CN102022383A - Air conditioner air duct device and air conditioner - Google Patents
Air conditioner air duct device and air conditioner Download PDFInfo
- Publication number
- CN102022383A CN102022383A CN2009101922975A CN200910192297A CN102022383A CN 102022383 A CN102022383 A CN 102022383A CN 2009101922975 A CN2009101922975 A CN 2009101922975A CN 200910192297 A CN200910192297 A CN 200910192297A CN 102022383 A CN102022383 A CN 102022383A
- Authority
- CN
- China
- Prior art keywords
- air
- accommodating part
- wind tunnel
- spiral case
- fan blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 241000237858 Gastropoda Species 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/081—Air-flow control members, e.g. louvres, grilles, flaps or guide plates for guiding air around a curve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
- F24F2013/205—Mounting a ventilator fan therein
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
The invention provides an air conditioner air duct device and an air conditioner. The invention is realized by the following technical scheme: air conditioner air duct device, wherein, from top to bottom in proper order including: the volute comprises a volute cover, an upper volute and a lower volute, wherein the upper volute and the lower volute are combined to form an air inlet located on one side face and an internal volute structure air channel, the air inlet is an air inlet of the volute structure air channel, the upper volute is provided with an air channel air outlet, the volute cover and the upper volute are combined to form an air outlet frame, and air is discharged from the air outlet frame through the air outlet frame. The air conditioner uses the air duct device and is a window type air conditioner.
Description
Technical field
The invention belongs to air-conditioning technical field, be specifically related to the air-conditioned wind tunnel device and use the air conditioner of this air-duct apparatus.
Background technique
As everyone knows, air-duct apparatus is usually used in air-conditioning system and other ventilation plant.As for air-conditioning system, air-conditioning duct is and the sad relevant part of whole heat pump performance height, and the air quantity that air-duct apparatus produces size is directly related with heat exchange efficiency, and its electrical consumption also has direct relation with air conditioner energy consumption, simultaneously, the indoor set noise also enjoys the user to pay close attention to always.
Along with the raising again and again of air-conditioning efficiency demand, original air-duct apparatus can not satisfy the needs that air quantity promotes gradually, has limited the raising of heat exchange efficiency and Energy Efficiency Ratio.If realize the growth of air quantity by increasing rotation speed of the fan, the lifting of air quantity often is accompanied by the increase of power of motor and the rising of noise under this mode.The fan suction surface is when the trailing edge, surface pressure is spent low can causing and is separated between gas and the fan blade surface, and may reflux and the generation of some eddy current, these phenomenons have harmful effect to air quantity, hinder air-flow smooth and easy flowing on blade surface, the energy that the acting of waste fan blade provides, thus air quantity reduced; In addition, the turbulent motion of gas and eddy current also are one of main sources of aerodynamic noise.
This shows that the performance that improves air conditioner by the raising air quantity is a kind of means of economical and efficient, but actual enforcement difficulty is very big.And the structure and the reduction noise performance aspect of air-duct apparatus are done further to improve, be the research and development emphasis of related domain.
Summary of the invention
The object of the present invention is to provide a kind of air-conditioned wind tunnel device and air conditioner,, when keeping noise constant, improve the inboard air quantity of air conditioner chamber, improve refrigeration, the heating performance of air conditioner simultaneously by improving the spiral case air flue structure.
The present invention is achieved through the following technical solutions:
The air-conditioned wind tunnel device, wherein: include successively from top to bottom: spiral case lid, upper volute and following spiral case, described upper volute and following spiral case are combined to form the intake grill that is positioned at a side and are positioned at inner worm frame air channel, described intake grill is the air inlet in worm frame air channel, described upper volute is provided with the air channel exhaust outlet, described spiral case lid is combined to form outlet frame with upper volute, and air is discharged through described outlet frame by described air channel exhaust outlet.
Described spiral case down comprises fan blade accommodating part and water receiving disc down, and described fan blade accommodating part down is opening arc line type up, and profile is provided with the flaring circular arc chamfering in the following fan blade accommodating part, and along air-out direction, flaring circular arc chamfering radius size increases gradually.
Air conditioner wherein, includes above-mentioned air-duct apparatus.
Described air conditioner is a window air conditioner.
To sum up, the invention has the beneficial effects as follows:
Air-conditioned wind tunnel device of the present invention and air conditioner, profile is provided with the flaring circular arc chamfering in the worm frame air channel of following spiral case part, and along air-out direction, the chamfer radius size is increasing; Improve air quantity by improving worm frame, effectively solve the air quantity problem of window air conditioner, greatly improve the systematic function of air conditioner.Use on window air conditioner, it is about 13% that air quantity improves, and refrigerating capacity improves 5%, and EER improves 4%.
Description of drawings
Fig. 1 is the perspective view of the preferred embodiment of air-conditioned wind tunnel device of the present invention;
Fig. 2 is the decomposition texture schematic representation of the preferred embodiment of air-conditioned wind tunnel device of the present invention;
Fig. 3 is the forward part longitudinal profile perspective view of the preferred embodiment of air-conditioned wind tunnel device of the present invention;
Fig. 4 is the rear section longitudinal profile perspective view of the preferred embodiment of air-conditioned wind tunnel device of the present invention;
Fig. 5 is the longitudinal profile structural representation of the preferred embodiment of air-conditioned wind tunnel device of the present invention;
Fig. 6 is the structural representation of the following spiral case of air-conditioned wind tunnel device of the present invention;
Fig. 7 is the structural representation of the upper volute of air-conditioned wind tunnel device of the present invention;
Fig. 8 is the structural representation of the spiral case lid of air-conditioned wind tunnel device of the present invention.
Description of reference numerals:
1, spiral case lid, 2, upper volute, 3, spiral case down, 4, intake grill, 5, worm frame air channel, 7, outlet frame, 11, go up air-out wall, 12, second bump, 13, second breach, 21, the snail tongue, 22, through hole, 23, following air-out wall, 24, breach, 25, bump, 26, go up the fan blade accommodating part, 27, air baffle, 28, first side plate, 31, following fan blade accommodating part, 32, water receiving disc, 61, the flaring circular arc chamfering.
Embodiment
In order further to set forth technological means and the effect that the present invention adopts in order to reach goal of the invention, below in conjunction with accompanying drawing and preferred embodiment, to its embodiment of window air conditioner spiral case air flue structure, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
The present invention discloses a kind of air-conditioned wind tunnel device, shown in Fig. 1,2,3,4,7, wherein, wherein: include successively from top to bottom: spiral case lid 1, upper volute 2 and following spiral case 3, described upper volute 2 and following spiral case 3 are combined to form the intake grill 4 that is positioned at a side and are positioned at inner worm frame air channel 5, described intake grill 4 is the air inlet in worm frame air channel 5, described upper volute 2 is provided with air channel exhaust outlet 22, described spiral case lid 1 is combined to form outlet frame 7 with upper volute 2, and air is discharged through described outlet frame 7 by described air channel exhaust outlet 22.
Shown in Fig. 5,6, described spiral case 3 down comprises fan blade accommodating part 31 and water receiving disc 32 down, and described fan blade accommodating part 31 down is opening arc line type up, and fan blade accommodating part 31 interior profiles are provided with flaring circular arc chamfering 61 down, and along air-out direction, flaring circular arc chamfering 61 radius size increase gradually.
Described upper volute 2 comprises fan blade accommodating part 26 and air baffle 27, the described fan blade accommodating part 26 of going up cooperates formation fan blade accommodating part with following fan blade accommodating part, as shown in Figure 7, the angle that forms of first side plate 28 of last fan blade accommodating part and air baffle 27 is along increasing gradually perpendicular to air-out direction.
Described spiral case lid 1 is formed with lead accommodating part 8 with the sides adjacent that upper volute 2 is combined to form outlet frame 7.
Described worm frame air channel 5 includes the air channel face of spiral curved-surface structure, and described flaring circular arc chamfering 61 is positioned at the front and rear of air channel face.
Shown in Fig. 2,3,4,5, described upper volute 2 is provided with snail tongue 21, is positioned at the end in worm frame air channel 5; The distance H at the end of described snail tongue 21 and center, worm frame air channel be the worm frame air channel radius R 1/3rd to 1/2nd; Spiral case air flue structure of the present invention has compared with prior art dwindled the exhaust outlet at snail tongue place.
The present invention is in order to improve the inboard air quantity of air conditioner chamber, we are in the enterprising sector-style of spiral case road optimal design, inside, air channel is designed to worm frame, and the air channel inner outline has been carried out the rounding processing, and along the increasing exhaust outlet that dwindles snail tongue place of air-out direction chamfering.
Shown in Fig. 7,8, the top of described upper volute 2 is provided with the following air-out wall 23 of curve form.The bottom of described spiral case lid 1, be provided with curve form with following air-out wall 23 shapes corresponding on air-out wall 11.
Described down air-out wall 23 combine the curved surface of the similar quadrant in formation cross section with last air-out wall 11, be positioned at the rear portion and the sidepiece of described outlet frame 7, and states curved surface and last fan blade accommodating part in place, outlet frame rear portion and be positioned at same plane.
Be formed with the breach 24 and the bump 25 that are ladder-type on the described upper volute 2, described spiral case lid 1 is provided with second bump 12 and second breach 13 that matches with the breach 24 and the bump 25 of ladder-type.
In conjunction with Fig. 1 to Fig. 8 spiral case air flue structure of the present invention the air channel interior line has been carried out the streamline processing, reduced air flow resistance, made air-out smooth more.
Air conditioner wherein, includes above-mentioned air-duct apparatus.
Described air conditioner is a window air conditioner.
Below, describe the window air conditioner spiral case air flue structure of the present invention that as above constitutes in detail in the blower fan function situation of blowing.
When air-conditioning draught fan moved, centrifugal cutter was blown along the air channel, and the inner lines slyness of spiral case air flue structure can reduce the resistance of air flows greatly, has also avoided the generation of vortex to a certain extent, has increased air quantity; Snail tongue place exhaust outlet reduces, and outlet frame is the fan-shaped of similar quadrant shape, and the air-out air quantity is concentrated, and reduces wind loss.
The window air conditioner spiral case air flue structure of the invention process example is used on the window machine, and air quantity is brought up to 500~520M^3/H by 440~460M^3/H, and it is about 13% that air quantity improves, and refrigerating capacity improves 5%, and EER improves 4%.
The above, it only is preferred embodiment of the present invention, be not that the present invention is imposed any restrictions, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, anyly be familiar with this special-purpose technician, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, but the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (10)
1. air-conditioned wind tunnel device, it is characterized in that: include successively from top to bottom: spiral case lid (1), upper volute (2) and following spiral case (3), described upper volute (2) and following spiral case (3) are combined to form the intake grill (4) that is positioned at a side and are positioned at inner worm frame air channel (5), described intake grill (4) is the air inlet of worm frame air channel (5), described upper volute (2) is provided with air channel exhaust outlet (22), described spiral case lid (1) is combined to form outlet frame (7) with upper volute (2), and air is discharged through described outlet frame (7) by described air channel exhaust outlet (22).
2. air-conditioned wind tunnel device according to claim 1, it is characterized in that: described spiral case (3) down comprises fan blade accommodating part (31) and water receiving disc (32) down, described fan blade accommodating part down is opening arc line type up, and profile is provided with flaring circular arc chamfering (61) in the following fan blade accommodating part, and along air-out direction, flaring circular arc chamfering (61) radius size increases gradually.
3. air-conditioned wind tunnel device according to claim 2, it is characterized in that: described upper volute (2) comprises fan blade accommodating part (26) and air baffle (27), described upward fan blade accommodating part (26) cooperates formation fan blade accommodating part with following fan blade accommodating part, and upward first side plate (28) of fan blade accommodating part increases perpendicular to air-out direction gradually with the angle edge that air baffle (27) forms.
4. air-conditioned wind tunnel device according to claim 3 is characterized in that: described spiral case lid (1) is formed with lead accommodating part (8) with the sides adjacent that upper volute (2) is combined to form outlet frame (7).
5. air-conditioned wind tunnel device according to claim 1 is characterized in that: described upper volute (2) is provided with snail tongue (21), is positioned at the end of worm frame air channel (5); The distance H at the end of described snail tongue (21) and center, worm frame air channel be the worm frame air channel radius R 1/3rd to 1/2nd.
6. air-conditioned wind tunnel device according to claim 1 is characterized in that: the top of described upper volute (2) is provided with the following air-out wall (23) of curve form.
7. air-conditioned wind tunnel device according to claim 6 is characterized in that: the bottom of described spiral case lid (1), be provided with curve form with following air-out wall (23) shape corresponding on air-out wall (11).
8. air-conditioned wind tunnel device according to claim 7, it is characterized in that: described air-out wall (23) down combines the curved surface that forms the similar quadrant in cross section with last air-out wall (11), be positioned at the rear portion and the sidepiece of described outlet frame (7), and state curved surface in place, outlet frame rear portion and be positioned at same plane with last fan blade accommodating part.
9. air-conditioned wind tunnel device according to claim 1, it is characterized in that: be formed with the breach (24) and the bump (25) that are ladder-type on the described upper volute (2), described spiral case lid (1) is provided with second bump (12) and second breach (13) that matches with the breach (24) and the bump (25) of ladder-type.
10. air conditioner is characterized in that: include as any one described air-conditioned wind tunnel device in the claim 1 to 9.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009101922975A CN102022383B (en) | 2009-09-11 | 2009-09-11 | air conditioner air duct device and air conditioner |
PCT/CN2010/076640 WO2011029376A1 (en) | 2009-09-11 | 2010-09-06 | Air duct device for air conditioner and air conditioner utilizing it |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009101922975A CN102022383B (en) | 2009-09-11 | 2009-09-11 | air conditioner air duct device and air conditioner |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102022383A true CN102022383A (en) | 2011-04-20 |
CN102022383B CN102022383B (en) | 2012-07-25 |
Family
ID=43732000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009101922975A Active CN102022383B (en) | 2009-09-11 | 2009-09-11 | air conditioner air duct device and air conditioner |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN102022383B (en) |
WO (1) | WO2011029376A1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102954536A (en) * | 2011-08-30 | 2013-03-06 | 珠海格力电器股份有限公司 | air conditioner |
CN105546666A (en) * | 2016-01-05 | 2016-05-04 | 青岛海尔空调器有限总公司 | Window type air conditioner |
CN108488096A (en) * | 2018-05-24 | 2018-09-04 | 珠海格力电器股份有限公司 | Volute component and air conditioner |
CN108661950A (en) * | 2018-06-15 | 2018-10-16 | 广东美的制冷设备有限公司 | Spiral case, wind turbine and refrigeration equipment |
CN108844209A (en) * | 2018-09-04 | 2018-11-20 | 奥克斯空调股份有限公司 | A kind of ducting assembly and air conditioner |
CN109000351A (en) * | 2018-09-04 | 2018-12-14 | 奥克斯空调股份有限公司 | A kind of ducting assembly and air conditioner |
CN109237779A (en) * | 2018-11-06 | 2019-01-18 | 珠海格力电器股份有限公司 | Air duct structure of fan heater and wall-mounted fan heater |
WO2021218292A1 (en) * | 2020-05-25 | 2021-11-04 | 青岛海尔空调器有限总公司 | Centrifugal fan and window air conditioner with same |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203478579U (en) * | 2013-09-30 | 2014-03-12 | 珠海格力电器股份有限公司 | Support assembly for indoor unit of cabinet |
CN104807080B (en) * | 2014-08-29 | 2017-08-01 | 青岛海尔空调器有限总公司 | A kind of wall-hanging indoor unit of air conditioner |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU576905B2 (en) * | 1984-10-18 | 1988-09-08 | Mitsubishi Denki Kabushiki Kaisha | Integral type air conditioning apparatus |
CN1108498C (en) * | 1996-12-11 | 2003-05-14 | 运载器有限公司 | Air conditioner outdoor section construction |
WO1998026231A1 (en) * | 1996-12-11 | 1998-06-18 | Springer Carrier S/A | Air conditioner outdoor section construction |
KR100217118B1 (en) * | 1997-05-29 | 1999-09-01 | 전주범 | Indoor blockage wall body of window type airconditioner |
US6276156B1 (en) * | 1997-12-30 | 2001-08-21 | Carrier Corporation | Air directing assembly for a room air conditioner |
CN1166901C (en) * | 1997-12-30 | 2004-09-15 | 开利公司 | Air directing assembly for room air conditioner |
US6339935B1 (en) * | 2001-05-16 | 2002-01-22 | Carrier Corporation | Evaporator scroll for blower wheel |
CN1955579A (en) * | 2005-10-28 | 2007-05-02 | 乐金电子(天津)电器有限公司 | Window-type air conditioner |
CN2916454Y (en) * | 2006-02-17 | 2007-06-27 | 广东科龙电器股份有限公司 | Small-sized window type air conditioner |
CN201513385U (en) * | 2009-09-11 | 2010-06-23 | 珠海格力电器股份有限公司 | Air conditioner air duct device and air conditioner |
-
2009
- 2009-09-11 CN CN2009101922975A patent/CN102022383B/en active Active
-
2010
- 2010-09-06 WO PCT/CN2010/076640 patent/WO2011029376A1/en active Application Filing
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102954536B (en) * | 2011-08-30 | 2015-03-04 | 珠海格力电器股份有限公司 | air conditioner |
CN102954536A (en) * | 2011-08-30 | 2013-03-06 | 珠海格力电器股份有限公司 | air conditioner |
CN105546666B (en) * | 2016-01-05 | 2019-05-31 | 青岛海尔空调器有限总公司 | Window air conditioner |
CN105546666A (en) * | 2016-01-05 | 2016-05-04 | 青岛海尔空调器有限总公司 | Window type air conditioner |
CN108488096A (en) * | 2018-05-24 | 2018-09-04 | 珠海格力电器股份有限公司 | Volute component and air conditioner |
CN108661950A (en) * | 2018-06-15 | 2018-10-16 | 广东美的制冷设备有限公司 | Spiral case, wind turbine and refrigeration equipment |
CN108661950B (en) * | 2018-06-15 | 2024-08-23 | 广东美的制冷设备有限公司 | Volute, fan and refrigeration equipment |
CN109000351A (en) * | 2018-09-04 | 2018-12-14 | 奥克斯空调股份有限公司 | A kind of ducting assembly and air conditioner |
CN109000351B (en) * | 2018-09-04 | 2023-07-18 | 奥克斯空调股份有限公司 | Air duct assembly and air conditioner |
CN108844209B (en) * | 2018-09-04 | 2023-07-18 | 奥克斯空调股份有限公司 | Air duct assembly and air conditioner |
CN108844209A (en) * | 2018-09-04 | 2018-11-20 | 奥克斯空调股份有限公司 | A kind of ducting assembly and air conditioner |
CN109237779A (en) * | 2018-11-06 | 2019-01-18 | 珠海格力电器股份有限公司 | Air duct structure of fan heater and wall-mounted fan heater |
CN109237779B (en) * | 2018-11-06 | 2024-04-16 | 珠海格力电器股份有限公司 | Air duct structure of warm air blower and wall-mounted warm air blower |
WO2021218292A1 (en) * | 2020-05-25 | 2021-11-04 | 青岛海尔空调器有限总公司 | Centrifugal fan and window air conditioner with same |
Also Published As
Publication number | Publication date |
---|---|
WO2011029376A1 (en) | 2011-03-17 |
CN102022383B (en) | 2012-07-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102022383B (en) | air conditioner air duct device and air conditioner | |
CN104864499B (en) | A kind of wall-hanging air conditioner | |
CN201513385U (en) | Air conditioner air duct device and air conditioner | |
CN102900676B (en) | Cross-flow fan | |
CN202140322U (en) | Cross-flow fan | |
CN104864498A (en) | Wall-mounted air conditioner | |
CN2539093Y (en) | Decorative surface plate for air-conditioner | |
CN104566636B (en) | Air duct machine and air conditioner with same | |
CN102538076A (en) | Domestic packaged air conditioner capable of sucking air from bottom and exhausting air from top | |
CN104848420B (en) | A kind of wall-hanging air conditioner | |
CN203374522U (en) | Volute and air hose unit | |
CN109114673A (en) | Cabinet air-conditioner and air conditioner | |
CN102401432B (en) | Window air conditioner | |
CN201851403U (en) | Air conditioner air duct device and air conditioner | |
CN208779562U (en) | Cabinet air-conditioner and air conditioner | |
CN204880381U (en) | Air conditioner indoor unit and air conditioner | |
CN203518022U (en) | Air duct machine | |
CN104566626B (en) | Air duct machine | |
CN110986169B (en) | Air duct assembly for distributing air and air conditioner | |
WO2023142932A1 (en) | Air channel assembly and air conditioning device having same | |
CN101915244A (en) | Through-flow fan of noise-reduction and air-enlargement volute tongue with convex table | |
CN208779561U (en) | Cabinet air-conditioner and air conditioner | |
CN101900381B (en) | All-in-one air conditioner | |
CN203501326U (en) | Air pipe indoor unit | |
CN202470234U (en) | Household cabinet air conditioner with bottom air inlets and top air outlet |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |