Detection and control circuit of temperature-salinity-depth probe

The embodiment of the utility model provides a detection and control circuit of a temperature and salt depth probe, the temperature and salt depth probe comprises a probe underwater part and a probe overwater part, and the probe underwater part is movably connected with the probe overwater part; the detection and control circuit of the temperature and salt depth probe is arranged at the underwaterpart of the probe and is in communication connection with the underwater part of the probe through a double-core enameled wire, and the detection and control circuit comprises a pressure detection module used for detecting a pressure signal of the position of a water area where the underwater part of the probe is located; and the probe water part is used for receiving and outputting a pressure signal. According to the detection and control circuit in the embodiment, the pressure detection module is additionally arranged to directly detect and output the pressure signal of the position of thewater area where the under