CN110425161A - A kind of the high flow rate axial flow blower and blowing device of low windage - Google Patents
A kind of the high flow rate axial flow blower and blowing device of low windage Download PDFInfo
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- CN110425161A CN110425161A CN201910672729.6A CN201910672729A CN110425161A CN 110425161 A CN110425161 A CN 110425161A CN 201910672729 A CN201910672729 A CN 201910672729A CN 110425161 A CN110425161 A CN 110425161A
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- air duct
- guide vane
- air
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- 238000007664 blowing Methods 0.000 title claims abstract description 9
- 238000009413 insulation Methods 0.000 claims description 36
- 238000001816 cooling Methods 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- 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
- 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
- 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
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
-
- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
-
- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
- F04D29/646—Mounting or removal of 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
- F04D29/66—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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of high flow rate axial flow blower of low windage and blowing devices, which includes air duct;Impeller corresponding with its air inlet, and the motor of driving wheel rotation are provided in air duct;The multiple groups guide vane being circumferentially distributed around motor is additionally provided in air duct;Guide vane side is fixed with air duct inner wall, and the other side is fixed with motor;The air outlet of guide vane towards air duct extends, and the vertical section of guide vane is aerofoil profile;When work, motor impeller rotation, multiple groups guide vane is split to form multiple duct the inner space of air duct, avoids air-flow and generate vortex in air duct, increase air-out flow;Meanwhile the vertical section of guide vane is aerofoil profile, helps to reduce windage, air-flow velocity is improved, to improve outlet air efficiency.Further, since windage reduces, the work load of motor is alleviated, is conducive to extend the service life of blower entirety.
Description
Technical field
The present invention relates to blower technical fields, a kind of high flow rate axial flow blower more specifically to low windage and send
Wind devices.
Background technique
Blower is to improve gas pressure by the mechanical energy of input and supply gas side by side the machinery of body.Wherein, the gas of axial flow blower
It is identical as the length direction of fan blade spindle to flow blowing direction.When current axial flow blower blow flow, there are windage is big and efficiency
Low deficiency, therefore still need to be transformed existing blower fan structure to solve above-mentioned deficiency.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of height of low windage
Flow velocity axial flow blower and a kind of blowing device.
The technical solution adopted by the present invention to solve the technical problems is:
On the one hand, a kind of high flow rate axial flow blower of low windage, including air duct are provided;Be provided in the air duct and its
The corresponding impeller of air inlet, and the motor of the driving wheel rotation;Wherein, it is additionally provided in the air duct around the electricity
The multiple groups guide vane that motivation is circumferentially distributed;The guide vane side is fixed with the air duct inner wall, and the other side and institute
Motor is stated to fix;The air outlet of the guide vane towards the air duct extends, and the vertical section of the guide vane is aerofoil profile.
Preferably, the motor includes the connection sleeve with air duct coaxial arrangement;The connection sleeve include with
The fixed first sleeve of the guide vane, and deviate from second set of air duct air inlet one end positioned at the first sleeve
Cylinder;The second sleeve internal diameter is greater than the first sleeve outer diameter;The first sleeve, which is rotatably connected to, drives the impeller to turn
Dynamic output shaft;The second sleeve is equipped with the rotor for driving the output shaft rotation, and corresponding with the rotor fixed
Son;The motor further includes the connection ring for connecting the first sleeve and the second sleeve;The connection ring be provided with
The air duct air inlet face and the thermal vias being connected to the second sleeve inside.
Preferably, guide vane described in multiple groups is circularly and evenly distributed in the air duct;The thermal vias is provided with
It is multiple, and multiple thermal vias are circularly and evenly distributed in the connection ring;The air duct, the first sleeve and
Guide vane described in adjacent two groups, four surround air duct jointly;The thermal vias and the air duct face.
Preferably, the guide vane is fixed by 3rd sleeve and the first sleeve;The internal diameter of the 3rd sleeve
It is adapted to the outer diameter of the first sleeve;The guide vane is provided with and described second away from one end of the air duct air inlet
First locating slot of sleeve adaptation.
Preferably, the stator includes the stator core fixed with the second sleeve, and be threaded through respectively it is described fixed
The upper insulation wire frame and lower insulation wire frame at sub- iron core both ends;The upper insulation wire frame and the lower insulation wire frame with the stator
Iron core is fixed;Coil is wound on the upper insulation wire frame and the lower insulation wire frame;The stator further includes being fixed on institute
State insulation partition of the wire frame towards described first sleeve one end;The partition is bonded with the connection ring.
Preferably, the thermal vias includes and the hole A of the stator core face and the upper insulation wire frame face
Hole B, and the hole C of connection the hole A and the hole B;The hole C and the partition face;The periphery of the stator core
It is provided with positioning protrusion;The second sleeve is provided with the second locating slot corresponding with the positioning protrusion;
The motor further includes the circuit board for being fixed on the lower insulation wire frame and deviating from described stator core one end, and
The circuit board is fixed on away from the PCB connector of the lower insulation wire frame side;The circuit board and PCB connector electricity
Connection;The lower insulation wire frame is provided with the identical support column of height and positive stop lug boss away from described stator core one end;It is described
Positive stop lug boss is provided with positioning column away from described lower insulation wire frame one end;The circuit board is provided with corresponding with the positioning column
Positioning through hole.
Preferably, the high flow rate axial flow blower further includes the multiple groups heat dissipation being circularly and evenly distributed around the second sleeve
Piece;The air outlet of the cooling fin towards the air duct extends, and fixes with the second sleeve periphery;It is dissipated described in two adjacent groups
There are gaps between backing;The side of the connection ring towards the first sleeve is provided with fillet.
Preferably, bearing is arranged on the output shaft;The outer ring of the bearing is fixed with the first sleeve inner wall.
Preferably, along the direction close to the air duct air outlet, the thickness of the guide vane is gradually become smaller;The impeller
Including the wheel disc being connect with the motor, and the multiple groups moving blade being circularly and evenly distributed around the wheel disc;The wheel
Disk is provided with chamfering away from one end of the motor;The guide vane always organizes number and the moving blade always organizes number, the two
It is odd number.
On the other hand, a kind of blowing device is provided, based on any high flow rate axial flow blower of claim 1-9,
It is characterised in that it includes the high flow rate axial flow blower.
The beneficial effects of the present invention are: when work, the rotation of motor impeller, multiple groups guide vane is in air duct
Portion space is split to form multiple duct, is avoided air-flow and is generated vortex in air duct, increases air-out flow;Meanwhile it leading
The vertical section for flowing blade is aerofoil profile, helps to reduce windage, air-flow velocity is improved, to improve outlet air efficiency.Further, due to
Windage reduces, and alleviates the work load of motor, is conducive to extend the service life of blower entirety.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below in conjunction with attached drawing and reality
Applying example, the invention will be further described, and the accompanying drawings in the following description is only section Example of the invention, for this field
For those of ordinary skill, without creative efforts, it can also be obtained according to these attached drawings other accompanying drawings:
Fig. 1 is a kind of high flow rate axial flow blower overall structure diagram for low windage that the embodiment of the present invention one provides;
Fig. 2 is high flow rate axial flow blower explosive view (air duct, connector sleeve for a kind of low windage that the embodiment of the present invention one provides
Cylinder and stator core are in cutting state);
Fig. 3 is that a kind of high flow rate axial flow blower structural schematic diagram for low windage that the embodiment of the present invention one provides (conceals
Impeller);
Fig. 4 is enlarged drawing at A in Fig. 3;
Fig. 5 is enlarged drawing at B in Fig. 3.
Specific embodiment
In order to keep the purposes, technical schemes and advantages of the embodiment of the present invention clearer, implement below in conjunction with the present invention
Technical solution in example carries out clear, complete description, it is clear that and described embodiment is section Example of the invention, and
It is not all of embodiment.Based on the embodiment of the present invention, those of ordinary skill in the art are not before making the creative labor
Every other embodiment obtained is put, protection scope of the present invention is belonged to.
Embodiment one
The embodiment of the invention provides a kind of high flow rate axial flow blowers of low windage, as shown in Figure 1, simultaneously extremely refering to Fig. 2
Fig. 5;Including air duct 1;It is provided with impeller 10 corresponding with its air inlet 180 in air duct 1, and drives the electronic of the rotation of impeller 10
Machine 11;The multiple groups guide vane 12 being circumferentially distributed around motor 11 is additionally provided in air duct 1;12 side of guide vane and air duct
1 inner wall is fixed, and the other side and motor 11 are fixed;The air outlet 181 of guide vane 12 towards air duct 1 extends, and guide vane
12 vertical section is aerofoil profile, and when work, the rotation of 11 impeller 10 of motor, multiple groups guide vane 12 is empty to the inside of air duct 1
Between be split to form multiple duct, avoid air-flow and generate vortex in air duct 1, increase air-out flow;Meanwhile water conservancy diversion leaf
The vertical section of piece 12 is aerofoil profile, helps to reduce windage, air-flow velocity is improved, to improve outlet air efficiency.Further, due to wind
Resistance reduces, and alleviates the work load of motor 11, is conducive to extend the service life of blower entirety.
