Skip to content

Instantly share code, notes, and snippets.

@zhengda

zhengda/電蚊拍 修理

Created November 1, 2019 14:07
Show Gist options
  • Save zhengda/cec8a8cdbc972fb7126cf138055d4a5e to your computer and use it in GitHub Desktop.
Save zhengda/cec8a8cdbc972fb7126cf138055d4a5e to your computer and use it in GitHub Desktop.
Download ZIP
Raw
電蚊拍 修理
##
https://www.startpage.com/do/dsearch?query=%E9%9B%BB%E8%9A%8A%E6%8B%8D+%E4%BF%AE%E7%90%86
###
便宜的捕蚊拍大概都是這種電路，貴一點的電路較複雜，不過
改法都一樣。
廢話說明一下電路原理:3V直流電池電壓經過電阻和電晶體組成
的高頻震盪電路後變成交流電再輸入變壓器變成約500V的高壓交
流電，經過3個高壓二極體(rfc4k補蚊拍專用快速高壓二極體可承受
4000V的順向偏壓)和兩個高壓陶瓷電容(2KV 472M)與一個高壓麥拉
電容(2KV 223J)形成倍壓電路提供電網1500V的電壓來電擊蚊子。
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment