CN211177176U - Impeller, fan, outdoor unit and air conditioner - Google Patents
Impeller, fan, outdoor unit and air conditioner Download PDFInfo
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- CN211177176U CN211177176U CN201921614763.XU CN201921614763U CN211177176U CN 211177176 U CN211177176 U CN 211177176U CN 201921614763 U CN201921614763 U CN 201921614763U CN 211177176 U CN211177176 U CN 211177176U
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- 238000010438 heat treatment Methods 0.000 abstract description 10
- 238000005057 refrigeration Methods 0.000 abstract description 7
- 238000004378 air conditioning Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 9
- 238000001816 cooling Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model relates to an air conditioning technology field, concretely relates to impeller, fan, off-premises station and air conditioner. The utility model discloses aim at solving among the current axial fan wheel hub's closed end face structure and restricted the wind deflection of fan, and then influenced the problem of heating and refrigeration performance of air conditioner. For this purpose, the utility model provides a wheel hub of impeller is formed between main shaft and inner ring by a plurality of auxiliary blade settings, and when the impeller was rotatory around the main shaft, auxiliary blade and main blade cut the air jointly to produce more amount of wind, and form the supplementary wind channel between adjacent auxiliary blade, increased the area that the air current passed through the impeller, thereby improved the deflection of fan; when the impeller and the fan are used by the outdoor unit of the air conditioner, the cold or heat generated by the outdoor heat exchanger can be more effectively dissipated, so that the refrigeration and heating performance of the air conditioner is enhanced.
Description
Technical Field
The utility model relates to an air conditioning technology field, concretely relates to impeller, fan, off-premises station and air conditioner.
Background
The air conditioner becomes an essential electrical product in life, and the performance of the air conditioner directly influences the use experience of people. An air conditioner generally includes an outdoor unit and an indoor unit, the outdoor unit includes a compressor, a heat exchanger, a throttling device and a fan, and the fan is installed to dissipate the cold and heat generated by the heat exchanger.
At present, one of the fans commonly used in the outdoor unit of the air conditioner is an axial flow fan, which includes a hub and a plurality of blades disposed on the hub, and an end surface of the hub is a closed circular surface structure. The end face structure of the hub limits the air guiding amount of the fan, and further influences the refrigeration and heating performance of the air conditioner.
Accordingly, there is a need in the art for a new impeller, fan, outdoor unit and air conditioner to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem among the prior art, for the closed end face structure who solves wheel hub among the current axial fan has limited the air deflection of fan, and then has influenced the problem of the refrigeration and the heating performance of air conditioner, the utility model provides an impeller, fan, off-premises station and air conditioner.
The utility model provides a pair of impeller, including wheel hub and main blade, main blade sets up on wheel hub's the outer wall, wheel hub includes main shaft, interior wheel rim and assists the blade, interior wheel rim is coaxial to be set up the outside of main shaft, it is a plurality of assist the blade setting to be in the main shaft with between the interior wheel rim, and adjacent assist and form supplementary wind channel between the blade.
As a preferable technical solution of the impeller provided in this embodiment, the impeller further includes an outer rim, the outer rim is coaxially disposed outside the hub, and an inner side of the outer rim is connected to outer edges of the plurality of main blades.
As a preferable technical solution of the impeller provided in this embodiment, the plurality of main blades are radially spaced around the inner ring, and the plurality of auxiliary blades are disposed corresponding to the main blades.
As a preferable technical solution of the impeller provided in this embodiment, the curvatures of the leading edge and the trailing edge of the connection end of the main blade and the auxiliary blade are respectively equal.
As a preferable technical solution of the impeller provided in this embodiment, the main blade and the auxiliary blade are integrally formed to form a fan blade, and the fan blade penetrates through the inner ring and is connected to the main shaft.
As a preferable technical solution of the impeller provided in this embodiment, one end of the main shaft is provided with a mounting hole for connecting an output shaft of a motor.
As a preferable technical solution of the impeller provided in this embodiment, the impeller includes: a hub, a plurality of main blades and an outer rim; the hub comprises a main shaft, an inner ring and auxiliary blades, the inner ring is coaxially arranged on the outer side of the main shaft, the auxiliary blades are arranged between the main shaft and the inner ring, and an auxiliary air duct is formed between the adjacent auxiliary blades; the plurality of main blades are radially arranged around the inner ring at intervals, and the plurality of auxiliary blades are arranged corresponding to the plurality of main blades; the outer wheel ring is coaxially arranged on the outer side of the hub, and the inner side of the outer wheel ring is connected with the outer edges of the main blades.
In addition, the embodiment also provides a fan, wherein the fan comprises a motor and any one of the impellers; and an output shaft of the motor is connected with a main shaft of the impeller.
In addition, this embodiment also provides an outdoor unit, outdoor unit includes outdoor heat exchanger and above-mentioned fan.
In addition, this embodiment also provides an air conditioner, the air conditioner includes indoor set and above-mentioned off-premises station.
The utility model provides a pair of impeller, fan, off-premises station and air conditioner, the wheel hub of impeller is formed between main shaft and inner ring by a plurality of auxiliary blade settings, and when motor drive impeller rotated around the main shaft, auxiliary blade and main blade cut the air jointly to produce more amount of wind, and form the auxiliary air duct between adjacent auxiliary blade, increased the area that the air current passes through the impeller, thereby improved the air deflection of fan; when the impeller and the fan are used by the outdoor unit of the air conditioner, the cold or heat generated by the outdoor heat exchanger can be more effectively dissipated, so that the refrigeration and heating performance of the air conditioner is enhanced.
Further, the utility model discloses an outer wheel circle is connected in a plurality of main blades's outer fringe, when the impeller rotates, can avoid the air current along the direction diffusion that deviates from the main shaft and cause the wind pressure loss to negative pressure when having improved the fan operation, and then improved the air supply effect of fan and air condensing units's refrigeration and heating capacity on the whole.
Drawings
The impeller, the fan, the outdoor unit, and the air conditioner of the present invention will be described with reference to the accompanying drawings. In the drawings:
fig. 1 is a schematic view of an impeller of the present embodiment.
List of reference numerals
1-a hub; 101-a main shaft; 102-an inner race; 103-auxiliary leaves; 2-main blade; 201-outer edge; 202-leading edge; 203-trailing edge; and 3, an outer wheel ring.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. For example, although the impeller and the fan in the present embodiment are described in conjunction with an outdoor unit of an air conditioner, this is not intended to limit the application or the protection scope of the impeller of the present invention, and those skilled in the art may apply the impeller to other application scenarios without departing from the air supply function of the impeller of the present invention. For example, the fan of the present embodiment may be used in ventilators for factories, mines, and household electric fans.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate directions or positional relationships based on those shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In order to solve the above-mentioned problem among the prior art, for the closed end face structure who solves wheel hub among the current axial fan has restricted the air deflection of fan, and then has influenced the cold volume and the thermal effect that the outdoor heat exchanger produced of fan exhaust to and restricted the refrigeration of air conditioner and the problem of heating performance, the utility model provides an impeller, fan, off-premises station and air conditioner.
As shown in fig. 1, the impeller provided by the present embodiment includes a hub 1 and main blades 2, the main blades 2 are disposed on an outer wall of the hub 1, the hub 1 includes a main shaft 101, an inner ring 102 and auxiliary blades 103, the inner ring 102 is coaxially disposed on an outer side of the main shaft 101, the plurality of auxiliary blades 103 are disposed between the main shaft 101 and the inner ring 102, and an auxiliary air duct is formed between adjacent auxiliary blades 103.
Illustratively, when one end of the main shaft 101 of the impeller of the present embodiment is connected to a motor, the impeller is driven by the motor (not shown in the figure) to rotate. As the impeller rotates, the main blades 2 and the auxiliary blades 103 cut air together, and push the air to move to form an air flow. Under the premise that the diameter of the impeller is not changed, the auxiliary blades 103 are arranged between the main shaft 101 and the inner ring 102 to form the hub 1, the main blades 2 and the auxiliary blades 103 of the impeller jointly form fan blades, the length of the original fan blades is increased, so that the air volume generated by cutting air by the fan blades of the impeller is increased, an auxiliary air channel is formed between the adjacent auxiliary blades 103, the area for air to pass is also increased, the air guide amount of the impeller is increased, and the ventilation capacity of a fan using the impeller is improved.
The inner ring 102 of the embodiment can lead the main blades 2 and the auxiliary blades 103 to be separated by a certain angle, and has a certain positioning function; in addition, the inner ring 102 has a certain reinforcing effect on the whole impeller, and the stability of the whole impeller is ensured.
As a preferred embodiment of the impeller provided in the present embodiment, the impeller further includes an outer ring 3, the outer ring 3 is coaxially disposed outside the hub 1, and the inner side of the outer ring 3 is connected to the outer edges 201 of the plurality of main blades 2.
Illustratively, the outer rim 3 is connected to the outer edge of the main blade 2 of the present embodiment, the outer rim 3 may be welded or bonded to the main blade 2, and the outer rim 3 and the main blade 2 may also be connected by a connector. Further, the outer ring 3 and the inner ring 102 may be connected by a rib, and the main blade 2 may be fixed to the rib. The outer wheel ring 3 plays a certain guiding role in the air flow, so that the air flow generated by the air cut by the main blade 2 and the auxiliary blade 103 flows along the same direction of the main shaft 101, the air pressure loss caused by the air flow diffusing along the direction perpendicular to the main shaft 101 is reduced, the negative pressure during the operation of the fan is improved, and the air supply effect of the fan using the impeller is improved on the whole.
As a preferred embodiment of the impeller provided in the present embodiment, a plurality of main blades 2 are radially spaced around the inner race 102, and a plurality of auxiliary blades 103 are provided corresponding to the main blades 2.
Illustratively, the plurality of main blades 2 are radially spaced around the inner ring 102, so that the air pressures of the plurality of air streams generated by cutting air by the different blades can be kept balanced, and the plurality of air streams are prevented from interfering with each other to generate turbulence and lose kinetic energy, thereby facilitating the smoother air flow generated by the rotation of the impeller.
In addition, the auxiliary blades 103 may be disposed corresponding to the main blades 2, so that the auxiliary air channels formed between adjacent auxiliary blades 103 and the main air channels formed between adjacent main blades 2 are also in a corresponding relationship. The mutual interference of the air flow generated by the cutting of the auxiliary blade 103 and the air flow generated by the cutting of the main blade 2 can be reduced or avoided, so that the wind generating effect when the impeller rotates can be more effectively improved.
As a preferred embodiment of the impeller provided in the present embodiment, the curvatures of the leading edge 202 and the trailing edge 203 of the connection end of the main blade 2 and the auxiliary blade 103 are respectively equal.
For example, in the impeller shown in fig. 1, the front edge 202 of the main blade 2 is referred to as the concave side, and the front edge of the auxiliary blade 103 is on the same side as the front edge 202 of the main blade 2; the trailing edge 203 of the main blade 2 refers to the end that is convex outwardly opposite the leading edge 202, and the trailing edge of the auxiliary blade 103 is on the same side as the trailing edge 202 of the main blade 2.
When the impeller rotates, the front edge 202 firstly cuts air, and the air is pushed to one end of the tail edge 203 along with the rotation of the main blade 2 and the auxiliary blade 103, so that the air is pushed to move along the axial direction to generate airflow.
In this embodiment, the curvatures of the front edges 202 of the connection ends of the auxiliary blade 103 and the main blade 2 may be the same, and the curvatures of the tail edges 203 of the connection ends of the auxiliary blade 103 and the main blade 2 may be the same, so that the continuity of the air flows generated by cutting the main blade 2 and the auxiliary blade 103 in the direction can be maintained, and thus the air flows can be generated efficiently.
As a preferred embodiment of the impeller provided in this embodiment, the main blade 2 and the auxiliary blade 103 are integrally formed to form a blade, and the blade is connected to the main shaft 101 through the inner ring 102.
For example, a gap may be formed in the inner rim 102 for the fan blade to pass through, so that the fan blade formed by integrally forming the main blade 2 and the auxiliary blade 103 passes through the gap in the inner rim 102, and one end of the auxiliary blade 103 is connected to the main shaft 101. The inner ring 102 has certain positioning and reinforcing effects on the fan blades formed by integrally forming the main blades 2 and the auxiliary blades 103, so that the integral stability of the impeller and the use performance of the impeller are ensured.
As a preferred embodiment of the impeller provided in the present embodiment, one end of the main shaft 101 is provided with a mounting hole for connecting an output shaft of a motor.
For example, the output shaft of the motor may be interference-fitted into the mounting hole of the main shaft 101, or the output shaft of the motor may be bonded into the mounting hole of the main shaft 101.
As a preferred embodiment of the impeller provided in this embodiment, the impeller includes: a hub 1, a plurality of main blades 2 and an outer rim 3; the hub 1 comprises a main shaft 101, an inner ring 102 and auxiliary blades 103, wherein the inner ring 102 is coaxially arranged on the outer side of the main shaft 101, the auxiliary blades 103 are arranged between the main shaft 101 and the inner ring 102, and an auxiliary air duct is formed between the adjacent auxiliary blades 103; the plurality of main blades 2 are radially arranged around the inner ring 102 at intervals, and the plurality of auxiliary blades 103 are arranged corresponding to the plurality of main blades 2; the outer ring 3 is coaxially arranged outside the hub 1, and the inside of the outer ring 3 is connected to the outer edges 201 of the plurality of main blades 2.
Illustratively, the hub 1 of the impeller of the embodiment is formed by arranging a plurality of auxiliary blades 103 between the main shaft 101 and the inner ring 102, and connecting the outer ring 3 at the outer edge 201 of the main blade 2. The impeller of the embodiment not only improves the air guiding quantity and the negative pressure when the fan runs, but also improves the air supply effect of the fan on the whole.
In addition, the embodiment also provides a fan, which comprises a motor and any one of the impellers; the output shaft of the motor is connected to the main shaft 101 of the impeller.
In the fan of the embodiment, the hub 1 of the impeller comprises the auxiliary blades 103 arranged at intervals, and the outer edge 201 of the main blade 2 is connected with the outer rim 3, so that when the motor drives the impeller to rotate, the fan has larger air guiding quantity and negative pressure, and the air supply effect of the fan is improved as a whole.
In addition, this embodiment still provides an outdoor unit, and this outdoor unit includes outdoor heat exchanger and above-mentioned fan.
In an exemplary embodiment, the fan has a large air guiding amount and a negative pressure and a good air supply effect, so that when the fan is used for an outdoor unit, heat or cold generated by an outdoor heat exchanger can be quickly and efficiently dissipated, and the heating or cooling effect of the outdoor unit of the air conditioner is improved.
In addition, this embodiment also provides an air conditioner, and the air conditioner includes indoor set and above-mentioned off-premises station.
For example, since the outdoor unit has a good heating or cooling effect, the overall air conditioner using the outdoor unit has excellent cooling and heating performance, and the user experience can be improved.
Of course, the above alternative embodiments, and the alternative embodiments and the preferred embodiments can also be used in a cross-matching manner, so that a new embodiment is combined to be suitable for a more specific application scenario.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims of the present invention, any of the claimed embodiments may be used in any combination.
So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
Claims (10)
1. An impeller, includes wheel hub and main blade, main blade sets up on the outer wall of wheel hub, its characterized in that:
the hub comprises a main shaft, an inner ring and auxiliary blades, the inner ring is coaxially arranged on the outer side of the main shaft, the auxiliary blades are arranged between the main shaft and the inner ring, and an auxiliary air duct is formed between the adjacent auxiliary blades.
2. The impeller of claim 1, wherein:
the impeller further comprises an outer wheel ring, the outer wheel ring is coaxially arranged on the outer side of the hub, and the inner side of the outer wheel ring is connected with the outer edges of the main blades.
3. The impeller of claim 1, wherein:
the main blades are arranged around the inner ring in a radial mode at intervals, and the auxiliary blades are arranged corresponding to the main blades.
4. The impeller of claim 1, wherein:
the curvatures of the front edge and the tail edge of the connection end of the main blade and the auxiliary blade are respectively equal.
5. The impeller of claim 1, wherein:
the main blade and the auxiliary blade are integrally formed to form a fan blade, and the fan blade penetrates through the inner ring to be connected with the spindle.
6. The impeller of claim 1, wherein:
and one end of the main shaft is provided with a mounting hole for connecting an output shaft of the motor.
7. An impeller, characterized in that it comprises:
the hub comprises a main shaft, an inner ring and auxiliary blades, wherein the inner ring is coaxially arranged on the outer side of the main shaft, the auxiliary blades are arranged between the main shaft and the inner ring, and an auxiliary air duct is formed between the adjacent auxiliary blades;
the main blades are arranged around the inner ring in a radial mode at intervals, and the auxiliary blades are arranged corresponding to the main blades;
the outer wheel ring is coaxially arranged on the outer side of the hub, and the inner side of the outer wheel ring is connected with the outer edges of the main blades.
8. A fan, characterized by:
comprising a motor and an impeller according to any one of claims 1 to 7;
and an output shaft of the motor is connected with a main shaft of the impeller.
9. An outdoor unit, its characterized in that:
comprising an outdoor heat exchanger and a fan according to claim 8.
10. An air conditioner, characterized in that:
the air conditioner includes an indoor unit and the outdoor unit of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921614763.XU CN211177176U (en) | 2019-09-25 | 2019-09-25 | Impeller, fan, outdoor unit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921614763.XU CN211177176U (en) | 2019-09-25 | 2019-09-25 | Impeller, fan, outdoor unit and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211177176U true CN211177176U (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921614763.XU Active CN211177176U (en) | 2019-09-25 | 2019-09-25 | Impeller, fan, outdoor unit and air conditioner |
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| Country | Link |
|---|---|
| CN (1) | CN211177176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117581023A (en) * | 2021-05-31 | 2024-02-20 | 雷姆专利有限责任公司 | Rotor comprising an auxiliary axial fan and axial fan |
-
2019
- 2019-09-25 CN CN201921614763.XU patent/CN211177176U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117581023A (en) * | 2021-05-31 | 2024-02-20 | 雷姆专利有限责任公司 | Rotor comprising an auxiliary axial fan and axial fan |
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