POWER SUPPLY TRANSMISSION METHOD, POWER SUPPLY TRANSMISSION TRANSFORMER AND POWER SUPPLY TRANSMISSION EQUIPMENT

摘要

PURPOSE: To excite an induced current in other power supply transmitting and receiving coils with a small current without disturbing a power supply transmitting transformer by supplying a power supply current having sine wave characteristics of a predetermined frequency to one of two power supply transmitting and receiving coils relatively rotatable while facing each other and holding predetermined intervals. CONSTITUTION: A main body 100 of transmitting equipment has a rotary cabinet 102 rotating together with a receiving portion 300 corresponding to a transmitting portion 200 and a fixed cabinet 101. A power supply transmitting transformer 1 fixes a transmitting element 1<-1> to the fixed cabinet 101 and fixes a receiving element 1-2 to the rotary cabinet 102. The receiving element 1-2 is equipped with a secondary coil L2 which generates a receiving power supply current by an induction magnetic field generated by a primary coil L1 of the transmitting element 1-1 when both the elements are placed close to a predetermined gap. The transmitting portion 200 smoothens a commercial power supply ACin n and turns it into DC, converts a DC current to a high frequency signal based on a frequency control signal, and supplies it as a transmitting power supply current P1 to the primary coil L1 of the power supply transmitting transformer 1.