CN108757525A - A kind of axial flow blower - Google Patents
A kind of axial flow blower Download PDFInfo
- Publication number
- CN108757525A CN108757525A CN201810768202.9A CN201810768202A CN108757525A CN 108757525 A CN108757525 A CN 108757525A CN 201810768202 A CN201810768202 A CN 201810768202A CN 108757525 A CN108757525 A CN 108757525A
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- Prior art keywords
- motor
- axial flow
- flow blower
- impeller
- out rotor
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 10
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 11
- 241001582888 Lobus Species 0.000 description 37
- 238000001816 cooling Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008439 repair process Effects 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
- F04D25/082—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provision for cooling the motor
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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
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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
- F04D29/40—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
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 provides a kind of axial flow blowers, including motor and wheel member, the wheel member includes out rotor and inner impeller, the out rotor and the inner impeller are arranged on the output shaft of the motor, it drives the out rotor rotation to realize that axial flow blower radiates to extraneous component by motor, drives the inner impeller rotation to realize the heat dissipation of axial flow blower therein by motor；One end that the motor is equipped with the inner impeller is equipped with airflow inlet, and the one end of the motor far from the inner impeller is equipped with air stream outlet, and the inner impeller rotation enters inside motor the air-flow that motor inside is radiated through airflow inlet to be discharged through air stream outlet again.It applies the technical scheme of the present invention, effect is：The axial flow blower of the present invention is simple in structure, compact, and it is highly practical to cope with harsh installation environment；The axial flow blower radiates to motor internal using inner impeller acting, and heat dissipation effect is better than traditional motor radiating mode.
Description
Technical field
The present invention relates to ventilation blower technical fields, and in particular to a kind of axial flow blower.
Background technology
Mine car digs up mine on China western part plateau and applies more, application environment very severe.The effect of mine car braking resistor
It is to provide brake force when mine car descending, calorific value is very big.Since axial flow blower has many advantages, such as that simple in structure, air quantity is big,
Therefore mine car braking resistor radiates usually using axial flow blower.
General axial flow blower is made of components such as motor, impeller, air ducts.Usual axial flow blower can only be realized toward a direction
Convey cooling wind, installed on the mine car of narrow space multiple axial flow blowers to braking resistor carry out heat dissipation be unfavorable for it is maximized
Use space.
In addition, axial flow blower, while radiating for braking resistor, motor of axial flow blower itself also will produce largely
Heat, this requires ventilation blowers also provided while being cooled down for braking resistor cooling wind be motor cooling.Traditional motor is cold
But scheme is：The cooling airflow that axial flow blower generates takes away the heat of motor generation, but the program is cold through outer surface of motor
But effect is poor, and motor temperature rise is higher, influences wind turbine reliability.
In conclusion it is existing in the prior art to solve to be badly in need of a kind of axial flow blower that can solve motor radiating effect difference
Problem.
Invention content
Present invention aims at a kind of axial flow blower is provided, specific technical solution is as follows：
A kind of axial flow blower, including motor and wheel member, the wheel member include out rotor and inner impeller, described
Out rotor and the inner impeller are arranged on the output shaft of the motor, drive the out rotor rotation to realize axis by motor
Flow fan radiates to extraneous component, drives the inner impeller rotation to realize the heat dissipation of axial flow blower therein by motor；
One end that the motor is equipped with the inner impeller is equipped with airflow inlet, the one end of the motor far from the inner impeller
Equipped with air stream outlet, the inner impeller rotation enters inside motor the air-flow that motor inside is radiated through airflow inlet to pass through again
Air stream outlet is discharged.
Preferred in above technical scheme, the motor includes two output shafts of same central axis setting, the siphonal lobe
Wheel is respectively arranged on two output shafts of motor with the inner impeller and drives synchronous rotary, the out rotor rotation by motor
Realize that axial flow blower radiates to extraneous component, the inner impeller rotation, which is realized, radiates to motor therein.
