Storage chamber, refrigerator and refrigeration control method

The invention relates to a storage chamber, a refrigerator and a refrigeration control method.The storage chamber comprises a storage box, a cold guide disc, an air duct cover plate and an air duct assembly, a storage space is formed in the storage box, the cold guide disc and the storage space are oppositely arranged, the air duct cover plate and the cold guide disc are connected to form an air duct cavity, and the air duct assembly is arranged in the air duct cavity; the air duct assembly comprises a plurality of air ducts arranged on the cold guide disc; the air channel is provided with an air inlet and an air return opening which are communicated with the refrigerating system, and an air inlet door is movably arranged at the air inlet and used for adjusting the number of the air channels communicated with the refrigerating system. According to the storage chamber, radiation refrigeration can be conducted on stored objects such as food materials through the cold guide disc, and quality damage caused by the