摘 要:介紹了一種實用的聚合物光纖(簡稱POF)端面矩陣顯示屏系統(tǒng)設(shè)計。該系統(tǒng)顯示屏表面具有光電隔離,不產(chǎn)生電火花,無電磁輻射等特點,是一種安全可靠的照明與顯示系統(tǒng)。他可以用于水下照明與字符顯示、水下信息傳遞等,消除了傳統(tǒng)照明器具及電子顯示屏在水下使用時容易漏電、短路、死機等現(xiàn)象。該系統(tǒng)利用PC機將字符轉(zhuǎn)換為點陣顯示數(shù)據(jù),然后送給單片機存儲并作顯示處理,具有設(shè)計簡單,可靠性高的優(yōu)點。
關(guān)鍵詞:POF;POF端面矩陣;水下照明;字符顯示
中圖分類號:TN9291 文獻標(biāo)識碼:B
文章編號:1004373X(2008)0119103
Development of System for Fiber-Optic Underwater Lighting and Displaying Characters
MA Mingxiang
(College of Opto-Electronic Science and Engineering,National University of Defense Technology,Changsha,410073,China)
Abstract:A kind of practical system design of POF dot matrix display screen is introduced.The surface of its display screen has the trait of photovoltaic seclusion,without electric sparkle or electromagnetic radicalization.It is a safe tried system for lighting and display.It can be used for underwater lighting and displaying characters,underwater communication and so on,which eliminates creepage,short,systemic breakdown and so onwhen traditional lighting and electronic display are used underwater.It uses PC to transform characters to dot matrix display data and sends them to the single chip computer which stores the data and completes display management.It is simple in design and high in reliability.
Keywords:POF;POF dot matrix;underwater lighting;displaying characters
1 引 言
近年來隨著人們對水下照明要求的不斷提高以及新技術(shù)的發(fā)展,傳統(tǒng)照明方式受到強有力的挑戰(zhàn),新的照明器具、照明技術(shù)逐漸被應(yīng)用,其中光纖照明是比較有發(fā)展前途的照明技術(shù)之一。光纖照明是光纖發(fā)光部同其耦合光源隔離,發(fā)光部不帶電的安全照明系統(tǒng),可以避免諸如漏電、打火之類事故的發(fā)生,光纖照明不僅可用于高溫、高濕、易燃、易爆等環(huán)境照明,而且光纖點陣照明方式兼具有在水下傳遞信息的作用。因此,光纖照明技術(shù)的發(fā)展又為水陸間信息傳遞的發(fā)展開辟了新的道路。
由此,我們利用光纖點陣照明的相關(guān)特點并結(jié)合信息處理相關(guān)技術(shù)研制出一套光纖水下照明與字符顯示系統(tǒng),很好地滿足了水下照明、水陸間信息傳遞的特殊要求,消除了傳統(tǒng)照明器具以及電子顯示屏在水下使用時漏電、短路、死機等現(xiàn)象。……