CN1840976A - Air conditioner - Google Patents
Air conditioner Download PDFInfo
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- CN1840976A CN1840976A CN 200510059815 CN200510059815A CN1840976A CN 1840976 A CN1840976 A CN 1840976A CN 200510059815 CN200510059815 CN 200510059815 CN 200510059815 A CN200510059815 A CN 200510059815A CN 1840976 A CN1840976 A CN 1840976A
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- wind direction
- direction board
- air conditioner
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Abstract
The invention discloses an air-conditioner,which comprises the following parts: Through-flow fan under the heat exchanger, wind direction board group, wind direction board connecting component and wind direction board support device to fix the wind direction, wherein at least one block of wind direction board of wind direction board group displays non-paralleling condition, which can rotate along with the other wind direction boards. The structure can make air turbulent flow, which lessens condensation trouble.
Description
Technical field
The present invention relates to a kind of air conditioner, relate in particular to a kind of the manufacturing and simply also can alleviate near the dewfall situation of air conditioner air outlet, and the air conditioner that the air-flow that spues is spread on bigger scope.
Background technology
The wind direction regulating device of existing air conditioner has following structure: be provided with a plurality of wind direction boards according to a determining deviation in the air outlet of air conditioner, above-mentioned wind direction board guiding is by the discharge direction of the air of air outlet discharge, and each wind direction board is connected by connecting rod respectively, make each wind direction board be parallel relation each other, but and one be rotated.
Above-mentioned wind direction regulating device can be to distinguish independently parts with this wind direction board, also can be the parts that above-mentioned wind direction board and connecting rod are configured as one.
In order to regulate from the direction of the air of air conditioner air outlet discharge, the a plurality of wind direction boards that are parallel relation each other that connected by connecting rod are rotated round the rotating shaft that is fixed on the air outlet, because the wind direction board that is connected by identical connecting rod is parallel relation each other, so the anglec of rotation of these wind direction boards is all identical.
In order to alleviate the dewfall situation, perhaps enlarge blowing range, existing technology is the connection distance that changes between the different connecting rods of air conditioner, make each wind direction board system that connects by different connecting rods each other towards changing.As publication number is that CN1180818A Chinese patent and publication number are the special Japan Patent of opening 2000-227247.
There is following shortcoming in above-mentioned prior art:
1, because the wind direction board of air conditioner blow-off outlet is the parastate setting, when cooled air through blow-off outlet the time, make the temperature of the wind direction board linkage part that is arranged on air outlet etc. be cooled near the air themperature of process.Because the deflecting action of wind direction board, two more inaccessible zones of air-flow have appearred at air-flow that straight line blows out with between by the air-flow of wind direction board deflection, in these two zones and since the air-flow that is cooled difficulty reach, so the temperature of air is higher herein.The lee face of central authorities' wind direction board links to each other with this zone, luvisde is then cooled off by cooling blast, because heat conducting effect, make this regional interior part that is in of attaching parts and air outlet etc., the lee face of central authorities' wind direction board temperature reduce, be lower than the air themperature in this zone, under the operating mode of high humidity, partly have dewfall like this at above-mentioned zone.
2, required part is many.Realize the purpose of wind direction board, just must be equipped with a plurality of wind direction board systems that form by connecting rod and wind direction board towards a plurality of directions.
3, part complexity.Change the distance between each wind direction board connecting rod, just must on connecting rod, be provided for the device of adjustable range, as slip joint etc.
4, complexity is installed.Except needs are connected to a plurality of wind direction boards the connecting rod, also must the device of different connecting rods by adjustable range be coupled together as slip joint etc.
5, restricted application.only need to change the part wind direction board towards situation under, this method just is difficult to implement.
6, at big region memory the sinuous flow of air is being arranged.
Summary of the invention
The present invention provides a kind of simple structure that has in order to overcome the deficiency of above-mentioned prior art, and is easy for installation, and can alleviate near the dewfall situation the air conditioner air outlet, the air conditioner that the air-flow that spues is spread in a wider context.
The technical solution used in the present invention is: a kind of air conditioner comprises: be arranged on the heat exchanger air side of flowing down axial-flow fan, be positioned at air conditioner exhaust outlet place and can regulate the wind direction board group of exhaust outlet place air blow-off direction, the wind direction board attaching parts that are used to regulate described wind direction board group rotational angle, with the wind direction board supporting arrangement that is used for fixing wind direction board, it is characterized in that: at least one wind direction board in the described wind direction board group and this are organized other wind direction board and are non-parallel state setting, and can rotate with other wind direction board.
Further, the wind direction board attaching parts are separate two parts, the central exhaust outlet place of the end adjacent to each other of two wind direction board attaching parts be provided with these part wind direction attaching parts on other wind direction board be the wind direction board of non-parallel state.
Further, all be non-parallel state setting between each wind direction board group.
Further, wind direction board attaching parts and/or described wind direction board are made by elastomeric material.
Further, air conditioner comprises at least one or a plurality of independent subsystem of being made up of described wind direction board, wind direction board attaching parts and described wind direction board supporting structure each other, in one or more subsystems, have at least a wind direction board and other wind direction board to be non-parallel state setting, and can rotate with other wind direction board.
Further, has the syndeton that is rotationally connected with each wind direction board on the wind direction board attaching parts, have at least an interval that forms by adjacent syndeton to be different from the interval that other adjacent syndeton forms, so that this syndeton connects the wind direction board that is non-parallel state setting and can realize interlock.
Further, the shape of at least one described syndeton is different from the shape of other syndeton, so that this syndeton connects the wind direction board that is non-parallel state setting and can realize interlock.
Further, at least one connecting portion be shaped as Long Circle, other syndeton be shaped as circle so that the syndeton of described Long Circle setting connects the wind direction board that is non-parallel state setting and can realize interlock
Further, has the fixedly fixed structure of wind direction board on the wind direction board supporting arrangement, wherein the interval of at least one adjacent fixed structure formation is different from the interval that other adjacent fixed structure forms, so that this fixed structure fixedly is the wind direction board of non-parallel state setting and can realizes interlock.
Further, wherein the shape of at least one fixed structure is different from the shape of other fixed structure, so that this fixed structure fixedly is the wind direction board of non-parallel state setting and can realizes interlock.
Further, described at least one fixed structure be shaped as Long Circle, other fixed structure be shaped as circle so that the fixed structure of described Long Circle setting fixedly is the wind direction board of non-parallel state setting and can realizes interlock
Adopt technical scheme of the present invention, because several rotatable being fixed on the air outlet, be connected the wind direction board group on the connecting rod, be non-parallel relation between the one or a few blocks each other, like this, in the middle of adjacent two separate subsystems that connect by different connecting rods, the deflection angle of the immediate one or a few blocks wind direction board of each subsystem and adjacent subsystems is less than the deflection angle of integral body, the original serious Region Segmentation of concentrating of bigger dewfall is become several less zones, can alleviate each regional dewfall situation like this, thereby alleviate air conditioner dewfall situation on the whole.
In addition, the deflection angle of one or a few blocks wind direction board that is in the edge in whole system so just can make air-flow spread on the scope greater than the wind direction board deflection angle, thereby improve the air-supply effect greater than the deflection angle of integral body.
The required part of this scheme is few, only needs a jockey just can realize the non-parallel setting of wind direction board.And simple structure, easy for installation, only need to change the part wind direction board towards situation under also can smooth implementation.
Description of drawings
Fig. 1 is the overall schematic of air conditioner of the present invention;
Fig. 2 is the cross-section structure of air conditioner of the present invention;
Fig. 3 is the three-dimensional exploded view of the wind direction regulating device of first embodiment of the invention;
Fig. 4 is the structure chart and the wind direction board deflection schematic diagram of the wind direction regulating device of first embodiment of the invention;
Fig. 5 is the structure chart of the wind direction board attaching parts of first embodiment of the invention;
Fig. 6 is the structure chart of the wind direction board supporting arrangement of first embodiment of the invention;
Fig. 7 is the wind direction board structure chart of first embodiment of the invention;
Fig. 8 is the structure chart and the wind direction board deflection schematic diagram of the wind direction regulating device of second embodiment of the invention;
Fig. 9 is the structure chart of the wind direction board attaching parts of second embodiment of the invention;
Figure 10 is the structure chart and the wind direction board deflection schematic diagram of the wind direction regulating device of third embodiment of the invention;
Figure 11 is the structure chart of the wind direction board supporting arrangement of third embodiment of the invention;
Figure 12 is the structure chart and the wind direction board deflection schematic diagram of the wind direction regulating device of fourth embodiment of the invention;
Figure 13 is the structure chart of the wind direction board attaching parts of fourth embodiment of the invention;
Figure 14 is the structure chart and the wind direction board deflection schematic diagram of the wind direction regulating device of fifth embodiment of the invention;
Figure 15 is the structure chart of the wind direction board attaching parts of fifth embodiment of the invention;
Figure 16 is the structure chart and the wind direction board deflection schematic diagram of the wind direction regulating device of sixth embodiment of the invention;
Figure 17 is the wind direction board attaching parts of sixth embodiment of the invention and the structure chart of wind direction board supporting arrangement.
The specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing and specific embodiment.
As shown in Figure 1, air conditioner of the present invention has the wind direction regulating device 2 that is arranged on air outlet 1 place.
As shown in Figure 2, the wind direction regulating device of air conditioner of the present invention is made of a plurality of wind direction boards 3, wind direction board attaching parts 4 and wind direction board supporting arrangement 5.
Shown in Fig. 3,5,6 and 7, wind direction board 3 comprises the wind direction board 3a that is the parastate setting mutually and is the wind direction board 3b that non-parallel state is provided with wind direction board 3a, wind direction board 3 has fixed structure 7 and syndeton 9, wind direction board attaching parts 4 have syndeton 8 and (comprise 8a, 8b), and be separate two parts, wind direction board supporting arrangement 5 has fixed structure 6.
(wherein 3a inserts among the 8a wind direction board 3 by the syndeton 8 with syndeton 9 insertion wind direction board attaching parts 4,3b inserts among the 8b), each wind direction board and wind direction board attaching parts are linked together, form an interlinked mechanism, gearing by the wind direction board attaching parts, when the angle of a wind direction board changed, other wind direction board also can change thereupon.
The syndeton 8a of wind direction board attaching parts 4 and the distance b between the 8b, greater than between other syndeton 8a apart from a, the angle of inserting the wind direction board 3b of syndeton 8b is different from the angle of the wind direction board 3a that inserts 8a.And no matter how the angle of 3a changes, and the angle of 3b is different from 3a all the time.Both wind direction board 3b and wind direction board 3a were non-parallel state setting.Distance b between syndeton 8a and the 8b is that the rotational angle according to the wind direction board 3b that inserts 8b is provided with.
Because the distance b between 8a and the 8b, greater than between the syndeton 8a apart from a, so driven when carrying out unitary rotation by attaching parts at wind direction board, the mobility scale of syndeton 9 of inserting the wind direction board 3b of 8b is greater than the wind direction board 3a that inserts 8a.So syndeton 8b must transform to adapt to this variation.As shown in Figure 5,8b is shaped as Long Circle, is different from the circle of 8a, is driven by attaching parts at wind direction board and carries out in the process of unitary rotation, and the syndeton 9 of wind direction board 3b slides up and down in the Long Circle of 8b.Such structure will be moved by the interlinked mechanism that polylith wind direction board and wind direction board attaching parts constitute smoothly to guarantee this, and the situation of obstruction action generations such as deformation does not take place.The shape of syndeton 8b is that the rotational angle according to the wind direction board 3b that inserts 8b is provided with.
As shown in Figure 4, be symmetry axis with the center line 20 of air conditioner air outlet, be symmetrical arranged another root attaching parts 4 ', so just formed a wind direction regulating device with two wind direction board attaching parts.Deflection angle 15 degree owing to immediate two wind direction board 3b between two wind direction board attaching parts, deflection angle 30 degree less than integral body, so just can alleviate between the two cover subsystems, the air sinuous flow that is caused when opening round about, and the difficult zone of passing through of air-flow obviously diminishes, thereby alleviate the phenomenon of dewfall, simultaneously, entad produced the difficult zone of passing through of air-flow between the face at the adjacent wind direction board of opening with 30 degree angles, but because this regional area is less, so can not cause serious dewfall phenomenon, thereby alleviate the dewfall situation of air conditioner on the whole.
Below in conjunction with Fig. 8 and Fig. 9, the second embodiment of the present invention is described.
As shown in Figure 9, with the syndeton 11b of wind direction board attaching parts and the distance b between the 11a, be arranged to greater than between the syndeton 11a apart from a, with the distance c between syndeton 11c and the 11a, also be arranged to greater than between the syndeton 11a apart from a, and the shape of 11c and 11b is transformed into Long Circle according to the demand that wind direction board rotates.Here it should be noted that: distance b might not equal distance c; The shape of 11b also might not be identical with the shape of 11c, but respectively according to the wind direction board 10b that inserts 11b with insert that the rotational angle of 10c of the wind direction board of 11c is provided with.Like this, the angle of wind direction board 10b is different from wind direction board 10a angle.And no matter how the angle of 10a changes, and the angle of 10b is different from the angle of 10a all the time.Both wind direction board 10b and wind direction board 10a were non-parallel state setting.
As shown in Figure 8, in such one wind direction regulating device with symmetrically arranged two wind direction board attaching parts, not only owing to the deflection angle 15 of immediate two wind direction board 10b between two wind direction board attaching parts is spent, deflection angle 30 degree less than integral body, can alleviate between the two cover subsystems, the air sinuous flow that is caused when opening round about, thereby the generation that alleviates dewfall.And, air-flow is spread on the scope greater than the wind direction board deflection angle, thereby improve the air-supply effect owing to be in deflection angle 30 degree of deflection angle 45 degree of outermost two wind direction board 10c greater than integral body.Like this, this system has just had the double action that alleviates the dewfall situation and enlarge blowing range simultaneously.
Below in conjunction with books 10 and Figure 11, the third embodiment of the present invention is described.
As shown in figure 11, with between the fixed structure 13a of fixture and the 13b apart from d, be arranged to less than between the fixed structure 13a apart from a, and the shape of 13b is arranged to Long Circle according to the demand that wind direction board rotates.The shape apart from d and 13b between fixed structure 13a and the 13b is that the rotational angle according to the wind direction board 12b that inserts 13b is provided with.
Like this, the angle of wind direction board 12b is different from the angle of wind direction board 12a, and no matter how the angle of 12a changes, and the angle of 12b is different from 12a all the time.Both wind direction board 12b and wind direction board 12a were non-parallel state setting.
Undertaken in the process of unitary rotation by the drive of wind direction board attaching parts at wind direction board, the fixed structure of wind direction board 12b slides up and down in the Long Circle of 13b.Such structure can guarantee that also this is moved smoothly by the interlinked mechanism that polylith wind direction board and wind direction board attaching parts constitute, and the situation of obstruction action generations such as deformation does not take place.
As shown in figure 10, be similar to Fig. 4, in such one wind direction regulating device with symmetrically arranged two wind direction board attaching parts, because two deflection angle 15 degree according to immediate two wind direction board 13b between the wind direction board attaching parts, deflection angle 30 degree less than integral body, so just can alleviate between the two cover subsystems air sinuous flow that is caused when opening round about, thereby the generation that alleviates dewfall.
Below in conjunction with Figure 12 and Figure 13, the fourth embodiment of the present invention is described.
Wind direction board and wind direction board attaching parts with the one-time formed wind direction regulating device of same material in, with wind direction board 14a and 14b apart from f be arranged to less than between the wind direction board 14a apart from e, f is that the rotational angle according to wind direction board 14b is provided with.
Like this, the angle of wind direction board 14b is different from the angle of wind direction board 14a.And no matter how the angle of 14a changes, and the angle of 14b is different from 14a all the time, and both wind direction board 14b and wind direction board 14a were non-parallel state setting.
Drive by the wind direction board attaching parts at wind direction board and to carry out in the process of unitary rotation and since wind direction board 14a and 14b apart from f less than between the wind direction board 14a apart from e, so certain deformation can take place attaching parts.But under the distance of f and e differs very not big situation, can't cause very big deformation.And wind direction board attaching parts and wind direction board are made by elastomeric material, and a spot of distortion can't influence the operate as normal of this wind direction regulating device.
This embodiment to be applicable in order reducing cost, wind direction board and wind direction board attaching parts to be used under the situation of same material moulding.
What Figure 14 and Figure 15 illustrated is the fifth embodiment of the present invention.
The way of thinking of present embodiment and aufbauprinciple and first embodiment are similar, and different is that present embodiment has adopted 4 attaching parts, can alleviate the dewfall situation better.
Below in conjunction with Figure 16 and Figure 17 the sixth embodiment of the present invention is described.
When attaching parts only connect two wind direction boards, only need to change between the syndeton of wind direction board attaching parts and the relative distance between the fixed structure of supporting arrangement, just can make wind direction board be non-parallel state setting.Do not need to change the shape of the fixed structure of the shape of syndeton of wind direction board attaching parts or wind direction board supporting arrangement, so more help the simplification of product parts.
As shown in figure 17, between the syndeton of wind direction board attaching parts 18 apart from g greater than the distance h between the fixed structure of supporting arrangement 19, the angle of wind direction board 17b is different from the angle of wind direction board 17a like this, and no matter how the angle of 17a changes, and the angle of 17b is different from the angle of 17a all the time.Both wind direction board 17b and wind direction board 17a were non-parallel state setting.
And, different with five embodiment with first, second and third is, present embodiment does not need to change the shape of the fixed structure of the shape of syndeton of attaching parts or supporting arrangement, just can guarantee that this is moved smoothly by the interlinked mechanism that two wind direction boards and attaching parts constitute, and the situation of obstruction action generations such as deformation can not take place.
As shown in figure 16, the effect of present embodiment and the 5th embodiment are similar, organize the wind direction board that other wind direction board is non-parallel state setting owing to be provided with one at every group of exhaust outlet place with this, to alleviate the dewfall situation better.
Certainly, also all can be non-parallel state setting between each wind direction board group, repeat no more herein.
It should be noted that at last: above embodiment only in order to the explanation the present invention and and unrestricted technical scheme described in the invention.Therefore, although this specification has been described in detail the present invention with reference to the above embodiments, but, those of ordinary skill in the art is to be understood that, still can make amendment or be equal to replacement the present invention, and all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in the middle of the claim scope of the present invention.
Claims (14)
1. air conditioner, this air conditioner comprises: be arranged on the heat exchanger air side of flowing down axial-flow fan, be positioned at air conditioner exhaust outlet place and can regulate the wind direction board group of exhaust outlet place air blow-off direction, the wind direction board attaching parts that are used to regulate described wind direction board group rotational angle, with the wind direction board supporting arrangement that is used for fixing wind direction board, it is characterized in that: at least one wind direction board in the described wind direction board group and this are organized other wind direction board and are non-parallel state setting, and can rotate with other wind direction board.
2. air conditioner according to claim 1 is characterized in that: described wind direction board attaching parts are separate two parts.
3. air conditioner according to claim 2 is characterized in that: the place, end adjacent to each other of described two wind direction board attaching parts be provided with these wind direction board attaching parts on other wind direction board be the wind direction board of non-parallel state.
4. air conditioner according to claim 1 is characterized in that: all be non-parallel state setting between described each wind direction board.
5. air conditioner according to claim 1 is characterized in that: described wind direction board attaching parts are a plurality of, have on each that other wind direction board is non-parallel state setting on a wind direction board and this wind direction board attaching parts.
6. according to the described air conditioner of arbitrary claim in the claim 1 to 5, it is characterized in that: described wind direction board attaching parts and/or described wind direction board are made by elastomeric material.
7. air conditioner according to claim 1, it is characterized in that: described air conditioner comprises at least one or a plurality of independent subsystem of being made up of described wind direction board, described wind direction board attaching parts and described wind direction board supporting structure each other, in one or more subsystems, have at least a wind direction board and other wind direction board to be non-parallel state setting, and can rotate with other wind direction board.
8. air conditioner according to claim 1, it is characterized in that: have the syndeton that is rotationally connected with each wind direction board on the described wind direction board attaching parts, have at least an interval that forms by adjacent syndeton to be different from the interval that other adjacent syndeton forms, so that this syndeton connects the wind direction board that is non-parallel state setting and can realize interlock.
