CN113550931B - Air supply device and air conditioner indoor unit - Google Patents
Air supply device and air conditioner indoor unit Download PDFInfo
- Publication number
- CN113550931B CN113550931B CN202110815831.4A CN202110815831A CN113550931B CN 113550931 B CN113550931 B CN 113550931B CN 202110815831 A CN202110815831 A CN 202110815831A CN 113550931 B CN113550931 B CN 113550931B
- Authority
- CN
- China
- Prior art keywords
- air supply
- volute
- air
- cylindrical surface
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides an air supply device and an air conditioner indoor unit. Air supply arrangement includes air supply assembly, and air supply assembly includes: the air supply shell is provided with an air duct, an air inlet and an air outlet which are communicated with the air duct; the fan blades are at least partially arranged in the air supply shell and can be rotatably arranged so that air entering the air channel from the air inlet flows out through the air supply outlet; the air supply assembly or the air supply shell is arranged in a rotatable mode around the second rotating shaft so as to change the air supply direction of the air supply outlet; the second rotating shaft is parallel to the first rotating shaft of the fan blade and is arranged at intervals. The air supply device solves the problem that the air volume of the air supply device in the prior art is small.
Description
Technical Field
The invention relates to the field of household appliances, in particular to an air supply device and an air conditioner indoor unit.
Background
When the wall-mounted air conditioner works, the fan blades rotate, indoor airflow sequentially passes through the filter screen, the heat exchanger, the fan and the air supply outlet, and the air deflector arranged on the air supply outlet rotates up and down to change the air supply direction, so that the air conditioner can supply air up and down.
In the prior art, as shown in fig. 1 and 2, when the air conditioner works, the air deflector 1 at the air supply port rotates to change the air supply direction from top to bottom, and when the air deflector 1 is in an upward air supply state or a downward air supply state, because the air deflector 1 is close to the fan blades, the airflow flowing of the air supply port is influenced, a large blocking effect is exerted on the airflow, the air circulation area of the air supply port is reduced, the air volume is reduced, the heat exchange efficiency of the heat exchanger is reduced, and the performance of the air conditioner is reduced.
Meanwhile, when air flows through the air guide plate 1, eddy current is easily generated near the air guide plate 1, so that large aerodynamic noise is generated, and the comfort of people is influenced.
Disclosure of Invention
The invention mainly aims to provide an air supply device and an air conditioner indoor unit, and aims to solve the problem that the air volume of the air supply device in the prior art is small.
In order to achieve the above object, according to one aspect of the present invention, there is provided an air supply device including an air supply assembly including: the air supply shell is provided with an air duct, an air inlet and an air outlet which are communicated with the air duct; the fan blades are at least partially arranged in the air supply shell and can be rotatably arranged so that air entering the air channel from the air inlet flows out through the air supply outlet; the air supply assembly or the air supply shell is arranged in a rotatable mode around the second rotating shaft so as to change the air supply direction of the air supply outlet; the second rotating shaft is parallel to the first rotating shaft of the fan blade and arranged at intervals.
Furthermore, the air supply shell comprises a volute and a volute tongue, and the volute tongue form an air duct, an air inlet and an air supply outlet together; the volute and the volute tongue are positioned on two sides of the second rotating shaft, and the minimum distance between the volute and the second rotating shaft is not equal to the minimum distance between the volute tongue and the second rotating shaft.
Furthermore, the volute is provided with a volute outer contour surface, the volute outer contour surface is a partial arc surface of a first cylindrical surface, the center line of the first cylindrical surface is coincident with the second rotating shaft, and the radius of the first cylindrical surface is R1; the volute tongue is provided with a volute tongue outer contour surface which is a partial arc surface of a second cylindrical surface, the center line of the second cylindrical surface is coincided with the second rotating shaft, and the radius of the second cylindrical surface is R2; the minimum distance between the volute and the second rotating shaft is the distance between the outer contour surface of the volute and the second rotating shaft, and the minimum distance between the volute tongue and the second rotating shaft is the distance between the outer contour surface of the volute tongue and the second rotating shaft.
Furthermore, the air supply device also comprises a shell, at least part of the air supply assembly is arranged in the shell, and the shell comprises a first shell part and a second shell part; the first shell part is arranged opposite to at least part of the volute and is arranged at intervals with at least part of the volute; and/or the second shell part is arranged opposite to at least part of the volute tongue, and the second shell part is arranged at intervals with at least part of the volute tongue.
Furthermore, the volute is provided with a volute outer contour surface, the volute outer contour surface is a partial arc surface of a first cylindrical surface, the center line of the first cylindrical surface is coincident with the second rotating shaft, and the radius of the first cylindrical surface is R1; the first shell part is provided with a first surface, the first surface is arranged opposite to at least part of the volute, the first surface is a partial cambered surface of a third cylindrical surface, the center line of the third cylindrical surface is coincident with the second rotating shaft, and the radius of the third cylindrical surface is R3; the clearance between the first surface and the volute outer contour surface is d 1; wherein, R3 ═ R1+ d 1.
Further, the outer diameter of the fan blade is D; wherein D1 is more than or equal to 0.01D and less than or equal to 0.1D.
Furthermore, the volute tongue is provided with a volute tongue outer contour surface which is a partial arc surface of a second cylindrical surface, the center line of the second cylindrical surface is coincident with the second rotating shaft, and the radius of the second cylindrical surface is R2; the second shell part is provided with a second surface, the second surface is arranged opposite to at least part of the volute tongue, the second surface is a partial arc surface of a fourth cylindrical surface, the center line of the fourth cylindrical surface is coincident with the second rotating shaft, the radius of the fourth cylindrical surface is R4, and the gap between the second surface and the outer contour surface of the volute tongue is d 2; wherein, R4 ═ R2+ d 2.
Further, the outer diameter of the fan blade is D; wherein D2 is more than or equal to 0.01D and less than or equal to 0.1D.
Furthermore, the air supply device also comprises a shell, at least part of the air supply assembly is arranged in the shell, and the air supply outlet is arranged outside the shell after penetrating through the shell.
According to another aspect of the present invention, an indoor unit of an air conditioner is provided, which includes an air supply device, wherein the air supply device is the above air supply device.
According to the air supply device, the air supply direction of the air supply outlet is changed by arranging the air supply assembly or the air supply shell in a rotatable manner around the second rotating shaft, so that the air supply is carried out up and down, the mode that the air guide plate is arranged at the air supply outlet to change the air supply direction in the prior art is cancelled, the problem that the air quantity is reduced due to the arrangement of the air guide plate, so that the performance of an air conditioner is reduced is solved, and the problem of pneumatic noise caused by the up and down air supply of the air guide plate is also solved; and, this air supply arrangement parallels the first rotation axis of second rotation axis and fan blade and looks interval setting, such setting makes the second rotation axis and the first rotation axis disalignment setting of air supply subassembly or air supply casing, make the arc length that the different positions of air supply casing passed through at rotatory in-process different, avoid the air supply casing to appear sheltering from the condition of fan blade air-out at rotatory in-process, air supply arrangement's air supply volume has further been increaseed, and the setting of second rotation axis and first rotation axis disalignment can be in a flexible way according to the position that the demand set up air supply casing, the holistic overall arrangement of air supply arrangement of being convenient for.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view illustrating an air conditioner in the related art when air is blown upward;
fig. 2 is a schematic view illustrating a case where an air conditioner according to the related art supplies air downward;
fig. 3 shows a schematic view of an embodiment of an air conditioning indoor unit according to the present invention when blowing air upward;
fig. 4 shows a schematic view of an embodiment of an air conditioning indoor unit according to the present invention when blowing downward;
FIG. 5 is a schematic view of the structure of an air supply assembly of the air supply apparatus according to the present invention; and
fig. 6 shows a control diagram of an embodiment of the air supply device according to the invention.
Wherein the figures include the following reference numerals:
1. an air deflector; 2. a bottom case; 3. a panel; 4. a heat exchanger; 5. a filter screen;
10. an air supply assembly; 11. an air supply housing; 111. an air duct; 112. an air inlet; 113. an air supply outlet; 114. a volute; 115. a volute tongue; 116. a volute outer contour surface; 117. the outer contour surface of the volute tongue; 12. a fan blade; 121. a first rotating shaft; 20. a second rotation shaft; 40. a housing; 41. a first housing portion; 411. a first surface; 42. a second housing portion; 421. a second surface; 50. a controller; 60. a first driving member; 70. a second driving member.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The present invention provides an air supply device, please refer to fig. 3 to fig. 6, including an air supply assembly 10, the air supply assembly 10 includes: the air supply device comprises an air supply shell 11, wherein the air supply shell 11 is provided with an air duct 111, an air inlet 112 and an air outlet 113 which are communicated with the air duct 111; the fan blade 12, at least part of the fan blade 12 is set up in the blowing shell 11, the fan blade 12 is set up rotatably, so that the air entering the wind channel 111 from the air intake 112 flows out through the blowing outlet 113; wherein, the blowing component 10 or the blowing shell 11 can be rotatablely arranged around the second rotating shaft 20 to change the blowing direction of the blowing outlet 113; the second rotating shaft 20 is parallel to the first rotating shaft 121 of the fan blade 12 and spaced from the first rotating shaft.
According to the air supply device, the air supply direction of the air supply outlet is changed by arranging the air supply assembly 10 or the air supply shell 11 in a rotatable manner around the second rotating shaft 20, so that the up-and-down air supply of the air supply device is realized, the air deflector 1 arranged at the air supply outlet in the prior art is eliminated, the air supply direction changing mode through the air deflector 1 in the prior art is changed, the problem that the air quantity is reduced due to the arrangement of the air deflector 1, so that the performance of an air conditioner is reduced is solved, and the problem of aerodynamic noise caused by the up-and-down air supply of the air deflector 1 is also solved; and, this air supply arrangement is parallel with the first rotation axis 121 of second rotation axis 20 and fan blade 12 and looks interval setting, such setting makes the second rotation axis 20 and the first rotation axis 121 disalignment setting of air supply subassembly 10 or air supply casing 11, make the arc length that different positions of air supply casing 11 passed through at rotatory in-process different, avoid air supply casing 11 to appear sheltering from the condition of fan blade 12 air-out at rotatory in-process, air supply arrangement's air supply volume has further been increaseed, and the setting of second rotation axis 20 and first rotation axis 121 disalignment can be in a flexible way as required the position that sets up air supply casing 11, be convenient for the holistic overall arrangement of air supply arrangement.
Specifically, the first rotating shaft 121 of the fan blade 12 is a center line of the fan blade 12, and the second rotating shaft 20 is located inside an outer contour of the air supply housing 11.
Specifically, as shown in fig. 1 and 2, a reference cross section of the air supply device is taken by a plane perpendicular to the first rotating shaft 121 of the fan blade 12, an intersection point of the first rotating shaft 121 and the reference cross section is O1, an intersection point of the second rotating shaft 20 and the reference cross section is O2, and O1 and O2 of the air supply device have different positions.
In specific implementation, when the air supply device works, the controller 50 drives the first driving piece 60 to make the fan blades rotate around the O1 at a high speed, so that airflow flows into and out of the air supply device; the controller drives the second driving member 70 to rotate the air supply assembly 10 or the air supply casing 11 at a low speed around the O2 through a connection or transmission mechanism, so that the direction of the air flow flowing out of the air supply device is changed, air sweeping or fixed air supply to different directions is realized, and the requirement of up-and-down air supply of the indoor unit of the air conditioner is met.
Specifically, at least a part of the outer contour surface of the air supply casing 11 is a partial arc surface of a cylindrical surface centered on the second rotation shaft 20.
