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Planar transformer and power adapter

A technology of planar transformers and magnetic cores, which is applied in the field of transformers and can solve problems such as loose fit of magnetic cores

Pending Publication Date: 2020-09-11
HANGZHOU EV TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a planar transformer and a power adapter, which can solve the problem that the two magnetic cores are not tightly bonded, thereby improving the stability of the planar transformer
The planar transformer can solve the problem that the two magnetic cores are not tightly bonded, thereby improving the stability of the planar transformer

Method used

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  • Planar transformer and power adapter
  • Planar transformer and power adapter
  • Planar transformer and power adapter

Examples

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Embodiment Construction

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0025] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...

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Abstract

The invention discloses a planar transformer and a power adapter and relates to the technical field of transformers. The planar transformer comprises a first magnetic core, a second magnetic core, a winding, a first fixing device and a second fixing device, the first magnetic core and the second magnetic core are oppositely arranged, the winding is arranged between the first magnetic core and thesecond magnetic core, the first magnetic core is arranged between the first fixing device and the winding, the first magnetic core is arranged between the winding and the first fixing device, the second magnetic core is arranged between the winding and the second fixing device, the first fixing device is provided with a clamping groove, the second fixing device is correspondingly provided with a clamping hook matched with the clamping groove, the winding is provided with a limiting through hole, and the clamping hook can penetrate through the limiting through hole to be clamped in the clampinggroove, so that the second fixing device and the first fixing device can be locked. The power adapter comprises the planar transformer. According to the planar transformer, the problem that the two magnetic cores are not tightly attached can be solved, and then the stability of the planar transformer is improved.

Description

technical field [0001] The invention relates to the technical field of transformers, in particular to a planar transformer and a power adapter. Background technique [0002] A transformer is a static electrical device that transforms voltage or current between two or more windings at the same frequency by means of the principle of electromagnetic induction. A traditional wound transformer generally includes a coil support made of insulating material, a coil wound on the coil support and an iron core wrapped outside the coil. With the rapid development of science and technology, power electronic equipment continues to develop in the direction of smaller volume, higher power density and higher efficiency. As one of the key components in power electronic equipment, transformers also tend to be lightweight. As a result, the size of the transformer is also required to be relatively reduced, so that the demand for planar transformers is increasing day by day. [0003] However, i...

Claims

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Application Information

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IPC IPC(8): H01F27/26
CPCH01F27/263
Inventor 兰欢
Owner HANGZHOU EV TECH CO LTD
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