CN218936480U

CN218936480U - Indoor unit of air conditioner

Info

Publication number: CN218936480U
Application number: CN202320159670.2U
Authority: CN
Inventors: 徐佳
Original assignee: Hisense Air Conditioning Co Ltd
Current assignee: Hisense Air Conditioning Co Ltd
Priority date: 2023-01-31
Filing date: 2023-01-31
Publication date: 2023-04-28
Anticipated expiration: 2033-01-31

Abstract

The utility model provides an air conditioner indoor unit, comprising: the shell is provided with a heat exchange air outlet, a heat exchange air duct and a first air duct are arranged in the shell, and a vent for communicating the heat exchange air duct with the first air duct is arranged on the shell; an air deflector; a damper; the casing includes: the front panel is arranged on the side part of the shell, and the inner side of the front panel is provided with a first air channel; the air door includes: a spin column; the door body is connected with the rotary column, and a third connecting piece is arranged at one end of the door body far away from the rotary column; the inner wall surface of the air deflector is provided with a first connecting piece, and one side of the vent, which is far away from the front panel, is provided with a second connecting piece; the air door is provided with a first position and a second position, when the air door is in the first position, the air door closes the ventilation opening, the third connecting piece is connected with the second connecting piece, and when the air door is in the second position, the air deflector closes the heat exchange air outlet, the air door opens the ventilation opening, and the third connecting piece is connected with the first connecting piece; noise is avoided, resistance of the heat exchange air duct wind entering the first air duct is increased, and gaps are formed between the air door and the ventilation opening.

Description

Indoor unit of air conditioner

Technical Field

The utility model relates to the technical field of air conditioners, in particular to an air conditioner indoor unit.

Background

The air conditioner indoor unit comprises a shell, wherein a heat exchange air outlet is formed in the shell, a heat exchange air channel and a first air channel arranged in the front side of the shell are arranged in the shell, the first air channel is communicated with the heat exchange air channel through the air inlet, a first air outlet arranged above the heat exchange air outlet is further formed in the shell, and the first air outlet is communicated with the first air channel. At present, the wind gap department usually sets up the air door, makes two wind channels intercommunication or isolation through driving piece drive air door motion, and under the general circumstances, there is not connecting piece to be connected between air door and the wind gap department for the air door is difficult to keep closing or biggest open state when wind in the wind channel blows, under the unstable circumstances of gravity and driving piece, makes the air door produce noise or the air door close the wind gap and is not tight or open the wind gap less increase resistance, influences the normal air-out of first air outlet and heat transfer air outlet, and user experience is relatively poor. The side wall of the junction of the heat exchange air duct and the first air duct is a sharp angle, and although the air in the heat exchange air duct flows to the first air duct, relatively more air is guided to the heat exchange air outlet due to the resistance of the sharp angle, so that the air quantity of the heat exchange air duct entering the first air duct is smaller, when the heat exchange air outlet is opened, a large amount of cold air is discharged at the heat exchange air outlet during refrigeration and heating, and the user experience is poor because of direct blowing of the cold air at the heat exchange air outlet; when the heat exchange air outlet is closed, the resistance of the air entering the first air channel from the heat exchange air channel is larger, so that the requirement on the indoor fan is higher, and the cost is increased.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

To this end, according to an embodiment of the present disclosure, there is provided an air conditioner indoor unit including:

the shell is provided with a heat exchange air outlet, a heat exchange air channel communicated with the heat exchange air outlet is arranged in the shell, a first air channel communicated with the heat exchange air channel is arranged in the shell, and a ventilation opening for communicating the heat exchange air channel with the first air channel is arranged on the shell;

the air deflector is connected with the heat exchange air outlet to open or close the heat exchange air outlet;

a damper rotatably connected to the vent to open or close the vent;

the casing includes:

the front panel is arranged on the side part of the shell, a first air outlet positioned above the heat exchange air outlet is arranged on the front panel, and the inner side of the front panel is provided with a first air duct communicated with the first air outlet;

the damper includes:

the rotating column is arranged at one side of the ventilation opening, which is close to the front panel;

the door body is connected with the rotating column, and a third connecting piece is arranged at one end, far away from the rotating column, of the door body;

the air deflector is characterized in that a first connecting piece is arranged on the inner wall surface of the air deflector, and a second connecting piece is arranged on one side, away from the front panel, of the air vent;

the air door is provided with a first position and a second position, when the air door is positioned at the first position, the air door closes the ventilation opening and the third connecting piece is connected with the second connecting piece, when the air door is positioned at the second position, the air deflector closes the heat exchange air outlet, and the air door opens the ventilation opening and the third connecting piece is connected with the first connecting piece.

Set up first connecting piece, second connecting piece and third connecting piece for the third connecting piece is connected with the second connecting piece when the vent is closed to the air door, can avoid the air door to receive wind in the wind channel and gravity's influence, avoids producing the gap between noise and air door and the vent, guarantees the stability that the vent was closed to the air door, and makes the air door stable open the vent when the heat transfer air outlet is closed to the aviation baffle, avoids the resistance in the air door increase heat transfer wind channel wind entering first wind channel, improves the stability of air door, makes first air outlet or heat transfer air outlet stabilize the wind, improves user experience.

According to the embodiment of the disclosure, the first connecting piece and the second connecting piece are iron sheets, and the third connecting piece is a magnet, so that the implementation is convenient, and the cost is saved.

According to the embodiment of the disclosure, the sponge is arranged on one side, close to the first air duct, of the air door, so that condensation can be reduced.

According to the embodiment of the disclosure, the heat exchange air duct is provided with a heat exchange air duct side wall, and an indoor fan is arranged in the heat exchange air duct; the housing further comprises:

the side wall of the heat exchange air duct comprises a front volute tongue, and the front volute tongue is arranged on one side, close to the front panel, of the indoor fan; the front volute tongue is provided with the second connecting piece, so that the second connecting piece is convenient to set.

According to the embodiment of the disclosure, the front volute tongue comprises a first front volute tongue positioned on one side of the front volute tongue close to the heat exchange air outlet and a second front volute tongue connected with one end of the first front volute tongue away from the heat exchange air outlet, wherein the second front volute tongue is positioned above the first front volute tongue and is arranged at an included angle with the first front volute tongue, and the second connecting piece is arranged on the first front volute tongue to facilitate the arrangement of the second connecting piece.

According to the embodiment of the disclosure, the second connecting piece is arranged at the end part of the first front volute tongue, which is close to the heat exchange air outlet, so that the second connecting piece is convenient to arrange.

According to an embodiment of the present disclosure, the casing includes:

the inner wall of the first air duct is arranged at one side of the first air duct far away from the front panel;

the guide plate is arranged at the joint of the heat exchange air duct and the first air duct and is positioned at one side of the joint far away from the front panel, and one end of the guide plate is connected with the inner wall of the first air duct and is positioned at the inner side of the first air duct; the other end of the first front volute tongue is connected with the first front volute tongue.

According to the embodiment of the disclosure, the end of the first front volute tongue, which is close to the heat exchange air outlet, is provided with a connecting surface positioned below the flow guide plate, and the second connecting piece is arranged on the connecting surface.

According to the embodiment of the disclosure, the guide plate is located above the first front volute tongue, the first front volute tongue is provided with a volute tongue front end face located near one end of the heat exchange air outlet, when the air door closes the ventilation opening, one end of the door body, which is far away from the rotating column, is connected with the volute tongue front end face through the third connecting piece and the second connecting piece, and the bottom of the door body, which is far away from one end of the rotating column, is located above the bottom of the volute tongue front end face or is flush with the bottom of the volute tongue front end face, so that the flow resistance to air in the heat exchange air duct is avoided when the bottom of the door body is lower than the volute tongue front end face.

According to the embodiment of the disclosure, the front panel includes first panel section, connects the second panel section of first panel section bottom and connects the third panel section of second panel section bottom, first panel section with the second panel section is the contained angle setting and contained angle opening orientation the inboard of front panel, the third panel section with the second panel section is the contained angle setting and contained angle opening orientation the inboard of front panel, first air outlet is located on the second panel section, the column spinner with the third panel section is kept away from the one end rotation of second panel section is connected.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a structure of a conventional air conditioner;

fig. 2 is a cross-sectional structural view of an indoor unit of an air conditioner according to an embodiment of the present application;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a sectional view structural diagram of another state of an air conditioner indoor unit according to an embodiment of the present application;

FIG. 5 is a partial enlarged view at B in FIG. 4;

FIG. 6 is an enlarged view of a portion of FIG. 5 at C;

fig. 7 is a partial sectional view structural diagram of an indoor unit of an air conditioner according to an embodiment of the present application;

fig. 8 is another sectional view structural diagram of an air conditioner indoor unit according to an embodiment of the present application;

FIG. 9 is an enlarged partial view at E in FIG. 8;

FIG. 10 is a flow path diagram of the first outlet air outlet according to an embodiment of the present application;

fig. 11 is a top view structural diagram of an indoor unit of an air conditioner according to an embodiment of the present application;

FIG. 12 is an enlarged view of a portion of FIG. 11 at F;

fig. 13 is another top view structural diagram of an air conditioning indoor unit according to an embodiment of the present application;

fig. 14 is another top view structural diagram of an air conditioning indoor unit according to an embodiment of the present application;

FIG. 15 is a flow path diagram of side outlet air outlet according to an embodiment of the present application;

fig. 16 is another sectional view structural diagram of an air conditioner indoor unit according to an embodiment of the present application;

fig. 17 is another partial sectional structure view of an indoor unit of an air conditioner according to an embodiment of the present application;

fig. 18 is a partial structural cross-sectional view of a fresh air module according to an embodiment of the present application.

In the above figures:

an air conditioner 100; an air conditioning indoor unit 10; an air conditioner outdoor unit 20; a housing 1; a heat exchange air inlet 11; a heat exchange air outlet 12; a heat exchange air duct 13; a heat exchange air duct side wall 131; front volute tongue 1311; a joint surface 13111; a first front volute tongue 13112; a second front volute tongue 13113; volute tongue front face 13114; a rear volute 1312; a front panel 14; a first air outlet 141; a first outlet grille 142; a first outlet style grill 1421; a first grill air channel 1422; a first arcuate surface 14211; a second arcuate surface 14212; a first panel section 143; a second panel segment 144; a third panel section 145; arc surface 1451; an air intake panel 15; a first air duct 16; a first air duct inner wall 161; fresh air outlet 1611; a deflector 17; a vent 18; side end plates 19; side air outlets 191; side out grille 192; side out style grills 1921; first side 19211; a second side 19212; side grill air channels 1922; an indoor fan 31; an indoor heat exchanger 32; an air deflector 33; a damper 34; a spin column 341; cylindrical surface 3411; a door 342; a damper first end 343; fresh air case 41; fresh air frame 4101; fresh air volute 4102; fresh air fan cavity 411; fresh air inlet 412; fresh air inlet cavity 413; a frame tuyere 414; a fresh air fan 42; an air inlet connection pipe 43; a filter module 44; a first connection location 51; a second connection location 52; a third connection location 53; a water pan 54; a drip tray floor 542; a support rib plate 543; an indoor ceiling wall 61; indoor side walls 62.

Detailed Description

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

The present application proposes an air conditioning indoor unit 10, and the air conditioning indoor unit is described below with reference to fig. 1 to 18. Referring to fig. 1, an air conditioner indoor unit 10 is a part of an air conditioner 100, and the air conditioner 100 further includes an air conditioner outdoor unit 20.

Referring to fig. 2, the air conditioning indoor unit 10 includes a cabinet 1, an indoor fan 31, and an indoor heat exchanger 32. The shell 1 is provided with a heat exchange air inlet 11 and a heat exchange air outlet 12, the shell 1 is internally provided with a heat exchange air duct 13, and the heat exchange air duct 13 is communicated with the heat exchange air inlet 11 and the heat exchange air outlet 12.

The indoor heat exchanger 32 is arranged in the shell 1 and positioned in the heat exchange air duct 13, the indoor heat exchanger 32 is arranged at the heat exchange air inlet and positioned at the inner side of the heat exchange air inlet, and the indoor heat exchanger is used for exchanging heat with air entering the heat exchange air duct.

The indoor fan 31 is arranged in the shell 1 and is positioned in the heat exchange air duct 13, the indoor fan 31 is used for providing power for the flow of air, under the driving of the indoor fan 31, the indoor air enters into the heat exchange air duct 13 through the heat exchange air inlet 11, the air entering into the heat exchange air duct 31 exchanges heat with the indoor heat exchanger at the indoor heat exchanger, and the air after heat exchange flows out of the heat exchange air duct through the heat exchange air outlet.

The outdoor unit includes an outdoor casing, an outdoor fan, and an outdoor heat exchanger.

An outdoor air inlet and an outdoor air outlet are arranged on the outdoor machine shell, an outdoor air channel is arranged in the outdoor machine shell, and the outdoor air channel is communicated with the outdoor air inlet and the outdoor air outlet.

The outdoor heat exchanger is arranged in the outdoor machine shell and positioned in the outdoor air duct, is positioned at the outdoor air inlet and positioned at the inner side of the outdoor air inlet, and is used for exchanging heat with air entering the outdoor air duct.

The outdoor fan is arranged in the outdoor machine shell and is positioned in the outdoor air channel, the outdoor fan is used for providing power for the flowing of air, under the driving of the outdoor fan, the outdoor air enters the outdoor air channel through the outdoor air inlet, the air entering the outdoor air channel exchanges heat with the outdoor heat exchanger at the outdoor heat exchanger, and the air after heat exchange flows out of the outdoor air channel through the outdoor air outlet.

The air conditioner further includes a compressor provided in the outdoor unit casing, the compressor compressing refrigerant gas in a low temperature and low pressure state to discharge refrigerant gas in a high temperature and high pressure state, and an expansion valve expanding liquid-phase refrigerant in a high temperature and high pressure state condensed in the condenser into low pressure liquid-phase refrigerant.

In both the indoor heat exchanger and the outdoor heat exchanger, one of them is a condenser and the other is an evaporator, the condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process, and the evaporator can achieve a refrigerating effect by heat exchange with a material to be cooled by utilizing latent heat of evaporation of the refrigerant.

The air conditioner has a refrigerant circuit that circulates a refrigerant by annularly connecting a compressor, a condenser, an expansion valve, and an evaporator in this order. The air conditioner comprises a refrigeration mode and a heating mode, wherein in the refrigeration mode, the indoor heat exchanger is an evaporator, the outdoor heat exchanger is a condenser, and the refrigerant circulates through the compressor, the outdoor heat exchanger, the expansion valve and the indoor heat exchanger in sequence; in the heating mode, the indoor heat exchanger is a condenser and the outdoor heat exchanger is an evaporator; the refrigerant circulates through the compressor, the indoor heat exchanger, the expansion valve, and the outdoor heat exchanger in this order.

Referring to fig. 2, an air inlet panel 15 is provided at the top of the casing 1, wherein the heat exchange air inlet 11 is provided on the air inlet panel 15. An air inlet grille can be arranged at the heat exchange air inlet, and an air inlet filter screen can be arranged at the inner side of the air inlet grille.

Referring to fig. 2, the cabinet 1 includes a front panel 14, wherein the front panel 11 is disposed at a side portion of the cabinet 1, and the heat exchange air outlet 12 is disposed below the front panel 14.

Referring to fig. 2 to 7, the front panel 14 is provided with a first air outlet 141; the first air outlet 141 is disposed above the heat exchange air outlet.

The casing 1 further includes two side end plates 19, and the two side end plates 19 are disposed at two opposite side ends of the casing 1 and are disposed at two sides of the front panel.

The casing 1 is internally provided with a first air duct 16, wherein the first air duct 16 is communicated with the heat exchange air duct, the first air duct 16 is positioned on the inner side of the front panel, and the first air duct 16 is communicated with the first air outlet.

Indoor air enters the heat exchange air channel through the heat exchange air inlet, the indoor air can enter the first air channel from the heat exchange air channel, and the air entering the first air channel flows out from the first air outlet.

The casing 1 further comprises an air deflector 33, and the air deflector 33 is rotatably connected to the heat exchange air outlet to open or close the heat exchange air outlet.

When the air deflector 33 closes the heat exchange air outlet, air in the heat exchange air duct enters the first air duct and then flows out of the first air outlet.

The casing 1 further includes a first air channel inner wall 161, wherein the first air channel inner wall 161 is disposed on a side of the first air channel away from the front panel.

The heat exchange tunnel 13 has heat exchange tunnel side walls 131.

Referring to fig. 2-7, the casing 1 further includes a front volute tongue 1311, and the heat exchange air duct side wall 131 includes a front volute tongue 1311, that is, the front volute tongue is a component of the heat exchange air duct side wall, where the front volute tongue 1311 is disposed on a side of the indoor fan close to the front panel.

The heat exchange air duct side wall 131 further comprises a rear volute tongue 1312, wherein the rear volute tongue is arranged on the opposite side of the front volute tongue, the front volute tongue and the rear volute tongue form a fan space between the front volute tongue and the rear volute tongue, and the indoor fan is arranged in the fan space.

The casing 1 further comprises a guide plate 17, wherein the guide plate 17 is arranged at the joint of the heat exchange air duct and the first air duct and is positioned at one side of the joint of the heat exchange air duct and the first air duct away from the front panel.

One end of the guide plate 17 is connected with the inner wall of the first air channel and is positioned at the inner side of the first air channel; the other end of the deflector 17 is connected with the front volute tongue.

The side surface of the guide plate 17, which is close to the front panel, is an arc surface, the arc profile of the arc surface extends from one end of the arc profile, which is connected with the inner wall of the first air duct, to one end of the arc profile, which is connected with the front volute tongue, and the radius of the arc profile is any value of 50-80 mm.

The side surface, close to the front panel, of the first air channel and the guide plate is an arc surface, the resistance of the joint of the heat exchange air channel and the first air channel can be reduced by utilizing the guide effect of the guide plate, the air quantity of air in the heat exchange air channel entering the first air channel is improved, the radius of the arc profile is set to be any value of 50-80mm, and the guide effect of the guide plate is increased while other structures of the air conditioner indoor unit are not influenced.

Referring to fig. 2 to 7, the casing 1 is provided with a vent 18 for communicating the heat exchange air duct 13 with the first air duct 16. Wherein the vent 18 is elongated.

The indoor unit 10 further includes a damper 34, where the damper 34 is connected to the air vent 18 to open or close the air vent, and is configured to open or close the air vent, so that whether the first air outlet is air-out can be selected, multiple choices can be provided for a user, and user experience is improved.

Wherein a damper is rotatably connected at the vent 18 to open or close the vent, wherein the damper is rotatably connected with the cabinet 1.

When the ventilation opening is closed by the air door and the heat exchange air outlet is opened by the air deflector, and when the ventilation opening is opened by the air door, the first air outlet is opened, and the air can be prevented from directly blowing the human body during refrigeration by setting the form and/or the air outlet direction of the first air outlet, and cold air can be prevented at the initial stage of heating.

Simulation shows that when the air deflector closes the heat exchange air outlet and the air door opens the ventilation opening, compared with the sharp corner arrangement at the joint of the traditional heat exchange air duct and the first air duct, the air speed entering the first air duct can be improved by about 60% by arranging the air deflector with the radius of the arc profile of any value of 50-80 mm.

The air door comprises a rotary column 341 and a door body 342, wherein the rotary column 341 is rotationally connected with the machine shell, the rotary column is arranged on one side, close to the front panel, of the ventilation opening, and the door body is connected with the rotary column and rotates along with the rotary column.

The air conditioner indoor unit further comprises an air door motor (not shown), wherein the air door motor is connected with one end of the rotary column, and the air door motor works to drive the rotary column to rotate so as to drive the door body to rotate, so that the air door opens or closes the ventilation opening.

Referring to fig. 2-7, the front panel 14 includes a first panel segment 143 and a second panel segment 144, wherein the second panel segment is connected to the bottom of the first panel segment, the first panel segment is disposed at an angle to the second panel segment, and the angle is open toward the inside of the front panel.

The first air outlet is arranged on the second panel section, so that the front panel is attractive in appearance, and the air outlet direction of the first air outlet is easy to set. Specifically, the second panel section may be disposed obliquely, so that the first air outlet may be disposed toward the top of the casing, horizontally disposed, or disposed toward the bottom of the casing; the first panel section 143 may be located in the middle of the front panel or at the bottom of the front panel.

The front panel 14 further includes a third panel segment 145, wherein the third panel segment 145 is connected to an end of the second panel segment remote from the first panel segment, wherein the end of the second panel segment remote from the first panel segment is a bottom end of the second panel segment. The third panel section and the second panel section are arranged at an included angle, and the included angle opening faces the inner side of the front panel.

The air door is rotationally connected to one end, far away from the second panel section, of the third panel section. Specifically, the column spinner rotates the one end of connecting keeping away from the second panel section at the third panel section, sets up air door swivelling joint in vent department and air door including column spinner and door body, simple structure, the setting of being convenient for.

The lateral wall of column spinner is cylinder 3411, and the side face that second panel section one end was kept away from to the third panel section is arc surface 1451, and the lateral wall of column spinner offsets with the side face that second panel section one end was kept away from to the third panel section for the column spinner is rotatory in-process, and the lateral wall of column spinner offsets with the side face that second panel section one end was kept away from to the third panel section all the time, can avoid producing the clearance between column spinner and the third panel section, avoids the air to flow from this in between heat transfer wind channel and the first wind channel, avoids the clearance that here produced to reduce the air output of heat transfer air outlet or first air outlet.

The end face radius of the cylindrical surface of the rotary column can be equal to the arc radius of the arc surface at the end part of the third panel section, the contact area between the cylindrical surface and the arc surface can be increased, and the sealing effect of the cylindrical surface and the arc surface can be better improved.

The end of the third panel section far away from the second panel section is a side wall of the ventilation opening, which is close to one side of the front panel.

Referring to fig. 2-7, the end of the front volute tongue 1311 near the heat exchange air outlet is provided with a connecting surface 13111 below the flow guide plate, when the air door closes the air vent, the air door is connected with the connecting surface, specifically, one end of the door body far away from the rotating column is connected with the connecting surface, so that the air door is conveniently connected with the front volute tongue to close the air vent. The connecting surface is a side wall surface of the ventilation opening far away from the side wall of the front panel.

The front volute tongue comprises a first front volute tongue 13112 positioned on one side of the front volute tongue close to the heat exchange air outlet and a second front volute tongue 13113 connected with one end, far away from the heat exchange air outlet, of the first front volute tongue, the second front volute tongue is positioned above the first front volute tongue and is arranged at an included angle with the first front volute tongue, and the guide plate is connected with the first front volute tongue. Specifically, the end of the connecting surface, which is arranged at the first front volute tongue and is close to the heat exchange air outlet, is provided with a part below the guide plate.

The guide plate is located above the first front volute tongue, the first front volute tongue is provided with a volute tongue front end face located at one end of the first front volute tongue close to the heat exchange air outlet, the air door is provided with an air door first end 343, the air door first end is one end of the air door first end far away from the front panel, when the air door closes the ventilation opening, the air door first end is connected with the volute tongue front end face 13114, the bottom of the air door first end is located above the bottom of the volute tongue front end face or is flush with the bottom of the volute tongue front end face, and the air resistance to air in the heat exchange air flue is avoided when the bottom of the air door first end is lower than the volute tongue front end face. The front end face of the volute tongue is a side wall face of the ventilation opening, which is far away from the side wall of the front panel.

When the ventilation opening is opened by the air door, the air door is provided with a third position, when the air door is positioned at the third position, the heat exchange air outlet is closed by the air guide plate, the end part of the air door is propped against the inner wall surface of the air guide plate, and specifically, the first end of the air door is propped against the inner wall surface of the air guide plate, so that the ventilation opening can be opened to the maximum extent by the air door, and the air in the heat exchange air channel is facilitated to flow to the first air channel.

In some embodiments of the present application, referring to fig. 16 and 18, the indoor unit of the air conditioner further includes a fresh air module for introducing outdoor fresh air into a room, so that indoor air quality can be improved.

The fresh air module includes a fresh air housing 41 and a fresh air fan 42. Wherein, fresh air shell 41 locates in casing 1, is equipped with fresh air fan chamber 411 in the fresh air shell 41, and fresh air fan 42 locates the fresh air fan intracavity, and fresh air fan chamber and outdoor intercommunication.

Be equipped with new trend air exit 1611 on the first wind channel inner wall, new trend fan chamber and first wind channel pass through new trend air exit 1611 intercommunication, can introduce the first wind channel with the new trend in, realize the independent air-out or the mixed air-out of new trend, when mixing the fresh air, can reduce the difference in temperature of new trend and indoor air, with the user experience of new trend of sign.

The fresh air shell 41 is provided with a fresh air inlet 412, and the fresh air inlet 412 communicates the fresh air fan cavity with the outside.

Under the driving of the fresh air fan 42, the outdoor air enters the fresh air fan cavity through the fresh air inlet 412, then enters the first air channel through the fresh air outlet, and then the fresh air flows out from the first air outlet.

When the ventilation opening is closed by the air door, the fresh air fan drives fresh air to flow out from the first fresh air outlet, and the indoor fan drives indoor air to flow out from the heat exchange air outlet.

When the ventilation opening is opened by the air door and the heat exchange air outlet is closed by the air deflector, the fresh air fan drives fresh air to enter the first air channel, the indoor fan drives indoor air to enter the first air channel through the heat exchange air channel, the fresh air and the indoor air are mixed in the first air channel, and the mixed air flows out from the first air outlet.

The fresh air shell 41 can be arranged at the left end or the right end of the indoor unit of the air conditioner, and the fresh air shell 41 is arranged at one end of the indoor heat exchanger and the indoor fan.

The fresh air housing 41 comprises a fresh air frame 4101 and a fresh air volute 4102, wherein a fresh air inlet cavity 413 is formed in the fresh air frame 4101, the fresh air volute 4102 is connected to one side of the fresh air frame 4101, a fresh air fan cavity 411 is formed in the fresh air volute 4102, and a frame air port 414 for communicating the fresh air fan cavity 411 with the fresh air inlet cavity 413 is formed on one side of the fresh air frame 4101 close to the fresh air volute 4102.

The new trend module still includes air inlet connecting pipe 43, and air inlet connecting pipe 43 is connected with the new trend shell to air inlet connecting pipe connects in new trend income wind gap department, and air inlet connecting pipe's one end is connected with the new trend shell and its other end extends to outdoor, and air inlet connecting pipe locates outdoor one end department and is equipped with the new trend air intake, and the new trend air inlet chamber is through new trend air intake and new trend income wind gap and outdoor intercommunication.

Outdoor air enters the fresh air inlet pipe through the fresh air inlet, then enters the fresh air inlet cavity through the fresh air inlet, then enters the fresh air fan cavity through the frame air opening 414, and then enters the first air channel through the fresh air outlet.

The fresh air inlet can be arranged on one side of the fresh air shell, which is close to the bottom of the air conditioner indoor unit.

The new trend module still includes new trend filtration module 44, and new trend filtration module 44 locates new trend air inlet intracavity and blocks up the frame wind gap for after outdoor wind enters into new trend air inlet chamber, must purify through new trend filtration module when entering into new trend fan chamber from new trend air inlet chamber, make the new trend that enters into indoor all pass through purifying, can improve the quality of the new trend that enters into indoor.

In some embodiments of the present application, referring to fig. 2-7, a first air outlet grille 142 is provided at the first air outlet, so that the air outlet at the first air outlet is soft, and the air can be prevented from directly blowing a person during refrigeration, and cold air can be prevented at the initial stage of heating.

The first air outlet grille 142 comprises a first air outlet grille 1421, wherein the first air outlet grille 1421 is provided with a plurality of non-vertical air outlet grille bars, and first grille air channels 1422 are arranged on two sides of the first air outlet grille bars. The first grille air duct can be arranged towards the outer side of the front panel and towards the bottom of the shell, or the first grille air duct is arranged towards the outer side of the front panel and horizontally, or the first grille air duct is arranged towards the outer side of the front panel and towards the top of the shell.

The cross-sectional profile of the first outlet style bars 1421 may be diamond-shaped.

In some embodiments of the present application, referring to fig. 2-10, the first air outlet grid includes a first arcuate surface 14211 disposed at a top portion thereof and a second arcuate surface 14212 disposed at a bottom portion thereof, a top end of the first arcuate surface is connected to a top end of the second arcuate surface and a bottom end of the first arcuate surface is connected to a bottom end of the second arcuate surface, and openings of the first arcuate surface 14211 and the second arcuate surface 14212 are disposed opposite to each other.

The first air outlet grid bars are arranged, the first arc-shaped face arranged at the top of the first air outlet grid bars is smooth, the side wall of the air outlet grid bars is smooth, the air outlet resistance is reduced, the top of the casing with better coanda effect is utilized to guide air flow, the indoor top wall 61 of the air patch is enabled to flow, the air is prevented from rapidly descending, the cold air is prevented from directly blowing out, the first grid air channel is arranged towards the outer side of the front panel and towards the top of the casing, the air outlet quantity of the first air outlet can be improved, and the air outlet quantity can be improved by about 10%.

In some embodiments of the present application, referring to fig. 11-15, a side air outlet 191 is provided on the side end plate 19 and communicates with the first air duct, and the side air outlet is provided toward the outside of the side end and toward the front panel side, and communicates with the first air duct 16.

A side air outlet grille 192 is arranged at the side air outlet 191, the side air outlet grille comprises a plurality of side air outlet grille bars 1921, the side air outlet grille bars 1921 are arranged in a non-horizontal mode, and a side grille air duct 1922 is formed between two adjacent side air outlet grille bars; the side grid wind channel 1922 sets up towards the outside of side end plate and towards the front panel side, sets up the side air outlet and can realize that both sides air-out pastes indoor lateral wall 62 and flow, can realize encircling the air current, and the both sides air-out subsides gradually when the wall is flowed, can make the better flow of indoor air, improves user experience.

The side out style grill includes a first side 19211 on a side thereof adjacent the front panel and a second side 19212 on a side thereof remote from the front panel, the first and second sides being planar.

In some embodiments of the present application, the first side and/or the second side are/is an arc surface, two ends of the first side are connected with two ends of the second side respectively, and the first side and/or the second side are/is provided with the arc surface, so that air-out resistance can be reduced, flow of air flow can be better guided, and wall-attached flow with better side air-out can be achieved.

When the first side is an arc-shaped surface, the opening of the first side faces the second side. When the second side is an arc surface, the opening of the second side faces the first side.

In some embodiments of the present application, the inside of the side end plate 19 may be provided with a side air chamber that communicates with the heat exchange air duct or with the first air duct.

In some embodiments of the present application, referring to fig. 17, a first connector (not shown) is disposed on an inner wall surface of the air deflector, a second connector (not shown) on a side of the vent far from the front panel, and a third connector (not shown) is disposed on an end of the door body far from the spin column.

Wherein, be equipped with first hookup location 51 on the aviation baffle internal wall, the vent is kept away from one side of front panel and is equipped with second hookup location 52, and the door body is kept away from the one end of column spinner and is equipped with third hookup location 53, makes first connecting piece, second connecting piece and third connecting piece fixed respectively.

The air door has first position and second position, and when the air door was in first position, the air door closed the vent and the third connecting piece is connected with the second connecting piece, and when the air door was in the second position, the aviation baffle closed the heat transfer air outlet, and the air door opened the vent and the third connecting piece is connected with first connecting piece.

The first connecting piece and the second connecting piece are iron sheets, and the third connecting piece is a magnet, so that the implementation is convenient, and the cost is saved.

Wherein, set up the second connecting piece on the preceding volute tongue, conveniently set up the second connecting piece. When the front volute tongue comprises a first front volute tongue and a second front volute tongue, the second connecting piece is arranged on the first front volute tongue, wherein the second connecting piece is arranged at the end part of the first front volute tongue, which is close to the heat exchange air outlet.

When the first front volute tongue is provided with a connecting surface, the second connecting piece is arranged on the connecting surface.

When the air door is closed, one end of the door body, which is far away from the rotating column, is connected with the front end face of the volute tongue through the third connecting piece and the second connecting piece, and the bottom of one end of the door body, which is far away from the rotating column, is positioned above the bottom of the front end face of the volute tongue or is flush with the bottom of the front end face of the volute tongue, so that the flow resistance to air in the heat exchange air flue is avoided when the bottom of the door body is lower than the front end face of the volute tongue.

In some embodiments of the present application, the air door is provided with a sponge near one side of the first air duct, reducing the generation of condensation.

In some embodiments of the present application, referring to fig. 4-5, the air conditioner indoor unit further includes a water pan 54 disposed at the bottom of the indoor heat exchanger, and the water pan 54 is located above the baffle.

The water receiving disc is connected with the front volute tongue, or the water receiving disc and the front volute tongue are integrally formed, and the second front volute tongue is a side plate of one side, far away from the front panel, of the water receiving disc.

The water pan is provided with a water pan bottom plate 542, a supporting rib plate 543 is arranged on the water pan bottom plate 542, and the indoor heat exchanger is arranged on the supporting rib plate.

The support rib plates can be two and are respectively a first support rib plate and a second support rib plate, the first support rib plate is arranged on one side of the second support rib plate far away from the second front volute tongue, and the indoor heat exchanger is arranged on the first support rib plate.

In the vertical direction, the top of the first support rib plate is lower than the top of the second support rib plate.

Gaps can be arranged on the first support rib plate and the second support rib plate, so that condensed water can flow in the water receiving disc conveniently.

In the description of the present utility model, it should 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 the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The terms "first," "second," and the like, 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 defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. An air conditioning indoor unit, comprising:

a damper rotatably connected to the vent to open or close the vent;

the casing includes:

the damper includes:

2. The indoor unit of claim 1, wherein the first and second connectors are iron pieces and the third connector is a magnet.

3. The indoor unit of claim 1, wherein the damper is provided with a sponge on a side of the damper adjacent to the first air duct.

4. The indoor unit of claim 1, wherein the heat exchange duct has a heat exchange duct sidewall, and an indoor fan is disposed in the heat exchange duct; the housing further comprises:

the side wall of the heat exchange air duct comprises a front volute tongue, and the front volute tongue is arranged on one side, close to the front panel, of the indoor fan; the front volute tongue is provided with the second connecting piece.

5. The indoor unit of claim 4, wherein the front volute tongue comprises a first front volute tongue positioned at one side of the front volute tongue close to the heat exchange air outlet and a second front volute tongue connected with one end of the first front volute tongue far away from the heat exchange air outlet, the second front volute tongue is positioned above the first front volute tongue and is arranged at an included angle with the first front volute tongue, and the second connecting piece is arranged on the first front volute tongue.

6. The indoor unit of claim 5, wherein the second connection member is disposed at an end of the first front volute tongue near the heat exchange air outlet.

7. The indoor unit of claim 6, wherein the casing includes:

8. The indoor unit of claim 7, wherein an end of the first front volute tongue near the heat exchange air outlet has a connection surface below the deflector, and the second connection member is disposed on the connection surface.

9. The indoor unit of claim 7, wherein the baffle is located above the first front volute tongue, the first front volute tongue has a volute tongue front end surface located near one end of the heat exchange air outlet, when the air door closes the air outlet, one end of the door body, which is far away from the rotating column, is connected with the volute tongue front end surface through the third connecting piece and the second connecting piece, and the bottom of the end, which is far away from the rotating column, of the door body is located above the bottom of the volute tongue front end surface or is flush with the bottom of the volute tongue front end surface.

10. The indoor unit of claim 1, wherein the front panel comprises a first panel section, a second panel section connected to the bottom of the first panel section, and a third panel section connected to the bottom of the second panel section, the first panel section and the second panel section are disposed at an included angle and an included angle opening faces the inner side of the front panel, the third panel section and the second panel section are disposed at an included angle and an included angle opening faces the inner side of the front panel, the first air outlet is disposed on the second panel section, and the rotary column is rotatably connected to one end of the third panel section away from the second panel section.