CN103353615B - Vehicular X ray Whole Body perspective safety check system - Google Patents
Vehicular X ray Whole Body perspective safety check system Download PDFInfo
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- CN103353615B CN103353615B CN201310259546.4A CN201310259546A CN103353615B CN 103353615 B CN103353615 B CN 103353615B CN 201310259546 A CN201310259546 A CN 201310259546A CN 103353615 B CN103353615 B CN 103353615B
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- 238000007689 inspection Methods 0.000 claims abstract description 21
- 238000003384 imaging method Methods 0.000 claims abstract description 13
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- 230000002093 peripheral effect Effects 0.000 claims description 3
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- 238000001514 detection method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
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- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002594 fluoroscopy Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000002414 leg Anatomy 0.000 description 2
- 210000000689 upper leg Anatomy 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
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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
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Abstract
A kind of vehicular X ray Whole Body perspective safety check system, comprise motor vehicle and be arranged on the X-ray scanning imaging system in motor vehicle, described X-ray scanning imaging system comprises x ray generator, collimating components, X-ray detector, control device and the transport platform checked with sitting posture for human body rotated around X-ray detector, transport platform is provided with seat, handrail and pedal, force examinee's both hands, both feet open and accept scanning with sitting posture, not only achieve optimum scanning effect, also substantially reduce the height of X-ray detector, effectively overcome the problem that existing human body security check system can not meet mobility safety inspection completely.The present invention can be applicable to way-train, and can reduce costs, and expands range of application.The present invention is particularly suitable for as fixed-site ordinary person does not provide general inspection safely and effectively, easy to implement.
Description
[technical field]
The present invention relates to safety inspection is carried out in the unfixed confidential places such as the frontier defense sentry post for flowing, important meeting-place, museum equipment to discrepancy personnel, particularly relating 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, strike to this type of criminal activity and strick precaution dynamics are constantly strengthened in countries in the world, such as strengthen the safety check of the important place such as airport and customs, and at the rays safety detection apparatus etc. of the gateway of various fixing important department configuration human body and row bag.But in many unfixed confidential places, also substantially blank is in the equipment that discrepancy personnel carry out noncontact safety check.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, the selective examination of upper body perspective is carried out to the personnel passed through in the place reaching needs at any time, prevents from carrying with contraband goods, particularly concealing drugs clearance in vivo.The distinct disadvantage of this equipment is its X-ray detector is large-area flat detector, its X ray launched is then cone-shaped, and be radiated at whole detector plane, therefore radiation dose is quite large, suitable with medical Chest X-rays X-ray machine, have comparatively major injury to the health of human body of detected person, therefore it can only be used for carrying out limited selective examination to indivedual emphasis suspect, and can not carry out general inspection to general population.In addition, because examinee and transmitter fix, can only upper half of human body be checked through, 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, have recently emerged the rays safety detection apparatus technical scheme that a kind of covering of the fan type X-ray beam scans Whole Body, although it considerably reduces radiation dose, the platform that tested person must stand on rectilinear movement is checked.This is because this covering of the fan type X ray detection scheme requires that the incident angle of X ray is little as much as possible, so as in human body through thickness little as far as possible.If human body is seated, thigh is bent, then, when being scanned across thigh from fore-and-aft direction, retouching and sweep thickness large especially (because can scan along large leg axis), and obtain scan image as dark as a stack of black cats, thus scan image clearly cannot be obtained.To obtain scanning patter clearly, X ray must be made to scan along the direction that human body is the thinnest, this employing of just having to posture of standing scans.And the mode scanned is carried out for this stance that need adopt, if covering of the fan type X ray will be allowed from the crown to scan sole, the length so receiving the detector of X ray then must, considerably beyond the height of people, be launched to reach more than 2.5 meters.For conventional vehicle car, it cannot meet the installation requirement of so high spatial; And according to special vehicle, height can meet the installation requirement of detector, it can make again car body height overall exceed standard, and causes it to be very restricted in highway communication driving process, thus cannot be widely used.Therefore, up to now, the personnel that can be applicable to conceal the inside and outside of revocable important place contraband goods are not also had to carry out the effective of general inspection and the equipment of use safety in the world.
[summary of the invention]
The present invention is intended to solve the problem, and provide a kind of moveable, for unfixed important place, body scan is carried out to ordinary person, and radiation dose is low, scanning patter clearly, can meet mobility safety check vehicular X ray Whole Body perspective safety check system.
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 X-ray scanning imaging system in 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 conveying tested person smoothly pass the transport platform in X-ray scanning district, it is characterized in that, described transport platform comprises the base rotated around X-ray detector, described base is provided with the seat taken for examinee, place the handrail of examinee's both hands and place the pedal of examinee's both feet, described seat is just facing to X-ray detector, the both sides of X-ray detector are located at respectively by described handrail and pedal, when scanning, examinee is seated on seat, towards detector, both hands both feet are placed on handrail and pedal respectively, both hands both feet are opened and be that sitting posture accepts scanning.
Be provided with the drive unit driving base to rotate around X-ray detector in the upside of base or downside, described drive unit is connected with base and X-ray detector.
Described drive unit comprises to be located on base and the vertical reducing motor affixed with base, intermeshing driving gear and follower gear, described driving gear is connected with the output revolving shaft of vertical reducing motor, described follower gear is sheathed on X-ray detector, and be fixedly connected with X-ray detector, drive driving gear to rotate around follower gear by vertical reducing motor and drive base to rotate around X-ray detector.
Another structure of described drive unit is external rotor electric machine, and its rotor is set in stator peripheral, and described stator sleeve is connected on X-ray detector, and is fixedly connected with X-ray detector; Described rotor is fixedly connected with base.
The bottom surface of described base is connected with roller.
Described base is provided with connecting hole, be provided with rolling bearing in connecting hole, the lower end of described X-ray detector is located in this connecting hole, and described rolling bearing inner ring sleeve is located on 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 set to two, and it is symmetricly set in X-ray detector both sides, and the front, side of each seat is respectively provided with two handrails and pedal, and is symmetrical arranged with X-ray detector.
Described motor vehicle comprises compartment, inspection chamber and pulpit two parts are separated into by fender wall in compartment, the image variants device of X-ray scanning imaging system and control device are arranged in pulpit, and x ray generator, X-ray detector, collimating components and transport platform are arranged in inspection chamber; Described fender wall stereotype, lead glass or plumbous rubber are made, and described compartment rear wall is provided with the double door passing in and out compartment for tested person.
Described motor vehicle is provided with self-level(l)ing device, this self-level(l)ing device comprises four electronic or hydraulic jack and horizontal controller, wherein, four electronic or hydraulic jack are fixedly mounted on four angles place of carriage chassis bottom, in the inspection chamber that horizontal controller is located at compartment or pulpit.
Contribution of the present invention is, it effectively overcomes the problem that existing human body security check system can not meet mobility safety inspection needs completely.The present invention is by arranging transport platform, and seat, handrail and pedal are set in transport platform, examinee can be seated acceptance scanning, and health open surface is to X-ray detector, not only achieve optimum scanning effect, also substantially reduce the height of X-ray detector, the present invention is made to can be applicable to way-train, meet the needs of mobility safety inspection, and can reduce costs, expand range of application.The present invention have radiation dose low, body scan, rotatable can be realized, do not affect the features such as examinee is healthy, be particularly suitable for as fixed-site ordinary person does not provide general inspection safely and effectively, easy to implement.
[accompanying drawing explanation]
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 present invention 1.
Fig. 4 is the longitudinal sectional view of the transport platform of the embodiment of the present 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 present invention 3.
Fig. 8 is the partial structurtes vertical view cutaway drawing of the embodiment of the present invention 3.
[embodiment]
The following example is to further explanation of the present invention and supplements, and does not constitute any limitation the present invention.
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 for being similar to the universal machine motor-car 10 of ambulance, it comprises headstock, compartment and chassis, and be separated into inspection chamber 11A and pulpit 11B two parts by fender wall 12 in described compartment 11, compartment rear wall is provided with the double door passing in and out compartment for tested person.Described fender wall 12 stereotype, lead glass or plumbous rubber are made, and it can prevent X ray from penetrating, to ensure staff in the 11B of pulpit by the radiation of X ray.
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 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 inspection chamber 11A, and for making X ray form the injection of thin covering of the fan type beam by narrow slit, it can be known collimating components 22.Described X-ray detector is located in inspection chamber 11A, and it is fixing with on bottom surface, compartment, for receiving X ray, its shell is column, its cylindrical shell is provided with some small probe units, as X ray sensors such as silicon photodiodes, it can accept X ray and also produce the electric signal be directly proportional to radiation intensity.Described control module is located at pulpit 11B, and it is known X-ray scanning imaging control module.The connection of described x ray generator 21, collimating components 22, X-ray detector 23 and control device 24 is arranged, can with reference to known technology, in this example, as shown in Figure 1 and Figure 2, described x ray generator 21 is connected with collimating components 22, and 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 for accepting scanography for examinee with sitting posture, and it is located in inspection chamber 11A.As shown in Figure 3, described transport platform 25 comprises the base 251 rotated around X-ray detector 23 and the drive unit 252 driving base rotation.Described base 251 is provided with the seat 253 taken for examinee, the handrail 254 placing examinee's both hands and places the pedal 255 of 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, the both sides of X-ray detector 23 are located at respectively by described handrail 254 and pedal 255, for forcing examinee's both hands both feet to open, and receiving scanning in sitting posture, being beneficial to and obtaining scan image clearly.Described base 251 is tabular body, and which is provided with the circular connecting hole as dead eye, be provided with rolling bearing 257 in connecting hole, the size of this rolling bearing 257 is mated with the housing diameter of X-ray detector, for connecting the end of X-ray detector.The inner 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.The bottom surface of base 251 is connected with roller 256, for base for supporting 251, is also beneficial to base 251 simultaneously and rotates around X-ray detector 23.As shown in Figure 3, shown drive unit 252 is located on base 251, rotates around X-ray detector 23 for driving base 251.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 to be located on base 251 and to be fixedly connected with base 251, described driving gear 2522 engages each other 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 X-ray detector 23, and be fixedly connected with X-ray detector 23, drive driving gear 2522 to rotate around follower gear 2523 by vertical reducing motor 2521, thus drive base 251 to rotate around X-ray detector 23.When base 251 rotates around X-ray detector, described vertical reducing motor 2521 rotates with base 251.For convenience of the connection of vertical reducing motor 2521, described X-ray detector is provided with conducting slip ring 258, the slip ring 2582 of this conducting slip ring 258 is fixed on X-ray detector, the brush 2581 of this conducting slip ring is fixed in transport platform 25, and described vertical reducing motor 2521 is connected with power supply by this conducting slip ring 258.In addition, for safety, containment vessel 259 can be set outside drive unit 252, the output terminal of vertical reducing motor 2521, driving gear 2522 and follower gear 2523 are located in containment vessel 259.
Consider that motor vehicle 10 can work in rugged pavement behavior, 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 four angles place of bottom, chassis, compartment 11, horizontal controller 32 is located in compartment 11, can be located in inspection chamber 11A, also can be located in the 11B of pulpit.Described lifting jack 31 can be motor-driven jack 31 also can be hydraulic jack 31, and when for motor-driven jack 31, each motor-driven jack 31 has two to be connected with horizontal controller 32 with power lead.Have electrolevel in described horizontal controller 32, this electrolevel is general level instrument, and it can be condenser type or inductance type etc.The car body of the motor vehicle 10 being stopped at any uneven road surface can be adjusted to horizontality by described self-level(l)ing device 30.
During vehicular X ray Whole Body perspective safety check system work of the present invention, vehicle is sailed into after field of employment comes to a complete stop, first self-level(l)ing device 30 is opened, 4 lifting jack 31 decline and contact to earth, car body is propped, horizontal controller 32 automatically regulates and makes car body level, then opens X-ray scanning imaging system.As shown in Figure 5, Figure 6, examinee enters compartment from the double door behind compartment, climb up transport platform 25, be sitting on seat 253, and both hands are put on handrail 254, both feet are put on pedal 255, make both arms and both legs be forced to open, and trunk and four limbs form an approximate arc centered by X detector; After examinee occupies stably, opening drive unit 252 makes base 251 around X sonde rotary, thus make examinee proceed to covering of the fan type beam to accept scanning, X-ray detector forms the sitting posture fluoroscopy images of Whole Body after receiving the X ray through human body, the non-human organ-tissue foreign matter concealed inside and outside human body is covered all at one glance in visual fluoroscopy images.The present invention to be seated acceptance scanning because making human body, and make human body open surface to X-ray detector, it not only achieves optimum scanning effect, also substantially reduce the height of X-ray detector, solve existing check system car body too high, travel inconvenience and the shortcoming of special vehicle must be equipped with, thus the needs of flowing safety inspection can be met, both reduce system manufacturing cost, expand range of application again.
Embodiment 2
The structure of the 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 motor, it is peripheral that its rotor 2524 is set in stator 2525, and described stator 2525 is socketed on 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 rotates and directly drives transport platform 25 to rotate around X-ray detector.Use outer rotor 2524 motor as drive unit 252 in the present embodiment, outer rotor 2524 Motor torque needed for it is comparatively large, but its structure is simple, is easier to implement.
Embodiment 3
The structure of the present embodiment is substantially with embodiment 1, and difference is, as shown in Figure 7, Figure 8, described base 251 is provided with two seats 253, four handrails, 254, four pedals 255, described seat 253 is distinguished just facing to X-ray detector 23, and symmetrical along X-ray detector 23; The front, side of seat 253 is located at respectively by described handrail 254 and pedal 255, and is symmetrically set in the both sides of X-ray detector 23.Certainly, the drive unit 252 in the present embodiment also can select the drive unit 252 in embodiment 2.In the present embodiment, two seats 253 are set, checking efficiency can be improved, when previous examinee has been scanned, next examinee can directly climb up on the seat symmetrical with the former, then proceed to covering of the fan type beam and accept scanning, the time of transport platform 25 half cycle idle motion can be saved, thus improve checking efficiency.
Although by above embodiment to invention has been announcement, protection scope of the present invention is not limited thereto, under the condition not departing from the present invention's design, all will fall in right of the present invention the distortion, replacement etc. that above each component does.
Claims (6)
1. a vehicular X ray Whole Body perspective safety check system, comprise motor vehicle (10) and be arranged on the X-ray scanning imaging system (20) in 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 conveying tested person smoothly pass the transport platform (25) in X-ray scanning district, it is characterized in that, described transport platform (25) comprises the base (251) rotated around X-ray detector (23), the drive unit (252) driving base (251) to rotate around X-ray detector (23) is provided with in the upside of base (251) or downside, described drive unit (252) is connected with base (251) and X-ray detector (23), described drive unit (252) comprises is located at upper and affixed with base (251) the vertical reducing motor (2521) 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 X-ray detector (23), and be fixedly connected with X-ray detector (23), drive driving gear (2522) to rotate around follower gear (2523) by vertical reducing motor (2521) and drive base (251) to rotate around X-ray detector (23), described drive unit (252) is outer rotor (2524) motor, it is peripheral that its rotor (2524) is set in stator (2525), described stator (2525) is socketed on X-ray detector (23), and be fixedly connected with X-ray detector (23), described rotor (2524) is fixedly connected with base (251), described base (251) is provided with the seat (253) taken for examinee, place the handrail (254) of examinee's both hands and place the pedal (255) of examinee's both feet, the bottom surface of described base (251) is connected with roller (256), described seat (253) is just facing to X-ray detector (23), the both sides of X-ray detector (23) are located at respectively by described handrail (254) and pedal (255), when scanning, examinee is seated on seat, both hands both feet are placed on handrail and pedal respectively, both hands both feet are made to open acceptance scanning.
2. vehicular X ray Whole Body perspective safety check system as claimed in claim 1, 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 X-ray detector (23), the brush (2581) of described conducting slip ring is fixed in transport platform (25), and described vertical reducing motor (2521) is connected with power supply by this conducting slip ring (258).
3. vehicular X ray Whole Body perspective safety check system as claimed in claim 1, it is characterized in that, described base (251) is provided with connecting hole, rolling bearing (257) is provided with in connecting hole, the lower end of described X-ray detector (23) is located in this connecting hole, the inner ring (2571) of described rolling bearing (257) is sheathed on 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).
4. vehicular X ray Whole Body perspective safety check system as claimed in claim 3, it is characterized in that, described seat (253) is two, it is symmetricly set in X-ray detector (23) both sides, the front, both sides of each seat (253) is respectively provided with two handrails (254) and pedal (255), and is symmetrical arranged with X-ray detector (23).
5. vehicular X ray Whole Body perspective safety check system as claimed in claim 1, it is characterized in that, described motor vehicle (10) comprises compartment (11), inspection chamber (11A) and pulpit (11B) two parts are separated into by fender wall (12) in compartment (11), the image variants device (25) of X-ray scanning imaging system and control device (24) are arranged in pulpit (11B), x ray generator (21), X-ray detector (23), collimating components (22) and transport platform (25) are arranged in inspection chamber (11A), described fender wall (12) is made up of stereotype, lead glass or plumbous rubber, and described compartment (11) rear wall is provided with the double door passing in and out compartment for tested person.
6. vehicular X ray Whole Body perspective safety check system as claimed in claim 5, it is characterized in that, described motor vehicle (10) is provided with self-level(l)ing device (30), this self-level(l)ing device (30) comprises four electronic or hydraulic jack (31) and horizontal controller (32), wherein, four electronic or hydraulic jack (31) are fixedly mounted on four angles place of compartment (11) bottom, chassis, in the inspection chamber (11A) that horizontal controller 32 (32) is located at compartment (11) or pulpit (11B).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310259546.4A CN103353615B (en) | 2013-06-26 | 2013-06-26 | Vehicular X ray Whole Body perspective safety check system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310259546.4A CN103353615B (en) | 2013-06-26 | 2013-06-26 | Vehicular X ray Whole Body perspective safety check system |
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| CN103353615A CN103353615A (en) | 2013-10-16 |
| CN103353615B true CN103353615B (en) | 2016-01-20 |
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| CN201310259546.4A Expired - Fee Related CN103353615B (en) | 2013-06-26 | 2013-06-26 | Vehicular X ray Whole Body perspective safety check system |
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Families Citing this family (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 |
| 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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| US7505556B2 (en) * | 2002-11-06 | 2009-03-17 | American Science And Engineering, Inc. | X-ray backscatter detection imaging modules |
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| EP2204783A1 (en) * | 2008-12-31 | 2010-07-07 | Thales | Security system comprising sensors in a corridor for uncovering hazardous items |
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