振華燒好大 - 3C

By Oscar
at 2018-05-21T21:55
at 2018-05-21T21:55
Table of Contents
※ 引述《dnay1 (Dnay)》之銘言:
: 作天看到隔壁板
: 發生的案件。真恐怖 大家真的要小心阿~
: [閒聊] Power燒掉 損失慘重
: https://www.ptt.cc/bbs/DigiCurrency/M.1526824487.A.CD3.html
: https://i.imgur.com/H9FQs68.jpg
: https://i.imgur.com/3o5bmak.jpg
: 好在屋沒事,不知振華會不會處理就是了
: 等後續發展
原來還有這篇,因為沒有看到原先的排法與接法,故只能公堂之上大膽假設一下
線路的部分絕緣皮都已經燒光了,電源外殼被煙燻嚴重,沒有近拍到模組化插座端
另外好奇左上角那兩顆是否是被波及的對象(因為線的部分也燒光)
看燒毀的程度應該是沒人在現場馬上處理,所以才會所有的線跟設備都燒光
在下推測幾個可能
1.某卡出現異常,但未頂到保護點,導致其中一條線路過電流而過熱燃燒,
並波及鄰近線路等可燃物,並導致大範圍燃燒(這個可能性應該會有卡有出現短路異常)
2.線路流過大電流,然後剛好線路都束在一起,線路集中處散熱不良發生過熱
最後超過絕緣皮燃點而導致燃燒(一般線路PVC/PE絕緣皮耐溫最高在105度)
同時波及鄰近可燃物造成大範圍燃燒(這個可能性卡本身不會有燒毀以外的短路異常)
3.同1,某卡造成短路,導致該卡被熱量引燃起火,並波及到附近可燃物變成大範圍燃燒
(這個可能性會有一張卡碳化特別嚴重)
假使是上面1/2點,使用矽質橡膠及鐵氟龍外皮的線,可以減低自燃或被引燃的機會
另外,模組化接頭的設計其實是有機會造成失效點,所以來說這種長時間走大電流的
可以的話盡量減少電源與線路間連接的接頭數,最好線路是由電源內直接接出
另外常常高負載使用的最好還是準備個溫度計或熱像儀,找熱點很方便
https://i.imgur.com/44TJQbF.jpg
以上假設完畢,謝謝收看
--
: 作天看到隔壁板
: 發生的案件。真恐怖 大家真的要小心阿~
: [閒聊] Power燒掉 損失慘重
: https://www.ptt.cc/bbs/DigiCurrency/M.1526824487.A.CD3.html
: https://i.imgur.com/H9FQs68.jpg
: https://i.imgur.com/3o5bmak.jpg
: 好在屋沒事,不知振華會不會處理就是了
: 等後續發展
原來還有這篇,因為沒有看到原先的排法與接法,故只能公堂之上大膽假設一下
線路的部分絕緣皮都已經燒光了,電源外殼被煙燻嚴重,沒有近拍到模組化插座端
另外好奇左上角那兩顆是否是被波及的對象(因為線的部分也燒光)
看燒毀的程度應該是沒人在現場馬上處理,所以才會所有的線跟設備都燒光
在下推測幾個可能
1.某卡出現異常,但未頂到保護點,導致其中一條線路過電流而過熱燃燒,
並波及鄰近線路等可燃物,並導致大範圍燃燒(這個可能性應該會有卡有出現短路異常)
2.線路流過大電流,然後剛好線路都束在一起,線路集中處散熱不良發生過熱
最後超過絕緣皮燃點而導致燃燒(一般線路PVC/PE絕緣皮耐溫最高在105度)
同時波及鄰近可燃物造成大範圍燃燒(這個可能性卡本身不會有燒毀以外的短路異常)
3.同1,某卡造成短路,導致該卡被熱量引燃起火,並波及到附近可燃物變成大範圍燃燒
(這個可能性會有一張卡碳化特別嚴重)
假使是上面1/2點,使用矽質橡膠及鐵氟龍外皮的線,可以減低自燃或被引燃的機會
另外,模組化接頭的設計其實是有機會造成失效點,所以來說這種長時間走大電流的
可以的話盡量減少電源與線路間連接的接頭數,最好線路是由電源內直接接出
另外常常高負載使用的最好還是準備個溫度計或熱像儀,找熱點很方便
https://i.imgur.com/44TJQbF.jpg
以上假設完畢,謝謝收看
--
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3C
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