CN100407484C - Fuel battery power generating system with operating parameter monitoring function - Google Patents
Fuel battery power generating system with operating parameter monitoring function Download PDFInfo
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- CN100407484C CN100407484C CN2004100680641A CN200410068064A CN100407484C CN 100407484 C CN100407484 C CN 100407484C CN 2004100680641 A CN2004100680641 A CN 2004100680641A CN 200410068064 A CN200410068064 A CN 200410068064A CN 100407484 C CN100407484 C CN 100407484C
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 30
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- 229910052739 hydrogen Inorganic materials 0.000 claims description 43
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 38
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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 present invention provides a fuel battery power generation system having the function of monitoring operation parameters, which is characterized in that the present invention is provided with a set of operation parameter monitoring mechanism which comprises a CAN bus, a control plate of a CAN interface single chip computer, a liquid crystal display driving plate and a liquid crystal display screen; the input end of the CAN bus is connected with each selected sensor, and a monitor receives the selected work operation parameter data /signals which are transmitted to the control plate of the CAN interface single chip computer; the control plate of the CAN interface single chip computer collects CAN interface data/signals, and the formats of the data/signals are converted and transmitted to the liquid crystal display driving plate; the data/signals of various work operation parameters are transmitted to the liquid crystal display driving plate and displayed on the liquid crystal display screen after processed and converted by the liquid crystal display driving plate. The fuel battery power generation system having the function of monitoring operation parameters can realize visual monitoring for the selected operation parameters, and is conveniently used as a vehicle-carried and a ship-carried dynamic systems or as a movable power generation device.
Description
Technical field
The present invention relates to a kind of fuel cell, relate in particular to a kind of fuel cell generation with operational factor function for monitoring.
Background technology
Fuel cell is the device that a kind of chemical energy that produces can be with fuel and oxidant generation electrochemical reaction the time is transformed into electric energy.The core component of this device is membrane electrode (Membrane Electrode Assembly, be called for short MEA), membrane electrode can be made up of by conductive porous property diffusion material (as carbon paper) with two that are clipped in the film two sides a proton exchange membrane, is evenly distributed with the catalyst (as metal platinum) of the caused electrochemical reaction of tiny dispersion on two boundary faces that proton exchange membrane contacts with electric conducting material.Draw by external circuit with the electronics that conductive body will take place to produce in the electrochemical reaction process on the membrane electrode both sides, has just constituted current circuit.
Anode tap at membrane electrode, fuel can pass porousness diffusion material (as carbon paper) by infiltration, and in catalyst surface generation electrochemical reaction, loses electronics and form cation, cation can pass proton exchange membrane by migration, arrives the other end-cathode terminal of membrane electrode.Cathode terminal at membrane electrode, the gas (as air) that contains oxidant (as oxygen), pass porousness diffusion material (as carbon paper) by infiltration, and in catalyst surface generation electrochemical reaction, obtain electronics and form anion, this anion further combines with the cation of coming from the anode tap migration, forms product.
Be fuel with hydrogen, be in the Proton Exchange Membrane Fuel Cells of oxidant (or be oxidant with the pure oxygen) with the air that contains oxygen, fuel hydrogen loses the catalytic electrochemical reaction of electronics in the anode region, form hydrogen cation (proton), its electro-chemical reaction equations is:
H
2→2H
++2e
Oxygen obtains the catalytic electrochemical reaction of electronics in the cathodic region, form anion, and this anion further combines with the hydrogen cation of coming from the anode tap migration, forms reaction product water.Its electro-chemical reaction equations is:
1/2O
2+2H
++2e→H
2O
Proton exchange membrane in the fuel cell is except the proton that is used for taking place electrochemical reaction and migration exchange reaction and produces, its effect comprises that also air-flow that will contain fuel hydrogen and the air-flow that contains oxidant (oxygen) separate, and they can not mixed mutually and produces the explosion type reaction.
In typical Proton Exchange Membrane Fuel Cells, membrane electrode generally is placed between the pole plate of two conductions, all offers guiding gutter on the two-plate, therefore is called guide plate again.On the surface that guiding gutter is opened in membrane electrode contacts, mill formation at quarter by die casting, punching press or machinery, its quantity is at one or more.Guide plate can be made by metal material, also can be made by graphite material.The effect of the guiding gutter on the guide plate is anode region or the cathodic region that fuel or oxidant is imported the membrane electrode both sides respectively.In the structure of a Proton Exchange Membrane Fuel Cells monocell, only there are a membrane electrode and two guide plates, two guide plate branches are located at the membrane electrode both sides, a guide plate as anode fuel, another is as the guide plate of cathode oxidant.These two guide plates also are the mechanical support on membrane electrode both sides both as current collector plate.Guiding gutter on the guide plate is the passage that fuel or oxidant enter the male or female surface, also is the exhalant canal that the water that generates in the battery operation process is taken away.
In order to increase the power of Proton Exchange Membrane Fuel Cells, the composition battery pack that usually mode of two or more monocells by straight folded mode or tiling connected together, or be called battery pile.This battery pack tightens together by front end-plate, end plate and pull bar usually and becomes one.In battery pack, the two sides of the pole plate between two proton exchange membrane all is provided with guiding gutter, is called bipolar plates.The wherein one side of bipolar plates is as the anode guide face of a membrane electrode, and another side is then as the cathode diversion face of another adjacent membranes electrode.1), the import and the flow-guiding channel of fuel and oxidant gas a typical battery pack also comprises usually:.Its effect is that fuel (as hydrogen, methyl alcohol or the hydrogen-rich gas that obtained after reforming by methyl alcohol, natural gas, gasoline) and oxidant (mainly being oxygen or air) are distributed in the guiding gutter of each anode, cathode plane equably; 2), the import and export and the flow-guiding channel of cooling fluid (as water).Its effect is that cooling fluid is distributed in the cooling duct in each battery pack equably, absorbs the reaction heat that produces in the fuel cell and takes it out of battery pack and dispel the heat; 3), the outlet of fuel and oxidant gas and flow-guiding channel.Its effect is that the unnecessary fuel gas and the oxidant that do not participate in reaction are discharged, and will react the liquid state of generation or the water of gaseous state simultaneously and take out of.Above-mentioned fuel is imported and exported, oxidant is imported and exported and the import and export of cooling fluid all are opened on the end plate of fuel battery usually or be opened in respectively on two end plates.
Proton Exchange Membrane Fuel Cells can be used as the dynamical system of delivery vehicles such as car, ship, can be made into portable or fixed electricity generation system again.
Fuel cell generation generally is made up of following components: fuel cell pack, fuel hydrogen supply subsystem, air supply subsystem, cooling heat dissipation subsystem, autonomous control subsystem and electric energy output subsystem.
Fig. 1 be Shenli Science and Technology Co Ltd, Shanghai's " a kind of fuel cell that has device for controlling dynamically " (application for a patent for invention number: 200410016609.4, utility application number: a kind of 200420020471.0) realizes the dynamically fuel cell generation of control operation by the fuel battery engines watch-dog.This fuel cell generation comprises fuel cell pack 1, hydrogen cylinder 2, pressure-reducing valve 3, air cleaner 4, air compression feeding mechanism 5, water one vapour separator 6, water tank 7, water pump 8, radiator 9, hydrogen recycle pump 10, the rotary humidifier 11 that can dynamically control the humidification degree in hydrogen road, the rotary humidifier 12 that can dynamically control the humidification degree in air road, rotary humidifier adjustable speed motor 13,13 ', hydrogen relative humidity sensor 14 on the hydrogen inlet pipeline, hydrogen temperature transducer 15 and pressure sensor 19, relative air humidity transducer 16 on the air intlet pipeline, air temperature sensor 17 and pressure sensor 20, cooling fluid temperature sensor 18 on the cooling fluid inlet ductwork and pressure sensor 21, hydrogen temperature transducer 22 on the hydrogen outlet pipeline and Hydrogen Vapor Pressure transducer 23, cooling fluid temperature sensor 24 on the cooling fluid export pipeline and cooling fluid pressure sensor 25, air temperature sensor 26 on the air outlet slit pipeline and air pressure probe 27, the operating voltage watch-dog 28 of fuel cell stack operation voltage and each monocell, fuel cell stack operation electric current monitor 29, switch 30 is cut off in load automatically, and hydrogen cuts off electromagnetically operated valve 31 automatically.
Above-mentioned fuel cell generation is followed following principle and principle:
A. the nominal operation temperature of the cooling fluid temperature sensor 18 on the permissible value of fuel cell pack 1 power output and the cooling fluid inlet ductwork is relevant, generally can find a kind of power to allow the relation of output valve and transducer 18 values, transducer 18 value is more near the nominal operation temperature, then allows power output big more or more near rated output power;
B. the power output of fuel cell pack 1 with to the matching relationship of fuel cell supplied fuel hydrogen flowing quantity and air mass flow, press hydrogen metering and calculate, 2.0 calculating of air metering ratio than 1.2;
C. hydrogen relative humidity sensor 14 is relevant with the pressure of hydrogen temperature transducer 15, air temperature sensor 17 and hydrogen, air respectively with relative air humidity transducer 16, can find this kind gas flow to be issued to the relation curve of certain relative humidity at certain pressure, temperature conditions, in general, this gas flow is big more, temperature is high more, pressure is low more, the difficult more high rh value of this gas that reaches; On the contrary, this gas flow is more little, and temperature is low more, and pressure is high more, and this gas more easily reaches the high rh value of this gas;
D. rotary humidifier rotary speed is fast more, and temperature and the relative humidity of advancing the hydrogen of fuel cell or air are all high more.
Principle or principle according to above-mentioned fuel cell generation operation, adopt the fuel cell generation control subsystem, by temperature of fuel cell, power output demand are reached transducer 14,15,16,17,18 values are monitored and calculated, determine speed setting control to the electric rotating machine of rotary humidifier, and determine simultaneously control to hydrogen flowing quantity, air mass flow fuel cell pack to be realized under the power condition that any power output requires: 1. the related control of power output and working temperature; 2. the related control of power output and hydrogen flowing quantity, air mass flow (wherein hydrogen flowing quantity and air mass flow by the demanded power output metering than being respectively that 1.2,2.0 control hydrogen recycle pump motor rotating speeds and air pump motor rotating speed are realized); 3. hydrogen flowing quantity carries out dynamically control in parallel with realizing the motor speed that dynamic humidification is reconciled in the humidifying device of control accordingly respectively with air mass flow, makes hydrogen, air under any flow that enters in the fuel cell pack all keep best relative humidity (a certain numerical value in the middle of 70%～95%); 4. according to the situation of extraneous weather temperature and humidity, reconcile and control method the 3rd point together, and reach and the 3rd identical purpose.Final purpose is to make fuel cell pack realize high-effect operation and move that fuel cell pack not only can have best fuel efficiency, and can prolong working life greatly under best operating condition under the power condition that any power output requires.
So the control subsystem in whole fuel battery engines or the whole generating system is vital to the operation of safe, high-effect and long-life that realizes fuel battery engines or electricity generation system.
Aspect safety guarantee; mainly be that the control subsystem of working as in fuel battery engines or the electricity generation system detects certain running parameter; can in time report to the police during as temperature, pressure, humidity, electric current, electric voltage exception; and carry out the self-protection of fuel battery engines simultaneously; as cut off load, fuel shutoff hydrogen supply.
On the other hand when fuel cell generation uses as the function of test fuel cell heap performance or the service conditions of fuel cell whole generating system diagnosed, all working parameter such as temperature, pressure, humidity, voltage, single battery voltage etc. must be monitored and show to the control subsystem in the fuel cell generation simultaneously.In order to optimize the service conditions of fuel cell pack or whole fuel cell generation, the subsystem of whole generating system must can be revised any one temperature, pressure, humidity, electric current, voltage in the operation work at any time.
At present, the technology that the various running parameters of fuel cell generation operation are monitored mainly contains following two kinds: a kind of is when fuel cell generation uses as the function of test fuel cell heap performance, or when the service conditions of fuel cell whole generating system diagnosed, monitor and control with computer system.For example: the patented technology of Shanghai supernatural power scientific ﹠ technical corporation (China Patent No.: 200410017449.5) can move various running parameters such as temperature, pressure, humidity, voltage, each single battery voltage etc. and monitor, and can directly control, revise to the some parameters in the operation condition of work to fuel cell generation.Another kind is to use as vehicle-mounted dynamical system when fuel cell generation, or during as the packaged type power station, is directly realized monitoring and controlled by watch-dog.
Above-mentioned two kinds of technology that the various running parameters of fuel cell generation operation are monitored have following defective:
1, moves various parameters as each single battery voltage in temperature, pressure, humidity, voltage, the fuel cell with computer system monitoring fuel cell generation, though it is relatively more directly perceived, but the equipment that computer system is relatively heavier often, at fuel cell generation during as dynamical system such as vehicle-mounted, boat-carrying or as roving generating equipment, require fuel cell generation not only to want anti-vibration, and want easy, the lightweight of system, and computer system often can't reach requirement.
2, directly move various running parameters by watch-dog monitoring fuel cell generation, as: temperature, pressure, humidity, voltage, each single battery voltage in the fuel cell, sense not directly perceived.Whether fuel cell generation operation person can't be in normal condition to this system is at any time judged intuitively.Watch-dog is just reported to the police, is shut down when certain parameter reaches the dangerous limit in fuel cell generation operation running parameter often.Like this, the person knows that the individual fuel cell electricity generation system tends to improper process often can't to make the operation, has also lost the chance that running parameter is adjusted in artificial intervention.
Summary of the invention
Purpose of the present invention is exactly that a kind of fuel cell generation with operational factor function for monitoring is provided in order to address the above problem, can realize visual supervisory control to the every selected operational factor of fuel cell generation, can be used as vehicle-mounted, boat-carrying dynamical system easily again, or as the packaged type generating equipment.
The object of the present invention is achieved like this: a kind of fuel cell generation with operational factor function for monitoring, comprise fuel cell pack and autonomous control subsystem, described autonomous control subsystem comprises the hydrogen relative humidity sensor that is arranged on the hydrogen inlet pipeline, temperature sensor and pressure sensor, be arranged on the relative air humidity transducer on the air intlet pipeline, temperature sensor and pressure sensor, be arranged on cooling fluid temperature sensor and pressure sensor on the cooling fluid inlet ductwork, be arranged on hydrogen temperature transducer and pressure sensor on the hydrogen outlet pipeline, be arranged on cooling fluid temperature sensor and pressure sensor on the cooling fluid export pipeline, be arranged on air temperature sensor and pressure sensor on the air outlet slit pipeline, and the operating voltage watch-dog of fuel cell stack operation voltage and each monocell and fuel cell stack operation electric current monitor; Be characterized in: described autonomous control subsystem also comprises a cover operational factor MA monitoring agency, this operational factor MA monitoring agency comprises the CAN bus, CAN interface singlechip control panel, liquid crystal display drive plate and LCDs, the input of CAN bus connects each selected transducer and watch-dog receives selected work operational parameter data/signal and it is transferred to CAN interface singlechip control panel, CAN interface singlechip control panel is gathered CAN interface data/signal and the conversion of data/signal format is transferred to the liquid crystal display drive plate, and the liquid crystal display drive plate carries out data/signal processing to various work operational factors, being transferred to LCDs driving LCDs after the conversion correctly shows.
Described CAN interface singlechip control panel mainly comprises singlechip chip, CAN bus driver chip, CAN bus interface circuit and drive plate interface circuit, its CAN bus interface circuit connects CAN bus and CAN bus driver chip, the output of CAN bus driver chip connects singlechip chip, the output of singlechip chip connects the drive plate interface circuit, and the output of drive plate interface circuit connects the input port of liquid crystal display drive plate.
Described singlechip chip is P87C591, and described CAN bus driver chip is 82C250.
Described liquid crystal display drive plate and LCDs are the universal product.
Be provided with system controlling software in the described singlechip chip, number, kind and the characteristics of the work operational factor of the fuel cell generation of selected required demonstration carry out data analysis and format conversion sends to the liquid crystal drive plate, and can mark look to the running parameter that departs from normal condition.
The present invention has the fuel cell generation of operational factor function for monitoring owing to adopted above-mentioned technical scheme, makes it compared with prior art, has following advantage and good effect:
1, the LCDs in its operational factor MA monitoring agency is a kind ofly can do very small and exquisitely, and can be according to the size of man-machine interface, the equipment that the position need customize, weight is also low weight, and anti-vibration, be particularly suitable for vehicle-mounted, boat-carrying, directly supply with driver's visual supervisory control.
2, because the designer can determine the displaying contents of display screen as required, and can mark the look demonstration to some running parameter that departs from normal condition, handled easily the person control effectively to fuel cell generation, and can in time remind the operator to take the necessary control measure, to guarantee the security of operation of fuel cell generation.
