CN114923116B - Large-flow filling control system and control method based on hydrogenation machine - Google Patents
Large-flow filling control system and control method based on hydrogenation machine Download PDFInfo
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- CN114923116B CN114923116B CN202210738865.2A CN202210738865A CN114923116B CN 114923116 B CN114923116 B CN 114923116B CN 202210738865 A CN202210738865 A CN 202210738865A CN 114923116 B CN114923116 B CN 114923116B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/026—Special adaptations of indicating, measuring, or monitoring equipment having the temperature as the parameter
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/028—Special adaptations of indicating, measuring, or monitoring equipment having the volume as the parameter
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/04—Methods for emptying or filling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/06—Controlling or regulating of parameters as output values
- F17C2250/0605—Parameters
- F17C2250/0621—Volume
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/06—Controlling or regulating of parameters as output values
- F17C2250/0605—Parameters
- F17C2250/0626—Pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/06—Controlling or regulating of parameters as output values
- F17C2250/0605—Parameters
- F17C2250/0631—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/04—Reducing risks and environmental impact
- F17C2260/042—Reducing risk of explosion
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a high-flow filling control system based on a hydrogenation machine and a control method, and relates to the technical field of hydrogenation stations. According to the invention, the hydrogenation controller controls the regulating valve to regulate the pressure reduction, so that the high-flow hydrogen filling is realized, the high-efficiency and quick hydrogen filling of the hydrogenation station is realized, and the market competitiveness is improved.
Description
Technical Field
The invention relates to the technical field of hydrogenation stations, in particular to a control system and a control method for high-flow filling based on a hydrogenation machine.
Background
The hydrogen energy is a recognized clean energy, and the calorific value of the hydrogen is the highest in common fuels and is about 3 times of that of petroleum and 4.5 times of that of coal, so that the hydrogen energy automobile has outstanding advantages in the aspects of reducing air pollution, reducing greenhouse gas emission, reducing dependence on traditional energy and the like, and the hydrogen station is a gas station for providing hydrogen for the fuel cell automobile, and the construction of the hydrogen station is gradually accelerated along with the development of the hydrogen energy.
Along with the development of national clean energy, hydrogen energy automobiles are increased, and more vehicles store hydrogen in a large scale, from minibuses, buses to heavy trucks; the small-sized passenger car is filled with small flow because the amount of stored hydrogen is 3-5 kg, the filling flow is 0-3.6 kg/min, the average filling flow is 2kg/min, and the filling can be completed within 3-5 min. However, with the application of the fuel cell in heavy-duty transportation machines such as buses, heavy trucks and ships, the hydrogen storage capacity of the fuel cell can reach more than 40kg, and the fuel cell cannot be filled at a small flow, so that the fuel cell cannot meet the application, and the fuel cell needs to be filled at a large flow, namely the filling flow is more than 3.6 kg/min. Aiming at the current vehicles with large hydrogen storage quantity, the hydrogen filling requirements of hydrogen filling stations on hydrogen are improved effectively and rapidly.
Thus, to accommodate market demand, a high flow filling system is needed.
Disclosure of Invention
The invention aims at: the high-flow filling control system and the control method based on the hydrogenation machine are provided, and the high-flow filling is realized by utilizing the decompression adjustment of an automatic regulating valve so as to solve the problem of high-flow hydrogenation in the background technology.
The technical scheme adopted by the invention is as follows:
the invention relates to a high-flow filling control system based on a hydrogenation machine, which comprises a flowmeter, a regulating valve, a first pressure transmitter, a second pressure transmitter and a temperature transmitter which are connected through a hydrogenation pipeline, wherein the hydrogen output end of the hydrogenation pipeline is connected with a vehicle-mounted gas cylinder, the system also comprises an infrared detection device for detecting hydrogen storage information of the vehicle-mounted gas cylinder, and a hydrogenation controller, the hydrogenation controller is in communication connection with the flowmeter, the first pressure transmitter, the second pressure transmitter, the temperature transmitter and the infrared detection device, the hydrogenation controller is in control connection with the regulating valve, and the opening degree of the regulating valve is controlled to regulate hydrogenation pressure and control the whole hydrogenation process.
Further, the hydrogen storage information of the vehicle-mounted gas cylinder comprises the hydrogen storage volume of the vehicle-mounted gas cylinder, the hydrogen storage pressure of the vehicle-mounted gas cylinder and the hydrogen storage temperature of the vehicle-mounted gas cylinder.
