The intelligent robot used in the inspection system of intelligent robot is integrated and applied by multi-sensor fusion technology and mechatronics technology, navigation and behavior planning technology, security technology, wireless transmission technology and other modern advanced technologies.Its practical application in substations will gradually replace the operators to complete the routine inspection of substation equipment, infrared temperature measurement, equipment status inspection before and after operation, etc., realize the paperless and informatization of equipment inspection work, improve the efficiency and quality of equipment inspection, reduce the labor intensity and work risk of operators, improve the intelligent level of substation, and provide more advanced technical support platform for unattended substation.