| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an air conditioning system which reduces the air conditioning energy of a data center, does not increase a space of an air conditioning facility, eliminates unevenness of a temperature, and saves the waste in energy consumption.SOLUTION: In a local circulation air conditioning system of a data center 1, two rows of a plurality of racks for accommodating an electronic device having a heat generation body of an ICT (Information and Communication Technology) device or the like are arranged in parallel with each other, underfloor spaces 4 in which spaces between the opposing rows are arranged alternately in a cooling space region C1 and a heat discharging space region H1 are connected to each other, the cooling air conditioning facility 6 is arranged at a lower face of a grille floor 3 between the rack rows of the cooling space region, an immediately-lower part of the grille floor is covered with a wire net 61 having a filter action, a blowing fan 62 and a cooling coil 63 are arranged at a lower part of the wire net, a suction opening 64 for sucking in warm air from the heat discharging space region in an underfloor space is formed at the lower part, cold air is blown to the upper cooling space region from the grille floor, a thermal load of the electronic device is processed by the cold air of the cooling space region and discharged to the adjacent heat discharging space region, and the warm air of the heat discharging space region is sucked from the grille floor and circulated to the cooling coil.</p> |
