CN111572313B - New energy automobile thermal management system using whole automobile waste heat - Google Patents
New energy automobile thermal management system using whole automobile waste heat Download PDFInfo
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- CN111572313B CN111572313B CN202010432927.8A CN202010432927A CN111572313B CN 111572313 B CN111572313 B CN 111572313B CN 202010432927 A CN202010432927 A CN 202010432927A CN 111572313 B CN111572313 B CN 111572313B
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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
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
- B60H1/00885—Controlling the flow of heating or cooling liquid, e.g. valves or pumps
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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
- B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
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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
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
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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
- B60H1/00271—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/04—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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- 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
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- 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
- H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
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- 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
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- 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
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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
- B60H1/00271—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
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- 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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Abstract
The invention relates to a new energy automobile heat management system utilizing the waste heat of the whole automobile, which comprises a motor, a battery heat dissipation loop, a battery heating loop, a passenger cabin heating loop and a passenger cabin refrigerating loop, wherein the battery heat dissipation loop is connected with the motor; the motor and battery heat dissipation loop comprises a radiator, a battery pack and a motor mechanism which are circularly communicated; the battery heating loop comprises a water heating heater, a first circulating pump, a battery pack and a motor mechanism which are sequentially and circularly communicated; the heating loop of the passenger cabin comprises a heating core, a second circulating pump, a battery pack, a motor mechanism and a water heating heater which are sequentially and circularly communicated; the passenger cabin refrigeration loop comprises an evaporator, a condensation mechanism and a first expansion valve which are sequentially communicated in a circulating manner. The invention aims to solve the problems of insufficient energy utilization, redundant structure and influence on the endurance mileage of an automobile caused by mutually independent work of an air conditioning system, a motor cooling system and a battery temperature control system in the prior art.
Description
Technical Field
The invention relates to the technical field of new energy automobiles, in particular to a new energy automobile thermal management system utilizing the waste heat of the whole automobile.
Background
With the continuous development of automobile technology, the energy and environmental problems are more prominent. Compared with the traditional vehicle, the new energy vehicle represented by the electric vehicle has the advantages of high energy utilization, no oil consumption and no tail gas, has received wide attention at home and abroad, and the development of the electric vehicle becomes one of the main directions of the future vehicle development. However, the current electric vehicle cannot completely meet all user requirements due to the problem of the endurance mileage, so that the energy of the whole vehicle needs to be comprehensively managed to further prolong the endurance mileage, and the energy utilization efficiency is improved.
The conventional automobile thermal management system of the electric automobile comprises an air conditioning system, a motor cooling system and a battery temperature control system. The motor cooling system and the battery temperature control system control the working temperatures of the motor and the battery, when the working temperatures of the motor and the battery are higher, heat is removed, and when the temperature of the battery is lower, heat is provided for the battery, so that the motor and the battery can work at a proper temperature; the air conditioning system provides a comfortable environment temperature for drivers and passengers, particularly provides a large amount of heat when the temperature is low in winter, is an auxiliary device with the largest energy consumption on the electric automobile, and seriously influences the endurance mileage of the electric automobile. Moreover, the three systems work separately and independently, the energy utilization is insufficient, and the structure is complicated.
Disclosure of Invention
Based on the technical scheme, the invention provides a new energy automobile heat management system utilizing the waste heat of the whole automobile, and aims to solve the problems that in the prior art, an air conditioning system, a motor cooling system and a battery temperature control system work independently, so that the energy utilization is insufficient, the structure is redundant, and the driving mileage of the automobile is influenced.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an utilize new energy automobile thermal management system of whole car waste heat, includes:
the motor and battery heat dissipation loop comprises a radiator, a battery pack and a motor mechanism which are circularly communicated;
the battery heating loop comprises a water heating heater, a first circulating pump, the battery pack and the motor mechanism which are sequentially communicated in a circulating manner;
the heating loop of the passenger cabin comprises a heating core, a second circulating pump, the battery pack, the motor mechanism and the water heating heater which are sequentially communicated in a circulating manner, wherein the heating core is used for providing heat for the passenger cabin; and the number of the first and second groups,
the passenger cabin refrigeration loop comprises an evaporator, a condensation mechanism and a first expansion valve which are sequentially communicated in a circulating manner, wherein the evaporator is used for providing cold energy for the passenger cabin.
Optionally, the motor and battery heat dissipation loop comprises a motor and battery low-temperature heat dissipation loop;
the motor and battery low-temperature heat dissipation loop comprises the radiator, the first circulating pump, the battery pack and the motor mechanism which are sequentially communicated in a circulating mode.