In the present embodiment, the air supply housing 11 includes a volute 114 and a volute tongue 115, and the volute 114 and the volute tongue 115 together form an air duct 111, an air inlet 112 and an air supply outlet 113; the volute 114 and the volute tongue 115 are located on both sides of the second rotation axis 20, and a minimum distance between the volute 114 and the second rotation axis 20 is not equal to a minimum distance between the volute tongue 115 and the second rotation axis 20. The arrangement can set a proper distance between the volute 114 and the second rotating shaft 20 according to the structures of the volute 115 and the volute 114, so that the volute 115 and the volute 114 pass through a proper arc length in the rotating process, the volute 114 and the volute 115 can be prevented from blocking the air outlet of the fan blade 12, the air outlet quantity of the air supply outlet 113 can be ensured, the volute 114 and the volute 115 can be ensured to have more reasonable layout in the air supply device, and the whole layout of the air supply device is convenient.
Specifically, the volute 114 and the volute tongue 115 are different in structure, shape and size, the minimum distance between the volute 114 and the second rotation axis 20 is greater than the minimum distance between the volute tongue 115 and the second rotation axis 20, as shown in fig. 1 and 2, the size of the volute tongue 115 is smaller than that of the volute 114, so in order to match the sizes of the volute 114 and the volute tongue 115, the distances between the volute 114 and the volute tongue 115 and the second rotation axis 20 are set to be different, it is required that the minimum distance between the volute 114 and the second rotation axis 20 is larger than the minimum distance between the volute tongue 115 and the second rotation axis 20, and further, the arc length of the volute 114 passing through in the rotation process is different from the arc length of the volute tongue 115 passing through in the rotation process, the air outlet area of the air supply opening between the volute and the volute is enlarged, the volute and the volute are guaranteed not to shield air flow blown out from the fan blade, and the volute are enabled not to interfere with other parts of the air supply device in the rotation process.
In the present embodiment, the volute 114 has a volute outer contour surface 116, the volute outer contour surface 116 is a partial arc surface of a first cylindrical surface, a center line of the first cylindrical surface coincides with the second rotation axis 20, and a radius of the first cylindrical surface is R1; the volute tongue 115 is provided with a volute tongue outer contour surface 117, the volute tongue outer contour surface 117 is a partial arc surface of a second cylindrical surface, the center line of the second cylindrical surface is coincident with the second rotating shaft, and the radius of the second cylindrical surface is R2; wherein the minimum distance between the volute 114 and the second rotation axis 20 is the distance between the volute contour surface 116 and the second rotation axis 20, and the minimum distance between the volute tongue 115 and the second rotation axis 20 is the distance between the volute tongue contour surface 117 and the second rotation axis 20.
In the present embodiment, the air supply device further includes a housing 40, at least a portion of the air supply assembly 10 is disposed in the housing 40, and the housing 40 includes a first housing portion 41 and a second housing portion 42; the first housing portion 41 is disposed opposite at least a portion of the volute 114, the first housing portion 41 being spaced from at least a portion of the volute 114; and/or second housing portion 42 is disposed opposite at least a portion of volute tongue 115, and second housing portion 42 is spaced from at least a portion of volute tongue 115. This arrangement enables the blower assembly 10 or the blower housing 11 to be smoothly rotated without interference.
In specific implementation, when the air supply assembly 10 or the air supply housing 11 is driven to rotate by an angle θ, the length of the arc passed by the volute tongue 115 is L1 ═ R1 ═ θ, and the length of the arc passed by the volute 114 is L2 ═ R2 ×. When the air supply assembly 10 or the air supply shell 11 is driven to rotate, the same angular displacement is achieved, and because R1 is not equal to R2, L1 is not equal to L2, the volute tongue 115 and the volute 114 can be flexibly arranged according to requirements to match the required structural space, and the layout of the whole structure is facilitated. In addition, the volute tongue 115 and the volute 114 are prevented from blocking the air outlet in the rotation process, and the air quantity of the air supply outlet 113 is ensured. Such an arrangement may satisfy the different mating length requirements of the volute tongue 115 and volute 114. That is, when R1< R2, L1< L2, the arc length of the outer contour surface 116 of the volute or a part of the arc length of the first housing portion 41 is small, and the structural space required for fitting the volute is small; on the contrary, when R2< R1 and L2< L1, the structural space required for the engagement of the volute tongue 115 is small, which is convenient for the layout of the whole structure.
