A kind of hydrogenation machine fusion control method and system
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A technology that integrates control and hydrogenation machines, and is applied in container filling methods, container discharge methods, motor vehicles, etc., and can solve problems such as the decline in filling efficiency, the temperature rise of hydrogen storage bottles, and potential safety hazards, achieving both high efficiency and high efficiency. The effect of fast filling rate
Active Publication Date: 2022-07-29
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 temperature inside the bottle rises rapidly, which may exceed the current international standard of 85°C, which will bring great safety hazards. If the hydrogen filling speed is reduced, although the timely heat dissipation of the on-board hydrogen storage bottle can be guaranteed, the filling efficiency will inevitably be greatly reduced
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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, perform step S3, and if so, perform 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 ...
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 hydrogenation machine. The method includes: S1, obtaining hydrogen filling temperature, ambient temperature, current pressure of a gas cylinder, and current temperature of hydrogen in the gas cylinder; S2, if there is no fault in a single-board computer Step S3 is performed, otherwise, step S5 is performed; S3, the single-board computer calculates the time-simulated change of the hydrogen temperature in the gas cylinder during the simulated filling process using different hydrogen filling mass flow rates based on the simulation calculation formula of the hydrogen temperature in the gas cylinder curve; S4, select the maximum hydrogen filling mass flow rate according to each curve, so as to obtain the hydrogen filling rising rate control information, send it to the PLC, and execute step S6; S5, the PLC searches and obtains the hydrogen filling rising rate according to the pre-made control parameter table Control information, perform step S6; S6, PLC controls the hydrogenation rate of the hydrogenation machine according to the hydrogen filling rate control information; S7, repeat steps S1-S6, until the gas cylinder pressure reaches the target pressure value. It can take into account the high efficiency, safety, stability and intelligence of the hydrogenation process.
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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