CN114256480A - Fuel cell system and control method thereof - Google Patents
Fuel cell system and control method thereof Download PDFInfo
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- CN114256480A CN114256480A CN202111559639.XA CN202111559639A CN114256480A CN 114256480 A CN114256480 A CN 114256480A CN 202111559639 A CN202111559639 A CN 202111559639A CN 114256480 A CN114256480 A CN 114256480A
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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
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
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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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of 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
- 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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- Fuel Cell (AREA)
Abstract
The invention relates to the technical field of fuel cells, and discloses a fuel cell system and a control method thereof, wherein the fuel cell system comprises: the device comprises a galvanic pile, an air inlet pipeline, an exhaust pipeline and a control unit; the air inlet pipeline is communicated with the air inlet end of the electric pile and is provided with a manual stop valve and an air inlet electromagnetic valve which are connected in parallel; the exhaust pipeline is communicated with an exhaust end of the electric pile; the control unit is electrically connected with the electric pile and can open the air inlet electromagnetic valve after being electrified. Under the initial state, the control unit does not have the electricity, can't start, and the solenoid valve that admits air can't open and admit air, and at this moment, manual opening manual stop valve, reaction gas gets into the pile through the branch road in manual stop valve place, and the pile reacts to close manual stop valve, the exhaust pipeline exhausts, and the pile produces the electric energy, and for the control unit provides the electric energy, the control unit can control the break-make of the solenoid valve that admits air on the admission pipeline.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to a fuel cell system and a control method thereof.
Background
A fuel cell is a power generation system that electrochemically converts chemical energy directly into electrical energy in a fuel cell stack, rather than converting the chemical energy of a fuel into heat by combustion. The fuel cell can be applied not only to industrial, household electric appliances and vehicles but also to power supplies of small-scale electric and electronic devices such as portable devices.
The independent power supply of the control unit is often a lithium battery, which may be dangerous in some environments (e.g., outdoors) or may not work normally when the lithium battery is dead. If the control unit does not have an independent power supply, the control unit cannot work normally, for example, the on-off of the reaction gas of the gas inlet pipeline cannot be controlled.
Disclosure of Invention
The invention discloses a fuel cell system and a control method thereof, which can normally control the on-off of reaction gas of an air inlet pipeline when a control unit has no independent power supply.
In order to achieve the purpose, the invention provides the following technical scheme:
in a first aspect, there is provided a fuel cell system comprising: the device comprises a galvanic pile, an air inlet pipeline, an exhaust pipeline and a control unit; the air inlet pipeline is communicated with the air inlet end of the electric pile and is provided with a manual stop valve and an air inlet electromagnetic valve which are connected in parallel; the exhaust pipeline is communicated with an exhaust end of the electric pile; the control unit is electrically connected with the electric pile and can open the air inlet electromagnetic valve after being electrified.
Under the initial state, the control unit does not have the electricity, can't start, and the solenoid valve that admits air can't open and admit air, and at this moment, manual opening manual stop valve, reaction gas gets into the pile through the branch road in manual stop valve place, and the pile reacts to close manual stop valve, the exhaust pipeline exhausts, and the pile produces the electric energy, and for the control unit provides the electric energy, the control unit can control the break-make of the solenoid valve that admits air on the admission pipeline. Under the normal condition, if need close fuel cell system, only need the control unit with the solenoid valve of admitting air close can, because lack reactant gas, the pile can stop work, the control unit outage, the solenoid valve of admitting air closes, gets back to initial condition, convenient and fast.
Optionally, the fuel cell system further comprises a cooling assembly capable of cooling the stack; the cooling assembly is electrically connected with the electric pile, and the control unit can also be used for opening the cooling assembly after being electrified.
Optionally, the fuel cell system further includes a relay electrically connected to the stack, and the control unit may turn on the relay after being energized and may turn off the relay after obtaining the fault signal of the cooling assembly.
Optionally, the fuel cell system further comprises a fault sensor configured to generate a fault signal when the cooling assembly fails; the control unit is in signal connection with the fault sensor and can close the air inlet electromagnetic valve after obtaining the fault signal.
Optionally, the fault sensor is a temperature sensor, is arranged in a cathode channel of the electric pile, and generates the fault signal when the detected temperature is higher than a set temperature; or, cooling module includes the fan, the convulsions end of fan with the air outlet end intercommunication of pile, fault sensor can detect when the power supply line outage of fan produces fault signal.
In a second aspect, there is provided a control method of a fuel cell system including: the device comprises a galvanic pile, a cooling assembly, an air inlet pipeline, an exhaust pipeline and a control unit; the air inlet pipeline is communicated with the air inlet end of the electric pile and is provided with a manual stop valve and an air inlet electromagnetic valve which are connected in parallel; the exhaust pipeline is communicated with an exhaust end of the electric pile; the cooling component can cool down the galvanic pile; the control unit is electrically connected with the electric pile; the method comprises the following steps: opening a manual stop valve, closing the manual stop valve, and enabling reaction gas to enter the gas inlet end of the electric pile through the gas inlet pipeline so as to electrify the control unit; and after the control unit is electrified, opening the air inlet electromagnetic valve.
The control method of the fuel cell system has the same advantages as the fuel cell system described above with respect to the prior art, and is not described herein again.
Optionally, the time interval between the opening of the manual stop valve and the closing of the manual stop valve is 1 s-2 s.
Optionally, the fuel cell system further comprises a cooling assembly capable of cooling the stack; the cooling assembly is electrically connected to the stack, the method further comprising: after the control unit is powered on, the cooling assembly is turned on.
Optionally, the fuel cell system further comprises a relay electrically connected to the stack; the method further comprises the following steps: after the control unit is electrified, the relay is switched on; when the fault signal is obtained, the relay is switched off.
Optionally, the fuel cell system further comprises a fault sensor in signal connection with the control unit and capable of generating a fault signal when the cooling assembly fails; the method further comprises the following steps: when the control unit obtains the fault signal, the intake solenoid valve is closed.
Optionally, the fault sensor is a temperature sensor, is arranged in a cathode channel of the electric pile, and generates the fault signal when the detected temperature is higher than a set temperature; or the cooling assembly comprises a fan, and the air exhaust end of the fan is communicated with the air outlet end of the electric pile; the fault sensor is capable of generating the fault signal upon detecting a loss of power to the power supply lines of the fan.
Drawings
Fig. 1 is a schematic diagram of a fuel cell system provided in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a fuel cell system provided in an embodiment of the present application may be an air-cooled fuel cell system, and the fuel cell system includes: the electric pile 5, an air inlet pipeline, an exhaust pipeline and a control unit 9; the gas inlet pipeline is communicated with a reaction gas (such as hydrogen H2) tank or a gas supply end of a reaction gas generating device to obtain reaction gas, is communicated with a gas inlet end of the electric pile 5, and is provided with a manual stop valve 3 and a gas inlet electromagnetic valve 2 (which can be a normally closed electromagnetic valve) which are connected in parallel; the exhaust pipeline is communicated with the exhaust end of the electric pile 5; the control unit 9 is electrically connected to the stack 5 and is capable of opening the intake solenoid valve 2 after being energized.
Under the initial condition, the control unit 9 does not have the power-on, can't start, the solenoid valve 2 that admits air can't open and admit air, at this moment, manually open manual stop valve 3, reactant gas gets into galvanic pile 5 through the branch road that manual stop valve 3 is located, galvanic pile 5 reacts, and close manual stop valve 3, exhaust pipe exhausts, galvanic pile 5 produces the electric energy, and for the control unit 9 provides the electric energy, the control unit 9 can be controlled the break-make of the solenoid valve 2 that admits air on the gas pipeline. Under the normal condition, if need close fuel cell system, only need control unit 9 with the solenoid valve 2 that admits air close can, owing to lack reactant gas, pile 5 can stop work, control unit 9 outage, the solenoid valve 2 that admits air closes, gets back to initial condition, convenient and fast. When residual gas remains in the intake line, the residual gas can also be released by opening the manual shut-off valve 3.
In addition, in this embodiment, the control unit 9 does not need to configure a battery as an independent power source, and completely depends on the stack 5 as an electric energy source, so that the structure is simplified, the cost is reduced, and the problem that the performance of the battery (such as a lithium battery) of the control unit is unstable in special occasions such as outdoors and the like to affect the normal operation of the fuel cell system can be avoided, when the control unit 9 has no other energy source, after the air inlet electromagnetic valve 2 is cut off, the control unit 9 can be shut down due to the power loss caused by the stop of the operation of the stack 5, and the control unit can be restored to the initial state.
