Reversible air outlet air conditioner indoor unit, air conditioner and control method

Abstract

The invention provides an air conditioner indoor unit capable of discharging air reversibly, an air conditioner and a control method, the air conditioner indoor unit capable of discharging air reversibly comprises a first air opening, a second air opening and a detection device, the first air opening is located above the second air opening, the first air opening can form an upper air outlet, and the second air opening can form a lower air outlet; when the first air port discharges air, the second air port does not discharge air, so that an upper air outlet mode is formed; when the second air port discharges air, the first air port does not discharge air, so that a lower air outlet mode is formed; the first air port and the second air port can discharge air at the same time to form an up-down air outlet mode. According to the wall-mounted air conditioner, at least three different air outlet modes of upper air outlet, lower air outlet and upper and lower air outlet can be achieved, multiple air outlet modes can be selected for air outlet according to needs, and the problem that in the prior art, an air conditioner wall-mounted unit cannot provide multifunctional modes such as shower type cooling, carpet heating and rapid cooling / heating is solved. And the indoor comfort degree is not high.

Description

TECHNICAL FIELD

[0001] The present application relates to the air conditioning technical field, and particularly relates to a reversible air outlet air conditioner indoor unit, an air conditioner and a control method. BACKGROUND

[0002] Traditional wall-mounted air conditioners usually adopt a single air deflector or two small air deflectors, and the problem of cold wind blowing people often exists, and such technology cannot meet the comfort requirements of people on air conditioners. With the increasing demand for comfort, air conditioners can quickly control temperature, and the future development trend is that people are not blown during air conditioner operation.

[0003] In the prior art, there is a double-duct air conditioner wall hanging machine with up and down air outlets, but it can only realize simultaneous up and down air outlet, or only realize up air outlet or down air outlet, and cannot realize the structure of simultaneously realizing the above multiple functions, and cannot provide multiple air outlet modes for selection, so that users cannot make a selection that meets the maximum comfort between shower cooling, carpet heating and rapid cooling, resulting in reduced comfort.

[0004] Since the air conditioner wall hanging machine with up and down air outlets in the prior art cannot provide multiple function mode technologies including shower cooling, carpet heating and rapid cooling, the present application researches and designs a reversible air outlet air conditioner indoor unit, an air conditioner and a control method. SUMMARY

[0005] Therefore, the technical problem to be solved by the present application is to overcome the defects in the prior art that the air conditioner wall hanging machine cannot provide multiple function modes including shower cooling, carpet heating and rapid cooling and / or heating, thereby providing a reversible air outlet air conditioner indoor unit, an air conditioner and a control method.

[0006] In order to solve the above problems, the present application provides a reversible air outlet air conditioner indoor unit, which comprises: A first air outlet and a second air outlet, the first air outlet is located above the second air outlet, the first air outlet can form an up air outlet, and the second air outlet can form a down air outlet; the second air outlet can not blow air when the first air outlet blows air to form an up air outlet mode; the first air outlet can not blow air when the second air outlet blows air to form a down air outlet mode; the first air outlet and the second air outlet can blow air at the same time to form an up and down air outlet mode; The detection device, the first air deflector and the second air deflector are arranged at the first air outlet and the second air outlet respectively, and can open the first air outlet and the second air outlet or adjust the air outlet direction of the first air outlet and the second air outlet; the detection device can detect the position of the user, and the first air deflector and the second air deflector can be controlled to direct the air outlet according to the detected position.

[0007] In some embodiments, The shell, the first air duct, the second air duct and the third air outlet are further included. The first air duct and the second air duct are located inside the shell, and the first air duct is located above the second air duct; one end of the first air duct is located inside the shell, and the other end forms the first air outlet and faces the indoor; one end of the second air duct is located inside the shell, and the other end forms the second air outlet and faces the indoor. The third air outlet is located at the top end of the shell, and air can enter the shell through the third air outlet; the air entering from the third air outlet can at least partially enter the first air duct to be discharged from the first air outlet; the air entering from the third air outlet can at least partially enter the second air duct to be discharged from the second air outlet; the first air outlet and the third air outlet are located on different surfaces.

[0008] In some embodiments, One end of the first air duct inside the shell is opposite to one end of the second air duct inside the shell and can be in communication; In the upper air outlet mode, the third air outlet can guide air into the first air duct, and the second air outlet can guide air into the first air duct as an air inlet to the second air duct, and the first air outlet can be an air outlet to the indoor; In the lower air outlet mode, the third air outlet can guide air into the second air duct, and the first air outlet can guide air into the second air duct as an air inlet to the first air duct, and the second air outlet can be an air outlet to the indoor; In the upper and lower air outlet mode, the third air outlet can guide air into the first air duct and the second air duct, and the first air outlet and the second air outlet can be air outlets.

[0009] In some embodiments, The fourth air inlet is located between the first air inlet and the second air inlet, and the fourth air inlet can also introduce air into the interior of the shell; the fourth air inlet and the second air inlet are located on different surfaces. In the upper air outlet mode, the third air inlet, the fourth air inlet and the second air inlet all introduce air into the interior of the shell and can guide the air into the first air duct; In the lower air outlet mode, the third air inlet, the fourth air inlet and the first air inlet all introduce air into the interior of the shell and can guide the air into the second air duct; In the upper and lower air outlet mode, the third air inlet can introduce air into the interior of the shell, part of which is guided into the first air duct and part of which is guided into the second air duct, and the fourth air inlet can also introduce air into the interior of the shell, part of which is guided into the first air duct and part of which is guided into the second air duct.

[0010] In some embodiments, The air outlet direction of the first air inlet is along the horizontal direction, the air outlet direction of the second air inlet is downward at an angle A0 with the vertical direction, and 20°≤A0≤60°; the third air inlet introduces air along the vertical direction downward, and the fourth air inlet introduces air at an angle B0 with the vertical direction, and 0°<B0<90°.

[0011] In some embodiments, The panel is arranged on the side of the shell facing the room; the fourth air inlet is a gap arranged on the panel, and the gap is in a normally open state; the region between the first air duct and the second air duct is opposite to the fourth air inlet, so that the air entering from the fourth air inlet at least partially enters the first air duct and / or at least partially enters the second air duct.

