Temperature measuring probe and temperature monitoring system for high-voltage electrical apparatus

The utility model discloses a temperature measuring probe and a temperature monitoring system for a high-voltage electrical apparatus. The temperature monitoring system comprises a light source, the temperature measuring probe, an optical fiber coupler, a color sensor, a signal processing module, a data arithmetic unit and a display module; the temperature measuring probe comprises a hollow optical fiber, cholesteric crystal is packaged in the hollow optical fiber; the light source, the hollow optical fiber and the color sensor are in light path connection through the optical fiber coupler; the electrical signal output end of the color sensor is connected with the signal processing module; and electrical signals processed by the signal processing module is displayed on the display module after being calculated by the data arithmetic unit. The utility model has the advantages of simple structure and safe and reliable use, and solves the problems that the temperature of the high-voltage electrical apparatus can