CN112083510A - Ray detection equipment and corner detector assembly thereof - Google Patents
Ray detection equipment and corner detector assembly thereof Download PDFInfo
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- CN112083510A CN112083510A CN202010812185.1A CN202010812185A CN112083510A CN 112083510 A CN112083510 A CN 112083510A CN 202010812185 A CN202010812185 A CN 202010812185A CN 112083510 A CN112083510 A CN 112083510A
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- 238000001514 detection method Methods 0.000 title claims abstract description 123
- 238000003384 imaging method Methods 0.000 claims abstract description 14
- 230000005855 radiation Effects 0.000 claims description 33
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- 210000001503 joint Anatomy 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 14
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 description 18
- 239000000523 sample Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
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- 230000005540 biological transmission Effects 0.000 description 1
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Abstract
The invention relates to a ray detection device and a corner detector assembly thereof. The corner detector assembly comprises a corner base and a corner detector; a corner base for mounting to an inside corner of the detector array; the inner side corner is formed by one end of the transverse arm detector array and one end of the longitudinal arm detector array which are close to each other; and the corner detector is arranged on the corner base and forms a corner detector array, and the corner detector array is used for filling a detection missing area between the transverse arm detector array and the longitudinal arm detector array so as to obtain complete imaging at the inner corner. According to the scheme, the problems that the installation space requirement is large and the installation and maintenance are inconvenient due to the fact that the corners of the vertical detection arm and the transverse detection arm of the conventional ray detection equipment need to be overlapped are solved.
Description
Technical Field
The invention relates to a ray detection device and a corner detector assembly thereof.
Background
The radiation imaging technique is a technique of irradiating an object with a beam of rays and imaging by detecting the action of the object on the rays, and commonly used rays include X-rays and gamma-rays. According to national standards, a radiation detection device for containers or vehicles generally comprises the following parts: the system comprises a ray source, a radiation detection and imaging system, a scanning device and control system, an imaging display system, a safety interlocking device and a radiation protection facility. The detection principle of the ray detection equipment is that rays generated by a ray source such as an accelerator are utilized to carry out linear scanning perspective on a container, the rays are received by a detector array to become ray signals with different strengths, the signals are converted into weak electric signals through a ray detector, the electric signals are processed through an acquisition circuit, a related signal processing system and an image processing system to be restored into perspective images of the container to be detected and displayed on a computer screen, and forbidden articles or entrained articles hidden in the container can be distinguished from the images. Because the relative position between the detector and the ray source can influence the quality of an image, a detection arm is usually arranged on an installation frame of the conventional ray detection equipment, a group of corresponding detectors are arranged on one detection arm to form a detector array, and the relative position between the detector and the ray source is ensured by depending on the processing and assembling precision of the detection arm.
The radiation detection equipment for the container or the vehicle is generally divided into side-illuminated detection equipment, top-illuminated detection equipment and double-radiation-source detection equipment according to the arrangement position and the irradiation direction of a radiation source, wherein the top-illuminated detection equipment is, for example, double-view passenger car scanning inspection equipment disclosed in Chinese patent application with application publication number CN 107991324A; the double radiation source detection device is an X-ray safety inspection system disclosed in Chinese patent with the publication number of CN206773217U and a ray detection device disclosed in Chinese patent with the publication number of CN 208736819U.
Common to these devices is that in order to obtain complete imaging, the vertical and horizontal probing arms need to have an overlap section, either the end of the vertical probing arm extends to one end of the length direction of the horizontal probing arm, or the end of the horizontal probing arm extends to one end of the length direction of the vertical probing arm, and the size of the overlap section tends to be long. Therefore, the detection arm needs a large installation space, the horizontal size or the vertical height of the equipment frame body is large, the position and the angle of the detector are inconvenient to adjust, and the installation and the maintenance are inconvenient. Particularly, for a buried radiation detection device, for example, as shown in fig. 1, the bottom end of the vertical detection arm 100 and the entire horizontal detection arm 200 need to be buried in the ground foundation 300, and the problems of large installation space requirement and inconvenient installation and maintenance will be more prominent.
Disclosure of Invention
The invention aims to provide ray detection equipment to solve the problems of large installation space requirement and inconvenient installation and maintenance caused by the fact that corners of a vertical detection arm and a transverse detection arm of the existing ray detection equipment need to be lapped. Meanwhile, the invention also aims to provide a corner detector assembly of the ray detection equipment, which can solve the problems of large installation space requirement and inconvenient installation and maintenance caused by the fact that corners of a vertical detection arm and a transverse detection arm of the existing ray detection equipment need to be lapped.
The technical scheme adopted by the corner detector assembly is as follows.
A corner detector assembly including a corner base and a corner detector;
a corner base for mounting to an inside corner of the detector array; the inner side corner is formed by one end of the transverse arm detector array and one end of the longitudinal arm detector array which are close to each other;
and the corner detector is arranged on the corner base and forms a corner detector array, and the corner detector array is used for filling a detection missing area between the transverse arm detector array and the longitudinal arm detector array so as to obtain complete imaging at the inner corner.
The technical scheme has the beneficial effects that: according to the technical scheme, the corner detector assembly can be arranged in the inner side corner through the corner base and is positioned on one side, close to the ray source, of the inner side corner, the corner detector arranged on the corner base can form the corner detector array, and the detection missing area between the transverse arm detector array and the longitudinal arm detector array is filled, so that the complete imaging of the inner side corner is obtained; meanwhile, the corner detector assembly is positioned at one side of the inner side corner close to the ray source, so that a larger area can be detected under the condition that the sizes of the detector modules are the same, and the number of corner detectors is reduced.
As a preferred technical solution, the corner detector is adjustably disposed on the corner base, and is used for aligning the detecting element on the corner detector with the beam current.
The technical scheme has the beneficial effects that: the corner detector is arranged on the corner base in an adjustable position, so that alignment of the detection element and the ray beam is convenient to realize, and the installation and maintenance are more convenient.
As a preferred technical scheme, an adjusting track is arranged on the side edge of the corner base in the horizontal direction, and the plane where the adjusting track is located is parallel to the ray plane where the ray beam is located;
the corresponding end of the corner detector in the horizontal direction is connected to the corner base through a screw penetrating through the adjusting track, and the screw is used for realizing the movement of the corner detector along the adjusting track and the swinging of the corner detector around the horizontal axis.
As a preferable technical solution, the adjusting rail includes a corner rail for facing the inside corner, and the corner rail is an arc rail.
The technical scheme has the beneficial effects that: the corner track is an arc track, which is more beneficial to the distribution of corner detectors and conveniently realizes the filling of the detection missing area.
As a preferred technical solution, the adjusting track further includes a vertical track corresponding to the vertical detecting arm, and the vertical track is butted at a corresponding end of the arc track.
The technical scheme has the beneficial effects that: the vertical rail is arranged to be more suitable for the arrangement characteristics of the detector modules on the vertical detection arm, and the detection missing area is conveniently filled.
As a preferred technical scheme, the corner base comprises a housing, wherein one side of the housing, which faces away from the vertical detection arm, is provided with a chamfer, and the chamfer is used for enabling the corner base to form a notch at a position away from the corner at the inner side.
The technical scheme has the beneficial effects that: setting up the unfilled corner can avoid occupying more space in the inboard corner.
The above-described preferred embodiments may be adopted alone, or two or more embodiments may be arbitrarily combined when they can be combined, and the embodiments formed by the combination are not specifically described here and are included in the description of the present patent.
The technical scheme adopted by the ray detection equipment is as follows.
The ray detection equipment comprises a ray source, a transverse detection arm and a vertical detection arm;
the ray source is used for emitting ray beams towards the transverse detection arm and the vertical detection arm;
the transverse detection arm and the vertical detection arm are respectively provided with a transverse arm detector array and a longitudinal arm detector array, and the transverse arm detector array and the longitudinal arm detector array are used for detecting ray beams in corresponding areas;
the ray detection equipment further comprises a corner detector assembly, wherein the corner detector assembly comprises a corner base and a corner detector;
the corner base is arranged at the inner corner of the detector array; the inner side corner is formed by one end of the transverse arm detector array and one end of the longitudinal arm detector array which are close to each other;
and the corner detector is arranged on the corner base and forms a corner detector array, and the corner detector array is used for filling a detection missing area between the transverse arm detector array and the longitudinal arm detector array so as to obtain complete imaging at the inner corner.
The technical scheme has the beneficial effects that: according to the technical scheme, the corner detector assembly can be arranged in the inner side corner through the corner base and is positioned on one side, close to the ray source, of the inner side corner, the corner detector arranged on the corner base can form the corner detector array, and the detection missing area between the transverse arm detector array and the longitudinal arm detector array is filled, so that the complete imaging of the inner side corner is obtained; meanwhile, the corner detector assembly is positioned at one side of the inner side corner close to the ray source, so that a larger area can be detected under the condition that the sizes of the detector modules are the same, and the number of corner detectors is reduced.
As a preferred technical solution, the corner detector is adjustably disposed on the corner base, and is used for aligning the detecting element on the corner detector with the beam current.
The technical scheme has the beneficial effects that: the corner detector is arranged on the corner base in an adjustable position, so that alignment of the detection element and the ray beam is convenient to realize, and the installation and maintenance are more convenient.
As a preferred technical scheme, an adjusting track is arranged on the side edge of the corner base in the horizontal direction, and the plane where the adjusting track is located is parallel to the ray plane where the ray beam is located;
the corresponding end of the corner detector in the horizontal direction is connected to the corner base through a screw penetrating through the adjusting track, and the screw is used for realizing the movement of the corner detector along the adjusting track and the swinging of the corner detector around the horizontal axis.
The technical scheme has the beneficial effects that: the adjusting track in the form is arranged, the corner detector is fixed through one screw, a detection element on the corner detector can be conveniently aligned to the ray beam, the detection missing area is filled, the position adjustment is flexible, the position adjustment can be realized only through tightening and loosening screws, and the installation and maintenance are convenient.
As a preferable technical solution, the adjusting rail includes a corner rail facing the inner corner, and the corner rail is an arc rail.
The technical scheme has the beneficial effects that: the corner track is an arc track, which is more beneficial to the distribution of corner detectors and conveniently realizes the filling of the detection missing area.
As a preferred technical solution, the adjusting track further includes a vertical track corresponding to the vertical detecting arm, and the vertical track is butted at a corresponding end of the arc track.
The technical scheme has the beneficial effects that: the vertical rail is arranged to be more suitable for the arrangement characteristics of the detector modules on the vertical detection arm, and the detection missing area is conveniently filled.
As a preferred technical scheme, the corner base comprises a housing, wherein one side of the housing, which faces away from the vertical detection arm, is provided with a chamfer, and the chamfer is used for enabling the corner base to form a notch at a position away from the corner at the inner side.
The technical scheme has the beneficial effects that: setting up the unfilled corner can avoid occupying more space in the inboard corner.
As a preferred technical solution, the corner base has a lateral side and a vertical side adjacent to the lateral side, the lateral side is attached to the lateral probing arm, and the vertical side is attached to the vertical probing arm.
The technical scheme has the beneficial effects that: by adopting the structure, the occupied space can be reduced to the greatest extent, and the positioning is convenient.
In a preferred embodiment, the lateral detection arm is a buried detector, and the corner base has a closed housing for being partially or completely buried below the ground.
The technical scheme has the beneficial effects that: the buried detector can reduce exposed size and occupied space, and the enclosed shell can protect internal components.
As a preferred technical solution, the whole of the transverse probing arm is located between the two vertical probing arms.
The technical scheme has the beneficial effects that: the scheme is beneficial to reducing the length of the transverse detection arms and the number of the transverse detectors, is convenient for arrangement of the longitudinal detection arms, and has simple structure and compact size.
The above-described preferred embodiments may be adopted alone, or two or more embodiments may be arbitrarily combined when they can be combined, and the embodiments formed by the combination are not specifically described here and are included in the description of the present patent.
Drawings
FIG. 1 is a schematic diagram of a prior art radiation detection apparatus;
the names of the components corresponding to the corresponding reference numerals in the drawings are: 100-vertical detecting arm, 200-horizontal detecting arm and 300-ground foundation.
FIG. 2 is a schematic view of a state of use of one embodiment of the radiation detection apparatus of the present invention;
FIG. 3 is a perspective view of the corner detector assembly of FIG. 2, and also of one embodiment of the corner detector assembly of the present invention;
FIG. 4 is an exploded view of the corner detector assembly of FIG. 3;
FIG. 5 is a schematic diagram of the structure of the detector module of FIG. 3;
FIG. 6 is a perspective view of a second embodiment of a corner detector assembly of the present invention;
the names of the components corresponding to the corresponding reference numerals in the drawings are: 10-a rack, 11-a ray source, 12-a crossbar detector array, 13-a trailing arm detector array, 14-a ray beam, 20-a corner detector assembly, 30-a shell, 31-a main body, 32-a sealing plate, 33-a detector base, 34-a supporting plate, 35-a vertical plate, 36-an arc-shaped rail, 37-a vertical rail, 38-a transverse side, 39-a vertical side, 310-a diagonal plane, 40-a corner detector, 41-a base plate, 42-a detection element, 43-a connector, 44-a fixed column, 45-a threaded hole, 46-a screw, 50-a ground base, 211-a first shell, 212-a second shell, 220-a ray avoidance opening, 230-a detection element and 240-a detector base.
Detailed Description
The invention will be further explained with reference to the drawings.
One embodiment of a radiation detecting apparatus of the present invention is shown in fig. 2 to 5, and is a top-illuminated radiation detecting apparatus, which includes a gantry 10, a radiation source 11, a transverse detecting arm, a vertical detecting arm, and a corner detector assembly 20. As shown in fig. 2, the rack 10 is a portal frame, one horizontal detection arm is disposed at the bottom of the portal frame, and two vertical detection arms are disposed at the left and right sides of the portal frame. The transverse detection arm and the vertical detection arm are respectively provided with a detector module, and the detector modules on the transverse detection arm and the vertical detection arm respectively form a transverse arm detector array 12 and a longitudinal arm detector array 13. The crossbar detector array 12 and the trailing arm detector array 13 may take the form of prior art fixtures, with the ends of the two adjacent to each other forming inside corners. The ray source 11 is arranged in the middle of a top beam of the portal frame and used for emitting ray beams 14 towards the transverse detection arm and the vertical detection arm.
The radiation detection apparatus further comprises a corner detector assembly 20, the corner detector assembly 20 being adapted to be arranged into an inner corner of the detector array, at a side of the inner corner adjacent to the radiation source 11. The corner detector assembly 20 includes a corner base and a corner detector 40.
The corner base is constructed as shown in fig. 3 and 4, and includes a housing 30 and a probe base 33. The housing 30 includes a main body 31 and a closing plate 32, the main body 31 is a circumferential closed structure, and openings are formed at two axial sides for the probe base 33 to be inserted into. The closure plates 32 are adapted to close the openings on either axial side of the body 31 to form a closed housing adapted to be partially embedded in the ground foundation 50. The whole detector base 33 is of an L-shaped structure and comprises an L-shaped supporting plate 34 and two vertical plates 35 connected to two sides of the supporting plate 34 in the width direction, adjusting rails are arranged on the vertical plates 35 and comprise corner rails right opposite to corners of the inner side of the detector array, the corner rails are arc rails 36, the adjusting rails further comprise vertical rails 37 corresponding to the vertical detecting arms, and the vertical rails 37 are in butt joint with corresponding ends of the arc rails 36. The plane of the adjusting track is parallel to the ray plane of the ray beam 14.
The corner detector 40 is provided with three corner detectors, the structure of the corner detector 40 is as shown in fig. 4 and 5, and the corner detector comprises a substrate 41, a detection element 42 and a connector 43 are fixed on the substrate 41, the detection element 42 and the connector 43 are in the prior art, the detection element 42 is used for detecting the ray beam 14, and the connector 43 can realize signal transmission and power transmission. Fixing posts 44 are respectively arranged on two sides of the base plate 41 in the length direction, and threaded holes 45 are formed in the end faces of the fixing posts 44. During assembly, a screw 46 penetrates through the adjusting track on the corresponding side and is connected to the threaded hole 45, the detector module is fixed by means of friction between the screw 46 and the vertical plate 35, meanwhile, when the screw 46 is loosened, the corner detector 40 can move along the adjusting track and swing around a horizontal axis, detection elements on the corner detector 40 are aligned to the ray beam 14, and after the adjustment is in place, the screw 46 is screwed down, so that the detector module can be fixed.
The corner base has a transverse side 38 and a vertical side 39 adjacent to the transverse side 38, and when the radiation detection apparatus is installed, the transverse side 38 is attached to the transverse detection arm, and the vertical side 39 is attached to the vertical detection arm, so that the corner base is positioned, and then the corner detector assembly 20 is fixed to the vertical detection arm by a base fixing screw penetrating through the back of the housing 30. In order to avoid occupying more space in the inner corners of the detector array, a part of the corner detector assembly 20 is exposed from the bottom surface and is not completely buried in the ground, and a chamfered surface 310 is provided on a side of the housing 30 of the corner detector assembly 20 facing away from the vertical detection arm, and the chamfered surface 310 is used for forming a notch at a position of the corner base away from the inner corners of the detector array.
When the ray detection device is used, the corner detector assembly 20 can fill a detection missing region between the transverse arm detector array 12 and the longitudinal arm detector array 13, so that complete imaging of the inner corners of the detector arrays is obtained. Thus, there is no need to form a long overlap between the vertical and the transverse feeler arms. Moreover, since the corner detector assembly 20 is located at the inner corner of the detector array on the side close to the radiation source 11, a larger area can be detected under the condition that the size of the detector modules is the same, which is beneficial to reducing the number of corner detectors 40.
In the above embodiment, the radiation detecting apparatus is a top-illuminated radiation detecting apparatus, the corner detector assembly 20 is disposed at a corner formed by the horizontal detecting arm at the bottom and the vertical detecting arms at two sides, and the corner detector assembly 20 is partially embedded in the ground foundation 50. In other embodiments, the corner detector assembly 20 may also be disposed at the corners of the top portion for other forms of radiation detection apparatus, such as a side-lit radiation detection apparatus. Additionally, in other embodiments, the corner detector assembly 20 may also be completely buried in the ground foundation 50.
In the above embodiment, the corner detector 40 is adjustably disposed on the corner base, so that the position can be flexibly adjusted, and in other embodiments, the corner detector 40 may be fixed on the corner base in the case that the detection missing region at the inner corner of the detector array is a fixed region. The alignment of the corner detector 40 with the quasi-beam 14 can be achieved by adjusting the position of the entire corner detector assembly 20. In addition, in the above embodiment, the corner detector 40 is fixed and adjusted by one screw 46, and in other embodiments, the adjustment of the corner detector 40 can be realized by other forms, such as providing an adjustable support on the housing 30, fixing the corner detector 40 to the adjustable support, and adjusting the position and angle of the corner detector 40 by the adjustable support.
In the above embodiment, the adjusting track includes the arc track 36 and the vertical track 37, and in other embodiments, the adjusting track may be in other forms, such as an L-shaped track formed by a horizontal track and a vertical track, such as a straight track formed by an inclined track, and such as a transverse track provided at the lower end of the arc track 36. In other embodiments, the number of corner detectors may also be increased or decreased as needed, and the detection missing region between the horizontal arm detector array and the vertical arm detector array may be filled up, so as to obtain complete imaging at the inner corner of the detector array.
In the above embodiment, the corner base includes the housing 30 and the probe base 33, the housing 30 includes the main body 31 and the closing plate 32, and the probe base 33 is an L-shaped structure as a whole. In other embodiments, the corner base can be replaced by other forms, such as two vertical plates 35 corresponding to two sides of the corner detector 40, and the vertical plates 35 are fixed on the transverse detection arm or the vertical detection arm. In addition, a protective shell can be arranged outside the vertical plate 35 according to requirements.
The embodiment of the corner detector assembly of the present invention is the same as the corner detector assembly 20 in any embodiment of the above-mentioned radiation detection apparatus, and the detailed structure thereof is not described herein again.
As shown in fig. 6, another embodiment of the corner detector assembly of the present invention is different from the corner detector assembly in the first embodiment of the radiation detection apparatus in that the corner detector assembly in the present embodiment is used to be disposed above a ground foundation, and for convenience of assembly and adjustment, the housing is a split structure and includes a first housing 211 and a second housing 212, the first housing 211 and the second housing 212 are arranged at an interval to form a radiation avoiding opening 220, and a position of the radiation avoiding opening 220 corresponds to a detection element 230 on the corner detector. The first housing 211 and the second housing 212 are fixed to both sides of the probe base 240 by screws, respectively.
Finally, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments without departing from the inventive concept, or some of the technical features may be replaced with equivalents. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (15)
1. A corner detector assembly characterized by: the corner detector assembly comprises a corner base and a corner detector;
a corner base for mounting to an inside corner of the detector array; the inner side corner is formed by one end of the transverse arm detector array and one end of the longitudinal arm detector array which are close to each other;
and the corner detector is arranged on the corner base and forms a corner detector array, and the corner detector array is used for filling a detection missing area between the transverse arm detector array and the longitudinal arm detector array so as to obtain complete imaging at the inner corner.
2. The corner detector assembly of claim 1 wherein: the corner detector is arranged on the corner base in a position-adjustable manner and used for enabling the detection element on the corner detector to be aligned to the ray beam.
3. The corner detector assembly of claim 2 wherein: an adjusting track is arranged on the side edge of the corner base in the horizontal direction, and the plane where the adjusting track is located is parallel to the ray plane where the ray beam is located;
the corresponding end of the corner detector in the horizontal direction is connected to the corner base through a screw penetrating through the adjusting track, and the screw is used for realizing the movement of the corner detector along the adjusting track and the swinging of the corner detector around the horizontal axis.
4. The corner detector assembly of claim 2 or 3, wherein: the adjusting track comprises a corner track which is used for being opposite to the inner side corner, and the corner track is an arc track.
5. The corner detector assembly of claim 4 wherein: the adjusting track further comprises a vertical track corresponding to the vertical detecting arm, and the vertical track is in butt joint with the corresponding end of the arc-shaped track.
6. The corner detector assembly of claim 1, 2 or 3 wherein: the corner base includes the casing, one side of vertical detection arm is equipped with the scarf in the casing dorsad, and the scarf is used for making the corner base keep away from the position at inboard corner forms the unfilled corner.
7. The ray detection equipment comprises a ray source, a transverse detection arm and a vertical detection arm;
the ray source is used for emitting ray beams towards the transverse detection arm and the vertical detection arm;
the transverse detection arm and the vertical detection arm are respectively provided with a transverse arm detector array and a longitudinal arm detector array, and the transverse arm detector array and the longitudinal arm detector array are used for detecting ray beams in corresponding areas;
the method is characterized in that:
the ray detection equipment further comprises a corner detector assembly, wherein the corner detector assembly comprises a corner base and a corner detector;
the corner base is arranged at the inner corner of the detector array; the inner side corner is formed by one end of the transverse arm detector array and one end of the longitudinal arm detector array which are close to each other;
and the corner detector is arranged on the corner base and forms a corner detector array, and the corner detector array is used for filling a detection missing area between the transverse arm detector array and the longitudinal arm detector array so as to obtain complete imaging at the inner corner.
8. The radiation detection apparatus as recited in claim 7, wherein: the corner detector is arranged on the corner base in a position-adjustable manner and used for enabling the detection element on the corner detector to be aligned to the ray beam.
9. The radiation detection apparatus of claim 8, wherein: an adjusting track is arranged on the side edge of the corner base in the horizontal direction, and the plane where the adjusting track is located is parallel to the ray plane where the ray beam is located;
the corresponding end of the corner detector in the horizontal direction is connected to the corner base through a screw penetrating through the adjusting track, and the screw is used for realizing the movement of the corner detector along the adjusting track and the swinging of the corner detector around the horizontal axis.
10. Radiation detection apparatus according to claim 8 or 9, characterized in that: the adjusting track comprises a corner track opposite to the inner side corner, and the corner track is an arc track.
11. The radiation detection apparatus as recited in claim 10, wherein: the adjusting track further comprises a vertical track corresponding to the vertical detecting arm, and the vertical track is in butt joint with the corresponding end of the arc-shaped track.
12. Radiation detection apparatus according to claim 7 or 8 or 9, characterized in that: the corner base includes the casing, one side of vertical detection arm is equipped with the scarf in the casing dorsad, and the scarf is used for making the corner base keep away from the position at inboard corner forms the unfilled corner.
13. Radiation detection apparatus according to claim 7 or 8 or 9, characterized in that: the corner base is provided with a transverse side face and a vertical side face adjacent to the transverse side face, the transverse side face is attached to the transverse detection arm, and the vertical side face is attached to the vertical detection arm.
14. Radiation detection apparatus according to claim 7 or 8 or 9, characterized in that: the transverse detection arm is a buried detector, the corner base is provided with a closed shell, and the closed shell is used for being partially or completely buried under the ground.
15. Radiation detection apparatus according to claim 7 or 8 or 9, characterized in that: the whole transverse detection arm is positioned between the two vertical detection arms.
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| CN202010812185.1A CN112083510A (en) | 2020-08-13 | 2020-08-13 | Ray detection equipment and corner detector assembly thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023274216A1 (en) * | 2021-07-02 | 2023-01-05 | 同方威视技术股份有限公司 | Inspection device and article transfer inspection system |
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| CN208736819U (en) * | 2018-03-27 | 2019-04-12 | 许昌瑞示电子科技有限公司 | Ray detection system, ray detector and its mounting rack, detector installing arm |
| CN110320219A (en) * | 2018-03-27 | 2019-10-11 | 许昌瑞示电子科技有限公司 | Ray detection system, detection device, mounting rack and detector installing arm |
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