CN109059232B - Air duct structure and air conditioner - Google Patents
Air duct structure and air conditioner Download PDFInfo
- Publication number
- CN109059232B CN109059232B CN201811243723.9A CN201811243723A CN109059232B CN 109059232 B CN109059232 B CN 109059232B CN 201811243723 A CN201811243723 A CN 201811243723A CN 109059232 B CN109059232 B CN 109059232B
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- tongue
- air duct
- volute
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- air
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- 238000010276 construction Methods 0.000 claims 2
- 210000002105 tongue Anatomy 0.000 description 126
- 238000010586 diagram Methods 0.000 description 3
- 230000037237 body shape Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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
- F24F13/02—Ducting arrangements
-
- 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
- F24F13/24—Means for preventing or suppressing noise
-
- 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
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
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- 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)
Abstract
The invention provides an air duct structure and an air conditioner, and relates to the technical field of air conditioners. The air duct structure comprises a volute cover and a volute seat, wherein a first tongue body is arranged on the volute cover, a second tongue body is arranged on the volute seat, the volute cover and the volute seat are detachably connected, a first air duct and a second air duct which are mutually communicated are formed, the first tongue body is connected with the second tongue body to form a first tongue, and the volute cover is provided with a second tongue. The first tongue body and the second tongue body extend outwards from the air duct opening of the first air duct, and the second volute tongue is arranged towards the air duct opening of the second air duct. The first volute tongue is provided with a first inclination angle, the second volute tongue is provided with a second inclination angle, the value range of the first inclination angle is 90-160 degrees, and the value range of the second inclination angle is 90-135 degrees. The air duct structure and the air conditioner provided by the invention can ensure smooth air outlet and simultaneously reduce noise better.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air duct structure and an air conditioner.
Background
The movable air conditioner breaks through the traditional design concept, has small body shape, high energy efficiency ratio, low noise and no need of installation, and can be placed in different houses at will.
The outer air channel of the mobile air conditioner can be composed of a volute cover and a volute seat, one half of the inner cavity of the existing outer air channel is arranged on the volute cover, the other half of the inner cavity of the existing outer air channel is arranged on the volute seat, and the volute cover is matched with the volute seat to form the outer air channel. The outside air duct is provided with a volute tongue, but the volute tongue still can cause a volute phenomenon, and high noise is generated.
Disclosure of Invention
In view of the above, the present invention aims to provide an air duct structure, which can ensure smooth air outlet and better noise reduction.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
The utility model provides an air duct structure, air duct structure includes spiral case lid and spiral case seat, be provided with first tongue on the spiral case lid, be provided with the second tongue on the spiral case seat, spiral case lid with spiral case seat can dismantle the connection to form first wind channel and the second wind channel of mutual intercommunication, first tongue with the second tongue is connected and is formed first spiral tongue, spiral case lid is provided with the second spiral tongue. The first tongue body and the second tongue body extend outwards from the air duct opening of the first air duct, and the second volute tongue is arranged towards the air duct opening of the second air duct. The first volute tongue is provided with a first inclination angle, the second volute tongue is provided with a second inclination angle, the value range of the first inclination angle is 90-160 degrees, and the value range of the second inclination angle is 90-135 degrees.
Optionally, the first volute tongue includes a first extension section and set up in the first inclination section of first extension section, first extension section follow the wind channel mouth in first wind channel is to the second wind channel extends, first inclination section set up in the second volute tongue, first inclination is the inclination of first inclination.
Optionally, the second volute tongue includes the second extension section and set up in the second slope section of second extension section, the second extension section set up in the first slope section and extend to the second slope section, the second slope section set up in the inner wall in second wind channel, the inclination of first slope section relative to the second extension section is first inclination, the inclination of second slope section relative to the second extension section is the second inclination.
Optionally, the first inclination angle is larger than the second inclination angle.
Optionally, the air outlet of the second air duct is provided with an air outlet section, the length of the air outlet section along the axis of the second air duct is smaller than or equal to the length of the second volute tongue, and the length of the air outlet section along the axis of the second air duct is also smaller than or equal to the length of the first volute tongue along the axis of the second air duct.
Optionally, the length of the first volute tongue along the second air duct axis is greater than or equal to the length of the second volute tongue along the second air duct axis.
Optionally, the length of the air outlet section ranges from 4 mm to 10mm, the length of the first volute tongue ranges from 8 mm to 20mm, and the length of the second volute tongue ranges from 6mm to 15 mm.
Optionally, the length of the first tongue is greater than the length of the second tongue, and the length of the first tongue is also greater than or equal to the length of the second volute tongue.
Optionally, the air duct structure further comprises a centrifugal wind wheel, and the centrifugal wind wheel is installed in the first air duct.
Compared with the prior art, the air duct structure has the following advantages:
When the air duct structure is applied to the fan structure, the wind wheel is installed close to the first air duct, and air flow is discharged from the first air duct to the second air duct and from the air outlet of the second air duct. That is, the first air duct is located on the inner side, and the second air duct is located on the outer side. When the existing air duct is used, the second air duct on the outer side is easy to generate a volute phenomenon, so that exhaust air and noise are influenced. According to the air duct structure provided by the invention, the first inclination angle is a value in the range of 90-135 degrees, the second inclination angle is a value in the range of 90-160 degrees, and no volute air phenomenon is generated when air flows through the first volute tongue and the second volute tongue, so that air outlet is smooth. In addition, when the first inclination angle and the second inclination angle are within the above-described range, the noise of the airflow can be reduced. When the air duct structure is applied to an air conditioner, the noise of the air conditioner can be reduced, and the running low noise of the air conditioner is ensured.
Another object of the present invention is to provide an air conditioner, which can ensure smooth air outlet and better noise reduction.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
An air conditioner comprises an air duct structure. The air duct structure comprises a volute cover and a volute seat, wherein a first tongue body is arranged on the volute cover, a second tongue body is arranged on the volute seat, the volute cover and the volute seat are detachably connected, a first air duct and a second air duct which are mutually communicated are formed, the first tongue body is connected with the second tongue body to form a first volute tongue, and the volute cover is provided with a second volute tongue. The first tongue body and the second tongue body extend outwards from the air duct opening of the first air duct, and the second volute tongue is arranged towards the air duct opening of the second air duct. The first volute tongue is provided with a first inclination angle, the second volute tongue is provided with a second inclination angle, the value range of the first inclination angle is 90-160 degrees, and the value range of the second inclination angle is 90-135 degrees.
The air conditioner has the same advantages as the air duct structure compared with the prior art, and the description is omitted herein.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic structural diagram of an air duct structure according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the structure at II in FIG. 1;
FIG. 3 is a schematic view of the structures of the first volute tongue and the second volute tongue according to the embodiment of the invention;
FIG. 4 is a schematic structural diagram of a first air duct and a second air duct according to an embodiment of the present invention;
FIG. 5 is an enlarged schematic view of the structure shown at V in FIG. 4;
FIG. 6 is a schematic diagram of length labels of an air outlet section, a first volute tongue and a second volute tongue according to an embodiment of the present invention;
FIG. 7 is a schematic illustration of the first volute tongue and the second volute tongue according to the embodiment of the invention with the same cross section;
Fig. 8 is a schematic illustration of labeling of a first inclination angle and a second inclination angle according to an embodiment of the present invention.
Icon: 1-an air duct structure; 2-a first air duct; 3-a second air duct; 4-a first volute tongue; 5-a second volute tongue; 6-a first extension; 7-a first inclined section; 8-a second extension; 9-a second sloped section; 10-an air outlet section; 11-volute cover; 12-a volute receptacle; 13-a first tongue; 14-a second tongue; 15-centrifugal wind wheel.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
First embodiment
Referring to fig. 1 to 8, the present embodiment provides an air duct structure 1, which can ensure smooth air outlet and better noise reduction.
It should be noted that, the air duct structure 1 provided in this embodiment may be used in a fan structure to ensure air outlet of a fan and reduce noise of the fan. Further, the air duct structure 1 provided in this embodiment may be used in an air conditioner to ensure smooth air outlet of the air conditioner, and also enable the air conditioner to reduce noise better.
Referring to fig. 1 to 4in combination, the air duct structure 1 provided in this embodiment includes a volute cover 11 and a volute seat 12, a first tongue 13 is disposed on the volute cover 11, a second tongue 14 is disposed on the volute seat 12, the volute cover 11 and the volute seat 12 are detachably connected to form a first air duct 2 and a second air duct 3 that are mutually communicated, the first tongue 13 is connected with the second tongue 14 to form a first tongue 4, and the volute cover 11 is provided with a second tongue 5. The first tongue body 13 and the second tongue body 14 are arranged to extend outwards from the air duct opening of the first air duct 2, and the second volute tongue 5 is arranged towards the air duct opening of the second air duct 3. The first volute tongue 4 has a first inclination angle, the second volute tongue 5 has a second inclination angle, the value range of the first inclination angle is 90-160 degrees, and the value range of the second inclination angle is 90-135 degrees.
It should be noted that, the first inclination and the second inclination are both obtuse angles, so as to further ensure smooth circulation of the air flow and further reduce noise to a greater extent. The cross-sectional positions of the first volute tongue 4 and the second volute tongue 5 are shown in fig. 3, and in fig. 3, the cross-section taken along the illustrated cross-sectional line is shown in fig. 4 to 8. Wherein fig. 4 is a cross-sectional view of the blower structure as a whole, and a first cross-sectional height and a second cross-sectional height are shown in fig. 7. Each parameter mentioned in this embodiment may refer to a section cut along a section line shown in fig. 3 when referring to the section. The first inclination angle of the first volute tongue 4 and the second inclination angle of the second volute tongue 5 under the section are valued in the above-mentioned range, so that smooth air outlet is ensured, and noise reduction is better. Meanwhile, as shown in FIG. 8, the first inclination angle is schematically shown asThe second inclination angle is shown as/> The value range of (2) is 90-160 DEG, which is/>The range of the value of (2) is 90-135 degrees. Optionally, the first inclination angle/>And a second inclination angle/>The angle values of (2) are not equal. For example, the first angle of inclination is greater than the second angle of inclination.
Optionally, the air outlet of the second air duct 3 is provided with an air outlet section 10, the air outlet section 10 and the second extending section 8 are parallel to each other, at this time, the inclination angle of the second inclined section 9 and the air outlet section 10, the inclination angle of the second inclined section 9 and the second extending section 8 are equal, and the two inclination angles are equal (the internal stagger angles of parallel straight lines are equal).
Further, the first inclination angle is larger than the second inclination angle, i.e. the first inclination section 7 and the second extension section 8 are more gentle, and the second inclination section 9 and the second extension section 8 are steeper.
When the air duct structure 1 is applied to a fan structure, the wind wheel is installed close to the first air duct 2, and air flow is discharged from the first air duct 2 to the second air duct 3 and from an air outlet of the second air duct 3. That is, the first air duct 2 is located at the inner side and the second air duct 3 is located at the outer side. When the existing air duct is used, the position of the second air duct 3 on the outer side is easy to generate a volute phenomenon, so that exhaust air and noise are influenced. In the air duct structure 1 provided in this embodiment, the first inclination angle is set to be a value within the range of 90-160 degrees, and the second inclination angle is set to be a value within the range of 90-135 degrees, so that no vortex phenomenon is generated when air flows through the first volute tongue 4 and the second volute tongue 5, and air outlet is smooth. In addition, when the first inclination angle and the second inclination angle are within the above-described range, the noise of the airflow can be reduced. When the air duct structure 1 provided by the embodiment is applied to an air conditioner, the noise of the air conditioner can be reduced, and the running low noise of the air conditioner is ensured.
In addition, it should be noted that, the first volute tongue 4 and the second volute tongue 5 are disposed on the inner wall of the second air duct 3, and the number thereof is not specifically limited; that is, the number of the first and second tongues 4, 5 may be set according to different usage scenarios. The first volute tongue 4 and the second volute tongue 5 are formed in pairs, or after a pair of the first volute tongue 4 and the second volute tongue 5 is formed, the first volute tongue 4 and the second volute tongue 5 may be respectively disposed. When the first volute tongue 4 and the second volute tongue 5 are present in a plurality of pairs, they may be arranged in a uniformly spaced manner.
Alternatively, the first volute tongue 4 has a first cross-sectional height, the second volute tongue 5 has a second cross-sectional height, and the first cross-sectional height is equal to the second cross-sectional height. It will be appreciated that the cross-section described above may be along the section line shown in fig. 3.
It should be noted that, the cross-sectional positions of the first volute tongue 4 and the second volute tongue 5 are as shown in fig. 7, and the first cross-sectional height of the first volute tongue 4 and the second cross-sectional height of the second volute tongue 5 are kept substantially equal under the cross-section, so as to ensure smooth air outlet and better noise reduction. Further, it should be understood that the first section height and the second section height are substantially equal, meaning that they are substantially equal in value, with an error range of around 10%. In fig. 7, the first section height is indicated as E, the second section height is indicated as D, and D is substantially equal to E. Optionally, the values of the first section height and the second section height are both 4-15 mm. That is, D and E are each between 4 and 15 mm.
Referring to fig. 5, optionally, the first volute tongue 4 includes a first extension section 6 and a first inclined section 7 disposed on the first extension section 6, the first extension section 6 extends from the air duct opening of the first air duct 2 to the second air duct 3, and the first inclined section 7 is disposed on the second volute tongue 5. Referring to FIG. 8, a first inclination angleIs the inclination angle of the first inclined section 7; referring to fig. 7, the height E of the first inclined section 7 is the first cross-sectional height.
Optionally, the second volute tongue 5 includes a second extension section 8 and a second inclined section 9 disposed on the second extension section 8, the second extension section 8 is disposed on the first inclined section 7 and extends to the second inclined section 9, the second inclined section 9 is disposed on an inner wall of the second air duct 3, and an inclination angle of the first inclined section 7 relative to the second extension section 8 is a first inclination angle. Referring to fig. 8, the second inclined section 9 is inclined with respect to the second extending section 8A second inclination angle; in connection with fig. 7, the height D of the second inclined section 9 is the second cross-sectional height.
Alternatively, the first extension section 6 and the first inclined section 7 may be integrally formed with the inner wall of the second air duct 3, the second extension section 8 and the second inclined section 9 may be integrally formed with the inner wall of the second air duct 3, that is, when the first tongue 13 may be integrally formed with the volute cover 11, and the second tongue 14 may be integrally formed with the volute receptacle 12.
It should be noted that, since the cross section of the second air duct 3 may be arc-shaped or circular, the first volute tongue 4 and the second volute tongue 5 are different in distance from the central axis of the second air duct 3, for example, the first volute tongue 4 is closer to the central axis than the second volute tongue 5. Similarly, the two end parts of the first inclined section 7 are different in distance from the central axis, and the end part of the first inclined section 7, which is close to the first air duct 2, is closer to the central axis than the other end part; the second inclined section 9 has both end portions thereof spaced apart from the central axis, and the end portion of the second inclined section 9 adjacent to the second extended section 8 is closer to the central axis than the other end portion.
Optionally, the first extension section 6 is arc-shaped, and two ends of the first extension section 6 are respectively connected with the first air duct 2 and the first inclined part, so that the air guide is more convenient due to the arc-shaped arrangement.
Optionally, the second extension section 8 is arranged parallel to the second air duct 3, and two ends of the second extension section 8 are respectively connected with the first inclined section 7 and the second inclined section 9.
Optionally, the length of the air outlet section 10 is smaller than or equal to the length of the second volute tongue 5, and the length of the air outlet section 10 is also smaller than or equal to the length of the first volute tongue 4, where the length is the length of the first volute tongue 4 and the second volute tongue 5 along the central axis of the second air duct 3.
Optionally, the length of the first volute tongue 4 is greater than or equal to the length of the second volute tongue 5.
Optionally, the length of the air outlet section 10 ranges from 4 to 10 mm, the length of the first volute tongue 4 ranges from 8 to 20 mm, and the length of the second volute tongue 5 ranges from 6 to 15 mm.
As shown in FIG. 6, the length of the air outlet section 10 is denoted by A, the length of the second volute tongue 5 is denoted by B, the length of the first volute tongue 4 is denoted by C, and the relationship between A, B, C is A.ltoreq.B.ltoreq.C; optionally, the value range of A is 4-10 mm, the value range of B is 6-15 mm, and the value range of C is 8-20 mm.
The air duct structure 1 provided in this embodiment may be configured in a manner of connection after split molding. Optionally, the air duct structure 1 includes a scroll cover 11 and a scroll seat 12, where the scroll cover 11 and the scroll seat 12 are detachably connected, and form the first air duct 2 and the second air duct 3.
In this embodiment, the volute cover 11 is provided with a first tongue 13, the volute seat 12 is provided with a second tongue 14, the first tongue 13 and the second tongue 14 are abutted to form a first volute tongue 4, and the second volute tongue 5 is disposed on the volute cover 11. Alternatively, the first tongue 13 may be integrally formed with the volute casing cover 11, the second tongue 14 may be integrally formed with the volute casing base 12, and the second tongue 5 may be integrally formed with the volute casing cover 11.
It will be appreciated that the first tongue 13 and the second tongue 14 respectively represent portions of the first volute tongue 4 on the volute casing cover 11 and the volute casing base 12, and that the first volute tongue 4 is formed by the first tongue 13 and the second tongue 14. Optionally, the second volute tongue 5 is integrally disposed on the volute cover 11.
Optionally, the length of the first tongue 13 is greater than the length of the second tongue 14; further, the length of the first tongue 13 is also greater than or equal to the length of the second volute tongue 5.
The lengths of the first volute tongue 4 and the second volute tongue 5 refer to the lengths of the first volute tongue 4 and the second volute tongue 5 in a radial cross section of the second air duct 3, which cross section is perpendicular to the cross section line shown in fig. 3.
Optionally, the air duct structure 1 further includes a centrifugal wind wheel 15, the centrifugal wind wheel 15 is mounted on the first air duct 2, and the centrifugal wind wheel 15 is used for driving gas to flow.
Second embodiment
Referring to fig. 1 to 8 in combination, the present embodiment provides an air conditioner (not shown) including the above air duct structure, which can ensure smooth air outlet and better noise reduction.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. The utility model provides an air duct structure, its characterized in that, air duct structure (1) includes spiral case lid (11) and spiral case seat (12), be provided with first tongue (13) on spiral case lid (11), be provided with second tongue (14) on spiral case seat (12), spiral case lid (11) and spiral case seat (12) are dismantled and are connected to form first wind channel (2) and second wind channel (3) that communicate each other, first tongue (13) with second tongue (14) are connected and are formed first spiral tongue (4), spiral case lid (11) are provided with second spiral tongue (5);
The first tongue body (13) and the second tongue body (14) are arranged to extend outwards from the air duct opening of the first air duct (2), and the second volute tongue (5) is arranged towards the air duct opening of the second air duct (3);
The first volute tongue (4) is provided with a first inclination angle, the second volute tongue (5) is provided with a second inclination angle, the value range of the first inclination angle is 90-160 degrees, and the value range of the second inclination angle is 90-135 degrees;
The first volute tongue (4) comprises a first extension section (6) and a first inclined section (7) arranged on the first extension section (6), the first extension section (6) extends from an air duct opening of the first air duct (2) to the second air duct (3), the first inclined section (7) is arranged on the second volute tongue (5), and the first inclined angle is the inclined angle of the first inclined section (7);
The second volute tongue (5) comprises a second extending section (8) and a second inclined section (9) arranged on the second extending section (8), the second extending section (8) is arranged on the first inclined section (7) and extends to the second inclined section (9), the second inclined section (9) is arranged on the inner wall of the second air duct (3), the inclination angle of the first inclined section (7) relative to the second extending section (8) is the first inclination angle, and the inclination angle of the second inclined section (9) relative to the second extending section (8) is the second inclination angle;
The length of the first tongue body (13) is greater than that of the second tongue body (14), and the length of the first tongue body (13) is also greater than or equal to that of the second volute tongue (5).
2. The duct structure of claim 1, wherein the first angle of inclination is greater than the second angle of inclination.
3. The air duct structure according to claim 1, characterized in that an air outlet of the second air duct (3) is provided with an air outlet section (10), a length of the air outlet section (10) along the axis of the second air duct (3) is smaller than or equal to a length of the second volute tongue (5), and a length of the air outlet section (10) along the axis of the second air duct (3) is also smaller than or equal to a length of the first volute tongue (4) along the axis of the second air duct (3).
4. A duct structure according to claim 3, characterized in that the length of the first volute tongue (4) along the axis of the second duct (3) is greater than or equal to the length of the second volute tongue (5) along the axis of the second duct (3).
5. A wind tunnel structure according to claim 3, wherein the length of the wind outlet section (10) is in the range of 4-10 mm, the length of the first volute tongue (4) is in the range of 8-20 mm, and the length of the second volute tongue (5) is in the range of 6-15 mm.
6. A wind tunnel construction according to any of claims 1-5, wherein the wind tunnel construction (1) further comprises a centrifugal wind wheel (15), the centrifugal wind wheel (15) being mounted to the first wind tunnel (2).
7. An air conditioner comprising a duct structure (1) as claimed in any one of claims 1 to 6.
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CN201811243723.9A CN109059232B (en) | 2018-10-24 | 2018-10-24 | Air duct structure and air conditioner |
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CN201811243723.9A CN109059232B (en) | 2018-10-24 | 2018-10-24 | Air duct structure and air conditioner |
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CN109059232A CN109059232A (en) | 2018-12-21 |
CN109059232B true CN109059232B (en) | 2024-05-10 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0930472A2 (en) * | 1998-01-19 | 1999-07-21 | Mitsubishi Denki Kabushiki Kaisha | Cross flow fan |
KR20060094141A (en) * | 2005-02-23 | 2006-08-29 | 한라공조주식회사 | Rear air conditioner for vehicle |
WO2011016152A1 (en) * | 2009-08-05 | 2011-02-10 | 三菱電機株式会社 | Wall-hanging air conditioner |
CN203809363U (en) * | 2014-03-31 | 2014-09-03 | 美的集团武汉制冷设备有限公司 | Volute assembly for air-conditioner indoor unit and air-conditioner indoor unit |
CN107631353A (en) * | 2017-09-07 | 2018-01-26 | 宁波奥克斯电气股份有限公司 | Idle call air-cooled ducted air conditioner |
CN107702306A (en) * | 2017-10-30 | 2018-02-16 | 四川长虹空调有限公司 | Air conditioner room unit snail tongue and air conditioner room unit |
CN209165710U (en) * | 2018-10-24 | 2019-07-26 | 奥克斯空调股份有限公司 | Air channel structure and air conditioner |
-
2018
- 2018-10-24 CN CN201811243723.9A patent/CN109059232B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0930472A2 (en) * | 1998-01-19 | 1999-07-21 | Mitsubishi Denki Kabushiki Kaisha | Cross flow fan |
KR20060094141A (en) * | 2005-02-23 | 2006-08-29 | 한라공조주식회사 | Rear air conditioner for vehicle |
WO2011016152A1 (en) * | 2009-08-05 | 2011-02-10 | 三菱電機株式会社 | Wall-hanging air conditioner |
CN203809363U (en) * | 2014-03-31 | 2014-09-03 | 美的集团武汉制冷设备有限公司 | Volute assembly for air-conditioner indoor unit and air-conditioner indoor unit |
CN107631353A (en) * | 2017-09-07 | 2018-01-26 | 宁波奥克斯电气股份有限公司 | Idle call air-cooled ducted air conditioner |
CN107702306A (en) * | 2017-10-30 | 2018-02-16 | 四川长虹空调有限公司 | Air conditioner room unit snail tongue and air conditioner room unit |
CN209165710U (en) * | 2018-10-24 | 2019-07-26 | 奥克斯空调股份有限公司 | Air channel structure and air conditioner |
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