CN213831271U - Vehicle and thermal management system thereof - Google Patents
Vehicle and thermal management system thereof Download PDFInfo
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- CN213831271U CN213831271U CN202022649632.4U CN202022649632U CN213831271U CN 213831271 U CN213831271 U CN 213831271U CN 202022649632 U CN202022649632 U CN 202022649632U CN 213831271 U CN213831271 U CN 213831271U
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Abstract
The utility model relates to a vehicle and thermal management system thereof, wherein, the thermal management system of vehicle includes air conditioning circuit (10), PTC heating circuit (20) and is used for heat dissipation circuit (30) of motor and battery, the air conditioning circuit with heat dissipation circuit is linked together through cold water machine (3), air conditioning circuit (10) with PTC heating circuit (20) are linked together through water-cooled condenser (4), PTC heating circuit (20) with heat dissipation circuit (30) are linked together through multi-ported switching-over valve (5). In the heat management system provided by the disclosure, the air conditioning loop, the PTC heating loop and the heat dissipation loop for the motor and the battery are communicated, so that the functions of battery heat dissipation and heating, heating and refrigeration of a passenger compartment, full utilization of waste heat of the motor and the like can be met, the requirements of cooling, heating, waste heat recovery and the like under different working conditions are met, all functions of whole vehicle heat management are realized, smooth switching can be realized under various working modes, and the maximization of energy utilization is realized.
Description
Technical Field
The disclosure relates to the technical field of vehicle thermal management, in particular to a vehicle and a thermal management system thereof.
Background
In the research and development process of new energy automobiles, the endurance mileage of the automobiles is more concerned, the air conditioner is a large user consuming the energy of the whole automobile and accounts for about 15% of the energy consumption of the automobiles, and therefore, the development of a heat pump air conditioning system is needed to reduce the heating energy consumption of a low-temperature air conditioner. Currently, heat pump vehicle types come into the market, but due to the fact that different system architectures are adopted, air conditioning systems are controlled differently, energy management of whole vehicle heat management cannot be integrated, and energy waste is caused.
SUMMERY OF THE UTILITY MODEL
The first purpose of this disclosure is to provide a thermal management system of vehicle, this system can satisfy the demand of battery heat dissipation and heating, and the used heat of make full use of motor simultaneously satisfies needs such as cooling, heating under the different operating modes.
A second object of the present disclosure is to provide a vehicle comprising a thermal management system as provided by the present disclosure.
In order to achieve the above object, the present disclosure provides a thermal management system for a vehicle, including an air conditioning circuit, a PTC heating circuit, and a heat dissipation circuit for a motor and a battery, the air conditioning circuit and the heat dissipation circuit are communicated through a water chiller, the air conditioning circuit and the PTC heating circuit are communicated through a water-cooled condenser, and the PTC heating circuit and the heat dissipation circuit are communicated through a multi-way selector valve.
Optionally, the thermal management system has at least one of the following modes of operation:
a refrigeration mode, wherein the air conditioning loop can be selectively adopted to refrigerate the passenger compartment and/or a water chiller in the air conditioning loop is adopted to cool the battery;
a heating mode in which one of the PTC heating circuit, the air conditioning circuit, and the recovered heat generated by the motor is selectively used to heat a passenger compartment, or a water chiller in the PTC heating circuit and the air conditioning circuit is used to heat a battery; and
a heat dissipation mode in which the motor and/or the battery is cooled by a heat sink.
Optionally, the cooling mode comprises:
a first refrigeration mode, wherein an outdoor heat exchanger in the air-conditioning loop is adopted to refrigerate the passenger compartment;
a second refrigeration mode, wherein a water cooler in the air-conditioning loop is adopted to cool the battery; and
and in the third refrigeration mode, the outdoor heat exchanger in the air-conditioning loop is adopted to refrigerate the passenger compartment, and meanwhile, the water cooler in the air-conditioning loop is adopted to cool the battery.
Optionally, the heating mode includes:
the first heating mode adopts the PTC heating loop to heat the passenger compartment;
the second heating mode adopts the PTC heating loop to heat the battery;
a third heating mode, wherein the air conditioning loop and the PTC heating loop are adopted to heat the passenger compartment;
a fourth heating mode in which the PTC heating circuit heats the passenger compartment using heat generated by the motor;
a fifth heating mode in which the air conditioning circuit and the PTC heating circuit heat the passenger compartment using heat generated by the motor; and
and in a sixth heating mode, the PTC heating loop is adopted to heat the passenger compartment, and a water cooler in the air-conditioning loop is adopted to heat the battery.
Optionally, the thermal management system further has at least a dehumidification mode, and the dehumidification mode includes at least:
a first dehumidification mode for dehumidifying the passenger compartment by using an evaporator in the air-conditioning loop; and
and in the second dehumidification mode, an outdoor heat exchanger and an evaporator in the air-conditioning loop are adopted to dehumidify the passenger compartment, and the outdoor heat exchanger and the evaporator are arranged in parallel.
Optionally, the heat dissipation loop includes a motor heat dissipation loop and a battery heat dissipation loop connected to each other, and a radiator connected in parallel to the motor heat dissipation loop and the battery heat dissipation loop, and the water chiller is connected in parallel to the radiator.
Optionally, the air conditioning loop includes a compressor, the water-cooled condenser, the outdoor heat exchanger, a first check valve, a first electronic expansion valve, the evaporator, the atmosphere, and a second electronic expansion valve and the water chiller connected in parallel with the evaporator, which are connected in sequence, and the air conditioning loop further includes a first electromagnetic valve connected in parallel with the water-cooled condenser.
Optionally, the PTC heating circuit includes a warm air core, the multi-way reversing valve, an overflow tank, a first water pump, and a PTC heater, which are connected in sequence.
Optionally, the multi-way reversing valve is a four-way reversing valve.
According to a second aspect of the present disclosure, there is also provided a vehicle including the thermal management system of the vehicle described above.
Through the technical scheme, in the heat management system provided by the disclosure, the air conditioning loop, the PTC heating loop and the heat dissipation loop for the motor and the battery are communicated, so that the functions of heat dissipation and heating of the battery, heating and refrigeration of a passenger compartment, full utilization of motor waste heat and the like can be met, the requirements of cooling, heating, waste heat recovery and the like under different working conditions are met, all functions of heat management of the whole vehicle are realized, smooth switching can be realized under multiple working modes, and the maximization of energy utilization is realized.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
FIG. 1 is a schematic illustration of a thermal management system of a vehicle provided by an exemplary embodiment of the present disclosure;
FIG. 2 is a schematic illustration of a first cooling mode of a thermal management system of a vehicle provided by an exemplary embodiment of the present disclosure;
FIG. 3 is a schematic illustration of a second cooling mode of the thermal management system of the vehicle provided by an exemplary embodiment of the present disclosure;
FIG. 4 is a schematic illustration of a third cooling mode of the thermal management system of the vehicle provided by an exemplary embodiment of the present disclosure;
FIG. 5 is a schematic illustration of a first heating mode of a thermal management system of a vehicle according to an exemplary embodiment of the present disclosure;
FIG. 6 is a schematic illustration of a second heating mode of a thermal management system of a vehicle according to an exemplary embodiment of the present disclosure;
FIG. 7 is a schematic illustration of a third heating mode of a thermal management system of a vehicle according to an exemplary embodiment of the present disclosure;
FIG. 8 is a schematic illustration of a fourth heating mode of a thermal management system of a vehicle according to an exemplary embodiment of the present disclosure;
FIG. 9 is a schematic illustration of a fifth heating mode of a thermal management system of a vehicle according to an exemplary embodiment of the present disclosure;
FIG. 10 is a schematic illustration of a sixth heating mode of a thermal management system for a vehicle according to an exemplary embodiment of the present disclosure;
FIG. 11 is a schematic illustration of a first heat dissipation mode in a thermal management system of a vehicle provided by an exemplary embodiment of the present disclosure;
FIG. 12 is a schematic illustration of a second heat dissipation mode in a thermal management system of a vehicle provided by an exemplary embodiment of the present disclosure;
FIG. 13 is a schematic illustration of a first dehumidification mode of a thermal management system of a vehicle according to an exemplary embodiment of the present disclosure;
FIG. 14 is a schematic illustration of a second dehumidification mode of a thermal management system of a vehicle according to an exemplary embodiment of the present disclosure.
Description of the reference numerals
10 air-conditioning loop 20 PTC heating loop
30 heat dissipation loop 1 motor
2 battery 3 water cooling machine
4 water-cooled condenser 5 multi-way reversing valve
6 radiator 7 outdoor heat exchanger
8 evaporator 9 compressor
11 first check valve 12 first electronic expansion valve
13 atmosphere 14 first electromagnetic valve
15 warm air core 16 overflow tank
17 first water pump 18 PTC heater
19 second solenoid valve 21 third solenoid valve
22 fourth solenoid valve 23 second electronic expansion valve
24 third electronic expansion valve 25 second water pump
26 third Water Pump 27 first two-position three-way solenoid valve
28 second two-position three-way solenoid valve 29 first three-way
31 second tee 32 third tee
33 second check valve 34 fifth solenoid valve
35 three-in-one
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, the terms "first", "second", and the like, used in the present disclosure, are not intended to distinguish one element from another, and are not sequential or important. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated.
As shown in fig. 1, the present disclosure provides a thermal management system of a vehicle, which includes an air conditioning circuit 10, a PTC heating circuit 20, and a heat dissipation circuit 30 for a motor 1 and a battery 2, the air conditioning circuit 10 and the heat dissipation circuit 30 being communicated through a chiller (chiller)3, the air conditioning circuit 10 and the PTC heating circuit 20 being communicated through a water-cooled condenser 4, and the PTC heating circuit 20 and the heat dissipation circuit 30 being communicated through a multi-way selector valve 5. Here, it should be noted that the air conditioning circuit 10 includes air conditioning cooling and heating; the PTC heating circuit 20 adopts a heater, which can convert electric energy into heat energy to realize heating; the heat dissipation loop 30 adopts the cooling liquid circulating in the radiator 6 to cool the battery 2 and the motor 1, so as to ensure the normal operation of the battery and the motor. In addition, the thermal management system is not limited to pure electric vehicles, but also can be applied to hybrid electric vehicles and the like.
Through the technical scheme, in the heat management system provided by the disclosure, the air conditioning loop 10, the PTC heating loop 20 and the heat dissipation loop 30 for the motor 1 and the battery 2 are communicated, so that the functions of heat dissipation and heating of the battery 2, heating and refrigeration of a passenger compartment, full utilization of motor waste heat and the like can be met, the requirements of cooling, heating, waste heat recovery and the like under different working conditions are met, all functions of whole vehicle heat management are realized, smooth switching can be realized under multiple working modes, and the maximization of energy utilization is realized.
Referring to fig. 2-12, the present disclosure provides a thermal management system having at least one of the following modes of operation: a refrigeration mode, wherein the air-conditioning loop 10 can be selectively adopted to refrigerate the passenger compartment and/or the water cooler 3 in the air-conditioning loop 10 is adopted to cool the battery 2; a heating mode in which the passenger compartment is heated by selectively using one of the heat generated by the PTC heating circuit 20, the air-conditioning circuit 10, and the recovered motor 1, or the battery 2 is heated by using the water chiller 3 in the PTC heating circuit 20 and the air-conditioning circuit 10; and a heat radiation mode in which the motor 1 and/or the battery 2 are cooled using the heat radiator 6.
Specifically, referring to fig. 2 to 4, the cooling mode includes: the first refrigeration mode is suitable for being used at the temperature of more than 15 ℃, the passenger compartment is refrigerated by adopting the outdoor heat exchanger 7 in the air-conditioning loop 10, namely 9-14-7-11-12-8-13-9, the outdoor heat exchanger 7 is arranged at the front end of the vehicle and behind a ventilation grille, and can be directly ventilated to absorb heat through heat exchange with the environment through refrigerant circulation so as to achieve the refrigeration effect; a second refrigeration mode, suitable for temperatures above 15 ℃, using the water chiller 3 in the air conditioning circuit 10 to cool the battery 2, i.e. the air conditioning circuit: 9-14-7-11-12-3-13-9, heat dissipation loop: 9-14-7-11-12-3-13-9; and a third refrigeration mode, suitable for temperatures above 15 ℃, for refrigerating the passenger compartment with the outdoor heat exchanger 7 in the air-conditioning circuit 10, while cooling the battery 2 with the water chiller 3 in the air-conditioning circuit 10, i.e. the air-conditioning circuit: 9-14-7-11-12-8-33-13-9 or 9-14-7-11-24-3-13-9, so as to realize double refrigeration of the passenger compartment and the battery 2.
