CN212618769U

CN212618769U - Heat exchanger assembly and air conditioner indoor unit with same

Info

Publication number: CN212618769U
Application number: CN202020719324.1U
Authority: CN
Inventors: 陈志航; 张�杰; 周何杰
Original assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Current assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-02-26
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a heat exchanger unit and air conditioning indoor unit who has it, heat exchanger unit include first heat exchanger, second heat exchanger and first water collector, and second heat exchanger and first heat exchanger are arranged along upper and lower direction, and the second heat exchanger is located the downside of first heat exchanger, and first water collector is established between first heat exchanger and second heat exchanger, and first water collector has the outlet, and the comdenstion water of first heat exchanger is suitable for through outlet flow direction second heat exchanger. According to the utility model discloses a heat exchanger assembly, simple structure, and the collection of comdenstion water, emission are convenient.

Description

Heat exchanger assembly and air conditioner indoor unit with same

Technical Field

The utility model belongs to the technical field of air conditioning equipment technique and specifically relates to a machine in heat exchanger subassembly and air conditioning that has it.

Background

The heat exchanger of the air conditioner needs to be correspondingly provided with a water pan to collect condensed water. However, in the related art, the heat exchanger and the water pan have complicated structures, and are not easy to collect and discharge condensed water.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a heat exchanger assembly, heat exchanger assembly simple structure, and the collection of comdenstion water, discharge conveniently.

The utility model discloses still provide an air conditioning indoor unit with above-mentioned heat exchanger assembly.

According to the utility model discloses heat exchanger assembly of first aspect includes: a first heat exchanger; the second heat exchanger and the first heat exchanger are arranged along the vertical direction, and the second heat exchanger is positioned at the lower side of the first heat exchanger; the first water pan is arranged between the first heat exchanger and the second heat exchanger and provided with a water outlet, and condensed water of the first heat exchanger is suitable for flowing to the second heat exchanger through the water outlet.

According to the utility model discloses a heat exchanger assembly is through setting up first water collector between first heat exchanger and the second heat exchanger of arranging along upper and lower direction to set up the outlet on first water collector, so that the comdenstion water of first heat exchanger is suitable for through outlet flow direction second heat exchanger, thereby made things convenient for the concentrated collection of the comdenstion water of first heat exchanger and second heat exchanger, made things convenient for the collection, emission etc. of the comdenstion water of whole heat exchanger assembly, be favorable to simplifying the air conditioning indoor unit structure.

In some embodiments, the first water receiving tray includes a water receiving portion on which a water receiving tank is formed, the water receiving tank being located below a lower end of the first heat exchanger, and the water discharge opening being formed on a side wall of the water receiving tank.

In some embodiments, the lower wall surface of the drain opening is flush with the bottom wall of the water receiving tank.

In some embodiments, the bottom wall of the water receiving trough extends obliquely downwards in a direction towards the drain opening.

In some embodiments, a plurality of support ribs are formed on the bottom wall of the water receiving tank, and the support ribs are supported at the bottom of the first heat exchanger and are arranged at intervals along the width direction of the first heat exchanger.

In some embodiments, a pipeline through hole is formed in the first water pan, the pipeline through hole penetrates through the first water pan along the vertical direction, a pipeline of the heat exchanger assembly penetrates through the pipeline through hole, one side of the pipeline through hole is open to form an opening, and a gland is arranged at the opening to seal the opening.

In some embodiments, an included angle exists between the arrangement direction of the first heat exchanger and the arrangement direction of the second heat exchanger, so that the second heat exchanger is obliquely arranged relative to the first heat exchanger.

In some embodiments, the first heat exchanger is arranged vertically, the second heat exchanger is arranged obliquely from top to bottom and forwards, and the included angle between the arrangement direction of the second heat exchanger and the vertical direction ranges from 10 degrees to 45 degrees.

In some embodiments, the first heat exchanger comprises: a first heat exchange body comprising a plurality of first heat exchange tubes; the first side plates are arranged on two sides of the width of the first heat exchange body respectively and cover the end parts of the first heat exchange body, and the first water pan is fixedly connected with the first side plates.

In some embodiments, the second heat exchanger comprises: a second heat exchange body comprising a plurality of second heat exchange tubes; and the two second side plates are respectively arranged on two sides of the width of the second heat exchange body and cover the end parts of the second heat exchange body.

The indoor unit of an air conditioner according to the second aspect of the present invention includes a casing; a heat exchanger assembly according to the above first aspect of the present invention, the heat exchanger assembly being disposed within the housing; and the second water pan is arranged at the bottom of the second heat exchanger.

According to the utility model discloses an indoor set of air conditioner through adopting foretell heat exchanger assembly, has made things convenient for the collection, the emission of machine comdenstion water in the air conditioner.

In some embodiments, a first air duct and a second air duct isolated from the first air duct are defined in the casing, an air inlet and an air outlet communicated with the first air duct are formed on the casing, an indoor air inlet, a fresh air inlet and an air outlet communicated with the second air duct are formed on the casing, the first heat exchanger is disposed in the first air duct, and the second heat exchanger is disposed in the second air duct.

In some embodiments, the fresh air inlet is located at a rear side of the cabinet, and the indoor air inlet includes: the first air inlet is positioned at the rear side of the shell and is arranged above the fresh air inlet; and/or a second air inlet positioned at least one of left and right sides of the cabinet.

In some embodiments, a first fan assembly is disposed within the first air duct downstream of the first heat exchanger, and a second fan assembly is disposed within the second air duct upstream of the second heat exchanger.

In some embodiments, the first air duct is located above the second air duct, and the first water pan further includes a partition portion located at a front side of the water receiving portion and abutting against the first fan assembly to partition the first air duct from the second air duct.

In some embodiments, the indoor air inlet includes a first air inlet, and the air conditioning indoor unit further includes: an air treatment module, the air treatment module is located the second wind channel just includes filtering piece, it is located to filter the piece the upper reaches of second fan subassembly, and with first air intlet with the new trend import sets up so that first air intlet with the air current of new trend import department all flows to filter the piece.

In some embodiments, the air conditioning indoor unit further includes: and the electric auxiliary heat is arranged on at least one of the first heat exchanger and the second heat exchanger and is positioned on the downstream side of the heat exchanger assembly, and the electric auxiliary heat extends along the width direction or the height direction of the heat exchanger assembly.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic view of a heat exchanger assembly according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A circled in FIG. 1;

FIG. 3 is a cross-sectional view of the heat exchanger assembly shown in FIG. 1;

FIG. 4 is an enlarged view of section B circled in FIG. 3, with the arrows indicating the direction of water flow;

FIG. 5 is an exploded view of the heat exchanger assembly illustrated in FIG. 1;

FIG. 6 is a schematic view of the first drip tray shown in FIG. 5;

FIG. 7 is another exploded view of the heat exchanger assembly shown in FIG. 5;

FIG. 8 is another schematic view of the heat exchanger assembly shown in FIG. 5;

FIG. 9 is yet another exploded view of the heat exchanger assembly shown in FIG. 8;

fig. 10 is a schematic view of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 11 is another schematic view of the indoor unit of the air conditioner shown in fig. 10;

fig. 12 is a sectional view of the air conditioning indoor unit shown in fig. 10;

fig. 13 is an exploded view of the indoor unit of the air conditioner shown in fig. 10;

fig. 14 is a partial schematic view of the chassis shown in fig. 13.