[0012] In some embodiments, The heat exchanger is also arranged in the shell, and at least part of the structure of the heat exchanger is arranged in the region between the first air duct and the second air duct; the heat exchanger comprises a first heat exchange section, a second heat exchange section and a third heat exchange section, at least part of the structure of the first heat exchange section is located between the third air inlet and the second air duct, at least part of the structure of the second heat exchange section is located between the first air duct and the second air duct, and at least part of the structure of the third heat exchange section is located between the fourth air inlet and the first air duct.

[0013] In some embodiments, The first heat exchange section, the second heat exchange section and the third heat exchange section are straight section structures, the second heat exchange section is connected between the first heat exchange section and the third heat exchange section; a first bend is formed at the position where the first heat exchange section and the second heat exchange section meet, and a second bend is formed at the position where the second heat exchange section and the third heat exchange section meet, so that the heat exchanger forms a three-section structure with two bends. The end of the first heat exchange section away from the second heat exchange section is connected with the second air duct, the end of the second heat exchange section away from the third heat exchange section is connected with the first air duct, the end of the third heat exchange section close to the second heat exchange section is connected with the first air duct, and the end of the third heat exchange section away from the second heat exchange section is connected with the first air duct.

[0014] In some embodiments, In the longitudinal section, the first air duct includes opposite first and second air duct walls, the second air duct includes opposite third and fourth air duct walls, the end of the first heat exchange section away from the second heat exchange section is connected with the third air duct wall, the end of the second heat exchange section away from the third heat exchange section is connected with the first air duct wall, the end of the third heat exchange section close to the second heat exchange section is connected with the fourth air duct wall, and the end of the third heat exchange section away from the second heat exchange section is connected with the second air duct wall.

[0015] In some embodiments, Further comprising a first fan blade and a second fan blade, at least part of the structure of the first fan blade is arranged in the first air duct, and at least part of the structure of the second fan blade is arranged in the second air duct, The first fan blade and the second fan blade are spaced and oppositely arranged, and at least part of the structure of the heat exchanger is also located in the spacing space between the first fan blade and the second fan blade; In the up air outlet mode, the first fan blade rotates, and the second fan blade does not rotate; In the down air outlet mode, the second fan blade rotates, and the first fan blade does not rotate; In the up and down air outlet mode, the first fan blade and the second fan blade both rotate.

[0016] The application also provides an air conditioner comprising the reversible air outlet air conditioner indoor unit.

[0017] The application also provides a control method of the reversible air outlet air conditioner indoor unit, which comprises: A judging step of judging whether the air conditioner indoor unit operates in a cooling mode; A detecting step of detecting the position of a user and the body surface temperature B of a human body through the detecting device; judging a relationship between the temperature B and the set temperature A; controlling the second fan blade to stop rotating, controlling the first fan blade to rotate, and air flowing into the air conditioner indoor unit from the second air outlet, the third air outlet and the fourth air outlet and blowing out from the first air outlet to form an up air outlet mode when B controlling the power output of the air conditioner indoor unit and the guide angle of the first and second guide vanes according to the historical record of the user in the state and the location of the user when B≥A.

[0018] In some embodiments, In the control step, when B≥A: If the user needs direct blowing for rapid cooling, further detecting the location of the user, if the user is in the far field area of the room, controlling the air conditioner indoor unit to increase the power output, controlling the second guide vane to open so that the air flows in the horizontal direction, and controlling the first guide vane to press down the air so that the extension line of the guide surface of the first guide vane intersects at the torso of the user, lower than the head; if the user is in the near field area of the room, controlling the air conditioner indoor unit to reduce the power output, controlling the included angle D between the connecting line between the lower edge of the first air outlet and the head of the user and the guide surface of the first guide vane to be greater than 0, and controlling the second guide vane to open and press down the air so that the extension line of the guide surface of the second guide vane intersects at the torso of the user, lower than the head. If the user does not need the cold air to blow directly on the body, further detecting the location of the user, if the user is in the far field area of the room, controlling the air conditioner indoor unit to increase the power output, controlling the second guide vane to open so that the air flows in the horizontal direction, and controlling the first guide vane to press down the air, controlling the included angle D between the connecting line between the lower edge of the first air outlet and the head of the user and the guide surface of the first guide vane to be greater than 0; if the user is in the near field area of the room, controlling the air conditioner indoor unit to reduce the power output, controlling the included angle D between the connecting line between the lower edge of the first air outlet and the head of the user and the guide surface of the first guide vane to be greater than 0, and controlling the second guide vane to open and press down the air so that the extension line of the guide surface of the second guide vane intersects at the bottom of the feet of the user, lower than the torso.

[0019] The air conditioner indoor unit, the air conditioner and the control method provided by the application have the following beneficial effects: 1.The air conditioner indoor unit of the present application can realize at least three different air outlet modes, i.e., upward air outlet mode, downward air outlet mode and upward and downward air outlet mode, and can select multiple air outlet modes according to needs, especially, in the bypass cooling mode, the shower cooling mode is realized by the upward air outlet mode, in the bypass heating mode, the carpet heating mode is realized by the downward air outlet mode, in the fast cooling mode, the fast cooling mode is realized by the upward and downward air outlet mode, and in the fast heating mode, the fast heating mode is realized by the upward and downward air outlet mode, which solves the problem that the prior art can only simply blow air upward or downward, and cannot blow air upward and downward simultaneously, and solves the problem that the air outlet mode is single and cannot realize fast temperature rise and fall, and solves the problem that the prior art air conditioner wall-mounted machine cannot provide multiple functions including shower cooling mode, carpet heating mode and fast cooling / heating mode, which results in low indoor comfort, and the present application can detect the user's position in real time through the detection device, and control the air guiding direction of the first and second air deflectors according to the user's position, so as to realize the user's cooling comfort while ensuring no blowing on the head and avoiding discomfort, when the user needs fast cooling, the cool air is blown to the torso, and when the user does not need to blow on the body, the cool air is blown to the foot position, which further improves the user's cooling comfort.

