Data center prefabricated module, data center prefabricated unit and modular data center

A data center prefabricated module, comprising:

• an upper enclosure, wherein the upper enclosure is internally provided with cable trays extending in a length direction of the upper enclosure, an upper cold channel and an upper hot channel are respectively formed on both sides of each of the cable trays in a width direction, the upper cold channel communicates with the upper hot channel through a first space above each of the cable trays, an air conditioning terminal is arranged in the first space above each of the cable trays, and a pneumatic power source for driving gas to flow is arranged in the upper cold channel, the upper hot channel or the first space above each of the cable trays;
• a lower enclosure, wherein a plurality of cabinets are sequentially arranged in the lower enclosure in a length direction of the lower enclosure, the cabinets comprising:
• a computing cabinet, a network cabinet, a distribution cabinet, a UPS (uninterrupted power supply) cabinet, a storage battery cabinet, a fire protection cabinet and a liquid cooling cabinet;
• a liquid cooling pipeline is arranged in a second space above the cabinets, the liquid cooling pipeline communicates with the computing cabinet as well as a liquid cooling channel in the network cabinet, first sealing plates are arranged on both sides of the second space above the cabinet in a width direction, respectively, and the cabinets and the first sealing plates divide a remaining space of the lower enclosure into a lower cold channel and a lower hot channel;
• and
• in an installation state, the upper enclosure is stacked on the lower enclosure, the lower cold channel communicates with the upper cold channel, and the lower hot channel communicates with the upper hot channel.