They usually have a handle in which you set the specified temperature and pressure of the water. If it is done, you practically won’t need to touch the faucet anymore. It is going to turn on and off at a wave of your hand.”

how sensor automatic tap work

Solenoid valve

Transforming electrical energy into motion, the solenoid physically starts and stops the water flow.
Autotaps products use “latching” solenoid valves. The solenoid valve is initially energized to start
the water flow; the plunger is driven into the range of a permanent magnet which in turn holds
the plunger in the “open” position. In order to return the plunger into its original “closed” position
the solenoid is once again “pulsed” but this time by reversing polarity.

Infrared sensor component

When the sensor senses the presence of an object (i.e. user’s hands) in front of the tap and sends a signal
to the solenoid valve to initiate the flow of water. When the object is no longer present, the infrared unit
sends an electronic signal to the solenoid valve again to terminate the flow of water usually after a few seconds…


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