CN112356639A - Oil-electricity hybrid power commercial vehicle thermal management system and use method - Google Patents

Oil-electricity hybrid power commercial vehicle thermal management system and use method Download PDF

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Publication number
CN112356639A
CN112356639A CN202011237810.0A CN202011237810A CN112356639A CN 112356639 A CN112356639 A CN 112356639A CN 202011237810 A CN202011237810 A CN 202011237810A CN 112356639 A CN112356639 A CN 112356639A
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China
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inlet
outlet
communicated
water pump
motor
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CN202011237810.0A
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CN112356639B (en
Inventor
刘中历
程林
汪斌
王为才
唐军
石秀柱
王涛
朱金宝
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Dongfeng Automobile Co Ltd
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Dongfeng Automobile Co Ltd
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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
    • B60H1/004—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for vehicles having a combustion engine and electric drive means, e.g. hybrid electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
    • B60H1/03—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant
    • B60H1/034—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant from the cooling liquid of the propulsion plant and from an electric heating device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/615—Heating or keeping warm
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
    • H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H2001/00307—Component temperature regulation using a liquid flow
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

A heat management system of an oil-electricity hybrid commercial vehicle and a use method thereof mainly comprise an engine, a compressor, a heat exchanger A, a heat exchanger B, a heat exchanger C, a driving motor, an all-in-one controller, an ISG generator, an ISG controller and a refrigerant flowing water path consisting of a power battery, a battery deep cooling water path, a motor deep cooling water path and a motor shallow cooling water path, by switching on and off various water paths, any one of a battery and motor sequential deep cooling process, a battery heating process during heat engine and a motor shallow cooling process is realized, on the basis, a water pump II and a water heater can be additionally arranged to ensure the temperature rise of the battery when the engine is cold, a warm air core body, an evaporator II and an air blower II are additionally arranged to realize the temperature rise and the temperature reduction of the cab, and the temperature rise of the cab has two types according to whether the engine radiates or not, so that the energy of a refrigerant and the heat generated by the vehicle are managed. The design has the advantages of good energy management effect, low equipment cost, good compatibility effect and easy control.

Description

Oil-electricity hybrid power commercial vehicle thermal management system and use method
Technical Field
The invention relates to a vehicle thermal management system, belongs to the technical field of new energy vehicles, and particularly relates to a gasoline-electric hybrid power commercial vehicle thermal management system and a using method thereof.
Background
At present, cooling and heating systems on various gasoline-electric hybrid vehicles in the market are mutually independent, such as gasoline-electric hybrid light trucks and gasoline-electric hybrid refrigerated vehicles, so that not only is energy distribution unreasonable and the energy utilization rate reduced, but also each area needing to be heated or cooled needs to be provided with a heating or cooling system independently, and the equipment cost is increased.
The information disclosed in this background section is only for enhancement of understanding of the general background of the patent application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to overcome the defects and problems of poor energy management effect and high equipment cost in the prior art, and provides a heat management system of an oil-electricity hybrid commercial vehicle and a use method thereof.
In order to achieve the above purpose, the technical solution of the invention is as follows: a heat management system of a gasoline-electricity hybrid commercial vehicle comprises an engine, a driving motor, an all-in-one controller, an ISG generator, an ISG controller and a power battery, wherein the driving motor is communicated with a first water pump after sequentially passing through the ISG generator, the all-in-one controller and the ISG controller, the power battery is communicated with a third water pump, and an engine radiator is arranged beside the engine;
the oil-electricity hybrid power commercial vehicle heat management system further comprises a compressor, a motor radiator, a condenser, a heat exchanger A, a heat exchanger B and a heat exchanger C, wherein the heat exchanger A comprises a first inlet, a first outlet and a second inlet and a second outlet which are communicated with each other;
the first export of second communicates with each other with first entry after compressor, condenser in proper order, the first export of third of the ten heavenly stems communicates with each other with second entry after water pump one, ISG controller, the controller that unifies more, ISG generator, driving motor, the entry with first of the water pump communicates with each other after ISG controller, the controller that unifies more, ISG generator, driving motor, motor radiator in proper order, the export of third of the water pump communicates with each other with the entry of third of the water pump after power battery, the two entrances of first of the ten heavenly stems export in proper order.
A condenser is arranged on one side of the motor radiator, and an engine radiator and an electronic fan are sequentially arranged on the other side of the motor radiator.
The compressor is an electric variable frequency compressor.
The oil-electricity hybrid power commercial vehicle heat management system further comprises a second water pump and a first water heater, an inlet of the second water pump is communicated with a pipeline between an outlet of the first water pump and the first water pump, an outlet of the second water pump is communicated with an inlet of the first water heater, and an outlet of the second water heater is communicated with a pipeline between a driving motor and an inlet of the second water heater.
The oil-electricity hybrid power commercial vehicle heat management system further comprises a warm air core body, a second evaporator, a second blower and a second electronic expansion valve, wherein an outlet of the warm air core body is communicated with an inlet of the engine and an inlet of the second water pump;
one end of the electronic expansion valve II is communicated with a pipeline between the first inlet and the condenser, the other end of the electronic expansion valve II is communicated with a pipeline between the compressor and the second outlet after passing through the evaporator II, and the warm air core body is arranged between the evaporator II and the blower II.
The oil-electricity hybrid power commercial vehicle heat management system further comprises a first evaporator, a first air blower and a first electronic expansion valve, one end of the first electronic expansion valve is communicated with a pipeline between the first inlet and the condenser, the other end of the first electronic expansion valve is communicated with a pipeline between the compressor and the second outlet after passing through the first evaporator, and the first air blower is arranged beside the first evaporator.
And the condenser is communicated with the first inlet through an electronic expansion valve III.
The use method of the heat management system of the oil-electricity hybrid commercial vehicle comprises at least one of a battery and motor sequential deep cooling process, a battery heating process during heat engine, a battery heating process during cold engine, a motor shallow cooling process, a cab cooling and heating process and a refrigerating chamber cooling process;
the starting signals of the battery and the motor sequential deep cooling process are that both the power battery and the motor need deep cooling, and the motor needs deep cooling, which means that at least one of a driving motor, an all-in-one controller, an ISG generator and an ISG controller needs deep cooling; the battery and motor sequential deep cooling process comprises the following three water paths which are conducted simultaneously:
a battery deep cooling water channel consisting of a second outlet, a third water pump, a power battery, a second inlet, a second outlet and a second inlet;
a first outlet of the motor, a first water pump, an ISG controller, an all-in-one controller, an ISG generator, a driving motor, a second inlet, a second outlet and a first inlet form a motor deep cooling water path;
the first outlet, the compressor, the condenser, the first inlet, the first outlet and the second inlet form a refrigerant flowing waterway.
The starting signal of the battery warming process during the warming process is that the driving motor is a warming machine and the power battery needs warming; the battery temperature rise process during the heat engine comprises the following two water ways which are conducted simultaneously:
a battery deep cooling water channel consisting of a second outlet, a third water pump, a power battery, a second inlet, a second outlet and a second inlet;
the first outlet of the third pump, the first water pump, the ISG controller, the all-in-one controller, the ISG generator, the driving motor, the second inlet, the second outlet and the first inlet form a motor deep cooling water path.
The cab cooling and heating process comprises a cab cooling process, a cab waste heat heating process and a cab power consumption heating process;
the water paths started in the cab cooling process are as follows: an outlet of the electronic expansion valve II, an evaporator II, a compressor, a condenser and an inlet of the electronic expansion valve II, and meanwhile, the blower blows air to the evaporator II in two directions so as to blow cold energy into the cab for cooling;
the water path started in the cab waste heat temperature rise process is as follows: the outlet of the warm air core body is communicated with the inlet of the warm air core body through the engine, meanwhile, the blower blows air to the warm air core body in two directions to blow heat energy into the cab to be heated, and the engine is in a heat dissipation state;
the water paths started in the cab power consumption heating process are as follows: the outlet of the warm air core body is communicated with the inlet of the warm air core body after sequentially passing through the water pump II and the water heater, meanwhile, the air blower blows air to the warm air core body in two directions to blow heat energy into the cab to be heated, and the engine is in a non-heat dissipation state.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention relates to a heat management system of an oil-electricity hybrid commercial vehicle and a using method thereof, which comprises an engine, a compressor, a motor radiator, a condenser, a first heat exchanger, a second heat exchanger, a third heat exchanger, a driving motor, an all-in-one controller, an ISG generator, an ISG controller and a refrigerant flowing water path consisting of a power battery, a battery deep cooling water path, a motor deep cooling water path and a motor shallow cooling water path, wherein when the heat management system is applied, the battery and the motor can be subjected to any one of a deep cooling process, a battery heating process during heat engine and a motor shallow cooling process in sequence by switching on and off various water paths, the battery and the motor can be heated by using the waste heat of the motor, the motor cooling and the battery heating can be completed simultaneously, the waste heat recovery is more sufficient and reasonable, the utilization sequence of the refrigerant can be limited to the first battery and then the motor so as to meet the actual requirement, the utilization rate of the refrigerant is improved, so that the utilization rate of energy on the vehicle is integrally improved, meanwhile, matched cooling and heating systems are reduced, the vehicle cost is reduced, the market competitiveness is improved, and the effect is better when the refrigerant is particularly applied to a gasoline-electric hybrid power refrigerator. Therefore, the invention not only has better energy management effect, but also has lower equipment cost.
2. The invention relates to a heat management system of an oil-electricity hybrid commercial vehicle and a using method thereof.A water pump II and a water heater are additionally arranged, wherein an inlet of the water pump II is communicated with a pipeline between a first water outlet and a first water pump, an outlet of the water pump II is communicated with an inlet of the water heater, and an outlet of the water heater is communicated with a pipeline between a driving motor and a second water inlet. Therefore, the invention not only can ensure the use requirement of the battery temperature, but also has better energy management effect.
3. The invention relates to a heat management system of a gasoline-electricity hybrid commercial vehicle and a using method thereof, wherein a warm air core body, an evaporator II, a blower II and an electronic expansion valve II are additionally arranged, wherein an outlet of the warm air core body is communicated with an inlet of an engine and an inlet of a water pump II, an outlet of the engine is communicated with an inlet of the warm air core body, an outlet of the water pump II is communicated with an inlet of the warm air core body after passing through a water heater, one end of the electronic expansion valve II is communicated with a pipeline between a first inlet and a condenser, the other end of the electronic expansion valve II is communicated with a pipeline between a compressor and a second outlet after passing through the evaporator II, when the vehicle is applied, when the vehicle cab needs to be heated, two modes are provided, namely a cab waste heat heating process when the engine is in a heat dissipation state, and a cab power consumption heating process when the engine is in a non-heat dissipation state, the heat, the utilization ratio of energy has been improved, the rate of utilization of water heater has still been reduced, the electric energy has been saved, in addition, evaporimeter two can also be followed compressor, condenser place water route and borrow cold to reduce the temperature of driver's cabin, thereby realize the heating and air conditioning function of driver's cabin, finally, realize that the spare part of temperature management all imbeds in basic refrigerant flow water route, battery cooling water route, motor cooling water route to the driver's cabin, avoid additionally being equipped with heating, cooling device, the cost is reduced. Therefore, the invention can not only carry out multi-mode temperature rise on the cab and improve the energy utilization rate, but also has better compatible effect and lower realization cost.
4. The invention relates to a heat management system of a gasoline-electric hybrid commercial vehicle and a using method thereof, wherein the whole system comprises a deep cooling water path and a shallow cooling water path of a motor, a deep cooling water path and a shallow cooling water path of a battery, two temperature rising water paths of the battery, a temperature lowering water path of a cab, two temperature rising water paths of the cab and a temperature lowering water path of a refrigerating chamber, and one system realizes the requirements of temperature rising and temperature lowering of a plurality of regions and a plurality of types, thereby not only having complete functions, but also relating the temperature requirements of different parts of the vehicle, managing the whole, improving the energy management efficiency, avoiding the use of a large number of heating and refrigerating corollary equipment, reducing the cost, realizing the on-off of various water paths through a plurality of three-way electronic valves, directly carrying out signal control by a VCU, not only ensuring the normal realization of multiple functions, but also reducing the operation difficulty and improving the control efficiency, the control cost is also reduced. Therefore, the invention has the advantages of stronger overall function, higher energy management efficiency, easy operation and lower control cost.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of the connection between the first heat exchanger, the second heat exchanger and the third heat exchanger.
FIG. 3 is a schematic view of the structure of the first heat exchanger in the present invention.
Fig. 4 is a schematic structural diagram of a refrigerant flow water path, a battery deep cooling water path, and a motor deep cooling water path according to the present invention.
Fig. 5 is a schematic structural diagram of a shallow cooling water path of the motor in the invention.
FIG. 6 is a schematic diagram of the water path for warming the battery when the refrigerator of the present invention is cold.
Fig. 7 is a schematic view of a waterway in the case of raising and lowering the temperature of the cab in the present invention.
FIG. 8 is a schematic view of a water path for cooling the refrigerating compartment according to the present invention.
In the figure: the system comprises a first electronic expansion valve 1, a first evaporator 11, a first blower 12, a second electronic expansion valve 2, a second evaporator 21, a second blower 22, a warm air core 23, a third electronic expansion valve 3, a compressor 31, a condenser 32, a power battery 4, a third water pump 41, a driving motor 5, a first water pump 51, an all-in-one controller 52, a motor radiator 53, an electronic fan 54, an ISG generator 55, an ISG controller 56, a first heat exchanger 6, a first inlet 61, a first outlet 62, a second inlet 63, a second outlet 64, a second heat exchanger 7, a first inlet 71, a first outlet 72, a second inlet 73, a second outlet 74, a third heat exchanger 8, a first inlet 81, a first outlet 82, a second inlet 83, a second outlet 84, a water heater 9, a second water pump 91, a three-way electronic valve assembly 10, a first three-way electronic valve 101, a second three-way electronic valve 102, a third three-way electronic valve 103, a fourth three-way electronic valve 104, A fifth three-way electronic valve 105, a sixth three-way electronic valve 106, a seventh three-way electronic valve 107, an eighth three-way electronic valve 108, a ninth three-way electronic valve 109, a tenth three-way electronic valve 110, an eleventh three-way electronic valve 111, a twelfth three-way electronic valve 112, a thirteenth three-way electronic valve 113, a fourteenth three-way electronic valve 114, an engine 13 and an engine radiator 131.
Detailed Description
The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 8, the thermal management system for the oil-electric hybrid commercial vehicle comprises an engine 13, a driving motor 5, an all-in-one controller 52, an ISG generator 55, an ISG controller 56 and a power battery 4, wherein the driving motor 5 is communicated with a first water pump 51 after sequentially passing through the ISG generator 55, the all-in-one controller 52 and the ISG controller 56, the power battery 4 is communicated with a third water pump 41, and an engine radiator 131 is arranged beside the engine 13;
the oil-electricity hybrid commercial vehicle heat management system further comprises a compressor 31, a motor radiator 53, a condenser 32, a first heat exchanger 6, a second heat exchanger 7 and a third heat exchanger 8, wherein the first heat exchanger 6 comprises a first inlet 61, a first outlet 62, a second inlet 63 and a second outlet 64 which are communicated with each other, the second heat exchanger 7 comprises a second inlet 71 and a second outlet 72 which are communicated with each other, a second inlet 73 and a second outlet 74 which are communicated with each other, the third heat exchanger 8 comprises a first inlet 81, a first outlet 82, a second inlet 83 and a second outlet 84 which are communicated with each other, the first outlet 62 is communicated with the first inlet 71, the second outlet 74 is communicated with the first inlet 81, and the second inlet 83 is communicated with the second outlet 64;
second export 72 communicates with each other with first entry 61 behind compressor 31, condenser 32 in proper order, first export 82 communicates with each other with second entry 73 behind water pump 51, ISG controller 56, the controller 52 that unifies more, ISG generator 55, driving motor 5 in proper order, the export of water pump 51 communicates with each other with the entry of water pump 51 behind ISG controller 56, the controller 52 that unifies more, ISG generator 55, driving motor 5, motor radiator 53 in proper order, the export of water pump three 41 communicates with each other with the entry of water pump three 41 behind power battery 4, first two entry 63, second third export 84 in proper order.
The condenser 32 is disposed on one side of the motor radiator 53, and the engine radiator 131 and the electronic fan 54 are sequentially disposed on the other side of the motor radiator 53.
The compressor 31 is an electric inverter compressor.
The oil-electricity hybrid power commercial vehicle heat management system further comprises a second water pump 91 and a first water heater 9, an inlet of the second water pump 91 is communicated with a pipeline between the first water pump outlet 82 and the first water pump 51, an outlet of the second water pump 91 is communicated with an inlet of the first water heater 9, and an outlet of the second water heater 9 is communicated with a pipeline between the driving motor 5 and the second water inlet 73.
The oil-electricity hybrid power commercial vehicle heat management system further comprises a warm air core 23, a second evaporator 21, a second blower 22 and a second electronic expansion valve 2, wherein an outlet of the warm air core 23 is communicated with an inlet of the engine 13 and an inlet of the second water pump 91, an outlet of the engine 13 is communicated with an inlet of the warm air core 23, and an outlet of the second water pump 91 is communicated with an inlet of the warm air core 23 after passing through the water heater 9;
one end of the second electronic expansion valve 2 is communicated with a pipeline between the first inlet 61 and the condenser 32, the other end of the second electronic expansion valve 2 is communicated with a pipeline between the compressor 31 and the second outlet 72 after passing through the second evaporator 21, and the warm air core 23 is arranged between the second evaporator 21 and the second blower 22.
The oil-electricity hybrid power commercial vehicle heat management system further comprises a first evaporator 11, a first air blower 12 and a first electronic expansion valve 1, one end of the first electronic expansion valve 1 is communicated with a pipeline between the first inlet 61 and the condenser 32, the other end of the first electronic expansion valve 1 is communicated with a pipeline between the compressor 31 and the second outlet 72 after passing through the first evaporator 11, and the first air blower 12 is arranged beside the first evaporator 11.
The condenser 32 is communicated with the first inlet 61 through an electronic expansion valve three 3.
The use method of the heat management system of the oil-electricity hybrid commercial vehicle comprises at least one of a battery and motor sequential deep cooling process, a battery heating process during heat engine, a battery heating process during cold engine, a motor shallow cooling process, a cab cooling and heating process and a refrigerating chamber cooling process;
the starting signals of the battery and motor sequential deep cooling process are that the power battery 4 and the motor both need deep cooling, and the motor needs deep cooling, which means that at least one of the driving motor 5, the all-in-one controller 52, the ISG generator 55 and the ISG controller 56 needs deep cooling; the battery and motor sequential deep cooling process comprises the following three water paths which are conducted simultaneously:
a second third outlet 84, a third water pump 41, a power battery 4, a second inlet 63, a second outlet 64 and a second third inlet 83;
a first-third outlet 82, a first water pump 51, an ISG controller 56, an all-in-one controller 52, an ISG generator 55, a driving motor 5, a second inlet 73, a second outlet 74 and a first-third inlet 81;
a refrigerant flowing water path formed by the second outlet 72, the compressor 31, the condenser 32, the first inlet 61, the first outlet 62 and the second inlet 71.
The starting signal of the battery warming process during the heat engine is that the driving motor 5 is a heat engine, and the power battery 4 needs warming; the battery temperature rise process during the heat engine comprises the following two water ways which are conducted simultaneously:
a second third outlet 84, a third water pump 41, a power battery 4, a second inlet 63, a second outlet 64 and a second third inlet 83;
the first-third outlet 82, the first water pump 51, the ISG controller 56, the all-in-one controller 52, the ISG generator 55, the driving motor 5, the second inlet 73, the second outlet 74 and the first-third inlet 81 form a motor deep cooling water path.
The cab cooling and heating process comprises a cab cooling process, a cab waste heat heating process and a cab power consumption heating process;
the water paths started in the cab cooling process are as follows: an outlet of the electronic expansion valve II 2, the evaporator II 21, the compressor 31, the condenser 32 and an inlet of the electronic expansion valve II 2, and meanwhile, the blower II 22 blows air to the evaporator II 21 to blow cold energy into the cab to cool;
the water path started in the cab waste heat temperature rise process is as follows: the outlet of the warm air core 23 is communicated with the inlet of the warm air core 23 through the engine 13, meanwhile, the second air blower 22 blows air to the warm air core 23 to blow heat energy into the cab to be heated, and the engine 13 is in a heat dissipation state;
the water paths started in the cab power consumption heating process are as follows: the outlet of the warm air core 23 is communicated with the inlet of the warm air core 23 after passing through the water pump II 91 and the water heater 9 in sequence, meanwhile, the air blower II 22 blows air to the warm air core 23 to blow heat energy into the cab to be heated, and the engine 13 is in a non-heat-dissipation state.
The principle of the invention is illustrated as follows:
the first heat exchanger 6, the second heat exchanger 7 and the third heat exchanger 8 have the same structure, and the mutual communication relationship between the first outlet and the first inlet and the mutual communication relationship between the second outlet and the second inlet are the same.
In order to improve the control efficiency of the on-off of each water path and reduce the control cost, fourteen three-way electronic valves (all of which can be controlled and adjusted by VCUs) are arranged, namely a first three-way electronic valve 101, a second three-way electronic valve 102, a third three-way electronic valve 103, a fourth three-way electronic valve 104, a fifth three-way electronic valve 105, a sixth three-way electronic valve 106, a seventh three-way electronic valve 107, an eighth three-way electronic valve 108, a ninth three-way electronic valve 109, a tenth three-way electronic valve 110, an eleventh three-way electronic valve 111, a twelfth three-way electronic valve 112, a thirteenth three-way electronic valve 113 and a fourteen three-way electronic valve 114, in specific application, fourteen three-way electronic valves are integrated for use, fourteen three-way electronic valves can be integrated into one three-way electronic valve assembly 10, and every seven three-way electronic valves can be integrated into one assembly, so that two three-way electronic valve assemblies 10 are formed.
Example 1:
hardware structure: referring to fig. 1-8, a thermal management system for a gasoline-electric hybrid commercial vehicle comprises an engine 13, a driving motor 5, an all-in-one controller 52, an ISG generator 55, an ISG controller 56, a power battery 4, a compressor 31, a motor radiator 53, a condenser 32, a first heat exchanger 6, a second heat exchanger 7 and a third heat exchanger 8; the first heat exchanger 6 comprises a first inlet 61, a first outlet 62, a second inlet 63 and a second outlet 64 which are communicated with each other, the second heat exchanger 7 comprises a first inlet 71, a second outlet 72, a second inlet 73 and a second outlet 74 which are communicated with each other, the third heat exchanger 8 comprises a first inlet 81, a first outlet 82, a second inlet 83 and a second outlet 84 which are communicated with each other, the first outlet 62 is communicated with the first inlet 71, the second outlet 74 is communicated with the first inlet 81, and the second inlet 83 is communicated with the second outlet 64; second export 72 communicates with each other with first entry 61 behind compressor 31, condenser 32 in proper order, first export 82 communicates with each other with second entry 73 behind water pump 51, ISG controller 56, the controller 52 that unifies more, ISG generator 55, driving motor 5 in proper order, the export of water pump 51 communicates with each other with the entry of water pump 51 behind ISG controller 56, the controller 52 that unifies more, ISG generator 55, driving motor 5, motor radiator 53 in proper order, the export of water pump three 41 communicates with each other with the entry of water pump three 41 behind power battery 4, first two entry 63, second third export 84 in proper order. The condenser 32 is disposed on one side of the motor radiator 53, and the engine radiator 131 and the electronic fan 54 are sequentially disposed on the other side of the motor radiator 53. Preferably, the compressor 31 is an electric inverter compressor.
The using method comprises the following steps: a use method of the heat management system of the oil-electricity hybrid power commercial vehicle only refers to a battery and motor sequential deep cooling process; the starting signals of the battery and motor sequential deep cooling process are that the power battery 4 and the motor both need deep cooling, and the motor needs deep cooling, which means that at least one of the driving motor 5, the all-in-one controller 52, the ISG generator 55 and the ISG controller 56 needs deep cooling; the battery and motor sequential deep cooling process comprises the following three water paths which are conducted simultaneously:
a second third outlet 84, a third water pump 41, a power battery 4, a second inlet 63, a second outlet 64 and a second third inlet 83;
a first-third outlet 82, a first water pump 51, an ISG controller 56, an all-in-one controller 52, an ISG generator 55, a driving motor 5, a second inlet 73, a second outlet 74 and a first-third inlet 81;
a refrigerant flowing water path formed by the second outlet 72, the compressor 31, the condenser 32, the first inlet 61, the first outlet 62 and the second inlet 71.
Example 2:
the hardware structure is different from the embodiment 1 in the using method, and the difference is that:
referring to fig. 2, fig. 3 and fig. 4, the usage method is not a battery and motor sequential deep cooling process, but a battery warming process at the time of heat engine, wherein the starting signal of the battery warming process at the time of heat engine is that the driving motor 5 is the heat engine, and the power battery 4 needs warming; the battery temperature rise process during the heat engine comprises the following two water ways which are conducted simultaneously:
a second third outlet 84, a third water pump 41, a power battery 4, a second inlet 63, a second outlet 64 and a second third inlet 83; the first-third outlet 82, the first water pump 51, the ISG controller 56, the all-in-one controller 52, the ISG generator 55, the driving motor 5, the second inlet 73, the second outlet 74 and the first-third inlet 81 form a motor deep cooling water path. When the device is used, the power battery 4 is heated up through the waste heat of the driving motor 5, and the dual requirements of motor cooling and battery heating are taken into consideration.
In addition, when the motor needs shallow cooling, there is another method, namely, the motor is only directly cooled, and the battery is not heated, and the starting signal is that the temperature of at least one of the driving motor 5, the all-in-one controller 52, the ISG generator 55 and the ISG controller 56 exceeds the set temperature, see fig. 5, which is a schematic structural diagram of the motor shallow cooling water path in the present invention, and the specific process is as follows: and the outlet of the first water pump 51, the ISG controller 56, the all-in-one controller 52, the ISG generator 55, the driving motor 5, the motor radiator 53 and the inlet of the first water pump 51 form a motor shallow cooling water channel.
Example 3:
the second water pump 91, the second water heater 9, the warm air core 23, the second evaporator 21, the second blower 22 and the second electronic expansion valve 2 are additionally arranged on the basis of the hardware structure of the embodiment 1.
Referring to fig. 6, the water path schematic diagram of the battery temperature rise when the refrigerator is cold is shown, and the specific process is as follows: a water heating and warming water channel consisting of an outlet of the second water pump 91, a water heater 9 (preferably PTC), a second inlet 73, a second outlet 74, a first inlet 81, a first outlet 82 and an inlet of the second water pump 91; meanwhile, the battery deep cooling water path formed by the second third outlet 84, the third water pump 41, the power battery 4, the second inlet 63, the second outlet 64 and the second third inlet 83 exchanges heat with the water heating temperature raising water path in the heat exchanger at the moment so as to raise the temperature of the power battery 4.
Example 4:
based on the hardware structure of embodiment 3. Referring to fig. 7, the diagram is a schematic view of a water path when the cab is heated and cooled, namely, a cab cooling and heating process, which includes a cab cooling process, a cab waste heat heating process, and a cab power consumption heating process;
the water paths started in the cab cooling process are as follows: an outlet of the electronic expansion valve II 2, the evaporator II 21, the compressor 31, the condenser 32 and an inlet of the electronic expansion valve II 2, and meanwhile, the blower II 22 blows air to the evaporator II 21 to blow cold energy into the cab to cool;
the water path started in the cab waste heat temperature rise process is as follows: the outlet of the warm air core 23 is communicated with the inlet of the warm air core 23 through the engine 13, meanwhile, the second air blower 22 blows air to the warm air core 23 to blow heat energy into the cab to be heated, and the engine 13 is in a heat dissipation state;
the water paths started in the cab power consumption heating process are as follows: the outlet of the warm air core 23 is communicated with the inlet of the warm air core 23 after passing through the water pump II 91 and the water heater 9 in sequence, meanwhile, the air blower II 22 blows air to the warm air core 23 to blow heat energy into the cab to be heated, and the engine 13 is in a non-heat-dissipation state.
Example 5:
on the basis of the hardware structure of the embodiment 1, a first evaporator 11, a first blower 12 and a first electronic expansion valve 1 are additionally arranged. Referring to fig. 8, the water path diagram is a schematic diagram of a cooling water path of the refrigerating chamber, and the specific process includes an outlet of the electronic expansion valve one 1, an evaporator one 11, a compressor 31, a condenser 32, and an inlet of the electronic expansion valve one 1, and meanwhile, the blower one 12 blows air to the evaporator one 11 to blow cold air to the refrigerating chamber for cooling.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiment, but equivalent modifications or changes made by those skilled in the art according to the present disclosure should be included in the scope of the present invention as set forth in the appended claims.

Claims (10)

1. The utility model provides a hot management system of oil-electricity hybrid vehicle, includes engine (13), driving motor (5), unifies controller (52), ISG generator (55), ISG controller (56) and power battery (4) more, driving motor (5) communicate with each other with water pump (51) after ISG generator (55), unifies controller (52), ISG controller (56) in proper order, power battery (4) communicate with each other with three (41) of water pump, and be provided with engine radiator (131) at the side of engine (13), its characterized in that:
the oil-electricity hybrid commercial vehicle heat management system also comprises a compressor (31), a motor radiator (53), a condenser (32), a first heat exchanger (6), a second heat exchanger (7) and a third heat exchanger (8), the first heat exchanger (6) comprises a first inlet (61), a first outlet (62), a second inlet (63) and a second outlet (64) which are communicated with each other, the second heat exchanger (7) comprises a first inlet (71), a second outlet (72), a second inlet (73) and a second outlet (74) which are communicated with each other, the third heat exchanger (8) comprises a first inlet (81), a first outlet (82), a second inlet (83) and a second outlet (84) which are communicated with each other, the first-stage outlet (62) is communicated with the first-stage inlet (71), the second-stage outlet (74) is communicated with the first-stage inlet (81), and the second-stage inlet (83) is communicated with the second-stage outlet (64);
second export (72) communicate with each other with first entry (61) behind compressor (31), condenser (32) in proper order, first export (82) communicate with each other with second entry (73) behind water pump (51), ISG controller (56), all-in-one controller (52), ISG generator (55), driving motor (5) in proper order, the export of water pump (51) communicates with each other with the entry of water pump (51) behind ISG controller (56), all-in-one controller (52), ISG generator (55), driving motor (5), motor radiator (53) in proper order, the export of water pump three (41) communicates with each other with the entry of water pump three (41) behind power battery (4), second entry (63), second third export (84) in proper order.
2. The oil-electric hybrid commercial vehicle thermal management system according to claim 1, characterized in that: a condenser (32) is arranged on one side of the motor radiator (53), and an engine radiator (131) and an electronic fan (54) are sequentially arranged on the other side of the motor radiator (53).
3. The oil-electric hybrid commercial vehicle thermal management system according to claim 1 or 2, characterized in that: the compressor (31) is an electric variable-frequency compressor.
4. The oil-electric hybrid commercial vehicle thermal management system according to claim 1 or 2, characterized in that: the oil-electricity hybrid power commercial vehicle heat management system further comprises a second water pump (91) and a first water heater (9), a pipeline between an inlet of the second water pump (91) and the first water pump (82) and a pipeline between the first water pump (51) are communicated, an outlet of the second water pump (91) is communicated with an inlet of the second water heater (9), and an outlet of the second water heater (9) is communicated with a pipeline between a driving motor (5) and a second water inlet (73).
5. The gasoline-electric hybrid commercial vehicle thermal management system of claim 4, wherein: the oil-electricity hybrid commercial vehicle heat management system further comprises a warm air core body (23), a second evaporator (21), a second blower (22) and a second electronic expansion valve (2), wherein an outlet of the warm air core body (23) is communicated with an inlet of the engine (13) and an inlet of the second water pump (91), an outlet of the engine (13) is communicated with an inlet of the warm air core body (23), and an outlet of the second water pump (91) is communicated with an inlet of the warm air core body (23) after passing through the water heater (9);
one end of the electronic expansion valve II (2) is communicated with a pipeline between the first inlet (61) and the condenser (32), the other end of the electronic expansion valve II (2) is communicated with a pipeline between the compressor (31) and the second outlet (72) after passing through the evaporator II (21), and the warm air core body (23) is arranged between the evaporator II (21) and the blower II (22).
6. The oil-electric hybrid commercial vehicle thermal management system according to claim 1 or 2, characterized in that: the oil-electricity hybrid power commercial vehicle heat management system further comprises a first evaporator (11), a first air blower (12) and a first electronic expansion valve (1), wherein a pipeline between one end of the first electronic expansion valve (1) and the first inlet (61) and the condenser (32) is communicated, the other end of the first electronic expansion valve (1) is communicated with a pipeline between the compressor (31) and the first outlet (72) after passing through the first evaporator (11), and the first air blower (12) is arranged beside the first evaporator (11).
7. The oil-electric hybrid commercial vehicle thermal management system according to claim 1 or 2, characterized in that: the condenser (32) is communicated with the first inlet (61) through an electronic expansion valve III (3).
8. The use method of the heat management system of the gasoline-electric hybrid commercial vehicle as claimed in claim 1 is characterized in that: the use method comprises at least one of a battery and motor sequential deep cooling process, a battery warming process during heat engine, a battery warming process during cold engine, a motor shallow cooling process, a cab cooling and warming process and a refrigerating chamber cooling process;
the starting signals of the battery and the motor sequential deep cooling process are that both the power battery (4) and the motor need deep cooling, and the motor need deep cooling means that at least one of the driving motor (5), the all-in-one controller (52), the ISG generator (55) and the ISG controller (56) needs deep cooling; the battery and motor sequential deep cooling process comprises the following three water paths which are conducted simultaneously:
a second outlet (84), a third water pump (41), a power battery (4), a second inlet (63), a second outlet (64) and a second inlet (83);
the motor cryogenic cooling water channel is composed of a first-third outlet (82), a first water pump (51), an ISG controller (56), a multi-in-one controller (52), an ISG generator (55), a driving motor (5), a second inlet (73), a second outlet (74) and a first-third inlet (81);
a first outlet (72), a compressor (31), a condenser (32), a first inlet (61), a first outlet (62) and a second inlet (71).
9. The use method of the heat management system of the gasoline-electric hybrid commercial vehicle according to claim 8, characterized in that: the starting signal of the battery warming process during the heat engine is that the driving motor (5) is the heat engine, and the power battery (4) needs warming; the battery temperature rise process during the heat engine comprises the following two water ways which are conducted simultaneously:
a second outlet (84), a third water pump (41), a power battery (4), a second inlet (63), a second outlet (64) and a second inlet (83);
the motor cryogenic cooling water channel is composed of a first-third outlet (82), a first water pump (51), an ISG controller (56), a multi-in-one controller (52), an ISG generator (55), a driving motor (5), a second inlet (73), a second outlet (74) and a first-third inlet (81).
10. The use method of the heat management system of the gasoline-electric hybrid commercial vehicle according to claim 8, characterized in that: the cab cooling and heating process comprises a cab cooling process, a cab waste heat heating process and a cab power consumption heating process;
the water paths started in the cab cooling process are as follows: an outlet of the electronic expansion valve II (2), an evaporator II (21), a compressor (31), a condenser (32) and an inlet of the electronic expansion valve II (2), and meanwhile, a blower II (22) blows air to the evaporator II (21) to blow cold energy into the cab to cool;
the water path started in the cab waste heat temperature rise process is as follows: an outlet of the warm air core body (23) is communicated with an inlet of the warm air core body (23) through an engine (13), meanwhile, a second air blower (22) blows air to the warm air core body (23) to blow heat energy into a cab to be heated, and the engine (13) is in a heat dissipation state;
the water paths started in the cab power consumption heating process are as follows: the outlet of the warm air core body (23) is communicated with the inlet of the warm air core body (23) after sequentially passing through a second water pump (91) and a water heater (9), meanwhile, a second air blower (22) blows air to the warm air core body (23) to blow heat energy into the cab to be heated, and the engine (13) is in a non-heat-dissipation state.
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