CN107839433A - The thermal management system of whole of plug-in hybrid-power automobile - Google Patents

The thermal management system of whole of plug-in hybrid-power automobile Download PDF

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Publication number
CN107839433A
CN107839433A CN201711212905.5A CN201711212905A CN107839433A CN 107839433 A CN107839433 A CN 107839433A CN 201711212905 A CN201711212905 A CN 201711212905A CN 107839433 A CN107839433 A CN 107839433A
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CN
China
Prior art keywords
coolant inlet
cooling
liquid outlet
water pump
temperature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711212905.5A
Other languages
Chinese (zh)
Inventor
王艳薇
江国华
于长虹
田承伟
李大鹏
张行
钱皓
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FAW Group Corp
Original Assignee
FAW Group Corp
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Publication date
Application filed by FAW Group Corp filed Critical FAW Group Corp
Priority to CN201711212905.5A priority Critical patent/CN107839433A/en
Publication of CN107839433A publication Critical patent/CN107839433A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00357Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00385Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
    • B60H1/004Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for vehicles having a combustion engine and electric drive means, e.g. hybrid electric vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H1/00278HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/02Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
    • B60H1/03Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant
    • B60H1/034Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant from the cooling liquid of the propulsion plant and from an electric heating device
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00Arrangement in connection with cooling of propulsion units
    • B60K11/02Arrangement in connection with cooling of propulsion units with liquid cooling
    • B60K11/04Arrangement or mounting of radiators, radiator shutters, or radiator blinds
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N5/00Exhaust or silencing apparatus combined or associated with devices profiting from exhaust energy
    • F01N5/02Exhaust or silencing apparatus combined or associated with devices profiting from exhaust energy the devices using heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00Pumping cooling-air or liquid coolants
    • F01P5/10Pumping liquid coolant; Arrangements of coolant pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02NSTARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N19/00Starting aids for combustion engines, not otherwise provided for
    • F02N19/02Aiding engine start by thermal means, e.g. using lighted wicks
    • F02N19/04Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • B60K2001/003Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B60K2001/005Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric storage means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • B60K2001/003Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B60K2001/006Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/88Optimized components or subsystems, e.g. lighting, actively controlled glasses

Abstract

The invention discloses a kind of thermal management system of whole of plug-in hybrid-power automobile, and it includes High-temperature cooling system, medium temperature cooling system, low-temperature cooling system, battery cooling system and air-conditioning system.The thermal management system of whole of the plug-in hybrid-power automobile of the present invention, it is designed according to the caloric value and cooling requirement of different parts, avoids each part from influencing each other, meets high request of each part to temperature in use, ensure the function and performance of each part, improve life-span and the efficiency of each part;The heat management system of electrokinetic cell and air-conditioning system are integrated, reach the peak use rate of vehicle thermal environment resource;When having warm wind demand under pure electronic operating mode, engine exhaust heat and speed changer heat are made full use of, while applies ptc heater, reduces engine frequent starting, lifting vehicle energy saving, the feature of environmental protection and comfortableness;Is improved by startup performance of engine, effectively lifts vehicle economy and discharge performance for engine prewarming using speed changer heating under pure electronic operating mode.

Description

The thermal management system of whole of plug-in hybrid-power automobile
Technical field
The invention belongs to the vehicle heat of hybrid electric vehicle field of heat management, more particularly to a kind of plug-in hybrid-power automobile Management system.
Background technology
Water-cooled electrokinetic cell plug-in hybrid electric vehicle heat management system increases on the basis of traditional vehicle heat management system Motor, electric machine controller, battery, charger and DCDC cooling requirement, heat management system inner part caloric value is different, and right Coolant temperature requires that difference is larger, and engine and the requirement of speed changer coolant temperature are typically more than 95 DEG C, charge air cooler and whirlpool The requirement of booster coolant temperature is taken turns typically between 75~90 DEG C, the requirement of motor coolant is typically below 70 DEG C, motor control Device, charger and the requirement of DCDC coolant temperatures processed are typically below 65 DEG C, and the requirement of battery coolant temperature is typically 18~25 DEG C, it is necessary to realize that each part independently cools down, avoid each part from influencing each other, meet high request of each part to temperature in use, protect The function and performance of each part are demonstrate,proved, improves life-span and the efficiency of each part.
The heat management system and its controlling party of a kind of motor vehicle driven by mixed power are disclosed in patent document 1 (CN102951012A) Method.The heat management system includes motor radiator, feed unit, power electric device, electric-motor drive unit, engine radiating Device, engine and air-conditioning system, motor radiator, feed unit, power electric device and electric-motor drive unit pass through first Pipeline is sequentially connected and electric-motor drive unit is connected on motor radiator by the second pipeline to form first circulation loop, hair Motivation radiator, engine and air-conditioning system are sequentially connected by the 3rd pipeline and air-conditioning system, engine and engine dissipate Hot device is sequentially connected to form second circulation loop by the 4th pipeline, the first bye-pass is provided with the second pipeline and positioned at it Second bye-pass in downstream, the connection second of the first bye-pass and the 3rd pipeline, the connection second of the second bye-pass and the 4th pipeline.From And solve the problems, such as to carry out more effective heat management to engine and electric device.
Disclose a kind of hybrid vehicle heat management system in patent document 2 (CN102092272A), including high temperature is cold But system, low-temperature cooling system, oil cooling system, auxiliary heating system, air-conditioning refrigeration system.The advantage of the invention is that the heat pipe System integration High-temperature cooling, sub-cooled, oil cooling, auxiliary heating and refrigeration five big systemses are managed, realize the independence of each cooling circuit Control, while bottom line reduces influencing each other for each heat exchanger;Mutually compensated for during low temperature heating, realize occupant rapidly Cabin comfortableness requirement.
A kind of heat management system for hybrid vehicle is proposed in patent document 3 (CN203651447U), mixing is moved Power automobile includes motor power system and engine power system, and the heat management system for hybrid vehicle includes:First Water pump;First control valve;Second water pump;3rd water pump;Primary heater;Secondary heater and controller.The utility model can By controlling the first water pump, the second water pump, the 3rd water pump and the first control valve so that primary heater is carried out to battery subsystem Heating, and heated when engine works using the residual temperature of engine cooling water to battery subsystem, ensure battery in low temperature Under performance.At the same time it can also not utilize engine water to circulate, without starting engine, it ensure that hybrid vehicle pure Energy saving under electronic operating mode, improve the energy saving and the feature of environmental protection of hybrid vehicle.
For system disclosed in patent document 1, battery bag, speed changer, charger, DCDC are not integrated in its system It is interior, air-conditioning refrigeration system is not integrated in yet in;The caloric value of motor and electric machine controller is utilized during pure motor driving simultaneously Warm wind is provided and heated for engine, because motor and electric machine controller caloric value are limited, to reducing engine frequent starting, drop It is limited that low stain thing discharges and improved oil consumption contribution.For system disclosed in patent document 2, in its system not by battery bag, In charger and DCDC are integrated in;Simultaneously during pure motor driving, engine exhaust heat and internal system part caloric value is not utilized to carry Providing warm air, resource does not utilize fully in system;And it is not engine heating, during engine start during pure motor driving Economy and discharge performance do not improve.For system disclosed in patent document 3, speed changer is not integrated in its system It is interior, while in not being integrated in charger and DCDC in its battery cooling circuit;Simultaneously during pure motor driving, system is not utilized The inner part caloric value of uniting provides warm wind, and resource does not utilize fully in system, cause engine frequent starting, oil consumption increase and Pollutant emission increase;And be not engine heating during pure motor driving, economy and discharge performance during engine start Do not improve.
At present, the air-conditioning system of existing hybrid vehicle, power battery thermal management system be all generally each it is independent, It is few to integrate the heat management system of electrokinetic cell and air-conditioning system, so cause thermal management system of whole effect Rate is relatively low, is not reaching to the peak use rate of vehicle thermal environment resource.
Existing hybrid vehicle generally when pure electronic operating mode downward driving has warm wind demand, does not make full use of engine The heat of waste heat and other heat generating components, is not reaching to the peak use rate of heat management resource, it is necessary to start engine, causes to send out Motivation frequent starting, increase oil consumption, pollutant discharge amount increases, and can not take into account the energy saving, the feature of environmental protection and comfortableness of vehicle.
Existing hybrid vehicle is under pure electronic operating mode, when engine down time is longer, the temperature of engine coolant Degree can reduce, and the heat without the at utmost fully other heat generating components of profit is engine prewarming, is not reaching to heat management resource Peak use rate, when engine restarts, lubricating oil viscosity is relatively low, and frictional resistance is excessive, distributive value increase, influence whole Car economy and discharge performance.
Therefore, it is necessary to improved technical scheme is proposed to overcome technical problem present in prior art.
The content of the invention
The present invention seeks to propose a kind of thermal management system of whole of plug-in hybrid-power automobile, by High-temperature cooling system System, medium temperature cooling system, low-temperature cooling system, battery cooling system and air-conditioning system are integrated into an entirety.By this hair The heat management system of bright proposition, avoid each part from influencing each other, meet high request of each part to temperature in use, ensure each part Function and performance, improve life-span and the efficiency of each part;The heat management system of electrokinetic cell and air-conditioning system are integrated in one Rise, improve thermal management system of whole efficiency, reach the peak use rate of vehicle thermal environment resource;Have in pure electronic operating mode downward driving During warm wind demand, the heat of engine exhaust heat and speed changer is made full use of, while applies ptc heater, it is frequent to reduce engine Start, lift the energy saving, the feature of environmental protection and comfortableness of vehicle;Under pure electronic operating mode, engine is carried out using speed changer heating Preheating, improve startup performance of engine, effectively lift vehicle economy and discharge performance.
