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实用新型
CN210038175U 一种用于测量放射性惰性气体活度的探测器 失效 - 权利终止

一种用于测量放射性惰性气体活度的探测器
摘要：
本实用新型涉及核防护技术领域，提供一种用于测量放射性惰性气体活度的探测器，包括取样腔体、塑料闪烁体、光导、光电倍增管、电路板等。取样腔体为圆柱形结构，由薄壁不锈钢材料制作，圆柱底部留有校准孔，并配有校准孔塞，探测元器件由塑料闪烁体、光导及光电倍增管组成，探测元器件的外壳为薄壁不锈钢密封结构，塑料闪烁体与取样腔体间采用超薄钛膜隔绝，在保证探测效率的前提下可以有效避免放射性惰性气体对闪烁体的污染。本实用新型用于测量放射性惰性气体活度的探测器，结构简单，灵敏度高，运行稳定。
摘要（英）：

The utility model relates to the technical field of nuclear protection, and provides a detector for measuring activity of radioactive inert gas, which comprises a sampling cavity, a plastic scintillator, a light guide, a photomultiplier, a circuit board and the like. The sampling cavity is of a cylindrical structure; manufacturing from thin-walled stainless steel material, a calibration hole is formed in the bottom of the cylinder; the detection component is composed of a plastic scintillator, a light guide and a photomultiplier, a shell of the detection component is of a thin-wall stainless steel sealing structure, the plastic scintillator is isolated from the sampling cavity through an ultrathin titanium film, and pollution of radioactive inert gas to the scintillator can be effectivelyavoided on the premise that the detection efficiency is guaranteed. The detector for measuring the activity of the radioactive inert gas is simple in structure, high in sensitivity and stable in operation.

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