CN205879830U - Security installations - Google Patents
Security installations Download PDFInfo
- Publication number
- CN205879830U CN205879830U CN201620840246.4U CN201620840246U CN205879830U CN 205879830 U CN205879830 U CN 205879830U CN 201620840246 U CN201620840246 U CN 201620840246U CN 205879830 U CN205879830 U CN 205879830U
- Authority
- CN
- China
- Prior art keywords
- under test
- object under
- radiation
- distance
- emitting device
- 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.)
- Active
Links
Landscapes
- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model provides a security installations relates to radiation technical field. The utility model discloses a security installations includes: ray emitter, the backscattering detector lies in ray emitter and awaits measuring between the object for acquire the backscattering data, size distance detecting means lies in ray emitter and awaits measuring between the object for the measuring await measuring the object the size and/or with size distance detecting means's distance, position adjusting device for the size of the object that awaits measuring that detects according to size distance detecting means and/or with size distance detecting means's range adjustment ray emitter's position. Such security installations can detect size, the positional information of the object that awaits measuring, according to the size of the object that awaits measuring, position can automatically regulated ray emitter the position to can reduce or avoid to produce and survey the dead angle, improve the degree of accuracy of surveying.
Description
Technical field
This utility model relates to radiotechnology field, particularly a kind of rays safety detection apparatus.
Background technology
X-ray back scattering imaging has obtained increasing attention in safety check, and this technology can be good at checking low
The material of atomic number article.Detailed description of the invention is: flywheel diffraction line source target center rotates, and forms pen row bundle, pen row bundle and quilt
Inspection article interact, and form flying spot by Compton scattering.Backscatter detector is collected the X-ray back of the body of any instant flying spot and is dissipated
Ray, treated, obtain the material information in this flying spot moment, i.e. form backscatter images.Continuously after scanning, just can process also
Obtain the internal information of whole inspected object, can highlight and be hidden in car door interlayer, the atomic number of the concealed locations such as underbody
The article that number is relatively low, the such as contraband such as explosive, drugs.
Existing flying spot device is that radiation source produces fan-shaped X-ray, and fan-shaped X-ray shields through the rotation with many collimating apertures
Body, continuously generates pen row bundle, it is achieved the scanning of the first dimension, realizes sweeping of the second dimension by rotating or translating ray scanning covering of the fan
Retouch.
But, for the different size of article of row, existing backscattering device is in vertically and horizontally scan position and scanning
Angle maintains static, and may result in out angle of field bad, makes object under test internal structure be formed and blocks or overlapping, suspicious object
Under this angle, identification is the highest.
Utility model content
A purpose of the present utility model is to propose a kind of according to object under test situation flexible radiographic source position
Safety check scheme.
According to an aspect of the present utility model, a kind of rays safety detection apparatus is proposed, including: radiation-emitting device；Back scattering is visited
Survey device, between radiation-emitting device and object under test, be used for obtaining back scattering data；Size distance detection device, is positioned at
Between radiation-emitting device and object under test, for detect object under test size and/or with size distance detection device away from
From；With, position regulating device, for the object under test according to the detection of size distance detection device size and/or with size away from
Position from the distance regulation radiation-emitting device of detection device.
Further, position regulating device is additionally operable to the angle of the position adjustments backscatter detector according to radiation-emitting device
Degree.
Further, size distance detection device includes multiple sensor, for by the height of barrier in face of judging
Determine the height of object under test.
Further, size distance detection device also includes: video camera, is positioned at rays safety detection apparatus and object under test on horizontal plane
Perpendicular bisector on a bit, and to the perpendicular bisector direction shooting of rays safety detection apparatus with object under test；Calculate device, be used for obtaining to be measured
Object image distance in video image and picture altitude, according to image distance and the ratio of picture altitude, and sensor
The height of the object under test determined, determines the distance of object under test and size distance detection device.
Further, position regulating device be additionally operable to the height according to object under test and/or with size distance detection device
Distance, adjust the height of radiation-emitting device and ray emission angle according to predetermined gear.
Further, position regulating device be additionally operable to the height according to object under test and/or with size distance detection device
Distance, adjust the distance of radiation-emitting device and object under test according to predetermined gear.
