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Radioactivity Automatic Monitoring System for Vehicles with Beigou Channel in Zhongguang Nuclear Power Station

  • No:BG3500-430
  • Quantity:

    Systematic introduction

    BG3500-430 channel auto-monitoring system for vehicle radioactivity is a set of auto-monitoring system equipped with large volume and high sensitivity gamma-ray detectors. The system can real-time on-line monitoring of vehicle radioactivity in freight passage, find trace radioactive substances, automatically send out alarm of exceeding radiation limit, and complete the detection. Data storage. At the same time, the system can also be networked with the superior management system to form a remote real-time detection information system platform. The system can be used in many places, such as border and port, to detect whether radioactive substances are carried in vehicles and containers.

    System Composition Map


    Product characteristics

    1. A unique background discrimination algorithm is developed. By continuously detecting background radiation fluctuations and automatically adjusting reference points, the interference caused by background radiation changes in measurement is eliminated, and the problem of the influence of background radiation fluctuations on the sensitivity of detection system is solved.

    2. In addition to using large scintillating crystal detectors and equipped with double photomultiplier tubes to process signals, the system can greatly reduce interference and improve detection efficiency.30%。

    3. The system uses infrared device to detect whether the vehicle to be tested enters the measuring area and to monitor the speed of the vehicle.

    4. The relative position of the detected radiation in the car can be determined, and the front and rear dimensions of the suspected radiation in the car can be determined, so as to facilitate further searching for the suspected radiation.

    5. Natural Radioactive Substances(NORM) Recognition function can effectively eliminate the system false alarm caused by natural radioactive substances.

    6. Provide CD-ROM of all Chinese application software and relevant purchasing manual,The computer management software in the system is operated in Chinese with friendly interface. It provides convenient, convenient and comprehensive operation mode according to the actual operation process of workers on the testing site.

    7. Realize the function of remote monitoring. It can use one or more computers or servers as the platform of remote monitoring. The application software and database of the platform are used to realize the remote monitoring of the local radioactive material monitoring system. The measurement results show that data storage, data statistical analysis, system control and maintenance, remote monitoring. Parameter setting, fault diagnosis and other functions.

    8. Based onTCP/IPThe protocol realizes the multi-point network control. The monitoring center can be composed of several computers, and a radioactive substance monitoring system can be monitored at the same time. The normal monitoring work can be guaranteed when a computer fails.;

    9. This monitoring system provides central database to realize database management function.,The equipment automatically synchronizes with the historical data of the center, which can store the monitoring data of the local radioactive material monitoring system in real time and pass in one day.100Vehicle Computing, Storable20Year data.

    10. Configuration of high-definition camera, real-time capture of monitoring images, and achieve synchronous storage and query of monitoring images and alarm data. Optional license plate recognition and container number recognition system can complete the automatic identification of vehicle license plate or container number.

    11. Real-time display of license plate number or other vehicle identification number and passing speed of current passing vehicle

    Applications: Port, wharf, metal smelting enterprise, scrap metal transfer base, airport, customs, etc.

    Technical parameters

    Detector:4Group plastic scintillators+Double Low Noise Photomultiplier Tube, Single Crystal Sensitive Volume30。 match38mmLead screen(5The interference of background to measurement is shielded, and each detector is redefined.150200kg(Detector)+Shell, expandable neutron detector;

    _Detection of gamma and_rays, energy range25keV3Mev

    _Controller Signal Processing Unit:32Bit EmbeddedA7The processor can query the system status and information on the spot.

    _Sensitivity: At the background level0.2μSv/hUnder, increase0.1μSv/h1Radiation alarm within seconds;

    _Detection probability: > or99.9%(Confidence)95%);

    _Misinformation Rate: <0.01%

    _Compliance with national standardsGBT24246-2009Radioactive Material and Special Nuclear Material Monitoring System《IAEA Nuclear Security Series No.1》 Technical requirements;

    Monitoring Area Range: Height0.14.5mWidth: Maximum5m

    Standard speed:8km/h

    Alarm prompt: sound and light alarm (distinguishable between radiation and overspeed alarm), alarm threshold adjustable, remote background management computer can be connected, equipped with dedicated background management software;

    Natural Radioactive Substances(NORM) Recognition function;

    Backup batteries: lead-acid batteries, working after power failure4Hours (excluding background computer systems);

    Background management computer system can record traffic, alarm data, capture images, and print reports automatically. It can be networked with higher management departments, and can choose automatic identification software for license plate and container number.

    Use of environmental conditions

    Working environment: temperature(-30℃~+50Temperature, humidity: less than95%(No condensation)

    Protection Level:IP65

    Main supply voltage range:110-240VACSingle phase50-60Hz(less than1A

    Installation CategoryII(Overvoltage level followsIEC1010-1Provisions)