CN102324537A - Humidification system of fuel cell - Google Patents
Humidification system of fuel cell Download PDFInfo
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- CN102324537A CN102324537A CN201110254614A CN201110254614A CN102324537A CN 102324537 A CN102324537 A CN 102324537A CN 201110254614 A CN201110254614 A CN 201110254614A CN 201110254614 A CN201110254614 A CN 201110254614A CN 102324537 A CN102324537 A CN 102324537A
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- fuel cell
- humidifier
- pipeline
- humidification
- air inlet
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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
Abstract
The invention discloses a humidification air supply system of a fuel cell, comprising a controller connected with a fan, a water pump and a temperature probe, and a humidifier, wherein, the humidifier is provided with a partition inside to divide the interior into an independent upper portion and an independent lower portion, the upper portion forms an air inlet channel, one side is connected with the fan through a pipeline, and the other side is connected with the air inlet pipeline of the fuel cell pile; the lower portion forms a tail gas discharge channel, one side is connected with the air outlet of the fuel cell pile through a pipeline, and the other side is directly emptying; a humiture probe is arranged on the pipeline which connects the upper portion of the humidifier with the air inlet of the fuel cell pile, the inlet of the water pump is connected with the tail gas discharge channel, the outlet of the water pump is connected with a humidification pipeline arranged above the air inlet channel, and a spray head is arranged at the direction from the humidification pipeline to the interior of the humidifier. Compared with the prior art, the invention fully utilizes the heat and moisture in the tail gas of the fuel cell pile, reduces the energy consumption of the system, and improves the work efficiency and stability of the fuel cell system.
Description
Technical field
The present invention relates to the fuel cell technology field, particularly a kind of humidification system of fuel cell.
Background technology
At present, used PEM in the Proton Exchange Membrane Fuel Cells needs hydrone and exists in the battery operation process; Because have only the proton of aquation just to be free to penetrate PEM, arrive electrode cathode from the membrane electrode anode and participate in electrochemical reaction, if the fuel cell lack of water; To cause proton can't pass PEM, the electrode internal resistance sharply increases, and battery performance sharply descends; For being kept, PEM makes the transmittability of proton from membrane electrode anode arrival electrode cathode, need be to the PEM humidification, and humidification is not enough; The PEM transmittability is poor, influences battery performance; But undue humidification can flood electrode, equally also can cause the decline of battery performance; Therefore be the key technology of Proton Exchange Membrane Fuel Cells to the PEM humidification.
The humidification that is applied to Proton Exchange Membrane Fuel Cells at present adopts the film humidification mostly; Membrane humidifier has with fuel cell to be done together; Independent film pipe is also arranged, and still, these equipment often complex structure, cost are higher; While is because membrane humidifier is through the film infiltration oxidant to be carried out humidification by water, so humidification efficient is not high.
In addition, find that through literature search number of patent application is 200910061225.7 to prior art; Granted publication number is CN101510619B; Patent name is the negative-pressure humidification vehicle-mounted fuel cell system of band perforated plate humidifier, and the negative-pressure humidification vehicle-mounted fuel cell system that this patent proposes comprises air compressor, perforated plate humidifier and fuel cell pile; The air in this perforated plate humidifier and the tail gas of fuel cell pile carry out the diffusion of moisture through porous plate; Effectively the air that gets into humidifier is carried out humidification, realized effective recovery of moisture in the fuel cell pile tail gas simultaneously, its weak point is: system complex; Operating cost is high, poor reliability, can not realize comprehensively utilizing simultaneously heat and the moisture in the fuel cell pile tail gas.
Summary of the invention
The objective of the invention is to the not high and non-membrane humidifier system complex of membrane humidifier humidification efficient, the high deficiency of operating cost in the above-mentioned existing Proton Exchange Membrane Fuel Cells humidification system; The humidification air supply system of the fuel cell that a kind of humidification efficient is high, simple in structure, operating cost is low is provided; This system makes full use of heat and the moisture in the fuel cell pile tail gas; Reduce system energy consumption, further improved fuel cell system operating efficiency and stability.
