CN200941097Y - Imaging apparatus having X-ray back scatter and fault scan - Google Patents
Imaging apparatus having X-ray back scatter and fault scan Download PDFInfo
- Publication number
- CN200941097Y CN200941097Y CN 200620044288 CN200620044288U CN200941097Y CN 200941097 Y CN200941097 Y CN 200941097Y CN 200620044288 CN200620044288 CN 200620044288 CN 200620044288 U CN200620044288 U CN 200620044288U CN 200941097 Y CN200941097 Y CN 200941097Y
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- backward scattering
- ray
- collimating apparatus
- whirligig
- imaging device
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Abstract
An X-ray backscattering and CT scanning imaging device, comprising an X-ray source, a detection scanning mechanism, a rotation device, a driving mechanism and a processing circuit. The detection scanning mechanism is arranged in front of the X-ray source, comprising a collimator, a backscattering detector and a transmission detector. The backscattering detector is arranged in front of the collimator, and the transmission detector is arranged opposite to the backscattering detector. The utility model provides an imaging device with X-ray backscattering and CT scanning to conduct the backscattering and CT scanning of the substance to be detected, differentiates substance through the processing of the three-dimensional images and backscattered image, and improves the capability of detecting explosives, detonators and other dangerous goods.
Description
Technical field
The utility model relates to a kind of imaging device, relates in particular to a kind of imaging device with X ray backward scattering and tomoscan.
Background technology
Most existing X ray safety check system mainly is to use x-ray source, produces the ray of covering of the fan, receives with the detector linear array again, forms the transmission projection image.If various materials overlap, just influenced the judgement of material.Use double energy X-ray to carry out that material judges though also have, also only can distinguish organism and inorganics, can not further differentiate explosive soap etc., very easily cause supervisory personnel's erroneous judgement.
Backward scattering is exactly that incident electron and detection material atom out orbit electronics or free electron bump and part that scattering is returned.Know now: the backward scattering radiant quantity is relevant with the atomic number and the density of detecting material.Therefore, by backscattering technique, can survey the atomic number and the density of analyte, thereby effectively differentiate material.
The utility model content
The utility model provides a kind of imaging device with X ray backward scattering and tomoscan, carry out backward scattering and tomoscan to being detected material, by processing to 3-D view and backscatter images, distinguish different materials, improve the ability of dangerous material such as judging explosive, detonator.
For achieving the above object, a kind of imaging device that the utility model provides with X ray backward scattering and tomoscan, it comprises x-ray source, detection scanning mechanism, whirligig and driving mechanism also comprise treatment circuit;
Described detection scanning mechanism is arranged at the front end of x-ray source, and it comprises collimating apparatus, backward scattering detector and transmission detectors; Described backward scattering detector is arranged at the front of described collimating apparatus, and described transmission detectors is arranged at the opposite of described backward scattering detector;
Described collimating apparatus is a circular arc sheet, the middle part of this collimating apparatus one side is provided with the straight-line groove of level, be used to collimate the covering of the fan of the X ray of transmission, be convenient to carry out the tomoscan imaging, one aperture is set on the opposite side of this collimating apparatus, drives collimating apparatus when whirligig is rotated at driving mechanism, X ray is by the aperture on the described collimating apparatus, just form flying spot, be convenient to carry out back scattering imaging;
Described backward scattering detector and described transmission detectors are circular arc sheet;
Described backward scattering detector is provided with opening, and straight horizontal wire casing and aperture on this opening and the described collimating apparatus are in same plane;
Described whirligig is arranged between described backward scattering detector and the described transmission detectors, and this whirligig can horizontally rotate, and also can raise and reduce, and puts detected object on this whirligig;
Described driving mechanism connects described collimating apparatus and described whirligig, drives the motion of this collimating apparatus and whirligig;
Described treatment circuit connects described backward scattering detector and described transmission detectors, and the signal that backward scattering detector and transmission detectors receive is handled back input computing machine;
When detecting, at first will be placed on the whirligig by detected object, the drive mechanism whirligig drives this object and is rotated, and x-ray source will be launched X ray, collimate through the straight-line groove on the collimating apparatus, penetrate object, received, through after the processing circuit processes by the transmission detectors of circular arc sheet, signal is input to computing machine, generates the sectioning image of luggage; Whirligig stops the rotation then, x-ray source continues the emission X ray, driving mechanism drives the collimating apparatus rotation, form flying spot, beat and on object, produce scattered x-ray, received by the backward scattering detector, after the treated processing of circuit, be input to computing machine and convert a column of figure backscatter images that can in display, show to; The drive mechanism whirligig drives the object rising then, repeats said process, thereby obtains the 3-D transmission image of object and complete backscatter images.
A kind of imaging device that the utility model provides with X ray backward scattering and tomoscan, carry out backward scattering and tomoscan to being detected material, by processing to 3-D view and backscatter images, distinguish different materials, improve the ability of dangerous material such as judging explosive, detonator.
Description of drawings
A kind of structural representation that Fig. 1 provides for the utility model with imaging device of X ray backward scattering and tomoscan;
The structural representation of the collimating apparatus of a kind of imaging device with X ray backward scattering and tomoscan that Fig. 2 provides for the utility model;
The structural scheme of mechanism of the backward scattering detector of a kind of imaging device with X ray backward scattering and tomoscan that Fig. 3 provides for the utility model.
Embodiment
Followingly specify a kind of preferred forms of the present utility model according to Fig. 1～Fig. 3:
As shown in Figure 1, be a kind of imaging device with X ray backward scattering and tomoscan that the utility model provides, it comprises x-ray source 101, and detection scanning mechanism, whirligig 103 and driving mechanism 104 also comprise treatment circuit;
Described detection scanning mechanism is arranged at the front end of x-ray source 101, and it comprises collimating apparatus 201, backward scattering detector 202 and transmission detectors 203; Described backward scattering detector 202 is arranged at the front of described collimating apparatus 201, and described transmission detectors 203 is arranged at the opposite of described backward scattering detector 202;
As shown in Figure 2, described collimating apparatus 201 is a circular arc sheet, the middle part of these collimating apparatus 201 1 sides is provided with the straight-line groove 2011 of level, be used to collimate the covering of the fan of the X ray of transmission, be convenient to carry out the tomoscan imaging, an aperture 2012 is set on the opposite side of this collimating apparatus 201, drive collimating apparatus 201 when whirligig 103 is rotated at driving mechanism 104, X ray just forms flying spot by the aperture 2012 on the described collimating apparatus 201, is convenient to carry out back scattering imaging;
Described backward scattering detector 202 and described transmission detectors 203 are circular arc sheet;
As shown in Figure 3, described backward scattering detector 202 is provided with opening 2021, and straight horizontal wire casing 2011 and aperture 2012 on this opening and the described collimating apparatus 201 are in same plane;
Described whirligig 103 is arranged between described backward scattering detector 202 and the described transmission detectors 203, and this whirligig 103 can horizontally rotate, and also can raise and reduce, and puts detected object 55 on this whirligig 103;
Described driving mechanism 104 connects described collimating apparatus 201 and described whirligig 103, drives the motion of this collimating apparatus 201 and whirligig 103;
Described treatment circuit connects described backward scattering detector 202 and described transmission detectors 203, and the signal that backward scattering detector 202 and transmission detectors 203 receive is handled back input computing machine;
When detecting, object 55 that at first will be detected is placed on the whirligig 103, driving mechanism 104 driven in rotation devices 103 drive this object 55 and are rotated, and x-ray source 101 will be launched X ray, collimate through the straight-line groove 2011 on the collimating apparatus 201, penetrate object 55, received by the transmission detectors 203 of circular arc sheet, through after the processing circuit processes, signal is input to computing machine, generates the sectioning image of luggage; Whirligig 103 stops the rotation then, x-ray source 101 continues the emission X ray, driving mechanism 104 drives collimating apparatus 201 rotations, form flying spot, beat and on object 55, produce scattered x-ray, received by backward scattering detector 202, after the treated processing of circuit, be input to computing machine and convert a column of figure backscatter images that can in display, show to; Driving mechanism 104 driven in rotation devices 103 drive object 55 risings then, repeat said process, thereby obtain the 3-D transmission image of object 55 and complete backscatter images.
A kind of imaging device that the utility model provides with X ray backward scattering and tomoscan, carry out backward scattering and tomoscan to being detected material, by processing to 3-D view and backscatter images, distinguish different materials, improve the ability of dangerous material such as judging explosive, detonator.
Claims (7)
1. the imaging device with X ray backward scattering and tomoscan is characterized in that, comprises x-ray source (101), detection scanning mechanism, whirligig (103) and driving mechanism (104);
Described detection scanning mechanism is arranged at the front end of x-ray source (101), and it comprises collimating apparatus (201), backward scattering detector (202) and transmission detectors (203);
The middle part of described collimating apparatus (201) one sides is provided with the straight-line groove (2011) of level, one aperture (2012) is set on the opposite side of this collimating apparatus (201), drive collimating apparatus (201) around whirligig (103) when being rotated at driving mechanism (104), X ray just forms flying spot by the aperture (2012) on the described collimating apparatus (201);
Described backward scattering detector (202) is arranged at the front of described collimating apparatus (201), and described transmission detectors (203) is arranged at the opposite of described backward scattering detector (202).
2. the imaging device with X ray backward scattering and tomoscan as claimed in claim 1 is characterized in that, described collimating apparatus (201) is a circular arc sheet.
3. the imaging device with X ray backward scattering and tomoscan as claimed in claim 1 is characterized in that, described backward scattering detector (202) and described transmission detectors (203) are circular arc sheet.
4. the imaging device with X ray backward scattering and tomoscan as claimed in claim 1, it is characterized in that, described backward scattering detector (202) is provided with opening (2021), and straight horizontal wire casing (2011) and aperture (2012) on this opening and the described collimating apparatus (201) are in same plane.
5. the imaging device with X ray backward scattering and tomoscan as claimed in claim 1, it is characterized in that, described whirligig (103) is arranged between described backward scattering detector (202) and the described transmission detectors (203), this whirligig (103) can horizontally rotate, also can raise and reduce, put detected object (55) on this whirligig (103).
6. the imaging device with X ray backward scattering and tomoscan as claimed in claim 1, it is characterized in that, described driving mechanism (104) connects described collimating apparatus (201) and described whirligig (103), drives the motion of this collimating apparatus (201) and whirligig (103).
7. the imaging device with X ray backward scattering and tomoscan as claimed in claim 1, it is characterized in that, also comprise a treatment circuit, this treatment circuit connects described backward scattering detector (202) and described transmission detectors (203), and the signal that backward scattering detector (202) and transmission detectors (203) receive is handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620044288 CN200941097Y (en) | 2006-07-27 | 2006-07-27 | Imaging apparatus having X-ray back scatter and fault scan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620044288 CN200941097Y (en) | 2006-07-27 | 2006-07-27 | Imaging apparatus having X-ray back scatter and fault scan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200941097Y true CN200941097Y (en) | 2007-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200620044288 Expired - Lifetime CN200941097Y (en) | 2006-07-27 | 2006-07-27 | Imaging apparatus having X-ray back scatter and fault scan |
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| CN (1) | CN200941097Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2507507C1 (en) * | 2009-12-30 | 2014-02-20 | Ньюктек Компани Лимитед | Scanning device using radiation beam for backscattering imaging and method thereof |
| CN103712997A (en) * | 2010-12-31 | 2014-04-09 | 同方威视技术股份有限公司 | Back scattering system for examination through rays |
| RU2532495C1 (en) * | 2010-12-31 | 2014-11-10 | Ньюктек Компани Лимитед | Scanning device and method for imaging with back-scattered radiation beam |
| RU2545095C1 (en) * | 2012-10-24 | 2015-03-27 | Ньюктек Компани Лимитед | Beam-emitting device and imaging system having said device |
| RU2554311C1 (en) * | 2012-12-27 | 2015-06-27 | Ньюктек Компани Лимитед | Backscatter-based inspection systems and methods for human body |
| CN106896121A (en) * | 2015-12-18 | 2017-06-27 | 清华大学 | Detecting system and method |
| CN113267519A (en) * | 2021-05-19 | 2021-08-17 | 中国工程物理研究院激光聚变研究中心 | Transient process testing device for detonating explosive impacted by flyer |
| 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 |
-
2006
- 2006-07-27 CN CN 200620044288 patent/CN200941097Y/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2507507C1 (en) * | 2009-12-30 | 2014-02-20 | Ньюктек Компани Лимитед | Scanning device using radiation beam for backscattering imaging and method thereof |
| CN103712997A (en) * | 2010-12-31 | 2014-04-09 | 同方威视技术股份有限公司 | Back scattering system for examination through rays |
| RU2532495C1 (en) * | 2010-12-31 | 2014-11-10 | Ньюктек Компани Лимитед | Scanning device and method for imaging with back-scattered radiation beam |
| CN103712997B (en) * | 2010-12-31 | 2016-05-25 | 同方威视技术股份有限公司 | For the Back-scattering System checking by ray |
| RU2545095C1 (en) * | 2012-10-24 | 2015-03-27 | Ньюктек Компани Лимитед | Beam-emitting device and imaging system having said device |
| RU2554311C1 (en) * | 2012-12-27 | 2015-06-27 | Ньюктек Компани Лимитед | Backscatter-based inspection systems and methods for human body |
| CN106896121A (en) * | 2015-12-18 | 2017-06-27 | 清华大学 | Detecting system and method |
| US10295481B2 (en) | 2015-12-18 | 2019-05-21 | Tsinghua University | Detection system and method |
| CN106896121B (en) * | 2015-12-18 | 2019-07-05 | 清华大学 | Detection system and method |
| CN113267519A (en) * | 2021-05-19 | 2021-08-17 | 中国工程物理研究院激光聚变研究中心 | Transient process testing device for detonating explosive impacted by flyer |
| CN113267519B (en) * | 2021-05-19 | 2022-07-15 | 中国工程物理研究院激光聚变研究中心 | Transient process testing device for detonating explosive impacted by flyer |
| 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 |
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| CX01 | Expiry of patent term |
Granted publication date: 20070829 |
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| EXPY | Termination of patent right or utility model |