EP3598012B1 - Control method for air deflectors of air conditioner and air conditioner - Google Patents

Control method for air deflectors of air conditioner and air conditioner Download PDF

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Publication number
EP3598012B1
EP3598012B1 EP17900855.2A EP17900855A EP3598012B1 EP 3598012 B1 EP3598012 B1 EP 3598012B1 EP 17900855 A EP17900855 A EP 17900855A EP 3598012 B1 EP3598012 B1 EP 3598012B1
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EP
European Patent Office
Prior art keywords
air
air deflectors
deflectors
power means
rotate
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.)
Active
Application number
EP17900855.2A
Other languages
German (de)
French (fr)
Other versions
EP3598012A4 (en
EP3598012A1 (en
Inventor
Xinliang Wang
Hui Zhang
Kai Yu
Qunbo LIU
Handong XUE
Ganbin CHEN
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.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
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Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Publication of EP3598012A1 publication Critical patent/EP3598012A1/en
Publication of EP3598012A4 publication Critical patent/EP3598012A4/en
Application granted granted Critical
Publication of EP3598012B1 publication Critical patent/EP3598012B1/en
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Anticipated expiration legal-status Critical

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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
    • F24F11/62—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
    • 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
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • 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
    • 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
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • 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
    • 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
    • F24F13/08—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
    • F24F13/1413—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using more than one tilting member, e.g. with several pivoting blades
    • 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
    • F24F13/15—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
    • 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

Definitions

  • the present invention relates to the technical field of air conditioners, and in particular, to a control method of air deflectors of an air conditioner, and the air conditioner.
  • An air outlet structure of an air conditioner generally includes an air outlet and a plurality of air deflectors arranged at the air outlet.
  • the air deflectors are generally controlled to move outward and downward relative to the air outlet to preset positions, and then the air deflectors rotate to unfold the air deflectors, wherein the preset positions are final positions where the air deflectors move outward and downward relative to the air outlet.
  • JP2008122004A discloses an air conditioner capable of obtaining stable motion even when a time period when an arm portion and a wind direction changing blade are simultaneously operated, exists in fluctuating the wind direction changing blade.
  • a wind direction changing blade driving means is constituted so that a control means controls an arm portion driving means and the wind direction changing blade driving means to keep the variation of a rotating speed obtained by combining revolving motion of a wind direction changing blade in accompany with the rotation of the arm portion and rotating motion of the wind direction changing blade rotated while supported by the arm portion, within a prescribed range.
  • a control method according to claim 1 and an air conditioner according to claim 4 are provided, in order to improve the problem of a relatively long startup time of the air conditioner in the related art.
  • the invention provides a control method according to claim 1.
  • it provides a control method of air deflectors of an air conditioner, wherein after a startup command is received, before air deflectors of the air conditioner departing from an air outlet of the air conditioner reach preset positions, the air deflectors rotate for unfolding, wherein the preset positions are final positions where the air deflectors move outward and downward relative to the air outlet, and the process when the air deflectors move outward and downward is partially overlapped with the process when the air deflectors rotate for unfolding in time.
  • the air deflectors after the startup command is received, while the air deflectors start to move from the air outlet to the preset positions, the air deflectors start to rotate for unfolding.
  • the air deflectors departing from the air outlet reach anti-interference positions located above the preset positions, the air deflectors rotate for unfolding, wherein the anti-interference positions are positions configured to prevent upper parts of the air deflectors from interfering with the air outlet in the process when the air deflectors rotate for unfolding.
  • the air deflectors move in anyone of the following manners:
  • the invention also provides an air conditioner according to claim 4.
  • an air conditioner comprising an air outlet, a plurality of air deflectors, a first power means and a second power means, wherein the first power means is configured to cause the air deflectors to move between the air outlet and preset positions below an outer side of the air outlet, the second power means is configured to cause the air deflectors to rotate for unfolding or folding, wherein after a startup command is received, the second power means is configured to cause the air deflectors to rotate for unfolding before the first power means causes the air deflectors departing from the air outlet to reach the preset positions, and the process when the air deflectors move outward and downward is partially overlapped with the process when the air deflectors rotate for unfolding in time.
  • the second power means is configured to start to rotate the air deflectors to unfold, while the first power means starts to move the air deflectors from the air outlet to the preset positions.
  • the second power means is configured to start to cause the air deflectors to rotate for unfolding, when the first power means causes the air deflectors departing from the air outlet to reach anti-interference positions located above the preset positions, wherein the anti-interference positions are positions configured to prevent the upper parts of the air deflectors from interfering with the air outlet in the process when the air deflectors rotate for unfolding.
  • the first power means comprises a first stepping motor
  • the second power means comprises a second stepping motor
  • the second power means is configured to cause the air deflectors to rotate for unfolding after the first power means acts for X steps, wherein when the first power means acts for the X steps, the air deflectors is configured to depart from the air outlet to reach the anti-interference positions.
  • the first power means is configured to cause the air deflectors to move from the preset positions to the air outlet, after the second power means causes the air deflectors to complete rotating for folding; or, after a shutdown command is received, the second power means is configured to cause the air deflectors to rotate for folding, after the first power means causes the air deflectors departing from the preset positions to reach the air outlet.
  • the air deflectors of the air conditioner provided by the present invention, before the air deflectors departing from the air outlet reach the preset positions, the air deflectors start to rotate for unfolding, since the rotation folding of the air deflectors in the startup phase does not need to be performed after the air deflectors reach the preset positions, the startup time would be considerably shortened, which facilitates improving the user experience.
  • orientation or positional relationships indicated by orientation words such as “front, back, up, lower, left, right", “transverse, vertical, perpendicular, horizontal” and “top, bottom” and the like are generally based on orientation or positional relationships when an air conditioner is normally used; and the orientation words “inside and outside” refer to the inside and outside of the contour of each component itself.
  • Fig.1 and Fig.2 respectively show state schematic diagrams of air deflectors in a startup completion phase and a shutdown completion phase
  • Fig.3 shows a control flow diagram of the air deflectors in a startup phase according to one embodiment of the present invention.
  • a control method of air deflectors of an air conditioner includes the following steps: after a startup command is received, before the air deflectors 1 of the air conditioner departing from an air outlet 2 of the air conditioner reach preset positions, starting to cause the air deflectors 1 to rotate for unfolding
  • the preset positions still refer to final positions where the air deflectors 1 move outward and downward relative to the air outlet 2, that is to say, in the startup phase, the air deflectors 1 do not continue to move downward and outward after reaching the preset positions.
  • the rotation unfolding of the air deflectors 1 in the startup phase does not need to be performed after the air deflectors 1 reach the preset positions, but would be performed before the air deflectors 1 reach the preset positions, the rotation unfolding of the air deflectors 1 does not need to take a separate time, therefore, the startup time would be considerably shortened, which facilitates improving the user experience.
  • the air deflectors 1 after the startup command is received, while starting to move the air deflectors 1 from the air outlet 2 to the preset positions, the air deflectors 1 start to rotate for unfolding. In this way, the rotation unfolding of the air deflectors 1 in the startup phase would be performed at the same time as the movement of the air deflectors 1, and the rotation unfolding of the air deflectors 1 does not need to take an additional time, so that the startup time would be shortened.
  • the air deflectors 1 after the startup command is received, when the air deflectors 1 departing from the air outlet 2 reach anti-interference positions located above the preset positions, the air deflectors 1 start to rotate for unfolding.
  • the air deflectors 1 when the air deflectors 1 rotate for unfolding, the air deflectors continue to move downward and outward from the anti-interference positions, until moving to the preset positions, and the movement process in the startup phase is completed.
  • the anti-interference positions are positions configured to prevent the upper parts of the air deflectors 1 from interfering with the air outlet 2 in the process when the air deflectors 1 rotate for unfolding.
  • the rotation unfolding of the air deflectors 1 is started when the air deflectors 1 reach the anti-interference positions.
  • the rotation unfolding of the air deflectors 1 is started before the air deflectors 1 reach the preset positions, the movement process of the air deflectors 1 is partially overlapped with the rotation unfolding process of the air deflectors 1, and the rotation unfolding of the air deflectors 1 does not need to take an additional time, so that the startup time can be considerably shortened
  • the rotation unfolding of the air deflectors 1 is not simultaneously performed with the movement of the air deflectors 1, but is started when the air deflectors 1 reach the anti-interference positions, the rotation unfolding of the air deflectors 1 is slightly later than the movement of the air deflectors 1. Therefore, the interference between the upper part of the air deflectors 1 with the air outlet 2 in the rotation unfolding process would also be effectively avoided, such that the rotation unfolding process of
  • the rotation folding of the air deflectors 1 and the movement of the air deflectors 1 is performed sequentially, wherein the rotation folding of the air deflectors 1 is performed before the movement of the air deflectors 1, or the rotation folding of the air deflectors 1 is performed after the movement of the air deflectors 1.
  • the air deflectors 1 are caused to move in any of the following manners:
  • the present invention further provides an air conditioner, including an air outlet 2, a plurality of air deflectors 1, a first power means and a second power means, wherein the first power means is configured to cause the air deflectors 1 to move between the air outlet 2 and preset positions below the outer side of the air outlet 2, the second power means is configured to cause the air deflectors 1 to rotate for unfolding or to rotate for folding, wherein after a startup command is received, the second power means starts to cause the air deflectors 1 to rotate for unfolding before the first power means causes the air deflectors 1 departing from the air outlet 2 to reach the preset positions.
  • an air conditioner including an air outlet 2, a plurality of air deflectors 1, a first power means and a second power means, wherein the first power means is configured to cause the air deflectors 1 to move between the air outlet 2 and preset positions below the outer side of the air outlet 2, the second power means is configured to cause the air deflectors 1 to rotate for unfolding or to rotate for folding, wherein
  • the second power means for causing the rotation of the air deflectors 1 does not start to act after the first power means for causing the movement of the air deflectors 1 completes the action, but starts to act before the first power means completes the action, so that the air deflectors 1 start to rotate for unfolding before moving to the preset positions, so that the startup time is relatively short, the startup efficiency is relatively high, and the user experience is better.
  • the second power means start to cause the air deflectors 1 to rotate for unfolding, while the first power means starts to move the air deflectors 1 from the air outlet 2 to the preset positions, in this way, the second power means and the first power means start to act at the same time, and the action of the second power means does not need to take an additional time, so that the startup time would be shortened.
  • the second power means would also start to cause the air deflectors 1 to rotate for unfolding, when the first power means causes the air deflectors 1 departing from the air outlet 2 to reach anti-interference positions located above the preset positions, the second power means acts slightly later than the first power means, thereby being not only able to shorten the startup time, but also being able to prevent the interference between the air deflectors 1 and the air outlet 2, and the startup process would be smoother.
  • the first power means causes the air deflectors 1 departing from the air outlet 2 to reach anti-interference positions, it still continues to cause the air deflectors 1 to move from the anti-interference positions to the preset positions, until the air deflectors 1 reach the preset positions, and the action of the first power means in the startup phase is completed.
  • the first power means includes a first stepping motor
  • the second power means includes a second stepping motor.
  • the second stepping motor is delayed behind the first stepping motor for X steps, and then the air deflectors 1 starts to rotate for unfolding when moving to the anti-interference positions in the startup phase. Accordingly, the startup time is shortened, and the startup smoothness is improved.
  • the first power means and the second power means act according to any one of the following manners:
  • the startup time would be shortened, and experiments show that the present disclosure would shorten the startup time by 50% compared with the prior art, would considerably improve the efficiency, and significantly improve the user experience.

