Single-piston optical fiber flow sensor and detecting method thereof

Abstract

The invention provides a single-piston optical fiber flow sensor and a detecting method thereof. A sensor probe comprises a piston cylinder and a detecting box arranged on one side of the piston cylinder, wherein two ends of the piston cylinder are sealed by end caps; a piston is slidably arranged in the piston cylinder; a spring and a piston rod are arranged between the piston and each end cap; a detecting through hole is formed in each end cap; one end of each piston rod is fixed on the piston while the other end of the piston rod is slidably arranged in the corresponding detecting through hole; a reflecting component is fixed at an end of each piston rod; an optical fiber detecting end is further arranged at the other end of each detecting through hole; the detecting box communicates with each of cavities in two sides of the piston through a corresponding fluid channel; and the fluid channels and air sources are respectively arranged on two opposite sides of fluid in a circulating path inside the detecting box. The problems that most of existing flow sensors use the traditional power measurement mode, are not high in measurement precision and high in energy consumption, and cannot be used in a lot of places well are solved. The single-piston optical fiber flow sensor belongs to the field of flow detection.

Description

technical field [0001] The invention relates to a flow sensor and belongs to the technical field of flow sensor monitoring. Background technique [0002] In modern industrial production, especially in the automated production process, various sensors are often used to monitor and control various parameters in the production process, so that the equipment can work in a normal or optimal state, and the product can achieve the best quality. Sensors have already penetrated into a wide range of fields such as industrial production, space development, ocean exploration, environmental protection, resource investigation, medical diagnosis, bioengineering, and even cultural relic protection. The present invention is one of many types of sensors - flow sensors. With the development of sensor technology, a variety of flow sensors have appeared, the most commonly used are vane type, vortex type, Karman scroll type, hot wire type and so on. However, sensors such as vane-type, vortex-st...

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Problems solved by technology

[0003] The purpose of the present invention is to provide a single-piston optical fiber flow sensor and its detection method to solve the problem that existing flow sensors mostly use traditional dynamic measurement methods, which have limitations such as low measurement accuracy and high energy consumption, and cannot be used in many occasions. Well Competent Questions

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