Combined transformer
A combined transformer and winding frame technology, which is applied in the field of transformers, can solve the problems of unfavorable transformer structure volume reduction, increase the distance between the core group and the winding extension surface, and increase the overall thickness of the transformer structure, so as to achieve small thickness and expansion number effect
Active Publication Date: 2012-09-26
DELTA ELECTRONICS INC
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Problems solved by technology
However, in order to meet the requirements of safety regulations, the existing transformer structure needs no short circuit between the iron core group and the winding wire. Therefore, the existing transformer structure needs to install a protective cover between the iron core group and the winding wire. To increase the creepage distance between the core group and the winding
This protective cover will increase the overall thickness of the transformer structure, which is not conducive to the reduction of the volume of the transformer structure
Method used
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[0021] see Figure 1 to Figure 3 , are respectively the three-dimensional assembled view and the three-dimensional exploded view of the first preferred embodiment of the combined transformer of the present invention. The combined transformer 1 includes at least three bobbins 10 and a core assembly 20 ; the components of the combined transformer 1 will be described in sequence below.
[0022] For the convenience of description, the at least three bobbins 10 are respectively referred to as the first bobbin frame 10A, the second bobbin frame 10B and the third bobbin frame 10C; The bobbins, the second bobbin frame 10B and the third bobbin frame 10C can be used as secondary bobbin bobbins; in other words, the combined transformer 1 of this embodiment can output at least two sets of currents.
[0023] Each of these bobbins 10A, 10B and 10C is manufactured separately, and then arranged side by side. The first winding frame 10A may be located between the second winding frame 10B and...
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The invention discloses a combined transformer, which comprises at least three parallel reels and an iron core group, wherein the reels are respectively provided with two separated baffles, a wrapping post, a penetrating slot and two metal pins, the wrapping post is arranged between the two baffles, the penetrating slot penetrates through the two baffles and the wrapping post, the two metal pins are arranged on one of the two baffles, the wrapping post is wound on a coiling, two ends of the coiling are respectively connected with the two metal pins, the iron core group is provided with two separated magnetic plates and at least three separated magnetic posts which are arranged between the magnetic plates, the reels are clamped between the two magnetic plates, and the magnetic posts are located in the through slot of the reels. Therefore, the thickness of the combined transformer can be reduced, and the combined transformer has multiple outputs.
Description
technical field [0001] The invention relates to a transformer, in particular to a combined transformer. Background technique [0002] A transformer structure is provided inside some electronic products to adjust the voltage of the external power supply to an appropriate value, so that other electronic components in the electronic product can use the external power supply. [0003] With the thinning trend of electronic products, the volume of the electronic components in the electronic products needs to be reduced, and the volume of the transformer structure must also be reduced. However, in order to meet the requirements of safety regulations, the existing transformer structure needs no short circuit between the iron core group and the winding wire. Therefore, the existing transformer structure needs to install a protective cover between the iron core group and the winding wire. To increase the creepage distance between the core set and the winding. The protective cover wi...
Claims
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IPC IPC(8): H01F27/30H01F27/24H01F30/06
Inventor 曾祥益蔡辛卫李铭成陈义霖
Owner DELTA ELECTRONICS INC