Hydrogenation machine fusion control method and system
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A fusion control and hydrogenation machine technology, applied in container filling methods, container discharge methods, motor vehicles, etc., can solve problems such as reduced filling efficiency, potential safety hazards, and inability to dissipate heat in a vehicle-mounted hydrogen storage bottle in a timely manner. The effect of fast speed and high efficiency
Active Publication Date: 2022-05-27
浙江浙能航天氢能技术有限公司
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[0003] During the hydrogen filling process of the 35/70MPa hydrogenation machine, due to the scorching effect of hydrogen, the temperature inside the on-board gas cylinder will rise. If the hydrogen filling speed is too fast, the on-board hydrogen storage bottle cannot dissipate heat in time, thus causing hydrogen storage The tempe
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Embodiment 1
[0051] refer to figure 1 As shown, the present embodiment provides a method for controlling fusion of a hydrogenation machine, comprising the steps of:
[0052] S1. Obtain the hydrogen filling temperature, the ambient temperature, the current pressure of the gas cylinder, and the current temperature of the hydrogen in the gas cylinder (it should be noted that the hydrogen filling temperature and the ambient temperature are basically unchanged during one hydrogen filling process, so for these two The data may not be acquired in real time, but can be acquired only once at the beginning of betting);
[0053] S2, determine whether the single-board computer is faulty, if otherwise, go to step S3, if so, go to step S5;
[0054] S3. The single-board computer substitutes the hydrogen filling temperature, the ambient temperature, the current pressure of the gas cylinder, and the current temperature of the hydrogen in the gas cylinder into the simulation calculation formula of the hydr...
Embodiment 2
[0116] refer to image 3 As shown, this embodiment provides a hydrogenation machine fusion control system, which is based on the hydrogenation machine fusion control method described in the first embodiment, and includes a connected hydrogenation machine PLC and a single-board computer, and the single-board computer includes a first an information acquisition module, a processing module, and a first communication module, and the hydrogenation machine PLC includes a second information acquisition module, a table lookup module, a second communication module, and a control module;
[0117] The first information acquisition module and the processing module are respectively connected with the first communication module; the second information acquisition module and the table lookup module are respectively connected with the second communication module; the second communication module and the table lookup module are respectively connected with the control module; the first communicat...
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Abstract
The invention relates to a fusion control method and system for a hydrogen adding machine. The method comprises the steps that S1, the hydrogen filling temperature, the environment temperature, the current pressure of a gas cylinder and the current temperature of hydrogen in the gas cylinder are obtained; s2, if the single board computer does not have the fault, executing the step S3, otherwise, executing the step S5; s3, the single-board computer calculates and obtains a time-in-gas-cylinder hydrogen temperature simulation change curve in the simulation filling process with different hydrogen filling mass flow rates based on a gas cylinder hydrogen temperature simulation calculation formula; s4, the maximum hydrogen filling mass flow rate is selected according to all the curves to obtain hydrogen filling rising rate control information, the hydrogen filling rising rate control information is sent to the PLC, and the step S6 is executed; s5, the PLC searches and obtains hydrogen filling rising rate control information according to the preset control parameter table, and the step S6 is executed; s6, the PLC controls the hydrogenation rate of the hydrogenation machine according to the hydrogen filling rising rate control information; and S7, the steps S1-S6 are repeated until the pressure of the gas cylinder reaches the target pressure value. And high efficiency, safety, stability and intelligence of the hydrogenation process can be considered.
Description
technical field [0001] The invention belongs to the technical field of hydrogenation control of a hydrogenation station, and in particular relates to a method and a system for fusion control of a hydrogenation machine. Background technique [0002] Hydrogen energy is internationally recognized as a future green energy due to its advantages of high energy efficiency, wide sources, renewable, and zero pollution of combustion products. In recent years, many countries, including the United States, Japan, China, and South Korea, are vigorously developing hydrogen energy. Vehicles, actively build hydrogen refueling stations and related hydrogen energy infrastructure, using hydrogen as power has become an important application direction in the field of new energy. in a car hydrogen tank. [0003] During the hydrogen filling process of the 35 / 70MPa hydrogenation machine, due to the scorch effect of hydrogen, the temperature in the vehicle-mounted gas cylinder will rise. If the hydr...
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