WO2014187169A1 - 一种多通道快速安检系统 - Google Patents

一种多通道快速安检系统 Download PDF

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Publication number
WO2014187169A1
WO2014187169A1 PCT/CN2014/071397 CN2014071397W WO2014187169A1 WO 2014187169 A1 WO2014187169 A1 WO 2014187169A1 CN 2014071397 W CN2014071397 W CN 2014071397W WO 2014187169 A1 WO2014187169 A1 WO 2014187169A1
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WIPO (PCT)
Prior art keywords
inspection
channel
ray
security inspection
baggage
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PCT/CN2014/071397
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English (en)
French (fr)
Inventor
夏国平
张鹏冲
Original Assignee
安徽启路达光电科技有限公司
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.)
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Priority claimed from CN 201320284192 external-priority patent/CN203275671U/zh
Priority claimed from CN2013203164555U external-priority patent/CN203299146U/zh
Application filed by 安徽启路达光电科技有限公司 filed Critical 安徽启路达光电科技有限公司
Publication of WO2014187169A1 publication Critical patent/WO2014187169A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
    • G01V5/22—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays

Definitions

  • the invention relates to an X-ray safety inspection system, in particular to a multi-channel rapid security inspection system, which is a rapid security inspection system integrating personnel security inspection and baggage security inspection. Background technique
  • Security inspection equipment for the safety inspection of people or luggage is arranged in important places such as airports, stations, shipping terminals, convention centers, government agencies, large sports fields and border inspection ports.
  • metal detectors are mainly used to detect contraband products carried by the human body.
  • every security inspector needs to perform security checks for hundreds of passengers every day.
  • Each security inspector bends 600 times a day and turns 300 times around the passengers. This greatly increases the number of passengers.
  • the labor intensity of security personnel can only be detected for dangerous goods such as explosives and drugs carried by the human body.
  • the existing X-ray human body security inspection system not only has a slow detection speed, but also cannot meet the demand for detecting a large number of human flows, and because the X-ray dose size cannot be accurately controlled according to human body characteristics, it is easy to cause harm to the human body.
  • the existing security equipment cannot carry out security inspections on a large number of people and luggage at the same time. Therefore, two sets of security personnel are required to be responsible for the baggage security device and the metal detector respectively, which not only causes waste of personnel and labor intensity, but also reduces The efficiency of the detection will also cause confusion due to the separation of the person to be inspected and the baggage when the flow of people is large, and the baggage is misplaced.
  • the invention aims to solve the problems of high labor intensity, low efficiency of human safety detection and serious waste of human resources of security personnel in the prior art, and provides a multi-channel rapid security inspection system to enable original metal detection
  • the functions of the instrument and the baggage security instrument are integrated into one device, thereby reducing the number of devices used in the security inspection process and the number of security personnel, reducing the labor intensity of the security personnel, improving the detection efficiency and the detection security.
  • the present invention provides a multi-channel rapid security inspection system including an operation control system and an X-ray security inspection machine, the X-ray security inspection machine including a radiation emitting device and a radiation receiving device, the radiation emitting device and the radiation receiving device At least two motion inspection channels disposed in parallel with each other are disposed between the two; the motion inspection channels are respectively a human motion inspection channel and a baggage motion inspection channel, and both are controlled by the operation control system.
  • the personnel movement inspection passage and the baggage movement inspection passage are in a split combination, and the height of the baggage movement inspection passage is greater than the height of the personnel movement inspection passage.
  • the ray emitting device includes an X-ray generator, and an X-ray exit of the X-ray generator is provided with a ray collimating portion that forms a narrow fan-shaped surface, and the ray collimating portion has a flat horn shape;
  • the radiation receiving device includes a detector that receives an X-ray in the shape of an L-shape, the detector being connected to the data collector via a cable, the data collector being electrically connected to the operational control system.
  • the personnel movement inspection passage includes a machine base and a traction device located on the machine base.
  • the traction device includes a conveyor belt, a traction drive roller for driving the conveyor belt, and a driven roller.
  • the center of the traction device is provided with an adjustment roller for adjusting the tightness of the belt.
  • a support pad is disposed below the upper portion of the conveyor belt and slides on the support pad.
  • the support pad is made of a metal plate, or a polytetrafluoroethylene plate is further added to the metal plate.
  • the Teflon sheet can be lubricated to reduce the friction of the belt as it slides over the support pad.
  • the conveyor belt can be slipped on the support pad.
  • the conveyor belt can directly carry people, and the central part will not sink due to heavy weight. Under the action of the traction device, the conveyor belt slides linearly on the support pad in the horizontal direction.
  • a standing platform is arranged at both ends of the personnel movement inspection passage, and the person to be inspected first stands on the standing platform at the entrance of the passage when entering the personnel inspection passage, and then moves to the conveyor belt to advance with the conveyor belt. After the inspection is completed, it is moved from the conveyor belt to the standing platform at the exit of the tunnel and then moved to the ground.
  • a pressure sensor is disposed on the human motion inspection channel, and an output end of the pressure sensor is electrically connected to an input end of the operation control system; and an electrical connection between the pressure sensor and the operation control system is performed to electrically signal the pressure sensor Amplified signal processor.
  • the pressure sensor is located in the person to be inspected
  • the standing platform at the entrance, the standing platform can be used as an electronic scale after setting the pressure sensor.
  • the pressure sensor can also be placed below the person motion inspection channel located at the entrance between the radiation emitting device and the radiation receiving device as the conveyor moves.
  • the pressure sensor under the personnel movement inspection channel will feel the weight of different human bodies and output an electrical signal characterizing the weight, and then transmit the electrical signal to
  • the signal processor performs amplification processing, and the processed data controls the X-ray dose controller through an operation control system, and the X-ray dose controller controls the X-ray generator to generate an X-ray dose value that matches the weight of the object to be detected.
  • reduce X-ray damage to the human body On the basis of ensuring the accuracy of the test results, reduce X-ray damage to the human body.
  • the baggage inspection passage is a single layer or a double layer structure.
  • the baggage transport inspection passage of the single-layer structure includes a support portion on which a transport belt is provided, and the transport belt is driven to be translated by a drive roller provided at an end of the support portion.
  • the motor of the drive roller is electrically coupled to an operational control system.
  • the translational mode of the transport belt is a cyclic movement.
  • the baggage movement inspection passage of the double-layer structure is a baggage movement inspection passage of two single-layer structures fixed up and down.
  • the motion inspection channel in the present invention includes at least two, and the specific number can be combined according to human flow.
  • two can be, one person movement inspection channel is used to detect the flow of people, and another bag movement inspection channel is used to detect the baggage.
  • the personnel motion inspection channel is close to the radiation receiving device, and the baggage motion inspection channel is close to the radiation emitting device.
  • the motion inspection channel is driven by a motor or a roller to perform a cyclic motion to achieve continuous detection of the human body or luggage.
  • the personnel and the baggage are respectively placed on the belts of the respective inspection channels, and the driving rollers convey the people or the baggage smoothly by driving the belt.
  • the ray emitting device and the ray receiving device are respectively placed on both sides of the middle of the motion detecting channel.
  • the operation control system and the computer image processing system are first turned on, the radiation emitting device and the radiation receiving device are calibrated, and the operation control system drives the driving roller in the motion inspection channel to drive the belt to perform continuous circulation motion, and can pass The motor speed of the drive roller is controlled to adjust the speed of the motion inspection channel.
  • the operation control system receives a trigger signal, and according to the trigger signal, determines whether the object to be detected is a human body or a baggage. If it is a human body, the signal sent by the pressure sensor on the channel is determined according to the motion of the person to determine the dose of the X-ray generator to emit radiation.
  • the dose of the X-ray generator to emit radiation is determined according to the X-ray inspection standard of the baggage.
  • Ray-emitting device The radiation dose signal emits X-rays, and the radiation receiving device receives X-rays transmitted through the human body or the luggage, and converts them into digital signals, and transmits the digital signals to the computer image processing system for processing through the data collector connected to the detector, and processes
  • the results are displayed on the screen in real time, and if there are suspicious objects, they will be discovered by security personnel immediately.
  • the invention takes less than 4 seconds to collect the entire image, and the radiation dose received by the human body is about 0. Sv o
  • the multi-channel rapid security inspection system of the present invention realizes the detection of the flow of people and luggage by the same X-ray security inspection machine by adding a plurality of motion inspection channels on one X-ray security inspection machine, thereby reducing the number of security inspection personnel. Labor intensity.
  • the invention integrates the functions of the metal detector and the baggage security instrument into one machine, reduces the number of types of equipment used in the security inspection process, and reduces the number of personnel operating the equipment, and greatly reduces the detection time and improves the human body.
  • the efficiency of detection of human flow Since X-ray inspection is also applied to the human body, the detection efficiency of non-metallic dangerous goods carried by the human body is improved, and the number and labor intensity of the security personnel are reduced.
  • the present invention achieves automatic control of the dose of X-rays emitted by the X-ray generator through a pressure sensor, a signal amplifier, and an operational control system. Automatically adjusting the X-ray dose according to the weight of the person to be inspected can not only ensure the reduction of the body damage of the X-rays to be inspected when clear detection information is obtained, but also has the characteristics of high automation and accurate detection results.
  • the invention is applicable to public places with large traffic flow such as airports, customs, railways, ports, conferences, stations, etc.
  • the system can simultaneously replace metal security doors and channel type baggage security inspection machines, reduce the number and work intensity of security inspection personnel, and improve detection. Efficiency, with certain industrial applicability.
  • Figure 1 is a schematic diagram of the multi-channel rapid security inspection system with the baggage motion inspection channel as a single-layer structure
  • Figure 2 is a top view of the multi-channel rapid security inspection system with the baggage motion inspection channel as a single-layer structure
  • Figure 4 is a left-view view of the multi-channel rapid security inspection system with the double-layer structure of the baggage motion inspection channel
  • Figure 5 is a schematic diagram of the internal structure of the personnel motion inspection channel
  • Fig. 6 is a block diagram showing the principle of X-ray dose adjustment of the human motion inspection channel.
  • Radiation launching device 2. Radiation receiving device, 3. Personnel movement inspection channel, 31, base, 32, conveyor belt, 33, standing platform, 34, drive roller, 35, adjustment roller, 36, follower Roller, 37 support pad, 4, baggage inspection channel, 41, support, 42, conveyor belt, 5, support bar, 6, upper baggage inspection channel, 7, lower baggage inspection channel, 8, Pressure sensor, 9, signal processor, 10, operation control system, 1 1, X-ray dose controller, 12, X-ray generator.
  • Personnel movement inspection channel 31, base, 32, conveyor belt, 33, standing platform, 34, drive roller, 35, adjustment roller, 36, follower Roller, 37 support pad, 4, baggage inspection channel, 41, support, 42, conveyor belt, 5, support bar, 6, upper baggage inspection channel, 7, lower baggage inspection channel, 8, Pressure sensor, 9, signal processor, 10, operation control system, 1 1, X-ray dose controller, 12, X-ray generator.
  • the invention relates to a multi-channel rapid security inspection system, which integrates human flow security inspection and baggage security inspection, and the personnel movement inspection passage and the baggage movement inspection passage can adopt an integrated or split combination structure manner.
  • the split combination cyclic movement is taken as an example.
  • a multi-channel rapid security inspection system includes an operation control system and an X-ray security inspection machine, and the X-ray security inspection device includes a radiation emitting device 1 and a radiation receiving device 2, and the radiation emitting device 1 and Two radiation movement inspection passages 3 and a baggage movement inspection passage 4 which are arranged in parallel with each other are provided between the radiation receiving devices 2, and are respectively controlled by the operation control system.
  • the personnel motion inspection channel 3 and the baggage motion inspection channel 4 are split-type combination, that is, the personnel motion inspection channel 3 and the baggage motion inspection channel 4 are two independent structures, and the two are combined to form a motion.
  • the inspection channel, the height of the baggage inspection channel is greater than the height of the personnel movement inspection channel.
  • the ray emitting device 1 includes an X-ray generator, and an X-ray exit of the X-ray generator is provided with a ray collimating portion that forms a narrow fan-shaped light surface, and the ray collimating portion has a flat horn shape;
  • the radiation receiving device comprises a detector that receives an X-ray in the shape of an L-shape, the detector being connected to the data collector via a cable, the data collector being electrically connected to the operational control system.
  • the personnel motion inspection passage 3 includes a base 31 and a traction device located on the base.
  • the traction device includes a conveyor belt 32, a drive roller 34 for driving the belt movement, and a driven roller 36.
  • the drive roller can also be replaced by a geared motor plus a roller.
  • In the middle of the traction device there are two adjustment rollers 35 for adjusting the tightness of the belt. By adjusting the position of the adjustment roller 35, the adjustment of the belt tightness can be realized, so that the movement of the personnel movement inspection passage can be made.
  • the belt can ensure fast and unobstructed circulation movement at all times.
  • a support pad 37 is disposed below the upper portion of the conveyor belt and is slidably supported on the support pad.
  • the support pad is made of a metal plate, or a polytetrafluoroethylene plate is further added to the metal plate.
  • a standing platform 33 is arranged at both ends of the human motion inspection passage 3.
  • the person to be inspected first stands on the standing platform at the entrance of the passage when entering the personnel inspection passage, and then moves to the conveyor belt to advance with the conveyor belt. After the inspection, move from the conveyor belt to the standing platform at the exit of the tunnel and then to the ground.
  • the human motion inspection channel 3 is provided with a pressure sensor 8, and the output end of the pressure sensor 8 is electrically connected to the input end of the operation control system 9; the pressure sensor 8 and the operation control system 9 A signal processor 10 that amplifies an electrical signal of the pressure sensor 8 is electrically connected.
  • the pressure sensor is located at the standing platform 33 at the entrance of the person to be inspected, and the standing platform can function as an electronic scale after the pressure sensor is disposed.
  • the pressure sensor can also be placed underneath the conveyor belt 32 at the pressure sensor 8 where the person to be inspected moves with the conveyor belt into the entrance between the radiation emitting device 1 and the radiation receiving device 2.
  • the pressure sensor under the conveyor belt 32 senses different body weights and outputs an electrical signal characterizing the weight, and then transmits the electrical signal to the signal processor.
  • the amplification process is performed, and the processed data is controlled by the operation control system to control the X-ray dose controller, and the X-ray dose controller controls the X-ray generator to generate an X-ray dose value that matches the weight of the object to be detected. Reduce the X-ray damage to the human body on the basis of ensuring accurate test results.
  • the baggage movement inspection passage 4 is a single-layer structure including a support portion 41 on which a transport belt 42 is provided, and the transport belt 42 is disposed at the end of the support portion 41.
  • the motor of the head is driven to translate.
  • the motor is electrically connected to an operation control system, and the motor is a geared motor.
  • the translational mode of the transport belt is a cyclic movement.
  • a multi-channel rapid security inspection system has a two-layer structure, including a lower baggage inspection channel 7 and a fixed installation above the lower baggage inspection channel 7.
  • the upper baggage movement inspection passage 6 and the lower layer motion inspection passage 7 are fixedly connected by a support rod 5.
  • Upper baggage inspection channel 6 is used to detect valuables And small items
  • the lower baggage check channel 7 is used to detect large items.
  • the upper baggage inspection channel 6 and the lower baggage inspection channel 7 are identical in structure, and each includes a support portion 41.
  • the support portion 41 is provided with a transport belt 42.
  • the transport belt 42 is disposed on the support portion.
  • the 41-end motor is driven to translate.
  • the motor is electrically connected to an operation control system, and the motor is a geared motor.
  • the translational mode of the transport belt is a cyclic movement.
  • valuable or small items can be placed on the upper movement inspection passage, and large items can be placed on the lower movement inspection passage, which not only improves baggage inspection efficiency, but also ensures baggage safety. .

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  • High Energy & Nuclear Physics (AREA)
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Abstract

一种多通道快速安检系统，包括操作控制系统（10）与X射线安检机，X射线安检机包括射线发射装置（1）与射线接收装置（2），射线发射装置（1）与射线接收装置（2）的中间设有至少两个相互平行设置的运动检査通道，运动检査通道包括人员运动检査通道（3）和行李运动检査通道（4），分别由操作控制系统（10）进行控制。多通道快速安检系统实现了行李和人同时检测，减少了公共安全场所使用安检设备的种类，降低了安检人员的工作强度，提高检査效率和检测安全性。

Description

一种多通道快速安检系统 技术领域
本发明涉及一种 X射线安全检査系统，具体涉及一种多通道快速安检系统， 是集人员安检和行李安检于一体的快速安检系统。 背景技术
随着世界范围内恐怖袭击、 贩毒、 走私等犯罪活动的日益猖獗， 各国政府 已不断加强对各种公共场所的安全检査。在机场、车站、航运码头、会展中心、 政府机关、大型运动场及边检口岸等重要场所均分别配置有对人或行李进行安 全检测的安检设备。
目前主要采用金属探测器对人体携带的违禁品进行检测。 在机场、 海关、 铁路和港口等人流量大的场所， 每天每个安检员需要为数百名乘客进行安检， 每个安检员平均每天要弯腰 600次， 绕乘客转 300圈， 这极大增加了安检人员 的劳动强度。 同时， 虽然金属探测器对于人体携带的金属制品探测效果明显， 但对于人体携带的炸药、 毒品等危险品， 只能采用 X射线来检测。 现有的 X射 线人体安检系统不仅检测速度慢， 无法满足对大量人流进行检测的需求， 还因 X射线剂量大小无法根据人体特点进行精确控制， 易对人体造成伤害。
现有的安检设备无法对大量的人流和行李同时进行安全检査，所以需要配 备两套安检人员分别负责行李安检仪和金属探测器，这不仅造成了人员的浪费 和劳动强度的增强， 降低了检测的效率， 还会在人流量大时因待检人员和行李 分离造成混乱， 出现行李错拿现象。
发明内容
本发明旨在解决现有技术中安检人员的劳动强度大、对人的安全检测效率 低及安检人员人力资源浪费严重的问题， 而提供了一种多通道快速安检系统， 使原有的金属探测器和行李安检仪的功能集成到一种设备上，从而减少了安检 过程中使用设备的数量和安检人员的数量， 降低了安检人员的劳动强度， 提高 了检测效率和检测安全性。 为了达到上述目的，本发明提供一种多通道快速安检系统， 包括操作控制 系统与 X射线安检机， 所述 X射线安检机包括射线发射装置与射线接收装置， 所述射线发射装置与射线接收装置之间设有至少两个相互平行设置的运动检 査通道； 所述运动检査通道分别为人员运动检査通道和行李运动检査通道， 两 者由所述操作控制系统进行控制。所述人员运动检査通道和行李运动检査通道 为分体组合式， 且所述行李运动检査通道的高度大于人员运动检査通道的高 度。通过在射线发射装置与射线接收装置之间设置多个分体组合式的人员运动 检査通道和行李运动检査通道， 可根据实际需要进行组合， 从而能够大大提高 检测效率、 降低劳动强度。
所述射线发射装置包括 X射线发生器，所述 X射线发生器的 X射线出口处 设有将射线形成窄扇形光面的射线准直部， 所述射线准直部为扁喇叭状； 所述 射线接收装置包括接收 X射线的形状为 L形的探测器，所述探测器与数据采集 器通过线缆连接， 所述数据采集器与操作控制系统进行电连接。
进一步， 所述人员运动检査通道包括机座和位于机座上的牵引装置。所述 牵引装置包括传送带、 用于带动传送带运动的牵引主动辊筒和从动辊筒。所述 牵引装置的中部设有用于调节皮带松紧度的调节辊筒。所述传送带的上行部分 下方设支撑垫并依托在所述支撑垫上滑移。所述支撑垫采用金属板， 或在金属 板上再复加聚四氟乙烯板材。 聚四氟乙烯板材可以起润滑作用， 减小传送带在 支撑垫上滑动时的摩擦。传送带作为一个循环运动检査平台， 可依托在支撑垫 上进行滑移， 传送带能够直接载人， 不会因受重出现中部下沉。 在牵引装置的 作用下， 传送带在支撑垫上沿水平方向直线滑动。
所述人员运动检査通道两端头设有站立平台，待检人员在进入人员检査通 道时先站立在通道入口处的站立平台上， 再移动到传送带上随传送带前移。 检 査完毕后， 先从传送带移动到通道出口处的站立平台上， 再移动到地面上。 通 过在人员运动检査通道两端头设置站立平台，能够保证待检人员安全牢稳的进 入检査通道。
所述人员运动检査通道上设有压力传感器，所述压力传感器的输出端与操 作控制系统的输入端电连接；所述压力传感器与操作控制系统之间电连接有将 压力传感器的电信号进行放大的信号处理器。所述的压力传感器位于待检人员 进口处的站立平台， 站立平台设置压力传感器后可起到电子秤的作用。所述的 压力传感器还可放置在位于随传送带移动进入射线发射装置与射线接收装置 之间入口处的人员运动检査通道的下方。当待检人员随传送带移动到射线发射 装置与接收装置入口处时，人员运动检査通道下方的压力传感器将感受到不同 人体的重量并输出表征此重量的电信号，然后将此电信号传输到信号处理器中 进行放大处理， 处理后的数据通过操作控制系统来控制 X射线剂量控制器， X 射线剂量控制器控制 X射线发生器产生与待检测者重量相匹配的 X射线剂量 值。 在保证检测结果准确的基础上， 降低 X射线对人体造成伤害。
更进一步， 行李运动检査通道为单层或双层结构。所述单层结构的行李运 动检査通道包括支撑部， 所述支撑部上设有运送皮带， 所述运送皮带由设于支 撑部端头的主动辊筒进行驱动平移。所述主动辊筒的电机与操作控制系统电连 接。所述运送皮带的平移方式是循环移动。所述双层结构的行李运动检査通道 为上下叠加固定的两个单层结构的行李运动检査通道。
本发明中的所述运动检査通道包括至少两个，具体数量可根据人流量进行 组合。 一般两个即可， 一个人员运动检査通道专门用于检测人流， 另一个行李 运动检査通道专门用于检测行李。人员运动检査通道靠近射线接收装置， 行李 运动检査通道靠近射线发射装置。运动检査通道是由电机或辊筒带动皮带进行 循环运动来实现对人体或行李的不停检测。在检査过程中， 人员和行李分别站 在各自检査通道的皮带上，主动辊筒通过带动皮带而把人或行李平稳的运送过
X射线安检机。 为了便于检测， 射线发射装置和射线接收装置分别置于运动检 査通道中部的两侧。
本装置工作时， 先打开操作控制系统与计算机图像处理系统， 射线发射装 置与射线接收装置进行校准，操作控制系统驱动运动检査通道中的主动辊筒带 动皮带进行连续的循环运动，并且可以通过控制主动辊筒的电机转速来调节运 动检査通道的速度。 当人或行李进入运送皮带上时， 则随运送皮带一起运动。 此时操作控制系统收到一个触发信号，并根据触发信号来判断要检测的对象是 人体还是行李。 若为人体， 则根据人员运动检査通道上的压力传感器发送的信 号， 来确定 X射线发生器要发出射线的剂量。 若为行李， 则根据行李 X射线检 测标准来确定 X射线发生器要发出射线的剂量。射线发射装置根据操作控制系 统的射线剂量信号发射 X射线，射线接收装置接收透射过人体或行李的 X射线， 并转换为数字信号，通过与探测器连接的数据采集器把数字信号传输给计算机 图像处理系统进行处理， 处理的结果在屏幕上实时显示， 如果有可疑的物体即 时就会被安检人员发现。本发明采集整个图像用时小于 4秒， 人体所受辐射剂 量约 0. Sv o
工业实用性
本发明所述的一种多通道快速安检系统，通过在一台 X射线安检机上增加 多个运动检査通道， 实现了人流和行李利用同一台 X射线安检机进行检测， 减 小了安检人员的劳动强度。
首先， 本发明把金属探测器和行李安检仪的功能集成到一款机器上， 减少 了安检过程使用设备种类的数量， 也减少了操作设备的人员， 同时大幅减少了 对人体的检测时间， 提高了对人流的检测效率。 由于对人体也采用了 X射线检 测， 提高了对人体携带的非金属危险品的检测效率， 并减少了安检人员的数量 与劳动强度。其次， 由于 X射线发生器的 X射线出口处设有将射线形成窄扇形 光面的射线准直部， 有效的防止 X射线泄露， 在检査过程中， 发射的 X射线需 先经过射线准直部， 达到减小了被测人或物所受的不必要的辐射剂量。 再次， 本发明通过压力传感器、信号放大器与操作控制系统，实现了 X射线发生器发 射 X射线的剂量的自动控制。 根据待检人员的体重来自动调节 X射线剂量， 不仅可保证在得到清晰的检测信息的情况下减少 X射线对待检人员的身体伤 害， 还具有自动化程度高、 检测结果准确等特点。
本发明适用于机场、 海关、 铁路、 港口、 会议、 车站等人流量大的公共场 所， 本系统可同时取代金属安检门和通道式行李安检机， 减少安检工作人员的 数量和工作强度， 提高检测效率， 具有一定的工业实用性。
附图说明
图 1为行李运动检査通道为单层结构的多通道快速安检系统结构示意图； 图 2为行李运动检査通道为单层结构的多通道快速安检系统俯视图； 图 3为行李运动检査通道为双层结构的多通道快速安检系统结构示意图； 图 4为行李运动检査通道为双层结构的多通道快速安检系统左视图； 图 5为人员运动检査通道内部结构示意图； 图 6为人员运动检査通道 X射线剂量调节原理框图。
图中：
1、 射线发射装置， 2、 射线接收装置， 3、 人员运动检査通道， 31、 机座， 32、 传送带， 33、 站立平台， 34、 主动辊筒， 35、 调节辊筒， 36、 从动辊筒， 37支撑垫， 4、 行李运动检査通道， 41、 支撑部， 42、 运送皮带， 5、 支撑杆， 6、 上层行李运动检査通道， 7、 下层行李运动检査通道， 8、 压力传感器， 9、 信号处理器， 10、 操作控制系统， 1 1、 X射线剂量控制器， 12、 X射线发生器。 具体实施方式
现结合附图及实施例对发明作进一步详细说明。本发明涉及的是一种多通 道快速安检系统， 该系统集人流安检及行李安检于一体， 人员运动检査通道和 行李运动检査通道可以采用一体式或分体组合式结构方式，在此以分体组合式 循环移动为例。
实施例 1
如图 1-2所示的一种多通道快速安检系统， 包括操作控制系统与 X射线安 检机， 所述 X射线安检机包括射线发射装置 1与射线接收装置 2， 所述射线发 射装置 1与射线接收装置 2之间设有两个相互平行设置的人员运动检査通道 3 和行李运动检査通道 4， 两者分别由操作控制系统进行控制。 所述人员运动检 査通道 3和行李运动检査通道 4为分体组合式， 即人员运动检査通道 3和行李 运动检査通道 4为两个各自独立的结构， 两者拼合在一起构成运动检査通道， 所述行李运动检査通道的高度大于人员运动检査通道的高度。
所述射线发射装置 1包括 X射线发生器，所述 X射线发生器的 X射线出口 处设有将射线形成窄扇形光面的射线准直部， 所述射线准直部为扁喇叭状； 所 述射线接收装置包括接收 X射线的形状为 L形的探测器，所述探测器与数据采 集器通过线缆连接， 所述数据采集器与操作控制系统进行电连接。
进一步， 如图 2和图 5所示， 人员运动检査通道 3包括机座 31和位于机 座上的牵引装置。所述牵引装置包括传送带 32、用于带动传送带运动的主动辊 筒 34和从动辊筒 36。 主动辊筒也可采用由减速电机加辊筒的方式来替代。 所 述牵引装置的中部设有 2个用于调节皮带松紧度的调节辊筒 35。通过调整调节 辊筒 35的位置能够实现皮带松紧度的调节， 从而可使人员运动检査通道的传 送带能时刻保证快速无障碍循环移动。所述传送带的上行部分下方设支撑垫 37 并依托在所述支撑垫上滑移。所述支撑垫采用金属板， 或在金属板上再复加聚 四氟乙烯板材。
所述人员运动检査通道 3两端头设有站立平台 33，待检人员在进入人员检 査通道时先站立在通道入口处的站立平台上， 再移动到传送带上随传送带前 移。 检査完毕后， 先从传送带移动到通道出口处的站立平台上， 再移动到地面 上。通过在人员运动检査通道 3两端头设置站立平台 33，能够保证待检人员安 全牢稳的进入检査通道。
如图 6所示， 所述人员运动检査通道 3上设有压力传感器 8， 所述压力传 感器 8的输出端与操作控制系统 9的输入端电连接；所述压力传感器 8与操作 控制系统 9之间电连接有将压力传感器 8的电信号进行放大的信号处理器 10。 所述的压力传感器位于待检人员进口处的站立平台 33，站立平台设置压力传感 器后可起到电子秤的作用。压力传感器也可放置在位于所述的压力传感器 8位 于待检人员随传送带移动进入射线发射装置 1与射线接收装置 2之间入口处的 传送带 32的下方。当待检人员随传送带 32移动到射线发射装置与接收装置入 口处时， 传送带 32下方的压力传感器感受到的不同人体重量并输出表征此重 量的电信号， 然后将此电信号传输到信号处理器中进行放大处理， 处理后的数 据通过操作控制系统来控制 X射线剂量控制器， X射线剂量控制器控制 X射线 发生器产生与待检测者重量相匹配的 X射线剂量值。在保证检测结果准确的基 础上， 降低 X射线对人体造成伤害。
更进一步， 如图 1-2所示， 行李运动检査通道 4为单层结构， 包括支撑部 41，所述支撑部上设有运送皮带 42，所述运送皮带 42由设于支撑部 41端头的 电机进行驱动平移。 所述电机与操作控制系统电连接， 所述电机为减速电机。 所述运送皮带的平移方式是循环移动。
实施例 2
如图 3-4所示的一种多通道快速安检系统，所述的行李运动检査通道为双 层结构， 包括下层行李运动检査通道 7和固定安装在下层行李运动检査通道 7 上方的上层运动检査通道 6。 所述上层行李运动检査通道 6和下层运动检査通 道 7之间通过支撑杆 5固定相连。上层行李运动检査通道 6用于检测贵重物品 和小件物品， 下层行李运动检査通道 7用于检测大件物品。所述的上层行李运 动检査通道 6和下层行李运动检査通道 7结构相同，都是包括支撑部 41，所述 支撑部 41上设有运送皮带 42， 所述运送皮带 42由设于支撑部 41端头的电机 进行驱动平移。 所述电机与操作控制系统电连接， 所述电机为减速电机。 所述 运送皮带的平移方式是循环移动。在进行行李检査时， 可以将贵重或小件物品 放到上层运动检査通道上， 将大件物品放到下层运动检査通道上， 这样不仅可 以提高行李检査效率， 还能够保证行李安全。
其它同实施例 1 。
以上所述实施方式仅为本发明的优选实施例， 本发明不限于上述实施例， 对于本领域一般技术人员而言，在不背离本发明原理的前提下对它所做的任何 显而易见的改动， 都属于本发明的构思和所附权利要求的保护范围。

Claims

权 利 要 求 书
1、 一种多通道快速安检系统， 包括操作控制系统与 X射线安检机，所述 X 射线安检机包括射线发射装置与射线接收装置， 其特征在于： 所述射线发射装 置与射线接收装置之间设有至少两个相互平行设置的运动检査通道；所述运动 检査通道分别为人员运动检査通道和行李运动检査通道，两者由所述操作控制 系统进行控制。
2、 根据权利要求 1所述的一种多通道快速安检系统， 其特征在于： 所述 人员运动检査通道包括机座和位于机座上的牵引装置；所述牵引装置包括传送 带、 用于带动传送带运动的主动辊筒和从动辊筒； 所述传送带的上行部分下方 设支撑垫并依托在所述支撑垫上滑移。
3、 根据权利要求 1所述的一种多通道快速安检系统， 其特征在于： 所述 行李运动检査通道包括支撑部， 所述支撑部上设有运送皮带， 所述运送皮带由 设于支撑部端头的主动辊筒驱动平移。
4、 根据权利要求 1所述的一种多通道快速安检系统， 其特征在于： 所述 人员运动检査通道和行李运动检査通道为分体组合式，且所述行李运动检査通 道的高度大于人员运动检査通道的高度， 行李运动检査通道为单层或双层结 构。
5、 根据权利要求 1所述的一种多通道快速安检系统， 其特征在于 ： 所述 射线发射装置包括 X射线发生器，所述 X射线发生器的 X射线出口处设有将射 线形成窄扇形光面的射线准直部， 所述射线准直部为扁喇叭状； 所述射线接收 装置包括接收 X射线的形状为 L形的探测器，所述探测器与数据采集器通过线 缆连接， 所述数据采集器与操作控制系统进行电连接。
6、 根据权利要求 1所述的一种多通道快速安检系统， 其特征在于： 所述 人员运动检査通道上设有压力传感器，所述压力传感器的输出端与操作控制系 统的输入端电连接；所述压力传感器与操作控制系统之间电连接有将压力传感 器的电信号进行放大的信号处理器。
7、 根据权利要求 2所述的一种多通道快速安检系统， 其特征在于： 所述 人员运动检査通道两端头设有站立平台。
8、 根据权利要求 2所述的一种多通道快速安检系统， 其特征在于： 所述 牵引装置的中部设有用于调节皮带松紧度的调节辊筒， 所述支撑垫采用金属 板， 或在金属板上再复加聚四氟乙烯板材。
9、 根据权利要求 2或 3所述的一种多通道快速安检系统， 其特征在于： 所述主动辊筒的电机与操作控制系统电连接。
10、 根据权利要求 3所述的一种多通道快速安检系统， 其特征在于： 所述 运送皮带的平移方式是循环移动。
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