CN203772764U - Double-channel high-energy X-ray perspective imaging system - Google Patents
Double-channel high-energy X-ray perspective imaging system Download PDFInfo
- Publication number
- CN203772764U CN203772764U CN201320879291.7U CN201320879291U CN203772764U CN 203772764 U CN203772764 U CN 203772764U CN 201320879291 U CN201320879291 U CN 201320879291U CN 203772764 U CN203772764 U CN 203772764U
- Authority
- CN
- China
- Prior art keywords
- sigmatron
- detector array
- perspective imaging
- binary channels
- detector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003384 imaging method Methods 0.000 title claims abstract description 107
- 238000007689 inspection Methods 0.000 claims description 48
- 238000004458 analytical method Methods 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 17
- 230000009977 dual effect Effects 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 230000011218 segmentation Effects 0.000 claims description 5
- 238000013461 design Methods 0.000 abstract description 5
- 238000002594 fluoroscopy Methods 0.000 description 16
- 239000000463 material Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 13
- 230000008878 coupling Effects 0.000 description 11
- 238000010168 coupling process Methods 0.000 description 11
- 238000005859 coupling reaction Methods 0.000 description 11
- GUTLYIVDDKVIGB-OUBTZVSYSA-N Cobalt-60 Chemical compound [60Co] GUTLYIVDDKVIGB-OUBTZVSYSA-N 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000003491 array Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002285 radioactive effect Effects 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 235000012489 doughnuts Nutrition 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The utility model provides a double-channel high-energy X-ray perspective imaging system. The double-channel high-energy X-ray perspective imaging system is used for simultaneously carrying out perspective imaging on checked objects in two channels by using only one electronic accelerator, two groups of X-ray beam currents and two sets of detector systems on the basis of the design of the electronic accelerator, a shielding collimation device, a first detector array, a second detector array and various mechanical combination structures. The double-channel high-energy X-ray perspective imaging system provided by the utility model can be designed to be in various specific types such as a fixed type, a combined type, a track movable type or a vehicle-mounted movable type. The double-channel high-energy X-ray perspective imaging system has the advantages of simple structure, low cost, strong functions, good image quality and the like.
Description
Technical field
The utility model relates to and in the rays safety detection apparatus such as nondestructive examination, perspective imaging and van container inspection, vehicle inspection, aviation goods inspection, train inspection, utilizes high-energy electron accelerator to produce sigmatron to carry out the system of perspective imaging, particularly use separate unit sigmatron source to carry out the system of perspective imaging to the object that checked in two passages simultaneously.
Background technology
X ray has a wide range of applications in the field such as industrial nondestructive testing, safety inspection.For large-scale detected object, as the carload such as bulk supply tariff, car/truck/container/train of boiler, airspace engine, airport/railway/customs, it is carried out to fluoroscopic examination and need to use sigmatron, conventionally use electron accelerator more than energy 2MeV to produce.The basic skills that electron accelerator produces X ray is: utilize electron gun to produce electronic beam current, utilize electric field to accelerate to make it to obtain high-energy to electronic beam current, high energy electron line is practiced shooting and produced X ray.Sigmatron perspective imaging system is to utilize the high-penetration ability of X ray, X ray penetrates while being checked object, its intensity can weaken, the degree weakening and the density that is checked object, shape, thickness, materials etc. are relevant, use detector to obtain X ray and penetrate the strength information being checked after object, and through signal processing, Algorithm Analysis, the processes such as image reconstruction show that reflection is checked the shape of object, structure is the fluoroscopy images of the information such as material even, thereby implementation structure analysis, defect inspection, Description of Goods and type checking, dangerous material identification, the objects such as prohibited items inspection.
Large cargo check system, is divided into and uses sigmatron source and the large class of isotope radioactive source two.Wherein use the system in sigmatron source, conventionally use energy 2MeV and above electron accelerator to practice shooting and produce X ray.At present, Tongfangweishi Technology Co., Ltd is the person advanced in the world of this technology application, has a large amount of patents and matured product.Wherein use the system of isotope radioactive source, conventionally use radioactive isotope cobalt-60(Co-60) produce gamma-rays as radiographic source, gamma-ray energy is respectively 1.17 MeV and 1.33 MeV.Use the large cargo check system of cobalt-60, ray energy is lower on the one hand, and penetrating capacity is limited, is checked the finite volume of object; On the other hand, cobalt-60 have the fixing half life period, are 5.27, therefore after certain hour, must change radiographic source, otherwise because transmitted intensity dies down, picture quality variation.Use the large cargo check system of cobalt-60 more because the intrinsic radioactivity of cobalt-60 exists many problems in safety management, unlike electron accelerator system, only powering on and going out bundle just has X ray to produce, and stopping bundle or power-off is safety.Therefore, current large cargo check system more than 90% is all to use sigmatron source.
In prior art, all to get X-ray beam stream from the dead ahead of target practice electron beam to carry out perspective imaging application to the use of sigmatron, to utilize the highest and intensity largest portion of the energy of X ray as far as possible, substantially be all to draw an X ray line, for the system of an inspection passage, inspection speed is slow, and efficiency is low.
Chinese patent " a kind of binary channels combination moving type container or vehicle inspection system (patent No.: CN2840027Y) " discloses a kind of gamma-rays of cobalt-60 generation that uses as radiographic source, two L shaped detectors form the system of the inspection passage of two door type structures in left and right, realize " detect percent of pass and improve 2-4 doubly ".There is its singularity in cobalt-60γray source using to process, and as shutter device etc., and it is low to have energy, and penetration capacity is limited; Natural attenuation, the life-span is short, needs periodic replacement; Long-term radioactivity, the weak point such as safety management difficulty is large.
For solving the deficiencies in the prior art, it is radiographic source that the utility model provides a kind of use high-energy electron accelerator, obtains respectively two X ray lines by the collimating apparatus of two lateral positions, the object that checked in two passages is carried out to perspective imaging simultaneously.There is compared to existing technology the advantages such as cost is low, speed is fast, function is many, picture quality is good, security is high.
Utility model content
The utility model provides a kind of binary channels sigmatron perspective imaging system, and described binary channels sigmatron perspective imaging system comprises: separate unit high-energy electron accelerator, shielding collimator apparatus, first check that passage, second checks passage, the first detector array, the second detector array, power supply and control subsystem, signal analysis and image processing subsystem; Wherein, high-energy electron accelerator comprises electron emission unit, electronics accelerator module, target, and the electronic beam current of generation has energy more than 2MeV; Shielding collimator apparatus comprises shielding construction and at least two collimating apparatuss, and two collimating apparatuss are separately positioned on the both sides of the axis of electronic beam current; Described first checks that passage and second checks that passage lays respectively at the both sides of electron accelerator; The target spot that first collimator, the first detector array and electronic beam current are practiced shooting is in the first plane, and the target spot that the second collimating apparatus, the second detector array and electronic beam current are practiced shooting is in the second plane.
The utility model is by the design of electron accelerator, shielding collimator apparatus, the first detector array, the second detector array, various mechanical assembling structures, utilize only an electron accelerator, two groups of X ray lines and two groups of detector systems, the object that checked in two passages is carried out to perspective imaging simultaneously, have the following advantages: two passages check simultaneously, speed is fast; Only use separate unit electron accelerator, simple in structure, cost is low; Compare cobalt-60 system, use electron accelerator is radiographic source, and safe reliability is higher; By the design of collimating apparatus, can draw more groups of X ray lines, can realize Double-visual angle function, fluoroscopy images can be distinguished by different level; Can draw the X ray line of different-energy, realize being checked the material identification of object; And can realize binary channels/dual intensity/Double-visual angle sigmatron perspective imaging system of multiple comprehensive function.And the X ray line in the utility model is in its plane sector region, have can fall apart little, intensity distributions evenly, multiple advantages such as target spot size is little, can wide-angle draw, can improve the picture quality of radioscopy imaging system.Can be designed as the specific situations such as fixed, combined type, orbit movable or vehicle-mounted removable according to binary channels sigmatron perspective imaging system of the present utility model, there is the advantages such as simple in structure, cost is low, function is strong, picture quality is good.
Brief description of the drawings
Fig. 1 shows according to the structural representation of the binary channels sigmatron perspective imaging system of embodiment of the present utility model;
Fig. 2 shows according to the structural representation of the electron accelerator of embodiment of the present utility model and shielding collimator apparatus;
Fig. 3 shows the shielding collimator apparatus cross-sectional view according to embodiment of the present utility model;
Fig. 4 shows according to the schematic layout pattern of the binary channels sigmatron perspective imaging system of embodiment of the present utility model;
Fig. 5 (A)-5(E) show according to the structure of several difform detector arrays of embodiment of the present utility model and method for arranging schematic diagram;
Fig. 6 shows according to the structural representation of the combined fixed binary channels sigmatron perspective imaging system of embodiment of the present utility model;
Fig. 7 shows according to the structural representation of the vehicle-mounted removable binary channels sigmatron perspective imaging system of embodiment of the present utility model;
Fig. 8 shows according to the structural representation of vehicle-mounted removable binary channels/dual intensity/Double-visual angle sigmatron perspective imaging system of embodiment of the present utility model.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, a kind of binary channels sigmatron perspective imaging system comprises: separate unit high-energy electron accelerator 1, shielding collimator apparatus 2, the first inspection passage 3, the second inspection passage 4, the first detector array 5, the second detector array 6, power supply and control subsystem 7, signal analysis and image processing subsystem 8; Wherein, high-energy electron accelerator 1 comprises electron emission unit 101, electronics accelerator module 102, target 103, and the electronic beam current E of generation has energy more than 2MeV; Shielding collimator apparatus 2 comprises shielding construction 201 and at least two collimating apparatus 202a and 202b, and two collimating apparatuss are separately positioned on the both sides of the axis of electronic beam current E; Described first checks that passage 3 and second checks that passage 4 lays respectively at the both sides of electron accelerator 1; First collimator 202a, the first detector array 5 are with the target spot of electronic beam current E target practice in the first plane, and the target spot that the second collimating apparatus 202b, the second detector array 6 and electronic beam current E practice shooting is in the second plane.
Described the first plane and the second plane form the first angle and the second angle with the axis of electronic beam current E respectively, preferably, the angular range of described the first angle and the second angle is 30 degree to 150 degree, draws respectively uniform the first X ray line of intensity distributions and the second X ray line in described the first plane and the second plane.
Preferably, described the first angle and the second corner dimension are equal, and described the first X ray line and the second X ray line are plane symmetry.
Preferably, the axis of electron accelerator and first checks that passage and second checks that the angle of passage is all less than 60 degree, and more preferably, the axis of electron accelerator and first checks that passage and second checks that passage is parallel to each other.The situation of the axis L of electron accelerator 1 and inspection passage formation angle as shown in Figure 4.
According to preferred embodiment of the present utility model, the angle that the angle that the first plane plane1 and first passage 3 form and the second plane plane2 and second channel 4 form is all greater than 45 degree, preferably, the angle that the angle that the first plane plane1 and first passage 3 form and the second plane plane2 and second channel 4 form is 90 degree.The first plane plane1 and first passage 3 form situation that angle γ 1, the second plane plane2 and second channel 4 form angle γ 2 as shown in Figure 1.
Fig. 1 shows a kind of structural representation of binary channels sigmatron perspective imaging system, and electron accelerator 1 produces high energy electron line E, and its axis is L, and electronic beam current E practices shooting, and produces the X ray of 4 π solid angle transmittings at target position Ο.The shielding collimator apparatus 2 that surrounds target spot Ο absorbs and stops most of X ray, and by being positioned at electronic beam current axis L, two collimating apparatus 202a and the 202b of homonymy do not draw respectively the first plane sector X ray line X1 and the second plane sector X ray line X2.First checks that passage 3 and second checks that passage 4 is arranged in the both sides of electron accelerator 1, and three is parallel to each other.Target spot Ο, first collimator 202a, the first detector array 5, is positioned at the first plane plane1, and the first plane plane1 and first checks that passage 3 forms angle γ 1; Target spot Ο, the second collimating apparatus 202b, the second detector array 6, is positioned at the second plane plane2, and the second plane plane2 and second checks that passage 4 forms angle γ 2.X1 and X2 transmission is simultaneously arranged in multiple diverse locations that checked object 9 of the first inspection passage 3 and the second inspection passage 4, the intensity of X ray is subject to weakening in various degree, and received by the first detector array 5 and the second detector array 6 respectively, the first detector array 5 and the second detector array 6 carry out the signal of reflection X ray intensity after rough handling, send to signal analysis and image processing subsystem 8, through signal analysis, algorithm calculates, the processes such as picture construction draw the fluoroscopy images of multiple two tangent planes that penetrated by X ray that checked object 9 in two passages of reflection.In the course of work, checked that object 9 and radioscopy imaging system keep relative motion if allowed, allow the each several part that is checked object 9 successively through two radioscopy regions that check in passage, can obtain two and check two complete fluoroscopy images that checked object 9 in passage, one width is to penetrate the object that checked in the first inspection passage by the first X ray, and the first width fluoroscopy images being received by the first detector array 5, another width is to penetrate the object that checked in the second inspection passage by the second X ray, and the second width fluoroscopy images being received by the second detector array 6.
Fig. 2 shows the concrete structure with shielding collimator apparatus according to a kind of electron accelerator of embodiment of the present utility model.Electron accelerator 1 comprises electron emission unit 101, electronics accelerator module 102 and target 103, electron emission unit produces electronic beam current E, electronics accelerator module accelerates electronic beam current E, become high-octane electronic beam current, the axis L of electronic beam current is also referred to as the axis of electron accelerator 1, high energy electron line bombardment target, produces to the X ray of space all angles transmitting at target position Ο.Shielding collimator apparatus 2 surrounds target, is made up of shielding construction 201 and collimating apparatus 202; Collimating apparatus 202 has two, and (202a and 202b as shown in Figure 2), lay respectively at the both sides of the axis L of electronic beam current E.The deflection angle theta 1 of collimating apparatus 202a and electronic beam current, draws plane sector the first X ray line X1; The deflection angle theta 2 of collimating apparatus 202b and electronic beam current, draws plane sector the second X ray line X2; θ 1 is the deflection of relative electronic beam current axis L different directions with θ 2, for convenience, is all defined as the angle of " just ".θ 1 and θ 2 equal and opposite in directions in Fig. 2, become symmetric relation, and such layout makes it possible to easily control the intensity (for example, the intensity of each X ray line being equated) of each X ray line, and is easy to arrange each inspection passage.
Fig. 3 shows the cross section view of shielding collimator apparatus, and it is corresponding to the situation of 2=90 ° of θ 1=θ in Fig. 2.Shielding collimator apparatus surrounds target spot Ο, the X ray that target spot produces, and most of conductively-closed structure 201 stops absorption, only has the gap of collimating apparatus 202 can draw plane sector X ray line.Thickness, subtended angle size and the aperture position in gap determined the distribution of shapes of plane sector X ray line.Preferably, X ray line thickness (, the gap thickness of collimating apparatus 202a, 202b in Fig. 2) be 2mm, total subtended angle is 90 degree, taking surface level (0 °) as reference, wherein subtended angle 15 is spent (15 °) downwards, and upwards subtended angle 75 is spent (+75 °), and the first X ray line X1 and the second X ray line X2 are symmetrical.
Fig. 4 shows a kind of layout signal of binary channels sigmatron perspective imaging system.First checks the L shaped angle β of one-tenth 1, the second inspection passage 4 of axis of passage 3 and electron accelerator 1 and the L shaped angle β 2 of one-tenth of axis of electron accelerator 1; When β 1 or β 2 are when larger, first checks that passage 3 and the second inspection passage 4 more early produce and cross, and is unfavorable for being checked the conveying campaign of object, affects the checking efficiency of system.Therefore in preferred embodiment of the present utility model, 60 ° of β 1 <, 60 ° of β 2 <, preferably β 1=β 2=0, first to check that passage, second checks between passage, electron accelerator three parallel to each other.
In Fig. 1, the first plane plane1 and first passage form angle γ 1, the second plane plane2 and second channel forms angle γ 2.In γ 1 or γ 2 angles more hour, the X ray path in the first plane plane1 or the second plane plane2 is longer, makes on the one hand the quantity of detector increase, and cost is uprised, and visual angle is too inclined to one side on the other hand, and also the layered effect of image is rebuild in impact.Therefore in the utility model, γ 1 and γ 2 are all greater than 45 degree, preferably near 90 degree.
In preferred embodiment of the present utility model, detector array (5,6) is that the linear being made up of multiple detectors is arranged, or segmentation line spread, or the L shaped arrangement of standard, or C shape is arranged.
In preferred embodiment of the present utility model, detector array (5,6) is in a row by multiple detector array or arranges more.
Fig. 5 (A)-5(E) show difformity and the different arrangement of several detector arrays.
Fig. 5 (A) shows the situation that a kind of detector array is arranged by the mode of segmentation straight line.The first detector array is divided into two straight-line segments, the first detector array top section 51 and the first detector array side section 52; Equally, the second detector array 6 is also divided into the second detector array top section 61 and the second detector array side section 62.The X ray producing from target spot Ο is led to plane sector the first X ray line X1 and the second X ray line X2 by 2 collimating apparatuss, penetrates respectively and is checked object, is received by the first detector array or the second detector array.The complete covering of sector region energy that detector array and target spot form is checked the cross section of object 9.The detector array of this structure, simple in structure, be easy to install and fix.
Fig. 5 (B) shows the situation that a kind of detector array is arranged by the L shaped mode of standard.The first detector array 5 is divided into two mutually perpendicular straight-line segments, and top "-" section is the first detector array top section 51, and side " | " section is the first detector array side section 52; Equally, the second detector array 6 is also divided into the second detector array top section 61 of top "-" section and the second detector array side section 62 of side " | " section.The X ray producing from target spot Ο is led to plane sector the first X ray line X1 and the second X ray line X2 by 2 collimating apparatuss, penetrates respectively and is checked object, is received by the first detector array or the second detector array.The complete covering of sector region energy that detector array and target spot form is checked the cross section of object.The detector array of this structure, simple in structure, rule, is easy to form the structure of collapsible gathering.
Fig. 5 (C) shows the situation that a kind of detector array is arranged by C shape mode.The first detector array 5 and the second detector array 6 lay respectively on two arcs, and this arc can be taking target position Ο as the center of circle.The X ray producing from target spot Ο is led to plane sector the first X ray line X1 and the second X ray line X2 by 2 collimating apparatuss, penetrates respectively and is checked object, is received by the first detector array or the second detector array.The complete covering of sector region energy that detector array and target spot Ο form is checked the cross section of object.The detector array of this structure, each detector equates to the distance of target spot, is the uniform X ray line of intensity distributions in each angle just and collimating apparatus is drawn, the original X ray signal intensity that therefore each detector receives is consistent.Therefore can select the on all four detector of enlargement factor to form the first and second detector arrays, be conducive to simplification system, reduce costs.
Fig. 5 (D) shows the situation of observing detector arrangement mode from the direction of X ray.Detector array can be in a row by multiple detector row, can be also to line up many rows by multiple detectors.When detector row is classified many rows as, the relative position of detector can be arranged side by side, also can stagger.Use multi-detector, can increase the cost of detector, but the section thickness that is checked object at every turn obtaining (or being called section number) is also multiplied, and can significantly improve the inspection speed of system.
The end face that Fig. 5 (E) shows each position sensor is all vertical with X ray.In radioscopy imaging system, all detectors are all the positive incident that receives X ray conventionally, and also all detectors are all arranged as end face and point to target spot Ο.
According to embodiment of the present utility model, binary channels sigmatron perspective imaging system also comprises the first detector jib 10a and the second detector jib 10b, for the installation of detector and fixing, and the described linear of formation, or segmentation linear, or standard is L shaped, or C shape arrangement.Detector jib can be tubulose, can form protection to the detector of installing therein, has opening at the correspondence position of detector end face, does not affect X ray and directly arrives detector end face.
According to embodiment of the present utility model, binary channels sigmatron perspective imaging system also comprises canyon 13, installation for equipment such as electron accelerators is fixed, and suitable temperature, humidity working environment is provided, and meets the relevant operational management regulation of country to X-ray equipment.Canyon can be various cabins bodies, as the equipment compartment of Container Reconstruction, can be also one off houses or fixed building.
According to embodiment of the present utility model, binary channels sigmatron perspective imaging system also comprises pulpit 14, for system works personnel provide suitable equipment operation and workplace.Pulpit can be various cabins bodies, as the equipment compartment of Container Reconstruction, can be also one off houses or fixed building.
According to embodiment of the present utility model, binary channels sigmatron perspective imaging system also comprises and is connected and fixed device 11, for the first detector jib 10a and the second detector jib 10b are connected and fixed; Or the first detector jib 10a, the second detector jib 10b are fixedly connected with canyon 13, make the first detector array 5 be positioned at the first plane plane1, and the second detector array 6 are positioned at the second plane plane2; The overall xsect of described binary channels sigmatron perspective imaging system forms " П " shape, " M " shape or " Ω " shape structure.
According to embodiment of the present utility model, binary channels sigmatron perspective imaging system also comprises the first adjustable fixer 15a and the second adjustable fixer 15b, be respectively used to the first detector jib 10a and the second detector jib 10b to be fixed on separately ground, and can adjust flexibly the direction of the position of detector jib, opening, make the first detector array 5 be positioned at the first plane plane1, make the second detector array 6 be positioned at the second plane plane2, binary channels sigmatron perspective imaging entire system forms " III " shape structure.
According to embodiment of the present utility model, binary channels sigmatron perspective imaging system also comprises the first transmitting device 16a and the second transmitting device 16b, lay respectively at the first inspection passage and second and check in passage, for drag checked object 9 with the speed set by thering is the first plane and second plane of X-radiation.Transmitting device can be a kind of in the various load modes such as belt, roller-way, chain, roller, drawbar or two kinds.
According to embodiment of the present utility model, binary channels sigmatron perspective imaging system also comprises the first diffuser screen shield structure 12a and the second diffuser screen shield structure 12b that are arranged in inspection passage one or both sides, penetrate the reflected ray and the scattered ray that while being checked object, form, safeguard work personnel and the public's safety for shielding X ray.The diffuser screen shield structure of collimating apparatus side, has strip opening in the position corresponding with collimating apparatus, is convenient to passing through of X ray line; Be positioned at the diffuser screen shield structure of detector side, position is at detector jib rear.
According to embodiment of the present utility model, binary channels sigmatron perspective imaging system also comprises ramp, is checked the position height of object for raising, make the various piece in the cross section that is checked object can be within the coverage of the first X ray line or the second X ray line.
It needs to be noted, according to embodiment of the present utility model, the type of two groups of detector arrays of binary channels sigmatron perspective imaging system, quantity, spread pattern, arrangement architecture etc. can be the same or different.
It needs to be noted, according to embodiment of the present utility model, the shielding collimator apparatus of binary channels sigmatron perspective imaging system can be towards the more collimating apparatus of each inspection channel setting, more X ray line is provided, on every passage, forms radioscopy imaging system various visual angles or multipotency.
It needs to be noted, according to embodiment of the present utility model, each ingredient of binary channels sigmatron perspective imaging system can all be arranged in ground, forms fixed system; Also can a part be fixed on ground, a part is arranged on short-distance movement equipment, the portable system of forming section; Can also all be arranged in can mobile at a distance chassis vehicle on, form vehicle-mounted removable system.
Fig. 6 shows a kind of example of combined fixed binary channels sigmatron perspective imaging system.
Combined fixed binary channels sigmatron perspective imaging system comprises separate unit electron accelerator 1, shielding collimator apparatus 2, first checks passage 3, second checks passage 4, the first detector array 5, the second detector array 6, power supply and control subsystem 7, signal analysis and image processing subsystem 8, the first detector jib 10a, the second detector jib 10b, be connected and fixed device 11, the first diffuser screen shield structure 12a, the second diffuser screen shield structure 12b, canyon 13, pulpit 14, the first adjustable fixer 15a, the second adjustable fixer 15b, the first transmitting device 16a, and the second transmitting device 16b.
Electron accelerator 1 is arranged in canyon 13 with shielding collimator apparatus 2 grades, be positioned at the centre that the first inspection passage 3 and second be arrangeding in parallel checks passage 4, and the axis of electron accelerator is also parallel to inspection passage, the first plane plane1 at collimating apparatus 202a place and collimating apparatus 202b place the second plane plane2 check passage 4 perpendicular to the first inspection passage 3 and second respectively.Total subtended angle 90 of the fan-shaped thin seam of collimating apparatus 202a and 202b is spent, and wherein-15 degree upwards+75 are spent downwards.C shape detector jib 10a is positioned at the outside of the first inspection passage 3, inner first detector array 5 of installing, and C shape detector jib 10b is positioned at the outside of the second inspection passage 4, inner second detector array 6 of installing.The top of two C shape detector jib 10a and 10b is connected by the device 11 that is connected and fixed of line balance converter chamber 13, bottom is fixed on ground by the first adjustable fixing device for installing 15a and the second adjustable fixing device for installing 15b respectively, the position corresponding with collimating apparatus 202a and 202b difference, be that target position Ο, collimating apparatus 202a and the first detector array 5 threes are positioned at the first plane plane1, target position Ο, collimating apparatus 202b and the second detector array 6 threes are positioned at the second plane plane2.Detector jib 10, be connected and fixed device 11 and form large " Ω " shape with adjustable fixing device for installing 15.The first transmitting device 16a and the second transmitting device 16b are arranged on respectively the first inspection passage 3 and second and check in passage 4, can carry the large-size box such as air container, aviation tray by X-ray examination region.The first diffuser screen shield structure 12a, a part is arranged on canyon 13 and first and checks that between passage 3, a part is arranged on the first detector jib 10a rear.The second diffuser screen shield structure 12b, a part is arranged on canyon 13 and second and checks that between passage 4, a part is arranged on the second detector jib 10b rear.They are composite structures of a kind of stereotype and steel plate, and stereotype is used for shielding X ray, and steel plate is for support structure and fixing.Diffuser screen shield structure is provided with strip opening in the position corresponding with collimating apparatus 202a and 202b, can not stop the first X ray line X1 and the second X ray line X2 formation.Power supply and control subsystem 7, signal analysis and image processing subsystem 8, and office equipment etc. is arranged in pulpit 14.Canyon 13 and pulpit 14 are the steel construction cabin bodies with heat-insulation layer, possess the facilities such as basic window, door, air-conditioning, illumination, ventilation, and hoisting structure is arranged at top, and fixed sturcture is arranged at bottom, can put flexibly installation.Between canyon, pulpit, transmitting device, detector jib, connect by electric wire, each several part structure is relatively independent, can on-the-spotly fixedly mount flexibly, is therefore called combined fixed.The casings of place to large-scale, medium-sized counter, luggage consolidated shipment such as this combined fixed binary channels sigmatron perspective imaging system is suitable on airport, shipping station etc. are checked that object carries out perspective imaging inspection.
Fig. 7 shows a kind of example of vehicle-mounted removable binary channels sigmatron perspective imaging system.
Vehicle-mounted removable binary channels sigmatron perspective imaging system comprises separate unit electron accelerator 1, shielding collimator apparatus 2, first checks passage 3, second checks passage 4, the first detector array 5, the second detector array 6, power supply and control subsystem 7, signal analysis and image processing subsystem 8, chassis vehicle 30, powerhouse dome 31, x-ray source cabin 32, equipment compartment 33, work chamber 34, also comprise by foldable L-shaped the first detector jib 10a, the first lifting and whirligig 41, first connects bracing or strutting arrangement 42, the first boom system that the first folding coupling arrangement 43 forms, with by foldable L-shaped the second detector jib 10b, the second lifting and whirligig 45, second connects bracing or strutting arrangement 46, the second boom system that the second folding coupling arrangement 47 forms.
Wherein, chassis vehicle 30 is large truck, as the three axle heavy type chassis cars of Volvo, is designed with multiple cabins body above, is respectively powerhouse dome 31, x-ray source cabin 32, equipment compartment 33, work chamber 34 etc.Each cabin body is designed with the facilities such as heat-insulation layer, window, door, air-conditioning, illumination, ventilation as required.
Wherein, in powerhouse dome 31, power-supply unit being installed, can be generating set, as diesel-driven generator, and/or mains supply coupling arrangement, as comprise the equipment that cable and automatic reel are electrically connected in Nei Keyu city.Powerhouse dome provides electric power support for whole system, and power capacity is conventionally more than 15kVA.
Wherein, electron accelerator 1 is arranged in x-ray source cabin 32 with shielding collimator apparatus 2 grades, the axis L of electron accelerator and the symmetrical line parallel of chassis vehicle, and electron accelerator is on line of symmetry, two collimating apparatus 202a and the both sides of 202b in electron accelerator axis of shielding collimator apparatus, and vertical with axis, the first X ray line X1 drawing and the second X ray line X2 penetrate from the both sides of chassis vehicle by the strip perforate of 32 both sides, x-ray source cabin.Vehicle-mounted removable binary channels sigmatron perspective imaging system also can further comprise radiological safety protection subsystem, by installation compositions such as the auxiliary shield facility requiring according to national relevant regulations, radiation sign, acousto-optic warning, environmental dose monitoring, monitoring camera-shooting, safety interlockings, all or part of equipment of radiological safety protection subsystem also can be arranged in radiographic source cabin.
Wherein, equipment compartment 33 is provided with the Other related equipment such as device power supply (DPS) and control subsystem 7, signal analysis and image processing subsystem 8.Power supply and control subsystem 7 further comprise the motion control molecular system of the first boom system and the second boom system.
Wherein, work chamber 34 is arranged on the afterbody of chassis vehicle, and inside is provided with office desk and chair, display device and operational control unit etc., is staff carries out operation place to vehicle-mounted removable binary channels sigmatron perspective imaging system.
Wherein, the both sides, top in x-ray source cabin 32, the position corresponding with collimating apparatus 202a and 202b is separately installed with the first lifting and whirligig 41 and the second lifting and whirligig 45.Foldable L-shaped the first detector jib 10a is connected with whirligig 41 with the first lifting by the first connection bracing or strutting arrangement 42, foldable L-shaped the first detector jib 10a is divided into "-" and " | " two straight-line segments, in "-" section, the first detector top array 51 is installed, in " | " section, the first detector side array 52 is installed, two sections of connecting places connect by the first folding coupling arrangement 43, composition the first boom system.The first lifting and whirligig 41, have multiple implementation method, as utilize hydraulic means, pneumatic means or motor etc. relative to the lifting of chassis vehicle and rotating of certain angle for the first boom system.The first folding coupling arrangement 43 is for the connection of "-" and " | " two straight-line segments of L shaped detector jib, and under particular state, these two sections are folded into "=" shape or are opened for " L " shape, also there is multiple implementation method, as utilize hydraulic connecting rod device, Pneumatic connecting rod device or motor gear combination unit etc.The first boom system is in off working state, be placed on the position shown in chassis vehicle top dotted box 35 to fold the mode of gathering, in working order, open on chassis vehicle right side, and make in the first detector top array 51 and the first plane plane1 of side array 52 in the first X ray line X1 place.The first boom system of opening forms " door " formula structure together with chassis vehicle, is the first inspection passage 3 in " door ".
Foldable L-shaped the second detector jib 10b is connected with whirligig 45 with the second lifting by the second connection bracing or strutting arrangement 46, foldable L-shaped the second detector jib 10b is divided into "-" and " | " two straight-line segments, in "-" section, the second detector top array 61 is installed, in " | " section, the second detector side array 62 is installed, two sections of connecting places connect by the second folding coupling arrangement 47, composition the second boom system.The second lifting and whirligig 45, have multiple implementation method, as utilize hydraulic means, pneumatic means or motor etc. relative to the lifting of chassis vehicle and rotating of certain angle for the second boom system.The second folding coupling arrangement 47 is for the connection of "-" and " | " two straight-line segments of L shaped detector jib, and under particular state, these two sections are folded into "=" shape or are opened for " L " shape, also there is multiple implementation method, as utilize hydraulic connecting rod device, Pneumatic connecting rod device or motor gear combination unit etc.The second boom system is in off working state, be placed on the position shown in chassis vehicle top dotted box 36 to fold the mode of gathering, in working order, open in chassis vehicle left side, and make in the second detector top array 61 and the second plane plane2 of side array 62 in the second X ray line X2 place.The second boom system of opening forms " door " formula structure together with chassis vehicle, is the second inspection passage 4 in " door ".
The all devices of vehicle-mounted removable binary channels sigmatron perspective imaging system is all integrated on a chassis vehicle, forms a kind of special equipment vehicle.At ordinary times, detector arm frame system folding and retraction is in 35 regions, position and 36 regions (in Fig. 7 shown in dotted line frame).Vehicle-mounted removable binary channels sigmatron perspective imaging system can be exercised by chassis vehicle in country highway and above different kinds of roads, thereby can meet neatly the application demand of various occasions.
Principle of work and process:
Vehicle-mounted removable binary channels sigmatron perspective imaging system is driven and is arrived certain application demand place, and specific works process is as follows:
(1) the parked workplace to smooth spaciousness of vehicle-mounted removable binary channels sigmatron perspective imaging system, staff enters work chamber, startup system;
(2) power-supply unit in powerhouse dome 31 is started working, and as generator starts, or power cable is connected to mains-supplied equipment, vehicle-mounted removable binary channels sigmatron perspective imaging system acquisition electric power supply;
(3) the detector arm frame system motion control molecular system of power supply and control subsystem 7 work, make: (a) the first boom system, the first lifting and whirligig 41 are first elevated to certain altitude, then certain angle turns clockwise, as 90 degree, make the first detector top array 41, the first detector side array 42 be positioned at the first plane plane1 at target position Ο, collimating apparatus 202a place; The first folding coupling arrangement 43 drives foldable L-shaped the first detector jib 10a to be opened for " L " state from the folded state of "="; (b) the second boom system, the second lifting and whirligig 45 are first elevated to certain altitude, then be rotated counterclockwise certain angle, as 90 degree, make the second detector top array 61, the second detector side array 62 be positioned at the second plane plane2 at target position Ο, collimating apparatus 202b place; The second folding coupling arrangement 47 drives foldable L-shaped the second detector jib 10b to be opened for " L " state from the folded state of "="; (a) and (b) can successively carry out, also can carry out simultaneously.Two groups of detector arm frame systems form " M " formula structure at both sides and the chassis vehicle of chassis vehicle;
(4) checked object, as container truck, van, passenger vehicle, pony car etc., be divided into two rows dock to respectively on the first inspection passage 3 or the second inspection passage 4 by queue, the personnel such as driver leave and are checked object;
(5) power supply and control subsystem 7 start the work of electron accelerator 1, export the first X ray line X1 by collimating apparatus 202a in the first plane, export the second X ray line X2 by collimating apparatus 202b in the second plane simultaneously; After X1 directly arrives or penetrates and checked object, arrival is positioned at the detector array 51 of the first detector jib 10a "-" section and the detector array 52 of " | " section; After X2 directly arrives or penetrates and checked object, arrival is positioned at the detector array 61 of the second detector jib 10b "-" section and the detector array 62 of " | " section; All detector arrays are sent to signal analysis and image processing subsystem 8 after the signal receiving is transformed;
(6) when power supply and control subsystem 7 start electron accelerator work, start chassis vehicle automatic Pilot, exercise along straight line with the speed of setting, allow the successively all objects that checked on inswept inspection passage of X ray line X1 and X2;
(7) signal analysis and image processing subsystem 8 synchronously (with above-mentioned steps (5), (6) synchronously) obtain reflection and checked that first of object geometry and material information checks that passage radioscopy data and second check passage radioscopy data, produce and checked the fluoroscopy images of object through processes such as signal analysis, algorithm calculating, picture construction, and show in real time on display device; Staff, according to image information, realizes die Konterbande inspection, dangerous material inspection, prohibited items inspection etc. is checked to object;
(8) checked object, as container truck, van, passenger vehicle, pony car etc., completed inspection, and while not needing problem to be processed, sailed out of inspection passage;
(9), if there is the multiple batches of object that checked, repeat (4)-(8); If inspection end-of-job, stop the work of electron accelerator 1, stop the generation of X ray, and: (a) the first boom system, the first folding coupling arrangement 43 first drives foldable L-shaped the first detector jib 10a to draw in as "=" folded state from the open mode of " L "; The first lifting and whirligig 41 are rotated counterclockwise certain angle, as 90 degree, make L shaped the first detector jib 10a after folding arrive 35 tops, dotted line frame regions, and the certain altitude that then declines arrives deposit position; (b) the second boom system, the second folding coupling arrangement 47 first drives foldable L-shaped the second detector jib 10b to draw in as "=" folded state from the open mode of " L "; The second lifting and whirligig 45 certain angle that turns clockwise, as 90 degree, makes L shaped the second detector jib 10b after folding arrive 36 tops, dotted line frame regions, and the certain altitude that then declines arrives deposit position; (a) and (b) can successively carry out, also can carry out simultaneously;
(10) staff's halt system work, powered-down, leaves operating room, and vehicle-mounted removable binary channels sigmatron perspective imaging system can be left for to next work place.
Vehicle-mounted removable binary channels sigmatron perspective imaging system can also comprise ramp 37, for improving the height that is checked object, realize being checked the complete imaging of object, when car is checked, can imaging together with doughnut, check and whether in doughnut, carry the prohibited items such as drugs secretly.Ramp 37 has known project organization, as steel frame construction or stationary platform etc., can, in the time of system imaging, carry out blanking to the structural information of part ramp, thus the image impact of subduction ramp on detected object.When ramp 37 is steel frame construction, in off working state, can piecemeal segmentation hang over chassis vehicle below, move with chassis vehicle.
Vehicle-mounted removable binary channels sigmatron perspective imaging system can be arranged in the ground such as customs, port, land route, airport, important place container vehicle, large, medium and small lorry, various car, station wagon etc. are carried out to perspective imaging, obtain fluoroscopy images clearly, fast and efficiently the object that may contain die Konterbande, dangerous material, prohibited items is checked.
Fig. 8 shows a kind of example of vehicle-mounted removable binary channels/dual intensity/Double-visual angle sigmatron perspective imaging system.
Vehicle-mounted removable binary channels/dual intensity/Double-visual angle sigmatron perspective imaging system is compared with common vehicle-mounted removable binary channels sigmatron perspective imaging system described in Fig. 7, the basic structures such as chassis vehicle are similar, main difference is to have: shielding collimator apparatus 202 has 4 collimating apparatus 202a that are distributed in electronic beam current E axis both sides, 202b, 202c, 202d, produce respectively the first X ray line X1, the second X ray line X2, the 3rd X ray line X3, the 4th X ray line X4.Wherein X1 and X3 draw from the right side of chassis vehicle, have the different energy of height, and X1 is low energy X ray line, and X3 is sigmatron line.And the first plane plane1 at X1 place checks that from the 3rd plane plane3 at X3 place passage 3 has different visual angles relatively.Wherein X2 and X4 draw from the left side of chassis vehicle, have the different energy of height, and X2 is low energy X ray line, and X4 is sigmatron line.And the second plane plane2 at X2 place checks that from the face plane4 of Siping City at X4 place passage 4 has different visual angles relatively.Corresponding, detector arm frame system also has four groups, and the common vehicle-mounted removable binary channels sigmatron perspective imaging system described in composition, structure and the principle of work of every group and Fig. 7 is basic identical.In working order, first group of detector jib 10a makes inner the first low energy detector array of installing be positioned at the first plane plane1, the 3rd group of detector jib 10c makes inner the first high energy detector array of installing be positioned at the 3rd plane plane3, forms first and checks passage 3; Second group of detector jib 10b makes inner the second low energy detector array of installing be positioned at the second plane plane2, the 4th group of detector jib 10d makes inner the second high energy detector array of installing be positioned at the face plane4 of Siping City, forms second and checks passage 4.
The course of work of vehicle-mounted removable binary channels/dual intensity/Double-visual angle sigmatron perspective imaging system is substantially similar to the common vehicle-mounted removable binary channels sigmatron perspective imaging system described in Fig. 7, just image also has a step in processing, the 4 width fluoroscopy images that 4 groups of detector systems obtained by signal analysis and image processing subsystem 8 do further Algorithm Analysis and processing, finally form two width reflections first and check passage 3 and the second fluoroscopy images with hierarchical structure and material information that is checked object checking in passage 4.
Patent CN101210895 is carried out perspective imaging to the X ray line that uses two different visual angles to checking object, and the method that finally constructs multi-level image specifically describes.In one embodiment, the image that plane1 and these two planes of plane3 are obtained adopts stereoscopic image reconstruction algorithm to obtain the first Double-visual angle fluoroscopy images that checks passage 3, and the image that plane2 and these two planes of plane4 are obtained adopts stereoscopic image reconstruction algorithm to obtain the second Double-visual angle fluoroscopy images that checks passage 4.
The patents such as CN101435783 are to being used the X ray line of two kinds of different-energies successively to being checked that object carries out respectively perspective imaging, and the method that finally constructs the fluoroscopy images of reflection material information specifically describes.In one embodiment, the image that plane1 and these two planes of plane3 are obtained adopts dual intensity material recognition to obtain the first dual intensity fluoroscopy images that checks passage 3, and the image that plane2 and these two planes of plane4 are obtained adopts dual intensity material recognition to obtain the second dual intensity fluoroscopy images that checks passage 4.
While beating on target due to electronic beam current, intensity and the energy distribution of the X ray line producing on the different position angle with respect to target are different, therefore on multiple shielding collimator apparatuses are arranged in respect to the different position angle of target time, the subsystem being made up of with multiple shielding collimator apparatuses electron accelerator can draw how group angles are different, intensity difference, the X ray line that energy distribution is different, and described in this, many group X ray lines are except intensity difference, energy difference, outside angle difference, also have plane sector region internal X-ray intensity distributions is even separately, can be loose less, the features such as focus is less.
In sum, a kind of vehicle-mounted removable binary channels/dual intensity/Double-visual angle sigmatron perspective imaging system shown in Fig. 8 can check that to two the object that checked in passage has the perspective imaging of structural stratification time information and material information simultaneously.This system can be arranged in the ground such as customs, port, land route, airport, important place various container vehicles, large, medium and small lorry, various car, station wagon etc. are carried out to perspective imaging, obtain the perspective imaging clearly with structural stratification time information and material information, the object that may contain die Konterbande, dangerous material, prohibited items is checked fast and efficiently.
According to the binary channels sigmatron perspective imaging system of the utility model embodiment, by the design of electron accelerator, shielding collimator apparatus, the first detector array, the second detector array, various mechanical assembling structures, utilize only an electron accelerator, two groups of X ray lines and two groups of detector systems, the object that checked in two passages is carried out to perspective imaging simultaneously, have the following advantages: two passages check simultaneously, speed is fast; Only use separate unit electron accelerator, simple in structure, cost is low; Compare cobalt-60 system, use electron accelerator is radiographic source, and safe reliability is higher; By the design of collimating apparatus, can draw more groups of X ray lines, can realize Double-visual angle function, fluoroscopy images can be distinguished by different level; Can draw the X ray line of different-energy, realize being checked the material identification of object; And can realize binary channels/dual intensity/Double-visual angle sigmatron perspective imaging system of multiple comprehensive function.And the X ray line in the utility model is in its plane sector region, have can fall apart little, intensity distributions evenly, multiple advantages such as target spot size is little, can wide-angle draw, can improve the picture quality of radioscopy imaging system.Can be designed as the specific situations such as fixed, combined type, orbit movable or vehicle-mounted removable according to binary channels sigmatron perspective imaging system of the present utility model, there is the advantages such as simple in structure, cost is low, function is strong, picture quality is good.
Although explain and described the utility model in accompanying drawing and description above, it is illustrative or exemplary instead of restrictive that such explanation and describing should be counted as; The utility model is not limited to the disclosed embodiments.
Those skilled in the art, in the time implementing utility model required for protection, by the claim of studying accompanying drawing, disclosure and enclosing, can understand and implement other modification of disclosed embodiment.In the claims, word " comprises " and does not get rid of other element or step.The pure fact of recording certain measures in mutually different dependent claims does not show that the combination of these measures can not advantageously be used.Any Reference numeral in the claims should not be interpreted as the restriction to scope.
Claims (22)
1. a binary channels sigmatron perspective imaging system, comprising: separate unit high-energy electron accelerator, shielding collimator apparatus, first check that passage, second checks passage, the first detector array, the second detector array, power supply and control subsystem, signal analysis and image processing subsystem; Wherein, high-energy electron accelerator comprises electron emission unit, electronics accelerator module, target, and the electronic beam current of generation has energy more than 2MeV; Shielding collimator apparatus comprises shielding construction and at least two collimating apparatuss; Two collimating apparatuss are separately positioned on the both sides of the axis of electronic beam current; Described first checks that passage and second checks that passage lays respectively at the both sides of electron accelerator; The target spot that first collimator, the first detector array and electronic beam current are practiced shooting is in the first plane, and the target spot that the second collimating apparatus, the second detector array and electronic beam current are practiced shooting is in the second plane.
2. binary channels sigmatron perspective imaging system according to claim 1, wherein said the first plane and the second plane form the first angle and the second angle with the axis of electronic beam current respectively, the angular range of described the first angle and the second angle is 30 degree to 150 degree, draws respectively uniform the first X ray line of intensity distributions and the second X ray line in described the first plane and the second plane.
3. binary channels sigmatron perspective imaging system according to claim 2, wherein said the first angle and the second corner dimension are equal, and described the first X ray line and the second X ray line are symmetrical.
4. binary channels sigmatron perspective imaging system according to claim 1, wherein the axis of electron accelerator and first checks that passage and second checks that the angle of passage is all less than 60 degree.
5. binary channels sigmatron perspective imaging system according to claim 4, wherein the axis of electron accelerator and first checks that passage and second checks that passage is parallel to each other.
6. binary channels sigmatron perspective imaging system according to claim 1, the angle that the angle that wherein the first plane and first passage form and the second plane and second channel form is all greater than 45 degree.
7. binary channels sigmatron perspective imaging system according to claim 6, the angle that the angle that wherein the first plane and first passage form and the second plane and second channel form is 90 degree.
8. according to the binary channels sigmatron perspective imaging system described in any one in claim 1～7, wherein detector array is that the linear being made up of multiple detectors is arranged, or segmentation line spread, or the L shaped arrangement of standard, or C shape is arranged.
9. according to the binary channels sigmatron perspective imaging system described in any one in claim 1～7, wherein detector array is in a row by multiple detector array or arranges more.
10. binary channels sigmatron perspective imaging system according to claim 8, also comprises the first detector jib and the second detector jib, for the installation of detector and fixing; Described detector jib is tubulose, and the detector of installing is therein formed to protection; Correspondence position at detector end face has opening, does not affect X ray and directly arrives detector end face.
11. binary channels sigmatron perspective imaging systems according to claim 10, wherein also comprise and are connected and fixed device, for the first detector jib and the second detector jib are connected and fixed.
12. binary channels sigmatron perspective imaging systems according to claim 8, also comprise canyon, fix, and suitable temperature, humidity working environment is provided for the installation of electron accelerator.
13. binary channels sigmatron perspective imaging systems according to claim 12, wherein the first detector jib, the second detector jib are fixedly connected with canyon, make the first detector array be positioned at the first plane, and the second detector array is positioned at the second plane.
14. binary channels sigmatron perspective imaging systems according to claim 8, also comprise pulpit, for system works personnel provide suitable equipment operation and workplace.
15. according to the binary channels sigmatron perspective imaging system described in any one in claim 10～14, and the overall xsect of wherein said binary channels sigmatron perspective imaging system forms " П " shape, " M " shape or " Ω " shape structure.
16. according to the binary channels sigmatron perspective imaging system described in any one in claim 10～14, also comprise the first adjustable fixer and the second adjustable fixer, be respectively used to the first detector jib and the second detector jib to be fixed on separately ground, and can adjust flexibly the direction of the position of detector jib, opening, make the first detector array be positioned at the first plane, make the second detector array be positioned at the second plane; The overall xsect of described binary channels sigmatron perspective imaging system forms " III " shape structure.
17. according to the binary channels sigmatron perspective imaging system described in any one in claim 1～7, also comprise at least one transmitting device, described at least one transmitting device is arranged on the first inspection passage and/or second and checks in passage, is checked that for dragging object passes through by the region of X-radiation with the speed of setting.
18. according to the binary channels sigmatron perspective imaging system described in any one in claim 1～7, also comprise and be arranged in the diffuser screen shield structure that checks passage one or both sides, penetrate the reflected ray and the scattered ray that while being checked object, form, safeguard work personnel and the public's safety for shielding X ray.
19. according to the binary channels sigmatron perspective imaging system described in any one in claim 1～7, also comprise ramp, is checked the position height of object for raising, make the various piece in the cross section that is checked object can be within the coverage of the first X ray line or the second X ray line.
20. 1 kinds of combined fixed binary channels sigmatron perspective imaging systems, comprise the binary channels sigmatron perspective imaging system as described in any one in claim 1～7, also comprise:
Canyon, is fixed on the first inspection passage and the second ground checking between passage, and inside is provided with electron accelerator and shielding collimator apparatus;
At least one transmitting device, described at least one transmitting device is arranged on the first inspection passage and/or second and checks in passage, is checked that for dragging object passes through by the region of X-radiation with the speed of setting;
The first detector jib, is positioned at the first inspection passage outside, inner installation the first detector array, and make the first detector array be positioned at first plane at first collimator place;
The second detector jib, is positioned at the second inspection passage outside, inner installation the second detector array, and make the second detector array be positioned at second plane at the second collimating apparatus place;
Pulpit, inside is provided with power supply and control subsystem, and signal analysis and image processing subsystem.
21. 1 kinds of vehicle-mounted removable binary channels sigmatron perspective imaging systems, comprise the binary channels sigmatron perspective imaging system as described in any one in claim 1～7, also comprise chassis vehicle; On described chassis vehicle, be at least provided with: x-ray source cabin, equipment compartment, work chamber, the first boom system and the second boom system; Wherein:
Electron accelerator is arranged in x-ray source cabin with shielding collimator apparatus, draws the first X ray line by first collimator to a side of chassis vehicle, draws the second X ray line by the second collimating apparatus to the opposite side of chassis vehicle;
The first boom system comprises the first detector array; In working order, described the first boom system is opened in a side of chassis vehicle, forms " door " formula structure, and make the first detector array be positioned at first plane at first collimator place with chassis vehicle; Under off working state, described the first boom system stored collapsed is in chassis vehicle top;
The second boom system comprises the second detector array; In working order, described the second boom system is opened at the opposite side of chassis vehicle, forms " door " formula structure, and make the second detector array be positioned at second plane at the second collimating apparatus place with chassis vehicle; Under off working state, described the second boom system stored collapsed is in chassis vehicle top;
Power supply and control subsystem, and signal analysis and image processing subsystem are arranged in equipment compartment;
System operation and office equipment are installed in work chamber.
22. 1 kinds of vehicle-mounted removable binary channels, dual intensity, Double-visual angle sigmatron perspective imaging system, comprise the binary channels sigmatron perspective imaging system as described in any one in claim 1～7, also comprises chassis vehicle; On described chassis vehicle, be at least provided with: x-ray source cabin, equipment compartment, work chamber, the first boom system, the second boom system, the 3rd boom system and the 4th boom system; Wherein:
Electron accelerator is arranged in x-ray source cabin with shielding collimator apparatus, draw all not identical the first X ray line and the 3rd X ray lines of energy and angle by first collimator and the 3rd collimating apparatus to a side of chassis vehicle, draw all not identical the second X ray line and the 4th X ray lines of energy and angle by the second collimating apparatus and the 4th collimating apparatus to the opposite side of chassis vehicle;
The first boom system comprises the first low energy detector array; In working order, described the first boom system is opened in a side of chassis vehicle, forms " door " formula structure, and make the first low energy detector array be positioned at first plane at first collimator place with chassis vehicle; Under off working state, the folding chassis vehicle top that is positioned over of described the first boom system;
The 3rd boom system comprises the first high energy detector array; In working order, described the 3rd boom system is opened in a side of chassis vehicle, forms " door " formula structure, and make the first high energy detector array be positioned at the 3rd plane at the 3rd collimating apparatus place with chassis vehicle, under off working state, the folding chassis vehicle top that is positioned over of described the 3rd boom system;
Former and later two " door " formula structures that the first boom system and the 3rd boom system and chassis vehicle form, form first and check passage;
The second boom system comprises the second low energy detector array; In working order, described the second boom system is opened at the opposite side of chassis vehicle, forms " door " formula structure, and make the second low energy detector array be positioned at second plane at the second collimating apparatus place with chassis vehicle; Under off working state, the folding chassis vehicle top that is positioned over of described the second boom system;
The 4th boom system comprises the second high energy detector array; In working order, described the 4th boom system is opened at the opposite side of chassis vehicle, forms " door " formula structure, and make the second high energy detector array be positioned at Siping City's face at the 4th collimating apparatus place with chassis vehicle; Under off working state, the folding chassis vehicle top that is positioned over of described the 4th boom system;
Former and later two " door " formula structures that the second boom system and the 4th boom system and chassis vehicle form, form second and check passage;
Power supply and control subsystem, and signal analysis and image processing subsystem are arranged in equipment compartment;
System operation and office equipment are installed in work chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320879291.7U CN203772764U (en) | 2013-12-30 | 2013-12-30 | Double-channel high-energy X-ray perspective imaging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320879291.7U CN203772764U (en) | 2013-12-30 | 2013-12-30 | Double-channel high-energy X-ray perspective imaging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203772764U true CN203772764U (en) | 2014-08-13 |
Family
ID=51289942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320879291.7U Expired - Fee Related CN203772764U (en) | 2013-12-30 | 2013-12-30 | Double-channel high-energy X-ray perspective imaging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203772764U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483711A (en) * | 2014-12-17 | 2015-04-01 | 同方威视技术股份有限公司 | Radiation imaging system based on distributed light source |
| CN104749198A (en) * | 2013-12-30 | 2015-07-01 | 同方威视技术股份有限公司 | Two-channel high-energy X-ray perspective imaging system |
| WO2016070649A1 (en) * | 2014-11-05 | 2016-05-12 | 同方威视技术股份有限公司 | Double-channel security check machine based on rotary arc-shaped detector |
| CN106645232A (en) * | 2017-01-25 | 2017-05-10 | 同方威视技术股份有限公司 | Safety inspection system |
| CN108450030A (en) * | 2015-09-10 | 2018-08-24 | 美国科学及工程股份有限公司 | It is characterized using the backscattering of self-adaptive electromagnetic x-ray scan in the ranks |
| CN111403073A (en) * | 2020-03-19 | 2020-07-10 | 哈尔滨工程大学 | Multipurpose terminal based on electron accelerator |
| CN113933884A (en) * | 2021-10-13 | 2022-01-14 | 中国原子能科学研究院 | Radioactive substance detection system, method and computer-readable storage medium |
-
2013
- 2013-12-30 CN CN201320879291.7U patent/CN203772764U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749198A (en) * | 2013-12-30 | 2015-07-01 | 同方威视技术股份有限公司 | Two-channel high-energy X-ray perspective imaging system |
| US10274636B2 (en) | 2013-12-30 | 2019-04-30 | Nuctech Company Limited | X-ray fluoroscopic imaging system |
| WO2016070649A1 (en) * | 2014-11-05 | 2016-05-12 | 同方威视技术股份有限公司 | Double-channel security check machine based on rotary arc-shaped detector |
| CN104483711A (en) * | 2014-12-17 | 2015-04-01 | 同方威视技术股份有限公司 | Radiation imaging system based on distributed light source |
| US10371648B2 (en) | 2014-12-17 | 2019-08-06 | Nuctech Company Limited | Radiography systems based on distributed ray source |
| CN108450030A (en) * | 2015-09-10 | 2018-08-24 | 美国科学及工程股份有限公司 | It is characterized using the backscattering of self-adaptive electromagnetic x-ray scan in the ranks |
| CN106645232A (en) * | 2017-01-25 | 2017-05-10 | 同方威视技术股份有限公司 | Safety inspection system |
| CN106645232B (en) * | 2017-01-25 | 2023-12-01 | 同方威视技术股份有限公司 | security check system |
| CN111403073A (en) * | 2020-03-19 | 2020-07-10 | 哈尔滨工程大学 | Multipurpose terminal based on electron accelerator |
| CN111403073B (en) * | 2020-03-19 | 2023-01-03 | 哈尔滨工程大学 | Multipurpose terminal based on electron accelerator |
| CN113933884A (en) * | 2021-10-13 | 2022-01-14 | 中国原子能科学研究院 | Radioactive substance detection system, method and computer-readable storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104749198B (en) | Binary channels sigmatron fluoroscopy imaging system | |
| CN203772764U (en) | Double-channel high-energy X-ray perspective imaging system | |
| CN104749199A (en) | Dual-energy/double-vision high-energy X-ray perspective imaging system | |
| CN1318841C (en) | X-ray backscatter mobile inspection van | |
| WO2016095774A1 (en) | Towing-type object inspection system with multiple viewing angles and usage method thereof | |
| CN104254769B (en) | High-speed secure inspection system | |
| US7082186B2 (en) | Container inspection system using cobalt-60 γ-ray source and cesium iodide or cadmium tungstate array detector | |
| US7215737B2 (en) | Double-radiant-source framework for container detecting system | |
| US8275091B2 (en) | Compact mobile cargo scanning system | |
| CN1068118C (en) | Vehicle-carried gamma ray digital radiation imaging mobile detection station and array detecting device thereof | |
| US20130028376A1 (en) | Stowable Arcuate Detector Array | |
| CN105445294A (en) | Vehicle-mounted inspection system | |
| CN106290422B (en) | Imaging device and method for vehicle safety inspection | |
| JP2016520830A (en) | Muon detection array station | |
| CN204086172U (en) | Vehicular check system | |
| TR201906435T4 (en) | Method and system of non-invasive inspection of aircraft. | |
| CN203941116U (en) | The sigmatron perspective imaging system of dual intensity/Double-visual angle | |
| CN203275670U (en) | Inspection vehicle based on large fanned-beam Compton back scattering scanning technology | |
| CN203535242U (en) | Radiation scanning detection device for small and medium size vehicle | |
| CN204536571U (en) | Various visual angles commodity inspection system | |
| CN201311401Y (en) | Car radiation imaging detection system | |
| US10809415B2 (en) | Imaging device for use in vehicle security check and method therefor | |
| Smith et al. | Mobile large-vehicle inspection system design issues | |
| Vorogushin et al. | Customs inspection systems based on linear electron accelerators |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20201230 |