CN114604056B - Fuel cell automobile whole automobile thermal management system - Google Patents

Fuel cell automobile whole automobile thermal management system Download PDF

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Publication number
CN114604056B
CN114604056B CN202210242315.1A CN202210242315A CN114604056B CN 114604056 B CN114604056 B CN 114604056B CN 202210242315 A CN202210242315 A CN 202210242315A CN 114604056 B CN114604056 B CN 114604056B
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circulation loop
way valve
cooling
cooling liquid
water
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CN114604056A (en
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李明
朱祥昆
刘研
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Jilin University
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Jilin University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
    • B60H1/025—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from both the cooling liquid and the exhaust gases of the propulsion plant
    • 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
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/3228—Cooling devices using compression characterised by refrigerant circuit configurations
    • B60H1/32284—Cooling devices using compression characterised by refrigerant circuit configurations comprising two or more secondary circuits, e.g. at evaporator and condenser side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
    • B60L58/32—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load
    • B60L58/33—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load 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
    • B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
    • B60L58/32—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load
    • B60L58/34—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load by heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H2001/00307—Component temperature regulation using a liquid flow
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Fuel Cell (AREA)

Abstract

The invention discloses a fuel cell car whole car heat management system, the battery heat management system includes: the electric pile, the fourth electronic water pump, the second expansion tank, the second radiator fan, the first five-way valve, the second Chiller and the second five-way valve; the power battery management system includes: the device comprises a liquid cooling plate, a third electronic water pump, a first expansion water tank, a third radiator, a third radiating fan, a first five-way valve, a second Chiller and a second five-way valve; a passenger compartment thermal management system comprising: the system comprises an electric compressor, a water-cooled condenser, a first electronic expansion valve, a first three-way valve, an outdoor heat exchanger, a first cooling fan, a second two-way valve, a second electronic expansion valve, an evaporator, a gas-liquid separator, a water heating PTC, a second electronic water pump, a warm air water tank and a third three-way valve which are sequentially communicated; a motor thermal management system. The problem that the fuel cell automobile is difficult to start in cold when the ambient temperature is low can be solved, and the waste heat is effectively utilized.

Description

Fuel cell automobile whole automobile thermal management system
Technical Field
The invention relates to a whole car heat management system of a fuel cell car, belonging to the technical field of car air conditioners.
Background
Under the large background of aggravation of global environmental pollution and shortage of energy sources, the development of new energy automobiles tends to be huge, and fuel cells convert chemical energy into electric energy through electrochemical reaction of hydrogen and oxygen without consuming traditional fossil energy, so that zero pollution of the fuel cell automobiles in the driving process can be realized. With future more and more importance attached to fuel cell related research, fuel cell automobiles will further develop.
For the existing fuel cell automobile thermal management system, when the ambient temperature is low, the fuel cell automobile can have the problems of difficult or even failure cold start, and the passenger cabin heating can also cause larger power consumption. And secondly, when the fuel cell automobile runs, most of heat generated by each system is taken away by cooling liquid, so that the waste heat of each subsystem can not be well utilized, and the efficiency of the fuel cell automobile is reduced.
Disclosure of Invention
The invention designs and develops a whole fuel cell automobile thermal management system, which can solve the problem that the fuel cell automobile is difficult to cold start when the environmental temperature is low, safely and effectively utilizes the waste heat and improves the efficiency of the fuel cell automobile.
The technical scheme provided by the invention is as follows:
a fuel cell automotive vehicle thermal management system comprising:
the electric pile, the fourth electronic water pump, the second expansion water tank, the second cooling fan, the first five-way valve and the second five-way valve which are sequentially communicated form a first cooling liquid circulation loop;
the second cooling liquid circulation loop is formed by a pile, a fourth electronic water pump, a second expansion water tank, a first five-way valve, a second Chiller and a second five-way valve which are sequentially communicated;
the liquid cooling plate, the third electronic water pump, the first expansion water tank, the third radiator, the third cooling fan, the first five-way valve and the second five-way valve are sequentially communicated to form a third cooling liquid circulation loop;
the liquid cooling plate, the third electronic water pump, the first expansion water tank, the first five-way valve, the second Chiller and the second five-way valve are sequentially communicated to form a fourth cooling liquid circulation loop;
the electric compressor, the water-cooled condenser, the first electronic expansion valve, the first three-way valve, the outdoor heat exchanger, the first cooling fan, the second two-way valve, the second electronic expansion valve, the evaporator and the gas-liquid separator which are sequentially communicated form a refrigerant circulation loop;
the water heating PTC, the second electronic water pump, the warm air water tank and the third three-way valve which are sequentially communicated form a fifth cooling liquid circulation loop;
the first electronic water pump, the air compressor, the DC-DC, the third three-way valve, the third radiator and the first Chiller are sequentially communicated to form a sixth cooling liquid circulation loop;
when the passenger cabin heating and waste heat recovery mode is in, the sixth cooling liquid circulation loop is in a communication state;
when the water heating PTC is in the passenger cabin heating and battery heating mode or in the passenger cabin heating and electric pile heating mode, the water heating PTC starts to work and is communicated with a third three-way valve, a second Chiller, a warm air water tank, a second electronic water pump and a water-cooled condenser;
when the passenger cabin heating and battery waste heat recovery mode is adopted, the second Chiller is opened, and the third cooling liquid circulation loop is communicated with the fifth cooling liquid circulation loop;
when the passenger cabin heating and pile waste heat recovery mode is adopted, the second Chiller is opened, and the second cooling liquid circulation loop is communicated with the fifth cooling circulation loop.
Preferably, the method further comprises: a passenger compartment cooling mode, comprising:
the refrigerant flows through: the device comprises an electric compressor, a water-cooled condenser, a first electronic expansion valve, a first three-way valve, an outdoor heat exchanger, a first electronic expansion valve, an evaporator, a gas-liquid separator and an electric compressor;
wherein the first electronic water pump does not work;
passenger cabin cooling+stack cooling mode, comprising:
refrigerant flows through the passenger compartment cooling mode, the second coolant circulation loop:
the stack cooling liquid flows through: the device comprises an electric compressor, a water-cooled condenser, a first electronic expansion valve, a first three-way valve, an outdoor heat exchanger, a second electronic expansion valve, a second Chiller, a gas-liquid separator and an electric compressor.
Preferably, the method further comprises:
passenger compartment cooling+battery cooling mode, comprising:
refrigerant flows through the passenger compartment cooling mode, the second coolant circulation loop:
the fourth coolant circulation loop is communicated through which the battery coolant flows.
Preferably, the method further comprises:
a passenger compartment heating mode, comprising:
the refrigerant flows through: the device comprises an electric compressor, a water-cooled condenser, a first electronic expansion valve, a first three-way valve, an outdoor heat exchanger, a first two-way valve, a first Chiller, a gas-liquid separator and an electric compressor
Wherein the water-cooled condenser works;
the fifth cooling liquid circulation loop is communicated, and warm air cooling liquid flows through the fifth cooling liquid circulation loop.
Preferably, the method further comprises:
a radiator fan-battery cooling mode, comprising:
the third coolant circulation loop is communicated, and the battery coolant flows through the third coolant circulation loop.
Preferably, the method further comprises:
a radiator fan-stack cooling mode, comprising:
the first cooling liquid circulation loop is communicated, and the pile cooling liquid flows through the first cooling liquid circulation loop.
Preferably, the method further comprises:
a PTC-battery heating mode, comprising:
the third cooling liquid circulation loop is communicated, and battery cooling liquid flows through the third cooling liquid circulation loop;
the second Chiller is opened, the fifth cooling liquid circulation loop is communicated, the second Chiller is communicated with the fifth cooling liquid circulation loop, and the warm air cooling liquid flows through the fifth cooling liquid circulation loop and the second Chiller.
Preferably, the method further comprises:
a PTC-stack heating mode, comprising:
the first cooling liquid circulation loop is communicated, and the pile cooling liquid flows through the first cooling liquid circulation loop;
the second Chiller is opened, the fifth cooling liquid circulation loop is communicated, the second Chiller is communicated with the fifth cooling liquid circulation loop, and the warm air cooling liquid flows through the fifth cooling liquid circulation loop and the second Chiller.
Preferably, the method further comprises:
a passenger compartment cooling + radiator fan-battery cooling mode, comprising:
the refrigerant flows through: electric compressor, water-cooled condenser, first electronic expansion valve, first three-way valve, outdoor heat exchanger, second electronic expansion valve, evaporator, gas-liquid separator and electric compressor
Wherein the water-cooled condenser does not work;
the refrigerant flows through: the system comprises an electric compressor, a water-cooled condenser, a first electronic expansion valve, a first three-way valve, an outdoor heat exchanger, a second electronic expansion valve, a second Chiller, a gas-liquid separator and an electric compressor;
the fourth cooling liquid circulation loop is communicated, and the battery cooling liquid flows through the fourth cooling liquid circulation loop;
the third coolant circulation loop is communicated, and the battery coolant flows through the third coolant circulation loop.
Preferably, the method further comprises:
a passenger compartment cooling + radiator fan-stack cooling mode comprising:
the refrigerant flows through: electric compressor, water-cooled condenser, first electronic expansion valve, first three-way valve, outdoor heat exchanger, second electronic expansion valve, evaporator, gas-liquid separator and electric compressor
Wherein the water-cooled condenser does not work;
the refrigerant flows through: the system comprises an electric compressor, a water-cooled condenser, a first electronic expansion valve, a first three-way valve, an outdoor heat exchanger, a second electronic expansion valve, a second Chiller, a gas-liquid separator and an electric compressor;
the second cooling liquid circulation loop is communicated, and the pile cooling liquid flows through the second cooling liquid circulation loop;
the first cooling liquid circulation loop is communicated, and the electric pile cooling flows through the first cooling circulation loop.
The beneficial effects of the invention are as follows:
the whole fuel cell vehicle heat management system designed by the invention combines a heat pump air conditioning system, and can realize energy cascade utilization of each system of fuel cell vehicle battery heat management, fuel cell heat management, motor heat management and passenger cabin heat management.
The fuel cell automobile provided by the invention has the advantages that larger power consumption can be generated when the fuel cell automobile is under a low-temperature cold start working condition and the passenger cabin heats, and the safety and the efficiency of the fuel cell automobile are increased by safely and effectively utilizing the waste heat when the thermal management requirements of all systems are met.
When the temperature requirement of the passenger cabin is considered, the proper working temperature intervals of the fuel cell, the power cell and the motor are considered, the working modes of the system are classified under different working conditions, and the energy utilization efficiency of the fuel cell automobile is improved on the basis of ensuring the performance of the fuel cell.
Drawings
Fig. 1 is a schematic structural diagram of a whole fuel cell vehicle thermal management system provided by the invention.
Fig. 2 is a schematic diagram of a working state of a passenger cabin refrigeration mode provided by the invention.
Fig. 3 is a schematic diagram of a passenger cabin refrigeration and pile cooling working state provided by the invention.
Fig. 4 is a schematic diagram of the passenger cabin refrigeration and battery cooling working states provided by the invention.
Fig. 5 is a schematic diagram of a working state of a passenger cabin heating mode provided by the invention.
Fig. 6 is a schematic diagram of a passenger cabin heating and waste heat recovery working state provided by the invention.
Fig. 7 is a schematic diagram of the working states of passenger cabin heating and battery heating provided by the invention.
Fig. 8 is a schematic diagram of a passenger cabin heating and pile heating working state provided by the invention.
Fig. 9 is a schematic diagram of a passenger cabin refrigeration and radiator fan-stack cooling operation state provided by the invention.
Fig. 10 is a schematic diagram of a passenger cabin refrigeration and radiator fan-battery cooling operation state provided by the invention.
Fig. 11 is a schematic diagram of a cooling operation state of a cooling fan and a battery according to the present invention.
Fig. 12 is a schematic diagram of a cooling operation state of a cooling fan-stack according to the present invention.
Fig. 13 is a schematic view showing a heating operation state of the PTC-battery according to the present invention.
Fig. 14 is a schematic diagram of a PTC-stack heating operation state provided by the present invention.
Fig. 15 is a schematic diagram of a passenger cabin heating and battery waste heat recovery working state provided by the invention.
Fig. 16 is a schematic diagram of a passenger cabin heating and pile waste heat recovery working state provided by the invention.
Detailed Description
The present invention is described in further detail below with reference to the drawings to enable those skilled in the art to practice the invention by referring to the description.
As shown in fig. 1-16, the present invention provides a fuel cell vehicle thermal management system comprising: the water-cooled condenser 1, the first electronic expansion valve 21, the second electronic expansion valve 22, the third electronic expansion valve 23, the first three-way valve 31, the second three-way valve 32, the third three-way valve 33, the outdoor heat exchanger 41, the first radiator 42, the second radiator 43, the third radiator 44, the first radiator fan 51, the second radiator fan 52, the third radiator fan 53, the first two-way valve 61, the second two-way valve 62, the first expansion tank 71, the warm air tank 72, the second expansion tank 73, the first beller 81, the second beller 82, the DC-DC9, the air compressor 10, the first electronic water pump 111, the second electronic water pump 112, the third electronic water pump 113, the fourth electronic water pump 114, the electric compressor 12, the water heating PTC13, the gas-liquid separator 14, the evaporator 15, the liquid cooling plate 16, the electric pile 17, the first five-way valve 181, and the second five-way valve 182.
As shown in fig. 1, the whole fuel cell automobile thermal management system includes: the system comprises a fuel cell thermal management system, a power cell thermal management system, a motor thermal management system and a passenger cabin thermal management system.
The battery thermal management system includes: the electric pile 17, the fourth electronic water pump 114, the second expansion tank 73, the second radiator 43, the second radiator fan 52, the first five-way valve 181, the second beller 82, and the second five-way valve 182;
wherein, the stack 17, the fourth electronic water pump 114, the second expansion tank 74, the second cooling fan 43, the first five-way valve 181 and the second five-way valve 182 which are sequentially communicated form a first cooling liquid circulation loop;
and a second cooling liquid circulation loop formed by the pile 17, the fourth electronic water pump 114, the second expansion water tank 74, the first five-way valve 181, the second Chiller82 and the second five-way valve 182 which are communicated in sequence.
The power battery management system includes: the liquid cooling plate 16, the third electronic water pump 113, the first expansion tank 71, the third radiator 44, the third radiator fan 53, the first five-way valve 181, the second bellle 82, the second five-way valve 182;
wherein, the liquid cooling plate 16, the third electronic water pump 113, the first expansion tank 73, the third radiator 44, the third cooling fan 53, the first five-way valve 181 and the second five-way valve 182 which are sequentially communicated form a third cooling liquid circulation loop;
the liquid cooling plate 16, the third electronic water pump 113, the first expansion water tank 73, the first five-way valve 181, the second Chiller82 and the second five-way valve 182 which are sequentially communicated form a fourth cooling liquid circulation loop;
a passenger compartment thermal management system comprising: the electric compressor 12, the water-cooled condenser 1, the first electronic expansion valve 21, the first three-way valve 31, the outdoor heat exchanger 41, the first radiator fan 51, the second two-way valve 62, the second electronic expansion valve 22, the evaporator 15, the gas-liquid separator 14, the water heating PTC1, the second electronic water pump 112, the warm air water tank 72 and the third three-way valve 33 are sequentially communicated;
wherein the electric compressor 12, the water-cooled condenser 1, the first electronic expansion valve 21, the first three-way valve 31, the outdoor heat exchanger 41, the first heat radiation fan 51, the second two-way valve 62, the second electronic expansion valve 21, the evaporator 15 and the gas-liquid separator 14 which are sequentially communicated form a refrigerant circulation loop;
the water heating PTC13, the second electronic water pump 112, the warm air water tank 72 and the third three-way valve 33 which are communicated in sequence form a fifth cooling liquid circulation loop;
the motor thermal management system includes: the first electronic water pump 111, the air compressor 10, the DC-DC9, the second three-way valve 32, the first radiator 42 and the first Chiller81;
the first electronic water pump 111, the air compressor 10, the DC-DC9, the second three-way valve 32, the third radiator 42, and the first beller 81, which are sequentially connected, form a sixth coolant circulation loop.
