| 摘要 |
An electronic equipment includes: air sending unit configured to send, at a front of an inside of a casing, air in a direction from a front surface of the casing to a back surface to cool a heat generating element; air flow control unit that is disposed in the inside of the casing and behind the air sending unit and is for controlling, by a shape, an air flow generated by air blow of the air sending unit; and expanding unit that is disposed in the inside of the casing and behind the air flow control unit, includes an additional electronic circuit for an electronic circuit mounted on a main board, which are the electronic circuits as cooling targets of the air blow of the air sending unit, and is for expanding a function of the electronic circuit of the main board, wherein the expanding unit has a hollow structure casing and includes the additional electronic circuit in an inside of the casing, and the air flow control unit has an opening part for allowing the air flow to pass through and a blocking part to block the air flow, and supplies most of the air flow into the inside of the casing of the expanding unit by the opening part and the blocking part.
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