CN2262709Y - Transmission/compton back scattering dual-purpose 3-D ray tomoscanning imaging apparatus - Google Patents
Transmission/compton back scattering dual-purpose 3-D ray tomoscanning imaging apparatus Download PDFInfo
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- CN2262709Y CN2262709Y CN 95240734 CN95240734U CN2262709Y CN 2262709 Y CN2262709 Y CN 2262709Y CN 95240734 CN95240734 CN 95240734 CN 95240734 U CN95240734 U CN 95240734U CN 2262709 Y CN2262709 Y CN 2262709Y
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- planker
- guide rail
- arc
- cbs
- stepper motor
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Abstract
The utility model relates to a transmission/Compton back scattering dual-purpose 3D faultage scanning imaging device, which can realize multiple scanning movements of transmission type and Compton back scattering type. The utility model is characterized in that the same side of a radiation source is provided with a replaceable straight guide rail and an arc-shaped guide rail. A detector is arranged on the guide rails and can slide on the guide rails, and the detector is used for Compton back scattering measurement. The utility model adopts a separate type structure, and a large square opening is arranged between an upper trailing bar and a lower trailing bar. A rotary table is arranged below the large square opening and is fixed on a stand, and an object to be measured is placed on the rotary table. The utility model not only can detect high density materials, but also can detect low-density materials. The utility model has the advantages of convenient operation, flexible running and good reliability.
Description
The utility model relates to a kind of ray tomoscan imaging device of miniaturization, it had both possessed transmission-type tomoscan imaging (TICT-Transmission Industrial Computed Tomography) function, possesses compton backscattering formula scanned imagery (CBS-Compton Backscatter Scanning) function again, can be widely used in the Nondestructive Evaluation of industrial products more, the luggage of port and customs and the Non-Destructive Testing of container.
(patent No. is ZL932 24674.5 to the CHD101 type ICT machine of succeeding in developing in 1993, name is called the industrial computed tomography imaging device), technological performance, but volume is big, Heavy Weight only has single transmission function, and because must detect from the measured object both sides, therefore, the size of measured object is restricted.This ICT machine is suitable for medium and high density material are done Non-Destructive Testing.And the LBD101 type high-accuracy portable compton backscattering scanning machine (CBS) that succeed in developing August nineteen ninety-five is suitable for one-sided detection low density material, thin-walled, the multilayer from measured object, the object of complex geometry, is restricted but detect thickness medium and high density village material.
The detection of CHD101 type ICT machine is adopted the biography system and is adopted counting calibration type, comprises counting calibration circuit and microcomputer interface; LBD101 type CBS machine adopts the energy spectrum analysis type, comprises spectral measurement analysis circuit and microcomputer interface, all is that the signal reconstruction that will gather transmission by principal computer is a three-dimensional image, and shows on display.
The purpose of this utility model provides the three-dimensional ray tomoscan imaging of a kind of transmission/compton backscattering dual-purpose type (TICT/CBS) device.
The utility model realizes that the above-mentioned purpose technical solution is:
1, a kind of transmission/compton backscattering dual-purpose type three-dimension disclocation scanned imagery device, counting calibration circuit (16) is arranged, spectral measurement analysis circuit (17), microcomputer interface (18), principal computer (19) and display (20) etc., planker (2) down is housed on base (1), on the planker (2) planker (3) is being housed down, side on last planker (3) is equipped with radiation source and cask flask (4) thereof, radiation source is contained in the center of cask flask, preceding collimating apparatus and cask flask link together, the back collimating apparatus (22) that is used for transmission-type tomoscan imaging (TICT) is installed in opposite side on the planker (3) with detector array and interpolation telecontrol equipment (5) thereof, can do the motion of arc interpolation with respect to radiation source; The back collimating apparatus (23) that is used for compton backscattering formula scanning imagery (CBS) is fitted together and is installed in straight shape guide rail (15) or arc-shaped guide rail (7) with detector (8), straight shape guide rail (15) or arc-shaped guide rail (7) and radiation source and cask flask (4) thereof are installed in the same side on the planker (3), last, the center of following planker has the large square hole, be installed in rotary table (6) that being used on the base lay testee extended large square hole when doing elevating movement, planker (2) was done transverse movement and is realized transversal scanning under stepper motor (9) drove, stepper motor (10) drives the TICT detector array and interpolation telecontrol equipment (5) is done the motion of arc interpolation, planker (3) is done radial motion and is measured the visual field to regulate in stepper motor (11) driving, stepper motor (12) drives CBS detector (8) is realized CBS along straight shape guide rail (15) motion depth direction scanning, stepper motor (13) driven in rotation worktable (6) is realized vertical scanning do elevating movement, and stepper motor (14) driven in rotation worktable (6) rotates.
2, in the same sides of radiation source container (4), go up at last planker (3) removable straight shape guide rail (15) or arc-shaped guide rail (7) be installed, with the scattering angle of arc-shaped guide rail (7) adjustment compton backscattering, can under the Compton scattering angle situation of determining, make the CBS scanning survey of the degree of depth with straight shape guide rail (15) to measured object (21).
3, by means of the open loop servo-control system, promptly utilize switchable micro-processor controlled driving system of stepping motor, realize the automatic three-dimensional scanning motion of TICT and CBS dual mode;
(1) TICT mode scanning motion comprises that planker does radial motion, and rotary table rotates and the detector array arc frame is done the interpolation motion.
(2) CBS mode scanning motion comprises that the CBS detector is done to slide to realize that different depth (Z to) detects on straight shape guide rail, rotary table is done elevating movement and realized that differing heights (X to) detects, and following planker is done transverse movement and realized that laterally (Y to) detects.
4. surveying the feature of adopting the biography system is: TICT adopts the calibration attribute, and CBS adopts the energy spectrum analysis type.The data acquisition that the TICT detector joined, amplification and multichannel analyzer, microcomputer interface etc. are made the modular plate, are inserted in the cabinet of Desktop Computer or in the extension box of portable microcomputer, take direct communication.
Owing to the utlity model has transmission and two kinds of scanning imagery functions of compton backscattering, can detect low density material again so can detect high density material, be suitable for detecting the less high-accuracy workpiece of size.This installation weight and size are less, and be simple in structure, easy to operate, goes slick good reliability, ratio of performance to price height.
Below in conjunction with an accompanying drawing and a preferred embodiment (the dual-purpose Industrial CT Machine of LBD201 type TICT/CBS) the utility model is described in further detail, the effect that makes the public further understand above-mentioned purpose of the present utility model and can reach is so that the public grasps technological means of the present utility model better.But the utility model is not limited by described embodiment.
Description of drawings:
Fig. 1 is the front view of a kind of embodiment of the utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the structured flowchart of the utility model embodiment.
The parts that label among each figure is represented are as follows:
1. complete machine base
2. descend planker
3. go up planker
4. radiation source cask flask and tower seat thereof
5. the detector array (6 BGO scintillation detectors) and the interpolation telecontrol equipment thereof that are used for TICT
6. rotary table
7. be used to adjust the arc-shaped guide rail that the CBS scattering angle is the detector orientation
8.CBS detector (single NaI (TL) detector)
9. control the sporting drive motor of planker down
10. control the sporting drive motor of interpolation
11. the sporting drive motor of planker in the control
12. the drive motor that control CBS detection system is slided along straight shape guide rail
13. the drive motor of control rotary table elevating movement
14. the drive motor that the control rotary table rotatablely moves
15. be used for the straight shape guide rail that the CBS detector slides
16. counting calibration circuit
17. spectral measurement analysis circuit
18. microcomputer interface
19. principal computer
20. display
21. measured object
22. be used for the back collimating apparatus of TICT
23. be used for the back collimating apparatus of CBS
Embodiment:
Referring to Fig. 1 and Fig. 2, behind radiation source system 4, the TICT behind collimating apparatus 22, detector array 5 and the CBS collimating apparatus 23, detector 8 all be positioned on the planker 3.Measured object 21 places on the rotary table 6.Last planker 3 is driven and can be done radial motion with respect to following planker 2 by stepper motor 11, and following planker 2 is driven and can be done transverse movement with respect to base 1 by stepper motor 9.For guaranteeing certain relative motion scope, planker 2 and 3 in the middle of the place all have 210 * 210mm
2Square opening.Thereby radiation source, detector array 5 can be done relatively laterally with respect to measured object 21, radial motion.Rotary table 6 can make measured object 21 rotate (driving by means of stepper motor 11) and elevating movement (driving by means of stepper motor 13).The motion of TICT scanning interpolation is realized with drive motor 10 by arc frame under the detector array 5 and interpolation.
Referring to Fig. 2, in the CBS method of operation, CBS detector 8 is driven along straight shape guide rail 15 by stepper motor 12 and moves, and can make the degree of depth (Z to) scanning survey to measured object 21, and at this moment putting fixed detector position angle is 135 °.2 motions of following planker can be made laterally (Y to) scanning survey to measured object 21.Rotary table 6 is only done elevating movement, can make vertical (X to) scanning survey to measured object 21.In the TICT method of operation, rotary table rotatablely moves, and fladellum can be made ray and scanning survey to measured object 21; The interpolation motion can increase measured object 21 and do different projection scannings measurements; Rotary table 6 elevating movements can be made different " section " scanning surveys to measured object 21.
Referring to Fig. 2, in the CBS method of operation, also can select arc-shaped guide rail 7 for use, it is different compton backscattering angle in corresponding 90 °～180 ° scopes that detector slides along camber line thereon.
Referring to Fig. 3, the signal that TICT detector array 5 or CBS detector 8 obtain is respectively through calibration counter circuit 16 and spectral measurement analysis circuit 17, microcomputer interface 18, send into principal computer 19, again through image reconstruction with handle after can obtain the tomoscan image of testee 21 inside and be shown on the monitor 20.
Claims (3)
1, a kind of transmission/compton backscattering dual-purpose type three-dimension disclocation scanned imagery device, counting calibration circuit (16) is arranged, spectral measurement analysis circuit (17), microcomputer interface (18), principal computer (19) and display (20) etc., it is characterized in that on base (1), being equipped with planker (2) down, on the planker (2) planker (3) is being housed down, side on last planker (3) is equipped with radiation source and cask flask (4) thereof, radiation source is contained in the center of cask flask, preceding collimating apparatus and cask flask link together, the back collimating apparatus (22) that is used for transmission-type tomoscan imaging (TICT) is installed in opposite side on the planker (3) with detector array and interpolation telecontrol equipment (5) thereof, can do the motion of arc interpolation with respect to radiation source; The back collimating apparatus (23) that is used for compton backscattering formula scanning imagery (CBS) is fitted together and is installed in straight shape guide rail (15) or arc-shaped guide rail (7) with detector (8), straight shape guide rail (15) or arc-shaped guide rail (7) and radiation source and cask flask (4) thereof are installed in the same side on the planker (3), last, the center of following planker has the large square hole, be installed in rotary table (6) that being used on the base lay testee extended large square hole when doing elevating movement, planker (2) was done transverse movement and is realized transversal scanning under stepper motor (9) drove, stepper motor (10) drives the TICT detector array and interpolation telecontrol equipment (5) is done the motion of arc interpolation, planker (3) is done radial motion and is measured the visual field to regulate in stepper motor (11) driving, stepper motor (12) drives CBS detector (8) is realized CBS along straight shape guide rail (15) motion depth direction scanning, stepper motor (13) driven in rotation worktable (6) is realized vertical scanning do elevating movement, and stepper motor (14) driven in rotation worktable (6) rotates.
2, a kind of transmission according to claim 1/compton backscattering dual-purpose type three-dimension disclocation scanned imagery device, it is characterized in that in radiation source container (4) the same side, at last planker (3) removable straight shape guide rail (15) or arc-shaped guide rail (7) go up to be installed, with the scattering angle of arc-shaped guide rail (7) adjustment compton backscattering, can under the Compton scattering angle situation of determining, make the CBS scanning survey of the degree of depth with straight shape guide rail (15) to measured object (21).
3, a kind of transmission according to claim 2/compton backscattering dual-purpose type three-dimension disclocation scanned imagery device is characterized in that selected compton backscattering angle is 135 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95240734 CN2262709Y (en) | 1996-10-25 | 1996-10-25 | Transmission/compton back scattering dual-purpose 3-D ray tomoscanning imaging apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95240734 CN2262709Y (en) | 1996-10-25 | 1996-10-25 | Transmission/compton back scattering dual-purpose 3-D ray tomoscanning imaging apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2262709Y true CN2262709Y (en) | 1997-09-17 |
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ID=33882257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95240734 Expired - Fee Related CN2262709Y (en) | 1996-10-25 | 1996-10-25 | Transmission/compton back scattering dual-purpose 3-D ray tomoscanning imaging apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2262709Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1779444B (en) * | 2004-11-26 | 2010-04-14 | 清华大学 | Safety CT inspector for liquid by ray resource |
| CN1779451B (en) * | 2004-11-26 | 2010-04-28 | 清华大学 | Back scattering safety inspector for liquid by radioactive resource |
| CN101655465B (en) * | 2009-08-28 | 2012-03-07 | 北京睿思厚德辐射信息科技开发有限公司 | Dotted line composite scanning backscattered and stereo transmission imaging device |
| CN102824698A (en) * | 2012-09-10 | 2012-12-19 | 田永刚 | Miniature adjustable directional irradiation device for animal experiment |
| CN104808253A (en) * | 2015-05-20 | 2015-07-29 | 钦州学院 | Container inspection device |
| CN105866589A (en) * | 2016-05-16 | 2016-08-17 | 中国电子科技集团公司第四十研究所 | Imaging and electrical parameter testing system of transmission-type unit detector |
-
1996
- 1996-10-25 CN CN 95240734 patent/CN2262709Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1779444B (en) * | 2004-11-26 | 2010-04-14 | 清华大学 | Safety CT inspector for liquid by ray resource |
| CN1779451B (en) * | 2004-11-26 | 2010-04-28 | 清华大学 | Back scattering safety inspector for liquid by radioactive resource |
| CN101655465B (en) * | 2009-08-28 | 2012-03-07 | 北京睿思厚德辐射信息科技开发有限公司 | Dotted line composite scanning backscattered and stereo transmission imaging device |
| CN102824698A (en) * | 2012-09-10 | 2012-12-19 | 田永刚 | Miniature adjustable directional irradiation device for animal experiment |
| CN104808253A (en) * | 2015-05-20 | 2015-07-29 | 钦州学院 | Container inspection device |
| CN105866589A (en) * | 2016-05-16 | 2016-08-17 | 中国电子科技集团公司第四十研究所 | Imaging and electrical parameter testing system of transmission-type unit detector |
| CN105866589B (en) * | 2016-05-16 | 2019-06-04 | 中国电子科技集团公司第四十一研究所 | A kind of imaging of transmission-type single-element detector and electric parameter detecting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |