CN216783270U - Fuel cell heat management integrated system and automobile - Google Patents
Fuel cell heat management integrated system and automobile Download PDFInfo
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- CN216783270U CN216783270U CN202122941035.3U CN202122941035U CN216783270U CN 216783270 U CN216783270 U CN 216783270U CN 202122941035 U CN202122941035 U CN 202122941035U CN 216783270 U CN216783270 U CN 216783270U
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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
- 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
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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
- 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 relates to the technical field of fuel cell heat management integration, in particular to a fuel cell heat management integrated system and an automobile. A fuel cell thermal management integration system, comprising: by water storage kettle, water pump, battery cooler, increase journey battery, water-cooled condenser, pile auxiliary cooling spare, the first circulation circuit that radiating element formed of establishing ties in proper order, by air condition compressor pump, heat pump heater, the second circulation circuit that the heat pump evaporimeter formed of establishing ties in proper order, the heat pump heater with radiating element is parallelly connected, first three-way valve on the first circulation circuit, first three-way valve respectively with pile auxiliary cooling spare the radiating element with heat pump heater connection and intercommunication, be equipped with the second three-way valve on the second circulation circuit, the second three-way valve respectively with air condition compressor pump the heat pump heater with water-cooled condenser connects and communicates.
Description
Technical Field
The utility model relates to the technical field of fuel cell heat management integration, in particular to a fuel cell heat management integrated system and an automobile.
Background
As a power generation device, a hydrogen fuel cell system is mainly used for being carried on high-load vehicles such as trucks and lorries at present in the vehicle-mounted field, but due to the technical limitation at present, if the fuel cell is directly used for driving a power motor of an automobile, the power requirement on a pile is extremely high under the power working conditions of high load climbing and the like, the maximum power of the current fuel cell cannot meet the highest requirement and is influenced by the matching technology and the like, and an extended-range structure is generally adopted, so that the total cruising mileage can be increased, the requirements on the battery system and the matching thereof are low, and the rapid popularization is facilitated. At present, a method of independent or partially independent operation of a galvanic pile cooling, auxiliary cooling, a range-extended battery and an air conditioner is generally adopted, but the method has more parts and higher cost, and meanwhile, as more cooling modules are adopted, the noise is obvious, the failure rate is higher, and the requirement on space is high.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides a fuel cell thermal management integrated system.
The utility model provides a fuel cell thermal management integrated system, comprising: a first circulation loop formed by connecting a water storage kettle, a water pump, a battery cooler, a range-extended battery, a water-cooled condenser, an electric pile auxiliary cooling part and a heat dissipation unit in series in turn, a second circulation loop formed by connecting an air conditioner compressor pump, a heat pump heater and a heat pump evaporator in series in turn, the heat pump heater is connected with the heat radiation unit in parallel, a first three-way valve is arranged on the first circulation loop, the first three-way valve is respectively connected and communicated with the auxiliary cooling part of the electric pile, the heat dissipation unit and the heat pump heater, the second circulation loop is provided with a second three-way valve which is respectively connected and communicated with the air-conditioning compressor pump, the heat pump heater and the water-cooled condenser, the heat pump evaporator is connected in parallel with the battery cooler and the loop of the water-cooled condenser through a third three-way valve, and the heat pump evaporator is arranged in the heating ventilation air-conditioning assembly.
Further, the auxiliary cooling part of the electric pile comprises an intercooler, a DCDC and an air compressor assembly, the DCDC and the air compressor assembly are connected in series to the water-cooled condenser and the first three-way valve, and the intercooler is connected with the DCDC and the air compressor assembly in parallel.
Furthermore, the heat dissipation unit is a heat sink, and a heat dissipation fan is disposed on one side of the heat dissipation unit.
Further, warm logical air conditioner assembly include the air conditioner air-blower heat pump evaporimeter, cold wind channel, fourth three-way valve, warm braw core, warm braw wind channel and wind direction switching unit, the air conditioner air-blower sets up one side of heat pump evaporimeter, the heat pump evaporimeter with the warm braw core is established ties, the fourth three-way valve sets up the export in cold wind channel, the wind direction switching unit sets up the cold wind channel with the export in warm braw wind channel, its direction of delivery that is used for switching the air.
Further, the fourth three-way valve is a proportional three-way valve.
Further, the third three-way valve is a proportional three-way valve.
An automobile comprises the fuel cell heat management integrated system, and the fuel cell heat management integrated system is connected with an automobile body.
The technical scheme provided by the utility model has the beneficial effects that: the heat management integrated system of the fuel cell realizes the heating or cooling effect of the whole system by integrating the heat pump heater and the water cooling chiller, realizes the absorption of heat from a low-temperature environment and the release of heat from a high-temperature environment under the condition of consuming extremely small energy by the heat pump principle, greatly improves the utilization rate of energy, and saves 2-3 times of electric energy loss compared with the heating realized by a PTC heating method. And through this integrated structure, improve the integrated level of system, reduced part quantity and volume, also have certain advantage in the direction of cost control.
Drawings
FIG. 1 is a schematic structural diagram of an integrated fuel cell thermal management system according to the present invention;
fig. 2 is a schematic structural diagram of the heating, ventilating and air conditioning assembly of the utility model.
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. 1-2, an embodiment of the present invention provides an integrated system for thermal management of a fuel cell, including: by water storage kettle (1), water pump (2), battery cooler (3), increase journey battery (4), water cooled condenser (5), pile auxiliary cooling spare, the first circulation loop that radiating unit formed establishes ties in proper order, by air conditioner compressor pump (13), heat pump heater (11), the second circulation loop that heat pump evaporimeter (14) formed establishes ties in proper order, heat pump heater (11) with radiating unit is parallelly connected, first three-way valve (9) on the first circulation loop, first three-way valve (9) respectively with pile auxiliary cooling spare, radiating unit with heat pump heater (11) are connected and are linked together, be equipped with second three-way valve (12) on the second circulation loop, second three-way valve (12) respectively with air conditioner compressor pump (13), heat pump heater (11) and water cooled condenser (5) are connected and are linked together, the heat pump evaporator (14) is connected in parallel with the battery cooler (3) and the water-cooled condenser (5) through a third three-way valve (15), and the heat pump evaporator (14) is arranged in the heating ventilation air-conditioning assembly.
In the utility model, the first circulation loop is a circulation loop of cooling liquid, the second circulation loop is a circulation loop of refrigerant, and under the action of the first three-way valve (9), the second three-way valve (12) and the third three-way valve (15), the circulation paths of the cooling liquid and the refrigerant are changed, thereby assisting the extended range battery 4 to complete the cooling and heating operations. According to the utility model, the heat pump heater (11) and the water-cooled condenser (5) are arranged, and the control of different loops is realized through the three-way valve, so that the heating or cooling work of the range-extended battery 4 by the heat pump system under different working conditions is realized. It should be noted that the water storage kettle (1), the water pump (2), the battery cooler (3), the range-extended battery (4), the water-cooled condenser (5), the air-conditioning compressor pump (13), the heat pump heater (11), the heat pump evaporator (14), the first three-way valve (9), the second three-way valve (12) and the third three-way valve (15) are all in the prior structure, wherein the water storage kettle (1) is used for storing cooling liquid, the battery cooler (3) is used for cooling the range-extended battery, the range-extended battery (4) is used for increasing the cruising ability of the whole vehicle, the water-cooled condenser (5) is used for radiating heat when the heat pump system is used for refrigerating, the air-conditioning compressor pump (13) is used for pumping refrigerant, the heat pump heater (11) is used for heating the refrigerant, the heat pump evaporator (14) is used for cooling the refrigerant, the first three-way valve (9) and the third three-way valve (15) are used for controlling the pipeline to be connected and disconnected, the second three-way valve (12) is a proportional control three-way valve for regulating and controlling the flow of the coolant entering the heat pump evaporator (14) and the battery cooler (3), and the above parts are widely applied to the body structure of the fuel automobile, so the structure and the working principle of the above parts are not repeated.
In the above embodiment, the auxiliary cooling part of the electric pile comprises an intercooler (6), a DCDC (7) and an air compressor assembly (8), the DCDC (7) and the air compressor assembly (8) are connected in series between the water-cooled condenser (5) and the first three-way valve (9), and the intercooler (6) is connected in parallel with the DCDC (7) and the air compressor assembly (8).
In the utility model, an intercooler (6), a DCDC (7) and an air compressor assembly (8) are the prior art and are used as auxiliary systems of a fuel cell reactor system together, and the structure and the operation of the utility model are not described again. The air compressor assembly (8) comprises an air compressor and an air compressor controller which are integrally arranged.
In the above embodiment, the heat dissipation unit is a heat sink (10), and a heat dissipation fan (11) is disposed on one side of the heat dissipation unit.
In the utility model, the combined use of the radiator (10) and the radiating fan (11) can achieve the purpose of improving the radiating effect and efficiency of the cooling liquid.
In the above embodiment, the heating, ventilation and air conditioning assembly includes an air conditioner blower (16), the heat pump evaporator (14), a cold air duct, a fourth three-way valve (17), a warm air core (18), a warm air duct, and an air direction switching unit (19), the air conditioner blower (16) is disposed on one side of the heat pump evaporator (14), the heat pump evaporator (14) and the warm air core (18) are connected in series, the fourth three-way valve (17) is disposed at an outlet of the cold air duct, and the air direction switching unit (19) is disposed at outlets of the cold air duct and the warm air duct, and is used for switching the conveying direction of air.
In the utility model, the air conditioner blower (16) can realize the cooling of the heat pump evaporator (14) and also can be used as the source of air conditioner air. The fourth three-way valve (17) is a proportional control three-way valve and is used for controlling the flow of the cold air passing through the warm air core body (18) so as to achieve the purpose of regulating the temperature of the air entering the passenger compartment (20). And the wind direction switching unit (19) is used for realizing switching of a circulation path of the air-conditioning wind, when the cold wind channel or the warm wind channel is selected to be communicated with the passenger compartment (20), the cooled or heated air-conditioning wind can be conveyed into the passenger compartment (20), when the cold wind channel or the warm wind channel is selected, the air-conditioning wind is connected with the required requirement through the wind pipe 21, and the air-conditioning wind is directly discharged outside the vehicle or inside the vehicle so as to meet different requirements. In the utility model, the structure of the heating, ventilating and air conditioning assembly is the prior art, the wind direction switching unit (19) controls the direction of air conditioning wind also is the prior art, and the structure of the existing air conditioning assembly on the automobile can realize the functions of the heating, ventilating and air conditioning assembly, so the specific structure and the working principle of the heating, ventilating and air conditioning assembly are not repeated.
The utility model discloses a fuel cell thermal management integrated system, which comprises the following steps:
1. the cooling liquid sequentially enters a battery cooler (3), a range-extended battery (4) and a water-cooled condenser (5) through a water pump (2), then enters an auxiliary cooling part of the electric pile, and then is controlled to enter a heat pump heater (11) or a radiator (10) through a first three-way valve (9);
2. after being heated by an air conditioner compressor pump (13), the refrigerant is selected by a second three-way valve (12), enters a heat pump heater (11) when the range-extended battery 4 needs to be heated, and enters a water-cooled condenser (5) when the range-extended battery 4 needs to be cooled;
3. the refrigerant is adjusted through a first three-way valve (9) after passing through a water-cooled condenser (5) or a heat pump heater (11), so that the refrigerant enters a battery cooler (3) or the heat pump heater (11).
The heat management integrated system of the fuel cell realizes the heating or cooling effect on the whole system by integrating the heat pump heater and the water cooling chiller, realizes the heat absorption from the low-temperature environment and the heat release from the high-temperature environment under the condition of consuming little energy by the heat pump principle, greatly improves the utilization rate of the energy, and saves 2 to 3 times of electric energy loss compared with the method of heating by a PTC heating method. And through this integrated structure, improve the integrated level of system, reduced part quantity and volume, also have certain advantage in the direction of cost control.
An automobile comprising a fuel cell thermal management integrated system is connected with a body of the automobile.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The embodiments and features of the embodiments described herein above may be combined with each other without conflict.
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 (7)
1. A fuel cell thermal management integration system, comprising: by water storage kettle (1), water pump (2), battery cooler (3), increase journey battery (4), water cooled condenser (5), pile auxiliary cooling spare, the first circulation loop that radiating unit formed establishes ties in proper order, by air conditioner compressor pump (13), heat pump heater (11), the second circulation loop that heat pump evaporimeter (14) formed establishes ties in proper order, heat pump heater (11) with radiating unit is parallelly connected, first three-way valve (9) on the first circulation loop, first three-way valve (9) respectively with pile auxiliary cooling spare, radiating unit with heat pump heater (11) are connected and are linked together, be equipped with second three-way valve (12) on the second circulation loop, second three-way valve (12) respectively with air conditioner compressor pump (13), heat pump heater (11) and water cooled condenser (5) are connected and are linked together, the heat pump evaporator (14) is connected in parallel with the battery cooler (3) and the water-cooled condenser (5) through a third three-way valve (15), and the heat pump evaporator (14) is arranged in the heating ventilation air-conditioning assembly.
2. The integrated system for thermal management of the fuel cell according to claim 1, wherein the stack auxiliary cooling element comprises an intercooler (6), a DCDC (7) and an air compressor assembly (8), the DCDC (7) and the air compressor assembly (8) are connected in series between the water-cooled condenser (5) and the first three-way valve (9), and the intercooler (6) is connected in parallel with the DCDC (7) and the air compressor assembly (8).
3. A fuel cell thermal management integrated system according to claim 1, wherein the heat dissipation unit is a heat sink (10) having a heat dissipation fan at one side thereof.
4. The integrated system for thermal management of the fuel cell according to claim 1, wherein the hvac assembly comprises an air conditioner blower (16), the heat pump evaporator (14), a cold air duct, a fourth three-way valve (17), a warm air core (18), a warm air duct and an air direction switching unit (19), the air conditioner blower (16) is disposed at one side of the heat pump evaporator (14), the heat pump evaporator (14) and the warm air core (18) are connected in series, the fourth three-way valve (17) is disposed at an outlet of the cold air duct, and the air direction switching unit (19) is disposed at an outlet of the cold air duct and an outlet of the warm air duct, and is used for switching a conveying direction of air.
5. A fuel cell thermal management integration system according to claim 4, characterized in that the fourth three-way valve (17) is a proportional three-way valve.
6. A fuel cell thermal management integrated system according to claim 1, characterized in that the third three-way valve (15) is a proportional three-way valve.
7. An automobile comprising a fuel cell thermal management integrated system according to any one of claims 1 to 6, wherein the fuel cell auxiliary system and the battery thermal management integrated system are connected with a vehicle body.
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CN202122941035.3U CN216783270U (en) | 2021-11-25 | 2021-11-25 | Fuel cell heat management integrated system and automobile |
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CN202122941035.3U CN216783270U (en) | 2021-11-25 | 2021-11-25 | Fuel cell heat management integrated system and automobile |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113954697A (en) * | 2021-11-25 | 2022-01-21 | 重庆地大工业技术研究院有限公司 | Fuel cell auxiliary system and battery thermal management integrated system and control method thereof |
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2021
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113954697A (en) * | 2021-11-25 | 2022-01-21 | 重庆地大工业技术研究院有限公司 | Fuel cell auxiliary system and battery thermal management integrated system and control method thereof |
CN113954697B (en) * | 2021-11-25 | 2023-10-13 | 重庆地大工业技术研究院有限公司 | Fuel cell auxiliary system and battery thermal management integrated system and control method thereof |
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