CN2752764Y - Container survey device capable of tomoscanning - Google Patents
Container survey device capable of tomoscanning Download PDFInfo
- Publication number
- CN2752764Y CN2752764Y CN 200420009905 CN200420009905U CN2752764Y CN 2752764 Y CN2752764 Y CN 2752764Y CN 200420009905 CN200420009905 CN 200420009905 CN 200420009905 U CN200420009905 U CN 200420009905U CN 2752764 Y CN2752764 Y CN 2752764Y
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- radiation source
- swivel mount
- inspection
- annular swivel
- collimating apparatus
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Abstract
A container detection device which may CT fault scanning relates to a large type container detection system for customs. The rail placed which is in the scanning field in the utility model is composed of two segments which form the interruptible structure. The vertical of the interruptible gap is provided with circular ring shaped swivel support which can make the container detection vehicle pass through. The external side of the circular ring shaped swivel support is fixed with the radiation source and corrector opposite to the radiation source, and the inner side of the circular ring shaped swivel support is fixed with the forward collimator, the back collimator and the detector array, and the sector X ray emitted from the radiation source passes through the corrector, the forward collimator and the container detection vehicle, and then the sector X ray is opposite to the back collimator and the detector array. The circular ring shaped swivel support and the annular frame fixed on the ground are hinged together, and driving device makes the ring shape swift do synchronized slewing based on a fixed center. Compared with the prior art, the utility model is provided with reasonable design, convenient use, easy maintaining and reducing the floor space, and the container detection device of the utility model is the essential equipment of checking the large type container for customs.
Description
Technical field
The utility model relates to the used large container inspection system of customs, but the inspection of containers device of CT tomoscan particularly.
Background technology
In the prior art, begin to have the drawing type container examination system to come out, as the van container detection system of German Heyman company and British Aerospace PLC's production from the beginning of the nineties.They are in a building can shield the sense channel of ray, fixed, as to produce sigmatron radiation source is housed and can receives the detector array that passes the container X ray, the vehicle that container will be housed with the driven equipment of special use dragged sense channel, when container passes through in X-ray beam, the X ray that sees through container is through in the detector, according to its Strength Changes, the Density Distribution of the object of adorning in the reflection case, and transmitted intensity is transformed into gradation of image, can obtain the fluoroscopy images of the object of adorning in the case.Chinese patent ZL95103044.2 discloses a kind of name and has been called " self-scan type radiation detection system for large body ", and this system comprises radiation source, collimating tower, track and scanning gantry.Radiation source is as for moving reciprocatingly on the track, and collimating tower and survey tower and place on another group track, and with radiation source is done to be synchronized with the movement by department's clothes driven by motor.Tested large-sized object places the collimating tower track and surveys between the tower track, ray from radiation source passes through collimating tower, enter the detector array of surveying tower after seeing through container, detector receives ray and output charge, be transferred to image workstation after being transformed into number, can obtain the fluoroscopy images of the object of adorning in the case.
The X-radiation imaging check system of above-mentioned present application, because its pick-up unit all fixedly mounts, usually relative object to be detected has only the relative motion of a direction, therefore can only obtain the tomographic projection image, can not obtain the faultage image of object to be detected at a certain position, this has limited the accuracy to complicated container cargo investigating to a certain extent.
Summary of the invention
In order to solve above-mentioned problems of the prior art, but the purpose of this utility model provides a kind of inspection of containers device of CT tomoscan.Use it not only can accomplish routine inspection, can implement the tomography inspection to the Suspected Area of object to be detected simultaneously object to be detected, thus the accuracy of can more effective raising offensive cargo being checked.
In order to reach above-mentioned goal of the invention, the technical solution of the utility model realizes as follows:
But a kind of inspection of containers device of CT tomoscan, it comprises radiation source, corrector, preceding collimating apparatus, back collimating apparatus, detector array and places rail in the scanning area, places the trailer on the rail, the remote control that places the lateral guide on the rail and image collection module, rolling inspection module, electrical control module are housed.Its design feature is, describedly places rail in the scanning area to form by two sections and forms the discontinuous structure, and vertical setting in breaking joint crack can make the annular swivel mount that container inspection vehicle is passed through betwixt.The fixing described radiation source in the outside of annular swivel mount and over against the corrector of radiation source, the inboard of annular swivel mount fixing described before collimating apparatus, back collimating apparatus and detector array and make fan-shaped X ray that radiation source penetrates by rectifier, preceding collimating apparatus, container inspection vehicle after over against back collimating apparatus and detector array.The fixing belt support body in described annular swivel mount and ground is hinged and make the annular swivel mount can do synchronous revolution around a dead center by drive unit.
In above-mentioned testing fixture, described lateral guide adopts bilateral vertical roll type structure.
In above-mentioned testing fixture, described drive unit is made up of motor, speed reduction unit, spur gear, external toothing.Motor outputs power by speed reduction unit, connect spur gear on the reducer output shaft, be fastened on the outer wall of annular swivel mount with the external toothing of spur gear engagement, the angle of revolution scope of external toothing interferes to prevent radiation source and the corrector installed with the annular swivel mount outside in 236 degree.
In above-mentioned testing fixture, described radiation source adopts linac or isotope.
The utility model since with radiation source, preceding collimating apparatus, back collimating apparatus and detector array all be fixed on can rotating annular swivel mount in, when the trailer in placing scanning area on the rail drives container inspection vehicle by the annular swivel mount, can carry out routine examination to detected material.During the dress suspicious object, trailer can be retreated in object to be detected is found, the Suspected Area is retreated to the annular swivel mount, this position places the gap location of the interior rail of scanning area just, can make to be examined article in the scanning process and not have any blocking.Then, start the annular swivel mount CT tomoscan is carried out in the Suspected Area, thereby make check result more accurate.Compare with prior art, the utility model is reasonable in design, easy to use, for ease of maintenaince, reduced floor area, be the indispensable equipment of customs inspection van container.
Below in conjunction with drawings and embodiments the utility model is described further.
Description of drawings
Fig. 1 is a structure scheme of installation of the present utility model;
Fig. 2 is that the A-A of Fig. 1 is to view.
Embodiment
Referring to Fig. 1 and Fig. 2, the utility model comprises and adopts linac or isotopic radiation source 1, corrector 2, preceding collimating apparatus 3, back collimating apparatus 6, detector array 5 and place rail 12 in the scanning area, place the trailer 7 on the rail 12, the lateral guide 13 that places the employing bilateral vertical roll type structure on the rail 12 and the remote control 9 that image collection module, rolling inspection module, electrical control module are housed.Place rail 12 in the scanning area to form by two sections and form the discontinuous structure, vertical setting in breaking joint crack 11 can make the annular swivel mount 4 that container inspection vehicle is passed through betwixt.The fixing described radiation source 1 in the outside of annular swivel mount 4 and over against the corrector 2 of radiation source 1, before the inboard of annular swivel mount 4 is fixing collimating apparatus 3, back collimating apparatus 6 and detector array 5 and make fan-shaped X ray that radiation source 1 penetrates by rectifier 2, preceding collimating apparatus 3, container inspection vehicle after over against back collimating apparatus 6 and detector array 5.The fixing belt support body in described annular swivel mount 4 and ground 10 is hinged and make annular swivel mount 4 can do synchronous revolution around a dead center by drive unit 8.Drive unit 8 is made up of motor, speed reduction unit, spur gear, external toothing.Motor outputs power by speed reduction unit, connect spur gear on the reducer output shaft, be fastened on the outer wall of annular swivel mount 4 with the external toothing of spur gear engagement, the angle of revolution scope of external toothing interferes to prevent radiation source 1 and the corrector 2 installed with annular swivel mount 4 outsides in 236 degree.
Using method of the present utility model is, earlier the front-wheel of container inspection vehicle is placed at outside scanning area on the trailer 7 on the rail 12, and the part trailing wheel of inspection vehicle is placed on the lateral guide 13 on the rail 12.Under the control of remote control 9, make trailer 7 delivery container inspection vehicle carry out the conventional sweep inspection by annular swivel mount 4.When in finding container inspection vehicle suspicious object being housed, control trailer 7 retreats, and the Suspected Area in the container inspection vehicle is moved in the annular swivel mount 4 stop.Start 4 revolutions of annular swivel mount, the CT tomoscan is carried out in the Suspected Area.After having checked, trailer 7 and lateral guide 13 that the driver leaves scan channel with container inspection vehicle wait check result, at this moment can proceed the inspection to next container inspection vehicle.
Show about the picture signal of the image collection module in the remote control 9, rolling inspection module and electrical control module and detector array and the mutual conversion operation and the image of electric signal, be prior art.Do not do at this and to give unnecessary details.
Claims (4)
1, but a kind of inspection of containers device of CT tomoscan, it comprises radiation source (1), corrector (2), preceding collimating apparatus (3), back collimating apparatus (6), detector array (5) and place rail (12) in the scanning area, place the trailer (7) on the rail (12), place the lateral guide (13) on the rail (12) and image collection module is housed, the rolling inspection module, the remote control of electrical control module (9), it is characterized in that, describedly place rail (12) in the scanning area to form and form the discontinuous structure by two sections, vertical setting of breaking joint crack (11) can make the annular swivel mount (4) that container inspection vehicle is passed through betwixt, the fixing described radiation source (1) in the outside of annular swivel mount (4) reaches the corrector (2) over against radiation source (1), the fixing described preceding collimating apparatus (3) in the inboard of annular swivel mount (4), back collimating apparatus (6) and detector array (5) and the fan-shaped X ray that radiation source (1) is penetrated pass through rectifier (2), preceding collimating apparatus (3), over against back collimating apparatus (6) and detector array (5), the fixing belt support body (10) in described annular swivel mount (4) and ground is hinged and make annular swivel mount (4) can do synchronous revolution around a dead center by drive unit (8) after the container inspection vehicle.
But according to the inspection of containers device of the described CT tomoscan of claim 1, it is characterized in that 2, described lateral guide (13) adopts bilateral vertical roll type structure.
But 3, according to the inspection of containers device of claim 1 or 2 described CT tomoscans, it is characterized in that, described drive unit (8) is made up of motor, speed reduction unit, spur gear, external toothing, motor outputs power by speed reduction unit, connect spur gear on the reducer output shaft, be fastened on the outer wall of annular swivel mount (4) with the external toothing of spur gear engagement, the angle of revolution scope of external toothing interferes to prevent radiation source (1) and the corrector (2) installed with annular swivel mount (4) outside in 236 degree.
But according to the inspection of containers device of the described CT tomoscan of claim 3, it is characterized in that 4, described radiation source (1) adopts linac or isotope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420009905 CN2752764Y (en) | 2004-11-26 | 2004-11-26 | Container survey device capable of tomoscanning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420009905 CN2752764Y (en) | 2004-11-26 | 2004-11-26 | Container survey device capable of tomoscanning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2752764Y true CN2752764Y (en) | 2006-01-18 |
Family
ID=35914175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420009905 Expired - Lifetime CN2752764Y (en) | 2004-11-26 | 2004-11-26 | Container survey device capable of tomoscanning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2752764Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100541187C (en) * | 2004-11-26 | 2009-09-16 | 同方威视技术股份有限公司 | But a kind of container check system of CT tomoscan |
| RU2733820C2 (en) * | 2016-03-29 | 2020-10-07 | Тсинхуа Юниверсити | Ct container inspection system |
-
2004
- 2004-11-26 CN CN 200420009905 patent/CN2752764Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100541187C (en) * | 2004-11-26 | 2009-09-16 | 同方威视技术股份有限公司 | But a kind of container check system of CT tomoscan |
| RU2733820C2 (en) * | 2016-03-29 | 2020-10-07 | Тсинхуа Юниверсити | Ct container inspection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: TONGFANGWEISHI TECHNOLOGY CO., LTD. Free format text: FORMER NAME OR ADDRESS: TONGFANG WEISHI TECHNOLOGY CO., LTD., QINGHUA |
|
| CP01 | Change in the name or title of a patent holder |
Address after: A, block 2907, Tsinghua Tongfang Technology Plaza, Beijing, 100083 Patentee after: Nuctech Company Limited Address before: A, block 2907, Tsinghua Tongfang Technology Plaza, Beijing, 100083 Patentee before: Qinghua Tongfang Weishi Tech Co.,Ltd. |
|
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20090916 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |