CN202613595U - Air-pipe indoor unit - Google Patents
Air-pipe indoor unit Download PDFInfo
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- CN202613595U CN202613595U CN 201220278540 CN201220278540U CN202613595U CN 202613595 U CN202613595 U CN 202613595U CN 201220278540 CN201220278540 CN 201220278540 CN 201220278540 U CN201220278540 U CN 201220278540U CN 202613595 U CN202613595 U CN 202613595U
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Abstract
The utility model provides an air-pipe indoor unit. The air-pipe indoor unit comprises a shell body, wherein a heat exchanger is fixedly arranged inside the shell body; a water receiving tray is arranged at the lower part of the heat exchanger; a blower is arranged at one side of the heat exchanger; an air inlet and an air outlet which are respectively located at the two sides of the heat exchanger are formed in the shell body; and the air outlet is formed in the lower sidewall of the shell body. According to the air-pipe indoor unit provided by the utility model, the air outlet is formed in the lower sidewall of the shell body, so that the air outlet direction of the air-pipe indoor unit is enabled to be directly downward, the problem that the air outlet direction of an ordinary small household air-pipe indoor unit can be enabled to be downward by only mounting an air pipe is effectively solved, and the air outlet efficiency and heating comfort are improved.
Description
Technical field
The utility model relates to the air-cooled ducted air conditioner field, in particular to a kind of airduct indoor set.
Background technology
Present household small-size airduct indoor set is on the market sayed from set structure; Extremely shown in Figure 4 like Fig. 1; Mainly comprise housing 10, 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 air inlet 11 and air outlet 12 that is positioned at heat exchanger 20 both sides.From the mode of air current composition, mainly contain following several kinds of forms:
Side is sent next time; As depicted in figs. 1 and 2, air inlet 11 designs of airduct indoor set are in indoor set unit bottom, and air outlet 12 designs of airduct indoor set are in indoor set unit side; Return air, air-out all can air ducts or are flexible coupling, and form side and send the loop of air current composition next time.
Side send the back to return, and perhaps side is sent next time, like Fig. 3 and shown in Figure 4; Air inlet 11 designs of airduct indoor set are at indoor set unit rear portion; Air outlet 12 designs of airduct indoor set are in indoor set unit side, but return air is connected to unit rear portion, air-out air duct through airduct or is flexible coupling, the air current composition loop that the formation side send the back to return; Perhaps but air-out air duct or be flexible coupling turns downwards, forms side and send form next time.
Can find out from above airduct indoor machine structure, air current composition mode, though the household small-size airduct indoor machine structure of industry is various informative at present, for installing and using of reality; Form is single, and the air outlet 12 of unit all is arranged on the side of housing, and in the actual use; Generally all need air-out direction downward, so just need airduct is installed, cause trouble is installed; And, because the existence of airduct, cause that to heat comfortableness poor.
The utility model content
The utility model aims to provide a kind of airduct indoor set of downward air-out, to solve the problem that the air-out of airduct indoor set sidewall heats the comfortableness difference.
The utility model provides a kind of airduct indoor set; Comprise housing; Enclosure interior is set with heat exchanger, and the bottom of heat exchanger is provided with drip tray, and a side of heat exchanger is provided with blower fan; Housing is provided with air inlet and the air outlet that lays respectively at the heat exchanger both sides, and air outlet is arranged on the lower wall of housing.
Further, heat exchanger is arranged on the air side of blower fan; Air inlet is arranged on the rear wall of housing, and air outlet is arranged on the lower wall of housing the end near the front side wall of housing; Perhaps enclosure interior is provided with the air outlet that makes that extends to the rear portion and is positioned at the air-out air channel near rear wall one end of housing.
Further, blower fan is a centrifugal blower, and centrifugal blower comprises centrifugal blower volute, and centrifugal blower volute has diffusion portion; Diffusion portion is positioned at the top of housing and towards heat exchanger, and the top of diffusion portion is angle 1 along the outer contour of air-out direction and the upper side wall of housing, wherein, and 1≤45 ° of 0 °≤α.
Further, heat exchanger is arranged on the inlet side of blower fan; Air inlet is arranged on the rear wall of housing, and air outlet is arranged on the lower wall of housing the end near the front side wall of housing; Perhaps enclosure interior is provided with the air outlet that makes that extends to the rear portion and is positioned at the air-out air channel near rear wall one end of housing.
Further, blower fan is a centrifugal blower, and centrifugal blower comprises centrifugal blower volute, and centrifugal blower volute has diffusion portion; Diffusion portion is towards lower part of frame, and the top of diffusion portion is angle 2 along the outer contour of air-out direction and the upper side wall of housing, wherein, and 2≤90 ° of 0 °≤α; Perhaps the bottom of diffusion portion is angle 3 along the outer contour of air-out direction and the lower wall of housing, wherein, and 3≤90 ° of 0 °≤α.
Further, heat exchanger is single folding heat exchanger, and the angle between single folding heat exchanger and the horizontal plane is θ 1, wherein, and 1≤90 ° of 20 °≤θ.
Further, heat exchanger is two folding heat exchangers, and two folding heat exchangers comprise the first heat exchange portion and the second heat exchange portion, have angle theta 2 between the first heat exchange portion and the second heat exchange portion, wherein, and 2≤150 ° of 20 °≤θ.
Further, two folding heat exchanger one bending formings are perhaps by two separate exchangers spicing forming types.
Further, heat exchanger is the many foldings heat exchanger greater than two foldings.
Further, the airduct indoor set also comprises electric heater unit, and electric heater unit is arranged on the side of heat exchanger away from air inlet.
Further, air inlet is arranged at least one in rear wall, upper side wall and the lower wall of housing.
Airduct indoor set according to the utility model; Air outlet is arranged on the lower wall of housing; Thereby make the air-out direction of airduct indoor set directly downward; Solve common small-sized household airduct indoor set effectively the problem that airduct just can make air-out be directed downwards need be installed, and improved air-out efficient and the comfortableness that heats.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is first kind of structural representation according to the airduct indoor set of prior art;
Fig. 2 is second kind of structural representation according to the airduct indoor set of prior art;
Fig. 3 is the third structural representation according to the airduct indoor set of prior art;
Fig. 4 is the 4th a kind of structural representation according to the airduct indoor set of prior art;
Fig. 5 is the structural representation according to first embodiment of the airduct indoor set of the utility model;
Fig. 6 is the structural representation according to second embodiment of the airduct indoor set of the utility model;
Fig. 7 is the structural representation according to the 3rd embodiment of the airduct indoor set of the utility model;
Fig. 8 is the structural representation according to the 4th embodiment of the airduct indoor set of the utility model;
Fig. 9 is the structural representation according to the 5th embodiment of the airduct indoor set of the utility model;
Figure 10 is the structural representation according to the 6th embodiment of the airduct indoor set of the utility model; And
Figure 11 is the structural representation according to the 7th embodiment of the airduct indoor set of the utility model.
The specific embodiment
Below with reference to accompanying drawing and combine embodiment to specify the utility model.
Shown in Fig. 5 to 9; Airduct indoor set according to the utility model comprises housing 10, and housing 10 internal fixation are provided with heat exchanger 20; The bottom 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 air inlet 11 and air outlet 12 that lays respectively at heat exchanger 20 both sides, and air outlet 12 is arranged on the lower wall of housing 10.Air outlet is arranged on the lower wall of housing 10; Thereby make the air-out direction of airduct indoor set directly downward; Solve common airduct indoor set effectively the problem that airduct just can make air-out be directed downwards need be installed, and improved air-out efficient and the comfortableness that heats.
As shown in Figure 5, according to first embodiment of the utility model, heat exchanger 20 is arranged on the air side of blower fan 40; Air inlet 11 is arranged on the rear wall of housing 10; Air outlet 12 is arranged on the lower wall of housing 10 end near the front side wall of housing 10, and it is inner that air gets into the airduct indoor sets from air inlet 11, through blower fan 40; With heat exchanger 20 heat-shifts, blow out from air outlet 12 at last then.
For the requirement in the difference air-supply zone of satisfying the airduct indoor set, promptly, as shown in Figure 6 when the air-out of indoor set and return air during at the same area; According to second embodiment of the utility model, on the basis of above-mentioned first embodiment, air-out air channel 13 is set in enclosure interior; Extend to the rear portion of housing in air-out air channel 13; Thereby air outlet 12 is positioned near air inlet 11 1 ends, and air outlet and air inlet are positioned at the same area like this, satisfy different demands.
