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Lamina cigarette case density deviation detection system and detection method thereof

A density deviation and detection system technology, which is applied in the direction of measuring devices, specific gravity measurement, instruments, etc., can solve the problems of large pressure sensor errors, affecting the transmission speed of tobacco leaves, affecting production efficiency, etc., to achieve small changes, fast detection speed, and convenient operation Effect

Active Publication Date: 2016-10-05
SHANGHAI MICRO VISION TECH
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Problems solved by technology

Although this device overcomes some defects of traditional technology, for example, it can carry out online detection and eliminate the harmful effects of ionizing radiation, but its defects are also obvious, that is, it is inconvenient to operate, and the detection will affect the transmission speed of tobacco leaves, thereby affecting Production efficiency, in addition, the error of the pressure sensor is relatively large, and the detection equipment needs frequent maintenance

Method used

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  • Lamina cigarette case density deviation detection system and detection method thereof
  • Lamina cigarette case density deviation detection system and detection method thereof

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Embodiment Construction

[0032] The present invention will be further described in detail below in conjunction with the accompanying drawings. The given embodiments are only used to illustrate specific implementation and beneficial effects, and are not intended to limit the protection scope of the present invention.

[0033] Such as figure 1 The shown laminar tobacco box density deviation detection system includes a data acquisition unit and a data analysis unit, the output of the data acquisition unit is connected to the input of the data analysis unit; the data acquisition unit includes:

[0034] Bracket 1 for mounting components;

[0035] There are three photoelectric cells for inductive signals, which are evenly arranged in the center of the top of the support 1, which are respectively No. 1 photoelectric cell 21, No. 2 photoelectric cell 22 and No. 3 photoelectric cell 23. The distance between No. photocell 21 and No. 3 photocell 23 is less than the width of the smoke box;

[0036] A microwave ...

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Abstract

The invention provides a system and method for detecting the density deviation of a flue-cured tobacco lamina box The system comprises a data acquisition unit and a data analysis unit, wherein the output end of the data acquisition unit is connected with the input end of the data analysis unit; the data acquisition unit comprises a bracket, a photoelectric tube, a microwave emission probe, a microwave receiving probe, an upper guide rail, a lower guide rail, a limiting switch, a connection rod, a programmable logic controller, a servo motor and an industrial control computer. The system for detecting the density deviation of the flue-cured tobacco lamina box is convenient to operate, low in maintenance frequency, high in detection speed and high in detection precision, cannot affect normal production, is convenient to mount and has an extremely large practical value.

Description

technical field [0001] The invention relates to a detection system and a detection method based on the principle of microwaves, in particular to a microwave detection system and a detection method for the density deviation of a tobacco box in the rebaking process of tobacco leaves. Background technique [0002] The detection of the density deviation of the tobacco box is becoming more and more important for the tobacco redrying industry. If the control is not good, it will lead to inconsistent temperature and moisture diffusion in the box, resulting in mildew or spontaneous combustion of the box. At the same time, when the density deviation is too large, it may locally cause the oil pressure phenomenon of tobacco leaves, resulting in irreparable economic losses. At present, the international and domestic rebaking industry's industry standard for the packing density deviation of laminar tobacco is based on the 9-hole sampling method, and the deviation coefficient of the sampl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N9/24
Inventor 朱良龙
Owner SHANGHAI MICRO VISION TECH
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