CN112002926A - Fuel cell range extender gas supply system and control method - Google Patents
Fuel cell range extender gas supply system and control method Download PDFInfo
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- CN112002926A CN112002926A CN202010886766.XA CN202010886766A CN112002926A CN 112002926 A CN112002926 A CN 112002926A CN 202010886766 A CN202010886766 A CN 202010886766A CN 112002926 A CN112002926 A CN 112002926A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/70—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by fuel cells
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04097—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with recycling of the reactants
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04126—Humidifying
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04746—Pressure; Flow
- H01M8/04753—Pressure; Flow of fuel cell reactants
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
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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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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
Abstract
The invention discloses a fuel cell range extender gas supply system and a control method, wherein the system comprises a hydrogen supply system and an air supply system, the hydrogen supply system comprises a gas storage mechanism, a first monitoring sensor, a first adjusting mechanism, a second monitoring sensor and a first exhaust mechanism, hydrogen stored in the gas storage mechanism is adjusted to certain pressure and flow through the first adjusting mechanism and then is introduced into the anode side of a metal plate stack, the second monitoring sensor is arranged between the first adjusting mechanism and the anode side of the metal plate stack, the air supply system comprises a second adjusting mechanism, a third monitoring sensor and a second exhaust mechanism, the second adjusting mechanism adjusts air and then enters the cathode side of the metal plate stack, and the method comprises filtered air delivery and hydrogen fuel delivery; the invention can be directly used for power output and matches the corresponding output power according to the real-time requirements of the new energy automobile.
Description
Technical Field
The invention relates to the technical field of new energy electric automobiles, in particular to a fuel cell range extender gas supply system and a control method.
Background
The new energy automobile is an automobile which adopts unconventional automobile fuel as a power source, integrates advanced technologies in the aspects of power control and driving of the automobile, and is advanced in formed technical principle, has a new technology and a new structure, and is mainly divided into a hybrid electric automobile, a pure electric automobile, a fuel cell electric automobile, other new energy automobiles and the like, wherein the fuel cell range extender is used for increasing the one-time driving range of the pure electric automobile, namely, a fuel cell power generation system is additionally arranged on the pure electric automobile to serve as another energy source;
at present, most fuel cell range extenders matched with pure electric vehicles adopt graphite plate fuel cell stacks, an ordinary pressure fuel cell auxiliary system is used as a supercharger, the constant power is only output as a vehicle-mounted charger to charge a power storage battery, the constant power does not directly act on power output, the practicability is not high, although the ordinary pressure fuel cell range extenders are simple in control mode, the difficulties that the volume power density is low, the operation temperature is low, the humidification requirement is high, the system durability is poor and the like are difficult to overcome, and therefore the invention provides the fuel cell range extender air supply system and the control method to solve the problems in the prior art.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a fuel cell range extender air supply system and a control method thereof, which can be directly used for power output and match the corresponding output power according to the real-time requirement of a new energy vehicle.
In order to achieve the purpose of the invention, the invention is realized by the following technical scheme: a fuel cell range extender gas supply system and a control method thereof comprise a hydrogen supply system and an air supply system, wherein the hydrogen supply system comprises a gas storage mechanism, a first monitoring sensor, a first adjusting mechanism, a second monitoring sensor and a first exhaust mechanism, the first monitoring sensor is arranged between the gas storage mechanism and the first adjusting mechanism, hydrogen stored in the gas storage mechanism is adjusted to certain pressure and flow through the first adjusting mechanism and then is led into the anode side of a metal plate stack, and the second monitoring sensor is arranged between the first adjusting mechanism and the anode side of the metal plate stack;
the air supply system comprises a second adjusting mechanism, a third monitoring sensor and a second exhaust mechanism, the second adjusting mechanism adjusts air and then enters the cathode side of the metal plate electric pile, and the third monitoring sensor is arranged between the second adjusting mechanism and the cathode side of the metal plate electric pile.
The further improvement lies in that: the first adjusting mechanism comprises a pressure reducing valve, a first flow meter and a pressure regulating valve, the pressure reducing valve, the first flow meter and the pressure regulating valve are sequentially connected, and the second adjusting mechanism comprises a second flow meter and an air compressor.
The further improvement lies in that: the hydrogen supply system further comprises a circulating mechanism, wherein the circulating mechanism comprises a circulating pump, a one-way valve and a three-way valve, and the three-way valve is arranged in a pipeline between the first adjusting mechanism and the second monitoring sensor.
