| 摘要 |
PROBLEM TO BE SOLVED: To reduce the power consumption of a device and to reduce noise by equalizing the flow of air in the casing of electronic equipment. SOLUTION: A cooling device in the casing of the electronic equipment has a plurality of fans for forcedly air-cooling the inside of the casing of the electronic equipment for piling and mounting a plurality of stages of sub racks for housing print wiring boards for mounting electronic parts in the state of a book shelf. The air volume of a fan positioned at the center of the casing of the electronic equipment among the plurality of fans is increased, and the air volume of a fan positioned in the neighborhood of the sidewall of the casing of the electronic equipment is reduced.
|