9. air conditioner according to claim 8 is characterized in that: the shape of at least one described syndeton is different from the shape of other syndeton, so that this syndeton connects the wind direction board that is non-parallel state setting and can realize interlock.
10. air conditioner according to claim 9, it is characterized in that: described at least one syndeton be shaped as Long Circle, other syndeton be shaped as circle so that the syndeton of described Long Circle setting connects the wind direction board that is non-parallel state setting and can realize interlock.
11. according to claim 1 or 8 described air conditioners, it is characterized in that: have the fixedly fixed structure of wind direction board on the described wind direction board supporting arrangement, wherein the interval of at least one adjacent fixed structure formation is different from the interval that other adjacent fixed structure forms, so that this fixed structure fixedly is the wind direction board of non-parallel state setting and can realizes interlock.
12. air conditioner according to claim 11 is characterized in that: wherein the shape of at least one fixed structure is different from the shape of other fixed structure, so that this fixed structure fixedly is the wind direction board of non-parallel state setting and can realizes interlock.
13. air conditioner according to claim 11, it is characterized in that: described at least one fixed structure be shaped as Long Circle, other fixed structure be shaped as circle so that the fixed structure of described Long Circle setting fixedly is the wind direction board of non-parallel state setting and can realizes interlock.
14. air conditioner according to claim 1 is characterized in that: described wind direction board and described wind direction board attaching parts are set to one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510059815 CN1840976A (en) | 2005-03-31 | 2005-03-31 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510059815 CN1840976A (en) | 2005-03-31 | 2005-03-31 | Air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1840976A true CN1840976A (en) | 2006-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510059815 Pending CN1840976A (en) | 2005-03-31 | 2005-03-31 | Air conditioner |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907323A (en) * | 2009-06-08 | 2010-12-08 | 三菱电机株式会社 | Indoor unit of air conditioner |
| CN101655275B (en) * | 2009-09-23 | 2012-01-11 | 江苏友奥电器有限公司 | Switch door mechanism of air conditioner |
| CN103363644A (en) * | 2013-06-26 | 2013-10-23 | 邯郸美的制冷设备有限公司 | Indoor unit air outlet device for air conditioner |
| CN103388893A (en) * | 2013-08-06 | 2013-11-13 | 上海三菱电机·上菱空调机电器有限公司 | Condensation-prevention air conditioner air outlet structure |
| JP2018031575A (en) * | 2016-08-26 | 2018-03-01 | シャープ株式会社 | Wind direction changing device and air conditioner including the same |
| CN108869401A (en) * | 2018-05-16 | 2018-11-23 | 广东美的环境电器制造有限公司 | Blade control device and air circulator |
-
2005
- 2005-03-31 CN CN 200510059815 patent/CN1840976A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907323A (en) * | 2009-06-08 | 2010-12-08 | 三菱电机株式会社 | Indoor unit of air conditioner |
| CN101907323B (en) * | 2009-06-08 | 2013-07-17 | 三菱电机株式会社 | Indoor unit of air conditioner |
| CN101655275B (en) * | 2009-09-23 | 2012-01-11 | 江苏友奥电器有限公司 | Switch door mechanism of air conditioner |
| CN103363644A (en) * | 2013-06-26 | 2013-10-23 | 邯郸美的制冷设备有限公司 | Indoor unit air outlet device for air conditioner |
| CN103363644B (en) * | 2013-06-26 | 2016-01-20 | 邯郸美的制冷设备有限公司 | Indoor unit air outlet device for air conditioner |
| CN103388893A (en) * | 2013-08-06 | 2013-11-13 | 上海三菱电机·上菱空调机电器有限公司 | Condensation-prevention air conditioner air outlet structure |
| CN103388893B (en) * | 2013-08-06 | 2016-07-06 | 上海三菱电机·上菱空调机电器有限公司 | Anti-condensation air outlet structure of air conditioner |
| JP2018031575A (en) * | 2016-08-26 | 2018-03-01 | シャープ株式会社 | Wind direction changing device and air conditioner including the same |
| CN108869401A (en) * | 2018-05-16 | 2018-11-23 | 广东美的环境电器制造有限公司 | Blade control device and air circulator |
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