Detection circuit for leakage fault and detection method thereof
A detection circuit and fault detection technology, applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., can solve problems such as inability to use normal functions of equipment, high faults reported by household equipment, and affect user experience, so as to improve the safety of use and Reliability, improving user experience, and the effect of reassuring product functions
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[0033] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0034] Such as Figure 1~2 As shown, the present embodiment relates to a leakage fault detection circuit, the detection circuit includes a signal acquisition module 1, a signal receiving module 2, a main control module MCU and an alarm module 3, and the signal acquisition module 1 includes a ground wire that can be connected respectively G and the two input ends of the neutral line N, the first output end of the signal acquisition module 1 is connected to the first input end 21 of the signal receiving module 2, the second output end of the signal acquisition module 1 is connected to the first input end 21 of the signal receiving module 2 The two input terminals 22 are connected, the output terminal of the signal receiving module 2 is connected to the signal receiving terminal INTP of the main control module MCU, and the signal transmitting ter...
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