CN114927719A - Constant temperature regulating and controlling device for hydrogen fuel cell - Google Patents
Constant temperature regulating and controlling device for hydrogen fuel cell Download PDFInfo
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- CN114927719A CN114927719A CN202210729513.0A CN202210729513A CN114927719A CN 114927719 A CN114927719 A CN 114927719A CN 202210729513 A CN202210729513 A CN 202210729513A CN 114927719 A CN114927719 A CN 114927719A
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- fuel cell
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- seat
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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
- H01M8/04067—Heat exchange or temperature measuring elements, thermal insulation, e.g. heat pipes, heat pumps, fins
- H01M8/04074—Heat exchange unit structures specially adapted for fuel cell
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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
- H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of 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
- H01M8/04029—Heat exchange using liquids
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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
- H01M8/04037—Electrical heating
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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
- H01M8/04067—Heat exchange or temperature measuring elements, thermal insulation, e.g. heat pipes, heat pumps, fins
-
- 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
-
- 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
- H01M8/04701—Temperature
- H01M8/04708—Temperature of fuel cell reactants
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel Cell (AREA)
Abstract
The invention belongs to the technical field of hydrogen energy power generation, and discloses a constant temperature regulating device for a hydrogen fuel cell, which comprises: the fuel cell comprises a fuel cell body, a constant-temperature heat exchange device and a heat preservation seat. The constant temperature device of the hydrogen fuel cell can effectively realize heating of raw materials and heat preservation of equipment through the constant temperature heat exchange device and the heat preservation seat, can also realize that the self temperature stability is maintained by utilizing heat in waste water and waste gas generated after reaction of the hydrogen fuel cell, improves the utilization efficiency of energy generated by the fuel cell, particularly can ensure that the hydrogen fuel cell can still normally operate in a low-temperature severe cold environment, and greatly expands the application range of the hydrogen fuel cell.
Description
Technical Field
The invention relates to the technical field of hydrogen energy power generation, in particular to a constant temperature regulating and controlling device for a hydrogen fuel cell.
Background
The combustion of hydrogen in oxygen will release a lot of energy, and the combustion product is only water, which is a clean energy without pollution, and because the calorific value of hydrogen is much higher than that of natural gas, it has become a trend to use hydrogen energy to replace the existing fossil fuels such as natural gas. In order to more reasonably and safely utilize hydrogen energy, the existing hydrogen mainly supplies energy to products such as automobiles and the like in the form of a hydrogen fuel cell, but the hydrogen fuel cell has a smaller working temperature range and is difficult to use in a severe cold or hot environment, so that the application fields of the hydrogen fuel cell are less at the present stage, the application area is also limited, the hydrogen energy is difficult to effectively popularize as clean energy and replace the existing fossil fuel, and the improvement of the energy structure of China is not facilitated.
Disclosure of Invention
In view of the above, the present invention provides a constant temperature control device for a hydrogen fuel cell, which can effectively maintain and maintain the temperature of the hydrogen fuel cell.
In order to achieve the purpose, the invention provides the following technical scheme: a thermostat regulating device for a hydrogen fuel cell, the thermostat regulating device comprising:
the fuel cell comprises a fuel cell body, wherein the front end of the fuel cell body is provided with a hydrogen inlet pipe and an oxygen inlet pipe for providing raw materials, the rear end of the fuel cell body is provided with an exhaust pipe and a liquid discharge pipe for discharging waste gas and waste liquid, the exhaust pipe is connected with a gas distribution pipe through a first distributing valve, and the liquid discharge pipe is provided with a distributing pipe through a second distributing valve;
the constant-temperature heat exchange device comprises a flow inlet seat, a composite pipe and a flow drainage seat which are connected in series, a cooling flow channel connected with an inlet and an outlet of a circulating cooler is arranged in the center of the composite pipe, a main heat conducting sheet is arranged in the cooling flow channel, first heaters connected with the main heat conducting sheet are arranged on the flow inlet seat and the flow drainage seat, an air inlet, a flow inlet and a liquid inlet are formed in the flow inlet seat, a flow drainage port, a liquid drainage port and an air exhaust port are formed in the flow drainage seat, the air inlet is connected with an air distribution pipe, the liquid inlet is connected with a flow distribution pipe, the flow inlet is connected with external hydrogen supply or oxygen supply equipment, the flow drainage port is connected with a hydrogen inlet pipe or an oxygen inlet pipe, a waste gas flow channel used for connecting the air inlet and the air exhaust port is arranged in the composite pipe, a waste flow channel used for connecting the liquid inlet and the flow drainage port is arranged in the composite pipe, a raw material flow channel used for connecting the flow inlet and the flow port is arranged in the composite pipe, the flow inlet and the flow outlet are both provided with a first temperature detection sensor;
the heat preservation seat, the heat preservation seat chucking is at fuel cell body outer wall, and fixed mounting has controller and battery on the heat preservation seat, the controller passes through the cable respectively with battery, first distribution valve, second distribution valve, first heater, first temperature detection sensor and circulative cooler electric connection.
Preferably, the raw material flow channel is spirally attached and wound on the cooling flow channel, and the waste gas flow channel and the waste liquid flow channel are spirally attached and wound on the outer side of the raw material flow channel.
Preferably, the controller is a PLC controller of type S7-200, and the first heater is an electric heater.
Preferably, the heat preservation seat includes the casing, and the inboard of casing is fixed with the samming attaching plate with the laminating of fuel cell body, it encircles the water conservancy diversion chamber of samming attaching plate to form at least three between samming attaching plate and the casing, and the water conservancy diversion intracavity is provided with the fin of being connected with samming attaching plate, fixed mounting has supplementary conducting strip on the samming attaching plate, and fixed mounting has the second heater of being connected with supplementary conducting strip on the casing, second heater and controller electric connection, and the exit of circulative cooler is connected respectively to the left and right sides in water conservancy diversion chamber, fixed mounting has the second temperature that inserts the water conservancy diversion chamber to detect the sensor on the casing, and second temperature detects sensor and controller electric connection.
Compared with the prior art, the invention has the beneficial effects that: the thermostat of the hydrogen fuel cell designed by the invention can effectively realize heating of raw materials and heat preservation of equipment through the thermostatic heat exchange device and the heat preservation seat, can also realize that the self temperature stability is maintained by utilizing heat in waste water and waste gas generated after reaction of the hydrogen fuel cell, improves the utilization efficiency of energy generated by the fuel cell, particularly can ensure that the hydrogen fuel cell can still normally operate in a low-temperature severe cold environment, and greatly expands the application range of the hydrogen fuel cell, thereby having very high practical value.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the composite pipe of the present invention;
FIG. 4 is a cross-sectional view showing the internal structure of the composite pipe of the present invention;
FIG. 5 is a schematic view of the heat retaining base of the present invention;
fig. 6 is a sectional view of the thermal insulation base according to the present invention.
In the figure: 1. a fuel cell body; 2. a hydrogen inlet pipe; 3. a constant temperature heat exchange device; 311. an air inlet; 312. a flow inlet; 313. a flow inlet seat; 314. a liquid inlet; 321. a drainage port; 322. a liquid discharge port; 323. an exhaust port; 324. a drainage seat; 331. a composite pipe; 332. a waste liquid channel; 333. an exhaust gas flow path; 334. a raw material runner; 335. a cooling flow channel; 336. a main heat conduction sheet; 4. a heat preservation seat; 401. an auxiliary heat-conducting fin; 402. a heat sink; 403. a flow guide cavity; 404. a uniform temperature pasting plate; 405. a housing; 5. a storage battery; 6. a circulation cooler; 7. a second heater; 8. a second temperature detection sensor; 9. an exhaust pipe; 10. a first distributing valve; 11. a gas distribution pipe; 12. a liquid discharge pipe; 13. a second distribution valve; 14. a flow distribution pipe; 15. a controller; 16. a first heater; 17. a first temperature detection sensor; 18. an oxygen inlet pipe.
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 obtained by those skilled in the art without creative efforts based on the technical solutions of the present invention belong to the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution: a thermostat regulating device for a hydrogen fuel cell, the thermostat regulating device comprising:
referring to fig. 1 and 2, a fuel cell body 1 is provided with a hydrogen inlet pipe 2 and an oxygen inlet pipe 18 for providing raw materials at the front end of the fuel cell body 1, and an exhaust pipe 9 and a liquid discharge pipe 12 for discharging waste gas and liquid are provided at the rear end of the fuel cell body 1, wherein a gas distribution pipe 11 is connected to the exhaust pipe 9 through a first gas distribution valve 10, and a gas distribution pipe 14 is installed on the liquid discharge pipe 12 through a second gas distribution valve 13;
referring to fig. 1 to 5, the constant temperature heat exchanger 3, referring to fig. 1 to 5, the constant temperature heat sink 4 is composed of a flow inlet seat 313, a composite tube 331 and a flow outlet seat 324 connected in series, a cooling channel 335 connected to an inlet and an outlet of the cooling cycle 6 is disposed at the center of the composite tube 331, a heat conducting plate 336 is disposed in the cooling channel 335, a first heater 16 connected to the heat conducting plate 336 is disposed on the flow inlet seat 313 and the flow outlet seat 324, an air inlet 311, a flow inlet 312 and a liquid inlet 314 are disposed on the flow inlet seat 313, a flow outlet 321, a liquid outlet 322 and an air outlet 323 are disposed on the flow outlet seat 324, the air inlet 311 is connected to the gas distribution tube 11, the liquid inlet 314 is connected to the flow distribution tube 14, the flow inlet 312 is connected to an external hydrogen or oxygen supply device, the flow outlet 321 is connected to the hydrogen inlet tube 2 or the oxygen inlet tube 18, an exhaust channel 333 for connecting the air inlet 311 and the air outlet 323 is disposed in the composite tube 331, a waste flow channel 332 for connecting the liquid inlet 314 and the liquid outlet 322 is arranged in the composite tube 1, a raw material flow channel 334 for connecting the liquid inlet 312 and the liquid outlet 321 is arranged in the composite tube 331, the liquid inlet 312 and the liquid outlet 321 are both provided with a first temperature detection sensor 17, the raw material flow channel 334 is spirally attached and wound on the cooling flow channel 335, and the waste flow channel 333 and the waste flow channel 332 are spirally attached and wound outside the raw material flow channel 334;
referring to fig. 1, 2, 5 and 6, the heat-insulating base 4 is tightly clamped on the outer wall of the fuel cell body 1, a controller 15 and a storage battery 5 are fixedly mounted on the heat-insulating base 4, the controller 15 is electrically connected with the storage battery 5, the first distribution valve 10, the second distribution valve 13, the first heater 16, the first temperature detection sensor 17 and the circulating cooler 6 through cables, the controller 15 is an S7-200 type PLC controller, and the first heater 16 is an electric heater;
referring to fig. 6, the heat insulating base 4 includes a housing 405, a uniform temperature attaching plate 404 attached to the fuel cell body 1 is fixed on an inner side of the housing 405, at least three flow guide cavities 403 surrounding the uniform temperature attaching plate 404 are formed between the uniform temperature attaching plate 404 and the housing 405, heat dissipation fins 402 connected to the uniform temperature attaching plate 404 are disposed in the flow guide cavities 403, auxiliary heat conducting fins 401 are fixedly mounted on the uniform temperature attaching plate 404, a second heater 7 connected to the auxiliary heat conducting fins 401 is fixedly mounted on the housing 405, the second heater 7 is electrically connected to the controller 15, an inlet and an outlet of the circulation cooler 6 are respectively connected to left and right sides of the flow guide cavities 403, a second temperature detecting sensor 8 inserted into the flow guide cavities 403 is fixedly mounted on the housing 405, and the second temperature detecting sensor 8 is electrically connected to the controller 15.
The working principle is as follows: the device has adopted 3 pairs of hydrogen and oxygen that transport in the fuel cell body 1 of constant temperature heat transfer device to carry out the constant temperature regulation and control, utilizes heat preservation seat 4 to directly carry out the constant temperature regulation and control to fuel cell body 1 simultaneously, and wherein the raw materials runner 334 that is arranged in the left constant temperature heat transfer device B of heat preservation seat 4 is used for transporting hydrogen, and the raw materials runner 334 that is arranged in the constant temperature heat transfer device A on heat preservation seat 4 right side is used for transporting oxygen. When the fuel cell body 1 needs to work, the controller 15 firstly detects the temperature at the corresponding position through the first temperature detection sensor 17 and the second temperature detection sensor 8, when the temperature is lower than the preset temperature, the first heater 16 is used for heating the interior of the composite pipe 331, and the second heater 7 is used for heating the interior of the heat preservation seat 4, so that the whole equipment is restored to the proper working temperature; when the temperature is detected to be lower than the preset temperature, the controller 15 circulates the cooling air flow into the cooling flow passage 335 and the flow guide chamber 403 through the circulation cooler 6, thereby returning the entire apparatus to the proper operating temperature. When the whole equipment is restored to a proper temperature, hydrogen and oxygen can be sent into the corresponding raw material flow channel 334 through external equipment and then sent into the fuel cell body 1 for reaction, and waste gas and water generated by the reaction are respectively discharged through the exhaust pipe 9 and the liquid discharge pipe 12; if the equipment needs to maintain the temperature through the first heater 16 and the second heater 7, the first distributing valve 10 and the second distributing valve 13 will send part of the waste gas and waste water into the corresponding waste gas flow channel 333 and waste liquid flow channel 332 through the distributing pipe 11 and the distributing pipe 14, so as to replace the first heater 16 with the residual heat in the waste gas and waste water to heat the raw material, thereby effectively maintaining the whole equipment to work normally in the proper working temperature, and the waste gas and waste water entering the composite pipe 331 is finally discharged from the exhaust port 323 and the liquid discharge port 322. By the method, the recovery efficiency of heat in the waste gas and waste water generated by the water-hydrogen fuel cell can be effectively improved, the working temperature of equipment can be effectively stabilized, especially, the hydrogen fuel cell can still normally operate in a low-temperature severe cold environment, the application range of the hydrogen fuel cell is greatly expanded, and therefore the method has high practical value.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A thermostat regulating device for a hydrogen fuel cell, characterized by comprising:
the fuel cell comprises a fuel cell body (1), wherein a hydrogen inlet pipe (2) and an oxygen inlet pipe (18) for providing raw materials are arranged at the front end of the fuel cell body (1), an exhaust pipe (9) and a liquid discharge pipe (12) for discharging waste gas and waste liquid are arranged at the rear end of the fuel cell body (1), a gas distribution pipe (11) is connected to the exhaust pipe (9) through a first distribution valve (10), and a distribution pipe (14) is installed on the liquid discharge pipe (12) through a second distribution valve (13);
the constant-temperature heat exchange device (3) is characterized in that the constant-temperature heat dissipation device (4) is composed of a flow inlet seat (313), a composite pipe (331) and a flow outlet seat (324) which are connected in series, a cooling flow channel (335) connected with an inlet and an outlet of the circulating cooler (6) is arranged in the center of the composite pipe (331), a main heat conducting sheet (336) is arranged in the cooling flow channel (335), a first heater (16) connected with the main heat conducting sheet (336) is arranged on the flow inlet seat (313) and the flow outlet seat (324), an air inlet (311), a flow inlet (312) and a liquid inlet (314) are formed in the flow inlet seat (313), a flow outlet (321), a liquid outlet (322) and an air outlet (323) are formed in the flow outlet seat (324), the air inlet (311) is connected with the gas distribution pipe (11), the liquid inlet (314) is connected with the flow distribution pipe (14), and the flow inlet (312) is connected with external hydrogen supply or oxygen supply equipment, the drainage port (321) is connected with the hydrogen inlet pipe (2) or the oxygen inlet pipe (18), a waste gas flow channel (333) used for connecting the gas inlet (311) and the gas outlet (323) is arranged in the composite pipe (331), a waste gas flow channel (332) used for connecting the liquid inlet (314) and the liquid outlet (322) is arranged in the composite pipe (1), a raw material flow channel (334) used for connecting the gas inlet (312) and the drainage port (321) is arranged in the composite pipe (331), and the gas inlet (312) and the drainage port (321) are both provided with a first temperature detection sensor (17);
heat preservation seat (4), heat preservation seat (4) chucking is at fuel cell body (1) outer wall, and fixed mounting has controller (15) and battery (5) on heat preservation seat (4), controller (15) pass through the cable respectively with battery (5), first distribution valve (10), second distribution valve (13), first heater (16), first temperature detection sensor (17) and circulative cooling ware (6) electric connection.
2. A thermostat regulating device for a hydrogen fuel cell according to claim 1, characterized in that: the raw material flow channel (334) is spirally attached and wound on the cooling flow channel (335), and the waste gas flow channel (333) and the waste liquid flow channel (332) are spirally attached and wound on the outer side of the raw material flow channel (334).
3. A thermostat regulating device for a hydrogen fuel cell according to claim 1, characterized in that: the controller (15) is an S7-200 PLC controller, and the first heater (16) is an electric heater.
4. A thermostat regulating device for a hydrogen fuel cell according to claim 1, characterized in that: the heat preservation seat (4) comprises a shell (405), a uniform temperature attaching plate (404) attached to the fuel cell body (1) is fixed on the inner side of the shell (405), at least three flow guide cavities (403) surrounding the uniform temperature attaching plate (404) are formed between the uniform temperature attaching plate (404) and the shell (405), radiating fins (402) connected with the uniform temperature attaching plate (404) are arranged in the flow guide cavities (403), auxiliary heat conducting fins (401) are fixedly installed on the uniform temperature attaching plate (404), a second heater (7) connected with the auxiliary heat conducting fins (401) is fixedly installed on the shell (405), the second heater (7) is electrically connected with a controller (15), the left side and the right side of the flow guide cavities (403) are respectively connected with an inlet and an outlet of a circulating cooler (6), and a second temperature detection sensor (8) inserted into the flow guide cavities (403) is fixedly installed on the shell (405), and the second temperature detection sensor (8) is electrically connected with the controller (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210729513.0A CN114927719A (en) | 2022-06-24 | 2022-06-24 | Constant temperature regulating and controlling device for hydrogen fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210729513.0A CN114927719A (en) | 2022-06-24 | 2022-06-24 | Constant temperature regulating and controlling device for hydrogen fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114927719A true CN114927719A (en) | 2022-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210729513.0A Withdrawn CN114927719A (en) | 2022-06-24 | 2022-06-24 | Constant temperature regulating and controlling device for hydrogen fuel cell |
Country Status (1)
| Country | Link |
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| CN (1) | CN114927719A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115472866A (en) * | 2022-09-22 | 2022-12-13 | 安庆杰曼汽车科技有限公司 | Control device with waste gas recycling function for hydrogen fuel cell |
-
2022
- 2022-06-24 CN CN202210729513.0A patent/CN114927719A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115472866A (en) * | 2022-09-22 | 2022-12-13 | 安庆杰曼汽车科技有限公司 | Control device with waste gas recycling function for hydrogen fuel cell |
| CN115472866B (en) * | 2022-09-22 | 2024-05-31 | 安庆杰曼汽车科技有限公司 | Control device with waste gas recycling function for hydrogen fuel cell |
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Application publication date: 20220819 |
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