Percolate leakage monitoring device for sanitary landfill of household garbage

The invention discloses a household garbage sanitary landfill leachate leakage monitoring device which comprises a frame, a detection liquid extraction mechanism, a leachate detection mechanism and an electric control unit are arranged on the frame, and the electric control unit is connected with the detection liquid extraction mechanism and the leachate detection mechanism; the detection liquid extraction mechanism comprises a sampling pipe, a water pump, a detection box body and a water return pipe, one end of the sampling pipe is arranged in external detection liquid, the other end is connected with a water inlet pipe of the water pump, a water outlet pipe of the water pump is connected with the detection box body, one end of the water return pipe is connected with the bottom of the detection box body, and the other end is connected with the external detection liquid; a detection rod of the leachate detection mechanism is arranged in the detection box body, and the leachate detection mechanism and the wate