Optionally, the motor and battery heat dissipation loop comprises a motor and battery high-temperature heat dissipation loop;
the motor and battery high-temperature heat dissipation loop comprises a motor high-temperature heat dissipation loop and a battery high-temperature heat dissipation loop;
the motor high-temperature heat dissipation loop comprises the radiator, a third circulating pump and the motor mechanism which are sequentially communicated in a circulating manner;
the battery high-temperature heat dissipation loop comprises a battery pack, a battery cooler and a battery condenser, wherein the battery pack and the battery cooler are sequentially communicated in a circulating manner, and the battery cooler, the evaporator, the condensation mechanism and the second expansion valve are sequentially communicated in a circulating manner.
Optionally, the motor high-temperature heat dissipation loop comprises a main heat dissipation liquid outlet pipe communicated with the liquid outlet end of the radiator, and a main heat dissipation liquid return pipe communicated with the liquid return end of the radiator, the third circulating pump is arranged on the main heat dissipation liquid outlet pipe, and the motor mechanism is arranged on the main heat dissipation liquid return pipe.
Optionally, motor and battery low temperature heat dissipation return circuit are located including the intercommunication on the main heat dissipation drain pipe, and be close to the first electromagnetism three-way valve of the play liquid end of radiator, the intercommunication first electromagnetism three-way valve with the battery heat dissipation feed liquor pipe of the feed liquor end of battery package, and the intercommunication the battery heat dissipation drain pipe of the play liquid end of battery package, the battery heat dissipation drain pipe with liquid pipe intercommunication is returned in main heat dissipation, first circulating pump is located on the battery heat dissipation feed liquor pipe.
Optionally, the battery high-temperature heat dissipation loop includes a first battery cooling liquid outlet pipe communicated with the first liquid outlet end of the battery cooler, a second electromagnetic three-way valve communicated with the first battery cooling liquid outlet pipe and the battery heat dissipation liquid inlet pipe, a third electromagnetic three-way valve communicated with the battery heat dissipation liquid outlet pipe and close to the liquid outlet end of the battery pack, and a first battery cooling liquid return pipe communicated with the third electromagnetic three-way valve and the first liquid return end of the battery cooler;
battery high temperature heat dissipation return circuit still include with the second battery cooling drain pipe of the second play liquid end intercommunication of battery cooler, and intercommunication the second battery cooling return liquid pipe with the second battery cooling of liquid end is returned to the second of battery cooler returns the liquid pipe, the evaporimeter condensation mechanism locates in proper order on the second battery cooling drain pipe, the second expansion valve is located on the second battery cooling return liquid pipe.
Optionally, the battery heating circuit includes a water heating liquid outlet pipe communicated with the liquid outlet end of the water heating heater, a fourth electromagnetic three-way valve communicated with the water heating liquid outlet pipe and the battery heat dissipation liquid inlet pipe, a water heating liquid return pipe communicated with the liquid return end of the water heating heater, and a fifth electromagnetic three-way valve communicated with the water heating liquid return pipe, the main heat dissipation liquid return pipe, and close to the liquid return end of the radiator.
Optionally, passenger storehouse heating return circuit is including the intercommunication the hot core feed liquor pipe of the feed liquor end of heating core, the intercommunication hot core feed liquor pipe with the sixth electromagnetism three-way valve of battery heat dissipation feed liquor pipe, the intercommunication the hot core drain pipe of the play liquid end of heating core, the intercommunication hot core drain pipe with the seventh electromagnetism three-way valve of the feed liquor end of battery package, the intercommunication the play liquid end of battery package the battery heat dissipation drain pipe, through the fourth electromagnetism three-way valve intercommunication hot-water heating drain pipe with the battery heat dissipation feed liquor pipe, and pass through the fifth electromagnetism three-way valve intercommunication hot-water heating return pipe with main heat dissipation return pipe, the second circulating pump is located on the hot core drain pipe.
Optionally, passenger storehouse refrigeration circuit include with the evaporation drain pipe of the play liquid end intercommunication of evaporimeter, the intercommunication the evaporation drain pipe with the eighth electromagnetism three-way valve of second battery cooling drain pipe, with the evaporimeter feed liquor pipe of the feed liquor end intercommunication of evaporimeter, and the intercommunication the evaporimeter feed liquor pipe with the ninth electromagnetism three-way valve of second battery cooling liquid return pipe, first expansion valve is located on the evaporimeter feed liquor pipe.
