JPH0455194U

JPH0455194U -

Info

Publication number: JPH0455194U
Application number: JP9739790U
Authority: JP
Priority date: 1990-09-17
Filing date: 1990-09-17
Publication date: 1992-05-12

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ＢＢを示す図
、第３図は従来の代表的な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は隔壁プレート、１６は円柱状
の放熱フイン、１７は角穴、１８はねじである。
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 BB of FIG. 1, FIG. 3 is a perspective view showing a typical conventional electronic device, The figure is a diagram showing cross section AA 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 partition plate, 16 is a cylindrical radiation fin, 17 is a square hole, and 18 is a screw.
In each figure, the same reference numerals 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 ventilation duct is arranged on a second surface that is perpendicular to the surface of the box and a third surface that faces the second surface, and a square hole is provided in the inner surface of the ventilation duct. One side of the chassis is provided with a U-shaped groove that is perpendicular to the first surface, and the other side is provided with a number of cylindrical heat dissipation fins, and the cylindrical heat dissipation fins are provided on the other surface. A bulkhead plate is arranged so that the fin is located in the ventilation duct, and is arranged to cover the square hole from the inside, and is further attached to the chassis by a separable fastening part, and a rectangular partition plate. Electronic circuit components are mounted on the printed wiring board with a heat sink sandwiched between them, and the two opposing sides are arranged so as to be inserted into the U-shaped groove and housed in the chassis. An electronic device comprising a circuit module and a cover attached to the chassis so as to cover the opening from the outside.