CN101540407A - Fuel cell control device and method thereof - Google Patents
Fuel cell control device and method thereof Download PDFInfo
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- CN101540407A CN101540407A CN200810084670A CN200810084670A CN101540407A CN 101540407 A CN101540407 A CN 101540407A CN 200810084670 A CN200810084670 A CN 200810084670A CN 200810084670 A CN200810084670 A CN 200810084670A CN 101540407 A CN101540407 A CN 101540407A
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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 invention provides a fuel cell control device and a method thereof. The device comprises a power generation part which is an energy converter used for converting chemical energy into electric energy, a load circuit which is used for providing an electric circuit required by an external electronic device, an activation circuit which is used for the electrical transmission of signals and power required by an activation process, and a control unit which is used for control the electrical connection state of the power generation part, the external electronic device and an activation component. The method comprises the following steps that: the control unit judges whether the activation process completes; if the activation process does not complete, the activation circuit is turned on and the load circuit is turned off to perform the activation process of the power generation part through the activation circuit; if the activation process completes, the activation circuit is turned off and the load circuit is turned on to output the electric power generated by the power generation part to the external electronic device; and when the power generation device is in an off working state, the load circuit and the activation circuit are turned off to ensure that no load bridges over the power generation part.
Description
Technical field
The present invention relates to a kind of fuel cell control device and method thereof, mainly is the operating state control electric loop state according to this fuel cell.
Background technology
In existing fuel cell technology, when carrying out activation procedure, fuel cell must stop external electronic supply electric power, otherwise, must stop activation procedure during to external electronic supply electric power, interrupt the supply of electric power of activation assembly.Moreover, fuel cell in inoperative/usefulness low/do not finish when activation, if fuel cell has any load (comprise and measure the required measuring circuit load of fuel cell state), can make fuel cell produce negative potential, and then the destruction fuel cell, therefore must provide the operating state of fuel cell to judge the controlling mechanism of electric loop state.
So the present inventor urgently thinks invention and a kind of fuel cell control device and method thereof be provided, the load isolation in order to the control fuel cell makes fuel cell avoid destroyed.
Summary of the invention
The invention provides a kind of fuel cell control device and method thereof, be electrically connected with relevant activating apparatus when it can guarantee that this fuel cell carries out activation procedure and be in the state of electrical open, and output power is electrically connected with external electronic when being supplied to external electronic and be in the state of electrical open with relevant activation assembly with external electronic.Fuel cell control device of the present invention also can be established no any load (comprise and measure the required measuring circuit load of fuel cell state) cross-over connection when fuel cell is in non operating state, make fuel cell avoid destroyed.
The present invention is a kind of fuel cell control device, and this device comprises an electricity generating section, in order to chemical energy is converted to a kind of energy converter of electric energy; One load circuit, it is electrically connected this electricity generating section, is converted to the output power of specific voltage in order to the electric power that this electricity generating section is exported, and in order to the required electric power of supply external electronic; One activation loop, it is electrically connected to this electricity generating section, in order to electric transmission activation procedure required signal and electric power; An and control unit, it is electrically connected this load circuit and this activation loop, control whether this load circuit of electrically conducting this activation loop maybe of this electricity generating section in order to the output control information, make this load circuit and this activation loop produce corresponding running, carry out electric power output or carry out activation procedure or get rid of any load loop electricity generating section is extracted electric power and reach this electricity generating section of control.
The invention provides a kind of Fuel Cell Control method, this method comprises: a fuel cell is provided, and in order to carry out supply of electric power, this fuel cell comprises an electricity generating section, a control unit, a load circuit and an activation loop; This control unit is judged the behaviour in service of this electricity generating section the last time, and judges whether to finish activation procedure; Do not finish activation procedure and then open being electrically connected of this activation loop and this electricity generating section and close being electrically connected of this load circuit and this electricity generating section, in order to carry out the activation procedure of this electricity generating section via this activation loop; Having finished activation procedure and then closed being electrically connected of this activation loop and this electricity generating section and open being electrically connected of this load circuit and this electricity generating section, is that the output power of specific voltage exports external electronic in order to the power conversions that this electricity generating section is produced; And this electricity generating section is then closed being electrically connected of this load circuit and this activation loop and this electricity generating section when being in non operating state, in order to establish no any load cross-over connection in electricity generating section, avoid fuel cell to produce negative potential, and then destroy fuel cell.
For making the personnel that are familiar with this technology understand purpose of the present invention, feature and effect, now by following specific embodiment, and conjunction with figs., to the present invention illustrate in detail as after.
Description of drawings
Fig. 1 is the element associated figure of fuel cell control device of the present invention;
Fig. 2 is the thin element associated figure of portion of fuel cell control device of the present invention;
Fig. 3 is the thin element associated figure of portion of fuel cell control device of the present invention;
Fig. 4 is the flow chart of Fuel Cell Control method of the present invention.
[main element description of reference numerals]
External electronic 10
Embodiment
With reference to shown in Figure 1, be the element associated figure of fuel cell control device of the present invention, it comprises an electricity generating section 2, a control unit 4, a load circuit 6 and an activation loop 8.Thereby the feasible Selective Control that can pass through this control unit 4, selecting this electricity generating section 2 and this load circuit 6 is that electrically conducting state and this electricity generating section 2 are the electrical open state with this activation loop 8, in order to electric power transfer to an external electronic 10 that this electricity generating section 2 is exported; Or selecting this electricity generating section 2 and this load circuit 6 is that electrical open state and this electricity generating section 2 are the electrically conducting state with this activation loop 8, in order to carry out the activation procedure of this electricity generating section 2 via this activation loop 8; Or selecting this electricity generating section 2 and this load circuit 6 is that electrical open state and this electricity generating section 2 are the electrical open state with this activation loop 8; be used for the protection of electricity generating section 2 non operating states/when usefulness is low, to establish no any load (comprising the required measuring circuit load of measurement fuel cell state) cross-over connection in electricity generating section 2.
In the aforementioned fuel cell control device of the present invention, this electricity generating section 2 is to carry out electrochemical reaction by the mea with catalytic substance and hydrogen-rich fuel and oxygen fuel, and then chemical energy is converted to a kind of energy converter of electric energy; This control unit 4 can carry out logic determines, and this control unit 4 is electrically connected this load circuit 6 and this activation loop 8, in order to have the electric information of specific definitions according to input, and the output control information corresponding is to select maybe this activation loop 8 of this this load circuit 6 of electricity generating section 2 electrically conductings, make this load circuit 6 and this activation loop 8 produce corresponding running, carry out electric power output or carry out activation procedure and reach this electricity generating section 2 of control; This load circuit 6 is the circuit with voltage transitions and electric power transfer, it is electrically connected this electricity generating section 2, be converted to the output power of specific voltage in order to the electric power that this electricity generating section 2 is exported, and required in order to supply this external electronic 10; This activation loop 8 is electrically connected to this electricity generating section 2, and in order to electric transmission activation procedure required signal and electric power, this activation loop 8 also is electrically connected to this control unit 4, produces corresponding running in order to the control information that receives this control unit 4.
In the aforementioned fuel cell control device of the present invention, this load circuit 6 further comprises one first switch 62, this first switch 62 can select to open or cut out being electrically connected of this load circuit 6 and this electricity generating section 2 according to the control information of control unit 4 electric transmission, when this first switch 62 receives the unlatching information of this control unit 4, then open being electrically connected of this load circuit 6 and this electricity generating section 2, this moment, this electricity generating section 2 can be that the output power of specific voltage is supplied to external electronic 10 with the power conversions that produces by this load circuit 6; Otherwise, when this first switch 62 receives the closing information of this control unit 4, then close being electrically connected of this load circuit 6 and this electricity generating section 2, this moment this electricity generating section 2 to stop by load circuit 6 be that the output power of specific voltage is supplied to external electronic 10 with the power conversions that produces.In addition, activation loop 8 further comprises a second switch 82 and an activation assembly 84, wherein this activation assembly 84 is electrically connected to this electricity generating section 2 by this second switch 82, this second switch 82 can select to open or close being electrically connected of this activation loop 8 and this electricity generating section 2 according to the control information that control unit 4 transmits, when this second switch 82 receives the unlatching information of this control unit 4, then open being electrically connected of this activation loop 8 and this electricity generating section 2, this moment, this activation assembly 84 carried out an activation procedure according to the control information that this control unit 4 is transmitted to this electricity generating section 2; Otherwise, when this second switch 82 receives the closing information of these control units 4, then close being electrically connected of this activation loop 8 and this electricity generating section 2, this activation assembly 84 stops activation procedure that this electricity generating section 2 is carried out at this moment.
Because the proton exchange membrane of electricity generating section 2 is in the process of mea (MEA) preparation or use for a long time and have the dehydration phenomenon, the generation of this kind situation can cause the ionic resistance of film to increase sharp, causes fuel battery performance low.Therefore this activation procedure mainly is in order to make the fuel cell membrane electrode group by this program animation proton exchange membrane and catalyst layer, to recover the situation of fuel cell the best.Yet carry out in the activation process at fuel cell, when suspending fueling, must stop fuel cell being extracted electric power, and fuel cell in inoperative/usefulness low/do not finish when activation, if fuel cell has any load (comprise and measure the required measuring circuit load of fuel cell state), can make fuel cell produce negative potential, and then destruction fuel cell, the control information that the second switch 82 that the present invention has first switch 62 of this load circuit 6 in the fuel cell of activating apparatus and this an activation loop 8 can receive this control unit 4 is controlled the unlatching in this load circuit 6 and this activation loop 8 or is closed, when fuel cell in inoperative/usefulness low/do not finish when activation, use this control device and method isolation load can make fuel cell avoid destroyed.When fuel cell is enabled, control unit 4 is judged the behaviour in service of these 2 the last times of electricity generating section, then select to enter activation procedure, this control unit 4 transmitted and opened electric information to this second switch 82 this moment, and open being electrically connected of this activation loop 8 and this electricity generating section 2, this activation assembly 84 carries out activation procedure according to the control information that this control unit 4 is transmitted to this electricity generating section 2, this control unit 4 also transmits closing information to this first switch 62 simultaneously, and close being electrically connected of this load circuit 6 and this electricity generating section 2, this moment, this electricity generating section 2 was unable to supply electric power to external electronic 10.In the process of activation; whether this control unit 4 can reach the impedance of default power bracket or electricity generating section 2 or judge according to the impedance of its mea whether this electricity generating section 2 finishes the activation start-up routine according to the electric power of electricity generating section 2 outputs; if this control unit 4 is judged this electricity generating section 2 and has been finished the activation start-up routine; then this control unit 4 transmits and closes electric information to this second switch 82; and close being electrically connected of this activation loop 8 and this electricity generating section 2; this moment, this activation assembly 84 stopped the activation procedure to this electricity generating section 2; this control unit 4 also transmits and opens electric information to this first switch 62 simultaneously; and open being electrically connected of this load circuit 6 and this electricity generating section 2; this moment, this electricity generating section 2 can be that the output power of specific voltage exports external electronic 10 to the power conversions that produces by this load circuit 6 also; be in non operating state/when the effect attitude is low when this electricity generating section 2 in addition; for establishing no any load (comprise and measure the required measuring circuit load of fuel cell state) cross-over connection in electricity generating section 2; to avoid fuel cell to produce negative potential; and then destruction fuel cell; this control unit 4 transmits closes electric information to this first switch 62 and this second switch 82; and close being electrically connected of this load circuit 6 and this activation loop 8 and this electricity generating section 2; can protect this electricity generating section 2 in non operating state; get rid of any load loop electricity generating section 2 is extracted electric power, prevent the generation of negative potential and leakage current.Mutual switching controls by this control unit 4 and first and second switch (6,8) cooperates, can fuel cell in inoperative/usefulness low/when not finishing activation, use this control device and method isolation load to make fuel cell avoid destroyed.
Moreover, with reference to shown in Figure 2, this activation assembly 84 can further comprise a certain loads 842, but the electric power that this electricity generating section 2 is exported in these certain loads 842 consume fuel cell activation programs, and the electric power transfer that this electricity generating section 2 is exported other element to this control unit 4 and this activation assembly 84 is in order to supply with the required electric power of these devices or element running.This certain loads 842 can be chosen as decides voltage loads (CV), decides current loading (CC) and decides arbitrary its load form in the ohmic load (CR), in the process of carrying out, intensify the activity of the proton exchange membrane of this electricity generating section 2 in this activation of fuel cell program.
With reference to shown in Figure 3, the aforesaid certain loads 842 of configuration in this activation assembly, if this certain loads 842 selects to use certain ohmic load (CR), should decide ohmic load and can comprise a resistive element 842a, this resistive element 842a can make this electricity generating section 2 when carrying out the activation of fuel cell program, the heat energy that this resistive element 842a is produced provides to this electricity generating section 2, quicken the lifting of these electricity generating section 2 operating temperatures, make this certain loads 842 of deciding resistance also can become the heater of this electricity generating section 2.
With reference to shown in Figure 4, be the flow chart of Fuel Cell Control method of the present invention.In the step 401, when fuel cell was enabled, control unit 4 was judged the behaviour in service of these 2 the last times of electricity generating section, and judges whether to finish activation procedure, if it is do not finish then execution in step 403 of activation procedure, opposite in step 402 if finish then execution in step 404 of activation procedure.In the step 403, for carrying out activation procedure, must stop fuel cell being extracted electric power, this control unit 4 transmits closing information to this first switch 62, and close being electrically connected of this load circuit 6 and this electricity generating section 2, this control unit 4 also transmits opens electric information to this second switch 82, and open being electrically connected of this activation loop 8 and this electricity generating section 2, this moment, this electricity generating section 2 was unable to supply electric power to external electronic 10, and this activation assembly 84 carries out activation procedure according to the control information that this control unit 4 is transmitted to this electricity generating section 2; After judge via step 401 control unit 4 whether electricity generating section 2 finishes activation procedure again, after finishing activation procedure (step 402) as this electricity generating section 2, then enter step 404, this control unit 4 is judged the operating state of this electricity generating section 2 in step 404, as if these electricity generating section 2 in running order then execution in step 406, opposite is in then execution in step 407 of non operating state as if this electricity generating section 2 in the step 405.In step 406, this activation assembly 84 should stop the activation procedure to this electricity generating section 2, and this electricity generating section 2 should be that the output power of specific voltage exports external electronic 10 to the power conversions that produces by this load circuit 6, therefore this control unit 4 transmits and closes electric information to this second switch 82, and close being electrically connected of this activation loop 8 and this electricity generating section 2, and transmit and open electric information, and open being electrically connected of this load circuit 6 and this electricity generating section 2 to this first switch 62; After judge via step 401 control unit 4 whether electricity generating section 2 finishes activation procedure again.When this electricity generating section 2 is in non operating state in step 407, this control unit 4 transmits closes electric information to this first switch 62 and this second switch 82, and close being electrically connected of this load circuit 6 and this activation loop 8 and this electricity generating section 2, establish no any load cross-over connection this moment in electricity generating section 2, avoid fuel cell to produce negative potential, and then destroy fuel cell; After judge via step 401 control unit 4 whether electricity generating section 2 finishes activation procedure again.According to the method among Fig. 4, this control unit 4 and first and second switch (6,8) mutually switching controls cooperate, can fuel cell in inoperative/usefulness low/when not finishing activation, isolate load fuel cell avoided in destruction.
Though the present invention with specific embodiment openly as above; right its disclosed specific embodiment is not in order to limit the present invention; anyly be familiar with this operator; without departing from the spirit and scope of the present invention; when being used for a variety of modifications and variations; its change of doing all belongs to category of the present invention with retouching, and protection scope of the present invention is worked as the scope person of defining who looks accompanying Claim and is as the criterion.
Claims (16)
1. fuel cell control device comprises:
One electricity generating section is in order to be converted to chemical energy a kind of energy converter of electric energy;
One load circuit, it is electrically connected this electricity generating section, is converted to the output power of specific voltage in order to the electric power that this electricity generating section is exported, and uses the required electric power of supply external electronic;
One activation loop, it is electrically connected to this electricity generating section, in order to electric transmission activation procedure required signal and electric power; And
One control unit, it is electrically connected this load circuit and this activation loop, control whether this load circuit of electrically conducting this activation loop maybe of this electricity generating section in order to the output control information, make this load circuit and this activation loop produce corresponding running, carry out electric power output or carry out activation procedure or get rid of load circuit electricity generating section is extracted electric power and reach this electricity generating section of control.
2. fuel cell control device as claimed in claim 1 is characterized in that, mea and hydrogen-rich fuel and the oxygen fuel of this electricity generating section by having catalytic substance carries out electrochemical reaction, and then chemical energy is converted to electric energy.
3. fuel cell control device as claimed in claim 1, it is characterized in that, this load circuit further comprises one first switch, and this first switch can select to open or cut out being electrically connected of this load circuit and this electricity generating section according to the control information of the electric transmission of this control unit.
4. fuel cell control device as claimed in claim 1, it is characterized in that, this activation loop further comprises a second switch, and this second switch can select to open or close being electrically connected of this activation loop and this electricity generating section according to the control information that control unit transmits.
5. fuel cell control device as claimed in claim 1, it is characterized in that, this activation loop further comprises an activation assembly, this activation assembly is electrically connected to this electricity generating section by this second switch, and this electricity generating section is carried out or stopped an activation procedure according to the control information that this control unit transmitted.
6. fuel cell control device as claimed in claim 5, it is characterized in that, this activation assembly further comprises a certain loads, the electric power transfer that this certain loads can be exported this electricity generating section is to this control unit and this activation assembly, in order to supply with the required electric power of these devices or assembly running.
7. fuel cell control device as claimed in claim 6 is characterized in that, described certain loads can be chosen as decides voltage loads, decides current loading and decide arbitrary its load form in the ohmic load.
8. fuel cell control device as claimed in claim 7, it is characterized in that this decides ohmic load can comprise a resistive element, this resistive element can provide the heat energy that produces to this electricity generating section, quicken the lifting of this electricity generating section operating temperature, become the heater of this electricity generating section.
9. Fuel Cell Control method comprises:
One fuel cell is provided, and in order to carry out supply of electric power, this fuel cell comprises an electricity generating section, a control unit, a load circuit and an activation loop;
This control unit is judged the behaviour in service of this electricity generating section the last time, and judges whether to finish activation procedure;
Do not finish activation procedure and then open being electrically connected of this activation loop and this electricity generating section and close being electrically connected of this load circuit and this electricity generating section, in order to carry out the activation procedure of this electricity generating section via this activation loop;
Having finished activation procedure and then closed being electrically connected of this activation loop and this electricity generating section and open being electrically connected of this load circuit and this electricity generating section, is that the output power of specific voltage exports external electronic in order to the power conversions that this electricity generating section is produced; And
Then close being electrically connected of this load circuit and this activation loop and this electricity generating section when this electricity generating section is in non operating state, in order to establish no any load cross-over connection, avoid fuel cell to produce negative potential, and then destroy fuel cell in electricity generating section.
10. Fuel Cell Control method as claimed in claim 9 is characterized in that, this electricity generating section is to carry out electrochemical reaction by the mea with catalytic substance and hydrogen-rich fuel and oxygen fuel, and then chemical energy is converted to electric energy.
11. Fuel Cell Control method as claimed in claim 9, it is characterized in that, this load circuit further comprises one first switch, and this first switch can select to open or cut out being electrically connected of this load circuit and this electricity generating section according to the control information of the electric transmission of this control unit.
12. Fuel Cell Control method as claimed in claim 9, it is characterized in that, this activation loop further comprises a second switch, and this second switch can select to open or close being electrically connected of this activation loop and this electricity generating section according to the control information that control unit transmits.
13. Fuel Cell Control method as claimed in claim 9, it is characterized in that, this activation loop further comprises an activation assembly, this activation assembly is electrically connected to this electricity generating section by this second switch, and this electricity generating section is carried out or stopped an activation procedure according to the control information that this control unit transmitted.
14. Fuel Cell Control method as claimed in claim 13, it is characterized in that, this activation assembly further comprises a certain loads, the electric power transfer that this certain loads can be exported this electricity generating section is to this control unit and this activation assembly, in order to supply with the required electric power of these devices or assembly running.
15. Fuel Cell Control method as claimed in claim 14 is characterized in that, this certain loads can be chosen as decides voltage loads, decides current loading and decides arbitrary its load form in the ohmic load.
16. Fuel Cell Control method as claimed in claim 15, it is characterized in that this decides ohmic load can comprise a resistor assembly, this resistor assembly can provide the heat energy that produces to this electricity generating section, quicken the lifting of this electricity generating section operating temperature, become the heater of this electricity generating section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810084670A CN101540407A (en) | 2008-03-17 | 2008-03-17 | Fuel cell control device and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810084670A CN101540407A (en) | 2008-03-17 | 2008-03-17 | Fuel cell control device and method thereof |
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| CN101540407A true CN101540407A (en) | 2009-09-23 |
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| CN200810084670A Pending CN101540407A (en) | 2008-03-17 | 2008-03-17 | Fuel cell control device and method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957327A (en) * | 2017-05-24 | 2018-12-07 | 江苏氢电新能源有限公司 | A kind of activation of fuel cell test macro of recyclable recycling electric power |
| CN109950581A (en) * | 2019-01-28 | 2019-06-28 | 江苏乾景新能源产业技术研究院有限公司 | A kind of phosphate-doped polybenzimidazoles high temperature film fuel cell membrane electrode process for rapid activation |
-
2008
- 2008-03-17 CN CN200810084670A patent/CN101540407A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957327A (en) * | 2017-05-24 | 2018-12-07 | 江苏氢电新能源有限公司 | A kind of activation of fuel cell test macro of recyclable recycling electric power |
| CN109950581A (en) * | 2019-01-28 | 2019-06-28 | 江苏乾景新能源产业技术研究院有限公司 | A kind of phosphate-doped polybenzimidazoles high temperature film fuel cell membrane electrode process for rapid activation |
| CN109950581B (en) * | 2019-01-28 | 2021-11-05 | 江苏乾景新能源产业技术研究院有限公司 | Rapid activation method for phosphoric acid doped polybenzimidazole high-temperature membrane electrode of fuel cell |
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Open date: 20090923 |