Ambient neutron dose equivalent meter

A technology of ambient dose equivalent and neutron energy, applied in scintillation detector measurement and other directions, can solve the problems of unsuitable outdoor use, low sensitivity of the instrument, large volume, etc., to achieve easy calibration and on-site measurement, good angular response, and convenient carrying effect

Inactive Publication Date: 2011-05-04
上海新漫传感科技有限公司
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  • Abstract
  • Description
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Problems solved by technology

[0009] The purpose of the present invention is to provide a neutron surrounding dose equivalent meter to solve the existing problems of the existing neutron surrounding dose equivalent meter, such as low instrument sensitivity, large volume, bulky, unsuitable for outdoor use, etc.

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Embodiment Construction

[0033] 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 embodiments.

[0034] The neutron peripheral dose equivalent meter of the present invention is mainly used to solve the problems of the existing neutron dose equivalent meter such as low sensitivity, large volume, bulky and unsuitable for outdoor use due to the detection elements selected in the neutron probe.

[0035] Such as figure 1 As shown, the neutron surrounding dose equivalent meter of the present invention includes a neutron probe 10, a neutron energy response regulator 20 and a control system 30; wherein, during installation, the signal output terminal of the neutron probe 10 and the control system 30 The signal input end of the neutron probe 10 is connected to the signal input terminal of the neutron probe 10, so that the signal of the neutron probe 1...

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Abstract

The invention aims to disclose an ambient neutron dose equivalent meter. The ambient neutron dose equivalent meter is characterized by comprising a neutron probe, a neutron energy response adjustor and a control system, wherein a neutron detection element is arranged in the neutron probe, the neutron detection element is 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, and the neutron probe is placed at the position of the geometric center of the neutron energy response adjustor. Because the photomultiplier with high sensitivity is used as a photoelectric converter, the meter has light weight, portability, sensitive neutron response and good angle response, can accurately measure the ambient neutron dose equivalent level, has sound and light alarm function, is used for ambient neutron radiation monitoring of large nuclear facilities such as reactors, high-energy particle accelerators and the like, ensures neutron radiation safety of the ambient and the public, and fulfills the purpose of the invention.

Description

technical field [0001] The invention relates to a neutron detector, in particular to a neutron surrounding dose equivalent meter for neutron field monitoring. Background technique [0002] In recent years, my country's neutron application technology has developed rapidly, neutron logging, neutron photography, neutron activation analysis, etc. ; In addition, because of its unique biological characteristics, neutron radiation therapy has been paid more and more attention. These nuclear facilities and neutron source application sites will produce neutron radiation in their surrounding environment, causing environmental pollution and damage to personnel health, so neutron radiation around nuclear facilities and neutron source sites must be monitored. In these occasions where neutron radiation exists, neutron dose equivalent is a routine monitoring item. Therefore, there is a large market demand for neutron surrounding dose equivalent instruments for detecting neutron dose equiva...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T3/06
Inventor 康小涛吴斌罗垚孙刚李兆龙宋建安徐强赵文渊
Owner 上海新漫传感科技有限公司
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