充电器插头一插电就有滋滋滋的声音,一插手机充电滋滋滋的声音更大

2025-02-15 15:17:54
推荐回答(5个)
回答1:

插座触点不合规格,造成接触不良的原因,这样的插座要更换。最好换几个插座分别试一下,有没有不发出滋滋滋的声音的。如果有,就说明是插座的故障,要调整或更换。

充电器里有变压器,是在不停 的开关动作中切换的,变压器出厂的时候会浸泡一些药水使线圈之间连接紧密。

在高频切换的时候不会上下跳动发出人耳可听的声音,时间长了,药水挥发或者失效,在高频切换的时候,线圈由于电磁感应而上下跳动,发出了声音。

与插座接触不良的表现,如果时不时还有点小火花的话就要换插座,不然很容易引起插座烧坏,电路短路等情况。

扩展资料:

手机充电器是由一个稳定电源(主要是稳压电源、提供稳定工作电压和足够的电流)加上必要的恒流、限压、限时等控制电路构成。

原装充电器上所标注的输出参数:比如输出5.0V/1A、输出5.0V/1500mA-11200,就是指内部稳压电源的相关参数。一个品质好的手机充电器很容易改成一个质量优良的稳压电源!

手机常用锂离子(li-ion)电池的充电器采用的是恒流限压充电制,充电电流一般采用C2左右----即采用两小时充电率,比如500mAh电池采用250mA充电大约两小时达到4。2V后再恒压充电。

lion电池并不适合采用NIMH电池高级快速充电器所用的-DV/DT检测快速充电方式,因为lion电池对充电电流有严格的限制.锂离子(Li+)非常活泼,大电流充电很容易产生危险。

参考资料:百度百科-手机充电器

回答2:

你好,可能是插座触点不合规格,造成接触不良的原因,这样的插座要更换。最好换几个插座分别试一下,有没有不发出滋滋滋的声音的。如果有,就说明是插座的故障,要调整或更换。

回答3:

您好,建议您到小米官网http://www.xiaomi.com,登陆您购买这个商品的账号,在订单详情里面选择申请售后,然后请您电话保持畅通。我们会有工作人员联系您的。或者可以直接致电小米客服400-100-5678咨询一下。您也可以去您当地的小米之家或者授权维修点进行检测,如果是质量问题,质保期内是可以换的http://www.xiaomi.com/c/service/xiaomiclub/

感谢您的支持,祝您生活愉快!
欢迎您在百度小米企业平台提问:http://zhidao.baidu.com/c/xiaomi/

回答4:

明显是正常的,并不是接触不良,是因为里面的线圈电磁感应震荡产生的高频声音,不好听但是没有什么危害,更不会像有些人所说的发生爆炸,短路,我很多个充电器都是这样的用了这么久没啥毛病……

回答5:

是充电器里边的变压器形成回路会的励磁 声,当你连上手机时充电回路就构成一个 通路有电流通过,就会有电流励磁声音产 生

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