CN107061324A - Axial flow blower and the air conditioner with it - Google Patents
Axial flow blower and the air conditioner with it Download PDFInfo
- Publication number
- CN107061324A CN107061324A CN201710225041.4A CN201710225041A CN107061324A CN 107061324 A CN107061324 A CN 107061324A CN 201710225041 A CN201710225041 A CN 201710225041A CN 107061324 A CN107061324 A CN 107061324A
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- Prior art keywords
- axial flow
- flow blower
- wheel hub
- wind wheel
- motor
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- 229920003266 Leaf® Polymers 0.000 claims abstract description 66
- 238000005461 lubrication Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229930091051 Arenine Natural products 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/002—Axial flow fans
-
- 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
- F04D29/327—Rotors specially for elastic fluids for axial flow pumps for axial flow fans with non identical blades
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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
-
- 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
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of axial flow blower and the air conditioner with it, axial flow blower includes：Casing, dynamic wind wheel and motor.Casing has air inlet and air outlet, dynamic wind wheel is located in casing, dynamic wind wheel includes inner wheel hub, outer wheel hub, multiple intra vanes and multiple outer leafs, inner wheel hub is located in outer wheel hub and is spaced apart and sets, multiple intra vanes are located at being provided at circumferentially spaced between inner wheel hub and the internal perisporium of outer wheel hub and along inner wheel hub, multiple outer leafs are located at being provided at circumferentially spaced on the periphery wall of outer wheel hub and along outer wheel hub, the absolute value of the difference of the blade angle of intra vane and the blade angle of outer leafs is no more than 5 °, and motor is located in casing and the output shaft of motor is connected with dynamic wind wheel.According to the axial flow blower of the present invention, have the advantages that air quantity is big, noise is low.
Description
Technical field
The present invention relates to apparatus of air conditioning technical field, more particularly, to a kind of axial flow blower and the air-conditioning with it
Device.
Background technology
In correlation technique, the axial flow blower of air conditioner causes that its air quantity is small, noise is big due to the limitation of self structure.Cause
This, has much room for improvement.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, the present invention is carried
Go out a kind of axial flow blower, the axial flow blower has the advantages that air quantity is big, noise is small.
The invention also provides a kind of air conditioner with above-mentioned axial flow blower.
The axial flow blower of embodiment according to a first aspect of the present invention, including：Casing, the casing has air inlet and air-out
Mouthful；Dynamic wind wheel, the dynamic wind wheel is located in the casing, and the dynamic wind wheel includes inner wheel hub, outer wheel hub, multiple intra vanes and many
Individual outer leafs, the inner wheel hub is located in the outer wheel hub and is spaced apart and sets, and the multiple intra vane is located at the inner wheel hub
Being provided at circumferentially spaced between the internal perisporium of the outer wheel hub and along the inner wheel hub, the multiple outer leafs are located at described outer
Being provided at circumferentially spaced on the periphery wall of wheel hub and along the outer wheel hub, the blade angle of the intra vane and the outer leafs
Blade angle difference absolute value be no more than 5 °；Motor, the motor be located in the casing and the motor it is defeated
Shaft is connected with the dynamic wind wheel.
Axial flow blower according to embodiments of the present invention, by being arranged to dynamic wind wheel to include the inside and outside intra vane set and outer
Blade, thus can increase air quantity when axial flow blower works by intra vane and the superposition of outer leafs, and due to setting
Intra vane and outer leafs are spaced apart by the outer wheel hub put, and can play the perturbation action to air-flow, so as to reduce noise, together
When the difference of intra vane and the blade angle of outer leafs is limited in the range of 5 °, can cause intra vane Plane of rotation and
The Plane of rotation of outer leafs is more neighbouring each other, further strengthens the superposition of intra vane and outer leafs, so as to enter one
Step ground increase air quantity simultaneously reduces noise.
According to some embodiments of the present invention, the blade angle of the blade angle of the intra vane and the outer leafs
It is identical.
According to some embodiments of the present invention, the quantity of the intra vane is odd number, and/or the quantity of the outer leafs is
Odd number.
According to some embodiments of the present invention, the intra vane is arc tabular, and/or the outer leafs are arc
Shape.
