CN108626788B - Wall-mounted air conditioner indoor unit - Google Patents
Wall-mounted air conditioner indoor unit Download PDFInfo
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- CN108626788B CN108626788B CN201710183510.0A CN201710183510A CN108626788B CN 108626788 B CN108626788 B CN 108626788B CN 201710183510 A CN201710183510 A CN 201710183510A CN 108626788 B CN108626788 B CN 108626788B
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- rotating ring
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- circular
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- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 238000004378 air conditioning Methods 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 17
- 239000003507 refrigerant Substances 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 description 4
- 238000010408 sweeping Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1413—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1426—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1486—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 bearings, pivots or hinges
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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 provides a wall-mounted air conditioner indoor unit, which comprises: the casing and at least one wind-guiding structure. Each air guide structure is correspondingly arranged at the rear side of one circular air outlet. Each wind-guiding structure includes: fixed bolster, a plurality of preforming, swivel ring, a plurality of gyro wheel and two pendulum leaf subassemblies. The inner side of the fixed bracket is provided with a circular cavity. The plurality of pressing sheets are arranged at intervals and fixedly on the inner side periphery of the circular cavity. The rotating ring is arranged at the inner sides of the pressing sheets and can controllably rotate around the central axis of the pressing sheets. Two swing blade assemblies are arranged on the rotating ring at intervals, each swing blade assembly comprises a plurality of swing blades, and the root of each swing blade is provided with a rotating shaft. The user can adjust the rotating ring rotation earlier, confirms the circumference air-out direction of circular air outlet, adjusts the pendulum leaf rotation again, confirms the radial air-out direction of circular air outlet. The swinging blade has more various swinging angles, and a user can more freely adjust the air supply angle of the air outlet.
Description
Technical Field
The present invention relates to air conditioning devices, and more particularly to an indoor unit of a wall-mounted air conditioner.
Background
The traditional wall-mounted air conditioner generally adopts a rectangular air outlet, a transverse grating and a longitudinal grating are generally arranged on the air outlet, the air guide in the vertical direction is realized through the transverse grating, and the air guide in the left and right directions is realized through the longitudinal grating. However, when the traditional air guide structure guides air through swinging the horizontal grids and the vertical grids, the phenomenon of grid shaking is easy to occur, the noise is high, the air supply angle is small due to the limited swing angle of the grids, and the design of the grids also blocks part of air, so that the air supply distance and the air supply effect are influenced.
In order to solve the problems, some existing air conditioners adopt a circular air outlet structure, and air deflectors are not arranged at air outlets. After the indoor unit is started, the air flow in the indoor unit is directly led out by utilizing a hollow drainage mode. However, in these indoor units with circular air outlets, since the air outlet has no shielding structure, external dust can easily enter the indoor unit, which affects the air quality of the air outlet flow of the air conditioner. In addition, these indoor units cannot guide the airflow direction at the air outlet, so that the cold air/hot air is easily blown directly, which affects the user experience.
Disclosure of Invention
In view of the above, the present invention has been made to provide a wall-mounted air conditioning indoor unit that overcomes or at least partially solves the above-mentioned problems.
A further object of the present invention is to adjust the blowing angle of the outlet.
Another further object of the present invention is to make the air guiding structure of the air outlet of the air conditioner operate more stably.
According to an aspect of the present invention, there is provided a wall-mounted type air conditioning indoor unit, including: the air conditioner comprises a shell, wherein the front side surface of the shell is provided with at least one circular air outlet; and at least one wind-guiding structure, every wind-guiding structure corresponds and sets up in the rear side of a circular air outlet, and every wind-guiding structure includes: the inner side of the fixed bracket is provided with a circular cavity with an opening facing to the front side; the rotating ring is arranged in the circular cavity, is arranged opposite to the circular air outlet and is configured to controllably rotate around the central axis of the rotating ring; the pressing sheets are arranged at intervals and fixedly arranged on the periphery of the inner side of the circular cavity, the rotating ring is arranged on the inner side of the pressing sheets, and each pressing sheet is provided with a first fixing column extending along the direction of the central axis of the rotating ring; the plurality of rollers are respectively sleeved on one first fixing column, are in contact with the outer edge of the rotating ring and are used for assisting in matching with the rotating ring to rotate; the two swing blade assemblies are arranged on the rotating ring at intervals, each swing blade assembly comprises a plurality of swing blades, and the plurality of swing blades are positioned on the inner side of the rotating ring; each swing blade has a rotation shaft at its root facing the rotation ring, and is configured to rotate around the rotation shaft.
Optionally, the swing blade assembly further comprises: and the swinging blade driving mechanism is connected with the swinging blades and is configured to drive the swinging blades to synchronously rotate around the respective rotating shafts.
Optionally, the swing blades of the two swing blade assemblies are symmetrically arranged about one diameter of the rotating ring, and the rotation axes of the two swing blades which are symmetrical to each other are on the same straight line.
Optionally, a plurality of round holes are circumferentially arranged at intervals on the rotating ring, and the tail end of the rotation shaft of each swing blade penetrates through the corresponding round hole.
Optionally, the wind guiding structure further includes: a rotating ring motor; the rotating ring gear is arranged on an output shaft of the rotating ring motor; the periphery of the outer side of the rotating ring is provided with an arc-shaped rack, the rotating ring gear is meshed with the arc-shaped rack, and the rotating ring motor drives the rotating ring to rotate through the rotating ring gear and the arc-shaped rack.
Optionally, each swing blade drive mechanism comprises: the curved connecting rod is arranged at the rear side of the rotating ring; the rocking bars are arranged on the curved connecting rod at intervals; one end of each rocker is pivotally connected to the curved connecting rod, and the other end of each rocker is fixedly connected with the tail end of a rotating shaft of one swing blade; the connecting rod motor is fixed on the rotating ring; and the two ends of the crank are respectively connected with one end of the curved connecting rod and an output shaft of the connecting rod motor in a pivoting manner, so that the connecting rod motor drives the curved connecting rod to move along the direction vertical to the rotating shaft of the swinging blade through the crank, and therefore the swinging blades of the plurality of the swinging blades are enabled to rotate.
Optionally, the number of the pressing sheets is three, and the rotating ring motor and the three pressing sheets are arranged at equal intervals along the outer periphery of the rotating ring.
Optionally, an annular groove is further formed on the outer periphery of the rotating ring; each pressing sheet is further provided with a second fixing column extending along the radial direction of the rotating ring, and the second fixing columns extend into the annular groove to limit the position of the rotating ring.
Optionally, the indoor unit of an air conditioner further includes: each opening and closing structure is correspondingly arranged at one circular air outlet; each opening and closing structure includes: the central baffle is fixedly arranged in the center of the circular air outlet, and an air outlet area is formed between the outer periphery of the central baffle and the inner periphery of the corresponding circular air outlet; and a plurality of curved blades, which are sequentially arranged along the circumferential direction of the central baffle, are configured to gather towards the center of the central baffle to at least partially open the air outlet region, and are also configured to expand towards the direction away from the center of the central baffle to at least partially close the air outlet region.
Optionally, the indoor unit of an air conditioner further includes: the air inlet is arranged at the back of the shell; each axial flow fan is correspondingly arranged on the rear side of one air guide structure and used for supplying air to the corresponding circular air outlet; and the heat exchanger is arranged at the rear sides of the axial flow fans, and a refrigerant flows inside the heat exchanger to heat or refrigerate.
The wall-mounted air conditioner indoor unit provided by the invention is also provided with a special air guide structure, and the swinging blade of the air guide structure can rotate around the rotation shaft and can also revolve around the center of the rotating ring along with the rotation. In the use process of the indoor unit, a user can firstly adjust the rotation of the rotating ring to determine the wind sweeping direction of the circular air outlet, such as up-down wind sweeping, left-right wind sweeping and wind sweeping inclined by 45 degrees, and then adjust the rotation of the swinging blades to sweep wind. Alternatively, the sweep is performed simultaneously during the rotation of the rotary ring to blow out natural wind as much as possible. The swinging blade has more various swinging angles, and a user can more freely adjust the air supply angle of the air outlet.
In addition, a plurality of gyro wheels cover is located on the first fixed column of a plurality of preforming, and a plurality of gyro wheels contact with the outer fringe of swivel becket for supplementary cooperation swivel becket rotates. The outer side of the rotating ring of the present invention is positioned adjacent to the inner edge of the plurality of preforms. Still set up a plurality of gyro wheels on the first fixed column of a plurality of preforming, the outer fringe laminating of a plurality of gyro wheels and swivel becket. The roller wheels can limit the rotating ring on one hand, so that the rotating ring does not deviate from the rotating movement track under the action of external force, on the other hand, the rotating ring can move more smoothly, and the stability of the operation of the air guide structure of the air outlet of the air conditioner is improved.
Furthermore, the number of the pressing sheets is three, and the rotating ring motor and the three pressing sheets are arranged at equal intervals along the outer periphery of the rotating ring. The four-point fixed design enables the rotating ring to run more stably and the noise to be smaller.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic front view of a wall-mounted air conditioning indoor unit according to an embodiment of the present invention;
fig. 2 is a schematic front view of a wall-mounted air conditioning indoor unit according to an embodiment of the present invention;
fig. 3 is a schematic front view of an opening and closing structure of a wall-mounted air conditioning compartment according to an embodiment of the present invention;
fig. 4 is an exploded view illustrating an opening and closing structure of a wall-mounted type air conditioning compartment according to an embodiment of the present invention;
FIG. 5 is a schematic front view of a curved blade of an opening and closing structure according to another embodiment of the present invention;
FIG. 6 is a schematic top view of a curved blade of an opening and closing structure according to another embodiment of the present invention;
FIG. 7 is a schematic bottom view of a curved blade of an opening and closing structure according to another embodiment of the present invention;
FIG. 8 is a schematic rear view of an opening and closing structure according to one embodiment of the present invention;
FIG. 9 is a schematic rear view of an opening and closing structure according to one embodiment of the present invention;
fig. 10 is a schematic rear view of an opening and closing structure according to another embodiment of the present invention;
fig. 11 is a schematic rear view of an opening and closing structure according to another embodiment of the present invention;
fig. 12 is an exploded view illustrating a wall-mounted type air conditioning indoor unit according to an embodiment of the present invention;
fig. 13 is a schematic front view of a wind guide structure of a wall-mounted air conditioning indoor unit according to an embodiment of the present invention;
fig. 14 is an exploded view of a wind guide structure of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention;
fig. 15 is a schematic enlarged view of a rotary ring and a pressing plate of a wind guide structure of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention;
fig. 16 is a schematic view illustrating a rotary ring of a wind guide structure of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention;
fig. 17 is a schematic view of a curved link of a wind guide structure of a wall-mounted air conditioning indoor unit according to an embodiment of the present invention;
fig. 18 is a schematic rear view of a wall-mounted air conditioning indoor unit according to an embodiment of the present invention;
fig. 19 is a side view of a wall-mounted air conditioning indoor unit according to an embodiment of the present invention;
fig. 20 is an exploded view illustrating a hanger of a wall-mounted indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 21 is a schematic view of a hanger plate of a wall-mounted air conditioning indoor unit according to an embodiment of the present invention.
Detailed Description
An embodiment of the present invention provides a wall-mounted air conditioner indoor unit, which may include a casing 10. The front side surface of the housing 10 is provided with at least one circular air outlet 11. For example, the circular outlets 11 may be provided in plural, preferably two, and arranged in line in the longitudinal direction of the indoor unit. The wall-mounted air conditioning indoor unit further includes an opening and closing structure 20 for the circular outlet 11. As shown in fig. 1-4, each opening and closing structure 20 may include a central baffle 21 and a plurality of curved blades 22.
The central baffle 21 is fixedly disposed at the center of the circular outlet 11, and an air outlet area is formed between the outer periphery of the central baffle and the inner periphery of the circular outlet 11. For example, the central baffle 21 may be circular, and the corresponding outlet area is annular. In alternative embodiments of the present invention, the central baffle 21 may have other shapes such as a square shape, an oval shape, and the like.
The plurality of curved blades 22 are arranged in series in the circumferential direction of the central baffle 21, and for example, the number of the curved blades 22 may be 6 and may be arranged uniformly along the circumference of the central baffle 21. In other embodiments, the number of the blades may also be less than 6 or more than 6, and may be specifically set according to the size of the blades, the size of the central baffle 21, and the size of the circular air outlet 11. The plurality of curved blades 22 may converge toward the center of the central baffle 21 to at least partially open the wind outlet region, and may converge completely to the front or rear side of the central baffle 21. Preferably, the air outlet can be completely gathered and contracted to the rear side of the central baffle 21, that is, when the plurality of curved blades 22 are in the completely gathered state, the central baffle 21 can shield the plurality of curved blades 22, and the user cannot observe the curved blades 22 from the outside of the air outlet, as shown in fig. 2. The plurality of curved blades 22 may also be flared away from the center of the central baffle 21 to at least partially enclose the wind exit region. As shown in fig. 1, the plurality of curved blades 22 can be unfolded to completely cover the annular air outlet region, so as to achieve the overall sealing of the air outlet.
Fig. 5, 6 and 7 are schematic front, top and bottom views, respectively, of the curved blades 22 of the opening and closing structure 20 according to another embodiment of the present invention. As shown in fig. 5 to 7, the curved blade 22 is approximately crescent shaped having an outer profile edge portion which is convex and an inner profile edge portion which is concave. The inner contour edge portion is disposed toward the center of the central baffle when the plurality of curved blades are gathered, and accordingly, the outer contour edge portion may face the inner periphery of the circular outlet when the plurality of curved blades are gathered, as shown in fig. 9. The outer and inner contoured edge portions together define the root and tip ends of the curved blade 22.
As shown in fig. 5-7, in some embodiments of the invention, the outer contoured edge portion of the curved blade 22 includes a first circular arc-shaped section 221 and a second circular arc-shaped section 222. The inner contour edge portion comprises a third circular arc shaped section 223 and a fourth circular arc shaped section 224. The first and fourth circular arc-shaped sections 221, 224 are progressively closer towards the root end of the curved blade 22, such that the root end of the curved blade 22 forms a tapered curved region. The second and third circular arc-shaped sections 222, 223 are progressively closer towards the tip of the curved blade 22 so that the tip of the curved blade 22 also forms a tapered curved region. That is, the first and fourth circular arc-shaped sections gradually approach in a direction towards the root end of the curved blade such that the root end of the curved blade forms a tapered curved region. The second and third circular arc shaped sections are gradually closer together in a direction towards the tip of the curved blade so that the tip of the curved blade forms a tapered curved region.
In some preferred embodiments of the present invention, the curvature of the first circular arc-shaped section 221 is equal to the curvature of the outer periphery of the central baffle 21, so that when the plurality of curved blades 22 are completely gathered to the rear side of the central baffle 21, the first circular arc-shaped section 221 of the plurality of curved blades 22 coincides with the outer periphery of the central baffle 21, as shown in fig. 9. And a partial region of each of the curved blades 22 is located between two adjacent ones of the curved blades 22 after the plurality of curved blades 22 are gathered. The curvature of the second arc-shaped section 222 is equal to the curvature of the inner periphery of the air outlet, so that when the plurality of curved blades 22 are fully unfolded to cover the air outlet region, the second arc-shaped section 222 of the plurality of curved blades 22 is overlapped with the inner periphery of the air outlet, as shown in fig. 8. By such design, the plurality of curved blades 22 can be completely folded to the rear side of the central baffle 21 or completely unfolded to shield the air outlet area, so that the appearance of the air outlet is more complete and beautiful.
In addition, the curvature and length of the third circular arc shaped section 223 are both equal to the curvature and length of the first circular arc shaped section 221. In this embodiment, when the plurality of curved blades 22 are completely unfolded to cover the air outlet region, as shown in fig. 8, the first arc-shaped section 221 and the third arc-shaped section of two adjacent curved blades 22 are just spliced together, so that the plurality of curved blades 22 can completely cover the air outlet region, and meanwhile, the adjacent curved blades 22 are not overlapped as much as possible, so that the size of the curved blades is fully utilized, and the appearance of the air outlet is more complete and beautiful.
In some embodiments of the invention, to facilitate the gathering and unfolding of the plurality of curved blades, each curved blade is preferably rotatably disposed about its root end on either the front or rear side of the central barrier. For example, as shown in fig. 8 and 9, each curved blade is rotatable about its root end to the rear side of the central barrier, with a plurality of curved blades arranged in a stack one above the other.
Further, the first arc-shaped section 221 further has a guiding flange 225 that is gradually higher from the root end adjacent to the curved blade 22 to the direction away from the root end, so as to guide the curved blades 22 in the front-rear direction of the indoor unit when the curved blades 22 are contracted or expanded, so that the curved blades 22 can be at least partially overlapped. Specifically, after the plurality of curved blades are gathered, a partial region of the tip of one curved blade 22 is located on the rear side of a partial region of the root end of the other curved blade 22 in each adjacent two curved blades 22, and the first arc-shaped section of each curved blade has a guide flange protruding toward the rear side of the curved blade and gradually rising from the root end adjacent to the curved blade toward the direction away from the root end. Or, after the plurality of curved blades are gathered, in every two adjacent curved blades 22, a partial region of the tip of one curved blade 22 is located at the front side of a partial region of the root end of the other curved blade 22, and the first arc-shaped section of each curved blade has a guide flange which protrudes to the front side of the curved blade and is gradually higher from the root end adjacent to the curved blade to the direction far away from the root end.
This is so because during the collapsing of the plurality of curved blades 22, there may be mechanical interference between adjacent curved blades 22. The guide flange 225 is located at a lower position near the root end and a higher position away from the root end, and when the adjacent curved blades 22 are folded to overlap each other, the guide flange 225 can guide the adjacent blades to slightly move toward the rear side so that the adjacent curved blades 22 are staggered in the front-rear direction of the opening and closing structure 20 to prevent mechanical interference.
In some embodiments of the invention, the root end of the curved blade 22 is provided with a blade pivot 26, and the curved blade 22 is pivotally connected to the rear side of the central barrier 21 adjacent the edge by the blade pivot 26, such that the curved blade 22 can rotate bi-directionally about the blade pivot 26. The plurality of curved blades 22 are spread or gathered by rotation about the blade pivot axis 26. As shown in fig. 8 and 9, when the plurality of curved blades 22 are rotated clockwise (as viewed from the direction in which the viewer points from the rear side to the front side of the wall-mounted air conditioning indoor unit) about the blade rotation shaft 26 from the state of fig. 8, they are folded toward the center barrier 21 to the position of fig. 9. When the plurality of curved blades 22 are rotated counterclockwise around the blade rotation axis 26 from the state of fig. 9, they are rotated and spread toward the outlet edge, and the position state of fig. 8 can be restored.
In some embodiments of the present invention, the opening and closing structure 20 further comprises a curved blade drive mechanism. The curved blade driving mechanism is used for driving each curved blade 22 to rotate along the blade rotating shaft 26 thereof so as to open or close the wind outlet area. For example, in some alternative embodiments, the curved blade drive mechanism may be a plurality of linkages, each linkage associated with a corresponding curved blade 22, and a stepper motor coupled to the plurality of linkages. The stepper motor rotates the curved blade 22 through a linkage mechanism.
As shown in fig. 10 and 11 (and to illustrate more clearly the principle of operation of the curved blade 22 drive mechanism, only a single curved blade 22 is shown in fig. 10 and 11), in some preferred embodiments of the invention the curved blade drive mechanism may include a steering wheel 23. The guide plate 23 is circular, is disposed behind the center fence 21, has a center coinciding with the center of the center fence 21, and is rotatable in both directions about a straight line passing through the center of the guide plate and perpendicular to the plane in which the guide plate is disposed, i.e., rotatable about its central axis in a first direction or rotatable about its central axis in a second direction opposite to the first direction.
Further, the rear side surface of the guide tray 23 is provided with a plurality of curved guide grooves 231 extending from the middle portion (may also be referred to as a middle region, a central region) to the edge of the guide tray 23. The number of curved guide slots 231 is the same as the number of curved blades 22, each curved guide slot 231 cooperating with a corresponding curved blade 22. For example, each curved blade further comprises a guiding stud 27, one end of the guiding stud 27 being fixable to the rear side of the curved blade 22 and the other end being snapped into the corresponding curved guiding slot 231. That is, each curved guide slot is adapted to receive a guide post to force the guide post along the curved guide slot to rotate the corresponding curved blade as the guide post is rotated in both directions about its central axis.
In some preferred embodiments of the invention, the guiding studs 27 may be arranged at the edge of the inner profile of the curved blade 22, and the guiding studs 27 are perpendicular to the plane of the guiding plate 23. Preferably, the guide post 27 may be located on the guide post fixing section between the third circular arc section 223 and the fourth circular arc section 224, and the guide post 27 and the blade rotation shaft 26 protrude toward the same direction. Further, the distance from the point on the guide groove 231 to the blade rotation axis 26 of the corresponding curved blade 22 gradually increases in the radial direction of the guide disk 23. That is, the distance from the point of the guide groove 231 near the edge of the guide disk 23 to the vane rotary shaft 26 is greater than the distance from the point near the center of the guide disk 23 to the vane rotary shaft 26.
In actual use, as shown in fig. 10, when the curved blades 22 are in the fully extended state, the guide posts 27 are located in the guide slots 231 near the edges of the guide discs 23. When the curved blades 22 need to be furled, the guiding disc 23 is driven to rotate clockwise, the distance from the curved guiding slot 231 to the blade rotating shaft 26 corresponding to the curved blade 22 increases, the guiding post 27 is forced to slide along the curved guiding slot 231 toward the center position of the guiding disc 23, and the curved blades 22 are driven to rotate and furl toward the center direction of the central baffle 21, as shown in fig. 11. When the guide posts 27 move to the end of the curved guide slots 231 near the center of the guide plate 23, the curved blades 22 are fully retracted to the rear side of the central baffle 21. When the curved blades 22 need to be unfolded, the guiding disc 23 is driven to rotate counterclockwise, the distance from the curved guiding slot 231 to the blade rotating shaft 26 corresponding to the curved blades 22 is reduced, the guiding column 27 is forced to slide along the curved guiding slot 231 towards the edge position of the guiding disc 23, and the curved blades 22 are driven to rotate and unfold towards the edge direction of the circular air outlet 11. When the guide posts 27 move to the end of the curved guide slots 231 near the edge of the guide disk 23, the curved blades 22 are fully deployed to close the wind outlet region.
In some embodiments of the present invention, in order to facilitate the rotation of the guiding disc 23, the middle portion of the guiding disc 23 further has a circular opening 233, and a ring gear is disposed around the inner side of the circular opening 233. The curved blade drive mechanism may also include a steering wheel gear and steering wheel motor 25. The guide disc gear is arranged in the circular opening 233 of the guide disc 23 and is meshed with the gear ring on the inner side of the circular opening 233, and the guide disc motor 25 is used for driving the guide disc gear to rotate so as to drive the guide disc 23 to rotate. The steering wheel motor 25 may be a rotary motor.
In some embodiments of the invention, further, in order that the guide disc 23 does not deviate from the track during rotation, the edge of the central baffle 21 may be provided with a flange projecting rearwards, in the area of which the guide disc 23 rotates. Preferably, the periphery of the flange may further be provided with a plurality of shaft fixing pieces 211 protruding toward the center of the guide plate 23. The pivot fixing pieces 211 can be used to set the blade pivot 26 of the curved blade 22, on the one hand, and to define the movement path of the guide disk 23 in the front-rear direction, on the other hand.
In some embodiments of the present invention, the guiding plate 23 is further provided with a plurality of limiting grooves 232, which are arranged at intervals along a concentric circle on the guiding plate 23. And each limit groove 232 is arc-shaped and is arranged coaxially with the guide disc 23. The number of the guide grooves 231 is preferably 3. The rear side of the central baffle 21 is correspondingly provided with a plurality of limiting columns 212. Each of the restraint posts 212 extends into the restraint slot 232, respectively. During rotation of the guide disc 23, the restraint posts 212 move relative to the restraint slots 232. When the guide disc 23 rotates to a certain extent, the stopper post 212 moves to the end of the stopper groove 232 and prevents the guide disc 23 from further rotating. The above-mentioned limit groove 232 is used to prevent the guide plate 23 from rotating excessively and the guide post 27 from disengaging from the guide plate 23.
In addition, a rear side guard 24 may be installed at the rear side of the guide plate 23 to cover the guide plate 23.
Fig. 12 is an exploded view of a wall-mounted air conditioning indoor unit according to an embodiment of the present invention. In the figure, the positive direction of the X axis points to the front side of the wall-mounted air conditioner indoor unit, the positive direction of the Y axis points to the right side of the indoor unit, and the positive direction of the Z axis points to the upper side of the indoor unit. As shown in fig. 12 and with reference to fig. 13 to 16, the wall-mounted air conditioning indoor unit further includes: a plurality of air guiding structures 30. Each air guiding structure 30 is correspondingly disposed at the rear side of one circular air outlet 11, and may also be disposed at the rear side of the corresponding opening and closing structure 20. Each air guiding structure 30 comprises a rotating ring 33 and two swinging blade assemblies.
The inner circumference of the rotating ring 33 may coincide with the inner circumference of the circular outlet 11 in the up-down and left-right directions of the indoor unit, that is, the inner circumference of the rotating ring 33 is disposed at the rear side of the inner circumference of the circular outlet 11. The rotating ring 33 is rotatable about its central axis. In this embodiment, the wind guiding structure 30 further includes a rotating ring motor 331 and a rotating ring gear disposed on an output shaft of the rotating ring motor 331, an arc-shaped rack is correspondingly disposed on an outer peripheral edge of the rotating ring 33, and the rotating ring gear is engaged with the arc-shaped rack to drive the rotating ring 33 to rotate. The inner peripheral surface of the rotating ring 33 is further opened with a plurality of circular holes 332, in this embodiment, the number of the circular holes 332 is 12, and the 12 circular holes 332 are symmetrically arranged by taking one diameter of the rotating ring 33 as an axis, that is, 6 circular holes 332 are respectively arranged on each side of the symmetry axis.
The two swing blade assemblies can be arranged on the rotating ring 33 at intervals, each swing blade assembly comprises a swing blade driving mechanism and a plurality of swing blades 34, the plurality of swing blades 34 are positioned on the inner side of the rotating ring, the root of each swing blade 34 is provided with a rotating shaft 341, and the tail end of the rotating shaft 341 can penetrate through the round hole 332. The swing blade driving mechanism is configured to drive the plurality of swing blades 34 to rotate synchronously about the respective rotation shafts 341. The swing blades 34 of the two swing blade assemblies are also symmetrically arranged about the above-mentioned one diameter of the rotating ring 33, and the rotation shafts 341 of the two swing blades 34 that are symmetrical to each other are on the same straight line, as shown in fig. 13. The size of the swing blade 34 can be set according to the size of the air outlet area.
