CN116294165A - Air deflector device, air conditioner and control method - Google Patents

Abstract

The invention provides an air deflector device, an air conditioner and a control method, wherein an air outlet is formed in ventilation equipment, the air deflector device comprises a rotating shaft and air deflectors, the rotating shaft is rotatably arranged at the air outlet, the air deflectors comprise a plurality of air deflectors, and the plurality of air deflectors are arranged on the rotating shaft at intervals along the circumferential direction of the rotating shaft; when the rotating shaft rotates, the air deflectors can synchronously rotate; when the rotating shaft is controlled to rotate to different angles, the air outlet can realize sealing, up-down air outlet, independent upper air outlet and independent lower air outlet; the air outlet quantity of the air outlet can be adjusted by adjusting the rotation angle of the rotating shaft; the structure and the control mode are simple, the occupied space is small, and the movement is stable; the two side surfaces of each air deflector in the thickness direction are of an airfoil-shaped structure, and the joint of the air deflector and the rotating shaft is in smooth transition, so that the resistance of air passing is reduced; and determining a target rotation angle of the rotating shaft according to the current position and the target position of the air deflector, and controlling the rotating shaft to rotate by the target rotation angle to enable the air outlet to be in a target state.

Description

Air deflector device, air conditioner and control method

Technical Field

The invention belongs to the technical field of air treatment, and particularly relates to an air deflector device, an air conditioner and a control method.

Background

The air deflector is an important part of the ventilation equipment, plays a role in guiding the air exhausted from the air outlet, and can open and close the air outlet. In the prior art, a single air deflector is arranged at an air outlet of some ventilation equipment, so that the air outlet has a narrow air outlet direction and air outlet quantity adjusting range, the air guiding effect is poor, the air outlet mode is single, different requirements of users are difficult to meet, and the user experience is poor; some ventilation equipment's air-out department sets up a plurality of aviation baffles, but every aviation baffle needs independent controlled motion for aviation baffle device structure is complicated, control process is loaded down with trivial details, occupation space is big and the motion is unstable.

Disclosure of Invention

In view of the above, the invention provides an air deflector device, an air conditioner and a control method, which are used for solving the problems of the prior art that the air outlet direction and the air outlet regulation range of an air outlet are narrow when a single air deflector is arranged, the structure is complex, the control process is complex, the occupied space is large and the like when a plurality of air deflectors are arranged.

The invention provides an air deflector device which is used for ventilation equipment, wherein an air outlet is formed in the ventilation equipment, the air deflector device comprises a rotating shaft and an air deflector, the rotating shaft is rotatably arranged at the air outlet, the air deflector comprises a plurality of air deflectors, and the plurality of air deflectors are arranged on the rotating shaft at intervals along the circumferential direction of the rotating shaft;

when the rotating shaft rotates, the air deflectors can synchronously rotate.

Further optionally, the length direction of the air outlet, the length direction of each air deflector is consistent with the axial direction of the rotating shaft; the face of each air deflector passes through the axis of the rotating shaft.

Further optionally, the width of each air deflector is different; or (b)

And the width of at least one air deflector among the plurality of air deflectors is smaller than that of other air deflectors.

Further alternatively, both side surfaces of each air deflector in the thickness direction are of an airfoil-like structure.

Further alternatively, each of the air deflectors is formed with a convex structure on both sides in the thickness direction.

Further optionally, the total number of the air deflectors is n; of the two adjacent air deflectors, one air deflector has a width b1, the other air deflector has a width b2, and the difference delta b=b1-b 2 between the widths of the two air deflectors;

the included angle between two adjacent air deflectors is related to n and delta b.

Further optionally, the air deflector device further comprises a first driving mechanism and a second driving mechanism; the first driving mechanism comprises a first driving motor, the first driving motor is in driving connection with the rotating shaft and drives the rotating shaft and the air deflectors to rotate, so that the air outlet can realize different-direction air outlet;

the second driving mechanism comprises a second driving motor, a first transmission part and a second transmission part, the second driving motor is in driving connection with the first transmission part, the second transmission part is in driving connection with the first transmission part, and the first driving motor and the air deflectors are arranged on the second transmission part; the second driving motor drives the first transmission piece to move, and the plurality of air deflectors open or close the air outlet under the transmission action of the second transmission piece.

The invention also provides an air conditioner which comprises a bottom shell and the air deflector device; the bottom shell is provided with an air outlet, and the rotating shaft is rotatably arranged at the air outlet.

The invention also provides a control method of the air conditioner, which comprises the following steps:

determining the current positions of a plurality of air deflectors according to the current state of the air outlet;

determining target positions of a plurality of air deflectors according to the target state of the air outlet;

determining a target rotation angle of the rotating shaft according to the current positions and the target positions of the air deflectors;

and controlling the rotating shaft to rotate by a target rotating angle.

Further optionally, the plurality of air deflectors includes a first air deflector, a second air deflector, and a third air deflector, the width of the first air deflector is smaller than the width of the second air deflector, and the width of the first air deflector is smaller than the width of the third air deflector; the current state and the target state of the air outlet are any one of the states of the air outlet, and the states of the air outlet comprise an initial state, an upper air outlet state, a lower air outlet state and an upper and lower air outlet state;

the determining the target positions of the plurality of air deflectors according to the target state of the air outlet comprises the following steps:

when the air outlet is in an initial state, the first air deflector is positioned at the outer side of the air outlet, the plate surface of the first air deflector is parallel to a preset reference line, the second air deflector is close to the lower edge of the air outlet, and the third air deflector is close to the upper edge of the air outlet; the preset reference line is obliquely downwards arranged from the inner side of the air outlet to the outer side of the air outlet;

when the air outlet is in an upper air outlet state, the first air deflector is close to the upper edge of the air outlet, the second air deflector is positioned at the outer side of the air outlet, and the third air deflector is close to the lower edge of the air outlet;

when the air outlet is in a lower air outlet state, the first air deflector is close to the lower edge of the air outlet, the second air deflector is close to the upper edge of the air outlet, and the third air deflector is positioned at the outer side of the air outlet;

when the air outlet is in an up-down simultaneous air outlet state, the second air deflector is far away from the upper edge or the lower edge of the air outlet, and the third air deflector is far away from the lower edge or the upper edge of the air outlet.

Further optionally, an included angle between the plate surface of the first air deflector and the plate surface of the second air deflector is alpha, an included angle between the plate surface of the second air deflector and the plate surface of the third air deflector is beta, and an included angle between the plate surface of the third air deflector and the plate surface of the first air deflector is gamma; satisfying α+β+γ=360°;

the current state of the air outlet is an initial state, and the determining the target rotation angle of the rotating shaft according to the current positions and the target positions of the air deflectors comprises the following steps:

when the target state of the air outlet is an upper air outlet state, the target rotation angle theta=alpha of the rotating shaft;

when the target state of the air outlet is a lower air outlet state, the target rotation angle θ=α+β of the rotating shaft;

when the target state of the air outlet is the upper and lower air outlet state, the target rotation angle theta of the rotating shaft is smaller than alpha, alpha is smaller than theta and smaller than alpha+beta, and alpha+beta is smaller than theta and smaller than 360 degrees.

Further optionally, the state of the air outlet further comprises a closed state; when the air outlet is in a closed state, the first air deflector is positioned at the inner side of the air outlet, the second air deflector is close to the upper edge of the air outlet, and the third air deflector is close to the lower edge of the air outlet;

the current state of the air outlet is an initial state, and when the target state of the air outlet is a closed state, the target rotation angle θ=α+0.5×β of the rotating shaft.

Compared with the prior art, the invention has the following main beneficial effects:

(1) The air outlets can realize sealing, up-down simultaneous air outlet, independent upper air outlet and independent lower air outlet when the rotating shafts are controlled to rotate to different angles; the air outlet quantity of the air outlet can be adjusted by adjusting the rotation angle of the rotating shaft; the air outlet direction, the air outlet quantity and the air supply distance of the air outlet are large in adjustment range, the air guide effect is obvious, the air outlet modes are various, and different requirements of users can be met; the structure and the control mode are simple, the occupied space is small, the shake is small and the movement is stable; the problems of narrow adjustable range of the air outlet direction of a single air deflector and single air outlet mode are solved, and the problems of complex structure, complicated control process and unstable movement of a plurality of air deflectors are solved;

(2) The two side surfaces of each air deflector in the thickness direction are of an airfoil-like structure, the joint of the air deflector and the rotating shaft is in smooth transition, the resistance of air passing is reduced, the flow path of the air is optimized, the air outlet loss is reduced, large-range and long-distance air supply can be realized, the air supply is uniform and the air supply quantity is sufficient, and the air supply comfort is improved; protruding structures are formed on two lateral surfaces of each air deflector in the thickness direction, so that a turbulence effect is achieved;

(3) The length of one of the three air deflectors is smaller than that of the other two air deflectors; compared with the combination of three air deflectors with the same size, the combination with different sizes can realize more air outlet effects; and determining a target rotation angle of the rotating shaft according to the current position and the target position of the air deflector, and controlling the rotating shaft to rotate by the target rotation angle to enable the air outlet to be in a target state.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.

Fig. 1a and fig. 1b are schematic structural diagrams of an embodiment of a plurality of air deflectors provided by the present invention after being connected with a rotating shaft;

fig. 2a is a schematic structural diagram of an embodiment of an air outlet of an air conditioner in an initial state;

fig. 2c is a schematic structural diagram of an embodiment of the air conditioner provided by the invention when an air outlet is in an upper air outlet state;

fig. 2g is a schematic structural diagram of an embodiment of the air conditioner provided by the invention when an air outlet is in a down air outlet state;

fig. 2i is a schematic structural diagram of an embodiment of the air conditioner provided by the invention when an air outlet is in a closed state;

fig. 2b, fig. 2d, fig. 2e, fig. 2f, fig. 2h are schematic structural diagrams of an embodiment of the air conditioner provided by the invention when an air outlet is in an up-down and air outlet state;

in the figure:

11-a first air deflector; 12-a second air deflector; 13-a third air deflector;

2-rotating shaft;

3-air conditioning; 31-bottom case; 32-a panel body; 33-an evaporator; 34-cross flow fan blades; 35-volute; 36-volute tongue; 371—first transmission member; 372-a second transmission member; 38-a limiting piece; 39-preset reference line.

Detailed Description

Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, the "plurality" generally includes at least two, but does not exclude the case of at least one.

It should be understood that the term "and/or" as used herein is merely one relationship describing the association of the associated objects, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a commodity or system comprising such elements.

In the prior art, a single air deflector is arranged at an air outlet of some ventilation equipment, so that the air outlet has a narrow air outlet direction and air outlet quantity adjusting range, the air guiding effect is poor, the air outlet mode is single, different requirements of users are difficult to meet, and the user experience is poor; a plurality of air deflectors are arranged at the air outlet of some ventilation equipment, but each air deflector needs to be independently controlled to move, so that the air deflector device has a complex structure, a complex control process, large occupied space and unstable movement;

the invention creatively provides an air deflector device which is used for ventilation equipment, wherein the ventilation equipment is provided with an air outlet, the air deflector device comprises a rotating shaft and air deflectors, the rotating shaft is rotatably arranged at the air outlet, the air deflectors comprise a plurality of air deflectors, and the plurality of air deflectors are arranged on the rotating shaft at intervals along the circumferential direction of the rotating shaft; when the rotating shaft rotates, the air deflectors can synchronously rotate; when the rotating shaft is controlled to rotate to different angles, the air outlet can realize sealing, up-down air outlet, independent upper air outlet and independent lower air outlet; the air outlet quantity of the air outlet can be adjusted by adjusting the rotation angle of the rotating shaft; the structure and the control mode are simple, the occupied space is small, and the movement is stable.

< air deflector device >

As shown in fig. 1a and 1b, the present embodiment provides an air deflector device for a ventilation apparatus, particularly for a wall-mounted air conditioner; the ventilation equipment is provided with an air outlet 311, the air deflector device is arranged at the air outlet 311 and comprises a rotating shaft 2 and an air deflector, the rotating shaft 2 is rotatably arranged at the air outlet 311, and the axis of the rotating shaft 2 is consistent with the length direction of the air outlet 311; the air deflectors comprise a plurality of air deflectors which are arranged on the rotating shaft 2 at intervals along the circumferential direction of the rotating shaft 2; when the rotating shaft 2 rotates, the plurality of air deflectors can synchronously rotate; the number of the air deflectors is not limited, but the number of the air deflectors is larger than 2, and in the embodiment, the air deflectors comprise a first air deflector 11, a second air deflector 12 and a third air deflector 13;

further, the length direction of each air deflector is consistent with the axial direction of the rotating shaft 2; the plate surface of each air deflector passes through the axis of the rotating shaft 2; the width of each air deflector can be different, or the width of at least one air deflector is smaller than the width of other air deflectors in the three air deflectors; in this embodiment, the width of the first air deflector 11 is smaller than the width of the second air deflector 12, and the width of the second air deflector 12 is equal to the width of the third air deflector 13;

in summary, the plurality of air deflectors can synchronously rotate along with the rotating shaft 2, and when the rotating shaft 2 is controlled to rotate to different angles, the air outlet 311 can realize sealing, up-down simultaneous air outlet, independent upper air outlet and independent lower air outlet; the air output of the air outlet 311 can be adjusted by adjusting the rotation angle of the rotating shaft 2; the air outlet 311 has large adjustment range of air outlet direction, air outlet quantity and air supply distance, obvious air guiding effect and various air outlet modes, and can meet different requirements of users; the structure and the control mode are simple, the occupied space is small, the shake is small and the movement is stable; the problems of narrow adjustable range of the air outlet direction of a single air deflector and single air outlet mode are solved, and the problems of complex structure, complicated control process and unstable movement of a plurality of air deflectors are solved.

Aiming at the problem of air output loss caused by large air output resistance at the joint of the air deflectors and the rotating shaft 2, the embodiment provides that the two side surfaces of each air deflector in the thickness direction are of an airfoil-shaped structure, and the joint of each air deflector and the rotating shaft 2 is in smooth transition; the resistance of air passing is reduced, the flow path of the air is optimized, the air output loss is reduced, large-range and long-distance air supply can be realized, the air supply is uniform and sufficient, and the air supply comfort is improved.

Aiming at the problem that the air supply area is small when the air guide plates are used for directional air supply, the embodiment provides that a plurality of air guide plates with different sizes are used in combination, so that the air supply area is increased.

To the problem of air supply travelling comfort, the both sides face of the thickness direction of every aviation baffle all is formed with protruding structure, plays the vortex effect, avoids large tracts of land cold wind to directly blow, has strengthened the travelling comfort.

In addition, the total number of the air deflectors is n; of the two adjacent air deflectors, one air deflector has a width b1, the other air deflector has a width b2, and the difference Deltab=b1-b 2 between the widths of the two air deflectors;

the included angle between two adjacent air deflectors is related to n and delta b; the more the number of the air deflectors is, the smaller the included angle between two adjacent air deflectors is, the larger the difference delta b between the widths of the two adjacent air deflectors is, and the larger the included angle between the two adjacent air deflectors is;

aiming at the air deflector, various air outlet modes are realized, and sealing is also realized, the embodiment provides that the air deflector device also comprises a first driving mechanism and a second driving mechanism; the first driving mechanism comprises a first driving motor which is in driving connection with the rotating shaft 2 and drives the rotating shaft 2 and the plurality of air deflectors to rotate, so that the air outlet 311 realizes different-direction air outlet; specifically, an output shaft of the first driving motor is directly connected with the rotating shaft 2 in a driving way, and the first driving motor is controlled to rotate at different angles according to the structure and the arrangement positions of the air deflectors, so that different air outlet modes are realized;

the second driving mechanism comprises a second driving motor, a first transmission piece 371 and a second transmission piece 372, wherein the second driving motor is in driving connection with the first transmission piece 371, the second transmission piece 372 is in driving connection with the first transmission piece 371, and the first driving motor and a plurality of air deflectors are arranged on the second transmission piece 372; the second driving motor drives the first transmission piece 371 to move, and the plurality of air deflectors open or close the air outlet 311 under the transmission action of the second transmission piece 372; specifically, an air outlet 311 is provided with an air outlet frame, a plurality of limiting pieces 38 are arranged on the air outlet frame, and the limiting pieces 38 are arranged in a mutually-arranged manner to form an arc-shaped sliding rail; the first transmission piece 371 is a gear, and the gear is in driving connection with the second driving motor; the second transmission piece 372 is an arc-shaped rack, the arc-shaped rack is embedded in the arc-shaped slide rail, and a first driving motor and a plurality of air deflectors are arranged at one end of the arc-shaped rack, which is close to the air outlet 311;

when the second driving motor drives the gear to rotate, the arc rack slides along the arc sliding rail, so that the first driving motor and the air deflectors are driven to move towards the inner side of the air outlet 311, the air deflectors are driven to seal the air outlet 311, or the first driving motor and the air deflectors are driven to move towards the outer side of the air outlet 311, and the air deflectors are driven to open the air outlet 311; when the air outlet 311 is opened, the first driving motor drives the rotating shaft 2 to rotate, so that the plurality of air deflectors rotate to different positions, and different air outlet modes can be realized.

< air conditioner >

The embodiment also provides an air conditioner, the air conditioner 3 comprises a bottom shell 31, a panel body 32 and the air deflector device described in any one of the above; the bottom shell 31 is provided with an air outlet 311, and the rotating shaft 2 is rotatably arranged at the air outlet 311; the bottom shell 31 and the panel body 32 are enclosed to form a cavity, a volute 35 and a volute tongue 36 are formed in the cavity, the volute 35 and the volute tongue 36 are enclosed to form an air channel, an evaporator 33 is arranged at the lower side of an air inlet end of the air channel, and a cross-flow fan blade 34 is arranged at the lower side of the evaporator 33; the air outlet end of the air duct is communicated with the air outlet 311;

the rotation of the rotating shaft 2 is controlled, so that different air outlet modes of the air conditioner 3 can be realized, and different effects can be achieved by combining the running mode of the air conditioner 3, so that the user experience is improved;

specifically, the plurality of air deflectors include a first air deflector 11, a second air deflector 12, and a third air deflector 13, the width of the first air deflector 11 is smaller than the width of the second air deflector 12, and the width of the first air deflector 11 is smaller than the width of the third air deflector 13;

the included angle between the plate surface of the first air deflector 11 and the plate surface of the second air deflector 12 is alpha, the included angle between the plate surface of the second air deflector 12 and the plate surface of the third air deflector 13 is beta, and the included angle between the plate surface of the third air deflector 13 and the plate surface of the first air deflector 11 is gamma; satisfying α+β+γ=360°;

it should be noted that, the included angle between two adjacent air deflectors is not limited, and can be set according to actual needs.

The rotation of the rotating shaft 2 is controlled, so that the combined use of the second air deflector 12 and the third air deflector 13 can be realized, and the combined use of any one of the second air deflector 12 and the third air deflector 13 and the first air deflector 11 can be realized; in the rotating process of the rotating shaft 2, the effects of sealing the air outlet 311, simultaneously air-out up and down, independently air-out up and air-out down and the like can be realized.

< control method >

As shown in fig. 2a to 2i, the present embodiment further provides a control method of the air conditioner 3, where the control method includes:

s1, determining the current positions of a plurality of air deflectors according to the current state of an air outlet 311;

s2, determining target positions of a plurality of air deflectors according to target states of the air outlets 311;

s3, determining a target rotation angle of the rotating shaft 2 according to the current positions and the target positions of the plurality of air deflectors;

and S4, controlling the rotating shaft 2 to rotate by a target rotating angle.

Further, the current state and the target state of the air outlet 311 are any one of the states of the air outlet 311, and the states of the air outlet 311 include an initial state, an upper air outlet state, a lower air outlet state and an upper and lower air outlet state;

s2 comprises the following steps:

when the air outlet 311 is in an initial state, the first air deflector 11 is positioned at the outer side of the air outlet 311, the plate surface of the first air deflector 11 is parallel to the preset reference line 39, the second air deflector 12 is close to the lower edge of the air outlet 311, and the third air deflector 13 is close to the upper edge of the air outlet 311; the preset reference line 39 is obliquely downwards arranged from the inner side of the air outlet 311 to the outer side of the air outlet 311;

when the air outlet 311 is in an upper air outlet state, the first air deflector 11 is close to the upper edge of the air outlet 311, the second air deflector 12 is positioned at the outer side of the air outlet 311, and the third air deflector 13 is close to the lower edge of the air outlet 311;

when the air outlet 311 is in a lower air outlet state, the first air deflector 11 is close to the lower edge of the air outlet 311, the second air deflector 12 is close to the upper edge of the air outlet 311, and the third air deflector 13 is positioned outside the air outlet 311;

when the air outlet 311 is in the up-down air-out state, the second air deflector 12 is far away from the upper edge or the lower edge of the air outlet 311, and the third air deflector 13 is far away from the lower edge or the upper edge of the air outlet 311.

It should be noted that, the initial state of the air outlet 311 may be other states, and may be set according to actual needs.

Further, the current state of the air outlet 311 is an initial state, and S3 includes:

when the target state of the air outlet 311 is the air outlet state, the target rotation angle θ=α of the rotating shaft 2;

when the target state of the air outlet 311 is the down-air-outlet state, the target rotation angle θ=α+β of the rotating shaft 2;

when the target state of the air outlet 311 is the up-down simultaneous air outlet state, the target rotation angles θ < α, α < θ < α+β, and α+β < θ < 360 ° of the rotating shaft 2.

