Elevator safety remote supervisory system

The utility model discloses an elevator safety remote supervisory system. The elevator safety remote supervisory system comprises a GSM module, a power module and an elevator state information acquisition circuit, wherein the power module and the elevator state information acquisition circuit are connected with the GSM module. The elevator state information acquisition circuit comprises a first bridge type rectifying circuit, a first voltage comparator and a gear control circuit. The gear control circuit is connected with the first voltage comparator through an optocoupler. The gear control circuit comprises a first voltage stabilizing pipe, a first triode and a second triode. The cathode and the anode of the first voltage stabilizing pipe are connected with a positive output pin and a negative output pin of the first bridge type rectifying circuit through a first resistor and a second resistor respectively. The base of the first triode is connected with the anode of the first voltage stabilizing pipe, the co