CN110370889B - Method for using waste heat of fuel cell automobile power system for air-conditioning heating - Google Patents
Method for using waste heat of fuel cell automobile power system for air-conditioning heating Download PDFInfo
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- CN110370889B CN110370889B CN201910477951.0A CN201910477951A CN110370889B CN 110370889 B CN110370889 B CN 110370889B CN 201910477951 A CN201910477951 A CN 201910477951A CN 110370889 B CN110370889 B CN 110370889B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 111
- 239000000446 fuel Substances 0.000 title claims abstract description 72
- 239000002918 waste heat Substances 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004378 air conditioning Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 101
- 239000002826 coolant Substances 0.000 claims description 26
- 239000000110 cooling liquid Substances 0.000 claims description 20
- 230000009977 dual effect Effects 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 description 1
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/03—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant
- B60H1/034—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant from the cooling liquid of the propulsion plant and from an electric heating device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/30—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
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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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- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Air-Conditioning For Vehicles (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a method for using waste heat of a fuel cell automobile power system for air conditioning heating, which comprises a fuel cell stack heating system, other part heating systems, a double-system warm air heater core and a double-system radiator, wherein the fuel cell stack heating system is respectively in conduction connection with the double-system warm air heater core and the double-system radiator through a first circulating pipeline, and the other part heating systems are respectively in conduction connection with the double-system warm air heater core and the double-system radiator through a second circulating pipeline. The method for using the waste heat of the fuel cell automobile power system for air conditioning heating fully utilizes the waste heat generated by the fuel cell engine system to perform winter compartment heating, avoids energy waste, and also fully utilizes the waste heat generated by a high-voltage load in the fuel cell power system during working to perform winter compartment heating, thereby further reducing the energy waste.
Description
Technical Field
The invention relates to the technical field of fuel cell automobile heating, in particular to a method for using waste heat of a fuel cell automobile power system for air conditioning heating.
Background
At present, winter compartment heating technology for automobiles, especially new energy automobiles (including electric automobiles and fuel cell automobiles) becomes a technology of more concern for the automobile manufacturing industry.
In the existing new energy automobile heating system, some heating systems adopt heat released by PTC electric heating, and a large amount of electric energy is consumed due to the large PTC resistance value, so that the driving range of an automobile is influenced, and the heating efficiency is low and is less than 1; some electric automobile heating systems adopting a CO2 or HFC-134a heat pump cycle cancel the traditional hot water heating cycle and PTC heater, but waste heat generated by the electric energy loss of the new energy automobile is not applied, so that the heating efficiency is relatively low. For new energy vehicles, especially fuel cell vehicles, a fuel cell engine system (including a fuel cell stack, a super capacitor, a DCDC converter, etc.) and some high-voltage loads (including a motor, an electric controller, an air compressor controller, etc.) on the new energy vehicle generate certain heat energy, and the heat source of the part is not applied to heating of the new energy vehicle, so that energy waste is caused to a certain extent.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a method for using waste heat of a fuel cell automobile power system for air conditioning and heating.
In order to achieve the purpose, the invention adopts the following technical scheme: a method for using the waste heat of the power system of a fuel cell car for air-conditioning heating comprises a fuel cell stack heating system, other part heating systems, a double-system warm air heater core and a double-system radiator;
the fuel cell stack heating system is respectively connected with the dual-system warm air heater core and the dual-system radiator in a conduction mode through a first circulating pipeline;
the other part heating system is respectively connected with the dual-system heater core and the dual-system radiator in a conduction mode through a second circulating pipeline;
the fuel cell stack heating system comprises a fuel cell stack, a first expansion water tank, a first water pump, an intercooler, a PTC heater 2, a hot water valve 2, RH3, RH4 and RH 5;
the other part heating system comprises a motor controller, a motor, a super capacitor, a bidirectional DC/DC, a unidirectional DC/DC, an air compressor, a controller, a PTC heater 1, a second water pump, a filter, a second expansion water tank, a hot water valve 1, an SV1, an SV2, an SV3, an SV4, an RH1 and an RH 2.
Preferably, the first expansion tank, the RH5, the intercooler, the PTC heater 2, the first water pump, the RH3, the fuel cell stack, the RH4, and the hot water valve 2 are sequentially disposed on the first circulation pipe along a water flow direction, the RH5 is connected to a water outlet pipe of the dual-system radiator through a first branch, and the RH4 is connected to a water inlet pipe of the dual-system radiator through a second branch.
Preferably, the second expansion tank, the filter, the second water pump, RH1, RH2, the PTC heater 1, and the hot water valve 1 are sequentially disposed on the second circulation pipe in a water flow direction.
Preferably, the second circulation pipeline is connected with a third branch, a fourth branch, a fifth branch and a sixth branch in parallel between RH1 and RH 2.
Preferably, the third branch is provided with an electromagnetic valve SV1, a motor controller and a motor in sequence along the water flow direction.
Preferably, the fifth branch is provided with an electromagnetic valve SV3 and an air compressor controller in sequence along the water flow direction.
Preferably, the sixth branch is provided with an electromagnetic valve SV4 and a unidirectional DC/DC in sequence along the water flow direction.
Preferably, the PTC heater 1 is connected to a water inlet pipe of the dual system radiator through a seventh branch, and the water outlet pipe of the dual system radiator is connected to the filter through an eighth branch.
Preferably, the dual-system warm air heater core is connected with an air inlet cover through a blower, and the dual-system warm air heater core is in conduction connection with an air outlet cover arranged in the vehicle.
Compared with the prior art, the invention has the beneficial effects that:
1. the method for using the waste heat of the fuel cell automobile power system for air conditioning heating fully utilizes the waste heat generated by the fuel cell engine system to perform winter compartment heating, avoids energy waste, and also fully utilizes the waste heat generated by a high-voltage load in the fuel cell power system during working to perform winter compartment heating, thereby further reducing the energy waste.
2. In the method for using the waste heat of the power system of the fuel cell automobile for air conditioning and heating, because the fuel cell stack is different from other power system parts and cooling liquids required by cooling, the cooling system of the whole power system is divided into two parts, and in order to reduce the cost and reduce the assembly space, the invention adopts a double-system integrated warm air heater core to complete the heat exchange between the waste heat in the engine system of the fuel cell and high-voltage load and the interior of a carriage.
3. The method for using the waste heat of the fuel cell automobile power system for air conditioning heating can not only finish the cooling of the whole fuel cell automobile power system while finishing the heating of a carriage, but also can be used as the cooling system of the whole fuel cell automobile power system when a vehicle is in a non-heating state.
Drawings
Fig. 1 is a system configuration diagram illustrating a method for using waste heat of a power system of a fuel cell vehicle for air-conditioning heating according to the present invention;
FIG. 2 is a flow chart illustrating the operation of a method for utilizing waste heat of a fuel cell vehicle power system for air conditioning heating according to the present invention;
fig. 3 is a control schematic diagram of a method for using waste heat of a fuel cell vehicle power system for air conditioning heating according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, a method for using waste heat of a fuel cell automobile power system for air conditioning heating includes a fuel cell stack heating system, other component heating systems, a dual-system warm air heater core and a dual-system radiator, the fuel cell stack heating system is respectively connected with the dual-system warm air heater core and the dual-system radiator through a first circulation pipeline in a conduction manner, the other component heating systems are respectively connected with the dual-system warm air heater core and the dual-system radiator through a second circulation pipeline in a conduction manner, the fuel cell stack heating system includes a fuel cell stack, a first expansion water tank, a first water pump, an intercooler, a PTC heater 2, a hot water valve 2, RH3, RH4 and RH5, the other component heating systems include a motor controller, a motor, a super capacitor, a bidirectional DC/DC, a unidirectional DC/DC, an air compressor and a controller, a PTC heater 1, a second water pump, a power supply system, a power, The filter, the second expansion tank, hot water valve 1, SV1, SV2, SV3, SV4, RH1 and RH 2.
First expansion tank, RH5, the intercooler, PTC heater 2, first water pump, RH3, the fuel cell stack, RH4, hot water valve 2 sets gradually on first circulating line along the rivers flow direction, RH5 is through first branch and dual system radiator outlet pipe connection, RH4 is through second branch and dual system radiator inlet tube connection, second expansion tank, the filter, the second water pump, RH1, RH2, PTC heater 1, hot water valve 1 sets gradually on the second circulating line along the rivers flow direction.
