Car lamp experiment circuit with automatic protection function

The utility model relates to the technical field of automobiles, in particular to an automobile lamp experiment circuit with an automatic protection function, which comprises a single chip microcomputer processor, a detection unit and a blocking unit, the single chip microcomputer processor is electrically connected with the detection unit and the blocking unit, and the output end of the blocking unit is connected with a load. The detection unit comprises an electric leakage detection unit, a voltage detection unit and a current detection unit, a feedback unit is arranged between the blocking unit and the load, and the feedback unit is in communication connection with the single-chip microcomputer processor. The single-chip microcomputer processor is connected with the detection unit, the blocking unit is used for connecting a load circuit, the detection unit is used for detecting whether the voltage and current of a power supply reach the rated voltage of the load circuit and outputting an electric signal to