Free rotation formula camera device

Free rotation formula camera device includes: the driver has driver casing and outwardly directed and for the rotatable power output shaft of driver casing from the driver casing, first exchangeable part has first annular mutual inductor and is fixed in the driver casing, the exchangeable part of second has second annular mutual inductor and is fixed in the power output shaft of driver, but wherein first annular mutual inductor sets to with second annular mutual inductor and faces each other and the with respect to each other free rotation along the power output shaft direction of driver, and the camera, be fixed in on one of the power output shaft of driver casing and driver. The utility model discloses a this kind relatively the mutual inductor arrangement structure of free rotation solved free rotation formula camera device's power supply problem simple and conveniently.