CN113276618A - Radiator for fuel cell waste heat utilization system - Google Patents
Radiator for fuel cell waste heat utilization system Download PDFInfo
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- CN113276618A CN113276618A CN202010101256.7A CN202010101256A CN113276618A CN 113276618 A CN113276618 A CN 113276618A CN 202010101256 A CN202010101256 A CN 202010101256A CN 113276618 A CN113276618 A CN 113276618A
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- side water
- water chamber
- heat dissipation
- radiator
- fuel cell
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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
- B60H1/00357—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
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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
- B60H1/04—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant
- B60H1/06—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant directly from main radiator
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- 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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/70—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by fuel cells
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
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- 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
- H01M8/04067—Heat exchange or temperature measuring elements, thermal insulation, e.g. heat pipes, heat pumps, fins
- H01M8/04074—Heat exchange unit structures specially adapted for fuel cell
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0043—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for fuel cells
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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
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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)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Fuel Cell (AREA)
Abstract
The invention provides a radiator for a fuel cell waste heat utilization system, which comprises a core body and four fans, wherein the core body comprises a first side water chamber, a second side water chamber and three groups of radiating fins, the first side water chamber is provided with a water inlet and two electromagnetic valves, the second side water chamber is provided with a water outlet and two electromagnetic valves, the first side water chamber, the second side water chamber and the three groups of radiating fins are all of a hollow structure, the two side water chambers are arranged in parallel, one end of each radiating fin is communicated with the first side water chamber, the other end of each radiating fin is communicated with the second side water chamber, the four fans are arranged above the radiating fins and fixedly connected with the core body, the water inlet is arranged at one end of the first side water chamber, and the water outlet is arranged at one end, opposite to the water inlet, of the second side water chamber.
Description
Technical Field
The invention relates to a radiator, in particular to a radiator for a fuel cell waste heat utilization system.
Background
The hydrogen fuel cell is a power generation device which directly converts chemical energy generated by the reaction of hydrogen and oxygen into electric energy through electrochemical reaction, has the advantages of high power generation efficiency, small environmental pollution and the like, and is widely applied to the field of automobiles. The fuel cell generates a large amount of heat during operation, so that heat dissipation is required for the stack, but excessive heat dissipation causes the stack temperature to be too low, which affects the operating efficiency of the stack, and therefore, the heat dissipation system of the fuel cell needs to maintain the temperature of the fuel cell within a proper range. Meanwhile, in order to accommodate use in cold regions, the passenger compartment of the fuel cell vehicle is also required to have a heating system.
In the prior art, the whole vehicle is heated by adopting a scheme of waste heat utilization, so that the power consumption of the whole vehicle is reduced, and the economical efficiency of the whole vehicle is improved. Because the heat dissipating capacity of the existing waste heat utilization radiator body is large, when the output power of the fuel cell is low, the heat generated by the fuel cell is less, if the heat generated by the fuel cell is less than the heat dissipating capacity of the radiator, the waste heat utilization function of the whole vehicle cannot be used, and the waste heat utilization efficiency is low.
In view of the foregoing, it would be desirable to provide a heat sink for a fuel cell waste heat utilization system that overcomes the deficiencies of the prior art.
Disclosure of Invention
The present invention is directed to a heat sink for a fuel cell waste heat utilization system that overcomes the disadvantages of the prior art. The object of the present invention is achieved by the following technical means.
One embodiment of the invention provides a radiator for a fuel cell waste heat utilization system, wherein the radiator for the fuel cell waste heat utilization system comprises a core body and four fans, the core body comprises a first side water chamber, a second side water chamber and three groups of radiating fins, the first side water chamber is provided with a water inlet and two electromagnetic valves, the second side water chamber is provided with a water outlet and two electromagnetic valves, the first side water chamber, the second side water chamber and the three groups of radiating fins are all of hollow structures, the two side water chambers are arranged in parallel, one end of each radiating fin is communicated with the first side water chamber, the other end of each radiating fin is communicated with the second side water chamber, the three groups of radiating fins are parallel to each other, gaps are reserved between the adjacent radiating fins, the four fans are arranged above the radiating fins and fixedly connected with the core body, the water inlet is arranged at one end of the first side water chamber, the water outlet is arranged at one end, opposite to the water inlet, of the second side water chamber, the electromagnetic valve of the first side water chamber is located between the connection points of the two adjacent radiating fins and the first side water chamber, and the electromagnetic valve of the second side water chamber is located between the connection points of the two adjacent radiating fins and the second side water chamber.
According to the heat sink for the fuel cell waste heat utilization system provided by the above embodiment of the present invention, the three sets of heat dissipation fins are the first heat dissipation fin, the second heat dissipation fin and the third heat dissipation fin, the two electromagnetic valves on the first side water chamber are the first electromagnetic valve and the second electromagnetic valve, the two electromagnetic valves on the second side water chamber are the third electromagnetic valve and the fourth electromagnetic valve, the distance from the connection point of the first heat dissipation fin and the first side water chamber to the water inlet is smaller than the distance from the connection point of the second heat dissipation fin and the first side water chamber to the water inlet, the distance from the connection point of the second heat dissipation fin and the first side water chamber to the water inlet is smaller than the distance from the connection point of the third heat dissipation fin and the first side water chamber to the water inlet, the first electromagnetic valve is located between the connection point of the first heat dissipation fin and the first side water chamber on the first side water chamber, and the connection point of the second heat dissipation fin and the first side water chamber on the first side water chamber are located between the third heat dissipation fin and the first side water chamber And the fourth electromagnetic valve is positioned between the connecting point of the second radiating fin and the second side water chamber on the second side water chamber and the connecting point of the third radiating fin and the second side water chamber.
According to the radiator for the fuel cell waste heat utilization system provided by the above one embodiment of the present invention, when the output power of the fuel cell is lower than the preset first power, the first electromagnetic valve and the third electromagnetic valve are closed, the coolant enters the radiator from the water inlet, and the coolant flows through the first heat dissipation fin to dissipate heat and then leaves the radiator from the water outlet.
According to the radiator for the fuel cell waste heat utilization system provided by the above one embodiment of the present invention, when the output power of the fuel cell is greater than or equal to the preset first power and less than the preset second power, the first electromagnetic valve and the third electromagnetic valve are opened, the second electromagnetic valve and the fourth electromagnetic valve are closed, the coolant enters the radiator from the water inlet, the coolant flows through the first heat dissipation fin and the second heat dissipation fin to dissipate heat, and then leaves the radiator from the water outlet, and the second power is greater than the first power.
According to the radiator for the fuel cell waste heat utilization system provided by the above one embodiment of the present invention, when the output power of the fuel cell is greater than or equal to the preset second power, all of the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve are opened, the coolant enters the radiator from the water inlet, and the coolant flows through the first heat dissipation fin, the second heat dissipation fin and the third heat dissipation fin to dissipate heat and then leaves the radiator from the water outlet.
According to the radiator for the fuel cell residual heat utilization system provided by the above-mentioned one embodiment of the present invention, wherein the fuel cell waste heat utilization system comprises an electric pile, a heat dissipation component, a warm air component and a heat exchanger, the heat dissipation component comprises a first pipeline, a first three-way valve, a second pipeline, a third pipeline, a radiator, a three-way pipeline, a liquid pump and a fourth pipeline, the first end of the first three-way valve is communicated with a water outlet of the galvanic pile through a first pipeline, the second end of the first three-way valve is communicated with the first end of the heat exchanger through a second pipeline, the second end of the heat exchanger is communicated with one end of the radiator through a fourth pipeline, the other end of the radiator is communicated with the first end of the three-way pipeline, the second end of the three-way pipeline is communicated with the third end of the first three-way valve, the third end of the three-way pipeline is communicated with the liquid pump, and the liquid pump is communicated with the water inlet of the galvanic pile through the fourth pipeline.
According to the radiator for the fuel cell waste heat utilization system provided by the embodiment of the invention, the warm air assembly comprises a fifth pipeline, a heating component and a sixth pipeline, one end of the heating component is communicated with the third end of the heat exchanger through the fifth pipeline, and the other end of the heating component is communicated with the fourth end of the heat exchanger through the sixth pipeline.
The radiator for the fuel cell waste heat utilization system has the advantages that: the electromagnetic valve is arranged on the radiator, and can control different amounts of fluid to flow through the radiator; the quantity of the radiating fins through which the cooling liquid passes can be controlled according to the output power of the fuel cell, so that the control on the radiating capacity of the cooling liquid is realized, the waste heat utilization system of the fuel cell can be used when the output power of the fuel cell is low (such as 10kW), the heat generated when a pile of the fuel cell vehicle runs is fully utilized, the power consumption of a warm air system is reduced, the energy utilization rate of the system is improved, and the use cost of the vehicle is reduced.
Drawings
The disclosure of the present invention will become more readily understood with reference to the accompanying drawings. As is readily understood by those skilled in the art: these drawings are only for illustrating the technical solutions of the present invention and are not intended to limit the scope of the present invention. In the figure:
FIG. 1 shows a schematic diagram for a fuel cell waste heat utilization system according to one embodiment of the present invention;
fig. 2 shows a schematic diagram of a radiator for a fuel cell residual heat utilization system according to an embodiment of the present invention.
Detailed Description
Fig. 1-2 and the following description depict alternative embodiments of the invention to teach those skilled in the art how to make and reproduce the invention. Some conventional aspects have been simplified or omitted for the purpose of teaching the present invention. Those skilled in the art will appreciate that variations or substitutions from these embodiments will fall within the scope of the invention. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the invention. Thus, the present invention is not limited to the following alternative embodiments, but is only limited by the claims and their equivalents.
Fig. 1 shows a schematic diagram of a waste heat utilization system for a fuel cell according to an embodiment of the present invention. As shown in fig. 1, the fuel cell waste heat utilization system comprises a stack 1, a heat dissipation assembly 2, a warm air assembly 3 and a heat exchanger 4, the radiator module 2 includes a first pipe 21, a first three-way valve 22, a second pipe 23, a third pipe 24, a radiator 25, a three-way pipe 26, a liquid pump 27, and a fourth pipe 28, the first end of the first three-way valve 22 is communicated with a water outlet 2512a of the galvanic pile 1 through a first pipeline 21, the second end of the first three-way valve 22 is communicated with the first end of the heat exchanger 4 through a second pipeline 23, the second end of the heat exchanger 4 is communicated with one end of a radiator 25 through a third pipeline 24, the other end of the radiator 25 is communicated with the first end of a three-way pipeline 26, the second end of the three-way pipeline 26 is communicated with the third end of the first three-way valve 22, the third end of the three-way pipeline 26 is communicated with a liquid pump 27, and the liquid pump 27 is communicated with a water inlet 2511a of the galvanic pile 1 through a fourth pipeline 28.
According to the radiator 25 for the fuel cell residual heat utilization system provided by the above embodiment of the present invention, the heater module 3 includes a fifth pipeline 31, a heating component 32 and a sixth pipeline 33, one end of the heating component 32 is communicated with the third end of the heat exchanger 4 through the fifth pipeline 31, and the other end of the heating component 32 is communicated with the fourth end of the heat exchanger 4 through the sixth pipeline 33.
Fig. 2 shows a schematic diagram of a radiator for a fuel cell residual heat utilization system according to an embodiment of the present invention. As shown in fig. 2, the heat sink for a fuel cell residual heat utilization system includes a core 251 and four fans 252, the core 251 includes a first side water chamber 2511, a second side water chamber 2512, and three sets of heat dissipation fins (2513,2514 and 2515), the first side water chamber 2511 is provided with a water inlet 2511a and two solenoid valves (2511b and 2511c), the second side water chamber 2512 is provided with a water outlet 2512a and two solenoid valves (2512b and 2512c), the first side water chamber 2511, the second side water chamber 2512, and the three sets of heat dissipation fins (2513,2514 and 2515) are all hollow structures, cooling liquid can pass through the first side water chamber 2511, the second side water chamber 2512, and the three sets of heat dissipation fins (2513,2514 and 2515), the first side water chamber 2511 and the second side water chamber 2512 are arranged in parallel to each other, one end of each heat dissipation fin is communicated with the first side water chamber 2511, the other end of each heat dissipation fin is communicated with the second side water chamber 2512, and the three sets of heat dissipation fins (2513,2514 and 2515) are arranged in parallel with a gap between them, the four fans 252 are disposed above the heat dissipation fins and fixedly connected to the core 251, a water inlet 2511a is disposed at one end of the first side water chamber 2511, a water outlet 2512a is disposed at one end of the second side water chamber 2512 opposite to the water inlet 2511a, the electromagnetic valve of the first side water chamber 2511 is located between connection points of two adjacent heat dissipation fins and the first side water chamber 2511, and the electromagnetic valve of the second side water chamber 2512 is located between connection points of two adjacent heat dissipation fins and the second side water chamber 2512.
