CN217685353U

CN217685353U - Indoor unit of air conditioner

Info

Publication number: CN217685353U
Application number: CN202221032388.XU
Authority: CN
Inventors: 殷乐; 王永涛; 张蕾; 黄满良
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-10-28
Anticipated expiration: 2032-04-29

Abstract

The utility model provides an air-conditioning indoor unit, including heat transfer wind channel, one or two air outlet chamber, one or two second air outlets and one or two bypass wind channels. The outlet of the heat exchange air duct is a first air outlet. Each air outlet cavity is arranged on one transverse side of the heat exchange air duct, and a mounting hole is formed in the lower portion of each air outlet cavity. Each second air outlet is arranged on the front cavity wall of one air outlet cavity and penetrates through the outer side of the air-conditioning indoor unit so as to supply air to the outer side of the air-conditioning indoor unit. Each bypass air channel is arranged on one transverse side of the heat exchange air channel and is communicated with the air outlet cavity and the heat exchange air channel. One end of the bypass air duct far away from the heat exchange air duct extends into the air outlet cavity through the mounting hole, so that the outlet of the bypass air duct is positioned at the lower part of the corresponding air outlet cavity. The outlet of the bypass air duct faces directly above or obliquely above, and the obliquely above direction is a direction gradually away from the heat exchange air duct. The utility model provides an indoor unit of air conditioner has not only increased the air-out scope, has reduced the amount of wind loss, makes the air-out more smooth and easy moreover, has improved user's travelling comfort.

Description

Indoor unit of air conditioner

Technical Field

The utility model relates to an air conditioning technology field especially relates to an air conditioning indoor unit.

Background

The air conditioner improves the living standard of people, brings cool air to people in hot summer, and enables people to live at a proper temperature, so that the mood, sleep, work and study of people are in a normal state. However, most of the existing air-conditioning indoor units are provided with an air outlet, air flow is blown out from the air outlet, the air supply mode is direct blowing of cool air, and the cool air is directly blown on a human body, so that the human body is uncomfortable and even sick. The air outlet range of one air outlet is also smaller, and the requirement of rapid cooling cannot be met.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problem, proposed the utility model discloses so as to provide an air conditioning indoor unit who overcomes above-mentioned problem or solve above-mentioned problem at least partially, not only increased the air-out scope, reduced the loss of amount of wind, make the air-out more smooth and easy moreover, improved user's travelling comfort.

Specifically, the utility model provides an indoor unit of air conditioner, including the heat transfer wind channel, the export in heat transfer wind channel is first air outlet, still includes:

each air outlet cavity is arranged on one transverse side of the heat exchange air duct, and a mounting hole is formed in the lower part of each air outlet cavity;

each second air outlet is arranged on the front cavity wall of one air outlet cavity and penetrates to the outer side of the indoor air conditioner unit so as to supply air to the outer side of the indoor air conditioner unit;

one or two bypass air channels, wherein each bypass air channel is arranged at one transverse side of the heat exchange air channel and is communicated with the air outlet cavity and the heat exchange air channel; one end of the bypass air duct, which is far away from the heat exchange air duct, extends into the air outlet cavity through the mounting hole, so that an outlet of the bypass air duct is positioned at the lower part of the corresponding air outlet cavity; the outlet of the bypass air duct faces directly above or obliquely above, and the obliquely above direction is a direction gradually away from the heat exchange air duct.

Optionally, each mounting hole is arranged at the lower part of the side wall of each air outlet cavity facing the heat exchange air duct; one end of each bypass air channel is connected to the side wall of the outlet end of the heat exchange air channel;

each bypass air channel comprises a straight pipe section and an extending section which are connected with each other, and the extending section is positioned in the air outlet cavity; each straight pipe section is arranged between one air outlet cavity and the heat exchange air duct, or part of each straight pipe section is arranged between one air outlet cavity and the heat exchange air duct, and the rest parts are arranged in the air outlet cavity.

Optionally, the extending section comprises an extending plate, a front plate and a rear plate, the extending plate extends upwards from the lower edge of one end of the straight pipe section and towards a direction far away from the straight pipe section, and the height of the highest part of the extending plate is smaller than that of the highest part of the straight pipe section; the front plate is connected with the front end edge of the extending plate and the front edge of the corresponding end of the straight pipe section, and the rear plate is connected with the rear end edge of the extending plate and the rear edge of the corresponding end of the straight pipe section.

Optionally, a projection of the rear wall surface of the air outlet cavity on a plane perpendicular to the transverse direction is a first arc, and a circle center of the first arc is located on the front side or the front lower side of the first arc; the upper end of the rear wall surface of the air outlet cavity is the highest point of the air outlet cavity, and the lower end of the rear wall surface of the air outlet cavity is the lowest point of the air outlet cavity.

Optionally, the air-conditioning indoor unit further includes a plurality of air distribution plates, and each second air outlet is a long strip-shaped air outlet extending in the up-down direction;

the plurality of air distribution plates are sequentially arranged in one air outlet cavity at intervals along the vertical direction, and divide the corresponding second air outlet into a plurality of air outlet areas;

the front end of each air distribution plate is positioned in front of and above the rear end.

the plurality of air distribution plates are sequentially arranged in the corresponding air outlet cavities at intervals along the vertical direction; the front end of each air distribution plate is rotatably arranged in the corresponding second air outlet around a horizontal axis, or the front end of each air distribution plate is rotatably arranged on the front cavity wall of the corresponding air outlet cavity around the horizontal axis.

Optionally, a plurality of parallel-arranged rectifying ribs are arranged at an inlet of each bypass air duct, the cross section of each rectifying rib is trapezoidal, and the side with the larger area of the two parallel sides of each rectifying rib faces the outlet of the bypass air duct.

Optionally, the air conditioning indoor unit further comprises a cross-flow fan, and the cross-flow fan is provided with a volute tongue for limiting the heat exchange air duct; the volute tongue comprises a first section arranged on the outer side of a cross-flow wind wheel of the cross-flow fan and a second section which is connected with the first section and used for guiding airflow passing through the cross-flow wind wheel to flow out;

the said straightening ribs are parallel to the second section or the angle between the said straightening ribs and the said second section is less than 5 °.

Optionally, the indoor unit of the air conditioner further comprises a casing, and the heat exchange air duct is located in the casing; the first air outlet and the second air outlet are positioned on the shell;

the shell comprises one or two side boxes, each side box is positioned on one transverse side of the heat exchange air duct, the air outlet cavity is formed in each side box, and the second air outlet is formed in the front surface of the corresponding side box; the shell further comprises a framework, a cover shell and a front panel, wherein the cover shell is arranged on the framework, and the front panel is arranged on the cover shell; each side box is arranged on the framework and one lateral side of the housing, and the heat exchange air duct is positioned in a space defined by the housing and the framework.

Optionally, the indoor unit of an air conditioner further includes a swing blade device, the swing blade device includes one or more swing blade groups sequentially arranged in the transverse direction, and each of the swing blade groups includes a plurality of swing blade blades arranged in the heat exchange air duct and sequentially arranged in the transverse direction.

The utility model discloses an among the air conditioning indoor set, from the air current in the heat transfer wind channel through bypass wind channel and air-out chamber to flow from the second air outlet, can realize the wide-angle air supply, increased the air-out scope, satisfy rapid cooling's demand. Because the outlet of the bypass air channel is positioned at the lower part of the air outlet cavity, the air outlet cavity is convenient to be filled with air flow, the air quantity loss is reduced, and the air flow flows more smoothly and is convenient for air outlet.

Further, the utility model discloses an air conditioning indoor set is preferably wall-hanging air conditioning indoor set.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

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

fig. 2 is a schematic cross-sectional view of an air guide plate of an air conditioning indoor unit according to an embodiment of the present invention, opened;

fig. 3 is a schematic cross-sectional view of an air guide plate of an indoor unit of an air conditioner according to an embodiment of the present invention, not completely closed;

fig. 4 is a schematic block diagram of a bypass duct according to an embodiment of the present invention;

fig. 5 is a schematic front view structural diagram of an air conditioning indoor unit according to an embodiment of the present invention;

fig. 6 is a schematic cross-sectional view of an air conditioning indoor unit according to an embodiment of the present invention;

fig. 7 is a schematic structural view of an air outlet cavity and air distribution plate according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a framework of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 9 is a schematic exploded view of an air conditioning indoor unit according to an embodiment of the present invention.

Detailed Description

An air conditioning indoor unit according to an embodiment of the present invention is described below with reference to fig. 1 to 9. In the description of the present embodiments, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature, i.e. one or more such features. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise. When a feature "comprises or comprises" a or some of its intended features, this indicates that other features are not excluded and that other features may be further included, unless expressly stated otherwise.

Unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," "secured," "coupled," and the like are to be construed broadly and encompass, for example, both fixed and removable connection or integration; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. Those skilled in the art should understand the specific meaning of the above terms in the present invention according to specific situations.

Further, in the description of the present embodiments, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact via another feature therebetween. That is, in the description of the present embodiment, the first feature being "on", "above" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is higher in level than the second feature. A first feature "under," "beneath," or "beneath" a second feature may be directly under or obliquely under the first feature, or simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiments, reference to the description of "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Fig. 1 is a schematic structural view of an air conditioning indoor unit according to an embodiment of the present invention, as shown in fig. 1, and referring to fig. 2 to 9, an embodiment of the present invention provides an air conditioning indoor unit 100 including a heat exchange duct 102, one or two air outlet chambers 105, one or two second air outlets 106, and one or two bypass ducts 104. The outlet of the heat exchange air duct 102 is a first air outlet 103. Each air outlet cavity 105 is arranged at one lateral side of the heat exchange air duct 102, and a mounting hole is arranged at the lower part of each air outlet cavity 105. Each second air outlet 106 is disposed on a front cavity wall of one air outlet cavity 105, and penetrates through the outside of the indoor air conditioner 100 to supply air to the outside of the indoor air conditioner 100. Each bypass air duct 104 is disposed at one lateral side of the heat exchange air duct 102, and the bypass air duct 104 communicates the air outlet cavity 105 and the heat exchange air duct 102. One end of the bypass air duct 104 far from the heat exchange air duct 102 extends into the air outlet cavity 105 through the mounting hole, so that the outlet of the bypass air duct 104 is located at the lower part of the corresponding air outlet cavity 105. The outlet of the bypass air duct 104 faces directly above or the outlet of the bypass air duct 104 faces obliquely above, and the obliquely above direction is a direction gradually away from the heat exchange air duct 102.

The utility model discloses in the air conditioning indoor unit 100, from the air current in the heat transfer wind channel 102 through bypass wind channel 104 and air-out chamber 105 to flow from second air outlet 106, can realize the wide-angle air supply, increased the air-out scope, satisfy rapid cooling's demand. Because the outlet of the bypass air duct 104 is located at the lower part of the air outlet cavity 105, the air outlet cavity 105 is filled with airflow conveniently, the air loss is reduced, and the airflow flows more smoothly and is convenient for air outlet.

In some embodiments of the present invention, as shown in fig. 2 and 3, the indoor unit 100 of the air conditioner further includes a heat exchanger 101. Heat exchanger 101 is disposed within heat exchange air duct 102. Each bypass air duct 104 receives the air flow in the heat exchange air duct 102 after heat exchange with the heat exchanger 101.

The utility model discloses in the indoor set of air conditioner 100, the air current after carrying out the heat exchange with heat exchanger 101 from heat transfer wind channel 102 passes through first air outlet 103 and one or two second air outlets 106 discharge indoor set of air conditioner 100 for indoor set of air conditioner 100 has two at least air-out modes, for example only from the air-out mode of second air outlet 106 air supply, because bypass wind channel 104 and air-out chamber 105 exist, can make the air supply of second air outlet 106 realize the calm, improve user's travelling comfort. For example, the second air outlet 106 and the first air outlet 103 can simultaneously supply air, and the opening degree of the first air outlet 103 is small, so that another type of non-wind-sensation air supply can be realized. For another example, the second air outlet 106 and the first air outlet 103 supply air simultaneously, and the opening degree of the first air outlet 103 is large, so that rapid air supply is realized, and the air supply angle is large, so that the air supply range is large. Preferably, the air outlet cavity 105 and the bypass air duct 104 are both two, so that non-wind-feeling air supply, large-angle air supply, rapid air supply and the like are further facilitated, and air flow diffusion and the like are facilitated.

Moreover, the first air outlet 103 and the second air outlet 106 share the heat exchange air duct 102, so that heat exchange of the heat exchanger 101 is uniform in various air outlet modes, and the problem of local frosting of the heat exchanger 101 is effectively solved. Further, the indoor unit 100 includes a fan that causes airflow to pass through the heat exchange air duct 102, the first air outlet 103, and the second air outlet 106. For example, the fan may be a crossflow fan. Volute 108 and volute tongue 109 of the crossflow blower define part or all of heat exchange duct 102, and crossflow wind wheel 107 of the crossflow blower is disposed within heat exchange duct 102.

In some embodiments of the present invention, each mounting hole is disposed at a lower portion of the sidewall of each air outlet cavity 105 facing the heat exchange air duct 102. One end of each bypass air duct 104 is connected to the outlet end side wall of the heat exchange air duct 102. As shown in fig. 4, each bypass duct 104 includes a straight duct section 118 and an inlet section 119 connected to each other, the inlet section 119 being located within the outlet chamber 105. Each straight pipe section 118 is positioned between one air outlet cavity 105 and the heat exchange air duct 102, or part of each straight pipe section 118 is positioned between one air outlet cavity 105 and the heat exchange air duct 102, and the rest part is positioned in the air outlet cavity 105. The protruding section 119 is located in the air outlet cavity 105, so that the airflow can enter the air outlet cavity 105 and then be discharged from the second air outlet 106. Preferably, the straight pipe section 118 is integrally formed with the extending section 119, so that the structure is simple and the design and manufacturing are convenient.

In some embodiments of the present invention, as shown in fig. 4, the extending section 119 includes an extending plate 120, a front plate 123 and a rear plate 124, the extending plate 120 extends upward from a lower edge of one end of the straight pipe section 118 and in a direction away from the straight pipe section 118, and a height of a highest portion of the extending plate 120 is smaller than a height of a highest portion of the straight pipe section 118. The front plate 123 connects the front end edge of the entry plate 120 with the front edge of the respective end of the straight tube section 118, and the rear plate 124 connects the rear end edge of the entry plate 120 with the rear edge of the respective end of the straight tube section 118. The air flow in the heat exchange air duct 102 flows through the straight pipe section 118 and the extending section 119 and enters the lower part of the air outlet cavity 105, so that the air outlet cavity 105 can be filled with the air flow, the air volume loss is reduced, the air flow is smoother, and the air outlet is facilitated.

In some embodiments of the present invention, as shown in fig. 7, a projection of the rear wall surface of the air outlet cavity 105 on a plane perpendicular to the transverse direction is a first circular arc, and a center of the first circular arc is located at a front side or a front lower side of the first circular arc. The upper end of the rear wall surface of the air outlet cavity 105 is the highest point of the air outlet cavity 105, and the lower end is the lowest point of the air outlet cavity 105. For example, the radius of the first circular arc is 450mm to 550mm, and the corresponding central angle of the first circular arc is 30 degrees to 40 degrees. Preferably, the radius of the first arc is 500mm, and the corresponding central angle of the first arc is 35 degrees, so that the airflow in the air outlet cavity 105 can flow to the second air outlet 106 more smoothly, and the wind resistance is reduced.

In some embodiments of the present invention, in order to supply air to the second air outlet 106 as reasonably and uniformly as possible, as shown in fig. 7, the indoor unit 100 of the air conditioner further includes a plurality of air distribution plates 117, and each second air outlet 106 is an elongated air outlet extending in the up-down direction. The plurality of air distribution plates 117 are sequentially arranged in the air outlet cavity 105 at intervals in the vertical direction, and the corresponding second air outlet 106 is divided into a plurality of air outlet areas by the plurality of air distribution plates 117. The front end of each air distribution plate 117 is positioned above and in front of the rear end. The projection of the air distribution plate 117 on the plane perpendicular to the transverse direction is a second circular arc, the center of the second circular arc is located on the front side or the front lower side of the second circular arc, the diameter of the second circular arc is 150mm to 250mm, and the linear distance between the front end and the rear end is 30mm to 50mm. Preferably, the diameter of the second arc is 200mm and the linear distance between the front end and the rear end is 40mm. The plurality of air distribution plates 117 are arranged in parallel, and in two adjacent air distribution plates 117, the rear end of the upper air distribution plate 117 is positioned above and behind the rear end of the lower air distribution plate 117.

Furthermore, the front end of each air distribution plate 117 is rotatably disposed in the corresponding second air outlet 106 around the horizontal axis, or the front end of each air distribution plate 117 is rotatably disposed on the front cavity wall of the corresponding air outlet cavity 105 around the horizontal axis, so that the air outlet angle of the second air outlet 106 is adjustable, different use requirements of users are met, and the comfort of the users is increased. For example, the air conditioning indoor unit 100 further includes a rack and a plurality of gears engaged with the rack, each of the gears is fixedly connected to one of the air distribution plates 117, and each of the gears is coaxial with the rotation axis of the corresponding air distribution plate 117. When the air outlet angle of the second air outlet 106 needs to be adjusted, the rack moves to drive the plurality of gears to rotate, and then the plurality of air distribution plates 117 are driven to swing, so that air is discharged at different angles, different use requirements of users are met, and the comfort of the users is improved. In order to adjust the air outlet angle, a handle is arranged on the rack, and the handle is pulled to move to drive the gears to rotate, so that the air distribution plates 117 are driven to synchronously swing along the vertical direction. In some preferred embodiments, the plurality of air distribution plates 117 may be driven by a driving device such as a motor to synchronously swing, so as to achieve automatic adjustment.

In some embodiments of the present invention, as shown in fig. 2 and 6, the inlet of each bypass duct 104 is provided with a plurality of parallel-arranged rectifying ribs 125, the cross section of each rectifying rib 125 is trapezoidal, and the side with a larger area in two parallel sides of the rectifying ribs 125 faces the outlet of the bypass duct 104, so that the airflow can flow into the bypass duct 104 and then be discharged from the second air outlet 106. For example, the width of the larger of the two parallel sides of the straightening rib 125 is 1.8mm to 2.2mm. Preferably 2mm. The width of the smaller of the two parallel side surfaces of the straightening rib 125 is 1.5mm to 2mm. Preferably 1.7mm. The distance between each two adjacent straightening ribs 125 is 14mm to 16mm. Preferably 15mm. The flow-straightening ribs 125 guide the airflow into the bypass duct 104, and make the airflow smoother and without turbulence.

In some embodiments of the present invention, as shown in fig. 2 and 3, the volute tongue 109 includes a first section 126 disposed outside the cross-flow wind wheel 107 of the cross-flow fan, and a second section 127 connected to the first section 126 for guiding the airflow passing through the cross-flow wind wheel 107 to flow out. The fairing ribs 125 are parallel to the second section 127 or the angle between the fairing ribs 125 and the second section 127 is less than 5 °. In other embodiments of the present invention, as shown in fig. 6, the fairing ribs 125 are perpendicular to the second section 127, or the angle between the fairing ribs 125 and the second section 127 is 85 ° to 95 °.

In some embodiments of the present invention, as shown in fig. 5, the indoor unit 100 of the air conditioner further includes a casing, and the heat exchange air duct 102 is located in the casing. The first air outlet 103 and the second air outlet 106 are located on the housing. The housing comprises one or two side boxes 111, each side box 111 is located on one lateral side of the heat exchange air duct 102, an air outlet cavity 105 is arranged in each side box 111, and the second air outlet 106 is arranged on the front surface of the corresponding side box 111. As shown in fig. 9, the housing further includes a framework 114, a cover 115, and a front panel 116, where the cover 115 is disposed on the framework 114, and the front panel 116 is disposed on the cover 115. Each side box 111 is arranged at one lateral side of the framework 114 and the casing 115, and the heat exchange air duct 102 is arranged in a space defined by the casing 115 and the framework 114. The second air outlet 106 is disposed on the front surface of the side box 111, so as to enhance the space utilization of the indoor unit 100 of the air conditioner on the basis of ensuring effective air outlet, and the side box 111 has a simple structure, is convenient for design and manufacture, and is convenient for installation and disassembly.

In some embodiments of the present invention, as shown in fig. 3 and 9, the air conditioning indoor unit 100 further includes a swinging blade device 121, the swinging blade device 121 includes one or more swinging blade sets that are sequentially arranged along the transverse direction, and each swinging blade set includes a plurality of swinging blade blades 122 that are arranged in the heat exchange air duct 102 and are sequentially arranged along the transverse direction. The plurality of swing blade blades 122 of each of the swing blade groups may be connected by a swing blade link to perform synchronous swing. The number of the swing blade groups is at least two, and the swing blade groups are used for respectively supplying air to the two bypass air ducts 104.

The swing blade device 121 further includes one or more driving transmission assemblies, and each driving rotation assembly drives the swing blade 122 of one swing blade group to swing synchronously. In other embodiments of the present invention, the swing blade device 121 includes one or more hand-held devices, and the hand-held devices are used to drive each swing blade link to move, so as to swing the corresponding swing blade 122.

In some embodiments of the present invention, as shown in fig. 1 to 3, 6 and 7, the first air outlet 103 is provided with an air deflector 110, and the air deflector 110 is configured to open and close the first air outlet 103, so that the first air outlet 103 has different opening degrees, and the indoor unit 100 of the air conditioner has different air outlet modes. Specifically, the first outlet 103 has an opening degree greater than a first percentage, so that the indoor air conditioning unit 100 has a first outlet mode, and the first outlet 103 has an opening degree smaller than a second percentage, so that the indoor air conditioning unit 100 has a second outlet mode. The first percentage is greater than or equal to the second percentage. For example, the first percentage is 20% to 40%, the second percentage is 20% or 5%, preferably, both the first and second percentages are 20%. The ratio between the air output of the second outlet 106 and the air output of the first outlet 103 in the second outlet mode is greater than the ratio between the air output of the second outlet 106 and the air output of the first outlet 103 in the first outlet mode. By adjusting the opening degree of the first air outlet 103, the ratio between the air output of the first air outlet 103 and the air output of the second air outlet 106 is adjusted, so that the use requirements of different air supply modes are met.

At least in the second air outlet mode, under the action of the air deflector 110, the air outlet amount between the upper edge of the air deflector 110 and the upper edge of the first air outlet 103 is greater than the air outlet amount between the lower edge of the air deflector 110 and the lower edge of the first air outlet 103. Set up like this for the second air-out mode can be for the no wind sense air supply, and realizes that the refrigeration wind is flat to be blown and does not blow the people, improves user's travelling comfort. Moreover, the opening degree of the air deflector 110 is controlled, so that the air deflector 110 is located at a proper position, condensation can be prevented, for example, the second percentage is 10%, condensation can be prevented, meanwhile, the air of the first air outlet 103 is blocked, and most of the air is blown out through the second air outlet 106, so that refrigeration flat blowing without blowing is realized, the air outlet range is enlarged, and the comfort of a user is improved. The ratio of the rotating speed of the cross flow fan in the second air outlet mode to the rotating speed of the cross flow fan in the first air outlet mode is 1.2-1.8. Preferably, the ratio is 1.5.

In some embodiments of the present invention, as shown in fig. 9, the indoor unit 100 of the air conditioner further includes a fan motor 133, an electric control box 134, a pipe pressure plate 135, a wall hanging plate 136, a dust filter 137, another air deflector disposed at the first outlet air 103 and inside the air deflector 110, and so on. The fan motor 133 is used to drive the cross-flow fan. A fan motor 133 and an electronic control box 134 are arranged in the heat exchange air duct 102.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims

1. The utility model provides an indoor unit of air conditioner, includes the heat transfer wind channel, the export in heat transfer wind channel is first air outlet, its characterized in that still includes:

each second air outlet is arranged on the front cavity wall of one air outlet cavity and penetrates to the outer side of the air-conditioning indoor unit so as to supply air to the outer side of the air-conditioning indoor unit;

one or two bypass air channels, wherein each bypass air channel is arranged at one lateral side of the heat exchange air channel and is communicated with the air outlet cavity and the heat exchange air channel; one end of the bypass air duct, which is far away from the heat exchange air duct, extends into the air outlet cavity through the mounting hole, so that an outlet of the bypass air duct is positioned at the lower part of the corresponding air outlet cavity; the outlet of the bypass air duct faces upwards.

2. An indoor unit of an air conditioner according to claim 1,

the outlet of the bypass air duct faces to the right upper part; or the outlet of the bypass air duct faces obliquely upward, the obliquely upward direction is a direction gradually away from the heat exchange air duct, or the obliquely upward direction is a rear upward direction or a front upward direction, or the obliquely upward direction is a direction gradually away from the heat exchange air duct, and the upward direction is a direction gradually away from the heat exchange air duct;

each mounting hole is arranged at the lower part of the side wall of each air outlet cavity facing the heat exchange air duct; one end of each bypass air channel is connected to the side wall of the outlet end of the heat exchange air channel;

each bypass air channel comprises a straight pipe section and an extending section which are connected with each other, and the extending section is positioned in the air outlet cavity; each straight pipe section is positioned between one air outlet cavity and the heat exchange air channel, or part of each straight pipe section is positioned between one air outlet cavity and the heat exchange air channel, and the rest parts are positioned in the air outlet cavity.

3. An indoor unit of an air conditioner according to claim 2,

the extending section comprises an extending plate, a front plate and a rear plate, the extending plate extends upwards from the lower edge of one end of the straight pipe section and extends towards the direction far away from the straight pipe section, and the height of the highest part of the extending plate is smaller than that of the highest part of the straight pipe section; the front plate is connected with the front end edge of the extending plate and the front edge of the corresponding end of the straight pipe section, and the rear plate is connected with the rear end edge of the extending plate and the rear edge of the corresponding end of the straight pipe section.

4. An indoor unit of an air conditioner according to claim 1,

the projection of the rear wall surface of the air outlet cavity on a plane perpendicular to the transverse direction is a first circular arc, and the center of the first circular arc is positioned at the front side or the front lower side of the first circular arc; the upper end of the rear wall surface of the air outlet cavity is the highest point of the air outlet cavity, and the lower end of the rear wall surface of the air outlet cavity is the lowest point of the air outlet cavity.

5. An indoor unit of an air conditioner as claimed in claim 1, further comprising a plurality of air distribution plates, wherein each of the second outlets is a strip-shaped outlet extending in an up-down direction;

6. An indoor unit of an air conditioner according to claim 1, further comprising a plurality of air distribution plates, wherein each of the second outlets is a strip-shaped outlet extending in an up-down direction;

the plurality of air distribution plates are sequentially arranged in the corresponding air outlet cavities at intervals along the vertical direction; the front end of each wind distribution plate is rotatably arranged in the corresponding second air outlet around a horizontal axis, or the front end of each wind distribution plate is rotatably arranged on the front cavity wall of the corresponding air outlet cavity around the horizontal axis.

7. An indoor unit of an air conditioner according to claim 1,

a plurality of parallel rectifying ribs are arranged at the inlet of each bypass air channel, the cross section of each rectifying rib is trapezoidal, and the side face with larger area in the two parallel side faces of each rectifying rib faces the outlet of each bypass air channel.

8. An indoor unit of an air conditioner according to claim 7, further comprising a cross-flow fan having a scroll tongue for defining the heat exchange duct; the volute tongue comprises a first section arranged on the outer side of a cross-flow wind wheel of the cross-flow fan and a second section which is connected with the first section and used for guiding airflow passing through the cross-flow wind wheel to flow out;

9. An indoor unit of an air conditioner as claimed in claim 1, further comprising a casing, wherein the heat exchange air duct is located in the casing; the first air outlet and the second air outlet are positioned on the shell;

the shell comprises one or two side boxes, each side box is positioned on one transverse side of the heat exchange air duct, the air outlet cavity is formed in each side box, and the second air outlets are formed in the front surfaces of the corresponding side boxes; the shell further comprises a framework, a housing and a front panel, wherein the housing is arranged on the framework, and the front panel is arranged on the housing; each side box is arranged on the framework and one transverse side of the housing, and the heat exchange air duct is positioned in a space defined by the housing and the framework.

10. An indoor unit of an air conditioner according to claim 1, further comprising a swing blade device, wherein the swing blade device comprises one or more swing blade groups arranged in sequence along the transverse direction, and each swing blade group comprises a plurality of swing blade blades arranged in the heat exchange air duct in sequence along the transverse direction.