A time-division multiplexing cross start-stop system and its control method

Abstract

Embodiments of the present invention provide a time-division multiplexing cross start-stop system and a control method thereof. The method includes taking a plurality of adjacent sub-control boxes as a group of machine positions, dividing the sub-control boxes into multiple groups of machine positions, and the main control box sends a cross-start signal to each group of machine positions in units of groups, and each group of machine positions The sub-control box receives the cross-start signal and controls the corresponding electric hoist to start; the current sensor collects the current value on the CAN bus in real time and sends it to the main control box. When the current value exceeds the preset maximum current threshold, The main control box sends a shutdown signal to each group of aircraft positions in groups, and performs shutdown control for each group of aircraft positions. In this way, the equipment in the system can operate normally, and the instantaneous start-up current that causes a huge impact on the power equipment due to the simultaneous start-up of the machine positions is avoided. At the same time, the current value of the CAN bus is automatically monitored by setting the current sensor to protect the system.

Description

technical field [0001] Embodiments of the present invention generally relate to the field of climbing frame control, and more specifically, relate to a time-division multiplexing cross start-stop system and a control method thereof. Background technique [0002] The climbing frame is also called the lifting frame, which can be divided into hydraulic type, electric type, manual type and other main types according to its power source. It is a new type of scaffolding system developed in recent years, mainly used in high-rise shear wall buildings. It can be driven up or down along the building by an electric hoist. This system completely changes the scaffolding technology: first, there is no need to turn over the shelf; second, it eliminates the disassembly and assembly process of the scaffold (it is used after one assembly until the construction is completed), and it is not limited by the height of the building, which greatly saves manpower. and materials. And from the persp...

AI Technical Summary

Problems solved by technology

[0003] At the construction site of the existing climbing frame, since the general movements of the machine positions are all started and operated at the same time, this leads to the fact that the starting current will have a great impact on the electrical equipment when all the machine positions are started at the same time, so that the tail machine position Unable to start normally, causing failures on the construction site

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