Air conditioner

Abstract

An air conditioner includes a cooling heat exchanger configured to cool air, and a wet-state detection sensor attached to an air outlet surface of the cooling heat exchanger to detect a wet state of the air outlet surface due to condensation water. The air outlet surface of the cooling heat exchanger is tilted by an angle with respect to a horizontal direction or is perpendicular to the horizontal direction, and the wet-state detection sensor is arranged at a position in an upper half area of the air outlet surface in a direction perpendicular to the horizontal direction. Alternatively, the wet-state detection sensor is arranged at a position of the air outlet surface in a high-temperature area in which the temperature is higher than an average temperature of the air outlet surface. In this case, the high-temperature area may be positioned within the upper half area of the air outlet surface.

1 . An air conditioner comprising:
 a cooling heat exchanger configured to cool air, the cooling heat exchanger including an air outlet surface from which air flows out of the cooling heat exchanger; and   a wet-state detection sensor attached to the air outlet surface of the cooling heat exchanger to detect a wet state of the air outlet surface due to condensation water, wherein   the air outlet surface of the cooling heat exchanger is tilted by an angle with respect to a horizontal direction or is perpendicular to the horizontal direction, and   the wet-state detection sensor is arranged at a position in an upper half area of the air outlet surface.   
     
     
         2 . An air conditioner comprising:
 a cooling heat exchanger configured to cool air, the cooling heat exchanger including an air outlet surface from which air flows out of the cooling heat exchanger; and   a wet-state detection sensor attached to the air outlet surface of the cooling heat exchanger to detect a wet state of the air outlet surface due to condensation water, wherein   the wet-state detection sensor is arranged at a position of the air outlet surface in a high-temperature area in which the temperature is higher than an average temperature of the air outlet surface.   
     
     
         3 . The air conditioner according to  claim 1 , wherein
 the upper half area of the air outlet surface of the cooling heat exchanger has a high-temperature area in which the temperature is higher than an overage temperature of the air outlet surface, and   the wet-state detection sensor is arranged at a position in the high-temperature area.   
     
     
         4 . The air conditioner according to  claim 1 , wherein the wet-state detection sensor is a moisture sensor adapted to detect moisture. 
     
     
         5 . The air conditioner according to  claim 1 , wherein the wet-state detection sensor is a temperature-humidity sensor adapted to detect temperature and humidity of air flowing out of the air outlet surface, the air conditioner further comprising
 a control portion adapted to calculate a dew point temperature based on a detected value of the wet-state detection sensor, and determines that the air outlet surface is, wetted by the condensation water when a detected temperature of the wet-state detection sensor is lower than the dew point temperature.   
     
     
         6 . An air conditioner comprising:
 a cooling heat exchanger configured to cool air, the cooling heat exchanger including an air outlet surface from which air flows out of the cooling heat exchanger; and   a wet-state detection sensor attached to the air outlet surface of the cooling heat exchanger to detect a wet state of the air outlet surface due to condensation water, wherein   the wet-state detection sensor is arranged at a position of the air outlet surface, in which a determination value for indicating an easy drying degree satisfies a predetermined condition so that the condensation water is easy to get dry.   
     
     
         7 . The air conditioner according to  claim 1 , wherein
 the cooling heat exchanger is an evaporator in which refrigerant is evaporated thereby cooling air,   the evaporator is one of components of a refrigerant cycle in which the refrigerant is circulated, and   operation of the refrigerant cycle is controlled based on detected value of the wet-state detection sensor, such that all the air outlet surface is made in a wet state.   
     
     
         8 . The air conditioner according to  claim 7 , further comprising
 an evaporator temperature sensor located in the air outlet surface of the evaporator at a low-temperature area where the temperature of the evaporator is lower than an average temperature, and   the wet-state detection sensor is located in the air outlet surface of the evaporator at a high-temperature area where the temperature of the evaporator is higher than the average temperature.