Humidity control device

Abstract

An object of the invention is to enhance maintenability of a humidity control device, and the like. There is provided a humidity control device that dehumidifies one of outdoor air and indoor air and humidifies the other in adsorption heat exchangers ( 31, 32 ), and then supplies the outdoor air to an inside of a room, and exhausts the indoor air to an outside of the room, the device including casings ( 11 A, 11 B), a refrigerant circuit ( 12 ) having the adsorption heat exchangers ( 31, 32 ), a compressor ( 27 ), a switching mechanism ( 26 ) of a circulation direction of a refrigerant, and refrigerant pipes ( 29 ), fans ( 34, 35 ), and an electric component unit ( 15 ), wherein the casings ( 11 ) include a first casing ( 11 A) in which the fans ( 34, 35 ), the switching mechanism ( 26 ), and the electric component unit ( 15 ) are arranged, and a second casing ( 11 B) in which the adsorption heat exchangers ( 31, 32 ) are arranged, and the first casing ( 11 A) and the second casing ( 11 B) are mutually connected through ducts (D 5, D 6 ).

1 . A humidity control device that dehumidifies one of outdoor air and indoor air, and humidifies the other in adsorption heat exchangers each carrying an adsorbent to adsorb moisture of air, and then supplies the outdoor air to an inside of a room, and exhausts the indoor air to an outside of the room, the device comprising:
 casings;   a refrigerant circuit having the adsorption heat exchangers, a compressor that circulates a refrigerant, a switching mechanism that switches a circulation direction of the refrigerant, and refrigerant pipes that connect the adsorption heat exchangers, the compressor, and the switching mechanism;   fans that respectively take the outdoor air and the indoor air into one of the casings; and   an electric component unit including control parts of the humidity control device,   wherein the casings include:   a first casing in which the fans, the switching mechanism, and the electric component unit are arranged; and   a second casing in which the adsorption heat exchangers are arranged, and   the first casing and the second casing are mutually connected through ducts.   
     
     
         2 . The humidity control device according to  claim 1 , wherein
 the first casing is provided with a supply air outlet to supply the air to the inside of the room and an exhaust outlet to exhaust the air to the outside of the room, and   the second casing is provided with an outside air intake to take in the outside air, and an inside air intake to take in the indoor air.   
     
     
         3 . The humidity control device according to  claim 1 , wherein
 the first casing is provided with an outside air intake to take in the outside air, and an inside air intake to take in the indoor air, and   the second casing is provided with a supply air outlet to supply the air to the inside of the room and an exhaust outlet to exhaust the air to the outside of the room.   
     
     
         4 . The humidity control device according to  claim 3 , wherein air filters are provided on a suction side of the respective fans inside the first casing. 
     
     
         5 . The humidity control device according to  claim 2 , wherein the ducts include a duct for outside air that introduces the outdoor air to the first casing, and a duct for inside air that introduces the indoor air to the first casing, the outdoor air being taken into the second casing from the outside air intake, and the indoor air being taken into the second casing from the inside air intake. 
     
     
         6 . The humidity control device according to  claim 3 , wherein the ducts include a duct for outside air that introduces the outdoor air to the second casing, and a duct for inside air that introduces the indoor air to the second casing, the outdoor air being taken into the first casing from the outside air intake, and the indoor air being taken into the first casing from the inside air intake. 
     
     
         7 . The humidity control device according to  claim 1 , wherein the compressor is connected to the refrigerant pipes drawn from the first casing. 
     
     
         8 . The humidity control device according to  claim 1 , wherein the compressor is arranged inside the first casing. 
     
     
         9 . The humidity control device according to  claim 7 , wherein a plurality of second units are connected to a first unit in parallel, the plurality of second units each being configured by the second casing and internal equipment of the second casing, and the first unit being configured by the first casing, internal equipment of the first casing, and the compressor. 
     
     
         10 . The humidity control device according to  claim 8 , wherein a plurality of second units are connected to a first unit in parallel, the plurality of second units each being configured by the second casing and internal equipment of the second casing, and the first unit being configured by the first casing, internal equipment of the first casing, and the compressor.