Reference numerals:

an indoor unit of air conditioner 100,

A casing 1, a main body 10a, a protrusion 10b,

A first air duct 11, an air inlet 11a, an air outlet 11b,

A second air duct 12,

A fresh air inlet 12a, an air outlet 12b, an indoor air inlet 12c,

A first air inlet 12d, a second air inlet 12e,

A heat exchanger component 2,

A first heat exchanger 21, a first heat exchange body 211, a first heat exchange tube 2111, a first side plate 212,

The second heat exchanger 22, the second heat exchange body 221, the second heat exchange tube 2211, the second side plate 222,

A first water receiving tray 23,

A water receiving part 231, a water receiving tank 231a, a bottom wall 231b, a water outlet 231c,

A support rib 2311, a limit part 2311a,

Partition 232, pipe passage hole 232a, opening 232b,

A gland 233,

A second water pan 3, a drain pipe 30,

A first fan component 4, a contra-rotating wind wheel 41, an axial-flow wind wheel 42,

A second fan component 5, a centrifugal wind wheel 51,

An air treatment module 6, a filter element 61,

An electric auxiliary heater 7, an electric auxiliary heater fixing plate 70,

A first opening/closing door 81, a second opening/closing door 82, a third opening/closing door 83,

A first flow guide assembly 84 and a second flow guide assembly 85.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the applicability of other processes and/or the use of other materials.

Next, a heat exchanger assembly 2 according to an embodiment of the first aspect of the present invention is described with reference to the drawings.

As shown in fig. 1 to 3, the heat exchanger assembly 2 includes a first heat exchanger 21, a second heat exchanger 22, and a first water pan 23, the second heat exchanger 22 and the first heat exchanger 21 are arranged in an up-down direction, the second heat exchanger 22 is located at a lower side of the first heat exchanger 21, and the first water pan 23 is disposed between the first heat exchanger 21 and the second heat exchanger 22, so that the first water pan 23 can receive condensed water generated on the first heat exchanger 21.

As shown in fig. 4, the first water receiving tray 23 has a water outlet 231c, the condensed water of the first heat exchanger 21 is suitable for flowing to the second heat exchanger 22 through the water outlet 231c, so that the condensed water generated by the first heat exchanger 21 and the condensed water generated by the second heat exchanger 22 can be collected conveniently, and meanwhile, the condensed water of the first heat exchanger 21 can be collected while the condensed water generated by the second heat exchanger 22 is collected, thereby facilitating the centralized collection of the condensed water of the first heat exchanger 21 and the condensed water of the second heat exchanger 22, facilitating the collection, the discharge and the like of the condensed water of the whole heat exchanger assembly 2, and further saving a condensed water collecting structure discharge device required by the heat exchanger assembly 2. When the heat exchanger assembly 2 is applied to the indoor unit 100 of the air conditioner, the number of parts of the indoor unit 100 of the air conditioner is reduced, the structural layout is facilitated, and meanwhile, the phenomenon that the normal operation of the indoor unit 100 of the air conditioner is affected due to the fact that condensed water generated by the heat exchanger assembly 2 flows to other parts in the using process is avoided.

Therefore, according to the utility model discloses heat exchanger assembly 2, through set up first water collector 23 between first heat exchanger 21 and the second heat exchanger 22 of arranging along upper and lower direction, and set up outlet 231c on first water collector 23, so that first heat exchanger 21's comdenstion water is suitable for through outlet 231c flow direction second heat exchanger 22, thereby made things convenient for the concentrated collection of the comdenstion water of first heat exchanger 21 and second heat exchanger 22, made things convenient for the collection of the comdenstion water of whole heat exchanger assembly 2, discharge etc., be favorable to simplifying indoor set of air conditioner 100 structure.

Optionally, the first heat exchanger 21 and the second heat exchanger 22 are respectively formed parts, which is beneficial to reducing the processing difficulty of the first heat exchanger 21 and the second heat exchanger 22, and is convenient for the first water pan 23 to be arranged between the first heat exchanger 21 and the second heat exchanger 22.

In some embodiments, as shown in fig. 4 and 6, the first water receiving tray 23 includes a water receiving portion 231, a water receiving slot 231a is formed on the water receiving portion 231, a top of the water receiving slot 231a is open, and the water receiving slot 231a is located below a lower end of the first heat exchanger 21, so that condensed water generated by the first heat exchanger 21 is collected in the water receiving slot 231 a. Wherein, the outlet 231c is formed on the side wall of the water receiving tank 231a, and the outlet 231c penetrates through the side wall of the water receiving tank 231a, so that the water in the water receiving tank 231a flows out through the outlet 231c, and the water flows downwards to the second heat exchanger 22 under the action of gravity, thereby facilitating the gathering of the condensed water generated by the first heat exchanger 21 and the condensed water generated by the second heat exchanger 22, and having simple structure and convenient processing.

It can be understood that the width of the water receiving tank 231a is greater than or equal to the size of the first heat exchanger 21 in the corresponding direction, and the length of the water receiving tank 231a is greater than or equal to the size of the first heat exchanger 21 in the corresponding direction, so as to ensure that the water receiving tank 231a can better collect the condensed water generated by the first heat exchanger 21. In the example of fig. 3, 4, and 7, the width of the water receiving tank 231a is equal to or greater than the thickness of the first heat exchanger 21 in the front-rear direction, and the length of the water receiving tank 231a is equal to or greater than the width of the first heat exchanger 21 in the left-right direction.

Alternatively, the drain opening 231c may be formed on a front side wall, a rear side wall, a left side wall, or a right side wall of the water receiving tank 231a, and the condensed water flowing toward the second heat exchanger 22 through the drain opening 231c may flow to an upper portion, or a middle portion, or a lower portion of the second heat exchanger 22, only by ensuring that the condensed water flowing out through the drain opening 231c flows onto the second heat exchanger 22. For example, in the example of fig. 4, the drain opening 231c is formed on the front side wall of the water receiving tank 231a, the length of the drain opening 231c is smaller than or equal to the length of the front side wall of the water receiving tank 231a, the upper end of the second heat exchanger 22 is located substantially directly below the water receiving tank 231a, and the second heat exchanger 22 is arranged from top to bottom, inclined from back to front, the condensed water flowing out through the water discharge opening 231c can flow to the upper part of the second heat exchanger 22 under the action of gravity, obviously, the second heat exchanger 22 is arranged obliquely relative to the vertical direction, so that the second heat exchanger 22 has a larger bearing area for bearing the condensed water flowing out through the water discharge opening 231c, the flexible design of the relative position between the water discharge opening 231c and the second heat exchanger 22 is facilitated, meanwhile, the condensed water generated by the second heat exchanger 22 can flow downwards along the second heat exchanger 22, so that the concentrated collection of the condensed water generated by the heat exchanger assembly 2 is facilitated; of course, the second heat exchanger 22 may also be arranged from top to bottom, sloping from front to back.

In some embodiments, as shown in fig. 4, the lower wall surface of the water discharge opening 231c is flush with the bottom wall 231b of the water receiving tank 231a, and the lower wall surface of the water discharge opening 231c and the bottom wall 231b of the water receiving tank 231a are located on the same plane or the same curved surface, so that the height of the lower wall surface of the water discharge opening 231c and the height of the bottom wall 231b of the water receiving tank 231a in the vertical direction are relatively close, which is beneficial to flowing all the condensed water collected in the water receiving tank 231a to the second heat exchanger 22 through the water discharge opening 231c, and preventing the condensed water remaining in the water receiving tank 231 a.

In some embodiments, as shown in fig. 4, the bottom wall 231b of the water receiving slot 231a extends in a downward direction toward the water outlet 231c, that is, the bottom wall 231b of the water receiving slot 231a extends in a downward direction toward a side close to the water outlet 231c along a side away from the water outlet 231c, such that a side of the bottom wall 231b of the water receiving slot 231a close to the water outlet 231c is lower, and the condensed water in the water receiving slot 231a flows toward the water outlet 231c in time under the guiding action of the bottom wall 231b of the water receiving slot 231a, thereby further facilitating the timely and complete drainage of the condensed water in the water receiving slot 231 a.

It can be understood that, if the bottom of the first heat exchanger 21 is disposed in the water receiving tank 231a, the condensed water in the water receiving tank 231a can be discharged completely in time, which is beneficial to preventing the heat exchange efficiency of the first heat exchanger 21 from being affected by the long-time contact between the first heat exchanger 21 and the condensed water.

In the example of fig. 4, the bottom wall 231b of the water receiving slot 231a may be formed as a first inclined surface, a lower end of the first inclined surface may extend to be flush with a lower wall surface of the water discharge port 231c, the lower wall surface of the water discharge port 231c may be formed as a second inclined surface, the first inclined surface and the second inclined surface are located on the same plane, and the condensed water in the water receiving slot 231a is completely discharged through the water discharge port 231c under the guiding action of the first inclined surface and the second inclined surface. It is understood that the lower wall surface of the drain opening 231c may also be horizontally disposed.

In some embodiments, as shown in fig. 4 and fig. 6, a plurality of support ribs 2311 are formed on the bottom wall 231b of the water receiving tank 231a, the support ribs 2311 protrude from the bottom wall 231b of the water receiving tank 231a, and the plurality of support ribs 2311 are all supported at the bottom of the first heat exchanger 21, so that the first heat exchanger 21 is spaced apart from the bottom wall 231b of the water receiving tank 231a, and thus the plurality of support ribs 2311 can provide a relatively flat support surface for the first heat exchanger 21, which is convenient for assembling the first water receiving tray 23 and the first heat exchanger 21, and is beneficial to avoiding that the condensed water in the first heat exchanger 21 and the water receiving tank 231a is contacted for a long time to affect the heat exchange efficiency. Among them, the plurality of support ribs 2311 are provided at intervals in the width direction (e.g., the left-right direction in fig. 6) of the first heat exchanger 21 in order to ensure that the plurality of support ribs 2311 stably support the first heat exchanger 21.

Alternatively, in the example of fig. 4 and 6, the support rib 2311 extends in the front-rear direction, and both the front end and the rear end of the support rib 2311 extend to the corresponding side wall of the water receiving tank 231a, so that the support rib 2311 divides the water discharge port 231c into a plurality of water discharge sub-ports; the rear end of the supporting rib 2311 is provided with a limiting portion 2311a, the limiting portion 2311a is arranged on the rear side wall of the water receiving groove 231a, and the first heat exchanger 21 is limited between the limiting portion 2311a and the front side wall of the water receiving groove 231a, so that the assembly efficiency of the first heat exchanger 21 and the first water receiving tray 23 is improved. Of course, the stopper 2311a may be located at the front end of the support rib 2311, or both the front end and the rear end of the support rib 2311 may have the stopper 2311 a.

In some embodiments, as shown in fig. 2, 5 and 6, a pipeline through hole 232a is formed on the first water pan 23, the pipeline through hole 232a penetrates through the first water pan 23 along the up-down direction, a pipeline of the heat exchanger assembly 2 is inserted into the pipeline through hole 232a, and one side of the pipeline through hole 232a is opened to form an opening 232b, so that the pipeline of the heat exchanger assembly 2 is smoothly inserted into the pipeline through hole 232a through the opening 232b, and the assembly of the heat exchanger assembly 2 is facilitated. Wherein, opening 232b department is equipped with gland 233 in order to seal opening 232b, is convenient for realize the fixed of heat exchanger assembly 2's pipeline, avoids heat exchanger assembly 2's pipeline easily to rock, has guaranteed heat exchanger assembly 2's overall structure's stability.

The pipeline of the heat exchanger assembly 2 passing through the pipeline through hole 232a may be a refrigerant pipeline connecting the first heat exchanger 21 and the second heat exchanger 22, but is not limited thereto.

Optionally, in the example of fig. 4 and 5, the gland 233 is fixed at the opening 232b by a fastener, the gland 233 is formed in a substantially plate-shaped structure, at least one of the upper and lower sides of the gland 233 may be formed with a flange, and when the gland 233 is installed at the opening 232b, the flange may abut against a corresponding edge of the opening 232b, so that the position limitation of the gland 233 is facilitated, and the installation efficiency of the gland 233 is improved.

In some embodiments, as shown in fig. 3, an included angle exists between the arrangement direction of the first heat exchanger 21 and the arrangement direction of the second heat exchanger 22, so that the second heat exchanger 22 is arranged obliquely relative to the first heat exchanger 21, which is beneficial to reducing the overall height of the heat exchanger assembly 2 in the vertical direction, and thus reducing the height of the indoor air conditioning unit 100.

