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Method for accurately measuring cable winding and unwinding length and synchronous controller

A synchronous controller and precise measurement technology, which is applied in the direction of measuring devices, instruments, and conveying filamentous materials, etc., to achieve the effect of accurate measurement

Active Publication Date: 2015-04-22
SHANDONG ACAD OF SCI INST OF AUTOMATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned length measurement and synchronous winding with the mobile device are difficult to obtain high accuracy only by manual work, so an automated device is needed

Method used

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  • Method for accurately measuring cable winding and unwinding length and synchronous controller
  • Method for accurately measuring cable winding and unwinding length and synchronous controller
  • Method for accurately measuring cable winding and unwinding length and synchronous controller

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Embodiment Construction

[0039] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0040] figure 1 It is a block diagram of the precise measurement method for the retractable length of the cable and the synchronous controller system. The whole system consists of control buttons or selection switch 2, embedded controller 3, display module 4, driver 5, motor 6, cable reel 7, winding radius measuring device 8, proximity switch 9 and other components. The embedded controller 3 is connected to the winding radius measuring device 8, and the winding radius measuring device 8 is connected to the cable reel 7, and the outer edge of the cable reel 7 is provided with a plurality of counting teeth evenly distributed, and the proximity switch 9 is set on-line The edge of the cable reel 7 measures the number of teeth that the cable reel 7 rotates, and transmits the measured signal to the embedded controller 3, the embedded controller 3 is connecte...

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Abstract

The invention discloses a method for accurately measuring the cable winding and unwinding length and a synchronous controller. Setting of external following speed is acquired by the controller in real time, automatic logic control, manual logic control and the like of a system are achieved according to a control button and a selective switch, and information of winding and unwinding speed, control states and the like is displayed on a display unit; a winding radius signal formed by a cable is acquired in real time through a designed winding radius measurement device; pre-designed counting teeth of a winding reel and a proximity switch form a winding turn number signal; the two signals form corresponding digital quantity signals through an embedded controller, and cable winding speed is calculated on the basis of the cosine law of a triangle and additional operation; the calculated cable winding speed and the external set following speed are subjected to PID operation, then, the controller controls the output of a driver through the digital quantity signals and an analog quantity signal interface, the driver controls the running speed of a motor, and the motor drags the cable winding reel to achieve consistency between the winding speed and the external given speed.

Description

technical field [0001] The invention relates to a method for accurately measuring the retractable length of a cable and a synchronous controller. Background technique [0002] The cable is wound during the cable production process or in some emergency lighting situations. Sometimes it is necessary to accurately measure the length of the coiled cable and control the winding speed. Since the radius formed by the cable on the cable reel is constantly changing during the cable winding process, it is difficult to accurately measure the winding length. In the case of emergency lighting, the mobile device is used to wind the cable, and the winding speed is required to be consistent with the speed of the mobile device. The above-mentioned length measurement and synchronous winding with the mobile device are difficult to obtain high accuracy only by manual work, so an automatic device is needed. Contents of the invention [0003] In order to solve the above problems, the present...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65H63/00G01B21/06
Inventor 周广旭张晓鹏董杰王平来
Owner SHANDONG ACAD OF SCI INST OF AUTOMATION
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