CN104316547B - Rotary arc detector box for X-ray testing device - Google Patents
Rotary arc detector box for X-ray testing device Download PDFInfo
- Publication number
- CN104316547B CN104316547B CN201410635213.1A CN201410635213A CN104316547B CN 104316547 B CN104316547 B CN 104316547B CN 201410635213 A CN201410635213 A CN 201410635213A CN 104316547 B CN104316547 B CN 104316547B
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- Prior art keywords
- detector
- circular arc
- rotating
- arc detector
- integrated package
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
Abstract
The invention discloses a rotary arc detector box for an X-ray testing device. The rotary arc detector box is characterized by comprising a circular arc detector integrated block and a rotating mechanism which is used for enabling the rotating arc detector box to rotate, wherein an open part of the circular arc detector integrated block faces an X-ray apparatus radiation source; the circular arc detector integrated block is fixed on a rotating shaft on one side far away from the open part, so that the circular arc detector integrated block rotates by taking the rotating shaft as center; the rotating mechanism is arranged on one side far away from the open part of the circular arc detector integrated block. Through the adoption of the rotary arc detector box for the X-ray testing device, disclosed by the invention, the problems that difference exists between two channel indexes, graphic deformations are inconsistent, the geometric correction is simplified can be solved. As a plurality of detector crystals are mounted in parallel, the rotary arc detector box for the X-ray testing device, disclosed by the invention, has better effects for reducing scattering and increasing resolution ratio.
Description
Technical field
The present invention relates to a kind of rotating curved box detector, more particularly to a kind of rotary arc for x-ray inspection equipment
Shape box detector, belongs to article safety detection technology field.
Background technology
X-ray is frequently used for carrying out article safety inspection, for example for recognize luggage, parcel or container in it is violated
Article.X-ray imaging testing equipment be applied to necessary to the occasions such as airport, station, harbour, meeting, exhibition detection meanss it
One.During safety inspection is carried out, article to be checked is needed to carry out relative motion, detection dress with x-ray source and detector
Putting energy active detecting and the article to passing through carries out imaging and shows.For this purpose, the working method of current X-ray safety inspection system
There are two kinds：The first is that radiographic source and detector are not fixed when safety inspection is operated, by radiographic source and the mobile reality of detector
Now to the scanning of inspected object, such case is realized often through on-vehicle safety inspection system.Second is safety inspection behaviour
Radiographic source and detector transfixion when making, inspected object can be moved through ray scanning region, complete scanning, such as luggage peace
Total inspection system.And in order to obtain more preferable scanogram quality, radiographic source and detector when often being operated using safety inspection
Fixed mode.
General imaging system mainly includes following sections.X-ray machine, by ray generating device, produces stable X and penetrates
Line；Front collimator, is positioned in the front end of X-ray beam, and the sweep limitss of X-ray are adjusted；Collimator afterwards：Arrive in X-ray
Scope up to receiving area carries out collimation process.Detector array, receives the X-ray that X-ray machine sends.Its main operational principle
For：The article that the X-ray of X-ray machine transmitting is penetrated through through front collimator, then the collimator after, last detector is received and worn
Saturating ray simultaneously changes into the signal of telecommunication, forms image through process and shows article interior shape.
Existing x-ray inspection equipment is mainly the rectilinearity of L-type box detector and the X-ray machine arrangement of side illuminated, straight line
Type detector is big away from the ray machine target spot range difference opposite sex, and Jing often carries out the image procossing of far and near detector in algorithm and physics aspect.
Often have resolution low, image effect difference the problems such as.
The content of the invention
The technical problem to be solved in the present invention is：A kind of rotating curved box detector for x-ray inspection equipment is provided.
To realize above-mentioned goal of the invention, the invention provides a kind of rotating curved detection for x-ray inspection equipment
Device box, including：Circular arc detector integrated package and the rotating mechanism for making the rotating curved detector and rotate；
The peristome of the circular arc detector integrated package is fixed on towards X-ray machine radiation source, the circular arc type detector
On gyroaxis away from the peristome side, the circular arc type detector integrated package is set to rotate centered on the gyroaxis,
The side that the rotating mechanism is arranged far from the circular arc detector integrated package opening is integrated with the circular arc detector
Block connects.
Wherein more preferably, the circular arc type detector integrated package is fixed on the gyroaxis by swivel mounting member with holes
On, the hole on the revolving support part is linked on the gyroaxis, and the support member is fixed on the circular arc type detector collection
In bulk is away from the peristome side.
Wherein more preferably, the rotating mechanism is in electric pushrod device, hydraulic push rod device, air pressure push rod device
Kind.
Wherein more preferably, the rotating mechanism is electric pushrod device, and the electric pushrod device is included by being powered certainly
Flexible connecting rod is moved, the electric expansion bar includes two ends, and one of end is fixed on the x-ray inspection equipment
On, another end connects on axis of traction of the circular arc type detector integrated package away from the peristome side, the traction
There is sufficiently large distance between axle and the gyroaxis.
Wherein more preferably, one end of the expansion link of the electric pushrod device is to be fixed on the X-ray by rotary shaft
On inspection equipment.
Wherein more preferably, multiple detector crystals are laid with the circular arc of the circular arc detector integrated package.
Wherein more preferably, the center of the detector crystal and the line of target spot and the detector crystal and circular arc are cut
Line is vertical.
Wherein more preferably, the plurality of detector crystal in certain subtended angle scope, pacify side by side by adjacent detector crystal
Dress and with emission source target spot disposed at equal distance.
Wherein more preferably, the plurality of detector crystal is in certain subtended angle scope, between two neighboring detector crystal
Gap be not more than 0.5mm, ray is not scattered.
Wherein more preferably, the rotating curved box detector both sides are provided with two sets of reference location devices, and the benchmark is determined
Position device is the probe datum block with proximity transducer.
Provided by the present invention for the rotating curved box detector of x-ray inspection equipment.Two passage indexs can be solved
The problems such as diversity, the deformation process discordance of image, geometric correction simplicity.Multiple detector crystals are adopted in the present invention
The structure being mounted side by side, is reducing scattering, and effect is more preferable in terms of thread differentiation is improved.
Description of the drawings
Fig. 1 is rotating curved box detector structural representation of the invention；
Fig. 2 is rotating curved box detector circular arc detector integrated block structure schematic diagram of the invention；
The rotating curved box detector rotating mechanism structural representation of Fig. 3 present invention；
Fig. 4 is the left channels operation view of rotating curved box detector of the invention；
Fig. 5 is the right channels operation view of rotating curved box detector of the invention.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Hereinafter implement
Example is not limited to the scope of the present invention for illustrating the present invention.
As shown in figure 1, the present invention provides a kind of rotating curved box detector for x-ray inspection equipment, including circular arc
Shape detector integrated package 1 and the rotating mechanism for rotating rotating curved box detector；The peristome of circular arc detector integrated package 1
Towards X-ray machine radiation source 3, circular arc type detector is held away from the gyroaxis 10 of peristome side, makes circular arc type detector
Integrated package rotates centered on gyroaxis 10, rotating mechanism be arranged far from circular arc detector integrated package 1 opening side with
Circular arc detector integrated package 1 connects.Below the rotating curved box detector that the present invention is provided is launched to describe in detail.
As shown in figure 1, circular arc type detector integrated package 1 is fixed on gyroaxis 10 by revolving support part 11 with holes,
Hole on revolving support part 11 is linked on gyroaxis 10, and revolving support part 11 is fixed on circular arc type detector integrated package and keeps away
Oral area side.
As shown in Fig. 1, Fig. 3 to Fig. 5, the rotating mechanism of rotating curved box detector is electric pushrod device 2, electric pushrod
Device 2 includes the connecting rod 20 by energization automatic telescopic, and electric expansion bar includes two ends, and one of end is fixed on
On x-ray inspection equipment, another end connects circular arc type detector integrated package away from the axis of traction 22 of peristome side, leads
Draw and have between axle 22 and gyroaxis 10 sufficiently large distance.Electric expansion bar 2 is enough to the torque of circular arc type detector integrated package 1
Greatly, circular arc type detector integrated package is made to rotate along gyroaxis 10.Push away electronic to further improve rotating curved box detector
Flexible rotating when lever apparatus 2 stretches, one end of the expansion link of electric pushrod device 2 is to be fixed on X-ray inspection by rotary shaft 21
Look on equipment.When electric expansion bar is flexible, electric pushrod device 2 is also rotated along rotary shaft.Here is it should be noted that originally
In invention, rotating mechanism is not limited to electric pushrod device 2, the device that circular arc type detector integrated package can be made to rotate along gyroaxis 10
(for example, the drive mechanism such as hydraulic means, pneumatic means, gear, sprocket wheel of the invention can be realized.).
As shown in Fig. 2 being laid with multiple detector crystals 5 on the circular arc of circular arc detector integrated package 1.Detector crystal
5 center and the line of target spot are vertical with the tangent line of detector crystal 5 and circular arc.The center of each detector crystal 5 and target spot
Connecting line it is vertical with the tangent line of circular arc with corresponding detector crystal 5 when it is best to the reception of energy.Multiple detectors are brilliant
Body 5 is that in the range of α, adjacent detector crystal is mounted side by side and and emission source in certain subtended angle of the ray of X-ray machine radiation source 3
Target spot disposed at equal distance, and the spacing of adjacent detector crystal is not more than 0.5mm and is arranged such, and compares L-type box detector effective
Reduce the scattering problems of ray.Multiple detector crystals 5 are reducing scattering using the structure being mounted side by side, and improve silk and differentiate
Rate aspect effect is more preferable.In addition detector crystal 5 is mounted side by side, theoretical gap very little, the space reflection without ray, Ke Yiyou
Effect reduces the scattering of marginal ray.
As shown in Figures 1 to 4, the both sides of circular arc detector integrated package 1 are provided with two sets of reference location devices, set in structure
Meter aspect, by rotating curved box detector modularized design, by detector crystal 5 and its installing plate module integrated regulation is made,
Before installation, first by open areas such as outside platforms, the relative collimating slit of each detector crystal 5 is adjusted same
In datum level, i.e. the benchmark of each detector crystal 5 is consistent, and relative position is just consistent.It is such simple, convenient, and
It is easily found datum level.In addition the rotating curved box detector has a fixed rotating mechanism, rotating curved box detector two
There are two sets of reference location devices side, forms an independent rotating curved box detector module.
Provided by the present invention for x-ray inspection equipment rotating curved box detector with the push rod of electric pushrod device 2
The subtended angle stretched in the ray of X-ray machine radiation source 3 be, around the reciprocating rotary of gyroaxis 10, to make detector alignment different in the range of α
The different radioactive sources of passage.Below by this so that rotating curved box detector is applied to dual pathways x-ray inspection equipment as an example, to rotation
The course of work for turning curved detector box is described in detail.This rotating curved box detector rotary power adopts electric pushrod device 2
Drive, rotating curved detector 1 rotate to during left and right two passages adopt two sets of reference location device position rotating curved detectors
Device 1 is rotated in place situation, and reference location device is preferably the probe datum block with proximity transducer.As shown in figure 4, work as making
During with left passage, connecting rod 20 is opened and stretched out, and circular arc detector integrated package 1 turns clockwise around gyroaxis 10.Work as circular arc
After detector integrated package 1 is rotated in place to the left, by the surfaces of revolution of the left reference block setting circle curved detector integrated package 1 of detector
Relative position, using the left reference block of detector proximity transducer determine be rotated in place situation, realize rotating curved detector
Box in left passage accurately in place.During with right passage should be used, as shown in figure 5, connecting rod 20 is shunk, circular arc detector collection
In bulk 1 is around the rotate counterclockwise of gyroaxis 10.After circular arc detector integrated package 1 is rotated in place to the right, by the right base of detector
The relative position of the surfaces of revolution of quasi- block setting circle curved detector integrated package 1, using the proximity transducer of the right reference block of detector
It is determined that be rotated in place situation, realize rotating curved box detector in right passage accurately in place.Rotating curved box detector two
When switching around gyroaxis 10 between passage, the corresponding target position of each detector crystal 5 is consistent, that is, transmitting and reception distance
It is more or less the same, realizes the change concordance of two passage indexs, is easy to image procossing.The rotating curved detection provided by the present invention
It is big to the scan position and scan area of luggage when device box is detected to luggage, it is possible to achieve luggage case keeps flat to be examined on a conveyor
Survey.The present invention realizes the X-ray detection X demand of the different X-ray machines of different passages by rotating mechanism, according to the conveyer belt of screening machine
The goods signal that signal is received, drives the push rod of electric pushrod device 2, realizes corresponding contraction and opening, selective root
It is accurately positioned according to the sensor of detector left/right reference block, becomes the detector of different passages.It is rotating curved that the present invention is provided
Position of the box detector in dual pathways detector belongs to geometrically symmetric position, so the deformation process of the image of two passages can
With the process that adopts the same method, geometric correction aspect is easier.
In sum, provided by the present invention for the rotating curved box detector of x-ray inspection equipment, two can be solved and is led to
The problems such as Dow Jones index target diversity, deformation process discordance of image.The present invention is mounted side by side using adjacent detector crystal
Structure, reduce scattering, improve thread differentiation in terms of effect it is more preferable.The detector arrangement structure of the present invention, luggage case can
To keep flat on a conveyor, scanning effect more preferably, saves conveying pallet, and image effect more preferably, alleviates the workload of security staff.
Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, about the common of technical field
Technical staff, without departing from the spirit and scope of the present invention, can also make a variety of changes and modification, therefore all
The technical scheme of equivalent falls within scope of the invention, and the scope of patent protection of the present invention should be defined by the claims.
Claims (10)
1. a kind of rotating curved box detector for x-ray inspection equipment, it is characterised in that integrated including circular arc detector
Block and the rotating mechanism for rotating the circular arc detector integrated package；
The peristome of the circular arc detector integrated package is fixed towards X-ray machine radiation source, the circular arc detector integrated package
On the gyroaxis away from the peristome side, the circular arc detector integrated package is set to revolve centered on the gyroaxis
Turn, the rotating mechanism is arranged far from the side of the circular arc detector integrated package opening and the circular arc detector collection
In bulk connects；The rotating curved box detector realizes the switching between different passages around the gyroaxis reciprocating rotary, makes
The different radiation source of the integrated block alignment difference security check passage of the detector.
2. rotating curved box detector as claimed in claim 1, it is characterised in that the circular arc detector integrated package passes through
Revolving support part with holes is fixed on the gyroaxis, and the hole on the revolving support part is linked on the gyroaxis, institute
State revolving support part and be fixed on the circular arc detector integrated package away from the peristome side.
3. rotating curved box detector as claimed in claim 1, it is characterised in that the rotating mechanism is electric pushrod dress
Put, any one in hydraulic push rod device, air pressure push rod device, gear drive, chain wheel driving mechanism.
4. rotating curved box detector as claimed in claim 1, it is characterised in that the rotating mechanism is electric pushrod dress
Put, the electric pushrod device includes the connecting rod by energization automatic telescopic, and the connecting rod includes two ends, wherein one
Individual end is fixed on the x-ray inspection equipment, and another end connects the circular arc detector integrated package away from described
On the axis of traction of peristome side, there is sufficiently large distance between the axis of traction and the gyroaxis.
5. rotating curved box detector as claimed in claim 4, it is characterised in that the connecting rod of the electric pushrod device
One end is fixed on the x-ray inspection equipment by rotary shaft.
6. rotating curved box detector as claimed in claim 1, it is characterised in that the circle of the circular arc detector integrated package
Multiple detector crystals are laid with arc.
7. rotating curved box detector as claimed in claim 6, it is characterised in that the center of the detector crystal and target spot
Line it is vertical with the tangent line of the detector crystal and circular arc.
8. rotating curved box detector as claimed in claim 6, it is characterised in that the plurality of detector crystal is necessarily being opened
In angle range, adjacent detector crystal be mounted side by side and with emission source target spot disposed at equal distance.
9. rotating curved box detector as claimed in claim 8, it is characterised in that between two neighboring detector crystal
Gap is not more than 0.5mm, ray is not scattered.
10. rotating curved box detector as claimed in claim 1, it is characterised in that the rotating curved box detector both sides
Two sets of reference location devices are provided with, the reference location device is the probe datum block with proximity transducer.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410635213.1A CN104316547B (en) | 2014-11-05 | 2014-11-05 | Rotary arc detector box for X-ray testing device |
| PCT/CN2015/084144 WO2016070648A1 (en) | 2014-11-05 | 2015-07-15 | Rotary arc-shaped detector box for x-ray checking device |
| BR112016004201-8A BR112016004201B1 (en) | 2014-11-05 | 2015-07-15 | ARC-ROTATING ROTATING DETECTION SET |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410635213.1A CN104316547B (en) | 2014-11-05 | 2014-11-05 | Rotary arc detector box for X-ray testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104316547A CN104316547A (en) | 2015-01-28 |
| CN104316547B true CN104316547B (en) | 2017-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410635213.1A Active CN104316547B (en) | 2014-11-05 | 2014-11-05 | Rotary arc detector box for X-ray testing device |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN104316547B (en) |
| BR (1) | BR112016004201B1 (en) |
| WO (1) | WO2016070648A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316547B (en) * | 2014-11-05 | 2017-04-19 | 同方威视技术股份有限公司 | Rotary arc detector box for X-ray testing device |
| CN106405667B (en) * | 2016-10-20 | 2020-04-14 | 中控智慧科技股份有限公司 | X-ray security inspection machine |
| CN117518282A (en) * | 2023-11-09 | 2024-02-06 | 上海物影科技有限公司 | Miniaturized security inspection CT system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204116251U (en) * | 2014-11-05 | 2015-01-21 | 同方威视技术股份有限公司 | A kind of rotating curved box detector for x-ray inspection equipment |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19950794A1 (en) * | 1999-10-21 | 2001-06-13 | Siemens Ag | Radiological device e.g. for radiological imaging for computer tomography |
| CN2537985Y (en) * | 2002-04-19 | 2003-02-26 | 沈阳东软数字医疗***股份有限公司 | Multi-path X-ray detector |
| CN101470086B (en) * | 2007-12-29 | 2012-11-28 | 清华大学 | Detector apparatus and CT checking system with the same |
| ATE535191T1 (en) * | 2008-05-01 | 2011-12-15 | Koninkl Philips Electronics Nv | SOURCE AND/OR DETECTOR POSITIONING SYSTEM |
| CN101762613B (en) * | 2008-12-24 | 2012-12-26 | 同方威视技术股份有限公司 | Combination device of detector and collimator for X-ray examination and method |
| EP2413090B1 (en) * | 2009-03-24 | 2018-06-06 | Konica Minolta Opto, Inc. | Shape measuring device |
| US20120087464A1 (en) * | 2010-10-09 | 2012-04-12 | Fmi Technologies, Inc. | Multi-source low dose x-ray ct imaging aparatus |
| JP2013186066A (en) * | 2012-03-09 | 2013-09-19 | Ishida Co Ltd | X-ray inspection device |
| CN103674979B (en) * | 2012-09-19 | 2016-12-21 | 同方威视技术股份有限公司 | A kind of luggage and articles CT safe examination system and detector assembly thereof |
| CN104316547B (en) * | 2014-11-05 | 2017-04-19 | 同方威视技术股份有限公司 | Rotary arc detector box for X-ray testing device |
-
2014
- 2014-11-05 CN CN201410635213.1A patent/CN104316547B/en active Active
-
2015
- 2015-07-15 WO PCT/CN2015/084144 patent/WO2016070648A1/en active Application Filing
- 2015-07-15 BR BR112016004201-8A patent/BR112016004201B1/en active IP Right Grant
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204116251U (en) * | 2014-11-05 | 2015-01-21 | 同方威视技术股份有限公司 | A kind of rotating curved box detector for x-ray inspection equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016070648A1 (en) | 2016-05-12 |
| CN104316547A (en) | 2015-01-28 |
| BR112016004201B1 (en) | 2020-11-17 |
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