随着航空、航天工业技术的进步,人们对密封性能检测技术及装备的要求也走向一个新高度。在民用工业中,人们对泄漏的认识、要求对泄漏检测和控制的意识逐日增强。近些年来,摩托车、空调器、汽车、燃气用具为越来越多的人所熟悉,这些产品因泄漏造成的危害和灾难也给人们敲响了警钟。 生产厂家为了提高产品质量于是采用“浸水...
电力系统,最想解决的是怎样产生电能,然后再传递出去,解决掉传输过程中遇到的问题,再送到用户这里供用户使用。最直观的分类,就是发电,输电,变电,配电和用电这五个部分。 发电,简单说就是其他形式的能量作为发电机的原动机,推动发电机发出电能。常见的如火力,以及各式各样的新能源发电。可以用到的电气知识是:发电厂...
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无线路由器需要的输入电压为85~264V交流电,经过相应的AC-DC PWM 控制器进行整流调制之后可将交流电转换成输出直流电,具有高达10W的输出功率,能够应用于大多数消费电子产品。对于上述方案中用到的AC-DC转换器芯片,推荐采用AiT(创瑞科技)推出的AP8022 系列AC-DC PWM 控制器,为无线路由器提供解决方案。 图1 无线...
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