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Method for reducing online detection error affection of wire production line

A technology for detecting errors and making silk threads, which is applied in the field of reducing the influence of on-line detection errors of silk threads, can solve problems such as large errors in on-line detection of silk threads, and achieve the effects of improving product quality, eliminating the influence of measurement deviation and improving stability.

Inactive Publication Date: 2007-01-24
CHINA TOBACCO SHANDONG IND
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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of large online detection error of silk thread in the current tobacco industry, and provide a method that is simple and easy to implement, can effectively reduce the detection error and other advantages and reduce the influence of online detection error of silk thread

Method used

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  • Method for reducing online detection error affection of wire production line

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0015] figure 1 Among them, 1) Set the moisture control target value, that is, the value to be displayed after controlling the online infrared moisture meter to detect the moisture content of the material. It is not the real value of the material, but the sum of the real value and the measurement error. (For example: brand A requires 12.5% ​​moisture, and the moisture meter error is -0.5%, then set 12.0%.);

[0016] 2) PLC takes the set target value as the control target, and adjusts the control components according to the comparison between the online detection value and the set target value, so that the produced materials meet the process requirements. (For example, if the detection value is 12.3%, it indicates that the moisture content of the material is 0.3% higher. Properly increase the opening of the water control valve to reduce the moisture con...

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Abstract

The present invention discloses method of reducing on-line detection error influence of tobacco shred producing line. The method includes: 1. setting tobacco shred water content controlling target value, regulating the on-line infrared water content detecting instrument in the production line for showing the sum of the measured value and the measurement error; 2. receiving the detected value with the PLC detection unit to the PLC control unit, comparing the detected value with the set target value, and regulating the control device in the production line to reach the technological requirement; and 3. sampling and detecting the true water content in the material in the production line with detecting instrument.

Description

technical field [0001] The invention relates to a method for reducing the influence of detection errors, in particular to a method for reducing the influence of online detection errors for silk production lines. Background technique [0002] Infrared moisture meters are commonly used in the tobacco industry's silk production process. The equipment is affected by factors such as ambient temperature, humidity, and tobacco leaf formula, and there are measurement deviations. Technicians must take regular calibration methods to eliminate the influence of environmental factors, but they can't do anything about the influence of formula, so they can only rely on the operator's experience to correct the deviation. Moreover, after the moisture meter is calibrated, the experience value of the operator will be affected, and the operator will cause product fluctuations in the process of correcting the experience value. Therefore, the operator's grasp of the deviation of the moisture met...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A24B9/00A24B3/00
Inventor 孟庆华段三青尹旭梅
Owner CHINA TOBACCO SHANDONG IND
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