CN217876159U - Indoor unit of air conditioner - Google Patents

Abstract

The utility model provides an indoor unit of air conditioner. The air conditioner indoor unit comprises a shell, wherein an indoor air outlet is formed in the shell, and a first indoor air inlet, a second indoor air inlet and a third indoor air inlet which are communicated with the indoor air outlet are also formed in the shell; the first indoor air inlet is arranged at the rear side of the shell, and the second indoor air inlet and the third indoor air inlet are respectively arranged at two sides of the first indoor air inlet; indoor heat exchanger locates in the casing, and first indoor air intake is just to the position is located to indoor heat exchanger part at least, and indoor heat exchanger includes: the first end part extends towards the second indoor air inlet and extends to the rear side of the second indoor air inlet; and the second end part extends towards the third indoor air inlet and extends to the rear side of the third indoor air inlet. According to the air conditioner indoor unit, the first end and the second end are arranged close to the back, so that the indoor heat exchanger is prevented from shielding the second indoor air inlet and the third indoor air inlet, and the heat exchange efficiency is improved.

Description

Indoor unit of air conditioner

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to an indoor unit of air conditioner.

Background

Among the prior art, the air conditioner adopts the structure of the horizontal or vertical setting of single cross-flow fan more, or adopt and domestic TV, the setting mode that domestic locker combined together, present air conditioner can satisfy ordinary refrigeration, heat and the effect of decorating, but along with the further demand of user to the refrigeration heating effect of air conditioner, propose higher demand to the heat exchange efficiency and the energy-conserving effect of air conditioner, present air conditioner that uses single cross-flow fan can not satisfy the user to the requirement of air conditioner to refrigeration heating effect, and can not satisfy the user to the further improvement of heat exchange efficiency and the energy-conserving effect of air conditioner.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve one of the technical problem in the correlation technique at least to a certain extent.

For this reason, this application aims at providing an air conditioning and gives first end and second end and lean on the back to set up in this air conditioning, has avoided indoor heat exchanger to shelter from the indoor air intake of second and the indoor air intake of third, has strengthened heat exchange efficiency.

An air conditioning indoor unit according to the present application includes: the air conditioner comprises a shell, a first air inlet, a second air inlet and a third air inlet, wherein the shell is provided with an indoor air outlet and is also provided with a first indoor air inlet, a second indoor air inlet and a third indoor air inlet which are communicated with the indoor air outlet; the first indoor air inlet is formed in the rear side of the shell, and the second indoor air inlet and the third indoor air inlet are formed in the two sides of the first indoor air inlet respectively; the indoor heat exchanger is arranged in the shell, at least part of the indoor heat exchanger is arranged at the position right opposite to the first indoor air inlet, and the indoor heat exchanger comprises: a first end portion extending toward the second indoor air inlet and to a rear side of the second indoor air inlet; and the second end part extends towards the third indoor air inlet and extends to the rear side of the third indoor air inlet.

In some embodiments of the present application, a first air inlet gap is formed between the indoor heat exchanger and the first indoor air inlet, and indoor air entering from the second indoor air inlet and the third indoor air inlet respectively flows through the first air inlet gap to exchange heat with the indoor heat exchanger.

In some embodiments of the present application, the indoor heat exchanger comprises: a heat exchange coil in which a refrigerant flows; the main part, it is equipped with and is used for holding heat exchange coil's installation space, the main part is equipped with ventilation gap, the air current in the first air inlet clearance can pass through ventilation gap gets into in the installation space with heat exchange coil carries out the heat exchange.

In some embodiments of this application, be formed with the heat transfer wind channel in the casing, the heat transfer wind channel with indoor air outlet intercommunication, indoor air outlet has the first indoor air outlet and the indoor air outlet of second of controlling the interval setting.

In some embodiments of the present application, the heat exchange air duct includes a first heat exchange air duct corresponding to the first indoor air outlet and a second heat exchange air duct corresponding to the second indoor air outlet, and a cross-flow fan is respectively disposed in the first heat exchange air duct and the second heat exchange air duct.

In some embodiments of the present application, the first end portion and the second end portion are respectively located on a front side of the indoor evaporator, the first end portion and the second end portion are formed with an end plate facing the front side, a coil pipe hole is formed in the end plate, and the heat exchange coil pipe is arranged in the coil pipe hole in a penetrating manner.

In some embodiments of the present application, the indoor heat exchanger further comprises a connection plate having at least two, one of the connection plates being connected between the first end and the cabinet and one of the connection plates being connected between the second end and the cabinet.

In some embodiments of the present application, the indoor unit of an air conditioner further includes a flow guide portion, the flow guide portion is disposed on a front side of the cross flow fan, a first air outlet and a second air outlet are formed on the flow guide portion, the first air outlet is correspondingly disposed on a rear side of the first indoor air outlet, and the second air outlet is correspondingly disposed on a rear side of the second indoor air outlet.

In some embodiments of the present application, the first air outlet and the second air outlet are provided with grilles.

In some embodiments of this application, machine still includes the filter screen subassembly in the air conditioning, the filter screen subassembly is a plurality of, and is a plurality of the filter screen subassembly is located respectively first indoor air intake, the indoor air intake of second with air intake department in the third room.

The air conditioner indoor unit at least has the following positive effects:

the utility model provides an indoor unit of air conditioner. The air conditioner indoor unit comprises a shell, wherein an indoor air outlet is formed in the shell, and a first indoor air inlet, a second indoor air inlet and a third indoor air inlet which are communicated with the indoor air outlet are also formed in the shell; the first indoor air inlet is arranged at the rear side of the shell, and the second indoor air inlet and the third indoor air inlet are respectively arranged at two sides of the first indoor air inlet; indoor heat exchanger locates in the casing, and first indoor air intake is just to the position is located to indoor heat exchanger part at least, and indoor heat exchanger includes: the first end part extends towards the second indoor air inlet and extends to the rear side of the second indoor air inlet; and the second end part extends towards the third indoor air inlet and extends to the rear side of the third indoor air inlet. According to the air conditioner indoor unit, the first end and the second end are arranged close to the back, so that the indoor heat exchanger is prevented from shielding the second indoor air inlet and the third indoor air inlet, and the heat exchange efficiency is improved.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a view of an external appearance of an air conditioning indoor unit according to an embodiment of the present application;

fig. 2 is a view of an external appearance from another perspective of an air conditioning indoor unit according to an embodiment of the present application;

fig. 3 is a front view of an air conditioning indoor unit according to an embodiment of the present application;

FIG. 4 isbase:Sub>A sectional view taken along line A-A of FIG. 3;

fig. 5 is a right side view of an air conditioning indoor unit according to an embodiment of the present application;

fig. 6 is a left side view of an air conditioning indoor unit according to an embodiment of the present application;

fig. 7 is a schematic view of an air conditioning indoor unit according to an embodiment of the present application with a front panel removed;

fig. 8 is an exploded view of an air conditioning indoor unit according to an embodiment of the present application;

fig. 9 is a partial schematic view of an air conditioning indoor unit according to an embodiment of the present application with a front panel removed;

fig. 10 is a front view of an air conditioning indoor unit according to an embodiment of the present application with a front panel removed;

FIG. 11 is a cross-sectional view B-B of FIG. 10;

in the above figures: 100. an air-conditioning indoor unit; 1. a housing; 11. an indoor air outlet; 111. a first indoor air outlet; 112. a second indoor air outlet; 12. an indoor air inlet; 121. a first indoor air inlet; 122. A second indoor air inlet; 123. an air inlet in the third chamber; 13. a first air intake gap; 14. a heat exchange air duct; 141. a first heat exchange air duct; 142. a second heat exchange air duct; 15. a front panel; 16. a back plate; 17. a top plate; 2. an indoor heat exchanger; 21. a first end portion; 22. a second end portion; 23. a heat exchange coil; 24. a main body portion; 241. a ventilation gap; 25. an end plate; 251. a coil hole; 26. a connecting plate; 3. a cross-flow fan; 4. A flow guide part; 41. a first air outlet; 42. a second air outlet; 5. a screen assembly; 6. a base; 7. a grid.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely 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, are not to be construed as limiting the present invention.

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, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The air conditioner includes a compressor, a condenser, an expansion valve, and an evaporator, and performs a refrigeration cycle or a heating cycle through the compressor, the condenser, the expansion valve, and the evaporator. The refrigeration cycle and the heating cycle comprise a compression process, a condensation process, an expansion process and an evaporation process, and cold or heat is provided for the indoor space through the heat absorption and release processes of the refrigerant, so that the temperature of the indoor space is adjusted.

The compressor compresses a refrigerant gas into a high-temperature and high-pressure state, discharges the compressed refrigerant gas, and the discharged refrigerant gas flows into the condenser. The condenser condenses the compressed high-temperature and high-pressure gaseous refrigerant into a liquid refrigerant, and heat is released to the surrounding environment through the condensation process.

The liquid refrigerant flowing out of the condenser enters an expansion valve, which expands the liquid refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid refrigerant. The low-pressure liquid refrigerant flowing out of the expansion valve enters the evaporator, absorbs heat when the liquid refrigerant flows through the evaporator and is evaporated into low-temperature and low-pressure refrigerant gas, and the refrigerant gas in the low-temperature and low-pressure state returns to the compressor. The evaporator can achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.

The air conditioner comprises an air conditioner indoor unit, an air conditioner outdoor unit and an expansion valve, wherein the air conditioner indoor unit comprises a compressor and an outdoor heat exchanger, the air conditioner indoor unit comprises an indoor heat exchanger, and the expansion valve can be arranged in the air conditioner indoor unit or the air conditioner outdoor unit.

The indoor heat exchanger and the outdoor heat exchanger can be used as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater for a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler for a cooling mode.

Hereinafter, embodiments of the present application will be described in detail with reference to fig. 1 to 11. In the drawings, the side of the air-conditioning indoor unit facing the user when in use is defined as the front side, and the opposite side is defined as the rear side. When the air conditioner indoor unit is defined to be used, the directions felt by a user are the left side, the right side, the upper side and the lower side.

The application provides a can provide the higher machine in air conditioning of good refrigeration heating effect and heat exchange efficiency. The air conditioner indoor unit comprises a machine shell 1 and an indoor heat exchanger 2.

The casing 1 is provided with an indoor air outlet, and further provided with a first indoor air inlet 121, a second indoor air inlet 122 and a third indoor air inlet 123 which are communicated with the indoor air outlet. The first indoor intake port 121 is disposed at a rear side of the casing 1, and the second indoor intake port 122 and the third indoor intake port 123 are respectively disposed at two sides of the first indoor intake port 121.

The indoor heat exchanger 2 is disposed in the casing 1, at least a portion of the indoor heat exchanger 2 is disposed at a position opposite to the first indoor air inlet 121, and the indoor heat exchanger 2 includes a first end portion 21 and a second end portion 22. The first end portion 21 extends toward the second indoor intake opening 122 and to the rear side of the second indoor intake opening 122. The second end portion 22 extends toward the third chamber intake vent 123 and to the rear side of the third chamber intake vent 123.

Specifically, the cabinet 1 includes a front panel 15 and a back panel 16 connected to a rear side of the front panel 15. The indoor air outlet is provided on the front panel 15, and the air-conditioned air flowing out of the air conditioner is blown out to the indoor from the indoor air outlet. The indoor air inlets comprise a first indoor air inlet 121, a second indoor air inlet 122 and a third indoor air inlet 123, the first indoor air inlet 121 is located on the rear side of the back plate 16, the second indoor air inlet 122 and the third indoor air inlet 123 are respectively arranged on the left side and the right side of the back plate 16, indoor air can enter the indoor air conditioner through the first indoor air inlet 121, the second indoor air inlet 122 and the third indoor air inlet 123, the efficiency of the indoor air entering the indoor air conditioner is improved, indoor air can rapidly enter the indoor air conditioner to exchange heat, and the heat exchange efficiency of the indoor air conditioner is improved.

A heat exchange air duct is formed in the machine shell 1 and communicated with the indoor air outlet and the indoor air inlet.

The indoor heat exchanger 2 is arranged in the heat exchange air duct. The indoor unit of the air conditioner further comprises an indoor fan, and the indoor fan is located in the heat exchange air duct. The indoor heat exchanger 2 is arranged on one side of the indoor fan close to the indoor air inlet so as to enhance the heat exchange between the air flow entering from the indoor air inlet and the indoor heat exchanger 2.

The indoor heat exchanger 2 extends along the up-down direction, and at least part of the indoor heat exchanger 2 is arranged at the position right opposite to the front side of the first indoor air inlet 121 positioned at the rear side of the back plate 16, so that the air flow entering from the first indoor air inlet 121 can directly enter the indoor heat exchanger 2 for heat exchange, the flow path of the air flow entering from the first indoor air inlet 121 into the indoor heat exchanger 2 is shortened, and the heat exchange efficiency of the indoor air and the indoor heat exchanger 2 is improved.

The indoor heat exchanger 2 includes a first end portion 21 and a second end portion 22 extending to the front side, the first end portion 21 extends toward the position where the second indoor air inlet 122 is located, and the second end portion 22 extends toward the position where the third indoor air inlet 123 is located. The first end portion 21 is located behind a boundary between the second indoor air inlet 122 and the first indoor air inlet 121, so as to prevent the first end portion 21 from covering the second indoor air inlet 122, reduce resistance of indoor air flowing from the second indoor air inlet 122 in the heat exchange air duct, and increase an air inlet area. The second end 22 is located at a boundary between the third indoor air inlet 123 and the first indoor air inlet 121, so as to prevent the second end 22 from covering the third indoor air inlet 123, reduce resistance of indoor air flowing from the third indoor air inlet 123 flowing in the heat exchange air duct, and increase an air inlet area.

The casing 1 further comprises a top plate 17 connected to the upper ends of the front panel 15 and the back plate 16, the top plate 17 is used for sealing the upper portion of the indoor unit of the air conditioner, the turbulence degree of airflow flowing in the indoor unit of the air conditioner is reduced, indoor air can enter the indoor unit of the air conditioner in order, the indoor air can be blown out of the indoor air outlet of the front panel 15 in order to the indoor space, external dust and sundries can be reduced, the air conditioner can enter the indoor unit of the air conditioner, and the protection effect is achieved.

The air conditioning indoor unit may be a floor type cabinet, but the embodiment of the present application is not limited thereto.

The cabinet 1 may form an overall appearance of the indoor unit of the air conditioner. In the present example, the air conditioning indoor unit is generally cylindrical. The indoor unit of the air conditioner can be in the forms of a cylinder, a square column, an irregular column and the like.

In some embodiments of the present application, a first air inlet gap 13 is formed between the indoor heat exchanger 2 and the first indoor air inlet 121, and indoor air entering from the second indoor air inlet 122 and the third indoor air inlet 123 respectively flows through the first air inlet gap 13 to exchange heat with the indoor heat exchanger 2.

The indoor air flow entering the indoor unit of the air conditioner from the first indoor air inlet 121 enters the heat exchange air duct, and because the indoor heat exchanger 2 is arranged at the position opposite to the first indoor air inlet 121, the indoor air flow can directly enter the first air inlet gap 13, then enters the indoor heat exchanger 2 from the first air inlet gap 13, is discharged to the indoor from the indoor air outlet through the indoor fan after exchanging heat with the indoor heat exchanger 2, so that the flow path of the air flow is shortened, and the heat exchange efficiency is increased.

After the indoor air flow entering the indoor unit of the air conditioner from the second indoor air inlet 122 enters the heat exchange air duct, the first end portion 21 does not cover the second indoor air inlet 122, so that the indoor air flow can flow into the first air inlet gap 13, then enters the indoor heat exchanger 2 from the first air inlet gap 13, exchanges heat with the indoor heat exchanger 2, and is discharged to the indoor from the indoor air outlet through the indoor fan, the heat exchange area between the indoor heat exchanger 2 and the indoor air flow is increased, and the heat exchange efficiency is improved.

After the indoor air flow entering the indoor unit of the air conditioner from the third indoor air inlet 123 enters the heat exchange air duct, since the second end portion 22 does not cover the third indoor air inlet 123, the indoor air flow can flow into the first air inlet gap 13, then enters the indoor heat exchanger 2 from the first air inlet gap 13, and is discharged to the indoor from the indoor air outlet through the indoor fan after exchanging heat with the indoor heat exchanger 2, so that the heat exchange area between the indoor heat exchanger 2 and the indoor air flow is increased, and the heat exchange efficiency is improved.

Compare the indoor air intake and only have the condition of one among the prior art, this application comes the air inlet through a plurality of indoor air intakes, and the room air can both flow through first air inlet clearance 13, has strengthened heat exchange efficiency, makes the air conditioner have more superior refrigeration heating effect.

Indoor air outlet has multiple setting mode, is not restricted to two indoor air outlet setting modes of front panel 15 of this application.

In some embodiments of the present application, the indoor heat exchanger 2 includes a heat exchanging coil 23 and a main body portion 24. The heat exchange coil 23 flows a refrigerant, and the refrigerant exchanges heat with air flow in the heat exchange air duct to achieve the purpose of refrigeration or heating.

The main body portion 24 is provided with an installation space for accommodating the heat exchange coil 23, the main body portion 24 is provided with a ventilation gap 241, and the airflow in the first air inlet gap 13 can enter the installation space through the ventilation gap 241 to exchange heat with the heat exchange coil 23.

In some embodiments, fins are disposed on the main body portion 24, the cooling medium in the heat exchanging coil 23 cools the fins, and the air in the heat exchanging air cavity exchanges heat with the fins, so that the heat exchanging efficiency is improved.

In some embodiments of the present application, a heat exchange air duct is formed in the casing 1, the heat exchange air duct is communicated with the indoor air outlet, and the indoor air outlet has a first indoor air outlet 111 and a second indoor air outlet 112 which are arranged at left and right intervals.

Indoor air outlet can be round hole or rectangular rectangle hole, and the number of indoor air intake and indoor air outlet can set up as required, and wherein, indoor air intake and indoor air outlet have at least one.

The indoor air outlet can be provided with a door body to open or close the indoor air outlet, the door body can be connected to the machine shell 1 in a sliding or rotating mode, and the door body can guide air at the indoor air outlet.

In some embodiments of the present application, the indoor fan is a cross-flow fan 3, the heat exchange air duct includes a first heat exchange air duct 141 corresponding to the first indoor air outlet 111 and a second heat exchange air duct 142 corresponding to the second indoor air outlet 112, and one cross-flow fan 3 is disposed in each of the first heat exchange air duct 141 and the second heat exchange air duct 142.

Specifically, the heat exchange air duct is a double-through-flow air duct. The indoor air outlet and the heat exchange air duct are provided with two groups which are arranged in bilateral symmetry. That is, the indoor air outlet includes a first indoor air outlet 111 and a second indoor air outlet 112 arranged at left and right intervals, and the heat exchange air duct includes a first heat exchange air duct 141 and a second heat exchange air duct 142; the air outlet end of the first heat exchange air duct 141 is opposite to the first indoor air outlet 111, and the air outlet end of the second heat exchange air duct 142 is opposite to the second indoor air outlet 112; the cross-flow fan 3 is respectively arranged in the first heat exchange air duct 141 and the second heat exchange air duct 142, so that air can be discharged from two sides of the indoor unit of the air conditioner.

Indoor air enters the casing 1 from an indoor air inlet, exchanges heat with the indoor heat exchanger 2, and is divided into two paths, wherein one path of the indoor air flows to the first heat exchange air duct 141, and the other path of the indoor air flows to the second heat exchange air duct 142. The first heat exchange air duct 141 and the second heat exchange air duct 142 may be symmetrical with respect to a front-rear direction center plane of the indoor unit of the air conditioner.

In some embodiments of the present application, the first end portion 21 and the second end portion 22 are respectively located at a front side of the indoor evaporator, the first end portion 21 and the second end portion 22 are formed with an end plate 25 facing the front side, a coil hole 251 is provided on the end plate 25, and the heat exchange coil 23 is inserted into the coil hole 251.

In some embodiments of the present application, the indoor heat exchanger 2 further includes at least two connection plates 26, one connection plate 26 is connected between the first end portion 21 and the cabinet 1, and one connection plate 26 is connected between the second end portion 22 and the cabinet 1, so that the indoor heat exchanger 2 is fixed in the cabinet 1.

In some embodiments of the present application, the indoor unit of an air conditioner further includes a flow guiding portion 4, the flow guiding portion 4 is disposed on a front side of the cross flow fan 3, a first air outlet 41 and a second air outlet 42 are formed on the flow guiding portion 4, the first air outlet 41 is correspondingly disposed on a rear side of the first indoor air outlet 111, and the second air outlet 42 is correspondingly disposed on a rear side of the second indoor air outlet 112.

Specifically, the flow guide portion 4 extends in the up-down direction, and is provided on the front side of the cross flow fan 3. The guide part 4 comprises an upper bottom plate, a lower bottom plate and a guide plate body, the guide plate body is connected between the upper bottom plate and the lower bottom plate, and the guide plate comprises a curved plate facing the cross-flow fan 3 and a straight plate used for forming an air outlet. One side of the curved plate facing the cross flow fan 3 is a curved surface, so that the air flow passing through the cross flow fan 3 can flow to the air outlet through the guiding of the curved surface, the curved surface can reduce the resistance of the air flow in the heat exchange air duct, and the air flow flowing out from the air outlet can have a longer range. An air outlet is formed between the straight plates and matched with the position of the indoor air outlet, and air conditioning air flowing out of the air outlet blows into the room through the indoor air outlet so as to adjust the indoor temperature or humidity. The straight plate forms a narrow and long air outlet, so that the air outlet is more attractive, and the air supply is more concentrated.

In some embodiments, the air guiding portion 4 is formed with two air outlets, where the air outlets include a first air outlet 41 and a second air outlet 42, an included angle formed by the first air outlet 41 and the second air outlet 42 is the same as an included angle formed by the first indoor air outlet 111 and the second indoor air outlet 112, so that the first air outlet 41 is correspondingly disposed at a relative position of an inner side of the first indoor air outlet 111, the second air outlet 42 is correspondingly disposed at a relative position of an inner side of the second indoor air outlet 112, an airflow flowing out from the first air outlet 41 can be directly opposite to the first indoor air outlet 111, an airflow flowing out from the second air outlet 42 can be directly opposite to the second indoor air outlet 112, and loss of air volume in the flow process is reduced.

In some embodiments of the present application, the first air outlet 41 and the second air outlet 42 are provided with the grilles 7, so that the air-conditioning air flowing out from the first air outlet 41 and the second air outlet 42 is blown into the room after being scattered by the grilles 7, the air-conditioning air can be diffused more uniformly, and the user experience is enhanced.

In some embodiments of the present application, the indoor unit of the air conditioner further includes a plurality of filter screen assemblies 5, where the plurality of filter screen assemblies 5 are respectively disposed at the first indoor air inlet 121, the second indoor air inlet 122, and the third indoor air inlet 123.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

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

the air conditioner comprises a machine shell, a first air inlet, a second air inlet and a third air inlet, wherein the machine shell is provided with an indoor air outlet, and the first indoor air inlet, the second indoor air inlet and the third indoor air inlet are communicated with the indoor air outlet;

the first indoor air inlet is formed in the rear side of the shell, and the second indoor air inlet and the third indoor air inlet are respectively formed in two sides of the first indoor air inlet;

indoor heat exchanger, it locates in the casing, indoor heat exchanger is at least partly located just to the position of first indoor air intake, indoor heat exchanger includes:

a first end portion extending toward the second indoor air intake and to a rear side of the second indoor air intake;

and the second end part extends towards the third indoor air inlet and extends to the rear side of the third indoor air inlet.

2. The indoor unit of claim 1, wherein a first air intake gap is formed between the indoor heat exchanger and the first indoor air intake opening, and indoor air entering from the second indoor air intake opening and the third indoor air intake opening respectively flows through the first air intake gap to exchange heat with the indoor heat exchanger.

3. An indoor unit of an air conditioner according to claim 2, wherein the indoor heat exchanger includes:

a heat exchange coil in which a refrigerant flows;

the main part, it is equipped with and is used for holding heat exchange coil's installation space, the main part is equipped with ventilation gap, the air current in the first air inlet clearance can pass through ventilation gap gets into in the installation space with heat exchange coil carries out the heat exchange.

4. An indoor unit of an air conditioner as claimed in claim 1, wherein a heat exchange duct is formed in the casing, the heat exchange duct communicates with the indoor outlet, and the indoor outlet has a first indoor outlet and a second indoor outlet spaced left and right.

5. The indoor unit of claim 4, wherein the heat exchange air duct comprises a first heat exchange air duct corresponding to the first indoor air outlet and a second heat exchange air duct corresponding to the second indoor air outlet, and a cross-flow fan is disposed in each of the first heat exchange air duct and the second heat exchange air duct.

6. An indoor unit of an air conditioner according to claim 3, wherein the first end portion and the second end portion are respectively located at a front side of the indoor heat exchanger, an end plate facing the front side is formed at each of the first end portion and the second end portion, a coil hole is formed in each of the end plates, and the heat exchange coil is inserted into the coil hole.

7. An indoor unit of an air conditioner according to claim 6, wherein the indoor heat exchanger further includes at least two connection plates, one of the connection plates being connected between the first end portion and the cabinet, and one of the connection plates being connected between the second end portion and the cabinet.

8. An indoor unit of an air conditioner as claimed in claim 5, further comprising a flow guide unit disposed at a front side of the cross-flow fan, wherein the flow guide unit has a first outlet and a second outlet, the first outlet is disposed at a rear side of the first indoor outlet, and the second outlet is disposed at a rear side of the second indoor outlet.

9. An indoor unit of an air conditioner according to claim 8, wherein the first air outlet and the second air outlet are provided with grilles.

10. The indoor unit of claim 1, further comprising a plurality of filter screen assemblies, wherein the plurality of filter screen assemblies are respectively disposed at the first indoor air inlet, the second indoor air inlet, and the third indoor air inlet.

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