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Signal acquisition device of correction controller

A signal acquisition and controller technology, applied in the directions of transportation and packaging, winding strips, thin material processing, etc.

Inactive Publication Date: 2012-06-27
SHANGHAI UNIVERSITY OF ELECTRIC POWER
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The deviation correction controller is a high-precision device, and the deviation correction accuracy of the general deviation correction control device must reach at least ±0.3mm in the line inspection mode. Therefore, such a blind zone is not allowed

Method used

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  • Signal acquisition device of correction controller
  • Signal acquisition device of correction controller

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Embodiment Construction

[0019] According to the description in the background technology, when the deficiencies of the deviation correction controller in the line detection mode, it is proposed to use the complementary interleaved layout of the two sensors. The PCB layout of the two sensors is as follows Figure 4 As shown, the detection areas of the two sensors overlap in a small range in the lateral direction, and the lateral overlapping distance e is in the range of 0-0.5 mm. At this time, as long as the reference guide line is greater than 0.5mm, any change of the reference guide line within the detection range of the sensor can cause effective changes in the sensor detection signal, so the detection blind zone of the deviation correction controller can be effectively eliminated. Such as Figure 4 As shown, 4(a) is the left deviation of the reference guide line of the detection object, and 4(b) is the right deviation of the reference guide line of the detection object. It can be seen that no matt...

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Abstract

The invention relates to a signal acquisition device of a correction controller, wherein the light emitted by a high-brightness LED (light-emitting diode) is directly focused to the detected object via a first convex lens; the reflected light on the detected object is rectilinearly propagated to a third convex lens via a second convex lens; the light of the third convex lens is focused to TCS230 colour sensors; the light signal received by the TCS230 colour sensors is conveyed to a single chip; the single chip processes and outputs data; two TCS230 colour sensors are used and placed on a PCB (printed circuit board) up and down; and the positions of the transversal parts of the two TCS230 colour sensors are superposed, and the transversal superposition distance must be less than the width of a reference guide wire. The detection blind zone of the correction controller is efficiently eliminated; and the control accuracy of the correction controller in either edge guiding mode or line detection mode can meet even exceed the present requirements of industrial field.

Description

technical field [0001] The invention relates to a signal detection, in particular to a signal acquisition device of a deviation correction controller. Background technique [0002] The deviation correction controller mainly solves the deviation problem of the strip object. The deviation means that the flexible strip object such as paper and plastic cannot keep running in a straight line due to the uncontrollable force during operation, so that its center line deviates from the reference center Wire. In the actual production process, since the reference center is divided into edge and line, it is generally divided into edge inspection mode and line inspection mode in the deviation correction system. The edge inspection model is as follows: figure 1 As shown, the line inspection model is as figure 2 shown. [0003] If the deviation is not corrected, it will affect the product quality, increase energy and raw material consumption. With the development of production, the hu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65H23/188
Inventor 徐耀良赵万剑杨宁王博张一丹
Owner SHANGHAI UNIVERSITY OF ELECTRIC POWER
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