Tritium surface pollution measuring instrument

A surface contamination and measuring instrument technology, used in measuring devices, radiation measurement, X / γ / cosmic radiation measurement and other directions, can solve the problems of high price and difficult to widely use, and achieve low production cost, high detection sensitivity and precision. , the effect of improving work efficiency

Inactive Publication Date: 2017-09-08
中广核久源(成都)科技有限公司 +1
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the LB100 tritium monitor developed by BERTHOLD Company in Germany uses pulse discrimination technology to suppress the β or γ ray background of interfering nuclides, and uses α energy discrimination technology and α-β false coincidence method to detect nat...

Method used

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  • Tritium surface pollution measuring instrument

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Embodiment Construction

[0018] The specific implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific examples.

[0019] Such as figure 1 As shown, a tritium surface pollution measuring instrument includes a detector 2, a measuring instrument host 3, a display screen 7, an air inlet 9 and a supporting foot 10. The detector is a flow-type proportional counter, which consists of a metal hemispherical negative electrode and The metal ring tungsten wire positive electrode inside is composed of a metal ring, and a detector protective cover 1 for protecting the internal structure of the detector is arranged at the detector exit. An organic casing is arranged around the main body of the measuring instrument, and the main body of the measuring instrument includes a signal acquisition Module, signal processing circuit, microprocessor, power supply module, data communication module and counting control display circuit, th...

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Abstract

The invention provides a tritium surface pollution measuring instrument, comprising a detector, a measuring instrument main machine, a display screen, an air inlet mouth, and a support leg. The detector is a gas-flow-type proportional counter and is formed by a metal hemispherical-shaped cathode and a metal annular-shaped tungsten wire anode in the cathode. The measuring instrument main machine comprises a signal acquiring module, a signal processing circuit, a microprocessor, a power supply module, a data communication module and a counting control and display circuit. The anode of the detector is connected with the output of the power supply module and is connected with the input of the signal acquiring module through a signal line. The signal acquiring module is connected with the signal processing module so as to be connected with the microprocessor. The microprocessor is connected with the power supply module, the data communication module and the counting control and display circuit. The display screen is articulated with the measuring instrument main machine through the display screen articulation chains. The surface and the side face of the display screen are provided with pressing keys and USB interfaces. The other end at the upper surface of the measuring instrument main machine is provided with a handle. The air inlet mouth is arranged at one side of the measuring instrument main machine. The bottom of the measuring instrument main machine is provided with the support leg and a battery box.

Description

technical field [0001] The invention belongs to an instrument for measuring pollution level, which is particularly suitable for pollution measurement of radioactive material operation sites, including measuring the pollution level of beta rays to the environment, especially a tritium surface pollution measuring instrument. Background technique [0002] The pollution level of the tritium surface is indirectly measured by measuring the pollution of the tritium surface by measuring β-rays, so as to achieve the purpose of monitoring, so as to ensure the personal safety of the working personnel. [0003] At present, the research on the measurement method of β surface pollution has been carried out at home and abroad, but because tritium is a low-energy β ray, the general instrument for measuring β ray is not sensitive to the measurement of tritium, so for the measurement of tritium surface pollution, Special measuring instruments are required. [0004] There are three types of m...

Claims

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Application Information

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IPC IPC(8): G01T1/167
CPCG01T1/167
Inventor 罗渠
Owner 中广核久源(成都)科技有限公司
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