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Multistage belt conveyor PLC control system based on touch screen

A control system and touch screen technology, applied in the field of PLC control system, can solve the problems of high safety interlock requirements, deviation and chute blockage, and low production efficiency.

Inactive Publication Date: 2014-06-04
ANHUI LAND GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of traditional belt conveyor monitoring system requires the staff to manually operate the belt conveyor and other loading and unloading equipment on the production site to complete the dock production operations. Faults such as slipping, deviation, and chute blockage, the production efficiency is extremely low, and it is impossible to meet the requirements of uninterrupted operation, real-time control and safety in actual production.

Method used

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  • Multistage belt conveyor PLC control system based on touch screen
  • Multistage belt conveyor PLC control system based on touch screen

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Such as figure 1 Shown is a multi-stage belt conveyor PLC control system based on a touch screen, comprising an industrial computer 4, the industrial computer 4 is electrically connected to a touch screen 5, the output of the industrial computer 4 is connected to a PLC controller 3, and the PLC The controller 3 communicates with the detection device 1 through the I / O module 2 ; the output end of the PLC controller 3 is connected with the touch screen 5 . The detection device 1 includes a material sensor 11 , a belt speed sensor 12 and an emergency stop sensor 13 arranged on the belt conveyor, and an auxiliary equipment detection unit 14 for the belt conveyor.

Embodiment 2

[0018] Such as figure 2 Shown is the flow chart of the present invention.

[0019] In the present invention, multi-stage belt conveyors are controlled, and the present embodiment takes four-stage belt conveyors B1, B2, B3, and B4 as an example to illustrate the control method. The main operation process is as follows:

[0020] (1) The start signal is used to control the operation of the main program. In the main program, choose to start the belt conveyor in the upstream or downstream mode.

[0021] (2) When reverse flow start is selected, belt conveyor B4 starts first, and after 3 seconds, belt conveyor B3 starts to start, and after B3 starts to run for 3 seconds, belt conveyor B2 starts to run, and after B2 starts to run for 3 seconds, B1 starts to run The system starts to start, and the system begins to load and run. If there is a process equipment failure at this time, the upstream equipment of the faulty equipment will not be able to start, and a message prompt and soun...

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Abstract

The invention provides a multistage belt conveyor PLC control system based on a touch screen. The multistage belt conveyor PLC control system based on the touch screen comprises an industrial personal computer, the industrial personal computer is electrically connected with the touch screen, the output end of the industrial personal computer is connected with a PLC, and the PLC is communicated with a detection device through an I / O module. The two-way starting control system has a downstream starting mode and an upstream starting mode, and the two modes can be switched at any time according to requirements so as to meet process requirements. Dynamic monitoring is conducted on the whole process through the touch screen. In addition, the touch screen is arranged at the output end of the PLC, and therefore the multistage belt conveyor PLC control system has the advantages of being flexible to operate, convenient to use and the like.

Description

technical field [0001] The invention relates to a PLC control system, in particular to a multi-stage belt conveyor PLC control system with a touch screen. Background technique [0002] The belt conveyor has the characteristics of large capacity, continuous transportation, and easy maintenance. It is a relatively economical and reliable transportation equipment in the production of ore wharfs. Therefore, it has become the main transportation equipment for the transportation and transfer of ore raw materials. The transportation route has the characteristics of large span and harsh industrial and mining along the way. In order to ensure the normal operation of the equipment, the safe transportation of ore and the safety of the staff, the ore terminal urgently needs a reliable, accurate and safe industrial monitoring system to comprehensively monitor and control the production process of ore unloading, stacking, picking and loading. In practical applications, in order to meet t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65G43/00
Inventor 李正祥张月晴丁晓文翟玉霞
Owner ANHUI LAND GRP
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