CN103558645A - Radiation scanning and detecting device for small and medium size vehicles - Google Patents
Radiation scanning and detecting device for small and medium size vehicles Download PDFInfo
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- CN103558645A CN103558645A CN201310576613.5A CN201310576613A CN103558645A CN 103558645 A CN103558645 A CN 103558645A CN 201310576613 A CN201310576613 A CN 201310576613A CN 103558645 A CN103558645 A CN 103558645A
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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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- 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
- G01V5/232—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays having relative motion between the source, detector and object other than by conveyor
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Abstract
The invention relates to a radiation scanning and detecting device for small and medium size vehicles. The radiation scanning and detecting device for the small and medium size vehicles comprises a door frame, a radiation source, a detector, a supporting platform, a conveyer support, a circulation drag unit, a vehicle wheel guide unit and a hanging bridge unit. The method of the radiation scanning and detecting device for the small and medium size vehicles has the advantages that a top illuminate radiation source U-type detector arrangement mode is adopted, the flattening radiation detection relative to the vehicles is achieved, and image quality is improved effectively; detectors with high sensitivity are adopted, image resolution can achieve the level of package detection, and a security check inspector can identify guns, knives, explosive assemblies and other forbidden objects conveniently; a double-energy detection technology is adopted to detect the material characteristics of the articles inside the vehicles, the fact that the security check inspector can identify flammable and combustible dangerous goods is facilitated; trundles and foot margins are designed and mounted on vehicle conveying devices and check channels, equipment is convenient to mount, debug and move, non-fixed type mounting with the ground is achieved, and the floor of a site cannot be damaged.
Description
Technical field
The present invention relates to a kind of radiation scanning pick-up unit, relate in particular to a kind of middle-size and small-size vehicle radiating scanning detection apparatus.
Background technology
X-ray scanning checks that technique device is that the important departments such as customs, airport, station carry out the necessary checkout equipment of safety inspection to personnel and article, and usually, this device comprises radiation source, detector assembly and conveyor.When described device is used for vehicle inspection, the feature of one class vehicle inspection device is that side is according to formula, and tested vehicle is motionless, adopt track or the mode such as vehicle-mounted that radiation source and detector assembly are moved along tested vehicle vehicle commander direction, radiation source and detector assembly adopt the modes such as cantilever to connect during this time, to keep relative position constant; The feature of an other class vehicle inspection device is that radiation source and detector assembly maintain static, by special vehicle transportation device, drag vehicle through sense channel, make it accept the flying spot being sent by radiation source, detector assembly receives the ray that sees through vehicle simultaneously, to reach the object of article in identification inspection trolley.
For checking that target is in the contained casing of box vehicle during object, side can well complete safety check task according to pick-up unit, and vehicle body and casing image are separated naturally, and identification is high.And check when target is middle-size and small-size vehicle, when side is shone pick-up unit imaging, each image of component stack is difficult to identification.And top matches according to formula transmission direction and body structure, the vehicle perspective high-definition image that can form, clearly differentiates hiding dangerous goods and explosive release in car for Security Personnel.
Dual intensity Detection Techniques are that each piece of detector panel adopting all includes low energy detection channels and high energy detection channels.High energy and low energy photodiode crystal array absorb different X-ray energy spectrums, convert to can be processed low current signal; Because the density of object is different with thickness, also different to the attenuation degree of X ray, so the electric signal power converting to is also different.Therefore, different strong and weak electric signal form the picture signal of different gray scales after treatment, therefore can realize the material discrimination of article.
Chinese Patent Application No. a kind of collection loading truck/vehicle inspection equipment of capable of regulating radiation ray angle that has been 200320100453.9 Patent Application Publication, comprise: be arranged on the detector jib that detector is housed in scan channel, collimating apparatus two is examined collection loading truck/vehicle by the actuator of scan channel with carrying, and the accelerator frame that accelerator is housed, the ray of accelerator is over against corrector and the collimating apparatus one of placing successively, collimating apparatus one over against collimating apparatus two cone type X-ray that accelerator sends is regulated be transformed to fan-shaped after, through checked property, by the detector in detector jib, received, it is characterized in that, described accelerator frame is by level(l)ing mechanism, vertical governor motion, revolving and adjusting mechanism, pitching adjusting mechanism and by base, perpendicular arm, the frame that curved framework and cantilever form forms, level(l)ing mechanism is connected with base, can make base seesaw as level, vertically governor motion is arranged in and base perpendicular arm connected vertically, can make curved framework do vertical up-or-down movement, revolving and adjusting mechanism curved framework horizontal ends and with the cantilever being connected below it between can make cantilever rotate, pitching adjusting mechanism is arranged on the bottom of cantilever, the coaxial intersection point place of accelerator by twisted axis and cantilever and pitching adjusting mechanism be hinged to be made hinged with pitching adjusting mechanism and is placed on the accelerator luffing on base.
Chinese Patent Application No. has been 03266807.4 the Patent Application Publication modular collection loading of a kind of physical construction thing/vehicle inspection device, comprising: radiate source radiation source, detector and each relevant control module.Its design feature is that radiation source is placed in radiation source cabin, and is connected with the collimating apparatus jib that collimating apparatus is housed by transition chamber.Detector is placed in anyhow in detector jib, and collimating apparatus jib is connected by horizontal beam with perpendicular detector jib and forms scan channel.Collimating apparatus jib and perpendicular detector jib inner side are provided with barrier shield.The base of radiation source cabin, transition chamber, collimating apparatus jib, perpendicular detector jib, barrier shield is all fixed with ground, described each relevant control module is located at respectively in radiation source cabin, horizontal detector jib and perpendicular detector jib, in radiation source cabin, the ray of radiation source is over against the detector in horizontal detector jib and perpendicular detector jib, detector receives the X ray through measured object from radiation source, realizes autoscan, electric signal output.
Above-mentioned disclosed two kinds of patents are still deposited defect in the following areas: described vehicle radiating safety detection device is that fixed side is according to pick-up unit, when centering dilly carries out safety inspection, direction of scanning is the generous direction of vehicle, causes each image of component stack, affects identification.In prior art; Vehicle safety check apparatus adopts roller mode of movement in addition, and tested vehicle need to be placed on a pallet and carry, and can not realize continuous conveying, and transfer efficiency is lower.
At present, in the occasion in city and emphasis place, in the urgent need to a kind of removable, quick assembling, high-resolution, detect rapidly the high-performance Security Inspection Equipments of various middle-size and small-size vehicles.
Summary of the invention
The technical problem to be solved in the present invention is the defect that overcomes prior art, and a kind of middle-size and small-size vehicle radiating scanning detection apparatus that overcomes above-mentioned technical matters is provided.
In order to solve the problems of the technologies described above, the technical scheme of a kind of middle-size and small-size vehicle radiating scanning detection apparatus of the present invention is as follows:
A kind of middle-size and small-size vehicle radiating scanning detection apparatus, comprise: door frame, radiation source, detector, support platform, conveyer bridge, circulation drags unit, wheel pilot unit, suspension bridge unit, described radiation source, detector is connected with door frame, described radiation source is arranged at door frame top, detector is arranged at door frame bottom and both sides, described conveyer bridge, circulation drags unit, wheel pilot unit, suspension bridge cellular installation is in support platform, described wheel pilot unit is arranged on conveyer bridge, described support platform be take top irradiation seam and is divided into two parts as separatrix, described support platform is connected and fixed under the detector of described door frame bottom, described conveyer bridge be take top irradiation seam and is divided into two parts as separatrix.
Further, described pick-up unit also comprises: inlet slope platform, terrace at entrance, export platform, outlet ramp, the step of getting on or off the bus, delivery platform, described terrace at entrance, delivery platform and export platform are arranged at same level, described inlet slope platform is connected with terrace at entrance, described outlet ramp is connected with export platform, described inlet slope platform, top, slope and the supporting surface of described delivery platform of outlet ramp are arranged at same plane, at the bottom of the slope of described inlet slope platform and outlet ramp, be arranged on ground level, the described step of getting on or off the bus is arranged at terrace at entrance and export platform one side, described delivery platform is arranged between terrace at entrance and export platform, described each inlet slope platform, terrace at entrance, export platform, outlet ramp, the step of getting on or off the bus, with bolts between delivery platform, bottom is all provided with castor and lower margin.
Further, described circulation drags unit and comprises: motor, speed reduction unit, power chain, power transmission chain wheel shaft, changed course sprocket wheel, changed course sprocket shaft, ring chain, drag roller, the described roller that drags is set to roll shaft and roller two parts, described roll shaft two ends connect respectively ring chain, described roller is free to rotate, described in drag roller both sides and have the gathering sill lower than tested vehicle chassis.
Further, described suspension bridge unit comprises bridge plate and spring assembly, is positioned at the junction of terrace at entrance and the delivery platform of described vehicle transportation device.
Further, described radiation source is for being 250KV～300KV, the linear accelerator of 1MeV～6MeV.
Further, described radiation source is arranged as central term photograph and side photograph Double-visual angle.
Beneficial effect of the present invention is:
1, adopt top according to the U-shaped detector arrangement mode of radiation source, realized the flattening radiation detection with respect to vehicle, effectively improved picture quality.
2, adopt highly-sensitive detector, image resolution ratio can reach the rank that parcel detects, and is convenient to safety inspector and identifies gun cutter, explosive release etc. prohibited items; The material behavior that adopts article in dual intensity Detection Techniques probe vehicles, contributes to safety inspector to identify inflammable and explosive dangerous goods.
3, vehicle transportation device and the equal design and installation of inspection passage castor and lower margin, be convenient to rigging up and debugging and movement, realized and ground free-standing is installed, the unlikely ground that destorys the scene.
Accompanying drawing explanation
Be illustrated in figure 1 a kind of high-resolution side schematic view of middle-size and small-size vehicle radiating scanning detection apparatus.
Be illustrated in figure 2 a kind of central term that adopts according to the high-resolution schematic diagram of the middle-size and small-size vehicle radiating scanning detection apparatus of mode.
The circulation that is illustrated in figure 3 a kind of middle-size and small-size vehicle radiating scanning detection apparatus drags cell schematics.
Mark is as follows: get on or off the bus step, 107-door frame, 201-radiation source, 202-detector, 203-door frame, 301-gathering sill, 302-suspension bridge unit, 303-of 101-inlet slope platform, 102-terrace at entrance, 103-delivery platform, 104-export platform, 105-outlet ramp, 106-drags roller, 304-power chain, 305-ring chain, 306-conveyer bridge, 307-support platform.
Embodiment
Below in conjunction with Figure of description, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
A kind of middle-size and small-size vehicle radiating scanning detection apparatus, comprise: door frame 203, radiation source 201, detector 202, support platform 307, conveyer bridge 306, circulation drags unit (not shown), wheel pilot unit (not shown), suspension bridge unit 302, described radiation source 201, detector 202 is connected with door frame 203, described radiation source 201 is arranged at door frame 203 tops, detector 202 is arranged at door frame 203 bottoms and both sides, described conveyer bridge 306, circulation drags unit, wheel pilot unit, suspension bridge unit 302 is installed in support platform 307, described wheel pilot unit is arranged on conveyer bridge 306, described support platform 307 be take top irradiation seam (not shown) and is divided into two parts as separatrix, described support platform 307 is connected and fixed under the detector 202 of described door frame 203 bottoms, described conveyer bridge 306 be take top irradiation seam and is divided into two parts as separatrix.
Described a kind of middle-size and small-size vehicle radiating scanning detection apparatus, comprises and checks passage (not shown) and vehicle transportation device (not shown), described inspection passage comprises door frame 203, radiation source 201 and detector 202.Described vehicle transportation device comprises entrance ramp 101, terrace at entrance 102, export platform 104, outlet ramp 105, the step 106 of getting on or off the bus, delivery platform 103, described radiation scanning pick-up unit adopts X radiation source 201 and the high-resolution lines array detector 202 of 250kV medium energy, build door frame 203 and check passage, configure a set of vehicle transportation device adapting, can realize and take anti-terrorism as object, the radioscopy that carries out high definition to entering the middle-size and small-size vehicle in emphasis place fast and safely checks, formed vehicle perspective high-definition image can clearly be differentiated hiding dangerous goods and explosive release in car for safety check guard.
Described pick-up unit also comprises: inlet slope platform 101, terrace at entrance 102, export platform 104, outlet ramp 105, the step 106 of getting on or off the bus, delivery platform 103, described terrace at entrance 102, delivery platform 103 is arranged at same level with export platform 104, and described inlet slope platform 101 is connected with terrace at entrance 102, and described outlet ramp 105 is connected with export platform 104, described inlet slope platform 101, top, slope and the supporting surface of described delivery platform 103 of outlet ramp 105 are arranged at same plane, at the bottom of the slope of described inlet slope platform 101 and outlet ramp 105, be arranged on ground level, the described step 106 of getting on or off the bus is arranged at terrace at entrance 102 and export platform 104 1 sides, described delivery platform 103 is arranged between terrace at entrance 102 and export platform 104, described each inlet slope platform 101, terrace at entrance 102, export platform 104, outlet ramp 105, the step 106 of getting on or off the bus, between delivery platform 103, adopt bolt (not shown) to connect, bottom is all provided with castor (not shown) and lower margin (not shown).
Described door frame 203 is for installing radiation source 201, detector 202, with inlet slope platform 101, terrace at entrance 102, export platform 104, outlet ramp 105, the step 106 of getting on or off the bus, delivery platform 103 coordinates and allow vehicle to pass through from door frame 203, to realize the scanning to full vehicle body.
Formula is shone on the top that is designed to of described radiation source 201, is arranged at door frame 203 tops, can produce X-ray beam detected object is scanned, and wherein said radiation direction is vertical with the throughput direction of described vehicle transportation device.
Described detector 202 is positioned at door frame 203 bottoms and both sides, the detector 202 of bottom is called level detector 202, the detector 202 of both sides is called side detector 202, surveys the beam that sees through detected object by detection, can realize detected object is detected.
Thereby described inlet slope platform 101 and terrace at entrance 102 enter vehicle transportation device along throughput direction by described inlet slope platform 101 and terrace at entrance 102 for tested vehicle.
Thereby described export platform 104 and outlet ramp 105 are left vehicle transportation device along throughput direction by described export platform 104 and outlet ramp 105 for tested vehicle.
The described step 106 of getting on or off the bus lays respectively at terrace at entrance 102 and export platform 104 1 sides, can facilitate the upper and lower vehicle of driver and leave radiation area.
Described delivery platform 103 is arranged between terrace at entrance 102 and export platform 104, is divided into support platform 307 and conveyor (not shown) two parts.
The vehicle of described support platform 307 for supporting conveyor and carrying, for fear of stopping ray, the top irradiation seam of take is divided into two parts as separatrix, 20～30 millimeter of being separated by, and be connected and fixed under level detector 202.
Described circulation drags unit and comprises: motor, speed reduction unit, power chain 304, power chain 304 axles, changed course sprocket wheel, changed course sprocket shaft, ring chain 305, drag roller 303.For reducing to drag resistance, the described roller 303 that drags is set to roll shaft and roller two parts, described roll shaft two ends connect respectively ring chain 305, described roller is free to rotate, roller can prop up wheel to drive vehicle to advance, described in drag roller 303 both sides and have the gathering sill 301 lower than tested vehicle chassis.Described circulation drags unit and adopts motor, speed reduction unit to drive power chain 304, changed course sprocket shaft circulation transmission; The chain link of ring chain 305 is installed and is dragged roller 303 with ring chain 305 motions.Start circulation and drag behind unit, drag roller 303 with ring chain 305 motions, and be automatically stopped at 302 belows, suspension bridge unit, to wait for, drag tested vehicle.Tested vehicle enters delivery platform 103 from import platform by suspension bridge unit 302, drag roller 303 from bridge plate below by bridge plate jack-up, the roller that drags roller 303 props up car wd vehicle and advances, gathering sill 301 can prevent wheel sideslip, when dragging roller 303 wheel being pushed into export platform 104 place, roller departs from wheel gradually, until turn to, continues to export platform 104 motions, and be again automatically stopped at suspension bridge device below, to wait for next tested vehicle.When roller departs from wheel gradually, vehicle runs out of steam and stops, and has now detected.
Described suspension bridge unit 302 comprises bridge plate and spring assembly, be positioned at the junction of terrace at entrance 102 and the delivery platform 103 of described vehicle transportation device, spring assembly makes the bridge plate state of slinging in often, avoid the axle contact friction of bridge plate and changed course sprocket wheel, when tested vehicle enters conveyor by import platform, bridge plate is connected under pressure wheel and with delivery platform 103 mutually, and wheel is steadily sailed into; Bridge plate recovers to sling state afterwards; Drag simultaneously roller 303 can be from bridge plate below by bridge plate jack-up with by bridge plate, making to drag roller 303 can shuttling movement, to other vehicles to be checked are realized to continuous review.
Described radiation source 201 is for being 250KV～300KV, the linear accelerator of 1MeV～6MeV.
Described radiation source 201 is arranged as central term photograph and side is shone Double-visual angle, can reduce stopping ray, level detector 202 is positioned at the below of vehicle transportation device, vehicle transportation device preferably disconnects completely above level detector 202 light slits, and this just brings difficulty to the design and installation of vehicle transportation device.During detection, driver drives tested vehicle into delivery platform 103 from import platform, emptying gear, do not pull the hand brake, driver gets off by the step 106 of getting on or off the bus afterwards, circulation drags unit and drags tested vehicle and complete detection by X-ray beam, and driver gets on the bus by the step 106 of getting on or off the bus afterwards, by car open from.
The present invention is not limited to above-mentioned embodiment, and in the situation that not deviating from flesh and blood of the present invention, any distortion it may occur to persons skilled in the art that, improvement, replacement all fall into the protection domain that claim of the present invention is recorded.
Claims (6)
1. one kind middle-size and small-size vehicle radiating scanning detection apparatus, it is characterized in that, described pick-up unit comprises: door frame, radiographic source, detector, support platform, conveyer bridge, circulation drags unit, wheel pilot unit, suspension bridge unit, described radiographic source, detector is connected with door frame, described radiographic source is arranged at door frame top, detector is arranged at door frame bottom and both sides, described conveyer bridge, circulation drags unit, wheel pilot unit, suspension bridge cellular installation is in support platform, described wheel pilot unit is arranged on conveyer bridge, described support platform be take top irradiation seam and is divided into two parts as separatrix, described support platform is connected and fixed under the detector of described door frame bottom, described conveyer bridge be take top irradiation seam and is divided into two parts as separatrix.
2. a kind of middle-size and small-size vehicle radiating scanning detection apparatus according to claim 1, it is characterized in that, described pick-up unit also comprises: inlet slope platform, terrace at entrance, export platform, outlet ramp, the step of getting on or off the bus, delivery platform, described terrace at entrance, delivery platform and export platform are arranged at same level, described inlet slope platform is connected with terrace at entrance, described outlet ramp is connected with export platform, described inlet slope platform, top, slope and the supporting surface of described delivery platform of outlet ramp are arranged at same plane, at the bottom of the slope of described inlet slope platform and outlet ramp, be arranged on ground level, the described step of getting on or off the bus is arranged at terrace at entrance and export platform one side, described delivery platform is arranged between terrace at entrance and export platform, described each inlet slope platform, terrace at entrance, export platform, outlet ramp, the step of getting on or off the bus, with bolts between delivery platform, bottom is all provided with castor and lower margin.
3. a kind of middle-size and small-size vehicle radiating scanning detection apparatus according to claim 1, it is characterized in that, described circulation drags unit and comprises: motor, speed reduction unit, power chain, power transmission chain wheel shaft, changed course sprocket wheel, changed course sprocket shaft, ring chain, drag roller, the described roller that drags is set to roll shaft and roller two parts, described roll shaft two ends connect respectively ring chain, described roller is free to rotate, described in drag roller both sides and have the gathering sill lower than tested vehicle chassis.
4. a kind of middle-size and small-size vehicle radiating scanning detection apparatus according to claim 1, is characterized in that, described suspension bridge unit comprises bridge plate and spring assembly, is positioned at the junction of terrace at entrance and the delivery platform of described vehicle transportation device.
5. a kind of middle-size and small-size vehicle radiating scanning detection apparatus according to claim 1, is characterized in that, described radiographic source is for being 250KV～300KV, the linear accelerator of 1MeV～6MeV.
6. a kind of middle-size and small-size vehicle radiating scanning detection apparatus according to claim 1, is characterized in that, described radiographic source is arranged as central term photograph and side is shone Double-visual angle.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104007118A (en) * | 2014-04-29 | 2014-08-27 | 雄华机械(苏州)有限公司 | Cylindrical appearance inspection device limiting cylinder body to freely rotate |
| WO2016026251A1 (en) * | 2014-08-22 | 2016-02-25 | 清华大学 | Vehicle detection system |
| CN107991324A (en) * | 2017-12-25 | 2018-05-04 | 北京华力兴科技发展有限责任公司 | Double-visual angle passenger car scanography equipment |
| CN108345040A (en) * | 2018-03-02 | 2018-07-31 | 上海瑞示电子科技有限公司 | Dual-beam source detection apparatus and its control device go out Shu Fangfa |
| WO2018165884A1 (en) * | 2017-03-15 | 2018-09-20 | 深圳市翼动科技有限公司 | Method for intelligently recognizing articles in vehicle |
| CN110466935A (en) * | 2019-09-03 | 2019-11-19 | 北京真空电子科技有限公司 | A kind of on-line checking conveying device |
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