CN110112886A - A kind of quadrupole direct current magnetic suspension magnetic resistance type linear motor of constant-current source excitation - Google Patents
A kind of quadrupole direct current magnetic suspension magnetic resistance type linear motor of constant-current source excitation Download PDFInfo
- Publication number
- CN110112886A CN110112886A CN201910366223.2A CN201910366223A CN110112886A CN 110112886 A CN110112886 A CN 110112886A CN 201910366223 A CN201910366223 A CN 201910366223A CN 110112886 A CN110112886 A CN 110112886A
- Authority
- CN
- China
- Prior art keywords
- mover
- stator
- suspension
- tooth
- constant
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/035—DC motors; Unipolar motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N15/00—Holding or levitation devices using magnetic attraction or repulsion, not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Linear Motors (AREA)
Abstract
The invention discloses a kind of quadrupole direct current magnetic suspension magnetic resistance type linear motors of constant-current source excitation, including stator (1), mover (2), it is characterized by: the stator (1) includes the identical stator core (6) of three structures, it is fixed by three connectors (11) between stator core (6), the present invention not only efficiently solves conventional motors and increases between mapping device and stator and mover that there are friction problems, solve the technical problem of permanent magnet existing vibration demagnetization and heat demagnetization again, andxWithyIt is simple without coupling, control between the suspending power of direction, it is easy to accomplish.
Description
Technical field
The present invention relates to technical field of motor manufacture, and in particular to and a kind of without friction, abrasion, control is simple, reliable for operation,
Carrying load ability is strong, fast response time, compact-sized, low in energy consumption, can generate the constant-current source excitation of stable radial suspension force
Quadrupole direct current magnetic suspension magnetic resistance type linear motor.
Background technique
With the high speed development of automatic control technology and microcomputer, the positioning accuracy of line motion control system is mentioned
Requirements at the higher level are gone out, traditional rotating electric machine adds the actuating device of the linear motion of a set of mapping device composition, causes to be driven
Systems bulky, there are frictional noises and transmission loss, and transmission efficiency is low, and transmission mechanism is easy to damage, these disadvantages cause to pass
Dynamic linear motor has been difficult to meet the performance requirement of modern straight line control system.
And magnetic-suspension linear motor is that the contactless bearing of mover suspension is realized using magnetic levitation technology, between mover and stator
It remains certain air gap, eliminates the frictional resistance between stator and mover, greatly improve sensitivity, the rapidity of system
And trackability.And magnetic-suspension linear motor non contact transmission power is realized, mechanical friction loss is almost nil, and institute is faulty few,
It is non-maintaining, it is safe and reliable, the service life is long.
It is generated in magnetic-suspension linear motor frequently with permanent magnet and biases magnetic flux, suspending windings generation suspension control magnetic flux, two
Person, which interacts, generates suspending power.The problem but permanent magnet under high temperature and vibration environment demagnetizes, leads to its industrial application
It is restricted.Compared with three-pole exchanges magnetic-suspension linear motor, without coupling, control between the suspending power of the direction four pole type structure x and y
System is simple, and DC driven technology maturation, it is easy to accomplish, because of a kind of quadrupole direct current magnetic suspension using constant-current source excitation of the invention
Linear motor has important practical significance.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of quadrupole direct current magnetic suspension magnetic resistance type straight lines of constant-current source excitation
The problem of motor, the present invention not only efficiently solves conventional motors increase mapping device, is not able to satisfy control system performance requirement,
And efficiently solve Traditional DC linear motor stator electric and mover oneself there are friction problem, and the direction x and y suspending power it
Between it is simple without coupling, control, it is easy to accomplish.
The invention is realized by the following technical scheme:
A kind of quadrupole direct current magnetic suspension magnetic resistance type linear motor of constant-current source excitation, including stator (1), mover (2), feature exists
In: the stator (1) include the identical stator core (6) of three structures, by being located at X, Y-direction four between stator core (6)
Connector (11) is fixed, and the stator core (6) includes axial control iron core (10) of suspension iron core (9), four identical radian measures,
Suspension iron core (9) inner wall passes through four pieces respectively and is fixed as one every magnetic aluminium ring (8) and four axial control iron core (10) outer walls, suspends
Iron core (9) inner wall X circumferentially, Y-direction are equipped with four inwardly projecting stator suspension teeth (13), thereon radially successively coiling
Constant-current source winding (14), suspending windings (15), X, Y-direction suspending windings (15) connect respectively, the X on adjacent suspension iron core (9)
Or Y-direction suspending windings (15) are in series or in parallel, and are powered by two close power amplifiers；Each axial control iron core (10) inner wall
Two inwardly projecting stator tooths (12) are circumferentially angularly equipped with, correspond to coiling axial direction control winding (16) thereon；
The mover (2) includes mover axis (3), and M axially aligned mover cores (4) are socketed on mover axis (3), and M is a
Mover core (4) circumference to radially X, Y-direction setting there are four through mover axis (3) mover suspension tooth (5), Mei Gedong
The circumferential surface remaining space of sub- iron core (4) is evenly arranged with eight mover teeth (7).
The further Technological improvement plan of the present invention is:
The constant-current source winding (14) of coiling is in parallel or is series connection on the stator suspension tooth (13) of four stator cores (6),
It is powered by DC constant current power supply；The suspending windings (15) of coiling are string on the stator suspension tooth (13) of four stator cores (6)
Connection is parallel connection, is powered by DC power supply.
The further Technological improvement plan of the present invention is:
The stator tooth (12) is correspondingly arranged with mover tooth (7), stator suspension tooth (13) and mover suspension tooth (5), connector
(11) it is set between corresponding suspension iron core (9) side wall of adjacent stators suspension tooth (13).
The further Technological improvement plan of the present invention is:
Circumferentially angle is 90 degree to the adjacent stators suspension tooth (13), between angularly setting there are two stator tooth
(12).
The further Technological improvement plan of the present invention is:
Circumferentially angle is 90 degree to the adjacent mover suspension tooth (5), between angularly setting there are two mover tooth (5).
The further Technological improvement plan of the present invention is:
The width and thickness of the stator tooth (12) and mover tooth (5) is to be set as A, the spacing between adjacent stator core (6)
It also is A, the spacing between adjacent mover core (4) is that 2A, M and A are axially moved distance according to axial movement total distance and every time
Any setting, M are the natural number greater than 3.
The further Technological improvement plan of the present invention is:
The stator (1) and mover (2) are the hollow cylindrical structure of coaxial line, and mover (2) is located at the inside of stator (1).
The further Technological improvement plan of the present invention is:
The stator (1), mover (2) are made of permeability magnetic material, and connector (11) is permeability magnetic material or is non-magnet material system
At.
Compared with prior art, the present invention having following obvious advantage:
One, constant-current source winding and suspending windings, the two energized phase interaction are respectively arranged on the stator suspension tooth of stator of the present invention
With generation X and Y-direction radial suspension force；The contactless suspension support of mover is realized, sensitivity, the rapidity of system are greatly improved
And trackability, mechanical friction loss is almost nil, and failure is few, non-maintaining, safe and reliable, the service life is long.
Two, the X of mover core of the present invention and Y-direction are the mover suspension tooth for being linked into four whole strips, can
Reliable and stable radial suspension force is generated while mover moves in a straight line.
Three, of the invention to separate suspension iron core and axial control iron core using every magnetic aluminium block, linear motion controls and suspends
Without coupling, independent control between control, control is simple, reliable.
Detailed description of the invention
Fig. 1 is side view of the present invention；
Fig. 2 is front view of the present invention；
Fig. 3 is constant-current source excitation field distribution map 1 of the present invention；
Fig. 4 is X-direction suspending power production principle Fig. 1 of the present invention；
Fig. 5 is Y-direction suspending power production principle Fig. 1 of the present invention；
Fig. 6 is constant-current source excitation field distribution map 2 of the present invention；
Fig. 7 is X-direction suspending power production principle Fig. 2 of the present invention；
Fig. 8 is Y-direction suspending power production principle Fig. 2 of the present invention；
Specific embodiment
The present invention is based on principle be:
Move along a straight line principle: at initial position, m-th mover core 4 is just being aligned with outer stator iron core 6, then intermediate fixed
6 right side of sub- iron core be aligned on the left of the M+1 stator core 6, at this point, the axial control winding 16 in outer stator iron core 6 is broken
Electricity, and the axial control winding 16 in intermediate stator core 6 is powered, mover 2 will be moved to the left A, continue intermediate stator
Axial control winding 16 in iron core 6 powers off, and the axial control winding 16 in the stator core of inside 6 is powered, and mover 2 will
Continue to move downward A, repeat the above process, mover 2 will be moved downward continuously；If you need to move right, then axial direction is converted
The power-up sequence of control winding 16 can be realized.If you need to be accurately positioned, tooth pitch only need to be designed, it, can if mover 2 is longer
It is used cooperatively together by multiple stator cores 6, is used to support 2 stable suspersion of mover.
Below by specific embodiment combination attached drawing 1-5, invention is further described in detail.
The present invention includes stator 1 and mover 2, and the mover 2 includes mover axis 3, M axially aligned mover cores 4
It is socketed on the circumferential surface of mover axis 3, is provided with and is linked together in M mover core X and Y-direction, and extend entire mover axial length
4 mover suspension teeth 5, be evenly equipped with 8 mover teeth 7 on remaining circumferential surface of each mover core；The stator 1 includes three stators
Iron core 6, the stator core 6 are the hollow cylindrical structure with 2 coaxial line of mover, and mover 2 is located at the inner ring of stator 1, each
Suspension iron core 9 and control iron core 10 are linked together by four pieces every magnetic aluminium block 8 by stator core 6, the inner circumferential of each control iron core 10
2 stator tooths 12 are evenly equipped with, the X-direction and Y-direction of suspension iron core 9 have 4 stator suspension teeth 13, coiling on stator suspension tooth 13
There are constant-current source winding 14 and suspending windings 15, coiling axial direction control winding 16 on stator tooth 12；The stator tooth 12, stator suspend
Tooth 13 is arranged in a one-to-one correspondence with mover tooth 7, mover suspension tooth 5.
The width and thickness of stator tooth 12 and mover tooth 7 is A, and the spacing between adjacent stator core 6 is A, adjacent dynamic
Spacing between sub- iron core 4 is 2A.
In the present embodiment, the M is natural number and M > 3, the quantity of mover core 4 far more than stator core 6 quantity,
The quantity of mover core 4, which depends on motor axial length, can use more than two stators 1 one when mover core 4 is very long
It rises and uses.Stator tooth 12 and mover tooth 7 correspond, and magnetic circuit is unsaturated.
Suspension magnetic circuit and linear motion magnetic circuit are mutually isolated, and suspension control magnetic flux and magnetic flux are merely through place
Closed circuit is formed in X and the stator suspension tooth 13 and mover suspension tooth 5 of Y-direction, on axial linear movement without influence, control letter
It is single.
It is provided with and is linked together on the X and Y-direction of M mover core 4, and extend the long mover of entire mover axis 3 and suspend
Tooth 5 guarantees to generate reliable and stable radial suspension force while mover 2 moves in a straight line.
Stator 1, mover 2 are made of permeability magnetic material, and connector 11 may be either that permeability magnetic material can also be non-magnet material.
One, connector 11 is non-magnet material.
It is supplied after 14 differential concatenation of constant-current source winding or parallel connection in the stator core 6 of left, center, right three by a constant-current source
Electricity, as shown in figure 3, powered after 15 series aiding connection of suspending windings or parallel connection in same direction by a DC power supply, such as Fig. 4,
Shown in Fig. 5.
Illustrate suspension theory of the invention by taking one of stator core 6 as an example:
Constant-current source winding 14 is powered, and closure constant-current source magnetic is formed in stator core 6, stator suspension tooth 13, mover suspension tooth 5
It is logical, such as Fig. 3；Y-direction suspending windings are powered, and form the Y-direction suspension control magnetic flux of closure, such as Fig. 4；Two magnetic of Fig. 3 and Fig. 4
Field is overlapped mutually, and is mutually weakened in negative Y direction magnetic field, is mutually enhanced in positive Y direction magnetic field, therefore is directed toward positive Y-direction for generating
Suspending power.
X-direction suspending windings 15 are powered, and form the X-direction suspension control magnetic flux of closure, such as Fig. 5；Two of Fig. 5 and Fig. 3
Magnetic field is overlapped mutually, and is mutually weakened in negative X direction magnetic field, is mutually enhanced in positive X direction magnetic field, therefore is directed toward the positive side X for generating
To suspending power.
Two, connector 11 is permeability magnetic material.
Constant-current source winding 14 is powered, and is formed in the stator suspension tooth 13, mover suspension tooth 5 between three stator cores 1
It is closed constant-current source magnetic flux, such as Fig. 6；Y-direction suspending windings 15 are powered, and form the Y-direction suspension control magnetic flux of closure, such as Fig. 7；Figure
The magnetic field of 6 and Fig. 7 is overlapped mutually, and is mutually weakened in negative Y direction magnetic field, is mutually enhanced in positive Y direction magnetic field, therefore generation is referred to
To the suspending power of positive Y-direction.
X-direction suspending windings 15 are powered, and form the X-direction suspension control magnetic flux of closure, such as Fig. 8；The magnetic field of Fig. 6 and Fig. 8
It is overlapped mutually, mutually weakens in negative X direction magnetic field, mutually enhance in positive X direction magnetic field, therefore be directed toward positive X direction for generating
Suspending power.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes
Technical solution consisting of any combination of the above technical features.It should be pointed out that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (8)
1. a kind of quadrupole direct current magnetic suspension magnetic resistance type linear motor of constant-current source excitation, including stator (1), mover (2), feature
Be: the stator (1) includes the identical stator core (6) of three structures, by being located at X, Y-direction between stator core (6)
Four connectors (11) it is fixed, the stator core (6) includes the axial control iron of suspension iron core (9), four identical radian measures
The heart (10), suspension iron core (9) inner wall pass through four pieces respectively and fix one every magnetic aluminium ring (8) and four axial control iron core (10) outer walls
Body, suspension iron core (9) inner wall X circumferentially, Y-direction are equipped with four inwardly projecting stator suspension teeth (13), thereon radially
Successively coiling constant-current source winding (14), suspending windings (15), X, Y-direction suspending windings (15) connect respectively, each axial control
Iron core (10) inner wall is circumferentially angularly equipped with two inwardly projecting stator tooths (12), correspond to thereon coiling it is axial control around
Group (16)；
The mover (2) includes mover axis (3), and M axially aligned mover cores (4) are socketed on mover axis (3), and M is a
Mover core (4) circumference to radially X, Y-direction setting there are four run through mover axis (3) mover suspension tooth (5), each mover
The circumferential surface remaining space of iron core (4) is evenly arranged with eight mover teeth (7).
2. a kind of quadrupole direct current magnetic suspension magnetic resistance type linear motor of constant-current source excitation according to claim 1, feature
Be: the constant-current source winding (14) of coiling is in parallel or is string on the stator suspension tooth (13) of four stator cores (6)
Connection, is powered by DC constant current power supply；The suspending windings (15) of coiling are on the stator suspension tooth (13) of four stator cores (6)
Series connection is parallel connection, is powered by DC power supply.
3. a kind of quadrupole direct current magnetic suspension magnetic resistance type linear motor of constant-current source excitation according to claim 1 or 2, special
Sign is: the stator tooth (12) is correspondingly arranged with mover tooth (7), stator suspension tooth (13) and mover suspension tooth (5).
4. a kind of quadrupole direct current magnetic suspension magnetic resistance type linear motor of constant-current source excitation according to claim 1 or 2, special
Sign is: circumferentially angle is 90 degree to the adjacent stators suspension tooth (13), between angularly setting there are two stator tooth
(12).
5. a kind of quadrupole direct current magnetic suspension magnetic resistance type linear motor of constant-current source excitation according to claim 1 or 2, special
Sign is: circumferentially angle is 90 degree to the adjacent mover suspension tooth (5), between angularly setting there are two mover tooth
(5).
6. a kind of quadrupole direct current magnetic suspension magnetic resistance type linear motor of constant-current source excitation according to claim 1 or 2, special
Sign is: the width and thickness of the stator tooth (12) and mover tooth (5) is to be set as A, between adjacent stator core (6) between
Away from being also A, the spacing between adjacent mover core (4) be 2A, M and A according to be axially moved total distance and be axially moved every time away from
Meaning of leaving one's post setting, M are the natural number greater than 3.
7. a kind of quadrupole direct current magnetic suspension magnetic resistance type linear motor of constant-current source excitation according to claim 1 or 2, special
Sign is: the stator (1), be with mover (2) coaxial line hollow cylindrical structure, mover (2) is located at the interior of stator (1)
Portion.
8. a kind of quadrupole direct current magnetic suspension magnetic resistance type linear motor of constant-current source excitation according to claim 1 or 2, special
Sign is: the stator (1), mover (2) are made of permeability magnetic material, and connector (11) is magnetic conduction or non-magnet material system
At.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910366223.2A CN110112886A (en) | 2019-05-05 | 2019-05-05 | A kind of quadrupole direct current magnetic suspension magnetic resistance type linear motor of constant-current source excitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910366223.2A CN110112886A (en) | 2019-05-05 | 2019-05-05 | A kind of quadrupole direct current magnetic suspension magnetic resistance type linear motor of constant-current source excitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110112886A true CN110112886A (en) | 2019-08-09 |
Family
ID=67488175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910366223.2A Withdrawn CN110112886A (en) | 2019-05-05 | 2019-05-05 | A kind of quadrupole direct current magnetic suspension magnetic resistance type linear motor of constant-current source excitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110112886A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112054648A (en) * | 2020-09-14 | 2020-12-08 | 重庆交通大学 | Bearingless switch reluctance linear motor |
-
2019
- 2019-05-05 CN CN201910366223.2A patent/CN110112886A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112054648A (en) * | 2020-09-14 | 2020-12-08 | 重庆交通大学 | Bearingless switch reluctance linear motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108809023B (en) | Disc type three-degree-of-freedom magnetic suspension switched reluctance motor | |
| CN108847725B (en) | Stator permanent magnet type sheet type bearingless switched reluctance motor | |
| WO2020001294A1 (en) | Five-degree-of-freedom bearingless switched reluctance motor | |
| CN103929041B (en) | A kind of magnetic suspension permanent magnet linear motor | |
| CN106992644A (en) | A kind of five degree of freedom composite excitation magnetic suspension switched reluctance motor | |
| CN101442236A (en) | Novel magnetic energy ship | |
| CN102480175A (en) | Bearingless levitation rotor permanent magnet motor | |
| CN108880152B (en) | Double-stator hybrid excitation magnetic suspension switched reluctance motor | |
| CN203911720U (en) | Magnetic suspension permanent magnetism linear motor | |
| CN111022498B (en) | Radial winding-free hybrid magnetic bearing | |
| CN108599521A (en) | A kind of hybrid magnetoresistive type magnetic-suspension linear motor with axialy offset magnetic flux | |
| CN108847763A (en) | A kind of magnetic suspension magnetic resistance linear motor of constant-current source excitation | |
| CN101436816A (en) | Novel permanent magnetic energy machine | |
| CN108599501B (en) | Axial single-degree-of-freedom bearingless asynchronous motor | |
| CN110112886A (en) | A kind of quadrupole direct current magnetic suspension magnetic resistance type linear motor of constant-current source excitation | |
| KR101872262B1 (en) | Magnet generator | |
| CN101707461A (en) | Non-energized structural electromotor brake used by space manipulator | |
| US20160365759A1 (en) | Magnetic energy generation device | |
| CN109194021A (en) | A kind of electro spindle of five-degree-of-freedom alternating sextupole active magnetic bearings bearing | |
| CN211574039U (en) | New structure radial two-degree-of-freedom hexapole alternating current/direct current hybrid magnetic bearing | |
| CN212033983U (en) | Quadrupole direct current magnetic suspension reluctance type linear motor | |
| CN113659796A (en) | Hybrid excitation permanent magnet type reluctance linear motor type control rod driving mechanism | |
| CN110112884A (en) | A kind of three-pole AC magnetic-suspension linear motor of constant-current source excitation | |
| CN206472016U (en) | The dual excitation cartridge reciprocating permanent-magnetic linear electric motors of high pushing force density | |
| TWM450910U (en) | Assembly apparatus of compact motor and wind power generator with high performance magnetic levitation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190809 |
|
| WW01 | Invention patent application withdrawn after publication |