CN220669599U - Indoor unit of vertical air conditioner - Google Patents

Abstract

The utility model provides a vertical air conditioner indoor unit, which comprises: the shell comprises an indoor air inlet and an indoor air outlet; the indoor heat exchanger and the indoor fan are arranged in the shell; the two air guide parts are rotationally connected to the indoor air outlet, are distributed along the width direction of the indoor air outlet and are in rotary fit to open or close the indoor air outlet; the wind guiding part comprises the following components which are sequentially arranged: the first air deflector is rotationally connected with the shell; the second air deflector is connected to the plate surface of the first air deflector; the third air deflector is connected to the plate surface of the second air deflector; the width dimension of the third air deflector is larger than that of the second air deflector. The utility model adopts the two air guide parts of the multi-layer air guide plate structure to match with the air outlet in the opening and closing chamber and control the left and right air supply, the air guide effect is better, and meanwhile, the widening arrangement of the third air guide plate can obviously improve the air supply angle, and effectively enlarge the air outlet range.

Description

Indoor unit of vertical air conditioner

Technical Field

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

Background

At present, the indoor unit of the air conditioner can be a vertical air conditioner indoor unit and a hanging air conditioner indoor unit, the vertical air conditioner indoor unit is provided with a shell forming the appearance of the vertical air conditioner indoor unit, an indoor air outlet for allowing indoor air to flow out of the shell after heat exchange is arranged on the shell, and the indoor air outlet of the vertical air conditioner indoor unit is generally arranged on the front side or the left side and the right side, so that the indoor air can be blown forwards or blown to the left side and the right side. The indoor unit of the vertical air conditioner is also provided with an air deflector generally, when the indoor air outlet is opened, the air deflector can guide the air flowing out of the indoor air outlet so as to change the air outlet direction of the indoor air outlet, and a user can adjust the air outlet direction of the indoor air outlet according to the needs.

When the indoor air outlet of the indoor unit of the vertical air conditioner is arranged at the front side, the left and right air supply control is realized through the air deflector which is arranged at the indoor air outlet and can rotate left and right. However, the structure of the existing air deflector is unstable, and most of the air deflector is of a single plate-shaped structure, so that the air deflector is easy to deform after long-term use, and the normal movement of the air deflector can be influenced seriously. Meanwhile, the inner side and the outer side of the air deflector are generally flat plates, the appearance is relatively simple, a user is easy to feel boring, the air deflector is used for guiding air through the side wall of the air deflector, indoor air is led out along the outline of the air deflector, the air guiding direction and the air outlet angle of the air deflector are limited, diversified visual feeling and air outlet requirements of the user are difficult to meet, and the user experience is reduced.

Disclosure of Invention

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

according to an embodiment of the present disclosure, there is provided a stand air conditioner indoor unit including:

the machine shell comprises an indoor air inlet and an indoor air outlet, wherein the top end and the bottom end of the machine shell are two ends which are oppositely arranged in the length direction of the machine shell, and the indoor air outlet extends along the length direction of the machine shell;

the indoor heat exchanger is arranged in the shell;

the indoor fan is arranged in the shell, the indoor fan drives indoor air to enter the shell through the indoor air inlet to exchange heat with the indoor heat exchanger, and the indoor air after heat exchange flows out through the indoor air outlet;

two wind-guiding portions, with the casing rotates to be connected, wind-guiding portion is followed the length direction of casing extends, two wind-guiding portion is followed the width direction of indoor air outlet lays, wind-guiding portion is including arranging in proper order:

the first air deflector is rotationally connected with the shell;

the second air deflector is connected to the plate surface of the first air deflector and is arranged at intervals with the first air deflector;

the third air deflector is connected to the plate surface of the second air deflector and is arranged at intervals with the second air deflector, the width dimension of the third air deflector is larger than that of the second air deflector, and the width dimension of the third air deflector is smaller than that of the first air deflector;

The two first air deflectors are in running fit to open or close the indoor air outlet, and when the indoor air outlet is closed, the third air deflector is located at one side, close to the indoor fan, of the first air deflectors.

According to the vertical air conditioner indoor unit provided by the technical scheme, the control of left and right air supply of air outlet of the air conditioner and the opening and closing of an air outlet of the air conditioner are realized by arranging the two air guide parts. The wind guide part is of a multi-layer wind guide plate structure, compared with independent wind guide of the wind guide plate, the angle of wind guide is increased, the requirement of a user on more forms of wind guide is met, the wind guide effect can be effectively improved, indoor wind after heat exchange in the shell is effectively guided into a room, and indoor comfort is improved. Meanwhile, the width dimension of the third air deflector is larger than that of the second air deflector, so that the multi-layer air deflector structure has a better air guiding effect. Meanwhile, through simulation and actual measurement, the widening of the third air deflector can obviously improve the air supply angle, and effectively increases the air outlet range.

In other embodiments of the present application, the third air deflector is provided with a plurality of through holes, and the through holes are arranged in a penetrating manner along the thickness direction of the third air deflector; through the arrangement of the through holes, the problem of condensation caused by large temperature difference of the inner side surface of the third air deflector is effectively avoided.

In other embodiments of the present application, the third air deflector includes:

the first air guide surface is arranged at one side of the third air guide plate far away from the second air guide plate;

the second wind-guiding face is arranged on one side, far away from the second wind-guiding plate, of the third wind-guiding plate, the first wind-guiding face is connected with the second wind-guiding face, and an included angle between the first wind-guiding face and the second wind-guiding face is an obtuse angle, so that the indoor wind flowing direction flowing through the third wind-guiding plate is changed, the wind-guiding range can be increased in the transverse direction of the wind-guiding portion, and the wind-guiding effect is improved. Meanwhile, the obtuse angle is arranged, so that the air outlet direction of indoor air after heat exchange can be changed slightly, the indoor air direction is changed gradually, the large-angle change of the indoor air outlet direction is avoided, and the air outlet resistance is reduced.

In some other embodiments of the present application, the side surface of the second air deflector, which is close to the third air deflector, is a cambered surface or the second air deflector includes:

the third air guide surface is arranged on one side of the second air guide plate, which is close to the third air guide plate;

the fourth air guide surface is arranged on one side, close to the third air guide plate, of the second air guide plate, the third air guide surface is connected with the fourth air guide surface, and an included angle between the third air guide surface and the fourth air guide surface is an obtuse angle so as to change the flow direction of indoor air flowing through the second air guide plate; the arrangement enables the inner side surface of the second air deflector to be capable of guiding air gently, reduces air outlet resistance and improves the air guiding effect of the air guiding part.

In other embodiments of the present application, an obtuse angle between the first air guiding surface and the second air guiding surface is β, and an opening of β is disposed in a direction away from the second air guiding plate; and/or, an obtuse angle between the third air guide surface and the fourth air guide surface is gamma, wherein the opening directions of the gamma and the gamma are the same, and the gamma is more than or equal to the beta.

In other embodiments of the present disclosure, a fifth air guiding surface opposite to the first air guiding surface and a sixth air guiding surface opposite to the second air guiding surface are provided on a side of the third air guiding plate facing the second air guiding plate, the fifth air guiding surface is connected to the sixth air guiding surface, and an obtuse angle α is formed between the fifth air guiding surface and the sixth air guiding surface, and an opening of α faces the third air guiding plate; the arrangement ensures that the indoor wind direction changed by the fifth wind guiding surface and the sixth wind guiding surface is matched with the third wind guiding surface and the fourth wind guiding surface, and the indoor wind between the second wind guiding plate and the third wind guiding plate is deflected towards one side as a whole.

In other embodiments of the present disclosure, a seventh air guiding surface opposite to the third air guiding surface and an eighth air guiding surface opposite to the fourth air guiding surface are provided on a side of the second air guiding plate facing the first air guiding plate, the seventh air guiding surface is connected to the eighth air guiding surface, an obtuse angle θ is formed between the seventh air guiding surface and the eighth air guiding surface, and an opening of θ faces the third air guiding plate; the arrangement enables the second air deflector and the first air deflector to form an air duct for guiding air, and the first air deflector and the second air deflector interact to realize air guiding in a small range, so that the air guiding effect is improved.

In addition, the application also provides a vertical air conditioner indoor unit, which comprises:

the machine shell comprises an indoor air inlet and an indoor air outlet, wherein the top end and the bottom end of the machine shell are two ends which are oppositely arranged in the length direction of the machine shell, and the indoor air outlet extends along the length direction of the machine shell;

the indoor heat exchanger is arranged in the shell;

the indoor fan is arranged in the shell, the indoor fan drives indoor air to enter the shell through the indoor air inlet to exchange heat with the indoor heat exchanger, and the indoor air after heat exchange flows out through the indoor air outlet;

two wind-guiding portions, with the casing rotates to be connected, wind-guiding portion is followed the length direction of casing extends, two wind-guiding portion is followed the width direction of indoor air outlet lays, wind-guiding portion is including arranging in proper order:

the first air deflector is rotationally connected with the shell;

the second air deflector is connected to the plate surface of the first air deflector and is arranged at intervals with the first air deflector;

the third air deflector is connected to the plate surface of the second air deflector and is arranged at intervals with the second air deflector, the width dimension of the third air deflector is larger than that of the second air deflector, and the width dimension of the third air deflector is smaller than that of the first air deflector;

The connecting plate is connected between the second air deflector and the third air deflector, the second air deflector, the third air deflector and the connecting plate are surrounded to form a guide ring, and a guide channel for indoor air to flow is arranged in the guide ring;

wherein, the water conservancy diversion circle is provided with at least one.

According to the vertical air conditioner indoor unit provided by the technical scheme, the air guide part is of a multi-layer air guide plate structure, and compared with independent air guide of the air guide plate, the angle of air guide is increased, the requirement of a user on more forms of air guide is met, and the air guide effect can be effectively improved. By widening the width of the third air deflector, the air supply angle is obviously improved and the air outlet range is enlarged while the air guiding effect is improved. Further, the second air deflector is connected with the third air deflector to form a guide ring, so that when the air outlet is opened, a user can see the guide ring, the technological sense of the air guiding part is increased, and the attractiveness of the indoor unit of the vertical air conditioner is further improved.

In some other embodiments of the application, the second air deflector and the third air deflector are arc-shaped plates or bending plates, and the arc-shaped plates or the bending plates are arranged, so that the air guiding effect is improved.

In some other embodiments of the application, a plurality of through holes are formed in the third air deflector in a penetrating mode, so that the condensation problem of the third air deflector can be effectively solved.

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 to 2 are external views of an indoor unit of a floor air conditioner according to an embodiment of the present disclosure;

FIG. 3 is a cross-sectional view of FIG. 1;

FIG. 4 is a perspective view of first and second wind-guiding portions in a wind-guiding position according to an embodiment of the present disclosure;

FIG. 5 is a cross-sectional view of FIG. 4;

fig. 6 is a schematic view of a structure of an indoor unit of a stand air conditioner when guiding air according to an embodiment of the present disclosure;

fig. 7 is a partial construction view of an indoor unit of a stand air conditioner according to an embodiment of the present disclosure when guiding air;

FIG. 8 is a flow chart of airflow when the air is directed by the air conditioner indoor unit according to an embodiment of the present disclosure;

FIG. 9 is a perspective view of a multi-layer air deflection structure, in accordance with embodiments of the present disclosure;

FIG. 10 is a schematic view of a partial structure of a multi-layer air deflection structure in accordance with embodiments of the present disclosure;

FIG. 11 is a partial cross-sectional view of a first wind deflector according to an embodiment of the present disclosure;

FIG. 12 is a partial cross-sectional view of a second wind deflector according to an embodiment of the present disclosure;

FIG. 13 is a cross-sectional view of first and second wind-guiding portions in a wind-guiding position according to an embodiment of the present disclosure;

FIG. 14 is a cross-sectional view of a first wind deflector according to an embodiment of the present disclosure;

FIG. 15 is a cross-sectional view of a second wind deflector according to an embodiment of the present disclosure;

fig. 16 is a partial construction view of an indoor unit of a stand air conditioner according to an embodiment of the present disclosure when guiding air;

fig. 17 is a partial structural exploded view of an indoor unit of a stand air conditioner according to an embodiment of the present disclosure;

fig. 18 is an enlarged view at a in fig. 17;

fig. 19 is a sectional view of an indoor unit of a stand air conditioner according to an embodiment of the present disclosure;

FIG. 20 is a schematic view of a structure of an air outlet frame according to an embodiment of the present disclosure;

fig. 21 is a schematic structural view of a multi-layer air deflector structure according to an embodiment of the present disclosure.

In the above figures: a vertical air conditioner indoor unit 100; a housing 1; a front panel 11; an air intake panel 12; a top plate 13; a base 14; an indoor air inlet 15; an air inlet grill 151; an indoor air outlet 16; a second engagement portion 17; a heat exchange air duct 18; a fresh air inlet 191; a fresh air outlet 192; an indoor heat exchanger 2; an indoor fan 3; a first air guide 41; a second air guide 42; an air duct member 5; a left volute tongue 51; a right volute tongue 52; an air outlet duct 53; a first air deflector 6; an outer air deflector 61; an inner air deflector 62; a first inclined surface 63; a second inclined surface 64; a fixing plate 65; an end rotation portion 661; a middle rotating part 662; a second lap joint portion 67; a receiving chamber 68; a reinforcing plate 69; a guide ring 7; a second air deflector 71; a third air guiding surface 711; a fourth air guiding surface 712; a seventh air guide surface 713; an eighth air guiding surface 714; a third air deflector 72; a through hole 721; a first air guiding surface 722; a second air guiding surface 723; a fifth air guiding surface 724; a sixth air guiding surface 725; a connection plate 73; a diversion channel 74; a fixing member 8; a first lap joint portion 81; a first clamping portion 82; an air outlet frame 9; left air outlet frame 91; a right air outlet frame 92; a bottom air outlet frame 93; an outlet grille 94; an air outlet chamber 95; a support 96; and middle rotation hole 961.

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.

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 present utility model proposes a vertical air conditioner indoor unit 100, and the vertical air conditioner indoor unit 100 will be described with reference to fig. 1 to 21, wherein fig. 1 and 2 are external views of the vertical air conditioner indoor unit, and the vertical air conditioner indoor unit 100 is a part of an air conditioner, and the air conditioner further comprises an air conditioner outdoor unit.

The indoor unit 100 of the floor air conditioner includes a casing 1, the casing 1 is installed indoors, the casing 1 may form an overall appearance of the indoor unit 100 of the floor air conditioner, and an accommodating space is defined inside the casing 1. The casing 1 has a top end and a bottom end, and the top end of the casing 1 and the bottom end of the casing 1 are two ends of the casing 1 opposite to each other in the length direction thereof.

In the present example, the air conditioning unit 100 is generally columnar. The vertical air conditioning indoor unit 100 may have a cylindrical shape, a square column shape, an irregular column shape, or the like.

Referring to fig. 1 and 2, the cabinet 1 includes an air intake panel 12, a front panel 11, a top plate 13, and a base 14, the front panel 11 is located at the front side of the cabinet 1, the air intake panel 12 is connected to the rear side of the front panel 11, the top plate 13 is connected to the upper sides of the front panel 11 and the air intake panel 12, and the base 14 is connected to the lower sides of the front panel 11 and the air intake panel 12.

The air intake panel 12, the front panel 11, the top plate 13 and the base 14 enclose a receiving space. Wherein the top plate 13 forms a top end of the cabinet 1, the base 14 forms a bottom end of the cabinet 1, and the base 14 is adapted to be seated on a floor of the indoor space.

The directions described herein are based on the direction in which the user faces the air conditioner indoor unit, wherein the front side is the side of the air conditioner indoor unit facing the user, the opposite side to the front side is the rear side, and the left side and the right side are distinguished from each other in the direction in which the user faces the air conditioner indoor unit.

The casing 1 includes an indoor air inlet 15 and an indoor air outlet 16, and an air channel is formed in the casing 1 and is communicated with the indoor air inlet 15, so that indoor air enters the air channel from the indoor air inlet 15, and the air channel is communicated with the indoor air outlet 16, so that air flow in the air channel can flow from the indoor air outlet 16 to the indoor.

The indoor air outlet 16 is in a strip shape, and the indoor air outlet 16 extends along the length direction of the casing 1. In the present embodiment, the indoor air outlet 16 is vertically disposed at the front side of the floor air conditioner indoor unit 100, that is, the indoor air outlet 16 is disposed on the front panel 11. In this application, indoor air outlet is provided with one, and indoor air intake can be provided with a plurality of.

The indoor air inlet 15 may be disposed on the air inlet panel 12, and this arrangement makes the indoor unit 100 of the vertical air conditioner conveniently disposed by blowing air from the rear side and blowing air-conditioning air, which is indoor air after heat exchange, toward the front side.

An air inlet grille 151 can be arranged at the indoor air inlet 15 and is used for filtering indoor air entering the casing, so that larger impurities are prevented from entering the air duct.

Referring to fig. 3, the stand air conditioner indoor unit 100 further includes an indoor heat exchanger 2 and an indoor fan 3, and the indoor heat exchanger 2 and the indoor fan 3 are disposed in the air duct. In this embodiment, the indoor heat exchanger 2 may be located on a side of the indoor fan 3 near the indoor air inlet 15, that is, the indoor heat exchanger 2 is located upstream relative to the indoor fan 3 in the airflow direction in the air duct. Of course, in other embodiments, the indoor heat exchanger 2 may also be located on the side of the indoor fan 3 near the indoor air outlet 16.

The indoor heat exchanger 2 is used to absorb heat from or transfer heat to the indoor wind of the wind tunnel. The indoor fan 3 serves as an airflow driving source so that air can flow from the indoor air inlet 15 to the indoor air outlet 16.

When the indoor heat exchanger 2 is located at one side of the indoor fan 3 near the indoor air inlet 15, indoor air enters the air duct from the indoor air inlet 15, the indoor air entering the air duct exchanges heat with the indoor heat exchanger 2, and the air after heat exchange is discharged into the room from the indoor air outlet 16 through the indoor fan 3, so that the vertical air conditioner indoor unit 100 refrigerates and heats, and the comfortable temperature of a user is reached.

The outdoor unit of the air conditioner comprises an outdoor shell, an outdoor fan and an outdoor heat exchanger, wherein the outdoor shell is provided with an outdoor air inlet and an outdoor air outlet, the outdoor fan and the outdoor heat exchanger are arranged in the outdoor shell, and the outdoor heat exchanger is used for exchanging heat with outdoor air entering an outdoor air channel. The outdoor fan is used for providing power for the flow of air in the outdoor machine shell. Under the drive of the outdoor fan, outdoor air enters the shell through the outdoor air inlet, the air entering the outdoor shell exchanges heat with the outdoor heat exchanger at the outdoor heat exchanger, and the air after heat exchange flows out of the outdoor shell 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.

Of the indoor heat exchanger 2 and the outdoor heat exchanger, one 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 may achieve a cooling effect by exchanging heat with a material to be cooled using 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 includes a cooling mode in which the indoor heat exchanger 2 is an evaporator and the outdoor heat exchanger is a condenser, and a heating mode in which a refrigerant circulates sequentially through the compressor, the outdoor heat exchanger, the expansion valve, and the indoor heat exchanger. In the heating mode, the indoor heat exchanger is a condenser and the outdoor heat exchanger is an evaporator, and the refrigerant circulates through the compressor, the indoor heat exchanger, the expansion valve, and the outdoor heat exchanger in this order.

Further, the vertical air conditioner indoor unit 100 further includes a fresh air module, and the fresh air module is used for introducing outdoor fresh air into a room, so that indoor air quality can be improved. Specifically, the new trend module sets up in the below in wind channel, and the new trend module sets up on base 14, has seted up new trend import 191 and new trend export 192 on casing 1, and new trend import 191 is through new tuber pipe and outdoor intercommunication, and new trend import 191 and the air inlet end intercommunication of new trend module. The fresh air outlet 192 is communicated with the indoor space, and the fresh air outlet 192 is communicated with the air outlet end of the fresh air module. Referring to fig. 2, a fresh air outlet 192 is formed on the front panel 11 and located below the indoor air outlet 16, and a fresh air inlet 191 is formed on the air inlet panel 12 and located below the indoor air inlet 15.

Referring to fig. 4 to 7, two air guiding portions are provided at the indoor air outlet 16, the two air guiding portions are a first air guiding portion 41 and a second air guiding portion 42, the second air guiding portion 42 and the first air guiding portion 41 are arranged along the width direction of the indoor air outlet 16, the second air guiding portion 42 and the first air guiding portion 41 extend along the length direction of the casing 1, that is, the length direction of the second air guiding portion 42 and the first air guiding portion 41 is the length direction of the casing 1, and the width direction of the second air guiding portion 42 and the first air guiding portion 41 is the width direction of the indoor air outlet 16. The second air guiding portion 42 is rotatably engaged with the first air guiding portion 41 to open or close the indoor air outlet 16.

Specifically, the first air guiding portion 41 and the second air guiding portion 42 are rotatably connected with the casing, and the first air guiding portion 41 and the second air guiding portion 42 have a closed position and an air guiding position, and when the first air guiding portion 41 and the second air guiding portion 42 are in the closed position, they cooperate to close the indoor air outlet 16. When the first air guiding portion 41 and/or the second air guiding portion 42 are at the air guiding position, the indoor air outlet 16 is at an open state, and the indoor air coming out from the indoor air outlet 16 is blown into the room under the action of the air guiding of the first air guiding portion 41 and/or the second air guiding portion 42 under the driving of the indoor fan 3, referring to fig. 8, wherein the hollow arrow represents the direction of the flow of the indoor air.

Referring to fig. 9 and 10, the first air guiding portion 41 and the second air guiding portion 42 are a multi-layer air guiding structure including a first air guiding plate 6, a second air guiding plate 71 and a third air guiding plate 72 arranged in sequence, that is, the second air guiding plate 71 is located between the first air guiding plate 6 and the third air guiding plate 72. The first air deflector 6 is rotationally connected with the casing 1, the second air deflector 71 is connected to the surface of the first air deflector 6, the second air deflector 71 is arranged at intervals with the first air deflector 6, the third air deflector 72 is connected to the surface of the second air deflector 71, and the third air deflector 72 is arranged at intervals with the second air deflector 71. Wherein, two first aviation baffle 6 normal running fit are in order to open or close indoor air outlet 16, and when indoor air outlet 16 was closed, third aviation baffle 72 is located the one side that first aviation baffle 6 was close to indoor fan 3.

The first air guide part 41 and the second air guide part 42 are of a multi-layer air guide plate structure, compared with independent air guide of the air guide plates, the angle of the air guide is increased, the requirement of a user on more forms of air guide is met, the multi-layer air guide plate structure can be used for effectively improving the air guide effect, so that indoor air after heat exchange in the machine shell is effectively guided into a room, and indoor comfort is improved.

Referring to fig. 11 and 12, in the present embodiment, the width dimension a of the third air deflector 72 is larger than the width dimension b of the second air deflector 71, and the width dimension of the third air deflector 73 is smaller than the width dimension of the first air deflector 6. The width directions of the third air guide plate 72, the second air guide plate 71 and the first air guide plate 6 are the width directions of the indoor air outlet 16, and the width dimensions of the third air guide plate 72, the second air guide plate 71 and the first air guide plate 6 are the distance dimensions between the two ends in the width directions. By setting the width dimension of the third air deflector 72 to be larger than the width dimension of the second air deflector 42, the multi-layer air deflector structure has a better air guiding effect. Meanwhile, through simulation and actual measurement, the widening of the third air deflector 72 can obviously improve the air supply angle, effectively enlarge the air outlet range and effectively improve the air guiding effect.

The second air deflector 71 is connected to the plate surface of the first air deflector 6 through a plurality of fixing plates 65, and the third air deflector 72 is connected to the plate surface of the second air deflector 71 through a connecting plate. In the present embodiment, the ratio of the width dimension a of the third air deflector 72 to the width dimension b of the second air deflector 71 is in the range of 1.2 to 1.5. In this ratio range, the air guiding effect of the first air guiding portion 41 and the second air guiding portion 42 is better. The first air deflector 6 and the second air deflector 71 may be flat plates, curved plates, or bent plates.

When the first air guiding portion 41 and the second air guiding portion 42 are at the closed position, the two first air guiding plates 6 cooperate to close the indoor air outlet 16. In this embodiment, the rotation directions of the first air guiding portions 41 and the two first air guiding plates 6 in the second air guiding portions 42 are opposite.

Referring to fig. 11 to 13, the air guiding ends of the two first air guiding plates 6 in the first air guiding part 41 and the second air guiding part 42 are respectively provided with a first inclined surface 63 and a second inclined surface 64, and when the two first air guiding plates 6 rotate to close the indoor air outlet 16, the first inclined surface 63 and the second inclined surface 64 overlap and rotate in opposite directions, so that the two first air guiding plates 6 are interlocked and sealed. That is, when the indoor air outlet 16 is closed, the first air guiding portion 41 and the second air guiding portion 42 are interlocked and sealed by the two first air guiding plates 6, so that dust and small impurities are prevented from entering the casing 1, and the tightness of the first air guiding portion 41 and the second air guiding portion 42 is improved. The lap joint is that the air guiding ends of the two first air guiding plates 6 are mutually overlapped or partially overlapped to be connected, and the air guiding ends are the air outlet ends of the air guiding plates.

In this embodiment, the first inclined surface 63 and the second inclined surface 64 are disposed on the outer air guide plate 61, and the inclined directions of the first inclined surface 63 and the second inclined surface 64 are adapted to the rotation directions of the two first air guide plates 6, so as to avoid interference to the rotation of the first air guide plates 6, and the inclined directions of the first inclined surface 63 and the second inclined surface 64 are substantially the same, so that the two first air guide plates 6 are smoothly overlapped. The inclination angle of the first inclined surface 63 and the second inclined surface 64 is not limited in the present application.

Referring to fig. 14 and 15, in order to improve the structural strength of the first air deflector 6, in this embodiment, the first air deflector 6 includes an outer air deflector 61 and an inner air deflector 62 disposed inside the outer air deflector 61, and a space exists between one side of the second air deflector 71 adjacent to the inner air deflector 62 and is fixedly connected to the inner air deflector 62 through a plurality of fixing plates 65. In this embodiment, the inner air deflector is connected with the outside air deflector to form a holding cavity, and a reinforcing plate is arranged in the holding cavity and is close to the air guiding end of the first air deflector.

The first air deflector 6 adopts a double-layer air deflector structural design, so that the strength of the first air deflector 6 is improved, the deformation of the first air deflector 6 is reduced, and the first air deflector 6 can drive the second air deflector 71 and the third air deflector 72 connected with the first air deflector to normally operate at the indoor air outlet 16. The inner air guide plate 62 is curved at a side close to the second air guide plate 71, so that air guide can be performed smoothly, and air outlet resistance can be reduced.

Further, the third air deflector 72 is widened, so that the leeward area of the third air deflector 72 is enlarged to a certain extent, and the temperature difference between the inner and outer surfaces of the third air deflector 72 is increased, and particularly, the problem of condensation is easily caused during refrigeration operation.

In order to solve the condensation problem, a plurality of through holes 721 are provided in the third air guide plate 72, and the plurality of through holes 721 are provided to penetrate in the thickness direction of the third air guide plate 72. By providing through holes 721. The indoor air flows through the inner plate surface of the third air deflector 72 and flows through the outer side surface of the third air deflector 72 through the plurality of through holes 721, so that the inner and outer plate surfaces of the third air deflector 72 are prevented from having larger temperature difference, condensation on the outer side surface of the third air deflector 72 is effectively avoided, and the water dripping phenomenon is generated. The inner surface of the third air deflector 72 is a surface of the third air deflector 72 far from the second air deflector 71, and the outer surface of the third air deflector 72 is a surface of the third air deflector 72 near to the second air deflector 71.

Referring to fig. 14, in the present embodiment, the third air deflector 72 is a bent plate. Specifically, the third air guiding plate 72 includes a first air guiding surface 722 and a second air guiding surface 723, the first air guiding surface 722 is disposed on a side of the third air guiding plate 72 away from the second air guiding plate 71, the second air guiding surface 723 is disposed on a side of the third air guiding plate 72 away from the second air guiding plate 71, the first air guiding surface 722 and the second air guiding surface 723 are connected to form an inner plate surface of the third air guiding plate 72, and an included angle between the first air guiding surface 722 and the second air guiding surface 723 is an obtuse angle so as to change an indoor air flowing direction flowing through an inner plate surface of the third air guiding plate 72. When the third air deflector 72 is a bent plate, the leeward region is relatively reduced compared with a flat plate air deflector, and the generation of condensation is reduced to some extent.

In the above embodiment, the first air guiding surface 722 and the second air guiding surface 723 are provided to guide the indoor air to flow out, and the included angle between the second air guiding surface 723 and the second air guiding surface 723 is an obtuse angle, so that the air outlet direction of the indoor air near the first air guiding surface 722 and the second air guiding surface 723 can be changed, and the outer side surface of the third air guiding plate 72 has the function of changing the air outlet direction of the indoor air. When the third air deflector 72 is a bending plate, the angle of air guiding is increased compared with that of the plate-shaped air deflector alone, and the requirement of users on more forms of air guiding is met.

Wherein, the contained angle of first wind-guiding face 722 and second wind-guiding face 723 adopts the obtuse angle setting, the air-out direction of change indoor wind that can be less for indoor wind direction changes gradually, avoids the wide-angle change indoor wind air-out direction, has reduced the air-out resistance simultaneously. The included angle formed between the first air guiding surface 722 and the second air guiding surface 723 is beta, and the opening of beta is arranged in a direction away from the second air guiding plate. In this embodiment, the value range of β is: 140 +.beta.ltoreq.170 °, that is, beta may be any value between 140 ° and 170 °.

In other embodiments of the present application, the side surface of the second air deflector 71 facing the third air deflector 72 is a cambered surface, which can smoothly guide air and reduce air-out resistance. Or, the second air guiding plate 71 is a bent plate, specifically, the second air guiding plate 71 includes a third air guiding surface 711 and a fourth air guiding surface 712, and an included angle between the third air guiding surface 711 and the fourth air guiding surface 712 is an obtuse angle, so that the flowing direction of indoor air flowing through the second air guiding plate can be changed.

More specifically, referring to fig. 15, the third air guiding surface 711 is disposed on a side of the second air guiding plate 71 facing the third air guiding plate 72, the fourth air guiding surface 712 is disposed on a side of the second air guiding plate 71 facing the third air guiding plate 72, the third air guiding surface 711 and the fourth air guiding surface 712 are connected to form an inner plate surface of the second air guiding plate 71, and an included angle between the third air guiding surface 711 and the fourth air guiding surface 712 is an obtuse angle to change a flow direction of indoor air flowing through the inner plate surface of the second air guiding plate 71.

In this embodiment, the inner plate surface of the second air deflector 71 is a plate surface of the second air deflector 71 close to the third air deflector 72, and the obtuse angle setting can also change the air outlet direction of the indoor air less, so that the indoor air direction is gradually changed, the indoor air outlet direction is prevented from being changed at a large angle, gentle air guiding is realized, and the air outlet resistance is reduced. Referring to FIG. 15, the angle between the third air guiding surface 711 and the fourth air guiding surface 712 is an obtuse angle γ, wherein γ is equal to or greater than β. In this embodiment, in order to better improve the air guiding effect of the second air guiding plate 71, the value range of γ is: gamma is more than or equal to 160 degrees and less than 180 degrees.

In other embodiments, the angle γ between the third and fourth air guiding surfaces 711, 712 may be the same as the angle β formed between the first and second air guiding surfaces 722, 723.

Further, a seventh air guiding surface 713 and an eighth air guiding surface 714 are disposed on one side of the second air guiding plate 71 facing the first air guiding plate 6, wherein the seventh air guiding surface 713 and the third air guiding surface 711 are disposed opposite to each other, the eighth air guiding surface 714 and the fourth air guiding surface 712 are disposed opposite to each other, the seventh air guiding surface 713 and the eighth air guiding surface 714 are connected to form an outer side surface of the second air guiding plate 71, and an included angle is formed between the seventh air guiding surface 713 and the eighth air guiding surface 714 to change the indoor air flowing direction flowing through the outer side surface of the second air guiding plate 71. Meanwhile, the arrangement enables an air duct for guiding air to be formed between the second air guide plate 71 and the first air guide plate 6, and the first air guide plate 6 and the second air guide plate 71 interact to realize air guiding in a small range, so that the air guiding effect is improved.

With continued reference to fig. 15, in the above embodiment, the seventh air guiding surface 713 and the eighth air guiding surface 714 are disposed towards the inner air guiding plate 62, and the included angle between the seventh air guiding surface 713 and the eighth air guiding surface 714 is an obtuse angle θ, and the opening of θ faces the third air guiding plate 72. The value range of θ may be: θ is more than or equal to 160 degrees and less than 180 degrees.

In this embodiment, the thickness of the second air deflector 71 is set to be equal, that is, the obtuse angle θ and the obtuse angle γ may take the same value. Of course, in other embodiments, the thickness of the second air deflector 71 may be gradually changed, wherein the thickness of the second air deflector 71 may gradually decrease from the bending portion to both ends thereof.

In other embodiments of the present application, a side of the third air guiding plate 72 facing the second air guiding plate 71 is provided with a fifth air guiding surface 724 and a sixth air guiding surface 725. The fifth air guiding surface 724 is disposed opposite to the first air guiding surface 722, the sixth air guiding surface 725 is disposed opposite to the second air guiding surface 723, the fifth air guiding surface 724 is connected to the sixth air guiding surface 725, and an included angle α is formed between the fifth air guiding surface 724 and the sixth air guiding surface 725, and an opening of α faces the third air guiding plate 72. Referring to fig. 14, in order to better perform the wind guiding function, the value range of α is: alpha is 140 DEG or more and 170 deg or less. This arrangement allows the direction of the indoor air changed by the fifth air guide surface 724 and the sixth air guide surface 725 to be matched with the third air guide surface 711 and the fourth air guide surface 712, and the indoor air between the second air guide plate 71 and the third air guide plate 72 can be deflected toward one side as a whole.

In this embodiment, the thickness of the third air deflector 71 is set to be equal, that is, the included angle β and the included angle α may have the same value. Of course, in other embodiments, the thickness of the third air deflector 71 may be gradually changed, wherein the thickness of the third air deflector 71 may gradually decrease from the bent portion to the two ends thereof, and the included angle β and the included angle α are different values.

In other embodiments of the present application, the multi-layer air deflector structure further includes a connecting plate 73, the connecting plate 73 is connected between the second air deflector 71 and the third air deflector 72, the second air deflector 71, the third air deflector 72 and the connecting plate 73 enclose to form a deflector ring 7, and a deflector channel 74 for indoor air to flow is provided in the deflector ring 7.

Specifically, referring to fig. 10 and 20, two connection plates 73 are connected between the second air guide plate 71 and the third air guide plate 72, the two connection plates 73 are arranged opposite to each other, one connection plate 73 of the two connection plates 73 is connected to the top end of the second air guide plate 71 and the top end of the third air guide plate 72, and both ends of the other connection plate 73 are connected to the bottom end of the second air guide plate 71 and the bottom end of the third air guide plate 72. In this embodiment, at least one deflector 7 is disposed on the deflector ring 7, that is, at least one second deflector 71 is disposed along the length direction of the indoor air outlet 16, and at least one third deflector 72 is disposed along the length direction of the indoor air outlet 16.

That is, the deflector ring 7 formed by the second deflector 71 and the third deflector 72 is connected to the inner side of the first deflector 6, and the deflector channel 74 has openings at both ends in the width direction of the indoor air outlet 16, and indoor air enters the deflector channel 74 from one opening of the deflector channel 74 and then flows out from the other opening of the deflector channel 74, so that there is indoor air flowing out through the deflector channel 74. Through set up water conservancy diversion circle 7 in the inboard of first aviation baffle 6 for when the indoor air outlet 16 is opened to the multilayer aviation baffle structure, user can audio-visual water conservancy diversion circle 7 of seeing, can increase the technological sense of multilayer aviation baffle structure, and then improves the whole machine aesthetic property of vertical air conditioner indoor set, is formed with water conservancy diversion passageway 74 in the water conservancy diversion circle 7 of setting, and indoor air can pass water conservancy diversion passageway 74 and flow, improves the wind-guiding effect.

Specifically, in this embodiment, referring to fig. 10, the middle of one side of the two connection plates 73 facing each other is a plane, and this arrangement makes the air-out direction not changed in the up-down direction of the deflector ring 7 when the indoor air is guided through the deflector channel 74 of the deflector ring 7, so as to reduce the air-out resistance and facilitate the air-out.

In the present embodiment, the first air guiding surface 722 and the second air guiding surface 723 are disposed on the third air guiding plate 72 facing away from the air guiding channel 74, that is, the first air guiding surface 722 and the second air guiding surface 723 are located outside the air guiding channel 74. The first wind guiding surface 722 is connected with the second wind guiding surface 723, and the included angle between the first wind guiding surface 722 and the second wind guiding surface 723 is an obtuse angle, so that wind guiding is realized on one side of the third wind guiding plate 72 far away from the guiding channel 74, and the wind guiding range and the wind guiding effect are effectively improved.

The third air guiding surface 711 is disposed on one side of the second air guiding plate 71 close to the air guiding channel 74 and is located at an inner side of an opening end of the air guiding channel 74, the fourth air guiding surface 712 is disposed on one side of the second air guiding section close to the air guiding channel 74 and is located at an inner side of another opening end of the air guiding channel 74, and an obtuse angle between the third air guiding surface 711 and the fourth air guiding surface 712 is used for changing a flowing direction of indoor air in the air guiding channel 74.

The seventh air guiding surface 713 is arranged on one side of the third air guiding plate 72 close to the air guiding channel 74 and is positioned on the inner side of an opening end of the air guiding channel 74; the eighth wind guiding surface 714 is disposed on one side of the third wind guiding plate 72 near the wind guiding channel 74 and is located at the inner side of the other opening end of the wind guiding channel 74, and the included angle θ between the seventh wind guiding surface 713 and the eighth wind guiding surface 714 enables the indoor wind direction changed by the seventh wind guiding surface 713 and the eighth wind guiding surface 714 to be adapted to the third wind guiding surface 711 and the fourth wind guiding surface 712, so that the indoor wind in the wind guiding channel 74 is deflected towards one side as a whole.

The fifth air guiding surface 724 and the sixth air guiding surface 725 are located on one side, deviating from the air guiding channel 74, of the second air guiding plate 71, one side, close to the second air guiding plate 71, of the first air guiding plate 6 is arc-shaped, namely, one side, close to the second air guiding plate 71, of the inner-layer air guiding plate 62 is arc-shaped, an included angle alpha is formed between the fifth air guiding surface 724 and the sixth air guiding surface 725, and the arrangement enables the indoor air outlet direction between the inner-layer air guiding plate 62 and the air guiding ring 7 to be close to the indoor air outlet direction in the air guiding channel 74 as much as possible, so that the air outlet range is enlarged.

Further, referring to fig. 17 and 18, two fixing members 8 are disposed on the casing, the two fixing members 8 are disposed at two ends of the air outlet in the width direction thereof, a first lap joint portion 81 is disposed at one side of the two fixing members 8 facing each other, a second lap joint portion is disposed at an end portion of the first air deflector 6 adjacent to the fixing members 8, and when the first air deflector 6 and the second air deflector 71 close the air outlet, the second lap joint portion overlaps the first lap joint portion 81 to seal the indoor air outlet 16.

In this embodiment, the fixing member 8 is connected to the housing through a plurality of fastening structures. Specifically, the clamping structure includes a first clamping portion 82 and a second clamping portion 17, the first clamping portion 82 is disposed on a side of the fixing member 8 facing the casing, the casing is provided with the second clamping portion 17 corresponding to the first clamping portion 82, and the second clamping portion 17 is connected with the first clamping portion 82 in an adaptive manner, so that the fixing member 8 is clamped and fixed on the casing. Referring to fig. 18, the first clamping portion 82 is a clamping hook, the second clamping portion 17 is a clamping groove, and the clamping hook is matched with the clamping groove in a clamping manner, so that the fixing piece 8 is detachably connected with the casing.

Referring to fig. 19, an air duct member 5 is disposed inside the casing, an air outlet air duct 53 is formed inside the air duct member 5, an air duct outlet of the air outlet air duct 53 is correspondingly communicated with the indoor air outlet 16, a heat exchange air duct 18 is formed between an air duct inlet of the air outlet air duct 53 and the indoor air inlet, and the heat exchange air duct 18 is communicated with the air outlet air duct 53 to form an air duct. Wherein, indoor heat exchanger 2 sets up in heat transfer wind channel 18, and indoor fan 3 sets up on wind channel spare 5.

Specifically, in the present embodiment, the air channel member 5 includes the left volute tongue 51 and the right volute tongue 52, and the structure of the air channel member 5 can be realized by disposing the left volute tongue 51 and the right volute tongue 52 at a spacing. An air outlet air duct 53 is formed between the left volute tongue 51 and the right volute tongue 52, air duct inlets are formed at the rear ends of the left volute tongue 51 and the right volute tongue 52, air duct outlets are formed at the front ends of the left volute tongue 51 and the right volute tongue 52, after the indoor air exchanges heat with the indoor heat exchanger 2 in the heat exchange air duct 18, the indoor air after heat exchange can enter the air outlet air duct 53 through the air duct inlets and flow under the limitation of the air outlet air duct 53, and then flows out of the air duct outlets, so that the flowing direction and the flowing path of the indoor air after heat exchange in the air duct piece 5 are limited, and the normal air outlet of the indoor unit of the vertical air conditioner can be ensured.

Referring to fig. 20, in order to ensure the air output at the indoor air outlet 16 and facilitate the rotation of the first air guiding portion 41 and the second air guiding portion 42 of the multi-layer air guiding plate structure, an air outlet frame 9 is further disposed inside the casing, and an air outlet cavity is formed in the air outlet frame 9 and is communicated with the air outlet duct 53 and the indoor air outlet 16.

Specifically, the air outlet frame 9 includes a left air outlet frame 91, a right air outlet frame 92, a top air outlet frame and a bottom air outlet frame 93 that surround an air outlet, the top air outlet frame and the bottom air outlet frame 93 are disposed opposite to each other, and a first air guiding portion 41 and a second air guiding portion 42 are disposed therebetween. In this embodiment, after the air-out frame 9 projects on the horizontal plane, the left air-out frame 91 and the right air-out frame 92 are in an arc structure that is set relatively, and the openings of the two arc structures face each other, and an air-out grille 94 is connected between the left air-out frame 91 and the right air-out frame 92, and the air-out grille 94 is set near the air duct outlet. By arranging the air outlet frame, the width dimension of the air outlet is larger than that of the air outlet air duct 53, and the flaring form is formed, so that the air outlet is ensured, and the multi-layer air deflector structure is convenient to rotate.

In order to realize the rotation of the first air guiding part 41 and the second air guiding part 42, the indoor unit of the vertical air conditioner further comprises a driving device, the driving device comprises two first motors, the first motors are arranged in the shell, the first motors are arranged on one side, close to the top end of the shell, of the indoor air outlet 16, the first motors are provided with first motor output shafts, and the first motor output shafts are connected with the inner side of the top end of the first air guiding plate 6.

In order to improve the rotation stability of the first air guiding portion 41 and the second air guiding portion 42, the driving device further includes two second motors, the second motors are disposed in the casing, the second motors are disposed on one side of the indoor air outlet 16, which is close to the bottom end of the casing, the second motors are provided with second motor output shafts, and the second motor output shafts are connected with the inner side of the bottom end of the first air guiding plate 6. In this embodiment, referring to fig. 21, the top and bottom of the first air deflector 6 are provided with end rotating parts 661, and the end rotating parts 661 are used for connecting with the first motor output shaft and the second motor output shaft.

The inboard rotation portion 662 in the middle part that is equipped with of first aviation baffle sets up support piece 96 on the air-out grid, is equipped with well rotation hole 961 on the support piece 96, well rotation portion 662 and well rotation hole 961 adaptation are connected, have increased fixed position in well rotation portion 662 inserts well rotation hole 961, can improve the rotation stability of first aviation baffle 6, and then improved the stability of first wind-guiding portion 41 and second wind-guiding portion 42.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

The foregoing description, for purposes of explanation, has been presented in conjunction with specific embodiments. However, the illustrative discussions above are not intended to be exhaustive or to limit the embodiments to the precise forms disclosed above. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles and the practical application, to thereby enable others skilled in the art to best utilize the embodiments and various embodiments with various modifications as are suited to the particular use contemplated.

Claims (10)

1. A vertical air conditioner indoor unit, comprising:

the machine shell comprises an indoor air inlet and an indoor air outlet, wherein the top end and the bottom end of the machine shell are two ends which are oppositely arranged in the length direction of the machine shell, and the indoor air outlet extends along the length direction of the machine shell;

The indoor heat exchanger is arranged in the shell;

the indoor fan is arranged in the shell, the indoor fan drives indoor air to enter the shell through the indoor air inlet to exchange heat with the indoor heat exchanger, and the indoor air after heat exchange flows out through the indoor air outlet;

two wind-guiding portions, with the casing rotates to be connected, wind-guiding portion is followed the length direction of casing extends, two wind-guiding portion is followed the width direction of indoor air outlet lays, wind-guiding portion is including arranging in proper order:

the first air deflector is rotationally connected with the shell;

the second air deflector is connected to the plate surface of the first air deflector and is arranged at intervals with the first air deflector;

the third air deflector is connected to the plate surface of the second air deflector and is arranged at intervals with the second air deflector, the width dimension of the third air deflector is larger than that of the second air deflector, and the width dimension of the third air deflector is smaller than that of the first air deflector;

the two first air deflectors are in running fit to open or close the indoor air outlet, and when the indoor air outlet is closed, the third air deflector is located at one side, close to the indoor fan, of the first air deflectors.

2. The indoor unit of claim 1, wherein the third air guide plate is provided with a plurality of through holes, and the plurality of through holes penetrate through the third air guide plate in a thickness direction.

3. The indoor unit of claim 1, wherein the third air guide plate includes:

the first air guide surface is arranged at one side of the third air guide plate far away from the second air guide plate;

the second wind guide surface is arranged on one side, far away from the second wind guide plate, of the third wind guide plate, the first wind guide surface is connected with the second wind guide surface, and an included angle between the first wind guide surface and the second wind guide surface is an obtuse angle so as to change the flow direction of indoor wind flowing through the third wind guide plate.

4. The indoor unit of claim 3, wherein the side surface of the second air deflector, which is close to the third air deflector, is a cambered surface or the second air deflector comprises:

the third air guide surface is arranged on one side of the second air guide plate, which is close to the third air guide plate;

the fourth air guide surface is arranged on one side, close to the third air guide plate, of the second air guide plate, the third air guide surface is connected with the fourth air guide surface, and an included angle between the third air guide surface and the fourth air guide surface is an obtuse angle so as to change the flowing direction of indoor air flowing through the second air guide plate.

5. The indoor unit of claim 4, wherein an obtuse angle between the first air guiding surface and the second air guiding surface is β, and an opening of β is disposed in a direction away from the second air guiding plate; and/or, an obtuse angle between the third air guide surface and the fourth air guide surface is gamma, wherein the opening directions of the gamma and the gamma are the same, and the gamma is more than or equal to the beta.

6. The indoor unit of claim 3-5, wherein a fifth air guiding surface opposite to the first air guiding surface and a sixth air guiding surface opposite to the second air guiding surface are disposed on a side of the third air guiding plate facing the second air guiding plate, the fifth air guiding surface is connected to the sixth air guiding surface, and an obtuse angle α is formed between the fifth air guiding surface and the sixth air guiding surface, and an opening of α faces the third air guiding plate.

7. The indoor unit of claim 4 or 5, wherein a seventh air guiding surface opposite to the third air guiding surface and an eighth air guiding surface opposite to the fourth air guiding surface are disposed on a side of the second air guiding plate facing the first air guiding plate, the seventh air guiding surface is connected to the eighth air guiding surface, and an obtuse angle θ is formed between the seventh air guiding surface and the eighth air guiding surface, and an opening of θ faces the third air guiding plate.

8. A vertical air conditioner indoor unit, comprising:

the machine shell comprises an indoor air inlet and an indoor air outlet, wherein the top end and the bottom end of the machine shell are two ends which are oppositely arranged in the length direction of the machine shell, and the indoor air outlet extends along the length direction of the machine shell;

the indoor heat exchanger is arranged in the shell;

the indoor fan is arranged in the shell, the indoor fan drives indoor air to enter the shell through the indoor air inlet to exchange heat with the indoor heat exchanger, and the indoor air after heat exchange flows out through the indoor air outlet;

two wind-guiding portions, with the casing rotates to be connected, wind-guiding portion is followed the length direction of casing extends, two wind-guiding portion is followed the width direction of indoor air outlet lays, wind-guiding portion is including arranging in proper order:

the first air deflector is rotationally connected with the shell;

the second air deflector is connected to the plate surface of the first air deflector and is arranged at intervals with the first air deflector;

the third air deflector is connected to the plate surface of the second air deflector and is arranged at intervals with the second air deflector, the width dimension of the third air deflector is larger than that of the second air deflector, and the width dimension of the third air deflector is smaller than that of the first air deflector;

The connecting plate is connected between the second air deflector and the third air deflector, the second air deflector, the third air deflector and the connecting plate are surrounded to form a guide ring, and a guide channel for indoor air to flow is arranged in the guide ring;

wherein, the water conservancy diversion circle is provided with at least one.

9. The indoor unit of claim 8, wherein the second air deflector and the third air deflector are curved plates or bent plates.

10. The indoor unit of floor air conditioner according to claim 8 or 9, wherein the third air guide plate is provided with a plurality of through holes.