CN114263986A - Volute structure, centrifugal fan and wall-mounted air conditioner - Google Patents
Volute structure, centrifugal fan and wall-mounted air conditioner Download PDFInfo
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- CN114263986A CN114263986A CN202010975433.4A CN202010975433A CN114263986A CN 114263986 A CN114263986 A CN 114263986A CN 202010975433 A CN202010975433 A CN 202010975433A CN 114263986 A CN114263986 A CN 114263986A
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Abstract
The invention provides a volute structure, a centrifugal fan and a wall-mounted air conditioner, wherein the volute structure comprises: the volute body is arranged in a shell of the wall-mounted air conditioner; the gear ring is meshed with the gear; the gear ring is arranged on one axial end face of the volute body, and the gear is arranged on a shell of the wall-mounted air conditioner; the gear can drive the gear ring to rotate, and drives the volute body to rotate. The volute structure provided by the invention realizes the rotation of the volute body by adopting the matching of the gear ring and the gear, has the advantages of simple transmission structure, high transmission efficiency and high reliability compared with the existing rotatable volute, can realize wide-angle air supply, partition air supply and directional air supply by rotating the volute compared with an immovable volute, realizes air supply adjustment by adjusting the rotation angle of the air channel, and improves the air supply comfort.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to an air duct structure, a centrifugal fan and a wall-mounted air conditioner.
Background
The conventional air conditioner with a rotatable volute structure has the problems that the volute is rotatably arranged on the periphery of an impeller, and in order to adjust the air outlet angle of a fan, a gear-rack-gear two-stage transmission mode is adopted, so that the transmission structure is complex, the mechanism is complex, the transmission efficiency is low, and the reliability is poor.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is that the transmission structure of the rotatable volute structure is complex, the transmission efficiency is low and the reliability is poor, thereby providing the volute structure, the centrifugal fan and the wall-mounted air conditioner.
In order to solve the above problem, the present invention provides a scroll casing structure including:
the volute body is arranged in a shell of the wall-mounted air conditioner;
the gear ring is meshed with the gear; the gear ring is arranged on one axial end face of the volute body, and the gear is arranged on a shell of the wall-mounted air conditioner;
the gear can drive the gear ring to rotate, and drives the volute body to rotate.
Preferably, a centrifugal impeller is arranged in the volute body, a shaft hole for a driving shaft of the centrifugal impeller to penetrate through is formed in the volute body, the gear ring and the shaft hole are arranged concentrically, and the volute body rotates around the axis of the centrifugal impeller.
Preferably, the gear ring is an internal gear ring, and the gear is arranged in the gear ring.
Preferably, the volute body is provided with an air outlet, and the air outlet rotates along with the volute body, so that wide-angle air supply, partition air supply and directional air supply can be realized.
Preferably, the housing is mounted close to the wall, and a mounting inclination angle a exists between the volute body and the side face of the housing close to the wall, and the angle a is 5-10 degrees.
Preferably, the other axial end face of the volute body is provided with an air inlet facing a direction away from the wall.
Preferably, the volute structure further comprises an impeller motor, and the impeller motor is mounted on the shell of the wall-mounted air conditioner and connected with the driving shaft; and/or the volute structure also comprises a volute motor, and the volute motor is arranged on the shell of the wall-mounted air conditioner and is connected with the gear.
Preferably, the rotation angle of the volute body is B, and B is 0-20 degrees.
A centrifugal fan adopts the volute structure.
The wall-mounted air conditioner adopting the volute structure comprises at least two volute structures, the at least two volute structures are independently controlled, and the rotating angle of the volute body is adjusted by the volute structures according to the distance from the shell to the wall.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
Preferably, a distance sensor is arranged on the shell and used for identifying the distance from the shell to the wall.
Preferably, the wall-mounted air conditioner further comprises a heat exchanger, the heat exchanger is arranged on the air inlet, and/or the wall-mounted air conditioner further comprises an air inlet panel, the air inlet panel is arranged on the air inlet, and/or the wall-mounted air conditioner further comprises an air deflector, and the air deflector is arranged on the air outlet.
Preferably, when the installation inclination angle a exists between the volute body and the side of the wall-attached housing, an external unit connecting pipe and a drain pipe of the wall-mounted air conditioner are arranged in a triangular space between the volute body and the housing.
The volute structure, the centrifugal fan and the wall-mounted air conditioner provided by the invention at least have the following beneficial effects:
the volute structure provided by the invention realizes the rotation of the volute body by adopting the matching of the gear ring and the gear, has the advantages of simple transmission structure, high transmission efficiency and high reliability compared with the existing rotatable volute, can realize wide-angle air supply, partition air supply and directional air supply by rotating the volute compared with an immovable volute, realizes air supply adjustment by adjusting the rotation angle of the air channel, and improves the air supply comfort.
Drawings
FIG. 1 is an exploded view of the volute structure of an embodiment of the present invention;
FIG. 2 is a schematic view of the installation of the volute structure in the housing according to the embodiment of the invention;
fig. 3 is an exploded view of a wall-mounted type air conditioner according to an embodiment of the present invention;
fig. 4 is a schematic view illustrating an installation of a wall-mounted air conditioner a according to an embodiment of the present invention.
The reference numerals are represented as:
1. a volute body; 2. a housing; 3. a ring gear; 4. a gear; 5. a centrifugal impeller; 6. a shaft hole; 7. an impeller motor; 8. an air outlet; 9. an air inlet; 10. a distance sensor; 11. a heat exchanger; 12. an air intake panel; 13. an air deflector; 14. a volute motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 2, the present embodiment provides a scroll casing structure, including: the spiral casing comprises a spiral casing body 1, wherein the spiral casing body 1 is arranged in a shell 2 of a wall-mounted air conditioner; the gear ring 3 is meshed with the gear 4; the gear ring 3 is arranged on one axial end face of the volute body 1, and the gear 4 is arranged on the shell 2 of the wall-mounted air conditioner; the gear 4 can drive the gear ring 3 to rotate, and drives the volute body 1 to rotate.
The spiral case structure of this embodiment adopts the cooperation of ring gear and gear, realizes the rotation of spiral case body, compares in current rotatable spiral case, has transmission simple structure, and the advantage that transmission efficiency is high and the reliability is high, compares in unmovable spiral case, and the spiral case rotates and can realize wide angle air supply, subregion air supply, directional air supply, realizes air supply through adjusting the rotatory angle in wind channel and adjusts, promotes the air supply travelling comfort.
Preferably, in order to simplify the transmission structure and combine the centrifugal impeller driving mechanism organically, the centrifugal impeller 5 is arranged in the volute body 1, the shaft hole 6 for the driving shaft of the centrifugal impeller 5 to pass through is arranged on the volute body 1, the gear ring 3 and the shaft hole 6 are arranged concentrically, and the volute body 1 rotates around the axis of the centrifugal impeller 5.
Preferably, in order to ensure the integration of the transmission structure and control the volume of the transmission structure, the gear ring 3 is an inner gear ring, the gear 4 is arranged in the gear ring 3, and the meshing body of the gear 4 and the gear ring 3 is arranged on the volute body 1 without interfering other parts of the volute structure.
Preferably, after the volute body 1 is provided with the transmission structure of the gear 4 and the gear ring 3, the volute body 1 can rotate around the shaft, the volute body 1 is provided with the air outlet 8, and the air outlet 8 rotates along with the volute body 1, so that wide-angle air supply, partition air supply and directional air supply can be realized, and the comfort of air supply is improved.
Preferably, casing 2 attaches to the wall installation, exists installation inclination A between the adherent side of spiral case body 1 and casing 2, satisfies A5 ° -10 for the air outlet is blown to the inclined downward direction, and is not blown towards ground perpendicularly, so make its supply air distance farther, and room temperature reaches evenly distributed more easily, improves the travelling comfort.
Preferably, the other axial end face of the volute body 1 is provided with an air inlet 9, the air inlet 9 faces the direction away from the wall, the transmission structure of the volute body 1 is arranged on the back face of the air inlet 9, and the arrangement of the transmission structure does not affect the air inlet and the air outlet.
Preferably, the volute structure further comprises an impeller motor 7, and the impeller motor 7 is mounted on the housing 2 of the wall-mounted air conditioner and connected with the driving shaft; and/or the volute structure also comprises a volute motor 14, and the volute motor 14 is arranged on the shell 2 of the wall-mounted air conditioner and is connected with the gear 4. Impeller motor 7 and spiral case motor 14 all install on casing 2, and spiral case body 1 does not need additionally to support other structures, alleviates its self bearing, and spiral case body 1 is more sensitive when rotatory, and transmission system's burden is littleer, and transmission efficiency, reliability are higher.
Preferably, the rotation angle of the volute body 1 is B, which satisfies B-0 ° -20 °.
A centrifugal fan adopts the volute structure.
As shown in fig. 3 to 4, the present embodiment provides a wall-mounted air conditioner using the above-mentioned scroll structure, which includes at least two scroll structures, at least two scroll structures are separately controlled, and the scroll structures adjust the rotation angle of the scroll body 1 according to the distance from the housing 2 to the wall. Be equipped with distance sensor 10 on the casing 2, distance sensor 10 is used for discerning the distance of casing 2 to the wall body, and when distance sensor discerned casing one end and the distance that corresponds the wall body and is less than a definite value, the spiral case structure can rotate so that wind blows the wall automatically.
In the practical use of the wall-mounted air conditioner, the air conditioner is installed at a position close to a ceiling, the two sides of the air conditioner are possibly close to a wall, and in order to avoid that air flow blows to the wall and flows adherent to the wall, the air supply distance is shortened, so that the air uniformity of the whole room is influenced, and the direction of the volute structure needs to be rotated at the moment. The distance between the casing 2 and the wall A is L1, the distance between the casing 2 and the wall B is L2, and L1 is larger, so that the left volute body 1 is controlled to rotate clockwise, the air outlet direction is also inclined clockwise, and the air outlet range is enlarged. L2 is less, and control right spiral case body 1 also clockwise rotation, the air-out direction inclines to the direction of keeping away from the B wall to avoid the air current adherence.
Preferably, the wall-mounted air conditioner further comprises a heat exchanger 11, the heat exchanger 11 is arranged on the air inlet 9, and/or the wall-mounted air conditioner further comprises an air inlet panel 12, the air inlet panel 12 is arranged on the air inlet 9, and/or the wall-mounted air conditioner further comprises an air deflector 13, and the air deflector 13 is arranged on the air outlet 8.
Preferably, when the installation inclination angle a exists between the side surfaces of the volute body 1 and the wall-attached shell 2, pipelines such as an external unit connecting pipe and a drain pipe of a wall-mounted air conditioner are arranged in a triangular space between the volute body 1 and the shell 2, so that the arrangement of the routing pipe is simplest, the current after-sale installation mode is most met, the drainage effect is best, and the problem that the installation is difficult when the routing pipe is placed in the front and at the bottom is solved.
In the wall-mounted air conditioner of the embodiment, the two volute structures can also rotate back and forth intermittently, so that the uniform air sweeping of the whole room is realized, and the comfort of the whole machine is improved.
The two volute structures can be independently controlled according to actual conditions, left and right sweeping can be freely performed respectively, and users can independently control the operation parameters and the air outlet direction of each fan, so that personalized partitioned air supply of users in different areas of the same room is realized.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.
Claims (13)
1. A volute structure, comprising:
the spiral casing comprises a spiral casing body (1), wherein the spiral casing body (1) is arranged in a casing (2) of a wall-mounted air conditioner;
the gear ring (3) and the gear (4), wherein the gear ring (3) is meshed with the gear (4); the gear ring (3) is mounted on one axial end face of the volute body (1), and the gear (4) is mounted on a shell (2) of a wall-mounted air conditioner;
the gear (4) can drive the gear ring (3) to rotate, and drives the volute body (1) to rotate.
2. The volute structure according to claim 1, wherein a centrifugal impeller (5) is disposed in the volute body (1), a shaft hole (6) for a driving shaft of the centrifugal impeller (5) to pass through is disposed on the volute body (1), the ring gear (3) is disposed concentrically with the shaft hole (6), and the volute body (1) rotates around an axis of the centrifugal impeller (5).
3. Volute structure according to claim 1, wherein said ring gear (3) is an internal ring gear, said gear (4) being arranged within said ring gear (3).
4. The volute structure of claim 1, wherein the volute body (1) is provided with an air outlet (8), and the air outlet (8) rotates along with the volute body (1) to realize wide-angle air supply, partition air supply and directional air supply.
5. The volute structure according to claim 1, wherein the housing (2) is mounted adherently, and a mounting inclination angle a exists between the volute body (1) and the adherent side surface of the housing (2), and satisfies a condition that a is 5 ° -10 °.
6. The volute structure according to claim 5, wherein the other axial end surface of the volute body (1) is provided with an air inlet (9), and the air inlet (9) faces away from the wall.
7. The volute structure of claim 1, further comprising an impeller motor (7), wherein the impeller motor (7) is mounted on the housing (2) of the wall-mounted air conditioner and is connected to the drive shaft; and/or, the volute structure also comprises a volute motor (14), wherein the volute motor (14) is installed on the shell (2) of the wall-hanging air conditioner and is connected with the gear (4).
8. The volute structure according to any of claims 1-7, wherein the angle of rotation of the volute body (1) is B, and B is 0 ° -20 °.
9. A centrifugal fan, characterized in that a volute structure according to any one of claims 1-8 is used.
10. A wall-mounted air conditioner employing the scroll structure of any one of claims 1 to 8, comprising at least two scroll structures, the at least two scroll structures being individually controlled, the scroll structures adjusting the rotation angle of the scroll body (1) according to the distance from the housing (2) to the wall.
11. The wall-mounted air conditioner according to claim 10, wherein the housing (2) is provided with a distance sensor (10), and the distance sensor (10) is used for identifying the distance from the housing (2) to the wall.
12. The wall-mounted air conditioner according to claim 10 or 11, further comprising a heat exchanger (11), wherein the heat exchanger (11) is disposed at the air inlet (9), and/or wherein the wall-mounted air conditioner further comprises an air inlet panel (12), wherein the air inlet panel (12) is disposed at the air inlet (9), and/or wherein the wall-mounted air conditioner further comprises a wind deflector (13), wherein the wind deflector (13) is disposed at the air outlet (8).
13. The wall-mounted air conditioner according to claim 10 or 11, wherein when there is an installation inclination angle a between the volute body (1) and the wall-attached side of the casing (2), an external unit connection pipe and a drain pipe of the wall-mounted air conditioner are arranged in a triangular space between the volute body (1) and the casing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010975433.4A CN114263986A (en) | 2020-09-16 | 2020-09-16 | Volute structure, centrifugal fan and wall-mounted air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010975433.4A CN114263986A (en) | 2020-09-16 | 2020-09-16 | Volute structure, centrifugal fan and wall-mounted air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114263986A true CN114263986A (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010975433.4A Pending CN114263986A (en) | 2020-09-16 | 2020-09-16 | Volute structure, centrifugal fan and wall-mounted air conditioner |
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| CN (1) | CN114263986A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000274807A (en) * | 1999-03-18 | 2000-10-06 | Mitsubishi Heavy Ind Ltd | Indoor unit and air conditioner |
| CN1831442A (en) * | 2006-02-06 | 2006-09-13 | 珠海格力电器股份有限公司 | Individual air-blowing method of air conditioner |
| CN103776091A (en) * | 2012-10-18 | 2014-05-07 | 广东美的制冷设备有限公司 | Split wall-mounted air-conditioner indoor unit adjustable in air outlet direction |
| CN205117813U (en) * | 2015-10-12 | 2016-03-30 | 珠海格力电器股份有限公司 | Fan of adjustable wind direction, Air duct type air conditioner unit |
| CN206626700U (en) * | 2017-03-27 | 2017-11-10 | 美的集团股份有限公司 | Wall-hanging air conditioner all-in-one |
| CN107631360A (en) * | 2017-10-23 | 2018-01-26 | 广东美的制冷设备有限公司 | Air conditioner room unit and air conditioner |
| CN208475458U (en) * | 2018-05-07 | 2019-02-05 | 珠海格力电器股份有限公司 | Air conditioner wall-mounted machine |
-
2020
- 2020-09-16 CN CN202010975433.4A patent/CN114263986A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000274807A (en) * | 1999-03-18 | 2000-10-06 | Mitsubishi Heavy Ind Ltd | Indoor unit and air conditioner |
| CN1831442A (en) * | 2006-02-06 | 2006-09-13 | 珠海格力电器股份有限公司 | Individual air-blowing method of air conditioner |
| CN103776091A (en) * | 2012-10-18 | 2014-05-07 | 广东美的制冷设备有限公司 | Split wall-mounted air-conditioner indoor unit adjustable in air outlet direction |
| CN205117813U (en) * | 2015-10-12 | 2016-03-30 | 珠海格力电器股份有限公司 | Fan of adjustable wind direction, Air duct type air conditioner unit |
| CN206626700U (en) * | 2017-03-27 | 2017-11-10 | 美的集团股份有限公司 | Wall-hanging air conditioner all-in-one |
| CN107631360A (en) * | 2017-10-23 | 2018-01-26 | 广东美的制冷设备有限公司 | Air conditioner room unit and air conditioner |
| CN208475458U (en) * | 2018-05-07 | 2019-02-05 | 珠海格力电器股份有限公司 | Air conditioner wall-mounted machine |
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