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Magnetic element

A technology of magnetic components and bushings, which is applied in the cooling of transformers/inductors, etc., can solve the problems of low thermal conductivity and large filling space, achieve high thermal conductivity, improve heat dissipation efficiency, and solve the effects of poor heat dissipation performance

Pending Publication Date: 2019-12-27
DELTA ELECTRONICS SHANGHAI CO LTD
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Problems solved by technology

[0003] At present, the assembly of transformers is mainly filled and cured by two-component silicone rubber, which has a large filling space and low thermal conductivity, only 1.5W / mK (the two-component component A + component B is mixed according to the volume ratio of 1:1 when used, followed by a chemical reaction to solidify)

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Embodiment Construction

[0033] Typical embodiments that embody the features and advantages of the present disclosure will be described in detail in the following description. It should be understood that the present disclosure can have various changes in different embodiments without departing from the scope of the present disclosure, and that the description and drawings therein are illustrative in nature and not intended to limit the present disclosure. public.

[0034] In the following description of various exemplary embodiments of the present disclosure, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of example various exemplary structures, systems and procedures that may implement aspects of the present disclosure . It is to be understood that other specific arrangements of components, structures, exemplary devices, systems and steps may be utilized and structural and functional modifications may be made without departing from the scope ...

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Abstract

The invention relates to the technical field of power electronics, and provides a magnetic element. The magnetic element comprises a shell part, a bushing part and a magnetic element body, and is characterized in that the shell part is provided with an accommodating cavity; the bushing part is arranged in the accommodating cavity, comprises a mounting space and is made of a ceramic material; at least a part of the magnetic element body is arranged in the mounting space. The magnetic element is composed of the shell part, the bushing part and the magnetic element body. The bushing part is arranged between the magnetic element body and the shell part, and the bushing part is made of the ceramic material, so that the bushing part made of the ceramic material is higher in heat conduction efficiency compared with the bushing part made of double-component silicone rubber for filling and curing in the prior art, and the heat dissipation efficiency of the magnetic element can be improved.

Description

technical field [0001] The present disclosure relates to the technical field of power electronics, in particular to a magnetic element. Background technique [0002] At this stage, with the popularity of new energy vehicles, consumers have put forward higher requirements for the cruising range of new energy vehicles, which requires new energy vehicles to be equipped with larger capacity battery packs, which also requires on-board chargers to be larger Power, lightweight, miniaturization development. In this case, the loss of the main transformer will become larger and larger, and the improvement of heat dissipation conditions needs to be solved urgently. [0003] At present, the assembly of transformers is mainly filled and cured by two-component silicone rubber, which has a large filling space and low thermal conductivity, only 1.5W / mK (the two-component component A + component B is mixed according to the volume ratio of 1:1 when used, Then a chemical reaction occurs to c...

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Application Information

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IPC IPC(8): H01F27/22
CPCH01F27/22
Inventor 孙浩尤培艾易家平
Owner DELTA ELECTRONICS SHANGHAI CO LTD
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