CN113352860A - Hydrogen fuel cell automobile thermal management system and control method - Google Patents

Hydrogen fuel cell automobile thermal management system and control method Download PDF

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Publication number
CN113352860A
CN113352860A CN202110632957.8A CN202110632957A CN113352860A CN 113352860 A CN113352860 A CN 113352860A CN 202110632957 A CN202110632957 A CN 202110632957A CN 113352860 A CN113352860 A CN 113352860A
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China
Prior art keywords
loop
battery
valve
water pump
input end
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CN202110632957.8A
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Chinese (zh)
Inventor
马帅
郝义国
饶博
汪江
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Huanggang Grove Hydrogen Automobile Co Ltd
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Huanggang Grove Hydrogen Automobile Co Ltd
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Priority to CN202110632957.8A priority Critical patent/CN113352860A/en
Publication of CN113352860A publication Critical patent/CN113352860A/en
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    • 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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • 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
    • B60H1/00321—Heat exchangers for air-conditioning devices
    • B60H1/00342—Heat exchangers for air-conditioning devices of the liquid-liquid type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
    • B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
    • 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
    • B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H01M8/04029—Heat exchange using liquids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H01M8/04037—Electrical heating
    • 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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B60K2001/005—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric storage means
    • 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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/008—Arrangement or mounting of electrical propulsion units with means for heating the electrical propulsion units
    • 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
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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

Abstract

The invention provides a thermal management system and a control method for a hydrogen fuel cell automobile, which comprises the following steps: 5 loops, which are respectively a pile heat dissipation loop, a battery loop, an auxiliary heat dissipation loop, a refrigerating solution loop and a refrigerant loop: different devices are shared among all the loops; the pile heat dissipation loop and the battery loop share the battery loop heating plate; the battery loop and the refrigerant loop share the battery loop cooling board for replacement; the coolant loop and the pile heat dissipation loop share a generator; the refrigerant loop and the refrigerating solution loop share a generator and an absorber; the auxiliary heat dissipation loop is an independent loop and does not share equipment with other loops. The invention fully utilizes the characteristics of the hydrogen fuel cell automobile heat management system, utilizes waste heat generated by the fuel cell engine according to the requirements of the automobile scene, meets the requirements of heating or cooling of the passenger compartment and the battery, reduces the energy consumption of the whole automobile, and achieves the purposes of saving energy and increasing endurance.

Description

Hydrogen fuel cell automobile thermal management system and control method
Technical Field
The invention relates to the field of fuel cell automobile thermal management systems, in particular to a hydrogen fuel cell automobile thermal management system and a control method.
Background
When the hydrogen fuel cell automobile runs, the temperature of the electric pile needs to be maintained at 70-80 ℃, a large amount of waste heat is generated, and the heat dissipation pressure is high in summer due to the low heat dissipation temperature. Auxiliary parts for maintaining the normal operation of the electric pile also need proper temperature control, and the battery pack and the passenger compartment need to be heated or cooled according to requirements. The heat management system of the hydrogen fuel cell automobile has the characteristics of multiple control components, high control precision requirement, wide external environment temperature range and large heat dissipation capacity.
Disclosure of Invention
In order to solve the problems, the invention utilizes the characteristics of a hydrogen fuel cell automobile heat management system, utilizes waste heat generated by a fuel cell engine according to the requirements of a vehicle scene, meets the requirements of heating or cooling of a passenger compartment and a battery, reduces the energy consumption of the whole automobile, achieves the aims of saving energy and increasing endurance, reduces components such as an air conditioner compressor and the like, and can reduce the cost of the whole automobile.
The invention provides a thermal management system and a control method for a hydrogen fuel cell automobile, wherein the system comprises the following steps: the system comprises a deionizer, a main loop expansion water tank, a particle filter, a first electronic three-way proportional valve, a main loop high-pressure water pump, a battery loop heating plate exchanger, a battery loop water pump, a battery loop cooling plate exchanger, a passenger cabin evaporator, a passenger cabin warm air core body, an electronic three-way proportional valve, a generator, a solution pump, an absorber, a liquid storage tank, a condenser, a main loop radiator, an auxiliary loop expansion water tank, an auxiliary loop water pump and an auxiliary loop radiator;
the above devices form 5 loops, which are a pile heat dissipation loop, a battery loop, an auxiliary heat dissipation loop, a refrigerating solution loop and a refrigerant loop: different devices are shared among all loops, and the method specifically comprises the following steps:
the pile heat dissipation loop and the battery loop share a battery loop heating plate;
the battery loop and the refrigerant loop share a battery loop cooling board for replacement;
the coolant loop and the pile heat dissipation loop share a generator;
the refrigerant loop and the refrigerating solution loop share a generator and an absorber;
the auxiliary heat dissipation loop is an independent loop and does not share equipment with other loops.
