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      <div class="weizhi">当前位置：<a href="/">首页</a> &gt; <a href="/news.html">新闻动态</a> &gt; 在使用过程中 防爆网络摄像机的常见故障处理方法</div>
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       <h1 class="biaoti">在使用过程中 防爆网络摄像机的常见故障处理方法</h1>
       <div class="fabiao">更新时间：2021-01-12&nbsp;&nbsp;|&nbsp;&nbsp;点击率：1591</div>
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       <div>　　<strong><a href="http://www.hzalkj.cn/" target="_blank">防爆网络摄像机</a></strong>不仅满足于夜晚室内光照度很低的情况，而且也非常的迎合节能的要求，基于这两点，其被广泛的应用于室内和室外环境中。主要用于在无可见光或者微光的黑暗环境下，采用红外发射装置主动将红外光投射到物体上，红外光经物体反射后进入镜头进行成像。这时我们所看到的是由红外光反射所成的画面，而不是可见光反射所成的画面，这时便可拍摄到黑暗环境下肉眼看不到的画面。<br />&nbsp;</div><p align="center"><img src="https://img80.afzhan.com/9/20210112/637460488862057442284.png" width="330" height="440" align="middle" alt="" /></p><div>　　在防爆网络摄像机的使用过程中出现常见故障时的处理方法：</div><div>　　1、防水效果不理想，起雾</div><div>　　一般都采用密封设计，防护等级达到IP66。但是红外灯开始工作时会产生大量的热量，同时由于部外壳的散热效果不够和机器本身的密封性不好，造成机器在使用一段时间之后，里面或多或少会出现汽水，影响监控效果。这部分采用透气设计，增加透气阀便于和外部温度交换，有的采用充氮，确保机器内部为惰性气体，以确保没有水汽。</div><div>　　2、夜视效果不理想</div><div>　　此现象主要表现是手电筒的效果或者是距离不够等等。其实这个问题主要是红外灯的角度和功能所造成的，所使用的红外灯峰值波长在850nm，角度从5-60度可以选择，当红外发射管角度越小时照射距离越远，手电筒的效果就越明显，反之，角度越大就没有手电筒的效果，但是距离就大打折扣。</div><div>　　3、白天偏色</div><div>　　有些劣质厂家设备的色彩在白天都会或多或少的偏色，原因是滤光片的问题，一般使用能透过一定比例红外光线的双通滤光片，其优点是成本低，但由于自然光线中含有较多的红外成份，当其进入CCD后会干扰色彩还原，比如绿色植物变成灰白等等。双滤光片的使用就有效的解决了这个问题，滤光片由一个红外截止滤光片和一个全光谱光学玻璃构成，当白天的光线充分时红外截止滤光片工作，还原出真实色彩，当夜间光线不足时，红外截止滤光片自动移开，全光谱光学玻璃开始工作，使CCD充分利用到所有光线，从而大大提高红外性能。</div><div>　　4、散热问题</div><div>　　影响红外灯寿命重要的因素就是温度，由于配置了发热量较大的红外灯，红外灯在启动后，整个工作时间段内在摄像机前部会有热量集中，会影响其它部件的正常工作。</div>
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