Preferred in above technical scheme, the output shaft of the motor is equipped with by the out rotor and the inner impeller structure
At combined impeller；For motor for driving the combined impeller to be rotated, the out rotor rotation realizes that axial flow blower is external
Boundary's component heat dissipation, the inner impeller rotation, which is realized, radiates to motor therein.
Preferred in above technical scheme, the motor includes two output shafts of same central axis setting；The siphonal lobe
There are two wheels, and an out rotor constitutes combined impeller with the inner impeller, another described out rotor is separately provided；
The combined impeller is arranged on an output shaft of motor, another described out rotor is arranged in the another of motor
On a output shaft；Motor drives the combined impeller and another described out rotor synchronous rotary；Two out rotor rotations
It realizes and radiates to the extraneous component at axial flow blower both ends, the inner impeller rotation, which is realized, radiates to motor therein.
It is preferred in above technical scheme, further include and the matched air duct of out rotor；The air duct include inner cylinder, guide vane with
And outer barrel, it the concentric setting of the inner cylinder and the outer barrel and is connect by guide vane；The inner cylinder and the motor output shaft are coaxial
The heart is arranged, and for the air duct by the inner tube installation on the installation end face of motor, the guide vane plays guide functions, described interior
Cylinder and outer cylindrical are at air duct.
Preferred in above technical scheme, the wheel hub of the out rotor is between one end of the inner cylinder and the inner cylinder
It is additionally provided with convection preventing device.
It is preferred in above technical scheme, the convection preventing device include the groove being arranged on the out rotor wheel hub and
The boss composition being arranged on the inner cylinder；
Either, the convection preventing device includes the boss being arranged on the out rotor wheel hub and is arranged in the inner cylinder
On groove composition；
Gap is equipped between the groove and the boss, the groove being capable of relative rotation with the boss.
It applies the technical scheme of the present invention, has the advantages that：
(1) axial flow blower of the invention includes mainly motor and wheel member, and the wheel member includes that out rotor is (right
Outer output cooling wind) and inner impeller (cooling wind is exported to motor inside)；The out rotor and the inner impeller are arranged at institute
It states on the output shaft of motor, synchronous rotary is driven by motor；Therefore the axial flow blower of the present invention can both meet to extraneous component
It radiates, can also radiate to motor inside；Since motor radiating is that directly cooling wind is sent into inside motor, this hair
(cooling airflow that axial flow blower generates is through outer surface of motor, the band leakage of electricity better than traditional motor radiating method for bright heat dissipation effect
The heat that machine generates), for promoting motor reliability significant effect.
(2) axial flow blower of the invention takes the mode toward motor delivered inside cooling wind to radiate, to derive
A variety of axial flow blower forms：The first, the motor include the setting of same central axis two output shafts, the out rotor and institute
Inner impeller is stated to be respectively arranged on two output shafts of motor and drive synchronous rotary by motor；Second, the motor is defeated
Shaft is equipped with the combined impeller being made of the out rotor and the inner impeller；Motor is for driving the combined impeller to carry out
Rotation；The third, the motor include the setting of same central axis two output shafts；There are two the out rotors, described in one
Out rotor constitutes combined impeller with the inner impeller, another described out rotor is separately provided；The combined impeller is arranged in electricity
On one output shaft of machine, another described out rotor is arranged on another output shaft of motor；Motor drives the combination
Impeller and another described out rotor synchronous rotary.Three of the above axial flow blower design scheme can flexibly cope with different make
With environment, it can not only meet different application environments and radiate to extraneous component, but also can radiate to motor inside, phase
For traditional axial flow blower the practicality higher.
(3) axial flow blower of the invention is additionally provided with air duct, and the air duct includes outer barrel, inner cylinder and guide vane；The outer barrel
The air duct of axial flow blower is constituted with the inner cylinder, the guide vane can carry out water conservancy diversion to output gas flow；Impeller cooperation air duct can optimize
The output characteristics of axial flow blower.
(4) axial flow blower of the invention further includes convection preventing device, and the convection preventing apparatus structure is simply ingenious, by groove
Coordinate with boss and constitutes.Convection preventing device can effectively prevent the cross-ventilation of convection preventing device both sides, optimize axial flow blower
Output characteristics.
Other than objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is described in further detail.
Description of the drawings
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the overall structure diagram of the preferred embodiment of the present invention 1；
Fig. 2 is the first blade wheel structure schematic diagram in Fig. 1；
Fig. 3 is the first impeller sectional view in Fig. 2；
Fig. 4 (a) is the second impeller sectional view in Fig. 1；
Fig. 4 (b) is B direction views in Fig. 4 (a)；
Fig. 4 (c) is Outer blade C direction views in Fig. 4 (a)；
Fig. 4 (d) is inner blade A-A sectional views in Fig. 4 (b)；
Fig. 5 is convection preventing device partial enlarged view in Fig. 1；
Fig. 6 is the schematic diagram of the preferred embodiment of the present invention 2；
Fig. 7 is the schematic diagram of the preferred embodiment of the present invention 3；
Wherein, 1, lobus sinister wheel, 1.1, lobus sinister piece, 1.2, left wheel hub, 2, left air duct, 2.1, left outside cylinder, 2.2, left guide vane,
2.3, left inside cylinder, 3, motor, 4, right air duct, 4.1, right outer barrel, 4.2, right guide vane, 4.3, right inner cylinder, 5, lobus dexter wheel, 5.1, first
Blade, 5.2, right wheel hub, the 5.3, second blade, 5.4, core wheel, 6, air stream outlet, 7, convection preventing device.
Specific implementation mode
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be limited according to claim
Fixed and covering multitude of different ways is implemented.
Embodiment 1：
Referring to Fig. 1-5, a kind of axial flow blower, be particularly suitable for the axial flow blower of mine car braking resistor, including motor 3 with
And wheel member, the wheel member include out rotor and inner impeller, the out rotor and the inner impeller are arranged at described
On the output shaft of motor 3, drives the out rotor rotation to realize that axial flow blower radiates to extraneous component by motor 3, lead to
Crossing motor 3 drives the inner impeller rotation to realize the heat dissipation of axial flow blower therein.
The motor 3 be equipped with the inner impeller one end be equipped with airflow inlet, the motor 3 far from the inner impeller one
End is equipped with air stream outlet 6, and the air stream outlet 6 is uniformly at intervals on arc surface of the motor 3 far from described inner impeller one end；It is described
Inner impeller rotation enters inside motor 3 to go out through air-flow again to the air-flow (cooling wind) to radiate inside motor 3 through airflow inlet
Mouth 6 is discharged.
The motor 3 includes the left side output shaft and right side output shaft of same central axis setting；3 left side output of the motor
Axis is equipped with lobus sinister wheel 1 (i.e. out rotor), and 3 right side output shaft of the motor is equipped with lobus dexter wheel 5 (i.e. out rotor and inner impeller structure
At combined impeller), the motor 3 can drive the lobus sinister wheel 1 and 5 synchronous rotary of lobus dexter wheel；The lobus sinister wheel 1 rotates
Realize that the rotation of lobus dexter wheel 5 can be to axial flow blower right side brake resistive dissipation simultaneously to axial flow blower left hand brake resistive dissipation
And it radiates simultaneously to the motor 3 in 5 left side of lobus dexter wheel.
The lobus sinister wheel 1 (i.e. out rotor) includes lobus sinister piece 1.1 and left wheel hub 1.2, refers to Fig. 2 and Fig. 3, the lobus sinister piece
1.1 are distributed on left wheel hub 1.2, and the left wheel hub 1.2 is fastened by fastener and 3 left side output shaft of motor.Preferably, described
Lobus sinister piece 1.1 is equipped with 16.
Referring to Fig. 4 (a) -4 (d), the lobus dexter wheel 5 (i.e. combined impeller) includes the first blade 5.1, right wheel hub 5.2, second
Blade 5.3 and core wheel 5.4；The core wheel 5.4 is arranged in one plane with 5.2 coaxial inner conductor of right wheel hub, by uniformly distributed
Second blade 5.3 being arranged connects 5.4 outer arc of the core wheel and 5.2 inner arc of right wheel hub, and described first
Blade 5.1 is uniformly arranged in 5.2 outer arc of right wheel hub；The lobus dexter wheel 5 by the core wheel 5.4 by fastener with it is described
The output shaft fastening on 3 right side of motor；First blade 5.1 rotation in the lobus dexter wheel 5 toward motor right side for conveying gas
Stream, which is realized, radiates to the braking resistor positioned at right side, and second blade 5.3 in the lobus dexter wheel 5 is rotated for electricity
Machine delivered inside air-flow is used for motor internal heat dissipating.
Preferably, first blade 5.1 is equipped with 16, and second blade 5.3 is equipped with 5.Lobus sinister piece 1.1, first
The parameters such as blade shape, setting angle can select (to can refer to existing according to actual demand in blade 5.1 and the second blade 5.3
Technology).
The lobus sinister wheel 1 is correspondingly provided with left air duct 2 and right air duct 4 respectively with the lobus dexter wheel 5；The left air duct 2 includes
Left outside cylinder 2.1, left guide vane 2.2 and left inside cylinder 2.3；The left outside cylinder 2.1 is arranged with 2.3 coaxial inner conductor of left inside cylinder, by
The left guide vane 2.2 being uniformly arranged connects 2.1 inner arc of left outside cylinder and 2.3 outer arc of left inside cylinder；It is described left inside
The concentric setting of output shaft of cylinder 2.3 and 3 left end of motor, the installation end that the left inside cylinder 2.3 passes through 3 left side of fastener and motor
(left inside cylinder 2.3, which is mounted on the installation end face in 3 left side of motor, to be sealed 3 left side of motor, therefore enters motor for face fastening
Air-flow inside 3 can only be discharged from air stream outlet 6)；The left outside cylinder 2.1 is constituted with the left inside cylinder 2.3 on the left of axial flow blower
Air duct, the left guide vane 2.2 carry out water conservancy diversion to left side air-flow, and the left guide vane 2.2 can optimize axis stream with the lobus sinister wheel 1 cooperation
Output performance on the left of wind turbine.
The right air duct 4 includes right outer barrel 4.1, right guide vane 4.2 and right inner cylinder 4.3；The right outer barrel 4.1 and the right side
4.3 coaxial inner conductor of inner cylinder is arranged, and is connected in 4.1 inner arc of right outer barrel and the right side by the right guide vane 4.2 being uniformly arranged
4.3 outer arcs of cylinder；The concentric setting of right side output shaft of the right inner cylinder 4.3 and motor 3, the right inner cylinder 4.3 is by tight
The installation end face on 3 right side of firmware and motor fastened (surface of the right inner cylinder 4.3 is equipped with notch, to inside motor 3 into
The air-flow of row heat dissipation enters after the notch inside motor 3)；The right outer barrel 4.1 constitutes axis stream wind with the right inner cylinder 4.3
Machine right air path, the right guide vane 4.2 carry out water conservancy diversion to right side gas flows, and the right guide vane 4.2 can be excellent with the lobus dexter wheel 5 cooperation
Change output performance on the right side of axial flow blower.
Referring to Fig. 5, convection preventing device 7, the right inner cylinder are additionally provided between the right inner cylinder 4.3 and the right wheel hub 5.2
4.3 are equipped with groove 4.4 close to the side of the right wheel hub 5.2, and the right wheel hub 5.2 is equipped with convex close to the side of right inner cylinder 4.3
Platform 5.5；The groove 4.4 and boss 5.5 match structure convection preventing device 7, the groove 4.4 and the boss 5.5
Between be equipped with gap, the groove 4.4 and the boss 5.5 being capable of relative rotation；Likewise, the left inside cylinder 2.3 with it is described
Convection preventing device 7 also is provided between left wheel hub 1.2.The convection preventing device 7 can prevent the 7 both sides air pressure of convection preventing device different
And cause cross-ventilation to influence the output performance of axial flow blower.
