CN203909308U - Radioactive source monitoring system - Google Patents
Radioactive source monitoring system Download PDFInfo
- Publication number
- CN203909308U CN203909308U CN201320846163.2U CN201320846163U CN203909308U CN 203909308 U CN203909308 U CN 203909308U CN 201320846163 U CN201320846163 U CN 201320846163U CN 203909308 U CN203909308 U CN 203909308U
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- China
- Prior art keywords
- radioactive source
- detector
- monitoring system
- signal
- dose rate
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- 230000002285 radioactive effect Effects 0.000 title claims abstract description 54
- 238000012544 monitoring process Methods 0.000 title claims abstract description 23
- 230000005855 radiation Effects 0.000 claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 239000013078 crystal Substances 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 9
- 238000012216 screening Methods 0.000 claims description 6
- XQPRBTXUXXVTKB-UHFFFAOYSA-M caesium iodide Chemical group [I-].[Cs+] XQPRBTXUXXVTKB-UHFFFAOYSA-M 0.000 claims description 4
- 241001269238 Data Species 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 3
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 description 12
- 235000009518 sodium iodide Nutrition 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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- Measurement Of Radiation (AREA)
Abstract
The utility model discloses a radioactive source monitoring system which includes a plurality of detectors, a monitoring terminal and a monitoring center. Each detector includes a radiation detector and a GPS satellite signal receiver, and is installed on a radioactive source device of a user. Each radiation detector is used for detecting the radiation dose rate of the radioactive source device and converting the radiation dose rate into a digital signal; and each GPS satellite signal receiver is used for acquiring a geographic location digital signal of the radioactive source device. The monitoring terminal is used for processing the radiation dose rate digital signals and the geographic location digital signals of the detectors, and transmitting the signal data to the monitoring center. According to the utility model, the radioactive source monitoring system is high in detection sensitivity, fast in response, stable and reliable, and can monitor the operating status and location status of the radioactive source device online, so radioactive source regulators can get to know the statuses in real time so as to manage users of radioactive sources.
Description
Technical field
The utility model relates to nuclear safety technical field, specifically, specially refers to a kind of radioactive source monitoring system.
Background technology
In recent years, along with the development in an all-round way of China's economic construction, also increasing to the use of radioactive source.Along with radioactive source is in the widespread use in the fields such as industry, agricultural, medical treatment, scientific research, kind and the quantity of radioactive source equipment increase sharply, and nuclear safety problem highlights.The Chinese government requires to strengthen supervision to radioactive source, and country is also corresponding to have formulated a series of laws and regulations and strictly regulate using and managing of radioactive source.
At present domestic is mainly that user is set up to strict management system to the monitoring of radioactive source equipment, for example, core user application approval system, radioactive source equipment is registered, to its quantity, land used is limited, and the monitoring system of radioactive source equipment etc., but the technological means of carrying out these systems falls behind, administrative authority can only carry out regularly or irregularly sampling observation, uses state can not understand in real time its working condition to the radioactive source equipment of administrative area, has administrative vulnerability and potential safety hazard.Current radioactive source monitoring product is on the market less, mostly adopts GM pipe as radiation detector, and the sensitivity of GM pipe is low, and reaction is slow; Minority adopts sodium iodide scintillation crystal detectors, and although sodium iodide scintillation crystal is highly sensitive, but must connect photomultiplier as photo-electric conversion element, and photomultiplier transit pipe volume is large, be subject to the environmental impact such as temperature, magnetic field, this has also limited the application of sodium iodide scintillation crystal detectors class radioactive source monitoring product.
Utility model content
The purpose of this utility model is to provide a kind of radioactive source monitoring system, and detection sensitivity is high, is swift in response, reliable and stable, duty and location status that can on-line monitoring radioactive source equipment, radioactive source supervision department can understand these situations in real time, to radioactive source user is managed.
The technical matters that the utility model solves can realize by the following technical solutions:
Radioactive source monitoring system, comprises some detectors, monitor terminal and Surveillance center;
Described detector is arranged on user's radioactive source equipment, and it comprises the radiation dose rate for surveying radioactive source equipment and converts it into the radiation detector of digital signal and for obtaining the gps satellite signal receiver of geographic position digital signal of radioactive source equipment;
Described monitor terminal is connected with described detector communication, and it comprises
Signal processor, for the treatment of the radiation dose rate digital signal of described detector and the geographic position digital signal of radioactive source equipment output alarm control signal;
Alarm, for receiving the concurrent visual alarm of speaking of alarm control signal;
Display, for showing radiation dose rate and the geographic position of radioactive source equipment;
Storer, for storing above-mentioned various signal;
Data link, for transferring to described Surveillance center by above-mentioned various signal datas.
Further, described detector is with RS485 bus form and described monitor terminal communication, monitor terminal can with several detector connecting communications.
Further, described detector comprises screening can and is arranged at detecting element, photocon, photo-electric conversion element, prime amplifier and the control element in screening can; Described detecting element, photocon, photo-electric conversion element are horizontally disposed with successively, and described photo-electric conversion element connects described prime amplifier and control element successively.
Further, described detecting element is cesium iodide,crystal crystal, and described photo-electric conversion element is photodiode.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, adopt highly sensitive cesium iodide,crystal crystal as radiation detection element, adopt the photodiode that is not subject to the environmental impact such as temperature, magnetic field as photo-electric conversion element, make up the deficiency of the detector such as GM pipe, sodium iodide scintillation crystal, system detection sensitivity is high, be swift in response, reliable and stable;
2, detector is with RS485 bus form and described monitor terminal communication, monitor terminal can with multiple detector connecting communications;
3, system can on-line monitoring radioactive source equipment duty and location status, radioactive source supervision department can understand these situations in real time, to radioactive source user is managed.
Brief description of the drawings
Fig. 1 is the structural representation of radioactive source monitoring system of the present utility model.
Fig. 2 is the structural representation of monitor terminal of the present utility model.
Fig. 3 is the structural representation of radiation detector of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
Referring to Fig. 1, radioactive source monitoring system described in the utility model, it comprises detector 10, monitor terminal 20 and Surveillance center 30.
Detector 10 is arranged on user's radioactive source equipment, and it comprises radiation detector 11 and gps satellite signal receiver 12, and radiation detector 11, for surveying the radiation dose rate of radioactive source equipment, converts radiation dose rate to digital signal; Gps satellite signal receiver 12, for obtaining the geographic position digital signal of radioactive source equipment;
As shown in Figure 2, monitor terminal 20 connects detector 10, comprises signal processor 21, alarm 22, display 23, storer 24 and data link 25.Signal processor 21, for the treatment of the radiation dose rate digital signal of detector 10 and the geographic position digital signal of gps satellite signal receiver 12, and output alarm control signal; Alarm 22, receives alarm control signal, sends sound and light alarm signal; Display 23, the radiation dose rate of demonstration detector 10 (radioactive source equipment), geographic position etc.; Storer 24, stores above-mentioned various signal; Data link 25, for transferring to Surveillance center 30 by above-mentioned various signal datas.
In the present embodiment, detector 10 is with RS485 bus form and monitor terminal 20 connecting communications.
As shown in Figure 3, radiation detector 11 comprises screening can 111, detecting element 112, photocon 113, photo-electric conversion element 114, prime amplifier 115 and control element 116; Detecting element 112, photocon 113, photo-electric conversion element 114, prime amplifier 115 and control element 116 are arranged in screening can 111, described detecting element 112, photocon 113, photo-electric conversion element 114 are horizontally disposed with successively, and photo-electric conversion element 114 connects prime amplifier 115 and control element 116 successively.
In the present embodiment, detecting element 112 adopts cesium iodide,crystal crystal, 30mm × 30mm × 30mm, and photo-electric conversion element 114 adopts S3590-08 photodiode.
Photo-electric conversion element 114 is exported the signal coming after prime amplifier 115 amplifies, input control element 116.Control element 116 carries out data processing, converts radiation dose rate to digital signal.
The signal processor 21 of monitor terminal 20 is connected with control element 116 and gps satellite signal receiver 12, the radiation dose rate digital signal that the control element 116 of processing detector 10 is inputted and the geographic position digital signal of gps satellite signal receiver 12.
Radioactive source monitoring system of the present utility model passes through corresponding experiment measuring,
137under Cs source, the gamma sensitivity recording is 600 cps/ (μ Svh
-1), detection sensitivity is high, is swift in response, reliable and stable, duty and location status that can on-line monitoring radioactive source equipment, and radioactive source supervision department can understand these situations in real time, to radioactive source user is managed.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. radioactive source monitoring system, is characterized in that: comprise some detectors, monitor terminal and Surveillance center;
Described detector is arranged on user's radioactive source equipment, and it comprises the radiation dose rate for surveying radioactive source equipment and converts it into the radiation detector of digital signal and for obtaining the gps satellite signal receiver of geographic position digital signal of radioactive source equipment;
Described monitor terminal and described detector connecting communication, it comprises
Signal processor, for the treatment of the radiation dose rate digital signal of described detector and the geographic position digital signal of radioactive source equipment output alarm control signal;
Alarm, for receiving the concurrent visual alarm of speaking of alarm control signal;
Display, for showing radiation dose rate and the geographic position of radioactive source equipment;
Storer, for storing above-mentioned various signal;
Data link, for transferring to described Surveillance center by above-mentioned various signal datas.
2. radioactive source monitoring system according to claim 1, is characterized in that: described detector is with RS485 bus form and monitor terminal communication, monitor terminal can with several detector connecting communications.
3. radioactive source monitoring system according to claim 1, is characterized in that: described detector comprises screening can and is arranged at detecting element, photocon, photo-electric conversion element, prime amplifier and the control element in screening can; Described detecting element, photocon, photo-electric conversion element are horizontally disposed with successively, and described photo-electric conversion element connects described prime amplifier and control element successively.
4. radioactive source monitoring system according to claim 3, is characterized in that: described detecting element is cesium iodide,crystal crystal, and described photo-electric conversion element is photodiode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320846163.2U CN203909308U (en) | 2013-12-20 | 2013-12-20 | Radioactive source monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320846163.2U CN203909308U (en) | 2013-12-20 | 2013-12-20 | Radioactive source monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203909308U true CN203909308U (en) | 2014-10-29 |
Family
ID=51783570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320846163.2U Expired - Lifetime CN203909308U (en) | 2013-12-20 | 2013-12-20 | Radioactive source monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203909308U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807308A (en) * | 2016-06-03 | 2016-07-27 | 中国人民解放军***福州总医院 | Nuclear radiation electronic individual dosimeter system based on ZigBee wireless network |
| CN107035356A (en) * | 2016-02-04 | 2017-08-11 | 中石化石油工程技术服务有限公司 | Radiate source radiation remote supervision system |
| CN107462917A (en) * | 2017-09-19 | 2017-12-12 | 南京瑞派宁信息科技有限公司 | A kind of ionising radiation detection device and method |
| CN109490924A (en) * | 2018-11-23 | 2019-03-19 | 南京航空航天大学 | A kind of multi-source localization method based on airborne radioactivity monitoring system |
| CN109884686A (en) * | 2019-03-18 | 2019-06-14 | 中国原子能科学研究院 | A kind of source positions detection device |
-
2013
- 2013-12-20 CN CN201320846163.2U patent/CN203909308U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035356A (en) * | 2016-02-04 | 2017-08-11 | 中石化石油工程技术服务有限公司 | Radiate source radiation remote supervision system |
| CN105807308A (en) * | 2016-06-03 | 2016-07-27 | 中国人民解放军***福州总医院 | Nuclear radiation electronic individual dosimeter system based on ZigBee wireless network |
| CN107462917A (en) * | 2017-09-19 | 2017-12-12 | 南京瑞派宁信息科技有限公司 | A kind of ionising radiation detection device and method |
| CN109490924A (en) * | 2018-11-23 | 2019-03-19 | 南京航空航天大学 | A kind of multi-source localization method based on airborne radioactivity monitoring system |
| CN109490924B (en) * | 2018-11-23 | 2023-02-10 | 南京航空航天大学 | Multi-source positioning method based on airborne radioactivity monitoring system |
| CN109884686A (en) * | 2019-03-18 | 2019-06-14 | 中国原子能科学研究院 | A kind of source positions detection device |
| CN109884686B (en) * | 2019-03-18 | 2020-12-11 | 中国原子能科学研究院 | Radioactive source position detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |
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| CX01 | Expiry of patent term |