Optionally, the motor mechanism comprises a charger, a controller and a driving motor which are sequentially communicated; the condensing mechanism comprises a compressor, a condenser and a liquid storage tank which are sequentially communicated.
In the technical scheme provided by the invention, the motor and the battery heat dissipation loop form a motor cooling system, the motor and the battery heat dissipation loop and the battery heating loop form a battery temperature control system, and the passenger compartment heating loop and the passenger compartment refrigerating loop form an air conditioning system, so that a radiator, a battery pack, a motor mechanism, a water heating heater, a heating core, an evaporator and a condensing mechanism can be coupled, and the motor cooling system, the battery temperature control system and the air conditioning system are coupled together. When the temperature is lower in winter, the waste heat of the battery pack and the motor mechanism is conveyed to a passenger compartment for heating, and when the battery pack needs to be heated, the waste heat generated by the motor mechanism is used for preheating, so that the energy consumption of a heating core in an air conditioning system is reduced; the motor mechanism and the battery pack are connected in series and share one radiator, so that the structure of the system is simplified. The new energy automobile thermal management system can provide a new solution for fully utilizing energy and prolonging the endurance mileage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a structural schematic view Jian Kuangtu of a new energy automobile thermal management system utilizing waste heat of a whole automobile according to the invention;
fig. 2 is a structural schematic view Jian Kuangtu of a new energy automobile thermal management system (when a low-temperature heat dissipation loop of a motor and a battery is formed) using waste heat of a whole automobile according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a thermal management system (when a high-temperature heat dissipation loop of a motor and a battery is formed) for a new energy vehicle using waste heat of the whole vehicle in an embodiment of the present invention, which is Jian Kuangtu;
fig. 4 is a structural schematic Jian Kuangtu of a new energy automobile thermal management system (when a battery heating loop is formed) using waste heat of a whole automobile according to an embodiment of the present invention;
fig. 5 is a structural schematic view Jian Kuangtu of a thermal management system (when a passenger compartment heating loop is formed) of a new energy vehicle using waste heat of the whole vehicle according to an embodiment of the present invention;
fig. 6 is a schematic and schematic structural block diagram of a thermal management system (when a passenger compartment refrigeration circuit is formed) of a new energy vehicle using waste heat of the whole vehicle according to an embodiment of the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, back, top, and bottom … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indication is changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1, the present invention provides a thermal management system for a new energy vehicle using the whole vehicle waste heat, including a motor and battery heat dissipation loop, a battery heating loop, a passenger compartment heating loop, and a passenger compartment cooling loop, where the motor and battery heat dissipation loop is used to dissipate heat of a motor mechanism and a battery pack, the battery heating loop is used to heat the battery pack, the passenger compartment heating loop is used to heat a passenger compartment, and the passenger compartment cooling loop is used to cool the passenger compartment.
Specifically, as shown in fig. 2 and fig. 3, the motor and battery heat dissipation loop may include a heat sink 1, a battery pack 15, and a motor mechanism, which are in circulation communication, and the heat may be dissipated from the battery pack 15 and the motor mechanism through the heat sink 1. Furthermore, as shown in fig. 4, the battery heating circuit includes a water heating heater 5, a first circulation pump 13, a battery pack 15 and a motor mechanism, which are sequentially and circularly communicated, the water heating heater 5 can be preheated by heat generated during operation of the motor mechanism, and the battery pack 15 is heated by the water heating heater 5. As shown in fig. 5, the passenger compartment heating circuit includes a heating core 11, a second circulation pump 7, a battery pack 15, a motor mechanism, and a hot-water heating heater 5, which are sequentially and circularly communicated, the hot-water heating heater 5 is heated by heat generated by the battery pack 15 and the motor mechanism, the heating core 11 is preheated by the hot-water heating heater 5, and the heating core 11 is used for providing heat for the passenger compartment, that is, heating the passenger compartment. Furthermore, as shown in fig. 6, the passenger compartment refrigeration circuit may include an evaporator 9, a condensing mechanism and a first expansion valve 8, which are sequentially and circularly communicated, the condensing mechanism may provide cooling fluid for the evaporator 9, and the evaporator 9 is used for providing cooling energy for the passenger compartment, that is, the evaporator 9 cools the passenger compartment by evaporating the cooling fluid.