Preferably, the power of motor 3 is 60kw.
Using the technical solution of the present embodiment, specifically：
The axial flow blower of the present invention is installed to braking resistor cubicle middle finger Dingan County holding position, is paid attention to axial flow blower both ends
Export the braking resistor of air duct alignment both sides；Axial flow blower is powered to starting to operate and is radiated to braking resistor.
It applies the technical scheme of the present invention, effect is：
The present invention axial flow blower it is compact-sized, can be very good to cope with harsh installation environment；Axial flow blower can be same
When radiate to the braking resistor at both ends, relative to traditional axial flow blower radiating efficiency higher；The axial flow blower of the present invention
It can solve the heat dissipation problem of axial flow blower motor internal well, the design of lobus dexter wheel can meet same to external world's output cooling wind
When can also to motor internal convey cooling wind, relative to traditional motor radiating mode significant effect.
The power of the motor is 60kw, and following data is obtained by experiment test：
It is 8.2m into right side wind tube wind quantity under the cooperation of air duct and impeller3/s；It is into left side wind tube wind quantity
7.8m3Impeller is 0.2m to the air quantity inside motor on the right side of/s3/ s, right side impeller is to discharge quantity of fan 8m3/ s, total head 1400Pa.Into
Enter the air quantity inside motor to be discharged after the acting of left side blade after air stream outlet, impeller output in left side is up to air quantity 8m3/ s, entirely
Press 1400Pa.
Using the technical solution of the present embodiment, the bearing temperature rise on the left of motor on output shaft is 48K；Output shaft on the right side of motor
Bearing temperature rise be 46K；Winding temperature rise is 75K inside the motor.
Taking traditional motor type of cooling, (cooling airflow that axial flow blower generates takes away motor production through outer surface of motor
Raw heat) axial flow blower under same power of motor, same discharge quantity of fan (i.e. power of motor be 60kw, axial flow blower or so
Both sides discharge quantity of fan is 8m3/ s), the bearing temperature rise that output shaft on the left of motor is measured by experiment is 53K；Output shaft on the right side of motor
Bearing temperature rise be 52K；Winding temperature rise is 128K inside the motor.
By the above experimental data, it can be seen that, the with obvious effects of motor radiating of the invention is better than traditional motor radiating side
The temperature liter difference of formula, motor inside winding is the most apparent；The present invention has better heat dissipation effect that axial flow blower is had more
Good reliability and service life.
Embodiment 2：
Referring to Fig. 6, the present embodiment changes the structure of the lobus dexter wheel 5,5, the lobus dexter wheel on the basis of embodiment 1
Including right wheel hub 5.2, the second blade 5.3 and core wheel 5.4；Lobus dexter wheel 5 is not in external output gas flow in this implementation；The lobus dexter
Wheel 5 only radiates to axial flow blower motor internal 3.Axial flow blower is by being arranged the lobus sinister on 3 left side output shaft of motor
1 pair of braking resistor of wheel radiates.
Axial flow blower in the present embodiment is arranged the lobus sinister wheel 1 and radiates to extraneous component, and setting includes only right wheel
The lobus dexter wheel 5 of hub 5.2, the second blade 5.3 and core wheel 5.4 inside motor 3 to radiating；The lobus sinister wheel 1 and the right side
The division of labor of impeller 5 is clear, and the two cooperation can realize the demand to radiate to extraneous component and to 3 internal heat dissipating of motor well, simultaneously
Manufacturing cost is relatively low.
Embodiment 3：
Referring to Fig. 7, the present embodiment removes the lobus sinister wheel 1 on the basis of embodiment 1, and the motor 3 is provided only with right side
Output shaft；The output shaft on 3 right side of motor is equipped with lobus dexter wheel 5, and the rotation of lobus dexter wheel 5 can be achieved to radiate to braking resistor
Simultaneously to radiating inside motor 3.
