An optical fiber speed measuring device

Abstract

An optical fiber speed measurement device comprises a housing, a blank flange, a rotation shaft and an impeller, and symmetrical gaps are arranged on a blanking disc; the blank flange is provided witha housing, one ends of a transmitting optical fiber and a receiving optical fiber are connected with an excitation light source and a photoelectric converter, the other ends of the excitation light source and the photoelectric converter are located at the upper portion of the blanking disc and correspond to the two gaps on the blanking disc; a transfer optical fiber is located at the lower portion of the blanking disc, and two ends of the transfer optical fiber respectively correspond to one end of the transmitting optical fiber and the receiving optical fiber; when the blanking disc is rotated, the light emitted by the excitation light source is transmitted to the photoelectric converter by passing through the transmitting optical fiber, one of the gaps of the blanking disc, the transferoptical fiber, the other one of the gaps of the blanking disc and the receiving optical fiber, the photoelectric converter converts the transmitted optical signals to electrical signals and transmitsthe electrical signals to a processor, the processor performs calculation of the electrical signals, and an obtained result is stored in a storage module. The optical fiber speed measurement device can perform detection of the flow speed of a pipeline medium.

Description

technical field [0001] The invention relates to an optical fiber speed measuring device. Background technique [0002] Pipelines are a widely used means of material transportation in the fields of industry, energy, military equipment, and urban construction. Urban tap water, sewage, natural gas, and industrial material transportation, water supply and drainage, and building ventilation systems all use a large number of complex and concealed pipelines. Ensuring the safety and effectiveness of these piping systems is of paramount importance. However, as the service life increases, oil leakage will inevitably occur in underground oil pipelines. If it is not dealt with in time, once an accident occurs, it will not only bring huge economic losses, but also a great waste of resources. Therefore, it is very necessary to regularly inspect and maintain the pipeline, that is, to effectively detect the pipeline. However, oil leaks like pipelines are relatively concealed and cannot b...

AI Technical Summary

Problems solved by technology

However, oil leaks like pipelines are relatively concealed and cannot be found through ordinary observation. Usually, it is necessary to measure various parameters such as the flow rate and velocity of the pipeline, and then comprehensively judge whether the pipeline is leaking.

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