CN104297809A - X-ray back scattering human security scanner - Google Patents
X-ray back scattering human security scanner Download PDFInfo
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- CN104297809A CN104297809A CN201410624639.7A CN201410624639A CN104297809A CN 104297809 A CN104297809 A CN 104297809A CN 201410624639 A CN201410624639 A CN 201410624639A CN 104297809 A CN104297809 A CN 104297809A
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- head tree
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- scanner
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Abstract
The invention relates to an X-ray back scattering human security scanner which comprises a chassis, two stand columns, a scanning platform, an electrical configuration frame, a power distribution cabinet, a flying-spot scanning mechanism and a signal detector, wherein the flying-spot scanning mechanism and the signal detector are mounted on the scanning platform, and a swing mechanism for driving the flying-spot scanning mechanism to swing up and down is connected to the scanning platform. The X-ray back scattering human security scanner is characterized in that the two stand columns comprise a main stand column and an auxiliary stand column, and the main stand column and the auxiliary stand column are symmetrically mounted on the chassis respectively through fasteners; a side vertical plate is mounted on the inner side of the main stand column, and a lifting mechanism for driving the side vertical plate to vertically lift is arranged on the main stand column; the side vertical plate is connected with the swing mechanism through a supporting shaft, and a connecting frame connected with the auxiliary stand column is arranged on the side vertical plate; an auxiliary balancing mechanism is arranged on the auxiliary stand column, and the power distribution cabinet is mounted on the outer side of the auxiliary stand column. According to the technical scheme, the X-ray back scattering human security scanner is compact in structure, the size of the whole scanner is reduced, and the occupied space and the overall weight are reduced. The scanner vertically swings while horizontally lifting, so that the scanning range is greatly expanded. In addition, due to the matching of the main stand column and the auxiliary stand column, the operation stability is improved, the stress of lead screws is reduced, and the durability of equipment is improved.
Description
Technical field
The invention belongs to radiation safety detection technique field, particularly relate to a kind of for the safety detection of public place to human body, when by security check passage, the X ray backward scattering human-body safety scanner of various metal below people's clothes entrained by body surface and nonmetal contraband goods can be detected fast.
Background technology
X ray backward scattering human-body safety scanner is based on compton backscattering image-forming principle, the non-coherent scattering effect that equipment utilization X ray and matter interaction occur, the free electron of incident x-ray photons and tested substance collides, the portion of energy of photon passes to free electron to be made it to become recoil electron, himself off-energy also changes direction and becomes scattered photon, the x-ray photon of detected material scattering collected by the special scattering detector of equipment, generates the scattered x-ray image of checking matter.
Due to X ray Compton back scattering tomography can highlight by low-Z element form containing enriching carbon, hydrogen, oxygen, nitrogen composition, density has larger material, particularly very effective to detection thin layer shape dangerous substance, so the nonmetal contraband goodss such as sintex, plastic bomb, explosive and drugs that human body carries can be detected.
Back scattering X-ray checkout equipment adopts flying-spot scanner image-forming principle within the unit interval, checking matter only has any to accept radiation exposure, the single of equipment check dosage and leakage agent dose rate extremely low, normally 1/10th of legacy equipment is even lower, to human body fanout free region.
Detector and the X ray emissive source of back scattering X-ray checkout facility are positioned at the same side, make the simple for structure compact of equipment, can implement the hidden inspection to detected material.
When ray energy can not penetrate detected material, back scattering X-ray checkout equipment can implement bilateral inspection to checking matter, within the shortest time, obtain full figure, convenient and swift.
Current X ray security scanner utilizes flying-spot scanner mechanism flying-spot scanner to be divided into horizontal scanning and vertical sweep bidimensional module, but existing defects in vertical sweep process, due to the height limitation of scanner, namely often there will be scanning height inadequate, also there will be dead band in the bottom of scanning simultaneously, also just cannot to scan by the head of scanning person and foot when insufficient height with regard to saying, in order to address the aforementioned drawbacks, way general is at present that the short transverse by scanner extends, coordinate scanning person's standing platform simultaneously, the scanning of whole body can be carried out like this, the defect adopting this technical scheme to exist is exactly the volume greatly increasing scanner, too increase manufacturing cost simultaneously, transportation cost etc., in addition, some scanners increase flying-spot scanner mechanism and in scanning process, swing up and down certain angle, the whole height of reduction scanner that like this can be suitable, but still can not thoroughly solve.
Summary of the invention
The present invention provides a kind of volume little, stable for solving in known technology the technical matters that exists, substantially increases linear sweep limit, ensures the X ray backward scattering human-body safety scanner of scanning linearity.
The technical scheme that the present invention takes for the technical matters existed in solution known technology is:
A kind of X ray backward scattering human-body safety scanner, comprise chassis, column, scanning platform, electrical arrangement frame, power distribution cabinet and the flying-spot scanner mechanism be arranged on surface sweeping platform and signal sensor, described scanning platform is connected with the tilting mechanism driving flying-spot scanner mechanism to swing up and down; It is characterized in that: described column is provided with two, two columns are respectively head tree and secondary column, head tree and secondary column by securing member respectively symmetry be arranged on chassis, inside described head tree, be provided with cant board, described head tree is provided with the elevating mechanism of driving side riser oscilaltion; Cant board connects tilting mechanism by back shaft, described cant board is also provided with and is connected with secondary column link, and described secondary column is provided with secondary balance weight mechanism; In the outside of secondary column, power distribution cabinet is installed.
The present invention can also adopt following technical measures:
The anglec of rotation of the tilting mechanism that described driving flying-spot scanner mechanism swings up and down is-60 ° ~ 60 °
Described elevating mechanism comprises being arranged on inside head tree and is provided with the first line slideway, on described cant board, corresponding first line slideway position is fitted with the first linear slider that linearly guide rail slides up and down, described cant board is connected with the drive unit that driving side riser slides up and down along the first line slideway, described drive unit mainly comprises drive motor, reductor, leading screw and the feed screw nut coordinated with leading screw, wherein said drive motor and reductor are positioned at the top of head tree, the output terminal of described reductor drives leading screw, described feed screw nut is packed on cant board, described leading screw is vertically mounted on head tree, in the upper end of the first line slideway and bottom, correspondence is provided with upper limit travel switch and lower limit travel switch respectively.
Described tilting mechanism comprises the swing riser connecting flying-spot scanner mechanism, and described swing riser is arranged on cant board by back shaft, and the lower end of described swing riser connects scanning platform; Described swing riser is provided with wobble gear, described wobble gear engagement transition gear, described transition gear engagement driving wheel, described driving wheel connects reductor, and reductor connects drive motor, and described drive motor and reductor are mounted on cant board.
Described head tree is also provided with main balance weight mechanism, described main balance weight mechanism mainly comprises capstan support, capstan, leading chain and main balancing weight, wherein said capstan support is fixedly mounted on the top of head tree, capstan support is provided with two capstans, described capstan is fitted with leading chain, the end connection side riser of described leading chain in the inner side of head tree, in the outside of head tree, the end of described leading chain connects main balancing weight; In the outside of head tree, corresponding main balancing weight position is provided with the second line slideway, and described main balancing weight is provided with the second linear slider coordinated with the second line slideway.
Described secondary balance weight mechanism mainly comprises the secondary guide chain on auxiliary connection column link, and described secondary guide chain is engaged on secondary guide wheel, and described secondary guide wheel is arranged on secondary wheel bracket, the end auxiliary connection balancing weight of described secondary guide chain in the outside of secondary column; In the outside of secondary column, corresponding secondary balancing weight position is provided with the 3rd line slideway, and described secondary balancing weight is provided with the 3rd linear slider coordinated with the 3rd line slideway.
The above-mentioned electrical arrangement frame of the hinged installation of rear side of described power distribution cabinet.
The advantage that the present invention has and good effect are: because the present invention adopts technique scheme, make structure of the present invention compacter, reduce overall volume and the weight of scanner; Tilting mechanism of the present invention and elevating mechanism synchronous operation, namely while horizontal lifting, swing up and down, and considerably increases the sweep limit of scanner like this, shortens the time of scanner single sweep operation simultaneously; The balance weight mechanism set up in addition improves the stability that scanner runs, and reduces the stressed of leading screw, improves the permanance of equipment, ensure that scanning linearity simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is A direction view in Fig. 1;
Fig. 4 is B direction view in Fig. 1;
Fig. 5 is C direction view in Fig. 1;
Fig. 6 is D direction view in Fig. 1.
In figure: 1, chassis; 2, column; 3, electrical arrangement frame; 4, power distribution cabinet; 5, surface sweeping platform; 6, flying-spot scanner mechanism; 7, tilting mechanism; 7-1, swing riser; 7-2, back shaft; 7-3, wobble gear; 7-4, transition gear; 7-5, driving wheel; 7-6, reductor; 7-7, drive motor; 8, head tree; 8-1, cant board; 9, secondary column; 10, elevating mechanism; 10-1, the first line slideway; 10-2, the first linear slider; 10-3, drive unit; 10-30, drive motor; 10-31, reductor; 10-32, leading screw; 10-33, feed screw nut; 10-4, upper limit travel switch; 10-5, lower limit travel switch; 11, secondary column link; 12, secondary balance weight mechanism; 12-1, secondary guide chain; 12-2, secondary guide wheel; 12-3, secondary wheel bracket; 12-4, secondary balancing weight; 12-5, the 3rd line slideway; 12-6, the 3rd linear slider; 13, main balance weight mechanism; 13-1, capstan support; 13-2, capstan; 13-3, leading chain; 13-4, main balancing weight; 13-5, the second line slideway; 13-6, the second linear slider, 14, signal sensor.
Embodiment
For summary of the invention of the present invention, Characteristic can be understood further, especially exemplified by following examples, and accompanying drawing is coordinated to be described in detail as follows:
Refer to Fig. 1 to Fig. 6, a kind of X ray backward scattering human-body safety scanner, comprise chassis 1, column 2, electrical arrangement frame 3, power distribution cabinet 4, surface sweeping platform 5 and the flying-spot scanner mechanism 6 be arranged on surface sweeping platform and signal sensor 14, described scanning platform is connected with the tilting mechanism 7 driving flying-spot scanner mechanism to swing up and down; Described column is provided with two, two columns are respectively head tree 8 and secondary column 9, head tree and secondary column by securing member respectively symmetry be arranged on chassis 1, inside described head tree, be provided with cant board 8-1, described head tree is provided with the elevating mechanism 10 of driving side riser 8-1 oscilaltion; Cant board 8-1 connects tilting mechanism 7 by back shaft, and described cant board 8-1 is also provided with and is connected with secondary column link 11, described secondary column is provided with secondary balance weight mechanism 12; This secondary balance weight mechanism mainly alleviates leading screw load, improves the stability that equipment runs.
In the outside of secondary column 9, power distribution cabinet 4 is installed.
The anglec of rotation of the tilting mechanism 7 that described driving flying-spot scanner mechanism swings up and down is-60 ° ~ 60 °.
Described elevating mechanism 10 comprises being arranged on inside head tree and is provided with the first line slideway 10-1, on described cant board 8-1, corresponding first line slideway position is fitted with the first linear slider 10-2 that linearly guide rail slides up and down, described cant board 8-1 is connected with the drive unit 10-3 that driving side riser 8-1 slides up and down along the first line slideway, described drive unit mainly comprises drive motor 10-30, reductor 10-31, leading screw 10-32 and the feed screw nut 10-33 coordinated with leading screw, wherein said drive motor 10-30 and reductor 10-31 is positioned at the top of head tree 8, the output terminal of described reductor 10-31 drives leading screw 10-32, described feed screw nut 10-33 is packed on cant board 8-1, described leading screw is vertically mounted on head tree 8, in the upper end of the first line slideway and bottom, correspondence is provided with upper limit travel switch 10-4 and lower limit travel switch 10-5 respectively.
Described tilting mechanism 7 comprises the swing riser 7-1 connecting flying-spot scanner mechanism 6, and described swing riser is arranged on cant board 8-1 by back shaft 7-2, and the lower end of described swing riser 7-1 connects scanning platform 5; Described swing riser is provided with wobble gear 7-3, described wobble gear engagement transition gear 7-4, described transition gear engagement driving wheel 7-5, described driving wheel connects reductor 7-6, reductor connects drive motor 7-7, and described drive motor and reductor are mounted on cant board 8-1.
Described head tree is also provided with main balance weight mechanism 13, this balance weight mechanism mainly alleviates leading screw load, improves the stability that equipment runs; Described main balance weight mechanism 13 mainly comprises capstan support 13-1, capstan 13-2, leading chain 13-3 and main balancing weight 13-4, wherein said capstan support 13-1 is fixedly mounted on the top of head tree 8, capstan support 13-1 is provided with two capstan 13-2, described capstan is fitted with leading chain 13-3, the end connection side riser 8-1 of described leading chain 13-3 in the inner side of head tree 8, in the outside of head tree 8, the end of described leading chain 13-3 connects main balancing weight 13-4; In the outside of head tree, corresponding main balancing weight position is provided with the second line slideway 13-5, and described main balancing weight 13-4 is provided with the second linear slider 13-6 coordinated with the second line slideway.
Described secondary balance weight mechanism 12 mainly comprises the secondary guide chain 12-1 on auxiliary connection column link 11, described secondary guide chain is engaged on secondary guide wheel 12-2, described secondary guide wheel 12-2 is arranged on secondary wheel bracket 12-3, at the end auxiliary connection balancing weight 12-4 of the described secondary guide chain 12-1 in the outside of secondary column 9; In the outside of secondary column, corresponding secondary balancing weight position is provided with the 3rd line slideway 12-5, and described secondary balancing weight is provided with the 3rd linear slider 12-6 coordinated with the 3rd line slideway.
The rear side hinged installation electrical arrangement frame 3 of described power distribution cabinet 4, can reduce the volume size of power distribution cabinet so further, improve integral space utilization ratio.
Adopt technique scheme, make structure of the present invention compacter, reduce overall volume and the weight of scanner; Tilting mechanism of the present invention and elevating mechanism synchronous operation, namely while horizontal lifting, swing up and down, and considerably increases the sweep limit of scanner like this, shortens the time of scanner single sweep operation simultaneously; The balance weight mechanism set up in addition improves the stability that scanner runs, and reduces the stressed of leading screw, improves the permanance of equipment, ensure that scanning linearity simultaneously.
The above is only to preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, every according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all belong in the scope of technical solution of the present invention.
Claims (7)
1. an X ray backward scattering human-body safety scanner, comprise chassis, column, scanning platform, electrical arrangement frame, power distribution cabinet and the flying-spot scanner mechanism be arranged on surface sweeping platform and signal sensor, described scanning platform is connected with the tilting mechanism driving flying-spot scanner mechanism to swing up and down; It is characterized in that: described column is provided with two, two columns are respectively head tree and secondary column, head tree and secondary column by securing member respectively symmetry be arranged on chassis, inside described head tree, be provided with cant board, described head tree is provided with the elevating mechanism of driving side riser oscilaltion; Cant board connects tilting mechanism by back shaft, described cant board is also provided with and is connected with secondary column link, and described secondary column is provided with secondary balance weight mechanism; In the outside of secondary column, power distribution cabinet is installed.
2. X ray backward scattering human-body safety scanner according to claim 1, is characterized in that: the anglec of rotation of the tilting mechanism that described driving flying-spot scanner mechanism swings up and down is-60 ° ~ 60 °.
3. X ray backward scattering human-body safety scanner according to claim 1, it is characterized in that: described elevating mechanism comprises the first line slideway be arranged on inside head tree, on described cant board, corresponding first line slideway position is fitted with the first linear slider that linearly guide rail slides up and down, described cant board is connected with the drive unit that driving side riser slides up and down along the first line slideway, described drive unit mainly comprises drive motor, reductor, leading screw and the feed screw nut coordinated with leading screw, wherein said drive motor and reductor are positioned at the top of head tree, the output terminal of described reductor drives leading screw, described feed screw nut is packed on cant board, described leading screw is vertically mounted on head tree, in the upper end of the first line slideway and bottom, correspondence is provided with upper limit travel switch and lower limit travel switch respectively.
4. X ray backward scattering human-body safety scanner according to claim 1, it is characterized in that: described tilting mechanism comprises the swing riser connecting flying-spot scanner mechanism, described swing riser is arranged on cant board by back shaft, and the lower end of described swing riser connects scanning platform; Described swing riser is provided with wobble gear, described wobble gear engagement transition gear, described transition gear engagement driving wheel, described driving wheel connects reductor, and reductor connects drive motor, and described drive motor and reductor are mounted on cant board.
5. X ray backward scattering human-body safety scanner according to claim 1, it is characterized in that: described head tree is also provided with main balance weight mechanism, described main balance weight mechanism mainly comprises capstan support, capstan, leading chain and main balancing weight, wherein said capstan support is fixedly mounted on the top of head tree, capstan support is provided with two capstans, described capstan is fitted with leading chain, the end connection side riser of described leading chain in the inner side of head tree, in the outside of head tree, the end of described leading chain connects main balancing weight; In the outside of head tree, corresponding main balancing weight position is provided with the second line slideway, and described main balancing weight is provided with the second linear slider coordinated with the second line slideway.
6. X ray backward scattering human-body safety scanner according to claim 1, it is characterized in that: described secondary balance weight mechanism mainly comprises the secondary guide chain on auxiliary connection column link, described secondary guide chain is engaged on secondary guide wheel, described secondary guide wheel is arranged on secondary wheel bracket, the end auxiliary connection balancing weight of described secondary guide chain in the outside of secondary column; In the outside of secondary column, corresponding secondary balancing weight position is provided with the 3rd line slideway, and described secondary balancing weight is provided with the 3rd linear slider coordinated with the 3rd line slideway.
7., according to the arbitrary described X ray backward scattering human-body safety scanner of claim 1 to 6, it is characterized in that: the above-mentioned electrical arrangement frame of the hinged installation of rear side of described power distribution cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410624639.7A CN104297809B (en) | 2014-11-07 | 2014-11-07 | X-ray back scattering human-body safety scanner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410624639.7A CN104297809B (en) | 2014-11-07 | 2014-11-07 | X-ray back scattering human-body safety scanner |
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| CN104297809A true CN104297809A (en) | 2015-01-21 |
| CN104297809B CN104297809B (en) | 2017-09-12 |
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| CN201410624639.7A Active CN104297809B (en) | 2014-11-07 | 2014-11-07 | X-ray back scattering human-body safety scanner |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040125914A1 (en) * | 2002-10-16 | 2004-07-01 | Tsinghua University & Nuctech Company Limited | Vehicle-carried mobile container inspection apparatus |
| CN202275161U (en) * | 2011-10-20 | 2012-06-13 | 天津重方科技有限公司 | Device for widening linear scanning range of ray |
| CN203433126U (en) * | 2013-06-26 | 2014-02-12 | 深圳黎明镒清图像技术有限公司 | Lifting full body perspective security inspection device |
| CN103913474A (en) * | 2014-03-27 | 2014-07-09 | 桂林市南方检测有限责任公司 | Steel large vertical storage tank X ray automatic detection equipment |
| CN204228975U (en) * | 2014-11-07 | 2015-03-25 | 天津重方科技有限公司 | X ray backward scattering human-body safety scanner |
-
2014
- 2014-11-07 CN CN201410624639.7A patent/CN104297809B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040125914A1 (en) * | 2002-10-16 | 2004-07-01 | Tsinghua University & Nuctech Company Limited | Vehicle-carried mobile container inspection apparatus |
| CN202275161U (en) * | 2011-10-20 | 2012-06-13 | 天津重方科技有限公司 | Device for widening linear scanning range of ray |
| CN203433126U (en) * | 2013-06-26 | 2014-02-12 | 深圳黎明镒清图像技术有限公司 | Lifting full body perspective security inspection device |
| CN103913474A (en) * | 2014-03-27 | 2014-07-09 | 桂林市南方检测有限责任公司 | Steel large vertical storage tank X ray automatic detection equipment |
| CN204228975U (en) * | 2014-11-07 | 2015-03-25 | 天津重方科技有限公司 | X ray backward scattering human-body safety scanner |
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| CN104297809B (en) | 2017-09-12 |
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