Data center energy-saving fresh air handling unit and working method thereof

The invention discloses a data center energy-saving fresh air handling unit and a working method thereof. The unit comprises a frame, and a fresh air channel and an air return channel are arranged inthe frame. A second heat exchanger is arranged in the air return channel; a heat recovery device is a...

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Bibliographic Details
Main Authors LIU QINGLI, YAO YONGMING
Format Patent
LanguageChinese
English
Published 21.04.2020
Subjects
CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
PRINTED CIRCUITS
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Summary:The invention discloses a data center energy-saving fresh air handling unit and a working method thereof. The unit comprises a frame, and a fresh air channel and an air return channel are arranged inthe frame. A second heat exchanger is arranged in the air return channel; a heat recovery device is arranged between the air return channel and the fresh air channel; and an internal air valve is arranged in the air return channel between the second heat exchanger and the heat recovery device, an exhaust air valve is arranged on the frame between the second heat exchanger and the internal air valve, a first heat exchanger is arranged in the fresh air channel on a rear side of the heat recovery device, and the second heat exchanger, the first heat exchanger, an expansion valve, a four-way reversing valve and a compressor are connected to form a direct expansion system. In the invention, the heat recovery device is arranged to recover energy in exhausted air; and fresh air is pretreated, a constant air supply temper
Bibliography:Application Number: CN201911231395