CN115091915A - Integrated heat pump thermal management system and vehicle - Google Patents

Integrated heat pump thermal management system and vehicle Download PDF

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Publication number
CN115091915A
CN115091915A CN202210164517.9A CN202210164517A CN115091915A CN 115091915 A CN115091915 A CN 115091915A CN 202210164517 A CN202210164517 A CN 202210164517A CN 115091915 A CN115091915 A CN 115091915A
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China
Prior art keywords
battery
adjusting mechanism
interface
refrigerant
heat
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Pending
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CN202210164517.9A
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Chinese (zh)
Inventor
肖启能
黄惊云
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Shenzhen Angpai Technology Co ltd
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Shenzhen Angpai Technology Co ltd
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Priority to CN202210164517.9A priority Critical patent/CN115091915A/en
Publication of CN115091915A publication Critical patent/CN115091915A/en
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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
    • B60H1/00357—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
    • B60H1/14—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant otherwise than from cooling liquid of the plant, e.g. heat from the grease oil, the brakes, the transmission unit
    • B60H1/143—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant otherwise than from cooling liquid of the plant, e.g. heat from the grease oil, the brakes, the transmission unit the heat being derived from cooling an electric component, e.g. electric motors, electric circuits, fuel cells or batteries
    • 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
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/615—Heating or keeping warm
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
    • H01M10/6571—Resistive heaters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
    • H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Combustion & Propulsion (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

The invention provides an integrated heat pump heat management system and a vehicle, wherein the integrated heat pump heat management system comprises a passenger compartment temperature adjusting mechanism, a temperature adjusting mechanism and a temperature adjusting mechanism, wherein the passenger compartment temperature adjusting mechanism is arranged on the vehicle and is used for adjusting the temperature of a passenger compartment of the vehicle; the battery temperature adjusting mechanism is arranged on the vehicle and used for adjusting the temperature of the power battery of the vehicle; the motor electric control temperature adjusting mechanism is arranged at a motor electric control structure of the vehicle and is used for adjusting the temperature of the motor electric control structure of the vehicle; the passenger cabin temperature adjusting mechanism and the battery temperature adjusting mechanism share a plate heat exchanger mechanism, the passenger cabin temperature adjusting mechanism and the motor electric control temperature adjusting mechanism share an outdoor radiating fan, and the battery temperature adjusting mechanism and the motor electric control temperature adjusting mechanism are communicated through a liquid path four-way valve and share an expansion kettle. The thermal association among the passenger compartment temperature adjusting mechanism, the battery temperature adjusting mechanism and the motor electric control temperature adjusting mechanism is realized, the temperature of the whole vehicle is adjusted, the energy loss of the power battery is reduced, and the endurance mileage of the power battery is improved.

