CN217653987U - Indoor unit of air conditioner - Google Patents

Abstract

The utility model provides an air-conditioning indoor unit, which comprises a casing and a fresh air module arranged in the casing, wherein a heat exchange air inlet and a mixed air outlet are limited on the casing, and the heat exchange air inlet is communicated with the mixed air outlet to form a first heat exchange air channel; the fresh air module comprises a fresh air volute and a fresh air cavity formed in the fresh air volute, a fresh air volute air outlet is formed in the fresh air volute, and the fresh air volute air outlet is communicated with the first heat exchange air channel; the fresh air cavity is internally provided with a volute partition plate which divides the fresh air cavity into a first fresh air cavity and a second fresh air cavity, and the first fresh air cavity and the second fresh air cavity are respectively internally provided with a fresh air fan. The new trend module adopts two new trend fans and corresponds and set up two new trend cavities, can increase the new trend amount of wind of introducing indoorly, and the new trend introduced by the new trend module mixes with the indoor air after the heat transfer in getting into first heat transfer wind channel from new trend spiral case air outlet, reduces the difference in temperature of new trend, improves the comfort level.

Description

Indoor unit of air conditioner

Technical Field

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

Background

Along with the improvement of the attention of people to air quality, more and more users begin to select air conditioners with fresh air functions in indoor air conditioning, and the fresh air functions can introduce outdoor air into a room to maintain the mobility of the indoor air.

However, the existing module for realizing the fresh air function of the air conditioner has small fresh air volume, the amount of fresh air introduced into a room is limited, and the effect of improving the indoor air quality cannot be effectively achieved.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent.

Therefore, the embodiment of the utility model provides an indoor unit of air conditioner, include:

the heat exchange air inlet and the air mixing air outlet are communicated to form a first heat exchange air duct;

the heat exchanger is arranged in the shell and used for exchanging heat with indoor air;

the first heat exchange fan is arranged in the first heat exchange air duct and used for blowing out the heat-exchanged air from the air mixing air outlet;

fresh air module, it sets up in the casing for introduce indoor with outdoor new trend, the fresh air module includes:

the fresh air volute is provided with a fresh air volute air outlet, and the fresh air volute air outlet is communicated with the first heat exchange air channel;

the fresh air cavity is formed in the fresh air volute;

the volute clapboard is arranged in the fresh air cavity and divides the fresh air cavity into a first fresh air cavity and a second fresh air cavity, and the first fresh air cavity and the second fresh air cavity are both communicated with the fresh air volute outlet;

and the two fresh air fans are respectively positioned in the first fresh air cavity and the second fresh air cavity.

The new trend module that this embodiment provided includes two new trend cavities that are separated by the spiral case baffle and is equipped with the new trend fan in two new trend cavities respectively, all blows off the new trend in two new trend cavities, can increase the new trend amount of wind that introduces indoorly, and the new trend introduced by the new trend module is mixed with the indoor air after the heat transfer in getting into first heat transfer wind channel from new trend spiral case air outlet, reduces the difference in temperature of new trend, improves the comfort level.

The utility model discloses an in some embodiments, mix the wind air outlet and locate the top of casing, changed the traditional mode that only goes out the air in the front, solved the air conditioner and directly blown user's problem.

The utility model discloses an in some embodiments, the machine still includes the air guide, and the wind-guiding wind channel is injectd to the inside of air guide, and the one end and the new trend spiral case air outlet intercommunication in wind-guiding wind channel, the other end and the first heat transfer wind channel intercommunication in wind-guiding wind channel, the new trend that is blown off by the new trend spiral case air outlet of new trend module guides to the new trend air outlet via the wind-guiding wind channel and blows in indoorly.

In some embodiments of the present invention, the indoor unit of the air conditioner further includes:

the head shaking component is rotatably arranged at the top of the machine shell, a head shaking air outlet is formed in the head shaking component facing a user, and the head shaking air outlet is communicated with the air mixing air outlet;

the oscillating driving device can drive the oscillating part to rotate in a reciprocating mode, cold air or hot air after heat exchange blown out from the oscillating air outlet can be supplied at a wide angle within a certain range, the air supply angle is adjustable, and the air supply mode is more flexible.

The utility model discloses an in some embodiments, the both sides of casing are equipped with the heat transfer air outlet respectively, and two heat transfer air outlets and heat transfer air intake intercommunication form second heat transfer wind channel, are provided with second heat transfer fan in the second heat transfer wind channel, and two heat transfer air outlets are located the radial both sides of second heat transfer fan respectively, can increase the indoor air volume of carrying out the heat transfer in introducing the casing, improve the refrigeration of machine in the air conditioning or the effect of heating to realize sending the branch in the not equidirectional.

The utility model discloses an in some embodiments, second heat transfer fan adopts backward centrifugal fan, and backward centrifugal fan's air-out mode is more nimble, and rotatory produced wind pressure is less, and air supply efficiency is high, is applicable to the regional air supply on a large scale.

The utility model discloses an in some embodiments, centrifugal fan is preceding to first heat transfer fan adopts, and first heat transfer fan's outside cover is equipped with the wind channel spiral case, wind channel spiral case and heat transfer air intake intercommunication, and the top of wind channel spiral case mixes the wind air outlet along first heat transfer fan's radial formation, inject first heat transfer wind channel in the wind channel spiral case, and it is great to preceding rotatory produced wind pressure of centrifugal fan, is applicable to at comparatively concentrated regional air supply.

The utility model discloses an in some embodiments, two new trend fans are including being located the first centrifugal fan of first new trend intracavity and being located the second centrifugal fan of second new trend intracavity respectively, and first centrifugal fan and the coaxial setting of second centrifugal fan and synchronous revolution, new trend module still includes the new trend motor, the new trend motor with first centrifugal fan or second centrifugal fan connects and drives first centrifugal fan with second centrifugal fan synchronous revolution adopts the duplex centrifugal fan can save the cost when increasing the new trend amount of wind.

In some embodiments of the utility model, the volute separator is provided with an opening part for communicating the first fresh air chamber and the second fresh air chamber, and the first centrifugal fan and the second centrifugal fan are arranged through coaxial butt joint of the opening part, so that the installation of the volute separator and the two-side duplex centrifugal fan is realized.

The utility model discloses an in some embodiments, first centrifugal fan and second centrifugal fan are preceding centrifugal fan, and preceding produced wind pressure of centrifugal fan rotation is great, is applicable to in comparatively concentrated regional air supply.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

fig. 1 is a perspective view of an air conditioner indoor unit according to an embodiment of the present invention;

fig. 2 is a front view of an air conditioning indoor unit according to an embodiment of the present invention;

fig. 3 is an exploded view of the indoor unit of the air conditioner shown in fig. 1;

fig. 4 is a perspective view of a fresh air module provided in the embodiment of the present invention;

fig. 5 is a front view of a fresh air module according to an embodiment of the present invention;

FIG. 6 isbase:Sub>A cross-sectional view of the fresh air module of FIG. 5 taken along the line A-A;

fig. 7 is a schematic structural view of the fresh air volute in the embodiment of the present invention;

fig. 8 is an exploded view of the fresh air volute and the fresh air fan according to the embodiment of the present invention;

fig. 9 is a schematic structural view of a duplex centrifugal fan according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a fresh air casing according to an embodiment of the present invention;

fig. 11 is a schematic view of an air conditioning indoor unit according to an embodiment of the present invention, with a casing removed;

fig. 12 is a plan view of the indoor unit of the air conditioner shown in fig. 11;

fig. 13 is a sectional view of the air conditioning indoor unit of fig. 12 taken along the direction B-B;

fig. 14 is a perspective view of an air conditioner indoor unit having an air deflector according to an embodiment of the present invention;

fig. 15 is a front view of an air conditioning indoor unit having an air deflector according to an embodiment of the present invention.

In the figure:

10. a housing; 101. a front panel; 102. an air intake panel; 11. a heat exchange air inlet; 12. an air outlet of the air conditioner; 121. a heat exchange air outlet; 122. a fresh air outlet; 123. a top air outlet; 20. a heat exchanger; 30. a heat exchange fan; 31. a first heat exchange fan; 311. an air duct volute; 32. a second heat exchange fan; 301. a first heat exchange air duct; 302. a second heat exchange air duct; 40. a fresh air module; 401. a fresh air inlet; 41. a fresh air casing; 411. a fresh air duct; 42. a fresh air volute; 421. a fresh air volute air outlet; 4211. a first fresh air volute outlet; 4212. a second fresh air volute air outlet; 422. a first fresh air volute air inlet; 423. a second fresh air volute air inlet; 43. a fresh air cavity; 431. a first fresh air chamber; 432. a second fresh air cavity; 44. a fresh air fan; 441. a first centrifugal fan; 442. a second centrifugal fan; 443. a fresh air motor; 45. a volute partition; 46. a fresh air duct; 461. a first lumen; 462. a second lumen; 463. a fresh air duct partition plate; 50. an air guide member; 60. a head shaking part; 601. an air outlet is shaken; 70. an air deflector.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some, not all embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It is obvious that the drawings in the following description are only examples or embodiments of the present application, and that it is also possible for a person skilled in the art to apply the present application to other similar contexts on the basis of these drawings without inventive effort.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of ordinary skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments without conflict.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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 simplification of the description, but 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.

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", "second", may explicitly or implicitly include one or more of that feature.

In the description of the present invention, it should 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 performs a refrigeration cycle of the air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies refrigerant to the air that has been conditioned and heat-exchanged.

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

The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state 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 includes an indoor air conditioner and an outdoor air conditioner, the outdoor air conditioner refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, the indoor air conditioner includes an indoor heat exchanger, and an expansion valve may be provided in the indoor or outdoor unit. The indoor unit of the air conditioner is connected to an outdoor unit installed in an outdoor space through a pipe. The outdoor unit may be provided with a compressor, an outdoor heat exchanger, an outdoor fan, an expander, and the like for a refrigeration cycle, and the indoor unit may be provided with an indoor heat exchanger and an indoor fan.

The indoor heat exchanger and the outdoor heat exchanger serve 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.

Fig. 1-3 are schematic structural views of an air conditioning indoor unit provided by the present application. Fig. 1 is an external perspective view of an indoor unit of an air conditioner provided in the present application; fig. 2 is a front view of an air conditioning indoor unit provided by the present application; fig. 3 is an exploded view of an air conditioning indoor unit provided by the present application to show an internal structure.

Referring to fig. 1 to 3, an indoor unit of an air conditioner according to some embodiments of the present disclosure includes a casing 10, a heat exchanging air inlet 11 and a heat exchanging air outlet 12 are formed in the casing 10, a heat exchanger 20 and a heat exchanging fan 30 are disposed inside the casing 10, the heat exchanger 20 is configured to exchange heat for air introduced from the heat exchanging air inlet 11, and the heat exchanging fan 30 introduces indoor air into the casing 10 or introduces low-temperature air after heat exchange by the heat exchanger 20 into a room.

As shown in fig. 1 to 3, the indoor unit of the air conditioner may be a cabinet type air conditioner, but the embodiment of the present application is not limited to this form. The casing 10 forms the external appearance of the air conditioning indoor unit, and in the present embodiment, the casing 10 has a substantially cylindrical shape.

The heat exchange fan 30 is located at the rear side of the heat exchanger 20 along the air flowing direction in the casing 10, and is configured to blow out air subjected to heat exchange by the heat exchanger 20, so that indoor air can flow from the heat exchange air inlet 11 to the heat exchange air outlet 12. The heat exchange fan 30 is not limited in form, and may be a centrifugal heat exchange fan, a cross-flow heat exchange fan, or an axial-flow heat exchange fan, etc., as needed.

The air-conditioning indoor unit provided by the embodiment of the application further comprises a fresh air module 40 arranged inside the casing 10, wherein the fresh air module 40 is used for introducing outdoor fresh air into a room to improve the quality of indoor air. According to fig. 3, in the present embodiment, the fresh air module 40 is disposed in the cabinet 10 and below the heat exchanger 20 and the heat exchange fan 30.

Fig. 4-6 are schematic views of a fresh air module 40 according to an embodiment of the present disclosure. Fig. 4 is a schematic perspective view of a fresh air module 40 according to an embodiment of the present application; FIG. 5 is a front view of a fresh air module 40 according to an embodiment of the present application; FIG. 6 isbase:Sub>A cross-sectional view taken along A-A of FIG. 5; fig. 7 is a schematic structural diagram of a fresh air volute provided in an embodiment of the present application.

As shown in fig. 4-7, the fresh air module 40 includes a fresh air volute 42 and a fresh air cavity 43 formed in the fresh air volute 42, a fresh air volute outlet 421 is formed on the fresh air volute 42, the fresh air cavity 43 is communicated with the fresh air volute outlet 421, a fresh air fan 44 is disposed in the fresh air cavity 43, and the fresh air fan 44 and the fresh air volute 42 are coaxially disposed.

As shown in fig. 6 and 7, in some embodiments of the present application, the fresh air module 40 further includes a volute partition plate 45, the volute partition plate 45 is disposed in the fresh air chamber 43 and divides the fresh air chamber 43 into a first fresh air chamber 431 and a second fresh air chamber 432, both the first fresh air chamber 431 and the second fresh air chamber 432 are communicated with the fresh air volute outlet 421, and the two fresh air fans 44 are respectively located in the first fresh air chamber 431 and the second fresh air chamber 432. The new trend module 40 of this embodiment includes two new trend cavities that are separated by spiral case baffle 45 and is equipped with new trend fan 44 in two new trend cavities respectively, all blows off the new trend in two new trend cavities, can increase the new trend amount of wind that introduces indoor, increases the mobility of room air, improves the room air quality.

As shown in fig. 7 and 8, the fresh air volute 42 is further formed with a first fresh air volute inlet 422 and a second fresh air volute inlet 423, the fresh air volute inlet 422 and the second fresh air volute inlet 423 are both communicated with the outside, the first fresh air chamber 431 is communicated with the first fresh air volute inlet 422, and the second fresh air chamber 432 is communicated with the second fresh air volute inlet 423.

In some embodiments, as shown in fig. 8 and 9, the two fresh air fans 44 are in the form of dual centrifugal fans, that is, two centrifugal fans are driven by one motor to rotate, the two centrifugal fans include a first centrifugal fan 441 located in the first fresh air chamber 431 and a second centrifugal fan 442 located in the second fresh air chamber 432, the first centrifugal fan 441 and the second centrifugal fan 442 are coaxially disposed and synchronously rotate, the fresh air module 40 further includes a fresh air motor 443, a fresh air motor 443 is disposed on the first centrifugal fan 441 or the second centrifugal fan 442, and the fresh air motor 443 is connected with the first centrifugal fan 441 or the second centrifugal fan 442 and drives the first centrifugal fan 441 and the second centrifugal fan 442 to synchronously rotate. The duplex centrifugal fan adopts a motor to drive the two centrifugal fans to synchronously rotate, wind enters from the axial directions of the centrifugal fans at the two sides respectively, and is blown out from the radial directions of the centrifugal fans at the two sides in the changing direction in the rotating process, and the cost can be saved while the fresh wind quantity is increased by adopting the duplex centrifugal fan.

As shown in fig. 8 and 9, the first centrifugal fan 441 and the second centrifugal fan 442 are both forward centrifugal fans. The forward centrifugal fan has the advantages of large quantity of blades, small blade area, large wind pressure generated by rotation, and air channel volute (the fresh air volute 42) suitable for supplying air in a concentrated area, for example, supplying air to the fresh air volute air outlet 421 at the top in the embodiment. In this embodiment, the structure of the forward centrifugal fan can be found in the prior art, and is not described in detail in this application.

In some embodiments, the volute partition 45 has an opening portion communicating the first fresh air chamber 431 and the second fresh air chamber 432, and the first centrifugal fan 441 and the second centrifugal fan 442 are coaxially and oppositely disposed through the opening portion.

As shown in fig. 7 and 8, the first fresh air volute air inlet 422 and the second fresh air volute air inlet 423 are respectively disposed on two opposite side surfaces of the fresh air volute 42 and are respectively located on one axial side of the first centrifugal fan 441 and the second centrifugal fan 442, the fresh air volute air outlet 421 is located on one radial side of the first centrifugal fan 441 and the second centrifugal fan 442, outdoor fresh air respectively enters the two fresh air chambers from the fresh air volute air inlets on the two sides along the axial direction, and the fresh air is changed into a radial direction and is discharged from the fresh air volute air outlet 421 through the actions of the first centrifugal fan 441 and the second centrifugal fan 442.

When the fresh air fan 44 is a centrifugal fan, fresh air needs to enter the fresh air fan 44 axially from the scroll inlets 422 formed on the two sides of the fresh air scroll 42, so that outdoor fresh air can be introduced into the fresh air module 40 from one side, and the structure of the air-conditioning indoor unit is simplified and is convenient to install, as shown in fig. 4 and 6, the fresh air module 10 further includes a fresh air housing 41 covering the fresh air scroll 42, the fresh air scroll outlet 421 of the fresh air scroll 42 extends out of the fresh air housing 41, fig. 10 is a schematic view of the fresh air housing 41, the fresh air housing 41 and the fresh air scroll 42 define a fresh air duct 411 therebetween, the fresh air housing 41 is formed with a fresh air inlet 401 communicated with the outdoor, and the fresh air inlet 401, the first fresh air scroll inlet 422 and the second fresh air scroll inlet 423 are all communicated with the fresh air duct 411.

Outdoor fresh air enters the fresh air casing 41 through the fresh air inlet 401, and under the guidance of the fresh air duct 411 between the fresh air casing 41 and the fresh air volute 42, the fresh air enters the fresh air fan 44 through the volute inlets 422 on both sides of the fresh air volute 42, and is blown out through the fresh air volute outlet 421 above under the action of fan centrifugal force. The arrangement of the fresh air casing 41 can also prevent indoor air from entering the fresh air module 40 to affect the air exchange efficiency. The air fresh air module 40 only blows outdoor fresh air into the room, improves the mobility of indoor air, and can effectively improve the indoor air quality.

The fresh air inlet 401 is located at one radial side of the first centrifugal fan 441 and the second centrifugal fan 442, outdoor fresh air enters the fresh air duct 411 from two sides along the radial direction through the fresh air inlet 401, and then enters the fresh air cavities at two sides along the axial direction under the guidance of the fresh air duct 411, so that axial air inlet of the centrifugal fan is realized.

In the embodiment shown in fig. 4 and 6, the fresh air module 40 further includes a fresh air pipe 46, one end of the fresh air pipe 46 is connected to the fresh air inlet 401, and the other end of the fresh air pipe 46 extends to the outside to introduce the fresh air from the outside into the fresh air module 40.

In some embodiments, as shown in fig. 6, a fresh air duct partition 461 is disposed inside the fresh air duct 46, and the fresh air duct partition 461 divides the lumen of the fresh air duct 46 into a first lumen and a second lumen, which respectively correspond to the first fresh air chamber 431 and the second fresh air chamber 432 for supplying air.

In some embodiments, the casing 10 is formed with a fresh air outlet 122 communicated with the scroll outlet 421, the fresh air outlet 122 includes a first fresh air outlet and a second fresh air outlet respectively disposed on two sides of the casing 10, as shown in fig. 4 and 7, the scroll partition 45 divides the fresh air scroll outlet 421 into a first fresh air scroll outlet 4211 corresponding to the first fresh air chamber 431 and a second fresh air scroll outlet 4212 corresponding to the second fresh air chamber 432, the first fresh air scroll outlet 4211 is communicated with the first fresh air outlet, the second fresh air scroll outlet 4212 is communicated with the second fresh air outlet, fresh air introduced into the first fresh air chamber 431 is blown out from the first fresh air outlet on one side of the air conditioning indoor unit through the first fresh air scroll outlet 4211, and fresh air introduced into the second fresh air chamber 432 is blown out from the second fresh air outlet on the other side of the air conditioning indoor unit through the second fresh air scroll outlet 4212, so as to realize that fresh air is respectively blown out on two sides of the air conditioning indoor unit, and increase air supply efficiency and air supply quantity.

Fig. 11 to 13 are schematic diagrams of an air conditioning indoor unit provided in the embodiment of the present application with a casing 10 removed. Wherein, fig. 11 is a front view; FIG. 12 is a top view; fig. 13 is a cross-sectional view taken along the line B-B in fig. 12.

In some embodiments, as shown in fig. 13 to fig. 15, a top air outlet 123 is disposed at the top of the casing 10, the heat exchanging air inlet 11 is communicated with the top air outlet 123 to form a first heat exchanging air duct 301, the heat exchanging fan 30 further includes a first heat exchanging fan 31, the first heat exchanging fan 31 is located in the first heat exchanging air duct 301, after the indoor air enters through the heat exchanging air inlet 11 and exchanges heat through the heat exchanger 20, the indoor air enters the first heat exchanging air duct 301 from the axial direction of the first heat exchanging fan 31, and becomes radial direction under the action of the first heat exchanging fan 31 and is blown out from the top air outlet 123 at the top of the casing 10. Through setting up top air outlet 123, can realize blowing out cold wind or hot-blast at the top of air conditioning indoor set, change the traditional mode that only goes out the air from the front, guarantee the refrigeration or the heating effect of indoor different positions, solve the air conditioner and directly blown user's problem, improved user's experience and felt.

Outdoor fresh air temperature that is introduced by fresh air module 40 is the same with outdoor temperature, and under the great condition of outdoor and indoor difference in temperature, generally winter or summer, outdoor fresh air temperature can influence user's body temperature, reduces customer's comfortable experience degree. Consequently, need mix the new trend that the new trend module was introduced with the indoor air by behind the heat exchanger 20 heat transfer, reduce the temperature difference, improve the comfort level. In some embodiments, the casing 10 is provided with an air mixing outlet, and the fresh air volute outlet 421 is communicated with the air mixing outlet.

In some embodiments, the top air outlet 123 may serve as an air mixing outlet, specifically, the fresh air volute air outlet 421 is communicated with the first heat exchange air duct 301, fresh air introduced by the fresh air module 40 enters the first heat exchange air duct 301 from the fresh air volute air outlet 421, the fresh air is mixed with the heat exchanged indoor air, so that the temperature difference between the fresh air and the heat exchange air is reduced, the mixed air is blown into the room through the top air outlet 123 at the top of the casing 10, and the fresh air is prevented from being directly blown to the user without heat exchange.

In some embodiments, as shown in fig. 3 and 13, a wind guide 50 is further disposed in the casing 10 of the indoor unit of the air conditioner, the wind guide 50 is hollow and defines a wind guide duct, one end of the wind guide duct is communicated with the fresh air volute outlet 421, and the other end of the wind guide duct is communicated with the first heat exchange duct 301. According to the embodiment shown in fig. 3 and 13, the air guide 50 extends upward from the fresh air volute air outlet 421, and is communicated with the first heat exchange air duct 301 between the first heat exchange fan 31 and the top air outlet 123, and the first heat exchange air duct 301 is in butt joint with the air guide 50 at the side opening and is communicated with the air guide air duct. That is to say, the position that the wind guide channel communicates with first heat exchange channel 301 is located between first heat exchange fan 31 and top air outlet 123, before wind guide 50 communicates with first heat exchange channel 301, heat exchange air flows in independent wind channel respectively with the new trend, the back is accomplished in the heat transfer of first heat exchange fan 31 to the room air, flow upwards under the effect of first heat exchange fan 31 and mix with the new trend that is blown out by the wind guide channel, do not influence the heat exchange efficiency of room air, can reduce the difference in temperature of new trend simultaneously.

In some embodiments, as shown in fig. 1-3, the indoor unit of the air conditioner further includes a head shaking component 60 rotatably disposed at the top of the casing 10, and a head shaking driving device for driving the head shaking component 60 to rotate, the head shaking component 60 is opened with a head shaking outlet 601 facing the user, and the head shaking outlet 601 is communicated with the top outlet 123 to introduce the mixed air blown from the top of the casing 10 into the head shaking outlet 601 for blowing. The part 60 of shaking the head is under drive arrangement's the drive of shaking the head, for the top reciprocating rotation in the certain extent of casing 10, and the wind that blows off by the part 60 of shaking the head air outlet 601 is for the air after the heat transfer that contains the new trend, can carry out the wide angle air supply with the new trend after the heat transfer in the certain extent, can realize the wide angle and send new trend into the room by different angles sooner, accelerates the circulation of room air. The visual degree of the air supply mode of shaking the head is high, and the air supply scope is big, and the air supply angle is adjustable, and the air supply mode is more nimble, and the part 60 of shaking the head is at the top air supply of casing 10, can not the blow-through user, improves user experience and feels.

As shown in fig. 1-3, the casing 10 includes a front panel 101 and an air intake panel 102, the air intake panel 102 is connected to the rear end of the front panel 101, the heat exchanging air inlet 11 is disposed on the air intake panel 102, and both sides of the front panel 101 are both provided with heat exchanging air outlets 12.

As shown in fig. 11 to 13, the heat exchange air inlet 11 and the heat exchange air outlets 121 on two sides are communicated to form a second heat exchange air duct 302, the heat exchange fan 30 includes a second heat exchange fan 32, the second heat exchange fan 32 is located in the second heat exchange air duct 302, the two heat exchange air outlets 12 are respectively located on two radial sides of the second heat exchange fan 32, after heat exchange is performed by the heat exchanger 20 through the heat exchange air inlet 11, the indoor air enters the second heat exchange air duct 302 from the axial direction of the second heat exchange fan 32 and leaves along the radial direction of the second heat exchange fan 32, and is blown out from the heat exchange air outlets 12 on two sides through the second heat exchange air duct 302.

Through the arrangement of the first heat exchange air duct 301 and the second heat exchange air duct 302, indoor air introduced into the enclosure 10 for heat exchange can be increased, so that the heat exchange amount is increased, and a better heating or cooling function is realized. The cold air or the hot air after heat exchange by the heat exchanger 20 is blown out from the heat exchange air outlets on two sides of the indoor unit of the air conditioner, so that direct blowing of users is avoided, and the user experience is improved.

In some embodiments, second heat transfer fan 32 adopts backward centrifugal fan, need not set up the spiral case when backward centrifugal fan air-out, and the air-out mode is more nimble, and the blade is small in quantity, and the blade area is great, and the rotatory produced wind pressure of backward centrifugal fan is less, and air supply efficiency is high, is applicable to regional air supply on a large scale, can be arranged in this embodiment to realize the 12 air-outs of heat transfer air outlet of both sides simultaneously.

In some embodiments, the first heat exchanger fan 31 is a forward centrifugal fan, an outer cover of the first heat exchanger fan 31 is provided with an air duct volute 311, the air duct volute 311 is communicated with the heat exchanger air inlet 11, a top portion of the air duct volute 311 forms a top air outlet 123 along a radial direction of the first heat exchanger fan 31, and a first heat exchanger air duct 301 is defined in the air duct volute 311. Through the guide of wind channel spiral case 311, the wind that radially blows off first heat exchange fan 31 is injectd to blow off by the top of casing 10, and it is many to the blade quantity of centrifugal fan, and the blade area is less, and it is great to rotatory produced wind pressure of centrifugal fan, is applicable to in the regional air supply of comparatively concentrating, concentrates to the air supply of top air outlet 123 in this embodiment for example.

In some embodiments, as shown in fig. 14 and 15, the air conditioning indoor unit further includes an air deflector 70, the air deflector 70 is rotatably disposed on the casing 10 and can vertically block the heat exchange air outlet 121 and the fresh air outlet 122 to open or close the heat exchange air outlet 121 and the fresh air outlet 122, and the air deflector 70 plays a role of guiding air and makes the air conditioning indoor unit have an attractive appearance.

Finally, it should be noted that: the embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims (10)

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

the heat exchange air inlet and the air mixing air outlet are communicated to form a first heat exchange air duct;

the heat exchanger is arranged in the shell and used for exchanging heat with indoor air;

the first heat exchange fan is arranged in the first heat exchange air duct and used for blowing out the air subjected to heat exchange from the air mixing outlet;

fresh air module, it set up in the casing for it is indoor to introduce outdoor new trend, the fresh air module includes:

the fresh air volute is provided with a fresh air volute air outlet, and the fresh air volute air outlet is communicated with the first heat exchange air duct;

the fresh air cavity is formed in the fresh air volute;

the volute partition plate is arranged in the fresh air cavity and divides the fresh air cavity into a first fresh air cavity and a second fresh air cavity, and the first fresh air cavity and the second fresh air cavity are both communicated with the fresh air volute air outlet;

the fresh air fans are provided with two fresh air fans which are respectively positioned in the first fresh air cavity and the second fresh air cavity.

2. An indoor unit of an air conditioner according to claim 1, wherein the air mixing outlet is provided at a top of the casing.

3. The indoor unit of an air conditioner as claimed in claim 1, further comprising a wind guide member, wherein a wind guide duct is defined inside the wind guide member, one end of the wind guide duct is communicated with the fresh air volute outlet, and the other end of the wind guide duct is communicated with the first heat exchange duct.

4. An indoor unit of an air conditioner according to claim 2, further comprising:

the head shaking component is rotatably arranged at the top of the shell, a head shaking air outlet is formed in the head shaking component facing a user, and the head shaking air outlet is communicated with the air mixing air outlet;

and the head shaking driving device can drive the head shaking component to rotate in a reciprocating manner.

5. An indoor unit of an air conditioner as claimed in claim 1, wherein heat exchange air outlets are respectively disposed at two sides of the casing, the two heat exchange air outlets and the heat exchange air inlet are communicated to form a second heat exchange air duct, a second heat exchange fan is disposed in the second heat exchange air duct, and the two heat exchange air outlets are respectively disposed at two radial sides of the second heat exchange fan.

6. An indoor unit of an air conditioner according to claim 5, wherein the second heat exchange fan is a backward centrifugal fan.

7. An indoor unit of an air conditioner as claimed in claim 2, wherein the first heat exchange fan is a forward centrifugal fan, an air duct volute is covered outside the first heat exchange fan, the air duct volute is communicated with the heat exchange air inlet, the top of the air duct volute forms the air mixing outlet along a radial direction of the first heat exchange fan, and the first heat exchange air duct is defined in the air duct volute.

8. The indoor unit of an air conditioner as claimed in claim 1, wherein the two fresh air fans include a first centrifugal fan and a second centrifugal fan, the first centrifugal fan and the second centrifugal fan are respectively located in the first fresh air chamber and the second fresh air chamber, the first centrifugal fan and the second centrifugal fan are coaxially arranged and synchronously rotate, the fresh air module further includes a fresh air motor, and the fresh air motor is connected to the first centrifugal fan or the second centrifugal fan and drives the first centrifugal fan and the second centrifugal fan to synchronously rotate.

9. An indoor unit of an air conditioner according to claim 8, wherein an opening portion for communicating the first fresh air chamber and the second fresh air chamber is formed in the scroll casing partition plate, and the first centrifugal fan and the second centrifugal fan are coaxially and butt-jointed through the opening portion.

10. An indoor unit of an air conditioner according to claim 8, wherein the first centrifugal fan and the second centrifugal fan are both forward-direction centrifugal fans.

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