CN212161981U - Control system of air-cooled fuel cell stack - Google Patents
Control system of air-cooled fuel cell stack Download PDFInfo
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- CN212161981U CN212161981U CN202020797378.XU CN202020797378U CN212161981U CN 212161981 U CN212161981 U CN 212161981U CN 202020797378 U CN202020797378 U CN 202020797378U CN 212161981 U CN212161981 U CN 212161981U
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- cooled fuel
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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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Abstract
The utility model discloses a control system of forced air cooling fuel cell pile. The utility model discloses a set up the hydrogen air-vent valve that is connected with controlling means respectively on the hydrogen pipeline of inserting air-cooled fuel cell pile, hydrogen flowmeter and hydrogen pressure sensor, the air-cooled motor that is connected with controlling means is set up in the position that is close to air-cooled fuel cell pile, set up the temperature sensor who is connected with controlling means in air-cooled fuel cell pile cathode channel, set up the pulse valve of being connected with controlling means on the delivery pipeline of inserting air-cooled fuel cell pile, make controlling means can be according to the hydrogen flow who gathers in real time, hydrogen pressure and operating temperature, the valve aperture of dynamic adjustment hydrogen air-vent valve, the fan aperture of air-cooled motor, the pulse time and the pulse frequency of pulse valve maintain the specific operating condition of air-cooled fuel cell pile, be favorable to guaranteeing air-cooled fuel cell pile steady operation.
Description
Technical Field
The utility model relates to a fuel cell technical field especially relates to a control system of forced air cooling fuel cell pile.
Background
An air-cooled fuel cell stack is an electrochemical device which directly uses air as a cooling mode to directly convert chemical energy of externally supplied fuel (hydrogen) and oxidant (air) into electric energy and generate heat and reaction products. The air-cooled fuel cell stack is mainly used as a standby power supply of equipment such as a communication base station and the like, and the air-cooled fuel cell stack is required to be capable of stably running after being started to supply power to the equipment such as the communication base station and the like. However, in the prior art, the control system of the air-cooled fuel cell stack is still single and constant in controlling the air-cooled fuel cell stack, and is not enough to dynamically adjust the conditions of hydrogen flow rate change, hydrogen pressure change, operation temperature change and the like in the operation process of the air-cooled fuel cell stack to maintain specific operation conditions, so that it is difficult to ensure stable operation of the air-cooled fuel cell stack.
SUMMERY OF THE UTILITY MODEL
For overcoming prior art's defect, the utility model provides a control system of forced air cooling fuel cell pile can maintain the specific operating condition of forced air cooling fuel cell pile by the valve aperture of dynamic adjustment hydrogen air-vent valve, the fan aperture of air-cooled motor, the pulse duration and the pulse frequency of pulse valve, is favorable to guaranteeing forced air cooling fuel cell pile steady operation.
In order to solve the above technical problem, an embodiment of the present invention provides a control system of an air-cooled fuel cell stack, including:
the hydrogen-cooling system comprises a control device, a hydrogen pressure regulating valve, a hydrogen flowmeter, a hydrogen pressure sensor, an air-cooling motor, a temperature sensor and a pulse valve;
the hydrogen inlet end of the air-cooled fuel cell stack is connected with the gas supply end of a hydrogen tank through a hydrogen pipeline, and the hydrogen pipeline is provided with the hydrogen pressure regulating valve, the hydrogen flowmeter and the hydrogen pressure sensor; the valve control end of the hydrogen pressure regulating valve is connected with the control end of the control device, the output end of the hydrogen flowmeter is connected with the data acquisition end of the control device, and the output end of the hydrogen pressure sensor is connected with the data acquisition end of the control device;
the air outlet end of the air-cooled fuel cell stack is connected with the air draft end of the air-cooled motor; the fan control end of the air cooling motor is connected with the control end of the control device;
the temperature sensor is arranged in the cathode channel of the air-cooled fuel cell stack; the output end of the temperature sensor is connected with the data acquisition end of the control device;
the outlet end of the air-cooled fuel cell stack is connected with the inlet end of the pulse valve through a discharge pipeline; and the valve control end of the pulse valve is connected with the control end of the control device.
Further, the hydrogen pressure sensor is arranged on the hydrogen pipeline close to the hydrogen inlet end of the air-cooled fuel cell stack.
Further, the hydrogen inlet end of the air-cooled fuel cell stack is horizontal to or higher than the outlet end of the air-cooled fuel cell stack.
Further, the air draft end of the air-cooled motor is connected with the air outlet end of the air-cooled fuel cell stack through a sealing mask.
Further, the sealing mask is of a trumpet-shaped structure.
Furthermore, a first opening of the sealing mask is connected with the air exhaust end of the air-cooled motor, and a second opening of the sealing mask is connected with the air outlet end of the air-cooled fuel cell stack; the first opening communicates with the second opening and the cross-sectional area of the first opening is smaller than the cross-sectional area of the second opening.
Further, the hydrogen flow meter comprises an adjustable gas flow meter.
Further, the temperature sensor comprises a thermocouple temperature sensor.
Further, the temperature sensor is arranged in the middle of the cathode channel in the air-cooled fuel cell stack.
Further, the pulse valve comprises a pulse electromagnetic valve or a pulse needle valve or a normally closed pulse electromagnetic valve.
Compared with the prior art, the embodiment of the utility model has following beneficial effect:
the hydrogen pipeline connected with the air-cooled fuel cell stack is provided with a hydrogen pressure regulating valve, a hydrogen flowmeter and a hydrogen pressure sensor, the valve control end of the hydrogen pressure regulating valve is connected with the control end of a control device, the output end of the hydrogen flowmeter is connected with the data acquisition end of the control device, the output end of the hydrogen pressure sensor is connected with the data acquisition end of the control device, an air-cooled motor is arranged at a position close to the air-cooled fuel cell stack, the fan control end of the air-cooled motor is connected with the control end of the control device, a temperature sensor is arranged in the cathode channel of the air-cooled fuel cell stack, the output end of the temperature sensor is connected with the data acquisition end of the control device, a pulse valve is arranged on the discharge pipeline connected with the air-cooled fuel cell stack, the valve control end of the pulse valve is connected with the control end of the control device, so that the control device can perform, The hydrogen pressure and the operation temperature dynamically adjust the valve opening of the hydrogen pressure adjusting valve, the fan opening of the air cooling motor, the pulse time and the pulse frequency of the pulse valve to maintain the specific operation condition of the air cooling fuel cell stack, and the stable operation of the air cooling fuel cell stack is favorably ensured.
Drawings
Fig. 1 is a schematic structural diagram of a control system of an air-cooled fuel cell stack according to an embodiment of the present invention.
Wherein the reference numbers in the drawings of the specification are as follows:
1: a hydrogen tank; 2: a hydrogen gas circuit; 3: a hydrogen pressure regulating valve; 4: a hydrogen gas flow meter; 5: a hydrogen pressure sensor; 6: air-cooling the fuel cell stack; 7: an air cooling motor; 8: a temperature sensor; 9: sealing the face mask; 10: a discharge line; 11: a pulse valve; 12: and a control device.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a control system for an air-cooled fuel cell stack, including: the hydrogen pressure regulating valve 3, the hydrogen flowmeter 4, the hydrogen pressure sensor 5, the air cooling motor 7, the temperature sensor 8 and the pulse valve 11 are arranged on the hydrogen inlet pipe; the hydrogen inlet end of the air-cooled fuel cell pile 6 is connected with the gas supply end of a hydrogen tank 1 through a hydrogen pipeline 2, and the hydrogen pipeline 2 is provided with a hydrogen pressure regulating valve 3, a hydrogen flowmeter 4 and a hydrogen pressure sensor 5; the valve control end of the hydrogen pressure regulating valve 3 is connected with the control end of a control device 12, the output end of a hydrogen flowmeter 4 is connected with the data acquisition end of the control device 12, and the output end of a hydrogen pressure sensor 5 is connected with the data acquisition end of the control device 12; the air outlet end of the air-cooled fuel cell stack 6 is connected with the air exhaust end of the air-cooled motor 7; the fan control end of the air cooling motor 7 is connected with the control end of the control device 12; a temperature sensor 8 is arranged in a cathode channel of the air-cooled fuel cell stack 6; the output end of the temperature sensor 8 is connected with the data acquisition end of the control device 12; the outlet end of the air-cooled fuel cell stack 6 is connected with the inlet end of a pulse valve 11 through a discharge pipeline 10; the valve control end of the pulse valve 11 is connected with the control end of the control device 12.
Illustratively, the hydrogen tank 1 supplies hydrogen to the air-cooled fuel cell stack 6 through a hydrogen line 2, a hydrogen flow meter 4 on the hydrogen line 2 measures the flow rate of hydrogen into the air-cooled fuel cell stack 6 and transmits the measured hydrogen flow rate to the control device 12, and a hydrogen pressure sensor 5 on the hydrogen line 2 measures the pressure of hydrogen into the air-cooled fuel cell stack 6 and transmits the measured hydrogen pressure to the control device 12. The air-cooled motor 7 supplies air to the air-cooled fuel cell stack 6, so that the air-cooled fuel cell stack 6 can directly utilize the air as a cooling mode, directly convert the chemical energy of the externally supplied hydrogen and the air into electric energy and generate heat and reaction products, and radiate the heat of the air-cooled fuel cell stack 6 in the operation process of the air-cooled fuel cell stack 6. During operation of the air-cooled fuel cell stack 6, the temperature sensor 8 disposed in the cathode channel of the air-cooled fuel cell stack 6 measures the operating temperature of the air-cooled fuel cell stack 6 and transmits the measured operating temperature to the control device 12. The control device 12 selectively transmits a control signal to the hydrogen pressure regulating valve 3 according to the acquired hydrogen flow, hydrogen pressure and operation temperature, so that the hydrogen pressure regulating valve 3 adjusts the valve opening under the action of the control signal, the hydrogen pressure in the air-cooled fuel cell stack 6 is controlled within a specific range, the control signal is transmitted to the air-cooled motor 7, the air-cooled motor 7 adjusts the fan rotating speed under the action of the control signal, the operation temperature of the air-cooled fuel cell stack 6 is controlled within the specific range, the control signal is transmitted to the pulse valve 11, the pulse valve 11 adjusts the pulse time and the pulse frequency under the action of the control signal, and impurity gas and redundant moisture in the air-cooled fuel cell stack 6 are regularly and quantitatively discharged.
The adjusted hydrogen pressure is the rated working pressure of the air-cooled fuel cell stack 6 during normal operation, and must not exceed the maximum bearing pressure of the air-cooled fuel cell stack 6 and the maximum bearing pressure of the proton exchange membrane.
The power of the air cooling motor 7 should satisfy: sufficient air can be supplied to the air-cooled fuel cell stack 6 to participate in reaction power generation, heat can be dissipated timely when the air-cooled fuel cell stack 6 operates at the maximum power, and the operating temperature of the air-cooled fuel cell stack 6 is controlled within a specific range, so that the conditions that the operating temperature of the air-cooled fuel cell stack 6 is too low, such as water flooding caused by water condensation in an anode channel at 30 ℃, are avoided.
In the embodiment, a hydrogen pressure regulating valve 3, a hydrogen flowmeter 4 and a hydrogen pressure sensor 5 are arranged on a hydrogen pipeline 2 connected with an air-cooled fuel cell stack 6, a valve control end of the hydrogen pressure regulating valve 3 is connected with a control end of a control device 12, an output end of the hydrogen flowmeter 4 is connected with a data acquisition end of the control device 12, an output end of the hydrogen pressure sensor 5 is connected with a data acquisition end of the control device 12, an air-cooled motor 7 is arranged at a position close to the air-cooled fuel cell stack 6, a fan control end of the air-cooled motor 7 is connected with a control end of the control device 12, a temperature sensor 8 is arranged in a cathode channel of the air-cooled fuel cell stack 6, an output end of the temperature sensor 8 is connected with a data acquisition end of the control device 12, a pulse valve 11 is arranged on a discharge pipeline 10 connected with the air-cooled fuel cell stack 6, and a valve control end of the pulse valve 11 is connected with a, the control device 12 can dynamically adjust the valve opening of the hydrogen pressure regulating valve 3, the fan opening of the air-cooled motor 7, the pulse time and the pulse frequency of the pulse valve 11 to maintain the specific operation condition of the air-cooled fuel cell stack 6 according to the hydrogen flow, the hydrogen pressure and the operation temperature which are acquired in real time, and the stable operation of the air-cooled fuel cell stack 6 is favorably ensured.
In the preferred embodiment, a hydrogen pressure sensor 5 is disposed on the hydrogen line 2 near the hydrogen inlet end of the air-cooled fuel cell stack 6.
This embodiment sets up on hydrogen pipeline 2 through the hydrogen entry end that is close to air-cooled fuel cell pile 6 with hydrogen pressure sensor 5 for hydrogen pressure sensor 5 is nearer apart from air-cooled fuel cell pile 6's entry end, can measure the hydrogen pressure that lets in air-cooled fuel cell pile 6 more accurately, and is far away from air-cooled fuel cell pile 6's exit end, can reduce the influence of the pressure fluctuation that pulse valve 11 intermittent type nature was opened and is aroused to hydrogen pressure sensor 5 measuring result.
In a preferred embodiment, the hydrogen inlet port of the air-cooled fuel cell stack 6 is horizontal or higher than the outlet port of the air-cooled fuel cell stack 6.
In the present embodiment, the hydrogen inlet of the air-cooled fuel cell stack 6 is horizontal to or higher than the outlet of the air-cooled fuel cell stack 6, which is beneficial to discharging the moisture in the anode channel of the air-cooled fuel cell stack 6.
In the preferred embodiment, the air exhaust end of the air-cooled motor 7 is connected with the air outlet end of the air-cooled fuel cell stack 6 through a sealing mask 9.
In a preferred embodiment of this embodiment, the sealing mask 9 is of a trumpet-like construction.
It will be appreciated that the sealing mask 9 is of a trumpet-like configuration, i.e. two openings of one curved surface, with a larger cross-sectional area and a smaller cross-sectional area.
In another preferred embodiment of this embodiment, the first opening of the sealing mask 9 is connected to the air exhaust end of the air-cooled motor 7, and the second opening is connected to the air outlet end of the air-cooled fuel cell stack 6; the first opening is in communication with the second opening and the cross-sectional area of the first opening is less than the cross-sectional area of the second opening.
This embodiment is connected through the first opening with sealed face guard 9 and the convulsions end of air-cooled motor 7, is connected the second opening with sealed face guard 9 and the air outlet end of air-cooled fuel cell pile 6 for when air-cooled motor 7 toward keeping away from the direction air-cooled fuel cell pile 6 when induced draft, can produce the negative pressure in sealed face guard 9, thereby utilize the negative pressure to cause the air to flow and pass the negative pole passageway in the air-cooled fuel cell pile 6, realize for air-cooled fuel cell pile 6 air supply and heat dissipation.
Wherein, the air-cooled motor 7 adopts the air draft mode to supply air to the air-cooled fuel cell pile 6, is favorable to evenly supplying air.
In a preferred embodiment, the hydrogen flow meter 4 comprises an adjustable gas flow meter.
In this embodiment, an adjustable gas flow meter is used as the hydrogen flow meter 4, and the control device 12 can selectively transmit a control signal to the hydrogen flow meter 4, so that the hydrogen flow meter 4 can adjust the hydrogen flow rate introduced into the air-cooled fuel cell stack 6 under the action of the control signal, and further control the hydrogen pressure in the air-cooled fuel cell stack 6 within a specific range.
In the preferred embodiment, the temperature sensor 8 comprises a thermocouple temperature sensor.
The thermocouple temperature sensor belongs to one of self-generating sensors, measures the operating temperature of the air-cooled fuel cell stack 6 by adopting the thermocouple temperature sensor, and can directly convert the measurement result into an electric signal to be transmitted to the control device 12. And the temperature measuring range of the thermocouple temperature sensor is-270 ℃ to 2500 ℃, and the operating temperature range of the air-cooled fuel cell stack 6 is covered.
In the preferred embodiment, the temperature sensor 8 is located at an intermediate position of the cathode channel within the air-cooled fuel cell stack 6.
In this embodiment, the temperature sensor 8 is disposed at the middle position of the cathode channel in the air-cooled fuel cell stack 6, so that the operating temperature of the air-cooled fuel cell stack 6 can be measured more accurately.
In the preferred embodiment, the pulse valve 11 comprises a pulse solenoid valve or a pulse needle valve or a normally closed pulse solenoid valve.
The pulse electromagnetic valve inputs pulse signals to a coil in the electromagnetic valve body through a lead, the pulse valve is controlled by the output signals of the pulse injection control instrument, and the opening and closing of the pulse valve are realized by the flexural deformation of the rubber diaphragm by means of the pressure change of the front air chamber and the rear air chamber of the valve. The pulse needle valve is opened and closed by lifting or lowering the needle valve through a magnetic field generated by a coil. The normally closed pulse electromagnetic valve is in a normally closed state when no electric signal is input, and is in an open state when the electric signal is input.
The embodiment adopts the pulse electromagnetic valve or the pulse needle valve or the normally closed pulse electromagnetic valve as the pulse valve 11, can realize the fixed-time and fixed-quantity discharge of impurity gas and redundant moisture in the air-cooled fuel cell stack 6, is favorable for avoiding the water flooding condition of the air-cooled fuel cell stack 6, and simultaneously improves the hydrogen utilization rate.
The pulse valve 11 includes two control parameters, namely a pulse time interval, namely the time for closing the valve, and a pulse discharge time, namely the time for opening the valve, in one pulse period, wherein the two control parameters are changed along with the change of the running current of the air-cooled fuel cell stack 6. The volume of gas discharged by opening the pulse valve 11 once is more than or equal to the sum of the total volume of the anode channels in the air-cooled fuel cell stack 6 and the total volume of the anode common cavity. The total voltage fluctuation of the air-cooled fuel cell stack 6 before and after the opening of the pulse valve 11 is not preferably more than 1%.
To sum up, implement the utility model discloses an embodiment has following beneficial effect:
a hydrogen pressure regulating valve 3, a hydrogen flowmeter 4 and a hydrogen pressure sensor 5 are arranged on a hydrogen pipeline 2 connected with an air-cooled fuel cell stack 6, the valve control end of the hydrogen pressure regulating valve 3 is connected with the control end of a control device 12, the output end of the hydrogen flowmeter 4 is connected with the data acquisition end of the control device 12, the output end of the hydrogen pressure sensor 5 is connected with the data acquisition end of the control device 12, an air-cooled motor 7 is arranged at the position close to the air-cooled fuel cell stack 6, the fan control end of the air-cooled motor 7 is connected with the control end of the control device 12, a temperature sensor 8 is arranged in the cathode channel of the air-cooled fuel cell stack 6, the output end of the temperature sensor 8 is connected with the data acquisition end of the control device 12, a pulse valve 11 is arranged on a discharge pipeline 10 connected with the air-cooled fuel cell stack 6, and the valve control end of the pulse valve 11 is connected with the control end of, the control device 12 can dynamically adjust the valve opening of the hydrogen pressure regulating valve 3, the fan opening of the air-cooled motor 7, the pulse time and the pulse frequency of the pulse valve 11 to maintain the specific operation condition of the air-cooled fuel cell stack 6 according to the hydrogen flow, the hydrogen pressure and the operation temperature which are acquired in real time, and the stable operation of the air-cooled fuel cell stack 6 is favorably ensured.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (10)
1. A control system for an air-cooled fuel cell stack, comprising:
the hydrogen-cooling system comprises a control device, a hydrogen pressure regulating valve, a hydrogen flowmeter, a hydrogen pressure sensor, an air-cooling motor, a temperature sensor and a pulse valve;
the hydrogen inlet end of the air-cooled fuel cell stack is connected with the gas supply end of a hydrogen tank through a hydrogen pipeline, and the hydrogen pipeline is provided with the hydrogen pressure regulating valve, the hydrogen flowmeter and the hydrogen pressure sensor; the valve control end of the hydrogen pressure regulating valve is connected with the control end of the control device, the output end of the hydrogen flowmeter is connected with the data acquisition end of the control device, and the output end of the hydrogen pressure sensor is connected with the data acquisition end of the control device;
the air outlet end of the air-cooled fuel cell stack is connected with the air draft end of the air-cooled motor; the fan control end of the air cooling motor is connected with the control end of the control device;
the temperature sensor is arranged in the cathode channel of the air-cooled fuel cell stack; the output end of the temperature sensor is connected with the data acquisition end of the control device;
the outlet end of the air-cooled fuel cell stack is connected with the inlet end of the pulse valve through a discharge pipeline; and the valve control end of the pulse valve is connected with the control end of the control device.
2. The system for controlling an air-cooled fuel cell stack of claim 1, wherein the hydrogen pressure sensor is disposed on the hydrogen line proximate to a hydrogen inlet port of the air-cooled fuel cell stack.
3. The system for controlling an air-cooled fuel cell stack according to claim 1, wherein the hydrogen inlet of the air-cooled fuel cell stack is at a level higher than or equal to the outlet of the air-cooled fuel cell stack.
4. The control system of the air-cooled fuel cell stack of claim 1, wherein an air exhaust end of the air-cooled motor is connected to an air outlet end of the air-cooled fuel cell stack through a sealing mask.
5. The system for controlling an air-cooled fuel cell stack of claim 4, wherein the sealing mask is of a trumpet-like configuration.
6. The control system of the air-cooled fuel cell stack according to claim 4 or 5, wherein the first opening of the sealing mask is connected to an air exhaust end of the air-cooled motor, and the second opening is connected to an air outlet end of the air-cooled fuel cell stack; the first opening communicates with the second opening and the cross-sectional area of the first opening is smaller than the cross-sectional area of the second opening.
7. The control system for an air-cooled fuel cell stack of claim 1, wherein the hydrogen flow meter comprises an adjustable gas flow meter.
8. The control system for an air-cooled fuel cell stack of claim 1, wherein the temperature sensor comprises a thermocouple temperature sensor.
9. The system for controlling the air-cooled fuel cell stack according to claim 1 or 8, wherein the temperature sensor is disposed at a middle position of the cathode channel in the air-cooled fuel cell stack.
10. The control system of the air-cooled fuel cell stack of claim 1, wherein the pulse valve comprises a pulse solenoid valve or a pulse needle valve or a normally closed pulse solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020797378.XU CN212161981U (en) | 2020-05-13 | 2020-05-13 | Control system of air-cooled fuel cell stack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020797378.XU CN212161981U (en) | 2020-05-13 | 2020-05-13 | Control system of air-cooled fuel cell stack |
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| CN212161981U true CN212161981U (en) | 2020-12-15 |
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| CN202020797378.XU Active CN212161981U (en) | 2020-05-13 | 2020-05-13 | Control system of air-cooled fuel cell stack |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2020
- 2020-05-13 CN CN202020797378.XU patent/CN212161981U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111584899B (en) * | 2020-05-13 | 2022-08-19 | 广东国鸿氢能科技有限公司 | Control system of air-cooled fuel cell stack |
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Address after: No. 8, Hydrogen Energy Avenue, Foshan (Yunfu) Industrial Transfer Industrial Park, Silao Town, Yuncheng District, Yunfu City, Guangdong Province, 527300 Patentee after: Guangdong Guohong Hydrogen Energy Technology Co.,Ltd. Address before: No.9, Nanyuan District, Foshan (Yunfu) industrial transfer industrial park, Silao Town, Yuncheng district, Yunfu City, Guangdong Province Patentee before: GUANGDONG SINOSYNERGY HYDROGEN POWER TECHNOLOGY Co.,Ltd. |
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Address after: 314000 Room 501-2, Building 37, Hangzhou Bay New Economic Park, Port District, Jiaxing City, Zhejiang Province Patentee after: Guohong Hydrogen Energy Technology (Jiaxing) Co.,Ltd. Address before: No. 8, Hydrogen Energy Avenue, Foshan (Yunfu) Industrial Transfer Industrial Park, Silao Town, Yuncheng District, Yunfu City, Guangdong Province, 527300 Patentee before: Guangdong Guohong Hydrogen Energy Technology Co.,Ltd. |
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Effective date of registration: 20230802 Address after: Room 01, 15th Floor, Building 6, Yard A2, West Third Ring North Road, Haidian District, Beijing, 100000 Patentee after: BEIJING GUOHONG HYDROGEN ENERGY TECHNOLOGY Co.,Ltd. Patentee after: Guohong Hydrogen Energy Technology (Jiaxing) Co.,Ltd. Address before: 314000 Room 501-2, Building 37, Hangzhou Bay New Economic Park, Port District, Jiaxing City, Zhejiang Province Patentee before: Guohong Hydrogen Energy Technology (Jiaxing) Co.,Ltd. |
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