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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; 防爆一体化云台相关性能的两个主要指标</div>
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       <h1 class="biaoti">防爆一体化云台相关性能的两个主要指标</h1>
       <div class="fabiao">更新时间：2017-11-27&nbsp;&nbsp;|&nbsp;&nbsp;点击率：2245</div>
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       &nbsp;　　对于<strong><a href="http://www.hzalkj.cn" target="_blank">防爆一体化云台</a></strong>的相关性能指标我们在使用安防设施产品时一定要了解：<div>　　一、防爆一体化云台的转动速度</div><div>　　云台的转动速度衡量云台档次高低的重要指标。云台水平和垂直方向是由两个不同的电机驱动的，因此云台的转动速度也分为水平转速和垂直转速。由于载重的原因，垂直电机在启动和运行保持时的扭矩大于水平方向的扭矩，在加上实际监控时对水平转速的要求要高于垂直转速，因此一般来说云台的垂直转速要低于水平转速。</div><div>　　交流云台使用的是交流电机，转动速度固定，一般为水平转动速度为4-6&deg;/秒，垂直转动速度为3-6&deg;/秒。有的厂家也生产交流型高速云台，可以达到水平15&deg;/秒，垂直9&deg;/秒，但同一系列云台的高速型载重量会相应降低。</div><div>　　直流型<strong>防爆一体化云台</strong>大都采用的是直流步进电机，具有转速高、可变速的优点，十分适合需要快速捕捉目标的场合。其水平zui高转速可达40-50&deg;/秒，垂直可达10-24&deg;/秒。另外直流型云台都具有变速功能，所提供的电压是直流0至36V之间的变化电压。变速的效果由控制系统和解码器的性能决定，以使云台电机根据输入的电压大小做相应速度的转动。常见的变速控制方式有两种，一种是全变速控制，就是通过检测操作员对键盘操纵杆控制的位移量决定对云台的输入电压，全变速控制是在云台变速范围内实现平缓的变速过渡。另外一种是分档递进式控制，就是在云台变速范围内设置若干挡，各档对应不同的电压（转动速度），操作前必须先选择所需转动的速度档，在对云台进行各方向的转动操作。</div><div>　　二、<strong>防爆一体化云台</strong>的转动角度</div><div>　　云台的转动角度尤其是垂直转动角度与负载安装方式有很大关系。</div><div>　　云台的水平转动角度一般都能达到355&deg;，因为限位栓会占用一定的角度，但会出现少许的监控死角。当前的云台都改进了限位装置使其可以达到360&deg;甚至365&deg;，以消除监控死角。用户使用时可以根据现场的实际情况进行限位设置。例如安装在墙壁上的壁装式，即使云台具有360&deg;的转动角度，实际上只需要监视云台正面的180&deg;角度，即使转动到后面方向的180&deg;也只能看到安装面（墙壁），没有实际监控意义。因此壁装式只需要监视水平180&deg;的范围，角装式只需监视270&deg;的范围。这样避免云台过多地转动到无需监控的位置，也提供了云台的使用效率。</div>
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