WO2024051040A1 - Système de gestion thermique intégré et véhicule électrique - Google Patents

Système de gestion thermique intégré et véhicule électrique Download PDF

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Publication number
WO2024051040A1
WO2024051040A1 PCT/CN2022/142426 CN2022142426W WO2024051040A1 WO 2024051040 A1 WO2024051040 A1 WO 2024051040A1 CN 2022142426 W CN2022142426 W CN 2022142426W WO 2024051040 A1 WO2024051040 A1 WO 2024051040A1
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WIPO (PCT)
Prior art keywords
hole
circulation loop
heat exchange
water pump
battery
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PCT/CN2022/142426
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English (en)
Chinese (zh)
Inventor
张事业
Original Assignee
浙江凌昇动力科技有限公司
浙江零跑科技股份有限公司
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Publication of WO2024051040A1 publication Critical patent/WO2024051040A1/fr

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    • 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
    • B60H1/04—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant
    • 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
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/545—Temperature
    • 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

  • This application relates to the technical field of new energy vehicles, and in particular to a thermal management integrated system and electric vehicles.
  • thermal management systems are usually used to distribute and utilize the heat of electric vehicles.
  • the existing thermal management system is not highly integrated, and multiple heat exchange circuits operate independently of each other. This results in a waste of heat to a certain extent and also reduces the thermal management efficiency of the thermal management system.
  • a thermal management integrated system and an electric vehicle are provided to solve the problems of low integration and low thermal management efficiency of existing thermal management systems.
  • the thermal management integrated system includes a control valve, a cabin heat exchange component, a battery heat exchange component and a motor heat exchange component.
  • the cabin heat exchange component can form a first circulation loop through the connected control valve, and the coolant can be circulated in the first The circulation loop circulates to heat the passenger compartment of the electric vehicle.
  • the battery heat exchange component can form a second circulation loop through the connected control valve.
  • the coolant can circulate in the second circulation loop to heat the battery module of the electric vehicle.
  • the motor heat exchange component can form a third circulation loop through the connected control valve, and the coolant can circulate in the third circulation loop to heat or dissipate heat of the motor module of the electric vehicle.
  • the first circulation loop, the second circulation loop and the third circulation loop can realize any two or three of the first circulation loop, the second circulation loop and the third circulation loop to be connected to each other through the control valve.
  • the cabin heat exchange assembly includes a warm air water pump, an electric heater and a warm air core.
  • the warm air water pump and the warm air core are connected to a control valve respectively.
  • the control valve, warm air water pump, electric heater and The warm air cores can be connected in sequence to form a first circulation loop.
  • the heater water pump is used to drive the coolant flow
  • the electric heater is used to heat the coolant.
  • the coolant can transfer heat to the passenger compartment through the heater core.
  • the battery heat exchange assembly includes a battery water pump, a first heat exchanger and a battery heat exchange plate.
  • the battery water pump and the battery heat exchange plate are respectively connected to a control valve.
  • the control valve, battery water pump, first heat exchanger and The battery heat exchange plates can be connected in sequence to form a second circulation loop.
  • the battery water pump is used to drive the coolant to flow
  • the first heat exchanger is used to cool the coolant.
  • the coolant can dissipate heat to the battery module through the battery heat exchange plate.
  • the electric heater can be connected to the battery heat exchange plate, and the warm air water pump, the electric heater and the battery heat exchange plate can be connected in sequence through the control valve to allow the first circulation loop and the second circulation loop to communicate with each other.
  • the motor heat exchange assembly includes a motor water pump, a second heat exchanger and a motor heat exchange plate.
  • the motor water pump and the motor heat exchange plate are respectively connected to the control valve.
  • the control valve, the motor water pump, the second heat exchanger and The motor heat exchange plates can be connected in sequence to form a third circulation loop.
  • the motor water pump is used to drive the coolant flow
  • the second heat exchanger is used to cool the coolant.
  • the coolant can dissipate heat to the motor module through the motor heat exchange plate.
  • the motor heat exchange assembly further includes a third heat exchanger, and the second heat exchanger is connected to the motor heat exchange plate through the third heat exchanger.
  • the second heat exchanger opens and absorbs the heat in the coolant
  • the third heat exchanger opens and cools the refrigerant flowing through the second heat exchanger;
  • the second heat exchanger and the third heat exchanger can absorb heat in the air; the second preset temperature value is less than the first preset temperature value.
  • the control valve is provided with multiple communication holes, and the cabin heat exchange component, the battery heat exchange component and the motor heat exchange component can communicate with different communication holes of the control valve respectively.
  • the communication holes include a first through hole, a second through hole, a third through hole, a fourth through hole, a fifth through hole, a sixth through hole and a seventh through hole.
  • the battery heat exchange plate communicates with the first through hole, and the battery water pump Connected to the second through hole, the motor water pump is connected to the third through hole, the motor heat exchange plate is connected to the fourth through hole, the second heat exchanger is connected to the fifth through hole, the heater core is connected to the sixth through hole, and the heater water pump is connected to the third through hole. Seven through holes.
  • the control valve includes a variety of connection modes, some of which correspond to different usage scenarios of the connected thermal management integrated system.
  • the sixth through hole is connected to the seventh through hole
  • the first through hole is connected to the second through hole
  • the fifth through hole is connected to the third through hole
  • the fourth through hole is closed.
  • the seventh through hole connects the heater water pump, the electric heater, the heater core and the sixth through hole in sequence to form a first circulation loop.
  • the second through hole connects the battery water pump, the first heat exchanger, the battery heat exchange plate and the first through hole in sequence to form a second circulation loop.
  • the fifth through hole sequentially communicates with the second heat exchanger, the third heat exchanger, the motor heat exchange plate, the motor water pump and the third through hole to form a third circulation loop.
  • the sixth through hole, the seventh through hole, the first through hole and the second through hole are connected to each other, the fifth through hole is connected to the third through hole, and the fourth through hole is closed.
  • the seventh through hole is connected to the warm air water pump, the electric heater, the warm air core and the sixth through hole in sequence to form a first circulation loop.
  • the second through hole is connected to the battery water pump, the first heat exchanger, the battery heat exchange plate and the sixth through hole in sequence.
  • the first through hole is used to form a second circulation loop
  • the seventh through hole is sequentially connected to the heating air water pump, the electric heater, the battery heat exchange plate and the first through hole to allow the first circulation loop and the second circulation loop to communicate with each other.
  • the fifth through hole sequentially communicates with the second heat exchanger, the third heat exchanger, the motor heat exchange plate, the motor water pump and the third through hole to form a third circulation loop.
  • the sixth through hole, the seventh through hole, the first through hole and the fourth through hole are connected to each other, the second through hole is connected to the third through hole, and the fifth through hole is closed.
  • the seventh through hole is connected to the warm air water pump, the electric heater, the warm air core and the sixth through hole in sequence to form a first circulation loop.
  • the seventh through hole is connected to the warm air water pump, the electric heater, the battery heat exchange plate and the third through hole in sequence.