Description of drawings
Embodiment by the following fuel cell generation that the present invention is had an operational factor function for monitoring can further understand purpose of the present invention, specific structural features and advantage in conjunction with the description of its accompanying drawing.Wherein, accompanying drawing is:
Fig. 1 is the basic composition schematic diagram of the prior art fuel cell that has device for controlling dynamically;
Fig. 2 is the theory diagram that the present invention has operational factor MA monitoring agency in the fuel cell generation of operational factor function for monitoring;
Fig. 3 is the circuit theory diagrams of CAN interface singlechip control panel among the present invention;
Fig. 4 is the software block diagram that the present invention works out in the single-chip microcomputer of CAN interface singlechip control panel;
Fig. 5 is the liquid crystal display screen display interface figure of one embodiment of the invention.
Embodiment
The present invention has the fuel cell generation of operational factor function for monitoring, comprise fuel cell pack and autonomous control subsystem, autonomous control subsystem comprises the hydrogen relative humidity sensor that is arranged on the hydrogen inlet pipeline, temperature sensor and pressure sensor, be arranged on the relative air humidity transducer on the air intlet pipeline, temperature sensor and pressure sensor, be arranged on cooling fluid temperature sensor and pressure sensor on the cooling fluid inlet ductwork, be arranged on hydrogen temperature transducer and pressure sensor on the hydrogen outlet pipeline, be arranged on cooling fluid temperature sensor and pressure sensor on the cooling fluid export pipeline, be arranged on air temperature sensor and pressure sensor on the air outlet slit pipeline, and the operating voltage watch-dog of fuel cell stack operation voltage and each monocell and fuel cell stack operation electric current monitor (installation site of above each transducer and watch-dog all as shown in Figure 1).Also comprise cover operational factor MA monitoring agency as shown in Figure 2, this operational factor MA monitoring agency comprises CAN bus 32, CAN interface singlechip control panel 33, liquid crystal display drive plate 34 and LCDs 35.The input of CAN bus 32 connects each selected transducer and watch-dog receives selected work operational parameter data/signal and it is transferred to CAN interface singlechip control panel 33, CAN interface singlechip control panel 33 is gathered CAN interface data/signals and the conversion of data/signal format is transferred to liquid crystal display drive plate 34, and 34 pairs of various work operational factors of liquid crystal display drive plate are carried out being transferred to after data/signal processing, the conversion LCDs 35 and driven LCDs and correctly show.
Liquid crystal display drive plate 34 among the present invention and LCDs 35 adopt the ready-made universal product, and CAN interface singlechip control panel 33 needs design voluntarily.Fig. 3 is the circuit theory diagrams of CAN interface singlechip control panel of design voluntarily in one embodiment of the invention.CAN interface singlechip control panel mainly comprises P87C591 singlechip chip, 82C250CAN bus driver chip, CAN bus interface circuit and drive plate interface circuit." D1 " is the P87C591 singlechip chip among the figure, is compatible 51 series of inner band CAN watch-dog single-chip microcomputer that PHILIPS Co. produces." N6 " is CAN bus driver chip for 82C250, and the CAN bus interface circuit is isolated by photoelectrical coupler " N3 " and " N4 ", and " N2 " is the power supply that the DC/DC module provides the CAN bus interface circuit.7805 voltage stabilizing chips " N1 " provide 5V power supply." J2 " is the interface with the LCD drive plate." J12 " connects the 24v power supply." J1 " is the CAN bus interface.The CAN bus interface circuit connects CAN bus and CAN bus driver chip, the output of CAN bus driver chip connects singlechip chip, the output of singlechip chip connects the drive plate interface circuit, and the output of drive plate interface circuit connects the input port of liquid crystal display drive plate.In singlechip chip D1, be provided with system controlling software, number, kind and the characteristics of the work operational factor of the fuel cell generation of selected required demonstration, and can mark look to the running parameter that departs from normal condition.Fig. 4 is the software block diagram that the present invention works out in the single-chip microcomputer of CAN interface singlechip control panel.CAN interface single-chip microcomputer promptly carries out data analysis after receiving the CAN data, carry out format conversion then, and the data after will changing at last send to the liquid crystal drive plate and carry out next step processing.
Below by a specific embodiment fuel cell generation that the present invention has the operational factor function for monitoring is described further.
A kind of 10KW fuel cell generation is as the dynamical system of fuel cell tourist coach.The autonomous control subsystem of this fuel cell tourist coach adopts a cover operational factor MA monitoring agency to control all states such as the operation of car load, parking, starting.The length of the LCDs in this operational factor MA monitoring agency be 27cm, width be 2.7cm, highly for 19cm, weight is 3 kilograms, is placed on tourist coach driver's the panel to make things convenient for driver's visual supervisory control.
In the present embodiment, the software of establishment is voluntarily arranged in the single-chip microcomputer in the CAN interface singlechip control panel, and what and characteristics of the various parameters of its fuel cell operation of electric power system determine that the groundwork operational factor that display screen shows comprises fuel battery voltage, fuel cell current, fuel cell pack water outlet temperature, air exit temp, hydrogen operating pressure, hydrogen cylinder pressure, cooling water pressure and monocell operating voltage etc.After these running parameters are monitored by each transducer in the electric generator using fuel battery system and watch-dog, transform through signal processing, be transferred to CAN bus singlechip control panel, be transferred to the LCD drive plate again with data mode, and driving the demonstration of LCD LCDs, displaying contents is as shown in Figure 5.
Claims (3)
1. fuel cell generation with operational factor function for monitoring, comprise fuel cell pack and autonomous control subsystem, described autonomous control subsystem comprises the hydrogen relative humidity sensor that is arranged on the hydrogen inlet pipeline, temperature sensor and pressure sensor, be arranged on the relative air humidity transducer on the air intlet pipeline, temperature sensor and pressure sensor, be arranged on cooling fluid temperature sensor and pressure sensor on the cooling fluid inlet ductwork, be arranged on hydrogen temperature transducer and pressure sensor on the hydrogen outlet pipeline, be arranged on cooling fluid temperature sensor and pressure sensor on the cooling fluid export pipeline, be arranged on air temperature sensor and pressure sensor on the air outlet slit pipeline, and the operating voltage watch-dog of fuel cell stack operation voltage and each monocell and fuel cell stack operation electric current monitor; It is characterized in that: described autonomous control subsystem also comprises a cover operational factor MA monitoring agency, this operational factor MA monitoring agency comprises the CAN bus, CAN interface singlechip control panel, liquid crystal display drive plate and LCDs, the input of CAN bus connects each selected transducer and watch-dog and receives selected work operational parameter data or signal and it is transferred to CAN interface singlechip control panel, CAN interface singlechip control panel is gathered CAN interface data or signal and data or signal format conversion is transferred to the liquid crystal display drive plate, and the liquid crystal display drive plate carries out data or signal processing to various work operational factors, being transferred to LCDs driving LCDs after the conversion correctly shows; Described CAN interface singlechip control panel mainly comprises singlechip chip, CAN bus driver chip, CAN bus interface circuit and drive plate interface circuit, its CAN bus interface circuit connects CAN bus and CAN bus driver chip, the output of CAN bus driver chip connects singlechip chip, the output of singlechip chip connects the drive plate interface circuit, and the output of drive plate interface circuit connects the input port of liquid crystal display drive plate.
2. the fuel cell generation with operational factor function for monitoring as claimed in claim 1 is characterized in that: described singlechip chip is P87C591, and described CAN bus driver chip is 82C250.
3. the fuel cell generation with operational factor function for monitoring as claimed in claim 1 or 2, it is characterized in that: be provided with system controlling software in the described singlechip chip, number, kind and the characteristics of the work operational factor of the fuel cell generation of selected required demonstration carry out data analysis and format conversion sends to the liquid crystal drive plate, and can mark look to the running parameter that departs from normal condition.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2004100680641A CN100407484C (en) | 2004-11-11 | 2004-11-11 | Fuel battery power generating system with operating parameter monitoring function |
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|---|---|---|---|
| CN2004100680641A CN100407484C (en) | 2004-11-11 | 2004-11-11 | Fuel battery power generating system with operating parameter monitoring function |
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| Publication Number | Publication Date |
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| CN1773759A CN1773759A (en) | 2006-05-17 |
| CN100407484C true CN100407484C (en) | 2008-07-30 |
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| US9160172B2 (en) * | 2011-10-12 | 2015-10-13 | General Electric Company | Systems and methods for adaptive possible power determinaton in power generating systems |
| CN105633435B (en) * | 2015-12-31 | 2018-10-02 | 北京建筑大学 | A kind of fuel cell system for vehicles and its working method |
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