Pages: [1]   Go Down
Author Topic: Fixing Kitchen mixer  (Read 345 times)
0 Members and 1 Guest are viewing this topic.
Indonesia
Offline Offline
Jr. Member
**
Karma: 0
Posts: 70
Arduino rocks
View Profile
 Bigger Bigger  Smaller Smaller  Reset Reset

Dear All...

First, I apologie if this post abusing this forum.

Here we go.
I Have a kitchen mixer with broken speed controll.
Here it is with opened casing
http://i44.tinypic.com/2qjm2w8.jpg

And I thing, this is the same motor
https://www.midwestapplianceparts.com/images/9703571.jpg

I want to replace the speed controll entirely using 555 (and triac + diac) based.
I tried some schematic from internet ..but got no success.
All I got is only On-Off ..no speed regulation.

Please anybody can tell me :
1. What kind of motor it is
2. Suggestion for working speed controll schematic



Sincerely
-bino-


* mine.jpg (58.26 KB, 960x720 - viewed 22 times.)

* motor.jpg (62.77 KB, 500x500 - viewed 14 times.)
« Last Edit: September 13, 2013, 09:35:40 pm by binooetomo » Logged

UK
Offline Offline
God Member
*****
Karma: 1
Posts: 530
View Profile
 Bigger Bigger  Smaller Smaller  Reset Reset

Just two wires, looks like a normal DC motor.

In terms of schematics - show us what you've tried first?

Should be very easy to use an on/off switch and a VERY simple 555 circuit (most VERY simple 555 circuits don't give you 0-100% speed control, hence the on/off switch).
Logged

Indonesia
Offline Offline
Jr. Member
**
Karma: 0
Posts: 70
Arduino rocks
View Profile
 Bigger Bigger  Smaller Smaller  Reset Reset

Just two wires, looks like a normal DC motor.

In terms of schematics - show us what you've tried first?

Should be very easy to use an on/off switch and a VERY simple 555 circuit (most VERY simple 555 circuits don't give you 0-100% speed control, hence the on/off switch).

It's been quiet long time ago ..

As far as I remember one that I adopt is http://www.pcbheaven.com/scripts/imagepresent.php?filename=%2Fcircuitpages%2Fimages%2Fvoltagecontrolledacdimmer_1262362194.png

From http://www.pcbheaven.com/circuitpages/Voltage_Controlled_AC_Light_Dimmer/

I add another pot between VCC and Ground ... and inject the wiper output to 'Control Voltage input'

Still, I Only got On-Off ... but no speed controll.

Sincerely
-bino-
Logged

Dubuque, Iowa, USA
Offline Offline
Faraday Member
**
Karma: 47
Posts: 2520
View Profile
 Bigger Bigger  Smaller Smaller  Reset Reset

Just two wires, looks like a normal DC motor.

It's a "universal motor". It's AC and has brushes. No magnets. It could be used with DC though, typically requiring around 48V.

I don't know much about AC dimmer circuits but I can say that you have to make sure yours is tailored for an inductive load (you've got a motor -- not a lamp!). The comments on your linked page say the circuit cannot be used for an inductive load as-is.
Logged

Pages: [1]   Go Up
Jump to: