CN110173758A - A kind of annular air outlet device, vertical air conditioner cabinet and air conditioner - Google Patents
A kind of annular air outlet device, vertical air conditioner cabinet and air conditioner Download PDFInfo
- Publication number
- CN110173758A CN110173758A CN201910579699.4A CN201910579699A CN110173758A CN 110173758 A CN110173758 A CN 110173758A CN 201910579699 A CN201910579699 A CN 201910579699A CN 110173758 A CN110173758 A CN 110173758A
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- CN
- China
- Prior art keywords
- air
- air outlet
- annular
- current divider
- air conditioner
- 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.)
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Links
- 238000010586 diagram Methods 0.000 description 9
- 238000004378 air conditioning Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
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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
-
- 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
- F24F13/081—Air-flow control members, e.g. louvres, grilles, flaps or guide plates for guiding air around a curve
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Duct Arrangements (AREA)
Abstract
The invention discloses a kind of annular air outlet device, vertical air conditioner cabinet and air conditioner, which includes: air duct, current divider and air outlet；Current divider is set at the air outlet in air duct comprising the first surface and second surface being oppositely arranged, first surface are convex outward, and towards air outlet, second surface forms annular air outlet region between air outlet, current divider and the air outlet.The air-flow flowed out from air duct along second surface flow to round wind outlet after form annular airflow, annular airflow passes through air outlet outflow after the central point of convex outward merges into one air-flow.Annular air outlet device, vertical air conditioner cabinet and air conditioner of the present invention form annular airflow using air duct, air outlet and current divider, and realize precisely air-supply using convex outward.
Description
Technical field
The present invention relates to air-conditioning technical field more particularly to a kind of annular air outlet devices, vertical air conditioner cabinet and air conditioner.
Background technique
With the improvement of people ' s living standards with the development of air-conditioning technical, also increasingly to the air-supply quality requirements of air-conditioning
It is high.But the air outlet of larger size is usually arranged in order to enable blowing range is larger in existing air-conditioning.Due to air outlet
Size is bigger than normal, therefore, blows not accurate enough.If user needs to blow for zonule in this way, such as face or eye, then often
It is difficult meet demand.
Summary of the invention
The present invention provides a kind of annular air outlet device, vertical air conditioner cabinet and air conditioner, to realize precisely air-supply.
In a first aspect, the annular air outlet device includes: air duct, current divider the present invention provides a kind of annular air outlet device
And air outlet；
The current divider is set at the air outlet in the air duct comprising the first surface and the second table being oppositely arranged
Face, the first surface are convex outward, and towards the air outlet, and the second surface is backwards to the air outlet, described point
It flows and forms annular air outlet region between device and the air outlet；
From the air duct flow out air-flow along the second surface flow to the round wind outlet after form annular airflow,
The annular airflow is flowed out after the central point of the convex outward merges into one air-flow by the air outlet.
Further, the first surface and the second surface surround the entire outer surface of the current divider.
Further, the profile and border of the current divider is positioned partially or entirely in the open area of the air outlet.
Further, the second surface of the current divider is the conical surface.
Further, the conical surface is circular conical surface or elliptic cone.
Further, the convex outward is hyperboloid.
Further, the shape of the air outlet is round or oval.
Second aspect, the present invention also provides a kind of vertical air conditioner cabinet, which includes the present invention first
Annular air outlet device described in aspect further includes cabinet-type air conditioner ontology；The cabinet-type air conditioner ontology includes front panel and rear panel；
The air outlet is set to the front panel, and the current divider is set in the cabinet-type air conditioner ontology.
Further, which further includes air inlet；
The air duct is formed between the air inlet and the air outlet.
The third aspect, the present invention also provides a kind of air conditioner, which includes standing described in second aspect of the present invention
Formula cabinet air-conditioner further includes outdoor unit；
The outdoor unit is connected with the vertical air conditioner cabinet.
Annular air outlet device of the present invention by setting including air duct, current divider and air outlet, current divider are set to air duct
Air outlet at comprising the first surface and second surface being oppositely arranged, first surface are convex outward, and towards outlet air
Mouthful, second surface forms annular air outlet region between air outlet, current divider and air outlet, so that the air-flow flowed out from air duct
It is flowed to behind annular air outlet region along second surface and forms annular airflow, annular airflow, which flows through convex surface, can produce Condar effect
It answers, under Coanda effect, annular airflow flows out after the central point of convex surface merges into one air-flow.Due to from air outlet stream
Air-flow out is one from unidirectional air-flow, rather than from the diffusing air current of all directions, it is thereby achieved that precisely
Air-supply.
Detailed description of the invention
Fig. 1 is the overlooking structure diagram of one of embodiment of the present invention annular air outlet device；
Fig. 2 is the air-flow flow schematic diagram of one of embodiment of the present invention annular air outlet device；
Fig. 3 is the structural schematic diagram of the second surface of one of another embodiment of the present invention current divider；
Fig. 4 is the structural schematic diagram of the first surface of one of further embodiment of this invention current divider；
Fig. 5 is the schematic top plan view of one of further embodiment of this invention annular air outlet device；
Fig. 6 is the structural schematic diagram of one of embodiment of the present invention vertical air conditioner cabinet；
Fig. 7 is the cross-sectional view of one of embodiment of the present invention vertical air conditioner cabinet.
Specific embodiment
To make the above purposes, features and advantages of the invention more obvious and understandable, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.It is understood that specific embodiment described herein is used only for explaining this hair
It is bright, rather than limitation of the invention, in addition, in the absence of conflict, the feature in embodiment and embodiment in the present invention
It can be combined with each other.It also should be noted that for ease of description, only the parts related to the present invention are shown in attached drawing
Rather than entire infrastructure.
Fig. 1 is a kind of overlooking structure diagram of annular air outlet device provided in an embodiment of the present invention, and the present embodiment can fit
The case where for realizing accurate air-supply.As shown in Figure 1, the annular air outlet device can specifically include current divider air duct, (Fig. 1 does not show
Out), 110 and air outlet 120, its structure and function is illustrated below.
Current divider 110 may be disposed at the air outlet 120 in air duct, may include the first surface 1101 being oppositely arranged and
Two surfaces 1102, first surface are convex outward, and towards air outlet, second surface backwards to air outlet 120, current divider 110 with
Annular air outlet region is formed between air outlet 120.
From air duct flow out air-flow along second surface flow to round wind outlet after form annular airflow, annular airflow is outside
The central point of convex surface is flowed out after merging into one air-flow by air outlet.
In an embodiment of the present invention, it effectively precisely blows to realize, it is contemplated that setting air duct, 110 and of current divider
Air outlet 120, to form annular air outlet device.As shown in Figure 1, current divider 110 can face be set to air duct (Fig. 1 is not shown)
At air outlet 120.Current divider 110 may include first surface 1101 and second surface 1102.Wherein, during first surface 1101 can be
The convex outward of heart point boss, so-called center point boss can understand as follows: the central point of first surface 1101 is compared to first
Want high in the position of other points on surface 1101.
The set-up mode of above-mentioned current divider 110 and air outlet 120 may make the stream splitter 110 flowed out from air duct
Second surface 1102 flows, and air-flow forms annular airflow after flowing to annular air outlet region, and will be formed in all directions
Annular airflow, annular airflow can flow in annular air outlet region.Further, since 1101 evagination of first surface of current divider 110
Therefore surface when annular airflow is flowed along first surface 1101, will generate Coanda effect in convex surface.Described above
Coanda effect can understand as follows: Coanda effect (i.e. wall attachment effect or Coanda effect) refers to that fluid (i.e. water flow or air-flow) has
Original flow direction is left, the tendency flowed with the body surface of protrusion is changed to.I.e. if the fluid warp smoothly flowed
When crossing the nonreentrant surface with certain camber, have the tendency that adsorbing towards nonreentrant surface.The nonreentrant surface of so-called certain camber can be managed
Solution is that the curvature on surface is little.It is understood that in technical solution provided by the embodiment of the present invention, object table described above
Face refers to the first surface 1101 of current divider 110.Fluid is the annular airflow referred to by being formed after air outlet 120.
Based on above-mentioned, when the annular airflow from all directions is flowed along first surface 1101, due to Coanda effect, come
The central point of the first surface 1101 in current divider 110 is merged into one air-flow from the annular airflow of all directions, i.e., outside
The central point of nonreentrant surface merges into one air-flow, which can be flowed out by air outlet 120.It is above-mentioned to be formed by one gas
Stream can be regarded as in air flow collection and flow direction is consistent.It is understood that since the air-flow flowed out from air outlet 120 is that one comes
From unidirectional air-flow, rather than from the diffusing air current of all directions, therefore, it can be achieved that precisely air-supply.It is above-mentioned to be formed
The forming process of one air-flow can refer to Fig. 2, Fig. 2 gives a kind of air-flow flow schematic diagram of annular air outlet device.
It should be noted that amount of curvature can be arranged in the first surface 1101 of current divider 110 according to the actual situation, herein not
Make concrete restriction.The first surface 1101 of current divider 110 can for hyperboloid or paraboloid etc., i.e., convex outward can for hyperboloid or
Paraboloid etc. can specifically be set according to the actual situation, is also not especially limited herein.Illustratively, as shown in Figure 1, dividing
The first surface 1101 for flowing device 110 is hyperboloid.The second surface 1102 of current divider 110 can be the conical surface, cylinder or spherical surface etc., tool
Body can be set according to the actual situation, be also not especially limited herein.The second surface 1102 and first surface of current divider 110
1101 central point can be overlapped, and can not also be overlapped, and can specifically be set, also not limited specifically according to the actual situation herein
It is fixed.The projection bottom surface of first surface 1101 can be equal with the size of the projection bottom surface of second surface 1102, can not also wait, tool
Body can be set according to the actual situation, be also not especially limited herein.
It should also be noted that, the appearance profile of air outlet 120 may be configured as rectangular, parallelogram, triangle, circle
Or ellipse etc., it can specifically be set, be not limited thereto according to the actual situation.
Optionally, based on the above technical solution, second surface 1102 can be greater than first at a distance from air outlet 120
Distance of the surface 1101 away from air outlet 120.
In an embodiment of the present invention, above-mentioned to understand as follows: second surface 1102 is the appearance far from air outlet 120
Face, first surface 1101 are close to the outer surface of air outlet 120.
Optionally, based on the above technical solution, first surface 1101 and second surface 1102 surround current divider
Entire outer surface.
Optionally, the profile and border of current divider 110 can be positioned partially or entirely in the open area of air outlet 120.
In an embodiment of the present invention, the profile and border of current divider 110 can understand as follows: it is indicated by current divider 110
First surface 1101 and second surface 1102 composed by outer surface contour line.The profile and border whole position of current divider 110
In in the open area of air outlet 120, can understand as follows: the profile and border of current divider 110 can be with the open region of air outlet 120
Domain is equal, alternatively, the profile and border of current divider 110 is less than the open area of air outlet 120.The profile and border portion of current divider 110
Quartile can understand as follows in the open area of air outlet 120: the profile and border of current divider 110 is greater than opening for air outlet 120
Mouth region domain.
Optionally, based on the above technical solution, the shape of air outlet 120 can be round, oval or rectangular.
In an embodiment of the present invention, in order to realize more effectively precisely air-supply, the appearance profile of air outlet 120 can be circle
Shape, ellipse or rectangular.
The technical solution of the present embodiment, by the way that the annular air outlet device including current divider and air outlet is arranged, current divider is set
It is placed at air outlet comprising the first surface and second surface being oppositely arranged, first surface are convex outward, and towards outlet air
Mouthful, second surface forms annular air outlet region between air outlet, current divider and air outlet, so that the air-flow flowed out from air flue
It is flowed to behind annular air outlet region along second surface and forms annular airflow, annular airflow, which flows through convex surface, can produce Condar effect
It answers, under Coanda effect, annular airflow flows out after the central point of convex surface merges into one air-flow.Due to from air outlet stream
Air-flow out is one from unidirectional air-flow, rather than from the diffusing air current of all directions, it is thereby achieved that precisely
Air-supply.
In another embodiment, unlike previous embodiment, in the present embodiment, the second surface of current divider 110
1101 can be the conical surface.
It in an embodiment of the present invention, can in order to more effectively make air-flow form annular airflow after through air outlet 120
The conical surface is set by the second surface 1102 of current divider 110.The conical surface and the non-positive conical surface it should be noted that the conical surface can be positive, just
The conical surface can be elliptic cone, can specifically be set, be not specifically limited herein according to the actual situation.
Optionally, based on the above technical solution, the conical surface can be circular conical surface or elliptic cone.
In an embodiment of the present invention, the conical surface can be circular conical surface or elliptic cone, can specifically be set according to the actual situation
It is fixed, it is not specifically limited herein.Illustratively, as shown in figure 3, giving a kind of structural representation of the second surface of current divider
Figure.The second surface 1102 of current divider 110 is circular conical surface in Fig. 3.The basal diameter length range of circular conical surface can be 4cm-10cm.
In another embodiment, as shown in figure 4, unlike previous embodiment, in the present embodiment, convex outward can be
Hyperboloid.
In an embodiment of the present invention, in order to realize more effectively precisely air-supply, the first surface 1101 of current divider 110 can
It is set as hyperboloid, i.e. convex outward can be hyperboloid.It should be noted that hyperbolic mask body can described in the embodiment of the present invention
For the hyperboloid of one sheet.For details, reference can be made to Fig. 4, Fig. 4 to give a kind of structural schematic diagram of the first surface of current divider.In Fig. 4, outside
Convex surface is the hyperboloid of one sheet.The long axis length range of the hyperboloid of one sheet can be 5cm-12cm, and minor axis length can be 4cm-8cm.
Optionally, based on the above technical solution, the basal diameter of circular conical surface can be greater than round diameter.Alternatively, circle
The basal diameter of the conical surface can be greater than oval long axis length.Alternatively, the long axis length of the bottom surface of elliptic cone can be greater than circle directly
Diameter.Alternatively, the long axis length of the bottom surface of elliptic cone can be greater than oval long axis length.
In an embodiment of the present invention, in order to realize more effectively precisely air-supply, if second surface 1102 can be circular cone
The shape in face, air outlet 120 can be circle, then the basal diameter of circular conical surface can be greater than round diameter.Alternatively, if second surface
1102 can be circular conical surface, and the shape of air outlet 120 can be ellipse, then the basal diameter of circular conical surface can be greater than the long axial length of ellipse
Degree.Alternatively, the shape of air outlet 120 can be circle, then the bottom surface of elliptic cone if second surface 1102 can be elliptic cone
Long axis length can be greater than round diameter.Alternatively, the shape of air outlet 120 can if second surface 1102 can be elliptic cone
For ellipse, then the long axis length of the bottom surface of elliptic cone can be greater than oval long axis length.
Illustratively, as shown in figure 5, Fig. 5 gives a kind of schematic top plan view of annular air outlet device.Second table in Fig. 5
Face 1102 is circular conical surface, and the shape of air outlet 120 is circle.On this basis, a can indicate the basal diameter of circular conical surface in Fig. 5
Length, b can indicate circular diameter length, wherein a > b.
In addition, the embodiment of the invention also provides a kind of vertical air conditioner cabinets.Fig. 6 is a kind of structure of vertical air conditioner cabinet
Schematic diagram.As shown in fig. 6, the vertical air conditioner cabinet can specifically include annular air outlet device described in previous embodiment, (Fig. 6 is not
Show), can also include cabinet-type air conditioner ontology 1, cabinet-type air conditioner ontology 1 may include front panel 10 and rear panel 20, below to its structure and
Function is illustrated.
Air outlet 120 may be disposed at front panel 10, and current divider 110 may be disposed in cabinet-type air conditioner ontology 1.
In an embodiment of the present invention, as shown in fig. 6, vertical air conditioner cabinet is in addition to may include that annular described above goes out
Wind apparatus (Fig. 6 is not shown) can also include front panel 10 and rear panel 20 outside.Front panel 10 and rear panel 20 constitute cabinet-type air conditioner
Ontology 1.On this basis, air outlet 120 may be disposed on front panel 10, and current divider 110 (Fig. 6 is not shown) may be disposed at cabinet-type air conditioner
Inside ontology 1.As shown in fig. 7, giving a kind of cross-sectional view of vertical air conditioner cabinet.As can be seen from Figure 7, cabinet-type air conditioner ontology 1 is interior
Portion may be provided with current divider 110.
Optionally, as shown in fig. 7, on the basis of the above embodiments, the vertical air conditioner cabinet specifically can also include into
Air port 30.
Air duct 40 can be formed between air inlet 30 and air outlet 120.
In an embodiment of the present invention, as shown in fig. 7, the vertical air conditioner cabinet specifically can also include air inlet 30.Its
In, air inlet 30 may be disposed on front panel 10, and air duct 40 can be formed between air inlet 30 and air outlet 120.Air-flow can be from
Air inlet 30 flows into, and forms annular airflow after air duct 40 flows to annular air outlet region along second surface 1102, the annular gas
The central point flowed in the first surface 1101 of current divider 110 merges into one air-flow, which is flowed by air outlet 120
Out.
The technical solution of the present embodiment, air-flow are flowed through the air duct outflow of annular air outlet device along second surface from air inlet
Annular airflow is formed after to annular air outlet region, annular airflow, which flows through convex surface, can produce Coanda effect, under Coanda effect,
Annular airflow flows out after the central point of convex surface merges into one air-flow.Since the air-flow flowed out from air outlet is that one comes
From unidirectional air-flow, rather than from the diffusing air current of all directions, it is thereby achieved that precisely air-supply.
In addition, the embodiment of the invention also provides a kind of air conditioners.The air conditioner can specifically include vertical air conditioner cabinet,
It can also include outdoor unit.
Outdoor unit is connected with vertical air conditioner cabinet.
In an embodiment of the present invention, which can also include outdoor other than it may include vertical air conditioner cabinet
Machine.Outdoor unit is connected with vertical air conditioner cabinet, realizes refrigeration and/or heating.
The technical solution of the present embodiment, air-flow flow out to ring along second surface through the air duct of annular air outlet device from air inlet
Shape outlet air forms annular airflow behind region, and annular airflow, which flows through convex surface, can produce Coanda effect, under Coanda effect, annular
Air-flow flows out after the central point of convex surface merges into one air-flow.Since the air-flow flowed out from air outlet is one from same
The air-flow in one direction, rather than from the diffusing air current of all directions, it is thereby achieved that precisely air-supply.
So far, attached drawing is had been combined to the present invention have been described in detail.According to above description, those skilled in the art are answered
When having clear understanding to annular air outlet device, vertical air conditioner cabinet and air conditioner of the present invention.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of annular air outlet device characterized by comprising air duct, current divider and air outlet；
The current divider is set at the air outlet in the air duct comprising the first surface and second surface being oppositely arranged, institute
Stating first surface is convex outward, and towards the air outlet, the second surface backwards to the air outlet, the current divider with
Annular air outlet region is formed between the air outlet；
The air-flow flowed out from the air duct flows to after the round wind outlet along the second surface forms annular airflow, described
Annular airflow is flowed out after the central point of the convex outward merges into one air-flow by the air outlet.
2. annular air outlet device according to claim 1, which is characterized in that the first surface and the second surface enclose
At the entire outer surface of the current divider.
3. annular air outlet device according to claim 1, which is characterized in that the profile and border part of the current divider is complete
Portion is located in the open area of the air outlet.
4. annular air outlet device according to claim 1, which is characterized in that the second surface of the current divider is the conical surface.
5. annular air outlet device according to claim 4, which is characterized in that the conical surface is circular conical surface or elliptic cone.
6. annular air outlet device according to claim 1, which is characterized in that the convex outward is hyperboloid.
7. annular air outlet device according to claim 1, which is characterized in that the shape of the air outlet is round, oval
Shape is rectangular.
8. a kind of vertical air conditioner cabinet, which is characterized in that including annular air outlet device as claimed in claim 1, also
Including cabinet-type air conditioner ontology；The cabinet-type air conditioner ontology includes front panel and rear panel；
The air outlet is set to the front panel, and the current divider is set in the cabinet-type air conditioner ontology.
9. vertical air conditioner cabinet according to claim 8, which is characterized in that further include air inlet；
The air duct is formed between the air inlet and the air outlet.
10. a kind of air conditioner, which is characterized in that further include outdoor including vertical air conditioner cabinet as claimed in claim 8 or 9
Machine；
The outdoor unit is connected with the vertical air conditioner cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910579699.4A CN110173758A (en) | 2019-06-28 | 2019-06-28 | A kind of annular air outlet device, vertical air conditioner cabinet and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910579699.4A CN110173758A (en) | 2019-06-28 | 2019-06-28 | A kind of annular air outlet device, vertical air conditioner cabinet and air conditioner |
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| CN110173758A true CN110173758A (en) | 2019-08-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021223393A1 (en) * | 2020-07-16 | 2021-11-11 | 青岛海尔空调器有限总公司 | Floor standing air conditioner indoor unit |
| CN114508789A (en) * | 2020-11-17 | 2022-05-17 | 青岛海尔空调器有限总公司 | Vertical air conditioner indoor unit |
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