JPS58182432U

JPS58182432U - electronic circuit unit

Info

Publication number: JPS58182432U
Application number: JP7863582U
Authority: JP
Inventors: 西本　紘二郎
Original assignee: 株式会社富士通ゼネラル
Priority date: 1982-05-28
Filing date: 1982-05-28
Publication date: 1983-12-05
Also published as: JPS6246270Y2

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

[Brief explanation of the drawing]

第゛１図はこの考案による電子回路ユニットの斜視図、
第２図はシールドケースを分離した状態における断面図
、第３図はシールドケースを取外した状態における平面
図、第４図は第３図におけるＩＶ−ＩＶ線断面図、第５
図は抵抗体の取付状態を説明するための拡大断面図であ
る。図中、１は電子回路ユニット、２はプリント配線基板、
３は放熱器、４はシールドケース、５はパワートランジ
スタ、６は抵抗体、９は端子ピン、１１は透孔、１９は
ガイドピン、２１は防塵プレートである。第１図第２図Figure 1 is a perspective view of the electronic circuit unit according to this invention.
Fig. 2 is a sectional view with the shield case separated, Fig. 3 is a plan view with the shield case removed, Fig. 4 is a sectional view taken along the line IV-IV in Fig. 3, and Fig. 5 is a sectional view with the shield case removed.
The figure is an enlarged sectional view for explaining the mounting state of the resistor. In the figure, 1 is an electronic circuit unit, 2 is a printed wiring board,
3 is a heat sink, 4 is a shield case, 5 is a power transistor, 6 is a resistor, 9 is a terminal pin, 11 is a through hole, 19 is a guide pin, and 21 is a dustproof plate. Figure 1 Figure 2

Claims

[Scope of utility model registration request]

(1) Has terminal pins for connection to other circuit boards,
and a heat dissipation device consisting of a substrate on which an electronic circuit including a heat generating element that generates heat such as a power transistor is formed, and an aluminum die-cast block or the like formed to be attached to the substrate via the heat generating portion of the heat generating element. and a shield case attached to the heat radiator so as to surround the substrate between the heat radiator and the heat radiator.

(2) Utility model registration Claim (1) In claim (1), the heat radiator includes a recess into which the heat generating portion of the heat generating element is fitted, and a tightening screw provided in the recess so as to protrude and retract from the radial direction. The electronic device is characterized in that the substrate is mounted on the heat sink by fitting the heat generating portion into the recess and tightening and fixing the heat generating portion with the tightening screw. circuit unit.

(3) Utility model registration Claim (1) or (2), wherein the radiator is screwed through another circuit board;
An electronic circuit unit characterized in that an acid screw hole is formed that cooperates with a male screw.

(4) In the utility model registration claim (1), the shield case includes a guide pin for guiding the terminal pin to a predetermined insertion position in cooperation with a guide hole formed on another circuit board side. An electronic circuit unit characterized by comprising:

(5) Utility model registration In claim (1) or (4), the shield case has an opening for protruding the terminal pin, and the opening has a small hole for inserting the terminal pin. An electronic circuit unit characterized in that a dustproof plate having a dustproof plate is attached thereto.