CN107666232A - A kind of pump speed governing magnetic gear - Google Patents
A kind of pump speed governing magnetic gear Download PDFInfo
- Publication number
- CN107666232A CN107666232A CN201711052942.4A CN201711052942A CN107666232A CN 107666232 A CN107666232 A CN 107666232A CN 201711052942 A CN201711052942 A CN 201711052942A CN 107666232 A CN107666232 A CN 107666232A
- Authority
- CN
- China
- Prior art keywords
- end cap
- separation sleeve
- magnetic
- outer rotor
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/102—Magnetic gearings, i.e. assembly of gears, linear or rotary, by which motion is magnetically transferred without physical contact
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/106—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with a radial air gap
Abstract
The present invention discloses a kind of pump speed governing magnetic gear, including internal rotor, outer rotor, separation sleeve, input shaft, output shaft, adjustable magnetic ring；The separation sleeve includes the first end cap, the second end cap；The T-shaped construction in cross section of the separation sleeve, its horizontal end are the first discoid end cap, and it is in hollow cylindrical to erect end, and the engaging of perpendicular end end has the second end cap；The adjustable magnetic ring is potted in the perpendicular end of separation sleeve through casting glue, and the first end cap and the second end cap are inserted in its both ends respectively；The input shaft, output shaft are connected to outer rotor one end, internal rotor one end；The internal rotor other end, the T-shaped perpendicular end of separation sleeve, the outer rotor other end are nested from inside to outside successively.The present invention is not changing the condition of pump body structure, pass through optimization design, there is provided a kind of magnetic gear of adjustable speed, the range of speeds of impeller is effectively extended on the premise of reliability and stream time is not reduced, so as to change the lift of pump and flow, the application scenarios of pump have been expanded.
Description
Technical field
The present invention relates to industrial motor technical field, more particularly to a kind of pump speed governing magnetic gear.
Background technology
At present, industrial pump is still AC asynchronous motor with motor main flow, and it is by one group of magnetic gear, by power
Pass to the impeller of pump.Although the incomparable DC Brushless Motor of its efficiency, because its is simple in construction, without driving, can be with
The advantages of being directly connected to power network, there is the feature that reliability is high, and stream time is grown, in some fields for needing continuously to work
Still possesses big advantage.But the gearratio of traditional magnetic gear is fixed as 1:1, rotating speed motor control directly driven, and
The rated speed of motor (AC induction motor) is restricted by mains frequency, higher rotating speed section can not be covered, so as to limit
The lift and flow of institute's transfer tube.
In summary, the magnetic gear, in practice in the presence of it is inconvenient the problem of, it is therefore necessary to improved.
The content of the invention
It is an object of the invention to provide a kind of pump speed governing magnetic gear, do not changing the condition of pump body structure, passing through optimization
Design, there is provided a kind of magnetic gear of adjustable speed, leaf is effectively extended on the premise of reliability and stream time is not reduced
The range of speeds of wheel, so as to change the lift of pump and flow, the application scenarios of pump are expanded.
To achieve the above object, using following technical scheme：
A kind of pump speed governing magnetic gear, including internal rotor, outer rotor, separation sleeve, input shaft, output shaft, adjustable magnetic ring；It is described
Separation sleeve includes the first end cap, the second end cap；The T-shaped construction in cross section of the separation sleeve, its horizontal end are discoid first
End cap, it is in hollow cylindrical to erect end, and the engaging of perpendicular end end has the second end cap；The adjustable magnetic ring is potted in separation sleeve through casting glue and erected
End, the first end cap and the second end cap are inserted in its both ends respectively；The input shaft, output shaft are connected to outer rotor one end, interior
Rotor one end；The internal rotor other end, the T-shaped perpendicular end of separation sleeve, the outer rotor other end are nested from inside to outside successively.
