Inductance element provided with permanent magnet bias magnet and bypass magnetic core
A technology of inductive components and magnetic cores, which is applied to inductors with magnetic cores, transformer/inductor cores, etc., can solve the problems of reducing the inductance of inductive components, demagnetizing permanent magnets, and offsetting, so as to improve power density and increase Large inductance, reduce the effect of magnetic core saturation
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[0019] The specific embodiments of the present invention will be described in detail below with reference to the drawings
[0020] Such as figure 1 with image 3 As shown, the inductance element with permanent magnet bias and bypass magnetic core of the present invention includes a coil 1, a magnetic core with at least one air gap in the coil 2, a local bypass soft magnet 4 that collectively forms an air gap 3. Magnetic spacer 5 and permanent magnet 6.
[0021] Such as Figure 5 As shown, in addition to the coil 1, the magnetic core with at least one air gap in the coil 2, the partial bypass soft magnet 4, the soft magnetic gasket 5 and the permanent magnet 6 that together form the air gap 3, the third embodiment also includes avoidance The plastic gasket 10 where the air gap magnetic core is in direct contact with the permanent magnet.
[0022] The magnetic flux generated by the permanent magnet is superimposed with the magnetic flux generated in the magnetic core when the current ...
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