WO2024152807A1 - 一种增程新能源汽车热管理系统及汽车 - Google Patents

一种增程新能源汽车热管理系统及汽车 Download PDF

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Publication number
WO2024152807A1
WO2024152807A1 PCT/CN2023/138433 CN2023138433W WO2024152807A1 WO 2024152807 A1 WO2024152807 A1 WO 2024152807A1 CN 2023138433 W CN2023138433 W CN 2023138433W WO 2024152807 A1 WO2024152807 A1 WO 2024152807A1
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WO
WIPO (PCT)
Prior art keywords
branch
battery
way valve
heat
series
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Application number
PCT/CN2023/138433
Other languages
English (en)
French (fr)
Inventor
郭家全
张尔新
李毅
于冲云
常健
Original Assignee
重庆赛力斯新能源汽车设计院有限公司
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Publication of WO2024152807A1 publication Critical patent/WO2024152807A1/zh

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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
    • B60H1/00485—Valves for air-conditioning devices, e.g. thermostatic valves
    • 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
    • B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
    • B60H1/004—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for vehicles having a combustion engine and electric drive means, e.g. hybrid electric vehicles
    • 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
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
    • B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
    • B60H1/00899—Controlling the flow of liquid in a heat pump system
    • 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
    • B60H1/3204—Cooling devices using compression
    • B60H1/3228—Cooling devices using compression characterised by refrigerant circuit configurations
    • B60H1/32284—Cooling devices using compression characterised by refrigerant circuit configurations comprising two or more secondary circuits, e.g. at evaporator and condenser side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid 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
    • B60L58/26—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
    • 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

Definitions

  • the present disclosure generally relates to the field of automobile thermal management technology, for example, to a thermal management system and automobile for extended-range new energy vehicles.
  • the battery efficiency of pure electric extended-range new energy vehicles greatly affects the driving life of extended-range new energy vehicles after a single charge.
  • This type of heating method will increase the battery's energy consumption and significantly reduce the cruising range; therefore, it is necessary to design a thermal management system for extended-range new energy vehicles.
  • the existing thermal management system has the following defects:
  • the present application provides a thermal management system for an extended-range new energy vehicle, comprising:
  • a PTC heating water circuit comprising: a PTC branch, an engine branch, an air conditioning branch and a heat exchange branch; the PTC heating water circuit is used to absorb the heat generated by the engine;
  • An electric drive circuit comprising: a battery branch, an electric drive branch, a battery cooling branch and a radiator branch; the electric drive circuit is used to transfer heat transferred from the PTC heating water circuit (1) to the battery and the radiator;
  • a refrigerant circuit wherein the refrigerant circuit is used to perform heat exchange with the PTC heating water circuit and the electric drive circuit respectively;
  • a six-way valve the six-way valve is connected to each branch of the PTC heating water circuit respectively; the six-way valve is used to connect the air conditioning branch and the heat exchange branch in parallel with each other, and at the same time connect the six-way valve in series with the PTC branch;
  • a seven-way valve wherein the seven-way valve is connected to each branch of the electric drive circuit respectively; the seven-way valve is used to make the battery branch form a circuit independently, and the electric drive branch, the battery cooling branch and the radiator branch are connected in series to form a circuit;
  • the heat of the PTC heating water circuit is used to heat the battery branch and the air conditioning branch; at the same time, the electric drive branch, the battery cooling branch and the radiator branch are used to absorb environmental heat.
  • the six-way valve has a first state; when the six-way valve is in the first state, the air conditioning branch and the heat exchange branch are connected in parallel with each other and in series with the PTC branch;
  • the seven-way valve has a sixth state; when the seven-way valve is in the sixth state, the battery branch forms a loop alone; the electric drive branch, the battery cooling branch and the radiator branch are connected in series to form a loop.
  • a plate heat exchanger is connected in series on the heat exchange branch;
  • the battery branch is connected to the other two ends of the plate heat exchanger and is also connected in series with a battery module;
  • the heat exchange branch exchanges heat with the battery branch through the plate heat exchanger.
  • the PTC branch is connected in series with a water-cooled condenser and a PTC;
  • the engine branch is connected in series with an engine assembly and a first radiator;
  • the air conditioning branch is connected in series with an air conditioning box;
  • the electric drive branch is connected in series with an electric drive module and a water storage pot;
  • the battery cooling branch is connected in series with a battery cooler;
  • the radiator branch is connected in series with a second radiator;
  • the battery cooling branch performs heat exchange with the refrigerant circuit through the battery cooler.
  • the refrigerant circuit includes: a compressor, a water-cooled condenser, a liquid storage tank and a battery cooler connected in series in sequence; the water-cooled condenser is connected in parallel with an air-cooled condenser; the battery cooler is connected in parallel with the air conditioning box;
  • the refrigerant circuit exchanges heat with the PTC branch through the water-cooled condenser; exchanges heat with the battery cooling branch through the battery cooler; and exchanges heat with the air conditioning branch through the air conditioning box.
  • a first solenoid valve is connected in series to the branch where the air-cooled condenser is located, for controlling the air-cooled condenser to be connected to the refrigerant circuit;
  • the branch where the water-cooled condenser is located is connected in series with a second solenoid valve for controlling the water-cooled condenser to be connected to the refrigerant circuit;
  • the branch where the air-conditioning box is located is connected in series with a third solenoid valve for controlling the air-conditioning box to be connected to the refrigerant circuit;
  • the branch where the battery cooler is located is connected in series with a fourth solenoid valve for controlling the battery cooler to be connected to the refrigerant circuit.
  • the seven-way valve also has a seventh state
  • the air conditioning branch and the heat exchange branch are connected in parallel with each other and in series with the PTC branch;
  • the battery branch forms a loop alone, and the electric drive branch and the battery cooling branch are connected in series to form a loop;
  • the cooling water of the refrigerant circuit releases heat and cools in the PTC branch, and absorbs heat in the battery cooling branch;
  • the cooling water After absorbing heat in the PTC heating water circuit, the cooling water releases heat in the air conditioning branch and the heat exchange branch respectively; at the same time, the passenger compartment connected to the air conditioning branch and the battery connected to the battery branch are heated.
  • the six-way valve also has a second state; the seven-way valve also has a tenth state;
  • the air conditioning branch and the heat exchange branch are connected in parallel with each other and in series with the PTC branch and the engine branch; the battery branch, the electric drive branch, the battery cooling branch and the radiator branch are connected in series to form a loop;
  • the cooling water in the PTC heating water circuit absorbs heat at the engine branch and releases heat at the heat exchange branch and the air conditioning branch; the second radiator connected to the air conditioning branch and the radiator branch is used to dissipate heat for the engine branch connected to the engine.
  • the six-way valve also has a third state
  • the PTC branch and the heat exchange branch are connected in series to form a loop;
  • the battery branch, the electric drive branch, the battery cooling branch and the radiator branch are connected in series to form a loop;
  • the cooling water of the refrigerant circuit releases heat and cools in the PTC branch, and absorbs heat in the battery cooling branch;
  • the cooling water in the PTC heating water circuit absorbs heat in the PTC heating water circuit and releases heat in the heat exchange branch.
  • the cooling water in the electric drive circuit absorbs heat and defrosts the second radiator connected to the radiator branch.
  • the present application provides a vehicle, including a thermal management system for an extended-range new energy vehicle as described above.
  • this application can:
  • the six-way valve is respectively connected to the PTC branch, engine branch, air conditioning branch and heat exchange branch of the PTC heating water circuit; the seven-way valve is respectively connected to the battery branch, the electric drive branch, the battery cooling branch and the radiator branch.
  • the six-way valve connects the air-conditioning branch and the heat exchange branch in parallel, and at the same time connects them in series with the PTC branch; the seven-way valve enables the battery branch to form a loop independently, and when the electric drive branch, the battery cooling branch and the radiator branch are connected in series to form a loop, the heat of the PTC heating water loop is used to heat the battery branch and the air-conditioning branch; at the same time, the electric drive branch, the battery cooling branch and the radiator branch are used to absorb ambient heat.
  • each circuit is connected to the six-way valve and the seven-way valve, which can reduce the number of valves in the thermal management system, simplify the pipeline layout, and reduce costs; by switching the status of the six-way valve and the seven-way valve, the cooling water in the circuit is used to transfer heat to heat the battery, which can avoid PTC hot water directly passing through the battery pack and avoid the risk of thermal shock; the cooling water in the circuit is used to absorb the heat generated by ...
  • the waste heat from the engine heats the battery, reduces motor noise, and improves the NHV performance of the vehicle.
  • FIG1 is a schematic diagram of a circuit structure of a thermal management system for an extended-range new energy vehicle provided by the present application
  • FIG2 is a schematic diagram of the structure of a PTC heating water circuit
  • FIG3 is a schematic diagram of the structure of a refrigerant circuit
  • FIG4 is a schematic diagram of the structure of the electric drive circuit
  • FIG5 is a schematic diagram of the port connection relationship between the six-way valve and the seven-way valve
  • FIG6 is a schematic diagram showing the connection relationship between each circuit and the six-way valve and the seven-way valve;
  • FIG7 is a schematic diagram of the connection of the six-way valve in the first state
  • FIG8 is a schematic diagram of the connection of the six-way valve in the second state
  • FIG9 is a schematic diagram of the connection of the six-way valve in the third state
  • FIG10 is a schematic diagram of the connection of the six-way valve in the fourth state
  • FIG11 is a schematic diagram of the connection of the seven-way valve in the fifth state
  • FIG12 is a schematic diagram of the connection of the seven-way valve in the sixth state
  • FIG13 is a schematic diagram of the connection of the seven-way valve in the seventh state
  • FIG14 is a schematic diagram of the connection of the seven-way valve in the eighth state.
  • FIG15 is a schematic diagram of the connection of the seven-way valve in the ninth state.
  • FIG16 is a schematic diagram of the connection of the seven-way valve in the tenth state
  • Fig. 17 is a schematic diagram of the connection of the seven-way valve in the eleventh state
  • 201 first end; 202, second end; 203, third end; 204, fourth end; 205, fifth end; 206, sixth end; 207, seventh end; 208, eighth end; 209, ninth end; 210, tenth end; 211, eleventh end; 212, twelfth end; 213, thirteenth end.
  • FIG. 1 to FIG. 5 are schematic diagrams of a thermal management system for a range-extended new energy vehicle provided in this embodiment, including:
  • the PTC heating water circuit 1 comprises: a PTC branch 5, an engine branch 6, an air conditioning branch 7 and a heat exchange branch 8; the PTC heating water circuit 1 is used to absorb the heat generated by the engine;
  • the electric drive circuit includes: a battery branch 9, an electric drive branch 10, a battery cooling branch 11 and a radiator branch 12; the electric drive circuit is used to transfer the heat transferred from the PTC heating water circuit 1 to the battery and the radiator;
  • a refrigerant circuit 2 wherein the refrigerant circuit 2 is used to perform heat exchange with the PTC heating water circuit 1 and the electric drive circuit respectively;
  • a six-way valve 3 wherein the six-way valve 3 is connected to each branch of the PTC heating water circuit 1; the six-way valve 3 is used to connect the air conditioning branch 7 and the heat exchange branch 8 in parallel with each other, and at the same time connect them in series with the PTC branch 5;
  • a seven-way valve 4 wherein the seven-way valve 4 is connected to each branch of the electric drive circuit respectively; the seven-way valve 4 is used to make the battery branch 9 form a circuit independently, and the electric drive branch 10, the battery cooling branch 11 and the radiator branch 12 are connected in series to form a circuit;
  • the heat of the PTC heating water circuit 1 is used to heat the battery branch 9 and the air conditioning branch 7; at the same time, the electric drive branch 10, the battery cooling branch 11 and the radiator branch 12 are used to absorb environmental heat.
  • the PTC branch 5 has a first input terminal 101 and a first output terminal 102. output end 102; the engine branch 6 has a second input end 103 and a second output end 104; the air conditioning branch 7 has a third input end 105 and a third output end 106; the heat exchange branch 8 has a fourth input end 107 and a fourth output end 108.
  • the battery branch 9 has a fifth input terminal 109 and a fifth output terminal 110; the electric drive branch 10 has a sixth input terminal 111 and a sixth output terminal 112; the battery cooling branch 11 has a seventh input terminal 113 and a seventh output terminal 114; the radiator branch 12 has an eighth input terminal 115 and an eighth output terminal 116; the eighth output terminal 116 is connected to the sixth input terminal 111.
  • the six-way valve 3 has a first end 201 , a second end 202 , a third end 203 , a fourth end 204 , a fifth end 205 and a sixth end 206 .
  • the first end 201 is connected to the first output end 102; the second end 202 is connected to the fourth input end 107; the third end 203 is connected to the third input end 105; the fourth end 204 is connected to the third output end 106 and the fourth output end 108; the fifth end 205 is connected to the first input end 101 and the second output end 104; the sixth end 206 is connected to the second input end 103.
  • the seven-way valve 4 has a seventh end 207 , an eighth end 208 , a ninth end 209 , a tenth end 210 , an eleventh end 211 , a twelfth end 212 , and a thirteenth end 213 .
  • the seventh terminal 207 is connected to the seventh input terminal 113; the eighth terminal 208 is connected to the seventh output terminal 114; the ninth terminal 209 is connected to the sixth output terminal 112; the tenth terminal 210 is connected to the sixth input terminal 111; the eleventh terminal 211 is connected to the eighth input terminal 115; the twelfth terminal 212 is connected to the fifth input terminal 109; and the thirteenth terminal 213 is connected to the fifth output terminal 110.
  • the functions of all water valves in the entire thermal management system are concentrated on a six-way valve 3 and a seven-way valve 4.
  • the ends of the six-way valve 3 are respectively connected to the PTC branch 5, engine branch 6, air conditioning branch 7 and heat exchange branch 8 of the PTC heating water circuit 1; the ends of the seven-way valve 4 are respectively connected to the battery branch 9, electric drive branch 10, battery cooling branch 11 and radiator branch 12 of the electric drive circuit.
  • the states of the six-way valve 3 and the seven-way valve 4 can be freely switched, and then the connection relationship between the branches can be switched, ultimately realizing a reasonable distribution of the waste heat generated by the engine according to actual needs, using the waste heat generated by the engine to heat the passenger compartment and the battery in a cold environment, and ensuring that passengers have a good ride. experience; at the same time, it can keep the battery in the normal operating temperature range to ensure the normal operation of the entire vehicle.
  • the thermal management system provided in the present application only includes one six-way valve 3 and one seven-way valve 4, which can realize the rational use of the waste heat of the entire engine; through a simpler design, the piping structure of the thermal management system is simplified, and the cost consumption of the water valve is reduced.
  • the thermal management system uses a plurality of heat exchange methods between circuits to transfer heat.
  • the hot water generated at the PTC flows from the PTC branch 5 to the heat exchange branch 8, and the heat in the hot water is transferred to the water in the battery branch 9 through the plate heat exchanger; the cooling water in the battery branch 9 is used to absorb heat for the second time and flows to the battery pack to heat the battery pack; this can prevent the hot water generated by the heating at the PTC from directly passing through the battery pack, causing thermal shock and damaging the battery pack.
  • the water in the battery branch 9 is used to absorb the heat for the second time, so that the water temperature after the second heat absorption is significantly lower than the water temperature at the PTC; thus, the water temperature for heating the battery pack will not be too high, thus avoiding thermal shock damage to the battery pack and ensuring that the battery is in a normal operating temperature range.
  • the thermal management system uses the heat generated by the motor running, absorbs the heat through the cooling water in the electric drive branch 10, and transfers the heat to the battery pack to heat the battery when the seven-way valve 4 connects the electric drive branch 10 with the battery branch 9. In this way, there is no need for the motor to stall to generate heat, which can reduce the motor noise and improve the NHV performance of the whole vehicle.
  • the six-way valve 3 has a first state; when the six-way valve 3 is in the first state, the air conditioning branch 7 and the heat exchange branch 8 are connected in parallel with each other and in series with the PTC branch 5;
  • the seven-way valve 4 has a sixth state; when the seven-way valve 4 is in the sixth state, the battery branch 9 forms a loop alone; the electric drive branch 10, the battery cooling branch 11 and the radiator branch 12 are connected in series to form a loop.
  • the six-way valve 3 has a first state, a second state, a third state and a fourth state.
  • the seven-way valve 4 has a fifth state, a sixth state, a seventh state, an eighth state, a ninth state, a tenth state and an eleventh state.
  • the seventh end 207 is connected to the twelfth end 212, the eighth end 208 is connected to the thirteenth end 213, and the ninth end 209 is connected to the eleventh end 211;
  • the twelfth end 212 is connected to the thirteenth end 213, the seventh end 207 is connected to the eleventh end 211, and the eighth end 208 is connected to the ninth end 209;
  • the twelfth end 212 is connected to the thirteenth end 213, the seventh end 207 is connected to the tenth end 210, and the eighth end 208 is connected to the ninth end 209;
  • the seventh end 207 is connected to the tenth end 210, the eighth end 208 is connected to the thirteenth end 213, and the ninth end 209 is connected to the twelfth end 212;
  • the seventh end 207 is connected to the eleventh end 211, the eighth end 208 is connected to the thirteenth end 213, and the ninth end 209 is connected to the twelfth end 212;
  • the heat exchange branch 8 is connected in series with a plate heat exchanger 18;
  • the battery branch 9 is connected to the other two ends of the plate heat exchanger 18 and is also connected in series with a battery module 19;
  • the heat exchange branch 8 exchanges heat with the battery branch 9 through the plate heat exchanger 18 .
  • the heat exchange branch 8 exchanges heat with the battery branch 9 through the plate heat exchanger 18, and can utilize cooling water to absorb heat at the engine and flow to the plate heat exchanger 18 of the heat exchange branch 8, and then transfer the heat to the battery branch 9 through the plate heat exchanger 18, and then transfer the heat to the battery pack through the cooling water in the battery branch 9 to heat the battery.
  • the cooling water in the battery branch 9 is used to absorb heat for a second time and circulate to the battery pack to heat the battery pack; this can prevent the hot water generated by the PTC from directly passing through the battery pack, causing thermal shock and damaging the battery pack.
  • the PTC branch 5 is connected in series with a water-cooled condenser 16 and a PTC 13;
  • the engine branch 6 is connected in series with an engine assembly 14 and a first radiator 15;
  • the air conditioning branch 7 is connected in series with an air conditioning box 17;
  • the electric drive branch 10 is connected in series with an electric drive module 20 and a water storage pot 21;
  • the battery cooling branch 11 is connected in series with a battery cooler 22;
  • the radiator branch 12 is connected in series with a second radiator 23;
  • the battery cooling branch 11 performs heat exchange with the refrigerant circuit 2 through the battery cooler 22 .
  • the battery cooling branch 11 performs heat exchange with the refrigerant circuit 2 through the battery cooler 22; when the seven-way valve 4 connects the battery branch 9 with the battery cooling branch 11, the cooling water with a lower temperature in the refrigerant circuit 2 can be used to absorb the temperature of the cooling water in the battery cooling branch 11, thereby dissipating the heat energy generated when the battery outputs electrical energy to the outside, thereby avoiding excessive temperature at the battery pack and ensuring that the battery pack operates within a normal temperature range.
  • the refrigerant circuit 2 includes: a compressor 24, a water-cooled condenser 16, a liquid storage tank 25 and a battery cooler 22 connected in series in sequence; the water-cooled condenser 16 is connected in parallel with an air-cooled condenser 26; the battery cooler 22 is connected in parallel with the air conditioning box 17;
  • the refrigerant circuit 2 is thermally coupled to the PTC branch 5 via the water-cooled condenser 16. exchange; heat exchange is performed with the battery cooling branch 11 through the battery cooler 22; heat exchange is performed with the air conditioning branch 7 through the air conditioning box 17.
  • the refrigerant circuit 2 is connected to a compressor 24 for cooling the cooling water in the circuit, a water-cooled condenser 16, an air-cooled condenser 26, and a battery cooler 22.
  • the two ends of the water-cooled condenser 16 are connected to the refrigerant circuit 2, and the other two ends are connected to the PTC branch 5, so as to absorb the heat of the cooling water in the PTC branch 5 and cool the PTC branch 5.
  • the two ends of the battery cooler 22 are connected to the battery cooling branch 11, and the other two ends are connected to the refrigerant circuit 2, and are used to exchange heat between the battery cooling branch 11 and the refrigerant circuit 2.
  • the battery cooler 22 cools the battery cooling branch 11; when the water temperature on one side of the battery cooling branch 11 is lower, the battery cooler 22 heats the battery cooling branch 11.
  • the two ends of the air conditioning box 17 are connected to the refrigerant circuit 2, and the other two ends are connected to the air conditioning branch 7.
  • the refrigerant circuit 2 cools the passenger compartment connected to the air conditioning box 17; when the air conditioning box 17 is only connected to the air conditioning branch 7, the cooling water with a higher temperature in the air conditioning branch 7 heats the passenger compartment connected to the air conditioning box 17.
  • heat can be reasonably distributed according to the actual external environment temperature and the circuit where the heat in the thermal management system is located, so that each circuit can be in a normal working temperature range.
  • the branch where the air-cooled condenser 26 is located is connected in series with a first solenoid valve for controlling the air-cooled condenser 26 to be connected to the refrigerant circuit 2;
  • the branch where the water-cooled condenser 16 is located is connected in series with a second solenoid valve for controlling the water-cooled condenser 16 to be connected to the refrigerant circuit 2;
  • the branch where the air conditioning box 17 is located is connected in series with a third solenoid valve for controlling the air conditioning box 17 to be connected to the refrigerant circuit 2;
  • the branch where the battery cooler 22 is located is connected in series with a fourth solenoid valve for controlling the battery cooler 22 to be connected to the refrigerant circuit 2 .
  • the water-cooled condenser 16, the air-cooled condenser 26, the air-conditioning box 17 and the battery cooler 22 are all connected in series with solenoid valves, which can open the second solenoid valve to switch the connection state between the water-cooled condenser 16 and the refrigerant circuit 2 according to the connection state of the six-way valve 3 and the seven-way valve 4, so that the water-cooled condenser 16 cools the cooling water in the PTC branch 5.
  • the third solenoid valve or the fourth solenoid valve is opened; the cooling water after absorbing heat in the refrigerant circuit 2 flows through the air conditioning branch 7 or the battery cooling branch 11 to heat the passenger compartment or the battery pack.
  • the refrigerant circuit 2 can be used to cool the PTC heating water circuit 1 and transfer the heat to the electric drive circuit; the function of cooling the circuit is realized.
  • the air conditioning branch 7 and the heat exchange branch 8 are connected in parallel with each other and in series with the PTC branch 5;
  • the battery branch 9 forms a loop alone, and the electric drive branch 10 and the battery cooling branch 11 are connected in series to form a loop;
  • the cooling water of the refrigerant circuit 2 releases heat and cools in the PTC branch 5, and absorbs heat in the battery cooling branch 11;
  • the cooling water After absorbing heat in the PTC heating water circuit 1, the cooling water releases heat in the air conditioning branch 7 and the heat exchange branch 8 respectively; at the same time, it heats the passenger compartment connected to the air conditioning branch 7 and the battery connected to the battery branch 9.
  • the six-way valve 3 when the six-way valve 3 is in the first state, the first end 201, the second end 202 and the third end 203 are connected, and the fourth end 204 and the fifth end 205 are connected; at this time, the six-way valve 3 connects the air-conditioning branch 7 and the heat exchange branch 8 in parallel with each other and in series with the PTC branch 5.
  • the twelfth end 212 is connected to the thirteenth end 213, the seventh end 207 is connected to the tenth end 210, and the eighth end 208 is connected to the ninth end 209; at this time, the battery branch 9 forms a loop alone; the electric drive branch 10 and the battery cooling branch 11 are connected in series to form a loop.
  • the cooling water in the refrigerant circuit 2 absorbs the heat generated by the battery cooler 22 and the electric drive module 20 at the battery cooling branch 11, and circulates to the water-cooled condenser 16 through the water circulation in the circuit; the cooling water at the PTC branch 5 absorbs heat after flowing through the water-cooled condenser 16 connected to the refrigerant circuit 2, and then flows to the air-conditioning branch 7 and the heat exchange branch 8 respectively to release heat; the heat generated by the battery cooler 22 and the electric drive module 20 is transferred to the PTC branch 5, and then transferred to the air-conditioning branch 7 and the heat exchange branch 8; it can simultaneously heat the passenger compartment connected to the air-conditioning branch 7 and the battery connected to the battery branch 9.
  • the seven-way valve 4 is in the first state.
  • the air conditioning branch 7 and the heat exchange branch 8 are connected in parallel with each other and in series with the PTC branch 5 and the engine branch 6; the battery branch 9, the electric drive branch 10, the battery cooling branch 11 and the radiator branch 12 are connected in series to form a loop;
  • the cooling water in the PTC heating water circuit 1 absorbs heat at the engine branch 6 and releases heat at the heat exchange branch 8 and the air conditioning branch 7; the second radiator 23 connected to the air conditioning branch 7 and the radiator branch 12 is used to dissipate heat for the engine branch 6 connected to the engine.
  • the air-conditioning branch 7 and the heat exchange branch 8 are connected in parallel with each other and are connected in series with the PTC branch 5 and the engine branch 6 in sequence.
  • the seventh end 207 is connected to the eleventh end 211
  • the eighth end 208 is connected to the thirteenth end 213
  • the ninth end 209 is connected to the twelfth end 212; at this time, the battery branch 9, the electric drive branch 10, the battery cooling branch 11 and the radiator branch 12 are connected in series to form a loop.
  • the cooling water in the PTC heating water circuit 1 absorbs heat at the engine branch 6 and then flows to the heat exchange branch 8 and the air conditioning branch 7, and releases heat through the plate heat exchanger 18 and the air conditioning box 17 respectively; the plate heat exchanger 18 releases heat by transferring the heat to the radiator branch 12.
  • the second radiator 23 connected to the air conditioning branch 7 and the radiator branch 12 can be used to dissipate heat for the engine branch 6 connected to the engine, and all the heat dissipation devices in the entire thermal management system can be reasonably used to dissipate heat for the engine, thereby improving the heat dissipation efficiency.
  • the PTC branch 5 and the heat exchange branch 8 are connected in series to form a loop;
  • the battery branch 9, the electric drive branch 10, the battery cooling branch 11 and the radiator branch 12 are connected in series to form a loop;
  • the cooling water of the refrigerant circuit 2 releases heat and cools in the PTC branch 5, and absorbs heat in the battery cooling branch 11;
  • the cooling water in the PTC heating water circuit 1 absorbs heat in the PTC heating water circuit 1 and releases heat in the heat exchange branch 8 .
  • the cooling water in the electric drive circuit absorbs heat and defrosts the second radiator 23 connected to the radiator branch 12 .
  • the first end 201 is connected to the second end 202, and the fourth end 204 is connected to the fifth end 205; at this time, the PTC branch 5 is connected in series with the heat exchange branch 8.
  • the seventh end 207 is connected to the eleventh end 211
  • the eighth end 208 is connected to the thirteenth end 213
  • the ninth end 209 is connected to the twelfth end 212; at this time, the battery branch 9, the electric drive branch 10, the battery cooling branch 11 and the radiator branch 12 are connected in series to form a loop.
  • the heat in the PTC heating water circuit 1 is transferred to the battery branch 9 through the plate heat exchanger 18. Since the battery branch 9, the electric drive branch 10, the battery cooling branch 11 and the radiator branch 12 are connected in series to form a circuit, the heat transferred by the plate heat exchanger 18 is transferred to the second radiator 23 through the water circulation of the entire electric drive circuit to heat the second radiator 23. In this way, the second radiator 23 can be heated to remove the frost attached to its surface, ensuring that the second radiator 23 can perform heat dissipation work normally.
  • the electric drive module includes a motor, and motor stall means that torque is generated at the motor but no rotation is generated.
  • connection states of each end of the six-way valve 3 and the connection relationship between each branch are shown below.
  • the six-way valve 3 when the six-way valve 3 is in the first state, the first end 201, the second end 202 and the third end 203 are connected, and the fourth end 204 and the fifth end 205 are connected; at this time, the six-way valve 3 connects the air-conditioning branch 7 and the heat exchange branch 8 in parallel with each other and in series with the PTC branch 5.
  • the air-conditioning branch 7 and the heat exchange branch 8 are connected in parallel with each other and are connected in series with the PTC branch 5 and the engine branch 6 in sequence.
  • the first end 201 is connected to the second end 202, and the fourth end 204 is connected to the fifth end 205; at this time, the PTC branch 5 is connected in series with the heat exchange branch 8.
  • the first end 201 is connected to the second end 202, and the fourth end 204 is connected to the sixth end 206; at this time, the PTC branch 5, the engine branch 6 and the heat exchange branch 8 are connected in series.
  • the seventh end 207 is connected to the twelfth end 212
  • the eighth end 208 is connected to the thirteenth end 213
  • the ninth end 209 is connected to the eleventh end 211; at this time, the battery branch 9 is connected in series with the battery cooling branch 1; the electric drive branch 10 is connected in series with the radiator branch 12.
  • the twelfth end 212 is connected to the thirteenth end 213, the seventh end 207 is connected to the eleventh end 211, and the eighth end 208 is connected to the ninth end 209; at this time, the battery branch 9 forms a loop alone; the electric drive branch 10, the battery cooling branch 11 and the radiator branch 12 are connected in series to form a loop.
  • the twelfth end 212 is connected to the thirteenth end 213, the seventh end 207 is connected to the tenth end 210, and the eighth end 208 is connected to the ninth end 209; at this time, the battery branch 9 forms a loop alone; the electric drive branch 10 and the battery cooling branch 11 are connected in series to form a loop.
  • the seventh end 207 is connected to the tenth end 210
  • the eighth end 208 is connected to the thirteenth end 213
  • the ninth end 209 is connected to the twelfth end 212; at this time, the battery branch 9, the electric drive branch 10 and the battery cooling branch 11 are connected in series to form a loop.
  • the twelfth end 212 and the thirteenth end 213 are connected; at this time, the battery branch 9 forms a loop alone; the electric drive branch 10, the battery cooling branch 11 and the radiator branch 12 are all in a disconnected state.
  • the seventh end 207 is connected to the eleventh end 211
  • the eighth end 208 is connected to the thirteenth end 213
  • the ninth end 209 is connected to the twelfth end 212; at this time, the battery branch 9, the electric drive branch 10, the battery cooling branch 11 and the radiator branch 12 are connected in series to form a loop.
  • the ninth end 209 and the eleventh end 211 are connected; at this time, the electric drive branch 10 and the radiator branch 12 are connected in series to form a loop.
  • This embodiment provides a vehicle, including a thermal management system for an extended-range new energy vehicle as described above.
  • a vehicle equipped with a range-extended new energy vehicle thermal management system as described above has multiple thermal management modes, including:
  • Cooling mode the six-way valve 3 is in the fully closed state, and the seven-way valve 4 is in the fifth state; at this time, the battery branch 9 is connected in series with the battery cooling branch 1; the electric drive branch 10 is connected in series with the radiator branch 12;
  • the refrigerant circuit 2 opens the first solenoid valve to connect to the air-cooled condenser 26 ; opens the third solenoid valve and the fourth solenoid valve to connect to the air conditioning branch 7 and the battery cooling branch 11 .
  • the cooling water flows through the air-cooled condenser 26 for cooling, and then flows through the air-conditioning branch 7 and the battery cooling branch 11 connected to the passenger compartment to cool the passenger compartment and the battery; the cooling water in the electric drive branch 10 flows through the second radiator 23 to cool the electric drive branch 10.
  • First heat pump mode the six-way valve 3 is in the first state, and the seven-way valve 4 is in the sixth state; at this time, the six-way valve 3 makes the air conditioning branch 7 and the heat exchange branch 8 connected in parallel with each other and in series with the PTC branch 5; the battery branch 9 forms a loop alone; the electric drive branch 10, the battery cooling branch 11 and the radiator branch 12 are connected in series to form a loop.
  • the refrigerant circuit 2 opens the second solenoid valve to connect to the water-cooled condenser 16; opens the fourth solenoid valve to connect to the battery cooler; the cooling water flows through the water-cooled condenser 16 to release heat and cool, then flows through the battery cooler 22 to absorb heat from the electric drive module 20 and the second radiator 23 before returning to the compressor 24.
  • the PTC water pump is turned on; the cooling water flows through the water-cooled condenser 16 to absorb heat and then flows through the air conditioning box 17 and the plate heat exchanger 18 to heat the passenger compartment and the battery.
  • the electric drive circuit and battery circuit water pumps are turned on; the coolant in the battery branch absorbs heat through the plate heat exchanger 18 and then flows through the battery pack to complete battery heating; the battery cooler 22 and the second radiator 23 absorb ambient heat.
  • Second heat pump mode the six-way valve 3 is in the first state, and the seven-way valve 4 is in the seventh state; the six-way valve 3 connects the air conditioning branch 7 and the heat exchange branch 8 in parallel and in series with the PTC branch 5; the battery branch 9 forms a loop alone; the electric drive branch 10 and the battery cooling branch 11 form a loop in series.
  • the refrigerant loop 2 opens the second solenoid valve to connect the water-cooled condenser 16; opens the fourth solenoid valve to connect the battery cooler.
  • the cooling water flows through the water-cooled condenser to release heat and cool down, then flows through the battery cooler to absorb the heat of the electric drive module and the second radiator and then returns to the compressor; the PTC water pump is turned on; the cooling water flows through the water-cooled condenser to absorb heat and then flows through the air conditioning box and the plate heat exchanger to heat the passenger compartment and heat the battery hot.
  • the water pumps of the electric drive branch and the battery branch are turned on; the cooling water of the battery branch absorbs heat through the plate heat exchanger and then flows through the battery pack to complete battery heating; the electric drive branch is connected to the battery cooler, and the waste heat of the electric drive module is absorbed by the cooling water through the battery cooler and transferred to the refrigerant circuit.
  • the six-way valve 3 is in the first state, and the seven-way valve 4 is in the eighth state; the six-way valve 3 connects the air conditioning branch 7 and the heat exchange branch 8 in parallel and in series with the PTC branch 5; the battery branch 9, the electric drive branch 10 and the battery cooling branch 11 are connected in series to form a loop.
  • the refrigerant circuit 2 opens the second solenoid valve to connect the water-cooled condenser 16; opens the fourth solenoid valve to connect the battery cooler.
  • the cooling water flows through the water-cooled condenser to release heat and cool down, then flows through the battery cooler to absorb heat from the electric drive module and the second radiator before returning to the compressor; the PTC water pump is turned on; the cooling water flows through the water-cooled condenser to absorb the cooling water heat, then flows through the air-conditioning box and the plate heat exchanger to heat the passenger compartment and the battery at the same time.
  • the water pumps of the electric drive branch and the battery branch are turned on; the electric drive module and the battery branch are connected in series to the plate heat exchanger, and the waste heat of the electric drive module and the battery is absorbed by the cooling water through the battery cooler.
  • the waste heat of the electric drive module is used to heat the battery: the six-way valve 3 is in the fully closed state, and the seven-way valve 4 is in the eighth state; the battery branch 9, the electric drive branch 10 and the battery cooling branch 11 are connected in series to form a loop.
  • the water pumps of the electric drive branch and the battery branch are turned on; the heat from the motor stall or the waste heat of the electric drive module is transferred to the battery pack through the cooling water to heat the battery.
  • the PTC water pump is turned on; the PTC-heated cooling water flows through the air conditioning box and the battery pack to heat the passenger compartment and the battery at the same time.
  • the battery branch water pump is turned on; the battery branch cooling water flows through the plate heat exchanger to heat the battery.
  • the engine waste heat is used to heat the passenger compartment and the battery: the six-way valve 3 is in the second state, and the seven-way valve 4 is in the ninth state; the air-conditioning branch 7 and the heat exchange branch 8 are connected in parallel with each other and in series with the PTC branch 5 and the engine branch 6 in turn; the battery branch 9 forms a loop alone; the electric drive branch 10, the battery cooling branch 11 and the radiator branch 12 are all in the disconnected state.
  • the engine branch connects the plate heat exchanger and the air conditioning box to heat the passenger compartment and the battery at the same time.
  • the cooling water in the battery branch flows through the plate heat exchanger to absorb heat and heat the battery.
  • the six-way valve 3 is in the second state, and the seven-way valve 4 is in the tenth state; the air conditioning branch 7 and the heat exchange branch 8 are connected in parallel with each other and in series with the PTC branch 5 and the engine branch 6 in sequence; the battery branch 9, the electric drive branch 10, the battery cooling branch 11 and the radiator branch 12 are connected in series to form a loop.
  • the cooling water in the PTC heating water circuit 1 absorbs heat at the engine branch 6 and then flows to the heat exchange branch 8 and the air conditioning branch 7, and releases heat through the plate heat exchanger 18 and the air conditioning box 17 respectively; the plate heat exchanger 18 releases heat by transferring the heat to the radiator branch 12.
  • the six-way valve 3 is in the third state, and the seven-way valve 4 is in the tenth state; the PTC branch 5 is connected in series with the heat exchange branch 8; the battery branch 9, the electric drive branch 10, the battery cooling branch 11 and the radiator branch 12 are connected in series to form a loop.
  • the refrigerant circuit 2 opens the second solenoid valve to connect to the water-cooled condenser 16 ; opens the fourth solenoid valve to connect to the battery cooler.
  • the six-way valve 3 is in the third state, and the seven-way valve 4 is in the tenth state; the PTC branch 5 is connected in series with the heat exchange branch 8; the battery branch 9, the electric drive branch 10, the battery cooling branch 11 and the radiator branch 12 are connected in series to form a loop.
  • the cooling water heated by the PTC flows through the plate heat exchanger to heat the cooling water of the electric drive circuit, thereby defrosting the radiator.
  • Engine waste heat defrosting six-way valve 3 is in the fourth state, seven-way valve 4 is in the tenth state; PTC branch 5, engine branch 6 and heat exchange branch 8 are connected in series; battery branch 9, electric drive branch 10, battery cooling branch 11 and radiator branch 12 are connected in series to form a loop.
  • the engine branch is connected to the plate heat exchanger to heat the battery branch cooling water, thereby defrosting the radiator.
  • Electric drive module waste heat defrosting the six-way valve 3 is in the fully closed state, the seven-way valve 4 is in the eleventh state; the electric drive branch 10 and the radiator branch 12 are connected in series to form a loop. The stall heat or waste heat of the electric drive module is transferred to the second radiator through cooling water to defrost it.

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Abstract

本申请提供一种增程新能源汽车热管理系统及汽车，其中，系统包括：PTC加热水回路、电驱回路和冷媒回路，利用六通阀连通PTC加热水回路的各支路；利用七通阀连通电驱回路的各支路。通过切换六通阀与七通阀的状态，利用所述PTC加热水回路的热量为所述电池支路和空调支路加热；同时，利用电驱支路电池冷却支路和散热器支路吸收环境热量。

Description

一种增程新能源汽车热管理系统及汽车
本申请要求在2023年01月18日提交中国专利局、申请号为202310075790.9的中国专利申请的优先权，该申请的全部内容通过引用结合在本申请中。
技术领域
本公开一般涉及汽车热管理技术领域，例如，涉及一种增程新能源汽车热管理系统及汽车。
背景技术
纯电力驱动的增程式新能源汽车，由于其具有节能环保，低碳排放等优势，已经成为了相关技术领域的热点研究对象。
现有技术中，纯电力的增程式新能源汽车的电池使用效率，极大地影响着增程式新能源汽车的单次充电后的行驶寿命。在冬季的寒冷环境下进行行驶时，需要利用发动机的余热或PTC水加热器进行采暖或为电池加热。此类加热方式会增加电池的能源消耗大幅度减少续航里程；因此需要设计一种增程式新能源汽车的热管理系统。
现有的热管理系统中，具有以下缺陷：
1、目前行业内热管理系统使用水阀数量多，管路布置复杂、成本高；
2、采用一个水PTC对暖风制热及电池加热时，PTC热水直通电池包，电池包存在热冲击风险；
3、在低温环境下，通过电机堵转的方式为电池加热，噪声大且会导致整车的NHV性能不佳。
发明内容
鉴于现有技术中的上述缺陷或不足，期望提供一种增程新能源汽车热管理系统及汽车。
本申请提供一种增程新能源汽车热管理系统，包括：
PTC加热水回路，所述PTC加热水回路包括：PTC支路、发动机支路、空调支路和换热支路；所述PTC加热水回路用于吸收发动机产生的热量；
电驱回路，所述电驱回路包括：电池支路、电驱支路、电池冷却支路和散热器支路；所述电驱回路用于将PTC加热水回路(1)中传递来的热量输送至电池与散热器处；
冷媒回路，所述冷媒回路用于分别与PTC加热水回路和电驱回路进行热交换；
六通阀，所述六通阀分别与所述PTC加热水回路的各支路连通；所述六通阀用于使所述空调支路与所述换热支路相互并联，且同时与所述PTC支路串联；
七通阀，所述七通阀分别与电驱回路的各支路连通；所述七通阀用于使所述电池支路独自形成回路，所述电驱支路、所述电池冷却支路和所述散热器支路串联形成回路；
其中，利用所述PTC加热水回路的热量为所述电池支路和空调支路加热；同时，利用电驱支路、电池冷却支路和散热器支路吸收环境热量。
根据本申请实施例提供的技术方案，所述六通阀具有第一状态；当所述六通阀处于第一状态时，所述空调支路和换热支路相互并联且与PTC支路串联；
所述七通阀具有第六状态；当所述七通阀处于第六状态时，所述电池支路独自形成回路；电驱支路、电池冷却支路和散热器支路串联形成回路。
根据本申请实施例提供的技术方案，所述换热支路上串联有板式换热器；所述电池支路与所述板式换热器的另两端连通且还串联有电池模块；
所述换热支路通过所述板式换热器与所述电池支路进行热交换。
根据本申请实施例提供的技术方案，所述PTC支路上串联有水冷冷凝器和PTC；所述发动机支路上串联有发动机组件和第一散热器；所述空调支路上串联有空调箱；
所述电驱支路上串联有电驱模块和蓄水壶；所述电池冷却支路上串联有电池冷却器；所述散热器支路上串联有第二散热器；
所述电池冷却支路通过所述电池冷却器与所述冷媒回路进行热交换。
根据本申请实施例提供的技术方案，所述冷媒回路包括：依次串联连接的压缩机、水冷冷凝器、储液罐和电池冷却器；所述水冷冷凝器并联有空冷冷凝器；所述电池冷却器与所述空调箱相并联；
所述冷媒回路通过所述水冷冷凝器与所述PTC支路进行热交换；通过所述电池冷却器与所述电池冷却支路进行热交换；通过所述空调箱与所述空调支路进行热交换。
根据本申请实施例提供的技术方案，所述空冷冷凝器所在支路串联有第一电磁阀，用于控制所述空冷冷凝器连通所述冷媒回路；
所述水冷冷凝器所在支路串联有第二电磁阀，用于控制所述水冷冷凝器连通所述冷媒回路；
所述空调箱所在支路串联有第三电磁阀，用于控制所述空调箱连通所述冷媒回路；
所述电池冷却器所在支路串联有第四电磁阀，用于控制所述电池冷却器连通所述冷媒回路。
根据本申请实施例提供的技术方案，所述七通阀还具有第七状态；
当所述六通阀处于第一状态，所述七通阀处于第七状态时，所述空调支路和换热支路相互并联且与所述PTC支路串联；所述电池支路独自形成回路，所述电驱支路和电池冷却支路串联形成回路；
所述冷媒回路的冷却水在所述PTC支路处放热冷却，在所述电池冷却支路处吸收热量；
所述PTC加热水回路的冷却水在所述PTC加热水回路处吸热后，分别在所述空调支路与所述换热支路处放热；同时为与所述空调支路连通的乘员舱和与电池支路连通的电池加热。
根据本申请实施例提供的技术方案，所述六通阀还具有第二状态；所述七通阀还具有第十状态；
当所述六通阀处于第二状态，所述七通阀处于第十状态时，所述 空调支路和换热支路相互并联且与所述PTC支路和发动机支路串联；所述电池支路、电驱支路、电池冷却支路和散热器支路串联形成回路；
所述PTC加热水回路内的冷却水在发动机支路处吸收热量后在所述换热支路和所述空调支路处释放热量；利用与空调支路和与散热器支路连通的第二散热器为与发动机连通的发动机支路散热。
根据本申请实施例提供的技术方案，所述六通阀还具有第三状态；
当所述六通阀处于第三状态，所述七通阀处于第十状态时，所述PTC支路和所述换热支路串联形成回路；所述电池支路、电驱支路、电池冷却支路和散热器支路串联形成回路；
所述冷媒回路的冷却水在所述PTC支路处放热冷却，在所述电池冷却支路处吸收热量；
所述PTC加热水回路的冷却水在所述PTC加热水回路处吸热后，在所述换热支路处放热，所述电驱回路内的冷却水吸收热量后为与散热器支路连通的第二散热器加热除霜。
本申请提供一种汽车，包括如上述的一种增程新能源汽车热管理系统。
与相关技术相比，本申请可以：
通过设置六通阀与七通阀；所述六通阀分别与所述PTC加热水回路的PTC支路、发动机支路、空调支路和换热支路连通；所述七通阀分别与所述电池支路、所述电驱支路、所述电池冷却支路和所述散热器支路连通。
所述六通阀使所述空调支路与所述换热支路相互并联，且同时与所述PTC支路串联；所述七通阀使所述电池支路独自形成回路，所述电驱支路、所述电池冷却支路和所述散热器支路串联形成回路时，利用所述PTC加热水回路的热量为所述电池支路和空调支路加热；同时，利用电驱支路电池冷却支路和散热器支路吸收环境热量。
通过上述方式，使各回路均与六通阀七通阀连通，能够减少热管理系统的阀的数量，简化管路布置，降低成本；还通过切换六通阀、七通阀的状态使用回路中的冷却水传递热量，为电池加热，能够避免PTC热水直通电池包，避免热冲击风险；利用回路中的冷却水吸收发 动机的余热为电池加热，降低了电机噪声，提高了整车的NHV性能。
附图说明
图1为本申请提供的一种增程新能源汽车热管理系统的回路结构示意图；
图2为PTC加热水回路的结构示意图；
图3为冷媒回路的结构示意图；
图4为电驱回路的结构示意图；
图5为六通阀与七通阀的端口连接关系示意图；
图6为各回路与六通阀和七通阀的连接关系示意图；
图7为六通阀第一状态时的连通示意图；
图8为六通阀第二状态时的连通示意图；
图9为六通阀第三状态时的连通示意图；
图10为六通阀第四状态时的连通示意图；
图11为七通阀第五状态时的连通示意图；
图12为七通阀第六状态时的连通示意图；
图13为七通阀第七状态时的连通示意图；
图14为七通阀第八状态时的连通示意图；
图15为七通阀第九状态时的连通示意图；
图16为七通阀第十状态时的连通示意图；
图17为七通阀第十一状态时的连通示意图；
其中：1、PTC加热水回路；2、冷媒回路；3、六通阀；4、七通阀；5、PTC支路；6、发动机支路；7、空调支路；8、换热支路；9、电池支路；10、电驱支路；11、电池冷却支路；12、散热器支路；13、PTC；14、发动机组件；15、第一散热器；16、水冷冷凝器；17、空调箱；18、板式换热器；19、电池模块；20、电驱模块；21、蓄水壶；22、电池冷却器；23、第二散热器；24、压缩机；25、储液罐；26、空冷冷凝器；
101、第一输入端；102、第一输出端；103、第二输入端；104、第二输出端；105、第三输入端；106、第三输出端；107、第四输入端； 108、第四输出端；109、第五输入端；110、第五输出端；111、第六输入端；112、第六输出端；113、第七输入端；114、第七输出端；115、第八输入端；116、第八输出端；
201、第一端；202、第二端；203、第三端；204、第四端；205、第五端；206、第六端；207、第七端；208、第八端；209、第九端；210、第十端；211、第十一端；212、第十二端；213、第十三端。
具体实施方式
下面结合附图和实施例对本申请作进一步的详细说明。
实施例1
请参考图1至图5，为本实施例提供的一种增程新能源汽车热管理系统示意图，包括：
PTC加热水回路1，所述PTC加热水回路1包括：PTC支路5、发动机支路6、空调支路7和换热支路8；所述PTC加热水回路1用于吸收发动机产生的热量；
电驱回路，所述电驱回路包括：电池支路9、电驱支路10、电池冷却支路11和散热器支路12；所述电驱回路用于将PTC加热水回路1中传递来的热量输送至电池与散热器处；
冷媒回路2，所述冷媒回路2用于分别与PTC加热水回路1和电驱回路进行热交换；
六通阀3，所述六通阀3分别与所述PTC加热水回路1的各支路连通；所述六通阀3用于使所述空调支路7与所述换热支路8相互并联，且同时与所述PTC支路5串联；
七通阀4，所述七通阀4分别与电驱回路的各支路连通；所述七通阀4用于使所述电池支路9独自形成回路，所述电驱支路10、所述电池冷却支路11和所述散热器支路12串联形成回路；
其中，利用所述PTC加热水回路1的热量为所述电池支路9和空调支路7加热；同时，利用电驱支路10、电池冷却支路11和散热器支路12吸收环境热量。
参考图6至图17，所述PTC支路5具有第一输入端101和第一输 出端102；所述发动机支路6具有第二输入端103和第二输出端104；所述空调支路7具有第三输入端105和第三输出端106；所述换热支路8具有第四输入端107和第四输出端108。
所述电池支路9具有第五输入端109和第五输出端110；所述电驱支路10具有第六输入端111和第六输出端112；所述电池冷却支路11具有第七输入端113和第七输出端114；所述散热器支路12具有第八输入端115和第八输出端116；所述第八输出端116与所述第六输入端111连通。
所述六通阀3具有第一端201、第二端202、第三端203、第四端204、第五端205和第六端206。
所述第一端201与所述第一输出端102连通；所述第二端202与所述第四输入端107连通；所述第三端203与所述第三输入端105连通；所述第四端204与所述第三输出端106和第四输出端108连通；所述第五端205与所述第一输入端101和第二输出端104连通；所述第六端206与所述第二输入端103连通。
所述七通阀4具有第七端207、第八端208、第九端209、第十端210、第十一端211、第十二端212、第十三端213。
所述第七端207与所述第七输入端113连通；所述第八端208与所述第七输出端114连通；所述第九端209与所述第六输出端112连通；所述第十端210与所述第六输入端111连通；所述第十一端211与所述第八输入端115连通；所述第十二端212与所述第五输入端109连通；所述第十三端213与所述第五输出端110连通。
在一些实施方式中，将整个热管理系统的所有水阀的功能集中到一个六通阀3和一个七通阀4上，通过使六通阀3的各端分别与所述PTC加热水回路1的PTC支路5、发动机支路6、空调支路7和换热支路8连通；所述七通阀4的各端分别与所述电驱回路的电池支路9、电驱支路10、电池冷却支路11和散热器支路12连通，能够自由切换所述六通阀3与七通阀4的状态，进而切换各支路之间的连通关系，最终实现根据实际需求合理分配发动机产生的余热，利用发动机产生的余热在寒冷环境下为乘员舱、电池加热，保证乘客具有良好的乘坐 体验；同时，能够使电池处于正常工作的温度范围，保证整车能够正常运行。
本申请提供的热管理系统中仅包含一个六通阀3和一个七通阀4，即可实现合理利用整个发动机余热；通过更简单的设计实现了对热管理系统管路结构的简化，降低了水阀的成本消耗。
在一些实施方式中，本申请提供的热管理系统中，使用了多个回路间热交换的方式传递热量。在PTC处产生的热水从PTC支路5流通至换热支路8，并通过板式换热器将热水中的热量传递至电池支路9的水中；使用电池支路9中的冷却水二次吸收热量，并流通至电池包处为电池包加热；能够避免PTC处加热产生的热水直通电池包，产生热冲击，损坏电池包。
其中，根据热力学第一定律与第二定律，两回路间在热量传递的过程中，热量会有一部分散发至温度更低的环境中，吸收热量的一方只能吸收部分热量。因此，使用电池支路9中的水二次吸收热量，会使二次吸收热量后的水温要明显低于PTC处的水温；进而使为电池包加热的水温不会过高，因此避免了产生热冲击损坏电池包，保证了电池处于正常的工作温度区间。
在一些实施方式中，针对现有技术中利用电机堵转产生热量为电池加热会产生较大的噪声的问题，本申请提供的热管理系统利用电机运行时产生的热量，通过电驱支路10内的冷却水吸收热量，并在七通阀4连通电驱支路10与电池支路9的状态下，将热量传递至电池包处为电池加热。在此种方式下，无需电机堵转产热，能够降低电机噪声，提高整车的NHV性能。
进一步地，所述六通阀3具有第一状态；当所述六通阀3处于第一状态时，所述空调支路7和换热支路8相互并联且与PTC支路5串联；
所述七通阀4具有第六状态；当所述七通阀4处于第六状态时，所述电池支路9独自形成回路；电驱支路10、电池冷却支路11和散热器支路12串联形成回。
所述六通阀3具有第一状态、第二状态、第三状态和第四状态。
当处于第一状态时，所述第一端201、第二端202和第三端203连通，所述第四端204和第五端205连通；
当处于第二状态时，所述第一端201、第二端202和第三端203，连通，所述第四端204和第六端206连通；
当处于第三状态时，所述第一端201和第二端202连通，所述第四端204和第五端205连通；
当处于第四状态时，所述第一端201和第二端202连通，所述第四端204和第六端206连通；
所述七通阀4具有第五状态、第六状态、第七状态、第八状态、第九状态、第十状态和第十一状态。
当处于第五状态时，所述第七端207和第十二端212连通，所述第八端208和第十三端213连通，所述第九端209和第十一端211连通；
当处于第六状态时，所述第十二端212和第十三端213连通，所述第七端207和第十一端211连通，所述第八端208和第九端209连通；
当处于第七状态时，所述第十二端212和第十三端213连通，所述第七端207和第十端210连通，所述第八端208和第九端209连通；
当处于第八状态时，所述第七端207和第十端210连通，所述第八端208和第十三端213连通，所述第九端209和第十二端212连通；
当处于第九状态时，所述第十二端212和第十三端213连通；
当处于第十状态时，所述第七端207和第十一端211连通，所述第八端208和第十三端213连通，所述第九端209和第十二端212连通；
当处于第十一状态时，所述第九端209和第十一端211连通。
根据上文所描述的连通关系，由于所述六通阀3和七通阀4的各端分别与各支路的输入端或输出端连通；同时，切换六通阀3与七通阀4的状态，使阀内的各端之间连通，进而使相应的支路之间连通。通过上述方式，能够使一个六通阀3和一个七通阀4实现多个支路间连通关系的自由切换，简化管路布置，合理分配系统中的热量。
进一步地，所述换热支路8上串联有板式换热器18；所述电池支路9与所述板式换热器18的另两端连通且还串联有电池模块19；
所述换热支路8通过所述板式换热器18与所述电池支路9进行热交换。
在一些实施方式中，所述换热支路8通过所述板式换热器18与所述电池支路9进行热交换，能够利用冷却水在发动机处吸收热量并流通至换热支路8的板式换热器18处，经过板式换热器18将热量传递至电池支路9，进而通过电池支路9内的冷却水将热量传递至电池包处，为电池加热。
使用电池支路9中的冷却水二次吸收热量，并流通至电池包处为电池包加热；能够避免PTC处加热产生的热水直通电池包，产生热冲击，损坏电池包。
进一步地，所述PTC支路5上串联有水冷冷凝器16和PTC13；所述发动机支路6上串联有发动机组件14和第一散热器15；所述空调支路7上串联有空调箱17；
所述电驱支路10上串联有电驱模块20和蓄水壶21；所述电池冷却支路11上串联有电池冷却器22；所述散热器支路12上串联有第二散热器23；
所述电池冷却支路11通过所述电池冷却器22与所述冷媒回路2进行热交换。
在一些实施方式中，所述电池冷却支路11通过所述电池冷却器22与所述冷媒回路2进行热交换；能够在七通阀4连通电池支路9与电池冷却支路11的状态下，利用冷媒回路2中温度更低的冷却水吸收电池冷却支路11内冷却水的温度，进而将电池向外输出电能时产生的热能散发掉，避免电池包处温度过高，保证电池包工作在正常的温度区间内。
进一步地，所述冷媒回路2包括：依次串联连接的压缩机24、水冷冷凝器16、储液罐25和电池冷却器22；所述水冷冷凝器16并联有空冷冷凝器26；所述电池冷却器22与所述空调箱17相并联；
所述冷媒回路2通过所述水冷冷凝器16与所述PTC支路5进行热 交换；通过所述电池冷却器22与所述电池冷却支路11进行热交换；通过所述空调箱17与所述空调支路7进行热交换。
在一些实施方式中，冷媒回路2上连通有用于对回路中冷却水降温的压缩机24、水冷冷凝器16、空冷冷凝器26和电池冷却器22。所述水冷冷凝器16的两端与冷媒回路2连通，另两端与PTC支路5连通，用于吸收PTC支路5中冷却水的热量，为PTC支路5降温。
所述电池冷却器22的两端与电池冷却支路11连通，另外两端与所述冷媒回路2连通，用于为电池冷却支路11与冷媒回路2交换热量。当电池冷却支路11一侧的水温较高时，电池冷却器22为电池冷却支路11制冷；当电池冷却支路11一侧的水温较低时，电池冷却器22为电池冷却支路11加热。
所述空调箱17的两端与冷媒回路2连通，另外两端与空调支路7连通。当空调箱17只与冷媒回路2连通时，冷媒回路2为与空调箱17连通的乘员舱制冷降温；当空调箱17只与空调支路7连通时，空调支路7内温度较高的冷却水为与空调箱17连通的乘员舱加热。
通过上述的热交换方式，能够根据实际的外界环境温度与热管理系统内的热量所处回路，合理分配热量，使各回路均能够处于正常工作的温度区间。
进一步地，所述空冷冷凝器26所在支路串联有第一电磁阀，用于控制所述空冷冷凝器26连通所述冷媒回路2；
所述水冷冷凝器16所在支路串联有第二电磁阀，用于控制所述水冷冷凝器16连通所述冷媒回路2；
所述空调箱17所在支路串联有第三电磁阀，用于控制所述空调箱17连通所述冷媒回路2；
所述电池冷却器22所在支路串联有第四电磁阀，用于控制所述电池冷却器22连通所述冷媒回路2。
在一些实施方式中，所述水冷冷凝器16、空冷冷凝器26、空调箱17和电池冷却器22均串联有电磁阀，能够根据所述六通阀3和七通阀4的连通状态，打开第二电磁阀切换水冷冷凝器16与冷媒回路2的连通状态，使水冷冷凝器16为PTC支路5中的冷却水降温。
在一些实施方式中，在连通水冷冷凝器16为PTC支路5中的冷却水降温后，打开第三电磁阀或第四电磁阀；使冷媒回路2中吸收热量后的冷却水流经空调支路7或电池冷却支路11，来为乘员舱或电池包加热。上述方式，能够利用冷媒回路2为PTC加热水回路1降温，并将热量传递至电驱回路；实现了为回路降温的功能。
进一步地，当所述六通阀3处于第一状态，所述七通阀4处于第七状态时，所述空调支路7和换热支路8相互并联且与所述PTC支路5串联；所述电池支路9独自形成回路，所述电驱支路10和电池冷却支路11串联形成回路；
所述冷媒回路2的冷却水在所述PTC支路5处放热冷却，在所述电池冷却支路11处吸收热量；
所述PTC加热水回路1的冷却水在所述PTC加热水回路1处吸热后，分别在所述空调支路7与所述换热支路8处放热；同时为与所述空调支路7连通的乘员舱和与电池支路9连通的电池加热。
在一些实施方式中，所述六通阀3处于第一状态时，所述第一端201、第二端202和第三端203连通，所述第四端204和第五端205连通；此时，所述六通阀3使空调支路7和换热支路8相互并联且与PTC支路5串联。
所述七通阀4处于第七状态时，所述第十二端212和第十三端213连通，所述第七端207和第十端210连通，所述第八端208和第九端209连通；此时，电池支路9独自形成回路；电驱支路10和电池冷却支路11串联形成回路。
所述冷媒回路2内的冷却水在电池冷却支路11处吸收电池冷却器22以及电驱模块20产生的热量，并经过回路内的水循环流通至水冷冷凝器16处；所述PTC支路5处的冷却水在流经与冷媒回路2连通的水冷冷凝器16后吸热，进而分别流通至所述空调支路7与所述换热支路8处放热；将电池冷却器22以及电驱模块20产生的热量传递至PTC支路5，再传递至空调支路7与所述换热支路8；能够同时为与所述空调支路7连通的乘员舱和与电池支路9连通的电池加热。
进一步地，当所述六通阀3处于第二状态，所述七通阀4处于第 十状态时，所述空调支路7和换热支路8相互并联且与所述PTC支路5和发动机支路6串联；所述电池支路9、电驱支路10、电池冷却支路11和散热器支路12串联形成回路；
所述PTC加热水回路1内的冷却水在发动机支路6处吸收热量后在所述换热支路8和所述空调支路7处释放热量；利用与空调支路7和与散热器支路12连通的第二散热器23为与发动机连通的发动机支路6散热。
在一些实施方式中，所述六通阀3处于第二状态时，所述第一端201、第二端202和第三端203，连通，所述第四端204和第六端206连通；此时，空调支路7和换热支路8相互并联且依次与PTC支路5和发动机支路6串联。
所述七通阀4处于第十状态时，所述第七端207和第十一端211连通，所述第八端208和第十三端213连通，所述第九端209和第十二端212连通；此时，电池支路9、电驱支路10、电池冷却支路11和散热器支路12一同串联形成回路。
所述PTC加热水回路1内的冷却水在发动机支路6处吸收热量后流通至所述换热支路8和所述空调支路7处，分别通过板式换热器18与空调箱17释放热量；板式换热器18通过将热量传递至散热器支路12处将热量释放。上述方式，能够利用与空调支路7和与散热器支路12连通的第二散热器23为与发动机连通的发动机支路6散热，合理利用整个热管理系统内的所有散热装置为发动机散热，提高散热效率。
进一步地，当所述六通阀3处于第三状态，所述七通阀4处于第十状态时，所述PTC支路5和所述换热支路8串联形成回路；所述电池支路9、电驱支路10、电池冷却支路11和散热器支路12串联形成回路；
所述冷媒回路2的冷却水在所述PTC支路5处放热冷却，在所述电池冷却支路11处吸收热量；
所述PTC加热水回路1的冷却水在所述PTC加热水回路1处吸热后，在所述换热支路8处放热，所述电驱回路内的冷却水吸收热量后为与散热器支路12连通的第二散热器23加热除霜。
在一些实施方式中，所述六通阀3处于第三状态时，所述第一端201和第二端202连通，所述第四端204和第五端205连通；此时，PTC支路5与换热支路8串联连接。
所述七通阀4处于第十状态时，所述第七端207和第十一端211连通，所述第八端208和第十三端213连通，所述第九端209和第十二端212连通；此时，电池支路9、电驱支路10、电池冷却支路11和散热器支路12一同串联形成回路。
所述PTC加热水回路1内的热量通过板式换热器18传递至电池支路9内，由于电池支路9、电驱支路10、电池冷却支路11和散热器支路12一同串联形成回路，由板式换热器18传递来的热量，通过整个电驱回路的水循环传递至第二散热器23处，为第二散热器23加热。通过上述方式，能够为第二散热器23加热去除附着在其表面的霜，保证第二散热器23能够正常进行散热工作。
电驱模块包括电机，电机堵转表示电机处产生力矩，但是并不产生旋转。
六通阀3的各端连通状态与各支路的连通关系如下所示。
在一些实施方式中，所述六通阀3处于第一状态时，所述第一端201、第二端202和第三端203连通，所述第四端204和第五端205连通；此时，所述六通阀3使空调支路7和换热支路8相互并联且与PTC支路5串联。
在一些实施方式中，所述六通阀3处于第二状态时，所述第一端201、第二端202和第三端203，连通，所述第四端204和第六端206连通；此时，空调支路7和换热支路8相互并联且依次与PTC支路5和发动机支路6串联。
在一些实施方式中，所述六通阀3处于第三状态时，所述第一端201和第二端202连通，所述第四端204和第五端205连通；此时，PTC支路5与换热支路8串联连接。
在一些实施方式中，所述六通阀3处于第四状态时，所述第一端201和第二端202连通，所述第四端204和第六端206连通；此时，PTC支路5、发动机支路6和换热支路8串联连接。
七通阀4的各端连通状态与各支路的连通关系如下所示。
在一些实施方式中，所述七通阀4处于第五状态时，所述第七端207和第十二端212连通，所述第八端208和第十三端213连通，所述第九端209和第十一端211连通；此时，所述电池支路9与电池冷却支路1相串联；所述电驱支路10与所述散热器支路12相串联。
在一些实施方式中，所述七通阀4处于第六状态时，所述第十二端212和第十三端213连通，所述第七端207和第十一端211连通，所述第八端208和第九端209连通；此时，电池支路9独自形成回路；电驱支路10、电池冷却支路11和散热器支路12串联形成回路。
在一些实施方式中，所述七通阀4处于第七状态时，所述第十二端212和第十三端213连通，所述第七端207和第十端210连通，所述第八端208和第九端209连通；此时，电池支路9独自形成回路；电驱支路10和电池冷却支路11串联形成回路。
在一些实施方式中，所述七通阀4处于第八状态时，所述第七端207和第十端210连通，所述第八端208和第十三端213连通，所述第九端209和第十二端212连通；此时，电池支路9、电驱支路10和电池冷却支路11串联形成回路。
在一些实施方式中，所述七通阀4处于第九状态时，所述第十二端212和第十三端213连通；此时，电池支路9独自形成回路；电驱支路10、电池冷却支路11和散热器支路12之间均处于断开状态。
在一些实施方式中，所述七通阀4处于第十状态时，所述第七端207和第十一端211连通，所述第八端208和第十三端213连通，所述第九端209和第十二端212连通；此时，电池支路9、电驱支路10、电池冷却支路11和散热器支路12一同串联形成回路。
在一些实施方式中，所述七通阀4处于第十一状态时，所述第九端209和第十一端211连通；此时，电驱支路10与散热器支路12串联形成回路。
实施例2
本实施例提供一种汽车，包括如上述的一种增程新能源汽车热管理系统。
安装有如上述的一种增程新能源汽车热管理系统的汽车具有多种热管理模式，包括：
一、冷却模式：六通阀3处于全关闭状态，七通阀4处于第五状态；此时，所述电池支路9与电池冷却支路1相串联；所述电驱支路10与所述散热器支路12相串联；
冷媒回路2打开第一电磁阀，连通空冷冷凝器26；打开第三电磁阀和第四电磁阀，连通空调支路7和电池冷却支路11。
冷却水流经空冷冷凝器26冷却，再流经与乘员舱连通的空调支路7和电池冷却支路11，为乘员舱和电池制冷；电驱支路10内的冷却水流经第二散热器23为电驱支路10制冷。
二、第一热泵模式：六通阀3处于第一状态，七通阀4处于第六状态；此时，所述六通阀3使空调支路7和换热支路8相互并联且与PTC支路5串联；电池支路9独自形成回路；电驱支路10、电池冷却支路11和散热器支路12串联形成回路。
所述冷媒回路2打开第二电磁阀，连通水冷冷凝器16；打开第四电磁阀连通电池冷却器；冷却水流经水冷冷凝器16放热冷却，再流经电池冷却器22吸收电驱模块20及第二散热器23的热量后返回压缩机24。
PTC水泵开启；冷却水流经水冷冷凝器16吸热后流经空调箱17和板式换热器18为乘员舱采暖，同时为电池加热。电驱回路、电池回路水泵开启；电池支路路冷却液经过板式换热器18吸热后流经电池包完成电池加热；所述电池冷却器22及第二散热器23吸收环境热量。
三、第二热泵模式：六通阀3处于第一状态，七通阀4处于第七状态；所述六通阀3使空调支路7和换热支路8相互并联且与PTC支路5串联；电池支路9独自形成回路；电驱支路10和电池冷却支路11串联形成回路。所述冷媒回路2打开第二电磁阀，连通水冷冷凝器16；打开第四电磁阀连通电池冷却器。
冷却水流经水冷冷凝器放热冷却，再流经电池冷却器吸收电驱模块及第二散热器热量后返回压缩机；PTC水泵开启；冷却水流经水冷冷凝器吸热后流经空调箱和板式换热器为乘员舱采暖同时为电池加 热。
电驱支路、电池支路水泵开启；电池支路冷却水经过板式换热器吸热后流经电池包完成电池加热；电驱支路连接电池冷却器，电驱模块余热通过电池冷却器被冷却水吸收传递至冷媒回路中。
四、第三热泵模式：六通阀3处于第一状态，七通阀4处于第八状态；所述六通阀3使空调支路7和换热支路8相互并联且与PTC支路5串联；电池支路9、电驱支路10和电池冷却支路11串联形成回路。所述冷媒回路2打开第二电磁阀，连通水冷冷凝器16；打开第四电磁阀连通电池冷却器。
冷却水流经水冷冷凝器放热冷却，再流经电池冷却器吸收电驱模块及第二散热器热量后返回压缩机；PTC水泵开启；冷却水流经水冷冷凝器吸收冷却水热量后流经空调箱和板式换热器为乘员舱采暖，同时为电池加热。
电驱支路、电池支路水泵开启；电驱模块及电池支路串联到板式换热器，电驱模块及电池余热通过电池冷却器被冷却水吸收。
五、电驱模块余热为电池加热：六通阀3处于全关闭状态，七通阀4处于第八状态；电池支路9、电驱支路10和电池冷却支路11串联形成回路。电驱支路、电池支路水泵开启；电机堵转热量或电驱模块余热通过冷却水传递到电池包对电池进行加热。
六、水PTC为电池和乘员舱加热：六通阀3处于第一状态，七通阀4处于第九状态；所述六通阀3使空调支路7和换热支路8相互并联且与PTC支路5串联；电池支路9独自形成回路；电驱支路10、电池冷却支路11和散热器支路12之间均处于断开状态。
PTC水泵开启；PTC加热冷却水流经空调箱和电池包，为乘员舱采暖；同时为电池加热。电池支路水泵开启；电池支路冷却水流经板式换热器对电池进行加热。
七、发动机余热为乘员舱和电池加热：六通阀3处于第二状态，七通阀4处于第九状态；空调支路7和换热支路8相互并联且依次与PTC支路5和发动机支路6串联；电池支路9独自形成回路；电驱支路10、电池冷却支路11和散热器支路12之间均处于断开状态。
发动机支路连通板式换热器和空调箱为乘员舱采暖；同时为电池加热。电池支路的冷却水流经板式换热器吸收热量后给电池加热。
八、电池空冷模式：六通阀3处于第二状态，七通阀4处于第十状态；空调支路7和换热支路8相互并联且依次与PTC支路5和发动机支路6串联；电池支路9、电驱支路10、电池冷却支路11和散热器支路12一同串联形成回路。
所述PTC加热水回路1内的冷却水在发动机支路6处吸收热量后流通至所述换热支路8和所述空调支路7处，分别通过板式换热器18与空调箱17释放热量；板式换热器18通过将热量传递至散热器支路12处将热量释放。
九、热泵除霜：六通阀3处于第三状态，七通阀4处于第十状态；PTC支路5与换热支路8串联连接；电池支路9、电驱支路10、电池冷却支路11和散热器支路12一同串联形成回路。
所述冷媒回路2打开第二电磁阀，连通水冷冷凝器16；打开第四电磁阀连通电池冷却器。
所述PTC加热水回路1内的热量通过板式换热器18传递至电池支路9内，由于电池支路9、电驱支路10、电池冷却支路11和散热器支路12一同串联形成回路，由板式换热器18传递来的热量，通过整个电驱支路的水循环传递至第二散热器23处，为第二散热器23加热。
十、水PTC除霜：六通阀3处于第三状态，七通阀4处于第十状态；PTC支路5与换热支路8串联连接；电池支路9、电驱支路10、电池冷却支路11和散热器支路12一同串联形成回路。由PTC加热的冷却水流经板式换热器给电驱回路的冷却水加热，从而为散热器除霜。
十一、发动机余热除霜：六通阀3处于第四状态，七通阀4处于第十状态；PTC支路5、发动机支路6和换热支路8串联连接；电池支路9、电驱支路10、电池冷却支路11和散热器支路12一同串联形成回路。发动机支路连通板式换热器加热电池支路冷却水，从而为散热器除霜。
十二、电驱模块余热除霜：六通阀3处于全关闭状态，七通阀4处于第十一状态；电驱支路10与散热器支路12串联形成回路。电机 堵转热量或电驱模块余热通过冷却水传递到第二散热器为其除霜。
以上描述仅为本申请的较佳实施例以及对所运用技术原理的说明。本领域技术人员应当理解，本申请中所涉及的发明范围，并不限于上述技术特征的特定组合而成的技术方案，同时也应涵盖在不脱离所述发明构思的情况下，由上述技术特征或其等同特征进行任意组合而形成的其它技术方案。例如上述特征与本申请中公开的(但不限于)具有类似功能的技术特征进行互相替换而形成的技术方案。

Claims (10)

  1. 一种增程新能源汽车热管理系统，包括:
    PTC加热水回路(1)，所述PTC加热水回路(1)包括：PTC支路(5)、发动机支路(6)、空调支路(7)和换热支路(8)；所述PTC加热水回路(1)用于吸收发动机产生的热量；
    电驱回路，所述电驱回路包括：电池支路(9)、电驱支路(10)、电池冷却支路(11)和散热器支路(12)；所述电驱回路用于将PTC加热水回路(1)中传递来的热量输送至电池与散热器处；
    冷媒回路(2)，所述冷媒回路(2)用于分别与PTC加热水回路(1)和电驱回路进行热交换；
    六通阀(3)，所述六通阀(3)分别与所述PTC加热水回路(1)的各支路连通；所述六通阀(3)用于使所述空调支路(7)与所述换热支路(8)相互并联，且同时与所述PTC支路(5)串联；
    七通阀(4)，所述七通阀(4)分别与电驱回路的各支路连通；所述七通阀(4)用于使所述电池支路(9)独自形成回路，所述电驱支路(10)、所述电池冷却支路(11)和所述散热器支路(12)串联形成回路；
    其中，利用所述PTC加热水回路(1)的热量为所述电池支路(9)和空调支路(7)加热；同时，利用电驱支路(10)、电池冷却支路(11)和散热器支路(12)吸收环境热量。
  2. 根据权利要求1所述的一种增程新能源汽车热管理系统，其中，所述六通阀(3)具有第一状态；当所述六通阀(3)处于第一状态时，所述空调支路(7)和换热支路(8)相互并联且与PTC支路(5)串联；
    所述七通阀(4)具有第六状态；当所述七通阀(4)处于第六状态时，所述电池支路(9)独自形成回路；电驱支路(10)、电池冷却支路(11)和散热器支路(12)串联形成回路。
  3. 根据权利要求1所述的一种增程新能源汽车热管理系统，其中，所述换热支路(8)上串联有板式换热器(18)；所述电池支路(9) 与所述板式换热器(18)的另两端连通且还串联有电池模块(19)；
    所述换热支路(8)通过所述板式换热器(18)与所述电池支路(9)进行热交换。
  4. 根据权利要求3所述的一种增程新能源汽车热管理系统，其中，所述PTC支路(5)上串联有水冷冷凝器(16)和PTC(13)；所述发动机支路(6)上串联有发动机组件(14)和第一散热器(15)；所述空调支路(7)上串联有空调箱(17)；
    所述电驱支路(10)上串联有电驱模块(20)和蓄水壶(21)；所述电池冷却支路(11)上串联有电池冷却器(22)；所述散热器支路(12)上串联有第二散热器(23)；
    所述电池冷却支路(11)通过所述电池冷却器(22)与所述冷媒回路(2)进行热交换。
  5. 根据权利要求4所述的一种增程新能源汽车热管理系统，其中，所述冷媒回路(2)包括：依次串联连接的压缩机(24)、水冷冷凝器(16)、储液罐(25)和电池冷却器(22)；所述水冷冷凝器(16)并联有空冷冷凝器(26)；所述电池冷却器(22)与所述空调箱(17)相并联；
    所述冷媒回路(2)通过所述水冷冷凝器(16)与所述PTC支路(5)进行热交换；通过所述电池冷却器(22)与所述电池冷却支路(11)进行热交换；通过所述空调箱(17)与所述空调支路(7)进行热交换。
  6. 根据权利要求5所述的一种增程新能源汽车热管理系统，其中，所述空冷冷凝器(26)所在支路串联有第一电磁阀，用于控制所述空冷冷凝器(26)连通所述冷媒回路(2)；
    所述水冷冷凝器(16)所在支路串联有第二电磁阀，用于控制所述水冷冷凝器(16)连通所述冷媒回路(2)；
    所述空调箱(17)所在支路串联有第三电磁阀，用于控制所述空调箱(17)连通所述冷媒回路(2)；
    所述电池冷却器(22)所在支路串联有第四电磁阀，用于控制所述电池冷却器(22)连通所述冷媒回路(2)。
  7. 根据权利要求2所述的一种增程新能源汽车热管理系统，其 中，所述七通阀(4)还具有第七状态；
    当所述六通阀(3)处于第一状态，所述七通阀(4)处于第七状态时，所述空调支路(7)和换热支路(8)相互并联且与所述PTC支路(5)串联；所述电池支路(9)独自形成回路，所述电驱支路(10)和电池冷却支路(11)串联形成回路；
    所述冷媒回路(2)的冷却水在所述PTC支路(5)处放热冷却，在所述电池冷却支路(11)处吸收热量；
    所述PTC加热水回路(1)的冷却水在所述PTC加热水回路(1)处吸热后，分别在所述空调支路(7)与所述换热支路(8)处放热；同时为与所述空调支路(7)连通的乘员舱和与电池支路(9)连通的电池加热。
  8. 根据权利要求4所述的一种增程新能源汽车热管理系统，其中，所述六通阀(3)还具有第二状态；所述七通阀(4)还具有第十状态；
    当所述六通阀(3)处于第二状态，所述七通阀(4)处于第十状态时，所述空调支路(7)和换热支路(8)相互并联且与所述PTC支路(5)和发动机支路(6)串联；所述电池支路(9)、电驱支路(10)、电池冷却支路(11)和散热器支路(12)串联形成回路；
    所述PTC加热水回路(1)内的冷却水在发动机支路(6)处吸收热量后在所述换热支路(8)和所述空调支路(7)处释放热量；利用与空调支路(7)和与散热器支路(12)连通的第二散热器(23)为与发动机连通的发动机支路(6)散热。
  9. 根据权利要求4所述的一种增程新能源汽车热管理系统，其中，所述六通阀(3)还具有第三状态；
    当所述六通阀(3)处于第三状态，所述七通阀(4)处于第十状态时，所述PTC支路(5)和所述换热支路(8)串联形成回路；所述电池支路(9)、电驱支路(10)、电池冷却支路(11)和散热器支路(12)串联形成回路；
    所述冷媒回路(2)的冷却水在所述PTC支路(5)处放热冷却，在所述电池冷却支路(11)处吸收热量；
    所述PTC加热水回路(1)的冷却水在所述PTC加热水回路(1)处吸热后，在所述换热支路(8)处放热，所述电驱回路内的冷却水吸收热量后为与散热器支路(12)连通的第二散热器(23)加热除霜。
  10. 一种汽车，包括如权利要求1-9任一项所述的一种增程新能源汽车热管理系统。
PCT/CN2023/138433 2023-01-18 2023-12-13 一种增程新能源汽车热管理系统及汽车 WO2024152807A1 (zh)

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