In the example of fig. 3, the first heat exchanger 21 is vertically arranged, so that the condensed water generated by the first heat exchanger 21 can flow downwards in time and flow to the first water receiving tray 23, and the second heat exchanger 22 is obliquely arranged from top to bottom and forwards, so that the second heat exchanger 22 has a larger bearing area, and the condensed water flowing out through the water outlet 231c can smoothly flow to the second heat exchanger 22. The included angle between the arrangement direction of the second heat exchanger 22 and the vertical direction is in the range of 10 degrees to 45 degrees (including end point values), so that the overall height of the heat exchanger assembly 2 is ensured to be small, the thickness of the heat exchanger assembly 2 in the front-rear direction is reduced, and the occupied space of the indoor air conditioner 100 is saved.

In other examples, the first heat exchanger 21 is arranged vertically, and the second heat exchanger 22 is arranged obliquely from top to bottom and toward the rear.

In some embodiments, as shown in fig. 1, 5, 7 and 9, the first heat exchanger 21 includes a first heat exchange body 211 and two first side plates 212, the first heat exchange body 211 includes a plurality of first heat exchange tubes 2111, the plurality of first heat exchange tubes 2111 exchange heat with an air flow flowing through the first heat exchanger 21, the two first side plates 212 are respectively disposed at two sides (for example, left and right sides in fig. 1) of the width of the first heat exchange body 211, and the first side plates 212 cover the ends of the first heat exchange body 211, so that one of the first side plates 212 covers one end of the width of the first heat exchange body 211, and the other first side plate 212 covers the other end of the width of the first heat exchange body 211, so that the two first side plates 212 can protect the plurality of first heat exchange tubes 2111 to protect the first heat exchange tubes 2111; furthermore, the condensed water generated at the end of the first heat exchange body 211 may flow onto the first side plate 212, and the first side plate 212 may guide the condensed water to the first drain pan 23, for example, the first side plate 212 may guide the condensed water to the water receiving tank 231a and discharge the condensed water to the second heat exchanger 22 through the drain port 231 c.

The first water pan 23 is fixedly connected with the first side plate 212, so that the first water pan 23 is convenient to mount, and meanwhile, the first water pan 23 is prevented from influencing the heat exchange efficiency of the first heat exchange body 211. For example, in the example of fig. 2, two ends (for example, the left and right ends in fig. 1) of the length of the first water collector 23 are fixedly connected to the two first side plates 212, respectively, so as to ensure stable installation of the first water collector 23.

It is understood that, when the heat exchanger assembly 2 is applied to the indoor unit 100, the first side plate 212 may be connected to the cabinet 1 of the indoor unit 100 to implement installation of the first heat exchanger 21.

In some embodiments, as shown in fig. 1, 5, 7 and 9, the second heat exchanger 22 includes a second heat exchange body 221 and two second side plates 222, the first heat exchange body 211 includes a plurality of second heat exchange tubes 2211, the plurality of second heat exchange tubes 2211 exchange heat with the airflow flowing through the second heat exchanger 22, the number of the second side plates 222 is two, the two second side plates 222 are respectively disposed at two sides (for example, the left side and the right side in fig. 1) of the width of the second heat exchange body 221, and the second side plates 222 cover the ends of the second heat exchange body 221, so that one of the second side plates 222 covers one end of the width of the second heat exchange body 221, and the other second side plate 222 covers the other end of the width of the second heat exchange body 221, so that the two second side plates 222 can protect the plurality of second heat exchange tubes 2211 to achieve protection of the second heat exchange tubes 2211; moreover, the condensed water generated at the end of the second heat exchange body 221 can flow onto the second side plate 222, the second side plate 222 guides the condensed water, when the heat exchanger assembly 2 is applied to the indoor unit 100 of an air conditioner, the second water-receiving tray 3 can be arranged at the bottom of the second heat exchanger 22, and the second side plate 222 can guide the condensed water to the second water-receiving tray 3.

It is understood that, when the heat exchanger assembly 2 is applied to the indoor unit 100, the second side plate 222 may be connected to the cabinet 1 of the indoor unit 100 to implement installation of the second heat exchanger 22.

Next, an air conditioning indoor unit 100 according to a second aspect of the present invention will be described with reference to the drawings.

As shown in fig. 10 to 12, the indoor unit 100 of the air conditioner includes a casing 1, a heat exchanger assembly 2 and a second water pan 3, the heat exchanger assembly 2 is disposed in the casing 1 to exchange heat with airflow in the casing 1, and the second water pan 3 is disposed at the bottom of the second heat exchanger 22, so that the second water pan 3 can be used to collect condensed water generated by the second heat exchanger 22; since the condensed water generated by the first heat exchanger 21 can flow to the second heat exchanger 22 through the water outlet 231c of the first water pan 23, the second water pan 3 can also be used for collecting the condensed water generated by the first heat exchanger 21, which facilitates the collection of the condensed water of the indoor unit 100 of the air conditioner and the centralized discharge of the condensed water.

According to the utility model discloses machine 100 in air conditioning through adopting foretell heat exchanger assembly 2, has made things convenient for the collection, the emission of machine 100 comdenstion water in the air conditioning.

Alternatively, the first heat exchanger 21 and the second heat exchanger 22 may be arranged in series or in parallel.

In the example of fig. 13, the second water pan 3 has a drain pipe 30 thereon, and the condensed water in the second water pan 3 can be drained through the drain pipe 30, so as to facilitate the concentrated drainage of the condensed water in the heat exchanger assembly 2.

In some embodiments, as shown in fig. 12, a first air duct 11 and a second air duct 12 isolated from the first air duct 11 are defined in the casing 1, the second air duct 12 and the first air duct 11 are independent from each other and do not interfere with each other, and the first air duct 11 and the second air duct 12 can realize different air outlet modes of the indoor unit 100 of the air conditioner in an independent and combined manner, for example, air is discharged from the first air duct 11 and is not discharged from the second air duct 12, or air is not discharged from the first air duct 11 and is discharged from the second air duct 12, or air is discharged from both the first air duct 11 and the second air duct 12, so that the air outlet modes of the indoor unit 100 of the air conditioner are enriched, and the indoor unit 100 of.

An air inlet 11a and an air outlet 11b communicated with the first air duct 11 are formed on the machine shell 1, the first heat exchanger 21 is arranged on the first air duct 11, so that air can flow into the first air duct 11 from the air inlet 11a and can be subjected to heat exchange with the first heat exchanger 21, and the air after heat exchange can flow out from the air outlet 11 b; an indoor air inlet 12c, a fresh air inlet 12a and an air outlet 12b which are communicated with the second air duct 12 are formed on the casing 1, the second heat exchanger 22 is arranged on the second air duct 12, so that indoor air can flow into the second air duct 12 through the indoor air inlet 12c, and/or outdoor air flows into the second air duct 12 through the fresh air inlet 12a, that is, the indoor air and/or the outdoor air flow into the second air duct 12 to perform heat exchange with the second heat exchanger 22, and the air after heat exchange flows out through the air outlet 12 b.

