Multi-emission type anti-offset loose coupling transformer and compensation circuit thereof

A technology of loosely coupled transformers and compensation circuits, applied in the directions of transformer/inductor circuits, transformer/inductor cores, transformer/inductor coils/windings/connections, etc., can solve the problem of low transformer coupling coefficient, transformer coupling coefficient fluctuation, Solve problems such as magnetic core saturation, achieve the effect of small fluctuation range of overall coupling coefficient, reduce inductance variation, and improve coupling coefficient

Pending Publication Date: 2022-07-05
HANGZHOU DIANZI UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in practical applications, it is found that this new type of loosely coupled transformer not only has a low coupling coefficient, which is easy to cause saturation of the magnetic core, but also requires extremely

Method used

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  • Multi-emission type anti-offset loose coupling transformer and compensation circuit thereof
  • Multi-emission type anti-offset loose coupling transformer and compensation circuit thereof
  • Multi-emission type anti-offset loose coupling transformer and compensation circuit thereof

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Embodiment Construction

[0021] It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict.

[0022] In the description of the present invention, it should be understood that the terms "center", "portrait", "horizontal", "top", "bottom", "front", "rear", "left", "right", " The orientation or positional relationship indicated by vertical, horizontal, top, bottom, inner, outer, etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and The description is simplified rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be constru...

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Abstract

The multi-emission type anti-offset loose coupling transformer comprises an annular secondary side magnetic core and three arc-shaped primary side magnetic cores, the radial outer wall of the secondary side magnetic core is connected with a secondary side coil in a wound mode, the primary side magnetic cores are provided with primary side coils, and the primary side coils are connected with the secondary side coils in a wound mode. The plurality of primary side magnetic cores are arranged on the radial outer wall of the secondary side magnetic core at equal intervals, and a gap is formed between the opposite sides of the secondary side magnetic core and the primary side magnetic cores. According to the multi-emission type loose coupling transformer, the primary side magnetic cores are arranged around the secondary side magnetic cores at equal angles, so that the coupling coefficient of the transformer is improved, the magnetic flux distribution of the primary side magnetic cores and the secondary side magnetic cores is uniform, and the fluctuation range of the overall coupling coefficient of the transformer is very small no matter which direction the secondary side magnetic cores deviate to a certain extent.

Description

technical field [0001] The invention relates to the technical field of the non-contact power transmission field, in particular to a multi-emission type anti-offset loosely coupled transformer and its compensation circuit applied to rotary ultrasonic machining. Background technique [0002] With the continuous development of materials science, new hard and brittle materials represented by sapphire, carbon fiber composite materials, and new ceramics have been widely used in consumer electronics, advanced optics, aerospace and other fields due to their high temperature resistance, wear resistance and high hardness. Applications. But because of its excellent physical properties, it brings great difficulty to processing. As a new type of special machining technology, rotary machining technology has the characteristics of long tool life, good machining quality and high machining accuracy. It has been proved to be an effective method for machining new hard and brittle materials. ...

Claims

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Application Information

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IPC IPC(8): H01F27/30H01F27/24H01F27/42
CPCH01F27/306H01F27/24H01F27/42
Inventor 洪江锟赵晓东王孟哲陈洪欢陈张平孔亚广黄娜
Owner HANGZHOU DIANZI UNIV
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