CN107420321A - A kind of Permanent magnet axial flux frequency conversion fan - Google Patents
A kind of Permanent magnet axial flux frequency conversion fan Download PDFInfo
- Publication number
- CN107420321A CN107420321A CN201710524816.8A CN201710524816A CN107420321A CN 107420321 A CN107420321 A CN 107420321A CN 201710524816 A CN201710524816 A CN 201710524816A CN 107420321 A CN107420321 A CN 107420321A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- pedestal
- impeller
- frequency conversion
- rotor
- 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.)
- Pending
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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
- F04D25/088—Ceiling fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
-
- 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
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
-
- 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
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
-
- 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
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
-
- 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
- H02K1/14—Stator cores with salient poles
-
- 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
- H02K1/27—Rotor cores with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of Permanent magnet axial flux frequency conversion fan, including protection shell, pedestal, stator core, armature winding, rotor core, permanent magnet, impeller, bearing, clamping nut and fixed end cap.In the present invention, using plate-like iron core, fractional-slot concentratred winding；The synchronous motor of permanent magnet excitation is driven, and rotational speed regulation is realized by way of electric current frequency conversion, motor is in cup-shaped rotary blade；The fixed part of blower fan is connected with rotating part by bearing realizes spinfunction.The present invention is by using the unilateral magnetic force of axial-flux electric machine, the pressure to bearing for overcoming vibration problems and gravity belt of the blower fan rotary body in rotary course.
Description
Technical field
The invention belongs to axial-flux electric machine field, integral more particularly, to a kind of rotor and fan rotor,
Permanent magnet excitation, the electric fan of VFC.
Background technology
In the blower fan of traditional hanging installation, blade is vulnerable to unbalanced perturbed force in rotary work, sends out blade
Raw polarization is swung, and bearing can be damaged.Simultaneously as the Action of Gravity Field of fan rotor, bearing can bear the axial direction of part
Power, the abrasion of bearing can be accelerated, reduce service life.Conventional fan typically, as motor, is felt using using induction machine
Answering motor, it has the characteristics of control is simple, simple in construction, cheap, still as the industrial motor being most widely used
Poor governor control characteristics limits its application scenario, and in the case where some require larger speed adjustable range operating mode, efficiency is low, it is serious to generate heat.
The content of the invention
For problem of the prior art, the invention provides a kind of Permanent magnet axial flux frequency conversion fan, make permanent magnet synchronous electric
The mode of machine VFC reaches good speed adjusting performance, and polarization swing easily occurs for solution prior art blade causes brokenly to bearing
It is bad, the technical problems such as fan speed regulation characteristic is poor, efficiency is low under big speed adjustable range operating mode, heating is serious.
A kind of Permanent magnet axial flux frequency conversion fan proposed by the present invention, including pedestal, stator core, stator winding, rotor
Iron core, permanent magnet, impeller and bearing；Wherein：
The stator core is the disk-like structure of one-side gaining, and it is slotted facing to working gas gap, and its direction of slotting is footpath
To；Stator core another side is fixedly connected with pedestal；
Stator winding is wound on the stator tooth formed after stator core fluting；Pedestal, stator core and stator winding are formed
The main body non-rotating part of whole blower fan；
The rotor core and permanent magnet form rotor, and rotor is fixedly mounted on the impeller internal；The rotor core,
Permanent magnet and impeller collectively form the main body rotating part of whole blower fan；
One bottom surface of the impeller wheel body offers bearing hole, for installing bearing, to realize the master of impeller and pedestal
The rotation of axle is connected；Another bottom surface of impeller wheel body is hatch frame, towards pedestal base and therewith keep interval form chamber
Body simultaneously ensures the accessible rotation of impeller；The motor that stator core, stator winding, rotor core and permanent magnet are formed integrally is placed in
In the cavity that the base of impeller wheel body inner space and pedestal is formed.
Preferably, the permanent magnet uses Surface Mount or built-in setting, produces axial excitation field；
When permanent magnet uses built-in placement mode, permanent magnet and rotor core are fan-shaped cylinder, alternately chimeric, circumference
It is symmetrical, it is combined into the plate-like integral rotor structure that spindle through-hole is left at a center；Permanent magnet is magnetized using circumferential, same
Rotor core both sides permanent magnet magnetizing direction is different；
When permanent magnet uses the placement mode of Surface Mount, permanent magnet is fan-shaped cylinder, and rotor core is cyclic structure, each
For permanent magnet Surface Mount on rotor core surface, magnetizing direction is axial direction, and the permanent magnet of opposed polarity is alternately laid.
Preferably, when permanent magnet uses the placement mode of Surface Mount, the permanent magnet of partial symmetry can be by rotor core generation
Replace, permanent magnet and iron core staggeredly form different magnetic poles.
Preferably, the armature winding use fractional-slot concentratred winding placement mode, its MgO-ZrO_2 brick q use with
Lower formula calculates, and wherein Z is slot number, and p is number of pole-pairs, and m is the number of phases,
Q is fraction, and y is pitch, and preferably Z is 6, p 2, m 3.
Preferably, the pedestal main shaft is provided with clamping nut, for bearing inner race to be pressed abd fixed on to the main shaft of pedestal；
The rotational shell bottom of impeller is provided with fixed end cap, and bearing outer ring (round end) is pressed on rotational shell.
Preferably, on the outside of the rotational shell, ventilation slot is provided among each two blade, in favor of stator winding heat dissipation.
Preferably, blower fan of the present invention is passed through the frequency of armature winding electric current come the rotating speed of controlled motor by control.
Preferably, the Permanent magnet axial flux frequency conversion fan, it is characterised in that fan can use axle circulation wind or centrifugation logical
The form of wind；
When using axle circulation wind, ring protection shell mechanism is provided with the outside of circumference of impeller, passes through connecting rod and pedestal
Base be fixedly connected, and retain ventilation air gap, the positioning hole on base of the whole blower fan by protecting shell and pedestal is realized
Installation is fixed；
When using centrifugation ventilation, cancelling ring protection shell mechanism on the outside of circumference of impeller, on the base that blower fan passes through pedestal
Positioning hole realize installation fix.
The present invention uses the topological structure of axial magnetic flux, make use of the unilateral magnetic force of axial-flux electric machine, it is in nature
Under state, attraction is there is between rotor, alleviates the rotor gravity that bearing is born, while also can turning of bringing of disturbance suppression
Son polarization is swung.Which employs the working method that permagnetic synchronous motor instead of induction machine, by VFC motor speed,
Preferable speed adjusting performance can be obtained.
The gain effect body limit of the present invention exists：
(1) electric machine structure of Permanent magnet axial flux is used, the characteristics of make use of its unilateral magnetic force, mitigates rotor to bearing
Pressure, suppress the rotor polarization that disturbed belt comes in the course of work and swing, extend the service life of bearing；
(2) by the way of permagnetic synchronous motor VFC, make motor that there is good governor control characteristics；
(3) rotor is arranged on inside cup-shaped rotational shell, firm in structure firm；
(4) fractional-slot concentratred winding is used, eliminates the long end of conventional winding, reduces copper loss and heating so that
Electric machine structure is more compact, is easily mounted on inside rotational shell.
Brief description of the drawings
Fig. 1 is the overall section of structure (axial-flow type) of motor；
Fig. 2 is stator core and armature winding structure figure；
Fig. 3 is rotational shell and blade construction figure (axial-flow type)；
Fig. 4 is rotor core and magnet structure figure under built-in permanent magnet mode；
Fig. 5 is Surface Mount permanent magnet, and magnetic pole is all made up under mode of permanent magnet, rotor core and magnet structure figure；
Fig. 6 is Surface Mount permanent magnet, and magnetic pole is replaced under the mode of being made by permanent magnet with iron core, rotor core and magnet structure
Figure；
Fig. 7 is axial-flow type Permanent magnet axial flux motor overall appearance figure；
Fig. 8 is centrifugal permanent-magnet axial-flux electric machine overall appearance figure；
In figure：1st, shell is protected；2nd, pedestal；3rd, stator core；4th, stator winding；5th, rotor core；6th, permanent magnet；7th, leaf
Piece；8th, rotational shell；9th, bearing；10th, clamping nut；11st, fixed end cap.
Embodiment
In order to more clearly illustrate the objects, technical solutions and advantages of the present invention, below in conjunction with accompanying drawing and example, to this hair
It is bright to be described in more detail.It should be appreciated that instantiation described herein does not limit only to explain the present invention
The present invention.In addition, as long as technical characteristic involved in each embodiment mode of the present invention does not form contradiction each other
Can is mutually combined.
The principle of the present invention is the axial flux permanent magnet synchronous motor of VFC, and excitation field is by the permanent magnet on rotor
Produce, the magnetic line of force caused by permanent magnet reaches stator core, then symmetrically pass through same path through rotor core through air gap
Return to permanent magnet closure.The magnetic line of force have passed through stator core and rotor core, produce magnetic pull therebetween, with rotor gravity
Balance, alleviates pressure of the rotor to bearing.When motor works, the alternating current in coil forms relative with rotor magnetic pole
N, the magnetic field of S polarity, rotor field interact with armature field, synchronous rotary, motor is worked.Change electricity in armature winding
Stream frequency can change the rotary speed of armature field, and then change rotary speed of rotator, reach the purpose of speed governing.
Fig. 2 is stator core construction for motor figure, its use silicon-steel sheet coiled around, for the disk-like structure of unilateral fluting, fluting
Side is fixed on the seating plane of pedestal towards air gap, opposite side, and in-between tapping ensures that the main shaft of pedestal can pass through.Electricity
Pivot winding uses the form of fractional-slot concentratred winding, is wound on the tooth of stator core, according to pitch y=1, MgO-ZrO_2 brickChosen for fraction, wherein slot number Z=6, number of pole-pairs p=2, number of phases m=3.The winding mode of fractional-slot concentratred winding makes
Winding overhang it is short, be not easy with rotational shell wipe clashing and breaking it is bad, winding mode is simple, be adapted to batch production.
Fig. 3 is rotational shell and blade construction figure, and rotational shell is the cup-like structure of bottom opening, and whole electric machine structure is all
It is placed in inside cup-like structure, it is compact-sized.Its bottom opening is used for fixing bearing, is passed through with pedestal main shaft.Blade is connected to
On the outside of rotational shell, between every two panels blade, groove is provided with rotational shell, the air-flow that blade drives during work enters by fluting
Enter inside rotational shell, the space of rotated shell and pedestal base, take away the heat of armature winding.Rotational shell, blade, turn
Sub- iron core constitutes main body rotating part with permanent magnet.
Bearing is used for the rotating part and non-rotating part for connecting motor, and bearing inner ring is fixed on pedestal main shaft, compressed
Bearing inner ring is pressed in the stepped projection of pedestal main shaft by nut, and bearing will not relatively move with pedestal；Outer race is consolidated
Be scheduled on rotational shell tapping, rotational shell tapping has stepped projection, and bearing is fixed thereon, by hold-doun nut by its
Compress, relative movement will not be produced with rotational shell.
Fig. 4 is the rotor under built-in permanent magnetism mode, and permanent magnet is the sector structure of axial silicon steel sheet lamination, permanent magnet
Circumferentially magnetized for sector structure, same iron core both sides permanent magnet magnetizing direction is different, forms what N, S were arranged alternately after iron core magnetization
Air-gap field, the circular hole at center are used to be in rotational shell aligned inside through pedestal main shaft, its external diameter, be embedded within；Fig. 5 is
Surface Mount permanent magnet, for magnetic pole all by the rotor under mode made of permanent magnet, iron core is the plate-like knot that silicon-steel sheet coiled is coiled into
Structure, in embedded rotating shell, bottom is secured to connect, and permanent magnet is sector structure, by gluing mode Surface Mount in iron core
Surface, axial charging, N, S alternating fields are formed, with, to it, fastening structure, being hardly damaged on the inside of rotational shell at its outer radius；
Fig. 6 is Surface Mount permanent magnet, and magnetic pole is replaced under the mode of being made by permanent magnet with iron core, motor rotor construction, its base in Fig. 5 structures
On plinth, the permanent magnet of same polarity is substituted for the iron core of same shape, iron core projection is with lower disk structure commonly through silicon
Steel disc coiling and molding, remaining permanent magnet axial charging and magnetizing direction is identical.
Fig. 7 and Fig. 8 are respectively the outside drawing of axial-flow type and centrifugal axial magnetic flux frequency conversion fan, axial-flow type pedestal datum axle
Direction area is smaller, is connected with protection shell by connecting rod, and protecting on shell and pedestal has mounting hole；Centrifugal pedestal bottom
Seat is the whole fan of the larger covering of circular area, and in the absence of protection shell, flabellum is by the ring bodies reinforcement by connection of outer ring, only base
There is mounting hole on seat.
Simulation analysis and prototype experiment prove, Permanent magnet axial flux frequency conversion fan of the present invention, can accomplish effectively to press down
Rotor polarization processed is swung, and mitigates bearing axial compressive force, the effect to increase the service life, and under VFC, motor reaches
Preferable speed adjusting performance.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles of the invention etc., all should be included
Within protection scope of the present invention.
Claims (8)
1. a kind of Permanent magnet axial flux frequency conversion fan, it is characterised in that including pedestal (2), stator core (3), stator winding
(4), rotor core (5), permanent magnet (6), impeller (7) and bearing (9)；Wherein：
The stator core (3) is the disk-like structure of one-side gaining, and it is slotted facing to working gas gap, and its direction of slotting is footpath
To；Stator core (3) another side is fixedly connected with pedestal (2)；
Stator winding (4) is wound on the stator tooth formed after stator core (3) fluting；Pedestal (2), stator core (3) and stator
Winding (4) constitutes the main body non-rotating part of whole blower fan；
The rotor core (5) and permanent magnet (6) form rotor, and it is internal that rotor is fixedly mounted on the impeller (7)；The rotor
Iron core (5), permanent magnet (6) and impeller (7) collectively form the main body rotating part of whole blower fan；
One bottom surface of impeller (7) wheel body offers bearing hole, for installing bearing (9), to realize impeller and pedestal (2)
The rotation of main shaft (22) be connected；Another bottom surface of impeller (7) wheel body is hatch frame, towards pedestal (2) base (21) and
Interval is kept to form cavity and ensure the accessible rotation of impeller therewith；Stator core (3), stator winding (4), rotor core (5)
The motor formed with permanent magnet (6) is integrally placed in the sky of base (21) composition of impeller (7) wheel body inner space and pedestal (2)
Intracavitary.
2. Permanent magnet axial flux frequency conversion fan according to claim 1, it is characterised in that permanent magnet (6) using Surface Mount or
Built-in setting, produce axial excitation field；
When permanent magnet (6) uses built-in placement mode, permanent magnet (6) and rotor core (5) are fan-shaped cylinder, alternately embedding
Close, circumference is symmetrical, is combined into the plate-like integral rotor structure that spindle through-hole is left at a center；Permanent magnet (6) is using week
To magnetizing, same rotor core (5) both sides permanent magnet (6) magnetizing direction is different；
When permanent magnet (6) uses the placement mode of Surface Mount, permanent magnet (6) is fan-shaped cylinder, and rotor core (5) is ring-type knot
Structure, each permanent magnet (6) Surface Mount is on rotor core (5) surface, and magnetizing direction is axial direction, and the permanent magnet (6) of opposed polarity is alternately
Lay.
3. Permanent magnet axial flux frequency conversion fan according to claim 2, it is characterised in that when permanent magnet (6) uses Surface Mount
Placement mode when, the permanent magnet of partial symmetry can be replaced by rotor core (5), and permanent magnet (6) and iron core are staggeredly formed not
Same magnetic pole.
4. Permanent magnet axial flux frequency conversion fan according to claim 1, it is characterised in that armature winding (4) uses fraction
The placement mode of groove concentratred winding, its MgO-ZrO_2 brick q are calculated using below equation, and wherein Z is slot number, and p is number of pole-pairs, m
For the number of phases,
<mrow>
<mi>q</mi>
<mo>=</mo>
<mfrac>
<mi>Z</mi>
<mrow>
<mn>2</mn>
<mi>p</mi>
<mi>m</mi>
</mrow>
</mfrac>
<mo>,</mo>
<mi>y</mi>
<mo>=</mo>
<mn>1</mn>
</mrow>
Q is fraction, and y is pitch, and Z, p are integer；It is preferred that Z is 6, p 2, m 3.
5. Permanent magnet axial flux frequency conversion fan according to claim 1, it is characterised in that pedestal (2) main shaft (22) is provided with
Clamping nut (10), for bearing (9) inner ring to be pressed abd fixed on to the main shaft (22) of pedestal (2)；The rotational shell (8) of impeller
Bottom is provided with fixed end cap (11), and bearing (9) outer ring (round end) is pressed on rotational shell (8).
6. Permanent magnet axial flux frequency conversion fan according to claim 1, it is characterised in that on the outside of rotational shell (8), every two
Ventilation slot is provided among individual blade (7), in favor of stator winding heat dissipation.
7. Permanent magnet axial flux frequency conversion fan according to claim 1, it is characterised in that armature winding is passed through by control
(4) frequency of electric current carrys out the rotating speed of controlled motor.
8. according to claim 1 to 8 any Permanent magnet axial flux frequency conversion fan, it is characterised in that fan can use axle
Circulation wind or the form of centrifugation ventilation；
When using axle circulation wind, ring protection shell (1) structure is provided with the outside of circumference of impeller, passes through connecting rod and pedestal
(2) base (21) is fixedly connected, and retains ventilation air gap, and whole blower fan is by protecting the base of shell (1) and pedestal (2)
(21) positioning hole on realizes that installation is fixed；
Divulged information when using centrifugation, cancel ring protection shell (1) structure on the outside of circumference of impeller, the base that blower fan passes through pedestal (2)
(21) positioning hole on realizes that installation is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710524816.8A CN107420321A (en) | 2017-06-30 | 2017-06-30 | A kind of Permanent magnet axial flux frequency conversion fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710524816.8A CN107420321A (en) | 2017-06-30 | 2017-06-30 | A kind of Permanent magnet axial flux frequency conversion fan |
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| Publication Number | Publication Date |
|---|---|
| CN107420321A true CN107420321A (en) | 2017-12-01 |
Family
ID=60426320
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710524816.8A Pending CN107420321A (en) | 2017-06-30 | 2017-06-30 | A kind of Permanent magnet axial flux frequency conversion fan |
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| Country | Link |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209952A (en) * | 2018-11-09 | 2019-01-15 | 仪坤动力科技（上海）有限公司 | Blade and internal rotor integral structure and blower with fixing axle |
| CN110107518A (en) * | 2019-05-10 | 2019-08-09 | 仪坤动力科技（上海）有限公司 | Blade and outer rotor integral fan |
| CN110391723A (en) * | 2019-05-06 | 2019-10-29 | 三门峡速达交通节能科技股份有限公司 | 24 slot, 10 pole axial-flux electric machine and electric vehicle |
| RU202159U1 (en) * | 2020-07-06 | 2021-02-04 | Акционерное общество Производственно-конструкторское объединение "Теплообменник" (АО ПКО "Теплообменник") | ELECTRIC RECIRCULATION FAN |
| CN112371681A (en) * | 2020-11-04 | 2021-02-19 | 西安建筑科技大学 | Rotational flow exhaust device and system |
| CN113383164A (en) * | 2018-11-19 | 2021-09-10 | 智能E有限责任公司 | Non-lubricated centrifugal compressor |
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| CN203655658U (en) * | 2013-11-05 | 2014-06-18 | 苏州聚力电机有限公司 | Thinned horizontal flow type fan with air volume gain effect |
| CN204578318U (en) * | 2015-05-05 | 2015-08-19 | 南京信息工程大学 | The axial magnetic field hybrid permanent magnet memory electrical machine that a kind of magnetic flux is controlled |
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| CN2317576Y (en) * | 1997-11-18 | 1999-05-05 | 张志华 | Rare earth permanent-magnet multiring synchronous motor |
| TWI292014B (en) * | 2005-11-22 | 2008-01-01 | Sunonwealth Electr Mach Ind Co | Ultra thin-type fan |
| CN101834504A (en) * | 2010-05-19 | 2010-09-15 | 苏州博尊科技有限公司 | Disc permanent-magnet synchronous multi-combination power DC motor group |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209952A (en) * | 2018-11-09 | 2019-01-15 | 仪坤动力科技（上海）有限公司 | Blade and internal rotor integral structure and blower with fixing axle |
| CN113383164A (en) * | 2018-11-19 | 2021-09-10 | 智能E有限责任公司 | Non-lubricated centrifugal compressor |
| CN110391723A (en) * | 2019-05-06 | 2019-10-29 | 三门峡速达交通节能科技股份有限公司 | 24 slot, 10 pole axial-flux electric machine and electric vehicle |
| CN110391723B (en) * | 2019-05-06 | 2024-03-19 | 三门峡速达交通节能科技股份有限公司 | 24-slot 10-pole axial flux motor and electric vehicle |
| CN110107518A (en) * | 2019-05-10 | 2019-08-09 | 仪坤动力科技（上海）有限公司 | Blade and outer rotor integral fan |
| RU202159U1 (en) * | 2020-07-06 | 2021-02-04 | Акционерное общество Производственно-конструкторское объединение "Теплообменник" (АО ПКО "Теплообменник") | ELECTRIC RECIRCULATION FAN |
| CN112371681A (en) * | 2020-11-04 | 2021-02-19 | 西安建筑科技大学 | Rotational flow exhaust device and system |
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