CN103337134A - Electromagnetic field/gamma field radioactive source safety positioning device - Google Patents

Electromagnetic field/gamma field radioactive source safety positioning device Download PDF

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Publication number
CN103337134A
CN103337134A CN2013102245348A CN201310224534A CN103337134A CN 103337134 A CN103337134 A CN 103337134A CN 2013102245348 A CN2013102245348 A CN 2013102245348A CN 201310224534 A CN201310224534 A CN 201310224534A CN 103337134 A CN103337134 A CN 103337134A
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field
source
radioactive source
gamma
electromagnetic field
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CN103337134B (en
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葛良全
曾国强
谷懿
张庆贤
罗耀耀
程峰
王广西
杨强
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Chengdu Univeristy of Technology
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Chengdu Univeristy of Technology
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Abstract

The invention discloses an electromagnetic field/gamma field radioactive source safety positioning device. The electromagnetic field/gamma field radioactive source safety positioning device includes a gamma field positioning device, an electromagnetic field radioactive source positioning device, a source library access control device, a high-definition monitoring device, a sound-light alarm device and an outdoor GPS and GPRS positioning device; the gamma field positioning device is used for obtaining positions where radioactive sources are located and performing static monitoring on the radioactive sources; the electromagnetic field radioactive source positioning device is used for positioning the electromagnetic fields of radioactive source lead tanks, and performing dynamic monitoring on the lead tank devices in the electromagnetic fields; the source library access control device is equipped with RFID electronic tags, and is used for monitoring objects that go through a door; the high-definition monitoring device monitors moving objects real time, and transmits video signals to a management center real time; the sound-light alarm device is used for monitoring the stealing of the radioactive sources and standard exceeding of radioactive doses, and emitting sound-light alarm signals; and the outdoor GPS and GPRS positioning device is used for positioning a radioactive source library, and transmitting information inside the source library in a remote manner.

Description

The two field emission sources in a kind of electromagnetic field and gamma field safe locating device
Technical field
The present invention relates to radiation field, magnetic field, relate in particular to the two designs of long radioactive source in the radioactive source storehouse in electromagnetic field and gamma field.
Background technology
Current, the supervision of radioactive source is very important at the radioactive source secure context.Monitoring camera and warning device have been installed in present most radioactive source storehouse, traditional manually the supervising in real time of the main dependence of supervision.Artificial supervision exists many potential safety hazards, needs to use the management that modern advanced wireless technology realizes reflection sources.
Technology of Internet of things, it is the sensor with " inherent intelligence ", the RFID electronic tag of mobile terminal video supervisory system etc. and " external enabling ", by various wireless and/or wire communication network realization interconnected communications, at Intranet (Intranet), private network (Extranet), under internet (Internet) environment, adopt suitable security assurance information mechanism, provide safety controlled and even personalized real time on-line monitoring, the location is reviewed, alarm linkage, Long-distance Control, management and service functions such as safety precaution, realization is integrated to " pipe; control; battalion " of " efficient; energy-conservation; safety; environmental protection " of " all things on earth ".
The GPS GPS is the abbreviation of (GloBal Positioning System), this system is that the U.S. provides real-time, round-the-clock and global navigation Service for three big fields, land, sea and air, and is used for some military purposes such as information acquisition, nuclear blast monitoring and emergency communication.At present GPS has opened civilian end, and the user captures by the selected satellite to be measured of certain satellite cutoff angle by gps signal receiver, when receiver acquisition behind the satellite-signal of following the tracks of, just can demodulate data such as satellite orbit parameter according to certain method.The service that GPS provides to the whole world all is free, and passive location navigation and time service when service is being provided, can bearing accuracy at 10m, can be fit to navigation and positioning service fully.
The abbreviation of GPRS general packet radio service technology (General Packet Radio Service), it is a kind of mobile data services that the gsm mobile telephone user can use.GPRS is to transmit with package (Packet) formula with continuously different in the mode of channel transmission in the past, so the expense that the user bears is to calculate with its data transmission unit, is not to use its whole channel, and the transfer rate maximum of GPRS can reach 115KBps.The user can also stably transmit jumbo high quality audio and video file, the transfer rate height with this technical transmission note data.The GPRS technology can be served the note data transmission preferably.
Summary of the invention
For solving the problems of the technologies described above, the purpose of this invention is to provide the two field emission sources in a kind of electromagnetic field and gamma field safe locating device, by this radioactive source storehouse, locate the reflection sources position fast, improved the level of radioactive source unmanned online management.
Purpose of the present invention realizes by following technical scheme:
The radioactive source storehouse comprises gamma field locating device, electromagnetic field radioactive source locating device, storehouse, source entrance guard device, high definition supervising device, sound and light alarm apparatus and outdoor GPS and GPRS locating device; Described
Gamma field locating device is used for obtaining the residing position of radioactive source, and radioactive source is carried out the static state monitoring;
Electromagnetic field radioactive source locating device is used for the electromagnetic field of radioactive source pig is positioned, and realizes the dynamic monitoring of pig device in the electromagnetic field;
Storehouse, source entrance guard device disposes the RFID electronic tag, is used for the object that monitoring is moved into one's husband's household upon marriage;
The high definition supervising device is monitored in real time to mobile object, and with the vision signal real-time Transmission in administrative center;
The sound and light alarm apparatus exceeds standard with radiological dose for the monitoring radioactive source is stolen, sends audible and visible alarm;
Outdoor GPS and GPRS locating device are used for location, radioactive source storehouse, and the information in the storehouse, long-range transmission source.
Compared with prior art, one or more embodiment of the present invention can have following advantage:
The two field emission sources in electromagnetic field and gamma field safe locating device takes place stolen in the storehouse, source, warning message can be received in the machine room center, and quick position, located irradiation source, has improved the level of radioactive source unmanned online management.
Help the preservation state of real-time prosecution radioactive source in the storehouse, source.
The two field emission sources in electromagnetic field and gamma field safe locating device is taken out when outdoor stolen, and the GPS+GPRS locating module of design can send warning message to the machine room center, help the quick lock in source positions, has strengthened the security protection dynamics of radioactive source.
To the wireless supervision of radioactive source facility, help the preservation state of real-time prosecution radioactive source in the storehouse, source, improved the security that radioactive source is placed.
Realize the online detection of radiation metering to radiating in a steady stream the storehouse, guaranteed Environmental security.
Comparatively fast the located irradiation source allows the staff know situation about taking place in the storehouse, source fast in the position of storehouse, source leakage.
Other features and advantages of the present invention will be set forth in the following description, and, partly from instructions, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in instructions, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of instructions, is used for jointly explaining the present invention with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the two field emission sources of electromagnetic field and gamma field safe locating device library structure synoptic diagram;
Fig. 2 is storehouse, source electromagnetic field, gamma field workflow structural representation;
Fig. 3 is the structural representation of electromagnetic field locating module workflow;
Fig. 4 is the structural representation of gamma field locating device workflow.
Wherein 1 is that gamma field locating device, 2 is that electromagnetic field radioactive source locating device, storehouse, 3 source entrance guard device, 4 are that high definition supervising device, 5 is that sound and light alarm apparatus, 6 is outdoor GPS and GPRS locating device.
Embodiment
Understand easily, according to technical scheme of the present invention, do not changing under the connotation of the present invention, one of ordinary skill in the art can propose a plurality of frame mode of the present invention and method.Therefore following embodiment and accompanying drawing only are specifying of technical scheme of the present invention, and should not be considered as of the present invention all or be considered as restriction or the restriction of technical solution of the present invention.
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing.
Fig. 1 is according to the structural representation of the two field emission sources of the electromagnetic field of the embodiment of the invention and gamma field safe locating device, below with reference to Fig. 1, describes the various piece of the embodiment of the invention and the function of various piece in detail.
As shown in Figure 1, the two field emission sources in electromagnetic field of the present invention and gamma field safe locating device structure comprises: gamma field locating device 1, electromagnetic field radioactive source locating device 2, storehouse, source entrance guard device 3, high definition supervising device 4, sound and light alarm apparatus 5 and outdoor GPS and GPRS locating device 6; Described gamma field locating device is used for obtaining the residing position of radioactive source, and radioactive source is carried out the static state monitoring; Electromagnetic field radioactive source locating device is used for the electromagnetic field of radioactive source pig is positioned, and realizes the dynamic monitoring of pig device in the electromagnetic field; Storehouse, source entrance guard device disposes the RFID electronic tag, is used for the object that monitoring is moved into one's husband's household upon marriage; The high definition supervising device is monitored in real time to mobile object, and with the vision signal real-time Transmission in administrative center; The sound and light alarm apparatus exceeds standard with radiological dose for the monitoring radioactive source is stolen, sends audible and visible alarm; Outdoor GPS and GPRS locating device are used for location, radioactive source storehouse, and the information in the storehouse, long-range transmission source.
As shown in Figure 2, band RFID function radioactive source pig is connected with ZigBee transport module, audible-visual annunciator with the happiness video camera by electromagnetic field locating module, gamma field locating device respectively, and described audible-visual annunciator is connected with the GPRS module by ZigBee route GPS outside entrance guard management and the storehouse, source; ZigBee route GPS is connected with the GPRS module outside described ZigBee transport module and the storehouse, source, and ZigBee route GPS realizes the workflow of storehouse, source electromagnetic field, gamma field with the GPRS module by being connected secondary administrative center and one-level management center outside the storehouse, source then.
Present embodiment has been set up the location electromagnetic field of multizone, and the wireless active RFID chip in this electromagnetic field on each radioactive source pig of location is realized the electromagnetic field positioning function to the radioactive source pig.Present embodiment has designed subregional a plurality of wireless transmitting terminals above the storehouse, source, each transmitting terminal is constantly launched location electromagnetic wave, receiving end sends answer signal after receiving electromagnetic wave, and transmitting terminal is according to transmitting and receiving the achieve a butt joint position location of receiving end of mistiming.Realize the pig device in dynamic monitoring in electromagnetic field, monitoring pig occurred level and vertical displacement situation are monitored the real time position of pig.
As shown in Figure 3, above-mentioned electromagnetic field radioactive source locating device comprises RFID electronic tag pig, active RFID card reader, MCU, ZigBee module and outdoor ZigBee routing node, and described active RFID card reader is connected with described ZigBee module by MCU.
Above-mentioned MCU is ATmega16 single-chip microcomputer cheaply, comprises jtag interface, timer conter, and serial USART, 8 tunnel 10 ADC, WatchDog Timer, the SPI serial port, software is selected battery saving mode.The design detection of power loss, electrify restoration circuit.
Above-mentioned ZigBee module adopts the ZigBee module of low-power consumption, and the RF wireless receiving and dispatching of the 2.4GHZ of the integrated symbol platform of module IEEE802.15. standard has good wireless receiving sensitivity and strong anti-interference.In the storehouse, source, use star network to realize communication, the star network configuration is by a telegon (the total route of ZigBee outside the storehouse, source) and a plurality of from equipment (each ZigBee module in the storehouse, source), according to system requirements, realize communicating by letter with the total route ZigBee outside the storehouse, source, adopt the SPI synchronous serial communication between each module and the single-chip microcomputer, guarantee data transmission real-time.
Above-mentioned active RFID card reader: and carry out SPI synchronous serial communication fast between the MCU, card reader can be located and be read the active electronic label of specifying on the pig, guarantees pig detection and localization in the storehouse, source.
The design of room area electromagnetic field location
According to varying in size of radioactive source storehouse, supervise storehouse, source internal source the subregion, so that monitoring network covers whole radioactive source storehouse.Locator meams mainly adopts the active RFID card reader to read the data of active RFID electronic label, and the active RFID card reader reads radius can reach 100 meters, can read the data message on a plurality of active electronic labels.Adopted a plurality of active RFID card reader to position in the storehouse, source, in case being pasted with the pig occurrence positions of RFID electronic tag moves, different card reader will monitor, take remote ZigBee communication between the different card reader, can draw out movement locus in the pig according to the detection information on the different card reader.
Entrance guard device in the storehouse, source
Above-mentioned entrance guard device disposes the radioactive source pig of RFID electronic tag.Gate control system has been utilized the RFID technology, storehouse, source gate inhibition mainly is the object that monitoring is moved into one's husband's household upon marriage, and this design needs to cooperate the radioactive source pig of band RFID electronic tag, for double monitoring, when radioactive source pig and radioactive source dispatch from the factory, all paste powerful electronic tag (preventing from tearing to pieces).When supporting pig passed through the gate inhibition, the card reader of gate inhibition's end can recognize electronic labeling information, in case there is people's unregistered (theft) to take out the storehouse, source, the audible-visual annunciator that is connected with the gate inhibition gives the alarm.
Be equipped with the high speed rig camera in the storehouse, source
Above-mentioned high definition camera head and Surveillance center's network connection.The real-time pictures monitoring is carried out at the radioactive source scene, can carry out track up to mobile object in the picture.Video monitoring system at radioactive source mainly is made up of front monitoring front-end, transmission network and Surveillance center's three parts.Can remote real-time monitor and the function of Remote video camera.Can be with the on-the-spot real-time working state of radioactive source and other real time video signals, the real-time administrative center that is transferred to makes the monitoring management personnel home-confined, the situation in the monitor source storehouse.Management for convenience, camera shooting and video is more than 1 year in the calculating function storage storehouse, source.
The sound and light alarm apparatus is installed in the storehouse, source
Computing machine and total ZigBee route link to each other in above-mentioned audible-visual annunciator and the radioactive source storehouse, in case the monitoring radioactive source stolen, radiological dose takes place exceeds standard in the storehouse, source, send audible and visible alarm.
Multiple supervisory network design
GPS+GPRS network: among the design, outside each storehouse, source, the GPS+GPRS device has been installed, GPS is used for location, storehouse, source, the GPRS net is used for long distance and sends storehouse, source internal information, but the warning dynamic color picture in the transmission sources storehouse, radiological dose abnormal information, radioactive source archive information, Yuan Ku location locating information etc. also are fit to secondary administrative center and send the warning locating information to the one-level management center.
The ZigBee network: in the storehouse, source, each active RFID card reader realizes communicating by letter with wireless ZigBee, and ZigBee obtains the information that reads on the card reader, and each ZigBee module is communicated by letter with the ZigBee route implementing outside the storehouse, source in the storehouse, source.If the storehouse, source is very big, design secondary ZigBee route in the storehouse, source sends detected information in the storehouse, source through secondary ZigBee route total route outside wall earlier.ZigBee is a kind of emerging closely low-power consumption, radio network technique cheaply, and transmission range can reach 1~2km, is fit to the radioactive source library information and sends near the storehouse, source machine room center, realizes that the machine room center is than remote monitor.
Internet:
Main frame in the storehouse, source is connected with Internet, can be implemented in the monitoring camera information in the storehouse, remote watching source, monitoring room center, realizes source library information real-time report administrative center and relevant departments.
As shown in Figure 4: comprise 5 gamma detectors, NaI crystal counter, MCU, ZigBee module, power supply, outdoor ZigBee route summarization point.The NaI detector configuration has wireless ZigBee module, and the ZigBee module is connected with described NaI detector by MCU.
Five point gamma fields location: at the top in storehouse, source and surroundings wall gamma detector based on the NaI crystal has been installed all, can have been set up the radioactive source gamma field distribution in the origin storehouse in real time.Because the gamma field that each radioactive source discharges is to present exponential damping law in air, obtain so will be surveyed respectively by 5 gamma detectors, according to the calibration coefficient that can determine in advance each gamma detector to the distance of gamma field and the scale relation curve of radiation dose, therefore 5 gamma detectors convert the radiation dose that detects and calibration coefficient respectively and obtain the respective distances of each moving radiographic source and 5 gamma detectors, resolve by spatial fit and can obtain residing position, current moving radiographic source.
Radioactive source detects: pig is not subjected to displacement the radioactive source monitoring under the situation.If someone opens pig, perhaps radiological dose exceeds standard or higher in the storehouse, source, utilize difference, the dosage difference of each monitoring location, the data location (five classical point location methods) that utilizes the NaI detector of five faces wherein to collect, volume coordinate in the locating source storehouse, handle through software, can actual location arrive each pig.Realized the static state monitoring of radioactive source, in case there is the people directly to take radioactive source away, the CPU in the module judges that through algorithm bigger change in location has taken place radioactive source, sends warning message by the ZigBee module that is connected with NaI, reports to the police to administrative center.
Storehouse, source electromagnetic field and the design of gamma field bound fraction: the wireless ZigBee module of an electromagnetic field of each NaI detector configuration of gamma field, module CPU can handle the information of NaI detector output, judge the positional information of radioactive source, positional information is transferred to wireless ZigBee.Can intercom mutually between the ZigBee of five faces simultaneously, in order to calculate bee-line.
Though the disclosed embodiment of the present invention as above, the embodiment that described content just adopts for the ease of understanding the present invention is not in order to limit the present invention.Technician in any the technical field of the invention; under the prerequisite that does not break away from the disclosed spirit and scope of the present invention; can do any modification and variation in the details of implementing that reaches in form; but scope of patent protection of the present invention still must be as the criterion with the scope that appending claims was defined.

Claims (8)

1. the two field emission sources in an electromagnetic field and gamma field safe locating device, it is characterized in that described radioactive source storehouse comprises gamma field locating device, electromagnetic field radioactive source locating device, storehouse, source entrance guard device, high definition supervising device, sound and light alarm apparatus and outdoor GPS and GPRS locating device; Described
Gamma field locating device is used for obtaining the residing position of radioactive source, and radioactive source is carried out the static state monitoring;
Electromagnetic field radioactive source locating device is used for the electromagnetic field of radioactive source pig is positioned, and realizes the dynamic monitoring of pig device in the electromagnetic field;
Storehouse, source entrance guard device disposes the RFID electronic tag, is used for the object that monitoring is moved into one's husband's household upon marriage;
The high definition supervising device is monitored in real time to mobile object, and with the vision signal real-time Transmission in administrative center;
The sound and light alarm apparatus exceeds standard with radiological dose for the monitoring radioactive source is stolen, sends audible and visible alarm;
Outdoor GPS and GPRS locating device are used for location, radioactive source storehouse, and the information in the storehouse, long-range transmission source.
2. the two field emission sources in electromagnetic field according to claim 1 and gamma field safe locating device, it is characterized in that, described gamma field locating device is based on the gamma detector of NaI crystal, and described gamma detector includes five at least, is installed in top and the surroundings wall in radioactive source storehouse respectively.
3. the two field emission sources in electromagnetic field according to claim 2 and gamma field safe locating device it is characterized in that the NaI detector configuration has wireless ZigBee module, and the ZigBee module is connected with described NaI detector by MCU.
4. the two field emission sources in electromagnetic field according to claim 1 and gamma field safe locating device, it is characterized in that, described electromagnetic field radioactive source locating device comprises RFID electronic tag pig, active RFID card reader, MCU, ZigBee module and outdoor ZigBee routing node, and described active RFID card reader is connected with described ZigBee module by MCU.
5. the two field emission sources in electromagnetic field according to claim 1 and gamma field safe locating device is characterized in that storehouse, described source entrance guard device links to each other with described sound and light alarm apparatus.
6. the two field emission sources in electromagnetic field according to claim 1 and gamma field safe locating device is characterized in that described high definition supervising device is made up of front monitoring front-end, transmission network and Surveillance center, and real time remote monitors and the Remote shooting.
7. the two field emission sources in electromagnetic field according to claim 1 and gamma field safe locating device is characterized in that, computing machine links to each other with outdoor ZigBee route in described acoustic-optic alarm and the storehouse, source.
8. the two field emission sources in electromagnetic field according to claim 1 and gamma field safe locating device is characterized in that the information in the described storehouse comprises warning dynamic color picture, radiological dose abnormal information, radioactive source archive information and Yuan Ku location locating information.
CN201310224534.8A 2013-06-07 2013-06-07 A kind of electromagnetic field and gamma field two field emission sources safe locating device Expired - Fee Related CN103337134B (en)

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Cited By (4)

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CN103971474A (en) * 2014-05-19 2014-08-06 攀钢集团矿业有限公司 Monitoring system for radioactive source
CN104077648A (en) * 2014-04-01 2014-10-01 中科宇图天下科技有限公司 RFID-tag-based radioactive source temporary storage library managing system and method
CN106404807A (en) * 2016-11-08 2017-02-15 邦达诚科技(常州)有限公司 Work monitoring system of diagnostic machine and monitoring method thereof
CN107862747A (en) * 2017-11-09 2018-03-30 中国工程物理研究院材料研究所 A kind of gamma ray radiator augmented reality method and system

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CN104077648A (en) * 2014-04-01 2014-10-01 中科宇图天下科技有限公司 RFID-tag-based radioactive source temporary storage library managing system and method
CN104077648B (en) * 2014-04-01 2017-07-25 中科宇图天下科技有限公司 Radioactive source temporary library management method based on RFID tag
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CN106404807A (en) * 2016-11-08 2017-02-15 邦达诚科技(常州)有限公司 Work monitoring system of diagnostic machine and monitoring method thereof
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CN107862747B (en) * 2017-11-09 2020-04-21 中国工程物理研究院材料研究所 Gamma radioactive source augmented reality method and system

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