Electric automobile electric drive system high-voltage sampling circuit and electric automobile

The utility model discloses a high-voltage sampling circuit of an electric driving system of an electric automobile, which comprises a voltage division circuit, a voltage value conversion circuit, an isolation voltage conversion circuit, a voltage follower circuit and an RC filter circuit, the voltage division circuit is formed by connecting a plurality of resistors in series, and two ends of the voltage division circuit are respectively connected to two ends of a high-voltage bus; the output end of the voltage division circuit is connected to the input end of the voltage value conversion circuit, the output end of the voltage value conversion circuit is connected to the input end of the isolation voltage conversion circuit, the output end of the isolation voltage conversion circuit is connected to the input end of the voltage following circuit, and the output end of the voltage following circuit outputs sampled voltage through the RC filter circuit. The utility model has the advantages that the scheme that t