CN114593510A - Control method and device for preventing direct blowing of air conditioner and air conditioner - Google Patents

Control method and device for preventing direct blowing of air conditioner and air conditioner Download PDF

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Publication number
CN114593510A
CN114593510A CN202111429698.5A CN202111429698A CN114593510A CN 114593510 A CN114593510 A CN 114593510A CN 202111429698 A CN202111429698 A CN 202111429698A CN 114593510 A CN114593510 A CN 114593510A
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CN
China
Prior art keywords
air deflector
air
driving mechanism
connecting rod
deflector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202111429698.5A
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Chinese (zh)
Other versions
CN114593510B (en
Inventor
郝建领
陈运东
张晓�
林金涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Qingdao Haier Air Conditioner Gen Corp Ltd, Qingdao Haier Air Conditioning Electric Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CN202111429698.5A priority Critical patent/CN114593510B/en
Publication of CN114593510A publication Critical patent/CN114593510A/en
Application granted granted Critical
Publication of CN114593510B publication Critical patent/CN114593510B/en
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Classifications

    • 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
    • F24F13/12—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of sliding members
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2120/00—Control inputs relating to users or occupants
    • F24F2120/10—Occupancy
    • F24F2120/12—Position of occupants
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The application relates to the technical field of intelligent home furnishing, and discloses a control method for preventing direct blowing of an air conditioner, wherein an indoor unit of the air conditioner comprises an air deflector and a motion assembly connected with the air deflector; the motion assembly comprises a track plate; one end of the first connecting rod is connected with the first driving mechanism, and the other end of the first connecting rod is rotationally connected with the air deflector and is driven by the second driving mechanism to rotate; one end of the second connecting rod is connected with the track plate in a sliding mode, and the other end of the second connecting rod is connected with the air guide plate in a rotating mode; the method comprises the following steps: determining that the air conditioner executes a direct blowing prevention mode; determining the target pose of the air deflector according to the position of the user; and controlling the movement of the first driving mechanism and the second driving mechanism according to the target pose of the air deflector so as to adjust the air outlet area to avoid the position of the user. The method controls the first driving mechanism and the second driving mechanism to adjust the movement track of the air deflector, so that the adjustment of the air deflection angle of the air deflector is realized, and the direct blowing prevention is further realized. The application also discloses a controlling means and air conditioner that is used for air conditioner anti-blow directly.

Description

Control method and device for preventing direct blowing of air conditioner and air conditioner
Technical Field
The application relates to the technical field of smart home, for example, to a control method and device for preventing direct blowing of an air conditioner and the air conditioner.
Background
At present, the existing air conditioner products in the market are fixedly provided with a movement route of an air deflector before leaving a factory. That is, the movement route of the air deflector is established and cannot be adjusted according to the requirements of users after being delivered from a factory. This results in the opening angle of the air deflector being non-adjustable.
In the related art, an air deflector movement mechanism is disclosed, which is hinged to a rotation center of an air deflector, and is used for pushing a first pushing component of the air deflector to move in a telescopic manner, and a first driving device for driving the first pushing component to move; the second pushing component is hinged with the non-rotating center part of the air deflector and used for pushing the air deflector to rotate, and the second driving device drives the second driving component to operate.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:
in the related art, although two pushing components are adopted, the telescopic rotation motion of the air deflector is realized. However, how to adjust the movement locus of the air deflector by using two pushing components to realize the adjustment of the air deflector is not disclosed, so that the air conditioner is prevented from blowing people.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended to be a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a control method and device for preventing direct blowing of an air conditioner and the air conditioner, which are used for adjusting the movement track of an air deflector, so that the air deflector can be adjusted, and the direct blowing prevention of the air conditioner is realized.
In some embodiments, the indoor unit of the air conditioner comprises an air deflector and a moving assembly connected with the air deflector; the motion assembly comprises a first connecting rod, a second connecting rod, a track plate, a first driving mechanism and a second driving mechanism; one end of the first connecting rod is connected with the first driving mechanism so that the first connecting rod slides along the track plate to drive the air guide plate to extend out, and the other end of the first connecting rod is rotatably connected with the air guide plate and is driven by the second driving mechanism to rotate; one end of the second connecting rod is connected with the track plate in a sliding mode, and the other end of the second connecting rod is connected with the air deflector in a rotating mode and provides support for the rotation of the air deflector; the method comprises the following steps: determining that the air conditioner executes a direct blowing prevention mode; determining the target pose of the air deflector according to the position of the user; and controlling the movement of the first driving mechanism and the second driving mechanism according to the target pose of the air deflector so as to adjust the air outlet area to avoid the position of the user.
In some embodiments, the apparatus comprises: a processor and a memory storing program instructions, the processor being configured to execute the control method for air conditioning anti-blow-through as described above when executing the program instructions.
In some embodiments, the air conditioner includes: indoor set, its indoor set includes: the air deflector is connected with the moving assembly; the motion assembly includes: a track plate; one end of the first connecting rod is connected with the first driving mechanism so as to enable the first connecting rod to slide along the track plate, and the other end of the first connecting rod is rotationally connected with the air guide plate and driven by the second driving mechanism to rotate; one end of the second connecting rod is connected with the track plate in a sliding mode, and the other end of the second connecting rod is connected with the air deflector in a rotating mode and provides support for the rotation of the air deflector; and the control device for preventing the air conditioner from directly blowing.
The control method and device for preventing direct blowing of the air conditioner and the air conditioner provided by the embodiment of the disclosure can realize the following technical effects:
and under the mode that the air conditioner is determined to execute the anti-direct-blowing mode, the target pose of the air deflector is determined by combining the specific position of the user. And controlling the first driving mechanism and the second driving mechanism to act together to enable the air deflector to move to a target pose. The air deflector guides air at the target pose, so that the air outlet area of the air deflector avoids the position of a user. Therefore, the adjustment of the air guide angle of the air guide plate is realized by adjusting the motion track of the air guide plate, and the direct blowing prevention is further realized.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:
FIG. 1 is a schematic view of a kinematic assembly of an air deflection plate according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of the movable assembly of one embodiment of the present disclosure in an upward opening position;
fig. 3 is a schematic structural view of a track plate in a moving assembly of an air deflector according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of a control method for preventing blow-through of an air conditioner according to an embodiment of the disclosure;
fig. 5 is a schematic diagram of a method for controlling the movement of the first driving mechanism and the second driving mechanism according to the target pose of the air deflector in the control method provided by the embodiment of the disclosure;
fig. 6 is a schematic diagram of a method for determining a first rotation angle α of a first driving mechanism and a second rotation angle β of a second driving mechanism in a control method provided by an embodiment of the present disclosure;
FIG. 7 is a simplified schematic view of a moving assembly of one air deflection plate in accordance with an embodiment of the present disclosure;
FIG. 8 is a simplified schematic view of a motion assembly of another air deflection plate in accordance with an embodiment of the present disclosure;
fig. 9 is a schematic diagram of a control device for preventing blow-through of an air conditioner according to an embodiment of the disclosure.
Reference numerals:
10: a crank; 20: a first link; 21: a through groove; 30: a second link; 40: a track plate; 41: a first linear track; 42: a second linear track; 43: a third linear track; 50: an air deflector; 70: a first motor; 80: a second motor.
Detailed Description
So that the manner in which the features and advantages of the embodiments of the present disclosure can be understood in detail, a more particular description of the embodiments of the disclosure, briefly summarized above, may be had by reference to the appended drawings, which are included to illustrate, but are not intended to limit the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The term "plurality" means two or more unless otherwise specified.
In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
The term "correspond" may refer to an association or binding relationship, and a corresponds to B refers to an association or binding relationship between a and B.
With reference to fig. 1-3, the indoor unit of the air conditioner includes an air deflector 50 and a moving assembly connected to the air deflector; the motion assembly comprises a first connecting rod 20, a second connecting rod 30, a track plate 40, a first driving mechanism and a second driving mechanism; one end of the first connecting rod 20 is connected with the first driving mechanism, so that the first connecting rod 20 slides along the track plate 40 to drive the air deflector 50 to extend out, and the other end of the first connecting rod 20 is rotatably connected with the air deflector 50 and is driven by the second driving mechanism to rotate; one end of the second connecting rod 30 is slidably connected with the track plate 40, and the other end of the second connecting rod 30 is rotatably connected with the air deflector 50, namely, a hinge point is arranged between the second connecting rod 30 and the air deflector, so that support can be provided for the rotation of the air deflector 50; the rail plate 40 is provided with a linear rail to limit the movement of the second link 30 and the extension of the first link 20.
The movement process of the wind deflector 50 can be understood as follows: one end of the first connecting rod 20 drives the air deflector 50 to extend out under the action of the first driving mechanism, and one end of the second connecting rod 30 is rotatably connected with the air deflector 50, so that under the action of the first driving mechanism, the second connecting rod 30 and the first connecting rod 20 synchronously move along a linear track to drive the air deflector 50 to extend out of the air conditioner. The other end of the first connecting rod 20 can drive the air deflector 50 to rotate under the action of the second driving mechanism, and in the rotating process of the air deflector 50, the second connecting rod 30 always moves along a linear track to provide support for the rotation of the air deflector 50. Then, the second connecting rod 30 continues to move in the linear track, the other end of the first connecting rod 20 starts to rotate under the action of the second driving mechanism, and the first connecting rod 20 and the second connecting rod 30 generate relative movement, so as to drive the air deflector 50 to rotate while extending out.
Optionally, the first drive mechanism comprises a crank 10 and a first motor 70. A transmission shaft is arranged at the free end of the crank 10, the first link 20 is provided with a linear through groove 21, and the transmission shaft is slidably connected with the through groove 21 of the first link 20 so that the first link 20 drives the air deflector 50 to extend. The first motor 70 drives the crank 10 to rotate in the first direction or the second direction, thereby providing the first link 20 with an extending pushing force. The second driving mechanism comprises a second motor 80, and the second motor 80 is in driving connection with the other end of the first connecting rod 20; in the process that the air deflector 50 extends to the first preset position, the first driving mechanism drives the air deflector 50 to extend; after the air deflector 50 reaches the first preset position, the first driving mechanism continues to drive the air deflector 50 to extend, and the second driving mechanism drives the first connecting rod 20 to rotate, so as to drive the air deflector 50 to extend and rotate.
Alternatively, a linear track of the track plate 40 is used to limit the movement of the second link 30 and the extension of the first link 20, and the linear track is disposed in the same direction as the air deflector 50 is translated to the first preset position. The number of the linear tracks is multiple. The first link 20 is provided with a first sliding column sliding in the linear track. The second connecting rod 30 includes a through slide which is arranged along the extending direction of the air deflector 50 and penetrates through the plate surface of the second connecting rod 30, so that the first sliding column passes through the through slide and moves along a linear track.
Optionally, the track plate 40 comprises a first linear track 41, a second linear track 42 and a third linear track 43. The first sliding column is arranged in the linear track in a sliding mode. The second connecting rod 30 is provided with a limiting portion including three sliding columns, i.e., a second sliding column, a third sliding column, and a fourth sliding column. The second sliding column is slidably disposed on the second linear rail 42, the third sliding column is slidably disposed on the first linear rail 41, and the fourth sliding column is slidably disposed on the third linear rail 43.
With reference to fig. 4, an embodiment of the present disclosure provides a control method for preventing blow-through of an air conditioner, including:
s01, the processor determines that the air conditioner performs the anti-blow-through mode.
Here, there are various ways in which the processor determines that the air conditioner performs the anti-blow-through mode. The processor may receive a direct blowing prevention instruction issued by a user; for example, the user controls the air conditioner to perform the blow-through prevention mode through voice. Or, the air conditioner defaults to execute the direct blowing prevention mode when in the cooling mode. When the processor detects that the air conditioner is in the cooling mode, the processor can determine that the air conditioner executes the direct blowing prevention mode.
And S02, the processor determines the target pose of the air deflector according to the position of the user.
In the embodiment of the disclosure, the air conditioner operates in the direct blowing prevention mode, so that the position of the user needs to be determined. Here, a sensor may be installed on a front panel of the air conditioner to monitor an indoor user. Alternatively, the sensor is installed in the indoor environment where the air conditioner is located. The position of the user is detected through the sensor, and the target pose of the air deflector is determined through the position of the user. Here, the target pose of the air deflector refers to the target position and the target overturning angle of the air deflector. Wherein the target flip angle is dependent on the combined action of the first and second drive mechanisms. The target position refers to the position of the air deflector when a user is not in the air outlet area of the air deflector. It can be understood that the air deflector can only guide the air to adjust the indoor temperature. Therefore, the air deflector is always positioned outside the outer contour of the air-conditioning casing during the anti-blow-through adjustment.
And S03, controlling the first driving mechanism and the second driving mechanism to move by the processor according to the target pose of the air deflector, and adjusting the air outlet direction of the air deflector so as to enable the air outlet direction to avoid the position of the user.
After the target pose of the air deflector is determined, the first driving mechanism and the second driving mechanism are controlled to move, and the air deflector is adjusted to the target pose. Specifically, the pose of the air deflector has a corresponding relation with the rotation angles of the first driving mechanism and the second driving mechanism. Based on the position of the air deflection plates, the rotational angles of the first and second drive mechanisms can be determined. Therefore, after the first driving mechanism and the second driving mechanism are controlled to execute according to the rotating angles, the air deflector can be adjusted to the target pose. And further avoid the position of the user, realize preventing the blow-through.
By adopting the control method for preventing the air conditioner from directly blowing provided by the embodiment of the disclosure, the target pose of the air deflector is determined by combining the specific position of the user. And controlling the first driving mechanism and the second driving mechanism to act together to enable the air deflector to move to a target pose. The air deflector guides air at the target pose, so that the air outlet area of the air conditioner is kept away from the position of a user. Therefore, the air outlet area is adjusted by adjusting the motion track of the air guide plate, and the direct blowing prevention is further realized.
Alternatively, in step S01, the processor determines that the air conditioner performs the anti-blow-through mode, including:
the processor receives a direct blowing prevention control instruction; or, in the case that the air conditioner operates in the preset operation mode, the processor determines that the user exists in the wind area.
In the embodiment of the disclosure, there are two types of modes for triggering the air conditioner to execute the direct blowing prevention mode. One is that the user actively triggers, that is, the user issues a direct blowing prevention instruction through the control terminal. The other is passive triggering, namely, under the condition that the air conditioner runs in a user preset working mode, a user is detected in an air outlet area of the air deflector. In order to avoid the direct blowing of the air conditioner, particularly in the cooling or dehumidifying mode of the air conditioner. Therefore, in this case, the air conditioner may trigger the blow-through prevention mode when a user is present in the air-out area. Therefore, the running mode of the air conditioner can be automatically triggered under the condition that the user does not like direct blowing and does not actively set the direct blowing prevention mode.
Optionally, in step S01, the processor determines that there is a user in the wind area, including:
the processor obtains a current position of the air deflection plate and a position of the user.
The processor determines that the user exists in the wind area under the condition that the processor is in an air-conditioning refrigeration mode and the position of the user is above the current position of the air deflector; or determining that the user exists in the wind area under the condition that the position of the user is below the current position of the air deflector in the air-conditioning heating mode.
Here, the air outlet area of the air guide plate is different because the air guide plate is turned in different directions in the cooling and heating modes. In the refrigeration mode, the air outlet area of the air deflector takes the air deflector as the lower air outlet limit, and the area above the air deflector is the air outlet area. In the heating mode, the air outlet area of the air deflector takes the air deflector as the upper air outlet limit, and the area below the air deflector is the air outlet area. And then, after the current position and the user position of the air deflector are obtained, the up-down relation between the user position and the air deflector is judged. Specifically, in the refrigeration mode, if the user position is above the surface where the air guide plate is located, it is determined that the user is located in the air outlet area. In the heating mode, if the user position is below the surface where the air guide plate is located, it is determined that the user is located in the air outlet area.
In some embodiments, the user position and the air deflection position may be converted to points and lines in a coordinate system. The longitudinal section of the air deflector can be approximated to a straight line, the linear equation Ax + By + c is 0 in the coordinate system, and the user position is a point coordinate (x)Household，yHousehold). And substituting the X point coordinate of the user into the air deflector linear equation, and if the obtained Y point coordinate is greater than zero, indicating that the point coordinate of the user position is below the air deflector linear equation. And if the obtained Y point coordinate is less than zero, indicating that the point coordinate of the user position is above the straight line of the air deflector. In addition, the air deflector is approximately in a straight line in the cooling mode, which is a straight line from the center point of the longitudinal section of the air deflector to the upper end point of the air deflector. The coordinate point of the user here refers to the coordinate point of the user's head; alternatively, the center of gravity point of the user may be taken as its coordinate point.
Therefore, whether a user exists in the air outlet area of the current air deflector can be determined through the position relation; and then determines whether the anti-blowthrough mode needs to be triggered.
Optionally, in step S02, the processor determines the target pose of the air deflector according to the position of the user, including:
the processor establishes a global coordinate system by taking the driving center of the first driving mechanism as an origin and the plane where the first driving mechanism is located as a reference plane.
The processor determines a global target position of the air deflector based on the coordinates of the user; the global target position of the air deflector comprises global target positions of the air deflector at the upper end point and the lower end point of the reference surface.
In the embodiment of the disclosure, the target pose of the air deflector comprises a target position and a target pose. The target posture refers to a turning angle of the air deflector from an initial state to a target position; the flip angle is determined by the combined action of the rotation angles of the first and second drive mechanisms. The control targets of the present solution are the first drive mechanism and the second drive mechanism, and therefore, it is not considered here how the flip angle is obtained. The position of a user, the air deflector, the first driving mechanism and the second driving mechanism are all thrown and moved to a plane where the first driving mechanism is located, and a two-dimensional global coordinate system is established based on the driving center of the first driving mechanism as an origin. Taking the head of the user as a center, and casting and moving the head to the global coordinate system to form a point. Similarly, because the air deflector main body is basically vertical to the first driving mechanism, the air deflector main body is a curve after being projected by the global coordinate system and can be approximate to a straight line. If the coordinates of the user are known, the limit position of the air deflector can be determined and used as the target position based on the judgment of the position relationship between the coordinates of the user and the air deflector. Here, the position of the air deflector when the user coordinates are on the approximate straight line of the air deflector may be taken as the limit position. In this way, the target position of the air deflector in the global coordinate system can be determined. Specifically, after the target position of the upper end point of the air deflector is determined, the target position of the lower end point can be derived based on the known size of the air deflector.
Alternatively, as shown in fig. 5, in step S03, the processor controls the movement of the first driving mechanism and the second driving mechanism according to the target pose of the wind deflector, including:
and S31, the processor determines a first rotation angle alpha of the first driving mechanism and a second rotation angle beta of the second driving mechanism according to the first corresponding relation between the target position of the air deflector and the movement angles of the first driving mechanism and the second driving mechanism.
And S32, the processor controls the first driving mechanism and the second driving mechanism to rotate by the angles alpha and beta respectively.
In the embodiment of the present disclosure, the first driving mechanism includes a crank, a first connecting rod and a second connecting rod, and the specific positions and connection relationships can be referred to above. Wherein the effective length of the crank, the effective length of the second connecting rod, and the effective length of the first connecting rod are known. In the global coordinate system, based on the coordinates of the upper and lower end points of the air deflector and known parameters, the relational expression between the first rotation angle alpha and the second rotation angle beta and the upper and lower end points of the air deflector can be calculated. Further, the rotation angle can be reversely estimated. Therefore, the first driving mechanism and the second driving mechanism are controlled to respectively operate corresponding rotating angles, and the air deflector can be adjusted to a target position. And finally, the direct blowing prevention of the air conditioner is realized.
Alternatively, as shown in fig. 6, in step S31, the processor determines a first rotation angle α of the first driving mechanism and a second rotation angle β of the second driving mechanism according to a first corresponding relationship between the target position of the air deflector and the movement angles of the first driving mechanism and the second driving mechanism; the method comprises the following steps:
and S311, the processor establishes a local coordinate system with the direction consistent with that of the global coordinate system by taking the overturning center of the air deflector as an origin.
S312, the processor determines the local target positions of the upper end point and the lower end point of the air deflector in the local coordinate system.
And S313, determining the target position of the turning center of the air deflector by the processor according to the global target position and the local target position.
And S314, the processor determines the first rotation angle alpha of the first driving mechanism and the second rotation angle beta of the second driving mechanism according to the second corresponding relation between the target position of the turning center of the air deflector and the first rotation angle alpha and the second rotation angle beta.
In the embodiment of the present disclosure, the turning angle of the air guiding plate is a result of the combined action of the rotation angles of the first driving mechanism and the second driving mechanism. Therefore, when the first rotation angle and the second rotation angle are calculated, the calculation needs to be performed based on the turning angle of the air deflector. In a local coordinate system, the air deflector only has overturning action and does not need telescopic motion. Therefore, a local target position based on the turning angle of the air deflector can be obtained in the local coordinate system.
Specifically, a local coordinate system is established, and the coordinate axis direction of the local coordinate system is consistent with the coordinate axis direction of the global coordinate system. And calculating the coordinates of the upper end point and the lower end point of the air deflector in the local coordinate system, namely the local target position, based on the parameters of the turning angle of the air deflector, the size of the air deflector, the distance between the turning center of the air deflector and the like. And the coordinates of the overturning center of the air deflector can be calculated by combining the coordinates of the two end points of the air deflector in the global coordinate system and the local coordinate system. The coordinate point of the turning center of the air deflector has a second corresponding relation with the first rotating angle and the second rotating angle; after the coordinate point of the turning center is obtained, the first rotation angle and the second rotation angle can be reversely deduced according to the second corresponding relation.
Optionally, in step S312, determining local target positions of the upper and lower end points of the air deflector in the local coordinate system includes:
the processor obtains the included angle between the upper end point and the lower end point of the air deflector and the overturning center of the air deflector.
And the processor calculates the positions of the upper and lower end points of the air deflector after rotating by the third rotation angle theta, and determines the calculation result as the local target positions of the upper and lower end points of the air deflector in the local coordinate system.
The third rotation angle theta is the rotation angle of the air deflector adjusted from the initial position to the target position.
In the embodiment of the disclosure, the air deflector moves from the initial state to the target position, and the second driving mechanism is used as a reference object, so that the air deflector only rotates angularly. Here, the angle θ of rotation of the air guide plate about the inversion center corresponds to the second rotation angle β of the second driving mechanism. Therefore, under the condition that the size of the air deflector and the included angle between the upper end point and the lower end point of the air deflector and the overturning center of the air deflector are known, the target positions of the upper end point and the lower end point of the air deflector related to the size of the air deflector and the second rotating angle can be calculated in the local coordinate system. Therefore, the calculation result is substituted into the global coordinate system of the upper end point and the lower end point of the air deflector, and the second corresponding relation of the turning center of the air deflector and the first rotation angle alpha and the second rotation angle beta can be obtained. The first rotation angle α and the second rotation angle β can then be derived back-calculated based on the known parameters. Thereby controlling the second driving mechanism and the first driving mechanism to operate and realizing the adjustment of the air deflector.
Optionally, in step S313, the processor determines the target position of the turning center of the air deflector according to the global target position and the local target position, including:
the processor calculates the difference value of the global target position and the local target position; and determining the difference value as the target position of the overturning center of the air deflector.
In the embodiment of the disclosure, the global target positions of the upper end point and the lower end point of the air deflector are known parameters determined based on the user position. In the global coordinate system, the target positions of the upper and lower end points of the air deflector can also be a relational expression between the target position of the overturning center of the air deflector and the local target positions of the upper and lower end points of the air deflector in the local coordinate system. Therefore, the target position of the overturning center of the air deflector can be obtained based on the whole target position and the local target position of the upper end point and the lower end point of the air deflector. Specifically, the difference between the global target position and the local target position of the upper end point and the lower end point of the air deflector can be calculated, and the target position of the overturning center of the air deflector can be obtained. And under the condition that the effective length of the crank, the effective length of the second connecting rod and the effective length of the first connecting rod are known and the target position of the air deflector in the turning process is determined, the first rotating angle alpha and the second rotating angle beta can be calculated. And then adjust the aviation baffle to the target location, realize the anti-blow-through of air conditioner.
In practical applications, as shown in figure 7 or figure 8,
in the drawing, a coordinate system X0Y is a global coordinate system, a coordinate system X ' 0Y ' is a local coordinate system, a point a is a rotation center of the first driving mechanism, a point B is a rotation center of the second driving mechanism, a point P is a position of a user, a point C is a connection point of the first link 20 passing through the straight track of the second link 30 and penetrating through the slideway and the track plate, a point D is a rotation center of the air deflector, i.e. a hinge point of the second link 30 and the air deflector 50, E ' is a center point of the air deflector, AA ' represents an effective length of the crank, BC ' represents an effective length of the first link, CD represents an effective length of the second link, EF represents the air deflector, a first rotation angle α is a rotation angle of the first driving mechanism, a second rotation angle β is a rotation angle of the second driving mechanism, a third rotation angle θ is an air deflector rotation angle, δ is an angle of the first link rotation, λ 1 is an included angle between an upper end point of the air deflector and the rotation center of the air deflector, lambda 2 is an included angle between the lower end point of the air deflector and the rotation center of the air deflector; gamma is the air outlet angle of the air deflector.
In the global coordinate system, the rotation center D of the air deflector has coordinates of (| AA ' | cos α - | CC ' | sin δ | tan δ - | CC ' | cos δ - | CD |,0),
wherein the content of the first and second substances,
Figure BDA0003379786650000101
the abscissa Ex of the point E on the air deflector is
-|AA'|*cosα-|CC'|*sinδ*tanδ-|CC'|*cosδ-|CD|+EX'Similarly, the abscissa Fx of the lower end point F is | AA ' | cos α | CC ' | sin δ | tan δ | CC ' | cos δ | CD | + FX'. Here, EX’Refers to the abscissa, F, of the upper end point E of the air deflector in a local coordinate systemX’Refers to the abscissa of the lower end point F of the air deflector in the local coordinate system. In addition, the air deflector overturning angle theta is equal to beta-delta.
In a local coordinate system, the abscissa E of the point E of the end point on the air deflectorX’is-DE |. cos (lambda 1+ beta), and the abscissa F of the lower endpoint FX’Is | cos (λ 2- β). Similarly, the ordinate E of the point E can also be calculatedY’is-DE (lambda 1+ beta), the ordinate F of the F pointY’Is- | DF | sin (lambda 2-beta).
After the coordinates of the upper end point and the lower end point of the air deflector in the local coordinate system are brought into the global coordinate system, the abscissa Ex of the upper end point E of the air deflector can be obtained as
- | AA ' | cos α - | CC ' | sin δ | tan δ - | CC ' | cos δ - | CD | - | DE | cos (λ 1+ β); the abscissa Fx of the lower end F point is | AA ' | cos α | CC ' | sin δ | tan δ | CC ' | cos δ | CD | + | DF | cos (λ 2- β). It can be seen that the coordinates of the upper and lower end points of the air deflector are only related to the first rotation angle α and the second rotation angle β. After the target position of the air deflector is determined based on the position of the user, the first rotation angle alpha and the second rotation angle beta can be obtained through reverse estimation. Therefore, the first driving mechanism and the second driving mechanism can be controlled to act, and the angle of the air guide plate is adjusted, so that the air outlet area of the air guide plate is kept away from users.
The embodiment of the disclosure provides a control device for preventing direct blowing of an air conditioner, which comprises a first determining module, a second determining module and a control module. The first determination module is configured to determine that the air conditioner performs a direct blow-through prevention mode; the second determination module is configured to determine a target pose of the air deflector according to the position of the user; the control module is configured to control the first driving mechanism and the second driving mechanism to move according to the target pose of the air deflector, and adjust the air outlet area of the air deflector so that the air outlet area avoids the position of a user.
By adopting the control device for preventing the air conditioner from directly blowing, which is provided by the embodiment of the disclosure, the target pose of the air deflector is determined by combining the specific position of the user. And controlling the first driving mechanism and the second driving mechanism to act together to enable the air deflector to move to a target pose. The air deflector guides air at the target pose, so that the air outlet area of the air deflector avoids the position of a user. Therefore, the air outlet area of the air guide plate is adjusted by adjusting the motion track of the air guide plate, and the direct blowing prevention is further realized.
As shown in fig. 9, an embodiment of the present disclosure provides a control device for preventing blow-through of an air conditioner, including a processor (processor)100 and a memory (memory) 101. Optionally, the apparatus may also include a Communication Interface (Communication Interface)102 and a bus 103. The processor 100, the communication interface 102, and the memory 101 may communicate with each other via a bus 103. The communication interface 102 may be used for information transfer. The processor 100 may call the logic instructions in the memory 101 to execute the control method for air conditioning anti-blow-through of the above-described embodiment.
In addition, the logic instructions in the memory 101 may be implemented in the form of software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products.
The memory 101, which is a computer-readable storage medium, may be used for storing software programs, computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 100 executes functional applications and data processing by executing program instructions/modules stored in the memory 101, that is, implements the control method for air-conditioning anti-blow-through in the above-described embodiments.
The memory 101 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. In addition, the memory 101 may include a high-speed random access memory, and may also include a nonvolatile memory.
The embodiment of the disclosure provides an air conditioner, which comprises the control device for preventing the air conditioner from directly blowing.
The embodiment of the disclosure provides a storage medium, which stores computer-executable instructions configured to execute the control method for preventing blow-through of an air conditioner.
The storage medium described above may be a transitory computer-readable storage medium or a non-transitory computer-readable storage medium.
The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product, where the computer software product is stored in a storage medium and includes one or more instructions to enable a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium comprising: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes, and may also be a transient storage medium.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosures, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.
Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by the skilled person that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be merely a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between the different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.

Claims (10)

1. A control method for preventing direct blowing of an air conditioner is characterized in that an indoor unit of the air conditioner comprises an air deflector and a motion assembly connected with the air deflector; the motion assembly comprises a first connecting rod, a second connecting rod, a track plate, a first driving mechanism and a second driving mechanism; one end of the first connecting rod is connected with the first driving mechanism so that the first connecting rod slides along the track plate to drive the air guide plate to extend out, and the other end of the first connecting rod is rotatably connected with the air guide plate and is driven by the second driving mechanism to rotate; one end of the second connecting rod is connected with the track plate in a sliding mode, and the other end of the second connecting rod is connected with the air deflector in a rotating mode and provides support for the rotation of the air deflector; the method comprises the following steps:
determining that the air conditioner executes a direct blowing prevention mode;
determining the target pose of the air deflector according to the position of a user;
and controlling the first driving mechanism and the second driving mechanism to move according to the target pose of the air deflector so as to adjust the air outlet area to avoid the position of the user.
2. The method of claim 1, wherein the air conditioner is determined to perform the anti-blow-through mode by:
receiving the direct blow prevention control command, or,
and under the condition that the air conditioner operates in the preset working mode, determining that the user exists in the wind area.
3. The method of claim 2, wherein the determining that the user is present in the air-out region comprises:
acquiring the current position of the air deflector and the position of a user;
in an air-conditioning refrigeration mode, determining that a user exists in a wind area under the condition that the position of the user is above the current position of the air deflector; or the like, or, alternatively,
and under the condition that the position of the user is below the current position of the air deflector in the air-conditioning heating mode, determining that the user exists in the wind area.
4. The method of claim 1, wherein determining the target pose of the air deflector as a function of the user's position comprises:
establishing a global coordinate system by taking the driving center of the first driving mechanism as an origin and the plane where the first connecting rod is located as a reference plane;
determining a global target position of the air deflector based on the position of the user;
the target position of the air deflector comprises the global target position of the air deflector at the upper end point and the lower end point of the reference surface.
5. The method of claim 4, wherein controlling the first and second drive mechanisms to move according to the target pose of the wind deflector comprises:
determining a first rotation angle alpha of the first driving mechanism and a second rotation angle beta of the second driving mechanism according to a first corresponding relation between the global target position of the air deflector and the rotation angles of the first driving mechanism and the second driving mechanism;
the first drive mechanism and the second drive mechanism are controlled to rotate by angles alpha and beta, respectively.
6. The method of claim 5, wherein determining the first angle of rotation α of the first drive mechanism and the second angle of rotation β of the second drive mechanism comprises:
establishing a local coordinate system with the direction consistent with that of the global coordinate system by taking the turning center of the air deflector as an origin;
determining local target positions of upper and lower end points of the air deflector in a local coordinate system;
determining a target position of an air deflector overturning center according to the global target position and the local target position;
and determining a first rotation angle alpha of the first driving mechanism and a second rotation angle beta of the second driving mechanism according to a second corresponding relation between the target position of the turning center of the air deflector and the first rotation angle alpha and the second rotation angle beta.
7. The method of claim 6, wherein determining the local target position of the upper and lower endpoints of the wind deflector in the local coordinate system comprises:
acquiring an included angle between the upper end point and the lower end point of the initial state of the air deflector and the overturning center of the air deflector;
calculating the positions of the upper and lower end points of the air deflector after rotating by a third rotation angle theta, and determining the calculation result as the local target positions of the upper and lower end points of the air deflector in a local coordinate system;
and the third rotation angle theta is the rotation angle of the air deflector adjusted from the initial state to the target pose.
8. The method of claim 6, wherein determining the target position of the wind deflector turnover center based on the global target position and the local target position comprises:
calculating a difference between the global target position and the local target position;
and determining the difference value as the target position of the turning center of the air deflector.
9. A control apparatus for air conditioning anti-blow-through, comprising a processor and a memory storing program instructions, characterized in that the processor is configured to execute the control method for air conditioning anti-blow-through according to any one of claims 1 to 8 when executing the program instructions.
10. An air conditioner, characterized in that, its indoor set includes:
the air-guiding plate is provided with an air-guiding plate,
the moving assembly is connected with the air deflector; wherein the motion assembly comprises:
a track plate;
one end of the first connecting rod is connected with the first driving mechanism so as to enable the first connecting rod to slide along the track plate, and the other end of the first connecting rod is rotationally connected with the air deflector and is driven by the second driving mechanism to rotate;
one end of the second connecting rod is connected with the track plate in a sliding mode, and the other end of the second connecting rod is connected with the air deflector in a rotating mode and provides support for the rotation of the air deflector; and the combination of (a) and (b),
the control device for air conditioning anti-blowthrough as recited in claim 9.
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