Anti electric wall circuit for leakage protection switch and application of the same
A technology of leakage protection switch and leakage protection, which is applied in the direction of emergency protection circuit device, protection that responds to fault current, circuit device, etc., can solve the problems of inability to protect against leakage, hurt people with electricity, hurt people with electric shock, etc., and achieve protection The effect of safe electricity use, simple sampling circuit and low production cost
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[0018] The present invention will be further described in detail below with reference to the drawings and specific embodiments.
[0019] Such as figure 1 As shown, the power wall circuit of the leakage protection switch of the present invention includes a voltage divider circuit composed of a resistor R6 and a resistor R7, a diode D3 as a rectifier circuit, a filter capacitor C5 as an output circuit, a Zener diode D4, and a neutral line Input terminal, ground wire input terminal and protection output terminal. The resistor R6 and the resistor R7 are respectively the first voltage dividing part and the second voltage dividing part of the voltage dividing circuit. The first end of the resistor R6 is connected to the cathode of the diode D3, and the anode of the diode D3 is connected to the ground input terminal; The first terminal of R7 is connected to the neutral input terminal; the second terminal of resistor R7 is connected to the second terminal of resistor R6. The second end ...
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