CN205533310U - Vertical fan that directly allies oneself with - Google Patents
Vertical fan that directly allies oneself with Download PDFInfo
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- CN205533310U CN205533310U CN201520867280.6U CN201520867280U CN205533310U CN 205533310 U CN205533310 U CN 205533310U CN 201520867280 U CN201520867280 U CN 201520867280U CN 205533310 U CN205533310 U CN 205533310U
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Abstract
The utility model discloses a vertical fan that directly allies oneself with. Mainly include: axle, bearing, three -dimensional curved surface impeller, permanent magnet rotor, no iron core stator coil and impeller shell, the axle is installed on impeller shell through the bearing, permanent magnet rotor, impeller and axle fixed connection, stator coil and impeller shell fixed connection, the impeller is arranged in the impeller shell. Stator coil and permanent magnet rotor coupling, the stator coil opposite side symmetrical with permanent magnet rotor still is equipped with the magnetizer, with the integrated vertical installation as an organic whole of brushless DC motor and impeller, make lift balance that impeller and rotor gravity and three -dimensional impeller during operation produced, furthest's the axial force on the bearing that reduces, use with the brushless motor driver is supporting, the pick -up current is little, power factor is high, has improved the electric efficiency. By coil direct drive rotor, high -speed shaft coupling, the cost is reduced have not only been practiced thrift with the impeller to the rotor to improved system efficiency, the weight loss has few, the small advantage of part, and simple structure is compact.
Description
Technical field
This utility model relates to a kind of blower fan, particularly relates to a kind of vertical direct coupled blower fan.Belong to aerodynamic scope
One branch's blower fan field.
Background technology
At present, the state of the art great majority of blower fan are to utilize motor for motive power, drive bidimensional impeller that aspiration is entered pressure
Contracting is in the operation principle discharged.Be widely used in ventilation, smoke evacuation, sewage disposal, material transportation, etc. field.
Common blower fan, is mainly made up of several parts such as motor, impeller, Blower Housings, is to utilize centrifugal impeller structure
Reach gas boosting, but current most of blower fan be less than 3000 rpms of low speed, although at some electric tools and
Vacuum cleaner there is the rotating speed using series excitation type motor higher but interference is big, the life-span is short, efficiency is low will progressively be eliminated.Wherein, from
Core type blower fan, is mainly made up of parts such as axle, receded disk impeller, rotor, stator, bearing, casing.But present blower fan is owing to being
50HZ alternating current power supply is powered, so motive power motor speed is low, causes existing blower fan many in low speed segment work, efficiency occurs
Present situation low, that volume is big, pressure ratio is little, in the case of requiring high rotating speed, high pressure ratio, big flow, life-span length, it is impossible to meets
The needs of high speed steady running, are also to be badly in need of very much present off core type high-speed turbine refrigeration and vehicle electric assist air supercharger
High-speed fan.
Summary of the invention
For overcoming the deficiency of existing design, the open a kind of vertical direct coupled blower fan of the present invention, by by brshless DC motor with
Three-dimensional blades becomes one, and three-dimensional blades directly couples with rotor and vertical installation, stator coil directly drive forever
Magnet rotor drives three-dimension curved surface wheel rotation, it is desirable to provide a kind of simple in construction, the blower fan of high-speed stable running.
The present invention is achieved through the following technical solutions:
A kind of vertical direct coupled blower fan, including: axle, bearing, p-m rotor, stator coil, impeller and impeller housing；Axle passes through axle
Holding and be arranged in impeller housing, p-m rotor, impeller are fixing with axle to be connected；The stator coil being correspondingly arranged with p-m rotor and impeller
Shell is fixing to be connected；Impeller is placed in impeller housing；Described impeller is three-dimension curved surface impeller, and described stator coil is iron-less core coil.
On the basis of technique scheme, further:
In the present invention, p-m rotor and the stator coil being correspondingly arranged can use two kinds of distribution modes:
Mode one: axial type be distributed, the permanent magnet of p-m rotor press the axial arranged evenly around axle of axle, i.e. p-m rotor in
Cylindrical shape, the stator coil corresponding with p-m rotor also presses the axial arranged evenly around axle of axle, i.e. stator coil also in accordingly
Cylindric.