Further, the pile heat dissipation loop adopts a special antifreeze for fuel cells, which specifically comprises: the system comprises a deionizer, a main loop expansion water tank, a particle filter, a first electronic three-way proportional valve, a main loop high-pressure water pump, a battery loop heating plate exchanger, a crew cabin warm air core body, a second electronic three-way proportional valve, a main loop radiator and a generator;
the output end of the main loop radiator is connected with the input ends of the deionizer and the particle filter; the output end of the deionizer is connected with the input end of the main loop expansion water tank; the output end of the main loop expansion water tank is connected with the input end of the main loop high-pressure water pump and the input end of the battery loop heating plate; the output end of the main loop high-pressure water pump is connected with the input end of the galvanic pile; the output end of the galvanic pile is connected with the input end of the electronic three-way proportional valve; the output end of the electronic three-way proportional valve is connected with one end of the fifth valve, one end of the sixth valve, the input end of the main loop radiator and the input end of the PTC heater; the output end of the PTC heater is connected with the input end of the first electronic three-way proportional valve; the other end of the fifth valve is connected with the input end of the warm air core body of the passenger cabin; the output end of the passenger cabin warm air core body is connected with one end of the second valve and one end of the first valve; the other end of the second valve is connected with the input end of the battery loop heating plate; the other end of the first valve is connected with the input end of the battery loop heating plate; the output end of the particle filter is connected with the input end of the first electronic three-way proportional valve; the output end of the first electronic three-way proportional valve is connected with the input end of the main loop high-pressure water pump; the other end of the sixth valve is connected with the input end of the generator; the output end of the generator is connected with the input end of the main loop high-pressure water pump.
Further, the battery circuit adopts a common antifreeze, and specifically includes: exchanging a heating plate of a battery loop, exchanging a water pump of the battery loop, and exchanging a cooling plate of the battery and the battery loop;
the output end of the battery loop heating plate is connected with the input end of the battery loop water pump; the output end of the battery loop water pump is connected with the input end of the battery; the output end of the battery is connected with the input end of the battery loop cooling plate; the output end of the battery loop cooling plate is connected with the input end of the battery loop heating plate.
Further, the auxiliary heat dissipation loop adopts a common antifreeze solution, which specifically includes: the system comprises an auxiliary loop expansion water tank, an auxiliary loop water pump, an auxiliary loop radiator, a motor, a bidirectional DC-DC, an intercooler, an air compressor and a controller;
the output end of the auxiliary loop radiator is connected with the input end of the auxiliary loop expansion water tank and the input end of the auxiliary loop water pump; the output end of the auxiliary loop expansion water tank is connected with the input end of an auxiliary loop water pump; the output end of the auxiliary loop water pump is connected with one end of the motor, one end of the bidirectional DC-DC, one end of the air compressor and one end of the controller; the other end of the motor, the other end of the bidirectional DC-DC, and the other ends of the air compressor and the controller are connected with the input end of the auxiliary loop radiator.
Further, the refrigeration solution loop adopts a lithium bromide solution, and specifically comprises: a generator, a solution pump and an absorber; the absorber is connected with the generator through a solution pump; the generator is connected with the absorber through a first throttle valve.
Further, the refrigerant circuit includes: the generator, the absorber, the liquid storage tank, the condenser, the crew evaporator and the battery loop cooling plate are replaced;
the output end of the generator is connected with the input end of the condenser; the output end of the condenser is connected with the input end of the liquid storage tank; the output end of the liquid storage tank is connected with one end of the second throttle valve; the other end of the second throttle valve is connected with the input end of the passenger cabin evaporator; the output end of the passenger cabin evaporator is connected with one end of a fourth valve and the input end of the battery loop cooling plate; the output end of the battery loop cooling plate is connected with one end of a third valve; the other end of the fourth valve is connected with the other end of the third valve and is commonly connected to one end of the absorber.
A thermal management control method for a hydrogen fuel cell vehicle is applied to a thermal management system for the hydrogen fuel cell vehicle, and comprises the following functions: the method comprises the following steps of heating a galvanic pile, cooling the galvanic pile, maintaining the temperature of the galvanic pile, cooling an auxiliary component, heating a battery, heating a passenger compartment, operating a refrigeration loop, cooling the battery and cooling the passenger compartment.
