Heat dissipation device

The utility model provides a heat radiation device, comprising a first fin unit having a recessed area and at least one groove; a second fin unit spaced from the first fin unit; the uniform temperature plate is arranged in the concave area and is provided with a bottom surface and a top surface which are opposite to each other; the first heat pipe group is partially arranged in the groove, is attached to the bottom surface and penetrates through the first fin unit; the second heat pipe group is attached to the top surface and penetrates through the first fin unit and the second fin unit at the same time; and the third heat pipe group is attached to the top surface and penetrates through the second fin unit. 本实用新型提供一种散热装置，包括：第一鳍片单元，具有一凹陷区域及至少一凹槽；第二鳍片单元，与该第一鳍片单元相间隔；均温板，设于该凹陷区域，并具有相对的一底面及一顶面；第一热管组，部分设于该凹槽并贴附于该底面，且穿设于该第一鳍片单元；第二热管组，贴附于该顶面，并同时穿设于该第一鳍片单元及该第二鳍片单元；以及第三热管组，贴附于该顶面，且穿设于该第二鳍片单元。