CN1401997A - Gamma-ray radiation source device for container inspecting system - Google Patents
Gamma-ray radiation source device for container inspecting system Download PDFInfo
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- CN1401997A CN1401997A CN02130951.5A CN02130951A CN1401997A CN 1401997 A CN1401997 A CN 1401997A CN 02130951 A CN02130951 A CN 02130951A CN 1401997 A CN1401997 A CN 1401997A
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- radiation source
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- ray radiation
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Abstract
A gamma-ray raidation source for container inspecting system is composed of base, gamma-ray source storage, ray source working chamber, rotary shielding shutter, drive handle of shutter, and collimator. Its advantages are compact structure, small size and wide inspection range.
Description
Technical field:
The present invention relates to the gamma-ray radiation source device of container examination system, belong to the Application of Nuclear Technology field.
Background technology:
In the prior art, since the nineties, Germany Heyman company, British Aerospace PLC and French Shi Lunbeixie company's product information and Chinese patent ZL93102728.4 are described, all use electron accelerator (electrostatic accelerator or linear accelerator) to do its sigmatron source, electron accelerator can satisfy the energy requirement of container examination system to ray as radiographic source, but has following defective:
1. equipment is huge, heavy, is unsuitable for mobile container detection system, and with the radiographic source of accelerator as the rigid container detection system, total system needs complicated dragging system;
2. radiation from machine intensity is very high, the barrier shield thickness at the main position of protective construction reaches more than 2 meters, and the sigmatron radiation that accelerator produces is not an isotropy, the subtended angle of used irradiation field is generally about 30 °, thereby for making irradiation field contain large-scale tested objects such as container carrier, distance will reach 10 meters with far between detector array and the accelerator, and the occupation of land of whole container examination system is very big;
3. electron accelerator itself is the system of a complexity, and operation needs special operating personnel, and the maintenance amount is very big, and price is high.
Summary of the invention:
The purpose of this invention is to provide the gamma-ray radiation source device that is used for container examination system that a kind of volume is little, sensing range is big.
Gamma-ray radiation source device of the present invention is made up of pedestal, gamma-ray radiation source apotheca, radiation source operating room, rotary shielding shutter, shutter driving handle, collimating apparatus six parts.Gamma-ray radiation source apotheca, radiation source operating room, collimating apparatus are installed on the pedestal.The radiation source operating room is a tubular construction, the rear end is spherical, and the slotted hole by the rear end links to each other with the gamma-ray radiation source apotheca, and the cylindrical portion in the radiation source operating room has the ladder cylindrical hole, can insert rotary shielding shutter, collimating apparatus is installed in the front of radiation source operating room outgoing linear slit.
Gamma-ray radiation source device of the present invention is simple in structure, volume is little, sensing range is big, simple to operate, easy to maintenance.
Description of drawings:
Fig. 1 is a gamma-ray radiation source device structural representation of the present invention
Fig. 2 is rotary shielding shutter structure synoptic diagram
Fig. 3 is the A-A cut-open view of Fig. 2
Embodiment:
Accompanying drawings embodiment is as follows:
Fig. 1 is a gamma-ray radiation source device structural representation of the present invention, and wherein 1 is pedestal, and 2 is the gamma-ray radiation source apotheca, and 3 is the radiation source operating room, and 4 is rotary shielding shutter, and 5 is collimating apparatus, and 6 is the shutter driving handle.
Radiation source operating room 3 is a tubular construction, the rear end is spherical, the rear end spherical part has a slotted hole, the radiation source conduit is entered, be connected with radiation source locker room 2 by the radiation source conduit, in the time of in working order, make radiation source be in sphere center position and locking by the operate source conveying equipment, 3 front ends are cylindrical holes in the radiation source operating room, the cylindrical rotary shielding shutter 4 of can packing into, on cylindrical shield shutter 4 axis, there is a fan-shaped slit (to see Fig. 2,3), drive the shutter rotation by the shutter driving handle shielding shutter slit and radiation source working position are switched on or switched off, during connection, ray can penetrate from seam, when the shielding shutter turns over certain angle, shield fast goalkeeper's alpha ray shield.The radiation source operating room can make with heavy metal material such as lead or tungsten or its alloy, and cast iron or steel plate welding shell are then adopted in the outside.Collimating apparatus 5 is the plumbous or iron arc body in square-section, and there is collimating slit the centre, is used for beam is collimated.
Security of operation for radiation source device, position and the shutter state of radiation source in radiation source device inside all is provided with monitoring device, dose monitoring is adopted in the monitoring of radiation source positions, utilizes radiation source different positions of monitoring radiation source with the dosage in the operating room in the locker room.And two kinds of means are adopted in the monitoring of shielding shutter position: the one, in shielding shutter the place ahead the dosage probe is installed, and monitoring dosage is to determine the on off state of shielding shutter; The 2nd, the position of shielding shutter is monitored with limit switch at two extreme positions of shielding shutter release, shutter " is opened " " pass " situation provide signal.
For avoiding the maloperation of unrelated person to radiation source device, outer cover can be set on radiation source device, electric control lock and mechanical lock are installed on outer cover.
Claims (1)
1. gamma-ray radiation source device that is used for container examination system, it is characterized in that radiation source device is by pedestal, the gamma-ray radiation source apotheca, the radiation source operating room, rotary shielding shutter, the shutter driving handle, collimating apparatus six parts are formed, the gamma-ray radiation source apotheca, the radiation source operating room, collimating apparatus is installed on the pedestal, the radiation source operating room is a tubular construction, the rear end is spherical, slotted hole by the rear end links to each other with the gamma-ray radiation source apotheca, cylindrical portion in the radiation source operating room has the ladder cylindrical hole, can insert rotary shielding shutter, collimating apparatus is installed in the front of radiation source operating room outgoing linear slit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021309515A CN1173170C (en) | 2002-09-23 | 2002-09-23 | Gamma-ray radiation source device for container inspecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021309515A CN1173170C (en) | 2002-09-23 | 2002-09-23 | Gamma-ray radiation source device for container inspecting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1401997A true CN1401997A (en) | 2003-03-12 |
| CN1173170C CN1173170C (en) | 2004-10-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021309515A Expired - Lifetime CN1173170C (en) | 2002-09-23 | 2002-09-23 | Gamma-ray radiation source device for container inspecting system |
Country Status (1)
| Country | Link |
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| CN (1) | CN1173170C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005001457A1 (en) * | 2003-06-27 | 2005-01-06 | Tsinghua University | Gamma radiation imaging system for non-destructive inspection of the luggage |
| CN104198507A (en) * | 2014-09-16 | 2014-12-10 | 北京一体通探测技术有限公司 | Shutter device for shielding rays and ray scanning imaging system |
| CN106370676A (en) * | 2016-08-30 | 2017-02-01 | 北京华力兴科技发展有限责任公司 | Accelerator shielding vessel with collimating mechanism and container/vehicle inspection equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101436439B (en) * | 2008-12-23 | 2011-09-28 | 镇江市亿华系统集成有限公司 | Gamma-ray follower for radioactive source |
-
2002
- 2002-09-23 CN CNB021309515A patent/CN1173170C/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005001457A1 (en) * | 2003-06-27 | 2005-01-06 | Tsinghua University | Gamma radiation imaging system for non-destructive inspection of the luggage |
| US7424094B2 (en) | 2003-06-27 | 2008-09-09 | Tsinghua University | Gamma radiation imaging system for non-destructive inspection of the luggage |
| CN104198507A (en) * | 2014-09-16 | 2014-12-10 | 北京一体通探测技术有限公司 | Shutter device for shielding rays and ray scanning imaging system |
| CN106370676A (en) * | 2016-08-30 | 2017-02-01 | 北京华力兴科技发展有限责任公司 | Accelerator shielding vessel with collimating mechanism and container/vehicle inspection equipment |
| CN106370676B (en) * | 2016-08-30 | 2023-11-14 | 北京华力兴科技发展有限责任公司 | Accelerator shielding container with alignment mechanism and container/vehicle inspection equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1173170C (en) | 2004-10-27 |
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Granted publication date: 20041027 |
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| CX01 | Expiry of patent term |