CN102569854A - Portable power supply system of proton exchange membrane fuel cell (PEMFC) - Google Patents
Portable power supply system of proton exchange membrane fuel cell (PEMFC) Download PDFInfo
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- CN102569854A CN102569854A CN2012100209215A CN201210020921A CN102569854A CN 102569854 A CN102569854 A CN 102569854A CN 2012100209215 A CN2012100209215 A CN 2012100209215A CN 201210020921 A CN201210020921 A CN 201210020921A CN 102569854 A CN102569854 A CN 102569854A
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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
The invention discloses a portable power supply system of a proton exchange membrane fuel cell (PEMFC), and belongs to the technical field of fuel cells. The power supply system comprises a hydrogen storage tank, a pressure reducing valve, an air inlet valve, a PEMFC stack, a hydrogen circulating pump, a steam-water separator, an exhaust valve, a storage battery, a power regulator and a power supply system controller. According to the power supply system, the output voltage and input current of the power supply system and the voltage and current of the storage battery can be monitored by a power supply control system in real time, the output voltage can be always controlled at a stable level, and when the power supply system has faults of input under voltage, output over voltage, output short circuit and the like, an alarm is sent out and a circuit is broken for protection, so that the working stability of the power supply system is improved, and the power supply system has a wide application prospect.
Description
Technical field
The present invention relates to the fuel cell technology field, relate in particular to a kind of PEMFC fuel cell power system.
Background technology
Fuel cell is a kind of TRT of efficient, energy-saving and environmental protection, is the device that the chemical energy in fuel stored and the oxidant is converted into electric energy, has the energy conversion efficiency height, the characteristics that noise is low, pollution is little, not limited by Carnot cycle.In various fuel cells, Proton Exchange Membrane Fuel Cells (PEMFC) is fuel with hydrogen, and as oxidant, product only is water, and is free from environmental pollution with oxygen or air, and noise is little, and power density is high, and start-up time is short, has vast potential for future development.But existing Proton Exchange Membrane Fuel Cells has the shortcoming of output voltage instability, job insecurity.
Summary of the invention
The technical problem that the present invention will solve provides a kind of portable PEMFC fuel cell power system, has the characteristics of output voltage stabilization, working stability.
For solving the problems of the technologies described above; The technical scheme that the present invention taked is: a kind of portable PEMFC fuel cell power system; It is characterized in that said power-supply system comprises hydrogen container, intake valve, PEMFC fuel cell pack, hydrogen recycle pump, steam-water separator, vent valve, power governor and power-supply system controller; Said PEMFC fuel cell pack comprises PEMFC fuel cell reaction heap, the cooling fan that is composed in series by a plurality of individual fuel cell, signal acquisition circuit and the working fan that can gather PEMFC fuel cell reaction heap electric current, voltage and temperature; Said hydrogen container connects the hydrogen inlet of said PEMFC fuel cell reaction heap through intake valve through pipeline; The gas outlet of said PEMFC fuel cell reaction heap is connected with said steam-water separator through the hydrogen recycle pump through pipeline; The hydrogen gas outlet of said steam-water separator is connected through the hydrogen inlet of pipeline with said PEMFC fuel cell reaction heap, and the exhaust outlet of said steam-water separator is connected with said vent valve through pipeline; Said cooling fan is connected with the heat radiation wind air inlet of said PEMFC fuel cell reaction heap, and said working fan is connected with the oxidant air inlet of said PEMFC fuel cell reaction heap; The output one tunnel of said signal acquisition circuit is connected with the input of said power-supply system controller, and another road of the output of said signal acquisition circuit is connected with the input of said power governor; The output of said power-supply system controller is connected with the control end of said intake valve, cooling fan, working fan, hydrogen recycle pump and vent valve, and said power-supply system controller is connected with said power governor is two-way.
Said power-supply system also comprises pressure-reducing valve, and said pressure-reducing valve is fixedly connected on the pipeline between said hydrogen container and the said intake valve.
Said power-supply system also comprises storage battery, and said storage battery is connected with said power governor is two-way.
Said power-supply system controller comprises single-chip minimum system; Can control that indicator light, buzzer, intake valve, vent valve, system power on, the output control circuit of load switch; Can receive the input control circuit of start button signal and shutdown button signal; Can control the D/A translation circuit of cooling fan, working fan, hydrogen recycle pump and DC/DC conversion; Can receive the A/D translation circuit of fuel cell current, fuel battery voltage, fuel battery temperature, battery current, DC bus-bar voltage, ambient temperature and fuel cell monolithic voltage, EEPROM, RS232 interface circuit and jtag interface circuit; Said single-chip minimum system comprises power circuit, clock circuit and MCU; Said output control circuit is connected with the output of said MCU with said D/A translation circuit; Said input control circuit is connected with the input of said A/D translation circuit, and said EEPROM, RS232 interface circuit and jtag interface circuit are connected with said MUC is two-way.
The model of said MCU is: ATMAGE16.
Said signal acquisition circuit comprises current sensor, voltage sensor and temperature sensor.
The model of said power governor is: CKN150-12S24.
Said intake valve and vent valve are electromagnetically operated valve.
Beneficial effect of the present invention is following: power-supply system controller in (1) said power-supply system and power governor are formed power control system.Said power control system can be monitored voltage, the electric current of output voltage, output current and the storage battery of said power-supply system in real time; Can output voltage be controlled at a maintenance level always; And when fault such as input is under-voltage, output overvoltage, output short-circuit occurring in system; Report to the police and open circuit protection, improved the stability of said power-supply system work; (2) said power control system can make the fuel supply and the exhaust emissions reliable and stable of said power-supply system according to the said intake valve of control strategy controlling and driving and the vent valve that configure; (3) said power control system is controlled the cooling fan of said fuel cell pack through the temperature of the said power-supply system of monitoring, makes the temperature of fuel cell pack maintain a lower level always; (4) said power control system can when the required oxidant of said power-supply system reliably is provided, have been realized the control to said power-supply system humidity indirectly according to the control strategy control hydrogen recycle pump and the working fan that configure; (5) said power control system can detect variation of gas pressure in the hydrogen gas tank in real time, and prompting changing hydrogen gas tank when insufficient pressure makes said power-supply system can stablize the lasting electric energy that provides.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation.
Fig. 1 is a structured flowchart of the present invention;
Fig. 2 is the structured flowchart of power-supply system controller among the present invention;
Wherein 1, pressure-reducing valve 2, intake valve 3, signal acquisition circuit 4, hydrogen recycle pump 5, steam-water separator 6, vent valve 7, cooling fan 8, working fan, 9, output control circuit 10, input control circuit 11, D/A translation circuit 12, A/D translation circuit.
Embodiment
Shown in Fig. 1-2; A kind of portable PEMFC fuel cell power system; Said power-supply system comprises hydrogen container, pressure-reducing valve 1, intake valve 2, PEMFC fuel cell pack, hydrogen recycle pump 4, steam-water separator 5, vent valve 6, storage battery, power governor and power-supply system controller, and the model of said power governor is: CKN150-12S24; Said intake valve 2 is an electromagnetically operated valve with vent valve 6.
Said PEMFC fuel cell pack comprises PEMFC fuel cell reaction heap, the cooling fan 7 that is composed in series by a plurality of individual fuel cell, signal acquisition circuit 3 and the working fan 8 that can gather PEMFC fuel cell reaction heap electric current, voltage and temperature.Said hydrogen container connects the hydrogen inlet of said PEMFC fuel cell reaction heap successively through pressure-reducing valve 1, intake valve 2 through pipeline.The gas outlet of said PEMFC fuel cell reaction heap is connected with said steam-water separator 5 through hydrogen recycle pump 4 through pipeline.The hydrogen gas outlet of said steam-water separator 5 is connected through the hydrogen inlet of pipeline with said PEMFC fuel cell reaction heap, and the exhaust outlet of said steam-water separator 5 is connected with said vent valve 6 through pipeline.Said cooling fan 7 is connected with the heat radiation wind air inlet of said PEMFC fuel cell reaction heap, and said working fan 8 is connected with the oxidant air inlet of said PEMFC fuel cell reaction heap.The output one tunnel of said signal acquisition circuit 3 is connected with the input of said power-supply system controller, and another road of the output of said signal acquisition circuit 3 is connected with the input of said power governor.The output of said power-supply system controller is connected with the control end of vent valve 6 with said intake valve 2, cooling fan 7, working fan 8, hydrogen recycle pump 4; Said power-supply system controller is connected with said power governor is two-way, and said storage battery is connected with said power governor is two-way.
Said power-supply system controller comprises single-chip minimum system; Can control that indicator light, buzzer, intake valve 2, vent valve 6, system power on, the output control circuit 9 of load switch; Can receive the input control circuit 10 of start button signal and shutdown button signal; Can control the D/A translation circuit 11 of cooling fan 7, working fan 8, hydrogen recycle pump 4 and DC/DC conversion; Can receive the A/D translation circuit 12 of fuel cell current, fuel battery voltage, fuel battery temperature, battery current, DC bus-bar voltage, ambient temperature and fuel cell monolithic voltage, EEPROM, RS232 interface circuit and jtag interface circuit.Said single-chip minimum system comprises power circuit, clock circuit and MCU, and the model of MCU is: ATMAGE16.Said output control circuit 9 is connected with the output of said MCU with said D/A translation circuit 11; The input of said input control circuit 10 and said A/D translation circuit 12 is connected, and said EEPROM, RS232 interface circuit and jtag interface circuit are connected with said MUC is two-way.Said signal acquisition circuit comprises current sensor, voltage sensor and temperature sensor.Said power-supply system controller also can use other power-supply system controller, as long as can realize necessary function.
Said power-supply system is controlled the inner working temperature of fuel cell pack from the heat exchange structure design and fuel cell stack temperature closed-loop control two aspects of each thermal source.The fuel cell stack temperature closed-loop control adopts Fuzzy increment PID controller to realize; The temperature of said power-supply system is controlled between the 50-80 ° of C always; Make hydrogen and airborne oxygen fully to react, increased generating efficiency, improved the stability of said power-supply system.
Said power-supply system adopts the mode of hydrogen recycle to realize hydrogen humidification in the fuel cell reaction heap.During power-supply system work; Said power control system is according to the different working situation; Make said power-supply system to direction operation wet partially or that do partially through adjusting working fan 8, circulating pump 4, cooling fan 7; Control fuel cell pack humidity inside makes that the humidity in the said power-supply system is suitable, output voltage stabilization indirectly.
Said power-supply system is through self-control pressure-reducing valve 1; Realize the stable of hydrogen feed system pressure; Air pressure adopts normal pressure to supply with, and air velocity realizes through the terminal voltage of regulating working fan 8, makes that hydrogen and volume ratio, flow velocity and the pressure of air in the said fuel cell reaction heap maintains in certain reasonable range; Improve the extent of reaction of hydrogen and airborne oxidant, improved the generating efficiency of said power-supply system.
Discharging for tail gas and steam; Said power-supply system is taked to decide watt-hour and is intermittently controlled the mode of vent valve 6 and realize; Reduced the influence of steam and tail gas, improved the job stability of generating efficiency and said power-supply system said fuel cell reaction heap interior humidity.
In the process of energy management, the size of the direct voltage through detecting said power-supply system and said storage battery effectively accomplishes the energy management and the control of said fuel cell pack and said storage battery.If the direct voltage of said power-supply system surpasses the voltage reference value of storage battery, then possible system is non-loaded or system load is smaller, and storage battery is in highly charged state simultaneously, and at this moment said power-supply system gets into storage battery pressure limiting pattern (BVL).In this pattern, the output current of said power-supply system and the charging current of storage battery all should be less than its current limits.If the direct voltage of said power-supply system is lower than the reference voltage of storage battery; Then possible corresponding load is big or load is less; Storage battery is in low state-of-charge simultaneously; At this moment, said power-supply system confirms to get into fuel cell constant current mode (FCCL) or storage battery constant current mode (BCL) according to loading condition.If bearing power is lower than the peak power output of said fuel cell pack, the charging current that at this moment should adjust storage battery is with the protection storage battery.If duty ratio is bigger, the electric current of said power-supply system will increase to its limiting value, get into fuel cell pack constant current mode (FCCL).In this case, storage battery do not charge or charging current very little.If the direct voltage of said storage battery is lower than the minimum voltage value of preset storage battery, then cut off load, the protection storage battery prevents the storage battery over-discharge.
Said power-supply system has the following advantages: power-supply system controller in (1) said power-supply system and power governor are formed power control system.Said power control system can be monitored voltage, the electric current of output voltage, output current and the storage battery of said power-supply system in real time; Can output voltage be controlled at a maintenance level always; And when fault such as input is under-voltage, output overvoltage, output short-circuit occurring in system; Report to the police and open circuit protection, improved the stability of said power-supply system work.(2) said power control system can make the fuel supply and the exhaust emissions reliable and stable of said power-supply system according to the said intake valve of control strategy controlling and driving and the vent valve that configure; (3) said power control system is controlled the cooling fan of said fuel cell pack through the temperature of the said power-supply system of monitoring, makes the temperature of fuel cell pack maintain a lower level always; (4) said power control system can when the required oxidant of said power-supply system reliably is provided, have been realized the control to said power-supply system humidity indirectly according to the control strategy control hydrogen recycle pump and the working fan that configure; (5) said power control system can detect variation of gas pressure in the hydrogen gas tank in real time, and prompting changing hydrogen gas tank when insufficient pressure makes said power-supply system can stablize the lasting electric energy that provides.Comprehensive above some, said power-supply system has output voltage stabilization, characteristics that job stability is strong.
Claims (8)
1. portable PEMFC fuel cell power system; It is characterized in that said power-supply system comprises hydrogen container, intake valve (2), PEMFC fuel cell pack, hydrogen recycle pump (4), steam-water separator (5), vent valve (6), power governor and power-supply system controller; Said PEMFC fuel cell pack comprises PEMFC fuel cell reaction heap, the cooling fan (7) that is composed in series by a plurality of individual fuel cell, signal acquisition circuit (3) and the working fan (8) that can gather PEMFC fuel cell reaction heap electric current, voltage and temperature; Said hydrogen container connects the hydrogen inlet of said PEMFC fuel cell reaction heap through intake valve (2) through pipeline; The gas outlet of said PEMFC fuel cell reaction heap is connected with said steam-water separator (5) through hydrogen recycle pump (4) through pipeline; The hydrogen gas outlet of said steam-water separator (5) is connected through the hydrogen inlet of pipeline with said PEMFC fuel cell reaction heap, and the exhaust outlet of said steam-water separator (5) is connected with said vent valve (6) through pipeline; Said cooling fan (7) is connected with the heat radiation wind air inlet of said PEMFC fuel cell reaction heap, and said working fan (8) is connected with the oxidant air inlet of said PEMFC fuel cell reaction heap; The output one tunnel of said signal acquisition circuit (3) is connected with the input of said power-supply system controller, and another road of output of said signal acquisition circuit (3) is connected with the input of said power governor; The output of said power-supply system controller is connected with said intake valve (2), cooling fan (7), working fan (8), hydrogen recycle pump (4) and the control end of vent valve (6), and said power-supply system controller is connected with said power governor is two-way.
2. a kind of portable PEMFC fuel cell power system according to claim 1 is characterized in that said power-supply system also comprises pressure-reducing valve (1), and said pressure-reducing valve (1) is fixedly connected on the pipeline between said hydrogen container and the said intake valve (2).
3. a kind of portable PEMFC fuel cell power system according to claim 1 and 2 is characterized in that said power-supply system also comprises storage battery, and said storage battery is connected with said power governor is two-way.
4. a kind of portable PEMFC fuel cell power system according to claim 1; It is characterized in that said power-supply system controller comprises single-chip minimum system; Can control that indicator light, buzzer, intake valve (2), vent valve (6), system power on, the output control circuit (9) of load switch; Can receive the input control circuit (10) of start button signal and shutdown button signal; Can control the D/A translation circuit (11) of cooling fan (7), working fan (8), hydrogen recycle pump (4) and DC/DC conversion; Can receive the A/D translation circuit (12) of fuel cell current, fuel battery voltage, fuel battery temperature, battery current, DC bus-bar voltage, ambient temperature and fuel cell monolithic voltage, EEPROM, RS232 interface circuit and jtag interface circuit; Said single-chip minimum system comprises power circuit, clock circuit and MCU; Said output control circuit (9) is connected with the output of said MCU with said D/A translation circuit (11); Said input control circuit (10) is connected with the input of said A/D translation circuit (12), and said EEPROM, RS232 interface circuit and jtag interface circuit are connected with said MUC is two-way.
5. a kind of portable PEMFC fuel cell power system according to claim 4 is characterized in that the model of said MCU is: ATMAGE16.
6. a kind of portable PEMFC fuel cell power system according to claim 1 is characterized in that said signal acquisition circuit (3) comprises current sensor, voltage sensor and temperature sensor.
7. a kind of portable PEMFC fuel cell power system according to claim 1 is characterized in that the model of said power governor is: CKN150-12S24.
8. a kind of portable PEMFC fuel cell power system according to claim 1 is characterized in that said intake valve (2) and vent valve (6) are electromagnetically operated valve.
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| CN201210020921.5A CN102569854B (en) | 2012-01-30 | 2012-01-30 | Portable power supply system of proton exchange membrane fuel cell (PEMFC) |
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| CN201210020921.5A CN102569854B (en) | 2012-01-30 | 2012-01-30 | Portable power supply system of proton exchange membrane fuel cell (PEMFC) |
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| CN102569854B CN102569854B (en) | 2014-07-09 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103579651A (en) * | 2013-11-01 | 2014-02-12 | 南京双登科技发展研究院有限公司 | Portable proton-exchange membrane fuel cell power system |
| CN103972529A (en) * | 2013-02-05 | 2014-08-06 | 通用汽车环球科技运作有限责任公司 | Method For The Detection Of Fuel Cell System Short Circuits |
| CN105186016A (en) * | 2015-07-21 | 2015-12-23 | 同济大学 | Electrically controlled hydrogen-spraying pressure regulating device of fuel cell system |
| CN105730256A (en) * | 2016-02-17 | 2016-07-06 | 陆玉正 | Fuel cell electric vehicle power device with super-capacitor |
| CN106159299A (en) * | 2016-08-09 | 2016-11-23 | 江苏国泽光电科技有限公司 | A kind of method for controlling power supply of fuel cell system |
| CN106992309A (en) * | 2017-06-02 | 2017-07-28 | 苏州中氢能源科技有限公司 | The hydrogen gas feed system of fuel cell pack electricity generation system |
| CN108292768A (en) * | 2016-01-25 | 2018-07-17 | 微软技术许可有限责任公司 | Algorithm for power modulation for fuel cell-powered data center |
| CN108832159A (en) * | 2018-06-26 | 2018-11-16 | 德州新动能铁塔发电有限公司 | A kind of Fuel Cell Control System and control method |
| CN109245228A (en) * | 2018-10-19 | 2019-01-18 | 吕大明 | Large capacity hydrogen-based mobile power source |
| CN109808550A (en) * | 2019-03-15 | 2019-05-28 | 常州港华燃气有限公司 | A kind of power control system of hydrogen fuel cell model car |
| CN110053520A (en) * | 2019-05-27 | 2019-07-26 | 上海楞次新能源汽车科技有限公司 | The fuel cell control device of hydrogen fuel cell dynamical system |
| CN111933973A (en) * | 2020-07-17 | 2020-11-13 | 华中科技大学鄂州工业技术研究院 | Mixed energy management system of proton exchange membrane fuel cell |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103972529A (en) * | 2013-02-05 | 2014-08-06 | 通用汽车环球科技运作有限责任公司 | Method For The Detection Of Fuel Cell System Short Circuits |
| CN103972529B (en) * | 2013-02-05 | 2017-10-20 | 通用汽车环球科技运作有限责任公司 | Method for detecting fuel cell system short circuit |
| CN103579651B (en) * | 2013-11-01 | 2016-06-22 | 双登集团股份有限公司 | Portable proton exchange film fuel battery power-supply system |
| CN103579651A (en) * | 2013-11-01 | 2014-02-12 | 南京双登科技发展研究院有限公司 | Portable proton-exchange membrane fuel cell power system |
| CN105186016A (en) * | 2015-07-21 | 2015-12-23 | 同济大学 | Electrically controlled hydrogen-spraying pressure regulating device of fuel cell system |
| CN105186016B (en) * | 2015-07-21 | 2017-12-05 | 同济大学 | A kind of automatically controlled spray hydrogen pressure adjusting means of fuel cell system |
| CN108292768A (en) * | 2016-01-25 | 2018-07-17 | 微软技术许可有限责任公司 | Algorithm for power modulation for fuel cell-powered data center |
| CN108292768B (en) * | 2016-01-25 | 2021-11-23 | 微软技术许可有限责任公司 | Power modulation for fuel cell powered data centers |
| US11011768B2 (en) | 2016-01-25 | 2021-05-18 | Microsoft Technology Licensing, Llc | Power modulation for fuel cell powered datacenters |
| CN105730256A (en) * | 2016-02-17 | 2016-07-06 | 陆玉正 | Fuel cell electric vehicle power device with super-capacitor |
| CN106159299A (en) * | 2016-08-09 | 2016-11-23 | 江苏国泽光电科技有限公司 | A kind of method for controlling power supply of fuel cell system |
| CN106992309A (en) * | 2017-06-02 | 2017-07-28 | 苏州中氢能源科技有限公司 | The hydrogen gas feed system of fuel cell pack electricity generation system |
| CN108832159A (en) * | 2018-06-26 | 2018-11-16 | 德州新动能铁塔发电有限公司 | A kind of Fuel Cell Control System and control method |
| CN108832159B (en) * | 2018-06-26 | 2019-09-24 | 德州新动能铁塔发电有限公司 | A kind of Fuel Cell Control System and control method |
| CN109245228A (en) * | 2018-10-19 | 2019-01-18 | 吕大明 | Large capacity hydrogen-based mobile power source |
| CN109808550A (en) * | 2019-03-15 | 2019-05-28 | 常州港华燃气有限公司 | A kind of power control system of hydrogen fuel cell model car |
| CN110053520A (en) * | 2019-05-27 | 2019-07-26 | 上海楞次新能源汽车科技有限公司 | The fuel cell control device of hydrogen fuel cell dynamical system |
| CN111933973A (en) * | 2020-07-17 | 2020-11-13 | 华中科技大学鄂州工业技术研究院 | Mixed energy management system of proton exchange membrane fuel cell |
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