ROG這樣是正常的嗎? - 手機討論

By Andrew
at 2019-01-04T13:36
at 2019-01-04T13:36
Table of Contents
※ 引述《chaohua (YueYe)》之銘言:
: 這隻ROG是當初首發買的512G的
: 平常在使用的時候都是拿行動電源充電所以沒有感受到什麼異常
: 但是最近有拿充電器充的時候就感覺背部的部分有點漏電的感覺
: 所以拿了平常用的電錶來量量看
: https://i.imgur.com/aqwU4Pz.jpg
: https://i.imgur.com/jgunbIB.jpg
: https://i.imgur.com/rDAJvd4.jpg
: https://i.imgur.com/Q785Tn4.jpg
: https://i.imgur.com/NlOUrtv.jpg
: 測的時候使用的是原廠充電器
: 前2張是確認電壓正常的
: 只有右邊那塊會有這個問題
: 其他的部分不會有
: 想問一下是只有我這支會這樣還是有其他人的ROG也有這個問題?
: 感覺有些人電學不懂就在說別人量錯
: 第一 我第一張圖已經證明他斷路後是沒電壓的
: 第二 電表是測量電位差的假設我是插到110伏特火線 那量是30伏特或是70伏特的話 另外
: 一端就已經是 80伏特或40伏特了
: https://i.imgur.com/HlpyQte.jpg
: 這樣子總不會再說我插座插到火線的吧
沒有設置接地線的交換式電源,為了旁路交換高頻干擾,會在二次側的負極用一個Y電容
與一次側的整流後負極接在一起,Y電容本身會有洩漏電壓與電流,但安規認證下
其洩漏電流值會很小,以免發生電擊/感電意外
其實這是充電器本身的Y電容的洩漏電壓,其電流正常來說很小,因為電表電壓檔阻抗高,
所以可以測得此洩漏電壓
而手機金屬外殼本身因為與充電器的負極/屏蔽是相通的,所以會量到該Y電容的洩漏電壓
以上
--
: 這隻ROG是當初首發買的512G的
: 平常在使用的時候都是拿行動電源充電所以沒有感受到什麼異常
: 但是最近有拿充電器充的時候就感覺背部的部分有點漏電的感覺
: 所以拿了平常用的電錶來量量看
: https://i.imgur.com/aqwU4Pz.jpg





: 前2張是確認電壓正常的
: 只有右邊那塊會有這個問題
: 其他的部分不會有
: 想問一下是只有我這支會這樣還是有其他人的ROG也有這個問題?
: 感覺有些人電學不懂就在說別人量錯
: 第一 我第一張圖已經證明他斷路後是沒電壓的
: 第二 電表是測量電位差的假設我是插到110伏特火線 那量是30伏特或是70伏特的話 另外
: 一端就已經是 80伏特或40伏特了
: https://i.imgur.com/HlpyQte.jpg

沒有設置接地線的交換式電源,為了旁路交換高頻干擾,會在二次側的負極用一個Y電容
與一次側的整流後負極接在一起,Y電容本身會有洩漏電壓與電流,但安規認證下
其洩漏電流值會很小,以免發生電擊/感電意外
其實這是充電器本身的Y電容的洩漏電壓,其電流正常來說很小,因為電表電壓檔阻抗高,
所以可以測得此洩漏電壓
而手機金屬外殼本身因為與充電器的負極/屏蔽是相通的,所以會量到該Y電容的洩漏電壓
以上
--
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