Transformer structure
The present invention discloses a transformer structure. The transformer structure comprises a first primary winding, and a first secondary circuits. The first secondary circuits comprises a filtering capacitor, a conductive Cu windings and a rectifier configured onto the printed circuit board (PCB) forming the first secondary circuits PCB winding. The first primary winding and the secondary circuits are interleaved with each other.
1. A high frequency transformer structure, comprising:
multiple primary windings;
multiple secondary circuits units, each said secondary circuits unit including a printed circuit board (PCB) integrated, wherein said PCB integrated includes at least one PCB with secondary circuits conducting coils; and
an output rectifier circuit disposed on at least one PCB of said PCB integrated,
wherein said output rectifier circuit includes an output filtering device and a rectifier device,
wherein the working frequency of said rectifier device is larger than 100 Khz;
wherein each said primary winding and said secondary circuits unit are interleaved with each other.
2. The transformer structure of claim 1 , wherein said filtering device and said rectifier device are disposed between two said PCB integrated.
3. The transformer structure of claim 1 , wherein said PCB integrated includes a driving chip formed thereon.
4. The transformer structure of claim 1 , wherein said primary winding and said secondary circuits units are replaceable.
5. The transformer structure of claim 1 , wherein the inlet end and the outlet end of said secondary circuits conducting coils of said PCB integrated are substantially perpendicular.
6. The transformer structure of claim 1 , further including at least two said primary windings connected in parallel, and at least two said secondary circuits units parallel.
7. The transformer structure of claim 1 , further including at least two said primary windings connected in series, and at least two said secondary circuits units parallel.
8. The transformer structure of claim 1 , wherein at least one said secondary circuits unit outputs independently.
9. The transformer structure of claim 1 , wherein said multiple primary windings comprise multi-layer windings, each said windings of said primary winding and said secondary circuits units are interleaved with each other.
10. The transformer structure of claim 1 , further including an insulating medium for isolating said primary winding and said secondary circuits units.
11. The transformer structure of claim 1 , further including a masking layer disposed between said primary windings and said secondary circuits units.
12. A high frequency transformer, comprising:
a primary winding, and multiple secondary windings;
an iron core;
each said transformer secondary windings connected to at least one rectifier component;
a ripple-reducing device having at least one capacitor connected to said rectifier component;
multiple rectifier filtering circuit substrates, at least three conductor zones isolating from each other formed on each said rectifier filtering circuit substrate, two output ends of at least one said secondary windings connected to the first conductor zone and the second conductor zone of said circuit substrate, said ripple-reducing device connected to the third conductor zone and outputting the regulated DC voltage to a load.
13. The transformer structure of claim 1 , wherein two said primary windings that are connected and one said secondary circuits unit constitute a transformer unit.
14. The transformer structure of claim 1 , wherein two said primary windings and one said secondary circuits unit between said two primary windings constitute a transformer unit, and said transformer includes multiple said transformer units.