to the third valve port 123, the second valve port 122 is connected to the eighth valve port 128, the fourth valve port 124 is connected to the ninth valve port 129, and the fifth valve port 125 is connected to the seventh valve port 127.
[0045] like Figure 4 As shown, in the third connection mode, the first valve port 121 is connected to the third valve port 123, the second valve port 122 is connected to the eighth valve port 128, the fourth valve port 124 is connected to the ninth valve port 129, and the fifth valve port 125 is connected to the sixth valve port 126.
[0046] like Figure 5 As shown, in operating condition one, with an ambient temperature of 25℃ or higher, both the passenger compartment and the onboard refrigerator 3 require cooling. The connection method of the thermal management system is as follows:
[0047] The multi-way valve 12 is connected in mode one. The first port 131 of the first three-way valve 13 is connected to the second port 132, and the fourth port 141 of the second three-way valve 14 is connected to the fifth port 142. Under the action of the second electronic water pump 10, the water outlet of the cooler 9 flows through the fourth port 141 and the fifth port 142 of the second three-way valve 14 to the refrigerator water cooler 5 and the cold air core 7. The refrigerator fan 6 blows the heat inside the vehicle refrigerator 3 into the refrigerator water cooler 5. The cold water passes through the refrigerator water cooler 5 and removes the heat, thus cooling the interior space of the vehicle refrigerator 3. At this time, the cold and heat storage module 31 stores cold water; the cold water from the refrigerator water cooler 5 cools the passenger compartment through the cold air core 7 and the blower 11, and finally flows into the cooler 9; under the action of the first electronic water pump 2, the hot water from the water-cooled condenser 1 flows to the radiator 19 and the motor / electrical device 21 through the first port 131 and the second port 132 of the first three-way valve 13 and the fourth valve port 124 and the seventh valve port 127 of the multi-way valve 12, and finally returns to the water-cooled condenser 1 through the third valve port 123 and the eighth valve port 128 of the multi-way valve 12.
[0048] like Figure 6 As shown, in operating condition two, when the ambient temperature is 25℃ or above and only the vehicle-mounted refrigerator 3 needs cooling, the connection method of the thermal management system is as follows:
[0049] The multi-way valve 12 is connected in mode one. The first port 131 of the first three-way valve 13 is connected to the second port 132, and the fourth port 141 of the second three-way valve 14 is connected to the fifth port 142. Under the action of the second electronic water pump 10, the water outlet of the cooler 9 flows through the fourth port 141 and the fifth port 142 of the second three-way valve 14 to the refrigerator water cooler 5 and the cold air core 7. The refrigerator fan 6 blows the heat inside the vehicle refrigerator 3 into the refrigerator water cooler 5. The cold water passes through the refrigerator water cooler 5 and removes the heat, making the inside of the vehicle refrigerator 3 more airy. During intermittent cooling, the cold and heat storage module 31 stores cold water; the cold water from the refrigerator water cooler 5 returns to the cooler 9 through the cold air core 7, and the blower 11 does not work during this process; under the action of the first electronic water pump 2, the hot water from the water-cooled condenser 1 flows to the radiator 19 and the motor / electrical component 21 through the first port 131 and the second port 132 of the first three-way valve 13 and the fourth valve port 124 and the seventh valve port 127 of the multi-way valve 12, and finally returns to the water-cooled condenser 1 through the third valve port 123 and the eighth valve port 128 of the multi-way valve 12.
