HYBRID RACK COOLING SYSTEM Russian patent published in 2023 - IPC G06F1/20 H05K7/20 

FIELD: cooling systems.

SUBSTANCE: invention relates to utility systems for ensuring uninterrupted and long-term operation of server equipment in data processing centres. The technical result is achieved in that the rack hybrid cooling system contains a server rack for placing equipment and a cabinet with a cooling unit consisting of air and liquid cooling circuits connected to an external cold source. The air cooling circuit contains fans and an air heat exchanger installed along the fans and connected to an external cold source. The liquid cooling circuit contains at least one microchannel heat exchanger mounted on the equipment in the rack, connected to coolant distribution manifolds installed along the server rack. The system is equipped with at least one additional cabinet, air temperature sensors, a condensate removal system, and an automation system. The additional cabinet is tightly connected to the cabinet, forming a single internal sealed cavity. The condensate removal system and the automation system are located at the bottom and at the side of the cabinet, respectively. The server rack with the equipment and the air temperature sensors are installed in the additional cabinet, so that the air temperature sensors are located between the rack and the side walls of the additional cabinet. The liquid cooling circuit is equipped with a plate heat exchanger connected to the external cold source, the circulation pumps, the check valves and the filter, all elements of the liquid cooling circuit are connected in a closed loop. The liquid temperature sensors are installed in the closed loop at the inlet and the outlet of the plate heat exchanger. Three-way valves are installed at the coolant inlets from the external cold source to the air and the liquid cooling circuits. Two ports of each of the three-way valves are connected to the coolant inlet into the circuits, and the third port is connected to the outlet of the heated coolant from the circuits.

EFFECT: increased accuracy in maintaining the temperature, versatility of the cooling system.

3 cl, 2 dwg