Air conditioner

Abstract

An air conditioner is provided. The air conditioner includes a main and sub drain pan, a first and second heat exchanger, a condensed water pipe, and a pipe coupling element. The main drain pan is provided between a front frame and a rear frame, to divide a space between the rear frame and the front frame into an upper and lower section. The first and second heat exchangers are respectively provided at a lower and upper portion of the main drain pan, to allow heat exchange to occur between air and coolant. The sub-drain pan is provided at the lower portion of the main drain pan, to collect condensed water generated by the first and second heat exchangers. The condensed water pipe guides condensed water collected in a base pan to the sub-drain pan. The pipe coupling element detachably couples one end of the condensed water pipe to the sub-drain pan.

1 . An air conditioner comprising:
 a main drain pan provided between a front frame and a rear frame, for dividing a space between the rear frame and the front frame into upper and lower sections;   a first heat exchanger provided at a lower portion of the main drain pan, for allowing heat exchange to occur between air and coolant;   a second heat exchanger provided at an upper portion of the main drain pan, for allowing heat exchange to occur between air and coolant;   a sub-drain pan provided at the lower portion of the main drain pan, for collecting condensed water generated by the first heat exchanger and the second heat exchanger;   a condensed water pipe for guiding condensed water collected in a base pan to the sub-drain pan; and   a pipe coupling element for detachably coupling one end of the condensed water pipe to the sub-drain pan.   
     
     
         2 . The air conditioner according to  claim 1 , wherein the pipe coupling element comprises a pan connector and a connector coupling part respectively formed in mutual opposition on the one end of the condensed water pipe and one end of the sub-drain pan, for coupling through sliding. 
     
     
         3 . The air conditioner according to  claim 2 , wherein the pan connector is prevented from disengaging through a connector coupling element, the connector coupling element comprising a connector fixing protrusion and a connector fixing groove formed respectively corresponding to the pan connector and the connector coupling part, for being coupled together. 
     
     
         4 . The air conditioner according to  claim 3 , wherein the pan connector has a structure including a pipe connecting element coupled to the one end of the condensed water pipe, and a pan coupling member coupled to the connector coupling part, the connector coupling part formed in a ‘U’ shape. 
     
     
         5 . The air conditioner according to  claim 1 , wherein a plurality of dividing ribs are provided on the main drain pan to form a moving space on a top surface thereof and guide a flow of falling condensed water generated by the second heat exchanger. 
     
     
         6 . The air conditioner according to  claim 5 , wherein the main drain pan further comprises:
 a plurality of condensed water holes formed therethrough, for allowing the falling condensed water generated by the second heat exchanger to move to the lower portion of the main drain pan; and   a condensed water falling guide provided at a lower surface thereof, for guiding the falling of the condensed water through the condensed water holes.   
     
     
         7 . The air conditioner according to  claim 5 , wherein a housing seat groove is recessed downward in the main drain pan to prevent interference with a fan housing enclosing a fan, and a plurality of dividing ribs are provided on the housing seat groove to form a moving space on a top surface thereof and guide a flow of falling condensed water generated by the second heat exchanger. 
     
     
         8 . An air conditioner comprising:
 a main drain pan provided between a front frame and a rear frame, for dividing a space between the rear frame and the front frame into upper and lower sections;   a first heat exchanger provided at a lower portion of the main drain pan, for allowing heat exchange to occur between air and coolant;   a second heat exchanger provided at an upper portion of the main drain pan, for allowing heat exchange to occur between air and coolant;   a control box installed at one side of the main drain pan, and including a plurality of built-in electrical components for controlling an operation of the air conditioner; and   an exhaust guide unit installed on the rear frame, for exhausting air that has undergone heat exchange to an outside, wherein the main drain pan forms a control box installation opening formed at a front end thereof for installing the control box in.   
     
     
         9 . The air conditioner according to  claim 8 , wherein the main drain pan comprises a duct avoiding hole receiving a portion of the exhaust guide unit, or a pipe passing groove through which a coolant pipe for guiding coolant flowing between the first heat exchanger and the second heat exchanger passes. 
     
     
         10 . The air conditioner according to  claim 8 , wherein the main drain pan comprises a cord passing groove through which a power cord supplying external power passes, or a power line passing groove through which a power line for supplying power to the compressor for compressing coolant and a condensed water pump for forcibly moving condensed water passes. 
     
     
         11 . An air conditioner comprising:
 a main drain pan provided between a front frame and a rear frame, for dividing a space between the rear frame and the front frame into upper and lower sections;   a first heat exchanger provided at a lower portion of the main drain pan, for allowing heat exchange to occur between air and coolant;   a second heat exchanger provided at an upper portion of the main drain pan, for allowing heat exchange to occur between air and coolant; and   a sub-drain pan provided at the lower portion of the main drain pan, for collecting condensed water generated by the first heat exchanger and the second heat exchanger, wherein the sub-drain pan is coupled to the main drain pan.   
     
     
         12 . The air conditioner according to  claim 11 , wherein the sub-drain is doubly coupled to the main drain pan through coupling hooks and fastening members. 
     
     
         13 . The air conditioner according to  claim 11 , wherein the sub-drain pan comprises a plurality of falling holes formed therethrough, for guiding collected condensed water to fall on the first heat exchanger. 
     
     
         14 . The air conditioner according to  claim 13 , wherein the sub-drain pan is installed above the first heat exchanger, and the condensed water guided to fall by the falling holes falls on one side of the first heat exchanger. 
     
     
         15 . The air conditioner according to  claim 14 , wherein the sub-drain pan has an inclined bottom surface for guiding condensed water toward the falling holes. 
     
     
         16 . The air conditioner according to  claim 13 , wherein the sub-drain pan further comprises falling guide ribs for guiding descending condensed water to fall through the falling holes, wherein the falling guide ribs extend downward from lower ends of the falling holes. 
     
     
         17 . The air conditioner according to  claim 13 , wherein the plurality of falling holes are arranged in a plurality of rows. 
     
     
         18 . The air conditioner according to  claim 13 , wherein the first heat exchanger comprises a plurality of heat exchange pipes formed in a plurality of rows for guiding a flow of coolant, and the falling holes are disposed above one of the plurality of rows of the heat exchange pipes. 
     
     
         19 . The air conditioner according to  claim 18 , wherein the first heat exchanger further comprises a fan installed at one side thereof for forcibly moving air, and the falling holes are disposed above a row from the plurality of rows of the heat exchange pipes that is farthest from the fan.