Description

Integrated heat pump thermal management system and vehicle
Technical Field
The invention relates to the technical field of new energy vehicle air conditioners, in particular to an integrated heat pump heat management system and a vehicle.
Background
Along with the sharp increase of travel demands, the sales volume of automobiles is also increased synchronously, but the traditional automobile power is derived from fossil fuels, such as gasoline, diesel oil and the like; although the automobile obtains sufficient power, the combustion of fossil fuel can emit a large amount of exhaust gas, which causes serious environmental pollution. In the prior art, in order to meet vehicle power and avoid environmental pollution, new energy vehicles driven by electric energy are developed, and in order to ensure the driving convenience of the vehicles, power batteries are often integrated on the vehicles to provide power for the vehicles in a power battery mode; however, the endurance mileage of the new energy vehicle is limited by the endurance capacity of the power battery. Meanwhile, in order to meet the requirement of refrigerating or heating a passenger compartment of a new energy vehicle, a passenger compartment temperature adjusting mechanism is usually configured for the vehicle; the motor electric control structure of the vehicle can also generate a large amount of heat during running, and the motor electric control temperature adjusting mechanism can also be configured to dissipate the heat of the motor electric control structure; for new energy vehicles, the passenger compartment temperature adjusting mechanism and the motor electric control structure are also supplied by the power battery, so that the cruising ability of the power battery is further influenced. Furthermore, the cruising ability of the power battery is influenced by the ambient temperature, and the cruising ability of the power battery is severely restricted in winter at low temperature; in summer with high temperature, the chemical balance of the power battery can be damaged, side reaction is generated, and the normal use of the power battery is further influenced; therefore, in order to ensure the endurance of the power battery, the power battery is often heated or cooled, which also increases the power consumption of the power battery.
In addition, in the prior art, the motor electric control temperature adjusting mechanism only dissipates heat of the motor electric control, and wastes heat of the motor electric control; for the temperature regulation of the battery, the mode of low energy efficiency is often adopted as a main heater by electric heating; the passenger compartment temperature regulation is also independently configured to be refrigerating, electric heating and the like; that is to say, current new forms of energy vehicle does not carry out unified associated configuration to battery temperature regulation, passenger compartment temperature regulation and the automatically controlled temperature regulation of motor, causes the thermal management to be responsible for the confusion, wastes power battery's electric energy.
Accordingly, the prior art has shortcomings and drawbacks that require further improvement and development.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide an integrated heat pump thermal management system and a vehicle, and aims to solve the problems that in the prior art, the thermal management of a new energy vehicle is not uniform, and the endurance capacity of a power battery is low.
The technical scheme adopted by the invention for solving the technical problem is as follows: an integrated heat pump thermal management system, comprising:
the passenger compartment temperature adjusting mechanism is arranged on the vehicle and used for adjusting the temperature of the passenger compartment of the vehicle;
the battery temperature adjusting mechanism is arranged on the vehicle and used for adjusting the temperature of the power battery of the vehicle;
the motor electric control temperature adjusting mechanism is arranged at a motor electric control structure of the vehicle and is used for adjusting the temperature of the motor electric control structure of the vehicle;
the passenger compartment temperature adjusting mechanism and the battery temperature adjusting mechanism share a plate heat exchanger mechanism, the passenger compartment temperature adjusting mechanism and the motor electric control temperature adjusting mechanism share an outdoor heat radiating fan, and the battery temperature adjusting mechanism and the motor electric control temperature adjusting mechanism are communicated through a liquid path four-way valve and share an expansion kettle.
Further, the passenger compartment temperature adjustment mechanism includes:
a compressor provided with a high pressure port and a low pressure port;
the refrigerant four-way valve is provided with a refrigerant first interface, a refrigerant second interface, a refrigerant third interface and a refrigerant fourth interface, wherein the refrigerant first interface is connected with the high-pressure port, and the refrigerant third interface is connected with the low-pressure port;
one end of the indoor heat exchanger is connected with the second refrigerant interface;
one end of the first throttle valve is connected with the other end of the indoor heat exchanger;
the outdoor heat exchanger is connected between the first throttling valve and the fourth refrigerant interface;
the plate heat exchanger mechanism is connected between the second refrigerant interface and the first throttle valve.
Further, the passenger compartment temperature adjustment mechanism further includes:
one end of the second throttling valve is connected with the indoor heat exchanger;
the heat regenerator comprises a first heat recovery branch and a second heat recovery branch, the first heat recovery branch is connected between the first throttling valve and the second throttling valve, and one end of the second heat recovery branch is connected with the third refrigerant interface;
the plate heat exchanger mechanism is connected between the first heat recovery branch and the second refrigerant interface.
Further, the passenger compartment temperature adjustment mechanism further includes:
and the gas-liquid separator is connected between the second regenerative branch and the low-pressure port.
Further, the plate heat exchanger mechanism comprises:
the plate heat exchanger is provided with a refrigerant branch and a battery branch, one end of the refrigerant branch is connected with the second refrigerant interface, and the battery branch is connected with the battery temperature adjusting mechanism;
and the third throttling valve is connected between the refrigerant branch and the first heat recovery branch.
Further, the battery temperature adjustment mechanism includes:
one end of the first water pump is connected with one end of the battery branch;
one end of the battery heat exchange piece is connected with the first water pump;
the liquid path four-way valve is provided with a liquid path first interface, a liquid path second interface, a liquid path third interface and a liquid path fourth interface; the other end of the battery heat exchange piece is connected with the fourth interface of the liquid path; the other end of the battery branch is connected with the first interface of the liquid path; the expansion kettle is connected between the fourth port of the liquid path and the battery heat exchange piece.
Further, the battery temperature adjusting mechanism further comprises:
PTC electric heating member, PTC electric heating member set up in the battery branch road with between the first interface of liquid circuit.
Further, the automatically controlled temperature adjustment mechanism of motor includes:
one end of the second water pump is connected with the third interface of the liquid path;
one end of the motor electric control heat exchange piece is connected with the other end of the second water pump;
one end of the outdoor radiator is connected with the other end of the motor electric control heat exchange piece;
the three-way valve is provided with a first three-way connector, a second three-way connector and a third three-way connector;
the other end of the motor electric control heat exchange piece is further connected with the third tee joint, the other end of the outdoor radiator is connected with the second tee joint, the first tee joint is connected with the liquid path second joint, and the expansion kettle is further connected between the liquid path third joint and the motor electric control heat exchange piece.
Further, the outdoor heat dissipation fan is arranged at the outdoor heat exchanger and the outdoor radiator;
passenger cabin temperature adjustment mechanism still includes solenoid valve, indoor radiator and indoor fan, the one end of solenoid valve connect in between battery branch road and the PTC electric heating member, the other end of solenoid valve with the one end of indoor radiator is connected, the other end of indoor radiator connect with the battery branch road with between the first water pump, indoor fan set up in indoor radiator department, just indoor radiator with the sharing of indoor heat exchanger indoor fan.
The invention adopts another technical scheme for solving the technical problem as follows: a vehicle, wherein the vehicle comprises an integrated heat pump thermal management system as described above.
The invention provides an integrated heat pump heat management system and a vehicle, wherein the integrated heat pump heat management system comprises: the passenger compartment temperature adjusting mechanism is arranged on the vehicle and is used for adjusting the temperature of the passenger compartment of the vehicle; the battery temperature adjusting mechanism is arranged on the vehicle and used for adjusting the temperature of the power battery of the vehicle; the motor electric control temperature adjusting mechanism is arranged at a motor electric control structure of the vehicle and is used for adjusting the temperature of the motor electric control structure of the vehicle; the passenger compartment temperature adjusting mechanism and the battery temperature adjusting mechanism share a plate heat exchanger mechanism, the passenger compartment temperature adjusting mechanism and the motor electric control temperature adjusting mechanism share an outdoor heat radiating fan, and the battery temperature adjusting mechanism and the motor electric control temperature adjusting mechanism are communicated through a liquid path four-way valve and share an expansion kettle. The passenger compartment temperature adjusting mechanism is arranged, so that heating or cooling can be performed on the passenger compartment of the vehicle; by arranging the battery temperature adjusting mechanism, the power battery of the vehicle can be heated or cooled, and the influence of the environmental temperature on the cruising ability of the power battery is avoided; the motor electric control temperature adjusting mechanism is arranged, so that the motor electric control structure of the vehicle can be effectively radiated; meanwhile, the refrigerant and the cooling liquid simultaneously pass through the plate heat exchanger mechanism, and the plate heat exchanger mechanism shared by the passenger compartment temperature adjusting mechanism and the battery temperature adjusting mechanism is controlled, namely the plate heat exchanger mechanism is simultaneously connected with the passenger compartment temperature adjusting mechanism and the battery temperature adjusting mechanism, so that the cooling liquid in the battery temperature adjusting mechanism can be cooled or heated by using a heat pump of the passenger compartment temperature adjusting mechanism, the power battery is heated or cooled at a high energy efficiency ratio by using the heat pump of the passenger compartment temperature adjusting mechanism, the electric energy loss of the power battery is reduced, and the cruising ability of the power battery is improved; meanwhile, by arranging an outdoor cooling fan and controlling the passenger compartment temperature adjusting mechanism and the motor electric control temperature adjusting mechanism to share the outdoor cooling fan, the energy consumption of the passenger compartment temperature adjusting mechanism and the motor electric control temperature adjusting mechanism on the power battery is further reduced, and the cruising ability of the power battery is improved; through setting up liquid way cross valve, and then realize battery temperature regulating mechanism with the automatically controlled temperature regulating mechanism of motor intercommunication is relevant, simultaneously through setting up the expansion kettle, and then can do battery temperature regulating mechanism with the automatically controlled temperature regulating mechanism of motor provides the coolant liquid, can retrieve through the coolant liquid again the heat that the automatically controlled structure of motor produced, and temporary storage with in the expansion kettle to can utilize the heat of retrieving to heat power battery, realize the recovery of waste heat, further promotion power battery's duration.
Drawings
FIG. 1 is a functional block diagram of an integrated heat pump thermal management system provided in the present invention;
FIG. 2 is a functional block diagram of an integrated heat pump thermal management system provided in the present invention;
FIG. 3 is a schematic block diagram of the relationship between the passenger compartment temperature regulating mechanism and the outdoor cooling fan of the integrated heat pump thermal management system provided in the present invention;
FIG. 4 is a schematic block diagram of the relationship between the temperature regulating mechanism of the battery, the plate heat exchanger mechanism and the expansion tank of the integrated heat pump thermal management system provided in the present invention;
FIG. 5 is a schematic block diagram of the matching relationship between the electric control temperature adjusting mechanism of the motor and the expansion kettle of the integrated heat pump heat management system provided by the invention;
FIG. 6 is a schematic block diagram showing the relationship between the passenger compartment temperature adjustment mechanism, the motor electrically-controlled temperature adjustment mechanism, the outdoor cooling fan and the expansion tank of the integrated heat pump thermal management system provided in the present invention;
FIG. 7 is a functional block diagram of a modified configuration of the integrated heat pump thermal management system provided in the present invention;
FIG. 8 is a functional block diagram of another alternative configuration of the integrated heat pump thermal management system provided in the present invention;
FIG. 9 is a functional block diagram of another alternative configuration of the integrated heat pump thermal management system provided in the present invention;
fig. 10 is a functional block diagram of an integrated heat pump thermal management system according to a ninth embodiment of the present invention;
FIG. 11 is a functional block diagram of an integrated heat pump thermal management system according to an exemplary embodiment of the present invention;
fig. 12 is a functional block diagram of an integrated heat pump thermal management system according to an eleventh embodiment of the present invention; description of reference numerals:
1. an integrated heat pump thermal management system; 10. a passenger compartment temperature adjustment mechanism; 20. a battery temperature adjustment mechanism; 30. the motor is electrically controlled to regulate the temperature; 40. a plate heat exchanger mechanism; 50. an outdoor heat-dissipating fan; 60. a liquid path four-way valve; 70. an expansion kettle; 11. a compressor; 12. a refrigerant four-way valve; 13. an indoor heat exchanger; 14. a first throttle valve; 15. an outdoor heat exchanger; 16. a second throttle valve; 17. a heat regenerator; 18. a gas-liquid separator; 191. an electromagnetic valve; 192. an indoor radiator; 193. an indoor fan; 111. a high pressure port; 112. a low pressure port; 121. a first refrigerant interface; 122. a second refrigerant interface; 123. a third interface of the refrigerant; 124. a fourth interface of the refrigerant; 171. a first heat recovery branch; 172. a second regenerative branch; 21. a first water pump; 22. a battery heat exchanger; 23. a PTC electric heating element; 31. a second water pump; 32. the electric control heat exchange piece of the motor; 33. an outdoor radiator; 34. a three-way valve; 341. a first tee fitting; 342. a second tee fitting; 343. a third tee joint; 41. a plate heat exchanger; 42. a third throttle valve; 411. a refrigerant branch; 412. a battery branch; 61. a fluid path first interface; 62. a liquid path second interface; 63. a third interface of the liquid path; 64. and a liquid path fourth interface.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Along with the sharp increase of travel demands, the sales volume of automobiles is synchronously increased, but the traditional automobile power is derived from fossil fuels, such as gasoline, diesel and the like; although sufficient power is obtained for automobiles, the combustion of fossil fuels can emit a large amount of exhaust gas, causing serious environmental pollution. In the prior art, in order to meet the requirement of vehicle power and avoid environmental pollution, new energy vehicles driven by electric energy are developed, and in order to ensure the convenience of vehicle driving, a power battery is often integrated on the vehicle and provides power for the vehicle in a power battery mode; however, the endurance mileage of the new energy vehicle is limited by the endurance capacity of the power battery. Meanwhile, in order to meet the requirement of refrigerating or heating a passenger compartment of a new energy vehicle, a passenger compartment temperature adjusting mechanism is usually configured for the vehicle; the motor electric control structure of the vehicle can also generate a large amount of heat during running, and the motor electric control temperature adjusting mechanism can also be configured to dissipate the heat of the motor electric control structure; for new energy vehicles, the passenger compartment temperature adjusting mechanism and the motor electric control structure are also supplied by the power battery, so that the cruising ability of the power battery is further influenced. Furthermore, the cruising ability of the power battery can be influenced by the ambient temperature, and the cruising ability of the power battery can be severely restricted in low-temperature winter; in summer with high temperature, the chemical balance of the power battery can be damaged, side reaction is generated, and the normal use of the power battery is further influenced; therefore, in order to ensure the endurance of the power battery, the power battery is often heated or cooled, which also increases the power consumption of the power battery.
In addition, in the prior art, the motor electric control temperature adjusting mechanism only dissipates heat of the motor electric control, and wastes heat of the motor electric control; for the temperature adjustment of the battery, the low energy efficiency mode of electric heating is often adopted; the passenger compartment temperature regulation is also independently configured to be refrigerating, electric heating and the like; that is to say, current new forms of energy vehicle does not carry out the unified associated configuration to battery temperature regulation, passenger cabin temperature regulation and the automatically controlled temperature regulation of motor, causes the thermal management to be responsible for the confusion, the electric energy of extravagant power battery.
The invention provides an integrated heat pump heat management system and a vehicle based on the problems that the heat management of a new energy vehicle is not uniform and the endurance of a power battery is low in the prior art, wherein a refrigerant and a cooling liquid simultaneously pass through a plate heat exchanger mechanism, and a passenger compartment temperature adjusting mechanism and a battery temperature adjusting mechanism are controlled to share the plate heat exchanger mechanism, namely the plate heat exchanger mechanism is simultaneously connected with the passenger compartment temperature adjusting mechanism and the battery temperature adjusting mechanism, so that the cooling liquid in the battery temperature adjusting mechanism can be cooled or heated by using a heat pump of the passenger compartment temperature adjusting mechanism, the heat pump of the passenger compartment temperature adjusting mechanism is further used for heating or cooling the power battery at a high energy efficiency ratio, the electric energy loss of the power battery is reduced, and the endurance of the power battery is improved; meanwhile, by arranging an outdoor radiating fan and controlling the passenger cabin temperature adjusting mechanism and the motor electric control temperature adjusting mechanism to share the outdoor radiating fan, the energy consumption of the passenger cabin temperature adjusting mechanism and the motor electric control temperature adjusting mechanism on the power battery is further reduced, and the cruising ability of the power battery is improved; the liquid path four-way valve is arranged, so that the battery temperature adjusting mechanism is communicated and associated with the motor electric control temperature adjusting mechanism, meanwhile, the expansion kettle is arranged, so that cooling liquid can be provided for the battery temperature adjusting mechanism and the motor electric control temperature adjusting mechanism, heat generated by the motor electric control mechanism can be recovered through the cooling liquid, the heat can be temporarily stored in the expansion kettle, the recovered heat can be used for heating the power battery, the recovery of waste heat is realized, and the cruising ability of the power battery is further improved; for details, reference will be made to the following embodiments.
Referring to fig. 1 and 2 in combination, a first embodiment of the present invention provides an integrated heat pump heat management system 1, where the integrated heat pump heat management system 1 is applied to a new energy vehicle, and is used to cool or heat the new energy vehicle, specifically, the integrated heat pump heat management system 1 can cool or heat the new energy vehicle, cool or heat a power battery, dissipate heat and cool an electric control assembly of a motor, recover waste heat of the electric control assembly of the motor, heat the power battery, and heat and cool a passenger compartment by using a heat pump of the passenger compartment while heating or cooling the passenger compartment.
The integrated heat pump heat management system 1 comprises a passenger compartment temperature adjusting mechanism 10, a battery temperature adjusting mechanism 20, a motor electric control temperature adjusting mechanism 30, a plate type heat exchanger mechanism 40, an outdoor heat radiating fan 50, a liquid path four-way valve 60 and an expansion kettle 70; the passenger compartment temperature adjusting mechanism 10 is arranged on a vehicle and is used for adjusting the temperature of a passenger compartment of the vehicle; the battery temperature adjusting mechanism 20 is arranged on the vehicle, specifically at the power battery of the vehicle, and is used for adjusting the temperature of the power battery of the vehicle; the motor electric control temperature adjusting mechanism 30 is arranged at a motor electric control structure of the vehicle and is used for adjusting the temperature of the motor electric control structure of the vehicle; the passenger compartment temperature adjusting mechanism 10 and the battery temperature adjusting mechanism 20 share one plate heat exchanger mechanism 40, the passenger compartment temperature adjusting mechanism 10 and the motor electric control temperature adjusting mechanism 30 share one outdoor heat dissipation fan 50, and the battery temperature adjusting mechanism 20 and the motor electric control temperature adjusting mechanism 30 share one expansion kettle 70 through one liquid path four-way valve 60.
It can be understood that the passenger compartment temperature adjusting mechanism 10 is arranged, so that heating or cooling can be performed on the passenger compartment of the vehicle; by arranging the battery temperature adjusting mechanism 20, the power battery of the vehicle can be cooled or heated, and the influence of the environmental temperature on the cruising ability of the power battery is avoided; the motor electric control temperature adjusting mechanism 30 is arranged, so that the motor electric control structure of the vehicle can be effectively radiated; meanwhile, the refrigerant and the cooling liquid simultaneously pass through the plate heat exchanger mechanism 40, and the passenger compartment temperature adjusting mechanism 10 and the battery temperature adjusting mechanism 20 are controlled to share the plate heat exchanger mechanism 40, namely the plate heat exchanger mechanism 40 is simultaneously connected with the passenger compartment temperature adjusting mechanism 10 and the battery temperature adjusting mechanism 20, so that the cooling liquid in the battery temperature adjusting mechanism 20 can be cooled or heated by the heat pump of the passenger compartment temperature adjusting mechanism 10, the power battery is heated or cooled at a high energy efficiency ratio by the heat pump of the passenger compartment temperature adjusting mechanism 10, the electric energy loss of the power battery is reduced, and the cruising ability of the power battery is improved; meanwhile, by arranging the outdoor heat radiation fan 50 and controlling the passenger compartment temperature adjusting mechanism 10 and the motor electric control temperature adjusting mechanism 30 to share the outdoor heat radiation fan 50, the energy consumption of the passenger compartment temperature adjusting mechanism 10 and the motor electric control temperature adjusting mechanism 30 on the power battery is further reduced, and the cruising ability of the power battery is improved; through setting up liquid way cross valve 60, and then realize battery temperature regulating mechanism 20 with the automatically controlled temperature regulating mechanism 30 of motor communicates the relevance, simultaneously through setting up expansion kettle 70, and then can for battery temperature regulating mechanism 20 with the automatically controlled temperature regulating mechanism 30 of motor provides the coolant liquid, can retrieve through the coolant liquid again the heat that the automatically controlled structure of motor produced, and temporary storage with in the expansion kettle 70 to can utilize the heat of retrieving to heat power battery, realize the recovery of waste heat, further promotion power battery's duration.
Referring to fig. 1 and 3 in combination, in some embodiments, the passenger compartment temperature adjustment mechanism 10 includes: the system comprises a compressor 11, a refrigerant four-way valve 12, an indoor heat exchanger 13, a first throttle valve 14 and an outdoor heat exchanger 15; the compressor 11 is provided with a high-pressure port 111 and a low-pressure port 112; the refrigerant four-way valve 12 is provided with a refrigerant first interface 121, a refrigerant second interface 122, a refrigerant third interface 123 and a refrigerant fourth interface 124, wherein the refrigerant first interface 121 is connected with the high-pressure port 111, and the refrigerant third interface 123 is connected with the low-pressure port 112; one end of the indoor heat exchanger 13 is connected to the second refrigerant interface 122; one end of the first throttle valve 14 is connected with the other end of the indoor heat exchanger 13; the outdoor heat exchanger 15 is connected between the first throttle valve 14 and the fourth refrigerant port 124; the plate heat exchanger mechanism 40 is connected between the second refrigerant interface 122 and the first throttle 14.
It can be understood that through setting up refrigerant cross valve 12, and then make passenger cabin temperature adjustment mechanism 10 possess the refrigeration simultaneously and heat the function, realize the refrigeration and the heating to passenger cabin, for heating through the electrical heating, the improvement that is showing heats the energy efficiency ratio, simultaneously through plate heat exchanger mechanism 40, can also heat power battery with the heat pump mode, promote power battery's duration.
Referring to fig. 1 and 3 in combination, in some embodiments, the passenger compartment temperature adjustment mechanism 10 further includes: a second throttle valve 16 and a regenerator 17; one end of the second throttle valve 16 is connected with the indoor heat exchanger 13; the regenerator 17 includes a first regenerative branch 171 and a second regenerative branch 172, the first regenerative branch 171 is connected between the first throttle valve 14 and the second throttle valve 16, and one end of the second regenerative branch 172 is connected to the third refrigerant port 123; the plate heat exchanger mechanism 40 is connected between the first heat recovery branch 171 and the second refrigerant interface 122.
It can be understood that the second throttle valve 16 is arranged, so that the on-off of the indoor heat exchanger 13 can be controlled, and the compressor 11 can be separately connected with the plate heat exchanger mechanism 40, so that the power battery can be heated or cooled by the compressor 11; meanwhile, the heat regenerator 17 is arranged, so that the refrigerant is ensured to be fully phase-changed, and the service life of the compressor 11 is protected.
It should be noted that the cooling fluid includes, but is not limited to, water or cooling oil, the refrigerant includes, but is not limited to, carbon dioxide or freon, and the refrigerant in this embodiment is preferably CO 2 But CO 2 The critical temperature of the refrigerant is 31.1 ℃, the critical pressure of the refrigerant is 7.37MPa, and the conventional refrigeration system can not effectively lead CO 2 The refrigerant is liquefied, in the embodiment, the heat regenerator is additionally arranged, and the refrigerant is controlled to pass through the heat regenerator when heated and cooled, so that the CO can be liquefied no matter the refrigerant is cooled or heated 2 To obtainEffective and sufficient cooling, the refrigerant is cooled to a liquid state, and the COP of the passenger compartment temperature adjusting mechanism 10 is greatly improved.
Referring to fig. 1 and 3 in combination, in other embodiments, the passenger compartment temperature adjustment mechanism 10 further includes: a gas-liquid separator 18, wherein the gas-liquid separator 18 is connected between the second regenerative branch 172 and the low pressure port 112. By arranging the gas-liquid separator 18, the gas-liquid separation of the refrigerant is further ensured, and the normal operation of the passenger compartment temperature adjusting mechanism 10 is ensured.
Referring to fig. 1 and 3 in combination, in some embodiments, the passenger compartment temperature adjustment mechanism 10 includes: the system comprises a compressor 11, a refrigerant four-way valve 12, an indoor heat exchanger 13, a second throttle valve 16, a heat regenerator 17, a first throttle valve 14, an outdoor heat exchanger 15 and a gas-liquid separator 18; the compressor 11 is provided with a high-pressure port 111 and a low-pressure port 112; the refrigerant four-way valve 12 is provided with a refrigerant first interface 121, a refrigerant second interface 122, a refrigerant third interface 123 and a refrigerant fourth interface 124, and the heat regenerator 17 comprises a first heat recovery branch 171 and a second heat recovery branch 172; the refrigerant first port 121 is connected to the high-pressure port 111, the refrigerant second port 122 is connected to one end of the indoor heat exchanger 13, the refrigerant third port 123 is connected to one end of the second regenerative branch 172, and the refrigerant fourth port 124 is connected to one end of the outdoor heat exchanger 15; the first heat recovery branch 171 is connected between the second throttle valve 16 and the first throttle valve 14, the second heat recovery branch 172 is connected between the third refrigerant port 123 and the gas-liquid separator 18, and the other end of the gas-liquid separator 18 is connected to the low-pressure port 112; one end of the first throttle valve 14 is connected with the other end of the indoor heat exchanger 13; the outdoor heat exchanger 15 is connected between the first throttle valve 14 and the fourth refrigerant port 124; namely, the indoor heat exchanger 13, the second throttle valve 16, the first heat recovery branch 171, the first throttle valve 14 and the outdoor heat exchanger 15 are connected in sequence; the plate heat exchanger mechanism 40 is connected between the second refrigerant interface 122 and the first throttle 14.
When cooling, the compressor 11 compresses a refrigerant, and the refrigerant sequentially passes through the high-pressure port 111, the first refrigerant interface 121, the fourth refrigerant interface 124, the outdoor heat exchanger 15, the first throttle valve 14, the first heat recovery branch 171, the second throttle valve 16, the indoor heat exchanger 13, the second refrigerant interface 122, the third refrigerant interface 123, the second heat recovery branch 172, the gas-liquid separator 18 and the low-pressure port 112; when the power battery needs to be cooled synchronously, the refrigerant flows out of the first heat recovery branch 171 and then is divided into two branches, one branch of the refrigerant flows through the second throttle valve 16 and the indoor heat exchanger 13, and the other branch of the refrigerant flows through the plate heat exchanger mechanism 40, and then the refrigerant is converged to the refrigerant second interface 122 again; and the cooling liquid in the battery temperature adjusting mechanism 20 exchanges heat with the refrigerant at the plate type heat exchanger mechanism 40 to reduce the temperature, so as to cool the power battery.
When heating is performed, the compressor 11 compresses a refrigerant, and the refrigerant sequentially passes through the high-pressure port 111, the first refrigerant interface 121, the second refrigerant interface 122, the indoor heat exchanger 13, the second throttle valve 16, the first heat recovery branch 171, the first throttle valve 14, the outdoor heat exchanger 15, the fourth refrigerant interface 124, the third refrigerant interface 123, the second heat recovery branch 172, the gas-liquid separator 18 and the low-pressure port 112; when the power battery needs to be heated synchronously, the refrigerant flows out from the refrigerant second interface 122 and then is divided into two branches, one branch of the refrigerant flows through the indoor heat exchanger 13 and the second throttle valve 16, the other branch of the refrigerant flows through the refrigerant branch 411, and then the refrigerant is converged to the first heat recovery branch 171 again; the coolant in the battery temperature adjustment mechanism 20 exchanges heat with the coolant at the coolant branch 411 to increase the temperature, and further heats the power battery.
It can be seen that the first throttle valve 14 and the second throttle valve 16 are arranged, so that the regenerator 17 is protected, and the normal operation of the passenger compartment temperature adjusting mechanism 10 is ensured; the passenger compartment temperature adjustment mechanism 10 can synchronously cool or heat the power battery.
Referring to fig. 1 in combination, in other embodiments, the plate heat exchanger mechanism 40 includes: a plate heat exchanger 41 and a third throttle valve 42; the plate heat exchanger 41 is provided with a refrigerant branch 411 and a battery branch 412, one end of the refrigerant branch 411 is connected with the refrigerant second interface 122, and the battery branch 412 is connected with the battery temperature adjusting mechanism 20; the third throttle valve 42 is connected between the refrigerant branch 411 and the first heat recovery branch 171.
It can be understood that, by providing the third throttle valve 42, the on-off of the refrigerant branch 411 can be further controlled, when the third throttle valve 42 is in a closed state, no refrigerant flows through the plate heat exchanger 41, that is, the battery temperature adjustment mechanism 20 is not associated with the passenger compartment temperature adjustment mechanism 10, and no heat exchange is performed between the battery temperature adjustment mechanism 20 and the passenger compartment temperature adjustment mechanism 10; after the third throttle valve 42 is opened, if the passenger compartment temperature adjusting mechanism 10 is opened, a refrigerant flows through the plate heat exchanger 41; specifically, a cooling medium flows through the cooling medium branch 411, and exchanges heat with the battery branch 412 through the cooling medium branch 411, so that the association between the battery temperature adjustment mechanism 20 and the passenger compartment temperature adjustment mechanism 10 is realized.
Referring to fig. 1 and 4 in combination, in other embodiments, the battery temperature adjusting mechanism 20 includes: a first water pump 21 and a battery heat exchanger 22; one end of the first water pump 21 is connected with one end of the battery branch 412; one end of the battery heat exchange piece 22 is connected with the first water pump 21; the liquid path four-way valve 60 is provided with a liquid path first interface 61, a liquid path second interface 62, a liquid path third interface 63 and a liquid path fourth interface 64; the other end of the battery heat exchange piece 22 is connected with the liquid path fourth interface 64; the other end of the battery branch 412 is connected with the first liquid path interface 61; the expansion tank 70 is connected between the fluid path fourth port 64 and the battery heat exchange element 22.
It can be understood that the expansion water tank 70 provides the cooling liquid for the battery temperature adjusting mechanism 20, the battery temperature adjusting structure and the battery branch 412 form a closed loop pipeline, and the first water pump 21 is used for driving the cooling liquid to circulate in the battery temperature adjusting structure and the battery branch 412; the coolant is heat exchanged at the battery heat exchanger 22 and then exchanged again at the battery branch 412; specifically, when the cooling liquid absorbs heat at the battery heat exchange member 22, the cooling liquid releases heat and cools at the battery branch 412; when the coolant releases heat at the battery heat exchanger 22, the coolant absorbs heat at the battery branch 412; meanwhile, the association between the battery temperature adjusting structure and the motor electrically-controlled temperature adjusting mechanism 30 is realized by arranging the liquid path four-way valve 60, that is, the cooling liquid can circularly flow in the battery temperature adjusting structure and the motor electrically-controlled temperature adjusting mechanism 30 through the liquid path four-way valve 60, so that the heat generated by the motor electrically-controlled structure is recycled.
It should be noted that a liquid inlet pipeline and a liquid outlet pipeline are respectively arranged between the expansion kettle 70 and the battery temperature regulating mechanism 20 and between the expansion kettle 70 and the motor electrically-controlled temperature regulating mechanism 30, the cooling liquid flows out of the expansion kettle 70 through the liquid outlet pipeline, and the cooling liquid enters the expansion kettle 70 through the liquid inlet pipeline; and further, heat of the electric control structure of the motor is recycled, and heating of the power battery is guaranteed.
Referring to fig. 1 and 4 in combination, in other embodiments, the battery temperature adjusting mechanism 20 further includes: a PTC electrical heating element 23, wherein the PTC electrical heating element 23 is disposed between the battery branch 412 and the first liquid path interface 61.
It can be understood that, by arranging the PTC electric heating element 23, when the power battery needs to be heated, the heat source of the coolant is diversified, and the heat pump of the passenger compartment temperature adjusting mechanism 10 can be used for heating, the PTC electric heating element 23 can be used for heating, and the heat pump of the passenger compartment temperature adjusting mechanism 10 and the PTC electric heating element 23 can be used for heating simultaneously, so as to ensure that the power battery can be heated effectively and immediately.
Referring to fig. 1 and 5 in combination, in other embodiments, the electrically controlled temperature adjustment mechanism 30 includes: a second water pump 31, a motor electric control heat exchange member 32, an outdoor radiator 33 and a three-way valve 34; one end of the second water pump 31 is connected with the third interface 63 of the liquid path; one end of the motor electrically-controlled heat exchange piece 32 is connected with the other end of the second water pump 31; one end of the outdoor radiator 33 is connected with the other end of the motor electric control heat exchange piece 32; the three-way valve 34 is provided with a first three-way connector 341, a second three-way connector 342 and a third three-way connector 343; the other end of the electric-motor-controlled heat exchange element 32 is further connected to the third three-way connector 343, the other end of the outdoor radiator 33 is connected to the second three-way connector 342, the first three-way connector 341 is connected to the liquid path second connector 62, and the expansion kettle 70 is further connected between the liquid path third connector 63 and the electric-motor-controlled heat exchange element 32.
It can be understood that the motor electric control structure mainly needs heat dissipation, and therefore, the motor electric control temperature adjusting mechanism 30 mainly dissipates heat for the motor electric control structure; the second water pump 31 drives the cooling liquid to flow in the motor electrically-controlled temperature adjusting mechanism 30, and the expansion water kettle 70 provides the cooling liquid for the motor electrically-controlled temperature adjusting mechanism 30 and can also store the cooling liquid in the motor electrically-controlled temperature adjusting mechanism 30 and the battery temperature adjusting mechanism 20; the cold source of the cooling liquid in the electric-controlled motor temperature adjusting mechanism 30 is from outdoor air, and the heat electrically controlled by the motor is discharged to the external environment through the outdoor cooling fan 50; further, by setting the three-way valve 34, the coolant can be controlled not to pass through the outdoor radiator 33, so that the waste heat of the electric control structure of the motor can be recycled, for example, the heated coolant can be temporarily stored in the expansion water kettle 70, the expansion water kettle 70 has a certain heat preservation and insulation effect, and can also directly enter the battery temperature adjusting mechanism 20 through the liquid path four-way valve 60 to heat and adjust the temperature of the power battery, so that the consumption of the electric quantity of the power battery is reduced, and the cruising ability of the power battery is improved.
Referring to fig. 1, in some embodiments, the outdoor heat dissipation fan 50 is disposed at the outdoor heat exchanger 15 and the outdoor heat sink 33; and further, the consumption of the electric quantity of the power battery is reduced, and the cruising ability of the power battery is improved.
Referring to fig. 10 in combination, in some embodiments, the passenger compartment temperature adjusting mechanism 10 further includes a solenoid valve 191, an indoor heat sink 192, and an indoor fan 193, one end of the solenoid valve 191 is connected between the battery branch 412 and the PTC electric heating element 23, the other end of the solenoid valve 191 is connected to one end of the indoor heat sink 192, the other end of the indoor heat sink 192 is connected between the battery branch 412 and the first water pump 21, the indoor fan 193 is disposed at the indoor heat sink 192, and the indoor heat sink 192 and the indoor heat exchanger 13 share the indoor fan 193. It is understood that the indoor radiator 192 and the path 412 of the battery are connected in parallel between the PTC electric heating element 23 and the first water pump 21; the passenger compartment temperature adjusting mechanism 10 is further provided with an electromagnetic valve 191, an indoor radiator 192 and an indoor fan 193, and the indoor radiator 192 is connected with the battery temperature adjusting mechanism 20, so that heat generated by a power battery can be recovered to the passenger compartment to heat the passenger compartment; and, through the four-way valve 60 of liquid path, communicate with said electric control thermoregulation mechanism 30 of electrical machinery, and then can recycle the heat that the electric control structure of electrical machinery produces to the passenger's cabin, heat the passenger's cabin, and then can be under the prerequisite of closing the temperature regulation mechanism 10 of passenger's cabin, further avoid the power consumption of the power battery, promote the duration of the power battery. The integrated heat pump thermal management system 1 provided in the first embodiment of the present invention is further described in detail with reference to specific embodiments, wherein the cooling fluid includes, but is not limited to, water or cooling oil, and the refrigerant includes, but is not limited to, carbon dioxide or freon.
The first embodiment is as follows:
referring to fig. 1 and fig. 6 in combination, the vehicle operation passenger compartment refrigeration and motor electronic control heat dissipation mode of the integrated heat pump heat management system 1 in the present embodiment is implemented; the integrated heat pump thermal management system 1 controls the passenger compartment temperature adjusting mechanism 10 and the motor electrically-controlled temperature adjusting mechanism 30 to operate simultaneously, closes the plate heat exchanger mechanism 40, controls the first throttle valve 14 to be fully opened, does not have a throttling effect at the moment, then controls the refrigerant first interface 121 and the refrigerant fourth interface 124 of the refrigerant four-way valve 12 to be communicated, and controls the refrigerant second interface 122 and the refrigerant third interface 123 to be communicated, specifically as follows:
the compressor 11 compresses a refrigerant into a high-temperature high-pressure gaseous refrigerant, the refrigerant sequentially passes through the refrigerant first interface 121 and the refrigerant fourth interface 124, enters the outdoor heat exchanger 15, is cooled to a medium-temperature high-pressure liquid refrigerant by heat dissipation of the outdoor heat exchanger 15 through the outdoor heat dissipation fan 50, sequentially passes through the first throttle valve 14 and the first heat recovery branch 171, reaches the second throttle valve 16, is throttled and depressurized by the second throttle valve 16, is changed into a low-temperature low-pressure liquid state, enters the indoor heat exchanger 13, absorbs heat of a passenger compartment at the indoor heat exchanger 13, is gasified into a low-temperature low-pressure gaseous refrigerant, absorbs ambient heat of the passenger compartment, and completes cooling and refrigeration of the passenger compartment, and then the low-temperature low-pressure gaseous refrigerant sequentially passes through the refrigerant second interface 122, the refrigerant third interface 123, the second throttle valve and the second throttle valve, The second regenerative branch 172, the gas-liquid separator 18 and the low-pressure port 112, are recycled to the compressor 11 again; the refrigerant is heated and re-gasified in the second regenerative branch 172, so that a part of liquid refrigerant is prevented from remaining in the refrigerant, and meanwhile, the refrigerant flowing back to the compressor 11 is completely in a gaseous state under the separation effect of the gas-liquid separator 18.
Particularly, when the system refrigerant is CO 2 During the cooling, the refrigerant can not be completely liquefied in the outdoor heat exchanger 15, at this time, the gaseous refrigerant can be further cooled by the heat regenerator 17, so that a liquid refrigerant is obtained, and then the liquid refrigerant is throttled and depressurized by the throttle valve 16 to enter the indoor heat exchanger 13 to be evaporated and absorb heat, so that the refrigeration and cooling of the passenger compartment are completed.
When the motor electrically-controlled temperature adjusting mechanism 30 operates, the coolant in the expansion water kettle 70 enters the motor electrically-controlled temperature adjusting mechanism 30 under the action of the second water pump 31, controls the first three-way connector 341 and the second three-way connector 342 of the three-way valve 34 to be communicated, sequentially flows through the motor electrically-controlled heat exchanging element 32, the outdoor radiator 33, the first three-way connector 341 and the second three-way connector 342 under the action of the second water pump 31, and circulates to the second water pump 31 again; when the cooling liquid reaches the electric control heat dissipation part of the motor, the heat of the electric control structure of the motor is absorbed to dissipate heat of the electric control structure of the motor, and when the cooling liquid flows through the outdoor heat sink 33, the cooling liquid is synchronously dissipated by the outdoor heat dissipation fan 50, namely, the outdoor heat dissipation fan 50 simultaneously dissipates the cooling liquid in the outdoor heat sink 33 and the refrigerant in the outdoor heat exchanger 15; after the cooling liquid flows back to the second water pump 31, the cooling liquid circularly absorbs heat again through the motor electric control heat exchange part 32, so that the heat dissipation of the motor electric control structure is kept, meanwhile, the consumption of the electric quantity of the power battery is reduced, and the cruising ability of the power battery is improved.
The second embodiment is as follows:
referring to fig. 1 and fig. 7 in combination, in the present embodiment, the integrated heat pump thermal management system 1 is applied to a vehicle, and only operates two modes of a power battery cooling mode and a motor electric control heat dissipation mode; the cold source for the power battery refrigeration is the heat pump of the passenger compartment temperature adjusting mechanism 10, that is, the passenger compartment temperature adjusting mechanism 10 operates, but does not cool the passenger compartment, but cools the coolant in the motor electric control temperature adjusting mechanism 30 through the plate heat exchanger mechanism 40; simultaneously, the automatically controlled structure of motor also synchronous operation, specifically as follows:
at the moment, the passenger compartment cold and hot air conditioning junction controls to close the second throttle valve 16, open the plate heat exchanger mechanism 40 and fully open the first throttle valve 14, and at the moment, the first throttle valve 14 has no throttling function; the refrigerant sequentially flows through the high-pressure port 111, the first refrigerant interface 121, the fourth refrigerant interface 124, the outdoor heat exchanger 15, the first throttle valve 14, the first heat recovery branch 171, the third throttle valve 42, the refrigerant branch 411, the second refrigerant interface 122, the third refrigerant interface 123, the second heat recovery branch 172, the gas-liquid separator 18 and the low-pressure port 112 under the action of the compressor 11; the refrigerant absorbs heat and is gasified in the heating branch of the plate heat exchanger 41, so as to cool the battery branch 412, so that the coolant in the battery temperature adjusting mechanism 20 releases heat and is cooled when flowing through the battery branch 412, and the high-temperature coolant is changed into the low-temperature coolant; specifically, the coolant flows through the battery heat exchange element 22 under the action of the first water pump 21, absorbs heat to cool the power battery, then enters the battery branch 412 again through the fourth interface 64 of the liquid path and the first interface 61 of the liquid path to be cooled, and then circularly cools the power battery again under the action of the first water pump 21; by utilizing a heat pump mode, a cold source is provided for cooling liquid in the battery temperature adjusting mechanism 20 through the plate type heat exchanger mechanism 40, the power battery is subjected to heat absorption and cooling in a high energy-efficiency ratio mode, the passenger compartment temperature adjusting mechanism 10 and the battery temperature adjusting mechanism 20 are operated in a correlated mode, the performance of the power battery is guaranteed, the endurance of the power battery is prevented from being influenced by high temperature, the consumption of the electric quantity of the power battery is reduced, and the endurance capacity of the power battery is improved. The operation mode of the motor electrically-controlled temperature adjustment mechanism 30 is the same as that of the motor electrically-controlled temperature adjustment mechanism 30 in the first specific embodiment, which is specifically referred to in the first specific embodiment, and is not described in detail in this embodiment.
The third concrete example:
referring to fig. 1, in the vehicle to which the integrated heat pump thermal management system 1 of the present embodiment is applied, the passenger compartment refrigeration mode, the power battery refrigeration mode and the motor electrically-controlled heat dissipation mode are simultaneously performed, wherein the operation modes of the battery temperature adjustment mechanism 20 and the motor electrically-controlled temperature adjustment mechanism 30 of the present embodiment are the same as those of the second embodiment, and specifically, refer to the second embodiment for detail; the operation of the passenger compartment temperature adjustment mechanism 10 is as follows:
controlling the first throttle valve 14 to be fully opened, wherein the first throttle valve 14 has no throttling function, and the second throttle valve 16 and the third throttle valve 42 are partially opened to keep the throttling and pressure reducing functions; the refrigerant passes through a high-pressure port 111, a first refrigerant interface 121, a fourth refrigerant interface 124, an outdoor heat exchanger 15, a first throttle valve 14 and a first heat recovery branch 171 in sequence under the action of the compressor 11, after flowing out of the first heat recovery branch 171, the refrigerant is divided into two branches, one branch of the refrigerant flows through a second throttle valve 16 and an indoor heat exchanger 13, the other branch of the refrigerant flows through a third throttle valve 42 and a refrigerant branch 411, then the refrigerant is converged to the second refrigerant interface 122 again, then the refrigerant flows through a third refrigerant interface 123, a second heat recovery branch 172, a gas-liquid separator 18 and a low-pressure port 112 in sequence, and then the refrigerant flows back to the compressor 11 again to start the next cycle; the association among the battery temperature adjusting mechanism 20, the motor electric control temperature adjusting mechanism 30 and the passenger compartment temperature adjusting mechanism 10 is realized, the consumption of the electric quantity of the power battery is reduced, and the cruising ability of the power battery is improved.
The fourth concrete embodiment:
referring to fig. 1 and fig. 8 in combination, in the vehicle to which the integrated heat pump thermal management system 1 of the present embodiment is applied, the passenger compartment cooling mode and the power battery heating mode are operated simultaneously, and the operation manner of the passenger compartment temperature adjustment mechanism 10 of the present embodiment is the same as that of the first embodiment, and specifically, refer to the first embodiment for details.
When the battery temperature adjusting mechanism 20 operates, the coolant passes through the battery heat exchanging element 22, the liquid path fourth interface 64, the liquid path first interface 61, the PTC electric heating element 23 and the battery branch 412 in sequence under the driving of the first water pump 21, the coolant is heated and warmed at the PTC electric heating element 23, the high-temperature coolant releases heat at the battery heat exchanging element 22 to heat the power battery, and then the coolant is circulated to the PTC electric heating element 23 again to complete the circulation heating of the power battery.
Furthermore, when the PTC electric heating element 23 is used for heating, the heat of the electric control structure of the motor can be utilized; specifically, the coolant passes through the battery heat exchange element 22, the liquid path fourth interface 64, the liquid path third interface 63, the second water pump 31, the motor electrically-controlled heat exchange element 32, the third three-way interface 343, the first three-way interface 341, the liquid path second interface 62, the liquid path first interface 61, the PTC electrical heating element 23, and the battery branch 412 in sequence under the driving of the first water pump 21, so as to complete a cycle; the cooling liquid is heated and heated at the electric control structure of the motor and the PTC electric heating elements 23, the high-temperature cooling liquid releases heat at the battery heat exchange elements 22 to heat the power battery, and then the high-temperature cooling liquid circulates to the electric control structure of the motor and the PTC electric heating elements 23 again to complete the circulating heating of the power battery. The consumption of the electric quantity of the power battery is further reduced, and the cruising ability of the power battery is improved.
It should be noted that, when the motor electric control structure is utilized, whether the PTC electric heating element 23 is turned on or not can be determined according to needs, so that the waste heat of the motor electric control structure is effectively recycled, the power consumption of the power battery is further reduced, and the cruising ability of the power battery is improved.
The fifth concrete example:
referring to fig. 1 and fig. 6 in combination, in the embodiment, the integrated heat pump thermal management system 1 is applied to a vehicle, and operates the passenger compartment heating mode and the motor electrically-controlled heat dissipation mode, wherein the operation mode of the motor electrically-controlled heat dissipation mode is the same as that in the first embodiment, and specifically, please refer to the first embodiment.
The compressor 11 compresses a high-temperature and high-pressure gaseous refrigerant, and the high-temperature and high-pressure gaseous refrigerant sequentially passes through the high-pressure port 111, the first refrigerant interface 121 and the second refrigerant interface 122 to reach the indoor heat exchanger 13, and the high-temperature and high-pressure gaseous refrigerant releases heat at the indoor heat exchanger 13 to heat air in the passenger compartment, then the refrigerant is changed into a medium-temperature high-pressure liquid refrigerant, and after the refrigerant passes through the fully-opened second throttle valve 16 and the first heat recovery branch 171 in sequence, enters a first throttling valve 14, is throttled and cooled by the first throttling valve 14, is changed into a low-temperature and low-pressure liquid refrigerant, then reaches an outdoor heat exchanger 15, under the action of the outdoor cooling fan 50, the heat is absorbed and gasified into a low-temperature low-pressure gaseous refrigerant, and finally the gaseous refrigerant flows back to the compressor 11 after sequentially passing through the fourth refrigerant interface 124, the third refrigerant interface 123, the second regenerative branch 172, the gas-liquid separator 18 and the low-pressure port 112, so that the passenger compartment is ensured to be heated continuously in a circulating manner.
When the power battery needs to be heated synchronously, the refrigerant flows out of the refrigerant second interface 122 and then is divided into two branches, one branch of the refrigerant flows through the indoor heat exchanger 13 and the fully-opened second throttle valve 16, and the other branch of the refrigerant flows through the refrigerant branch 411 and the fully-opened third throttle valve 42, and then flows to the first heat recovery branch 171 again; when the coolant in the battery temperature adjusting mechanism 20 passes through the battery branch 412, the coolant exchanges heat with the refrigerant branch 411 to raise the temperature, so as to heat the power battery, thereby reducing the consumption of the electric quantity of the power battery and improving the cruising ability of the power battery.
The sixth specific embodiment:
referring to fig. 1, the integrated heat pump thermal management system 1 in the present embodiment is applied to a vehicle, and operates the passenger compartment heating mode, the power battery heating mode, and the motor electrically-controlled heat dissipation mode, and the operation manner of the motor electrically-controlled heat dissipation mode in the present embodiment is the same as that in the fifth embodiment, and refer to the fifth embodiment specifically. When the power battery is heated, synchronously controlling the third throttle valve 42 to be fully opened, so that the plate heat exchanger mechanism 40 is in an open state; at this time, when the passenger compartment temperature adjusting mechanism 10 is operated to generate heat, the refrigerant is split into two branches after flowing through the refrigerant second interface 122, one branch of the refrigerant flows through the indoor heat exchanger 13 and the second throttle 16, and the other branch of the refrigerant flows through the refrigerant branch 411 and the third throttle 42, and then is converged to the first heat recovery branch 171 again; it can be known that the refrigerant releases heat when flowing through the refrigerant branch 411, so as to heat the coolant in the battery branch 412, and when the coolant flows through the power battery heat exchange element 22 under the driving of the first water pump 21, the coolant heats the power battery, and then circulates to the battery branch 412 again through the liquid path fourth interface 64, the liquid path first interface 61 and the PTC heating element, so as to realize the heat pump cycle heating of the power battery; and for the PTC heating element, whether the PTC heating element is started or not is determined according to the heating requirement of the power battery, so that the heating efficiency and the heating effect of the power battery are improved, and the thermal correlation among the passenger compartment temperature adjusting mechanism 10, the battery temperature adjusting mechanism 20 and the motor electric control temperature adjusting mechanism 30 is realized.
The seventh specific embodiment:
referring to fig. 1 and 4, in the embodiment of the application of the integrated heat pump thermal management system 1 to a vehicle, only when the PTC is turned on to provide a heat source for the battery, the passenger compartment temperature adjusting mechanism 10 and the motor-controlled temperature adjusting mechanism 30 are turned off, the battery temperature adjusting mechanism 20 is turned on, and the power battery is heated, which is as follows:
under the driving of the first water pump 21, the coolant flows through the PTC heating element, the battery branch 412, the first water pump 21 and the power battery heat exchange element 22 in sequence, and is heated and warmed up at the PTC heating element, when the power battery heat exchange element 22 is located, the high-temperature coolant releases heat to heat the power battery, so as to heat the power battery, and after flowing out of the power battery heat exchange element 22, the coolant can flow through the expansion kettle 70, the liquid path fourth interface 64 and the liquid path first interface 61, and then flows back into the PTC heating element to be heated again; or after flowing out of the power battery heat exchange element 22, the cooling liquid flows through the liquid path fourth interface 64 and the liquid path first interface 61, and flows back to the PTC heating element to be heated again; and then the power battery is circularly heated again, so that the endurance mileage of the power battery is guaranteed.
The eighth embodiment:
referring to fig. 1 and fig. 9, in the present embodiment, the integrated heat pump thermal management system 1 is applied to a vehicle, operates a passenger compartment heating mode, a power battery heating mode and a motor electric control heat dissipation mode, and recovers heat generated by the motor electric control structure and heats the power battery; the operation mode of the passenger compartment temperature adjustment mechanism 10 is the same as that in the sixth embodiment, which is not described in detail in this embodiment, and the operation modes of the battery temperature adjustment mechanism 20 and the motor electrically-controlled heat dissipation structure are specifically as follows:
the cooling liquid circulates in the battery temperature adjusting mechanism 20 and the motor electrically-controlled heat dissipation structure, flows through the motor electrically-controlled heat exchange member 32, absorbs heat generated by the motor electrically-controlled structure, then directly flows to the power battery heat exchange member 22 through the liquid path four-way valve 60, heats the power battery, and then circulates to the motor electrically-controlled heat exchange member 32 again. Specifically, the fourth liquid path port 64 of the liquid path four-way valve 60 is communicated with the third liquid path port 63, the second liquid path port 62 is communicated with the first liquid path port 61, and the third three-way port 343 of the liquid path three-way valve 34 is communicated with the first three-way port 341.
