CN104676746B - Wall-hanging air conditioner indoor unit with many supply air systems - Google Patents

Wall-hanging air conditioner indoor unit with many supply air systems Download PDF

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Publication number
CN104676746B
CN104676746B CN201310618857.5A CN201310618857A CN104676746B CN 104676746 B CN104676746 B CN 104676746B CN 201310618857 A CN201310618857 A CN 201310618857A CN 104676746 B CN104676746 B CN 104676746B
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CN
China
Prior art keywords
air
supply air
indoor
supply
housing
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Active
Application number
CN201310618857.5A
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Chinese (zh)
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CN104676746A (en
Inventor
王永涛
关婷婷
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.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Haier Group Corp
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Haier Group Corp
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Application filed by Qingdao Haier Air Conditioner Gen Corp Ltd, Haier Group Corp filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CN201310618857.5A priority Critical patent/CN104676746B/en
Publication of CN104676746A publication Critical patent/CN104676746A/en
Application granted granted Critical
Publication of CN104676746B publication Critical patent/CN104676746B/en
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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
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0003Room 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
    • 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
    • F24F13/02Ducting arrangements
    • F24F13/06Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • 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
    • F24F13/20Casings or covers
    • 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
    • F24F13/24Means for preventing or suppressing noise
    • 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
    • F24F13/26Arrangements for air-circulation by means of induction, e.g. by fluid coupling or thermal effect
    • 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
    • F24F13/30Arrangement or mounting of heat-exchangers
    • 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
    • F24F13/20Casings or covers
    • F24F2013/205Mounting a ventilator fan therein
    • 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
    • F24F13/24Means for preventing or suppressing noise
    • F24F2013/247Active noise-suppression

Abstract

The invention discloses a kind of wall-hanging air conditioner indoor unit with many supply air systems, including housing, the indoor set is arranged in order before and after also including, at least two-stage supply air system that air channel is isolated from each other, and every grade of supply air system includes forming air inlet and round wind outlet and the fan and heat exchanger that are arranged on the enclosure interior on the housing.The present invention is by setting multiple supply air systems in machine indoors, each supply air system uses annular air, efficiently solves the problem of existing indoor set air supply direction is single, blowing range is limited.

Description

Wall-hanging air conditioner indoor unit with many supply air systems
Technical field
The present invention relates to air-conditioning technique field, it is to be related to indoor apparatus of air conditioner specifically, is to relate to more specifically And a kind of wall-hanging air conditioner indoor unit with many supply air systems.
Background technology
Its supply air system is designed using axial-flow fan more than existing wall-hanging air conditioner indoor unit, and according to its air channel structure feature Other structures part is designed, so as to constitute upper air inlet, the air supply mode of lower air-out.In the presence of existing traditional wall-hanging air conditioner indoor unit State deficiency:On the one hand, due to can only use upper air inlet, this single air-supply structure of lower air-out, cause its air supply direction it is single, Blowing range is limited, and air circulation ability is weak, influences the heat exchange efficiency of air-conditioning;On the other hand, because air supply direction is single, in nothing Method is avoided in the case that air-out is directly blown onto on the person, and because air-supply air quantity is strong, substantial amounts of air-out, which is blown to, can cause people on the person Body feels under the weather, and air-supply comfortableness is poor.
The content of the invention
It is an object of the invention to provide a kind of wall-hanging air conditioner indoor unit with many supply air systems, by machine indoors Multiple supply air systems are set, and each supply air system uses annular air, efficiently solve that existing indoor set air supply direction is single, send The problem of demeanour encloses limited.
For achieving the above object, the present invention is achieved using following technical proposals:
A kind of wall-hanging air conditioner indoor unit with many supply air systems, including housing, before and after the indoor set also includes Be arranged in order, at least two-stage supply air system that air channel is isolated from each other, every grade of supply air system includes being formed entering on the housing Air port and round wind outlet and the fan and heat exchanger for being arranged on the enclosure interior.
Indoor set as described above, to reduce noise, increase incoming air area, the front and rear at least two-stage being arranged in order is sent In wind system, formed positioned at the air inlet of the first order supply air system of rear end at the back side of the housing, first order air-supply system The round wind outlet formation of system is in the side of the housing and/or above.
Indoor set as described above, is the incoming air area of further increase first order supply air system, and then improves whole room Total intake of interior machine, the back side side outline line of the housing is the camber line of convex, edge gradually withdrawn forward behind centre, described The air inlet formation of first order supply air system is in the cambered surface being made up of the camber line.
It is preferred that, it is formed with wind deflector in the round wind outlet.
It is preferred that, the orthographic projection of the indoor set is rounded or side number be more than 4 polygon.
Indoor set as described above, is further reduction heat exchanger crushing, improves air quantity, reduces noise, described every grade is sent Fan in wind system is the centrifugation wind that heat exchanger in centrifugal fan, this grade of supply air system is arranged in this grade of supply air system Between fan and air inlet.
Round wind outlet in indoor set as described above, every grade of supply air system is formed on the housing, with being somebody's turn to do In level supply air system at the corresponding position of the blade of centrifugal fan.
Indoor set as described above, to improve wind pushing performance, is each formed with from the level in every grade of supply air system The wind of centrifugal fan blowout in supply air system is oriented to the annular air supply air channel of corresponding round wind outlet.
It is preferred that, the annular air supply air channel include from the forward and backward outer edge of the centrifugal fan respectively to this from The preceding annular wind guiding member and rear annular wind guiding member of the corresponding round wind outlet extension of heart fan.
Indoor set as described above, drip tray is provided with the exchanger base.
Compared with prior art, advantages and positive effects of the present invention are:
1st, wall-hanging air conditioner indoor unit of the invention is by setting multistage supply air system, and every grade of supply air system is gone out using annular Air port, blows using in round wind outlet circumferential direction, so that the three-dimensional, air-supply of multi-angle is realized using multistage supply air system, It has been finally reached without dead angle, comprehensive 3d air delivery, has improved indoor heat exchange efficiency.Moreover, by extending air supply direction, In the case of identical air quantity, the air-supply air quantity on some air supply direction can be reduced, can be blown to air-out can not be avoided on the person In the case of reduce the air quantity for blowing to human body, reduce the wind-induced discomfort of human body blow-through.
2nd, by setting centrifugal fan in every grade of supply air system, by heat exchanger be arranged on centrifugal fan and air inlet it Between, constitute air draught type structure so that the wind of low speed first pass through heat exchanger then arrive again after centrifugal fan is boosted with high speed from Air outlet is blown out, and can be reduced the crushing at heat exchanger, be improved air-out volume, and reduce further indoor set noise.
3rd, wall-mounted housing indoor set uses centrifugal fan, can make it that whole indoor machine structure is compact, is easy to break existing It is rectangular conventional outward appearance limitation for axial-flow fan, orthographic projection to have wall-hanging air conditioner indoor unit, helps preferably to meet The individual demand of user.
After the embodiment that the present invention is read in conjunction with the figure, the other features and advantages of the invention will become more clear Chu.
Brief description of the drawings
Fig. 1 is the stereogram of the wall-hanging air conditioner indoor unit one embodiment of the present invention with many supply air systems;
Fig. 2 is the front view of Fig. 1 embodiments;
Fig. 3 is the side view of Fig. 1 embodiments;
Fig. 4 is the longitudinal sectional view of Fig. 3 side views;
Fig. 5 is the decomposed structure chart of Fig. 1 embodiments.
Embodiment
Technical scheme is described in further detail with reference to the accompanying drawings and detailed description.
First, make one to technical term involved in the embodiment to briefly explain:It is following to mention structure It is to be defined under structural member normal operating condition relative to the position of user during the above or below of part;For multiple The arrangement position of structural member carry out before or after description when, be also the device constituted with multiple structural members under normal operating condition The definition done relative to the position of user.
Referring to the present invention shown in Fig. 1 to Fig. 5 has an implementation of wall-hanging air conditioner indoor unit for many supply air systems Example, wherein, Fig. 1 is the stereogram of the embodiment, and Fig. 2 is its front view, and Fig. 3 and Fig. 4 are its side view and side view pair respectively The longitudinal sectional view answered, and Fig. 5 is its decomposed structure chart.
Anticipate as shown in Figures 1 to 5, the wall-hanging air conditioner indoor unit of the embodiment includes the rounded housing of orthographic projection 10, two-stage supply air system, respectively first order supply air system 1 and second level air-supply system are formed with the housing 10 and in housing 10 System 2.This two-stage supply air system is arranged successively with first order supply air system 1 before and after rear, the preceding structure of second level supply air system 2 Arrange, and the air channel between two-stage supply air system is kept apart by division board 3.
First order supply air system 1 includes the first air inlet 11 and the first annular air outlet 12 to be formed on the housing 10. Wherein, as shown in the side view of figure 3, the back side side outline line D of housing 10 be camber line D2 convex behind centre and edge gradually The camber line that the camber line D1 of withdrawn forward is constituted, so as to constitute the back side that surface is cambered surface using the contour line D of arc.Moreover, First air inlet 11 is formed in the cambered surface, so as to have on the basis of with same backs perspective plane than planar structure More large area forms first air inlet 11, and then can add the overall incoming air area of interior machine.And first annular air outlet 12 across the side in housing 10 and above, and is continuous round wind outlet.
First order supply air system 1 also includes being arranged on the centrifugal fan 14 of First Heat Exchanger 13 and first inside housing 10, In tandem, First Heat Exchanger 13 is arranged on the first centrifugal fan 14 and first and entered for first centrifugal fan 14 and First Heat Exchanger 13 Between air port 11, fixture can be passed through(Do not marked in figure)Fix on the housing 10.First Heat Exchanger 13 is plate-type exchanger, Convenient processing.The bottom of First Heat Exchanger 13 is provided with the first drip tray 15.First centrifugal fan 14 is arranged on First Heat Exchanger 13 fronts, can pass through fixed plate(Do not marked in figure)Fix on the housing 10.Moreover, first annular air outlet 12 correspond to first The Leaf of centrifugal fan 14(Do not marked in figure)Position and formed on the housing 10.
Second level supply air system 2 includes the second air inlet 21 and the second round wind outlet 22 to be formed on the housing 10. Second air inlet 21 is continuous circular air inlet mouthful, formed on the housing 10, the front of first annular air outlet 12, and pass through and set Division board 3 inside housing 10 is isolated with first annular air outlet 12 in housing 10, to prevent first annular air-out Mouthfuls 12 air-out is mixed with the air intake of the second air inlet 21, thus realize first order supply air system 1 and second level supply air system 2 it Between isolation.Second air outlet 22 is continuous round wind outlet, is formed in the front of the second air inlet 21.
Second level supply air system 2 also includes being arranged on the second heat exchanger 23 and the second centrifugal fan 24 inside housing 10, In tandem, the second heat exchanger 23 is arranged on the second centrifugal fan 24 and second and entered for second centrifugal fan 24 and the second heat exchanger 23 Between air port 21, fixture can be passed through(Do not marked in figure)Fix on the housing 10.Second heat exchanger 23 is plate-type exchanger, Convenient processing.The bottom of second heat exchanger 23 is provided with the second drip tray 25.Second centrifugal fan 24 is arranged on the second heat exchanger 23 fronts, can pass through fixed plate(Do not marked in figure)Fix on the housing 10.Moreover, the second round wind outlet 22 correspond to second The Leaf of centrifugal fan 24(Do not marked in figure)Position and formed on the housing 10.
The course of work of the wall-hanging air conditioner indoor unit of the embodiment is as follows:
For first order supply air system 1, the wind in room enters from the first air inlet 11 positioned at the back side of housing 10, passes through After First Heat Exchanger 13 exchanges heat, it is inhaled into inside the first centrifugal fan 14, after the Promotion From Within pressure of the first centrifugal fan 14, Centrifugal fan 14 is thrown out of, is then most sent afterwards through first annular air outlet 12 spirally to external diffusion after the blowout of its blade Go out, realize 360 ° of circumferential air-supply.
For second level supply air system 2, the wind in room enters from the second air inlet 21 on housing 10, passes through After the heat exchange of two heat exchangers 23, it is inhaled into inside the second centrifugal fan 24, after the Promotion From Within pressure of the second centrifugal fan 24, quilt Centrifugal fan 24 is thrown away, is then most sent out afterwards through the second round wind outlet 22 spirally to external diffusion after the blowout of its blade, Realize that 360 ° of circumference is blown.
The wall-hanging air conditioner indoor unit of the embodiment is by setting the two-stage supply air system with round wind outlet, Neng Goushi Now many annulars, the air-supply of multi-angle, it is possible to achieve blown in room without dead angle, air supply areas is improved to the full extent, increased Air supply direction, and then improve the heat exchange efficiency in room.In every grade of supply air system, using centrifugal fan, it can cause whole Individual indoor machine structure is compact, is easy to using the rounded housing of orthographic projection as its shell, has broken existing wall-hanging air conditioner room Interior machine is axial-flow fan, orthographic projection is rectangular conventional outward appearance limitation, and the individual demand of user is met well.And And, in every grade of supply air system, centrifugal fan and heat exchanger are using mode in tandem, and heat exchanger is arranged on centrifugal fan and air intake Between mouthful, heat exchanger can use existing plate armature, and easy to process, heat exchange property is stable;And, for heat exchanger Speech, is air draught mode, its windward side is just to air inlet, and face velocity is low speed windward, and wind is low by crushing during heat exchanger, Ke Yiti The air-supply air quantity of high whole indoor set, reduces indoor set noise.
In this embodiment, because the frontal plane of projection of housing 10 is circle, the heat exchanger 23 of First Heat Exchanger 13 and second is Plate armature, heat exchanger can not be brought into close contact with housing 10.To improve heat exchange efficiency, it is to avoid enter housing 10 from air inlet Internal wind is entered without heat exchanger in the centrifugal fan of corresponding supply air system, and the embodiment makees following result design: The rear end surrounding of first air inlet 11 is provided with first baffle 16 in First Heat Exchanger 13, first baffle 16 is respectively with first Heat exchanger 13 and housing 10 are mutually fixed, and First Heat Exchanger 13 is mutually sealed by the first baffle 16 and housing 10, so that, it is ensured that from The wind that first air inlet 11 is entered in housing 10 by First Heat Exchanger 13, then blows to through the first centrifugal fan 14 again One round wind outlet 12.Likewise, being provided with second baffle close to the rear end surrounding of the second air inlet 21 in the second heat exchanger 23 26, second baffle 26 is mutually fixed with the second heat exchanger 23 and housing 10 respectively, the second heat exchanger 23 by the second baffle 26 with Housing 10 is mutually sealed, so that, it is ensured that the wind entered in housing 10 from the second air inlet 21 is by the second heat exchanger 23, then Again the second round wind outlet 22 is blowed to through the second centrifugal fan 24.
To cause the wind that centrifugal fan is blown out in every grade of supply air system smoothly to blow to round wind outlet, the embodiment is at every grade Annular air supply air channel is provided with supply air system.As shown in figure 4, being formed with first annular air-supply in first order supply air system 1 The second annular air supply air channel 27 is formed with air channel 17, second level supply air system 2.By taking the second annular air supply air channel 27 as an example, such as Fig. 5 decomposed structure chart is illustrated, in the embodiment, and the second annular air supply air channel 27 is by preceding annular wind guiding member 28 and rear ring Shape wind guiding member 29 is constituted.Wherein, preceding annular wind guiding member 28 is from the preceding outer edge of the second centrifugal fan 24 to the second annular air The wind guiding members of the extension of mouth 22, then annular wind guiding member 29 is from the rear outer edge of the second centrifugal fan 24 to the second round wind outlet The wind guiding member of 22 extensions.Moreover, preceding annular wind guiding member 28 and rear annular wind guiding member 29 are that surface is curved surface, to increase wind-guiding Performance, it is to avoid be vortexed.
In this embodiment, first order supply air system 1 is as primary supply air system, its first air inlet 11 and The area of one air outlet 12 is larger;Likewise, the heat exchange area of its First Heat Exchanger 13 is blown also greater than the second level The heat exchange area of the second heat exchanger 23 in system 2.To avoid mixed and disorderly air-out, influence air supply velocity and air supply areas, larger The first air outlet 12 at be formed with wind deflector 18.Moreover, for the first order supply air system 1 as primary supply air system, it One air inlet 11 is located at the back side of housing 10, and its first annular air outlet 12 is located at the front of the first air inlet, air intake, side after formation Or/and preceding annular air, indoor set noise can be reduced.
The supply air system of the embodiment is designed as two-stage, but is not limited to this.If the thickness of housing 10 allows, can be with shape Into the supply air system of the more stages such as the 3rd pole, the fourth stage.Moreover, the orthographic projection of indoor set is also not limited to the circle of the embodiment Shape, may be designed in the polygon that orthographic projection is more than 4 for side number, such as pentagon, hexagon, octagon, to improve interior The diversity of machine product, meets individual demand of the user to indoor set profile.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than is limited;Although with reference to foregoing reality Apply example the present invention is described in detail, for the person of ordinary skill of the art, can still implement to foregoing Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic;And these are changed or replaced Change, the essence of appropriate technical solution is departed from the spirit and scope of claimed technical solution of the invention.

Claims (9)

1. a kind of wall-hanging air conditioner indoor unit with many supply air systems, including housing, it is characterised in that the indoor set is also wrapped First order supply air system and second level supply air system are included, the first order supply air system is in rear, described second level supply air system Preceding, the air channel between two-stage supply air system is isolated from each other, and every grade of supply air system includes the wind for being arranged on the enclosure interior Fan and heat exchanger;The first order supply air system includes the first air inlet and first annular air outlet, first air inlet Formed at the back side of the housing, the first annular air outlet formation is in the side of the housing and above;The second level Supply air system includes the second air inlet and the second round wind outlet, the second air inlet formation on the housing, it is described In front of first annular air outlet, the second round wind outlet formation is in front of second air inlet.
2. indoor set according to claim 1, it is characterised in that the back side side outline line of the housing is behind centre The camber line of convex, edge gradually withdrawn forward, first air inlet formation of the first order supply air system is by the camber line In the cambered surface of composition.
3. indoor set according to claim 1, it is characterised in that be formed with wind deflector on the first annular air outlet.
4. indoor set according to claim 1, it is characterised in that the orthographic projection of the indoor set is rounded or side number is more than 4 polygon.
5. indoor set according to any one of claim 1 to 4, it is characterised in that the wind in every grade of supply air system Fan be heat exchanger in centrifugal fan, this grade of the supply air system centrifugal fan and air inlet that are arranged in this grade of supply air system it Between.
6. indoor set according to claim 5, it is characterised in that the round wind outlet in every grade of supply air system is formed On the housing, at the position corresponding with the blade of centrifugal fan in this grade of supply air system.
7. indoor set according to claim 6, it is characterised in that be each formed with every grade of supply air system by from this The wind of centrifugal fan blowout in level supply air system is oriented to the annular air supply air channel of corresponding round wind outlet.
8. indoor set according to claim 7, it is characterised in that the annular air supply air channel includes from the centrifugation wind Preceding annular wind guiding member and rear annular that the forward and backward outer edge of fan extends to the round wind outlet corresponding with the centrifugal fan respectively Wind guiding member.
9. indoor set according to claim 5, it is characterised in that the exchanger base is provided with drip tray.
CN201310618857.5A 2013-11-29 2013-11-29 Wall-hanging air conditioner indoor unit with many supply air systems Active CN104676746B (en)

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CN201310618857.5A CN104676746B (en) 2013-11-29 2013-11-29 Wall-hanging air conditioner indoor unit with many supply air systems

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Application Number Priority Date Filing Date Title
CN201310618857.5A CN104676746B (en) 2013-11-29 2013-11-29 Wall-hanging air conditioner indoor unit with many supply air systems

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CN104676746B true CN104676746B (en) 2017-08-01

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105674406B (en) * 2016-03-28 2019-03-26 美的集团武汉制冷设备有限公司 Air conditioner indoor unit
CN106091136A (en) * 2016-08-05 2016-11-09 珠海格力电器股份有限公司 Indoor apparatus of air conditioner and air-conditioner

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2278889Y (en) * 1996-10-10 1998-04-15 薛金岭 Multidirectional split air conditioner
CN2376601Y (en) * 1999-04-26 2000-05-03 徐国庆 Split two-side air-blowing air conditioner
CN2418404Y (en) * 2000-02-21 2001-02-07 青岛市家用电器研究所 Indoor machine of air-conditioner
JP2004286235A (en) * 2003-03-19 2004-10-14 Sanyo Air Conditioners Kk Wall-mounting air conditioner
CN1292212C (en) * 2004-05-20 2006-12-27 上海交通大学 Cabinet air-conditioner with multi-directional air-blowing
CN202792251U (en) * 2012-08-03 2013-03-13 广东美的制冷设备有限公司 Indoor unit of split air conditioner and split air conditioner with the same
CN203823886U (en) * 2013-11-29 2014-09-10 海尔集团公司 Wall mounting type air conditioner indoor unit with a plurality of air supply systems

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