[0050] like Figure 7As shown, in operating condition three, with an ambient temperature of 25℃ or above, the passenger compartment has no cooling requirement, but battery pack 12 and the onboard refrigerator both require cooling. The connection method of the thermal management system is as follows:
[0051] The multi-way valve 12 is connected in mode one. The first port 131 of the first three-way valve 13 is connected to the second port 132. The fourth port 141 of the second three-way valve 14 is connected to the fifth port 142 and the sixth port 143. Under the action of the second electronic water pump 10, the water outlet of the cooler 9 flows through the fourth port 141 and the fifth port 142 of the second three-way valve 14 to the refrigerator water cooler 5 and the cold air core 7. The refrigerator fan 6 blows the heat inside the vehicle refrigerator 3 into the refrigerator water cooler 5. The cold water passes through the refrigerator water cooler 5 and carries away the heat, thus cooling the interior space of the vehicle refrigerator 3. The cold and heat storage module 31 stores cold at this time. The cold water from the refrigerator water cooler 5 returns to the cooler 9 through the cold air core 7. During this process, the blower 11 does not work. The water outlet of the cooler 9 passes through the fourth port 141 of the second three-way valve 14. The sixth interface 143, the fifth valve port 125 and the ninth valve port 129 of the multi-way valve 12 flow towards the water inlet of the battery pack 17. At the water inlet of the battery pack 17, the water flow from the outlet of the battery pack 17 to the water inlet of the battery pack 17 is controlled by the single-way valve 18, thereby controlling the temperature of the water flowing through the battery pack 17. The water outlet of the battery pack 17 returns the water to the cooler 9 through the first valve port 121 and the second valve port 122 of the multi-way valve 12. Under the action of the first electronic water pump 2, the hot water from the water-cooled condenser 1 flows to the radiator 19 and the motor / electrical component 21 through the first interface 131 and the second interface 132 of the first three-way valve 13 and the fourth valve port 124 and the seventh valve port 127 of the multi-way valve 12. Finally, it returns to the water-cooled condenser through the third valve port 123 and the eighth valve port 128 of the multi-way valve 12.
[0052] like Figure 8 As shown, in operating condition four, with an ambient temperature of -15℃ or above, the passenger compartment requires heating, and the onboard refrigerator 3 also requires heating. The connection method of the thermal management system is as follows:
[0053] The multi-way valve 12 is connected in mode two. The first port 131 of the first three-way valve 13 is connected to the third port 132, and the fourth port 141 of the second three-way valve 14 is connected to the sixth port 143. Under the action of the second electronic water pump 10, the water outlet of the cooler 9 flows through the fourth port 141 and the sixth port 143 of the second three-way valve 14, and the fifth valve port 125 and the seventh valve port 127 of the multi-way valve 12, towards the radiator 19 and the motor / electrical component 21, absorbing heat from the air and the motor / electrical component 21. Then, the absorbed heat... Water returns to the inlet of the cooler 9 through the eighth valve port 128 and the second valve port 122 of the multi-way valve 12; hot water from the water-cooled condenser 1 flows to the heater core 8 and the refrigerator radiator 4 through the first port 131 and the third port 133 of the first three-way valve 13. The hot water heats the passenger compartment through the heater core 8 and the blower 11. The hot water from the heater core 8 passes through the refrigerator radiator 4 and is blown into the vehicle refrigerator 3 by the refrigerator fan 6 to heat it. At this time, the cold and heat storage block 31 stores heat. Finally, it flows into the inlet of the water-cooled condenser 1.
[0054] like Figure 9 As shown, in operating condition 5, with an ambient temperature below -15℃, the passenger compartment requires heating, and the onboard refrigerator 3 also requires heating. The connection method of the thermal management system is as follows:
[0055] The multi-way valve 12 is connected in mode three. The first port 131 of the first three-way valve 13 is connected to the third port 133, and the fourth port 141 of the second three-way valve 14 is connected to the sixth port 143. Under the action of the second electronic water pump 10, the water outlet of the cooler 9 flows towards the motor / electrical device 21 through the fourth port 141 and the sixth port 143 of the second three-way valve 14 and the fifth valve port 125 and the sixth valve port 126 of the multi-way valve 12, absorbing the heat of the motor / electrical device 21. Then, the water that has absorbed the heat is passed through the multi-way valve 12. The eighth valve port 128 and the second valve port 122 of the through valve 12 return to the inlet of the cooler 9; the hot water from the water-cooled condenser 1 flows to the heater core 8 and the refrigerator radiator 4 through the first port 131 and the third port 133 of the first three-way valve 13. The hot water heats the passenger compartment through the heater core 8 and the blower 11. The hot water from the heater core 8 passes through the refrigerator radiator 4 and is blown into the vehicle refrigerator 3 by the refrigerator fan 6 to heat it. At this time, the cold and heat storage block 31 stores heat. Finally, it flows into the inlet of the water-cooled condenser 1.