The present invention solves technical problem and adopted the following technical scheme that:A kind of vehicle heat management of plug-in hybrid-power automobile System, it includes High-temperature cooling system, medium temperature cooling system, low-temperature cooling system, battery cooling system and air-conditioning system;
It is cold that the High-temperature cooling system includes high temperature heat sink, mechanical water pump, engine, speed changer heat exchanger, machine oil But device, high-temperature water pump and indoor warm air radiator;
The coolant inlet of the mechanical water pump connects with the cooling liquid outlet of the high temperature heat sink, the mechanical water pump Cooling liquid outlet connected with the coolant inlet of engine, the cooling liquid outlet of the engine and the high temperature heat sink Coolant inlet connects;Coolant of the cooling liquid outlet of the cooling line of the engine also with the speed changer heat exchanger Entrance connects, and the cooling liquid outlet of the speed changer heat exchanger connects with the coolant inlet of the oil cooler, described The coolant inlet of oil cooler connects with the coolant inlet of the high-temperature water pump, the cooling liquid outlet of the high-temperature water pump Connected with the coolant inlet of the indoor warm air radiator, coolant inlet and the machinery of the indoor warm air radiator The coolant inlet connection of water pump;
The medium temperature cooling system includes middle temperature radiator, middle warm water pump, charge air cooler and turbocharger;
The cooling liquid outlet of the middle temperature radiator connects with the coolant inlet of the middle warm water pump, the middle warm water pump Cooling liquid outlet connected with the coolant inlet of the charge air cooler, the cooling liquid outlet of the charge air cooler and the medium temperature radiate The coolant inlet connection of device;The cooling liquid outlet of the middle warm water pump also connects with the coolant inlet of turbocharger, institute The cooling liquid outlet for stating turbocharger connects with the coolant inlet of the middle temperature radiator;
The low-temperature cooling system includes low-temperature radiator, electric machine controller, low temperature water pump and motor;
The cooling liquid outlet of the low-temperature radiator is connected to the coolant inlet of the electric machine controller, the motor control The cooling liquid outlet of device processed is connected to the coolant inlet of the low temperature water pump, and the cooling liquid outlet of the low temperature water pump is connected to The coolant inlet of the motor, the cooling liquid outlet of the motor are connected to the coolant inlet of the low-temperature radiator;
The battery cooling system include battery cooling heat exchanger, battery water pump, electrokinetic cell, DCDC, charger and Battery cools down expansion valve;
The cooling liquid outlet of the battery water pump is connected to the coolant inlet of the electrokinetic cell, the electrokinetic cell Cooling liquid outlet is connected to the coolant inlet of the DCDC, the coolant of the cooling liquid outlet of the DCDC and the charger Entrance connects, and the cooling liquid outlet of the charger connects with the coolant inlet of battery cooling heat exchanger, the electricity The cooling liquid outlet of pond cooling heat exchanger connects with the coolant inlet of the battery water pump, and the battery cools down heat exchanger Coolant inlet connected with cooling liquid outlet;The air-conditioning system includes air conditioner refrigerating expansion valve, evaporator, wind and warms up PTC, electricity Dynamic compressor of air conditioner and condenser;
The refrigerant outlet of the electric air-conditioning compressor connects with the refrigerant inlet of the condenser, the condenser Refrigerant outlet and the air conditioner refrigerating expansion valve and battery cooling expansion valve connect, the air conditioner refrigerating expansion valve and institute The refrigerant inlet connection of evaporator is stated, the refrigerant of the refrigerant outlet of the evaporator and the electric air-conditioning compressor enters Mouth connection;Refrigerant inlet of the battery cooling expansion valve also with battery cooling heat exchanger connects, and the battery is cold But the refrigerant outlet of heat exchanger connects with the refrigerant inlet of the electric air-conditioning compressor;The wind warms up PTC in air-conditioning Auxiliary heating is carried out when heating circulating-heating amount is low.
Optionally, the speed changer heat exchanger is the heat exchanger of oil cooling double-clutch speed changer.
Optionally, the charge air cooler is water-cooled charge air cooler.
Optionally, the motor is water cooled machine.
Optionally, the electrokinetic cell is water-cooled electrokinetic cell.
