WO2023151639A1 - 热管理*** - Google Patents
热管理*** Download PDFInfo
- Publication number
- WO2023151639A1 WO2023151639A1 PCT/CN2023/075364 CN2023075364W WO2023151639A1 WO 2023151639 A1 WO2023151639 A1 WO 2023151639A1 CN 2023075364 W CN2023075364 W CN 2023075364W WO 2023151639 A1 WO2023151639 A1 WO 2023151639A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- interface
- heat exchanger
- communicates
- switching device
- port
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
Definitions
- the invention relates to the technical field of thermal management, in particular to a thermal management system.
- thermal management system In the application of domestic thermal management system, vehicle thermal management system or commercial thermal management system, there are more and more thermal management objects, resulting in relatively complex thermal management system, so how to simplify the thermal management system is a technical problem.
- thermal management system In the application of domestic thermal management system, vehicle thermal management system or commercial thermal management system, there are more and more thermal management objects, resulting in relatively complex thermal management system, so how to simplify the thermal management system is a technical problem.
- the purpose of the present application is to provide a thermal management system to help solve the above problems.
- thermal management system including a refrigerant system and a coolant system
- the thermal management system includes a first heat exchanger and a second heat exchanger, the first heat exchanger and the The second heat exchanger has a refrigerant flow path and a cooling liquid flow path respectively, the refrigerant system and the cooling liquid system can exchange heat in the first heat exchanger, and the refrigerant system and the cooling liquid system can
- the coolant system includes a flow path switching device, a third heat exchanger and a temperature controller, and the flow path switching device has a coolant flow path connected to the first heat exchanger A communicating interface, the flow switching device has an interface communicating with the cooling liquid flow channel of the second heat exchanger, and the flow switching device has an interface communicating with the cooling liquid flow channel of the third heat exchanger An interface, the flow switching device has an interface communicating with the temperature controller.
- the thermal management system provided by the embodiments of the present application includes a refrigerant system and a cooling liquid system, a cooling liquid flow path of the first heat exchanger, a cooling liquid flow path of the second heat exchanger, a third heat exchanger, and a cooling liquid system.
- the controller can be connected through a flow switching device, and such a thermal management system is relatively simple.
- Fig. 1 is a connection schematic diagram of the first embodiment of the thermal management system
- FIG. 2 is a schematic connection diagram of the thermal management system in FIG. 1 in cooling mode
- Fig. 3 is a schematic diagram of connection of the thermal management system in Fig. 1 in heating mode
- FIG. 4 is a schematic connection diagram of the thermal management system in FIG. 1 in the heat dissipation mode
- Fig. 5 is a schematic diagram of the serial connection between the first sub-heat exchanger and the energy recovery device
- Fig. 6 is a schematic diagram of the parallel connection between the first sub-heat exchanger and the energy recovery device
- Fig. 7 is a schematic connection diagram of a second embodiment of the thermal management system
- Fig. 8 is a schematic connection diagram of a third embodiment of the thermal management system.
- Fig. 9 is a schematic diagram of communication of four working states of the flow path switching device in Fig. 8;
- Fig. 10 is a schematic connection diagram of a fourth embodiment of the thermal management system.
- Fig. 11 is a schematic connection diagram of a fifth embodiment of the thermal management system.
- the thermal management system of the technical solution of the present invention can have multiple implementations, at least one of which can be applied to vehicle thermal management systems, and at least one implementation can be applied to other thermal management systems such as household thermal management systems or commercial thermal management systems,
- a thermal management device applied to a vehicle thermal management system is taken as an example to describe with reference to the accompanying drawings, and the fluid includes cooling liquid and refrigerant.
- an embodiment of the present invention provides a thermal management system, including a refrigerant system and a cooling liquid system
- the thermal management system includes a first heat exchanger 11 and a second heat exchanger 13, the first heat exchanger
- the heat exchanger 11 and the second heat exchanger 13 respectively have a refrigerant flow path and a cooling liquid flow path, wherein the refrigerant flow path is a part of the refrigerant system, the cooling liquid flow path is a part of the cooling liquid system, and the refrigerant flow path and The coolant channel is not shown in the figure.
- the first heat exchanger 11 and the second heat exchanger 13 may be plate heat exchangers.
- the refrigerant system includes a first flow path switching device 15, which is used to switch the flow direction of the refrigerant in the refrigerant system.
- the first flow path switching device can also be named as agent side flow path switching device;
- the coolant system includes a second flow switching device 20, a third heat exchanger 21 and a temperature controller 22, the second The flow path switching device is used to switch the flow direction of the cooling liquid in the cooling liquid system.
- the second flow path switching device may also be named as a water side flow path switching device.
- the temperature controller 22 is used to adjust the temperature of the thermal management object, and the adjustment of the temperature of the thermal management object mentioned here refers to raising, lowering or maintaining the temperature of the thermal management object.
- the thermostat 22 can be a water-cooled plate, and the water-cooled plate is in contact with the vehicle power battery to adjust the temperature of the vehicle power battery; the thermostat 22 can also be used for vehicle indoor temperature regulation, at this time, the temperature
- the controller is arranged in the air-conditioning box; in the field of intelligent charging, the object of the temperature controller 22 can be a battery to be charged or other electronic equipment.
- the second flow path switching device 20 is a four-way valve. In other embodiments, the second flow path switching device 20 may be a combination of two or more multi-way valves, which will not be described in detail.
- the coolant system In the first working mode of the coolant system, the coolant system includes a first loop and a second loop. In the first loop, the coolant channel of the first heat exchanger 11 can pass through the second flow switching device 20 and the third loop.
- the cooling liquid channel of the heat exchanger 21 is communicated, and like this, the cooling liquid flowing through the cooling liquid channel of the first heat exchanger 11 can release heat or absorb heat in the third heat exchanger 21; in the second circuit, the second The coolant channel of the heat exchanger 13 can be communicated with the thermostat 22 through the second channel switching device 20, so that the coolant flowing through the coolant channel of the second heat exchanger 13 can enter the thermostat 22 for cooling The liquid releases or absorbs heat in the thermostat 22, thereby adjusting the temperature of the heat management object.
- the coolant system also includes a first pump 24 and a second pump 23, wherein the third heat exchanger 21 communicates with the coolant channel of the second flow path switching device 20 or the first heat exchanger 11 through the first pump 24,
- the thermostat 22 communicates with the second flow switching device 20 through the second pump 23 or communicates with the coolant channel of the second heat exchanger 13 to drive the coolant in the second circuit. flow in the circuit.
- the cooling liquid system includes a third circuit, and the cooling liquid channel of the first heat exchanger 11 can pass through the second flow path switching device 20 and the cooling liquid of the second heat exchanger.
- the coolant flow channel of the third heat exchanger 21 can communicate with the thermostat 22 through the second fluid switching device 20, so that the coolant flowing through the thermostat 22 can be released in the third heat exchanger 21 Or absorb heat.
- the first loop, the second loop and the third loop refer to the working loops formed when the coolant system is working.
- the coolant system may only include the first loop and the second loop.
- the first and second circuits can be operated independently, respectively, or the thermal management has the other evaporator and condenser.
- the second flow path switching device 20 has an interface communicated with the coolant channel of the first heat exchanger 11, the second flow channel switching device 20 has an interface communicated with the coolant channel of the second heat exchanger 13, and the second The flow path switching device 20 has an interface communicated with the coolant flow channel of the third heat exchanger 21 , and the second flow path switching device 20 has an interface communicated with the temperature controller 22 .
- the second flow path switching device 20 has a first interface 201 , a second interface 202 , a third interface 203 , and a fourth interface 204 .
- the first port communicates with the first interface 201
- the coolant channel of the first heat exchanger 11 communicates with the second interface 202
- the second port of the coolant channel of the third heat exchanger 21 can pass through the first heat exchanger
- the cooling liquid channel of 11 communicates with the second interface 202, or the first interface 201 and the second interface 202 can communicate through the first heat exchanger 11 and the third heat exchanger 21, and the first port of the thermostat 22 communicates with the
- the third interface 203 communicates, the coolant channel of the second heat exchanger 13 communicates with the fourth interface 204, and the second port of the thermostat 22 can communicate with the fourth interface 204 through the coolant channel of the second heat exchanger 13 connected.
- the internal passage of the second flow switching device 20 connects the first port 201 with the second port 202 , and the internal passage of the second flow switching device 20 connects the third port 203 communicate with the fourth interface 204, so that the cooling liquid channel of the first heat exchanger 11, the cooling liquid of the third heat exchanger 21
- the cooling liquid passage passes through the second flow passage switching device 20 to form the first circuit, of course the first circuit also includes the first pump 24 or other components, the cooling liquid passage of the second heat exchanger 13 and the temperature controller 22 pass through the first circuit
- the two flow path switching devices 20 form a second circuit, and of course the second circuit also includes a second pump 23 or other components; in the second working mode of the coolant system, the second flow path switching device 20 makes the second interface 202 and the first The four ports 204 are connected, and the second flow path switching device 20 makes the third port 203 communicate with the first port 201.
- the coolant channel of the second heat exchanger 13 and the temperature controller 22 form a third loop through the second flow switching device 20 , of course, the third loop also includes the first pump 24 , the second pump 23 or other components.
- the third heat exchanger 21 can exchange heat with air or air flow, and the coolant in the third heat exchanger 21 can absorb or release heat from the air flow.
- the third heat exchanger 21 can be a microchannel heat exchanger. heater.
- the third heat exchanger 21 can also be an energy recovery device.
- the heat or cold in the coolant flowing through the energy recovery device can be stored in the energy recovery device.
- the energy recovery device can The heat or cold can be released to the coolant.
- the third heat exchanger 21 communicates with the first interface of the second flow path switching device 20 through the first pump 24, so that when the coolant system is working, the first pump 24 can drive the flow of the coolant in the third heat exchanger 21,
- the thermostat 22 communicates with the third interface 203 of the second flow path switching device 20 through the second pump 23 , and the second pump 23 can drive the flow of cooling liquid in the thermostat 22 .
- the refrigerant system further includes a compressor 10 , a first flow path switching device 15 and a throttling element 12 , and the first flow path switching device 15 has a first connection port 151 , a second connection port 152 , and a third connection port 153 and the fourth connection port 154, the first flow path switching device 15 may be a four-way reversing valve, or a combination of multiple valves.
- Throttle element 12 can be electronic expansion valve or other Devices with a throttling function, such as capillary tubes, thermal expansion valves or ball valves with a throttling function.
- the outlet of the compressor 10 communicates with the first connection port 151
- the second connection port 152 communicates with a port of the refrigerant flow channel of the first heat exchanger 11, and the refrigerant flow channel of the first heat exchanger 11
- the other port communicates with one port of the refrigerant passage of the second heat exchanger 13 through the throttling element 12, the other port of the refrigerant passage of the second heat exchanger 13 communicates with the third connection port 153, and the fourth
- the connection port 154 communicates with the inlet of the compressor 10 or communicates with the inlet of the compressor 10 through a gas-liquid separator.
- other functional parts such as a liquid receiver, may also be included in the refrigerant system, which will not be described in detail here.
- the first heat exchanger 11 is a condenser, and the coolant in the coolant flow channel in the first heat exchanger 11 is heated, the second heat exchanger 13 is an evaporator, and the second heat exchanger 13 The coolant inside is cooled. Control the working state of the first flow path switching device 15, and also make the first connection port 151 communicate with the third connection port 153, and the second connection port 152 communicate with the fourth connection port 154.
- the outlet of the compressor 10 can pass through
- the refrigerant flow path of the second heat exchanger 13 and the throttling element 12 communicate with the refrigerant flow path of the first heat exchanger 11, and the refrigerant flow path of the first heat exchanger 11 communicates with the inlet of the compressor 10, which can It is known that the second heat exchanger 13 is a condenser, the coolant in the coolant flow path in the second heat exchanger 13 is heated, the first heat exchanger 11 is an evaporator, and the coolant in the first heat exchanger 11 was cooled.
- the thermal management system has at least one of the following four working modes, please refer to FIG. 2 , cooling mode: the cooling liquid system is in the first working mode, specifically, the cooling liquid of the first heat exchanger 11
- the flow passage communicates with the third heat exchanger 21 through the second flow switching device 20, and the coolant flow passage of the second heat exchanger 13 communicates with the temperature controller 22 through the second flow switching device 20; the first flow switching device 15
- the first heat exchanger is used as a condenser
- the second heat exchanger is used as an evaporator, so that the heat in the refrigerant of the refrigerant system is released into the air or stored in the third heat exchanger 21 through the cooling liquid, and the refrigeration
- the cooling capacity of the refrigerant in the refrigerant system passes through the cooling liquid in the thermostat 22 to reduce the temperature of the vehicle battery or other thermal management objects, thereby reducing the temperature of the vehicle battery or other thermal management objects.
- the passage in the first flow switching device 15 connects the first connection port 151 with the second connection port 152, and the passage in the first flow switching device 15 connects the third connection port 153 with the fourth connection port.
- the port 154 communicates; the channel in the second flow path switching device 20 connects the first port 201 with the second port 202 , and the channel in the second flow path switching device 20 connects the third port 203 with the fourth port 204 .
- heating mode different from the cooling mode, the first flow switching device 15 makes the first heat exchanger act as an evaporator, and the second heat exchanger acts as a condenser, so that the refrigerant in the refrigerant system
- the cooling capacity is released to the air or stored in the third heat exchanger 21 through the cooling liquid, and the heat in the refrigerant of the refrigerant system passes through the cooling liquid in the thermostat 22 to increase the temperature of the vehicle battery or other thermal management objects , so as to realize the increase of the temperature of the vehicle battery or other thermal management objects.
- the passage in the first flow switching device 15 connects the first connection port 151 with the third connection port 153
- the passage in the first flow switching device 15 connects the second connection port 152 with the fourth connection port 153
- the connecting port 154 communicates; the channel in the second flow path switching device 20 connects the first port 201 with the second port 202 , and the channel in the second flow path switching device 20 connects the third port 203 with the fourth port 204 .
- the coolant system is in the first working mode, the refrigerant system is not working, the second
- the coolant in the first circuit circulates by itself under the drive of the first pump 24, and/or the coolant in the second circuit circulates by itself under the drive of the second pump 23, and the refrigerant system does not work, which can save energy and also
- the temperature of a vehicle battery or other thermally managed object can be regulated to some extent.
- heat dissipation mode the refrigerant system does not work, the coolant system is in the second working mode, the coolant channel of the thermostat 22 passes the coolant of the second flow switching device 20 and the third heat exchanger 21 The flow channel is connected, and the coolant flow channel of the first heat exchanger is communicated with the coolant flow channel of the second heat exchanger through the second flow path switching device, so that the heat or cold in the coolant in the thermostat 22 It can be released or stored in the third heat exchanger 21 through the second flow path switching device 20, and then the temperature controller 22 can adjust the temperature of the vehicle battery or other thermal management objects.
- the third heat exchanger 21 can also include a first sub-heat exchanger 211 and an energy recovery device 212, wherein the first sub-heat exchanger 211 can be a micro-channel heat exchanger, which can exchange heat with the air flow, in a specific embodiment , the first sub-heat exchanger 211 is connected in series with the energy recovery device 212, as shown in Figure 5; or, the first sub-heat exchanger 211 and the energy recovery device 212 are arranged in parallel, as shown in Figure 6, the second flow path
- the switching device 20 can communicate with at least one of the first sub-heat exchanger 211 and the energy recovery device 212. At this time, a three-way valve or a three-way flow regulating valve is required to selectively communicate with the first sub-heat exchanger 211 or the energy recovery device. .
- the heat management system provided in this embodiment includes a refrigerant system and a coolant system.
- the heat management system can change the flow direction of the refrigerant through the first flow path switching device, and then change the flow direction of the first heat exchanger and the second heat exchanger.
- the function of the heat exchanger, the coolant flow channel of the first heat exchanger 11, the coolant flow channel of the second heat exchanger 13, the third heat exchanger 21 and the temperature controller 22 can pass through the second flow path switching device 20 Communication, and then realize the temperature adjustment of the thermal management object, such a thermal management system is relatively simple.
- the third heat exchanger 21 is an energy recovery device
- the third heat exchanger 21 The energy stored in the thermostat can be released in the thermostat 22 through the coolant, thereby adjusting the temperature of the vehicle battery or other thermal management objects, which is beneficial to energy saving.
- the second flow path switching device 20 can be a five-way valve or a combination of at least two multi-way valves, and the number of thermostats can be multiple, as in this embodiment
- the quantity of thermostat is three, and thermostat comprises the first thermostat 221, the second thermostat 222 and the third thermostat 223, the first thermostat 221, the second thermostat 222 and the third thermostat
- the thermostats 223 are connected in parallel, but of course may also be connected in series.
- the second flow path switching device 20 has a first interface 201, a second interface 202, a third interface 203, a fourth interface 204, and a fifth interface 205;
- the third heat exchanger 21 includes a first sub-heat exchanger 211 And the energy recovery device 212, wherein, the first port of the first sub-heat exchanger 211 communicates with the first interface 201, the first port of the energy recovery device 212 communicates with the fifth interface 205, and the first port of the first sub-heat exchanger 211 Two ports, the second port of the energy recovery device 212 communicates with the cooling liquid channel of the first heat exchanger, so that the first sub-heat exchanger 211 and the energy recovery device 212 communicate with the interface of the second flow path switching device 20 respectively,
- the coolant system further includes a third pump 25, wherein the energy recovery device 212 communicates with the fifth interface 205 through the third pump 25, and the first sub-heat exchanger 211 communicates with the first interface 201 or the first interface 201
- a cooling liquid flow channel of the heat exchanger is connected.
- the first sub-heat exchanger 211 and the energy recovery device 212 are respectively communicated with the second flow path switching device 20, so that the first sub-heat exchanger 211 or the energy recovery device 212 can be selectively connected as required.
- the channel in the second flow switching device 20 communicates the first interface 201 with the second interface 202, and/or, the channel in the second flow switching device 20
- the channel makes the fifth interface 205 communicate with the second interface 202;
- the internal channel of the second flow path switching device 20 communicates the second interface 202 with the fourth interface 204;
- the first sub-heat exchanger 211 or the energy recovery device 212 is selectively connected through the second flow path switching device 20 .
