有关自动称重配料系统的中英文翻译(2)

agile diversity, and, due to the system often costly, users of the actual conditions are also different. Therefore, careful, choose a reasonable, perfect, economic solution appears especially important

The structures of the belt scales ingredients consists mainly of transmission mountings, weighing transducer speed sensor, scale, active roller, driven roller, conveyor belt conveyors, drag, adjusting devices, equipment etc. When the scattered in conveyor belt scale body through the material on the weighing scale body, the speed sensor and sensor signal and the weight of millivolt belt speed pulse signal through the junction box to strap balance meter. The overall design philosophy of the Automatic batching and weighing

system of the belt is: Before the belt conveyer is put into operation, the

settlement value of the flow of the supplies is established on the keyboard by the attenbant to carry on the belt. After the system is put into normal running, loading signal of the belt that the one-chip computer samples and the speed signal leaves, walk belt speed signal and belt instantaneous weight, unit of length is it can calculate out belt twinkling of an eye flow F of supplies to

multiply (t) . The flow can be in charge of the number and show, offer the craft data to attenbant to consult in the twinkling of an eye. 8031 systems and then compare the actual value of the flow instead of the establishing value, calculate out controlling amount vi after PID regulates operation, and then change into the electric current and output the signal, and then enlarged and controlled leading the open angle of silicon controlled rectifier, realize regulating the function of the electricity electromechanical magnetism clutch excitation

electric current of slippery difference, thus regulate the rotational speed of the slippery difference electrical machinery of executive body, enable transporting the flow of supplies on belts to stabilize in the adjacent place of settlement value as much as possible, have a good static index and dynamic performance.

Automatic batching and weighing system is widely applied in industrial and agricultural production and social life in all areas. Especially the metallurgy, coal,

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