CN109449459B - Auxiliary device for starting fuel cell - Google Patents
Auxiliary device for starting fuel cell Download PDFInfo
- Publication number
- CN109449459B CN109449459B CN201811302028.5A CN201811302028A CN109449459B CN 109449459 B CN109449459 B CN 109449459B CN 201811302028 A CN201811302028 A CN 201811302028A CN 109449459 B CN109449459 B CN 109449459B
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- air
- fuel cell
- wall
- pressure
- shell
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- 239000000446 fuel Substances 0.000 title claims abstract description 48
- 238000005485 electric heating Methods 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 238000003466 welding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04067—Heat exchange or temperature measuring elements, thermal insulation, e.g. heat pipes, heat pumps, fins
- H01M8/04074—Heat exchange unit structures specially adapted for fuel cell
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- 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
- H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
- H01M8/04225—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells during start-up
-
- 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
- H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
- H01M8/04268—Heating of fuel cells during the start-up of the fuel cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention relates to an auxiliary device for starting a fuel cell, which comprises a cell shell, wherein a fuel cell stack is arranged in the cell shell, a plurality of supporting bodies are welded between the inner wall of the cell shell and the fuel cell stack together, an air channel is formed between the fuel cell stack and the cell shell, two air boxes are arranged on the outer wall of the cell shell, an air blower is arranged in each air box, the output end of each air blower is communicated to the air channel, and an air pressure adjusting mechanism is arranged on the outer wall of the cell shell, close to one of the air boxes. According to the invention, the output ends of the two blowers are positioned in the same air duct, and the output directions of the two blowers are mutually vertical, so that hot air is continuously circulated in the air duct, the loss of heat is reduced, the power consumption of the fuel cell during low-temperature starting is reduced, and the temperature in the air duct can be rapidly increased, thereby rapidly heating the fuel cell stack and increasing the cold starting speed of the fuel cell.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to an auxiliary device for starting a fuel cell.
Background
The fuel cell has excellent performance, becomes a hot spot of research in various countries in the world, and plays a great role in power generation, mobile power supply and vehicle-mounted power supply;
most of the existing fuel cell systems need auxiliary methods such as auxiliary power supply heating, cooling medium heating, hot gas purging, direct contact reaction inside the hydrogen-oxygen cell and the like during cold starting, and the existing auxiliary power supply heating mode usually has the disadvantages of too long cold starting time, large electricity consumption, unbalanced pressure in the heating process and easy danger to the cell.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the cold start of a fuel cell has too long start time, too large electric quantity consumption, unbalanced pressure in the heating process and easy danger to the cell, and provides an auxiliary device for starting the fuel cell.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a fuel cell starts and uses auxiliary device, includes the battery case, install the fuel cell stack in the battery case, it has a plurality of supporters to weld jointly between battery case inner wall and the fuel cell stack, form the wind channel between fuel cell stack and the battery case, two bellows are installed to the outer wall of battery case, all install the air-blower in every bellows, the output of air-blower all communicates to in the wind channel, the position that is close to one of them bellows on the outer wall of battery case is installed atmospheric pressure adjustment mechanism, install the electric heat box on the outer wall of battery case, install the electric heat net in the electric heat box.
Preferably, atmospheric pressure adjustment mechanism including adjust the seat, advance the pressure chamber, go out pressure chamber, fly leaf, slide bar and spring the position welding that is close to one of them bellows on the outer wall of battery case has the regulation seat, adjust the seat and seted up into pressure chamber near the one end middle part of battery case, the middle part sliding connection who advances to press the chamber to be located in the regulation seat has the fly leaf, the one end welding that the battery case was kept away from to the fly leaf has the slide bar, and the slide bar runs through the regulation seat, the body of rod that lies in on the slide bar between fly leaf and the inner wall of advancing the pressure chamber has cup jointed the spring, the both ends welding of spring is in the one end that fly leaf and advancing the pressure intracavity wall are close to each other, it has out the pressure chamber just to lie in advancing in the pressure chamber and communicate.
