Multi-circuit breaker tripping detection circuit for transfer switching equipment

The utility model provides a multi-circuit breaker tripping detection circuit for change-over switching equipment, which relates to the field of electrical equipment and comprises an input sampling circuit, an expansion circuit, a logic circuit, an output sampling circuit and a control circuit, and is characterized in that the input sampling circuit is used for receiving a tripping signal and transmitting the processed tripping signal to the expansion circuit and the logic circuit; the logic circuit is simultaneously connected with the multiple paths of same input sampling circuits and is used for receiving the multiple paths of processed tripping signals and outputting an operation result after logic operation to the microprocessor; the expansion circuit is connected with the output of the multi-path input sampling circuit at the same time so as to transmit to the microprocessor; and the microprocessor is used for determining whether a tripping signal appears or not according to an operation result, and furt