CN210155342U - Calibrating device of radioactive surface pollution instrument - Google Patents
Calibrating device of radioactive surface pollution instrument Download PDFInfo
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- CN210155342U CN210155342U CN201920409890.XU CN201920409890U CN210155342U CN 210155342 U CN210155342 U CN 210155342U CN 201920409890 U CN201920409890 U CN 201920409890U CN 210155342 U CN210155342 U CN 210155342U
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Abstract
The utility model belongs to the technical field of nuclear power ionizing radiation metrological verification, concretely relates to calibrating installation of radioactive surface pollution appearance, include: the device comprises a detector moving disc bracket, a detector moving disc, a scale, a rotary bearing, a support base, a source moving disc bracket and an adjusting nut; the detector moving disc bracket is connected with the support base, the detector moving disc is placed on the detector moving disc bracket, the source moving disc is inserted into the source moving disc bracket, and the source moving disc bracket is arranged below the detector moving disc bracket; the source moving disc bracket and the scale are fixed on the support base, the scale is connected with the rotating bearing, and the adjusting nut is further arranged on the scale. The detector moving disc bracket, the scale, the rotary bearing, the support base, the adjusting nut and the source moving disc bracket are made of stainless steel.
Description
Technical Field
The utility model belongs to the technical field of nuclear power ionizing radiation metrological verification, concretely relates to calibrating installation of radioactive surface pollution appearance.
Background
The calibration of α and β radioactive surface contamination monitors born by an ionizing radiation metering laboratory of a certain nuclear power station needs to be completed by means of a calibration device, the calibration device in the prior art is single in form, the size of a window for placing a calibration source and an instrument probe is fixed, the height of the window is not adjustable, and the calibration device is only suitable for calibrating one instrument probe and cannot meet the calibration requirements of instruments of various types.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose provides a calibrating installation of radioactive surface contamination appearance to the not enough of above-mentioned prior art for solve current calibrating installation form single, place and examine fixed, the highly unadjustable of source and instrument probe window size, only be applicable to the technical problem of single instrument probe examination.
The technical scheme of the utility model is that:
an assay device for a radioactive surface contamination meter, comprising: the device comprises a detector moving disc bracket, a detector moving disc, a scale, a rotary bearing, a support base, a source moving disc bracket and an adjusting nut; the detector moving disc bracket is connected with the support base, the detector moving disc is placed on the detector moving disc bracket, the source moving disc is inserted into the source moving disc bracket, and the source moving disc bracket is arranged below the detector moving disc bracket; the source moving disc bracket and the scale are fixed on the support base, the scale is connected with the rotating bearing, and the adjusting nut is further arranged on the scale.
The detector moving disc bracket, the scale, the rotary bearing, the support base, the adjusting nut and the source moving disc bracket are made of stainless steel.
As mentioned above the detector moving plate and the source moving plate are made of organic glass material for reducing the scattering effect of the moving plate.
The utility model discloses following beneficial effect has:
the utility model discloses a calibrating installation of radioactive surface contamination appearance is applicable to the calibration and the examination of α, β surface contamination monitor detector of various models, has improved calibrating installation's availability factor, has simplified the operation procedure of instrument examination, has shortened the examination time of instrument, has improved the effective live time of instrument, has practiced thrift enterprise manufacturing cost;
2 the utility model relates to a manual fine setting's mode is taken to distance between detector and the standard source surface among radioactive surface contamination appearance's the calibrating installation, can improve the accuracy greatly through the audio-visual demonstration scale mark of scale.
Drawings
Fig. 1 is a schematic structural diagram of a calibrating apparatus for a radioactive surface contamination meter designed by the present invention;
FIG. 2 is a top view of a radioactive surface contamination meter calibrating apparatus according to the present invention;
FIG. 3 is a front view of a radioactive surface contamination meter calibrating apparatus according to the present invention;
wherein, 1-the detector moves the disc bracket; 2-a scale; 3-a rotating bearing; 4-a support base; 5-source moving plate; 6-adjusting the nut; 7-detector moving plate; 8-Source moving disk carrier.
Detailed Description
The technology of the present invention is further described below:
as shown in fig. 1 to 2, a radioactive surface contamination meter calibrating apparatus includes: the detector moving disc comprises a detector moving disc bracket 1, a detector moving disc 7, a scale 2, a rotary bearing 3, a support base 4, a source moving disc 5, a source moving disc bracket 8 and an adjusting nut 6; the detector moving disc bracket 1 is connected with the support base 4, the detector moving disc 7 is placed on the detector moving disc bracket 1, the source moving disc 5 is inserted into the source moving disc bracket 8, and the source moving disc bracket 8 is arranged below the detector moving disc bracket 1; the source moving disc bracket 8 and the scale 2 are both fixed on the support base 4, the scale 2 is connected with the rotating bearing 3, and the scale 2 is further provided with an adjusting nut 6.
As described above, the detector moving plate bracket 1, the scale 2, the rotary bearing 3, the holder base 4, the adjusting nut 6, and the source moving plate bracket 8 are made of stainless steel.
As described above, the detector moving plate 7 and the source moving plate 5 are made of organic glass material for reducing the scattering effect of the moving plates.
A method of calibrating any one of the radioactive surface contamination meter calibrating devices as described above, comprising the steps of:
the method comprises the following steps: selecting a corresponding standard source, and setting the position of a source moving disk 5;
according to the measuring range of the detector, selecting a corresponding standard source to be horizontally placed in the source moving disk 5, and inserting the source moving disk 5 into the source moving disk bracket 8;
step two: selecting a verification detector and adjusting the position of a detector moving disc 7;
selecting a proper detector moving disc 7 according to the shape of the detector, and placing the detector moving disc 7 on the detector moving disc bracket 1;
step three: placing a detector; vertically placing the detector on a detector moving disk 7;
step four: adjusting the distance between the standard source and the detector window protection grid;
the distance between the standard source and the detector window protective grid can meet the requirement by adjusting the adjusting nut 6;
step five: carrying out verification; after the measurement is completed, the standard source is taken out from the source moving plate bracket 8, and is loaded back into the corresponding source container, and the verification is completed.
The present invention has been described in detail with reference to the embodiments, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art. The present invention can adopt the prior art for the content which is not described in detail in the present invention.
Claims (3)
1. An assay device for a radioactive surface contamination meter, comprising: the device comprises a detector moving disc bracket (1), a detector moving disc (7), a scale (2), a rotary bearing (3), a support base (4), a source moving disc (5), a source moving disc bracket (8) and an adjusting nut (6); the detector moving disc bracket (1) is connected with the support base (4), the detector moving disc (7) is placed on the detector moving disc bracket (1), the source moving disc (5) is inserted into the source moving disc bracket (8), and the source moving disc bracket (8) is arranged below the detector moving disc bracket (1); the source moving disc bracket (8) and the scale (2) are fixed on the support base (4), the scale (2) is connected with the rotating bearing (3), and the scale (2) is further provided with an adjusting nut (6).
2. The assay device for a radioactive surface contamination meter according to claim 1, wherein: the detector moving disc bracket (1), the scale (2), the rotary bearing (3), the support base (4), the adjusting nut (6) and the source moving disc bracket (8) are made of stainless steel.
3. The assay device for a radioactive surface contamination meter according to claim 1, wherein: the detector moving plate (7) and the source moving plate (5) are made of organic glass materials and used for reducing the scattering influence of the moving plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920409890.XU CN210155342U (en) | 2019-03-28 | 2019-03-28 | Calibrating device of radioactive surface pollution instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920409890.XU CN210155342U (en) | 2019-03-28 | 2019-03-28 | Calibrating device of radioactive surface pollution instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210155342U true CN210155342U (en) | 2020-03-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920409890.XU Active CN210155342U (en) | 2019-03-28 | 2019-03-28 | Calibrating device of radioactive surface pollution instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210155342U (en) |
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2019
- 2019-03-28 CN CN201920409890.XU patent/CN210155342U/en active Active
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