  • a through hole allows the first circulation loop and the second circulation loop to communicate with each other, and the fourth through hole is sequentially connected to the motor heat exchange plate, the motor water pump, the third through hole, the second through hole, the battery water pump, the first heat exchanger, The battery heat exchange plate and the first through hole allow the second circulation loop and the third circulation loop to communicate with each other.
  • the sixth through hole, the seventh through hole, the first through hole and the second through hole are connected to each other, the fourth through hole is connected to the third through hole, and the fifth through hole is closed.
  • the seventh through hole is connected to the warm air water pump, the electric heater, the warm air core and the sixth through hole in sequence to form a first circulation loop.
  • the second through hole is connected to the battery water pump, the first heat exchanger, the battery heat exchange plate and the sixth through hole in sequence.
  • the first through hole is used to form a second circulation loop, and the seventh through hole is sequentially connected to the heating air water pump, the electric heater, the battery heat exchange plate and the first through hole to allow the first circulation loop and the second circulation loop to communicate with each other.
  • the fourth through hole is connected to the motor heat exchange plate, the motor water pump and the third through hole in sequence.
  • the sixth through hole is connected to the seventh through hole
  • the first through hole is connected to the fourth through hole
  • the second through hole is connected to the third through hole
  • the fifth through hole is closed.
  • the seventh through hole is connected to the heater water pump, the electric heater, the heater core and the sixth through hole in sequence to form a first circulation loop.
  • the fourth through hole is connected to the motor heat exchange plate, the motor water pump, the third through hole and the sixth through hole in sequence.
  • the second through hole, the battery water pump, the first heat exchanger, the battery heat exchange plate and the first through hole enable the second circulation loop and the third circulation loop to communicate with each other.
  • the seventh through hole, the first through hole and the second through hole are connected to each other, the fourth through hole is connected to the third through hole, the fifth through hole is closed, and the sixth through hole is closed.
  • the second through hole connects the battery water pump, the first heat exchanger, the battery heat exchange plate and the first through hole in sequence to form a second circulation loop.
  • the seventh through hole connects the heater water pump, the electric heater, the battery heat exchange plate and the first through hole in sequence.
  • the first through hole and the fourth through hole are connected to the motor heat exchange plate, the motor water pump and the third through hole in sequence.
  • the thermal management integrated system further includes a refrigerant component.
  • the refrigerant component can be connected to the second heat exchanger and the first heat exchanger respectively.
  • the coolant and the refrigerant can be in the second heat exchanger or in the first heat exchanger. Heat exchange takes place within the heater.
  • the refrigerant component includes a first electronic expansion valve, a second electronic expansion valve, a third electronic expansion valve, a stop valve, an evaporator, a gas-liquid separator, a compressor and an indoor condenser.
  • the compressor is connected to the indoor condenser through the air outlet in sequence.
  • the first electronic expansion valve and the second heat exchanger can sequentially communicate with the gas-liquid separator and the air inlet end of the compressor through the first branch formed by the stop valve, or the second heat exchanger can pass through
  • the second branch formed by the second electronic expansion valve and the evaporator sequentially connects the gas-liquid separator and the air inlet end of the compressor, or the second heat exchanger can be formed by the third electronic expansion valve and the first heat exchanger.
  • the third branch connects the gas-liquid separator and the air inlet end of the compressor in turn.
  • the first electronic expansion valve can adjust the flow rate of the refrigerant between the indoor condenser and the second heat exchanger
  • the stop valve can open or close the first branch
  • the second electronic expansion valve can adjust the flow rate of the refrigerant in the second branch
  • the third electronic expansion valve can adjust the flow rate of the refrigerant in the third branch.
  • the control valve includes a valve body and a valve core.
  • the valve body is provided with a valve cavity.
  • One side of the valve body is provided with a plurality of communication holes that penetrate the side wall of the valve body and communicate with the valve cavity.
  • the valve core is rotatable.
  • the valve core Located in the valve cavity, the valve core includes a main body and a plurality of partitions located around the main body. One end of the partitions is connected to the main body and the other end extends away from the main body. The multiple partitions are surrounded by multiple partitions.
  • the multiple communication holes can communicate with each other through one or more connecting grooves, and the main body is provided with a plurality of non-adjacent connecting grooves.
  • the through-channel is such that when the valve core rotates at different preset angles relative to the valve body, multiple non-adjacent communication holes can be connected through the corresponding connecting grooves and the through-channel.
  • This application also provides an electric vehicle, which includes the thermal management integrated system described in any of the above embodiments.
  • Figure 1 is a system connection diagram of a thermal management integrated system according to an embodiment of this application.
  • Figure 2 is a schematic structural diagram of a control valve according to an embodiment of the present application.
  • Figure 3 is an exploded view of a control valve according to an embodiment of the present application.
  • Figure 4 is an expanded view of the outer side of the valve core according to one embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a valve core according to an embodiment provided by this application.
  • Figure 6 is a second structural schematic diagram of a valve core according to an embodiment provided by this application.
  • Figure 7 is a structural schematic diagram three of a valve core according to an embodiment provided by this application.
  • Figure 8 is a schematic structural diagram 4 of a valve core according to an embodiment provided by this application.
  • Figure 9 is a cross-sectional view of the valve core at the first section of an embodiment provided by this application.
  • Figure 10 is a schematic diagram of an electric vehicle in an embodiment provided by this application.
  • Control valve 20. Cabin heat exchange component; 21. Heater water pump; 22. Electric heater; 23. Heater core; 24. Heater kettle; 30. Battery heat exchange component; 31 , battery water pump; 32. first heat exchanger; 33. battery heat exchange plate; 34. battery kettle; 40. motor heat exchange component; 41. motor water pump; 42. second heat exchanger; 43. motor heat exchange plate ; 44. Motor kettle; 45. Third heat exchanger; 46. Electronic fan; 50. Refrigerant component; 51. First electronic expansion valve; 52. Second electronic expansion valve; 53. Third electronic expansion valve; 54.
  • Partition plate; 330 connecting trough; 331, the first connecting trough; 332, the second connecting trough; 333, the third connecting trough; 334, the fourth connecting trough; 335, the fifth connecting trough; 336, the sixth connecting trough; 337, the seventh connecting trough 338.
  • the ninth trough; 3310. The tenth trough; 3311.
  • the eleventh trough; 3312. The twelfth trough; 3313.
  • Sealing ring 1. Electric vehicle; 2. Thermal management integration System; 3. Crew cabin
  • first and second are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as “first” and “second” may explicitly or implicitly include at least one of these features.
  • “plurality” means at least two, such as two, three, etc., unless otherwise expressly and specifically limited.
  • connection In this application, unless otherwise clearly stated and limited, the terms “installation”, “connection”, “connection”, “fixing” and other terms should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. , or integrated into one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two elements or an interactive relationship between two elements, unless otherwise specified restrictions. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.
  • a first feature being “on” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. touch.
  • the terms “above”, “above” and “above” the first feature is above the second feature may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is higher in level than the second feature.
  • "Below”, “below” and “beneath” the first feature to the second feature may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature has a smaller horizontal height than the second feature.
  • thermal management systems are usually used to distribute and utilize the heat of electric vehicles.
  • the existing thermal management systems are not highly integrated and multiple heat exchange circuits operate independently of each other. Therefore, to a certain extent, This causes a waste of heat and reduces the thermal management efficiency of the thermal management system.
  • the thermal management integrated system includes a control valve 10, a cabin heat exchange component 20, a battery heat exchange component 30 and a motor heat exchange component 40.
  • the cabin heat exchange component 20 can form a first circulation loop by connecting to the control valve 10, and the coolant can be The first circulation loop circulates to heat the passenger compartment.
  • the battery heat exchange assembly 30 can form a second circulation loop by connecting the control valve 10 .
  • the coolant can circulate in the second circulation loop to heat the battery module.
  • the motor heat exchange assembly 40 can form a third circulation loop through the communication control valve 10, and the coolant can circulate in the third circulation loop to heat or dissipate heat of the motor module. Furthermore, any two or three of the first circulation loop, the second circulation loop and the third circulation loop can be connected to each other through the control valve 10 .
  • heat transfer includes two situations: heating and heat dissipation.
  • cooling includes, but is not limited to, water, alcohol-based coolant, glycerin-based coolant, ethylene glycol-based coolant, and propylene glycol-based coolant.
  • the cabin heat exchange assembly 20 can form a first circulation loop through the communication control valve 10
  • the battery heat exchange assembly 30 can form a second circulation loop through the communication control valve 10
  • the motor heat exchange assembly 40 can form a third circulation loop through the communication control valve 10 .
  • the circulation loop that is, the cabin heat exchange component 20, the battery heat exchange component 30, and the motor heat exchange component 40 are all connected to the control valve 10. Therefore, by setting the control valve 10, the integration of the thermal management integrated system is greatly improved.
  • the first circulation loop, the second circulation loop and the third circulation loop can realize any two or three of the first circulation loop, the second circulation loop and the third circulation loop to be connected to each other through the control valve 10, That is, heat can be transferred to each other between the first circulation loop, the second circulation loop and the third circulation loop, so that the heat can be redistributed among the first circulation loop, the second circulation loop and the third circulation loop, This avoids waste of heat caused by heat being transferred only within a single circulation loop (the first circulation loop, the second circulation loop or the third circulation loop). Therefore, such an arrangement greatly improves the thermal management efficiency of the thermal management integrated system.
  • the cabin heat exchange assembly 20 includes a warm air water pump 21, an electric heater 22 and a warm air core 23.
  • the warm air water pump 21 and the warm air core 23 are connected to the control valve 10 respectively.
  • the control valve 10 the warm air water pump 21, the electric heater 22 and the warm air core 23 can be connected in sequence to form a first circulation loop.
  • the heater water pump 21 is used to drive the coolant to flow
  • the electric heater 22 is used to heat the coolant.
  • the coolant can transfer heat to the passenger compartment through the heater core 23 .
  • the cabin heat exchange assembly 20 also includes a warm air kettle 24.
  • the warm air kettle 24 is connected to the warm air water pump 21 and the control valve 10 respectively, and the warm air kettle 24 is used for Store coolant and drain the coolant.
  • the warm air water pump 21 is connected to the control valve 10
  • the warm air kettle 24 is connected to the warm air water pump 21 and the control valve 10 respectively, therefore, the warm air kettle 24, the warm air water pump 21 and A three-way flow path is formed between the control valves 10, so that the liquid coolant can directly flow between the heater water pump 21 and the control valve 10, and the heater kettle 24 can replenish the coolant to the first circulation loop, and the first The gas in the circulation loop can be discharged through the heater kettle 24.
  • the warm air kettle 24 can also be connected to the warm air water pump 21 and the electric heater 22 respectively, or the warm air kettle 24 can also be connected to the electric heater 22 and the warm air core 23 respectively. Alternatively, the warm air kettle 24 can also communicate with the warm air core 23 and the control valve 10 respectively.
  • the battery heat exchange assembly 30 includes a battery water pump 31, a first heat exchanger 32 and a battery heat exchange plate 33.
  • the battery water pump 31 and the battery heat exchange plate 33 are respectively connected to the control valve 10.
  • the control valve 10, the battery water pump 31, the first heat exchanger 32 and the battery heat exchange plate 33 can be connected in sequence to form a second circulation loop.
  • the battery water pump 31 is used to drive the cooling liquid to flow, and the first heat exchanger 32 is used to cool the cooling liquid.
  • the cooling liquid can dissipate heat of the battery module through the battery heat exchange plate 33 .
  • the battery heat exchange assembly 30 also includes a battery kettle 34.
  • the battery kettle 34 is connected to the battery water pump 31 and the control valve 10 respectively, and the battery kettle 34 is used to store and discharge cooling liquid. Gas in the coolant.
  • the battery water pump 31 is connected to the control valve 10 , and because the battery kettle 34 is connected to the battery water pump 31 and the control valve 10 respectively, there is a gap between the battery kettle 34 , the battery water pump 31 and the control valve 10 A three-way flow path is formed, so that the liquid coolant can directly flow between the battery water pump 31 and the control valve 10, the battery kettle 34 can replenish the coolant to the second circulation loop, and the gas in the second circulation loop can pass through The battery kettle 34 is discharged.
  • the battery kettle 34 can also be connected to the battery water pump 31 and the first heat exchanger 32 respectively, or the battery kettle 34 can also be connected to the first heat exchanger 32 and the battery heat exchange plate 33 respectively. , or the battery kettle 34 can also be connected to the battery heat exchange plate 33 and the control valve 10 respectively.
  • the electric heater 22 can be connected to the battery heat exchange plate 33 , and the warm air water pump 21 , the electric heater 22 and the battery heat exchange plate 33 can be connected in sequence through the control valve 10 to make the third The first circulation loop and the second circulation loop are interconnected.
  • the heat generated by the electric heater 22 can be transferred to the battery heat exchange plate 33 to heat the battery module.
  • the motor heat exchange assembly 40 includes a motor water pump 41, a second heat exchanger 42 and a motor heat exchange plate 43.
  • the motor water pump 41 and the motor heat exchange plate 43 are respectively connected to the control valve 10.
  • the control valve 10, the motor water pump 41, the second heat exchanger 42 and the motor heat exchange plate 43 can be connected in sequence to form a third circulation loop.
  • the motor water pump 41 is used to drive the cooling liquid to flow
  • the second heat exchanger 42 is used to cool the cooling liquid.
  • the cooling liquid can dissipate heat of the motor module through the motor heat exchange plate 43 .
  • the motor heat exchange assembly 40 also includes a motor kettle 44.
  • the motor kettle 44 is connected to the motor water pump 41 and the motor heat exchange plate 43 respectively, and the motor kettle 44 is used to store cooling liquid. And remove the gas from the coolant.
  • the motor kettle 44 can also be connected to the motor water pump 41 and the control valve 10 respectively, or the motor kettle 44 can also be connected to the control valve 10 and the second heat exchanger 42 respectively, or the motor kettle 44 can be connected to the control valve 10 and the second heat exchanger 42 respectively. 44 can also communicate with the second heat exchanger 42 and the motor heat exchange plate 43 respectively.
  • the motor heat exchange assembly 40 further includes a third heat exchanger 45 , and the second heat exchanger 42 is connected to the motor heat exchange plate 43 through the third heat exchanger 45 .
  • the second heat exchanger 42 is turned on and absorbs the heat in the coolant
  • the third heat exchanger 45 is turned on and conducts cooling on the refrigerant flowing through the second heat exchanger 42 Cooling;
  • the second heat exchanger 42 and the third heat exchanger 45 can absorb heat in the air; the second preset temperature value is less than the first preset temperature value.
  • the motor heat exchange assembly 40 also includes an electronic fan 46.
  • the electronic fan 46 is provided on one side of the third heat exchanger 45.
  • the electronic fan 46 is used to accelerate the third heat exchanger 45.
  • the flow of air around the heat exchanger 45 improves the heat dissipation effect of the third heat exchanger 45 .
  • the warm air kettle 24, the battery kettle 34 and the motor kettle 44 are an integrally formed structure.
  • control valve 10 is provided with a plurality of communication holes 120 , and the cabin heat exchange assembly 20 , the battery heat exchange assembly 30 and the motor heat exchange assembly 40 can respectively communicate with different connections of the control valve 10 Hole 120.
  • the communication hole 120 includes a first through hole 121, a second through hole 122, a third through hole 123, a fourth through hole 124, a fifth through hole 125, a sixth through hole 126 and a third through hole.
  • Seven through holes 127 the battery heat exchange plate 33 is connected to the first through hole 121, the battery water pump 31 is connected to the second through hole 122, the motor water pump 41 is connected to the third through hole 123, the motor heat exchange plate 43 is connected to the fourth through hole 124, and The two heat exchangers 42 are connected to the fifth through hole 125 , the warm air core 23 is connected to the sixth through hole 126 , and the warm air water pump 21 is connected to the seventh through hole 127 .
  • the control valve 10 includes multiple communication modes, where some of the communication modes correspond to different usage scenarios of the connected thermal management integrated system.
  • the sixth through hole 126 is connected to the seventh through hole 127
  • the first through hole 121 is connected to the second through hole 122
  • the fifth through hole 125 is connected to the third through hole 123
  • the fourth through hole 124 is closed.
  • the seventh through hole 127 sequentially communicates with the heater water pump 21 , the electric heater 22 , the heater core 23 and the sixth through hole 126 to form a first circulation loop. In this way, the passenger compartment can be cleaned through the first circulation loop. heating.
  • the second through hole 122 sequentially communicates with the battery water pump 31 , the first heat exchanger 32 , the battery heat exchange plate 33 and the first through hole 121 to form a second circulation loop.
  • the battery module can be dissipated through the second circulation loop.
  • the fifth through hole 125 sequentially communicates with the second heat exchanger 42, the third heat exchanger 45, the motor heat exchange plate 43, the motor water pump 41 and the third through hole 123 to form a third circulation loop.
  • the third circulation loop can be The circuit heats or dissipates heat to the motor module.
  • the second heat exchanger 42 is opened and absorbs the heat in the coolant
  • the third heat exchanger The heat exchanger 45 is opened and cools the refrigerant flowing through the second heat exchanger 42 . That is, the motor module is dissipated through the third circulation loop.
  • the second heat exchanger 42 and the third heat exchanger 45 can absorb heat in the air.
  • the sixth through hole 126, the seventh through hole 127, the first through hole 121 and the second through hole 122 are connected to each other, the fifth through hole 125 is connected to the third through hole 123, and the fourth through hole 125 is connected to the third through hole 123.
  • Hole 124 is closed.
  • the seventh through hole 127 is connected to the warm air water pump 21, the electric heater 22, the warm air core 23 and the sixth through hole 126 in sequence to form a first circulation loop.
  • the second through hole 122 is connected to the battery water pump 31 and the sixth through hole 126 in sequence.
  • a heat exchanger 32, the battery heat exchange plate 33 and the first through hole 121 form a second circulation loop
  • the seventh through hole 127 sequentially connects the heater water pump 21, the electric heater 22, the battery heat exchange plate 33 and the first through hole 121.
  • the through hole 121 allows the first circulation loop and the second circulation loop to communicate with each other, so that the electric heater 22 can heat the passenger compartment and the battery module at the same time.
  • the fifth through hole 125 sequentially communicates with the second heat exchanger 42, the third heat exchanger 45, the motor heat exchange plate 43, the motor water pump 41 and the third through hole 123 to form a third circulation loop. In this way, the third circulation loop can be The circuit dissipates heat from the motor module.
  • the sixth through hole 126, the seventh through hole 127, the first through hole 121 and the fourth through hole 124 are connected to each other, the second through hole 122 is connected to the third through hole 123, and the fifth through hole 122 is connected to the third through hole 123.
  • Hole 125 is closed.
  • the seventh through hole 127 is connected to the warm air water pump 21, the electric heater 22, the warm air core 23 and the sixth through hole 126 in sequence to form a first circulation loop.
  • the seventh through hole 127 is connected to the warm air water pump 21,
  • the electric heater 22, the battery heat exchange plate 33 and the first through hole 121 enable the first circulation loop and the second circulation loop to communicate with each other
  • the fourth through hole 124 is connected to the motor heat exchange plate 43, the motor water pump 41, and the third through hole in sequence.
  • the hole 123, the second through hole 122, the battery water pump 31, the first heat exchanger 32, the battery heat exchange plate 33 and the first through hole 121 enable the second circulation loop and the third circulation loop to communicate with each other.
  • the first circulation loop, the second circulation loop and the third circulation loop can all be connected, so that the heat generated by the battery module and the motor module can be circulated in the first circulation loop, the second circulation loop and the third circulation loop.
  • Mutual transmission within the circulation loop realizes waste heat recovery of the entire thermal management integrated system.
  • the sixth through hole 126, the seventh through hole 127, the first through hole 121 and the second through hole 122 are connected to each other, the fourth through hole 124 is connected to the third through hole 123, and the fifth through hole 124 is connected to the third through hole 123.
  • Hole 125 is closed.
  • the seventh through hole 127 is connected to the warm air water pump 21, the electric heater 22, the warm air core 23 and the sixth through hole 126 in sequence to form a first circulation loop.
  • the second through hole 122 is connected to the battery water pump 31 and the sixth through hole 126 in sequence.
  • a heat exchanger 32, the battery heat exchange plate 33 and the first through hole 121 form a second circulation loop, and the seventh through hole 127 sequentially connects the heater water pump 21, the electric heater 22, the battery heat exchange plate 33 and the first through hole 121.
  • the through hole 121 allows the first circulation loop and the second circulation loop to communicate with each other, so that the electric heater 22 can heat the passenger compartment and the battery module at the same time.
  • the fourth through hole 124 is connected to the motor heat exchange plate 43, the motor water pump 41 and the third through hole 123 in sequence, so that the motor module can be in the heat storage mode.
