医院的电梯

The SANYO-VFB Bed Elevator madeby Shenyang Sanyo Elevator Co., Ltd adopts current popular geared tractionmachine drive, VVVF control. Geared traction machine is mainly composed of wormgear reducer or helical gear reducer and variable frequency motor. Gearedtraction machine has the advantage characteristics of large load, broad speedrange, convenient maintenance and etc. 1.Frequency converter adopts original imported specialfrequency converter for variable frequency motor.2.Rotaryencoder adopts imported high precision encoder matching with the frequencyconverter.3.Control unit SANYO-E is full computer serial CAN buscommunication control system.4.CAN bus is industrial site bus which has specialstructural design of multiple main stations, arbitration differentiation,mistakes detection. 5.It adopts shaft-self-study, which automaticallyrecord the floor height of the shaft, deceleration distance and other kinds ofdata, and reserve them permanently. 6.Automatically form elevator travel curve, canrealize elevator direct landing, reduce the time before elevator stopping, sothe elevator runs efficiently.7.Distributed cables completely adopt prefabricatedplug-in connector that can shorten the