CN115342512A - Air sweeping structure, air conditioner and control method - Google Patents

Air sweeping structure, air conditioner and control method Download PDF

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Publication number
CN115342512A
CN115342512A CN202211047138.8A CN202211047138A CN115342512A CN 115342512 A CN115342512 A CN 115342512A CN 202211047138 A CN202211047138 A CN 202211047138A CN 115342512 A CN115342512 A CN 115342512A
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China
Prior art keywords
blade
wind
wind sweeping
sweeping
air
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Granted
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CN202211047138.8A
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Chinese (zh)
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CN115342512B (en
Inventor
芦静
陈志伟
李建建
刘汉
薛加新
汪健
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Publication of CN115342512A publication Critical patent/CN115342512A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/15—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1433—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1446—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with gearings

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air-Flow Control Members (AREA)

Abstract

The application relates to a wind sweeping structure, an air conditioner and a control method, which belong to the technical field of air conditioners, and the wind sweeping structure comprises the following components: a fixing plate extending in a first direction; a plurality of blades of sweeping the wind, sweep the wind blade and rotationally locate on the fixed plate, a plurality of blades of sweeping the wind set up along first direction interval, wherein, sweep the wind blade and include blade skeleton and locate two at least spaced guide post on the blade skeleton, guide post extends along the second direction, and the guide post structure is cylindric, first direction perpendicular to second direction. According to the wind sweeping structure, airflow can flow out from gaps between adjacent flow guide columns, based on the cylindrical flow winding principle, when the airflow flows through the flow guide columns at a certain speed, kalman vortex streets can be formed at the wake flows of the flow guide columns, so that the airflow disturbance effect is realized, the parallel/serial multi-cylindrical flow winding problem can be converted, the airflow wake flow fluctuation is adjusted, and different air supply effects are achieved while the air quantity is guaranteed.

Description

Air sweeping structure, air conditioner and control method
Technical Field
The application relates to the technical field of air conditioners, in particular to a wind sweeping structure, an air conditioner and a control method.
Background
With the development of the wall hanging machine technology, the comfort function of the air conditioner is more and more valued by people. Traditional air conditioner cold wind directly blows the human body, and the air supply direction is comparatively single, and the air supply scope is less, and difficult multiple air current air supply that realizes, and comfortable experience nature is relatively poor, perhaps realizes soft air supply with the sacrifice air output, consequently, guarantee air output when needing urgently to need an air conditioner can realize the travelling comfort air supply.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the air sweeping structure which can realize air supply in multiple modes, the air supply is softer without reducing the air quantity, and the direct blowing to a human body is avoided.
The invention also provides an air conditioner which comprises the wind sweeping structure.
The invention also provides a control method, which comprises the air conditioner.
The wind sweeping structure according to the present invention comprises: a fixing plate extending in a first direction; a plurality of blades of sweeping the wind, sweep the wind blade and rotationally locate on the fixed plate, a plurality of blades of sweeping the wind set up along first direction interval, wherein, sweep the wind blade and include blade skeleton and locate two at least spaced guide post on the blade skeleton, guide post extends along the second direction, and the guide post structure is cylindric, first direction perpendicular to second direction.
According to the air sweeping structure, airflow can flow out from gaps between adjacent guide columns, based on the principle of cylindrical flow winding, when the airflow flows through the guide columns at a certain speed, kalman vortex street is formed at the wake flow of the guide columns, so that an airflow disturbance effect is realized, and when the air sweeping structure is applied to an air conditioner, the angles of the air sweeping blades in different air supply modes are different, so that the components of the distance between the adjacent guide columns in a first direction are different, the problem of parallel/serial multi-cylindrical flow winding is solved, the fluctuation of the wake flow of the airflow is adjusted, and different air supply effects are achieved while the air quantity is guaranteed.
According to the wind sweeping structure, the wind sweeping blade is provided with a first position and a second position, the wind sweeping blade can rotate back and forth between the first position and the second position, in the first position, the extending direction of the wind sweeping blade is parallel to the extending direction of the fixing plate, the included angle formed by the wind sweeping blade rotating from the first position to the second position is alpha, and alpha satisfies 30 degrees and 180 degrees.
Optionally, α =180 °, the wind sweeping blade further has a third position, an included angle formed by rotation of the wind sweeping blade from the first position to the third position is β, where β satisfies: when the angle beta is larger than or equal to 60 degrees and smaller than 90 degrees or larger than 90 degrees and smaller than or equal to 120 degrees, the distance component of the two adjacent guide columns in the first direction is a first distance, the distance component in the third direction is a second distance, the first distance is smaller than or equal to the second distance, and the first direction, the second direction and the third direction are perpendicular to each other.
Optionally, where β satisfies: when the angle is between 0 DEG and beta < 60 DEG or between 120 DEG and beta < 180 DEG, the first pitch is equal to or larger than the second pitch.
Optionally, the number of the flow guiding columns is n, n is a positive integer greater than 2, and the diameters of the flow guiding columns are defined as D 1 、D 2 ……D n Defining the distance between two adjacent flow guiding columns as L 1 、L 2 ……L n-1 The length of the wind sweeping blade is defined to be A, and when the wind sweeping blade is located at the first position, the length of the wind sweeping blade is in the same direction as the first direction, so that the wind sweeping blade meets the following requirements:
Figure BDA0003817893060000011
the wind sweeping structure according to the present invention further comprises: the connecting rod and the fixing plate are respectively arranged on two sides of the width direction of the wind sweeping blades and connected with the plurality of wind sweeping blades, a first clamping opening and a second clamping opening are formed in the wind sweeping blades and respectively located on two sides of the width direction of the wind sweeping blades and located on two sides of the length direction of the wind sweeping blades, a plurality of first clamping columns are arranged on the connecting rod, a plurality of second clamping columns are arranged on the fixing plate and clamped with the first clamping openings in a one-to-one correspondence manner, and the second clamping columns are clamped with the second clamping openings in a one-to-one correspondence manner; and the driving mechanism is in transmission connection with the connecting rod so as to drive the connecting rod to move.
Optionally, the sweeping blade further comprises sub-blades, the sub-blades and the guide column are located in the same row and are arranged at intervals, the sub-blades are located at one end, far away from the second clamping column, of the sweeping blade, and the profile of one side, far away from the guide column, of the sub-blades is in a fan shape.
An air conditioner according to the present invention includes: the fan is arranged in the machine shell, and an air outlet is formed in the machine shell; in the air sweeping structure, the air sweeping structure is arranged on the shell to completely open or at least partially shield the air outlet.
According to the air conditioner, airflow can flow out from gaps between adjacent guide columns, based on the principle of cylindrical flow winding, when the airflow flows through the guide columns at a certain speed, kalman vortex street is formed at the wake flow of the guide columns, so that the airflow disturbance effect is realized, the angles of the wind sweeping blades under different air supply modes are different, so that the components of the distances between the adjacent guide columns in the first direction are different, the parallel/serial multi-cylindrical flow winding problem can be converted, the airflow wake flow fluctuation is adjusted, and different air supply effects are achieved while the air quantity is guaranteed.
Optionally, the air conditioner further comprises: and the air deflector is arranged on the shell to completely open or shield the air outlet, and is positioned on one side of the air sweeping structure, which is far away from the fan.
The control method according to the present invention includes: receiving an instruction; controlling the air conditioner to be in a corresponding mode according to the received instruction, and controlling a wind sweeping blade of the air conditioner to move from the current mode when receiving a first instructionThe included angle between the position and the first position is beta 1 Position of angle, beta 1 =90 degrees, and when a second instruction is received, the air sweeping blade of the air conditioner is controlled to rotate to the angle beta with the first position from the current position 2 Angular position, 60 ° ≦ β 2 < 90 DEG or 90 DEG < beta 2 ≦ 120 °, when receiving the third instruction, controlling the wind sweeping blade of the air conditioner to rotate from the current position to the first position with an included angle β 3 Angular position, 0 ° ≦ β 3 < 60 DEG or 120 DEG < beta 3 ≦180°。
According to the control method, the angles of the wind sweeping blades can be adjusted according to different received instructions input by a user, so that the component of the distance between the adjacent guide columns in the first direction is different, the problem of parallel/serial multi-column flow winding can be solved, the airflow wake fluctuation can be adjusted, and different air supply effects can be achieved while the air quantity is guaranteed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
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, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic view of an air conditioner according to an embodiment of the present invention;
FIG. 2 is a schematic view of a wind sweeping structure according to an embodiment of the present invention;
FIG. 3 is yet another schematic illustration of a wind sweeping structure according to an embodiment of the present invention;
figure 4 is a schematic view of a wind-sweeping blade of a wind-sweeping structure according to an embodiment of the present invention in a second position;
FIG. 5 is an exploded view of a wind sweeping structure and a linkage according to an embodiment of the present invention;
FIG. 6 is an enlarged view at A in FIG. 5;
figure 7 is a perspective view of a wind-sweeping blade of a wind-sweeping structure according to an embodiment of the present invention;
FIG. 8 is an angular schematic view of the wind-sweeping blades of the wind-sweeping structure in different positions according to an embodiment of the present invention;
figure 9 is a schematic view of a wind-sweeping blade of a wind-sweeping structure according to an embodiment of the present invention in a third position;
figure 10 is a schematic view of a wind-sweeping blade of a wind-sweeping structure according to an embodiment of the present invention in a second position;
figure 11 is another schematic view of a wind-sweeping blade of a wind-sweeping structure according to an embodiment of the present invention in a third position;
fig. 12 is a flowchart of a control method according to an embodiment of the present invention.
