Electronic device and casing for electronic device

摘要

In a casing, a printed circuit board is arranged such that a first side of the printed circuit board has a first angle of α° with respect to a first side surface plate. A cooling device is arranged to have a second angle of β with respect to the first side surface plate. Accordingly, an amount of cooling air flowing in and out via an air intake port and an air discharge port may be increased. Furthermore, by reducing the angle of the change in the flow direction of the cooling air flowing over the printed circuit board, the cooling air flowing over the printed circuit board may be made to efficiently flow through an air discharge port 119a. Furthermore, the efficiency with which a heat-generating component on the printed circuit board is cooled may be improved.

主权项

1. An electronic device comprising:
a casing that includes a front surface plate that has an air intake port, a back surface plate that has an air discharge port, the back surface plate opposes the front surface plate, a first side surface plate, a second side surface plate that opposes the first side surface plate, and a shelf that is horizontally arranged; a printed circuit board that has a first side and a second side and that is arranged, in a space bounded by the front surface plate, the back surface plate, the first side surface plate and the second side surface plate, and is arranged on and parallel to the shelf, such that the first side is arranged to have a first angle of α (0°<α<90°) with respect to the first side surface plate; and a cooling device that includes an air inlet surface having an air inlet port and an air outlet surface having an air outlet port, the cooling device is arranged in the casing between the printed circuit board and the air discharge port in the space, such that the air inlet surface is arranged to have a second angle of β (0°<β<90°) with respect to the first side surface plate, a length of the air discharge port in a horizontal direction being substantially equal to an overall width of the cooling device along a direction of the air outlet surface multiplied by sin β, wherein a portion of the cooling device between the air inlet surface and the air outlet surface is outside of a projected view of the length of the air discharge port in the horizontal direction.