CN220188732U - Free lifting type source frame for gamma spectrometer source measurement - Google Patents
Free lifting type source frame for gamma spectrometer source measurement Download PDFInfo
- Publication number
- CN220188732U CN220188732U CN202320254018.9U CN202320254018U CN220188732U CN 220188732 U CN220188732 U CN 220188732U CN 202320254018 U CN202320254018 U CN 202320254018U CN 220188732 U CN220188732 U CN 220188732U
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- sliding
- top plate
- plate
- source
- gamma spectrometer
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- 238000005259 measurement Methods 0.000 title claims abstract description 28
- 239000000523 sample Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000012795 verification Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
A free lifting type source frame for gamma spectrometer source measurement comprises a top plate, a support rod, a sliding unit and a bottom table; a top plate center hole and a center groove are formed in the middle of the top plate; the top plate is connected with the sliding plate through a supporting rod; the sliding unit comprises a sliding plate and a fixing unit, wherein the fixing unit is positioned on the sliding plate, the fixing unit is provided with 3 groups, and comprises a clamping groove, a sliding groove and a clamping screw, and the sliding plate is fixed through the clamping groove, the sliding groove and the clamping screw; the sliding plate slides relatively along the up-down direction of the supporting rod through the inner side of the sliding unit sliding groove.
Description
Technical Field
The patent relates to the technical field of source measurement and verification of gamma spectrometers, in particular to a free lifting source frame for gamma spectrometer source measurement.
Background
Currently, a gamma spectrometer is a main device for measuring gamma nuclide activity in environmental radiation monitoring, and in order to ensure the measurement accuracy, the distance between a standard source and a probe and the position of the source must be consistent with a sample to be measured during measurement. On the other hand, in order to avoid the low resolution caused by too strong source, the distance between the source and the probe needs to be adjusted correspondingly, so that the dead time and the counting loss caused by the accumulation effect are reduced.
The source frame adopts a free lifting type design, and compared with a fixed type and sectional type lifting type design, the distance between the source and the probe can be flexibly selected to adapt to different measurement requirements and verification. In addition, the source placing table is added with the horizontal and vertical coordinates, so that the position deviation of the source and the sample to be detected can be reduced. The design has the advantages of simple operation, strong applicability and small measurement error.
Disclosure of Invention
The utility model aims at: the free lifting type source frame for gamma spectrometer source measurement flexibly controls the distance between a standard source and a probe in the standard source measurement process, so that the dead time and the counting loss caused by the accumulation effect are avoided so as to meet the measurement and verification requirements in most cases.
The technical scheme of the utility model is as follows: a free lifting type source frame for gamma spectrometer source measurement comprises a top plate, a support rod, a sliding unit and a bottom table;
a top plate center hole and a center groove are formed in the middle of the top plate;
the top plate is connected with the sliding plate through a supporting rod;
the sliding unit comprises a sliding plate and a fixing unit, wherein the fixing unit is positioned on the sliding plate, the fixing unit is provided with 3 groups, and comprises a clamping groove, a sliding groove and a clamping screw, and the sliding plate is fixed through the clamping groove, the sliding groove and the clamping screw; the sliding plate slides relatively along the up-down direction of the supporting rod through the inner side of the sliding unit sliding groove;
the bottom plate and the supporting rod are fixedly connected, and the bottom plate comprises a circular column and a circular column 42.
The total of three supporting rods are fixedly connected with the top plate.
The fixed units are 3 groups in total.
The supporting rod is marked with millimeter scales from top to bottom, each 10mm is marked with a numerical value, and the length of the scales is 25mm.
The top plate is provided with a top plate scale.
The top plate scales are arranged in mutually perpendicular directions of the top plate, and each 10mm of the top plate scales is marked with a numerical value.
The circular column is fixedly connected with the concentric shaft of the circular column.
The utility model has the remarkable effects that:
(1) The source measurement support for the gamma spectrometer is provided with a sliding plate and a fixing unit, the sliding plate is fixed at any position of the supporting rod under the action of the fixing unit, the limitation of height setting of a fixed or sectional lifting type source frame is solved, and the flexibility of selecting the distance between a probe and a standard source is increased through free lifting type design;
(2) The source measuring support for the gamma spectrometer is provided with scales, the scales of the supporting rods can be used for adjusting the distance between the probe and the standard source, and the top plate scales are used for adjusting the deviation degree of the standard source from the central shaft, so that the measuring error caused by the source position and the height deviation is avoided;
(3) The material is made of acrylic organic glass, has the characteristics of light transmittance reaching more than 92%, light weight, insulation, easiness in cleaning and the like, has extremely strong practicability, and has small influence on the measuring process.
The device realizes the clamping effect on the outer side of the support rod by inwards tightening three clamping screws of the fixing unit in the source measurement and analysis process, and the sliding plate can freely slide up and down along the support rod by outwards unscrewing. The distance between the selected source and the probe can be determined by the scales on the support rod, the standard source can be prevented from being placed at the position deviating from the center by the scales on the top plate, the limitation of the distance between the source and the probe can be effectively solved, and the method can be suitable for most measurement requirements and verify the measurement influence of source measurement at different distances. The accuracy of the gamma spectrometer measuring process is improved, and the efficiency of analysts is improved
Drawings
FIG. 1 is a schematic view of a top plate structure of the present utility model;
FIG. 2 is a schematic view of a support bar according to the present utility model;
FIG. 3 is a schematic view of a sliding unit according to the present utility model;
fig. 4 is a schematic view of the structure of the base plate of the present utility model.
Fig. 5 is a schematic view of a 3D structure of the present utility model.
In the figure: the device comprises a top plate 1, a top plate 11 center hole, a center groove 12, a top plate scale 13, a support rod 2, a support rod 21 scale, a sliding unit 3, a sliding plate 31, a sliding plate 32 center hole, a fixing unit 33, a clamping groove 34, a sliding groove 35, a bottom plate 4, a bottom plate 41 upper ring column and a bottom plate 42 lower ring column.
Detailed Description
For a better understanding of the technical content of the present utility model, specific examples are provided below and the present utility model is further described with reference to the accompanying drawings.
A free lifting type source frame for gamma spectrometer source measurement comprises a top plate 1, a support rod 2, a sliding unit 3 and a bottom table 4.
The middle of the top plate 1 is provided with a top plate central hole 11 and a central groove 12, the top plate central hole 11 and the central groove 12 are on the same circle center, top plate scales 13 are marked on 4 mutually perpendicular directions, and each 10mm of the top plate scales 13 is marked with a numerical value.
The roof 1 passes through bracing piece 2 and connects sliding plate 31, and bracing piece 2 from last millimeter scale 21 of marking down, and every 10mm marks the numerical value, and scale length 25mm, bracing piece 2 totally three adopts fixedly to follow with roof 1.
The slide unit 3 includes a slide plate 31 and a fixing unit 33. The sliding plate 31 is a circular plate with the diameter of 142mm and the thickness of 3mm, and a circular hollow hole 32 with the diameter of 30mm is arranged in the middle; the fixing units 33 are positioned on the sliding plate 31, 3 groups of the fixing units 33 are provided, the fixing units 33 comprise clamping grooves 34, sliding grooves 35 and clamping screws 36, and the sliding plate 31 is fixed by tightening the clamping screws 36; the sliding plate 31 slides relatively in the up-down direction of the support rod 2 through the inside of the sliding unit chute 35, and the distance between the sliding plate 31 and the top plate 1 is confirmed by the support rod scale 21.
The bottom plate 4 is fixedly and tightly connected with the support rod 2, and comprises an upper bottom plate circular column 41 and a lower bottom plate circular column 42, wherein the upper bottom plate circular column 41 and the lower bottom plate circular column 42 are fixedly and tightly connected through concentric shafts.
The utility model provides a source measurement and verification device for a gamma spectrometer, which has the following working principle:
the position of the sliding plate 3 is confirmed by the support rod scales 21 according to the distance between the probe and the standard source required for the test conditions, the clamping screw 36 is screwed inwards, and the sliding plate 3 is fixed at the required distance by the fixing unit 33. The source holder is then placed in the probe through the base plate 4 to the slide plate 3. Finally the source is placed on the top plate 1 or the recess 13, off-centre is avoided by the top plate graduation 14. Thus, the accuracy of source measurement can be ensured.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (7)
1. A free lift formula source frame for gamma spectrometer source measurement, its characterized in that: comprises a top plate (1), a supporting rod (2), a sliding unit (3) and a bottom plate (4);
a top plate center hole (11) and a center groove (12) are arranged in the middle of the top plate (1);
the top plate (1) is connected with the sliding plate (31) through the supporting rod (2);
the sliding unit (3) comprises a sliding plate (31) and a fixing unit (33), the fixing unit (33) is positioned on the sliding plate (31), the fixing unit (33) comprises a clamping groove (34), a sliding groove (35) and a clamping screw (36), and the sliding plate (31) is fixed through the clamping groove (34), the sliding groove (35) and the tightening of the clamping screw (36); the sliding plate (31) slides relatively along the up-down direction of the supporting rod (2) through the inner side of the sliding unit chute (35);
the bottom plate (4) is fixedly connected with the supporting rod (2), and the bottom plate (4) comprises an upper circular column (41) and a lower circular column (42).
2. A free-lifting source holder for gamma spectrometer source measurements as defined in claim 1, wherein: the total number of the support rods (2) is three, and the support rods are fixed with the top plate (1) in a close connection.
3. A free-lifting source holder for gamma spectrometer source measurements as defined in claim 2, wherein: the fixed units (33) are 3 groups in total.
4. A free-lifting source holder for gamma spectrometer source measurements as defined in claim 1, wherein: the supporting rod (2) is marked with millimeter scales (21) from top to bottom, each 10mm is marked with numerical values, and the length of the scales is 25mm.
5. A free-lifting source holder for gamma spectrometer source measurements as defined in claim 1, wherein: the top plate (1) is provided with a top plate scale (13).
6. A free-lifting source holder for gamma spectrometer source measurements as defined in claim 1, wherein: the top plate (1) is provided with top plate scales (13) in mutually perpendicular directions, and the top plate scales (13) are marked with numerical values every 10 mm.
7. A free-lifting source holder for gamma spectrometer source measurements as defined in claim 1, wherein: the upper circular column (41) of the bottom plate and the lower circular column (42) of the bottom plate are concentrically and axially fixed and are closely connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320254018.9U CN220188732U (en) | 2023-02-20 | 2023-02-20 | Free lifting type source frame for gamma spectrometer source measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320254018.9U CN220188732U (en) | 2023-02-20 | 2023-02-20 | Free lifting type source frame for gamma spectrometer source measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220188732U true CN220188732U (en) | 2023-12-15 |
Family
ID=89110791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320254018.9U Active CN220188732U (en) | 2023-02-20 | 2023-02-20 | Free lifting type source frame for gamma spectrometer source measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220188732U (en) |
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2023
- 2023-02-20 CN CN202320254018.9U patent/CN220188732U/en active Active
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