WO2018176558A1 - Indoor air-conditioning unit and air conditioner - Google Patents

Abstract

An indoor air-conditioning unit and an air conditioner. The indoor air-conditioning unit comprises: a support (1) that comprises a bottom tray (11), the lower part of the bottom tray (11) being provided with a water receiving groove (112a) having an upward opening, and the wall of the water receiving groove (112a) being provided with a water outlet (112b); a volute (3), an air inlet connected with an expanded opening being formed at the upper part of the volute, and an air outlet being formed at the lower part of the volute; an upper water receiving tray (4) and a lower water receiving tray (5), the lower water receiving tray (5) being provided in front of the upper part of the volute (3), and the upper water receiving tray (4) being provided at the back of the upper part of the volute (3); a confluent structure (7), comprising a guide groove (71) and a confluent groove (72), the guide groove (71) being communicated with the upper water receiving tray (4) and the lower water receiving tray (5), the bottom of the guide groove (71) being proximate to the rear part of the volute (3), the confluent groove (72) being provided at the back of the volute (3) and communicated with the bottom of the guide groove (71), and the confluent groove (72) being provided with a confluent opening (722a) directly above a notch of the water receiving groove (112a); and a drainage pipe connected to the water outlet and used for discharging water in the water receiving groove (112a) out of the indoor air-conditioning unit. The volute (3) and the drainage structure of the indoor air-conditioning unit can still implement a drainage function without disassembly, so that the convenience of dismounting the volute (3) for cleaning or maintenance is improved.

Description

 Air conditioner indoor unit and air conditioner

Technical field

The invention relates to the field of air conditioning products, in particular to an air conditioner indoor unit and an air conditioner.

Background technique

After the installation of the whole air conditioner indoor unit is completed, the drain pipe is directly connected to the water receiving tray on the volute to discharge the condensed water on the water tray to the outside of the air conditioner indoor unit. However, the arrangement is due to the pipeline The assembly has been positioned, so the disassembly between the volute and the drain is difficult, which is not conducive to the user to remove the volute from the outer casing of the air conditioner indoor unit for cleaning or maintenance of the volute.

Summary of the invention

The main object of the present invention is to provide an air conditioner indoor unit, which aims to solve the technical problem that the disassembly between the volute and the air conditioning indoor unit of the prior art is difficult, which is not conducive to the cleaning or maintenance of the volute.

In order to achieve the above object, an air conditioner indoor unit according to the present invention includes:

The bracket includes a chassis and side fixing portions respectively protruding from the two ends of the chassis; a lower portion of the chassis is provided with a water receiving opening facing upward, and a groove of the water receiving groove of the water receiving tank is provided; The opposite sides of the side fixing portion are respectively provided with a chute structure;

The heat exchanger includes a front heat exchange portion and a rear heat exchange portion that cooperates with the front heat exchange portion to form a downward flare; the rear heat exchange portion is adjacent to the chassis;

a volute, an upper portion is formed with an air inlet connected to the flared portion, and a lower portion is formed with an air outlet; the left and right ends of the volute are respectively provided with a sliding convex structure slidably engaged with the sliding groove structure;

An upper water tray, a lower water tray, the lower water tray is disposed on a front side of the upper portion of the volute, and the upper water tray is disposed at a rear side of the upper portion of the volute;

a confluence structure comprising a drainage trough and a confluence trough, wherein the drainage trough communicates with the upper water tray and the lower water tray, the bottom of the drainage channel is adjacent to a rear portion of the volute, and the bus trough is disposed on the volute a back surface of the draining channel is connected to the bottom of the draining trough; the confluence trough is open at a right side of the notch of the water receiving trough;

A drain pipe is connected to the drain port for discharging water in the water tank out of the air conditioner indoor unit.

Preferably, the drainage channel includes a first drainage channel disposed obliquely downward from the lower water tray and a second drainage channel extending forwardly and downwardly from the upper water tray, the first drainage channel and A via for communicating the junction is provided at the junction of the second drain channel.

Preferably, the first drainage channel has an inclination angle greater than or equal to 5°.

Preferably, a bottom portion of the rear side of the volute is convexly provided with a bus bar extending in the left-right direction and a baffle extending obliquely rearward and upward from a rear end of the bus bar, the bus bar and the baffle forming the confluence a trough, the confluence opening being provided at a bottom of the baffle.

Preferably, the confluence port is staggered with the front section of the water receiving trough. .

Preferably, the air conditioning indoor unit further includes a rear water tray disposed at a middle portion of a rear side of the volute, the rear water tray is inclinedly disposed in a left-right direction, and a lowest end of the rear water tray is located at the junction tank Just above it.

Preferably, the chassis comprises a back plate, a curved plate extending from a lower edge of the back plate toward a front lower side, and a horizontal plate extending rearward from a front end of the curved plate, the curved plate and the horizontal Forming a space for accommodating the condenser of the air conditioner indoor unit;

The curved plate is provided with a mounting opening near the back plate, and a peripheral edge of the mounting opening extends downwardly with a side wall and a bottom wall connecting the side walls to form the water receiving groove.

Preferably, the drain port is provided with two slot walls disposed on the two sides of the water tank, and each drain port is further provided with a drain pipe interface for connecting the drain pipe.

Preferably, the sliding groove structure comprises a sliding groove extending from the upper side to the lower side; the sliding convex structure comprises a sliding shaft which is slidingly engaged with the sliding groove.

The invention also provides an air conditioner, comprising an air conditioner outdoor unit and an air conditioner indoor unit, the air conditioner indoor unit comprising:

The bracket includes a chassis and side fixing portions respectively protruding from the two ends of the chassis; a lower portion of the chassis is provided with a water receiving opening facing upward, and a groove of the water receiving groove of the water receiving tank is provided; The opposite sides of the side fixing portion are respectively provided with a chute structure;

The heat exchanger includes a front heat exchange portion and a rear heat exchange portion that cooperates with the front heat exchange portion to form a downward flare; the rear heat exchange portion is adjacent to the chassis;

a volute, an upper portion is formed with an air inlet connected to the flared portion, and a lower portion is formed with an air outlet; the left and right ends of the volute are respectively provided with a sliding convex structure slidably engaged with the sliding groove structure;

An upper water tray, a lower water tray, the lower water tray is disposed on a front side of the upper portion of the volute, and the upper water tray is disposed at a rear side of the upper portion of the volute;

a confluence structure comprising a drainage trough and a confluence trough, wherein the drainage trough communicates with the upper water tray and the lower water tray, the bottom of the drainage channel is adjacent to a rear portion of the volute, and the bus trough is disposed on the volute a back surface of the draining channel is connected to the bottom of the draining trough; the confluence trough is open at a right side of the notch of the water receiving trough;

A drain pipe is connected to the drain port for discharging water in the water tank out of the air conditioner indoor unit.

Preferably, the drainage channel includes a first drainage channel disposed obliquely downward from the lower water tray and a second drainage channel extending forwardly and downwardly from the upper water tray, the first drainage channel and A via for communicating the junction is provided at the junction of the second drain channel.

Preferably, the first drainage channel has an inclination angle greater than or equal to 5o.

Preferably, a bottom portion of the rear side of the volute is convexly provided with a bus bar extending in the left-right direction and a baffle extending obliquely rearward and upward from a rear end of the bus bar, the bus bar and the baffle forming the confluence a trough, the confluence opening being provided at a bottom of the baffle.

Preferably, the confluence port is staggered with the front section of the water receiving trough.

Preferably, the air conditioning indoor unit further includes a rear water tray disposed at a middle portion of a rear side of the volute, the rear water tray is inclinedly disposed in a left-right direction, and a lowest end of the rear water tray is located at the junction tank Just above it.

Preferably, the chassis comprises a back plate, a curved plate extending from a lower edge of the back plate toward a front lower side, and a horizontal plate extending rearward from a front end of the curved plate, the curved plate and the horizontal Forming a space for accommodating the condenser of the air conditioner indoor unit;

The curved plate is provided with a mounting opening near the back plate, and a peripheral edge of the mounting opening extends downwardly with a side wall and a bottom wall connecting the side walls to form the water receiving groove.

Preferably, the drain port is provided with two slot walls disposed on the two sides of the water tank, and each drain port is further provided with a drain pipe interface for connecting the drain pipe.

Preferably, the sliding groove structure comprises a sliding groove extending from the upper side to the lower side; the sliding convex structure comprises a sliding shaft which is slidingly engaged with the sliding groove.

The air conditioning indoor unit of the invention is based on the technical solution that the volute can slide out from the bracket, and the water tank is arranged on the lower part of the chassis, and the water collecting structure is arranged on the volute, the confluence structure includes the connecting water tray And a drainage trough of the lower water tray and a confluence trough connected to the drainage trough, the confluence trough is further provided with a confluence opening directly above the notch of the water receiving trough; thus, the condensed water generated by the heat exchanger drops along the S1 flow to the upper connection The water pan, along S2, S3, flows down to the lower water tray, and flows along the S4 to the confluence trough through the diversion trough, then flows through the confluence port along S5 to enter the water tank, and finally discharges through the drain pipe; when it is necessary to carry out the volute During cleaning or maintenance, since there is no connection structure between the volute and the water receiving tank, the user can remove the volute from the bracket without the disassembly process, and the volute is connected to the drain pipe compared with the prior art. The air-conditioning indoor unit which is difficult to disassemble, the drainage structure of the volute and the air-conditioner indoor unit of the invention does not need to be disassembled, and the drainage function can still be realized, thereby effectively improving the convenience of the volute removal and cleaning or maintenance.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and those skilled in the art can obtain other drawings according to the structures shown in the drawings without any creative work.

1 is a front elevational view showing an embodiment of an air conditioning indoor unit of the present invention;

Figure 2 is a cross-sectional view taken along line II-II of Figure 1;

Figure 3 is a cross-sectional view taken along line III-III of Figure 1;

Figure 4 is a front elevational view of the volute of Figure 1;

Figure 5 is a schematic structural view of the volute of Figure 4;

Figure 6 is an enlarged schematic view of a portion A in Figure 5;

Figure 7 is a schematic structural view of the chassis and the side fixing portion of Figure 1;

Figure 8 is a schematic view showing the structure of the chassis of Figure 7 from another perspective.

Description of the reference numerals:

Label name Label name Label name 1 support 11 Chassis 111 Backplane 112 Curved plate 112a Sink 112b Drainage port 112c Drain pipe interface 113 Horizontal board 12 Side fixing 121 Chute 2 Heat Exchanger twenty one Front heat exchange twenty two Rear heat exchange 3 Volute 31 Sliding shaft 4 Upper water tray 5 Lower water tray 6 Rear water tray 7 Confluence structure 71 Drainage trough 711 First drainage channel 712 Second drainage channel 712a Via 72 Confluence trough 721 Confluence board 722 Baffle 722a Confluence port

The implementation, functional features, and advantages of the present invention will be further described in conjunction with the embodiments.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

It should be noted that if there is a directional indication (such as up, down, left, right, front, back, ...) in the embodiment of the present invention, the directional indication is only used to explain in a certain posture (as shown in the drawing) The relative positional relationship between the components, the motion situation, and the like, if the specific posture changes, the directional indication also changes accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of the "first", "second", etc. is used for the purpose of description only, and is not to be construed as an Its relative importance or implicit indication of the number of technical features indicated. Thus, features defining "first" or "second" may include at least one of the features, either explicitly or implicitly. In addition, the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art, and when the combination of the technical solutions is contradictory or impossible to implement, it should be considered that the combination of the technical solutions does not exist. It is also within the scope of protection required by the present invention.

The invention provides an air conditioner indoor unit.

In the embodiment of the present invention, referring to FIG. 1 to FIG. 3, the air conditioner indoor unit includes:

The bracket 1 includes a chassis 11 and side fixing portions 12 respectively protruding from the two ends of the chassis 11; a lower portion of the chassis 11 is provided with a water inlet 112a that is open upward, and a groove 112b is provided on the groove wall of the water receiving tank 112a; The opposite sides of the side fixing portion 12 are respectively provided with a sliding groove 121 structure;

The heat exchanger 2 includes a front heat exchange portion 21 and a rear heat exchange portion 22 that cooperates with the front heat exchange portion 21 to form a downwardly flared portion, and the rear heat exchange portion 22 is adjacent to the chassis 11;

The volute 3 has an air inlet formed in contact with the flared portion, and an air outlet is formed in the lower portion; the left and right ends of the volute 3 are respectively provided with a sliding convex structure slidably engaged with the structure of the sliding slot 121;

The upper water tray 4 and the lower water tray 5 are disposed, the lower water tray 5 is disposed on the front side of the upper portion of the volute 3, and the upper water tray 4 is disposed on the rear side of the upper portion of the volute 3.

The confluence structure 7 includes a drainage trough 71 and a confluence trough 72. The drainage trough 71 communicates with the upper water tray 4 and the lower water tray 5. The bottom of the drainage channel 71 is adjacent to the rear of the volute 3, and the confluence channel 72 is disposed in the volute 3. The back surface is connected to the bottom of the drainage groove 71, and the confluence groove 72 is provided with a confluence opening 722a directly above the notch of the water receiving tank 112a;

A drain pipe (not shown) is connected to the drain port 112b for discharging the water in the water receiving tank 112a out of the air conditioner indoor unit.

The air conditioning indoor unit of the present invention is based on the technical solution that the volute 3 can slide out from the bracket 1 , by providing an upwardly open water receiving groove 112 a in the lower portion of the chassis 11 and a confluence structure 7 on the volute 3 , the confluence structure 7 includes a drainage groove 71 connecting the upper water tray 4 and the lower water tray 5, and a junction groove 72 communicating with the drainage groove 71. The bus groove 72 is further provided with a gas outlet 722a directly above the groove of the water receiving tank 112a; The condensed water generated by the heat exchanger 2 flows down along the S1 to the upper water tray 4, flows along the S2 and S3 to the lower water tray 5, and flows along the S4 through the drain tank 71 to the confluence tank 72, and then passes through the confluence. The port 722a flows along the S5 into the water tank 112a, and finally is discharged through the drain pipe. When the volute 3 needs to be cleaned or repaired, since the connection structure is not provided between the volute 3 and the water tank 112a, the user does not need to perform the disassembly process. The volute 3 can be removed from the bracket 1 , and the volute structure of the volute 3 and the air conditioner indoor unit of the present invention need not be connected to the ventilator which is connected to the drain pipe in the prior art. The assembly and disassembly can still realize the drainage function, effectively improving the volute 3 Cleaning or maintenance convenience.

Further, referring to FIG. 2, FIG. 4, FIG. 5 and FIG. 6, the drainage groove 71 includes a first drainage channel 711 which is inclined downwardly from the lower water tray 5, and a portion extending from the upper water tray 4 toward the front and the bottom. The second drainage channel 712, the intersection of the first drainage channel 711 and the second drainage channel 712 is provided with a via 712a for connecting the junction.

In this embodiment, the first drainage channel 711 is provided with two, which are respectively disposed on the left and right sides of the lower water tray 5, and correspondingly, the second drainage channel 712 is also provided with two, which are respectively disposed on the left and right sides of the upper water tray 4. On both sides, preferably, the second drainage channel 712 is concavely formed by the rear arc portion of the volute 3, and the through hole 712a is provided on the outer side in the left-right direction of the second drainage channel 712; it is understood that the arrangement is based on the existing volute 3 The structure, while connecting the upper water tray 4 and the lower water tray 5, directs the condensed water to the rear of the volute 3 to subsequently introduce the condensed water into the structure of the water tank 112a. Of course, the present invention is not limited thereto. In other embodiments, in other embodiments, the drainage channel 71 may also be specifically configured to function as a drainage.

Further, the inclination angle of the first drainage channel 711 is 5° to 10°. It can be understood that the inclination angle of the first drainage channel 711 is too large, which occupies an excessive vertical space, which causes waste of the internal use space of the air-conditioning indoor unit; the inclination angle of the first drainage channel 711 is too small, and the condensed water is under the action of gravity The effect of flowing backward and downward is not so obvious that the drainage effect of the first drainage channel 711 is poor.

Further, a bottom portion of the rear side of the volute 3 is provided with a bus bar 721 extending in the left-right direction and a baffle 722 extending obliquely rearward and upward from the rear end of the bus bar 721. The bus bar 721 and the baffle 722 form a confluence groove 72. The air inlet 722a is provided at the bottom of the baffle 722.

Specifically, the condensed water flows to the bus bar 721 through the first drain passage 711, and is resisted by the baffle 722 to accumulate at the bus bar 721 until its accumulated height reaches the lowest position height of the confluence port 722a, and the condensed water flows from the confluence port 722a. Flowing into the water tank 112a; it can be understood that the condensate flowing out of the first drain passage 711 can be discharged into the water tank 112a simply and efficiently to achieve the drainage function. Of course, the present invention is not limited thereto. In other embodiments, the bus bar 72 may also be specifically other bus bar structures 7.

Further, referring to FIG. 3, the outlet port 722a is staggered with the front section of the water tank 112a. It can be understood that the junction port 722a and the water receiving tank 112a have a staggered overlapping portion in the vertical direction; in this embodiment, the center of the inlet port 722a is The horizontal distance of the front end of the water tank 112a is d, and d is greater than or equal to 8 mm. It can be understood that if d is too small, the condensed water flowing out from the junction port 722a is easily splashed from the front end of the water tank 112a, affecting the water receiving function of the water tank 112a, and the condensed water splashed may cause other structures of the air conditioner indoor unit to get wet or affect its normal work.

Further, referring to FIG. 2, the air conditioning indoor unit further includes a rear water tray 6 disposed at a middle portion of the rear side of the volute 3, the rear water tray 6 is inclined along the left and right direction, and the lowest end of the rear water tray 6 is located at the junction tank. Just above 72.

Specifically, the condensed water flowing along the S1 portion falls into the rear water tray 6, and flows into the bus bar 721 from the lowest end of the rear water tray 6 by gravity, and finally flows into the water tank 112a through the air inlet 722a. In this way, the condensed water generated by the heat exchanger 2 is better ensured to be properly discharged, and the internal structure of the air conditioner indoor unit is prevented from being damp.

Further, referring to FIG. 3, the chassis 11 includes a back plate 111, an arcuate plate 112 extending from the lower edge of the back plate 111 toward the front lower side, and a horizontal plate 113 extending rearward from the front end of the curved plate 112, a curved plate 112 and the horizontal plate 113 enclose a space for accommodating the air conditioning indoor unit condensing duct; the curved plate 112 is provided with a mounting opening near the back plate 111, and the peripheral edge of the mounting opening extends downwardly with the side wall and the bottom of the connecting side wall Wall to form the sink 112a.

It can be understood that the rear side wall of the water tank 112a is integrally provided with the back plate 111, which reduces the technical difficulty of the water tank 112a and also saves the production material; of course, the invention is not limited thereto, and in other embodiments The water tank 112a may also be disposed at other positions of the curved plate 112.

Further, referring to FIG. 7 and FIG. 8, the drain port 112b is provided with two groove walls disposed on the two sides of the water tank 112a, and each drain port 112b is further provided with a drain pipe interface 112c for connecting the drain pipe port 112c. Drain pipe. In this embodiment, each drain pipe is disposed obliquely downward toward the outside to better facilitate the outflow of the condensed water; it can be understood that the user can simply and quickly realize the connection of the drain pipe and the drain port 112b of the water receiving tank 112a. Easy to disassemble the drain pipe. Of course, the present invention is not limited thereto. In other embodiments, the drain pipe may also be directly connected to the drain port 112b of the water tank 112a.

Further, referring to FIG. 5 and FIG. 7 , the chute structure includes a chute 121 extending from the upper side to the lower side; the sliding structure includes a sliding shaft 31 that is slidably engaged with the chute 121 . In this embodiment, the entrance of each chute 121 is a bell mouth structure for convenient installation; it can be understood that the volute 3 is simply and quickly slid out from the inside and the lower side of the bracket 1 to improve the volute 3 The convenience of disassembly and assembly; the cooperation of the chute 121 and the sliding shaft 31 is a sliding structure widely used in the prior art. Of course, the present invention is not limited thereto. In other embodiments, the structure of the chute 121 and the sliding structure are also It can be other specific structures that slide together.

The present invention also provides an air conditioner including an air conditioner indoor unit and an air conditioner outdoor unit. The specific structure of the air conditioner indoor unit refers to the above embodiment, and since the air conditioner employs all the technical solutions of all the above embodiments, at least All the beneficial effects brought about by the technical solutions of the above embodiments are not described herein again.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structural transformation, or direct/indirect use, of the present invention and the contents of the drawings are used in the inventive concept of the present invention. It is included in the scope of the patent protection of the present invention in other related technical fields.

Claims (18)

 An air conditioner indoor unit, comprising: The bracket includes a chassis and side fixing portions respectively protruding from the two ends of the chassis; a lower portion of the chassis is provided with a water receiving opening facing upward, and a groove of the water receiving groove of the water receiving tank is provided; The opposite sides of the side fixing portion are respectively provided with a chute structure; The heat exchanger includes a front heat exchange portion and a rear heat exchange portion that cooperates with the front heat exchange portion to form a downward flare; the rear heat exchange portion is adjacent to the chassis; a volute, an upper portion is formed with an air inlet connected to the flared portion, and a lower portion is formed with an air outlet; the left and right ends of the volute are respectively provided with a sliding convex structure slidably engaged with the sliding groove structure; An upper water tray, a lower water tray, the lower water tray is disposed on a front side of the upper portion of the volute, and the upper water tray is disposed at a rear side of the upper portion of the volute; a confluence structure comprising a drainage trough and a confluence trough, wherein the drainage trough communicates with the upper water tray and the lower water tray, the bottom of the drainage channel is adjacent to a rear portion of the volute, and the bus trough is disposed on the volute a back surface of the draining channel is connected to the bottom of the draining trough; the confluence trough is open at a right side of the notch of the water receiving trough; A drain pipe is connected to the drain port for discharging water in the water tank out of the air conditioner indoor unit. The air conditioner indoor unit according to claim 1, wherein the drain groove includes a first drainage passage that is inclined downward from the lower water tray toward the lower rear, and the upper water tray extends forward and downward. The second drainage channel is provided with a through hole for communicating the confluence portion at the intersection of the first drainage channel and the second drainage channel. The air conditioning indoor unit according to claim 2, wherein the first drainage channel has an inclination angle greater than or equal to 5o. The air conditioner indoor unit according to claim 2, wherein a bottom portion of the rear side of the volute is provided with a bus bar extending in the left-right direction and a baffle extending obliquely rearward and upward from a rear end of the bus bar The bus bar and the baffle form the confluence trough, and the confluence port is disposed at a bottom of the baffle. The air conditioning indoor unit according to claim 4, wherein said intake port is staggered with a front portion of said water receiving tank. The air conditioner indoor unit according to claim 4, further comprising a rear water tray provided at a middle portion of the rear side of the volute, the rear water tray being inclinedly disposed in a left-right direction and The lowest end of the rear water tray is located directly above the manifold. The air conditioner indoor unit according to claim 1, wherein said chassis includes a back plate, a curved plate extending from a lower edge of said back plate toward a front lower side, and a front end of said curved plate is rearward An extended horizontal plate, the curved plate and the horizontal plate are enclosed to form a space for accommodating the air conditioning indoor unit condensation pipe; The curved plate is provided with a mounting opening near the back plate, and a peripheral edge of the mounting opening extends downwardly with a side wall and a bottom wall connecting the side walls to form the water receiving groove. The air conditioner indoor unit according to claim 7, wherein the drain port is provided with two groove walls disposed on both sides of the water receiving tank, and each drain port is further provided with a drain pipe interface, A drain connection is used to connect the drain. The air conditioning indoor unit according to claim 1, wherein the chute structure comprises a chute extending from the upper side to the lower side; the sliding structure comprises a sliding shaft that is slidingly engaged with the chute. An air conditioner comprising an air conditioner outdoor unit and the air conditioner indoor unit according to claim 1. The air conditioner according to claim 10, wherein the drain groove includes a first drainage passage that is inclined downward from the lower water tray toward the lower rear, and a portion that extends from the upper water tray toward the front lower side The second drainage channel is provided with a via hole for communicating the confluence portion at the intersection of the first drainage channel and the second drainage channel. The air conditioner according to claim 11, wherein the first drainage channel has an inclination angle greater than or equal to 5o. The air conditioner according to claim 11, wherein a bottom portion of the rear side of the volute is provided with a bus bar extending in the left-right direction and a baffle extending obliquely rearward and upward from a rear end of the bus bar. The bus bar and the baffle form the bus bar, and the bus bar is disposed at a bottom of the baffle. The air conditioner according to claim 13, wherein said manifold is staggered with a front section of said sink. The air conditioner according to claim 13, further comprising a rear water tray provided at a middle portion of a rear side of the volute, wherein the rear water tray is inclined in a left-right direction and the rear The lowest end of the water tray is located directly above the manifold. The air conditioner according to claim 10, wherein said chassis comprises a backing plate, an arcuate plate extending from a lower edge of said backing plate toward a front lower side, and extending rearward from a front end of said curved plate a horizontal plate, the curved plate and the horizontal plate are enclosed to form a space for accommodating the air conditioning indoor unit condensation pipe; The curved plate is provided with a mounting opening near the back plate, and a peripheral edge of the mounting opening extends downwardly with a side wall and a bottom wall connecting the side walls to form the water receiving groove. The air conditioner according to claim 16, wherein the drain port is provided with two groove walls disposed on both sides of the water receiving tank, and each drain port is further provided with a drain pipe interface, the drain pipe A pipe connection is used to connect the drain pipe. The air conditioner according to claim 10, wherein the chute structure comprises a chute extending from the upper side to the lower side; the sliding structure comprises a sliding shaft slidably engaged with the chute.