CN103353615A - Vehicle-mounted X-ray whole-boy perspective safety check system - Google Patents
Vehicle-mounted X-ray whole-boy perspective safety check system Download PDFInfo
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- CN103353615A CN103353615A CN2013102595464A CN201310259546A CN103353615A CN 103353615 A CN103353615 A CN 103353615A CN 2013102595464 A CN2013102595464 A CN 2013102595464A CN 201310259546 A CN201310259546 A CN 201310259546A CN 103353615 A CN103353615 A CN 103353615A
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Abstract
The invention provides a vehicle-mounted X-ray whole-boy perspective safety check system. The system comprises a vehicle and an X-ray scan imaging system mounted in the vehicle. The X-ray scan imaging system includes an X-ray generator, a collimation device, an X-ray detector, a controller and a conveyor which rotates around the X-ray detector and allows a human body to be checked in seat. The conveyer is provided with a chair, armrests and pedals, by which one to be checked has to sit with his arms and legs opened while being scanned, so that the optimum scanning effect is obtained, the height of the X-ray detector is greatly lowered, and the problem that the conventional body safety check system cannot completely meet the requirements of fluid safety check is solved. The system provided by the invention is applicable in common passenger carriages, and can reduce the cost, having a wide application range. Besides, the system is particularly suitable to be used for providing efficient general check for ordinary persons in unfixed fields, and is easy to implement.
Description
[technical field]
The present invention relates to the equipment that the discrepancy personnel carried out safety inspection for unfixed confidential places such as the frontier defense sentry post of flowing, important meeting-place, museums, particularly relate to a kind of vehicular X ray Whole Body perspective safety check system.
[background technology]
Current, worldwide terrorist activity and traffic in drugs criminal activity are becoming increasingly rampant, the public safety of serious harm society and normal orders of life.For this reason, countries in the world are constantly strengthened the strike of this type of criminal activity and strick precaution dynamics, such as the safety check of strengthening the important places such as airport and customs, and at the gateway configuration human body of various fixing important departments and the rays safety detection apparatus of row bag etc.But in many unfixed confidential places the equipment that the discrepancy personnel carry out the noncontact safety check also is in blank basically.For adapting to the needs of severe security protection situation, people develop a kind of vehicle-mounted X ray rays safety detection apparatus, it is that similar medical Chest X-rays X-ray machine is loaded onto automobile, reach at any time the place that needs the personnel that pass through are carried out the selective examination of upper body perspective, prevent from carrying contraband goods, particularly conceal in vivo drugs and be open to the custom.The distinct disadvantage of this equipment is that its X-ray detector is large-area flat detector, the X ray of its emission then is cone-shaped, and be radiated at whole detector plane, therefore radiation dose is quite large, suitable with medical Chest X-rays X-ray machine, health of human body to the detected person has than major injury, so it can only be used for indivedual emphasis suspects are carried out limited selective examination, and can not carry out general inspection to the general population.In addition, because examinee and transmitter fix, can only be checked through upper half of human body, and check less than other position of human body, make a lot of genuine suspicion people become fish that has escape the net.For this reason, a kind of rays safety detection apparatus technical scheme that Whole Body is scanned with covering of the fan type X-ray beam has appearred recently, although its decrease radiation dose, the tested person must stand on the platform of traveling priority and be checked.This is because the incident angle of this covering of the fan type X ray detection scheme requirement X ray is as much as possible little, so that the thickness that sees through in human body is as far as possible little.Thigh is crooked if human body is seated, and during then from fore-and-aft direction scanning process thigh, retouches and sweeps thickness large especially (because can scan along large leg axis), and obtain scan image as dark as a stack of black cats, thereby can't obtain clearly scan image.If obtain clearly scanning patter, X ray is scanned along the thinnest direction of human body, this just has to adopt the posture of standing to scan.And for this mode that needs the employing stance to scan, if allow covering of the fan type X ray scan sole from the crown, the length that receives so the detector of X ray then must considerably beyond people's height, be launched to reach more than 2.5 meters.For vehicle car commonly used, it can't satisfy so installation requirement of high spatial; And if adopt special vehicle, height can satisfy the installation requirement of detector, it can cause it to be very restricted in the highway communication driving process so that the car body height overall exceeds standard again, thereby can't be widely used.Therefore, up to now, also do not have in the world to be applicable to the personnel that contraband goods is concealed in the inside and outside of revocable important place carry out general inspection effectively and use the equipment of safety.
[summary of the invention]
The present invention is intended to address the above problem, and provide movably a kind of, be used for unfixed important place the ordinary person carried out body scan, and radiation dose is low, scanning patter clearly, can satisfy the vehicular X ray Whole Body perspective safety check system of mobile safety check.
For achieving the above object, the invention provides a kind of vehicular X ray Whole Body perspective safety check system, comprise motor vehicle and be arranged on the interior X-ray scanning imaging system of motor vehicle, described X-ray scanning imaging system comprises x ray generator, X ray is constrained to the collimating components of covering of the fan type beam, receive the X-ray detector of X ray, control device and carry the steadily transport platform by the X-ray scanning district of tested person, it is characterized in that, described transport platform comprises the base that rotates around X-ray detector, described base is provided with the seat of taking for the examinee, place the handrail of examinee's both hands and the pedal of placement examinee both feet, described seat is just facing to X-ray detector, described handrail and pedal are located at respectively the both sides of X-ray detector, when scanning, the examinee is seated on the seat, towards detector, the both hands both feet place respectively on handrail and the pedal, the both hands both feet are opened and be sitting posture to accept scanning.
Upside or downside at base are provided with the drive unit that the driving base rotates around X-ray detector, and described drive unit is connected with base and X-ray detector.
Described drive unit comprises to be located on the base and vertical reducing motor, intermeshing driving gear and the follower gear affixed with base, described driving gear is connected with the output revolving shaft of vertical reducing motor, described follower gear is sheathed on the X-ray detector, and be fixedly connected with X-ray detector, drive driving gear by vertical reducing motor and rotate and drive base and rotate around X-ray detector around follower gear.
Another structure of described drive unit is external rotor electric machine, and its rotor is set in the stator periphery, and described stator sleeve is connected on the X-ray detector, and is fixedly connected with X-ray detector; Described rotor is fixedly connected with base.
Be connected with roller on the bottom surface of described base.
Described base is provided with connecting hole, be provided with rolling bearing in the connecting hole, the end, lower end of described X-ray detector is located in this connecting hole, and described rolling bearing inner ring sleeve is located on the X-ray detector, and affixed with motor vehicle cabin ground, outer shroud and the base of described rolling bearing are affixed.
For improving checking efficiency, described seat can be made as two, and it is symmetricly set in the X-ray detector both sides, and side the place ahead of each seat respectively is provided with two handrails and pedal, and is symmetrical arranged with X-ray detector.
Described motor vehicle comprises the compartment, be separated into inspection chamber and pulpit two parts by fender wall in the compartment, the image acquisition of X-ray scanning imaging system and treating apparatus and control device are arranged in the pulpit, and x ray generator, X-ray detector, collimating components and transport platform are arranged in the inspection chamber; Described fender wall is made with stereotype, lead glass or plumbous rubber, and described compartment rear wall is provided with the double door that passes in and out the compartment for the tested person.
Be provided with self-level(l)ing device at described motor vehicle, this self-level(l)ing device comprises four electronic or hydraulic jack and horizontal controllers, wherein, four electronic or hydraulic jack are fixedly mounted on the place, four angles of carriage chassis bottom, and horizontal controller is located in the inspection chamber or pulpit in compartment.
Contribution of the present invention is, it has effectively overcome the problem that existing human body safety inspection system can not satisfy mobile safety inspection needs fully.The present invention is by arranging transport platform, and in transport platform seat, handrail and pedal are set, the acceptance scanning so that the examinee can be seated, and the health open surface has not only been realized the optimum scanning effect to X-ray detector, has also greatly shortened the height of X-ray detector, so that the present invention can be applicable to way-train, satisfy the needs of mobile safety inspection, and can reduce cost, enlarge range of application.The present invention have radiation dose low, can realize body scan, rotatable, do not affect the characteristics such as the examinee is healthy, be particularly suitable for providing safely and effectively general inspection for fixed-site ordinary person not, easy to implement.
[description of drawings]
Fig. 1 is one-piece construction longitudinal sectional view of the present invention.
Fig. 2 is one-piece construction vertical view cutaway drawing of the present invention.
Fig. 3 is the longitudinal sectional view of the transport platform of the embodiment of the invention 1.
Fig. 4 is the longitudinal sectional view of the transport platform of the embodiment of the invention 2.
Fig. 5 is that examinee of the present invention is with the inspected partial structurtes longitudinal sectional view of sitting posture.
Fig. 6 is that examinee of the present invention is with the inspected partial structurtes vertical view cutaway drawing of sitting posture.
Fig. 7 is the partial structurtes longitudinal sectional view of the embodiment of the invention 3.
Fig. 8 is the partial structurtes vertical view cutaway drawing of the embodiment of the invention 3.
[embodiment]
The following example is to further explanation of the present invention and replenishes, the present invention is not constituted any limitation.
Vehicular X ray Whole Body perspective safety check system of the present invention comprises X-ray scanning imaging system, motor vehicle 10 and self-level(l)ing device 30.
As shown in Figure 1 and Figure 2, described motor vehicle 10 is 10 of the universal machine motor-cars that are similar to ambulance, it comprises headstock, compartment and chassis, is separated into inspection chamber 11A and pulpit 11B two parts by fender wall 12 in the described compartment 11, and the compartment rear wall is provided with the double door that passes in and out the compartment for the tested person.Described fender wall 12 usefulness stereotypes, lead glass or plumbous rubber are made, and it can prevent that X ray from penetrating, and are not subjected to the radiation of X ray with the staff in the guarantee pulpit 11B.
Consult Fig. 1～Fig. 3, described X-ray scanning imaging system is by computer-controlled all-digital signal, and it is arranged in the compartment 11 of motor vehicle 10.This X-ray scanning imaging system comprises x ray generator 21, X-ray detector 23, collimating components 22, control device 24 and transport platform 25.Described x ray generator 21 is located in the inspection chamber 11A, and for generation of X-ray beam, it can be known x ray generator 21.Described collimating components 22 is located in the inspection chamber 11A, is used for making X ray to form thin covering of the fan type beam by narrow slit and penetrates, and it can be known collimating components 22.Described X-ray detector is located in the inspection chamber 11A, and on fixing and the bottom surface, compartment, be used for receiving X ray, its shell is column, be provided with some small probe units at its cylindrical shell, such as X ray sensors such as silicon photodiodes, it can be accepted X ray and produce the electric signal that is directly proportional with radiation intensity.Described control module is located at pulpit 11B, and it is known X-ray scanning imaging control module.The connection setting of described x ray generator 21, collimating components 22, X-ray detector 23 and control device 24, can be with reference to known technology, in this example, as shown in Figure 1 and Figure 2, described x ray generator 21 is connected connection with collimating components, described X-ray detector 23 and control device 24 are electrically connected.
As shown in Figure 1 and Figure 2, described transport platform 25 is used for accepting scanography for the examinee with sitting posture, and it is located in the inspection chamber 11A.As shown in Figure 3, described transport platform 25 comprises the base 251 that rotates around X-ray detector 23 and drives the drive unit 252 that base rotates.Described base 251 is provided with seat 253, the handrail 254 of placing examinee's both hands of taking for the examinee and the pedal 255 of placing examinee's both feet.In this example, it is provided with a seat 253, two handrails 254, two pedals 255, described seat 253 is just facing to X-ray detector 23, described handrail 254 and pedal 255 are located at respectively the both sides of X-ray detector 23, be used for forcing examinee's both hands both feet to open, and be sitting posture reception scanning, be beneficial to and obtain clearly scan image.Described base 251 is tabular body, which is provided with the circular connecting hole as dead eye, is provided with rolling bearing 257 in the connecting hole, and the size of this rolling bearing 257 and the housing diameter of X-ray detector coupling are for the end that connects X-ray detector.The interior ring 2571 of described rolling bearing 257 is sheathed on the bottom of X-ray detector 23, and affixed with ground, motor vehicle 10 compartment, and the outer shroud 2572 of this rolling bearing 257 is affixed with base 251.Be connected with roller 256 in the bottom surface of base 251, be used for base for supporting 251, also be beneficial to base 251 simultaneously around X-ray detector 23 rotations.As shown in Figure 3, shown in drive unit 252 be located on the base 251, be used for to drive base 251 around X-ray detector 23 rotations.In the present embodiment, as shown in Figure 3, described drive unit 252 comprises vertical reducing motor 2521, driving gear 2522 and follower gear 2523.Described vertical reducing motor 2521 is located on the base 251 and with base 251 and is fixedly connected with, described driving gear 2522 is intermeshing with follower gear 2523, wherein, described driving gear 2522 is connected with the output revolving shaft of vertical reducing motor 2521, described follower gear 2523 is sheathed on the X-ray detector 23, and be fixedly connected with X-ray detector 23, drive driving gears 2522 by vertical reducing motor 2521 and rotate around follower gear 2523, rotate around X-ray detector 23 thereby drive base 251.When X-ray detector rotated, described vertical reducing motor 2521 rotated with base 251 at base 251.Connection for convenient vertical reducing motor 2521, be provided with conducting slip ring 258 at described X-ray detector, the slip ring 2582 of this conducting slip ring 258 is fixed on the X-ray detector, the brush 2581 of this conducting slip ring is fixed on the transport platform 25, and described vertical reducing motor 2521 is connected with power supply by this conducting slip ring 258.In addition, for safety, can at the drive unit 252 outer containment vessels 259 that arrange, output terminal, driving gear 2522 and the follower gear 2523 of vertical reducing motor 2521 be located in the containment vessel 259.
Consider that motor vehicle 10 can be in rugged pavement behavior work, the present invention is provided with self-level(l)ing device 30.As shown in Figure 1, described self-level(l)ing device 30 comprises four lifting jack 31 and horizontal controller 32, wherein, four lifting jack 31 are contained in the place, four angles of bottom, 11 chassis, compartment, horizontal controller 32 is located in the compartment 11, can be located in the inspection chamber 11A, also can be located in the 11B of pulpit.Described lifting jack 31 can be that motor-driven jack 31 also can be hydraulic jack 31, and when being motor-driven jack 31, each motor-driven jack 31 has two to follow power lead to link to each other with horizontal controller 32.In the described horizontal controller 32 electrolevel is arranged, this electrolevel is general level meter, and it can be condenser type or inductance type etc.Described self-level(l)ing device 30 can be adjusted to horizontality with the car body that is stopped at the motor vehicle 10 of any uneven road surface.
During vehicular X ray Whole Body perspective safety check system work of the present invention, vehicle is sailed into after the field of employment comes to a complete stop, at first open self-level(l)ing device 30,4 lifting jack 31 descend and contact to earth, car body is propped, horizontal controller 32 is automatically regulated and is made the car body level, then opens the X-ray scanning imaging system.Such as Fig. 5, shown in Figure 6, the double door of examinee behind the compartment enters the compartment, climb up transport platform 25, be sitting on the seat 253, and both hands are put on the handrail 254, both feet are put on the pedal 255, so that both arms and both legs are forced to open, trunk and four limbs form the approximate arc centered by the X detector; After the examinee occupies stably, opening drive unit 252 makes base 251 around the X sonde rotary, thereby make the examinee change covering of the fan type beam over to and accept scanning, X-ray detector receives through the sitting posture fluoroscopy images that forms Whole Body behind the X ray of human body, and the non-human body organ-tissue foreign matter of concealing in inside and outside the human body is covered all at one glance in visual fluoroscopy images.The present invention is because making the human body acceptance scanning that is seated, and make the human body open surface to X-ray detector, it has not only realized the optimum scanning effect, also greatly shortened the height of X-ray detector, existing check system car body too high, travel inconvenience and the necessary shortcoming that is equipped with special vehicle have been solved, thereby can satisfy the needs of the safety inspection of flowing, both reduce system's manufacturing cost, enlarge again range of application.
Embodiment 2
The structure of present embodiment is substantially with embodiment 1, difference is drive unit 252, as shown in Figure 4, in the present embodiment, described drive unit 252 is outer rotor 2524 motors, its rotor 2524 is set in stator 2525 peripheries, and described stator 2525 is socketed on the X-ray detector 23, and is fixedly connected with X-ray detector 23; Described rotor 2524 is fixedly connected with base 251.During energising, rotor 2524 rotations directly drive transport platform 25 and rotate around X-ray detector.Use outer rotor 2524 motors as drive unit 252 in the present embodiment, its required outer rotor 2524 Motor torques are larger, but it is simple in structure, is easier to implement.
Embodiment 3
The structure of present embodiment is substantially with embodiment 1, and difference is, such as Fig. 7, shown in Figure 8, be provided with two seats 253 at described base 251, four handrails 254, four pedals 255, described seat 253 is distinguished just facing to X-ray detector 23, and along X-ray detector 23 symmetries; Described handrail 254 and pedal 255 are located at respectively side the place ahead of seat 253, and are symmetrically set in the both sides of X-ray detector 23.Certainly, the drive unit in the present embodiment 252 also can be selected the drive unit 252 among the embodiment 2.In the present embodiment, two seats 253 are set, can improve checking efficiency, when previous examinee's scanning is finished, next examinee can directly climb up with the former symmetrical seat on, then change covering of the fan type beam over to and accept scanning, can save the time of transport platform 25 half cycle idle motions, thereby improve checking efficiency.
Although by above embodiment the present invention is disclosed, protection scope of the present invention is not limited to this, is not departing under the condition of the present invention design, and the distortion that above each member is done, replacement etc. all will fall in the claim scope of the present invention.
Claims (10)
1. a vehicular X ray Whole Body is had an X-rayed safety check system, comprise motor vehicle (10) and be arranged on the interior X-ray scanning imaging system (20) of motor vehicle (10), described X-ray scanning imaging system (20) comprises x ray generator (21), X ray is constrained to the collimating components (22) of covering of the fan type beam, receive the X-ray detector (23) of X ray, control device (24) and carry the steadily transport platform (25) by the X-ray scanning district of tested person, it is characterized in that, described transport platform (25) comprises the base (251) that rotates around X-ray detector (23), described base (251) is provided with the seat (253) of taking for the examinee, place the handrail (254) of examinee's both hands and the pedal (255) of placement examinee both feet, described seat (253) is just facing to X-ray detector (23), described handrail (254) and pedal (255) are located at respectively the both sides of X-ray detector (23), when scanning, the examinee is seated on the seat, the both hands both feet place respectively on handrail and the pedal, make the both hands both feet open acceptance scanning.
2. vehicular X ray Whole Body as claimed in claim 1 is had an X-rayed safety check system, it is characterized in that, upside or downside at base (251) are provided with the drive unit (252) that driving base (251) rotates around X-ray detector (23), and described drive unit (252) is connected with base (251) and X-ray detector (23).
3. vehicular X ray Whole Body as claimed in claim 2 is had an X-rayed safety check system, it is characterized in that, described drive unit (252) comprises is located at the upper and vertical reducing motor (2521) affixed with base (251) of base (251), intermeshing driving gear (2522) and follower gear (2523), described driving gear (2522) is connected with the output revolving shaft of vertical reducing motor (2521), described follower gear (2523) is sheathed on the X-ray detector (23), and be fixedly connected with X-ray detector (23), drive driving gear (2522) by vertical reducing motor (2521) and rotate and drive base (251) and rotate around X-ray detector (23) around follower gear (2523).
4. vehicular X ray Whole Body as claimed in claim 3 is had an X-rayed safety check system, it is characterized in that, described drive unit (252) also comprises conducting slip ring (258), the slip ring (2582) of described conducting slip ring (258) is fixed on the X-ray detector (23), the brush of described conducting slip ring (2581) is fixed on the transport platform (25), and described vertical reducing motor (2521) is connected with power supply by this conducting slip ring (258).
5. vehicular X ray Whole Body as claimed in claim 2 is had an X-rayed safety check system, it is characterized in that, described drive unit (252) is outer rotor (2524) motor, its rotor (2524) is set in stator (2525) periphery, described stator (2525) is socketed on the X-ray detector (23), and is fixedly connected with X-ray detector (23); Described rotor (2524) is fixedly connected with base (251).
6. such as claim 3 or 5 arbitrary described vehicular X ray Whole Body perspective safety check systems, it is characterized in that, be connected with roller (256) on the bottom surface of described base (251).
7. vehicular X ray Whole Body as claimed in claim 6 is had an X-rayed safety check system, it is characterized in that, described base (251) is provided with connecting hole, be provided with rolling bearing (257) in the connecting hole, the end, lower end of described X-ray detector (23) is located in this connecting hole, the interior ring (2571) of described rolling bearing (257) is sheathed on the X-ray detector (23), and affixed with motor vehicle (10) ground, compartment, the outer shroud (2572) of described rolling bearing (257) is affixed with base (251).
8. vehicular X ray Whole Body as claimed in claim 7 is had an X-rayed safety check system, it is characterized in that, described seat (253) is two, it is symmetricly set in X-ray detector (23) both sides, the place ahead, both sides of each seat (253) respectively is provided with two handrails (254) and pedal (255), and is symmetrical arranged with X-ray detector (23).
9. such as claim 1 or 8 arbitrary described vehicular X ray Whole Body perspective safety check systems, it is characterized in that, described motor vehicle (10) comprises compartment (11), be separated into inspection chamber (11A) and pulpit (11B) two parts by fender wall (12) in the compartment (11), the image acquisition of X-ray scanning imaging system and treating apparatus (25) and control device (24) are arranged in the pulpit (11B), and x ray generator (21), X-ray detector (23), collimating components (22) and transport platform (25) are arranged in the inspection chamber (11A); Described fender wall (12) is made by stereotype, lead glass or plumbous rubber, is provided with the double door that passes in and out the compartment for the tested person at described compartment (11) rear wall.
10. vehicular X ray Whole Body as claimed in claim 9 is had an X-rayed safety check system, it is characterized in that, be provided with self-level(l)ing device (30) at described motor vehicle (10), this self-level(l)ing device (30) comprises four electronic or hydraulic jack (31) and horizontal controllers (32), wherein, four electronic or hydraulic jack (31) are fixedly mounted on the place, four angles of bottom, chassis, compartment (11), horizontal controller 32(32) be located in the inspection chamber (11A) or pulpit (11B) of compartment (11).
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| CN201310259546.4A CN103353615B (en) | 2013-06-26 | 2013-06-26 | Vehicular X ray Whole Body perspective safety check system |
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| CN201310259546.4A CN103353615B (en) | 2013-06-26 | 2013-06-26 | Vehicular X ray Whole Body perspective safety check system |
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| CN103353615B CN103353615B (en) | 2016-01-20 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106645224A (en) * | 2016-12-26 | 2017-05-10 | 同方威视技术股份有限公司 | Security inspection equipment and method |
| CN113552642A (en) * | 2020-04-26 | 2021-10-26 | 清华大学 | Vehicle-mounted safety detection system and vehicle-mounted safety detection method |
| CN115144924A (en) * | 2021-03-30 | 2022-10-04 | 同方威视技术股份有限公司 | Multi-cabin door structure for multifunctional vehicle-mounted security check system and multifunctional vehicle-mounted security check system |
| CN115144922A (en) * | 2021-03-30 | 2022-10-04 | 同方威视技术股份有限公司 | Vehicle-mounted security inspection system |
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| CN102657537A (en) * | 2012-04-28 | 2012-09-12 | 深圳黎明镒清图像技术有限公司 | Movable X-ray human body whole safety inspection system |
| CN202654151U (en) * | 2012-04-28 | 2013-01-09 | 深圳黎明镒清图像技术有限公司 | Movable X-ray whole human body safety examination system |
| CN202875357U (en) * | 2012-11-06 | 2013-04-17 | 北京国药恒瑞美联信息技术有限公司 | Outdoor-vehicle-mounted whole-body X-ray scanning front-side position synchronous imaging device |
| CN203433127U (en) * | 2013-06-26 | 2014-02-12 | 深圳黎明镒清图像技术有限公司 | Full body perspective security inspection device |
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| CN106645224A (en) * | 2016-12-26 | 2017-05-10 | 同方威视技术股份有限公司 | Security inspection equipment and method |
| CN113552642A (en) * | 2020-04-26 | 2021-10-26 | 清华大学 | Vehicle-mounted safety detection system and vehicle-mounted safety detection method |
| CN115144924A (en) * | 2021-03-30 | 2022-10-04 | 同方威视技术股份有限公司 | Multi-cabin door structure for multifunctional vehicle-mounted security check system and multifunctional vehicle-mounted security check system |
| CN115144922A (en) * | 2021-03-30 | 2022-10-04 | 同方威视技术股份有限公司 | Vehicle-mounted security inspection system |
| CN115144922B (en) * | 2021-03-30 | 2023-08-04 | 同方威视技术股份有限公司 | Vehicle-mounted security inspection system |
| CN115144924B (en) * | 2021-03-30 | 2023-10-03 | 同方威视技术股份有限公司 | Multi-cabin door structure for multifunctional vehicle-mounted security inspection system and multifunctional vehicle-mounted security inspection system |
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