In addition, the state of the air outlet 311 further includes a closed state; when the air outlet 311 is in a closed state, the first air deflector 11 is positioned at the inner side of the air outlet 311, the second air deflector 12 is close to the upper edge of the air outlet 311, and the third air deflector 13 is close to the lower edge of the air outlet 311;

the current state of the air outlet 311 is an initial state, and when the target state of the air outlet 311 is a closed state, the target rotation angle θ=α+0.5×β of the rotating shaft 2.

Specifically, the three air deflectors can rotate 360 degrees around the rotating shaft 2, and the rotating shaft 2 can rotate clockwise or anticlockwise, so that different air outlet modes are realized; the counter-clockwise rotation is taken as an example for illustration:

as shown in fig. 2a, the first air deflector 11 is located at the outer side of the air outlet 311, the plate surface of the first air deflector 11 is parallel to the preset reference line 39, the second air deflector 12 is close to the lower edge of the air outlet 311, the third air deflector 13 is close to the upper edge of the air outlet 311, and the air outlet 311 is in an initial state at this time; the preset reference line 39 is obliquely downwards arranged from the inner side of the air outlet 311 to the outer side of the air outlet 311; defining a target rotation angle θ=0° of the rotation shaft 2;

as shown in fig. 2b, the rotating shaft 2 rotates anticlockwise, the target rotation angle θ of the rotating shaft 2 gradually increases, the third air deflector 13 gradually gets away from the upper edge of the air outlet 311, the upper side of the air outlet 311 is opened, the second air deflector 12 gradually gets away from the lower edge of the air outlet 311, the lower side of the air outlet 311 is opened, and 0 ° < θ < α, at this time, the air outlet 311 is in an up-down air outlet state; the third air deflector 13 is used as a diversion air deflector, so as to form a diversion effect on air flow, one part of air flow flows along the surfaces of the third air deflector 13 and the first air deflector 11, and the other part of air flow flows along the surfaces of the third air deflector 13 and the second air deflector 12, so that the air outlet 311 can realize the up-down air outlet effect;

as shown in fig. 2c, the rotating shaft 2 continues to rotate anticlockwise, the target rotation angle θ of the rotating shaft 2 gradually increases, the third air deflector 13 gradually approaches the lower edge of the air outlet 311, the lower side of the air outlet 311 is gradually closed, the first air deflector 11 gradually approaches the upper edge of the air outlet 311, when the target rotation angle θ=α of the rotating shaft 2, the lower side of the air outlet 311 is completely closed, and because the width of the first air deflector 11 is smaller, the upper side of the air outlet 311 is not completely closed at this time, so that only the air outlet effect of the air outlet 311 can be achieved;

as shown in fig. 2d, the rotating shaft 2 continues to rotate anticlockwise, the target rotation angle θ of the rotating shaft 2 gradually increases, the third air deflector 13 gradually gets away from the lower edge of the air outlet 311, the lower side of the air outlet 311 is gradually opened, the first air deflector 11 gradually gets away from the upper edge of the air outlet 311, α < θ < α+β, at this time, the first air deflector 11 serves as a split air deflector, so as to form a split effect on the air flow, a part of the air flow flows along the surfaces of the first air deflector 11 and the second air deflector 12, and another part of the air flow flows along the surfaces of the first air deflector 11 and the third air deflector 13, so as to realize the up-down air outlet 311 simultaneously; the difference between this state and the state of fig. 2b is that the first air deflector 11 in this state is smaller in size, causes less resistance to the air flow, and has a larger air outlet volume;

as shown in fig. 2e, the rotating shaft 2 continues to rotate anticlockwise, the target rotation angle θ of the rotating shaft 2 gradually increases, the third air deflector 13 gradually gets away from the lower edge of the air outlet 311, the lower side of the air outlet 311 is opened, the second air deflector 12 gradually gets close to the upper edge of the air outlet 311, when the target rotation angle θ=α+0.5×β of the rotating shaft 2, the air outlet area of the upper side of the air outlet 311 is equal to the air outlet area of the lower side of the air outlet 311, and the air outlet difference is smaller; as shown in fig. 2i, in some embodiments, the second driving motor is controlled to drive the first driving member 371 to move, so that the second driving member 372 drives the plurality of air deflectors to move towards the inner side of the air outlet 311 until the second air deflector 12 is close to the upper edge of the air outlet 311, and the third air deflector 13 is close to the lower edge of the air outlet 311, so that the air outlet 311 is in a closed state;

as shown in fig. 2f, the rotating shaft 2 continues to rotate anticlockwise, the target rotation angle θ of the rotating shaft 2 gradually increases, the first air deflector 11 gradually approaches the lower edge of the air outlet 311, the second air deflector 12 gradually approaches the upper edge of the air outlet 311, the upper side of the air outlet 311 is gradually closed, α+0.5×β < θ < α+β, at this time, the first air deflector 11 is used as a split air deflector to form a split effect on the air flow, a part of the air flow flows along the surfaces of the first air deflector 11 and the second air deflector 12, and another part of the air flow flows along the surfaces of the first air deflector 11 and the third air deflector 13, so as to realize the up-down air outlet 311 simultaneously;

as shown in fig. 2g, the rotating shaft 2 continues to rotate anticlockwise, the target rotation angle θ of the rotating shaft 2 gradually increases, the second air deflector 12 gradually approaches the upper edge of the air outlet 311, the upper side of the air outlet 311 is gradually closed, the first air deflector 11 gradually approaches the lower edge of the air outlet 311, when the target rotation angle θ=α+β of the rotating shaft 2, the upper side of the air outlet 311 is completely closed, and since the width of the first air deflector 11 is smaller, the lower side of the air outlet 311 is not completely closed at this time, so that only the air outlet 311 is enabled to emit air;

as shown in fig. 2h, the rotating shaft 2 continues to rotate anticlockwise, the target rotation angle θ of the rotating shaft 2 gradually increases, the first air deflector 11 gradually gets away from the lower edge of the air outlet 311, the third air deflector 13 gradually gets close to the upper edge of the air outlet 311, α+β < θ < 360 °, at this time, the second air deflector 12 serves as a split air deflector to form a split effect on the air flow, a part of the air flow flows along the surfaces of the second air deflector 12 and the third air deflector 13, and another part of the air flow flows along the surfaces of the second air deflector 12 and the first air deflector 11, so as to achieve the up-down air outlet effect of the air outlet 311;

in summary, with the air deflector device of the present application, the adjustment of various air outlet modes and air outlet amounts can be achieved by controlling the target rotation angle of the rotating shaft 2; in the large air volume mode, the first air deflector 11 can be used as a split air deflector; in the up-down simultaneous air-out mode, the target rotation angle change range of the rotating shaft 2 can be set to be alpha < theta < alpha+beta; in the small air quantity mode and the up-down simultaneous air outlet mode, the target rotation angle change range of the rotating shaft 2 can be set to be more than 0 degrees and less than alpha or more than alpha plus beta and less than theta and less than 360 degrees; after the air conditioner 3 is started, the rotating shaft 2 can rotate to a certain angle and then keep static, so that constant-angle air supply is realized, and the air conditioner can also reciprocate at a certain frequency, so that the dynamic change of the air supply range is realized.

Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that this disclosure is not limited to the particular arrangements, instrumentalities and methods of implementation described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims (12)

1. The air deflector device is used for ventilation equipment, and is provided with an air outlet, and is characterized by comprising a rotating shaft and an air deflector, wherein the rotating shaft is rotatably arranged at the air outlet, the air deflector comprises a plurality of air deflectors, and the plurality of air deflectors are arranged on the rotating shaft at intervals along the circumferential direction of the rotating shaft;

when the rotating shaft rotates, the air deflectors can synchronously rotate.

2. The air deflector device of claim 1, wherein the length direction of the air outlet, the length direction of each air deflector is consistent with the axial direction of the rotating shaft; the face of each air deflector passes through the axis of the rotating shaft.

3. The air deflector arrangement of claim 2, wherein the width of each air deflector varies; or alternatively, the first and second heat exchangers may be,

and the width of at least one air deflector among the plurality of air deflectors is smaller than that of other air deflectors.

4. The air deflector device of claim 3, wherein each of the air deflector has an airfoil-like structure on both sides in a thickness direction thereof.

5. The air deflector apparatus of claim 4, wherein each of the air deflector is formed with a convex structure on both sides in a thickness direction thereof.

6. The air deflector arrangement of claim 3, wherein the total number of air deflectors is n; of the two adjacent air deflectors, one air deflector has a width b1, the other air deflector has a width b2, and the difference delta b=b1-b 2 between the widths of the two air deflectors;

the included angle between two adjacent air deflectors is related to n and delta b.

7. The air deflection apparatus of claim 3, wherein the air deflection apparatus further comprises a first drive mechanism and a second drive mechanism; the first driving mechanism comprises a first driving motor, the first driving motor is in driving connection with the rotating shaft and drives the rotating shaft and the air deflectors to rotate, so that the air outlet can realize different-direction air outlet;

the second driving mechanism comprises a second driving motor, a first transmission part and a second transmission part, the second driving motor is in driving connection with the first transmission part, the second transmission part is in driving connection with the first transmission part, and the first driving motor and the air deflectors are arranged on the second transmission part; the second driving motor drives the first transmission piece to move, and the plurality of air deflectors open or close the air outlet under the transmission action of the second transmission piece.

8. An air conditioner, characterized in that the air conditioner comprises a bottom shell and the air deflector device of any one of claims 1 to 7; the bottom shell is provided with an air outlet, and the rotating shaft is rotatably arranged at the air outlet.

9. The control method of an air conditioner of claim 8, wherein the control method comprises:

determining the current positions of a plurality of air deflectors according to the current state of the air outlet;

determining target positions of a plurality of air deflectors according to the target state of the air outlet;

determining a target rotation angle of the rotating shaft according to the current positions and the target positions of the air deflectors;

and controlling the rotating shaft to rotate by a target rotating angle.

10. The method of controlling an air conditioner according to claim 9, wherein the plurality of air deflectors includes a first air deflector, a second air deflector, and a third air deflector, a width of the first air deflector being smaller than a width of the second air deflector, the width of the first air deflector being smaller than a width of the third air deflector; the current state and the target state of the air outlet are any one of the states of the air outlet, and the states of the air outlet comprise an initial state, an upper air outlet state, a lower air outlet state and an upper and lower air outlet state;

the determining the target positions of the plurality of air deflectors according to the target state of the air outlet comprises the following steps:

when the air outlet is in an initial state, the first air deflector is positioned at the outer side of the air outlet, the plate surface of the first air deflector is parallel to a preset reference line, the second air deflector is close to the lower edge of the air outlet, and the third air deflector is close to the upper edge of the air outlet; the preset reference line is obliquely downwards arranged from the inner side of the air outlet to the outer side of the air outlet;

when the air outlet is in an upper air outlet state, the first air deflector is close to the upper edge of the air outlet, the second air deflector is positioned at the outer side of the air outlet, and the third air deflector is close to the lower edge of the air outlet;

when the air outlet is in a lower air outlet state, the first air deflector is close to the lower edge of the air outlet, the second air deflector is close to the upper edge of the air outlet, and the third air deflector is positioned at the outer side of the air outlet;

when the air outlet is in an up-down simultaneous air outlet state, the second air deflector is far away from the upper edge or the lower edge of the air outlet, and the third air deflector is far away from the lower edge or the upper edge of the air outlet.

11. The method according to claim 10, wherein an angle between the plate surface of the first air guide plate and the plate surface of the second air guide plate is α, an angle between the plate surface of the second air guide plate and the plate surface of the third air guide plate is β, and an angle between the plate surface of the third air guide plate and the plate surface of the first air guide plate is γ; satisfying α+β+γ=360°;

the current state of the air outlet is an initial state, and the target rotation angle theta=0° of the rotating shaft; the determining the target rotation angle of the rotating shaft according to the current positions and the target positions of the air deflectors comprises the following steps:

when the target state of the air outlet is an upper air outlet state, the target rotation angle theta=alpha of the rotating shaft;

when the target state of the air outlet is a lower air outlet state, the target rotation angle θ=α+β of the rotating shaft;

when the target state of the air outlet is the upper and lower air outlet state, the target rotation angle of the rotating shaft is more than 0 degrees and less than alpha, more than alpha and less than alpha+beta, and more than alpha+beta and less than theta and less than 360 degrees.

12. The control method of an air conditioner according to claim 10, wherein the state of the air outlet further includes a closed state; when the air outlet is in a closed state, the first air deflector is positioned at the inner side of the air outlet, the second air deflector is close to the upper edge of the air outlet, and the third air deflector is close to the lower edge of the air outlet;

the current state of the air outlet is an initial state, and when the target state of the air outlet is a closed state, the target rotation angle θ=α+0.5×β of the rotating shaft.

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