The present invention realizes through following technical scheme:
The humidification air supply system of the fuel cell that the present invention relates to comprises blower fan, also comprises humidifier, water pump, humiture probe and the controller that links to each other with said blower fan, water pump, humiture probe; Be provided with dividing plate in the said humidifier and be divided into the upper and lower part that does not communicate, said humidifier top constitutes the air inlet passage, and a side is connected through pipeline with said blower fan, and opposite side is connected with the air inlet pipeline of fuel cell pile; The bottom of said humidifier constitutes the exhaust emissions passage, and a side is connected through pipeline with the gas outlet of fuel cell pile, the direct emptying of opposite side; Said humiture probe is arranged on said humidifier top and the pipeline that the air inlet of fuel cell pile is connected; The import of said water pump links to each other with the exhaust emissions passage that the bottom of said humidifier constitutes; The outlet of said water pump links to each other with the humidification pipeline of the air inlet passage top that is arranged on said humidifier top formation, and said humidification pipeline is provided with spray head towards the humidifier internal direction.
Preferably, also be provided with vertical vacuum heat-pipe arranged side by side in the said humidifier.
Preferably, the below of the exhaust emissions passage of the bottom of said humidifier formation is provided with aqua storage tank.
Preferably, be provided with filter before the import of said blower fan.
Preferably, said Temperature Humidity Sensor adopts the SHT75 digital temperature-humidity sensor.
Compared with prior art, the present invention has following beneficial effect:
1, directly utilize the aqueous water in the fuel cell pile discharge tail gas gas that gets into fuel cell pile to be carried out humidification through spray head; Simplified the auxiliary system of fuel cell pile; Reduce system energy consumption, further improved fuel cell system operating efficiency and stability.
2, in the humidifier vacuum heat-pipe is set, utilizes fuel cell pile discharge tail gas heat that the gas that gets into fuel cell pile is heated through heat exchange; Reduction through exhaust temperature simultaneously makes the moisture in the tail gas further liquefy, and makes to getting into the fuel cell pile Humidifying of gas more fully, effectively.
3, through aqua storage tank is set, it is more thorough to make in the fuel cell pile discharge tail gas that steam separates, better guarantee the humidification effect of system of the present invention.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a humidifier internal structure sketch map of the present invention;
Wherein, 1: blower fan, 2: humidifier, 3: water pump, 4: the humiture probe; 5: controller, 6: dividing plate, 7: air inlet passage, 8: exhaust emissions passage, 9: fuel cell pile; 10: filter, 11: humidification pipeline, 12: spray head, 13: vacuum heat-pipe, 14: aqua storage tank.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is further specified.Should be understood that following examples only are used to the present invention is described but not are used to limit scope of the present invention.
Embodiment
Like Fig. 1, shown in Figure 2, the humidification air supply system of fuel cell comprises blower fan 1, also comprises humidifier 2, water pump 3, humiture probe 4 and the controller 5 that links to each other with said blower fan 1, water pump 3, humiture probe 4; Be provided with dividing plate 6 in the said humidifier 2 and be divided into the upper and lower part that does not communicate, said humidifier 2 tops constitute air inlet passage 7, one sides and said blower fan 1 and are connected through pipeline, and opposite side is connected with the air inlet pipeline of fuel cell pile 9; The bottom of said humidifier 2 constitutes exhaust emissions passage 8, one sides and is connected the direct emptying of opposite side with the gas outlet of fuel cell pile 9 through pipeline; Said humiture probe 4 is arranged on said humidifier 2 tops and the pipeline that the air inlet of fuel cell pile 9 is connected; The import of said water pump 3 links to each other with the exhaust emissions passage 8 that the bottom of said humidifier 2 constitutes; The outlet of said water pump 3 connects with the humidification pipeline 11 of air inlet passage 7 tops that are arranged on said humidifier 2 tops formation, and said humidification pipeline 11 is provided with spray head 12 towards humidifier 2 internal direction.During system works, the aqueous water in the tail gas in the exhaust emissions passage 8 is pumped to humidification pipeline 11, and passed through spray head 12 atomizing sprays, give the gas humidification that gets into fuel cell pile 9 to air inlet passage 7 through water pump 3.Simplifying humidification system, having reduced system energy consumption, realized effective recovery of moisture in the fuel cell pile tail gas when further having improved the fuel cell system operating efficiency.
In the present embodiment, temperature, humidity that controller 5 gets into the gas of fuel cell pile 9 through 4 detections of humiture probe when temperature, humidity are lower than the lower limit of setting, are opened water pump 3 and are extracted aqueous waters; When temperature, humidity were higher than the higher limit of setting, water pump 3 stopped pumping.Humiture probe 4 adopts the SHT75 digital temperature-humidity sensor; This Temperature Humidity Sensor possesses high accuracy and response time (moisture measurement precision: ± 1.8%RH rapidly; Temperature measurement accuracy: ± 0.3 ℃; Response time: 8s, low-power consumption (typ. 30 μ W)), thus the stability of system of the present invention ensured.
As shown in Figure 2; Said humidifier 2 also is provided with vertical vacuum heat-pipe 13 arranged side by side, utilizes fuel cell pile 9 discharge tail gas heats that the gas that gets into fuel cell pile 9 part of atomizing of heating in the atomized water that makes spray head 12 ejections is not fully further vaporized through heat exchange; The reduction of exhaust temperature simultaneously makes the moisture in the tail gas further liquefy, and produces more aqueous water, makes to getting into fuel cell pile 9 Humidifying of gas more fully, effectively.In addition; The heat that uses comes from the heat that fuel cell pack 9 is discharged because the gas of 13 pairs of entering of vacuum heat-pipe fuel cell pile 9 is heated; The temperature that assurance is heated is lower than the exhaust temperature that this fuel cell pack 9 is discharged; Thereby it is too high can not occur heating, and has ensured the fail safe of system works of the present invention.
In the present embodiment, the below of the exhaust emissions passage 8 that constitutes of said humidifier 2 bottoms is provided with aqua storage tank 14.Through the aqueous water that aqua storage tank 14 is collected in the exhaust emissions passage 8 is set; Make that steam separates more thorough in the fuel cell pile discharge tail gas; Further make water pump 3 pump to the aqueous water of humidification pipeline 11 and can not mix steam and other impurity; Better guarantee the spray effect, thereby better guarantee the humidification effect of system of the present invention.
In the present embodiment, be provided with filter 10 before the import of said blower fan 1, filter out the impurity such as dust in the gas, make the gas purity that reacts that gets into fuel cell pile 9 improve, thereby ensured the operating efficiency of fuel cell pile.
Claims (5)
1. the humidification air supply system of a fuel cell comprises blower fan, it is characterized in that: also comprise humidifier, water pump, humiture probe and the controller that links to each other with said blower fan, water pump, humiture probe; Be provided with dividing plate in the said humidifier and be divided into the upper and lower part that does not communicate, said humidifier top constitutes the air inlet passage, and a side is connected through pipeline with said blower fan, and opposite side is connected with the air inlet pipeline of fuel cell pile; The bottom of said humidifier constitutes the exhaust emissions passage, and a side is connected through pipeline with the gas outlet of fuel cell pile, the direct emptying of opposite side; Said humiture probe is arranged on said humidifier top and the pipeline that the air inlet of fuel cell pile is connected; The import of said water pump links to each other with the exhaust emissions passage that the bottom of said humidifier constitutes; The outlet of said water pump links to each other with the humidification pipeline of the air inlet passage top that is arranged on said humidifier top formation, and said humidification pipeline is provided with spray head towards the humidifier internal direction.
2. the humidification air supply system of fuel cell according to claim 1 is characterized in that: also be provided with vertical vacuum heat-pipe arranged side by side in the said humidifier.
3. the humidification air supply system of fuel cell according to claim 1 and 2 is characterized in that: be provided with aqua storage tank below the exhaust emissions passage that the bottom of said humidifier constitutes.
4. the humidification air supply system of fuel cell according to claim 1 is characterized in that: be provided with filter before the import of said blower fan.
