Cabinet with enhanced convection cooling

Details Cabinet with enhanced convection cooling Cabinet with enhanced convection cooling

1998-03-17

2000-07-11

Picard, Leo P.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

361687, 361688, 361689, 361690, 361692, 361707, 165 803, 165185, 16510433, 174 161, 174 163, 454184, 3122232, H05K 720

Patent

active

060882255

ABSTRACT:
A cabinet for outdoor use for enclosing a rack of electronics equipment has a double skin protective outer casing comprising a lower air intake into a cavity between the skins of the double skin and an upper air output from the cavity to the outside, for unforced cooling air to flow, to extract heat from the equipment by convection. The inner of the skins is formed in part at least by a heat sink of the rack. This unites the thermal management of the rack and that of the enclosure to provide an improved thermal path from the cards in the rack to the cold wall. This means the temperature difference between the inner skin and the air in the cavity can be increased for a given card temperature, so more heat can be extracted. The heat sink may share the back wall of the rack with the motherboard.

REFERENCES:
patent: 3369597 (1968-02-01), Dronsuth et al.
patent: 3900700 (1975-08-01), Gaudet
patent: 4263963 (1981-04-01), Ghiraldi
patent: 5040095 (1991-08-01), Beaty et al.
patent: 5150278 (1992-09-01), Lynes et al.
patent: 5812373 (1998-09-01), Hwang

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