Air duct member, ventilation and heat exchange component, and air conditioner

Abstract

An air duct member, a ventilation and heat exchange component, and an air conditioner are provided. The air duct member includes an air duct portion and a water receiving portion. The air duct portion includes an air duct structure. The air duct structure has a first air duct wall and a second air duct wall, and a cross-flow air duct is defined between the first air duct wall and the second air duct wall. The water receiving portion is disposed at a lower end of the air duct portion and defines a water receiving recess. The water receiving recess is located at a side of the second air duct wall away from the first air duct wall and receives condensed water flowing down along the second air duct wall.

What is claimed is: 
     
         1 . An air duct member comprising:
 an air duct portion comprising at least one air duct structure, the at least one air duct structure having a first air duct wall and a second air duct wall spaced apart from each other, a cross-flow air duct being defined between the first air duct wall and the second air duct wall, and the first air duct wall comprising a volute tongue structure; and   a water receiving portion disposed at a lower end of the air duct portion and defining a water receiving recess located outside the cross-flow air duct, the water receiving recess being located at a side of the second air duct wall away from the first air duct wall and configured to receive condensed water flowing down along an outer surface of the second air duct wall.   
     
     
         2 . The air duct member according to  claim 1 , wherein the air duct portion comprises a left air duct structure and a right air duct structure arranged in a left-right direction. 
     
     
         3 . The air duct member according to  claim 2 , wherein:
 the left air duct structure has an air duct outlet extending in a left front direction;   the right air duct structure has an air duct outlet extending in a right front direction;   the second air duct wall of the left air duct structure and the second air duct wall of the right air duct structure are located close to each other;   the first air duct wall of the left air duct structure and the first air duct wall of the right air duct structure are located away from each other; and   the water receiving recess is located between lower ends of the second air duct walls.   
     
     
         4 . The air duct member according to  claim 3 , wherein:
 the water receiving recess has a first drainage hole located at a central position in the left-right direction; and   a bottom surface of the water receiving recess extends obliquely downwards from front to rear.   
     
     
         5 . The air duct member according to  claim 3 , wherein a front end of the water receiving recess has an avoidance notch recessed rearwards. 
     
     
         6 . The air duct member according to  claim 3 , further comprising a support portion located between the two second air duct walls and configured to support the two second air duct walls. 
     
     
         7 . The air duct member according to  claim 6 , wherein:
 the support portion is spaced apart from the water receiving recess and located above the water receiving recess; and   an edge of the support portion has a second drainage hole.   
     
     
         8 . The air duct member according to  claim 7 , wherein:
 the two second air duct walls are spaced apart from each other to form a gap between the two second air duct walls;   the air duct member further comprises a connection portion disposed in the gap between the two second air duct walls and connecting the two second air duct walls, the connection portion being located at a rear side of the support portion; and   the second drainage hole is defined between a rear end of the support portion and the connection portion.   
     
     
         9 . The air duct member according to  claim 8 , wherein a drainage channel is defined between the connection portion and the gap between the two second air duct walls and extends vertically, the second drainage hole being configured to discharge water towards the water receiving recess through the drainage channel. 
     
     
         10 . The air duct member according to  claim 7 , wherein the support portion is provided with a hook located at a front end of the support portion, the hook comprising a support segment extending transversely and a hooking segment extending upwards from the support segment. 
     
     
         11 . The air duct member according to  claim 7 , wherein:
 a water collection recess is defined in the support portion; and   the support portion comprises a flow guide rib disposed in the water collection recess, the flow guide rib being configured to guide water in the water collection recess to flow towards the second drainage hole.   
     
     
         12 . The air duct member according to  claim 1 , wherein the second air duct wall is provided with a cable holder. 
     
     
         13 . The air duct member according to  claim 1 , wherein the water receiving portion and at least part of the second air duct wall are integrally formed. 
     
     
         14 . The air duct member according to  claim 1 , wherein:
 the water receiving recess has a first drainage hole; and   a bottom surface of the water receiving recess extends obliquely downwards towards the first drainage hole.   
     
     
         15 . The air duct member according to  claim 4 , further comprising:
 a flow guide portion located below the water receiving recess and defining a flow guide channel, the flow guide channel having an upper end in communication with the first drainage hole and a lower end having a third drainage hole, the third drainage hole being located below the first drainage hole and offset from the first drainage hole in a horizontal direction.   
     
     
         16 . The air duct member according to  claim 14 , further comprising:
 a flow guide portion located below the water receiving recess and defining a flow guide channel, the flow guide channel having an upper end in communication with the first drainage hole and a lower end having a third drainage hole, the third drainage hole being located below the first drainage hole and offset from the first drainage hole in a horizontal direction.   
     
     
         17 . A ventilation and heat exchange component comprising:
 a ventilation assembly comprising the air duct member according to  claim 1  and a fan, the fan comprising a cross-flow fan wheel disposed at the cross-flow air duct;   a heat exchange assembly disposed upstream of an air duct outlet; and   a water receiving assembly comprising a water receiving pan disposed below the heat exchange assembly, the water receiving pan being configured to receive condensed water flowing down along the heat exchange assembly and drainage water from the water receiving recess.   
     
     
         18 . The ventilation and heat exchange component according to  claim 17 , wherein:
 the air duct member comprises a flow guide portion;   the water receiving pan is located at a rear side of the water receiving portion below the water receiving portion; and   a third drainage hole is located at a rear side of a first drainage hole below the first drainage hole, and arranged directly above the water receiving pan.   
     
     
         19 . An air conditioner comprising:
 a machine body having an air inlet and an air outlet; and   the ventilation and heat exchange component according to  claim 17 , the ventilation and heat exchange component being disposed in the machine body,   wherein:   the air inlet is in communication with an air duct inlet; and   the air outlet is in communication with an air duct outlet.   
     
     
         20 . The air conditioner according to  claim 19 , wherein:
 the air duct member comprises a flow guide portion;   the water receiving pan is located at a rear side of the water receiving portion below the water receiving portion; and   a third drainage hole is located at a rear side of a first drainage hole below the first drainage hole, and arranged directly above the water receiving pan.