CN108880184A - A kind of Linear-rotation permanent-magnet actuator of novel short mover salient-pole structure - Google Patents
A kind of Linear-rotation permanent-magnet actuator of novel short mover salient-pole structure Download PDFInfo
- Publication number
- CN108880184A CN108880184A CN201810946748.9A CN201810946748A CN108880184A CN 108880184 A CN108880184 A CN 108880184A CN 201810946748 A CN201810946748 A CN 201810946748A CN 108880184 A CN108880184 A CN 108880184A
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- Prior art keywords
- mover
- permanent
- stator
- pole
- magnet
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- 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
- H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
-
- 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
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Linear Motors (AREA)
Abstract
The present invention provides a kind of Linear-rotation permanent-magnet actuator of novel short mover salient-pole structure, it is a kind of high performance electromagnetic mechanism.The actuator is made of stator, mover and winding, its stator is made of stator yoke (2), stator poles (9), pole shoe (7) and the coil (3) being wound in stator core, there are 12 stator poles on circumferencial direction, stator is mounted on non-magnetic casing (1), and bearing is connected by sleeve with casing (1).There are two the electric periods for stator shaft orientation, coil uses concentratred winding around the home, mover includes mover core (10), iron pole (5), permanent magnet (4) and magnetic bridge (8), it is identical that radial magnetizing permanent magnetism body interval is embedded into mover iron extremely inside, permanent magnet magnetizing direction.This structure is added to permanent magnet on the basis of traditional mover salient-pole structure, increases mover permanent magnet excitation magnetic field, and permanent-magnet torque and reluctance torque collectively constitute electromagnetic torque, improve torque density, realizes straight line, rotational or spiral motion.
Description
Technical field
The present invention relates to design of electrical motor field, be it is a kind of may be implemented straight line, rotational or spiral motion high-performance, high turn
The novel electromagnetic mechanism of square density.
Background technique
The implementation of traditional realization straight line and rotary motion is to establish two sets of independent electric systems and its transmission dress
It sets and respectively drives straight line and rotary motion, this system is the disadvantage is that volume is big, low-response.With the rapid development of hyundai electronics industry,
Its defect has been more and more obvious, and there is an urgent need to small size, high-performance, can stablize the electricity for realizing that straight line rotation two-freedom moves
Machine.
The motor that patent " a kind of cylindric piezo-electric motor for generating spiral linear motion " (CN 104506081) proposes exists
There is mutually matched screw thread between stator and rotor, and a pair of of AC signal is applied by the piezoelectric ceramics outer cylinder to stator and is swashed
It sends out stator and generates traveling wave in the circumferential direction, by screw thread auxiliary driving, rotor is made to generate spiral linear motion." one kind is dynamic for patent
The motor that magnetic-type straight line rotation two-freedom degree electric machine " (102497080 A of CN) proposes can drive mover rotate by front winding
Movement, and mover can be driven for linear motion by rear winding realizes on a motor output and has both rotary motion and straight
The two-freedom compound motion of line movement.Using double winding, cost of manufacture is increased, and is unfavorable for the heat dissipation of motor, system
Low-response.Patent " straight line rotatable communication output type Piexoelectric actuator " (CN103219916), only can be for the helical movement, structure
Simply, displacement and the high feature of corner accuracy, but stroke is limited.Patent " straight line rotates double freedom servo motor " (CN
103427588 A) straight line can be provided simultaneously on same root output shaft and rotate the movement of two freedom degrees, simplify equipment
Complexity, reduce the cost of production and maintenance.Intermediate conversion links are reduced, full closed loop control is realized, greatly improves
The precision of movement.But its disadvantage is：Stroke is short, and load capacity is low.Patent " Linear-rotation permanent-magnet actuator " (CN
101997389 A) permanent magnet intermesh arrangement in circumferential and axial, stator is superimposed using silicon steel sheet, it is suppressed that stator
Loss.Patent " a kind of straight line rotation two-freedom Halbach permanent magnetic actuator " (02013739 A of CN), patent " can be achieved
The permanent magnetic actuator of straight line and rotation coordinated control " (201854100 U of CN) and a kind of patent " bimorph transducer straight line rotation Ha Er
Bach's permanent magnetic actuator " (103280939 A of CN) uses Halbach permanent magnet array, and actuator configurations are simple and compact, can
It is good by property.
Mover of the present invention uses salient-pole structure, is embedded in permanent magnet in mover iron extremely internal interval iron pole, increases permanent magnetism
Torque improves the power density of actuator, realizes straight line, rotation and screw, has reached small size, high performance has wanted
It asks.
Summary of the invention
Technical problem：The present invention is directed to propose a kind of using the high power for being embedded in magnet structure in rotor with salient pole structure
Density, high performance permanent magnetic actuator, it substantially increases power density, increases mover intensity.
Technical solution：The present invention realizes that goal of the invention adopts the following technical scheme that：
A kind of Linear-rotation permanent-magnet actuator of novel short mover salient-pole structure, is made of subpart and stationary part,
Stationary part is made of stator yoke, stator poles, pole shoe and concentratred winding, is mounted on non-magnetic casing；Subpart
By mover core, iron pole and set of permanent magnets at permanent magnet interval is embedded in mover iron extremely inside, subpart and is located at non-magnetic axis
It holds, mover bearing is connected by sleeve with casing, there is 12 stator poles in circumferential direction, and there are two electric period, permanent magnetism in axial direction
Body is embedded in inside mover, and magnetizing direction is identical in the circumferential for the permanent magnet of mover core insertion, in the axial direction, adjacent permanent magnet
Magnetizing direction is on the contrary, each permanent magnet selects Nd-Fe-B permanent magnet material.
Preferably, the Linear-rotation permanent-magnet actuator of the novel short mover salient-pole structure of one kind provided by the invention, special
Sign is that stator core has been all made of 12 pole structures in the circumferential, and the multiple for being 3 divided by the greatest common divisor of itself and number of pole-pairs has
Conducive to harmonic wave is inhibited, in the axial direction, 3 slot, 4 pole structure is used within the scope of effective exercise, winding uses single layer concentratred winding, is easy to
Installation.
Preferably, the Linear-rotation permanent-magnet actuator of the novel short mover salient-pole structure of one kind provided by the invention, special
Sign is that permanent-magnet pole is embedded in mover iron extremely inside, and magnetizing direction is identical on circumferential and axial, has good protection to permanent magnet
Effect, during exercise, permanent-magnet torque and reluctance torque collective effect constitute electromagnetic torque, are conducive to improve torque/thrust density.
Preferably, the Linear-rotation permanent-magnet actuator of the novel short mover salient-pole structure of one kind provided by the invention, special
Sign is that stator core and mover core are all made of high permeability material silicon steel sheet 50W470 and axially fold.
Beneficial effect：Compared with prior art, the present invention its advantages are embodied in：The actuator stator core and mover
Iron core is formed using silicon steel plate packing, and permanent magnet is embedded into mover iron extremely inside, increases the intensity of mover.Each stator iron
It feels at ease on the casing of non-magnet material.Due to being effectively reduced the leakage magnetic flux of motor using silicon steel plate packing, thus
The power factor of actuator can be improved, the armature field that can be generated by electric current in winding adjusts the magnetic field of circumferential and axial
Intensity can effectively reduce loss.
Detailed description of the invention
Fig. 1 is a kind of Linear-rotation permanent-magnet actuator circumferential direction structural schematic diagram of novel short mover salient-pole structure.
Including non-magnetic shell 1, stator yoke 2, coil 3, permanent magnet 4, iron pole 5, non-magnet material 6, pole shoe 7, magnetic bridge
8, stator poles 9 and mover core 10.
Fig. 2 is a kind of Linear-rotation permanent-magnet actuator axial section of novel short mover salient-pole structure.
Including non-magnetic shell 1, stator yoke 2, coil 3, permanent magnet 4, iron pole 5, magnetic bridge 8, stator poles 9 and mover core
10。
Fig. 3 is the Linear-rotation permanent-magnet actuator Structure of mover schematic diagram using consequent pole structure.
Including permanent magnet N pole 4_1, permanent magnet S pole 4_2, iron pole 5, non-magnet material 6 and stator poles 9.
Specific embodiment
The Linear-rotation permanent-magnet actuator of the novel short mover salient-pole structure of one kind, as shown in Fig. 2, the actuator is by fixed
Son and mover composition, stator are made of stator yoke (2), coil (3) and stator poles (9), are fixed on non-magnetic casing (1)
On, mover is made of mover core (10), permanent magnet (4), magnetic bridge (8) and iron pole (5).In the circumferential, stator uses 12 tooth knots
Structure, the angle of adjacent stators tooth are 30 °.For stator shaft orientation there are two the electric period, stator core and mover core are all made of high magnetic conduction
Material silicon steel sheet is folded along axial direction.Winding uses the form of concentratred winding, and coil is easily installed by copper conductor coiling.
Subpart, permanent magnet interval are embedded in mover iron extremely inside, mover core and are mounted on non-magnetic bearing, should
Bearing is connected by sleeve with casing (6).Mover core moves in a straight line in the axial direction, and it is fixed that the axial length of mover core is less than
The length of son, is effectively reduced the volume of actuator.Structure of mover is compact, good reliability, on same circumferential section, permanent magnetism
Body magnetizing direction is consistent, number of pole-pairs 8, and permanent magnetism magnetizing direction is consistent in the same direction of motion in axial direction, and number of pole-pairs 2 is adjacent
The magnetizing direction of pole permanent magnet is on the contrary, as shown in Figure 3.Compared with the staggered structure of traditional permanent magnet pole, this structure is forever
The dosage of magnet is few, saturation of magnetic path is low, and mover is small in size, reduces the production cost.Due to being internally embedded in mover iron pole
Permanent magnet, compared with traditional structure, the power density of actuator is improved, and output torque pulsation reduces, realize straight line,
Rotation and screw.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (4)
1. a kind of Linear-rotation permanent-magnet actuator of novel short mover salient-pole structure, including subpart and stationary part, stator
It is to be made of stator yoke, stator poles, pole shoe and concentratred winding, is mounted on non-magnetic casing；Mover is by mover core, iron
Pole and set of permanent magnets are at permanent magnet interval is embedded in mover iron extremely inside, subpart and is located on non-magnetic bearing, mover bearing
It is connected by sleeve with casing, mover length is less than stator length in the axial direction.
2. the Linear-rotation permanent-magnet actuator of the novel short mover salient-pole structure of one kind according to claim 1, feature exist
It is all made of 12 pole structures in the circumferential in stator core, the multiple for being 3 divided by the greatest common divisor of itself and number of pole-pairs is conducive to
Inhibit harmonic wave, in the axial direction, 3 slot, 4 pole structure is used within the scope of effective exercise, winding uses single layer concentratred winding, is easily installed.
3. the Linear-rotation permanent-magnet actuator of the novel short mover salient-pole structure of one kind according to claim 1, feature exist
It is embedded in mover iron extremely inside in permanent-magnet pole, magnetizing direction is identical on circumferential and axial, there is good protective action to permanent magnet,
During exercise, permanent-magnet torque and reluctance torque collective effect constitute electromagnetic torque, are conducive to improve torque/thrust density.