In the technical scheme provided by the invention, the motor and the battery heat dissipation loop form a motor cooling system, the motor and the battery heat dissipation loop and the battery heating loop form a battery temperature control system, and the passenger compartment heating loop and the passenger compartment refrigerating loop form an air conditioning system, so that the radiator 1, the battery pack 15, the motor mechanism, the water heating heater 5, the heating core 11, the evaporator 9 and the condensing mechanism can be coupled together, and the motor cooling system, the battery temperature control system and the air conditioning system are coupled together. When the temperature is lower in winter, the waste heat of the battery pack 15 and the motor mechanism is conveyed to a passenger compartment for heating, and when the battery pack 15 needs to be heated, the waste heat generated by the motor mechanism is used for preheating, so that the energy consumption of the heating core 11 in the air conditioning system is reduced; the motor mechanism is connected with the battery pack 15 in series, and the heat radiator 1 is shared, so that the structure of the system is simplified. The new energy automobile thermal management system can provide a new solution for fully utilizing energy and prolonging the endurance mileage.
Further, as shown in fig. 2 to fig. 3, the heat dissipation circuit for the motor and the battery may include a low temperature heat dissipation circuit for the motor and the battery, and when the heat generated by the motor mechanism and the battery pack 15 is less, the low temperature heat dissipation mode may be activated to dissipate heat, that is, the low temperature heat dissipation circuit for the motor and the battery may be used to dissipate heat. Moreover, the motor and battery low-temperature heat dissipation loop can comprise a heat radiator 1, a first circulating pump 13, a battery pack 15 and a motor mechanism which are sequentially communicated in a circulating manner, namely, the heat radiator 1, the first circulating pump 13, the battery pack 15 and the motor mechanism are communicated to form a circulating heat dissipation loop, and the heat can be dissipated to the battery pack 15 and the motor mechanism through the heat radiator 1.
And the motor and battery heat dissipation loop can also comprise a motor and battery high-temperature heat dissipation loop, when the heat generated by the motor mechanism and the battery pack is increased and the low-temperature heat dissipation mode can not meet the heat dissipation requirement, the high-temperature heat dissipation mode is started, namely, the motor and battery high-temperature heat dissipation loop is utilized for heat dissipation. Moreover, the motor and battery high-temperature heat dissipation loop comprises a motor high-temperature heat dissipation loop and a battery high-temperature heat dissipation loop, wherein the motor high-temperature heat dissipation loop is used for performing high-temperature heat dissipation on the motor mechanism, and the battery high-temperature heat dissipation loop is used for performing high-temperature heat dissipation on the battery pack 15.
Further, the above-mentioned high-temperature heat dissipation loop of the motor may include a heat sink 1, a third circulation pump 14 and a motor mechanism which are sequentially and circularly communicated, that is, the heat of the motor mechanism is directly dissipated through the heat sink 1. Moreover, the battery high-temperature heat dissipation loop may include a battery pack 15 and a battery cooler 12 that are sequentially and circularly communicated, and a battery cooler 12, an evaporator 9, a condensing mechanism, and a second expansion valve 10 that are sequentially and circularly communicated. Can directly dispel the heat to battery package 15 through battery cooler 12, still cool off cooling fluid through condensation mechanism simultaneously to carry refrigerated cooling fluid to evaporimeter 9 and evaporate, thereby cool off the battery cooler 12 of being connected with evaporimeter 9 and cool down, thereby can utilize battery cooler 12 to cool off heat dissipation to battery package 15 better.
Moreover, the high-temperature heat dissipation loop of the motor may include a main heat dissipation liquid outlet pipe communicated with the liquid outlet end of the heat sink 1, and a main heat dissipation liquid return pipe communicated with the main heat dissipation liquid outlet pipe and the liquid return end of the heat sink, the third circulation pump 14 is disposed on the main heat dissipation liquid outlet pipe, and the motor mechanism is disposed on the main heat dissipation liquid return pipe. Namely, the radiator and the motor mechanism are communicated in a circulating manner through the main radiating liquid outlet pipe and the main radiating liquid return pipe to form a high-temperature radiating loop of the motor, cooling fluid in the radiator 1 is pumped to the motor mechanism through the main radiating liquid outlet pipe through the third circulating pump 14 to radiate the motor mechanism, and meanwhile, the cooling fluid which is radiated and heated is returned to the radiator 1 through the main radiating liquid return pipe to be cooled to obtain low-temperature cooling fluid so as to radiate the motor mechanism in a circulating manner.
In addition, the low-temperature heat dissipation loop of the motor and the battery comprises a first electromagnetic three-way valve 21 which is communicated with and arranged on the main heat dissipation liquid outlet pipe and is close to the liquid outlet end of the heat radiator 1, a battery heat dissipation liquid inlet pipe which is communicated with the liquid inlet end of the first electromagnetic three-way valve 21 and the liquid inlet end of the battery pack 15, and a battery heat dissipation liquid outlet pipe which is communicated with the liquid outlet end of the battery pack 15, wherein the battery heat dissipation liquid outlet pipe is communicated with the main heat dissipation liquid return pipe, and the first circulating pump 13 is arranged on the battery heat dissipation liquid inlet pipe. Namely, the battery pack 15 and the motor mechanism are circularly communicated through the battery heat dissipation liquid inlet pipe, the battery heat dissipation liquid outlet pipe and the main heat dissipation liquid return pipe to form a motor and battery low-temperature heat dissipation loop. The radiator 1 can be communicated with the battery heat dissipation liquid inlet pipe through the first electromagnetic three-way valve 21, the first circulating pump 13 arranged on the battery heat dissipation liquid inlet pipe pumps cooling fluid in the radiator 1 to the battery pack 15 to dissipate heat of the battery pack 15, the cooled cooling fluid flows through the motor mechanism to dissipate heat of the motor mechanism, the cooled and heated cooling fluid flows back to the radiator 1 through the main heat dissipation liquid return pipe to be cooled to obtain low-temperature cooling fluid, and the battery pack 15 and the motor mechanism can be subjected to circulating heat dissipation.
In addition, the battery high temperature heat dissipation loop may include a first battery cooling liquid outlet pipe communicated with the first liquid outlet end of the battery cooler 12, a second electromagnetic three-way valve 24 communicated with the first battery cooling liquid outlet pipe and the battery heat dissipation liquid inlet pipe, a third electromagnetic three-way valve 28 communicated with the battery heat dissipation liquid outlet pipe and close to the liquid outlet end of the battery pack 15, and a first battery cooling liquid return pipe communicated with the third electromagnetic three-way valve 28 and the first liquid return end of the battery cooler 12. Can make first battery cooling drain pipe intercommunication battery heat dissipation feed liquor pipe through second battery three-way valve 24, can communicate battery heat dissipation drain pipe and first battery cooling liquid return pipe through third electromagnetism three-way valve 28, thereby with battery package 15, battery cooler 12 and first circulating pump 13 circulation intercommunication, can be with the cooling fluid in battery cooler 12 through first battery cooling drain pipe and battery heat dissipation feed liquor pipe pump sending to battery package 15 through first circulating pump 13, in order to dispel the heat to battery package 15, and the cooling fluid that will dispel the heat and heat returns the liquid pipe through battery heat dissipation drain pipe and first battery cooling and flows back to battery cooler 12 and cool off and obtain cryogenic cooling fluid, can carry out the circulation heat dissipation to battery package 15.
Moreover, the battery high-temperature heat dissipation loop may further include a second battery cooling liquid outlet pipe communicated with the second liquid outlet end of the battery cooler 12, and a second battery cooling liquid return pipe communicated with the second battery cooling liquid return pipe and the second liquid return end of the battery cooler, wherein the evaporator 1 and the condensing mechanism are sequentially disposed on the second battery cooling liquid outlet pipe, and the second expansion valve 10 is disposed on the second battery cooling liquid return pipe. Through second battery cooling drain pipe and second battery cooling liquid return pipe, can communicate condensation mechanism and battery cooler 12 circulation, can carry the low-temperature cooling fluid that the cooling of condensation mechanism obtained to the battery cooler through second battery liquid return pipe, cool off the cooling fluid in battery cooler 12, and the cooling fluid that is used for cooling battery cooler 12 can flow back to condensation mechanism through second battery cooling drain pipe and continue to cool off, thereby can carry out circulative cooling to the cooling fluid in battery cooler 12, can provide the cooling fluid of lower temperature for battery package 15 like this, the reinforcing is to the cooling effect of battery package 15. Moreover, the second expansion valve 10 can further change the low-temperature cooling fluid generated by the condensing mechanism into a cooling fluid in a low-temperature and low-pressure state, and the cooling effect on the battery cooler 12 can be enhanced.
