AUTOMATIC DATA ACQUISITION SYSTEM BASED ON LOW-INSULATION VIBRATING WIRE SENSOR

摘要

An automatic data acquisition system based on a low-insulation vibrating wire sensor is provided, including a power module and a data acquisition module, where the power module includes a storage battery, an external power supply, and a power management unit; the storage battery is connected to the data acquisition module; the power management unit is configured to: according to a working status of the system, selectively control a connection between the data acquisition module and the external power supply and control charging and discharging of the storage battery; the data acquisition module includes a channel switching circuit and a plurality of data acquisition channels, and each data acquisition channel corresponds to at least one vibrating wire sensor; and the channel switching circuit is configured to conduct time-division control on a connected status of the data acquisition channel, to obtain data acquired by the corresponding vibrating wire sensor.