Temperature protection signal monitoring device for steam turbine

The utility model discloses a temperature protection signal monitoring device for a steam turbine. The temperature protection signal monitoring device comprises a thermal resistance measuring element, an RTD clamping piece, a configuration module, an alarm device and a display. The configuration module comprises an R/S trigger, a quality judgment comparator and a rate judgment comparator; the thermal resistance measuring element is connected with the RTD card through a control cable, the RTD card is connected with the configuration module, the configuration module is connected with the alarm device and the display, the alarm device is connected with the display to display an alarm signal, and the configuration module transmits a temperature signal to the display to display real-time temperature data and historical temperature data. The reliability of a temperature protection signal is improved, protection maloperation is reduced, and a reset function is provided to help operation and maintenance personnel inp