CN205374342U - Security installations - Google Patents
Security installations Download PDFInfo
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- CN205374342U CN205374342U CN201520996687.9U CN201520996687U CN205374342U CN 205374342 U CN205374342 U CN 205374342U CN 201520996687 U CN201520996687 U CN 201520996687U CN 205374342 U CN205374342 U CN 205374342U
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- Prior art keywords
- detector
- detection apparatus
- ray
- safety detection
- rays safety
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Abstract
The utility model provides a security installations relates to the safety inspection field. The utility model discloses a security installations includes ray emitter and X -ray detector, wherein, X -ray detector includes: preceding scattering detector lies in the offside of object for ray emitter that await measuring, X -ray detector still includes: the backscattering detector lies in ray emitter and awaits measuring between the object, and/or the transmission detector, lie in the offside of object for ray emitter that await measuring. Such security installations has preceding scattering detector, and cooperation backscattering detector is used together to reduce and surveys the dead angle, optimizes the detection to gamma ray source offside internal information, cooperation transmission detector is used together, can realize the detection of while to high density and low -density material to optimize the detection effect to the object that awaits measuring, improved the degree of accuracy of surveying.
Description
Technical field
This utility model relates to field of safety check, particularly a kind of rays safety detection apparatus.
Background technology
Along with the development of science and technology, current Security Inspection Equipments is widely used in the departments such as airport, customs, subway.For highway safety check aspect, utilizing X-ray transmission device scan article more common, the X ray of x-ray source outgoing forms scanning covering of the fan by collimator, and detector receives the X ray irradiating inspected object, by processing, obtains the internal information of inspected object.This security action uses extensively, and simple in construction easily operates, but is X-ray transmission principle imaging due to what utilize, and what be difficult to detection goes out the material that density is relatively low, such as explosive, drugs etc..
And X ray backscattering technique can be good at checking low-density material, existing X ray back scattering checks that the flywheel diffraction line source target center of equipment rotates, and forms pen row bundle, and pen row bundle drops on inspected object, forms flying spot.Backscatter detector collects the X ray back scattering ray of any instant, treated, obtain material information, continuously after scanning, just can process and obtain the internal information of whole inspected object, especially can highlight the material information that the atom number sequence such as explosive, drugs is relatively low.This invention is convenient and practical, but, due to the image-forming principle of this device be absorb back scattering X ray after imaging, therefore, for being hidden in the explosive after secrecy material, illicit drugs inspection poor effect, after explosive is placed on a steel plate, back scattering X-ray is blocked by steel plate, it is impossible to arrive backscatter detector；The display effect of metal weapon is not good yet.Meanwhile, the back scattering imaging result of this one side is poor for the internal information effect observing inspected object offside, to effectively observe inspected object both sides, it is necessary to detect twice, comparatively laborious.
Utility model content
A purpose of the present utility model is in that to provide a kind of relatively reliable rays safety detection apparatus.
According to an aspect of the present utility model, it is proposed to a kind of rays safety detection apparatus, including: radiation-emitting device；Ray detector；Wherein, ray detector includes: front scattering detector, is positioned at the object under test offside relative to radiation-emitting device；Ray detector also includes: backscatter detector, between radiation-emitting device and object under test；And/or transmission detectors, it is positioned at the object under test offside relative to radiation-emitting device.
Alternatively, radiation-emitting device is used for launching fan-ray beam and flying spot beam.
Alternatively, radiation-emitting device includes: radiographic source, is positioned at the central authorities of radiation-emitting device；Spatial modulator, between radiographic source and backscatter detector, including fixed mask plate, and the rotating shield between object under test and fixed mask plate.
Alternatively, rotating shield includes more than one gap and more than one through hole.
Alternatively, transmission detectors includes multiple detector module, and according to each detector module difference in the position of transmission detectors, the angle of laying of each detector module adapts with ray incident direction.
Alternatively, lay angle and the ray incident direction of detector module adapts and includes: the test surface of detector module is perpendicular to ray incident direction.
Alternatively, transmission detectors includes multiple by a predetermined detector module detector cells formed arranged in parallel；According to each detector module difference in the position of transmission detectors, each detector module lay angle adapt from ray incident direction into: according to different in the position of transmission detectors of each detector cells, the test surface direction of each detector cells and ray incident direction adapt.
Alternatively, transmission detectors is plate shaped or to object under test offside projection arc surfaced.
Alternatively, also include means of transport, be used for carrying and move radiation-emitting device and ray detector.
Alternatively, also including cantilever, one end of cantilever connects transmission detectors and front scattering detector, and the other end is connected with means of transport；Means of transport internal carrying radiation-emitting device, and means of transport side connection backscatter detector.
Alternatively, cantilever includes fold mechanism and rotating mechanism, for folding and hinged cantilever.
Alternatively, also include processor, for receiving the detectable signal from front scattering detector, backscatter detector and transmission detectors, analyze object under test.
Alternatively, also include controller, for controlling the folding of cantilever and rotating.
Such rays safety detection apparatus has front scattering detector, coordinates backscatter detector to use together and can reduce detection dead angle, optimizes the detection to radiographic source offside internal information；Transmission detectors is coordinated to use together, it is possible to realize the detection simultaneously to high density and materials of low density；By used along to front scattering detector, backscatter detector and transmission detectors, can while reducing detection dead angle, realize the detection simultaneously to high density and materials of low density, optimize the Effect on Detecting of measuring targets further, improve the accuracy of detection.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by of the present utility model, constitutes the part of the application, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram of an embodiment of rays safety detection apparatus of the present utility model.
Fig. 2 is the schematic diagram of an embodiment of radiation-emitting device in rays safety detection apparatus of the present utility model.
Fig. 3 a is the schematic diagram of an embodiment of transmission detectors of the present utility model.
Fig. 3 b is the schematic diagram of another embodiment of transmission detectors of the present utility model.
Fig. 3 c is the schematic diagram of another embodiment of transmission detectors of the present utility model.
Fig. 3 d is the schematic diagram of the further embodiment of transmission detectors of the present utility model.
Fig. 4 is the schematic diagram of another embodiment of rays safety detection apparatus of the present utility model.
Fig. 5 is the schematic diagram of another embodiment of rays safety detection apparatus of the present utility model.
Detailed description of the invention
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
The schematic diagram of one embodiment of rays safety detection apparatus of the present utility model is as shown in Figure 1.Wherein, 1 is radiation-emitting device, sends ray 6 to object under test 5.The ray detector of rays safety detection apparatus includes front scattering detector 4, is positioned at the object under test 5 offside relative to radiation-emitting device 1, it is possible to scattering data before obtaining.Ray detector can also include transmission detectors 4, is positioned at the object under test offside relative to radiation-emitting device, it is possible to obtains transmission data.Ray detector can also include backscatter detector 2, between object under test 5 and radiation-emitting device 1, it is possible to obtains back scattering data.
Such rays safety detection apparatus has front scattering detector, coordinates backscatter detector to use together and can reduce detection dead angle, optimizes the detection to radiographic source offside internal information；Transmission detectors is coordinated to use together, it is possible to realize the detection simultaneously to high density and materials of low density；By used along to front scattering detector, backscatter detector and transmission detectors, can while reducing detection dead angle, realize the detection simultaneously to high density and materials of low density, optimize the Effect on Detecting of measuring targets further, improve the accuracy of detection.
In one embodiment, radiation-emitting device can send fan-ray beam and flying spot beam.Fan-ray beam arrives transmission detectors through object under test, in order to transmission detectors obtains transmission data.Flying spot beam arrives front scattering detector, backscatter detector after object under test scattering, in order to scattering data, back scattering data before obtaining.
Such rays safety detection apparatus can send two kinds of beams, respectively for obtaining transmission detectors and scattering detector acquisition transmission data and scattering data, improves detection speed, optimizes Effect on Detecting.
The schematic diagram of the radiation-emitting device of this utility model rays safety detection apparatus is as shown in Figure 2.Wherein, 11 is radiographic source, is positioned at the central authorities of radiation-emitting device, to object under test direction divergent-ray.Radiation-emitting device also includes spatial modulator, between radiographic source and backscatter detector, it is possible to adjust the ray that radiographic source 11 is launched, thus controlling the ray that radiation-emitting device is launched.In one embodiment, spatial modulator includes fixed mask plate 12 and rotating shield 13.Wherein, fixed mask plate 12 makes the ray that radiographic source 11 produces launch towards predetermined direction at a predetermined angle, and predetermined angular can be 120 degree；Rotating shield is between object under test and fixed mask plate.Rotating shield has gap 15 and through hole 14, and rotating shield rotates with set rate.When ray is by through hole 14, form flying spot beam；When ray is by gap 15, form fan-ray beam.The ray that radiation-emitting device is launched changes over.In one embodiment, rotating shield has at least one gap and at least one through hole, it is possible to be arranged as required to the quantity of gap and through hole.
Such rays safety detection apparatus, its radiation-emitting device can periodically form fan-ray beam and flying spot beam, it is respectively used to transmission detection and scatter sounding, single radiation-emitting device can be used to realize the transmitting of two kinds of beams, reduce the volume of rays safety detection apparatus, and create condition for acquisition transmission data and scattering data simultaneously.
In one embodiment, transmission detectors of the present utility model includes multiple detector module, and according to each detector module difference in the position of transmission detectors, the angle of laying of each detector module adapts with ray incident direction.In one embodiment, the test surface adjusting detector module is perpendicular to ray incident direction.The parallel arrangement regular from conventional detector module of such transmission detectors is different, different detector modules lay angle difference, in order to better receive the ray through object under test such that it is able to reduce detection dead angle.
In one embodiment, the schematic diagram of transmission detectors is as shown in Figure 3 a.Plate shaped transmission detectors 3 includes multiple detector module 31, and ray 6 arrives transmission detectors 3 through object under test, the angle of inclination of each detector module 31 because of height, the difference of position and different.Such transmission detectors overall shape is plate shaped, it is simple to install, internal adjustment angle in units of detector module, makes detection dead angle reduce as far as possible.
In one embodiment, the schematic diagram of transmission detectors is as shown in Figure 3 b.Transmission detectors 3 includes multiple by some detector modules 31 detector cells 32 formed arranged in parallel.The angle of inclination of the detector module 31 in each detector cells 32 is identical, but the difference according to detector cells position, height, the angle of inclination of each detector cells is different.Such transmission detectors overall shape is plate shaped, it is simple to install, internal adjustment angle in units of detector cells, it is simple to install and regulate.
In one embodiment, the schematic diagram of transmission detectors is as shown in Figure 3 c.Transmission detectors 3 global shape is arc surfaced, and protruding to object under test offside, inside includes multiple detector module 31.Such transmission detectors can reduce ray and arrive the range difference of detector module through transmission detectors surface, improves the accuracy of detection.
In one embodiment, the schematic diagram of transmission detectors is as shown in Figure 3 d.Transmission detectors 3 global shape is arc surfaced, and protruding to object under test offside, inside includes multiple by some detector modules 31 detector cells 32 formed arranged in parallel.The angle of inclination of the detector module 31 in each detector cells 32 is identical, but the difference according to detector cells position, height, the angle of inclination of each detector cells is different.Such transmission detectors can reduce ray and arrive the range difference of detector module through transmission detectors, improves the accuracy of detection, and inside adjusts angle in units of detector cells, it is simple to installs and regulates.
The schematic diagram of another embodiment of rays safety detection apparatus of the present utility model is as shown in Figure 4.Front scattering detector 2 and radiation-emitting device are mounted or housed in means of transport 7.Such rays safety detection apparatus floor space is little, it is simple to transport, more maneuverability, it is possible to for some accident flexible dispatching.
The schematic diagram of another embodiment of rays safety detection apparatus of the present utility model is as shown in Figure 5.Rays safety detection apparatus also includes cantilever 8, and one end of cantilever is connected with transmission detectors and front scattering detector, and the other end is connected with means of transport, carries radiation-emitting device inside means of transport, and side has backscatter detector towards the one side of Devices to test.
Such rays safety detection apparatus is carried by means of transport completely, easily facilitates transport and flexible dispatching；Large-scale for some, be difficult to the object under test of movement, it is possible to detected by the mode measuring targets of destination such that it is able to reduce the volume of rays safety detection apparatus, and extend the use scene of equipment.
In one embodiment, cantilever 8 includes fold mechanism and rotating mechanism, for folding and hinged cantilever.Rays safety detection apparatus is by such structure, on the one hand can by folding for cantilever extremely consistent with the direction that car travels with rotation when equipment moves, it is readily transported and disposes with secondary, according to the collapsing length using scene to regulate cantilever, the use scene of rays safety detection apparatus can be extended on the other hand.Such rays safety detection apparatus is applicable to the deployment in important large, medium and small safety check place and interim place, relatively long distance can scan multiple object under test continuously, fast by measuring height and detection speed, to some accident flexible dispatching, the multiple contraband including metal weapon, explosive, drugs can be detected simultaneously.
In one embodiment, rays safety detection apparatus can include controller, it is possible to controls the rotation of cantilever and folding.Controller may be located at transporting equipment, controls the rotation of cantilever and folding by wire signal or wireless signal.Such rays safety detection apparatus can pass through controller and control the rotation of cantilever and folding, makes close friend more convenient to operate.
In one embodiment, rays safety detection apparatus also includes processor, it is possible to the detection data of scattering detector, backscatter detector and transmission detectors before processing.Processor can generate detection image according to detection data, shows to staff；Processor can also confirm dangerous substance according to result of detection, carries out mark or the alarm of correspondence.In one embodiment, processor can be computer.Processor may be mounted in means of transport, is obtained the detection data of ray detector by wire signal or wireless signal.Such rays safety detection apparatus has processor, it is possible to process detection data in real time such that it is able to detects danger, prohibited items more rapidly, improves safety.
Finally should be noted that: above example is only in order to illustrate that the technical solution of the utility model is not intended to limit；Although this utility model being described in detail with reference to preferred embodiment, those of ordinary skill in the field are it is understood that still can modify to detailed description of the invention of the present utility model or portion of techniques feature carries out equivalent replacement；Without deviating from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that this utility model is claimed.
Claims (13)
1. a rays safety detection apparatus, it is characterised in that including:
Radiation-emitting device；
Ray detector；
Wherein, described ray detector includes:
Front scattering detector, is positioned at the object under test offside relative to described radiation-emitting device；
Described ray detector also includes:
Backscatter detector, between described radiation-emitting device and described object under test；And/or
Transmission detectors, is positioned at the described object under test offside relative to described radiation-emitting device.
2. rays safety detection apparatus according to claim 1, it is characterised in that described radiation-emitting device is used for launching fan-ray beam and flying spot beam.
3. rays safety detection apparatus according to claim 2, it is characterised in that described radiation-emitting device includes:
Radiographic source, is positioned at the central authorities of described radiation-emitting device；
Spatial modulator, between described radiographic source and described backscatter detector, including fixed mask plate, and the rotating shield between described object under test and described fixed mask plate.
4. rays safety detection apparatus according to claim 3, it is characterised in that include more than one gap and more than one through hole on described rotating shield.
5. rays safety detection apparatus according to claim 1, it is characterized in that, described transmission detectors includes multiple detector module, and according to each described detector module difference in the position of described transmission detectors, the angle of laying of each described detector module adapts with ray incident direction.
6. rays safety detection apparatus according to claim 5, it is characterised in that lay angle and the ray incident direction of described detector module adapt and include: the test surface of described detector module is perpendicular to ray incident direction.
7. rays safety detection apparatus according to claim 5, it is characterised in that
Described transmission detectors includes multiple by a predetermined detector module detector cells formed arranged in parallel；
The described difference according to each described detector module in the position of described transmission detectors, each described detector module lay angle adapt from ray incident direction into: according to different in the position of described transmission detectors of each described detector cells, the test surface direction of each described detector cells and ray incident direction adapt.
8. rays safety detection apparatus according to claim 5, it is characterised in that described transmission detectors is plate shaped or to object under test offside projection arc surfaced.
9. rays safety detection apparatus according to claim 1, it is characterised in that also include means of transport, is used for carrying and move described radiation-emitting device and ray detector.
10. rays safety detection apparatus according to claim 9, it is characterised in that also include cantilever, one end of described cantilever connects described transmission detectors and described front scattering detector, and the other end is connected with described means of transport；
Described means of transport is internal carries described radiation-emitting device, and described means of transport side connects described backscatter detector.
11. rays safety detection apparatus according to claim 10, it is characterised in that described cantilever includes fold mechanism and rotating mechanism, it is used for folding and rotate described cantilever.
12. rays safety detection apparatus according to claim 1, it is characterised in that also include processor, for receiving the detectable signal from front scattering detector, backscatter detector and transmission detectors, analyze object under test.
13. rays safety detection apparatus according to claim 11, it is characterised in that also include controller, for controlling the folding of described cantilever and rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520996687.9U CN205374342U (en) | 2015-12-04 | 2015-12-04 | Security installations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520996687.9U CN205374342U (en) | 2015-12-04 | 2015-12-04 | Security installations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205374342U true CN205374342U (en) | 2016-07-06 |
Family
ID=56279017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520996687.9U Expired - Fee Related CN205374342U (en) | 2015-12-04 | 2015-12-04 | Security installations |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205374342U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301669A (en) * | 2015-12-04 | 2016-02-03 | 同方威视技术股份有限公司 | Safety check device and ray detection method |
| CN107655906A (en) * | 2017-09-26 | 2018-02-02 | 同方威视技术股份有限公司 | Vehicle safe examination system, method and controller |
-
2015
- 2015-12-04 CN CN201520996687.9U patent/CN205374342U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301669A (en) * | 2015-12-04 | 2016-02-03 | 同方威视技术股份有限公司 | Safety check device and ray detection method |
| WO2017092395A1 (en) * | 2015-12-04 | 2017-06-08 | 同方威视技术股份有限公司 | Security inspection device and ray detection method |
| US10823874B2 (en) | 2015-12-04 | 2020-11-03 | Nuctech Company Limited | Security inspection equipment and radiation detection method |
| CN107655906A (en) * | 2017-09-26 | 2018-02-02 | 同方威视技术股份有限公司 | Vehicle safe examination system, method and controller |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20201204 |