CN100511790C - Fuel cell generating system with self-starting function - Google Patents
Fuel cell generating system with self-starting function Download PDFInfo
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- CN100511790C CN100511790C CNB2004100677117A CN200410067711A CN100511790C CN 100511790 C CN100511790 C CN 100511790C CN B2004100677117 A CNB2004100677117 A CN B2004100677117A CN 200410067711 A CN200410067711 A CN 200410067711A CN 100511790 C CN100511790 C CN 100511790C
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- 239000000446 fuel Substances 0.000 title claims abstract description 111
- 239000001257 hydrogen Substances 0.000 claims abstract description 87
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 87
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 85
- 238000003860 storage Methods 0.000 claims abstract description 28
- 239000000498 cooling water Substances 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 9
- 230000001276 controlling effect Effects 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 4
- 239000012528 membrane Substances 0.000 description 27
- 239000007800 oxidant agent Substances 0.000 description 13
- 230000001590 oxidative effect Effects 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000003487 electrochemical reaction Methods 0.000 description 4
- 230000008676 import Effects 0.000 description 4
- 150000001450 anions Chemical class 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 150000001768 cations Chemical class 0.000 description 3
- 239000012809 cooling fluid Substances 0.000 description 3
- 238000005183 dynamical system Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000020411 cell activation Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005518 electrochemistry Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
Images
Classifications
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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
Abstract
This invention relates to super starting function fuel battery powering system, which comprises five systems: hydrogen gas supply system, air supply sub-system; control sub-system; fuel battery stack energy output sub-system. The said hydrogen supply sub-system comprises two degree releasing valve, hydrogen handle exhaust terminal valve. The sub-system comprises fuel battery self-supplying system with lead storage battery, voltage adjusting module, first motor controller and second motor controller.
Description
Technical field
The present invention relates to fuel cell, relate in particular to a kind of fuel cell generation with self-starting function.
Background technology
Electrochemical fuel cell is a kind of device that hydrogen and oxidant can be changed into electric energy and product.The internal core parts of this device are membrane electrode (Membrane Electrode Assembly are called for short MEA), and membrane electrode (MEA) is made up of as carbon paper a proton exchange membrane, two porous conductive materials of film two sides folder.The catalyst that contains the initiation electrochemical reaction of even tiny dispersion on two boundary faces of film and carbon paper is as the metal platinum catalyst.The membrane electrode both sides can electrochemistry will take place with conductive body to be sent out and answers the electronics that generates in the process, draws by external circuit, constitutes current circuit.
At the anode tap of membrane electrode, fuel can pass porousness diffusion material (carbon paper) by infiltration, and electrochemical reaction takes place on catalyst surface, lose electronics, form cation, cation can pass proton exchange membrane by migration, arrives the other end cathode terminal of membrane electrode.At the cathode terminal of membrane electrode, contain the gas of oxidant (as oxygen), as air, pass porousness diffusion material (carbon paper), and the generation electrochemical reaction obtains electronics on catalyst surface, forms anion by infiltration.The cation of coming in the anion and the anode tap migration of cathode terminal formation reacts, and forms product.
Adopting hydrogen is fuel, and the air that contains oxygen is in the Proton Exchange Membrane Fuel Cells of oxidant (or pure oxygen is an oxidant), and fuel hydrogen has just produced hydrogen cation (or being proton) in the catalytic electrochemical reaction of anode region.Proton exchange membrane helps the hydrogen cation to move to the cathodic region from the anode region.In addition, proton exchange membrane is separated the air-flow and the oxygen containing air-flow of hydrogen fuel, they can not mixed mutually and produces explosion type reaction.
