Cytron Technical Forum

Posted: **Fri Apr 06, 2012 5:48 pm**

hi there

i need to sense, for example, a waste truck, whether it is empty or not

which kind of sensor is suitable?

what i got in my mind is an ultrasonic sensor, but as we know, the waste truck container is thick, i don't know the sensor is powerful enough or not

Please suggest a suitable sensor and state the reasons why :?:

thank you

Posted: **Fri Apr 06, 2012 5:57 pm**

http://www.cytron.com.my/viewProduct.ph ... c%20Sensor

what in my mind now is this sensor, is this suitable? :?:

Posted: **Fri Apr 06, 2012 6:08 pm**

What about taking the weight of the rubbish. How much weight can a 10-ton truck carry?

May be you can use straight line light beams (laser) installed horizontally near the roof of the truck at 4 or 5 positions. If 80% of the light beams are block, the truck is considered full. The problem is what kind of photo sensors can detect laser beams.

Allen

Posted: **Fri Apr 06, 2012 6:15 pm**

hmm, my case is very similar to the waste truck case

the container is a closed space, and the container is thick, and i am not allowed to access the container, so i don't think that the photo sensor will do the trick

Posted: **Wed Jun 27, 2012 6:41 pm**

how about a pressure sensor/ weight sensor that weights ur load?

When an empty load, it will weight certain weight, and with full/ half load, it will produce some weight. Acceptable?

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