- the channel in the second flow path switching device 20 connects the first interface 201 with the third interface 203, and/or, the channel in the second flow path switching device 20 connects the fifth interface 209 with the The third interface 203 communicates; the channel in the second flow path switching device 20 makes the second interface 202 communicate with the fourth interface 204 .
- the coolant system also includes a heater 25, the heater can be an electric heater or other forms of heaters, the heater 25 can increase the temperature of the coolant, and the coolant flow path of the first heat exchanger 11 can pass through the heater 25 is in communication with the cooling liquid channel of the third heat exchanger 21 , and/or, the cooling liquid channel of the second heat exchanger 13 can communicate with the temperature controller 22 through the heater 25 .
- the heater can be an electric heater or other forms of heaters
- the heater 25 can increase the temperature of the coolant
- the coolant flow path of the first heat exchanger 11 can pass through the heater 25 is in communication with the cooling liquid channel of the third heat exchanger 21
- the cooling liquid channel of the second heat exchanger 13 can communicate with the temperature controller 22 through the heater 25 .
- the heat exchanger 13 has a refrigerant flow channel and a cooling liquid flow channel respectively, wherein the refrigerant flow channel is a part of the refrigerant system, the cooling liquid flow channel is a part of the cooling liquid system, and the refrigerant flow channel and the cooling liquid flow channel are not in the As shown in the figure, in a specific embodiment, the first heat exchanger 11 and the second heat exchanger 13 may be plate heat exchangers.
- the refrigerant in the refrigerant system and the cooling liquid in the cooling liquid system can exchange heat in the first heat exchanger 11, and the refrigerant in the refrigerant system and the cooling liquid in the cooling liquid system can also exchange heat in the second heat exchanger 11. 13 for heat exchange, and the coolant system includes a water-side flow path switching device 20, a third heat exchanger 21, and a thermostat 22.
- the thermostat 22 is used to adjust the temperature of the thermal management object, as described here Adjusting the temperature of a thermal management object refers to raising, lowering, or maintaining the temperature of a thermal management object.
- the thermostat 22 can be a water cooling plate, and the water cooling plate is in contact with the vehicle power battery for adjusting the temperature of the vehicle power battery; Field, the object of the temperature controller 22 may be a battery to be charged or other electronic equipment.
- the water-side flow switching device 20 is an eight-way valve. In other embodiments, the water-side flow switching device 20 may be a combination of two or more multi-way valves, which will not be described in detail.
- the flow path switching device 20 has an interface communicated with the coolant flow path of the first heat exchanger 11, the water side flow path switching device 20 has an interface communicated with the coolant flow path of the second heat exchanger 13, and the water side flow path
- the switching device 20 has an interface communicated with the coolant flow channel of the third heat exchanger 21 , and the water-side flow channel switching device 20 has an interface communicated with the temperature controller 22 .
- the water side flow path switching device 20 has a first interface 201, a second interface 202, a third interface 203, a fourth interface 204, a fifth interface 205, a sixth interface 206, a The seventh interface 207 and the eighth interface 208, wherein, the third heat exchanger 21 communicates with the first interface 201, and the third heat exchanger 21 communicates with the second interface 202, or the first interface 201 and the second interface 202 can pass through The third heat exchanger 21 communicates, and the coolant flow channel of the first heat exchanger 11 communicates with the third interface 203 and the fourth interface 204 respectively, or the third interface 203 can pass the coolant flow of the first heat exchanger 11
- the channel communicates with the fourth interface 204, and the coolant channel of the second heat exchanger 13 communicates with the fifth interface 205 and the sixth interface 206 respectively, or the fifth interface 205 can pass the coolant flow of the second heat exchanger 13
- the channel communicates with the sixth interface 206 , and the temperature controller 22 communicates with the
- the third heat exchanger 21 can exchange heat with air or air flow, and the coolant in the third heat exchanger 21 can absorb or release heat from the air flow.
- the third heat exchanger 21 can be a microchannel heat exchanger. heater.
- the third heat exchanger 21 can also be an energy recovery device.
- the heat or cold in the coolant flowing through the energy recovery device can be stored in the energy recovery device. When the thermal management system needs it, the energy recovery device can heat or cold can be released to the cold coolant.
- the coolant system also includes a first pump 24 and a second pump 23, wherein the third heat exchanger 21 communicates with the water-side flow switching device 20 through the first pump 24, so that when the coolant system is working, the first pump 24 can Drive the flow of coolant in the third heat exchanger 21 , and the thermostat 22 communicates with the water-side flow path switching device 20 through the second pump 23 , and the second pump 23 can drive the flow of coolant in the thermostat 22 .
- the refrigerant system further includes a compressor 10 and a throttling element 12.
- the outlet of the compressor 10 communicates with the inlet of the refrigerant passage of the first heat exchanger 11, and the outlet of the first heat exchanger 11
- the outlet of the refrigerant flow channel communicates with the inlet of the refrigerant flow channel of the second heat exchanger 13 through the throttling element 12, and the outlet of the refrigerant flow channel of the second heat exchanger 13 communicates with the inlet of the compressor 10.
- the reagent system may also include other functional components, such as a liquid reservoir or a gas-liquid separator, which will not be described in detail here.
- the outlet of the compressor 10 can communicate with the refrigerant flow channel of the second heat exchanger 13 through the refrigerant flow channel of the first heat exchanger 11 and the throttling element 12, and the second heat exchanger 13
- the refrigerant channel communicates with the inlet of the compressor 10.
- the first heat exchanger 11 is a condenser
- the coolant in the coolant channel in the first heat exchanger 11 is heated
- the second heat exchanger 13 is The evaporator, the coolant in the second heat exchanger 13 is cooled.
- the thermal management system has at least one of the following four working modes, please refer to Fig. 8 and Fig. 9-1, the first working mode: the coolant channel of the first heat exchanger 11 passes through the water side channel switching device 20 It communicates with the third heat exchanger 21, and the coolant channel of the second heat exchanger 13 communicates with the thermostat 22 through the water side flow path switching device 20; in this way, the heat in the refrigerant of the refrigerant system passes through the coolant in the The third heat exchanger 21 is released into the air or stored, and the cold energy in the refrigerant of the refrigerant system is passed through the cooling liquid to reduce the temperature of the vehicle battery or other thermal management objects in the thermostat 22, thereby realizing the vehicle battery or other heat management.
- the temperature of the managed object is lowered.
- the first in a thermal management system In the working mode the water-side flow switching device 20 is in the first working state: the channel in the water-side flow switching device 20 connects the first interface 201 with the third interface 203, and the channel in the water-side flow switching device 20 makes the second
- the second interface 202 communicates with the fourth interface 204
- the passage in the water side flow path switching device 20 connects the fifth interface 205 with the eighth interface 208
- the passage in the water side flow path switching device 20 connects the sixth interface 206 with the seventh
- the interface 207 communicates.
- the second working mode the coolant channel of the first heat exchanger 11 communicates with the thermostat 22 through the water side flow channel switching device 20, and the cooling of the second heat exchanger 13
- the liquid flow path communicates with the third heat exchanger 21 through the water side flow path switching device 20; in this way, the heat in the refrigerant of the refrigerant system increases the temperature of the vehicle battery or other thermal management objects at the temperature controller 22 through the cooling liquid, Further, the temperature of the vehicle battery or other heat management objects is raised, and the refrigerant in the refrigerant system absorbs or stores heat in the air in the third heat exchanger 21 through the cooling liquid.
- the water-side flow switching device 20 In the second working mode of the thermal management system, the water-side flow switching device 20 is in the second working state: the channel in the water-side flow switching device 20 connects the eighth interface 208 with the third interface 203, and the water-side flow switching The channel in the device 20 connects the fourth port 204 with the seventh port 207, the channel in the water-side flow path switching device 20 makes the fifth port 205 communicate with the first port 201, and the channel in the water-side flow path switching device 20 makes The sixth interface 206 communicates with the second interface 202 .
- the third working mode the third heat exchanger 21 communicates with the thermostat 22 through the water side flow path switching device 20; in this embodiment, the refrigerant system may not work, so Energy can be saved.
- the heat or cold in the coolant in the thermostat 22 can be released or stored in the third heat exchanger 21 through the water-side flow path switching device 20, and then the thermostat 22 can regulate the temperature of the vehicle battery or other The temperature of the thermally managed object.
- the water-side flow switching device 20 is in the third working state: the channel in the water-side flow switching device 20
- the first interface 201 communicates with the seventh interface 207
- the channel in the water-side flow path switching device 20 communicates the second interface 202 with the eighth interface 208 .
- the fourth working mode one end of the coolant flow path of the thermostat 22 communicates with the other end of the coolant flow path of the thermostat 22 through the water side flow path switching device 20, In this way, the cooling liquid in the temperature controller 22 realizes self-circulation through the water-side flow path switching device 20 .
- the water-side flow switching device 20 is in a fourth working state: the channel in the water-side flow switching device 20 communicates with the eighth interface 208 and the seventh interface 207 .
- the third heat exchanger 21 can also include a first sub-heat exchanger 211 and an energy recovery device 212, wherein the first sub-heat exchanger 211 can be a micro-channel heat exchanger, which can exchange heat with the air flow, in a
- the first sub-heat exchanger 211 is connected in series with the energy recovery device 212, as shown in Figure 5; or, the first sub-heat exchanger and the energy recovery device are arranged in parallel, as shown in Figure 6, the water side
- the flow path switching device 20 can communicate with at least one of the first sub-heat exchanger 211 and the energy recovery device 212.
- a three-way valve or a three-way flow regulating valve is required to selectively communicate with the first sub-heat exchanger or the energy recovery device. device.
- the thermal management system provided in this embodiment includes a refrigerant system and a coolant system, the coolant flow channel of the first heat exchanger 11, the coolant flow channel of the second heat exchanger 13, the third heat exchanger 21 and The temperature controller 22 can communicate with the water-side flow path switching device 20, thereby realizing the temperature adjustment of the heat management object, and such a heat management system is relatively simple.
- the third heat exchanger 21 is an energy recovery device, the energy stored in the third heat exchanger 21 can be released in the thermostat 22 through the coolant, thereby adjusting the temperature of the vehicle battery or other thermal management objects, so that Conducive to saving energy.
- the water side flow path switching device 20 can It is a ten-way valve or a combination of at least two multi-way valves.
- the number of thermostats can be multiple.
- the number of thermostats is three.
- the thermostats include a first thermostat 221, a second thermostat
- the second thermostat 222 and the third thermostat 223, the first thermostat 221, the second thermostat 222 and the third thermostat 223 are connected in parallel, and of course they can also be connected in series.
- the water side flow path switching device 20 has a first interface 201 and a second interface 202, a ninth interface 209 and a tenth interface 210;
- the third heat exchanger 21 includes a first sub-heat exchanger 211 and an energy recovery device 212 , wherein the first sub-heat exchanger 211 communicates with the first interface 201 and the second interface 202 respectively, or in other words, the first interface 201 can communicate with the second interface 202 through the first sub-heat exchanger 211, and the energy recovery device 212 They communicate with the ninth interface 209 and the tenth interface 210 respectively, and the ninth interface 209 can communicate with the tenth interface 210 through the energy recovery device.
- the cooling liquid system further includes a third pump 25, wherein the energy recovery device 212 passes through the third pump 25 It communicates with the ninth interface 209 or the tenth interface 210 , and the first sub-heat exchanger 211 communicates with the first interface 201 or the second interface 202 through the first pump 24 .
- the first sub-heat exchanger and the energy recovery device are respectively communicated with the water-side flow switching device, so that the first sub-heat exchanger or the energy recovery device can be selectively connected as required.
- the water-side flow switching device 20 is in the first working state: the channel in the water-side flow switching device 20 connects the first interface 201 with the third interface 203, and the water-side flow switching The channel in the device 20 communicates the second interface 202 with the fourth interface 204; and/or, the channel in the water side flow path switching device 20 makes the ninth interface 209 communicate with the third interface 203, and the water side flow path switching device 20 The passage in the water side flow path switching device 20 connects the fifth port 205 with the eighth port 208, and the passage in the water side flow path switching device 20 makes the sixth The interface 206 communicates with the seventh interface 207;
- the water-side flow switching device 20 is in the second working state: the channel in the water-side flow switching device 20 connects the eighth interface 208 with the third interface 203, and the water-side flow switching
- the channel in the device 20 connects the fourth interface 204 with the seventh interface 207; the channel in the water side flow path switching device 20 makes the fifth interface 205 communicate with the first interface 201, and the channel in the water side flow path switching device 20 makes The sixth interface 206 communicates with the second interface 202; and/or, the passage in the water-side flow path switching device 20 communicates with the ninth interface 209 and the fifth interface 205, and the passage in the water-side flow path switching device 20 makes the tenth
- the interface 210 communicates with the sixth interface 206;
- the water-side flow switching device 20 is in the third working state: the channel in the water-side flow switching device 20 connects the first interface 201 with the seventh interface 207, and the water-side flow switching The channel in the device 20 communicates with the second interface 202 and the eighth interface 208; and/or, the channel in the water side flow path switching device 20 makes the ninth interface 209 communicate with the seventh interface 207, and the water side flow path switching device 20 The channel in makes the tenth interface 210 communicate with the eighth interface 208;
- the water-side flow switching device 20 In the fourth working mode of the thermal management system, the water-side flow switching device 20 is in a fourth working state: the channel in the water-side flow switching device 20 communicates with the eighth interface 208 and the seventh interface 207 .
- the coolant system also includes an electric heater 25, which can increase the temperature of the coolant, and the coolant flow channel of the first heat exchanger 11 can communicate with the water side flow path switching device 20 through the electric heater 25, And/or the coolant channel of the second heat exchanger 13 can communicate with the water-side channel switching device 20 through the electric heater 25 .
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
一种热管理***,包括制冷剂***和冷却液***,在制冷剂***,热管理***能够通过剂侧流路切换装置改变制冷剂的流向,在冷却液***,第一换热器(11)的冷却液流道、第二换热器(13)的冷却液流道、第三换热器(21)以及温控器(22)能够通过水侧流路切换装置(20)连通。该热管理***结构相对简单。
Description
本申请要求于2022年02月12日提交中国专利局、申请号为202210130632.4、发明名称为“热管理***”,以及于2022年02月22日提交中国专利局、申请号为202210161252.7、发明名称为“热管理***”的两件中国专利申请的优先权,其全部内容通过引用结合在本申请中。
本发明涉及热管理技术领域,具体涉及一种热管理***。
在家用热管理***或者车用热管理***或者商用热管理***的应用中,热管理对象越来越多,导致热管理***相对复杂,因而如何简化热管理***是一个技术问题。
发明内容
在家用热管理***或者车用热管理***或者商用热管理***的应用中,热管理对象越来越多,导致热管理***相对复杂,因而如何简化热管理***是一个技术问题。
发明内容
本申请的目的在于提供一种热管理***,以有利于解决上述问题。
本申请的一个实施方式提供一种热管理***,包括制冷剂***和冷却液***,所述热管理***包括第一换热器和第二换热器,所述第一换热器和所述第二换热器分别具有制冷剂流道和冷却液流道,所述制冷剂***和所述冷却液***能够在第一换热器热交换,所述制冷剂***和所述冷却液***能够在第二换热器热交换,所述冷却液***包括流路切换装置、第三换热器和温控器,所述流路切换装置具有与所述第一换热器的冷却液流道连通的接口,所述流路切换装置具有与所述第二换热器的冷却液流道连通的接口,所述流路切换装置具有与所述第三换热器的冷却液流道连通的接口,所述流路切换装置具有与所述温控器连通的接口。
本申请的实施方式所提供的热管理***,包括制冷剂***和冷却液***,第一换热器的冷却液流道、第二换热器的冷却液流道、第三换热器以及温控器能够通过流路切换装置连通,这样的热管理***相对简单。
图1是热管理***的第一种实施方式的连接示意图;
图2是图1中热管理***在制冷模式时的连接示意图;
图3是图1中热管理***在制热模式时的连接示意图;
图4是图1中热管理***在散热模式时的连接示意图;
图5是第一子换热器与能量回收装置串行连接示意图;
图6是第一子换热器与能量回收装置并行连接示意图;
图7是热管理***的第二种实施方式的连接示意图;
图8是热管理***的第三种实施方式的连接示意图;
图9是图8中流路切换装置的四种工作状态的连通示意图;
图10是热管理***的第四种实施方式的连接示意图;
图11是热管理***的第五种实施方式的连接示意图。
本发明技术方案的热管理***可以有多种实施方式,其中至少一个实施方式可以应用于车辆热管理***,至少一个实施方式可以应用于家用热管理***或商用热管理***等其他热管理***,下面以应用于车辆热管理***的热管理装置为例结合附图进行说明,流体包括冷却液和制冷剂。
请参阅图1-图7,本发明的实施例提供一种热管理***,包括制冷剂***和冷却液***,热管理***包括第一换热器11和第二换热器13,第一换热器11和第二换热器13分别具有制冷剂流道和冷却液流道,其中制冷剂流道是制冷剂***的一部分,冷却液流道是冷却液***的一部分,制冷剂流道和冷却液流道未在图中示意,在一个具体的实施方式,第一换热器11和第二换热器13可以为板式换热器。热管理***工作时,制冷剂***的制冷剂和冷却液***的冷却液能够在第一换热器11内热交换,制冷剂***的制冷剂和冷却液***的冷却液也能够在第二换热器13热交换,制冷剂***包括第一流路切换装置15,用于切换制冷剂***内制冷剂的流向,在本发明的实施例中,第一流路切换装置也可以命名为剂侧流路切换装置;冷却液***包括第二流路切换装置20、第三换热器21和温控器22,第二
流路切换装置,用于切换冷却液***内冷却液的流向,在本发明的实施例中,第二流路切换装置也可以命名为水侧流路切换装置。在本实施方式,温控器22用于调节热管理对象的温度,这里所述的调节热管理对象的温度指升高、降低或者维持热管理对象的温度。在车用热管理***,温控器22可以是水冷板,水冷板与车辆动力电池接触,用于调节车辆动力电池的温度;温控器22也可以用于车辆室内温度调节,这时,温控器设置于空调箱;在智能充电领域,温控器22的对象可以是待充电池或者其他电子设备。在本实施方式,第二流路切换装置20为四通阀,在其他实施方式,第二流路切换装置20可以是两个或者两个以上多通阀的组合,不再详细描述。在冷却液***的第一工作模式,冷却液***包括第一回路和第二回路,在第一回路,第一换热器11的冷却液流道能够通过第二流路切换装置20与第三换热器21的冷却液流道连通,这样,流经第一换热器11的冷却液流道的冷却液能够在第三换热器21释放热量或者吸收热量;在第二回路,第二换热器13的冷却液流道能够通过第二流路切换装置20与温控器22连通,这样,流经第二换热器13冷却液流道的冷却液能够进入温控器22,冷却液在温控器22释放或者吸收热量,进而调节热管理对象的温度。当然冷却液***还包括第一泵24和第二泵23,其中第三换热器21通过第一泵24与第二流路切换装置20或者第一换热器11的冷却液流道连通,以驱动第一回路内冷却液流动,温控器22通过第二泵23与第二流路切换装置20连通或者与第二换热器13的冷却液流道连通,以驱动冷却液在第二回路内流动。在冷却液***的第二工作模式,冷却液***包括第三回路,第一换热器11的冷却液流道能够通过第二流路切换装置20与第二换热器的冷却液
流道连通,第三换热器21的冷却液流道能够通过第二流体切换装置20与温控器22连通,这样,流经温控器22的冷却液能够在第三换热器21释放或者吸收热量。需要说明的是,第一回路、第二回路以及第三回路是指在冷却液***工作时形成的工作回路,冷却液***工作时,冷却液***可以仅包括第一回路、第二回路的其中之一,例如,制冷剂***不工作,第一回路和第二回路可以分别独立运行,或者热管理具有其他的蒸发器和冷凝器。
第二流路切换装置20具有与第一换热器11的冷却液流道连通的接口,第二流路切换装置20具有与第二换热器13的冷却液流道连通的接口,第二流路切换装置20具有与第三换热器21的冷却液流道连通的接口,第二流路切换装置20具有与温控器22连通的接口。具体地,请参阅图1,第二流路切换装置20具有第一接口201、第二接口202、第三接口203、第四接口204、其中,第三换热器21的冷却液流道的第一端口与第一接口201连通,第一换热器11的冷却液流道与第二接口202连通,第三换热器21的冷却液流道的第二端口能够通过第一换热器11的冷却液流道与第二接口202连通,或者说第一接口201和第二接口202可以通过第一换热器11、第三换热器21连通,温控器22的第一端口与第三接口203连通,第二换热器13的冷却液流道与第四接口204连通,温控器22的第二端口能够通过第二换热器13的冷却液流道与第四接口204连通。具体地,在冷却液***的第一工作模式,第二流路切换装置20的内部通道使第一接口201与第二接口202连通,第二流路切换装置20的内部通道使第三接口203与第四接口204连通,这样,第一换热器11的冷却液流道、第三换热器21的冷
却液流道通过第二流路切换装置20组成第一回路,当然第一回路内也包括第一泵24或者其他部件,第二换热器13的冷却液流道、温控器22通过第二流路切换装置20组成第二回路,当然第二回路内也包括第二泵23或者其他部件;在冷却液***的第二工作模式,第二流路切换装置20使第二接口202与第四接口204连通,第二流路切换装置20使第三接口203与第一接口201连通,这样,第一换热器11的冷却液流道、第三换热器21的冷却液流道、第二换热器13的冷却液流道、温控器22通过第二流路切换装置20组成第三回路,当然第三回路内也包括第一泵24、第二泵23或者其他部件。
在本实施方式,第三换热器21可以与空气或者气流热交换,第三换热器21内冷却液可以从气流中吸收或者释放热量,例如,第三换热器21可以是微通道换热器。在其他实施方式,第三换热器21也可以是能量回收装置,如流经能量回收装置的冷却液内热量或者冷量能够存储于能量回收装置,在热管理***需要时,能量回收装置内的热量或者冷量能够释放到冷却液。第三换热器21通过第一泵24与第二流路切换装置20的第一接口连通,这样冷却液***工作时,第一泵24能够驱动第三换热器21内冷却液的流动,温控器22通过第二泵23与第二流路切换装置20的第三接口203连通,第二泵23能够驱动温控器22内冷却液的流动。
在本实施方式,制冷剂***还包括压缩机10、第一流路切换装置15和节流元件12,第一流路切换装置15具有第一连接口151、第二连接口152、第三连接口153和第四连接口154,第一流路切换装置15可以是四通换向阀,也可以是多个阀的组合。节流元件12可以电子膨胀阀或者其他
具有节流功能的器件,如毛细管、热力膨胀阀或者具有节流功能的球阀。具体地,压缩机10的出口与第一连接口151连通,第二连接口152与第一换热器11的制冷剂流道的一个端口连通,第一换热器11的制冷剂流道的另一个端口通过节流元件12与第二换热器13的制冷剂流道的一个端口连通,第二换热器13的制冷剂流道的另一个端口与第三连接口153连通,第四连接口154与压缩机10的入口连通或者通过气液分离器与压缩机10的入口连通,当然在制冷剂***内还可以包括其他功能件,如贮液器,这里不再详细描述。制冷剂***工作时,控制第一流路切换装置15的工作状态,使第一连接口151与第二连接口152连通,第三连接口153与第四连接口154连通,这时,压缩机10的出口能够通过第一换热器11的制冷剂流道、节流元件12与第二换热器13的制冷剂流道连通,第二换热器13的制冷剂流道与压缩机10的入口连通,可以知道,第一换热器11为冷凝器,第一换热器11内的冷却液流道的冷却液被加热,第二换热器13为蒸发器,第二换热器13内的冷却液被冷却。控制第一流路切换装置15的工作状态,也可以使第一连接口151与第三连接口153连通,第二连接口152与第四连接口154连通,这时,压缩机10的出口能够通过第二换热器13的制冷剂流道、节流元件12与第一换热器11的制冷剂流道连通,第一换热器11的制冷剂流道与压缩机10的入口连通,可以知道,第二换热器13为冷凝器,第二换热器13内的冷却液流道的冷却液被加热,第一换热器11为蒸发器,第一换热器11内的冷却液被冷却。
热管理***具有以下四种工作模式的至少其中之一,请参阅图2,制冷模式:冷却液***处于第一工作模式,具体地,第一换热器11的冷却液
流道通过第二流路切换装置20与第三换热器21连通,第二换热器13的冷却液流道通过第二流路切换装置20与温控器22连通;第一流路切换装置15使第一换热器作为冷凝器,第二换热器作为蒸发器,这样,制冷剂***的制冷剂中的热量通过冷却液在第三换热器21释放到空气中或者存储起来,制冷剂***的制冷剂中的冷量通过冷却液在温控器22中以降低车辆电池或者其他热管理对象的温度,进而实现车辆电池或者其他热管理对象的温度降低。在热管理***的制冷模式,第一流路切换装置15内的通道使第一连接口151与第二连接口152连通,第一流路切换装置15内的通道使第三连接口153与第四连接口154连通;第二流路切换装置20内的通道使第一接口201与第二接口202连通,第二流路切换装置20内的通道使第三接口203与第四接口204连通。
请参阅图3,制热模式:与制冷模式不同的是,第一流路切换装置15使第一换热器作为蒸发器,第二换热器作为冷凝器,这样,制冷剂***的制冷剂中的冷量通过冷却液在第三换热器21释放到空气中或者存储起来,制冷剂***的制冷剂中的热量通过冷却液在温控器22中以提高车辆电池或者其他热管理对象的温度,进而实现车辆电池或者其他热管理对象的温度的升高。在热管理***的制热模式,第一流路切换装置15内的通道使第一连接口151与第三连接口153连通,第一流路切换装置15内的通道使第二连接口152与第四连接口154连通;第二流路切换装置20内的通道使第一接口201与第二接口202连通,第二流路切换装置20内的通道使第三接口203与第四接口204连通。
自循环模式:冷却液***处于第一工作模式,制冷剂***不工作,第
一回路内冷却液在第一泵24的驱动下自行循环,和/或,第二回路内的冷却液在第二泵23的驱动下自行循环,制冷剂***不工作,这样可以节约能源,也可以在一定程度上调节车辆电池或者其他热管理对象的温度。
请参阅图4,散热模式:制冷剂***不工作,冷却液***处于第二工作模式,温控器22的冷却液流道通过第二流路切换装置20与第三换热器21的冷却液流道连通,第一换热器的冷却液流道通过第二流路切换装置与第二换热器的冷却液流道连通,这样,温控器22内的冷却液中的热量或者冷量可以通过第二流路切换装置20在第三换热器21释放或者存储起来,进而温控器22可以调节车辆电池或者其他热管理对象的温度。
第三换热器21也可以包括第一子换热器211和能量回收装置212,其中第一子换热器211可以是微通道换热器,可以与气流热交换,在一个具体的实施方式,第一子换热器211与能量回收装置212串行连通,如图5所示意;或者,第一子换热器211与能量回收装置212并行设置,如图6所示意,第二流路切换装置20能够与第一子换热器211与能量回收装置212的至少其中之一连通,这时需要三通阀或者三通流量调节阀进行选择连通第一子换热器211或者能量回收装置。
本实施方式所提供的热管理***,包括制冷剂***和冷却液***,在制冷剂***,热管理***能够通过第一流路切换装置改变制冷剂的流向,进而改变第一换热器和第二换热器的功能,第一换热器11的冷却液流道、第二换热器13的冷却液流道、第三换热器21以及温控器22能够通过第二流路切换装置20连通,进而实现热管理对象的温度调节,这样的热管理***相对简单。另外,第三换热器21为能量回收装置时,在第三换热器21
内储存的能量可以通过冷却液在温控器22内释放,进而调节车辆电池或者其他热管理对象的温度,这样有利于节约能源。
请参阅图7,与上述实施方式不同的是:第二流路切换装置20可以是五通阀或者至少两个多通阀的组合,温控器的数量可以是多个,如在本实施方式温控器的数量为三个,温控器包括第一温控器221、第二温控器222和第三温控器223,第一温控器221、第二温控器222和第三温控器223并行连接,当然也可以串行连接。具体地,第二流路切换装置20具有第一接口201和第二接口202、第三接口203和第四接口204、第五接口205;第三换热器21包括第一子换热器211和能量回收装置212,其中,第一子换热器211的第一端口与第一接口201连通,能量回收装置212的第一端口与第五接口205连通,第一子换热器211的第二端口、能量回收装置212的第二端口与第一换热器的冷却液流道连通,这样第一子换热器211和能量回收装置212分别与第二流路切换装置20的接口连通,相应地,冷却液***还包括第三泵25,其中,能量回收装置212通过第三泵25与第五接口205连通,第一子换热器211通过第一泵24与第一接口201或者第一换热器的冷却液流道连通。第一子换热器211和能量回收装置212分别与第二流路切换装置20连通,这样可以根据需要选择连通第一子换热器211或者能量回收装置212。
在热管理***的自循环模式、制冷模式和制冷模式,第二流路切换装置20内的通道使第一接口201与第二接口202连通,和/或,第二流路切换装置20内的通道使第五接口205与第二接口202连通;第二流路切换装置20的内部通道使第二接口202与第四接口204连通;这样可以根据需要
通过第二流路切换装置20选择连通第一子换热器211或者能量回收装置212。
在热管理***的散热模式,第二流路切换装置20内的通道使第一接口201与第三接口203连通,和/或,第二流路切换装置20内的通道使第五接口209与第三接口203连通;第二流路切换装置20内的通道使第二接口202与第四接口204连通。
另外,冷却液***还包括加热器25,加热器可以是电加热器或者其他形式的加热器,加热器25可以提高冷却液的温度,第一换热器11的冷却液流道能够通过加热器25与第三换热器21的冷却液流道连通,和/或,第二换热器13的冷却液流道能够通过加热器25与温控器22连通。
请参阅图8-图11所示意的热管理***,包括制冷剂***和冷却液***,热管理***包括第一换热器11和第二换热器13,第一换热器11和第二换热器13分别具有制冷剂流道和冷却液流道,其中制冷剂流道是制冷剂***的一部分,冷却液流道是冷却液***的一部分,制冷剂流道和冷却液流道未在图中示意,在一个具体的实施方式,第一换热器11和第二换热器13可以板式换热器。热管理***工作时,制冷剂***的制冷剂和冷却液***的冷却液能够在第一换热器11内热交换,制冷剂***的制冷剂和冷却液***的冷却液也能够在第二换热器13热交换,冷却液***包括水侧流路切换装置20、第三换热器21和温控器22,在本实施方式,温控器22用于调节热管理对象的温度,这里所述的调节热管理对象的温度指升高、降低或者维持热管理对象的温度。在车用热管理***,温控器22可以是水冷板,水冷板与车辆动力电池接触,用于调节车辆动力电池的温度;在智能充电
领域,温控器22的对象可以是待充电池或者其他电子设备。在本实施方式,水侧流路切换装置20为八通阀,在其他实施方式,水侧流路切换装置20可以是两个或者两个以上多通阀的组合,不再详细描述,水侧流路切换装置20具有与第一换热器11的冷却液流道连通的接口,水侧流路切换装置20具有与第二换热器13的冷却液流道连通的接口,水侧流路切换装置20具有与第三换热器21的冷却液流道连通的接口,水侧流路切换装置20具有与温控器22连通的接口。具体地,请参阅图8及图9,水侧流路切换装置20具有第一接口201、第二接口202、第三接口203、第四接口204、第五接口205、第六接口206、第七接口207和第八接口208,其中,第三换热器21与第一接口201连通,第三换热器21与第二接口202连通,或者说第一接口201和第二接口202可以通过第三换热器21连通,第一换热器11的冷却液流道分别与第三接口203、第四接口204连通,或者说第三接口203可以通过第一换热器11的冷却液流道与第四接口204连通,第二换热器13的冷却液流道分别与第五接口205、第六接口206连通,或者说第五接口205可以通过第二换热器13的冷却液流道与第六接口206连通,温控器22分别与第七接口207、第八接口208连通,或者说第七接口207可以通过温控器22与第八接口208连通。
在本实施方式,第三换热器21可以与空气或者气流热交换,第三换热器21内冷却液可以从气流中吸收或者释放热量,例如,第三换热器21可以是微通道换热器。在其他实施方式,第三换热器21也可以是能量回收装置,如流经能量回收装置的冷却液内热量或者冷量能够存储于能量回收装置,在热管理***需要时,能量回收装置内的热量或者冷量能够释放到冷
却液。
冷却液***还包括第一泵24和第二泵23,其中,第三换热器21通过第一泵24与水侧流路切换装置20连通,这样冷却液***工作时,第一泵24能够驱动第三换热器21内冷却液的流动,温控器22通过第二泵23与水侧流路切换装置20连通,第二泵23能够驱动温控器22内冷却液的流动。
在本实施方式,制冷剂***还包括压缩机10和节流元件12,具体地,压缩机10的出口与第一换热器11的制冷剂流道的入口连通,第一换热器11的制冷剂流道的出口通过节流元件12与第二换热器13的制冷剂流道入口连通,第二换热器13的制冷剂流道的出口与压缩机10的入口连通,当然在制冷剂***内还可以包括其他功能件,如贮液器或者气液分离器,这里不再详细描述。制冷剂***工作时,压缩机10的出口能够通过第一换热器11的制冷剂流道、节流元件12与第二换热器13的制冷剂流道连通,第二换热器13的制冷剂流道与压缩机10的入口连通,可以知道,第一换热器11为冷凝器,第一换热器11内的冷却液流道的冷却液被加热,第二换热器13为蒸发器,第二换热器13内的冷却液被冷却。
热管理***具有以下四种工作模式的至少其中之一,请参阅图8及图9-1,第一种工作模式:第一换热器11的冷却液流道通过水侧流路切换装置20与第三换热器21连通,第二换热器13的冷却液流道通过水侧流路切换装置20与温控器22连通;这样,制冷剂***的制冷剂中的热量通过冷却液在第三换热器21释放到空气中或者存储起来,制冷剂***的制冷剂中的冷量通过冷却液在温控器22降低车辆电池或者其他热管理对象的温度,进而实现车辆电池或者其他热管理对象的温度降低。在热管理***的第一
工作模式,水侧流路切换装置20处于第一工作状态:水侧流路切换装置20内的通道使第一接口201与第三接口203连通,水侧流路切换装置20内的通道使第二接口202与第四接口204连通,水侧流路切换装置20内的通道使第五接口205与第八接口208连通,水侧流路切换装置20内的通道使第六接口206与第七接口207连通。
请参阅图8及图9-2,第二种工作模式:第一换热器11的冷却液流道通过水侧流路切换装置20与温控器22连通,第二换热器13的冷却液流道通过水侧流路切换装置20与第三换热器21连通;这样,制冷剂***的制冷剂中的热量通过冷却液在温控器22提高车辆电池或者其他热管理对象的温度,进而实现车辆电池或者其他热管理对象的温度升温,制冷剂***的制冷剂通过冷却液在第三换热器21吸收空气中的热量或者存储起来。在热管理***的第二工作模式,水侧流路切换装置20处于第二工作状态:水侧流路切换装置20内的通道使第八接口208与第三接口203连通,水侧流路切换装置20内的通道使第四接口204与第七接口207连通,水侧流路切换装置20内的通道使第五接口205与第一接口201连通,水侧流路切换装置20内的通道使第六接口206与第二接口202连通。
请参阅图8及图9-3,第三种工作模式:第三换热器21通过水侧流路切换装置20与温控器22连通;在本实施方式,制冷剂***可以不工作,这样可以节约能源,温控器22内的冷却液中的热量或者冷量可以通过水侧流路切换装置20在第三换热器21释放或者存储起来,进而温控器22可以调节车辆电池或者其他热管理对象的温度。在热管理***的第三工作模式,水侧流路切换装置20处于第三工作状态:水侧流路切换装置20内的通道
使第一接口201与第七接口207连通,水侧流路切换装置20内的通道使第二接口202与第八接口208连通。
请参阅图9及图9-4,第四种工作模式:温控器22的冷却液流道的一端通过水侧流路切换装置20与温控器22的冷却液流道的另一端连通,这样,温控器22内的冷却液通过水侧流路切换装置20实现自循环。在热管理***的第四工作模式,水侧流路切换装置20处于第四工作状态:水侧流路切换装置20内的通道使第八接口208与第七接口207连通。
请参阅图10,第三换热器21也可以包括第一子换热211和能量回收装置212,其中第一子换热器211可以是微通道换热器,可以与气流热交换,在一个具体的实施方式,第一子换热器211与能量回收装置212串行连通,如图5所示意;或者,第一子换热器与能量回收装置并行设置,如图6所示意,水侧流路切换装置20能够与第一子换热器211与能量回收装置212的至少其中之一连通,这时需要三通阀或者三通流量调节阀进行选择连通第一子换热器或者能量回收装置。
本实施方式所提供的热管理***,包括制冷剂***和冷却液***,第一换热器11的冷却液流道、第二换热器13的冷却液流道、第三换热器21以及温控器22能够通过水侧流路切换装置20连通,进而实现热管理对象的温度调节,这样的热管理***相对简单。另外,第三换热器21为能量回收装置时,在第三换热器21内储存的能量可以通过冷却液在温控器22内释放,进而调节车辆电池或者其他热管理对象的温度,这样有利于节约能源。
请参阅图11,与上述实施方式不同的是:水侧流路切换装置20可以
是十通阀或者至少两个多通阀的组合,温控器的数量可以是多个,如在本实施方式温控器的数量为三个,温控器包括第一温控器221、第二温控器222和第三温控器223,第一温控器221、第二温控器222和第三温控器223并行连接,当然也可以串行连接。具体地,水侧流路切换装置20具有第一接口201和第二接口202、第九接口209和第十接口210;第三换热器21包括第一子换热器211和能量回收装置212,其中,第一子换热器211分别与第一接口201、第二接口202连通,或者说,第一接口201可以通过第一子换热器211与第二接口202连通,能量回收装置212分别与第九接口209和第十接口210连通,第九接口209可以通过能量回收装置与第十接口210连通。这样第一子换热器211和能量回收装置212分别与水侧流路切换装置20的接口连通,相应地,冷却液***还包括第三泵25,其中,能量回收装置212通过第三泵25与第九接口209或者第十接口210连通,第一子换热器211通过第一泵24与第一接口201或者第二接口202连通。第一子换热器和能量回收装置分别与水侧流路切换装置连通,这样可以根据需要选择连通第一子换热器或者能量回收装置。
在热管理***的第一工作模式,水侧流路切换装置20处于第一工作状态:水侧流路切换装置20内的通道使第一接口201与第三接口203连通,水侧流路切换装置20内的通道使第二接口202与第四接口204连通;和/或,水侧流路切换装置20内的通道使第九接口209与第三接口203连通,水侧流路切换装置20内的通道使第十接口210与第四接口204连通;水侧流路切换装置20内的通道使第五接口205与第八接口208连通,水侧流路切换装置20内的通道使第六接口206与第七接口207连通;
在热管理***的第二工作模式,水侧流路切换装置20处于第二工作状态:水侧流路切换装置20内的通道使第八接口208与第三接口203连通,水侧流路切换装置20内的通道使第四接口204与第七接口207连通;水侧流路切换装置20内的通道使第五接口205与第一接口201连通,水侧流路切换装置20内的通道使第六接口206与第二接口202连通;和/或,水侧流路切换装置20内的通道使第九接口209与第五接口205连通,水侧流路切换装置20内的通道使第十接口210与第六接口206连通;
在热管理***的第三工作模式,水侧流路切换装置20处于第三工作状态:水侧流路切换装置20内的通道使第一接口201与第七接口207连通,水侧流路切换装置20内的通道使第二接口202与第八接口208连通;和/或,水侧流路切换装置20内的通道使第九接口209与第七接口207连通,水侧流路切换装置20内的通道使第十接口210与第八接口208连通;
在热管理***的第四工作模式,水侧流路切换装置20处于第四工作状态:水侧流路切换装置20内的通道使第八接口208与第七接口207连通。
另外,冷却液***还包括电加热器25,电加热器25可以提高冷却液的温度,第一换热器11的冷却液流道能够通过电加热器25与水侧流路切换装置20连通,和/或者第二换热器13的冷却液流道能够通过电加热器25与水侧流路切换装置20连通。
需要说明的是:以上实施例仅用于说明本发明而并非限制本发明所描述的技术方案,尽管本说明书参照上述的实施例对本发明已进行了详细的说明,但是,本领域的普通技术人员应当理解,所属技术领域的技术人员仍然可以对本发明进行修改或者等同替换,而一切不脱离本发明的精神和
范围的技术方案及其改进,均应涵盖在本发明的权利要求范围内。
Claims (14)
- 一种热管理***,包括制冷剂***和冷却液***,所述热管理***包括第一换热器和第二换热器,所述第一换热器和所述第二换热器分别具有制冷剂流道和冷却液流道,所述制冷剂***和所述冷却液***能够在第一换热器热交换,所述制冷剂***和所述冷却液***能够在所述第二换热器热交换,所述冷却液***包括水侧流路切换装置、第三换热器和温控器,所述水侧流路切换装置具有与所述第一换热器的冷却液流道连通的接口,所述水侧流路切换装置具有与所述第二换热器的冷却液流道连通的接口,所述水侧流路切换装置具有与所述第三换热器的冷却液流道连通的接口,所述水侧流路切换装置具有与所述温控器连通的接口。
- 根据权利要求1所述的热管理***,其特征在于,所述热管理***具有以下四种工作模式的至少其中之一,第一种工作模式:所述第一换热器的冷却液流道通过所述水侧流路切换装置与所述第三换热器连通,所述第二换热器的冷却液流道通过所述水侧流路切换装置与所述温控器连通;第二种工作模式:所述第一换热器的冷却液流道通过所述水侧流路切换装置与所述温控器连通,所述第二换热器的冷却液流道通过所述水侧流路切换装置与所述第三换热器连通;第三种工作模式:所述第三换热器通过所述水侧流路切换装置与所述温控器连通;第四种工作模式:所述温控器的冷却液流道的一端通过所述水侧流路 切换装置与所述温控器的冷却液流道的另一端连通。
- 根据权利要求1或2所述的热管理***,其特征在于,所述水侧流路切换装置具有第一接口和第二接口,所述第三换热器与所述第一接口连通,所述第三换热器与所述第二接口连通;所述第三换热器包括第一子换热器和能量回收装置,所述第一子换热器与所述能量回收装置串行连通,或者所述第一子换热器与所述能量回收装置并行设置,所述水侧流路切换装置能够与所述第一子换热器与所述能量回收装置的至少其中之一连通。
- 根据权利要求3所述的热管理***,其特征在于,所述水侧流路切换装置具有第三接口、第四接口、第五接口、第六接口、第七接口和第八接口,所述第一换热器的冷却液流道分别与所述第三接口、所述第四接口连通,所述第二换热器的冷却液流道分别与所述第五接口、所述第六接口连通,所述温控器分别与所述第七接口、所述第八接口连通;在所述热管理***的第一工作模式,所述水侧流路切换装置处于第一工作状态:所述第一接口与所述第三接口连通,所述第二接口与所述第四接口连通,所述第五接口与所述第八接口连通,所述第六接口与所述第七接口连通;在所述热管理***的第二工作模式,所述水侧流路切换装置处于第二工作状态:所述第八接口与所述第三接口连通,所述第四接口与所述第七接口连通,所述第五接口与所述第一接口连通,所述第六接口与所述第二接口连通;在所述热管理***的第三工作模式,所述水侧流路切换装置处于第三工作状态:所述第一接口与所述第七接口连通,所述第二接口与所述第八接口连通;在所述热管理***的第四工作模式,所述水侧流路切换装置处于第四工作状态:所述第八接口与所述第七接口连通。
- 根据权利要求1或2所述的热管理***,其特征在于,所述水侧流路切换装置具有第一接口和第二接口、第九接口和第十接口;所述第三换热器包括第一子换热器和能量回收装置,所述第一子换热器分别与所述第一接口、第二接口连通,所述能量回收装置分别与所述第九接口和第十接口连通。
- 根据权利要求5所述的热管理***,其特征在于,所述水侧流路切换装置具有第三接口、第四接口、第五接口、第六接口、第七接口和第八接口,所述第一换热器的冷却液流道分别与所述第三接口、所述第四接口连通,所述第二换热器的冷却液流道分别与所述第四接口、所述第五接口连通,所述温控器分别与所述第七接口、所述第八接口连通;在所述热管理***的第一工作模式,所述水侧流路切换装置处于第一工作状态:所述第一接口与所述第三接口连通,所述第二接口与所述第四接口连通;和/或,所述第九接口与所述第三接口连通,所述第十接口与所述第四接口连通;所述第五接口与所述第八接口连通,所述第六接口与所述第七接口连通;在所述热管理***的第二工作模式,所述水侧流路切换装置处于第二 工作状态:所述第八接口与所述第三接口连通,所述第四接口与所述第七接口连通;所述第五接口与所述第一接口连通,所述第六接口与所述第二接口连通;和/或,所述第九接口与所述第五接口连通,所述第十接口与所述第六接口连通;在所述热管理***的第三工作模式,所述水侧流路切换装置处于第三工作状态:所述第一接口与所述第七接口连通,所述第二接口与所述第八接口连通;和/或,所述第九接口与所述第七接口连通,所述第十接口与所述第八接口连通;在所述热管理***的第四工作模式,所述水侧流路切换装置处于第四工作状态:所述第八接口与所述第七接口连通。
