CN102778687A - Nuclear radiation detector - Google Patents
Nuclear radiation detector Download PDFInfo
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- CN102778687A CN102778687A CN2012101705015A CN201210170501A CN102778687A CN 102778687 A CN102778687 A CN 102778687A CN 2012101705015 A CN2012101705015 A CN 2012101705015A CN 201210170501 A CN201210170501 A CN 201210170501A CN 102778687 A CN102778687 A CN 102778687A
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- 230000005855 radiation Effects 0.000 title claims abstract description 67
- 239000000463 material Substances 0.000 claims abstract description 6
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Abstract
一种可以测量核辐射剂量和分布的核辐射探测器。探测器的表层是一种屏蔽辐射的特殊材料，减少探测器的辐射损伤；探测器的前端具有开闭可控的保护盖，在需要时打开，保护探测器不受过多的辐射破坏；光电传感器CCD采集到辐射信息后，传送到处理芯片中，计算出核辐射的剂量，同时将辐射的二维分布通过液晶屏显示出来，方便操作和监控。如果超过设定的阈值，传感器报警。同时，存储芯片能够将数据存储起来，方便后期的查阅，USB接口可以将数据传输到PC机进一步分析辐射的成分。A nuclear radiation detector that can measure the dose and distribution of nuclear radiation. The surface layer of the detector is a special material that shields radiation to reduce the radiation damage of the detector; the front end of the detector has a controllable protective cover, which can be opened when needed to protect the detector from excessive radiation damage; the photoelectric sensor After the radiation information is collected by the CCD, it is sent to the processing chip to calculate the dose of nuclear radiation, and at the same time, the two-dimensional distribution of radiation is displayed on the LCD screen, which is convenient for operation and monitoring. If the set threshold is exceeded, the sensor alarms. At the same time, the memory chip can store the data for later reference, and the USB interface can transmit the data to a PC for further analysis of radiation components.
Description
Technical field
The present invention relates to a kind of instrument of surveying nuclear radiation.A kind of method that can measure nuclear radiation quantity is provided especially, can have surveyed the dosage and the distribution of nuclear radiation.
Background technology
At present; Even it is few to survey the detector of nuclear radiation dosage and Two dimensional Distribution image on the market simultaneously, roughly can be divided into two kinds, a kind of is the instrument of traditional measuring radiation; Like gas detector, scintillation detector and semiconductor detector etc.; These detectors are being measured technology comparative maturity aspect the dosage, but the efficient that is used for surveying the Two dimensional Distribution image is not high enough, and degree of accuracy is also not high enough; Also have a kind of nuclear radiation detector to utilize photoelectric sensor to come Information Monitoring; Has certain advantage aspect the demonstration Two dimensional Distribution image; But they need increase switching device before detector, convert nuclear radiation into visible light, were surveyed by sensor again; This mode conversion efficiency is lower usually, also is difficult to obtain dosage information.
Summary of the invention
The objective of the invention is to solve the deficiency of the said nuclear radiation detector of background technology, a kind of dosage of high efficiency detection nuclear radiation and the detector of distribution are provided.
The present invention takes optoelectronic sensor CCD as sensor, directly gathers the information of nuclear radiation, under the effect of process chip, can convert the dosage information of numerical value into, can obtain the Two dimensional Distribution of nuclear radiation again.
Advantage of the present invention has:
(1) can survey the dosage and the distribution of nuclear radiation, and increase storer, can directly show, perhaps be connected to PC, the information of collecting carried out the required operations such as analysis of spectrum in later stage.
(2) at the outside special material that increases radiation-screening of detector.
(3) operator can be provided with threshold value according to different occasions, when nuclear radiation dosage surpasses threshold value, can report to the police automatically.
(4) front end of detector has the controlled over cap of switching, opens when needed, and the protection detector does not receive too much radiation destruction.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation.
Fig. 1 is the structural representation of nuclear radiation detector;
Fig. 2 is the side view of nuclear radiation detector;
Fig. 3 is the vertical view of nuclear radiation detector;
Fig. 4 is the upward view of nuclear radiation detector.
Embodiment
The present invention can be used in places such as pharmaceutical factory, laboratory, stone pit, metal treatment field; Also can be used for checking phreatic pollution, masonry work material and some areas nuclear radiation pollution etc., the process of in different occasions, implementing is similar.Below to survey positron
22Na and the leakage of detection karyomerite are explained embodiment for example.
The top layer 1 of this radiation detector shell Fig. 2 is the special material with shielded nucleus radiation function, reduces the radiation damage of detector.
(1) surveys positron
22Na
At first load onto battery 19, cover the probe portion of detector with light shield, arrest handle 3, press power switch 7, the over cap 18 of camera lens is opened, and detector is started working.Camera 4 is aimed at positron source
22Na, electron irradiation ccd sensor 5, through treatment circuit 6, can be on LCDs 12 display image.Can see on the background of black on the display screen 12 having bright spot to occur at diverse location, be exactly the image of positron.Press the button 8 of taking pictures, can see the distribution that has some bright spots mixed and disorderly, press demonstration switching push button 10, can on display screen 12, check the dosage of radiation, press confirming button 15, picture and dosage information deposit in the storer 16, convenient checking later.After detection finishes, press power switch 7 closure detectors.Be connected to computer through usb 17, carry out the data analysis in later stage.
(2) surveying karyomerite leaks
Radiation detector is taken the place that possibly occur revealing, load onto battery 19, press power switch 7, the over cap 18 of camera lens is opened, and detector is started working.Press the dosage threshold value that the button 14 that threshold value is set begins to set this occasion, threshold value is set, can observe,, press and confirm key 15, represent to be provided with completion when being provided with when suitable through display screen 12 through regulating button 9 and 13.
Cover the probe portion of detector with light shield, arrest handle portion 3, camera lens 4 alignings are needed the position surveyed, nuclear radiation irradiation ccd sensor 5, through treatment circuit 6, can be on LCDs 12 display image.Press shooting push button 8, can on 12, see the two dimensional image of radiation.Press demonstration switching push button 10, can on display screen 12, check the dosage of radiation, at this moment, press confirming button 15 and can deposit storer 16 in.Data in the storer can be transferred to computer and do detail analysis, such as kind through analyzing radiation, and the shared ratio of various radiation etc.
If dosage surpasses preset threshold, can surpass threshold value through pilot lamp 11 alarms.
When needing to measure one group of data, step is the same.After measuring end, powered-down 7.
If carry out the detailed comparative analysis in later stage, then can be through usb 17 with data transmission to computer, further analyze through analysis software.
Claims (10)
1. the design of a nuclear radiation detector comprises:
(1) internal circuit is by photoelectric sensor, data reading circuit, and storer, process chip, data output circuit, LCDs is formed;
(2) a kind of method of coming calculation of radiation dose of design through the data of processes sensor output;
(3) be coated with the material of shielded nucleus radiation on the circuit outer metallic shell, reduce the damage of radiation instrument;
(4) have storage chip, can write down the information of detection, can support the analysis on the PC in later stage again.
It is characterized in that: the duty of self-verifying instrument, require the manually threshold value of setting dosage according to different environment, utilize highly sensitive photoelectric sensor, improve precision and the efficient measured.Sensor can be gathered the information of nuclear radiation; Pass process chip back through data reading circuit; The dosage that shows radiation surpasses preset threshold and reports to the police automatically, uses the two dimensional image of screen display radiation simultaneously; Be convenient to confirm the particular location of radiation, the demonstration of dosage and image can be through display switching key control.The labor with the later stage is consulted in the storer support.
2. according to the described nuclear radiation detector of claim 1; It is characterized in that: photoelectric sensor receives nuclear radiation information, passes to chip and carries out data processing, the dosage of output radiation; Surpass the dosage Threshold Alerts, and show the Two dimensional Distribution image of radiation through LCDs.
3. according to claim 1 and the described radiation detector of claim 2, it is characterized in that: the dosage threshold value of nuclear radiation under the varying environment can be set automatically, and surpassing preset threshold will report to the police automatically.
4. according to the described nuclear radiation detector of claim 1, it is characterized in that: with radiation such as X ray in the space and gamma-rays as a whole, survey the dosage and the distribution of its radiation.
5. according to the described nuclear radiation detector of claim 1, it is characterized in that: increase storer and USB interface, the raw data of storage CCD output and the computational data of chip output can link to each other with computer, as the data basis of later stage labor.
6. according to the described nuclear radiation detector of claim 1, it is characterized in that: adopt highly sensitive photoelectric sensor CCD, improve the measuring accuracy of system.
7. according to the described nuclear radiation detector of claim 1, it is characterized in that: the outside of nuclear radiation detector covers the special material of shielded nucleus radiation, the inner circuit of protection detector.
8. according to the described nuclear radiation detector of claim 1, it is characterized in that: can show the dosage of nuclear radiation, also can show the distributed image of nuclear radiation.
9. according to the described nuclear radiation detector of claim 1, it is characterized in that: have the button of switching displayed, be used for switching the information of dosage and figure.
10. according to claim 1 and the described nuclear radiation detector of claim 10, it is characterized in that: the sensor front increase can automatic shutter device, open when needed, sensor begins acquisition of information, closes the protection detector when not required.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210170501.5A CN102778687B (en) | 2012-05-17 | 2012-05-17 | A kind of nuclear radiation detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210170501.5A CN102778687B (en) | 2012-05-17 | 2012-05-17 | A kind of nuclear radiation detector |
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| Publication Number | Publication Date |
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| CN102778687A true CN102778687A (en) | 2012-11-14 |
| CN102778687B CN102778687B (en) | 2016-08-24 |
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| CN201210170501.5A Expired - Fee Related CN102778687B (en) | 2012-05-17 | 2012-05-17 | A kind of nuclear radiation detector |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868553A (en) * | 2014-03-28 | 2014-06-18 | 苏州热工研究院有限公司 | Combined type irradiation-temperature-humidity recorder |
| CN104833391A (en) * | 2015-04-13 | 2015-08-12 | 北京华泰诺安科技有限公司 | Mode converting system and mode converting method of nuclear biochemical sensor |
| CN105182397A (en) * | 2015-09-16 | 2015-12-23 | 武汉钢铁(集团)公司 | Radioactive substance detection apparatus and method |
| CN105923339A (en) * | 2016-07-12 | 2016-09-07 | 中国科学院合肥物质科学研究院 | Automatic object conveying device for irradiation operation |
| CN107257601A (en) * | 2017-08-01 | 2017-10-17 | 赫文波 | Intelligent Radiation Protection System |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB796239A (en) * | 1955-05-17 | 1958-06-11 | Gen Aniline & Film Corp | Dosimeter for evaluating the dosage of penetrating radiation |
| CN1182882A (en) * | 1996-11-20 | 1998-05-27 | 中国科学技术大学 | Dose field distribution imaging measuring method and device thereof |
| CN2771876Y (en) * | 2005-01-07 | 2006-04-12 | 黑龙江省中贝技术有限公司 | Gamma-ray environmental dosage indicating instrument |
| US20070045546A1 (en) * | 2005-08-25 | 2007-03-01 | Rae Systems, Inc. | Combined radiation dosimeter and rate meter |
| CN201421503Y (en) * | 2009-03-26 | 2010-03-10 | 上海新漫传感技术研究发展有限公司 | Handhold neutron-gamma radiation detector |
-
2012
- 2012-05-17 CN CN201210170501.5A patent/CN102778687B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB796239A (en) * | 1955-05-17 | 1958-06-11 | Gen Aniline & Film Corp | Dosimeter for evaluating the dosage of penetrating radiation |
| CN1182882A (en) * | 1996-11-20 | 1998-05-27 | 中国科学技术大学 | Dose field distribution imaging measuring method and device thereof |
| CN2771876Y (en) * | 2005-01-07 | 2006-04-12 | 黑龙江省中贝技术有限公司 | Gamma-ray environmental dosage indicating instrument |
| US20070045546A1 (en) * | 2005-08-25 | 2007-03-01 | Rae Systems, Inc. | Combined radiation dosimeter and rate meter |
| CN201421503Y (en) * | 2009-03-26 | 2010-03-10 | 上海新漫传感技术研究发展有限公司 | Handhold neutron-gamma radiation detector |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868553A (en) * | 2014-03-28 | 2014-06-18 | 苏州热工研究院有限公司 | Combined type irradiation-temperature-humidity recorder |
| CN104833391A (en) * | 2015-04-13 | 2015-08-12 | 北京华泰诺安科技有限公司 | Mode converting system and mode converting method of nuclear biochemical sensor |
| CN104833391B (en) * | 2015-04-13 | 2017-09-29 | 北京华泰诺安探测技术有限公司 | The mode change system and its mode conversion method of one seed nucleus biochemical sensor |
| CN105182397A (en) * | 2015-09-16 | 2015-12-23 | 武汉钢铁(集团)公司 | Radioactive substance detection apparatus and method |
| CN105923339A (en) * | 2016-07-12 | 2016-09-07 | 中国科学院合肥物质科学研究院 | Automatic object conveying device for irradiation operation |
| CN105923339B (en) * | 2016-07-12 | 2018-03-13 | 中国科学院合肥物质科学研究院 | A kind of automation article transmitting device for being used to irradiate operation |
| CN107257601A (en) * | 2017-08-01 | 2017-10-17 | 赫文波 | Intelligent Radiation Protection System |
| CN107949146A (en) * | 2017-08-01 | 2018-04-20 | 赫文波 | Intelligent radiation protecting systems |
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| CN102778687B (en) | 2016-08-24 |
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| CB03 | Change of inventor or designer information |
Inventor after: Wang Fang Inventor after: Li Huanhuan Inventor after: Dan Yanyan Inventor after: Liu Yufang Inventor after: Wang Xu Inventor after: Ma Chunwang Inventor after: Shi Shuie Inventor after: Wang Yan Inventor after: Wu Xuebing Inventor after: Wang Mingyuan Inventor after: Zhang Kelei Inventor after: Wang Guo Inventor before: Wang Fang Inventor before: Dan Yanyan Inventor before: Liu Yufang Inventor before: Ma Chunwang Inventor before: Shi Shuie Inventor before: Wang Yan Inventor before: Wu Xuebing Inventor before: Wang Mingyuan Inventor before: Zhang Kelei Inventor before: Wang Guo Inventor before: Li Huanhuan |
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Free format text: CORRECT: INVENTOR; FROM: WANG FANG MA CHUNWANG SHI SHUIE WANG YAN WU XUEBING WANG MINGYUAN ZHANG KELEI WANG GUO LI HUANHUAN DAN YANYAN LIU YUFANG TO: WANG FANG WANG XU MA CHUNWANG SHI SHUIE WANG YAN WU XUEBING WANG MINGYUAN ZHANG KELEI WANG GUO LI HUANHUAN DAN YANYAN LIU YUFANG |
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Granted publication date: 20160824 Termination date: 20170517 |