JPS6447097U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a perspective view of an electronic device showing an embodiment of this invention, Fig. 2 is a perspective view taken in the direction H in Fig. 1, and Fig. 3 is a view taken in the direction H in Fig. 1. , FIG. 4 is a diagram showing the cross section J-J in FIG. 3, FIG. 5 is a diagram seen in the direction of K in FIG. 4, FIG. 7 is a perspective view showing a conventional electronic device, FIG. 8 is a perspective view seen in the direction A in FIG. 7, FIG. 9 is a view seen in the direction B in FIG. 8, and FIG. Figure 9 shows the cross section C--C, Figure 11 is a view taken in the direction of D in Figure 10, Figure 12 is a view seen in the direction of E in Figure 10, and Figure 13 is a view of the board module. FIG. 14 is a view seen in the direction of F in FIG. 13. In the figure, 1 is the chassis, 2 is the cover, 3 is the screw, 4 is the back panel, 5 is the connector seat, 6 is the screw, 7 is the first surface, 8 is the cooling air intake port, 9 is the second surface, and 10 is the Cooling air exhaust port, 11 is ventilation duct a, 12.1, 12.2 is ventilation duct b, 13
is the third surface, 14 is the fourth surface, 15.1 to 15.
n is groove, 16.1-16. n is a heat dissipation fin, 17
．． 1-17. n is board module, 18.1~
18. n is electronic component, 19 is heat sink, 20
is a printed circuit board, 21 is a wedge-shaped clamp, 22 is a printed circuit board connector, 23 is a ventilation duct C, 2
4 is a partition plate, 25 is a ventilation duct d, 26 is a ventilation duct e, and 27 is a distribution port. Note that the same reference numerals in each figure indicate the same or corresponding parts.

Claims (1)

[Scope of utility model registration request] The first surface has a circular cooling air intake port in the center, and the second surface facing the first surface has a rectangular cooling air exhaust port provided at either the left or right end. a box-shaped chassis having a box-shaped chassis, and a first wall surface, the first surface of which is a part of the wall surface, and a first wall surface that faces the first surface, and a circulation port through which cooling air flows in the same direction as the cooling air exhaust port. the first wall has a plurality of heat dissipation fins for forming a straight cooling air flow path between the first wall and the first wall; has a first holding part on the back surface of the wall surface of the chassis, and has a first ventilation duct with a rectangular cross section located on the inner surface of the chassis, which is perpendicular to the first surface and opposite to the cooling air exhaust port. a second ventilation duct with a rectangular cross section that is located on the inner surface of the chassis and continuous with the first ventilation duct;
a part of the wall surface, and a second wall surface opposite to the second surface has a plurality of heat dissipation fins for forming a linear cooling air flow path over the entire wall surface; A third ventilation duct having a rectangular cross section and located on the inner surface of the chassis and continuous with the second ventilation duct; and having a connector on a first side, a second side and a third side that are perpendicular to the first side and held by the first holding part and the second holding part. a plurality of rectangular plate-shaped board modules having a fixed structure and mounting electronic components; the first surface, the second surface, and the third board module;
and a back panel having a connector seat that is perpendicular to each surface and that mates with the connector.