CN105281490B - A kind of non-contact type master passively mixes the horizontal axis positioner of control - Google Patents
A kind of non-contact type master passively mixes the horizontal axis positioner of control Download PDFInfo
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- CN105281490B CN105281490B CN201510850827.6A CN201510850827A CN105281490B CN 105281490 B CN105281490 B CN 105281490B CN 201510850827 A CN201510850827 A CN 201510850827A CN 105281490 B CN105281490 B CN 105281490B
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- permanent magnet
- rotary shaft
- magnetic bearing
- positioner
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Abstract
The invention discloses the horizontal axis positioner that a kind of non-contact type master passively mixes control, including：Magnetic bearing unit and positioner pedestal, wherein magnetic bearing unit are made up of stator and rotor two parts, stator, including：Loop coil winding, hollow cylinder permanent magnet and position sensor, rotor, including：Outer toroid permanent magnet, interior annular permanent magnet, sensor reflecting plate and NULL plate.Two magnetic bearing units are symmetrically mounted on the both ends of rotary shaft, and and rotating shaft coaxle；Hollow cylinder permanent magnet on two magnetic bearing unit stators is fixedly connected with positioner pedestal, and NULL plate is fixedly connected on the end face of rotary shaft, and outer toroid permanent magnet and interior annular permanent magnet are fixedly connected on NULL plate.The present invention realizes contactless axially position, has the advantages of big high axially position precision, service life length, axial carrying capacity and low-power consumption.
Description
Technical field
The present invention relates to a kind of axial direction positioning device, particularly a kind of non-contact type master passively mixes the horizontal axis of control
Positioner.
Background technology
In many industrial equipments, live spindle needs to carry out high speed, long-life motion, thereby increases and it is possible to larger axial direction be present
Impulsive force, traditional axially position mode are to use contact positioner, such as lubricating rotary bearing, but its in high-speed rotation and
In the presence of axial impact, fatigue failure is also easy to produce, it is difficult to meet long-life, high-precision positioning requirements.
Above-mentioned requirements can be realized using non-contact type axial direction positioning device, existing structure is come using motor or electromagnet
Axial non-contact type location control is carried out, but when rotary shaft has larger axial impact, said structure can cause motor to bear
Carry excessive, motor energy consumption on the one hand can be caused to raise, be unfavorable for energy-saving, it is tight on the other hand to cause that the motor feels hot
Weight, influences environment temperature, causes non-contact measurement error, and then reduce axially position precision.
The content of the invention
Present invention aims at the horizontal axis positioner that a kind of non-contact type master of offer passively mixes control, solve to adopt
With existing structure, when rotary shaft has larger axial impact, said structure can make it that motor load is excessive, on the one hand can make
The rise of motor energy consumption, be unfavorable for energy-saving, it is serious on the other hand to cause that the motor feels hot, influences environment temperature, makes
Into non-contact measurement error, and then the problem of reduction axially position precision.
A kind of non-contact type master passively mixes the horizontal axis positioner of control, including：Magnetic bearing unit and positioning fill
Pedestal is put, wherein magnetic bearing unit is made up of stator and rotor two parts, stator, including：Loop coil winding, hollow cylinder are forever
Magnet and position sensor, rotor, including：Outer toroid permanent magnet, interior annular permanent magnet, sensor reflecting plate and NULL
Plate.
Two magnetic bearing units are symmetrically mounted on the both ends of rotary shaft, and and rotating shaft coaxle；Two magnetic bearing units are determined
Hollow cylinder permanent magnet on son is fixedly connected with positioner pedestal, and position sensor is arranged on hollow cylinder permanent magnet
Center, loop coil winding are arranged on positioner pedestal, and hollow cylinder permanent magnet, the central axis of loop coil winding are equal
Overlapped with the axis of rotary shaft.NULL plate is fixedly connected on the end face of rotary shaft, and outer toroid permanent magnet and interior annular are forever
Magnet is fixedly connected on NULL plate, and NULL plate, outer toroid permanent magnet and interior annular permanent magnet are same with rotary shaft
Axle is installed, and sensor reflecting plate is fixedly connected on the center of NULL plate.
