JPH0215788U

JPH0215788U -

Info

Publication number: JPH0215788U
Application number: JP9326388U
Authority: JP
Priority date: 1988-07-14
Filing date: 1988-07-14
Publication date: 1990-01-31

Description

[Brief explanation of drawings]

第１図はこの考案による電子機器の一実施例を
示す斜視図、第２図は第１図の断面ＡＡを示す図
、第３図は従来の電子機器を示す斜視図、第４図
は第３図の断面ＢＢを示す図である。図において、１は回路モジユール、２はプリン
ト配線板、３は放熱板、４は電子回路部品、５は
シヤーシ、６は開口部、７はカバー、８は隔壁、
９は通風ダクト、１０は放熱フイン、１１は外部
ダクト、１２は冷却空気、１３はコの字型の溝、
１４は端部、１５は熱伝導ラバー、１６はばねプ
レートである。なお、各図中同一符号は同一また
は相当部分を示す。 FIG. 1 is a perspective view showing an embodiment of an electronic device according to this invention, FIG. 2 is a view taken along cross section AA of FIG. 1, FIG. 3 is a perspective view showing a conventional electronic device, and FIG. FIG. 3 is a diagram showing cross section BB in FIG. 3; In the figure, 1 is a circuit module, 2 is a printed wiring board, 3 is a heat sink, 4 is an electronic circuit component, 5 is a chassis, 6 is an opening, 7 is a cover, 8 is a partition,
9 is a ventilation duct, 10 is a heat radiation fin, 11 is an external duct, 12 is cooling air, 13 is a U-shaped groove,
14 is an end, 15 is a heat conductive rubber, and 16 is a spring plate. Note that the same reference numerals in each figure indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

The first surface is provided with an opening, and the first surface is provided with an opening.
A rectangular ventilation duct is provided on a second surface that is perpendicular to the surface and a third surface that faces the second surface, and a heat dissipation fin is disposed within the ventilation duct. An outer surface of the ventilation duct provided on the second surface facing the third surface, and an outer surface of the ventilation duct provided on the third surface facing the second surface are perpendicular to the first surface. A box-shaped chassis is provided with a U-shaped groove, and electronic circuit components are mounted on a rectangular printed wiring board with a heat sink sandwiched between them. a circuit module arranged to be inserted into the letter-shaped groove and housed in the chassis; a heat conductive rubber mainly composed of silicone rubber bonded to the two sides of the circuit module; a spring plate that is bonded to the surface of the thermally conductive rubber and fixed to the circuit module and is made of a thin sheet metal material having spring properties; and a spring plate that is attached to the chassis so as to cover the opening from the outside; An electronic device characterized by comprising a cover and a cover.