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Power converter construction

A technology of power converters and transformers, applied in the direction of output power conversion devices, electrical components, etc., can solve the problem of increased contact resistance and conduction loss, the overall height of the transformer 1 is not fully utilized, and the load 5 cannot fully utilize the power supply energy, etc. problem, achieve the effect of reducing contact resistance and reducing conduction loss

Active Publication Date: 2012-09-05
DELTA ELECTRONICS (SHANGHAI) CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, after the transformer 1 with the above connection configuration is connected to the power supply motherboard 2, the subsequent conductive connection becomes a plane distribution, so the overall height of the transformer 1 is not fully utilized, which is a pity
Furthermore, in the above-mentioned connection configuration, there are a considerable number of welding points, such as copper columns 11a and 11b and the current output terminals 100 and 101 of each transformer unit 10 are welded joints, copper columns 11a and 11b and copper foils 2a and 2b It is also a welding joint, and the welding point causes an increase in contact resistance and conduction loss, so that the load 5 cannot fully utilize the power supply energy provided by the existing transformer 1

Method used

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Embodiment Construction

[0020] The following will explain the content of the present invention through embodiments, which relate to a power converter structure, so as to make full use of the overall height of the power converter structure and effectively reduce the conduction loss. However, the embodiments of the present invention are not intended to limit the present invention to be implemented in any specific environment, application or special manner as described in the embodiments. Therefore, the description of the embodiments is only for the purpose of illustrating the present invention, but not for limiting the present invention. It should be noted that, in the following embodiments and the accompanying drawings, elements not directly related to the present invention are omitted and not shown; and for the sake of easy understanding, the dimensions of each element are shown in an enlarged scale.

[0021] The first embodiment of the present invention is Figure 4 Shown is a power converter struc...

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Abstract

The invention provides a structure of a power converter. The structure of power converter comprises a connector and an integration-typed transformer. The connector comprises a plurality of connecting units, and the integration-typed transformer comprises a plurality of transformation units. The transformation units are stacked in order and are electrically connected with the corresponding connecting units in contact type so as to reduce current on-state resistance consumption and avoid welding resistance.

Description

technical field [0001] The present invention relates to a power converter structure, in particular to a power converter structure that reduces current conduction resistance loss and contact resistance. Background technique [0002] With the development of semiconductor technology, the power supply voltage required by various chips is getting lower and lower, but the required power supply current is increasing. At the same time, the power supply technology using transformers is also developing, and its efficiency and power density specifications are increasing. Under this premise, in order to realize the optimization of the power supply circuit, in addition to the optimal design of the circuit topology, components and circuit parameters, the layout, wiring, mechanism design, thermal design and other non-circuit parameter designs of the printed circuit board are also designed. more and more important. [0003] see figure 1 , which is a schematic diagram of a conventional tra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M1/00
Inventor 曾剑鸿王彬吴洪洋应建平
Owner DELTA ELECTRONICS (SHANGHAI) CO LTD