The positioner provides axialy offset power using permanent magnet, realizes the axially passive control of rotary shaft.Magnetic bearing list
Hollow cylinder permanent magnet magnetizes vertically on first stator, and the face close to positioner pedestal is N poles, remotely located device pedestal
Face is S poles；Outer toroid permanent magnet and interior annular permanent magnet on magnetic bearing unit rotor radially magnetize, and are by paracentral face
S poles, the deep face of cylinder are N poles.Vertical repulsive force be present between the stator and rotor of magnetic bearing unit, when axial direction is without outside
During percussion, the repulsion of two magnetic bearing units is identical, act on the rotary shaft to make a concerted effort be zero, rotary shaft is in equilibrium-like
State.When rotary shaft is produced axial displacement by external impact, the axial direction of two magnetic bearing units makes a concerted effort to be not zero, resultant direction
With rotary shaft direction of displacement on the contrary, promoting rotary shaft to return to poised state.
The positioner provides the axial driving force of active using loop coil winding, realizes axially actively controlling for rotary shaft
System.Position sensor measures axial displacement of the rotary shaft relative to positioner pedestal, and produces control signal using the displacement,
The control signal is zoomed into the control electric current of respective magnitudes, inputted to loop coil winding, produces axial Lorentz force, is realized
The axial closed loop feedback control of rotary shaft.
The axial direction positioning device of control is passively mixed using contactless master can effectively avoid above mentioned problem, using permanent magnet
Passive axialy offset power is provided, overcomes larger axial perturbed force, the axial controling power of active is provided using Lorentz motors,
Overcome axial drift, both cooperate the achievable axial long-life, high accuracy, low energy consumption positioning.
Brief description of the drawings
A kind of non-contact type masters of Fig. 1 passively mix the horizontal axis positioner centre section schematic diagram of control；
A kind of non-contact type masters of Fig. 2 passively mix the horizontal axis positioner active control theory diagram of control.
1. the hollow cylinder permanent magnetism of 4. interior annular permanent magnet of rotary shaft 2. outer toroid permanent magnet, 3. loop coil winding 5.
The NULL plate of 8. sensor reflecting plate of body 6. position sensor, 7. positioner pedestal 9.
Embodiment
A kind of non-contact type master passively mixes the horizontal axis positioner of control, including：Magnetic bearing unit and positioning fill
Pedestal 7 is put, wherein magnetic bearing unit is made up of stator and rotor two parts, stator, including：Loop coil winding 3, hollow cylinder
Permanent magnet 5 and position sensor 6, rotor, including：Outer toroid permanent magnet 2, interior annular permanent magnet 4, sensor reflecting plate 8 and every
Magnetic plate of material 9.
Two magnetic bearing units are symmetrically mounted on the both ends of rotary shaft 1, and coaxial with rotary shaft 1；Two magnetic bearing units
Hollow cylinder permanent magnet 5 on stator is connected with positioner pedestal 7, and position sensor 6 is arranged on hollow cylinder permanent magnet 5
Center, loop coil winding 3 be arranged on positioner pedestal 7 on, hollow cylinder permanent magnet 5, the center of loop coil winding 3
Axis of the axis with rotary shaft 1 overlaps.NULL plate 9 is fixedly connected on the end face of rotary shaft 1, outer toroid permanent magnet 2
It is fixed on interior annular permanent magnet 4 on NULL plate 9, NULL plate 9, outer toroid permanent magnet 2 and interior annular permanent magnet 4 are equal
It is co-axially mounted with rotary shaft 1, sensor reflecting plate 8 is fixedly connected on the center of NULL plate 9.
The positioner provides axialy offset power using permanent magnet, realizes the axially passive control of rotary shaft 1.Magnetic bearing list
Hollow cylinder permanent magnet 5 magnetizes vertically on first stator, and the face close to positioner pedestal 7 is N poles, remotely located device pedestal
7 face is S poles；Outer toroid permanent magnet 2 and interior annular permanent magnet 4 on magnetic bearing unit rotor radially magnetize, close to center
Face be S poles, the deep face of cylinder is N poles.Vertical repulsive force be present between the stator and rotor of magnetic bearing unit, work as axial direction
When being acted on without external impact, the repulsion of two magnetic bearing units is identical, act in rotary shaft 1 to make a concerted effort be zero, at rotary shaft 1
In poised state.When rotary shaft 1 is produced axial displacement by external impact, the axial direction of two magnetic bearing units makes a concerted effort to be
Zero, resultant direction is with the direction of displacement of rotary shaft 1 on the contrary, promoting rotary shaft 1 to return to poised state.
The positioner provides the axial driving force of active using loop coil winding 3, realizes the axially active of rotary shaft 1
Control.Position sensor 6 measures axial displacement of the rotary shaft 1 relative to positioner pedestal 7, and produces control using the displacement
Signal, the control signal is zoomed into the control electric current of respective magnitudes, inputted to loop coil winding 3, produce axial Lorentz lorentz
Power, realize the axial closed loop feedback control of rotary shaft 1.