The further improvement lies in that: the hydrogen supply system further comprises a gas-liquid separation mechanism and a fourth monitoring sensor, the gas-liquid separation mechanism is respectively connected with the first exhaust mechanism and the circulation mechanism, and the fourth monitoring sensor is arranged between the anode side of the metal plate galvanic pile and the gas-liquid separation mechanism.
The further improvement lies in that: the hydrogen supply system further comprises a compensation mechanism, the compensation mechanism is arranged on two sides of the metal plate stack and comprises a gas storage tank, a first electromagnetic valve and a second electromagnetic valve.
The further improvement lies in that: the air supply system further comprises a third solenoid valve, a fourth solenoid valve, a fifth monitoring sensor and a filtering mechanism.
A control method of a fuel cell range extender gas supply system comprises the following steps:
the method comprises the following steps: filtered air delivery
The air is filtered to remove impurities through a filtering mechanism, then is pressurized by an air compressor and then is conveyed to the cathode side of the metal plate electric pile to maintain the electrochemical reaction inside the electric pile, the air discharged out of the pile is discharged into the atmosphere through a backpressure throttle valve, when the load power request changes, the air flow response is completed by the air compressor, and meanwhile, the backpressure throttle valve is matched to act to maintain the air pressure stable;
step two: hydrogen fuel delivery
Hydrogen is compressed and stored in the gas storage mechanism, the pressure of the hydrogen is reduced to-Bar through the pressure reducing valve, the pressure regulating valve is used for safely regulating the pressure of the hydrogen entering the pile, the circulation pump is used for promoting the hydrogen inside the metal plate electric pile to flow, unreacted hydrogen and water generated by reaction are brought out, liquid water is collected by the gas-liquid separation mechanism and is discharged together with trans-boundary nitrogen in the reaction through the tail gas valve in a real-time opening mode, and gaseous water and unreacted hydrogen circulate to the pile entering port.
The invention has the beneficial effects that: the invention comprises a hydrogen supply system and an air supply system, wherein filtered air with certain flow and pressure is firstly conveyed to the cathode side of a fuel cell stack by the air supply system, impurities are filtered by the air through a filtering mechanism, the air is pressurized by an air compressor and then conveyed to the cathode side of the stack to maintain the electrochemical reaction inside the stack, when the load power request changes, the air flow response is completed by the air compressor, simultaneously, a backpressure throttle valve is matched to act to maintain the air pressure stable, sufficient hydrogen fuel is provided by the hydrogen supply system and conveyed to the anode side of the fuel cell stack, the hydrogen flow inside the stack is promoted by a circulation mechanism to carry out unreacted hydrogen and water generated by the reaction, wherein liquid water is collected by a gas-liquid separation mechanism, and gaseous water and unreacted hydrogen are circulated to a stack inlet, on one hand, the hydrogen utilization rate is improved, and on the other hand, the hydrogen entering the stack is humidified, the device has the advantages that the device plays roles of recycling, humidifying hydrogen and preventing the internal water plugging of the electric pile, further prolongs the exhaust period of the tail gas valve, avoids the sudden increase of the pressure difference of two sides of the electric pile caused by exhaust to shorten the service life of a proton exchange membrane, enables the gas supply system to be directly used for power output, and matches corresponding output power according to the real-time requirement of the new energy automobile.
Drawings
FIG. 1 is a schematic view of the hydrogen gas supply system of the present invention;
fig. 2 is a schematic view of the air supply system of the present invention.
Wherein: 10. a hydrogen gas supply system; 11. a gas storage mechanism; 12. a first monitoring sensor; 13. a first adjustment mechanism; 131. a pressure reducing valve; 132. a first flow meter; 133. a pressure regulating valve; 14. a second monitoring sensor; 15. a first exhaust mechanism; 16. a circulating mechanism; 161. a circulation pump; 162. a one-way valve; 163. a three-way valve; 17. a gas-liquid separation mechanism; 18. a fourth monitoring sensor; 19. a compensation mechanism; 191. a gas storage tank; 192. a first solenoid valve; 193. a second solenoid valve; 20. an air supply system; 21. a second adjustment mechanism; 211. a second flow meter; 212. an air compressor; 22. a third monitoring sensor; 23. a second exhaust mechanism; 24. a third electromagnetic valve; 25. a fourth solenoid valve; 26. a fifth monitoring sensor; 27. a filtering mechanism; 30. and (3) a metal plate galvanic pile.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
According to fig. 1 and 2, the present embodiment provides a fuel cell range extender air supply system and a control method, including a hydrogen gas supply system 10 and an air supply system 20, the hydrogen supply system 10 comprises a gas storage mechanism 11, a first monitoring sensor 12, a first adjusting mechanism 13, a second monitoring sensor 14 and a first exhaust mechanism 15, the first monitoring sensor 12 is arranged between the gas storage mechanism 11 and the first adjusting mechanism 13, the gas storage mechanism 11 is positioned on a vehicle-mounted high-pressure steel cylinder, the hydrogen storage mechanism 11 is used for storing compressed hydrogen as an energy source of the fuel cell, the hydrogen stored in the gas storage mechanism 11 is adjusted to a certain pressure and flow rate by the first adjusting mechanism 13 and then is introduced into the anode side of the metal plate electric pile 30, the second monitoring sensor 14 is arranged between the first adjusting mechanism 13 and the anode side of the metal plate galvanic pile 30 and is used for monitoring the pressure and the temperature of hydrogen led into the anode side of the metal plate galvanic pile 30;
the air supply system 20 comprises a second adjusting mechanism 21, a third monitoring sensor 22 and a second exhaust mechanism 23, the second adjusting mechanism 21 adjusts air and then enters the cathode side of the metal plate galvanic pile 30, the third monitoring sensor 22 is arranged between the second adjusting mechanism 21 and the cathode side of the metal plate galvanic pile 30, the second exhaust mechanism 23 comprises a back pressure throttle valve, stack air is exhausted into the atmosphere through the back pressure throttle valve, when a load power request changes, the second adjusting mechanism 21 completes air flow response, and meanwhile the back pressure throttle valve cooperates to maintain stable air pressure.
The first adjusting mechanism 13 includes a pressure reducing valve 131, a first flow meter 132 and a pressure regulating valve 133, the pressure reducing valve 131, the first flow meter 132 and the pressure regulating valve 133 are connected in sequence, and the second adjusting mechanism 21 includes a second flow meter 211 and an air compressor 212 for monitoring the pressure and temperature of the stack air.
The hydrogen supply system 10 further includes a circulation mechanism 16, the circulation mechanism 16 is configured to introduce the incompletely reacted hydrogen into the anode side of the metal plate stack 30 again, and a hydrogen circulation scheme is adopted to improve the hydrogen utilization rate and humidify the hydrogen entering the stack, the circulation mechanism 16 includes a circulation pump 161, a one-way valve 162 and a three-way valve 163, the three-way valve 163 is disposed in the pipeline between the first adjusting mechanism 13 and the second monitoring sensor 14, and the incompletely reacted hydrogen enters the pipeline between the first adjusting mechanism 13 and the second monitoring sensor 14 through the circulation pump 161 and the one-way valve 162 and the three-way valve 163.
The hydrogen supply system 10 further includes a gas-liquid separation mechanism 17 and a fourth monitoring sensor 18, the gas-liquid separation mechanism 17 is used for separating liquid water contained in stack gas discharged from the anode side of the metal plate stack 30, the gas-liquid separation mechanism 17 is respectively connected with the first exhaust mechanism 15 and the circulation mechanism 16, and the fourth monitoring sensor 18 is arranged between the anode side of the metal plate stack 30 and the gas-liquid separation mechanism 17.
The hydrogen gas supply system 10 further includes a compensation mechanism 19, the compensation mechanism 19 is configured to maintain the anode-side pressure of the metal plate stack 30 during parking, the compensation mechanism 19 is disposed on both sides of the metal plate stack 30, and the compensation mechanism 19 includes a gas tank 191, a first electromagnetic valve 192, and a second electromagnetic valve 193.
The air supply system 20 further includes a third solenoid valve 24, a fourth solenoid valve 25, a fifth monitoring sensor 26, and a filter mechanism 27, wherein the filter mechanism 27 is configured to filter the stack air.
A control method of a fuel cell range extender gas supply system comprises the following steps:
the method comprises the following steps: filtered air delivery
Air is filtered to remove impurities through the filtering mechanism 27, then is pressurized by the air compressor 212 and is conveyed to the cathode side of the metal plate galvanic pile 30, the electrochemical reaction inside the galvanic pile is maintained, the air discharged out of the galvanic pile is discharged into the atmosphere through the backpressure throttle valve, when the load power request changes, the air compressor 212 completes the air flow response, and meanwhile, the backpressure throttle valve is matched to act to maintain the air pressure stable;
step two: hydrogen fuel delivery
The hydrogen is compressed and stored in the gas storage mechanism 11, the pressure of the hydrogen is reduced to 2-3Bar through the pressure reducing valve 131, the pressure regulating valve 133 is used for safely regulating the pressure of the hydrogen entering the pile, the circulation pump 161 is used for promoting the hydrogen in the metal plate galvanic pile to flow, unreacted hydrogen and water generated by reaction are brought out, liquid water is collected by the gas-liquid separation mechanism 17 and is discharged together with trans-boundary nitrogen in the reaction through a tail gas valve in real time, and gaseous water and unreacted hydrogen are circulated to a pile entering port.
The fuel cell range extender air supply system and the control method thereof comprise a hydrogen supply system 10 and an air supply system 20, firstly filtered air with certain flow and pressure is delivered to the cathode side of a fuel cell stack through the air supply system 20, the air is filtered by a filtering mechanism 27 to remove impurities, then the air is pressurized by an air compressor 212 and delivered to the cathode side of the fuel cell stack to maintain the electrochemical reaction in the stack, when the load power request changes, the air compressor 212 completes the air flow response, simultaneously a backpressure throttle valve is matched to operate to maintain the air pressure stable, then sufficient hydrogen fuel is provided by the hydrogen supply system 10 and delivered to the anode side of the fuel cell stack, the circulation mechanism 16 is used for promoting the hydrogen flow in the stack to carry out unreacted hydrogen and water generated by the reaction, wherein liquid water is collected by a gas-liquid separation mechanism 17, and gaseous water and unreacted hydrogen are circulated to a stack inlet, on the one hand, the hydrogen utilization rate is improved, on the other hand, the reactor hydrogen is humidified, the effects of recycling, humidifying hydrogen and preventing the water plugging inside the reactor are achieved, the exhaust period of a tail gas valve is further prolonged, the phenomenon that the pressure difference between two sides of the reactor is increased sharply to shorten the service life of a proton exchange membrane due to exhaust is avoided, the gas supply system can be directly used for power output, and the corresponding output power is matched according to the real-time requirement of a new energy automobile.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A fuel cell range extender air supply system comprising a hydrogen gas supply system (10) and an air supply system (20), characterized in that: the hydrogen supply system (10) comprises a gas storage mechanism (11), a first monitoring sensor (12), a first adjusting mechanism (13), a second monitoring sensor (14) and a first exhaust mechanism (15), wherein the first monitoring sensor (12) is arranged between the gas storage mechanism (11) and the first adjusting mechanism (13), hydrogen stored in the gas storage mechanism (11) is adjusted to certain pressure and flow through the first adjusting mechanism (13) and then is introduced into the anode side of the metal plate galvanic pile (30), and the second monitoring sensor (14) is arranged between the first adjusting mechanism (13) and the anode side of the metal plate galvanic pile (30);
the air supply system (20) comprises a second adjusting mechanism (21), a third monitoring sensor (22) and a second exhaust mechanism (23), the second adjusting mechanism (21) adjusts air and then enters the cathode side of the metal plate galvanic pile (30), and the third monitoring sensor (22) is arranged between the second adjusting mechanism (21) and the cathode side of the metal plate galvanic pile (30).
2. The fuel cell range extender air supply system of claim 1, wherein: the first adjusting mechanism (13) comprises a pressure reducing valve (131), a first flow meter (132) and a pressure regulating valve (133), the pressure reducing valve (131), the first flow meter (132) and the pressure regulating valve (133) are sequentially connected, and the second adjusting mechanism (21) comprises a second flow meter (211) and an air compressor (212).
3. The fuel cell range extender air supply system of claim 1, wherein: the hydrogen supply system (10) further comprises a circulation mechanism (16), wherein the circulation mechanism (16) comprises a circulation pump (161), a one-way valve (162) and a three-way valve (163), and the three-way valve (163) is arranged in a pipeline between the first adjusting mechanism (13) and the second monitoring sensor (14).
4. A fuel cell range extender air supply system as claimed in claim 3, wherein: the hydrogen supply system (10) further comprises a gas-liquid separation mechanism (17) and a fourth monitoring sensor (18), the gas-liquid separation mechanism (17) is respectively connected with the first exhaust mechanism (15) and the circulation mechanism (16), and the fourth monitoring sensor (18) is arranged between the anode side of the metal plate galvanic pile (30) and the gas-liquid separation mechanism (17).
5. The fuel cell range extender air supply system of claim 1, wherein: the hydrogen supply system (10) further comprises a compensation mechanism (19), the compensation mechanism (19) is arranged on two sides of the metal plate galvanic pile (30), and the compensation mechanism (19) comprises a gas storage tank (191), a first electromagnetic valve (192) and a second electromagnetic valve (193).
6. The fuel cell range extender air supply system of claim 1, wherein: the air supply system (20) further includes a third solenoid valve (24), a fourth solenoid valve (25), a fifth monitoring sensor (26), and a filter mechanism (27).
7. A control method of a gas supply system of a fuel cell range extender is characterized by comprising the following steps:
the method comprises the following steps: filtered air delivery
Air is filtered to remove impurities through a filtering mechanism (27), then is pressurized by an air compressor (212) and is conveyed to the cathode side of a metal plate galvanic pile (30) to maintain the electrochemical reaction inside the galvanic pile, the air discharged out of the galvanic pile is discharged into the atmosphere through a backpressure throttle valve, when the load power request changes, the air flow response is completed through the air compressor (212), and meanwhile, the backpressure throttle valve is matched to act to maintain the air pressure stable;
step two: hydrogen fuel delivery
The hydrogen is compressed and stored in a gas storage mechanism (11), the pressure of the hydrogen is reduced to 2-3Bar through a pressure reducing valve (131), the pressure regulating valve (133) is used for safely regulating the pressure of the hydrogen entering the pile, a circulating pump (161) is used for promoting the hydrogen in the metal plate pile to flow, unreacted hydrogen and water generated by reaction are taken out, liquid water is collected by a gas-liquid separation mechanism (17), and is discharged by opening a tail gas valve together with trans-boundary nitrogen in the reaction in real time, and gaseous water and unreacted hydrogen circulate to a pile entering port.
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| CN202010886766.XA CN112002926A (en) | 2020-08-28 | 2020-08-28 | Fuel cell range extender gas supply system and control method |
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| CN202010886766.XA CN112002926A (en) | 2020-08-28 | 2020-08-28 | Fuel cell range extender gas supply system and control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113299943A (en) * | 2021-05-10 | 2021-08-24 | 浙江万里学院 | High-efficiency reaction battery |
| CN113299952A (en) * | 2021-05-10 | 2021-08-24 | 浙江万里学院 | Driving method of high-efficiency reaction battery |
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| CN103887538A (en) * | 2012-12-20 | 2014-06-25 | 中国科学院大连化学物理研究所 | Parking discharge control method of fuel cell system |
| CN109411784A (en) * | 2018-12-11 | 2019-03-01 | 中国重汽集团济南动力有限公司 | A kind of commercial vehicle fuel battery engines air supply system |
| CN111244506A (en) * | 2020-01-17 | 2020-06-05 | 擎能动力科技(苏州)有限公司 | New energy automobile fuel cell system, working method, hydrogen gas inlet flow calculation method and efficiency evaluation method |
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2020
- 2020-08-28 CN CN202010886766.XA patent/CN112002926A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103887538A (en) * | 2012-12-20 | 2014-06-25 | 中国科学院大连化学物理研究所 | Parking discharge control method of fuel cell system |
| CN109411784A (en) * | 2018-12-11 | 2019-03-01 | 中国重汽集团济南动力有限公司 | A kind of commercial vehicle fuel battery engines air supply system |
| CN111244506A (en) * | 2020-01-17 | 2020-06-05 | 擎能动力科技(苏州)有限公司 | New energy automobile fuel cell system, working method, hydrogen gas inlet flow calculation method and efficiency evaluation method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113299943A (en) * | 2021-05-10 | 2021-08-24 | 浙江万里学院 | High-efficiency reaction battery |
| CN113299952A (en) * | 2021-05-10 | 2021-08-24 | 浙江万里学院 | Driving method of high-efficiency reaction battery |
| CN113299943B (en) * | 2021-05-10 | 2022-07-12 | 浙江万里学院 | High-efficiency reaction battery |
| CN113299952B (en) * | 2021-05-10 | 2022-07-12 | 浙江万里学院 | Driving method of high-efficiency reaction battery |
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