Vertical air conditioner indoor unit

Abstract

The application provides a vertical air conditioner indoor unit, which comprises a first column shell, a second column shell and a third column shell. The first column shell is vertically columnar, and a first air outlet for blowing a first air flow is arranged on the front side of the first column shell. The second column shell is vertically columnar, and a second air outlet for blowing a second air flow is arranged on the front side of the second column shell. The second column shell is arranged on the lateral side of the first column shell. An air guide interval is formed between the second column shell and the first column shell, so that the air in the air guide interval is driven to flow forward by the negative pressure when the first air outlet and / or the second air outlet blows air. The third column shell is vertically columnar, and a third air outlet for blowing a third air flow is arranged on the front side of the third column shell. The third column shell is rotatably arranged on the rear side of the air guide interval around a first vertical axis. The vertical air conditioner indoor unit provided by the application expands the air outlet angle in the uniform air function mode.

Description

Technical Field

[0001] This invention relates to the field of air conditioning technology, and in particular to a vertical air conditioner indoor unit. Background Technology

[0002] With the development of the times and the advancement of technology, users not only expect air conditioners to have faster cooling and heating speeds, but also pay increasing attention to their comfort performance. For example, when using air conditioning for cooling, users sometimes experience discomfort due to the low air temperature and high air velocity, which is often described as the airflow being too "harsh" and not gentle enough. Current vertical air conditioner indoor units typically have a vertical strip-shaped air outlet on the front of the casing, using an air guide device to oscillate the air up, down, left, and right, expanding the air delivery angle. While some existing technologies have made many improvements to the air outlet structure, the air delivery direction, range, and distance are still significantly limited by the orientation of the air outlet itself, making it difficult to meet user needs. Summary of the Invention

[0003] In view of the above problems, the present invention is proposed to provide a vertical air conditioner indoor unit that overcomes or at least partially solves the above problems, can solve the problems of air conditioning blowing too "harshly" and the small air delivery angle and short air delivery distance, can realize multiple air delivery modes, and improve user comfort.

[0004] Specifically, the present invention provides a vertical air conditioner indoor unit comprising:

[0005] The first column shell is in the shape of a vertical column, and a first air outlet is provided on the front side of the first column shell for blowing out the first airflow.

[0006] The second column shell is vertically columnar, and a second air outlet is provided on the front side of the second column shell for blowing out a second airflow; the second column shell is located on the lateral side of the first column shell; the second column shell and the first column shell form an air-guiding interval so that when the first air outlet and / or the second air outlet blow out air, the air in the air-guiding interval is driven forward by the negative pressure.

[0007] The third column shell is in the shape of a vertical column, and a third air outlet for blowing out a third airflow is provided on the front side of the third column shell; the third column shell is rotatably disposed on the rear side of the air-guiding interval around the first vertical axis.

[0008] Optionally, the ratio of the width of the second column shell in the lateral direction to the width of the first column shell in the lateral direction is less than 1 / 2; the ratio of the depth dimension of the second column shell in the front-back direction to the depth dimension of the first column shell in the front-back direction is less than 1 / 2.

[0009] The ratio of the width of the third column shell in the lateral direction to the width of the first column shell in the lateral direction is less than 1 / 2; the ratio of the depth dimension of the third column shell in the front-to-back direction to the depth dimension of the first column shell in the front-to-back direction is less than 1 / 2.

[0010] Optionally, the third column housing is disposed on the rear side of the second column housing; the third column housing can be rotated so that the third air outlet faces the second column housing away from the first column housing.

[0011] Optionally, the first vertical axis is located inside the third column housing, and the first vertical axis is spaced apart from the third air outlet;

[0012] The first air outlet is vertically shaped, the second air outlet is vertically shaped, and the third air outlet is vertically shaped; the first air outlet and the second air outlet are arranged horizontally; the distance between the two side walls of the second column shell gradually decreases from back to front, forming a tapered shape; the distance between the two side walls of the third column shell gradually decreases from back to front, forming a tapered shape.

[0013] Optionally, the second cylindrical shell is rotatably disposed about a second vertical axis;

[0014] The second vertical axis is located inside the second column housing, and the second vertical axis is spaced apart from the second air outlet.

