CN106286346B - A kind of axial fan - Google Patents
A kind of axial fan Download PDFInfo
- Publication number
- CN106286346B CN106286346B CN201610874772.7A CN201610874772A CN106286346B CN 106286346 B CN106286346 B CN 106286346B CN 201610874772 A CN201610874772 A CN 201610874772A CN 106286346 B CN106286346 B CN 106286346B
- Authority
- CN
- China
- Prior art keywords
- rotor
- axial fan
- circular arc
- stator
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 19
- 238000009413 insulation Methods 0.000 claims description 15
- 239000000178 monomer Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 9
- 230000004044 response Effects 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 238000004804 winding Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000004020 conductor Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 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
- 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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
- F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
- F04D25/0633—Details of the magnetic circuit
-
- 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
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
- F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
- F04D25/064—Details of the rotor
-
- 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
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
- F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
- F04D25/0646—Details of the stator
-
- 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
- F04D29/38—Blades
- F04D29/384—Blades characterised by form
- F04D29/386—Skewed blades
-
- 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
- F04D29/663—Sound attenuation
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention discloses a kind of axial fan, is related to blower technical field.The axial fan includes shell, and motor is fixed in shell, and impeller is connected on the output shaft of motor, is provided with blade on impeller；Motor includes stator and the rotor that is socketed in stator, equipped with radius not equal irregularly-shaped inner hole in stator, for installing rotor and forming between rotor not equal air gaps；The surface of rotor is provided with " V " type skewed slot.The present invention passes through the optimization design of stator and rotor, so that axial fan overcomes mechanical friction and load torque within a short period of time, realizes quick response；Reduce the noise generated during fan operation, vibration simultaneously, eliminates the additional torque that conventional rotors flume structure generates in the axial direction, improve the overall performance of axial fan.
Description
Technical field
The present invention relates to blower technical field more particularly to a kind of axial fans.
Background technique
Blower is to improve gas pressure by the mechanical energy of input and supply gas side by side the machinery of body, it is a kind of driven stream
Body is mechanical.Blower is not only widely used in the ventilation of factory, mine, tunnel, cooling tower, vehicle, ship and building, dust discharge
And cooling, while being also applied for the cooling and ventilation of the apparatus of air conditioning and domestic electric appliance.Blower presses gas flow direction
Classification, can be divided into the types such as centrifugal, axial-flow type, diagonal flow type and cross-flow type.The mainly axial fan of the application research,
When axial fan works, engine driving impeller rotates in cylindrical casing, and gas enters from collector, is obtained by impeller
Energy is obtained, pressure and speed are improved, then along axial discharge.
Firstly, motor is particularly important as the component of driving draught fan impeller work, as shown in Figure 1, it is in the design, stator
Internal diameter mostly using etc. circle structure.It is not only convenient in processing in this way, but also save the link and technique of dimension control
On to the controlling unit of processing dimension.Meanwhile in order to improve the harmonic wave of motor, the detent torque of motor is improved, in rotor
Design in, generally use the structure (such as Fig. 2) of rotor chute.Secondly, shape of the current stator winding technique due to stator core
Shape limitation generally can only carry out stator winding using flying trident axis winding mode.When work, is rotated by flying trident axis and drive turntable and fly
Fork rotation, enameled wire pass through hollow shaft, are then passed through flying trident, then coiling.In addition, impeller is the main component of axial fan,
Its geometry, size, lobe numbers and the accuracy of manufacture has a significant impact to fan performance, therefore, existing impeller need through
It just can guarantee that blower smoothly rotates after static balance or dynamic balance calibration.
For the structure of above-mentioned axial fan, when motor is wanted in some particular applications, such as to staring torque
The stator of the occasion asked, motor is needed comparatively fast can to start and respond within a short period of time, the circle such as traditional internal diameter can not be preferably
Meet the requirement.And rotor chute, although can solve these problems, rotor chute mode can bring frock clamp
Special designing, investment and productive temp increase, and influence production efficiency, and rotor chute discontinuity equalization (such as Fig. 3), will affect
The reliability of product reduces product quality.In addition, motor carries out stator winding using flying trident mode, the coiling time is long, and to around
Line equipment and tooling required precision are higher, and equipment investment is also big.About impeller, the blade (such as Fig. 4) of existing blower is mainly strong
The inhibition of the secondary flow to pressure face to suction surface has been adjusted, the intensity in leaf top leakage whirlpool is reduced, there is no pass through control leakage
The size of control noise is carried out in the direction in whirlpool.
Summary of the invention
The purpose of the present invention is to provide one kind can be reduced fan noise, vibration, improves the axial-flow type of blower overall performance
Blower, to solve the above problems.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of axial fan, including shell are fixed with motor in the shell, are connected on the output shaft of the motor
Impeller, is provided with blade on the impeller, and the motor includes stator and the rotor that is socketed in stator, is equipped in the stator
The irregularly-shaped inner hole that radius does not wait does not wait air gaps for installing rotor and being formed between rotor；The surface of the rotor is provided with
" V " type skewed slot.
As a kind of preferred embodiment of axial fan, the irregularly-shaped inner hole by the different circular arc of at least two sections of radiuses successively
It is spliced.
As a kind of preferred embodiment of axial fan, the irregularly-shaped inner hole is by the first circular arc being arranged alternately and the second circle
Arc is spliced to form, wherein the radius of the first circular arc is greater than the radius of the second circular arc, and each first circular arc and the second circular arc difference
About the irregularly-shaped inner hole central symmetry.
As a kind of preferred embodiment of axial fan, the central angle of first circular arc is 45 degree, the circle of the second circular arc
Heart angle is 135 degree.
As a kind of preferred embodiment of axial fan, " V " the type skewed slot includes symmetrical left side skewed slot and the right side
Skew back slot.
As a kind of preferred embodiment of axial fan, the stator include the outer iron core being successively socketed from outside to inside, absolutely
Edge skeleton and interior iron core, wherein being wound with electromagnetic coil in the insulation framework.
As a kind of preferred embodiment of axial fan, the insulation framework includes at least two successively affixed skeleton lists
Body is wound with electromagnetic coil on each backbone monomer respectively.
As a kind of preferred embodiment of axial fan, the insulation framework includes the connected left skeleton and right bone of clamping
Frame, is provided with through-hole on the left skeleton and right skeleton, the two sides of the interior iron core be equipped with matched with the through-hole it is convex
Block, the interior iron core are mounted in insulation framework by convex block and through-hole.
As a kind of preferred embodiment of axial fan, the top of the blade is equipped with tip vane, the tip vane
Certain angle is bent towards pressure face direction by the suction of blade.
As a kind of preferred embodiment of axial fan, the tip vane is 0-30 relative to the curved angle of blade
Degree.
The invention has the benefit that
Axial fan provided by the invention can improve air-gap field waveform using the stator inner hole air-gap design such as not, excellent
Change the distribution of breath magnetic resistance, improves the detent torque of motor, and then realize the relatively fast-response of motor；Meanwhile the blower passes through setting
Rotor " V " type flume structure can weaken the harmonic component of air-gap field, reduce electromagnetism bring noise, vibration etc., and can disappear
Except in operational process, the additional torque that conventional rotors flume structure generates in the axial direction, further increase bearing service life and
The reliability of system.By the optimization design of stator and rotor, so that the motor of axial fan overcomes machine within a short period of time
Tool friction and load torque realize quick response, to substantially increase the overall performance of axial fan.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, institute in being described below to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also implement according to the present invention
The content of example and these attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of stator inner hole in the axial fan of prior art offer；
Fig. 2 is the structural schematic diagram of rotor chute in the axial fan of prior art offer；
Fig. 3 is the force analysis figure of rotor in Fig. 2；
Fig. 4 is the structural schematic diagram of the blade for the axial fan that the prior art provides；
Fig. 5 is the structural schematic diagram for the axial fan that embodiment of the present invention provides；
Fig. 6 is the structural schematic diagram for the stator irregularly-shaped inner hole that embodiment of the present invention provides；
Fig. 7 is the structural schematic diagram of rotor " V " type skewed slot that embodiment of the present invention provides；
Fig. 8 is the force analysis figure of rotor in Fig. 7；
Fig. 9 is the assembly structure figure for the stator that embodiment of the present invention provides；
Figure 10 is the flow process chart for the stator that embodiment of the present invention provides；
Figure 11 is the structural schematic diagram for the blade that embodiment of the present invention provides.
In figure:
4 ', blade；42 ', suction surface；43 ', pressure face；5 ', stator；51 ', stator inner hole；6 ', rotor；61 ' rotors are oblique
Slot；
1, shell；2, motor；3, impeller；4, blade；5, stator；6, rotor；
41, tip vane；42, suction surface；43, pressure face；51, irregularly-shaped inner hole；52, outer iron core；53, insulation framework；54,
Interior iron core；61, " V " shape skewed slot；
511, the first circular arc；512, the second circular arc；531, through-hole；541, convex block.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
It will the technical scheme of the embodiment of the invention will be described in further detail in conjunction with attached drawing, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
As shown in Fig. 5-Figure 11, present embodiments provide for a kind of preferred axial fan, the blower include shell 1,
Motor 2, impeller 3 and the blade 4 on impeller 3, wherein motor 2 is fixedly mounted in shell 1, the output shaft and leaf of motor 2
3 connection of wheel, rotates for impeller 3 and blade 4.Motor 2 of the present invention includes stator 5 and the rotor 6 being socketed in stator 5,
The irregularly-shaped inner hole 51 not waited in stator 5 equipped with radius wherein does not wait air gaps for installing rotor 6 and being formed between rotor 6.This
Invention passes through the design of not equal air gaps, substantially improves air-gap field waveform, optimizes the distribution of breath magnetic resistance, improves motor
Detent torque, and then realize the relatively fast-response of motor.
In present embodiment, irregularly-shaped inner hole 51 is successively spliced by the different circular arc of at least two sections of radiuses, specifically, such as
Shown in Fig. 6, which includes two section of first circular arc 511 and two section of second circular arc 512, wherein the first circular arc 511 and the
Two circular arcs 512 are in circumferencial direction successively alternative splicing, to form the irregularly-shaped inner hole 51.Here, the radius of the first circular arc 511 is big
In the radius of the second circular arc 512, to guarantee the not equal air gaps between stator and rotor.By constantly analyzing and sample test, this
The design of the non-uniform gap of invention axial fan can be according to following empirical equation:
D2/2=D1/2+K,
Wherein: D2 is the diameter of the first circular arc 511, represents big air gap；
D1 is the diameter of the second circular arc 512, represents small air gap；
K is the semidiameter of the first circular arc 511 and the second circular arc 512, value range 0.1cm, 0.15cm, 0.2cm,
0.25cm or 0.3cm.
According to different types of axial fan, after being tested, above-mentioned suitable numerical value is selected.
In addition, each section of the first circular arc 511 of the present invention is about irregularly-shaped inner hole in order to ensure the balance of above-mentioned non-uniform gap
51 center symmetric setting has first circular arc 511 of one section of equal sizes size in the position of corresponding 180 degree；Equally, second
The setting of circular arc 512 is also such.Preferably, the central angle θ of the first circular arc 511 is 45 degree in present embodiment, the second circular arc
512 central angle is 135 degree.
As shown in fig. 7, the surface of rotor 6 is provided with " V " type skewed slot 61, being somebody's turn to do " V " type skewed slot 61 includes a symmetrical left side
Skew back slot and right side skewed slot.The both ends of rotor 6 are respectively according to the mutual closed assembly of certain angle, after blower is powered, 6 upper conductor of rotor
Induced electromotive force is generated, because of the presence of end ring, generates induced current.According to Lenz's law, the conductor of energization generates in magnetic field
The calculation formula of electromagnetic force, motor electromagnetic forces is as follows:
F∝B*I*L
In formula: B represents air gap and is averaged flux density；
I represents the current effective value that conductor passes through；
L represents the effective length of conductor；
∝ symbol is expressed as direct proportion.
As shown in Figure 8, the electromagnetic force that the conductor on 6 both sides of rotor generates can be broken into axially and tangentially component, wherein
F1y=sin θ1*F1, F1x=cos θ1*F1,F2y=sin θ2*F2, F2x=cos θ2*F2.By above-mentioned analysis it is found that in the axial direction
An additional additional force can be generated, in order to eliminate axial additional force, it is necessary to make F1y=F2y, that is, guarantee that the conductor of two sides has
It is identical for imitating length L；While stabilization and reliability in order to keep motor operation, it need to guarantee F1x=F2x.In conclusion answering
Guarantee θ1=θ2, and the consistency of thickness of both sides closed assembly.
The blower can weaken the harmonic component of air-gap field, be effectively improved gas by setting rotor " V " type flume structure
Gap waveform reduces electromagnetism bring noise, vibration etc., and can eliminate in operational process, and conventional rotors flume structure is in axial side
To the additional force of generation, the service life of bearing and the reliability of system are further improved.
As shown in Figure 9 and Figure 10, stator 5 of the present invention adopts a split structure comprising what is be successively socketed from outside to inside is outer
Iron core 52, insulation framework 53 and interior iron core 54 are wherein wound with electromagnetic coil in insulation framework 53.In 5 production process of stator,
Stator core is divided into interior iron core 54 and 52 two parts of outer iron core, winding process can directly carry out in insulation framework 53, and
It is higher flat around completion that winding efficiency can be used, then interior iron core 54 will be inserted into around the insulation framework 53 of complete line, finally by interior iron
Core 54 and insulation framework 53, which are co-pressed into outer iron core 52, to be integrated.
Specifically, insulation framework 53 includes two connected backbone monomers of clamping, respectively left skeleton and right skeleton, left and right
Electromagnetic coil is wound on two skeletons.In addition, the side of left skeleton and right skeleton is also provided with through-hole 531, interior iron core
54 two sides are equipped with the convex block 541 matched with through-hole 531, and interior iron core 54 is mounted on insulation bone by convex block 541 and through-hole 531
On frame 53.Stator of the present invention adopts a split structure, and realizes to can be completed without interior coiling (flying trident coiling) with this configuration and determine
The production of sub-component, simplifies equipment requirement, greatly reduces the winding process time, improves winding efficiency；Meanwhile the design
The production investment and equipment investment of blower motor are also reduced, the convenience of the blower manufacturing is provided.
It is the structure of blade 4 of the present invention shown in Figure 11, the top of the blade 4 is equipped with tip vane 41.Tip vane 41 is
Blade 4 is cut off along the high direction of leaf close to blade tip part, using the vertical line of vane tip blade profile center of gravity excessively as rotary shaft, by leaf
Blade profile is formed after rotating by a certain angle from suction surface 42 to 43 direction of pressure face at the top of piece.Preferably, tip vane 41 is opposite
In the curved angle of blade 4 be 0-30 degree.
Tip vane 41 of the present invention is according to aircraft wing tip vane design principle, by reducing gas by pressure face 43
To the secondary flow of suction surface 42, reduces the intensity of tip leakage vortex, achieve the purpose that noise reduction；Leaf top is being inhibited to reveal whirlpool simultaneously
On the basis of intensity, tip vane 41 also can control leakage whirlpool direction, avoid remaining adjacent blades or stationary parts from occurring straight
Effect is connect, to achieve the purpose that reduce fan noise.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (6)
1. a kind of axial fan, including shell (1), the shell (1) is interior to be fixed with motor (2), the output of the motor (2)
It is connected on axis impeller (3), is provided with blade (4) on the impeller (3), which is characterized in that the motor (2) includes stator
(5) and the rotor (6) that is socketed in stator (5), equipped with radius not equal irregularly-shaped inner hole (51) in the stator (5), for pacifying
Cartridge rotor (6) simultaneously forms not equal air gaps, the irregularly-shaped inner hole (51) circular arc different by least two sections of radiuses between rotor (6)
Successively it is spliced；
The stator (5) is split type structure, including be successively socketed from outside to inside outer iron core (52), insulation framework (53) and interior
Iron core (54), wherein being wound with electromagnetic coil in the insulation framework (53)；The insulation framework (53) includes two clamping phases
Backbone monomer even, respectively left skeleton and right skeleton are wound with electromagnetic coil on the left skeleton and the right skeleton, institute
The side for stating left skeleton and the right skeleton is also provided with through-hole (531), the two sides of the interior iron core (54) be equipped with it is described
The convex block (541) that through-hole (531) matches, the interior iron core (54) are mounted on described exhausted by convex block (541) and through-hole (531)
On edge skeleton (53)；
The surface of the rotor (6) is provided with " V " type skewed slot (61).
2. axial fan according to claim 1, which is characterized in that the irregularly-shaped inner hole (51) by be arranged alternately
One circular arc (511) and the second circular arc (512) are spliced to form, wherein the radius of the first circular arc (511) is greater than the second circular arc (512)
Radius, and each first circular arc (511) and the second circular arc (512) are respectively about the irregularly-shaped inner hole (51) central symmetry.
3. axial fan according to claim 2, which is characterized in that the central angle of first circular arc (511) is 45
Degree, the central angle of the second circular arc (512) are 135 degree.
4. axial fan according to claim 1-3, which is characterized in that " V " the type skewed slot (61) includes
Symmetrical left side skewed slot and right side skewed slot.
5. axial fan according to claim 1, which is characterized in that the top of the blade (4) is equipped with tip vane
(41), the tip vane (41) is bent certain angle from the suction surface (42) of blade (4) to pressure face (43) direction.
6. axial fan according to claim 5, which is characterized in that the tip vane (41) is relative to blade (4)
Curved angle is 0-30 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610874772.7A CN106286346B (en) | 2016-09-30 | 2016-09-30 | A kind of axial fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610874772.7A CN106286346B (en) | 2016-09-30 | 2016-09-30 | A kind of axial fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106286346A CN106286346A (en) | 2017-01-04 |
| CN106286346B true CN106286346B (en) | 2019-11-08 |
Family
ID=57716769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610874772.7A Active CN106286346B (en) | 2016-09-30 | 2016-09-30 | A kind of axial fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106286346B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB747989A (en) * | 1953-09-17 | 1956-04-18 | Gen Motors Corp | Improved electric motor |
| CN101521416A (en) * | 2008-10-31 | 2009-09-02 | 卧龙电气集团股份有限公司 | Low Noise AC Motor |
| CN102913481A (en) * | 2012-01-16 | 2013-02-06 | 高靖中 | Axial flow fan impeller blade comprising double auxiliary wings |
| CN204213053U (en) * | 2014-10-31 | 2015-03-18 | 吴堂军 | The axial fan that a kind of noise is less |
| CN104500458A (en) * | 2014-12-25 | 2015-04-08 | 无锡科诺达电子有限公司 | Low-noise axial flow fan |
| CN206092472U (en) * | 2016-09-30 | 2017-04-12 | 依必安派特风机(上海)有限公司 | Axial flow fan |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0654500A (en) * | 1992-07-27 | 1994-02-25 | Matsushita Electric Ind Co Ltd | Brushless motor stator |
| CN203119732U (en) * | 2013-02-26 | 2013-08-07 | 珠海格力电器股份有限公司 | Single-phase brushless DC motor |
-
2016
- 2016-09-30 CN CN201610874772.7A patent/CN106286346B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB747989A (en) * | 1953-09-17 | 1956-04-18 | Gen Motors Corp | Improved electric motor |
| CN101521416A (en) * | 2008-10-31 | 2009-09-02 | 卧龙电气集团股份有限公司 | Low Noise AC Motor |
| CN102913481A (en) * | 2012-01-16 | 2013-02-06 | 高靖中 | Axial flow fan impeller blade comprising double auxiliary wings |
| CN204213053U (en) * | 2014-10-31 | 2015-03-18 | 吴堂军 | The axial fan that a kind of noise is less |
| CN104500458A (en) * | 2014-12-25 | 2015-04-08 | 无锡科诺达电子有限公司 | Low-noise axial flow fan |
| CN206092472U (en) * | 2016-09-30 | 2017-04-12 | 依必安派特风机(上海)有限公司 | Axial flow fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106286346A (en) | 2017-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5487649B2 (en) | Fan motor and blower equipped with the fan motor | |
| CN208364445U (en) | Blower | |
| EP2548805A2 (en) | Fan motor cooling and method | |
| JP6579270B2 (en) | Motor rotor, supercharger, and method of manufacturing motor rotor | |
| CN113410948A (en) | High-speed asynchronous motor integrating stator section and rotor blade | |
| US6461124B1 (en) | Through-flow blower with cooling fan | |
| CN206092472U (en) | Axial flow fan | |
| CN108286523A (en) | High-speed centrifugal pump directly driven by permanent magnet motor | |
| CN106286346B (en) | A kind of axial fan | |
| CN110601402A (en) | Sectional type rotor, motor, compressor and air conditioner | |
| CN110671346A (en) | Fan blower | |
| US5731644A (en) | Integral cooling air diffuser for electromechanical apparatus | |
| CN211351856U (en) | External rotor motor | |
| CN204376630U (en) | A kind of rotor with fan leaf | |
| JP2020005434A (en) | Electric motor with internal fan | |
| CN106787396A (en) | Electric machine for fan with air-cooled configuration | |
| CN208479289U (en) | Electronic ducted-fan blower | |
| JP2006188969A (en) | Windmill and wind power generator incorporating this windmill | |
| CN205991030U (en) | A kind of internal fan for electric machine | |
| WO2019120143A1 (en) | Improved structure of brushless motor of blower of range hood | |
| US20200052548A1 (en) | Cooling of an electric machine | |
| CN219711860U (en) | Centrifugal wind wheel, centrifugal fan and air conditioning system | |
| CN114183382B (en) | A fan and cleaning equipment | |
| CN113014054B (en) | Integrated shell-less motor | |
| CN211666939U (en) | Novel forward and reverse integrated axial flow fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240605 Address after: 201300 buildings 19, 21, 24, 26, 27, 28, 29, 30, 32 and 33, No. 399, Xuanzhong Road, Nanhui Industrial Park, Pudong New Area, Shanghai Patentee after: EBM papst motor (Shanghai) Co.,Ltd. Country or region after: China Address before: 200131, No. 418 Huajing Road, Waigaoqiao, Pudong New Area, Shanghai Patentee before: EBM-PAPST VENTILATOR (SHANGHAI) Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: No. 1, 2, and 9, Lane 196, Yuntong Road, Pudong New Area, Shanghai, 201299 Patentee after: EBM papst motor (Shanghai) Co.,Ltd. Country or region after: China Address before: 201300 buildings 19, 21, 24, 26, 27, 28, 29, 30, 32 and 33, No. 399, Xuanzhong Road, Nanhui Industrial Park, Pudong New Area, Shanghai Patentee before: EBM papst motor (Shanghai) Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |