CN211652615U - X-ray backscatter and transmission combined safety detector - Google Patents
X-ray backscatter and transmission combined safety detector Download PDFInfo
- Publication number
- CN211652615U CN211652615U CN202020344927.8U CN202020344927U CN211652615U CN 211652615 U CN211652615 U CN 211652615U CN 202020344927 U CN202020344927 U CN 202020344927U CN 211652615 U CN211652615 U CN 211652615U
- Authority
- CN
- China
- Prior art keywords
- ray
- hole
- detector
- collimator
- transmission
- 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
Images
Landscapes
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The utility model relates to a safety inspection equipment technical field specifically discloses a combination formula safety detector of X ray backscattering and transmission, include: the upper part of the rotating cylinder is provided with the lead belt, the lead belt is provided with the first ray hole and the second ray hole, the second ray hole and the first ray hole are arranged at intervals, crosstalk is avoided, X rays generated by the X-ray source penetrate through the first ray hole to perform flying spot scanning on an object, the second ray hole penetrates through the object to perform transmission scanning on the object, and the first ray hole and the second ray hole are combined to obtain more comprehensive information of the object; the first ray hole is composed of a plurality of dense small holes, the small holes are arranged in a linear mode, the small holes on the top are close to the upper ends of the adjacent second ray holes, the small holes on the bottom are close to the lower ends of the adjacent second ray holes, and the X-ray can be utilized to the maximum extent through the first ray hole and the second ray holes. The utility model discloses can improve the utilization ratio of the X ray among the combination formula safety detector, resources are saved.
Description
Technical Field
The utility model relates to a safety inspection equipment technical field. In particular to a combined X-ray backscatter and transmission safety detector.
Background
As a widely used security inspection technique, the X-ray imaging system can perform rapid inspection of items such as baggage and backpack, and inspection of various goods on land, sea, and air. The prior art is concerned with X-ray imaging systems primarily in both transmission and backscatter imaging modes. The transmission imaging mode mainly displays images of heavy materials and can detect contraband such as guns, metal cutters and the like; the backscattering imaging mode can display the geometric shape and the spatial distribution characteristics of the object with lower in-situ ordinal number and higher density on the surface layer, and can effectively detect the contraband such as explosives, liquid, drugs and the like. Therefore, the X-ray imaging system combining the two imaging modes of backscatter imaging and transmission imaging can or can relatively comprehensively detect information.
In the prior art, in order to prevent mutual interference between the backscatter and transmission beams and to make the displayed image unclear, the combined safety detector passes an X-ray through a rotating cylinder and is provided with different holes, and when the beam passes through the different holes, flying spot scanning or transmission beam scanning is completed, so that a backscatter image or a transmission image is formed. However, in the prior art, the total working time of the X-ray is only 2/3 of the scanning time, namely, the utilization rate of the X-ray is only 2/3, and the utilization rate is low, so that the resource waste is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a combination formula safety inspection appearance of X ray backscatter and transmission can improve the utilization ratio of the X ray among the combination formula safety inspection appearance, resources are saved.
In order to achieve the above object, the utility model provides a combination formula safety detector of X-ray backscatter and transmission, include: the device comprises an X-ray source, a rotating cylinder, a first detector, a second detector, a display screen and a controller; a lead belt is arranged at the upper part of the rotating cylinder, and a first ray hole and a second ray hole are formed in the lead belt; the first ray hole and the second ray hole are arranged at intervals; the first ray hole is composed of a plurality of dense small holes which are arranged in a linear shape, the uppermost small hole is close to the upper end of the adjacent second ray hole, and the lowermost small hole is close to the lower end of the adjacent second ray hole; the first detector and the second detector are respectively used for detecting a backscattering beam and a transmission beam; the X-ray source, the rotating cylinder, the first detector, the second detector and the display screen are all electrically connected with the controller.
Further, the width of the lead belt is 3-4 mm, the hole clearance of the first ray hole is set to be 0.1-0.5 mm, and the hole clearance of the second ray hole is set to be 1-2 mm.
Furthermore, the number of the first detectors is two, the two first detectors are arranged up and down, a gap is reserved between the two first detectors, and a gap collimator is arranged in the gap.
Further, still include: the X-ray source, the front collimator and the fan-shaped collimator are both arranged in the rotary cylinder, the front collimator is arranged close to the X-ray source, the fan-shaped collimator is arranged at the emergent end of the front collimator, and the central lines of the X-ray source, the front collimator and the fan-shaped collimator are on the same straight line.
Further, the second detector is a line array transmission detector.
Furthermore, the first detector and the second detector are both provided with shields.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a combined safety detector of X-ray backscatter and transmission, through set up the lead band in the upper portion of rotatory drum, avoid the X-ray to produce the radiation to the outside, seted up first ray hole and second ray hole on the lead band, the X-ray that the X-ray source produced passes first ray hole, carries out the flying spot scanning to the object, passes second ray hole and carries out the transmission scanning to the object, can acquire more comprehensive information of object; the second ray hole and the first ray hole are arranged at intervals, so that crosstalk is avoided; first ray hole comprises a plurality of intensive apertures, the aperture is linear arrangement, and the aperture of the top is close to the upper end in adjacent second ray hole, the aperture of below is close to the lower extreme in adjacent second ray hole, X ray passes through first ray hole and second ray hole, can furthest utilize X ray, first detector and second detector are used for surveying back scattering pencil and transmission pencil respectively, the display screen can show the image that has combined back scattering and transmission imaging mode, the testing result is more clear, X ray source, the rotation cylinder, first detector, second detector and display screen all are connected with the controller electricity, control this safety inspection appearance through the controller.
Drawings
Fig. 1 is a schematic structural diagram of a combined X-ray backscatter and transmission safety detector of the present invention;
FIG. 2 is a schematic top view of FIG. 1;
fig. 3 is a development view of the rotating cylinder of the present invention.
Detailed Description
The invention will be further elucidated and described with reference to the following embodiments and drawings in which:
referring to fig. 1, the present invention provides an X-ray backscatter and transmission combined safety detector, including: an X-ray source 10, a rotating cylinder 20, a first detector 30, a second detector 40, a display screen and a controller; a lead belt 23 is arranged at the upper part of the rotating cylinder 20, and a first ray hole 21 and a second ray hole 22 are formed in the lead belt 23; the first ray hole 21 and the second ray hole 22 are arranged at intervals; the first ray hole 21 is composed of a plurality of dense small holes which are arranged in a linear shape, the uppermost small hole is close to the upper end of the adjacent second ray hole 22, and the lowermost small hole is close to the lower end of the adjacent second ray hole 22; the first detector 30 and the second detector 40 are for detecting the backscattered beam and the transmitted beam, respectively; the X-ray source 10, the rotating cylinder 20, the first detector 30, the second detector 40, and the display screen are all electrically connected to the controller.
In this embodiment, the lead belt 23 is disposed on the upper portion of the rotating cylinder 20, so as to prevent the X-ray from radiating outwards, the lead belt 23 is provided with a first ray hole 21 and a second ray hole 22, the X-ray generated by the X-ray source 10 passes through the first ray hole 21 to perform flying spot scanning on the object 90, and passes through the second ray hole 22 to perform transmission scanning on the object 90, so as to obtain more comprehensive information of the object 90; the second ray holes 22 and the first ray holes 21 are arranged at intervals, so that crosstalk is avoided; the first ray hole 21 is composed of a plurality of dense small holes which are arranged in a linear shape, the uppermost small hole is close to the upper end of the adjacent second ray hole 22, the lowermost small hole is close to the lower end of the adjacent second ray hole 22, the X-ray can utilize the X-ray to a greater extent through the first ray hole 21 and the second ray hole 22, the second ray hole 22 and the first ray hole 21 are arranged at intervals to avoid crosstalk, the second ray hole 22 is arranged on the barrel body of the rotating barrel 20 and is arranged perpendicular to the axis of the rotating barrel 20, the first detector 30 and the second detector 40 are respectively used for detecting the anti-scattering beam 11 and the transmission beam 12, the display screen can display images combining anti-scattering and transmission imaging modes, the detection result is clearer, the X-ray source 10, the rotating barrel 20, the first detector 30, the second detector 40 and the display screen are all electrically connected with the controller, the safety detector is controlled by a controller.
The width of the lead belt 23 is 3-4 mm, the hole clearance of the first ray hole 21 is set to be 0.1-0.5 mm, and the hole clearance of the second ray hole 22 is set to be 1-2 mm.
Specifically, the lead belt 23 is arranged at the upper part of the rotating cylinder 20, and the width of the lead belt can be set to be 3-4 mm, so that radiation of rays to the outside is avoided; the hole gap of the first ray hole 21 can be set to be 0.1-0.5 mm and is composed of a plurality of dense small holes, so that X-rays can conveniently penetrate through the first ray hole to perform flying spot scanning on the object 90; the second suspected space 22 is a long hole provided along the body of the rotating cylinder 20 and perpendicular to the axis, so that the X-ray passes through the second ray hole 22 to perform transmission scanning of the object 90.
The two first detectors 30 are arranged up and down, a gap is reserved between the two first detectors 30, and a gap collimator is arranged in the gap.
Specifically, two first detectors 30 are arranged, and the two first detectors 30 are arranged up and down with a gap left therebetween, so that X-rays can pass through the gap to scan an object, and the anti-scattering beam 11 reflected by the object is detected by the first detectors 30, so as to form an anti-scattering image, and can be displayed through a display screen. And a gap collimator is arranged in the gap, so that the X-ray can be conveniently irradiated on the object 90 to the maximum extent to perform back scattering or transmission, and a clearer back scattering and transmission image is obtained.
Wherein, still include: a front collimator 50 and a fan collimator 60, the front collimator 50 and the fan collimator 60 are both arranged in the rotating cylinder 20, the front collimator 50 is arranged near the X-ray source 10, the fan collimator 60 is arranged at the exit end of the front collimator 50, and the central lines of the X-ray source 10, the front collimator 50 and the fan collimator 60 are on the same straight line.
Specifically, the front collimator 50 and the fan-shaped collimator 60 are both arranged in the rotating cylinder 20, the front collimator 50 is arranged close to the exit end of the X-ray source 10 to avoid outward divergence when the X-rays are emitted, and the fan-shaped collimator is arranged at the exit end of the front collimator 50 to change the X-rays into fan-shaped beams, so that the laser beams are more divergent, and the object 90 is scanned more comprehensively and integrally; while ensuring that the centre lines of the X-ray source 10, the front collimator 50 and the fan collimator 60 are in the same line.
Wherein the second detector 40 is a line array transmission detector.
Specifically, the second detector 40 is disposed on a side of the object away from the X-ray source 10, the X-rays pass through the object to generate the transmitted beam 12, the transmitted beam 12 is detected by the second detector 40 to form a transmission image, and the line array transmission detector can better receive the transmitted beam 12 transmitted through the object 90.
Wherein, the first detector 30 and the second detector 40 are both provided with shielding bodies.
Specifically, a shield is disposed on each of the first detector 30 and the second detector 40 for shielding stray X-rays.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. A combined X-ray backscatter and transmission safety detector, comprising: the device comprises an X-ray source (10), a rotating cylinder (20), a first detector (30), a second detector (40), a display screen and a controller; a lead belt (23) is arranged at the upper part of the rotating cylinder (20), and a first ray hole (21) and a second ray hole (22) are formed in the lead belt (23); the first ray holes (21) and the second ray holes (22) are arranged at intervals, the first ray holes (21) are composed of a plurality of dense small holes, the small holes are arranged in a linear mode, the uppermost small hole is close to the upper end of the adjacent second ray hole (22), and the lowermost small hole is close to the lower end of the adjacent second ray hole (22); the first detector (30) and the second detector (40) are for detecting a backscattered beam and a transmitted beam, respectively; the X-ray source (10), the rotating cylinder (20), the first detector (30), the second detector (40) and the display screen are all electrically connected with the controller.
2. The combined X-ray backscatter and transmission safety detector of claim 1, wherein the lead strip (23) has a width of 3-4 mm, the first ray hole (21) has a hole gap of 0.1-0.5 mm, and the second ray hole (22) has a hole gap of 1-2 mm.
3. The combined X-ray backscatter and transmission safety detector of claim 1, wherein there are two first detectors (30), two first detectors (30) being arranged one above the other with a gap therebetween, the gap being provided with a gap collimator.
4. The combined X-ray backscatter and transmission safety detector of claim 1, further comprising: a front collimator (50) and a fan-shaped collimator (60), wherein the front collimator (50) and the fan-shaped collimator (60) are both arranged in the rotating cylinder (20), the front collimator (50) is arranged close to the X-ray source (10), the fan-shaped collimator (60) is arranged at the emergent end of the front collimator (50), and the central lines of the X-ray source (10), the front collimator (50) and the fan-shaped collimator (60) are on the same straight line.
5. A combined X-ray backscatter and transmission security detector according to claim 1 wherein the second detector (40) is a line array transmission detector.
6. An X-ray backscatter and transmission combined safety detector according to claim 5 characterised in that shielding is provided on both the first detector (30) and the second detector (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020344927.8U CN211652615U (en) | 2020-03-18 | 2020-03-18 | X-ray backscatter and transmission combined safety detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020344927.8U CN211652615U (en) | 2020-03-18 | 2020-03-18 | X-ray backscatter and transmission combined safety detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211652615U true CN211652615U (en) | 2020-10-09 |
Family
ID=72688031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020344927.8U Active CN211652615U (en) | 2020-03-18 | 2020-03-18 | X-ray backscatter and transmission combined safety detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211652615U (en) |
-
2020
- 2020-03-18 CN CN202020344927.8U patent/CN211652615U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2444723C2 (en) | Apparatus and method of inspecting objects | |
| US6424695B1 (en) | Separate lateral processing of backscatter signals | |
| US9218933B2 (en) | Low-dose radiographic imaging system | |
| US7551718B2 (en) | Scatter attenuation tomography | |
| US8411822B2 (en) | Methods and systems for determining the average atomic number and mass of materials | |
| US6151381A (en) | Gated transmission and scatter detection for x-ray imaging | |
| KR101034753B1 (en) | X-ray inspection with contemporaneous and proximal transmission and backscatter imaging | |
| US7706502B2 (en) | Cargo container inspection system and apparatus | |
| CN102707324B (en) | Backscatter and transmission combined safety detector of X rays | |
| EP2963455B1 (en) | X-ray backscattering safety inspection system having distributed x-ray source and method using the same | |
| US7539283B2 (en) | Combined computed tomography and nuclear resonance fluorescence cargo inspection system and method | |
| US20080298546A1 (en) | Cargo container inspection method | |
| US7756249B1 (en) | Compact multi-focus x-ray source, x-ray diffraction imaging system, and method for fabricating compact multi-focus x-ray source | |
| JP2007513336A (en) | Adaptive scanning of materials using nuclear resonance fluorescence imaging | |
| BR112012021520B1 (en) | X-RAY SCAN SYSTEM | |
| CN106896120B (en) | Multi-modal detection system and method | |
| US20200355842A1 (en) | Systems and Methods for Improving Penetration of Radiographic Scanners | |
| CN106896121A (en) | Detecting system and method | |
| CN202854352U (en) | X-ray backscattering and transmission combined type safety detector | |
| CN211652615U (en) | X-ray backscatter and transmission combined safety detector | |
| CN208459303U (en) | Transmission checks equipment | |
| US20110193711A1 (en) | Method and device for detecting the presence, in a load, of objects suspected of containing at least one material having a given atomic weight | |
| WO2015105541A1 (en) | Low-dose radiographic inspection system | |
| CN113960086A (en) | Grid collimation imaging system and method for compensation type back scattering detector | |
| US20220381710A1 (en) | A sample inspection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Yingan Technology Co., Ltd Assignor: Kunxun Intelligent Equipment Manufacturing Co.,Ltd. Contract record no.: X2020990000172 Denomination of utility model: A combined safety detector for X-ray backscattering and transmission Granted publication date: 20201009 License type: Exclusive License Record date: 20200413 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210316 Address after: Room 1718, building 3, Jinan Yaogu shuangchuang base, north section of Gangxing Third Road, high tech Zone, Jinan City, Shandong Province Patentee after: Shandong kunxun Security Technology Co.,Ltd. Address before: No.9-3-401, No.39, Gaoxin 6th Road, Binhai Science Park, Binhai hi tech Zone, Tianjin Patentee before: Kunxun Intelligent Equipment Manufacturing Co.,Ltd. |
|
| TR01 | Transfer of patent right |