Optionally, it is that low-pressure air warms up PTC that the wind, which warms up PTC,.
Optionally, the thermal management system of whole of the plug-in hybrid-power automobile also includes expansion tank, the expansion The cooling liquid outlet with the turbocharger, the coolant of the indoor warm air radiator enter the coolant inlet of water tank respectively Mouthful connected with the cooling liquid outlet of the electric machine controller, the cooling liquid outlet of the expansion tank respectively with the mechanical water pump Coolant inlet, the connection of the coolant inlet of the coolant inlet of the medium temperature electric water pump and the low temperature water pump.
Optionally, the thermal management system of whole of the plug-in hybrid-power automobile also includes battery cooling expansion tank, The cooling liquid outlet of the battery cooling expansion tank connects with the coolant inlet of the battery water pump, and the battery cooling is swollen The coolant inlet of swollen water tank connects with the cooling liquid outlet of battery cooling heat exchanger.
The present invention has the advantages that:The thermal management system of whole of the plug-in hybrid-power automobile of the present invention, is pressed It is designed according to the caloric value and cooling requirement of different parts, avoids each part from influencing each other, meets each part to temperature in use High request, ensure the function and performance of each part, improve life-span and the efficiency of each part;By the heat management system of electrokinetic cell Integrated with air-conditioning system, improve thermal management system of whole efficiency, reach the peak use rate of vehicle thermal environment resource; When pure electronic operating mode downward driving has warm wind demand, the heat of engine exhaust heat and speed changer is made full use of, while application PTC is heated Device, engine frequent starting is reduced, lift the energy saving, the feature of environmental protection and comfortableness of vehicle;Under pure electronic operating mode, speed changer is utilized Heating preheats to engine, improves startup performance of engine, effectively lifts vehicle economy and discharge performance.
Brief description of the drawings
Fig. 1 is the structural representation of the thermal management system of whole of the plug-in hybrid-power automobile of the present invention;
Fig. 2 is the structural representation of the High-temperature cooling system of the present invention;
Fig. 3 is the structural representation of the medium temperature cooling system of the present invention;
Fig. 4 is the structural representation of the low-temperature cooling system of the present invention;
Fig. 5 is the structural representation of the battery cooling system of the present invention;
Fig. 6 is the structural representation of the air-conditioning system of the present invention;
Fig. 7 is the structural representation of the heating circulation of the air-conditioning system of the present invention;
Mark is illustrated as in figure:1- low-temperature radiators;2- electric machine controllers;3- low temperature water pumps;4- motors;5- medium temperatures radiate Device;Warm water pump in 6-;7- charge air coolers;8- turbines increase device;9- high temperature heat sinks;10- mechanical water pumps;11- engines;12- becomes Fast device heat exchanger;13- oil cooler;14- high-temperature water pumps;Warm air radiator in 15- rooms;16- expansion tanks;17- batteries Cool down heat exchanger;18- battery water pumps;19- electrokinetic cells;20-DCDC;21- chargers;22- batteries cool down expansion valve;23- Air conditioner refrigerating expansion valve;24- evaporators;25- wind warms up PTC;26- electric air-conditioning compressors;27- condensers;The cooling of 28- batteries is swollen Swollen water tank.
Embodiment
Technical scheme is further elaborated with reference to embodiment and accompanying drawing.
Embodiment 1
Present embodiments provide a kind of thermal management system of whole of plug-in hybrid-power automobile, including High-temperature cooling system System, medium temperature cooling system, low-temperature cooling system, battery cooling system and air-conditioning system.
The High-temperature cooling system include high temperature heat sink 9, mechanical water pump 10, engine 11, speed changer heat exchanger 12, Oil cooler 13, high-temperature water pump 14, indoor warm air radiator 15 and expansion tank 16;
With reference to figure 2, in the present embodiment, the High-temperature cooling system includes systemic circulation cooling circuit and partial circulating cools back Road;Systemic circulation cooling circuit is according to circulating water flow to cycling through mechanical water pump 10, engine 11 and high temperature heat sink 9 successively; Partial circulating cooling circuit is according to circulating water flow to passing sequentially through mechanical water pump 10, engine 11, speed changer heat exchanger 12, machine oil Cooler 13, high-temperature water pump 14 and indoor warm air radiator 15.
