CN202444020U - Portable PEMFC (Proton Exchange Membrane Fuel Cell) power supply system - Google Patents
Portable PEMFC (Proton Exchange Membrane Fuel Cell) power supply system Download PDFInfo
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- CN202444020U CN202444020U CN2012200298252U CN201220029825U CN202444020U CN 202444020 U CN202444020 U CN 202444020U CN 2012200298252 U CN2012200298252 U CN 2012200298252U CN 201220029825 U CN201220029825 U CN 201220029825U CN 202444020 U CN202444020 U CN 202444020U
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- fuel cell
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- supply system
- circuit
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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 utility model discloses a portable PEMFC (Proton Exchange Membrane Fuel Cell) power supply system, belonging to the technical field of a fuel cell battery. The power supply system comprises a hydrogen storage tank, a reducing valve, an air inlet valve, a PEMFC stack, a hydrogen circulating pump, a steam-water separator, an air evacuation valve, a storage battery, a power adjustor and a power supply system controller, wherein the power supply system is capable of monitoring the output voltage and the output current of the power supply system and the voltage and the current of the storage battery in real time through the power supply control system, is also capable of controlling the output voltage in a stable level, and carrying out alarming and breaking protection when the power supply system suffers from the faults such as undervoltage input, overvoltage output and short circuit input, thus the working stability of the power supply system is improved, and an extensive application prospect is achieved.
Description
Technical field
The utility model relates to the fuel cell technology field, relates 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.
The utility model content
The technical problem that the utility model 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 utility model is 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.
The beneficial effect of the utility model 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 utility model is done further detailed explanation.
Fig. 1 is the structured flowchart of the utility model;
Fig. 2 is the structured flowchart of power-supply system controller in the utility model;
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200298252U CN202444020U (en) | 2012-01-30 | 2012-01-30 | Portable PEMFC (Proton Exchange Membrane Fuel Cell) power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200298252U CN202444020U (en) | 2012-01-30 | 2012-01-30 | Portable PEMFC (Proton Exchange Membrane Fuel Cell) power supply system |
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| Publication Number | Publication Date |
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| CN202444020U true CN202444020U (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200298252U Expired - Fee Related CN202444020U (en) | 2012-01-30 | 2012-01-30 | Portable PEMFC (Proton Exchange Membrane Fuel Cell) power supply system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102569854A (en) * | 2012-01-30 | 2012-07-11 | 中国人民解放军63908部队 | Portable power supply system of proton exchange membrane fuel cell (PEMFC) |
| CN103595096A (en) * | 2013-11-11 | 2014-02-19 | 江苏超洁绿色能源科技有限公司 | DC/DC conversion and control system used for standby power system of proton exchange membrane fuel cell |
| CN104037436A (en) * | 2014-06-30 | 2014-09-10 | 永济新时速电机电器有限责任公司 | Locomotive fuel cell |
| CN104701556A (en) * | 2013-12-04 | 2015-06-10 | 陕西荣基实业有限公司 | Temperature-control system for hydrogen fuel cell |
| CN110224161A (en) * | 2019-06-06 | 2019-09-10 | 珠海格力电器股份有限公司 | Fuel cell system |
-
2012
- 2012-01-30 CN CN2012200298252U patent/CN202444020U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102569854A (en) * | 2012-01-30 | 2012-07-11 | 中国人民解放军63908部队 | Portable power supply system of proton exchange membrane fuel cell (PEMFC) |
| CN102569854B (en) * | 2012-01-30 | 2014-07-09 | 中国人民解放军63908部队 | Portable power supply system of proton exchange membrane fuel cell (PEMFC) |
| CN103595096A (en) * | 2013-11-11 | 2014-02-19 | 江苏超洁绿色能源科技有限公司 | DC/DC conversion and control system used for standby power system of proton exchange membrane fuel cell |
| CN103595096B (en) * | 2013-11-11 | 2016-07-13 | 江苏超洁绿色能源科技有限公司 | A kind of DC/DC for proton exchange membrane fuel cell standby power converts and controls system |
| CN104701556A (en) * | 2013-12-04 | 2015-06-10 | 陕西荣基实业有限公司 | Temperature-control system for hydrogen fuel cell |
| CN104037436A (en) * | 2014-06-30 | 2014-09-10 | 永济新时速电机电器有限责任公司 | Locomotive fuel cell |
| CN110224161A (en) * | 2019-06-06 | 2019-09-10 | 珠海格力电器股份有限公司 | Fuel cell system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20160130 |
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| EXPY | Termination of patent right or utility model |