CN211627844U - Double-source double-visual-angle X-ray channel type security inspection machine with novel structure - Google Patents
Double-source double-visual-angle X-ray channel type security inspection machine with novel structure Download PDFInfo
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- CN211627844U CN211627844U CN202020292505.0U CN202020292505U CN211627844U CN 211627844 U CN211627844 U CN 211627844U CN 202020292505 U CN202020292505 U CN 202020292505U CN 211627844 U CN211627844 U CN 211627844U
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Abstract
The utility model provides a double-source double-visual angle X-ray channel type security check machine with a novel structure, which comprises a transmission device, a security check channel, a DR detection acquisition device, an X-ray source device, a CBS detection acquisition device, an industrial personal computer and an electric control device; the transmission device penetrates through the security inspection channel, the DR detection sampling and transmitting device and the CBS detection sampling and transmitting device are both arranged on the outer wall of the security inspection channel, and the X-ray source device, the DR detection sampling and transmitting device and the CBS detection sampling and transmitting device are arranged in a position corresponding to each other, wherein the DR detection sampling and transmitting device comprises a DR detector array arranged in an array mode, and the CBS detection sampling and transmitting device comprises a CBS detector array arranged in an array mode; the transmission device is connected with the electric control device. The X-ray perspective technology and the X-ray Compton back scattering scanning technology are combined, the luggage case which passes through is scanned and imaged from two different angles, and the difficulty in image reading caused by object overlapping can be effectively avoided.
Description
Technical Field
The utility model belongs to the security check machine field, concretely relates to novel two visual angle X ray passageway formula security check machines in source of structure.
Background
At present, the existing X-ray security inspection machines at home and abroad are single-source single-view angle channel type security inspection machines, and the luggage passing through can only be scanned and imaged from one angle (upper surface or lower surface), so that overlapped objects in the luggage are difficult to identify, and erroneous judgment and increase of labor intensity are inevitably caused; the liquid security inspection instrument and the explosive detection instrument can only detect liquid contained in a single container and unpacked solid explosive respectively, namely liquid bottles or suspected solid explosive must be taken out from the bags for detection. Therefore, the safety inspection of safety inspection ports of airports, subways and the like is time-consuming and troublesome, and the requirements of on-site safety inspection cannot be met far away.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double-source double-visual angle X-ray channel type security inspection machine with a novel structure, which can realize scanning imaging of luggage cases passing through from two different angles and respectively display the images; and the function of detecting the non-metal contraband by using the CBS is added, so that the accuracy quality and efficiency of security inspection are improved to a great extent, and the problems in the background technology are solved.
The utility model discloses the technical scheme who takes specifically as follows:
a double-source double-visual-angle X-ray channel type security inspection machine with a novel structure comprises a transmission device, a security inspection channel, a DR detection acquisition and transmission device, an X-ray source device, a CBS detection acquisition and transmission device, an industrial personal computer and an electric control device; the transmission device penetrates through the security inspection channel, the DR detection sampling and transmitting device and the CBS detection sampling and transmitting device are both arranged on the outer wall of the security inspection channel, and the X-ray source device, the DR detection sampling and transmitting device and the CBS detection sampling and transmitting device are arranged in a position corresponding to each other, wherein the DR detection sampling and transmitting device comprises a DR detector array arranged in an array mode, and the CBS detection sampling and transmitting device comprises a CBS detector array arranged in an array mode; the transmission device is connected with the electric control device, wherein the DR detection acquisition and transmission device, the X-ray source device and the CBS detection acquisition and transmission device are all connected with the industrial personal computer, and the industrial personal computer is electrically connected with the electric control device.
Preferably: the DR detection acquisition and transmission device comprises a bottom-illuminated DR detector array, and the bottom-illuminated DR detector array is arranged on the top wall and the two side walls of the inlet end of the security inspection channel; the X-ray source device comprises a bottom-irradiation X-ray source device and a bottom-irradiation X-ray source collimator, wherein the bottom-irradiation X-ray source device is arranged below the transmission device, and the bottom-irradiation X-ray source device is arranged right below the corresponding position of the bottom-irradiation DR detector array.
Preferably: the centers of the under-illumination DR detector array, the under-illumination X-ray source collimator and the CBS detector array are positioned on the same cross section.
Preferably: the CBS detector array is arranged on two sides of the security inspection channel, and the CBS detector array is arranged below the bottom-illuminated DR detector array.
Preferably: the DR detection acquisition and transmission device comprises a side-illuminated DR detector array, wherein the side-illuminated DR detector array is arranged on the top wall and one side wall of the outlet end of the security inspection channel; the X-ray source device comprises a side-irradiation X-ray source device and a side-irradiation X-ray source collimator, wherein the side-irradiation X-ray source device is arranged on the other side wall of the outlet end of the security check channel.
Preferably: the centers of the side-illuminated DR detector array and the side-illuminated X-ray source collimator are positioned on the same cross section.
Preferably: the CBS detection acquisition and transmission device comprises a NaI detector, a multi-channel pulse amplitude analyzer and a high-low voltage power supply.
The utility model discloses the technological effect who gains does:
1. the utility model has novel structure, in particular to a bottom lighting DR detector array which comprises a DR detector array arranged in an array and arranged in a door shape, and a case is detected from the horizontal direction of a security inspection channel; the side-illuminated DR detector array comprises CBS detector arrays arranged in an array, is arranged in an inverted L shape, and detects the bags from the vertical direction of the security inspection channel; therefore, the detection is realized without dead angles, and the detected luggage can be placed on the transmission device of the security inspection channel vertically or horizontally.
2. CBS data acquisition is carried out on the luggage through the CBS detection acquisition and transmission device, and automatic identification of bottled liquid, solid explosives, drugs and other suspicious products is realized through multi-channel analysis and energy spectrum characteristics of the CBS data.
3. Adopting a bottom-illuminated DR detector array and a bottom-illuminated X-ray source device to acquire DR data of the passing luggage in the horizontal direction; adopting a side-illumination DR detector array and a side-illumination X-ray source device to acquire DR data of the passing luggage in the vertical direction; scanning and imaging the luggage cases passing through from two different angles, respectively displaying, and automatically identifying the metal suspicious products and the firecracker suspicious products through the image characteristics of DR data; the difficulty in reading pictures caused by object overlapping can be effectively avoided, so that dangerous goods and contraband can be more effectively identified.
The utility model discloses scan the formation of image to the luggage case and bag that pass through from two different angles, can effectively avoid because the reading difficulty that the object overlapped and brought to can more effectual discernment hazardous articles and contraband.
The multifunctional detection system realizes multiple detection functions, and can simultaneously detect suspicious metal products, suspicious bottled liquid products, suspicious firecracker products and suspicious solid explosive products on one security inspection machine through two detection acquisition and transmission detection modes of DR and CBS, and the detected luggage can complete the scanning of two detection acquisition and transmission systems once through a channel. The cost performance is high, and the detection speed is improved.
The utility model has the advantages of it is multi-functional, intelligent, detection speed is fast, simple and convenient safety, accuracy height and price/performance ratio height, can satisfy the on-the-spot safety inspection requirement of security installations such as airport, subway better.
Drawings
Fig. 1 is a schematic structural diagram (a) of the present invention.
Fig. 2 is a schematic structural diagram (ii) of the present invention.
The corresponding relation of all the reference numbers is as follows: the system comprises a machine frame 1, a transmission device 2, a motor-driven roller 21, a driven roller 22, a transmission belt 23, a transmission belt lining plate 24, a safety inspection channel 3, a CBS detection and acquisition device 4, an electric control device 5, an industrial personal computer 6, a bottom-illuminated DR detector array 7, a bottom-illuminated X-ray source device 8, a side-illuminated DR detector array 9, a side-illuminated X-ray source device 10, a bottom-illuminated X-ray collimator 11, a side-illuminated X-ray collimator 12, a bottom-illuminated DR acquisition and transmission electronic device 13, a side-illuminated DR acquisition and transmission electronic device 14, a wheel 15, a supporting leg 16 and an electronic device 17-CBS acquisition and transmission device.
Detailed Description
In order to make the objects and advantages of the present invention more apparent, the present invention will be described in detail with reference to the following embodiments. It is to be understood that the following text is only intended to describe one or several particular embodiments of the invention, and does not strictly limit the scope of the claims specifically claimed.
Wherein, CBS-utilizes X-ray Compton back scattering scanning technique; DR- -X-ray fluoroscopy technique.
In this embodiment, the specific types of the related devices are as follows: transport apparatus 2- -A200; bottom-lit DR detector array 7- -XDAS-DH 3-9002E-01; bottom-illumination X-ray source apparatus 8- -X130/160KV1 mA; side-lit DR detector array 9- -XDAS-DH 3-9002E-01; side-lit X-ray source apparatus 10- -X130/160KV1 mA; CBS detection and acquisition device 4-NaI detector; industrial personal computer 6-domestic Shenwei industrial personal computer; an underillumination DR acquisition electronics device 13- -XDAS-V3900; side-lit DR acquisition electronics 14- -XDAS-V3900.
As shown in fig. 1-2, a dual-source dual-view X-ray channel security inspection machine with a novel structure comprises a frame 1, wherein wheels 15 and supporting legs 16 are arranged at the bottom of the frame 1; the middle part of the rack 1 is provided with a transmission device 2, the transmission device 2 comprises an electric roller 21, a driven roller 22 and a transmission belt 23, the electric roller 21 and the driven roller 22 are respectively arranged at two ends of the transmission device 2, and the electric roller 21 is in driving connection with the driven roller 22 through the transmission belt 23; the inner side of the conveyor belt 23 is provided with a conveyor belt lining plate 24, and the conveyor belt lining plate 24 is made of stainless steel. A security inspection channel 3 is arranged above the transmission device 2, the transmission device 2 penetrates through the security inspection channel 3, the DR detection acquisition and transmission device and the CBS detection acquisition and transmission device 4 are both arranged on the outer wall of the security inspection channel 3, the X-ray source device and the DR detection acquisition and transmission device and the CBS detection acquisition and transmission device 4 are arranged in a position corresponding to each other, the DR detection acquisition and transmission device comprises a DR detector array arranged in an array, and the CBS detection acquisition and transmission device 4 comprises a CBS detector array arranged in an array; the transmission device 2 is connected with the electric control device 5, wherein the electric control device 5 is arranged in the middle of the outer side wall of the security inspection channel 3, the DR detection acquisition and transmission device, the X-ray source device and the CBS detection acquisition and transmission device 4 are all connected with the industrial personal computer 6, and the industrial personal computer 6 is electrically connected with the electric control device 5.
On one hand, the security inspection machine adopts a DR detection acquisition and transmission device, and the image characteristics of the obtained data realize the automatic identification of the metal suspicious products and the firecracker suspicious products; on the other hand, the CBS detection acquisition and transmission device 4 is adopted to carry out CBS data acquisition on the luggage passing through, and automatic identification on suspicious products such as bottled liquid, solid explosives, drugs and the like is realized through multi-channel analysis and energy spectrum characteristics of the CBS data; the security inspection machine can simultaneously detect metal suspicious products, bottled liquid suspicious products, firecrackers suspicious products and solid explosive suspicious products on one security inspection machine; the luggage to be detected can pass through the passage once, and then the scanning of two detection acquisition and transmission systems can be completed.
Further, the DR detection, sampling and transmission device comprises a bottom-illuminated DR detector array 7, wherein the bottom-illuminated DR detector array 7 is in a gate shape and is arranged on the top wall and the two side walls of the inlet end of the security inspection channel 3; x ray source device includes and shines X ray source device 8 at the end, 2 below transmission device are located to the end of shining X ray source device 8, and shines X ray source device 8 at the end and locate under the corresponding position of DR detector array 7, specifically be frame 1 bottom and install in the intermediate position of entrance point and shine X ray source device 8 at the end. DR data acquisition in the horizontal direction is carried out through the bottom-illuminated DR detector array 7 and the bottom-illuminated X-ray source device 8, and security inspection information of articles in the detected luggage case is obtained from the overlooking angle.
Furthermore, in order to couple the X-ray beams emitted by the X-ray source device to the maximum extent, limit the radiation range of the X-ray beams and improve the penetrability and safety of the X-ray beams; and a bottom-irradiation X-ray source collimator 11 is arranged between the bottom-irradiation X-ray source device 8 and the transmission device 2.
Wherein, in order to ensure that the X-ray of the base illumination irradiates the measured object evenly; the junction of the top wall and the two side walls of the inlet end of the security inspection channel 3 is provided with a shielding box A of the bottom-illuminated DR detector array 7, and the beam outlet of the bottom-illuminated X-ray source collimator 11 is aligned with the receiving strip seam of the shielding box A.
Specifically, the centers of the under-illumination DR detector array 7, the under-illumination X-ray source collimator 11 and the CBS detector array are located on the same cross section.
The CBS detection acquisition and transmission device 4 comprises a NaI detector, a multichannel pulse amplitude analyzer and a high-low voltage power supply; the NaI detectors are arranged below the bottom-illuminated DR detector array 7 on two side walls of the security inspection channel 3, and the multichannel pulse amplitude analyzer and the high-low voltage power supply are arranged on a bottom plate of the rack 1.
Furthermore, the CBS detection and acquisition device 4 is arranged on two sides of the security inspection channel 3, and the CBS detection and acquisition device 4 is arranged below the bottom-illuminated DR detector array 7. The X-ray beam emitted by the under-illumination X-ray source device 8 passes through the luggage and is captured by the CBS detection acquisition and transmission device 4, the back scattering energy spectrum characteristics of solid substances in the luggage are obtained, then CBS multi-channel analysis, energy spectrum characteristic extraction and database alarm threshold value comparison are carried out, and detection information is output.
Further, the DR detection and acquisition device comprises a side-illuminated DR detector array 9, wherein the side-illuminated DR detector array 9 is in an inverted L shape and is arranged on the top wall and one side wall of the outlet end of the security inspection channel 3; the X-ray source device comprises a side-irradiation X-ray source device 10, the side-irradiation X-ray source device 10 is arranged on the other side wall of the outlet end of the security check channel 3, a fixing frame is welded on the position of the corresponding side wall of the outlet end of the security check channel 3, and the side-irradiation X-ray source device 10 is arranged on the fixing frame. The DR detector array 9 and the X-ray source device 10 are used for collecting DR data in the vertical direction, and the security inspection information of the articles in the detected luggage case is obtained from a side view angle.
Furthermore, in order to couple the X-ray beams emitted by the X-ray source device to the maximum extent, limit the radiation range of the X-ray beams and improve the penetrability and safety of the X-ray beams; and a side-irradiation X-ray source collimator 12 is arranged between the side-irradiation X-ray source device 10 and the security check channel 3.
Wherein, in order to ensure that the side-irradiation X-ray uniformly irradiates the measured object; and a shielding box B of the side-illuminated DR detector array 9 is arranged at the junction of the top wall and one side wall of the outlet end of the security inspection channel 3, and a beam outlet of the side-illuminated X-ray source collimator 12 is aligned to a receiving strip seam of the shielding box B.
Wherein, the side-illuminated DR detector array 9 and the side-illuminated X-ray source collimator 12 are positioned on the same cross section of the security inspection channel 3.
When the security inspection machine is used, when an object to be detected is placed on the conveying belt 23, the transmission device 2 is started, the electric roller 21 is controlled to drive the conveying belt 23 to convey the object to be detected to the security inspection channel 3, the bottom-irradiation X-ray source device 8 and the side-irradiation X-ray source device 10 are started in sequence, and under the control of detection software, transmission (DR) and back scattering (CBS) detection are respectively carried out.
And (3) transmission detection: x-rays emitted by the under-illumination X-ray source device 8 and the side-illumination X-ray source device 10 respectively form a flat fan-shaped X-ray beam A and an X-ray beam B through the under-illumination X-ray collimator 11 and the side-illumination X-ray collimator 12, sequentially pass through a measured object and then are respectively projected to the under-illumination DR detector array 7 array and the side-illumination DR detector array 9 array to acquire transmission detection data to obtain the shape and size, density and thickness information of the measured object, and are processed by the under-illumination DR acquisition electronics device 13 and the side-illumination DR acquisition electronics device 14, sending to an industrial personal computer 6 for respectively displaying a bottom-shot DR image and a side-shot DR image, extracting the outline, extracting the image characteristics, extracting the counting curve characteristics and comparing the database data, the suspicious products of metals, bottled liquids and firecrackers are judged and output in various modes such as gray level/pseudo-color pictures, audible and visual alarms, red frame highlighting and the like.
Back scattering detection: the back scattering signal generated by the X ray beam A emitted by the bottom-illuminated X ray source device 8 passing through the object to be measured is received by the CBS detection acquisition and transmission device array, the back scattering energy spectrum characteristic of the solid passing through the substance in the object to be measured is obtained, the back scattering energy spectrum characteristic is processed by the CBS acquisition and transmission electronic device 17, and then the back scattering energy spectrum characteristic is sent to the industrial personal computer 6 for CBS multi-channel analysis, energy spectrum characteristic extraction and database alarm threshold value comparison, various drugs are judged and output in the modes of sound-light alarm, red frame highlighting and the like.
The utility model provides a double-source double-visual angle X-ray channel type security inspection machine with a novel structure, which combines the X-ray perspective technology and the X-ray Compton back scattering scanning technology, and can more effectively identify dangerous goods and contraband goods; and two sets of X-ray source devices and DR detection acquisition and transmission devices are adopted to scan and image the luggage passing through from two different angles, and the images are respectively displayed, so that the difficulty in reading due to the overlapping of objects can be effectively avoided.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.
Claims (7)
1. The utility model provides a two source double-view angle X ray channel formula security check machines of novel structure which characterized in that: the system comprises a transmission device, a security inspection channel, a DR detection acquisition and transmission device, an X-ray source device, a CBS detection acquisition and transmission device, an industrial personal computer and an electric control device; the transmission device penetrates through the security inspection channel, the DR detection sampling and transmitting device and the CBS detection sampling and transmitting device are both arranged on the outer wall of the security inspection channel, and the X-ray source device, the DR detection sampling and transmitting device and the CBS detection sampling and transmitting device are arranged in a position corresponding to each other, wherein the DR detection sampling and transmitting device comprises a DR detector array arranged in an array mode, and the CBS detection sampling and transmitting device comprises a CBS detector array arranged in an array mode; the transmission device is connected with the electric control device, wherein the DR detection acquisition and transmission device, the X-ray source device and the CBS detection acquisition and transmission device are all connected with the industrial personal computer, and the industrial personal computer is electrically connected with the electric control device.
2. The dual-source dual-view X-ray channel security inspection machine with the novel structure as claimed in claim 1, is characterized in that: the DR detection acquisition and transmission device comprises a bottom-illuminated DR detector array, and the bottom-illuminated DR detector array is arranged on the top wall and the two side walls of the inlet end of the security inspection channel; the X-ray source device comprises a bottom-irradiation X-ray source device and a bottom-irradiation X-ray source collimator, wherein the bottom-irradiation X-ray source device is arranged below the transmission device, and the bottom-irradiation X-ray source device is arranged right below the corresponding position of the bottom-irradiation DR detector array.
3. The dual-source dual-view X-ray channel security inspection machine with the novel structure as claimed in claim 2, is characterized in that: the centers of the under-illumination DR detector array, the under-illumination X-ray source collimator and the CBS detector array are positioned on the same cross section.
4. The dual-source dual-view X-ray channel security inspection machine with the novel structure as claimed in claim 3, is characterized in that: the CBS detector array is arranged on two sides of the security inspection channel, and the CBS detector array is arranged below the bottom-illuminated DR detector array.
5. The dual-source dual-view X-ray channel security inspection machine with the novel structure as claimed in claim 1, is characterized in that: the DR detection acquisition and transmission device comprises a side-illuminated DR detector array, wherein the side-illuminated DR detector array is arranged on the top wall and one side wall of the outlet end of the security inspection channel; the X-ray source device comprises a side-irradiation X-ray source device and a side-irradiation X-ray source collimator, wherein the side-irradiation X-ray source device is arranged on the other side wall of the outlet end of the security check channel.
6. The dual-source dual-view X-ray channel security inspection machine with the novel structure as claimed in claim 5, is characterized in that: the centers of the side-illuminated DR detector array and the side-illuminated X-ray source collimator are positioned on the same cross section.
7. The dual-source dual-view X-ray channel security inspection machine with the novel structure as claimed in claim 1, is characterized in that: the CBS detection acquisition and transmission device comprises a NaI detector, a multi-channel pulse amplitude analyzer and a high-low voltage power supply.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020292505.0U CN211627844U (en) | 2020-03-11 | 2020-03-11 | Double-source double-visual-angle X-ray channel type security inspection machine with novel structure |
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| CN202020292505.0U CN211627844U (en) | 2020-03-11 | 2020-03-11 | Double-source double-visual-angle X-ray channel type security inspection machine with novel structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114153000A (en) * | 2021-11-12 | 2022-03-08 | 中国铁道科学研究院集团有限公司电子计算技术研究所 | Multilayer security inspection system |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114153000A (en) * | 2021-11-12 | 2022-03-08 | 中国铁道科学研究院集团有限公司电子计算技术研究所 | Multilayer security inspection system |
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