Further, the galvanic pile heating, the galvanic pile cooling and the galvanic pile temperature maintaining are carried out through a galvanic pile heat dissipation loop, and specifically are as follows:
heating the galvanic pile: controlling the main loop high-pressure water pump to operate, switching the pile heat dissipation loop into a PTC heater working loop by using a first electronic three-way proportional valve and an electronic three-way proportional valve, and heating the pile by circulating an antifreeze solution special for a fuel cell in the loop;
cooling the galvanic pile: controlling the main loop high-pressure water pump to operate, switching the pile heat dissipation loop into a main loop radiator action loop by using a first electronic three-way proportional valve and an electronic three-way proportional valve, cooling the special antifreeze for the fuel cell in the loop, and further cooling the pile;
maintaining the temperature of the electric pile: and controlling the main loop high-pressure water pump to operate, and controlling the air volume of the main loop radiator, the opening degree of the first electronic three-way proportional valve and the rotating speed of the main loop high-pressure water pump to enable the temperature of the anti-freezing solution special for the fuel cell to be in a preset range so as to maintain the temperature of the galvanic pile.
Further, the auxiliary component cooling is carried out through the auxiliary heat dissipation loop, and specifically is: controlling an auxiliary loop water pump to operate and an auxiliary loop radiator to operate, cooling the common antifreeze in the auxiliary radiating loop, and further cooling the auxiliary component;
the operation of the refrigerating circuit is carried out through a refrigerating solution circuit and a galvanic pile heat dissipation circuit, and the method specifically comprises the following steps: controlling the high-pressure water pump of the main loop to operate, switching to the right loop by using the electronic three-way proportional valve, and controlling the sixth valve to open; controlling the solution pump to operate; high-temperature water discharged from the galvanic pile passes through the generator, so that water in the lithium bromide solution absorbs heat and evaporates, and water vapor enters the condenser to release heat and condense to form liquid water; liquid water is subjected to pressure reduction and throttling through a second throttling valve, enters a passenger cabin evaporator or a battery loop cooling plate for heat absorption and evaporation, and water vapor is absorbed by a lithium bromide solution in the 14; the solution pump enables the lithium bromide solution in the absorber to enter the generator, and the evaporated lithium bromide solution flows out of the generator, enters the absorber through the first throttling valve and circulates back and forth.
The battery heating and cooling are carried out through a battery loop and a refrigeration loop, and specifically the method comprises the following steps:
heating the battery: controlling the main loop high-pressure water pump and the battery loop water pump to operate, switching to the right part of the battery loop by using an electronic three-way proportional valve, controlling the first valve and the fifth valve to be opened, controlling the second valve to be closed, and exchanging high-temperature water discharged from the galvanic pile through a battery loop heating plate to heat common antifreeze in the battery loop so as to heat the battery;
cooling the battery: controlling the refrigeration loop to operate, operating the battery loop water pump, opening the third valve and closing the fourth valve; the refrigerator evaporates and absorbs heat in the battery loop cooling plate to cool the common antifreeze solution, and further cools the battery;
the heating of the passenger cabin and the cooling of the passenger cabin are carried out through a refrigerant loop and a galvanic pile heat dissipation loop, and the method specifically comprises the following steps:
heating the passenger compartment: controlling the high-pressure water pump of the main loop to operate, switching to the right part of the loop by using an electronic three-way proportional valve, controlling the first valve to be closed, and controlling the second valve and the fifth valve to be opened, wherein the high-temperature water discharged from the galvanic pile heats the air flowing into the passenger compartment through the hot air core body of the passenger compartment;
cooling the passenger compartment: controlling the refrigeration loop to operate, operating the passenger cabin evaporator, opening the fourth valve and closing the third valve; the evaporator of the passenger compartment evaporates and absorbs heat, so that the air entering the passenger compartment is cooled.
The beneficial effects provided by the invention are as follows: the characteristics of the thermal management system of the hydrogen fuel cell automobile are fully utilized, waste heat generated by a fuel cell engine is utilized according to the requirements of an automobile scene, the heating or cooling requirements of a passenger compartment and a battery are met, the energy consumption of the whole automobile is reduced, the purposes of saving energy and increasing endurance are achieved, meanwhile, components such as an air conditioner compressor and the like are reduced, and the cost of the whole automobile can be reduced.
Drawings
FIG. 1 is a block diagram of a hydrogen fuel cell vehicle thermal management system in accordance with the present invention; wherein, 1, deionizing device; 2. a main loop expansion tank; 3. a particulate filter; 4. a first electronic three-way proportional valve; 5. a main loop high pressure water pump; 6. replacing a heating plate of the battery loop; 7. a battery circuit water pump; 8. exchanging a battery loop cooling plate; 9. a passenger compartment evaporator; 10. a passenger compartment warm air core body; 11. a second electronic three-way proportional valve; 12. a generator; 13. a solution pump; 14. an absorber; 15. a liquid storage tank; 16. a condenser; 17. a primary loop radiator; 18. an auxiliary loop expansion tank; 19. an auxiliary loop water pump; 20. an auxiliary loop radiator.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, a thermal management system for a hydrogen fuel cell vehicle includes the following components: the system comprises a deionizer 1, a main loop expansion water tank 2, a particle filter 3, a first electronic three-way proportional valve 4, a main loop high-pressure water pump 5, a battery loop heating plate exchanger 6, a battery loop water pump 7, a battery loop cooling plate exchanger 8, a passenger cabin evaporator 9, a passenger cabin warm air core 10, an electronic three-way proportional valve 11, a generator 12, a solution pump 13, an absorber 14, a liquid storage tank 15, a condenser 16, a main loop radiator 17, an auxiliary loop expansion water tank 18, an auxiliary loop water pump 19 and an auxiliary loop radiator 20;
the above devices form 5 loops, which are a pile heat dissipation loop, a battery loop, an auxiliary heat dissipation loop, a refrigerating solution loop and a refrigerant loop: different devices are shared among all loops, and the method specifically comprises the following steps:
the electric pile heat dissipation loop and the battery loop share a battery loop heating plate exchange 6;
the battery loop and the refrigerant loop share a battery loop cooling plate exchanger 8;
the coolant loop and the pile heat dissipation loop share a generator 12;
the refrigerant circuit and the refrigerating solution circuit share a generator 12 and an absorber 14;
the auxiliary heat dissipation loop is an independent loop and does not share equipment with other loops.
The pile heat dissipation loop adopts a special antifreezing solution for a fuel cell, and specifically comprises the following steps: the system comprises a deionizer 1, a main loop expansion water tank 2, a particle filter 3, a first electronic three-way proportional valve 4, a main loop high-pressure water pump 5, a battery loop heating plate exchanger 6, a crew cabin warm air core body 10, a second electronic three-way proportional valve 11, a main loop radiator 17 and a generator 12;
in the invention, the special antifreezing solution for the fuel cell is an existing product, is not the core content of the invention, and can be selected according to the actual situation.
The output of the main circuit radiator 17 is connected to the input of the deionizer 1 and the particulate filter 3; the output end of the deionizer 1 is connected with the input end of the main loop expansion water tank 2; the output end of the main loop expansion water tank 2 is connected with the input end of a main loop high-pressure water pump 5 and the input end of a battery loop heating plate 6; the output end of the main loop high-pressure water pump 5 is connected with the input end of the electric pile; the output end of the galvanic pile is connected with the input end of the electronic three-way proportional valve 11; the output end of the electronic three-way proportional valve 11 is connected with one end of a fifth valve, one end of a sixth valve, the input end of a main loop radiator 17 and the input end of the PTC heater; the output end of the PTC heater is connected with the input end of the first electronic three-way proportional valve 4; the other end of the fifth valve is connected with the input end of the passenger cabin warm air core body 10; the output end of the passenger cabin warm air core body 10 is connected with one end of the second valve and one end of the first valve; the other end of the second valve is connected with the input end of the battery loop heating plate exchanger 6; the other end of the first valve is connected with the input end of the battery loop heating plate exchanger 6; the output end of the particle filter 3 is connected with the input end of a first electronic three-way proportional valve 4; the output end of the first electronic three-way proportional valve 4 is connected with the input end of a main loop high-pressure water pump 5; the other end of the sixth valve is connected with the input end of the generator 12; the output of the generator 12 is connected to the input of the main circuit high pressure water pump 5.
The battery loop adopts common antifreeze, and the method specifically comprises the following steps: a battery loop heating plate exchanger 6, a battery loop water pump 7 and a battery and battery loop cooling plate exchanger 8;
in the invention, the common antifreezing solution is a product in the prior art, is not the core content of the invention, and can be selected according to the actual situation.
The output end of the battery loop heating plate exchanger 6 is connected with the input end of a battery loop water pump 7; the output end of the battery loop water pump 7 is connected with the input end of the battery; the output end of the battery is connected with the input end of the battery loop cooling plate 8; the output end of the battery loop cooling plate exchanger 8 is connected with the input end of the battery loop heating plate exchanger 6.
The auxiliary heat dissipation loop adopts common antifreeze, and specifically comprises: an auxiliary loop expansion water tank 18, an auxiliary loop water pump 19, an auxiliary loop radiator 20, a motor, a bidirectional DC-DC, an intercooler, an air compressor and a controller;
the output end of the auxiliary loop radiator 20 is connected with the input end of the auxiliary loop expansion water tank 18 and the input end of the auxiliary loop water pump 19; the output end of the auxiliary loop expansion water tank 18 is connected with the input end of an auxiliary loop water pump 19; the output end of the auxiliary loop water pump 19 is connected with one end of the motor, one end of the bidirectional DC-DC, one end of the air compressor and one end of the controller; the other end of the motor, the other end of the bidirectional DC-DC, and the other end of the air compressor and the controller are connected with the input end of the auxiliary loop radiator 20.
