The application provides a heat dissipation
system with a suspended air suction structure and a spiral quick-freezing device, which comprises a cabinet, an
evaporator, a wind shielding shell and an
impeller, a connecting support is arranged in the cabinet, the wind shielding shell is connected with the connecting support, a motor support is arranged outside the cabinet, a motor is arranged on the motor support, and the rotating shaft of the motor penetrates through the cabinet and is connected with the
impeller; a supporting frame is arranged below the connecting support, the supporting frame is connected with the connecting support and the
evaporator respectively; a sealing connection structure is arranged on the cabinet, the sealing connection structure penetrates through the cabinet, and the two ends of the sealing connection structure are connected with the connecting support and the motor support respectively, so that the connecting support and the motor support are sealingly connected on the cabinet. The motor support, the connecting support and the cabinet are tightly connected through the sealing connection structure, internal cold energy is prevented from overflowing, and the temperature in the cabinet is affected.