CN114777200A - Air conditioner indoor unit and air conditioner - Google Patents
Air conditioner indoor unit and air conditioner Download PDFInfo
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- CN114777200A CN114777200A CN202210410850.3A CN202210410850A CN114777200A CN 114777200 A CN114777200 A CN 114777200A CN 202210410850 A CN202210410850 A CN 202210410850A CN 114777200 A CN114777200 A CN 114777200A
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- 238000007664 blowing Methods 0.000 claims abstract description 17
- 210000002105 tongue Anatomy 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 abstract description 8
- 238000004088 simulation Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 206010047924 Wheezing Diseases 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange 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
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0025—Cross-flow or tangential fans
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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
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/005—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted on the floor; standing on the floor
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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
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
-
- 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
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/15—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae
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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
- F24F13/20—Casings or covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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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 an indoor unit of an air conditioner, which comprises a cross-flow fan and an air supply volute, wherein the air supply volute comprises a first air channel wall, a volute tongue and a second air channel wall. The air supply volute extends from the periphery of the cross flow fan to an air supply outlet of the indoor unit and defines an air supply duct. The first air duct wall extends from the outer periphery of the cross-flow fan to the air blowing port. The volute tongue and the first air duct wall are arranged at intervals along the periphery of the cross flow fan. The first side of the second air duct wall is pivotally arranged on the volute tongue, and the second air duct wall is arranged opposite to the first air duct wall so as to limit the air supply duct. And the second air duct wall rotates between facing and backing to the first air duct wall to change the width of the air supply duct. When the rotating speed of the cross-flow fan is reduced, the second air duct wall rotates towards the first air duct wall, so that the width of the air supply duct is reduced. The backflow area in the air supply duct can be forcibly deleted, and the cross flow fan is prevented from generating noise.
Description
Technical Field
The invention relates to the field of air conditioners, in particular to an air conditioner indoor unit and an air conditioner.
Background
When the cross-flow fan runs, the cross-flow fan comprises a stable working interval and an unstable working interval along with the change of the rotating speed of the cross-flow fan. In a stable working interval, the air output of the air supply duct and the rotating speed of the cross-flow fan are in a linear relation. Along with the reduction of the rotating speed of the cross-flow fan, the cross-flow fan enters an unstable working interval, and the air output of the air supply duct is rapidly reduced in a nonlinear manner. Discontinuous breathing of the air conditioner may occur, and reverse suction may also occur.
In order to meet the requirements of people on different air output quantities of the air conditioner, the cross-flow air blower can run at a low speed, and at the moment, the noise of the air conditioner is relatively large. With the improvement of living standard of people, under certain conditions, such as sleeping or learning, people put higher requirements on the noise of the air conditioner. In order to meet different use scenes of the air conditioner, the noise of the air conditioner at low air output needs to be reduced.
Disclosure of Invention
An object of the present invention is to provide an indoor unit of an air conditioner and an air conditioner, which are used to solve the above technical problems.
In particular, the present invention provides an indoor unit of an air conditioner, comprising:
a cross-flow fan;
the air supply spiral case extends the setting to the supply-air outlet of indoor set from cross flow fan's periphery to inject the air supply wind channel, and the air supply spiral case includes:
a first air duct wall extending from the outer periphery of the cross flow fan to the air supply outlet;
the volute tongues and the first air channel wall are arranged at intervals along the periphery of the cross-flow fan;
the first side of the second air channel wall is pivotally arranged on the volute tongue, the second air channel wall is arranged opposite to the first air channel wall to limit the air supply channel, and the second air channel wall rotates between the direction facing the first air channel wall and the direction facing away from the first air channel wall to change the width of the air supply channel.
Optionally, the blower volute further comprises:
the third air duct wall is fixed at the air supply opening; when the second air duct wall rotates to a first position where the air supply duct is widest back to the first air duct wall, the second side of the second air duct wall is connected with the third air duct wall;
the stroke part is arranged on the second side of the second air duct wall and extends out of the second air duct wall in a back direction;
overlap joint portion sets up in stroke portion, and the second side of second wind channel wall stretches out dorsad, and when second wind channel wall rotated to the narrowest second position in air supply duct towards first wind channel wall, the overlap joint was in order to fix the second wind channel wall on the third wind channel wall.
Optionally, when the second side of the second air duct wall is connected to the third air duct wall, the second air duct wall and the third air duct wall form a complete continuous air duct inner wall.
Optionally, the air conditioner indoor unit further comprises:
the first swing blade is pivotally arranged at the air supply opening along the length direction of the air supply opening, and when the second air duct wall rotates to the second position, the first swing blade is configured to rotate at least to abut against the second side of the second air duct wall so as to support the second air duct wall.
Optionally, when the second air duct wall rotates to the second position, one end of the first flap rotates to a position close to the first air duct wall, and one end of the first flap close to the first air duct wall abuts against the second side of the second air duct wall, so that the second air duct wall is flush with the first flap at the abutting position.
Optionally, the air conditioner indoor unit further comprises:
and the second swing blades are respectively arranged at the air supply outlet in a pivoting manner along the length direction of the air supply outlet, are sequentially arranged between the first air duct wall and the first swing blades, and are configured to be controlled to independently rotate to a preset position so as to enable the air flow of the air supply duct to be uniform.
Optionally, when the second air duct wall rotates to the second position, the second swing vane close to the first air duct wall rotates to gradually incline towards the second air duct wall from the air supply outlet; the second swing blade far away from the first air duct wall rotates to incline towards the first air duct wall from the air supply outlet gradually.
Optionally, the second duct wall rotates through an angle in the range of 15 ° to 25 ° when rotating from the first position to the second position;
the length value of the extension of the overlapping part is 1 to 6 times of the wall thickness value of the second air duct wall;
and in the rotating process of the second air duct wall, the second side of the second air duct wall is always positioned in the indoor unit of the air conditioner.
Alternatively, when the rotational speed of the cross-flow fan is reduced, the second air duct wall rotates toward the first air duct wall to narrow the supply air duct.
According to a second aspect of the present invention, the present invention also provides an air conditioner, which includes the air conditioner indoor unit as described above.
The invention provides an air conditioner indoor unit which comprises a cross-flow fan and an air supply volute, wherein the air supply volute comprises a first air channel wall, a volute tongue and a second air channel wall. The air supply volute extends from the periphery of the cross flow fan to an air supply outlet of the indoor unit and defines an air supply duct. The first air duct wall extends from the outer periphery of the cross-flow fan to the air blowing port. The volute tongues and the first air duct wall are arranged at intervals along the periphery of the cross-flow fan. The first side of the second air duct wall is pivotally arranged on the volute tongue, and the second air duct wall is arranged opposite to the first air duct wall so as to limit the air supply duct. And the second air duct wall rotates between facing and backing to the first air duct wall to change the width of the air supply duct. The second air duct wall can rotate towards and back to the first air duct wall so as to change the width of the air supply duct. When the rotating speed of the cross-flow fan is reduced, the second air duct wall rotates towards the first air duct wall, so that the width of the air supply duct is reduced. The backflow area in the air supply duct can be forcibly deleted, and the cross flow fan is prevented from generating noise.
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 example and not by way of 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 diagram of an air conditioner indoor unit according to one embodiment of the present invention;
fig. 2 is a sectional view of an air conditioner indoor unit according to an embodiment of the present invention;
fig. 3 is a sectional view of an indoor unit of an air conditioner according to an embodiment of the present invention;
FIG. 4 is a simulation of a crossflow blower in an air conditioner indoor unit at high rotational speed in accordance with an embodiment of the present invention;
fig. 5 is a simulation diagram of the rotational speed of a cross-flow fan in an air conditioner indoor unit according to an embodiment of the present invention;
FIG. 6 is a simulation of a low rotational speed cross-flow fan in an air conditioner indoor unit according to an embodiment of the present invention;
fig. 7 is a simulation diagram illustrating narrowing of an air supply duct in an indoor unit of an air conditioner according to an embodiment of the present invention.
Detailed Description
Fig. 1 is a schematic diagram of an air conditioner indoor unit according to one embodiment of the present invention; fig. 2 is a sectional view of an indoor unit of an air conditioner according to an embodiment of the present invention; fig. 3 is a sectional view of an indoor unit of an air conditioner according to an embodiment of the present invention; FIG. 4 is a simulation of a crossflow blower in an air conditioner indoor unit at high rotational speed in accordance with an embodiment of the present invention; fig. 5 is a simulation diagram of the rotational speed of a cross-flow fan in an air conditioner indoor unit according to an embodiment of the present invention; FIG. 6 is a simulation of a low rotational speed crossflow blower in an air conditioner indoor unit in accordance with an embodiment of the present invention; fig. 7 is a simulation diagram illustrating a narrowing of a supply air duct in an indoor unit of an air conditioner according to an embodiment of the present invention.
As shown in fig. 4 to 6, in the simulation, a light gray area in the supply air duct 370 indicates a relatively uniform air flow, and a black area in the supply air duct 370 indicates a wheeze area, i.e., a return area. When the rotational speed of the cross-flow fan 200 is reduced, a backflow area may occur in the supply air duct 370, and the backflow area may cause noise to be generated in the indoor unit 10 of the air conditioner. As shown in fig. 4, when the rotational speed of the cross-flow fan 200 is high, the airflow in the large area of the air supply duct 370 is relatively uniform, and the backflow area is relatively small. As shown in fig. 5, the area of the return flow region in the supply air duct 370 is increased when the rotational speed of the cross-flow fan 200 is medium. As shown in fig. 6, when crossflow blower 200 is operated at a low rotation speed, the area of the return flow region in supply air duct 370 is further increased. The inventors have found that as the rotational speed of the cross-flow fan 200 is decreased, the area of the return flow region in the supply air duct 370 is gradually increased, which may cause the noise of the indoor unit 10 to be increased.
As shown in fig. 1 to 3, the present embodiment provides an air conditioner indoor unit 10 including a cross-flow fan 200 and a supply scroll 300, wherein the supply scroll 300 includes a first air passage wall 310, a scroll tongue 320, and a second air passage wall 330. The supply volute 300 is extended from the outer circumference of the cross flow fan 200 to the supply outlet 100 of the indoor unit, and defines a supply air duct 370. The first air duct wall 310 extends from the outer circumference of the cross flow fan 200 to the supply port 100. The volute tongue 320 is spaced apart from the first duct wall 310 along the outer circumference of the crossflow blower 200. A first side of the second air duct wall 330 is pivotally disposed on the volute tongue 320, and the second air duct wall 330 is disposed opposite to the first air duct wall 310 to define a supply air duct 370. Also, the second air duct wall 330 rotates between facing and facing away from the first air duct wall 310 to change the width of the supply air duct 370.
In the present embodiment, the type of the air conditioner is not limited, and for example, the air conditioner may be a wall-mounted air conditioner or a floor type air conditioner. As a specific example, as shown in fig. 1, the air conditioner in this embodiment is a floor air conditioner. In this embodiment, a floor air conditioner will be described as an example.
As shown in fig. 1 and 3, taking a floor air conditioner as an example, the air supply duct 370 supplies air from the rear side of the air conditioner indoor unit 10 and discharges air from the front side, that is, the air supply duct 370 extends from the rear side to the front side of the air conditioner indoor unit 10. The blowing scroll 300 is extended from the outer circumference of the cross-flow fan 200 to the blowing port 100 of the indoor unit, and defines a blowing duct 370. In this embodiment, the specific configuration of the supply volute 300 may be selected as desired, and as a specific embodiment, as shown in fig. 2 and 3, the supply volute 300 includes at least a first duct wall 310, a volute tongue 320, and a second duct wall 330. The first air duct wall 310, the second air duct wall 330 and the casing of the indoor unit 10 cooperate to form an air supply duct 370, openings are formed at the upper and lower sides of the air supply duct 370, and the casing of the indoor unit 10 covers the openings to prevent air leakage from the upper and lower sides of the air supply duct 370. In other embodiments, the supply volute 300 may further include a connection wall for covering upper and lower openings between the first and second duct walls 310 and 330, that is, for blocking the upper and lower openings of the supply duct 370 so as not to leak air from upper and lower sides of the supply duct 370.
As shown in fig. 2 and 3, the volute tongue 320 and the first air passage wall 310 are spaced along the outer circumference of the cross flow fan 200 such that a part of the blade cascade of the cross flow fan 200 is positioned outside the supply air passage 370 and another part of the blade cascade of the cross flow fan 200 is positioned inside the supply air passage 370. The airflow enters the inside of the cross-flow fan 200 from a part of the blade cascade, passes through the cross-flow fan 200, and is discharged into the supply air duct 370 from another part of the blade cascade.