The coolant flows through the power battery heat exchange element 22, the liquid path fourth interface 64, the liquid path third interface 63, the second water pump 31, the motor electrically-controlled heat exchange element 32, the third three-way interface 343, the first three-way interface 341, the liquid path second interface 62, the liquid path first interface 61, the PTC heating element, the battery branch 412 and the first water pump 21 in sequence under the driving of the first water pump 21 and the second water pump 31, and then flows back to the power battery heat exchange element 22 again. When the cooling liquid is in the electric control heat exchange piece 32 of the motor, the cooling liquid absorbs the heat generated by the electric control structure of the motor, so that the waste heat of the electric control structure of the motor is recovered to heat the power battery; and for the PTC heating element, whether the PTC heating element is started or not is determined according to the heating requirement of the power battery, so that the heating efficiency and the heating effect of the power battery are improved, the thermal correlation between the battery temperature regulating mechanism 20 and the motor electric control temperature regulating mechanism 30 is realized, the consumption of the electric quantity of the power battery is further reduced, and the cruising ability of the power battery is improved.
The specific example is nine:
referring to fig. 10 in combination, in the embodiment, the integrated heat pump thermal management system 11 is applied to a vehicle, the compressor 11 of the passenger compartment temperature adjusting mechanism 10 is turned off, the motor electric-control temperature adjusting mechanism 30 and the battery temperature adjusting mechanism 20 are both operated to dissipate heat generated by the power battery and the motor, and to recover heat generated by the motor electric-control structure, so as to heat the passenger compartment, which is as follows:
the passenger compartment temperature adjusting mechanism 10 further includes a solenoid valve 191, an indoor radiator 192, and an indoor fan 193, one end of the solenoid valve 191 is connected between the battery branch 412 and the PTC electric heating element 23, the other end of the solenoid valve 191 is connected with one end of the indoor radiator 192, the other end of the indoor radiator 192 is connected between the battery branch 412 and the first water pump 21, the indoor fan 193 is disposed at the indoor radiator 192, and the indoor radiator 192 and the indoor heat exchanger 13 share the indoor fan 193; that is, the indoor radiator 192 and the path 412 of the battery are connected in parallel between the PTC electric heating member 23 and the first water pump 21.
The cooling liquid flows through the battery heat exchange part 22 under the action of the first water pump 21 to absorb heat and cool the power battery, then flows through the liquid path fourth interface 64 and the liquid path third interface 63 to enter the motor electric control temperature adjusting mechanism 30, and then flows through the cooling liquid in the expansion kettle 70 or the cooling liquid from the battery temperature adjusting mechanism 20 sequentially through the motor electric control heat exchange part 32, the third three-way interface 343 and the first three-way interface 341 under the action of the second water pump 31, wherein the cooling liquid absorbs heat of the motor electric control structure at the motor electric control heat exchange part 32 to dissipate heat of the motor electric control structure; finally, the cooling liquid enters the battery temperature adjusting mechanism 20 again through the liquid path second interface 62 and the liquid path first interface 61, enters the electromagnetic valve 191 and the indoor radiator 192 after passing through the closed-state PTC electric heating element 23, enters the passenger compartment temperature adjusting mechanism 10, and releases heat at the indoor radiator 192 under the action of the indoor fan 193 to heat the passenger compartment, so that the heat recovery and the reutilization of the power battery and the electric control structure of the motor are realized; then, the coolant is returned to the first water pump 21 again, and a new cycle is started. Finally, the power battery and the motor are cooled in an electric control mode, heat generated in the electric control mode of the power battery and the motor is recovered, heat generated in the electric control structure of the motor is recovered, the passenger compartment is heated, and the cruising ability of the power battery is improved.
The specific example is ten:
referring to fig. 11, in the embodiment of the integrated heat pump thermal management system 1, when the vehicle is used, the passenger compartment does not need to be cooled or heated, that is, the passenger compartment temperature adjustment mechanism 10 is turned off, and the motor electrically-controlled temperature adjustment mechanism 30 and the battery temperature adjustment mechanism 20 both operate to dissipate heat generated by the power battery and the motor electrically-controlled system, specifically as follows:
the coolant flows through the battery heat exchanging element 22 under the action of the first water pump 21 to absorb heat and cool the power battery, then flows through the liquid path fourth interface 64 and the liquid path third interface 63 to enter the motor electrically-controlled temperature adjusting mechanism 30, and then flows through the coolant in the expansion kettle 70 or the coolant from the battery temperature adjusting mechanism 20 sequentially through the motor electrically-controlled heat exchanging element 32, the outdoor radiator 33, the second three-way interface 342 and the first three-way interface 341 under the action of the second water pump 31, wherein the coolant absorbs heat of the motor electrically-controlled structure at the motor electrically-controlled heat exchanging element 32 to dissipate heat of the motor electrically-controlled structure, and is dissipated by the outdoor heat dissipating fan 50 at the outdoor radiator 33 to cool; finally, the cooling liquid enters the battery temperature adjusting mechanism 20 again through the liquid path second interface 62 and the liquid path first interface 61, and after passing through the closed-state PTC electric heating element 23, the cooling liquid flows back to the first water pump 21 again, and a new cycle of circulation is started; and finally, the power battery and the motor are subjected to electric control to dissipate heat.
The first specific embodiment:
referring to fig. 12, in the embodiment, the integrated heat pump thermal management system 1 is applied to a vehicle, a passenger compartment is operated to heat, that is, the passenger compartment temperature adjusting mechanism 10 heats, and both the motor electric-control temperature adjusting mechanism 30 and the battery temperature adjusting mechanism 20 operate to dissipate heat generated by the power battery and the motor electric control; the heating of the passenger compartment temperature adjusting mechanism 10 is the same as that in the fifth embodiment, and the operation modes of the motor electrically-controlled temperature adjusting mechanism 30 and the battery temperature adjusting mechanism 20 are the same as those in the tenth embodiment, which are not described in detail; it should be noted that, when the passenger compartment temperature adjustment mechanism 10 heats, the indoor heat exchanger 13 heats, and when the compression stage is opened for a long time, the surface of the outdoor heat exchanger 15 is frosted, and thus, defrosting is required, in order to ensure the indoor heating effect, the liquid path four-way valve 60 does not change the direction, defrosting is carried out by recovering the waste heat generated by the electric control of the motor and the heating of the power battery, when the cooling liquid flows through the outdoor radiator 33 of the motor electric control temperature adjusting mechanism 30, after the cooling air is blown by the outdoor fan, the cooling liquid releases heat, the cold air absorbs heat and becomes high-temperature air, the high-temperature air passes through the frosted outdoor heat exchanger 15 to melt the frost layer on the surface of the outdoor heat exchanger 15, therefore, the purposes of not reversing the liquid path four-way valve 60 and quickly defrosting are achieved, the waste heat generated by the electric control of the motor and the heating of the power battery is recycled, and the indoor heating effect is guaranteed. A ninth implementation of the invention also provides a vehicle, wherein the vehicle comprises an integrated heat pump thermal management system 1 as described in the first to eighth embodiments of the invention.
It can be understood that, according to the vehicle provided by the invention, by adopting the integrated heat pump thermal management system 1 provided by the invention, the temperature of the passenger compartment, the temperature of the power battery and the heat dissipation and the heat recovery of the motor electric control structure can be further realized, so that when the temperature of the passenger compartment is regulated, the heat pump of the passenger compartment temperature regulation mechanism 10 can be synchronously utilized to heat or cool the power battery, and the heat of the motor electric control structure can be recycled, so that the vehicle can uniformly relate the temperature regulation of the passenger compartment, the temperature regulation of the power battery and the heat dissipation of the motor electric control structure, the electric energy loss of the power battery is effectively reduced, and the cruising ability of the power battery is improved.
In summary, the present invention provides an integrated heat pump thermal management system and a vehicle, wherein the integrated heat pump thermal management system includes: the passenger compartment temperature adjusting mechanism is arranged on the vehicle and is used for adjusting the temperature of the passenger compartment of the vehicle; the battery temperature adjusting mechanism is arranged on the vehicle and used for adjusting the temperature of a passenger compartment of the vehicle; the motor electric control temperature adjusting mechanism is arranged at a motor electric control structure of the vehicle and is used for adjusting the temperature of the motor electric control structure of the vehicle; the passenger compartment temperature adjusting mechanism and the battery temperature adjusting mechanism share a plate heat exchanger mechanism, the passenger compartment temperature adjusting mechanism and the motor electric control temperature adjusting mechanism share an outdoor heat radiating fan, and the battery temperature adjusting mechanism and the motor electric control temperature adjusting mechanism are communicated through a liquid path four-way valve and share an expansion kettle. The passenger compartment temperature adjusting mechanism is arranged, so that heating or cooling can be performed on the passenger compartment of the vehicle; by arranging the battery temperature adjusting mechanism, the power battery of the vehicle can be cooled or heated, and the influence of the environment temperature on the cruising ability of the power battery is avoided; the motor electric control temperature adjusting mechanism is arranged, so that the motor electric control structure of the vehicle can be effectively radiated; meanwhile, the refrigerant and the cooling liquid simultaneously pass through the plate heat exchanger mechanism, and the plate heat exchanger mechanism shared by the passenger compartment temperature adjusting mechanism and the battery temperature adjusting mechanism is controlled, namely the plate heat exchanger mechanism is simultaneously connected with the passenger compartment temperature adjusting mechanism and the battery temperature adjusting mechanism, so that the cooling liquid in the battery temperature adjusting mechanism can be cooled or heated by using a heat pump of the passenger compartment temperature adjusting mechanism, the power battery is heated or cooled at a high energy efficiency ratio by using the heat pump of the passenger compartment temperature adjusting mechanism, the electric energy loss of the power battery is reduced, and the cruising ability of the power battery is improved; meanwhile, by arranging an outdoor radiating fan and controlling the passenger cabin temperature adjusting mechanism and the motor electric control temperature adjusting mechanism to share the outdoor radiating fan, the energy consumption of the passenger cabin temperature adjusting mechanism and the motor electric control temperature adjusting mechanism on the power battery is further reduced, and the cruising ability of the power battery is improved; through setting up the liquid way cross valve, and then realize battery temperature regulating mechanism with the automatically controlled temperature regulating mechanism of motor intercommunication is relevant, simultaneously through setting up the expansion kettle, and then can for battery temperature regulating mechanism with the automatically controlled temperature regulating mechanism of motor provides the coolant liquid, can retrieve through the coolant liquid again the heat that the automatically controlled structure of motor produced, and temporary storage with in the expansion kettle to can utilize the heat of retrieving to heat power battery, realize the recovery of waste heat, further promotion power battery's duration.
It will be understood that the invention is not limited to the examples described above, but that modifications and variations will occur to those skilled in the art in light of the above teachings, and that all such modifications and variations are considered to be within the scope of the invention as defined by the appended claims.

Claims (10)

1. An integrated heat pump thermal management system, comprising:
the passenger compartment temperature adjusting mechanism is arranged on the vehicle and used for adjusting the temperature of the passenger compartment of the vehicle;
the battery temperature adjusting mechanism is arranged on the vehicle and used for adjusting the temperature of the power battery of the vehicle;
the motor electric control temperature adjusting mechanism is arranged at a motor electric control structure of the vehicle and is used for adjusting the temperature of the motor electric control structure of the vehicle;
the passenger compartment temperature adjusting mechanism and the battery temperature adjusting mechanism share a plate heat exchanger mechanism, the passenger compartment temperature adjusting mechanism and the motor electric control temperature adjusting mechanism share an outdoor heat radiating fan, and the battery temperature adjusting mechanism and the motor electric control temperature adjusting mechanism are communicated through a liquid path four-way valve and share an expansion kettle.
2. The integrated heat pump thermal management system according to claim 1, wherein the passenger compartment temperature conditioning mechanism comprises:
a compressor provided with a high pressure port and a low pressure port;
the refrigerant four-way valve is provided with a refrigerant first interface, a refrigerant second interface, a refrigerant third interface and a refrigerant fourth interface, wherein the refrigerant first interface is connected with the high-pressure port, and the refrigerant third interface is connected with the low-pressure port;
one end of the indoor heat exchanger is connected with the second refrigerant interface;
one end of the first throttle valve is connected with the other end of the indoor heat exchanger;
the outdoor heat exchanger is connected between the first throttling valve and the fourth refrigerant interface;
the plate heat exchanger mechanism is connected between the refrigerant second interface and the first throttling valve.
3. The integrated heat pump thermal management system according to claim 2, wherein the passenger compartment temperature adjustment mechanism further comprises:
one end of the second throttling valve is connected with the indoor heat exchanger;
the heat regenerator comprises a first heat recovery branch and a second heat recovery branch, the first heat recovery branch is connected between the first throttling valve and the second throttling valve, and one end of the second heat recovery branch is connected with the third refrigerant interface;
the plate heat exchanger mechanism is connected between the first heat recovery branch and the second refrigerant interface.
4. The integrated heat pump thermal management system according to claim 3, wherein the passenger compartment temperature conditioning mechanism further comprises:
and the gas-liquid separator is connected between the second regenerative branch and the low-pressure port.
5. The integrated heat pump thermal management system of claim 3, wherein the plate heat exchanger mechanism comprises:
the plate heat exchanger is provided with a refrigerant branch and a battery branch, one end of the refrigerant branch is connected with the second refrigerant interface, and the battery branch is connected with the battery temperature adjusting mechanism;
and the third throttling valve is connected between the refrigerant branch and the first heat recovery branch.
6. The integrated heat pump thermal management system of claim 5, wherein the battery attemperation mechanism comprises:
one end of the first water pump is connected with one end of the battery branch;
one end of the battery heat exchange piece is connected with the first water pump;
the liquid path four-way valve is provided with a liquid path first interface, a liquid path second interface, a liquid path third interface and a liquid path fourth interface; the other end of the battery heat exchange piece is connected with the fourth interface of the liquid path; the other end of the battery branch is connected with the first interface of the liquid path; the expansion kettle is connected between the fourth interface of the liquid path and the battery heat exchange piece.
7. The integrated heat pump thermal management system of claim 6, wherein the battery attemperation mechanism further comprises:
PTC electric heating member, PTC electric heating member set up in the battery branch road with between the first interface of liquid circuit.
8. The integrated heat pump thermal management system of claim 7, wherein the electrically controlled attemperation mechanism comprises:
one end of the second water pump is connected with the third interface of the liquid path;
one end of the motor electric control heat exchange piece is connected with the other end of the second water pump;
one end of the outdoor radiator is connected with the other end of the motor electric control heat exchange piece;
the three-way valve is provided with a first three-way connector, a second three-way connector and a third three-way connector;
the other end of the electric control heat exchange piece of the motor is further connected with the third tee joint, the other end of the outdoor radiator is connected with the second tee joint, the first tee joint is connected with the second interface of the liquid path, and the expansion kettle is further connected between the third interface of the liquid path and the electric control heat exchange piece of the motor.
9. The integrated heat pump thermal management system of claim 8,
the outdoor heat dissipation fan is arranged at the outdoor heat exchanger and the outdoor radiator;
passenger compartment temperature adjustment mechanism still includes solenoid valve, indoor heat sink and indoor fan, the one end of solenoid valve connect in between battery branch road and the PTC electric heating spare, the other end of solenoid valve with the one end of indoor heat sink is connected, the other end of indoor heat sink connect with the battery branch road with between the first water pump, indoor fan set up in indoor heat sink department, just indoor heat sink with the sharing of indoor heat exchanger indoor fan.
10. A vehicle comprising an integrated heat pump thermal management system according to any of claims 1-9.
CN202210164517.9A 2022-02-22 2022-02-22 Integrated heat pump thermal management system and vehicle Pending CN115091915A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210164517.9A CN115091915A (en) 2022-02-22 2022-02-22 Integrated heat pump thermal management system and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210164517.9A CN115091915A (en) 2022-02-22 2022-02-22 Integrated heat pump thermal management system and vehicle

Publications (1)

Publication Number Publication Date
CN115091915A true CN115091915A (en) 2022-09-23

Family

ID=83287729

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210164517.9A Pending CN115091915A (en) 2022-02-22 2022-02-22 Integrated heat pump thermal management system and vehicle

Country Status (1)

Country Link
CN (1) CN115091915A (en)

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