JPH044798U

JPH044798U -

Info

Publication number: JPH044798U
Application number: JP4372490U
Authority: JP
Priority date: 1990-04-24
Filing date: 1990-04-24
Publication date: 1992-01-16

Description

[Brief explanation of the drawing]

第１図はこの考案による電子機器を示す斜視図
、第２図は第１図の断面ＢＢ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ＡＡ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は冷却フイン、１１は外部
ダクト、１２は冷却空気、１３は排気口、１４は
溝、１５は端部、１６は棒状冷却フインである。
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 electronic device according to this invention, Fig. 2 is a view showing cross section BB of Fig. 1, Fig. 3 is a perspective view showing a conventional electronic device, and Fig. 4 is a cross section of Fig. 3. It is a figure showing AA. 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 cooling fin, 11 is an external duct, 12 is cooling air, 13 is an exhaust port, 14 is a groove, 15 is an end, and 16 is a rod-shaped cooling fin.
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 dart is provided on a second surface that is perpendicular to the surface of the duct, and a third surface that faces the second surface, and a rectangular ventilation dart is provided on the second surface that is perpendicular to the surface of the ventilation duct. 3, and an outer surface facing the second surface of the ventilation duct provided on the third surface is provided with a U-shaped groove that is perpendicular to the first surface. a chassis having a cylindrical shape, a large number of rod-shaped cooling fins arranged inside the ventilation duct, and densely arranged from upstream to downstream of the ventilation duct; a circuit module in which a circuit component is mounted with a heat sink sandwiched therebetween, the two opposing sides thereof are inserted into the U-shaped groove, and the circuit module is housed in the chassis; An electronic device comprising: a cover attached to the chassis so as to cover the opening from the outside.