Reference numerals:
the air conditioner 100, the air sweeping structure 1, the fixing plate 10, the second clamping column 11, the air sweeping blade 20, the blade framework 21, the guide column 22, the sub-blade 23, the first clamping interface 24, the second clamping interface 25, the first guide column 22A, the second guide column 22B, the first position C, the second position D, the third position E, the fourth position F, the connecting rod 30, the first clamping column 31, the upright column 312, the mushroom head 314, the casing 2 and the air outlet 2A,
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The kalman vortex street is a nonlinear vortex street, which is formed by periodically falling off two lines of vortexes with opposite rotation directions and arranged regularly from two sides of a cylindrical object when a steady incoming flow bypasses the object under a certain condition, wherein the two lines of vortexes respectively keep moving forward, and then interfere with each other and attract each other, and the interference is increased. Kalman vortex street is a phenomenon studied by viscous incompressible fluid dynamics.
As shown in fig. 1 to 6, a wind sweeping structure 1 according to an embodiment of the present invention includes: a fixed plate 10 and a plurality of wind-sweeping blades 20.
Specifically, the fixing plate 10 extends in a first direction; as shown in fig. 5 and 6, the wind sweeping blades 20 are rotatably disposed on the fixing plate 10, and the plurality of wind sweeping blades 20 are disposed at intervals along a first direction, wherein the wind sweeping blades 20 include a blade frame 21 and at least two spaced guide pillars 22 disposed on the blade frame 21, the guide pillars 22 extend along a second direction, the guide pillars 22 are configured to be cylindrical, and the first direction is perpendicular to the second direction.
In terms of deployment, the guide columns 22 are configured to be cylindrical, and by providing at least two guide columns 22, the air flow can appear in the kalman vortex street when passing through the wind sweeping blades 20, thereby disturbing the air flow. When the air current flows out from the gap between adjacent guide columns 22, based on the principle of cylindrical flow-around, when the air current flows through the guide columns 22 at a certain speed, a kalman vortex street is formed at the wake flow of the guide columns 22, thereby realizing the effect of air current disturbance, when the air sweeping structure 1 is applied to the air conditioner 100, the angles of the air sweeping blades 20 in different air supply modes are different, thereby making the components of the intervals of the adjacent guide columns 22 in the first direction different, converting into the problem of parallel/serial multi-cylindrical flow-around, realizing the fluctuation of the wake flow of the air current, thereby achieving different air supply effects while ensuring the air quantity.
Wherein, the diameter of guide post 22 and the clearance between the adjacent guide post 22 can produce certain influence to the vortex effect, consequently need rationally set up the diameter of guide post 22 and the clearance between the adjacent guide post 22. When the wind sweeping blade 20 has more than two guide columns 22, that is, the diameters of the guide columns 22 may be equal or different, and the gap between any two adjacent guide columns 22 may be equal or different.
As shown in fig. 6 and 7, the four guide columns 22 are disposed on the blade framework 21, the diameters of the four guide columns 22 are equal, the distances between any two adjacent guide columns 22 are equal, and the heights of the guide columns 22 along the second direction are equal.
According to the air sweeping structure 1 provided by the embodiment of the invention, airflow can flow out from gaps between adjacent guide columns 22, based on the principle of cylindrical flow-around, when the airflow flows through the guide columns 22 at a certain speed, a Kalman vortex street is formed at the wake flow of the guide columns 22, so that an airflow disturbance effect is realized, and when the air sweeping structure 1 is applied to an air conditioner 100, the angles of the air sweeping blades 20 in different air supply modes are different, so that the components of the distance between the adjacent guide columns 22 in a first direction are different, the problem of parallel/serial multi-cylindrical flow-around can be converted, the fluctuation of the wake flow of the airflow is adjusted, and different air supply effects are achieved while the air volume is guaranteed.
As shown in fig. 8, according to the wind sweeping structure 1 of the present embodiment, the wind sweeping blade 20 has a first position C and a second position D, the wind sweeping blade 20 is capable of rotating back and forth between the first position C and the second position D, when the wind sweeping blade 20 is at the first position C, the extending direction of the wind sweeping blade 20 is parallel to the extending direction of the fixing plate 10, an included angle formed by the wind sweeping blade 20 rotating from the first position C to the second position D is α, and a α satisfies 30 ° ≦ 180 °.
The "first position C" is an initial position of the wind sweeping blade 20, the "second position D" is a maximum stroke position that the wind sweeping blade 20 can rotate, and the wind sweeping blade 20 can rotate back and forth between the first position C and the second position D, meaning that the wind sweeping blade 20 can move from the first position C to the second position D and then from the second position D to the first position C, or the wind sweeping blade 20 moves from the first position C to a third position E between the first position C and the second position D and stays at the third position E between the first position C and the second position D, or from the third position E to a fourth position F between the first position C and the second position D, and the moving path and the moving range of the wind sweeping blade 20 are related to a program preset in the air conditioner 100, and the moving path and the moving range of the wind sweeping blade 20 are controlled according to corresponding instructions.
Further, a may be 30 °, 40 °, 50 °,60 °, 70 °, 80 °, 90 °, 100 °, 110 °, 120 °, 130 °, 140 °, 150 °, 160 °, 170 °, 180 °, and the like.
As shown in fig. 8, in some embodiments, when α =180 °, the longitudinal direction of the wind sweeping blade 20 is parallel to the extending direction of the fixed plate 10 in the second position D, and the longitudinal direction of the wind sweeping blade 20 is parallel to the extending direction of the fixed plate 10 in the first position C.
In some embodiments, α =180 °, the sweeping blade 20 further has a third position E, and the angle formed by the rotation of the sweeping blade 20 from the first position C to the third position E is β, where β satisfies: when β is greater than or equal to 60 ° and less than 90 ° or β is greater than or equal to 90 ° and less than or equal to 120 °, a spacing component of the two adjacent guide pillars 22 in the first direction is a first spacing M, a spacing component in the third direction is a second spacing N, the first spacing M is smaller than or equal to the second spacing N, and the first direction, the second direction, and the third direction are perpendicular to each other.
At this time, for one wind sweeping blade 20, the flow guiding columns 22 are arranged in order according to the distance from the wind outlet 2a, and the flow guiding columns 22 are divided into a first flow guiding column 22, a second flow guiding column 22 and a third flow guiding column 22 from near to far, wherein the nth flow guiding column 22 is used for converting the air flow flowing through the first flow guiding column 22 into a plurality of cylindrical flow-around problems, that is, the second flow guiding column 22 has an incoming flow speed in a third direction and an incoming flow speed from a wake vortex street of the first flow guiding column 22, and so on, when the air flow reaches the farthest flow guiding column 22, the air supply can be realized, and the air flow is softer and farther.
In addition, when β is 60 °, 65 °, 70 °, 75 °, 80 °, 85 °, 95 °, 100 °, 105 °, 110 °, 115 °, 120 °, or the like, the first pitch M is equal to or smaller than the second pitch N.
In some embodiments, where β satisfies: when beta is more than or equal to 0 DEG and less than 60 DEG or more than 120 DEG and less than or equal to 180 DEG, the first spacing M is more than or equal to the second spacing N. Each guide post 22 produces independent vortex street respectively near wake department to wake arc influences, thereby forms the vortex effect, and at this moment, when sweeping wind structure 1 and being applied to in air conditioner 100, air outlet 2a of air conditioner 100 shelters from the area big, and the air current disturbance effect is sufficient, and the air supply travelling comfort preferred.
That is, when β is 0 °, 5 °, 10 °, 15 °, 20 °, 25 °, 30 °, 35 °, 40 °, 45 °, 50 °, 55 °, 125 °, 130 °, 135 °, 140 °, 145 °, 150 °, 155 °, 160 °, 165 °, 170 °, 175 °, 180 °, or the like, the first pitch M is equal to or greater than the second pitch N.
As shown in fig. 8, the relative position relationship between the first wind guiding post 22A and the second wind guiding post 22B is shown when the wind sweeping blades 22 are at different positions, the first wind guiding post 22A and the second wind guiding post 22B are adjacent and are both located on the same wind sweeping blade 22, and when the wind sweeping blades move from the first position C to the third position E, β is 2 β and satisfies: beta is less than or equal to 60 degrees and less than or equal to 90 degrees, or beta is less than or equal to 90 degrees and less than or equal to 120 degrees; when the blade moves from the first position C to the fourth position F, beta 3 β and satisfies: when the angle is between 0 DEG and beta < 60 DEG or between 120 DEG and beta < 180 DEG, the first pitch M is equal to or greater than the second pitch N.
In some embodiments, there are n guide pillars 22, where n is a positive integer greater than 2, and the diameters of guide pillars 22 are defined as D 1 、D 2 ……D n Defining the distance between two adjacent flow guiding columns 22 as L 1 、L 2 ……L n-1 When the length of the wind sweeping blade 20 is defined as a and the wind sweeping blade 20 is located at the first position C, the length of the wind sweeping blade 20 is in the same direction as the first direction, which satisfies the following conditions:
Figure BDA0003817893060000051
for example, four guide columns 22 are provided, and the diameter of the first guide column 22 is D 1 The diameter of the second guide pillar 22 is D 2 The diameter of the third guide pillar 22 is D 3 The diameter of the fourth guide pillar 22 is D 4 The distance between the first guide pillar 22 and the second guide pillar 22 is L 1 The distance between the second guide pillar 22 and the third guide pillar 22 is L 2 The diameter between the third guide column 22 and the fourth guide column is L 3 Satisfies the following conditions: (D) 1 +D 2 +D 3 +D 4 )+(L 1 +L 2 +L 3 )≦A。
It can be understood that when the diameters of the guide columns 22 are all equal and are D, and the distance between any two adjacent guide columns 22 is all equal and is L, the following is satisfied: n × D + (n-1). Times.L ≦ A.
For example, when the number of the guide columns 22 is four, the diameters of the first guide column 22, the second guide column 22, the third guide column 22 and the fourth guide column 22 are all equal and are D, the distance between the first guide column 22 and the second guide column 22 is L, the distance between the second guide column 22 and the third guide column 22 is L, and the distance between the third guide column 22 and the fourth guide column 22 is L, the following requirements are satisfied: 4 XD +3 XL ≦ A.
When the diameters of the guide columns 22 are not completely equal, the distance between any two adjacent guide columns 22 is equal and is L, which satisfies the following conditions: (D) 1 +D 2 +……Dn)+(n-1)×L≦A。
For example, four guide columns 22 are provided, and the diameter of the first guide column 22 is D 1 The diameter of the second guide pillar 22 is D 2 The diameter of the third guide pillar 22 is D 3 The diameter of the fourth guide column 22 is D 4 The interval between the first guide column 22 and the second guide column 22 is L, the interval between the second guide column 22 and the third guide column 22 is L, and the interval between the third guide column 22 and the fourth guide column 22 is L, so that the following requirements are met: (D) 1 +D 2 +D 3 +D 4 )+3×L≦A。
When the diameters of the guide columns 22 are completely equal and D, and the distance between any two adjacent guide columns 22 is not completely equal, the following requirements are met: n × D + (L) 1 +L 2 +……L n-1 )≦A。
For example, there are four diversion columns 22, the diameters of the first diversion column 22, the second diversion column 22, the third diversion column 22 and the fourth diversion column 22 are all equal and D, and the distance between the first diversion column 22 and the second diversion column 22 is L 1 The distance between the second guide pillar 22 and the third guide pillar 22 is L 2 The distance between the third guide column 22 and the fourth guide column 22 is L 3 And satisfies the following conditions: 4 XD + (L) 1 +L 2 +L 3 )≦A。
In some embodiments, the wind sweeping structure 1 includes a driving mechanism, a transmission assembly and two connecting rods 30, the two connecting rods 30 include a first connecting rod 30 and a second connecting rod 30, a part of the wind sweeping blades 20 is connected with the first connecting rod 30, a part of the wind sweeping blades 20 is connected with the second connecting rod, the transmission assembly includes double-headed screws with opposite rotation directions, and the driving mechanism is respectively in transmission connection with the two connecting rods 30 through the transmission assembly to synchronously drive the two connecting rods 30 to move in opposite directions, so as to drive the two groups of wind sweeping blades 20 to respectively rotate towards opposite directions or opposite directions.
In some embodiments, the wind sweeping structure 1 includes a plurality of driving mechanisms and a plurality of transmission assemblies, each driving mechanism is in transmission connection with each wind sweeping blade 20 through the transmission assembly, so as to realize that the rotation of each wind sweeping blade 20 is individually controlled through the plurality of driving mechanisms, thereby forming different turbulence effects in different areas at the wind outlet 2a of the air conditioner 100.
The wind sweeping structure 1 according to an embodiment of the present invention further comprises a driving mechanism and a connecting rod 30.
The connecting rod 30 and the fixing plate 10 are respectively arranged on two sides of the width direction of the wind sweeping blades 20, the connecting rod 30 is connected with the wind sweeping blades 20, the wind sweeping blades 20 are provided with a first bayonet 24 and a second bayonet 25, the first bayonet 24 and the second bayonet 25 are respectively arranged on two sides of the width direction of the wind sweeping blades 20 and are simultaneously arranged on two sides of the length direction of the wind sweeping blades 20, the connecting rod 30 is provided with a plurality of first clamping columns 31, the fixing plate 10 is provided with a plurality of second clamping columns 11, the first clamping columns 31 are clamped with the first bayonet 24 and are in one-to-one correspondence, and the second clamping columns 11 are clamped with the second bayonet 25 and are in one-to-one correspondence; the driving mechanism is in driving connection with the connecting rod 30 to drive the connecting rod 30 to move.
That is to say, the driving mechanism drives the connecting rod 30 to move, and the connecting rod 30 moves to drive the plurality of wind sweeping blades 20 to synchronously rotate, so that the driving mechanism drives the plurality of wind sweeping blades 20 to synchronously rotate, and the cost is saved.
In the above-described embodiments, the drive mechanisms each include a motor.
As shown in fig. 6, the first clamping column 31 and the second clamping column 11 have the same structure, the first clamping column 31 and the second clamping column 11 both include two upright posts 312 arranged at opposite intervals, the free end of the upright post 312 is provided with a mushroom head 314 having a diameter larger than that of the upright post 312, the first bayonet 24 and the second bayonet 25 have the same structure, so that when the first clamping column 31 is clamped into the first bayonet 24, the two upright posts 312 can be elastically deformed to be close to each other, so that the outer diameter formed by the two mushroom heads 314 can be smaller than the inner diameter of the first bayonet 24, after the first clamping column 31 is clamped into the first bayonet 24, the two upright posts 312 are restored to be original, the two mushroom heads 314 are driven to be away from each other, and the outer diameter formed by the two mushroom heads 314 can be larger than the inner diameter of the first bayonet 24.
Similarly, when going into second bayonet socket 25 with second joint post 11 card, two stands 312 can produce elastic deformation and be close to each other to make the common external diameter that forms of two mushroom heads 314 can be less than the internal diameter of second bayonet socket 25, after second joint post 11 card goes into second bayonet socket 25, two stands 312 reconversion drive two mushroom heads 314 and keep away from each other, thereby make the common external diameter that forms of two mushroom heads 314 can be greater than the internal diameter of second bayonet socket 25.
In addition, as shown in fig. 7, the first bayonet 24 and the second bayonet 25 are respectively located at both sides of the width direction of the wind sweeping blade 20 and at both sides of the length direction of the wind sweeping blade 20, so that the movement of the wind sweeping blade 20 is more stable, and the wind sweeping blade 20 is prevented from generating resonance vibration when the air flow passes through to generate noise.
In some embodiments, the sweeping blade 20 further includes a sub-blade 23, the sub-blade 23 and the guiding column 22 are located in the same row and are spaced, the sub-blade 23 is located at one end of the sweeping blade 20, which is far away from the second clamping column 11, and a profile of one side of the sub-blade 23, which is far away from the guiding column 22, is configured into a fan shape, so that tail end airflow formed by each guiding column 22 can be better guided, and an air supply distance is increased.
As shown in fig. 7, the sub-blades 23 are integrally formed with the guide pillars 22 located at the ends, so as to further guide the tail end airflow formed by each guide pillar 22 and increase the air supply distance.
As shown in fig. 1, an air conditioner 100 according to an embodiment of the present invention includes a cabinet 2 and the above-described wind sweeping structure 1.
Wherein, a fan is arranged in the casing 2, and an air outlet 2a is formed on the casing 2; the air sweeping structure 1 is arranged on the casing 2 to completely open or at least partially shield the air outlet 2a, so that the air sweeping structure 1 is prevented from shielding the air duct, and the air volume of the air outlet 2a of the air conditioner 100 is not affected when the air sweeping blades 20 sweep air.
According to the air conditioner 100 of the embodiment of the invention, the airflow can flow out from the gap between the adjacent guide columns 22, based on the principle of cylindrical flow winding, when the airflow flows through the guide columns 22 at a certain speed, a kalman vortex street is formed at the wake of the guide columns 22, so that the airflow disturbance effect is realized, and the angles of the wind sweeping blades 20 in different air supply modes are different, so that the component of the distance between the adjacent guide columns 22 in the first direction is different, the problem of parallel/serial multi-cylindrical flow winding is converted, the airflow wake fluctuation is adjusted, and different air supply effects are achieved while the air quantity is ensured.
In some embodiments, the air conditioner 100 further includes a wind deflector disposed on the casing 2 to completely open or completely shield the wind outlet 2a, and the wind deflector is located on a side of the wind sweeping structure 1 away from the fan. The air deflector may be located at a front side of the air outlet 2a, where a direction of the air conditioner 100 facing the user is defined as "front", and conversely, a direction away from the user is "rear", when the air conditioner 100 operates, the air deflector opens the air outlet 2a, the air flow may be sent out through the air outlet 2a to adjust the indoor temperature, and when the air conditioner 100 stops operating, the air deflector closes the air outlet 2a to prevent external dust, impurities, insects, and the like from entering the air conditioner.
As shown in fig. 12, the control method according to the embodiment of the present invention includes:
s1: receiving an instruction;
s2: controlling the air conditioner 100 to be in a corresponding mode according to the received instruction, and controlling the wind sweeping blades 20 of the air conditioner 100 to rotate from the current position to the first position C at an included angle beta when receiving the first instruction 1 Position of angle, beta 1 =90 °, and when receiving the second instruction, controlling the wind sweeping blade 20 of the air conditioner 100 to rotate from the current position to the first position C with an included angle β 2 Angular position, 60 ° ≦ β 2 < 90 DEG or 90 DEG < beta 2 ≦ 120 °, when receiving the third command, controlling the sweeping blade 20 of the air conditioner 100 to rotate from the current position to the first position C at an angle β 3 Angular position, 0 ° ≦ β 3 < 60 DEG or 120 DEG < beta 3 ≦180°。
Specifically, according to the first command, as shown in fig. 9, β 1 When the angle is not less than 90 degrees, the shielding effect of the air flow by the air sweeping blades 20 is minimum, the air flow flowing through the gaps between the adjacent guide columns 22 of the air sweeping blades 20 is minimum, the air volume is maximum, the wind sensation is strongest, and the effect of rapid cooling and heating can be realized.
According to the second instruction, as shown in FIG. 11, β 2 Satisfies the following conditions: 60 DEG ≦ beta 2 < 90 DEG or 90 DEG < beta 2 At angle less than or equal to 120 °, the airflow continuously flows through the second diversion column 22 after flowing through the first diversion column 22, continuously flows through the third diversion column 22, and so on, and is converted into a problem of a plurality of cylindrical streams in series, that is, the second diversion column 22 has an incoming flow velocity in the third direction and an incoming flow velocity of a wake vortex street from the first diversion column 22, and so on, when the airflow reaches the diversion column 22 at the farthest end, farther air supply can be realized, and the airflow is softer.
According to the third instruction, as shown in FIG. 10, β 3 Satisfies the following conditions: 0 DEG ≦ beta 3 < 60 DEG or 120 DEG < beta 3 ≦ 180 °, each guide post 22 generates independent vortex street near the wake, and the wake is arc-shaped, thereby forming a turbulent flow effect, at this time, when the wind sweeping structure 1 is applied to the air conditioner 100, the shielding area of the air outlet 2a of the air conditioner 100 is large, the air flow disturbance effect is sufficient, and the air supply comfort is good.
According to the control method provided by the embodiment of the invention, the angles of the wind sweeping blades 20 can be adjusted according to different received instructions input by a user, so that the component of the distance between the adjacent guide columns 22 in the first direction is different, the parallel/serial multi-cylinder bypass problem can be converted, the airflow wake fluctuation can be adjusted, and different air supply effects can be achieved while the air quantity is guaranteed.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Claims (10)

1. A wind sweeping structure, comprising:
a fixed plate extending in a first direction;
a plurality of wind-sweeping blades rotatably provided on the fixed plate, the plurality of wind-sweeping blades being disposed at intervals along the first direction, wherein,
the wind sweeping blade comprises a blade framework and at least two spaced guide columns arranged on the blade framework, the guide columns extend along the second direction, the guide columns are cylindrical, and the first direction is perpendicular to the second direction.