Further, as shown in fig. 4, the above-mentioned battery heating circuit may include a water heating outlet pipe communicating with the outlet end of the water heating heater 5, a fourth electromagnetic three-way valve 22 communicating with the water heating outlet pipe and the battery heat dissipation inlet pipe, a water heating return pipe communicating with the return end of the water heating heater, and a fifth electromagnetic three-way valve 20 communicating with the water heating return pipe and the main heat dissipation return pipe and near the return end of the radiator 1. Can communicate hot-water heating drain pipe and battery heat dissipation feed liquor pipe through fourth electromagnetism three-way valve 22, can communicate main heat dissipation through fifth electromagnetism three-way valve 20 and return liquid pipe and hot-water heating to can form battery heating circuit with hot-water heating heater 5, first circulating pump 13, battery package 15 and motor mechanism circulation intercommunication. Like this, the heating fluid of accessible first circulating pump 13 with hot-water heating heater 5 is through hot-water heating drain pipe and battery heat dissipation feed liquor pipe pump sending to battery package 15, with heat battery package 15, and the heating fluid of battery heat dissipation drain pipe outflow battery package 15 can be carried motor mechanism through main heat dissipation back flow, motor mechanism utilizes the heat that sends in its operation process to preheat heating fluid, the heating fluid of preheating can return liquid pipe and hot-water heating through main heat dissipation and return and carry out further heating in the hot-water heating heater in the liquid pipe, thereby can carry out the circulation heating to battery package 15. Like this, can establish ties hot-water heating heater 5 and motor mechanism, utilize motor mechanism's heat to preheat the heating fluid in hot-water heating heater 5, can retrieve motor mechanism's waste heat, effectively reduce hot-water heating heater power consumption, the heating effect is also better.
In addition, as shown in fig. 5, the above-mentioned heating circuit for a passenger compartment may include a hot core inlet pipe communicating with the inlet end of the heating core 11, a sixth electromagnetic three-way valve 23 communicating with the hot core inlet pipe and the battery heat dissipation inlet pipe, a hot core outlet pipe communicating with the outlet end of the heating core 11, and a seventh electromagnetic three-way valve 27 communicating with the hot core outlet pipe and the inlet end of the battery pack 15, a battery heat dissipation outlet pipe communicating with the outlet end of the battery pack 15, a water heating outlet pipe and a battery heat dissipation inlet pipe communicating with each other through the fourth electromagnetic three-way valve 22, and a water heating return pipe and a main heat dissipation return pipe communicating with each other through the fifth electromagnetic three-way valve 20, and the second circulation pump is disposed on the hot core outlet pipe. Can feed through hot core feed liquor pipe and battery heat dissipation feed liquor pipe through sixth electromagnetism three-way valve 23, can feed through hot core drain pipe and battery package 15 through seventh electromagnetism three-way valve 27, can feed through hot-water heating drain pipe and battery heat dissipation feed liquor pipe through four electromagnetism three-way valves 22, can return liquid pipe and main heat dissipation through fifth electromagnetism three-way valve 20 with the hot-water heating and return liquid pipe intercommunication to can be with hot-water heating heater 5, heat core 11, battery package 15 and motor mechanism circulation intercommunication. Like this, accessible battery package 15 and motor mechanism preheat the heating fluid in the hot-water heating heater 5, accessible second circulating pump 7 passes through the hot-water heating drain pipe with the heating fluid in the hot-water heating heater 5, battery heat dissipation feed liquor pipe and hot core feed liquor pipe pump send to heating core 11, heat passenger's storehouse through heating core 11, and the heating fluid after the cooling can flow through battery package 15 through the hot core drain pipe, and return the liquid pipe through main heat dissipation and flow through motor mechanism and preheat, and return the heating fluid that preheats through main heat dissipation and return liquid pipe and carry the heating in the hot-water heating heater 5 to heat in the passenger's storehouse, thereby can make full use of battery package 15, the heat of motor mechanism and hot-water heating heater 5. Therefore, the battery pack 15, the motor mechanism and the water heating heater 5 are connected in series, so that the heat of the battery pack 5 and the motor mechanism can be effectively recovered, the energy consumption of the water heating heater 5 is reduced, and the power consumption of the second circulating pump 7 for cooling the battery pack 15 and the motor mechanism is reduced.
Furthermore, as shown in fig. 6, the passenger compartment refrigeration circuit may include an evaporation liquid outlet pipe communicated with the liquid outlet end of the evaporator 9, an eighth electromagnetic three-way valve 26 communicating the evaporation liquid outlet pipe with the second battery cooling liquid outlet pipe, an evaporator liquid inlet pipe communicated with the liquid inlet end of the evaporator 9, and a ninth electromagnetic three-way valve 25 communicating the evaporator liquid inlet pipe with the second battery cooling liquid return pipe, the first expansion valve 8 being provided on the evaporator liquid inlet pipe. The evaporator 9 and the condensing mechanism can be circularly communicated through the eighth electromagnetic three-way valve 26 for communicating the evaporation liquid outlet pipe with the second battery cooling liquid outlet pipe and through the ninth electromagnetic three-way valve 25 for communicating the evaporation liquid inlet pipe with the second battery cooling liquid return pipe. The condensation mechanism cools down cooling fluid to carry the evaporimeter 9 through second battery cooling liquid return pipe and evaporimeter feed liquor pipe with cooling fluid, evaporimeter 9 evaporates cooling fluid and cools down passenger's storehouse, and the cooling fluid of intensification can flow back to condensation mechanism through evaporation drain pipe and second battery cooling drain pipe and cool off once more, just so can carry out circulative cooling to passenger's storehouse. In addition, in the process that the cooling fluid is conveyed to the evaporator 9 by the condensing mechanism, the cooling fluid is subjected to pressure reduction through the first expansion valve 8 and is changed into a low-temperature and low-pressure state, so that the cooling effect on the passenger compartment can be further improved.
In addition, the motor mechanism may include a charger 16, a controller 17 and a driving motor 18, which are sequentially connected. Moreover, the condensing mechanism may include a compressor 4, a condenser 2, and a liquid storage tank 6, which are sequentially connected, and a fan 3 corresponding to the condenser 2. The compressor 4 can pressurize the cooling fluid (gas) to become high-temperature high-pressure gas, the gas is changed into a supercooled refrigerant through the heat emitted from the condenser 2 to flow into the liquid storage tank 6 for storage, and the fan 3 can radiate the heat of the condenser 2 to enhance the cooling effect of the condenser 2. The liquid inlet of the first circulation pump 13, the liquid inlet of the second circulation pump 7, and the liquid inlet of the third circulation pump 14 are all communicated with the expansion tank 19, and water can be replenished.
The new energy automobile heat management system utilizing the waste heat of the whole automobile can couple battery pack cooling and motor cooling, share one radiator, simplify the composition of system components and optimize the system structure; the battery pack thermal management, the motor cooling and the water heating heater can be coupled, the waste heat of the motor mechanism is recovered for preheating the battery pack, or the heat of the motor mechanism and the battery pack is recovered for heating the passenger compartment, so that the energy consumption of the water heating heater is reduced, and meanwhile, the energy consumption of parts for heat dissipation of the motor mechanism and the battery pack is reduced, and the cruising ability of the whole vehicle is effectively improved; the pipeline structure of the system is optimized, the heat management system shares one expansion water tank, and the complexity of the system is reduced.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (4)
1. The utility model provides an utilize new energy automobile thermal management system of whole car waste heat which characterized in that includes:
the motor and battery heat dissipation loop comprises a radiator, a battery pack and a motor mechanism which are circularly communicated;
the battery heating loop comprises a water heating heater, a first circulating pump, the battery pack and the motor mechanism which are sequentially communicated in a circulating manner;
the passenger cabin heating loop comprises a heating core, a second circulating pump, the battery pack, the motor mechanism and the water heating heater which are sequentially and circularly communicated, wherein the heating core is used for providing heat for the passenger cabin; and the number of the first and second groups,
the passenger cabin refrigeration loop comprises an evaporator, a condensation mechanism and a first expansion valve which are sequentially communicated in a circulating manner, wherein the evaporator is used for providing cold energy for the passenger cabin;
the motor and battery heat dissipation loop comprises a motor and battery low-temperature heat dissipation loop;
the motor and battery low-temperature heat dissipation loop comprises the radiator, the first circulating pump, the battery pack and the motor mechanism which are sequentially communicated in a circulating manner;
the motor and battery heat dissipation loop comprises a motor and battery high-temperature heat dissipation loop;
the motor and battery high-temperature heat dissipation loop comprises a motor high-temperature heat dissipation loop and a battery high-temperature heat dissipation loop;
the motor high-temperature heat dissipation loop comprises the radiator, a third circulating pump and the motor mechanism which are sequentially communicated in a circulating manner;
the battery high-temperature heat dissipation loop comprises the battery pack and a battery cooler which are sequentially communicated in a circulating manner, and the battery cooler, the evaporator, the condensing mechanism and a second expansion valve which are sequentially communicated in a circulating manner;
the motor high-temperature heat dissipation loop comprises a main heat dissipation liquid outlet pipe communicated with the liquid outlet end of the radiator and a main heat dissipation liquid return pipe communicated with the main heat dissipation liquid outlet pipe and the liquid return end of the radiator, the third circulating pump is arranged on the main heat dissipation liquid outlet pipe, and the motor mechanism is arranged on the main heat dissipation liquid return pipe;
the low-temperature heat dissipation loop of the motor and the battery comprises a first electromagnetic three-way valve, a battery heat dissipation liquid inlet pipe and a battery heat dissipation liquid outlet pipe, wherein the first electromagnetic three-way valve is communicated with the main heat dissipation liquid outlet pipe and is close to the liquid outlet end of the heat radiator;
the battery high-temperature heat dissipation loop comprises a first battery cooling liquid outlet pipe communicated with a first liquid outlet end of the battery cooler, a second electromagnetic three-way valve communicated with the first battery cooling liquid outlet pipe and the battery heat dissipation liquid inlet pipe, a third electromagnetic three-way valve communicated with the battery heat dissipation liquid outlet pipe and close to a liquid outlet end of the battery pack, and a first battery cooling liquid return pipe communicated with the third electromagnetic three-way valve and a first liquid return end of the battery cooler;
the battery high-temperature heat dissipation loop further comprises a second battery cooling liquid outlet pipe communicated with a second liquid outlet end of the battery cooler, and a second battery cooling liquid return pipe communicated with the second battery cooling liquid outlet pipe and a second liquid return end of the battery cooler, the evaporator and the condensing mechanism are sequentially arranged on the second battery cooling liquid outlet pipe, and the second expansion valve is arranged on the second battery cooling liquid return pipe;
the battery heating loop comprises a water heating liquid outlet pipe communicated with the liquid outlet end of the water heating heater, a fourth electromagnetic three-way valve communicated with the water heating liquid outlet pipe and the battery heat dissipation liquid inlet pipe, a water heating liquid return pipe communicated with the liquid return end of the water heating heater, and a fifth electromagnetic three-way valve communicated with the water heating liquid return pipe, the main heat dissipation liquid return pipe and the fifth electromagnetic three-way valve close to the liquid return end of the radiator.
2. The system according to claim 1, wherein the passenger compartment heating loop comprises a hot core liquid inlet pipe communicated with a liquid inlet end of the heating core, a sixth electromagnetic three-way valve communicated with the hot core liquid inlet pipe and the battery heat dissipation liquid inlet pipe, a hot core liquid outlet pipe communicated with a liquid outlet end of the heating core, a seventh electromagnetic three-way valve communicated with the liquid inlet end of the battery pack, a battery heat dissipation liquid outlet pipe communicated with a liquid outlet end of the battery pack, a water heating liquid outlet pipe communicated with the battery heat dissipation liquid inlet pipe through the fourth electromagnetic three-way valve, a water heating liquid return pipe communicated with the battery heat dissipation liquid inlet pipe through the fifth electromagnetic three-way valve, and a water heating liquid return pipe communicated with the main heat dissipation liquid return pipe, wherein the second circulating pump is arranged on the hot core liquid outlet pipe.
3. The system according to claim 1, wherein the passenger compartment refrigeration circuit comprises an evaporation liquid outlet pipe communicated with the liquid outlet end of the evaporator, an eighth electromagnetic three-way valve communicated with the evaporation liquid outlet pipe and the second battery cooling liquid outlet pipe, an evaporator liquid inlet pipe communicated with the liquid inlet end of the evaporator, and a ninth electromagnetic three-way valve communicated with the evaporator liquid inlet pipe and the second battery cooling liquid return pipe, and the first expansion valve is disposed on the evaporator liquid inlet pipe.
4. The new energy automobile heat management system using waste heat of a whole automobile according to claim 1, wherein the motor mechanism comprises a charger, a controller and a driving motor which are sequentially communicated; the condensing mechanism comprises a compressor, a condenser and a liquid storage tank which are communicated in sequence.
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| CN112977000A (en) * | 2021-04-21 | 2021-06-18 | 中汽研（天津）汽车工程研究院有限公司 | Thermal management system of pure electric vehicle |
| CN114056052B (en) * | 2021-12-14 | 2024-03-22 | 智己汽车科技有限公司 | Electric automobile thermal management loop, control method and pure electric vehicle |
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