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Cigarette weight collecting device and method

A collection device and weight technology, which is applied in the field of cigarette weight collection and processing, can solve problems such as abnormal signals and shredded tobacco signal transmission noise, and achieve the effects of simple measurement methods, accurate weight deviation calculation and control, and overcoming noise and abnormal signals

Active Publication Date: 2014-11-05
THE 41ST INST OF CHINA ELECTRONICS TECH GRP
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a cigarette weight acquisition device and method to solve the problems of noise and abnormal signals in the prior art shredded tobacco signal transmission

Method used

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  • Cigarette weight collecting device and method
  • Cigarette weight collecting device and method
  • Cigarette weight collecting device and method

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Embodiment Construction

[0013] see figure 1 As shown, a cigarette weight acquisition device includes a microwave density and humidity detector, a signal conversion isolation circuit, a CPLD, and a CPU. The signal output terminals of the microwave density and humidity detector are respectively connected to the input of the signal conversion isolation circuit and the CPLD, The output of the conversion isolation circuit is connected to the input of the CPLD, and the output of the CPLD is connected to the input of the CPU. The signal conversion isolation circuit is composed of a high-speed optocoupler model HCPL-0720, and a voltage divider circuit and an RCD circuit are built on the high-speed optocoupler.

[0014] In the above signal conversion isolation circuit, the VDD1 pin of the high-speed optocoupler of model HCPL-0720 is connected to the voltage VDD1, and the VDD2 pin is connected to the voltage VDD2, and the VDD1 pin of the high-speed optocoupler is connected to the common ground GND1 and VDD2 thr...

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Abstract

The invention discloses a cigarette weight collecting device. The device comprises a microwave density and humidity detector, a signal conversion isolating circuit, CPLD, and CPU, wherein the signal conversion isolating circuit is composed of a HCPL-0720 high speed optical coupler, and a voltage division circuit and an RCD circuit are constructed on the high-speed optical coupler. A tobacco shred signal provided by the microwave density and humidity detector is transferred to the CPLD through the signal conversion isolating circuit, the synchronization of the tobacco shred signal and a cigarette length signal is achieved in the CPLD, then the synchronized signals are transferred to the CUP to carry out treatments so as to obtain the accurate data of the tobacco shred, then an execution mechanism, which is used to adjust the supply of tobacco shreds, is controlled after the control conversion, and thus the adjustment of cigarette weight is achieved. The device can get rid of the abnormal data in the density signals, filters the noise interference signals, and achieves more precise control.

Description

technical field [0001] The invention relates to the field of cigarette weight collection and processing, in particular to a cigarette weight collection device and method. Background technique [0002] The cigarette weight control system is used for real-time measurement of the cigarette weight of the crimping unit. The precise weight control system can improve the utilization efficiency of shredded tobacco, improve the qualified rate of cigarettes, and reduce production costs. Accurate and reliable acquisition of shredded tobacco density is the key to ensure the stable operation of the cigarette weight control system. At present, commonly used shredded tobacco density measurement sensors include microwave density and humidity detectors and nuclear scanning density detectors. Because nuclear scanning density detectors have radiation hazards and will With the inaccurate weight measurement data caused by attenuation, the market has gradually begun to be replaced by microwave de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N9/36G01N22/00
Inventor 张宝伟钱志国孙宏杰
Owner THE 41ST INST OF CHINA ELECTRONICS TECH GRP
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