CN203478536U - Air duct indoor unit - Google Patents
Air duct indoor unit Download PDFInfo
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- CN203478536U CN203478536U CN201320585145.3U CN201320585145U CN203478536U CN 203478536 U CN203478536 U CN 203478536U CN 201320585145 U CN201320585145 U CN 201320585145U CN 203478536 U CN203478536 U CN 203478536U
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Abstract
The utility model provides an air duct indoor unit. The air duct indoor unit comprises a shell, wherein a heat exchanger is fixedly arranged inside the shell, a water receiving disk is arranged on the lower portion of the heat exchanger, a centrifugal fan is arranged on one side of the heat exchanger, an air inlet and an air outlet are formed in the shell, and are formed in the two sides of the heat exchanger respectively, the air outlet is formed in the lower side wall of the shell, the minimum horizontal distance between the axis of the centrifugal fan and the heat exchanger is L, and the L is larger than or equal to 120mm, and smaller than or equal to 200mm. According to the air duct indoor unit, due to the fact that the air outlet is formed in the lower side wall of the shell, outlet air of the air duct indoor unit is directly downward, and air outlet efficiency and heating comfort are improved; in addition, it is ensured that the minimum horizontal distance between the axis of the centrifugal fan and the heat exchanger is the L, and the L ranges from 120mm to 200mm, the width of the air duct indoor unit is effectively reduced on the situation that heat exchange uniformity of the heat exchanger is ensured, and ceiling installation is facilitated.
Description
Technical field
The utility model relates to air-cooled ducted air conditioner field, in particular to a kind of airduct indoor set.
Background technology
Current household small-size airduct indoor set is on the market sayed from set structure, as shown in Figures 1 to 4, mainly comprise housing 10, housing 10 inside are fixedly installed heat exchanger 20, the below of heat exchanger 20 is provided with drip tray 30, one side of heat exchanger 20 is provided with centrifugal blower 40, is provided with the air inlet 11 and the air outlet 12 that are positioned at heat exchanger 20 both sides on housing 10.From the mode of air current composition, mainly contain following several form:
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 is returned after sending, or side is sent next time, as shown in Figure 3 and Figure 4, air inlet 11 designs of airduct indoor set are at indoor set unit rear portion, air outlet 12 design of airduct indoor set is in indoor set unit side, and return air is connected to unit rear portion, air-out by airduct can air duct or be flexible coupling, and forms the air current composition loop of going back to after side is sent, or air-out can air duct or is flexible coupling and turns downwards, forms side and send form next time.
From above airduct indoor machine structure, air current composition mode, can find out, although the household small-size airduct indoor machine structure of industry is various informative at present, for installing and using of reality, form is single, the air outlet 12 of unit is all arranged on the side of housing, and in actual use procedure, generally all need air-out direction downward, airduct so just need to be installed, cause trouble is installed, and, due to the existence of airduct, cause that to heat comfortableness poor.
Utility model content
The utility model aims to provide a kind of airduct indoor set of downward air-out, to solve the air-out of airduct indoor set sidewall, heats the poor problem of comfortableness.
The utility model provides a kind of airduct indoor set, comprise housing, enclosure interior is fixedly installed heat exchanger, the bottom of heat exchanger is provided with drip tray, one side of heat exchanger is provided with centrifugal blower, is provided with the air inlet and the air outlet that lay respectively at heat exchanger both sides on housing, and air outlet is arranged in the lower wall of housing, horizontal minimum range between the axle center of centrifugal blower and heat exchanger is L, and 120≤L≤200mm.
Further, heat exchanger is arranged on the air side of centrifugal blower; Air inlet is arranged on the rear wall of housing, and air outlet is arranged in the lower wall of housing the one end near the front side wall of housing; Or enclosure interior is provided with the air outlet that makes extending to rear portion and is positioned at the air-out air channel near rear wall one end of housing.
Further, 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 α 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 centrifugal blower; Air inlet is arranged on the rear wall of housing, and air outlet is arranged in the lower wall of housing the one end near the front side wall of housing; Or enclosure interior is provided with the air outlet that makes extending to rear portion and is positioned at the air-out air channel near rear wall one end of housing.
Further, centrifugal blower comprises centrifugal blower volute, and centrifugal blower volute has diffusion portion; Diffusion portion is towards the bottom of housing, and the top of diffusion portion is angle α 2 along the outer contour of air-out direction and the upper side wall of housing, wherein, and 2≤90 ° of 0 °≤α; Or the bottom of diffusion portion is angle α 3 along the outer contour of air-out direction and the lower wall of housing, wherein, 3≤90 ° of 0 °≤α.
Further, heat exchanger is single folding heat exchanger, and the angle between single folding heat exchanger and 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, between the first heat exchange portion and the second heat exchange portion, has angle theta 2, wherein, and 2≤150 ° of 20 °≤θ.
Further, two folding heat exchanger one bending formings, or by two separate exchangers spicing forming types.
Further, heat exchanger is the many foldings heat exchanger that is greater than two foldings.
Further, airduct indoor set also comprises electric heater unit, and electric heater unit is arranged on heat exchanger away from a side of air inlet.
Further, air inlet is arranged at least one in rear wall, upper side wall and the lower wall of housing.
According to airduct indoor set of the present utility model, air outlet is arranged in the lower wall of housing, thereby make the air-out direction of airduct indoor set directly downward, effectively solved common small-sized household airduct indoor set and airduct need to be installed just can make the downward problem of air-out direction, the comfortableness that has improved air-out efficiency and heated.In addition, guarantee simultaneously the axle center of centrifugal blower and the horizontal minimum range between heat exchanger be L at 120mm between 200mm, guaranteeing, under the inhomogeneity condition of heat exchanger heat exchange, effectively to reduce unit width, the installation of ceiling of being more convenient for.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is according to the first structural representation of the airduct indoor set of prior art;
Fig. 2 is according to the second structural representation of the airduct indoor set of prior art;
Fig. 3 is according to the third structural representation of the airduct indoor set of prior art;
Fig. 4 is according to the 4th of the airduct indoor set of prior art the kind of structural representation;
Fig. 5 is according to the structural representation of the first embodiment of airduct indoor set of the present utility model;
Fig. 6 is according to the structural representation of the second embodiment of airduct indoor set of the present utility model;
Fig. 7 is according to the structural representation of the 3rd embodiment of airduct indoor set of the present utility model;
Fig. 8 is according to the structural representation of the 4th embodiment of airduct indoor set of the present utility model;
Fig. 9 is according to the structural representation of the 5th embodiment of airduct indoor set of the present utility model;
Figure 10 is according to the structural representation of the 6th embodiment of airduct indoor set of the present utility model; And
Figure 11 is according to the structural representation of the 7th embodiment of airduct indoor set of the present utility model.
The specific embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As shown in Fig. 5 to 9, according to airduct indoor set of the present utility model, comprise housing 10, housing 10 inside are fixedly installed heat exchanger 20, and the bottom of heat exchanger 20 is provided with drip tray 30, and a side of heat exchanger 20 is provided with centrifugal blower 40, on housing 10, be provided with the air inlet 11 and the air outlet 12 that lay respectively at heat exchanger 20 both sides, air outlet 12 is arranged in the lower wall of housing 10, and the horizontal minimum range between the axle center of centrifugal blower 40 and heat exchanger 20 is L, and 120≤L≤200mm.The utility model is by being arranged on air outlet 12 in the lower wall of housing 10, thereby make the air-out direction of airduct indoor set directly downward, effectively solved common small-sized household airduct indoor set and airduct need to be installed just can make the downward problem of air-out direction, the comfortableness that has improved air-out efficiency and heated.In addition, guarantee the axle center of centrifugal blower and the horizontal minimum range between heat exchanger be L at 120mm between 200mm, guaranteeing, under the inhomogeneity condition of heat exchanger heat exchange, effectively to reduce unit width, the installation of ceiling of being more convenient for.
