| 摘要 |
PROBLEM TO BE SOLVED: To reduce the cooling cost of a control board and a machine room where the control board is installed.SOLUTION: A cooling system 3 of a control board 1 includes an air conditioner 7 having the housing 4 of the control board 1 provided with a cold air outlet 54 and a suction port 57 opening inward, an indoor unit 71 installed in a machine room 31 contiguously to the housing 4 and an outdoor unit 75 installed on the outside of the machine room 31, and cooling the gas in the control board 1 capturing from suction port 57, before being supplied into the control board 1 from the cold air outlet 54. In the housing 4, a cooling gas chamber 6 having the cold air outlet 54 and suction port 57 which are opened and housing the cooling gas, and a storage chamber 49 having at least one opened inlet port 45 and at least one opened air outlet 42 communicating with the cooling gas chamber 6, and housing an apparatus 9 are formed.SELECTED DRAWING: Figure 1 |