The refrigerating solution loop adopts a lithium bromide solution, and specifically comprises: a generator 12, a solution pump 13 and an absorber 14; the absorber 14 is connected with the generator 12 through a solution pump 13; the generator 12 is connected to the absorber 14 via a first throttle valve.
The refrigerant circuit includes: a generator 12, an absorber 14, a reservoir 15, a condenser 16, a crew evaporator 9, and a battery circuit cooling panel 8;
the output end of the generator 12 is connected with the input end of the condenser 16; the output end of the condenser 16 is connected with the input end of the liquid storage tank 15; the output end of the liquid storage tank 15 is connected with one end of the second throttle valve; the other end of the second throttle valve is connected with the input end of the passenger cabin evaporator 9; the output end of the passenger cabin evaporator 9 is connected with one end of a fourth valve and the input end of the battery loop cooling plate exchanger 8; the output end of the battery loop cooling plate 8 is connected with one end of a third valve; the other end of the fourth valve is connected to the other end of the third valve and is commonly connected to one end of the absorber 14.
A thermal management control method for a hydrogen fuel cell vehicle is applied to a thermal management system for the hydrogen fuel cell vehicle, and comprises the following functions: the method comprises the following steps of heating a galvanic pile, cooling the galvanic pile, maintaining the temperature of the galvanic pile, cooling an auxiliary component, heating a battery, heating a passenger compartment, operating a refrigeration loop, cooling the battery and cooling the passenger compartment.
The galvanic pile heating, the galvanic pile cooling and the galvanic pile temperature maintaining are carried out through a galvanic pile heat dissipation loop, and the method specifically comprises the following steps:
heating the galvanic pile: controlling a main loop high-pressure water pump 5 to operate, switching a pile heat dissipation loop into a PTC heater working loop by using a first electronic three-way proportional valve 4 and an electronic three-way proportional valve 11, and heating a pile by circulating a special anti-freezing solution for a fuel cell in the loop;
cooling the galvanic pile: controlling a main loop high-pressure water pump 5 to operate, switching a pile heat dissipation loop into a main loop radiator 17 action loop (a loop formed by the main loop high-pressure water pump 5, the pile, a second electronic three-way proportional valve 11, a main loop radiator 17, a particle filter 3 and a first electronic three-way proportional valve) by utilizing a first electronic three-way proportional valve 4 and a second electronic three-way proportional valve 11, and cooling the special antifreeze for the fuel cell in the loop so as to cool the pile;
maintaining the temperature of the electric pile: and controlling the main loop high-pressure water pump 5 to operate, and controlling the air volume of the main loop radiator 17, the opening degree of the first electronic three-way proportional valve 4 and the rotating speed of the main loop high-pressure water pump 5 to enable the temperature of the anti-freezing solution special for the fuel cell to be in a preset range, so as to maintain the temperature of the galvanic pile.
The auxiliary component cooling is carried out through an auxiliary heat dissipation loop, and specifically comprises the following steps: controlling an auxiliary loop water pump 19 to operate and an auxiliary loop radiator 20 to operate, cooling the common antifreeze in the auxiliary radiating loop, and further cooling the auxiliary components;
the operation of the refrigerating circuit is carried out through a refrigerating solution circuit and a galvanic pile heat dissipation circuit, and the method specifically comprises the following steps: the operation of the main loop high-pressure water pump 5 is controlled, the second electronic three-way proportional valve 11 is switched to a right loop (a loop formed by the main loop high-pressure water pump, the galvanic pile, the second electronic three-way proportional valve 11, a sixth valve and the generator 12), and the sixth valve is controlled to be opened; controlling the solution pump 13 to operate; the high-temperature water discharged from the galvanic pile passes through the generator 12, so that the water in the lithium bromide solution absorbs heat and evaporates, and the water vapor enters the condenser 16 to release heat and condense to form liquid water; liquid water is throttled through the second throttle valve, enters the passenger cabin evaporator 9 or the battery loop cooling plate 8 to absorb heat and evaporate, and water vapor is absorbed by the lithium bromide solution in the battery loop 14; the solution pump 13 causes the lithium bromide solution in the absorber 14 to enter the generator 12 and the evaporated lithium bromide solution to flow out of the generator 12 and into the absorber 14 via the first throttle valve, cycling back and forth.
The battery heating and cooling are carried out through a battery loop and a refrigeration loop, and specifically the method comprises the following steps:
heating the battery: the operation of a main loop high-pressure water pump 5 and a battery loop water pump 7 is controlled, a second electronic three-way proportional valve 11 is switched to the right part of a battery loop (a loop formed by the main loop high-pressure water pump 5, a galvanic pile, a second electronic three-way proportional valve 11, a fifth valve, a passenger cabin warm air core body 10, the first valve and a battery loop heating plate 6 is controlled to be opened, the second valve is closed, high-temperature water discharged from the galvanic pile is exchanged by the battery loop heating plate 6 to heat common antifreeze in the battery loop, and further the temperature of the battery is raised;
cooling the battery: controlling the refrigeration loop to operate, operating the battery loop water pump 7, opening the third valve and closing the fourth valve; the refrigerator evaporates and absorbs heat in the battery loop cooling plate 8, so that the common antifreeze is cooled, and the battery is cooled;
the heating of the passenger cabin and the cooling of the passenger cabin are carried out through a refrigerant loop and a galvanic pile heat dissipation loop, and the method specifically comprises the following steps:
heating the passenger compartment: the operation of the main loop high-pressure water pump 5 is controlled, the second electronic three-way proportional valve 11 is switched to the right part of the loop (which is a loop formed by the main loop high-pressure water pump 5, the galvanic pile, the second electronic three-way proportional valve 11, the fifth valve, the passenger cabin warm air core 10 and the second valve), the first valve is controlled to be closed, the second valve and the fifth valve are controlled to be opened, and high-temperature water discharged from the galvanic pile heats air flowing into the passenger cabin through the passenger cabin warm air core 10;
cooling the passenger compartment: controlling the refrigeration loop to operate, operating the passenger cabin evaporator 9, opening the fourth valve and closing the third valve; the passenger compartment evaporator 9 evaporates to absorb heat, so that the air entering the passenger compartment is cooled.
The invention has the beneficial effects that: the characteristics of the thermal management system of the hydrogen fuel cell automobile are fully utilized, waste heat generated by a fuel cell engine is utilized according to the requirements of an automobile scene, the heating or cooling requirements of a passenger compartment and a battery are met, the energy consumption of the whole automobile is reduced, the purposes of saving energy and increasing endurance are achieved, meanwhile, components such as an air conditioner compressor and the like are reduced, and the cost of the whole automobile can be reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. The heat management system of the hydrogen fuel cell automobile is characterized in that: the method comprises the following steps: the system comprises a deionizer (1), a main loop expansion water tank (2), a particle filter (3), a first electronic three-way proportional valve (4), a main loop high-pressure water pump (5), a battery loop heating plate exchanger (6), a battery loop water pump (7), a battery loop cooling plate exchanger (8), a passenger compartment evaporator (9), a passenger compartment warm air core body (10), an electronic three-way proportional valve (11), a generator (12), a solution pump (13), an absorber (14), a liquid storage tank (15), a condenser (16), a main loop radiator (17), an auxiliary loop expansion water tank (18), an auxiliary loop water pump (19) and an auxiliary loop radiator (20);
the above devices form 5 loops, which are a pile heat dissipation loop, a battery loop, an auxiliary heat dissipation loop, a refrigerating solution loop and a refrigerant loop: different devices are shared among all loops, and the method specifically comprises the following steps:
the stack heat dissipation loop and the battery loop share a battery loop heating plate exchanger (6);
the battery loop and the refrigerant loop share a battery loop cooling plate exchanger (8);
the coolant loop and the pile heat dissipation loop share a generator (12);
the refrigerant circuit and the refrigerating solution circuit share a generator (12) and an absorber (14);
the auxiliary heat dissipation loop is an independent loop and does not share equipment with other loops.
2. The thermal management system of a hydrogen fuel cell vehicle as defined in claim 1, wherein:
the pile heat dissipation loop adopts a special antifreezing solution for a fuel cell, and specifically comprises the following steps: the device comprises a deionizer (1), a main loop expansion water tank (2), a particle filter (3), a first electronic three-way proportional valve (4), a main loop high-pressure water pump (5), a battery loop heating plate exchanger (6), a crew cabin warm air core body (10), a second electronic three-way proportional valve (11), a main loop radiator (17) and a generator (12);
the output end of the main loop radiator (17) is connected with the input ends of the deionizer (1) and the particle filter (3); the output end of the deionizer (1) is connected with the input end of the main loop expansion water tank (2); the output end of the main loop expansion water tank (2) is connected with the input end of a main loop high-pressure water pump (5) and the input end of a battery loop heating plate (6); the output end of the main loop high-pressure water pump (5) is connected with the input end of the galvanic pile; the output end of the galvanic pile is connected with the input end of an electronic three-way proportional valve (11); the output end of the electronic three-way proportional valve (11) is connected with one end of a fifth valve, one end of a sixth valve, the input end of a main loop radiator (17) and the input end of the PTC heater; the output end of the PTC heater is connected with the input end of a first electronic three-way proportional valve (4); the other end of the fifth valve is connected with the input end of the warm air core body (10) of the passenger cabin; the output end of the passenger cabin warm air core body (10) is connected with one end of the second valve and one end of the first valve; the other end of the second valve is connected with the input end of the battery loop heating plate exchanger (6); the other end of the first valve is connected with the input end of the battery loop heating plate exchanger (6); the output end of the particle filter (3) is connected with the input end of the first electronic three-way proportional valve (4); the output end of the first electronic three-way proportional valve (4) is connected with the input end of a main loop high-pressure water pump (5); the other end of the sixth valve is connected with the input end of the generator (12); the output end of the generator (12) is connected with the input end of the main loop high-pressure water pump (5).
3. The thermal management system of a hydrogen fuel cell vehicle as defined in claim 1, wherein:
the battery loop adopts common antifreeze, and the method specifically comprises the following steps: a battery loop heating plate exchanger (6), a battery loop water pump (7), and a battery and battery loop cooling plate exchanger (8);
the output end of the battery loop heating plate exchanger (6) is connected with the input end of a battery loop water pump (7); the output end of the battery loop water pump (7) is connected with the input end of the battery; the output end of the battery is connected with the input end of the battery loop cooling plate (8); the output end of the battery loop cooling plate exchanger (8) is connected with the input end of the battery loop heating plate exchanger (6).
4. The thermal management system of a hydrogen fuel cell vehicle as defined in claim 1, wherein:
the auxiliary heat dissipation loop adopts common antifreeze, and specifically comprises: the system comprises an auxiliary loop expansion water tank (18), an auxiliary loop water pump (19), an auxiliary loop radiator (20), a motor, a bidirectional DC-DC, an intercooler, an air compressor and a controller;
the output end of the auxiliary loop radiator (20) is connected with the input end of an auxiliary loop expansion water tank (18) and the input end of an auxiliary loop water pump (19); the output end of the auxiliary loop expansion water tank (18) is connected with the input end of an auxiliary loop water pump (19); the output end of the auxiliary loop water pump (19) is connected with one end of the motor, one end of the bidirectional DC-DC, one end of the air compressor and one end of the controller; the other end of the motor, the other end of the bidirectional DC-DC and the other end of the air compressor and the controller are connected with the input end of an auxiliary loop radiator (20).
5. The thermal management system of a hydrogen fuel cell vehicle as defined in claim 1, wherein:
the refrigerating solution loop adopts a lithium bromide solution, and specifically comprises: a generator (12), a solution pump (13) and an absorber (14); the absorber (14) is connected with the generator (12) through a solution pump (13); the generator (12) is connected to the absorber (14) via a first throttle valve.
6. The thermal management system of a hydrogen fuel cell vehicle as defined in claim 1, wherein:
the refrigerant circuit includes: a generator (12), an absorber (14), a liquid storage tank (15), a condenser (16), a crew evaporator (9) and a battery loop cooling plate exchanger (8);
the output end of the generator (12) is connected with the input end of the condenser (16); the output end of the condenser (16) is connected with the input end of the liquid storage tank (15); the output end of the liquid storage tank (15) is connected with one end of the second throttle valve; the other end of the second throttle valve is connected with the input end of a passenger cabin evaporator (9); the output end of the passenger cabin evaporator (9) is connected with one end of a fourth valve and the input end of the battery loop cooling plate exchanger (8); the output end of the battery loop cooling plate (8) is connected with one end of a third valve; the other end of the fourth valve is connected with the other end of the third valve and is commonly connected to one end of the absorber (14).
7. A thermal management control method of a hydrogen fuel cell automobile is applied to a thermal management system of the hydrogen fuel cell automobile as claimed in any one of claims 1 to 6, and is characterized in that: the method comprises the following functions: the method comprises the following steps of heating a galvanic pile, cooling the galvanic pile, maintaining the temperature of the galvanic pile, cooling an auxiliary component, heating a battery, heating a passenger compartment, operating a refrigeration loop, cooling the battery and cooling the passenger compartment.
8. The thermal management control method for the hydrogen fuel cell vehicle according to claim 7, characterized in that: the galvanic pile heating, the galvanic pile cooling and the galvanic pile temperature maintaining are carried out through a galvanic pile heat dissipation loop, and the method specifically comprises the following steps:
heating the galvanic pile: controlling a main loop high-pressure water pump (5) to operate, switching a pile heat dissipation loop into a PTC heater working loop by using a first electronic three-way proportional valve (4) and an electronic three-way proportional valve (11), and heating a pile by circulating a special anti-freezing solution for a fuel cell in the loop;
cooling the galvanic pile: controlling a main loop high-pressure water pump (5) to operate, switching a pile heat dissipation loop into a main loop radiator (17) action loop by using a first electronic three-way proportional valve (4) and an electronic three-way proportional valve (11), cooling the special antifreeze for the fuel cell in the loop, and further cooling the pile;
maintaining the temperature of the electric pile: and controlling the main loop high-pressure water pump (5) to operate, and controlling the air volume of the main loop radiator (17), the opening degree of the first electronic three-way proportional valve (4) and the rotating speed of the main loop high-pressure water pump (5) to enable the temperature of the anti-freezing solution special for the fuel cell to be in a preset range, so as to maintain the temperature of the galvanic pile.
9. The thermal management control method for the hydrogen fuel cell vehicle according to claim 7, characterized in that:
the auxiliary component cooling is carried out through an auxiliary heat dissipation loop, and specifically comprises the following steps: controlling an auxiliary loop water pump (19) to operate and an auxiliary loop radiator (20) to operate, cooling the common antifreeze in the auxiliary heat dissipation loop, and further cooling the auxiliary components;
the operation of the refrigerating circuit is carried out through a refrigerating solution circuit and a galvanic pile heat dissipation circuit, and the method specifically comprises the following steps: the high-pressure water pump (5) of the main loop is controlled to operate, the electronic three-way proportional valve (11) is switched to the right loop, and the sixth valve is controlled to be opened; controlling the solution pump (13) to operate; high-temperature water discharged from the galvanic pile passes through a generator (12), so that water in the lithium bromide solution absorbs heat and evaporates, and water vapor enters a condenser (16) to release heat and condense to form liquid water; liquid water is depressurized and throttled through a second throttling valve, enters a passenger cabin evaporator (9) or a battery loop cooling plate exchanger (8) to absorb heat and evaporate, and water vapor is absorbed by a lithium bromide solution in a container 14; the solution pump (13) enables the lithium bromide solution in the absorber (14) to enter the generator (12), and the evaporated lithium bromide solution flows out of the generator (12) and enters the absorber (14) through the first throttling valve to circulate in a reciprocating mode.
10. The thermal management control method for the hydrogen fuel cell vehicle according to claim 9, characterized in that:
the battery heating and cooling are carried out through a battery loop and a refrigeration loop, and specifically the method comprises the following steps:
heating the battery: the operation of a main loop high-pressure water pump (5) and a battery loop water pump (7) is controlled, an electronic three-way proportional valve (11) is switched to the right part of a battery loop, a first valve and a fifth valve are controlled to be opened, a second valve is controlled to be closed, high-temperature water discharged from a galvanic pile is exchanged (6) through a battery loop heating plate, common antifreeze in the battery loop is heated, and then the temperature of the battery is raised;
cooling the battery: controlling the refrigeration loop to operate, operating a battery loop water pump (7), opening a third valve and closing a fourth valve; the refrigerator evaporates and absorbs heat in the battery loop cooling plate exchanger (8), so that the common antifreeze is cooled, and the battery is cooled;
the heating of the passenger cabin and the cooling of the passenger cabin are carried out through a refrigerant loop and a galvanic pile heat dissipation loop, and the method specifically comprises the following steps:
heating the passenger compartment: the operation of a main loop high-pressure water pump (5) is controlled, an electronic three-way proportional valve (11) is switched to the right part of the loop, the first valve is controlled to be closed, the second valve and the fifth valve are controlled to be opened, and high-temperature water discharged from a galvanic pile heats air flowing into a passenger cabin through a passenger cabin warm air core body (10);
cooling the passenger compartment: controlling the refrigeration loop to operate, operating the passenger cabin evaporator (9), opening the fourth valve and closing the third valve; the passenger compartment evaporator (9) evaporates to absorb heat, so that the air entering the passenger compartment is cooled.
CN202110632957.8A 2021-06-07 2021-06-07 Hydrogen fuel cell automobile thermal management system and control method Pending CN113352860A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113715581A (en) * 2021-09-30 2021-11-30 南方英特空调有限公司 Integrated thermal management system for electric automobile
CN114932844A (en) * 2022-07-20 2022-08-23 北京福田欧辉新能源汽车有限公司 Vehicle thermal management system, control method thereof and vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113715581A (en) * 2021-09-30 2021-11-30 南方英特空调有限公司 Integrated thermal management system for electric automobile
CN113715581B (en) * 2021-09-30 2024-04-09 南方英特空调有限公司 Integrated heat management system of electric automobile
CN114932844A (en) * 2022-07-20 2022-08-23 北京福田欧辉新能源汽车有限公司 Vehicle thermal management system, control method thereof and vehicle

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