CN114447368B - Portable hydrogen fuel cell pile radiator - Google Patents
Portable hydrogen fuel cell pile radiator Download PDFInfo
- Publication number
- CN114447368B CN114447368B CN202210111921.XA CN202210111921A CN114447368B CN 114447368 B CN114447368 B CN 114447368B CN 202210111921 A CN202210111921 A CN 202210111921A CN 114447368 B CN114447368 B CN 114447368B
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- Prior art keywords
- air
- installation cavity
- air duct
- wind
- cell stack
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 239000000446 fuel Substances 0.000 title claims abstract description 18
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 18
- 239000001257 hydrogen Substances 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 70
- 238000004806 packaging method and process Methods 0.000 claims abstract description 12
- 238000005192 partition Methods 0.000 claims abstract description 4
- 238000007664 blowing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 8
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction 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
-
- 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
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0432—Temperature; Ambient temperature
-
- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
- H01M8/247—Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
- H01M8/2475—Enclosures, casings or containers of fuel cell stacks
-
- 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)
- 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)
- Combustion & Propulsion (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a portable hydrogen fuel cell stack radiator. The battery cell stack comprises a cell stack packaging box, wherein the inside of the cell stack packaging box is divided into a first mounting cavity and a second mounting cavity through a partition board, a battery cell stack is mounted in the first mounting cavity, a first air hole communicated with the first mounting cavity and the second mounting cavity is formed in the partition board, and an air duct adjusting device is arranged in the second mounting cavity; the side wall of the first installation cavity is provided with an exhaust device, and the air duct adjusting device can drive the exhaust device to adjust the size of the exhaust outlet while sliding in the second installation cavity. According to the invention, by arranging the air duct adjusting device, when the wind power of the fan is small, the cross-sectional area of the air duct can be reduced, the wind speed can be increased, hot air can be rapidly discharged, and when the wind power of the fan is increased, the cross-sectional area of the air duct can be increased, so that a large amount of wind can pass through. The invention has good heat dissipation effect, and is environment-friendly and energy-saving.
Description
Technical Field
The invention relates to the technical field of hydrogen fuel cells, in particular to a portable hydrogen fuel cell stack radiator.
Background
The hydrogen fuel cell stack has larger influence on the output voltage and the service life of the hydrogen fuel cell stack when the ambient temperature is increased, and the problems of electrolyte evaporation, catalyst crystallization and the like can be caused when the ambient temperature is too high, so that in order to improve the working temperature environment of the hydrogen fuel cell stack, the patent application document with the name of CN207705318U, namely a packaging structure for improving ventilation of a fuel cell stack module, mentions a ventilation baffle plate assembly, and can effectively control the possibility that ventilation air flow forms vortex at the top of the stack, thereby effectively preventing the possibility that hydrogen leaked from the stack is concentrated at the partial position of the top, effectively controlling the flow path of the ventilation air, and avoiding the possibility of ventilation short circuit. However, this structure still has some drawbacks:
1. the opening size of the air duct cannot be adjusted in time according to the heat dissipation requirement of the electric pile;
2. when the power of the fan is increased, the area of the air outlet on the surface of the packaging Pack cannot be increased, so that heat in the installation shell cannot be discharged in time, and the heat dissipation effect is affected.
Disclosure of Invention
The invention aims to provide a portable hydrogen fuel cell stack radiator, which can adjust the sizes of an air duct and an air outlet in time according to the heat dissipation requirement.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a portable hydrogen fuel cell electric pile radiator, includes electric pile packaging box, electric pile packaging box inside is divided into first installation cavity and second installation cavity through the baffle, and the battery electric pile is installed in first installation cavity, is fixed with the temperature sensor that is used for detecting temperature on the lateral wall of first installation cavity, set up the first wind hole that communicates first installation cavity and second installation cavity on the baffle, be provided with air duct adjusting device in the second installation cavity, set up the first connecting hole that is used for connecting the fan blowing end on the lateral wall of second installation cavity, when fan power increases wind-force reinforcing, the wind energy that gets into from first connecting hole can promote air duct adjusting device and slide in the second installation cavity, makes the wind channel cross-section in the second installation cavity increase;
the side wall of the first installation cavity is provided with an exhaust device, and the air duct adjusting device can drive the exhaust device to adjust the size of the exhaust outlet while sliding in the second installation cavity.
