High-voltage switch cabinet and temperature detection method

The invention provides a high-voltage switch cabinet and a temperature detection method, and relates to the technical field of power systems. The high-voltage switch cabinet comprises a circuit breaker, a current transformer, a temperature sensor, a wireless transmitting module, a wireless receiving module and a display screen. The current transformer and the temperature sensor are arranged on the circuit breaker; the current transformer is electrically connected with the temperature sensor and the wireless transmitting module respectively; the wireless transmitting module is in communication connection with the wireless receiving module, and the wireless receiving module is electrically connected with the display screen; the current transformer is used for sensing current passing through the circuit breaker to generate electric energy to supply power to the temperature sensor and the wireless transmitting module when the circuit breaker is switched on; after being powered, the temperature sensor is used for