In the cathodic region, oxygen obtains electronics on catalyst surface, forms anion, and moves the hydrogen cation reaction of coming, reaction of formation product water with the anode region.In the Proton Exchange Membrane Fuel Cells that adopts hydrogen, air (oxygen), anode reaction and cathode reaction can be expressed in order to following equation:
Anode reaction: H
2→ 2H
++ 2e
Cathode reaction: 1/2O
2+ 2H
++ 2e → H
2O
In typical Proton Exchange Membrane Fuel Cells, membrane electrode (MEA) generally all is placed in the middle of the pole plate of two conductions, and quarter is milled by die casting, punching press or machinery in the surface that every guide plate contacts with membrane electrode, and formation is the guiding gutter of one or more at least.These guide plates can be the pole plates of metal material, also can be the pole plates of graphite material.Fluid duct on these guide plates and guiding gutter import fuel and oxidant the anode region and the cathodic region on membrane electrode both sides respectively.In the structure of a Proton Exchange Membrane Fuel Cells monocell, only there is a membrane electrode, the membrane electrode both sides are respectively the baffler of anode fuel and the baffler of cathode oxidant.These bafflers are both as current collector plate, and also as the mechanical support on membrane electrode both sides, the guiding gutter on the baffler acts as a fuel again and enters the passage of anode, cathode surface with oxidant, and as the passage of taking away the water that generates in the fuel cell operation process.
In order to increase the gross power of whole Proton Exchange Membrane Fuel Cells, two or more monocells can be connected into battery pack or be unified into battery pack by the mode that tiles usually by straight folded mode.In straight folded, in-line battery pack, can there be guiding gutter on the two sides of a pole plate, and wherein one side can be used as the anode guide face of a membrane electrode, and another side can be used as the cathode diversion face of another adjacent membranes electrode, and this pole plate is called bipolar plates.A series of monocell connects together by certain way and forms a battery pack.Battery pack tightens together by front end-plate, end plate and pull bar usually and becomes one.
A typical battery stack generally includes: the water conservancy diversion import and the flow-guiding channel of (1) fuel and oxidant gas are distributed to fuel (hydrogen-rich gas that obtains as hydrogen, methyl alcohol or methyl alcohol, natural gas, gasoline) and oxidant (mainly being oxygen or air) in the guiding gutter of each anode, cathode plane equably after reforming; (2) import and export and the flow-guiding channel of cooling fluid (as water) are evenly distributed to cooling fluid in each battery pack inner cooling channel, and the heat absorption that hydrogen in the fuel cell, the exothermic reaction of oxygen electrochemistry are generated is also taken battery pack out of and dispelled the heat; (3) outlet of fuel and oxidant gas and corresponding flow-guiding channel, fuel gas and oxidant gas are when discharging, and portability goes out the liquid that generates in the fuel cell, the water of steam state.Usually, the import and export of all fuel, oxidant, cooling fluid are all opened on the end plate of fuel battery or on two end plates.
Proton Exchange Membrane Fuel Cells (PEMFC) can be used as the dynamical system of delivery vehicles such as all cars, ship, can be used as portable, fixed Blast Furnace Top Gas Recovery Turbine Unit (TRT) again.Proton Exchange Membrane Fuel Cells is as car, ship power system or movable type/stationary power generation station the time, general is fuel with hydrogen, air is an oxidant, and requires the net power of output not wait according to the difference of purposes, and general net power output requires from several kilowatts to hundreds of kilowatt.
Fuel cell generation generally is made up of following components: (1) fuel cell pack; (2) fuel hydrogen supply subsystem; (3) air supply subsystem; (4) circulation cooling heat dissipation subsystem; (5) automatically control and electric energy output subsystem.Whole fuel cell generation other parts except fuel cell pack also can be referred to as the fuel cell operation back-up system.
For continuation, security reliability operation and the required effective power of outside output that guarantees fuel cell pack, must provide enough air to fuel cell, hydrogen and recirculated cooling water (adopting anti-icing fluid winter), therefore provide air air blast or compressor, provide water pump, radiator fan and the electromagnetically operated valve of power and fuel cell stack operation back-up systems self such as other control and monitor component also must consume certain power to recirculated cooling water (anti-icing fluid).Wherein topmost power consumption parts are air blast (or compressor), water pump and radiator.The consumed power of electromagnetically operated valve and other control and monitor component is a very little part just.
Adopting air blast approximately is 10% of pile output gross power for the fuel cell system gross power that its operation back-up system self is consumed when the specified net power of system is exported of air, and air blast and water pump can adopt slow-start, required starting power is very little, therefore can realize self-starting fully.And adopt air compressor to account for about 20% of pile output gross power greatly for the fuel cell system gross power that its operation back-up system self is consumed when the specified net power of system is exported of air, and it is very big that air compressor starts required power, therefore realizes that self-running difficulty increases relatively.
Present most Proton Exchange Membrane Fuel Cells electricity generation system must have external power source when beginning to start, this external power source can be a storage battery, or power taking from the electrical network.Help the fuel cell generation starting until stable operating state after fuel cell generation is in stable operating state by the time, switches to the fuel cell self power supply again.When fuel cell generation was used as car, ship power system or vehicular power generation station, above-mentioned two kinds of external power sources had unsurmountable technological deficiency:
1. power taking from the electrical network: not feasible to vehicle fuel battery dynamical system, marine fuel cell power systems, for fixed or portable fuel cell generation also very inconvenience, just basic fail to start when grid power blackout.
2. adopt the storage battery starting: just must in system, install many group power supply storage batteries when adopting the storage battery starting additional, increase the complexity of system.For tens kilowatts of fuel cell generations to hundreds of kilowatt, the starting battery consumption that is complementary with it is also very huge, increased the cost of system, and system weight increases huge, for vehicle fuel battery dynamical system and marine fuel cell power systems, storage battery has been occupied a large amount of spaces, has increased assembly difficulty, and the increase of weight has reduced the economy of fuel.
Shanghai supernatural power scientific ﹠ technical corporation patent " a kind of fuel cell generation " (patent No.: 03209953.3) provide a kind of method with automatic starting gear, the fuel cell generation of this band automatic starting gear comprises fuel cell pack, fuel hydrogen supply subsystem, air supply subsystem, cooling heat dissipation subsystem, control and electric energy output subsystem and automatic starting gear automatically.This technology only need be carried once the self-starting that can realize fuel cell generation to two joint power, volumes, storage battery that weight is very little.Its schematic diagram as shown in Figure 1.Among Fig. 1,4. high pressure hydrogen tank, 2. the air delivery pump, 1. fuel cell pack, 8. hydrogen supply electromagnetically operated valve, 31. air gas supply electromagnetic valves, 12. hydrogen steam traps, 32. atmospheric vapour separators, 33. air are discharged choke valve, 41. hydrogen recycle pumps, 15. cooling waters (liquid) case, 16. cooling waters (liquid) circulating pump, 17. radiators, 51. pile output loadings, 30. air reducing valves, 7. hydrogen pressure-reducing valve.But this technology also has following technological deficiency:
Some automatic starting gears have been increased extraly, for example small air pump, air pump electromagnetically operated valve.These devices not only cause the complexity of whole fuel cell generation, make price increase, and when fuel cell generation during as car, ship power system applies, occupied the useful space valuable on car, the ship, have reduced the dynamic efficiency of car, ship.
Summary of the invention
Purpose of the present invention be exactly provide in order to overcome the defective that above-mentioned prior art exists a kind of simple in structure, cost is lower, the fuel cell generation with self-starting function of dependable performance.
Purpose of the present invention can be achieved through the following technical solutions: a kind of fuel cell generation with self-starting function, this system is become by following five groups of subsystems: (1) hydrogen supply subsystem, (2) air supply subsystem, (3) cooling heat dissipation subsystem, (4) control subsystem, (5) fuel cell pack electric energy output subsystem; Described hydrogen supply subsystem comprises the high-pressure hydrogen storing jar, hydrogen jar hand stop valve, hydrogen charging valve, the one-level high-pressure pressure-reducing valve, the hydrogen supply electromagnetically operated valve, the hydrogen humidifier, the hydrogen steam-water separator, hydrogen regular discharge electromagnetically operated valve and connecting tube, described air supply subsystem comprises high pressure blower, air humidifier and connecting tube, described cooling heat dissipation subsystem comprises the cooling water storage tank, cooling water circulating pump, cooling water radiator, cooling water storage tank draining valve and connecting tube, described control subsystem comprises central controller, this central controller centralized control hydrogen supply electromagnetically operated valve, hydrogen regular discharge electromagnetically operated valve, radiator fan, high pressure blower, the unlatching of cooling water circulating pump with close down, and by the high pressure blower under the normal operation of this central controller controls and the discharging frequency of cooling water circulating pump rotating speed of motor and hydrogen regular discharge electromagnetically operated valve, described fuel cell pack electric energy output subsystem comprises fuel cell external load system, and this external load system comprises contactor and external load; It is characterized in that, described hydrogen supply subsystem also comprises secondary low-pressure relief valve, hydrogen manual drain break valve, described fuel cell pack electric energy output subsystem also comprises the fuel cell self electric power system, this self electric power system comprises storage battery, voltage regulating module, first electric machine controller, second electric machine controller, high pressure blower under described first motor controller controls starting and the running status, the cooling water circulating pump under described second motor controller controls starting and the running status.
Described cooling water radiator has radiator fan.
Also comprise first contactor, second contactor, the 3rd contactor, described central controller is controlled the open and close of hydrogen supply electromagnetically operated valve by controlling first contactor, control the open frequency and the drain time of hydrogen regular discharge electromagnetically operated valve by controlling second contactor, control the open and close of radiator fan by controlling the 3rd contactor.
Described central controller by first electric machine controller, second electric machine controller to the unlatching of high pressure blower, cooling water circulating pump with close down and motor speed is controlled.
Described secondary low-pressure relief valve is located between hydrogen supply electromagnetically operated valve and the hydrogen humidifier.
Described hydrogen manual drain break valve is located on the fuel cell pack hydrogen outlet pipeline, and in parallel with the hydrogen steam-water separator.
Described voltage regulating module one end links to each other with the fuel cell pack both positive and negative polarity, and the other end links to each other with storage battery.
The two-way DC/DC voltage regulating module of described voltage regulating module.
Described storage battery is the 24V storage battery.
Compared with prior art, the present invention has adopted a single group low tension battery and has mated the self-starting that the more original parts of fuel cell have promptly been realized system, it has saved original starting device that also must special setting except storage battery, so the present invention has the advantage of simple in structure, low cost of manufacture, dependable performance.
Description of drawings
Fig. 1 is the structural representation of existing fuel cell generation;
Fig. 2 is a structural representation of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and the specific embodiments, the invention will be further described.
As shown in Figure 2, a kind of fuel cell generation with self-starting function, this system is become by following five groups of subsystems: (1) hydrogen supply subsystem, (2) air supply subsystem, (3) cooling heat dissipation subsystem, (4) control subsystem, (5) fuel cell pack electric energy output subsystem.Described hydrogen supply subsystem comprises high-pressure hydrogen storing jar 4, hydrogen jar hand stop valve 6, hydrogen charging valve 5, one-level high-pressure pressure-reducing valve 7, hydrogen supply electromagnetically operated valve 8, secondary low-pressure relief valve 9, hydrogen humidifier 10, hydrogen steam-water separator 11, hydrogen regular discharge electromagnetically operated valve 12, hydrogen manual drain break valve 13 and connecting tube, described secondary low-pressure relief valve 9 is located between hydrogen supply electromagnetically operated valve 8 and the hydrogen humidifier 10, described hydrogen manual drain break valve 13 is located on the fuel cell pack 1 hydrogen outlet pipeline, and in parallel with hydrogen steam-water separator 11; Described air supply subsystem comprises high pressure blower 2, air humidifier 3 and connecting tube; Described cooling heat dissipation subsystem comprises cooling water storage tank 14, cooling water circulating pump 15, cooling water radiator 16, cooling water storage tank draining valve 17 and connecting tube, and described cooling water radiator 16 has radiator fan; Described control subsystem comprises central controller 20, the unlatching of these central controller 20 centralized control hydrogen supply electromagnetically operated valves 8, hydrogen regular discharge electromagnetically operated valve 12, high pressure blower 3, cooling water circulating pump 15 with close down, and by the high pressure blower 2 under the normal operation of this central controller 20 controls and the discharging frequency of cooling water circulating pump 15 rotating speed of motor and hydrogen regular discharge electromagnetically operated valve 12; Described fuel cell pack electric energy output subsystem comprises fuel cell external load system, the fuel cell self electric power system, described external load system comprises contactor 26 and external load, described self electric power system comprises 24V storage battery 19, two-way DC/DC voltage regulating module 18, first electric machine controller 21, second electric machine controller 22, described two-way DC/DC voltage regulating module 18 1 ends link to each other with fuel cell pack 1 both positive and negative polarity, the other end links to each other with 24V storage battery 19, high pressure blower 2 under 21 control startings of described first electric machine controller and the running status, the cooling water circulating pump 15 under 22 control startings of described second electric machine controller and the running status.
Described fuel cell generation also comprises first contactor 23, second contactor 24, the 3rd contactor 25, described central controller 20 is controlled the open and close of hydrogen supply electromagnetically operated valve 8 by control first contactor 23, control the open frequency and the drain time of hydrogen regular discharge electromagnetically operated valve 12 by controlling second contactor 24, control the radiator fan open and close of cooling water radiator 16 by controlling the 3rd contactor 25.
The unlatching of described central controller 20 by first electric machine controller 21,22 pairs of high pressure blowers 2 of second electric machine controller, cooling water circulating pump 15 with close down and motor speed is controlled.
Present embodiment is specially the vehicle-mounted fuel used to generate power battery generating system of a kind of 5-10kw, please refer to Fig. 2, and fuel cell pack is made up of 100 monocells, and open circuit voltage is about 100V, and operating voltage range is between 100V～50V.All electromagnetically operated valves, radiator fan and control power supply are all provided by two-way DC/DC or 24V storage battery.Two-way DC/DC one end links to each other with the fuel cell both positive and negative polarity, and the other end links to each other with the 24V storage battery.The blower motor controller directly links to each other with fuel cell both positive and negative polarity and two-way DC/DC high-pressure side both positive and negative polarity with the pump motor controller, and air blast and pump motor are a kind of dc brushless motors that adapts with fuel cell output voltage.The start-stop of the start-stop of the switching of all electromagnetically operated valves, air blast and water pump and speed governing, radiator fan is all by the central controller centralized control.In the fuel cell unstart, the 24V storage battery can boost to air blast and water pump required voltage by two-way DC/DC, and after the fuel cell activation success, fuel battery voltage oppositely is depressurized to the 24V accumulators by two-way DC/DC and carries out floating charge.
Present embodiment fuel cell generation self-starting step:
Fuel cell generation after shutdown reaches certain hour since in the fuel cell pack with the hydrogen pipeline in hydrogen fuel approach exhaustion all, whole system is not to extraneous or to the ability of the power consumption device power supply of supporting fuel cell generation.All electromagnetically operated valves all are in normally off, and the open circuit voltage that shows fuel cell pack 1 is zero.
Open high pressure hydrogen tank hand stop valve 6, regulate one-level high-pressure pressure-reducing valve 7 to required pressure, connect battery feed and power to central controller, central controller adopts the starting that powers on.Regulate secondary low-pressure relief valve 9 to pile operating pressure (also can set up the position that pile moves required pressure in advance), the starting of central controller controls hydrogen supply electromagnetically operated valve 8 and hydrogen regular discharge electromagnetically operated valve 12.Two-way DC/DC rises to air blast and starting mode of pump required voltage with the 24V battery tension, and by central controller instruction starting air blast and water pump, the fuel cell electrode both sides are full of hydrogen and air, fuel cell is set up voltage, and returns for storage battery and other 24V power consumption equipment and control assembly by two-way DC/DC.The fuel cell activation success.
After the fuel cell generation operation is normal, the external load front end contactor that closes, fuel cell begins to power to external load.
The present invention is adapted to the self-starting at all vehicle fuel battery electricity generation systems, marine fuel battery generating system, fixed and vehicular power generation station etc.
Claims (5)
1. fuel cell generation with self-starting function, this system is become by following five groups of subsystems: (1) hydrogen supply subsystem, (2) air supply subsystem, (3) cooling heat dissipation subsystem, (4) control subsystem, (5) fuel cell pack electric energy output subsystem; Described hydrogen supply subsystem comprises the high-pressure hydrogen storing jar, hydrogen jar hand stop valve, hydrogen charging valve, the one-level high-pressure pressure-reducing valve, the hydrogen supply electromagnetically operated valve, the hydrogen humidifier, the hydrogen steam-water separator, hydrogen regular discharge electromagnetically operated valve and connecting tube, described air supply subsystem comprises high pressure blower, air humidifier and connecting tube, described cooling heat dissipation subsystem comprises the cooling water storage tank, cooling water circulating pump, cooling water radiator, cooling water storage tank draining valve and connecting tube, described control subsystem comprises central controller, this central controller centralized control hydrogen supply electromagnetically operated valve, hydrogen regular discharge electromagnetically operated valve, high pressure blower, the unlatching of cooling water circulating pump with close down, and by the high pressure blower under the normal operation of this central controller controls and the discharging frequency of cooling water circulating pump rotating speed of motor and hydrogen regular discharge electromagnetically operated valve, described fuel cell pack electric energy output subsystem comprises fuel cell external load system, and this external load system comprises contactor and external load; It is characterized in that, described hydrogen supply subsystem also comprises secondary low-pressure relief valve, hydrogen manual drain break valve, described fuel cell pack electric energy output subsystem also comprises the fuel cell self electric power system, this self electric power system comprises storage battery, voltage regulating module, first electric machine controller, second electric machine controller, high pressure blower under described first motor controller controls starting and the running status, the cooling water circulating pump under described second motor controller controls starting and the running status; Also comprise first contactor, second contactor, the 3rd contactor, described central controller is controlled the open and close of hydrogen supply electromagnetically operated valve by controlling first contactor, control the open frequency and the drain time of hydrogen regular discharge electromagnetically operated valve by controlling second contactor, control the open and close of radiator fan by controlling the 3rd contactor; Described secondary low-pressure relief valve is located between hydrogen supply electromagnetically operated valve and the hydrogen humidifier; Described hydrogen manual drain break valve is located on the fuel cell pack hydrogen outlet pipeline, and in parallel with the hydrogen steam-water separator; Described voltage regulating module one end links to each other with the fuel cell pack both positive and negative polarity, and the other end links to each other with storage battery.
2. a kind of fuel cell generation with self-starting function according to claim 1 is characterized in that described cooling water radiator has radiator fan.
3. a kind of fuel cell generation according to claim 1 with self-starting function, it is characterized in that, described central controller by first electric machine controller, second electric machine controller to the unlatching of high pressure blower, cooling water circulating pump with close down and motor speed is controlled.
4. a kind of fuel cell generation with self-starting function according to claim 1 is characterized in that, described voltage regulating module is two-way DC/DC voltage regulating module.
5. a kind of fuel cell generation with self-starting function according to claim 1 is characterized in that described storage battery is the 24V storage battery.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100677117A CN100511790C (en) | 2004-11-02 | 2004-11-02 | Fuel cell generating system with self-starting function |
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|---|---|---|---|
| CNB2004100677117A CN100511790C (en) | 2004-11-02 | 2004-11-02 | Fuel cell generating system with self-starting function |
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| CN1770525A CN1770525A (en) | 2006-05-10 |
| CN100511790C true CN100511790C (en) | 2009-07-08 |
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| CN111900445A (en) * | 2020-08-05 | 2020-11-06 | 强伟氢能科技有限公司 | A refrigerating system for methanol-water reforming electricity generation |
| CN112615027A (en) * | 2020-12-07 | 2021-04-06 | 国网北京市电力公司 | Fuel cell power generation vehicle and ignition method thereof |
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2004
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