Nanocrystalline high-frequency single-phase transformer

A single-phase transformer, nanocrystalline technology, applied in the direction of transformer/inductor core, transformer/inductor components, transformer/inductor coil/winding/connection, etc., can solve the problem of high cost and large output voltage deviation dispersion , large loss and other problems, to achieve the effect of improving technical performance of loss, solving voltage deviation and reducing cost

Inactive Publication Date: 2016-06-01
XIAN JSBOUND TECH CORP
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  • Claims
  • Application Information

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Problems solved by technology

Due to the existence of this structure: (1) the frequency is higher than 20kHZ, the loss is large; (2) the volume is large, the cost is high; (3) the coupling coefficient between the coils is small, the leakage reactance is large, and the output voltage deviation is large.

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Embodiment Construction

[0014] The implementation of the present invention will be described in detail below with reference to the accompanying drawings and embodiments, so as to fully understand how the present invention applies technical means to solve technical problems and achieve the realization process of technical effects and implement them accordingly. It should be noted that, as long as there is no conflict, each embodiment of the present invention and each feature in each embodiment can be combined with each other, and the technical solutions formed are all within the protection scope of the present invention.

[0015] In order to solve the above problems and technological innovation, the present invention adopts C-type nanocrystalline magnetic core, low-voltage winding multi-stranded wire casting, high-voltage winding through the magnetic core winding structure for the first time, and proposes a design method of nanocrystalline high-frequency single-phase transformer.

[0016] Such as figure 1 ,...

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Abstract

The invention discloses a nanocrystalline high-frequency single-phase transformer. The transformer comprises a magnetic core (1), a low-voltage winding (2), a high-voltage winding (3) and a wiring board (4), wherein the nanocrystalline high-frequency single-phase transformer magnetic core adopts two totally-same C type nanocrystalline rings that are tied by insulating bands with flux density of less than 0.5T; the low-voltage winding adopts multi-strand enamelled stranded wires; the diameters of the enamelled wires are chosen according to magnitude of frequencies so as to control the current density to be less than 4.5A/mm2, and after the enamelled wires are coiled based on layers, vacuum pouring is carried out; the high-voltage winding adopts multi-strand enamelled stranded wires passing through the magnetic core; the outlet wires are led out through a wiring nose and welded to the wiring copper bar on the wiring board (4).

Description

Technical field [0001] The invention belongs to the technical field of electric power and relates to a nanocrystalline high-frequency single-phase transformer. Background technique [0002] In the traditional high frequency transformer design, due to the limitation of the magnetic core material, its operating frequency is relatively low, generally around 20kHz. With the continuous development of power supply technology, the miniaturization, high frequency and high power ratio of power supply systems have become an eternal research direction and development trend. Therefore, researching the use of higher frequency power transformers is a key factor in reducing the size of the power supply system and increasing the power output power ratio. At present, high-frequency transformers made of ferrite materials have the characteristics of high conversion efficiency and small size. However, due to the low saturation magnetic induction of ferrite, large unit iron loss at high frequency, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/26H01F27/28H01F27/29H01F27/30
CPCH01F27/263H01F27/2823H01F27/29H01F27/306
Inventor 付银仓平帅任楠吕军平
Owner XIAN JSBOUND TECH CORP
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