| 摘要 |
PURPOSE: An automatic open/close fan cover structure for a cooling fan is provided to prevent dust from getting into an electronic device by turning off a cooling fan after emitting internal heat from the electronic device. CONSTITUTION: An automatic open/close fan cover structure includes a fan cover(12) for switching an air flow, a holder(13), and a mounting portion(15). The holder holds a predetermined portion of the fan cover to enable an opening operation of the fan cover when an air pressure higher than a predetermined value is applied thereto, and to cause the fan cover back to a close status when the air pressure is lowered to an ambient pressure. The mounting portion is provided on a sidewall of a housing having a predetermined containing area to fix a portion of the holder and includes a plurality of air flow paths in surroundings.
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