Indoor unit of air conditioner

Abstract

The air conditioner indoor unit comprises a shell, a first air guide plate and a second air guide plate, and the shell is provided with an air outlet; the upper end of the first air deflector is pivoted to the upper edge of the air outlet, and the first air deflector is provided with a plurality of air dispersing holes; the rear end of the second air deflector is connected to the shell; the air conditioner indoor unit has a first zero-air mode and a third zero-air mode. The first zero-air mode is configured as follows: the first air deflector covers and closes the whole air outlet, the second air deflector opens the air outlet, and the front end of the second air deflector is located on the front side of the air outlet; the third zero air mode is configured as follows: the lower end of the first air guide plate and the front end of the second air guide plate are both located on the front side of the air outlet, and the lower end of the first air guide plate is close to or tightly attached to the front end of the second air guide plate; the first air deflector, the second air deflector and the shell form a second side air opening. According to the air conditioner indoor unit, air can be prevented from directly blowing a user, and the use comfort of the user is improved; and different requirements of users can be met, and the practicability of the air conditioner is enhanced.

Description

Technical Field

[0001] The present invention relates to the technical field of air conditioners, and in particular to an air conditioner indoor unit. Background Art

[0002] With the improvement of living standards, air conditioners have become one of the most commonly used household appliances, and users have put forward higher requirements for the comfort of using air conditioners. For example, in the hot summer, users often turn on the cooling mode of the air conditioner. If the cold wind blows directly on the user, the user will feel uncomfortable. Summary of the invention

[0003] The invention relates to an indoor unit of an air conditioner, which is used to solve the technical problem in the prior art that direct blowing of the air conditioner leads to poor user comfort.

[0004] The present invention provides an air conditioner indoor unit, comprising: a housing, a first air guide plate and a second air guide plate, wherein the housing has an air outlet; the upper end of the first air guide plate is pivotally connected to the upper edge of the air outlet, and the first air guide plate has a plurality of air dispersion holes; the rear end of the second air guide plate is connected to the housing;

[0005] The air conditioner indoor unit has a first zero wind mode and a third zero wind mode;

[0006] The first zero wind mode is configured as follows: the first air guide plate covers and closes the entire air outlet, the second air guide plate opens the air outlet, and the front end of the second air guide plate is located at the front side of the air outlet;

[0007] The third zero wind mode is configured as follows: the lower end of the first air guide plate and the front end of the second air guide plate are both located on the front side of the air outlet, and the lower end of the first air guide plate is close to or closely attached to the front end of the second air guide plate; the first air guide plate, the second air guide plate and the shell together form a second side air outlet.

[0008] The air-conditioning indoor unit provided by the present invention enables the air-conditioning to have a first zero-wind mode and a third zero-wind mode by changing the positions of the first air guide plate and the second air guide plate. On the first aspect, it can prevent wind from blowing directly downward on the user, thereby improving the user's comfort; on the second aspect, the first zero-wind mode and the third zero-wind mode have different air outlet positions and air outlet areas, and different heating or cooling efficiencies, which can adapt to different needs of users and enhance the practicality of the air-conditioning; on the third aspect, the pivot position of the first air guide plate is set at the upper edge of the air outlet, so that the length design and rotation of the first air guide plate are not restricted by the size of the air duct, thereby preventing wind from blowing out from the left and right ends or the upper and lower ends of the air outlet without passing through the air dispersion holes in the first zero-wind mode, thereby preventing wind from blowing directly on the user and improving the comfort of use of the air-conditioning; in addition, the lower end of the first air guide plate is close to or close to the inner surface of the second air guide plate, thereby improving the wind dispersion or soft wind effect.

[0009] Furthermore, if the air conditioner indoor unit is in the first zero wind mode, the angle between the first air guide plate and the blocking surface is ɑ 1 , the angle between the second air guide plate and the blocking surface is β 1 ; Among them, ɑ 1 and β 1 Satisfy respectively: 1 = 0° and β 1 The angle between the first air guide plate and the second air guide plate is 45°-55°. The blocking surface is the plane where the first air guide plate is located when the air outlet is closed. In this way, the wind blown out through the air vents is blocked by the second air guide plate, changing the direction of the wind and preventing the wind from blowing directly on the user.

[0010] Furthermore, if the air conditioner indoor unit is in the third zero wind mode, the angle between the first air guide plate and the blocking surface is ɑ 3 , the angle between the second air guide plate and the blocking surface is β 3 ; Among them, ɑ 3 and β 3 Satisfy respectively: 3 Between 45°-55° and β 3 This arrangement ensures that the bottom end of the first air guide plate is close to or in close contact with the inner surface of the second air guide plate, thereby preventing the gap between the bottom end of the first air guide plate and the second air guide plate from being too large, causing the wind to blow out of the gap and weakening the wind dispersion or soft wind effect.

[0011] Furthermore, the air conditioner indoor unit also has a conventional air outlet mode;

[0012] The conventional air outlet mode is configured as follows: the first air guide plate and the second air guide plate both open the air outlet, and a front air outlet is formed between the lower end of the first air guide plate and the front end of the second air guide plate. This configuration can meet the user's needs for rapid heating or cooling.

[0013] Furthermore, if the air conditioner indoor unit is in the conventional air outlet mode, the angle between the first air guide plate and the blocking surface is 4 , the angle between the second air guide plate and the blocking surface is β 4 ;

[0014] Among them, 4 and β 4 Satisfy respectively: 4 Between 45°-160° and β 4 The angle is between 20° and 135°. With such arrangement, both the first air guide plate and the second air guide plate have a large rotation range, and the two cooperate to realize a variety of air supply modes.

[0015] Furthermore,6 and β 6 Satisfy: 4 +β 4 =180°. This arrangement makes the first air guide plate and the second air guide plate substantially parallel, the air guide channel formed between the two is the longest, the directional air supply distance is longer, and the indoor temperature is more uniform.

[0016] Furthermore, the air conditioner indoor unit also has a closed mode;

[0017] The closed mode is configured as follows: the first air guide plate and the second air guide plate both close the air outlet, and the second air guide plate blocks the air dispersion hole. In this configuration, when the first air guide plate and the second air guide plate are in the closed state, the second air guide plate can completely cover the air dispersion hole of the first air guide plate to prevent dust from entering the air duct through the air dispersion hole.

[0018] Furthermore, a rear end of the second air guide plate is pivotally connected to a lower edge of the air outlet.

[0019] The air conditioner indoor unit provided by the present invention, by setting the pivotal positions of the second air guide plate at the lower edge of the air outlet respectively, so that the length design and rotation of the second air guide plate are not restricted by the size of the air duct, thereby preventing the wind from being blown out from the left and right ends of the air outlet without being blocked by the second air guide plate in the first zero wind mode or the third zero wind mode, preventing the wind from blowing directly downward on the user, and improving the comfort of using the air conditioner.

[0020] Furthermore, the second air guide plate is slidably connected to the outer side of the shell and can extend to the front side of the air outlet.

[0021] The air conditioner indoor unit provided by the present invention arranges the sliding connection position of the second air guide plate on the outside of the shell so that the sliding of the second air guide plate is not restricted by the size of the air duct; thus, it is avoided that in the first zero wind mode or the third zero wind mode, the wind is not blown out from the left and right ends of the air outlet without being blocked by the second air guide plate, thereby avoiding the wind from blowing directly downwards on the user, thereby improving the use comfort of the air conditioner.

[0022] Furthermore, the second air guide plate is pivotally connected to a first slider, and the first slider is slidably connected to the shell.

[0023] Furthermore, the shell includes an end cover, the end cover is provided with an arc-shaped slideway, and the first sliding block is slidably connected to the arc-shaped slideway.

[0024] Furthermore, the length of the second air guide plate is greater than that of the first air guide plate, and the length of the first air guide plate is greater than that of the air outlet. With such a configuration, on the one hand, in the first zero wind mode, the wind blown out through the air dispersion holes is guided through the second air guide plate to prevent the wind from blowing directly onto the user, thereby improving the comfort of using the air conditioner; on the other hand, in the third zero wind mode, the wind from the air outlet is prevented from blowing directly onto the user without being blocked by the second air guide plate, thereby improving the comfort of using the air conditioner; in addition, when the first air guide plate and the second air guide plate are in a closed state, the second air guide plate can completely cover the air dispersion holes of the first air guide plate, thereby preventing dust from entering the air duct through the air dispersion holes.

[0025] Furthermore, the width of the second air guide plate is greater than that of the first air guide plate, and the width of the first air guide plate is greater than that of the air outlet. With this arrangement, when the first air guide plate and the second air guide plate are in a closed state, the second air guide plate can completely cover the air holes of the first air guide plate, thereby preventing dust from entering the air duct through the air holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A schematic diagram of the structure of an air-conditioning indoor unit provided by an embodiment of the present invention in a first zero-wind mode;

[0027] Figure 2 A side view of an indoor unit of an air conditioner provided by an embodiment of the present invention in a first zero wind mode;

[0028] Figure 3 A schematic diagram of the structure of an air-conditioning indoor unit in a third zero wind mode provided by an embodiment of the present invention;

[0029] Figure 4 A side view of an air conditioner indoor unit provided by an embodiment of the present invention in a third zero wind mode;

[0030] Figure 5 A schematic diagram of the structure of an air-conditioning indoor unit provided by an embodiment of the present invention in a second zero-wind mode;

[0031] Figure 6 A side view of an air conditioner indoor unit provided by an embodiment of the present invention in a second zero wind mode;

[0032] Figure 7 A schematic diagram of the structure of an air conditioner indoor unit in a conventional air outlet mode provided by an embodiment of the present invention;

[0033] Figure 8 A side view of an indoor unit of an air conditioner provided by an embodiment of the present invention in a normal air outlet mode;

[0034] Fig. 9 A schematic diagram of the structure of an air conditioner indoor unit in a closed mode provided by an embodiment of the present invention;

[0035] Fig.10 A side view of an air conditioner indoor unit in a closed mode provided by an embodiment of the present invention;

[0036] Description of reference numerals:

[0037] 10. Shell; 101. Air outlet; 102. First side air outlet; 103. Second side air outlet; 20. First air guide plate; 201. Air dispersion hole; A. Blocking surface; 30. Second air guide plate; DETAILED DESCRIPTION

[0038] In order to make the above-mentioned objects, features and advantages of the present invention more clearly understood, the following Figure 1-10 The specific embodiments of the present invention are described in detail.

[0039] In the present invention, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure.

[0040] In the present invention, terms such as "inside", "outside", "upper", "lower", "front", and "back" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0041] The embodiment of the present invention provides an indoor unit of an air conditioner. Figure 1-Figure 4 , comprising: a housing 10, a first air guide plate 20 and a second air guide plate 30, the housing 10 having an air outlet 101; the upper end of the first air guide plate 20 is pivotally connected to the upper edge of the air outlet 101, and the first air guide plate 20 has a plurality of air dispersion holes 201; the rear end of the second air guide plate 30 is connected to the housing 10; the air conditioner indoor unit has a first zero wind mode and a third zero wind mode; the first zero wind mode is configured as follows: the first air guide plate 20 covers and closes the entire air outlet 101, and the second air guide plate 30 opens the air outlet 1 01 and the front end of the second air guide plate 30 is located in front of the air outlet 101, and the wind is blown out only from the wind dispersion hole 201; the third zero wind mode is configured as follows: the lower end of the first air guide plate 20 and the front end of the second air guide plate 30 are both located in front of the air outlet 101, and the lower end of the first air guide plate 20 is close to or closely attached to the front end of the second air guide plate 30; the first air guide plate 20, the second air guide plate 30 and the shell 10 are enclosed to form a second side air outlet 103, and the wind is blown out from the wind dispersion hole 201 and the second side air outlet 103.

[0042] It should be noted that when the air conditioner is in the first zero wind mode, wind is blown out only from the wind holes 201, and the front end of the second air guide plate 30 is located in front of the air outlet 101. The second air guide plate 30 guides the wind forward or upward to avoid the wind blowing directly downward on the user, thereby improving the user's comfort; when the air conditioner is in the third air outlet mode, wind is blown out from the wind holes 201 and the second side air outlets 103, thereby increasing the air outlet area, improving the cooling or heating efficiency of the air conditioner, and reducing the risk of condensation on the first air guide plate 20.

[0043] It should be noted that the upper end of the first air guide plate 20 is pivotally connected to the upper edge of the air outlet 101, that is, the upper end of the first air guide plate 20 is not pivotally connected to the air duct, so that the length of the first air guide plate 20 and the rotation of the first air guide plate 20 are not limited by the size of the air duct; if the first air guide plate 20 is in a closed state, the first air guide plate 20 can fully block the front side of the air outlet 101, avoiding the wind at the left and right ends of the air outlet 101 or the wind at the upper and lower ends of the air outlet 101 from blowing directly to the user without passing through the air dispersion holes 201, thereby improving the comfort of using the air conditioner.

[0044] It should be noted that when the air conditioner is in the first zero wind mode, the lower end of the first air guide plate 20 is close to or in close contact with the rear end of the second air guide plate 30; when the air conditioner is in the third zero wind mode, the lower end of the first air guide plate 20 is close to or in close contact with the front end of the second air guide plate 30; wherein, the lower end of the first air guide plate 20 is close to the front end of the second air guide plate 30, that is, there is a gap between the lower end of the first air guide plate 20 and the front end of the second air guide plate 30, and the gap is less than or equal to 5mm. This arrangement prevents the gap between the lower end of the first air guide plate 20 and the inner surface of the second air guide plate 30 from being too large, causing the wind to blow out from the gap between the two, weakening the wind dispersion or soft wind effect.

[0045] Therefore, the air-conditioning indoor unit provided by the embodiment of the present invention has a first zero wind mode and a third zero wind mode by changing the position of the first air guide plate 20 and the second air guide plate 30. On the first hand, it can prevent the wind from blowing directly downward on the user, thereby improving the user's comfort; on the second hand, the first zero wind mode and the third zero wind mode have different air outlet positions and air outlet areas, and different heating or cooling efficiencies, which can adapt to different needs of users and enhance the practicality of the air conditioner; on the third hand, the pivot position of the first air guide plate 20 is set at the upper edge of the air outlet 101, so that the length design and rotation of the first air guide plate 20 are not restricted by the size of the air duct, thereby preventing the wind from blowing out from the left and right ends or the upper and lower ends of the air outlet 101 without passing through the air dispersion holes 201 in the first zero wind mode, thereby preventing the wind from blowing directly on the user and improving the comfort of the air conditioner; in addition, the lower end of the first air guide plate 20 is close to or close to the inner surface of the second air guide plate 30, thereby improving the wind dispersion or soft wind effect.

[0046] See attached Figure 1 and Figure 2In this embodiment of the present invention, if the air conditioner indoor unit is in the first zero wind mode, the angle between the first air guide plate 20 and the blocking surface A is ɑ 1 , the angle between the second air guide plate 30 and the blocking surface A is β 1 ; Among them, ɑ 1 and β 1 Satisfy respectively: 1 = 0° and β 1 The blocking surface A is the plane where the first air guide plate 20 is located when the air outlet 101 is closed. In this way, the wind blown out through the air holes 201 is blocked by the second air guide plate 30, and the wind direction is changed to avoid the wind blowing directly on the user.

[0047] It should be noted that since the first air guide plate 20 can be a flat structure or a curved structure, if the first air guide plate 20 is a flat structure, the blocking surface A is the plane where the first air guide plate 20 is in a closed state, and is also the same plane where the upper and lower edges of the first air guide plate 20 are located; if the first air guide plate 20 is a curved structure, the blocking surface A is the same plane where the upper and lower edges of the first air guide plate 20 are located.

[0048] See attached Figure 3 and Figure 4 In this embodiment of the present invention, if the air conditioner indoor unit is in the third zero wind mode, the angle between the first air guide plate 20 and the blocking surface A is ɑ 3 , the angle between the second air guide plate 30 and the blocking surface A is β 3 ; Among them, ɑ 3 and β 3 Satisfy respectively: 3 Between 45°-55° and β 3 Such an arrangement can ensure that the bottom end of the first air guide plate 20 is close to or in close contact with the inner surface of the second air guide plate 30, thereby preventing the gap between the bottom end of the first air guide plate 20 and the second air guide plate 30 from being too large, causing the wind to blow out from the gap and weakening the wind dispersion or soft wind effect.

[0049] See attached Figure 5 and Figure 6In the embodiment of the present invention, the indoor unit of the air conditioner further has a second zero wind mode; the second zero wind mode is configured as follows: the lower end of the first air guide plate 20 and the front end of the second air guide plate 30 are both located in front of the air outlet 101, and the lower end of the first air guide plate 20 is close to or in close contact with the middle position between the front end and the rear end of the second air guide plate 30, the first air guide plate 20, the second air guide plate 30 and the housing 10 enclose a first side air outlet 102, and the wind is blown out from the air dispersion hole 201 and the first side air outlet 102, wherein the area of ​​the first side air outlet 102 is smaller than the area of ​​the second side air outlet 103. In this way, the air outlet area of ​​the second zero wind mode is larger than the air outlet area of ​​the first zero wind mode and smaller than the air outlet area of ​​the third zero wind mode, which further adapts to the different needs of users and enhances the practicality of the air conditioner.

[0050] See attached Figure 5 and Figure 6 In this embodiment of the present invention, if the air conditioner indoor unit is in the second zero wind mode, the angle between the first air guide plate 20 and the blocking surface A is ɑ 2 , the angle between the second air guide plate 30 and the blocking surface A is β 2 ; Among them, ɑ 2 and β 2 Satisfy respectively: 2 Between 25°-35° and β 2 Such an arrangement can ensure that the bottom end of the first air guide plate 20 is close to or in close contact with the inner surface of the second air guide plate 30, thereby preventing the gap between the bottom end of the first air guide plate 20 and the second air guide plate 30 from being too large, causing the wind to blow out from the gap and weakening the wind dispersion or soft wind effect.

[0051] See attached Figure 7 and Figure 8 In the embodiment of the present invention, the air conditioner indoor unit also has a normal air outlet mode; the normal air outlet mode is configured as follows: the first air guide plate 20 and the second air guide plate 30 both open the air outlet 101, and a front air outlet is formed between the lower end of the first air guide plate 20 and the front end of the second air guide plate 30. Such a configuration can meet the user's needs for rapid heating or cooling.

[0052] See attached Figure 7 and Figure 8 In this embodiment of the present invention, if the indoor unit of the air conditioner is in the normal air outlet mode, the angle between the first air guide plate 20 and the blocking surface A is ɑ 4 , the angle between the second air guide plate 30 and the blocking surface A is β 4 ; Among them, ɑ 4 and β 4 Satisfy respectively: 4 Between 45°-160° and β 4The angle is between 20° and 135°. With such arrangement, both the first air guide plate and the second air guide plate have a large rotation range, and the two cooperate to realize a variety of air supply modes.

[0053] In the embodiment of the present invention, preferably, 4 and β 4 Satisfaction: 4 +β 4 =180°. Such an arrangement makes the first air guide plate 20 and the second air guide plate 30 substantially parallel, the air guide channel formed between the two is the longest, the directional air supply distance is longer, and the indoor temperature is more uniform.

[0054] In the embodiment of the present invention, the indoor unit of the air conditioner also has a closed mode; the closed mode is configured as follows: the first air guide plate 20 and the second air guide plate 30 both close the air outlet 101, and the second air guide plate 30 blocks the air dispersion hole 201. In this configuration, when the first air guide plate 20 and the second air guide plate 30 are in the closed state, the second air guide plate 30 can completely cover the air dispersion hole 201 of the first air guide plate 20, thereby preventing dust from entering the air duct through the air dispersion hole 201.

[0055] See attached Figure 1-Figure 10 In one implementation of the embodiment of the present invention, a rear end of the second air guide plate 30 is pivotally connected to a lower edge of the air outlet 101 .

[0056] It should be noted that the rear end of the second air guide plate 30 is pivotally connected to the lower edge of the air outlet 101, that is, the rear end of the second air guide plate 30 is not pivotally connected to the air duct, so that the length of the second air guide plate 30 and the rotation of the second air guide plate 30 are not limited by the size of the air duct; if the second air guide plate 30 opens the air outlet 101 and the front end of the second air guide plate 30 is located in front of the air outlet 101, when the lower end of the first air guide plate 20 is close to or close to the inner surface of the second air guide plate 30, the second air guide plate 30 guides the wind blown out of the air dispersion holes 201 to avoid the wind blowing directly on the user, thereby improving the comfort of using the air conditioner.

[0057] The air conditioner indoor unit provided by the embodiment of the present invention, by setting the pivotal position of the second air guide plate 30 at the lower edge of the air outlet 101, the length design and rotation of the second air guide plate 30 are not limited by the size of the air duct, thereby preventing the wind from being blown out from the left and right ends of the air outlet 101 without being blocked by the second air guide plate 30 in the first zero wind mode or the third zero wind mode, thereby preventing the wind from blowing directly on the user, thereby improving the comfort of using the air conditioner.

[0058] In another implementation of the embodiment of the present invention, the second air guide plate 30 is slidably connected to the outside of the housing 10 and can extend to the front side of the air outlet 101 .

[0059] It should be noted that the second air guide plate 30 is slidably connected to the outside of the shell 10, rather than being slidably connected inside the air duct, so that the sliding of the second air guide plate 30 is not limited by the size of the air duct; if the second air guide plate 30 opens the air outlet 101 and the front end of the second air guide plate 30 is located in front of the air outlet 101, when the lower end of the first air guide plate 20 is close to or close to the inner surface of the second air guide plate 30, the second air guide plate 30 guides the wind blown out of the air dispersion holes 201 in the upward direction, avoiding the wind from blowing directly on the user, thereby improving the comfort of using the air conditioner.

[0060] The air-conditioning indoor unit provided in the embodiment of the present invention sets the sliding connection position of the second air guide plate 30 on the outside of the shell 10, so that the sliding of the second air guide plate 30 is not restricted by the size of the air duct; thereby preventing the wind from being blown out from the left and right ends of the air outlet 101 without being blocked by the second air guide plate 30 in the first zero wind mode or the third zero wind mode, thereby preventing the wind from blowing directly on the user, thereby improving the comfort of using the air conditioner.

[0061] In the embodiment of the present invention, the second air guide plate 30 is pivotally connected to the first slider, and the first slider is slidably connected to the housing 10. With such a configuration, the second air guide plate 30 can close the air outlet 101 and block the air dispersion hole 201.

[0062] In the embodiment of the present invention, the housing 10 includes an end cover, the end cover is provided with an arc-shaped slideway, and the first sliding block is slidably connected to the arc-shaped slideway.

[0063] In the embodiment of the present invention, the length of the second air guide plate 30 is greater than that of the first air guide plate 20, and the length of the first air guide plate 20 is greater than that of the air outlet 101. With such a configuration, on the one hand, in the first zero wind mode, the wind blown out through the air dispersion hole 201 is guided forward or upward through the second air guide plate 30, so as to prevent the wind from blowing directly on the user, thereby improving the comfort of the air conditioner; on the other hand, in the third zero wind mode, the wind from the air outlet 101 is prevented from blowing directly on the user without being blocked by the second air guide plate 20, thereby improving the comfort of the air conditioner; in addition, when the first air guide plate 20 and the second air guide plate 30 are in the closed state, the second air guide plate 30 can completely cover the air dispersion hole 201 of the first air guide plate 20, thereby preventing dust from entering the air duct through the air dispersion hole 201.

[0064] In the embodiment of the present invention, the width of the second air guide plate 30 is greater than the width of the first air guide plate 20, and the width of the first air guide plate 20 is greater than the width of the air outlet 101. With such a configuration, when the first air guide plate 20 and the second air guide plate 30 are in a closed state, the second air guide plate 30 can completely cover the air dispersion holes 201 of the first air guide plate 20, thereby preventing dust from entering the air duct through the air dispersion holes 201.

[0065] Although the present invention is disclosed as above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the scope defined by the claims.

