Transformer as well as switch power supply and LED fluorescent lamp applying same
A technology of LED fluorescent lamp and switching power supply, applied in the direction of transformer/inductor core, transformer/inductor parts, transformer/inductor coil/winding/connection, etc. requirements and other issues, to achieve good electromagnetic compatibility and solve the effect of electromagnetic interference problems
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[0030] The technical problem solved by the present invention is to provide a transformer, a switching power supply and an LED fluorescent lamp using the transformer. The transformer can provide the maximum power with the smallest volume and has better electromagnetic compatibility. Circuits and equipment greatly reduce EMI interference to other equipment and power grids.
[0031] see figure 1 , is a schematic diagram of the traditional transformer structure, figure 1 a is the assembly diagram, figure 1 b is an exploded view, as shown in the figure, in a traditional transformer, most of the windings are exposed, and the electromagnetic waves radiate outward without shielding when the transformer is working, which is an important factor for EMI interference. At the same time, we can see that in traditional transformers, the cross-sectional area of the magnetic core part that is actually wound by the winding is small, which limits the power of the transformer to not be very h...
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