As shown in Figure 5, according to the first embodiment of the present utility model, heat exchanger 20 is arranged on the air side of centrifugal blower 40, air inlet 11 is arranged on the rear wall of housing 10, air outlet 12 is arranged in the lower wall of housing 10 one end near the front side wall of housing 10, and it is inner that air enters airduct indoor set from air inlet 11, through centrifugal blower 40, then with heat exchanger 20 heat-shifts, finally from air outlet 12, blow out.
In the first embodiment, centrifugal blower 40 comprises centrifugal blower volute 41, and centrifugal blower volute 41 has diffusion portion 42; Diffusion portion 42 is positioned at the top of housing 10 and towards heat exchanger 20, in order to make wind energy that centrifugal blower 40 blows out enough better and heat exchanger 20 heat exchanges, even if all areas of heat exchanger 20 are even wind-engaging as much as possible, the wind direction that diffusion portion 42 is blown out has certain restriction, and the scope of the angle α 1 of the upper side wall of the outer contour of diffusion portion 42 and housing 10 is 0 ° to 45 °.
In order to meet the requirement in the difference air-supply region of airduct indoor set, when the air-out of indoor set and return air are during at the same area, as shown in Figure 6, according to the second embodiment of the present utility model, on the basis of above-mentioned the first embodiment, in enclosure interior, air-out air channel 13 is set, extend to the rear portion of housing in air-out air channel 13, thereby air outlet 12 is positioned near air inlet 11 one end, and air outlet and air inlet are positioned at the same area like this, meet different demands.
As shown in Figure 7, according to the 3rd embodiment of the present utility model, heat exchanger 20 is arranged on the inlet side of centrifugal blower 40, and air inlet 11 is arranged on the rear wall of housing 10, and air outlet 12 is arranged in the lower wall of housing 10 one end near the front side wall of housing 10.It is inner that air enters airduct indoor set from air inlet 11, first, with heat exchanger 20 heat-shifts, is then inhaled into centrifugal blower 41 and blows out, and finally from air outlet 12, blows out.
In the 3rd embodiment, centrifugal blower 40 comprises centrifugal blower volute 41, and centrifugal blower volute 41 has diffusion portion 42.Relative bleed type (heat exchanger 20 is arranged on the air side of centrifugal blower 40), the heat exchanger of air draught type (heat exchanger 20 is arranged on the inlet side of centrifugal blower 40) distributes relatively even at U length of tube direction air quantity, heat exchange efficiency is higher, therefore the design of centrifugal blower mainly considers to be convenient to air-out, diffusion portion 42 is positioned at the top of housing and when bottom, for the ease of air-supply, the scope that the upper side wall of the outer contour of diffusion portion 42 and housing 10 is angle α 2 is 10 ° to 90 °.
When α 2 angles hour, unit back side panel is directly clashed in air-out, produces vibrations and noise, when α 2 is larger, as shown in Figure 7, wind will directly blow out from centrifugation blade, not through air channel diffusion, air-out speed is high and inhomogeneous, noise is large.The air-conditioner that a specified refrigerating capacity of usining is 3.5kw is as testing machine, and air-conditioner 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.Unit is of a size of 440*200*750, at air-conditioner, operate in when the most high-grade, the test data of noise as shown in following table one (angular unit: Du， noise unit: decibel):
Table one: the noise test data under different α 2 angles
| | Noise | Remarks | |
| 10 | 43.1 | Side plate vibrations are larger | |
| 20 | 42.8 | ? | |
| 50 | 41.7 | ? | |
| 80 | 43.6 | ? | |
| 90 | 45.3 | Wind speed is uneven |
From the test result of upper table one, can draw, when angle [alpha] 2 is increased to the process of 90 ° from 10 °, level of noise first reduces rear increase, and when α 2 angle too small, because wind directly impacts back side panel, and causes vibrations.When α 2 angles are when excessive, also because wind does not directly blow out and causes level of noise excessive through air channel diffusion.Consider, α 2 more preferably scope is 20 °～80 °.
As shown in Figure 8, according to the 4th embodiment of the present utility model, in order to meet the requirement in different air-supply regions, 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 one end, air outlet and air inlet are positioned at the same area like this, meet different demands.
As shown in Figure 9, according to the 5th embodiment of the present utility model, on the basis of above-mentioned the 4th embodiment, the diffusion portion 42 of the centrifugal blower volute of centrifugal blower 41 is arranged on to the bottom of housing, towards the air outlet that is positioned at housing rear end, preferably, in order to improve air-out efficiency, the scope of the angle α 3 of the lower wall of the outer contour of diffusion portion 42 and housing 10 is 0 ° to 90 °.
When α 3 angles are when larger, unit lower side panel is directly clashed in air-out, produces vibrations and noise, when α 3 hour, situation, need to increase unit gauge (because unit will be reserved the size that diffusion thickness is greater than through-flow spiral case mouth) as shown in Figure 9.The unit that a specified refrigerating capacity of take is 3.5kw is 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 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 as shown in following table two (angular unit: Du， noise unit: decibel, dimensional units: millimeter):
Table two: the noise under different α 3 angles and unit gauge test data
| α3 | Noise | | Remarks | |
| 0 | 41.3 | 270 | ? | |
| 20 | 41.5 | 250 | ? | |
| 45 | 41.8 | 250 | ? | |
| 70 | 41.9 | 250 | ? | |
| 90 | 42.5 | 250 | The vibrations of unit lower side panel are large |
From the experimental data of table two, can draw, when α 3 is increased to the process of 90 ° from 0 °, level of noise constantly increases, when α 3 angle too small, need to increase unit thickness, when α 3 angles are when excessive, air-out is directly impacted lower side panel and is caused vibration larger, consider 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 single folding heat exchanger, the scope of the angle theta 1 between single folding heat exchanger and horizontal plane is 20 ° to 90 °, can effectively reduce 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 is very little, unit section depth size is larger, and easily cause heat exchanger impeded drainage, when θ 1 is very large, unit height dimension is relatively large.The unit that a specified refrigerating capacity of take is 3.5 kilowatts is testing machine, adopts single folding heat exchanger, and heat exchanger is 18 Ф, 5 bronze medal U pipes, under different θ 1 angle case, unit sectional dimension as 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 |
From the data of upper table three, can draw, when θ 1 is increased to the process of 90 ° from 20 °, can effectively reduce the size (being reduced to 245mm by 450mm) of unit depth direction.
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 arranges, 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 region is too small, unit air quantity is less than normal, when angle increases to certain angle, when upper and lower heat exchanger distance is greater than the size of centrifugation blade, distance increases angle, will increase the height dimension of unit, the unit that a specified refrigerating capacity of take is 3.5 kilowatts is example: unit adopts two folding heat exchangers, 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, at unit operation when the most high-grade, wind quantity test data and unit gauge be (angular unit: degree as shown in following table four, air quantity unit: cubic meter is per hour, dimensional units: millimeter):
Table four: air quantity and unit gauge test data under different θ 2 angles
| θ2 | Air | Unit gauge | |
| 20 | 523 | 200 | |
| 74 | 614 | 200 | |
| 90 | 637 | 235 |
From the data of upper table four, can find out, when θ 2 is increased to 90 ° by 20 °, air quantity constantly increases, and the thickness of unit also increases to some extent.
According to different design forms, two folding heat exchangers can be integrated bending forming, or by two separate exchangers spicing forming types, and the bending place of the first heat exchange portion and the second heat exchange portion can 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 is relatively evenly subject to, heat exchanger 20 can be arranged to be greater than many foldings heat exchanger of two foldings, many folding heat exchangers can be roughly arc and surround centrifugal blower, thereby the even wind-engaging of each wind surface that makes heat exchanger, improves its heat exchange efficiency and can reduce machine packet size.