Mode two: radial be distributed, p-m rotor press axle radial distribution arrangement, i.e. p-m rotor is disc-shaped, with permanent magnetism
The stator coil that rotor is corresponding also can press the arranged evenly radially about axle of axle, i.e. stator coil also in corresponding plate-like.
Radial distribution formula structure is better than axial distribution formula structure, because active force face area square is multiplied by π equal to radius,
Increasing equal to the length increasing the arm of force, same consumption Magnet amount output moment of torsion increase of radius.
Described p-m rotor and stator coil use axial type distribution, i.e. p-m rotor cylindrically, stator coil also in
Corresponding cylindric.It is additionally provided with magnetic conductor cylinder；When p-m rotor is in stator coil, magnetic conductor jacket casing is loaded on outside stator coil
Side；When p-m rotor is when stator coil is outer, and magnetic conductor cylinder is placed in inside stator coil.Magnetic conductor cylinder together turns with p-m rotor
Dynamic.
P-m rotor and stator coil are placed in the cavity of impeller body, and impeller body is provided with the heat dissipation ventilation of cavity and leads to
Road.
Described p-m rotor uses radial distribution, i.e. p-m rotor is disc-shaped, and p-m rotor is located at the one of stator coil
Side.Also include that magnetic conduction body disc, magnetic conduction body disc and p-m rotor are symmetrically set in the opposite side of stator coil.
Side is provided with radially guide vane after the impeller, and guide vane is fixed with impeller housing by back plate.
Also including sencond stage impeller, sencond stage impeller is fixing with axle to be connected, and is provided with guider between impeller and sencond stage impeller.
Being correspondingly provided with limited block with shaft end head, limited block is fixing with impeller housing to be connected, and limited block and shaft end head have gap；?
Fill between limited block and shaft end head and spacing ball also can be installed.
By being become one with impeller by brshless DC motor, impeller directly couples with rotor and vertical installation,
When making impeller and rotor gravity work with three-dimension curved surface impeller produce liters dynamic balance, to greatest extent reduction bearing on axial
Power；Owing to this blower fan is operated in high rotating speed, the strictest before installation carry out dynamic balancing, so out-of-balance force radially is the least, this
The mechanical bearing of sample high-speed fan is in bidirectional balanced state when working all the time, and upward direction is provided with spacing ball, each
The equal stress in direction is minimum, is substantially at freely rotatable state, so the life-span is longer.
Directly being driven p-m rotor to drive three-dimension curved surface wheel rotation by stator without iron core coil, rotating speed is up to 10000rpm
To more than 40000rpm.Present mechanical bearing has been able to reach this rotating speed, so using the letter of mechanical high-speed bearing arrangement
Single, price is low, direct connection makes the short stiff shaft that becomes of axle span run, and particularly radial formula high-speed electric expreess locomotive structure is the most shorter, more hold
Easily realize high-speed stable running.
Present invention employs high efficiency DC brushless iron-core less motor principle, stator coil and p-m rotor coupling, its structure
Constitute brush DC iron-core less motor, pass to electric current by motor driver to stator coil, utilize stator coil to be formed
Rotating excitation field, and then directly drive p-m rotor band moving axis and wheel rotation；Support the use with brushless motor driver, start electricity
Flow little, without iron loss, moment of torsion is big, power factor is high, little and improve electric efficiency to electrical network impact.Directly driven by coil
Rotor and impeller have not only saved high-speed coupling, reduce cost, and improve system effectiveness, and weight saving has parts
Less, the advantage that volume is little.Meanwhile, magnetic conductor cylinder that the opposite side at stator coil is provided with or magnetic conduction body disc, make stator line
The generation loop, magnetic field of circle opposite side, the magnetic flux density in increase stator coil, and magnetic conductor and p-m rotor synchronous axial system,
Eliminate the resistive torque that the magnetic line of force produces, it also avoid generation alternating magnetic field, substantially reduce applicator so that forever simultaneously
Magnet rotor can rotation at a high speed, impeller uses three-dimension curved surface impeller, and less diameter is more convenient for high speed operation, can produce efficiently
The wind of high pressure ratio, can be widely used for aeronautical environment control, vehicle air conditioning, mine ventilation, greenhouse cooling, fast food freezing, vacuum cleaner,
The fields such as material transportation, it is possible to replace existing domestic air conditioning.
Accompanying drawing explanation
The structure cross-sectional schematic of Fig. 1 embodiment of the present invention 1
The structure cross-sectional schematic of Fig. 2 embodiment of the present invention 2
The structure cross-sectional schematic of Fig. 3 embodiment of the present invention 3
The structure cross-sectional schematic of Fig. 4 embodiment of the present invention 4
The structure cross-sectional schematic of Fig. 5 embodiment of the present invention 5
The structure cross-sectional schematic of Fig. 6 embodiment of the present invention 6
Fig. 7 present invention radially guide vane schematic diagram
Labelling in figure: 11-axle, 12-bearing, 13-radially guide vane, 14-limited block, 15-positive stop bead,
21-p-m rotor, 22-stator coil, 23-magnetic conductor cylinder or magnetic conduction body disc
31-impeller, 32-impeller housing, 33-back plate, 34-sencond stage impeller, 35-guider.
Detailed description of the invention
Below, in conjunction with accompanying drawing, the detailed description of the invention of vertical direct connection fan is further described.
Vertical direct coupled blower fan, including: axle 11, bearing 12, p-m rotor 21, stator coil 22, impeller and 31 impeller housing 32；
Axle is arranged in impeller housing by bearing, and p-m rotor, impeller are fixing with axle to be connected；The stator line being correspondingly arranged with p-m rotor
Enclose be connected fixing with impeller housing；Impeller is placed in impeller housing；Described impeller is three-dimension curved surface impeller, and described stator coil is iron-free
Core coil.
Bearing 12 is arranged between axle 11 and support, and p-m rotor 21, impeller 31 are fixing with axle 11 to be connected；With p-m rotor
The stator coil 22 being correspondingly arranged is fixing with support to be connected；Impeller housing 32 and the fixing connection of support.For installing upper bearing
Support is provided with inlet channel, and lower bearing is arranged in the back plate 33 of impeller housing.
Now enumerate several preferably specific embodiment, but the enforcement of the present invention is not limited to the shape cited by following example
Formula.
Embodiment 1 p-m rotor axial type is distributed, blower fan vertical.
Seeing Fig. 1, p-m rotor 21 and stator coil 22 all uses axial type to be distributed, and the permanent magnet of p-m rotor presses axle
The most arranged evenly around axle, the stator coil corresponding with p-m rotor also presses the axial arranged evenly around axle of axle, i.e. p-m rotor
And stator coil is the most cylindrically；It is provided with magnetic conductor cylinder 23, p-m rotor in the outside of the stator coil symmetrical with p-m rotor
21, stator coil 22 and magnetic conductor cylinder 23 are placed in the cavity of impeller 31 body, and magnetic conductor cylinder 23 is fixing with impeller body to be connected,
Rotate with axle.And p-m rotor 21 can exchange with magnetic conductor cylinder 23 position.
It is provided with spacing spin 15 between upper end and the limited block 14 of axle；Termination, axle bottom sets another group limited block 14 He
Spacing spin 15.
Magnetic conductor makes the generation loop, magnetic field of stator coil opposite side, increases the magnetic flux density in stator coil 22, and
This loop of magnetic conductor and p-m rotor synchronous axial system, eliminate the resistive torque that the magnetic line of force produces, also eliminate magnetic conductor and return
Road produces alternating magnetic field, substantially reduces applicator simultaneously so that p-m rotor energy efficient high-speed ground rotates.Impeller uses
Efficient three-dimension curved surface impeller, less diameter is more convenient for high speed operation.
Test result indicate that, rotating speed can reach more than 35000rpm, and wind pressure ratio can reach more than 2.5.
Embodiment 2 p-m rotor radial is distributed, the present embodiment vertical.
Seeing Fig. 2, impeller, axle and impeller housing basic structure are similar to Example 1, are particular in that: p-m rotor footpath
Being distributed to formula, p-m rotor presses the radial distribution arrangement of axle, and p-m rotor is disc-shaped, after p-m rotor dish is placed in impeller.Corresponding
Stator coil be concentratred winding, also arranged evenly radially about axle by axle.This structure is suitable for the most slow-revving wind of high pulling torque
Machine uses.
Test result indicate that, rotating speed can reach more than 15000rpm.Wind pressure ratio can reach more than 1.5.
Embodiment 3
Seeing Fig. 3, basic structure is similar to Example 2, is particular in that: stator coil also in flat plate-like,
The opposite side of the stator coil symmetrical with p-m rotor is provided with magnetic conduction body disc 23, and this magnetic conduction body disc is fixing with axle to be connected, stator line
Circle 22 is between p-m rotor 21 and magnetic conduction body disc 23；Side is provided with radially guide vane 13 after the impeller, and guide vane leads to
Later plate 33 is fixed with impeller housing.
By stator coil also in flat plate-like, reach to increase moment of torsion and reduce axial distance and make axle system be operated in rigidity shape
State, the critical effect that reduces, the purpose of increase moment of torsion.
Embodiment 4
Seeing Fig. 4, basic structure is similar to Example 1, is particular in that: p-m rotor and stator coil are not disposed in leaf
Wheel is the most internal, and is placed in the upper end of axle, and p-m rotor 21 is sleeved on outside stator coil 22, and magnetic conductor cylinder 23 is placed in stator line
Fix with axle in circle and be connected and rotate with axle；Side is provided with radially guide vane 13 after the impeller, and guide vane passes through back plate 33
It is fixed in impeller housing.Owing to being air inlet, motor is placed in herein, beneficially the heat radiation of motor, and this structure is more suitable for big merit
Rate, the occasion of high pulling torque.
Embodiment 5
See Fig. 5, on the basis of embodiment 1, add sencond stage impeller.
Basic structure is similar to embodiment 1, additionally, add again sencond stage impeller 34 after original impeller 31, and at leaf
Being provided with guider 35 between wheel 31 and sencond stage impeller 34, sencond stage impeller is fixing with axle to be connected, and guider 35 is by support and impeller
Shell connects.
In the case of equal rotating speed, it is achieved the function that supercharging is a times, improve motor utilization rate, make same rotating speed motor reach
Purpose to more high pressure ratio.
Embodiment 6
See Fig. 6, on the basis of embodiment 3, do structural adjustment.
Basic structure is similar to embodiment 3, and difference is, two groups of bearings on axle are mounted on the rear end of axle.
Shaft end head does not install axle limited block 14 and spacing spin 15.And according to installing the position needing p-m rotor 21 with magnetic conduction body disc 23
Put and can exchange.
This structure is easily installed debugging when low-power fan manufactures, and two bearings install good concentricity, precision in side
High, saved upper bearing (metal) support.
The present invention uses mechanical bearing, vertical installation, and after brush DC driver is directly installed on draught fan impeller
On plate, not only reduced volume, but also saved the radiator of driver and the impeller side of impeller back plate is provided with stator without iron core
Coil and coil radial outside are provided with radially water conservancy diversion leaf, the electronic component of driver and stator under the flow at high speed effect of wind
Coil can preferably dispel the heat, and makes electric elements load capacity higher, electromechanical integration fusion structure this be also the present invention at knot
Innovative point on structure.
Test result indicate that, rotating speed can reach more than 60000rpm, and wind pressure ratio can reach more than 3.0.
The foregoing is only preferable possible embodiments of the present utility model, not thereby limit to the scope of the claims of the present invention,
Therefore the equivalent structure change that every utilization description of the invention content is made, it is both contained in protection scope of the present invention.
Claims (10)
1. a vertical direct coupled blower fan, including: axle, bearing, p-m rotor, stator coil, impeller and impeller housing；Axle passes through bearing
Being arranged in impeller housing, p-m rotor, impeller are fixing with axle to be connected；The stator coil being correspondingly arranged with p-m rotor and impeller housing
Fixing connection；Impeller is placed in impeller housing；It is characterized in that, described impeller is three-dimension curved surface impeller, and described stator coil is nothing
Iron-core coil.
Vertical direct coupled blower fan the most according to claim 1, it is characterised in that described p-m rotor and stator coil use axially
Formula is distributed, and i.e. p-m rotor is cylindrically, stator coil is also in corresponding cylindric.
Vertical direct coupled blower fan the most according to claim 2, it is characterised in that be additionally provided with magnetic conductor cylinder；When p-m rotor is fixed
Time in subcoil, magnetic conductor jacket casing is loaded on outside stator coil；When p-m rotor is when stator coil is outer, and magnetic conductor cylinder is placed in fixed
Inside subcoil.
4. according to vertical direct coupled blower fan described in Claims 2 or 3, it is characterised in that p-m rotor and stator coil are placed in impeller
In the cavity of body.
Vertical direct coupled blower fan the most according to claim 1, it is characterised in that described p-m rotor uses radial distribution, i.e.
P-m rotor is disc-shaped, and p-m rotor is located at the side of stator coil.
Vertical direct coupled blower fan the most according to claim 5, it is characterised in that also include magnetic conduction body disc, magnetic conduction body disc and permanent magnetism
Rotor is symmetrically set in the opposite side of stator coil.
7. according to vertical direct coupled blower fan described in claim 1,2,3,5 or 6, it is characterised in that side is provided with radially after the impeller
Guide vane, guide vane is fixed with impeller housing by back plate.
8. according to vertical direct coupled blower fan described in claim 1,2,3,5 or 6, it is characterised in that also include sencond stage impeller, two grades of leaves
Take turns be connected fixing with axle, between impeller and sencond stage impeller, be provided with guider.
9. according to vertical direct coupled blower fan described in claim 1,2,3,5 or 6, it is characterised in that be correspondingly provided with spacing with shaft end head
Block, limited block is fixing with impeller housing to be connected, and limited block and shaft end head have gap.
Vertical direct coupled blower fan the most according to claim 9, it is characterised in that be provided with spacing between limited block and shaft end head
Ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520867280.6U CN205533310U (en) | 2015-11-02 | 2015-11-02 | Vertical fan that directly allies oneself with |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520867280.6U CN205533310U (en) | 2015-11-02 | 2015-11-02 | Vertical fan that directly allies oneself with |
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| Publication Number | Publication Date |
|---|---|
| CN205533310U true CN205533310U (en) | 2016-08-31 |
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| CN201520867280.6U Active CN205533310U (en) | 2015-11-02 | 2015-11-02 | Vertical fan that directly allies oneself with |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452007A (en) * | 2016-11-11 | 2017-02-22 | 中国煤炭科工集团太原研究院有限公司 | A multi-disc type large power limited-moment type permanent-magnetism eddy current shaft coupling |
| CN106640693A (en) * | 2015-11-02 | 2017-05-10 | 北京良明宇航节能动力装备技术开发中心 | Vertical type direct connection draught fan |
| CN110043486A (en) * | 2019-04-02 | 2019-07-23 | 中国北方发动机研究所(天津) | A kind of dynamoelectric compressor |
-
2015
- 2015-11-02 CN CN201520867280.6U patent/CN205533310U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640693A (en) * | 2015-11-02 | 2017-05-10 | 北京良明宇航节能动力装备技术开发中心 | Vertical type direct connection draught fan |
| CN106452007A (en) * | 2016-11-11 | 2017-02-22 | 中国煤炭科工集团太原研究院有限公司 | A multi-disc type large power limited-moment type permanent-magnetism eddy current shaft coupling |
| CN110043486A (en) * | 2019-04-02 | 2019-07-23 | 中国北方发动机研究所(天津) | A kind of dynamoelectric compressor |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161014 Address after: 100072 Beijing city Fengtai District Changxindian Beiguan No. 102 Patentee after: Good bright aerospace energy-saving power equipment technology development centre, Beijing Address before: 100072 Beijing city Fengtai District Changxindian Beiguan No. 102 Patentee before: Good bright aerospace energy-saving power equipment technology development centre, Beijing Patentee before: Tong Xianliang Patentee before: Chen Yu |