CN202434642U - Gas humidification system for fuel cell testing platform - Google Patents
Gas humidification system for fuel cell testing platform Download PDFInfo
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- CN202434642U CN202434642U CN2012200019907U CN201220001990U CN202434642U CN 202434642 U CN202434642 U CN 202434642U CN 2012200019907 U CN2012200019907 U CN 2012200019907U CN 201220001990 U CN201220001990 U CN 201220001990U CN 202434642 U CN202434642 U CN 202434642U
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- humidification
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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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Abstract
The utility model relates to a gas humidification system for a fuel cell testing platform. The gas humidification system consists of a multistage heating system, an online automatic water charging system, a humidification water flow and pressure control system and a gas temperature and humidity real-time monitoring system, wherein the multistage heating system comprises a thermostat water bath, a temperature controller and heating rods; and a plurality of heating rods for heating humidification water are arranged in the thermostat water bath, and are connected with the temperature controller to realize multistage temperature regulation between 20 and 100 DEG C. A humidification water temperature control function of the multistage heating system, a function of controlling the flow and pressure of the humidification water passing through a perfluorinated sulfonic acid membrane tube humidifier, an online automatic charging function and a real-time online detection and feedback function of a heat-resisting and high humidity resistant temperature and humidity sensor can be realized, and gas humidity is accurately controlled by the synergistic action of the functions.
Description
Technical field
The utility model relates to a kind of fuel battery test platform, relates in particular to a kind of gas humidification system that proton exchanging film fuel battery test platform is used that tests.
Background technology
Current global energy is nervous, and oil price is surging, and the searching new forms of energy are the task of top priority as the substitute of fossil fuel.Fuel cell be considered to after waterpower, firepower and nuclear electric power generation the 4th generation generation technology, it is directly changed into electric energy through electrocatalytic reaction with the chemical energy of Oxidizing and Reducing Agents, is a kind of efficient, safety, cleaning, new-generation technology flexibly.Proton Exchange Membrane Fuel Cells wherein is because of it has the efficient height, energy density is big, reaction temperature is low, noiselessness, remarkable advantage such as pollution-free are with a wide range of applications at aspects such as terrestrial power generation station, electric motor car and compact powers.Fuel battery inside mainly is made up of PEM, electro chemical catalyst, diffusion layer and bipolar plates.When operation of fuel cells, its inner reactions process that takes place: reacting gas spreads in diffusion layer, when reacting gas arrives Catalytic Layer, in Catalytic Layer, is adsorbed and the generation electrocatalytic reaction by catalyst; The proton that anode reaction generates is through being delivered to cathode side in the PEM, electronics arrives negative electrode through external circuit, with oxygen molecule reaction bonded Cheng Shui, emits heat simultaneously.Electrode reaction is:
Anode (negative pole): H
2→ 2H
++ 2e
Negative electrode (positive pole): 1/2O
2+ 2H
++ 2e → H
2O
Cell reaction: H
2+ 1/2O
2→ H
2O
In the typical Proton Exchange Membrane Fuel Cells, membrane electrode is placed in the middle of the guide plate of two conductions, and two bafflers are respectively the baffler of anode fuel and the baffler of cathode oxidant.A fuel cell that forms like this is called monocell, in order to increase the gross power of whole Proton Exchange Membrane Fuel Cells, need a plurality of monocells be connected into battery pack through straight folded mode, is fuel cell pile again.In fuel cell pile, can there be guiding gutter on the two sides of a pole plate, and wherein one side can be used as the anode guide face of a membrane electrode, and another side can be used as the cathode diversion face of another adjacent membranes electrode again, and this pole plate is called bipolar plates.Pile tightens together through front end-plate, end plate and pull bar.
When fuel cell piles up operation; Humidification is required than higher, in running in case to get into the humidification effect of pile excessive or too small, then will cause on the pile performance decay with can't normally move; Pile itself is caused great influence, need be the Testing Platform humidification system.
Existing related patent U.S. Patent No.:
Chinese patent number is the fuel cell humidifying system that 200710047571.0,200710047571.0,200710047570.6 utility model relates to a kind of integrated form; This system comprises air humidification heap, hydrogen humidification heap, air side end plate, hydrogen gas side end plate; The air humidification heap is superposeed successively by many groups cooling water baffler, humidification diaphragm, air baffle and assembles; Hydrogen humidification heap is superposeed successively by many groups cooling water baffler, humidification diaphragm, hydrogen flow guide plate and assembles; Also comprise dividing plate; Air humidification heap and hydrogen humidification are piled and are separately positioned on the dividing plate both sides, form air hydrogen integrated form humidifying device, and air, hydrogen or cooling water get into or the outflow humidification system from air humidification heap side or hydrogen humidification heap side respectively.Shortcoming is to be used for test platform, can not detect the relative humidity with control gaseous accurately.
Chinese patent number is that 200510111277.2 utility model provides a kind of fuel-cell humidifying drum humidifying balance stable control device; Comprise rotating disk, velocity transducer, single-chip microcomputer, speed control and power amplifier, humidification rotary drum motor and communication interface; Rotating disk is installed on the main shaft of humidification rotary drum motor; Velocity transducer is arranged on the rotating speed induction region of rotating disk; The input connection speed transducer of single-chip microcomputer, output is connection speed control and power amplifier and communication interface respectively, and the output of speed control and power amplifier connects humidification rotary drum motor.Shortcoming is to control RH through mechanical mode, and more complicated in operation can not detect the relative humidity with control gaseous accurately.
Chinese patent number is that the fuel cell humidifying system that 200710122668.3 and 200610137930.7 utility model provides comprises humidifying device, moisture separator and deionizater; Humidifying device comprises gas container, and gas container has gas inlet and the gas outlet with the gas container internal communication; Wherein, this humidifying device also comprises atomizer, water regulating valve and humidity measuring instrument; When the humidity of the detected gas of humidity measuring instrument is not in preset range, regulate the inflow of atomizer through water regulating valve, reach in the preset range until the humidity of the detected gas of humidity measuring instrument.The humidifying device that fuel cell humidifying system comprised that this utility model provides has been introduced humidity measuring instrument, the inflow of the humidity regulation atomizer that obtains according to detection, thus can control in real time the humidity of gas.Shortcoming is that the atomized water energy consumption is bigger, with gas mixed process in easy dewfall, be prone to produce the state of excessive humidification, the humidity of gas is not easy control.
Chinese patent number is that 200410066643.2 utility model relates to a kind of fuel battery humidification device efficiently; Comprise fuel cell pack, hydrogen supply device, cooling fluid EGR, air compression plant, steam trap, deionizater, deionized water water tank, water spray measuring pump, water spray metering adjuster valve, highly effective air humidifier; The highly effective air humidifier is located between air compression plant and the fuel cell pack, uses from input fuel cell pack behind the high temperature drying air process highly effective air humidifier decreasing temperature and increasing humidity of air compression plant.Shortcoming is that the humidification coolant-temperature gage needs insulation, and system is complicated, and the humidity of gas is wayward.
All there is defective in the humidification mode of above patent:
1. the fuel cell humidifying device of an integrated form is not useable for fuel battery test platform, can not control RH accurately;
2. fuel cell drum humidification mode is come the humidity of control gaseous through the mode of mechanical rotation, in the structure more complicated, and the humidity of control gaseous accurately;
3. the spray humidification mode is that the first body that after the cauldron gasification, degass of water combines to get into fuel cell; Shortcoming needs first atomized water energy consumption bigger, with gas mixed process in dewfall easily, be prone to produce the state of excessive humidification, humidity is not easy control;
4. the work of water sprinkling for better material moisture mode is that water spray is given fuel cell humidifying through the carbonated drink piece-rate system; The humidification coolant-temperature gage need be incubated measure, use the carbonated drink piece-rate system, and system is complicated, and humidity is wayward.
The utility model content
The purpose of the utility model is exactly for the defective that overcomes the prior art existence a kind of gas humidification system that is used for fuel battery test platform to be provided; This system can realize humidification coolant-temperature gage control (multistage heating system); Realize flow and the hydraulic pressure control function of humidification water through perfluoro sulfonic acid membrane pipe humidifier; Realize online automatic water supplement function; And real-time online high-temp resisting high-humidity resisting Temperature Humidity Sensor detection feedback function, realize the accurate control of gas humiture at last through the synergy of above each function.
The utility model is realized through following technical scheme: a kind of gas humidification system that is used for fuel battery test platform; By multistage heating system; On-line automatic water charging system, the real-time monitoring system of the gentle body temperature humidity of humidification discharge and control pressurer system is formed
Multistage heating system comprises thermostat water bath, adds the temperature controller, and heating rod is provided with the some heating rods that are used to heat humidification water in the thermostat water bath, and heating rod is connected with temperature controller, is used to realize multistage adjustment between 20-100 ℃;
On-line automatic water charging system comprises thermostat water bath, and liquid level sensor is provided with liquid level sensor in the normally closed solenoid valve thermostat water bath, and liquid level sensor is connected with the normally closed solenoid valve of adding water automatically for thermostat water bath;
Humidification discharge and control pressurer system comprise the water pump and the back pressure regulating valve of scalable flow, are connected the water pump and the back pressure regulating valve of scalable flow between thermostat water bath and the humidifier respectively, are used to control the flow and the pressure of humidification water;
The real-time monitoring system of gas humiture comprises the high-temp resisting high-humidity resisting Temperature Humidity Sensor; The Temperature and Humidity Control unit; The high-temp resisting high-humidity resisting Temperature Humidity Sensor is arranged on the pipeline between humidifier and the fuel cell; And be connected with the Temperature and Humidity Control unit; The Temperature and Humidity Control unit is connected with water pump, back pressure regulating valve and the temperature controller of scalable flow respectively, and the water pump, back pressure regulating valve and the temperature controller that are used for controlling respectively the scalable flow change speed and the humidification coolant-temperature gage that humidification water sees through humidifier.
Humidifier is made up of the perfluoro sulfonic acid membrane pipe; Liquid level sensor is connected power supply respectively with normally closed solenoid valve; Humidifier is provided with blower fan.
The beneficial effect of the utility model is:
The utility model adopts:
1. multistage heating system: with a thermostat water bath as the humidification water source; There are many heating rods can heat humidification water in the water-bath; And add temperature controller 12 and can control the growth trend water source of heating rod in running status makes water-bath and can realize multistage temp regulating function between 20-100 ℃, make the humidification coolant-temperature gage can be controlled at accurately on the temperature spot.
2. on-line automatic moisturizing: liquid level sensor is set in thermostat water bath, crosses when low, then open normally closed solenoid valve and realize adding automatically water function when water level in the thermostat water bath.
3. humidification discharge and pressure control: select for use water pump and the back pressure regulating valve of a scalable flow to be connected between thermostat water bath and the humidifier and control.According to the signal feedback of humidity sensor and the size requirements of gas flow, control the seepage velocity of humidification water through the flow and the pressure of control humidification water, the humidity that need reach with accurate control gaseous through perfluoro sulfonic acid membrane pipe in the humidifier.
4. the real-time monitoring of gas humiture: system's humidifier is selected perfluoro sulfonic acid membrane pipe humidifier for use; Detect the aerial temperature and humidity that gets into fuel cell through the high-temp resisting high-humidity resisting Temperature Humidity Sensor; Before fuel cell operation, set an air intake humiture value; When detecting the air intake humiture when not meeting numerical value; The high-temp resisting high-humidity resisting Temperature Humidity Sensor sends signal and changes speed and the humidification coolant-temperature gage that humidification water sees through the perfluoro sulfonic acid membrane pipe through water pump, back pressure regulating valve and the temperature controller that the Temperature and Humidity Control unit controls respectively the scalable flow, to satisfy the accurate control that different humidity requires under the gas with various flow.The principle of control RH has two kinds, and the one, the sulfonic acid group concentration (sulfonic acid group has water absorption) through control perfluoro sulfonic acid membrane pipe humidifier increases in the humidification water that absorbs in the air hydrone and realizes the concentration difference migration; The 2nd, make air take away hydrone fast through change humidification water lateral pressure and flow and come controlled humidity to realize the pressure reduction migration.
Therefore; The utility model can be realized humidification coolant-temperature gage control (multistage heating system); Realize flow and the hydraulic pressure control function of humidification water through perfluoro sulfonic acid membrane pipe humidifier; Realize online automatic water supplement function, and real-time online high-temp resisting high-humidity resisting Temperature Humidity Sensor detection feedback function, realize the accurate control of gas humiture at last through the synergy of above each function.
Description of drawings
Fig. 1 is the systematic schematic diagram of the utility model;
Fig. 2 is the humidifier structure principle chart.
Embodiment
With embodiment the utility model is described further in conjunction with the drawings below.
As shown in Figure 1, be used for fuel battery test platform with multistage variable gas humidification system, wherein thermostat water bath 4 heating rods 13 can carry out multistage heating to the humidification water source that gets into fuel cell with temperature controller 12, and temperature range is 20 ℃-100 ℃; The water pump 5 and the back pressure regulating valve 10 of scalable discharge can be realized controlled water flow amount and pressure; Connect water pump of thermostat water bath 4 scalable discharges 5 and back pressure regulating valve 10 with perfluoro sulfonic acid membrane pipe humidifier 9 on the access fuel cell module 6, just can realize the control of multistage heating and humidification flow through the conversion of perfluoro sulfonic acid membrane pipe humidifier 9 moisture.
High-temp resisting high-humidity resisting Temperature Humidity Sensor 8 is installed in and detects the aerial temperature and humidity that gets into fuel cell between fuel cell module and the perfluoro sulfonic acid membrane pipe humidifier humidifier 9 among Fig. 1; Water pump 5, back pressure regulating valve 10 and the temperature controller of hot and humid Temperature Humidity Sensor 8, scalable discharge are connected with Temperature and Humidity Control unit 6; Set a RH value and temperature value, then Temperature and Humidity Control unit 6 water pump 5, back pressure regulating valve 10 and the temperature controller of regulating scalable discharge through the indication of the signal of telecommunication changes discharge, pressure and temperature is controlled the humidification state in entering fuel cell 7 modules if the RH value that records of hot and humid Temperature Humidity Sensor 8 and temperature value have exceeded set point.
Liquid level sensor 3 is installed in the thermostat water bath 4 and with power supply 2 and is connected with normally closed solenoid valve 1 among Fig. 1, crosses when hanging down when liquid level in the thermostat water bath 4, then opens normally closed solenoid valve 1 interpolation humidification water through liquid level sensor 3.
As shown in Figure 2, the schematic diagram of perfluoro sulfonic acid membrane pipe humidifier 9 control RH can be realized the control to the humidification effect through two kinds of methods.Method one is that the sulfonic acid group concentration (sulfonic acid group has water absorption) through control perfluoro sulfonic acid membrane pipe 14 increases in the humidification water 16 that absorbs in the air 15 hydrone 17 and realizes the concentration difference migration; Method two is to make air 15 take away hydrone 17 fast through change humidification water 16 lateral pressures and flow to come controlled humidity to realize the pressure reduction migration.
Claims (4)
1. gas humidification system that is used for fuel battery test platform, by multistage heating system, on-line automatic water charging system, the real-time monitoring system of the gentle body temperature humidity of humidification discharge and control pressurer system is formed, and it is characterized in that:
Said multistage heating system comprises thermostat water bath (4); Add temperature controller (12); Heating rod (13); Be provided with the some heating rods (13) that are used to heat humidification water in the thermostat water bath (4), and heating rod (13) is connected with temperature controller (12), is used to realize multistage adjustment between 20-100 ℃;
Said on-line automatic water charging system comprises thermostat water bath (4); Liquid level sensor (3); Normally closed solenoid valve (1) is provided with liquid level sensor (3) in the thermostat water bath (4), liquid level sensor (3) is connected with the normally closed solenoid valve (1) of adding water automatically for thermostat water bath (4);
Said humidification discharge and control pressurer system comprise the water pump (5) and the back pressure regulating valve (10) of scalable flow; The water pump (5) and the back pressure regulating valve (10) that are connected the scalable flow between thermostat water bath (4) and the humidifier (9) respectively are used to control the flow and the pressure of humidification water;
The real-time monitoring system of said gas humiture comprises high-temp resisting high-humidity resisting Temperature Humidity Sensor (8); Temperature and Humidity Control unit (6); High-temp resisting high-humidity resisting Temperature Humidity Sensor (8) is arranged on the pipeline between humidifier (9) and the fuel cell (7); And be connected with Temperature and Humidity Control unit (6); Temperature and Humidity Control unit (6) is connected with water pump (5), back pressure regulating valve (10) and the temperature controller (12) of scalable flow respectively, and the water pump (5), back pressure regulating valve (10) and the temperature controller (12) that are used for controlling respectively the scalable flow change speed and the humidification coolant-temperature gage that humidification water sees through humidifier (9).
2. the gas humidification system that is used for fuel battery test platform according to claim 1 is characterized in that: said humidifier (9) is made up of the perfluoro sulfonic acid membrane pipe.
3. the gas humidification system that is used for fuel battery test platform according to claim 1 is characterized in that: said liquid level sensor (3) is connected power supply (2) respectively with normally closed solenoid valve (1).
4. the gas humidification system that is used for fuel battery test platform according to claim 1 is characterized in that: said humidifier (9) is provided with blower fan (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200019907U CN202434642U (en) | 2012-01-05 | 2012-01-05 | Gas humidification system for fuel cell testing platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200019907U CN202434642U (en) | 2012-01-05 | 2012-01-05 | Gas humidification system for fuel cell testing platform |
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| CN202434642U true CN202434642U (en) | 2012-09-12 |
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| CN2012200019907U Expired - Lifetime CN202434642U (en) | 2012-01-05 | 2012-01-05 | Gas humidification system for fuel cell testing platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102544553A (en) * | 2012-01-05 | 2012-07-04 | 昆山弗尔赛能源有限公司 | Gas humidifying system for fuel cell testing platform |
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2012
- 2012-01-05 CN CN2012200019907U patent/CN202434642U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102544553A (en) * | 2012-01-05 | 2012-07-04 | 昆山弗尔赛能源有限公司 | Gas humidifying system for fuel cell testing platform |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120912 |
|
| CX01 | Expiry of patent term |