Wherein, a pressure regulating valve 1 is arranged in front of an air inlet electromagnetic valve 2 on an air inlet pipeline to regulate the pressure of reaction gas to the pressure required by the reaction in a reactor 5.
In a specific embodiment, the fuel cell system further comprises a cooling assembly 6, wherein the cooling assembly 6 can cool down the electric stack 5; the cooling assembly 6 is electrically connected with the galvanic pile 5, the control unit 9 can also open the cooling assembly 6 after being electrified, and after the galvanic pile 5 works normally, the cooling assembly 6 is automatically opened under the control of the control unit 9 without manual opening.
In a specific embodiment, the fuel cell system further comprises a relay 10 electrically connected to the stack 5, and the control unit 9 is capable of switching on the relay 10 after being energized, so as to enable the relay 10 to enter an operating state for supplying power to the load for the first time after the stack 5 is normally operated, and is capable of switching off the relay 10 after obtaining a fault signal of the cooling assembly 6. The relay 10 can be connected to a load such as a rechargeable battery, and the control unit 9 can disconnect the relay 10 after obtaining a failure signal of the cooling unit 6 to prevent the rechargeable battery from being reversely charged to the stack 5 when the rechargeable battery is used as the load.
In a particular embodiment, the fuel cell system further comprises a fault sensor capable of generating a fault signal in the event of a fault in the cooling assembly 6; the control unit 9 is in signal connection with the fault sensor and is able to close the inlet solenoid valve 2 after obtaining the fault signal.
When the control unit 9 detects a fault signal, the air inlet electromagnetic valve 2 is automatically closed, and then the process is repeated to return to the initial state, so that the danger that the electric pile 5 cannot be dissipated due to heat accumulation and finally overheat is caused due to the fault of the cooling assembly 6 is avoided.
In a specific embodiment, the fault sensor is a temperature sensor 7, and is disposed in the cathode channel of the stack 5, and generates a fault signal when the detected temperature is higher than the set temperature, and the temperature of the cathode channel of the stack 5 is increased, so that it can be determined that the cooling assembly 6 is no longer working normally, i.e., is in a fault state, and cannot radiate heat to the stack 5 in time; or, the cooling assembly 6 comprises a fan, the air exhaust end of the fan is communicated with the air outlet end of the electric pile 5, the fault sensor can generate a fault signal when detecting that the power supply line of the fan is powered off, and the fan provides reactant oxygen for the cathode of the fuel cell on one hand, and cools the electric pile 5 in an air cooling mode by depending on air flow to cool the fuel cell on the other hand; when the fan is in failure and the rotating speed is too slow or stops rotating, the failure sensor generates the failure signal when detecting that the power supply circuit of the fan is powered off, and the failure of the fan is determined at the first time.
In a specific embodiment, the exhaust electromagnetic valve 4 (which may be a normally open electromagnetic valve) is arranged on the exhaust pipeline, and the control unit 9 can control the exhaust electromagnetic valve 4 to exhaust in a pulse form after the control unit 9 is powered on, so that the exhaust function is automatically realized after the galvanic pile 5 works normally; the exhaust period and frequency are controlled by the control unit 9, specifically, the exhaust solenoid valve 4 is opened for exhaust for 0.1 second, and the exhaust solenoid valve 4 is closed and stopped for 15 seconds, so as to prevent a large amount of unreacted reaction gas from being exhausted by long-time exhaust.
The electrical connection between the relay 10 and the control unit 9 and the stack 5 can be achieved by: the cell stack 5 is first electrically connected to a dc transformer 8 to stabilize the voltage generated by the cell stack 5 and to adjust the voltage to a step-down to the operating voltage of the control unit 9 and the relay 10 and the subsequent load, and the relay 10 and the control unit 9 are respectively electrically connected to the above-mentioned dc transformer 8 to obtain a stable and appropriate voltage value.
Based on the same inventive concept, embodiments of the present application further provide a control method of a fuel cell system, the fuel cell system including: the device comprises a galvanic pile 5, a cooling assembly 6, an air inlet pipeline, an exhaust pipeline and a control unit 9; the air inlet pipeline is communicated with the air inlet end of the electric pile 5 and is provided with a manual stop valve 3 and an air inlet electromagnetic valve 2 (a normally closed electromagnetic valve can be selected) which are connected in parallel; the exhaust pipeline is communicated with the exhaust end of the electric pile 5; the cooling assembly 6 can cool down the galvanic pile 5; the control unit 9 is electrically connected with the electric pile 5; the method comprises the following steps: opening the manual stop valve 3, closing the manual stop valve 3, and enabling the reaction gas to enter the gas inlet end of the electric pile 5 through the gas inlet pipeline so as to enable the control unit 9 to be electrified; after the control unit 9 is energized, the intake solenoid valve 2 is opened.