Preferably, the output ends of the two blowers are located in the air duct on the same side in the air duct, and the output directions of the output ends of the two blowers are located in the air duct in a vertical state.
Preferably, the pressure inlet cavity is a Y-shaped cavity.
Preferably, a stop block is welded at one end of the sliding rod penetrating through the adjusting seat.
Preferably, the electric heating box is positioned at one end of the electric heating net close to the fuel cell stack and communicated with the air duct.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. according to the invention, the output ends of the two blowers are positioned in the same air duct, and the output directions of the two blowers are mutually vertical, so that hot air is continuously circulated in the air duct, the loss of heat is reduced, the power consumption of the fuel cell during low-temperature starting is reduced, and the temperature in the air duct can be rapidly increased, so that the fuel cell stack is rapidly heated, and the cold starting speed of the fuel cell is increased;
2. the pressure in the air duct pushes the movable plate through the pressure inlet cavity, the movable plate drives the sliding rod to slide on the adjusting seat and extrude the spring, so that air pressure can be discharged from the pressure outlet cavity, the pressure in the air duct is kept stable, the movable plate is reset under the acting force of the spring, and the heating safety is guaranteed while the fuel cell stack is rapidly heated.
Drawings
Fig. 1 is a structural diagram of an auxiliary device for starting a fuel cell according to the present invention;
FIG. 2 is an internal view of an adjusting seat of an auxiliary device for starting a fuel cell according to the present invention;
fig. 3 is a schematic diagram of an electric heating network of an auxiliary device for starting a fuel cell according to the present invention.
In the figure: the device comprises a battery shell 1, a support body 2, a fuel cell stack 3, a wind box 4, a blower 5, an adjusting seat 6, an electric heating net 7, an electric heating box 8, a pressure inlet cavity 9, a pressure outlet cavity 10, a movable plate 11, a spring 12 and a sliding rod 13.
Detailed Description
The following detailed description of preferred embodiments of the invention is provided:
in the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, an auxiliary device for starting a fuel cell comprises a cell shell 1, a fuel cell stack 3 is installed in the cell shell 1, a plurality of supporting bodies 2 are welded between the inner wall of the cell shell 1 and the fuel cell stack 3, an air duct is formed between the fuel cell stack 3 and the cell shell 1, two air boxes 4 are installed on the outer wall of the cell shell 1, an air blower 5 is installed in each air box 4, the output end of each air blower 5 is communicated to the air duct, an air pressure adjusting mechanism is installed on the outer wall of the cell shell 1, which is close to one of the air boxes 4, an electric heating box 8 is installed on the outer wall of the cell shell 1, an electric heating net 7 is installed in each electric heating box 8, the electric heating net 7 releases heat, so that air is heated and ascended to enter the air duct, the air blower 5 drives hot air to circularly flow in the air, the fuel cell stack 3 can be heated rapidly, the starting efficiency of the fuel cell stack 3 is improved, and the air pressure adjusting mechanism has the function of keeping the pressure in the air duct stable and improving the safety when the temperature rising pressure in the air duct is increased.
The air pressure adjusting mechanism comprises an adjusting seat 6, a pressure inlet cavity 9, a pressure outlet cavity 10, a movable plate 11, a sliding rod 13 and a spring 12, wherein the adjusting seat 6 is welded on the outer wall of the battery shell 1 at a position close to one of the bellows 4, the middle part of one end, close to the battery shell 1, of the adjusting seat 6 is provided with the pressure inlet cavity 9, the middle part, located in the adjusting seat 6, of the pressure inlet cavity 9 is connected with the movable plate 11 in a sliding manner, one end, far away from the battery shell 1, of the movable plate 11 is welded with the sliding rod 13, the sliding rod 13 penetrates through the adjusting seat 6, the rod body, located between the movable plate 11 and the inner wall of the pressure inlet cavity 9, on the sliding rod 13, is sleeved with the spring 12, two ends of the spring 12 are welded at one end, close to the inner wall of the movable plate 11 and the pressure inlet cavity 9, the cavity, located on one side, close to the, the movable plate 11 is pushed through the pressure inlet cavity 9, the movable plate 11 drives the sliding rod 13 to slide on the adjusting seat 6, and the spring 12 is extruded, so that air pressure can be discharged from the pressure outlet cavity 10, the pressure in the air duct is kept stable, and the heating safety is ensured while the fuel cell stack 3 is rapidly heated.
The output ends of the two air blowers 5 are located in the air channel on the same side, and the output directions of the output ends of the two air blowers 5 are located in the air channel and are in a vertical state, so that the two air blowers 5 are mutually matched, hot air in the air channel can be continuously circulated, and heat loss is reduced. The pressure inlet cavity 9 adopts a Y-shaped cavity body, so that the pressure inlet cavity 9 can be conveniently plugged through the movable plate 11.
The slide bar 13 runs through the one end welding of adjusting seat 6 and has the dog, prevents through the dog that slide bar 13 from entering into pressure chamber 9, prevents to lose the vertical motion state of slide bar 13. The electric heating box 8 is located the electric heating net 7 and is linked together with the wind channel near the one end of fuel cell stack 3, and through carrying out electrical heating to electric heating net 7, electric heating net 7 releases the heat for the air heats and rises, enters into in the wind channel.
When the invention is used, the electric heating net 7 in the electric heating box 8 is electrically heated, the electric heating net 7 releases heat, so that air is heated and lifted to enter the air channel, the hot air in the air channel can rapidly flow through the output ends of the two blowers 5 positioned in the same air channel, the temperature in the air channel can be rapidly raised, so that the fuel cell stack 3 is rapidly heated, the output directions of the two blowers 5 are mutually vertical, hot air is continuously circulated in the air channel, the loss of heat is reduced, the power consumption of the fuel cell in low-temperature starting is reduced, meanwhile, the pressure in the air channel is continuously raised due to the heated and lifted air, when the pressure is certain, the movable plate 11 is pushed through the pressure inlet cavity 9, the movable plate 11 drives the sliding rod 13 to slide on the adjusting seat 6, and the spring 12 is extruded, so that the air pressure can be discharged from the pressure outlet cavity 10, when the pressure is stabilized, the movable plate 11 is restored under the urging force of the spring 12, so that the heating safety is ensured while the fuel cell stack 3 is rapidly heated.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (5)
1. The auxiliary device for starting the fuel cell comprises a cell shell (1), and is characterized in that a fuel cell stack (3) is installed in the cell shell (1), a plurality of supporting bodies (2) are welded between the inner wall of the cell shell (1) and the fuel cell stack (3) together, an air channel is formed between the fuel cell stack (3) and the cell shell (1), two air boxes (4) are installed on the outer wall of the cell shell (1), an air blower (5) is installed in each air box (4), the output end of each air blower (5) is communicated into the air channel, an air pressure adjusting mechanism is installed on the outer wall of the cell shell (1) close to one air box (4), an electric heating box (8) is installed on the outer wall of the cell shell (1), and an electric heating net (7) is installed in the electric heating box (8); the air pressure adjusting mechanism comprises an adjusting seat (6), a pressure inlet cavity (9), a pressure outlet cavity (10), a movable plate (11), a sliding rod (13) and a spring (12), wherein the adjusting seat (6) is welded at a position, close to one air box (4), on the outer wall of the battery case (1), the middle part of one end, close to the battery case (1), of the adjusting seat (6) is provided with the pressure inlet cavity (9), the middle part, located in the adjusting seat (6), of the pressure inlet cavity (9) is connected with the movable plate (11) in a sliding manner, one end, far away from the battery case (1), of the movable plate (11) is welded with the sliding rod (13), the sliding rod (13) penetrates through the adjusting seat (6), a rod body, located between the movable plate (11) and the inner wall of the pressure inlet cavity (9), on the sliding rod (13), is sleeved with the spring (12), two ends of the spring (12) are welded at one end, close to, and a pressure outlet cavity (10) is communicated with the cavity in the adjusting seat (6) and positioned on one side of the pressure inlet cavity (9) close to the spring (12) of the movable plate (11).
