Cooling element for a non-uniformly distributed heat load

摘要

For cooling an encased electric device (100) by means of the convection flow of a medium, a cooling element (400) is attached to device (100), said cooling element includes a back plate and ribs (401) fastened to device (100) at certain distances. The width of at feast one space (402) between the ribs is different at different points. The width of the spaces (402) between the ribs is at the widest at the points of the cooling element which, in the intended position of use of the cooling element, are downwards and/or sidewards, and at the narrowest at the points of the cooling element at which the electric device (100) contains a component that produces a lot of heat during use.