醫(yī)療輸液的遠(yuǎn)程監(jiān)控系統(tǒng)研究
【文章頁(yè)數(shù)】:59 頁(yè)
【學(xué)位級(jí)別】:碩士
【部分圖文】:
圖1-1佳光牌靜脈輸液監(jiān)控器??Fig.?1-1?The?intravenous?infusion?monitor?of?Jia?Guang??
圖1-1佳光牌靜脈輸液監(jiān)控器??ig.?1-1?The?intravenous?infusion?monitor?of?Jia?思義就是利用超聲波傳感器,當(dāng)病到接收,會(huì)有一段時(shí)間間隔,時(shí)間下落速度,用輸液時(shí)間乘輸液速度波檢測(cè)方式實(shí)現(xiàn)了非接觸,并且測(cè)5_27]。??息的主要技術(shù),而....
圖2-1紅外線經(jīng)過(guò)藥液液滴的光路圖??F.2-i?The?oticalath?diaram?of?infrared?raassinthrouh?the?liuid?dros??
主要實(shí)現(xiàn)光信號(hào)到電信號(hào)的轉(zhuǎn)變。??通常情況下人們把紅外二極管的發(fā)射管和接收管組合起來(lái)叫做紅外對(duì)管,紅外對(duì)??管的外形和普通發(fā)光二極管的外形基本上沒(méi)有區(qū)別[421。圖2-2分別為紅外二極管的發(fā)??射管和接收管,短腳為負(fù)長(zhǎng)腳為正。??ah????????:????圖2-2光電式紅外傳....
圖2-2光電式紅外傳感器結(jié)構(gòu)圖??Fi.2-2?Structure?chart?ofhotoelectric?infrared?sensor??
??圖2-1紅外線經(jīng)過(guò)藥液液滴的光路圖??Fig.2-i?The?optical?path?diagram?of?infrared?ray?passing?through?the?liquid?drops??2.1.2光電式紅外傳感器的理論分析??光電式紅外傳感器主要是由紅外發(fā)光....
圖2-3深圳宇銘光電式紅外傳感器??Fig.2-3?Shenzhen?yuming?photoelectric?infrared?sensor??
此時(shí)傳感器接收端就會(huì)接收微弱光線,產(chǎn)生較弱的電流。當(dāng)無(wú)藥液滴落時(shí),??傳感器會(huì)完全接收到紅外線,產(chǎn)生較強(qiáng)電流,這樣就使光信號(hào)轉(zhuǎn)換成了電信號(hào),最終??再通過(guò)放大整形電路,轉(zhuǎn)換成有明顯高低電平的脈沖信號(hào)如圖2-4所示:??\LZC?\ir?c??10參??圖2-4信號(hào)采集裝置原理圖?....
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