The volute tongue 320 and the second air duct wall 330 are sequentially disposed from upstream to downstream along the airflow direction in the air supply duct 370, and the first side of the second air duct wall 330 is located upstream of the airflow in the air supply duct 370. The pivoting axis of the second air duct wall 330 is parallel to the rotating axis of the cross-flow fan 200, and when the second air duct wall 330 rotates around the pivoting axis, the second air duct wall 330 rotates between facing and facing away from the first air duct wall 310 to change the width of the supply air duct 370. As shown in fig. 2 and 3, when the second air duct wall 330 rotates away from the first air duct wall 310, that is, when the second air duct wall 330 rotates clockwise, the width of the supply air duct 370 increases. When the second air duct wall 330 rotates toward the first air duct wall 310, that is, when the second air duct wall 330 rotates counterclockwise, the width of the supply air duct 370 decreases. The state shown in fig. 2 and the state shown in fig. 3 are states in which the second air path is rotated to the limit, respectively.
When the rotational speed of crossflow blower 200 is reduced, the amount of air in air supply duct 370 is reduced. As shown in fig. 4 to 7, the light gray portion in the supply air duct 370 indicates a relatively uniform air flow, and the black area in the supply air duct 370 near the second duct wall 330 indicates a wheeze area, i.e., a return area. When the rotational speed of the cross flow fan 200 is reduced, the return flow region is a cause of noise generated in the indoor unit 10 of the air conditioner. As shown in fig. 7, when the rotational speed of crossflow blower 200 is reduced, second air passage wall 330 rotates toward first air passage wall 310, so that the width of supply air passage 370 is reduced. This can forcibly delete the backflow region in the supply air duct 370, thereby preventing the noise from being generated in the indoor unit 10 of the air conditioner.
Based on the above analysis, the second duct wall 330 can be rotated toward and away from the first duct wall 310 to change the width of the supply air duct 370. When the rotational speed of the cross-flow fan 200 is reduced, the second duct wall 330 rotates toward the first duct wall 310 to reduce the width of the supply air duct 370. This can forcibly remove the recirculation zone in the supply air duct 370, and prevent the cross flow fan 200 from generating noise.
In other embodiments, the supply volute 300 also includes a third duct wall 340, a trip portion 350, and a lap portion 360. The third air duct wall 340 is fixed at the air supply outlet 100; when the second air duct wall 330 rotates away from the first air duct wall 310 to the first position where the supply air duct 370 is widest, the second side of the second air duct wall 330 is connected to the third air duct wall 340. The stroke part 350 is disposed on a second side of the second air duct wall 330 and extends away from the first air duct wall 310. The overlapping portion 360 is disposed at the stroke portion 350, extends away from the second side of the second air duct wall 330, and overlaps the third air duct wall 340 to fix the second air duct wall 330 when the second air duct wall 330 rotates to the narrowest second position of the air duct 370 toward the first air duct wall 310.
The second side of the second air path wall 330 is located closer to the supply port 100 as the second air path wall 330 rotates toward the first air path wall 310. When the second air duct wall 330 rotates to the first position, if the second side of the second air duct wall 330 is directly connected to the air outlet. When the second air duct wall 330 rotates to the second position, the second side of the second air duct wall 330 extends out of the air blowing opening 100, which affects the appearance of the indoor unit 10 of the air conditioner and the air blowing. The third air path wall 340 is fixed to the supply port 100 and extends toward the cross flow fan 200. When the second air duct wall 330 rotates to the first position, the second side of the second air duct wall 330 is connected to the third air duct wall 340. When the second air duct wall 330 rotates to the second position, the second side of the second air duct wall 330 is prevented from protruding from the air blowing opening 100, so that the indoor unit 10 of the air conditioner is more beautiful and the air blowing is smoother. In this embodiment, the specific length of the second air duct wall 330 along the airflow direction in the air duct 370 is not limited, and the second air duct wall 330 does not extend out of the air outlet 100 in the rotation process according to the specific type of the air duct, that is, the second air duct wall 330 is always located in the air outlet 100 in the rotation process. As a specific example, as shown in fig. 2 and 3, the length of the second air duct wall 330 is 2/3 of the sum of the length of the second air duct wall 330 and the length of the third air duct wall 340. During the rotation of the second air duct wall 330, the second side of the second air duct wall 330 is always located in the indoor unit 10 of the air conditioner.
In the present embodiment, the specific structure and shape of the stroke part 350 are not limited, and can be selected as needed. As a specific embodiment, as shown in fig. 2 and 3, the stroke part 350 has a plate shape. It will be apparent that this is merely exemplary and not exclusive. For example, the stroke part 350 may be a bar shaped like a long bar. The stroke portion 350 protrudes away from the first duct wall 310, that is, the stroke portion 350 protrudes away from the inner side of the second duct wall 330.
In this embodiment, the specific structure and shape of the overlapping portion 360 are not limited, and can be selected as needed. As a specific embodiment, as shown in fig. 2 and 3, the lap portion 360 has a plate shape. It will be clear that this is exemplary only and not exclusive. The overlapping portion 360 and the stroke portion 350 cooperate to define a rotation range of the second duct wall 330, while the overlapping portion 360 serves to fix the second duct wall 330 for preventing the second duct wall 330 from shaking.
In other embodiments, when the second side of the second air duct wall 330 is connected to the third air duct wall 340, the second air duct wall 330 and the third air duct wall 340 form a complete continuous air duct inner wall. The second air duct wall 330 and the third air duct wall 340 form a complete and continuous air duct inner wall, that is, there is no unevenness on the inner side of the second air duct wall 330 and the inner side of the third air duct wall 340, and there is no gap and unevenness at the joint. This enables the air to flow smoothly in the air supply duct 370, avoiding blowing a whistle, and reducing noise.
In other embodiments, the air conditioner indoor unit 10 further includes a first swing blade 400, and the first swing blade 400 is pivotally disposed at the air blowing opening 100 along a length direction of the air blowing opening 100. When the second air duct wall 330 rotates to the second position, the first swing blade 400 is configured to rotate at least to abut against the second side of the second air duct wall 330 to support the second air duct wall 330.
In this embodiment, the specific manner of pivotally disposing the first swing vane 400 at the air supply outlet 100 is not limited, and as a specific embodiment, as shown in fig. 2 and 3, the air conditioner indoor unit 10 further includes a pivot axis disposed along the length direction of the air conditioner indoor unit 10, and the first swing vane 400 is pivotally disposed on the pivot axis. When the second air duct wall 330 rotates to the first position, the first swing vane 400 is configured to rotate to the corresponding position to guide the wind so as to make the wind in the air duct more uniform. When the second air duct wall 330 rotates to the second position, the first swing vane 400 can rotate to the predetermined position to support and abut against the second side of the second air duct wall 330 for fixing the second air duct wall 330.
In other embodiments, when the second air duct wall 330 rotates to the second position, the end 410 of the first flap 400 rotates to a position close to the first air duct wall 310, and the end 410 of the first flap 400 close to the first air duct wall 310 abuts against the second side of the second air duct wall 330, so that the second air duct wall 330 is flush with the first flap 400 at the abutting position. As shown in fig. 3, one end 410 of the first swing blade 400 rotates to a position close to the first air channel wall 310, that is, the first swing blade 400 rotates to a horizontal position, at this time, the one end 410 of the first swing blade 400 is close to the first air channel wall 310, the other end of the first swing blade 400 is close to the second air channel wall 330, and the second side of the second air channel wall 330 abuts against the one end 410 of the first swing blade 400 and is flush with the one end 410 of the first swing blade 400. This enables the first swing vane 400 to fix the second air duct wall 330, and simultaneously prevents the first swing vane 400 from blocking the air flow in the air supply duct 370, so that the air flow in the air supply duct 370 is smoother.
In some other embodiments, the indoor unit 10 of the air conditioner further includes a plurality of second swing vanes 500, the plurality of second swing vanes 500 are respectively pivotally disposed at the air blowing opening 100 along the length direction of the air blowing opening 100, and are sequentially disposed between the first air duct wall 310 and the first swing vanes 400, and are configured to be controlled to independently rotate to a preset position so as to make the air flow of the air blowing duct 370 uniform. In this embodiment, a specific manner of pivoting the second swing vane 500 is not limited, and the second swing vane 500 may rotate at the air blowing port 100. In this embodiment, the preset position is not specifically limited, and the preset position can be specifically set as required, so that the air flow in the air duct is more uniform. In this embodiment, the number of the second air duct walls 330 is not limited and may be selected according to need, and as shown in fig. 2 and 3, the number of the second air duct walls 330 is two, which is obviously only exemplary and not exclusive.
In other embodiments, when the second air path wall 330 is rotated to the second position, the second swing blade 500 adjacent to the first air path wall 310 is rotated to be gradually inclined toward the second air path wall 330 from the supply port 100. That is, as shown in fig. 3, the second swing vane 500 positioned at the right side is rotated counterclockwise from the vertical state. The second swing vane 500, which is away from the first air path wall 310, rotates to be gradually inclined toward the first air path wall 310 from the supply port 100. That is, as shown in fig. 3, the second swing leaf 500 positioned at the left side is rotated clockwise from the vertical state. The angle through which the second swing blade 500 rotates is not particularly limited, and may be selected as needed, and in this embodiment, the angle through which the second swing blade 500 rotates ranges from 10 ° to 30 °. As shown in fig. 3, the angle through which the second swing blade 500 rotates is 20 °.
In other embodiments, the second air duct wall 330 rotates in an angle ranging from 15 ° to 25 ° when the second air duct wall 330 rotates from the first position to the second position. Specifically, as shown in fig. 3, the second air path wall 330 is rotated by 20 °. The overlapping portion 360 extends over a length of 1 to 6 times the thickness of the wall of the second air duct wall 330. Specifically, as shown in fig. 2 and 3, the length of the extension of the overlapping portion 360 is 3 times the thickness of the wall of the second duct wall 330, which can fix the second duct wall 330 and ensure the strength of the blower scroll 300.
In other embodiments, when the rotational speed of the crossflow blower 200 is reduced, the second air passage wall 330 rotates toward the first air passage wall 310 to narrow the supply air duct 370. When the rotating speed of the cross-flow fan 200 is reduced, a backflow area is easy to appear, the backflow area can be forcibly deleted due to the narrowing of the air channel, and noise is avoided.
According to a second aspect of the present invention, the present invention also provides an air conditioner comprising the air conditioner indoor unit 10 as described above. Since the air conditioner includes any one of the air conditioner indoor units 10, the air conditioner has the technical effects of any one of the air conditioner indoor units 10, and the details are not repeated herein.
In the description of the present embodiments, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", "clockwise", "counterclockwise", etc. indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature, i.e., one or more such features. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. When a feature "comprises or includes" a or some of the features that it covers, this is to be taken as an indication that other features are not excluded and that other features may further be included, unless expressly stated otherwise.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "coupled," and the like are to be construed broadly and encompass, for example, both fixed and removable connection or integration; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. Those skilled in the art should understand the specific meaning of the above terms in the present invention according to specific situations.
Further, in the description of the present embodiments, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact via another feature therebetween. That is, in the description of the present embodiment, the first feature being "on", "above" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is higher in level than the second feature. A first feature "under," "beneath," or "beneath" a second feature may be directly under or obliquely under the first feature, or simply mean that the first feature is at a lesser elevation than the second feature.
Unless otherwise defined, all terms (including technical and scientific terms) used in the description of the present embodiment have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In the description of the present embodiments, reference to the description of "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, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Thus, it should be appreciated by those skilled in the art that while various exemplary embodiments of the invention have been shown and described in detail herein, many other variations or modifications which are consistent with the principles of this invention may be determined or derived directly 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 (10)
1. An indoor unit of an air conditioner, comprising:
a cross-flow fan;
the air supply spiral case extends the setting to the supply-air outlet of indoor set from the periphery of cross-flow fan to inject the air supply duct, and the air supply spiral case includes:
a first air duct wall extending from an outer periphery of the cross flow fan to the air blowing port;
the volute tongues and the first air duct wall are arranged at intervals along the periphery of the cross flow fan;
a second duct wall pivotally mounted on the volute tongue on a first side thereof, the second duct wall being disposed opposite the first duct wall to define the supply duct, and the second duct wall being rotatable between facing toward and away from the first duct wall to vary a width of the supply duct.
2. The indoor unit of claim 1, the supply volute further comprising:
the third air duct wall is fixed at the air supply port; when the second air duct wall rotates to a first position where the air supply duct is widest opposite to the first air duct wall, the second side of the second air duct wall is connected with the third air duct wall;
the stroke part is arranged on the second side of the second air duct wall and extends out of the first air duct wall;
the lap joint portion, set up in stroke portion dorsad the second side of second wind channel wall stretches out, works as the second wind channel wall orientation first wind channel wall rotates extremely when the narrowest second place in air supply duct, the lap joint in with fixed on the third wind channel wall the second wind channel wall.
3. The indoor unit of an air conditioner according to claim 2,
and when the second side of the second air duct wall is connected with the third air duct wall, the second air duct wall and the third air duct wall form a complete and continuous air duct inner wall.
4. The indoor unit of claim 2, further comprising:
and the first swing blade is pivotally arranged at the air supply opening along the length direction of the air supply opening, and when the second air duct wall rotates to the second position, the first swing blade is configured to rotate at least to abut against the second side of the second air duct wall so as to support the second air duct wall.
5. The indoor unit of claim 4, wherein when the second air duct wall rotates to the second position, one end of the first flap rotates to a position close to the first air duct wall, and one end of the first flap close to the first air duct wall abuts against the second side of the second air duct wall, so that the second air duct wall is flush with the first flap at the abutting position.
6. The indoor unit of claim 4, further comprising:
the second swing blades are respectively arranged at the air supply outlet in a pivoting manner along the length direction of the air supply outlet, are sequentially arranged between the first air duct wall and the first swing blades, and are configured to be controlled to independently rotate to a preset position so as to enable the air flow of the air supply duct to be uniform.
7. The indoor unit of claim 6, wherein, when the second air path wall is rotated to the second position, the second swing vane adjacent to the first air path wall is rotated to be gradually inclined toward the second air path wall from the supply port; the second swing blade far away from the first air duct wall rotates to incline from the air supply outlet towards the first air duct wall gradually.
8. The indoor unit of an air conditioner according to claim 7,
the second duct wall rotates through an angle in the range of 15 ° to 25 ° when rotating from the first position to the second position;
the length value of the extension of the overlapping part is 1 to 6 times of the wall thickness value of the second air duct wall;
and in the rotating process of the second air duct wall, the second side of the second air duct wall is always positioned in the indoor unit of the air conditioner.
9. The indoor unit of an air conditioner according to claim 1,
when the rotating speed of the cross-flow fan is reduced, the second air duct wall rotates towards the first air duct wall so as to narrow the air supply duct.
10. An air conditioner comprising the indoor unit of an air conditioner according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210410850.3A CN114777200B (en) | 2022-04-19 | 2022-04-19 | Indoor unit of air conditioner and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210410850.3A CN114777200B (en) | 2022-04-19 | 2022-04-19 | Indoor unit of air conditioner and air conditioner |
Publications (2)
| Publication Number | Publication Date |
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| CN114777200A true CN114777200A (en) | 2022-07-22 |
| CN114777200B CN114777200B (en) | 2023-12-19 |
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| CN202210410850.3A Active CN114777200B (en) | 2022-04-19 | 2022-04-19 | Indoor unit of air conditioner and air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023202028A1 (en) * | 2022-04-19 | 2023-10-26 | 青岛海尔空调器有限总公司 | Air conditioner indoor unit and air conditioner |
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| CN110873450A (en) * | 2019-11-27 | 2020-03-10 | 宁波奥克斯电气股份有限公司 | Volute tongue structure and air conditioner |
| JP2020176803A (en) * | 2019-04-22 | 2020-10-29 | パナソニックＩｐマネジメント株式会社 | Air conditioner |
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| CN104976744A (en) * | 2014-04-14 | 2015-10-14 | 海尔集团公司 | Air flue structure of air conditioner indoor unit |
| CN204227551U (en) * | 2014-10-27 | 2015-03-25 | 广州华凌制冷设备有限公司 | Air conditioner room unit and air-conditioner |
| JP2020176803A (en) * | 2019-04-22 | 2020-10-29 | パナソニックＩｐマネジメント株式会社 | Air conditioner |
| CN209857187U (en) * | 2019-04-30 | 2019-12-27 | 广东美的制冷设备有限公司 | Air conditioner indoor unit and air conditioner with same |
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| WO2023202028A1 (en) * | 2022-04-19 | 2023-10-26 | 青岛海尔空调器有限总公司 | Air conditioner indoor unit and air conditioner |
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| Publication number | Publication date |
|---|---|
| CN114777200B (en) | 2023-12-19 |
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