Water pan and indoor unit

Abstract

Provided are a water pan and an indoor unit. The water pan includes: a frame including an annular side wall and a mounting groove body; and a water tray arranged in the mounting groove body. An annular air outlet surrounding the water tray is formed between the annular side wall and the water tray. The annular air outlet is continuously arranged, which reduces a blind region of an air supply at a partition of an air outlet, expands an air supply range, and enables the indoor unit using the water pan to realize a 360° air supply.

What is claimed is: 
     
         1 . A water pan comprising:
 a frame comprising an annular side wall and a mounting groove body; and   a water tray arranged in the mounting groove body, an annular air outlet surrounding the water tray being formed between the annular side wall and the water tray.   
     
     
         2 . The water pan according to  claim 1 , wherein:
 the water tray comprises a water tray side wall, the annular air outlet being formed between the annular side wall and the water tray side wall; and   the water tray side wall being provided with a connection rib at an outer periphery of the water tray side wall, the connection rib being connected between the water tray side wall and the annular side wall.   
     
     
         3 . The water pan according to  claim 2 , wherein the connection rib has a windward end and a leeward end with an air guide corner and wherein the leeward end is formed as a sawtooth structure. 
     
     
         4 . The water pan according to  claim 1 , wherein:
 the annular side wall is partially connected to the mounting groove body, or the annular side wall is spaced apart from the mounting groove body to form the annular air outlet.   
     
     
         5 . The water pan according to  claim 1 , wherein:
 the water pan has a water receiving groove and an air inlet surrounded by the water receiving groove; and   a leeward surface of the water pan has a notch groove formed between the air inlet and the water receiving groove and in communication with the water receiving groove.   
     
     
         6 . The water pan according to  claim 1 , wherein the annular air outlet is formed by a straight segment, an arc segment, or a bevel segment. 
     
     
         7 . The water pan according to  claim 1 , comprising a water receiving groove bottom surface having a recessed portion and a drainage hole channel, the recessed portion and the drainage hole channel being spaced apart from each other, the recessed portion being used for placement of a water suction opening of a drainage pump, and the drainage hole channel being provided with a drainage plug. 
     
     
         8 . The water pan according to  claim 7 , wherein a bottom of the recessed portion has a thickness ranging from 10 mm to 18 mm, and the drainage hole channel has a depth greater than or equal to the thickness of the bottom of the recessed portion. 
     
     
         9 . The water pan according to  claim 7 , wherein a recessed portion bottom surface of the recessed portion has a surface area greater than an area of a vertical projection of the drainage pump on the recessed portion bottom surface. 
     
     
         10 . The water pan according to  claim 7 , wherein an upper end of the drainage hole channel is connected to the water receiving groove bottom surface, and is connected to the water receiving groove bottom surface in an oblique transition. 
     
     
         11 . The water pan according to  claim 7 , wherein the drainage plug is disposed at a lower end of the drainage hole channel and comprises a covering portion and a blocking portion, the covering portion has a size greater than a size of the blocking portion, the blocking portion being configured to block the drainage hole channel, and the covering portion being configured to cover the lower end of the drainage hole channel. 
     
     
         12 . The water pan according to  claim 11 , wherein the lower end of the drainage hole channel is provided with a countersunk base, the covering portion being located in the countersunk base. 
     
     
         13 . An air guide ring assembly, comprising:
 the water pan according to  claim 1 ;   an air guide ring; and   a connection device comprising a body and a locking portion, the body being disposed at the water pan, and an end of the body having a connection hole,   wherein the locking portion is disposed at the air guide ring and arranged at an end of the body, the locking portion being abutted with at least part of a side wall of the body in a circumferential direction of the connection hole.   
     
     
         14 . The air guide ring assembly according to  claim 13 , wherein the locking portion is provided with a countersunk hole arranged around an end of the body, the side wall of the body being abutted against a hole wall of the countersunk hole. 
     
     
         15 . The air guide ring assembly according to  claim 14 , wherein the locking portion further has an avoidance hole, the avoidance hole penetrating a bottom wall of the countersunk hole. 
     
     
         16 . The air guide ring assembly according to  claim 15 , wherein the body comprises:
 a base; and   a protrusion post having an end having the connection hole and another end connected to the base, the countersunk hole being arranged around the protrusion post.   
     
     
         17 . The air guide ring assembly according to  claim 16 , wherein an outer wall of the protrusion post is inclined away from the connection hole in a direction from the protrusion post to the base, a shape of the countersunk hole being adapted to a shape of the protrusion post. 
     
     
         18 . An indoor unit comprising:
 the water pan according to  claim 1 .   
     
     
         19 . The indoor unit according to  claim 18 , further comprising:
 a baffle assembly disposed at the water pan and comprising a first baffle, a second baffle, a first sealing plate, and a second sealing plate, each of the first sealing plate and the second sealing plate being located between the first baffle and the second baffle, the first sealing plate having an end connected to the first baffle and another end connected to the second baffle, the first sealing plate being connected to the second sealing plate, and a mounting hole being defined between a part of the first sealing plate and a part of the second sealing plate; and   a bottom tray, the baffle assembly being mounted at the bottom tray, the bottom tray being located at a side of the baffle assembly facing away from the water pan, one of the first sealing plate and the bottom tray being provided with a catch, another of the first sealing plate and the bottom tray having a catch hole, and the catch being configured to be engaged within the catch hole.   
     
     
         20 . The indoor unit according to  claim 19 , wherein:
 at least part of the first sealing plate and at least part of the second sealing plate are opposite to each other in a height direction of the first baffle; and   the mounting hole is formed between a side of the first sealing plate close to the second sealing plate in the height direction of the first baffle and a side of the second sealing plate close to the first sealing plate in the height direction of the first baffle.   
     
     
         21 . The indoor unit according to  claim 19 , wherein the first sealing plate comprises a first plate body and a second plate body, wherein:
 a thickness direction of the first plate body is parallel to a thickness direction of the second sealing plate;   an included angle is formed between the thickness direction of the first plate body and a thickness direction of the second plate body;   the first plate body is connected to the first baffle;   the second plate body is connected to the second baffle; and   the mounting hole being defined between a part of the first sealing plate and a part of the first plate body.   
     
     
         22 . The indoor unit according to  claim 21 , wherein:
 one of the first sealing plate and the second sealing plate has an insertion groove; and   another of the first sealing plate and the second sealing plate is provided with an insertion portion, the insertion portion being configured to be engaged within the insertion groove.   
     
     
         23 . The indoor unit according to  claim 21 , wherein:
 the first sealing plate further has a first sealing plate flanging, the first sealing plate flanging being attached to the first sealing plate and connected to a wall surface of the mounting hole; and   the second sealing plate further has a second sealing plate flanging, the second sealing plate flanging being attached to the second sealing plate and connected to the wall surface of the mounting hole.   
     
     
         24 . The indoor unit according to  claim 21 , wherein the first sealing plate further comprises a first connection edge, a second connection edge, a first bent portion, and a second bent portion, wherein:
 the first connection edge, the first bent portion, the first plate body, the second plate body, the second bent portion, and the second connection edge are sequentially connected;   the first connection edge is connected to the first baffle;   the second connection edge is connected to the second baffle;   the first bent portion has a first predetermined size in a thickness direction of the first connection edge; and   the second bent portion has a second predetermined size in a thickness direction of the second connection edge.   
     
     
         25 . The indoor unit according to  claim 18 , wherein the water pan comprises a water pan lug, and wherein the indoor unit further comprises a casing assembly, the casing assembly comprising:
 a casing comprising a side plate; and   a lifting lug comprising a lifting lug hook and a lifting sub-lug, the lifting sub-lug comprising a water pan connection portion and a side plate connection portion that are sequentially connected, wherein:   the lifting lug hook is connected to the water pan connection portion;   the side plate is connected to the side plate connection portion;   the lifting lug hook and the lifting sub-lug are integrally formed; and   the water pan lug is connected to the water pan connection portion.   
     
     
         26 . The indoor unit according to  claim 25 , wherein the lifting lug hook is a U-shaped hook and comprises:
 a first portion having a lower end connected to the water pan connection portion;   a second portion, each of the first portion and the second portion extending in an up-down direction; and   a middle portion extending in a first horizontal direction, the middle portion having an end connected to an upper end of the first portion and another end connected to an upper end of the second portion to define a limiting groove opened downwards.   
     
     
         27 . The indoor unit according to  claim 26 , wherein:
 an included angle between the first portion and the middle portion is greater than 90°; and/or   an included angle between the second portion and the middle portion is greater than 90°.   
     
     
         28 . The indoor unit according to  claim 26 , wherein the first portion has a width that gradually increases towards the water pan connection portion. 
     
     
         29 . The indoor unit according to  claim 26 , wherein the lifting lug comprises a first reinforcing rib, the first reinforcing rib comprising a first segment, a second segment, and a third segment that are sequentially connected, wherein the first segment is disposed at the first portion, the second segment is disposed at the middle portion, and the third segment is disposed at the second portion. 
     
     
         30 . The indoor unit according to  claim 26 , wherein the water pan connection portion extends in the first horizontal direction and the side plate connection portion extends in the up-down direction, in such a manner that the water pan connection portion and the side plate connection portion are arranged in an L-shape, the water pan lug being lapped over the water pan connection portion, and at least part of the water pan lug being configured to pass through the avoidance opening in the first horizontal direction to be connected to the water pan connection portion. 
     
     
         31 . The indoor unit according to  claim 30 , wherein the avoidance opening has:
 a first side wall;   a second side wall, each of the first side wall and the second side wall extending in the up-down direction; and   a bottom wall extending in a second horizontal direction, the bottom wall having an end connected to a lower end of the first side wall and another end connected to a lower end of the second side wall, wherein:   the water pan lug is located above the bottom wall; and/or   the water pan lug is located between the first side wall and the second side wall in the second horizontal direction.   
     
     
         32 . The indoor unit according to  claim 25 , wherein one of the side plate connection portion and the side plate is provided with a first positioning protrusion, and another of the side plate connection portion and the side plate has a first positioning hole, the first positioning protrusion being configured to be inserted in and engaged with the first positioning hole.