CN102644974A - Indoor unit of air conditioner - Google Patents
Indoor unit of air conditioner Download PDFInfo
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- CN102644974A CN102644974A CN2012101574517A CN201210157451A CN102644974A CN 102644974 A CN102644974 A CN 102644974A CN 2012101574517 A CN2012101574517 A CN 2012101574517A CN 201210157451 A CN201210157451 A CN 201210157451A CN 102644974 A CN102644974 A CN 102644974A
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Abstract
The invention provides an indoor unit of an air conditioner. The indoor unit comprises a shell, a return air inlet arranged on the lower side of the shell and an air outlet arranged on the front of the shell; a heat exchanger is arranged above the return air inlet; a water pan is arranged between the return air inlet and the heat exchanger; a fan is arranged above the heat exchanger and comprises cross flow blades and a volute, which are matched with each other; the volute is provided with an air outlet opening and comprises a front volute formed on the lower side of the air outlet opening and a rear volute formed on the upper side of the air outlet opening; the end, close to the cross flow blades, of the front volute is provided with a matching section matched with the cross flow blades; the included angle between lines connecting the two endpoints of the matching section with the circle center of the cross flow blades is gamma; the air inlet angle and air outlet angle of the indoor unit are respectively beta and alpha; the sum of alpha, beta and gamma is 360 degrees; alpha is not less than 100 degrees and not more than 170 degrees; and gamma is not less than 8 degrees and not more than 45 degrees. The indoor unit has the following beneficial effect that the angle ratio of alpha to beta to gamma is optimized, thus increasing the air quantity to noise ratio of the indoor unit.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of indoor apparatus of air conditioner.
Background technology
The indoor set of split-type air conditioner of the prior art; Structure like the air-cooled ducted air conditioner indoor set is mainly as illustrated in fig. 1 and 2; Its structure mainly comprises housing 10, and housing 10 internal fixation are provided with heat exchanger 20, and the below of heat exchanger 20 is provided with drip tray 30; One side of heat exchanger 20 is provided with blower fan 40, and housing 10 is provided with the return air inlet 11 and air outlet 12 that is positioned at heat exchanger 20 both sides.Heat exchanger 20 mainly contains two kinds of forms with blower fan 40: heat exchanger 20 as shown in Figure 1 is positioned at the air draught type of blower fan 40 inlet sides and the bleed type that heat exchanger 20 as shown in Figure 2 is positioned at blower fan 40 air sides.For these two kinds of forms, air-conditioning is left and right sides structure, and size is bigger, and for embedded or ceiling type air conditioner, the size that reduces its indoor set is to guarantee its reliable important means of installing.
Chinese patent 200610132497.8 discloses the indoor apparatus of air conditioner that a kind of side next time of installing up and down; Be the top that blower fan 40 is installed in heat exchanger 20; Return air inlet is positioned at the bottom of indoor set, makes whole indoor machine structure become compact, has reduced the size of indoor set effectively.Yet detailed description is not made in the concrete design, particularly blower fan of this indoor apparatus of air conditioner and the design of spiral case in this patent documentation, those skilled in the art can't according to this patent documentation design the air quantity noise than aspect the more excellent indoor apparatus of air conditioner of performance.
Summary of the invention
The present invention aims to provide the indoor apparatus of air conditioner that a kind of side next time that improves air quantity noise ratio goes out form.
The invention provides a kind of indoor apparatus of air conditioner, comprising: housing, and be arranged on the return air inlet air outlet positive on the housing downside with being arranged on housing; The top of return air inlet is provided with heat exchanger, is provided with drip tray between return air inlet and the heat exchanger, and the top of heat exchanger is provided with blower fan; Blower fan comprises through-flow fan blade and the spiral case that cooperatively interacts and be provided with, and has the air-out opening on the spiral case; Spiral case comprises preceding spiral case that forms air-out opening downside and the back spiral case that forms air-out opening upper side, and preceding spiral case has the cooperation section that cooperates with through-flow fan blade near the end of through-flow fan blade; Angle between the line in the two-end-point of cooperation section and the center of circle of through-flow fan blade is γ; The flow inlet angle of indoor apparatus of air conditioner is β, and efflux angles is α, wherein, and alpha+beta+γ=360 °, 100 °≤α≤170 °, 8 °≤γ≤45 °.
Further, 110 °≤α≤155 °, 14 °≤γ≤35 °.
Further, the angle of the straight line in the center of circle that the line in the peak of preceding spiral case and the center of circle of through-flow fan blade and vertical direction are crossed through-flow fan blade is θ, wherein, and 65 °≤θ≤106 °.
Further, 80 °≤θ≤100 °.
Further, the radius of through-flow fan blade is R, and the center of circle of through-flow fan blade is D to the air outlet horizontal range in the front of housing, wherein, R+40≤D≤R+100, R, D unit are millimeter.
Further, R+55≤D≤R+85, R, D unit are millimeter.
Further, preceding spiral case is δ apart from the minimum range of through-flow fan blade, wherein, and 4mm≤δ≤10mm.
Further, 5mm≤δ≤7mm.
Further, the angle between preceding spiral case and the back spiral case opens to the air side, forms the air-out diffusion angle Ф of indoor apparatus of air conditioner, wherein, and 10 °≤Ф≤40 °.
Further, 18 °≤Ф≤25 °.
According to indoor apparatus of air conditioner of the present invention, through optimizing its flow inlet angle β, the angle proportioning of efflux angles α and γ when improving its air quantity, reduces noise as much as possible, thereby improves its air quantity noise ratio.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is first kind of structural representation of indoor apparatus of air conditioner of the prior art;
Fig. 2 is second kind of structural representation of indoor apparatus of air conditioner of the prior art;
Fig. 3 is the perspective view according to indoor apparatus of air conditioner of the present invention;
Fig. 4 is the cross-sectional schematic according to indoor apparatus of air conditioner of the present invention;
Fig. 5 is the air-out diffusion angle Ф sketch map according to indoor apparatus of air conditioner of the present invention;
Fig. 6 is the sketch map according to the angle theta of the line in the center of circle of the preceding spiral case peak of indoor apparatus of air conditioner of the present invention and through-flow fan blade and vertical curve;
Fig. 7 is according to the air outlet of indoor apparatus of air conditioner of the present invention sketch map to the horizontal range D in the center of circle of through-flow fan blade;
Fig. 8 is the sketch map according to the minimum range δ of the preceding spiral case of indoor apparatus of air conditioner of the present invention and through-flow fan blade; And
Fig. 9 is according to the flow inlet angle β of indoor apparatus of air conditioner of the present invention and the sketch map of efflux angles α.
The specific embodiment
Below with reference to accompanying drawing and combine embodiment to specify the present invention.
Like Fig. 3,4, shown in 9,, comprising according to indoor apparatus of air conditioner of the present invention: housing 10, and be arranged on the return air inlet 11 and the air outlet 12 that is arranged on housing 10 fronts on housing 10 downsides; The top of return air inlet 11 is provided with heat exchanger 20, is provided with drip tray 30 between return air inlet and the heat exchanger 20, and the top of heat exchanger 20 is provided with blower fan 40; Blower fan 40 comprises the through-flow fan blade 41 and spiral case 42 that cooperatively interacts and be provided with, and has the air-out opening on the spiral case 42; Spiral case 42 comprises preceding spiral case 42a that forms air-out opening downside and the back spiral case 42b that forms air-out opening upper side.
Before spiral case 42a be generally straightway or arc section near what the end of through-flow fan blade 41 cooperated with through-flow fan blade 41, the line OB and the angle between the OC in the center of circle of the two-end-point of straightway or arc section and through-flow fan blade 41 are γ.It is that the flow inlet angle of indoor apparatus of air conditioner is β that lower extreme point C and back spiral case 42b go up angle apart from the line in the center of circle of the line in the closest approach of through-flow fan blade 41 and the through-flow fan blade center of circle and through-flow fan blade 41.It is that the efflux angles of indoor apparatus of air conditioner is α that back spiral case 42b goes up angle apart from the line in the center of circle of the line in the center of circle of the closest approach of through-flow fan blade 41 and through-flow fan blade 41 and upper extreme point B and through-flow fan blade 41, so alpha+beta+γ=360 °.And α, β, γ three's angle proportioning is the crucial factor of the air quantity of decision indoor apparatus of air conditioner, noise and air quantity stability.
With a specified refrigerating capacity indoor apparatus of air conditioner that is 3.5kw as experimental machine; This experimental machine adopts the two-fold heat exchanger, and the ratio on the length limit of heat exchanger is 1.8, is provided with 14 U pipes in the heat exchanger altogether; 47 watts of powers of motor, the complete machine size: the wide * of long * is high: 890mm*305mm*210mm.This experimental machine with the relevant parameter of following all experiments is: through-flow fan blade diameter 108mm; The center of circle of through-flow fan blade is D=125mm to the horizontal range of air outlet, and preceding spiral case is apart from the minimum range δ=6mm of through-flow fan blade, efflux angles α=150 °; γ=16 °, air-out diffusion angle Ф=20 °.Below all experiments all under the specified cooling condition of this experimental machine (outside 35 (dry-bulb temperature)/24 (wet-bulb temperature), 27 (dry-bulb temperature)/18 (wet-bulb temperature), inboard), carry out.
Find through experiment; When the span of γ is: 8 °≤γ≤45 °, the span of efflux angles α is 100 °≤α≤170 °, and the air quantity of indoor apparatus of air conditioner, noise and air quantity stability are all comparatively desirable; In this experiment; Control other parameter constants of this experimental machine, debugging α and γ, thus obtain following experimental data:
Table one: the experimental data of air quantity, noise and the air quantity stability of indoor apparatus of air conditioner under different α, γ
| α | γ | Air quantity (m 3/h） | Noise (decibel) | Air quantity stability |
| 170 | 8 | 564 | 44.1 | Unstable |
| 155 | 15 | 613 | 43.2 | Stable |
| 150 | 25 | 622 | 42.9 | Stable |
| 110 | 35 | 608 | 43.0 | Stable |
| 100 | 45 | 527 | 43.6 | Stable |
Can find out from above experimental data; When efflux angles is that α reduces to 100 ° gradually by 170 °, γ is increased to 45 ° of processes from 8 ° gradually, and air quantity appears and increases earlier the trend that afterwards reduces; And level of noise appears and reduces the trend that afterwards increases earlier, and it is stable that air quantity stability has instability to become.Take all factors into consideration three indexs of air quantity, noise and air quantity stability, α, γ more preferably scope are 110 °≤α≤155 °, 14 °≤γ≤35 °.And in α=150 °, air quantity, noise and air quantity stability obtain optimal value during γ=25 °.
Like Fig. 3,4, shown in 6; The angle θ of the line OA of the peak A of preceding spiral case 42a and the center of circle O of through-flow fan blade 41 and the straight line OH of the center of circle O that vertical direction is crossed through-flow fan blade 41 has very big influence to thickness, width and the air-out wind direction of complete machine; When the θ angle becomes big; Unit thickness increases, and width reduces, and the air-out wind direction is downward relatively; When the θ angle diminished, unit thickness reduced, and width increases, air outlet tendency level.Send the designing requirement of unit for side next time, θ preferably span is 65 °≤θ≤106 °, in this experiment, controls other parameter constants of this experimental machine, constantly debugs the θ number of degrees, thereby obtains following experimental data:
Table two: indoor apparatus of air conditioner under different θ angles to the influence of air-out direction
Can draw from above data; When θ constantly increased to 106 ° by 65 °, air outlet was constantly downward-sloping, from the air outlet position judgment; θ further preferably scope be 80 ° to 100 °; Most preferably value is 90 °, and the unit air-out is tilted to down, and the air outlet position is in the centre of unit bottom surface and peak.
Like Fig. 3,4, shown in 7, the radius of through-flow fan blade 41 is R, and the center of circle O of through-flow fan blade 41 is D to the outermost horizontal range of the air outlet 12 in the front of housing 10; When D was too big, unit air-out diffusion straightway was oversize, and the static pressure loss is excessive; Unit air-out air quantity diminishes, when D too hour, unit air-out diffusion straightway is too little; Cross flow fan can not form effective wind field, and the unit air quantity is little.Find that through experiment as R+40≤D≤R+100, the air quantity of indoor set is comparatively desirable, in this experiment, control other parameter constants of this experimental machine, constantly debug distance B, thereby obtain following experimental data:
Table three: the air quantity of indoor apparatus of air conditioner under different D
| D（mm） | Air quantity (m 3/h） |
| R+40 | 560 |
| R+55 | 608 |
| R+70 | 624 |
| R+85 | 591 |
| R+100 | 557 |
Can find out that from above experimental data when D is increased to by R+40mm in the process of R+100mm, air quantity increases afterwards earlier and reduces, and from the air quantity judgement, D more preferably scope is R+55≤D≤R+85, when R+70mm, obtains maximum quantity of wind 624m
3/ h.
Like Fig. 3,4, shown in 8, the upper end of preceding spiral case 42a is δ apart from the minimum range of through-flow fan blade 41, the key point that this minimum range δ also designs for indoor apparatus of air conditioner; When minimum range δ is excessive; Preceding spiral case 42a and flow field, through-flow fan blade 41 cooperation place are refluxed serious, and air quantity is little, when minimum range δ is too small; Preceding spiral case 42a and through-flow fan blade 41 cooperation place flow field backflow flow velocity are excessive, and noise is higher.Find that through experiment in the scope of δ at 4mm ~ 10mm, the air quantity noise of indoor apparatus of air conditioner relatively is desirable, in this experiment, control other parameter constants of this experimental machine, constantly debug minimum clearance δ, thereby obtain following experimental data:
Table four: the air quantity of indoor apparatus of air conditioner under different minimum range δ and the experimental data of noise
Can draw from above data, when minimum clearance δ increases to from 4mm the process of 10mm, air quantity appears and increases the trend that afterwards reduces earlier, and noise presents the trend that reduces.With air quantity noise ratio is index, and minimum clearance δ more preferably scope is 5mm ~ 7mm.And when minimum clearance δ was 6mm, the air quantity noise ratio of indoor apparatus of air conditioner was obtained maximum 14.8.
Shown in Fig. 3 to 5, preceding spiral case 42a opens the air side with angle between the spiral case 42b of back mutually, forms the air-out diffusion angle Ф of indoor apparatus of air conditioner, wherein, and 10 °≤Ф≤40 °.
In air-out diffusion angle Ф experiment, control other parameter constants of this experimental machine, constantly debug the number of degrees of air-out diffusion angle Ф.In this experiment, with regard to the air-out diffusion angle Ф of indoor apparatus of air conditioner, diffusion angle Ф designs when too small, and the unit air quantity is too little; Wind speed is bigger, causes noise of indoor unit of air conditioner excessive, when diffusion angle Ф design is too big, when promptly the air outlet of unit is too big; Air-out speed is too low, and the air quantity of unit also reduces to a certain extent, finds through a series of test; When the scope of diffusion angle Ф at 10 ° ~ 40 °, the air output of indoor apparatus of air conditioner and noise are comparatively satisfied, and air quantity noise ratio is preferably arranged.Concrete experimental data is as shown in the table:
Table five: the experimental data of indoor apparatus of air conditioner air quantity and noise under the different diffusion angles of giving vent to anger
| The air-out diffusion angle (°) | Air quantity (m 3/h） | Noise (decibel) | Air |
| 10 | 417 | 38.1 | 10.9 |
| 18 | 601 | 43.4 | 13.8 |
| 20 | 624 | 42.3 | 14.8 |
| 25 | 618 | 42.8 | 14.4 |
| 40 | 563 | 41.5 | 13.5 |
Can find out clearly that from above data in the process that air-out diffusion angle Ф constantly increases, air quantity and noise all present elder generation and increase the trend that afterwards reduces, and when air-out diffusion angle Ф was 20 °, air quantity reached maximum 624m
3/ h.When air-out diffusion angle Ф was 10 °, air quantity and noise were relatively all smaller, relatively be fit to some and hope that air-conditioning is quiet, and requirement is not too high type to air quantity.
Also can clearly find out from above data; When recently weighing the performance of indoor apparatus of air conditioner with overall target air quantity noise; More preferably the scope of air-out diffusion angle Ф is 18 ° ~ 25 °, and at this moment, the air quantity noise of indoor apparatus of air conditioner ratio is greater than 13.8; And air-out diffusion angle Ф be 20 ° for optimal value, this moment, air quantity noise ratio was 14.8.
From above description, can find out that the above embodiments of the present invention have realized following technique effect:
According to indoor apparatus of air conditioner of the present invention, through the blower fan of indoor apparatus of air conditioner and the relevant design of spiral case are made optimal design, thereby the air quantity of air-conditioning unit is improved, noise reduces, and the air quantity noise that improves indoor apparatus of air conditioner is than stable with air quantity.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. indoor apparatus of air conditioner comprises:
Housing (10), and be arranged on the return air inlet (11) on said housing (10) downside and be arranged on the positive air outlet (12) of said housing (10);
The top of said return air inlet (11) is provided with heat exchanger (20), is provided with drip tray (30) between said return air inlet (11) and the said heat exchanger (20), and the top of said heat exchanger (20) is provided with blower fan (40);
Said blower fan (40) comprises through-flow fan blade (41) and the spiral case (42) that cooperatively interacts and be provided with, and said spiral case has the air-out opening on (42);
It is characterized in that; Said spiral case (42) comprises preceding spiral case (42a) that forms said air-out opening downside and the back spiral case (42b) that forms said air-out opening upper side, and said preceding spiral case (42a) has the cooperation section (BC) that cooperates with said through-flow fan blade (41) near the end of said through-flow fan blade (41);
Angle between the line (OB and OC) in the two-end-point of said cooperation section and the center of circle of said through-flow fan blade (41) is γ, and the flow inlet angle of said indoor apparatus of air conditioner is β, and efflux angles is α; Wherein, Alpha+beta+γ=360 °, 100 °≤α≤170 °, 8 °≤γ≤45 °.
2. indoor apparatus of air conditioner according to claim 1 is characterized in that, 110 °≤α≤155 °, and 14 °≤γ≤35 °.
3. indoor apparatus of air conditioner according to claim 1 is characterized in that,
To cross the angle of straight line (OH) in the center of circle (O) of said through-flow fan blade (41) be θ for the line (OA) in the center of circle (O) of peak (A) and the said through-flow fan blade (41) of spiral case (42a) and vertical direction before said, wherein, and 65 °≤θ≤106 °.
4. indoor apparatus of air conditioner according to claim 3 is characterized in that, 80 °≤θ≤100 °.
5. indoor apparatus of air conditioner according to claim 1 is characterized in that,
The radius of said through-flow fan blade (41) is R, and the center of circle (O) of said through-flow fan blade (41) is D to said air outlet (12) horizontal range in the front of said housing (10), wherein, R+40≤D≤R+100, R, D unit are millimeter.
6. indoor apparatus of air conditioner according to claim 5 is characterized in that,
R+55≤D≤R+85, R, D unit are millimeter.
7. indoor apparatus of air conditioner according to claim 3 is characterized in that,
The minimum range of spiral case (42a) the said through-flow fan blade of distance (41) is δ before said, wherein, and 4mm≤δ≤10mm.
8. indoor apparatus of air conditioner according to claim 7 is characterized in that, 5mm≤δ≤7mm.
9. indoor apparatus of air conditioner according to claim 3 is characterized in that,
Angle before said between spiral case (42a) and the said back spiral case (42b) opens to the air side, forms the air-out diffusion angle Ф of said indoor apparatus of air conditioner, wherein, and 10 °≤Ф≤40 °.
10. indoor apparatus of air conditioner according to claim 9 is characterized in that, it is characterized in that 18 °≤Ф≤25 °.
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| CN2012101574517A CN102644974A (en) | 2012-05-18 | 2012-05-18 | Indoor unit of air conditioner |
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| CN2012101574517A CN102644974A (en) | 2012-05-18 | 2012-05-18 | Indoor unit of air conditioner |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566625A (en) * | 2013-10-09 | 2015-04-29 | 珠海格力电器股份有限公司 | Air pipe indoor unit |
| CN105299753A (en) * | 2015-09-02 | 2016-02-03 | 青岛海尔空调器有限总公司 | Split-type air conditioner |
| CN105546650A (en) * | 2016-01-26 | 2016-05-04 | 广东美的制冷设备有限公司 | Indoor unit of air conditioner |
| CN106322535A (en) * | 2016-09-20 | 2017-01-11 | Tcl空调器(中山)有限公司 | Indoor unit of air conditioner and air conditioner |
| CN106427474A (en) * | 2016-11-09 | 2017-02-22 | 珠海格力电器股份有限公司 | Passenger vehicle and vehicle-mounted air conditioner thereof |
| CN107166496A (en) * | 2017-06-30 | 2017-09-15 | 广东美的环境电器制造有限公司 | Ducting assembly and warm-air drier |
| CN107477677A (en) * | 2017-08-25 | 2017-12-15 | 重庆凌达压缩机有限公司 | A kind of indoor apparatus of air conditioner and air conditioner |
| CN107490064A (en) * | 2017-08-25 | 2017-12-19 | 重庆凌达压缩机有限公司 | Indoor set and air-conditioning system |
| CN108488936A (en) * | 2018-03-05 | 2018-09-04 | 广东美的制冷设备有限公司 | Window air conditioner |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201448947U (en) * | 2009-07-30 | 2010-05-05 | 广东美的电器股份有限公司 | Indoor unit of split air-conditioner |
| CN201982367U (en) * | 2011-04-15 | 2011-09-21 | 珠海格力电器股份有限公司 | Cross-flow fan and air conditioner with same |
| CN202140322U (en) * | 2011-07-26 | 2012-02-08 | 珠海格力电器股份有限公司 | Tubular fan |
| CN202561911U (en) * | 2012-05-18 | 2012-11-28 | 珠海格力电器股份有限公司 | Air conditioner indoor unit |
-
2012
- 2012-05-18 CN CN2012101574517A patent/CN102644974A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201448947U (en) * | 2009-07-30 | 2010-05-05 | 广东美的电器股份有限公司 | Indoor unit of split air-conditioner |
| CN201982367U (en) * | 2011-04-15 | 2011-09-21 | 珠海格力电器股份有限公司 | Cross-flow fan and air conditioner with same |
| CN202140322U (en) * | 2011-07-26 | 2012-02-08 | 珠海格力电器股份有限公司 | Tubular fan |
| CN202561911U (en) * | 2012-05-18 | 2012-11-28 | 珠海格力电器股份有限公司 | Air conditioner indoor unit |
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|---|---|---|---|---|
| CN104566625B (en) * | 2013-10-09 | 2018-04-17 | 珠海格力电器股份有限公司 | Air pipe indoor machine |
| CN104566625A (en) * | 2013-10-09 | 2015-04-29 | 珠海格力电器股份有限公司 | Air pipe indoor unit |
| CN105299753A (en) * | 2015-09-02 | 2016-02-03 | 青岛海尔空调器有限总公司 | Split-type air conditioner |
| CN105546650A (en) * | 2016-01-26 | 2016-05-04 | 广东美的制冷设备有限公司 | Indoor unit of air conditioner |
| CN105546650B (en) * | 2016-01-26 | 2018-04-17 | 广东美的制冷设备有限公司 | A kind of air conditioner room unit |
| CN106322535A (en) * | 2016-09-20 | 2017-01-11 | Tcl空调器(中山)有限公司 | Indoor unit of air conditioner and air conditioner |
| CN106427474A (en) * | 2016-11-09 | 2017-02-22 | 珠海格力电器股份有限公司 | Passenger vehicle and vehicle-mounted air conditioner thereof |
| CN107166496A (en) * | 2017-06-30 | 2017-09-15 | 广东美的环境电器制造有限公司 | Ducting assembly and warm-air drier |
| WO2019001114A1 (en) * | 2017-06-30 | 2019-01-03 | 广东美的环境电器制造有限公司 | Air channel assembly and warm air blower |
| EP3623707A4 (en) * | 2017-06-30 | 2020-04-15 | GD Midea Environment Appliances MFG Co., Ltd. | Air channel assembly and warm air blower |
| US11174871B2 (en) | 2017-06-30 | 2021-11-16 | Gd Midea Environment Appliances Mfg Co., Ltd. | Air duct assemblys, and fan heaters |
| CN107490064A (en) * | 2017-08-25 | 2017-12-19 | 重庆凌达压缩机有限公司 | Indoor set and air-conditioning system |
| CN107477677A (en) * | 2017-08-25 | 2017-12-15 | 重庆凌达压缩机有限公司 | A kind of indoor apparatus of air conditioner and air conditioner |
| CN107477677B (en) * | 2017-08-25 | 2023-06-06 | 重庆凌达压缩机有限公司 | Air conditioner indoor unit and air conditioner |
| CN108488936A (en) * | 2018-03-05 | 2018-09-04 | 广东美的制冷设备有限公司 | Window air conditioner |
| CN108488936B (en) * | 2018-03-05 | 2020-07-28 | 广东美的制冷设备有限公司 | Window type air conditioner |
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Application publication date: 20120822 |