Preferably, the air duct adjusting device comprises a sliding shell, the sliding shell is formed by processing a rectangular cube, the size of the cross section of the rectangular cube is equal to that of the cross section of the second mounting cavity, the sliding shell is arranged in the second mounting cavity in a sliding mode, and the sliding shell comprises a top plate, a bottom plate, supporting plates on two sides and a first baffle on the rear side, wherein the top plate, the bottom plate and the supporting plates are integrally connected.
Preferably, the air duct adjusting device further comprises a push plate, the size of the section of the inner cavity of the push plate is equal to that of the section of the inner cavity of the sliding shell, the push plate is arranged between the top plate and the bottom plate of the sliding shell in a sliding mode, one end of a connecting rod is hinged to the back of the push plate, the other end of the connecting rod is hinged to the side wall of the second installation cavity, a first torsion spring is clamped at the hinged position of the connecting rod, second baffles are fixed to the two sides of the push plate, the push plate and the inner wall of the second installation cavity, the top plate and the bottom plate enclose a first air duct, the end face of the sliding shell on one side of the first air hole and the inner wall of the second installation cavity enclose a second air duct, and the first air duct is communicated with the second air duct.
Preferably, an infrared distance sensor is connected to the end face of the sliding shell far away from one side of the first air hole and used for measuring the distance between the end face and the inner wall of the second installation cavity on the opposite side, and a second connecting hole used for connecting the air blowing end of the air conditioner is formed in the side wall of the second installation cavity on the opposite side.
Preferably, a plurality of air outlets are arranged on the other three side walls of the first installation cavity, which are not adjacent to the second installation cavity, in a U-shaped linear manner, the air exhaust device comprises air shields, the number of the air shields corresponds to that of the air outlets, the air shields are rotatably arranged at the air outlets, and a second torsion spring is sleeved on a rotating shaft of the air shields, so that the air shields always form an included angle of not more than 15 degrees with the inner side walls of the first installation cavity in a normal state.
Preferably, the exhaust device further comprises an elastic pull rope, one end of the pull rope penetrates through the first wind hole to be fixedly connected with the sliding shell, and the other end of the pull rope is sequentially and fixedly connected with the end part of each wind shield along the U-shaped arrangement route of the wind shield.
Preferably, a plurality of air baffles are fixed on the top wall of the first mounting cavity, and the lower ends of the air baffles are attached to the upper surface of the battery stack.
Preferably, a stop block for limiting the wind shield is fixed in the middle of the lower edge of the air outlet.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, by arranging the air duct adjusting device, when the wind power of the fan is small, the cross-sectional area of the air duct can be reduced, the wind speed can be increased, hot air can be rapidly discharged, and when the wind power of the fan is increased, the cross-sectional area of the air duct can be increased, so that a large amount of wind can pass through;
2. according to the invention, the exhaust device capable of adjusting the size of the exhaust port is arranged, so that the opening of the exhaust port can be reduced when the wind power of the fan is small, external dust can be prevented from entering, and the opening of the exhaust port can be enlarged when the wind power of the fan is large, so that hot air in the packaging box can be timely exhausted;
3. according to the invention, by arranging the air conditioner, the heat dissipation effect can be further supplemented when the cooling effect of the fan is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the lid of the present invention with the lid open;
FIG. 3 is a schematic view of the present invention without a cell stack installed;
FIG. 4 is an enlarged view of A in FIG. 3;
FIG. 5 is a top view of FIG. 3;
FIG. 6 is a schematic view of the sliding housing of the present invention;
FIG. 7 is a schematic view of the other view of FIG. 6;
FIG. 8 is a schematic diagram of an air duct adjusting device according to the present invention;
FIG. 9 is a schematic view of the alternate state of FIG. 8;
in the figure: the electric pile comprises a 1-electric pile packaging box, a 2-first connecting hole, a 3-second connecting hole, a 4-air outlet, a 5-wind shield, a 6-battery electric pile, a 7-baffle plate, an 8-sliding shell, a 801 top plate, a 802-bottom plate, a 803-supporting plate, a 804-first baffle plate, a 9-infrared distance sensor, a 10-wind shield plate, a 11-pull rope, a 12-baffle plate, a 13-first air hole, a 14-connecting rod, a 15-push plate and a 16-second baffle plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 9, the present invention provides a technical solution: the utility model provides a portable hydrogen fuel cell electric pile radiator, includes electric pile packaging box 1, electric pile packaging box 1 is inside to separate into first installation cavity and second installation cavity through baffle 7, and battery electric pile 6 installs in first installation cavity, is fixed with the temperature sensor who is used for detecting temperature on the lateral wall of first installation cavity for the ambient temperature of battery electric pile 6 at the during operation is detected in real time, and feeds back it to the controller, when ambient temperature risees, increases fan power through the controller.
