A MULTI-POSITION HOUSING MADE OF METAL EXTRUDED SECTION MEMBER FOR MANUFACTURING A WATERPROOF POWER ELECTRONIC DEVICE

摘要

The invention relates to a housing (100) made of metal extruded section member for manufacturing a multi- position waterproof power electronic device (200), the extruded section member forming a tunnel that is of substantially rectangular closed section and that is provided with fins (110) on at least one side of the rectangle (102, 104), said fins (110) allowing air to flow outside the housing (100) by natural convection in the extrusion direction (X), a side (101) that is not provided with fins being designed to serve as a base for fastening the housing (100) and as a support for power electronic components of the power electronic device (200). According to the invention, the fins (110) are machined transversely to the extrusion direction (X) so as to form notches (111) in the fins (110), said notches (111) being aligned in succession in an "optimum" direction (OP) that forms an angle with the extrusion direction (X) that is optimized as a function of a predetermined preferred installation direction, and said notches (111) being of geometrical shape such that they allow air to flow outside the housing (100) by natural convection in the optimum direction (OP).