管流發電系統與流量檢測應用

Pipe Flow Generator and Its application in Flow Metering System

何信億(Xin-Yi He)

指導教授 ： 王松浩

崑山科技大學/工程學院/機械工程研究所/碩士(2010年)

摘要

流量檢測系統已是當今社會一項重要之儀器，其用途為測量與控制流體流動之管道，包含如：化學製品、石油產業、觀光溫泉，食品加工以及居家住宅，與相關公共設施之相關流體管路。隨科技發展，其系統已進步具有先進之數位化之科學上發展；因其系統電力依然需以電池或一般電力提供，形成此系統最大使用之不便因素。
本研究之管流發電系統與流量檢測應用，由管路本身內部之流體驅動其發電機，同時產生之電力與流量訊號，其電力直接供給給予檢測系統使用，無需消耗任何電池與連接設置電力系統之不便。本研究針對其系統在不同之流量下，執行功率與發電量相關之實驗，以確認其系統之功率，是否可充足給予流量檢測系統使用；系統內之流量檢測，依參照市面之流量檢測儀器，作為本研究流量校正參考值，維持其系統準確性；未來本研究之發電系統將繼續提升其效能，以供給給予如：無線通訊與圖形顯示之電路軟體使用，無須耗用任何外部電力，提升其系統之效能與使用之範圍。

關鍵字

管流發電 ； 流量檢測

並列摘要

Flow metering devices are one of the most important apparatus to measure/control fluid flows in pipelines, including industries such as chemical/petroleum plants, as well as residential/municipal facilities. In recent years, the systems have advanced into digital era with the development of science and technology. However, batteries and wired electricity are still the major operating power.
In this proposed “Self-Powered Pipe Flow Metering System (SPPFM)”, the pipe flow drives the rotor of a generator to power the measuring unit itself. Thanks to the system, only small part of the flow power is converted into electric power to obsolete the replacement of batteries or to eliminate the lengthy electric supply wires all together.
Major parameters including power needed and power generated under different flow rate are investigated. Based on the results of the experiments, feasibilities of the system are discussed. A commercial flow meter was used to calibrate this SPPFM system and the results of such a calibration are presented in the paper. A technique to achieve both goals using single generator hardware is explained. It was seen from the experiment that the SPPFM system would produce more electric power than the basic needs for an embedded digital measuring unit, leaving rooms for growing features such as wireless communication, graphic display and data storage.

並列關鍵字

Pipe flow generator ； Flow metering

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