The first air hole 13 communicated with the first installation cavity and the second installation cavity is formed in the partition plate 7, the air channel adjusting device is arranged in the second installation cavity, the first connecting hole 2 used for connecting the air blowing end of the fan is formed in the side wall of the second installation cavity, when the power of the fan is increased, the wind entering from the first connecting hole 2 can push the air channel adjusting device to slide in the second installation cavity when the wind force is increased, and the section of the air channel in the second installation cavity is increased.
Specifically, the air duct adjusting device comprises a sliding shell 8, the sliding shell 8 is formed by processing a rectangular cube, the size of the cross section of the rectangular cube is equal to that of the cross section of the second installation cavity, the sliding shell 8 is slidably arranged in the second installation cavity, and the sliding shell 8 comprises a top plate 801, a bottom plate 802, support plates 803 on two sides and a first baffle 804 on the rear side which are integrally connected. The air duct adjusting device further comprises a push plate 15, the size of the section of the inner cavity of the push plate 15 is equal to that of the section of the inner cavity of the sliding shell 8, the push plate 15 is arranged between a top plate 801 and a bottom plate 802 of the sliding shell 8 in a sliding mode, one end of a connecting rod 14 is hinged to the back of the push plate 15, the other end of the connecting rod 14 is hinged to the side wall of the second mounting cavity, a first torsion spring is clamped at the hinged position of the connecting rod, second baffle plates 16 are fixed to the two sides of the push plate 15, the push plate 15 and the inner wall of the second mounting cavity, the top plate 801 and the bottom plate 802 enclose a first air duct, the end face of the sliding shell 8 on one side of the first air hole 13 and the inner wall of the second mounting cavity enclose a second air duct, and the first air duct is communicated with the second air duct. When the wind force is enhanced, the pressure acting on the surface of the push plate 15 is increased, so that the force of the push plate 15 to the connecting rod 14 is increased, when the force is increased enough to overcome the torsion force of the first torsion spring, the connecting rod 14 can swing, the connecting rod 14 drives the push plate 15 to move rightwards and downwards at the same time, the push plate 15 drives the sliding shell 8 to move rightwards together, and at the moment, the cross section of the first air duct and the cross section of the second air duct are increased.
The side wall of the first installation cavity is provided with an exhaust device, the other three side walls of the first installation cavity, which are not adjacent to the second installation cavity, are provided with a plurality of U-shaped air outlets 4 in linear arrangement, and the air duct adjusting device can drive the exhaust device to adjust the size of the air outlets 4 while sliding in the second installation cavity.
Specifically, the exhaust device comprises wind shields 5, the number of the wind shields 5 corresponds to that of the air outlet 4, the wind shields 5 are rotatably arranged at the air outlet 4, and a second torsion spring is sleeved on a rotating shaft of the wind shields 5, so that the wind shields 5 always form an included angle of not more than 15 degrees with the inner side wall of the first installation cavity in a normal state. A stopper 12 for limiting the wind deflector 5 is fixed in the middle of the lower edge of the air outlet 4. The exhaust device further comprises an elastic pull rope 11, one end of the pull rope 11 penetrates through the first wind hole 13 to be fixedly connected with the sliding shell 8, and the other end of the pull rope is sequentially and fixedly connected with the end parts of the wind shields 5 along the U-shaped arrangement route of the wind shields 5. As shown in fig. 8 and 9, when the sliding shell 8 moves rightwards, the wind shield 5 can be driven to rotate by the pull rope 11, when the wind shield 5 and the inner side wall of the first installation cavity form an included angle of 90 degrees, the wind shield 5 is not rotating due to the action of the stop block 12, the pull rope 11 can be continuously elongated due to elasticity, and the air outlet 4 can reach the maximum opening.
In order to improve the radiating effect, the air conditioner capable of providing cold air is further arranged, and in order to save energy, the air conditioner is started only when the temperature exceeds a preset value, and specifically comprises the following components: an infrared distance sensor 9 is connected to the end face of the sliding shell 8 on the side far away from the first air hole 13, and is used for measuring the distance between the end face and the inner wall of the second installation cavity on the opposite side, and a second connecting hole 3 used for connecting the air blowing end of the air conditioner is formed in the side wall of the second installation cavity on the opposite side. When the working temperature of the battery stack 6 increases, firstly, the fan starts to work to cool down by air cooling, the power of the fan increases along with the increase of the working temperature, so that the pressure acting on the surface of the push plate 15 is larger and larger, the distance of the sliding shell 8 moving rightwards is longer and longer, when the distance value detected by the infrared distance sensor 9 is smaller than or equal to a preset value, the situation that the cooling effect is difficult to improve only by the fan is indicated, at the moment, the controller starts to control the air conditioner to work, cold air is introduced into the second installation cavity, the cold air and the wind of the fan enter the first installation cavity together to cool down and dissipate heat, and the smaller the distance value detected by the infrared distance sensor 9 is, the larger the power of the air conditioner is, so that the cooling effect is improved.
A plurality of air baffles 10 are fixed on the top wall of the first installation cavity, the lower ends of the air baffles 10 are attached to the upper surface of the battery pile 6, so that wind can be uniformly distributed on the surface of the battery pile 6, and the cooling and heat dissipation effects are improved.
Working principle: when the temperature sensor detects that the working temperature of the battery stack 6 is not very high, the power of the fan is low and the wind speed is low, and at the moment, the sections of the first air duct and the second air duct are small, so that the wind speed can be increased, and hot air in the first installation cavity can be discharged quickly;
after the battery pile 6 works for a period of time, the temperature in the first installation cavity is gradually increased, the power of the fan is also gradually increased, the wind power is increased, the pressure acting on the surface of the push plate 15 is increased, the force of the push plate 15 on the connecting rod 14 is increased, when the force is increased enough to overcome the torsion of the first torsion spring, the connecting rod 14 can swing, the connecting rod 14 drives the push plate 15 to move rightwards and downwards at the same time, the push plate 15 drives the sliding shell 8 to move rightwards together, and at the moment, the cross sections of the first air duct and the second air duct are increased, so that a large amount of wind can pass through;
when the sliding shell 8 moves rightwards, the wind shield 5 can be driven to rotate through the pull rope 11, so that the air outlet 4 is gradually increased, a large amount of hot air can be discharged in time, when the wind shield 5 and the inner side wall of the first installation cavity form a 90-degree included angle, the wind shield 5 is not rotating due to the action of the stop block 12, the pull rope 11 can be continuously elongated due to elasticity, and the air outlet 4 can reach the maximum opening.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a portable hydrogen fuel cell pile radiator, includes pile packaging box (1), first installation cavity and second installation cavity are separated into through baffle (7) to pile packaging box (1) inside, and battery pile (6) are installed in first installation cavity, are fixed with the temperature sensor who is used for detecting the temperature on the lateral wall in first installation cavity, its characterized in that: a first air hole (13) communicated with a first installation cavity and a second installation cavity is formed in the partition plate (7), an air channel adjusting device is arranged in the second installation cavity, a first connecting hole (2) used for connecting a blowing end of a fan is formed in the side wall of the second installation cavity, and when the power of the fan is increased and the wind force is enhanced, the air entering from the first connecting hole (2) can push the air channel adjusting device to slide in the second installation cavity, so that the cross section of the air channel in the second installation cavity is increased;
an exhaust device is arranged on the side wall of the first installation cavity, and the air duct adjusting device can drive the exhaust device to adjust the size of an exhaust outlet (4) while sliding in the second installation cavity;
the air duct adjusting device comprises a sliding shell (8), wherein the sliding shell (8) is formed by processing a rectangular cube, the cross section of the rectangular cube is equal to that of a second mounting cavity, the sliding shell (8) is arranged in the second mounting cavity in a sliding manner, and the sliding shell (8) comprises a top plate (801), a bottom plate (802), support plates (803) on two sides and a first baffle plate (804) on the rear side which are integrally connected;
the air duct adjusting device further comprises a push plate (15), the size of the inner cavity section of the push plate (15) is equal to that of the inner cavity section of the sliding shell (8), the push plate (15) is arranged between a top plate (801) and a bottom plate (802) of the sliding shell (8) in a sliding mode, one end of a connecting rod (14) is hinged to the back portion of the push plate (15), the other end of the connecting rod (14) is hinged to the side wall of the second installation cavity, a first torsion spring is clamped at the hinged portion of the connecting rod, second baffle plates (16) are fixed to two sides of the push plate (15), the inner wall of the second installation cavity, the top plate (801) and the bottom plate (802) form a first air duct in a surrounding mode, the end face of the sliding shell (8) located on one side of the first air hole (13) and the inner wall of the second installation cavity form a second air duct in a surrounding mode, and the first air duct is communicated with the second air duct.
2. A portable hydrogen fuel cell stack heat sink according to claim 1, wherein: an infrared distance sensor (9) is connected to the end face of the sliding shell (8) far away from one side of the first air hole (13), the infrared distance sensor is used for measuring the distance between the end face and the inner wall of the second installation cavity on the opposite side, and a second connecting hole (3) used for connecting the air blowing end of the air conditioner is formed in the side wall of the second installation cavity on the opposite side.
3. A portable hydrogen fuel cell stack heat sink according to claim 1, wherein: a plurality of air outlets (4) are formed in the mode that the first installation cavity is not adjacent to the second installation cavity, the air exhaust devices comprise air shields (5), the number of the air shields (5) corresponds to that of the air outlets (4), the air shields (5) are rotatably arranged at the air outlets (4), and a second torsion spring is sleeved on a rotating shaft of the air shields (5), so that the air shields (5) are always in an included angle of not more than 15 degrees with the inner side wall of the first installation cavity in a normal state.
4. A portable hydrogen fuel cell stack heat sink according to claim 3, wherein: the exhaust device further comprises elastic pull ropes (11), one ends of the pull ropes (11) penetrate through the first wind holes (13) and are fixedly connected with the sliding shell (8), and the other ends of the pull ropes are sequentially and fixedly connected with the end parts of the wind shields (5) along the U-shaped arrangement route of the wind shields (5).
5. A portable hydrogen fuel cell stack heat sink according to claim 1, wherein: a plurality of air baffles (10) are fixed on the top wall of the first installation cavity, and the lower ends of the air baffles (10) are attached to the upper surface of the battery stack (6).
6. A portable hydrogen fuel cell stack heat sink according to claim 5 wherein: a stop block (12) for limiting the wind shield (5) is fixed in the middle of the lower edge of the air outlet (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210111921.XA CN114447368B (en) | 2022-01-27 | 2022-01-27 | Portable hydrogen fuel cell pile radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210111921.XA CN114447368B (en) | 2022-01-27 | 2022-01-27 | Portable hydrogen fuel cell pile radiator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114447368A CN114447368A (en) | 2022-05-06 |
| CN114447368B true CN114447368B (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210111921.XA Active CN114447368B (en) | 2022-01-27 | 2022-01-27 | Portable hydrogen fuel cell pile radiator |
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| CN115742557A (en) * | 2022-12-13 | 2023-03-07 | 浦江花芜缺数码科技有限公司 | Digital printing drying equipment and method for cashmere fabric |
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| CN206098550U (en) * | 2016-09-26 | 2017-04-12 | 深圳市科比特航空科技有限公司 | Portable hydrogen cell pile radiator |
| CN207395039U (en) * | 2017-10-27 | 2018-05-22 | 深圳市金力洁净设备安装有限公司 | A kind of air exhaust passage for indoor air purification |
| CN207705318U (en) * | 2017-12-29 | 2018-08-07 | 上海神力科技有限公司 | Encapsulating structure for improving galvanic pile module of fuel cell ventilation |
| KR102120831B1 (en) * | 2018-12-27 | 2020-06-09 | 레드원테크놀러지 주식회사 | System for hydrogen fuel cell |
| CN110186241A (en) * | 2019-06-17 | 2019-08-30 | 海信（山东）冰箱有限公司 | A kind of wind cooling refrigerator |
| CN211924226U (en) * | 2019-10-13 | 2020-11-13 | 吕军林 | Grid window |
| CN211829052U (en) * | 2019-12-31 | 2020-10-30 | 潍柴动力股份有限公司 | Ventilation device for hydrogen fuel cell box |
| CN111446468A (en) * | 2020-03-27 | 2020-07-24 | 浙江氢航科技有限公司 | Air cooling fuel cell high altitude environment adaptability adjusting device |
| CN113022615A (en) * | 2021-02-08 | 2021-06-25 | 中车株洲电力机车有限公司 | Rail transit vehicle and air conditioner air supply uniformity self-adaptive adjusting method and system thereof |
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