46results about How to "Rich air supply mode" patented technology

The invention provides an indoor unit of a vertical air conditioner. The indoor unit comprises a machine shell, a heat exchanger, a first cross flow fan and a second cross flow fan; the heat exchange is arranged in the machine shell; the first cross flow fan and the second cross flow fan are arranged up and down in the machine shell, vertically extend along an axis and are arranged collinearly; the machine shell comprises a framework, a bottom plate, a front upright post, a rear upright post, a left upright post, a right upright post and a shell; the framework is used for mounting the heat exchanger, the first cross flow fan and the second cross flow fan; the bottom plate is arranged below the framework and is used for supporting the indoor unit of the vertical air conditioner; the front upright post and the rear upright post respectively extends upwards from the front and rear sides of the bottom plate to the bottom end of the framework to support the framework; the left upright post and the right upright post respectively extend upwards from the left and right sides of the bottom plate to the top end of the framework to fix the framework; and the shell surrounds the outer side of the framework, the lower end of the shell extends to the edge of the bottom plate, a plurality of air outlets are formed in the front side of the shell, and an air inlet is formed in the rear side of the shell. The indoor unit of the vertical air conditioner, provided by the invention, is relatively low in fan air pressure loss and capable of saving more energy during operation and has various air supply modes, so that the user experience is improved.

The invention provides a vertical air conditioner indoor unit. The indoor unit comprises a machine shell, a plurality of air outlets are vertically formed in a front panel, and the rear side of the machine shell is provided with an air inlet; a heat exchanger is arranged in the machine shell, a first cross flow fan and a second cross flow fan are vertically arranged in the machine shell, the axes vertically extend, the first cross flow fan and the second cross flow fan are collinear, and therefore the air is promoted to enter the machine shell via the air inlet and is subject to heat exchange with the heat exchanger to be blown out of the corresponding air outlet; an air flue assembly is erected on the circumferential outer sides of the first cross flow fan and the second cross flow fan so as to enable air to be led to the air outlets forwards from the heat exchanger, an air flue partition part is mounted on the air flue assembly and is located between the first cross flow fan and the second cross flow fan, space limited by the air flue assembly is partitioned into an upper portion and the lower portion, the first cross flow fan and the second cross flow fan are contained in the upper portion and the lower portion correspondingly, and the air flue partition part is provided with two bearings matched with a rotating shaft of the first cross flow fan and a rotating shaft of the second cross flow fan correspondingly. According to the indoor unit, the air flue assembly can be simplified, and the influence of the air flue assembly on the heat exchange efficiency of the heat exchanger can be reduced.

The invention provides an air conditioner. The air conditioner comprises an air flue, an air stop switching mechanism and a first air sweeping blade, wherein the same one air outlet of the air flue is divided into at least two sub air outlets; included angles are respectively formed between air supply directions of all the sub air outlets; the air stop switching mechanism is movably arranged in the air outlet of the air flue, so that at least one sub air outlet is located in a cut-off closing state, and the other sub air outlet is located in an opening air supply state; and the first air sweeping blade is arranged on the wall surface of the air flue, and is positioned in the sub air outlets. As the air stop switching mechanism is arranged in the air outlet of the air flue, self action change of the air stop switching mechanism can change the use state of the sub air outlets to change the air supply direction of the air conditioner, the air supply modes of the air conditioner are various to satisfy different use demands of users, the experience of the users is improved, and the control adjusting reliability of the air conditioner is improved.

The invention provides a wall-mounted type air conditioner indoor unit. The wall-mounted type air conditioner indoor unit comprises a shell, an evaporator, a first air channel, a second air channel, a first cross flow fan, a second cross flow fan and an air cleaning device. The bottom of the shell is provided with two air outlets which are arranged side by side from in the left-right direction. The evaporator is arranged in the shell. The first air channel and the second air channel are arranged in the shell side by side in the left-right direction and used for guiding heat exchange air obtained after heat exchange with the evaporator to the two air outlets. The axes of the first cross flow fan and the second cross flow fan both extend in the left-right direction, and the first cross flow fan and the second cross flow fan are arranged in the first air channel and the second air channel correspondingly. The air cleaning device is arranged in the shell and used for cleaning indoor air. The wall-mounted type air conditioner indoor unit enriches air supply manners and improves the cleanliness degree of supplied air.

The invention provides a wall-mounted type air conditioner indoor unit. The wall-mounted type air conditioner indoor unit comprises a shell, an upper air outlet, a lower air outlet, an air duct, a guide plate and a variable-speed motor, wherein the upper air outlet and the lower air outlet are arranged on the lower portion of the front side of the shell in an up-down manner; the air duct is used for guiding air in the shell to the upper air outlet and the lower air outlet; the front edge of the guide plate is pivotally installed between the upper air outlet and the lower air outlet, and the guide plate is configured in the modes that the guide plate can pivot upwards till the rear end of the guide plate abuts against the downward blowing position of the upper wall of the air duct so as toseal a passage, to the upper air outlet, of the air duct so that air can only be blown from the lower air outlet, and the guide plate can also pivot downwards till the rear end of the guide plate abuts against the upward blowing position of the lower wall of the air duct so as to seal a passage, to the lower air outlet, of the air duct so that air can only be blown from the upper air outlet; and the variable-speed motor is configured to drive the guide plate to pivot upwards / downwards, and the guide plate is driven to pivot upwards / downwards at a high rotation speed at first and then a low rotation speed so as to relieve collision between the rear end of the guide plate and the upper wall / lower wall of the air duct. According to the wall-mounted type air conditioner indoor unit, the air supply mode of an air conditioner is enriched, and a wind feeling experience of users is improved.

The invention provides a vertical type air conditioner indoor unit. The vertical type air conditioner indoor unit comprises a unit shell, a heat exchanger, at least one cross-flow fan, a wind guiding device and at least one swinging blade assembly. At least one circular wind outlet is formed in a front face plate of the unit shell, and a wind inlet is formed in the back side of the unit shell. The heat exchanger is arranged in the unit shell. The cross-flow fans are arranged for promoting air to penetrate through the wind inlet to enter into the unit shell, and the air is blown out of the wind outlets after the air is exchanged heat by the heat exchanger. The wind guiding device is provided with a frame arranged on the inner side of the front face plate. The swinging blade assemblies are in one-to-one fit with the wind outlets. Each swinging blade assembly comprises a plurality of swinging blades which are installed on the frame in a pivoted mode correspondingly and are parallel to each other in the longitudinal direction, and is arranged for making all of the swinging blades synchronously change the wind-out directions of the wind outlets in a pivoted mode. A wind-out structure of the vertical type air conditioner indoor unit is novel and unique, and facilitates designing and installing of the swinging blades.

The invention provides a wall-mounted type air conditioner indoor unit. The wall-mounted type air conditioner indoor unit comprises a shell, an upper air outlet, a lower air outlet, an air duct, a guide plate and a drive device, wherein the upper air outlet and the lower air outlet are arranged on the lower portion of the front side of the shell in an up-down manner; the air duct is used for guiding air in the shell to the upper air outlet and the lower air outlet; the front edge of the guide plate is pivotally installed between the upper air outlet and the lower air outlet, and the guide plate is configured in the modes that the guide plate can pivot upwards till the rear end of the guide plate abuts against the downward blowing position of the upper wall of the air duct so as to seal a passage, to the upper air outlet, of the air duct so that air can only be blown from the lower air outlet, and the guide plate can also pivot downwards till the rear end of the guide plate abuts against the upward blowing position of the lower wall of the air duct so as to seal a passage, to the lower air outlet, of the air duct so that air can only be blown from the upper air outlet; and the drivedevice comprises a motor, a rocker and a connecting rod, a rotary shaft of the motor is parallel to a pivot axis of the guide plate and is fixed to one end of the rocker, the two ends of the rocker are hinged to the other end of the rocker and the rear end of the guide plate separately so that the motor can drive the rocker to swing around the rotary shaft of the motor, and thus the guide plate is driven to rotate through the connecting rod.

The invention provides an air conditioner and a control method thereof. The air conditioner comprises an air channel (10) and an air blocking switching mechanism. An air outlet of the air channel (10) is divided into at least two sub-air outlets, and included angles are formed between the air supply directions of all the sub-air outlets. The air blocking switching mechanism is movably arranged at the air outlet of the air channel (10), so that at least one sub-air outlet is in the closed state, and the other sub-air outlets are in the air supply state, or all the sub-air outlets are in the air supply state. Through the technical scheme, the problems that an air conditioner in the prior art is single in air supply mode and poor in flexibility are solved effectively.

The invention provides an air conditioner and an air conditioner control method. The air conditioner comprises an air channel and an air blocking switching mechanism. An air outlet of the air channel is divided into at least two sub-air outlets, and included angles are formed between the air supply directions of all the sub-air outlets. The air blocking switching mechanism is movably arranged at the air outlet of the air channel, so that at least one sub-air outlet is in the turned-off closed state, and the other sub-air outlet is in the open air supply state. Due to the fact that the air blocking switching mechanism is arranged at the air outlet of the air channel, the usage state of the sub-air outlets can be changed through motion conversion of the air blocking switching mechanism, thus the air supply direction of the air conditioner is changed, the air supply mode of the air conditioner has the diversified characteristic so as to meet different usage requirements of users, the user experience degree is improved, and the control adjustment reliability of the air conditioner is improved.

The invention provides an air conditioner. The air conditioner comprises a shell, a volute and an air deflector; the shell is provided with an air outlet; the volute is arranged inside the shell in a rotating mode and is provided with an air channel, and an air channel outlet of the air channel is arranged towards the air outlet; and the air deflector is movably arranged at the air outlet and is matched with the volute to divide the air outlet into two subsidiary air outlets, one subsidiary air outlet is put into use while the other subsidiary air outlet is not used, and a first included angle is formed between the air supply directions of the two subsidiary air outlets. Because the volute is arranged inside the shell in the rotating mode and the air deflector is movably arranged at the air outlet, the use conditions of the subsidiary air outlet can be changed by changing the working conditions of the volute and the air deflector, then the air supply direction of the air conditioner can be changed, and the air supply modes of the air conditioner are diversified. Meanwhile, because the volute and the air deflector are matched and the air deflector serves as an air guide component, the noise and the air loss of the air conditioner can be effectively lowered in the operation process, and the use comfort and the reliability of the air conditioner can be improved.

The invention provides an indoor unit of a vertical air conditioner. The indoor unit comprises a machine shell, a heat exchanger, a first cross flow fan and a second cross flow fan; a plurality of vertically arranged air outlets are formed in a front panel of the machine shell, and an air inlet is formed in the rear side of the machine shell; the heat exchanger is arranged in the machine shell; the first cross flow fan and the second cross flow fan are vertically arranged and are collinearly arranged in the machine shell, the axis of each of the first cross flow fan and the second cross flow fan vertically extends in the machine shell, each of the first cross flow fan and the second cross flow fan is configured to promote air to enter the machine shell through the air inlet and be blown out through the corresponding air outlet after being subjected to heat exchange with the heat exchanger; and the rated air flow of the first cross flow fan is larger than that of the second cross flow fan, and the total open area of all the air outlets corresponding to the first cross flow fan is larger than that of all the air outlets corresponding to the second cross flow fan. The indoor unit of the vertical air conditioner, provided by the invention, is relatively low in fan air pressure loss, capable of saving more energy in operation and variable in air supply modes, so that the experience of a user is improved.

The invention provides a wall-mounted air conditioner indoor unit which comprises a shell, an upper air outlet, a lower air outlet, an air flue and a flow guiding plate. The upper air outlet and the lower air outlet are up-and-down arranged on the lower part of the front side of the shell; the upper air outlet is opened forwards; the lower air outlet is opened toward the front lower part; the airflue is used for guiding air in the shell to the upper air outlet and the lower air outlet; the front edge of the flow guiding plate can be pivotally arranged between the upper air outlet and the lower air outlet; the flow guiding plate can be upwards pivoted to enable the rear end of the flow guiding plate to abut against a downward blowing position of an upper wall of the air flue so as to seala passageway from the air flue to the upper air outlet, so that air can be only blown out from the lower air outlet; and the flow guiding plate can be downwards pivoted to enable the rear end of the flow guiding plate to abut against an upward blowing position of a lower wall of the air flue so as to seal a passageway from the air flue to the lower air outlet, so that air can be only blown out from the upper air outlet. According to the wall-mounted air conditioner indoor unit provided by the invention, air supply modes of an air conditioner are enriched, the comfort level of a user is improved, and the air feeling experience of the user is improved.

The invention provides a wall hanging type air conditioner indoor unit. The air conditioner indoor unit comprises a shell, an air flue and a flow guide plate; an upper air outlet and a lower air outlet are formed in the lower portion of the front side of the shell, the front end of the flow guide plate is arranged between the two air outlets in a pivot manner, the flow guide plate is configured tobe pivoted upwards to enable the rear end of the flow guide plate to abut against the downward blowing position of the upper wall of the air flue, and therefore a passage from the air flue to the upper air outlet is closed; the flow guide plate can be configured to be pivoted downwards to enable the rear end of the flow guide plate to abut against the upward blowing position of the lower wall ofthe air flue, and therefore the passage from the air flue to the lower air outlet is sealed; the lower edge of the upper air outlet begins to extend towards the lower rear portion to form a first arcplate with the axis located on the upper rear portion, and the upper surface of the front portion of the flow guide plate begins to extend to form a second arc plate with the axis located on the upperrear portion; when the flow guide plate is located on the upward blowing position, the tail end of the first arc plate and the tail end of the second arc plate are connected, and the axes of the first arc plate and the second arc plate coincide, and the air flow direction is guided.

The invention provides a wall hanging type air conditioner indoor unit. The air conditioner indoor unit comprises a shell, an air flue and a flow guide assembly; an upper air outlet and a lower air outlet which are arranged up and down are formed in the lower portion of the front side of the shell, the air flue is used for guiding air in the shell into the upper air outlet and the lower air outlet, the flow guide assembly comprises a first guide plate, a second guide plate and a third guide plate, the first guide plate is fixedly arranged between the upper air outlet and the lower air outlet,the front end of the second guide plate is arranged at the rear end of the first guide plate in a pivot rotation manner, the rear end of the third guide plate is arranged on the lower wall of the airflue in a pivot rotation manner, and according to the configuration of the flow guide assembly, the second guide plate can be pivoted and rotated until the rear end abuts against the upper wall of theair flue, the third guide plate is attached to the lower blowing position of the lower wall of the air flue so as to seal a passage from the air flue to the upper air outlet, air can be blown out ofthe lower air outlet, the second guide plate and the third guide plate are pivoted and rotated to the upper blowing position for connecting the rear end of the second guide plate with the front end ofthe third guide plate, the passage from the air flue to the lower air outlet is sealed, and air can be blown out of the upper air outlet.

The invention provides an indoor unit and an air conditioner with the same. The indoor unit comprises a fan assembly and an air duct assembly, wherein an installing part is arranged on the air duct assembly, the fan assembly is located in the installing part, the air duct assembly comprises vertical air ducts and transverse air ducts, the vertical air ducts and the transverse air ducts communicatewith the fan assembly, the vertical air ducts comprise a first vertical air duct extending upwards and / or a second vertical air duct extending downwards, and the transverse air ducts comprise a firsttransverse air duct extending leftwards and / or a second transverse air duct extending rightwards. By applying the technical solution of the indoor unit and the air conditioner with the same, the lefttransverse air duct and the right transverse air duct assist in air supply, the transverse air ducts drive a gear to rotate through a motor, then drive a rack to linearly move to control opening andclosing of an air baffle, different up-down and left-right air supply combinations are adopted according to different use environments, the purpose of intelligent air supply is achieved, the intelligent air supply effect of the air conditioner is achieved, the problems that in the prior art, a cabinet type air conditioner is single in air supply mode and poor in user experience can be solved.

The invention provides an air conditioner indoor unit and an air guide assembly thereof. The air guide assembly is used for being installed at an air outlet of the air conditioner indoor unit so as to guide the air outlet direction of the air outlet, the air guide assembly comprises a plurality of swing blades, each swing blade can be installed at the air outlet in the mode of rotating around the rotating axis of the swing blade, a plurality of notches are formed in the edges of at least two adjacent swing blades, and when the swing blades rotate to be in a coplanar state, the notches of every two adjacent swing blades are opposite in a one-to-one mode so as to be spliced into a plurality of air dissipation openings. The wind-feeling-free effect of air supply airflow of the air conditioner is improved, and the air supply airflow is closer to natural wind.

The invention provides a wall-mounted air conditioner indoor unit. The wall-mounted air conditioner indoor unit comprises a shell, an upper air outlet, a lower air outlet, an air channel used for guiding air in the shell to the upper air outlet and the lower air outlet, an air deflector and a motor, wherein the upper air outlet and the lower air outlet are formed in the lower portion of the frontside of the shell up and down; the front edge of the air deflector is pivotally mounted between the upper air outlet and the lower air outlet; the air deflector can pivot upwards to the position wherethe rear end of the air deflector abuts against the downwards-blowing position of the upper wall of the air channel so as to close a passage from the air channel to the upper air outlet, and thus aircan only be blown out from the lower air outlet; and the air deflector can pivot downwards to the position where the rear end of the air deflector abuts against the upwards-blowing position of the lower wall of the air channel so as to close a passage from the air channel to the lower air outlet, and thus air can only be blown out from the upper air outlet; and the motor is mounted to the shell and drives the air deflector to rotate through a transmission belt or a transmission chain. The air supply modes of an air conditioner are increased, and the wind feeling experience of a user is improved.

The invention provides a wall-mounted air conditioner indoor unit which comprises a shell and at least one rotary wind shielding piece. Air dispersing openings are formed in the shell and are used forexhausting an air supply airflow in the shell; each rotary wind shielding piece comprises a wind shielding plate and a micro-pore plate; the wind shielding plates and the micro-pore plates face different directions; and the rotary wind shielding pieces are arranged to be capable of rotating to the wind shielding positions enabling the wind shielding plates to shield the air dispersing openings orrotating to the air dispersing positions enabling the micro-pore plates to shield the air dispersing openings so as to allow the air supply airflow to be blown out through multiple micro-pores of themicro-pore plates. According to the wall-mounted air conditioner indoor unit provided by the invention, comfortable air supply is achieved.

A wall-mounted air-conditioning indoor unit is provided, comprising: a housing (100) having an air inlet (101) for taking in air from an indoor space and two air outlets (102) disposed side by side in a lateral direction for supplying air to an indoor space; an evaporator (200) disposed inside the housing (100) for performing heat exchange with air flowing in from the air inlet (101) to form heat-exchanged air; two main air ducts (401) laterally disposed side by side inside the housing (100), wherein each main air duct (401) is for guiding the heat-exchanged air to one of the air outlets (102); two fans (301, 302), each of which is disposed inside one of the main air ducts (401) and configured to cause air to flow from the air inlet (101) toward the air outlet (102); and at least two air-mixing ducts (600), wherein outlets (620) of the two air-mixing ducts (600) are respectively disposed on the left side of the left-side air outlet (102) and on the right side of the right-side air outlet (102), and each of the air-mixing ducts (600) is configured to allow indoor ambient air to flow therethrough to the corresponding air outlet (102) to be mixed with the heat exchanged air and then be blown towards the indoor space. The wall-mounted air-conditioning indoor unit can enhance airflow comfort of air-conditioning indoor units, improve user airflow feel, and increase the volume of supplied air and the cooling / heating speed.

The invention provides an air conditioner. The air conditioner comprises a shell, a volute and an air deflector; the shell is provided with an air outlet; the volute is arranged inside the shell in a rotating mode and is provided with an air channel, and an air channel outlet of the air channel is arranged towards the air outlet; and the air deflector is movably arranged at the air outlet and is matched with the volute to divide the air outlet into two subsidiary air outlets, one subsidiary air outlet is put into use while the other subsidiary air outlet is not used, and a first included angle is formed between the air supply directions of the two subsidiary air outlets. Because the volute is arranged inside the shell in the rotating mode and the air deflector is movably arranged at the air outlet, the use conditions of the subsidiary air outlet can be changed by changing the working conditions of the volute and the air deflector, then the air supply direction of the air conditioner can be changed, and the air supply modes of the air conditioner are diversified. Meanwhile, because the volute and the air deflector are matched and the air deflector serves as an air guide component, the noise and the air loss of the air conditioner can be effectively lowered in the operation process, and the use comfort and the reliability of the air conditioner can be improved.

A wall-mounted indoor unit of an air conditioner, comprising a housing (10) provided at the rear side thereof with an air inlet (101) and provided at the front side with an upper air outlet (102) and a lower air outlet (103) in a vertical arrangement; an evaporator (20) provided within the housing (10); at least one fan provided within the housing (10) and used for impelling indoor air to enter the housing (10) from the air inlet (101), to exchange heat with the evaporator (20) to produce heat-exchanged air, which is then blown out from the upper air outlet (102) and / or the lower air outlet (103); an upper baffle (50) configured as being controlled to open / close the upper air outlet (102); and a lower baffle (60) configured as being controlled to open / close the lower air outlet (103).

The invention discloses a vent device, and in particular, a vent device which can adjust room temperature without allowing air-condition wind to directly blow to passengers. In embodiments of the invention, the vent device comprises a base material which is connected with an air channel with flowing air-condition wind and is formed by a first air outlet exhausting air flowed out from the air channel, an upper cover which is disposed on the base material and is formed by an exhaust hole exhausting air exhausted by the first air outlet, and a conversion hood which is separated from the cover and converts air flow exhausted from the exhaust hole to a part between the upper cover and the separation gap.

Provided is a wall-mounted air conditioner indoor unit, comprising a housing, an upper air outlet and a lower air outlet vertically arranged in a low portion of a front side of the housing, and an air duct for guiding air in the housing to the upper air outlet and the lower air outlet, wherein a front end of a flow guide plate is pivotally mounted below a lower periphery of the upper air outlet; a foldable flow discharge member is composed of a plurality of flow discharge plates connected to each other in a hinged manner, hinge shafts are all parallel with a pivot of the flow guide plate, and a front end of the foldable flow discharge member is connected to the lower periphery of the upper air outlet, and a rear end thereof is connected to an upper surface of the flow guide plate; the flow guide plate is configured to be capable of pivoting upwards to a downwards blowing position where a rear end thereof abuts against an upper wall of the air duct and the foldable flow discharge member is in a folded state, so as to seal a passage from the air duct to the upper air outlet; and the flow guide plate is configured to be capable of pivoting downwards to an upwards blowing position where the rear end thereof abuts against a lower wall of the air duct and the foldable flow discharge member is in an unfolded state, so as to seal a passage from the air duct to the lower air outlet, such that air blows out from the upper air outlet. The invention enriches air supply modes of an air conditioner, and improves an air sense experience of users.

The invention provides a vertical air conditioner indoor unit. The vertical air conditioner indoor unit comprises a machine shell, two air channels and two air guide barrels. The machine shell is provided with two air outlets arranged in the transverse direction of the machine shell and used for supplying air to the indoor environment. The two air ducts are arranged in the machine shell and arranged in the transverse direction of the machine shell, and an outlet of each air duct communicates with one air outlet. Each air guide barrel is vertically arranged at one air outlet, and the peripheral wall of each air guide barrel comprises an air guide section and a ventilation section which are arranged in the circumferential direction of the peripheral wall, so that air outlet airflow at the air outlets is allowed to enter the air guide barrels through partial areas of the ventilation sections, is guided by the inner walls of the air guide sections and then is blown to the indoor environment through the rest areas of the ventilation sections. And the air guide cylinder is configured to adjust the air outlet direction of the air guide cylinder in a manner of rotating around the vertical axis. According to the vertical air conditioner indoor unit, the special air guide barrel is used for guiding air, and the product distinction degree and the use experience of a user are improved.

The invention provides a wall-mounted air conditioner indoor unit. The indoor unit comprises a shell, and an upper air outlet and a lower air outlet are arranged on the lower portion of the front sideof the shell up and down; an air duct is used for guiding air in the shell to the upper air outlet and the lower air outlet; and the front edge of a flow guide plate is pivotally mounted between theupper air outlet and the lower air outlet, the lower edge of the upper air outlet extends backwards to form a first flow leading plate, the surface of the flow guide plate extends to form a second flow leading plate, the flow guide plate can be pivoted upwards until the rear end of the flow guide plate abuts against a downward-blowing position, where the first flow leading plate and the second flow leading plate are attached to each other, of the upper wall of the air duct so as to close a passage from the air duct to the upper air outlet so that the air can only be blown out from the lower air outlet, and the flow guide plate can be pivoted downwards until the rear end of the flow guide plate abuts against an upward-blowing position, where the edge of the first flow leading plate and theedge of the second flow leading plate are connected, of the lower wall of the air duct so as to close a passage from the air duct to the lower air outlet so that the air can only be blown out from theupper air outlet. According to the indoor unit, the air supply mode of an air conditioner is enriched, and the air feeling experience of a user is improved.

The invention discloses an axial flow fan, a control method of the axial flow fan and an air conditioner. The axial flow fan comprises a motor, a first wind wheel and a second wind wheel. The motor comprises a motor shell, a first rotating shaft and a second rotating shaft, wherein the first rotating shaft and the second rotating shaft extend from the same side of the motor shell, the first rotating shaft sleeves the outer side of the second rotating shaft, and the first rotating shaft and the second rotating shaft rotate independently. The first wind wheel comprises a first hub and a first blade arranged on the first hub, the first hub is mounted on the first rotating shaft, a mounting cavity is formed in the hollow first hub and against an opening of the motor, and the second rotating shaft extends into the mounting cavity from the first rotating shaft. The second wind wheel is mounted on the second rotating shaft and is arranged in the mounting cavity. According to the technical scheme, the axial flow fan has the advantages of good air supply effect and multiple air supply modes.

The invention provides an indoor unit of a wall-mounted type air conditioner. The indoor unit comprises a housing, an air flue, a guide plate, a first drainage plate and a second drainage plate, wherein an upper air outlet and a lower air outlet are formed in the lower part of the front side of the housing; the front end of the guide plate can be pivotally mounted between the two air outlets, canbe configured to be a channel which can pivot upwards until the rear end of the guide plate abuts against the lower blowing position of the upper wall of the air flue for sealing the air flue to the upper air outlet, and can be configured to be a channel which can downwards pivot until the rear end of the guide plate abuts against the upper blowing position of the lower wall of the air flue for sealing the air flue to the lower air outlet; the first drainage plate is provided with a flat plate section which extends backwards from the lower edge of the upper air outlet and a first circular-arcsection which extends backwards from the rear end of the flat plate section, and the axis of the circular-arc section is coaxial with the pivotal shaft of the guide plate; the second drainage plate isprovided with a second circular-arc section which extends outwards from the upper surface of the guide plate and a third circular-arc section which is connected with the second circular-arc section,and the axis of the third circular-arc section is coaxial with the pivotal shaft of the guide plate; when the guide plate is on the upper blowing position, the two drainage plates are connected for guiding gas flow; and when the guide plate is on the lower blowing position, the second drainage plate fits to one side of the first drainage plate.