CN107131151A - Wind wheel, blower fan and refrigeration plant - Google Patents
Wind wheel, blower fan and refrigeration plant Download PDFInfo
- Publication number
- CN107131151A CN107131151A CN201710485604.3A CN201710485604A CN107131151A CN 107131151 A CN107131151 A CN 107131151A CN 201710485604 A CN201710485604 A CN 201710485604A CN 107131151 A CN107131151 A CN 107131151A
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- Prior art keywords
- wind wheel
- wheel
- hole
- protuberance
- wheel portion
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
- F04D29/329—Details of the hub
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses wind wheel, blower fan and refrigeration plant.The wind wheel includes：Wheel hub, the wheel hub includes：Interior wheel portion a, part for the interior wheel portion is recessed to limit recess along the direction towards the air side, and the interior wheel portion, which is provided with, is suitable to the axis hole that motor shaft is passed through；Outer wheel portion, the outer wheel portion is looped around the outside of the interior wheel portion and is connected to the periphery edge of the interior wheel portion；The protuberance of annular, the protuberance is located in the female portion and towards windward side protrusion, the protuberance is set around the axis hole in the circumferential direction of the wheel hub；Multiple blades, the multiple spacing with blades, which is turned up the soil, is connected to the periphery wall of the outer wheel portion.According to the wind wheel of the present invention, drive air-flow from the voorticity of nearly wheel hub during windward side flows to air side, is advantageously reduced in wind wheel, reduce noise.
Description
Technical field
The present invention relates to refrigeration technology field, more particularly, to a kind of wind wheel, blower fan and refrigeration plant.
Background technology
In correlation technique, motor easily produces vortex, wind when driving wind wheel rotation at the position of the adjacent hub of wind wheel
The inefficiency of wheel, noise is big, and air output is few, and the exchange capability of heat of whole refrigeration plant is poor.Moreover, between motor shaft and wind wheel
The reliability of cooperation is low.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.Therefore, the present invention proposes a kind of wind
Wheel, the wind wheel advantageously reduces the voorticity of nearly wheel hub, reduces noise, increases air output.
The present invention also proposes a kind of to include the blower fan of above-mentioned wind wheel.
The present invention also proposes a kind of to include the refrigeration plant of above-mentioned blower fan.
Wind wheel according to embodiments of the present invention, the axial both sides of the wind wheel are respectively windward side and air side, the wind
Wheel includes：Wheel hub, the wheel hub includes：Interior wheel portion a, part for the interior wheel portion is recessed along the direction towards the air side
Enter to limit recess, the interior wheel portion, which is provided with, is suitable to the axis hole that motor shaft is passed through；Outer wheel portion, the outer wheel portion is looped around
The outside of the interior wheel portion and the periphery edge for being connected to the interior wheel portion；The protuberance of annular, the protuberance is located at described recessed
Enter in portion and towards windward side protrusion, the protuberance is set around the axis hole in the circumferential direction of the wheel hub；
Multiple blades, the multiple spacing with blades, which is turned up the soil, is connected to the periphery wall of the outer wheel portion.
Wind wheel according to embodiments of the present invention, by causing a part for interior wheel portion recessed along the direction towards air side
To limit recess, while the protuberance of annular is located in recess and protruded towards windward side, so, it is not only advantageous to
Extend the length of fit of motor shaft and wheel hub, it is ensured that the reliability that wind wheel is installed, and air-flow is driven from effluent windward in wind wheel
During air side, the voorticity of nearly wheel hub is advantageously reduced, noise is reduced, and can ensure under identical operating mode, wind
The increase of amount, when wind wheel is with blower fan, is conducive to improving the operating efficiency of blower fan, reduces the power of motor, so as to work as
When blower fan is with refrigeration plant, be conducive to the lifting of whole refrigeration plant exchange capability of heat and efficiency.
According to some embodiments of the present invention, the interior wheel portion includes：Connecting portion, the part of the connecting portion is along court
Recessed to limit the female portion to the direction of the air side, the female portion is provided with runs through it in its thickness direction side
First through hole；Auxiliary section, the auxiliary section is located on the outlet air surface of the connecting portion and the auxiliary section leads to provided with second
Hole, second through hole is just set to the first through hole, wherein, second through hole and the first through hole are limited jointly
The axis hole, the outer wheel portion is connected to the periphery edge of the connecting portion.
