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How does the sensor faucet work?
March 15 , 2023
1. Principle of electromagnetic induction
When people are regarded as conductors, when they are in the magnetic field formed by 50Hz alternating current, electromagnetic induction will occur, so the human body will generate an induced current, which reacts on the original electromagnetic field, thereby changing the original current. When this change is received by the circuit, the water will be released through the electromagnetic relay.

2. Infrared receiver
The body temperature of the human body is 37 degrees. When it is higher than the room temperature, it will radiate infrared rays outward. The sensor that receives this radiation will make the faucet run

3. Infrared reflection

The infrared emitting tube emits a beam of infrared rays in the direction of water flow. When the hand stretches towards the faucet, the infrared rays are reflected by the hand. The infrared receiving tube receives the infrared light and sends the signal to the internal circuit. After the internal circuit processes, it turns on the electromagnetic When the power of the faucet is turned on, the faucet is turned on; when the hand leaves the faucet, the infrared rays are no longer reflected, the power of the electromagnetic faucet is turned off, and the water supply is stopped.

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