[0015] Optionally, the vertical air conditioner indoor unit further includes a first cross-flow fan and a heat exchanger; the first cross-flow fan and the heat exchanger are disposed inside the first column housing;

[0016] The rear wall and the rear of the two side walls of the first column shell are each provided with a first air inlet that communicates with the first air outlet.

[0017] Optionally, the vertical air conditioner indoor unit further includes:

[0018] A second cross-flow fan is vertically installed inside the second column housing; the second vertical axis is coaxial with the second cross-flow fan; a second air inlet communicating with the second air outlet is provided at the rear of the second column housing; or...

[0019] The lower shell and the first exhaust fan are provided. The lower shell is located below the second column shell and the third column shell. The lower end of the second column shell is provided with an air inlet communicating with the second air outlet. The first exhaust fan is located inside the lower shell and is used to introduce the second airflow into the air inlet at the lower end of the second column shell.

[0020] Optionally, the vertical air conditioner indoor unit further includes:

[0021] A third cross-flow fan is vertically installed inside the third cylindrical shell; the first vertical axis is coaxial with the third cross-flow fan; a third air inlet communicating with the third air outlet is provided at the rear of the third cylindrical shell; or...

[0022] The lower shell and the second exhaust fan are provided. The lower shell is located below the second column shell and the third column shell. The lower end of the third column shell is provided with an air inlet communicating with the third air outlet. The second exhaust fan is located inside the lower shell and is used to introduce the third airflow into the air inlet at the lower end of the third column shell.

[0023] Optionally, the lower end of the second column housing is provided with an air inlet communicating with the second air outlet;

[0024] The lower end of the third column shell is provided with an air inlet that communicates with the third air outlet;

[0025] The vertical air conditioner indoor unit also includes:

[0026] The lower shell is disposed below the second columnar shell and the third columnar shell;

[0027] The third exhaust fan is disposed inside the lower shell and is used to introduce the second airflow and the third airflow into the air inlet at the lower end of the second column shell and the air inlet at the lower end of the third column shell.

[0028] Optionally, the second air outlet is in the shape of a vertical strip;

[0029] The second column housing is provided with a first air duct that connects to the second air outlet;

[0030] The first air duct is provided with a plurality of first guide vanes arranged vertically. Each first guide vane extends from front to back and its rear end bends downward to form a first guide bend. The distance between the front and rear ends of the first guide vane located higher up is greater.

[0031] The third air outlet is in the shape of a vertical strip;

[0032] The third column housing is provided with a second air duct that connects to the third air outlet.

[0033] The second air duct is provided with a plurality of second guide vanes arranged vertically. Each second guide vane extends from front to back and its rear end bends downward to form a second guide bend. The distance between the front and rear ends of the second guide vane located higher up is greater.

[0034] The vertical air conditioner indoor unit of this invention utilizes a first column housing to blow out a first airflow and a second column housing to blow out a second airflow, with an air-guiding gap formed between the first and second column housings. Thus, when the first and second column housings simultaneously blow air forward towards each other, a negative pressure environment is created at the air-guiding gap, causing indoor air behind the vertical air conditioner indoor unit to flow forward through the air-guiding gap, mixing with the airflow from the first and second column housings, forming a induced airflow mixing effect. The temperature of the mixed airflow is closer to room temperature, resulting in higher comfort and a gentler breeze, the so-called "soft wind." Furthermore, when the second column housing blows out indoor air, it achieves a stronger airflow mixing effect, making the airflow even closer to room temperature. When the second column housing blows out regulated airflows such as fresh air, purified air, humidified air, or water-washing air, these regulated airflows can mix with the heat exchange airflow earlier and more extensively, enhancing the mixing rate and allowing it to diffuse better throughout the room. In particular, by setting a third column housing to blow out a third airflow, and as the direction of the third air outlet changes, the third airflow can either converge into the mixed airflow through the air intake interval, increasing the air volume and speed and extending the air delivery distance, or it can be directed away from the first column housing. Thus, while the vertical air conditioner indoor unit delivers the mixed airflow, it also increases the air delivery angle, meeting the various needs of users for the air delivery angle of the vertical air conditioner indoor unit.