Furthermore, the hydrogenation pipeline is also provided with an emergency cut-off valve, the emergency cut-off valve is arranged on the hydrogenation pipeline between the first pressure transmitter and the second pressure transmitter, the hydrogenation controller is in control connection with the emergency cut-off valve, the hydrogenation controller controls the emergency cut-off valve to switch, problems occur in the hydrogenation process, and the emergency cut-off valve is controlled to be cut off through the hydrogenation controller.
Further, the hydrogenation controller is a singlechip or a PLC.
A control method for high-flow filling based on a hydrogenation machine comprises the following steps:
step 1, before hydrogenation, acquiring hydrogen storage volume VT-CAR1, pressure PT-CAR1 and temperature TT-CAR1 of a vehicle-mounted gas cylinder, and calculating three parameters of the hydrogen storage volume VT-CAR1, the pressure PT-CAR1 and the temperature TT-CAR1 to obtain the hydrogen mass Q required to be filled in the vehicle-mounted gas cylinder;
step 2, acquiring the hydrogen mass Q value in the step 1, and calculating with the filling flow V in a high-flow filling protocol to obtain filling time T required by filling the hydrogen of the vehicle-mounted gas cylinder, namely T=Q/V;
step 3, obtaining the upper limit value of the pressure of the hydrogen filled in the vehicle-mounted gas cylinder as P-MAX, and the pressure PT-CAR1 before filling the vehicle-mounted gas cylinder in step 1 and the filling time T in step 2, and calculating to obtain the boosting rate delta P;
step 4, in the hydrogenation process, the pressure value of the second pressure transmitter is PV, SP is the real-time pressure in the vehicle-mounted gas cylinder in the hydrogenation process, and SP is increased by one delta P value per second in the hydrogenation process, namelyOP is the real-time opening value of the regulating valve, and in the whole hydrogenation boosting process, the opening value OP of the regulating valve is regulated according to PID to enable the PV value to always follow the SP value to be improved, and finally the required upper pressure limit P-MAX of the vehicle-mounted gas cylinder is reached.
Further, in the step 3, a specific calculation formula of the boost rate Δp is: ΔP=P-MAX-PT-CAR 1/T.
Further, the hydrogen storage volume VT-CAR1, the pressure PT-CAR1 and the temperature TT-CAR1 of the vehicle-mounted gas cylinder and the real-time pressure SP of the vehicle-mounted gas cylinder are obtained by an infrared detection device and are communicated to a hydrogenation controller, the opening value of a regulating valve is controlled after calculation by the hydrogenation controller, and finally the upper pressure limit P-MAX required by the vehicle-mounted gas cylinder is reached.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. the invention relates to a control system and a control method for high-flow filling based on a hydrogenation machine, which are characterized in that an infrared detection device is used for reading the volume, pressure and temperature of a gas cylinder in a vehicle-mounted gas cylinder of a hydrogenation vehicle to calculate, and then a hydrogenation controller is used for controlling a regulating valve to regulate pressure reduction, so that high-flow hydrogen filling of the hydrogenation vehicle with the pressure of 35MPa and 70MPa is realized, the hydrogenation time is shortened by improving the hydrogenation rate, the system is more suitable for the market demand, the high-efficiency and quick hydrogen filling of a hydrogenation station is realized, and the market competitiveness is improved.
Drawings
For a clearer description of the technical solutions of embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and should not be considered limiting in scope, and other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a system block diagram of the present invention;
fig. 2 is a graph of the hydrogen addition boost process of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be understood that the terms "upper," "lower," "left," "right," and the like indicate an orientation or positional relationship based on that shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The features and capabilities of the present invention are described in further detail below in connection with examples.
Example 1
As shown in fig. 1, the high-flow filling control system based on the hydrogenation machine comprises a flowmeter 1, a regulating valve 2, a first pressure transmitter 3, a second pressure transmitter 5 and a temperature transmitter 6 which are connected through a hydrogenation pipeline 9, wherein the hydrogen output end of the hydrogenation pipeline 9 is connected with a vehicle-mounted gas cylinder 7, the system further comprises an infrared detection device 8 for detecting hydrogen storage information of the vehicle-mounted gas cylinder 7, and a hydrogenation controller 10, the hydrogenation controller 10 is in communication connection with the flowmeter 1, the first pressure transmitter 3, the second pressure transmitter 5, the temperature transmitter 6 and the infrared detection device 8, the hydrogenation controller 10 is in control connection with the regulating valve 2, and the opening degree of the regulating valve 2 is controlled to regulate the hydrogenation pressure, so that the whole hydrogenation process is controlled.
Preferably, the hydrogen storage information of the vehicle-mounted gas cylinder 7 includes the hydrogen storage volume of the vehicle-mounted gas cylinder 7, the hydrogen storage pressure of the vehicle-mounted gas cylinder 7 and the hydrogen storage temperature of the vehicle-mounted gas cylinder 7.
Preferably, the hydrogenation pipeline 9 is further provided with an emergency cut-off valve 4, the emergency cut-off valve 4 is arranged on the hydrogenation pipeline 9 between the first pressure transmitter 3 and the second pressure transmitter 5, the hydrogenation controller 10 is in control connection with the emergency cut-off valve 4, the hydrogenation controller 10 controls the emergency cut-off valve 4 to switch, problems occur in the hydrogenation process, and the emergency cut-off valve 4 is controlled to cut off through the hydrogenation controller 10.
Preferably, the hydrogenation controller 10 is a single-chip microcomputer or a PLC.
In the present invention,
the flowmeter 1 is used for detecting the hydrogen flow in the hydrogenation process and metering;
the regulating valve 2 is used for regulating the hydrogen pressure of the hydrogenation pipeline 9 behind the regulating valve 2 in the hydrogenation process;
a first pressure transmitter 3 for detecting the hydrogen pressure of the hydrogenation line 9 during hydrogenation;
an emergency cut-off valve 4, wherein problems occur in the hydrogenation process, and the emergency cut-off valve 4 is disconnected to perform emergency cut-off;
the second pressure transmitter 5 is used for detecting the hydrogen pressure of the hydrogenation pipeline 9 in the hydrogenation process and participating in PID regulation;
a temperature transmitter 6 for detecting the temperature of the hydrogen on the hydrogenation line 9.
Example two
This example is a further illustration of the present invention.
The embodiment is a control method for high-flow filling based on a hydrogenation machine, comprising a control system in the first embodiment, and further comprising the following steps:
step 1, before hydrogenation, acquiring hydrogen storage volume VT-CAR1, pressure PT-CAR1 and temperature TT-CAR1 of a vehicle-mounted gas cylinder 7, and calculating three parameters of the hydrogen storage volume VT-CAR1, the pressure PT-CAR1 and the temperature TT-CAR1 to obtain the hydrogen mass Q of the vehicle-mounted gas cylinder 7 to be filled;
step 2, obtaining the hydrogen mass Q value in step 1, and calculating with the filling flow V in the high-flow filling protocol to obtain the filling time T required by the hydrogen filling of the vehicle-mounted gas cylinder 7, namely t=q/V, wherein in the embodiment, the filling flow V in the high-flow filling protocol is 7.2kg/min;
step 3, obtaining the upper limit value of the pressure of the hydrogen filled in the vehicle-mounted gas cylinder 7 as P-MAX, and the pressure PT-CAR1 before the hydrogen is filled in the vehicle-mounted gas cylinder 7 in step 1 and the filling time T in step 2, and calculating to obtain the boosting rate DeltaP;
step 4, in the hydrogenation process, the pressure value of the second pressure transmitter 5 is PV, and SP is a vehicle-mounted gas cylinder in the hydrogenation process7, SP increases by one DeltaP value per second during hydrogenation, i.eOP is a real-time opening value of the regulating valve 2, in the whole hydrogenation boosting process, the opening value OP of the regulating valve 2 is regulated according to PID to enable the PV value to always follow the SP value to be improved, and finally the pressure upper limit P-MAX required by the vehicle-mounted gas cylinder 7 is reached, and a hydrogen boosting process graph is shown in figure 2.
Further, in the step 3, a specific calculation formula of the boost rate Δp is: ΔP=P-MAX-PT-CAR 1/T.
Further, the hydrogen storage volume VT-CAR1, the pressure PT-CAR1 and the temperature TT-CAR1 of the vehicle-mounted gas cylinder 7, and the real-time pressure SP of the vehicle-mounted gas cylinder 7 are obtained by the infrared detection device 8 and are transmitted to the hydrogenation controller 10 in a communication manner, and the opening value of the regulating valve 2 is controlled after being calculated by the hydrogenation controller 10, so that the upper pressure limit P-MAX required by the vehicle-mounted gas cylinder 7 is finally reached.
According to the invention, the volume, the pressure and the temperature of the gas cylinder in the vehicle-mounted gas cylinder 7 of the hydrogenation vehicle are read through the infrared detection device 8 to calculate, then the hydrogenation controller 10 controls the regulating valve 2 to regulate the pressure reduction, so that the high-flow hydrogen filling of the hydrogenation vehicle with the pressure of 35MPa and 70MPa is realized, the hydrogenation time is shortened by improving the hydrogenation rate, the hydrogenation device is more suitable for the market demand, the high-efficiency and quick hydrogen filling of the hydrogenation station is realized, and the market competitiveness is improved.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not creatively contemplated by those skilled in the art within the technical scope of the present invention should be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (6)
1. The utility model provides a high-flow filling control system based on hydrogenation machine which characterized in that: the hydrogenation device comprises a flowmeter (1), a regulating valve (2), a first pressure transmitter (3), a second pressure transmitter (5) and a temperature transmitter (6) which are connected through a hydrogenation pipeline (9), wherein the hydrogen output end of the hydrogenation pipeline (9) is connected with a vehicle-mounted gas cylinder (7), the hydrogenation device also comprises an infrared detection device (8) for detecting hydrogen storage information of the vehicle-mounted gas cylinder (7), and a hydrogenation controller (10), the hydrogenation controller (10) is in communication connection with the flowmeter (1), the first pressure transmitter (3), the second pressure transmitter (5), the temperature transmitter (6) and the infrared detection device (8), the hydrogenation controller (10) is in control connection with the regulating valve (2), and the opening degree of the regulating valve (2) is controlled so as to regulate the hydrogenation pressure and control the whole hydrogenation process;
step 1, before hydrogenation, acquiring hydrogen storage volume VT-CAR1, pressure PT-CAR1 and temperature TT-CAR1 of a vehicle-mounted gas cylinder (7), and calculating three parameters of the hydrogen storage volume VT-CAR1, the pressure PT-CAR1 and the temperature TT-CAR1 to obtain the hydrogen mass Q required to be filled in the vehicle-mounted gas cylinder (7);
step 2, acquiring the hydrogen mass Q value in the step 1, and calculating with the filling flow V in the high-flow filling protocol to obtain the filling time T required by filling the hydrogen in the vehicle-mounted gas cylinder (7), namely t=q/V;
step 3, obtaining the upper limit value of the pressure of the hydrogen filled in the vehicle-mounted gas cylinder (7) as P-MAX, and the pressure PT-CAR1 before the hydrogen is filled in the vehicle-mounted gas cylinder (7) in step 1 and the filling time T in step 2, and calculating to obtain the boosting rate delta P;
step 4, in the hydrogenation process, the pressure value of the second pressure transmitter (5) is PV, SP is the real-time pressure in the vehicle-mounted gas cylinder (7) in the hydrogenation process, and SP is increased by one delta P value per second in the hydrogenation process, namelyOP is a real-time opening value of the regulating valve (2), and in the whole hydrogenation boosting process, the opening value OP of the regulating valve (2) is regulated according to PID to enable the PV value to always follow the SP value to be improved, and finally the required upper pressure limit P-MAX of the vehicle-mounted gas cylinder (7) is reached.
2. The hydro-generator-based high flow filling control system of claim 1, wherein: the hydrogen storage information of the vehicle-mounted gas cylinder (7) comprises the hydrogen storage volume of the vehicle-mounted gas cylinder (7), the hydrogen storage pressure of the vehicle-mounted gas cylinder (7) and the hydrogen storage temperature of the vehicle-mounted gas cylinder (7).
3. The hydro-generator-based high flow filling control system of claim 1, wherein: the hydrogenation device is characterized in that an emergency cut-off valve (4) and an emergency cut-off valve (4) are further arranged on the hydrogenation pipeline (9) between the first pressure transmitter (3) and the second pressure transmitter (5), a hydrogenation controller (10) is in control connection with the emergency cut-off valve (4), the hydrogenation controller (10) controls the emergency cut-off valve (4) to be opened or closed, problems occur in the hydrogenation process, and the emergency cut-off valve (4) is controlled to be cut off in an emergency mode through the hydrogenation controller (10).
4. The hydro-generator-based high flow filling control system of claim 1, wherein: the hydrogenation controller (10) is a singlechip or a PLC.
5. The hydro-generator-based high flow filling control system of claim 1, wherein: in the step 3, a specific calculation formula of the boost rate Δp is as follows: ΔP=P-MAX-PT-CAR 1/T.
6. The hydro-generator-based high flow filling control system of claim 1, wherein: the hydrogen storage volume VT-CAR1, the pressure PT-CAR1 and the temperature TT-CAR1 of the vehicle-mounted gas cylinder (7) and the real-time pressure SP of the vehicle-mounted gas cylinder (7) are acquired by an infrared detection device (8) and are transmitted to a hydrogenation controller (10) in a communication mode, the opening value of the regulating valve (2) is controlled after the calculation of the hydrogenation controller (10), and finally the pressure upper limit P-MAX required by the vehicle-mounted gas cylinder (7) is achieved.
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