CN101741215B - Permanent magnet synchronous linear motor - Google Patents
Permanent magnet synchronous linear motor Download PDFInfo
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- CN101741215B CN101741215B CN2008101622868A CN200810162286A CN101741215B CN 101741215 B CN101741215 B CN 101741215B CN 2008101622868 A CN2008101622868 A CN 2008101622868A CN 200810162286 A CN200810162286 A CN 200810162286A CN 101741215 B CN101741215 B CN 101741215B
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Abstract
The invention relates to a permanent magnet synchronous linear motor of which the thrust is larger than the thrust of a general cylindrical permanent magnet synchronous linear motor. The permanent magnet synchronous linear motor of the invention comprises a motor primary level (8) and a motor secondary level (9), wherein the motor primary level comprises a shell (4), an armature coil (3) and a linear sliding bearing (1); the motor secondary level comprises a plurality of axially magnetized magnetic rings (5), a plurality of radially magnetized magnetic rings (6) and a core rod (7); the motor primary level (8) is sleeved on the motor secondary level (9) through the linear sliding bearing (1); the armature coil (3) is distributed on the inner wall of the shell (4) along the axial direction to form the motor primary level (8); and the multiple axially magnetized magnetic rings (5) and the multiple radially magnetized magnetic rings (6) are arranged on the core rod (7) at intervals to form the motor secondary level (9). The thrust of the permanent magnet synchronous linear motor of the invention is larger than the thrust of the current cylindrical permanent magnet synchronous linear motor. In the motor of the invention, the primary level can be used as a stator, and the secondary level can be used as a rotor; and the primary level can be also used as the rotor, and the secondary level can be also used as the stator.
Description
Technical field
The present invention relates to a kind of linear electric motors.
Background technology
Traditional cylindrical permanent linear synchronous motor is as shown in Figure 3, and motor secondary is made up of a plurality of axial charging magnet rings, and the magnetizing direction of adjacent magnet ring is opposite.The magnetic flux density of the secondary generation of this cylinder permanent magnetic line motor is little, can not satisfy the demand occasion of high thrust, needs further to improve design.
Summary of the invention
The present invention is in order to solve the little problem of existing cylindrical permanent linear synchronous motor secondary magnetic induction, satisfying the needs of high thrust occasion for linear electric motors, and a kind of cylindrical permanent linear synchronous motor is provided.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of permanent magnetic linear synchronous motor; It includes electric motor primary and motor secondary; On motor secondary, there be air gap in electric motor primary between electric motor primary and the motor secondary through the linear slide bearing holder (housing, cover); Electric motor primary includes shell, armature coil, and armature coil is distributed in vertically on the inwall of shell and constitutes electric motor primary; Motor secondary includes a plurality of radial magnetizing magnet rings, plug at least, and the radial magnetizing magnet ring is enclosed within on the plug; It is characterized in that motor secondary also includes a plurality of axial charging magnet rings; The axial charging magnet ring is enclosed within on the plug; And; A plurality of axial charging magnet rings and a plurality of radial magnetizing magnet ring are spaced and on plug, constitute motor secondary, and two axial charging magnet ring magnetizing directions separately are opposite, and the magnetizing direction of two radial magnetizing magnet rings separately is opposite.
Or,
A kind of permanent magnetic linear synchronous motor, it comprises electric motor primary and motor secondary, on motor secondary, there be air gap in electric motor primary between electric motor primary and the motor secondary through the linear slide bearing holder (housing, cover); Motor secondary includes armature coil, plug, and armature coil is distributed in vertically and constitutes motor secondary on the plug; Electric motor primary includes shell, a plurality of radial magnetizing magnet ring at least; The radial magnetizing magnet ring is arranged on the inwall of shell; It is characterized in that electric motor primary also includes a plurality of axial charging magnet rings; A plurality of axial charging magnet rings and a plurality of radial magnetizing magnet ring are spaced on the inwall of shell and constitute electric motor primary, and two axial charging magnet ring magnetizing directions separately are opposite, and the magnetizing direction of two radial magnetizing magnet rings separately is opposite.
The shell of motor and plug are made up of non-magnetic material (like stainless steel, aluminium etc.).Housing can be made cylindrical shape, and is easy to use.
Compared with prior art; The invention has the advantages that: the magnetic structure design more reasonable is practical; The magnetic line of force through conventional motors and motor secondary of the present invention distributes relatively; But the magnetic flux density in the motor secondary outside of knowledge capital invention is strengthened than the secondary outside of conventional motors magnetic flux density greatly, thereby makes motor be fit to the needs of high thrust.
Description of drawings
Fig. 1 is the structural representation of first kind of execution mode;
Fig. 2 is the structural representation of second kind of execution mode;
Fig. 3 is the structural representation of traditional cylindrical linear;
Fig. 4 (a) is that the traditional round cartridge type linear electric motors secondary magnetic line of force distributes;
Fig. 4 (b) is that the cylindrical linear secondary magnetic line of force of the present invention distributes.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Shown in Fig. 1～Fig. 4 (a), 4 (b), be the preferred embodiments of the present invention:
Embodiment one: as shown in Figure 1, a kind of cylindrical permanent linear synchronous motor comprises electric motor primary 8 and motor secondary 9.Electric motor primary 8 comprises: shell 4, armature coil 3, linear slide bearing 1; Motor secondary 9 comprises: a plurality of axial charging magnet rings 5, a plurality of radial magnetizing magnet rings 6, plug 7.Electric motor primary 8 is enclosed within on the motor secondary 9 through linear slide bearing 1, has air gap 2 between electric motor primary and the motor secondary, and armature coil 3 is distributed in vertically and constitutes electric motor primary 8 on the inwall of shell 4.A plurality of axial charging magnet rings 5 are spaced, are sheathed on a plurality of radial magnetizing magnet rings 6 and constitute motor secondary 9 on the plug 7, and two axial charging magnet ring magnetizing directions separately are opposite, and the magnetizing direction of two radial magnetizing magnet rings separately is opposite.
Embodiment two: as shown in Figure 2, a kind of cylindrical permanent linear synchronous motor comprises electric motor primary 8 and motor secondary 9.Electric motor primary 8 comprises: shell 4, a plurality of axial charging magnet rings 5, a plurality of radial magnetizing magnet rings 6, linear slide bearing 1; Motor secondary 9 comprises: armature coil 3, plug 7.Electric motor primary 8 is enclosed within on the motor secondary 9 through linear slide bearing 1, has air gap 2 between electric motor primary and the motor secondary, and armature coil 3 is distributed in vertically and constitutes motor secondary 9 on the plug 7.A plurality of axial charging magnet rings 5 and a plurality of radial magnetizing magnet rings 6 are spaced, are arranged on the inwall of shell 4 and constitute electric motor primary 8, and two axial charging magnet ring magnetizing directions separately are opposite, and the magnetizing direction of two radial magnetizing magnet rings separately is opposite.
Fig. 4 (a), 4 (b) are that the magnetic line of force of conventional motors and motor secondary of the present invention distributes relatively, but the magnetic flux density in the knowledge capital invention motor secondary outside is strengthened than the secondary outside of conventional motors magnetic flux density greatly.
Claims (2)
1. permanent magnetic linear synchronous motor, it includes electric motor primary (8) and motor secondary (9), and electric motor primary (8) is enclosed within on the motor secondary (9) through linear slide bearing (1), has air gap (2) between electric motor primary and the motor secondary; Electric motor primary (8) includes shell (4), armature coil (3), and armature coil (3) is distributed in vertically on the inwall of shell (4) and constitutes electric motor primary (8); Motor secondary (9) includes a plurality of radial magnetizing magnet rings (6), plug (7) at least, and radial magnetizing magnet ring (6) is enclosed within on the plug (7); It is characterized in that motor secondary (9) also includes a plurality of axial charging magnet rings (5); Axial charging magnet ring (5) is enclosed within on the plug (7); And; A plurality of axial charging magnet rings (5) and a plurality of radial magnetizing magnet ring (6) are spaced and on plug (7), constitute motor secondary (9), and adjacent two axial charging magnet rings (5) magnetizing direction is opposite, and the magnetizing direction of adjacent two radial magnetizing magnet rings (6) is opposite.
2. permanent magnetic linear synchronous motor, it comprises electric motor primary (8) and motor secondary (9), electric motor primary (8) is enclosed within on the motor secondary (9) through linear slide bearing (1), has air gap (2) between electric motor primary and the motor secondary; Motor secondary (9) includes armature coil (3), plug (7), and armature coil (3) is distributed in vertically and constitutes motor secondary (9) on the plug (7); Electric motor primary (8) includes shell (4), a plurality of radial magnetizing magnet ring (6) at least; Radial magnetizing magnet ring (6) is arranged on the inwall of shell (4); It is characterized in that electric motor primary (8) also includes a plurality of axial charging magnet rings (5); A plurality of axial charging magnet rings (5) and a plurality of radial magnetizing magnet ring (6) are spaced and on the inwall of shell (4), constitute electric motor primary (8); Adjacent two axial charging magnet rings (5) magnetizing direction is opposite, and the magnetizing direction of adjacent two radial magnetizing magnet rings (6) is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101622868A CN101741215B (en) | 2008-11-20 | 2008-11-20 | Permanent magnet synchronous linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101622868A CN101741215B (en) | 2008-11-20 | 2008-11-20 | Permanent magnet synchronous linear motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101741215A CN101741215A (en) | 2010-06-16 |
| CN101741215B true CN101741215B (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101622868A Active CN101741215B (en) | 2008-11-20 | 2008-11-20 | Permanent magnet synchronous linear motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN101741215B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101969260B (en) * | 2010-08-31 | 2012-10-03 | 深圳市大族激光科技股份有限公司 | Cylindrical submersible linear motor and submersible linear pumping unit |
| CN101938208A (en) * | 2010-09-10 | 2011-01-05 | 中国科学院宁波材料技术与工程研究所 | Axial linear motor |
| JP5306558B2 (en) * | 2011-04-04 | 2013-10-02 | 三菱電機株式会社 | Linear motor |
| CN102434277B (en) * | 2011-11-14 | 2013-09-18 | 中国科学院宁波材料技术与工程研究所 | Internal-combustion permanent-magnet linear power generation device |
| KR20150127748A (en) * | 2013-04-12 | 2015-11-17 | 미쓰비시덴키 가부시키가이샤 | Movable element and linear motor |
| CN105990927B (en) * | 2016-06-01 | 2019-02-15 | 歌尔股份有限公司 | Magnet unit and a kind of linear vibration motor for vibrating motor |
| CN110838782B (en) * | 2019-11-25 | 2021-05-11 | 武汉纺织大学 | Sectional combination relay type magnetic drive speed reducer and speed reduction method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2285029Y (en) * | 1996-12-25 | 1998-06-24 | 金庆武 | DC permanent-magnet linear motor |
| CN1463070A (en) * | 2003-06-26 | 2003-12-24 | 哈尔滨工业大学 | Columnar linear motor in permanent magnet reluctance type |
| CN1929269A (en) * | 2006-09-28 | 2007-03-14 | 哈尔滨工业大学 | Axially magnetizing circular column permanent-magnet linear motor |
| CN1976187A (en) * | 2006-12-13 | 2007-06-06 | 哈尔滨工业大学 | Cylindrical three-phase permanent magnetic linear synchronous motor |
-
2008
- 2008-11-20 CN CN2008101622868A patent/CN101741215B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2285029Y (en) * | 1996-12-25 | 1998-06-24 | 金庆武 | DC permanent-magnet linear motor |
| CN1463070A (en) * | 2003-06-26 | 2003-12-24 | 哈尔滨工业大学 | Columnar linear motor in permanent magnet reluctance type |
| CN1929269A (en) * | 2006-09-28 | 2007-03-14 | 哈尔滨工业大学 | Axially magnetizing circular column permanent-magnet linear motor |
| CN1976187A (en) * | 2006-12-13 | 2007-06-06 | 哈尔滨工业大学 | Cylindrical three-phase permanent magnetic linear synchronous motor |
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| CN101741215A (en) | 2010-06-16 |
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