[0020] 2.The third air outlet provided on the top of the shell of the air conditioner indoor unit can be used for air inlet of the indoor unit, which increases the air inlet amount of the indoor unit, especially, the third air outlet and the first air outlet are located on different surfaces, so that the air inlet of the third air outlet and the air inlet / outlet of the first air outlet are not affected, so that the third air outlet and the first air outlet can simultaneously inlet air, and the first air outlet can still outlet air when the third air outlet inlets air, which effectively realizes the upward and downward air outlet mode, and the second air outlet located below can also inlet air in the upward air outlet mode, which can further increase the air inlet amount of the indoor unit, and the first air outlet located above can also inlet air in the downward air outlet mode, which can further increase the air inlet amount of the indoor unit, so that the air inlet amount is further increased when multiple air outlet modes are realized, the cooling and heating capacity of the air conditioner indoor unit is improved, and the energy efficiency is improved.

[0021] 3. The present application can further increase the air intake of the air conditioner indoor unit by setting a fourth air outlet between the first and second air outlets (preferably on one side of the panel), the fourth air outlet is located on a different surface from the second air outlet, so that the air intake of the fourth air outlet is not affected by the air intake and exhaust of the second air outlet, so that the fourth air outlet and the second air outlet can simultaneously intake air, and the second air outlet can still exhaust air when the fourth air outlet intakes air, effectively realizing the up and down air outlet mode; thereby further increasing the air intake when realizing various air outlet modes, improving the refrigeration and heating capacity of the air conditioner indoor unit, and improving the energy efficiency.

[0022] 4. The present application can further increase the air intake of the air conditioner indoor unit by setting a fourth air outlet between the first and second air outlets (preferably on one side of the panel), the fourth air outlet is located on a different surface from the second air outlet, so that the air intake of the fourth air outlet is not affected by the air intake and exhaust of the second air outlet, so that the fourth air outlet and the second air outlet can simultaneously intake air, and the second air outlet can still exhaust air when the fourth air outlet intakes air, effectively realizing the up and down air outlet mode; thereby further increasing the air intake when realizing various air outlet modes, improving the refrigeration and heating capacity of the air conditioner indoor unit, and improving the energy efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a longitudinal sectional internal view of the reversible air outlet air conditioner indoor unit of the present application; Figure 2 is a longitudinal sectional internal view of the reversible air outlet air conditioner indoor unit of the present application (the connection between the heat exchanger and the first and second air ducts is indicated); Figure 3 is a gas flow state diagram of the reversible air outlet air conditioner indoor unit of the present application when air is simultaneously exhausted up and down; Figure 4 is a gas flow state diagram of the reversible air outlet air conditioner indoor unit of the present application when air is exhausted up; Figure 5 is a gas flow state diagram of the reversible air outlet air conditioner indoor unit of the present application when air is exhausted down; Figure 6 is a control logic diagram of the control method of the present application.

[0024] The reference signs are as follows: 1, first air port; 2, second air port; 3, shell; 4, first air duct; 41, first air duct wall; 42, second air duct wall; 5, second air duct; 51, third air duct wall; 52, fourth air duct wall; 6, third air port; 7, fourth air port; 8, panel; 91, first air deflector; 92, second air deflector; 93, detection device; 10, heat exchanger; 11, first heat exchange section; 12, second heat exchange section; 13, third heat exchange section; 14, first fan blade; 15, second fan blade; 16, motor. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The description of the at least one example embodiment is actually only illustrative, but not intended to limit the present application and its application or use in any way. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0026] It should be noted that the terms used herein are only intended to describe specific embodiments, and are not intended to limit the example embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and it should also be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0027] Unless specifically stated otherwise, the relative arrangement of components and steps, numerical expressions, and numerical values set forth in the examples are not intended to limit the scope of the present application. At the same time, it should be understood that the sizes of the various parts shown in the drawings are not drawn in proportion. The techniques, methods and devices known to those of ordinary skill in the relevant art can not be discussed in detail, but should be considered as part of the authorized description. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of example embodiments can have different values. It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0028] In the description of the present application, it needs to be understood that the orientation words such as "front, back, upper, lower, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship is generally based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, without making the opposite statement, these orientation words do not indicate and imply that the device or element indicated must have a particular orientation or be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the scope of protection of the present application; the orientation words "inner, outer" refer to the inner and outer relative to the contour of each component itself.

[0029] For the convenience of description, spatial relative terms such as "over", "above", "upper surface", "upper" and the like can be used herein to describe the spatial position relationship of one device or feature with other devices or features as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawings. For example, if the device in the drawing is inverted, the device described as "above" or "over" other devices or structures will be positioned "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below" orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein are interpreted accordingly.

[0030] In addition, it needs to be pointed out that the use of "first", "second" and the like to define parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, therefore cannot be understood as a limitation on the scope of protection of the present application.

[0031] As Figures 1-6 shown, the present application provides a reversible air outlet air conditioner indoor unit, which comprises: A first air outlet 1 and a second air outlet 2, the first air outlet 1 is located above the second air outlet 2, the first air outlet 1 can form an upper air outlet, the second air outlet 2 can form a lower air outlet; the second air outlet 2 can not blow air when the first air outlet 1 blows air, to form an upper air outlet mode; the first air outlet 1 can not blow air when the second air outlet 2 blows air, to form a lower air outlet mode; the first air outlet 1 and the second air outlet 2 can blow air at the same time, to form an upper and lower air outlet mode; Further comprising a detection device 93, a first air deflector 91 and a second air deflector 92, the first air deflector 91 is arranged at the first air outlet 1 to open the first air outlet 1 or adjust the air outlet direction of the first air outlet 1, the second air deflector 92 is arranged at the second air outlet 2 to open the second air outlet 2 or adjust the air outlet direction of the second air outlet 2; the detection device 93 can detect the position of the user, and the first air deflector 91 and the second air deflector 92 can be controlled to guide the air outlet according to the detected position.

[0032] The present application can realize at least three different air outlet modes, i.e. up air outlet mode, down air outlet mode and up-down air outlet mode, and can select multiple air outlet modes to realize air outlet according to needs, especially in the bypass cooling mode, the up air outlet mode is used to realize shower cooling of the indoor, in the bypass heating mode, the down air outlet mode is used to realize carpet heating of the indoor, in the fast cooling mode, the up-down air outlet mode is used to realize fast cooling of the indoor, and in the fast heating mode, the up-down air outlet mode is used to realize fast heating of the indoor, thereby solving the problem that the prior art can only realize simple up air outlet or down air outlet and cannot realize up-down air outlet; and solving the problem that the air outlet mode is single and cannot realize fast temperature rise and fall; effectively solving the problem that the prior art air conditioner wall-mounted machine cannot provide multiple functions including shower cooling, carpet heating and fast cooling / heating, thereby causing low indoor comfort; the present application can also detect the position of the user in real time through the detection device, and control the air guiding direction of the first and second air deflectors according to the position of the user, thereby realizing the user cooling comfort while ensuring no blowing to the head and avoiding uncomfortable situations, when the user needs fast cooling, the cool air is controlled to blow to the trunk part, when the user does not need to blow to the body, the cool air is controlled to blow to the foot position, thereby further improving the user cooling comfort.

[0033] In some embodiments, Further comprising a shell 3 (or panel body), a first air duct 4, a second air duct 5 and a third air outlet 6; The first air duct 4 and the second air duct 5 are located inside the shell 3, and the first air duct 4 is located above the second air duct 5, one end of the first air duct 4 is located inside the shell 3, the other end forms the first air outlet 1 and faces the indoor, one end of the second air duct 5 is located inside the shell 3, the other end forms the second air outlet 2 and faces the indoor; The third air inlet 6 is located at the top end of the shell 3, air can enter the shell 3 through the third air inlet 6, the air entering from the third air inlet 6 can at least partially enter the first air duct 4 to be discharged from the first air outlet 1, and the air entering from the third air inlet 6 can at least partially enter the second air duct 5 to be discharged from the second air outlet 2; the first air outlet 1 and the third air inlet 6 are located on different surfaces.

[0034] The third air inlet 6 is located at the top end of the shell 3, air can enter the shell 3 through the third air inlet 6, the air entering from the third air inlet 6 can at least partially enter the first air duct 4 to be discharged from the first air outlet 1, and the air entering from the third air inlet 6 can at least partially enter the second air duct 5 to be discharged from the second air outlet 2; the first air outlet 1 and the third air inlet 6 are located on different surfaces.

[0035] In some embodiments, The first air duct 4 is located at one end inside the shell 3 and opposite to one end of the second air duct 5 inside the shell 3 and can be communicated; In the upper air outlet mode, the third air inlet 6 enters air into the shell 3 and guides the air into the first air duct 4, at this time, the second air outlet 2 serves as an air inlet to enable air to enter the second air duct 5 and further guide the air into the first air duct 4, and the first air outlet 1 serves as an air outlet blowing to the indoor; In the lower air outlet mode, the third air inlet 6 enters air into the shell 3 and can guide the air into the second air duct 5, at this time, the first air outlet 1 serves as an air inlet to enable air to enter the first air duct 4 and guide the air into the second air duct 5, and the second air outlet 2 serves as an air outlet blowing to the indoor; In the upper and lower air outlet mode, the third air inlet 6 enters air into the shell 3 and can guide the air at least partially into the first air duct 4 and at least partially into the second air duct 5, at this time, the first air outlet 1 and the second air outlet 2 both serve as air outlets.

[0036] The preferred structure form can make the first air inlet air flow enter the second air duct and the second air inlet air flow enter the first air duct, especially in the upper air outlet mode, the second air inlet located below can also enter air, which can further increase the air inlet amount of the indoor unit; in the lower air outlet mode, the first air outlet located above can also enter air, which can further increase the air inlet amount of the indoor unit; thereby the air inlet amount can be further increased when realizing multiple air outlet modes, the refrigeration and heating capacity of the air conditioner indoor unit can be improved, and the energy efficiency can be improved.

[0037] In some embodiments, A fourth air inlet 7 is further included, which is located between the first air inlet 1 and the second air inlet 2 and can also introduce air into the interior of the housing 3; the fourth air inlet 7 and the second air inlet 2 are located on different surfaces. In the upper air outlet mode, the third air inlet 6, the fourth air inlet 7 and the second air inlet 2 all introduce air into the housing 3 and can guide the air into the first air duct 4. In the lower air outlet mode, the third air inlet 6, the fourth air inlet 7 and the first air inlet 1 all introduce air into the housing 3 and can guide the air into the second air duct 5. In the upper and lower air outlet mode, the third air inlet 6 can introduce air into the housing 3, part of which is guided into the first air duct 4 and part of which is guided into the second air duct 5; the fourth air inlet 7 can also introduce air into the housing 3, part of which is guided into the first air duct 4 and part of which is guided into the second air duct 5.

[0038] The preferred structural form of the fourth air inlet provided between the first and second air inlets (preferably on one side of the panel) can further increase the air inlet amount of the air conditioner indoor unit. The fourth air inlet and the second air inlet are located on different surfaces, so that the air inlet of the fourth air inlet is not affected by the air inlet / outlet of the second air inlet. The fourth air inlet and the second air inlet can simultaneously introduce air, and the second air inlet can also outlet air when the fourth air inlet introduces air, effectively realizing the upper and lower air outlet mode. Thus, the air inlet amount can be further increased when realizing various air outlet modes, the refrigeration and heating capacity of the air conditioner indoor unit can be improved, and the energy efficiency can be improved.

[0039] In some embodiments, The air outlet direction of the first air inlet 1 is along the horizontal direction, the air outlet direction of the second air inlet 2 is downward at an angle A0 with the vertical direction, and 20°≤A0≤60°; the third air inlet 6 introduces air along the vertical direction downward, and the fourth air inlet 7 introduces air at an angle B0 (not shown) with the vertical direction, 0°<B0<90°.

[0040] It is the preferred opening direction of the first to fourth air ports of the present application, the limited air inlet direction and air outlet direction, the upper air port of the upper air duct is preferably designed to be horizontally forward, which can realize the purpose and effect of shower type refrigeration without additional air deflector; the second air port of the lower air duct is designed to be at a certain angle A0 with the vertical direction, preferably 20°≤A0≤60°, which can complete the effect of blowing air downward and forward without additional air deflector, improve the effect of carpet type heating, the third air port is preferably vertically downward, which can be opened in cooperation with the plane structure above the bottom shell, and the fourth air port is inclined at an angle B with the vertical direction, which can cooperate with the arc-shaped panel structure to inlet air from bottom to top, and the arc-shaped panel is more beautiful.

[0041] In some embodiments, Further comprising a panel 8 arranged on the side of the housing 3 facing the indoor; the fourth air port 7 is a gap arranged on the panel 8, and the gap is in a normally open state; the area between the first air duct 4 and the second air duct 5 is opposite to the fourth air port 7, so that the air entering from the fourth air port 7 at least partially enters the first air duct 4 and / or at least partially enters the second air duct 5. The detection device 93 is preferably a millimeter wave radar arranged on the panel 8.

[0042] The fourth air port opened on the panel structure is preferred, which can increase the air inlet amount; the area between the fourth air port and the first and second air ducts is arranged oppositely, which can make the air inlet flow of the fourth air port not only enter the first air duct, but also enter the second air duct, so that in the upper air outlet mode, the air inlet flow enters the upper air duct entirely, increases the air outlet amount of the upper air duct, and improves the refrigeration air outlet performance; in the lower air outlet mode, the air inlet flow enters the lower air duct entirely, increases the air outlet amount of the lower air duct, and improves the heating air outlet performance; in the upper and lower air outlet mode, the air inlet flow partially enters the lower air duct and partially enters the upper air duct, respectively increases the air outlet amount of the lower air duct and the upper air duct, and improves the air outlet performance of rapid heating / heating.

[0043] In some embodiments, Further comprising a heat exchanger 10 also arranged in the housing 3, and at least part of the structure of the heat exchanger 10 is arranged in the area between the first air duct 4 and the second air duct 5, the heat exchanger 10 comprises a first heat exchange section 11, a second heat exchange section 12 and a third heat exchange section 13, at least part of the structure of the first heat exchange section 11 is located between the third air port 6 and the second air duct 5, at least part of the structure of the second heat exchange section 12 is located between the first air duct 4 and the second air duct 5, and at least part of the structure of the third heat exchange section 13 is located between the fourth air port 7 and the first air duct 4.

[0044] The application further improves the heat exchange capacity of the air conditioner indoor unit, the heating and cooling performance, and the energy efficiency of the system.

[0045] In some embodiments, The first heat exchange section 11, the second heat exchange section 12, and the third heat exchange section 13 are all straight section structures, the second heat exchange section 12 is connected between the first heat exchange section 11 and the third heat exchange section 13; a first bend is formed at the joint of the first heat exchange section 11 and the second heat exchange section 12, and a second bend is formed at the joint of the second heat exchange section 12 and the third heat exchange section 13, so that the heat exchanger 10 forms a three-section structure with two bends. One end of the first heat exchange section 11 away from the second heat exchange section 12 is connected to the second air duct 5, one end of the second heat exchange section 12 away from the third heat exchange section 13 is connected to the first air duct 4, one end of the third heat exchange section 13 close to the second heat exchange section 12 is connected to the first air duct 4, and one end of the third heat exchange section 13 away from the second heat exchange section 12 is connected to the first air duct 4.

[0046] This is a further preferred structure of the heat exchanger of the present application, i.e. a bending structure forming three sections, the first heat exchange section is connected with the second air duct, the second heat exchange section is connected with the first air duct, which can further enhance the sealing between the two heat exchange sections and the two air ducts, and the air flow entering the third air port is maximally ensured to pass through the first and second heat exchange sections for heat exchange and then enter the first and / or second air duct, the third heat exchange section is connected with the second air duct and the first air duct, which can further enhance the sealing between the heat exchange section and the two air ducts, and the air flow entering the fourth air port is maximally ensured to pass through the third and second heat exchange sections for heat exchange and then enter the first and / or second air duct, and also can ensure that the air flow entering the first air port maximally passes through the second heat exchange section to reach the second air duct, or the air flow entering the second air port maximally passes through the second heat exchange section to reach the first air duct, further improving the sealing between the multi-section heat exchanger and the multiple air ducts, thereby further reducing the situation of not being exchanged by the heat exchanger and being discharged to the air port, further improving the heat exchange capacity of the air conditioner indoor unit, improving the heating and cooling performance, and improving the energy efficiency of the system.

[0047] The heat exchanger of the present application is preferably designed in Z shape between the two air ducts and covers the air inlets of the two air ducts respectively, ensuring that the air flow passes through the heat exchanger for heat exchange and then is blown into the room through the corresponding air duct.

[0048] 1. The present application provides multiple air outlet mode selection, which can meet the user's demand for rapid cooling and provide different air outlet mode selection (can choose to blow or not to blow).

[0049] 2. The present application designs the sealing cooperation form of the heat exchanger and the upper and lower air ducts, so that the air flow of the air conditioner circulation can be exchanged by the heat exchanger without increasing the air door.

[0050] 3. The present application designs the air outlet direction of the air outlets of the upper and lower air ducts, so that upward shower cooling and downward carpet heating can be realized without additional air deflector.

[0051] In some embodiments, In the longitudinal section, the first air duct 4 includes opposite first and second air duct walls 41 and 42, the second air duct 5 includes opposite third and fourth air duct walls 51 and 52, one end of the first heat exchange section 11 opposite to the second heat exchange section 12 is connected with the third air duct wall 51, one end of the second heat exchange section 12 opposite to the third heat exchange section 13 is connected with the first air duct wall 41, one end of the third heat exchange section 13 opposite to the second heat exchange section 12 is connected with the fourth air duct wall 52, and one end of the third heat exchange section 13 opposite to the second heat exchange section 12 is connected with the second air duct wall 42.

[0052] This is the preferred structure of the first air duct, the second air duct of the application, and the sealing of the multi-section heat exchange section and the air duct wall of the multiple air ducts, which further ensures the sealing between the multi-section heat exchanger and the multiple air ducts, thereby further reducing the situation of not being exchanged by the heat exchanger and being discharged to the air outlet, further improving the heat exchange capacity of the air conditioner indoor unit, improving the heating and cooling performance, and improving the energy efficiency of the system.

[0053] In some embodiments, Also includes a first fan blade 14 (preferably a cross-flow fan blade) and a second fan blade 15 (preferably a cross-flow fan blade), at least part of the structure of the first fan blade 14 is arranged in the first air duct 4, at least part of the structure of the second fan blade 15 is arranged in the second air duct 5, The first fan blade 14 and the second fan blade 15 are spaced apart and oppositely arranged, and at least part of the structure of the heat exchanger 10 is also located in the spaced apart space between the first fan blade 14 and the second fan blade 15; In the upper air outlet mode, the first fan blade 14 rotates, and the second fan blade 15 does not rotate; In the lower air outlet mode, the second fan blade 15 rotates, and the first fan blade 14 does not rotate; In the upper and lower air outlet mode, the first fan blade 14 and the second fan blade 15 rotate.

[0054] The application can form the driving force of air flow movement by arranging the first and second fan blades in the first and second air ducts respectively, especially can select to execute the upper air outlet mode in the ordinary cooling mode, only through the rotation of the first fan blade to realize the upper air outlet of the first air outlet, and the second air outlet, the third and fourth air outlets all intake air; In the ordinary heating mode, select to execute the lower air outlet mode, only through the rotation of the second fan blade to realize the upper air outlet of the second air outlet, and the first air outlet, the third and fourth air outlets all intake air; In the fast cooling or fast heating mode, select to execute the upper and lower air outlet mode, both fan blades rotate, realize the air outlet of the first and second air outlets, realize the fast cooling or heating of the indoor, at this time, the third and fourth air outlets intake air, increase the air intake amount, improve the cooling and heating capacity, and improve the energy efficiency (without increasing the fan, the air intake amount can be increased).

[0055] The application can realize mode switching control by only two fans, solve the problem of complex control and high cost in the prior art that multiple motors and dampers need to be cooperatively driven and controlled to make the air flow pass through the heat exchanger and realize the upper and lower air outlet.

[0056] The application also provides an air conditioner comprising the reversible air outlet air conditioner indoor unit.

[0057] The application provides a reversible air outlet double air duct air conditioner and a control method.

[0058] The structural design of the application is as follows: 1. The air conditioner indoor unit of the application is composed of a shell, an upper air duct, a lower air duct, a heat exchanger, a cross-flow fan blade, a panel and a radar, etc.

[0059] 2. The shell of the application is designed with an upper air duct and a lower air duct. The cross-flow fan blade is designed and installed in the air duct.

[0060] 3. The upper air duct outlet of the application is designed to blow air horizontally forward, without the need for a deflector, to blow air forward.

[0061] 4. The lower air outlet of the application is designed at an angle A0 with the vertical direction, 20°≤A0≤60°, without the need for an additional deflector to blow air downward and forward. It can not only satisfy the hot air landing but also spread to the front of the room.

[0062] 5. The heat exchanger of the application is designed in a Z shape. Each inverted V corresponds to an air duct, and each bending or end is tightly sealed on both sides of the air duct to avoid the situation that air flows into the air duct without being heated by the heat exchanger.

[0063] 6. The shell of the application is designed with a panel. The panel is designed with a gap (forming a fourth air outlet).

[0064] As shown in Figure 6 The application also provides a control method for the reversible air outlet air conditioner indoor unit as described above, which comprises: A judgment step of judging whether the air conditioner indoor unit is running in a cooling mode; A detection step of detecting the position of the user through the detection device; and detecting the body surface temperature B of the human body; A judgment step of judging the relationship between the temperature B and the set temperature A; A control step of controlling the second fan blade 15 to stop rotating and controlling the first fan blade 14 to rotate when B When B≥A, the power output of the air conditioner indoor unit and the deflection angle of the first deflector 91 and the second deflector 92 need to be controlled according to the historical record of the user in this state and the position of the user.

[0065] The application can also detect the position of the user in real time through the detection device, and control the air guiding direction of the first and second air deflectors according to the position of the user, so as to meet the cooling degree of the user, ensure that the head is not blown, avoid uncomfortable situations, and the like, control the cool air to blow to the torso part when the user needs rapid cooling, and control the cool air to blow to the foot position when the user does not need direct blowing to the body, and further improve the cooling comfort of the user.

[0066] In some embodiments, In the control step, when B≥A: If the user needs direct blowing for rapid cooling, the position of the user is further detected, if the user is in the far field area of the room, the air conditioner indoor unit is controlled to increase the power output, the second air deflector 92 is controlled to open so that the air outlet is in the horizontal direction, and the first air deflector 91 is controlled to press the air downward, so that the extension line of the air guiding surface of the first air deflector 91 intersects at the torso of the user, lower than the head; if the user is in the near field area of the room, the air conditioner indoor unit is controlled to reduce the power output, the included angle D between the lower edge of the first air outlet 1 and the air guiding surface of the first air deflector 91 along the line connecting the head of the user is greater than 0, and the second air deflector 92 is controlled to open and press the air downward, so that the extension line of the air guiding surface of the second air deflector 92 intersects at the torso of the user, lower than the head. If the user does not need the cool air to blow directly to the body, the position of the user is further detected, if the user is in the far field area of the room, the air conditioner indoor unit is controlled to increase the power output, the second air deflector 92 is controlled to open so that the air outlet is in the horizontal direction, and the first air deflector 91 is controlled to press the air downward, the included angle D between the lower edge of the first air outlet 1 and the air guiding surface of the first air deflector 91 along the line connecting the head of the user is greater than 0; if the user is in the near field area of the room, the air conditioner indoor unit is controlled to reduce the power output, the included angle D between the lower edge of the first air outlet 1 and the air guiding surface of the first air deflector 91 along the line connecting the head of the user is greater than 0, and the second air deflector 92 is controlled to open and press the air downward, so that the extension line of the air guiding surface of the second air deflector 92 intersects at the foot of the user, lower than the torso.

[0067] This is the preferred control form of the reversible air outlet air conditioner indoor unit, which can control the air guiding direction of the first and second air deflectors according to the position of the user, so as to meet the cooling degree of the user, ensure that the head is not blown, avoid uncomfortable situations, and the like, control the cool air to blow to the torso part when the user needs rapid cooling, and control the cool air to blow to the foot position when the user does not need direct blowing to the body, and further improve the cooling comfort of the user.

[0068] The present application captures the position where the user is located by radar and identifies the human body trunk part, and collects the human body temperature and the human body surface temperature B and the air conditioner program setting value A, and if A≥B, the operation of the air conditioner in this position under this state of the user is finally judged whether the user needs the air conditioner direct blowing cooling according to the historical record. If the user needs direct blowing to achieve rapid cooling. At this time, if the user is in the far field area of the room, the air conditioner increases the power output (such as increasing the fan speed and compressor frequency) to better achieve far field cooling, the air conditioner lower air outlet air deflector opens to be parallel with the air outlet to minimize the air outlet resistance, the air conditioner upper air outlet air deflector presses the wind downward, and the extension line of the air deflector intersects the human body trunk near the shoulder. Ensure that the air conditioner blowing only blows to the human body trunk and does not blow to the head. If the user is in the near field area of the room, the air conditioner has a small power output (such as reducing the fan speed and compressor frequency) to ensure effective temperature control while reducing energy consumption, the air conditioner upper air outlet air deflector and the lower edge of the upper air outlet form a certain angle D>0 with the line connecting the top of the human body to ensure that the wind of the upper air outlet does not blow to the head, the lower air outlet air deflector presses the wind downward, and the extension line of the air deflector intersects the human body trunk near the shoulder. Ensure that the air conditioner blowing only blows to the human body trunk and does not blow to the head.

[0069] If the user does not want the air conditioner to directly blow on the body, at this time, if the user is in the far field area of the room, the air conditioner increases the power output (such as increasing the fan speed and compressor frequency) to better achieve far field cooling, the air conditioner lower air outlet air deflector opens to be parallel with the air outlet to minimize the air outlet resistance, the air conditioner upper air outlet air deflector presses the wind downward, and the extension line of the air deflector intersects the human body trunk near the shoulder. Ensure that the air conditioner blowing only blows to the human body trunk and does not blow to the head. If the user is in the near field area of the room, the air conditioner has a small power output (such as reducing the fan speed and compressor frequency) to ensure effective temperature control while reducing energy consumption, the air conditioner upper air outlet air deflector and the lower edge of the upper air outlet form a certain angle D>0 with the line connecting the top of the human body to ensure that the wind of the upper air outlet does not blow to the head, the lower air outlet air deflector presses the wind downward, and the extension line of the air deflector intersects the human body trunk near the shoulder. Ensure that the air conditioner blowing only blows to the human body trunk and does not blow to the head. If A<B, the air conditioner lower air outlet fan blade stops rotating, at this time, the lower air outlet is an air inlet, and the upper air outlet air deflector opens to be horizontal to execute shower type temperature control.

[0070] The above description is only the preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application. The above description is only the preferred embodiment of the present application, and it should be pointed out that, for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection scope of the present application.

Claims

1. A reversible air conditioner indoor unit, characterized by: Comprise: The first air port (1) and the second air port (2), the first air port (1) is located above the second air port (2), the first air port (1) can form upper air outlet, the second air port (2) can form lower air outlet, the second air port (2) can not blow when the first air port (1) blows, to form upper air outlet mode, the first air port (1) can not blow when the second air port (2) blows, to form lower air outlet mode, the first air port (1) and the second air port (2) can blow at the same time, to form upper and lower air outlet mode; Also include detection device (93), the first air deflector (91) and the second air deflector (92), the first air deflector (91) is arranged at the first air port (1), to open the first air port (1) or adjust the air direction of the first air port (1), the second air deflector (92) is arranged at the second air port (2), to open the second air port (2) or adjust the air direction of the second air port (2), the detection device (93) can detect the position of the user, the first air deflector (91) and the second air deflector (92) can be controlled to blow according to the position detected.

2. The reversible air outlet air conditioner indoor unit according to claim 1, characterized in that: Further comprising a shell (3), a first air duct (4), a second air duct (5) and a third air port (6); The first air duct (4) and the second air duct (5) are located inside the shell (3), and the first air duct (4) is located above the second air duct (5), one end of the first air duct (4) is located inside the shell (3), the other end forms the first air port (1) and faces the indoor, one end of the second air duct (5) is located inside the shell (3), the other end forms the second air port (2) and faces the indoor; The third air port (6) is located at the top end of the shell (3), and air can enter the shell (3) through the third air port (6), the air entering from the third air port (6) can at least partially enter the first air duct (4) to blow from the first air port (1), and the air entering from the third air port (6) can at least partially enter the second air duct (5) to blow from the second air port (2); the first air port (1) and the third air port (6) are located on different surfaces.

3. The reversible air outlet air conditioner indoor unit according to claim 2, characterized in that: The end of the first air duct (4) located inside the shell (3) is opposite to the end of the second air duct (5) located inside the shell (3) and can communicate; In upper air outlet mode, the third air port (6) enters air into the shell (3) and guides the air into the first air duct (4), at this time the second air port (2) serves as an air inlet to enter air into the second air duct (5), which can further guide the air into the first air duct (4), and the first air port (1) serves as an air outlet to blow air into the indoor. In the upper air outlet mode, the third air outlet (6) is arranged to draw air into the casing (3) and direct the air into the first air duct (4) and the second air duct (5); the first air outlet (1) is arranged to draw air into the casing (3) and direct the air into the second air duct (5); and the second air outlet (2) is arranged to direct air into the room. In the upper and lower air outlet mode, the third air outlet (6) is arranged to draw air into the casing (3) and direct the air into the first air duct (4) and the second air duct (5); the first air outlet (1) and the second air outlet (2) are arranged to direct air into the room.

4. The reversible air outlet air conditioner indoor unit according to claim 3, characterized in that: the fourth air outlet (7) is arranged between the first air outlet (1) and the second air outlet (2) and is also arranged to draw air into the casing (3); the fourth air outlet (7) and the second air outlet (2) are arranged on different surfaces. In the upper air outlet mode, the third air outlet (6), the fourth air outlet (7) and the second air outlet (2) are arranged to draw air into the casing (3) and direct the air into the first air duct (4). In the lower air outlet mode, the third air outlet (6), the fourth air outlet (7) and the first air outlet (1) are arranged to draw air into the casing (3) and direct the air into the second air duct (5). In the upper and lower air outlet mode, the third air outlet (6) is arranged to draw air into the casing (3) and direct the air into the first air duct (4) and the second air duct (5); the fourth air outlet (7) is arranged to draw air into the casing (3) and direct the air into the first air duct (4) and the second air duct (5).

5. The reversible air outlet air conditioner indoor unit according to claim 4, characterized in that: the first air outlet (1) is arranged to direct air in a horizontal direction; the second air outlet (2) is arranged to direct air downward at an angle A0 with respect to a vertical direction, and 20°≤A0≤60°; the third air outlet (6) is arranged to draw air in a vertical direction; and the fourth air outlet (7) is arranged to draw air at an angle B0 with respect to a vertical direction, and 0°<B0<90°.

6. The reversible air outlet air conditioner indoor unit according to claim 4, characterized in that: the panel (8) is arranged on a side of the casing (3) facing the room; the fourth air outlet (7) is a gap arranged on the panel (8) and is in an open state; and a region between the first air duct (4) and the second air duct (5) is opposite the fourth air outlet (7) so that air drawn from the fourth air outlet (7) at least partially enters the first air duct (4) and / or at least partially enters the second air duct (5).

7. The reversible air outlet air conditioner indoor unit according to claim 6, characterized in that: Further comprising a heat exchanger (10) also arranged in the housing (3), and at least part of the structure of the heat exchanger (10) is arranged in the region between the first air duct (4) and the second air duct (5), the heat exchanger (10) comprises a first heat exchange section (11), a second heat exchange section (12) and a third heat exchange section (13), at least part of the structure of the first heat exchange section (11) is located between the third air port (6) and the second air duct (5), at least part of the structure of the second heat exchange section (12) is located between the first air duct (4) and the second air duct (5), and at least part of the structure of the third heat exchange section (13) is located between the fourth air port (7) and the first air duct (4).

8. The reversible air outlet air conditioner indoor unit according to claim 7, characterized in that: The first heat exchange section (11), the second heat exchange section (12) and the third heat exchange section (13) are all straight section structures, the second heat exchange section (12) is connected between the first heat exchange section (11) and the third heat exchange section (13); a first bend is formed at the joint position of the first heat exchange section (11) and the second heat exchange section (12), and a second bend is formed at the joint position of the second heat exchange section (12) and the third heat exchange section (13), so that the heat exchanger (10) forms a three-section structure with two bends; The end of the first heat exchange section (11) opposite to the second heat exchange section (12) is connected with the second air duct (5), the end of the second heat exchange section (12) opposite to the third heat exchange section (13) is connected with the first air duct (4), the end of the third heat exchange section (13) close to the second heat exchange section (12) is connected with the first air duct (4), and the end of the third heat exchange section (13) opposite to the second heat exchange section (12) is connected with the first air duct (4).

9. The reversible air outlet air conditioner indoor unit according to claim 8, characterized in that: In the longitudinal section, the first air duct (4) comprises opposite first air duct walls (41) and second air duct walls (42), the second air duct (5) comprises opposite third air duct walls (51) and fourth air duct walls (52), the end of the first heat exchange section (11) opposite to the second heat exchange section (12) is connected with the third air duct wall (51), the end of the second heat exchange section (12) opposite to the third heat exchange section (13) is connected with the first air duct wall (41), the end of the third heat exchange section (13) close to the second heat exchange section (12) is connected with the fourth air duct wall (52), and the end of the third heat exchange section (13) opposite to the second heat exchange section (12) is connected with the second air duct wall (42).

10. The reversible air outlet air conditioner indoor unit according to claim 7, characterized in that: Further comprising a first fan blade (14) and a second fan blade (15), at least part of the structure of the first fan blade (14) is arranged in the first air duct (4), at least part of the structure of the second fan blade (15) is arranged in the second air duct (5), The first fan blade (14) and the second fan blade (15) are spaced and oppositely arranged, and at least part of the structure of the heat exchanger (10) is also located in the spaced space between the first fan blade (14) and the second fan blade (15); In the upper air outlet mode, the first fan blade (14) rotates, and the second fan blade (15) does not rotate; In the lower air outlet mode, the second fan blade (15) rotates, and the first fan blade (14) does not rotate; In the upper and lower air outlet mode, the first fan blade (14) and the second fan blade (15) rotate.

11. An air conditioner characterized by comprising: The reversible air outlet air conditioner indoor unit of any one of claims 1-10.

12. The control method of the reversible air-outlet air conditioner indoor unit according to claim 10, characterized by: Comprise: Judgment step, judging that the air conditioner indoor unit is running in cooling mode; Detection step, detecting the position of the user through the detection device; And detecting the human body surface temperature B; Judgment step, judging the relationship between temperature B and set temperature A; Control step, when B When B≥A, the power output of the air conditioner indoor unit and the air guide angle of the first air guide plate (91) and the second air guide plate (92) need to be controlled according to the historical record of the user in this state and the position of the user.

13. The control method of claim 12, wherein: In the control step, when B≥A: If the user needs direct blowing for rapid cooling, further detect the position of the user, if the user is in the far field area of the room, control the air conditioner indoor unit to increase the power output, control the second air guide plate (92) to open so that the air outlet is in the horizontal direction, and control the first air guide plate (91) to press the air downward, so that the extension line of the air guide surface of the first air guide plate (91) intersects at the user's torso, lower than the head; If the user is in the near field area of the room, control the air conditioner indoor unit to reduce the power output, control the included angle D between the lower edge of the first air outlet (1) and the air guide surface of the first air guide plate (91) and the line connecting the user's head, and control the second air guide plate (92) to open and press the air downward, so that the extension line of the air guide surface of the second air guide plate (92) intersects at the user's torso, lower than the head; If the user does not need cold wind to blow directly on the body, the user's location is further detected, if the user is in the far field area of the room, the air conditioner indoor unit is controlled to increase the power output, the second air deflector (92) is controlled to open so that the air outlet is along the horizontal direction, the first air deflector (91) is controlled to press the air downward, the included angle D between the lower edge of the first air outlet (1) and the line connecting the user's head and the air deflection surface of the first air deflector (91) is greater than 0; if the user is in the near field area of the room, the air conditioner indoor unit is controlled to reduce the power output, the included angle D between the lower edge of the first air outlet (1) and the line connecting the user's head and the air deflection surface of the first air deflector (91) is greater than 0, and the second air deflector (92) is controlled to open and press the air downward, so that the extension line of the air deflection surface of the second air deflector (92) intersects at the user's foot bottom, lower than the torso.

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