| 摘要 |
PURPOSE:To make possible free rotation of a rotating table on which an X-ray tube is mounted and effectively supply electric power to the X-ray tube by supplying power by magnetic connection through a rotating transformer. CONSTITUTION:An X-ray tube 1 is fixed in the periphery of a rotating table 2, and an X-ray detector 3 is set in the position, facing the X-ray tube 1, of the table 2. A rotating transformer having coreless structure which can freely rotate between a primary winding 4a and a secondary winding 4b is arranged in a rotating axis of the rotating table 2 so that both rotating centers coincide. The secondary winding 4b is fixed to the rotating table 2 through stays 5 and rotates with the table 2. The primary winding 4a is fixed to a still part (not shown in the figure). Electric power supplied to the primary winding 4a from an electric power supply device 6 is taken out with the secondary winding 4b which is magnetically connected to the primary winding 4a and this power is supplied to the X-ray tube 1 through a high-tension cables 7. |
