Wireless transmission coupling contact type escalator hand strap temperature monitoring system and method

Abstract

The invention discloses a wireless transmission coupling contact type escalator hand strap temperature monitoring system which comprises an on-site monitoring end, a remote monitoring end and a plurality of detection probing wheels. Each probing wheel comprises an installation support, a wheel frame, a wheel shaft, a coupling tire, a plurality of probes, an angle sensor, an environment temperaturesensor and a collector, wherein the coupling tire is installed on the wheel shaft and used for abutting against the hand strap and being driven by the hand strap to rotate, the probes are uniformly mounted on the inner circle surface of the coupling tire in the circumferential direction, each probe comprises a wireless transmission module and a magnetic flux and temperature sensor module, each magnetic flux and temperature sensor module is used for collecting the magnetic flux and temperature of the hand strap, and the angle sensor is connected with the wheel shaft. The remote monitoring endobtains the temperature state and the stress state of the hand strap based on the detected temperatures and magnetic flux. By the adoption of the wireless transmission coupling contact type escalatorhand strap temperature monitoring system, temperature and magnetic flux data are collected and can be used for fault analysis, positioning and prediction, and reliable data support is provided for timely maintenance of the hand strap.

Description

technical field [0001] The invention belongs to the technical field of escalator monitoring, and more specifically relates to a wireless transmission coupling contact type escalator handrail temperature monitoring system and method. Background technique [0002] The mechanical transmission mechanism is composed of a transmission device and moving parts driven by the transmission device. When the moving parts are in circular motion, such as a conveyor belt with a metal insert inside to convey materials, a vertical elevator wire rope reciprocating up and down, an escalator handrail or an automatic When the escalator step chain circulates, if the adjustment of the moving parts is too tight, it will cause excessive friction and overheating, and this will cause the outer layer material (if any) of the moving parts to accelerate aging, cracking, wear and other consequences, reducing the use of Life, and over-tightening will also cause the brake to overheat and be more harmful, whi...

AI Technical Summary

Problems solved by technology

The handrail of the escalator is in circular motion all the time. When the tension wheel is adjusted too tightly and the friction force is too large, its temperature may rise rapidly after starting up. The high temperature will not only affect the strength of the handrail, but also cause harm to passengers. If it is not checked out in time, it will affect the operation status of the escalator and pose a threat to the life and property safety of passengers.

At present, the published patents are related to the temperature monitoring technology of escalator handrails, such as CN201711498149.7 online monitoring equipment, escalators and online monitoring methods for escalators. This patent discloses a method for detecting the temperature of escalator handrails. method, but the patent has the following deficiencies: (1) there is only one monitoring point, and the position causing high temperature cannot be located; (2) the ambient temperature and the handrail temperature are the same component, and the ambient temperature will be affected by the temperature field of the handrail Inaccurate measurement, (3) There is a gap between the temperature sensor and the handrail, and the measurement will be affected by the environment. (4) Only the average value of the difference between the two periods before and after the data analysis is compared, the universality is low, and the false alarm rate is high , (5) Non-modular design, high cost of design, manufacture and installation

Images