A third branch, a fourth branch, a fifth branch and a sixth branch are connected in parallel on the second circulating pipeline between RH1 and RH2, a solenoid valve SV1, a motor controller and a motor are sequentially arranged on the third branch along the water flow direction, a solenoid valve SV2, a super capacitor and a bidirectional DC/DC are sequentially arranged on the fourth branch along the water flow direction, a solenoid valve SV3 and an air compressor controller are sequentially arranged on the fifth branch along the water flow direction, a solenoid valve SV4 and a unidirectional DC/DC are sequentially arranged on the sixth branch along the water flow direction, the PTC heater 1 is connected with a water inlet pipe of the dual-system radiator through the seventh branch, and is connected with a water outlet pipe of the dual-system radiator through an eighth branch in a conduction manner;
the dual-system warm air heater core is connected with an air inlet cover through an air blower, and the dual-system warm air heater core is in conduction connection with an air outlet cover arranged in the vehicle.
RH1, RH2, RH3, RH4, and RH5 are all water temperature sensors, and SV1, SV2, SV3, and SV4 are all electromagnetic valves.
The working principle is as follows:
referring to fig. 1 to 3, when the vehicle is heated in winter, a heater switch on an air conditioner panel is turned on, and the water temperature sensors RH2 and RH4 detect the temperature of the cooling liquid in the heating system of other components and the heating system of the fuel cell stack, respectively:
(1) if the temperatures of the cooling liquids detected by the water temperature sensors RH2 and RH4 are lower than a certain set value, the PTC heater 1 operates, the hot water valve 2 is closed, the hot water valve 1 is opened to control the flow rate of the cooling liquid, only the cooling liquid in the heating systems of other components flows into the dual-system warm air heater core at the moment, and then the heating of the carriage is performed in the warm air mode of the HVAC assembly, during the continuous heating, RH2 constantly monitors the temperature of the cooling liquid in the heating systems of other components, once the temperature of the cooling liquid in the systems reaches or is higher than a certain set value, the PTC heater 1 stops operating, the hot water valve 1 is continuously opened to control the flow rate of the cooling liquid, and the cooling liquid continuously flows into the dual-system warm air heater core; meanwhile, RH4 also monitors the temperature of the cooling liquid in the heating system of the fuel cell stack constantly, once the temperature of the cooling liquid in the system reaches or is higher than a certain set value, the hot water valve 2 is also opened and controls the flow of the cooling liquid, and the cooling liquid in the heating system of the fuel cell stack also flows into the double-system warm air heater core; at the moment, the heating system of other parts and the heating system of the fuel cell stack work simultaneously, and the heating of the carriage is carried out through the warm air mode of the HVAC assembly together. This situation exists when the vehicle has just been started because the waste heat generated in the fuel cell engine system and the high-voltage load is less and the temperature of the coolant is lower if the vehicle is in a state of just being started.
(2) If the temperature of the coolant detected by the RH2 reaches or is higher than a certain set value, and the temperature of the coolant detected by the R4 is lower than a certain set value, the PTC heater 1 does not operate, and at the same time, the hot water valve 2 is closed, the hot water valve 1 is opened and controls the flow rate of the coolant, and at this time, only the coolant in the heating system of other components flows into the dual-system heater core, so as to perform compartment heating in a warm air mode of the HVAC assembly, during the continuous heating, the temperatures of the coolant in the heating system are constantly monitored by the RH2 and the RH4, and once the temperature of the coolant in the heating system of the fuel cell stack reaches or is higher than a certain set value, the hot water valve 2 is also opened and controls the flow rate of the coolant, and the coolant in the heating system of the fuel cell stack; at the moment, the heating system of other parts and the heating system of the fuel cell stack work simultaneously, and the heating of the carriage is carried out through the warm air mode of the HVAC assembly together.
(3) If the temperature of the coolant detected by the RH4 reaches or is higher than a certain set value, and the temperature of the coolant detected by the R2 is lower than a certain set value, the PTC heater 1 does not operate, and at the same time, the hot water valve 1 is closed, and the hot water valve 2 is opened to control the flow rate of the coolant, and at this time, only the coolant in the fuel cell stack heating system flows into the dual-system heater core, thereby performing compartment heating through the warm air mode of the HVAC assembly. During the continuous heating, the RH2 and the RH4 can monitor the temperature of the cooling liquid in the heating system at any time, once the temperature of the cooling liquid in the heating system of other parts reaches or is higher than a certain set value, the hot water valve 1 is opened and the flow of the cooling liquid is controlled, and then the cooling liquid in the heating system of other parts also flows into the heater core of the dual-system heater; at the moment, the heating system of other parts and the heating system of the fuel cell stack work simultaneously, and the heating of the carriage is carried out through the warm air mode of the HVAC assembly together.
(4) If the temperatures of the cooling liquids detected by the RH2 and the RH4 are higher than a certain set value, the PTC heater 1 does not work, meanwhile, the hot water valve 1 and the hot water valve 2 are opened and the flow of the cooling liquid is controlled, and at the moment, the heating systems of other parts and the heating system of the fuel cell stack work simultaneously to perform compartment heating through the warm air mode of the HVAC assembly.
When the vehicle does not carry out heating, the PTC heater 1 does not work, the hot water valve 1 and the hot water valve 2 are all closed, cooling liquid in a heating system of other parts and a heating system of the fuel cell stack directly carries out heat dissipation through the double-system radiator, and in the running process of the vehicle, no matter whether the vehicle carries out heating or not, the cooling liquid can flow through the double-system radiator to carry out heat dissipation, so that the cooling of the whole fuel cell power system is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A method for using the waste heat of a fuel cell automobile power system for air-conditioning heating is characterized by comprising a fuel cell stack heating system, other part heating systems, a double-system warm air heater core and a double-system radiator;
the fuel cell stack heating system is respectively connected with the dual-system warm air heater core and the dual-system radiator in a conduction mode through a first circulating pipeline;
the other part heating system is respectively connected with the dual-system heater core and the dual-system radiator in a conduction mode through a second circulating pipeline;
the fuel cell stack heating system comprises a fuel cell stack, a first expansion water tank, a first water pump, an intercooler, a PTC heater 2, a hot water valve 2, a water temperature sensor RH3, a water temperature sensor RH4 and a water temperature sensor RH 5;
the other part heating system consists of a motor controller, a motor, a super capacitor, a bidirectional DC/DC, a unidirectional DC/DC, an air compressor, a controller, a PTC heater 1, a second water pump, a filter, a second expansion water tank, a hot water valve 1, an electromagnetic valve SV1, an electromagnetic valve SV2, an electromagnetic valve SV3, an electromagnetic valve SV4, a water temperature sensor RH1 and a water temperature sensor RH 2;
the water temperature sensor RH2 detects the temperature of the cooling liquid in the heating system of other components in real time, and the water temperature sensor RH4 detects the temperature of the cooling liquid in the heating system of the fuel cell stack in real time; wherein:
if the temperatures of the coolant detected by the water temperature sensor RH2 and the water temperature sensor RH4 are lower than the set values, the PTC heater 1 works, the hot water valve 2 is closed, the hot water valve 1 is opened, the flow of the coolant is controlled, only the coolant in the heating system of other parts flows into the dual-system heater core, and then the heating of the carriage is carried out through the warm air mode of the HVAC assembly;
if the temperatures of the coolant detected by the water temperature sensor RH2 and the water temperature sensor RH4 reach or are higher than set values, the PTC heater 1 stops working, the hot water valve 1 and the hot water valve 2 are opened at the same time, the corresponding coolant flow is controlled, and the heating systems of other components and the fuel cell stack are operated at the same time, and the heating of the compartment is performed in a warm air mode of the HVAC assembly together;
if the temperature of the coolant in the heating systems of the other components detected by the water temperature sensor RH2 reaches or is higher than a set value and the temperature of the coolant in the heating systems of the fuel cell stack detected by the water temperature sensor RH4 is lower than the set value, the PTC heater 1 stops working, the hot water valve 2 is closed, the hot water valve 1 is opened and the flow of the coolant is controlled, only the coolant in the heating systems of the other components flows into the dual-system heater core, and then the heating of the compartment is performed in a warm air mode of the HVAC assembly;
if the temperature of the coolant in the heating system of the other component detected by the water temperature sensor RH2 is lower than a set value and the temperature of the coolant in the heating system of the fuel cell stack detected by the water temperature sensor RH4 reaches or is higher than the set value, the PTC heater 1 stops working, and at the same time, the hot water valve 1 is closed, the hot water valve 2 is opened and the flow rate of the coolant is controlled, and only the coolant in the heating system of the fuel cell stack flows into the dual-system heater core, thereby performing compartment heating through the warm air mode of the HVAC assembly.
