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馬達雜訊干擾問題!

AC、DC馬達速度控制、無刷馬達控制等...

馬達雜訊干擾問題!

文章yorickcheng 發表於 週六 10月 21, 2006 2:01 am

請問各方豪傑,小弟使用12V/2A的馬達,但馬達動作的時候,控制電路的電源vcc受到馬達干擾的影響,以致控制會產生誤動作,是否有好的方法,避免雜訊偶合到ic chip的VCC,謝謝!
yorickcheng
 
文章: 2
註冊時間: 週六 10月 21, 2006 1:53 am

文章Scott Wang 發表於 週六 10月 21, 2006 12:40 pm

這裡提出一個方法,可先參考看看:

1) 若是您的IC電源是以7805來供給,可參考以下電路.

圖檔

2) 若是您的IC電路零件都是非5V 的CMOS,可參考上面電路的右邊方塊.

3) 整流二極體IN4001等,可選用適合您的IC電流量的編號.

Good Luck.
超音波切割機(切割塑膠用),小型攜帶式,可以切割如:adapter適配器外殼,玩具模型等等,若欲詢問超音波切割機,請PM,謝謝。

可調高壓直流電源供應器,中低壓直流電源供應器,高壓模組,電壓放大器,電流放大器.
恆流源(定電流源),恆壓源(定電壓源),帶通濾波器,2V以下高精度參考電壓,標準電壓.
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另可接受其它電子專案設計.
http://hvpower.myweb.hinet.net/
...Scott Wang...
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Scott Wang
 
文章: 2302
註冊時間: 週六 1月 21, 2006 3:23 am
來自: 南部,Tainan, Taiwan

文章r931625 發表於 週二 10月 31, 2006 9:21 pm

我國二(現再也才國三)的時候曾經用PT2249做過簡單的紅外線遙控船。也發生過類似問題。班上有一個同學的家長是大安高工的電子技術人員,他說用鋁箔紙包住電路。後來試過好像沒什麼效。他說可能包不夠密。但是後來就不了了之。你可以試試看。
r931625
 
文章: 54
註冊時間: 週一 6月 26, 2006 2:54 pm
來自: 台北縣鶯歌

文章oldhan 發表於 週六 3月 22, 2008 4:38 pm

只要拆開遙控玩具車看人家是怎麼做的, 照做就對了.
:)
oldhan
 
文章: 202
註冊時間: 週日 4月 22, 2007 2:49 pm
來自: 台北縣

文章georgeliao 發表於 週六 3月 22, 2008 5:34 pm

直流馬達因為電樞的關係,很容易產生高壓的火花干擾,一看一些小馬達是在接電源的兩端點各加一個電容至至馬達的外殼。
George Liao.
[喬治查爾斯電子電路網〕
http://www.gccircuit.com/
email:georgeliao886@gmail.com
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georgeliao
Site Admin
 
文章: 3032
註冊時間: 週三 12月 14, 2005 4:39 pm
來自: Taichung, Taiwan

文章adi 發表於 週五 4月 11, 2008 12:44 pm

請問7804的4007落地做什麼用?
adi
 
文章: 57
註冊時間: 週一 7月 16, 2007 11:18 am

文章georgeliao 發表於 週五 4月 11, 2008 1:28 pm

adi 寫:請問7804的4007落地做什麼用?

讓輸出增加0.6V
George Liao.
[喬治查爾斯電子電路網〕
http://www.gccircuit.com/
email:georgeliao886@gmail.com
頭像
georgeliao
Site Admin
 
文章: 3032
註冊時間: 週三 12月 14, 2005 4:39 pm
來自: Taichung, Taiwan

Re:

文章jason7788 發表於 週四 4月 18, 2013 5:27 am

georgeliao 寫:直流馬達因為電樞的關係,很容易產生高壓的火花干擾,一看一些小馬達是在接電源的兩端點各加一個電容至至馬達的外殼。
但我又發現了這個方式,看起來很有道理,你參考一下:
原址:
http://chifi01.001.com.cn/mjbd/010922_c ... former.htm
圖檔



請問一下哦
http://chifi01.001.com.cn/mjbd/010922_c ... former.htm
這個網址 我想看....可是開不了了...請問內容大概是什麼呢?
謝謝
jason7788
 
文章: 19
註冊時間: 週日 2月 17, 2013 12:06 am

Re: 馬達雜訊干擾問題!

文章CPSEVEN 發表於 週三 9月 11, 2013 10:03 pm

最後由 CPSEVEN 於 週三 6月 06, 2018 10:49 pm 編輯, 總共編輯了 1 次
CPSEVEN
 
文章: 957
註冊時間: 週一 10月 06, 2008 8:06 pm

Re: 馬達雜訊干擾問題!

文章touoda 發表於 週二 12月 19, 2017 1:31 pm

附圖參考看看
附加檔案
2.png
參考看看
touoda
 
文章: 1
註冊時間: 週四 1月 23, 2014 10:40 pm

Re: 馬達雜訊干擾問題!

文章Lisawhip 發表於 週四 9月 20, 2018 9:43 am

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註冊時間: 週六 9月 01, 2018 3:19 pm


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