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Electromagnetic unit, array and application

An electromagnetic unit and array technology, which is applied in the electromagnetic field, can solve the problems of difficult to reflect the magnetic concentration effect and enhance the magnetic force, and achieve the effects of uniform amplification, strong controllability and simple production process.

Pending Publication Date: 2021-01-22
苏州英磁新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for a special-shaped electromagnetic unit with multiple surfaces, such as the 8-shaped coil, it only realizes the basic magnetic force generation, and it is difficult to reflect the effect of magnetic concentration and the effect of magnetic force enhancement on one side

Method used

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  • Electromagnetic unit, array and application
  • Electromagnetic unit, array and application
  • Electromagnetic unit, array and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043]A cube profile is used, coils are placed on each surface, and the magnetic field generated by the coils is perpendicular to the plane. Since the magnetic field generated by each surface coil will generate a large electromagnetic pulling force, it is necessary to add a support body to the core to support it.

[0044]The support can be made of non-magnetic structural parts, or high-permeability soft magnetic materials, or hard magnetic materials with magnetized in a certain direction. The use of non-magnetic structural parts will not generate heat due to the saturation of the magnetic field, but the enhancement of the magnetic field is limited; the use of magnetic soft magnetic structures can stimulate the concentrated magnetic field, making the magnetic field stronger, but it will also be due to soft magnetic The saturation of the material produces a more serious heating phenomenon; the use of hard magnetic materials with magnetization in a specific direction can make the increase...

Embodiment 2

[0047]A quadrangular pyramid structure is adopted, the bottom surface is rectangular, the other four surfaces are triangular, and the preferred range of the inclination angle of the triangular surface is 40° to 65°.

[0048]Such asfigure 1 with3As shown, the magnetic field of the triangular surface converges to the inside, and the rectangle on the bottom surface is the target surface for enhancing the magnetic field. The inclined angles of the four triangular surfaces can maximize the magnetic field convergence effect.

[0049]Specifically, it also involves the layout of the line. In this embodiment, such asfigure 1 with3Shown, wherefigure 1 Is a three-dimensional view of an electromagnetic unit with a quadrangular pyramid structure,figure 2 Schematic diagram of its open state. correspondfigure 2 with3, The common intersection point of the four sides, that is, the apex is a main line, the main line runs through vertically and directly leads to the hole in the center of the base surface. T...

Embodiment 3

[0053]The Halbach array is a permanent magnet array structure, through the special magnetization direction arrangement to achieve the permanent magnet magnetic line of induction superimposed on one side, the other side offset, so that the array permanent magnets can enhance the unilateral magnetic field, while the other side of the magnetic field Weakening, that is, a special structure that can converge the magnetic field to increase the single-sided magnetic line density.

[0054]Such asFigure 6 with7As shown, if the electromagnetic unit of this scheme is used for the Halbach array, not only can the magnetic concentration effect of the Halbach array be achieved, but also the rare earth resources can be independent, making the magnetic levitation track extremely feasible.

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Abstract

The invention discloses an electromagnetic unit, an array and application. The electromagnetic unit comprises a support body and a spirally wound wire arranged on the support body; the support body comprises a base surface which can be spliced with a surface on an adjacent support body to form a plane, and an edge side surface which is positioned on the same side of the base surface and of which the orthographic projection to the base surface falls into the base surface; the wire is spirally coiled on the base surface / edge side surface and is electrified to form a magnetic field perpendicularto the base surface / edge side surface; a magnetic field formed by an electrified coil on the edge side surface faces the interior / exterior of the support body, and the effect of enhancing the same magnetic pole direction and the same magnetic pole strength of the magnetic field generated by the electrified coil on the base surface is achieved. The electromagnetic unit can enhance the magnetic field above the base surface, the enhancement effect is obvious, the amplification is uniform, and the controllability is strong. Moreover, the manufacturing process is simple, the cost can be controlledaccording to actual needs, and the preparation is flexible and controllable. In addition, the electromagnetic unit is wide in application range, can be applied to various fields, and the product universality is high.

Description

Technical field[0001]The present invention relates to the field of electromagnetic technology, in particular to an electromagnetic unit, array and application.Background technique[0002]An electromagnet is a device that generates a magnetic field when a coil is energized. Generally, a conductive winding that matches its power is wound on the outside of the iron core. This current-carrying coil behaves like a magnet. Usually the iron core is made into a strip or hoof shape to make it easier to be magnetized. And in order to make the magnetism disappear after the electromagnet is powered off, the iron core usually adopts soft magnetic material with faster demagnetization. Therefore, the electromagnet exhibits magnetism when energized, and the magnetism disappears when the power is off. Electromagnets are extremely widely used in daily life, and the power of generators has been greatly improved due to its invention.[0003]The characteristics of the electromagnet are mainly reflected in t...

Claims

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Application Information

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IPC IPC(8): H01F7/20H01F27/24H01F27/30
CPCH01F7/20H01F27/24H01F27/306
Inventor 裴瑞琳高凌宇张航王彦琛刘凡华叙彬凌成翔岳岩
Owner 苏州英磁新能源科技有限公司
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