In addition, inadequate in order to prevent heat exchanger heating capacity, at the heat exchanger 20 of airduct indoor set, away from a side of air inlet 11, be also provided with electric heater unit 50, like this when system heats, when heat exchanger heating capacity is inadequate, the wind being heated by heat exchanger is heated by electric heater unit 50 again, thereby meet, heats requirement, improves the comfort level heating.
Preferably, as shown in figure 10, when airduct indoor set is air draught type (heat exchanger is in the air draught side of centrifugal blower), the air inlet of airduct indoor set can be for being arranged on the rear air inlet on housing rear wall, also can be for being arranged on the enterprising air port on the upper side wall of housing.Also enterprising air port and rear air inlet can be set simultaneously, when needs are gone up return air, use cover plate that rear air inlet is covered, after needs, during return air, use cover plate that upper air inlet lid is lived.When enterprising air port and rear air inlet do not cover, the enterprising air port of airduct indoor set and rear air inlet be return air simultaneously.
As shown in figure 11, when airduct indoor set is bleed type (heat exchanger is in the blowing side of centrifugal blower), the air inlet of airduct indoor set can be for being arranged on the rear air inlet on housing rear wall, also can be for being arranged on the enterprising air port on the upper side wall of housing, can also be for being arranged on the lower air inlet in housing lower wall.Airduct indoor set also can arrange rear air inlet, enterprising air port and lower air inlet simultaneously, and corresponding cover plate is set, when needs are adopted by some way return air, with cover plate, other air inlet is covered, for example, while needing upper air inlet, with cover plate, rear air inlet, lower air inlet are covered; Need up and down can both air intake time, rear air inlet to be covered, thereby meet multiple return air demand.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
According to airduct indoor set of the present utility model, air outlet is arranged in the lower wall of housing, thereby make the air-out direction of airduct indoor set directly downward, effectively solved common small-sized household airduct indoor set and airduct need to be installed just can make the downward problem of air-out direction, the comfortableness that has improved air-out efficiency and heated.In addition, guarantee simultaneously the axle center of centrifugal blower and the horizontal minimum range between heat exchanger be L at 120mm between 200mm, guaranteeing, under the inhomogeneity condition of heat exchanger heat exchange, effectively to reduce unit width, the installation of ceiling of being more convenient for.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (11)
1. an airduct indoor set, comprise housing (10), described housing (10) inside is fixedly installed heat exchanger (20), the bottom of described heat exchanger (20) is provided with drip tray (30), one side of described heat exchanger (20) is provided with centrifugal blower (40), on described housing (10), be provided with the air inlet (11) and the air outlet (12) that lay respectively at described heat exchanger (20) both sides, it is characterized in that, described air outlet (12) is arranged in the lower wall of described housing (10), horizontal minimum range between the axle center of described centrifugal blower (40) and described heat exchanger (20) is L, and 120≤L≤200mm.
2. airduct indoor set according to claim 1, is characterized in that,
Described heat exchanger (20) is arranged on the air side of described centrifugal blower (40);
Described air inlet (11) is arranged on the rear wall of described housing (10), and described air outlet (12) is arranged in the lower wall of described housing (10) one end near the front side wall of described housing (10); Or described housing (10) inside is provided with the described air outlet (12) that makes extending to rear portion and is positioned at the air-out air channel (13) near rear wall one end of described housing (10).
3. airduct indoor set according to claim 2, is characterized in that,
Described centrifugal blower (40) comprises centrifugal blower volute (41), and described centrifugal blower volute (41) has diffusion portion (42);
Described diffusion portion (42) is positioned at the top of described housing (10) and towards described heat exchanger (20), and the top of described diffusion portion (42) is angle α 1 along the outer contour of air-out direction and the upper side wall of described housing (10), wherein, 0 °≤α is 1≤45 °.
4. airduct indoor set according to claim 1, is characterized in that,
Described heat exchanger (20) is arranged on the inlet side of described centrifugal blower (40);
Described air inlet (11) is arranged on the rear wall of described housing (10), and described air outlet (12) is arranged in the lower wall of described housing (10) one end near the front side wall of described housing (10); Or described housing (10) inside is provided with the described air outlet (12) that makes extending to rear portion and is positioned at the air-out air channel (13) near rear wall one end of described housing (10).
5. airduct indoor set according to claim 4, is characterized in that,
Described centrifugal blower (40) comprises centrifugal blower volute (41), and described centrifugal blower volute (41) has diffusion portion (42);
Described diffusion portion (42) is towards the bottom of described housing (10), and the top of described diffusion portion (42) is angle α 2 along the outer contour of air-out direction and the upper side wall of described housing (10), wherein, and 2≤90 ° of 10 °≤α; Or the bottom of described diffusion portion (42) is angle α 3 along the outer contour of air-out direction and the lower wall of described housing (10), wherein, 3≤90 ° of 0 °≤α.
6. according to the airduct indoor set described in any one in claim 1 to 5, it is characterized in that,
Described heat exchanger (20) is single folding heat exchanger, and the angle between described single folding heat exchanger and horizontal plane is θ 1, wherein, and 1≤90 ° of 20 °≤θ.
7. according to the airduct indoor set described in any one in claim 1 to 5, it is characterized in that,
Described heat exchanger (20) is two folding heat exchangers, and described two folding heat exchangers comprise the first heat exchange portion and the second heat exchange portion, between the first heat exchange portion and described the second heat exchange portion, has angle theta 2, wherein, and 2≤150 ° of 20 °≤θ.
8. airduct indoor set according to claim 7, is characterized in that, described two folding heat exchanger one bending formings, or by two separate exchangers spicing forming types.
9. according to the airduct indoor set described in any one in claim 1 to 5, it is characterized in that, described heat exchanger (20) is for being greater than many foldings heat exchanger of two foldings.
10. according to the airduct indoor set described in any one in claim 1 to 5, it is characterized in that, described airduct indoor set also comprises electric heater unit (50), and described electric heater unit (50) is arranged on described heat exchanger (20) away from a side of described air inlet (11).
11. airduct indoor sets according to claim 1, is characterized in that, described air inlet (11) is arranged at least one in rear wall, upper side wall and the lower wall of described housing (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320585145.3U CN203478536U (en) | 2013-09-22 | 2013-09-22 | Air duct indoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320585145.3U CN203478536U (en) | 2013-09-22 | 2013-09-22 | Air duct indoor unit |
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| Publication Number | Publication Date |
|---|---|
| CN203478536U true CN203478536U (en) | 2014-03-12 |
Family
ID=50226858
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320585145.3U Expired - Fee Related CN203478536U (en) | 2013-09-22 | 2013-09-22 | Air duct indoor unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202636A (en) * | 2015-10-14 | 2015-12-30 | 珠海格力电器股份有限公司 | Air conditioner refrigeration assembly, air conditioner and building structure |
| CN106051922A (en) * | 2016-07-15 | 2016-10-26 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner and air duct type air conditioner |
| EP3051221A4 (en) * | 2014-08-29 | 2016-12-21 | Qingdao Haier Air Conditioner General Corp Ltd | Wall-mounted air conditioner indoor unit |
| CN109237625A (en) * | 2018-07-28 | 2019-01-18 | 宁波奥克斯电气股份有限公司 | A kind of air-cooled ducted air conditioner |
-
2013
- 2013-09-22 CN CN201320585145.3U patent/CN203478536U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3051221A4 (en) * | 2014-08-29 | 2016-12-21 | Qingdao Haier Air Conditioner General Corp Ltd | Wall-mounted air conditioner indoor unit |
| CN105202636A (en) * | 2015-10-14 | 2015-12-30 | 珠海格力电器股份有限公司 | Air conditioner refrigeration assembly, air conditioner and building structure |
| CN106051922A (en) * | 2016-07-15 | 2016-10-26 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner and air duct type air conditioner |
| CN109237625A (en) * | 2018-07-28 | 2019-01-18 | 宁波奥克斯电气股份有限公司 | A kind of air-cooled ducted air conditioner |
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