2. The structure of claim 1, wherein the sweeping blade has a first position and a second position, the sweeping blade is reciprocally rotatable between the first position and the second position, an extending direction of the sweeping blade is parallel to an extending direction of the fixing plate in the first position, and an included angle formed by rotation of the sweeping blade from the first position to the second position is a, and a satisfies 30 ° ≦ a ≦ 180 °.
3. The scavenger structure of claim 2, wherein a =180 °, the scavenger blade further having a third position, the angle β subtended by rotation of the scavenger blade from the first position to the third position being such that β satisfies: when the angle beta is greater than or equal to 60 degrees and less than or equal to 90 degrees or greater than 90 degrees and less than or equal to 120 degrees, the distance component between two adjacent guide columns in the first direction is a first distance, the distance component in the third direction is a second distance, the first distance is smaller than or equal to the second distance, and the first direction, the second direction and the third direction are perpendicular to each other.
4. A wind sweeping structure according to claim 3, wherein: the first pitch is equal to or greater than the second pitch when 0 DEG beta < 60 DEG or 120 DEG beta < 180 deg.
5. According to the claimSolving 4 the wind sweeping structure is characterized in that the number of the flow guide columns is n, n is a positive integer greater than 2, and the diameters of the flow guide columns are defined as D 1 、D 2 ……D n Defining the distance between two adjacent guide columns as L 1 、L 2 ……L n-1 And defining the length of the wind sweeping blade to be A, and when the wind sweeping blade is positioned at a first position, the length of the wind sweeping blade is in the same direction as the first direction, so that the following requirements are met:
Figure FDA0003817893050000011
6. the wind sweeping structure of claim 1, further comprising:
the connecting rod and the fixing plate are respectively arranged on two sides of the width direction of the wind sweeping blade, the connecting rod is connected with the wind sweeping blades, a first bayonet and a second bayonet are arranged on the wind sweeping blade, the first bayonet and the second bayonet are respectively located on two sides of the width direction of the wind sweeping blade and are simultaneously located on two sides of the length direction of the wind sweeping blade, a plurality of first clamping columns are arranged on the connecting rod, a plurality of second clamping columns are arranged on the fixing plate, the first clamping columns are clamped with the first bayonet and are in one-to-one correspondence with the first bayonet, and the second clamping columns are clamped with the second bayonet and are in one-to-one correspondence with the second bayonet;
the driving mechanism is in transmission connection with the connecting rod so as to drive the connecting rod to move.
7. The wind sweeping structure of claim 6, wherein the wind sweeping blade further comprises a sub-blade, the sub-blade and the guide pillar are in the same row and are arranged at intervals, the sub-blade is located at one end of the wind sweeping blade far away from the second clamping pillar, and the profile of one side of the sub-blade far away from the guide pillar is in a fan shape.
8. An air conditioner, comprising:
the fan is arranged in the machine shell, and an air outlet is formed in the machine shell;
a wind-sweeping structure according to any one of claims 1 to 7, arranged on the casing to fully open or at least partially shield the outlet.
9. The air conditioner of claim 8, further comprising:
the air guide plate is arranged on the shell to completely open or completely shield the air outlet, and is positioned on one side of the air sweeping structure, which is far away from the fan.
10. A control method, comprising:
receiving an instruction;
controlling the air conditioner to be in a corresponding mode according to the received instruction,
when a first instruction is received, the wind sweeping blade of the air conditioner is controlled to rotate from the current position to the first position, and the included angle between the wind sweeping blade and the first position is beta 1 Position of angle, beta 1 ＝90°，
When a second instruction is received, the wind sweeping blade of the air conditioner is controlled to rotate from the current position to the first position to form an included angle beta 2 Angular position, 60 ° ≦ β 2 < 90 DEG or 90 DEG < beta 2 ≦120°，
When a third instruction is received, the wind sweeping blade of the air conditioner is controlled to rotate from the current position to the first position, and the included angle between the wind sweeping blade and the first position is beta 3 Angular position, 0 ° ≦ β 3 < 60 DEG or 120 DEG < beta 3 ≦180°。
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