A microwave on-line detection and elimination method for composite filter rods

A composite filter rod and filter rod technology, which is applied in the direction of using microwave flaw detection, can solve the problems of inability to detect composite filter rod dislocation and phase shift, etc., and achieve the effects of fast detection speed, high reliability and accurate measurement results

Inactive Publication Date: 2016-12-14
SHANGHAI XUNKE AUTOMATION EQUIP
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0008] At present, photoelectric irradiation method is used to detect splicing gap defects of composite filter rods, but this method cannot detect composite filter rod misalignment and phase shift

Method used

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  • A microwave on-line detection and elimination method for composite filter rods
  • A microwave on-line detection and elimination method for composite filter rods

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Embodiment Construction

[0041] The present invention will be further described below with embodiment and accompanying drawing.

[0042] The present invention is used for the microwave on-line detection and elimination method of composite filter rod comprising the following steps:

[0043] S1: given the density requirement value and filter rod length requirement value of each segment filter rod and the gap length requirement value of the gap between each segment filter rod;

[0044] S2: Input the microwave signal to the empty microwave cavity, and obtain the output standard microwave power attenuation A 0 and the standard microwave resonant frequency f 0 ;

[0045] S3: When the tested composite filter rod passes through the microwave resonant cavity sequentially from beginning to end, the microwave power attenuation A and the microwave resonant frequency f corresponding to each sampling point on the tested composite filter rod are respectively obtained by inputting microwave signals to the microwave...

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Abstract

The invention relates to a microwave online detection and removal method for a composite filter rod. According to the method, online detection and removal of splicing gaps of filter rods, dislocation of the filter rods and phase deviation defects are realized by employing a microwave detection technology. The method can rapidly, reliably and safely detect and remove the splicing gaps of the filter rods of cigarette, dislocation of the filter rods and phase deviation defects in real time; the method has the characteristics of high detection speed, accurate measurement result, high reliability and high safety to bodies of operators; moreover, various composite filter rods can be detected on line, and products with quality defects can be removed in real time.

Description

technical field [0001] The invention belongs to the technical field of microwave non-electricity testing, and in particular relates to a microwave on-line detection and elimination method for composite filter rods. Background technique [0002] At present, cigarette filter sticks have developed from a single function to a multi-functional direction. In high-end cigarettes, a large number of composite filter sticks have been used, and composite filter sticks have been developed that integrate harm reduction, coke reduction, flavor enhancement and product differentiation. , has become one of the focuses of Chinese cigarette research. [0003] Composite filter rods are usually made of two to three different material filter rods, which are cut and spliced ​​by a special composite filter rod forming machine, such as figure 1 As shown, the composite filter rod includes A1 segment filter rod, B1 segment filter rod, A2 segment filter rod, B2 segment filter rod and A3 segment filter...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N22/02
Inventor 闵晨张跃武陈林王会石梁燕
Owner SHANGHAI XUNKE AUTOMATION EQUIP
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