CN100406876C - Smoke box missing item, the microwave tobacco rod missing packet detection method - Google Patents

Smoke box missing item, the microwave tobacco rod missing packet detection method Download PDF

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Publication number
CN100406876C
CN100406876C CN 200410022718 CN200410022718A CN100406876C CN 100406876 C CN100406876 C CN 100406876C CN 200410022718 CN200410022718 CN 200410022718 CN 200410022718 A CN200410022718 A CN 200410022718A CN 100406876 C CN100406876 C CN 100406876C
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microwave
tobacco rod
smoke box
smoke
radiation
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CN 200410022718
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Chinese (zh)
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CN1704755A (en )
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左国松
徐信荣
李艳林
帆 王
王威廉
邱光普
金云英
陈秋水
铭 黄
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云南昆船电子设备有限公司
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Abstract

本发明涉及一种微波检测技术。 The present invention relates to a microwave detection techniques. 本发明所述的烟箱缺条、烟条缺包微波检测方法由以下步骤组成:1.先用微波辐射标准烟箱或烟条,获得标准数据存入计算机;2.用微波向烟箱或烟条辐射,同步检测沿水平方向的反射场分量;3.用微波实时扫描烟箱或烟条,获得的实时数据与标准烟箱或烟条比较;4.经查表处理后获得烟箱内条的分布图像或烟条内包的分布图像。 The present invention is smoke box missing item, the microwave detecting tobacco rod missing packet the method comprising the steps of: a first smoke box with microwave radiation or standard tobacco rod to obtain a standard data into the computer; 2 with the smoke box or microwaves. radiation tobacco rod, synchronization detection in the horizontal direction of the reflected field components; 3 smoke box with microwave or real-time scanning of the tobacco rod, the real-time data obtained compared to a standard cigarette smoke box or strip; 4 smoke obtained after treatment tank look-up table distribution image or the tobacco rod encapsulated strip. 本发明为微波技术在烟箱缺条或烟条缺包检测上的应用,本发明测量稳定性好,可靠性高,适用范围广;无核辐射,调试检修方便。 The present invention is a lack of microwave technology in the tobacco rod or bar smoke box application on the missing packet is detected, the present invention is good measuring stability, high reliability and wide application; convenience nuclear radiation, debugging and maintenance.

Description

烟箱缺条、烟条缺包微波检测方法技术领域本发明涉及一种微波检测技术。 Smoke box missing item, the microwave detecting tobacco rod missing packet TECHNICAL FIELD The present invention relates to a microwave detection techniques. 背景技术中国专利申请号03102987. 6公开了一种"检测和剔除烟草流水线上异物的方法",在这种检测和剔除异物的方法中,首先,烟草流前进通过一准备区域, 在该区域,烟草流被巻成一连续的带状烟草填料,然后,通过一制烟工位,在该工位,填料用来被制成连续的巻烟条,最后,通过一割刀装置,它将巻烟条分割成一根根烟巻;前进的流水线被引导到通过检测装置的一给定点,并暴露在微波频率的电磁辐射中,电磁辐射以这样的方式发射和接收:产生反映沿烟草流中的任何水分含量的变化的输出信号,这种水分含量的变化是由含有的异物引起的,并与对应于单个可识别烟巻的烟草流的给定部分相关连。 Background China Patent Application No. 03102987.6 discloses a "method for detecting and remove foreign matter on the tobacco pipeline" in which foreign matter detection and rejection method, first, a tobacco flow proceeds through the preparation region, in the region, Volume tobacco into a continuous stream of tobacco filler strip, then through a station a smoking, in that station, the filler used is made to Volume continuous tobacco rod, finally, by a cutter means which smoke Volume Volume bar is divided into a cigarette; forward through the pipeline is guided to a given point detecting means, and exposed to electromagnetic radiation at microwave frequencies, the electromagnetic radiation in such a way to transmit and receive: generating any reflection along the tobacco stream changing the output signal of the moisture content, the moisture content of this change is caused by a foreign matter contained, and connected to the associated portion of the tobacco smoke corresponds to a single recognizable Volume given stream. 目前,烟箱缺条或烟条缺包检测一般都是釆用称重法和核子法。 Currently, tobacco smoke box or strip missing missing packet detecting section are generally preclude the use of nuclear method and gravimetric method. 称重法测量稳定性差,当每包烟自重波动较大时,这种方法失效。 Poor stability weighing measurement, when a large weight fluctuations per pack of cigarettes, this method fails. 核子法能满足检测要求,但有微量核辐射。 Nuclear detection method can meet the requirements, but there are traces of nuclear radiation. 发明内容本发明的目的是克服现有技术的弱点,提供一种无核辐射、检测稳定性好, 可靠性高的无接触式烟箱缺条、烟条缺包微波检测方法。 Object of the present invention is to overcome the weaknesses of the prior art, there is provided a nuclear radiation detector good stability, a highly reliable non-contact type smoke box missing item, the microwave detection tobacco rod missing packet. 本发明所述的烟箱缺条、烟条缺包微波检测方法由以下步骤组成:一、 先用微波辐射标准烟箱或烟条,获得标准数据存入计算机;二、 用微波向烟箱或烟条辐射,同步检测沿水平方向的反射场分量;三、 用微波实时扫描烟箱或烟条,获得的实时数据与标准烟箱或烟条比较;四、 经查表处理后获得烟箱内条的分布图像或烟条内包的分布图像。 Smoke box missing article of the present invention, the microwave detecting tobacco rod missing packet the method comprising the steps of: a first smoke box with microwave radiation or standard tobacco rod to obtain a standard data stored in the computer; two, the smoke box or microwave radiation tobacco rod, synchronization detection in the horizontal direction of the reflected field components; III, real-time data obtained compared to a standard cigarette smoke box or strip with microwave smoke box or real-time scanning tobacco rod; four, look-up table after smoke treatment tank obtained distribution image or the tobacco rod encapsulated strip. 上述方法中所述的烟箱或烟条中的烟是用锡箔纸包装或包装层上镀有金属膜的烟;步骤二中所说的微波向烟箱或烟条辐射,是指微波以大于0°小于90° 斜入射,尤其以30° -60°为最佳,与发射天线和接收天线的类型无关;微波发射器顺序同步扫描烟箱或烟条的不同位置;步骤一所说的用微波辐射标准烟箱或烟条而获得标准数据,不同大小的烟箱或烟条标准数据不同;步骤三所说的用微波实时扫描烟箱或烟条而获得的实时数据,必须经过去除噪声和干扰处理, 本领域中,常用的方法为滤波。 The method described in the above-described smoke box or in the tobacco rod with the cigarette package or packaging foil layer of metal film plated smoke; in step two of said microwave radiation to the tobacco rod or cigarette box, means of microwaves is greater than 0 ° oblique incidence smaller than 90 °, especially 30 ° -60 ° is the best, regardless of the type of transmit and receive antennas; microwave transmitter sequentially scanned synchronously smoke box or in different positions of the tobacco rod; said step of using a standard microwave radiation smoke box or standard data obtained tobacco rod, cigarette boxes of different sizes or of different data standard tobacco rod; three step real-time scanning of said microwave smoke box or the tobacco rod to obtain real-time data, and the noise must be removed rejection process in the art, commonly used method for filtering. 本发明的原理为用微波辐照烟箱或烟条,通过检测反射波而获知烟箱内条的分布图像或烟条内包的分布图像,从而实现烟箱缺条或烟条缺包微波检测方法。 The principles of the present invention is irradiated with microwaves smoke box or the tobacco rod, the known distribution image distribution image or the tobacco rod of smoking article packet tank by detecting the reflected waves, smoke box in order to achieve the tobacco rod or bar missing missing packet microwave detection method . 由电磁场理论知,当微波对理想导体斜入时,区域(1)中的入射场为图1 所示:<formula>formula see original document page 4</formula>区域(1)中合成场^方向是驻波,Ez每隔^A^交替出现波节和波腹点;区域(1)中合成场5方向是行波,沿^方向有实功率流,故通过检测5方向的行波可获知烟箱内条的分布图像或烟条内包的分布图像:缺条或缺包时,g,方向行波最小,不缺条或缺包时,^方向行波最大。 A known electromagnetic field theory, microwave when the swash-fitting conductors over the region of the incident field (1) is shown in Figure 1: <formula> formula see original document page 4 </ formula> region (1) in the direction of the resultant field ^ standing wave, ^ a ^ of Ez every alternate nodes and antinodes point; region (1) is synthesized in the direction of the traveling wave field 5, there is the real power flow in the direction ^, so the detector 5 by the traveling wave direction may be learned the distribution image distribution image of cigarette smoke box or strip package: when the package missing or missing bar, g, the smallest direction of the traveling wave, no shortage or lack of strip packages, ^ maximum wave row direction. 实验结果如下:在图2所示的实验条件下,微波频率17.5GHZ,功率50mw, 喇叭开口尺寸30X40,缺条时,通过检测器检测的电压为0〜20mv,不缺条时为200mv左右。 The results are as follows: Under the experimental conditions shown in Figure 2, a microwave frequency 17.5GHZ, power 50MW, the horn opening size 30X40, when the missing item, by the voltage detector is 0~20mv, when the article is no shortage of about 200mv. 与理论结果一致。 Consistent with the theoretical results. 根据上面的方法,本专业的普通技术人员就可以实施本发明技术,实现发明目的。 According to the above method, one of ordinary skill in the art can implement the techniques of the present invention, the object of the invention is achieved. 本发明为微波技术在烟箱缺条或烟条缺包检测上的应用,具体是基于电磁波能穿透纸箱,遇到条内锡箔纸引起反射,通过检测反射波而获知烟箱内条的分布图像或烟条内包的分布图像,从而实现烟箱缺条或烟条缺包微波检测。 The present invention is a microwave technology missing article or cigarette smoke box bar missing packet is detected on the application, in particular based on an electromagnetic wave can penetrate the carton, the inner face bars due to reflection foil, strip tank smoke distribution learned by detecting the reflected wave image distribution image or the tobacco rod of the package, in order to achieve smoke box or strip tobacco rod missing missing packet microwave detector. 本发明与称重法比较,测量稳定性好,可靠性高,适用范围广;与核子法比较, 无核辐射,调试检修方便。 Comparison with the weighing method of the present invention, the measurement stability, high reliability and wide application; method compared with nuclear, nuclear radiation, to facilitate debugging and maintenance. 附图说明图1为平面波对理想导体的垂直极化斜入射及其坐标系。 BRIEF DESCRIPTION OF DRAWINGS FIG 1 is a vertically polarized plane wave over the conductor and the coordinate system of the oblique incident. 图2为本发明提供的静态实验条件。 Providing a static test of the present invention, FIG. 图3为实施例中的系统框图。 3 is a system block diagram of the embodiment. 图4为实施例中的微波辐射与接收示意图。 4 is the embodiment of microwave radiation and receiving schematic. 图5为实施例中的电路方框图。 5 is a circuit block diagram in the embodiment. 具体实施方式本发明方法步骤如下:如图3所示,发射天线3以45。 DETAILED DESCRIPTION The method of the present invention, the steps are as follows: As shown in FIG 3, the transmission antenna 3 to 45. 向烟箱或烟条l发射微波,接收天线2以同样角度同步接收烟箱或烟条1反射的微波,发射微波经检测器5整流、放大、A/D转换后送入计算机系统6 (扫描电路控制微波扫描烟箱或烟条的不同位置)。 Transmit to the tobacco rod or the cigarette box l microwave, the receiving antenna 2 receives the synchronization smoke box or a tobacco rod microwaves reflected at the same angle, the microwave emission detector 5 via the rectifier, amplification, A / D converter 6 into the computer system (scanning microwave scanning control circuit smoke box or different positions of the tobacco rod). 当计算机系统6控制发射器4顺序扫描烟箱或烟条时, 计算机系统获得了烟箱内条的分布图像或烟条内包的分布图像,与标准烟箱或烟条(未缺条或缺包)比较,即可实现烟箱缺条或烟条缺包微波检测。 When a computer system 6 controls the transmitter 4 sequentially scans smoke box or the tobacco rod, the computer system obtains the distribution image within the distribution image or tobacco rod cigarette box article package with standard smoke box or the tobacco rod (not missing article or missing packets ) compared to the smoke box to achieve the tobacco rod or bar missing missing packet microwave detector. 见图4和图5,发射喇叭天线T,〜T5和接受喇叭天线R,〜Rs组与水平面垂直,每组(T,、 R,)喇叭天线快速分时扫描烟箱内Z层(/=1〜5)烟条的分布图像,当烟箱沿传送带移动时,可获得烟箱内烟条的分布图像。 Figures 4 and 5, the transmitting horn antenna T, ~T5 and receiving horn antenna R, ~Rs set perpendicular to the horizontal, each group (T ,, R,) horn antenna sharing scanning cigarette box fast layer Z (/ = ~ 5) distribution image of the tobacco rod when the conveyor belt moves along a smoke box, smoke box distribution image obtained tobacco rod. 图4仅给出了烟箱右边的喇叭天线阵的安装位置,左边同样对称安装5组喇叭天线,喇叭天线开口尺寸为30X40。 Figure 4 only shows the mounting position of the right horn antenna array smoke box, likewise mounted symmetrically on the left 5 group horn antenna horn antenna opening size of 30X40. 以上实施例仅对发明做进一步的说明,而本发明的范围不受所举实施例的局限。 Embodiment of the invention only the above described further embodiments, the scope of the present invention is not limited cited embodiment.

