WO2013086783A1 - 物品表面危险物质的检测装置及检测方法 - Google Patents

物品表面危险物质的检测装置及检测方法 Download PDF

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Publication number
WO2013086783A1
WO2013086783A1 PCT/CN2012/001689 CN2012001689W WO2013086783A1 WO 2013086783 A1 WO2013086783 A1 WO 2013086783A1 CN 2012001689 W CN2012001689 W CN 2012001689W WO 2013086783 A1 WO2013086783 A1 WO 2013086783A1
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WO
WIPO (PCT)
Prior art keywords
detection
substance
friction member
article
heating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2012/001689
Other languages
English (en)
French (fr)
Inventor
林伟智
于海军
张阳天
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nuctech Co Ltd
Original Assignee
Nuctech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nuctech Co Ltd filed Critical Nuctech Co Ltd
Priority to US14/365,077 priority Critical patent/US20140345364A1/en
Priority to CA2859111A priority patent/CA2859111C/en
Priority to EP12856801.1A priority patent/EP2793014A4/en
Publication of WO2013086783A1 publication Critical patent/WO2013086783A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N2001/022—Devices for withdrawing samples sampling for security purposes, e.g. contraband, warfare agents
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N2001/022—Devices for withdrawing samples sampling for security purposes, e.g. contraband, warfare agents
    • G01N2001/024—Devices for withdrawing samples sampling for security purposes, e.g. contraband, warfare agents passengers or luggage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N2001/028—Sampling from a surface, swabbing, vaporising
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N2015/0003—Determining electric mobility, velocity profile, average speed or velocity of a plurality of particles

Definitions

  • the present invention relates to the field of detection technology. More specifically, the present invention relates to a detecting device and a detecting method for adsorbing a substance on an article surface.
  • the substance on the surface of the item can be a drug, an explosive or other dangerous substance.
  • the detection technique of the present invention enables rapid detection of drugs, explosives, and other material particles on the surface of the cargo mail on the conveyor belt. This technique of the present invention 4 departs from the field of application technology of f migration detection.
  • the invention is to improve the speed of detecting the mail of the ion migration device and reduce the input of the person in the detection process.
  • the invention utilizes the conveyor belt to work, the material 'particle collection on the surface of the cargo mail is automatically completed by actively contacting the friction member, and the injection and detection are performed, which reduces the work of the staff in the traditional ion migration equipment detection process. For efficiency, achieve the purpose of rapid detection.
  • Detection device for detecting dangerous substances on the surface of articles, including: Conveyor belts for conveying articles; ⁇ ':, ⁇ Get the device's ability to automatically acquire the substance adsorbed on the surface of the item when the conveyor conveys the item; the detection module, Chuanqiu detects the substance obtained by the obtaining device, and determines whether it is a dangerous substance, wherein the dangerous substance can Goods or explosives, etc.
  • the acquisition device may comprise a surface friction member that is capable of contacting the surface of the article and i i i rubbing the substance of the article.
  • the detecting device of the present invention may further comprise a retracting device for the surface friction member, and the retracting device can automatically retract and pull out the ⁇ friction member.
  • the detection device of the present invention may further comprise a heating device capable of heating the acquisition device to enable acquisition The material obtained by 'ffi is volatilized.
  • the detection module is connected to the heating device, and the volatilized gas is taken from the heating device for - detection.
  • the detecting device of the present invention may further comprise a support for the surface friction member, the support member being arranged to be slightly convex
  • the support may include a section in the middle that supports the surface friction member.
  • the press may be coupled with an elastic means below the plane, the elastic means being arranged such that when the article passes the support, the support is depressed without obstructing the passage of the article while the surface friction member is Intimate contact with the surface of the item.
  • the elastic means is for example a spring.
  • the surface friction member is a filter mesh, such as a stainless steel metal mesh
  • the retracting device may be a filter reel
  • the heating device may be a filter heating cartridge, wherein the filter mesh The reel is placed in the filter cartridge.
  • the filter screen can be retracted into the filter heating cylinder or extracted from the filter heating cylinder. More preferably, the screen is wound around the screen reel _h when it is automatically retracted.
