CN103900231A - Air-conditioner - Google Patents
Air-conditioner Download PDFInfo
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- CN103900231A CN103900231A CN201210575899.0A CN201210575899A CN103900231A CN 103900231 A CN103900231 A CN 103900231A CN 201210575899 A CN201210575899 A CN 201210575899A CN 103900231 A CN103900231 A CN 103900231A
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- swinging mounting
- conditioner
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Abstract
The invention provides an air-conditioner. The air-conditioner comprises a shell body. The shell body is provided with an air inlet and an air outlet extending along the longitudinal direction. The air-conditioner further comprises a rotating support, an air guiding device, a closing panel and a first drive device, wherein the rotating support is arranged in the shell body in a pivotal rotating mode, the pivotal rotating axis of the rotating support extends longitudinally, the rotating support is provided with a first position and a second position, and the air guiding device and the closing panel are both arranged on the rotating support. When the rotating support is located in the first position, the position of the air guiding device corresponds to the air outlet to guide air of the air-conditioner, and the position of the closed panel is far away from the air outlet. When the rotating support is located in the second position, the position of the air guiding device is far away from the air outlet, and the position of the closed panel corresponds to the air outlet. The first drive device is arranged on the rotating support and is connected with the closed panel in a driving mode. When the rotating support is located in the second position, the closed panel is driven by the first drive device to extend outward and block the air outlet. The air-conditioner is capable of enabling the air outlet to be blocked completely.
Description
Technical field
The present invention relates to air-conditioning technical field, in particular to a kind of air-conditioner.
Background technology
At present, cross flow fan mainly comprises impeller, is arranged on the air channel of impeller surface and the motor that drives impeller is rotated along impeller length direction.For the floor air conditioner that adopts cross flow fan system, closure panel is arranged on the inside of air-conditioner, and after air-conditioner shutdown, being combined in gap at the edge of closure panel with the marginal existence of air outlet, causes air outlet to seal completely, easily enter the impurity such as dust.
Summary of the invention
The present invention aims to provide a kind of air outlet can complete totally enclosed air-conditioner.
To achieve these goals, according to an aspect of the present invention, a kind of air-conditioner is provided, comprise: housing, the air outlet that housing has air inlet and extends longitudinally, air-conditioner also comprises: swinging mounting, is arranged in housing pivotly, the pivot axis of swinging mounting extends longitudinally, and swinging mounting has primary importance and the second place; Air ducting and closure panel, all be arranged on swinging mounting, when swinging mounting is positioned at primary importance, the position of air ducting corresponding to air outlet to carry out the wind-guiding of air-conditioner, the position of closure panel is away from air outlet, when swinging mounting is positioned at the second place, the position of air ducting is away from air outlet, and the position of closure panel is corresponding to air outlet; The first drive unit, be arranged on swinging mounting and with closure panel and drive and be connected, when swinging mounting is positioned at the second place, closure panel is protruding and shutoff air outlet under the driving of the first drive unit, and the edge of closure panel and the edge of air outlet are fitted.
Further, the first drive unit comprises: the first motor, be arranged on swinging mounting, and on the output shaft of the first motor, be coaxially installed with the first gear; Tooth bar, engages with the first gear, and tooth bar is fixedly connected with closure panel, and tooth bar moves back and forth to drive the protruding or inside retraction of closure panel under the driving of the first gear.
Further, the inwall of closure panel is provided with installation protuberance; The first drive unit also comprises the slide block being slidably disposed on swinging mounting, and tooth bar is arranged on slide block, protuberance is installed and is connected with slide block.
Further, tooth bar is arranged on the roof of slide block; The first drive unit also comprises the guider for guide runner, and guider is fixedly installed on swinging mounting.
Further, the two ends of swinging mounting are provided with end cap, and end cap is provided with vertically outward extending back shaft; Air-conditioner also comprises: fixed support, is fixedly installed in housing stent support that back shaft passes fixed support so that swinging mounting is fixed.
