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Electric networking control method

A networked control, electrical technology, applied in program control, computer control, general control system, etc., can solve the problems of grounding or leakage, equipment damage, cable burning, etc., to achieve less usage, eliminate cable burning, and reliable control Effect

Inactive Publication Date: 2016-11-16
INNER MONGOLIA BAOTOU STEEL UNION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In actual production, due to the complex working conditions and environment of the production site, for example, due to large conductive dust, water leakage or high temperature aging, etc., it often causes cable breakage, short circuit, grounding or leakage, etc. In addition, the operating voltage of these control cables Mostly AC 220 volts or 380 volts of high voltage, once a cable leakage, short circuit or ground fault occurs, it will often cause the cable to burn, and even bring harm to the surrounding people and equipment

Method used

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Examples

Experimental program
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Effect test

Embodiment

[0014] In actual production, the traditional relay and contactor control systems have various control systems such as controlling the one-way operation of the motor, controlling the forward and reverse operation of the motor, and Y-△ start control. The electrical connection methods are basically the same. In this embodiment, only one relay and contactor control system for controlling the one-way operation of the motor is used as an example for illustration. In addition, in actual production, the control devices used in the on-site operation desk include various control devices such as button switches, universal transfer switches, and master controllers. In this embodiment, only the button switch is taken as an example for illustration.

[0015] Such as figure 1 As shown, it is the electrical schematic diagram of the traditional relay and contactor control system that controls the one-way operation of the motor. Among them, S1 and S2 are button switches installed on the produc...

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Abstract

The invention relates to a method for electrical networking control, which is characterized in that: a master station device and a slave station device are arranged, the master station device is installed on the operation table of the production site, the slave station device is installed in the electromagnetic station, the master station device A two-core signal cable is electrically connected to the slave device; the master device and the slave device are designed with a single-chip microcomputer as the core, and the single-chip microcomputer of the slave device is programmed to start the relay and contactor control system or stopped electrical operation; program the single-chip microcomputer of the master station device, and set the MODBUS RTU communication processing function block to realize the control command of the operation switch sent to the slave station device of the electromagnetic station through the MODBUS network. Its advantages are: compared with the traditional electrical connection method, it not only eliminates cable burning, but also has reliable control, less cable usage and purchase cost, lower cable wiring workload and construction cost, safe and reliable use, and can control three production equipment.

Description

technical field [0001] The invention relates to a method for electrical networking control, which is mainly used in metallurgical iron and steel enterprises to control the electrical connection of traditional relay and contactor control systems, from the switchboard box of the electromagnetic station to the operation switch at the production site, and belongs to the metallurgical iron and steel industry Electrical control and network communication fields. Background technique [0002] In metallurgical iron and steel enterprises, the electrical transmission of many production equipment still adopts the traditional relay and contactor control system. These electrical control systems are generally installed in the power distribution cabinet of the electromagnetic station. The operation control of each production equipment needs to be controlled from the The multi-core control cables are led out from the power distribution cabinet of each equipment and routed to the operation co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
CPCG05B19/0423
Inventor 杨虎
Owner INNER MONGOLIA BAOTOU STEEL UNION
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