In the present embodiment, the volute 114 has a volute outer contour surface 116, the volute outer contour surface 116 is a partial arc surface of a first cylindrical surface, a center line of the first cylindrical surface coincides with the second rotation axis 20, and a radius of the first cylindrical surface is R1; the first housing part 41 has a first surface 411, the first surface 411 is arranged opposite to at least part of the volute 114, the first surface 411 is a partial arc of a third cylindrical surface, the center line of the third cylindrical surface coincides with the second rotation axis 20, and the radius of the third cylindrical surface is R3; the clearance between the first surface 411 and the volute outer contour surface 116 is d 1; wherein, R3 ═ R1+ d 1. This arrangement enables the blower assembly 10 or the blower housing 11 to be smoothly rotated without interference.
Preferably, the outer diameter of the fan blade 12 is D; wherein D1 is more than or equal to 0.01D and less than or equal to 0.1D. The arrangement can reduce gas backflow, can also ensure reasonable structural layout of the air supply device, and avoids overlarge size.
In this embodiment, the volute tongue 115 has a volute tongue outer contour surface 117, the volute tongue outer contour surface 117 is a partial arc surface of a second cylindrical surface, the center line of the second cylindrical surface coincides with the second rotating shaft 20, and the radius of the second cylindrical surface is R2; the second housing part 42 has a second surface 421, the second surface 421 is disposed opposite to at least part of the volute tongue 115, the second surface 421 is a partial arc surface of a fourth cylindrical surface, a center line of the fourth cylindrical surface coincides with the second rotation axis 20, a radius of the fourth cylindrical surface is R4, and a gap between the second surface 421 and the volute tongue outer contour surface 117 is d 2; wherein, R4 ═ R2+ d 2. This arrangement enables the blower assembly 10 or the blower housing 11 to be smoothly rotated without interference.
Preferably, the outer diameter of the fan blade 12 is D; wherein D2 is more than or equal to 0.01D and less than or equal to 0.1D. The arrangement can reduce gas backflow, can also ensure reasonable structural layout of the air supply device, and avoids overlarge size.
It should be noted that, because d1 and d2 are smaller, the resistance of the backflow airflow is increased, and the backflow is reduced; the smaller the gap, the smaller the reflow, but the increased manufacturing accuracy requirements. It is desirable to set d1, d2 within a reasonable range.
In this embodiment, the air supply device further includes a housing 40, at least a portion of the air supply assembly 10 is disposed in the housing 40, and the air supply outlet 113 is disposed outside the housing 40 after passing through the housing 40. The air is directly supplied through the air supply outlet of the air supply assembly, so that air quantity loss is avoided, and the air quantity of the air supply device is ensured.
In this embodiment, the air supply device further includes a first driving member 60, and the first driving member 60 is connected to the fan blade 12 to drive the fan blade 12 to rotate. Specifically, the first driving member 60 drives the fan blades 12 to rotate at a high speed, so that air enters and exits the air supply device. Optionally, the first drive 60 is an electric motor.
In this embodiment, the air supply device further includes a second driving member 70, and the second driving member 70 is connected to the air supply assembly 10 or the air supply housing 11 to drive the air supply assembly 10 or the air supply housing 11 to rotate. Specifically, the second driving element 70 drives the air supply assembly 10 or the air supply housing 11 to rotate, so that the air outlet direction of the air supply device is changed. Optionally, the second drive 70 is an electric motor.
Alternatively, the air supply assembly 10 is a cross-flow fan or a centrifugal fan.
The invention also provides an air-conditioning indoor unit, please refer to fig. 3 and 4, which comprises an air supply device, wherein the air supply device is the air supply device in the above embodiment.
Specifically, the casing 40 of the air supply device includes the bottom case 2, the panel 3 and the panel body of the indoor unit of the air conditioner. The first housing portion 41 is a bottom case or a partial structure of the bottom case, and the second housing portion 42 is a panel and a panel body or an integral partial structure of the panel and the panel body. Specifically, a part of the bottom case is formed by an arc having a center O2 and a radius R1+ d1, and a part of the panel and the panel body is formed by an arc having a center O2 and a radius R2+ d 2.
Specifically, the air-conditioning indoor unit further comprises a heat exchanger 4 and a filter screen 5. When the indoor unit of the air conditioner works, airflow sequentially flows through the filter screen, the heat exchanger and the air supply device. A gap D1 is kept between an arc with the radius of R1+ D1 and an arc with the outer contour radius of R1, a gap D2 is kept between an arc with the radius of R2+ D2 and an arc with the outer contour radius of R2, and backflow is reduced, preferably, 0.01D ≦ (D1, D2) ≦ 0.10D (D fan blade outer diameter).
The beneficial effect of this application: the air volume of the indoor unit of the air conditioner is increased, the heat exchange efficiency of the heat exchanger is improved, and the performance of the air conditioner is improved; the pneumatic noise in the air supply process is reduced, and the user experience of the air conditioner is more comfortable. Because no air deflector 1 blocks at the air supply opening in the air sweeping process, the air outlet is smoother, the wind resistance is smaller, the air quantity attenuation is smaller, the flowing vortex of the supplied air is reduced, and the problems of air quantity reduction and pneumatic noise caused by the upper and lower air supply air deflectors 1 of the existing air-conditioning indoor unit are solved.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
according to the air supply device, the air supply direction of the air supply outlet 113 is changed by rotatably arranging the air supply assembly 10 or the air supply shell 11 around the second rotating shaft 20, so that the up-and-down air supply of the air supply device is realized, the mode that the air guide plate 1 is arranged at the air supply outlet 113 to change the air supply direction in the prior art is cancelled, the problem that the air quantity is reduced due to the arrangement of the air guide plate 1, so that the performance of an air conditioner is reduced is solved, and the problem of aerodynamic noise caused by the up-and-down air supply of the air guide plate 1 is also solved; and, this air supply arrangement is parallel with the first rotation axis 121 of second rotation axis 20 and fan blade 12 and looks interval setting, such setting makes the second rotation axis 20 and the first rotation axis 121 disalignment setting of air supply subassembly 10 or air supply casing 11, make the arc length that different positions of air supply casing 11 passed through at rotatory in-process different, avoid air supply casing 11 to appear sheltering from the condition of fan blade 12 air-out at rotatory in-process, air supply arrangement's air supply volume has further been increaseed, and the setting of second rotation axis 20 and first rotation axis 121 disalignment can be in a flexible way as required the position that sets up air supply casing 11, be convenient for the holistic overall arrangement of air supply arrangement.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An air supply arrangement, characterized by comprising an air supply assembly (10), the air supply assembly (10) comprising:
the air supply device comprises an air supply shell (11), wherein the air supply shell (11) is provided with an air duct (111), and an air inlet (112) and an air outlet (113) which are communicated with the air duct (111);
the fan blades (12), at least part of the fan blades (12) are arranged in the air supply shell (11), and the fan blades (12) are rotatably arranged so that air entering the air channel (111) from the air inlet (112) flows out through the air supply outlet (113);
the air supply assembly (10) or the air supply shell (11) is rotatably arranged around a second rotating shaft (20) so as to change the air supply direction of the air supply outlet (113); the second rotating shaft (20) and the first rotating shaft (121) of the fan blade (12) are arranged in parallel and at intervals;
the air supply shell (11) comprises a volute (114) and a volute tongue (115), and the volute (114) and the volute tongue (115) jointly form the air duct (111), the air inlet (112) and the air supply outlet (113); the volute (114) and the volute tongue (115) are located on both sides of the second rotation axis (20), and the minimum distance between the volute (114) and the second rotation axis (20) is not equal to the minimum distance between the volute tongue (115) and the second rotation axis (20).
2. The air supply arrangement of claim 1, wherein the volute (114) has a volute outer contour surface (116), the volute outer contour surface (116) being a part-arc of a first cylindrical surface, a center line of the first cylindrical surface coinciding with the second axis of rotation (20), the first cylindrical surface having a radius of R1;
the volute tongue (115) is provided with a volute tongue outer contour surface (117), the volute tongue outer contour surface (117) is a partial arc surface of a second cylindrical surface, the center line of the second cylindrical surface is coincident with the second rotating shaft, and the radius of the second cylindrical surface is R2;
wherein the minimum distance between the volute (114) and the second rotation axis (20) is the distance between the volute outer contour surface (116) and the second rotation axis (20), and the minimum distance between the volute tongue (115) and the second rotation axis (20) is the distance between the volute tongue outer contour surface (117) and the second rotation axis (20).
3. The air supply arrangement of claim 1, further comprising a housing (40), at least part of the air supply assembly (10) being disposed within the housing (40), the housing (40) comprising a first housing portion (41) and a second housing portion (42);
the first housing part (41) is arranged opposite to at least part of the volute (114), the first housing part (41) is arranged at a distance from at least part of the volute (114); and/or
The second housing portion (42) is disposed opposite at least a portion of the volute tongue (115), and the second housing portion (42) is spaced from at least a portion of the volute tongue (115).
4. The air supply arrangement of claim 3, wherein the volute (114) has a volute outer contour surface (116), the volute outer contour surface (116) being a part-arc of a first cylindrical surface, a center line of the first cylindrical surface coinciding with the second axis of rotation (20), the first cylindrical surface having a radius of R1;
the first housing part (41) has a first surface (411), the first surface (411) is arranged opposite to at least part of the volute (114), the first surface (411) is a part-arc surface of a third cylindrical surface, the center line of the third cylindrical surface coincides with the second rotating shaft (20), and the radius of the third cylindrical surface is R3; a gap between the first surface (411) and the volute outer contour surface (116) is d 1; wherein, R3 ═ R1+ d 1.
5. The air supply device according to claim 4, characterized in that the outer diameter of the fan blade (12) is D; wherein D1 is more than or equal to 0.01D and less than or equal to 0.1D.
6. The air supply arrangement of claim 3, wherein the volute tongue (115) has a volute tongue outer contour surface (117), the volute tongue outer contour surface (117) being a partial arc of a second cylindrical surface, the centerline of the second cylindrical surface coinciding with the second axis of rotation (20), the second cylindrical surface having a radius of R2;
the second housing part (42) is provided with a second surface (421), the second surface (421) is arranged opposite to at least part of the volute tongue (115), the second surface (421) is a partial cambered surface of a fourth cylindrical surface, the central line of the fourth cylindrical surface is coincident with the second rotating shaft (20), the radius of the fourth cylindrical surface is R4, and the gap between the second surface (421) and the volute tongue outer contour surface (117) is d 2; wherein, R4 ═ R2+ d 2.
7. The air supply device according to claim 6, characterized in that the outer diameter of the fan blade (12) is D; wherein D2 is more than or equal to 0.01D and less than or equal to 0.1D.
8. The air supply device according to claim 1 or 2, further comprising a housing (40), wherein at least a part of the air supply assembly (10) is disposed in the housing (40), and the air supply outlet (113) is disposed outside the housing (40) after penetrating through the housing (40).
9. An indoor unit of an air conditioner, comprising an air blowing device, characterized in that the air blowing device is the air blowing device according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110815831.4A CN113550931B (en) | 2021-07-19 | 2021-07-19 | Air supply device and air conditioner indoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110815831.4A CN113550931B (en) | 2021-07-19 | 2021-07-19 | Air supply device and air conditioner indoor unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113550931A CN113550931A (en) | 2021-10-26 |
| CN113550931B true CN113550931B (en) | 2022-08-02 |
Family
ID=78103424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110815831.4A Active CN113550931B (en) | 2021-07-19 | 2021-07-19 | Air supply device and air conditioner indoor unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113550931B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114110777B (en) * | 2021-11-29 | 2022-11-18 | 珠海格力电器股份有限公司 | Air conditioner indoor unit and air conditioner with same |
| CN114198327A (en) * | 2021-12-09 | 2022-03-18 | 珠海格力电器股份有限公司 | Air duct structure and indoor unit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451749A (en) * | 2007-11-28 | 2009-06-10 | 珠海格力电器股份有限公司 | Indoor machine of air conditioner |
| CN202993372U (en) * | 2012-08-28 | 2013-06-12 | 广东美的制冷设备有限公司 | Air conditioner with rotary type air channel structure |
| JP2014070775A (en) * | 2012-09-28 | 2014-04-21 | Fujitsu General Ltd | Air conditioner |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004293819A (en) * | 2003-03-25 | 2004-10-21 | Mitsubishi Electric Corp | Air conditioner, operation method of indoor unit of air conditioner, and control method of indoor unit of air conditioner |
| CN102003746B (en) * | 2009-08-28 | 2014-04-30 | 乐金电子(天津)电器有限公司 | Integrated window-type air conditioner |
| CN109945304B (en) * | 2019-02-26 | 2024-05-24 | 广东美的制冷设备有限公司 | Air Conditioner |
| CN109780708B (en) * | 2019-02-26 | 2021-10-26 | 广东美的制冷设备有限公司 | Air conditioner indoor unit and air conditioner with same |
| CN209558509U (en) * | 2019-02-26 | 2019-10-29 | 广东美的制冷设备有限公司 | Rotating cylinder component and air conditioner with it |
| CN111306757B (en) * | 2020-02-28 | 2021-09-21 | 重庆海尔空调器有限公司 | Air duct assembly and air conditioning equipment |
-
2021
- 2021-07-19 CN CN202110815831.4A patent/CN113550931B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451749A (en) * | 2007-11-28 | 2009-06-10 | 珠海格力电器股份有限公司 | Indoor machine of air conditioner |
| CN202993372U (en) * | 2012-08-28 | 2013-06-12 | 广东美的制冷设备有限公司 | Air conditioner with rotary type air channel structure |
| JP2014070775A (en) * | 2012-09-28 | 2014-04-21 | Fujitsu General Ltd | Air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113550931A (en) | 2021-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113550931B (en) | Air supply device and air conditioner indoor unit | |
| EP1607689B1 (en) | Air conditioner | |
| CN107525143A (en) | Air conditioner | |
| CN216769592U (en) | Fan assembly and air duct machine | |
| CN101144633A (en) | Embedded air-conditioner indoor set | |
| CN113357811B (en) | Air inlet structure, fresh air device and air conditioner | |
| CN209181106U (en) | Air conditioner indoor unit and air conditioner | |
| CN108375109A (en) | Vertical air-conditioner indoor unit | |
| CN216814376U (en) | Air pipe type air conditioner indoor unit | |
| CN215409277U (en) | Air supply device and air conditioner indoor unit | |
| CN211950924U (en) | Air supply device | |
| WO2018235947A1 (en) | Air conditioning indoor unit | |
| CN212319885U (en) | Air conditioner indoor unit and air conditioner | |
| CN109959142B (en) | Air outlet panel and air conditioner indoor unit | |
| CN113566289A (en) | Air duct assembly and air conditioner indoor unit | |
| CN209689039U (en) | Air conditioner indoor unit | |
| CN114322083A (en) | Air conditioner indoor unit and air conditioner | |
| CN113446241A (en) | Air supply device and air conditioner indoor unit | |
| CN207081106U (en) | Air conditioner | |
| CN216716380U (en) | Air supply module, air conditioner indoor unit and air conditioner | |
| CN212511727U (en) | Air diffusing device and floor type air conditioner | |
| CN217209568U (en) | Air conditioner | |
| CN213514126U (en) | Machine and air conditioner in new trend device, air conditioning | |
| CN217844191U (en) | Machine in new trend device and air conditioning | |
| CN216814370U (en) | Air conditioner indoor unit and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |