CN202092973U - CBS-based detector array of channel type security detector - Google Patents
CBS-based detector array of channel type security detector Download PDFInfo
- Publication number
- CN202092973U CN202092973U CN2011200948114U CN201120094811U CN202092973U CN 202092973 U CN202092973 U CN 202092973U CN 2011200948114 U CN2011200948114 U CN 2011200948114U CN 201120094811 U CN201120094811 U CN 201120094811U CN 202092973 U CN202092973 U CN 202092973U
- Authority
- CN
- China
- Prior art keywords
- cbs
- detector array
- detector
- array
- channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The utility model discloses a CBS-based detector array of channel type security detector, comprising a security detector body, a detection channel in the body and a conveyor belt through the detection channel inlet and outlet, the top or the bottom of the test channel is equipped with an X-ray machine, beam outlet of the X-ray machine is toward to the detection channel; outer surface of side plates on both sides of the test channel is equipped with shield boxes, each shielded box is installed vertically with a CBS detector array and a collimator array , the collimator array is located inside CBS; the two side plates of the channel and the inner side plates of the two shield boxed are respectively provided with a mutually corresponding slit, the slit position is cooperate with the CBS detector array each other. The slit is aimed at the grid frame of the collimator array detector array, collimating aperture, and detector on the CBS detector array, maintaining the level position of the collimating aperture and the detector. The CBS-based detector array of a channel type security detector can effectively detect metal contraband, can distinguish between light materials.
Description
Technical field:
The utility model relates generally to a kind of CBS detector array architecture of New X ray channel formula screening machine, a kind of channel-type screening machine CBS detector array based on the CBS technology of more specifically saying so.
Background technology:
The on-the-spot both at home and abroad at present various X ray channel-type screening machines that use all are based on X ray transmission (TR-Transmission) technology, can effectively detect the metal contraband goods, but be difficult to distinguish light materials (particularly inflammable explosive article).The expert is consistent both at home and abroad generally acknowledges that compton backscattering scanning technique (CBS) can effectively detect inflammable explosive article.And can successfully utilize the CBS technology, and it is crucial improving signal to noise ratio (S/N ratio), an important technology that solves this key is the structure that designs the CBS detector array.
The utility model content:
The utility model purpose is exactly in order to remedy the defective of prior art, a kind of channel-type screening machine CBS detector array based on the CBS technology to be provided, and it can effectively detect the metal contraband goods, can also distinguish light materials.
The utility model is achieved through the following technical solutions:
Channel-type screening machine CBS detector array based on the CBS technology, include sense channel in body, the body and the travelling belt that runs through the sense channel import and export, it is characterized in that: the top or the bottom of described sense channel are equipped with X-ray production apparatus, X-ray production apparatus go out bundle mouthful in sense channel; Be separately installed with shielding box on the outside surface of described sense channel both sides side plate, the CBS detector array and the collimator array of vertical placement all is installed in each shielding box, described collimator array is positioned at the inboard of CBS detector array; The both sides side plate of described sense channel and the inboard side plate of two shielding boxs have the slit of mutual correspondence, and the position of described slit location and collimator array and CBS detector array cooperatively interacts.Described slit is aimed at the detector that grid, collimating aperture and the CBS detector array of collimator array list, and keeps collimating aperture and detector level position.
Described channel-type screening machine CBS detector array based on the CBS technology, it is characterized in that: described CBS detector array includes the detector head plate, is fitted with a plurality of detectors on the described detector head plate, and described detector array becomes linear array or face battle array.
Described channel-type screening machine CBS detector array based on the CBS technology, it is characterized in that: described collimator array includes the metal gate screen work, the metal gate screen work is provided with a plurality of metal grate, described metal grate is corresponding one by one with the detector that the CBS detector array lists, and the area of each metal grate equates with the exposed area of each detector.
Described channel-type screening machine CBS detector array based on the CBS technology, it is characterized in that: the data collection and transfering system that is connected with the CBS detector array is installed in the described body, and described data collection and transfering system includes signal processor, interface circuit and power supply.
Described channel-type screening machine CBS detector array based on the CBS technology is characterized in that: be fixed with the lead shield plate respectively on the inside surface of described sense channel both sides side plate and the inside surface of shielding box.
Described shielding box is the metallic shield box, and it is made up of rectangular parallelepiped aluminium box, ray incidence window, lead shield plate and earth stud etc.Its major function is light shield, electromagnetic screen and radiation shield.The shell of shielding box is located with the carbon fiber light shield layer or less than the thick thin aluminum sheet of 1.0mm with metal material such as aluminium sheet, ray incidence window (bar seam); Four limits of shielding box cover will be stained with flexible plastic or rubber skin, with guarantee to cover tight light leak not, all screws and fairlead place can not light leaks; Each face must the leading barricade in the shielding box; The screw of installation DH plate and SP plate must mutually insulated in the shielding box.Shielding box must good earth.
For the channel-type screening machine, two CBS detector array architectures vertically are installed in the sense channel both sides symmetrically, the CBS detector array of these both sides receives desired scattered photon by collimator array respectively by special angle.Described CBS detector array vertically is installed in the sense channel both sides symmetrically, and X-ray production apparatus is installed in sense channel top center position and goes out to restraint center, mouth down or sense channel below and go out bundle mouthful up, the signal to noise ratio (S/N ratio) that improved CBS effectively.
Major technique feature of the present utility model is:
1, the utility model is based on the channel-type screening machine of compton backscattering scanning (CBS) technology.
2, CBS detector array of the present utility model is installed on the sense channel both sides, and by the x-ray bombardment detected material of the X-ray production apparatus outgoing that is installed on passage below or passage top, scatters X ray by detected material again and enter into the CBS detector array.
3, CBS detector array of the present utility model adopts multichannel cesium iodide (CsI (TL)) scintillation crystal and silicon photoelectric diode.
The utility model has the advantages that:
(1) on a screening machine, has TR detector and CBS detector array simultaneously, both can utilize X ray transmission (TR) technology for detection metal contraband goods, can utilize inflammable explosive article in X ray compton backscattering scanning (CBS) technology for detection light materials again.
(2) the CBS detector array of the enough multichannels of use can obtain the CBS image, promptly shows the image of inflammable explosive article.Way is many more, and image resolution ratio is good more.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the sectional view at shielding box position.
Fig. 3 is the side view at shielding box position.
1, body
2, sense channel
3, travelling belt
4, X-ray production apparatus
5, shielding box
6, CBS detector array
7, collimator array
8, the both sides side plate of sense channel
9, the inboard side plate of shielding box
10, slit
11, detector head plate
12, detector
13, metal gate screen work
14, metal grate
15, signal processor
16, interface circuit
17, the lead shield plate of fixing on the inside surface of sense channel both sides side plate
18, the lead shield plate of fixing on the inside surface of shielding box
19, tested case and bag
20, the beam of X-ray production apparatus emission
21, the CBS beam that causes of tested case and bag scattering
Embodiment:
Referring to accompanying drawing.
Channel-type screening machine CBS detector array based on the CBS technology, include sense channel 2 in body 1, the body 1 and the travelling belt 3 that runs through the sense channel import and export, the bottom centre of sense channel 2 is equipped with X-ray production apparatus 4, X-ray production apparatus 4 go out bundle mouthful in sense channel 2; Be separately installed with shielding box 5 on the outside surface of described sense channel 2 both sides side plates, CBS detector array 6 and collimator array 7 all are installed in each shielding box 5, described collimator array 7 is positioned at the inboard of CBS detector array 6; The both sides side plate 8 of described sense channel 2 and the inboard side plate 9 of two shielding boxs 5 have the slit 10 of mutual correspondence, and the position of described slit 10 positions and collimator array 7 and CBS detector 6 arrays cooperatively interacts.
CBS detector array 6 includes detector head plate 11, is fitted with a plurality of detectors 12 on the described detector head plate 11, and described detector 12 is arranged in linear array or face battle array.
Collimator array 7 includes metal gate screen work 13, metal gate screen work 13 is provided with a plurality of metal grate 14, described metal grate 14 is corresponding one by one with detector 12 on the CBS detector array 6, and the area of each metal grate 14 equates with the exposed area of each detector 12.
The data collection and transfering system that is connected with CBS detector array 6 is installed in the body 1, and described data collection and transfering system includes signal processor 15, interface circuit 16 and power supply.
Be fixed with lead shield plate 17 on the inside surface of described sense channel 2 both sides side plates 8.And be fixed with lead shield plate 18 on the inside surface of shielding box 5 respectively.
When tested case and bag 19 are sent to the locus at CBS detector array 6 places by travelling belt 3, the tested case and bag 19 of beam 20 irradiations of X-ray production apparatus 4 emissions, the CBS beam 21 that tested case and bag 19 scatterings cause enters both sides collimator array 7 respectively by slit 10 and arrives corresponding CBS detector array 6.Detector front page 11 is given signal processor 15 with the signal that receives and is carried out data processing, gives industrial computer via interface circuit 16 again and rebuilds the CBS image.
Claims (5)
1. based on the channel-type screening machine CBS detector array of CBS technology, include sense channel in body, the body and the travelling belt that runs through the sense channel import and export, it is characterized in that: the top or the bottom of described sense channel are equipped with X-ray production apparatus, X-ray production apparatus go out bundle mouthful in sense channel; Be separately installed with shielding box on the outside surface of described sense channel both sides side plate, the CBS detector array and the collimator array of vertical placement all is installed in each shielding box, described collimator array is positioned at the inboard of CBS detector array; The both sides side plate of described sense channel and the inboard side plate of two shielding boxs have the slit of mutual correspondence, and the position of described slit location and collimator array and CBS detector array cooperatively interacts.
2. the channel-type screening machine CBS detector array based on the CBS technology according to claim 1, it is characterized in that: described CBS detector array includes the detector head plate, be fitted with a plurality of detectors on the described detector head plate, described detector array becomes linear array or face battle array.
3. the channel-type screening machine CBS detector array based on the CBS technology according to claim 1, it is characterized in that: described collimator array includes the metal gate screen work, the metal gate screen work is provided with a plurality of metal grate, described metal grate is corresponding one by one with the detector that the CBS detector array lists, and the area of each metal grate equates with the exposed area of each detector.
4. the channel-type screening machine CBS detector array based on the CBS technology according to claim 1, it is characterized in that: the data collection and transfering system that is connected with the CBS detector array is installed in the described body, and described data collection and transfering system includes signal processor, interface circuit and power supply.
5. the channel-type screening machine CBS detector array based on the CBS technology according to claim 1 is characterized in that: be fixed with the lead shield plate respectively on the inside surface of described sense channel both sides side plate and the inside surface of shielding box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200948114U CN202092973U (en) | 2011-04-02 | 2011-04-02 | CBS-based detector array of channel type security detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200948114U CN202092973U (en) | 2011-04-02 | 2011-04-02 | CBS-based detector array of channel type security detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202092973U true CN202092973U (en) | 2011-12-28 |
Family
ID=45368033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200948114U Expired - Fee Related CN202092973U (en) | 2011-04-02 | 2011-04-02 | CBS-based detector array of channel type security detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202092973U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914555A (en) * | 2012-11-19 | 2013-02-06 | 四川大学 | Unisource X-ray transmission and compton scattering security check device in L-shaped structure |
| CN104316551A (en) * | 2014-11-07 | 2015-01-28 | 天津重方科技有限公司 | Channel type X-ray back scattering human body safety scanning system |
| CN106373629A (en) * | 2016-11-16 | 2017-02-01 | 同方威视技术股份有限公司 | Collimator and installation structure and installation method thereof, and security checker |
| CN112703430A (en) * | 2018-07-16 | 2021-04-23 | 亚历山大·曼内斯基 | Combined detector for detecting metal and magnetized target object |
| CN113960086A (en) * | 2021-09-18 | 2022-01-21 | 中国航天科工集团第二研究院 | Grid collimation imaging system and method for compensation type back scattering detector |
| CN113970567A (en) * | 2020-07-22 | 2022-01-25 | 同方威视技术股份有限公司 | Back scattering imaging device, control method and inspection system |
-
2011
- 2011-04-02 CN CN2011200948114U patent/CN202092973U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914555A (en) * | 2012-11-19 | 2013-02-06 | 四川大学 | Unisource X-ray transmission and compton scattering security check device in L-shaped structure |
| CN104316551A (en) * | 2014-11-07 | 2015-01-28 | 天津重方科技有限公司 | Channel type X-ray back scattering human body safety scanning system |
| CN104316551B (en) * | 2014-11-07 | 2017-09-12 | 天津重方科技有限公司 | Channel-type X-ray back scattering human-body safety scanning system |
| CN106373629A (en) * | 2016-11-16 | 2017-02-01 | 同方威视技术股份有限公司 | Collimator and installation structure and installation method thereof, and security checker |
| CN106373629B (en) * | 2016-11-16 | 2018-06-19 | 同方威视技术股份有限公司 | Collimator and its mounting structure and installation method, screening machine |
| CN112703430A (en) * | 2018-07-16 | 2021-04-23 | 亚历山大·曼内斯基 | Combined detector for detecting metal and magnetized target object |
| US11644596B2 (en) * | 2018-07-16 | 2023-05-09 | Alessandro Manneschi | Combined detector for detecting metals and magnetized target objects |
| CN113970567A (en) * | 2020-07-22 | 2022-01-25 | 同方威视技术股份有限公司 | Back scattering imaging device, control method and inspection system |
| WO2022017155A1 (en) * | 2020-07-22 | 2022-01-27 | 同方威视技术股份有限公司 | Backscatter imaging device, control method, and inspection system |
| CN113960086A (en) * | 2021-09-18 | 2022-01-21 | 中国航天科工集团第二研究院 | Grid collimation imaging system and method for compensation type back scattering detector |
| CN113960086B (en) * | 2021-09-18 | 2024-01-02 | 中国航天科工集团第二研究院 | Compensation type back scattering detector grid collimation imaging system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202092973U (en) | CBS-based detector array of channel type security detector | |
| CN201199235Y (en) | Novel X-ray channel type safety-check system structure | |
| JP6255369B2 (en) | Detector device, dual energy CT system, and detection method using the system | |
| CN102854208B (en) | Ray back scattering imaging system for discriminating depth information | |
| CN105806856A (en) | Dual-energy ray imaging method and system | |
| CN103674979A (en) | CT (computed tomography) luggage safety inspection system and detector device of CT safety inspection system | |
| US10921468B2 (en) | Muon detectors, systems and methods | |
| CN106255900A (en) | Detector array for imaging pattern | |
| CN202794067U (en) | Luggage CT safety inspection system and detector device thereof | |
| US10191160B1 (en) | Staggered detector array for locating radioactive sources | |
| CN102707324A (en) | Backscatter and transmission combined safety detector of X rays | |
| CN102967874B (en) | Positive electron annihilation angle correlation spectrometer | |
| CN202994690U (en) | Single-source X-ray transmission and Compton scattering security check device in L-shaped structure | |
| JP2015187567A (en) | radiation measuring device | |
| CN104575646A (en) | Movable type DT neutron radiation shielding device used for detecting explosives | |
| CN201421439Y (en) | Multi-energy X-ray security inspection machine | |
| JP2015187567A5 (en) | ||
| CN103064127A (en) | Digitization radiography (DR) and liquid spot (LS) and Compton back scattering (CBS) compound type X-ray passageway type security inspection device | |
| CN202870001U (en) | U-shaped unisource X-ray transmission and compton scattering safety inspection device | |
| CN202854352U (en) | X-ray backscattering and transmission combined type safety detector | |
| CN218630219U (en) | X-ray foreign matter detector for detecting non-blind area | |
| CN209784557U (en) | x-ray detection device with multiple detection sources | |
| CN212525014U (en) | Improved ore sorting equipment based on TDI and multi-energy spectrum X-ray detection technology | |
| CN202281839U (en) | Desktop integrated security inspection machine | |
| CN203025120U (en) | Online ash content detecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hefei CBS Electronics Science Technique Co.,Ltd. Assignor: Ding Houben|Ding Rong Contract record no.: 2012340000325 Denomination of utility model: CBS-based detector array of channel type security detector Granted publication date: 20111228 License type: Exclusive License Record date: 20121022 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20150402 |
|
| EXPY | Termination of patent right or utility model |