It is preferred that the adjustable magnetic ring includes some magnetic conduction bars；Axially arrange at equal intervals at perpendicular end of the magnetic conduction bar along separation sleeve
Row magnetic pole；Each magnetic conduction bar respectively inserts the first end cap, the locating slot of the second end cap；Holding screw is used between the magnetic conduction bar
Axial gap is locked, through casting glue entirety embedding.
It is preferred that the effective length of the magnetic conduction bar is all higher than the length of outer rotor, the length of internal rotor, the effective length
Not include the length of the first end cap of insertion, the second end cap.
It is preferred that the magnetic gear also includes frame；The outer rotor is embedded in frame, and one end of frame is connected to
On the inside of one end cap.
It is preferred that the internal rotor includes internal rotor magnetic steel, internal rotor yoke；The outer rotor include outer rotor magnet steel,
Outer rotor yoke.
It is preferred that internal layer air gap is formed between the internal rotor other end and the T-shaped perpendicular end of separation sleeve；The separation sleeve
Outer layer air gap is formed between T-shaped perpendicular end and the outer rotor other end.
It is preferred that the separation sleeve is using the not non-conductive material of magnetic conduction.
Using such scheme, the beneficial effects of the invention are as follows：
1) use the magnetic gear, under conditions of motor is changed without, pass through the different separation sleeve that changes the outfit (adjustable magnetic ring)
And inner and outer rotors, rated speed and the torque of internal rotor can be adjusted, so as to change the lift of pump and flow, so as to improve
The application of pump；
2) high rotating speed high reliability；Rotating speed is improved by adjustable magnetic ring, after adjustable magnetic ring is embedded in separation sleeve, there is good work
Environment, corrosion-free, oxidation risk, has high reliability.
Brief description of the drawings
Fig. 1 is the sectional block diagram of the present invention；
Fig. 2 is the cross-sectional structure schematic diagram of the present invention；
Fig. 3 is the separation sleeve sectional block diagram of the present invention；
Wherein, accompanying drawing identifier declaration：
1-internal rotor, 2-outer rotor,
3-separation sleeve, 4-input shaft,
5-output shaft, 6-adjustable magnetic ring,
7-frame, 8-internal layer air gap,
9-outer layer air gap, 11-internal rotor magnetic steel,
21-outer rotor magnet steel, the 31-the first end cap,
32-the second end cap, 61-magnetic conduction bar,
62-holding screw, 63-casting glue.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Referring to figs. 1 to shown in 3, the present invention provides a kind of pump speed governing magnetic gear, including internal rotor 1, outer rotor 2, isolation
Set 3, input shaft 4, output shaft 5, adjustable magnetic ring 6；The separation sleeve 3 includes the first end cap 31, the second end cap 32；The separation sleeve 3
The T-shaped construction in cross section, its horizontal end is the first discoid end cap 31, and it be in hollow cylindrical to erect end, and perpendicular end end, which engages, to be had
Second end cap 32；The adjustable magnetic ring 6 is potted in the perpendicular end of separation sleeve 3 through casting glue 63, and the He of the first end cap 31 is inserted at its both ends respectively
Second end cap 32；The input shaft 4, output shaft 5 are connected to the one end of outer rotor 2, the one end of internal rotor 1；The internal rotor 1 is another
One end, the T-shaped perpendicular end of separation sleeve 3, the other end of outer rotor 2 are nested from inside to outside successively.
Wherein, the adjustable magnetic ring 6 includes some magnetic conduction bars 61；Between perpendicular end of the magnetic conduction bar 61 along separation sleeve 3 is axially waited
Every arrangement magnetic pole；Each magnetic conduction bar 61 respectively inserts the first end cap 31, the locating slot of the second end cap 32；The magnetic conduction bar 61 it
Between with holding screw 62 lock axial gap, through 63 overall embedding of casting glue.The effective length of the magnetic conduction bar 61 is all higher than outer
Length, the length of internal rotor 1 of rotor 2, the effective length is including the first end cap 31 of insertion, the length of the second end cap 32.
The magnetic gear also includes frame 7；The outer rotor 2 is embedded in frame 7, and one end of frame 7 is connected to first
The inner side of end cap 31.The internal rotor 1 includes internal rotor magnetic steel 11, internal rotor yoke；The outer rotor 2 includes outer rotor magnet steel
21st, outer rotor yoke.Internal layer air gap 8 is formed between the T-shaped perpendicular end of the other end of internal rotor 1 and separation sleeve 3；The separation sleeve
Outer layer air gap 9 is formed between 3 T-shaped perpendicular end and the other end of outer rotor 2.The separation sleeve 3 is using the not non-conductive material of magnetic conduction.
Operation principle of the present invention：
A kind of pump provided by the invention speed governing magnetic gear, from the not non-conductive material of magnetic conduction, it is internally embedded separation sleeve 3
The adjustable magnetic ring 6 of arranged at equal intervals magnetic pole.
Realization of the work based on magnetic field modulation principle of speed governing magnetic gear, it is assumed that the permanent magnet pole logarithm of internal rotor 1 is p1, outside
The permanent magnet pole logarithm of rotor 2 is p2, and the quantity of magnetic conduction bar 61 is n=p1+p2.When outer rotor 2 rotates, the meeting in outer layer air gap 9
A magnetic pole logarithm and the magnetic pole logarithm identical rotating excitation field of outer rotor 2 are produced, and is made by the magnetic field modulation of adjustable magnetic ring 6
With, while the close harmonic wave of magnetic with the permanent magnet magnetic number of pole-pairs identical rotating excitation field of internal rotor 1 can be produced at internal layer air gap 8, this
The close harmonic wave of magnetic couples with air-gap field caused by the permanent magnet of internal rotor 1 and drives internal rotor 1 to rotate.As can be seen here：Inner and outer rotors
The modulating action that the adjustable magnetic ring 6 set between 1/2 rises can produce similar gear teeth than the effect of transmission, and gearratio is inside and outside
The number of pole-pairs ratio of rotor 1/2, it is consistent so as to breach 1/2 number of pole-pairs of traditional magnetic gear inner and outer rotors, constant speed drive can only be carried out
Limitation
Using the magnetic gear, under conditions of motor is changed without, pass through the separation sleeve 3 (adjustable magnetic ring 6) for changing the outfit different
And inner and outer rotors 1/2, rated speed and the torque of internal rotor 1 can be adjusted, so as to change the lift of pump and flow, so as to carry
The high application of pump.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made within principle etc., should be included in the scope of the protection.
Claims (7)
1. a kind of pump speed governing magnetic gear, it is characterised in that including internal rotor, outer rotor, separation sleeve, input shaft, output shaft, tune
Magnet ring；The separation sleeve includes the first end cap, the second end cap；The T-shaped construction in cross section of the separation sleeve, its horizontal end are disk
First end cap of shape, it is in hollow cylindrical to erect end, and the engaging of perpendicular end end has the second end cap；The adjustable magnetic ring is potted in through casting glue
The perpendicular end of separation sleeve, the first end cap and the second end cap are inserted in its both ends respectively；The input shaft, output shaft are connected to outer rotor
One end, internal rotor one end；The internal rotor other end, the T-shaped perpendicular end of separation sleeve, the outer rotor other end are embedding from inside to outside successively
Set.
2. pump according to claim 1 speed governing magnetic gear, it is characterised in that the adjustable magnetic ring includes some magnetic conduction bars；
Perpendicular end axial direction arranged at equal intervals magnetic pole of the magnetic conduction bar along separation sleeve；Each magnetic conduction bar respectively inserts the first end cap, second
The locating slot of end cap；Axial gap is locked with holding screw between the magnetic conduction bar, through casting glue entirety embedding.
3. pump according to claim 2 speed governing magnetic gear, it is characterised in that the effective length of the magnetic conduction bar is all higher than
The length of outer rotor, the length of internal rotor, the effective length is including the first end cap of insertion, the length of the second end cap.
4. pump according to claim 1 speed governing magnetic gear, it is characterised in that the magnetic gear also includes frame；It is described
Outer rotor is embedded in frame, and one end of frame is connected on the inside of the first end cap.
5. pump according to claim 1 speed governing magnetic gear, it is characterised in that the internal rotor include internal rotor magnetic steel,
Internal rotor yoke；The outer rotor includes outer rotor magnet steel, outer rotor yoke.
6. pump according to claim 5 speed governing magnetic gear, it is characterised in that the internal rotor other end and separation sleeve
Internal layer air gap is formed between T-shaped perpendicular end；Outer layer air gap is formed between the T-shaped perpendicular end of the separation sleeve and the outer rotor other end.
7. pump according to claim 6 speed governing magnetic gear, it is characterised in that the separation sleeve is non-conductive using not magnetic conduction
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711052942.4A CN107666232A (en) | 2017-10-31 | 2017-10-31 | A kind of pump speed governing magnetic gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711052942.4A CN107666232A (en) | 2017-10-31 | 2017-10-31 | A kind of pump speed governing magnetic gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107666232A true CN107666232A (en) | 2018-02-06 |
Family
ID=61144415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711052942.4A Pending CN107666232A (en) | 2017-10-31 | 2017-10-31 | A kind of pump speed governing magnetic gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107666232A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113965045A (en) * | 2021-03-11 | 2022-01-21 | 国家电投集团科学技术研究院有限公司 | Pouring type magnetic adjusting ring |
| CN116404772A (en) * | 2023-06-09 | 2023-07-07 | 西南交通大学 | Rotary permanent magnet electric suspension device and permanent magnet electric suspension method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101267152A (en) * | 2008-04-21 | 2008-09-17 | 上海大学 | Magnetic field modulation magnetic gear |
| CN101483378A (en) * | 2009-02-24 | 2009-07-15 | 江苏大学 | Asynchronous magnetic couplings for high temperature resistant high performance oblique slot type rotor |
| US20110012458A1 (en) * | 2008-01-11 | 2011-01-20 | Magnomatics Limited | Magnetic drive systems |
| CN102016358A (en) * | 2008-02-21 | 2011-04-13 | 马格诺麦克斯有限公司 | Variable magnetic gears |
| CN207166345U (en) * | 2017-10-31 | 2018-03-30 | 深圳市泉胜新技术开发有限公司 | A kind of pump speed governing magnetic gear |
-
2017
- 2017-10-31 CN CN201711052942.4A patent/CN107666232A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110012458A1 (en) * | 2008-01-11 | 2011-01-20 | Magnomatics Limited | Magnetic drive systems |
| CN102016358A (en) * | 2008-02-21 | 2011-04-13 | 马格诺麦克斯有限公司 | Variable magnetic gears |
| CN101267152A (en) * | 2008-04-21 | 2008-09-17 | 上海大学 | Magnetic field modulation magnetic gear |
| CN101483378A (en) * | 2009-02-24 | 2009-07-15 | 江苏大学 | Asynchronous magnetic couplings for high temperature resistant high performance oblique slot type rotor |
| CN207166345U (en) * | 2017-10-31 | 2018-03-30 | 深圳市泉胜新技术开发有限公司 | A kind of pump speed governing magnetic gear |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113965045A (en) * | 2021-03-11 | 2022-01-21 | 国家电投集团科学技术研究院有限公司 | Pouring type magnetic adjusting ring |
| CN113965045B (en) * | 2021-03-11 | 2023-12-22 | 国家电投集团科学技术研究院有限公司 | Pouring type magnetic adjusting ring |
| CN116404772A (en) * | 2023-06-09 | 2023-07-07 | 西南交通大学 | Rotary permanent magnet electric suspension device and permanent magnet electric suspension method |
| CN116404772B (en) * | 2023-06-09 | 2023-11-24 | 西南交通大学 | Rotary permanent magnet electric suspension device and permanent magnet electric suspension method |
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