【摘要】：熒光效應(yīng)是一種應(yīng)用廣泛的物理機(jī)制,在很多領(lǐng)域比如生物、醫(yī)學(xué)、光電、顯示技術(shù)等方面都有重要應(yīng)用。本文結(jié)合熒光效應(yīng)和光纖原理,提出了兩種傳感器,分別是熒光光纖溫度傳感器和熒光光纖電弧光傳感器。熒光光纖溫度傳感器靈敏度很高,抗干擾能力強(qiáng),可在各種惡劣環(huán)境下使用,彌補(bǔ)了很多傳統(tǒng)溫度傳感器的不足。論文首先介紹了熒光壽命型熒光光纖溫度傳感器,并對(duì)使用正弦波調(diào)制和方波調(diào)制的兩種熒光壽命鎖相檢測方法做了詳細(xì)分析和Matlab Simulink仿真。經(jīng)過仿真更深入的展現(xiàn)了熒光壽命鎖相檢測方法的實(shí)現(xiàn)過程。與熒光強(qiáng)度型的光纖溫度傳感器相比,熒光壽命型光纖溫度傳感器僅與熒光壽命相關(guān),抗干擾能力強(qiáng),而且具有更高的精確度。本文利用熒光效應(yīng)和光纖理論,設(shè)計(jì)了一種電弧光傳感器。針對(duì)該傳感器還設(shè)計(jì)了兩種熒光探頭,第二種熒光探頭是對(duì)第一種熒光探頭的改進(jìn)。對(duì)兩種熒光探頭進(jìn)行了多次試驗(yàn)和數(shù)據(jù)分析,并利用Matlab Simulink軟件對(duì)所得數(shù)據(jù)進(jìn)行了最小二乘擬合。通過對(duì)兩種探頭的擬合曲線對(duì)比,結(jié)果表明第二種類型的熒光探頭在白、黃、紫三色光源下的響應(yīng)電壓都比第一種平均高出40%。最后,通過數(shù)據(jù)結(jié)果確定了傳感器的閾值。本文設(shè)計(jì)的電弧光傳感器響應(yīng)時(shí)間在us量級(jí)。熒光電弧光傳感器具有很高的靈敏度可用于檢測電力設(shè)備短路故障以及火災(zāi)檢測等,而且其響應(yīng)時(shí)間極快。這種傳感器可以組成分布式網(wǎng)絡(luò)監(jiān)控系統(tǒng),以擴(kuò)大監(jiān)控范圍。
[Abstract]:Fluorescence effect is a widely used physical mechanism, which has important applications in many fields such as biology, medicine, photoelectricity, display technology and so on. Based on the principle of fluorescence effect and optical fiber, two kinds of sensors are proposed in this paper, namely, fluorescent fiber temperature sensor and fluorescent fiber arc light sensor. Fluorescent fiber temperature sensor has high sensitivity and strong anti-interference ability. It can be used in a variety of harsh environments and makes up for the shortcomings of many traditional temperature sensors. Firstly, the fluorescence lifetime type fluorescent fiber temperature sensor is introduced in this paper, and two kinds of fluorescence lifetime phase-locked detection methods using sine wave modulation and square wave modulation are analyzed in detail and simulated by Matlab Simulink. Through simulation, the realization process of phase locked detection method of fluorescence lifetime is further demonstrated. Compared with the optical fiber temperature sensor with fluorescence intensity, the fluorescent lifetime optical fiber temperature sensor is only related to the fluorescence lifetime, has strong anti-interference ability, and has higher accuracy. Based on the fluorescence effect and optical fiber theory, an arc light sensor is designed in this paper. Two kinds of fluorescence probe are designed for the sensor, the second kind of fluorescence probe is the improvement of the first kind of fluorescence probe. The two kinds of fluorescence probes were tested and analyzed many times, and the data were fitted by least square method with Matlab Simulink software. By comparing the fitting curves of the two kinds of probes, the results show that the response voltage of the second type of fluorescence probe is 40 times higher than that of the first one under the white, yellow and purple light sources. Finally, the threshold value of the sensor is determined by the data results. The response time of the arc light sensor designed in this paper is in the order of us. Fluorescent arc light sensor has high sensitivity and can be used to detect short circuit fault and fire detection of power equipment, and its response time is very fast. The sensor can form a distributed network monitoring system to expand the monitoring range.
【學(xué)位授予單位】：山東大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TP212

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