CN212323045U - Air compressor humidifying device for proton exchange membrane fuel cell system - Google Patents
Air compressor humidifying device for proton exchange membrane fuel cell system Download PDFInfo
- Publication number
- CN212323045U CN212323045U CN202021858819.9U CN202021858819U CN212323045U CN 212323045 U CN212323045 U CN 212323045U CN 202021858819 U CN202021858819 U CN 202021858819U CN 212323045 U CN212323045 U CN 212323045U
- Authority
- CN
- China
- Prior art keywords
- air compressor
- fuel cell
- air
- exchange membrane
- proton exchange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model discloses an air compressor machine humidification device for proton exchange membrane fuel cell system, include: a fuel cell; the high-pressure hydrogen cylinder is connected with a hydrogen inlet of the fuel cell; the water pump is connected with the tail discharge pure water outlet of the fuel cell; an air compressor, wherein an air outlet of the air compressor is connected with an air inlet of the fuel cell; and the atomizing nozzle is arranged at the air inlet end of the air compressor and is connected with the water pump. The utility model discloses utilize the tail row's of the production of fuel cell pile reaction pure water, recycle, then utilize the water pump to pass through atomizing nozzle and spout air compressor's inlet end back to this increases the humidity of air, reduces the temperature of air.
Description
Technical Field
The utility model belongs to the technical field of fuel cell, especially, relate to an air compressor machine humidification device for proton exchange membrane fuel cell system.
Background
The increasing shortage of petroleum and the clean and diversified energy sources will be the main melody in the future, and fuel cell vehicles using hydrogen as the energy source are regarded as the ultimate form of vehicles in the market.
The fuel cell uses hydrogen-oxygen proton exchange to generate electric energy, hydrogen is supplied by a high-pressure hydrogen cylinder, and the air is rich in 21% oxygen, so the oxygen path is supplied by compressed air.
The air entering the electric pile needs to meet the requirements of temperature, humidity, pressure and flow, and the mainstream scheme in the world is that the flow and the pressure are controlled by an air compressor, the temperature is controlled by an intercooler at an exhaust port of the air compressor, and the humidity is controlled by a humidifier at the front end of the electric pile.
SUMMERY OF THE UTILITY MODEL
To prior art's problem, the utility model provides an air compressor machine humidification device for proton exchange membrane fuel cell system utilizes the tail row of fuel cell pile reaction to finish the pure water that produces, recycle, then utilizes the water pump to pass through atomizing nozzle and spout air compressor's inlet end back to this increases the humidity of air, reduces the temperature of air.
In order to achieve the above purpose, the technical scheme of the utility model is that:
an air compressor humidifying device for a proton exchange membrane fuel cell system comprises:
a fuel cell;
the high-pressure hydrogen cylinder is connected with a hydrogen inlet of the fuel cell;
the water pump is connected with the tail discharge pure water outlet of the fuel cell;
an air compressor, wherein an air outlet of the air compressor is connected with an air inlet of the fuel cell;
and the atomizing nozzle is arranged at the air inlet end of the air compressor and is connected with the water pump.
Air entering the fuel cell must be absolutely oil-free gas, otherwise, the air can pollute and damage a galvanic pile, so that the air compressor is a high-precision intermittent rotor blade air compressor, absolute oil-free cleanness is ensured in a compression cavity, but the mode brings the problem that a large amount of high-pressure gas leaks through gaps when the air compressor has a high pressure ratio, the temperature of the air compressor is rapidly increased, the rotor blades are expanded due to the temperature increase, and the scraping and the damage among the rotor blades are caused, so that the air compressor can only be used in a low pressure ratio region; and the higher the fuel cell pressure ratio, the higher the energy density, and it is expected that the future compressor trend is the high pressure ratio. Therefore, it is always contradictory that the air compressor can only be used in the low pressure ratio range and the fuel cell requires the high pressure ratio.
And adopted the utility model discloses a device, atomizing water spray have the intervention of water in to air compressor, have remedied the clearance between rotor blade in the air compressor, have reduced high-pressure gas's backward flow to reduced the holistic temperature of air compressor machine, so the pressure ratio of air compressor machine can be by times improvement and the air compressor machine does not damage.
Preferably, a humidity sensor and a temperature sensor are arranged at the exhaust port of the air compressor. The humidity and temperature of the air entering the fuel cell can be monitored in real time.
Preferably, the air purifier further comprises an air filter, the air filter is connected with the air inlet end of the air compressor, and impurities are filtered out through the air filter before the air enters the air compressor.
Preferably, the fuel cell system further comprises a circulating water tank, a tail pure water discharge outlet of the fuel cell is connected with a water inlet of the circulating water tank, and the water pump is connected with a water outlet of the circulating water tank.
Preferably, the hydrogen gas generation device further comprises a controller, and the air compressor, the valve of the high-pressure hydrogen cylinder, the water pump, the fuel cell, the humidity sensor and the temperature sensor are in signal connection with the controller.
The utility model discloses owing to adopt above technical scheme, make it compare with prior art and have following advantage and positive effect:
the utility model discloses a tail row's pure water that the device utilization recycle fuel cell pile reaction produced adopts the water pump to pass through atomizing nozzle to air compressor inlet end to this just can reach the circulation when fuel cell system moves, and air compressor starts promptly, and air admission fuel cell, pile reaction produce water, and the hydrologic cycle returns air compressor cooling and humidification entering fuel cell's gas.
The water spraying amount is controlled by controlling the rotating speed of the water pump, and further, the humidity and the temperature of air discharged by the air compressor are controlled. The corresponding speed relationship between the air compressor and the water pump can be set, so that the exhaust of the air compressor meets the requirements of flow, pressure, temperature and humidity required by the galvanic pile.
Meanwhile, because water is introduced into the air compressor, gaps among the rotor blades are made up, backflow of high-pressure gas is reduced, and the overall temperature of the air compressor is reduced, so that the pressure ratio of the air compressor can be improved in multiples without damaging the air compressor.
The utility model discloses only adopt atomizing nozzle and water pump to replace traditional intercooler and humidifier to improve air compressor's pressure greatly than, greatly the cost is reduced makes whole system become miniaturized, simple structure, has greatly increased proton exchange membrane fuel cell car competitiveness in automobile market.
Drawings
Fig. 1 is a schematic view of an air compressor humidifying device for a proton exchange membrane fuel cell system according to an embodiment of the present invention;
FIG. 2 is a conventional PEM fuel cell system;
fig. 3 is an enlarged view of I in fig. 1.
Description of reference numerals: 1-a fuel cell; 2-an air compressor; 3-a water pump; 4-an air filter; 5-an atomizing nozzle; 6-an intercooler; 7-film humidifier.
Detailed Description
The following describes an air compressor humidifier for a proton exchange membrane fuel cell system in further detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims.
Referring to fig. 1 and 3, in one embodiment, an air compressor humidifying device for a proton exchange membrane fuel cell system includes: the system comprises a fuel cell 1, a circulating water tank, a high-pressure hydrogen cylinder, a water pump 3, an air compressor 2, an atomizing nozzle 5, an air filter 4 and a controller; the high-pressure hydrogen cylinder is connected with a hydrogen inlet of the fuel cell 1; the circulating water tank is connected with a tail pure water discharge outlet of the fuel cell 1 through a pipeline, a cooler for cooling water is arranged in the general circulating water tank to keep the temperature of the circulating water tank constant, and the water pump 3 is connected with the water outlet of the circulating water tank through a pipeline; the exhaust port of the air compressor 2 is connected with the air inlet of the fuel cell 1 through a pipeline; the atomizing nozzle 5 is arranged at the air inlet end of the air compressor 2 and is connected with the water pump 3 through a pipeline; the air filter 4 is connected with the air inlet end of the air compressor 2 through a pipeline, and impurities are filtered by the air filter 4 before the air enters the air compressor 2;
the air outlet of the air compressor 2 is provided with a humidity sensor and a temperature sensor. The humidity and the temperature of the air entering the fuel cell 1 can be monitored and measured in real time;
air compressor 2, the valve of high-pressure hydrogen cylinder, water pump 3, fuel cell 1, humidity transducer and temperature sensor all with controller signal connection, whether the steerable air compressor of controller 2, water pump 3, fuel cell 1 are opened, whether control high-pressure hydrogen cylinder is to fuel cell 1 internal discharge air, temperature sensor and temperature sensor turn into the signal of telecommunication with temperature and humidity, and send the signal of telecommunication to the controller, the controller turns into data information with the signal of telecommunication, and then 3 rotational speeds of regulation water pump.
