資源簡介

課件24張PPT。e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8紅外感應語音器是一種利用紅外熱釋電原理感應人體活動信息的設備。當有人進入其感應范圍時，紅外探測器能將識別到的人體紅外輻射信號轉化為電信號，內部的電子智能MP3音樂播放芯片對電信號進行處理，給TF卡發出指令，進而播放相應的語音。紅外感應語音器e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8紅外感應語音器各種傳感器認識常見
的傳感器e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8
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01生活中常見的傳感器應用e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8磁敏傳感器光敏傳感器熱敏傳感器應變式稱重傳感器e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8 傳感器是將非電量轉換為與之有確定關系的電量輸出的一種裝置。e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8 傳感器獲得外界的信息，并通過它將非電量信息轉換成電信號輸出。
傳感器一般由敏感元件和輸出部分組成，通過敏感元件獲取外界信息并轉換為電信號，通過輸出部分輸出。
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02認識常見的傳感器e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8干簧管門窗報警器磁場變化——電信號變化e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8光敏電阻光控玩具電扇亮度變化——電信號變化04e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8熱敏電阻耳溫槍溫度變化——電信號變化04e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8電阻應變片電子秤壓力變化——電信號變化e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C804030201每組同學輪流回答智能手機上用到的傳感器，每組每次回答一種，限時10秒鐘，超時或者與其他組答案重復的組淘汰，決出最后獲勝隊伍！e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8結構圖電路符號結構圖電路符號
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03檢測傳感器e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8試驗過程：
1、根據電路原理圖在面包板上搭接電路
2、斷開開關，在以下不同的光照條件下，用多用電表測量光敏電阻的阻值，并填入下表3、合上開關，在以下不同的光照條件下，用多用電表測量光敏電阻的電壓值，并填入下表e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8試驗過程：
1、將數字溫度計和熱敏電阻同時放入自然水中，慢慢加熱水獲得不同溫度
2、用數字多用電表分別測量熱敏電阻在不同溫度下的電阻值
3、把測得的數據填寫在表格中，并在坐標圖中描點畫線R/Ωt/ ℃O注意：光敏電阻一般默認為負光照系數，熱敏電阻既有負溫度系數又有正溫度系數，使用時請注意！
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04一起搭建一個簡單的電路e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8你希望用傳感器實現哪種效果的控制電路？解決生活中的什么問題？e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8謝謝大家e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8

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