CN114678563B - Portable air-cooled fuel cell system - Google Patents
Portable air-cooled fuel cell system Download PDFInfo
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- CN114678563B CN114678563B CN202210285020.2A CN202210285020A CN114678563B CN 114678563 B CN114678563 B CN 114678563B CN 202210285020 A CN202210285020 A CN 202210285020A CN 114678563 B CN114678563 B CN 114678563B
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- 239000000446 fuel Substances 0.000 title claims abstract description 40
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 230000017525 heat dissipation Effects 0.000 claims abstract description 8
- 230000008054 signal transmission Effects 0.000 claims abstract description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000001257 hydrogen Substances 0.000 claims abstract description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 6
- 230000010354 integration Effects 0.000 claims abstract description 5
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 8
- 239000006185 dispersion Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- 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
- H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a portable air-cooled fuel cell system, which comprises a base and a shell which are in plug-in fit, wherein an air-cooled electric pile, a hydrogen subsystem, a heat dissipation subsystem and an electric integration module are arranged in the shell, the base is provided with a power output interface and a detection signal transmission interface for externally connecting electric equipment, a plug-in male connector and a plug-in female connector which are in plug-in fit are respectively arranged between the base and the shell, and a power connecting wire and a signal connecting wire which are respectively conducted in plug-in fit are integrated between the plug-in male connector and the plug-in female connector. The power connection wire which is adaptive to 48V DC and is resistant to voltage of 0-30A is adopted, and the power connection wire and the signal connection wire which are respectively conducted during plug-in matching are integrated between the plug-in male connector and the plug-in female connector, so that complex wiring connection is not needed as in a conventional fuel cell system.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to a portable air-cooled fuel cell system.
Background
Air-cooled fuel cells are open-air systems and are subject to significant environmental impact, resulting in increased maintenance and replacement frequency. The original air-cooled fuel cell system is complicated in wiring, is bulky in design and is inconvenient in the use process.
For application scenes of small-sized air-cooled fuel cell systems below 5kW, such as a base station standby power supply, a low-speed two-wheel vehicle, a portable power supply and the like, the scenes need more convenient application experience, and convenient maintenance and quick replacement are needed.
For example, the present invention provides a saddle-ride type vehicle having an air-cooled fuel cell unit mounted on a vehicle body frame at the rear of a riser and in front of a pivot frame, wherein the fuel cell unit has an inlet for external air opened forward below the riser and an outlet opened rearward above the pivot, and the seat frame is mounted on a main frame and has a shell structure having a shape of an exhaust pipe for guiding exhaust gas discharged from the fuel cell unit to the rear of a passenger seat.
On the other hand, when the cathode open air-cooled fuel cell system dissipates heat by using the fan, the air flow flowing to different areas through the fan is unevenly distributed, so that the inside of the battery assembly is easy to be locally overheated, and the performance of the cathode open air-cooled fuel cell system is greatly reduced after the cathode open air-cooled fuel cell system is operated for a period of time, and the normal use of the cathode open air-cooled fuel cell system is affected.
For example, the invention application publication number CN111477915a discloses a cathode open air-cooled fuel cell system, which includes a cell assembly, a fan assembly and a spoiler, wherein the fan assembly is spaced from the cell assembly, and the fan assembly is used for sucking air flow to the cell assembly so as to make the air flow exchange heat with the cell assembly; the turbulence piece is arranged between the battery assembly and the fan assembly and is used for turbulence of air flow sucked by the fan assembly and flowing to the battery assembly so as to enhance the uniformity of distribution of the air flow flowing to different areas of the battery assembly. However, the spoiler disclosed in the above prior art has room for improvement.
In combination with the above two, it is necessary to develop an air-cooled fuel cell system that can improve the distribution of air current layers and can be maintained quickly.
Disclosure of Invention
The present invention addresses the above-identified deficiencies in the art by providing a portable air-cooled fuel cell system.
The portable air-cooled fuel cell system comprises an air-cooled electric pile, a hydrogen subsystem, a heat dissipation subsystem and an electric integrated module, wherein the portable air-cooled fuel cell system comprises a base and a shell which are in plug-in fit, the air-cooled electric pile, the hydrogen subsystem, the heat dissipation subsystem and the electric integrated module are all arranged in the shell, the base is provided with a power output interface and a detection signal transmission interface for externally connecting electric equipment,
a plug male connector and a plug female connector which are in plug fit are respectively arranged between the base and the shell, a power supply connecting wire and a signal connecting wire which are respectively conducted during plug fit are integrated between the plug male connector and the plug female connector,
the power supply connecting wire positioned in the base is connected with the plug male connector and the power supply output interface, and the signal connecting wire is connected with the plug male connector and the detection signal transmission interface; the power connection wire and the signal connection wire which are positioned in the shell are respectively connected with the plug female connector and the electric integrated module.
Preferably, one end of the shell, provided with the plug female connector, is taken as the bottom, the opposite sides of the air-cooled electric pile are respectively provided with an air inlet and an air outlet, the air inlet and the air outlet face the side walls of the two sides of the shell respectively, and the side walls of the shell are correspondingly provided with an air inlet and an air outlet respectively;
the heat radiation subsystem comprises a spoiler arranged on one side of an air inlet of the air-cooled electric pile and a fan arranged on one side of an air outlet of the air-cooled electric pile.
More preferably, the air inlet and the air outlet are respectively provided with a dustproof baffle plate. The dust barrier is used to reduce dust from entering the housing.
More preferably, the top surface of the shell is also provided with a handle which is convenient to operate.
More preferably, the outer shape of the outer shell is cylindrical or square. The shape of the shell can be selected and optimized according to the use scene, for example, a cylindrical shell can be adopted when the shell is applied to a bicycle; the portable power source is applied to a communication base station or a personal portable power source, and can adopt a square shell, so that the portable power source is convenient to horizontally place, transport and install.
More preferably, the spoiler comprises a central power hole, a middle flow distribution ring hole and an outer layer spoiler ring hole which are concentrically distributed from the center to the periphery, wherein the middle flow distribution ring hole and the outer layer spoiler ring hole are internally provided with a middle flow distribution plate and an outer layer spoiler which are radially arranged from the center to the periphery respectively. The resistance at the central power hole is small, and after the central air flow enters, the central air flow is influenced by the reduction of external pressure and is diffused and disturbed to the periphery, so that the air flow dispersing effect is achieved. The middle part of the split ring hole is particularly provided with a convex structure for turbulent flow. The outer layer vortex ring hole is simple to set, the aperture is smaller, the airflow resistance is larger, the airflow is further forced to diffuse to the area with smaller central resistance, the vortex is further carried out, and the effect is improved.
Further preferably, the number of the partial flow distribution sheets and the outer layer flow distribution sheets is 8-12 and 16-24 which are uniformly distributed respectively. The number of the partial flow dividing sheets and the outer layer spoiler cannot be too large, so that the space through which air flows can be reduced too large, and certainly, the effect of too small spoiler is poor. The calculated number of the partial flow distribution sheets is 8-12, and the number of the outer layer flow distribution sheets is about 2 times more than that of the partial flow distribution sheets.
Further preferably, the partial flow splitter and the outer layer spoiler are obliquely arranged in the axial direction of the spoiler, and the oblique directions of the partial flow splitter and the outer layer spoiler are opposite; the middle part flow splitter and the outer layer spoiler are also obliquely arranged in the circumferential direction of the spoiler, and the oblique directions of the middle part flow splitter and the outer layer spoiler are opposite.
Further preferably, the inclination angle of the partial flow splitter and the outer layer spoiler in the axial direction of the spoiler is 20-40 degrees, and the inclination angle in the circumferential direction is 20-40 degrees. The ratio of the radius of the central power hole to the ring width of the middle flow distribution ring hole to the ring width of the outer layer flow distribution ring hole is 1:1-3:2-4.
Further preferably, the two sides of the middle flow splitter and the outer layer spoiler are both convexly provided with spoiler protrusions which are arranged at intervals. The shape of the turbulence bulge is conical, hemispherical, semi-ellipsoidal or cylindrical. Through all protruding vortex protruding that is equipped with interval arrangement in the two sides of partial flow splitter plate and outer spoiler, further distribute the vortex to the air current, improve the vortex effect.
Further preferably, a circle of dispersing holes which are uniformly distributed and used for dispersing the middle air are arranged on the connecting part between the central power hole and the middle split ring hole. The air flow near the center is influenced by the peripheral convergent air flow, so that the dispersing holes are arranged to be beneficial to dispersing the middle air. The periphery of the outer layer turbulent flow ring hole is also provided with a circle of gathering holes which are uniformly distributed and used for gathering peripheral air flow. The outer Zhou Youyu has no air flow, and the air flow mainly goes towards the center direction, so that the gathering holes are arranged to be beneficial to gathering peripheral air flow. The spoiler is square, and the four corners are also provided with mounting holes. The mounting holes are used for fixedly mounting the spoiler at corresponding positions, such as at the air inlet side of the electric pile.
The caliber of one side of the air outlet of the electric pile is gradually reduced to form a wind collecting cover, after the air flow axially enters the fan impeller, the air flows along the axial direction in the flow channel of the rotating impeller, when the impeller rotates, the air axially enters the impeller from the air inlet, the air is pushed by the blades on the impeller to raise the energy of the air, and then the air is guided into the wind collecting cover to further convert the kinetic energy of the air into pressure energy.
According to the portable air-cooled fuel cell system, the plug male connector and the plug female connector which are in plug fit are respectively arranged between the base and the shell, so that rapid plug can be realized, and the installation and the disassembly are very convenient. The power connection wire which is adaptive to 48V DC and is resistant to voltage of 0-30A is adopted, and the power connection wire and the signal connection wire which are respectively conducted during plug-in matching are integrated between the plug-in male connector and the plug-in female connector, so that complex wiring connection is not needed as in a conventional fuel cell system.
The invention is suitable for the application fields of small-sized air-cooled fuel cell systems with the power below 5kW, such as a standby power supply of a base station, a low-speed two-wheel vehicle, a portable power supply and the like. The fast splicing advantages of the invention can be used for convenient maintenance and fast replacement, and the efficiency is greatly improved. The invention can be combined in a modularized way to increase the output power, for example, a plurality of modules are connected in parallel, and a 1kW 48VDC module is connected in parallel with 3 groups, so that the performance of a 3kW 48V DC system can be formed.
Drawings
Fig. 1 is a schematic perspective view of a portable air-cooled fuel cell system according to the present invention in a non-plugging state.
Fig. 2 is a schematic side view of the portable air-cooled fuel cell system of the present invention in a non-plugged configuration.
Fig. 3 is a cross-sectional view taken along A-A in fig. 2.
Fig. 4 is a schematic side view of the internal structure of the housing.
Fig. 5 is a schematic perspective view of the internal structure of the housing.
Fig. 6 is a schematic side view of another view of the internal structure of the housing.
Fig. 7 is a schematic perspective view of the structure at the air-cooled stack.
Fig. 8 is a schematic perspective view of another view of the structure at the air-cooled stack.
Fig. 9 is a schematic side view of a spoiler.
Fig. 10 is a schematic perspective view of a spoiler.
Reference numerals: the device comprises a base 1, a shell 2, an air-cooled pile 3, a fan 4, a dustproof baffle 5, an electric integrated module 6, a plug male connector 7, a plug female connector 8, an air inlet 9 and an air outlet 10;
spoiler 11, center power hole 111, middle split ring hole 112, outer layer spoiler ring hole 113, middle split plate 114, outer layer spoiler 115, spoiler protrusion 116, dispersion hole 117, gathering hole 118, mounting hole 119;
a handle 12.
Detailed Description
As shown in fig. 1 to 8, a portable air-cooled fuel cell system includes a socket 1 and a housing 2, where the socket 1 is provided with a power output interface and a detection signal transmission interface for external electric equipment (the power output interface and the detection signal transmission interface are conventional technologies and are not shown in the drawings), a socket male connector 7 and a socket female connector 8, which are in socket fit, are respectively provided between the socket 1 and the housing 2, and a power connection line and a signal connection line, which are respectively conducted when in socket fit, are integrated between the socket male connector 7 and the socket female connector 8. The configuration shown in the figures is in the state of a non-plug-in fit. Inside the housing 2 are arranged an air cooled stack 3, a hydrogen subsystem (of conventional construction, not shown), a heat dissipation subsystem and an electrical integration module 6. The power supply connecting wire positioned in the base 1 is connected with the plug male head 7 and the power supply output interface, and the signal connecting wire is connected with the plug male head 7 and the detection signal transmission interface; the power supply connection lines and the signal connection lines located in the housing 2 are respectively connected with the plug female connector 8 and the electrical integration module 6.
Taking one end of the shell 2 provided with the plug-in female connector 8 as the bottom, respectively arranging an air inlet and an air outlet at two opposite sides of the air-cooled electric pile 3, respectively facing the side walls of the two sides of the shell 2, and respectively correspondingly arranging an air inlet 9 and an air outlet 10 on the side walls of the shell 2; the air inlet 9 and the air outlet 10 are respectively provided with a dustproof baffle plate 5. The dust barrier 5 serves to reduce dust entering the housing 2. The heat radiation subsystem includes a spoiler 11 provided at the air inlet side of the air-cooled stack 3 and a fan 4 provided at the air outlet side of the air-cooled stack 3.
The top surface of the housing 2 is also provided with a handle which is convenient to operate. The outer shape of the housing 2 is cylindrical or square. The shape of the housing 2 may be selected and optimized according to the scene of use, for example, a cylindrical housing may be employed when applied to a bicycle; the portable power source is applied to a communication base station or a personal portable power source, and can adopt a square shell, so that the portable power source is convenient to horizontally place, transport and install.
As shown in fig. 7 and 8, the aperture of the air outlet side of the air-cooled pile 3 is gradually reduced to form a wind collecting cover, after the air flow axially enters the fan impeller, the air flows along the axial direction in the flow channel of the rotating impeller, when the impeller rotates, the air axially enters the impeller from the air inlet, the air is pushed by the blades on the impeller to raise the energy of the air, and then the air is guided into the wind collecting cover, so that the kinetic energy of the air is further converted into pressure energy.
As shown in fig. 9 and 10, a spoiler for an air-cooled fuel cell system is used in an air-cooled fuel cell system, and can be installed on the air inlet side of a pile to spoiler the air entering the pile, so that the air flow distribution of the pile is more uniform, and the heat dissipation effect and the uniformity of the pile temperature are improved.
The spoiler 11 includes a central power hole 111, a middle split ring hole 112 and an outer spoiler ring hole 113 concentrically distributed from the center to the outer periphery, and a middle split plate 114 and an outer spoiler 115 radially arranged from the center to the outer periphery are respectively provided in the middle split ring hole 112 and the outer spoiler ring hole 113. In the thickness direction (i.e., the axial direction) of the spoiler 11, each of the middle portion spoiler 114 and the outer layer spoiler 115 extends from one side to the other side of the spoiler 11, and the middle portion spoiler 114 also performs the function of connecting the structures on both sides of the middle portion spoiler annular hole 112, and the outer layer spoiler 115 also performs the function of connecting the structures on both sides of the outer layer spoiler annular hole 113.
The two sides of the middle flow dividing sheet 114 and the outer layer spoiler 115 are respectively provided with spoiler protrusions 116 which are arranged at intervals. The shape of the spoiler protrusions 116 may be conical, hemispherical, semi-ellipsoidal or cylindrical, although other shapes are possible. The spoiler protrusions 116 may be arranged at regular intervals in rows and columns on the surface of the middle spoiler 114 or the outer spoiler 115. Through protruding the vortex protruding 116 that is equipped with the interval arrangement at the both sides of partial splitter plate 114 and outer spoiler 115, further distribute the vortex to the air current, improve the vortex effect.
The number of the middle flow dividing sheets 114 and the outer layer flow spoilers 115 is 8-12 and 16-24 which are uniformly distributed respectively. The number of the partial flow dividing sheets 114 and the outer layer spoiler 115 cannot be too large, so that the space through which the air flows becomes small too large, and certainly cannot be too small, and the effect of too small spoiler is poor. The calculated number of the partial flow distribution sheets is 8-12, and the number of the outer layer flow distribution sheets is about 2 times more than that of the partial flow distribution sheets.
The middle flow splitter 114 and the outer layer spoiler 115 are obliquely arranged in the axial direction of the spoiler 11, and the oblique directions of the middle flow splitter 114 and the outer layer spoiler 115 are opposite; meanwhile, the partial flow splitter 114 and the outer layer spoiler 115 are also disposed obliquely in the circumferential direction of the spoiler 11, and the oblique directions of the partial flow splitter 114 and the outer layer spoiler 115 are opposite. Preferably, the inclination angle of the middle flow splitter 114 and the outer layer spoiler 115 in the axial direction of the spoiler 11 is 20 ° to 40 °, and the inclination angle in the circumferential direction is 20 ° to 40 °. The ratio of the radius of the central power hole 111, the annular width of the middle split annular hole 112 and the annular width of the outer turbulent annular hole 113 is 1:1-3:2-4.
In a preferred embodiment, a circle of uniformly distributed dispersion holes 117 for dispersing the intermediate air are provided at the connection portion between the central power hole 111 and the intermediate split ring hole 112. The provision of the dispersion holes 117 facilitates dispersion of the intermediate air, as the air flow near the center is affected by the peripheral converging air flow.
In a preferred embodiment, the outer periphery of the outer spoiler ring hole 113 is further provided with a ring of gathering holes 118 uniformly distributed for gathering the peripheral air flow. The outer Zhou Youyu has no air flow and the air flow will mainly go in the center direction, so the gathering holes 118 are provided to facilitate gathering the peripheral air flow.
The spoiler 11 is square, and four corners are also provided with mounting holes 119. The mounting holes 119 are used to fixedly mount the spoiler at a corresponding position, for example, at the air intake side of the stack.
According to the research of simulation experiments, under the condition that the spoiler is not used, different positions inside the air-cooled galvanic pile are obviously different under the conditions of different air temperatures of 5 ℃, 10 ℃, 15 ℃, 20 ℃, 25 ℃, 30 ℃ and 35 ℃ and the relative humidity of 70%, wherein the higher the temperature is, the better the cooling effect is, and the temperature difference is 3.1 ℃ at 35 ℃. Test fitting shows that if the spoiler test is not added, the pile simulation has 0.067mV/h drop, and after the spoiler is added, the pile temperature is uniform and heat dissipation is timely, the fit estimated voltage drop can be reduced to 0.064mV/h, and compared with the original predicted service life, the fit estimated voltage drop is improved by 4%.
According to the portable air-cooled fuel cell system, the plug male connector 7 and the plug female connector 8 which are in plug fit are respectively arranged between the base 1 and the shell 2, so that rapid plug can be realized, and the installation and the disassembly are very convenient. The power connection wire which is adaptive to 48V DC and is resistant to voltage of 0-30A is adopted, and the power connection wire and the signal connection wire which are respectively conducted during plug-in matching are integrated between the plug-in male connector and the plug-in female connector, so that complex wiring connection is not needed as in a conventional fuel cell system.
The invention is suitable for the application fields of small-sized air-cooled fuel cell systems with the power below 5kW, such as a standby power supply of a base station, a low-speed two-wheel vehicle, a portable power supply and the like. The fast splicing advantages of the invention can be used for convenient maintenance and fast replacement, and the efficiency is greatly improved. The invention can be combined in a modularized way to increase the output power, for example, a plurality of modules are connected in parallel, and a 1kW 48VDC module is connected in parallel with 3 groups, so that the performance of a 3kW 48V DC system can be formed.
Claims (7)
1. The portable air-cooled fuel cell system comprises an air-cooled electric pile, a hydrogen subsystem, a heat dissipation subsystem and an electric integration module, and is characterized in that the portable air-cooled fuel cell system comprises a base and a shell which are in plug-in fit, the air-cooled electric pile, the hydrogen subsystem, the heat dissipation subsystem and the electric integration module are all arranged in the shell, the base is provided with a power output interface and a detection signal transmission interface for externally connecting electric equipment,
a plug male connector and a plug female connector which are in plug fit are respectively arranged between the base and the shell, a power supply connecting wire and a signal connecting wire which are respectively conducted during plug fit are integrated between the plug male connector and the plug female connector,
the power supply connecting wire positioned in the base is connected with the plug male connector and the power supply output interface, and the signal connecting wire is connected with the plug male connector and the detection signal transmission interface; the power connection wire and the signal connection wire which are positioned in the shell are respectively connected with the plug female connector and the electric integrated module,
one end of the shell provided with the plug female connector is used as the bottom, the opposite sides of the air-cooled electric pile are respectively provided with an air inlet and an air outlet, the air inlet and the air outlet face the side walls of the two sides of the shell respectively, and the side walls of the shell are respectively provided with an air inlet and an air outlet correspondingly;
the heat radiation subsystem comprises a spoiler arranged at one side of an air inlet of the air-cooled electric pile and a fan arranged at one side of an air outlet of the air-cooled electric pile,
the spoiler comprises a central power hole, a middle flow distribution ring hole and an outer layer spoiler ring hole which are concentrically distributed from the center to the periphery, wherein the middle flow distribution ring hole and the outer layer spoiler ring hole are respectively internally provided with a middle flow distribution plate and an outer layer spoiler which are radially arranged from the center to the periphery,
the two sides of the partial flow distribution sheet and the outer layer spoiler are convexly provided with spoiler bulges which are arranged at intervals;
a circle of dispersing holes which are uniformly distributed and used for dispersing middle air are arranged on the connecting part between the central power hole and the middle split ring hole; the periphery of the outer layer turbulent flow ring hole is also provided with a circle of gathering holes which are uniformly distributed and used for gathering peripheral air flow.
2. The portable air-cooled fuel cell system of claim 1, wherein the air inlet and the air outlet are each provided with a dust-proof baffle.
3. The portable air-cooled fuel cell system of claim 1, wherein the top surface of the housing is further provided with a handle for ease of handling.
4. The portable air-cooled fuel cell system of claim 1, wherein the housing has a cylindrical or square shape.
5. The portable air-cooled fuel cell system of claim 1, wherein the number of the partial flow fins and the outer layer flow fins is between 8 and 12 and between 16 and 24, respectively, that are uniformly distributed.
6. The portable air-cooled fuel cell system of claim 1, wherein the partial flow splitter and the outer layer spoiler are disposed obliquely in an axial direction of the spoiler, and the oblique directions of the partial flow splitter and the outer layer spoiler are opposite; the middle part flow splitter and the outer layer spoiler are also obliquely arranged in the circumferential direction of the spoiler, and the oblique directions of the middle part flow splitter and the outer layer spoiler are opposite.
7. The portable air-cooled fuel cell system of claim 6, wherein the partial flow fins and the outer layer spoilers are inclined at an angle of 20 ° to 40 ° in the axial direction of the spoiler and at an angle of 20 ° to 40 ° in the circumferential direction; the ratio of the radius of the central power hole to the ring width of the middle flow distribution ring hole to the ring width of the outer layer flow distribution ring hole is 1:1-3:2-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210285020.2A CN114678563B (en) | 2022-03-22 | 2022-03-22 | Portable air-cooled fuel cell system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210285020.2A CN114678563B (en) | 2022-03-22 | 2022-03-22 | Portable air-cooled fuel cell system |
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| CN114678563A CN114678563A (en) | 2022-06-28 |
| CN114678563B true CN114678563B (en) | 2023-11-24 |
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|---|---|---|---|---|
| WO2017185768A1 (en) * | 2016-04-29 | 2017-11-02 | 北京车和家信息技术有限责任公司 | Battery system control and charging method, battery system and electric vehicle |
| CN207225106U (en) * | 2017-05-12 | 2018-04-13 | 上海铭寰新能源科技有限公司 | A kind of emergency power system based on detachable fuel cell |
| CN209000550U (en) * | 2018-12-12 | 2019-06-18 | 上海联影医疗科技有限公司 | A kind of cooling system |
| CN110212226A (en) * | 2019-06-18 | 2019-09-06 | 华南理工大学 | A kind of portable spherical direct methanol fuel cell |
| CN111477915A (en) * | 2020-04-28 | 2020-07-31 | 深圳市南科燃料电池有限公司 | Cathode open type air-cooled fuel cell system |
| CN111659320A (en) * | 2020-06-15 | 2020-09-15 | 中国石油化工股份有限公司 | Hydrogen cooling box for hydrogenation reactor |
| CN112786940A (en) * | 2021-01-25 | 2021-05-11 | 上海电气集团股份有限公司 | Air cooling fuel cell power generation device |
| CN214705984U (en) * | 2021-04-14 | 2021-11-12 | 雄川氢能科技(广州)有限责任公司 | Air-cooled fuel cell unit |
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| Publication number | Publication date |
|---|---|
| CN114678563A (en) | 2022-06-28 |
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