Information acquisition system for monitoring leakage of low-pressure gas pipe network

The utility model discloses an information acquisition system for monitoring leakage of a low-pressure gas pipe network. The information acquisition system comprises an electric actuating mechanism, a pressure sensor, a power supply box, a data acquisition and control equipment box and a background management system, the electric actuating mechanism is arranged on the pressure regulator rear valve; the electric actuating mechanism is connected with the data acquisition and control equipment box through a first signal line; the pressure sensor is arranged on the downstream low-pressure pipeline and is connected with the data acquisition and control equipment box through a second signal line; the data acquisition and control equipment box is wirelessly connected with the background management system; the power supply box is used for supplying power to the electric actuating mechanism and the data acquisition and control equipment box; and the background management system is used for sending a detection instruct