  • the heating of the passenger compartment and the battery module can be heated synchronously, or the heat generated by the battery module can be used to heat the passenger compartment to realize waste heat recovery of the battery module.
  • the motor module can be in a heat storage mode to prevent the temperature of the motor module from being too low.
  • the sixth through hole 126 is connected to the seventh through hole 127
  • the first through hole 121 is connected to the fourth through hole 124
  • the second through hole 122 is connected to the third through hole 123
  • the fifth through hole 125 closure is connected to the seventh through hole 127
  • the seventh through hole 127 is connected to the heater water pump 21 , the electric heater 22 , the heater core 23 and the sixth through hole 126 in sequence to form a first circulation loop
  • the fourth through hole 124 is connected to the motor heat exchange plate 43 in sequence.
  • motor water pump 41, third through hole 123, second through hole 122, battery water pump 31, first heat exchanger 32, battery heat exchange plate 33 and first through hole 121 to make the second circulation loop and the third circulation loop Interoperability.
  • the passenger compartment can be heated independently, and the second circulation loop and the third circulation loop can be interconnected, so that the heat generated by the battery module and the motor module can be heated in the second circulation loop and the third circulation loop. Mutual transmission to facilitate waste heat recovery of the battery module and motor module.
  • the seventh through hole 127, the first through hole 121 and the second through hole 122 are connected to each other, the fourth through hole 124 is connected to the third through hole 123, the fifth through hole 125 is closed, and the sixth through hole 125 is closed. Via hole 126 is closed.
  • the second through hole 122 is connected to the battery water pump 31, the first heat exchanger 32, the battery heat exchange plate 33 and the first through hole 121 in sequence to form a second circulation loop
  • the seventh through hole 127 is connected to the heater water pump 21 in sequence.
  • the fourth through hole 124 is connected to the motor heat exchange plate 43, the motor water pump 41 and the third through hole in sequence.
  • the through hole 123 in this way, allows the motor module to be in a thermal storage mode.
  • the passenger compartment is no longer heated, and the electric heater 22 can be used to centrally heat the battery module.
  • the motor module can be in a heat storage mode to prevent the temperature of the motor module from being too low.
  • the thermal management integrated system also includes a refrigerant assembly 50.
  • the refrigerant assembly 50 can be connected to the second heat exchanger 42 and the first heat exchanger 32 respectively.
  • the cooling liquid and the refrigerant can be in the second heat exchanger. Heat exchange takes place in the heat exchanger 42 or in the first heat exchanger 32 .
  • the refrigerant assembly 50 includes a first electronic expansion valve 51, a second electronic expansion valve 52, a third electronic expansion valve 53, a stop valve 54, an evaporator 55, a gas-liquid Separator 56, compressor 57 and indoor condenser 58.
  • the compressor 57 is connected to the indoor condenser 58, the first electronic expansion valve 51 and the second heat exchanger 42 in sequence through the air outlet.
  • the second heat exchanger 42 can pass through the stop valve.
  • the first branch formed by 54 connects the gas-liquid separator 56 and the air inlet end of the compressor 57 in sequence, or the second heat exchanger 42 can pass through the second branch formed by the second electronic expansion valve 52 and the evaporator 55 in sequence.
  • the gas-liquid separator 56 and the air inlet end of the compressor 57 , or the second heat exchanger 42 can communicate with the gas-liquid separator in sequence through the third branch formed by the third electronic expansion valve 53 and the first heat exchanger 32 56 and the air inlet end of compressor 57.
  • the first electronic expansion valve 51 can adjust the flow rate of the refrigerant between the indoor condenser 58 and the second heat exchanger 42
  • the stop valve 54 can open or close the first branch
  • the second electronic expansion valve 52 can adjust the second branch.
  • the third electronic expansion valve 53 can adjust the run-off amount of refrigerant in the third branch path.
  • first electronic expansion valve 51 , the second electronic expansion valve 52 and the third electronic expansion valve 53 can all adjust the refrigerant flow rate by adjusting their own openings.
  • first electronic expansion valve 51 , The second electronic expansion valve 52 and the third electronic expansion valve 53 are divided into three states: full-open (opening 100%), throttling (opening greater than 0 and less than 100%) and closed according to their opening degrees.
  • the stop valve 54 is in a closed state, the first electronic expansion valve 51 is in a full-pass state, the second electronic expansion valve 52 is in a throttling state, and the third electronic expansion valve 52 is in a throttling state.
  • Valve 53 is in throttling state.
  • the stop valve 54 When the passenger compartment needs to be dehumidified, the stop valve 54 is in a closed state, the first electronic expansion valve 51 is in a throttling state, the second electronic expansion valve 52 is in a throttling state, and the third electronic expansion valve 53 is in a closed state.
  • the stop valve 54 When the passenger compartment needs to be heated (heating), the stop valve 54 is in an open state, the first electronic expansion valve 51 is in a throttling state, the second electronic expansion valve 52 is in a closed state, and the third electronic expansion valve 53 is in a closed state.
  • the stop valve 54 When the battery module and motor module require waste heat recovery, the stop valve 54 is in a closed state, the first electronic expansion valve 51 is in a closed state, the second electronic expansion valve 52 is in a closed state, and the third electronic expansion valve 53 is in a throttling state.
  • the stop valve 54 When the passenger compartment needs to be heated (heating), the stop valve 54 is in a closed state, the first electronic expansion valve 51 is in a closed state, the second electronic expansion valve 52 is in a closed state, and the third electronic expansion valve 53 is in a closed state. That is to say, at this time, the entire refrigerant assembly 50 is in a closed state, and the passenger compartment is heated by the electric heater 22 .
  • the heat in the coolant when the heat in the coolant is relatively small and the heat in the coolant cannot be directly used to heat the passenger compartment, the heat in the coolant can be passed through the first heat exchanger 32 or the second heat exchanger.
  • the heat exchanger 42 transfers the heat to the refrigerant, so that the refrigerant absorbs heat. Then, the refrigerant performs work through the compressor 57 and finally releases heat through the indoor condenser 58 .
  • the heat released by the refrigerant through the indoor condenser 58 includes both the heat generated by the compressor and the heat transferred from the cooling liquid through the first heat exchanger 32 or the second heat exchanger 42, thereby effectively improving the efficiency of the cooling medium. Utilization of waste heat from coolant recovery.
  • the control valve 10 includes a valve body 100 and a valve core 300 .
  • the valve body 100 is provided with a valve cavity 110
  • one side of the valve body 100 is provided with a plurality of penetrating valve bodies 100 .
  • the side wall communicates with the communication hole 120 of the valve chamber 110.
  • the valve core 300 is rotatably disposed in the valve chamber 110.
  • the valve core 300 includes a main body 310 and a plurality of partitions 320 disposed around the main body 310.
  • the partitions 320 One end is connected to the main body part 310, and the other end extends in a direction away from the main body part 310, and a plurality of partitions 320 are surrounded to form a plurality of connection grooves 330.
  • a plurality of The communication holes 120 can communicate with each other through one or more connection grooves 330, and the main body 310 is provided with a through channel 311 that can communicate with a plurality of non-adjacent connection grooves 330, so that when the valve core 300 rotates relative to the valve body 100, the valve core 300 rotates with respect to the valve body 100.
  • multiple non-adjacent communication holes 120 can be connected through the corresponding connection grooves 330 and the through-channels 311 .
  • the length of the connecting groove is generally enlarged so that the two non-adjacent communication holes are connected.
  • such an arrangement increases the length of the single connecting groove on the valve core. The space occupied thereby reduces the number of connection slots that can be provided on the valve core, thereby reducing the communication mode of the control valve.
  • the control valve provided in this application not only enables two non-adjacent communication holes 120 to be connected through the corresponding connecting groove 330 and the through channel 311 by arranging the through channel 311 on the main body 310, but also, with such arrangement, no need Expanding the length of the original connecting groove 330 will not occupy the layout space of the connecting groove 330 on the peripheral side of the main body 310. That is, such an arrangement will not reduce the number of original communication modes of the control valve.
  • the control valve includes the following eight communication modes.
  • Mode 8 When the valve core 300 is in the first preset position, the sixth through hole 126 is connected to the seventh through hole 127 through the connecting groove 330, and the seventh through hole 127 is connected to the first through hole 121 through the connecting groove 330.
  • the hole 126 is connected to the fourth through hole 124 through the connecting groove 330
  • the sixth through hole 126 is connected to the second through hole 122 through the connecting groove 330
  • the second through hole 122 is connected to the fifth through hole 125 through the connecting groove 330
  • the fifth through hole 126 is connected to the fourth through hole 124 through the connecting groove 330.
  • 125 communicates with the third through hole 123 through the connecting groove 330 and the through channel 311.
  • Mode 1 When the valve core 300 rotates at a first preset angle relative to the first preset position, the first through hole 121 is connected to the second through hole 122 through the connecting groove 330, and the sixth through hole 126 is connected to the seventh through hole 126 through the connecting groove 330.
  • the through hole 127 and the third through hole 123 are connected to the fifth through hole 125 through the connecting groove 330, and the fourth through hole 124 is in a closed state.
  • Mode 2 When the valve core 300 rotates within the second preset angle range relative to the first preset position, the first through hole 121 is connected to the second through hole 122 and the seventh through hole 127 through different connection grooves 330, and the sixth The through hole 126 communicates with the seventh through hole 127 through the connecting groove 330, the third through hole 123 communicates with the fifth through hole 125 through the connecting groove 330, and the fourth through hole 124 is in a closed state.
  • Mode 3 When the valve core 300 rotates at a third preset angle relative to the first preset position, the first through hole 121 communicates with the fifth through hole 125 through the connecting groove 330 and the through channel 311, and the sixth through hole 126 passes through the connecting groove. 330 communicates with the seventh through hole 127, the third through hole 123 communicates with the second through hole 122 through the connecting groove 330, and the fourth through hole 124 is in a closed state.
  • Mode 4 When the valve core 300 rotates within the fourth preset angle range relative to the first preset position, the first through hole 121 communicates with the fourth through hole 124 and the seventh through hole 127 respectively through different connection grooves 330.
  • the sixth The through hole 126 communicates with the seventh through hole 127 through the connecting groove 330, the third through hole 123 communicates with the second through hole 122 through the connecting groove 330, and the fifth through hole 125 is in a closed state.
  • Mode 5 When the valve core 300 rotates within the fifth preset angle range relative to the first preset position, the first through hole 121 is connected to the second through hole 122 and the seventh through hole 127 respectively through different connection grooves 330.
  • the sixth The through hole 126 communicates with the seventh through hole 127 through the connecting groove 330, the third through hole 123 communicates with the fourth through hole 124 through the connecting groove 330, and the fifth through hole 125 is in a closed state.
  • Mode 6 When the valve core 300 rotates at a sixth preset angle relative to the first preset position, the first through hole 121 is connected to the fourth through hole 124 through the connecting groove 330, and the sixth through hole 126 is connected to the seventh through hole 126 through the connecting groove 330.
  • the through hole 127 and the third through hole 123 are connected to the second through hole 122 through the connecting groove 330, and the fifth through hole 125 is in a closed state.
  • Mode 7 When the valve core 300 rotates at a seventh preset angle relative to the first preset position, the first through hole 121 communicates with the second through hole 122 and the seventh through hole 127 through different connecting grooves 330, and the third through hole The hole 123 communicates with the fourth through hole 124 through the connecting groove 330, the fifth through hole 125 is in a closed state, and the sixth through hole 126 is in a closed state.
  • preset angle refers to a fixed value angle
  • preset angle range refers to an angle range.
  • the first preset angle is (134 ⁇ 6)°
  • the second preset angle range is 140°-158°
  • the third preset angle is (98 ⁇ 6)°
  • the fourth preset angle is (98 ⁇ 6)°.
  • the preset angle range is 68°-86°
  • the fifth preset angle range is 164°-182°
  • the sixth preset angle is (62 ⁇ 6)°
  • the seventh preset angle is (188 ⁇ 6)°.
  • an assembly boss 200 is provided on one side of the valve body 100 , a mounting plane 210 is provided on an end of the assembly boss 200 away from the valve body 100 , and a communication hole 120 is provided on the installation surface.
  • the plane 210 extends toward the valve chamber 110 and communicates with the valve chamber 110 .
  • the assembly boss 200 is provided with a cavity 220 , and a separation rib 230 is provided in the cavity 220 .
  • a plurality of separation ribs 230 surround the communication hole 120 .
  • the assembly boss 200 and the valve body 100 are integrally formed.
  • the assembly boss 200 and the valve body 100 can be integrally injection molded, integrally turned, or 3D printed. Here, Not listed one by one.
  • the communication hole 120 can also be directly provided on the side wall of the valve body 100 .
  • the mounting plane 210 has a first direction 240 that is in the same direction as the axial direction of the valve body 100 and a second direction 250 that is perpendicular to the first direction 240 .
  • the fifth through hole 125 and the third through hole 123 are arranged sequentially along the second direction 250 of the mounting plane 210 and are located at one end of the first direction 240 of the mounting plane 210 .
  • the sixth through hole 126 , the seventh through hole 127 and the first The through holes 121 are arranged sequentially along the second direction 250 of the mounting plane 210 and are located at the other end of the first direction 240 of the mounting plane 210 .
  • the second through holes 122 and the fourth through holes 124 are arranged along the second direction 250 of the mounting plane 210 . They are arranged in sequence and are located in the middle position of the first direction 240 of the installation plane 210 .
  • the lengths of the first through hole 121 and the third through hole 123 along the lateral direction of the mounting boss 200 are longer than the lengths of the other communication holes 120 along the lateral direction of the mounting boss 200 .
  • the first through hole 121 , the second through hole 122 , the third through hole 123 , the fourth through hole 124 , the fifth through hole 125 , the sixth through hole 126 and the seventh through hole 127 are all square. hole.
  • the hole 127 may also be a circular hole, a triangular hole, or a through hole in other shapes, which are not listed here.
  • the valve core 300 has a columnar structure, and the valve core 300 is divided into a first segment 340, a second segment 350 and a third segment that are connected in sequence along the axial direction. 360.
  • the connecting groove 330 includes a first connecting groove 331, a second connecting groove 332, a third connecting groove 333, a fourth connecting groove 334, a fifth connecting groove 335, a sixth connecting groove 336, and a seventh connecting groove 337 arranged separately.
  • the eighth continuous slot 338 the ninth continuous slot 339, the tenth continuous slot 3310, the eleventh continuous slot 3311, the twelfth continuous slot 3312, the thirteenth continuous slot 3313, the fourteenth continuous slot 3314 and the fifteenth Even slot 3315.
  • the first connecting groove 331 , the second connecting groove 332 , the third connecting groove 333 , the fourth connecting groove 334 , the fifth connecting groove 335 and the sixth connecting groove 336 are distributed in the first segment 340 along the circumferential direction of the valve core 300
  • the seventh connecting groove 337, the eighth connecting groove 338, the ninth connecting groove 339, the tenth connecting groove 3310, the eleventh connecting groove 3311 and the twelfth connecting groove 3312 are distributed along the circumferential direction of the valve core 300 in the second
  • the thirteenth connecting groove 3313 , the fourteenth connecting groove 3314 and the fifteenth connecting groove 3315 are distributed in the third segment 360 along the circumferential direction of the valve core 300 .
  • the third connecting groove 333 and the eighth connecting groove 338 are connected with each other along the axial direction of the valve core 300
  • the fifth connecting groove 335 and the eleventh connecting groove 3311 are connected with each other along the axial direction of the valve core 300
  • the sixth connecting groove 335 and the 11th connecting groove 3311 are connected with each other along the axial direction of the valve core 300.
  • the groove 336, the twelfth connecting groove 3312 and the fifteenth connecting groove 3315 are connected with each other along the axial direction of the valve core 300
  • the ninth connecting groove 339 and the fifteenth connecting groove 3315 are connected with each other along the axial direction of the valve core 300.
  • the second communication groove 332 and the sixth communication groove 336 are connected through the through passage 311 .
  • the through channel 311 is disposed on a side of the main body 310 close to the bottom wall of the first connecting groove 331 and is not connected to the first connecting channel 331 . slot331.
  • the through channel 311 can also be sequentially penetrated through the main body 310 near the bottom wall of the third connecting groove 333 , the bottom wall of the fourth connecting groove 334 and the bottom wall of the fifth connecting groove 335 on one side, and is not connected to the third connecting groove 333 , the fourth connecting groove 334 and the fifth connecting groove 335 .
  • the lengths of the first section 340 , the second section 350 and the third section 360 along the axial direction of the valve core 300 are equal.
  • the thickness of the first segment 340 and the second segment 350 along the axial direction of the valve core 300 may also be unequal, which is not specifically limited here.
  • the sixth through hole 126 communicates with the seventh through hole 127 through the fifteenth connecting groove 3315, and the seventh through hole 127 communicates with the first through hole 121 through the thirteenth connecting groove 3313.
  • the sixth through hole 126 communicates with the fourth through hole 124 through the fifteenth connecting groove 3315 and the ninth connecting groove 339, and the sixth through hole 126 communicates with the second through hole 122 through the fifteenth connecting groove 3315 and the twelfth connecting groove 3312.
  • the second through hole 122 communicates with the fifth through hole 125 through the twelfth connecting groove 3312 and the sixth connecting groove 336, and the fifth through hole 125 communicates with the third through hole 125 through the sixth connecting groove 336, the through channel 311 and the second connecting groove 332.
  • Through hole 123 Through hole 123.
  • the first through hole 121 is connected to the second through hole 122 through the fifteenth connecting groove 3315 and the ninth connecting groove 339, and the sixth through hole 126 is connected to the seventh through hole 127 through the fourteenth connecting groove 3314.
  • the third through hole 123 communicates with the fifth through hole 125 through the third connecting groove 333, and the fourth through hole 124 is in a closed state.
  • the first through hole 121 is connected to the second through hole 122 through the fifteenth connecting groove 3315 and the ninth connecting groove 339, and the first through hole 121 is connected to the seventh through hole through the fifteenth connecting groove 3315.
  • hole 127, the sixth through hole 126 communicates with the seventh through hole 127 through the fourteenth connecting groove 3314, the third through hole 123 communicates with the fifth through hole 125 through the third connecting groove 333, and the fourth through hole 124 is in a closed state.
  • the first through hole 121 communicates with the fifth through hole 125 through the fifteenth connecting groove 3315, the twelfth connecting groove 3312, the sixth connecting groove 336, the through channel 311 and the second connecting groove 332 in sequence.
  • the sixth through hole 126 is connected to the seventh through hole 127 through the thirteenth connecting groove 3313
  • the third through hole 123 is connected to the second through hole 122 through the third connecting groove 333 and the eighth connecting groove 338
  • the fourth through hole 124 is in Disabled.
  • the first through hole 121 is connected to the seventh through hole 127 through the fourteenth connecting groove 3314, and the first through hole 121 is connected to the fourth through hole through the fifteenth connecting groove 3315 and the ninth connecting groove 339.
  • the hole 124 and the sixth through hole 126 are connected to the seventh through hole 127 through the thirteenth connecting groove 3313.
  • the third through hole 123 is connected to the second through hole 122 and the fifth through hole through the third connecting groove 333 and the eighth connecting groove 338. 125 is off.
  • the first through hole 121 is connected to the second through hole 122 through the fifteenth connecting groove 3315 and the ninth connecting groove 339, and the first through hole 121 is connected to the seventh through hole through the fifteenth connecting groove 3315.
  • hole 127, the sixth through hole 126 communicates with the seventh through hole 127 through the fourteenth connecting groove 3314, the third through hole 123 communicates with the fourth through hole 124 through the fifth connecting groove 335 and the eleventh connecting groove 3311.
  • Hole 125 is closed.
  • the first through hole 121 is connected to the fourth through hole 124 through the fifteenth connecting groove 3315 and the ninth connecting groove 339, and the sixth through hole 126 is connected to the seventh through hole through the thirteenth connecting groove 3313. 127.
  • the third through hole 123 communicates with the second through hole 122 through the third connecting groove 333 and the eighth connecting groove 338, and the fifth through hole 125 is in a closed state.
  • the first through hole 121 is connected to the second through hole 122 through the fifteenth connecting groove 3315 and the ninth connecting groove 339, and the first through hole 121 is connected to the seventh through hole through the fifteenth connecting groove 3315.
  • the third through hole 127 and the third through hole 123 are connected to the fourth through hole 124 through the fifth connecting groove 335 and the eleventh connecting groove 3311.
  • the fifth through hole 125 is in a closed state, and the sixth through hole 126 is in a closed state.
  • the seventh through hole 127 is connected to the sixth through hole 126 and the first through hole 121 respectively, and when the valve core 300 rotates at a second preset angle relative to the first preset position Within the range, the fifteenth connecting groove 3315 can adjust the opening between the first through hole 121 and the seventh through hole 127, and the fourteenth connecting groove 3314 can adjust the opening between the sixth through hole 126 and the seventh through hole 127. The openings between the sixth through hole 126, the seventh through hole 127 and the first through hole 121 are adjusted accordingly.
  • the seventh through hole 127 is connected to the sixth through hole 126 and the first through hole 121 respectively, and when the valve core 300 rotates relative to the first preset position within the fourth preset angle range,
  • the fourteenth connecting groove 3314 can adjust the opening between the first through hole 121 and the seventh through hole 127
  • the thirteenth connecting groove 3313 can adjust the opening between the sixth through hole 126 and the seventh through hole 127. opening, thereby achieving proportional flow adjustment between the sixth through hole 126 , the seventh through hole 127 and the first through hole 121 .
  • the seventh through hole 127 is connected to the sixth through hole 126 and the first through hole 121 respectively, and when the valve core 300 rotates relative to the first preset position within the fifth preset angle range In the case of opening, thereby realizing flow ratio adjustment between the sixth through hole 126, the seventh through hole 127 and the first through hole 121.
  • the control valve further includes a sealing gasket 400 , the sealing gasket 400 is disposed between the valve core 300 and the valve body 100 , and the sealing gasket 400 is provided with a gasket connected to the corresponding communication hole 120 .
  • There are multiple cuts 410 one end of the sealing gasket 400 along the thickness direction contacts and sealingly fits with the outer wall of the valve core 300 , and the other end of the sealing gasket 400 along the thickness direction is sealingly connected to the inner wall of the valve body 100 .
  • the sealing gasket 400 is in a sheet shape, and the surface of the side of the sealing gasket 400 close to the valve core 300 is relatively smooth, which facilitates the rotation of the valve core 300 relative to the sealing gasket 400 .
  • the material of the sealing gasket 400 is usually rubber or silicone, and the entire sealing gasket 400 is formed in one piece.
  • the sealing gasket 400 is attached to the inner wall of the valve body 100 along the circumferential direction of the valve body 100. This helps to improve the assembly strength of the sealing gasket 400.
  • the shape of the cutout 410 is the same as the shape of the corresponding communicating hole 120 .
  • control valve further includes an actuator 500.
  • the actuator 500 is provided at one end of the valve body 100 along the axial direction of the valve body 100 and is connected to the rotating shaft of the valve core 300 to drive the valve.
  • the core 300 rotates relative to the valve body 100 .
  • the actuator 500 includes a first housing 510 , a second housing 520 and a driving assembly (not shown).
  • the first housing 510 and the second housing 520 An assembly cavity (not shown) is formed around the assembly cavity, the driving assembly is installed in the assembly cavity, and the first housing 510 and the second housing 520 are welded by laser or ultrasonic waves.
  • one end of the valve body 100 close to the actuator 500 is provided with an assembly port 111 that communicates with the valve chamber 110 .
  • the valve core 300 is installed in the valve chamber 110 through the assembly port 111 and controls the valve. It also includes an end cap 600 that covers the assembly opening 111 .
  • the second housing 520 is provided with a first annular protrusion 521
  • the end cover 600 is provided with a second annular protrusion 610 corresponding to the first annular protrusion 521 .
  • the annular protrusion 610 is sleeved on an end of the first annular protrusion 521 away from the second housing 520
  • the sealing ring 700 is sleeved on an end of the first annular protrusion 521 close to the second housing 520 to block the first annular protrusion.
  • the assembly gap between the protrusion 521 and the second annular protrusion 610 is provided with a first annular protrusion 521
  • the end cover 600 is provided with a second annular protrusion 610 corresponding to the first annular protrusion 521 .
  • the annular protrusion 610 is sleeved on an end of the first annular protrusion 521 away from the second housing 520
  • the sealing ring 700 is sleeved on an end
  • the second housing 520 is provided at one end of the actuator 500 close to the end cover 600 , and the second housing 520 is provided with an end close to the end cover 600 that is wound around the rotation axis of the valve core 300 .
  • the first sealing groove and the second sealing groove are surrounded by a In the sealing cavity (not shown), the sealing ring 700 is disposed in the sealing cavity, and the two ends of the sealing ring 700 are sealingly connected with the inner wall of the first sealing groove and the inner wall of the second sealing groove respectively.
  • seals may be provided on the end of the end cover 600 facing away from the actuator 500 .
  • the actuator 500 engages the rotating shaft of the valve core 300 through a gear structure.
  • the end of the valve core 300 away from the driver is provided with an anti-rotation block (not shown), and the valve body 100 is provided with an anti-rotation groove (not shown) corresponding to the anti-rotation block.
  • the anti-rotation block and the anti-rotation groove are movable. Cooperate to limit the rotation angle of the valve core 300 relative to the valve body 100 and prevent the valve core 300 from excessive rotation.
  • This application also provides an electric vehicle, which includes the thermal management integrated system described in any of the above embodiments.
  • the cabin heat exchange component can form a first circulation loop through the communication control valve, and the battery heat exchange component can form a second circulation loop through the communication control valve
  • the motor heat exchange component can form a third circulation loop by connecting the control valve. That is, the cabin heat exchange component, battery heat exchange component and motor heat exchange component are all connected with the control valve. Therefore, by setting the control valve, the heat exchanger is greatly improved. Manage the degree of integration of integrated systems.
  • the first circulation loop, the second circulation loop and the third circulation loop can realize any two or three of the first circulation loop, the second circulation loop and the third circulation loop to be connected to each other through the control valve, also That is, heat can be transferred to each other between the first circulation loop, the second circulation loop and the third circulation loop. In this way, the heat can be redistributed among the first circulation loop, the second circulation loop and the third circulation loop to avoid Heat can only be transferred within a single circulation loop, resulting in a waste of heat. Therefore, such an arrangement greatly improves the thermal management efficiency of the thermal management integrated system.

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  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

Un système de gestion thermique intégré et un véhicule électrique. Le système de gestion thermique intégré comprend une soupape de commande (10), un ensemble d'échange de chaleur de corps (20), un ensemble d'échange de chaleur de batterie (30) et un ensemble d'échange de chaleur de moteur (40), l'ensemble d'échange de chaleur de corps (20) pouvant communiquer avec la soupape de commande (10) pour former une première boucle de circulation, l'ensemble d'échange de chaleur de batterie (30) pouvant communiquer avec la soupape de commande (10) pour former une deuxième boucle de circulation, l'ensemble d'échange de chaleur de moteur (40) pouvant communiquer avec la soupape de commande (10) pour former une troisième boucle de circulation, et un fluide de refroidissement pouvant circuler de manière circulaire dans la première boucle de circulation, la deuxième boucle de circulation et la troisième boucle de circulation. Deux ou trois boucles quelconques parmi la première boucle de circulation, la deuxième boucle de circulation et la troisième boucle de circulation peuvent communiquer l'une avec l'autre au moyen de la soupape de commande (10).
PCT/CN2022/142426 2022-09-05 2022-12-27 Système de gestion thermique intégré et véhicule électrique WO2024051040A1 (fr)

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