CN113580872B - Vehicle and thermal management system thereof - Google Patents
Vehicle and thermal management system thereof Download PDFInfo
- Publication number
- CN113580872B CN113580872B CN202010368153.7A CN202010368153A CN113580872B CN 113580872 B CN113580872 B CN 113580872B CN 202010368153 A CN202010368153 A CN 202010368153A CN 113580872 B CN113580872 B CN 113580872B
- Authority
- CN
- China
- Prior art keywords
- circuit
- motor
- cooling
- thermal management
- battery pack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001816 cooling Methods 0.000 claims abstract description 90
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000010438 heat treatment Methods 0.000 claims abstract description 50
- 238000004378 air conditioning Methods 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 239000000110 cooling liquid Substances 0.000 abstract description 7
- 230000017525 heat dissipation Effects 0.000 description 12
- 239000002826 coolant Substances 0.000 description 6
- 238000011065 in-situ storage Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
-
- 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
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
-
- 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
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/03—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant
- B60H1/034—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant from the cooling liquid of the propulsion plant and from an electric heating device
-
- 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
- B60H1/32—Cooling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
-
- 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
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H2001/00307—Component temperature regulation using a liquid flow
-
- 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
- B60H1/32—Cooling devices
- B60H2001/3286—Constructional features
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Air-Conditioning For Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present disclosure relates to a vehicle and a thermal management system thereof, the thermal management system including a first cooling circuit for cooling a motor system, a second cooling circuit for cooling a battery pack, an air conditioning circuit, and a PTC heating circuit, the first cooling circuit and the second cooling circuit being connected through a first multi-way reversing valve and a second multi-way reversing valve, the second cooling circuit and the air conditioning circuit being connected through a chiller, the second cooling circuit and the PTC heating circuit being connected through a panel changer, such that the motor system and the battery pack can be selectively cooled through the chiller connected into the air conditioning circuit, or heated through the panel changer connected into the PTC heating circuit. Through two multi-way reversing valves, a water chiller connected with an air conditioner loop and a battery plate exchanger connected with a PTC heating loop, the motor cooling loop, the battery cooling loop, the air conditioner loop and the PTC heating loop are connected, the circulation direction of cooling liquid can be changed according to requirements, the cooling liquid is reasonably distributed, and the thermal management efficiency is effectively improved.
Description
Technical Field
The present disclosure relates to the field of vehicle thermal management technology, and in particular, to a vehicle and a thermal management system thereof.
Background
In a thermal management system of a vehicle, including a motor system cooling circuit, a battery system low-temperature heat dissipation circuit, a battery system higher-temperature cooling circuit, a battery system heating circuit, a passenger compartment heater heating circuit, a passenger compartment cooling circuit, and the like, the cooling requirements of the motor system, the heating and cooling requirements of the battery system, and the cooling and heating requirements of passengers can be satisfied. However, in the related art, the multiple circuits are independent of each other, so that effective energy utilization cannot be achieved, and the heat dissipation requirement in the charging process of the electric vehicle cannot be met.
Disclosure of Invention
A first object of the present disclosure is to provide a thermal management system for a vehicle, which can implement intelligent distribution of heat of the whole vehicle, and improve efficiency and utilization rate of thermal management.
A second object of the present disclosure is to provide a vehicle that includes the thermal management system provided by the present disclosure.
In order to achieve the above object, the present disclosure provides a thermal management system of a vehicle, including a first cooling circuit for cooling a motor system, a second cooling circuit for cooling a battery pack, an air conditioning circuit, and a PTC heating circuit, the first cooling circuit and the second cooling circuit being connected through a first multi-way reversing valve and a second multi-way reversing valve, the second cooling circuit and the air conditioning circuit being connected through a cold water machine, the second cooling circuit and the PTC heating circuit being connected through a panel heat exchanger, such that the motor system and the battery pack can be selectively cooled through the cold water machine connected into the air conditioning circuit, or heated through the panel heat exchanger connected into the PTC heating circuit.
Optionally, the first multi-way reversing valve and the second multi-way reversing valve are six-way valves, the water chiller and the battery board exchanger are connected in series, and the thermal management system has at least one of the following working modes: in the first working mode, the motor system and the battery pack are connected in series and are cooled by a water chiller connected into the air conditioning loop; the second working mode is that the motor system is connected with the battery pack in parallel, the motor system is cooled by a motor radiator in the first cooling loop, and the battery pack is cooled by a water chiller connected into the air conditioning loop; the third working mode is that the motor system is connected with the battery pack in parallel, the motor system is cooled by a motor radiator in the first cooling loop, and the battery pack is cooled by a battery radiator in the second cooling loop; in a fourth working mode, the motor system is connected with the battery pack in series, and heat generated in the working process of the motor system is used for heating the battery pack; in a fifth working mode, the motor system is connected with the battery pack in parallel, heat generated in the working process of the motor system is used for heat preservation, and the battery pack is heated through a battery plate exchanger connected into the PTC heating loop; and in a sixth working mode, the motor system and the battery pack are connected in series, and the battery pack is heated by a battery plate exchanger connected into the PTC heating loop.
Optionally, the first cooling circuit includes motor assembly, the power assembly that fills, first auxiliary water tank, first water pump, motor radiator and the setting are in the first fan of motor radiator one side that is connected, motor assembly with fill the power assembly and connect in parallel, thermal management system still has at least: in a seventh mode of operation, the motor assembly is not in operation, and the charging assembly is selectively cooled by the motor radiator (16) or by a chiller that is connected to the air conditioning circuit.
Optionally, the second cooling circuit comprises a battery pack, a second auxiliary water tank, a second water pump, a battery radiator, a water chiller and a battery plate exchanger which are connected in parallel with the battery radiator.
Optionally, the first auxiliary water tank is connected in series or parallel to the first cooling circuit, and the second auxiliary water tank is connected in series or parallel to the second cooling circuit.
Optionally, the air conditioning circuit comprises a compressor, a gas-liquid separator, an evaporator, a condenser, a second fan and a water chiller connected in parallel with the evaporator.
Optionally, the motor radiator and the battery radiator are disposed on an air inlet side of the condenser, and the first fan is disposed on an air outlet side of the condenser.
Optionally, the PTC heating circuit comprises a PTC heater, a heater core, a third water pump, and a panel changer connected in parallel in the PTC heating circuit.
Optionally, the motor assembly comprises a front motor assembly and/or a rear motor assembly.
Optionally, the thermal management system further includes a controller, and a plurality of detection elements disposed in the first cooling circuit, the second cooling circuit, the air conditioning circuit, and the PTC circuit, where the controller is respectively connected to the plurality of detection elements, and a water pump, a fan, and a compressor in the plurality of circuits.
According to a second aspect of the present disclosure, there is also provided a vehicle comprising the thermal management system of the vehicle described above.
Through above-mentioned technical scheme, through setting up two multi-way switching-over valves, the cold water machine in the access air conditioning circuit and the panel converter in the access PTC heating circuit, link up motor cooling circuit, battery cooling circuit, air conditioning circuit and PTC heating circuit, can realize the multiple series-parallel mode of operation of first cooling circuit and second cooling circuit, can change the circulation direction of coolant liquid according to the demand, the rational distribution coolant liquid flow effectively improves thermal management efficiency and waste heat utilization ratio.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:
FIG. 1 is a schematic illustration of a thermal management system of a vehicle provided in an exemplary embodiment of the present disclosure;
FIG. 2 is a schematic illustration of a first mode of operation of a thermal management system of a vehicle provided in accordance with an exemplary embodiment of the present disclosure;
FIG. 3 is a schematic illustration of a second mode of operation of a thermal management system of a vehicle provided in accordance with an exemplary embodiment of the present disclosure;
FIG. 4 is a schematic illustration of a third mode of operation of a thermal management system of a vehicle provided in accordance with an exemplary embodiment of the present disclosure;
FIG. 5 is a schematic illustration of a fourth mode of operation of the thermal management system of the vehicle provided by an exemplary embodiment of the present disclosure;
FIG. 6 is a schematic illustration of a fifth mode of operation of a thermal management system of a vehicle provided in accordance with an exemplary embodiment of the present disclosure;
FIG. 7 is a schematic illustration of a sixth mode of operation of a thermal management system of a vehicle provided in accordance with an exemplary embodiment of the present disclosure;
FIG. 8 is a schematic diagram of an in-situ air conditioning high power charging mode in a high temperature environment of a thermal management system of a vehicle according to an exemplary embodiment of the present disclosure;
FIG. 9 is a schematic diagram of a high power in-situ charging mode when the thermal management system of the vehicle is at a low ambient temperature in accordance with an exemplary embodiment of the present disclosure;
FIGS. 10-12 are schematic illustrations of a thermal management system of a vehicle provided by another exemplary embodiment of the present disclosure;
FIG. 13 is a control block diagram of a thermal management system of a vehicle provided in an exemplary embodiment of the present disclosure;
FIG. 14 is a controller signal summary of a thermal management system of a vehicle provided by an exemplary embodiment of the present disclosure;
FIG. 15 is an illustration of different modes of operation of a thermal management system of a vehicle provided in an exemplary embodiment of the present disclosure;
FIG. 16 is a schematic illustration of a first multi-way reversing valve in a thermal management system of a vehicle provided in an exemplary embodiment of the present disclosure;
FIG. 17 is a schematic illustration of a second multi-way reversing valve in a thermal management system of a vehicle provided in an exemplary embodiment of the present disclosure;
fig. 18 is a schematic diagram of an arrangement of a radiator, a condenser, and a fan in a thermal management system of a vehicle according to an exemplary embodiment of the present disclosure.