According to the heat sink for the fuel cell residual heat utilization system according to the above-described embodiment of the present invention, the three sets of heat dissipation fins are the first heat dissipation fin 2513, the second heat dissipation fin 2514 and the third heat dissipation fin 2515, the two solenoid valves in the first side water chamber 2511 are the first solenoid valve 2511b and the second solenoid valve 2511c, the two solenoid valves in the second side water chamber 2512 are the third solenoid valve 2512b and the fourth solenoid valve 2512c, the distance from the connection point of the first heat dissipation fin 2513 and the first side water chamber 2511 to the water inlet 2511a is smaller than the distance from the connection point of the second heat dissipation fin 2514 and the first side water chamber 2511 to the water inlet 2511a, the distance from the connection point of the second heat dissipation fin 2514 and the first side water chamber 2511 to the water inlet 2511a is smaller than the distance from the connection point of the third heat dissipation fin 2515 and the first side water chamber 2511 to the water inlet 2511a, and the first solenoid valve 2511b is located in the first side water chamber 2511 Between the connection points with the first side water chamber 2511, the second solenoid valve 2511c is located between the connection point of the second heat radiation fin 2514 and the first side water chamber 2511 on the first side water chamber 2511 and the connection point of the third heat radiation fin 2515 and the first side water chamber 2511, the third solenoid valve 2512b is located between the connection point of the first heat radiation fin 2513 and the second side water chamber on the second side water chamber 2512 and the connection point of the second heat radiation fin 2514 and the second side water chamber 2512, and the fourth solenoid valve 2512c is located between the connection point of the second heat radiation fin 2514 and the second side water chamber 2512 on the second side water chamber 2512 and the connection point of the third heat radiation fin 2515 and the second side water chamber 2512.
The radiator for the fuel cell waste heat utilization system according to the above-mentioned one embodiment of the present invention is provided, wherein the first electromagnetic valve 2511b and the third electromagnetic valve 2512b are closed when the output power of the fuel cell is lower than the preset first power, the coolant enters the radiator 25 from the water inlet 2511a, and the coolant exits the radiator 25 from the water outlet 2512a after passing through the first heat dissipation fins 2513 for heat dissipation.
According to the radiator for the fuel cell waste heat utilization system provided by the above embodiment of the present invention, when the output power of the fuel cell is greater than or equal to the preset first power and less than the preset second power, the first electromagnetic valve 2511b and the third electromagnetic valve 2512b are opened, the second electromagnetic valve 2511c and the fourth electromagnetic valve 2512c are closed, the coolant enters the radiator 25 from the water inlet 2511a, and the coolant exits the radiator 25 from the water outlet 2512a after passing through the first heat dissipation fin 2513 and the second heat dissipation fin 2514 for heat dissipation, where the second power is greater than the first power.
According to the radiator for the fuel cell waste heat utilization system provided by the above embodiment of the present invention, when the output power of the fuel cell is equal to or higher than the preset second power, all of the first electromagnetic valve 2511b, the second electromagnetic valve 2511c, the third electromagnetic valve 2512b and the fourth electromagnetic valve 2512c are opened, the coolant enters the radiator 25 from the water inlet 2511a, and the coolant flows through the first heat dissipation fins 2513, the second heat dissipation fins 2514 and the third heat dissipation fins 2515 to dissipate heat and then leaves the radiator 25 from the water outlet 2512 a.
The radiator for the fuel cell waste heat utilization system has the advantages that: the electromagnetic valve is arranged on the radiator, and can control different amounts of fluid to flow through the radiator; the quantity of the radiating fins through which the cooling liquid passes can be controlled according to the output power of the fuel cell, so that the control on the radiating capacity of the cooling liquid is realized, the waste heat utilization system of the fuel cell can be used when the output power of the fuel cell is low (such as 10kW), the heat generated when a pile of the fuel cell vehicle runs is fully utilized, the power consumption of a warm air system is reduced, the energy utilization rate of the system is improved, and the use cost of the vehicle is reduced.
It will of course be realised that whilst the foregoing has been given by way of illustrative example of this invention, all such and other modifications and variations thereto as would be apparent to persons skilled in the art are deemed to fall within the broad scope and ambit of this invention as is herein set forth. Therefore, while this invention has been described with reference to preferred embodiments, it is not intended that the novel apparatus be limited thereby, but on the contrary, it is intended to cover various modifications and equivalent arrangements included within the broad scope of the above disclosure and the appended claims.
Claims (7)
1. A radiator for a fuel cell waste heat utilization system comprises a core body and four fans, wherein the core body comprises a first side water chamber, a second side water chamber and three groups of radiating fins, and is characterized in that the first side water chamber is provided with a water inlet and two electromagnetic valves, the second side water chamber is provided with a water outlet and two electromagnetic valves, the first side water chamber, the second side water chamber and the three groups of radiating fins are all of a hollow structure, the two side water chambers are arranged in parallel, one end of each radiating fin is communicated with the first side water chamber, the other end of each radiating fin is communicated with the second side water chamber, the three groups of radiating fins are parallel to each other, gaps are reserved between adjacent radiating fins, the four fans are arranged above the radiating fins and fixedly connected with the core body, and the water inlet is arranged at one end of the first side water chamber, the water outlet is arranged at one end, opposite to the water inlet, of the second side water chamber, the electromagnetic valve of the first side water chamber is located between the connection points of the two adjacent radiating fins and the first side water chamber, and the electromagnetic valve of the second side water chamber is located between the connection points of the two adjacent radiating fins and the second side water chamber.
2. The heat sink of claim 1, wherein the three sets of heat dissipation fins are a first heat dissipation fin, a second heat dissipation fin and a third heat dissipation fin, the two electromagnetic valves on the first side water chamber are a first electromagnetic valve and a second electromagnetic valve, the two electromagnetic valves on the second side water chamber are a third electromagnetic valve and a fourth electromagnetic valve, a distance from a connection point of the first heat dissipation fin and the first side water chamber to the water inlet is smaller than a distance from a connection point of the second heat dissipation fin and the first side water chamber to the water inlet, a distance from a connection point of the second heat dissipation fin and the first side water chamber to the water inlet is smaller than a distance from a connection point of the third heat dissipation fin and the first side water chamber, the first electromagnetic valve is located between a connection point of the first heat dissipation fin and the first side water chamber and a connection point of the second heat dissipation fin and the first side water chamber on the first side water chamber, and the second heat dissipation fin and the first side water chamber are located between a connection point of the second heat dissipation fin and the third heat dissipation fin and the first side water chamber on the first side water chamber And the fourth electromagnetic valve is positioned between the connecting point of the second radiating fin and the second side water chamber on the second side water chamber and the connecting point of the third radiating fin and the second side water chamber.
3. The radiator for a fuel cell residual heat utilization system according to claim 2, wherein the first electromagnetic valve and the third electromagnetic valve are closed when the output power of the fuel cell is lower than a preset first power, the coolant enters the radiator through the water inlet, and the coolant exits the radiator through the water outlet after passing through the first heat dissipation fin for heat dissipation.
4. The radiator for a fuel cell residual heat utilization system according to claim 3, wherein when the output power of the fuel cell is greater than or equal to a preset first power and less than a preset second power, the first solenoid valve and the third solenoid valve are opened and the second solenoid valve and the fourth solenoid valve are closed, the coolant enters the radiator from the water inlet, the coolant flows through the first cooling fin and the second cooling fin to dissipate heat and then leaves the radiator from the water outlet, and the second power is greater than the first power.
5. The heat sink for the fuel cell waste heat utilization system according to claim 4, wherein when the output power of the fuel cell is equal to or greater than the preset second power, all of the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, and the fourth electromagnetic valve are opened, the coolant enters the heat sink from the water inlet, and the coolant flows through the first heat dissipating fin, the second heat dissipating fin, and the third heat dissipating fin to dissipate heat and then exits the heat sink from the water outlet.
6. The radiator for a fuel cell residual heat utilization system according to any one of claims 1 to 5, it is characterized in that the fuel cell waste heat utilization system comprises a galvanic pile, a heat dissipation component, a warm air component and a heat exchanger, the heat dissipation component comprises a first pipeline, a first three-way valve, a second pipeline, a third pipeline, a radiator, a three-way pipeline, a liquid pump and a fourth pipeline, the first end of the first three-way valve is communicated with a water outlet of the galvanic pile through a first pipeline, the second end of the first three-way valve is communicated with the first end of the heat exchanger through a second pipeline, the second end of the heat exchanger is communicated with one end of the radiator through a third pipeline, the other end of the radiator is communicated with the first end of the three-way pipeline, the second end of the three-way pipeline is communicated with the third end of the first three-way valve, the third end of the three-way pipeline is communicated with the liquid pump, and the liquid pump is communicated with the water inlet of the galvanic pile through a fourth pipeline.
7. The radiator for a fuel cell residual heat utilization system according to claim 6, wherein the heater assembly includes a fifth pipe, a heating component and a sixth pipe, one end of the heating component is communicated with the third end of the heat exchanger through the fifth pipe, and the other end of the heating component is communicated with the fourth end of the heat exchanger through the sixth pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010101256.7A CN113276618A (en) | 2020-02-19 | 2020-02-19 | Radiator for fuel cell waste heat utilization system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010101256.7A CN113276618A (en) | 2020-02-19 | 2020-02-19 | Radiator for fuel cell waste heat utilization system |
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| CN113276618A true CN113276618A (en) | 2021-08-20 |
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| CN202010101256.7A Pending CN113276618A (en) | 2020-02-19 | 2020-02-19 | Radiator for fuel cell waste heat utilization system |
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Application publication date: 20210820 |