In an initial state, the control unit 9 is not powered on and cannot be started, the air inlet electromagnetic valve 2 cannot open air inlet, at the moment, the manual stop valve 3 is manually opened, reaction gas enters the electric pile 5 through a branch where the manual stop valve 3 is located, the electric pile 5 reacts, the manual stop valve 3 is immediately closed (for example, 1 s-2 s after the manual stop valve 3 is opened), the manual stop valve 3 is closed, the exhaust pipeline exhausts the gas, the electric pile 5 generates electric energy and provides the electric energy for the control unit 9, and the control unit 9 can control the on-off of the air inlet electromagnetic valve 2 on the air inlet pipeline. Under the normal condition, if need close fuel cell system, only need control unit 9 with the solenoid valve 2 that admits air close can, owing to lack reactant gas, pile 5 can stop work, control unit 9 outage, the solenoid valve 2 that admits air closes, gets back to initial condition, convenient and fast.
In addition, in this embodiment, the control unit 9 does not need to configure a battery as an independent power source, and completely depends on the stack 5 as an electric energy source, so that the structure is simplified, the cost is reduced, and the problem that the performance of the battery (such as a lithium battery) of the control unit is unstable in special occasions such as outdoors and the like to affect the normal operation of the fuel cell system can be avoided, when the control unit 9 has no other energy source, after the air inlet electromagnetic valve 2 is cut off, the control unit 9 can be shut down due to the power loss caused by the stop of the operation of the stack 5, and the control unit can be restored to the initial state.
Wherein, a pressure regulating valve 1 is arranged in front of an air inlet electromagnetic valve 2 on an air inlet pipeline to regulate the pressure of reaction gas to the pressure required by the reaction in a reactor 5.
In a specific embodiment, the time interval between opening the manual cut-off valve 3 and closing the manual cut-off valve 3 is 1s to 2 s. When the control unit 9 detects a fault signal, the inlet solenoid valve 2 is automatically closed, but the branch of the manual cut-off valve 3 is still connected, and the supply of the reaction gas cannot be closed.
In a specific embodiment, the fuel cell system further comprises a cooling assembly 6, wherein the cooling assembly 6 can cool down the electric stack 5; the cooling assembly 6 is electrically connected with the stack 5, and the method further comprises: after the control unit 9 is powered on, the cooling assembly 6 is switched on. After the normal operation of the cell stack 5, the cooling assembly 6 is automatically switched on under the control of the control unit 9, without manual switching on.
In a specific embodiment, the fuel cell system further includes a relay 10 electrically connected to the stack 5; the method further comprises the following steps: after the control unit 9 is powered on, the relay 10 is switched on, so that the relay 10 enters a working state at the first time after the electric pile 5 works normally, power is supplied to a load, and the relay 10 can be switched off after a fault signal of the cooling assembly 6 is obtained; when the fault signal is obtained, the relay 10 is cut off, the relay 10 can be connected with a load such as a rechargeable battery, and the control unit 9 can cut off the relay 10 after the fault signal of the cooling assembly 6 is obtained, so that the rechargeable battery is prevented from being used as the load, and the electric pile 5 is prevented from being reversely charged.
In a particular embodiment, the fuel cell system further comprises a fault sensor, which is in signal connection with the control unit 9 and is capable of generating a fault signal in case of a fault of the cooling assembly 6; the method further comprises the following steps: when the control unit 9 obtains the failure signal, the intake solenoid valve 2 is closed. When the control unit 9 detects a fault signal, the air inlet electromagnetic valve 2 is automatically closed, and then the air inlet electromagnetic valve returns to the initial state, so that the danger that the electric pile 5 cannot be diffused due to heat accumulation and finally overheat is caused due to the fault of the cooling assembly 6 is avoided.
In a specific embodiment, the fault sensor is a temperature sensor 7, and is disposed in the cathode channel of the stack 5, and generates a fault signal when the detected temperature is higher than the set temperature, and the temperature of the cathode channel of the stack 5 is increased, so that it can be determined that the cooling assembly 6 is no longer working normally, i.e., is in a fault state, and cannot radiate heat to the stack 5 in time; or, the cooling assembly 6 comprises a fan, the air exhaust end of the fan is communicated with the air outlet end of the electric pile 5, the fault sensor can generate a fault signal when detecting that the power supply line of the fan is powered off, and the fan provides reactant oxygen for the cathode of the fuel cell on one hand, and cools the electric pile 5 in an air cooling mode by depending on air flow to cool the fuel cell on the other hand; when the fan is in failure and the rotating speed is too slow or stops rotating, the failure sensor generates the failure signal when detecting that the power supply circuit of the fan is powered off, and the failure of the fan is determined at the first time.
In a specific embodiment, the exhaust line is provided with an exhaust solenoid valve 4 (which may be a normally open solenoid valve), and the method further includes: when the failure signal is obtained, the exhaust solenoid valve 4 is controlled to exhaust in a pulse form. The automatic exhaust function is realized after the electric pile 5 works normally; the exhaust period and frequency are controlled by the control unit 9, specifically, the exhaust solenoid valve 4 is opened for exhaust for 0.1 second, and the exhaust solenoid valve 4 is closed and stopped for 15 seconds, so as to prevent a large amount of unreacted reaction gas from being exhausted by long-time exhaust.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (11)
1. A fuel cell system, characterized by comprising: the device comprises a galvanic pile, an air inlet pipeline, an exhaust pipeline and a control unit; the air inlet pipeline is communicated with the air inlet end of the electric pile and is provided with a manual stop valve and an air inlet electromagnetic valve which are connected in parallel; the exhaust pipeline is communicated with an exhaust end of the electric pile;
the control unit is electrically connected with the electric pile and can open the air inlet electromagnetic valve after being electrified.
2. The fuel cell system of claim 1, further comprising a cooling assembly configured to cool the stack;
the cooling assembly is electrically connected with the electric pile, and the control unit can also be used for opening the cooling assembly after being electrified.
3. The fuel cell system according to claim 2, further comprising a relay electrically connected to the stack, wherein the control unit is configured to turn on the relay after being energized, and to turn off the relay after obtaining a fault signal of the cooling assembly.
4. The fuel cell system of claim 2, further comprising a fault sensor configured to generate a fault signal when the cooling assembly fails;
the control unit is in signal connection with the fault sensor and can close the air inlet electromagnetic valve after obtaining the fault signal.
5. The fuel cell system according to claim 4, wherein the fault sensor is a temperature sensor, is provided in a cathode channel of the stack, and generates the fault signal when a detected temperature is higher than a set temperature;
or, cooling module includes the fan, the convulsions end of fan with the air outlet end intercommunication of pile, fault sensor can detect when the power supply line outage of fan produces fault signal.
6. A control method of a fuel cell system, characterized in that the fuel cell system comprises: the device comprises a galvanic pile, an air inlet pipeline, an exhaust pipeline and a control unit; the air inlet pipeline is communicated with the air inlet end of the electric pile and is provided with a manual stop valve and an air inlet electromagnetic valve which are connected in parallel; the exhaust pipeline is communicated with an exhaust end of the electric pile; the control unit is electrically connected with the electric pile; the method comprises the following steps:
opening a manual stop valve, closing the manual stop valve, and enabling reaction gas to enter the gas inlet end of the electric pile through the gas inlet pipeline so as to electrify the control unit;
and after the control unit is electrified, opening the air inlet electromagnetic valve.
7. The method of claim 6, wherein the time interval between the opening of the manual shut-off valve and the closing of the manual shut-off valve is 1s to 2 s.
8. The method of claim 6, wherein the fuel cell system further comprises a cooling assembly capable of cooling the stack; the cooling assembly is electrically connected to the stack, the method further comprising:
after the control unit is powered on, the cooling assembly is turned on.
9. The method of claim 8, wherein the fuel cell system further comprises a relay electrically connected to the stack;
the method further comprises the following steps:
after the control unit is electrified, the relay is switched on;
when the fault signal is obtained, the relay is switched off.
10. The method of claim 8, wherein the fuel cell system further comprises a fault sensor in signal communication with the control unit and configured to generate a fault signal when the cooling assembly fails;
the method further comprises the following steps:
when the control unit obtains the fault signal, the intake solenoid valve is closed.
11. The method of claim 10, wherein the fault sensor is a temperature sensor and is disposed in a cathode channel of the stack and generates the fault signal when a detected temperature is greater than a set temperature;
or the cooling assembly comprises a fan, and the air exhaust end of the fan is communicated with the air outlet end of the electric pile; the fault sensor is capable of generating the fault signal upon detecting a loss of power to the power supply lines of the fan.
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| CN202111559639.XA CN114256480A (en) | 2021-12-20 | 2021-12-20 | Fuel cell system and control method thereof |
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| CN202111559639.XA CN114256480A (en) | 2021-12-20 | 2021-12-20 | Fuel cell system and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114865016A (en) * | 2022-05-27 | 2022-08-05 | 上海电气集团股份有限公司 | Fuel cell stack and shutdown method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201138672Y (en) * | 2007-11-22 | 2008-10-22 | 绍兴永利环保科技有限公司 | Proton exchange membrane fuel cell capable of automatically cutting off hydrogen protection |
| CN109728326A (en) * | 2017-10-26 | 2019-05-07 | 郑州宇通客车股份有限公司 | A kind of fuel gas system and vehicle of fuel cell |
| CN110112440A (en) * | 2018-01-31 | 2019-08-09 | 郑州宇通客车股份有限公司 | A kind of fuel cell system, control method, onboard power system and vehicle |
| CN110364754A (en) * | 2019-08-12 | 2019-10-22 | 上海电气集团股份有限公司 | The over-pressure safety device and control method of fuel cell |
| CN210852069U (en) * | 2019-09-29 | 2020-06-26 | 潍柴动力股份有限公司 | Fuel cell control system |
| CN111584899A (en) * | 2020-05-13 | 2020-08-25 | 广东国鸿氢能科技有限公司 | Control system of air-cooled fuel cell stack |
| CN112751058A (en) * | 2021-01-05 | 2021-05-04 | 一汽解放汽车有限公司 | Performance recovery device and control method thereof |
| CN112786940A (en) * | 2021-01-25 | 2021-05-11 | 上海电气集团股份有限公司 | Air cooling fuel cell power generation device |
| CN112909305A (en) * | 2021-02-22 | 2021-06-04 | 佛山仙湖实验室 | Control method for fault shutdown of hydrogen fuel cell system |
| CN113258116A (en) * | 2021-05-06 | 2021-08-13 | 上海电气集团股份有限公司 | Fuel cell stack and fuel cell system |
-
2021
- 2021-12-20 CN CN202111559639.XA patent/CN114256480A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201138672Y (en) * | 2007-11-22 | 2008-10-22 | 绍兴永利环保科技有限公司 | Proton exchange membrane fuel cell capable of automatically cutting off hydrogen protection |
| CN109728326A (en) * | 2017-10-26 | 2019-05-07 | 郑州宇通客车股份有限公司 | A kind of fuel gas system and vehicle of fuel cell |
| CN110112440A (en) * | 2018-01-31 | 2019-08-09 | 郑州宇通客车股份有限公司 | A kind of fuel cell system, control method, onboard power system and vehicle |
| CN110364754A (en) * | 2019-08-12 | 2019-10-22 | 上海电气集团股份有限公司 | The over-pressure safety device and control method of fuel cell |
| CN210852069U (en) * | 2019-09-29 | 2020-06-26 | 潍柴动力股份有限公司 | Fuel cell control system |
| CN111584899A (en) * | 2020-05-13 | 2020-08-25 | 广东国鸿氢能科技有限公司 | Control system of air-cooled fuel cell stack |
| CN112751058A (en) * | 2021-01-05 | 2021-05-04 | 一汽解放汽车有限公司 | Performance recovery device and control method thereof |
| CN112786940A (en) * | 2021-01-25 | 2021-05-11 | 上海电气集团股份有限公司 | Air cooling fuel cell power generation device |
| CN112909305A (en) * | 2021-02-22 | 2021-06-04 | 佛山仙湖实验室 | Control method for fault shutdown of hydrogen fuel cell system |
| CN113258116A (en) * | 2021-05-06 | 2021-08-13 | 上海电气集团股份有限公司 | Fuel cell stack and fuel cell system |
Non-Patent Citations (1)
| Title |
|---|
| 刘艳秋等: "氢燃料电池汽车氢系统安全防控分析", 《客车技术与研究》, no. 6, pages 13 - 16 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114865016A (en) * | 2022-05-27 | 2022-08-05 | 上海电气集团股份有限公司 | Fuel cell stack and shutdown method thereof |
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