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Method for eliminating influence of external metal decoration on cigarette moisture and density measurement

A technology for density measurement and cigarette sticks, which is applied in the direction of using microwaves to test moisture content, etc., can solve the problems of difficult moisture and density of cigarette sticks, unfavorable control of cigarette stick quality, etc., and achieve the effect of overcoming influence, simple measurement method and accurate measurement

Active Publication Date: 2013-04-17
THE 41ST INST OF CHINA ELECTRONICS TECH GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This measurement method is not affected by the surface structure and color of the cigarette, but because the microwave signal is particularly sensitive to the influence of metal, it is particularly affected by the metal ring or metal characters on the tipping paper of the cigarette. The moisture and density of the cigarettes covered by metal letters or metal letters bring difficulties, which is not conducive to the quality control of cigarettes in the production process

Method used

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  • Method for eliminating influence of external metal decoration on cigarette moisture and density measurement
  • Method for eliminating influence of external metal decoration on cigarette moisture and density measurement
  • Method for eliminating influence of external metal decoration on cigarette moisture and density measurement

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Embodiment 1

[0012] Embodiment 1: Eliminate the method for measuring the moisture density of cigarettes affected by the metal exterior, comprising the following steps:

[0013] (1) First, take a sample of the finished cigarette, the sample with metal exterior on the tipping paper, and use an air gun to blow out all the shredded tobacco from the filter tip;

[0014] (2) Then measure the cigarettes with only filter tips, and obtain the moisture and density values ​​near the metal exterior through the cigarette moisture and density measuring instrument, and take the average value of the moisture and density values ​​of all sample cigarettes as experience the value is stored;

[0015] (3) Finally measure the cigarette to be tested, and subtract the empirical value from the moisture and density values ​​of the part affected by the metal ring, so that the influence of the metal ring or metal characters on the measurement can be eliminated.

Embodiment 2

[0016] Embodiment 2: Table 1: sample sampling data table of the present invention; Table 2: measurement data table of the present invention.

[0017] Table I:

[0018]

[0019] Table II:

[0020]

Embodiment 3

[0021] Embodiment 3: Table 1: Sample sampling data table of the present invention, as above Table 1; Table 3: Another set of measurement data table of the present invention.

[0022] Table three:

[0023]

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Abstract

The invention discloses a method for eliminating influence of an external metal decoration, such as a metal ring, or a metal character, or other external metal decorations, on cigarette moisture and density measurement. The method mainly comprises the following steps of: firstly, blowing out all tobacco shreds from a filter tip end of a sample, on cork paper bobbin of which is provided with the metal ring or the metal character, by using a gas gun; secondly, measuring a cigarette with a filter tip, obtaining moisture and density values around the metal ring by using a cigarette moisture and density measurement instrument, and averaging all the moisture and density values of the sample and storing the average as an empirical value; and finally, measuring the cigarette to be measured, and eliminating the influence of the metal ring, or the metal character, or the like on the measurement by deducting the empirical value from the moisture and density values of the part influenced by the metal ring. The measurement method is simple; the influence of the external metal decoration on the cork paper bobbin of the cigarette, such as the metal ring, or the metal character, or the like, on the cigarette moisture and density measurement is eliminated; and the moisture and the density of the cigarette can be measured effectively and accurately.

Description

technical field [0001] The invention relates to a method for measuring the moisture and density of cigarettes, which is mainly used for measuring the moisture and density of cigarettes affected by metal outer decorations such as metal rings or metal characters. Background technique [0002] This method is mainly used to measure the moisture and density distribution of cigarettes. The basis of the measurement principle is the microwave resonance method. In the electromagnetic field, due to the difference in density and moisture content, the energy parameters of the microwave electromagnetic field change; then the radio frequency detection system amplifies the microwave signal coupled from the microwave resonator through microstrip detection, and after AD conversion, the data is provided The CPU is used to calculate the moisture content and density of cigarettes; finally, the calculation results are displayed on the man-machine interface for the measurement personnel to view. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N22/04
Inventor 王晓辉孙宏杰段黎跃耿守本李雯琦朱立军郭宇飞
Owner THE 41ST INST OF CHINA ELECTRONICS TECH GRP