CN110718703B - High-temperature protection structure of hydrogen fuel cell - Google Patents
High-temperature protection structure of hydrogen fuel cell Download PDFInfo
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- CN110718703B CN110718703B CN201911095710.6A CN201911095710A CN110718703B CN 110718703 B CN110718703 B CN 110718703B CN 201911095710 A CN201911095710 A CN 201911095710A CN 110718703 B CN110718703 B CN 110718703B
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- water tank
- shell
- heat dissipation
- fuel cell
- hydrogen fuel
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04029—Heat exchange using liquids
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Chemical & Material Sciences (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 high-temperature protection structure of a hydrogen fuel cell, which comprises a shell, wherein heat dissipation windows are respectively arranged on two sides of the outer surface of the front end of the shell, an exhaust hole is formed in the outer surface of the front end of each heat dissipation window, a baffle is movably arranged in the exhaust hole, rotating shafts are fixedly arranged on two sides of the baffle, a coil spring is movably arranged on the outer surface of each rotating shaft, a cell main body is movably arranged in the middle of the inner part of the shell, an exhaust fan is movably arranged at the lower end of the outer surface of the rear end of the shell, a water tank is movably arranged at the rear end of the inner part of the shell, an air guide pipe is movably arranged between the water tank and the exhaust fan, and a heat dissipation fan is movably arranged at the front end of the inner part of the shell corresponding to the position of each heat dissipation window. This hydrogen fuel cell high temperature protective structure, can be quick cool down to battery body, can prevent the inside coolant liquid backward flow of water tank, can prevent simultaneously that external dust from entering into the inside of casing and causing the damage to its internal component.
Description
Technical Field
The invention relates to the field of hydrogen fuel cells, in particular to a high-temperature protection structure of a hydrogen fuel cell.
Background
The hydrogen fuel cell is a power generation device which directly converts chemical energy of hydrogen and oxygen into electric energy, and the basic principle is the reverse reaction of electrolytic water, hydrogen and oxygen are respectively supplied to an anode and a cathode, and after the hydrogen diffuses outwards through the anode and reacts with an electrolyte, electrons are emitted to the cathode through an external load.
However, the existing high-temperature protection structure of the hydrogen fuel cell has certain defects, and 1, airflow ventilation and heat dissipation are mostly adopted, so that the heat dissipation efficiency is low; 2. the cooling liquid in the water tank is easy to flow back; 3. external dust easily enters the interior of the shell through the inlet and the outlet of the airflow and even damages internal elements of the shell.
Therefore, the high-temperature protection structure of the hydrogen fuel cell is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a high-temperature protection structure of a hydrogen fuel cell, which can quickly cool a cell main body, prevent the backflow of cooling liquid in a water tank and prevent external dust from entering the shell to damage internal elements of the shell.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a hydrogen fuel cell high temperature protective structure, includes the casing, the front end surface both sides of casing all are equipped with the heat dissipation window, and the front end surface of heat dissipation window has seted up the air exit hole, the inside movable mounting in air exit hole has the baffle, and the equal fixed mounting in both sides of baffle has the pivot, the surface movable mounting of pivot has the coil spring, the inside intermediate position movable mounting of casing has the battery body, the rear end surface lower extreme position movable mounting of casing has the suction fan, the inside rear end movable mounting of casing has the water tank, and movable mounting has the guide duct between water tank and the suction fan, the position movable mounting that the inside front end of casing corresponds the heat dissipation window has the heat dissipation fan, the surface of battery body is provided with the cooling tube.
Preferably, the cooling pipe is communicated with the water tank, and cooling liquid is arranged in the water tank.
Preferably, the rotating shaft penetrates through the insides of two sides of the air exhaust hole.
Preferably, the lower end position of the inner surface of the rear end of the water tank is provided with a drainage port, the two sides of the drainage port are provided with grooves, a sealing rod is movably arranged inside the drainage port, the outer surface of the sealing rod is wrapped with a sealing element, the two sides of the sealing rod are fixedly provided with end heads, and a spring is movably arranged between the end heads and the grooves.
Preferably, the end head is connected with the groove in a clamping mode.
Preferably, the air guide pipe is Z-shaped.
Preferably, the rotation angle of the baffle is 0 to 90 °.
Preferably, the suction fan and the heat dissipation fan are electrically connected with an external power supply.
(III) advantageous effects
The invention provides a high-temperature protection structure of a hydrogen fuel cell, which has the following beneficial effects:
(1) This hydrogen fuel cell high temperature protective structure, the induced-draft fan passes through the guide duct with external air current and introduces the cooling in the water tank, then after the cooling tube cools down to the battery main part, discharges the air current by the cooling fan, compares traditional air current ventilation cooling, has improved the radiating efficiency, and external air current is dissolved through the cooling water simultaneously for impurity such as dust in getting into the water tank along with the air current is dissolved in the aquatic, avoids impurity such as dust to cause the damage to the battery main part.
(2) This hydrogen fuel cell high temperature protection structure, when the heat dissipation fan was with the air current discharge casing, the air current promoted the baffle rotatory, thereby the baffle is opened the hole of airing exhaust to 90 rotations by 0, the air current is discharged through the hole of airing exhaust, the coil spring takes place deformation this moment, when the stop work of heat dissipation fan, the coil spring resets the pulling baffle and carries out the closure to the hole of airing exhaust, thereby it causes the damage to its internal element to avoid impurity such as external dust to enter into the inside of casing through the hole of airing exhaust.
(3) This hydrogen fuel cell high temperature protective structure, when the induced-draft fan introduces external air current into the water tank through the guide duct, the air current promotes sealing rod and removes to the water tank is inside, make the drainage mouth opened, thereby the air current gets into in the water tank and is cooled off by the coolant liquid, sealing rod utilizes end pulling spring to make it take place deformation this moment, refrigerated air current is after the cooling tube cools down the battery body, discharge the air current by the heat dissipation fan, after the induced-draft fan stop work, the spring resets and draws back sealing rod in the drainage mouth and close the drainage mouth, avoid the coolant liquid backward flow, fix in the recess is gone into to the end card simultaneously.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a view of the combination of the suction fan and the housing of the present invention;
FIG. 4 is a schematic view of the exhaust hole structure of the present invention;
FIG. 5 is a view of the present invention showing the combination of the water tank and the air duct;
FIG. 6 is a view of the present invention shown in association with a drainage port;
fig. 7 is a schematic view of the sealing rod structure of the present invention.
In the figure: 1. a housing; 2. a heat dissipation window; 3. an air exhaust hole; 4. a battery main body; 5. a water tank; 6. an air suction fan; 7. an air guide pipe; 8. a cooling tube; 9. a heat dissipation fan; 31. a baffle plate; 32. a rotating shaft; 33. a coil spring; 51. a drainage opening; 52. a groove; 53. a sealing rod; 54. a seal member; 55. a tip; 56. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, the present invention provides a technical solution: a high-temperature protection structure of a hydrogen fuel cell is shown in figures 1 to 4 and comprises a shell 1, wherein heat dissipation windows 2 are arranged on two sides of the outer surface of the front end of the shell 1, an air exhaust hole 3 is formed in the outer surface of the front end of each heat dissipation window 2, a baffle 31 is movably mounted in the air exhaust hole 3, rotating shafts 32 are fixedly mounted on two sides of the baffle 31, a coil spring 33 is movably mounted on the outer surface of each rotating shaft 32, a cell main body 4 is movably mounted in the middle of the inside of the shell 1, an air suction fan 6 is movably mounted at the lower end of the outer surface of the rear end of the shell 1, a water tank 5 is movably mounted at the rear end of the inside of the shell 1, an air guide pipe 7 is movably mounted between the water tank 5 and the air suction fan 6, a heat dissipation fan 9 is movably mounted at the position, corresponding to each heat dissipation window 2, and a cooling pipe 8 is arranged on the outer surface of the cell main body 4;
as shown in fig. 5 to 7, a drainage opening 51 is formed in the lower end of the inner surface of the rear end of the water tank 5, grooves 52 are formed in two sides of the drainage opening 51, a sealing rod 53 is movably mounted inside the drainage opening 51, a sealing element 54 wraps the outer surface of the sealing rod 53, end heads 55 are fixedly mounted on two sides of the sealing rod 53, and a spring 56 is movably mounted between the end heads 55 and the grooves 52.
By adopting the technical scheme, the external air flow is introduced into the water tank 5 by the suction fan 6 through the air guide pipe 7 for cooling, then the air flow is discharged by the heat radiation fan 9 after the battery body 4 is cooled by the cooling pipe 8, compared with the traditional air flow ventilation and heat radiation, the heat radiation efficiency is improved, meanwhile, the external air flow is dissolved by the cooling water, so that impurities such as dust entering the water tank 5 along with the air flow are dissolved in the water, the damage to the battery body 4 caused by the impurities such as dust is avoided, when the heat radiation fan 9 discharges the air flow out of the shell 1, the air flow pushes the baffle plate 31 to rotate, the baffle plate 31 rotates from 0 degree to 90 degrees to open the exhaust hole 3, the air flow is discharged through the exhaust hole 3, at the moment, the coil spring 33 deforms, when the heat radiation fan 9 stops working, the coil spring 33 resets and pulls the baffle plate 31 to close the exhaust hole 3, avoid impurity such as external dust to enter into casing 1's inside through exhaust hole 3 thereby to cause the damage to its internal component, when induced draft fan 6 passes through guide duct 7 with external air current and introduces water tank 5 in, the air current promotes sealing rod 53 to the inside removal of water tank 5, make drainage mouth 51 opened, thereby the air current is cooled off by the coolant liquid in getting into water tank 5, sealing rod 53 utilizes end 55 pulling spring 56 to make it take place deformation this moment, refrigerated air current is after cooling tube 8 is to battery body 4, discharge the air current by radiator fan 9, induced draft fan 6 stops working after, spring 56 resets and draws sealing rod 53 back in the drainage mouth 51 and closes drainage mouth 51, avoid the coolant liquid backward flow, end 55 card is gone into recess 52 and is fixed simultaneously.
Specifically, as shown in fig. 2, the cooling pipe 8 is communicated with the water tank 5, and the inside of the water tank 5 is provided with a cooling liquid.
By adopting the technical scheme, the external air flow is introduced into the water tank 5 by the suction fan 6 through the air guide pipe 7 and is cooled by the cooling liquid, and then the low-temperature air flow enters the cooling pipe 8 to cool the battery main body 4.
Specifically, as shown in fig. 4, the rotating shaft 32 penetrates through the inner portions of the two sides of the air outlet 3.
Through adopting above-mentioned technical scheme, baffle 31 is inside rotatory at the hole of airing exhaust 3 through pivot 32 to open hole of airing exhaust 3, the air current is discharged through hole of airing exhaust 3.
Specifically, as shown in fig. 5, 6 and 7, a drainage opening 51 is formed in the lower end of the inner surface of the rear end of the water tank 5, grooves 52 are formed in two sides of the drainage opening 51, a sealing rod 53 is movably mounted inside the drainage opening 51, a sealing element 54 wraps the outer surface of the sealing rod 53, end heads 55 are fixedly mounted on two sides of the sealing rod 53, and a spring 56 is movably mounted between the end heads 55 and the grooves 52.
Through adopting above-mentioned technical scheme, when the inlet fan 6 passes through during the guide duct 7 introduces water tank 5 with external air current, the air current promotes sealing rod 53 to 5 inside removals of water tank, make drainage mouth 51 opened, thereby the air current is cooled off by the coolant liquid in getting into water tank 5, sealing rod 53 utilizes end 55 pulling spring 56 to make it take place deformation this moment, refrigerated air current is after 8 to battery subject 4 cooling through the cooling tube, discharge the air current by heat dissipation fan 9, behind the stop work of inlet fan 6, spring 56 resets and draws sealing rod 53 back to carry out the closure to drainage mouth 51 in the drainage mouth 51, avoid the coolant liquid backward flow, end 55 card is fixed in going into recess 52 simultaneously.
Specifically, as shown in fig. 6 and 7, the tip 55 is engaged with the groove 52.
By adopting the technical scheme, after the sealing rod 53 seals the drainage port 51, the end 55 is clamped into the groove 52 for fixing.
Specifically, as shown in fig. 2, the air guide duct 7 is zigzag.
By adopting the technical scheme, the air guide pipe 7 is Z-shaped, so that the cooling water in the water tank 5 forms a certain water level difference, and the cooling water is prevented from flowing back.
Specifically, as shown in fig. 4, the rotation angle of the baffle 31 is 0 to 90 °.
Through adopting above-mentioned technical scheme, 9 air currents promote baffle 31 rotatory when blowing of heat dissipation fan, thereby baffle 31 is opened exhaust hole 3 by 0 to 90 rotatory, and the air current is discharged through exhaust hole 3.
Specifically, as shown in fig. 2 and 3, the suction fan 6 and the heat dissipation fan 9 are electrically connected to an external power source.
Through adopting above-mentioned technical scheme, through the induced draft fan 6 with the leading-in water tank 5 in the external air current after the cooling through cooling tube 8 to battery body 4 cooling back, discharge the air current by heat dissipation fan 9.
The working principle is as follows: the suction fan 6 introduces the external air flow into the water tank 5 through the air guide pipe 7 for cooling, then the cooling pipe 8 cools the battery body 4, the air flow is discharged by the heat radiation fan 9, compared with the traditional air flow ventilation and heat radiation, the heat radiation efficiency is improved, meanwhile, the external air flow is dissolved by the cooling water, so that the impurities such as dust entering the water tank 5 along with the air flow are dissolved in the water, the damage of the impurities such as dust to the battery body 4 is avoided, when the heat radiation fan 9 discharges the air flow out of the shell 1, the air flow pushes the baffle plate 31 to rotate, the baffle plate 31 rotates from 0 degree to 90 degrees to open the exhaust hole 3, the air flow is discharged through the exhaust hole 3, the coil spring 33 deforms, when the heat radiation fan 9 stops working, the coil spring 33 resets and pulls the baffle plate 31 to close the exhaust hole 3, avoid impurity such as external dust to enter into casing 1's inside through exhaust hole 3 thereby to cause the damage to its internal component, when induced draft fan 6 passes through guide duct 7 with external air current and introduces water tank 5 in, the air current promotes sealing rod 53 to the inside removal of water tank 5, make drainage mouth 51 opened, thereby the air current is cooled off by the coolant liquid in getting into water tank 5, sealing rod 53 utilizes end 55 pulling spring 56 to make it take place deformation this moment, refrigerated air current is after cooling tube 8 is to battery body 4, discharge the air current by radiator fan 9, induced draft fan 6 stops working after, spring 56 resets and draws sealing rod 53 back in the drainage mouth 51 and closes drainage mouth 51, avoid the coolant liquid backward flow, end 55 card is gone into recess 52 and is fixed simultaneously.
The using method comprises the following steps: when the cooling fan 9 stops working, the coil spring 33 resets to pull the baffle plate 31 to close the exhaust hole 3, so that impurities such as external dust enter the shell 1 through the exhaust hole 3 to damage internal elements, compared with the traditional air flow heat dissipation, the heat dissipation efficiency is improved, meanwhile, the external air flows through the cooling water to dissolve the impurities such as dust and the like into water, the impurities such as the dust and the like are prevented from entering the shell 1 through the exhaust hole 3 to damage the internal elements, and the sealing device is prevented from being blocked into the cooling water outlet 52 and being blocked into the exhaust hole 51, so that the cooling water can be prevented from flowing back into the exhaust hole 51, and the sealing device is prevented from being blocked into the exhaust hole 51 and flowing back into the exhaust hole 55 after the cooling water is returned to the exhaust hole 52.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments 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. A high-temperature protection structure of a hydrogen fuel cell comprises a shell (1), and is characterized in that: the battery pack is characterized in that heat dissipation windows (2) are arranged on two sides of the outer surface of the front end of the shell (1), an air exhaust hole (3) is formed in the outer surface of the front end of the heat dissipation window (2), a baffle (31) is movably mounted in the air exhaust hole (3), rotating shafts (32) are fixedly mounted on two sides of the baffle (31), a coil spring (33) is movably mounted on the outer surface of each rotating shaft (32), a battery main body (4) is movably mounted at the middle position in the shell (1), an air suction fan (6) is movably mounted at the lower end of the outer surface of the rear end of the shell (1), a water tank (5) is movably mounted at the rear end in the shell (1), an air guide pipe (7) is movably mounted between the water tank (5) and the air suction fan (6), the air guide pipe (7) is Z-shaped, a heat dissipation fan (9) is movably mounted at the position, corresponding to the heat dissipation window (2), and a cooling pipe (8) is arranged on the outer surface of the battery main body (4); the cooling pipe (8) is communicated with the water tank (5), and cooling liquid is arranged in the water tank (5).
2. A hydrogen fuel cell high temperature protective structure according to claim 1, characterized in that: the rotating shaft (32) penetrates through the inner parts of two sides of the air exhaust hole (3).
3. A hydrogen fuel cell high temperature protective structure according to claim 2, characterized in that: drainage mouth (51) have been seted up to the rear end internal surface lower extreme position of water tank (5), and the both sides of drainage mouth (51) are seted up fluted (52), the inside movable mounting of drainage mouth (51) has sealing rod (53), the surface parcel of sealing rod (53) has sealing member (54), the equal fixed mounting in both sides of sealing rod (53) has end (55), and movable mounting has spring (56) between end (55) and recess (52).
4. A hydrogen fuel cell high temperature protective structure according to claim 3, characterized in that: the end head (55) is connected with the groove (52) in a clamping manner.
5. A hydrogen fuel cell high temperature protective structure according to claim 1, characterized in that: the rotation angle of the baffle (31) is 0-90 degrees.
6. A hydrogen fuel cell high temperature protective structure according to claim 1, characterized in that: the suction fan (6) and the heat dissipation fan (9) are electrically connected with an external power supply.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911095710.6A CN110718703B (en) | 2019-11-11 | 2019-11-11 | High-temperature protection structure of hydrogen fuel cell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911095710.6A CN110718703B (en) | 2019-11-11 | 2019-11-11 | High-temperature protection structure of hydrogen fuel cell |
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| CN110718703A CN110718703A (en) | 2020-01-21 |
| CN110718703B true CN110718703B (en) | 2022-12-09 |
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| CN118342964A (en) * | 2024-04-08 | 2024-07-16 | 无锡安鑫卓越智能科技有限公司 | New energy automobile heat abstractor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004199980A (en) * | 2002-12-18 | 2004-07-15 | Sanyo Electric Co Ltd | Fuel cell system |
| CN107146905A (en) * | 2017-01-10 | 2017-09-08 | 东莞市中航华讯卫星技术有限公司 | A kind of integrated fuel battery |
| JP2017212084A (en) * | 2016-05-24 | 2017-11-30 | 京セラ株式会社 | Fuel cell device |
| CN109286030A (en) * | 2018-08-31 | 2019-01-29 | 广州巨时信息科技有限公司 | A kind of cooling system of hydrogen fuel cell |
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2019
- 2019-11-11 CN CN201911095710.6A patent/CN110718703B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004199980A (en) * | 2002-12-18 | 2004-07-15 | Sanyo Electric Co Ltd | Fuel cell system |
| JP2017212084A (en) * | 2016-05-24 | 2017-11-30 | 京セラ株式会社 | Fuel cell device |
| CN107146905A (en) * | 2017-01-10 | 2017-09-08 | 东莞市中航华讯卫星技术有限公司 | A kind of integrated fuel battery |
| CN109286030A (en) * | 2018-08-31 | 2019-01-29 | 广州巨时信息科技有限公司 | A kind of cooling system of hydrogen fuel cell |
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Effective date of registration: 20221118 Address after: Room 1B-01, Self prepared by the Industry Recruitment Center of Zhong'an Industrial Park, No. 31, Dawang Avenue, High tech Zone, Zhaoqing City, Guangdong Province, 526238 Applicant after: Xuanke Hydrogen Energy Technology (Guangdong) Co.,Ltd. Address before: 226500 Building 2, group 5 and 17, Luqiao village, Chengbei street, Rugao City, Nantong City, Jiangsu Province Applicant before: Nantong Yineng Energy Technology Co.,Ltd. |
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