Maintenance door opening method, wireless positioning base station and intelligent key

• Main Authors: ZHANG YONGSHENG, YAN SHAOJUN, ZHONG ZHAOFENG, TANG QIWEI
• Format: Patent
• Language: Chinese; English
• Published: 10.10.2023
• Subjects: ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE; CHECKING-DEVICES; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; ELEVATORS; ESCALATORS OR MOVING WALKWAYS; GENERATING RANDOM NUMBERS; HAULING; HOISTING; LIFTING; PERFORMING OPERATIONS; PHYSICS; REGISTERING OR INDICATING THE WORKING OF MACHINES; TIME OR ATTENDANCE REGISTERS; TRANSPORTING; VOTING OR LOTTERY APPARATUS; WIRELESS COMMUNICATIONS NETWORKS

The invention discloses a maintenance door opening method, a wireless positioning base station and an intelligent key. The wireless positioning base station is arranged on a lift car, the wireless positioning base station receives a wireless signal sent by the intelligent key and calculates the distance between the wireless positioning base station and the intelligent key and the angle of the connecting line of the wireless positioning base station and the intelligent key relative to the horizontal plane based on the wireless signal, and the intelligent key sends out the wireless signal when located at a preset position; and based on the distance and the angle, whether the current stopping position of the lift car is a safe position relative to a landing door of the floor where the intelligent key is located or not is judged, if yes, a first signal for allowing unlocking is sent to the intelligent key, and if not, a second signal for forbidding unlocking is sent to the intelligent key. By means of the elevato