Intelligent digital air pressure gauge based on AVR single-chip microcomputer

Abstract

The invention relates to an intelligent digital air pressure gauge based on an AVR single-chip microcomputer. The intelligent digital air pressure gauge is composed of an air pressure sensor 102, an amplifier 103, the AVR single-chip microcomputer 105, an A / D converter 104, a temperature sensor 107, a clock circuit 108, a communication circuit 109, an EEPROM memorizer 110, a keyboard 111, an LED digital displayer 112 and the like. The intelligent digital air pressure gauge is characterized in that under the influence of changes of temperature, a magnetic field and other complex environment factors, the AVR single-chip microcomputer is adopted, output signals of the pressure sensor are processed based on an intelligent optimization technology, temperature compensation of the pressure signals is achieved, and measurement precision of the digital air pressure gauge is improved. According to the intelligent digital air pressure gauge, the detection requirements of being easy to use, high in intelligence degree, high in measurement precision, small in size and convenient to carry are met.

Description

technical field [0001] The invention relates to a detection system, in particular to an intelligent detection technology, and more particularly to an intelligent digital barometer system based on an AVR single-chip microcomputer. Background technique [0002] In recent years, with the continuous improvement of measurement technology requirements in modern society, digital barometer technology has rapidly developed into a very important technology in the field of modern information processing, and plays an irreplaceable role in many fields: in meteorological stations, Use high-precision barometers to measure pressure and predict weather changes; in terms of environmental protection, use digital barometers to measure pressure to measure the quality of the environment; in mines, use barometers to measure underground air pressure to ensure work safety; The barometer disciplines the experimental environment; in addition, the barometer can also be used as an altimeter to measure...

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to address the characteristics of traditional barometers such as low readability, single function, poor practicability, inaccurate measured values, large volume, and uncompact structure, as well as existing detection techniques and methods. The limitations of the digital barometer are designed by using the intelligent optimization method based on the AVR single-chip microcomputer, so as to achieve the detection standard of simple use, high degree of intelligence, high measurement accuracy, small size and convenient portability

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