A cooler for power electronic equipment

The utility model relates to a cooling device and it matches in power electronic equipment's heat exchanger especially to relate to one kind. Power electronic equipment's cooler has mutually perpendicular's longitudinal axis and wide axis, the cooler has first and second tip casees, and the first end case has the entering opening that is used for the cooling agent with an end connection of coolerto the second end case has a discharge opening that is used for the cooling agent with the 2nd end connection of cooler, and wherein the first and second tip casees border on in first and second lateral walls along the orientation of the wide axis of cooler, and wherein the second lateral wall of first end case and the second lateral wall of the second end case comprise following wall: the coolingtube is followed the wall rises along vertical direction extension of cooler, and the wall forms about the longitudinal axis of cooler and is not equal to zero angle, and wherein when the orientationalong the longitudinal axi