基于电磁感应和位移传感原理的电梯门锁啮合长度检测研究

Research on Engagement Length Detecting of Elevator Door Lock Based on the Principle of Electromagnetic Induction and Displacement Sensing

电梯门锁锁紧元件啮合状态可靠性是确保电梯门系统安全运行的重要保障。针对现有电梯门锁啮合长度检验方法存在的测量精度不足、自动化程度低、通用性不强等问题,提出了一种基于传感器的检测方法。分析了电磁感应开关通断检测原理和接触式位移传感工作原理,在此基础上开发了门锁啮合长度检測装置,并介绍了使用该装置的检验步骤。实测结果表明:该检验方法和检验装置可以实现门锁啮合长度的快速准确检验,数据可重复性高。

The engagement state reliability of elevator door lock locking element is an important guarantee for ensuring safe operation of the elevator door system.Aiming at the problems of insufficient measurement accuracy,low degree of automation,and low versatility of the existing elevator door lock engagement length inspection methods,a sensor-based detection method is proposed.The principle of on-off detection of electromagnetic induction switch and the working principle of contact displacement sensor are analyzed.On this basis,the door lock engagement length detecting device was developed,and the inspection steps using the device were introduced.The actual measurement results show that the inspection method and the inspection device can realize the quick and accurate inspection of the door lock engagement length,and the data repeatability is high.