As shown in Figure 7, according to the 3rd embodiment of the utility model, heat exchanger 20 is arranged on the inlet side of blower fan 40, and air inlet 11 is arranged on the rear wall of housing 10, and air outlet 12 is arranged on the lower wall of housing 10 end near the front side wall of housing 10.It is inner that air gets into the airduct indoor set from air inlet 11, with heat exchanger 20 heat-shifts, is inhaled into blower fan 40 then and blows out earlier, blows out from air outlet 12 at last.
When α 2 angles hour, the unit back side panel is directly clashed in air-out, produces vibrations and noise, when α 2 was big, as shown in Figure 7, wind will directly blow out from centrifugation blade, not through the air channel diffusion, air-out speed height and inhomogeneous, noise is big.As testing machine, the air-conditioner unit adopts two folding heat exchangers with a specified refrigerating capacity air-conditioner that is 3.5kw, and every folding heat exchanger is 3 row Ф, 5 copper pipes, and two row U pipes add up to 18 U pipes, and two folding heat exchanger angles are 74 degree.Unit is of a size of 440*200*750, operate in when the most high-grade at air-conditioner, the test data of noise shown in following table one (angular unit: degree, noise unit: decibel):
Table one: the noise test data under different α 2 angles
| | Noise | Remarks | |
| 10 | 43.1 | The side plate vibrations are bigger | |
| 20 | 42.8 | ? | |
| 50 | 41.7 | ? | |
| 80 | 43.6 | ? | |
| 90 | 45.3 | Wind speed is uneven |
Can draw from the test result of last table one, when angle [alpha] 2 was increased to 90 ° process from 10 °, level of noise reduced earlier afterwards to increase, and when α 2 angle too small, because wind directly impacts back side panel, and caused vibrations.When α 2 angles are excessive,, wind do not cause level of noise excessive owing to directly blowing out through the air channel diffusion yet.Take all factors into consideration, α 2 more preferably scope is 20 ° ~ 80 °.
As shown in Figure 8, according to the 4th embodiment of the utility model, in order to satisfy the requirement in different air-supply zones; On the basis of the 3rd embodiment; Can air-out air channel 13 be set in enclosure interior, extend to the rear portion of housing in air-out air channel 13, thereby air outlet 12 is positioned near air inlet 11 1 ends; Air outlet and air inlet are positioned at the same area like this, satisfy different demands.
As shown in Figure 9; According to the 5th embodiment of the utility model, on the basis of above-mentioned the 4th embodiment, the diffusion portion 42 of the centrifugal blower volute 41 of centrifugal blower is arranged on lower part of frame; Towards the air outlet that is positioned at the housing rear end; Preferably, in order to improve air-out efficient, the scope of the angle 3 of the lower wall of the outer contour of diffusion portion 42 and housing 10 is 0 ° to 90 °.
When α 3 angles were big, the unit lower side panel was directly clashed in air-out, produced vibrations and noise, when α 3 hour, situation as shown in Figure 9 needs to increase unit gauge (because unit will be reserved the size that diffusion thickness is greater than through-flow spiral case mouth).The unit that is 3.5kw with a specified refrigerating capacity is an example: unit adopts two folding heat exchangers, and every folding heat exchanger is 3 row Ф, 5 copper pipes, and two row U pipes add up to 18 U pipes, and two folding heat exchanger angles are 74 degree.At the air-conditioner unit operation when the most high-grade, the test data of the noise of the generation of different α 3 and unit gauge shown in following table two (angular unit: degree, noise unit: decibel, dimensional units: millimeter):
Table two: noise under different α 3 angles and unit gauge test data
Can draw from the experimental data of table two, when α 3 was increased to 90 ° process from 0 °, level of noise constantly increased; When α 3 angle too small; Need to increase unit thickness, when α 3 angles were excessive, air-out was directly impacted lower side panel and is caused vibration bigger; Take all factors into consideration noise and machine packet size, can draw α 3 more preferably scope be 20 ° ~ 70 °.
In each above-mentioned embodiment, heat exchanger 20 can be single folding heat exchanger or two folding heat exchangers, when heat exchanger 20 is list folding heat exchanger; The scope of the angle theta 1 between single folding heat exchanger and the horizontal plane is 20 ° to 90 °, can effectively reduce the machine packet size, because the cross section U number of this little unit is generally 12 ~ 24 U pipes; The length in heat exchanger cross section is a definite value like this; When θ 1 was very little, unit section depth size was bigger, and causes the heat exchanger impeded drainage easily; When θ 1 was very big, the unit height dimension was relatively large.With a specified refrigerating capacity is that 3.5 kilowatts unit is a testing machine, adopts single folding heat exchanger, and heat exchanger is 18 Ф, 5 bronze medal U pipes, under different θ 1 angle case, the unit sectional dimension shown in following table three (angular unit: degree, dimensional units: millimeter):
Table three: the unit sectional dimension test data under different θ 1 angles
| θ1 | Unit sectional dimension (degree of depth * height) |
| 20 | ?450*250 |
| 50 | ?390*250 |
| 90 | ?245*280 |
Can draw from the data of last table three, when θ 1 is increased to 90 ° process from 20 °, can reduce the size (being reduced to 245mm) of unit depth direction effectively by 450mm.
When heat exchanger 20 is two folding heat exchangers, two folding heat exchangers comprise the first heat exchange portion and the second heat exchange portion that is in the shape of the letter V and is provided with, and the scope of the angle theta 2 between the first heat exchange portion and the second heat exchange portion is 20 ° to 90 °; When θ 2 angles hour, heat exchanger air intake zone is too small, the unit air quantity is less than normal; When angle increases to certain angle, when the heat exchanger distance was greater than the size of centrifugation blade up and down, distance increased angle; Will increase the height dimension of unit, be that 3.5 kilowatts unit is an example with a specified refrigerating capacity: unit adopts two folding heat exchangers, and every folding heat exchanger is 3 row Ф, 5 copper pipes; Two row U pipes add up to 18 U pipes; Angle theta 2 between two folding heat exchangers changes, and when the most high-grade, wind quantity test data and unit gauge be (angular unit: degree shown in following table four at unit operation; Air quantity unit: the cubic meter per hour, dimensional units: the millimeter):
Table four: air quantity and unit gauge test data under different θ 2 angles
| θ2 | Air quantity | The |
| 20 | 523 | 200 |
| 74 | 614 | 200 |
[0056]?
| 90 | 637 | 235 |
Can find out that from the data of last table four when θ 2 was increased to 90 ° by 20 °, air quantity constantly increased, the thickness of unit also increases to some extent.
According to different design forms, two folding heat exchangers can be the one bending forming, and perhaps by two separate exchangers spicing forming types, the bending place of the first heat exchange portion and the second heat exchange portion can the wedge angle transition, also can arc transition.
In the airduct indoor set of air draught type; Because distributing, the U length of tube direction air quantity of heat exchanger 20 relatively evenly receives; Heat exchanger 20 can be arranged to the many foldings heat exchanger greater than two foldings; Many folding heat exchangers can be roughly arc encirclement blower fan, thereby make the even wind-engaging of each wind surface of heat exchanger, improve its heat exchange efficiency and can reduce the machine packet size.
In addition; Not enough in order to prevent the heat exchanger heating capacity, also be provided with electric heater unit 50 at the heat exchanger 20 of airduct indoor set away from a side of air inlet 11, like this when system heats; When the heat exchanger heating capacity is not enough; Again by electric heater unit 50 heating, heated requirement by the wind of heat exchanger heating, improve the comfort level that heats thereby satisfy.
Preferably, shown in figure 10, when the airduct indoor set was air draught type (heat exchanger is in the air draught side of blower fan), the air inlet of airduct indoor set can also can be the last air inlet on the upper side wall that is arranged on housing for being arranged on the rear air inlet on the housing rear wall.Also air inlet and rear air inlet can be set simultaneously,, use cover plate that rear air inlet is covered,, use cover plate that enterprising air port is covered and get final product when behind the needs during return air when on the needs during return air.When last air inlet and rear air inlet do not cover, air inlet and rear air inlet return air simultaneously on the airduct indoor set.
Shown in figure 11; When the airduct indoor set is bleed type (heat exchanger is in the blowing side of blower fan); The air inlet of airduct indoor set can be for being arranged on the rear air inlet on the housing rear wall; Also can be the last air inlet on the upper side wall that is arranged on housing, can also be for being arranged on the following air inlet on the housing lower wall.The airduct indoor set also can be provided with rear air inlet simultaneously, go up air inlet and following air inlet, and corresponding cover plate is set, when needs adopt certain mode return air; Then other air inlet is covered with cover plate; For example, on the needs during air intake, with cover plate with rear air inlet, air inlet covers and gets final product down; Need up and down can both air intake the time, rear air inlet is covered get final product, thereby satisfy multiple return air demand.
From above description, can find out that the utility model the above embodiments have realized following technique effect:
Airduct indoor set according to the utility model; Air outlet is arranged on the lower wall of housing; Thereby make the air-out direction of airduct indoor set directly downward; Solve common airduct indoor set effectively the problem that airduct just can make air-out be directed downwards need be installed, and improved air-out efficient and the comfortableness that heats.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (11)
1. airduct indoor set; Comprise housing (10), said housing (10) internal fixation is provided with heat exchanger (20), and the bottom of said heat exchanger (20) is provided with drip tray (30); One side of said heat exchanger (20) is provided with blower fan (40); Said housing (10) is provided with air inlet (11) and the air outlet (12) that lays respectively at said heat exchanger (20) both sides, it is characterized in that said air outlet (12) is arranged on the lower wall of said housing (10).
2. airduct indoor set according to claim 1 is characterized in that,
Said heat exchanger (20) is arranged on the air side of said blower fan (40);
Said air inlet (11) is arranged on the rear wall of said housing (10), and said air outlet (12) is arranged on the lower wall of said housing (10) end near the front side wall of said housing (10); Perhaps said enclosure interior is provided with the said air outlet (12) that makes that extends to the rear portion and is positioned at the air-out air channel (13) near rear wall one end of said housing.
3. airduct indoor set according to claim 2 is characterized in that,
Said blower fan (40) is a centrifugal blower, and said centrifugal blower comprises centrifugal blower volute (41), and said centrifugal blower volute (41) has diffusion portion (42);
Said diffusion portion (42) is positioned at the top of said housing (10) and towards said heat exchanger (20); And the top of said diffusion portion (42) is angle 1 along the outer contour of air-out direction and the upper side wall of said housing (10); Wherein, 0 °≤α is 1≤45 °.
4. airduct indoor set according to claim 1 is characterized in that,
Said heat exchanger (20) is arranged on the inlet side of said blower fan (40);
Said air inlet (11) is arranged on the rear wall of said housing (10), and said air outlet (12) is arranged on the lower wall of said housing (10) end near the front side wall of said housing (10); Perhaps said enclosure interior is provided with the said air outlet (12) that makes that extends to the rear portion and is positioned at the air-out air channel (13) near rear wall one end of said housing.
5. airduct indoor set according to claim 4 is characterized in that,
Said blower fan (40) is a centrifugal blower, and said centrifugal blower comprises centrifugal blower volute (41), and said centrifugal blower volute (41) has diffusion portion (42);
Said diffusion portion (42) is towards the bottom of said housing (10), and the top of said diffusion portion (42) is angle 2 along the outer contour of air-out direction and the upper side wall of said housing (10), wherein, and 2≤90 ° of 10 °≤α; The bottom of perhaps said diffusion portion (42) is angle 3 along the outer contour of air-out direction and the lower wall of said housing (10), wherein, and 3≤90 ° of 0 °≤α.
6. according to each described airduct indoor set in the claim 1 to 5, it is characterized in that,
Said heat exchanger (20) is single folding heat exchanger, and the angle between said single folding heat exchanger and the horizontal plane is θ 1, wherein, and 1≤90 ° of 20 °≤θ.
7. according to each described airduct indoor set in the claim 1 to 5, it is characterized in that,
Said heat exchanger (20) is two folding heat exchangers, and said two folding heat exchangers comprise the first heat exchange portion and the second heat exchange portion, have angle theta 2 between the first heat exchange portion and the said second heat exchange portion, wherein, and 2≤150 ° of 20 °≤θ.
