Single radioactive source positioning device and method
A technology of positioning device and positioning method, which is applied in the directions of measurement device, neural learning method, radiation measurement, etc., can solve the problems that the rapid positioning of radioactive sources cannot be carried out effectively, cannot meet the requirements of radioactive source positioning, and the cost of detectors is high, and achieve positioning. The effect of high speed, high positioning accuracy and low requirements for personnel quality
Pending Publication Date: 2022-01-28
NANJING UNIV OF SCI & TECH
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Problems solved by technology
However, the angular resolution of this method is too low to meet the requirements of radioactive source location.
There is also a device for locating the radioactive source with a single aperture, but this method takes too long to effectively locate the radioactive source quickly
Some equipment may use a group of detectors to locate the radioactive source, but the cost of the detectors is high, and the use of multiple detectors for detection will increase the cost
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[0035] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
[0036] A single radioactive source localization device comprising:
[0037] a cylindrical gamma detector;
[0038] The cylindrical gamma detector is set in the cylindrical code plate;
[0039] The cylindrical gamma detector is externally connected with a multi-channel analyzer and an embedded PC.
[0040] Among them, grooves are engraved at every certain angle around the cylindrical coding plate, and the grooves are guaranteed to be unique every 90 degrees. The width of the groove can be fixed within a certain range and the size of the groove can be changed. It can also be cut according to the detection requirements. Grooves with different opening directions.
[0041] The uniqueness of every 90° of the cylindrical coding plate is designed according to the opening area and opening direction. If you want to further increase the positioning speed, ...
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The invention discloses a single radioactive source positioning device and method. The device comprises a cylindrical code plate, a cylindrical gamma detector, a multichannel analyzer and an embedded PC. The positioning method is used when out-of-control single gamma radiation is searched. The cylindrical coding plate is used for regularly blocking rays, the obtained rule is analyzed through an artificial intelligence method, and therefore the position of a radioactive source is rapidly obtained. The device has the advantages of being small in size, convenient to operate, low in manufacturing cost, accurate in measurement and the like, and has wide application prospects in the aspects of single radioactive source positioning and measurement.
Description
technical field [0001] The invention relates to a single radioactive source positioning device and method, and relates to the field of radioactive source positioning. Background technique [0002] With the progress and development of society, radioactive sources are more and more widely used in the manufacturing process. On the one hand, this has promoted the level of social production and brought more benefits and benefits to mankind. At the same time, the widespread use of radioactive sources has also increased the probability of radioactive source accidents. Once the radioactive source is lost, it will have a huge impact on the ecological environment and public health. After a radioactive source loss accident occurs, it is necessary to minimize the exposure time to the outside world and find the lost radioactive source quickly and accurately at the first time. [0003] Traditional detection techniques include various types of fixed monitors and mobile radiation monitori...
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IPC IPC(8): G01T1/169G06N3/08
CPCG01T1/169G06N3/08Y02E30/30
Inventor 王鹏杨毅龚春慧刘颖汤晓斌
Owner NANJING UNIV OF SCI & TECH