According to some embodiments of the present invention, the axial flow blower also includes：Quiet wind wheel, the quiet wind wheel is located at the machine
In shell and positioned at the axial side of the dynamic wind wheel, the quiet wind wheel includes locating ring and is located on the periphery wall of the locating ring
And along circumferentially spaced multiple stator blades of the locating ring, the motor is located in the locating ring.
Further, the axial flow blower also includes：Motor pressing plate, the motor platen cover is located at the remote of the locating ring
Axial end and the motor pressing plate from the dynamic wind wheel are provided with through hole, and one end of the remote output shaft of the motor is set
There is projection, the male cooperation is in the through hole.
Alternatively, it is to be detachably connected between the motor pressing plate and the locating ring.
Alternatively, at least a portion positioned at the through hole surrounding of the motor pressing plate is engraved structure.
According to some embodiments of the present invention, the dynamic wind wheel is set adjacent to the air inlet, and the quiet wind wheel is adjacent to institute
State air outlet setting.
The air conditioner of embodiment according to a second aspect of the present invention, including：According to above-mentioned first aspect embodiment of the invention
Axial flow blower.
Air conditioner according to embodiments of the present invention, the above-mentioned axial flow blower by setting, can increase the air-out of air conditioner
Amount, and the operating noise of air conditioner can be reduced.
Brief description of the drawings
Fig. 1 is the stereogram of axial flow blower according to embodiments of the present invention；
Fig. 2 is the stereogram of another angle of axial flow blower according to embodiments of the present invention；
Fig. 3 is the explosive view of axial flow blower according to embodiments of the present invention；
Fig. 4 is the front view of axial flow blower according to embodiments of the present invention；
Fig. 5 is the profile of the line A-A along along Fig. 4；
Fig. 6 is the stereogram of the dynamic wind wheel of axial flow blower according to embodiments of the present invention；
Fig. 7 is the quiet wind wheel of axial flow blower according to embodiments of the present invention and the cooperation figure of casing；
Fig. 8 is the stereogram of the motor of axial flow blower according to embodiments of the present invention；
Fig. 9 is the stereogram of the motor pressing plate of axial flow blower according to embodiments of the present invention.
Reference：
Axial flow blower 100,
Casing 1, air channel 10, air inlet 11, air outlet 12,
Dynamic wind wheel 2, inner wheel hub 21, axis hole 211, outer wheel hub 22, intra vane 23, outer leafs 24,
Motor 3, output shaft 31, projection 32,
Quiet wind wheel 4, locating ring 41, the first fixing hole 411, stator blade 42,
Motor pressing plate 5, through hole 51, the second fixing hole 52, engraved structure 53.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Below with reference to
The embodiment of accompanying drawing description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " on ", " under ", "front", "rear", " left side ",
" right side ", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumference "
Deng instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description the present invention and
Simplify description, rather than indicate or imply that the device or element of meaning there must be specific orientation, with specific azimuth configuration
And operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect or can communicate each other；Can be joined directly together, can also be indirectly connected to by intermediary, can be with
It is connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For this area
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
The axial flow blower 100 of embodiment according to a first aspect of the present invention is described below with reference to Fig. 1-Fig. 9.
As shown in Fig. 1-Fig. 9, the axial flow blower 100 of embodiment according to a first aspect of the present invention, including：Casing 1, dynamic wind wheel
2 and motor 3.
Specifically, casing 1 has air inlet 11 and air outlet 12, and casing 1 can be in the cylinder of axial open at both ends
Shape, two axially open ends of casing 1 are respectively above-mentioned air inlet 11 and air outlet 12, along the axle of casing 1 in casing 1
To the air channel 10 formd suitable for air flow.Dynamic wind wheel 2 is located in casing 1, in the central axis and casing 1 that move wind wheel 2
Heart axis can be overlapped, so that the compact conformation of axial flow blower 100 and air-out is more uniformly distributed.Motor 3 be located in casing 1 and
The output shaft 31 of motor 3 is connected with dynamic wind wheel 2, and inner wheel hub 21 is provided centrally with axis hole 211, and the output shaft 31 of motor 3 coordinates
In the axis hole 211 of inner wheel hub 21, the dynamic wind wheel 2 of the driving of motor 3 is rotated.Thus, when dynamic wind wheel 2 is rotated, air is through air inlet
11 enter in air channel 10, and are flowed out after the dynamic pressurization of wind wheel 2 acceleration from air outlet 12.
Wherein, moving wind wheel 2 includes inner wheel hub 21, outer wheel hub 22, multiple intra vanes 23 and multiple outer leafs 24, inner wheel hub 21
It is located in outer wheel hub 22 and is spaced apart and set, inner wheel hub 21 and outer wheel hub 22 can be coaxially disposed.In multiple intra vanes 23 are located at
Being provided at circumferentially spaced between the internal perisporium of wheel hub 21 and outer wheel hub 22 and along inner wheel hub 21, multiple intra vanes 23 can be equidistant
Or not spaced set.One end of each intra vane 23 is connected and its other end and outer wheel hub 22 with the periphery wall of inner wheel hub 21
Internal perisporium is connected, so that can be connected between inner wheel hub 21 and outer wheel hub 22 by multiple intra vanes 23, without another
It is outer that other attachment structures are set, the structure of axial flow blower 100 is simplified, and the bulk strength of blade can be increased.It is multiple
Outer leafs 24 are located at being provided at circumferentially spaced on the periphery wall of outer wheel hub 22 and along outer wheel hub 22, between multiple outer leafs 24 can be waited
Away from or not spaced set.One end of each outer leafs 24 is connected with the periphery wall of outer wheel hub 22 and its other end is outwards (described
" outside " refers to the direction for being directed away from the center of outer wheel hub 22) extension.
Certainly, intra vane 23 is consistent with the incline direction of outer leafs 24.For example, intra vane 23 and outer leafs 24 are inclined
From radially simultaneously direction is tilted clockwise or counterclockwise.
Thus,, can be with while blade strength is ensured by the way that dynamic wind wheel 2 to be arranged to inside and outside two layers of blade construction
Increase the size that air channel 10 is set, can be with when axial flow blower 100 works by intra vane 23 and the superposition of outer leafs 24
Increase air quantity, and because intra vane 23 and outer leafs 24 are spaced apart by the outer wheel hub 22 of setting, can play and air-flow is disturbed
Action is used, so as to reduce noise.
Further, the absolute value of the blade angle of intra vane 23 and the difference of the blade angle of outer leafs 24 does not surpass
Cross 5 °.Thus, by the way that the difference of the setting angle of intra vane 23 and the setting angle of outer leafs 24 is arranged on into less scope
It is interior, can cause intra vane 23 Plane of rotation and outer leafs 24 Plane of rotation it is more neighbouring each other, further strengthen internal lobe
The superposition of piece 23 and outer leafs 24, so as to further increase air quantity and reduce noise.
Wherein, described " blade angle " refers to the Plane of rotation of blade and is by the radius concentric with the wheel hub face of cylinder
The angle of the string of a musical instrument for the leaf cross-section that the R different faces of cylinder are intercepted.Specifically, the blade angle of intra vane 23 refers to
The Plane of rotation of intra vane 23 and the blade by being intercepted from the concentric radius in the face of cylinder of inner wheel hub 21 by the R different faces of cylinder
The angle of the string of a musical instrument of cross section, the blade angles of outer leafs 24 refer to outer leafs 24 Plane of rotation and by with outer wheel hub 22
The angle of the string of a musical instrument for the leaf cross-section that the concentric radius in the face of cylinder is intercepted by the R different faces of cylinder.
It should be noted that the setting angle of intra vane 23 can be more than the setting angle of outer leafs 24, now intra vane
The difference of 23 blade angle and the blade angle of outer leafs 24 is on the occasion of the blade angle and outer leafs of intra vane 23
The difference of 24 blade angle be no more than 5 °, the Plane of rotation of intra vane 23 and the Plane of rotation of outer leafs 24 it is located adjacent one another but
It is misaligned；The setting angle of intra vane 23 can be less than the blade angle of the setting angle, now intra vane 23 of outer leafs 24
Difference with the blade angle of outer leafs 24 is negative value, the blade angle of intra vane 23 and the blade angle of outer leafs 24
The absolute value of difference be no more than 5 °, the Plane of rotation of intra vane 23 and the Plane of rotation of outer leafs 24 are located adjacent one another but do not weigh
Close；The setting angle of intra vane 23 can be equal to the setting angle of outer leafs 24, now the blade angle of intra vane 23 with it is outer
The difference of the blade angle of blade 24 is zero, and the Plane of rotation of intra vane 23 and the Plane of rotation of outer leafs 24 are overlapped.
Axial flow blower 100 according to embodiments of the present invention, by being arranged to dynamic wind wheel 2 to include the intra vane of inside and outside setting
23 and outer leafs 24, thus it can be increased by intra vane 23 and the superposition of outer leafs 24 when axial flow blower 100 works
Air quantity, and because intra vane 23 and outer leafs 24 are spaced apart by the outer wheel hub 22 of setting, the disturbance to air-flow can be played and made
With, so as to reduce noise, while the difference of intra vane 23 and the blade angle of outer leafs 24 is limited in the range of 5 °,
Can cause intra vane 23 Plane of rotation and outer leafs 24 Plane of rotation it is more neighbouring each other, further strengthen intra vane 23
With the superposition of outer leafs 24, so as to further increase air quantity and reduce noise.
In some embodiments of the invention, the blade angle phase of the blade angle of intra vane 23 and outer leafs 24
Together.Thus, when axial flow blower 100 works, the Plane of rotation of intra vane 23 and the Plane of rotation of outer leafs 24 are overlapped, and are now made
The superposition for obtaining intra vane 23 and outer leafs 24 is reached most by force, so as to significantly increase air quantity and reduce noise.
In some embodiments of the invention, reference picture 4 and Fig. 5, the quantity of intra vane 23 is odd number, and/or outer leafs
24 quantity is odd number.That is, the quantity of intra vane 23 only can be set to odd number, can also be only by the number of outer leafs 24
Amount is arranged to odd number, or can also be all provided with being set to odd number by the quantity of the quantity of intra vane 23 and outer leafs 24 simultaneously.For example,
Intra vane 23 can include five, and outer leafs 24 can include nine.Thus, by by intra vane 23 and/or outer leafs 24
Quantity is arranged to odd number, can reduce or avoid resonance that dynamic wind wheel 2 is produced when rotating and cause noise, so as to enter one
Step ground reduction noise.
In some embodiments of the invention, reference picture 5, intra vane 23 can be arc shape, and/or outer leafs 24 are
Arc tabular.That is, intra vane 23 only can be arranged into arc tabular, outer leafs 24 only can also be set into camber
Tabular, or intra vane 23 and outer leafs 24 can also be arranged to arc tabular simultaneously.Thus, it is possible to make axial flow blower 100
It is attractive in appearance and with larger air quantity and relatively low noise.
In some embodiments of the invention, reference picture 1- Fig. 5 and Fig. 7, axial flow blower 100 also includes：Quiet wind wheel 4, it is quiet
Wind wheel 4 is located in casing 1 and positioned at the axial side of dynamic wind wheel 2, that is, move wind wheel 2 and quiet wind wheel 4 in air channel 10 vertically between
Every setting.Quiet wind wheel 4 includes locating ring 41 and is located at being provided at circumferentially spaced on the periphery wall of locating ring 41 and along locating ring 41
Multiple stator blades 42, motor 3 is located in locating ring 41, and motor 3 can be fixed on fixed by the interference fit with locating ring 41
In the ring 41 of position.Thus, by the quiet wind wheel 4 of setting, the static pressure of axial flow blower 100 can be increased, so as to further
Increase air quantity.
Wherein, one end of each stator blade 42 be connected with the periphery wall of locating ring 41 and its other end and locating ring 41 it is interior
Perisporium is connected, so that can be connected between locating ring 41 and casing 1 by multiple stator blades 42, without setting in addition
Other attachment structures, simplify the structure of axial flow blower 100, and can increase the bulk strength of casing 1 and stator blade wind wheel.
It should be noted that the outer leafs 24 and intra vane 23 of the incline direction of the stator blade 42 of quiet wind wheel 4 and dynamic wind wheel 2
Incline direction it is different.For example, moving the outer leafs 24 and the Off-Radial of intra vane 23 of wind wheel 2 and being tilted towards clockwise direction
When, the Off-Radial of stator blade 42 of quiet wind wheel 4 is simultaneously tilted towards counter clockwise direction.
Alternatively, moving wind wheel 2 can be set adjacent to air inlet 11, and quiet wind wheel 4 can be set adjacent to air outlet 12.Thus,
When axial flow blower 100 works, air enters in air channel 10 from air inlet 11, and quiet wind wheel 4 is passed through after accelerating pressurization through dynamic wind wheel 2
Further increase static pressure, so as to further increase air quantity.
Further, reference picture 2, Fig. 3, Fig. 5 and Fig. 7-Fig. 9, axial flow blower 100 also include：Motor pressing plate 5, motor pressure
Plate 5 covers the axial end away from dynamic wind wheel 2 for being located at locating ring 41 and motor pressing plate 5 is provided with through hole 51, the remote output of motor 3
One end of axle 31 coordinates in through hole 51 provided with projection 32, projection 32, and the end face towards motor pressing plate 5 of projection 32 can be with electricity
Put down the outer face (" outer face of motor pressing plate 5 " refers to the end face of the side of remote motor 3 of motor pressing plate 5) of machine pressing plate 5
Together.Thus, by setting above-mentioned motor pressing plate 5 further that motor 3 is spacing in motor pressing plate 5 and the institute of locating ring 41
In the space of restriction, motor 3 can be made to be further stably mounted in locating ring 41, while passing through the projection 32 on motor 3 and electricity
The cooperation of through hole 51 on machine pressing plate 5, can further increase the stability and fastness of the installation of motor 3.
Alternatively, reference picture 2, Fig. 3, Fig. 7 and Fig. 8, are to be detachably connected between motor pressing plate 5 and locating ring 41.Thus,
Facilitate the installation and removal of motor 3.For example, when needing to change motor 3, motor pressing plate 5 can be pulled down, then by new electricity
Machine 3 is attached in locating ring 41, and then motor pressing plate 5 is connected on locating ring 41 again.
For example, in Fig. 2, Fig. 3, Fig. 7 and Fig. 9 example, locating ring 41 is provided with multiple first fixing holes 411, motor
Pressing plate 5 is provided with multiple second fixing holes 52, by the way that screw is through the second fixing hole 52 and penetrates corresponding first fixing hole
411, so as to which motor pressing plate 5 is fastened on locating ring 41.
Alternatively, reference picture 2, Fig. 3 and Fig. 9, at least a portion positioned at the surrounding of through hole 51 of motor pressing plate 5 is hollow out knot
Structure 53.For example, it may be the part positioned at the surrounding of through hole 51 of motor pressing plate 5 is engraved structure 53 or motor pressure
The part positioned at the surrounding of through hole 51 of plate 5 is engraved structure 53.Thus, it is possible to while motor 5 intensity of pressing plate is ensured, subtract
The light weight of motor pressing plate 5, has saved material and cost.
The advantageous effects of the invention can be embodied by following test data, and wherein table 1 below is tradition
Axial flow blower test data table, table 2 below for the present invention axial flow blower test data table (experiment axis flow fan
The blade angle of 100 intra vane 23 is identical with the blade angle of outer leafs 24, and intra vane 23 and outer leafs 24 are arc
Shape tabular, intra vane 23 is five, and outer leafs 24 are nine)
Table 1
| Rotating speed (r/min) | Level of noise (dB) | Air quantity (m3/h) | Power (kW) |
| 850 | 50 | 1277 | 51.9 |
| 800 | 48.1 | 1193 | 44.6 |
| 780 | 47.4 | 1161 | 41.8 |
| 770 | 47 | 1145 | 39.6 |
| 750 | 46.3 | 1103 | 37 |
| 700 | 44.2 | 1032 | 31.3 |
Table 2
It is can be seen that by the contrast of above-mentioned Tables 1 and 2 in the case of rotating speed identical, compared to traditional axle stream wind
Machine, the level of noise reduction of axial flow blower 100 of the invention, air quantity lifting and power is smaller.
The air conditioner of embodiment according to a second aspect of the present invention, including：According to above-mentioned first aspect embodiment of the invention
Axial flow blower 100.
Air conditioner according to embodiments of the present invention, the axial flow blower 100 above-mentioned by setting, can increase going out for air conditioner
Air quantity, and the operating noise of air conditioner can be reduced.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " 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
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (10)
1. a kind of axial flow blower, it is characterised in that including：
Casing, the casing has air inlet and air outlet；
Dynamic wind wheel, the dynamic wind wheel is located in the casing, the dynamic wind wheel include inner wheel hub, outer wheel hub, multiple intra vanes and
Multiple outer leafs, the inner wheel hub is located in the outer wheel hub and is spaced apart and sets, and the multiple intra vane is located at the lubrication groove
Being provided at circumferentially spaced between the internal perisporium of hub and the outer wheel hub and along the inner wheel hub, the multiple outer leafs are located at described
Being provided at circumferentially spaced on the periphery wall of outer wheel hub and along the outer wheel hub, the blade angle of the intra vane and the siphonal lobe
The absolute value of the difference of the blade angle of piece is no more than 5 °；
Motor, the motor is located in the casing and the output shaft of the motor is connected with the dynamic wind wheel.
2. axial flow blower according to claim 1, it is characterised in that the blade angle of the intra vane and the siphonal lobe
The blade angle of piece is identical.
3. axial flow blower according to claim 1, it is characterised in that the quantity of the intra vane is odd number, and/or described
The quantity of outer leafs is odd number.
4. axial flow blower according to claim 1, it is characterised in that the intra vane is arc tabular, and/or described outer
Blade is arc tabular.
5. the axial flow blower according to any one of claim 1-4, it is characterised in that also include：Quiet wind wheel, the quiet wind
Wheel is located in the casing and positioned at the axial side of the dynamic wind wheel, and the quiet wind wheel includes locating ring and is located at the positioning
On the periphery wall of ring and along circumferentially spaced multiple stator blades of the locating ring, the motor is located at the locating ring
It is interior.
6. axial flow blower according to claim 5, it is characterised in that also include：Motor pressing plate, the motor platen cover is set
Through hole, the remote institute of the motor are provided with the axial end and the motor pressing plate of the remote dynamic wind wheel of the locating ring
One end of output shaft is stated provided with projection, the male cooperation is in the through hole.
7. axial flow blower according to claim 6, it is characterised in that being between the motor pressing plate and the locating ring can
Dismounting connection.
8. axial flow blower according to claim 6, it is characterised in that the motor pressing plate is located at the through hole surrounding
At least a portion is engraved structure.
9. axial flow blower according to claim 5, it is characterised in that the dynamic wind wheel is set adjacent to the air inlet, institute
Quiet wind wheel is stated to set adjacent to the air outlet.
10. a kind of air conditioner, it is characterised in that including：Axial flow blower according to any one of claim 1-9.
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| CN201710225041.4A CN107061324B (en) | 2017-04-07 | 2017-04-07 | Axial fan and air conditioner with same |
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| CN201710225041.4A CN107061324B (en) | 2017-04-07 | 2017-04-07 | Axial fan and air conditioner with same |
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| CN107061324A true CN107061324A (en) | 2017-08-18 |
| CN107061324B CN107061324B (en) | 2023-12-01 |
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| CN109323329A (en) * | 2018-10-11 | 2019-02-12 | 珠海格力电器股份有限公司 | Air conditioner with double cross-flow fan blades and control method thereof |
| CN112128124A (en) * | 2020-09-28 | 2020-12-25 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Air-cooled heat dissipation axial flow cooling fan for electronic equipment |
| CN114704500A (en) * | 2022-04-18 | 2022-07-05 | 续新电器技术(深圳)有限公司 | Combined air outlet structure and air outlet device |
| WO2025011659A1 (en) * | 2023-07-12 | 2025-01-16 | 台达电子工业股份有限公司 | Impeller and diagonal flow fan comprising impeller |
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| Publication number | Publication date |
|---|---|
| CN107061324B (en) | 2023-12-01 |
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