CN111076405A - Small-size individualized children room air conditioner - Google Patents

Small-size individualized children room air conditioner Download PDF

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Publication number
CN111076405A
CN111076405A CN201911251629.2A CN201911251629A CN111076405A CN 111076405 A CN111076405 A CN 111076405A CN 201911251629 A CN201911251629 A CN 201911251629A CN 111076405 A CN111076405 A CN 111076405A
Authority
CN
China
Prior art keywords
air
air guide
small
air conditioner
sized
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.)
Pending
Application number
CN201911251629.2A
Other languages
Chinese (zh)
Inventor
潘正伟
刘慧�
周文伟
杨永祥
李强
王现林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201911251629.2A priority Critical patent/CN111076405A/en
Publication of CN111076405A publication Critical patent/CN111076405A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/16Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of parallelly-movable plates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)

Abstract

The invention relates to the technical field of air conditioners, in particular to a small-sized personalized children room air conditioner, which comprises a base and an air supply mechanism arranged on the base; a housing disposed on the base; the upper cover plate is arranged at the top of the shell and is provided with an air outlet pipe; the air guide mechanism arranged on the upper cover plate comprises a plurality of layers of air guide plate assemblies which are uniformly distributed around an air outlet pipe from inside to outside, and the air guide plate assemblies are rotatably connected to the upper cover plate. The air guide mechanism comprises a plurality of layers of air guide plate assemblies, the air guide plate assemblies can be opened and closed under the driving of the driving assemblies arranged in the air guide plate assemblies, the air supply mechanism arranged on the base can upwards blow air flow to the air guide plate assemblies and is combined with air, cold air is dispersed under the action of the air guide plates as the air guide plates flow into an indoor environment, air supply is softer, and meanwhile, direct blowing to people is avoided.

Description

Small-size individualized children room air conditioner
Technical Field
The invention relates to the technical field of air conditioners, in particular to a small-sized personalized children room air conditioner.
Background
Air conditioners (Air conditioners) are Air conditioners. The device is used for manually regulating and controlling parameters such as temperature, humidity, flow rate and the like of ambient air in a building or a structure. Generally comprises a cold source/heat source device, a cold and hot medium delivery and distribution system, a terminal device and other auxiliary devices. The system mainly comprises a refrigeration host, a water pump, a fan and a pipeline system. The end device is responsible for specifically processing the air state by utilizing the cold and heat quantity from the transmission and distribution so as to enable the air parameters of the target environment to meet the requirements. At present, some air conditioner outward appearances and structural style on the market are comparatively traditional, wall-hanging or vertical usually, and most of air conditioners all are by drain pan wind channel, the air outlet, aviation baffle etc. are constituteed, the whole unable fine eyeball of attracting the consumer of air conditioner, especially some require higher family to children's room, ordinary air conditioner can't be fine more satisfies consumer's needs, ordinary air conditioner has the cold wind to blow the people, the phenomenon that the air supply is soft, children's health is comparatively weak, cold wind directly blows easy sick, cold wind does not blow the people, it is very important to blow soft these factors of cold wind to children's room air conditioner.
Disclosure of Invention
In order to solve the problems, the invention provides a small-sized personalized children room air conditioner.
The invention is realized by adopting the following scheme:
a small-sized personalized children room air conditioner comprises a base; the air supply mechanism is arranged on the base; a housing disposed on the base; the upper cover plate is arranged at the top of the shell and is provided with an air outlet pipe; the air guide mechanism is arranged on the upper cover plate and comprises a plurality of layers of air guide plate assemblies which are uniformly distributed around the air outlet pipe from inside to outside, and the air guide plate assemblies can be rotatably connected to the upper cover plate; the driving mechanism is arranged in the shell and used for driving the air deflector assembly to open and close; the driving mechanism comprises a driving assembly arranged on the inner wall of the shell and a transmission assembly used for connecting the driving assembly and the air deflector assembly.
Further, the transmission assembly comprises a transmission shaft connected with the driving assembly, a first end cover connected with the transmission shaft, a plurality of support rods rotatably connected to the first connecting seat, a second end cover connected to the inner wall of the shell, and a plurality of racks movably connected to the second end cover and corresponding to the support rods, wherein the support rods are rotatably connected with the racks.
Furthermore, the air deflector assembly comprises a plurality of air deflectors, the air deflectors are rotatably connected with the upper cover plate, and a sector gear matched with the rack is further arranged at the lower end of each air deflector.
Furthermore, the transmission shaft is provided with threads, a protection box is arranged at the bottom of the first end cover, a threaded sleeve is arranged in the protection box, and the threaded sleeve is connected with the transmission shaft.
Furthermore, the bottom of the rack is provided with a connecting part, and the support rod is rotatably connected with the connecting part.
Furthermore, the driving assembly comprises a mounting box connected to the inner wall of the shell, a driving motor arranged on the mounting box, and a first transmission gear connected with a main shaft of the driving motor.
Furthermore, the lower end of the transmission shaft is rotatably connected with the mounting box, and the upper end of the transmission shaft is rotatably connected with the upper cover plate; and a second transmission gear matched with the first transmission gear is further arranged at the lower end of the transmission shaft.
Furthermore, the air supply mechanism comprises an air supply motor arranged on the base, a rotating shaft connected with a main shaft of the air supply motor, an axial flow fan blade arranged at the upper end part of the main shaft, and an evaporator arranged at the periphery of the air supply motor and the axial flow fan blade.
Further, the bottom of base still is provided with the bed plate.
Furthermore, a plurality of air inlet holes for air inlet are formed in the position, corresponding to the air supply mechanism, of the shell, and a water discharge pipe connector is further arranged at the position, close to the bottom, of the shell.
Further, the diameter of the air inlet hole is smaller than 3 mm.
Compared with the prior art, the invention has the following beneficial effects:
the air guide mechanism comprises a plurality of layers of air guide plate assemblies, the air guide plate assemblies can be opened and closed under the driving of the driving assemblies arranged in the air guide plate assemblies, the air supply mechanism arranged on the base can upwards blow air flow to the air guide plate assemblies and is combined with air, cold air is dispersed under the action of the air guide plates as the air guide plates flow into an indoor environment, air supply is softer, and meanwhile, direct blowing to people is avoided. On the other hand, the multilayer air guide plate component arranged from inside to outside can simulate the open state of a flower when being opened and can simulate the bud state when being closed, so that the appearance is more attractive, the eyeballs of consumers are attracted more, and the multi-layer air guide plate component is more suitable for being used in children rooms.
Drawings
Fig. 1 is a schematic structural diagram of a small-sized personalized children room air conditioner provided by the invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is a schematic view of the connection between the first end cap and the transmission shaft according to the present invention.
Fig. 5 is an opening schematic view of the air deflection assembly of the present invention.
The figure includes:
the air conditioner comprises a base 1, an upper cover plate 11, an air outlet pipe 12, a base plate 13, an air supply mechanism 2, an air supply motor 21, a rotating shaft 22, an axial flow fan blade 23, an evaporator 24, a shell 3, an air inlet hole 31, a drain pipe interface 32, an air deflector component 4, an air deflector 41, a sector gear 42, a driving mechanism 5, a driving component 51, a mounting box 511, a driving motor 512, a first transmission gear 513, a transmission component 52, a transmission shaft 521, a first end cover 522, a support rod 523, a second end cover 524, a rack 525, a protection box 526, a threaded sleeve 527, a connecting part 528 and a second transmission gear 529.
Detailed Description
To facilitate an understanding of the present invention for those skilled in the art, the present invention will be described in further detail below with reference to specific embodiments and accompanying drawings.
Referring to fig. 1 to 5, the invention provides a small-sized personalized children room air conditioner, comprising a base 1; the air supply mechanism 2 is arranged on the base 1; a housing 3 provided on the base 1; the upper cover plate 11 is arranged at the top of the shell 3, and an air outlet pipe 12 is arranged on the upper cover plate 11; the air guide mechanism arranged on the upper cover plate 11 comprises a plurality of layers of air guide plate assemblies 4 which are uniformly distributed from inside to outside around an air outlet pipe 12, and the air guide plate assemblies 4 are rotatably connected on the upper cover plate 11; the driving mechanism 5 is arranged in the shell 3 and used for driving the air deflector assembly 4 to open and close; the driving mechanism 5 comprises a driving assembly 51 arranged on the inner wall of the housing 3, and a transmission assembly 52 for connecting the driving assembly 51 and the air deflector assembly 4. The bottom of the base 1 is also provided with a base plate 13. The casing 3 encloses the drive unit 51, the transmission unit 52, and the blower mechanism 2.
The number of the air deflectors of each layer of air deflector assembly 4 is different, the air deflector assembly 4 is provided with two layers in the embodiment, each layer of air deflector assembly 4 is wound into an end-to-end connection state, the two layers of air deflector assemblies 4 can be closed and opened, the air outlet is closed by the inner layer of air deflector assembly 4 when the air outlet is closed, and the outer layer of air deflector assembly 4 wraps the inner layer of air deflector assembly 4.
The transmission assembly 52 includes a transmission shaft 521 connected to the driving assembly 51, a first end cap 522 connected to the transmission shaft 521, a plurality of support bars 523 rotatably connected to the first connection base, a second end cap 524 connected to the inner wall of the housing 3, and a plurality of racks 525 movably connected to the second end cap 524 and corresponding to the support bars 523, wherein the support bars 523 are rotatably connected to the racks 525. The rack 525 is provided with a connecting portion 528 at the bottom, and the support rod 523 is rotatably connected with the connecting portion 528.
The air deflector assembly 4 comprises a plurality of air deflectors 41, the air deflectors 41 are rotatably connected with the upper cover plate 11, a sector gear 42 matched with the rack 525 is further arranged at the lower end of the air deflector 41 (the connecting position of the air deflector and the upper cover plate 11 can be the circle center of the sector gear 42), that is, each air deflector 41 is operated by the cooperation of the sector gear 42 at the bottom of the air deflector and the rack 525 (each sector gear 42, the rack 525 and the support rod 523 form a group), and the sector gear 42 and the rack 525 are meshed back and forth to drive the rotation of the air deflector, so that the opening and closing of the air deflector assembly 4 are realized. The air deflector 41 is petal-shaped, and the petals of the two layers of air deflector components 4 are arranged in a staggered mode. In the embodiment, the air deflector is arranged in a rose petal shape, so that the air deflector looks like a rose which is unfolded when opened, and a bud which contains buds when closed. In specific implementation, the flower can be set into other types of petals according to requirements.
The transmission shaft 521 is provided with threads (both ends are not provided with threads), the bottom of the first end cover 522 is provided with a protection box 526, a threaded sleeve 527 is arranged in the protection box 526, and the threaded sleeve 527 is connected with the transmission shaft 521. The protection can prevent external sundries from entering key movement parts, thereby influencing the reliability of the operation.
The driving assembly 51 comprises a mounting box 511 connected to the inner wall of the housing 3, a driving motor 512 arranged on the mounting box 511, and a first transmission gear 513 connected with the main shaft of the driving motor 512. The lower end of the transmission shaft 521 is rotatably connected with the mounting box 511, and the upper end of the transmission shaft 521 is rotatably connected with the upper cover plate 11; the lower end of the transmission shaft 521 is further provided with a second transmission gear 529 matched with the first transmission gear 513. When driving motor 512 starts, drive the transmission shaft 521 through first drive gear 513 and second drive gear 529 and rotate to make swivel nut 527 remove in vertical direction, the removal of swivel nut 527 drives first end cover 522 and reciprocates, thereby promotes rack 525 through bracing piece 523 and removes, rack 525 makes the aviation baffle rotate with sector gear 42 meshing transmission, and then realizes opening and closing of air guide component.
The air supply mechanism comprises an air supply motor 21 arranged on the base 1, a rotating shaft 22 connected with a main shaft of the air supply motor 21, an axial flow fan blade 23 arranged at the upper end part of the main shaft, and an evaporator 24 arranged at the periphery of the air supply motor 21 and the axial flow fan blade 23. The height of the evaporator 24 approximately corresponds to the axial flow fan blade 23.
A plurality of air inlet holes 31 for air inlet are arranged at the position of the shell 3 corresponding to the air supply mechanism 2, and a water outlet pipe interface 32 is arranged at the position of the shell 3 close to the bottom. The diameter of the air inlet hole 31 is smaller than 3mm, so that insects, mice and the like are prevented from entering the air conditioner to bite key electrical components, and electrical safety is ensured.
In specific implementation, the outer wall of the housing 3 is further provided with an electric control and display area, so that a user can operate the electronic control and display area conveniently. The air outlet pipe 12 can be set to be side-outlet air, so that the air flow blown out from the inside enters the multiple air deflectors and is blown into the indoor environment along with the air deflectors. Meanwhile, the air outlet pipe 12 is not arranged, and the air inside the air outlet pipe can be directly blown onto the air deflector.
The air guide mechanism comprises a plurality of layers of air guide plate assemblies, the air guide plate assemblies can be opened and closed under the driving of the driving assemblies arranged in the air guide plate assemblies, the air supply mechanism arranged on the base can upwards blow air flow to the air guide plate assemblies and is combined with air, cold air is dispersed under the action of the air guide plates as the air guide plates flow into an indoor environment, air supply is softer, and meanwhile, direct blowing to people is avoided. On the other hand, the multilayer air guide plate component arranged from inside to outside can simulate the open state of a flower when being opened and can simulate the bud state when being closed, so that the appearance is more attractive, the eyeballs of consumers are attracted more, and the multi-layer air guide plate component is more suitable for being used in children rooms.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, e.g., as meaning permanently attached, removably attached, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the scope of the included claims.

Claims (11)

1. A small-sized personalized children room air conditioner is characterized by comprising a base;
the air supply mechanism is arranged on the base;
a housing disposed on the base;
the upper cover plate is arranged at the top of the shell and is provided with an air outlet pipe;
the air guide mechanism is arranged on the upper cover plate and comprises a plurality of layers of air guide plate assemblies which are uniformly distributed around the air outlet pipe from inside to outside, and the air guide plate assemblies can be rotatably connected to the upper cover plate;
the driving mechanism is arranged in the shell and used for driving the air deflector assembly to open and close; the driving mechanism comprises a driving assembly arranged on the inner wall of the shell and a transmission assembly used for connecting the driving assembly and the air deflector assembly.
2. The small-sized personalized children's room air conditioner according to claim 1, wherein the transmission assembly comprises a transmission shaft connected with the driving assembly, a first end cover connected with the transmission shaft, a plurality of support rods rotatably connected to the first connecting seat, a second end cover connected to the inner wall of the housing, and a plurality of racks movably connected to the second end cover and corresponding to the support rods, wherein the support rods are rotatably connected with the racks.
3. The small-sized personalized children's room air conditioner as claimed in claim 2, wherein the air guide plate assembly comprises a plurality of air guide plates, the air guide plates are rotatably connected with the upper cover plate, and a sector gear matched with the rack is further arranged at the lower ends of the air guide plates.
4. The small-sized personalized children's room air conditioner according to claim 2, wherein the transmission shaft is provided with screw threads, the bottom of the first end cover is provided with a protective box, a threaded sleeve is arranged in the protective box, and the threaded sleeve is connected with the transmission shaft.
5. The small-sized personalized children's room air conditioner according to claim 2, wherein a connecting part is provided at the bottom of the rack, and the support rod is rotatably connected with the connecting part.
6. The small-sized personalized children's room air conditioner according to claim 2, wherein the driving assembly comprises a mounting box connected to the inner wall of the housing, a driving motor arranged on the mounting box, and a first transmission gear connected with a main shaft of the driving motor.
7. The small-sized personalized children's room air conditioner according to claim 6, wherein the lower end of the transmission shaft is rotatably connected with the mounting box, and the upper end of the transmission shaft is rotatably connected with the upper cover plate; and a second transmission gear matched with the first transmission gear is further arranged at the lower end of the transmission shaft.
8. The small-sized personalized children's room air conditioner according to claim 1, wherein the air supply mechanism comprises an air supply motor arranged on the base, a rotating shaft connected with a spindle of the air supply motor, an axial flow fan blade arranged at the upper end part of the spindle, and an evaporator arranged at the periphery of the air supply motor and the axial flow fan blade.
9. The small-sized personalized children's room air conditioner according to claim 1, wherein a base plate is further provided at the bottom of the base.
10. The small-sized personalized children's room air conditioner according to claim 1, wherein a plurality of air inlet holes for air inlet are formed at positions of the housing corresponding to the air supply mechanism, and a water discharge pipe connector is further formed at a position of the housing near the bottom.
11. The small form factor, personalized room air conditioner for children of claim 10, wherein the air inlet opening is less than 3mm in diameter.
CN201911251629.2A 2019-12-09 2019-12-09 Small-size individualized children room air conditioner Pending CN111076405A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911251629.2A CN111076405A (en) 2019-12-09 2019-12-09 Small-size individualized children room air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911251629.2A CN111076405A (en) 2019-12-09 2019-12-09 Small-size individualized children room air conditioner

Publications (1)

Publication Number Publication Date
CN111076405A true CN111076405A (en) 2020-04-28

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ID=70313401

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Country Status (1)

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CN (1) CN111076405A (en)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000037304A (en) * 2000-04-17 2000-07-05 장순형 A flower decoration lamp
KR20020032036A (en) * 2000-10-25 2002-05-03 주진용 The artificial flower with function of case
CN101756405A (en) * 2008-12-22 2010-06-30 鸿富锦精密工业(深圳)有限公司 Artificial flower
JP2015182480A (en) * 2014-03-20 2015-10-22 スズキ株式会社 Air stream guide plate
CN205825364U (en) * 2016-05-25 2016-12-21 上海市安装工程集团有限公司 A kind of energy-saving and noise reduction multifunction decorative air port of energy uniform air flow
CN205991583U (en) * 2016-08-25 2017-03-01 深圳沃海森科技有限公司 Flower-shape Split type wall-hanging ceiling dual-purpose indoor set
CN107559957A (en) * 2017-08-25 2018-01-09 珠海格力电器股份有限公司 Indoor unit, air conditioner and control method for suspension ball movement
KR20180027973A (en) * 2016-09-07 2018-03-15 임용균 Artificial Flower Robot for Alarm Clock
CN207661943U (en) * 2017-12-07 2018-07-27 苏州斐森尔净化科技有限公司 One kind being convenient to clean formula efficient air distributor
CN207962914U (en) * 2018-02-02 2018-10-12 珠海格力电器股份有限公司 Machine and air conditioner in air conditioning
CN208463024U (en) * 2018-07-03 2019-02-05 浙江佳合文化科技股份有限公司 The automatic flowers stage property of landscape
CN110030713A (en) * 2019-04-25 2019-07-19 珠海格力电器股份有限公司 Air outlet mechanism and air treatment equipment
CN211781851U (en) * 2019-12-09 2020-10-27 珠海格力电器股份有限公司 Small-size individualized children room air conditioner

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000037304A (en) * 2000-04-17 2000-07-05 장순형 A flower decoration lamp
KR20020032036A (en) * 2000-10-25 2002-05-03 주진용 The artificial flower with function of case
CN101756405A (en) * 2008-12-22 2010-06-30 鸿富锦精密工业(深圳)有限公司 Artificial flower
JP2015182480A (en) * 2014-03-20 2015-10-22 スズキ株式会社 Air stream guide plate
CN205825364U (en) * 2016-05-25 2016-12-21 上海市安装工程集团有限公司 A kind of energy-saving and noise reduction multifunction decorative air port of energy uniform air flow
CN205991583U (en) * 2016-08-25 2017-03-01 深圳沃海森科技有限公司 Flower-shape Split type wall-hanging ceiling dual-purpose indoor set
KR20180027973A (en) * 2016-09-07 2018-03-15 임용균 Artificial Flower Robot for Alarm Clock
CN107559957A (en) * 2017-08-25 2018-01-09 珠海格力电器股份有限公司 Indoor unit, air conditioner and control method for suspension ball movement
CN207661943U (en) * 2017-12-07 2018-07-27 苏州斐森尔净化科技有限公司 One kind being convenient to clean formula efficient air distributor
CN207962914U (en) * 2018-02-02 2018-10-12 珠海格力电器股份有限公司 Machine and air conditioner in air conditioning
CN208463024U (en) * 2018-07-03 2019-02-05 浙江佳合文化科技股份有限公司 The automatic flowers stage property of landscape
CN110030713A (en) * 2019-04-25 2019-07-19 珠海格力电器股份有限公司 Air outlet mechanism and air treatment equipment
CN211781851U (en) * 2019-12-09 2020-10-27 珠海格力电器股份有限公司 Small-size individualized children room air conditioner

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Effective date of registration: 20210318

Address after: 519070 9 Building (Science and technology building) 789 Jinji Road, Qianshan, Zhuhai, Guangdong

Applicant after: GREE GREEN REFRIGERATION TECHNOLOGY CENTER Co.,Ltd. OF ZHUHAI

Address before: 519070, Jinji Hill Road, front hill, Zhuhai, Guangdong

Applicant before: GREE ELECTRIC APPLIANCES,Inc.OF ZHUHAI

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Application publication date: 20200428