Claims

1. An air conditioner indoor unit, characterized in that: include: A shell (10), a first air guide plate (20) and a second air guide plate (30), wherein the shell (10) has an air outlet (101); the upper end of the first air guide plate (20) is pivotally connected to the upper edge of the air outlet (101), and the first air guide plate (20) has a plurality of air dispersion holes (201); the rear end of the second air guide plate (30) is connected to the shell (10); The air conditioner indoor unit has a first zero wind mode and a third zero wind mode; The first zero-wind mode is configured as follows: the first air guide plate (20) covers and closes the entire air outlet (101), the second air guide plate (30) opens the air outlet (101), and the front end of the second air guide plate (30) is located in front of the air outlet (101); The third zero-wind mode is configured as follows: the lower end of the first air guide plate (20) and the front end of the second air guide plate (30) are both located in front of the air outlet (101), and the lower end of the first air guide plate (20) is close to or in close contact with the front end of the second air guide plate (30); the first air guide plate (20), the second air guide plate (30) and the shell (10) are combined to form a second side air outlet (103).

2. The air conditioner indoor unit according to claim 1, characterized in that: If the air conditioner indoor unit is in the first zero wind mode, the angle between the first air guide plate (20) and the blocking surface (A) is ɑ1, and the angle between the second air guide plate (30) and the blocking surface (A) is β1; Wherein, ɑ1 and β1 respectively satisfy: ɑ1=0° and β1 is between 45° and 55°; the blocking surface (A) is the plane where the first air guide plate (20) is located when closing the air outlet (101); If the air conditioner indoor unit is in the third zero wind mode, the angle between the first air guide plate (20) and the blocking surface (A) is ɑ3, and the angle between the second air guide plate (30) and the blocking surface (A) is β3; wherein ɑ3 and β3 respectively satisfy: ɑ3 is between 45°-55° and β3 is between 55°-65°.

3. The air conditioner indoor unit according to claim 1, characterized in that: The air conditioner indoor unit also has a conventional air outlet mode and / or a closed mode; The conventional air outlet mode is configured as follows: the first air guide plate (20) and the second air guide plate (30) both open the air outlet (101), and a front air outlet is formed between the lower end of the first air guide plate (20) and the front end of the second air guide plate (30); The closed mode is configured as follows: the first air guide plate (20) and the second air guide plate (30) both close the air outlet (101), and the second air guide plate (30) blocks the air dispersion hole (201).

4. The air conditioner indoor unit according to claim 3, characterized in that: If the air conditioner indoor unit is in the conventional air outlet mode, the angle between the first air guide plate (20) and the blocking surface (A) is ɑ4, and the angle between the second air guide plate (30) and the blocking surface (A) is β4; Wherein, ɑ4 and β4 respectively satisfy: ɑ4 is between 45°-160° and β4 is between 20°-135°; the blocking surface (A) is the plane where the first air guide plate (20) is located when closing the air outlet (101).

5. The air conditioner indoor unit according to claim 4, characterized in that: ɑ4 and β4 satisfy: ɑ4+β4=180°.

6. The air conditioner indoor unit according to any one of claims 1 to 5, characterized in that: The rear end of the second air guide plate (30) is pivotally connected to the lower edge of the air outlet (101).

7. The air conditioner indoor unit according to any one of claims 1 to 5, characterized in that: The second air guide plate (30) is slidably connected to the outside of the shell (10) and can extend to the front side of the air outlet (101).

8. The air conditioner indoor unit according to claim 7, characterized in that: The second air guide plate (30) is pivotally connected to a first sliding block, and the first sliding block is slidably connected to the housing (10).

9. The air conditioner indoor unit according to claim 8, characterized in that: The housing (10) comprises an end cover, the end cover is provided with an arc-shaped slideway, and the first sliding block is slidably connected to the arc-shaped slideway.

10. The air conditioner indoor unit according to any one of claims 1 to 5, characterized in that: The length of the second air guide plate (30) is greater than the length of the first air guide plate (20), and the length of the first air guide plate (20) is greater than the length of the air outlet (101); and / or the width of the second air guide plate (30) is greater than the width of the first air guide plate (20), and the width of the first air guide plate (20) is greater than the width of the air outlet (101).

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