CN216480233U - Hydrogen filling system and hydrogen filling station - Google Patents

Hydrogen filling system and hydrogen filling station Download PDF

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Publication number
CN216480233U
CN216480233U CN202122978933.6U CN202122978933U CN216480233U CN 216480233 U CN216480233 U CN 216480233U CN 202122978933 U CN202122978933 U CN 202122978933U CN 216480233 U CN216480233 U CN 216480233U
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hydrogen
fuel cell
power generation
hydrogenation
storage cavity
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李光河
王志民
柴瑞杰
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Sany Automobile Manufacturing Co Ltd
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Sany Automobile Manufacturing Co Ltd
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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
    • Y02E60/32—Hydrogen storage
    • 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 provides a hydrogen filling system and a hydrogen filling station. The hydrogen filling system includes: the long pipe trailer comprises a gas storage cavity, and hydrogen is stored in the gas storage cavity; the hydrogenation device is communicated with the gas storage cavity; the hydrogen fuel cell power generation device is communicated with the gas storage cavity; and the control valve is connected among the gas storage cavity, the hydrogenation device and the hydrogen fuel cell power generation device, and is used for communicating the gas storage cavity with the hydrogenation device or communicating the gas storage cavity with the hydrogen fuel cell power generation device so as to inject hydrogen in the gas storage cavity into the hydrogenation device or the hydrogen fuel cell power generation device. The hydrogen filling system provided by the utility model is additionally provided with the hydrogen fuel cell power generation device on the basis of the hydrogenation device, and after the hydrogenation device is used for hydrogenating an external vehicle, the hydrogen with smaller pressure intensity remained in the long-tube trailer is filled into the hydrogen fuel cell power generation device for power generation, so that the utilization rate of the hydrogen of the long-tube trailer is improved, and the hydrogen filling system can also supply power for the hydrogenation station equipment.

Description

Hydrogen filling system and hydrogen filling station
Technical Field
The utility model relates to the technical field of new energy, in particular to a hydrogen filling system and a hydrogen filling station.
Background
At present, when hydrogen is supplied to the hydrogen refueling station through the long tube trailer, the utilization rate of the hydrogen in the long tube trailer is limited by the compression capacity of a compressor of the hydrogen refueling station. Specifically, the maximum pressure of the gas taking end of the compressor of the hydrogenation station is 5MPa-7MPa, once the pressure of the hydrogen in the long-tube trailer is smaller than the maximum pressure of the gas taking end of the compressor of the hydrogenation station, the hydrogen cannot be taken by the compressor and is finally left in the long-tube trailer, the utilization rate of the hydrogen in the long-tube trailer is reduced, and the use cost of the hydrogen is further increased.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art.
To this end, a first aspect of the utility model proposes a hydrogen filling system.
In a second aspect, the present invention provides a hydrogen refueling station.
In view of this, a first aspect of the present invention provides a hydrogen filling system including: the long pipe trailer comprises a gas storage cavity, and hydrogen is stored in the gas storage cavity; the hydrogenation device is communicated with the gas storage cavity; the hydrogen fuel cell power generation device is communicated with the gas storage cavity; and the control valve is connected among the gas storage cavity, the hydrogenation device and the hydrogen fuel cell power generation device, and is used for communicating the gas storage cavity with the hydrogenation device or communicating the gas storage cavity with the hydrogen fuel cell power generation device so as to inject hydrogen in the gas storage cavity into the hydrogenation device or the hydrogen fuel cell power generation device.
The hydrogen filling system provided by the utility model comprises a long pipe trailer, a hydrogenation device and a hydrogen fuel cell power generation device. Wherein, long-tube trailer includes the gas storage chamber again, and the storage has hydrogen in the gas storage chamber, and hydrogenation unit and hydrogen fuel cell power generation facility all communicate with above-mentioned gas storage chamber. Therefore, hydrogen in the gas storage cavity can enter the hydrogenation device to be hydrogenated for the hydrogen energy vehicle, or the hydrogen in the gas storage cavity enters the hydrogen fuel cell power generation device to provide fuel for the hydrogen fuel cell power generation device, so that the hydrogen fuel cell power generation device realizes power generation. Like this, add hydrogen fuel cell power generation facility on hydrogenation device's basis, when carrying out the hydrogenation through the long tube trailer, hydrogen in the long tube trailer can be utilized by hydrogenation device and hydrogen fuel cell power generation facility, has promoted the utilization ratio of hydrogen in the long tube trailer, has reduced the use cost of hydrogen.
The hydrogen filling system further comprises a control valve. Wherein, the control valve is connected among the gas storage cavity, the hydrogenation device and the hydrogen fuel cell power generation device. Like this, through the connected state that changes the control valve, steerable gas storage chamber and hydrogenation unit switch on, perhaps control gas storage chamber and hydrogen fuel cell power generation facility switch on, and then the hydrogen of steerable gas storage intracavity gets into hydrogenation unit or hydrogen fuel cell power generation facility to make hydrogenation unit can hydrogenate for the hydrogen energy vehicle, perhaps make hydrogen fuel cell power generation facility can realize the electricity generation, promoted the utilization ratio of hydrogen in the long-tube trailer, reduced the use cost of hydrogen.
In the actual use, when supplying hydrogen to the hydrogen adding station through the long-tube trailer, the utilization ratio of the hydrogen in the long-tube trailer is limited by the compression capacity of the compressor of the hydrogen adding station. Specifically, hydrogen in the long tube trailer has certain initial pressure, the maximum pressure of the gas taking end of the compressor of the hydrogenation station is 5-7 MPa, the pressure of the hydrogen in the long tube trailer is gradually reduced along with the progress of the hydrogenation process, and once the pressure of the hydrogen in the long tube trailer is smaller than the maximum pressure of the gas taking end of the compressor of the hydrogenation station, the hydrogen cannot be taken by the compressor and is finally left in the long tube trailer. The hydrogen filling system provided by the utility model is additionally provided with the hydrogen fuel cell power generation device on the basis of the hydrogenation device, and a control valve is arranged among the gas storage cavity, the hydrogenation device and the hydrogen fuel cell power generation device, so that hydrogen in the gas storage cavity is filled into the hydrogenation device or the hydrogen fuel cell power generation device. Specifically, after the hydrogenation device hydrogenates for outside vehicle, the hydrogen that remains in the long-tube trailer is less through the open mode who changes the control valve injects hydrogen fuel cell power generation facility into and generates electricity, has promoted the utilization ratio of hydrogen in the long-tube trailer, has reduced the use cost of hydrogen.
Specifically, the control valve may be a three-way valve, a first end of the three-way valve is connected to the gas storage chamber, a second end of the three-way valve is connected to the hydrogenation device, and a third end of the three-way valve is connected to the hydrogen fuel cell power generation device.
In summary, the hydrogen filling system provided by the utility model adds the hydrogen fuel cell power generation device on the basis of the hydrogenation device, when the hydrogen is hydrogenated by the long-tube trailer, once the pressure of the hydrogen in the long-tube trailer is less than the maximum value of the pressure at the gas taking end of the compressor of the hydrogenation station and cannot be taken by the compressor for gas taking use, the gas storage cavity and the hydrogen fuel cell power generation device are communicated in time through the control valve, so that the hydrogen in the gas storage cavity is injected into the hydrogen fuel cell power generation device to be used as fuel for power generation, the hydrogen remaining in the long-tube trailer is ensured to be as little as possible, the utilization rate of the hydrogen in the long-tube trailer can be improved to the greatest extent, and the use cost of the hydrogen is reduced.
In addition, the hydrogen filling system in the above technical solution provided by the present invention may further have the following additional technical features:
in the above technical solution, further, the control valve is specifically configured to: based on the fact that the pressure of the hydrogen in the gas storage cavity is larger than or equal to a preset pressure value, the control valve conducts the gas storage cavity and the hydrogenation device, so that the hydrogen in the gas storage cavity is injected into the hydrogenation device; and based on the fact that the pressure of the hydrogen in the gas storage cavity is smaller than a preset pressure value, the control valve conducts the gas storage cavity and the hydrogen fuel cell power generation device, so that the hydrogen in the gas storage cavity is injected into the hydrogen fuel cell power generation device.
In the technical scheme, under the condition that the pressure value of the hydrogen in the gas storage cavity is greater than or equal to the preset pressure value, the control valve is controlled to conduct the gas storage cavity and the hydrogenation device, so that the hydrogen in the gas storage cavity is injected into the hydrogenation device, and the hydrogenation device is used for hydrogenating the hydrogen energy vehicle. Further, under the condition that the pressure of the hydrogen in the gas storage cavity is smaller than a preset pressure value, the control valve is controlled to conduct the gas storage cavity and the hydrogen fuel cell power generation device, so that the hydrogen in the gas storage cavity is injected into the hydrogen fuel cell power generation device to provide fuel for the hydrogen fuel cell power generation device, and the hydrogen fuel cell power generation device is enabled to generate power.
It will be appreciated that the predetermined pressure value is equal to or slightly greater than the maximum value of the pressure at the gas-taking end of the compressor of the hydrogen filling station. Therefore, when the pressure of the hydrogen in the long-tube trailer reaches the maximum value of the pressure at the gas taking end of the compressor of the hydrogenation station and cannot be used by the compressor, the gas storage cavity and the hydrogen fuel cell power generation device can be communicated in time through the control valve, so that the hydrogen in the gas storage cavity is injected into the hydrogen fuel cell power generation device to provide fuel for the hydrogen fuel cell power generation device, and the hydrogen fuel cell power generation device generates power. Like this, can guarantee remaining hydrogen in long-tube trailer and minimize to can promote the utilization ratio of hydrogen in the long-tube trailer to the at utmost, and then reduce the use cost of hydrogen.
In any of the above technical solutions, further, the hydrogen fuel cell power generation device is connected to the long-tube trailer and the hydrogenation device to supply power to the long-tube trailer and the hydrogenation device.
In the technical scheme, the hydrogen fuel cell power generation device is connected with the long-tube trailer and the hydrogenation device. The hydrogen in the gas storage cavity enters the hydrogen fuel cell power generation device to provide fuel for the hydrogen fuel cell power generation device, so that after the hydrogen fuel cell power generation device generates electricity, the hydrogen fuel cell power generation device can provide electricity for the long pipe trailer and the hydrogenation device through the connection between the hydrogen fuel cell power generation device and the long pipe trailer and the connection between the hydrogen fuel cell power generation device and the hydrogenation device, and the electricity is used for the internal electricity of the long pipe trailer and the working electricity of the hydrogenation device.
Like this, generate electricity through injecting hydrogen fuel cell power generation facility with remaining hydrogen in the long-tube trailer, and then use produced electric power input long-tube trailer and hydrogenation unit of hydrogen fuel cell power generation facility, promote the utilization ratio of hydrogen in the long-tube trailer, when reducing hydrogen use cost, still can provide electric power for other devices in the hydrogen filling system, reduced the whole power consumption of hydrogen filling system.
In any of the above technical solutions, further, the hydrogenation apparatus includes: the compressor is communicated with the gas storage cavity, and the pressure of the hydrogen in the gas storage cavity is increased after the hydrogen is injected into the compressor; the first hydrogen storage piece is communicated with the compressor and used for storing the hydrogen after the pressure of the compressor is increased; the hydrogenation machine is communicated with the first hydrogen storage piece, the hydrogenation machine can be communicated with an external vehicle, and the first hydrogen storage piece is used for providing hydrogen for the hydrogenation machine so that the hydrogenation machine hydrogenates hydrogen into the external vehicle.
In the technical scheme, the hydrogenation device specifically comprises a compressor, a first hydrogen storage piece and a hydrogenation machine. Wherein, the compressor is communicated with the gas storage cavity, the first hydrogen storage piece is communicated with the compressor, and the hydrogenation machine is communicated with the first hydrogen storage piece.
In the technical scheme, the compressor is communicated with the gas storage cavity in the long-tube trailer, and after hydrogen in the gas storage cavity is injected into the compressor, the compressor boosts the pressure of the hydrogen in the gas storage cavity to increase the pressure difference of the hydrogen so as to facilitate subsequent hydrogenation. On the basis, the first hydrogen storage piece is communicated with the compressor, and hydrogen after being boosted by the compressor is injected into the first hydrogen storage piece and stored in the first hydrogen storage piece to prepare for subsequent hydrogenation. Further, the hydrogenation machine is communicated with the first hydrogen storage piece, the hydrogenation machine can be communicated with an external hydrogen energy vehicle, and the first hydrogen storage piece can provide hydrogen for the hydrogenation machine so that the hydrogenation machine can hydrogenate the hydrogen energy vehicle communicated with the hydrogenation machine. Specifically, when the hydrogen energy vehicle is communicated with the hydrogenation machine and the hydrogenation machine needs the hydrogenation machine to hydrogenate the hydrogen energy vehicle, the hydrogen stored in the first hydrogen storage part after being boosted is injected into the hydrogenation machine, and then the hydrogen is injected into the hydrogen energy vehicle through the hydrogenation machine, so that the hydrogenation of the hydrogen energy vehicle is completed.
In any one of the above aspects, further, the hydrogen fuel cell power generation device includes: the pressure relief device is communicated with the air storage cavity; the second hydrogen storage piece is communicated with the pressure relief device, and the pressure relief device is used for injecting the hydrogen in the gas storage cavity into the second hydrogen storage piece for storage; and the hydrogen fuel cell stack is communicated with a second hydrogen storage piece, and the second hydrogen storage piece is used for providing hydrogen for the hydrogen fuel cell stack so as to enable the hydrogen fuel cell stack to generate electricity.
In the technical scheme, the hydrogen fuel cell power generation device specifically comprises a pressure relief device, a second hydrogen storage piece and a hydrogen fuel cell stack. The pressure relief device is communicated with the gas storage cavity, the second hydrogen storage piece is communicated with the pressure relief device, and the hydrogen fuel cell stack is communicated with the second hydrogen storage piece.
In the technical scheme, when the pressure of hydrogen in the long-tube trailer is less than the maximum value of the pressure at the gas taking end of the compressor and cannot be used by the compressor for taking gas, the gas storage cavity and the hydrogen fuel cell power generation device are communicated through the control valve, so that the hydrogen in the gas storage cavity is injected into the hydrogen fuel cell power generation device to provide fuel for the hydrogen fuel cell power generation device, and the hydrogen fuel cell power generation device generates power.
Specifically, the control valve is located between gas storage chamber and the pressure relief device, when hydrogen pressure in the long tube trailer is less than the maximum value (predetermine the pressure value promptly) of above-mentioned compressor gas-taking end pressure, change the on-state of control valve, so that the gas storage chamber in the long tube trailer is linked together with above-mentioned pressure relief device, pressure relief device stores up hydrogen spare with the second again and is linked together, remaining hydrogen in the long tube trailer passes through pressure relief device and shifts to the second and stores up hydrogen spare in, and preserve in the second stores up hydrogen spare, prepare for subsequent operation. Further, the second hydrogen storage member is communicated with the hydrogen fuel cell stack, and hydrogen stored in the second hydrogen storage member is injected into the hydrogen fuel cell stack to provide hydrogen fuel for the hydrogen fuel stack so as to complete power generation.
It can be understood that pressure relief device's pressure release pressure should be far less than the pressure of remaining hydrogen in the long tube trailer, like this, can guarantee that the hydrogen of remaining in the long tube trailer is shifted to the second as far as possible and stores up in the hydrogen to but the furthest promotes the utilization ratio of hydrogen in the long tube trailer, and then reduces the use cost of hydrogen.
Specifically, the pressure relief device may be a pressure relief valve, a pressure relief valve group, or other pressure relief devices, which may be selected according to actual conditions, and is not specifically limited herein.
In any of the above technical solutions, further, the hydrogen filling system further includes: and the cooling device is communicated with the compressor and the hydrogenation machine and is used for cooling the compressor and the hydrogenation machine.
In the technical scheme, the hydrogen filling system further comprises a cooling device, and the cooling device is communicated with the compressor and the hydrogenation machine.
In the actual use process, the compressor and the hydrogenation machine can generate more heat during working, so that the temperature of the compressor and the hydrogenation machine is higher, certain damage can be caused to the compressor and the hydrogenation machine while potential safety hazards are caused, the service life of the compressor and the hydrogenation machine is influenced, and the use cost is increased. In the technical scheme, the hydrogen filling system further comprises a cooling device, specifically, cold water is stored in the cooling device, the cooling device is communicated with the compressor and the hydrogenation machine, and when the hydrogen filling system is used, the cooling device is used for providing cold water for the compressor and the hydrogenation machine so as to cool the compressor and the hydrogenation machine, and the service lives of the compressor and the hydrogenation machine are guaranteed.
Specifically, a circulation pipeline can be arranged among the cooling device, the compressor and the hydrogenation machine, so that the compressor and the hydrogenation machine can be cooled through water circulation.
In any of the above technical solutions, further, the hydrogen filling system further includes: and the hydrogen fuel cell power generation device is connected with an external first power storage device through the inverter device so as to provide electric energy for the first power storage device.
In the technical scheme, the hydrogen filling system further comprises an inverter, and the hydrogen fuel cell power generation device can be connected with a first power storage device outside the hydrogen filling system through the inverter, so that redundant electric energy generated by the hydrogen fuel cell power generation device is input into the first power storage device to supply power for other devices, systems or equipment outside the hydrogen filling system, the overall performance of the hydrogen filling system is improved, and the power consumption cost are reduced.
The Current generated by the hydrogen fuel cell power generation device is Direct Current, the inverter device can be a DC-AC (Direct-Current-Alternating Current) inverter, and the Direct Current power generated by the hydrogen fuel cell power generation device is converted into Alternating Current power by the inverter device and then input into the first power storage device to supply power to other devices, systems or equipment using the Alternating Current power, so that the overall performance of the hydrogen filling system is improved, and the power consumption cost are reduced.
Specifically, the ac power generated by the hydrogen fuel cell power generation device may be converted into ac power by the inverter device, and the frequency, voltage, and phase of the converted ac power may be adjusted to grid-connect the power generated by the hydrogen fuel cell power generation device.
In any of the above technical solutions, further, the hydrogenation apparatus further includes: the gas storage cavity is communicated with one end of the gas discharging column, the compressor is communicated with the other end of the gas discharging column, and the gas storage cavity provides hydrogen for the compressor through the gas discharging column.
In the technical scheme, the hydrogenation device further comprises an air discharging column which is positioned between the long tube trailer and the compressor, specifically, one end of the air discharging column is communicated with the air storage cavity in the long tube trailer, and the other end of the air discharging column is communicated with the compressor.
In actual use, when the long tube trailer reachs the region of unloading at hydrogenation station, the long tube trailer is connected through coupling hose and the one end of unloading the gas column to make the gas storage chamber and unload the gas column and be linked together, on this basis, the other end of unloading the gas column communicates with the compressor, and like this, hydrogen in the long tube trailer is compressed in getting into the compressor through unloading the gas column, and then through first hydrogen storage piece, hydrogenation machine etc. realize the hydrogenation to outside hydrogen energy vehicle. Through unloading the hydrogen injection compressor of post in with the long tube trailer and compress, be convenient for long tube trailer and compressor between be connected and dismantle, can rise hydrogen station staff's work efficiency.
In addition, the gas discharging column can also be used for metering gas injected into the compressor, so that a worker can more intuitively master the hydrogen transfer condition.
In any one of the above aspects, further, the hydrogen fuel cell power generation device further includes: and the pressure reducing valve is communicated with the second hydrogen storage piece and the hydrogen fuel cell stack, and the second hydrogen storage piece provides hydrogen for the hydrogen fuel cell stack through the pressure reducing valve.
In the technical scheme, the hydrogen fuel cell power generation device further comprises a pressure reducing valve which is communicated between the second hydrogen storage piece and the hydrogen fuel cell stack.
In the actual use, remaining hydrogen in the long-tube trailer is injected into and is stored to the second hydrogen storage piece through pressure relief device, and hydrogen in the second hydrogen storage piece is then injected into the hydrogen fuel cell stack through the relief valve to provide hydrogen fuel for it and then accomplish the electricity generation. The pressure of hydrogen in the second hydrogen storage piece can be adjusted by the pressure reducing valve to ensure the pressure stability of the hydrogen injected into the hydrogen fuel cell stack, so that the normal operation of the power generation process is ensured, and the reliability of the hydrogen fuel cell power generation device is improved.
A second aspect of the present invention provides a hydrogen refueling station comprising: the hydrogen filling system defined in any of the above claims; and the first electricity storage device is connected with the hydrogen fuel cell power generation device in the hydrogen filling system and is used for receiving the electric energy input by the hydrogen fuel cell power generation device and supplying power to other devices in the hydrogen station.
The hydrogen station provided by the utility model comprises the hydrogen filling system defined in any one of the technical schemes, so that the hydrogen station provided by the utility model has all the beneficial effects of the hydrogen filling system defined in any one of the technical schemes, and the details are not repeated.
The hydrogen filling station further includes a first electricity storage device connected to the hydrogen fuel cell power generation device in the hydrogen filling system according to the first aspect, and specifically, the first electricity storage device is connected to an inverter device in the hydrogen fuel cell power generation device.
In the actual use process, the inverter device can convert the direct current electric energy generated by the hydrogen fuel cell power generation device into the alternating current electric energy and then input the alternating current electric energy into the first power storage device to supply power to other devices, systems or equipment using the alternating current electric energy, so that the overall performance of the hydrogen filling system is improved, and the power consumption cost are reduced.
Specifically, the electric energy generated by the hydrogen fuel cell power generation device may be converted into ac electric energy by the inverter device, and the frequency, voltage, and phase of the converted ac electric energy may be adjusted to achieve grid connection of electric power.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 shows one of the structural block diagrams of a hydrogen filling system proposed by an embodiment of the present invention;
fig. 2 shows a second block diagram of the hydrogen filling system according to the embodiment of the present invention;
fig. 3 shows a third block diagram of the hydrogen filling system according to the embodiment of the present invention;
fig. 4 is a fourth block diagram showing the structure of a hydrogen gas filling system according to the embodiment of the present invention;
fig. 5 shows a fifth block diagram of the hydrogen filling system according to the embodiment of the present invention;
fig. 6 shows a sixth structural block diagram of a hydrogen gas filling system according to an embodiment of the present invention;
fig. 7 shows a block diagram of a hydrogen station according to an embodiment of the present invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be described in further detail below with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A hydrogen gas filling system and a hydrogen filling station according to some embodiments of the present invention are described below with reference to fig. 1 to 7.
Embodiments of a first aspect of the utility model provide a hydrogen filling system. In some embodiments of the present invention, as shown in fig. 1, there is provided a hydrogen filling system 100 including: the pipe trailer 102 comprises a gas storage cavity 1022, and hydrogen is stored in the gas storage cavity 1022; the hydrogenation device 104 is communicated with the gas storage cavity 1022; a hydrogen fuel cell power generation device 106 communicating with the gas storage chamber 1022; the control valve 108 is connected among the gas storage cavity 1022, the hydrogenation device 104 and the hydrogen fuel cell power generation device 106, and the control valve 108 is used for conducting the gas storage cavity 1022 and the hydrogenation device 104 or conducting the gas storage cavity 1022 and the hydrogen fuel cell power generation device 106 so as to inject hydrogen in the gas storage cavity 1022 into the hydrogenation device 104 or the hydrogen fuel cell power generation device 104.
The hydrogen filling system 100 provided by the utility model comprises a long-tube trailer 102, a hydrogenation device 104 and a hydrogen fuel cell power generation device 106. The long-tube trailer 102 further comprises a gas storage cavity 1022, hydrogen is stored in the gas storage cavity 1022, and the hydrogenation device 104 and the hydrogen fuel cell power generation device 106 are both communicated with the gas storage cavity 1022. In this way, the hydrogen in the gas storage cavity 1022 can enter the hydrogenation device 104 to hydrogenate the hydrogen energy vehicle by the hydrogenation device 104, or the hydrogen in the gas storage cavity 1022 can enter the hydrogen fuel cell power generation device 106 to supply fuel to the hydrogen fuel cell power generation device 106, so that the hydrogen fuel cell power generation device 106 generates power. Like this, add hydrogen fuel cell power generation facility 106 on hydrogenation device 104 basis, when carrying out the hydrogenation through long-tube trailer 102, hydrogen in the long-tube trailer 102 can be utilized by hydrogenation device 104 and hydrogen fuel cell power generation facility 106, has promoted the utilization ratio of hydrogen in the long-tube trailer 102, has reduced the use cost of hydrogen.
The hydrogen filling system 100 further includes a control valve 108. The control valve 108 is connected among the gas storage chamber 1022, the hydrogenation unit 104, and the hydrogen fuel cell power generation unit 106. Like this, through the connected state that changes control valve 108, steerable gas storage chamber 1022 and hydrogenation unit 104 switch on, perhaps control gas storage chamber 1022 and hydrogen fuel cell power generation facility 106 switch on, and then hydrogen in the steerable gas storage chamber 1022 gets into hydrogenation unit 104 or hydrogen fuel cell power generation facility 106, thereby make hydrogenation unit 104 can hydrogenate for the hydrogen energy vehicle, perhaps make hydrogen fuel cell power generation facility 106 can realize the electricity generation, the utilization ratio of hydrogen in the long-tube trailer 102 has been promoted, the use cost of hydrogen has been reduced.
In the hydrogen filling system 100 of the present invention, as shown in fig. 1, the hydrogen filling system 100 further includes a controller 112 electrically connected to the control valve 108, the hydrogen fuel cell power generation device 106, and the hydrogenation device 104. The controller 112 controls the conduction state of the control valve 108 to enable the control valve 108 to conduct the gas storage cavity 1022 and the hydrogenation device 104, or enable the control valve 108 to conduct the gas storage cavity 1022 and the hydrogen fuel cell power generation device 106, so that hydrogen in the gas storage cavity 1022 is injected into the hydrogenation device 104 or the hydrogen fuel cell power generation device 106, multiple utilization of hydrogen in the gas storage cavity 1022 is achieved, and the utilization rate of the hydrogen is improved.
In actual use, when hydrogen is supplied to the hydrogen refueling station through the tube trailer 102, the utilization rate of the hydrogen in the tube trailer 102 is limited by the compression capacity of the compressor 1042 of the hydrogen refueling station. Specifically, the hydrogen in the long tube trailer 102 has a certain initial pressure, the pressure at the gas taking end of the compressor 1042 of the hydrogenation station is 5MPa to 7MPa at most, the pressure of the hydrogen in the long tube trailer 102 gradually decreases as the hydrogenation process proceeds, and once the pressure of the hydrogen in the long tube trailer 102 is smaller than the maximum pressure at the gas taking end of the compressor 1042 of the hydrogenation station, the hydrogen cannot be taken by the compressor 1042 and is finally left in the long tube trailer 102. The hydrogen filling system 100 provided by the utility model is additionally provided with the hydrogen fuel cell power generation device 106 on the basis of the hydrogenation device 104, and a control valve 108 is arranged among the gas storage cavity 1022, the hydrogenation device 104 and the hydrogen fuel cell power generation device 106, so that hydrogen in the gas storage cavity 1022 is filled into the hydrogenation device 104 or the hydrogen fuel cell power generation device 106. Specifically, after the hydrogenation device 104 hydrogenates the external vehicle, the controller 112 changes the open state of the control valve 108 to inject the hydrogen with low pressure left in the long-tube trailer 102 into the hydrogen fuel cell power generation device 106 for power generation, so that the utilization rate of the hydrogen in the long-tube trailer 102 is improved, and the use cost of the hydrogen is reduced.
Specifically, the control valve 108 may be a three-way valve, a first end of the three-way valve is connected to the gas storage chamber 1022, a second end of the three-way valve is connected to the hydrogenation apparatus 104, and a third end of the three-way valve is connected to the hydrogen fuel cell power generation apparatus 106.
In summary, the hydrogen filling system 100 provided by the present invention adds the hydrogen fuel cell power generation device 106 on the basis of the hydrogenation device 104, and when hydrogenation is performed through the long-tube trailer 102, once the pressure of hydrogen in the long-tube trailer 102 is smaller than the maximum value of the pressure at the gas extraction end of the compressor 1042 of the hydrogenation station and cannot be used for gas extraction by the compressor 1042, the conducting state of the control valve 108 is changed in time through the controller 112, so that the control valve 108 conducts the gas storage cavity 1022 and the hydrogen fuel cell power generation device 106, and further the hydrogen in the gas storage cavity 1022 is injected into the hydrogen fuel cell power generation device 106 as fuel for power generation, thereby ensuring that the hydrogen remaining in the long-tube trailer 102 is as little as possible, improving the utilization rate of hydrogen in the long-tube trailer 102 to the maximum extent, and reducing the use cost of hydrogen.
In some embodiments of the utility model, further, the control valve 108 is specifically configured to: based on the pressure of the hydrogen in the gas storage cavity 1022 being greater than or equal to the preset pressure value, the control valve 108 conducts the gas storage cavity 1022 and the hydrogenation device 104, so that the hydrogen in the gas storage cavity 1022 is injected into the hydrogenation device 104; based on the pressure of the hydrogen gas in the gas storage cavity 1022 being less than the preset pressure value, the control valve 108 conducts the gas storage cavity 1022 and the hydrogen fuel cell power generation device 106, so that the hydrogen gas in the gas storage cavity 1022 is injected into the hydrogen fuel cell power generation device 106.
In this embodiment, when the pressure value of the hydrogen gas in the gas storage cavity 1022 is greater than or equal to the preset pressure value, the controller 112 controls the control valve 108 to conduct the gas storage cavity 1022 and the hydrogenation device 104, so that the hydrogen gas in the gas storage cavity 1022 is injected into the hydrogenation device 104, and the hydrogenation device 104 hydrogenates the hydrogen energy vehicle. Further, when the pressure of the hydrogen gas in the gas storage cavity 1022 is smaller than the preset pressure value, the controller 112 controls the control valve 108 to conduct the gas storage cavity 1022 and the hydrogen fuel cell power generation device 106, so that the hydrogen gas in the gas storage cavity 1022 is injected into the hydrogen fuel cell power generation device 106 to supply fuel to the hydrogen fuel cell power generation device 106, and thus the hydrogen fuel cell power generation device 106 generates power.
It is understood that the preset pressure value is equal to or slightly greater than the maximum value of the pressure at the gas taking end of the compressor 1042 of the hydrogen filling station. Thus, when the pressure of the hydrogen in the long-tube trailer 102 is less than the maximum value of the pressure at the gas taking end of the compressor 1042 of the hydrogen refueling station and cannot be used for gas taking by the compressor 1042, the conducting state of the control valve 108 can be changed in time to enable the control valve 108 to conduct the gas storage cavity 1022 and the hydrogen fuel cell power generation device 106, so that the hydrogen in the gas storage cavity 1022 is injected into the hydrogen fuel cell power generation device 106 to provide fuel for the hydrogen fuel cell power generation device 106, and the hydrogen fuel cell power generation device 106 generates power. Like this, can guarantee that the hydrogen of surplus in long-tube trailer 102 minimizes to can furthest promote the utilization ratio of hydrogen in long-tube trailer 102, and then reduce the use cost of hydrogen.
In some embodiments of the present invention, further, as shown in fig. 1, a hydrogen fuel cell power plant 106 is coupled to the tube trailer 102 and the hydrogenation unit 104 to provide power to the tube trailer 102 and the hydrogenation unit 104.
In this embodiment, the hydrogen fuel cell power plant 106 is connected to both the tube trailer 102 and the hydrogenation unit 104. After the hydrogen gas in the gas storage cavity 1022 enters the hydrogen fuel cell power generation device 106 to supply fuel to the hydrogen fuel cell power generation device 106, so that the hydrogen fuel cell power generation device 106 generates power, the hydrogen fuel cell power generation device 106 can supply power to the long-tube trailer 102 and the hydrogenation device 104 through the connection between the long-tube trailer 102 and the hydrogenation device 104, so as to supply power for the internal power of the long-tube trailer 102 and the working power of the hydrogenation device 104.
Like this, generate electricity through injecting hydrogen fuel cell power generation facility 106 with remaining hydrogen in the long-tube trailer 102, and then use the produced electric power input long-tube trailer 102 of hydrogen fuel cell power generation facility 106 and hydrogenation 104, promote the utilization ratio of hydrogen in long-tube trailer 102, when reducing hydrogen use cost, still can provide electric power for other devices in the hydrogen filling system 100, reduced the whole power consumption of hydrogen filling system 100.
In some embodiments of the present invention, further, as shown in fig. 2, the hydrogenation apparatus 104 specifically includes: the compressor 1042 is communicated with the gas storage cavity 1022, and the hydrogen in the gas storage cavity 1022 is injected into the compressor 1042 and then is boosted; a first hydrogen storage 1044, communicating with the compressor 1042, for storing the hydrogen gas pressurized by the compressor 1042; a hydrogenator 1046 in communication with the first hydrogen storage 1044, the hydrogenator 1046 capable of communicating with an external vehicle, the first hydrogen storage 1044 for providing hydrogen to the hydrogenator 1046 for hydrogenating the hydrogenator 1046 in the external vehicle.
In this embodiment, the hydrogenation apparatus 104 specifically includes a compressor 1042, a first hydrogen storage 1044, and a hydrogenation unit 1046. Wherein, the compressor 1042 is communicated with the gas storage chamber 1022, the first hydrogen storage part 1044 is communicated with the compressor 1042, and the hydrogenation unit 1046 is communicated with the first hydrogen storage part 1044.
In this embodiment, the compressor 1042 is communicated with the gas storage cavity 1022 in the long-tube trailer 102, and after the hydrogen in the gas storage cavity 1022 is injected into the compressor 1042, the compressor 1042 boosts the pressure of the hydrogen therein to increase the pressure difference of the hydrogen, so as to facilitate the subsequent hydrogenation. On this basis, the first hydrogen storage 1044 is communicated with the compressor 1042, and the hydrogen gas after being pressurized by the compressor 1042 is injected into the first hydrogen storage 1044 and stored in the first hydrogen storage 1044 to prepare for the subsequent hydrogenation. Further, the hydrogenation unit 1046 is in communication with the first hydrogen storage component 1044, and the hydrogenation unit 1046 can be in communication with an external hydrogen vehicle, and the first hydrogen storage component 1044 can provide hydrogen gas to the hydrogenation unit 1046 so that the hydrogenation unit 1046 hydrogenates the hydrogen vehicle in communication with the hydrogenation unit. Specifically, when the hydrogen energy vehicle is communicated with the hydrogenation unit 1046 and the hydrogenation unit 1046 needs to hydrogenate the hydrogen energy vehicle, the boosted hydrogen stored in the first hydrogen storage member 1044 is injected into the hydrogenation unit 1046, and then is injected into the hydrogen energy vehicle through the hydrogenation unit 1046, so as to complete hydrogenation of the hydrogen energy vehicle.
In some embodiments of the present invention, as shown in fig. 2, the hydrogen fuel cell power generation device 106 specifically includes: the pressure relief device 1062 is communicated with the air storage cavity 1022; a second hydrogen storage part 1064, which is communicated with the pressure relief device 1062, wherein the pressure relief device 1062 is used for injecting the hydrogen in the gas storage cavity 1022 into the second hydrogen storage part 1064 for storage; the hydrogen fuel cell stack 1066 is in communication with a second hydrogen storage 1064, and the second hydrogen storage 1064 is configured to provide hydrogen to the hydrogen fuel cell stack 1066, so that the hydrogen fuel cell stack 1066 generates electricity.
In this embodiment, the hydrogen fuel cell power generation device 106 specifically includes a pressure relief device 1062, a second hydrogen storage 1064, and a hydrogen fuel cell stack 1066. The pressure relief device 1062 is communicated with the gas storage cavity 1022, the second hydrogen storage piece 1064 is communicated with the pressure relief device 1062, and the hydrogen fuel cell stack 1066 is communicated with the second hydrogen storage piece 1064.
In the solution of this technology, when the pressure of the hydrogen gas in the long-tube trailer 102 is less than the maximum value of the pressure at the gas-taking end of the compressor 1042 and cannot be used for gas-taking by the compressor 1042, the gas storage cavity 1022 and the hydrogen fuel cell power generation device 106 are conducted by the control valve 108, so that the hydrogen gas in the gas storage cavity 1022 is injected into the hydrogen fuel cell power generation device 106 to provide fuel for the hydrogen fuel cell power generation device 106, thereby enabling the hydrogen fuel cell power generation device 106 to generate power.
Specifically, the control valve 108 is located between the gas storage cavity 1022 and the pressure relief device 1062, when the pressure of the hydrogen gas in the tube trailer 102 is smaller than the maximum pressure (i.e., the preset pressure value) at the gas extraction end of the compressor 1042, the conduction state of the control valve 108 is changed to communicate the gas storage cavity 1022 in the tube trailer 102 with the pressure relief device 1062, the pressure relief device 1062 is further communicated with the second hydrogen storage element 1064, and the remaining hydrogen gas in the tube trailer 102 is transferred to the second hydrogen storage element 1064 through the pressure relief device 1062 and stored in the second hydrogen storage element 1064 to prepare for subsequent operations. Further, a second hydrogen storage 1064 is in communication with the hydrogen fuel cell stack 1066, and hydrogen stored in the second hydrogen storage 1064 is injected into the hydrogen fuel cell stack 1066 to provide hydrogen fuel thereto to complete power generation.
It will be appreciated that the pressure relief pressure of the pressure relief device 1062 should be much less than the pressure of the remaining hydrogen in the tube trailer 102, so as to ensure that the hydrogen remaining in the tube trailer 102 is transferred to the second hydrogen storage 1064 as much as possible, thereby maximizing the utilization of the hydrogen in the tube trailer 102 and reducing the cost of using the hydrogen.
Specifically, the pressure relief device 1062 may be a pressure relief device 1062 such as a pressure relief valve, a pressure relief valve set, and may be selected according to actual conditions, which is not limited herein.
In some embodiments of the present invention, further, as shown in fig. 3, the hydrogen filling system 100 further includes: and a cooling device 114, which is communicated with the compressor 1042 and the hydrogenation unit 1046, and is used for cooling the compressor 1042 and the hydrogenation unit 1046.
In this embodiment, the hydrogen filling system 100 further includes a cooling device 114, and the cooling device 114 is in communication with both the compressor 1042 and the hydrogenation unit 1046 and is electrically connected to the controller 112.
In an actual use process, the compressor 1042 and the hydrogenation unit 1046 generate more heat during operation, so that the temperature of the compressor 1042 and the hydrogenation unit 1046 is higher, a safety hazard is caused, meanwhile, certain damage is caused to the compressor 1042 and the hydrogenation unit 1046, the service lives of the compressor 1042 and the hydrogenation unit 1046 are affected, and accordingly, the use cost is increased. In this embodiment, the hydrogen filling system 100 further includes a cooling device 114, specifically, cold water is stored in the cooling device 114, and the cooling device 114 is in communication with the compressor 1042 and the hydrogenation unit 1046. When the temperature of the compressor 1042 and the hydrogenation unit 1046 is too high, the controller 112 controls the cooling device 114 to provide cold water to the compressor 1042 and the hydrogenation unit 1046 so as to cool the compressor 1042 and the hydrogenation unit 1046, thereby ensuring the service life of the compressor 1042 and the hydrogenation unit 1046.
Specifically, a circulation pipeline may be disposed between the cooling device 114, the compressor 1042 and the hydrogenation unit 1046, so as to cool the compressor 1042 and the hydrogenation unit 1046 through water circulation.
In some embodiments of the present invention, further, as shown in fig. 4, the hydrogen filling system 100 further includes: the inverter device 116, the hydrogen fuel cell power generation device 106 is connected with the external first power storage device through the inverter device 116 to supply electric energy to the first power storage device.
In this embodiment, the hydrogen filling system 100 further includes an inverter device 116, and the hydrogen fuel cell power generation device 106 may be connected to a first power storage device outside the hydrogen filling system 100 through the inverter device 116, so as to input redundant electric energy generated by the hydrogen fuel cell power generation device 106 into the first power storage device to supply power to other devices, systems or equipment outside the hydrogen filling system 100, thereby improving the overall performance of the hydrogen filling system 100 and reducing the power consumption and the power consumption cost.
The Current generated by the hydrogen fuel cell power generation device 106 is a Direct Current, the inverter device 116 may be a DC-AC (Direct Current-Alternating Current) inverter, and the inverter device 116 converts the Direct Current power generated by the hydrogen fuel cell power generation device 106 into Alternating Current power and inputs the Alternating Current power into the first power storage device, so as to supply power to other devices, systems or equipment using the Alternating Current power, thereby improving the overall performance of the hydrogen filling system 100 and reducing the power consumption and power consumption cost.
Specifically, the ac power generated by the hydrogen fuel cell power generation device 106 may be converted into ac power by the inverter device 116, and the frequency, voltage, and phase of the converted ac power may be adjusted to grid the power generated by the hydrogen fuel cell power generation device 106.
In some embodiments of the present invention, further, as shown in fig. 5, the hydrogenation apparatus 104 further comprises: the gas discharging column 1048, the gas storage cavity 1022 is communicated with one end of the gas discharging column 1048, the compressor 1042 is communicated with the other end of the gas discharging column 1048, and the gas storage cavity 1022 supplies hydrogen to the compressor 1042 through the gas discharging column 1048.
In this embodiment, the hydrogenation apparatus 104 further comprises a gas discharge column 1048 located between the long-tube trailer 102 and the compressor 1042, specifically, one end of the gas discharge column 1048 is communicated with the gas storage cavity 1022 in the long-tube trailer 102, and the other end of the gas discharge column 1048 is communicated with the compressor 1042.
In the actual use process, when the long tube trailer 102 arrives at the unloading area of the hydrogen refueling station, the long tube trailer 102 is connected with one end of the gas discharging column 1048 through the connecting hose, so that the gas storage cavity 1022 is communicated with the gas discharging column 1048, on this basis, the other end of the gas discharging column 1048 is communicated with the compressor 1042, and thus, hydrogen in the long tube trailer 102 enters the compressor 1042 through the gas discharging column 1048 to be compressed, and then hydrogenation to an external hydrogen energy vehicle is realized through the first hydrogen storage member 1044, the hydrogenation machine 1046 and the like. The hydrogen in the long tube trailer 102 is injected into the compressor 1042 through the gas discharging column 1048 to be compressed, so that the long tube trailer 102 and the compressor 1042 can be conveniently connected and detached, and the working efficiency of the workers in the hydrogen filling station can be improved.
In addition, the gas discharge column 1048 can also be used for metering the gas injected into the compressor 1042, so that the worker can more intuitively master the hydrogen transfer condition.
In some embodiments of the present invention, further, as shown in fig. 6, the hydrogen fuel cell power generation device 106 further includes: the pressure reducing valve 1068 is communicated with the second hydrogen storage 1064 and the hydrogen fuel cell stack 1066, and the second hydrogen storage 1064 supplies hydrogen to the hydrogen fuel cell stack 1066 through the pressure reducing valve 1068.
In this embodiment, the hydrogen fuel cell power plant 106 further includes a pressure relief valve 1068 in communication between the second hydrogen storage 1064 and the hydrogen fuel cell stack 1066.
In actual use, the hydrogen remaining in the tube trailer 102 is injected into the second hydrogen storage 1064 through the pressure relief device 1062, and the hydrogen in the second hydrogen storage 1064 is further injected into the hydrogen fuel cell stack 1066 through the pressure reducing valve 1068 to provide hydrogen fuel for the hydrogen fuel to complete power generation. The pressure reducing valve 1068 can adjust the pressure of the hydrogen in the second hydrogen storage part 1064 to ensure the pressure stability of the hydrogen injected into the hydrogen fuel cell stack 1066, thereby ensuring the normal operation of the power generation process and improving the reliability of the hydrogen fuel cell power generation device 106.
Embodiments of a second aspect of the utility model provide a hydrogen refueling station. In some embodiments of the present invention, as shown in FIG. 7, there is provided a hydrogen refueling station 200 comprising: the hydrogen filling system 100 and the first electric storage device 202 as defined in any of the above embodiments.
The hydrogen refueling station 200 provided in this embodiment includes the hydrogen refueling system 100 defined in any one of the above embodiments, and therefore, the hydrogen refueling station 200 provided in this embodiment has all the beneficial effects of the hydrogen refueling system 100 defined in any one of the above embodiments, and details thereof are not repeated herein.
The hydrogen refueling station 200 of the present embodiment further includes a first electricity storage device 202, which is connected to the hydrogen fuel cell power generation device 106 of the hydrogen refueling system 100 of the first aspect, specifically, the first electricity storage device 202 is connected to the inverter device 116 of the hydrogen fuel cell power generation device 106. The first electricity storage device 202 is used for receiving the electric energy input by the hydrogen fuel cell power generation device 106 and supplying power to other devices in the hydrogen refueling station 200.
In an actual use process, the inverter device 116 may convert the dc power generated by the hydrogen fuel cell power generation device 106 into ac power and input the ac power into the first power storage device 202 to supply power to other devices, systems or equipment using the ac power, so as to improve the overall performance of the hydrogen filling system 100 and reduce power consumption and power consumption cost.
Specifically, the inverter device 116 may convert the electric energy generated by the hydrogen fuel cell power generation device 106 into ac electric energy, and adjust the frequency, voltage, and phase of the converted ac electric energy to implement grid connection of electric power.
In the present invention, the terms "mounting," "connecting," "fixing," and the like are used in a broad sense, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A hydrogen gas filling system, comprising:
the long pipe trailer comprises a gas storage cavity, and hydrogen is stored in the gas storage cavity;
the hydrogenation device is communicated with the gas storage cavity;
the hydrogen fuel cell power generation device is communicated with the gas storage cavity;
and the control valve is connected among the gas storage cavity, the hydrogenation device and the hydrogen fuel cell power generation device, and is used for switching on the gas storage cavity and the hydrogenation device or switching on the gas storage cavity and the hydrogen fuel cell power generation device so as to inject hydrogen in the gas storage cavity into the hydrogenation device or the hydrogen fuel cell power generation device.
2. A hydrogen filling system according to claim 1, wherein the control valve is specifically configured to:
based on the fact that the pressure of the hydrogen in the gas storage cavity is larger than or equal to a preset pressure value, the control valve conducts the gas storage cavity and the hydrogenation device, so that the hydrogen in the gas storage cavity is injected into the hydrogenation device;
and based on the fact that the pressure of the hydrogen in the gas storage cavity is smaller than a preset pressure value, the control valve conducts the gas storage cavity and the hydrogen fuel cell power generation device, so that the hydrogen in the gas storage cavity is injected into the hydrogen fuel cell power generation device.
3. A hydrogen gas filling system according to claim 1,
the hydrogen fuel cell power generation device is connected with the long-tube trailer and the hydrogenation device so as to supply power to the long-tube trailer and the hydrogenation device.
4. A hydrogen gas filling system according to claim 1, wherein the hydrogenation device comprises:
the compressor is communicated with the gas storage cavity, and the pressure of the hydrogen in the gas storage cavity is increased after the hydrogen is injected into the compressor;
the first hydrogen storage piece is communicated with the compressor and is used for storing the hydrogen after the pressure of the compressor is increased;
the hydrogenation machine is communicated with the first hydrogen storage piece and can be communicated with an external vehicle, and the first hydrogen storage piece is used for providing hydrogen for the hydrogenation machine so that the hydrogenation machine hydrogenates the external vehicle.
5. A hydrogen gas filling system according to claim 1, wherein the hydrogen fuel cell power generation device comprises:
the pressure relief device is communicated with the air storage cavity;
the second hydrogen storage piece is communicated with the pressure relief device, and the pressure relief device is used for injecting the hydrogen in the gas storage cavity into the second hydrogen storage piece for storage;
and the hydrogen fuel cell stack is communicated with the second hydrogen storage piece, and the second hydrogen storage piece is used for providing hydrogen for the hydrogen fuel cell stack so as to enable the hydrogen fuel cell stack to generate electricity.
6. A hydrogen gas filling system according to claim 4, further comprising:
and the cooling device is communicated with the compressor and the hydrogenation machine and is used for cooling the compressor and the hydrogenation machine.
7. A hydrogen gas filling system according to claim 1, further comprising:
and the hydrogen fuel cell power generation device is connected with an external first power storage device through the inverter device so as to provide electric energy for the first power storage device.
8. A hydrogen gas filling system according to claim 4, wherein the hydrogenation apparatus further comprises:
the gas storage cavity is communicated with one end of the gas discharging column, the compressor is communicated with the other end of the gas discharging column, and the gas storage cavity supplies hydrogen to the compressor through the gas discharging column.
9. A hydrogen gas filling system according to claim 5, wherein the hydrogen fuel cell power generation device further comprises:
and the pressure reducing valve is communicated with the second hydrogen storage piece and the hydrogen fuel cell stack, and the second hydrogen storage piece provides hydrogen for the hydrogen fuel cell stack through the pressure reducing valve.
10. A hydrogen station, comprising:
a hydrogen gas filling system as defined in any one of claims 1 to 9;
and the first electricity storage device is connected with the hydrogen fuel cell power generation device in the hydrogen filling system and is used for receiving the electric energy input by the hydrogen fuel cell power generation device and supplying electricity to other devices in the hydrogen filling station.
CN202122978933.6U 2021-11-30 2021-11-30 Hydrogen filling system and hydrogen filling station Active CN216480233U (en)

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