CN217817053U - Indoor unit of air conditioner - Google Patents

Abstract

The utility model provides an air conditioner indoor unit, comprising a heat exchanger, a heat exchange air channel, a first air outlet, one or two bypass air channels, one or two air outlet chambers and one or two second air outlets . The outlet of the heat exchange air channel is the first air outlet. The heat exchanger is arranged in the heat exchange air channel. Each bypass channel is arranged on a lateral side of the heat exchange air channel, and each bypass channel communicates with the heat exchange air channel to receive the airflow in the heat exchange air channel after heat exchange with the heat exchanger. Each air outlet chamber communicates with a bypass air passage. Each second air outlet is arranged on the cavity wall of an air outlet cavity, and penetrates to the outside of the air conditioner indoor unit, so as to supply air to the outside of the air conditioner indoor unit. The air-conditioning indoor unit provided by the utility model can avoid direct blowing of cold wind, increase the air outlet range, and improve user comfort.

Description

air conditioner indoor unit

technical field

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

Background technique

Air conditioning improves people's living standards, brings cool air to people in hot summer, and makes people live at a suitable temperature, so that their mood, sleep, work, and study are all in a normal state. However, most of the current air-conditioning indoor units have one air outlet, especially the wall-mounted air-conditioning indoor unit, and the airflow is blown out from one air outlet. The air flow is blown out from an air outlet, and the air supply mode is direct blowing of cool wind, which directly blows on the body of the person, making the person uncomfortable or even sick. The air outlet range of one air outlet is also small, which cannot meet the demand for rapid cooling.

Utility model content

In view of the above problems, the utility model is proposed to provide an air conditioner indoor unit that overcomes the above problems or at least partly solves the above problems, which can avoid direct blowing of cold wind, increase the range of air outlet, and improve user comfort.

Specifically, the utility model provides an air conditioner indoor unit, which includes a heat exchanger and a heat exchange air channel, the outlet of the heat exchange air channel is the first air outlet, and the heat exchanger is arranged on the heat exchange air channel. In the road, it also includes:

One or two bypass channels, each of which is arranged on one lateral side of the heat exchange air channel, and each of the bypass channels communicates with the heat exchange air channel to receive the heat exchange air The air flow after heat exchange with the heat exchanger in the channel;

One or two air outlet chambers, each of the air outlet chambers communicates with one of the bypass air passages;

One or two second air outlets, each of the second air outlets is arranged on the wall of one of the air outlet chambers, and penetrates to the outside of the air-conditioning indoor unit, so as to extend to the outside of the air-conditioning indoor unit air supply.

Optionally, each of the bypass passages is connected to the side wall of the outlet end of the heat exchange air passage; each of the air outlet chambers is arranged on one lateral side of the heat exchange air passage, and each of the The air outlet cavity communicates with the heat exchange air channel at its lower end; in the transverse direction, each of the bypass air channels is arranged between the corresponding air outlet cavity and the heat exchange air channel; Both the chamber and the bypass channel are two.

Optionally, the air conditioner indoor unit further includes a casing, the heat exchanger and the heat exchange air duct are located in the casing; the first air outlet and the second air outlet are located in the casing Above; the first air outlet is arranged at the bottom of the housing, and is a long strip-shaped air outlet extending in the lateral direction; each of the second air outlets is a long strip-shaped air outlet extending in the up-down direction.

Optionally, the first air outlet blows air forward and/or forward and downward, and the second air outlet blows air forward and/or forward and downward; each of the second air outlets is arranged on the On one lateral side of the first air outlet, the second air outlet is disposed on the front surface of the housing.

Optionally, a wind deflector is provided at the first air outlet, and the wind deflector is configured to open and close the first air outlet, so that the first air outlet has an opening of more than a first percentage. degree, so that the air-conditioning indoor unit has a first air outlet mode, and the first air outlet has an opening degree smaller than the second percentage, so that the air-conditioning indoor unit has a second air outlet mode; A percentage is greater than or equal to the second percentage; in the second air outlet mode, the ratio between the air output of the second air outlet and the air output of the first air outlet is greater than the ratio between the air output of the first air outlet The ratio between the air volume of the second air outlet and the air volume of the first air outlet in the first air outlet mode; at least in the second air outlet mode, the effect of the air deflector Next, the air flow rate between the upper edge of the air deflector and the upper edge of the first air outlet is greater than the air flow between the lower edge of the air guide plate and the lower edge of the first air outlet.

Optionally, the air-conditioning indoor unit further includes a bypass air pipe, and the inner space of the bypass air pipe is the bypass air channel; the housing includes one or two side boxes, and each side box is located in the On one lateral side of the heat exchange air duct, each of the side boxes has the air outlet cavity, and the second air outlet is arranged on the front surface of the corresponding side box;

The casing also includes a frame, a cover and a front panel, the cover is arranged on the frame, the front panel is arranged on the cover; each of the side boxes is arranged on the frame and the The heat exchange air passage is located in the space defined by the casing and the framework.

Optionally, the heat exchange air duct includes a first air duct section and a second air duct section for receiving the airflow of the first air duct section; along the transverse direction, the width of the second air duct section greater than the width of the first air duct section; along the transverse direction, one side of the first air duct section is flush with one side of the second air duct section;

Each bypass channel is connected to one side of the second air channel section.

Optionally, each of the second air outlets is provided with a plurality of partition bars arranged at intervals along the up-down direction, so as to divide each of the second air outlets into a plurality of grill holes arranged in sequence along the up-down direction, Each of the grill holes extends in a transverse direction.

Optionally, each of the second air outlets is provided with a plurality of first partition bars spaced along the vertical direction and a plurality of second partition bars spaced along the lateral direction, so that each of the second air outlets The tuyere is divided into a plurality of grill holes, and each of the grill holes extends along the up and down direction.

Optionally, each of the side boxes includes a box body with an opening and a cover provided at the opening of the box body;

Part or all of the second air outlet is arranged on the box cover; the box cover is integrally formed with the front panel.

In the air-conditioning indoor unit of the utility model, the airflow after heat exchange with the heat exchanger in the heat-exchanging air channel is discharged from the air-conditioning indoor unit through the first air outlet and one or two second air outlets, so that the air-conditioning indoor unit has at least Two outlet modes. Due to the existence of the bypass air channel and the air outlet chamber, the air supply from the second air outlet can be realized to be windless, avoiding direct blowing of cold wind, and improving the user's comfort. The first air outlet and the second air outlet output air at the same time, so that the air outlet angle of the indoor unit of the air conditioner is enlarged, and the air outlet range is also increased, thereby increasing the cooling and heating speed.

Further, in the indoor unit of the air conditioner of the present invention, since the first air outlet and the second air outlet share the heat exchange air passage, the heat exchange of the heat exchanger is even in various air outlet modes, effectively avoiding the partial heat exchange of the heat exchanger. Frosting problem.

Furthermore, in the air conditioner indoor unit of the present utility model, through the opening and closing of the air guide plate of the first air outlet, the wind in the heat exchange air duct can be reasonably distributed to achieve the corresponding air supply effect, such as windless air supply Wait.

Furthermore, in the indoor unit of the air conditioner of the present invention, the special structure and position of the first air outlet and the second air outlet can realize that the cooling air blows flatly without blowing people, and improves user comfort.

Further, the air conditioner indoor unit of the present invention is preferably a wall-mounted air conditioner indoor unit.

According to the following detailed description of specific embodiments of the utility model in conjunction with the accompanying drawings, those skilled in the art will be more aware of the above and other objectives, advantages and features of the utility model.

Description of drawings

Hereinafter, some specific embodiments of the present utility model will be described in detail in an exemplary rather than restrictive manner with reference to the accompanying drawings. The same reference numerals in the drawings designate the same or similar parts or parts. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the attached picture:

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

Fig. 2 is a schematic cross-sectional view of an air-conditioning indoor unit according to an embodiment of the utility model with the air deflector opened;

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

Fig. 4 is a schematic structural diagram of a side box according to an embodiment of the present invention;

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

Fig. 6 is a schematic structural diagram of an air outlet cavity and an air distribution plate of an air conditioner indoor unit according to an embodiment of the present invention;

Fig. 7 is a schematic cross-sectional view of an air conditioner indoor unit according to an embodiment of the present invention;

Fig. 8 is a schematic structural diagram of a skeleton of an air conditioner indoor unit according to an embodiment of the present invention;

Fig. 9 is a schematic structural diagram of a leaf swing device of an air conditioner indoor unit according to an embodiment of the present invention;

Fig. 10 is a schematic exploded view of an air conditioner indoor unit according to an embodiment of the present invention;

Fig. 11 is a schematic exploded view of an air conditioner indoor unit according to another embodiment of the present invention.

Detailed ways

The air conditioner indoor unit according to the embodiment of the present invention will be described below with reference to FIG. 1 to FIG. 11 . In the description of this embodiment, it should be understood that the terms "first" and "second" are only used for descriptive purposes, and cannot be interpreted as indicating or implying relative importance or implicitly indicating the number of indicated technical features . Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features, that is, include one or more of the features. In the description of the present utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined. When a feature "comprises or comprises" one or some of the features it encompasses, unless specifically stated otherwise, this indicates that other features are not excluded and that other features may be further included.

Unless otherwise expressly specified and limited, terms such as "disposed", "installed", "connected", "connected", "fixed" and "coupled" should be interpreted in a broad sense, for example, it may be a fixed connection or a detachable Disassembled to connect, or in one piece. It can be a mechanical connection or an electrical connection. It may be a direct connection, or an indirect connection through an intermediary, or an internal communication between two elements or an interaction relationship between two elements, unless otherwise clearly defined. Those of ordinary skill in the art should be able to understand the specific meanings of the above terms in the present utility model according to specific situations.

In addition, in the description of this embodiment, the first feature being "on" or "under" the second feature may include that the first and second features are in direct contact, and may also include that the first and second features are not in direct contact but is through additional feature contacts between them. That is to say, in the description of this embodiment, the first feature being "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply indicating the level of the first feature The height is higher than the second feature. "Below", "beneath" or "beneath" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

In the description of this embodiment, references to the terms "one embodiment," "some embodiments," "exemplary embodiments," "examples," "specific examples," or "some The specific features, structures, materials or features described in the embodiments or examples are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific 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 diagram of an air-conditioning indoor unit according to an embodiment of the present invention. As shown in Fig. 1 and referring to Figs. Heater 101 , heat exchange air channel 102 , first air outlet 103 , one or two bypass air channels 104 , one or two air outlet chambers 105 and one or two second air outlets 106 . The heat exchanger 101 is disposed in the heat exchange air duct 102 . The outlet of the heat exchange air channel 102 is the first air outlet 103 . Each bypass air channel 104 is arranged on one lateral side of the heat exchange air channel 102, and each bypass air channel 104 communicates with the heat exchange air channel 102 to receive heat exchanged with the heat exchanger 101 in the heat exchange air channel 102. airflow. Each air outlet chamber 105 communicates with a bypass air passage 104 . Each second air outlet 106 is disposed on a wall of an air outlet chamber 105 , and penetrates to the outside of the air conditioner indoor unit 100 to supply air to the outside of the air conditioner indoor unit 100 .

In the air conditioner indoor unit 100 of the embodiment of the present utility model, the airflow after heat exchange with the heat exchanger 101 in the heat exchange air channel 102 is discharged out of the air conditioner room through the first air outlet 103 and one or two second air outlets 106 machine 100, so that the air conditioner indoor unit 100 has at least two air outlet modes, for example, the air outlet mode that only sends air from the second air outlet 106. Due to the existence of the bypass air passage 104 and the air outlet cavity 105, the second air outlet can be The air supply of 106 can realize the windless feeling and improve the user's comfort. Also for example, the second air outlet 106 and the first air outlet 103 supply air at the same time, and the opening of the first air outlet 103 is relatively small, so another kind of windless air supply can also be realized. For another example, the second air outlet 106 and the first air outlet 103 supply air at the same time, and the opening of the first air outlet 103 is relatively large to realize rapid air supply, and the air supply angle is large, so that the air supply range is large. Preferably, there are two air outlet chambers 105 and two bypass air ducts 104, which further facilitates windless air supply, large-angle air supply, rapid air supply, etc., and facilitates the diffusion of airflow.

Moreover, since the first air outlet 103 and the second air outlet 106 share the heat exchange air channel 102 , the heat exchange of the heat exchanger is even in various air outlet modes, effectively avoiding the problem of partial frosting of the heat exchanger 101 . Further, the air conditioner indoor unit 100 includes a fan, and the fan promotes air flow 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 cross-flow fan. The volute 108 and volute tongue 109 of the cross-flow fan define part or all of the heat exchange air passage 102 , and the cross-flow impeller 107 of the cross-flow fan is arranged in the heat exchange air passage 102 .

In some embodiments of the present invention, each bypass air channel 104 is connected to the side wall of the outlet end of the heat exchange air channel 102 . That is to say, each bypass air channel 104 communicates with the heat exchange air channel 102 at a position adjacent to the first air outlet 103 of the heat exchange air channel 102 . Each air outlet chamber 105 is disposed on one lateral side of the heat exchange air duct 102 , and each air outlet chamber 105 communicates with the heat exchange air duct 102 at its lower end. Preferably, each bypass air channel 104 is disposed between the corresponding air outlet cavity 105 and the heat exchange air channel 102 in the transverse direction.

The heat exchange air passage 102 includes a first air passage section and a second air passage section for receiving the airflow of the first air passage section. Along the transverse direction, the width of the second air duct section is greater than the width of the first air duct section. Along the transverse direction, one side of the first air duct section is flush with one side of the second air duct section. Each bypass channel 104 is connected to one side of the second air channel section. The outlet of the second air duct section is the first air outlet 103 .

In some embodiments of the present utility model, the air conditioner indoor unit 100 further includes a casing. The heat exchanger 101 and the heat exchange air channel 102 are located in the casing. The first air outlet 103 and the second air outlet 106 are located on the casing, the first air outlet 103 supplies air forward and/or forward and downward, and the second air outlet 106 supplies air forward and/or forward and downward. Preferably, the first air outlet 103 is disposed at the bottom of the casing, and is a strip-shaped air outlet extending in a transverse direction. The second air outlet 106 is disposed on the front surface of the housing. Each second air outlet 106 is disposed on one lateral side of the first air outlet 103 , and each second air outlet 106 is a strip-shaped air outlet extending in the vertical direction. This setting, through the form of three front air outlets, further facilitates windless air supply, large angle air supply, fast air supply, etc., and can also realize the cooling air blowing flatly without blowing people, improving user comfort.

In some embodiments of the present utility model, as shown in FIGS. The air outlets 103 have different opening degrees, thereby making the air conditioner indoor unit 100 have different air outlet modes. Specifically, the first air outlet 103 has an opening degree greater than the first percentage, so that the air conditioner indoor unit 100 has the first air outlet mode, and the first air outlet 103 has an opening degree smaller than the second percentage, so that The air conditioner indoor unit 100 has a second air outlet mode. The first percentage is greater than or equal to the second percentage. For example, the first percentage is 20% to 40%, and the second percentage is 20% or 5%. Preferably, both the first percentage and the second percentage are 20%. In the second air outlet mode, the ratio between the air output of the second air outlet 106 and the air output of the first air outlet 103 is greater than the ratio of the air output of the second air outlet 106 to the first air outlet 103 in the first air outlet mode. The ratio between the air volume. By adjusting the opening of the first air outlet 103 , and further adjusting the ratio between the air output of the first air outlet 103 and the air output of the second air outlet 106 , the requirements of different air supply modes can be met.

At least in the second air outlet mode, under the action of the wind deflector 110 , the air output between the upper edge of the wind deflector 110 and the upper edge of the first air outlet 103 is greater than that between the lower edge of the wind deflector 110 and the first air outlet. The air volume between the lower edges of the air outlet 103. With this setting, the second air outlet mode can supply air with no wind feeling, and realize the cooling air blowing flatly without blowing people, improving user comfort. Moreover, controlling the opening of the air deflector 110, so that the air deflector 110 is in a proper position, can prevent condensation from occurring, for example, the second percentage is 10%, which can prevent condensation from occurring, while the first air outlet Because the wind at 103 is blocked, most of it is blown out through the second air outlet 106, so as to realize the flat blowing of cooling without blowing people, increase the range of air outlet, and improve user comfort. The ratio between the rotational speed of the cross-flow fan in the second air outlet mode and the rotational speed in the first air outlet mode is 1.2 to 1.8. Preferably, the ratio is 1.5.

In some embodiments of the present utility model, the housing includes one or two side boxes 111, each side box 111 is located on one lateral side of the heat exchange air passage 102, and each side box 111 has an air outlet cavity 105 inside, the second The two air outlets 106 are disposed on the front surfaces of the corresponding side boxes 111 . The casing also includes a frame 114 , a cover 115 and a front panel 116 , the cover 115 is set on the frame 114 , and the front panel 116 is set on the cover 115 . Each side box 111 is disposed on one lateral side of the frame 114 and the casing 115 , and the heat exchange air channel 102 is located in a space defined by the casing 115 and the frame 114 . The air conditioner indoor unit 100 also includes a bypass duct, and the inner space of the bypass duct is a bypass duct 104 . The air in the heat exchange air channel 102 after heat exchange with the heat exchanger 101 enters the air outlet chamber 105 in a side box 111 and is blown out through the second air outlet 106 on the front surface of a side box 111 .

As shown in FIG. 4 , each side box 111 may include a box body 112 with an opening and a box cover 113 disposed at the opening of the box body 112 . Part or all of the second air outlet 106 is disposed on the box cover 113 . The box cover 113 is integrally formed with the front panel 116, which makes the structure simple and easy to manufacture. In some other embodiments, the side box 111 and the front panel 116 are two separate components, which cooperate with each other through installation.

In some embodiments of the present utility model, as shown in FIG. 6 , the projection of the rear wall surface of the air outlet cavity 105 on a plane perpendicular to the transverse direction is a first arc, and the center of the first arc is at the first arc. front or lower side. Preferably, the upper end of the rear wall of the air outlet chamber 105 is the highest point of the air outlet chamber 105 , and the lower end is the lowest point of the air outlet chamber 105 .

In some embodiments of the present invention, the radius of the first arc is 450mm to 550mm, and the corresponding central angle of the first arc is 30° to 40°. Preferably, the radius of the first arc is 500 mm, and the corresponding central angle of the first arc is 35 degrees, so that the airflow in the air outlet chamber 105 can better flow to the second air outlet 106 .

In some embodiments of the present utility model, as shown in FIG. 6 , in order to supply air as reasonably and evenly as possible from the second air outlet 106 , the air conditioner indoor unit 100 further includes a plurality of air distribution plates 117 . A plurality of air distribution plates 117 are sequentially disposed in the air outlet chamber 105 at intervals along the vertical direction, and the plurality of air distribution plates 117 divide the corresponding second air outlet 106 into a plurality of air outlet areas. The front end of each air distribution plate 117 is above the rear end, and the front end of each air distribution plate 117 is on the front wall of the air outlet chamber 105. side wall connection. The projection of the air dividing plate 117 on a plane perpendicular to the transverse direction is a second arc, the center of the second arc is on the front side or the lower side of the second arc, the diameter of the second arc is 150mm to 250mm, and the front end The straight-line distance from the rear end is 30mm to 50mm. Preferably, the diameter of the second arc is 200mm, and the straight-line distance between the front end and the rear end is 40mm. A plurality of air distribution plates 117 are arranged in parallel, and among two adjacent air distribution plates 117 , the rear end of the upper air distribution plate 117 is behind and above the rear end of the lower air distribution plate 117 .

In some embodiments of the present invention, the profile of the section of each bypass air channel 104 is the same as the profile of the corresponding side surface of the second air channel section. The distance between the rear upper corner of the inlet end of each bypass channel 104 and the center of the volute tongue 109 is 22 mm to 28 mm. Preferably, the distance between the rear upper corner of the inlet end of each bypass channel 104 and the center of the volute tongue 109 is 25 mm.

The inlet end of each bypass channel 104 is provided with a mounting plate perpendicular to the bypass channel 104 . The wind deflector 110 is rotatably mounted on the mounting plate. The air conditioner indoor unit 100 also includes a wind deflector motor. The wind deflector motor is installed in a bypass air passage 104 for driving the wind deflector 110 to rotate. In some alternative embodiments of the present utility model, the profile of the section of each bypass channel 104 may also be inconsistent with the profile of the corresponding side of the second air channel section, and the difference between the inlet area and the outlet area of each bypass channel 104 The ratio between 0.5 and 0.7. Preferably, the ratio is 0.6.

In some embodiments of the present invention, the lower surface of the heat exchange air channel 102 is provided with a plurality of guide ribs at intervals along the transverse direction, so as to guide the airflow in the heat exchange air channel 102 to enter the bypass air channel 104 . Multiple guide ribs are located in the first air duct section. One end of each air guide rib is on the boundary line between the first air duct section and the second air duct section, or one end of each air guide rib near the boundary line between the first air duct section and the second air duct section is connected to the first air duct section. The distance between the boundary line between the first air duct section and the second air duct section is within 10mm.

Preferably, as shown in FIG. 8 , the plurality of flow guide ribs includes a first flow guide rib 118 , a plurality of second flow guide ribs 119 and a plurality of third flow guide ribs 120 . The first air guide rib 118 is located in the middle of the heat exchange air duct 102 . A plurality of second air guide ribs 119 are located on one side of the first air guide rib 118, and the distance between the end of each second air guide rib 119 away from the second air duct section and the first air guide rib 118 is smaller than the second The distance between the other end of the flow guide rib 119 and the first flow guide rib 118 . A plurality of third flow guide ribs 120 are located on the other side of the first flow guide rib 118, and the distance between the end of each third flow guide rib 120 away from the second air duct section and the first flow guide rib 118 is smaller than the first flow guide rib 118. The distance between the other end of the three diversion ribs 120 and the first diversion rib 118 . The second guide rib 119 and the third guide rib 120 are respectively used to guide the air flow into the two bypass channels 104 .

In some embodiments of the present utility model, as shown in FIG. 9 , the air conditioner indoor unit 100 further includes a swing leaf device 121, and the swing leaf device 121 includes one or more swing leaf groups arranged in sequence along the transverse direction, and each swing leaf The group includes a plurality of swing blades 122 arranged in the heat exchange air duct 102 and arranged in sequence along the transverse direction. A plurality of swing blades 122 of each swing blade group can be connected by a swing blade connecting rod 123 to perform synchronous swing. There are at least two swing vane groups, which are used to supply air to the two bypass air passages 104 respectively. The swing blade group is arranged in the first air duct section.

The swing blade device 121 also includes one or more drive transmission assemblies, each drive rotation assembly drives the swing blades 122 of a swing blade set to swing synchronously. In some other embodiments of the present invention, the blade swing device 121 includes one or more hand-held devices 124 , and the handheld devices 124 are used to drive each swing blade connecting rod 123 to move so as to make the corresponding swing blade 122 swing.

In some embodiments of the present invention, as shown in Figure 7, the inlet of the bypass air passage 104 is provided with a plurality of parallel rectification ribs 125, the cross section of the rectification ribs 125 is trapezoidal, and the rectification ribs 125 Among the two parallel sides, the side with larger area faces the outlet of the bypass air passage 104 . Among the two parallel sides of the rectifying rib 125 , the width of the larger side is 1.8 mm to 2.2 mm. The width of the side with the smaller area among the two parallel sides of the rectifying rib 125 is 1.5 mm to 2 mm. The distance between every two adjacent straightening ribs 125 is 14mm to 16mm. Preferably, the width of the side with a larger area among the two parallel sides of the straightening rib 125 is 2 mm. The width of the side with the smaller area among the two parallel sides of the rectifying rib 125 is 1.7 mm. The distance between every two adjacent straightening ribs 125 is 15mm. The rectifying ribs 125 guide the airflow into the bypass air passage 104 and make the airflow more smooth without turbulence.

The volute tongue 109 includes a first section 126 disposed outside the cross-flow impeller 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 impeller 107 to flow out. The rectifying rib 125 is parallel to the second section 127 , or the angle between the rectifying rib 125 and the second section 127 is less than 5°.

In some embodiments of the present invention, the ratio between the area of the first air outlet 103 and the total area of the two second air outlets 106 is 2-3. The ratio between the length and the width of the first air outlet 103 is 13-15. The ratio between the length and the width of the second air outlet 106 is 5-7. Preferably, the ratio between the area of the first air outlet 103 and the total area of the second air outlet 106 is 2.5. The ratio between the length and the width of the first air outlet 103 is 14. The ratio between the length and the width of the second air outlet 106 is 6.

In some embodiments of the present invention, the first air outlet 103 has a first edge and a second edge extending along the transverse direction, and the first edge is located in front of or above the second edge or above the front. The lower edge of the second air outlet 106 is at the same height as the first edge of the first air outlet 103, or the lower edge of the second air outlet 106 is higher than the first edge of the first air outlet 103, or the second air outlet The lower edge of 106 is located between the second edge and the first edge of the first air outlet 103 , or the lower edge of the second air outlet 106 is at the same height as the second edge of the first air outlet 103 .

In some embodiments of the present utility model, the lower edge of the second air outlet 106 is at the same height as the front end of the upper edge of the inlet of the bypass air passage 104, and the highest point of the upper edge of the inlet of the bypass air passage 104 is higher than the second outlet. The lower edge of the tuyere 106 is 8mm to 12mm high. Preferably 10 mm.

In some embodiments of the present invention, the ratio between the transverse length of the first air outlet 103 and the transverse length of each air outlet cavity 105 is 18-22. Preferably, the ratio is 20. The width of each second air outlet 106 is equal to the transverse length of each air outlet cavity 105 , or the width of each second air outlet 106 is more than 80% of the transverse length of each air outlet cavity 105 .

In some embodiments of the present utility model, as shown in FIG. 1 , a plurality of partition strips 128 arranged at intervals along the up and down direction are arranged in each second air outlet 106 to separate each second air outlet 106 into multiple A grid hole 129 is arranged in sequence along the up and down direction, and each grid hole 129 extends along the transverse direction. The partition bar 128 partitions the second air outlet 106 into a plurality of grill holes 129 , so that the airflow blown out is more uniform and the user's comfort is improved.

In some embodiments of the present invention, as shown in FIG. 5 , each second air outlet 106 is provided with a plurality of first partition bars 130 spaced along the vertical direction and a plurality of second spacers 130 spaced apart along the lateral direction. The partition bar 131 is used to divide each second air outlet 106 into a plurality of grill holes 129 , and each grill hole 129 extends along the vertical direction. The first partition bar 130 and the second partition bar 131 make the second air outlet 106 divided into grid holes 129 , thereby making the blown air flow more uniform and improving user comfort. The width of each grill hole 129 is 4 mm to 6 mm, and the width of each second air outlet 106 is 35 mm to 40 mm. Preferably, the width of each grill hole 129 is 5 mm, and the width of each second air outlet 106 is 37 mm.

In some embodiments of the present utility model, the air conditioner indoor unit 100 further includes an air induction device configured to force the airflow in the heat exchange air channel 102 to enter the air outlet cavity 105 and flow out from the second air outlet 106 . The air induction device includes induced fans 132 , and the air outlet of each induced fan 132 is located in the air outlet cavity 105 , and the direction of the air outlet is vertically upward. Further, each induced draft fan 132 is arranged in one air outlet cavity 105 , and the air inlet of each induced draft fan 132 communicates with the heat exchange air duct 102 through the bypass air duct 104 . Preferably, the induced draft fan 132 is a centrifugal fan.

In some embodiments of the present utility model, as shown in Fig. 10 and Fig. 11 , the air conditioner indoor unit 100 also includes a fan motor 133, an electric control box 134, a pipe pressing plate 135, a wall hanging plate 136, a dust filter 137, a motor pressing The cover 140 , the human-sensing module 141 , another air deflector disposed at the first air outlet 103 and inside the air deflector 110 , and the like. The fan motor 133 is used to drive the cross-flow fan to work. The fan motor 133 and the electric control box 134 are arranged on the rear side of the part of the second air duct section beyond the first air duct section.

So far, those skilled in the art should recognize that although a number of exemplary embodiments of the present invention have been shown and described in detail herein, they can still be used according to the present invention without departing from the spirit and scope of the present invention. Many other variations or modifications that conform to the principles of the utility model are directly determined or derived from the disclosed content of the new model. Therefore, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims (10)

1. An air conditioner indoor unit, comprising a heat exchanger and a heat exchange air duct, the outlet of the heat exchange air duct is the first air outlet, and the heat exchanger is arranged in the heat exchange air duct, characterized in that, Also includes: One or two bypass channels, each of which is arranged on one lateral side of the heat exchange air channel, and each of the bypass channels communicates with the heat exchange air channel to receive the heat exchange air The air flow after heat exchange with the heat exchanger in the channel; One or two air outlet chambers, each of the air outlet chambers communicates with one of the bypass air passages; One or two second air outlets, each of the second air outlets is arranged on the wall of one of the air outlet chambers, and penetrates to the outside of the air-conditioning indoor unit, so as to extend to the outside of the air-conditioning indoor unit air supply. 2. The air conditioner indoor unit according to claim 1, characterized in that: Each of the bypass passages is connected to the side wall of the outlet end of the heat exchange air passage; each of the air outlet chambers is arranged on a lateral side of the heat exchange air passage, and each of the air outlet chambers is Its lower end communicates with the heat exchange air channel; in the transverse direction, each of the bypass air channels is arranged between the corresponding air outlet chamber and the heat exchange air channel; the air outlet chamber and the There are two bypass passages. 3. The air conditioner indoor unit according to claim 1, further comprising a casing, the heat exchanger and the heat exchange air duct are located in the casing; the first air outlet and the second Two air outlets are located on the housing; the first air outlet is arranged on the bottom of the housing, and is a strip-shaped air outlet extending in the transverse direction; each of the second air outlets is along the up and down direction Extended strip air outlet. 4. The air conditioner indoor unit according to claim 3, characterized in that: The first air outlet blows air forward and/or forward and downward, and the second air outlet blows air forward and/or forward and downward; each of the second air outlets is arranged on the first air outlet The second air outlet is arranged on the front surface of the housing. 5. The air conditioner indoor unit according to claim 1, characterized in that: An air deflector is provided at the first air outlet, and the air deflector is configured to open and close the first air outlet, so that the first air outlet has an opening degree greater than a first percentage, so that all The air-conditioning indoor unit has a first air outlet mode, and the opening of the first air outlet is smaller than the second percentage, so that the air-conditioning indoor unit has a second air outlet mode; the first percentage Greater than or equal to the second percentage; in the second air outlet mode, the ratio between the air output of the second air outlet and the air output of the first air outlet is greater than that in the first air outlet The ratio between the air volume of the second air outlet and the air volume of the first air outlet in the wind mode; at least in the second air outlet mode, under the action of the wind deflector, the The air flow rate between the upper edge of the air deflector and the upper edge of the first air outlet is greater than the air flow between the lower edge of the air deflector and the lower edge of the first air outlet. 6. The air conditioner indoor unit according to claim 3, further comprising a bypass air pipe, the inner space of which is the bypass air passage; the housing includes one or two side boxes, Each of the side boxes is located on one lateral side of the heat exchange air channel, each of the side boxes has the air outlet cavity, and the second air outlet is arranged on the front surface of the corresponding side box ; The casing also includes a frame, a cover and a front panel, the cover is arranged on the frame, the front panel is arranged on the cover; each of the side boxes is arranged on the frame and the The heat exchange air passage is located in the space defined by the casing and the framework. 7. The air conditioner indoor unit according to claim 2, characterized in that: The heat exchange air passage includes a first air passage section and a second air passage section for receiving the airflow of the first air passage section; along the transverse direction, the width of the second air passage section is larger than that of the first air passage section. The width of the duct section; along the transverse direction, one side of the first air duct section is flush with one side of the second air duct section; Each bypass channel is connected to one side of the second air channel section. 8. The air-conditioning indoor unit according to claim 4, characterized in that, each of the second air outlets is provided with a plurality of partition bars arranged at intervals along the vertical direction to separate each of the second air outlets. A plurality of grill holes arranged in sequence along the up and down direction, each of the grill holes extending along the transverse direction. 9. The air conditioner indoor unit according to claim 4, characterized in that: Each of the second air outlets is provided with a plurality of first partition bars spaced along the vertical direction and a plurality of second partition bars spaced along the lateral direction to separate each of the second air outlets into multiple grid holes, each of which extends in the up and down direction. 10. The air conditioner indoor unit according to claim 6, characterized in that: Each of the side boxes includes a box body with an opening and a cover arranged at the opening of the box body; Part or all of the second air outlet is arranged on the box cover; the box cover is integrally formed with the front panel.

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