JPH0343796U

JPH0343796U -

Info

Publication number: JPH0343796U
Application number: JP10497989U
Authority: JP
Priority date: 1989-09-07
Filing date: 1989-09-07
Publication date: 1991-04-24

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は第１の冷却フイン、１７
は第２の冷却フイン、１８は第３の冷却フインで
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 diagram showing cross section BB in FIG. 1, and FIG.
The figure is a perspective view of a conventional electronic device, and Figure 4 is a perspective view of a conventional electronic device.
It is a figure which shows cross section AA of a figure. 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 first cooling fin, 17
is a second cooling fin, and 18 is a third cooling fin. 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-shaped 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. With sashimi,
At least two or more cooling fins formed by forming a metal sheet material into a corrugated shape, each having a different size of the interval between the waves, and provided in the ventilation duct in an order according to the size of the interval between the waves. 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, and the electronic circuit components are mounted in the chassis. 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.