Because the first air duct 11 is isolated from the second air duct 12, the heat exchange of the air in the first air duct 11 and the heat exchange of the air in the second air duct 12 do not interfere with each other.

Therefore, if outdoor air flows into the second air duct 12 through the fresh air inlet 12a, air circulation between the indoor environment and the outdoor environment is realized, and the comfort of the indoor environment is effectively improved; if the indoor air flows into the second duct 12 through the indoor air inlet 12c, the ventilation of the indoor environment is facilitated, and the operation mode of the indoor unit 100 of the air conditioner is further enriched. For example, the indoor air inlet 12c may be provided with a switch door to open or close the indoor air inlet 12c, and the fresh air inlet 12a may also be provided with a switch door to open or close the fresh air inlet 12a, so that the air intake of the second air duct 12, such as the air intake source or the air intake amount of the second air duct 12, may be adjusted by controlling the switch door at the indoor air inlet 12c and the switch door at the fresh air inlet 12 a.

In some embodiments, as shown in fig. 10, the air outlets 11b and the air outlets 12b are arranged at intervals in the vertical direction, so that the first air duct 11 and the second air duct 12 are separated from each other, and meanwhile, the air outlets 11b and the air outlets 12b have different heights, so that the indoor air conditioner 100 can achieve multiple air outlet heights, and the air outlet modes of the indoor air conditioner 100 are further enriched.

Certainly, the air outlet 11b and the air outlet 12b can also be sleeved inside and outside, so that the height of the indoor unit 100 of the air conditioner can be reduced conveniently; for example, a part of the second air duct 12 may be disposed around a part of the first air duct 11, the air outlet 11b and the air outlet 12b may be located on the same side of the housing 1, and the air outlet 11b is sleeved on the inner side of the air outlet 12b, so that independent and combined air outlet of the air outlet 11b and the air outlet 12b can be realized; of course, the air outlet 12b may also be sleeved inside the air outlet 11 b.

One or more air outlets 11b and one or more air outlets 12b may be provided; when the air outlet 11b is plural, the plural air outlets 11b may be disposed in the up-down direction and/or the left-right direction, and when the air outlet 12b is plural, the plural air outlets 12b may be disposed in the up-down direction and/or the left-right direction. For example, in the example of fig. 10, four air outlets 11b are provided, four air outlets 11b are arranged in a plurality of rows and columns, two air outlets 12b are provided, and two air outlets 12b are provided in the left-right direction.

Optionally, a purification module may be disposed at the air inlet 11a, and the purification module may perform purification treatment on the air at the air inlet 11a, so as to ensure cleanness inside the casing 1 and simplify the post-maintenance of the indoor unit 100 of the air conditioner.

Optionally, a purifying module may be disposed at least one of the indoor air inlet 12c and the fresh air inlet 12a to purify the air flowing into the second air duct 12. Wherein, the purification module can comprise at least one of an electrostatic dust collection network and a HEPA network. For example, the purification module at the indoor air inlet 12c may include at least one of an electrostatic dust collection net, a HEPA net, and a formaldehyde removing device, and the purification module at the fresh air inlet 12a may include at least one of an electrostatic dust collection net, a HEPA net, and a uv sterilization device.

Of course, the indoor air inlet 12c and the fresh air inlet 12a may also share the same purification module.

Optionally, as shown in fig. 10, a first flow guiding assembly 84 is disposed at the air outlet 11b, and the first flow guiding assembly 84 may guide the airflow at the air outlet 11b to flow, for example, the first flow guiding assembly 84 may include a grating structure, a louver structure, and a rotary blade structure (or simply called a rotary blade), so that the first flow guiding assembly 84 is flexible in structural design, and facilitates implementing a structural diversity design of the indoor air conditioning unit 100, thereby enriching an air outlet mode of the indoor air conditioning unit 100.

Optionally, as shown in fig. 10, a second flow guiding assembly 85 is disposed at the air outlet 12b, and the second flow guiding assembly 85 may guide the airflow at the air outlet 12b to flow, for example, the second flow guiding assembly 85 may include a grille structure, a louver structure, and a rotary vane structure, so that the second flow guiding assembly 85 is flexible in structural design, and facilitates implementing a structural diversity design of the indoor air conditioner 100, and enriches the air outlet mode of the indoor air conditioner 100.

Alternatively, when the first flow guiding assembly 84 is disposed at the air outlet 11b and the second flow guiding assembly 85 is disposed at the air outlet 12b, the structures of the first flow guiding assembly 84 and the second flow guiding assembly 85 may be the same or different.

Optionally, at least one of the air outlet 11b and the air outlet 12b is provided with a negative ion purification module to purify, remove dust, remove odor, and sterilize the air flow at the at least one of the air outlet 11b and the air outlet 12b, so as to ensure the cleanness of the indoor environment and improve the comfort of the indoor environment.

Alternatively, as shown in fig. 10 and 11, the indoor air inlet 12c includes a first air inlet 12d, the first air inlet 12d and the fresh air inlet 12a are both located at the rear side of the casing 1, and the first air inlet 12d is disposed above the fresh air inlet 12a, so as to ensure the air volume of the second air duct 12.

In the example of fig. 11 to 14, a first opening and closing door 81 is provided at the first air inlet 12d to open or close the first air inlet 12 d; for example, the first opening and closing door 81 is movably provided at the first air inlet 12d, and the first opening and closing door 81 moves between an open position, in which the first opening and closing door 81 opens the first air inlet 12d and indoor air may flow into the second duct 12 through the first air inlet 12d, and a closed position, in which the first opening and closing door 81 closes the first air inlet 12d and indoor air cannot flow into the second duct 12 through the first air inlet 12 d.

The movement of the first opening/closing door 81 is not limited in this regard, for example, the first opening/closing door 81 can be rotated (as shown in fig. 12) or moved at the first air inlet 12d, and it is only necessary to ensure that the first opening/closing door 81 can open or close the first air inlet 12 d.

Alternatively, as shown in fig. 13 and 14, the indoor air inlet 12c includes a second air inlet 12e, the second air inlet 12e is located at least one of the left and right sides of the cabinet 1, and the fresh air inlet 12a is located at the rear side of the cabinet 1, which also facilitates to ensure the air volume of the second air duct 12.

In the example of fig. 13 and 14, second air inlets 12e are formed at the left and right sides of the cabinet 1, respectively, and a second opening and closing door 82 is provided at each of the second air inlets 12e to open or close the second air inlets 12 e; for example, the second opening and closing door 82 is movably provided at the second air inlet 12e, and when the first opening and closing door 81 opens the first air inlet 12d, the indoor air may flow into the second duct 12 through the first air inlet 12d, and when the first opening and closing door 81 is closed, the first air inlet 12d may prevent the indoor air from flowing into the second duct 12 through the first air inlet 12 d.

The movement of the second opening and closing door 82 is not limited in particular, for example, the second opening and closing door 82 can be rotated or moved at the second air inlet 12e, and it is only necessary to ensure that the second opening and closing door 82 can open or close the second air inlet 12 e.

Alternatively, as shown in fig. 11, the indoor air inlet 12c includes a first air inlet 12d and a second air inlet 12e, the first air inlet 12d and the fresh air inlet 12a are both located at the rear side of the cabinet 1, the first air inlet 12d is disposed above the fresh air inlet 12a, and the second air inlet 12e is located at least one of the left and right sides of the cabinet 1. For example, in the example of fig. 11 and 13, a first opening and closing door 81 is disposed at the first air inlet 12d to open or close the first air inlet 12d, second air inlets 12e are respectively formed at the left and right sides of the casing 1, a second opening and closing door 82 is disposed at each of the second air inlets 12e to open or close the second air inlets 12e, and a third opening and closing door 83 is disposed at the fresh air inlet 12a to open or close the fresh air inlet 12a, for example, the third opening and closing door 83 is movably disposed at the fresh air inlet 12a, for example, the third opening and closing door 83 is driven by a rack and pinion mechanism to move (as shown in fig. 13).

In some embodiments, as shown in fig. 12, a first fan assembly 4 is disposed in the first air duct 11, and the first fan assembly 4 operates to drive the airflow in the first air duct 11 to flow, so as to realize air outlet of the first air duct 11. Wherein the first fan assembly 4 is located downstream of the first heat exchanger 21. For example, in the example of fig. 12, the first heat exchanger 21 is arranged vertically, the second heat exchanger 22 is arranged obliquely, and the first fan assembly 4 is located at the front side of the first heat exchanger 21, so as to reasonably utilize the correspondingly increased space inside the enclosure 1 caused by the oblique arrangement of the second heat exchanger 22, at this time, the first heat exchanger 21 and the first fan assembly 4 are both located above the second heat exchanger 22, and in the front-rear direction, the sum of the thicknesses occupied by the first heat exchanger 21 and the first fan assembly 4 is substantially equal to the thickness occupied by the second heat exchanger 22, thereby improving the utilization ratio of the space inside the enclosure 1.

Optionally, the first fan assembly 4 includes at least one of the axial flow wind wheel 42, the counter-rotating wind wheel 41 and the diagonal flow wind wheel, so that the first fan assembly 4 is flexible in design and can better adapt to actual differentiation requirements. It is to be understood that when first fan assembly 4 includes axial flow rotor 42, axial flow rotor 42 may be one or more; when the first fan assembly 4 includes the counter-rotor blades 41, the counter-rotor blades 41 may be one or more; when the first fan assembly 4 comprises a diagonal flow rotor, the diagonal flow rotor may be one or more.

As shown in fig. 12, a second fan assembly 5 is disposed in the second air duct 12, and the second fan assembly 5 can drive the airflow in the second air duct 12 to flow when operating, so as to realize air outlet of the second air duct 12. Wherein the second fan assembly 5 is located upstream of the second heat exchanger 22, for example, in the example of fig. 12, the second fan assembly 5 is located below the second heat exchanger 22, so that the second fan assembly 5 is arranged reasonably, and the thickness of the indoor air conditioner 100 is prevented from being large.

Optionally, the second fan assembly 5 includes a centrifugal wind wheel 51, so as to increase wind pressure, and meanwhile, the centrifugal wind wheel 51 may be disposed below the second heat exchanger 22, so that the centrifugal wind wheel 51 is matched with the second heat exchanger, and air outlet of the second air duct 12 of the indoor unit 100 of the air conditioner is realized.

In some embodiments, as shown in fig. 4, 6 and 12, the first air duct 11 is located above the second air duct 12, the first water receiving tray 23 further includes a separating portion 232, the separating portion 232 is located at a front side of the water receiving portion 231, and the separating portion 232 abuts against the first fan assembly 4 to separate the first air duct 11 from the second air duct 12, so as to implement the separation of the first air duct 11 and the second air duct 12, so that the air-conditioning indoor unit 100 does not need to additionally provide a partition plate to separate the inner cavity of the casing 1, the number of components of the air-conditioning indoor unit 100 is reduced, the structure is simplified, and the layout is convenient.

In some embodiments, as shown in fig. 12, the indoor air inlet 12c includes a first air inlet 12d, the indoor unit 100 further includes an air treatment module 6, and the air treatment module 6 is disposed in the second air duct 12, so that the air treatment module 6 can treat the airflow in the second air duct 12, such as purifying, humidifying, sterilizing, and the like. Wherein, air treatment module 6 is including filtering a piece 61, and filter 61 can filter the air in the second wind channel 12 to realize the purification of air, guarantee the clean of room air, filter 61 and be located the upper reaches of second fan subassembly 5, filter 61 and first air inlet 12d and new trend import 12a set up relatively so that the air current of first air inlet 12d and new trend import 12a department all flows to filtering a piece 61. Therefore, the first air inlet 12d and the fresh air inlet 12a can share the filter element 61, so that the number of components of the indoor unit 100 of the air conditioner is reduced, and the structural layout of the indoor unit 100 of the air conditioner is facilitated.

Optionally, a replacing port is formed in the casing 1, the replacing port and the filtering member 61 are arranged oppositely, the filtering member 61 can be installed in the second air duct 12 through the replacing port, and the filtering member 61 can also be detached from the second air duct 12 through the replacing port to realize cleaning and replacing.

The filter 61 includes at least one of an electrostatic dust collection mesh, a HEPA mesh, and the filter 61 includes the electrostatic dust collection mesh, or the filter 61 includes the HEPA mesh, or the filter 61 includes the electrostatic dust collection mesh and the HEPA mesh. The electrostatic dust collection net can ionize gas by using an electrostatic field so as to enable dust particles in the gas to be adsorbed on the electrodes in a charged manner, and thus, the air purification is realized; the HEPA (High Efficiency Air filtration) net can be made of fiber material or chemical fiber material to filter Air so as to remove particle dust and suspended substances in the Air. The filter element 61 thus has good flexibility of arrangement in order to better meet the actual requirements.

Wherein, the electrostatic dust collecting net can be selected from IFD (intense Field direct) electrostatic dust collecting net.

Optionally, the air processing module 6 includes an ultraviolet sterilization device, and the ultraviolet sterilization device is disposed in the second air duct 12, and the ultraviolet sterilization device can sterilize and disinfect the air, so as to ensure the cleanness of the indoor air, and is beneficial to ensuring the health of the user.

In some embodiments, as shown in fig. 1, 12 and 13, the air conditioning indoor unit 100 further includes an electric auxiliary heat 7, the electric auxiliary heat 7 is provided on at least one of the first heat exchanger 21 and the second heat exchanger 22, and then the electric auxiliary heat 7 is provided on the first heat exchanger 21, or the electric auxiliary heat 7 is provided on the second heat exchanger 22, or the electric auxiliary heat 7 is provided on the first heat exchanger 21 and the second heat exchanger 22, for example, the electric auxiliary heat 7 is provided on both the first heat exchanger 21 and the second heat exchanger 22. Wherein, the electric auxiliary heater 7 extends along the width direction (e.g. left and right direction in fig. 1) or the height direction (e.g. up and down direction in fig. 1) of the heat exchanger assembly 2, which facilitates the arrangement of the electric auxiliary heater 7 and the improvement of the utilization rate of the electric auxiliary heater 7.

In the example of fig. 12 and 13, at least one electric auxiliary heat 7 is provided on the first heat exchanger 21, the electric auxiliary heat 7 extending in the width direction of the first heat exchanger 21; at least one electric auxiliary heater 7 is arranged on the second heat exchanger 22, and the electric auxiliary heater 7 extends along the width direction of the second heat exchanger 22.

It is understood that the electric auxiliary heat 7 on the first heat exchanger 21 may also extend in the height direction of the first heat exchanger 21 (e.g., the up-down direction in fig. 12), and the electric auxiliary heat 7 on the second heat exchanger 22 may also extend in the height direction of the second heat exchanger 22 (e.g., the up-down direction in fig. 12).

When there are a plurality of electric auxiliary heaters 7 on the first heat exchanger 21, the plurality of electric auxiliary heaters 7 may be arranged at intervals along the height direction of the first heat exchanger 21, and each electric auxiliary heater 7 extends along the width direction of the first heat exchanger 21; alternatively, a plurality of electric auxiliary heaters 7 are arranged at intervals in the width direction of the first heat exchanger 21, and each electric auxiliary heater 7 extends in the height direction of the first heat exchanger 21. When the number of the electric auxiliary heat 7 on the second heat exchanger 22 is multiple, the multiple electric auxiliary heat 7 can be arranged at intervals along the height direction of the second heat exchanger 22, and each electric auxiliary heat 7 extends along the width direction of the second heat exchanger 22; alternatively, a plurality of electric auxiliary heaters 7 are arranged at intervals in the width direction of the second heat exchanger 22, and each electric auxiliary heater 7 extends in the height direction of the second heat exchanger 22.

Optionally, the two ends of the length of the electric auxiliary heater 7 are respectively provided with an electric auxiliary heater fixing plate 70, and the electric auxiliary heater fixing plate 70 is fixedly connected with the side plate of the heat exchanger to fix the electric auxiliary heater 7. For example, in the example of fig. 9, 12 and 13, the first heat exchanger 21 is provided with a plurality of electric auxiliary heaters 7, the two ends of the length of each electric auxiliary heater 7 are respectively provided with an electric auxiliary heating fixing plate 70, and the two electric auxiliary heating fixing plates 70 are respectively fixedly connected with the two first side plates 212. For another example, in the example of fig. 9, 12 and 13, the second heat exchanger 22 is provided with a plurality of electric auxiliary heaters 7, two ends of the length of each electric auxiliary heater 7 are respectively provided with an electric auxiliary heating fixing plate 70, and two electric auxiliary heating fixing plates 70 are respectively fixedly connected with the two second side plates 222; the plurality of electric auxiliary heaters 7 on the first heat exchanger 21 can share two electric auxiliary heating fixing plates 70, and the plurality of electric auxiliary heaters 7 on the second heat exchanger 22 can share two electric auxiliary heating fixing plates 70.

Other configurations and operations of the air conditioning indoor unit 100 according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.

An air conditioning indoor unit 100 according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 14 as a specific embodiment. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the invention.

In this embodiment, as shown in fig. 1 to 3, the indoor air conditioner 100 includes a casing 1, a heat exchanger assembly 2, a second water pan 3, a first fan assembly 4, a second fan assembly 5, and an air processing module 6, where the heat exchanger assembly 2 includes a first heat exchanger 21, a second heat exchanger 22, and a first water pan 23, the second heat exchanger 22 and the first heat exchanger 21 are arranged in an up-down direction, the second heat exchanger 22 is located at a lower side of the first heat exchanger 21, and the first water pan 23 is located between the first heat exchanger 21 and the second heat exchanger 22.

A first air duct 11 and a second air duct 12 isolated from the first air duct 11 are defined in the cabinet 1, the cabinet 1 includes a main body 10a and a protruding portion 10b, the main body 10a is formed into a substantially rectangular parallelepiped structure, the protruding portion 10b is disposed at a lower end of a rear side of the main body 10a to protrude a rear surface of the main body 10a, the first air duct 11 is formed in the main body 10a, the second air duct 12 is formed in the main body 10a and the protruding portion 10b, and the second air duct 12 is located below the first air duct 11.

An air inlet 11a and an air outlet 11b communicated with the first air duct 11 are formed on the main body 10a, the air inlet 11a is formed on the rear upper portion of the main body 10a, the air outlet 11b is formed on the front upper portion of the main body 10a, and the air outlet 11b is opposite to the air inlet 11a in the front-rear direction, an air outlet 12b communicated with the second air duct 12 is formed on the main body 10a, the air outlet 12b is formed on the front side of the main body 10a, and the air outlet 12b is spaced below the air outlet 11b, a fresh air inlet 12a and an indoor air inlet 12c communicated with the second air duct 12 are formed on the protruding portion 10b, the fresh air inlet 12a is formed on the rear side of the protruding portion 10b, the indoor air inlet 12c includes a first air inlet 12d and a second air inlet 12e, the first air inlet 12d is formed on the rear side of the protruding portion 10b and is located above the fresh air inlet 12a, the second air inlets 12e are located on the left and right sides of the projection 10 b.

The first air inlet 12d is provided with a first switch door 81 to open or close the first air inlet 12d, the second air inlet 12e is provided with a second switch door 82 to open or close the second air inlet 12e, and the fresh air inlet 12a is provided with a third switch door 83 to open or close the fresh air inlet 12a, so that different operation modes of the indoor unit 100 can be realized by controlling the first switch door 81, the second switch door 82 and the third switch door 83.

First heat exchanger 21 and first fan subassembly 4 all locate in first wind channel 11, first heat exchanger 21 can be vertical to be arranged, first fan subassembly 4 includes two to spinning wheel 41 and two axial compressor wind wheels 42, two are established in the top of two axial compressor wind wheels 42 to spinning wheel 41, two are set up along controlling the direction interval to spinning wheel 41, every is to spinning wheel 41 and corresponds an air outlet 11b, two axial compressor wind wheels 42 are along controlling the direction interval setting, every axial compressor wind wheel 42 corresponds an air outlet 11b, every air outlet 11b department can be equipped with first water conservancy diversion subassembly 84.

From this, through the setting of a plurality of air outlets 11b, and the matching of the wind speed wind direction between the air outlet 11b wind gap, realize different wind sense through adjusting the wind speed between each air outlet 11b, combination and cooperation between the different wind gaps, realize multiple wind sense, satisfy user's needs under the different scenes, and under many people's scenes, different user is to the different demands of wind temperature, thereby the travelling comfort of machine 100 operation in the air conditioning has been improved, the softness of wind sense and the refrigeration ability of machine under the improvement no wind sense mode.

The second heat exchanger 22, the second fan assembly 5 and the air treatment module 6 are all arranged in the second air duct 12, the air treatment module 6 comprises a filter element 61, the filter element 61 is arranged in the second air duct 12, and the filter element 61 is arranged on the front sides of the first air inlet 12d and the fresh air inlet 12a so that the filter element 61, the first air inlet 12d and the fresh air inlet 12a are arranged in a front-back opposite manner; the second air duct 12 includes an upstream air duct and a downstream air duct, the downstream air duct being located downstream of the filter member, the second air inlet 12e being formed on a wall surface of the downstream air duct, the second air inlet 12e being disposed opposite to the filter member 61 in the left-right direction; the second heat exchanger 22 is arranged in the downstream air duct, the second heat exchanger 22 is positioned at the downstream of the second fan assembly 5, the second heat exchanger 22 is obliquely arranged relative to the first heat exchanger 2, the second heat exchanger 62 is obliquely arranged from top to bottom and from back to front so that the second heat exchanger 22 and the air outlet 12b are in large-area and full contact, and the second heat exchanger 22 and the air outlet 12b are arranged in a front-back opposite mode. The second fan assembly 5 comprises a centrifugal wind wheel 51, the centrifugal wind wheel 51 is located in the downstream air duct, the centrifugal wind wheel 51 is arranged on the front side of the filtering piece 61, the air inlet end of the centrifugal wind wheel 51 is opposite to the filtering piece 61, and the second heat exchanger 22 is arranged above the centrifugal wind wheel 51.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A heat exchanger assembly, comprising:

a first heat exchanger;

the second heat exchanger and the first heat exchanger are arranged along the vertical direction, and the second heat exchanger is positioned at the lower side of the first heat exchanger;

the first water pan is arranged between the first heat exchanger and the second heat exchanger and provided with a water outlet, and condensed water of the first heat exchanger is suitable for flowing to the second heat exchanger through the water outlet.

2. The heat exchanger assembly of claim 1, wherein the first water pan comprises a water receiving portion having a water receiving trough formed thereon, the water receiving trough being located below a lower end of the first heat exchanger, the water drain opening being formed in a side wall of the water receiving trough.

3. The heat exchanger assembly of claim 2, wherein the lower wall surface of the drain opening is flush with the bottom wall of the water receiving trough.

4. The heat exchanger assembly of claim 3, wherein the bottom wall of the water-receiving trough extends downwardly in a direction towards the drain opening.

5. The heat exchanger assembly as claimed in claim 2, wherein a plurality of support ribs are formed on the bottom wall of the water receiving tank, and the plurality of support ribs are supported at the bottom of the first heat exchanger and are arranged at intervals along the width direction of the first heat exchanger.

6. The heat exchanger assembly according to claim 1, wherein a pipeline through hole is formed in the first water pan, the pipeline through hole penetrates through the first water pan in the vertical direction, a pipeline of the heat exchanger assembly is arranged in the pipeline through hole in a penetrating mode, one side of the pipeline through hole is opened to form an opening, and a gland is arranged at the opening to close the opening.

7. The heat exchanger assembly according to any one of claims 1 to 6, wherein an angle is formed between the arrangement direction of the first heat exchanger and the arrangement direction of the second heat exchanger, so that the second heat exchanger is arranged obliquely with respect to the first heat exchanger.

8. The heat exchanger assembly according to claim 7, wherein the first heat exchanger is arranged vertically, the second heat exchanger is arranged from top to bottom and is inclined forwards, and the included angle between the arrangement direction of the second heat exchanger and the vertical direction ranges from 10 degrees to 45 degrees.

9. The heat exchanger assembly of claim 1, wherein the first heat exchanger comprises:

a first heat exchange body comprising a plurality of first heat exchange tubes;

the first side plates are arranged on two sides of the width of the first heat exchange body respectively and cover the end parts of the first heat exchange body, and the first water pan is fixedly connected with the first side plates.

10. The heat exchanger assembly of claim 9, wherein the second heat exchanger comprises:

a second heat exchange body comprising a plurality of second heat exchange tubes;

and the two second side plates are respectively arranged on two sides of the width of the second heat exchange body and cover the end parts of the second heat exchange body.

11. An indoor unit of an air conditioner, comprising:

a machine shell, a first cover plate and a second cover plate,

a heat exchanger assembly according to any one of claims 1 to 10, the heat exchanger assembly being provided within a housing;

and the second water pan is arranged at the bottom of the second heat exchanger.

12. An indoor unit of an air conditioner as claimed in claim 11, wherein a first air duct and a second air duct isolated from the first air duct are defined in the casing, an air inlet and an air outlet communicated with the first air duct are formed on the casing, an indoor air inlet, a fresh air inlet and an air outlet communicated with the second air duct are formed on the casing, the first heat exchanger is disposed in the first air duct, and the second heat exchanger is disposed in the second air duct.

13. An indoor unit of an air conditioner according to claim 12, wherein the fresh air inlet is provided at a rear side of the cabinet,

the indoor air inlet includes:

the first air inlet is positioned at the rear side of the shell and is arranged above the fresh air inlet; and/or the presence of a gas in the gas,

a second air inlet located at least one of left and right sides of the cabinet.

14. An indoor unit of an air conditioner as claimed in claim 12, wherein a first fan assembly is provided in the first air duct, the first fan assembly being located downstream of the first heat exchanger, and a second fan assembly is provided in the second air duct, the second fan assembly being located upstream of the second heat exchanger.

15. An indoor unit of an air conditioner according to claim 14, wherein the first air duct is located above the second air duct, and the first water pan further includes a partition portion and a water receiving portion, and the partition portion is located on a front side of the water receiving portion and abuts against the first fan assembly to partition the first air duct from the second air duct.

16. An indoor unit of an air conditioner according to claim 14, wherein the indoor air inlet includes a first air inlet,

further comprising:

an air treatment module, the air treatment module is located the second wind channel just includes filtering piece, it is located to filter the piece the upper reaches of second fan subassembly, and with first air intlet with the new trend import sets up so that first air intlet with the air current of new trend import department all flows to filter the piece.

17. An indoor unit of an air conditioner according to claim 11, further comprising:

and the electric auxiliary heat is arranged on at least one of the first heat exchanger and the second heat exchanger and is positioned on the downstream side of the heat exchanger assembly, and the electric auxiliary heat extends along the width direction or the height direction of the heat exchanger assembly.