The rotating speed of the water pump 3 is adjusted by observing the humidity and the temperature of the air discharged from the air compressor 2, and the water spraying amount sprayed into the air compressor 2 is adjusted, so that the air entering the fuel cell 1 meets the requirements of temperature and humidity.
The air entering the fuel cell 1 must be absolutely oil-free gas, otherwise the air can pollute and damage the electric pile, therefore the air compressor 2 is a high-precision intermittent rotor blade air compressor, so that absolute oil-free cleanness is ensured in a compression cavity, but the problem brought by the way is that a large amount of high-pressure gas can leak through gaps when the air compressor has a high pressure ratio, the temperature of the air compressor rises sharply, the rotor blades expand due to the rise of the temperature, and the scraping and damage among the rotor blades are caused, so the air compressor can only be used in a low pressure ratio region; and the higher the pressure ratio of the fuel cell 1, the higher the energy density, and it is expected that the future trend of the compressor is the high pressure ratio. Therefore, it is always contradictory that the air compressor 2 can be used only in the low pressure ratio region and the fuel cell 1 requires the high pressure ratio.
And adopted the utility model discloses a device, atomizing water spray have the intervention of water in to air compressor 2, have remedied the clearance between rotor blade in air compressor 2, have reduced high-pressure gas's backward flow to reduced the holistic temperature of air compressor machine, so the pressure ratio of air compressor machine can be doubled improvement and the air compressor machine does not damage.
As shown in fig. 2, the air entering the fuel cell 1 needs to meet the requirements of temperature, humidity, pressure and flow rate, the flow rate and pressure are generally controlled by the air compressor 2, the temperature is controlled by the intercooler 6 at the exhaust port of the air compressor 2, the humidity is controlled by the membrane humidifier 7 at the front end of the stack of the fuel cell 1, the required membrane humidifier 7 needs to be imported, there is no such kind of manufacturer in China, and the existing fuel cell 1 has a complex system structure, high cost and large occupied space.
And the utility model discloses a 1 system of fuel cell only adopts atomizing nozzle 5 and water pump 3 to replace traditional intercooler and the film humidifier that needs the import to improved air compressor 2's pressure greatly than, greatly the cost is reduced, make whole system become miniaturized, simple structure, greatly increased the competitiveness of proton exchange membrane fuel cell 1 car on automobile market.
Utilize the tail row pure water that recycle fuel cell 1 galvanic pile reaction produced, adopt water pump 3 to pass through atomizing nozzle 5 to air compressor 2 inlet end, just can reach perfect circulation with this when fuel cell 1 system operation, controller control air compressor 2 starts promptly, the exhaust gets into fuel cell 1, synchronous control high-pressure hydrogen gets into fuel cell 1, galvanic pile reaction produces electricity and pure water, the pure water utilizes water pump 3 to squeeze into air compressor 2 inlet ends through atomizing nozzle 5, in order to reduce air compressor machine exhaust temperature, increase humidity, improve the pressure ratio of air compressor machine.
When the fuel cell 1 stops operating, the hydrogen gas circuit and the water pump 3 are stopped firstly, the air compressor 2 is set to continue operating for about 10s, and then the operation is stopped, so that the pipeline is purged by the air compressor 2, and the pipeline residual water is prevented, and the internal low temperature is caused to freeze.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, the changes still fall within the scope of the present invention if they fall within the scope of the claims and their equivalents.
Claims (6)
1. The utility model provides an air compressor machine humidification device for proton exchange membrane fuel cell system which characterized in that includes:
a fuel cell;
the high-pressure hydrogen cylinder is connected with a hydrogen inlet of the fuel cell;
the water pump is connected with the tail discharge pure water outlet of the fuel cell;
an air compressor, wherein an air outlet of the air compressor is connected with an air inlet of the fuel cell;
and the atomizing nozzle is arranged at the air inlet end of the air compressor and is connected with the water pump.
2. The air compressor humidifying device for proton exchange membrane fuel cell system as claimed in claim 1, wherein the air compressor is a high precision intermittent rotor blade air compressor.
3. The air compressor humidifying device for the proton exchange membrane fuel cell system as claimed in claim 1, wherein a humidity sensor and a temperature sensor are arranged at an air outlet of the air compressor.
4. The air compressor humidifying device for the proton exchange membrane fuel cell system as claimed in claim 1, further comprising an air filter, wherein the air filter is connected with the air inlet end of the air compressor.
5. The air compressor humidifying device for the proton exchange membrane fuel cell system as claimed in claim 1, further comprising a circulating water tank, wherein a tail pure water discharge outlet of the fuel cell is connected with a water inlet of the circulating water tank, and the water pump is connected with a water outlet of the circulating water tank.
6. The air compressor humidifying device for the proton exchange membrane fuel cell system as claimed in claim 3, further comprising a controller, wherein the air compressor, the valve of the high pressure hydrogen cylinder, the water pump, the fuel cell, the humidity sensor and the temperature sensor are in signal connection with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021858819.9U CN212323045U (en) | 2020-08-31 | 2020-08-31 | Air compressor humidifying device for proton exchange membrane fuel cell system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021858819.9U CN212323045U (en) | 2020-08-31 | 2020-08-31 | Air compressor humidifying device for proton exchange membrane fuel cell system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212323045U true CN212323045U (en) | 2021-01-08 |
Family
ID=74035776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021858819.9U Active CN212323045U (en) | 2020-08-31 | 2020-08-31 | Air compressor humidifying device for proton exchange membrane fuel cell system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212323045U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111883804A (en) * | 2020-08-31 | 2020-11-03 | 浙江恒友机电有限公司 | Air compressor humidifying device for proton exchange membrane fuel cell system |
| CN113471487A (en) * | 2021-06-30 | 2021-10-01 | 潍柴动力股份有限公司 | Hydrogen fuel cell humidifying system and humidifying method |
-
2020
- 2020-08-31 CN CN202021858819.9U patent/CN212323045U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111883804A (en) * | 2020-08-31 | 2020-11-03 | 浙江恒友机电有限公司 | Air compressor humidifying device for proton exchange membrane fuel cell system |
| CN113471487A (en) * | 2021-06-30 | 2021-10-01 | 潍柴动力股份有限公司 | Hydrogen fuel cell humidifying system and humidifying method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3434261B2 (en) | Fuel cell system with water injection compressor | |
| CN212323045U (en) | Air compressor humidifying device for proton exchange membrane fuel cell system | |
| CN101170190B (en) | A fully automatic humidity increase and water management system for hydrogen fuel battery | |
| CN112216853A (en) | Fuel cell system and humidity control method thereof | |
| CN110176609B (en) | Air supply system of fuel cell engine and fuel cell vehicle | |
| CN111613813B (en) | Fuel cell air supply system and pressure relief control method thereof | |
| CN111883804A (en) | Air compressor humidifying device for proton exchange membrane fuel cell system | |
| CN112510228A (en) | Device and method for rapidly increasing air inlet temperature of cathode and anode of fuel cell | |
| CN113270614B (en) | Air supply system of vehicle proton exchange membrane fuel cell and working method | |
| CN109768302B (en) | Fuel cell testing system with waste heat recovery device and working method | |
| CN100527508C (en) | Fuel cell system and liquid discharging method for the same | |
| CN114883599A (en) | Hydrogen-air double-injection double-circulation fuel cell system | |
| CN101170188A (en) | A fuel circulation method for fuel battery and special device | |
| CN213304186U (en) | Fuel cell system | |
| CN106887614B (en) | Air supply device for fuel cell | |
| CN111864234A (en) | Closed-loop pressurized fuel cell water management system and control method | |
| CN115632140A (en) | Humidifying and recovering device for proton exchange membrane fuel cell system | |
| CN114388850B (en) | Efficient purging system for fuel cell and control method thereof | |
| CN206806445U (en) | Zero-emission fuel cell intermittent negative pressure hydrogen circulating system device | |
| CN116247253A (en) | Temperature and humidity regulation method and system of fuel cell system | |
| CN217848008U (en) | Humidifying device for fuel cell | |
| CN201501288U (en) | Auxiliary vehicle energy device | |
| CN213304184U (en) | Proton exchange membrane fuel cell purging system | |
| CN201146217Y (en) | System for managing water and full-automatically humidifying hydrogen fuel battery | |
| CN114361522A (en) | Fuel cell hydrogen circulation system and control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |