Single -phase power consumption detector

The utility model discloses a single -phase power consumption detector, including the detector body, the upper end fixed mounting of detector body has detection device, detection device's upper end is equipped with the resistor of installing on detector body top, resistor electric connection detection device, the bottom fixed mounting of detector body has detecting contact, and the periphery of encircleing detecting contact is equipped with the spacing groove of installing on the detector body, detecting contact electric connection detection device, limiting groove activity card is equipped with the fixed protective sheath of the second of cover on detecting contact, the utility model discloses the structure is through setting up the elastic ball on the detector body, preventing of utilizing that the arch of elastic ball can be fine when the detector falls to the ground the vitals land and break, can distinguish protective resistor and detecting contact through first fixed protective sheath and the fixed prot