[0056] like Figure 10 As shown, in operating condition six, with an ambient temperature of -15℃ or above, the passenger compartment has no heating requirement, while the onboard refrigerator 3 has a heating requirement. The connection method of the thermal management system is as follows:
[0057] The multi-way valve 12 is connected in mode two. The first port 131 of the first three-way valve 13 is connected to the third port 133, and the fourth port 141 of the second three-way valve 14 is connected to the sixth port 143. Under the action of the second electronic water pump 10, the water outlet of the cooler 9 flows towards the radiator 19 and the motor / electrical device 21 through the fourth port 141 and the sixth port 143 of the second three-way valve 14 and the fifth valve port 125 and the seventh valve port 127 of the multi-way valve 12, absorbing heat from the air and the motor / electrical device 21. The water that has absorbed heat returns to the inlet of the cooler 9 through the eighth valve port 128 and the second valve port 122 of the multi-way valve 12; the hot water from the water-cooled condenser 1 flows to the heater core 8 and the refrigerator radiator 4 through the first port 131 and the third port 133 of the first three-way valve 13. At this time, the blower 11 does not work, and the hot water from the heater core 8 passes through the refrigerator radiator 4. The refrigerator fan 6 blows hot air into the interior of the vehicle refrigerator 3 to heat it. At this time, the cold and heat storage block 31 stores heat. Finally, it flows into the inlet of the water-cooled condenser 1.
[0058] like Figure 11 As shown, in operating condition seven, with an ambient temperature of -15℃ or above, the passenger compartment has no heating requirement, while the onboard refrigerator 3 has a heating requirement. The connection method of the thermal management system is as follows:
[0059] The multi-way valve 12 is connected in mode three. The first port 131 and the third port 133 of the first three-way valve 13 are connected, and the fourth port 141 and the sixth port 143 of the second three-way valve 14 are also connected. Under the action of the second electronic water pump 10, the water outlet of the cooler 9 flows towards the motor / electrical device 21 through the fourth port 141 and the sixth port 143 of the second three-way valve 14 and the fifth valve port 125 and the sixth valve port 126 of the multi-way valve 12, absorbing the heat from the motor / electrical device 21, and then dissipating the absorbed heat. A certain amount of water returns to the inlet of the cooler 9 through the eighth valve port 128 and the second valve port 122 of the multi-way valve 12; the hot water from the water-cooled condenser 1 flows to the heater core 8 and the refrigerator radiator 4 through the first port 131 and the third port 133 of the first three-way valve 13. At this time, the blower 11 does not work. The hot water from the heater core 8 passes through the refrigerator radiator 4 and is blown into the vehicle refrigerator 3 by the refrigerator fan 6 to heat it. At this time, the cold and heat storage block 31 stores heat. Finally, it flows into the inlet of the water-cooled condenser 1.
[0060] like Figure 12 As shown, under operating condition eight, with an ambient temperature of -15℃ or above, the passenger compartment has no heating requirement, while battery pack 17 and onboard refrigerator 3 have heating requirements. The connection method of the thermal management system is as follows:
[0061] The multi-way valve 12 is connected in mode two. The first port 131 of the first three-way valve 13 is connected to the second port 132 and the third port 133. The fourth port 141 of the second three-way valve 14 is connected to the sixth port 143. Under the action of the second electronic water pump 10, the water outlet of the cooler 9 flows towards the radiator 19 and the motor / electrical device 21 through the fourth port 141 and the sixth port 143 of the second three-way valve 14 and the fifth valve port 125 and the seventh valve port 127 of the multi-way valve 12, absorbing heat from the air and the motor / electrical device 21. Then, the water that has absorbed heat returns to the inlet of the cooler 9 through the eighth valve port 128 and the second valve port 122 of the multi-way valve 12. The hot water from the water-cooled condenser 1 dissipates heat to the heater core 8 and the refrigerator through the first port 131 and the third port 133 of the first three-way valve 13. When the flow is in the device 4, the blower 11 is not working. The hot water from the heater core 8 passes through the refrigerator radiator 4 and is blown into the vehicle refrigerator 3 by the refrigerator fan 6 to heat it. At this time, the cold and heat storage block 31 stores heat and returns the water to the inlet of the water-cooled condenser 1. The hot water from the water-cooled condenser 1 flows to the inlet of the battery pack 17 through the first port 131 and the second port 132 of the first three-way valve 13 and the fourth port 124 and the ninth port 129 of the multi-way valve 12. At the inlet of the battery pack 17, the water flow from the outlet of the battery pack 17 to the inlet of the battery pack 17 is controlled by the single-way valve 18 to ensure that the water temperature of the battery pack 17 does not exceed 50 degrees. The water from the outlet of the battery pack 17 returns to the inlet of the water-cooled condenser 1 through the first port 121 and the third port 123 of the multi-way valve 12.
[0062] like Figure 13 As shown, in operating condition nine, with an ambient temperature of -15℃ or above, the passenger compartment has no heating requirement, while battery pack 17 and onboard refrigerator 3 have heating requirements. The connection method of the thermal management system is as follows:
[0063] The multi-way valve 12 is connected in mode three. The first port 131 of the first three-way valve 13 is connected to the second port 132 and the third port 133. The fourth port 141 of the second three-way valve 14 is connected to the sixth port 143. Under the action of the second electronic water pump 10, the water outlet of the cooler 9 flows towards the motor / electrical device 21 through the fourth port 141 and the sixth port 143 of the second three-way valve 14 and the fifth valve port 125 and the sixth valve port 126 of the multi-way valve 12, absorbing the heat from the motor / electrical device 21. Then, the water that has absorbed the heat returns to the inlet of the cooler 9 through the eighth valve port 128 and the second valve port 122 of the multi-way valve 12. The hot water from the water-cooled condenser 1 flows towards the heater core 8 and the refrigerator radiator 4 through the first port 131 and the third port 133 of the first three-way valve 13. At this time, the blower 11 is not working. The hot water from the heater core 8 passes through the refrigerator radiator 4 and is blown into the vehicle refrigerator 3 by the refrigerator fan 6 to heat it. At this time, the heat storage block 31 stores heat and finally flows into the inlet of the water-cooled condenser 1. The hot water from the water-cooled condenser 1 flows to the inlet of the battery pack 17 through the first port 131 and the second port 132 of the first three-way valve 13 and the fourth port 124 and the ninth port 129 of the multi-way valve 12. At the inlet of the battery pack 17, the water flow from the outlet of the battery pack 17 to the inlet of the battery pack 17 is controlled by the single-way valve 18 to ensure that the water temperature of the battery pack 17 does not exceed 50 degrees. The outlet of the battery pack 17 returns the water to the inlet of the water-cooled condenser 1 through the first port 121 and the third port 123 of the multi-way valve 12.
[0064] This invention integrates the refrigerator water cooler 5 and refrigerator radiator 4 into the vehicle's secondary circuit thermal management system, achieving cooling and heating of the vehicle refrigerator without the need for an additional on-board refrigerator compressor. The on-board refrigerator 3 is equipped with a cold and heat storage block 31, which can still provide cooling and heating even when the cold air core 7 and the warm air core 8 are not running. Different pipelines can be connected according to the ambient temperature, passenger compartment, battery pack, and on-board refrigerator thermal management requirements to maximize energy utilization.
[0065] Although preferred embodiments of this application have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of this application.
Claims
1. An integrated thermal management system for an electric vehicle-mounted refrigerator, characterized in that, The system includes a water-cooled condenser, a first electronic water pump, a vehicle refrigerator, a refrigerator radiator, a refrigerator water cooler, a refrigerator fan, a cold air core, a warm air core, a cooler, and a second electronic water pump. The vehicle refrigerator is equipped with a refrigerator radiator and a refrigerator water cooler at its air inlet and air outlet. The refrigerator fan is configured to blow hot air emitted by the refrigerator radiator into the vehicle refrigerator and to blow heat from inside the vehicle refrigerator into the refrigerator water cooler. The cooler, refrigerator water cooler, cold air core and second electronic water pump are connected to form a vehicle refrigerator refrigeration circuit; the water-cooled condenser, warm air core, refrigerator radiator and first electronic water pump are connected to form a vehicle refrigerator heating circuit.
2. The integrated thermal management system for an electric vehicle-mounted refrigerator according to claim 1, characterized in that, The thermal management system also includes a blower configured to deliver cooled / heated air from the cold / warm core into the passenger compartment.
3. The integrated thermal management system for an electric vehicle-mounted refrigerator according to claim 1, characterized in that, The vehicle refrigerator is equipped with a cold and heat storage module, which is configured to store cold and heat while the vehicle refrigerator's cooling circuit / heating circuit is cooling / heating the interior space of the vehicle refrigerator.
4. The integrated thermal management system for an electric vehicle-mounted refrigerator according to claim 1, characterized in that, The thermal management system also includes a multi-port valve, which includes a first valve port, a second valve port, a third valve port, a fourth valve port, a fifth valve port, a sixth valve port, a seventh valve port, an eighth valve port, and a ninth valve port.
5. The integrated thermal management system for an electric vehicle-mounted refrigerator according to claim 4, characterized in that, The thermal management system further includes a first three-way valve, which includes a first interface, a second interface, and a third interface. The first interface is connected to the outlet of the water-cooled condenser, the second interface is connected to the fourth valve port of the multi-way valve, and the third interface is connected to the inlet of the heater core.
6. The integrated thermal management system for an electric vehicle-mounted refrigerator according to claim 5, characterized in that, The thermal management system also includes a second three-way valve, which has a fourth port, a fifth port and a sixth port. The fourth port is connected to the outlet of the cooler, the fifth port is connected to the inlet of the refrigerator water cooler, and the sixth port is connected to the fifth valve port of the multi-way valve.
7. The integrated thermal management system for an electric vehicle-mounted refrigerator according to claim 6, characterized in that, The thermal management system also includes a water heater, which is disposed between the first interface and the outlet of the water-cooled condenser.
8. The integrated thermal management system for an electric vehicle-mounted refrigerator according to claim 5, characterized in that, The thermal management system also includes a third electronic water pump, a battery pack, and a one-way valve. The inlet of the third electronic water pump is connected to the ninth valve port of the multi-way valve and the one-way valve, respectively. The outlet of the third electronic water pump is connected to the inlet of the battery pack. The outlet of the battery pack is connected to the one-way valve and the first valve port of the multi-way valve, respectively. The one-way valve is configured to mix the water outlet of the battery pack with the water inlet of the multi-way valve to adjust the water temperature entering the inlet of the battery pack.
9. The integrated thermal management system for an electric vehicle-mounted refrigerator according to claim 4, characterized in that, The thermal management system also includes a radiator, a cooling fan, and a motor / electrical device. The cooling fan is located on one side of the radiator. The seventh valve port of the multi-way valve is connected to the water inlet of the radiator. The water outlet of the radiator and the sixth valve port of the multi-way valve are respectively connected to the water inlet of the motor / electrical device. The water outlet of the motor / electrical device is connected to the eighth valve port of the multi-way valve.
10. An integrated thermal management system for an electric vehicle-mounted refrigerator according to claim 4, characterized in that, The multi-way valve has at least three connection modes. In the first connection mode, the first valve port is connected to the second valve port, the third valve port is connected to the eighth valve port, the fourth valve port is connected to the seventh valve port, and the fifth valve port is connected to the ninth valve port. The second connection mode is that the first valve port is connected to the third valve port, the second valve port is connected to the eighth valve port, the fourth valve port is connected to the ninth valve port, and the fifth valve port is connected to the seventh valve port. The third connection mode is that the first valve port is connected to the third valve port, the second valve port is connected to the eighth valve port, the fourth valve port is connected to the ninth valve port, and the fifth valve port is connected to the sixth valve port.