Data centre cabinet and pressure spray system thereof

A pressure spray system of a data centre cabinet, the data centre cabinet comprising a cabinet body, an oil distribution device and a plurality of liquid distributors, wherein the cabinet body comprises a plurality of mounting racks;

• the cabinet body is sequentially mounted with a plurality of server housings from top to bottom;
• each server housing of the plurality of server housings is internally provided with a server;
• above the each server housing, one of the plurality of liquid distributors is provided;
• the oil distribution device is connected to the each liquid distributor of the plurality of liquid distributors via an oil intake device;
• a cooling liquid oil is pumped into the oil distribution device by a pump;
• the oil distribution device distributes an oil flow to the each liquid distributor under a pressure of the pump, and the each liquid distributor sprays the cooling liquid oil to the server for cooling;
• the pressure spray system comprising a main oil tank, a radiator, an oil return device and the cooling liquid oil, wherein the main oil tank, the pump, the radiator and the data centre cabinet are connected into a closed oil circuit by the oil intake device and the oil return device;
• the cooling liquid oil is pumped out of the main oil tank by the pump, after passing through the radiator for a heat exchange, the cooling liquid oil enters the oil distribution device in the data centre cabinet through a pipeline;
• the oil distribution device distributes the cooling liquid oil into the each liquid distributor under a pressure;
• the each liquid distributor sprays the cooling liquid oil to cool the server;
• the cooling liquid oil after a cooling treatment returns to the main oil tank through the oil return device;
• and
• the each liquid distributor comprises an oil return chamber, an oil spray chamber, a liquid distribution oil inlet and an oil return port;
• the oil return chamber is positioned above the oil spray chamber;
• the liquid distribution oil inlet is positioned in the oil spray chamber;
• a lower bottom face of the oil spray chamber is provided with a spray hole;
• the spray hole is directly opposite to a respective one of the servers below the each liquid distributor;
• the oil return chamber receives the cooling liquid oil from another respective one of-the servers above the each liquid distributor;
• and the oil return port is configured for discharging the cooling liquid oil in the oil return chamber.