| 摘要 |
PROBLEM TO BE SOLVED: To ensure appropriate heat dissipation performance and prevent dust from entering an enclosure. SOLUTION: This electronic device is provided with a heat radiation chamber 13 isolated from the inner space 6a of an enclosure 5, a heat dissipation part 10 wherein an inlet 11 for taking in outside air into the heat dissipation chamber and an outlet 12 for discharging the outside air from the dissipation chamber are formed, a heat conductor 17 wherein one end 17a is fitted to a circuit board 14 or electronic parts 15, 15, ... arranged in the inner space, and the other end 17b is arranged in the heat dissipation chamber to conduct heat generated in the electronic parts to the heat dissipation chamber, and a cooling fan 18 that is arranged in the heat dissipation chamber and discharges the heat that is conducted by the heat conductor and generated in the electronic parts, to the outside of the heat dissipation chamber. COPYRIGHT: (C)2005,JPO&NCIPI
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