WO2019128847A1 - 车辆检测系统 - Google Patents

车辆检测系统 Download PDF

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Publication number
WO2019128847A1
WO2019128847A1 PCT/CN2018/122440 CN2018122440W WO2019128847A1 WO 2019128847 A1 WO2019128847 A1 WO 2019128847A1 CN 2018122440 W CN2018122440 W CN 2018122440W WO 2019128847 A1 WO2019128847 A1 WO 2019128847A1
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WO
WIPO (PCT)
Prior art keywords
disposed
transverse
vertical
detection system
detector
Prior art date
Application number
PCT/CN2018/122440
Other languages
English (en)
French (fr)
Inventor
李营
李荐民
曹金国
马媛
李玉兰
何远
李元景
孟辉
陈志强
郭以伟
张丽
Original Assignee
清华大学
同方威视技术股份有限公司
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Publication date
Application filed by 清华大学, 同方威视技术股份有限公司 filed Critical 清华大学
Publication of WO2019128847A1 publication Critical patent/WO2019128847A1/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
    • G01V5/226—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays using tomography
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/50—Context or environment of the image
    • G06V20/59—Context or environment of the image inside of a vehicle, e.g. relating to seat occupancy, driver state or inner lighting conditions

Definitions

  • the present disclosure relates to a vehicle detection system.
  • vehicle detection systems have been widely used in airports, stations, docks, etc., through the radiation imaging technology to detect the interior of the vehicle, to obtain internal image of the vehicle, in order to check whether there are contraband.
  • the vehicle detection system using top view imaging is widely used.
  • the existing top view imaging vehicle detection system generally includes a radiation source and a horizontal detector arm buried in the ground.
  • the radiation source is disposed above the transverse detector arm and can emit rays such as X-rays or ⁇ -rays that can penetrate the vehicle. .
  • a plurality of detectors are disposed on the lateral detector arm, and the plurality of detectors may be arranged in a centripetal manner such that the detectors are disposed toward the radiation source and arranged in an arc shape.
  • the detector can receive radiation from the radiation source to form an image of the interior of the vehicle.
  • the existing transverse detector arm in order to meet the requirements of the centripetal arrangement of the detector, a plurality of detectors are arranged in an arc shape, so that the thickness of the lateral detector arm is large, and the vehicle, especially a small vehicle, is difficult to pass, so it is necessary to A large amount of civil work was carried out at the installation site to form a ground trough for embedding the transverse detector arm, and the transverse detector arm was buried underground.
  • the purpose of the present disclosure is to overcome the deficiencies of the prior art described above and to provide a vehicle detection system that is advantageous for reducing or even eliminating civil engineering work.
  • a vehicle detection system includes a transverse detector arm, two vertical detector arms, a radiation source, a plurality of lateral detectors, and a plurality of vertical detectors.
  • the transverse detector arm can be placed on the ground. Two of the vertical detector arms are disposed at both ends of the transverse detector arm.
  • the radiation source is located above the transverse detector arm.
  • a plurality of the transverse detectors are disposed within the transverse detector arm and are tiled along the length of the transverse detector arm for receiving radiation from the radiation source.
  • a plurality of the vertical detectors are symmetrically disposed on the two vertical detector arms, and each of the vertical detectors is disposed toward a center point of the radiation source for receiving radiation emitted by the radiation source.
  • the transverse detector arm is laid on the ground.
  • the median plane of the transverse detector arm passes through a center point of the radiation source.
  • the vertical lines of each of the vertical detectors intersect at a center point of the radiation source.
  • the transverse detector arm includes a housing and a mounting plate.
  • the outer casing has a tubular structure and has a first end and a second end that are continuous therethrough.
  • the mounting plate is horizontally disposed in the outer casing and can be moved in or out along a length direction of the outer casing, and the transverse detector is disposed on the mounting plate.
  • the lateral detector arm further includes a first end cover and a second end cover.
  • the first end cap is detachably coupled to the first end.
  • the second end cap is detachably coupled to the second end.
  • the lateral detector arm further includes a first sealing ring and a second sealing ring.
  • the first sealing ring is disposed at an end surface of the first end or a first end cover for sealingly connecting the first end cover with the first end.
  • the second sealing ring is disposed on the end surface of the second end or the second end cover for sealingly connecting the second end cover with the second end.
  • the outer casing includes a lower casing and an upper casing having a U-shaped cross section, and the upper casing is oppositely coupled to the lower casing and sealedly connected.
  • the outer casing is provided with a plurality of outwardly extending connecting ears, and each of the connecting ears is provided with a mounting hole.
  • the mounting board includes a first mounting component and a second mounting component.
  • the first mounting component is disposed within the housing and is movable into or out of the first end.
  • the second mounting assembly is disposed within the housing and opposite the first mounting assembly and is movable into or out of the second end.
  • the first mounting component and the second mounting component are each provided with the transverse detector.
  • the first mounting assembly includes a first bottom plate and a first support detachably coupled to the first bottom plate;
  • the second mounting assembly includes a second bottom plate and is detachably coupled to a second pallet on the second bottom plate; the first pallet and the second pallet are each provided with the transverse detector.
  • the mounting board includes a first mounting component and a second mounting component.
  • the first mounting component is disposed in the outer casing and can be moved in or out from the first end, and the first end cover is coupled to one end of the first mounting component.
  • the second mounting component is disposed in the outer casing and is opposite to the first mounting component and can be moved in or out from the second end, and the second end cover is connected to the second mounting component One end.
  • the first mounting component and the second mounting component are each provided with the transverse detector.
  • the present disclosure has at least one of the following advantages and positive effects:
  • a plurality of transverse detectors can be laid flat in the transverse detector arm, which can reduce the space occupied in the vertical direction compared to the conventional centripetal arrangement, and is advantageous for reducing the lateral detector.
  • the thickness of the arm thereby reducing or even eliminating the amount of civil work required to embed the transverse detector arm.
  • the transverse detectors in the transverse detector arms are tiled, and the vertical detectors are distributed in the vertical direction on the vertical detector arms, and are all arranged toward the center of the radiation source, that is, the centripetal arrangement, the plurality of transverse detectors and A plurality of vertical detectors cooperate to form a clear image of the vehicle to be inspected and its internal image, which can ensure the reliability of vehicle detection.
  • FIG. 1 is a schematic diagram of an embodiment of a vehicle detection system of the present disclosure
  • FIG. 2 is a front elevational view of an embodiment of a transverse detector arm of the vehicle detection system of the present disclosure.
  • Figure 3 is a plan view of the transverse detector arm of Figure 2;
  • Figure 4 is a cross-sectional view taken along line A-A of Figure 2;
  • Figure 5 is a cross-sectional view taken along line B-B of Figure 2;
  • Figure 6 is an enlarged view of a portion C of Figure 4.
  • Fig. 7 is an enlarged view of a portion D in Fig. 4;
  • a plurality of transverse detectors 4 are laid flat in the transverse detector arm 1 and arranged in a straight line instead of an arc. It has been verified that the arrangement of such a transverse detector 4 in the transverse detector arm 1 is sufficient to achieve a detection effect.
  • the thickness of the lateral detector arm 1 in the vertical direction is thin, so that the vehicle to be detected can easily pass the transverse detector arm 1.
  • the vehicle detection system may include a lateral detector arm 1, a vertical detector arm 2, a radiation source 3, a lateral detector 4, and a vertical detector 5.
  • the transverse detector arm 1 refers to an arm that is disposed on the ground for mounting the detector;
  • the vertical detector arm 2 refers to an arm that is close to the ground at one end and away from the ground at the other end, and is used for mounting the arm of the detector.
  • the vertical detector arm 2 can be substantially perpendicular to the transverse detector arm 1.
  • the transverse detector 4 refers to a detector mounted on the transverse detector arm 1
  • the vertical detector 5 refers to a detector mounted on the vertical detector arm 2.
  • the detector may have an existing structure.
  • the existing detector has a mounting surface that can be mounted on a detector arm.
  • the existing detector has a substantially rectangular parallelepiped shape, and one surface is a mounting surface.
  • a plurality of transverse detectors 4 are laid flat in the transverse detector arm 1, that is, between the mounting faces of all the transverse detectors 4 and the mounting faces in the transverse detector arms 1.
  • the angle is 0 degrees regardless of the installation error.
  • the transverse detector arm 1 is horizontally installed, that is, the angle between the mounting surface and the horizontal plane in the transverse detector arm 1 is 0 degrees, all the transverse detectors 4 and The angle between the horizontal planes is also 0 degrees. Therefore, the thickness W of the lateral detector arm 1 in the present disclosure is thinner in the vertical direction, the transverse detector arm 1 is laid on the ground surface, and the vehicle to be inspected can pass easily; in addition, a small amount of civil work can be dug.
  • the shallow groove, the horizontal detector arm 1 and related components are buried flush with the ground surface or buried below the ground surface, and the vehicle to be inspected can pass without barrier.
  • the transverse detector arm 1 can include a housing 11 and a mounting plate, wherein:
  • the outer casing 11 may be a tubular structure that is pierced at both ends, and the through ends are respectively a first end 115 and a second end 116, and the mounting plate can be accommodated in the outer casing 11.
  • the shape of the cross section of the outer casing 11 may be rectangular or circular, but not limited thereto, and may be trapezoidal or other shapes which are perpendicular to the axial direction of the outer casing 11.
  • the outer casing 11 can be partially embedded in the ground or directly attached to the ground surface from which the vehicle 8 can pass.
  • the outer casing 11 may be a one-piece tubular structure or a spliced tubular structure.
  • the outer casing 11 may include a lower casing 111 and an upper casing 112.
  • the lower casing 111 may have a U-shaped cross section with its opening facing upward.
  • the cross-section of the upper casing 112 may also be U-shaped, and the opening direction is opposite to that of the lower casing 111 so as to be capped on the lower casing 111, and the casing 11 is enclosed with the lower casing 111.
  • the upper casing 112 may be sealingly connected to the lower casing 111 by welding, snapping or by bolting or the like.
  • the lower casing 111 has a U-shaped cross section, and the upper casing 112 may be a flat plate structure. After the upper casing 112 is disposed on the lower casing 111, the lower casing may also pass through the lower casing. 111 encloses a tubular structure, namely the outer casing 11.
  • the lower case 111 and the upper case 112 may be other structures as long as they can be spliced into the outer casing 11 of the tubular structure, and will not be enumerated here.
  • the upper housing 112 may be provided with a connecting ear 1121, and the connecting ear 1121 may extend outward, that is, away from the upper housing 112.
  • the number of the connecting ears 1121 may be plural and symmetrically distributed on both sides of the upper casing 112.
  • the connecting ear 1121 and the upper housing 112 may be of a unitary structure, and may also be fixedly connected by welding, riveting or by screw connection.
  • the connecting ear 1121 may be provided with a mounting hole, which may be a threaded hole or a light hole, and the connecting ear 1121 may be fixedly connected to the above ground by a screw connection such as a foot screw.
  • the connecting lug 1121 can also be disposed on the lower casing 111 as long as it can be used to fix the outer casing 11 to the ground.
  • the mounting plate may be a flat plate structure, which may be disposed in the outer casing 11 and movable into or out of the outer casing 11 along the length of the outer casing 11, and the horizontal detector 4 is laid flat on the mounting plate, for example, horizontal detection.
  • the device 4 has a rectangular parallelepiped structure, and each of the lateral detectors 4 has a surface attached to the upper surface of the mounting plate and fixedly connected.
  • the number of mounting plates may be one, which may be disposed in the outer casing 11 and may enter/exit the outer casing 11 from the first end 115 or the second end 116 of the outer casing 11 to facilitate the lateral detector 4 on the mounting plate. Overhaul.
  • the number of mounting plates may also be two, including the first mounting component 12 and the second mounting component 13, wherein:
  • a plurality of transverse detectors 4 can be mounted on the first mounting assembly 12 and can be moved into or out of the housing 11 from the first end 115 of the housing 11.
  • the first mounting component 12 can include a first bottom plate 121 and a first support plate 122.
  • the first bottom plate 121 can be a flat plate structure, or a U-shaped structure or other structure.
  • the first tray 122 can be disposed on the first bottom plate 121 and can be detachably connected to the first bottom plate 121 by snapping or by a screw connection or the like.
  • the transverse detector 4 can be laid flat on the first pallet 122 and fixed to the first pallet 122 by snapping or by bolting or the like.
  • the first mounting component 12 can also be just a flat panel.
  • a plurality of transverse detectors 4 can also be mounted on the second mounting assembly 13 and can be moved into or out of the housing 11 from the second end 116 of the housing 11.
  • the second mounting assembly 13 can include a second base plate 131 and can be detachable
  • the second tray 132 is connected to the second tray 131.
  • the second tray 132 can also be laid on the second tray 132.
  • the specific structure of the second mounting assembly 13 can be referred to the first mounting assembly 12 described above. This is not detailed.
  • the second mounting component 13 can also be a flat panel.
  • the end of the second mounting assembly 13 within the outer casing 11 can be opposite the end of the first mounting assembly 12 within the outer casing 11 to prevent the first mounting assembly 12 and the second mounting assembly 13 from overlapping.
  • the lengths of the first mounting component 12 and the second mounting component 13 may each be equal to or less than half of the longitudinal length of the outer casing 11 so that the first mounting component 12 and the second mounting component 13 can be accommodated in the outer casing 11 at the same time.
  • the transverse detector arm 1 may further include a first end cover 14 and a second end cover 15, wherein:
  • the first end cover 14 can be a plate-like structure, and is sized to cover the first end 115, and can be detachably sealed to the first end 115 of the outer casing 11 by snapping or by bolting or the like.
  • the first end 115 is covered to prevent moisture or debris from entering the outer casing 11 from the first end 115, which is beneficial for protecting the transverse detector 4 in the outer casing 11; when the lateral detector 4 needs to be inspected, the first end cover can be 14 is separated from the first end 115 for removal of the first mounting assembly 12 and the detector thereon.
  • the second end cap 15 can be detachably sealed to the second end 116 of the outer casing 11 to cover the second end 116 of the outer casing 11 from moisture or debris from entering the outer casing 11 from the second end 116.
  • the second end cover 15 reference may be made to the manner in which the first end cover 14 and the first end cover 14 are connected to the first end 115, which will not be described in detail herein.
  • the transverse detector arm 1 may further include a first sealing ring 16 and a second sealing ring 17, wherein:
  • the first sealing ring 16 can be an annular structure, and can be disposed on the end surface of the first end 115 and can be fixedly connected to the first end 115 by bonding or snapping.
  • the one end cover 14 is engageable with the first sealing ring 16, so that the sealing effect of the first end cover 14 and the first end 115 can be improved by the first sealing ring 16, further preventing impurities or moisture from entering the outer casing 11.
  • the first sealing ring 16 can also be disposed on the first end cap 14 as long as the first end cap 14 can be sealed from the first end 115.
  • the second sealing ring 17 can be disposed on the end surface of the second end 116 .
  • the structure and installation manner of the second sealing ring 17 can refer to the first sealing ring 16 , which will not be described in detail herein.
  • the sealing effect of the second end cover 15 and the second end 116 can be improved by the second seal ring 17, further preventing foreign matter or moisture from entering the outer casing 11.
  • the second sealing ring 17 can also be disposed on the second end cover 15 as long as the second end cover 15 can be sealed with the second end 116.
  • the number of vertical detector arms 2 may be two, and two vertical detector arms 2 may be vertically disposed at both ends of the lateral detector arm 1 to form a A passage for the passage of the vehicle 8.
  • the two vertical detector arms 2 may be fixed to the upper surface of the transverse detector arm 1 by welding, snapping or bolting, or may be fixed to the ground.
  • the shape of the cross section of each of the vertical detector arms 2 may be rectangular, circular or trapezoidal, etc., and will not be enumerated here.
  • the radiation source 3 can be an X-radiation source, a gamma-radiation source, or other radiation device that emits radiation that is permeable to the vehicle 8.
  • the radiation source 3 can be arranged above the transverse detector arm 1 and above the channel between the two vertical detector arms 2, and can emit radiation downwards, and the two vertical detector arms 2 can be symmetric about the radiation source 3
  • the center point of the radiation source 3 is located on the mid-plane of the transverse detector arm 1.
  • a top beam 6 parallel to the transverse detector arm 1 can be mounted on the top of the two vertical detector arms 2, and the top beam 6 and the vertical detector arm 2 can be welded or bolted, etc.
  • the method is fixedly connected, and may also be a one-piece structure, so that it can form a gantry with the vertical detector arm 2.
  • the radiation source 3 can be fixed to the middle of the top beam 6 by welding, snapping or bolting, and can emit radiation downward.
  • the radiation source 3 can also be placed over the channel by a dedicated bracket.
  • the transverse detector 4 is matched to the radiation source 3 and receives radiation from the radiation source 3 to form a detection area for detecting the vehicle 8 entering the detection area and forming the vehicle 8.
  • the internal image for example, if the radiation source 3 is an X-radiation source, the transverse detector 4 is an X-ray detector; if the radiation source 3 is a gamma radiation source, the transverse detector 4 is a gamma-ray detector.
  • the specific structure and working principle of the horizontal detector 4 can be referred to the existing detector, and will not be described in detail herein.
  • the number of the horizontal detectors 4 may be plural, and the specific number is not particularly limited herein.
  • the plurality of transverse detectors 4 are each fixed to the mounting plate of the transverse detector arm 1 by welding, snapping or bolting.
  • a plurality of lateral detectors 4 may be respectively disposed on the first mounting assembly 12 and the second mounting assembly 13 and may be fixed by screws, when the first mounting assembly 12 and the second mounting assembly 13 are located in the housing 11.
  • the individual transverse detectors 4 can be laid flat along the length of the outer casing 11, i.e. horizontally, without tilting.
  • the tiling method is advantageous for reducing the thickness of the transverse detector arm 1, and can reduce or even avoid the civil work of installing the transverse detector arm 1.
  • each of the transverse detectors 4 can form a detection area with the radiation source 3, and the detection area formed by each of the horizontal detectors 4 can form a continuous sub-detection surface through which the passing vehicle 8 can be Detection.
  • the type of the vertical detector 5 can be referred to the above-mentioned transverse detector 4, which can also receive the radiation of the radiation source 3, which will not be described in detail herein.
  • the number of the vertical detectors 5 may be plural, and the plurality of vertical detectors 5 may be respectively disposed on the two vertical detector arms 2 and may be distributed in a vertical direction, and each of the vertical detectors 5 may be coupled,
  • the vertical detector arm 2 is fixedly connected by welding or by bolt connection, and the vertical detectors 5 on the two vertical detector arms 2 can be symmetrically arranged.
  • Each of the vertical detectors 5 is disposed toward a center point of the radiation source 3, that is, a centripetal arrangement, and the vertical lines of the respective vertical detectors 5 may intersect at a center point of the radiation source 3 in order to receive the radiation emitted by the radiation source 3.
  • Each vertical detector 5 can form a detection area with the radiation source 3, and each detection area formed by the vertical detector 5 of the same vertical detector arm 2 can form a continuous sub-detection surface; the two vertical detector arms 2
  • the sub-detection surface formed by the vertical detector 5 may be located on both sides of the sub-detection surface formed by the lateral detector 4, and together form a continuous detection surface, so that the vehicle 8 passing through the passage can be detected by the detection to obtain An image of the interior of the vehicle 8.
  • the vertical detectors 5 are all arranged centripetal toward the center point of the radiation source 3, the vertical detector 5 is inclined with respect to the horizontal plane, so that the area occupied by the vertical detector 5 in the horizontal direction is reduced, which is advantageous for reducing the vertical detector arm. 2 thickness to save material and reduce cost. At the same time, since the continuous detection surface can avoid the detection dead zone that cannot be scanned, the reliability of the detection result is improved.
  • the above vehicle detection system may further include a joint 7 which may be disposed on the first end cover 14 or the second end cover 15 to lead the lateral detector 4 And the lead of the vertical detector 5.
  • the vehicle detection system may further include a control device display device, and both the lateral detector 4 and the vertical detector 5 may be connected to the control device to process the collected signals through the control device and control the display device. An image of the inside of the vehicle 8 is displayed.
  • the vehicle detection system may also include other devices, and may refer to an existing vehicle detection system, which will not be described in detail herein.
  • the transverse detectors 4 in the transverse detector arm 1 are laid, and the vertical detectors 5 are distributed in the vertical direction on the vertical detector arm 2, and are both disposed toward the center point of the radiation source 3. , that is, a centripetal arrangement; at the time of detection, the vehicle 8 can pass from the transverse detector arm 1 and pass through the passage between the two vertical detector arms 2, and the plurality of transverse detectors 4 and the plurality of vertical detectors 5 cooperate.
  • the formation of a clear vehicle 8 to be inspected and its internal image can ensure the reliability of the detection of the vehicle 8.
  • a plurality of transverse detectors 4 can be laid flat on the transverse detector arm 1 along the length of the transverse detector arm 1. Compared with the manner of centripetal distribution, the space occupied in the vertical direction can be reduced, which is advantageous for reducing the horizontal
  • the thickness and weight of the detector arm 1 reduces or even eliminates the amount of civil work required to embed the transverse detector arm 1.

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Abstract

一种车辆检测系统，包括横探测器臂(1)、两个竖探测器臂(2)、辐射源(3)、多个横探测器(4)和多个竖探测器(5)。横探测器臂(1)能设于地面。两个竖探测器臂(2)设于横探测器臂(1)两端部。辐射源(3)位于横探测器臂(1)上方。多个横探测器(4)设于横探测器臂(1)内并沿横探测器臂(1)的长度方向平铺，用于接收辐射源(3)发出的射线。多个竖探测器(5)对称设于两个竖探测器臂(2)上，且每个竖探测器(5)朝向辐射源(3)的中心点方向设置，用于接收辐射源(3)发出的射线。该检测系统有利于减少甚至省去土建工作。

Description

车辆检测系统
交叉引用
本公开要求于2017年12月27日提交的申请号为201711444399.2、名称为“车辆检测系统”的中国专利申请的优先权，该中国专利申请的全部内容通过引用全部并入本文。
技术领域
本公开涉及一种车辆检测系统。
背景技术
目前，车辆检测系统已经广泛的应用于机场、车站、码头等场所，通过辐射成像技术对车辆内部进行检测，获取车辆内部图像，以便检查是否存在违禁品。现有车辆检查系统中，采用顶视成像的车辆检测系统应用较为广泛。
现有的顶视成像方式的车辆检测系统通常包括辐射源和埋入地下的横探测器臂，辐射源设于横探测器臂的上方并可发出X射线或γ射线等能穿透车辆的射线。横探测器臂上设有多个探测器，且多个探测器可采用向心的排布方式，使得探测器朝向辐射源设置且排列成弧形。当车辆通过横探测器臂过程中，探测器可接收辐射源的射线，以形成车辆内部图像。
现有的横探测器臂中，为了满足探测器向心排布的要求，多个探测器排列成弧形，从而横探测器臂的厚度较大，车辆尤其是小型车辆难以通过，故需要在安装现场进行大量的土建工作，以形成用于埋设横探测器臂的地槽，将横探测器臂埋入地下。
在所述背景技术部分公开的上述信息仅用于加强对本公开的背景的理解，因此它可以包括不构成对本领域普通技术人员已知的现有技术的信息。
发明内容
本公开的目的在于克服上述现有技术的不足，提供一种有利于减少甚至省去土建工作的车辆检测系统。
本公开的额外方面和优点将部分地在下面的描述中阐述，并且部分地将从描述中变得显然，或者可以通过本公开的实践而习得。
根据本公开的一个方面，一种车辆检测系统，包括横探测器臂、两个竖探测器臂、辐射源、多个横探测器和多个竖探测器。所述横探测器臂能设于地面。两个所述竖探测器臂设于所述横探测器臂两端部。所述辐射源位于所述横探测器臂上方。多个所述横探测器设于所述横探测器臂内并沿所述横探测器臂的长度方向平铺，用于接收所述辐射源 发出的射线。多个所述竖探测器对称设于两个所述竖探测器臂上，且每个所述竖探测器朝向所述辐射源的中心点方向设置，用于接收所述辐射源发出的射线。
根据本公开的一实施方式，所述横探测器臂铺设于地面。
根据本公开的一实施方式，所述横探测器臂的中垂面通过所述辐射源的中心点。
根据本公开的一实施方式，各个所述竖探测器的中垂线相交于所述辐射源的中心点。
根据本公开的一实施方式，所述横探测器臂包括外壳和安装板。所述外壳为管状结构且具有贯通的第一端和第二端。所述安装板水平设于所述外壳内，并能沿所述外壳的长度方向移入或移出，所述横探测器设于所述安装板上。
根据本公开的一实施方式，所述横探测器臂还包括第一端盖和第二端盖。所述第一端盖可拆卸地连接于所述第一端。所述第二端盖可拆卸地连接于所述第二端。
根据本公开的一实施方式，所述横探测器臂还包括第一密封圈和第二密封圈。所述第一密封圈设于所述第一端的端面或第一端盖，用于使所述第一端盖与所述第一端密封连接。所述第二密封圈设于所述第二端的端面或第二端盖，用于使所述第二端盖与所述第二端密封连接。
根据本公开的一实施方式，所述外壳包括横截面均为U形的下壳体和上壳体，所述上壳体与所述下壳体相对扣合并密封连接。
根据本公开的一实施方式，所述外壳设有多个向外延伸的连接耳，各所述连接耳均设有安装孔。
根据本公开的一实施方式，所述安装板包括第一安装组件和第二安装组件。所述第一安装组件设于所述外壳内，并能从所述第一端移入或移出。所述第二安装组件设于所述外壳内且与所述第一安装组件正对，并能从所述第二端移入或移出。所述第一安装组件和所述第二安装组件均设有所述横探测器。
根据本公开的一实施方式，所述第一安装组件包括第一底板和可拆卸连接于所述第一底板上的第一托板；所述第二安装组件包括第二底板和可拆卸连接于所述第二底板上的第二托板；所述第一托板和所述第二托板均设有所述横探测器。
根据本公开的一实施方式，所述安装板包括第一安装组件和第二安装组件。所述第一安装组件设于所述外壳内，并能从所述第一端移入或移出，所述第一端盖连接于所述第一安装组件的一端。所述第二安装组件设于所述外壳内且与所述第一安装组件正对，并能从所述第二端移入或移出，所述第二端盖连接于所述第二安装组件的一端。所述第一安装组件和所述第二安装组件均设有所述横探测器。
由上述技术方案可知，本公开具备以下优点和积极效果中的至少之一：
本公开车辆检测系统中，多个横探测器可平铺于横探测器臂内，相较于传统的向心布置方式，可减少在竖直方向上占用的空间，有利于减小横探测器臂的厚度，从而可降 低甚至省去埋设横探测器臂时的土建工作量。
横探测器臂内的横探测器平铺，竖探测器在竖探测器臂上沿竖直方向分布，且均朝辐射源的中心点向心设置，即向心布置，多个横探测器和多个竖探测器共同作用，形成清晰的被检车辆及其内部图像，能够保证车辆检测的可靠性。
附图说明
通过参照附图详细描述其示例实施方式，本发明的上述和其它特征及优点将变得更加明显。
图1是本公开车辆检测系统一实施方式的示意图；
图2是本公开车辆检测系统的横探测器臂一实施方式的前视图。
图3是图2中横探测器臂的俯视图；
图4是图2的A-A剖视图；
图5是图2的B-B剖视图；
图6是图4中C部的放大图；
图7是图4中D部的放大图。
图中：1、横探测器臂；11、外壳；111、下壳体；112、上壳体；1121、连接耳；12、第一安装组件；13、第二安装组件；14、第一端盖；15、第二端盖；16、第一密封圈；17、第二密封圈；2、竖探测器臂；3、辐射源；4、横探测器；5、竖探测器；6、顶梁；7、接头；8、车辆。
具体实施方式
现在将参考附图更全面地描述示例实施方式。然而，示例实施方式能够以多种形式实施，且不应被理解为限于在此阐述的实施方式；相反，提供这些实施方式使得本公开将全面和完整，并将示例实施方式的构思全面地传达给本领域的技术人员。图中相同的附图标记表示相同或类似的结构，因而将省略它们的详细描述。
虽然本说明书中使用相对性的用语，例如“上”“下”来描述图标的一个组件对于另一组件的相对关系，但是这些术语用于本说明书中仅出于方便，例如根据附图中所述的示例的方向。能理解的是，如果将图标的装置翻转使其上下颠倒，则所叙述在“上”的组件将会成为在“下”的组件。其他相对性的用语，例如“顶”“底”、“横”“竖”等也作具有类似含义。当某结构在其它结构“上”时，有可能是指某结构一体形成于其它结构上，或指某结构“直接”设置在其它结构上，或指某结构通过另一结构“间接”设置在其它结构上。
用语“一个”、“一”、“该”和“所述”用以表示存在一个或多个要素/组成部分/等；用语“包括”和“具有”用以表示开放式的包括在内的意思并且是指除了列出的要素/组成部分/ 等之外还可存在另外的要素/组成部分/等；用语“第一”、“第二”等仅作为标记使用，不是对其对象的数量限制。
本公开的车辆检测系统，多个横探测器4在横探测器臂1内平铺设置，排列成一条直线，而非弧形。经验证，这种横探测器4在横探测器臂1内平铺的设置方式足以实现检测效果。本公开中，横探测器臂1在竖直方向上的厚度较薄，从而待检测车辆能容易地驶过该横探测器臂1。
本示例实施方式中提供了一种车辆检测系统，用于对车辆8进行检测。如图1所示，该车辆检测系统可以包括横探测器臂1、竖探测器臂2、辐射源3、横探测器4和竖探测器5。其中横探测器臂1是指设置于大地上用于安装探测器的臂；竖探测器臂2是指一端接近于大地，另一端远离大地，用用于安装探测器的臂。竖探测器臂2可以基本垂直于横探测器臂1。横探测器4是指安装于横探测器臂1上的探测器，竖探测器5是指安装于竖探测器臂2上的探测器。其中探测器可以采用现有结构，该现有的探测器具有一能安装于一探测器臂上的安装面，例如该现有的探测器大体上呈长方体形状，其中一表面为安装面。
本公开的车辆检测系统中，多个横探测器4在横探测器臂1内平铺设置，即所有的横探测器4的安装面与横探测器臂1内的安装面之间的的夹角在不计安装误差情况下均为0度，当横探测器臂1水平安装时，即横探测器臂1内的安装面与水平面之间的夹角为0度，所有的横探测器4与水平面之间的夹角也为0度。因此，本公开中的横探测器臂1在竖直方向上的厚度W较薄，横探测器臂1铺设于地表面，待检车辆能轻易通过；此外，也可以进行少量的土建工作挖一浅沟槽，将横探测器臂1及相关部件埋设至与地表面平齐或埋设于地表面以下，则待检车辆即可无障碍通过。
如图2所示，在一实施方式中，横探测器臂1可以包括外壳11和安装板，其中：
外壳11可以是两端贯通的管状结构，贯通的两端分别为第一端115和第二端116，安装板可容纳于外壳11内。外壳11的横截面的形状可以是矩形、圆形，但不以此为限，还可以是梯形或其它形状，该横截面为垂直于外壳11轴向的截面。外壳11可部分嵌入地面，也可直接固定于地表面上，车辆8可从其上驶过。
外壳11可以是一体式的管状结构，也可以是拼接式的管状结构，举例而言，如图2和图5所示，外壳11可以包括下壳体111和上壳体112。其中，下壳体111的横截面可以呈U形，其开口朝上设置。上壳体112的横截面也可以呈U形，且开口方向与下壳体111相反，从而可盖设于下壳体111上，与下壳体111配合围成上述外壳11。同时，上壳体112可通过焊接、卡接或利用螺栓连接等方式与下壳体111密封连接。在本公开的其它实施方式中，下壳体111的横截面呈U形，上壳体112可以是平板状结构，上壳体112盖设于下壳体111上后，同样可通过下壳体111围成管状结构，即外壳11。当然，下壳体111和上壳体112还可以是其它结构，只要能拼接成管状结构的外壳11即可，在 此不再一一列举。
此外，如图3所示，上壳体112上可设有连接耳1121，连接耳1121可向外延伸，即向远离上壳体112的方向延伸。连接耳1121的数量可以是多个，且对称分布于上壳体112的两侧。同时，连接耳1121与上壳体112可以是一体式结构，也可以通过焊接、铆接或利用螺钉连接等方式固定连接。此外，连接耳1121可设有安装孔，该安装孔可以是螺纹孔或光孔，可通过地脚螺钉等螺纹连接件将连接耳1121与上述的地面固定连接。当然，连接耳1121也可设于下壳体111上，只要能用于将外壳11固定于地面即可。
如图4所示，安装板可以是平板结构，其可设于外壳11内，并能沿外壳11的长度方向移入或移出外壳11，横探测器4平铺于安装板上，例如，横探测器4为长方体结构，各横探测器4均有一表面贴合于安装板的上表面并固定连接。
安装板的数量可以是一个，其可设于外壳11内，并可从外壳11的第一端115或第二端116进/出外壳11，以便于对该安装板上的横探测器4进行检修。或者，如图4所示，安装板的数量还可以是两个，包括第一安装组件12和第二安装组件13，其中：
如图5所示，第一安装组件12上可安装多个横探测器4，并能从外壳11的第一端115移入或移出外壳11。举例而言，第一安装组件12可以包括第一底板121和第一托板122，第一底板121可以是平板结构，也可以是U形结构或其它结构。第一托板122可设于第一底板121上，并可通过卡接或利用螺钉连接等可拆卸的方式连接于第一底板121上。横探测器4可平铺于第一托板122上，并通过卡接或利用螺栓连接等方式固定于第一托板122上。当然，第一安装组件12也可以仅是一平板。
第二安装组件13上也可以安装多个横探测器4，并能从外壳11的第二端116移入或移出外壳11，举例而言，第二安装组件13可以包括第二底板131和可拆卸连接于第二底板131上的第二托板132，第二托板132上也可平铺设置多个横探测器4，第二安装组件13的具体结构可参考上述第一安装组件12，在此不再详述。当然，第二安装组件13也可以是一平板。
此外，第二安装组件13的在外壳11内的端部可与第一安装组件12的在外壳11内的端部正对，以防止第一安装组件12和第二安装组件13重叠。且第一安装组件12和第二安装组件13的长度均可以等于或小于外壳11的纵向长度的一半，以便外壳11内可同时容纳第一安装组件12和第二安装组件13。
如图4所示，在一实施方式中，横探测器臂1还可以包括第一端盖14和第二端盖15，其中：
第一端盖14可为板状结构，其尺寸以能覆盖第一端115为限，并可通过卡接或利用螺栓连接等可拆卸方式密封连接于外壳11的第一端115，将外壳11的第一端115遮盖起来，防止水分或杂物从第一端115进入外壳11内，有利于保护外壳11内的横探测器4；当需要检修横探测器4时，可将第一端盖14与第一端115分离，以便取出第一安装 组件12及其上的探测器。
第二端盖15可通过可拆卸的方式密封连接于外壳11的第二端116，以将外壳11的第二端116遮盖起来，防止水分或杂物从第二端116进入外壳11内。第二端盖15的结构和安装方式可参考第一端盖14及第一端盖14与第一端115的安装方式，在此不再详述。
如图5至图7所示，在一实施方式中，横探测器臂1还可以包括第一密封圈16和第二密封圈17，其中：
如图5和图6所示，第一密封圈16可为环状结构，其可设于第一端115的端面，并可通过粘接或卡接等方式与第一端115固定连接，第一端盖14可与第一密封圈16贴合，从而可通过第一密封圈16提高第一端盖14和第一端115的密封效果，进一步防止杂物或水分进入外壳11。当然，第一密封圈16也可设于第一端盖14，只要能使第一端盖14与第一端115密封即可。
如图7所示，第二密封圈17可设于第二端116的端面，第二密封圈17的结构和安装方式可参考第一密封圈16，在此不再详述。从而可通过第二密封圈17提高第二端盖15和第二端116的密封效果，进一步防止杂物或水分进入外壳11。当然，第二密封圈17也可设于第二端盖15，只要能使第二端盖15与第二端116密封即可。
如图1所示，在一实施方式中，竖探测器臂2的数量可以是两个，且两个竖探测器臂2可竖直设于横探测器臂1的两端，从而形成一可供车辆8通过的通道。两个竖探测器臂2可通过焊接、卡接或利用螺栓连接等方式固定于横探测器臂1的上表面，也可固定于地面上。每个竖探测器臂2的横截面的形状均可以是矩形、圆形或梯形等，在此不再一一列举。
如图1所示，在一实施方式中，辐射源3可以是X辐射源、γ辐射源或者其它能发出可透过车辆8的射线的辐射装置。同时，辐射源3可设于横探测器臂1的上方且位于两个竖探测器臂2间的通道上方，并可向下发出射线，且两个竖探测器臂2可关于辐射源3对称，辐射源3的中心点位于横探测器臂1的中垂面上。为了便于安装辐射源3，可在两个竖探测器臂2的顶部架设一平行于横探测器臂1的顶梁6，该顶梁6与竖探测器臂2可通过焊接或利用螺栓连接等方式固定连接，也可以是一体式结构，从而可与竖探测器臂2构成一门架。辐射源3可通过焊接、卡接或利用螺栓连接等方式固定于顶梁6的中部，并可向下发出射线。当然，在本公开的其它实施方式中，辐射源3也可通过专门的支架设于通道上方。
如图1所示，在一实施方式中，横探测器4与辐射源3匹配，可接收辐射源3的射线，以形成检测区域，以便对进入该检测区域的车辆8进行检测并形成车辆8内部的图像，例如，若辐射源3为X辐射源，横探测器4为X射线探测器；若辐射源3为γ辐射源，则横探测器4为γ射线探测器。横探测器4的具体结构和工作原理可参考现有的探 测器，在此不再详述。
横探测器4的数量可以是多个，具体数量在此不做特殊限定。多个横探测器4均通过焊接、卡接或利用螺栓连接等方式固定于横探测器臂1的安装板上。举例而言，多个横探测器4可分别设于第一安装组件12和第二安装组件13上并可通过螺钉固定，在第一安装组件12和第二安装组件13位于外壳11内时，各个横探测器4可沿外壳11的长度方向平铺设置，即水平分布，不倾斜。相较于向心分布的方式而言，平铺的方式有利于降低横探测器臂1的厚度，可减少甚至避免安装横探测器臂1的土建工作量。同时，每个横探测器4均能与辐射源3形成一检测区域，各个横探测器4所形成的检测区域可形成一连续的子检测面，通过该子检测面可对通过的车辆8进行检测。
如图1所示，在一实施方式中，竖探测器5的类型可参考上述横探测器4，其也可接收辐射源3的射线，在此不再详述。竖探测器5的数量可以是多个，且多个竖探测器5可分别设于两个竖探测器臂2上并可沿竖直方向分布，每个竖探测器5均可通过卡接、焊接或利用螺栓连接等方式与竖探测器臂2固定连接，且两个竖探测器臂2上的竖探测器5可对称设置。
各个竖探测器5均朝向辐射源3的中心点设置，即向心设置，且各个竖探测器5的中垂线可相交于辐射源3的中心点，以便于接收辐射源3发出的射线。每个竖探测器5均能与辐射源3形成一检测区域，同一竖探测器臂2的竖探测器5形成的各个检测区域能形成一连续的子检测面；两个竖探测器臂2的竖探测器5形成的子检测面可位于横探测器4形成的子检测面的两侧，并共同形成一连续的检测面，从而可通过该检测面对通过通道的车辆8进行检测，以便得到车辆8内部的图像。由于竖探测器5均朝向辐射源3的中心点向心设置，因而竖探测器5相对水平面倾斜，使得竖探测器5在水平方向上所占用的面积减小，有利于减小竖探测器臂2的厚度，以节约材料，降低成本。同时，由于连续的检测面可避免存在无法扫描到的检测盲区，提高检测结果的可靠性。
如图2至图4所示，在一实施方式中，上述的车辆检测系统还可以包括接头7，接头7可设于第一端盖14或第二端盖15上，以便引出横探测器4和竖探测器5的引线。
在一实施方式中，车辆检测系统还可以包括控制装置显示装置，横探测器4和竖探测器5均可与该控制装置连接，以便通过该控制装置对采集的信号进行处理，并控制显示装置显示车辆8内部的图像。当然，该车辆检测系统还可以包括其它装置，具体可参考现有的车辆检测系统，在此不再详述。
本公开实施方式的车辆检测系统，横探测器臂1内的横探测器4平铺，竖探测器5在竖探测器臂2上沿竖直方向分布，且均朝向辐射源3的中心点设置，即向心布置；在检测时，车辆8可从横探测器臂1上通过并通过两个竖探测器臂2间的通道，多个横探测器4和多个竖探测器5共同作用，形成清晰的被检车辆8及其内部图像，能够保证车辆8检测的可靠性。多个横探测器4可沿横探测器臂1的长度方向平铺于横探测器臂1， 相较于向心分布的方式，可减少在竖直方向上占用的空间，有利于减小横探测器臂1的厚度和重量，从而降低甚至省去埋设横探测器臂1时的土建工作量。
应可理解的是，本公开不将其应用限制到本说明书提出的部件的详细结构和布置方式。本公开能够具有其他实施方式，并且能够以多种方式实现并且执行。前述变形形式和修改形式落在本公开的范围内。应可理解的是，本说明书公开和限定的本公开延伸到文中和/或附图中提到或明显的两个或两个以上单独特征的所有可替代组合。所有这些不同的组合构成本公开的多个可替代方面。本说明书所述的实施方式说明了已知用于实现本公开的最佳方式，并且将使本领域技术人员能够利用本公开。

Claims (12)

  1. 一种车辆检测系统，其特征在于，包括：
    横探测器臂，能设于地面；
    两个竖探测器臂，设于所述横探测器臂两端部；
    辐射源，位于所述横探测器臂上方；
    多个横探测器，设于所述横探测器臂内并沿所述横探测器臂的长度方向平铺，用于接收所述辐射源发出的射线；
    多个竖探测器，对称设于两个所述竖探测器臂上，且每个所述竖探测器朝向所述辐射源的中心点方向设置，用于接收所述辐射源发出的射线。
  2. 根据权利要求1所述的车辆检测系统，其特征在于，所述横探测器臂铺设于地面。
  3. 根据权利要求1所述的车辆检测系统，其特征在于，所述横探测器臂的中垂面通过所述辐射源的中心点。
  4. 根据权利要求1、2或3所述的车辆检测系统，其特征在于，各个所述竖探测器的中垂线相交于所述辐射源的中心点。
  5. 根据权利要求1所述的车辆检测系统，其特征在于，所述横探测器臂包括：
    外壳，所述外壳为管状结构且具有第一端和第二端；
    安装板，水平设于所述外壳内，并能沿所述外壳的长度方向移入或移出，所述横探测器设于所述安装板上。
  6. 根据权利要求5所述的车辆检测系统，其特征在于，所述横探测器臂还包括：
    第一端盖，可拆卸地连接于所述第一端；
    第二端盖，可拆卸地连接于所述第二端。
  7. 根据权利要求6所述的车辆检测系统，其特征在于，所述横探测器臂还包括：
    第一密封圈，设于所述第一端的端面或第一端盖，用于使所述第一端盖与所述第一端密封连接；
    第二密封圈，设于所述第二端的端面或第二端盖，用于使所述第二端盖与所述第二端密封连接。
  8. 根据权利要求5所述的车辆检测系统，其特征在于，所述外壳包括横截面均为U形的下壳体和上壳体，所述上壳体与所述下壳体相对扣合并密封连接。
  9. 根据权利要求5所述的车辆检测系统，其特征在于，所述外壳设有多个向外延伸的连接耳，各所述连接耳均设有安装孔。
  10. 根据权利要求5-9任一项所述的车辆检测系统，其特征在于，所述安装板包括：
    第一安装组件，设于所述外壳内，并能从所述第一端移入或移出；
    第二安装组件，设于所述外壳内且与所述第一安装组件正对，并能从所述第二端移入或移出；
    多个所述横探测器分别设置于所述第一安装组件和所述第二安装组件上。
  11. 根据权利要求10所述的车辆检测系统，其特征在于，所述第一安装组件包括第一底板和可拆卸连接于所述第一底板上的第一托板；所述第二安装组件包括第二底板和可拆卸连接于所述第二底板上的第二托板；多个所述横探测器分别设置于所述第一托板和所述第二托板上。
  12. 根据权利要求6或7所述的车辆检测系统，其特征在于，所述安装板包括：
    第一安装组件，设于所述外壳内，并能从所述第一端移入或移出，所述第一端盖连接于所述第一安装组件的一端；
    第二安装组件，设于所述外壳内且与所述第一安装组件正对，并能从所述第二端移入或移出，所述第二端盖连接于所述第二安装组件的一端；
    多个所述横探测器分别设置于所述第一安装组件和所述第二安装组件上。
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