CN108413497A - Cabinet type air conditioner indoor set - Google Patents
Cabinet type air conditioner indoor set Download PDFInfo
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- CN108413497A CN108413497A CN201810316922.1A CN201810316922A CN108413497A CN 108413497 A CN108413497 A CN 108413497A CN 201810316922 A CN201810316922 A CN 201810316922A CN 108413497 A CN108413497 A CN 108413497A
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- Prior art keywords
- air
- centrifugal blower
- cabinet type
- conditioner indoor
- shell
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- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000005119 centrifugation Methods 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 description 18
- 238000010276 construction Methods 0.000 description 13
- 239000002360 explosive Substances 0.000 description 10
- 238000009434 installation Methods 0.000 description 10
- 210000002105 tongue Anatomy 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000013011 mating Effects 0.000 description 8
- 230000004308 accommodation Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 241000237858 Gastropoda Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000003911 water pollution Methods 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
- F24F1/0007—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
- F24F13/04—Air-mixing units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- 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
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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 present invention provides a kind of cabinet type air conditioner indoor sets.The cabinet type air conditioner indoor set includes the casing for offering shell air inlet and at least one shell air outlet, the indoor heat exchanger of the air-supply assembly being set in casing and the air intake road being set between shell air inlet and at least one centrifugal blower.Air-supply assembly includes at least one centrifugal blower, is configured to suck surrounding air from the ambient enviroment of shell air inlet and surrounding air is promoted to be flowed respectively at least one shell air outlet.Cabinet type air conditioner indoor set is provided at least one mixed flow air duct, and each mixed flow air duct is configured to that surrounding air is pumped on front side of casing and is mixed with the heat exchange air blown out from a shell air outlet, formed it is cool without hot and cold without dry mixed gas, improve the wind sense experience of user.
Description
Technical field
The present invention relates to filed of air conditioning, more particularly to a kind of cabinet type air conditioner indoor set.
Background technology
Use the cabinet type air conditioner indoor set of centrifugal blower air-supply that mostly centrifugal blower is arranged on cabinet-type air conditioner top in the prior art,
Not only air-out area is small, but also corresponding to spatial position more than human body head and head, when cabinet-type air conditioner is in heating state, heat
Air-flow moves upwards, and is hard to reach the foot of user.When cabinet-type air conditioner is in refrigerating state, cold airflow blow-through user causes user
It is uncomfortable, influence user experience.And in existing cabinet-type air conditioner, the fixed form of centrifugal blower or by its spiral case directly and cabinet
Machine casing is fixedly connected, or supports wind turbine by the way that the holder being fixedly connected with the bottom plate of cabinet-type air conditioner casing is arranged thereunder,
Wind turbine will produce larger vibrating noise during the work time, and user experience is poor.Consider, needs one kind can in design
The small air-supply assembly of vibrating noise and the cabinet type air conditioner indoor set with the air-supply assembly when zoned air and blower fan work.
Invention content
It is an object of the present invention to provide it is a kind of blowing it is cool without hot and cold without dry cabinet type air conditioner indoor set.
A further object of the present invention is to cabinet type air conditioner indoor sets to be made can zoned air.
Another further object of the present invention is to the stability of centrifugal blower to be improved, and reduce vibrating noise.
Particularly, the present invention provides a kind of cabinet type air conditioner indoor sets, including：
Casing offers shell air inlet and at least one shell air outlet；
Air-supply assembly, including at least one centrifugal blower, are set in the casing, and at least one centrifugal blower
It is configured to suck surrounding air from the ambient enviroment of the shell air inlet and promotes surrounding air respectively to described at least one
Shell air outlet flows；And
Indoor heat exchanger is set to the air intake road between the shell air inlet and at least one centrifugal blower, with
The surrounding air entered via the shell air inlet is set to carry out heat exchange with the indoor heat exchanger；It is characterized in that,
The cabinet type air conditioner indoor set is provided at least one mixed flow air duct, and each mixed flow air duct is configured to ring
Border air is pumped on front side of the casing and is mixed with the heat exchange air from a shell air outlet blowout, to improve user
Wind sense experience.
Optionally, each mixed flow air duct is set as blowing gas towards by proximad its corresponding shell air outlet from back to front
The direction of the centrifugal blower of stream extends, so that surrounding air is sufficiently mixed with heat exchange air on front side of the casing.
Optionally, the mixed flow air duct is set as tapered extension from back to front, in order to which surrounding air is through the mixed flow wind
Road flows on front side of the casing.
Optionally, the quantity of the centrifugal blower is two, and is set to off in an imaginary horizontal plane mirror symmetry；
The shell air outlet includes top air outlet and the lower air outlet below the top air outlet, two
The centrifugal blower is configured to respectively to the top air outlet and lower air outlet delivery air.
Optionally, described two centrifugal blowers are configured to：
When the indoor heat exchanger is in heating state, open downside centrifugal blower, and close upside centrifugal blower or
Reduce the wheel speed of upside centrifugal blower；
When the indoor heat exchanger is in refrigerating state, open upside centrifugal blower, and close downside centrifugal blower or
Reduce the wheel speed of downside centrifugal blower.
Optionally, the quantity in the mixed flow air duct is one；And
The mixed flow air duct is configured to that surrounding air is pumped on front side of the casing and is blown with from the top air outlet
The heat exchange air mixing gone out, it is cool without cold mixing wind to be formed.
Optionally, the quantity in the mixed flow air duct is two；And
Two mixed flow air ducts be configured to surrounding air being pumped on front side of the casing and respectively with from the top
The heat exchange air mixing of air outlet and lower air outlet blowout.
Optionally, the air-supply assembly further includes：
Fan supporter, by four facing each other circumferential side plates and respectively in each circumferential end and four peripheral sides
Two longitudinal end plates that longitudinal both ends of plate combine surround, and described two centrifugal blowers are set to the appearance that the fan supporter limits
It receives in space.
Optionally, the cabinet type air conditioner indoor set further includes：
Multigroup attaching plate elements, every group of attaching plate elements includes multiple attaching plate elements, and every group of attaching plate elements is set as one
End is fixedly connected with the spiral case side wall of a centrifugal blower, and the other end is fixedly connected with the fan supporter respectively, will
The centrifugal blower is fixed on the fan supporter.
Optionally, the air-supply assembly further includes：
Two air-guiding aisles, channel air inlet are respectively set to the fan outlet pair with described two centrifugal blowers
It connects, and extends towards away from the direction of the imaginary horizontal plane to front arc, received respectively from described two centrifugal blowers
Air-flow is simultaneously oriented to the top air outlet and lower air outlet by air-flow.
The present invention cabinet type air conditioner indoor set be provided with mixed flow air duct, can centrifugal blower forward blow out exchange heat air-flow and
When forming negative pressure around air-flow, the surrounding air of rear side and/or both lateral sides on rear side of casing is pumped on front side of casing, and is changed
Hot gas mixes, formed it is cool without hot and cold without dry mixed gas, improve the wind sense experience of user.
Further, the present invention, can be indoors by the way that be vertically distributed two centrifugal blowers are arranged in casing
Heat exchanger only makes downside centrifugal blower work when heating, when heat exchanger freezes indoors, only make upside centrifugal blower work, improve
Cooling and warming efficiency simultaneously makes indoor temperature more uniform, improves the comfort level of user.
Further, the present invention by by two centrifugal blowers be entirely accommodated in fan supporter restriction accommodation space in,
And so that centrifugal blower and fan supporter is formed integrated component, compared with the prior art in by sheet metal component by multiple centrifugal blowers
It is fixedly connected, it is not only more reliable and more stable, it can also efficiently reduce the vibrating noise that air-supply assembly generates during the work time.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Description of the drawings
Some specific embodiments that the invention will be described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing：
Fig. 1 is the schematic diagram of cabinet type air conditioner indoor set according to an embodiment of the invention；
Fig. 2 is the schematic cross sectional views of cabinet type air conditioner indoor set shown in Fig. 1；
Fig. 3 is the schematic explosive view of cabinet type air conditioner indoor set shown in Fig. 1；
Fig. 4 is the schematic diagram of cabinet type air conditioner indoor set in accordance with another embodiment of the present invention；
Fig. 5 is the schematic cross sectional views of cabinet type air conditioner indoor set shown in Fig. 4；
Fig. 6 is the schematic explosive view of cabinet type air conditioner indoor set shown in Fig. 4；
Fig. 7 is the schematic explosive view of air-supply assembly shown in FIG. 1；
Fig. 8 is the schematic explosive view of the air-supply assembly shown in FIG. 1 from another angle；
Fig. 9 is the schematic diagram of air-supply assembly in accordance with another embodiment of the present invention；
Figure 10 is the schematic explosive view of air-supply assembly shown in Fig. 9.
Specific implementation mode
Fig. 1 is the schematic diagram of cabinet type air conditioner indoor set according to an embodiment of the invention；Fig. 2 is shown in Fig. 1
The schematic cross sectional views of cabinet type air conditioner indoor set；Fig. 3 is the schematic explosive view of cabinet type air conditioner indoor set shown in Fig. 1.Referring to
Fig. 1 to Fig. 3, cabinet type air conditioner indoor set 200 include casing and the air-supply assembly 100 and indoor heat exchanger that are arranged in casing
220.Specifically, casing offers shell air inlet 2111 and at least one shell air outlet.Air-supply assembly 100 includes at least one
A centrifugal blower 110.At least one centrifugal blower 110 is configured to suck ring from the ambient enviroment of shell air inlet 2111
Border air simultaneously promotes surrounding air to be flowed respectively at least one shell air outlet.The setting of indoor heat exchanger 220 is entered the wind in casing
Air intake road between mouth 2111 and at least one centrifugal blower 110, so that the environment entered via shell air inlet 2111
Air carries out heat exchange with indoor heat exchanger 220.In the illustrated embodiment, it is provided at shell air outlet and is used to open or closes
The wind deflector of shell air outlet.
Particularly, cabinet type air conditioner indoor set 200 may be provided at least one mixed flow air duct 260.Each mixed flow air duct 260 can
Be configured to centrifugal blower 100 forward blow out heat exchange air-flow and around air-flow formed negative pressure when, by rear side of casing rear side and/
Or the surrounding air of both lateral sides is pumped on front side of casing, is mixed with the heat exchange air blown out from a shell air outlet, is formed
It is cool without hot and cold without dry mixed gas, improve the wind sense experience of user.
In some preferred embodiments, each mixed flow air duct 260 can be set to from back to front, towards by proximad its corresponding machine
The direction of the centrifugal blower 110 of shell air outlet blow flow extends, so that surrounding air is filled with heat exchange air in 210 front side of casing
Divide mixing.In other words, each mixed flow air duct 260 be arranged to make from the flow path of the gas of its blowout with via its corresponding casing
The flow path of the air-flow of air outlet blowout is intersected in 210 front side of casing.Mixed flow air duct 260 can be set to tapered extension from back to front,
To reduce windage, 210 front side of casing is flowed to through mixed flow air duct 260 convenient for surrounding air.
In some preferred embodiments, the quantity of the centrifugal blower 110 of air-supply assembly 100 can be two.Two centrifugation wind
Machine 110 may be configured as about an imaginary horizontal plane mirror symmetry.Shell air outlet include top air outlet 2121 and be located at top
The lower air outlet 2122 of 2121 lower section of air outlet, two centrifugal blowers 110 are configured to respectively to top air outlet 2121 under
2122 delivery air of portion's air outlet.Shell air inlet 2111 can be opened in the rear shell of casing, and top air outlet 2121 and lower part go out
Air port 2122 can be opened in the front panel 212 of casing.For ease of the installation of air-supply assembly 100 and indoor heat exchanger 220, rear shell
It can be made of peripheral envelope 211, top plate 213 and bottom plate 214.
Preferably, the operating mode of cabinet type air conditioner indoor set 200 may include default mode.Two centrifugations under a default mode
When wind turbine 110 is configured to that heat exchanger 220 is in heating state indoors, downside centrifugal blower is opened, and closes upside and centrifuges wind
Machine or the wheel speed for reducing upside centrifugal blower；When heat exchanger 220 is in refrigerating state indoors, opens upside and centrifuge wind
Machine, and close downside centrifugal blower or reduce the wheel speed of downside centrifugal blower, it is the characteristics of being flowed up using thermal current, cold
The characteristics of air-flow flows downward effectively realizes efficient, uniform outlet air heat exchange, and improves the comfort level of user.In the reality
Apply in example, the quantity in mixed flow air duct 260 can be one, and can be configured to by surrounding air be pumped to 210 front side of casing and with from
The heat exchange cold air mixing that top air outlet 2121 is blown out, it is cool without cold mixing wind to be formed, avoid the generation of " air conditioner disease ".
The operating mode of cabinet type air conditioner indoor set 200 may also include high effective model.Two centrifugal blowers under high effective model
110 are configured to work asynchronously by a setting speed.Fig. 4 is showing for cabinet type air conditioner indoor set in accordance with another embodiment of the present invention
Meaning property structure chart；Fig. 5 is the schematic cross sectional views of cabinet type air conditioner indoor set shown in Fig. 4；Fig. 6 is in cabinet air-conditioner room shown in Fig. 4
The schematic explosive view of machine.Referring to Fig. 5, in some preferred embodiments, the quantity in mixed flow air duct 260 is two, and two
Mixed flow air duct 260 is configured to surrounding air being pumped to 210 front side of casing and go out respectively with from top air outlet 2121 and lower part
The heat exchange air mixing that air port 2122 is blown out.In the illustrated embodiment, mixed flow air duct 260 can be to run through casing along the longitudinal direction
210 cylinder.For ease of the assembly of cabinet type air conditioner indoor set 200, mixed flow air duct 260 can be by integrally formed with front panel 212
It front mixed flow air duct 260 and is spliced to form with rear shell integrally formed rear portion mixed flow air duct 260.Preferably, mixed flow air duct 260 can
Two transverse inner walls for being set as its air outlet distinguish two transverse inner walls of corresponding shell air outlet in same perpendicular
In straight plane, to improve the air quantity for the surrounding air for flowing through mixed flow air duct 260.
Referring to Fig. 1 to Fig. 3, in further embodiments, for being mixed with the recuperated gas blown out from top air outlet 2121
The mixed flow air duct 260 of conjunction can be formed by head cover 213.Specifically, head cover 213 may include for solid with rear shell 211 and front panel 212
Surely the bottom plate that connects, the top plate being set to above bottom plate and at least one connection top plate extended vertically along the longitudinal direction and
The support plate of bottom plate.The wherein sandwiched formation mixed flow air duct of top plate and bottom plate 260.In some preferred embodiments, the number of support plate
Amount is one.Support plate may be configured as its projection on bottom plate and bottom plate be divided into two parts, to improve for empty with heat exchange
Gas mixes the air quantity of the surrounding air of wind.Further, support plate is set as its projection on bottom plate bottom plate is divided into area
Equal two parts, to improve the aesthetics of cabinet type air conditioner indoor set 200.In some alternate embodiments, the number of support plate
Amount can be two, and thereon, lower end combined with the both lateral sides end of top plate and bottom plate respectively.
Fig. 7 is the schematic explosive view of air-supply assembly shown in FIG. 1；Fig. 8 is shown in FIG. 1 from another angle send
The schematic explosive view of wind component.Referring to Fig. 7 and Fig. 8, in some currently preferred embodiments of the present invention, air-supply assembly 100 is also
It may include the fan supporter for being used to support two centrifugal blowers 110.It is defined in fan supporter for accommodating two centrifugal blowers
110 accommodation space, and fan supporter is opened up there are two construction opening 123, inner wall is respectively set to and two centrifugal blowers
110 casing outer wall shape is matched, and keeps the air inlet of each centrifugal blower 110 and fan outlet exposed.
The present invention by by two centrifugal blowers 110 be entirely accommodated in fan supporter restriction accommodation space in, and make from
Heart wind turbine 110 and fan supporter form integrated component, compared with the prior art in multiple centrifugal blowers are consolidated by sheet metal component
Fixed connection, it is not only more reliable and more stable, it can also efficiently reduce the vibrating noise that air-supply assembly 100 generates during the work time.
It should be noted that those skilled in the art are knownly, centrifugal blower 110 includes spiral case 112 and setting
Impeller 111 in spiral case 112.Wherein spiral case 112 includes two spiral case side walls and the connection two for limiting spiral case air duct jointly
The spiral case peripheral wall of a spiral case side wall.Each 110 at least one spiral case side wall of centrifugal blower offers air inlet.Spiral case week
Wall includes the volute section relative to 111 outer profile flaring of impeller, and the spiral inlet area each extended over out from the both ends of volute section
Section and exit zone, and the fan outlet of centrifugal blower 110 is formed between volute tongue section and exit zone.The two of fan supporter
A construction opening 123 is set as spiral case peripheral wall shape of its inner wall respectively with two centrifugal blowers 110 and matches.Each centrifugal blower 110
The quantity of air inlet be preferably two, and be opened in respectively on two spiral case side walls, to improve the wind of air-supply assembly 100
Amount.
In some preferred embodiments, fan supporter can be by four facing each other circumferential side plates and respectively in each circumferential direction
Two longitudinal direction end plates that end is combined with longitudinal both ends of four circumferential side plates surround, in order to fan supporter processing and
The installation and transport of air-supply assembly 100.Construction opening 123 may be configured as running through fan supporter along the horizontal direction of fan supporter,
And the air inlet of two centrifugal blowers 110 is made to be emerging on the laterally circumferential side plate of fan supporter, fan outlet difference
It is emerging on two longitudinal end plates of fan supporter.
Referring to Fig. 7 and Fig. 8, in some currently preferred embodiments of the present invention, the inner surface of fan supporter may be provided with inwardly
The multiple reinforcing ribs 124 extended to improve the intensity of fan supporter, and then improve the stability of centrifugal blower 110 and reduction is shaken
Dynamic noise.In the illustrated embodiment, the quantity of reinforcing rib 124 is two, i.e., there are one reinforcing ribs for each correspondence of construction opening 123
124.Specifically, each reinforcing rib 124 may include front side linear section and two linear section, rear side segmental arcs.Linear section of front side can
Extend and connect the front circumferential direction side plate and two lateral circumferential side plates of fan supporter in transverse direction.Linear section of rear side can be along cross
Extend and connect the rear portion circumferential direction side plate and two lateral circumferential side plates of fan supporter to direction.Linear section of front side is in horizontal direction
On projection be preferably placed at the inner wall of construction opening 123 in the longitudinal direction with front circumferential direction side plate at shortest position.
The projection of linear section of rear side in a lateral direction be preferably placed at the inner wall of construction opening 123 in the longitudinal direction with rear portion peripheral side
Plate at shortest position, with ensure fan supporter have enough strength support centrifugal blowers 110, and save material at
This.Two segmental arcs can be respectively arranged at construction opening 123 at two the laterally inner peripheral of the part of circumferential side plate, and
It is set as linear section of connection front side and linear section of rear side, to further increase the structural strength of fan supporter.It is further at some
Preferred embodiment in, the surface of the pivot center towards impeller 111 of segmental arc may be configured as corresponding construction opening
123 inner wall is coplanar, to further increase the stability of centrifugal blower 110.
In some currently preferred embodiments of the present invention, air-supply assembly 100 may also include multiple attaching plate elements.Multiple connecting plates
Part can be divided into two groups, for two centrifugal blowers 110 to be fixed on fan supporter respectively.Attaching plate elements may be configured as one
End is fixedly connected with the spiral case side wall of centrifugal blower 110, the week of corresponding with the centrifugal blower 110 construction opening of the other end 123
It is fixedly connected at edge.Every group of attaching plate elements preferably for along the extending direction in the spiral case air duct of its corresponding centrifugal blower 110 (i.e.
Air current flow direction in the spiral case air duct of centrifugal blower 110) gradually close distribution, to improve the stability and drop of centrifugal blower 110
Low vibration noise.Attaching plate elements may be configured as being fixed in advance on spiral case side wall or fan supporter, in order to air-supply assembly 100
Assembly.
In some currently preferred embodiments of the present invention, every group of attaching plate elements may include that multiple edges turn perpendicular to impeller 111
The radially extending plate 141 in direction of shaft line and at least one edge are parallel to the direction extension of the pivot center of impeller 111
Axial plate 142.Multiple radial direction plates 141 may be configured as being fixedly connected with the laterally circumferential side plate of fan supporter.Construction opening
123 peripheral region may be provided with the connection bump 125 extended on the outside of the accommodation space limited to fan supporter, at least one axial direction
Plate 142 may be configured as connecting with connection bump 125, and centrifugal blower 110 is fixed on fan supporter.Connection bump
125 preferably its part projection on the fore-and-aft plane extended along the longitudinal direction are located in construction opening 123, i.e. connection bump
125 surface towards centrifugal blower 110 is set as the spiral case side wall contact of centrifugal blower 110 adjacent thereto, so that axial
Plate 142 and the connection of connection bump 125 are more stable and firm, and then improve the stability of centrifugal blower 110.At some into one
It walks in preferred embodiment, at least the volute section in spiral case peripheral wall is arranged in multiple radial plates 141 in every group of attaching plate elements
At corresponding position, at least one axial plate 142 is arranged at the corresponding position of exit zone of spiral case peripheral wall, to reduce
The vibrating noise that impeller 111 generates when rotating.In other words, when the quantity of axial plate 142 in every group of attaching plate elements is one
When, which is arranged at the corresponding position of exit zone of spiral case peripheral wall；When axial plate in every group of attaching plate elements
When 142 quantity is multiple, at least one axial plate 142 is arranged in the outlet of spiral case peripheral wall in multiple axial direction plates 142
At the corresponding position of section.In this embodiment, when air current flow direction of the spiral case 112 in its spiral case air duct is divided into neighbouring snail
When the second part of the first part of tongue region section and neighbouring exit zone, the radial plate 141 of every group of attaching plate elements and axial plate
Part 142 can be fixedly connected with the first part of spiral case 112 and second part respectively.141 He of radial plate of every group of attaching plate elements
The central axial line that the radial direction of the impeller 111 in its corresponding centrifugal blower 110 of axial plate 142 extends is preferably arranged to
Radial central plane about the impeller 111 (radial central plane refers to the central plane of the pivot center perpendicular to impeller 111)
Symmetrically, to improve the stability of centrifugal blower.For example, in Fig. 1 to Fig. 3 embodiments, radial plate 141 in every group of attaching plate elements
Quantity be four, the quantity of axial plate 142 is two.Wherein four radial plates 141 and two axial plates 142 are distinguished
It is symmetrically disposed in the both lateral sides of centrifugal blower 110.In Fig. 9 to Figure 10 embodiments, radial plate in every group of attaching plate elements
141 quantity is five, and the quantity of axial plate 142 is one.The snail in spiral case peripheral wall is arranged in wherein four radial plates 141
Radial central plane at the corresponding position of shape section and about centrifugal blower 110 is symmetrical, a radial plate 141 and an axis
It is arranged at the corresponding position of exit zone of spiral case peripheral wall to plate 142, and is located at lateral the two of centrifugal blower 110
Side, in the central axial line that the radial direction of the impeller 111 of its corresponding centrifugal blower 110 extends about the centrifugal blower 110
Radial central plane it is symmetrical.In further embodiments, multiple radial plates 141 and at least one axial plate 142 also may be used
It is separately positioned on the both lateral sides of spiral case 112.
In some currently preferred embodiments of the present invention, fan supporter can be by first support component 121 and second support component
122 compositions, in order to the installation of centrifugal blower 110.First support component 121 and second support component 122 are set as can be along spelling
The split of conjunction face forms the accommodation space for accommodating multiple centrifugal blowers 110, and defines for appearing air inlet and wind
The construction opening 123 of machine air outlet.Mating surface can be plane, cascaded surface, bending side, curved surface etc..Referring to Fig. 7 to Fig. 8, at some
In embodiment, first support component 121 and second support component 122 can be located separately the front and rear sides of centrifugal blower 110.First
The mating surface of support element 121 and second support component 122 may be configured as extending with horizontal direction along the longitudinal direction, in order to the
The production and transport of one support element 121 and second support component 122.The equal position of pivot center of the impeller 111 of two centrifugal blowers
In in mating surface, in order to the installation of centrifugal blower 110.Two lateral side plates of first support component 121 can be respectively arranged with
Multiple front side split lugs 1261 extended in transverse direction.Two lateral side plates of second support component 122 may be provided with
The corresponding multiple rear side split lugs 1262 of front side split lug 1261, multiple front side split lugs 1261 be set as with it is multiple after
First support component 121 and second support component 122 are fixed split by 1262 immovable fitting of side split lug.Preferably, from
The rear surface of the both lateral sides of heart wind turbine 110 at least one front side split lug 1261 is set as and first support component
121 or intersections parallel with the mating surface of second support component 122, to improve the stability of air-supply assembly 100.In other words, when
When first support component 121 and 122 split of second support component form fan supporter, the front side of 110 both lateral sides of centrifugal blower
Split lug 1261 or rear side split lug 1262 are configured to that first support component 121 can be limited and second support component 122 exists
The movement being parallel on the direction of mating surface extends the fastening of connection front side split lug 1261 and rear side split lug 1262
The service life of part further increases the stability of air-supply assembly 100, reduces and is produced in 110 course of work of centrifugal blower
Raw vibrating noise.In this embodiment, the quantity of the axial plate 142 in every group of attaching plate elements can be even number, and symmetrical
The both lateral sides in centrifugal blower 110, such as two, four, six etc. are arranged in ground, to improve the stability of centrifugal blower 110
And reduce vibrating noise.Fig. 9 is the schematic diagram of air-supply assembly in accordance with another embodiment of the present invention；Figure 10 is Fig. 9
Shown in air-supply assembly schematic explosive view.Referring to Fig. 9 and Figure 10, in further embodiments, first support component 121
It can be located separately the both lateral sides of centrifugal blower 110 with second support component 122.First support component 121 and second support structure
The mating surface of part 122 may be configured as extending with front-rear direction along the longitudinal direction, in order to first support component 121 and second support
The production and transport of component 122.The forward direction side plate of first support component 121 and second support component 122 may be provided with it is multiple to
The backward side plate of the front side split lug 1261 of preceding extension, first support component 121 and second support component 122 may be provided with
Multiple rear side split lugs 1262 to extend back.The front side split lug 1261 of first support component 121 and rear side split are convex
Ear 1262 is respectively set to connect with the front side split lug 1261 of second support component 122 and the fastening of rear side split lug 1262
It connects, first support component 121 and second support component 122 is fixed into split.Preferably, first support component 121 is at least
The surface towards second support component 122 of one front side split lug 1261 is set as and first support component 121 and second
The mating surface of support element 122 is parallel or intersects, the direction of at least one rear side split lug 1262 of first support component 121
The surface of second support component 122 is set as or phase parallel with the mating surface of first support component 121 and second support component 122
It hands over, to improve the stability of air-supply assembly 100.
In some embodiments of the invention, air intake passage is may be provided between each adjacent two centrifugal blower 110, it should be into
Wind channel is surrounded by the spiral case peripheral wall of fan supporter and two neighboring centrifugal blower 110, and is configured to that air-supply assembly 100 will be located at
The air of rear side is oriented to around the front of air-supply assembly 100, makes two centrifugal blowers 110 can be simultaneously from lateral the two of fan supporter
Side and rear side suck air.In some embodiments, the air inlet of air intake passage can be opened in the rear portion peripheral side of fan supporter
The air outlet of plate, air intake passage can be opened in two lateral circumferential side plates of fan supporter, be passed through in order to which centrifugal blower 110 obtains
The surrounding air imported by air intake passage.Specifically, first support component 121 and second support component 122 be located at from
In the embodiment of the front and rear sides of heart wind turbine 110, the air inlet of air intake passage can be opened in the backward side of second support component 122
Plate, the air outlet of air intake passage can be opened in the lateral side plate of first support component 121.In first support component 121 and second
Support element 122 is located in the embodiment of the both lateral sides of centrifugal blower 110, first support component 121 and second support
The backward side plate of component 122 can offer air inlet opening respectively, and the air inlet of air intake passage can be by first support component 121 and the
The air inlet opening split of two support elements 122 is formed, and the air outlet of air intake passage can be opened in 121 He of first support component respectively
The lateral side plate of second support component 122.The air inlet of air intake passage longitudinal direction inner surface preferably and two rear side
The surface co-planar of the plane of mirror symmetry of linear section of two centrifugal blowers 110 of direction.The air inlet of air intake passage is in lateral side
Upward inner surface is preferably coplanar with the inner surface of two lateral circumferential side plates of fan supporter.The air outlet of air intake passage exists
Projection on longitudinal direction is completely in the range of the maximum cross section of air inlet.The air outlet of air intake passage is preferably
The outer surface that its two inner surface in a longitudinal direction is respectively set to the spiral case peripheral wall neighbouring relative to its equidistantly extends, with
The windage for reducing air intake passage, improves the air quantity of air intake passage.The inner surface in a longitudinal direction of the air inlet of air intake passage
Not with the surface co-planar of the plane of mirror symmetry of two centrifugal blowers 110 of the direction of reinforcing rib 124 (coincidence), to ensure wind turbine branch
The structural strength of frame.
In further embodiments, the air inlet of air intake passage can be opened in the rear portion circumferential direction side plate of fan supporter, air inlet
The air outlet in channel can be opened in the front circumferential direction side plate of fan supporter, with reduce when surrounding air flows in air intake passage by
The resistance arrived.Specifically, two before and after first support component 121 and second support component 122 are located at centrifugal blower 110
In the embodiment of side, the air inlet of air intake passage can be opened in the backward side plate of second support component 122, the outlet air of air intake passage
Mouth can be opened in the forward direction side plate of first support component 121.Distinguish position in first support component 121 and second support component 122
In the embodiment of the both lateral sides of centrifugal blower 110, the backward side plate of first support component 121 and second support component 122
Air inlet opening and outlet air opening can be offered respectively, and the air inlet of air intake passage can be by first support component 121 and second support
The air inlet opening split of component 122 is formed, and the air outlet of air intake passage can be by first support component 121 and second support component
122 outlet air opening split is formed.The air inlet and air outlet of air intake passage longitudinal direction inner surface preferably respectively with
The surface co-planar of the plane of mirror symmetry of two centrifugal blowers 110 of direction of linear section and two linear section of front side of two rear sides.
The inner surface of the air inlet and air outlet of air intake passage in a lateral direction is preferably two lateral peripheral sides with fan supporter
The inner surface of plate is coplanar, to reduce the windage of air intake passage, improves the air quantity of air intake passage.
Air-supply assembly 100 may also include two air-guiding aisles 130.The channel air inlet of two air-guiding aisles 130 can be arranged
To be docked respectively with the fan outlet of two centrifugal blowers 110, and court is away from the side of the symmetrical plane of two centrifugal blowers 110
Extend to front arc, to receive the air-flow from two centrifugal blowers 110 and export forward.Air-guiding aisle 130 is preferably provided with
Extend for flaring from back to front, to increase the air supplying distance of air-supply assembly 100.Referring to Fig. 7 and Fig. 8, in some embodiments, often
The outer wall of the front and rear sides of a air-guiding aisle 130 can have to be extended along the direction of the symmetrical plane towards two centrifugal blowers 110
Multiple longitudinally mounted block tongues 132, longitudinally in each install block tongue 132 offer mounting hole.The spiral case peripheral wall of centrifugal blower 110 can
Multiple mounting posts 113 are correspondingly provided with, the mounting hole of multiple longitudinally mounted block tongues 132 can be respectively set to can be with multiple installations
Column 113 fixes, and air-guiding aisle 130 is fixedly connected with centrifugal blower 110.Longitudinal end plate of fan supporter can offer multiple
Escape groove 1221, longitudinally mounted block tongue 132 can be configured to make mounting hole thereon and corresponding mounting post across escape groove 1221
113 fix.Referring to Fig. 9 and Figure 10, in further embodiments, the front side outer wall of each air-guiding aisle 130 can have along direction
Multiple longitudinally mounted block tongues 132 that the direction of the symmetrical plane of two centrifugal blowers 110 extends, multiple longitudinally mounted block tongues 132
It may be configured as being fixedly connected with the front circumferential direction side plate of fan supporter.The rear side outer wall of each air-guiding aisle 130 has to be prolonged backward
The multiple backward installation block tongues 133 stretched, multiple backward installation block tongues 133 may be configured as being located at construction opening 123 with longitudinal end plate
The part of rear side is fixedly connected.In some preferred embodiments, the both lateral sides outer wall of each air-guiding aisle 130 can have downward
The wedge-shaped guide protrusions 131 that flaring extends.The surface of the extension axis towards air-guiding aisle 130 of wedge-shaped guide protrusions 131 can
It is set as with the spiral case side wall of centrifugal blower 110 to coordinate, be positioned in order to the installation of air-guiding aisle 130.
Referring to Fig. 2 to Fig. 3, in some preferred embodiments, cabinet type air conditioner indoor set 200 may also include drip tray 230.It connects
Water pond 230 has the cavity of the condensed water for being flowed down collected from indoor heat exchanger 220 of upward opening.Drip tray 230 it is recessed
The circumferential side wall (side wall combined with bottom wall) of chamber may be configured as being fixedly connected with casing.Indoor heat exchanger 220, which may be provided at, to be connect
The top of water pond 230, and the projection of indoor heat exchanger 220 in the horizontal plane is completely in the range of cavity restriction, so that from
The condensed water that indoor heat exchanger 220 leaves all is flowed into drip tray 230, avoids condensation water pollution indoor environment.
Cabinet type air conditioner indoor set 200 may also include the wind shield 240 above drip tray 230.Indoor heat exchanger 220 can
It is arranged in the space of 230 sandwiched formation of wind shield 240 and drip tray, the upper surface of indoor heat exchanger 220 and lower face difference
It is engaged with the lower surface of wind shield 240 and the bottom wall of cavity.Projection of the shell air inlet 2111 on perpendicular can be complete
It is complete to be between wind shield 240 and drip tray 230, so that the surrounding air sucked from shell air inlet 2111 is all changed with interior
Hot device 220 exchanges heat.In some preferred embodiments, the lower surface of the bottom wall of cavity and wind shield 240 can be respectively arranged with
Multiple limited blocks.Multiple limited blocks are set as extending along the direction towards indoor heat exchanger 220, and can be with indoor heat exchanger 220
Outer surface cooperation, positioned in order to the installation of indoor heat exchanger 220 and wind shield 240, and limitation is indoor in the horizontal direction
Heat exchanger 220 moves.
In some preferred embodiments, the rear side bottom end of air-supply assembly 100 can be fixed on drip tray 230, so that cabinet type
The compacter stabilization of complete machine structure of air conditioner indoor unit 200, reduces the occupied space of cabinet type air conditioner indoor set 200, improves
User experience.Drip tray 230 may include the water-accepting part 231 of the condensed water for being flowed down collected from indoor heat exchanger 220 and be used for
Support the support portion 232 of air-supply assembly 100.Water-accepting part 231 has the cavity of upward opening.Cavity may include the transverse direction along casing
The first water receiving section that direction extends and the second water receiving section extended forward from the both lateral sides end of the first water receiving section.Support portion
232 may be configured as extending horizontally forward from the front side outer wall of the first water receiving section, and the rear side bottom end of air-supply assembly 100 is fixed on branch
On support part 232.The bottom surface of support portion 232 may be provided with the multiple fins for extending along the longitudinal direction and being connect with water-accepting part 231,
To improve the structural strength of drip tray 230.For ease of air-supply assembly 100 installation position, cavity towards casing it is vertical in
The circumferential side wall of centre axis may be configured as matching with the outer wall shape of air-guiding aisle 130.The vertical central axial line towards casing of cavity
The circumferential side wall other circumferential side walls size in the vertical direction that may be sized to more than cavity in the vertical direction.
Cabinet type air conditioner indoor set 200 may also include two structural supports vertically extended 250.Two structure branch
Support member 250 may be configured as the front side lateral ends and casing of connection air-supply assembly 100, to improve the stability of air-supply assembly 100.
Specifically, each structural support 250 may include that front side component fixed section and rear side component fixed section, connection front side component are fixed
The linkage section and two casing fixed sections of section and rear side component fixed section.Front side component fixed section and rear side component fixed section
May be configured as extending along the horizontal direction of casing and the imaginary plane that transversely extends with vertical direction about one be symmetrical, be used for
Fan supporter is fixedly connected.Two casing fixed sections may be configured as respectively from front side component fixed section and rear side component fixed section
Outboard end extends along away from the direction of imaginary plane, is fixedly connected for the lateral side plate with rear shell.Fan supporter can be arranged
Have from the both lateral sides end of its front circumferential direction side plate outwardly extending two extensions 127 in transverse direction, is respectively set to
It is fixedly connected with two front side component fixed sections, in order to the installing and dismounting of air-supply assembly 100.In some preferred embodiments,
Structural support 250 may also include side flanging and lower flange.Upper side flanging and lower flange may be configured as respectively from connection
The upper and lower end parts of section along vertical central plane towards casing in the longitudinal direction direction horizontal extension, and be set as respectively with
Top plate 213, the bottom plate 214 of rear shell are fixedly connected, to improve the stability of air-supply assembly 100.The anterior end of drip tray 230 can
It is set as being fixedly connected with two structural supports 250, to improve the stability of drip tray 230, and then improves air-supply assembly 100
Stability and reduce vibrating noise.In further embodiments, cabinet type air conditioner indoor set 200 may also include multiple sheet metal components.
Multiple sheet metal components are set as the front side lateral ends and two front side component fixed sections of connection air-supply assembly 100, in order to blow
The production and transport of component 100.
The vibration parameters generated when present inventor is by working to 110 impeller 111 of centrifugal blower carry out comprehensive
Multiple breeze fans, are creatively entirely accommodated in the accommodation space limited in fan supporter, and dexterously use by analysis
Centrifugal blower 110 and fan supporter are fixed as one after formula component and are mounted in casing again by the attaching plate elements of particular form, make
It is more reliable and more stable to obtain complete machine structure, not only will not aggravate to vibrate because of the raising of machine gravity and generate strong noise, instead
And it reduces the vibration of complete machine and reduces noise.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or derive many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers other all these variations or modifications.
Claims (10)
1. a kind of cabinet type air conditioner indoor set, including：
Casing offers shell air inlet and at least one shell air outlet；
Air-supply assembly, including at least one centrifugal blower, are set in the casing, and at least one centrifugal blower configuration
To suck surrounding air from the ambient enviroment of the shell air inlet and promoting surrounding air respectively at least one casing
Air outlet flows；And
Indoor heat exchanger is set to the air intake road between the shell air inlet and at least one centrifugal blower, so that through
The surrounding air entered by the shell air inlet carries out heat exchange with the indoor heat exchanger；It is characterized in that,
The cabinet type air conditioner indoor set is provided at least one mixed flow air duct, and each mixed flow air duct is configured to environment sky
Gas is pumped on front side of the casing and is mixed with the heat exchange air from a shell air outlet blowout, to improve the wind of user
Sense experience.
2. cabinet type air conditioner indoor set according to claim 1, which is characterized in that
Each mixed flow air duct is set as from back to front towards the centrifugation wind by proximad its corresponding shell air outlet blow flow
The direction of machine extends, so that surrounding air is sufficiently mixed with heat exchange air on front side of the casing.
3. cabinet type air conditioner indoor set according to claim 1, which is characterized in that
The mixed flow air duct is set as tapered extension from back to front, in order to which surrounding air flows to the machine through the mixed flow air duct
On front side of shell.
4. cabinet type air conditioner indoor set according to claim 1, which is characterized in that
The quantity of the centrifugal blower is two, and is set to off in an imaginary horizontal plane mirror symmetry；
The shell air outlet includes top air outlet and the lower air outlet below the top air outlet, described in two
Centrifugal blower is configured to respectively to the top air outlet and lower air outlet delivery air.
5. cabinet type air conditioner indoor set according to claim 4, which is characterized in that described two centrifugal blowers are configured to：
When the indoor heat exchanger is in heating state, downside centrifugal blower is opened, and close upside centrifugal blower or reduction
The wheel speed of upside centrifugal blower；
When the indoor heat exchanger is in refrigerating state, upside centrifugal blower is opened, and close downside centrifugal blower or reduction
The wheel speed of downside centrifugal blower.
6. cabinet type air conditioner indoor set according to claim 5, which is characterized in that
The quantity in the mixed flow air duct is one；And
The mixed flow air duct be configured to surrounding air being pumped on front side of the casing and with blown out from the top air outlet
Exchange heat air mixing, cool without cold mixing wind to be formed.
7. cabinet type air conditioner indoor set according to claim 4, which is characterized in that
The quantity in the mixed flow air duct is two；And
Two mixed flow air ducts be configured to surrounding air being pumped on front side of the casing and respectively with from the top outlet air
The heat exchange air mixing of mouth and lower air outlet blowout.
8. cabinet type air conditioner indoor set according to claim 4, which is characterized in that the air-supply assembly further includes：
Fan supporter, by four facing each other circumferential side plates and respectively in each circumferential end and described four circumferential direction side plates
Two longitudinal end plates that longitudinal both ends combine surround, and it is empty that described two centrifugal blowers are set to the receiving that the fan supporter limits
In.
9. cabinet type air conditioner indoor set according to claim 8, which is characterized in that further include：
Multigroup attaching plate elements, every group of attaching plate elements include multiple attaching plate elements, and every group of attaching plate elements be set as one end with
The spiral case side wall of one centrifugal blower is fixedly connected, and the other end is fixedly connected with the fan supporter respectively, should be from
Heart wind turbine is fixed on the fan supporter.
10. cabinet type air conditioner indoor set according to claim 5, which is characterized in that the air-supply assembly further includes：
Two air-guiding aisles, channel air inlet are respectively set to dock with the fan outlet of described two centrifugal blowers, and
Extend towards away from the direction of the imaginary horizontal plane to front arc, to receive the air-flow from described two centrifugal blowers respectively simultaneously
Air-flow is oriented to the top air outlet and lower air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810316922.1A CN108413497B (en) | 2018-04-10 | 2018-04-10 | Indoor unit of cabinet air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810316922.1A CN108413497B (en) | 2018-04-10 | 2018-04-10 | Indoor unit of cabinet air conditioner |
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| CN108413497B CN108413497B (en) | 2023-07-25 |
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| CN108413497B (en) | 2023-07-25 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20230705 Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. |
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