认识常见的传感器 课件（24张幻灯片）

课件24张PPT。e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8红外感应语音器是一种利用红外热释电原理感应人体活动信息的设备。当有人进入其感应范围时，红外探测器能将识别到的人体红外辐射信号转化为电信号，内部的电子智能MP3音乐播放芯片对电信号进行处理，给TF卡发出指令，进而播放相应的语音。红外感应语音器e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8红外感应语音器各种传感器认识常见
的传感器e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8
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01生活中常见的传感器应用e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8磁敏传感器光敏传感器热敏传感器应变式称重传感器e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8 传感器是将非电量转换为与之有确定关系的电量输出的一种装置。e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8 传感器获得外界的信息，并通过它将非电量信息转换成电信号输出。
传感器一般由敏感元件和输出部分组成，通过敏感元件获取外界信息并转换为电信号，通过输出部分输出。
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02认识常见的传感器e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8干簧管门窗报警器磁场变化——电信号变化e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8光敏电阻光控玩具电扇亮度变化——电信号变化04e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8热敏电阻耳温枪温度变化——电信号变化04e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8电阻应变片电子秤压力变化——电信号变化e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C804030201每组同学轮流回答智能手机上用到的传感器，每组每次回答一种，限时10秒钟，超时或者与其他组答案重复的组淘汰，决出最后获胜队伍！e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8结构图电路符号结构图电路符号
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03检测传感器e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8试验过程：
1、根据电路原理图在面包板上搭接电路
2、断开开关，在以下不同的光照条件下，用多用电表测量光敏电阻的阻值，并填入下表3、合上开关，在以下不同的光照条件下，用多用电表测量光敏电阻的电压值，并填入下表e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8试验过程：
1、将数字温度计和热敏电阻同时放入自然水中，慢慢加热水获得不同温度
2、用数字多用电表分别测量热敏电阻在不同温度下的电阻值
3、把测得的数据填写在表格中，并在坐标图中描点画线R/Ωt/ ℃O注意：光敏电阻一般默认为负光照系数，热敏电阻既有负温度系数又有正温度系数，使用时请注意！
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04一起搭建一个简单的电路e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8你希望用传感器实现哪种效果的控制电路？解决生活中的什么问题？e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8谢谢大家e7d195523061f1c0205959036996ad55c215b892a7aac5c0B9ADEF7896FB48F2EF97163A2DE1401E1875DEDC438B7864AD24CA23553DBBBD975DAF4CAD4A2592689FFB6CEE59FFA55B2702D0E5EE29CDFC0DD98BC7D6A39AC4E055256EE11BBEDCDB7C9722D66262996B68DE860BD3C77EBCAECB599909EC0E07B61811075331ABCDE6990254B8C8