Heat dissipation device for fan vibration detection system

The utility model discloses a heat dissipation device for a fan vibration detection system, which comprises a fan body, a fan driving component is arranged in the fan body, a top plate is fixedly mounted on the top side of the fan body, a vibration monitor is fixedly mounted on the top side of the top plate, and a plurality of support plates are fixedly mounted on the top side of the top plate. The same fixing ring is fixedly mounted on the multiple supporting plates, a mounting groove is formed in the inner wall of the fixing ring, a mounting ring is rotatably mounted in the mounting groove, a plurality of rack rings are fixedly mounted on the mounting ring, the rack rings drive the mounting ring to rotate in the mounting groove, the mounting ring drives an arc-shaped block and a cooling fan to rotate, and the cooling fan rotates around the vibration monitor; and a plurality of second fan blades quickly blow away heat air around the vibration monitor, so that the effect of dissipating heat of the vibration m