CN2711727Y - Miniature gamma ray industrial computerized tomography imaging device - Google Patents
Miniature gamma ray industrial computerized tomography imaging device Download PDFInfo
- Publication number
- CN2711727Y CN2711727Y CN 200420062667 CN200420062667U CN2711727Y CN 2711727 Y CN2711727 Y CN 2711727Y CN 200420062667 CN200420062667 CN 200420062667 CN 200420062667 U CN200420062667 U CN 200420062667U CN 2711727 Y CN2711727 Y CN 2711727Y
- Authority
- CN
- China
- Prior art keywords
- detector array
- lifting
- utility
- gamma ray
- model
- 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
- Measurement Of Radiation (AREA)
Abstract
The utility model discloses a miniature gamma ray industrial computerized tomography imaging device, the utility model is provided with a resource system which is composed of a gamma ray source, a source cask, and a front collimator, the utility model is also provided with a detection system which is composed of a rear collimator, a detector array, and a detector array rack, and the resource system and the detection system are respectively installed on two groups of carriage of the horizontal direction motion mechanism which are composed of a stepping motor-a lead screw-a guide rail-a carriage; a lifting/rotation working platform is arranged between the resource system and the detection system, and a fixture or a magnet suction tool which is used for fixing object is arranged at the working platform. The utility model has the advantages of micromation ICT device, flexible portability, high resolution, and better reliability, and the utility model can also be convenient to proceed CT scan and measure for all kinds of the miniature objects.
Description
Technical field
The utility model is based on the transmission-type computer tomography scanned imagery apparatus of γ photon and matter interaction principle, a kind of miniature gamma-rays ICT device of more specifically saying so.
Background technology
At present, domestic and international existing industrial computed tomography imaging device (being called for short the ICT device) all is the large and medium-sized CT machine that utilizes x-ray source, its Heavy Weight, and volume is big, and complex structure uses the hardening of spectrum effect of x-ray source more serious, revises trouble.Inconvenience detects small workpiece again, costs an arm and a leg, and should not promote the use of.
The utility model content
The purpose of this utility model provide a kind of P/C than high, use gamma ray projector, resolution height, good reliability, be suitable for the miniature industrial computed tomography imaging device of middle-size and small-size object detection.
The technical solution of the utility model is as follows:
A kind of miniature gamma-rays industrial computed tomography imaging device, gamma ray projector is arranged, the source cask flask, the origin system that preceding collimating apparatus constitutes, back collimating apparatus, detector array, detector array props up the detection system that is configured to, it is characterized in that having a base, the platform of one hollow is installed on the base, the platform two ends are equipped with two groups of horizontal motion mechanisms that are made of stepper motor-leading screw-guide rail-planker, described origin system, detection system is installed in respectively on two groups of plankers by the horizontal motion mechanism of stepper motor-leading screw-guide rail-planker formation; Back collimating apparatus is two blocks of fan-shaped shielding material laths, between two blocks of fan-shaped shielding material laths detector array is installed; Base central authorities are equipped with one lifting/rotary table, anchor clamps or magnet suction tool or vacuum cup that the fixation measuring object is used are installed on the worktable, the lifting of lifting/rotary table partly is made of stepper motor-leading screw-guide rail-top board, rotating disc is installed on the top board, and rotating disc is by step motor drive.
The measurement object that gamma-rays source core, lifting/rotary table are fixed, this three of central point of detector array must remain on the horizontal linear.
Before the collimating aperture of collimating apparatus be the flat fan hole, equal the height in collimating device collimation hole, back or the height of detector cells from the height of the flat fan beam of flat fan collimating aperture outgoing.
Detector array is made up of 128 road or 256 road or 512 tunnel little detectors, and type photodetector is the scintillator and the silicon photoelectric diode of optically-coupled with it.
Gamma ray projector is selected
137The Cs radiographic source.
Scintillator is cadmium tungstate CdWO
4Or cesium iodide CsI (TL).
The utility model adopts gamma-rays transmission-type computed tomography imaging technique (CT), and gamma ray projector and detector lay respectively at the both sides of measured object, and their phase mutual edge distance scalable, to change scan vision, adapts to the measured object that varies in size.
Collimating apparatus is shaped as the flat fan bundle to gamma-rays before utilizing.
Detection is adopted and is passed electronic system mainly by detector array (for example CsI (TL) or CdWO
4The detector of scintillator and silicon photoelectric diode type), compositions such as special IC, differentiating amplifier, analog to digital converter, central processing module, various interface, data I/O card or frame data capture card.
For reducing the influence of edge effect, the subtended angle of preceding collimating apparatus flat fan collimating aperture must be slightly larger, guarantees that the flat fan beam energy of outgoing covers the outward flange at circular arc detector array two ends.
In order to reduce the influence that interpolation is brought, the annular detector array is made up of multichannel (for example 128 road or 256 road or 512 tunnel), little detector unit.
Selected gamma ray projector be monoenergetic, half life period long, radioactive isotope power supply that the active region size is less, that activity is suitable, for example 0.1～1.0 Curie
137Cs.
Gamma ray projector shielding exposure cage has the source automatic opening-closing, link together with preceding collimating apparatus, constitute origin system, be installed on the planker of the horicontal motion mechanism of forming by screw mandrel, guide rail, stepper motor, planker etc., stepper motor promotes screw mandrel makes origin system and planker along two guide rails front and back translations, and the back up pad of two guide rails is fixed on an end of platform.Annular back collimator array and annular detector array (all the source core with gamma ray projector the is the center of circle) formation that links together detection system, be installed on the planker, stepper motor promotes screw mandrel makes detection system along two guide rails front and back translations, and the back up pad of two guide rails is fixed on the other end of platform.By platform radiographic source system and detection system are fused, collimating aperture is listed on the same surface level with back collimating aperture, detector array before guaranteeing, by base lifting/rotary table and radiographic source system, detection system are fused, point on the corresponding height on the rotation of assurance lifting/rotary table and ray source core and detector array central point are on same horizontal linear.Lifting/rotary table is made up of elevating movement mechanism (comprising screw mandrel, stepper motor, guide rod, top board etc.) and base, rotating disc, rotating mechanism etc., is positioned at the hollow space of platform.The rotating disc bottom surface is installed with a power wheel, and bearing is installed in the power wheel, is fixed with an axle on the top board, and bearing is fixedlyed connected with axle, and power wheel is by step motor drive.But radiographic source system, detection system and lifting/rotary table three self-movement again.The rotating mechanism integral installation is on the screw mandrel of elevating movement mechanism, and lifting motor promotes elevating screw together with rotating mechanism one lifting.In order to make measured object steady when rotated, sectional fixture or inhale tool (magnetic is inhaled tool or vacuum cup), fixedly measured object on rotating disc.
The horicontal motion mechanism that screw mandrel, stepper motor, guide rod, planker constitute is: slide block is installed on the screw mandrel, chute is arranged on the guide rod, the chute on slide block and the guide rod cooperates, be fixed with planker on the slide block, the step motor drive screw mandrel rotates, and when slide block moved along chute, planker was also along with moving.This type of mechanism belongs to the known technology scope.
The elevating movement mechanism of lifting/rotary table and the rotating disc at top can have other version, all are the scopes that belong to known mechanical technique.
The utility model connection is adopted and is passed electronic system, controls automatically, department of computer science unifies Flame Image Process, analysis and display system, can make CT scan to measured object and measure.It is widely used in the Non-Destructive Testing and the Nondestructive Evaluation in fields such as Aeronautics and Astronautics, military project, machinery, automobile, iron and steel, oil, chemical industry.
The miniature gamma-rays ICT device that the utility model is related, movable machinery structure light and flexible, volume is little, uses the monoenergetic gamma rays source, and radsafe is good, is suitable for middle-size and small-size object detection.The resolution height, P/C is promoted the use of than good, has good prospects.
The utility model good reliability, resolution height, light and flexible, volume is little, security performance good, P/C is than high, is suitable for the small-sized object of centering and makes the precision CT scan and detect.
Description of drawings
Fig. 1 is the utility model fundamental diagram;
Fig. 2 is the utility model integrated machine structure front elevation;
Fig. 3 is the utility model integrated machine structure vertical view;
Fig. 4 is the utility model lifting/rotary table structural representation.
Fig. 5 is another kind of lifting/rotary table structural representation.
The parts of the label among each figure are as follows:
1. gamma-rays fan beam
2. the detector array of fan-shaped array (128 tunnel, 256 road or 512 tunnel)
3. special IC (ASIC)
4. differentiating amplifier
5. analog to digital converter (A/D)
6. central processing module (on-site programmable gate array FPGA)
7. reset
8. the user is provided with
9. static RAM (SRAM)
10. control interface (RS485)
11. control
12. image data storage
13. data
14. origin system tangential movement step motor drive
15. detection system tangential movement step motor drive
16. computer interface (difference)
The step motor drive 17. rotatablely move
18. local interface
19. elevating movement step motor drive
20. power supply
21. data I/O card or standard frame data collecting card
22.PC machine
23. gamma ray projector cask flask
24. gamma ray projector
25. preceding collimating apparatus
26. source automatic opening-closing
27. the flat collimating aperture of preceding collimating apparatus
28. back collimating apparatus
29. detector array frame
30. source container is installed planker
31. detector array is installed planker
32. source container moves horizontally the guide rail of usefulness
33. the detector horizontal array moves the guide rail of usefulness
34. platform
35. support
36. support
37. screw mandrel
38. stepper motor
39. screw mandrel
40. stepper motor
41. source container locking keyhole
42. anchor clamps or suction tool
43. rotating disc
44. bearing
45. rotation motor
46. guide rod
47. elevating screw
48. lifting stepper motor
49. elevating movement mechanism pillar
50. lifting/rotary table base
51. base plate
52. feet (4)
53. measured workpiece
54. stepper motor
55. chute
56. slide block
57. top board
58. rotating disc
59. bearing
60. power wheel
61. axle
62. stepper motor
63. screw mandrel
Embodiment
Referring to Fig. 1, behind the unlatching source automatic opening-closing 26, the gamma ray projector 24 that is contained in shielding exposure cage 23 centers, source sends gamma-rays and is shaped as flat fan beam 1 through the flat collimating aperture 27 of preceding collimating apparatus 25, after penetrating measured object 53 certain transverse fault, enter back collimating apparatus 28, arrive detector array 2, detector array 2 by scintillator and with it the silicon photoelectric diode of optically-coupled form, the electric current of silicon photoelectric diode in the detector array 2 output is through special IC 3 (microelectronic circuit that contains multichannel charge amplifier and Port Multiplier) integration, this microelectronic circuit provide two continuous corresponding amplifiers begin with signal integration after the simulation output of output voltage.These simulating signals are given modulus (A/D) converter 5 of a 14bit behind the differentiating amplifier 4 of an elimination modal noise.Digital signal after the conversion is sent into field programmable gate array (FPGA) 6, and this gate array 6 provides central Based Intelligent Control, and provides control signal and regularly for system motion.When sampling reached some increments, system sent into the increment data image data memory 12 storages of 24bit.The setting of the control of integral time, sub sampling and turnover rate is transmitted through RS485 interface 10 with system architecture information, and is stored in the static RAM (SRAM) 9.
What dock with PC 22 is data I/O card (for example EPP, PCI-7300A) or frame data capture card 21.
Referring to Fig. 2 and Fig. 3, source cask flask 23, the gamma ray projector 24 and preceding collimating apparatus 25, the source automatic opening-closing 26 that are contained in the source container center formation origin system that links together, be installed on the end planker 30 of platform 34, constitute origin system movable machinery structure with stepper motor 38, screw mandrel 37, guide rail 32, when needs are regulated, promote screw mandrel 37 by stepper motor 38 and make origin system and planker 30 thereof along guide rail 32 front and back translations.Be that collimating apparatus 28 constitutes detection systems with detector array 29, detector array 2 after the circular arc in the center of circle with the radiographic source, detector array frame 29 is installed between two blocks of fan-shaped tungalloy laths of back collimating apparatus 28, detector array 2 is installed on the detector array frame 29, detection system is installed on the planker 31, constitute detection system movable machinery structure with stepper motor 40, screw mandrel 39, guide rail 33, when needs are regulated, promote screw mandrel 39 by stepper motor 40 detection system and planker 31 thereof are moved forward and backward along guide rail 33.Lifting/rotary table is positioned at the hollow position of platform 34.Origin system tangential movement machinery structure and detection system tangential movement machinery structure are separately fixed on the platform 34, and platform 34 is fixed on support 35 and 36, and these two pairs of supports are fixed on the base plate 51.Lifting/the physical construction that rotatablely moves also is fixed on the base plate 51.Floor below has 4 wheels and dogbolt 52, can be fixed on somewhere after whole device is moved to the somewhere.
Detector array is made up of 256 road or 512 tunnel little detectors, and type photodetector is scintillator [cadmium tungstate CdWO for example
4Or cesium iodide CsI (TL)] be connected with silicon photoelectric diode.
Gamma ray projector is selected 0.1～1.0 Curie's
137The Cs radiographic source.
Back collimating apparatus is made by tungalloy.
Referring to Fig. 4, lifting/rotary table structure adopts upper, middle and lower-ranking march-past structure: the upper strata, be the structure that rotatablely moves, form by anchor clamps 42, rotating disc 43, bearing 44, guide rod 46 and stepper motor 45, the middle level, be elevating movement mechanism, form by screw mandrel 47, stepper motor 48 and pillar 49.Lower floor is chassis 50, and elevating movement mechanism is installed above, is connected and fixed with base plate 51 below.Rotational motion mechanism rotates a circle (360 °), does a section (transverse fault) scanning, and elevating movement mechanism is made for the section scanning of differing heights and uses.Rotating stepper motor 45 promote rotating discs 43 and fixedly 3～4 guide rods 46 of usefulness rotatablely move together, does a section (two dimension) and scans.When needs were made 3-D scanning, lifting stepper motor 48 promotes screw mandrel 47 and pillar 49 is done elevating movement together, and the physical construction that promotes to rotatablely move moves to the tomoscan of making two dimension on each different height, reconstructs the three dimensional CT image by Flame Image Process then.
Fig. 5 is the structure of another kind of lifting/rotary table.Whole elevating mechanism is installed on the base 50, includes the cylinder that has chute 55, has slide block 56 to cooperate in the chute 55, and the centre of slide block 56 is equipped with screw mandrel 63, and screw mandrel 63 is driven by stepper motor 54, and the top of slide block 56 is top boards 57.When stepper motor 54 rotated, screw mandrel 63 also rotated, and then drive slide block 56 moves up or down the realization elevating function in chute 55.Axle 61 is installed on the top board 57, and rotating disc 58 bottom surfaces are equipped with power wheel 60, and bearing 59 is installed in the power wheel 60, and bearing 59 and axle 61 cooperate fixing, and stepper motor also is installed on the top board 57, drive power wheel 60, realize spinfunction.
Claims (6)
1, a kind of miniature gamma-rays industrial computed tomography imaging device, gamma ray projector is arranged, the source cask flask, the origin system that preceding collimating apparatus constitutes, back collimating apparatus, detector array, detector array props up the detection system that is configured to, it is characterized in that having a base, the platform of one hollow is installed on the base, the platform two ends are equipped with two groups of horizontal motion mechanisms that are made of stepper motor-leading screw-guide rail-planker, described origin system, detection system is installed in respectively on two groups of plankers by the horizontal motion mechanism of stepper motor-leading screw-guide rail-planker formation; Back collimating apparatus is two blocks of fan-shaped shielding material laths, between two blocks of fan-shaped shielding material laths fan-shaped detector array is installed; Base central authorities are equipped with one lifting/rotary table, anchor clamps or magnet suction tool or vacuum cup that the fixation measuring object is used are installed on the worktable, the lifting of lifting/rotary table partly is made of stepper motor-leading screw-guide rail-top board, rotating disc is installed on the top board, and rotating disc is by step motor drive.
2, scanned imagery device according to claim 1 is characterized in that the fixing measurement object of gamma-rays source core, lifting/rotary table, this three of central point of detector array must remain on the horizontal linear.
3, scanned imagery device according to claim 1, the collimating aperture of collimating apparatus is the flat fan hole before it is characterized in that, equals the height in collimating device collimation hole, back or the height of detector cells from the height of the flat fan beam of flat fan collimating aperture outgoing.
4, scanned imagery device according to claim 1 is characterized in that detector array is made up of 128 road or 256 road or 512 tunnel little detectors, and type photodetector is the scintillator and the silicon photoelectric diode of optically-coupled with it.
5, scanned imagery device according to claim 1 is characterized in that the gamma ray projector selection
137The Cs radiographic source.
6, scanned imagery device according to claim 4 is characterized in that scintillator is cadmium tungstate CdWO
4Or cesium iodide CsI (TL).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420062667 CN2711727Y (en) | 2004-07-13 | 2004-07-13 | Miniature gamma ray industrial computerized tomography imaging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420062667 CN2711727Y (en) | 2004-07-13 | 2004-07-13 | Miniature gamma ray industrial computerized tomography imaging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2711727Y true CN2711727Y (en) | 2005-07-20 |
Family
ID=36192833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420062667 Expired - Fee Related CN2711727Y (en) | 2004-07-13 | 2004-07-13 | Miniature gamma ray industrial computerized tomography imaging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2711727Y (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832954A (en) * | 2010-03-15 | 2010-09-15 | 中国工程物理研究院应用电子学研究所 | Mobile assembly for pencil beam XCT (X-ray Computed Tomography) system and a method for carrying out image reconstruction and coordinate system origin calibration by using same |
| CN101071110B (en) * | 2006-05-08 | 2011-05-11 | 清华大学 | Cargo safety inspection method based on spiral scanning stereo imaging |
| CN102253401A (en) * | 2011-04-28 | 2011-11-23 | 上海交通大学 | Mechanical device used for scanning measurement of chromatographic Gamma |
| CN103983650A (en) * | 2014-05-15 | 2014-08-13 | 重庆大学 | Multi-degree-of-freedom and multi-angle rotating device |
| CN104792805A (en) * | 2015-04-16 | 2015-07-22 | 中国原子能科学研究院 | Transmission detector and interpolation data calculation method |
| CN105403579A (en) * | 2015-12-16 | 2016-03-16 | 天津三英精密仪器有限公司 | CT detection suitable for long sample |
| CN105545293A (en) * | 2014-10-30 | 2016-05-04 | 中国石油集团长城钻探工程有限公司 | Compensated neutron logging device front end circuit |
| CN105726054A (en) * | 2016-05-09 | 2016-07-06 | 中国科学院苏州生物医学工程技术研究所 | Double-circular arc track CT (computed tomography) scanner |
| CN107485409A (en) * | 2017-09-19 | 2017-12-19 | 董成武 | A kind of ct apparatus |
| CN111736200A (en) * | 2020-03-09 | 2020-10-02 | 上海交通大学 | Scintillator surface array gamma ray waste bin scanning device and using method thereof |
| CN112147669A (en) * | 2020-09-27 | 2020-12-29 | 四川科瑞达电子技术有限公司 | Neutron array detection mechanical platform and electromechanical control system |
| CN113640857A (en) * | 2021-06-30 | 2021-11-12 | 中国原子能科学研究院 | Device and method for measuring position resolution of drift tube detector |
| CN113916915A (en) * | 2021-09-24 | 2022-01-11 | 洛阳中信成像智能科技有限公司 | CT detection protection device for fragile bronze cultural relics |
| CN114295648A (en) * | 2021-12-28 | 2022-04-08 | 华清核测科技(苏州)有限公司 | Nondestructive testing device based on ray radiation imaging system |
| CN116812439A (en) * | 2022-07-04 | 2023-09-29 | 同方威视技术股份有限公司 | Conveying system and detection device |
| CN118151214A (en) * | 2024-01-05 | 2024-06-07 | 上海阿波罗机械股份有限公司 | Test block detection device |
-
2004
- 2004-07-13 CN CN 200420062667 patent/CN2711727Y/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101071110B (en) * | 2006-05-08 | 2011-05-11 | 清华大学 | Cargo safety inspection method based on spiral scanning stereo imaging |
| CN101832954A (en) * | 2010-03-15 | 2010-09-15 | 中国工程物理研究院应用电子学研究所 | Mobile assembly for pencil beam XCT (X-ray Computed Tomography) system and a method for carrying out image reconstruction and coordinate system origin calibration by using same |
| CN102253401A (en) * | 2011-04-28 | 2011-11-23 | 上海交通大学 | Mechanical device used for scanning measurement of chromatographic Gamma |
| CN103983650A (en) * | 2014-05-15 | 2014-08-13 | 重庆大学 | Multi-degree-of-freedom and multi-angle rotating device |
| CN103983650B (en) * | 2014-05-15 | 2016-04-06 | 重庆大学 | Multiple degrees of freedom, multi-angle rotary device |
| CN105545293A (en) * | 2014-10-30 | 2016-05-04 | 中国石油集团长城钻探工程有限公司 | Compensated neutron logging device front end circuit |
| CN104792805A (en) * | 2015-04-16 | 2015-07-22 | 中国原子能科学研究院 | Transmission detector and interpolation data calculation method |
| CN104792805B (en) * | 2015-04-16 | 2017-09-12 | 中国原子能科学研究院 | A kind of transmission detectors and interpolated data computational methods |
| CN105403579A (en) * | 2015-12-16 | 2016-03-16 | 天津三英精密仪器有限公司 | CT detection suitable for long sample |
| CN105726054A (en) * | 2016-05-09 | 2016-07-06 | 中国科学院苏州生物医学工程技术研究所 | Double-circular arc track CT (computed tomography) scanner |
| CN107485409A (en) * | 2017-09-19 | 2017-12-19 | 董成武 | A kind of ct apparatus |
| CN111736200A (en) * | 2020-03-09 | 2020-10-02 | 上海交通大学 | Scintillator surface array gamma ray waste bin scanning device and using method thereof |
| CN112147669A (en) * | 2020-09-27 | 2020-12-29 | 四川科瑞达电子技术有限公司 | Neutron array detection mechanical platform and electromechanical control system |
| CN112147669B (en) * | 2020-09-27 | 2022-08-26 | 四川省工程装备设计研究院有限责任公司 | Neutron array detection mechanical platform and electromechanical control system |
| CN113640857A (en) * | 2021-06-30 | 2021-11-12 | 中国原子能科学研究院 | Device and method for measuring position resolution of drift tube detector |
| CN113916915A (en) * | 2021-09-24 | 2022-01-11 | 洛阳中信成像智能科技有限公司 | CT detection protection device for fragile bronze cultural relics |
| CN114295648A (en) * | 2021-12-28 | 2022-04-08 | 华清核测科技(苏州)有限公司 | Nondestructive testing device based on ray radiation imaging system |
| CN116812439A (en) * | 2022-07-04 | 2023-09-29 | 同方威视技术股份有限公司 | Conveying system and detection device |
| CN116812439B (en) * | 2022-07-04 | 2024-05-31 | 同方威视技术股份有限公司 | Conveying system and detection device |
| CN118151214A (en) * | 2024-01-05 | 2024-06-07 | 上海阿波罗机械股份有限公司 | Test block detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2711727Y (en) | Miniature gamma ray industrial computerized tomography imaging device | |
| CN104714245B (en) | The half tomographic gamma scan method that middle cool waste bucket measures | |
| CN201218802Y (en) | Novel structure of portable and movable CT-CBS dual-purpose machine | |
| US9044152B2 (en) | Rotatable drum assembly for radiology imaging modalities | |
| WO2004051311A3 (en) | Radiation scanning units including a movable platform | |
| CN102253401A (en) | Mechanical device used for scanning measurement of chromatographic Gamma | |
| CN102854208B (en) | Ray back scattering imaging system for discriminating depth information | |
| GB2452620A (en) | Device and method for inspecting aviation cargo containers for contraband | |
| CN101034479A (en) | Image rebuilding method and X-ray CT equipment | |
| CN103472081B (en) | A kind of robotization energy translation analytical test platform | |
| CN106483554B (en) | Detecting system | |
| GB2453627A (en) | Device for rotating and inspecting cargo container | |
| CN117405707A (en) | Nuclear waste packaging body dual-mode synchronous scanning detection device | |
| CN110361770B (en) | Detection device and detection method for sector array detector chromatography gamma scanning nuclear waste barrel | |
| CN1737549A (en) | Tomography equipment and method therefor | |
| CN2262708Y (en) | Compton back scattering scanner | |
| CN113552610A (en) | Chromatography gamma scanning device and method based on array cadmium zinc telluride detector | |
| CN117233819A (en) | Multi-functional multi-mode measuring device of bulky radioactive waste bucket | |
| CN217007699U (en) | Nuclide detection device for medium and low radioactive wastes | |
| CN203749434U (en) | Multi-modal homomorphic isochronic medical image imaging system | |
| CN111722259B (en) | Low-level radioactive waste barrel subsection gamma scanning device | |
| CN111736200B (en) | Scintillator surface array gamma ray waste bin scanning device and using method thereof | |
| CN211094200U (en) | SPECT host | |
| CN212780581U (en) | Industrial CT mechanism | |
| CN2711728Y (en) | Array three-dimension scanner structure for portable gamma ray detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050720 |