CN101685869B - Device and method for stabilizing fuel battery - Google Patents
Device and method for stabilizing fuel battery Download PDFInfo
- Publication number
- CN101685869B CN101685869B CN2008102114266A CN200810211426A CN101685869B CN 101685869 B CN101685869 B CN 101685869B CN 2008102114266 A CN2008102114266 A CN 2008102114266A CN 200810211426 A CN200810211426 A CN 200810211426A CN 101685869 B CN101685869 B CN 101685869B
- Authority
- CN
- China
- Prior art keywords
- voltage
- fuel cell
- galvanic
- temperature
- predetermined
- 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.)
- Expired - Fee Related
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 invention relates to a device for stabilizing a fuel battery and a stabilizing method thereof. The device comprises a direct-current voltage converter, a direct-current voltage detector, an output current regulation module, a voltage judgment module, a temperature detector and a first condition judgment module. The direct-current voltage converter is used for converting direct current generated by the fuel battery into output electric power. The direct-current voltage detector is used for detecting the voltage of the direct current. The output current regulation module is used for regulating the current of the output electric power according to the voltage of the direct current. The voltage judgment module is used for judging whether the voltage of the direct current exceeds a protective voltage of the fuel battery. The temperature detector is used for detecting the temperature of the fuel battery. The first condition judgment module is used for judging whether the voltage of the direct current and the temperature of the fuel battery satisfy a first predetermined condition when the voltage of the direct current is higher than the protective voltage of the fuel battery.
Description
Technical field
The invention relates to a kind of control device of fuel cell, and particularly a kind of fuel cell stabilizing arrangement and antihunt means.
Background technology
The energy is the power resources of all economic activities, and is closely bound up with socio-economic development.Up to now; There are fossil energy (like oil, natural gas and coal etc.), nuclear energy, waterpower, underground heat and solar energy etc. in the source of global energy; The ratio that is wherein occupied with fossil energy is the highest, secondly is nuclear energy, and the ratio that is occupied as for waterpower, underground heat and solar energy etc. is then quite low.Fossil energy is after burning; Can produce carbon dioxide, nitrogen oxide, oxysulfide and hydrocarbon etc.; In the past under the situation of economic pursuit growth simply; Cause serious air pollution and greenhouse effect because of a large amount of the use, how suppressing greenhouse gas emission becomes the international problem of very being concerned about.
Fuel cell is the new generation technology beyond the generation technologies such as wind-force, waterpower, firepower, nuclear energy and solar energy; It is a kind of TRT; It neither produce heat with fuel combustion like internal combustion engine and come work done unlike the same storage unit that can only serve as electric energy of traditional first and second battery, is to use electrochemical principle; Directly the chemical energy in the fuel is converted into electric energy and discharges water outlet and the device of heat energy; Pollution is slight and energy conversion efficiency is high, and its required fuel mainly is " hydrogen ", and hydrogen is classified as new forms of energy at present.This lacks the mankind that perplex to receiving the environmental pollution and the energy deeply, not less than a kind of desirable new forms of energy are provided.
Yet fuel cell still has some shortcomings and bottleneck to need to break through.The direct current less stable that general fuel cell is produced.In view of this, need a kind of stabilizing arrangement of fuel cell and the antihunt means of fuel cell.
Summary of the invention
Technical problem to be solved by this invention provides a kind of fuel cell stabilizing arrangement.
Another object of the present invention provides a kind of fuel cell antihunt means.
To achieve these goals; According to one embodiment of the invention; The present invention provides a kind of fuel cell stabilizing arrangement, and it comprises dc voltage changer, direct voltage detector, output current regulation module, voltage judge module, temperature detecting device and first condition judge module.Dc voltage changer is in order to convert the direct current that fuel cell produced into output power.The direct voltage detector is in order to detect this galvanic voltage.Output current regulation module is adjusted the electric current of output power in order to according to galvanic voltage.The voltage judge module is in order to judge whether this galvanic voltage surpasses the protection voltage of this fuel cell.The temperature detecting device is in order to detect the temperature of this fuel cell.The first condition judge module is in order to when this galvanic voltage is higher than the protection voltage of this fuel cell; Whether the temperature of judging this galvanic voltage and this fuel cell satisfies one first predetermined condition; Wherein this first predetermined condition is higher than one first predetermined voltage for this galvanic voltage; And the temperature of this fuel cell is lower than a predetermined temperature, and wherein this first predetermined voltage is higher than this protection voltage.
To achieve these goals, according to another embodiment of the present invention, the present invention also provides a kind of fuel cell antihunt means, comprises a plurality of steps.At first, the direct current that fuel cell produced is seen through dc voltage changer and convert output power into.Then, detect this galvanic voltage.Then, according to galvanic voltage, the electric current of adjustment output power.Then, judge whether this galvanic voltage surpasses the protection voltage of this fuel cell.Then, detect the temperature of this fuel cell.Then; When this galvanic voltage is higher than the protection voltage of this fuel cell; Whether the temperature of judging this galvanic voltage and this fuel cell satisfies one first predetermined condition; Wherein this first predetermined condition is higher than one first predetermined voltage for this galvanic voltage, and the temperature of this fuel cell is lower than a predetermined temperature, and wherein this first predetermined voltage is higher than this protection voltage.
The present invention compared with prior art has tangible advantage and beneficial effect.By technique scheme, the present invention can reach suitable technological progress property and practicality, and has the advantage of steady fuel battery.
In sum; Fuel cell stabilizing arrangement of the present invention and fuel cell antihunt means; Have the characteristics of current of adjusting output power according to galvanic voltage, and can this fuel cell stabilizing arrangement and fuel cell antihunt means be used in suitable sport technique segment.The present invention has above-mentioned plurality of advantages and practical value, no matter it all has bigger improvement on product structure or function, obvious improvement is arranged technically, and has produced handy and practical effect.
Below will detailed description be done in above-mentioned explanation and ensuing execution mode, and explanation further is provided with various embodiment to the present invention.
Description of drawings
For letting said and other purpose of the present invention, characteristic, advantage and the embodiment can be more obviously understandable, the detailed description of appended accompanying drawing be following:
Fig. 1 is the functional block diagram according to a kind of fuel cell stabilizing arrangement of one embodiment of the invention;
Fig. 2 is the flow chart according to a kind of fuel cell stabilizing arrangement of another embodiment of the present invention;
Fig. 3 is the flow chart according to a kind of fuel cell stabilizing arrangement of yet another embodiment of the invention.
[primary clustering symbol description]
100: fuel cell stabilizing arrangement 110: fuel cell
120: dc voltage changer 140: the fuel recycle unit
150: direct voltage detector 155: the direct current detector
160: temperature detecting device 170: the output voltage detector
175: output current detector 180: energy storage component
210: voltage judge module 215: the voltage protection module
220: protection timing module 225: restart module
230: 235: the first electric current judge modules of first condition judge module
245: 250: the second electric current judge modules of second condition judge module
255: buffering timing module 260: output current regulation module
270: fuel recycle control module 302-320: step
Embodiment
In order to make narration of the present invention more detailed and complete, can be with reference to following accompanying drawing and various embodiment, identical number is represented same or analogous assembly in the accompanying drawing.On the other hand, well-known circuit unit is not described among the embodiment, with the restriction of avoiding causing the present invention unnecessary.
Please with reference to Fig. 1, it is the functional block diagram according to a kind of fuel cell stabilizing arrangement 100 of one embodiment of the invention.Among Fig. 1, fuel cell 110 can be Proton Exchange Membrane Fuel Cells (PEMFC), alkaline fuel cell (AFC), phosphoric acid fuel cell (PAFC), molten carbonate fuel cell (DMFC), solid-oxide fuel cell (SOFC), DMFC (MCFC) or other fuel cell.
In the present embodiment, fuel cell stabilizing arrangement 100 comprises fuel recycle unit 140 and fuel recycle control module 270.Fuel recycle unit 140 is used for fuel supplying, water and air to fuel cell 110.Fuel recycle control module 270 is used for controlling the circulation and the supply of fuel, water and air.140 supplied fuel in fuel recycle unit mainly are hydrogen; Its source thing can comprise coal, oil, natural gas, compressed petroleum gas, methyl alcohol, ethanol (alcohol), methane, the electrolysis of water, biogas ... In hydrocarbon; Through behind the recombining reaction; Take out a large amount of hydrogen as fuel, in addition, this fuel system is good for pure hydrogen.Fuel and air without burning, but with electrochemical reactive mode, through hydrogen in the fuel and airborne combination with oxygen Cheng Shui, let chemical energy directly change electric energy into 110 li of fuel cells.In brief, this is the backward reaction of a water electrolysis process.And remaining fuel also can be sent fuel recycle unit 140 back to by fuel cell 110.The water that fuel recycle unit 140 is supplied; Can eliminate the heat that fuel cell 110 is discharged; Electrochemical reaction and reaction temperature thereof are stable carries out so as to keeping, and fuel cell 110 also can be back to 140 recyclings of fuel recycle unit through the water that electrochemical reaction produced.
Because fuel cell 110 produces the direct current less stable after electrochemical reaction, in the present embodiment, fuel cell stabilizing arrangement 100 also comprises dc voltage changer 120.Dc voltage changer 120 converts in order to the direct current that fuel cell 100 is produced and supplies stable output power, and wherein the voltage of this output power is fixed.Whereby, dc voltage changer 120 can provide stable output power to load 190.
Please continue with reference to Fig. 1, operate under the best power output state in order to make fuel cell, fuel cell stabilizing arrangement 100 also comprises direct voltage detector 150 and output current regulation module 260.In the present embodiment, the galvanic voltage that direct voltage detector 150 is produced in order to detecting fuel cell 110.Output current regulation module 260 is adjusted the electric current of above-mentioned output power in order to according to this galvanic voltage.For instance,, just increase the output current of dc voltage changer 120,, just reduce the output current of dc voltage changer 120 if when the voltage of fuel cell 110 reduces if when the voltage of fuel cell 110 increases.Whereby, change the galvanic voltage of fuel cell indirectly, fuel cell is operated under the best power output state.
Yet in general, the state of fuel cell 110 is very unstable.Therefore, must follow the trail of the state of fuel cell 110, continue control dc voltage changer 120.
In view of this, please continue with reference to Fig. 1, fuel cell stabilizing arrangement 100 also comprises voltage judge module 210 and voltage protection module 215.In the present embodiment; Whether voltage judge module 210 surpasses the protection voltage of fuel cell 110 in order to the galvanic voltage of judging fuel cell 110 and being produced; Wherein this protection voltage is to define at following the maximum voltage that can supply of safe condition according to the different fuel battery; Certainly, its protection voltage of different fuel battery possibly be not quite similar, and the same type fuel cell then decides the protection voltage of this type fuel cell according to the quantity of mea.When voltage protection module 215 is lower than the protection voltage of fuel cell 110 in order to the galvanic voltage that is produced at fuel cell 110, close dc voltage changer 120.Whereby, avoid the galvanic voltage that fuel cell 110 produced surpassing under its state that can load, and cause the damage of fuel cell 110 own.
In addition, fuel cell stabilizing arrangement 100 also comprises protection timing module 220 and restarts module 225.In the present embodiment, when protection timing module 220 surpassed above-mentioned protection voltage in order to the galvanic voltage that is produced at fuel cell 110, the characteristic of fuel cell 110 was calculated the segment protect time.In this guard time, the galvanic voltage that fuel cell 110 is produced should drop to and is lower than above-mentioned protection voltage.Restart module 225 in order to after this guard time, restart dc voltage changer 120, dc voltage changer 120 converts the direct current that fuel cell 100 is produced into output power.
Among Fig. 1, fuel cell stabilizing arrangement 100 also comprises temperature detecting device 160.In the present embodiment, temperature detecting device 160 is in order to the temperature of detecting fuel cell 100.Should be appreciated that, the characteristic of fuel cell 110, the galvanic voltage that fuel cell 110 is produced is relevant with the temperature of fuel cell 110.
In view of this, operate under normal voltage and temperature in order to ensure fuel cell 110, fuel cell stabilizing arrangement 100 also comprises first condition judge module 230, direct current detector 155 and the first electric current judge module 235.In the present embodiment; When first condition judge module 230 is higher than the protection voltage of fuel cell 110 in order to the galvanic voltage that is produced at fuel cell 110 or after restarting dc voltage changer 120; Whether the temperature of judging galvanic voltage that fuel cell 110 is produced and fuel cell 110 first predetermined condition; Wherein first predetermined condition is that the galvanic voltage that produced of fuel cell 110 is greater than first predetermined voltage; And the temperature of fuel cell 110 is lower than predetermined temperature, and wherein predetermined temperature is the temperature that the characteristic of fuel cell 110 sets.In addition, first predetermined voltage should be set at the protection voltage greater than fuel cell 110.So, mean that voltage was lower, then be not suitable for taking out excessive electric current, otherwise fuel cell 110 can collapse when the temperature of fuel cell 110 was low.
Excessive in order to prevent the galvanic electric current that fuel cell 110 produced under first predetermined condition.In the present embodiment, the galvanic electric current that direct current detector 155 is produced in order to detecting fuel cell 110.When the first electric current judge module 235 satisfies this first predetermined condition in order to the temperature of the galvanic voltage that produced at fuel cell 110 and fuel cell 110, judge whether galvanic electric current that fuel cell 110 is produced surpasses the rated current of fuel cell 110.Certainly, its rated current of different fuel battery possibly be not quite similar, and the same type fuel cell then decides the rated current of this type fuel cell according to the quantity of mea.
On the other hand, when fuel cell 110 temperature were high, voltage can be higher, so electric current takes out when some more, and the voltage that fuel cell 110 is descended can not surpass the point of protecting of collapse.Therefore, fuel cell stabilizing arrangement 100 also can comprise the second condition judge module 245 and the second electric current judge module 250.In the present embodiment; Second condition judge module 245 is during in order to above-mentioned first predetermined condition of the temperature unmet of the galvanic voltage that produced at fuel cell 110 and fuel cell 110; Whether the temperature of judging galvanic voltage that fuel cell 110 is produced and fuel cell 110 second predetermined condition; Wherein second predetermined condition is that the galvanic voltage that fuel cell 110 is produced is higher than second predetermined voltage; And the temperature of fuel cell 110 is higher than above-mentioned predetermined temperature, and wherein second predetermined voltage should be set at less than the first above-mentioned predetermined voltage and greater than the protection voltage of fuel cell 110.
Excessive in order to prevent the galvanic electric current that fuel cell 110 produced under second predetermined condition.In the present embodiment, the galvanic electric current that current sense device 155 is produced in order to detecting fuel cell 110.When the second electric current judge module 250 satisfies this second predetermined condition in order to the temperature of the galvanic voltage that produced at fuel cell 110 and fuel cell 110, judge whether galvanic electric current that fuel cell 110 is produced surpasses the rated current of fuel cell 110.
For fuel cell 100 is operated under the best power output state, fuel cell stabilizing arrangement 100 also comprises buffering timing module 255.In the present embodiment; When buffering timing module 255 is lower than the rated current of fuel cell 110 in order to the galvanic electric current that is produced at fuel cell 110; The characteristic of fuel cell 110 is calculated one period buffer time, and wherein visual real system state adjusts this buffer time.Output current regulation module 255 can be passed through after this buffer time, the electric current of the output power of adjustment dc voltage changer 120.Whereby, change the galvanic voltage of fuel cell indirectly, fuel cell is operated under the best power output state.
It should be noted that; Above-mentioned voltage judge module 210, voltage protection module 215, protection timing module 220, restart module 225, first condition judge module 230, the first electric current judge module 235, second condition judge module 245, the second electric current judge module 250, buffering timing module 255, output current regulation module 260 and fuel recycle control module 270; Its execution mode may be selected to be software program or hardware circuit; Visual design is at that time selected its execution mode that is suitable for elasticity of demand ground, does not need to be all simultaneously software program or is all hardware circuit.In the present embodiment; Voltage judge module 210, voltage protection module 215, protection timing module 220, restart module 225, first condition judge module 230, the first electric current judge module 235, electric current protection module 240 second condition judge modules 245, the second electric current judge module 250, buffering timing module 255, output current regulation module 260 and fuel recycle control module 270, it can be integrated in the microprocessor 130.
In addition, in order to measure the power output of dc voltage changer 120, fuel cell stabilizing arrangement 100 also can comprise output voltage detector 170 and output current detector 175.In the present embodiment, output voltage detector 170 is in order to the voltage of the output power of detecting dc voltage changer 120.Output current detector 175 is in order to the electric current of the output power of detecting dc voltage changer 120.Whereby, can calculate the power output of dc voltage changer 120 according to the voltage and the electric current of the output power of dc voltage changer 120.
In addition, when dc voltage changer 120 is closed, there is not supply of electric power to give load 190.Fuel cell stabilizing arrangement 100 also comprises energy storage component 180.In the present embodiment, energy storage component 180 saves as electric energy in order to the output power with the part of dc voltage changer 120.It should be noted that if dc voltage changer 120 is when being closed energy storage component 180 can be given load 190 with the supply of electrical energy that stores in advance.In practical application, but energy storage component 180 can be the assembly of battery, electric capacity or other store electrical energy.
In order to make narration of the present invention more detailed and complete, please with reference to Fig. 2, it is the flow chart according to a kind of fuel cell antihunt means 200 of another embodiment of the present invention.Among Fig. 2, at first, in step 302, with the direct current that fuel cell produced, see through dc voltage changer and convert output power into, wherein the voltage of output power is fixed.In step 318: the detecting galvanic voltage that fuel cell produced, and according to this galvanic voltage, the electric current of adjustment output power.For instance, when increasing, just increase the output current of dc voltage changer, when reducing, just reduce the output current of dc voltage changer as if fuel cell voltage as if fuel cell voltage.Whereby, change the galvanic voltage of fuel cell indirectly, fuel cell is operated under the best power output state.
Yet in general, the state of fuel cell is very unstable.Therefore, must follow the trail of the state of fuel cell, continue the control dc voltage changer.In view of this, the Fig. 3 that below will arrange in pairs or groups comes more specifically to explain the execution mode of these fuel cell antihunt means.
Please,, judge whether this galvanic voltage surpasses the protection voltage of this fuel cell in step 304 with reference to Fig. 3.Then, in step 306, when this galvanic voltage is lower than the protection voltage of fuel cell, close this dc voltage changer.Whereby, the galvanic voltage of avoiding fuel cell to produce is surpassing under its state that can load, and causes the damage of fuel cell itself.
Then, in step 308, when this galvanic voltage surpasses this protection voltage, calculate the segment protect time, and judge whether to surpass this guard time.In this guard time, the galvanic voltage that this fuel cell produced should drop to and is lower than above-mentioned protection voltage.After this guard time, in step 310, restart this dc voltage changer, this dc voltage changer converts the direct current that this fuel cell produced into output power.
Should be appreciated that, the characteristic of fuel cell, the galvanic voltage that fuel cell produced is relevant with the temperature of fuel cell.Therefore, in step 310, restart after the dc voltage changer, or in step 304, judging this galvanic voltage surpasses after the protection voltage of this fuel cell.Operate under normal voltage and temperature in order to ensure this fuel cell.In step 312; Detect the temperature of this fuel cell; And the temperature of judging this galvanic voltage and this fuel cell first predetermined condition whether; Wherein the galvanic for this reason voltage of this first predetermined condition is higher than first predetermined voltage, and the temperature of this fuel cell is lower than predetermined temperature, and wherein this predetermined temperature is the temperature that the characteristic of fuel cell sets.In addition, this first predetermined voltage should be set at the protection voltage that is higher than this fuel cell.So, mean that voltage was lower, then be not suitable for taking out excessive electric current, otherwise fuel cell 110 can collapse when the temperature of fuel cell 110 was low.
In addition, excessive for the anti-galvanic electric current that fuel cell produced here, then,, detect this galvanic electric current, and judge whether this galvanic electric current surpasses the rated current of this fuel cell in step 314.
On the other hand; If when in step 312, judging this first predetermined condition of temperature unmet of this galvanic voltage and this fuel cell; In order further to confirm that normally whether this fuel cell voltage and temperature; In step 320, whether the temperature of judging this galvanic voltage and this fuel cell second predetermined condition, and wherein the galvanic for this reason voltage of this second predetermined condition is higher than second predetermined voltage; And the temperature of this fuel cell is higher than above-mentioned predetermined temperature, and wherein this second predetermined voltage should be set at less than the first above-mentioned predetermined voltage and be higher than this protection voltage.So, mean when fuel cell 110 temperature are high that voltage can be higher, so electric current takes out when some more, the voltage that fuel cell 110 is descended can not surpass the protection point of collapse.
In addition, excessive for the anti-galvanic electric current that fuel cell produced here, then,, detect this galvanic electric current, and judge whether this galvanic electric current surpasses the rated current of this fuel cell in step 314.
If in step 314, detect this galvanic electric current when being lower than the rated current of this fuel cell.Then, in step 316, the characteristic of fuel cell is calculated one period buffer time, and judges whether to surpass this buffer time, and wherein visual real system state adjusts this buffer time.After this buffer time,, adjust the electric current of the output power of this dc voltage changer in step 318.Whereby, change the galvanic voltage of fuel cell indirectly, fuel cell is operated under the best power output state.
In addition, in order to measure the power output of this dc voltage changer, the fuel cell antihunt means also can comprise: voltage and the electric current of detecting this output power.Whereby, can calculate the power output of dc voltage changer according to the voltage and the electric current of the output power of dc voltage changer.
In addition, when this dc voltage changer is closed, there is not supply of electric power to give load.The fuel cell antihunt means also can comprise: this output power of a part is saved as electric energy.When if this dc voltage changer is closed, can give load with this supply of electrical energy.In practical application, can use energy storage component to store this electric energy, but wherein this energy storage component can be the assembly of battery, electric capacity or other store electrical energy.
In addition, in the present embodiment, the fuel cell antihunt means also can comprise: provide fuel, water and air to this fuel cell, and the circulation and the supply of control fuel, water and air.Whereby, this fuel cell with hydrogen in the fuel and airborne combination with oxygen Cheng Shui, lets chemical energy directly change electric energy into electrochemical reactive mode.
Though the present invention discloses as above with embodiment; Right its is not in order to limit the present invention; Anyly be familiar with this technological personnel; Do not breaking away from the spirit and scope of the present invention, when can doing various changes and retouching, so protection scope of the present invention is as the criterion when looking the scope that accompanying Claim defines.
Claims (10)
1. a fuel cell stabilizing arrangement is characterized in that, comprises:
One direct current electric pressure converter converts an output power in order to the direct current that a fuel cell is produced, and wherein the voltage of this output power is fixed;
One direct current detecting voltage device is in order to this galvanic voltage of detecting;
One output current regulation module in order to according to this galvanic voltage, is adjusted the electric current of this output power;
Whether one voltage judge module surpasses the protection voltage of this fuel cell in order to judge this galvanic voltage;
One temperature detecting device is in order to detect the temperature of this fuel cell; And
One first condition judge module; In order to when this galvanic voltage is higher than the protection voltage of this fuel cell; Whether the temperature of judging this galvanic voltage and this fuel cell satisfies one first predetermined condition; Wherein this first predetermined condition is higher than one first predetermined voltage for this galvanic voltage, and the temperature of this fuel cell is lower than a predetermined temperature, and wherein this first predetermined voltage is higher than this protection voltage.
2. fuel cell stabilizing arrangement according to claim 1 is characterized in that, also comprises:
One voltage protection module in order to when this galvanic voltage is lower than the protection voltage of this fuel cell, is closed this dc voltage changer;
One protection timing module when protecting voltage in order to surpass this at this galvanic voltage, calculates a guard time; And
One restarts module, in order to after this guard time, restarts this dc voltage changer.
3. fuel cell stabilizing arrangement according to claim 2 is characterized in that, also comprises:
The DC current detector is in order to this galvanic electric current of detecting; And
One first electric current judge module when satisfying this first predetermined condition in order to the temperature at this galvanic voltage and this fuel cell, judges whether this galvanic electric current surpasses the rated current of this fuel cell.
4. fuel cell stabilizing arrangement according to claim 3 is characterized in that, also comprises:
One second condition judge module; In order to when this first predetermined condition of temperature unmet of this galvanic voltage and this fuel cell; Whether the temperature of judging this galvanic voltage and this fuel cell satisfies one second predetermined condition; Wherein this second predetermined condition is higher than one second predetermined voltage for this galvanic voltage, and the temperature of this fuel cell is higher than this predetermined temperature, and wherein this second predetermined voltage is less than this first predetermined voltage and greater than this protection voltage; And
One second electric current judge module when satisfying this second predetermined condition in order to the temperature at this galvanic voltage and this fuel cell, judges whether this galvanic electric current surpasses the rated current of this fuel cell.
5. fuel cell stabilizing arrangement according to claim 4 is characterized in that, also comprises:
One buffering timing module in order to when this galvanic electric current is lower than the rated current of this fuel cell, calculates a buffer time, and wherein this output current regulation module is adjusted the electric current of this output power again in order to through after this buffer time.
6. fuel cell antihunt means is characterized in that, comprise:
The direct current that one fuel cell is produced converts output power into through a direct current electric pressure converter, and wherein the voltage of this output power is fixed;
Detect this galvanic voltage;
According to this galvanic voltage, adjust the electric current of this output power;
Judge whether this galvanic voltage surpasses the protection voltage of this fuel cell;
Detect the temperature of this fuel cell; And
When this galvanic voltage is higher than the protection voltage of this fuel cell; Whether the temperature of judging this galvanic voltage and this fuel cell satisfies one first predetermined condition; Wherein this first predetermined condition is higher than one first predetermined voltage for this galvanic voltage; And the temperature of this fuel cell is lower than a predetermined temperature, and wherein this first predetermined voltage is higher than this protection voltage.
7. fuel cell antihunt means according to claim 6 is characterized in that, also comprise:
When this galvanic voltage is lower than the protection voltage of this fuel cell, close this dc voltage changer;
When this galvanic voltage surpasses this protection voltage, calculate a guard time; And
After this guard time, restart this dc voltage changer.
8. fuel cell antihunt means according to claim 7 is characterized in that, also comprise:
Detect this galvanic electric current; And
When the temperature of this galvanic voltage and this fuel cell satisfies this first predetermined condition, judge whether this galvanic electric current surpasses the rated current of this fuel cell.
9. fuel cell antihunt means according to claim 8 is characterized in that, also comprise:
When this first predetermined condition of temperature unmet of this galvanic voltage and this fuel cell; Whether the temperature of judging this galvanic voltage and this fuel cell satisfies one second predetermined condition; Wherein this second predetermined condition is higher than one second predetermined voltage for this galvanic voltage; And the temperature of this fuel cell is higher than this predetermined temperature, and wherein this second predetermined voltage is less than this first predetermined voltage and be higher than this protection voltage; And
When the temperature of this galvanic voltage and this fuel cell satisfies this second predetermined condition, judge whether this galvanic electric current surpasses the rated current of this fuel cell.
10. fuel cell antihunt means according to claim 9 is characterized in that, also comprise:
When this galvanic electric current is lower than the rated current of this fuel cell, calculate a buffer time; And
Through after this buffer time, adjust the electric current of this output power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102114266A CN101685869B (en) | 2008-09-22 | 2008-09-22 | Device and method for stabilizing fuel battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102114266A CN101685869B (en) | 2008-09-22 | 2008-09-22 | Device and method for stabilizing fuel battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101685869A CN101685869A (en) | 2010-03-31 |
| CN101685869B true CN101685869B (en) | 2012-05-23 |
Family
ID=42048910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102114266A Expired - Fee Related CN101685869B (en) | 2008-09-22 | 2008-09-22 | Device and method for stabilizing fuel battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101685869B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111682759B (en) * | 2020-04-20 | 2023-09-22 | 珠海格力电器股份有限公司 | Fuel cell DC-DC converter operation control method, computer readable storage medium and fuel cell |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307735A (en) * | 1998-06-25 | 2001-08-08 | 丰田自动车株式会社 | Fuel cell system and cell control method |
| CN1346759A (en) * | 2001-10-25 | 2002-05-01 | 财团法人工业技术研究院 | Electric power output control system for electric vehicle with combined fuel battery |
| CN1352484A (en) * | 2001-11-15 | 2002-06-05 | 北京机电研究所 | Voltage converter for electric automobile fuel battery unit |
| CN1877481A (en) * | 2005-06-08 | 2006-12-13 | 胜光科技股份有限公司 | Method for controlling power output of fuel cell |
-
2008
- 2008-09-22 CN CN2008102114266A patent/CN101685869B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307735A (en) * | 1998-06-25 | 2001-08-08 | 丰田自动车株式会社 | Fuel cell system and cell control method |
| CN1346759A (en) * | 2001-10-25 | 2002-05-01 | 财团法人工业技术研究院 | Electric power output control system for electric vehicle with combined fuel battery |
| CN1352484A (en) * | 2001-11-15 | 2002-06-05 | 北京机电研究所 | Voltage converter for electric automobile fuel battery unit |
| CN1877481A (en) * | 2005-06-08 | 2006-12-13 | 胜光科技股份有限公司 | Method for controlling power output of fuel cell |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101685869A (en) | 2010-03-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8364287B2 (en) | Apparatus, system, and method to manage the generation and use of hybrid electric power | |
| CN103259031B (en) | One proton exchanging film fuel battery starts and halt control method | |
| KR101441489B1 (en) | Fuel cell system and driving method thereof | |
| CN204289610U (en) | A kind of cogenerator of solar energy-reversible fuel cell | |
| CN101071864A (en) | Vehicular fuel cell hybrid power device | |
| CN111564647B (en) | Power supply system of methanol water hydrogen fuel cell and control method thereof | |
| CN204497336U (en) | Multikilowatt fuel cell lithium ion battery hybrid power device | |
| CN2893940Y (en) | Generative energy and fuel battery coupling power generator | |
| CN115084580B (en) | Renewable energy in-situ energy storage system and method based on reversible solid oxide battery | |
| CN106704815A (en) | Self-supported hydrogen refueling station using renewable energy sources | |
| CN101685869B (en) | Device and method for stabilizing fuel battery | |
| CN2914456Y (en) | Stand-by power supply based on fuel cell | |
| KR101418422B1 (en) | System for independent start-up of fuel cell for ship | |
| JP5469120B2 (en) | Power generation output control system and control method for distributed power supply | |
| CN116979703A (en) | Hydrogen-electricity hybrid energy storage system and energy management method thereof | |
| CN114765269B (en) | Fuel cell energy recycling system | |
| CN210370915U (en) | System for utilize electrolysis hydrogen manufacturing and hydrogen mixed fuel to carry out thermal power plant's peak regulation | |
| KR20160139492A (en) | - Fuel Cell Engine Hybrid Power Generation System for Distributed Power Generation which has a Cooling device | |
| CN104485466A (en) | Portable fuel cell power supply for household appliance | |
| Ondrejička et al. | Fuel cells as backup power supply for production processes | |
| TWI362137B (en) | Apparatus and method for stabilizing fuel cell | |
| CN220895558U (en) | Fuel cell device and comprehensive energy utilization system comprising same | |
| KR20200123884A (en) | Solid oxide fuel cell system using ballast water treatment system | |
| Xiaotian et al. | Research on Economy of Hydrogen Energy Storage for Nuclear Power Peak Shaving | |
| CN201219120Y (en) | Fuel cell exhaust heat recovery and utilization apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20120922 |