Referring to fig. 5 to 10, the heating mode includes: a first heating mode, suitable for-20 ℃ to 30 ℃, using the PTC heating circuit 20 to heat the passenger compartment, i.e. 15-5-16-4-17-18-15; the second heating mode is suitable for being used at the temperature of between 20 ℃ below zero and 30 ℃, the PTC heating loop 20 is adopted to heat the battery 2, namely 15-5-29-26-2-28-5-16-4-17-18-15, so as to ensure the normal work of the battery 2 in a low-temperature environment; a third heating mode, suitable for-10 ℃ to 15 ℃, for heating the passenger compartment with the air-conditioning circuit 10 and the PTC heating circuit 20, i.e. the air-conditioning circuit: 9-4-23-7-22-13-9, PTC heating circuit: 15-5-16-4-17-18-15; a fourth heating mode, which is suitable for a temperature range of-20 ℃ to 0 ℃, the PTC heating circuit 20 heats the passenger compartment using heat generated by the motor 1, that is, an air conditioning circuit: 9-4-34-24-3-13-9, PTC heating circuit: 15-5-16-4-17-18-15, heat dissipation loop: 35-1-27-3-21-32-31-25-35, the motor waste heat at low temperature enters the air conditioning loop 10 through the water chiller 3, wherein the water-cooled condenser 4 is a refrigerant circulating heat dissipation device, the PTC heating loop 20 realizes the heat transfer of the refrigerant to water through the water-cooled condenser 4, so that the water is heated, the water enters the warm air core body 15 to realize the heating of the member cabin, and the problem that the engine waste heat at low temperature cannot be utilized is solved; and a fifth heating mode, which is suitable for heating the passenger compartment by the heat generated by the motor 1 in the air conditioning circuit 10 and the PTC heating circuit 20 at-10 ℃ to 0 ℃. An air conditioning loop: 9-4-23-7-22-13-9 or 9-4-34-24-3-13-9, PTC heating circuit: 15-5-16-4-17-18-15, heat dissipation loop: 35-1-27-3-21-32-31-25-35; and a sixth heating mode, wherein when the temperature is between 10 ℃ below zero and 0 ℃, the passenger compartment is heated by adopting the PTC heating loop 20, and the battery 2 is heated by adopting the water cooler 3 in the air-conditioning loop 10, namely the air-conditioning loop: 9-4-23-7-22-13-9 or 9-4-34-24-3-13-9, PTC heating circuit: 15-5-16-4-17-18-15, heat dissipation loop: 2-28-3-21-32-29-26-2, and solves the problem that the waste heat of the battery can not be utilized at low temperature.
Referring to fig. 13, 14, the thermal management system also has at least a dehumidification mode, and the dehumidification mode includes at least: a first dehumidification mode, suitable for 10 ℃ to 20 ℃, with self-circulation dehumidification of the passenger compartment with the evaporator 8 in the air-conditioning circuit 10, i.e. the air-conditioning circuit: 9-4-34-12-8-33-13-9 is the self-circulation dehumidification process of the air conditioner; and a second dehumidification mode, suitable for 0 ℃ to 10 ℃, for dehumidifying the passenger compartment with the outdoor heat exchanger 7 and the evaporator 8 in the air-conditioning circuit 10, the outdoor heat exchanger 7 and the evaporator 8 being arranged in parallel.
Referring to fig. 11 and 12, the heat dissipation circuit 30 includes a motor heat dissipation circuit and a battery heat dissipation circuit connected to each other, and a radiator 6 connected in parallel to the motor heat dissipation circuit and the battery heat dissipation circuit, and the water chiller 3 is connected in parallel to the radiator 6. Specifically, in the first heat dissipation mode, i.e., 2-28-19-6-31-32-29-26-2, the battery 2 is cooled using the heat sink 6, and in the second heat dissipation mode, i.e., 6-31-32-29-26-2-28-19-6 or 6-31-25-35-1-27-6, the motor 1 and the battery 2 are simultaneously cooled using the same heat sink 6.
According to some embodiments, referring to fig. 1, the air conditioning loop 10 includes a compressor 9, a water-cooled condenser 4, an outdoor heat exchanger 7, a first check valve 11, a first electronic expansion valve 12, an evaporator 8, an atmosphere 13, and a third electronic expansion valve 24 and a water chiller 3 connected in parallel with the evaporator 8, which are connected in sequence, and the air conditioning loop 10 further includes a first solenoid valve 14 connected in parallel with the water-cooled condenser 4, and in a cooling mode, the water-cooled condenser 4 is short-circuited through the first solenoid valve 14, so that an exhaust flow resistance is reduced, power consumption of the compressor 9 is reduced, and cooling efficiency is improved.
Further, referring to fig. 1, the PTC heating circuit 20 includes a warm air core 15, a multi-way reversing valve 5, an overflow tank 16, a first water pump 17, and a PTC heater 18, which are connected in sequence.
Specifically, the multi-way reversing valve 5 may be a four-way reversing valve to achieve the on/off of the air conditioning circuit 10, the PTC heating circuit 20, and the heat dissipation circuit 30.
According to a second aspect of the present disclosure, a vehicle is further provided, where the vehicle includes the thermal management system of the vehicle, and the vehicle has all the beneficial effects of the thermal management system, and details are not repeated here.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (10)
1. The heat management system of the vehicle is characterized by comprising an air conditioning loop (10), a PTC heating loop (20) and a heat dissipation loop (30) used for a motor (1) and a battery (2), wherein the air conditioning loop (10) is communicated with the heat dissipation loop (30) through a water cooler (3), the air conditioning loop (10) is communicated with the PTC heating loop (20) through a water-cooled condenser (4), and the PTC heating loop (20) is communicated with the heat dissipation loop (30) through a multi-way reversing valve (5).
2. The vehicle thermal management system of claim 1, wherein the thermal management system has at least one of the following modes of operation:
a cooling mode, wherein the air conditioning loop (10) can be selectively used for cooling a passenger cabin and/or a water cooler (3) in the air conditioning loop (10) is used for cooling a battery (2);
a heating mode in which the passenger compartment is heated by selectively using one of the PTC heating circuit (20), the air conditioning circuit (10), and the recovered heat generated by the motor (1), or the battery (2) is heated by using the PTC heating circuit (20) and the water cooler (3) in the air conditioning circuit (10); and
a heat dissipation mode, wherein a heat sink (6) is used for cooling the motor (1) and/or the battery (2).
3. The vehicle thermal management system of claim 2, wherein the cooling mode comprises:
a first refrigeration mode in which the passenger compartment is refrigerated using an outdoor heat exchanger (7) in the air conditioning circuit (10);
a second refrigeration mode, wherein a water cooler (3) in the air-conditioning loop (10) is adopted to cool the battery (2); and
and in the third refrigeration mode, the outdoor heat exchanger (7) in the air-conditioning loop (10) is adopted to refrigerate the passenger compartment, and the water chiller (3) in the air-conditioning loop (10) is adopted to cool the battery (2) at the same time.
4. The vehicle thermal management system of claim 2, wherein the heating mode comprises:
a first heating mode in which the passenger compartment is heated by the PTC heating circuit (20);
a second heating mode, wherein the battery (2) is heated by adopting the PTC heating loop (20);
a third heating mode for heating the passenger compartment by using the air conditioning circuit (10) and the PTC heating circuit (20);
a fourth heating mode, wherein the PTC heating loop (20) heats the passenger compartment by using the heat generated by the motor (1);
a fifth heating mode in which the air conditioning circuit (10) and the PTC heating circuit (20) heat the passenger compartment using heat generated by the motor (1); and
and in a sixth heating mode, the PTC heating loop (20) is adopted to heat the passenger compartment, and meanwhile, the water cooler (3) in the air-conditioning loop (10) is adopted to heat the battery (2).
5. The vehicle thermal management system of claim 2, wherein the thermal management system further has at least a dehumidification mode, and the dehumidification mode comprises at least:
a first dehumidification mode, wherein an evaporator (8) in the air conditioning circuit (10) is adopted to dehumidify the passenger compartment; and
and a second dehumidification mode, wherein an outdoor heat exchanger (7) and an evaporator (8) in the air-conditioning loop (10) are adopted to dehumidify the passenger compartment, and the outdoor heat exchanger (7) and the evaporator (8) are arranged in parallel.
6. The thermal management system of a vehicle according to claim 1, characterized in that the heat dissipation circuit (30) comprises a motor heat dissipation circuit and a battery heat dissipation circuit connected in parallel, and a radiator (6) connected in parallel with the motor heat dissipation circuit and the battery heat dissipation circuit, the water chiller (3) being connected in parallel with the radiator (6).
7. The thermal management system of a vehicle according to claim 5, characterized in that said air-conditioning circuit (10) comprises, connected in sequence, a compressor (9), said water-cooled condenser (4), said outdoor heat exchanger (7), a first one-way valve (11), a first electronic expansion valve (12), said evaporator (8), an atmosphere (13), and a third electronic expansion valve (24) and said water chiller (3) in parallel with said evaporator (8), said air-conditioning circuit (10) further comprising a first solenoid valve (14) in parallel with said water-cooled condenser (4).
8. The thermal management system of a vehicle according to claim 1, characterized in that the PTC heating circuit (20) comprises a warm air core (15), the multi-way reversing valve (5), a water overflow tank (16), a first water pump (17), and a PTC heater (18) connected in series.
9. The thermal management system of a vehicle according to claim 1, characterized in that said multi-way reversing valve (5) is a four-way reversing valve.
10. A vehicle characterized by comprising a thermal management system of a vehicle according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022649632.4U CN213831271U (en) | 2020-11-16 | 2020-11-16 | Vehicle and thermal management system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022649632.4U CN213831271U (en) | 2020-11-16 | 2020-11-16 | Vehicle and thermal management system thereof |
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| Publication Number | Publication Date |
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| CN213831271U true CN213831271U (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022649632.4U Active CN213831271U (en) | 2020-11-16 | 2020-11-16 | Vehicle and thermal management system thereof |
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| CN (1) | CN213831271U (en) |
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