Specifically, the connecting portion includes：Disk segments, the disk segments are provided with the first through hole, the auxiliary section
It is located at respectively on the outlet air surface and windward side of the disk segments with the protuberance；First linkage section, first linkage section
First end is connected to the periphery edge of the disk segments, the second end of first linkage section on the direction towards windward side along
The direction for being directed away from the central axis of the axis hole tilts extension；Second linkage section, the first end of second linkage section connects
It is connected to the second end of first linkage section and the second end of second linkage section to extend radially outward, the outer wheel portion connects
It is connected to the second end of second linkage section.
Further, the angle between the bearing of trend of first linkage section and the central axis of the axis hole is α, α
Meet：30°≤α≤60°.
According to some embodiments of the present invention, the height of the interior wheel portion is H, and the recessed depth in the female portion is h, H
Met with h：0.2≤h/H≤0.8.
Alternatively, 0.4≤h/H≤0.6.
According to some embodiments of the present invention, on the direction towards air side, the outer peripheral face of the protuberance is along direction
The direction extension of central axis away from the axis hole.
Specifically, the angle between the central axis of the bearing of trend of the outer peripheral face of the protuberance and the axis hole is β,
β is met：0°≤β≤30°.
According to some embodiments of the present invention, the internal perisporium of one end of the remote protuberance of the axis hole is provided with ring
The location division of shape, the motor shaft is provided with the annular step surface coordinated with the location division.
Specifically, the thickness of the location division is d, and d meets 2mm≤d≤4mm.
According to some embodiments of the present invention, the inwall of the axis hole is provided with circumferentially positioned for being carried out to motor shaft
Flat bit architecture.
Blower fan according to embodiments of the present invention, including the wind wheel in motor and above-described embodiment.The motor has described
Motor shaft.
Blower fan according to embodiments of the present invention, the above-mentioned wind wheel by setting is conducive to improving the operating efficiency of blower fan, drop
The power of low motor.
Refrigeration plant according to embodiments of the present invention, including above-mentioned blower fan.
Refrigeration plant according to embodiments of the present invention, the above-mentioned blower fan by setting is conducive to improving changing for refrigeration plant
Heat energy power and efficiency.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the schematic diagram of wind wheel according to some embodiments of the invention；
Fig. 2 is the schematic diagram of wind wheel according to some embodiments of the invention；
Fig. 3 is the sectional view of wind wheel according to some embodiments of the invention；
Fig. 4 is the enlarged drawing at the A according to Fig. 3；
Fig. 5 is the graph of a relation of air quantity and noise.
Reference：
Wind wheel 100；
Wheel hub 10；Interior wheel portion 1；Axis hole 11；Flat bit architecture 111；Connecting portion 12；Disk segments 121；First through hole 1211；The
One linkage section 122；Second linkage section 123；Auxiliary section 13；Second through hole 131；Location division 132；Outer wheel portion 2；Protuberance 3；
Blade 20.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " length ", " width ", " thickness ", " on ",
" under ", " interior ", " outer ", " axial direction ", " radial direction ", the orientation of the instruction such as " circumference " or position relationship be based on orientation shown in the drawings
Or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicates or imply signified device or element
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition,
Define " first ", one or more this feature can be expressed or be implicitly included to the feature of " second ".In the present invention
Description in, unless otherwise indicated, " multiple " are meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " connected ", " company
Connect " it should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or it is integrally connected；It can be machine
Tool is connected or electrically connected；Can be joined directly together, can also be indirectly connected to by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
Wind wheel 100 according to embodiments of the present invention is described below with reference to Fig. 1-Fig. 4.Specifically, wind wheel 100 can be with motor one
Rise and be assembled into blower fan, it is necessary to which explanation, blower fan according to embodiments of the present invention can be used in any refrigeration plant, especially
Ground, air-conditioning system is particularly suitable for use according to the blower fan of the present invention.
As depicted in figs. 1 and 2, wind wheel 100 according to embodiments of the present invention, can include wheel hub 10 and multiple blades 20.
Multiple blades 20 may be connected to wheel hub 10 and are arranged at intervals in the circumferential direction of wheel hub 10.
It is understood that wind wheel 100 can operationally drive axial direction flowing of the air-flow along wind wheel 100, i.e. wind wheel 100
Axial both sides be respectively windward side and air side, the driving air-flow of wind wheel 100 flows to air side from windward side.For example, such as Fig. 3 and
Shown in Fig. 4, circulated on the direction of air-flow from top to bottom, i.e., the downside for the wind wheel 100 that arrow is pointed out is windward side, what arrow was pointed out
The upside of wind wheel 100 is air side.It should be noted that the above-below direction herein and below described in is only according to accompanying drawing
Schematically illustrate, it is impossible to be interpreted as a kind of limitation to the present invention.
As shown in Figure 3 and Figure 4, wheel hub 10 can include：The protuberance 3 of interior wheel portion 1, outer wheel portion 2 and annular.Specifically,
A part for interior wheel portion 1 is recessed to limit recess along the direction towards air side, for example, as shown in Figure 3 and Figure 4, it is interior
Wheel portion 1 it is a part of upwardly recessed to limit recess, the remainder of interior wheel portion 1 protrudes from recess.
Interior wheel portion 1, which is provided with, is suitable to the axis hole 11 that motor shaft is passed through.Specifically, as shown in Figure 3 and Figure 4, including axis hole 11
The axle of wheel portion 1 extends upward through interior wheel portion 1, and the motor shaft of motor can stretch into axis hole 11 from windward side and stretch out axis hole from air side
11.Alternatively, it can be fixedly connected after the stretching of axis hole 11 at motor shaft, such as, be stretched out at motor shaft from axis hole 11 with fastener
Afterwards, it can be connected with nut thread, so as to realize being fixedly connected for motor shaft and wind wheel 100.
Outer wheel portion 2 is looped around the outside of interior wheel portion 1 and is connected to the periphery edge of interior wheel portion 1.Specifically, such as Fig. 3 and Fig. 4 institutes
Show, the outside of interior wheel portion 1 is looped around on the whole direction of interior wheel portion 1 for outer wheel portion 2 and outer wheel portion 2 is connected to the outer of interior wheel portion 1
All edges.
Multiple blades 20 are connected to the periphery wall of outer wheel portion 2 at interval, for example, as depicted in figs. 1 and 2, blade 20 is
Three, three blades 20 uniform intervals in the circumferential direction of outer wheel portion 2 set and are connected to the periphery wall of outer wheel portion 2.
Protuberance 3 is located in recess and towards windward side protrusion, portion 3 is protruded above around axle in the circumferential direction of wheel hub 10
Hole 11 is set.For example, as shown in Figure 3 and Figure 4, protuberance 3 is formed as annular, protuberance 3 be located at it is in recess and downwardly projecting,
In the circumferential direction of wheel hub 10, protuberance 3 is set around axis hole 11.Thus, the endoporus of protuberance 3 is corresponding with axis hole 11 sets
Put, consequently facilitating motor shaft stretches into axis hole 11 after passing through endoporus.
Wind wheel 100 according to embodiments of the present invention, by causing the part of interior wheel portion 1 along the direction towards air side
It is recessed to limit recess, while by annular protuberance 3 be located in recess and towards windward side protrude, so, not only
Be conducive to extending the length of fit of motor shaft and wheel hub 10, it is ensured that the reliability that wind wheel 100 is installed, and driven in wind wheel 100
During air-flow flows to air side from windward side, the voorticity at nearly wheel hub 10 is advantageously reduced, noise is reduced, and can protect
Demonstrate,prove under identical operating mode, the increase of air quantity, when wind wheel 100 is with blower fan, is conducive to improving the operating efficiency of blower fan, reduces
The power of motor, so as to when blower fan is with refrigeration plant, be conducive to the lifting of whole refrigeration plant exchange capability of heat and efficiency.
In brief, wind wheel 100 according to embodiments of the present invention, by the side shape towards windward side for causing wheel hub 10
As " bumps " type structure, have the advantages that noise is small, air quantity is big.
In some embodiments of the invention, as shown in figure 4, interior wheel portion 1 includes：Connecting portion 12 and auxiliary section 13, foreign steamer
Portion 2 is connected to the periphery edge of connecting portion 12.
Specifically, a part for connecting portion 12 is recessed to limit the female portion, example along the direction towards air side
Such as, as shown in figure 4, connecting portion 12 it is a part of upwardly recessed to limit recess.
Recess is provided with runs through its first through hole 1211 in its thickness direction side, that is to say, that the limit of connecting portion 12
The part of recess is made provided with the thickness direction thereof through its first through hole 1211.Auxiliary section 13 is located at connecting portion 12
Outlet air surface on and auxiliary section 13 be provided with the second through hole 131.For example, as shown in figure 4, auxiliary section 13 is located at the limit of connecting portion 12
On the outlet air surface for the part for making recess, auxiliary section 13 extends upward through the second of auxiliary section 13 provided with the axle in auxiliary section 13
Through hole 131.
Second through hole 131 is just set to first through hole 1211, so that the second through hole 131 and first through hole 1211 are limited jointly
Shaft outlet hole 11, that is to say, that axis hole 11 is by the second through hole 131 on auxiliary section 13 and first on connecting portion 12
What through hole 1211 was limited jointly.So as to so that the side towards windward side of wheel hub 10 is formed as " bumps " type structure so that
Wind wheel 100 has the advantages that noise is small, air quantity is big.
In further embodiment of the present invention, connecting portion 12 can include disk segments 121, the first linkage section 122 and the
Two linkage sections 123.Specifically, as shown in figure 4, disk segments 121 are provided with the first through hole 1211, auxiliary section 13 and protuberance
3 are located on the outlet air surface and windward side of disk segments 121 respectively, and protuberance 3 is set around first through hole 1211.For example, such as Fig. 4 institutes
Show, auxiliary section 13 is located on the upper surface of disk segments 121, protuberance 3 is located on the lower surface of disk segments 121.
The first end of first linkage section 122 is connected to the periphery edge of the disk segments 121, the second of the first linkage section 122
Hold to tilt along the direction for the central axis for being directed away from axis hole 11 on the direction towards windward side and extend.For example such as Fig. 4 institutes
Show, the upper end of the first linkage section 122 is connected to the periphery edge of disk segments 121, the lower end of the first linkage section 122 is from top to bottom
Tilt and extend along the direction for the central axis for being directed away from axis hole 11 on direction.
The first end of second linkage section 123 is connected to the second of the second end of the first linkage section 122 and the second linkage section 123
End is extended radially outward, and outer wheel portion 2 is connected to the second end of second linkage section 123.For example, as shown in figure 4, second connects
The inner for connecing section 123 is connected to the lower end of the first linkage section 122 and the outer end of the second linkage section 123 is along radial direction to extension
Stretch, the lower end of outer wheel portion 2 is connected to the second end of the second linkage section 123.Thus, it is simple and reliable for structure.
Here, it is to be understood that the outer direction for referring to the central axis away from axis hole 11, direction in contrast is
It is interior.
In some illustrative examples of the present invention, as shown in figure 4, the bearing of trend and axis hole of the first linkage section 122
Angle between 11 central axis is α, and α is met：30 °≤α≤60 °, for example, α is 35 °, 40 °, 43 °, 45 °, 50 ° or 55 °
Deng.Thus, it is not only simple in construction, and be conducive to further reducing the voorticity and noise at nearly wheel hub 10, increase air quantity,
When wind wheel 100 is with blower fan, is conducive to further improving the operating efficiency of blower fan, the power of motor is reduced, so as to work as wind
When machine is with refrigeration plant, be conducive to the further lifting of whole refrigeration plant exchange capability of heat and efficiency.
The present invention some optional embodiments in, as shown in figure 4, the height of interior wheel portion 1 be H, recess it is recessed
Depth is that h, H and h are met：0.2≤h/H≤0.8.For example, the height of interior wheel portion 1 is H, the windward side of the second linkage section 123 is arrived
Vertical range between the windward side of disk segments 121 meets for h, H and h：0.2≤h/H≤0.8.So as to the size to wheel hub 10
Optimize, it is not only simple in construction, and be conducive to further reducing the voorticity and noise at nearly wheel hub 10, increase wind
Amount, when wind wheel 100 is with blower fan, is conducive to further improving the operating efficiency of blower fan, reduces the power of motor, so as to work as
When blower fan is with refrigeration plant, be conducive to the further lifting of whole refrigeration plant exchange capability of heat and efficiency.
Further, 0.4≤h/H≤0.6.For example, h/H value is 0.42,0.45,0.5,0.55 etc..
According to some embodiments of the present invention, on the direction towards air side, the outer peripheral face edge of protuberance 3 is directed away from
The direction extension of the central axis of axis hole 11.For example, as shown in figure 4, on direction from top to bottom, the outer peripheral face of protuberance 3
Along the direction extension for the central axis for being directed away from axis hole 11.Thus, can further reduce voorticity at nearly wheel hub 10 and
Noise, increases air quantity, when wind wheel 100 is with blower fan, is conducive to further improving the operating efficiency of blower fan, reduction motor
Power, so as to when blower fan is with refrigeration plant, be conducive to the further lifting of whole refrigeration plant exchange capability of heat and efficiency.
Specifically, the angle between the central axis of the bearing of trend of the outer peripheral face of protuberance 3 and axis hole 11 is β, and β is full
Foot：0°≤β≤30°.For example, β is 15 °, 25 °, 28 ° or 30 etc..
In some embodiments of the invention, the internal perisporium of one end of the remote protuberance 3 of axis hole 11 is provided with annular
Location division 132.For example, as shown in figure 4, location division 132 of the internal perisporium of the upper end of axis hole 11 provided with annular.Set on motor shaft
Have with location division 132 coordinate annular step surface, thus, when motor shaft through location division 132 from axis hole 11 stretch out with fastening
When part such as nut coordinates, the annular step surface of motor shaft and the surface engagement towards windward side of location division 132, so as to position
Portion 132 is located between the step surface of motor shaft and nut to play a part of carrying out axially position to motor shaft, it is to avoid correlation
The setting of pad in technology.
Alternatively, location division 132 is located on the internal perisporium of one end of the remote protuberance 3 of above-mentioned second through hole 131.
Preferably, location division 132 and interior wheel portion 1 are formed in one part.Thus, it is not only advantageous to simplify production technology, drops
Low production cost, also advantageously improves the intensity of location division 132.
Alternatively, the thickness of location division 132 is d, and d meets 2mm≤d≤4mm.Thus, be conducive to avoiding because of location division 132
The low intensity of location division 132 caused by too thin, while can also avoid because quality is superfluous caused by location division 132 is too thick.
Preferably, d is 3mm.
In some examples of the present invention, the inwall of axis hole 11, which is provided with, to be used to carry out motor shaft circumferentially positioned flat position
Structure 111.For example, as shown in figure 4, flat bit architecture 111 is located on the inwall of the second above-mentioned through hole 131.Motor shaft is provided with
The flat position portion coordinated with flat bit architecture 111, by the cooperation in flat bit architecture 111 and flat position portion, consequently facilitating motor shaft pass through it is flat
Bit architecture 111 transmits moment of torsion to wheel hub 10, makes motor drive wind wheel 100 to rotate.
Specifically, the length of flat bit architecture 111 is m, and m is less than or equal to the length in flat position portion, thus, is conducive to avoiding motor
Interference between axle and wheel hub 10 in structure.
Inventor is entered in practical study using the wind wheel 1 in the embodiment of the present invention to the relation between air quantity and noise
Row experiment, and by result to it is related in wind wheel be compared, as a result as shown in figure 5, experimental data shows, the embodiment of the present invention
In wind wheel 1 under identical air quantity, the wind wheel in noise ratio correlation technique is small.
Blower fan according to embodiments of the present invention, including the wind wheel 100 in motor and above-described embodiment.Wherein, the electricity of motor
Arbor stretches into axis hole 11 from windward side and stretched out from air side.
Blower fan according to embodiments of the present invention, the wind wheel 100 above-mentioned by setting is conducive to improving the work effect of blower fan
Rate, reduces the power of motor.
Refrigeration plant according to embodiments of the present invention, including above-mentioned blower fan.
Refrigeration plant according to embodiments of the present invention, the above-mentioned blower fan by setting is conducive to improving changing for refrigeration plant
Heat energy power and efficiency.
Alternatively, refrigeration plant is air-conditioning system.It is understood that air-conditioning system can include air-conditioner outdoor unit and sky
Indoor set is adjusted, above-mentioned blower fan can be used in air-conditioner outdoor unit, can also be used in indoor apparatus of air conditioner.
Air-conditioner outdoor unit, including heat exchanger, support, motor, wind wheel, air-ducting ring and air outlet grate etc..
In the description of this specification, reference term " some embodiments ", " illustrative examples ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (13)
1. a kind of wind wheel, it is characterised in that the axial both sides of the wind wheel are respectively windward side and air side, the wind wheel bag
Include：
Wheel hub, the wheel hub includes：
Interior wheel portion a, part for the interior wheel portion is recessed to limit recess along the direction towards the air side, described
Interior wheel portion, which is provided with, is suitable to the axis hole that motor shaft is passed through；
Outer wheel portion, the outer wheel portion is looped around the outside of the interior wheel portion and is connected to the periphery edge of the interior wheel portion；
The protuberance of annular, the protuberance is located in the female portion and towards windward side protrusion, in the wheel hub
The protuberance is set around the axis hole in circumferential direction；
Multiple blades, the multiple spacing with blades, which is turned up the soil, is connected to the periphery wall of the outer wheel portion.
2. wind wheel according to claim 1, it is characterised in that the interior wheel portion includes：
Connecting portion a, part for the connecting portion is recessed to limit the female portion along the direction towards the air side,
The female portion is provided with runs through its first through hole in its thickness direction side；
Auxiliary section, the auxiliary section is located on the outlet air surface of the connecting portion and the auxiliary section is provided with the second through hole, described
Second through hole is just set to the first through hole,
Wherein, second through hole and the first through hole limit the axis hole jointly, and the outer wheel portion is connected to the company
The periphery edge of socket part.
3. wind wheel according to claim 2, it is characterised in that the connecting portion includes：
Disk segments, the disk segments are provided with the first through hole, and the auxiliary section and the protuberance are located at the circle respectively
On the outlet air surface and windward side of disk section；
First linkage section, the first end of first linkage section is connected to the periphery edge of the disk segments, first linkage section
The second end on the direction towards windward side along the central axis for being directed away from the axis hole direction tilt extend；
Second linkage section, the first end of second linkage section is connected to the second end of first linkage section and described second connects
The second end for connecing section is extended radially outward, and the outer wheel portion is connected to the second end of second linkage section.
4. wind wheel according to claim 3, it is characterised in that the bearing of trend of first linkage section and the axis hole
Angle between central axis is α, and α is met：30°≤α≤60°.
5. wind wheel according to claim 1, it is characterised in that the height of the interior wheel portion is H, the female portion it is recessed
Depth is that h, H and h are met：0.2≤h/H≤0.8.
6. wind wheel according to claim 5, it is characterised in that 0.4≤h/H≤0.6.
7. outside wind wheel according to claim 1, it is characterised in that on the direction towards air side, the protuberance
Direction extension of the side face along the central axis for being directed away from the axis hole.
8. wind wheel according to claim 7, it is characterised in that the bearing of trend of the outer peripheral face of the protuberance and the axle
Angle between the central axis in hole is β, and β is met：0°≤β≤30°.
9. wind wheel according to claim 1, it is characterised in that the inner circumferential of one end of the remote protuberance of the axis hole
Location division of the wall provided with annular, the motor shaft is provided with the annular step surface coordinated with the location division.
10. wind wheel according to claim 9, it is characterised in that the thickness of the location division is d, d meet 2mm≤d≤
4mm。
11. wind wheel according to claim 1, it is characterised in that the inwall of the axis hole, which is provided with, to be used to enter motor shaft
The circumferentially positioned flat bit architecture of row.
12. a kind of blower fan, it is characterised in that including：
Motor, the motor has the motor shaft；With
Wind wheel according to any one of claim 1-11.
13. a kind of refrigeration plant, it is characterised in that including blower fan according to claim 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710485604.3A CN107131151A (en) | 2017-06-23 | 2017-06-23 | Wind wheel, blower fan and refrigeration plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710485604.3A CN107131151A (en) | 2017-06-23 | 2017-06-23 | Wind wheel, blower fan and refrigeration plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107131151A true CN107131151A (en) | 2017-09-05 |
Family
ID=59736226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710485604.3A Pending CN107131151A (en) | 2017-06-23 | 2017-06-23 | Wind wheel, blower fan and refrigeration plant |
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| Country | Link |
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| CN (1) | CN107131151A (en) |
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| CN107975494A (en) * | 2017-11-22 | 2018-05-01 | 广东美的暖通设备有限公司 | Axial-flow windwheel and air-conditioning |
| CN108087308A (en) * | 2017-12-31 | 2018-05-29 | 青岛众力风机有限公司 | A kind of aerofoil fan |
| CN108105156A (en) * | 2017-12-30 | 2018-06-01 | 广东美的厨房电器制造有限公司 | Fan and micro-wave oven |
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| CN107975494A (en) * | 2017-11-22 | 2018-05-01 | 广东美的暖通设备有限公司 | Axial-flow windwheel and air-conditioning |
| CN108105156A (en) * | 2017-12-30 | 2018-06-01 | 广东美的厨房电器制造有限公司 | Fan and micro-wave oven |
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| CN108087308B (en) * | 2017-12-31 | 2024-12-24 | 青岛万有众力风机有限公司 | An axial flow fan |
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