According to the working states and the temperature requirements of the four subsystems, the working modes are divided into:
passenger cabin heating, passenger cabin heating+battery heating, passenger cabin heating+electric pile heating, passenger cabin refrigerating, passenger cabin refrigerating+battery cooling, passenger cabin refrigerating+electric pile cooling, passenger cabin heating+waste heat recovery, passenger cabin refrigerating+radiator fan-battery cooling, passenger cabin refrigerating+radiator fan-electric pile cooling, radiator fan-battery cooling, radiator fan-electric pile cooling, PTC-battery heating and PTC-electric pile heating, and the specific working modes are as follows:
passenger cabin cooling mode:
refrigerant flow: flows through the electric compressor 12, the water-cooled condenser 1 (not in operation), the first electronic expansion valve 21, the first three-way valve 31, the outdoor heat exchanger 41, the second electronic expansion valve 22, the evaporator 15, the gas-liquid separator 14, and the electric compressor in this order.
As shown in fig. 2, the refrigerant is compressed by the electric compressor 12, is changed from low-temperature low-pressure superheated steam to high-temperature high-pressure superheated steam, then flows through the water-cooled condenser 1 (not in operation), the first electronic expansion valve 21 and the first three-way valve 31, is discharged from the outdoor heat exchanger 41 to change from high-temperature high-pressure superheated steam to medium-temperature high-pressure supercooled liquid, is changed from low-temperature low-pressure saturated steam to low-temperature low-pressure superheated steam in the evaporator through the second electronic expansion valve 22, and then returns to the electric compressor through the gas-liquid separator, thereby realizing the refrigeration cycle.
Passenger cabin cooling+stack cooling mode:
refrigerant flow 1: the refrigerant flows through the electric compressor 12, the water-cooled condenser 1 (not in operation), the first electronic expansion valve 21, the first three-way valve 31, the outdoor heat exchanger 41, the second electronic expansion valve 22, the evaporator 15, and the gas- liquid separators 14, 12 in this order.
Refrigerant flow 2: the refrigerant flows through the electric compressor 12, the water-cooled condenser 1 (not in operation), the first electronic expansion valve, the first three-way valve 31, the outdoor heat exchanger 41, the third electronic expansion valve 23, the second beller 82, the gas-liquid separator 14, and the electric compressor 12 in this order.
Pile cooling liquid flow: flows through the electronic water pump 114, the electric pile 17, the five-way valve 181, the Chiller82, the five-way valve 182, the expansion water tank 74 and the electronic water pump 114 in sequence.
As shown in fig. 3, in this mode, in addition to the passenger compartment refrigeration cycle, in the refrigerant flow 2, the intermediate-high-pressure supercooled liquid flows through the third electronic expansion valve 23 to become low-temperature low-pressure saturated vapor, and in the second belller 82, the low-temperature low-pressure refrigerant exchanges heat with the high Wen Diandui coolant to realize stack refrigeration.
Passenger cabin cooling+battery cooling mode:
refrigerant flow 1: flows through the electric compressor 12, the water-cooled condenser 1 (not in operation), the first electronic expansion valve 21, the first three-way valve 31, the outdoor heat exchanger 41, the second electronic expansion valve 22, the evaporator 15, the gas-liquid separator 14, and the electric compressor 12 in this order.
Refrigerant flow 2: the refrigerant flows through the electric compressor 12, the water-cooled condenser 1 (not in operation), the first electronic expansion valve 21, the first three-way valve 31, the outdoor heat exchanger 41, the third electronic expansion valve 23, the second beller 82, the gas-liquid separator 14, and the electric compressor 12 in this order.
Battery cooling liquid flow: flows through the third electronic water pump 113, the liquid cooling plate 16, the first five-way valve 181, the second Chiller82, the second five-way valve 182, the second expansion tank 73 and the third electronic water pump 113 in sequence.
As shown in fig. 4, in this mode, in addition to the realization of the passenger compartment refrigeration cycle, in the refrigerant flow 2, the intermediate-high-pressure supercooled liquid flows through the third electronic expansion valve 23 to become low-temperature low-pressure saturated vapor, and in the second beller 82, the low-temperature low-pressure refrigerant and the high-temperature battery coolant exchange heat, realizing the battery refrigeration.
Passenger cabin heating mode:
refrigerant flow: the refrigerant flows through the electric compressor 12, the water-cooled condenser 1 (operation), the first electronic expansion valves 21, the first three-way valve 31, the outdoor heat exchanger 41, the first two-way valve 61, the first belller 81, the gas-liquid separator 14, and the electric compressor 12 in this order.
And (3) a warm air cooling liquid flow: flows through the water-cooled condenser 1, the water heating PTC13 (not in operation), the third three-way valve 33, the warm air water tank 72, the second electronic water pump 112, and the water-cooled condenser 1 in this order.
As shown in fig. 5, the refrigerant is compressed by the electric compressor 12, is changed from low-temperature low-pressure superheated steam into high-temperature high-pressure superheated steam, then flows through the water-cooled condenser 1 (work), the first electronic expansion valve 21 and the first three-way valve 31, is discharged in the outdoor heat exchanger 41 to be changed from high-temperature high-pressure superheated steam into medium-temperature high-pressure supercooled liquid, is changed from low-temperature low-pressure saturated steam into low-temperature low-pressure superheated steam by the first two-way valve 61 in the first belller 81, then returns to the electric compressor by the gas-liquid separator, and is subjected to heat exchange by the high-temperature high-pressure superheated steam and the warm air cooling liquid in the water-cooled condenser 1, so as to heat the cooling liquid, and the heated warm air cooling liquid is heated by the warm air water tank so as to heat the passenger cabin, thereby realizing the passenger cabin.
Passenger cabin heating and waste heat recovery:
refrigerant flow: flows through the electric compressor 12, the water-cooled condenser 1 (operation), the first electronic expansion valve 21, the first three-way valve 31, the outdoor heat exchanger 41, the first two-way valve 61, the first belller 81, the gas-liquid separator 14, and the electric compressor 12 in this order.
And (3) a warm air cooling liquid flow: flows through the water-cooled condenser 1, the water heating PTC13 (not in operation), the third three-way valve 33, the warm air water tank 72, the second electronic water pump 112, and the water-cooled condenser 1 in this order.
Motor coolant flow 1: flows through the first electronic water pump 111, the air compressor 10, the inverter 9, the second three-way valve 32, the first beller 81, and the first electronic water pump 111 in this order.
Motor coolant flow 2: flows through the first electronic water pump 111, the air compressor 10, the inverter 9, the second three-way valve 32, the first low-temperature radiator 42, the first beller 81, and the first electronic water pump 111 in this order.
As shown in fig. 6, in this mode, in addition to the passenger cabin heating mode, waste heat recovery of the air compressor 10 and the DC-DC module 9 is also realized, the DC-DC module 9 and the air compressor 10 generate heat during operation of the fuel cell vehicle, and the heat generated by the air compressors of the DC- DC module 9 and 10 needs to be dissipated through a cooling system, in this embodiment, the heat generated by the air compressors of the DC- DC module 9 and 10 is dissipated through the first radiator 42 and the first Chiller81, and the high-temperature coolant and the refrigerant exchange heat in the first Chiller81, so that waste heat utilization of the heat generated by the DC-DC module 9 and the air compressor 10 is realized.
Passenger cabin heating+battery heating:
refrigerant flow: flows through the electric compressor 12, the water-cooled condenser 1 (operation), the first electronic expansion valve 21, the first three-way valve 31, the outdoor heat exchanger 41, the second two-way valve 62, the gas-liquid separator 14, and the electric compressor 12 in this order.
Warm air cooling liquid flow 1: flows through the water-cooled condenser 1, the water heating PTC13, the third three-way valve 33, the warm air water tank 72, the second electronic water pump 112, and the water-cooled condenser 1 in this order.
Warm air cooling liquid flow 2: flows through the water-cooled condenser 1, the water heating PTC13, the second beller 82, the third three-way valve 33, the warm air water tank 72, the second electronic water pump 112, and the water-cooled condenser 1 in this order.
Battery cooling water flow: flows through the third electronic water pump 113, the liquid cooling plate 16, the first five-way valve 181, the second Chiller82, the second five-way valve 182, the second expansion tank 73 and the third electronic water pump 113 in sequence.
As shown in fig. 7, in this mode, in addition to the passenger compartment heating mode, when the fuel cell vehicle is cold started at a low temperature, the battery needs to be warmed up, and battery heating can be also achieved in this embodiment. When the ambient temperature is low, the water heating PTC13 starts to work to heat the warm air coolant, and in the second beller 82, the battery coolant and the warm air coolant exchange heat, and the heated warm air coolant heats the battery coolant, so that the battery is heated.
Passenger cabin heating+electric pile heating:
refrigerant flow: flows through the electric compressor 12, the water-cooled condenser 1 (operation), the first electronic expansion valve 21, the first three-way valve 31, the outdoor heat exchanger 41, the second two-way valve 62, the gas-liquid separator 14, and the electric compressor 12 in this order.
Warm air cooling liquid flow 1: flows through the water-cooled condenser 1, the water heating PTC13, the third three-way valve 33, the warm air water tank 72, the second electronic water pump 112, and the water-cooled condenser 1 in this order.
Warm air cooling liquid flow 2: the water-cooled condenser 1, the water heating PTC13, the second Chiller82, the third three-way valve 33, the warm air water tank 72, the second electronic water pump 112, and the water-cooled condenser 1.
Pile cooling water flow: flows through the fourth electric water pump 114, the electric pile 17, the first five-way valve 181, the second beller 82, the second five-way valve 182, the third expansion water tank 74 and the fourth electric water pump 114 in sequence.
As shown in fig. 8, in this mode, in addition to the passenger compartment heating mode, when the fuel cell vehicle is cold started at a low temperature, the stack needs to be warmed up, and stack warm-up can also be achieved in this embodiment. When the ambient temperature is lower, the water heating PTC13 starts to work to heat the warm air coolant, and in the second belller 82, the battery coolant and the warm air coolant exchange heat, and the heated warm air coolant heats the stack coolant, thereby realizing the stack heating.
Passenger cabin cooling+radiator fan-battery cooling mode:
refrigerant flow 1: flows through the electric compressor 12, the water-cooled condenser 1 (not in operation), the first electronic expansion valve 21, the first three-way valve 31, the outdoor heat exchanger 41, the second electronic expansion valve 22, the evaporator 15, the gas-liquid separator 14, and the electric compressor 12 in this order.
Refrigerant flow 2: the refrigerant flows through the electric compressor 12, the water-cooled condenser 1 (not in operation), the first electronic expansion valve 21, the first three-way valve 31, the outdoor heat exchanger 41, the third electronic expansion valve 23, the second beller 82, the gas-liquid separator 14, and the electric compressor 12 in this order.
Battery coolant flow 1: flows through the third electronic water pump 113, the liquid cooling plate 16, the first five-way valve 181, the second Chiller82, the second five-way valve 182, the second expansion tank 73 and the third electronic water pump 113 in sequence.
Battery coolant flow 2: flows through the third electronic water pump 113, the liquid cooling plate 16, the first five-way valve 181, the third radiator 44, the second five-way valve 182, the second expansion tank 73, and the fourth electronic water pump 114 in this order.
As shown in fig. 9, in this mode, in addition to the passenger cabin cooling mode, when the fuel cell is in operation, a large amount of heat is generated by the cell, so that the temperature of the cell increases, and in order to make the cell operate in a suitable temperature range, a cooling system is required to dissipate the heat in time, so that cooling of the cell can be achieved in this embodiment. The battery cooling liquid has two cooling loops, and in the battery cooling liquid flow 1, the high-temperature battery cooling liquid and the refrigerant exchange heat in the second Chiller82 to realize battery cooling, and in the battery cooling liquid flow 2, the high-temperature battery cooling liquid flows through the third radiator 44, and the heat is taken away by blowing the third radiator 44 by the third cooling fan 53.
Passenger cabin cooling+radiator fan-stack cooling mode:
refrigerant flow 1: the refrigerant flows through the electric compressor 12, the water-cooled condenser (non-operation) 1, the first electronic expansion valve 21, the first three-way valve 31, the outdoor heat exchanger 41, the second electronic expansion valve 22, the evaporator 15, the gas- liquid separator 14, 12 in this order.
Refrigerant flow 2: the refrigerant flows through the electric compressor 12, the water-cooled condenser 1 (not in operation), the first electronic expansion valve 21, the first three-way valve 31, the outdoor heat exchanger 41, the third electronic expansion valve 23, the second beller 82, the gas-liquid separator 14, and the electric compressor 12 in this order.
Pile coolant flow 1: flows through the fourth electronic water pump 114, the electric pile 17, the first five-way valve 181, the second Chiller82, the second five-way valve 182, the third expansion water tank 74 and the fourth electronic water pump 114 in sequence
Pile coolant flow 2: flows through the fourth electronic water pump 114, the electric pile 17, the first five-way valve 181, the radiator 43, the second five-way valve 182, the fourth expansion water tank 74 and the electronic water pump 114 in sequence
As shown in fig. 10, in this mode, in addition to the passenger cabin cooling mode, when the fuel cell is in operation, the electric pile generates a large amount of heat, so that the temperature of the electric pile is increased, and in order to make the electric pile work in a suitable temperature range, the cooling system is required to timely dissipate the heat, so that in this embodiment, cooling of the electric pile can be achieved. The stack cooling liquid has two cooling loops, and in the stack cooling liquid flow 1, the high Wen Diandui cooling liquid and the refrigerant exchange heat in the second Chiller82 to realize stack cooling, and in the stack cooling liquid flow 2, the high Wen Diandui cooling liquid flows through the second radiator 43 to take away heat in a mode of blowing the third radiator 43 by the second heat fan 52.
Radiator fan-battery cooling mode:
battery cooling liquid flow: flows through the third electronic water pump 113, the liquid cooling plate 16, the first five-way valve 181, the third radiator 44, the second five-way valve 182, the second expansion tank 73 and the third electronic water pump 113 in this order.
In this mode, as shown in fig. 11, only the battery is cooled, and the heat generated by the battery during operation of the fuel cell vehicle is dissipated by the above-described coolant flow, while flowing through the third radiator 44.
Cooling fan-stack cooling mode:
pile cooling liquid flow: flows through the fourth electronic water pump 114, the stack 17, the first five-way valve 181, the second radiator 43, the second five-way valve 182, the third expansion tank 74, and the fourth electronic water pump 114 in this order.
As shown in fig. 12, in this mode, only stack cooling is performed, and heat generated during operation of the fuel cell vehicle is dissipated by the coolant flow as described above while flowing through the second radiator 43.
PTC-battery heating mode:
battery cooling liquid flow: flows through the third electronic water pump 113, the liquid cooling plate 16, the first five-way valve 181, the third radiator 44, the second five-way valve 182, the second expansion tank 73, and the third electronic water pump 113 in this order.
And (3) a warm air cooling liquid flow: flows through the water-cooled condenser 1, the water heating PTC13, the second beller 82, the third three-way valve 33, the warm air water tank 72, the second electronic water pump 112, and the water-cooled condenser 1 in this order.
As shown in fig. 13, in this mode, only the battery is heated, the fuel cell vehicle needs to perform a warm air-cooling liquid heating operation by preheating the battery and performing a water-heating PTC operation at the time of cold start, and the heated warm air-cooling liquid and the low-temperature battery cooling liquid exchange heat in the second beller 82, so that the battery cooling liquid temperature increases, and when the battery cooling liquid flows through the liquid cooling plate 16, the battery is heated by the liquid cooling plate 16.
PTC-stack heating:
pile cooling liquid flow: flows through the 114 electronic water pump, the 17 galvanic pile, the 181 five-way valve, the 43 radiator, the 182 five-way valve, the 74 expansion water tank and the 114 electronic water pump in sequence
And (3) a warm air cooling liquid flow: sequentially flows through a 1 water-cooled condenser, a 13 water heating PTC, an 82Chiller, a 33 three-way valve, a 72 warm air water tank, a 112 electronic water pump and the 1 water-cooled condenser
As shown in fig. 14, in this mode, only the stack heating is performed, the fuel cell vehicle needs to perform the preheating of the stack at the time of cold start, the water heating PTC operation is performed, the warm air cooling liquid is heated, and in the second beller 82, the heated warm air cooling liquid and the low temperature stack cooling liquid perform the heat exchange stack cooling liquid temperature increase, and the stack heating is performed when the stack cooling liquid flows through the stack 17.
Passenger cabin heating+battery waste heat recovery mode:
warm air cooling liquid flow 1: flows through the water-cooled condenser 1, the water heating PTC13, the third three-way valve 33, the warm air water tank 72, the second electronic water pump 112, and the water-cooled condenser 1 in this order.
Warm air cooling liquid flow 2: the water-cooled condenser 1, the water heating PTC13, the second Chiller82, the third three-way valve 33, the warm air water tank 72, the second electronic water pump 112, and the water-cooled condenser 1.
Battery cooling water flow: flows through the third electronic water pump 113, the liquid cooling plate 16, the first five-way valve 181, the second Chiller82, the second five-way valve 182, the second expansion tank 73 and the third electronic water pump 113 in sequence.
As shown in fig. 15, in this mode, the fuel cell vehicle generates heat during running of the vehicle, and the passenger compartment can be heated by using this heat, and the high-temperature battery coolant and the warm air coolant exchange heat in the beller 82, and the warm air coolant is heated and the passenger compartment is heated by the warm air water tank 72.
Passenger cabin heating and pile waste heat recovery:
warm air cooling liquid flow 1: flows through the water-cooled condenser 1, the water heating PTC13, the third three-way valve 33, the warm air water tank 72, the second electronic water pump 112, and the water-cooled condenser 1 in this order.
Warm air cooling liquid flow 2: the water-cooled condenser 1, the water heating PTC13, the second Chiller82, the third three-way valve 33, the warm air water tank 72, the second electronic water pump 112, and the water-cooled condenser 1.
Pile cooling water flow: flows through the fourth electronic water pump 114, the stack 17, the first five-way valve 181, the second Chiller82, the second five-way valve 182, the third expansion tank 74, and the fourth electronic water pump 114 in this order.
As shown in fig. 16, in this mode, the fuel cell vehicle generates a large amount of heat in the electric pile during traveling, and the passenger compartment can be heated by using this heat, and in the second belller 82, the high Wen Diandui coolant and the warm air coolant exchange heat, and the warm air coolant is heated, and the passenger compartment is heated by the warm air water tank 72.
The invention relates to a whole vehicle thermal management system of a fuel cell vehicle, which combines a heat pump air conditioning system, and can realize energy cascade utilization of each system of the thermal management of the fuel cell vehicle, the thermal management of the fuel cell, the thermal management of a motor and the thermal management of a passenger cabin; when the temperature requirements of the passenger cabin are considered, the working modes of the system are classified under different working conditions in a proper working temperature range of the fuel cell, the power cell and the motor, and when the thermal management requirements of each system are met, the invention can realize safe and effective utilization of waste heat, thereby increasing the efficiency of the fuel cell automobile.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims (10)

1. A fuel cell vehicle thermal management system, comprising:
the electric pile, the fourth electronic water pump, the second expansion water tank, the second cooling fan, the first five-way valve and the second five-way valve which are sequentially communicated form a first cooling liquid circulation loop;
the second cooling liquid circulation loop is formed by a pile, a fourth electronic water pump, a second expansion water tank, a first five-way valve, a second plate evaporator and a second five-way valve which are sequentially communicated;
the liquid cooling plate, the third electronic water pump, the first expansion water tank, the third radiator, the third cooling fan, the first five-way valve and the second five-way valve are sequentially communicated to form a third cooling liquid circulation loop;
the liquid cooling plate, the third electronic water pump, the first expansion water tank, the first five-way valve, the second plate type evaporator and the second five-way valve which are sequentially communicated form a fourth cooling liquid circulation loop;
the electric compressor, the water-cooled condenser, the first electronic expansion valve, the first three-way valve, the outdoor heat exchanger, the first cooling fan, the second two-way valve, the second electronic expansion valve, the evaporator and the gas-liquid separator which are sequentially communicated form a refrigerant circulation loop;
the positive temperature coefficient water heater, the second electronic water pump, the warm air water tank and the third three-way valve are sequentially communicated to form a fifth cooling liquid circulation loop;
the first electronic water pump, the air compressor, the DC-DC, the second three-way valve, the first radiator and the first plate evaporator are sequentially communicated to form a sixth cooling liquid circulation loop;
when the passenger cabin heating and waste heat recovery mode is in, the sixth cooling liquid circulation loop is in a communication state;
when the water heater is in the passenger cabin heating and battery heating mode or in the passenger cabin heating and electric pile heating mode, the positive temperature coefficient water heater starts to work and is communicated with the third three-way valve, the second plate type evaporator, the warm air water tank, the second electronic water pump and the water-cooled condenser;
when the passenger cabin heating and battery waste heat recovery mode is adopted, the second plate type evaporator is opened, and the third cooling liquid circulation loop is communicated with the fifth cooling liquid circulation loop;
when the passenger cabin heating and pile waste heat recovery mode is adopted, the second plate type evaporator is opened, and the second cooling liquid circulation loop is communicated with the fifth cooling circulation loop.
2. The fuel cell whole car thermal management system according to claim 1, further comprising: a passenger compartment cooling mode, comprising:
the refrigerant flows through: the device comprises an electric compressor, a water-cooled condenser, a first electronic expansion valve, a first three-way valve, an outdoor heat exchanger, a first electronic expansion valve, an evaporator, a gas-liquid separator and an electric compressor;
wherein the first electronic water pump does not work;
passenger cabin cooling+stack cooling mode, comprising:
refrigerant flows through the passenger compartment cooling mode, the second coolant circulation loop:
the stack cooling liquid flows through: the device comprises an electric compressor, a water-cooled condenser, a first electronic expansion valve, a first three-way valve, an outdoor heat exchanger, a second electronic expansion valve, a second plate-type evaporator, a gas-liquid separator and an electric compressor.
3. The fuel cell whole car thermal management system according to claim 2, further comprising:
passenger compartment cooling+battery cooling mode, comprising:
refrigerant flows through the passenger compartment cooling mode, the second coolant circulation loop:
the fourth coolant circulation loop is communicated through which the battery coolant flows.
4. The fuel cell whole car thermal management system according to claim 1, further comprising:
a passenger compartment heating mode, comprising:
the refrigerant flows through: electric compressor, water-cooled condenser, first electronic expansion valve, first three-way valve, outdoor heat exchanger, first two-way valve, first plate-type evaporator, gas-liquid separator and electric compressor
Wherein the water-cooled condenser works;
the fifth cooling liquid circulation loop is communicated, and warm air cooling liquid flows through the fifth cooling liquid circulation loop.
5. The fuel cell whole car thermal management system according to claim 1, further comprising:
a radiator fan-battery cooling mode, comprising:
the third coolant circulation loop is communicated, and the battery coolant flows through the third coolant circulation loop.
6. The fuel cell whole car thermal management system according to claim 1, further comprising:
a radiator fan-stack cooling mode, comprising:
the first cooling liquid circulation loop is communicated, and the pile cooling liquid flows through the first cooling liquid circulation loop.
7. The fuel cell whole car thermal management system according to claim 1, further comprising:
a PTC-battery heating mode, comprising:
the third cooling liquid circulation loop is communicated, and battery cooling liquid flows through the third cooling liquid circulation loop;
the second plate type evaporator is opened, the fifth cooling liquid circulation loop is communicated, the second plate type evaporator is communicated with the fifth cooling liquid circulation loop, and the warm air cooling liquid flows through the fifth cooling liquid circulation loop and the second plate type evaporator.
8. The fuel cell whole car thermal management system according to claim 1, further comprising:
a PTC-stack heating mode, comprising:
the first cooling liquid circulation loop is communicated, and the pile cooling liquid flows through the first cooling liquid circulation loop;
the second plate type evaporator is opened, the fifth cooling liquid circulation loop is communicated, the second plate type evaporator is communicated with the fifth cooling liquid circulation loop, and the warm air cooling liquid flows through the fifth cooling liquid circulation loop and the second plate type evaporator.
9. The fuel cell vehicle thermal management system of claim 5, further comprising:
a passenger compartment cooling + radiator fan-battery cooling mode, comprising:
the refrigerant flows through: electric compressor, water-cooled condenser, first electronic expansion valve, first three-way valve, outdoor heat exchanger, second electronic expansion valve, evaporator, gas-liquid separator and electric compressor
Wherein the water-cooled condenser does not work;
the refrigerant flows through: the device comprises an electric compressor, a water-cooled condenser, a first electronic expansion valve, a first three-way valve, an outdoor heat exchanger, a second electronic expansion valve, a second plate type evaporator, a gas-liquid separator and an electric compressor;
the fourth cooling liquid circulation loop is communicated, and the battery cooling liquid flows through the fourth cooling liquid circulation loop;
the third coolant circulation loop is communicated, and the battery coolant flows through the third coolant circulation loop.
10. The fuel cell whole car thermal management system according to claim 6, further comprising:
a passenger compartment cooling + radiator fan-stack cooling mode comprising:
the refrigerant flows through: electric compressor, water-cooled condenser, first electronic expansion valve, first three-way valve, outdoor heat exchanger, second electronic expansion valve, evaporator, gas-liquid separator and electric compressor
Wherein the water-cooled condenser does not work;
the refrigerant flows through: the device comprises an electric compressor, a water-cooled condenser, a first electronic expansion valve, a first three-way valve, an outdoor heat exchanger, a second electronic expansion valve, a second plate type evaporator, a gas-liquid separator and an electric compressor;
the second cooling liquid circulation loop is communicated, and the pile cooling liquid flows through the second cooling liquid circulation loop;
the first cooling liquid circulation loop is communicated, and the electric pile cooling flows through the first cooling circulation loop.
CN202210242315.1A 2022-03-11 2022-03-11 Fuel cell automobile whole automobile thermal management system Active CN114604056B (en)

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EP4292851A1 (en) * 2022-06-15 2023-12-20 AVL Powertrain UK Ltd Fuel cell vehicle thermal system and method for thermal management
CN117360174B (en) * 2023-12-08 2024-03-01 山东科技大学 Fuel cell automobile coupling thermal management system

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