Efficient magnetic core sharing primary coil
A technology of primary coil and secondary coil, applied in the direction of transformer/inductor core, transformer/inductor coil/winding/connection, etc.
Inactive Publication Date: 2019-05-10
银河之星成都新能源有限公司
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- Application Information
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Problems solved by technology
The current magnetic cores are all designed for a single transformer, which is not suitable for a transformer to output multiple independent power outputs. Therefore, the present invention designs a new high-efficiency magnetic core that shares the primary coil
Method used
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example 1
[0017] Such as figure 1 As shown, a common primary coil type high-efficiency magnetic core is composed of an upper magnetic core plate 1, a primary magnetic core 2, a secondary magnetic core 3, and a lower magnetic core plate 5, wherein the upper magnetic core plate 1 or the lower magnetic core plate 5 There is an outlet hole 4 on the top. The upper and lower magnetic core plates are disc-shaped, with a mounting hole for the primary magnetic core 2 at the center, and mounting holes for the secondary magnetic core 3 around the primary magnetic core. During assembly, it is only necessary to put the coil wound on the I-shaped plastic frame on the magnetic core, then install the upper and lower magnetic core plates, and stick the contact surface of the magnetic core and the magnetic core plate with glue.
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The invention discloses the principle of an efficient magnetic core sharing a primary coil. The efficient magnetic core is composed of a cylindrical primary coil magnetic core, cylindrical secondary coil magnetic cores, and an upper disc-type magnetic core plate and a lower disc-type magnetic core plate provided with magnetic core installation holes; the primary coil magnetic core installation holes in the upper and lower magnetic core plates are positioned at the centers of the magnetic core installation holes; after the primary coil magnetic core and the secondary coil magnetic cores are installed on the upper and lower magnetic core plates, the secondary coil magnetic cores are uniformly distributed around the primary coil magnetic core.
Description
technical field [0001] The invention relates to the fields of energy, electric power and electronics, and is a transformer magnetic core with high efficiency and low cost. Background technique [0002] Magnetic core: A magnetic core refers to a sintered magnetic metal oxide composed of various iron oxide mixtures. For example, manganese-zinc ferrite and nickel-zinc ferrite are typical core body materials. Manganese-zinc ferrites are characterized by high magnetic permeability and high magnetic flux density, and have low loss characteristics. Nickel-zinc ferrite has the characteristics of extremely high resistivity and low magnetic permeability of less than a few hundred. The current magnetic cores are all designed for a single transformer, and are not suitable for the situation that one transformer outputs multiple independent power outputs. Therefore, the present invention designs a brand-new high-efficiency magnetic core that shares the primary coil. [0003] The invent...
Claims
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IPC IPC(8): H01F27/24H01F27/30
Inventor 不公告发明人
Owner 银河之星成都新能源有限公司