Further, position regulating device be additionally operable to the height according to object under test and/or with size distance detection device
Distance, determine ideal height and the ray emission desired angle of radiation-emitting device according to predetermined policy, according to ray emission
The ideal height of device and ray emission desired angle adjust height and the ray emission angle of radiation-emitting device.
Further, position regulating device be additionally operable to the height according to object under test and/or with size distance detection device
Distance, determine the ideal distance of radiation-emitting device and object under test according to predetermined policy, according to radiation-emitting device with treat
The ideal distance surveying thing adjusts the distance of radiation-emitting device and object under test.
Further, also include: position regulating device is additionally operable to the height according to radiation-emitting device and ray emission angle
Spend the angle according to gear regulation backscatter detector；Or, according to height and the ray emission angle-determining of radiation-emitting device
The desired angle of backscatter detector, according to the angle of desired angle regulation backscatter detector.
Further, backscatter detector is arc surfaced.
Further, radiation-emitting device includes: radiographic source, is positioned at the central authorities of radiation-emitting device；Spatial modulator, position
Between radiographic source and backscatter detector, including fixed mask plate, and the rotation between object under test and fixed mask plate
Roller blind shield plate；More than one through hole is included in rotary screen shield plate.
Further, also include means of transport, for carrying and Mobile safety inspection equipment.
Further, also include: control device, for needing Non-follow control position regulating device to perform regulation according to detection
Operation.
Further, also include processor, for receiving the detectable signal from backscatter detector, analyze determinand
Body.
Such rays safety detection apparatus is able to detect that the size of object under test, positional information, according to size, the position of object under test
Put the position that can be automatically adjusted radiation-emitting device such that it is able to generation detection dead angle is reduced or avoided, improves the standard of detection
Exactness.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by of the present utility model, constitutes the part of the application,
Schematic description and description of the present utility model is used for explaining this utility model, is not intended that of the present utility model improper
Limit.In the accompanying drawings:
Fig. 1 is the schematic diagram of an embodiment of rays safety detection apparatus of the present utility model.
Fig. 2 is the schematic diagram of another embodiment of rays safety detection apparatus of the present utility model.
Fig. 3 is the schematic diagram of an embodiment of the radiation-emitting device of rays safety detection apparatus of the present utility model.
Fig. 4 is the reality that rays safety detection apparatus of the present utility model determines object under test and the distance of size distance detection device
Execute the schematic diagram of example.
Fig. 5 is the schematic diagram of another embodiment of rays safety detection apparatus of the present utility model.
Fig. 6 is the schematic diagram of the further embodiment of rays safety detection apparatus of the present utility model.
Fig. 7 is the flow chart of an embodiment of the operation method of rays safety detection apparatus of the present utility model.
Fig. 8 is the flow chart of another embodiment of the operation method of rays safety detection apparatus of the present utility model.
Fig. 9 be rays safety detection apparatus of the present utility model operation method in determine object under test height and with size distance detection
The flow chart of one embodiment of device distance.
Figure 10 is the flow chart of another embodiment of the operation method of rays safety detection apparatus of the present utility model.
Figure 11 is the flow chart of the further embodiment of the operation method of rays safety detection apparatus of the present utility model.
Detailed description of the invention
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
The position of existing x-ray inspection equipment each several part is relatively fixed, it is impossible to size, position according to object under test are real
Time adjust, it is likely that make back scattering scanning result image effect poor: such as ray Exit positions is fixed, and causes angle of field not
Good, make internal structure be formed and block or overlapping, suspicious object identification under this angle is the highest.
The schematic diagram of one embodiment of rays safety detection apparatus of the present utility model is as shown in Figure 1.Wherein, 1 fill for ray emission
Put, it is possible to launch ray 3 to object under test 4.Backscatter detector can obtain back scattering ray, generates back scattering data.
Rays safety detection apparatus also includes size distance detection device 5, between radiation-emitting device 1 and object under test 4, it is possible to check to be measured
The size of object 4, and the distance of object under test 4 and size distance detection device.Position regulating device 6 can according to size away from
Distance regulation ray between the size of object under test, object under test and the size distance detection device that detection device detects
The position of discharger.As shown in phantom in Figure 1, position regulating device can adjust the height of radiation-emitting device, the angle of departure
Degree etc..Such as, when checking object under test height and being higher, reduce the position of radiation-emitting device, to the angle that level is on the upper side
Divergent-ray bundle；When detecting that object under test height is relatively low, improve the position of radiation-emitting device, to the angle that level is on the lower side
Divergent-ray bundle；When object under test and size distance detection device distant being detected, reduce radiation-emitting device with
The distance of size distance detection device；When object under test and size distance detection device close together being detected, increase is penetrated
Line discharger and the distance of size distance detection device.
Such rays safety detection apparatus is able to detect that the size of object under test, positional information, according to size, the position of object under test
Put the position that can be automatically adjusted radiation-emitting device such that it is able to generation detection dead angle is reduced or avoided, preferably differentiates hidden
Ensconce object under test internal such as the contraband such as explosive, drugs, improve the accuracy detected.
In one embodiment, backscatter detector can be arc surfaced, and such rays safety detection apparatus can preferably receive
Back scattering ray, thus generate more preferable back scattering data.
In one embodiment, position regulating device can also detect according to the position adjustments back scattering of radiation-emitting device
The angle of device.As in figure 2 it is shown, when the position of the ray detector 1 that radiation-emitting device 1 is adjusted to figure middle and upper part dotted line, adjust
Whole backscatter detector is to the angle of backscatter detector 2 lower dotted line；When radiation-emitting device 1 is adjusted to figure middle and lower part dotted line
The position of ray detector 1 time, adjust the backscatter detector angle to backscatter detector 2 upper dotted line；When ray is sent out
When injection device 1 is positioned at middle solid line position, adjusts backscatter detector and be positioned at the angle of middle the painted backscatter detector of solid line 2
Degree.
In such rays safety detection apparatus, it is possible to according to position, the position of size adjusting radiation-emitting device of object under test, root
According to the angle of the position adjustments backscatter detector of radiation-emitting device, thus preferably receive back scattering ray, obtain more
Accurately, complete back scattering data.
In one embodiment, the schematic diagram of an embodiment of radiation-emitting device 1 is as shown in Figure 3.Wherein 11 for penetrating
Line source, it is possible to launch X-ray 3.12 is fixed mask plate, it is possible to limits ray 3 and launches to fixed-direction with fixing angle.
13 is rotating shield, and rotating shield 13 has at least one through hole 14.Rotating shield 13 does not stop to rotate, when through hole 14
When arriving the transmitting boundary that fixed mask plate 12 limits ray 3, ray is launched by through hole 14, forms flying spot bundle.
In such rays safety detection apparatus, radiation-emitting device can be with predetermined frequency, angular emission emergent ray, it is easy to according to
Needs are adjusted, control.
In one embodiment, size distance detection device includes multiple sensor, it is possible to by barrier in face of judging
The mode of height determines the height of object under test.In one embodiment, size distance detection device has a sensor, energy
Enough height judging object under test by the way of having barrier before judging which sensor cover.
Such rays safety detection apparatus can be become by determination existing, that equipment that is that be easily assembled realizes object under test size
This is low, it is easy to promote the use.
In one embodiment, be positioned on horizontal plane on the perpendicular bisector of rays safety detection apparatus and object under test a little has shooting
Machine, and to the perpendicular bisector direction shooting of rays safety detection apparatus with object under test, it is possible to obtain the video image of object under test.Video image
Visual angle can be as shown in Figure 4.Based on this video image, it is possible to obtain object under test and size distance detection dress in the picture
The image distance d put, and picture altitude h that object under test is in the picture.Owing to utilizing sensor can obtain object under test
Actual height H, as shown in Figure 4, in figure, left side object is rays safety detection apparatus, and right side object is object under test.Object under test with
The actual range of size distance detection device is D.According to formula
D=(dH)/h
Determine the actual range of object under test and video camera, be between object under test and size distance detection device away from
From.
Such rays safety detection apparatus by applying sensor, video camera cleverly, and can coordinate data analysis, and acquisition is treated
Survey size and the distance of size distance detection device of object, thus detect for the regulation position of radiation-emitting device, back scattering
The angle of device provides data basis.
In one embodiment, sensor proximity is provided with three-dimensional camera, it is possible to directly obtain object under test and shooting
Range information between machine.Such equipment constitutes simpler, and eliminates the operation of calculating, improves the reaction speed of equipment
Degree.
In one embodiment, according to the actual size size requirement of object under test, multiple gear, Mei Gedang can be set
Position object under test in detecting corresponding predetermined size range.In one embodiment, object under test can be vehicle to be measured.
Owing to the size of vehicle is relatively fixed, particularly may be divided into large car, in-between car, compact car three kinds, can be according to vehicle dimension
Size sets radiation-emitting device 1 and the gear of backscatter detector 2.As shown in Figure 5, tri-gears of a, b, c can be set,
Wherein, gear on the basis of b gear, radiation-emitting device is positioned at middle part, shoots in the horizontal direction；The radiation-emitting device of a gear
It is positioned at reference position upwards about 60cm, towards level 30 degree of angular direction divergent-rays on the lower side；The radiation-emitting device of c gear is positioned at
Downward about the 60cm in reference position, towards level 30 degree of direction divergent-rays relatively on the upper side.
Can use a gear for compact car, in-between car uses b gear, and large car uses c gear.According to vehicle to be measured
Size, adjust radiation-emitting device 1 and backscatter detector 2 and be in position and the angle of respective notch.Such safety check sets
For position and the angle of backscatter detector of gear adjustment radiation-emitting device that can be predetermined, the requirement to equipment is low, instead
Answer speed fast, it is simple to popularization and application.
In one embodiment, can be after the distance of the height and size distance detection device that obtain object under test, base
In ideal height and the ray emission desired angle of predetermined policy calculation emergent ray discharger, adjust radiation-emitting device position
In ideal height, according to desired angle divergent-ray.Such rays safety detection apparatus is applicable to detect the object under test of various sizes, energy
Enough optimum height of radiation-emitting device according to detection object under test, angle adjustment radiation-emitting device, thus obtain more
Detection data accurately, reaches more preferable Effect on Detecting.
In one embodiment, it is also possible to be also provided with multiple for radiation-emitting device with the distance of size distance detection device
Gear, adjusts the horizontal level of radiation-emitting device.Owing to, from the point of view of the principle that back scattering detects, radiation-emitting device is with to be measured
The nearlyest effect of object distance is the best, but owing to the angle of radiation of radiation-emitting device is limited, therefore to ensure that angle of radiation is covered
Further on the premise of covering region to be measured the radiation-emitting device distance with object under test, and this distance is radiation-emitting device and treats
Survey the desired detection distance of object.
If radiation-emitting device is D1 with the desired detection distance of object under test, size distance detection device and object under test
Distance be D, then the ideal distance of radiation-emitting device and size distance detection device is D1-D, therefore, selects ray emission
Radiation-emitting device, closest to the gear of D1-D, is adjusted to the gear of correspondence by the distance of device and size distance detection device.
Tri-gears of a, b, c, radiation-emitting device and size is had as arranged the distance of radiation-emitting device and size distance detection device
The distance of distance detection device is respectively 45cm, 60cm, 75cm.According to the size of object under test, determine object under test and ray
The ideal distance of discharger is 2m, and object under test is 1.5m with the distance of size distance detection device, it is therefore desirable to adjust chi
It is 50cm between very little distance detection device and radiation-emitting device, then adjusts radiation-emitting device and be positioned at the position of gear a.
Such rays safety detection apparatus can adjust ray emission dress according to the distance of object under test with size distance detection device
Put and the distance of size distance detection device, it is achieved adjust the distance between radiation-emitting device and object under test, the most excellent
Change Effect on Detecting；On the other hand adjust according to gear and reduce the requirement to rays safety detection apparatus Yu object under test distance, make safety check
Process is more convenient and easy.
In one embodiment, can according to radiation-emitting device and desired detection distance D1 of object under test, size away from
Distance D from detection device and object under test calculates the ideal distance of radiation-emitting device and size distance detection device
D1-D, the distance adjusting radiation-emitting device and size distance detection device is ideal distance.Such as the size according to object under test,
Determining that object under test is 2m with the ideal distance of radiation-emitting device, object under test with the distance of size distance detection device is
1.5m, it is therefore desirable to adjusting between size distance detection device and radiation-emitting device is 50cm, then adjust radiation-emitting device
It is positioned at size distance detection device at a distance of the position of 50cm.
Such rays safety detection apparatus can be according to preferable object under test radiation-emitting device and size distance detection device
The position of distance regulation radiation-emitting device, optimizes Effect on Detecting further.
The schematic diagram of the further embodiment of rays safety detection apparatus of the present utility model is as shown in Figure 6.Rays safety detection apparatus also includes fortune
Load instrument 7, it is possible to carrying and Mobile safety inspection equipment, it is possible to for accident flexible dispatching, it is simple to transport；Floor space is little,
And in the case of object under test is inconvenient to move, the inspection of continuous multiple object under test can be realized by Mobile safety inspection equipment
Survey, easy to use, it is simple to popularization and application.
In one embodiment, rays safety detection apparatus also includes processor, it is possible to receives the detection from backscatter detector and believes
Number, generate back scattering detection image, analyze object under test, generate result of detection.Such rays safety detection apparatus can obtain spy in real time
Altimetric image and result of detection, improve detection efficiency
In one embodiment, rays safety detection apparatus also includes controlling device, and staff manually can adjust by controlling device
The position of whole ray detecting device and the angle of backscatter detector.Using such rays safety detection apparatus, staff can root
Need according to detection, multi-angle, position adjustments radiation detection apparatus and backscatter detector, help to distinguish suspicious object, improve and visit
The accuracy surveyed.
The flow chart of one embodiment of the operation method of rays safety detection apparatus of the present utility model is as shown in Figure 7.
In step 701, utilize size distance detection device obtain the height of object under test and object under test and size away from
Distance from detection device.
In a step 702, according to height and the distance regulation of object under test and size distance detection device of object under test
The position of radiation-emitting device.Such as, when checking object under test height and being higher, reduce the position of radiation-emitting device, to
The angular emission beam that level is on the upper side；When detecting that object under test height is relatively low, improve the position of radiation-emitting device, to
The angular emission beam that level is on the lower side；When object under test and size distance detection device distant being detected, reduce
Radiation-emitting device and the distance of size distance detection device；When distance object under test and size distance detection device being detected
Time nearer, increase the distance of radiation-emitting device and size distance detection device.
In step 703, obtain back scattering detection data by backscatter detector.
In step 704, result of detection is obtained according to back scattering detection data.
By such method, it is possible to the size of object under test, positional information detected, according to the size of object under test,
Position can be automatically adjusted the position of radiation-emitting device, thus generation detection dead angle is reduced or avoided, and improves the accurate of detection
Degree.
The flow chart of another embodiment of the operation method of rays safety detection apparatus of the present utility model is as shown in Figure 8.
In step 801, utilize size distance detection device obtain the height of object under test and object under test and size away from
Distance from detection device.
In step 802, according to height and the distance regulation of object under test and size distance detection device of object under test
The position of radiation-emitting device.
In step 803, according to the angle of the position adjustments backscatter detector of radiation-emitting device.As in figure 2 it is shown, work as
During the position of the ray detector 1 that radiation-emitting device 1 is adjusted to figure middle and upper part dotted line, adjust backscatter detector to back scattering
The angle of detector 2 lower dotted line；When the position of the ray detector 1 that radiation-emitting device 1 is adjusted to figure middle and lower part dotted line,
Adjust the backscatter detector angle to backscatter detector 2 upper dotted line；When radiation-emitting device 1 is positioned at middle solid line position
Time, adjust backscatter detector and be positioned at the angle of middle the painted backscatter detector of solid line 2.
In step 804, back scattering detection data is obtained by backscatter detector.
In step 805, result of detection is obtained according to back scattering detection data.
By such method, it is possible to according to position, the position of size adjusting radiation-emitting device of object under test, according to
The angle of the position adjustments backscatter detector of radiation-emitting device, thus preferably receive back scattering ray, obtain more accurate
Really, complete back scattering data.
