JPH042096U

JPH042096U -

Info

Publication number: JPH042096U
Application number: JP4262890U
Authority: JP
Priority date: 1990-04-21
Filing date: 1990-04-21
Publication date: 1992-01-09

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は冷却フイン、１７は上辺
、１８は底辺、１９は通風路である。なお、各図
中同一符号は、同一又は相当部分を示す。 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 a cooling air, 13 is an exhaust port, 14 is a groove, 15 is an end, 16 is a cooling fin, 17 is a top side, 18 is a bottom side, 19 is a ventilation It is a road. Note that the same reference numerals in each figure indicate the same or equivalent 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. A box having a U-shaped groove that is perpendicular to the first surface on the outer surface facing the third surface and the outer surface facing the second surface of the ventilation duct provided on the third surface. Shashishashi,
It is made by molding a thin metal sheet material into a corrugated shape and has a trapezoidal outer diameter, and the wave feeling is narrow at the top side of the trapezoid and wide at the bottom side, and a ventilation path is formed from the bottom side to the top side. ,
Furthermore, cooling fins provided in the ventilation duct and electronic circuit components are mounted on a rectangular printed wiring board with a heat sink sandwiched between them, and the two opposing sides are inserted into the U-shaped groove. An electronic device comprising: a circuit module housed in the chassis; and a cover attached to the chassis so as to cover the opening from the outside.