Doser used for measuring and diagnosing quality of X-ray machine and measuring method

Abstract

The invention relates to an X-ray doser, in particular to a doser used for measuring and diagnosing quality of an X-ray machine and a measuring method. The doser comprises a semiconductor detector array (1), a preposition current amplifier (2), channel switch modules (3), adjustable gain amplifiers (4), analog-to-digital converters (5), a measuring trigger circuit (6), a single chip microcomputer controller (7), a power supply circuit (8) and a bluetooth wireless transmission module. Through the integration of various parameter measuring functions, the doser and the measuring method realize that tube voltage, exposure time, dose, dose rate and half-value layer of the X-ray can be measured and diagnosed; a plurality of parameter measurement results of the X-ray can be obtained at the same time through only one time of exposure; the high-power Bluetooth wireless transmission technology is adopted and the transmitted measurement data is processed through a laptop, so that remote control and real-time measurement can be realized and unnecessary irradiation dose can be avoided, as a result, the measurement process is convenient and quick to operate.

Description

technical field [0001] The invention relates to an X-ray dosimeter, in particular to a dosimeter for measuring the quality of a diagnostic X-ray machine and a measuring method thereof. Background technique [0002] Diagnostic X-rays are electromagnetic radiation waves with very short wavelengths, which have high penetrating power and can pass through many substances that are opaque to visible light. The penetrating power of X-rays is related to the density of substances. Using the property of differential absorption can distinguish substances with different densities, so it is widely used in medical diagnosis. Diagnostic X-rays are generally produced by X-ray tubes, and the tube voltage ranges from 20kV to 150kV. The multi-parameter measurement in this patent includes the measurement of tube voltage, exposure time, dose, dose rate and half-value layer. [0003] With the continuous development of radiological diagnostic technology, X-ray diagnosis has become an indispensable...

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Problems solved by technology

[0008] Under the financial support of the national major scientific instrument and equipment development project "Development and application of new ionizing radiation detection instruments and key components (project number: 2013YQ090811)", a dosimeter and its measurement method for measuring the quality of diagnostic X-ray machines are provided. Solve the problem that the existing technology for measuring the quality of diagnostic X-rays cannot measure multiple parameters at the same time, resulting in complex measurement procedures, long time-consuming, and excessive measurement equipment

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