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        <title>气敏传感器电路</title>
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            <title><![CDATA[交警手中的酒精检测仪你知道其内部电路结构吗？]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2019/20190122856438.html</link>
            <description><![CDATA[如图是一个酒精检测仪电路，左下角的Sensor为酒精检测传感器（MQ-3等气敏传感器）,74HC00D为四通道两输入与非门。
请问：
1. 该电路实现酒精检测的工作过程是什么？
2. 电路中几个LED分别代表什么？]]></description>
            <pubDate>Tue, 22 Jan 2019 15:41:34</pubDate>
            <category>气敏传感器电路</category>
            <author>肖冰</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2019/20190122856438.html</guid>
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            <title><![CDATA[气敏传感器电路图大全（六款气敏传感器电路设计原理图详解）]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2018/20180301641487.html</link>
            <description><![CDATA[本文主要介绍了气敏传感器电路图大全（六款气敏传感器电路设计原理图详解）。气敏器件（又称气敏传感器）是一种对环境气氛中某些氧化性气体、还原性气体、有机溶剂蒸汽十分敏感的电子器件，被广泛应用于对可燃性气体和有毒性气体的检测、检漏、报警和监控等领域。气敏器件的核心部分是金属氧化物半导体，如二氧化锡等。这类金属氧化物半导体，在一定温度时，能吸附空气中的氧，形成氧的负离子吸附，使半导体材料中电子密度减小，电阻增大。]]></description>
            <pubDate>Thu, 01 Mar 2018 11:49:10</pubDate>
            <category>气敏传感器电路</category>
            <author></author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2018/20180301641487.html</guid>
        </item><item>
            <title><![CDATA[红外传感器CO2气体检测电路设计]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2014/20141217360929.html</link>
            <description><![CDATA[是首先由红外传感器将探测到二氧化碳气体的浓度并转换成电信号，滤波电路提取电信号并输出到放大电路，经过单片机系统处理后输出，再由74AC138送入显示电路，以实现对二氧化碳气体浓度的检测。]]></description>
            <pubDate>Wed, 17 Dec 2014 10:01:23</pubDate>
            <category>气敏传感器电路</category>
            <author>秩名</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2014/20141217360929.html</guid>
        </item><item>
            <title><![CDATA[基于MC14468的烟雾传感电路]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2011/20111121252024.html</link>
            <description><![CDATA[如果检测到烟雾，时钟周期T0就变成40ms,同时启动报警驱动电路，使之打开160ms,再关断80ms。在关断期间若没有检测到烟雾，就禁止BZ发出报警声]]></description>
            <pubDate>Mon, 21 Nov 2011 12:00:48</pubDate>
            <category>气敏传感器电路</category>
            <author>小兰</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2011/20111121252024.html</guid>
        </item><item>
            <title><![CDATA[禁烟警示器电路]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2011/20110519198954.html</link>
            <description><![CDATA[本例介绍的禁止吸烟警示器，可用于家庭居室或各种不宜吸烟的场合(例如医院、会议室等)。当有人吸烟时，该禁止吸烟警示器会发出"请不要吸烟!"的语言警示声，提醒吸烟者自觉停止吸]]></description>
            <pubDate>Thu, 19 May 2011 11:06:35</pubDate>
            <category>气敏传感器电路</category>
            <author>summao</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2011/20110519198954.html</guid>
        </item><item>
            <title><![CDATA[QM-N5G型气敏元件-氧化碳报警应用电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2010/20100402214227.html</link>
            <description><![CDATA[QM-N5G型气敏元件-氧化碳报警应用电路图
]]></description>
            <pubDate>Fri, 02 Apr 2010 17:15:12</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2010/20100402214227.html</guid>
        </item><item>
            <title><![CDATA[气敏器件（气敏传感器）介绍及应用]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2010/20100113157562.html</link>
            <description><![CDATA[气敏器件（气敏传感器）介绍及应用
气敏器件（又称气敏传感器）是一种对环境气氛中某些氧化性气体、还原性气体、有机溶剂蒸汽十分敏感的电]]></description>
            <pubDate>Wed, 13 Jan 2010 10:49:20</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
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        </item><item>
            <title><![CDATA[光电传感器]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2009/2009092292890.html</link>
            <description><![CDATA[光电传感器
]]></description>
            <pubDate>Tue, 22 Sep 2009 16:48:13</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2009/2009092292890.html</guid>
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            <title><![CDATA[载体催化元件电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2009/2009060866927.html</link>
            <description><![CDATA[载体催化元件电路图]]></description>
            <pubDate>Mon, 08 Jun 2009 09:51:04</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2009/2009060866927.html</guid>
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            <title><![CDATA[载体催化元件报警电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2009/2009060866926.html</link>
            <description><![CDATA[
载体催化元件报警电路图]]></description>
            <pubDate>Mon, 08 Jun 2009 09:50:30</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2009/2009060866926.html</guid>
        </item><item>
            <title><![CDATA[用运算放大器构成的气敏控制电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2009/2009060866925.html</link>
            <description><![CDATA[
用运算放大器构成的气敏控制电路图]]></description>
            <pubDate>Mon, 08 Jun 2009 09:50:00</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2009/2009060866925.html</guid>
        </item><item>
            <title><![CDATA[氧化碳报警电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2009/2009060866924.html</link>
            <description><![CDATA[氧化碳报警电路图]]></description>
            <pubDate>Mon, 08 Jun 2009 09:48:58</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2009/2009060866924.html</guid>
        </item><item>
            <title><![CDATA[烟雾继电器遥控电铃电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2009/2009060866923.html</link>
            <description><![CDATA[烟雾继电器遥控电铃电路图]]></description>
            <pubDate>Mon, 08 Jun 2009 09:48:22</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2009/2009060866923.html</guid>
        </item><item>
            <title><![CDATA[气敏音乐电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2009/2009060866922.html</link>
            <description><![CDATA[气敏音乐电路图]]></description>
            <pubDate>Mon, 08 Jun 2009 09:47:53</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2009/2009060866922.html</guid>
        </item><item>
            <title><![CDATA[气敏电桥电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2009/2009060866921.html</link>
            <description><![CDATA[气敏电桥电路图]]></description>
            <pubDate>Mon, 08 Jun 2009 09:47:25</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2009/2009060866921.html</guid>
        </item><item>
            <title><![CDATA[气敏电铃电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2009/2009060866920.html</link>
            <description><![CDATA[
气敏电铃电路图]]></description>
            <pubDate>Mon, 08 Jun 2009 09:46:56</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2009/2009060866920.html</guid>
        </item><item>
            <title><![CDATA[廉价气敏报信电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2009/2009060866919.html</link>
            <description><![CDATA[廉价气敏报信电路图]]></description>
            <pubDate>Mon, 08 Jun 2009 09:46:26</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2009/2009060866919.html</guid>
        </item><item>
            <title><![CDATA[矿灯瓦斯报警电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2009/2009060866918.html</link>
            <description><![CDATA[矿灯瓦斯报警电路图]]></description>
            <pubDate>Mon, 08 Jun 2009 09:45:49</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2009/2009060866918.html</guid>
        </item><item>
            <title><![CDATA[可燃气体泄漏声响电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2009/2009060866917.html</link>
            <description><![CDATA[
可燃气体泄漏声响电路图]]></description>
            <pubDate>Mon, 08 Jun 2009 09:45:20</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2009/2009060866917.html</guid>
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            <title><![CDATA[可燃气体泄漏报警电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2009/2009060866916.html</link>
            <description><![CDATA[
可燃气体泄漏报警电路图]]></description>
            <pubDate>Mon, 08 Jun 2009 09:44:36</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2009/2009060866916.html</guid>
        </item><item>
            <title><![CDATA[具有温度补偿的气敏蜂鸣器电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2009/2009060866915.html</link>
            <description><![CDATA[具有温度补偿的气敏蜂鸣器电路图]]></description>
            <pubDate>Mon, 08 Jun 2009 09:43:56</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2009/2009060866915.html</guid>
        </item><item>
            <title><![CDATA[场效应晶体管气敏差分电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2009/2009060866913.html</link>
            <description><![CDATA[场效应晶体管气敏差分电路图]]></description>
            <pubDate>Mon, 08 Jun 2009 09:43:22</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2009/2009060866913.html</guid>
        </item><item>
            <title><![CDATA[差分式可燃气体监测仪电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2009/2009060866912.html</link>
            <description><![CDATA[差分式可燃气体监测仪电路图]]></description>
            <pubDate>Mon, 08 Jun 2009 09:42:53</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2009/2009060866912.html</guid>
        </item><item>
            <title><![CDATA[UL-264气敏传感器电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2009/2009060866911.html</link>
            <description><![CDATA[UL-264气敏传感器电路图]]></description>
            <pubDate>Mon, 08 Jun 2009 09:42:18</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2009/2009060866911.html</guid>
        </item><item>
            <title><![CDATA[QN型气敏元件典型应用电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2009/2009060866910.html</link>
            <description><![CDATA[QN型气敏元件典型应用电路图]]></description>
            <pubDate>Mon, 08 Jun 2009 09:41:37</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2009/2009060866910.html</guid>
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            <title><![CDATA[QM-T2型气敏元件OO检测电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2009/2009060866909.html</link>
            <description><![CDATA[QM-T2型气敏元件OO检测电路图]]></description>
            <pubDate>Mon, 08 Jun 2009 09:41:01</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2009/2009060866909.html</guid>
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            <title><![CDATA[QM--N5型气敏元件单位电源应用电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2009/2009060866908.html</link>
            <description><![CDATA[
QM--N5型气敏元件单位电源应用电路图]]></description>
            <pubDate>Mon, 08 Jun 2009 09:40:30</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2009/2009060866908.html</guid>
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            <title><![CDATA[QM--N5型气敏元件单电源应用电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2009/2009060866907.html</link>
            <description><![CDATA[
QM--N5型气敏元件单电源应用电路图]]></description>
            <pubDate>Mon, 08 Jun 2009 09:39:55</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
            <guid>https://www.elecfans.com/article/88/131/qimin/2009/2009060866907.html</guid>
        </item><item>
            <title><![CDATA[MQ11型气敏元件应用电路图]]></title>
            <link>https://www.elecfans.com/article/88/131/qimin/2009/2009060866906.html</link>
            <description><![CDATA[MQ11型气敏元件应用电路图]]></description>
            <pubDate>Mon, 08 Jun 2009 09:39:20</pubDate>
            <category>气敏传感器电路</category>
            <author>佚名</author>
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