[0035] Furthermore, in the vertical air conditioner indoor unit of the present invention, the different air delivery types and rotation settings of the second and third column housings enable the vertical air conditioner indoor unit to have diverse air delivery modes. For example, the second column housing blows out fresh air, the third column housing blows out indoor air, and the second and third column housings simultaneously deliver air in different directions away from the first column housing. Without generating mixed airflow, the vertical air conditioner indoor unit of the present invention can deliver air at multiple angles and deliver different types of air.

[0036] Furthermore, in the vertical air conditioner indoor unit of the present invention, the lower shell is used to introduce or generate the second and third airflows, and an exhaust fan is installed in the lower shell. There is no need to install fans in the second and third column shells. In this way, the second and third column shells can be designed to be thinner, making them significantly thinner than the first column shell. This asymmetrical design not only meets the air mixing requirements, but also makes the appearance of the vertical air conditioner indoor unit more novel and unique, thus enhancing the competitiveness of the product.

[0037] 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 of the invention in conjunction with the accompanying drawings. Attached Figure Description

[0038] The following sections will describe some specific embodiments of the invention in detail by way of example and not limitation, with reference to the accompanying drawings. The same reference numerals in the drawings denote the same or similar parts or portions. Those skilled in the art should understand that these drawings are not necessarily drawn to scale. In the drawings:

[0039] Figure 1 This is a schematic front view of a vertical air conditioner indoor unit according to an embodiment of the present invention.

[0040] Figure 2 yes Figure 1 A schematic cross-sectional view of NN.

[0041] Figure 3 This is a schematic cross-sectional view of the first, second, and third column shells of a vertical air conditioner indoor unit according to an embodiment of the present invention.

[0042] Figure 4 This is a schematic cross-sectional view of the first, second, and third column shells of a vertical air conditioner indoor unit according to an embodiment of the present invention.

[0043] Figure 5 This is a schematic cross-sectional view of the first, second, and third column shells of a vertical air conditioner indoor unit according to an embodiment of the present invention.

[0044] Figure 6 yes Figure 1 The diagram shows a schematic left view of a vertical air conditioner indoor unit with the lower column housing cut open and a portion of the second column housing cut open. Detailed Implementation

[0045] The following reference Figures 1 to 6 The present invention describes a vertical air conditioner indoor unit according to an embodiment of the present invention. The terms "front," "rear," "upper," "lower," "top," "bottom," "inner," "outer," and "lateral," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are used only for the convenience of describing the present invention and for simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention.

[0046] The terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first," "second," etc., may explicitly or implicitly include at least one of that feature, that is, include one or more of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified. When a feature "includes or contains" one or more of the features it encompasses, unless otherwise specifically stated, this indicates that other features are not excluded and may be further included.

[0047] Unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," "fixing," and "coupling," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part. They can refer to a mechanical connection or an electrical connection. They can refer to a direct connection or an indirect connection through an intermediate medium, or to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art should be able to understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0048] This invention provides a vertical air conditioner indoor unit. The vertical air conditioner indoor unit is the indoor section of a split-type air conditioner, used to regulate indoor air, such as cooling / heating, dehumidifying, and introducing fresh air. The vertical air conditioner indoor unit can be a conventional floor-standing unit or a vertical wall-mounted unit.

[0049] Figure 1 This is a schematic front view of a vertical air conditioner indoor unit according to an embodiment of the present invention. Figures 2 to 5 The solid arrow in the middle indicates the direction of airflow. (Refer to...) Figures 2 to 6 The vertical air conditioner indoor unit of this invention includes a first column housing 10, a second column housing 20 and a third column housing 30.

[0050] The first column housing 10 is vertically columnar, and a first air outlet 11 for blowing out a first airflow is provided on the front side of the first column housing 10. The second column housing 20 is vertically columnar, and a second air outlet 21 for blowing out a second airflow is provided on the front side of the second column housing 20. The second column housing 20 is disposed on one side laterally of the first column housing 10, and an air-guiding interval 16 is formed between the second column housing 20 and the first column housing 10, so that when air is emitted from the first air outlet 11 and / or the second air outlet 21, the air in the air-guiding interval 16 is driven forward by the negative pressure. The third column housing 30 is vertically columnar, and a third air outlet 31 for blowing out a third airflow is provided on the front side of the third column housing 30. The third column housing 30 is rotatably disposed on the rear side of the air-guiding interval 16 about a first vertical axis.

[0051] The vertical air conditioner indoor unit of the present invention includes a large first column housing 10 and two smaller second column housings 20 and a third column housing 30. The second column housings 20 are located on one side of the first column housing 10, and the third column housings 30 are located on the rear side of the air intake interval 16. The third column housing 30 can rotate to allow the air outlet 31 to be directed at different angles. The first column housing 10, the second column housing 20, and the third column housing 30 each have their own independent first air outlet 11, second air outlet 21, and third air outlet 31. The first column housing 10, the second column housing 20, and the third column housing 30 can supply air individually or simultaneously, or achieve diversified and multi-angle air supply by setting the air outlet directions of the first air outlet 11, the second air outlet 21, and the third air outlet 31. For example, the first column housing 10, the second column housing 20, and the third column housing 30 can be selected to supply air individually. For example, the guide vanes at the first air outlet 11 and the second air outlet 21 oscillate to simultaneously direct airflow from the first and second column housings 10 and 20 towards each other. In uniform airflow mode, a negative pressure environment is created at the air intake interval 16, causing indoor air behind the vertical air conditioner's indoor unit to flow forward through the air intake interval 16, mixing with the airflow from the first and second column housings 10 and 20, creating a mixed airflow effect. The temperature of the mixed airflow is closer to room temperature, resulting in higher comfort and a gentler breeze, the so-called "soft wind." When the second column housing 20 blows out fresh air, purified air, humidified air, or water-washing airflow, these regulated airflows mix with the heat exchange airflow earlier and more extensively, enhancing the mixing rate and allowing for better diffusion throughout the room. Specifically, while the first and second column housings 10 and 20 are discharging airflow towards each other, the third column housing 30 blows out a third airflow. As the orientation of the third air outlet 31 changes, such as... Figure 3 As shown, the third airflow can converge into the mixed airflow through the induced draft interval 16, thereby strengthening the mixed airflow, increasing the air volume and velocity, and extending the air delivery distance. Figure 4 As shown, the third air outlet 31 can also be oriented away from the first column housing 10, thereby increasing the air supply angle while delivering mixed airflow to the vertical air-conditioned room, thus meeting the various needs of users for the air supply angle of the vertical air-conditioned room.

[0052] In some embodiments of the present invention, the ratio of the width of the second column shell 20 in the transverse direction to the width of the first column shell 10 in the transverse direction is less than 1 / 2. The ratio of the depth of the second column shell 20 in the front-to-back direction to the depth of the first column shell in the front-to-back direction is less than 1 / 2. The first air outlet 11 is vertically shaped, and the second air outlet 21 is vertically shaped. The first air outlet 11 and the second air outlet 21 are arranged in the transverse direction. The distance between the two transverse sidewalls of the second column shell 20 gradually decreases from back to front, forming a tapered shape.

[0053] The ratio of the transverse width of the third column shell 30 to the transverse width of the first column shell 10 is less than 1 / 2. The ratio of the longitudinal depth of the third column shell 30 to the longitudinal depth of the first column shell 10 is less than 1 / 2. The distance between the two side walls of the third column shell gradually decreases from back to front, forming a tapered shape.

[0054] The above arrangement allows the second air outlet 21 to be aligned or nearly aligned with the front and rear positions of the first air outlet 11, facilitating better mixing of the airflow from the second air outlet 21 and the first air outlet 11. Both the second and third column housings 20 and 30 are tapered, increasing the airflow velocity at the second and third air outlets 21 and 31, which is beneficial for the second and third column housings 20 and 30 to deliver air to distant locations. The second and third column housings 20 and 30 are significantly smaller than the first column housing 10, forming a three-column housing with two smaller and one larger structure spaced apart, resulting in a stable and distinctive appearance that enhances the decorative attributes of the household air conditioner.

[0055] In some embodiments of the present invention, the third column housing 30 is disposed behind the second column housing 20. A first vertical axis is located inside the third column housing 30, and the first vertical axis is spaced apart from the third air outlet 31. The third column housing 30 can rotate so that the third air outlet 31 faces the second column housing 20 away from the first column housing 10. The second column housing 20 and the third column housing 30 are arranged one after the other on one side of the first column housing 10, which is both aesthetically pleasing and increases the air outlet angle. Especially when the second column housing 20 and the third column housing 30 are venting air towards each other, rotating the third column housing 30 so that the third air outlet 31 faces the second column housing 20 away from the first column housing 10 not only achieves uniform airflow but also expands the air delivery range, resulting in a wider blowing angle and a better user experience.

[0056] In some embodiments of the present invention, the second cylindrical shell is rotatably disposed about a second vertical axis. The second vertical axis is located inside the second cylindrical shell 20 and is spaced apart from the second air outlet 21. The second cylindrical shell 20 rotates to blow air, thereby increasing the air outlet angle of the second cylindrical shell 20, and the air outlets of the second cylindrical shell 20 and the third cylindrical shell 30 can cooperate with each other. Figure 5 As shown, the first column shell 10, the second column shell 20 and the third column shell 30 can also blow air in one direction at the same time. At this time, the air outlet angle will increase from about 100 degrees when the first column shell 10 blows air alone to about 120 degrees.

[0057] In some embodiments of the present invention, the distance between any point on the outer edge of the cross-sectional profile of the third column housing 30 and the first vertical axis is less than the distance between the first vertical axis and the outer edge of the cross-sectional profile of the first column housing 10 that is closest to the first vertical axis. Similarly, the distance between any point on the outer edge of the cross-sectional profile of the third column housing 30 and the first vertical axis is less than the distance between the first vertical axis and the outer edge of the cross-sectional profile of the second column housing 20 that is closest to the second vertical axis. This arrangement allows the third column housing 30 to rotate 360 ​​degrees without interference, greatly expanding the air delivery angle of the vertical air conditioner indoor unit. Of course, in some alternative embodiments, the third column housing 30 can also rotate 360 ​​degrees through non-simultaneous rotation of the second column housing 20 and the third column housing 30. That is, the second column housing 20 rotates to make way, and then returns to its original position after the third column housing 30 has rotated, resulting in a more compact structure.

[0058] In some embodiments of the present invention, the indoor unit of the vertical air conditioner further includes a first cross-flow fan 15 and a heat exchanger 14. The first cross-flow fan 15 and the heat exchanger 14 are disposed inside the first cylindrical shell 10. The rear wall and the rear of the two side walls of the first cylindrical shell 10 are each provided with a first air inlet 13 communicating with the first air outlet 11.

[0059] The first air inlet 13 is connected to the indoor air. The first cross-flow fan 15 causes the indoor air to enter the first column shell 10 through the first air inlet 13, and after passing through the heat exchanger 14, it becomes a heat exchange airflow and is blown out from the first air outlet 13.

[0060] In some embodiments of the present invention, the indoor unit of the vertical air conditioner further includes a second cross-flow fan 24 and a third cross-flow fan 34. The second cross-flow fan 24 is vertically disposed inside the second column housing 20. The second cross-flow fan 24 is coaxial with the second vertical axis. This arrangement allows the second cross-flow fan 24 to not rotate with the second column housing 20 during rotation, thereby simplifying the rotation structure of the second column housing 20.

[0061] The third cross-flow fan 34 is vertically installed inside the third column housing 30. The third cross-flow fan 34 is coaxial with the first vertical axis. This arrangement ensures that the third cross-flow fan 34 does not need to rotate with the third column housing 30 during rotation, thus simplifying the rotation structure of the third column housing 30.

[0062] A second air inlet 23, which communicates with the second air outlet 21, is provided on the rear part of the side wall away from the first column shell 10 and on the rear wall of the second column shell 20. The second air inlet 23 communicates with the indoor air, and the second cross-flow fan 24 causes the indoor air to enter the second column shell 20 through the second air inlet 23 and be blown out from the second air outlet 21.

[0063] A third air inlet 33, which communicates with the third air outlet 31, is provided on the rear part of the side wall away from the first column shell 10 and on the rear wall of the third column shell 30. The third air inlet 33 communicates with the indoor air, and the third cross-flow fan 34 causes the indoor air to enter the third column shell 30 through the third air inlet 33 and be blown out from the third air outlet 31.

[0064] Under the above conditions, the first column shell 10 blows out heat exchange airflow, while the second column shell 20 and the third column shell 30 blow out indoor air. In uniform airflow mode, when the second column shell 20 and the third column shell 30 blow out indoor air, a stronger air mixing effect can be achieved, making the airflow closer to room temperature.

[0065] In some embodiments of the present invention, the lower end of the second column housing 20 is provided with an air inlet communicating with the second air outlet 21. The lower end of the third column housing 30 is provided with an air inlet communicating with the third air outlet 31. The vertical air conditioner indoor unit also includes a lower housing 40 and a third exhaust fan 41. The lower housing 40 is disposed below the second column housing 20 and the third column housing 30. The third exhaust fan 41 is disposed inside the lower housing 40 and is used to introduce the second airflow and the third airflow into the second column housing 20 and the third column housing 30. An outdoor fresh air inlet 43 and / or an indoor air inlet are provided on the rear side wall of the lower housing 40. The outdoor fresh air inlet 43 and / or the indoor air inlet are connected to the air inlet of the third exhaust fan 41. A functional module 42 is provided in front of the air inlet of the third exhaust fan 41. The functional module 42 is a purification module and / or a humidification module.

[0066] In the above configuration, the third exhaust fan 41 is located inside the lower casing 40, eliminating the need for fans inside the second and third column casings 20 and 30. This allows for a slimmer and more aesthetically pleasing shape for the second and third column casings 20 and 30. The air inlets of the second and third column casings 20 and 30 are located at their respective lower ends. The outdoor fresh air inlet 41 and / or the indoor air inlet are connected to the air inlet of the third exhaust fan 41. The third exhaust fan 41 draws in fresh air and / or indoor air from the outdoor fresh air inlet 43 and / or the indoor air inlet, allowing it to enter the second and third column casings 20 and 30 respectively, and exit from the second and third air outlets 21 and 31. This configuration allows the third exhaust fan 41 to draw in both fresh air and indoor air, achieving a dual benefit. The different airflow sources enable the vertical air conditioner indoor unit to have various air outlet types. Meanwhile, to meet the diverse needs of users, a functional module 42 can be installed in front of the air inlet of the third exhaust fan. The functional module 42 can be a purification module and / or a humidification module. That is, the second airflow is one or more of indoor air, fresh air, purified air, humidified air or water washing air, and the third airflow is one or more of indoor air, fresh air, purified air, humidified air or water washing air.

[0067] The exhaust fan 41 here can be a centrifugal fan or an axial fan, which, through an air distribution mechanism, draws fresh air and / or indoor air to the second and third column housings 20 and 30. In some embodiments of the invention, valves can be installed between the outdoor fresh air inlet 43 and the inlet of the third exhaust fan, and between the indoor air inlet and the inlet of the third exhaust fan. The valves are configured to controllably connect one of the outdoor fresh air inlet 43 and the indoor air inlet to the inlet of the third exhaust fan. This arrangement allows the second and third column housings 20 and 30 to controllably blow out fresh air or indoor air.

[0068] In some embodiments of the present invention, the air intake of the second column housing and the air intake of the third column housing are respectively provided by separate fans. Specifically, the indoor unit of the vertical air conditioner also includes a first exhaust fan and a second exhaust fan. The second column housing 20 is supplied with air through the air intake at the lower end of the second column housing via the first exhaust fan, and the third column housing 30 is supplied with air through the air intake at the lower end of the third column housing via the second exhaust fan.

[0069] In some embodiments of the present invention, the second column housing 20 receives air from the air inlet at its lower end via a first induced draft fan, and the third column housing 30 receives air from its rear end via a third cross-flow fan. In this embodiment, the air intake methods for the second and third column housings are different.

[0070] In some embodiments of the present invention, such as Figure 6 As shown, a vertical first air duct 28 is provided inside the second column shell 20, which connects to the second air outlet 21. The airflow entering the first air duct 28 is the first airflow. A plurality of first guide vanes 25 are arranged vertically inside the first air duct 28. Each first guide vane 25 extends from front to back, and its rear end bends downward to form a first guide bend 251. The distance between the front and rear ends of the first guide vane 25 is greater the higher it is.

[0071] The first airflow flows upwards. Upon encountering each first guide vane 25, it is guided by its first guide bend 251, gradually changing from upward flow to forward flow. Therefore, the first guide bend 251 changes the direction of the airflow, making the airflow turn more gently and reducing wind force loss. The first guide bend 251 and the rest of the first guide vane 25 are transitioned with rounded corners.

[0072] Furthermore, considering that the first airflow enters the second column housing 20 from the bottom, it may cause the airflow volume in the middle or upper part of the second air outlet 21 to be relatively small. Therefore, in this embodiment of the invention, a plurality of vertically arranged first guide vanes 25 are specifically provided inside the second column housing 20, and the distance between the front and rear ends of the first guide vanes 25 located higher up is larger, making the airflow from the second air outlet 21 more uniform in all vertical locations. Of course, the problem of the relatively small airflow volume in the middle or upper part of the second air outlet 21 can also be taken advantage of, as the mixing effect on the upper side is poor, allowing air to be delivered to areas that require cooling, i.e., areas that do not require soft airflow.

[0073] In some embodiments of the present invention, a vertically shaped second air duct is provided inside the third column shell 30, which connects to the third air outlet 31. The airflow entering the second air duct is a second airflow. A plurality of second guide vanes are arranged vertically inside the second air duct. Each second guide vane extends from front to back, and its rear end bends downward to form a second guide bend. The distance between the front and rear ends of the second guide vane located higher up is greater.

[0074] The second airflow flows upwards, and upon encountering each second guide vane, it is guided by its second guide bend, gradually changing from upward to forward flow. Therefore, the second guide bend changes the airflow direction, making the change smoother and reducing wind loss. The second guide bend transitions to the rest of the second guide vane with a rounded corner.

[0075] Furthermore, considering that the second airflow enters the third column housing 30 from the bottom, it may cause the airflow volume in the middle or upper part of the third air outlet 31 to be relatively small. Therefore, in this embodiment of the invention, a plurality of vertically arranged second guide vanes are provided inside the third column housing 30, and the distance between the front and rear ends of the second guide vanes located higher up is larger, so that the airflow from the third air outlet 31 is more uniform in all vertical locations.

[0076] Therefore, those skilled in the art should recognize that although numerous exemplary embodiments of the present invention have been shown and described in detail herein, many other variations or modifications conforming to the principles of the present invention can be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Thus, the scope of the present invention should be understood and construed as covering all such other variations or modifications.

Claims

1. A vertical air conditioner indoor unit, characterized in that, include: The first column shell is in the shape of a vertical column, and a first air outlet is provided on the front side of the first column shell for blowing out the first airflow. The second column shell is vertically columnar, and a second air outlet is provided on the front side of the second column shell for blowing out a second airflow; the second column shell is located on the lateral side of the first column shell; the second column shell and the first column shell form an air-guiding interval so that when the first air outlet and / or the second air outlet blow out air, the air in the air-guiding interval is driven forward by the negative pressure. The third column shell is in the shape of a vertical column, and a third air outlet for blowing out a third airflow is opened on the front side of the third column shell; the third column shell is rotatably disposed on the rear side of the air-guiding interval around the first vertical axis. The second cylindrical shell is rotatably disposed about a second vertical axis; The third column shell is disposed on the rear side of the second column shell; while the first column shell and the second column shell are discharging air towards each other, the third column shell can be rotated so that the third air outlet faces the second column shell away from the first column shell; when the third column shell can be rotated so that the third air outlet faces the second column shell away from the first column shell, the first column shell, the second column shell and the third column shell can simultaneously blow air in one direction.

2. The vertical air conditioner indoor unit according to claim 1, characterized in that, The ratio of the width of the second column shell in the transverse direction to the width of the first column shell in the transverse direction is less than 1 / 2; the ratio of the depth dimension of the second column shell in the front-to-back direction to the depth dimension of the first column shell in the front-to-back direction is less than 1 / 2. The ratio of the width of the third column shell in the lateral direction to the width of the first column shell in the lateral direction is less than 1 / 2; the ratio of the depth dimension of the third column shell in the front-to-back direction to the depth dimension of the first column shell in the front-to-back direction is less than 1 / 2.

3. The vertical air conditioner indoor unit according to claim 1, characterized in that, The first vertical axis is located inside the third column housing, and the first vertical axis is spaced apart from the third air outlet; The first air outlet is vertically shaped, the second air outlet is vertically shaped, and the third air outlet is vertically shaped; the first air outlet and the second air outlet are arranged horizontally; the distance between the two side walls of the second column shell gradually decreases from back to front, forming a tapered shape; the distance between the two side walls of the third column shell gradually decreases from back to front, forming a tapered shape.

4. The vertical air conditioner indoor unit according to claim 1, characterized in that, The second vertical axis is located inside the second column housing, and the second vertical axis is spaced apart from the second air outlet.

5. The vertical air conditioner indoor unit according to claim 1, characterized in that, It also includes a first cross-flow fan and a heat exchanger; the first cross-flow fan and the heat exchanger are disposed inside the first column shell; The rear wall and the rear of the two side walls of the first column shell are each provided with a first air inlet that communicates with the first air outlet.

6. The vertical air conditioner indoor unit according to claim 5, characterized in that, Also includes: The second cross-flow fan is vertically installed inside the second column shell; The second vertical axis is coaxial with the second cross-flow fan; the rear of the second column housing is provided with a second air inlet communicating with the second air outlet; or... The lower shell and the first exhaust fan are provided. The lower shell is located below the second column shell and the third column shell. The lower end of the second column shell is provided with an air inlet communicating with the second air outlet. The first exhaust fan is located inside the lower shell and is used to introduce the second airflow into the air inlet at the lower end of the second column shell.

7. The vertical air conditioner indoor unit according to claim 5, characterized in that, Also includes: A third cross-flow fan is vertically installed inside the third cylindrical shell; the first vertical axis is coaxial with the third cross-flow fan; a third air inlet communicating with the third air outlet is provided at the rear of the third cylindrical shell; or... The lower shell and the second exhaust fan are provided. The lower shell is located below the second column shell and the third column shell. The lower end of the third column shell is provided with an air inlet communicating with the third air outlet. The second exhaust fan is located inside the lower shell and is used to introduce the third airflow into the air inlet at the lower end of the third column shell.

8. The vertical air conditioner indoor unit according to claim 1, characterized in that, The lower end of the second column shell is provided with an air inlet that communicates with the second air outlet; The lower end of the third column shell is provided with an air inlet that communicates with the third air outlet; The vertical air conditioner indoor unit also includes: The lower shell is disposed below the second columnar shell and the third columnar shell; The third exhaust fan is disposed inside the lower shell and is used to introduce the second airflow and the third airflow into the air inlet at the lower end of the second column shell and the air inlet at the lower end of the third column shell.

9. The vertical air conditioner indoor unit according to claim 8, characterized in that, The second air outlet is vertically shaped; The second column housing is provided with a first air duct that connects to the second air outlet; The first air duct is provided with a plurality of first guide vanes arranged vertically. Each first guide vane extends from front to back and its rear end bends downward to form a first guide bend. The distance between the front and rear ends of the first guide vane located higher up is greater. The third air outlet is in the shape of a vertical strip; The third column housing is provided with a second air duct that connects to the third air outlet. The second air duct is provided with a plurality of second guide vanes arranged vertically. Each second guide vane extends from front to back and its rear end bends downward to form a second guide bend. The distance between the front and rear ends of the second guide vane located higher up is greater.

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