CN104316951A - Portable large-area alpha and beta surface contamination detecting source box - Google Patents
Portable large-area alpha and beta surface contamination detecting source box Download PDFInfo
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- CN104316951A CN104316951A CN201410612008.3A CN201410612008A CN104316951A CN 104316951 A CN104316951 A CN 104316951A CN 201410612008 A CN201410612008 A CN 201410612008A CN 104316951 A CN104316951 A CN 104316951A
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Abstract
The invention provides a portable large-area alpha and beta surface contamination detecting source box used for ionization radiation measurement and detection and calibration of an alpha and beta surface contamination instrument. The portable large-area alpha and beta surface contamination detecting source box comprises a replaceable probe supporting panel, a bottom end embedding and clamping window, a rear end organic glass panel, an arc embedding and taking end sheet and a detecting source box body. A square supporting frame is arranged corresponding to a detection probe of the instrument to be detected, the geometric center of the probe is fixed, and the detected probe is prevented from being displaced. In the process of detecting the calibrating the alpha and beta surface contamination instrument, different specifications of portable large-area alpha and beta surface contamination detecting source boxes are selected according to the requirements for the distances between different probe protective grid nets and standard radiation source surfaces. The portable large-area alpha and beta surface contamination detecting source box can safely and rapidly avoid directly making contact with a detection source, is easy to operate, and effectively protects the detection source against radioactive contamination caused by wrong operations. The portable large-area alpha and beta surface contamination detecting source box is light, portable and capable of improving the work efficiency and detecting and calibrating the large-area alpha and beta surface contamination instruments.
Description
Technical field
The invention belongs to ionising radiation metering field, be specifically related to a kind of portable large area α, β surface contamination calibrating source capsule, for calibrating, calibration α, β surface contamination instrument and placement large area α, β standard radioactive source.
Background technology
At present, need to use a large amount of α, β surface contamination instrument in actinometry or radiation protection process.Because measurement verification regulations JJG478-96 specifies, α, β surface contamination instrument is examined and determine, strict distribution experiment operation platform need be had when calibrating.Time in the past to the calibrating of α, β surface contamination instrument, calibration, first large area α, β standard radioactive source are taken out from source capsule, insert on calibrating frame again and carry out examining and determine, calibrating, repeatable operation easily causes damage to the active region of standard radioactive source, causes unnecessary radioactive contamination.Its work efficiency is not high simultaneously, and the operation of calibrating frame is relatively loaded down with trivial details.
Summary of the invention
Causing unnecessary pollution, the deficiency that work efficiency is lower to overcome repeatable operation in prior art, the invention provides a kind of portable large area α, β surface contamination calibrating source capsule.
The technical solution used in the present invention is: portable large area α of the present invention, β surface contamination calibrating source capsule, be characterized in, described calibrating source capsule comprises that displaced type probe props up panel, inlay card window, perspex panels, arc are embedding gets dististyle plate, calibrating source capsule lid.Wherein, described displaced type probe props up panel and contains and squarely prop up frame, circular arc-shaped corner, dip plane, control panel, square exploration hole, the embedding front end of getting dististyle plate of described arc is rectangle, rear end is arc, and described inlay card window contains that arc is embedding gets dististyle board point, the embedding end of bar shaped standard source.Its annexation is, described displaced type probe props up face plate center and is provided with and squarely props up frame, control panel is positioned at and squarely props up frame, squarely prop up frame, four of control panel end angles are circular arc-shaped corner, dip plane is had square propping up between frame and control panel, control panel center is provided with square exploration hole, and displaced type probe props up panel front end and is provided with built-in type semi arch.The front end of described inlay card window is provided with arc groove, and the embedding dististyle board point of getting of arc is arranged on two ends place, arc groove left and right, and the embedding dististyle plate of getting of arc embeds in the arc groove of inlay card window, is also provided with the embedding end of bar shaped standard source in the front end of inlay card window.The rear end of described inlay card window is fixedly connected with perspex panels by fixing spiral shell button, and displaced type probe is propped up panel and is fixedly connected with the inlay card window below it by fixing spiral shell button.Calibrating source capsule lid is arranged at displaced type probe and props up on panel.
Described displaced type probe props up panel, squarely props up frame, built-in type semi arch is all arranged on same axial line, and described arc is embedding gets that the arc of dististyle plate rear end is corresponding with the arc groove in inlay card window to be arranged.
Described squarely prop up frame, dip plane, control panel, square exploration hole and treat that the detection of test examination instrument is popped one's head in corresponding setting, static probe geometric center position, prevents tested probe displacement.
Described built-in type semi arch, arc be embedding gets dististyle board point, the embedding end of bar shaped standard source so that the inserting and taking out of standard radioactive source; fix surface, control verification source apart from the distance between detection probe protection aperture plate, calibrating source capsule plays protecting standard radioactive source exposed part and dust-proof effect simultaneously.
According to ionising radiation metering vertification regulation JJG478-96 regulation; in the process of calibrating, calibration large area α, β surface contamination instrument; the protection aperture plate of different probe has different requirement from the spacing on standard radioactive source surface, and the portable large area α of different size, β surface contamination need be selected to examine and determine source capsule.Wherein, when placing α standard flat source, its surface, source is 5mm with the distance of detection window, for examining and determine, calibrating the alpha probe of α, β surface contamination instrument.When placing β standard flat source, its surface, source is 10mm with the distance of detection window, for examining and determine, calibrating the beta probe of α, β surface contamination instrument.The present invention can safe and efficiently avoid directly touching calibrating source, and radioactive contamination is caused due to maloperation in available protecting calibrating source simple to operate.The present invention makes and is lightly easy to carry, and can improve the work efficiency of calibrating, calibration large area α, β surface contamination instrument.
The invention has the beneficial effects as follows, avoid repeatedly standard radioactive source being taken out from source capsule, inserting the operation of examining and determine on frame, thus cause calibrating source activity district damaged, cause radioactive contamination; Avoid, because of adjustment criteria radioactive source surface and the operation protecting aperture plate spacing of popping one's head in, causing damage to calibrating source; Ensure the accurate reliability of ionising radiation metering calibrating, calibrator quantity value transmit.Structure of the present invention is simple, swift to operate, effectively improves the work efficiency of calibrating, calibration α, β surface contamination instrument, and weight is lightly convenient to go out to examine and determine, calibrate and carry.
Accompanying drawing explanation
Fig. 1 is the structure dissection exploded view of portable large area α of the present invention, β surface contamination calibrating source capsule;
Fig. 2 a is vertical view of the present invention;
To be that the arc in the present invention is embedding get dististyle plate structure schematic diagram to Fig. 2 b;
In figure, 1. displaced type probe props up the embedding dististyle plate 5. of getting of panel 2. inlay card window 3. perspex panels 4. arc and fixes that spiral shell button 6. is square props up that frame 7. circular arc-shaped corner 8. dip plane 9. control panel 10. square exploration hole 11. built-in type semi arch 12. arc is embedding gets the embedding end of dististyle board point 13. bar shaped standard source.
Embodiment
Describe the present invention below in conjunction with drawings and Examples
Embodiment 1
Fig. 1 is the structure dissection exploded view of portable large area α of the present invention, β surface contamination calibrating source capsule, and Fig. 2 a is vertical view of the present invention, eliminates calibrating source capsule lid in Fig. 2 a, and to be that the arc in the present invention is embedding get dististyle plate structure schematic diagram to Fig. 2 b.
In Fig. 1-Fig. 2, portable large area α of the present invention, β surface contamination calibrating source capsule, comprise that displaced type probe props up panel 1, inlay card window 2, perspex panels 3, arc are embedding gets dististyle plate 4, calibrating source capsule lid, wherein, described displaced type probe props up panel 1 and props up frame 6, circular arc-shaped corner 7, dip plane 8, control panel 9, square exploration hole 10 containing square, the embedding front end of getting dististyle plate 4 of described arc is rectangle, rear end is arc, and described inlay card window 2 gets dististyle board point 12, the embedding end 13 of bar shaped standard source containing arc is embedding.Its annexation is, described displaced type probe props up panel 1 center and is provided with and squarely props up frame 6, control panel 9 is positioned at and squarely props up frame 6, squarely prop up frame 6, four of control panel 9 end angles are circular arc-shaped corner, dip plane 8 is had square propping up between frame 6 and control panel 9, control panel 9 center is provided with square exploration hole 10, and displaced type probe props up panel 1 front end and is provided with built-in type semi arch 11.The front end of described inlay card window 2 is provided with arc groove, the embedding dististyle board point 12 of getting of arc is arranged on two ends place, arc groove left and right, the embedding dististyle plate 4 of getting of arc embeds in the arc groove of inlay card window 2, the embedding end 13 of bar shaped standard source is also provided with in the front end of inlay card window 2, the rear end of described inlay card window 2 is fixedly connected with perspex panels 3 by fixing spiral shell button, and displaced type probe is propped up panel 1 and is fixedly connected with the inlay card window 2 below it by fixing spiral shell button 5.Calibrating source capsule lid is arranged at displaced type probe and props up on panel 1.
Described displaced type probe props up panel 1, squarely props up frame 6, built-in type semi arch 11 is all arranged on same axial line, and described arc is embedding gets that the arc of dististyle plate 4 rear end is corresponding with the arc groove in inlay card window 2 to be arranged.
Described squarely prop up frame 6, dip plane 8, control panel 9, square exploration hole 10 and treat that the detection of test examination instrument is popped one's head in corresponding setting, static probe geometric center position, prevents tested probe displacement.
In the present embodiment, described fixing spiral shell button 5 is one in several fixing spiral shell button; Described squarely prop up frame 6, four end angles of control panel 9 are circular arc-shaped corner, circular arc-shaped corner 7 is one in several circular arc-shaped corner; The embedding dististyle board point 12 of getting of described arc is two embedding of getting in dististyle board point of arc; The described embedding end of bar shaped standard source 13 is one in two embedding ends of bar shaped standard source.
According to ionising radiation metering vertification regulation JJG478-96 regulation; in the process of calibrating, calibration large area α, β surface contamination instrument; the protection aperture plate of different probe has different requirement from the spacing on standard radioactive source surface, and the portable large area α of different size, β surface contamination need be selected to examine and determine source capsule.Wherein, when placing α standard flat source, its surface, source is 5mm with the distance of detection window, for examining and determine, calibrating the alpha probe of α, β surface contamination instrument.When placing β standard flat source, its surface, source is 10mm with the distance of detection window, for examining and determine, calibrating the beta probe of α, β surface contamination instrument.The present invention can safe and efficiently avoid directly touching calibrating source, and radioactive contamination is caused due to maloperation in available protecting calibrating source simple to operate.The present invention makes and is lightly easy to carry, and can improve the work efficiency of calibrating, calibration large area α, β surface contamination instrument.
In the present embodiment, portable large area α of the present invention, β surface contamination calibrating source capsule is that 195mm(is long) × 140mm(is wide) × 30mm(is high) and a rectangular parallelepiped, wherein, squarely prop up frame 6, it is long that circular arc-shaped corner 7 forms 97mm() × 97mm(is wide) the square with circular arc end angle, dip plane 8 width is 4mm, control panel 9 width is 8.5mm, square exploration hole 10 is that 75mm(is long) × 75mm(is wide) × 2mm(is high) and the square with circular arc end angle, to utilize 150mm(long) × 100mm(is wide) × 3mm(is thick) and standard radioactive source to α, β surface contamination instrument is examined and determine, calibration, the embedding end of bar shaped standard source 13 is long for firm 150mm() × 100mm(is wide) × 3mm(is high) and large area α, β standard source, bar shaped standard source embedding end 13 upper surface and square exploration hole 10 bottom end surface are at a distance of 2mm, thus fixed standard radioactive source surface and probe protect the distance of aperture plate, calibrating source capsule lid is that 210mm(is long) × 750mm(is wide) × 10mm(is high) and a rectangular parallelepiped, standard radioactive source exposed in the square exploration hole of energy deadend 10, play protecting standard radioactive source exposed part and dust-proof effect.
Portable large area α of the present invention, β surface contamination calibrating source capsule is when examining and determine, calibrating α, β surface contamination instrument, calibrating source capsule lid is opened, fitting completely treating that the detection probe of test examination instrument is placed on square exploration hole 10, calibrating, calibration operation can be started.
Claims (3)
1. a portable large area α, β surface contamination calibrating source capsule, it is characterized in that: described calibrating source capsule comprises that displaced type probe props up panel (1), inlay card window (2), perspex panels (3), arc are embedding gets dististyle plate (4), calibrating source capsule lid, wherein, described displaced type probe props up panel (1) and props up frame (6), circular arc-shaped corner (7), dip plane (8), control panel (9), square exploration hole (10) containing square; The embedding front end of getting dististyle plate (4) of described arc is rectangle, and rear end is arc; Described inlay card window (2) gets dististyle board point (12), the embedding end of bar shaped standard source (13) containing arc is embedding; Its annexation is, described displaced type probe props up panel (1) center and is provided with and squarely props up frame (6), control panel (9) is positioned at and squarely props up frame (6), squarely prop up frame (6), four of control panel (9) end angles are circular arc-shaped corner, dip plane (8) is had square propping up between frame (6) and control panel (9), control panel (9) center is provided with square exploration hole (10), and displaced type probe props up panel (1) front end and is provided with built-in type semi arch (11); The front end of described inlay card window (2) is provided with arc groove, the embedding dististyle board point (12) of getting of arc is arranged on two ends place, arc groove left and right, the embedding dististyle plate (4) of getting of arc embeds in the arc groove of inlay card window (2), the embedding end of bar shaped standard source (13) is also provided with in the front end of inlay card window (2), the rear end of described inlay card window (2) is fixedly connected with perspex panels (3) by fixing spiral shell button, and displaced type probe is propped up panel (1) and is fixedly connected with the inlay card window (2) below it by fixing spiral shell button (5); Calibrating source capsule lid is arranged at displaced type probe and props up on panel (1).
2. portable large area α according to claim 1, β surface contamination calibrating source capsule, it is characterized in that: described displaced type probe props up panel (1), squarely props up frame (6), built-in type semi arch (11) is all arranged on same axial line, described arc is embedding gets that the arc of dististyle plate (4) rear end is corresponding with the arc groove in inlay card window (2) to be arranged.
3. portable large area α according to claim 1, β surface contamination calibrating source capsule, is characterized in that: described squarely prop up frame (6), dip plane (8), control panel (9), square exploration hole (10) and treat that the detection of test examination instrument is popped one's head in corresponding setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410612008.3A CN104316951A (en) | 2014-11-05 | 2014-11-05 | Portable large-area alpha and beta surface contamination detecting source box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410612008.3A CN104316951A (en) | 2014-11-05 | 2014-11-05 | Portable large-area alpha and beta surface contamination detecting source box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104316951A true CN104316951A (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410612008.3A Pending CN104316951A (en) | 2014-11-05 | 2014-11-05 | Portable large-area alpha and beta surface contamination detecting source box |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749610A (en) * | 2015-04-09 | 2015-07-01 | 中国工程物理研究院核物理与化学研究所 | Verification source box used for special-shaped alpha and beta probes |
| CN109061709A (en) * | 2018-06-14 | 2018-12-21 | 海南核电有限公司 | A kind of α, beta probe examine and determine radioactive stand |
| CN110941008A (en) * | 2019-12-17 | 2020-03-31 | 中国原子能科学研究院 | Portable detection device for α and β surface pollution meters |
| CN112462407A (en) * | 2020-11-10 | 2021-03-09 | 中国核动力研究设计院 | Fuel plate surface pollution positioning detection device and system |
-
2014
- 2014-11-05 CN CN201410612008.3A patent/CN104316951A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 郑慧 等: "α、β表面沾污检定仪研制", 《核电子学与探测技术》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749610A (en) * | 2015-04-09 | 2015-07-01 | 中国工程物理研究院核物理与化学研究所 | Verification source box used for special-shaped alpha and beta probes |
| CN109061709A (en) * | 2018-06-14 | 2018-12-21 | 海南核电有限公司 | A kind of α, beta probe examine and determine radioactive stand |
| CN109061709B (en) * | 2018-06-14 | 2022-10-11 | 海南核电有限公司 | Radioactive source bracket for detecting alpha and beta probes |
| CN110941008A (en) * | 2019-12-17 | 2020-03-31 | 中国原子能科学研究院 | Portable detection device for α and β surface pollution meters |
| CN112462407A (en) * | 2020-11-10 | 2021-03-09 | 中国核动力研究设计院 | Fuel plate surface pollution positioning detection device and system |
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Application publication date: 20150128 |
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