JPS58140626U

JPS58140626U - small transformer

Info

Publication number: JPS58140626U
Application number: JP3703282U
Authority: JP
Inventors: 間木　正和; 日野　道生
Original assignee: 松下電器産業株式会社
Priority date: 1982-03-15
Filing date: 1982-03-15
Publication date: 1983-09-21

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図イは本考案の一実施例を示す分解斜視図、第１図
咀ま同組立完成品の斜視図、第２図イは本考案の他の実
施例のトランスの分解斜視図、第２図口は同要部拡大図
、第３図はさらに他の実施例のトランスの分解斜視図、
第４図〜第７図はそれぞれ本考案のさらに他の実施例の
トランスの分解斜視図及び断面図、第８図は一般的なト
ランスの電気回路図、第９図は従来のトランスを示す分
解斜視図、第１０図〜第１２図はトランスを絶縁性樹脂
で充填封止した時の前記絶縁性樹脂の膨張・収縮による
応力を示す断面図。１・・・トランス、２・・・ボビン、３・・・コイル、
４・・・絶縁性板状体、５，６．１２・・・フェライト
コア、７．１３・・・絶縁性テープ、９・・・ケース、
１０・・・絶縁性樹脂。Ｔ３　　　Ｔ１１Ｔ１？２第１２図ヒ　　　　　　−＼　Ｆ【第９図Fig. 1A is an exploded perspective view showing one embodiment of the present invention; The opening of Figure 2 is an enlarged view of the same essential parts, and Figure 3 is an exploded perspective view of a transformer of another embodiment.
Figures 4 to 7 are exploded perspective views and sectional views of transformers according to other embodiments of the present invention, Figure 8 is an electric circuit diagram of a general transformer, and Figure 9 is an exploded view of a conventional transformer. The perspective view and FIGS. 10 to 12 are cross-sectional views showing stress caused by expansion and contraction of the insulating resin when the transformer is filled and sealed with the insulating resin. 1...Transformer, 2...Bobbin, 3...Coil,
4... Insulating plate-shaped body, 5, 6.12... Ferrite core, 7.13... Insulating tape, 9... Case,
10... Insulating resin. T3 T 11 T1?2 Fig. 12 H -＼ F [Fig. 9

Claims

[Scope of utility model registration request]

A transformer in which a ferrite core is attached to a bobbin wound with a coil is housed in a bottomed cylindrical case, and the transformer is filled and sealed with an insulating resin. . A small transformer, characterized in that an insulating plate-like body having poor adhesion to the insulating resin is inserted.