Intelligent stair climbing wheelchair with effect of automatic distance measurement

The invention discloses an intelligent stair climbing wheelchair with an effect of automatic distance measurement. The wheelchair comprises a travelling and climbing mechanism, a wheelchair rack, a seat, an automatic mass center regulation mechanism, and a battery pack, wherein the seat is arranged inside the wheelchair rack due to a seat suspension mechanism, and the seat suspension mechanism is connected with the wheelchair rack through a spherical hinge; the travelling and climbing mechanism comprises a star wheel mechanism and an automatic mass center regulation support; the star wheel structure is connected with the wheelchair rack by virtue of the mass center automatic regulation support; the star wheel structure has three star wheel expansion links which are uniformly distributed in circumference; the free end of each star wheel expansion link is provided with a star wheel, a servo motor is used for driving the star wheel expansion links to rotate around a transmission shaft, and star wheels rotate fre