5. the humidification air supply system of fuel cell according to claim 1 is characterized in that: said Temperature Humidity Sensor employing SHT75 digital temperature-humidity sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110254614.9A CN102324537B (en) | 2011-08-31 | 2011-08-31 | Humidification system of fuel cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110254614.9A CN102324537B (en) | 2011-08-31 | 2011-08-31 | Humidification system of fuel cell |
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| CN102324537A true CN102324537A (en) | 2012-01-18 |
| CN102324537B CN102324537B (en) | 2014-08-27 |
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| CN201110254614.9A Active CN102324537B (en) | 2011-08-31 | 2011-08-31 | Humidification system of fuel cell |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109597452A (en) * | 2018-11-30 | 2019-04-09 | 安徽明天氢能科技股份有限公司 | A kind of high power fuel cell test platform gas humiture control system |
| CN109728331A (en) * | 2018-11-30 | 2019-05-07 | 北京建筑大学 | One proton exchanging film fuel battery dynamic performance testing system and its working method |
| CN110057395A (en) * | 2018-09-26 | 2019-07-26 | 南方科技大学 | Fuel battery inside temperature-humidity detecting device |
| CN111993857A (en) * | 2020-08-11 | 2020-11-27 | 东风汽车集团有限公司 | Fuel cell humidifying system with passenger cabin humidifying function and control method |
| CN113363534A (en) * | 2021-07-07 | 2021-09-07 | 大连锐格新能源科技有限公司 | Fuel cell atomization humidification system and humidification method thereof |
| CN115064730A (en) * | 2022-05-27 | 2022-09-16 | 冠驰新能科技(南京)有限公司 | Humidifying method for full life cycle of fuel cell |
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| CN1459882A (en) * | 2002-05-24 | 2003-12-03 | 上海神力科技有限公司 | High effect humidifying device used for fuel battery |
| JP2007048597A (en) * | 2005-08-10 | 2007-02-22 | Nissan Motor Co Ltd | Fuel cell system |
| JP2007227253A (en) * | 2006-02-24 | 2007-09-06 | Toyota Motor Corp | Humidification device and fuel cell system |
| CN101510619B (en) * | 2009-03-24 | 2011-02-09 | 武汉理工大学 | Negative-pressure humidification vehicle-mounted fuel cell system with perforated plate humidifier |
-
2011
- 2011-08-31 CN CN201110254614.9A patent/CN102324537B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1459882A (en) * | 2002-05-24 | 2003-12-03 | 上海神力科技有限公司 | High effect humidifying device used for fuel battery |
| JP2007048597A (en) * | 2005-08-10 | 2007-02-22 | Nissan Motor Co Ltd | Fuel cell system |
| JP2007227253A (en) * | 2006-02-24 | 2007-09-06 | Toyota Motor Corp | Humidification device and fuel cell system |
| CN101510619B (en) * | 2009-03-24 | 2011-02-09 | 武汉理工大学 | Negative-pressure humidification vehicle-mounted fuel cell system with perforated plate humidifier |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057395A (en) * | 2018-09-26 | 2019-07-26 | 南方科技大学 | Fuel battery inside temperature-humidity detecting device |
| CN110057395B (en) * | 2018-09-26 | 2021-08-06 | 南方科技大学 | Temperature and humidity detection device inside fuel cell |
| CN109597452A (en) * | 2018-11-30 | 2019-04-09 | 安徽明天氢能科技股份有限公司 | A kind of high power fuel cell test platform gas humiture control system |
| CN109728331A (en) * | 2018-11-30 | 2019-05-07 | 北京建筑大学 | One proton exchanging film fuel battery dynamic performance testing system and its working method |
| CN111993857A (en) * | 2020-08-11 | 2020-11-27 | 东风汽车集团有限公司 | Fuel cell humidifying system with passenger cabin humidifying function and control method |
| CN111993857B (en) * | 2020-08-11 | 2022-02-11 | 东风汽车集团有限公司 | Fuel cell humidifying system with passenger cabin humidifying function and control method |
| CN113363534A (en) * | 2021-07-07 | 2021-09-07 | 大连锐格新能源科技有限公司 | Fuel cell atomization humidification system and humidification method thereof |
| CN115064730A (en) * | 2022-05-27 | 2022-09-16 | 冠驰新能科技(南京)有限公司 | Humidifying method for full life cycle of fuel cell |
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| CN102324537B (en) | 2014-08-27 |
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Inventor after: Ge Xuxu Inventor after: Shen Chen Inventor after: The inventor has waived the right to be mentioned Inventor before: The inventor has waived the right to be mentioned |
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Effective date of registration: 20170607 Address after: 41 F4040 room, Lane 398, Lane 200240, Heqing Road, Shanghai, Minhang District Patentee after: Shanghai Power Engineering Technology Co. Ltd. Address before: 201111 Shanghai city Minhang District Yuanjiang Road No. 5500 building first room B379 Patentee before: Shanghai Yaoyu Industrial Co., Ltd. |
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