CN211402761U - Three-dimensional angular response calibrator for nuclear radiation detection - Google Patents
Three-dimensional angular response calibrator for nuclear radiation detection Download PDFInfo
- Publication number
- CN211402761U CN211402761U CN201922215508.4U CN201922215508U CN211402761U CN 211402761 U CN211402761 U CN 211402761U CN 201922215508 U CN201922215508 U CN 201922215508U CN 211402761 U CN211402761 U CN 211402761U
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- horizontal guide
- guide rail
- protractor
- detector
- calibration source
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Abstract
The utility model belongs to the technical field of measurement, in particular to a three-dimensional angle response calibrator for nuclear radiation detection, which comprises a detector, a placing platform, a protractor chassis, a protractor pointer, a circular track, two calibration source structures, a horizontal guide rail, a bottom column, a base and two brackets; the utility model can adjust the height of the telescopic rod to adjust the geometric center of the calibration source and the surface of the detector to be on the same horizontal line, and when the horizontal position of the calibration source structure is adjusted only on the horizontal guide rail, the one-dimensional angle response (0 degree) calibration of the detector can be realized; on the basis, the placing platform is rotated to adjust any horizontal angle, so that two-dimensional angular response (0-360 degrees) calibration of the detector can be realized; on the basis, the calibration source structure is adjusted to any position of 0-360 degrees on the circular orbit, so that the three-dimensional angular response (4 pi) calibration of the detector at any angle of the spherical surface is realized.
Description
Technical Field
The utility model belongs to the technical field of measure, concretely relates to three-dimensional angular response calibrator for nuclear radiation detection.
Background
In the field of nuclear radiation detection, a plurality of detectors are often required to be calibrated in the using process of the existing detectors, and the calibration of the existing detectors can only carry out calibration in a single direction on the detectors but cannot carry out calibration in a three-dimensional direction on the detectors.
SUMMERY OF THE UTILITY MODEL
It is a primary object of the present invention to provide a three-dimensional angular response calibrator for nuclear radiation detection.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
a three-dimensional angular response calibrator for nuclear radiation detection comprises a detector, a placing platform, a protractor chassis, a protractor pointer, a circular track, two calibration source structures, a horizontal guide rail, a bottom column, a base and two supports.
The bottom column is fixedly connected with the base and is vertical to the base; the protractor chassis is fixedly arranged on the bottom column, the protractor pointer is rotatably arranged on the bottom column, and the placing platform is arranged on the protractor chassis; the placing platform is fixedly connected with the protractor pointer and is rotationally connected with the bottom column; the detector is arranged on the placing platform. The protractor chassis is provided with 0-360 degree scale marks.
The geometric center of the surface of the detector is aligned with the axis of the bottom column, and the circular track is fixedly connected with the bottom column; a calibration source structure is movably arranged on the circular track.
The horizontal guide rail is rotatably arranged on the bottom column, a horizontal guide rail groove is formed in the horizontal guide rail, one support is fixedly connected with the tail end of the horizontal guide rail, and the other support is fixedly connected with the tail end of the placing platform.
The bracket comprises a telescopic rod and universal wheels; one end of the telescopic rod is connected with the universal wheel.
The calibration source structure comprises a sliding block, a telescopic rod and a calibration source. One calibration source structure is movably arranged on a horizontal guide rail groove on the horizontal guide rail through a sliding block; and the other calibration source structure is movably arranged on the circular track through a sliding block.
The horizontal guide rail is provided with length scales with the precision of 1 mm. The circular track is provided with scale marks of 0-360 degrees.
The horizontal guide rail is parallel to the placing platform, the protractor chassis and the protractor pointer.
The utility model discloses when three-dimensional angle response calibrator for nuclear radiation detection used, start the detector, with set up on the horizontal guide that the calibration source structure moves the distance back that will calibrate on the horizontal guide, the height of the telescopic link that adjustment and calibration source are connected makes the calibration source on the horizontal guide be in on the same water flat line with detector surface geometric center. According to the method, the rotary placing platform rotates around the central axis of the bottom column, and meanwhile, the protractor pointer connected with the placing platform is driven to rotate, the included angle between the geometric center of the surface of the detector and the horizontal guide rail on the horizontal plane is adjusted, so that the detector can be calibrated by the calibration source on the horizontal guide rail at different angles and distances. After a calibration source structure arranged on the circular track is moved to an angle to be calibrated on the circular track, the rotary placing platform rotates around the central axis of the bottom column, and three-dimensional angular response calibration is carried out on the detector.
