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應(yīng)變式壓力傳感器

集成電路式燈泡斷絲檢測(cè)傳感器的識(shí)別

發(fā)布日期:2022-08-21 點(diǎn)擊率:67

  這種傳感器也用于檢測(cè)前照燈、尾燈、制動(dòng)燈、牌照燈的燈絲狀況,它可以檢測(cè)出燈泡全部點(diǎn)亮?xí)r的電流與1個(gè)燈燈絲斷開(kāi)時(shí)的電流變化量,然后,將斷絲信息通過(guò)報(bào)警燈點(diǎn)亮方式向駕駛員報(bào)警,該報(bào)警系統(tǒng)電路如圖1所示。


  圖1 制動(dòng)燈與尾燈的斷絲檢測(cè)系統(tǒng)電路

  集成電路式(IC)斷絲檢測(cè)傳感器是利用IC比較器進(jìn)行檢測(cè),它的特性可用圖2說(shuō)明,在圖中c設(shè)定在燈全亮?xí)r的電流特性a與1個(gè)燈斷絲電流特性b的變化范圍之間,由此可以檢測(cè)出燈泡有無(wú)斷絲。


  圖2 IC式斷絲檢測(cè)傳感器的特性

  

下一篇: PLC、DCS、FCS三大控

上一篇: 制動(dòng)蹄摩擦片磨損檢測(cè)

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