CN107345709B - Air guide assembly and air conditioner with same - Google Patents

Air guide assembly and air conditioner with same Download PDF

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Publication number
CN107345709B
CN107345709B CN201710620479.2A CN201710620479A CN107345709B CN 107345709 B CN107345709 B CN 107345709B CN 201710620479 A CN201710620479 A CN 201710620479A CN 107345709 B CN107345709 B CN 107345709B
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CN
China
Prior art keywords
swing
bracket
swing blade
driving rod
blade
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Active
Application number
CN201710620479.2A
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Chinese (zh)
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CN107345709A (en
Inventor
刘国虬
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.)
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Publication date
Application filed by Midea Group Co Ltd, GD Midea Air Conditioning Equipment Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201710620479.2A priority Critical patent/CN107345709B/en
Publication of CN107345709A publication Critical patent/CN107345709A/en
Application granted granted Critical
Publication of CN107345709B publication Critical patent/CN107345709B/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
    • 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
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1446—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with gearings

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)

Abstract

The invention discloses aAir guide subassembly and have its air conditioner, air guide subassembly includes: a bracket; a first swing blade group, which is positioned at one end of the bracket and comprises at least one first swing blade rotatably arranged on the bracket, and the maximum angle of each first swing blade swinging towards the other end of the bracket is alpha 1 The method comprises the steps of carrying out a first treatment on the surface of the The second swing blade group is positioned at the other end of the bracket and comprises at least one second swing blade rotatably arranged on the bracket, and the maximum swing angle of each second swing blade towards the other end of the bracket is alpha 2 ，α 1 And alpha is 2 The method meets the following conditions: alpha 1 ＜α 2 The method comprises the steps of carrying out a first treatment on the surface of the The first driving rod drives each first swing blade to swing, and the second driving rod drives each second swing blade to swing. According to the air guide assembly, air flow can be well guided, the hollow area is reduced, and when the air guide assembly is applied to an air conditioner, the temperature distribution at the air outlet of the air conditioner is uniform, and the comfort is good.

Description

Air guide assembly and air conditioner with same
Technical Field
The invention relates to the technical field of household appliances, in particular to an air guide assembly and an air conditioner with the same.
Background
In the prior art, a plurality of swing blades of a single through-flow cabinet air conditioner are driven by a driving rod to realize the rotation of the swing blades, so that the rotation angles of the swing blades are equal. When the single-through-flow cabinet air conditioner operates and the swing blades rotate downwards to the maximum swing angle position, a larger 'hollow area' is formed at the upper end of the air outlet of the single-through-flow cabinet air conditioner, and no or little wind exists in the area, so that the temperature of the area is greatly different from the temperature of the lower part of the air outlet, for example, the temperature is different by tens of degrees or even twenty-more degrees, and the temperature distribution at the air outlet is uneven, so that the comfort of the single-through-flow cabinet air conditioner is greatly influenced.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the air guide assembly, which can better guide air flow and reduce a hollow area, so that when the air guide assembly is applied to an air conditioner, the temperature distribution at the air outlet of the air conditioner is uniform, and the comfort is good.
The invention also provides an air conditioner with the air guide assembly.
An air guiding assembly according to an embodiment of the first aspect of the present invention includes: a bracket; the first swing blade group is positioned at one end of the bracket and comprises at least one first swing blade rotatably arranged on the bracket, and the maximum swing angle of each first swing blade towards the other end of the bracket is alpha 1 The method comprises the steps of carrying out a first treatment on the surface of the The second swing blade group is positioned at the other end of the bracket and comprises at least one second swing blade rotatably arranged on the bracket, and the maximum swing angle of each second swing blade towards the other end of the bracket is alpha 2 Said alpha is 1 And said alpha 2 The method meets the following conditions: alpha 1 ＜α 2 The method comprises the steps of carrying out a first treatment on the surface of the The first driving rod is connected with the first swing blade group to drive each first swing blade to swing, and the second driving rod is connected with the second swing blade group to drive each second swing blade to swing.
According to the air guide assembly provided by the embodiment of the invention, the first driving rod and the second driving rod are arranged to drive the first swing blade group and the second swing blade group respectively, so that the maximum angle alpha of the swing of the first swing blade towards the second end of the bracket is achieved 1 Maximum angle alpha of swing of the second swing blade towards the second end of the bracket 2 Satisfy alpha 1 ＜α 2 Therefore, the 'cavity area' at the first end of the bracket is reduced, and when the air guide assembly is applied to the air conditioner, the temperature distribution at the air outlet of the air conditioner is uniform, and the air supply comfort of the air conditioner is improved.
According to some embodiments of the present invention, the first driving rod and the second driving rod are movably connected, and the first driving rod and the second driving rod are adapted to be driven to move by the same driver, so that the driver can drive the first driving rod and the second driving rod to move at the same time, and the number of components is small, and the assembly efficiency is high.
According to some embodiments of the invention, one of the first and second drive rods has an opening formed therein, the first and second drive rodsAnd the other one of the movable rods is provided with a sliding column, the sliding column extends into the opening and is in movable fit with the opening, the second driving rod is suitable for being connected with a driver, and the second driving rod moves to the position that the sliding column contacts with the side wall of the opening so as to drive the first driving rod to move. Thereby, not only realizing that the driver drives the second driving rod to move so as to drive the first driving rod to move, but also ensuring the maximum angle alpha of the swing of the first swing blade towards the second end of the bracket 1 Less than the maximum angle alpha of oscillation of the second swing blade toward the second end of the bracket 2 。
According to some embodiments of the invention, the first swing blade includes a first swing portion pivotally connected to the first fixing portion, and a first swing portion pivotally connected to the first driving lever, and the first fixing portion is connected to the bracket, thereby enabling rotation of the first swing blade.
According to some embodiments of the invention, the second swing blade includes a second swing portion and a second fixing portion, the second swing portion and the second fixing portion being pivotally connected, the second swing portion being pivotally connected to the bracket, the second fixing portion being connected to the second driving lever, thereby enabling rotation of the second swing blade.
According to some embodiments of the invention, at least one of the first swinging part and the first fixing part is provided with a limiting protrusion, and the limiting protrusion is located between the first swinging part and the first fixing part to limit the rotation angle of the first swinging part relative to the first fixing part, so as to further ensure the maximum angle alpha of swinging of the first swinging blade towards the second end of the bracket 1 Less than the maximum angle alpha of oscillation of the second swing blade toward the second end of the bracket 2 。
According to some embodiments of the invention, the limiting protrusion is located below the connection of the first swinging part and the first fixing part, so as to limit the maximum angle alpha of the swinging of the first swinging part towards the second end of the bracket 1 。
According to some embodiments of the invention, the surface of the free end of the limiting protrusion is an inclined plane, so that the limiting protrusion is ensured to be reliably limited.
According to some embodiments of the invention, the alpha 1 And said alpha 2 Further satisfies: alpha 1 ≤α 2 And 2, further ensuring that the air guide assembly can reduce a hollow area at the first end of the bracket and ensure the uniformity of temperature distribution.
According to some embodiments of the invention, the air guiding assembly further comprises: a third swing blade set, the third swing blade set is located between the first swing blade set and the second swing blade set, the third swing blade set includes at least one third swing blade rotatably arranged on the support, and a maximum angle of swing of each third swing blade toward the other end of the support is alpha 3 The following are satisfied: alpha 1 ＜α 3 ＜α 2 . Thus, the air guide assembly may also reduce the "void area" at the first end of the bracket.
According to some embodiments of the invention, the first swing blade group includes a plurality of first swing blades, the plurality of first swing blades are arranged at intervals, and a distance between mounting points of each two adjacent first swing blades on the bracket is L 1 When the second swing blade group comprises one second swing blade, the distance between one first swing blade of the first swing blade group adjacent to the second swing blade and the mounting point of the second swing blade on the bracket is L 2 The L is 1 And the L is 2 The method meets the following conditions: l (L) 1 ＞L 2 The method comprises the steps of carrying out a first treatment on the surface of the Or when the second swing blade group comprises a plurality of second swing blades, the second swing blades She Jiange are arranged, and the distance between the mounting points of every two adjacent second swing blades on the bracket is L 3 The L is 1 And the L is 3 The method meets the following conditions: l (L) 1 ＞L 3 . Therefore, the 'cavity area' at the first section of the bracket is further reduced, so that the temperature distribution of the outlets of each airflow channel is more uniform.
An air conditioner according to an embodiment of a second aspect of the present invention includes: the shell is provided with an air outlet; according to the air guide assembly of the embodiment of the first aspect of the present invention, the air guide assembly is disposed at the air outlet.
According to the air conditioner provided by the embodiment of the invention, by adopting the air guide assembly, the hollow area at the air outlet can be reduced, so that the temperature distribution at the air outlet is more uniform, and the air supply comfort of the air conditioner is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is an exploded view of an air guide assembly according to an embodiment of the present invention;
fig. 2 is an enlarged view of a portion a circled in fig. 1;
FIG. 3 is a schematic illustration of an assembled configuration of the air guide assembly and the driver shown in FIG. 1;
FIG. 4 is a front view of the assembled configuration of the air guide assembly and driver shown in FIG. 3;
FIG. 5 is an enlarged view of portion B of FIG. 4;
FIG. 6 is another schematic view of the assembled structure of the air guide assembly and the driver shown in FIG. 4, wherein the first, second and third swing blades are each swung toward the first end of the bracket to their maximum swing angle positions;
FIG. 7 is an enlarged view of portion C of FIG. 6;
FIG. 8 is yet another schematic illustration of the assembled configuration of the air guide assembly and the drive shown in FIG. 4, wherein the first, second and third swing blades are each swung toward the second end of the bracket to their maximum swing angle positions;
FIG. 9 is an enlarged view of portion D of FIG. 8;
fig. 10 is a schematic view of an air conditioner according to an embodiment of the present invention;
fig. 11 is a schematic view of a flow guiding effect of the air conditioner shown in fig. 10.
Reference numerals:
air conditioner 200,
A shell 101, an air outlet 101a, a driver 102, a connecting rod 1021, a heat exchanger 103, a wind wheel 104,
An air guide assembly 100,
A bracket 1, a first end 11, a second end 12,
A first swing blade group 2, a first swing blade 21, a first swing part 211, a first fixing part 212, a limit protrusion 212a,
A second swing blade group 3, a second swing blade 31, a second swing portion 311, a second fixing portion 312,
A first driving rod 4, an opening 41, a first side wall 41a, a second side wall 41b,
A second driving rod 5, a slide column 51,
A third swing blade group 6, a third swing blade 61, a third swing portion 611, and a third fixing portion 612.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center," "lateral," "length," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
An air guide assembly 100 according to an embodiment of the first aspect of the present invention is described below with reference to fig. 1-9.
As shown in fig. 1 to 9, an air guide assembly 100 according to an embodiment of the present invention includes a bracket 1, a first swing blade group 2, a second swing blade group 3, a first driving lever 4, and a second driving lever 5.
The first swing blade group 2 is positioned at one end of the bracket 1, the first swing blade group 2 comprises at least one first swing blade 21 rotatably arranged on the bracket 1, and the maximum angle of swing of each first swing blade 21 towards the other end of the bracket 1 is alpha 1 . The second swing blade group 3 is positioned at the other end of the bracket 1, the second swing blade group 3 comprises at least one second swing blade 31 rotatably arranged on the bracket 1, and the maximum angle of swing of each second swing blade 31 towards the other end of the bracket 1 is alpha 2 ，α 1 And alpha is 2 The method meets the following conditions: alpha 1 ＜α 2 . The first driving rod 4 is connected with the first swing blade group 2 to drive each first swing blade 21 to swing, and the second driving rod 5 is connected with the second swing blade group 3 to drive each second swing blade 31 to swing.
Specifically, the first swing blade set 2 and the second swing blade set 3 may be disposed at intervals in parallel along the length direction of the bracket 1, and when the first swing blade set 2 includes a first swing blade 21 and the second swing blade set 3 includes a second swing blade 31, an airflow channel of the air guiding assembly 100 is defined between the first swing blade 21 and the second swing blade 31; when the first swing blade set 2 includes one first swing blade 21 and the second swing blade set 3 includes a plurality of second swing blades 31, airflow channels of the air guide assembly 100 are defined between the first swing blade 21 and the second swing blade set 3 and between two adjacent second swing blades 31 of the plurality of second swing blades 31; when the first vane set 2 includes a plurality of first vanes 21 and the second vane set 3 includes one second vane 31, an airflow channel of the air guiding assembly 100 is defined between the second vane 31 and the first vane set 2 and between two adjacent first vanes 21 of the plurality of first vanes 21; when the first vane set 2 includes a plurality of first vanes 21 and the second vane set 3 includes a plurality of second vanes 31, airflow passages of the air guide assembly 100 are defined between the first vane set 2 and the second vane set 3, between two adjacent first vanes 21 of the plurality of first vanes 21, and between two adjacent second vanes 31 of the plurality of second vanes 31. The airflow channel has an inlet and an outlet such that airflow flows in through the air guide assembly 100 from the inlet and out the outlet along the airflow channel.
For example, as shown in fig. 1-9, the first swing blade set 2 is located at the first end 11 of the bracket 1, the second swing blade set 3 is located at the second end 12 of the bracket 1, the first swing blade 21 is pivotally connected to the bracket 1 such that the first swing blade 21 rotates between a first position and a second position thereof, the second swing blade 31 is pivotally connected to the bracket 1 such that the second swing blade 31 rotates between a first position and a second position thereof, the first position being the position at which the first swing blade 21 or the second swing blade 31 rotates to a maximum swing angle position toward the first end 11 of the bracket 1, and the second position being the position at which the first swing blade 21 or the second swing blade 31 rotates to a maximum swing angle position toward the second end 12 of the bracket 1. When the first swing blade 21 and the second swing blade 31 are both positioned at the respective second positions, the swing angle α of the first swing blade 21 1 Swing angle alpha of second swing blade 31 2 Satisfy alpha 1 ＜α 2 。
When the airflow flows through the airflow guide assembly 100, the first swing blade 21 and the second swing blade 31, and are respectively driven by the first driving rod 4 and the second driving rod 5 to rotate to the second position, the airflow flows in the airflow channels defined between the first swing blade 21 and the second swing blade 31 or between the adjacent two first swing blades 21, and a part of the airflow flows out obliquely from the outlet towards the second end 12 of the bracket 1 along the extending direction of the first swing blade 21 due to the coanda effect of the airflow, and the inclination angle of the part of the airflow towards the second end 12 of the bracket 1 is smaller due to the smaller swing angle of the first swing blade 21 positioned at the first end 11 of the bracket 1, so that the 'hollow area' at the first end 11 of the bracket 1 is reduced, and the temperature distribution of the outlet of each airflow channel is more uniform.
Here, the angle of the swing blade refers to an angle between an extending direction of the swing blade and a horizontal plane when the swing blade swings up and down, or an angle between a vertical plane parallel to a front-rear direction (for example, front-rear direction of fig. 1) when the swing blade swings left and right.
When the air guide assembly 100 is applied to the air conditioner 200, the air guide assembly 100 is located at the air outlet 101a of the air conditioner 200, so that the "cavity area" at the air outlet 101a can be reduced, and the temperature distribution at the air outlet 101a is uniform, thereby improving the air supply comfort of the air conditioner 200.
According to the wind guide assembly 100 of the embodiment of the present invention, the first driving rod 4 and the first driving rod 4 are provided to drive the first swing blade group 2 and the second swing blade group 3 respectively, so that the maximum angle α of the swing of the first swing blade 21 toward the second end 12 of the bracket 1 1 Maximum angle α of oscillation of the second pendulum leaf 31 towards the second end 12 of the support 1 2 Satisfy alpha 1 ＜α 2 The "hollow area" at the first end 11 of the bracket 1 may be reduced, so that when the air guide assembly 100 is applied to the air conditioner 200, the temperature distribution at the air outlet 101a of the air conditioner 200 is uniform, and the air supply comfort of the air conditioner 200 is improved.
In an embodiment of the invention, the first driving rod 4 and the second driving rod 5 are movably connected, and the first driving rod 4 and the second driving rod 5 are adapted to be driven to move by the same driver 102. For example, in the example of fig. 3 to 8, one end (e.g., the lower end in fig. 4) of the first driving lever 4 and one end (e.g., the upper end in fig. 4) of the second driving lever 5 are movably connected, and the first driving lever 4 and the second driving lever 5 are connected to the same driver 102, so that the driver 102 can simultaneously drive the first driving lever 4 and the second driving lever 5 to move, and thus, there are fewer components and assembly efficiency is high. Of course, the first driving lever 4 and the second driving lever 5 may also be driven by different drivers 102, respectively, to effect movement.
Further, the method comprises the steps of,one of the first driving rod 4 and the second driving rod 5 is provided with an opening 41, the other one of the first driving rod 4 and the second driving rod 5 is provided with a sliding column 51, the sliding column 51 extends into the opening 41 and is matched with the opening 41 in a moving way, the second driving rod 5 is suitable for being connected with a driver 102, and the second driving rod 5 moves until the sliding column 51 contacts with the side wall of the opening 41 to drive the first driving rod 4 to move. The first driving rod 4 and the second driving rod 5 are connected with the opening 41 through the sliding column 51 in a moving fit way, thereby realizing that the driver 102 drives the second driving rod 5 to move to drive the first driving rod 4 to move, and simultaneously enabling the moving distances of the first driving rod 4 and the second driving rod 5 to be different, so as to ensure the maximum angle alpha of the swing of the first swing blade 21 towards the second end 12 of the bracket 1 1 Less than the maximum angle alpha of oscillation of the second oscillating vane 31 towards the second end 12 of the bracket 1 2 。
For example, in the example of fig. 1-9, the opening 41 is formed on the first driving rod 4 and the opening 41 is located at the lower end of the first driving rod 4, the sliding column 51 is provided on the second driving rod 5 and the sliding column 51 is located at the upper end of the second driving rod 5, the sliding column 51 is extended into the opening 41 and the sliding column 51 can move relative to the opening 41 in the opening 41, and when the sliding column 51 contacts with the side wall of the opening 41, the second driving rod 5 can drive the first driving rod 4 to move.
Specifically, as shown in fig. 4-9, the opening 41 has a first side wall 41a and a second side wall 41b disposed opposite to each other, when the first swing blade set 2 and the second swing blade set 3 are both in the initial position, i.e., the swing angle of the first swing blade 21 and the second swing blade 31 is 0 °, the spool 51 contacts the first side wall 41a of the opening 41, the driver 102 operates such that the second driving rod 5 moves toward the second end 12 of the bracket 1, while the first driving rod 4 moves synchronously with the second driving rod 5 under the action of gravity or other action of force until the first swing blade 21 swings to its second position, at which time the first swing blade 21 cannot continue to rotate toward the second end 12 of the bracket 1, and the first driving rod 4 cannot continue to move toward the second end 12 of the bracket 1. Due to the clearance between the sliding column 51 and the second side wall 41b of the opening 41, the second driving rod 5 continues to move towards the second end 12 of the bracket 1 until the second swing blade 31 swings to its second position, at which time the sliding column 51 is connected with the second side wall 41b of the opening 41The contact or still maintains a gap. Thereby, a maximum angle α is achieved which ensures that the first swing blade 21 swings towards the second end 12 of the bracket 1 1 Less than the maximum angle alpha of oscillation of the second oscillating vane 31 towards the second end 12 of the bracket 1 2 。
Of course, the opening 41 is formed on the second driving rod 5 and the sliding column 51 is provided on the first driving rod 4, so that the moving distances of the first driving rod 4 and the second driving rod 5 can be made different, and the maximum angle alpha of the swing of the first swing blade 21 towards the second end 12 of the bracket 1 can be realized 1 Less than the maximum angle alpha of oscillation of the second oscillating vane 31 towards the second end 12 of the bracket 1 2 。
In an alternative embodiment of the present invention, the first swing blade 21 includes a first swing portion 211 and a first fixed portion 212, the first swing portion 211 is pivotally connected to the first driving lever 4, and the first fixed portion 212 is connected to the bracket 1. As shown in fig. 1 to 3, the rear end of the first swing portion 211 is pivotably connected to the front end of the first fixing portion 212, the front end of the first swing portion 211 is pivotably connected to the first driving lever 4, and the rear end of the first fixing portion 212 is connected to the bracket 1. When the first driving rod 4 moves, the front end of the first swinging part 211 is driven to move, and the rear end of the first fixing part 212 is stationary, so that the front end of the first swinging part 211 rotates relative to the rear end of the first fixing part 212, and the rotation of the first swinging blade 21 is realized.
The first fixing portion 212 may be fixedly connected to the bracket 1 or may be pivotally connected to the bracket. For example, in the examples of fig. 1 to 3, the first fixing portion 212 is fixedly connected to the bracket 1, and the first driving rod 4 drives the front end of the first swinging portion 211 to move when moving, and the first fixing portion 212 is stationary, so that the front end of the first swinging portion 211 rotates relative to the rear end of the first swinging portion 211, thereby realizing the rotation of the first swinging blade 21, and meanwhile, since the first fixing portion 212 remains stationary, the rotation angle of the first swinging blade 21 can be controlled by controlling the rotation of the first swinging portion 211 so as to control the flow direction of the air flow, thereby better meeting the practical application.
Alternatively, the second swing blade 31 includes a second swing portion 311 and a second fixed portion 312, the second swing portion 311 and the second fixed portion 312 are pivotably connected, the second swing portion 311 is pivotably connected to the second driving lever 5, and the second fixed portion 312 is connected to the bracket 1. As shown in fig. 1 to 3, the rear end of the second swing portion 311 is pivotably connected to the front end of the second fixing portion 312, the front end of the second swing portion 311 is pivotably connected to the second driving lever 5, and the rear end of the second fixing portion 312 is connected to the bracket 1. When the second driving rod 5 moves, the front end of the second swinging part 311 is driven to move, and the rear end of the second fixing part 312 is stationary, so that the front end of the second swinging part 311 rotates relative to the rear end of the second fixing part 312, thereby realizing the rotation of the second swinging blade 31.
The second fixing portion 312 may be fixedly connected to the bracket 1 or may be pivotally connected to the bracket. For example, in the example of fig. 1 to 3, the second fixing portion 312 is fixedly connected to the bracket 1, and when the second driving rod 5 moves, the front end of the second swinging portion 311 is driven to move, and the second fixing portion 312 is stationary, so that the front end of the second swinging portion 311 rotates relative to the rear end of the second swinging portion 311, thereby realizing the rotation of the second swinging blade 31, and meanwhile, since the second fixing portion 312 remains stationary, the rotation angle of the second swinging blade 31 can be controlled by controlling the rotation of the second swinging portion 311 so as to control the flow direction of the air current, thereby better meeting the practical application.
In a further embodiment of the present invention, a limiting protrusion 212a is provided on at least one of the first swing portion 211 and the first fixing portion 212, and the limiting protrusion 212a is located between the first swing portion 211 and the first fixing portion 212 to limit a rotation angle of the first swing portion 211 with respect to the first fixing portion 212. Thus, by providing the limit projection 212a between the first swing portion 211 and the first fixing portion 212, when the first swing portion 211 swings toward the second end 12 of the bracket 1 to the maximum angle position, both ends of the limit projection 212a are respectively abutted against the first swing portion 211 and the first fixing portion 212, thereby limiting the rotation angle of the first swing portion 211 relative to the first fixing portion 212.
For example, in the example of fig. 1 to 9, one limiting protrusion 212a is provided on the first fixing portion 212, and the limiting protrusion 212a may be located at one end (e.g., the right end in fig. 1) of the first fixing portion 212, and a free end of the limiting protrusion 212a faces the first swinging portion 211, so that when the first swinging portion 211 swings to the maximum angle position, the first swinging portion 211 abuts against the free end of the limiting protrusion 212a, thereby limiting the rotation angle of the first swinging portion 211 relative to the first fixing portion 212.
Of course, the limiting protrusion 212a may be disposed only on the first swing portion 211, or the limiting protrusions 212a are disposed on both the first swing portion 211 and the first fixing portion 212, so as to limit the rotation angle of the first swing portion 211 relative to the first fixing portion 212. When the first swinging portion 211 and the first fixing portion 212 are both provided with the limiting protrusion 212a, the limiting protrusion 212a on the first swinging portion 211 may be disposed opposite to the limiting protrusion 212a on the first fixing portion 212, or the limiting protrusion 212a on the first swinging portion 211 and the limiting protrusion 212a on the first fixing portion 212 may be disposed in a staggered manner. It is understood that the number of the limit protrusions 212a may be set according to practical situations.
Specifically, the limiting protrusion 212a is located below a junction of the first swing portion 211 and the first fixing portion 212. For example, as shown in fig. 4 to 9, the limiting protrusion 212a is located below the pivot centers of the first swing portion 211 and the first fixing portion 212, such that when the first swing portion 211 swings toward the second end 12 of the bracket 1 to the maximum angle position, the free end of the limiting protrusion 212a is stopped against the first swing portion 211, thereby limiting the maximum angle α of the swing of the first swing portion 211 toward the second end 12 of the bracket 1 1 。
Optionally, the surface of the free end of the limit projection 212a is beveled. For example, in the examples of fig. 5, 7 and 9, the stopper protrusion 212a is provided on the first fixing portion 212, and a surface of the stopper protrusion 212a facing one end of the first swing portion 211 is a slope extending obliquely from the first end 11 of the bracket 1 toward the second end 12 of the bracket 1 from front to back. When the first swinging portion 211 swings to the maximum angle towards the second end 12 of the bracket 1, the surface of the end, connected with the first fixing portion 212, of the first swinging portion 211 is attached to the inclined surface, so that surface contact is formed between the first swinging portion 211 and the limiting protrusion 212a, and the limiting reliability of the limiting protrusion 212a is ensured. Of course, the surface of the free end of the limit projection 212a may be a vertical plane or a curved surface.
Further, alpha 1 And alpha is 2 Further satisfies: alpha 1 ≤α 2 /2. That is, the first swing blade 21 is at the second position and has a swing angle α 1 The second swing blade 31 has a swing angle α when in the second position 2 ，α 1 And alpha is 2 Satisfy alpha 1 ≤α 2 2, it is thereby further ensured that the air guiding assembly 100 may reduce the "void area" at the first end 11 of the bracket 1, ensuring uniformity of the temperature distribution. It will be appreciated that α 1 And alpha is 2 The specific numerical relation between the two can be set according to actual conditions so as to better meet actual requirements.
In the embodiment of the present invention, as shown in fig. 1 to 9, the air guiding assembly 100 further includes a third swing vane group 6, the third swing vane group 6 is located between the first swing vane group 2 and the second swing vane group 3, the third swing vane group 6 includes at least one third swing vane 61 rotatably provided on the bracket 1, and each of the third swing vanes 61 swings toward the other end of the bracket 1 by a maximum angle α 3 The method comprises the following steps: alpha 1 ＜α 3 ＜α 2 . Thus, the air guide assembly 100 may also reduce the "void area" at the first end 11 of the bracket 1.
Of course, the third swing blade 61 swings toward the second end 12 of the bracket 1 by the maximum angle α 3 Can also satisfy alpha 1 ＜α 3 ＝α 2 At this time, the third swing blade group 6 and the second swing blade group 3 may be driven by the second driving rod 5 to implement the rotation of the third swing blade 61 and the second swing blade 31 (as shown in fig. 8); or the maximum angle alpha by which the third swing blade 61 swings toward the second end 12 of the bracket 1 3 Satisfy alpha 1 ＝α 3 ＜α 2 At this time, the third swing blade group 6 and the first swing blade group 2 may be both driven by the first driving lever 4 to effect rotation of the third swing blade 61 and the first swing blade 21 (not shown). But is not limited thereto.
In an alternative embodiment of the present invention, the first swing blade group 2 includes a plurality of first swing blades 21, the plurality of first swing blades 21 are spaced apart, and each adjacent two first swing blades 21 are spaced between the mounting points of the bracket 1Distance is L 1 When the second swing blade group 3 includes one second swing blade 31, the distance between one first swing blade 21 of the first swing blade group 2 adjacent to the second swing blade 31 and the mounting point of the second swing blade 31 on the bracket 1 is L 2 ，L 1 And L is equal to 2 The method meets the following conditions: l (L) 1 ＞L 2 . When the air flows through the air guide assembly 100 and the first driving rod 4 and the second driving rod 5 respectively drive the plurality of first swing blades 21 and the second swing blades 31 to rotate to the second positions, the distance L between the mounting points of the adjacent two first swing blades 21 on the bracket 1 is due to 1 The larger cross-sectional dimension of the airflow channels defined between two adjacent first swing blades 21 is larger, so that when the airflow flows in the airflow channels, a part of the airflow can directly pass through the airflow channels 100a and flow out from the outlets along the horizontal direction, thereby further reducing the 'hollow area' at the first section of the bracket 1 and ensuring that the temperature distribution of the outlets of each airflow channel is more uniform.
In other alternative embodiments of the present invention, the first swing blade group 2 includes a plurality of first swing blades 21, the plurality of first swing blades 21 are spaced apart, and a distance between each two adjacent first swing blades 21 at the mounting point of the bracket 1 is L 1 When the second swing blade group 3 includes a plurality of second swing blades 31, the plurality of second swing blades 31 are arranged at intervals, and the interval between the mounting points of every two adjacent second swing blades 31 at the bracket 1 is L 3 ，L 1 And L is equal to 3 The method meets the following conditions: l (L) 1 ＞L 3 . When the air flows through the air guide assembly 100 and the first driving rod 4 and the second driving rod 5 respectively drive the first swing blades 21 and the second swing blades 31 to rotate to the second positions, the distance L between the mounting points of the adjacent two first swing blades 21 on the bracket 1 is due to 1 Larger, a portion of the airflow may pass directly through the airflow channels 100a and exit horizontally from the outlets, thereby also further reducing the "void area" at the first section of the rack 1, resulting in a more uniform temperature distribution at the outlets of the airflow channels.
An air conditioner 200 according to an embodiment of the second aspect of the present invention includes a housing 101 and an air guide assembly 100 according to the above-described embodiment of the first aspect of the present invention.
As shown in fig. 10 and 11, an air outlet 101a and an air inlet are formed on the casing 101, the air outlet 101a is located at the front side of the casing 101, the air inlet may be located at the rear side of the casing 101, the air guide assembly 100 is disposed at the air outlet 101a, the driver 102, the heat exchanger 103 and the wind wheel 104 are all disposed in the casing 101, the driver 102 is connected with the second driving rod 5 to drive the second driving rod 5 and the first driving rod 4 to move, and the driver 102 may be a stepper motor.
When the air conditioner 200 operates, the air flow passes through the air guide assembly 100, the driver 102 drives the first driving rod 4 and the second driving rod 5 to move so as to respectively drive the first swing blade 21 and the second swing blade 31 to rotate towards the second end 12 of the bracket 1 to the maximum swing angle position, and the swing angle of the first swing blade 21 of the first end 11 of the bracket 1 towards the second end 12 of the bracket 1 is smaller, so that the 'cavity area' at the first end 11 of the bracket 1 is reduced, the temperature distribution at the air outlet 101a is more uniform, and the air supply comfort of the air conditioner 200 is improved.
According to the air conditioner 200 of the embodiment of the invention, by adopting the air guide assembly 100, the "cavity area" at the air outlet 101a can be reduced, so that the temperature distribution at the air outlet 101a is more uniform, and the air supply comfort of the air conditioner 200 is improved.
Other constructions and operations of the air conditioner 200 according to the embodiment of the present invention are known to those skilled in the art, and will not be described in detail herein.
An air conditioner 200200 according to an embodiment of the present invention is described below with reference to fig. 1 to 11 in a specific embodiment. It is to be understood that the following description is exemplary only and is not intended to limit the invention in any way.
As shown in fig. 1-11, the air conditioner 200 is a single-flow cabinet, and the single-flow cabinet includes a housing 101, a driver 102, a heat exchanger 103, a wind wheel 104, and a wind guiding assembly 100. Wherein, be formed with vertical air intake and air outlet 101a that extends on the casing 101, the air intake is located the rear side of casing 101, and air outlet 101a is located the front side of casing 101, and driver 102, heat exchanger 103 and wind wheel 104 all are located casing 101, and driver 102 links to each other with second actuating lever 5 through connecting rod 1021 in order to drive second actuating lever 5 and first actuating lever 4 and reciprocate, and wind wheel 104 is the cross flow wind wheel.