As shown in Fig. 2, motor 11 includes the connection sleeve 13 being coaxially disposed with air duct 1;Connection sleeve 13 includes and leads
The fixed first sleeve 14 of blade 12 is flowed, and deviates from the second sleeve 15 of 180 one end of air duct air inlet positioned at first sleeve 14;
15 internal diameter of second sleeve is greater than 14 outer diameter of first sleeve;First sleeve 14 is rotatably connected to the output shaft of the rotation of impeller 10
16;Second sleeve 15 is equipped with the rotor 17 for driving output shaft 16 to rotate, and stator 18 corresponding with rotor 17, thus rotor
17 and stator 18 have corresponding installation space, convenient for installment work is rapidly completed;Motor 11 further includes connection first sleeve 14
With the connection ring 19 of second sleeve 15;Connection ring 19 be provided with 180 face of air duct air inlet and with connect inside second sleeve 15
Logical thermal vias 182, when impeller 10 rotates, ambient atmos enter air duct 1 and form air-flow, are to be in since connection sleeve 13 is whole
T shape, therefore when air-flow flows in air duct 1, it can be entered inside second sleeve 15 by thermal vias 182, be effectively facilitated
Air flowing inside motor 11, reduces the thermal losses and operating temperature of motor 11, is conducive to extend motor
11 service life.
As shown in figure 3, multiple groups guide vane 12 is circularly and evenly distributed in air duct 1, integrally it is more uniformly stressed;Heat dissipation
Through-hole 182 is provided with multiple, and multiple thermal vias 182 are circularly and evenly distributed in connection ring 19;Air duct 1, first sleeve
14 and two groups of adjacent guide vanes 12, four surround air duct 183 jointly;Thermal vias 182 and 183 face of air duct are reduced
Air-flow enters the obstruction of thermal vias 182, rapidly enters thermal vias 182 convenient for air-flow and radiates.
As shown in Fig. 2, guide vane 12 is fixed by 3rd sleeve 110 and first sleeve 14, it is preferred that guide vane 12
It is fixed with 3rd sleeve 110 by way of welding or being bonded with first sleeve 14;The internal diameter and first set of 3rd sleeve 110
The outer diameter adaptation of cylinder 14 is easily installed and has certain contraposition effect;Guide vane 12 is set away from one end of air duct air inlet 180
It is equipped with the first locating slot 184 being adapted to second sleeve 15, convenient for contraposition work is rapidly completed.
As shown in Fig. 2, stator 18 includes the stator core 111 fixed with second sleeve 15, and it is threaded through stator respectively
The upper insulation wire frame 112 at 111 both ends of iron core and lower insulation wire frame 113;Upper insulation wire frame 112 and lower insulation wire frame 113 are and fixed
Sub- iron core 111 is fixed;Coil 114 is wound on upper insulation wire frame 112 and lower insulation wire frame 113;Stator 18 further includes fixing
In upper insulation partition 115 of the wire frame 112 towards 14 one end of first sleeve;Partition 115 is bonded with connection ring 19, passes through partition 115
The depth that stator 18 is inserted into second sleeve 15 is limited, thus when welding to batch blower, it is ensured that the batch blower
Consistency.
As shown in Figure 2 and Figure 4, thermal vias 182 includes and the hole A185 of 111 face of stator core and upper insulation wire frame
The hole B186 and intercommunicating pore A185 of 112 faces and the hole C of hole B186;Hole C and 115 face of partition;Outside stator core 111
Disc is provided with positioning protrusion 116;Second sleeve 15 is provided with second locating slot corresponding with positioning protrusion 116, so that stator
18 can be accurately positioned with rotor 17, ensure the precision of assembly, so that there is uniform air gap between rotor and stator, avoid partially
Motor performance caused by the heart is unstable;
Motor 11 further includes the circuit board 117 for being fixed on lower insulation wire frame 113 and deviating from 111 one end of stator core, and
Circuit board 117 is fixed on away from the PCB connector 118 of lower insulation 113 side of wire frame;118 electricity of circuit board 117 and PCB connector
Connection;Lower insulation wire frame 113 is provided with the identical support column 125 of height and positive stop lug boss 119 away from 111 one end of stator core;
Positive stop lug boss 119 is provided with positioning column 120 away from lower 113 one end of insulation wire frame;Circuit board 117 is provided with right with positioning column 120
When installation, circuit board 117 can be rapidly completed by the cooperation of positioning column 120 and positioning through hole 189 in the positioning through hole 189 answered
Positioning work, accurate positioning;Meanwhile the mounting height of circuit board 117 is determined by support column 125 and positive stop lug boss 119, it is right
When batch blower is assembled or is welded, it is ensured that the consistency of the batch blower is easy to implement automated production operation;Together
When but also circuit board 117 and rotor 17 keep certain distance, avoid the rotation to rotor 17 from causing to interfere.
As shown in figure 5, high flow rate axial flow blower further includes the multiple groups cooling fin being circularly and evenly distributed around second sleeve 15
121;The air outlet 181 of cooling fin 121 towards air duct extends, and fixes with 15 periphery of second sleeve, thus on stator core 111
Heat can be transmitted on cooling fin 121, carry out rapid cooling;There are gaps 1810 between two adjacent groups cooling fin 121;Connection
The side of ring 19 towards first sleeve 14 is provided with fillet 1811, and air-flow can flow to gap 1810 along fillet 1811, take away
Heat on cooling fin 121.
As shown in figure 3, being arranged with bearing 122 on output shaft 16;The outer ring of bearing 122 is fixed with 14 inner wall of first sleeve,
After air-flow enters second sleeve 15, heat exchange can be carried out with bearing 122, realize effective heat dissipation to bearing 122.
As shown in Figures 2 and 3, along the direction close to air duct air outlet 181, the thickness of guide vane 12 is gradually become smaller;Leaf
Wheel 10 includes the wheel disc 123 connecting with motor 11, and the multiple groups moving blade 124 being circularly and evenly distributed around wheel disc 123,
Preferably, wheel disc 123 is frustum type, and fairshaped shape is conducive to reduce the resistance that air enters air duct 1;Wheel disc 123 deviates from
One end of motor is provided with chamfering 1812;Always group number and moving blade 124 always organize number to guide vane 12, and the two is odd number,
If can not only make the balance of impeller 10 itself be difficult to adjust if blade quantity is even slice and is circularly and evenly distributed, and
And be easy that impeller 10 is made to generate more resonance when running at high speed, it can not bear what resonance generated for a long time so as to cause blade
Therefore blade, is always organized number and is arranged to odd number by fatigue the case where finally fracture, blower entirety is steady when can improve operating
It is qualitative.Preferably, guide vane is 7 groups, and moving blade is 11 groups, as be overlapped as possible between blade and blade, so that each rotation
Interlobate gap is smaller, to improve catch wind efficiency, increase air inlet flow.Preferably, the vertical section of moving blade 124 is the wing
Shape advantageously reduces windage, increases air flow rate;Meanwhile reduce blower work in different cross section position generate cavitation with
Vortex, reduces the cavitation corrosion and eddy-current loss of blower.
Embodiment two
The embodiment of the invention provides a kind of blowing device, which includes the high flow rate axis stream wind in embodiment one
Machine.In the embodiment of the present invention, blowing device includes but are not limited to hair dryer.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of high flow rate axial flow blower of low windage, including air duct;Leaf corresponding with its air inlet is provided in the air duct
Wheel, and the motor of the driving wheel rotation;It is characterized in that, being additionally provided in the air duct around the motor in circle
The multiple groups guide vane of week distribution;The guide vane side is fixed with the air duct inner wall, and the other side and the motor
It is fixed;The air outlet of the guide vane towards the air duct extends, and the vertical section of the guide vane is aerofoil profile.
2. high flow rate axial flow blower according to claim 1, which is characterized in that the motor includes same with the air duct
The connection sleeve of axis setting;The connection sleeve includes the first sleeve fixed with the guide vane, and is located at described the
One sleeve deviates from the second sleeve of air duct air inlet one end;The second sleeve internal diameter is greater than the first sleeve outer diameter;
The first sleeve is rotatably connected to the output shaft for driving the wheel rotation;The second sleeve, which is equipped with, drives the output
The rotor of axis rotation, and stator corresponding with the rotor;The motor further includes connecting the first sleeve and described
The connection ring of second sleeve;The connection ring is provided with the air duct air inlet face and is connected to the second sleeve inside
Thermal vias.
3. high flow rate axial flow blower according to claim 2, which is characterized in that guide vane described in multiple groups is in the air duct
Inside it is circularly and evenly distributed;The thermal vias be provided with it is multiple, and multiple thermal vias in the connection ring in circle
Week is uniformly distributed;Guide vane described in the air duct, the first sleeve and adjacent two groups, four surround air duct jointly;
The thermal vias and the air duct face.
4. high flow rate axial flow blower according to claim 2, which is characterized in that the guide vane by 3rd sleeve with
The first sleeve is fixed;The internal diameter of the 3rd sleeve is adapted to the outer diameter of the first sleeve;The guide vane deviates from
One end of the air duct air inlet is provided with the first locating slot being adapted to the second sleeve.
5. high flow rate axial flow blower according to claim 2, which is characterized in that the stator includes and the second sleeve
Fixed stator core, and it is threaded through the upper insulation wire frame and lower insulation wire frame at the stator core both ends respectively;On described
Insulation wire frame and the lower insulation wire frame are fixed with the stator core;On the upper insulation wire frame and the lower insulation wire frame
It is wound with coil;The stator further includes being fixed on the upper insulation partition of the wire frame towards described first sleeve one end;Institute
Partition is stated to be bonded with the connection ring.
6. high flow rate axial flow blower according to claim 5, which is characterized in that the thermal vias includes and the stator
The hole A of iron core face, the hole B with the upper insulation wire frame face, and the hole C of connection the hole A and the hole B;The hole C
With the partition face;The periphery of the stator core is provided with positioning protrusion;The second sleeve be provided with it is described fixed
Corresponding second locating slot of position protrusion;
The motor further includes the circuit board for being fixed on the lower insulation wire frame and deviating from described stator core one end, and fixed
In the circuit board away from the PCB connector of the lower insulation wire frame side;The circuit board is electrically connected with the PCB connector
It connects;The lower insulation wire frame is provided with the identical support column of height and positive stop lug boss away from described stator core one end;The limit
Position boss is provided with positioning column away from described lower insulation wire frame one end;The circuit board is provided with corresponding with the positioning column fixed
Position through-hole.
7. high flow rate axial flow blower according to claim 5, which is characterized in that the high flow rate axial flow blower further include around
The multiple groups cooling fin that the second sleeve is circularly and evenly distributed;The air outlet of the cooling fin towards the air duct extends, and with
The second sleeve periphery is fixed;There are gaps between cooling fin described in two adjacent groups;The connection ring is towards the first set
The side of cylinder is provided with fillet.
8. high flow rate axial flow blower according to claim 2, which is characterized in that be arranged with bearing on the output shaft;Institute
The outer ring and the first sleeve inner wall for stating bearing are fixed.
9. high flow rate axial flow blower according to claim 1, which is characterized in that along the side close to the air duct air outlet
To the thickness of the guide vane gradually becomes smaller;The impeller includes the wheel disc connecting with the motor, and around the wheel
The multiple groups moving blade that disk is circularly and evenly distributed;The wheel disc is provided with chamfering away from one end of the motor;It is described to lead
Stream blade always organizes number and the moving blade always organizes number, and the two is odd number.
10. a kind of blowing device, based on any high flow rate axial flow blower of claim 1-9, which is characterized in that including institute
State high flow rate axial flow blower.
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CN201910672729.6A CN110425161A (en) | 2019-07-24 | 2019-07-24 | A kind of the high flow rate axial flow blower and blowing device of low windage |
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CN201910672729.6A CN110425161A (en) | 2019-07-24 | 2019-07-24 | A kind of the high flow rate axial flow blower and blowing device of low windage |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112177977A (en) * | 2020-11-12 | 2021-01-05 | 江苏优格曼航空科技有限公司 | Low-wind-resistance impeller for magnetic suspension fan and preparation method thereof |
WO2022096016A1 (en) * | 2020-11-09 | 2022-05-12 | 宁波富佳实业股份有限公司 | Air guide structure and fan |
US11873824B2 (en) | 2021-02-05 | 2024-01-16 | Techtronic Cordless Gp | Blower |
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