Zero line breakage protection device for low-voltage power distribution network

The utility model discloses a zero line breakage protection device for a low-voltage power distribution network, relates to the technical field of the zero line breakage protection device for the low-voltage power distribution network, and aims to realize fault alarm after zero line breakage, realize quick alarm and reduce loss. The system comprises a signal acquisition end installed in a residential building and a signal receiving end located in a power distribution station, the signal acquisition end is connected with the signal receiving end through a connecting line, and the signal acquisition end comprises a voltage acquisition module, a voltage comparison module, a signal sending module and a first central processing module. According to the low-voltage power distribution network zero line breakage protection device, the signal acquisition end acquires a voltage signal of a connecting line, once voltage rise is found, an inner structure of the main air switch can realize instantaneous tripping and disco