Claims (5)

  1. 1. 一种烟箱缺条、烟条缺包微波检测方法,其特征在于由以下步骤组成: 一、先用微波辐射标准烟箱或烟条,获得标准数据存入计算机; 二、用微波向烟箱或烟条辐射,同步检测沿水平方向的反射场分量; 三、用微波实时扫描烟箱或烟条,获得的实时数据与标准烟箱或烟条比较; 四、经查表处理后获得烟箱内条的分布图像或烟条内包的分布图像; 所述的烟箱或烟条中的烟是用锡箔纸包装或包装层上镀有金属膜的烟。 A smoke box missing item, the microwave tobacco rod missing packet detecting method, comprising the following steps: a first smoke box with microwave radiation or standard tobacco rod to obtain a standard data stored in the computer; Second, the microwave tobacco smoke box or of radiation, synchronization detection in the horizontal direction of the reflected field components; III, real-time data obtained compared to a standard cigarette smoke box or strip with microwave smoke box or real-time scanning tobacco rod; four, look-up table after treatment obtained smoke inside the distribution image distribution image strip or the package of tobacco rod; smoke box or the tobacco rod of cigarette smoke is a metal film with a plated layer foil package or packaging.
  2. 2、 按照权利要求1所述的微波检测方法,其特征在于步骤(二)中所述的微波向烟箱或烟条辐射,其辐射角度为大于0。 2. The microwave detection method according to claim 1, wherein the step (ii) to microwave radiation in the smoke box or the tobacco rod, the radiation angle is greater than zero. 小于90° 。 Less than 90 °.
  3. 3、 按照权利要求1所述的微波检测方法,其特征在于步骤(三)中所述的微波实时扫描烟箱或烟条是用微波发射器顺序同步扫描烟箱或烟条的不同位置。 3. The microwave detection method according to claim 1, wherein the step (c) in the real-time scanning microwave smoke box or the tobacco rod using a microwave emitter is sequentially scanned synchronously smoke box or different positions of the tobacco rod.
  4. 4、 按照权利要求1所述的微波检测方法,其特征在于步骤(三)中所述的用微波实时扫描烟箱或烟条而获得的实时数据,必须经过去除噪声和干扰处理。 4. The microwave detection method according to claim 1, wherein the step (c) real-time data in the real-time scanning microwave smoke box or the tobacco rod obtained, must noise removing process.
  5. 5、 按照权利要求1所述的微波检测方法,其特征在于步骤(二)中所述的微波向烟箱或烟条辐射,其辐射角度为30。 5. The microwave detection method according to claim 1, wherein the step (ii) to microwave radiation in the smoke box or the tobacco rod, the radiation angle of 30. 一60° 。 A 60 °.
CN 200410022718 2004-06-03 2004-06-03 Smoke box missing item, the microwave tobacco rod missing packet detection method CN100406876C (en)

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CN101363805B (en) 2007-08-07 2011-04-20 南京理工大学 Method for detecting shortage of products packaged by aluminum foil by microwave and detector thereof
CN103940833B (en) * 2014-04-30 2016-01-20 嘉兴市特种设备检测院 A method of detecting defects in weld joints polyethylene pipe

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US4166973A (en) 1978-03-07 1979-09-04 Philip Morris Incorporated Method and system for detection of thin metal layers in packaged articles
US4890053A (en) 1988-04-15 1989-12-26 Philip Morris Incorporated Method and apparatus for detecting a missing object in a set of objects
CN1170913A (en) 1996-06-28 1998-01-21 株式会社东京自动机械制作所 Device for inspecting not enough product in packed articles

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US4166973A (en) 1978-03-07 1979-09-04 Philip Morris Incorporated Method and system for detection of thin metal layers in packaged articles
US4890053A (en) 1988-04-15 1989-12-26 Philip Morris Incorporated Method and apparatus for detecting a missing object in a set of objects
CN1170913A (en) 1996-06-28 1998-01-21 株式会社东京自动机械制作所 Device for inspecting not enough product in packed articles

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