2. The method for utilizing the waste heat of the power system of the fuel cell automobile for air conditioning and heating as claimed in claim 1, wherein the first expansion water tank, the water temperature sensor RH5, the intercooler, the PTC heater 2, the first water pump, the water temperature sensor RH3, the fuel cell stack, the water temperature sensor RH4, and the hot water valve 2 are sequentially disposed on the first circulation pipe along the flow direction of water, the water temperature sensor RH5 is connected to the outlet pipe of the dual system radiator through a first branch, and the water temperature sensor RH4 is connected to the inlet pipe of the dual system radiator through a second branch.
3. The method for utilizing the waste heat of the power system of the fuel cell vehicle for air conditioning heating as claimed in claim 1, wherein the second expansion tank, the filter, the second water pump, the water temperature sensor RH1, the water temperature sensor RH2, the PTC heater 1, and the hot water valve 1 are sequentially disposed on the second circulation pipe in a water flow direction.
4. The method for utilizing waste heat of a fuel cell vehicle power system for air conditioning heating as claimed in claim 1, wherein a third branch, a fourth branch, a fifth branch and a sixth branch are connected in parallel on the second circulation pipe between the water temperature sensor RH1 and the water temperature sensor RH 2.
5. The method for utilizing the waste heat of the power system of the fuel cell automobile for air conditioning heating as claimed in claim 4, wherein the solenoid valve SV1, the motor controller and the motor are sequentially arranged on the third branch along the water flow direction.
6. The method for utilizing the waste heat of the power system of the fuel cell automobile for air-conditioning heating as claimed in claim 4, wherein the fourth branch is provided with a solenoid valve SV2, a super capacitor and a bidirectional DC/DC in sequence along the water flow direction.
7. The method for utilizing the waste heat of the power system of the fuel cell automobile for air conditioning heating as claimed in claim 4, wherein the fifth branch is provided with a solenoid valve SV3 and an air compressor controller in sequence along the water flow direction.
8. The method for utilizing the waste heat of the power system of the fuel cell automobile for air-conditioning heating as claimed in claim 4, wherein the sixth branch is provided with an electromagnetic valve SV4 and unidirectional DC/DC in sequence along the water flow direction.
9. The method for using the waste heat of the power system of the fuel cell vehicle for air conditioning heating according to claim 4, wherein the PTC heater 1 is connected with the inlet pipe of the dual system radiator through a seventh branch, and the outlet pipe of the dual system radiator is in conduction connection with the filter through an eighth branch.
10. The method for utilizing the waste heat of the power system of the fuel cell automobile for air conditioning and heating as claimed in claim 4, wherein the dual-system warm air heater core is connected with an air inlet cover through a blower, and is in conduction connection with an air outlet cover arranged in the automobile.
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| EP1111214A2 (en) * | 1999-12-21 | 2001-06-27 | Valeo Klimasysteme GmbH | Circuit for cooling and heating with two heat exchangers |
| CN101318455A (en) * | 2008-05-30 | 2008-12-10 | 清华大学 | Exhaust heat heating system of fuel cell vehicle |
| CN104078694A (en) * | 2014-06-27 | 2014-10-01 | 唐山轨道客车有限责任公司 | Waste heat utilizing method and device |
| CN106099256A (en) * | 2016-06-12 | 2016-11-09 | 涂华刚 | A kind of electric motor car energy storage type heat management system |
| CN109249775A (en) * | 2017-07-12 | 2019-01-22 | 上海重塑能源科技有限公司 | A kind of warm air system and heating method for fuel-cell vehicle |
| CN108608829A (en) * | 2018-04-16 | 2018-10-02 | 中国科学院广州能源研究所 | Electric automobile air-conditioning system based on heat management and its control method |
| CN109367352A (en) * | 2018-10-15 | 2019-02-22 | 武汉格罗夫氢能汽车有限公司 | Fuel cell motive force passenger car cooling system |
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