Description of the reference numerals
1-motor system, 11-front motor assembly, 12-rear motor assembly, 13-charging and power distribution assembly, 14-first auxiliary water tank, 15-first water pump, 16-motor radiator, 17-first fan, 2-battery pack, 21-battery radiator, 22-second auxiliary water tank, 23-second water pump, 3-cold water machine, 31-compressor, 32-gas-liquid separator, 33-evaporator, 34-condenser, 35-second fan, 4-battery plate exchanger, 41-PTC heater, 42-heating core, 43-third water pump, 10-first cooling circuit, 20-second cooling circuit, 30-air conditioning circuit, 40-PTC heating circuit, 100-first multi-way reversing valve, 200-second multi-way reversing valve, 400-first electronic expansion valve, 500-second electronic expansion valve, 1000-controller.
Detailed Description
Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.
In the present disclosure, unless otherwise indicated, terms such as "upper" and "lower" used herein generally refer to the definition of "inner" and "outer" with reference to the drawing figures of the corresponding drawings, and "inner" and "outer" refer to the inner and outer of the corresponding component profiles, and furthermore, the terms "first", "second", etc. are used herein to distinguish one element from another without sequence or importance. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to 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 a first cooling circuit 10 for cooling a motor system 1, a second cooling circuit 20 for cooling a battery pack 2, an air conditioning circuit 30, and a PTC heating circuit 40, wherein the first cooling circuit 10 and the second cooling circuit 20 are connected through a first multi-way directional valve 100 and a second multi-way directional valve 200, the second cooling circuit 20 and the air conditioning circuit 30 are connected through a cold water machine 3 (beller), and the second cooling circuit 20 and the PTC heating circuit 40 are connected through a panel heat exchanger 4, so that the motor system 1 and the battery pack 2 can be selectively cooled through the cold water machine 3 connected into the air conditioning circuit 30, or heated through the panel heat exchanger 4 connected into the PTC heating circuit 40. In fig. 1, the first cooling circuit 10, the second cooling circuit 20, and the PTC heating circuit 40 are configured to circulate coolant, which is indicated by solid lines of different thicknesses, and the air conditioning circuit 30 is configured to circulate refrigerant, which is indicated by broken lines. Here, as shown in fig. 1, the motor system 1 includes a front motor assembly 11, a rear motor assembly 12, and a charging and power distribution assembly 13, and the front motor assembly 11 and the rear motor assembly 12 form a motor assembly, and the cooling liquid flowing through the second cooling circuit 20 and the refrigerant flowing through the air conditioning circuit 30 exchange heat at the cold water machine 3 (chiller) and the battery plate exchanger 4, respectively, to exchange heat.
Through the above technical scheme, through setting up two multi-way reversing valves, inserting the cold water machine 3 in the air conditioning circuit 30 and inserting the panel changer 4 in the PTC heating circuit 40, link up motor cooling circuit, battery cooling circuit, air conditioning circuit 30 and PTC heating circuit 40, through switching on and stopping of the different passageways in controlling first multi-way reversing valve 100, the second multi-way reversing valve 200, can realize first cooling circuit 10 and the multiple series-parallel mode of operation of second cooling circuit 20, can change the circulation direction of coolant according to the demand, the rational distribution coolant flow, effectively improve thermal management efficiency and surplus heat utilization.
As an exemplary embodiment of the present disclosure, the first multi-way reversing valve 100 and the second multi-way reversing valve 200 are all six-way valves, the water chiller 3 and the battery board changer 4 are connected in series, and the thermal management system provided in the present disclosure has at least one of the following operation modes:
in a first operation mode, as shown in fig. 2, 16 and 17, the paths 102-103 and 102-104 in the first multi-way reversing valve 100 are conducted, the paths 201-205 and 206-203 in the second battery valve 200 are conducted, the motor system 1 and the battery pack 2 are connected in series and are cooled by the cold water machine 3 connected in the air conditioning loop 30, specifically, as shown in table 1.1 and 15, in the first operation mode, due to higher ambient temperature, for example, when the ambient temperature is more than or equal to 40 ℃ (under extreme working conditions), the motor radiator 16 cannot meet the heat dissipation requirement of the motor system 1, the battery radiator 21 cannot meet the heat dissipation requirement of the battery pack 2, at this time, the air conditioning loop 30 realizes passenger cabin refrigeration, and meanwhile, the motor system and the battery pack 2 are cooled by the cold water machine 3 (chip), so that effective cooling is realized;
in the second working mode, as shown in fig. 3, 16 and 17, the paths 101-103 and 101-104 in the first multi-way reversing valve 100 are communicated, the paths 201-202 and 206-205 in the second multi-way reversing valve 200 are communicated, the motor system 1 and the battery pack 2 are connected in parallel, the motor system 1 is cooled by the motor radiator 16 in the first cooling loop 10, the battery pack 2 is cooled by the water chiller 3 connected into the air conditioning loop 30, specifically, as shown in table 1.1 and 15, when the ambient temperature is 30 ℃ less than or equal to t less than 40 ℃, the motor radiator 16 can meet the heat dissipation requirement of the motor system 1, the air conditioner can cool normally, and meanwhile, the battery pack 2 is cooled by the water chiller 3 to realize heat dissipation of the battery pack 2; in the first working mode and the second working mode, the water outlet temperature of the battery pack 2 can be referred, and when the water outlet temperature is more than or equal to 40 ℃, the air conditioner loop 30 can be switched to dissipate heat through the water chiller 3;
in a third working mode, as shown in fig. 4, 16 and 17, the 101-103, 101-104 and 106-105 paths in the first multi-way reversing valve 100 are conducted, the 201-202 and 206-204 paths in the second multi-way reversing valve 200 are conducted, the motor system 1 and the battery pack 2 are connected in parallel, the motor system 1 is cooled by the motor radiator 16 in the first cooling loop 10, the battery pack 2 is cooled by the battery radiator 21 in the second cooling loop 20, specifically, as shown in table 1.1 and 15, when the ambient temperature is less than or equal to 10 ℃ and less than 30 ℃, the motor radiator 16 can meet the heat dissipation requirement of the motor system 1, the battery radiator 21 can meet the heat dissipation requirement of the battery pack 2, and when the air conditioner does not participate in refrigeration through the cold water machine 3, the heat dissipation of the motor system 1 and the battery pack 2 can be realized, and meanwhile, whether the air conditioner participates in the refrigeration of the passenger cabin can be determined according to the user requirement;
in a fourth operation mode, as shown in fig. 5, 16 and 17, the paths 102-103 and 102-104 in the first multi-way reversing valve 100 are conducted, the paths 201-205 and 206-203 in the second multi-way reversing valve 200 are conducted, the motor system 1 and the battery pack 2 are connected in series, and heat generated in the operation process of the motor system 1 is used for heating the battery pack 2, specifically, as shown in table 1.1 and fig. 15, when the ambient temperature is equal to or lower than 0 ℃ and less than 10 ℃, the interface 102 of the first multi-way reversing valve 100 and the interface 203 of the second multi-way reversing valve 200 are connected through a pipeline, so that the battery radiator 21 and the motor radiator 16 can be connected in parallel (not in operation), and therefore, the air conditioner does not work, heat generated in the operation process of the motor system 1 can be used for heating the battery pack 2, the effective utilization of energy can be realized, and the utilization rate can be improved;
in a fifth operation mode, when the heat generated during the operation of the motor system 1 cannot meet the heating requirement of the battery pack 2, for example, when the ambient temperature is-10 ℃ less than or equal to t < 0 ℃, as shown in fig. 6, 16 and 17, the passages 102-103 and 102-104 in the first multi-way reversing valve 100 are conducted, the passages 201-203 and 206-205 in the second multi-way reversing valve 200 are conducted, the motor system 1 and the battery pack 2 are connected in parallel, the heat generated during the operation of the motor system is used for preserving heat, the battery pack 2 is heated by the battery plate exchanger 4 connected into the PTC heating circuit 40, that is, when the ambient temperature is lower, the battery pack 2 can be quickly heated by the battery plate exchanger 4;
in the sixth working mode, under extreme working conditions, for example, when the ambient temperature is lower than-10 ℃, and the heat generation amount of the motor system 1 cannot meet the self heat preservation requirement, as shown in fig. 7, 16 and 17, the paths 102-103 and 102-104 in the first multi-way reversing valve 100 are conducted, the paths 201-205 and 206-203 in the second multi-way reversing valve 200 are conducted, the motor system 1 and the battery pack 2 are connected in series, and the battery plate exchanger 4 in the PTC heating circuit 40 is connected for heating, so that the heating of the motor system and the battery pack 2 can be quickly realized.
TABLE 1.1 different modes of operation and flow through modes of a thermal management system for a vehicle
Further, as shown in fig. 1, the first cooling circuit 10 includes a front motor assembly 11, a rear motor assembly 12, a charging and distributing assembly 13, a first sub-tank 14, a first water pump 15, a motor radiator 16, and a first fan 17 provided at one side of the motor radiator 16, and the cooling liquid is driven to flow to the motor radiator 16 by the first water pump 15 and the motor assembly and the charging and distributing assembly are cooled by the first fan 17. Wherein, the motor assembly and the charging and distributing assembly 13 are connected in parallel, the thermal management system provided by the present disclosure further includes a seventh operation mode, the motor assembly does not work, and the charging and distributing assembly 13 can be selectively cooled by the motor radiator 16 or by the water chiller 3 connected to the air conditioning circuit 30. Specifically, when the ambient temperature is higher, for example, greater than or equal to 40 ℃, and the vehicle is parked for charging, as shown in fig. 8, 16 and 17, the paths 102-104 in the first multi-way reversing valve 100 are conducted, the paths 201-205 and the paths 206-203 in the second multi-way reversing valve 200 are conducted, the motor assembly does not work, the charging assembly 13 and the battery pack 2 are connected in series, the cooling and charging assembly 13 is cooled by the water chiller 3 connected into the air conditioning loop 30, and heat is further dissipated by the first fan 17, so that the flow of cooling liquid can be improved, the heat is timely dissipated in the in-situ charging process, and the problem of power limitation of charging is prevented. When the ambient temperature is low, as shown in fig. 9, 16 and 17, the charging power assembly 13 is cooled by the motor radiator 16, and heat dissipation in the in-situ charging mode at the low ambient temperature is completed.
As shown in fig. 1, the second cooling circuit 20 includes a battery pack 2, a second auxiliary water tank 22, a second water pump 23, a battery radiator 21, and a water chiller 3 and a battery plate changer 4 connected in parallel with the battery radiator 21, and in other embodiments, the positions of the auxiliary water tanks and the water pumps in the first cooling circuit 10 and the second cooling circuit 20 may be adjusted.
In the present disclosure, as shown in fig. 1, a first auxiliary water tank 14 may be connected in series to a first cooling circuit 10, a second auxiliary water tank 22 may be connected in series to a second cooling circuit 20, and the two auxiliary water tanks may participate in the cooling process and simultaneously serve to store the cooling liquid; as another exemplary embodiment of the present disclosure, as shown in fig. 11, the first auxiliary water tank 14 may be further connected in parallel to the first cooling circuit 10, and the second auxiliary water tank 22 may be further connected in parallel to the second cooling circuit 20, that is, the auxiliary water tank does not participate in the cooling and heat dissipation process, and only plays a role of filling and exhausting air, where the first electronic expansion valve 400 and the second electronic expansion valve 500 connected to the air conditioning circuit may play the same role, and similarly, an electronic expansion valve may be used instead of the auxiliary water tank, which falls within the protection scope of the present disclosure.
The air conditioning circuit 30 may be an existing air conditioning system circuit, specifically, as shown in fig. 1, the air conditioning circuit 30 includes a compressor 31, a gas-liquid separator 32, an evaporator 33, a condenser 34, a second fan 35, and a cold water machine 3 connected in parallel with the evaporator 33, so that rapid cooling and heating in the passenger compartment can be achieved, and rapid cooling of the motor system and the battery pack 2 can be achieved through the cold water machine 3.
There are various arrangements of the battery radiator 21, the motor radiator 16, the condenser 34, and the first fan 17. In an exemplary embodiment of the present disclosure, as shown in fig. 1, the battery radiator 21 and the motor radiator 16 may be disposed side by side at one side of the condenser 34, and the first fan 17 is disposed at the other side of the condenser 34. In another exemplary embodiment of the present disclosure, as shown in fig. 18, the motor radiator 16 and the battery radiator 21 are disposed up and down on the air inlet side of the condenser 34, the first fan 17 is disposed on the air outlet side of the condenser 34, and the battery radiator 21 is disposed below the motor radiator 16, and the motor radiator 16 and the battery radiator 21 are disposed on the air inlet side of the condenser 34, so that the wind resistance of the air inlet side can be reduced, a sufficient amount of air can be ensured, and at the same time, since the heat dissipation amount of the battery radiator 21 is low, the influence on the supercooling region of the condenser 34 is small, it can be disposed below the motor radiator 16, and the fixing manner of the condenser 34 and the first fan 17 can be varied to ensure the detachable installation on one side of the condenser 34.
As shown in fig. 1, the PTC heating circuit 40 includes a PTC heater 41, a heater core 42, a third water pump 43, and a panel changer 4 connected in parallel in the PTC heating circuit 40, and can use a PTC heating mode to heat the passenger compartment while rapidly heating the battery pack 2 and the motor assembly at an ultra-low ambient temperature.
The motor assembly includes a front motor assembly 11 and/or a rear motor assembly 12, as another example embodiment of the present disclosure, as shown in fig. 10, the thermal management system may be applied to a front drive vehicle type including only the front motor assembly 11, or to a rear drive vehicle type including only the rear motor assembly 12, and the front motor assembly 11 may be connected in parallel through a connecting line, switchable to an in-situ charging mode.
As another exemplary embodiment of the present disclosure, as shown in fig. 12, the setting of the battery radiator 21 may be omitted, the battery pack 2 may be cooled by the water chiller 3 connected to the air conditioning circuit 30, and heated by the battery plate exchanger 4 connected to the PTC heating circuit 40, which falls within the scope of the present disclosure.
In the thermal management system provided by the present disclosure, as shown in fig. 13 and 14, the thermal management system further includes a controller 1000, and a plurality of detection elements disposed on the pipeline, where the controller 1000 is respectively connected with the plurality of detection elements, the first multi-way reversing valve 100, the second multi-way reversing valve 200, the first water pump 15, the second water pump 23, the third water pump 43, the compressor 31, the first fan 17, and the second fan 25, and the controller 1000 controls the compressor 31, the plurality of fans, and the plurality of water pumps according to the environmental temperature information and the coolant and the refrigerant information detected by the detection elements, so as to realize intelligent control of the thermal management system. The detecting element can be a pressure sensor and a temperature sensor which are arranged on the corresponding pipelines, and the information of the cooling liquid and the refrigerant can be accurately acquired and timely transmitted to the controller 1000.
According to a second aspect of the present disclosure, there is also provided a vehicle comprising the thermal management system of the vehicle described above, which has all the advantages of the thermal management system described above, and which is not described in detail herein.
The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.
In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present disclosure does not further describe various possible combinations.
Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.
Claims (11)
1. A thermal management system for a vehicle, comprising a first cooling circuit (10) for cooling a motor system (1), a second cooling circuit (20) for cooling a battery pack (2), an air conditioning circuit (30) and a PTC heating circuit (40), the first cooling circuit (10) and the second cooling circuit (20) being connected by a first multi-way reversing valve (100) and a second multi-way reversing valve (200), the second cooling circuit (20) and the air conditioning circuit (30) being connected by a cold water machine (3), the second cooling circuit (20) and the PTC heating circuit (40) being connected by a panel changer (4) such that the motor system (1) and the battery pack (2) can be selectively cooled by a cold water machine (3) connected in the air conditioning circuit (30) or heated by a panel changer (4) connected in the PTC heating circuit (40);
the thermal management system has at least one of the following modes of operation:
the first working mode is that the motor system (1) and the battery pack (2) are connected in series and are cooled by a water chiller (3) connected into the air conditioning loop (30);
the second working mode is that the motor system (1) and the battery pack (2) are connected in parallel, the motor system (1) is cooled through a motor radiator (16) in the first cooling loop (10), and the battery pack (2) is cooled through a water chiller (3) connected into the air conditioning loop (30);
in a third operation mode, the motor system (1) and the battery pack (2) are connected in parallel, the motor system (1) is cooled by a motor radiator (16) in the first cooling circuit (10), and the battery pack (2) is cooled by a battery radiator (21) in the second cooling circuit (20);
a fourth operation mode, wherein the motor system (1) is connected with the battery pack (2) in series, and heat generated in the operation process of the motor system (1) is used for heating the battery pack (2);
in a fifth working mode, the motor system (1) is connected with the battery pack (2) in parallel, heat generated in the working process of the motor system (1) is used for preserving heat, and the battery pack (2) is heated through a battery plate exchanger (4) connected into the PTC heating loop (40);
in a sixth working mode, the motor system (1) and the battery pack (2) are connected in series, and are heated by a battery plate changer (4) connected into the PTC heating circuit (40).
2. The thermal management system of a vehicle according to claim 1, wherein the first multi-way reversing valve (100) and the second multi-way reversing valve (200) are six-way valves, and the water chiller (3) and the battery plate changer (4) are connected in series.
3. The thermal management system of a vehicle according to claim 1, wherein the first cooling circuit (10) comprises a motor assembly, a charging and power assembly (13), a first sub-tank (14), a first water pump (15), a motor radiator (16) and a first fan (17) arranged on one side of the motor radiator (16) connected in parallel, the motor assembly and the charging and power assembly (13) being connected in parallel, the thermal management system further having at least:
in a seventh mode of operation, the motor assembly is not in operation, and the charging assembly (13) is selectively cooled by the motor radiator (16) or by a chiller (3) connected to the air conditioning circuit (30).
4. A thermal management system of a vehicle according to claim 3, characterized in that the second cooling circuit (20) comprises a battery pack (2), a second auxiliary water tank (22), a second water pump (23), a battery radiator (21) and a cold water machine (3) and a battery plate exchanger (4) connected in parallel with the battery radiator (21) in connection.
5. The thermal management system of a vehicle according to claim 4, characterized in that the first auxiliary tank (14) is connected in series or parallel in the first cooling circuit (10) and the second auxiliary tank (22) is connected in series or parallel in the second cooling circuit (20).
6. The thermal management system of a vehicle according to claim 4, characterized in that the air conditioning circuit (30) comprises a compressor (31), a gas-liquid separator (32), an evaporator (33), a condenser (34), a second fan (35) and a water chiller (3) connected in parallel with the evaporator (33) in connection.
7. The thermal management system of a vehicle according to claim 6, characterized in that the motor radiator (16) and the battery radiator (21) are arranged on an air intake side of the condenser (34), and the first fan (17) is arranged on an air outlet side of the condenser (34).
8. The thermal management system of a vehicle according to claim 1, wherein the PTC heating circuit (40) comprises a PTC heater (41), a heater core (42), a third water pump (43) and a battery plate exchanger (4) connected in parallel in the PTC heating circuit (40).
9. A thermal management system of a vehicle according to claim 3, characterized in that the motor assembly comprises a front motor assembly (11) and/or a rear motor assembly (12).
10. The thermal management system of a vehicle according to any one of claims 1-9, further comprising a controller (1000) and a plurality of detection elements arranged in the first cooling circuit (10), the second cooling circuit (20), the air conditioning circuit (30) and the PTC heating circuit (40), the controller (1000) being connected to the first multi-way reversing valve (100), the second multi-way reversing valve (200), the plurality of detection elements, and the water pump, the fan and the compressor in the first cooling circuit (10), the second cooling circuit (20), the air conditioning circuit (30) and the PTC heating circuit (40), respectively.
11. A vehicle characterized by comprising a thermal management system of a vehicle according to any of claims 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010368153.7A CN113580872B (en) | 2020-04-30 | 2020-04-30 | Vehicle and thermal management system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010368153.7A CN113580872B (en) | 2020-04-30 | 2020-04-30 | Vehicle and thermal management system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113580872A CN113580872A (en) | 2021-11-02 |
| CN113580872B true CN113580872B (en) | 2023-11-14 |
Family
ID=78236929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010368153.7A Active CN113580872B (en) | 2020-04-30 | 2020-04-30 | Vehicle and thermal management system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113580872B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114056052B (en) * | 2021-12-14 | 2024-03-22 | 智己汽车科技有限公司 | Electric automobile thermal management loop, control method and pure electric vehicle |
| CN117628751A (en) * | 2022-08-11 | 2024-03-01 | 三花新能源热管理科技(杭州)有限公司 | Liquid cooling unit, control method and liquid cooling system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204987545U (en) * | 2014-07-25 | 2016-01-20 | 源捷公司 | Three loop temperature control system |
| CN106183789A (en) * | 2016-07-06 | 2016-12-07 | 中国第汽车股份有限公司 | A kind of whole electric vehicle heat management system and control method thereof |
| CN209479352U (en) * | 2018-11-29 | 2019-10-11 | 比亚迪股份有限公司 | Vehicle heat management system and vehicle |
| CN110356195A (en) * | 2019-08-08 | 2019-10-22 | 宜宾凯翼汽车有限公司 | A kind of electrombile thermal management system and method |
| CN110497768A (en) * | 2019-08-26 | 2019-11-26 | 上海理工大学 | The new-energy automobile heat pump air conditioning system of integrated three electric heating management |
| CN111016737A (en) * | 2019-12-31 | 2020-04-17 | 东风汽车集团有限公司 | Electric automobile thermal management system, control method and electric automobile |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2529162B (en) * | 2014-08-11 | 2017-11-08 | Jaguar Land Rover Ltd | A vehicle arrangement |
-
2020
- 2020-04-30 CN CN202010368153.7A patent/CN113580872B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204987545U (en) * | 2014-07-25 | 2016-01-20 | 源捷公司 | Three loop temperature control system |
| CN106183789A (en) * | 2016-07-06 | 2016-12-07 | 中国第汽车股份有限公司 | A kind of whole electric vehicle heat management system and control method thereof |
| CN209479352U (en) * | 2018-11-29 | 2019-10-11 | 比亚迪股份有限公司 | Vehicle heat management system and vehicle |
| CN110356195A (en) * | 2019-08-08 | 2019-10-22 | 宜宾凯翼汽车有限公司 | A kind of electrombile thermal management system and method |
| CN110497768A (en) * | 2019-08-26 | 2019-11-26 | 上海理工大学 | The new-energy automobile heat pump air conditioning system of integrated three electric heating management |
| CN111016737A (en) * | 2019-12-31 | 2020-04-17 | 东风汽车集团有限公司 | Electric automobile thermal management system, control method and electric automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113580872A (en) | 2021-11-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113580871B (en) | Vehicle and thermal management system thereof | |
| CN111231772B (en) | Vehicle thermal management system, control method thereof and vehicle | |
| CN113547890B (en) | Thermal management system, thermal management system control method and automobile | |
| CN113580872B (en) | Vehicle and thermal management system thereof | |
| CN114161997B (en) | Double-pile high-power hydrogen fuel cell automobile heat management system | |
| CN216659503U (en) | Vehicle thermal management system | |
| CN113997753A (en) | New energy automobile thermal management system | |
| CN218400117U (en) | Vehicle thermal management system and vehicle | |
| CN216033622U (en) | Integrated thermal management system and vehicle | |
| US20220069385A1 (en) | Temperature adjustment circuit | |
| CN116039322A (en) | Thermal management system and electric vehicle | |
| CN111016582B (en) | Electric automobile heat pump system and electric automobile | |
| CN114643829A (en) | Vehicle-mounted semiconductor air conditioning system | |
| CN114132169A (en) | Work vehicle and thermal management system thereof | |
| CN113895205A (en) | Economical heat pump system with waste heat recovery function | |
| CN112356637A (en) | Heat exchange system and vehicle | |
| CN112009197A (en) | Thermal management system for vehicle and vehicle | |
| CN114094137B (en) | Thermal management system of vehicle and vehicle | |
| CN218287365U (en) | Vehicle thermal management system and vehicle | |
| CN219115185U (en) | Automobile heat management system and automobile | |
| CN219236755U (en) | Thermal management system of vehicle and vehicle | |
| CN219076949U (en) | Range-extending type electric automobile thermal management system | |
| CN217374140U (en) | Vehicle thermal management system and vehicle | |
| CN115465090B (en) | Thermal management system and vehicle with same | |
| CN220914370U (en) | Battery pack thermal management system and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |