点烟器取电，多久能把电瓶耗尽？
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">咱们</span>经常从点烟器取电给<span style="color: black;">有些</span>用电设备<span style="color: black;">运用</span>，<span style="color: black;">例如</span>给手机充电、给行车记录仪供电。<span style="color: black;">那样</span>点烟器取电能消耗多少电瓶的电量呢？其实点烟器相当于一个电源输出接口，你用点烟器充电耗电多少取决于你负载的类型。就像家里接了一个插座，你<span style="color: black;">不可</span>说用这个插座费电不费电，而是要看插座上接的是什么。你接一个充电器给手机充电当然不费电，<span style="color: black;">然则</span>你接一个小太阳取暖那耗电量肯定大了。</p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/dfic-imagehandler/575e2264-3338-46fc-a00b-c7bdff55ec2f~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1724962790&x-signature=vP4rqeD8xzmsxJWoGTVELhy2ZmQ%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">在你熄火<span style="color: black;">运用</span>点烟器插口充电时电量完全由电瓶<span style="color: black;">供给</span>，<span style="color: black;">此时</span>候<span style="color: black;">能够</span>看作电瓶电压不变为12伏，<span style="color: black;">那样</span><strong style="color: blue;">输出电流越大耗电量就越大。</strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">咱们</span><span style="color: black;">能够</span><span style="color: black;">这般</span>形象地理解：电瓶的容量单位是安时，<span style="color: black;">例如</span>一辆车其电瓶容量为50安时，意思<span style="color: black;">便是</span>满电状态下以1安的电流放电<span style="color: black;">能够</span><span style="color: black;">连续</span>50小时。<span style="color: black;">或</span>以50安的电流放电<span style="color: black;">能够</span><span style="color: black;">连续</span>1小时。<span style="color: black;">这般</span>是不是就容易理解了呢？</p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/cdca443b28ce4b479168405d831358d1~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1724962790&x-signature=MAYsBL139AGnGCAJznxFA7G49HA%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">假如<span style="color: black;">咱们</span>面前<span style="color: black;">此刻</span>放着一辆车，电瓶容量为50安时，电瓶为满电状态。<span style="color: black;">咱们</span>在熄火状态下用点烟器插口取电，<span style="color: black;">按照</span>负载功率<span style="color: black;">区别</span><span style="color: black;">能够</span>有这几种<span style="color: black;">状况</span>。</p>
<h2 style="color: black; text-align: left; margin-bottom: 10px;">1、给手机充电</h2>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/00f1cf84fc9c422b9bacb818b07de5b5~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1724962790&x-signature=NydDct65XhFGkvUTEwjyBLFf8YM%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">通常</span>车充输出电流为1.5安，<span style="color: black;">因为</span>汽车电瓶电压为12伏，而手机充电电压为5伏，<span style="color: black;">因此</span>车充内部有降压电路，<span style="color: black;">因为</span><span style="color: black;">非常多</span>车充质量都是鱼龙混杂，<span style="color: black;">因此</span><span style="color: black;">咱们</span>假设车充电路效率为80%。<span style="color: black;">那样</span>输出功率为5伏×1.5安=7.5瓦。<span style="color: black;">那样</span>车充工作时点烟器插口输出电流<span style="color: black;">便是</span>7.5÷80%÷12=0.78安。<span style="color: black;">那样</span><span style="color: black;">连续</span>充电时间<span style="color: black;">便是</span>50÷0.78=64小时。</p>
<h2 style="color: black; text-align: left; margin-bottom: 10px;">2、<span style="color: black;">运用</span>行车记录仪停车监控</h2>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/5f7dbd0b75b74062a499c41c9abbad8c~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1724962790&x-signature=ZdTT2epRnHjrdQCfESybmSmLSbo%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">从网上查到某销量很好的行车记录仪输入电流为1安，电压为5伏。假设电源转换效率为85%，<span style="color: black;">那样</span>行车记录仪工作时点烟器接口的输出电流<span style="color: black;">便是</span>1×5÷12÷0.85=0.49安。由此可计算出一个满电的65安时电瓶可供该行车记录仪连续工作65÷0.49=102小时。</p>
<h2 style="color: black; text-align: left; margin-bottom: 10px;">3、<span style="color: black;">运用</span>车载吸尘器</h2>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/04e2186de5754435ae2521e6609b23a9~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1724962790&x-signature=yYXjltfNumrOp26EdK6wQt3fGwM%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">车载吸尘器种类<span style="color: black;">非常多</span>，其功率<span style="color: black;">亦</span>是参差不齐。小的<span style="color: black;">仅有</span>三四十瓦，大的能达到100瓦。<span style="color: black;">咱们</span>就按最<span style="color: black;">平常</span>的60瓦来计算。车载吸尘器的工作电压是12伏，<span style="color: black;">那样</span>工作电流<span style="color: black;">便是</span>5安。理论上<span style="color: black;">来讲</span><span style="color: black;">一起</span>满电的50安时电瓶可供一台60瓦的车载吸尘器工作10小时。</p>
<h2 style="color: black; text-align: left; margin-bottom: 10px;">4、<span style="color: black;">运用</span>车载充气泵</h2>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/fa4fc879f2b94fd4b3b34172b0ba5e86~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1724962790&x-signature=pyexAzED8j3oOha3OuGfdK0DSKM%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">车载充气泵功率比<span style="color: black;">很强</span>，<span style="color: black;">通常</span>都在100瓦以上，我上网查了一下，<span style="color: black;">非常多</span>商家都宣<span style="color: black;">叫作</span>自家<span style="color: black;">制品</span>功率<span style="color: black;">能够</span>达到180瓦。要<span style="color: black;">晓得</span><span style="color: black;">通常</span>家用车点烟器保险丝熔断电流大概<span style="color: black;">便是</span>15-20安<span style="color: black;">上下</span>，180瓦对应的输出电流<span style="color: black;">便是</span>15安。<span style="color: black;">亦</span><span style="color: black;">便是</span>说<span style="color: black;">倘若</span>充气泵功率真正达到180瓦的话可能<span style="color: black;">起步</span>后就烧保险了。<span style="color: black;">因此</span><span style="color: black;">咱们</span>就按150瓦来计算吧。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">150瓦功率，电压12伏，<span style="color: black;">那样</span>对应的工作电流<span style="color: black;">便是</span>150÷12=12.5安。一个满电的50安时的电瓶<span style="color: black;">亦</span>就能<span style="color: black;">保持</span>50÷12.5=4小时。</p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/41585f506d0743eb9a06e6a760ad9124~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1724962790&x-signature=dJ8Uliflc1jv8ufhLwSphnFjJkI%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">以上数据看起来会让人觉得电瓶似乎挺耐用，<span style="color: black;">然则</span><span style="color: black;">咱们</span>要<span style="color: black;">晓得</span>这只是理想化的计算，和<span style="color: black;">实质</span><span style="color: black;">状况</span>偏差还是很大的。<span style="color: black;">由于</span>绝大部分车的电瓶都不可能是满电状态，<span style="color: black;">况且</span>随着电量的消耗电瓶电压会下降，此时电量消耗速度会更快。更要命的是电瓶电压下降到12伏以下时起动机转动就有些无力了，<span style="color: black;">起步</span>都成问题，更别说完全耗尽电瓶了。<span style="color: black;">因此</span>说以上计算结果只是做个量化对比，并不<span style="color: black;">表率</span><span style="color: black;">实质</span><span style="color: black;">状况</span>。</p>
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