CN203839462U - Heat dissipation system of fuel cell - Google Patents
Heat dissipation system of fuel cell Download PDFInfo
- Publication number
- CN203839462U CN203839462U CN201420212102.5U CN201420212102U CN203839462U CN 203839462 U CN203839462 U CN 203839462U CN 201420212102 U CN201420212102 U CN 201420212102U CN 203839462 U CN203839462 U CN 203839462U
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- CN
- China
- Prior art keywords
- fuel cell
- heat
- air
- pipe radiator
- submodule
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 68
- 230000017525 heat dissipation Effects 0.000 title abstract description 6
- 239000000498 cooling water Substances 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 230000004087 circulation Effects 0.000 claims abstract description 27
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000001257 hydrogen Substances 0.000 claims abstract description 24
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 24
- 239000012809 cooling fluid Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 230000005494 condensation Effects 0.000 claims description 18
- 238000009833 condensation Methods 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 14
- 230000001839 systemic circulation Effects 0.000 claims description 9
- 238000001704 evaporation Methods 0.000 claims description 8
- 230000007306 turnover Effects 0.000 claims description 3
- 239000012528 membrane Substances 0.000 description 5
- 230000005855 radiation Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- 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
Abstract
The utility model relates to a heat dissipation system of a fuel cell. The heat dissipation system comprises a hydrogen circulation module connected to a fuel cell stack, an air circulation module and a cooling fluid circulation module. The hydrogen circulation module comprises a hydrogen source, an electromagnetic valve a (1), a pressure sensor a (2), a hydrogen inlet of the fuel cell stack, a hydrogen outlet of the fuel cell stack, an electromagnetic valve b (3) and a steam and water separator a (4) which are connected in sequence. The air circulation module comprises a heating submodule and a humidifying submodule, air sequentially passes through the air heating submodule and the humidifying submodle to enter the fuel cell stack, and the air flows out of the fuel cell stack to circularly return to the humidifying submodule to be discharged thoroughly. The cooling fluid circulation module comprises a major cooling water cycle and a minor cooling water cycle. Compared with the prior art, the heat dissipation system has the advantages of being high in heat dissipation response speed, capable of accurately controlling the temperature of cooling water and fully utilizing heat dissipated by the system, and the like.
Description
Technical field
The utility model relates to fuel cell, especially relates to a kind of cooling system of fuel cell.
Background technology
Along with environmental pollution is more and more serious, petroleum resources are more and more exhausted, seek the focus that power source that automobile is new has become world car area research and development.Wherein fuel cell electric vehicle receives much attention as a kind of novel energy-saving automobile.Fuel cell is a kind ofly mainly by oxygen or other oxidants, to carry out redox reaction, the chemical energy in fuel is converted to the battery of electric energy.Wherein, Proton Exchange Membrane Fuel Cells is because of its high efficiency, and low energy consumption and low pollution emission are considered to replace the tool washability of current automobile power, the most competitive dynamic origin.In addition, also can be widely used in mobile device, communication, the fields such as family's generating, have wide market application foreground.
Proton Exchange Membrane Fuel Cells is directly changed into electric energy by hydrogen and oxidant (pure oxygen or air) by electrochemical reaction, and discharges a large amount of heats.When respectively to anode of fuel cell and negative electrode supply hydrogen and oxygen, reacting gas spreads through diffusion layer, the catalyzed dose of absorption of hydrogen atom the ionization that enter porous anode are hydrogen ion and electronics, hydrogen ion is transferred to negative electrode via proton exchange membrane, electronics in electrode, be passed to negative pole currect collecting plate through external circuit load flow to negative electrode, meanwhile, hydrogen ion and oxygen atom are combined into hydrone on cathode catalysis layer.And electronics produces electric energy by external circuit.But, proton exchange membrane only in suitable temperature range, the proton conductivity that guarantee is good.
The working temperature of fuel cell has impact very significantly to its performance.During low temperature, various Polarimetric enhancements in battery, ohmage is also larger, therefore makes battery performance worsen.When temperature raises, can reduce ohmage, less polarization simultaneously, and be conducive to improve electrochemical reaction rates and the transmission speed of proton in film, battery performance improves.But due to its electric conductivity of water content strong effect of film, temperature height can cause film dehydration, and conductivity declines, battery performance variation.Therefore, keep the heat balance of fuel battery inside, it worked in certain temperature range, be very necessary be also extremely important.So the cooling system of fuel cell is extremely important.
Fuel cell radiator used is automobile-used radiator at present.Automobile-used radiator, heat dissipation capacity is large, easy for installation, large but the consumed power of radiator fan accounts for the percentage of fuel cell system power output, and heat radiation response speed is slow.
Therefore, the utility model provides a kind of fuel cell cooling system that is applicable to laboratory, can realize the accurate control of the optimum operating temperature range of Proton Exchange Membrane Fuel Cells, and there is response speed faster, and make full use of the heat that fuel cell system distributes and add hot-air, realize the utilization of waste heat.
Summary of the invention
The purpose of this utility model is exactly to provide a kind of response speed faster that has in order to overcome the defect that above-mentioned prior art exists, and makes full use of the heat that fuel cell system distributes and add hot-air, realizes the cooling system of fuel cell of the utilization of waste heat.
The purpose of this utility model can be achieved through the following technical solutions: a kind of cooling system of fuel cell, comprise the hydrogen circulation module being connected on fuel cell pack, circulation of air module and cooling fluid loop module, described hydrogen circulation module comprises and connects successively hydrogen source, electromagnetically operated valve a, pressure sensor a, the hydrogen inlet of fuel cell pack, the hydrogen outlet of fuel cell pack, electromagnetically operated valve b, steam-water separator a, it is characterized in that, described circulation of air module comprises heating submodule, humidification submodule, air is in turn by air heat submodule, after humidification submodule, enter fuel cell pack, from fuel cell pack flows out, circulating, it is emptying to return after humidification submodule, described cooling fluid loop module comprises cooling water systemic circulation, cooling water small-size circulating.
Described cooling water systemic circulation is: cooling water passes through flow control valve a, heat-pipe radiator, water tank, water pump, temperature sensor b, pressure sensor c, fuel cell pack, pressure sensor e, temperature sensor d in turn;
Described cooling water small-size circulating is: cooling water passes through flow control valve b, water tank, water pump, temperature sensor b, pressure sensor c, fuel cell pile, pressure sensor e, temperature sensor d in turn.
Described temperature sensor b and temperature sensor d are separately positioned on before and after air turnover fuel cell pile.
Described heat-pipe radiator comprises heat pipe radiator evaporating section, heat-pipe radiator adiabatic section, heat-pipe radiator condensation segment, radiator fan, described heat pipe radiator evaporating section and heat-pipe radiator condensation segment are separately positioned on two ends, heat-pipe radiator adiabatic section, described radiator fan is arranged on the rear end of heat-pipe radiator, is positioned at heat-pipe radiator condensation segment place.
Air heat submodule in described circulation of air module comprises heat-pipe radiator condensation segment, be arranged on air and enter before whole system, air passes through heat-pipe radiator condensation segment, humidifier in turn, temperature sensor c, pressure sensor d, fuel cell pile, temperature sensor a, pressure sensor b, humidifier, steam-water separator b, end communicates with atmosphere.
Humidification submodule in described circulation of air module, comprises humidifier, is arranged on air and enters before fuel cell pile.
Compared with prior art, the fuel cell heat sink that the utility model provides comprises hydrogen circulation module, system radiating module, and circulation of air module, has realized air themperature, the control of humidity, the control of cooling water temperature.Both guarantee the fast-response of cooling system, and can guarantee again the accuracy that cooling water temperature is controlled.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
In figure:
1 electromagnetically operated valve a, 2 pressure sensor a, 3 electromagnetically operated valve b, 4 steam-water separator a, 5 temperature sensor a, 6 pressure sensor b, 7 temperature sensor b, 8 pressure sensor c, 9 water pumps, 10 hand-operated valves, 11 water tanks, 12 heat-pipe radiators, 13 heat pipe radiator evaporating sections, 14 heat-pipe radiator adiabatic sections, 15 heat-pipe radiator condensation segments, 16 radiator fans, 17 flow control valve a, 18 flow control valve b, 19 steam-water separator b, 20 humidifiers, 21 temperature sensor c, 22 pressure sensor d, 23 pressure sensor e, 24 temperature sensor d, 25 fuel cell piles.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Embodiment
As shown in Figure 1, a kind of cooling system of fuel cell, comprises hydrogen circulation module, system radiating module, circulation of air module: system radiating module is that cooling fluid loop module comprises cooling water systemic circulation, cooling water small-size circulating; Cooling water passes through water tank, water pump, temperature controller, pressure sensor, fuel cell pile, flow control valve, heat pipe radiator evaporating section in turn; Air passes through air heat submodule in turn, humidification submodule, and circulation of air module end connects atmosphere.
Wherein:
Hydrogen circulation module, main purpose is to control flow and the pressure that meets desired gas, gas purging, comprises the electromagnetically operated valve a1 connecting successively, pressure sensor a2, electromagnetically operated valve b3, steam-water separator a4.Hydrogen is exported from hydrogen source, through electromagnetically operated valve a1, and the hydrogen inlet of pressure sensor a2, fuel cell pack 25, the hydrogen outlet of fuel cell pack 25, electromagnetically operated valve b3, steam-water separator a4 discharges.
System radiating module, main purpose is the temperature range that the temperature of control cooling water reaches system optimal work, is also the nucleus module of native system.System radiating module comprises cooling water systemic circulation and cooling water small-size circulating, described cooling water systemic circulation is: cooling water is in turn by flow control valve a17, heat-pipe radiator 12, water tank 11, water pump 9, temperature sensor b7, pressure sensor c8, fuel cell pack 25, pressure sensor e23, temperature sensor d24, back flow control valve a17 forms systemic circulation; Described cooling water small-size circulating is: cooling water passes through flow control valve b18, water tank 11, water pump 9 in turn, temperature sensor b7, pressure sensor c8, fuel cell pile 25, pressure sensor e23, temperature sensor d24, back flow control valve b18 forms partial circulating.
The groundwork principle of dispelling the heat in this system is that cooling water is taken heat out of from system, through the radiator fan forced heat radiation of heat-pipe radiator.It is according to the size of temperature sensor b7 temperature, to control the circulation of cooling water that temperature in this invention is controlled cardinal principle.The temperature of temperature sensor b7 is greater than the design temperature of fuel cell system, and cooling water carries out systemic circulation; The temperature of temperature sensor b7 is less than the design temperature of fuel cell system, and cooling water carries out partial circulating.
Heat-pipe radiator in described system radiating module, main purpose be by fan to cooling water forced heat radiation, guarantee the temperature range of cooling water, heat-pipe radiator condensation segment carries out preheating to air simultaneously.Comprise heat pipe radiator evaporating section 13, heat-pipe radiator adiabatic section 14, heat-pipe radiator condensation segment 15, radiator fan 16, described heat pipe radiator evaporating section 13 and heat-pipe radiator condensation segment 15 are separately positioned on 14 two ends, heat-pipe radiator adiabatic section, described radiator fan 16 is arranged on the rear end of heat-pipe radiator 12, is positioned at heat-pipe radiator condensation segment 14 places.
Temperature sensor b7 in described system radiating module and temperature sensor d24 are separately positioned on before and after air turnover fuel cell pile.
Circulation of air module, main purpose is the warming and humidifying that the water that makes full use of heat that fuel cell system distributes and generation is realized air.Circulation of air module mainly comprises air heat submodule, air wetting submodule, air passes through heat-pipe radiator condensation segment 15, humidifier 20 in turn, temperature sensor c21, pressure sensor d22, fuel cell pile 25, temperature sensor a5, pressure sensor b6, humidifier 20, steam-water separator b19, end communicates with atmosphere.
Described heating submodule, is mainly to add hot-air in order to make full use of the heat distributing of radiator, has not only utilized the waste heat of system, and has reduced the consumption of auxiliary element power.Operation principle is that the working media in heat pipe absorbs heat from heat pipe evaporator section, in condensation segment release heat, by fan forced heat radiation, utilizes the heat that system is distributed to add hot-air, comprises heat-pipe radiator condensation segment 15, is arranged on air and enters before whole system.
Described humidification submodule, to be mainly the water humidifying air generating in fuel cell system in order directly utilizing, to have avoided the use of extra humidifier and the supply of humidification water, simplified the structure of system, comprise humidifier 20, be arranged on air and enter before fuel cell pile 25.
Claims (6)
1. the cooling system of a fuel cell, comprise the hydrogen circulation module being connected on fuel cell pack, circulation of air module and cooling fluid loop module, described hydrogen circulation module comprises and connects successively hydrogen source, electromagnetically operated valve a (1), pressure sensor a (2), the hydrogen inlet of fuel cell pack, the hydrogen outlet of fuel cell pack, electromagnetically operated valve b (3), steam-water separator a (4), it is characterized in that, described circulation of air module comprises heating submodule, humidification submodule, air is in turn by air heat submodule, after humidification submodule, enter fuel cell pack, from fuel cell pack flows out, circulating, it is emptying to return after humidification submodule, described cooling fluid loop module comprises cooling water systemic circulation, cooling water small-size circulating.
2. the cooling system of a kind of fuel cell according to claim 1, it is characterized in that, described cooling water systemic circulation is: cooling water passes through flow control valve a (17), heat-pipe radiator (12), water tank (11) in turn, water pump (9), temperature sensor b (7), pressure sensor c (8), fuel cell pack (25), pressure sensor e (23), temperature sensor d (24);
Described cooling water small-size circulating is: cooling water is in turn by flow control valve b (18), water tank (11), water pump (9), temperature sensor b (7), pressure sensor c (8), fuel cell pile (25), pressure sensor e (23), temperature sensor d (24).
3. the cooling system of a kind of fuel cell according to claim 2, is characterized in that, described temperature sensor b (7) and temperature sensor d (24) are separately positioned on before and after air turnover fuel cell pile (25).
4. the cooling system of a kind of fuel cell according to claim 2, it is characterized in that, described heat-pipe radiator (12) comprises heat pipe radiator evaporating section (13), heat-pipe radiator adiabatic section (14), heat-pipe radiator condensation segment (15), radiator fan (16), described heat pipe radiator evaporating section (13) and heat-pipe radiator condensation segment (15) are separately positioned on two ends, heat-pipe radiator adiabatic section (14), described radiator fan (16) is arranged on the rear end of heat-pipe radiator, is positioned at heat-pipe radiator condensation segment (15) and locates.
5. the cooling system of a kind of fuel cell according to claim 4, it is characterized in that, air heat submodule in described circulation of air module comprises heat-pipe radiator condensation segment (15), being arranged on air enters before whole system, air is in turn by heat-pipe radiator condensation segment (15), humidifier (20), temperature sensor c (21), pressure sensor d (22), fuel cell pile (25), temperature sensor a (5), pressure sensor b (6), humidifier (20), steam-water separator b (19), end communicates with atmosphere.
6. a kind of cooling system of fuel cell according to claim 1 or 5, is characterized in that, the humidification submodule in described circulation of air module, comprises humidifier (20), and being arranged on air, to enter fuel cell pile (25) front.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420212102.5U CN203839462U (en) | 2014-04-28 | 2014-04-28 | Heat dissipation system of fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420212102.5U CN203839462U (en) | 2014-04-28 | 2014-04-28 | Heat dissipation system of fuel cell |
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| Publication Number | Publication Date |
|---|---|
| CN203839462U true CN203839462U (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420212102.5U Expired - Lifetime CN203839462U (en) | 2014-04-28 | 2014-04-28 | Heat dissipation system of fuel cell |
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| CN (1) | CN203839462U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104934619A (en) * | 2015-04-30 | 2015-09-23 | 西南交通大学 | Thermal management system of water-cooling proton exchange membrane fuel cell and control method of thermal management system |
| CN106229528A (en) * | 2016-09-30 | 2016-12-14 | 江苏科技大学 | A kind of fuel cell tail gas recycle device |
| CN106654322A (en) * | 2016-12-08 | 2017-05-10 | 浙江大学 | Fuel cell thermal management system with heat accumulation and heating functions and control method |
| WO2018064786A1 (en) * | 2016-10-08 | 2018-04-12 | 刘翠娥 | High efficiency heat-dissipating fuel cell cooling system apparatus |
| CN109728324A (en) * | 2017-10-31 | 2019-05-07 | 上海申龙客车有限公司 | A kind of integral new-energy passenger fuel cell system with cooling water quality control |
| CN112825361A (en) * | 2019-11-21 | 2021-05-21 | 上海德威明兴新能源科技有限公司 | Water/heat balance method for fuel cell |
| CN112909295A (en) * | 2021-01-22 | 2021-06-04 | 北京理工大学 | Fuel cell stack cooling system applying spray cooling |
| CN113285090A (en) * | 2021-04-08 | 2021-08-20 | 东风汽车集团股份有限公司 | Fuel cell thermal management system and control method thereof |
| CN113299956A (en) * | 2021-04-28 | 2021-08-24 | 一汽解放汽车有限公司 | Fuel cell engine test system |
| CN113437328A (en) * | 2021-05-25 | 2021-09-24 | 中国舰船研究设计中心 | Latent multi-module fuel cell thermal management system |
-
2014
- 2014-04-28 CN CN201420212102.5U patent/CN203839462U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104934619A (en) * | 2015-04-30 | 2015-09-23 | 西南交通大学 | Thermal management system of water-cooling proton exchange membrane fuel cell and control method of thermal management system |
| CN106229528A (en) * | 2016-09-30 | 2016-12-14 | 江苏科技大学 | A kind of fuel cell tail gas recycle device |
| CN106229528B (en) * | 2016-09-30 | 2019-01-08 | 江苏科技大学 | A kind of fuel cell tail gas recycle device |
| WO2018064786A1 (en) * | 2016-10-08 | 2018-04-12 | 刘翠娥 | High efficiency heat-dissipating fuel cell cooling system apparatus |
| CN106654322A (en) * | 2016-12-08 | 2017-05-10 | 浙江大学 | Fuel cell thermal management system with heat accumulation and heating functions and control method |
| CN109728324A (en) * | 2017-10-31 | 2019-05-07 | 上海申龙客车有限公司 | A kind of integral new-energy passenger fuel cell system with cooling water quality control |
| CN112825361A (en) * | 2019-11-21 | 2021-05-21 | 上海德威明兴新能源科技有限公司 | Water/heat balance method for fuel cell |
| CN112909295A (en) * | 2021-01-22 | 2021-06-04 | 北京理工大学 | Fuel cell stack cooling system applying spray cooling |
| CN113285090A (en) * | 2021-04-08 | 2021-08-20 | 东风汽车集团股份有限公司 | Fuel cell thermal management system and control method thereof |
| CN113299956A (en) * | 2021-04-28 | 2021-08-24 | 一汽解放汽车有限公司 | Fuel cell engine test system |
| CN113437328A (en) * | 2021-05-25 | 2021-09-24 | 中国舰船研究设计中心 | Latent multi-module fuel cell thermal management system |
| CN113437328B (en) * | 2021-05-25 | 2023-03-14 | 中国舰船研究设计中心 | Latent multi-module fuel cell thermal management system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |