JPS60146319U - flyback transformer - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来例を示す要部縦断面図である。第２図ない
し第６図は、本考案の実施例を示し、第２図は縦断側面
図、第３図は要部の半裁斜視図、第４図は第１低圧ボビ
ンと第２低圧ボビンとの組み付は状態を示す縦断側面図
、第５図は第２低圧ボビンのボビン本体の平面図、第６
図は第２低圧ボビンのカールした状態を示す要部の斜視
図である。 ２はコア、３は第１低圧側巻線、４は第２低圧側巻線、
５は高圧側巻線、９は第１低圧ボビン、１０は第２低圧
ボビン、１２は第１低圧ボビンのボビン本体、１３は隔
壁、１４はリブ、１５は第２低圧ボビンのボビン本体、
１６は透孔、Ａはフライバックトランス。FIG. 1 is a vertical cross-sectional view of a main part showing a conventional example. Figures 2 to 6 show an embodiment of the present invention, with Figure 2 being a longitudinal side view, Figure 3 being a half-cut perspective view of the main parts, and Figure 4 showing the first low pressure bobbin and the second low pressure bobbin. Fig. 5 is a longitudinal sectional side view showing the state of assembly, Fig. 5 is a plan view of the bobbin body of the second low pressure bobbin, and Fig. 6 is a top view of the bobbin body of the second low pressure bobbin.
The figure is a perspective view of the main parts of the second low-pressure bobbin in a curled state. 2 is a core, 3 is a first low voltage side winding, 4 is a second low voltage side winding,
5 is a high voltage side winding, 9 is a first low pressure bobbin, 10 is a second low pressure bobbin, 12 is a bobbin body of the first low pressure bobbin, 13 is a partition wall, 14 is a rib, 15 is a bobbin body of the second low pressure bobbin,
16 is a through hole, and A is a flyback transformer.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] コアを介して互いに磁気結合された第１、第２低圧側巻
線と高圧側巻線とを備え、第１低圧側巻線を第１低圧ボ
ビンに巻装し、第２低圧側巻線を第２低圧ボビンに巻装
するとともに、第２低圧ボビンを第１低圧ボビンに外嵌
し、高圧側巻線を巻装した高圧ボビンを第２低圧ボビン
に外嵌したフライバックトランスにおいて、前記第１低
圧ボビンの外周面に複数のリブを突設するとともに、第
２低圧ボビンのボビン本体をプラスチックフィルムシー
トから構成し、該シート状ボビン本体に複数の透孔を設
け、第２低圧ボビンをカールさせて、前記各透孔をそれ
ぞれに対応するリブに嵌合固定することにより、第１低
圧ボビンの外周に第２低圧ボビンを外嵌固定したことを
特徴とするフライバックトランス。It comprises first and second low voltage side windings and a high voltage side winding that are magnetically coupled to each other via a core, the first low voltage side winding is wound around a first low voltage bobbin, and the second low voltage side winding is wound on a first low voltage bobbin. The flyback transformer is wound on a second low voltage bobbin, the second low voltage bobbin is fitted onto the first low voltage bobbin, and the high voltage bobbin wound with the high voltage side winding is fitted onto the second low voltage bobbin. A plurality of ribs are provided protrudingly on the outer peripheral surface of the first low-pressure bobbin, and the bobbin body of the second low-pressure bobbin is made of a plastic film sheet, and a plurality of through holes are provided in the sheet-like bobbin body, and the second low-pressure bobbin is curled. A flyback transformer characterized in that the second low-pressure bobbin is externally fitted and fixed to the outer periphery of the first low-pressure bobbin by fitting and fixing each of the through holes to the corresponding ribs.