Claims (1)
1. a kind of non-contact type master passively mixes the horizontal axis positioner of control, it is characterised in that including：Magnetic bearing unit
With positioner pedestal (7), wherein magnetic bearing unit is made up of stator and rotor two parts, stator, including：Loop coil winding
(3), hollow cylinder permanent magnet (5) and position sensor (6), rotor, including：Outer toroid permanent magnet (2), interior annular permanent magnet
(4), sensor reflecting plate (8) and NULL plate (9)；
Two magnetic bearing units are symmetrically mounted on the both ends of rotary shaft (1), and coaxial with rotary shaft (1)；Two magnetic bearing units
Hollow cylinder permanent magnet (5) on stator is fixedly connected with positioner pedestal (7), and position sensor (6) is arranged on hollow
The center of cylinder permanent magnet (5), loop coil winding (3) are arranged on positioner pedestal (7), hollow cylinder permanent magnet (5),
Axis of the central axis of loop coil winding (3) with rotary shaft (1) overlaps；NULL plate (9) is fixedly connected on rotation
On the end face of axle (1), outer toroid permanent magnet (2) and interior annular permanent magnet (4) are fixedly connected on NULL plate (9), every magnetic
Plate of material (9), outer toroid permanent magnet (2) and interior annular permanent magnet (4) are co-axially mounted with rotary shaft (1), sensor reflecting plate
(8) it is fixedly connected on the center of NULL plate (9)；
The positioner provides axialy offset power using permanent magnet, realizes the axially passive control of rotary shaft (1)；Magnetic bearing unit
Hollow cylinder permanent magnet (5) is magnetized vertically on stator, and the face close to positioner pedestal (7) is N poles, remotely located device base
The face of seat (7) is S poles；Outer toroid permanent magnet (2) and interior annular permanent magnet (4) on magnetic bearing unit rotor radially magnetize,
It is S poles by paracentral face, the deep face of cylinder is N poles；Axially reprimand between the stator and rotor of magnetic bearing unit be present
Power, when axial direction acts on without external impact, the repulsion of two magnetic bearing units is identical, act in rotary shaft (1) make a concerted effort be
Zero, rotary shaft (1) is in poised state；When rotary shaft (1) is produced axial displacement by external impact, two magnetic bearing units
Axially make a concerted effort to be not zero, resultant direction is with rotary shaft (1) direction of displacement on the contrary, promoting rotary shaft (1) to return to poised state；
The positioner provides the axial driving force of active using loop coil winding (3), realizes the axially active of rotary shaft (1)
Control；Position sensor (6) measures axial displacement of the rotary shaft (1) relative to positioner pedestal (7), and is produced using the displacement
Raw control signal, the control signal is zoomed into the control electric current of respective magnitudes, input to loop coil winding (3), produce axle
To Lorentz force, the axial closed loop feedback control of rotary shaft (1) is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510850827.6A CN105281490B (en) | 2015-11-30 | 2015-11-30 | A kind of non-contact type master passively mixes the horizontal axis positioner of control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510850827.6A CN105281490B (en) | 2015-11-30 | 2015-11-30 | A kind of non-contact type master passively mixes the horizontal axis positioner of control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105281490A CN105281490A (en) | 2016-01-27 |
| CN105281490B true CN105281490B (en) | 2017-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510850827.6A Active CN105281490B (en) | 2015-11-30 | 2015-11-30 | A kind of non-contact type master passively mixes the horizontal axis positioner of control |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743315A (en) * | 2016-03-31 | 2016-07-06 | 湘潭市电机车厂有限公司 | Novel switch reluctance motor for mine narrow-gauge locomotive |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1185777C (en) * | 1999-08-11 | 2005-01-19 | 台达电子工业股份有限公司 | Magnetic-bearing motor |
| US20100109463A1 (en) * | 2008-10-31 | 2010-05-06 | University Of Virginia Patent Foundation | Hybrid Five Axis Magnetic Bearing System Using Axial Passive PM Bearing Magnet Paths and Radial Active Magnetic Bearings with Permanent Magnet Bias and Related Method |
| JP2011085223A (en) * | 2009-10-16 | 2011-04-28 | Hokkaido Univ | Triaxial active control type magnetic bearing and rotary machine using the same |
| EP2749780A1 (en) * | 2012-12-26 | 2014-07-02 | Skf Magnetic Mechatronics | Hybrid magnetic suspension of a rotor |
| CN204371940U (en) * | 2015-01-05 | 2015-06-03 | 山东大学 | A kind of annular poles structure and there is the axial magnetic bearing of annular poles structure |
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