Further, fixed support also comprises: fixed support body, and fixed support body is provided with two clutch shaft bearing accommodation sections; Two bearing caps, are all connected on fixed support body, and each bearing cap has the second bearing accommodation section, and clutch shaft bearing accommodation section coordinates to form bearing installing space correspondingly with the second bearing accommodation section; Air-conditioner also comprises: bearing, be arranged in bearing installing space, and back shaft is located in bearing.
Further, also comprise the second drive unit, the second drive unit comprises: the second motor, be arranged on fixed support body, and on the output shaft of the second motor, be coaxially installed with the second gear; The 3rd gear, arranges and synchronizes rotation with a back shaft in two back shafts is coaxial, and the 3rd gear engages with the second gear.
Further, the two ends of swinging mounting have end wall, and the first drive unit is two, and two the first drive units are separately positioned on two end walls of swinging mounting, and end cap is connected on end wall and has the container cavity that holds the first drive unit.
Further, air-conditioner of the present invention also comprises: controller, and the first motor and the second motor are all electrically connected with controller; Microswitch, is arranged on fixed support body, and microswitch comprises: the first microswitch and the second microswitch, and the first microswitch and the second microswitch are all electrically connected with controller; Contact site; be arranged on end cap; contact site coordinates with the first microswitch or the second microswitch; wherein; when contact site contacts with the first microswitch; controller sends the first control signal and makes swinging mounting be positioned at the second place to control the first electric motor starting to control the second motor stopping simultaneously, and when contact site contacts with the second microswitch, controller sends the second control signal makes swinging mounting in primary importance to control the second motor stopping.
Further, closure panel is sandwich construction.
Further, closure panel comprises the moulding, opaque member and the transparent member that set gradually from inside to outside, and opaque member is provided with projection towards a side of transparent member, and LED lamp is installed between moulding and opaque member.
Apply technical scheme of the present invention, air ducting and closure panel are arranged on swinging mounting and with it and rotate in housing.Swinging mounting has primary importance and the second place to realize the air-out of air-conditioner and the sealing of air outlet.Particularly, when swinging mounting is positioned at primary importance, the position of air ducting corresponding to air outlet to carry out the wind-guiding of air-conditioner, the position of closure panel is away from air outlet, when swinging mounting is positioned at the second place, the position of air ducting is away from air outlet, and the position of closure panel is corresponding to air outlet.Now, closure panel and form between the parts in air port and have certain gap, the first drive unit can drive the protruding and shutoff air outlet of closure panel.Under the driving of the first drive unit, closure panel will fit tightly air outlet can be sealed completely with the parts that form air port, like this, and the not only attractive in appearance but also inside that can reduce dust or small worm etc. and enter air-conditioner.
Brief description of the drawings
The Figure of description that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows according to the structural representation of the embodiment of air-conditioner of the present invention;
Fig. 2 shows the internal structure decomposing schematic representation of the air-conditioner of Fig. 1;
Fig. 3 shows the A place enlarged diagram of the air-conditioner of Fig. 2;
Fig. 4 shows the longitudinal profile schematic diagram of the air-conditioner of Fig. 1;
Fig. 5 shows the B place enlarged diagram of the air-conditioner of Fig. 4;
Fig. 6 shows the C-C of air-conditioner of Fig. 4 to generalized section; And
Fig. 7 a to Fig. 7 c show Fig. 1 air-conditioner be fully closed to from air outlet the process schematic diagram that air outlet is opened completely.
Detailed description of the invention
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
As shown in Figures 1 to 4, the air-conditioner of the present embodiment comprises housing 10, swinging mounting 20, air ducting 30, closure panel 40 and the first drive unit 50.The air outlet 11 that housing 10 has air inlet and extends longitudinally.As shown in Figure 3 and Figure 4, swinging mounting 20 is arranged in housing 10 pivotly, and the pivot axis of swinging mounting 20 extends longitudinally, and air ducting 30 and closure panel 40 are all arranged on swinging mounting 20, and air ducting 30 is preferably cell structure.Above-mentioned swinging mounting 20 can rotate and have primary importance and the second place, when swinging mounting 20 is positioned at primary importance, the position of air ducting 30 corresponding to air outlet 11 to carry out the wind-guiding of air-conditioner, the position of closure panel 40 is away from air outlet 11, when swinging mounting 20 is positioned at the second place, the position of air ducting 30 is away from air outlet 11, and the position of closure panel 40 is corresponding to air outlet 11.The first drive unit 50, be arranged on swinging mounting 20 and with closure panel 40 and drive and be connected, when swinging mounting 20 is positioned at the second place, closure panel 40 is protruding and shutoff air outlet 11 under the driving of the first drive unit, and the edge of closure panel 40 and the edge of air outlet 11 are fitted.
Air ducting 30 and closure panel 40 are arranged on swinging mounting 20 and with it in the interior rotation of housing 10.Swinging mounting 20 has primary importance and the second place to realize the air-out of air-conditioner and the sealing of air outlet 11.Particularly, when swinging mounting 20 is positioned at primary importance, the position of air ducting 30 corresponding to air outlet 11 to carry out the wind-guiding of air-conditioner, the position of closure panel 40 is away from air outlet 11, when swinging mounting 20 is positioned at the second place, the position of air ducting 30 is away from air outlet 11, and the position of closure panel 40 is corresponding to air outlet 11.Now, closure panel 40 and form between the parts in air port 11 and have certain gap, the first drive unit 50 can drive the protruding and shutoff air outlet 11 of closure panel 40.Under the driving of the first drive unit 50, closure panel 40 will fit tightly air outlet 11 can be sealed completely with the parts that form air port 11, like this, and the not only attractive in appearance but also inside that can reduce dust or small worm etc. and enter air-conditioner.
Startup and the closing process of the air-conditioner below in conjunction with Fig. 7 a to Fig. 7 c to the present embodiment are elaborated.
As shown in Figure 7a, when the shutdown of the air-conditioner of this enforcement, closure panel 40 is completely closed with the parts that form air port 11, that is to say closure panel 40 and form between the parts in air port 11 and fit tightly and there is no gap.As shown in Figure 7b, while starting air-conditioner, the first drive unit 50 drives closure panel 40 inwardly to shrink and away from the parts that form air port 11, swinging mounting 20 turns to primary importance, drive be arranged on air ducting 30 on swinging mounting 20 corresponding to air outlet 11 to carry out the wind-guiding of air-conditioner, now, closure panel 40, away from air outlet 11, forms the state of air-conditioner as shown in Figure 7 c.Need to close air-conditioner time, swinging mounting 20 turns to the second place (as shown in Figure 7b) from primary importance, drive is arranged on closure panel 40 on swinging mounting 20 corresponding to air outlet 11, now, be arranged on air ducting 30 on swinging mounting 20 away from air outlet 11, the first drive unit 50 being arranged on swinging mounting 20 starts, and drives the protruding and shutoff air outlet 11(of closure panel 40 as shown in Figure 7 c).
As shown in Figures 3 to 5, in the present embodiment, the first drive unit 50 comprises: the first motor 51, the first gear 51a and tooth bar 52.The first motor 51 is arranged on swinging mounting 20, is coaxially installed with the first gear 51a on the output shaft of the first motor 51, and the output shaft rotation of the first motor 51 can drive the first gear 51a to rotate.Tooth bar 52 engages with the first gear 51a and is driven by the first gear 51a, and one end of tooth bar 52 is connected with closure panel 40, and tooth bar 52 moves back and forth protruding with drive closure panel 40 or inwardly bounces back under the driving of the first gear 51a.
The first drive unit 50 can be arranged on the optional position of swinging mounting 20, can be connected with swinging mounting 20 by installing rack, in the present embodiment, as shown in Figure 3, the two ends of swinging mounting 20 have end wall, the first drive unit 50 is two, and two the first drive units 50 are separately positioned on two end walls of swinging mounting 20.
As shown in Figure 3, the inwall of closure panel 40 is provided with protuberance 40a is installed.The first drive unit also comprises the slide block 53 being slidably disposed on swinging mounting 20, and tooth bar 52 is arranged on slide block 53, protuberance 40a is installed and inserts in slide block 53 and be connected with slide block 53.Preferably, the screwed hole that is provided with position adaptation on protuberance 40a and slide block 53 is installed, is inserted after slide block 53 when protuberance 40a is installed, can they be connected by screw, or slide block 53 and installation protuberance 40a are connected together.By tooth bar 52 is arranged on slide block 53, can force the intensity of tooth bar 52, simultaneously above-mentioned slide block 53 is convenient to being connected of the guiding of tooth bar 52 and tooth bar 52 and closure panel 40.
As shown in Figure 3, tooth bar 52 can be arranged on the roof or sidewall of slide block 53, and for the ease of the guiding of slide block 53, in the present embodiment, tooth bar 52 is arranged on the roof of slide block 53.The first drive unit 50 also comprises the guider 54 for guide runner 53, and guider 54 is fixedly installed on swinging mounting 20.Preferably, guider 54 is for having the rectangular block of the guide channel extending along tooth bar 52 directions of motion, slide block 53 is slidably disposed in guide channel, in order to reduce the frictional force of slide block 53 in the time that guide channel moves, guide channel can be provided with the gib block extending along tooth bar 52 directions of motion.
Realizing the mode that swinging mounting 20 is arranged in housing 10 pivotly has multiple, in the present embodiment, as shown in Figure 3 and Figure 5, the two ends of swinging mounting 20 are provided with end cap 21, end cap 21 is connected on end wall and has the container cavity that holds the first drive unit, and end cap 21 is provided with vertically outward extending back shaft 21a.The air-conditioner of the present embodiment also comprises fixed support 60, and fixed support 60 is fixedly installed in housing 10, and back shaft 1a passes described fixed support 60 so that described swinging mounting 20 is supported by described fixed support 60.Like this, swinging mounting 20 supports by fixed support 60, and free to rotate.Now, swinging mounting 20 can not move with radial direction vertically, has increased the stability of swinging mounting 20.
Preferably, in order to reduce the frictional force of back shaft 21a in the time rotating, the air-conditioner of the present embodiment also comprises bearing 70, and bearing 70 is set on back shaft 21a.The mode of rigid bearing 70 is a lot, and in the present embodiment, fixed support 60 also comprises fixed support body 61 and two bearing caps 62, and described fixed support body 61 is provided with two clutch shaft bearing accommodation section 61a.Two bearing caps 62 are all connected on described fixed support body 61, each described bearing cap 62 has the second bearing accommodation section 62a, described clutch shaft bearing accommodation section 61a coordinates to form bearing installing space correspondingly with described the second bearing accommodation section 62a, and bearing 70 is arranged in bearing installing space.
As shown in Figure 3 and Figure 5, the air-conditioner of the present embodiment also comprises that the second drive unit 80, the second drive units 80 comprise the second motor 81 and the 3rd gear 82.The second motor 81 is arranged on fixed support, is coaxially installed with the second gear 81a on the output shaft of the second motor 81.The 3rd gear 82 and a back shaft 21a in two back shaft 21a be coaxial to be arranged and synchronizes rotation, and the 3rd gear 82 engages with the second gear 81a.By the second gear 81a and the 3rd gear 82 engaged transmission, the stability of the kind of drive is better like this, and transmission is more timely.Certain the second drive unit 80 can be one, can be also two, arranges as required.
As shown in Fig. 3 and Fig. 6 (not shown controller), the air-conditioner of the present embodiment also comprises that controller, the first microswitch 91 and the second microswitch 92, the first motors 51 and the second motor 81 are all electrically connected with controller.The first microswitch 91 and the second microswitch 92 are all arranged on fixed support body 61, and the first microswitch 91 and the second microswitch 92 are all electrically connected with controller.On the end cap 21 of the air-conditioner of the present embodiment, be provided with the contact site 21b coordinating with the first microswitch 91 or the second microswitch 92, contact site 21b is preferably projection.
Open after air-conditioner, the first motor 51 starts, make closure panel 40 retreat into the position shown in Fig. 7 b from the position of Fig. 7 a, then the first motor 51 stops, the second motor 81 starts, drive swinging mounting 20(together with air ducting 30, closure panel 40) rotate clockwise, contact site 21b starts to separate with the first microswitch 91, until contact site 21b is while contacting with the second microswitch 92, be that swinging mounting 20 is in primary importance, controller sends the second control signal stops the second motor 81, now air ducting 30 is just in time aimed at air outlet 11(as shown in Figure 7 c), air-conditioner brings into operation.
Close after air-conditioner, the second motor 81 starts, drive swinging mounting 20 (together with air ducting 30, closure panel 40) counterclockwise to rotate, contact site 21b separates with the second microswitch 92, by the time contact site 21b contacts with the first microswitch 91, now panel 40 is just to air outlet 11, be that swinging mounting 20 is in the second place, controller sends the first control signal stops operating the second motor 81, make the first motor 51 start to start simultaneously, panel 40 is released, completely closed to panel 40 and air outlet 11.Complete a complete cycle.The Position Control that is arranged so that swinging mounting 20 of the first microswitch 91 and the second microswitch 92 is more accurate, and the first microswitch 91 can make panel 40 release by controller control the first motor 51.
As 2 and Fig. 3 as shown in, closure panel 40 is sandwich construction.Preferably, closure panel 40 comprises the moulding, opaque member and the transparent member that set gradually from inside to outside, opaque member is provided with projection towards a side of transparent member, forms ornament, can be between moulding and opaque member mounted LED lamp to increase lighting effects.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (11)
1. an air-conditioner, comprising: housing (10), and the air outlet (11) that described housing (10) has air inlet and extends longitudinally, is characterized in that, described air-conditioner also comprises:
Swinging mounting (20), is arranged in described housing (10) pivotly, and the pivot axis of described swinging mounting (20) extends longitudinally, and described swinging mounting (20) has primary importance and the second place;
Air ducting (30) and closure panel (40), all be arranged on described swinging mounting (20), when described swinging mounting (20) is positioned at described primary importance, the position of described air ducting (30) corresponding to described air outlet (11) to carry out the wind-guiding of described air-conditioner, the position of described closure panel (40) is away from described air outlet (11), when described swinging mounting (20) is positioned at the described second place, the position of described air ducting (30) is away from described air outlet (11), and the position of described closure panel (40) is corresponding to described air outlet (11);
The first drive unit (50), being arranged on described swinging mounting (20) above and with described closure panel (40) drives and is connected, when described swinging mounting (20) is positioned at the described second place, described closure panel (40) air outlet (11) described in protruding and shutoff under the driving of described the first drive unit, fits the edge of described closure panel (40) and the edge of described air outlet (11).
2. air-conditioner according to claim 1, is characterized in that, described the first drive unit (50) comprising:
The first motor (51), is arranged on described swinging mounting (20) upper, is coaxially installed with the first gear (51a) on the output shaft of described the first motor (51);
Tooth bar (52), engage with described the first gear (51a), and described tooth bar (52) is fixedly connected with described closure panel (40), described tooth bar (52) under the driving of described the first gear (51a), move back and forth with drive described closure panel (40) protruding or inwardly retraction.
3. air-conditioner according to claim 2, is characterized in that,
The inwall of described closure panel (40) is provided with installs protuberance (40a);
Described the first drive unit (50) also comprises the slide block (53) being slidably disposed on described swinging mounting (20), and it is upper that described tooth bar (52) is arranged on described slide block (53), and described installation protuberance (40a) is connected with described slide block (53).
4. air-conditioner according to claim 3, is characterized in that,
Described tooth bar (52) is arranged on the roof of described slide block (53);
Described the first drive unit also comprises the guider (54) for described slide block (53) of leading, and described guider (54) is fixedly installed on described swinging mounting (20).
5. air-conditioner according to claim 2, is characterized in that,
The two ends of described swinging mounting (20) are provided with end cap (21), and described end cap (21) is provided with vertically outward extending back shaft (21a);
Described air-conditioner also comprises:
Fixed support (60), is fixedly installed in described housing (10), and described back shaft (21a) passes described fixed support (60) so that described swinging mounting (20) is supported by described fixed support (60).
6. air-conditioner according to claim 5, is characterized in that, described fixed support (60) also comprises:
Fixed support body (61), described fixed support body (61) is provided with two clutch shaft bearing accommodation sections (61a);
Two bearing caps (62), all be connected on described fixed support body (61), each described bearing cap (62) has the second bearing accommodation section (62a), and described clutch shaft bearing accommodation section (61a) coordinates to form bearing installing space correspondingly with described the second bearing accommodation section (62a);
Described air-conditioner also comprises:
Bearing (70), is arranged in described bearing installing space, and described back shaft (21a) is located in described bearing (70).
7. air-conditioner according to claim 6, is characterized in that, also comprises the second drive unit (80), and described the second drive unit (80) comprising:
The second motor (81), is arranged on described fixed support body (61) upper, is coaxially installed with the second gear (81a) on the output shaft of described the second motor (81);
The 3rd gear (82), arranges and synchronizes rotation with a back shaft (21a) in two described back shafts (21a) is coaxial, and described the 3rd gear (82) engages with described the second gear (81a).
8. air-conditioner according to claim 5, it is characterized in that, the two ends of described swinging mounting (20) have end wall, described the first drive unit (50) is two, two described the first drive units (50) are separately positioned on two end walls of described swinging mounting (20), and described end cap (21) is connected on described end wall and has the container cavity that holds described the first drive unit (50).
9. air-conditioner according to claim 7, is characterized in that, also comprises:
Controller, described the first motor (51) and the second motor (81) are all electrically connected with described controller;
Microswitch (90), be arranged on described fixed support body (61), described microswitch (90) comprising: the first microswitch (91) and the second microswitch (92), and described the first microswitch (91) and described the second microswitch (92) are all electrically connected with described controller;
Contact site (21b), is arranged on described end cap (21) upper, and described contact site (21b) coordinates with described the first microswitch (91) or the second microswitch (92),
Wherein, when described contact site (21b) contacts with described the first microswitch (91); described controller send the first control signal with control described the second motor (81) shut down make described swinging mounting (20) be positioned at the described second place control simultaneously described the first motor (51) start; when described contact site (21b) contacts with described the second microswitch (92), described controller sends the second control signal makes described swinging mounting (20) in described primary importance to control described the second motor (81) shutdown.
10. according to the air-conditioner described in any one in claim 1 to 9, it is characterized in that, described closure panel (40) is sandwich construction.
11. air-conditioners according to claim 10, it is characterized in that, described closure panel (40) comprises the moulding, opaque member and the transparent member that set gradually from inside to outside, described opaque member is provided with projection towards a side of described transparent member, between described moulding and described opaque member, LED lamp is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210575899.0A CN103900231B (en) | 2012-12-26 | 2012-12-26 | Air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210575899.0A CN103900231B (en) | 2012-12-26 | 2012-12-26 | Air-conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN103900231A true CN103900231A (en) | 2014-07-02 |
| CN103900231B CN103900231B (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210575899.0A Active CN103900231B (en) | 2012-12-26 | 2012-12-26 | Air-conditioner |
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| Country | Link |
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| CN (1) | CN103900231B (en) |
Cited By (5)
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| CN104764181A (en) * | 2015-03-19 | 2015-07-08 | 珠海格力电器股份有限公司 | Air conditioner |
| CN105066246A (en) * | 2015-07-31 | 2015-11-18 | 芜湖美智空调设备有限公司 | Cross flow air conditioner cabinet |
| CN105180397A (en) * | 2015-08-07 | 2015-12-23 | 美的集团武汉制冷设备有限公司 | Movable door device and indoor air-conditioner |
| CN106352521A (en) * | 2016-09-18 | 2017-01-25 | 珠海格力电器股份有限公司 | Air conditioner air guide device provided with moving parts, control method and air conditioner |
| WO2019019392A1 (en) * | 2017-07-27 | 2019-01-31 | 广东美的制冷设备有限公司 | Air duct assembly, air-conditioner, and control method and control system for air outlet position |
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| CN106352521A (en) * | 2016-09-18 | 2017-01-25 | 珠海格力电器股份有限公司 | Air conditioner air guide device provided with moving parts, control method and air conditioner |
| WO2019019392A1 (en) * | 2017-07-27 | 2019-01-31 | 广东美的制冷设备有限公司 | Air duct assembly, air-conditioner, and control method and control system for air outlet position |
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| CN103900231B (en) | 2016-06-08 |
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