4. the Linear-rotation permanent-magnet actuator of the novel short mover salient-pole structure of one kind according to claim 1, feature exist
High permeability material silicon steel sheet 50W470 is all made of in stator core and mover core axially to fold, and effectively inhibits loss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810946748.9A CN108880184A (en) | 2018-08-20 | 2018-08-20 | A kind of Linear-rotation permanent-magnet actuator of novel short mover salient-pole structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810946748.9A CN108880184A (en) | 2018-08-20 | 2018-08-20 | A kind of Linear-rotation permanent-magnet actuator of novel short mover salient-pole structure |
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| Publication Number | Publication Date |
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| CN108880184A true CN108880184A (en) | 2018-11-23 |
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| CN201810946748.9A Pending CN108880184A (en) | 2018-08-20 | 2018-08-20 | A kind of Linear-rotation permanent-magnet actuator of novel short mover salient-pole structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110182013A (en) * | 2019-05-20 | 2019-08-30 | 江苏大学 | A kind of two-freedom electromagnetism feed energy suspension based on double winding mixed magnetic circuit linear rotation permanent magnet motor actuator |
| CN110466302A (en) * | 2019-07-08 | 2019-11-19 | 江苏大学 | A kind of heavy vehicle linear rotating motor formula steering feed energy suspension |
| CN110481257A (en) * | 2019-07-08 | 2019-11-22 | 江苏大学 | A kind of steering feed energy suspension based on switching magnetic-resistance linear rotating motor |
| CN112532016A (en) * | 2020-12-15 | 2021-03-19 | 安徽理工大学 | Cylindrical permanent magnet reciprocating linear motion motor and control method thereof |
| CN113489282A (en) * | 2021-06-17 | 2021-10-08 | 江苏大学 | Steering suspension integrated five-phase permanent magnet fault-tolerant actuator and two-phase open-circuit fault-tolerant direct torque control method thereof |
| CN114531006A (en) * | 2022-04-01 | 2022-05-24 | 浙江舜宇智领技术有限公司 | Linear rotating motor and vehicle-mounted anti-shake camera device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852549A (en) * | 2015-05-28 | 2015-08-19 | 东南大学 | Linear rotation permanent magnet actuator adopting staggered pole structure |
| CN107425629A (en) * | 2017-05-27 | 2017-12-01 | 南京航空航天大学 | A kind of permanent magnet machine rotor |
-
2018
- 2018-08-20 CN CN201810946748.9A patent/CN108880184A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852549A (en) * | 2015-05-28 | 2015-08-19 | 东南大学 | Linear rotation permanent magnet actuator adopting staggered pole structure |
| CN107425629A (en) * | 2017-05-27 | 2017-12-01 | 南京航空航天大学 | A kind of permanent magnet machine rotor |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110182013A (en) * | 2019-05-20 | 2019-08-30 | 江苏大学 | A kind of two-freedom electromagnetism feed energy suspension based on double winding mixed magnetic circuit linear rotation permanent magnet motor actuator |
| CN110466302A (en) * | 2019-07-08 | 2019-11-19 | 江苏大学 | A kind of heavy vehicle linear rotating motor formula steering feed energy suspension |
| CN110481257A (en) * | 2019-07-08 | 2019-11-22 | 江苏大学 | A kind of steering feed energy suspension based on switching magnetic-resistance linear rotating motor |
| CN110466302B (en) * | 2019-07-08 | 2022-11-18 | 江苏大学 | Linear rotating motor type steering energy-feedback suspension for heavy vehicle |
| CN110481257B (en) * | 2019-07-08 | 2022-12-16 | 江苏大学 | Steering energy feedback suspension based on switch reluctance linear rotating motor |
| CN112532016A (en) * | 2020-12-15 | 2021-03-19 | 安徽理工大学 | Cylindrical permanent magnet reciprocating linear motion motor and control method thereof |
| CN113489282A (en) * | 2021-06-17 | 2021-10-08 | 江苏大学 | Steering suspension integrated five-phase permanent magnet fault-tolerant actuator and two-phase open-circuit fault-tolerant direct torque control method thereof |
| CN113489282B (en) * | 2021-06-17 | 2022-09-16 | 江苏大学 | Steering suspension integrated five-phase permanent magnet fault-tolerant actuator and two-phase open-circuit fault-tolerant direct torque control method thereof |
| CN114531006A (en) * | 2022-04-01 | 2022-05-24 | 浙江舜宇智领技术有限公司 | Linear rotating motor and vehicle-mounted anti-shake camera device |
| CN114531006B (en) * | 2022-04-01 | 2023-09-12 | 浙江舜宇智领技术有限公司 | Linear rotating motor and vehicle-mounted anti-shake imaging device |
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Application publication date: 20181123 |