Three-phase five-limb amorphous core with noise reduction function of epoxy coating and with approximate-circle cross-section
A technology of epoxy resin coating and amorphous iron core, which is applied in transformer/inductor parts, inductance/transformer/magnet manufacturing, transformer/inductor noise damping, etc., which can solve the problem of large amount of copper used in coils and easily damaged coils Insulation materials and other issues to achieve the effect of reducing noise, saving copper consumption, and avoiding damage
Inactive Publication Date: 2009-06-03
BEIJING ZJLG AMORPHOUS TECH CO LTD
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Problems solved by technology
With this core structure, the amount of copper used in the coil is relatively large, and the corners of the core are easy to damage the insulating material on the coil
Method used
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[0008] see Figure 1-2 , the present invention provides an epoxy resin-coated noise-reducing cross-section similar to a circular three-phase five-pillar amorphous core, including two outer amorphous cores 110, two inner amorphous cores 120 and three coils 400, the The above-mentioned amorphous cores are arranged in sequence, the two inner amorphous cores are located side by side between the two outer amorphous cores, the side arms of the adjacent amorphous cores are connected, and each of the amorphous cores is composed of several amorphous cores. The amorphous core sheets of the same amorphous core have different widths. The width of the outer amorphous core sheet is greater than the width of the inner amorphous core sheet. Any adjacent two Each core side arm constitutes a core column, and the two ends of the cross-section of each core column are in the shape of a protruding middle and approximately arc-shaped, and the coils are respectively sleeved on the corresponding core ...
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The invention relates to a three-phase five-limb amorphous core with noise reduction function of epoxy coating and with an approximate-circle cross-section, comprising two outer amorphous cores, two inner amorphous cores and three coils. The amorphous cores are arranged in sequence, wherein, the two inner amorphous cores are arranged between the two outer amorphous cores side by side; and the side limbs of the adjacent amorphous cores are bonded with each other to form core limbs. The amorphous cores are formed by packing a plurality of amorphous core plates, wherein, the amorphous core plates of one amorphous core have different widths, and the amorphous core plates arranged outside are wider than the amorphous core plates arranged inside. The coils are respectively sheathed on the corresponding core limbs, the two ends of each coil respectively take the shape of arc which is similar to the two ends of the core limbs, and the glue coating is coated at least on part of the area of the front end surface and the back end surface of the amorphous cores. The three-phase five-limb amorphous core of the invention has compact structure, is beneficial to saving the usage of copper in the coils, prevents the insulating materials of the coils from being damaged by extrusive corner angles, reduces the noise and is mainly used in amorphous transformers.
Description
technical field [0001] The invention relates to a three-phase five-column type amorphous core with an epoxy resin coating for noise reduction, which belongs to the field of electrical technology and is mainly used for various multi-core transformers. technical background [0002] The amorphous iron core used in multi-core transformers is stacked together by several layers of amorphous iron core sheets to form a closed electromagnetic field loop for transmitting magnetic flux. Coils are placed on the iron core columns on both sides of the iron core. After the coil is energized, it generates Alternating magnetic field, through the iron core, the magnetic flux of this magnetic field is transmitted to another coil to form an induced current, thereby realizing the function of energy transfer and voltage transformation. At present, the width of each layer of amorphous core sheets in the same amorphous core is the same. Yes, the cross-section of the side arm of the iron core thus f...
Claims
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IPC IPC(8): H01F27/26H01F27/245H01F27/33H01F41/02
Inventor 徐继斌何力张卫国徐磊
Owner BEIJING ZJLG AMORPHOUS TECH CO LTD