JPH0330486U

JPH0330486U -

Info

Publication number: JPH0330486U
Application number: JP8991689U
Authority: JP
Priority date: 1989-07-31
Filing date: 1989-07-31
Publication date: 1991-03-26

Description

[Brief explanation of drawings]

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……回路モジユール、２……プ
リント配線板、３……放熱板、４……電子回路部
品、５……シヤーシ、６……開口部、７……カバ
ー、８……隔壁、９……通風ダクト、１０……冷
却フイン、１１……外部ダクト、１２……冷却空
気、１３……排気口、１４……溝、１５……端部
、１６……第１の冷却フイン、１７……底辺、１
８……通風路、１９……第２図の冷却フイン、２
０……斜辺である。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 of 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... Circuit module, 2... Printed wiring board, 3... Heat sink, 4... Electronic circuit component, 5... Chassis, 6... Opening, 7... Cover, 8... Partition wall, 9... Ventilation duct, 10... Cooling fin, 11... External duct, 12... Cooling air, 13... Exhaust port, 14... Groove, 15... End, 16... First cooling fin, 17...bottom, 1
8...Ventilation passage, 19...Cooling fins in Figure 2, 2
0... is the hypotenuse. 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 opposite to the second surface, and a rectangular ventilation duct is provided on the third surface of the ventilation duct provided on the second surface. the outer surface facing the surface and the third
A box-shaped chassis having a U-shaped groove perpendicular to the first surface is provided on the outer surface facing the second surface of the ventilation duct provided on the surface of the ventilation duct, and a thin metal sheet material formed into a corrugated shape. The outer shape is formed into an isosceles triangular shape, and includes a ventilation passage that is perpendicular to the base of the isosceles triangle, and a first cooling fin provided in the ventilation duct; Like the cooling fin, it is formed by molding a metal sheet material into a corrugated shape, and the outer shape is shaped into a right triangle shape, and the hypotenuse of the right triangle is arranged so as to be in contact with the hypotenuse of the isosceles triangle of the first cooling fin. , further comprising a ventilation passage perpendicular to the bottom side of the fin in FIG. The circuit module is mounted in such a way that its two opposite sides are inserted into the U-shaped groove, and the circuit module housed in the chassis and the opening An electronic device characterized by comprising a cover attached to cover the part from the outside.