  • the heating block may be embedded to form a heating body, thereby heating the screen in the heating cylinder of the filter to volatilize the substance adhering to the screen.
  • the detecting device of the present invention may further comprise an image capturing device, such as a camera, arranged to take a picture of the object while detecting the item.
  • an image capturing device such as a camera
  • the detecting device of the present invention may further comprise a photoelectric switch, a twisting wheel, a driving motor, a coaxial belt, an air switch, a heating control module, and a motion control module.
  • a method of obtaining an adsorbed substance on an article surface comprising: transporting an article using a transport W; and automatically acquiring an adsorbed substance on a surface of the article by using an acquisition device when the conveyance belt conveys the article.
  • the present invention further utilizes the above method for obtaining an adsorbed substance on the surface of the article to further detect the adsorbed substance on the surface of the article, which comprises automatically detecting the substance using at least one of the detecting modules.
  • W detection modules can be provided, said two detection modules operating alternately. Alternatively, only one detection module may be provided, the one detection block operating continuously progressively.
  • I Winter I 1 is an external schematic diagram of the device of the present invention when two ion migration detection modules are installed;
  • I Winter I 2 is an internal schematic diagram of the apparatus of the present invention when two sets of migration detection modules are installed;
  • I Winter I 3 is a schematic diagram of the bottom of the device of the present invention when two ion migration detection modules are installed;
  • 1 ⁇ 1 4 is a sectional view of a heating device of a friction surface member
  • Winter I 5 is a schematic view of the retracting device of the surface friction member
  • 1 ⁇ 1 7 is the bottom schematic diagram when only one ion migration detection module is installed;
  • FIG. 8 is a schematic view of a support for a surface friction member.
  • the pavilion 1 - 3 succinctly shows the external schematic of the device of the present invention when installing two ion mobility detecting modules, the internal small. i winter 1 and the bottom small intent.
  • the apparatus of the present invention includes at least one set of item detection systems.
  • the conveyor belt 1 is set at the top of the inspection system. Positioning at the appropriate position near the middle of the conveyor belt 1
  • the acquisition device can automatically acquire the substance on the surface of the article when the conveyor belt 1 conveys the article.
  • the acquisition sheath may include a surface friction member that is capable of contacting the surface of the article and rubbing the substance of the article ⁇ ⁇ I. It appears that the present invention is not limited to a device for obtaining an adsorbed substance on the surface of an article by friction.
  • the adsorbed material on the surface of the object by means of any ⁇ ' ⁇ segment (for example, it is possible to install air blowing and pumping in the filter supporter) [When the S 3 ⁇ 4 item is passed, the air is blown and extracted. Ways to get the substance adsorbed on the surface of the item).
  • the 3 ⁇ 4 surface friction member is a screen 6, such as a stainless steel metal screen.
  • the detecting device of the present invention may further comprise a retracting device for the surface friction member, which is capable of automatically retracting and pumping the i i i surface friction member.
  • the retracting device is a filter spool 14, which is capable of utilizing the same belt 9 and the sleeve filter 6.
  • the detecting device of the invention of the wood may further comprise a heating device capable of heating the acquiring device to volatilize the obtained material.
  • the heating device is a screen heating cylinder 4 which heats the filter 6 to volatilize the material obtained by the screen 6.
  • the screen heating cylinder 4 comprises a screen reel 14 in which the heating block 12 is disposed inside the filter reel 14 and an external heating body 13 is provided on the outer periphery, as shown in Fig. 2 (shown in Fig. 2).
  • the control screen reel 14 is stabilized near a preset temperature.
  • a detection module 3 for detecting dangerous substances such as drugs, explosives or the like is connected to the filter heating cylinder 4, and volatile gas is taken from the filter heating cylinder 4 for detection.
  • the test fixture of the present invention may further include a support for the surface friction member, as shown in Fig. 8, which is succinctly shown as a filter M ⁇ :2.
  • the 3 ⁇ 4 support 2 is set to protrude slightly from the conveyor belt. 1 .
  • the support 2 can include a section plane in its middle portion for supporting the screen 6 to ensure sufficient contact between the screen and the surface of the article.
  • the support 2 can be connected with a resilient means at the bottom of the top, and the elastic means is made "when the article passes through the support 2, the support 2 is lowered without obstructing the passage of the article, while The screen 6 '-j is in close contact with the surface of the item.
  • the elastic means is for example a spring.
  • a smooth transition section such as a circular arc-shaped transition section, is provided on both sides of the top plane of the support 2.
  • the smooth transition section connects the respective ramps so that the screen 6 can move smoothly over the surface of the support 2 without obstructing the passage of items, such as cargo mail.
  • a suitable number of struts may be provided on both sides of the elastic device W, and a lower portion of the elastic device is connected to a bottom plate, and the splicing passes through a corresponding through hole of the bottom plate ,, thereby making the support 2 work
  • the elastic device moves stably up and down.
  • the present invention is not limited to a biasing device such as a spring, and any device capable of realizing the function of the above-described support 2 is possible.
  • a biasing device such as a spring
  • any device capable of realizing the function of the above-described support 2 is possible.
  • " ⁇ " replaces the spring with an elastic rod that can be vertically connected between the top surface and the bottom plate such that when the object passes through the holder 2, the elastic rod is bent so that the holder 2 is pressed
  • the next step is to prevent the passage of the article, and at the same time make the surface of the filter i"j 6 ⁇ in close contact.
  • the detecting device of the present invention may further comprise an image capturing device 17, such as a camera, which is arranged to trigger a photograph of the taken item when the detected item passes through the shutter light i l'jr.
  • an image capturing device 17 such as a camera
  • the dangerous substance detecting module 3 on both sides is in the ready state, the driving motor 8 rotates counterclockwise, and the
  • the screen 6 is pulled from the filter heating cylinder 4 on the right side, '!
  • the drive motor 8 is mounted with a pair of Hall switches 18.
  • the motion control module 20 controls the number of revolutions of the drive motor 8 through them.
  • Conveyor belt 1 starts to rotate.
  • a pair of photoelectric switches 5 are installed on both sides of the front and rear ends of the filter support 2.
  • the camera 10 triggers the shooting of a cargo mail. photo.
  • the driving motor 8 is clocked, and the screen 6 is pulled into the right filter heating cylinder 4.
  • the screen heating cylinder 4 heats the screen 6 to cause the material of the cargo surface of the screen 6 to be volatilized.
  • the right hazardous substance detection module 3 initially enters the detection state.
  • the gas volatilized in the right heating cylinder 4 is taken out by the pumping A UI 10 of the right side heating 4
  • the alarm information and the photographs that trigger the shooting are packaged and sent to the inspector through the network, and then the inspector performs detailed inspection on the suspicious cargo mails, and the right dangerous substance detecting module 3 Into the clean state, clean the right heating cylinder 4 and the gas that is sucked into the interior of it, and clean it. ⁇ Move into the ready state.
  • the apparatus of the present invention can also install only one set of heating cylinders and dangerous substance detecting modules, and the other section only installs one screen reel, but at this time, the temporary movement of the conveyor belt 1 may be interrupted.
  • the M K degree of the device is longer than that of the two sets of heating cylinders and the hazardous substance detecting module.
  • the right hazardous substance detecting module 3 is in the ready state, the driving motor 8 is rotated counterclockwise, and the excess filter 6 in the right filter heating cylinder 4 is completely pulled out.
  • Conveyor belt 1 starts to rotate, when the cargo mail passes through the filter support 2, blocks two pairs of photoelectric switches 5, the camera
  • the extra filter 6 is not pulled into the right heating cylinder.
  • the drive motor 8 is rotated clockwise, and the filter from the left end of the filter support 2 to the side filter heating cylinder 4 is pulled into the right filter heating cylinder 4.
  • the hazardous substance detection module 3 on the right starts to enter the detection state.
  • the 100321 is continuously progressively tested until there is no excess screen on the filter spool 14. At this time, the conveyor belt 1 stops moving. At this time, it needs to stop lh for a period of time.
  • the right hazardous substance detection module 3 detects the completion, it is in the ready state again, and the filter screen 6 is removed from the filter heating cylinder 4 on the right side. Pull it all out and repeat the test as above.
  • the method of setting one or two sets of detection modules for detecting the adsorbed substances on the surface of the article is described in detail above, and the invention is not limited thereto. Any suitable number of detection modules can be provided depending on the needs of the 3 ⁇ 4.
  • the invention has a large amount of manpower and material resources required for the conventional detecting means by means of the measurement and the method of measuring.
  • the present invention ⁇ f migrates the speed of detecting the mail of the goods, and reduces the personnel input during the detection process.
  • the invention utilizes the transmission ⁇ ⁇ .

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  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Dispersion Chemistry (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Sorting Of Articles (AREA)

Abstract

一种物品表面危险物质的检测装置及检测方法。该物品表面危险物质的检测装置包括：用于传送物品的传送带（1）；与传送带（1）配合设置的获取装置（6），该获取装置（6）能够在传送带（1）传送物品时自动获取物品表面上吸附的物质；检测模块（3），用于自动检测获取装置（6）获得的物质。本发明还提供了利用该检测装置获取物品表面上吸附的物质的方法以及检测该物质是否为危险物质的方法。本发明的检测技术可以对传送带上货物邮件表面的毒品、爆炸物以及其他物质颗粒进行快速检测。

Description

物品表面危险物质的检测装置及检测方法
技术领域
10001] 本发明涉及检测技术领域。 更具体地， 本发明涉及物品表面吸附物质的检测装置及 检测方法。 物品表面上的物质可以是毒品、 爆炸物或其它危险物质。 本发明的检测技术可以 χ」-传送带上货物邮件表面的毒品、 爆炸物以及其它物质颗粒进行快速检测。 本发明的这种技 术 4 Γ离 f迁移检测的应用技术领域。
^^技术
10002] 随 全球化的深入， 特别是近年来的网络购物的兴起， 全球范围内的邮件数量暴 涨。 " 91 1 " 事件以來， 反恐问题 R益严重， "邮包炸弹"成为恐怖分子发动恐怖袭击的一 种常规丁-段。 ί'ί]时， 很多犯罪分子利用邮件运送毒品等违禁物品。
10003] ifi]利用传统的检测手段对如此众多的邮包进行检测， 需要耗费大量的人力物力。 例 iil! , 常规的射线成像技术检测爆炸物的技术， 需要操作人员根据经验来判断。 但炸药、 毒品 ： Lli禁物品 nj"以制作成各种形状， 这给通过图形判断带来极大的困难。 而传统的利用离子迁 移技术检测毒品、 爆炸物， 是检测人员利用特殊的试纸主动在货物表面擦拭， 然后将试纸放 入检测 I I进行检测， 这种检测方法效率比较低下， 检测的速度也比较慢。
发明内容
10004] 本发明 要^ j的是为提高离子迁移设备的检测货物邮件的速度， 降低检测过程中的 人 ί 投入。 本发明利用传送带工作时， 以主动接触摩擦件的方式自动完成对货物邮件表面的 物质'颗粒的采集， 并 动进样和检测， 降低了传统离子迁移设备检测过程中的工作人员的工 作 了丁.作效率， 实现快速检测的目的。
(0005] 为了达到 I：述发叨目的， 本发明提供了如下的技术方案：
+种检测物品表面危险物质的检测装置， 包括： 用于传送物品的传送带； 与传送带配合设置 的 ^収¾？ ί'：， ^获取装' 能够在传送带传送物品时自动获取物品表面上吸附的物质； 检测模 块， 川 ΓΊΊ动检测所述获取装置获得的物质， 并判断是否为危险物质， 其中该危险物质可以 品或爆炸物等。
[0006] 有利地， 所述获取装置可以包括表面摩擦件， 该表面摩擦件能够与物品表面接触并 i i. i 擦吸附物品 面卜.的物质。
[0007] 本发明的检测装置还可以包括表面摩擦件的收放装置， ¾收放装置能够自动收回和 杣出 ιίπ摩擦件。
100081 本发明的检测装霄还可以包括加热装置， 该加热装置能够加热获取装置以使得获取 装' ffi获得的物质挥发。 有利地， 检测模块连接到加热装置， 从加热装置中获取挥发的气体以 进行-检测。 本发明的检测装置还可以包括表面摩擦件的支撑器， 该支撑器被设置成略微凸出
Γ传送带。 有利地， 所述支撑器可以在其中部包括一段平面， 该平面支撑表面摩擦件。 此 外， 所述支搾器在所述平面下方可以连接有弹性装置， 该弹性装置被设置成使得当物品经过 支撑器时， 该支撑器被压下而不妨碍物品的通过， 同时使表面摩擦件与物品表面紧密接触。 优选地， 所述弹性装置例如是弹簧。 ·
[0009] 优选地， 所述表面摩擦件是滤网， 例如不锈钢金属滤网， 并且所述收放装置可以是 滤网卷筒， 所述加热装置可以是滤网加热筒， 其中所述滤网卷筒设置在滤网加热筒中。 优选 地， 滤网可以 ί:1动收冋到滤网加热筒中， 或者从滤网加热筒中抽出。 更优选地， 滤网自动收 放时被缠绕在滤网卷筒 _h。 此外， 在滤网加热筒串.可以预埋有加热块， 以形成加热体， 从而 为收 H到滤网加热筒中的滤网加热， 使得附着在滤网上的物质挥发。
[0010] 本发明的检测装置还可以包括摄像装置， 例如摄像头， 其被设置成在检测物品时拍 扱物 的照片。
10011] 此外， 本发明的检测装置还可以包括配套设置的光电开关、 同歩轮、 驱动电机、 同歩 带、 尔幵关、 加热控制模块和运动控制模块等。
[0012] 根据本发明的另一方面， 提供了一种物品表面吸附物质的获取方法， 包括： 使用传 送 W传送物品； 在传送带传送物品时利用获取装置自动获取物品表面上吸附的物质。
[0013] 此外， 本发明还利用上述获取物品表面吸附物质的方法來进一歩检测所述物品表面 吸附物质， 其包括利用至少一个 ^面所述的检测模块自动检测所述物质。 有利地， 可以提供 W个检测模块， 所述两个检测模块交替地工作。 替代地， 可以仅提供一个检测模块， 所述一 个检测校块连续递进地工作。
附^说明
[0014] 通过 K ifii结合附图的详细说明， 本发明的这些和其它目的和优点将变得更清楚， 附
I冬 I 1为安装 2台离子迁移检测模块时本发明装置的外部示意图；
I冬 I 2为安装 2台离于迁移检测模块时本发明装置的内部示意图；
I冬 I 3为安装 2台离子迁移检测模块时本发明装置的底部示意图；
1^1 4为^面摩擦件的加热装置的剖面图；
1冬 I 5为表面摩擦件的收放装置的示意图；
6为仅安装 1台离子迁移检测模块时的内部示意图； 1^1 7为仅安装 1台离子迁移检测模块时的底部示意图；
8为表面摩擦件的支撑器的示意图。
10015] 附图标记列表
1 -传送带， 2 -滤网支撑器， 3—离子迁移检测模块， 4一滤网加热筒， 5—光电开关， 6—滤 网， 7— ij 轮， 8—驱动电机， 9一同歩带， 10—抽气口， 1 1一加热筒顶盖， 12—内部加热 块， 1 3 外部加热体， 14一滤网卷筒， 15—同歩轮连接轴， 1 6—外部加热块， 17—摄像头及 l^ , 1 8—霍尔丌关， 19一加热控制模块， 20—运动控制模块。
体实施方式
[0016] 下面结合附图来具体描述本发明的实施例。
10017] 阁 1 -3小意性地示出了安装 2台离子迁移检测模块时本发明装置的外部示意图、 内部 小. i冬 1和底部小意图。 本发明的装置包括至少一套物品检测系统。
10018] 如^所小， 传送带 1 设置在检测系统的顶部。 在传送带 1 中部附近的适当位置设置 1Ϊ获収装 ^获取装置能够在传送带 1传送物品时自动获取物品表面上的物质。 具体地， 所述获取装青可以包括表面摩擦件， 该表面摩擦件能够与物品表面接触并且摩擦吸附物品表 ιίιι I·.的物质。 似是， 本发明并不限于通过摩擦来获取物品表面吸附物质的装置。 借助于任何 迠' Τ·段来获取物品表面吸附物质的方式都是可行的 （例如， 可以在滤网支撑器中安装吹气 和抽 '〔装 S ¾物品通过时， 以吹打和抽取气流的方式來获取物品表面吸附的物质）。 在本 叫的¾施例中， ¾表面摩擦件是滤网 6 , 例如不锈钢金属滤网。
[0019] 本发明的检测装置还可以包括表面摩擦件的收放装置， 该收放装置能够自动收回和 抽 i l i表面摩擦件。 在本发明的实施例中， 收放装置是滤网卷筒 14， 其能够利用同歩带 9 收 M和袖出滤网 6。
10020] 木发明的检测装置还可以包括加热装置， 该加热装置能够加热获取装置以使得获取 获 的物质挥发。 在本发明的实施例中， 该加热装置是滤网加热筒 4， 其加热滤网 6 以 ί^滤网 6获取的物质挥发。 如图 4所示， 滤网加热筒 4包含滤网卷筒 14， 在滤网卷筒 14 的内部 ¾Ηί加热块 12 , 外部 周设有外部加热体 13， 由加热控制模块 19 (图 2所示） 控制 滤网卷筒 14稳定在预设温度附近。
10021] 在本发明的有利实施例中， 例如用于检测毒品、 爆炸物等危险物质的检测模块 3 连 接到滤网加热筒 4， 从滤网加热筒 4中获取挥发的气体以进行检测。
10022] 本发明的检测装晋.还可以包括表面摩擦件的支撑器， 如图 8 所示， 该支撑器作为滤 M ^ :器 2被小意性地示出。 如图 1 或图 2所示， ¾支撑器 2被设置成略微凸出于传送带 1 , 利地， 所述支撑器 2 可以在其中部包括 -段平面， 该平面用于支撑滤网 6， 保证滤网 和物品表面充分接触。 此外， 所述支撑器 2在顶部下方可以连接有弹性装置， 该弹性装置被 &ϊ'ί:成使得'— 物品经过支撑器 2时， ¾支撑器 2被 下而不妨碍物品的通过， 同时使滤网 6 '-j物品表面紧密接触。 优选地， 所述弹性装置例如是弹簧。 另外， 在支撑器 2的顶部平面两 侧 πί以设有平滑过渡段， 例如其圆弧形过渡段。 所述平滑过渡段连接相应的斜面， 从而使得 滤网 6能够在支撑器 2的表面上平滑地运动， 而且不会阻碍物品 （例如货物邮件） 通过。 优 选地， 在弹性装 W的两侧可以设有适' 数量的支杆， 弹性装置的下部连接于一底板， 所述支 打穿过底板屮的对应通孔， 从而在支撑器 2工作时使弹性装置稳定地上下运动。 然而， 本发 叫并不限于弹簧这样的偏置装置， 任何能够实现上述支撑器 2的功能的装置都是可行的。 例 如， "ί以用弹性杆代替弹簧， 该弹性杆可以竖直地连接在所述顶部表面和底板之间， 使得当 物^经过支撑器 2时， 弹性杆被弯曲从而该支撑器 2被压下而不妨碍物品的通过， 同时使滤 i"j 6 ^物品表面紧密接触。
[0023] 本发明的检测装置还可以包括摄像装置 17， 例如摄像头， 其被设置成当检测物品通 过遮 ι光 i l'jr关 5时， 触发拍摄 -张物品的照片。
[0024] 下面以 .体示例的方式举例描述本发明的操作方法。
[0()25| ' 安装^套加热筒和危险物质 （例如毒品、 爆炸物等） 检测模块 3 时， 可以实现不 断的检测， 此时本发明装置的工作流程如下：
检测」 1'·始时， 两侧危险物质检测模块 3均处于就绪状态， 驱动电机 8逆时针转动， 通过同歩 带 9使 |nj 轮 7转动， 将连接在同歩轮连接轴 15 上的滤网 6从右侧的滤网加热筒 4中拉 ,' ! 驱动电机 8 卜方安装有一对霍尔丌关 1 8， 运动控制模块 20通过它们来控制驱动电机 8 转动的圈数。
100261 传送带 1 开始转动， 滤网支撑器 2前后端两侧各安装了一对光电开关 5， 当货物邮件 过滤网支撑器 2， 遮挡两对光电开关 5时， 摄像头 10触发拍摄一张货物邮件的照片。
[ 0027] ^Η—ί货物通过后， 而两侧危险物质检测模块 3 都处于就绪状态时， 驱动电机 8 顺时 计 动， 将滤网 6拉入右侧滤网加热筒 4中。 滤网加热筒 4对滤网 6进行加热以使得滤网 6 収的货物农面 的物质挥发。 右侧危险物质检测模块 3丌始进入检测状态。 通过右侧加热 4 |·.的抽 A U I 10抽取右侧加热筒 4中挥发的气体进行检测。 如果检测结果： ι 常， 则重新 进入就绪状态。 如果检测到毒品或者爆炸物等违禁品， 则将报警信息和触发拍摄的照片打包 通过网络发送给检査人员， 然后检査人员针对这些可疑货物邮件进行详细检查， 同时右侧危 险物质检测模块 3进入清洁状态， 清洁右侧加热筒 4和被其吸入自身内部中的气体， 清洁完 ^ 动进入就绪状态。
100281 又有货物通过时， 而两侧危险物质检测模块 3 都处于就绪状态时， 驱动电机 8 逆 时针转动， 将滤网 6拉入左侧滤网加热筒 4 中， 左侧危险物质检测模块 3 开始进入检测状 态。 如此 Α·:右两侧交替进行。
10029] 为节约成本， 该本发明的设备也可以只安装一套加热筒和危险物质检测模块， 另一 段仅安装一个滤网卷筒， 但此时可能出现传送带 1暂时运动中断的情况。 同时该装置上的滤 M K度比安装两套加热筒和危险物质检测模块的要长， 当将滤网完全拉入右侧滤网加热筒 时， 滤网要接近填满整个滤网加热筒。 其检测流程如下：
检测幵始时， 右侧危险物质检测模块 3处于就绪状态， 驱动电机 8逆时针转动， 将右侧的滤 网加热筒 4中多余的滤网 6全部拉出。
10030] 传送带 1 幵始转动， 当货物邮件经过滤网支撑器 2， 遮挡两对光电开关 5时， 摄像头
1 触发拍摄一张货物邮件的照片。
[0031 ] ^冇邮件货物通过， 而右侧危险物质检测模块 3处于就绪状态， 且滤网卷筒 14上还
{]多余的滤网 6没有被拉入右侧加热筒。 驱动电机 8顺时针转动， 将从滤网支撑器 2左端丌 始到 侧滤网加热筒 4部分的滤网拉入右侧滤网加热筒 4中。 右侧危险物质检测模块 3开始 ϋί入检测状态。
100321 如此连续递进检测， 直到滤网卷筒 14 上没有多余的滤网。 此时， 传送带 1 停止运 动， 这时需要停 lh等待一段时间， 待右侧危险物质检测模块 3检测完毕， 重新处于就绪状态 in , μί次将滤网 6从右侧的滤网加热筒 4中全部拉出， 重新按照如上歩骤进行检测。
10033] ili然上文详细描述了设置一套或两套检测模块进行物品表面吸附物质检测的方法， in 木发明 不 w限于此。 根据 ¾际需要， 可以提供任何适当数量的检测模块。 本发明通过 述^测¾ ¾和柃测方法， 节 '了传统检测手段所需要的大量人力物力。 具体而言， 本发明 ΊΊ f迁移设备的检测货物邮件的速度， 降低了检测过程中的人员投入。 本发明利用传 送^ Γ.作时， 以 }·:动接触摩擦件的方式自动完成对货物邮件表面的物质颗粒的采集， 并自动 进样和检测， 降低了传统离子迁移设备检测过程中的工作人员的工作量， 提高了工作效率， 现 快速检测的目的。
I0034J )、V:';1:总的足， 本文所描述的示范性实施例描述了本发明的优选实施例， 但决不以任
M力' 限制本发明的范闱。 本领域技术人员能够从上文的教导内容， 根据实际需要对本发明 的^ i:施例进行各种组合和变形。 在不脱离本发明范围和实质的情况下， 根据实际的检测需 ' ， nj以对本发明的检测装置和检测方法进行各种变化和修改。

Claims

权 利 要 求
1. 种检测物品农面是 W有危险物质的检测装置， 包括-
J IJ 传送物 的传送带;
'-j传送带配合设置的获取装置， 该获取装置能够在传送带传送物品时自动获取物品表面上的 吸附的物质；
检测投块， 用 f rt动检测所述获取装置获得的物质， 并判断是否为危险物质。
2. 根¾权利 S求 1 所述的检测装置， 其中所述获取装置包括表面摩擦件， 该表面摩擦件能 够 物 面接触并 H.摩擦吸附物品表面上的物质。
3. 报 权利^求 2 所述的检测装 ¾， 还包括表面摩擦件的收放装冒.， 该收放装置能够自动 收! "I和抽出 面摩擦件。
4. 报据权利要求 2 所述的检测装置， 还包括加热装置， 该加热装置能够加热获取装置以使 i'.i获取装置获得的吸附的物质挥发。
5. 根¾权利 求 4 所述的检测装置， 其中检测模块连接到加热装置， 从加热装置中获取挥 发 1'1勺 〔休以进行检测。
6. 根 '；权利耍求 2 所述的检测装置， 还包括表面摩擦件的支撑器， 该支撑器被设置成略微 ι"ι出 ί·传送带。
7. 根 权利要求 6 所述的检测装置， 其中所述支撑器在其中部包括一段平面， 该平面支撑 lill摩擦件。
8. 报¾权利要求 7 所述的检测装覽， 其中所述支撑器在所述平面下方连接有弹性装 ¾， 该 忭装 被设 1成使得 物品经过支撑器时， 该支撑器被压 而不妨碍物品的通过， 同时使 ίΠ摩擦件1 j物品 面紧密接触。
9. 根据权利要求 8所述的检测装置， 其中所述弹性装置是弹簧。
10. 根据权利要求 2-9 中任一项所述的检测装置， 其中所述表面摩擦件是滤网， 所述收放装 ？ 滤网卷筒， 所述加热装覽是滤网加热筒， 所述滤网卷筒设置在滤网加热筒中。
11. 报据权利耍求 1 -9 屮仟一项所述的检测装 ¾， 还包括摄像装置， 设置成在检测物品时拍
†ii物 的照片。
12. -种物品 π'ΐί吸附的物质的获取方法， 包括：
使川传送带传送物品；
/1 :传送带传送物品时利用获取装 S自动获取物品表面上的吸附的物质。
13. 根 权利要求 12 所述的方法， 其中所述获取装置包括表面摩擦件， 该表面摩擦件能够 ' J物 ΐίΐί接触并 ft摩擦吸附物品表面上吸附的物质。
14. 根掂权利要求 13所述的方法， 还包括使用收放装置自动地收回和抽出表面摩擦件。
15. 根据权利要求 13 所述的方法， 还包括提供表面摩擦件的支撑器， 该支撑器被设置成略 微 A出 传送带。
16. 报^权利要求 15 所述的方法， 其中所述支撑器包括弹性装置， 该弹性装置被设置成使 物品经过支撑器时， 该支撑器被压下而不妨碍物品的通过， 同时使表面摩擦件与物品表 ιίη紧密接触。
17. 根据权利要求 13- 16 中任一项所述的方法， 其中所述表面摩擦件是滤网， 所述收放装置 滤网 ¾简。
18. 巾利川根¾权利要求 12- 17 中任一项所述的方法检测物品表面危险物质的颗粒的方 法， 包括:
利川个:少 个检测模块！^动检测所述的危险物质。
19. 根 ;权利要求 18 所述的方法， 还包括： 在获取物品表面上的物质之后使用加热装置加 热所述获取装置以使得所述物质挥发。
20. 根 '；权利要求 19 所述的方法， 还包括将检测模块连接到加热装置， 从加热装置中获取 抨发的 体以进 ίΓ检测。
21. 根¾权利要求 18-20 中任 -项所述的方法， 还包括提供摄像装置， ¾摄像装置设置成在 检测物品时拍摄物品的照片。
22. 根据权利要求 18-20 中任一项所述的方法， 其中提供两个检测模块， 所述两个检测模块 1^地 1:作。
23. 根^权利耍求 1 8-20 中任一项所述的方法， 其中仅提供一个检测模块， 所述一个检测模 块迮续递进地 作。
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