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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 Conditioning Control Device (AREA)
  • Air-Flow Control Members (AREA)

Description

    Field of the Invention
  • The present invention relates to the technical field of air conditioners, and in particular, to a control method of air deflectors of an air conditioner, and the air conditioner.
    • Background of the Invention
  • An air outlet structure of an air conditioner generally includes an air outlet and a plurality of air deflectors arranged at the air outlet. In related art, in an air conditioner startup phase, the air deflectors are generally controlled to move outward and downward relative to the air outlet to preset positions, and then the air deflectors rotate to unfold the air deflectors, wherein the preset positions are final positions where the air deflectors move outward and downward relative to the air outlet.
  • Since the rotation unfolding of the air deflectors in the startup phase would be performed after the air deflectors reach the preset positions, the startup time is relatively long, and the user experience is worse.
  • JP2008122004A discloses an air conditioner capable of obtaining stable motion even when a time period when an arm portion and a wind direction changing blade are simultaneously operated, exists in fluctuating the wind direction changing blade. A wind direction changing blade driving means is constituted so that a control means controls an arm portion driving means and the wind direction changing blade driving means to keep the variation of a rotating speed obtained by combining revolving motion of a wind direction changing blade in accompany with the rotation of the arm portion and rotating motion of the wind direction changing blade rotated while supported by the arm portion, within a prescribed range.
    • Summary of the Invention
  • According to the invention, a control method according to claim 1 and an air conditioner according to claim 4 are provided, in order to improve the problem of a relatively long startup time of the air conditioner in the related art.
  • In order to solve the above technical problem, the invention provides a control method according to claim 1. In particular, it provides a control method of air deflectors of an air conditioner, wherein after a startup command is received, before air deflectors of the air conditioner departing from an air outlet of the air conditioner reach preset positions, the air deflectors rotate for unfolding, wherein the preset positions are final positions where the air deflectors move outward and downward relative to the air outlet, and the process when the air deflectors move outward and downward is partially overlapped with the process when the air deflectors rotate for unfolding in time.
  • In some embodiments of the present invention, after the startup command is received, while the air deflectors start to move from the air outlet to the preset positions, the air deflectors start to rotate for unfolding.
  • In some embodiments of the present invention, after the startup command is received, when the air deflectors departing from the air outlet reach anti-interference positions located above the preset positions, the air deflectors rotate for unfolding, wherein the anti-interference positions are positions configured to prevent upper parts of the air deflectors from interfering with the air outlet in the process when the air deflectors rotate for unfolding.
  • According to the invention, after a shutdown command is received, the air deflectors move in anyone of the following manners:
    • after the air deflectors complete rotating for folding, the air deflectors move from the preset positions to the air outlet; and
    • after the air deflectors departing from the preset positions reach the air outlet, the air deflectors rotate for folding.
  • The invention also provides an air conditioner according to claim 4. In particular, it provides an air conditioner, comprising an air outlet, a plurality of air deflectors, a first power means and a second power means, wherein the first power means is configured to cause the air deflectors to move between the air outlet and preset positions below an outer side of the air outlet, the second power means is configured to cause the air deflectors to rotate for unfolding or folding, wherein after a startup command is received, the second power means is configured to cause the air deflectors to rotate for unfolding before the first power means causes the air deflectors departing from the air outlet to reach the preset positions, and the process when the air deflectors move outward and downward is partially overlapped with the process when the air deflectors rotate for unfolding in time.
  • In some embodiments of the present invention, after the startup command is received, the second power means is configured to start to rotate the air deflectors to unfold, while the first power means starts to move the air deflectors from the air outlet to the preset positions.
  • In some embodiments of the present invention, after the startup command is received, the second power means is configured to start to cause the air deflectors to rotate for unfolding, when the first power means causes the air deflectors departing from the air outlet to reach anti-interference positions located above the preset positions, wherein the anti-interference positions are positions configured to prevent the upper parts of the air deflectors from interfering with the air outlet in the process when the air deflectors rotate for unfolding.
  • In some embodiments of the present invention, the first power means comprises a first stepping motor, the second power means comprises a second stepping motor, after the startup command is received, the second power means is configured to cause the air deflectors to rotate for unfolding after the first power means acts for X steps, wherein when the first power means acts for the X steps, the air deflectors is configured to depart from the air outlet to reach the anti-interference positions.
  • According to the present invention, after a shutdown command is received, the first power means is configured to cause the air deflectors to move from the preset positions to the air outlet, after the second power means causes the air deflectors to complete rotating for folding; or, after a shutdown command is received, the second power means is configured to cause the air deflectors to rotate for folding, after the first power means causes the air deflectors departing from the preset positions to reach the air outlet.
  • According to the control method of the air deflectors of the air conditioner provided by the present invention, before the air deflectors departing from the air outlet reach the preset positions, the air deflectors start to rotate for unfolding, since the rotation folding of the air deflectors in the startup phase does not need to be performed after the air deflectors reach the preset positions, the startup time would be considerably shortened, which facilitates improving the user experience.
  • Other features of the present invention and advantages thereof would become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the drawings.
    • Brief Description of the Drawings
  • To illustrate technical solutions in the embodiments of the present invention or in the prior art more clearly, a brief introduction on the drawings which are needed in the description of the embodiments or the prior art is given below. Apparently, the drawings in the description below are merely some of the embodiments of the present invention, based on which other drawings would be obtained by those of ordinary skill in the art without any creative effort while staying in the scope of the claims.
    • Fig.1 shows a state schematic diagram of air deflectors in a startup phase according to one embodiment of the present invention.
    • Fig.2 shows a state schematic diagram of air deflectors after shutdown is completed according to one embodiment of the present invention.
    • Fig.3 shows a control flow diagram of air deflectors in a startup phase according to one embodiment of the present invention.
  • Reference signs: 1. air deflectors; 2. air outlet.
    • Detailed Description of the Embodiments
  • A clear and complete description of technical solutions in the embodiments of the present invention will be given below, in combination with the drawings in the embodiments of the present invention.
  • Apparently, the embodiments described below are merely a part, but not all, of the embodiments of the present invention which is defined in the appended claims. The following description of at least one exemplary embodiment is merely illustrative.
  • Techniques, methods and devices known to those of ordinary skill in related art may not be discussed in detail.
  • In the description of the present invention, it should be understood that the terms "first", "second" and the like are used for defining part and components, and are only for the purpose of facilitating the distinction between the corresponding parts and components. If not stated otherwise, the above words have no special meaning, and thus cannot be construed as limitations to the protection scope of the present invention.
  • In the description of the present invention, it should be understood that orientation or positional relationships indicated by orientation words such as "front, back, up, lower, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like are generally based on orientation or positional relationships when an air conditioner is normally used; and the orientation words "inside and outside" refer to the inside and outside of the contour of each component itself.
  • Fig.1 and Fig.2 respectively show state schematic diagrams of air deflectors in a startup completion phase and a shutdown completion phase, and Fig.3 shows a control flow diagram of the air deflectors in a startup phase according to one embodiment of the present invention. With reference to Fig.1 to Fig.3, a control method of air deflectors of an air conditioner provided by the present invention includes the following steps: after a startup command is received, before the air deflectors 1 of the air conditioner departing from an air outlet 2 of the air conditioner reach preset positions, starting to cause the air deflectors 1 to rotate for unfolding
  • As in the prior art, in the present invention, the preset positions still refer to final positions where the air deflectors 1 move outward and downward relative to the air outlet 2, that is to say, in the startup phase, the air deflectors 1 do not continue to move downward and outward after reaching the preset positions.
  • In the present invention, since the rotation unfolding of the air deflectors 1 in the startup phase does not need to be performed after the air deflectors 1 reach the preset positions, but would be performed before the air deflectors 1 reach the preset positions, the rotation unfolding of the air deflectors 1 does not need to take a separate time, therefore, the startup time would be considerably shortened, which facilitates improving the user experience.
  • As an embodiment of the present invention, after the startup command is received, while starting to move the air deflectors 1 from the air outlet 2 to the preset positions, the air deflectors 1 start to rotate for unfolding. In this way, the rotation unfolding of the air deflectors 1 in the startup phase would be performed at the same time as the movement of the air deflectors 1, and the rotation unfolding of the air deflectors 1 does not need to take an additional time, so that the startup time would be shortened.
  • In another embodiment of the present invention, after the startup command is received, when the air deflectors 1 departing from the air outlet 2 reach anti-interference positions located above the preset positions, the air deflectors 1 start to rotate for unfolding. Of course, in this case, when the air deflectors 1 rotate for unfolding, the air deflectors continue to move downward and outward from the anti-interference positions, until moving to the preset positions, and the movement process in the startup phase is completed.
  • In the present invention, the anti-interference positions are positions configured to prevent the upper parts of the air deflectors 1 from interfering with the air outlet 2 in the process when the air deflectors 1 rotate for unfolding.
  • In the above other embodiment, in the startup phase, the rotation unfolding of the air deflectors 1 is started when the air deflectors 1 reach the anti-interference positions. On one hand, since the rotation unfolding of the air deflectors 1 is started before the air deflectors 1 reach the preset positions, the movement process of the air deflectors 1 is partially overlapped with the rotation unfolding process of the air deflectors 1, and the rotation unfolding of the air deflectors 1 does not need to take an additional time, so that the startup time can be considerably shortened, on the other hand, since the rotation unfolding of the air deflectors 1 is not simultaneously performed with the movement of the air deflectors 1, but is started when the air deflectors 1 reach the anti-interference positions, the rotation unfolding of the air deflectors 1 is slightly later than the movement of the air deflectors 1. Therefore, the interference between the upper part of the air deflectors 1 with the air outlet 2 in the rotation unfolding process would also be effectively avoided, such that the rotation unfolding process of the air deflectors 1 is smoother.
  • Since the time taken for the rotation unfolding or rotation folding of the air deflectors 1 is shorter than the movement time of the air deflectors 1 between the air outlet and the preset positions, the slight interference between the air deflectors 1 and the air outlet 2 is only present in the early stage of the startup phase in general.
  • Therefore, in the present invention, in the shutdown phase, the rotation folding of the air deflectors 1 and the movement of the air deflectors 1 is performed sequentially, wherein the rotation folding of the air deflectors 1 is performed before the movement of the air deflectors 1, or the rotation folding of the air deflectors 1 is performed after the movement of the air deflectors 1. Based on this, in the control method provided by the present invention, after the shutdown command is received, the air deflectors 1 are caused to move in any of the following manners:
    • after the air deflectors 1 complete rotating for folding, starting to cause the air deflectors 1 to move from the preset positions to the air outlet 2; and
    • after the air deflectors 1 departing from the preset positions reach the air outlet 2, starting to cause the air deflectors 1 to rotate for folding.
  • The present invention further provides an air conditioner, including an air outlet 2, a plurality of air deflectors 1, a first power means and a second power means, wherein the first power means is configured to cause the air deflectors 1 to move between the air outlet 2 and preset positions below the outer side of the air outlet 2, the second power means is configured to cause the air deflectors 1 to rotate for unfolding or to rotate for folding, wherein after a startup command is received, the second power means starts to cause the air deflectors 1 to rotate for unfolding before the first power means causes the air deflectors 1 departing from the air outlet 2 to reach the preset positions.
  • Unlike the air conditioner in the prior art, in the air conditioner of the present invention, in the startup phase, the second power means for causing the rotation of the air deflectors 1 does not start to act after the first power means for causing the movement of the air deflectors 1 completes the action, but starts to act before the first power means completes the action, so that the air deflectors 1 start to rotate for unfolding before moving to the preset positions, so that the startup time is relatively short, the startup efficiency is relatively high, and the user experience is better.
  • In order to cause the second power means to start to act before the first power means completes the action, in the air conditioner of the present invention, after the startup command is received, the second power means start to cause the air deflectors 1 to rotate for unfolding, while the first power means starts to move the air deflectors 1 from the air outlet 2 to the preset positions, in this way, the second power means and the first power means start to act at the same time, and the action of the second power means does not need to take an additional time, so that the startup time would be shortened.
  • In another embodiment, the second power means would also start to cause the air deflectors 1 to rotate for unfolding, when the first power means causes the air deflectors 1 departing from the air outlet 2 to reach anti-interference positions located above the preset positions, the second power means acts slightly later than the first power means, thereby being not only able to shorten the startup time, but also being able to prevent the interference between the air deflectors 1 and the air outlet 2, and the startup process would be smoother. Of course, after the first power means causes the air deflectors 1 departing from the air outlet 2 to reach anti-interference positions, it still continues to cause the air deflectors 1 to move from the anti-interference positions to the preset positions, until the air deflectors 1 reach the preset positions, and the action of the first power means in the startup phase is completed.
  • In the above embodiment, the first power means includes a first stepping motor, the second power means includes a second stepping motor. Furthermore, after the startup command is received, the second power means start to cause the air deflectors 1 to rotate for unfolding after the first power means completes acting for X steps, X=1,2,3,...., wherein when the first power means acts for the X steps, the air deflectors 1 departing from the air outlet 2 reach the anti-interference positions. Based on this, the second stepping motor is delayed behind the first stepping motor for X steps, and then the air deflectors 1 starts to rotate for unfolding when moving to the anti-interference positions in the startup phase. Accordingly, the startup time is shortened, and the startup smoothness is improved.
  • In addition, in the air conditioner of the present invention, after the shutdown command is received, the first power means and the second power means act according to any one of the following manners:
    • the first power means starts to cause the air deflectors 1 from the preset positions to the air outlet 2, after the second power means causes the air deflectors 1 to complete rotating for folding; and
    • the second power means starts to cause the air deflectors 1 to rotate for folding, after the first power means causes the air deflectors 1 departing from the preset positions to reach the air outlet 2.
  • Therefore, based on the control method and the air conditioner provided by the present invention, the startup time would be shortened, and experiments show that the present disclosure would shorten the startup time by 50% compared with the prior art, would considerably improve the efficiency, and significantly improve the user experience.
  • The above descriptions are only exemplary embodiments of the present invention, and are not intended to limit the invention, the scope of which is defined in the claims.

Claims (7)

  1. A control method of air deflectors of an air conditioner, wherein after a startup command is received, before air deflectors (1) of the air conditioner departing from an air outlet (2) of the air conditioner reach preset positions, the air deflectors (1) rotate for unfolding, wherein the preset positions are final positions where the air deflectors (1) move outward and downward relative to the air outlet, and the process when the air deflectors (1) move outward and downward is partially overlapped with the process when the air deflectors (1) rotate for unfolding in time;
    wherein after a shutdown command is received, the air deflectors (1) move in anyone of the following manners:
    after the air deflectors (1) complete rotating for folding, the air deflectors (1) move from the preset positions to the air outlet (2); and
    after the air deflectors (1) departing from the preset positions reach the air outlet (2), the air deflectors (1) rotate for folding.
  2. The control method according to claim 1, wherein after the startup command is received, while the air deflectors (1) start to move from the air outlet (2) to the preset positions, the air deflectors (1) start to rotate for unfolding.
  3. The control method according to claim 1, wherein after the startup command is received, when the air deflectors (1) departing from the air outlet (2) reach anti-interference positions located above the preset positions, the air deflectors (1) rotate for unfolding, wherein the anti-interference positions are positions configured to prevent upper parts of the air deflectors (1) from interfering with the air outlet (2) in the process when the air deflectors (1) rotate for unfolding.
  4. An air conditioner, comprising an air outlet (2), a plurality of air deflectors (1), a first power means and a second power means, wherein the first power means is configured to cause the air deflectors (1) to move between the air outlet (2) and preset positions below an outer side of the air outlet (2), the second power means is configured to cause the air deflectors (1) to rotate for unfolding or folding, wherein after a startup command is received, the second power means is configured to cause the air deflectors (1) to rotate for unfolding before the first power means causes the air deflectors (1) departing from the air outlet (2) to reach the preset positions, and the process when the air deflectors (1) move outward and downward is partially overlapped with the process when the air deflectors (1) rotate for unfolding in time;
    wherein after a shutdown command is received, the first power means is configured to cause the air deflectors (1) to move from the preset positions to the air outlet (2), after the second power means causes the air deflectors (1) to complete rotating for folding; or, after a shutdown command is received, the second power means is configured to cause the air deflectors (1) to rotate for folding, after the first power means causes the air deflectors (1) departing from the preset positions to reach the air outlet (2).
  5. The air conditioner according to claim 4, wherein after the startup command is received, the second power means is configured to start to rotate the air deflectors (1) to unfold, while the first power means starts to move the air deflectors (1) from the air outlet (2) to the preset positions.
  6. The air conditioner according to claim 4, wherein after the startup command is received, the second power means is configured to start to cause the air deflectors (1) to rotate for unfolding, when the first power means causes the air deflectors (1) departing from the air outlet (2) to reach anti-interference positions located above the preset positions, wherein the anti-interference positions are positions configured to prevent the upper parts of the air deflectors (1) from interfering with the air outlet (2) in the process when the air deflectors (1) rotate for unfolding.
  7. The air conditioner according to claim 6, wherein the first power means comprises a first stepping motor, the second power means comprises a second stepping motor, after the startup command is received, the second power means is configured to cause the air deflectors (1) to rotate for unfolding after the first power means acts for X steps, X=1,2,3..., wherein when the first power means acts for the X steps, the air deflectors (1) departing from the air outlet (2) reach the anti-interference positions.
EP17900855.2A 2017-03-16 2017-10-18 Control method for air deflectors of air conditioner and air conditioner Active EP3598012B1 (en)

Applications Claiming Priority (2)

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CN201710156104.5A CN106907835B (en) 2017-03-16 2017-03-16 Control method of air conditioner air deflector and air conditioner
PCT/CN2017/106673 WO2018166200A1 (en) 2017-03-16 2017-10-18 Control method for air deflectors of air conditioner and air conditioner

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CN106907835B (en) * 2017-03-16 2018-09-14 珠海格力电器股份有限公司 Control method of air conditioner air deflector and air conditioner
CN110500697B (en) * 2019-08-15 2021-02-23 海信（山东）空调有限公司 Air conditioner, air deflector of air conditioner and control method and device of fan of indoor unit
CN113137740A (en) * 2021-04-20 2021-07-20 珠海格力电器股份有限公司 Air sweeping device and air conditioner with same
CN113551361A (en) * 2021-07-29 2021-10-26 珠海格力电器股份有限公司 Control method and control device for air conditioner with roller shutter mechanism

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CN106907835B (en) * 2017-03-16 2018-09-14 珠海格力电器股份有限公司 Control method of air conditioner air deflector and air conditioner

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KR20190126078A (en) 2019-11-08
JP2020510182A (en) 2020-04-02
CN106907835A (en) 2017-06-30
ES2968930T3 (en) 2024-05-14
EP3598012A4 (en) 2020-03-04
US20200400336A1 (en) 2020-12-24
WO2018166200A1 (en) 2018-09-20
EP3598012A1 (en) 2020-01-22

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