The present embodiment is only arranged lobus dexter wheel 5,5 set pair motor of lobus dexter wheel, 3 internal heat dissipating and radiates work(to extraneous component
It can be；Axial flow blower volume in the present embodiment is more compact, in the conditional the present embodiment of installation environment
Axial flow blower practicability higher.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of axial flow blower, which is characterized in that including motor and wheel member, the wheel member includes out rotor and interior
Impeller, the out rotor and the inner impeller are arranged on the output shaft of the motor, and the out rotor is driven by motor
Rotation realizes that axial flow blower radiates to extraneous component, drives the inner impeller rotation to realize axial flow blower itself by motor
Internal heat dissipating；
One end that the motor is equipped with the inner impeller is equipped with airflow inlet, and the one end of the motor far from the inner impeller is equipped with
Air stream outlet, the inner impeller rotation enter inside motor again through air-flow the air-flow that motor inside is radiated through airflow inlet
Outlet discharge.
2. axial flow blower according to claim 1, which is characterized in that the motor includes two of same central axis setting
Output shaft, the out rotor are respectively arranged on two output shafts of motor with the inner impeller and are revolved by motor driving is synchronous
Turn, the out rotor rotation realizes that axial flow blower radiates to extraneous component, and the inner impeller rotation is realized to motor therein
Heat dissipation.
3. axial flow blower according to claim 1, which is characterized in that the output shaft of the motor is equipped with by the siphonal lobe
The combined impeller that wheel is constituted with the inner impeller；Motor is for driving the combined impeller to be rotated, the out rotor rotation
Realize that axial flow blower radiates to extraneous component, the inner impeller rotation, which is realized, radiates to motor therein.
4. axial flow blower according to claim 1, which is characterized in that the motor includes two of same central axis setting
Output shaft；There are two the out rotors, and an out rotor constitutes combined impeller, another described siphonal lobe with the inner impeller
Wheel is separately provided；
The combined impeller is arranged on an output shaft of motor, another described out rotor be arranged motor another is defeated
On shaft；Motor drives the combined impeller and another described out rotor synchronous rotary；Two out rotor rotations are realized
Extraneous component heat dissipation to axial flow blower both ends, the inner impeller rotation, which is realized, radiates to motor therein.
5. axial flow blower according to any one of claims 1-4, which is characterized in that further include and the matched wind of out rotor
Cylinder；The air duct includes inner cylinder, guide vane and outer barrel, the inner cylinder and the concentric setting of the outer barrel and is connect by guide vane；Institute
State inner cylinder and the concentric setting of the motor output shaft, the air duct by the inner tube installation on the installation end face of motor,
The guide vane plays guide functions, and the inner barrel and outer barrel forms air duct.
6. axial flow blower according to claim 5, which is characterized in that the wheel hub of the out rotor close to the inner cylinder one
It is additionally provided with convection preventing device between end and the inner cylinder.
7. axial flow blower according to claim 6, which is characterized in that the convection preventing device includes being arranged in the siphonal lobe
Groove on wheel wheel hub is formed with the boss being arranged on the inner cylinder；
Either, the convection preventing device includes the boss being arranged on the out rotor wheel hub and is arranged on the inner cylinder
Groove forms；
Gap is equipped between the groove and the boss, the groove being capable of relative rotation with the boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810768202.9A CN108757525A (en) | 2018-07-13 | 2018-07-13 | A kind of axial flow blower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810768202.9A CN108757525A (en) | 2018-07-13 | 2018-07-13 | A kind of axial flow blower |
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| CN108757525A true CN108757525A (en) | 2018-11-06 |
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| CN201810768202.9A Pending CN108757525A (en) | 2018-07-13 | 2018-07-13 | A kind of axial flow blower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114629281A (en) * | 2021-12-06 | 2022-06-14 | 鑫磊压缩机股份有限公司 | Motor integrated structure that heat-sinking capability is good |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Application publication date: 20181106 |