Traditional Culture Encyclopedia - Traditional festivals - Difference between traditional wall switch and touch remote control switch
Difference between traditional wall switch and touch remote control switch
1, power failure mode is different. The wall switch is physically cut off, that is, the circuit connection is disconnected, thus cutting off the power supply. The touch switch is logically powered off, that is, although the current of the circuit is blocked, the circuit is still connected on the surface. It sends control instructions through the chip to turn on or off the electric field or photoelectric switch. This design can reduce the generation of electric arc or electric spark.
2. Different control methods. The wall switch is turned on and off by pressing the mechanical button, and the touch switch is controlled by sensing the capacitance parameter between the person and the touch button (of course, there is also resistive touch).
3, the working circuit is different. The wall switch control button directly contacts the high voltage, that is, the high voltage power supply is directly cut off. The touch switch controls the high-voltage circuit through the low-voltage circuit, and there is no high-voltage power supply where the key is touched, so it is very safe to get along! The above statement is for reference only!
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