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Dry quenching hoister control device

A technology of control device and hoist, which is applied to furnace safety device, coke oven, coke cooling, etc., can solve the problem of no control device, etc., and achieve the effect of improving stability, reliable shutdown and reducing the probability of loss of control.

Inactive Publication Date: 2013-06-12
JIGANG GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] How to improve the PLC controller's effective control of each frequency conversion device, so as to reduce the possibility of serious losses caused by equipment failure caused by frequency conversion out of control, has become a necessity, but there is no ideal control device yet

Method used

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  • Dry quenching hoister control device

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Embodiment Construction

[0014] The present invention provides a CDQ hoist control device. In order to make the technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention. Obviously, the The described embodiments are some, but not all, embodiments of the invention. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0015] Such as figure 1 As shown, a CDQ elevator control device of the present invention includes a PLC controller, a lifting frequency conversion device, a traveling frequency conversion device, a lifting drive motor, a traveling driving motor, a lifting control relay and a traveling control relay; and the lifting Both the frequency con...

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Abstract

The invention provides a dry quenching hoister control device which comprises a PLC (programmable logic controller), a hoisting frequency conversion device, a walking frequency conversion device, a hoisting driving motor, a walking driving motor, a hoisting control relay and a walking control relay; the hoisting frequency conversion device and the walking frequency conversion device are both connected with a communication module of the PLC in a bus communication mode; the hoisting control relay is connected with an on-off input terminal of the hoisting frequency conversion device; the walking control relay is connected with an on-off input terminal of the hoisting frequency conversion device; and the hoisting control relay and the walking control relay are both connected with a DO (digital output) module of the PLC. The dry quenching hoister control device provided by the invention is simple in structure, can overcome defects of controlling independently through a communication mode or a terminal hardwired connection mode, and can stop reliably.

Description

technical field [0001] The invention relates to the field of control devices, in particular to a control device for a CDQ hoist. Background technique [0002] At present, there are two ways of signal exchange between the PLC controller of the CDQ hoist and each frequency conversion device: one is through communication, and the other is through terminal hard-wire connection. However, if the frequency conversion device is controlled solely by communication, if there is a communication problem, the PLC controller will completely lose control of the frequency conversion device if the frequency conversion device does not stop due to a communication failure; Without the possibility of damage to the sticky point of the control relay, and no matter how many control relays are used to control the start-stop and speed conversion of the frequency conversion device, in this case the PLC controller will still lose control of the corresponding frequency conversion device. [0003] How to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B39/02C10B41/00
Inventor 包敦武施坪
Owner JIGANG GRP
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