That is, the coolant inlet of the mechanical water pump 10 connects with the cooling liquid outlet of the high temperature heat sink 9, The cooling liquid outlet of the mechanical water pump 10 connects with the coolant inlet of the engine 11, the coolant of the engine 11 Outlet connects with the coolant inlet of the high temperature heat sink 9, so as to realize the systemic circulation cooling circuit;Meanwhile the hair Coolant inlet of the cooling liquid outlet of motivation 11 also with the speed changer heat exchanger 12 connects, the speed changer heat exchanger 12 cooling liquid outlet connects with the coolant inlet of the oil cooler 13, the coolant inlet of the oil cooler 13 Connected with the coolant inlet of the high-temperature water pump 14, the cooling liquid outlet of the high-temperature water pump 14 radiates with the indoor warm wind The coolant inlet connection of device 15, the coolant inlet of the indoor warm air radiator 15 and the coolant of the mechanical water pump 9 Entrance connects, so as to realize partial circulating cooling circuit.
The speed changer heat exchanger 12 is the heat exchanger of oil cooling double-clutch speed changer;By the high-temperature water pump 14, It can be achieved under pure electronic operating mode, air conditioning warm air provided using High-temperature cooling system waste heat, speed changer caloric value;Pass through the high temperature It water pump 14, can be achieved under pure electronic operating mode, the cooling of speed changer, and add using heat caused by speed changer for engine Heat;The high-temperature water pump can be achieved under pure electronic operating mode under unlocking condition, utilize the High-temperature cooling system waste heat, described Speed changer caloric value provides air conditioning warm air;And the cooling to the speed changer, and be institute using the speed changer caloric value State engine heating.
The medium temperature cooling system includes middle temperature radiator 5, middle warm water pump 6, charge air cooler 7, turbocharger 8.
With reference to figure 3, the medium temperature cooling system according to circulating water flow to cycle through successively middle warm water pump 6, charge air cooler 7, Turbocharger 8, middle temperature radiator 5, in this loop, charge air cooler 7 and turbocharger 8 are in parallel, and the charge air cooler 7 is water-cooled Charge air cooler.
That is, the cooling liquid outlet of the middle temperature radiator 5 connects with the coolant inlet of the middle warm water pump 6, The cooling liquid outlet of the middle warm water pump 6 connects with the coolant inlet of the charge air cooler 7, and the coolant of the charge air cooler 7 goes out Mouth connects with the coolant inlet of the middle temperature radiator 5, it is achieved thereby that the water (coolant) of the medium temperature cooling system Circulation;In the present embodiment, the coolant inlet of the cooling liquid outlet of the middle warm water pump 6 also with turbocharger 8 connects, described The cooling liquid outlet of turbocharger 8 connects with the coolant inlet of the middle temperature radiator 5.
The low-temperature cooling system includes low-temperature radiator 1, electric machine controller 2, low temperature water pump 3 and motor 4.
With reference to figure 4, the low-temperature cooling system is according to circulating water flow to cycling through electric machine controller 2, water at low temperature successively Pump 3, motor 4 and low-temperature radiator 1, the motor 4 are water cooled machine.
That is, the coolant that the cooling liquid outlet of the low-temperature radiator 1 is connected to the electric machine controller 2 enters Mouthful, the cooling liquid outlet of the electric machine controller 2 is connected to the coolant inlet of the low temperature water pump 3, the low temperature water pump 3 Cooling liquid outlet is connected to the coolant inlet of the cooling line of the motor 4, and the coolant of the cooling line of the motor 4 goes out Mouth is connected to the coolant inlet of the low-temperature radiator 1, and is achieved in the circulation of the water (coolant) of low-temperature cooling system.
The battery cooling system include battery cooling heat exchanger 17, battery water pump 18, electrokinetic cell 19, DCDC20, Charger 21, battery cooling expansion valve 22, battery cooling expansion tank 28;
With reference to figure 5, the battery cooling system is according to circulating water flow to cycling through successively including battery water pump 18, power Battery 19, DCDC20, charger 21 and battery cool down heat exchanger 17, and battery cooling expansion valve 22 is opened in this circulation, air-conditioning Kind of refrigeration cycle starts, and the electrokinetic cell 19 is water-cooled electrokinetic cell.
That is, the cooling liquid outlet of the battery water pump 18 is connected to the coolant inlet of the electrokinetic cell 19, The cooling liquid outlet of the electrokinetic cell 19 is connected to the coolant inlet of the DCDC20, the cooling liquid outlet of the DCDC20 Connected with the coolant inlet of the charger 21, cooling liquid outlet and the battery cooling heat exchanger of the charger 21 17 coolant inlet connection, the coolant of the cooling liquid outlet and the battery water pump 18 of the battery cooling heat exchanger 17 Entrance connects, moreover, the coolant inlet of battery cooling heat exchanger 17 connects with cooling liquid outlet.
The air-conditioning system is that PTC air-conditioning system is warmed up using wind, including air conditioner refrigerating expansion valve 23, evaporator 24, wind Warm PTC25, electric air-conditioning compressor 26 and condenser 27.
With reference to figure 6, air conditioner refrigerating circulation, refrigerant sequentially pass through compressor of air conditioner 26, air conditioner refrigerating expansion valve 23, Evaporator 24 and condenser 27, this circulation in air conditioner refrigerating expansion valve 23 open, air conditioner refrigerating loop start, wind warm up PTC25 not Work;Battery cooling expansion valve 22 is opened when electrokinetic cell has cooling requirement.
With reference to figure 7, air-conditioning heating circulation, according to circulating water flow to passing sequentially through mechanical water pump 10, engine 11, become Fast device heat exchanger 12, oil cooler 13, high-temperature water pump 14 and indoor warm air radiator 15;Wind warms up PTC25 and adopted in this air-conditioning Warm circulating-heating amount carries out auxiliary heating when low, and it is that low-pressure air warms up PTC that the wind, which warms up PTC25,.
That is, the refrigerant inlet of the refrigerant outlet of the electric air-conditioning compressor 26 and the condenser 27 connects Logical, the refrigerant outlet of the condenser 27 connects with the air conditioner refrigerating expansion valve 23 and battery cooling expansion valve 28, institute The refrigerant inlet that air conditioner refrigerating expansion valve 23 is stated with the evaporator 24 connects, the refrigerant outlet of the evaporator 24 and institute State the refrigerant inlet connection of electric air-conditioning compressor 26;Meanwhile the battery cooling expansion valve 28 also cools down with the battery The refrigerant inlet connection of heat exchanger 17, the refrigerant outlet of the battery cooling heat exchanger 17 and the electric air-conditioning pressure The refrigerant inlet connection of contracting machine 26.
The expansion tank 16 is that High-temperature cooling system, medium temperature cooling system and low-temperature cooling system share;That is, Cooling liquid outlet, the indoor warm air radiator 15 of the coolant inlet of the expansion tank 16 and the turbocharger 8 Coolant inlet connected with the cooling liquid outlet of the electric machine controller 2, the cooling liquid outlet of the expansion tank 16 difference Connected with the coolant inlet of the mechanical water pump 10, to carry out moisturizing, and the swelling water to the High-temperature cooling system Coolant inlet of the case 16 also with the medium temperature electric water pump 6 connects, to carry out moisturizing to the medium temperature cooling system, meanwhile, Coolant inlet of the expansion tank 16 also with the low temperature water pump 3 connects, to carry out moisturizing to the low-temperature cooling system.
The battery cooling expansion tank 28 is used alone for the battery cooling system, that is to say, that the battery is cold But the cooling liquid outlet of expansion tank 28 connects with the coolant inlet of the battery water pump 18, with to the battery cooling system Moisturizing is carried out, the coolant inlet and the coolant of battery cooling heat exchanger 17 of the battery cooling expansion tank 28 go out Mouth connection.
The thermal management system of whole of the plug-in hybrid-power automobile of the present invention, caloric value and cooling according to different parts Demand is designed, and avoids each part from influencing each other, and meets high request of each part to temperature in use, ensures the function of each part And performance, improve life-span and the efficiency of each part.
When in use, it is cold that speed changer is cooled in high temperature to the thermal management system of whole of the plug-in hybrid-power automobile of the present invention But in system partial circulating, when engine 11 works, coolant circulation is driven to realize that speed changer cools down using mechanical water pump 10; When engine 11 does not work, i.e., under pure electronic operating mode, realize that speed changer cools down using high-temperature water pump 14.I.e. using same Cooling system water route ensures cooling requirement of the speed changer under each operating mode, realizes the peak use rate of heat management resource.
Air conditioner refrigerating circulates and battery cooling circuit common condenser 27 and electric air-conditioning compressor 26, realizes that heat management provides The peak use rate in source.Air conditioner refrigerating choke valve 23 is circularly set using in air conditioner refrigerating, controls air conditioner refrigerating circulating open close, is protected Demonstrate,prove crew module's refrigeration demand;Set battery to cool down expansion valve 22 in battery cooling circuit, the cooling circuit opening and closing of control battery, ensure The cooling requirement of electrokinetic cell 19;It is achieved in crew module's refrigeration and electrokinetic cell cooling independent control.
When engine 11 works, warm wind demand is realized using the caloric value of engine 11;When engine 11 does not work, that is, exist Under pure electronic operating mode, drive High-temperature cooling system partial circulating coolant to circulate by high-temperature water pump 14, utilize the waste heat of engine 11 Generated heat with speed changer, realize crew module's warm wind demand;When the waste heat of engine 11 and speed changer heating can not meet warm wind demand, PTC25, which is warmed up, using wind carries out auxiliary heating.Thus, it is possible to make full use of the waste heat of engine 11 and speed changer to generate heat, engine is reduced Frequent starting, effectively reduce oil consumption and reduce pollutant emission, lift the energy saving, the feature of environmental protection and comfortableness of vehicle.
When engine 11 does not work, i.e., under pure electronic operating mode, coolant circulation is driven using high-temperature water pump 14, is utilized Speed changer heating realizes that engine 11 preheats, and prevents that the temperature of engine 11 is too low, and lubricating oil viscosity is relatively low when causing to restart, Frictional resistance is excessive, distributive value increase, cause oil consumption increase and pollutant emission increase, so as to effectively lifted vehicle economy and Discharge performance.
The sequencing of above example only for ease of describing, does not represent the quality of embodiment.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that:It still may be used To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic; And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and Scope.

Claims (8)

1. a kind of thermal management system of whole of plug-in hybrid-power automobile, it is characterised in that including High-temperature cooling system, medium temperature Cooling system, low-temperature cooling system, battery cooling system and air-conditioning system;
The High-temperature cooling system include high temperature heat sink, mechanical water pump, engine, speed changer heat exchanger, oil cooler, High-temperature water pump and indoor warm air radiator;
The coolant inlet of the mechanical water pump connects with the cooling liquid outlet of the high temperature heat sink, the mechanical water pump it is cold But liquid outlet connects with the coolant inlet of engine, the cooling liquid outlet of the engine and the cooling of the high temperature heat sink Liquid entrance connects;Coolant inlet of the cooling liquid outlet of the cooling line of the engine also with the speed changer heat exchanger Connection, the cooling liquid outlet of the speed changer heat exchanger connect with the coolant inlet of the oil cooler, the machine oil The coolant inlet of cooler connects with the coolant inlet of the high-temperature water pump, the cooling liquid outlet of the high-temperature water pump and institute State the coolant inlet connection of indoor warm air radiator, coolant inlet and the mechanical water pump of the indoor warm air radiator Coolant inlet connection;
The medium temperature cooling system includes middle temperature radiator, middle warm water pump, charge air cooler and turbocharger;
The cooling liquid outlet of the middle temperature radiator connects with the coolant inlet of the middle warm water pump, the middle warm water pump it is cold But liquid outlet connects with the coolant inlet of the charge air cooler, the cooling liquid outlet of the charge air cooler and the middle temperature radiator Coolant inlet connects;The cooling liquid outlet of the middle warm water pump also connects with the coolant inlet of turbocharger, the whirlpool The cooling liquid outlet of wheel booster connects with the coolant inlet of the middle temperature radiator;
The low-temperature cooling system includes low-temperature radiator, electric machine controller, low temperature water pump and motor;
The cooling liquid outlet of the low-temperature radiator is connected to the coolant inlet of the electric machine controller, the electric machine controller Cooling liquid outlet be connected to the coolant inlet of the low temperature water pump, the cooling liquid outlet of the low temperature water pump is connected to described The coolant inlet of motor, the cooling liquid outlet of the motor are connected to the coolant inlet of the low-temperature radiator;
The battery cooling system includes battery cooling heat exchanger, battery water pump, electrokinetic cell, DCDC, charger and battery Cool down expansion valve;
The cooling liquid outlet of the battery water pump is connected to the coolant inlet of the electrokinetic cell, the cooling of the electrokinetic cell Liquid exports the coolant inlet for being connected to the DCDC, the coolant inlet of the cooling liquid outlet of the DCDC and the charger Connection, the cooling liquid outlet of the charger connect with the coolant inlet of battery cooling heat exchanger, and the battery is cold But the cooling liquid outlet of heat exchanger connects with the coolant inlet of the battery water pump, and the battery cools down the cold of heat exchanger But liquid entrance connects with cooling liquid outlet;
The air-conditioning system includes air conditioner refrigerating expansion valve, evaporator, wind and warms up PTC, electric air-conditioning compressor and condenser;
The refrigerant outlet of the electric air-conditioning compressor connects with the refrigerant inlet of the condenser, the system of the condenser Cryogen exports to be connected with the air conditioner refrigerating expansion valve and battery cooling expansion valve, the air conditioner refrigerating expansion valve and the steaming The refrigerant inlet connection of device is sent out, the refrigerant inlet of the refrigerant outlet of the evaporator and the electric air-conditioning compressor connects It is logical;Refrigerant inlet of the battery cooling expansion valve also with battery cooling heat exchanger connects, the battery cooling heat The refrigerant outlet of exchanger connects with the refrigerant inlet of the electric air-conditioning compressor;The wind warms up PTC in air-conditioning heating Auxiliary heating is carried out when circulating-heating amount is low.
2. the thermal management system of whole of plug-in hybrid-power automobile according to claim 1, it is characterised in that the change Fast device heat exchanger is the heat exchanger of oil cooling double-clutch speed changer.
3. the thermal management system of whole of plug-in hybrid-power automobile according to claim 1, it is characterised in that in described Cooler is water-cooled charge air cooler.
4. the thermal management system of whole of plug-in hybrid-power automobile according to claim 1, it is characterised in that the electricity Machine is water cooled machine.
5. the thermal management system of whole of plug-in hybrid-power automobile according to claim 1, it is characterised in that described dynamic Power battery is water-cooled electrokinetic cell.
6. the thermal management system of whole of plug-in hybrid-power automobile according to claim 1, it is characterised in that the wind Warm PTC is that low-pressure air warms up PTC.
7. the thermal management system of whole of plug-in hybrid-power automobile according to claim 1, it is characterised in that also include Expansion tank, the cooling liquid outlet with the turbocharger, the interior are warm respectively for the coolant inlet of the expansion tank The coolant inlet of wind radiator connects with the cooling liquid outlet of the electric machine controller, the cooling liquid outlet of the expansion tank Coolant inlet with the mechanical water pump, the coolant inlet of the medium temperature electric water pump and the low temperature water pump respectively Coolant inlet connects.
8. the thermal management system of whole of plug-in hybrid-power automobile according to claim 1, it is characterised in that also include Battery cools down expansion tank, and the coolant inlet of the cooling liquid outlet and the battery water pump of the battery cooling expansion tank connects Logical, the coolant inlet of the battery cooling expansion tank connects with the cooling liquid outlet of battery cooling heat exchanger.
CN201711212905.5A 2017-11-28 2017-11-28 The thermal management system of whole of plug-in hybrid-power automobile Pending CN107839433A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108550960A (en) * 2018-05-15 2018-09-18 浙江吉利控股集团有限公司 Battery Low Temperature Thermal managing device and thermal management algorithm
CN108944392A (en) * 2018-07-16 2018-12-07 北京汽车股份有限公司 Mixed electrical automobile heat management system and mixed electrical automobile
CN108995552A (en) * 2018-07-26 2018-12-14 浙江吉利新能源商用车有限公司 A kind of heat management system and extended-range vehicle for extended-range vehicle
CN109398061A (en) * 2018-12-19 2019-03-01 海马汽车有限公司 Hybrid vehicle heat management system and control method and hybrid vehicle
CN109572365A (en) * 2018-12-27 2019-04-05 重庆长安汽车股份有限公司 Hybrid electric vehicle heat management system
CN110838608A (en) * 2019-11-14 2020-02-25 中车大连机车研究所有限公司 Liquid-cooled heat management device for power battery of hybrid power locomotive
CN113002269A (en) * 2021-04-13 2021-06-22 奇瑞商用车(安徽)有限公司 Whole vehicle thermal management system of hybrid electric vehicle and control method thereof
CN113103849A (en) * 2021-05-31 2021-07-13 蒋学美 Temperature control system and control method for new energy automobile electric system
US11305659B2 (en) 2019-04-03 2022-04-19 Hyundai Motor Company Electric vehicle and cooling method thereof

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108550960A (en) * 2018-05-15 2018-09-18 浙江吉利控股集团有限公司 Battery Low Temperature Thermal managing device and thermal management algorithm
CN108944392A (en) * 2018-07-16 2018-12-07 北京汽车股份有限公司 Mixed electrical automobile heat management system and mixed electrical automobile
CN108995552A (en) * 2018-07-26 2018-12-14 浙江吉利新能源商用车有限公司 A kind of heat management system and extended-range vehicle for extended-range vehicle
CN109398061A (en) * 2018-12-19 2019-03-01 海马汽车有限公司 Hybrid vehicle heat management system and control method and hybrid vehicle
CN109572365A (en) * 2018-12-27 2019-04-05 重庆长安汽车股份有限公司 Hybrid electric vehicle heat management system
US11305659B2 (en) 2019-04-03 2022-04-19 Hyundai Motor Company Electric vehicle and cooling method thereof
CN110838608A (en) * 2019-11-14 2020-02-25 中车大连机车研究所有限公司 Liquid-cooled heat management device for power battery of hybrid power locomotive
CN113002269A (en) * 2021-04-13 2021-06-22 奇瑞商用车(安徽)有限公司 Whole vehicle thermal management system of hybrid electric vehicle and control method thereof
CN113002269B (en) * 2021-04-13 2022-06-07 奇瑞商用车(安徽)有限公司 Whole vehicle thermal management system of hybrid electric vehicle and control method thereof
CN113103849A (en) * 2021-05-31 2021-07-13 蒋学美 Temperature control system and control method for new energy automobile electric system

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