In some embodiments of the present invention, each of the swing blade driving mechanisms may rotate following the rotation ring 33, and includes: a curved link 35, a plurality of rockers 36, a crank, and a link motor 351. The curved link 35 is disposed at the rear side of the rotating ring 33. The curvature of the curved link 35 may conform to the rotation ring 33 such that the curved link 35 may be partially hidden behind the rotation ring 33. Furthermore, the plane of the curved link is parallel to the plane of the rotating ring. The two curved links 35 are also arranged symmetrically about the above-mentioned one diameter of the swivel ring 33 as an axis of symmetry. One end of each crank is mounted to the output shaft of the corresponding link motor 351 and the other end is connected to the end of the corresponding curved link 35. The link motor 351 drives the crank to rotate, thereby moving the curved link 35 in a direction perpendicular to the swing blade rotation shaft 341. A plurality of rocker arms 36 of each swing blade driving mechanism are arranged on the curved connecting rod 35 of the swing blade driving mechanism at intervals, and one end of each rocker arm 36 is connected with the curved connecting rod 35 through a rotating shaft; the other end extends to the outside of the inner peripheral surface of the rotary ring 33 and is connected to the tip end of the corresponding swing vane 34. When the connecting rod motor 351 drives the curved connecting rod 35 to move along the direction vertical to the rotation axis of the swinging blade, the swinging blade 34 is driven by the rocker 36 to rotate.
In the present embodiment, the rotation range of the rotation ring is preferably 0 to 90 °. The working process of the air guiding structure 30 is as follows: the rotating ring 33 rotates to a predetermined position to drive the rotating shafts 341 of the plurality of swing blades 34 to move to a position at a specific angle with respect to the horizontal plane, and then the rotating angle of the swing blades 34 is adjusted according to the user's requirement. Specifically, when the user needs the indoor unit to wind in the up-down direction, the rotary ring 33 is rotated to 0 ° first. At this time, the rotation shaft 341 is in the horizontal position, as shown in the right air outlet of the indoor unit in fig. 2, and at this time, the two curved connecting rods 35 are driven to move up and down, so as to drive the plurality of swing blades 34 to turn over up and down. When the plurality of swing blades 34 are turned upwards, the circular air outlet 11 blows air upwards; when the swing blades 34 are turned down, the circular air outlet 11 blows air downwards. When the user needs to let air out from the indoor unit in the left-right direction, the rotating ring 33 rotates to 90 degrees first. At this time, the rotation shaft 341 is in the vertical direction, as shown in fig. 2, at the left air outlet of the indoor unit, and at this time, the two curved connecting rods 35 are driven to move, so as to drive the plurality of swing blades 34 to turn left and right. When the swing blades 34 are turned left, the circular air outlet 11 discharges air to the left; when the swing blades 34 are turned right, the circular air outlet 11 discharges air right.
In this embodiment, as shown in fig. 13, each wind guiding structure 30 may further include: a plurality of pressing pieces 32 and a fixing bracket 31. The inside of the fixing bracket 31 has a circular cavity opening toward the front side of the indoor unit. The bottom surface of the circular cavity, i.e. the rear side surface of the fixing bracket 31, is provided with a grating, the grating strips of which extend divergently from the center of the fixing bracket 31 towards the edge. A plurality of pressing sheets 32 are fixedly arranged on the inner side edge of the circular cavity, and first fixing columns 301 and second fixing columns 302 are arranged on the pressing sheets 32. The first fixing column 301 extends in the direction of the central axis of the rotating ring 33, and the second fixing column 302 extends in the radial direction of the rotating ring 33. In this embodiment, the number of the pressing sheets 32 may be 3, and the rotating ring motor 331 and the three pressing sheets 32 are disposed at equal intervals along the outer circumference of the rotating ring 33, so that the rotating ring 33 is more stable. The rotating ring 33 is disposed inside the pressing pieces 32, that is, the outer side of the rotating ring 33 is disposed near the inner edges of the pressing pieces 32. A roller 321 is further sleeved on the first fixing post 301 of each pressing plate 32, and the plurality of rollers 321 contact the outer edge of the rotating ring 33. The roller 321 can restrict the rotating ring 33 from deviating from the moving track of the rotating ring due to the external force, and can make the rotating ring 33 move more smoothly. In addition, an annular groove 333 is provided on the outer periphery of the rotating ring 33. Each presser plate 32 is further provided with a second fixing post 302 extending in the radial direction of the rotary ring 33, the second fixing post 302 projecting into the annular groove 333 to define the position of the rotary ring 33. In particular, during the rotation of the rotating ring 33, the second fastening stud 302 is always located in the annular groove 333, so that the rotating ring 33 is prevented from deviating from its installation position in the direction of its central axis.
In this embodiment, the rear side blocking plate 24 can be fixedly installed on the disk at the center of the fixing bracket 31 to realize the assembly connection between the opening and closing structure 20 and the air guiding structure 30.
In some embodiments of the present invention, as shown in fig. 18 to 21, the wall-mounted air conditioning indoor unit further includes an air inlet 13. The wall-mounted air conditioner indoor unit of the embodiment is different from the existing wall-mounted air conditioner indoor unit in air inlet modes, and the existing wall-mounted air conditioner indoor unit generally adopts an upper air inlet mode. In the present embodiment, the air inlet 13 is disposed on the rear side surface of the casing 10, that is, the wall-mounted air conditioning indoor unit of the present embodiment adopts a rear air inlet mode. In order to realize the back air inlet of the indoor unit, the indoor unit of the wall-mounted air conditioner is obliquely hung on the wall in the embodiment. Specifically, as shown in fig. 18, a hanger 60 is further provided at a rear side surface of the air-conditioning case 10. The hanger 60 includes two hanging plates 61 and a wall hanging device.
As shown in fig. 21, the hanging plate 61 of the present embodiment includes: a first section plate 611, a second section plate 612, a third section plate 613 and a fourth section plate 614 which are connected from top to bottom in sequence. The third section plate is vertically arranged, the second section plate is arranged by the top end of the third section plate in a forward and upward extending mode, the first section plate is arranged by the top end of the second section plate in a forward and upward extending mode, and the fourth section plate is arranged by the bottom end of the third section plate in a forward and downward extending mode. The first section plate 611 has a larger inclination angle with respect to the vertical direction than the second section plate 612 such that the top of the link plate 61 protrudes forward. In addition, the third segment plate serves as the main load-bearing part in the cladding plate, the length of which is longest among the four segment plates.
A hanging piece 615 protruding backwards and extending downwards is arranged on the rear side of the second section plate 612. The fourth sectional plate 614 is located at the bottom of the link plate 61, and has a larger inclination angle with respect to the vertical direction than the first sectional plate 611. The top end of the first section 611 and the bottom end of the fourth section plate 614 are also provided with a connecting rib 616 for connecting the rear top and the rear bottom of the housing. For example, the rear bottom of the housing 10 is provided with a cavity extending in the lateral direction and opening rearward. The fourth section plate 614 may extend into the cavity, the upper surface of the fourth section plate 614 abuts against the upper side wall of the cavity, and the lower connecting rib 616 may connect with the cavity.
The wall-mounting means may include a wall-mounting plate 63 installed on a wall surface on which the wall-mounted air conditioning indoor unit is installed. The wall hanging plate 63 extends in the lateral direction. The wall hanging device may further include two fixing plates 62, the two fixing plates 62 being vertically disposed against the wall surface and having top portions welded to the wall hanging plate 63 at positions near both lateral ends thereof. The fixing plate 62 is longer than the third sectional plate 613, and the fixing plate 62 has a bend extending forward and downward at a lower end thereof. When the hanging wall device is used, the hanging wall plate 63 is fixed on a wall body, then the wall-mounted air conditioner indoor unit comprising the two hanging plates 61 is hung on the hanging wall device, specifically, the hanging pieces 615 on the second section plate 612 are hung on the upper edge of the hanging wall plate 63, each fixing plate 62 is attached to the rear side of the corresponding third section plate 613, the supporting strength of the third section plate 613 is enhanced, and the lower end of each fixing plate 62 is bent to be in contact with the rear side of the bottom surface of the shell to abut against the rear side of the bottom surface of the shell, so that the supporting strength of the hanging frame is further enhanced. The third sectional plate 613 is vertically disposed, and the top of the wall-mounted air conditioner indoor unit protrudes forward, and the entire wall-mounted air conditioner indoor unit is inclined forward and downward, thereby improving the air intake efficiency.
The wall-mounted air conditioner indoor unit of the embodiment may further include a plurality of axial fans and a heat exchanger. The circular outlet 11 may be plural. Each axial flow fan is correspondingly arranged at the rear side of one air guide structure 30 and used for supplying air to the circular air outlet 11. The indoor unit of the embodiment abandons a cross-flow fan which is commonly used by a wall-mounted air conditioner indoor unit in the prior art, and adopts an axial-flow fan for air supply. The axial flow fan can drive air to flow along the direction parallel to the rotating shaft of the fan. The heat exchanger is arranged at the rear side of the axial flow fans and used for heating/refrigerating. The heat exchanger can cover the rear sides of all the axial flow fans so that each air outlet can output cold/hot air. In addition, a wind ring 50 is arranged on the outer side of each axial flow fan.
The wall-mounted air conditioner indoor unit of the embodiment has the working principle that air firstly enters the indoor unit from the air inlet 13 at the rear part of the shell 10, then sequentially passes through the heat exchanger, the axial flow fan, the air guide structure 30 and the air outlet mechanism along the front-rear direction of the indoor unit, and finally is discharged from the air outlet. Among the prior art that compares, adopt the air supply mode of air-out under the last air inlet, the air supply mode of air-out before the air inlet after this embodiment adopts, and the stroke of air current is shorter, the resistance is littleer, consequently has better air supply effect. In addition, because the air conditioner of this embodiment is disposed obliquely, the air outlet on the front side of the casing 10 is disposed obliquely downward, and the indoor unit can supply air obliquely downward. Generally speaking, wall-hanging air conditioner indoor set hangs in the higher position of wall, and the indoor set slant of this embodiment is down supplied air for the air current reaches the high region at user's place more easily, has promoted user's use and has experienced.
In some embodiments of the present invention, the wall-mounted indoor unit of an air conditioner may further include: an ion wind generating device 40. The housing 10 may also be provided with an ion wind outlet 12. The ion wind generating device 40 is disposed inside the casing 10 and behind the ion wind outlet 12, and is configured to drive the air flow inside the wall-mounted air conditioner indoor unit to be conveyed toward the ion wind outlet by electric field force. For example, the ion wind outlet 12 may be square and disposed between the two circular outlets 11. The ion wind generating device 40 may also be preferably arranged side by side with a plurality of axial fans. The wall-mounted air conditioner indoor unit of the embodiment can selectively use the axial flow fan for air supply and can also selectively use the ion air generating device 40 for air supply, so that the wall-mounted air conditioner indoor unit has more flexible and diversified air supply modes.
It should be understood by those skilled in the art that, unless otherwise specified, terms used to indicate orientation or positional relationship such as "up," "down," "left," "right," "horizontal," "vertical," "front," "rear," and the like in the embodiments of the present invention are based on the actual usage state of the air conditioning indoor unit, and these terms are only used for convenience of describing and understanding the technical solution of the present invention, and do not indicate or imply that the device or component referred to must have a specific orientation, and therefore, should not be construed as limiting the present invention.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (8)
1. An indoor unit of a wall-mounted air conditioner, comprising:
the air conditioner comprises a shell, wherein the front side surface of the shell is provided with at least one circular air outlet; and
at least one wind-guiding structure, every wind-guiding structure corresponds and sets up in one the rear side of circular air outlet, every wind-guiding structure includes:
the inner side of the fixed bracket is provided with a circular cavity with an opening facing to the front side;
the rotating ring is arranged in the circular cavity, is arranged opposite to the circular air outlet and is configured to controllably rotate around the central axis of the rotating ring; the rotation range of the rotating ring is 0-90 degrees;
the pressing sheets are arranged at intervals and fixedly arranged on the periphery of the inner side of the circular cavity, the rotating ring is arranged on the inner side of the pressing sheets, and each pressing sheet is provided with a first fixing column extending along the direction of the central axis of the rotating ring;
the plurality of rollers are respectively sleeved on one first fixing column, are in contact with the outer edge of the rotating ring and are used for assisting in matching with the rotating ring to rotate;
the two swing blade assemblies are arranged on the rotating ring at intervals, each swing blade assembly comprises a plurality of swing blades, and the plurality of swing blades are positioned on the inner side of the rotating ring; each swinging blade is provided with a rotating shaft towards the root of the rotating ring and is configured to rotate around the rotating shaft;
a rotating ring motor; and
the rotating ring gear is arranged on an output shaft of the rotating ring motor;
an arc-shaped rack is arranged on the periphery of the outer side of the rotating ring, the rotating ring gear is meshed with the arc-shaped rack, and the rotating ring motor drives the rotating ring to rotate through the rotating ring gear and the arc-shaped rack;
the outer periphery of the rotating ring is also provided with an annular groove;
each pressing sheet is further provided with a second fixing column extending along the radial direction of the rotating ring, and the second fixing column extends into the annular groove to limit the position of the rotating ring.
2. The wall mounted indoor air conditioner of claim 1, wherein the swing vane assembly further comprises:
and the swinging blade driving mechanism is connected with the swinging blades and is configured to drive the swinging blades to synchronously rotate around the respective rotation shafts.
3. The wall-mounted indoor unit of air conditioner of claim 1, wherein
The swing blades of the two swing blade assemblies are symmetrically arranged about one diameter of the rotating ring, and the rotating shafts of the two swing blades which are mutually symmetrical are on the same straight line.
4. The wall-mounted indoor unit of air conditioner of claim 2, wherein
A plurality of round holes are formed in the circumferential direction of the rotating ring at intervals, and the tail end of the rotating shaft of each swing blade penetrates through the corresponding round hole.
5. The wall mounted indoor air conditioner of claim 4, wherein each of the vane drive mechanisms comprises:
a curved link provided at a rear side of the rotating ring;
the rocking bars are arranged on the curved connecting rod at intervals; one end of each rocker is pivotally connected to the curved connecting rod, and the other end of each rocker is fixedly connected with the tail end of a rotating shaft of one swing blade;
the connecting rod motor is fixed on the rotating ring; and
and two ends of the crank are respectively connected with one end of the curved connecting rod and an output shaft of the connecting rod motor in a pivoting manner, so that the connecting rod motor drives the curved connecting rod to move along a direction perpendicular to the swinging blade rotation shaft through the crank, and the plurality of swinging blades are driven to rotate.
6. The wall-mounted indoor unit of air conditioner according to any one of claims 1 to 5, wherein
The number of the pressing sheets is three, and the rotating ring motor and the three pressing sheets are arranged at equal intervals along the outer periphery of the rotating ring.
7. The wall-mounted air conditioning indoor unit according to any one of claims 1 to 5, further comprising: each opening and closing structure is correspondingly arranged at one circular air outlet; each of the opening and closing structures includes:
the central baffle is fixedly arranged in the center of the circular air outlet, and an air outlet area is formed between the outer periphery of the central baffle and the inner periphery of the corresponding circular air outlet; and
the plurality of curved blades are sequentially arranged along the circumferential direction of the central baffle, are configured to be gathered towards the center of the central baffle so as to at least partially open the air outlet area, and are also configured to be unfolded towards the direction away from the center of the central baffle so as to at least partially close the air outlet area.
8. The wall mounted indoor air conditioner of claim 7, further comprising:
the air inlet is arranged at the back of the shell;
each axial flow fan is correspondingly arranged on the rear side of one air guide structure and used for supplying air to the corresponding circular air outlet; and
and the heat exchanger is arranged at the rear sides of the axial flow fans, and a refrigerant flows inside the heat exchanger to heat or refrigerate.
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| CN201710183510.0A CN108626788B (en) | 2017-03-24 | 2017-03-24 | Wall-mounted air conditioner indoor unit |
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| CN201710183510.0A CN108626788B (en) | 2017-03-24 | 2017-03-24 | Wall-mounted air conditioner indoor unit |
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| CN108626788B true CN108626788B (en) | 2020-02-04 |
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| Publication number | Publication date |
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| CN108626788A (en) | 2018-10-09 |
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Effective date of registration: 20201104 Address after: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee after: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Patentee after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee before: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. |
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