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Manufacturing method of transformer

A manufacturing method and transformer technology, which is applied in the direction of transformer, inductor/transformer/magnet manufacturing, transformer/inductor parts, etc., can solve the problem of transformer performance degradation and achieve the effect of reducing the number of processes

Inactive Publication Date: 2010-05-26
DPC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, since the insulating paper 140 is sequentially covered on the transformer coil unit layer by layer, there is a problem that workability decreases when manufacturing the transformer.

Method used

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  • Manufacturing method of transformer
  • Manufacturing method of transformer
  • Manufacturing method of transformer

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Embodiment Construction

[0016] Hereinafter, embodiments of the present invention will be described based on the drawings.

[0017] Such as figure 2 As shown, the transformer has a wound transformer coil unit 230, and is covered with insulating paper 240 on both sides of the transformer coil unit 230 in the length direction, and the insulating paper 240 is used to insert the transformer coil unit 230 into the E In the case of the inside of the type core 210, the transformer coil unit 230, the E-type core 210, and the contact portion between the E-type core 210 and the I-type core 220 are insulated.

[0018] Such as Figure 4 As shown, insulating paper 240 is composed of three layers, wherein mica 242 resistant to high heat generated under high pressure is formed in the middle, and polyaramid 244 is bonded to both sides of mica 242 by adhesive liquid. Aramid 244 is relatively less corona resistant than mica 242, but is scratch resistant and thus easy to handle. That is, the insulating paper 240 has...

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Abstract

The present invention provides a manufacturing method of transformer by simply engaging the each separate layers of insulation paper to simplify manufacturing transformer process. The method includesthe following steps: inserting the transformer coil unit (230) into the inner of E-type core (210), fixing I-type core (220) by welding or engaging on it, engaging the bracket for using to install other equipments to E-type core (210) or I-type core (220), and coating insulation paper (240) on both sides of the longitudinal direction of the transformer coil unit (230) in order to insulate betweenthe transformer coil unit (230) and E-type core, said insulation paper (240) disposed corona-resistance but correspondingly not scribe resistance mica (242), and integrated engaging polyaromatic amide(244) which is not corona-resistance but scribe resistance compared with mica (242) on the two sides of said mica with adhesive.

Description

technical field [0001] The present invention relates to a transformer, and more specifically, to a method for manufacturing a transformer that insulates transformer coil units when they are assembled to an iron core. Background technique [0002] Such as figure 1 As shown, generally, the high-voltage transformer 100 is a device for generating high voltage suitable for equipment requiring high voltage, such as a magnetic amplifier of a microwave oven. On the E-shaped iron core 110 of the high-voltage transformer 100, a primary coil and a secondary coil with a larger number of turns than the primary coil are respectively arranged, and an I-shaped iron core 120 is fixed on the bottom of the E-shaped iron core 110. The lower part is welded to secure brackets for mounting to other equipment. At this time, the power input terminal to which the alternating current is applied is fixed on the primary coil, and the high-voltage wire connected to the load is connected to the end of t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F41/02H01F41/12
CPCH01F27/32H01F27/324H01F2038/003H05B6/36
Inventor 秋渊秀
Owner DPC CO LTD
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