CN108644905A - Air outlet duct structure and air conditioner - Google Patents
Air outlet duct structure and air conditioner Download PDFInfo
- Publication number
- CN108644905A CN108644905A CN201810670565.9A CN201810670565A CN108644905A CN 108644905 A CN108644905 A CN 108644905A CN 201810670565 A CN201810670565 A CN 201810670565A CN 108644905 A CN108644905 A CN 108644905A
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- Prior art keywords
- air
- air outlet
- spiral case
- double
- suction
- Prior art date
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Links
- 241000237858 Gastropoda Species 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
Classifications
-
- 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
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
- F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
-
- 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
- F24F1/0022—Centrifugal or radial 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
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0033—Indoor units, e.g. fan coil units characterised by fans having two or more fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
The invention provides an air outlet duct structure and an air conditioner. The air outlet duct structure comprises a double-suction centrifugal fan (1), a first volute (2) and a second volute (3), wherein the first volute (2) is arranged on a first air suction side of the double-suction centrifugal fan (1), the second volute (3) is arranged on a second air suction side of the double-suction centrifugal fan (1), the first volute (2) is provided with a first air outlet (4), and the second volute (3) is provided with a second air outlet (5). According to the air outlet duct structure, the space occupation of the air conditioner can be reduced, and the cost of the air conditioner is reduced.
Description
Technical field
The invention belongs to air-conditioning technique fields, and in particular to a kind of exhaust air flue structure and air conditioner.
Background technology
Existing air-conditioning requires to be gradually increased to comfort, and floor standing air-conditioner uses the design of upper and lower air outlet, disclosure satisfy that cold
Preferably air-supply effect is realized in the requirement that air-flow uptake shower type is blown with blanket type air-supply in air port under thermal current.
But it is arranged in upper and lower position using double centrifugal blowers, wind turbine in current cabinet-type air conditioner air duct, not only cost is higher,
And occupied space is larger, for the environment of space relatively narrower, it is difficult to carry out the laying of air-conditioning so that the use of air conditioner by
Limitation.
Invention content
Therefore, the technical problem to be solved in the present invention is to provide a kind of exhaust air flue structure and air conditioner, can reduce
The space hold of air conditioner reduces the cost of air conditioner.
To solve the above-mentioned problems, the present invention provides a kind of exhaust air flue structure, including double-suction centrifugal fan, the first spiral case
With the second spiral case, the first suction side in double-suction centrifugal fan is arranged in the first spiral case, and the second spiral case is arranged in double-suction centrifugal fan
The second suction side, the first spiral case have the first air outlet, the second spiral case have the second air outlet.
Preferably, the direction of the first air outlet and the second air outlet is identical.
Preferably, the first air outlet and the second air outlet are located at the both ends of the same diameter of double-suction centrifugal fan.
Preferably, the first spiral case includes the first eddy flow section set gradually along air flow direction and the first expansion segment, and first expands
Section is opened along air-flow direction area of section to be incremented by；And/or second spiral case include along air flow direction set gradually second rotation
Section and the second expansion segment are flowed, the second expansion segment is incremented by along air-flow direction area of section.
Preferably, the first expansion segment is expanded towards the second suction side；And/or second expansion segment expand towards the first suction side
.
Preferably, in the plane perpendicular to the central axis of double-suction centrifugal fan, the first expansion segment is along the first eddy flow
The export direction of section extends, and the second expansion segment is oppositely extending along the export direction of the second eddy flow section.
Preferably, a diameter of 300mm-400mm of the first spiral case and the second spiral case at the fan blade of double-suction centrifugal fan, wind
The axial height of a diameter of 240mm-320mm of leaf, fan blade are 90mm-140mm.
According to another aspect of the present invention, a kind of air conditioner is provided, including shell and the outlet air wind that is arranged in shell
Road structure, the exhaust air flue structure are above-mentioned exhaust air flue structure.
Preferably, shell includes upper air outlet and lower air outlet, and the first air outlet corresponds to upper air outlet setting, the second outlet air
The corresponding lower air outlet setting of mouth.
Preferably, it is provided with air outlet guard board at upper air outlet and/or lower air outlet.
Preferably, the first air inlet and the second air inlet are additionally provided on shell, the first air inlet corresponds to the first suction side
Setting, the second air inlet correspond to the setting of the second suction side.
Preferably, First Heat Exchanger and the second heat exchanger are additionally provided in shell, First Heat Exchanger is arranged in the first air-breathing
Between side and the first air inlet, the second heat exchanger is arranged between the second suction side and the second air inlet.
Exhaust air flue structure provided by the invention, including double-suction centrifugal fan, the first spiral case and the second spiral case, the first spiral case
The first suction side in double-suction centrifugal fan is set, and the second suction side in double-suction centrifugal fan, the first snail is arranged in the second spiral case
There is shell the first air outlet, the second spiral case to have the second air outlet.The exhaust air flue structure carries out two using double-suction centrifugal fan
Side air draught can reduce wind turbine quantity, reduce equipment cost, while can reduce the volume of exhaust air flue structure, reduce air-conditioning
The space hold of device increases the utilization ratio of wind turbine, improves air quantity, can also improve the flowing of the circulation air in room, increases
Strong indoor comfort.
Description of the drawings
Fig. 1 is the structural schematic diagram of the exhaust air flue structure of the embodiment of the present invention；
Fig. 2 is the side structure schematic view of the exhaust air flue structure of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the air conditioner of the embodiment of the present invention.
Reference numeral is expressed as：
1, double-suction centrifugal fan；2, the first spiral case；3, the second spiral case；4, the first air outlet；5, the second air outlet；6, first
Eddy flow section；7, the first expansion segment；8, the second eddy flow section；9, the second expansion segment；10, shell；11, upper air outlet；12, lower outlet air
Mouthful；13, the first air inlet；14, the second air inlet；15, First Heat Exchanger；16, the second heat exchanger.
Specific implementation mode
In conjunction with referring to shown in Fig. 1 to Fig. 3, according to an embodiment of the invention, exhaust air flue structure includes double-suction centrifugal fan
1, the first suction side in double-suction centrifugal fan 1, the setting of the second spiral case 3 is arranged in the first spiral case 2 and the second spiral case 3, the first spiral case 2
In the second suction side of double-suction centrifugal fan 1, there is the first spiral case 2 first air outlet 4, the second spiral case 3 to have the second air outlet
5。
The exhaust air flue structure carries out both sides air draught using double-suction centrifugal fan 1, can reduce wind turbine quantity, reduces equipment
Cost, while the volume of exhaust air flue structure can be reduced, reduce the space hold of air conditioner, increase the utilization ratio of wind turbine,
Air quantity is improved, the flowing of the circulation air in room can also be improved, enhances indoor comfort.
Preferably, the first air outlet 4 is identical with the direction of the second air outlet 5, it is however generally that, air outlet is away from installation
Metope is dried away from the direction of metope, therefore so that the first air outlet 4 is identical with the direction of the second air outlet 5, Neng Goubao
The consistency for demonstrate,proving 3 air-out direction of the first spiral case 2 and the second spiral case, realizes the maximization of air-out volume so that room air can
Quickly adjusted.
The direction of first air outlet 4 and the second air outlet 5 can also be opposite so that the first air outlet 4 is towards first direction
Outlet air, the second air outlet 5 towards the second direction outlet air opposite with first direction so that the outlet air of the first air outlet 4 and
The outlet air of second air outlet 5 can form cycle, further speed up indoor air flows efficiency, realize the fast velocity modulation of room air
Section, while can also avoid, to human body blow-through, improving the user experience.
Preferably, the first air outlet 4 and the second air outlet 5 are located at the both ends of the same diameter of double-suction centrifugal fan 1,
So that have maximum spacing between the first air outlet 4 and the second air outlet 5, smaller, the outlet air effect that influences each other when outlet air
Fruit is more preferable, outlet air area coverage bigger, is adjusted to indoor air temperature rapider.
In the present embodiment, the first spiral case 2 includes the first eddy flow section 6 set gradually along air flow direction and the first expansion segment
7, the first expansion segment 7 is incremented by along air-flow direction area of section, the gas that the first eddy flow section 6 can suck the first suction side
Stream carries out eddy flow guiding so that water conservancy diversion going out from first eddy flow section 6 of the air of the first suction side sucking Jing Guo the first eddy flow section 6
Gas port is blown out, and then carries out diffusion through the first expansion segment 7, is increased the air-out area of the first spiral case 2 and is gone out wind pressure, improves first
The draft capacity and area coverage of spiral case 2.
Preferably, the second spiral case 3 includes along air the second eddy flow section 8 for setting gradually of flow direction and the second expansion segment 9 second
Expansion segment 9 is incremented by along air-flow direction area of section, and the second eddy flow section 8 can carry out the air-flow that the second suction side sucks
Eddy flow is oriented to so that water conservancy diversion of the air of the second suction side sucking Jing Guo the second eddy flow section 8 is blown from the gas outlet of the second eddy flow section 8
Go out, then carry out diffusion through the second expansion segment 9, increase the air-out area of the second spiral case 3 and go out wind pressure, improves the second spiral case 3
Draft capacity and area coverage.
Preferably, the air-out direction of the air outlet of the first eddy flow section 6 and the air outlet of the second eddy flow section 8 is on the contrary, can make
It is opposite to obtain the air-out direction of the first spiral case 2 and the second spiral case 3 at eddy flow section so that 9 shape of the first expansion segment 7 and the second expansion segment
At dislocation, the structure change for realizing the first expansion segment 7 and the second expansion segment 9 is easily facilitated, and is ensured on the basis for realizing diffusion
The position of the first expansion segment 7 and the second expansion segment 9 between upper will not interfere, and structure design is more reasonable.
Preferably, the first expansion segment 7 is expanded towards the second suction side；And/or second expansion segment 9 towards the first suction side
Expansion, enables to the projection at least portion of the first expansion segment 7 and the second expansion segment 9 on the central rotating shaft of double-suction centrifugal fan 1
Distribution is raw to be overlapped, and to reduce width of the exhaust air flue structure on the axial direction of double-suction centrifugal fan 1, reduces exhaust air flue
The volume of structure so that exhaust air flue structure occupied space smaller, and then realize the miniaturization of air conditioner so that air conditioner can be with
Suitable for the limited occasion in space, and enough air quantity are capable of providing, ensure the working performance of air-conditioning.
Preferably, the projection of the first expansion segment 7 and the second expansion segment 9 on the central rotating shaft of double-suction centrifugal fan 1 is basic
On overlapped on the central rotating shaft of double-suction centrifugal fan 1 completely so that the structure design of exhaust air flue structure can be optimal.
Preferably, in the plane perpendicular to the central axis of double-suction centrifugal fan 1, the first expansion segment 7 is along the first rotation
The export direction for flowing section 6 extends, and the second expansion segment 9 is oppositely extending along the export direction of the second eddy flow section 8.Due to the first eddy flow
Section 6 and the second eddy flow section 8 are in the direction of air outlet on the contrary, therefore how expansion segment continues on the air-out direction of eddy flow section prolongs
It stretches, then can lead to the air outlet direction of two expansion segments on the contrary, cannot keep outlet air in the same direction, therefore, it is necessary to expand one of
The extending direction for opening section is adjusted, and keeps its oppositely extending, so that the first spiral case 2 and the second spiral case 3 are in the first air outlet 4
It is consistent with the air-out direction at the second air outlet 5.
The a diameter of 300mm-400mm of first spiral case 2 and the second spiral case 3 at the fan blade of double-suction centrifugal fan 1, fan blade
The axial height of a diameter of 240mm-320mm, fan blade are 90mm-140mm.The fan blade of double-suction centrifugal fan 1 carries out ruler with spiral case
When very little cooperation, for spiral case inner-spiral type flowing law to be met, fan blade will be required to exist with spiral case on axially and radially
Certain gap, and be designed as above-mentioned size, can effectively improve air quantity and reduce Rotation Noise and Kuanping Terrane.
In conjunction with shown in Figure 3, according to an embodiment of the invention, air conditioner includes shell 10 and is arranged in shell 10
Exhaust air flue structure, the exhaust air flue structure are above-mentioned exhaust air flue structure.
Preferably, shell 10 includes upper air outlet 11 and lower air outlet 12, and the first air outlet 4 corresponds to upper air outlet 11 and sets
It sets, the second air outlet 5 corresponds to lower air outlet 12 and is arranged, so as to so that air conditioner realization distribution air-supply up and down, expands model of blowing
It encloses and air-supply air quantity, while improving the flowing of the circulation air in room, enhance indoor comfort.
Preferably, be provided with air outlet guard board at upper air outlet 11 and/or lower air outlet 12, can open as needed or
Air outlet 11 or lower air outlet 12 in closing realize upper outlet air and heating outlet air at present when refrigeration, meet cold airflow uptake
Shower type is blown and blanket type air-supply in air port under thermal current, and the use feeling of user is further increased.
The first air inlet 13 and the second air inlet 14 are additionally provided on shell 10, the first air inlet 13 corresponds to the first suction side
Setting, the second air inlet 14 correspond to the setting of the second suction side, and the first suction side of double-suction centrifugal fan 1 can pass through the first air inlet
Mouth 13 is entered the wind, and the second suction side of double-suction centrifugal fan 1 can be entered the wind by the second air inlet 14, meet double-suction centrifugal fan 1
Air inlet requirement.
First Heat Exchanger 15 and the second heat exchanger 16 are additionally provided in shell 10, First Heat Exchanger 15 is arranged in the first air-breathing
Between side and the first air inlet 13, the second heat exchanger 16 is arranged between the second suction side and the second air inlet 14, so as to
Air to entering double-suction centrifugal fan 1 exchanges heat so that the air of blowout is met the requirements.
When the air conditioner works, motor drives double sucking centrifugal wind blade rotation, under the suction function of double-suction centrifugal pump impeller,
Circulating current is sucked from both sides air inlet, after heat exchanger, into double-suction centrifugal pump impeller, after impeller does work, is located at
The air-flow of first suction side passes through the 2 upward outlet air of the first spiral case, and the air-flow positioned at the second suction side goes out downwards by the second spiral case 3
Wind, under the action of realizing by a double-suction centrifugal pump impeller, motor and two spiral cases, distributed air-supply up and down improves indoor relax
Adaptive.
Since double-suction centrifugal fan 1 is entered the wind using both sides double suction, allows indoor air-flow to be flowed from room both sides, and go out up and down
Wind forms the circulating current of packaging type in a room, further improves room comfort.Meanwhile it relaxing improving indoor unit
On the basis of adaptive and performance, the same motor is shared by centrifugation blade, reduces number of motors, reduces indoor unit cost, and
It is further to solve the problems, such as conditioned space deficiency.
Those skilled in the art will readily recognize that under the premise of not conflicting, above-mentioned each advantageous manner can be free
Ground combination, superposition.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made by within principle etc., should all be included in the protection scope of the present invention.Above only
It is the preferred embodiment of the present invention, it is noted that for those skilled in the art, do not departing from this hair
Under the premise of bright technical principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as the guarantor of the present invention
Protect range.
Claims (12)
1. a kind of exhaust air flue structure, which is characterized in that including double-suction centrifugal fan (1), the first spiral case (2) and the second spiral case
(3), the first spiral case (2) setting is in the first suction side of the double-suction centrifugal fan (1), the second spiral case (3) setting
In the second suction side of the double-suction centrifugal fan (1), first spiral case (2) has the first air outlet (4), second snail
Shell (3) has the second air outlet (5).
2. exhaust air flue structure according to claim 1, which is characterized in that first air outlet (4) and described second
The direction of air outlet (5) is identical.
3. exhaust air flue structure according to claim 1, which is characterized in that first air outlet (4) and described second
Air outlet (5) is located at the both ends of the same diameter of the double-suction centrifugal fan (1).
4. exhaust air flue structure according to claim 1, which is characterized in that first spiral case (2) includes along air stream
To the first eddy flow section (6) and the first expansion segment (7) set gradually, first expansion segment (7) is cut along air-flow direction
Face area is incremented by；And/or second spiral case (3) includes that the second eddy flow section (8) set gradually along air flow direction and second are expanded
Section (9) is opened, second expansion segment (9) is incremented by along air-flow direction area of section.
5. exhaust air flue structure according to claim 4, which is characterized in that first expansion segment (7) is towards described
Two suction sides are expanded；And/or second expansion segment (9) is expanded towards first suction side.
6. exhaust air flue structure according to claim 4, which is characterized in that perpendicular to the double-suction centrifugal fan (1)
Central axis plane in, first expansion segment (7) along the first eddy flow section (6) export direction extend, it is described
Second expansion segment (9) is oppositely extending along the export direction of the second eddy flow section (8).
7. exhaust air flue structure according to claim 1, which is characterized in that first spiral case (2) and second snail
Shell (3) a diameter of 300mm-400mm at the fan blade of the double-suction centrifugal fan (1), a diameter of 240mm- of the fan blade
The axial height of 320mm, the fan blade are 90mm-140mm.
8. a kind of air conditioner includes the exhaust air flue structure of shell (10) and setting in the shell (10), which is characterized in that
The exhaust air flue structure is the exhaust air flue structure described in any one of claim 1 to 7.
9. air conditioner according to claim 8, which is characterized in that the shell (10) include upper air outlet (11) and under go out
Air port (12), the first air outlet (4) correspondence upper air outlet (11) is arranged, described in the second air outlet (5) correspondence
Lower air outlet (12) setting.
10. air conditioner according to claim 9, which is characterized in that the upper air outlet (11) and/or the lower air outlet
(12) air outlet guard board is provided at.
11. air conditioner according to claim 8, which is characterized in that be additionally provided with the first air inlet on the shell (10)
(13) it is arranged with the second air inlet (14), corresponding first suction side of first air inlet (13), second air inlet
(14) the corresponding second suction side setting.
12. air conditioner according to claim 11, which is characterized in that be additionally provided with First Heat Exchanger in the shell (10)
(15) it is arranged in first suction side and first air inlet with the second heat exchanger (16), the First Heat Exchanger (15)
(13) between, second heat exchanger (16) is arranged between second suction side and second air inlet (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810670565.9A CN108644905B (en) | 2018-06-26 | 2018-06-26 | Air outlet duct structure and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810670565.9A CN108644905B (en) | 2018-06-26 | 2018-06-26 | Air outlet duct structure and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108644905A true CN108644905A (en) | 2018-10-12 |
| CN108644905B CN108644905B (en) | 2023-10-27 |
Family
ID=63753744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810670565.9A Active CN108644905B (en) | 2018-06-26 | 2018-06-26 | Air outlet duct structure and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108644905B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340908A (en) * | 2018-11-15 | 2019-02-15 | 珠海格力电器股份有限公司 | Air conditioner indoor unit and air conditioner |
| CN110056963A (en) * | 2019-05-10 | 2019-07-26 | 青岛海尔空调器有限总公司 | Wall-hanging indoor unit of air conditioner |
| CN110160148A (en) * | 2019-06-25 | 2019-08-23 | 宁波奥克斯电气股份有限公司 | A kind of vertical cabinet-type air conditioner and air conditioner |
| CN110360654A (en) * | 2019-06-25 | 2019-10-22 | 宁波奥克斯电气股份有限公司 | A kind of air-out type packaged air conditioner device up and down |
| CN110836421A (en) * | 2019-11-07 | 2020-02-25 | 珠海格力电器股份有限公司 | Air duct structure and air conditioner |
| CN111197597A (en) * | 2018-11-20 | 2020-05-26 | 珠海格力电器股份有限公司 | Centrifugal fan, centrifugal fan assembly and air conditioner with centrifugal fan assembly |
| CN114110778A (en) * | 2021-11-10 | 2022-03-01 | 珠海格力电器股份有限公司 | Wall-mounted air conditioner and control method |
| CN115479046A (en) * | 2021-05-31 | 2022-12-16 | 广州华凌制冷设备有限公司 | Centrifugal volute, ventilation component with centrifugal volute and air conditioner with centrifugal volute |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109340908A (en) * | 2018-11-15 | 2019-02-15 | 珠海格力电器股份有限公司 | Air conditioner indoor unit and air conditioner |
| CN111197597A (en) * | 2018-11-20 | 2020-05-26 | 珠海格力电器股份有限公司 | Centrifugal fan, centrifugal fan assembly and air conditioner with centrifugal fan assembly |
| CN110056963A (en) * | 2019-05-10 | 2019-07-26 | 青岛海尔空调器有限总公司 | Wall-hanging indoor unit of air conditioner |
| CN110160148A (en) * | 2019-06-25 | 2019-08-23 | 宁波奥克斯电气股份有限公司 | A kind of vertical cabinet-type air conditioner and air conditioner |
| CN110360654A (en) * | 2019-06-25 | 2019-10-22 | 宁波奥克斯电气股份有限公司 | A kind of air-out type packaged air conditioner device up and down |
| CN110160148B (en) * | 2019-06-25 | 2024-06-11 | 宁波奥克斯电气股份有限公司 | Vertical cabinet and air conditioner |
| CN110836421A (en) * | 2019-11-07 | 2020-02-25 | 珠海格力电器股份有限公司 | Air duct structure and air conditioner |
| CN115479046A (en) * | 2021-05-31 | 2022-12-16 | 广州华凌制冷设备有限公司 | Centrifugal volute, ventilation component with centrifugal volute and air conditioner with centrifugal volute |
| CN114110778A (en) * | 2021-11-10 | 2022-03-01 | 珠海格力电器股份有限公司 | Wall-mounted air conditioner and control method |
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