The air guide assembly 100 is vertically arranged at the air outlet 101a, and the air guide assembly 100 comprises a first swing blade group 2, a third swing blade group 6 and a second swing blade group 3 which are sequentially arranged at intervals from top to bottom. The first swing blade group 2 includes three first swing blades 21 that are arranged at intervals from top to bottom, the second swing blade group 3 includes four second swing blades 31 that are arranged at intervals from top to bottom, and the third swing blade group 6 includes four third swing blades 61 that are arranged at intervals from top to bottom, where the first swing blades 21, the second swing blades 31 and the third swing blades 61 swing up and down. The first swing blade 21 includes a first swing portion 211 and a first fixing portion 212, the rear end of the first swing portion 211 is pivotably connected to the front end of the first fixing portion 212, the front end of the first swing portion 211 is pivotably connected to the first driving lever 4, and the rear end of the first fixing portion 212 is fixedly connected to the bracket 1; the second swing blade 31 includes a second swing portion 311 and a second fixing portion 312, the rear end of the second swing portion 311 is pivotally connected to the front end of the second fixing portion 312, the front end of the second swing portion 311 is pivotally connected to the second driving lever 5, and the rear end of the second fixing portion 312 is fixedly connected to the bracket 1; the third swing blade 61 includes a third swing portion 611 and a third fixing portion 612, a rear end of the third swing portion 611 and a front end of the third fixing portion 612 are pivotably connected, a front end of the third swing portion 611 is pivotably connected to the second driving lever 5, and the third fixing portion 612 is fixedly connected to the bracket 1. Thereby, the first driving lever 4 moves up and down to drive the first swing blade 21 to rotate, and the second driving lever 5 moves up and down to drive the second swing blade 31 and the third swing blade 61 to rotate.
The first swing blade 21, the second swing blade 31 and the third swing blade 61 may have the same structure, and the first swing blade 21 will be described as an example. As shown in fig. 2, the front end of the first swing portion 211 is formed with a first pivot shaft pivotally connected to the first driving lever 4, the rear end of the first swing portion 211 is formed with a second pivot shaft pivotally connected to the first fixing portion 212, the first driving lever 4 is formed with a first pivot hole cooperating with the first pivot shaft, the first fixing portion 212 is formed with a second pivot hole cooperating with the second pivot shaft, the first swing portion 211 is pivotally connected to the first driving lever 4 by cooperation of the first pivot shaft and the first pivot hole, and the first swing portion 211 is pivotally connected to the first fixing portion 212 by cooperation of the second pivot shaft and the second pivot hole.
As shown in fig. 8, the maximum angle of swing of the first swing blade 21 toward the lower end of the bracket 1 is α 1 The maximum angle of the swing of the second swing blade 31 toward the lower end of the bracket 1 is alpha 2 The maximum angle of oscillation of the third swing blade 61 toward the lower end of the bracket 1 is alpha 3 And alpha is 1 ＜α 3 ＝α 2 The method comprises the steps of carrying out a first treatment on the surface of the As shown in fig. 6, the maximum angle of swing of the first swing blade 21 toward the upper end of the bracket 1 is α 1 The maximum angle of oscillation of the second swing blade 31 toward the lower end of the bracket 1 is alpha 2 The maximum angle of oscillation of the third swing blade 61 toward the lower end of the bracket 1 is alpha 3 ' and alpha 1 ’＝α 3 ’＝α 2 '. Wherein, one end of the first fixing portion 212 facing the first swinging portion 211 is provided with a limit protrusion 212a, and the limit protrusion 212a is positioned between the first swinging portion 211 and the first fixing portion 212 to limit the maximum angle alpha of swinging of the first swinging portion 211 towards the lower end of the bracket 1 1 。
Specifically, as shown in fig. 4 to 9, the lower end of the first driving lever 4 is formed with a through opening 41, the upper end of the second driving lever 5 is provided with a spool 51, the spool 51 extends into the opening 41, and the opening 41 has a first side wall 41a and a second side wall 41b which are opposite up and down. When the first swing blade group 2, the second swing blade group 3 and the third swing blade group 6 are all in the horizontal position, that is, the swing angles of the first swing blade 21, the second swing blade 31 and the third swing blade 61 are 0 degrees, the sliding column 51 contacts with the first side wall 41a of the opening 41, the driver 102 operates so that the second driving rod 5 moves upwards, the first driving rod 4 moves upwards synchronously with the second driving rod 5 under the driving of the sliding column 51, and thus the maximum angles of the upward swing of the first swing blade 21, the second swing blade 31 and the third swing blade 61 are equal; then, the driver 102 operates to move the second driving rod 5 downward, and simultaneously, the first driving rod 4 moves downward synchronously with the second driving rod 5 under the action of gravity or other action force until the rear end of the first swinging part 211 abuts against the limiting protrusion 212a, at this time, the first swinging part 211 cannot continue to rotate downward, and the first driving rod 4 cannot continue to move downward. Because there is a gap between the sliding post 51 and the second side wall 41b of the opening 41, the second driving rod 5 can continue to move downwards under the driving of the driver 102 until the swing angles of the second swing blade 31 and the third swing blade 61 towards the lower end of the bracket 1 are all the largest, and at this time, there is a gap between the sliding post 51 and the second side wall 41b of the opening 41. As shown in fig. 1 to 11, the second driving rod 5 is formed with a plurality of bending parts to avoid other parts of the air conditioner 200, so as to avoid interference with other parts of the air conditioner 200, which results in that the second driving rod 5 cannot move up and down.
As shown in fig. 11, when the air conditioner 200 is in operation, air flows into the air conditioner 200 from the air inlet, exchanges heat with the heat exchanger 103, and flows out from the air outlet 101a under the driving of the wind wheel 104. When the air flows through the air guide assembly 100 and the driver 102 to drive the first driving rod 4 and the second driving rod 5 to move downwards so as to drive the first swing blade 21, the second swing blade 31 and the third swing blade 61 to rotate towards the lower end of the bracket 1 to the maximum swing angle position, and the air flows in the air flow channel defined between the first swing blade 21 and the second swing blade 31 or between two adjacent first swing blades 21, part of the air flows obliquely and flows out towards the lower end of the bracket 1 from the outlet of the air flow channel along the extending direction of the first swing blade 21 due to the coanda effect of the air flow, and the inclination angle of the part of the air flows towards the lower end of the bracket 1 is smaller due to the smaller swing angle of the first swing blade 21 towards the lower end of the bracket 1, so that the 'hollow area' at the first end 11 of the bracket 1 is reduced, the temperature distribution at the air outlet 101a is more uniform, and the air supply comfort of the air conditioner 200 is improved, in particular the air supply comfort under the heating mode of the air conditioner 200 is improved.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims (8)

1. The utility model provides an air conditioner, its characterized in that includes casing and air guide subassembly, be formed with the air outlet on the casing, air guide subassembly establishes air outlet department just includes:
a bracket;
the first swing blade group is positioned at one end of the bracket and comprises a plurality of first swing blades rotatably arranged on the bracket, a plurality of first swing blades are arranged at intervals, and the maximum swing angle of each first swing blade towards the other end of the bracket is alpha 1 The distance between every two adjacent first swing leaves at the mounting points of the bracket is L 1 ；
The second swing blade group is positioned at the other end of the bracket and comprises at least one second swing blade rotatably arranged on the bracket, and the maximum swing angle of each second swing blade towards the other end of the bracket is alpha 2 Said alpha is 1 And said alpha 2 The method meets the following conditions: alpha 1 ＜α 2 ；
The first driving rod is connected with the first swing blade group to drive each first swing blade to swing, the second driving rod is connected with the second swing blade group to drive each second swing blade to swing, an opening is formed in one of the first driving rod and the second driving rod, a sliding column is arranged on the other one of the first driving rod and the second driving rod, the sliding column stretches into the opening and is matched with the opening in a moving way, the first driving rod and the second driving rod are driven to move by the same driver, the second driving rod is connected with the driver and moves to the side wall of the opening to contact with the sliding column to drive the first driving rod to move,
wherein when the second swing blade group comprises one second swing blade, the distance between one first swing blade adjacent to the second swing blade and the mounting point of the second swing blade on the bracket is L 2 The L is 1 And the L is 2 The method meets the following conditions: l (L) 1 ＞L 2 ；
Or when the second swing blade group comprises a plurality of second swing blades, a plurality of second swings She Jiange are arranged, and the distance between the mounting points of every two adjacent second swing blades on the bracket is L 3 The L is 1 And the L is 3 The method meets the following conditions: l (L) 1 ＞L 3 。
2. The air conditioner of claim 1, wherein the first swing blade includes a first swing portion and a first fixed portion, the first swing portion being pivotally connected to the first driving lever, the first fixed portion being connected to the bracket.
3. The air conditioner of claim 1, wherein the second swing blade includes a second swing portion and a second fixing portion, the second swing portion and the second fixing portion being pivotably connected, the second swing portion being pivotably connected to the second driving lever, the second fixing portion being connected to the bracket.
4. The air conditioner according to claim 2, wherein at least one of the first swing portion and the first fixing portion is provided with a limit protrusion, the limit protrusion being located between the first swing portion and the first fixing portion to limit a rotation angle of the first swing portion with respect to the first fixing portion.
5. The air conditioner of claim 4, wherein the limit protrusion is located below a junction of the first swing portion and the first fixing portion.
6. The air conditioner as claimed in claim 4, wherein a surface of the free end of the limit protrusion is a slope.
7. An air conditioner according to any one of claims 1 to 6, wherein the α 1 And said alpha 2 Further satisfies: alpha 1 ≤α 2 /2。
8. The air conditioner of claim 1, further comprising:
a third swing blade set, the third swing blade set is located between the first swing blade set and the second swing blade set, the third swing blade set includes at least one third swing blade rotatably arranged on the support, and a maximum angle of swing of each third swing blade toward the other end of the support is alpha 3 The following are satisfied: alpha 1 ＜α 3 ＜α 2 。
CN201710620479.2A 2017-07-26 2017-07-26 Air guide assembly and air conditioner with same Active CN107345709B (en)

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Publication number Priority date Publication date Assignee Title
CN108758802A (en) * 2018-04-26 2018-11-06 广东美的制冷设备有限公司 Air conditioner and its control method, device
CN111271866B (en) * 2019-07-17 2022-03-01 宁波奥克斯电气股份有限公司 Air conditioner
CN110425719B (en) * 2019-08-05 2024-03-19 广东美的制冷设备有限公司 Air guide assembly and air conditioner indoor unit
CN114305154A (en) * 2022-02-16 2022-04-12 杭州老板电器股份有限公司 Oven heating fan flow guide device and control method

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CN204176863U (en) * 2014-09-19 2015-02-25 广州华凌制冷设备有限公司 Wind guiding component, ducting assembly and there is its air processor
CN104748340A (en) * 2015-03-31 2015-07-01 广东美的制冷设备有限公司 Air guide mechanism and air conditioner with same
CN207073931U (en) * 2017-07-26 2018-03-06 广东美的制冷设备有限公司 Wind guiding component and there is its air conditioner

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JPH06313614A (en) * 1992-08-26 1994-11-08 Mitsubishi Electric Corp Air direction adjustment device for air conditioner
JP2013167151A (en) * 2013-05-10 2013-08-29 Kikukawa Kogyo Kk Vertical louver
CN204176863U (en) * 2014-09-19 2015-02-25 广州华凌制冷设备有限公司 Wind guiding component, ducting assembly and there is its air processor
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