Patent ID: 8648686
Filing Date: 2014-02-11
Classification: H01F

Abstract:
1. A resonant transformer comprising: a first bobbin comprising a first main body and a first channel running through said first main body, wherein said first main body comprises a first winding section and plural single-trough second winding sections, plural pins are arranged at said first winding section, and said single-trough second winding sections are arranged at bilateral sides of said first winding section; a first primary winding coil wound around said first winding section of said first bobbin, and connected with said pins at said first winding section; plural first secondary winding coils wound around respective single-trough second winding sections of said first bobbin; a second bobbin comprising a second main body and a second channel running through said second main body, wherein said second main body comprises a third winding section and plural single-trough fourth winding sections, and said single-trough fourth winding sections are arranged at bilateral sides of said third winding section; a second primary winding coil wound around said third winding section of said second bobbin, and connected with said pins at said first winding section of said first bobbin; plural second secondary winding coils wound around respective single-trough fourth winding sections of said second bobbin; and a magnetic core assembly partially embedded into said first channel of said first bobbin and said second channel of said second bobbin; wherein said first bobbin further comprises: a first side plate and a second side plate disposed on two opposite sides of said first main body; and plural partition plates disposed on said first main body and arranged between said first side plate and said second side plate; wherein said first winding section and said single-trough second winding sections are defined by said partition plates, said first side plate and said second side plate; wherein said second bobbin further comprises: a third side plate and a fourth side plate disposed on two opposite sides of said second main body; and plural partition plates disposed on said second main body and arranged between said third side plate and said fourth side plate; wherein said third winding section and said single-trough fourth winding sections are defined by said partition plates, said third side plate and said fourth side plate; wherein a first connecting base and a second connecting base are respectively extended from said first side plate and said second side plate, and plural additional pins are extended from said first connecting base and said second connecting base to be connected with a plurality of terminals of said first secondary winding coils; and wherein a third connecting base and a fourth connecting base are respectively extended from said third side plate and said fourth side plate, and plural additional pins are extended from said third connecting base and said fourth connecting base to be connected with a plurality of terminals of said second secondary winding coils.