Vacuum cleaner blocked pipe and/or robbag full sensor

Some domestic vacuum cleaners on the market use a simple spring loaded mechanical gadget to indicate the blocked pipe and/or full bag. I do beleive some slightly more expensive or new generation vacuum cleaners use some sort of elecronic sensor for this.

Do you know any sensor to detect blocked vacuum pipe and/or full dust bag in a vacuum cleaners? (Part number, specs, suppliers etc?)

Reply to
Mark Holvek
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The simple trick I can think of is to monitor motor speed which will increase when there is a blockage. Hall effect sensors come and an AVR Atiny microcontroller come to mind.

TC

Reply to
TC

Use the simple spring loaded mechanical gadget. This is a vacuum indicator. When the hose gets plugged, vacuum within the hose increases because there is less of a hole to suck atmosphere in to. Put a sensor of some sort on this indicator. maybe a simple microswitch, magnetic switch.

Mark Holvek wrote: ;Some domestic vacuum cleaners on the market use a simple spring loaded

;mechanical gadget to indicate the blocked pipe and/or full bag

Reply to
aiiadict

Perhaps they use a crude differential pressure gauge?

Reply to
The Real Andy

beleive

sort

in

There could be nothing simpler than a manometer!

r
Reply to
Roger Dewhurst

Thats the word i was looking for. Often found in HVAC filters.

Reply to
The Real Andy

Sounds like the name of one of those strength testers at carnivals/whatever .. Man-O-Meter!

Reply to
Lord-Data

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