| 摘要 |
PROBLEM TO BE SOLVED: To provide a dehumidifier of which dehumidification effect can be improved and of which a size can be reduced.SOLUTION: A dehumidifier is provided with a refrigeration cycle in which a compressor 7, a radiator 8, an expansion device 9, and a heat sink 10 are sequentially connected, and is provided with a precooling air passage 60 which is arranged around the heat sink 10 and receives cooling effect from the heat sink 10. Thus, all cooling action by a heat exchanger 11 can be used for dew condensation of air flowing in a second passage, and dehumidification effect can be improved. In other words, the dehumidifier can condense the air flowing in the second passage even when a passage length of the heat exchanger 11 is short.SELECTED DRAWING: Figure 3 |
