Cooling device for electronic equipment and radiating fin therefor

Abstract

Abstract PURPOSE:To improve the performance of heat exchange by installing the sub- path of a cooling fluid to a cooling flow path and using a collision jet effect. CONSTITUTION:A duct introduces the cooling air of a ventilating duct 1a to heating elements 2a, 2b, and the height of the duct is made higher than the height of a fin 3a formed to the upper section of the pre-stage heating element 2a. The top face of a duct 1b is inclined, a duct 1c is connected from the rear end of the duct 1b, and the duct 1c is directed toward an exhaust port. The heating elements 2a, 2b and fins 3a, 3b at front and rear two stages are arranged in series, and a ventilation flue system in which the sectional areas of ventilating ducts 1a, 1b, 1c having the different sectional areas of cross sections in the direction orthogonal to the direction of the flow of cooling air are reduced with approach to the down-stream side of cooling air is manufactured. Accordingly, the improvement of heat transfer performance generated from a collision jet effect and a change into a turbulence is involved, and the heat-exchanging properties of a radiating fin are improved.

Inventors

• 👤 Toshio Hatada
• 👤 畑田　敏夫
• 👤 Takayuki Shin
• 👤 隆之 新
• 👤 Takahiro Oguro
• 👤 崇弘 大黒
• 👤 Akimine Kobayashi
• 👤 小林　暁峯
• 👤 Shizuo Zushi
• 👤 頭士　鎮夫
• 👤 Fumiyuki Kobayashi
• 👤 小林　二三幸
• 👤 Susumu Iwai
• 👤 進 岩井

Bibliographic Details