2. The fuel cell start-up auxiliary device according to claim 1, wherein the output ends of the two blowers (5) are located in the same air duct in the air duct, and the output directions of the output ends of the two blowers (5) are vertical to each other in the air duct.
3. A fuel cell start-up aid according to claim 1, wherein said pressure inlet chamber (9) is a Y-shaped chamber.
4. A fuel cell start-up aid device according to claim 1, characterized in that the slide rod (13) is welded with a stopper through one end of the adjustment seat (6).
5. A fuel cell start-up aid according to claim 1, wherein the electric heating box (8) is in communication with the air duct at the end of the electric heating grid (7) near the fuel cell stack (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811302028.5A CN109449459B (en) | 2018-11-02 | 2018-11-02 | Auxiliary device for starting fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811302028.5A CN109449459B (en) | 2018-11-02 | 2018-11-02 | Auxiliary device for starting fuel cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109449459A CN109449459A (en) | 2019-03-08 |
| CN109449459B true CN109449459B (en) | 2021-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811302028.5A Active CN109449459B (en) | 2018-11-02 | 2018-11-02 | Auxiliary device for starting fuel cell |
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| Country | Link |
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| CN (1) | CN109449459B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021204593A1 (en) | 2021-05-06 | 2022-11-10 | Siemens Mobility GmbH | Fuel cell system and method for its operation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2051323A1 (en) * | 2007-10-17 | 2009-04-22 | L'Air Liquide Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | Fuel cell comprising a cooling device using a heat conductive gas |
| CN206179997U (en) * | 2016-09-27 | 2017-05-17 | 李鑫 | Interior pressure adjusting device of vanadium battery electrolyte case |
| CN106910920A (en) * | 2017-04-06 | 2017-06-30 | 浙江高成绿能科技有限公司 | A kind of servicing unit of fuel cell cold-starting |
| CN107768777A (en) * | 2016-08-15 | 2018-03-06 | 中国科学院上海硅酸盐研究所 | A kind of metal-air battery with pressure regulation system |
| CN207868317U (en) * | 2017-11-23 | 2018-09-14 | 池贤灼 | A kind of safety-type lead-acid battery |
-
2018
- 2018-11-02 CN CN201811302028.5A patent/CN109449459B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2051323A1 (en) * | 2007-10-17 | 2009-04-22 | L'Air Liquide Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | Fuel cell comprising a cooling device using a heat conductive gas |
| CN107768777A (en) * | 2016-08-15 | 2018-03-06 | 中国科学院上海硅酸盐研究所 | A kind of metal-air battery with pressure regulation system |
| CN206179997U (en) * | 2016-09-27 | 2017-05-17 | 李鑫 | Interior pressure adjusting device of vanadium battery electrolyte case |
| CN106910920A (en) * | 2017-04-06 | 2017-06-30 | 浙江高成绿能科技有限公司 | A kind of servicing unit of fuel cell cold-starting |
| CN207868317U (en) * | 2017-11-23 | 2018-09-14 | 池贤灼 | A kind of safety-type lead-acid battery |
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| Publication number | Publication date |
|---|---|
| CN109449459A (en) | 2019-03-08 |
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Effective date of registration: 20211222 Address after: 200000 room b05-18, floor 4b, 2300 Yangshupu Road, Yangpu District, Shanghai Patentee after: SHANGHAI BOXUAN ENERGY TECHNOLOGY CO.,LTD. Address before: 201199 room b288, building 2, 889 Qishen Road, Minhang District, Shanghai Patentee before: SHANGHAI YINAI POWER SYSTEM Co.,Ltd. |
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Effective date of registration: 20231123 Address after: Room 3055, Floor 3, Building 2, No. 602, Tongpu Road, Putuo District, Shanghai, 200333 Patentee after: Xiehe (Shanghai) New Energy Technology Co.,Ltd. Address before: 200000 room b05-18, floor 4b, 2300 Yangshupu Road, Yangpu District, Shanghai Patentee before: SHANGHAI BOXUAN ENERGY TECHNOLOGY CO.,LTD. |