UWB-based construction elevator height detection method

Abstract

The invention relates to the technical field of elevators, and particularly relates to a UWB-based construction elevator height detection method. The method comprises a UWB tag mounted at the bottom of an elevator lifting cage, a UWB base station right facing a foundation below the UWB tag and a monitoring host mounted in the lifting cage. The monitoring host is connected with the UWB tag, The UWB tag and the UWB base station each comprise a UWB transceiver chip, an RF antenna and a precise clock, the monitoring host comprises a control processing unit and a display screen connected with the control processing unit, and the UWB tag is attracted and installed at the bottom of the lifting cage through a magnet. No shielding object exists between the UWB label and the base station; therefore, complex filtering and correction calculation are not needed; and the system complexity is reduced, and the system is more stable, reliable and high in precision. Cost is low, and battery power supply is not needed. The mechanical problems that according to other schemes, installation is difficult, gears are difficult to match, looseness is prone to occurring after installation, repeated installation cannot be achieved, and interference is prone to occurring are solved, and the height calibration link is omitted.

Description

technical field [0001] The invention relates to the technical field of elevators, in particular to a method for detecting the height of construction elevators based on UWB. Background technique [0002] Construction elevators are usually called construction elevators, but construction elevators include a broader definition, and construction platforms also belong to the construction elevator series. A simple construction elevator is composed of a car, a drive mechanism, a standard section, an attached wall, a chassis, a fence, and an electrical system. It is comfortable and safe to ride. The construction elevator is usually used with the tower crane on the construction site. The general load capacity is 0.3-3.6 tons, and the operating speed is 1-96M / min. The construction elevators produced in our country are becoming more and more mature and gradually going international. [0003] The traditional height sensor is installed on the top of the hoisting cage of the elevator, an...

AI Technical Summary

Problems solved by technology

[0005] 1. The sensor is not easy to install, and the sensor needs to be attached to the elevator with dovetail self-tapping screws; every time the sensor is disassembled, a few holes will be left on the elevator, which is inconvenient for secondary disassembly

[0006] 2. Due to the relatively large vibration during the operation of the construction elevator and the limitations of the installation location; the sensor is easy to fall off; after the sensor falls off, safety accidents are prone to occur

[0007] 3. The installation location is very close to the hoisting motor, and the sensor signal is easily disturbed

[0008] 4. Due to the different specifications of the elevator gear, the height sensor gear needs to be adapted to the elevator gear, so the gear cannot be of uniform specifications and needs to be customized

[0009] 5. The height sensor needs to be calibrated after installation, but the on-site personnel do not know the total height of the lift, and the on-site height is difficult to measure; therefore, the on-site implementation basically adopts the estimation method, so the calibration error is relatively large

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