In one embodiment, it is possible to use multiple sensors judge in face of obstacle height, so that it is determined that object under test
Height.In one embodiment, size distance detection device has a sensor, it is possible to by judging which sensor
The mode having barrier in front judges the height of object under test.Such method can be by equipment existing, that be easily assembled
Realize the determination of object under test size, low cost, it is easy to promote the use.
In one embodiment, it is possible to use the video camera near the position of sensor shoots to the direction of object under test,
Obtain the video image of object under test, determine determinand according to the height of video image with the object under test utilizing sensor to determine
Body and the distance of video camera.As shown in Figure 9.
In step 901, the height H of object under test is determined by obstacle height in face of judging.
In step 902, utilize and be positioned on horizontal plane the video camera of any on the perpendicular bisector of rays safety detection apparatus and object under test
Perpendicular bisector direction shooting to rays safety detection apparatus with object under test.
In step 903, picture altitude h of object under test in video image, and object under test in video image are obtained
Image distance d with size distance detection device.
In step 904, object under test is D with the actual range of size distance detection device.According to formula
D=(dH)/h
Determine the distance between object under test and size distance detection device.
By such method, it is possible to by applying sensor, video camera cleverly, and coordinate data analysis, obtain
The size of object under test and the distance of size distance detection device, thus visit for the regulation position of radiation-emitting device, back scattering
The angle surveying device provides data basis.
In one embodiment, according to the actual size size requirement of object under test, multiple gear, Mei Gedang can be set
Position object under test in detecting corresponding predetermined size range.Size distance detection device is utilized to determine the chi of object under test
Very little；Size according to object under test determines the gear of correspondence, by the position of radiation-emitting device, angle adjustment to respective notch.
In one embodiment, distance D between object under test and size distance detection device is determined；According to object under test
Size determine the ideal distance D1 between object under test and radiation-emitting device；Determine radiation-emitting device and size distance inspection
The ideal distance surveying device is D1-D.Select the distance shelves closest to D1-D of radiation-emitting device and size distance detection device
Position, adjusts the gear that the position of radiation-emitting device is corresponding.By such method, it is possible to according to object under test and size distance
The distance of detection device adjusts the distance of radiation-emitting device and size distance detection device, it is achieved adjust radiation-emitting device with
Distance between object under test, on the one hand optimizes Effect on Detecting；On the other hand it is right to be adjusted reducing according to predetermined gear
Rays safety detection apparatus and the requirement of object under test distance, make safety check process more convenient and easy.
In one embodiment, can be after the distance of the height and size distance detection device that obtain object under test, base
In ideal height and the ray emission desired angle of predetermined policy calculation emergent ray discharger, adjust radiation-emitting device position
In ideal height, adjust according to desired angle divergent-ray.By such method, it is possible to for the optimum of detection object under test
The height of radiation-emitting device, the position of angle adjustment radiation-emitting device, thus obtain detection data more accurately, reach
Preferably Effect on Detecting.
In one embodiment, can according to radiation-emitting device and desired detection distance D1 of object under test, size away from
Distance from detection device and object under test is that D calculates the ideal distance of radiation-emitting device and size distance detection device and is
D1-D, the distance adjusting radiation-emitting device and size distance detection device is ideal distance.
By such method, it is possible to according to preferable object under test radiation-emitting device and size distance detection device
The position of distance regulation radiation-emitting device, optimizes Effect on Detecting further.
The flow chart of another embodiment of the operation method of rays safety detection apparatus of the present utility model is as shown in Figure 10.
In step 1001, object under test is through the search coverage of rays safety detection apparatus.
In step 1002, the size of the size distance detection device detection object under test of rays safety detection apparatus, and determinand
Body and the distance of size distance detection device.
In step 1003, rays safety detection apparatus is according to the size of object under test, and object under test fills with size distance detection
The distance put adjusts the angle of the position of radiation-emitting device, angle and backscatter detector in real time.Radiation-emitting device is to treating
Surveying object and send flying spot beam line, backscatter detector receives back scattering ray.
In step 1004, obtain detection data by backscatter detector.Can be according to the display detection of back scattering data
Image, determines result of detection.
By such method, it is possible to realize the size according to object under test, distance and adjust radiation-emitting device in real time
Position and the angle of backscatter detector, it is achieved the quick detection of measuring targets, while optimizing Detection results, Ke Yilian
The multiple objects under test of continuous scanning, the throughput of object under test is high, and detection speed is fast, it is ensured that the efficiency of detection.
The flow chart of the further embodiment of the operation method of rays safety detection apparatus of the present utility model is as shown in figure 11.
In step 1101, detection data can be obtained in the way of using in embodiment illustrated in fig. 10.
In step 1102, suspicious region is determined according to the detection data obtained.Suspicious region can include distinguishing
Region, detection dead angle or doubtful prohibited items region.
In step 1103, staff can detect for suspicious region emphasis.In one embodiment, ray is adjusted
The angle of the position of discharger, angle and backscatter detector, to suspicious region Multiple-Scan.
In step 1104, by the Multiple-Scan to suspicious region, detection data repeatedly is obtained.
In step 1105, the detection data according to repeatedly detecting determines result of detection.
By such method, it is possible to determine the suspicious region of object under test according to the data of single quick detection, then adjust
The angle emphasis detection suspicious region of the position of whole radiation-emitting device, angle and backscatter detector, thus the most excellent
Change result of detection.
Finally should be noted that: it is only limited by above example in order to the technical solution of the utility model to be described
System；Although being described in detail this utility model with reference to preferred embodiment, those of ordinary skill in the field should
Understand: still detailed description of the invention of the present utility model can be modified or portion of techniques feature is carried out equivalent and replace
Change；Without deviating from the spirit of technical solutions of the utility model, it all should contain the technical scheme being claimed at this utility model
In the middle of scope.
Claims (12)
1. a rays safety detection apparatus, it is characterised in that including:
Radiation-emitting device；
Backscatter detector, between radiation-emitting device and object under test, is used for obtaining back scattering data；
Size distance detection device, between radiation-emitting device and object under test, for detecting the chi of described object under test
Very little and/or distance with described size distance detection device；With,
Position regulating device, for according to described size distance detection device detection described object under test size and/or with
The distance of described size distance detection device regulates the position of described radiation-emitting device.
Equipment the most according to claim 1, it is characterised in that described position regulating device is additionally operable to send out according to described ray
The angle of backscatter detector described in the position adjustments of injection device.
Equipment the most according to claim 1, it is characterised in that described size distance detection device includes multiple sensor,
For determining the height of described object under test by the height of barrier in face of judging.
Equipment the most according to claim 3, it is characterised in that described size distance detection device also includes:
Video camera, is positioned at described rays safety detection apparatus and a bit on the perpendicular bisector of described object under test on horizontal plane, and sets to safety check
The standby perpendicular bisector direction with described object under test shoots；
Calculate device, for obtaining object under test image distance in video image and picture altitude, according to described image away from
From the ratio with picture altitude, and the height of object under test that described sensor determines, determine that described object under test is with described
The distance of size distance detection device.
Equipment the most according to claim 1, it is characterised in that described position regulating device is additionally operable to according to described determinand
The height of body and/or the distance with described size distance detection device, adjust described radiation-emitting device according to predetermined gear
Height and ray emission angle；
And/or,
Described position regulating device be additionally operable to the height according to described object under test and/or with described size distance detection device
Distance, adjusts the distance of described radiation-emitting device and described object under test according to predetermined gear.
Equipment the most according to claim 1, it is characterised in that described position regulating device is additionally operable to according to described determinand
The height of body and/or the distance with described size distance detection device, determine described radiation-emitting device according to predetermined policy
Ideal height and ray emission desired angle, ideal height and ray emission desired angle according to described radiation-emitting device are adjusted
The height of whole described radiation-emitting device and ray emission angle；
And/or,
Described position regulating device be additionally operable to the height according to described object under test and/or with described size distance detection device
Distance, determines the ideal distance of described radiation-emitting device and described object under test according to predetermined policy, sends out according to described ray
The ideal distance of injection device and described object under test adjusts the distance of described radiation-emitting device and described object under test.
Equipment the most according to claim 2, it is characterised in that also include: described position regulating device is additionally operable to according to institute
Height and the ray emission angle of stating radiation-emitting device regulate the angle of described backscatter detector according to gear；Or,
The desired angle of backscatter detector, root described in height according to described radiation-emitting device and ray emission angle-determining
The angle of described backscatter detector is regulated according to described desired angle.
Equipment the most according to claim 2, it is characterised in that described backscatter detector is arc surfaced.
Equipment the most according to claim 1, it is characterised in that described radiation-emitting device includes:
Radiographic source, is positioned at the central authorities of described radiation-emitting device；
Spatial modulator, between described radiographic source and described backscatter detector, including fixed mask plate, and is positioned at described
Rotary screen shield plate between object under test and described fixed mask plate；More than one through hole is included in described rotary screen shield plate.
Equipment the most according to claim 1, it is characterised in that also include means of transport, is used for carrying and move described peace
Inspection equipment.
11. equipment according to claim 1, it is characterised in that also include: control device, for needing hands according to detection
The described position regulating device of dynamic control performs regulation operation.
12. equipment according to claim 1, it is characterised in that also include processor, for receiving from described back scattering
The detectable signal of detector, analyzes object under test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620840246.4U CN205879830U (en) | 2016-08-05 | 2016-08-05 | Security installations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620840246.4U CN205879830U (en) | 2016-08-05 | 2016-08-05 | Security installations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205879830U true CN205879830U (en) | 2017-01-11 |
Family
ID=57700947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620840246.4U Active CN205879830U (en) | 2016-08-05 | 2016-08-05 | Security installations |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205879830U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093089A (en) * | 2016-08-05 | 2016-11-09 | 同方威视技术股份有限公司 | Rays safety detection apparatus and method |
-
2016
- 2016-08-05 CN CN201620840246.4U patent/CN205879830U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093089A (en) * | 2016-08-05 | 2016-11-09 | 同方威视技术股份有限公司 | Rays safety detection apparatus and method |
| CN106093089B (en) * | 2016-08-05 | 2019-03-01 | 同方威视技术股份有限公司 | Rays safety detection apparatus and method |
| US10585052B2 (en) | 2016-08-05 | 2020-03-10 | Nuctech Company Limited | Security inspection apparatus and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106093089A (en) | Rays safety detection apparatus and method | |
| US9223051B2 (en) | X-ray based system and methods for inspecting a person's shoes for aviation security threats | |
| US9915752B2 (en) | Inspection systems with two X-ray scanners in a first stage inspection system | |
| US8638904B2 (en) | Personnel screening system | |
| US7366282B2 (en) | Methods and systems for rapid detection of concealed objects using fluorescence | |
| CN103064125B (en) | For improving the system and method for the people screening guided | |
| US7551715B2 (en) | X-ray inspection based on scatter detection | |
| US8194822B2 (en) | X-ray inspection based on scatter detection | |
| US20110274249A1 (en) | Personnel Screening System | |
| CA2793229A1 (en) | Personnel screening system | |
| MX2010007176A (en) | Improved security system for screening people. | |
| US20120307967A1 (en) | Reduced Width Body Scanner | |
| CN105301669A (en) | Safety check device and ray detection method | |
| US20120314836A1 (en) | X-ray Shoe Inspection | |
| US20120008828A1 (en) | Target-linked radiation imaging system | |
| CN205879830U (en) | Security installations | |
| WO2020139162A1 (en) | System for screening vehicles and method of radioscopic control of moving objects | |
| CN116224457A (en) | Multi-ray source inspection apparatus and inspection method | |
| US20130315469A1 (en) | Method for 3d inspection of an object using x-rays |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181119 Address after: 101500 No. 18 Garden Road, Miyun Economic Development Zone, Beijing Co-patentee after: Nuctech Company Limited Patentee after: Tongfang Weishi Technology (Beijing) Co., Ltd. Address before: 100084 Beijing city Haidian District Shuangqing Road with Party building A block 2 layer Patentee before: Nuctech Company Limited |