CN205787154U - Gamma dose rate detector for radioactive source measuring robots - Google Patents
Gamma dose rate detector for radioactive source measuring robots Download PDFInfo
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- CN205787154U CN205787154U CN201620441266.4U CN201620441266U CN205787154U CN 205787154 U CN205787154 U CN 205787154U CN 201620441266 U CN201620441266 U CN 201620441266U CN 205787154 U CN205787154 U CN 205787154U
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Abstract
nullThis utility model provides a kind of gamma dose rate detector for radioactive source measuring robots，It includes housing、Scintillator and photocon，Housing includes protecgulum、Lucifuge cylinder and mounting cylinder，Protecgulum、Lucifuge cylinder and mounting cylinder are in turn connected to form closing cavity，Photocon is fixed in mounting cylinder，Scintillator is fixed between photocon and protecgulum，Scintillator includes array scintillation crystal，Barium sulfate interlayer、Barium sulfate clad and aluminium-foil paper adhesive tape，Photocon has receiving plane and output face，Receiving plane has first group of joint-cutting，Output face has second group of joint-cutting，First group of joint-cutting and second group of joint-cutting all include four joint-cuttings，Article four, joint-cutting is arranged in " well " font，And every joint-cutting is filled with passage of scintillation light reflecting material，The tail end of mounting cylinder is provided with high voltage input terminal and signal output part，High voltage input terminal and signal output part are all connected with the output face of photocon.This utility model can improve the position resolution of detector.
Description
Technical field
This utility model relates to radiation detection technology field, particularly relates to a kind of gamma dose rate detector for radioactive source measuring robots.
Background technology
China is nuclear power, radiosiotope and having a large capacity and a wide range that x-ray apparatus is applied, and relates to the every field such as medical science, industry, agricultural, scientific research and teaching.Therefore, the task that nuclear and radiation safety supervision faces is heavy and the situation is tense.
At present, in order to improve nuclear emergency responding ability, emergency monitoring and disposal are preferably carried out, it is ensured that core and Radiation Environment Safety and Radiation work one line engineers and technicians' safety, radioactive source measuring robots is widely used.
But, current radioactive source measuring robots still uses traditional scintillation detector, and these scintillation detectors are typically made up of scintillator and photodetector.Scintillator is usually the array scintillation crystal of monolayer or continuous scintillation crystal reception ray, has an effect with it and it is converted into passage of scintillation light, and the blinking light received is converted into the signal of telecommunication that is the most identified and that process by photodetector.Owing to radioactive source measuring robots is usually applied in adverse circumstances, the result of detection of scintillation detector is easy to be affected by environmental factors, and the reflectance of scintillator of the prior art and light collection rate performance are the best, the position resolution being easily caused detector is not enough.
Utility model content
This utility model is mainly solving the technical problems that provide a kind of gamma dose rate detector for radioactive source measuring robots, it is possible to increase the position resolution of detector.
nullFor solving above-mentioned technical problem，The technical scheme that this utility model uses is: provide a kind of gamma dose rate detector for radioactive source measuring robots，Including housing、Scintillator and photocon，Described housing includes protecgulum、Lucifuge cylinder and mounting cylinder，Described protecgulum、Lucifuge cylinder and mounting cylinder are in turn connected to form closing cavity，Described photocon is fixed in mounting cylinder，Described scintillator is fixed between photocon and protecgulum，Described scintillator includes array scintillation crystal，Barium sulfate interlayer、Barium sulfate clad and aluminium-foil paper adhesive tape，Described array scintillation crystal is arranged to make up along its width and length direction by long strip type scintillation crystal bar，It is spaced from each other by barium sulfate interlayer between described scintillation crystal bar，Described barium sulfate clad and aluminium-foil paper adhesive tape are coated on the outer surface of array scintillation crystal successively，Described photocon has receiving plane and output face，Described receiving plane has first group of joint-cutting，Described output face has second group of joint-cutting，Described first group of joint-cutting and second group of joint-cutting all include four joint-cuttings，Article four, joint-cutting is arranged in " well " font，And every joint-cutting is filled with passage of scintillation light reflecting material，The tail end of described mounting cylinder is provided with high voltage input terminal and signal output part，Described high voltage input terminal and signal output part are all connected with the output face of photocon.
Preferably, the degree of depth of every joint-cutting is between 1st/to two/3rd of photocon thickness.
Preferably, the thickness of described barium sulfate interlayer and barium sulfate clad is 0.5mm.
It is different from the situation of prior art, the beneficial effects of the utility model are: the scintillation crystal strip adoption barium sulfate interlayer of array scintillation crystal separates and array scintillation crystal uses barium sulfate clad cladding, barium sulfate does not have toxicity, it is insoluble in water, there is non-deliquescent characteristic, available preferably reflectance and light collection rate, make scintillator can obtain higher light output and relatively low optical crosstalk, it is thus possible to improve the position resolution of detector, certainty of measurement can be improved.
Accompanying drawing explanation
Fig. 1 is this utility model embodiment structural representation for the gamma dose rate detector of radioactive source measuring robots.
Fig. 2 is the structural representation of the scintillator of the scintillator detection device shown in Fig. 1.
Fig. 3 is the structural representation of the photocon of the scintillator detection device shown in Fig. 1
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
Please also refer to Fig. 1 to Fig. 3.The gamma dose rate detector for radioactive source measuring robots of this utility model embodiment includes housing 1, scintillator 2 and photocon 3.
Housing 1 includes that protecgulum 11, lucifuge cylinder 12 and mounting cylinder 13, protecgulum 11, lucifuge cylinder 12 and mounting cylinder 13 are in turn connected to form closing cavity, and photocon 3 is fixed in mounting cylinder 13, and scintillator 2 is fixed between photocon 3 and protecgulum 11.
Scintillator 2 includes array scintillation crystal, barium sulfate interlayer 22, barium sulfate clad 23 and aluminium-foil paper adhesive tape 24, array scintillation crystal is arranged to make up along its width and length direction by long strip type scintillation crystal bar 211, being spaced from each other by barium sulfate interlayer 22 between scintillation crystal bar 211, barium sulfate clad 23 and aluminium-foil paper adhesive tape 24 are coated on the outer surface of array scintillation crystal successively.In the present embodiment, the thickness of barium sulfate interlayer 22 and barium sulfate clad 23 is 0.5mm.
Photocon 3 has receiving plane 31 and output face 32, receiving plane 31 has first group of joint-cutting, output face 32 has second group of joint-cutting, first group of joint-cutting and second group of joint-cutting all include four joint-cuttings 300, article four, joint-cutting 300 is arranged in " well " font, and is filled with passage of scintillation light reflecting material (not shown) in every joint-cutting 300.In the present embodiment, the degree of depth of every joint-cutting 300 is between 1st/to two/3rd of photocon 3 thickness.Passage of scintillation light reflecting material can be diffuse-reflective material or specular reflective material.
The tail end of mounting cylinder 13 is provided with high voltage input terminal 4 and signal output part 5, high voltage input terminal 4 and signal output part 5 and is all connected with the output face 32 of photocon 3.
Use barium sulfate interlayer 22 to separate due to scintillation crystal bar 211 and array scintillation crystal uses barium sulfate clad 23 to be coated with, barium sulfate does not have toxicity, it is insoluble in water, there is non-deliquescent characteristic, available preferably reflectance and light collection rate, make scintillator 2 can obtain higher light output and relatively low optical crosstalk, and obtain preferably position resolution.
Owing to photocon 3 has joint-cutting 300, after passage of scintillation light is by receiving plane 31 incidence of photocon 3, through the reflection of the light reflecting material in the joint-cutting 300 being filled in receiving plane 31 and the passage of scintillation light reflecting material in the joint-cutting 300 being filled in output face 32, constitute different transmission lines, passage of scintillation light is made to be transferred into output face 32 in different transmission lines, change the scope in the transmission path of passage of scintillation light, achieve single photocon and constitute multiple light transmission paths, thus overcome the passage of scintillation light at scintillator 2 edge that the edge of photocon 3 brings due to passage of scintillation light transmission dispersion to be difficult to the defect differentiated.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description and accompanying drawing content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in scope of patent protection of the present utility model.
Claims (3)
1. the gamma dose rate detector for radioactive source measuring robots, it is characterised in that bag
Including housing, scintillator and photocon, described housing includes protecgulum, lucifuge cylinder and mounting cylinder, institute
Stating protecgulum, lucifuge cylinder and mounting cylinder and be in turn connected to form closing cavity, described photocon is fixed on
In mounting cylinder, described scintillator is fixed between photocon and protecgulum, and described scintillator includes battle array
Row scintillation crystal, barium sulfate interlayer, barium sulfate clad and aluminium-foil paper adhesive tape, described array dodges
Bright crystal is arranged to make up along its width and length direction by long strip type scintillation crystal bar, described flicker crystalline substance
It is spaced from each other by barium sulfate interlayer between body bar, described barium sulfate clad and aluminium-foil paper adhesive tape
Being coated on the outer surface of array scintillation crystal successively, described photocon has receiving plane and output
Face, described receiving plane has first group of joint-cutting, and described output face has second group of joint-cutting, and described
One group of joint-cutting and second group of joint-cutting all include that four joint-cuttings, four joint-cuttings are arranged in " well " font,
And every joint-cutting is filled with passage of scintillation light reflecting material, it is defeated that the tail end of described mounting cylinder is provided with high pressure
Enter end and signal output part, described high voltage input terminal and signal output part all with the output of photocon
Face connects.
Gamma dose rate for radioactive source measuring robots the most according to claim 1 detects
Device, it is characterised in that the degree of depth of every joint-cutting is between 1 to two/3rd point of photocon thickness
Between one of.
Gamma dose rate for radioactive source measuring robots the most according to claim 1 detects
Device, it is characterised in that the thickness of described barium sulfate interlayer and barium sulfate clad is 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620441266.4U CN205787154U (en) | 2016-05-16 | 2016-05-16 | Gamma dose rate detector for radioactive source measuring robots |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620441266.4U CN205787154U (en) | 2016-05-16 | 2016-05-16 | Gamma dose rate detector for radioactive source measuring robots |
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| CN205787154U true CN205787154U (en) | 2016-12-07 |
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| CN201620441266.4U Active CN205787154U (en) | 2016-05-16 | 2016-05-16 | Gamma dose rate detector for radioactive source measuring robots |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290771A (en) * | 2017-07-28 | 2017-10-24 | 厦门中烁光电科技有限公司 | A kind of method for packing of scintillation crystal array and scintillation crystal array |
| CN109254310A (en) * | 2018-10-17 | 2019-01-22 | 苏州瑞派宁科技有限公司 | Detection device, the imaging system including the detection device and its detection method |
-
2016
- 2016-05-16 CN CN201620441266.4U patent/CN205787154U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290771A (en) * | 2017-07-28 | 2017-10-24 | 厦门中烁光电科技有限公司 | A kind of method for packing of scintillation crystal array and scintillation crystal array |
| CN109254310A (en) * | 2018-10-17 | 2019-01-22 | 苏州瑞派宁科技有限公司 | Detection device, the imaging system including the detection device and its detection method |
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