Card type personal neutron dosimeter

A neutron dose, card-type technology, applied in the field of card-type personal neutron dosimeters, can solve the problems of poor data readability, low sensitivity, no alarm function, etc., and achieve sensitive neutron response, small size, and light weight Effect

Inactive Publication Date: 2011-05-04
上海新漫传感科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a card-type personal neutron dosimeter to solve the problems of low sensitivity, poor data readability and lack of alarm function in existing personal neutron dose monitoring equipment

Method used

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  • Card type personal neutron dosimeter
  • Card type personal neutron dosimeter
  • Card type personal neutron dosimeter

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Embodiment Construction

[0025] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0026] Such as figure 1 Shown, the card type personal neutron dosimeter of the present invention, it comprises a neutron probe 10 and a control system 20, the signal output end of neutron probe 10 is connected with the signal input end of control system 20, is controlled by control system 20 The signal from the neutron probe 10 is processed.

[0027] Such as figure 2 As shown, the neutron probe 10 is composed of a shielding shell 11, a neutron detection element 12, a light guide 13, a photoelectric converter 14 and a charge-sensitive preamplifier circuit 15, and the neutron detection element 12, a light guide 13, a photoelectric converter 14 and a charge The sensitive preamplifier circuits 15 are sequentially connected to each other and arran...

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Abstract

The invention aims to disclose a card type personal neutron dosimeter. The card type personal neutron dosimeter comprises a neutron probe and a control system, wherein the neutron probe is provided with a neutron detection element which is a europium-doped lithium iodide scintillation crystal; the signal output end of the neutron probe is connected with the signal input end of the control system; the signals of the neutron probe are processed by the control system; the 6LiI (Eu) scintillation crystal is used as the neutron detection element; and a matched photodiode is used as a photoelectric transducer. The card type personal neutron dosimeter is light in weight, is convenient to carry, can sensitively response neutrons, can determine the dose equivalent of the whole-body neutrons received by a person, has the alarming functions such as sound, light, vibration and the like, can be used for monitoring personal neutron dose of radioactive employees so as to ensure that the neutron radiant quantity at the surrounding environment of the radioactive employees is within the safe range, thereby achieving the purpose of the invention.

Description

Technical field: [0001] The invention relates to a neutron dosimeter, in particular to a direct-reading card type personal neutron dosimeter. Background technique: [0002] In the case of neutron radiation, neutron dose is a routine monitoring item. In recent years, neutron application technology in my country has developed rapidly, and neutron logging, neutron photography, neutron activation analysis, etc. have been widely used. A large number of nuclear facilities such as various accelerator neutron sources, nuclear power plants, reactors and new thermonuclear reactors have been built. In addition, due to its unique biological characteristics, neutrons have also received increasing attention in neutron radiation therapy. People will have more opportunities to be exposed to neutron radiation, and neutrons are more harmful to the human body (the radiation weight factor of neutrons with energy in the range of 100keV-2MeV is 20), the personal neutron dose monitoring of radioa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T3/00G01T3/06
Inventor 李兆龙张燊孙刚陈杰丰徐强宋建安赵文渊
Owner 上海新漫传感科技有限公司
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