Dishwasher and controlling method of dishwasher

Abstract

A dishwasher including a tub including an opening; a door configured to open and close the opening; a first blower positioned at a first side of the tub; and a second blower positioned at a second side of the tub; wherein the first blower is configured to, while the door is positioned to open the opening, discharge a portion of air inside of the tub through the opening to outside of the tub so as to lower humidity inside of the tub, and the second blower is configured to, while the door is positioned to open the opening, circulate air inside of the tub that is not discharged by the first blower.

What is claimed is: 
     
         1 . A dishwasher comprising:
 a tub including an opening;   a door configured to open and close the opening;   a first blower positioned at a first side of the tub; and   a second blower positioned at a second side of the tub;   wherein the first blower is configured to, while the door is positioned to open the opening, discharge a portion of air inside of the tub through the opening to outside of the tub so as to lower humidity inside of the tub, and   the second blower is configured to, while the door is positioned to open the opening, circulate air inside of the tub that is not discharged by the first blower.   
     
     
         2 . The dishwasher of  claim 1 , wherein
 the first side of the tub faces the second side of the tub.   
     
     
         3 . The dishwasher of  claim 1 , wherein
 the first blower includes:
 a blow fan, and 
 a blow duct forming a flow path to guide air blown by the blow fan toward the opening. 
   
     
     
         4 . The dishwasher of  claim 1 , wherein
 the second blower includes:
 a blow fan, and 
 a blow duct forming a flow path to guide air blown by the blow fan away from the opening. 
   
     
     
         5 . The dishwasher of  claim 3 , wherein
 the opening is formed in a front side of the tub,   the door is rotatable so that an upper portion of the door is movable away from and toward the tub to open and close the opening, and   the first blower includes:
 an inlet provided at a first end of the flow path, and 
 an outlet provided at a second end of the flow path and positioned forward of the inlet toward the opening, 
 wherein the air flowing on the flow path is sucked into the inlet from inside of the tub, and discharged through the outlet, by the blow fan. 
   
     
     
         6 . The dishwasher of  claim 5 , wherein
 the flow path is a first flow path,   the outlet is a first outlet, and   the first blower includes:
 a second flow path partitioned from the first flow path, and 
 a second outlet positioned below the first outlet and configured to circulate air flowing on the second flow path to inside of the tub. 
   
     
     
         7 . The dishwasher of  claim 3 , wherein
 the opening is formed in a front side of the tub,   the door is rotatable so that an upper portion of the door is movable away from and toward the tub to open and close the opening, and   the second blower includes:
 an inlet provided at a first end of the flow path, and 
 an outlet provided at a second end of the flow path and positioned below the inlet, 
 wherein the air flowing on the flow path is sucked into the inlet from an inside of the tub, and discharged through the outlet to inside of the tub, by the blow fan. 
   
     
     
         8 . The dishwasher of  claim 7 , wherein
 the flow path is a first flow path,   the outlet is a first outlet, and   the second blower includes:
 a second flow path partitioned from the first flow path; and 
 a second outlet positioned below the inlet and arranged in a front-rear direction with respect to the first outlet, wherein air flowing on the second flow path is discharged through the second outlet to inside of the tub. 
   
     
     
         9 . The dishwasher of  claim 1 , wherein
 each of the first blower and the second blower includes:
 a blow fan, and 
 an inlet cap facing the blow fan and detachably installed on an inner wall of the tub, and 
   the inlet cap includes:
 a body portion covering the blow fan and configured to prevent at least one of foreign materials or washing water in the tub from entering the blow fan, and 
 an inlet formed between the inner wall of the tub and the body portion, wherein air inside of the tub is sucked through the inlet. 
   
     
     
         10 . The dishwasher of  claim 9 , wherein
 the inlet cap includes:
 at least one inlet guide rib formed on the body portion and extending toward the blow fan, the at least one inlet guide rib having a downwardly inclined, curved shape. 
   
     
     
         11 . The dishwasher of  claim 1 , wherein
 the opening is formed in a front side of the tub,   the door is rotatable so that an upper portion of the door is movable away from and toward the tub to open and close the opening,   the first blower includes:
 a first blow fan, 
 a first blow duct detachably installed on an outer wall of the first side of the tub and configured to guide air blown by the first blow fan, and 
 a first outlet cap detachably installed on an inner wall of the first side of the tub at an end of the first blow duct so as to communicate the first blow duct with inside of the tub, 
   the second blower includes:
 a second blow fan, 
 a second blow duct detachably installed on an outer wall of the second side of the tub and configured to guide air blown by the second blow fan, and 
 a second outlet cap detachably installed on an inner wall of the second side of the tub at an end of the second blow duct so as to communicate the second blow duct with inside of the tub, 
   the first outlet cap includes a first outlet guide rib inclined toward a front, upper direction and configured to induce air guided by the first blow duct to move toward the opening, and   the second outlet cap includes a second outlet guide rib inclined downward and configured to induce air guided by the second blow duct to move away from the opening.   
     
     
         12 . The dishwasher of  claim 1 , further comprising:
 a controller configured to control the first blower and the second blower.   
     
     
         13 . The dishwasher of  claim 12 , wherein
 the controller is configured to control the first blower and the second blower to operate according to an elapse of a preset time after the door opens the opening.   
     
     
         14 . The dishwasher of  claim 13 , wherein
 the controller is configured to control each of the first blower and the second blower to change a blowing force periodically.   
     
     
         15 . The dishwasher of  claim 13 , wherein
 the controller is configured to control each of the first blower and the second blower to be repeatedly turned on and off periodically.