8. airduct indoor set according to claim 7 is characterized in that, said two folding heat exchanger one bending formings are perhaps by two separate exchangers spicing forming types.
9. according to each described airduct indoor set in the claim 1 to 5, it is characterized in that said heat exchanger (20) is the many foldings heat exchanger greater than two foldings.
10. according to each described airduct indoor set in the claim 1 to 5; It is characterized in that; Said airduct indoor set also comprises electric heater unit (50), and said electric heater unit (50) is arranged on the side of said heat exchanger (20) away from said air inlet (11).
11. airduct indoor set according to claim 1 is characterized in that, said air inlet (11) is arranged at least one in rear wall, upper side wall and the lower wall of said housing (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220278540 CN202613595U (en) | 2012-06-13 | 2012-06-13 | Air-pipe indoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220278540 CN202613595U (en) | 2012-06-13 | 2012-06-13 | Air-pipe indoor unit |
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|---|---|
| CN202613595U true CN202613595U (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220278540 Expired - Lifetime CN202613595U (en) | 2012-06-13 | 2012-06-13 | Air-pipe indoor unit |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486660A (en) * | 2012-06-13 | 2014-01-01 | 珠海格力电器股份有限公司 | Air pipe indoor machine |
| CN103912970A (en) * | 2013-01-08 | 2014-07-09 | 珠海格力电器股份有限公司 | Heat exchanger structure |
| CN104566636A (en) * | 2013-10-28 | 2015-04-29 | 珠海格力电器股份有限公司 | Air duct machine and air conditioner provided with air duct 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 |
| CN104697044A (en) * | 2013-12-09 | 2015-06-10 | 珠海格力电器股份有限公司 | Air pipe type indoor air conditioner and control method thereof |
| WO2019062195A1 (en) * | 2017-09-27 | 2019-04-04 | 广东美的暖通设备有限公司 | Air conditioner indoor unit, air conditioner control method, air conditioner and storage medium |
| CN113757808A (en) * | 2020-06-01 | 2021-12-07 | 广东美的暖通设备有限公司 | Air duct type air conditioner |
-
2012
- 2012-06-13 CN CN 201220278540 patent/CN202613595U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486660A (en) * | 2012-06-13 | 2014-01-01 | 珠海格力电器股份有限公司 | Air pipe indoor machine |
| CN103912970A (en) * | 2013-01-08 | 2014-07-09 | 珠海格力电器股份有限公司 | Heat exchanger structure |
| CN104566625A (en) * | 2013-10-09 | 2015-04-29 | 珠海格力电器股份有限公司 | Air pipe indoor unit |
| CN104566625B (en) * | 2013-10-09 | 2018-04-17 | 珠海格力电器股份有限公司 | Air pipe indoor machine |
| CN104566636A (en) * | 2013-10-28 | 2015-04-29 | 珠海格力电器股份有限公司 | Air duct machine and air conditioner provided with air duct machine |
| CN104566636B (en) * | 2013-10-28 | 2017-11-14 | 珠海格力电器股份有限公司 | Air-cooled ducted air conditioner and the air conditioner with the air-cooled ducted air conditioner |
| CN104697044A (en) * | 2013-12-09 | 2015-06-10 | 珠海格力电器股份有限公司 | Air pipe type indoor air conditioner and control method thereof |
| CN104697044B (en) * | 2013-12-09 | 2018-03-13 | 珠海格力电器股份有限公司 | Air pipe type air conditioner indoor unit and its control method |
| WO2019062195A1 (en) * | 2017-09-27 | 2019-04-04 | 广东美的暖通设备有限公司 | Air conditioner indoor unit, air conditioner control method, air conditioner and storage medium |
| US11609021B2 (en) | 2017-09-27 | 2023-03-21 | Gd Midea Heating & Ventilating Equipment Co., Ltd. | Air conditioner indoor unit, air conditioner control method, air conditioner and storage medium |
| CN113757808A (en) * | 2020-06-01 | 2021-12-07 | 广东美的暖通设备有限公司 | Air duct type air conditioner |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20121219 |