OVERHEAD DOOR MULTI-SPEED CONTROL SYSTEM FOR PREVENTING VEHICLE COLLISION AND CONTROL METHOD THEREOF

摘要

The present invention relates to an overhead door multi-speed control system for preventing vehicle collision and a control method thereof, which fully open an entrance by raising the door at a high speed when sensing the vehicle approaching the overhead door, thereby preventing an accident that an upper portion of a vehicle and a lower portion of a door collide with each other when an overhead door installed in a garage or the like is slightly lowered from an upper portion.;COPYRIGHT KIPO 2019