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Self-adaptive weft detection device

A self-adaptive and control device technology, applied in textiles, textiles, papermaking, looms, etc., can solve problems such as easy occurrence of weft detectors, increased maintenance workload, failures, etc., to improve product quality, reduce labor intensity and maintenance Work load, efficiency improvement effect

Inactive Publication Date: 2012-10-17
CHANGSHU FANGYUAN TEXTILE EQUIP FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The adjustment of the magnification of the existing weft finder adopts a manual adjustment potentiometer. After one adjustment, the magnification needs to be readjusted due to the dirty reed or the reflected light after cleaning, which increases the maintenance workload. prone to weft finder failure

Method used

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  • Self-adaptive weft detection device

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Embodiment Construction

[0012] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0013] Such as figure 1 As shown, embodiments of the present invention include:

[0014] An adaptive weft detecting device includes a yarn signal sampling device 1 , the yarn signal sampling device 1 is connected to an automatic gain adjustment device 2 , and the automatic gain adjustment device 2 is connected to a control device 3 .

[0015] The yarn signal sampling device 1 includes an infrared light emitting tube and an infrared receiving tube.

[0016] The automatic gain adjustment device 2 is an integrated digital potentiometer.

[0017] Described control device 3 comprises central processing unit and display, and described central process...

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Abstract

The invention discloses a self-adaptive weft detection device which comprises a yarn signal sampling device, wherein the yarn signal sampling device is connected with an automatic gain regulation device, and the automatic gain regulation device is connected with a control device. The self-adaptive weft detection device is characterized in that the amplification factor is automatically changed by an integrated digital potentiometer according to the intensity of the yarn signal. The signal can be amplified to a proper range no matter whether a reed is clean so as to precisely display data on a display without manual regulation, the efficiency of a loom is improved, the product quality is improved, and the labor intensity and the maintenance workload of a worker are lowered.

Description

technical field [0001] The invention relates to the field of looms, in particular to an adaptive weft detecting device. Background technique [0002] The photoelectric weft detector is the key detector of the air-jet loom, which can detect faults such as long weft, short weft, broken weft, weft hooking, etc. The performance of the weft detector has a great influence on the quality of the cloth surface. The weft finder probe is composed of an infrared luminescent tube and a receiving tube. The infrared light emitted by the luminescent tube shines on the reed and the flying yarn and is reflected to the receiving tube. The presence or absence of the yarn signal is judged by judging the change of the light signal of the receiving tube. Since the received signal is very weak, it needs to be amplified and shaped before it can be processed. Because the degree of dirtiness of the reed is different, the magnification that needs to be adjusted is also different. The adjustment of t...

Claims

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Application Information

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IPC IPC(8): D03D51/34
Inventor 王振芳
Owner CHANGSHU FANGYUAN TEXTILE EQUIP FACTORY
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