The utility model relates to a differential pressure precooling facility, which comprises a support frame, a container, a top base, an exhaust fan, a control system and a shielding part.The container holds agricultural products, which are stacked on the support frame in a vertical direction, and the top and bottom surfaces of the container contain holes respectively.The top base consists of a frame, a port and a deflector.The frame covers the container.The deflector is arranged in the frame to guide the air to the opening.The exhaust fan is arranged on the top base.The control system architecture is to control the operation of the exhaust fan.The shield is covered around the container and attached to the side of the container when the exhaust fan is in operation.When the control system controls the start-up of the suction fan, the air enters from the support frame and passes vertically through the holes of the plurality of containers, and then is attracted to the top base, passes through the suction fan and is discharged from the through port.一種壓差預冷設施，包含支撐架、盛裝容器、頂部基座、抽風機、控制系統及遮擋件。盛裝容器容納農產品，以垂直方向相互堆疊於支撐架之上，且其頂面與底面分別包含孔洞。頂部基座包含框架、通口及導流板。框架覆蓋於盛裝容器之上。導流板設置於框架中並用以將空氣導引至通口。抽風機設置於頂部基座。控制系統架構於控制抽風機之運作。遮擋件遮蓋於盛裝容器之周圍，並在抽風機運作時貼附於盛裝容器之側面。當控制系統控制抽風機啟動時，空氣由支撐架進入並垂直通過複數盛裝容器之孔洞，再被吸引至頂部基座、通過抽風機並由通口排出。
