Containerized data center and refrigeration method thereof

A containerized data center at least comprising a container body and an integrated refrigeration apparatus;

• wherein
• the container body is internally provided with a to-be-cooled device set dividing internal space of the container body into a cold channel and a hot channel;
• the integrated refrigeration apparatus at least comprises a body, a liquid cooling system and an air cooling system, wherein the body is connected to one end of the container body, and the liquid cooling system and the air cooling system are installed in the body;
• the body has an outdoor air inlet, an outdoor air outlet, an operating air inlet and an operating air outlet, wherein the operating air inlet is interconnected to the hot channel, and the operating air outlet is interconnected to the cold channel, such that after heat exchange through the air cooling system, hot air in the hot channel is discharged into the cold channel through the operating air outlet;
• and
• the liquid cooling system at least comprises a dry cooler and a liquid supply and return pipe connected in series with the dry cooler, wherein the dry cooler is positioned between the outdoor air inlet and the outdoor air outlet, a plurality of liquid cooling cold plates are connected in series with the liquid supply and return pipe, the plurality of liquid cooling cold plates are connected in parallel with each other, and the plurality of liquid cooling cold plates respectively come into contact with a heat source of the to-be-cooled device set.