CN215826459U - Hydrogen fuel cell automobile thermal management system - Google Patents

Hydrogen fuel cell automobile thermal management system Download PDF

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Publication number
CN215826459U
CN215826459U CN202121269665.4U CN202121269665U CN215826459U CN 215826459 U CN215826459 U CN 215826459U CN 202121269665 U CN202121269665 U CN 202121269665U CN 215826459 U CN215826459 U CN 215826459U
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loop
battery
input end
valve
output end
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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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    • 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

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Abstract

The utility model provides a thermal management system of a hydrogen fuel cell automobile, which comprises: 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 utility model 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
Technical Field
The utility model relates to the field of fuel cell automobile thermal management systems, in particular to a hydrogen fuel cell automobile thermal management system.
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.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model 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 utility model provides a thermal management system of a hydrogen fuel cell automobile, which 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 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.
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.
The beneficial effects provided by the utility model 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 utility model, the special antifreezing solution for the fuel cell is an existing product, is not the core content of the utility model, 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 utility model, the common antifreezing solution is a product in the prior art, is not the core content of the utility model, 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.
The heat management control method of the hydrogen fuel cell automobile is applied to a heat management system of the hydrogen fuel cell automobile, 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 utility model 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 utility model, 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 (6)

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).
CN202121269665.4U 2021-06-07 2021-06-07 Hydrogen fuel cell automobile thermal management system Active CN215826459U (en)

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Application Number Priority Date Filing Date Title
CN202121269665.4U CN215826459U (en) 2021-06-07 2021-06-07 Hydrogen fuel cell automobile thermal management system

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