Meanwhile, the telescopic rod and the universal wheel of the support can extend the support, and the universal wheel is in contact with the ground and can support a horizontal guide rail or a placing platform to rotate stably.
The circle center of the circular track, the geometric center of the surface of the detector and the axis of the bottom column are positioned on the same straight line
Since the technical scheme is used, the utility model discloses following beneficial effect has: the utility model can adjust the height of the telescopic rod to adjust the geometric center of the calibration source and the surface of the detector to be on the same horizontal line, and when the horizontal position of the calibration source structure is adjusted only on the horizontal guide rail, the one-dimensional angle response (0 degree) calibration of the detector can be realized; on the basis, the placing platform is rotated to adjust any horizontal angle, so that two-dimensional angular response (0-360 degrees) calibration of the detector can be realized; on the basis, the calibration source structure is adjusted to any position of 0-360 degrees on the circular orbit, so that the three-dimensional angular response (4 pi) calibration of the detector at any angle of the spherical surface is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a three-dimensional angular response calibrator for nuclear radiation detection according to the present invention.
Fig. 2 is a schematic structural diagram of a three-dimensional angular response calibrator for nuclear radiation detection according to the present invention.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1-2, the utility model provides a three-dimensional angle response calibrator for nuclear radiation detection, including detector 1, place the platform 5, protractor chassis 61, protractor pointer 62, circular track 7, two calibration source structures 8, horizontal guide 10, foundation 11, base 12 and two supports 13.
The bottom pillar 11 is fixedly connected with the base 12, and the bottom pillar 11 is perpendicular to the base 12 in the embodiment; the protractor chassis 61 is fixedly arranged on the bottom column 11, the protractor pointer 62 is rotatably arranged on the bottom column 11, and the placing platform 5 is arranged on the protractor chassis 61; the placing platform 5 is fixedly connected with the protractor pointer 62, and the placing platform 5 is rotatably connected with the bottom pillar 11; the detector 1 is arranged on a placement platform 5. The protractor chassis 61 is provided with scale marks of 0-360 degrees.
The geometric center 2 of the surface of the detector is aligned with the axis of the bottom column 11, and the circular track 7 is fixedly connected with the bottom column 11; the circular track 7 is movably provided with a calibration source structure 8.
The horizontal guide rail 10 is rotatably arranged on the bottom pillar 11, the horizontal guide rail 10 is provided with a horizontal guide rail groove 101, one support 13 is fixedly connected with the tail end of the horizontal guide rail 10, and the other support 13 is fixedly connected with the tail end of the placing platform 5.
In the present embodiment, the support 13 includes a telescopic rod 131 and a universal wheel 132; one end of the telescopic rod 131 is connected with the universal wheel 132.
In the present embodiment, the calibration source structure 8 includes a sliding block 80, a telescopic rod 131, and a calibration source 81. One calibration source structure 8 is movably arranged on a horizontal guide rail groove 101 on the horizontal guide rail 10 through a slide block 80; the other calibration source structure 8 is movably arranged on the circular track 7 through a slide 80.
In this embodiment, the horizontal guide rail 10 is provided with length scales with a precision of 1 mm. The circular track 7 is provided with scale marks of 0-360 degrees.
In the present embodiment, the horizontal guide rail 10 is parallel to the placement platform 5, the protractor chassis 61, and the protractor pointer 62. The circle center of the circular track 7 is in the same straight line with the geometric center 2 of the surface of the detector and the axis of the bottom pillar 11.
The utility model discloses when three-dimensional angle response calibrator for nuclear radiation detection used, start detector 1, with set up calibration source structure 8 on horizontal guide rail 10 and remove the distance that will calibrate on horizontal guide rail 10 after, the length of the telescopic link 131 that the adjustment is connected with calibration source 81 makes calibration source 81 on the horizontal guide rail 10 be in same water flat line with detector surface geometric center 2. According to the method, the rotary placing platform 5 rotates around the central axis of the bottom pillar 11, and meanwhile, the protractor pointer 62 connected with the placing platform 5 is driven to rotate, the included angle between the geometric center 2 of the surface of the detector and the horizontal guide rail 10 on the horizontal plane is adjusted, so that the readings of the calibration source 81 on the horizontal guide rail 10 at different angles and distances can be compared with the data obtained by measuring the calibration source 81 by the detector 1 for calibration. After the calibration source structure 8 arranged on the circular track 7 is moved to the angle to be calibrated on the circular track 7, the angle obtained by measuring the calibration source 81 by the detector 1 is compared and calibrated.
Meanwhile, the telescopic rod 131 and the universal wheel 132 of the bracket 13 can extend the bracket 13, and the universal wheel 132 is in contact with the ground, so that the horizontal guide rail 10 or the placing platform 5 can be supported to rotate stably.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (5)
1. A three-dimensional angular response calibrator for nuclear radiation detection is characterized by comprising a detector, a placing platform, a protractor chassis, a protractor pointer, a circular track, two calibration source structures, a horizontal guide rail, a bottom column, a base and two supports;
the bottom column is fixedly connected with the base and is vertical to the base; the protractor chassis is fixedly arranged on the bottom column, the protractor pointer is rotatably arranged on the bottom column, and the placing platform is arranged on the protractor chassis; the placing platform is fixedly connected with the protractor pointer and is rotationally connected with the bottom column; the detector is arranged on the placing platform; the protractor chassis is provided with 0-360 degree scale marks;
the circular track is fixedly connected with the bottom column; a calibration source structure is movably arranged on the circular track;
the horizontal guide rail is rotatably arranged on the bottom column, a horizontal guide rail groove is formed in the horizontal guide rail, one support is fixedly connected with the tail end of the horizontal guide rail, and the other support is fixedly connected with the tail end of the placing platform;
the calibration source structure comprises a sliding block, a telescopic rod and a calibration source; one calibration source structure is movably arranged on a horizontal guide rail groove on the horizontal guide rail through a sliding block; the other calibration source structure is movably arranged on the circular track through a sliding block;
the horizontal guide rail is provided with length scales, and the precision of the scales is 1 mm; the circular track is provided with scale marks of 0-360 degrees.
2. The three-dimensional angular response calibrator for nuclear radiation detection according to claim 1, wherein the horizontal guide rails are parallel to each other with respect to the placement platform, the protractor chassis, and the protractor pointers.
3. The three-dimensional angular response calibrator for nuclear radiation detection according to claim 2, wherein the support comprises a telescopic rod and a universal wheel; one end of the telescopic rod is connected with the universal wheel.
4. A three-dimensional angular response calibrator for nuclear radiation detection according to claim 3, wherein the geometric center of the detector surface is aligned with the axis of the bottom pillar.
5. The three-dimensional angular response calibrator for nuclear radiation detection according to claim 4, wherein the center of the circular orbit is collinear with the geometric center of the detector surface and the axis of the bottom pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922215508.4U CN211402761U (en) | 2019-12-11 | 2019-12-11 | Three-dimensional angular response calibrator for nuclear radiation detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922215508.4U CN211402761U (en) | 2019-12-11 | 2019-12-11 | Three-dimensional angular response calibrator for nuclear radiation detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211402761U true CN211402761U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922215508.4U Expired - Fee Related CN211402761U (en) | 2019-12-11 | 2019-12-11 | Three-dimensional angular response calibrator for nuclear radiation detection |
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| Country | Link |
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| CN (1) | CN211402761U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112799121A (en) * | 2020-12-07 | 2021-05-14 | 四川轻化工大学 | Movable rail type experiment platform for gamma radiation detector |
-
2019
- 2019-12-11 CN CN201922215508.4U patent/CN211402761U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112799121A (en) * | 2020-12-07 | 2021-05-14 | 四川轻化工大学 | Movable rail type experiment platform for gamma radiation detector |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200901 Termination date: 20211211 |