Conveyor Control Node with Sensing and Voice Prompting
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Solution Overview
Problem
Existing methods for remotely controlling escalators are inefficient due to the need for manual operation and the challenge of preventing passengers from using the escalator during control attempts.
Innovation Solution
A control method and system that utilize distributed control nodes connected to a control terminal, where each control node is associated with a movable device that can reach the escalator. The system includes sensing devices to determine the presence of objects on the escalator and voice devices to prompt passengers to leave or not enter.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual operation is used to start and stop escalators, then personnel can directly control the escalator based on its condition, but the process is time-consuming and difficult to manage
Solution Approach 1:
The escalator control system enables self-service operation by automatically detecting passenger presence through sensing devices and autonomously starting or stopping the escalator without requiring manual intervention from maintenance personnel
Solution Approach 2:
The patent replaces manual mechanical control with an automated control system that uses sensing devices to detect objects and electronically controls the escalator motor, eliminating the need for physical presence and manual operation
2Ease of operation
If remote control through video surveillance is used, then personnel can control escalators from a distance, but it is difficult to prevent passengers from taking the escalator during control attempts
Solution Approach 1:
The control system performs preliminary detection of passenger presence using sensing devices before executing control operations, and issues advance warnings to passengers before the escalator stops, preventing unsafe situations
Solution Approach 2:
The system continuously monitors the escalator environment through sensing devices and provides real-time feedback about passenger presence, enabling the control system to adjust its operations to ensure safety while maintaining remote control capability
3Productivity
If automated control with sensing devices is implemented, then remote control efficiency is improved and labor costs are reduced, but the system complexity increases
Solution Approach 1:
The control system is segmented into modular components including control terminals, control nodes, and sensing devices that can be independently configured and maintained, reducing overall system complexity while enabling automated operation
Data Source
AI summary
A control method for a conveyor device, which is applicable to a control system comprising a control terminal and one or more control nodes, each of the control nodes is in communication connection with the control terminal. The method includes controlling, by the control node that receives an operation signal, a movable device associated with the control node to reach a conveyor device to be controlled, in response to the operation signal sent by a control terminal; and determining whether to control the conveyor device to be controlled according to the indication of the operation signal, based on sensed data from a sensing device regarding the condition of an object to be conveyed on the conveyor device to be controlled.