Electronic transformer
An electronic transformer and pin technology, which is applied in the field of transformers, can solve problems such as low operating frequency and power density, and does not conform to the development trend of electronic transformer miniaturization, so as to improve operating frequency and output power, increase coupling, and reduce leakage. Sensitive effect
Inactive Publication Date: 2018-12-11
江苏晨朗电子集团有限公司
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Problems solved by technology
[0005] The invention provides an electronic transformer to solve the problem that the input and output of the current LLC resonant transformer need to be wound separately, resulting in low operating frequency and power density, which do not conform to the development trend of electronic transformer structure tending to be miniaturized
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[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0033] see figure 1 , figure 2 and image 3 , which are respectively a schematic diagram of the electronic transformer 1 and a schematic diagram of the winding structure 10 of the present invention. As shown in the figure, the electronic transformer 1 of this embodiment includes a winding structure 10 , a first winding 11 and a second winding 12 wound on the winding structure 10 , and a magnetic core 13 disposed on the winding structure 10 . The wi...
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Abstract
The invention discloses an electronic transformer including a winding structure, a first winding, a second winding and a magnetic core, wherein the winding structure has a winding skeleton, First pin,A second pin and a separator blade, A bobbin is separated from the first bobbin and the second bobbin by a partition blade, A first pin and a second pin are arranged on both sides of the winding structure, and the first winding is wound to the first winding part and the second winding part through the winding notch and is connected with the first pin, the second winding is arranged on the first winding and is connected with the second pin, and the magnetic core is arranged on the winding structure and covers the first winding and the second winding. The first winding of the invention is woundaround the first winding part and the second winding part through the winding notch, and the second winding part is arranged on the first winding, so as to reduce the leakage inductance of the electronic transformer, increase its working frequency and output power, enable the product to have higher power density and conform to the demand trend of miniaturization of the transformer.
Description
technical field [0001] The invention relates to the field of transformers, in particular to an electronic transformer. Background technique [0002] At present, with the increasing requirements for the power density of electronic transformers, the structure of electronic transformers tends to be thinner and smaller. With the reduction of the area of the power board, the requirements for the welding process of components are increasing. In the current assembly process, electronic components are mainly divided into two types: patch and plug-in. SMD components are basically lighter, and the strength of welding and fixing It is not big, but for the components of high-power transformers, it is necessary to use the plug-in process to increase the fixing strength, otherwise there will be problems of easy detachment and falling, which will cause hidden dangers to the product. [0003] For the plug-in components, the industry generally adopts wave soldering process, so the patch a...
Claims
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IPC IPC(8): H01F27/30H01F27/26H01F27/29H01F19/04
CPCH01F19/04H01F27/263H01F27/29H01F27/306H01F2019/085H01F2027/297
Inventor 陈栋汪帮建
Owner 江苏晨朗电子集团有限公司