| 摘要 |
PURPOSE: To always control a slow running time fixedly by providing a detection circuit means for detecting the correction condition of a speed reduction delay control by the informations such as a running distance or running speed, the distance upto the end floor of a cage, oil temperature, oil pressure and operation direction. CONSTITUTION: The LM control circuit 3 of a hydraulic elevator control device 1 inputs respective signals of a speed 22, end floor position 19, cage landing zone 25, oil temperature 23 and oil pressure 24 from a detection circuit and is provided with a circuit for detecting the condition for correcting a speed reduction delay control by a running distance or speed, the distance upto the end floor of a cage 14, oil temperature, oil pressure and operation direction, when a speed reduction start point is delay-controlled by a certain distance or time. At the attain time to a predetermined speed reduction start, point, regardless of the way of accelerating, they are detected by this circuit and the speed reduction delay data selected by the operation condition of that time is corrected by the speed or running distance and the speed is reduced. Thus, the slow running time can be always controlled fixedly and the operation efficiency can be improved and the energy can be saved. |