- 根据权利要求1-6任一所述的热管理***,其特征在于,所述制冷剂***包括压缩机和节流元件,所述制冷剂***工作时,所述压缩机的出口能够通过所述第一换热器的制冷剂流道、节流元件与所述第二换热器的制冷剂流道连通,所述第二换热器的制冷剂流道的与所述压缩机的入口连通。
- 根据权利要求1所述的热管理***,其特征在于,所述制冷剂***包括剂侧流路切换装置,用于切换所述制冷剂***内制冷剂的流向;在所述冷却液***的第一工作模式,所述冷却液***包括第一回路和第二回路的至少其中之一,在所述第一回路,所述第一换热器的冷却液流道能够通过所述水侧流路切换装置与所述第三换热器的冷却液流道连通;在所述第二回路,所述第二换热器的冷却液流道能够通过所述水侧流路切 换装置与所述温控器连通;在所述冷却液***的第二工作模式,所述冷却液***包括第三回路,在所述第三回路,所述第一换热器的冷却液流道能够通过所述水侧流路切换装置与所述第二换热器的冷却液流道连通,所述第三换热器的冷却液流道能够通过所述第二流体切换装置与所述温控器连通。
- 根据权利要求8所述的热管理***,其特征在于,所述制冷剂***包括压缩机和节流元件,沿所述制冷剂***的制冷剂流向,所述节流元件位于所述第一换热器的制冷剂流道和所述第二换热器的制冷剂流道之间,所述热管理***具有以下四种工作模式的至少其中之一,制冷模式:所述压缩机的出口经所述剂侧流路切换装置与所述第一换热器的制冷剂流道连通,所述第二换热器的制冷剂流道与所述压缩机的入口连通,所述冷却***处于第一工作模式,所述冷却液***包括所述第一回路和所述第二回路;制热模式:所述压缩机的出口经所述剂侧流路切换装置与所述第二换热器的制冷剂流道连通,所述第一换热器的制冷剂流道与所述压缩机的入口连通,所述冷却***处于第一工作模式,所述冷却液***包括所述第一回路和所述第二回路;自循环模式:所述压缩机不工作,所述冷却液***处于第一工作模式,所述冷却液***包括所述第二回路;散热模式:所述压缩机不工作,所述冷却液***处于第二工作模式。
- 根据权利要求8或9所述的热管理***,其特征在于,所述水侧 流路切换装置具有第一接口、第二接口、第三接口和第四接口,所述第三换热器的冷却液流道的第一端口与所述第一接口连通,所述第三换热器的冷却液流道的第二端口通过所述第一换热器的冷却液流道与所述第二接口连通;所述温控器的第一端口与所述第三接口连通,所述温控器的第二端口通过所述第二换热器的冷却液流道与所述第四接口连通;在所述冷却液***的第一工作模式,所述水侧流路切换装置使第一接口与所述第二接口连通,所述水侧流路切换装置使第三接口与所述第四接口连通;在所述冷却液***的第二工作模式,所述水侧流路切换装置使第二接口与所述第四接口连通,所述水侧流路切换装置使第三接口与所述第一接口连通。
- 根据权利要求10所述的热管理***,其特征在于,所述第三换热器包括第一子换热器和能量回收装置,所述第一子换热器与所述能量回收装置串行连通,所述第三换热器的第一端口通过所述第一子换热器、所述能量回收装置与所述第三换热器的第二端口连通;或者所述第一子换热器与所述能量回收装置并行设置,所述水侧流路切换装置能够与所述第一子换热器与所述能量回收装置的至少其中之一连通。
- 根据权利要求8或9所述的热管理***,其特征在于,所述水侧流路切换装置具有第一接口、第二接口和第五接口;所述第三换热器包括第一子换热器和能量回收装置,所述第一子换热器的第一端口与所述第一接口连通,所述第一子换热器的第二端口通过所 述第一换热器的冷却液流道与所述第二接口连通,所述能量回收装置的第一端口与所述第五接口连通,所述能量回收装置的第二端口通过所述第一换热器的冷却液流道与所述第二接口连通。
- 根据权利要求12所述的热管理***,其特征在于,所述水侧流路切换装置具有第三接口、第四接口,所述温控器的第一端口与所述第三接口连通,所述温控器的第二端口通过所述第二换热器的冷却液流道与所述第四接口连通;在所述冷却液***的第一工作模式,所述水侧流路切换装置使第一接口与所述第二接口连通,和/或,所述水侧流路切换装置使第五接口与所述第二接口连通;所述水侧流路切换装置使第三接口与所述第四接口连通;在所述冷却液***的第二工作模式,所述水侧流路切换装置使第二接口与所述第四接口连通,所述水侧流路切换装置使第三接口与所述第一接口连通,和/或,所述水侧流路切换装置使第三接口与所述第五接口连通。
- 根据权利要求8-13任一所述的热管理***,其特征在于,所述剂侧流路切换装置具有第一连接口、第二连接口、第三连接口和第四连接口,所述压缩机与所述第一连接口连通,所述第一换热器的制冷剂流道的一端口与所述第二接口连通,所述第二换热器的制冷剂流道的一端口与所述压缩机的入口连通;在热管理***的制热模式,所述第一连接口与所述第三连接口连通,所述第二连接口与所述第四连接口连通;在热管理***的制冷模式,所述第一连接口与所述第二连接口连通, 所述第三连接口与所述第四连接口连通。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210130632.4A CN116619973A (zh) | 2022-02-12 | 2022-02-12 | 热管理*** |
CN202210130632.4 | 2022-02-12 | ||
CN202210161252.7A CN116674336A (zh) | 2022-02-22 | 2022-02-22 | 热管理*** |
CN202210161252.7 | 2022-02-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023151639A1 true WO2023151639A1 (zh) | 2023-08-17 |
Family
ID=87563656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2023/075364 WO2023151639A1 (zh) | 2022-02-12 | 2023-02-10 | 热管理*** |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2023151639A1 (zh) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120266624A1 (en) * | 2011-04-21 | 2012-10-25 | Denso Corporation | Heat pump cycle |
CN108528170A (zh) * | 2018-04-27 | 2018-09-14 | 湖南华强电气股份有限公司 | 一种空调电池热泵*** |
CN109747388A (zh) * | 2017-11-02 | 2019-05-14 | 福特全球技术公司 | 蒸气喷射热泵和控制方法 |
CN112319181A (zh) * | 2020-12-01 | 2021-02-05 | 南京协众汽车空调集团有限公司 | 一种新能源汽车整车集成式热管理***及其工作方法 |
CN112428768A (zh) * | 2020-05-29 | 2021-03-02 | 杭州三花研究院有限公司 | 热管理*** |
CN214112339U (zh) * | 2020-08-21 | 2021-09-03 | 三花控股集团有限公司 | 热管理*** |
-
2023
- 2023-02-10 WO PCT/CN2023/075364 patent/WO2023151639A1/zh unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120266624A1 (en) * | 2011-04-21 | 2012-10-25 | Denso Corporation | Heat pump cycle |
CN109747388A (zh) * | 2017-11-02 | 2019-05-14 | 福特全球技术公司 | 蒸气喷射热泵和控制方法 |
CN108528170A (zh) * | 2018-04-27 | 2018-09-14 | 湖南华强电气股份有限公司 | 一种空调电池热泵*** |
CN112428768A (zh) * | 2020-05-29 | 2021-03-02 | 杭州三花研究院有限公司 | 热管理*** |
CN214112339U (zh) * | 2020-08-21 | 2021-09-03 | 三花控股集团有限公司 | 热管理*** |
CN112319181A (zh) * | 2020-12-01 | 2021-02-05 | 南京协众汽车空调集团有限公司 | 一种新能源汽车整车集成式热管理***及其工作方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111216515B (zh) | 一种电动汽车热管理*** | |
WO2020108532A1 (zh) | 车辆热管理***及其控制方法、车辆 | |
WO2020108542A1 (zh) | 车辆热管理***及其控制方法、车辆 | |
CN110422082B (zh) | 一种混合动力汽车集成式热管理***及其控制方法 | |
CN207132597U (zh) | 换热器和空调器 | |
CN111251802B (zh) | 车辆的热管理***及车辆 | |
US11840122B2 (en) | Thermal management system | |
CN111231772B (zh) | 车辆热管理***及其控制方法、车辆 | |
CN213228245U (zh) | 车辆热管理***和车辆 | |
CN113059980B (zh) | 集成式热管理***和车辆 | |
CN104964371A (zh) | 组合式空调*** | |
CN216659503U (zh) | 车辆热管理*** | |
CN216184328U (zh) | 流体控制组件、热管理***及车辆 | |
US20230391160A1 (en) | Thermal management system | |
CN111854208B (zh) | 热管理*** | |
WO2023151639A1 (zh) | 热管理*** | |
US11926192B2 (en) | Refrigerant heat exchange apparatus and indirect heat pump system | |
CN114562775B (zh) | 空调***及其控制方法 | |
CN111251808A (zh) | 车辆的热管理***及车辆 | |
CN111251810B (zh) | 车辆的热管理***及车辆 | |
CN116674336A (zh) | 热管理*** | |
CN221379530U (zh) | 热管理***及储能设备 | |
CN116619973A (zh) | 热管理*** | |
CN220669821U (zh) | 一种热泵***及空调 | |
CN215336705U (zh) | 空调器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 23752418 Country of ref document: EP Kind code of ref document: A1 |