CN104316547A - Rotary arc detector box for X-ray testing device - Google Patents
Rotary arc detector box for X-ray testing device Download PDFInfo
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- CN104316547A CN104316547A CN201410635213.1A CN201410635213A CN104316547A CN 104316547 A CN104316547 A CN 104316547A CN 201410635213 A CN201410635213 A CN 201410635213A CN 104316547 A CN104316547 A CN 104316547A
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- detector
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- integrated package
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- 239000013078 crystal Substances 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000005855 radiation Effects 0.000 claims abstract description 6
- 238000007689 inspection Methods 0.000 claims description 23
- 239000000523 sample Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000012937 correction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 3
- 230000004069 differentiation Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
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 ionising 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
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- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
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, particularly a kind of rotating curved box detector for x-ray inspection equipment, belongs to safety of goods detection technique field.
Background technology
X ray through being usually used in carrying out safety inspection to article, such as, for identifying the prohibited items in luggage, parcel or container.X-ray imaging checkout equipment is applied to one of required detection means of the occasions such as airport, station, harbour, meeting, exhibition.In the process of carrying out safety inspection, need examine article and x-ray source and detecting device to carry out relative motion, pick-up unit energy active detecting also carries out imaging display to the article passed through.For this reason, the working method of current X-ray safety inspection system has two kinds: when the first is safety inspection operation, radiographic source and detector are not fixed, by the mobile scanning realized inspected object of radiographic source and detector, this situation realizes often through on-vehicle safety check system.Radiographic source and detector transfixion when the second is safety inspection operation, inspected object can move through ray scanning region, completes scanning, as luggage safety checking system.And in order to obtain better scan image quality, radiographic source and detector fixed mode when often adopting safety inspection to operate.
General imaging system mainly comprises following a few part.X-ray machine, by ray generating device, produces stable X ray; Front collimating apparatus, is positioned in the front end of X-ray bundle, regulates the sweep limit of X ray; Rear collimating apparatus: the scope arriving receiving area at X ray carries out collimation process.Detector array, receives the X ray that X-ray machine sends.Its main operational principle is: the article that penetrate through through front collimating apparatus of X ray that X-ray machine is launched, then through collimating apparatus later, last detector receives the ray that penetrates and changes into electric signal, shows article interior shape through process formation image.
The existing x-ray inspection equipment mainly rectilinearity of L-type box detector and the X-ray machine of side illuminated is arranged, linear pattern detector is large apart from the ray machine target spot range difference opposite sex, carries out the image procossing of far and near detector through be everlasting algorithm and physics aspect.Often there is resolution low, the problems such as image effect difference.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of rotating curved box detector for x-ray inspection equipment.
For realizing above-mentioned goal of the invention, the invention provides a kind of rotating curved box detector for x-ray inspection equipment, comprising: circular arc detector integrated package and the rotating mechanism making described rotating curved detector and rotation;
The peristome of described circular arc detector integrated package is towards X-ray machine radiation source, described circular arc type detector is fixed on the revolving shaft away from described peristome side, described circular arc type detector integrated package is rotated centered by described revolving shaft, and the side that described rotating mechanism is arranged on away from described circular arc detector integrated package opening is connected with described circular arc detector integrated package.
Wherein more preferably, described circular arc type detector integrated package is fixed on described revolving shaft by swivel mounting member with holes, borehole jack on described revolving support part is combined on described revolving shaft, and described support member is fixed on described circular arc type detector integrated package away from described peristome side.
Wherein more preferably, described rotating mechanism is the one in electric pushrod device, hydraulic push rod device, air pressure push rod device.
Wherein more preferably, described rotating mechanism is electric pushrod device, described electric pushrod device comprises the connecting link by the automatic telescopic that is energized, described electric expansion bar comprises two ends, one of them end winding support is on described x-ray inspection equipment, another end connects on the axis of traction of described circular arc type detector integrated package away from described peristome side, has enough large distance between described axis of traction and described revolving shaft.
Wherein more preferably, one end of the expansion link of described electric pushrod device is fixed on described x-ray inspection equipment by rotation axis.
Wherein more preferably, the circular arc of described circular arc detector integrated package is laid with multiple detector crystal.
Wherein more preferably, the center of described detector crystal is vertical with the tangent line of circular arc with described detector crystal with the line of target spot.
Wherein more preferably, described multiple detector crystal within the scope of certain subtended angle, adjacent detector crystal install side by side and with emissive source target spot disposed at equal distance.
Wherein more preferably, described multiple detector crystal is within the scope of certain subtended angle, and the gap between adjacent two detector crystals is not more than 0.5mm, makes ray scattering not occur.
Wherein more preferably, described rotating curved box detector both sides are provided with two cover reference location devices, and described reference location device is the probe datum block of band proximity transducer.
Rotating curved box detector for x-ray inspection equipment provided by the invention.The problem such as deformation process inconsistency, geometry correction simplicity of the otherness of two passage indexs, image can be solved.In the present invention, multiple detector crystal adopts the structure of installing side by side, in reduction scattering, and better effects if in raising thread differentiation.
Accompanying drawing explanation
Fig. 1 is the rotating curved box detector structural representation of the present invention;
Fig. 2 is the present invention's rotating curved box detector circular arc detector integrated block structure schematic diagram;
Fig. 3 the present invention rotating curved box detector rotating mechanism structural representation;
Fig. 4 is the left channels operation view of the rotating curved box detector of the present invention;
Fig. 5 is the right channels operation view of the rotating curved box detector of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 1, the invention provides a kind of rotating curved box detector for x-ray inspection equipment, comprise circular arc detector integrated package 1 and the rotating mechanism 2 making rotating curved detector and rotation; The peristome of circular arc detector integrated package 1 is towards X-ray machine radiation source 3, circular arc type detector is fixed on and keeps away on the revolving shaft 10 of oral area side, circular arc type detector integrated package is rotated centered by revolving shaft 10, and the side that rotating mechanism 2 is arranged on away from circular arc detector integrated package 1 opening is connected with circular arc detector integrated package 1.Launch to describe in detail to rotating curved box detector provided by the invention below.
As shown in Figure 1, circular arc type detector integrated package 1 is fixed on revolving shaft 10 by swivel mounting member 11 with holes, and the borehole jack on revolving support part 11 is combined on revolving shaft 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 2 of rotating curved box detector is electric pushrod device 2, electric pushrod device 2 comprises the connecting link 20 by the automatic telescopic that is energized, electric expansion bar comprises two ends, one of them end winding support is on x-ray inspection equipment, another end connects circular arc type detector integrated package and keeps away on the axis of traction 22 of oral area side, has enough large distance between axis of traction 22 and revolving shaft 10.The moment of electric expansion bar 2 pairs of circular arc type detector integrated packages 1 is enough large, and circular arc type detector integrated package is rotated along revolving shaft 10.In order to improve rotating curved box detector flexible rotating when electric pushrod device 2 stretches further, one end of the expansion link of electric pushrod device 2 is fixed on x-ray inspection equipment by rotation axis 21.When electric expansion bar stretches, electric pushrod device 2 also rotates along rotation axis.It should be noted that at this, in the present invention, rotating mechanism 2 is not limited to electric pushrod device 2, and circular arc type detector integrated package can be made can to realize the present invention's (such as, gear train such as hydraulic means, pneumatic means, gear, sprocket wheel along the device that revolving shaft 10 rotates.)。
As shown in Figure 2, the circular arc of circular arc detector integrated package 1 is laid with multiple detector crystal 5.The center of detector crystal 5 is vertical with the tangent line of circular arc with detector crystal 5 with the line of target spot.It is best to the reception of energy when the center of each detector crystal 5 is vertical with the tangent line of circular arc with the connecting line of target spot and corresponding detector crystal 5.Multiple detector crystal 5 is in the scope of α at certain subtended angle of X-ray machine radiation source 3 ray, adjacent detector crystal install side by side and with emissive source target spot disposed at equal distance, and the spacing of adjacent detector crystal is not more than 0.5mm so arranges, compare the scattering problems that L-type box detector effectively reduces ray.Multiple detector crystal 5 adopts the structure of installing side by side, in reduction scattering, improves thread differentiation aspect better effects if.Detector crystal 5 is installed side by side in addition, and theoretical gap is very little, does not have the space reflection of ray, effectively can reduce the scattering of marginal ray.
As shown in Figures 1 to 4, circular arc detector integrated package 1 both sides are provided with two cover reference location devices, in structural design, by rotating curved box detector modular design, detector crystal 5 and installing plate thereof are made module whole adjustment, before installation, first by open areas such as outside platform, each detector crystal 5 is aligned vertical masonry joint, adjusts in same reference field, namely the benchmark of each detector crystal 5 is consistent, and relative position is just consistent.Like this simple, convenient, and easily find reference field.This rotating curved box detector has a fixing rotating mechanism 2 in addition, there are two cover reference location devices rotating curved box detector both sides, forms an independently rotating curved box detector module.
Rotating curved box detector for x-ray inspection equipment provided by the invention, along with wraparound rotating shaft 10 reciprocating rotary in the scope that the subtended angle of X-ray machine radiation source 3 ray is α that stretches of electric pushrod device 2 push rod, makes detector aim at the different radioactive sources of different passage.Be applied to binary channels x-ray inspection equipment with this for rotating curved box detector below, the course of work of rotating curved box detector is described in detail.This rotating curved box detector rotary power adopts electric pushrod device 2 to drive, rotating curved detector 1 rotation is rotated in place situation to employing during left and right two passages two cover reference location device position rotating curved detector 1, and reference location device is preferably with the probe datum block of proximity transducer.As shown in Figure 3, when using left passage, connecting link 20 is opened and is stretched out, and circular arc detector integrated package 1 wraparound rotating shaft 10 turns clockwise.After circular arc detector integrated package 1 is rotated in place left, by the relative position of the surfaces of revolution of detector left reference block setting circle curved detector integrated package 1, utilize the proximity transducer of the left reference block of detector to determine to be rotated in place situation, realize rotating curved box detector accurately putting in place at left passage.When should use together right passage, as shown in Figure 4, connecting link 20 shrinks, and circular arc detector integrated package 1 wraparound rotating shaft 10 is rotated counterclockwise.After circular arc detector integrated package 1 is rotated in place to the right, by the relative position of the surfaces of revolution of detector right reference block setting circle curved detector integrated package 1, utilize the proximity transducer of the right reference block of detector to determine to be rotated in place situation, realize rotating curved box detector accurately putting in place at right passage.When between rotating curved box detector two passages, wraparound rotating shaft 10 switches, the corresponding target position of each detector crystal 5 is consistent, namely transmits and receives distance and is more or less the same, realize the change consistance of two passage indexs, be convenient to image procossing.When luggage being detected by rotating curved box detector provided by the invention, to the scanning position of luggage and scan area large, luggage case can be realized and keep flat and detect on a conveyor.The present invention realizes the X-ray detection X demand of the different X-ray machines of different passage by rotating mechanism, according to the goods signal that the conveying belt Signal reception of screening machine arrives, drive the push rod of electric pushrod device 2, realize corresponding contraction and open, optionally accurately locate according to the sensor of detector left/right reference block, become the detector of different passage.The position of rotating curved box detector in binary channels detector provided by the invention belongs to geometry symmetric position, and the process so the deformation process of the image of two passages can adopt the same method, geometry correction aspect is easier.
In sum, the rotating curved box detector for x-ray inspection equipment provided by the invention, can solve the problem such as the otherness of two passage indexs, the deformation process inconsistency of image.The structure that the present invention adopts adjacent detector crystal to install side by side, in reduction scattering, better effects if in raising thread differentiation.Detector arrangement structure of the present invention, luggage case can keep flat on a conveyor, and scanning better effects if, saves delivery tray, and image effect is better, alleviates the workload of security staff.
Above embodiment is only for illustration of the present invention; and be not limitation of the present invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (10)
1. for a rotating curved box detector for x-ray inspection equipment, it is characterized in that, comprise circular arc detector integrated package and the rotating mechanism making described rotating curved sonde rotary;
The peristome of described circular arc detector integrated package is towards X-ray machine radiation source, described circular arc type detector is fixed on the revolving shaft away from described peristome side, described circular arc type detector integrated package is rotated centered by described revolving shaft, and the side that described rotating mechanism is arranged on away from described circular arc detector integrated package opening is connected with described circular arc detector integrated package.
2. rotating curved box detector as claimed in claim 1, it is characterized in that, described circular arc type detector integrated package is fixed on described revolving shaft by swivel mounting member with holes, borehole jack on described revolving support part is combined on described revolving shaft, and described support member is fixed on described circular arc type detector integrated package away from described peristome side.
3. rotating curved box detector as claimed in claim 1, is characterized in that, described rotating mechanism is any one in electric pushrod device, 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 characterized in that, described rotating mechanism is electric pushrod device, described electric pushrod device comprises the connecting link by the automatic telescopic that is energized, described electric expansion bar comprises two ends, one of them end winding support is on described x-ray inspection equipment, and another end connects on the axis of traction of described circular arc type detector integrated package away from described peristome side, has enough large distance between described axis of traction and described revolving shaft.
5. rotating curved box detector as claimed in claim 4, is characterized in that, one end of the expansion link of shown electric pushrod device is fixed on described x-ray inspection equipment by rotation axis.
6. rotating curved box detector as claimed in claim 1, is characterized in that, the circular arc of described circular arc detector integrated package is laid with multiple detector crystal.
7. rotating curved box detector as claimed in claim 6, is characterized in that, the center of described detector crystal is vertical with the tangent line of circular arc with described detector crystal with the line of target spot.
8. rotating curved box detector as claimed in claim 6, is characterized in that, described multiple detector crystal within the scope of certain subtended angle, adjacent detector crystal install side by side and with emissive source target spot disposed at equal distance.
9. rotating curved box detector as claimed in claim 8, is characterized in that, the gap between adjacent two detector crystals is not more than 0.5mm, makes ray scattering not occur.
10. rotating curved box detector as claimed in claim 1, is characterized in that, described rotating curved box detector both sides are provided with two cover reference location devices, and described reference location device is the probe datum block of band 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 |
| BR112016004201-8A BR112016004201B1 (en) | 2014-11-05 | 2015-07-15 | ARC-ROTATING ROTATING DETECTION SET |
| PCT/CN2015/084144 WO2016070648A1 (en) | 2014-11-05 | 2015-07-15 | Rotary arc-shaped detector box for x-ray checking device |
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 true CN104316547A (en) | 2015-01-28 |
| CN104316547B CN104316547B (en) | 2017-04-19 |
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| 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) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016070648A1 (en) * | 2014-11-05 | 2016-05-12 | 同方威视技术股份有限公司 | Rotary arc-shaped detector box for x-ray checking device |
| CN106405667A (en) * | 2016-10-20 | 2017-02-15 | 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 |
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| JP2001161674A (en) * | 1999-10-21 | 2001-06-19 | Siemens Ag | X-ray apparatus and method for affecting x-ray radiation |
| CN102014755A (en) * | 2008-05-01 | 2011-04-13 | 皇家飞利浦电子股份有限公司 | Source and/or detector positioning system |
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| JP2013186066A (en) * | 2012-03-09 | 2013-09-19 | Ishida Co Ltd | X-ray inspection device |
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| CN2537985Y (en) * | 2002-04-19 | 2003-02-26 | 沈阳东软数字医疗系统股份有限公司 | 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 |
| 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 |
| US20120087464A1 (en) * | 2010-10-09 | 2012-04-12 | Fmi Technologies, Inc. | Multi-source low dose x-ray ct imaging aparatus |
| 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 BR BR112016004201-8A patent/BR112016004201B1/en active IP Right Grant
- 2015-07-15 WO PCT/CN2015/084144 patent/WO2016070648A1/en active Application Filing
Patent Citations (6)
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| JP2001161674A (en) * | 1999-10-21 | 2001-06-19 | Siemens Ag | X-ray apparatus and method for affecting x-ray radiation |
| CN102014755A (en) * | 2008-05-01 | 2011-04-13 | 皇家飞利浦电子股份有限公司 | Source and/or detector positioning system |
| CN102362143A (en) * | 2009-03-24 | 2012-02-22 | 柯尼卡美能达精密光学株式会社 | Shape measuring device |
| JP2013186066A (en) * | 2012-03-09 | 2013-09-19 | Ishida Co Ltd | X-ray inspection device |
| CN103674979A (en) * | 2012-09-19 | 2014-03-26 | 同方威视技术股份有限公司 | CT (computed tomography) luggage safety inspection system and detector device of CT safety inspection system |
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016070648A1 (en) * | 2014-11-05 | 2016-05-12 | 同方威视技术股份有限公司 | Rotary arc-shaped detector box for x-ray checking device |
| CN106405667A (en) * | 2016-10-20 | 2017-02-15 | 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 |
| CN117518282B (en) * | 2023-11-09 | 2024-06-07 | 上海物影科技有限公司 | Miniaturized security inspection CT system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016070648A1 (en) | 2016-05-12 |
| BR112016004201B1 (en) | 2020-11-17 |
| CN104316547B (en) | 2017-04-19 |
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