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2014•Yibiao jishu yu chuanganqiRequires access

New Type of Ultrasonic Flowmeter

Yan Jin-zho

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Abstract

Ultrasonic flowmeter has important applications in the measure of flow,in order to solve the low precision of ultrasonic flowmeter,a new type of ultrasonic flowmeter based on time difference method was designed. The EFM32TG110F32 MCU was applied as the unit,the GP21 was used to measure the time downstream and upstream of ultrasound in liquid,and it used verifying and table lookup technology in the handing of data. It used non-contacted infrared communication in data transmission,the design has the advantage of simple structure,low power dissipation and high precision measurement,the error is within ± 1%.

About this research paper

What this paper is about

Ultrasonic flowmeter has important applications in the measure of flow,in order to solve the low precision of ultrasonic flowmeter,a new type of ultrasonic flowmeter based on time difference method was designed. The EFM32TG110F32 MCU was applied as the unit,the GP21 was used to measure the time downstream and upstream of ultrasound in liquid,and it used verifying and table lookup technology in the handing of data. It used non-contacted infrared communication in data transmission,the design has the advantage of simple structure,low power dissipation and high precision measurement,the error is within ± 1%.

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Available abstract

Ultrasonic flowmeter has important applications in the measure of flow,in order to solve the low precision of ultrasonic flowmeter,a new type of ultrasonic flowmeter based on time difference method was designed. The EFM32TG110F32 MCU was applied as the unit,the GP21 was used to measure the time downstream and upstream of ultrasound in liquid,and it used verifying and table lookup technology in the handing of data. It used non-contacted infrared communication in data transmission,the design has the advantage of simple structure,low power dissipation and high precision measurement,the error is within ± 1%.

Key concepts: Ultrasonic sensor, Flow measurement, Ultrasonic flow meter, Microcontroller, Measure (data warehouse), Acoustics, Electronic engineering, Computer science

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