CN201918874U - Permanent-magnet linear oscillation motor - Google Patents
Permanent-magnet linear oscillation motor Download PDFInfo
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- CN201918874U CN201918874U CN2010206175609U CN201020617560U CN201918874U CN 201918874 U CN201918874 U CN 201918874U CN 2010206175609 U CN2010206175609 U CN 2010206175609U CN 201020617560 U CN201020617560 U CN 201020617560U CN 201918874 U CN201918874 U CN 201918874U
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- stator
- permanent magnet
- mover
- linear
- stator winding
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Abstract
The utility model discloses a permanent-magnet linear oscillation motor with axial magnetic flux, comprising an engine base, a linear bearing, a stator iron core, a stator winding, a rotor iron yoke, a rotor permanent magnet, a linear guide rail, a limited block, a spring and a zero air gap guaranteeing point. The permanent-magnet linear oscillation motor is characterized in that a stator has a disc type structure; the stator winding is embedded in a parallel gear groove in the inner surface of the stator iron core, and is arranged in a centralized way; a rotor moves up and down along the linear guide rail by the linear bearing, and is controlled by the limited block to only do linear motion; permanent magnets with N and S arranged alternatively are adhered on the inner surface of the rotor iron yoke, and correspond to an armature magnetic field with N and S poles formed by the stator winding; and the spring is positioned between the linear bearing and the stator engine base. The motor is efficient and energy saving, is free of noise, is simple in structure, is convenient to process and maintain, and is applicable to compressors, vibration sieves, pumps, family therapeutic massage machines and other reciprocating short-stroke linear motion fields.
Description
Technical field
The utility model relates to a kind of permanent magnet linear vibration motor with axial magnetic flux, relates in particular to the disc type annular stator core and the parallel slot structure of this motor, belongs to the vibration motor field.
Background technology
Conventional art adopts transmission mechanisms such as ball-screw, crank, gear to realize that rotatablely moving of electric rotating machine are converted to straight reciprocating motion usually, and transmission efficiency is low, difficult in maintenance, Mechanical Reliability difference etc.Adopt linear electric motors directly to drive load and move reciprocatingly, reduced frictional dissipation, reduced mechanical time constant is little, improved electric drive system efficient and reliability.Adopt the system of the permanent-magnetism linear motor of transverse magnetic flux as drive source, simple in structure, pushing force density is big.
Chinese patent 96202051.6 discloses a kind of many magnetic pole linears vibration motor, described motor is made up of the stator that embeds winding, bearing, casing, mover etc., stator upper edge axially-aligned has a lot of row magnetic pole set, has a pair of magnetic pole at least in every row magnetic pole set, winding in each row magnetic pole set is parallel with one another, corresponding with it moving magnetic pole is arranged, central shaft two ends suit vibrating spring on the central shaft that moves back and forth.Power output is bigger, is used for compressor, vibrator and pump, but its complex structure.
Chinese patent 101136576 discloses does not a kind ofly have spring system and safety relies on magnetic circuit to realize that cylinder type mover carries out the magnetic resistance type linear oscillating motor of straight reciprocating motion in hollow stator inside in the middle of structure.Adopt pulse direct current and Unipolar driving circuit to carry out work.During work, power in turn to two solenoids with the pulse direct current of out of phase and by Unipolar driving circuit, the work magnetic field that they are produced forms displacement back and forth at the two ends of motor, slidably cylinder type mover then relies on the magnetic resistance pulling force that " magnetic resistance minimum principle " produced, and follows the magnetic field that the motor two ends change back and forth and form the linear reciprocation operation in the inside of hollow stator.But the power of this motor energy density is low, and the power supply supply power mode is restricted.
Chinese patent application numbers 200880001914 discloses a kind of line motor that is used for linear compressor, comprise internal stator, outer stator, the mover that a plurality of permanent magnets are formed, described internal stator makes its insulated from each other formation by circumferencial direction stacked core piece, outer stator is by along the circumferential direction being provided with the iron core piece and forming around described iron core piece coiling coil with predetermined space, described permanent magnet is arranged between described internal stator and the described outer stator with predetermined gap and interacts and along straight reciprocating motion, its structure and core lamination stack are complicated, difficult in maintenance.
The utility model content
The purpose of this utility model provides a kind of permanent magnet linear vibration motor, its based on structural principle be: when in the monophase machine winding, feeding single-phase alternating current, between the air gap between mover and the stator, produce the impulsive magnetic field that N, utmost point S replace, itself and the corresponding permanent magnet magnetic field interactions of mover, produce reciprocating vibration, regulate the impulsive magnetic field intensity of winding and distance and the frequency of oscillation that frequency of supply changes the vibration stroke.The technical solution of the utility model realizes with following method:
Permanent magnet linear vibration motor comprises stator, mover, linear bearing, line slideway, spring, permanent magnet, stator winding, mover iron yoke, support, guide vane end stop.Described stator is a tray type structure, and stator winding is embedded in the teeth groove of stator core, and stator winding adopts the single-phase mode of connection; Mover moves along line slideway by linear bearing, and mover and linear bearing be for being rigidly connected, the permanent magnet that bonding N, S alternately arrange on the mover, and permanent magnet and the formed N of stator winding, S Polar armature magnetic field are corresponding; Spring is between linear bearing and support, and guide vane end stop avoids mover to rotate along circumferential.
Described stator core is circular, parallel fluting, and stator winding is concentrated and is positioned in the described parallel slot.
Described stator tooth is fan-shaped, and inside and outside both sides are circular-arc.
Described mover is made up of the permanent magnet that annular mover iron yoke and radial parallel, interior outside are circular arc, and permanent magnet is along the circumferential direction alternately arranged according to N, S utmost point order, and the quantity of permanent magnet is identical with the magnetic field number of poles of stator winding electric current generation.
Described spring housing is between linear bearing and the out frame on line slideway.
Adopt scheme provided by the utility model, permanent magnet linear vibration motor directly drives load and moves reciprocatingly, the efficient and the reliability of system have been improved, owing to adopt the axial-flux electric machine structure, simple in structure, compact, power supply is flexible configuration as required, and the stator winding mode of connection is unrestricted, roll off the production line conveniently, maintenance is simple.In addition, described permanent magnet linear vibration motor, energy-efficient, the permanent magnet of mover is easy to processing, assembling.
Description of drawings
Fig. 1 is the three-dimensional assembling of a utility model general structure schematic diagram;
Fig. 2 (A) stator schematic perspective view;
Fig. 2 (B) is the vertical view of Fig. 2 (A);
Fig. 3 is the stator winding schematic perspective view;
Fig. 4 is bindiny mechanism's schematic perspective views such as line slideway, linear bearing, spring;
Fig. 5 (A) is the mover schematic perspective view;
Fig. 5 (B) is the vertical view of Fig. 5 (A);
Fig. 6 (A) is the utility model general structure schematic perspective view;
Fig. 6 (B) is the vertical view of Fig. 6 (A).
In the accompanying drawing, 1. stator, 2. mover, 3. linear bearing, 4. line slideway, 5. spring, 6. permanent magnet, 7. stator winding, 8. mover iron yoke, 9. support, 10. guide vane end stop.
Embodiment
Further be illustrated below in conjunction with embodiment and accompanying drawing thereof.
The three-dimensional installation diagram of the general structure of permanent magnet linear vibration motor comprises stator 1, mover 2, linear bearing 3, line slideway 4, spring 5, permanent magnet 6, stator winding 7, mover iron yoke 8, support 9, guide vane end stop 10 as shown in Figure 1.Described stator 1 is a tray type structure, and shown in Fig. 2 (A), (B), stator 1 is installed on the support 9.Stator winding 7 is embedded in the teeth groove of stator core as shown in Figure 3, adopts the single-phase mode of connection.Mover 2 is by mover yoke portion 8 and stick on the permanent magnet 6 that N, S alternately arrange in the mover yoke portion 8 and form, shown in Fig. 5 (A), (B).Permanent magnet 6 and stator winding 7 formed N, S Polar armature magnetic field are corresponding.Mover 2 forms one by bindiny mechanisms (Fig. 4) such as line slideway, linear bearing, springs with stator 1, constitutes described permanent magnet linear vibration motor, as Fig. 6 (A), (B).After stator winding 7 energisings, mover 2 is done reciprocating vibration by linear bearing 3 along line slideway 4 and is moved, and guide vane end stop 10 avoids mover 2 to rotate along circumferential.Mover 2 and linear bearing 3 are for being rigidly connected, and spring 5 is between linear bearing 3 and support 8.
Claims (5)
1. permanent magnet linear vibration motor, comprise stator (1), mover (2), linear bearing (3), line slideway (4), spring (5), permanent magnet (6), stator winding (7), mover iron yoke (8), support (9), guide vane end stop (10), it is characterized in that: described stator (1) is tray type structure, stator winding (7) is embedded in the teeth groove of stator core, and stator winding (7) adopts the single-phase mode of connection; Mover (2) moves along line slideway (4) by linear bearing (3), mover (2) and linear bearing (3) are for being rigidly connected, the permanent magnet (6) that bonding N, S alternately arrange on the mover, permanent magnet (6) and the formed N of stator winding (7), S Polar armature magnetic field are corresponding; Spring (5) is positioned between linear bearing (3) and the support (8), and guide vane end stop (10) avoids mover to rotate along circumferential.
2. according to the described permanent magnet linear vibration motor of claim 1, it is characterized in that described stator core is circular, parallel fluting, stator winding (7) is concentrated and is positioned in the described parallel slot.
3. according to the described permanent magnet linear vibration motor of claim 2, it is characterized in that described stator tooth is fan-shaped, inside and outside both sides are circular-arc.
4. according to the described permanent magnet linear vibration motor of claim 1, it is characterized in that described mover (2) is made up of the permanent magnet (6) that annular mover iron yoke (8) and radial parallel, interior outside are circular arc, permanent magnet is along the circumferential direction alternately arranged according to N, S utmost point order, and the quantity of permanent magnet is identical with the magnetic field number of poles that the stator winding electric current produces.
5. according to the described permanent magnet linear vibration motor of claim 1, it is characterized in that described spring (5) is enclosed within on the line slideway (4), be between linear bearing (3) and the out frame (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206175609U CN201918874U (en) | 2010-11-10 | 2010-11-10 | Permanent-magnet linear oscillation motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206175609U CN201918874U (en) | 2010-11-10 | 2010-11-10 | Permanent-magnet linear oscillation motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201918874U true CN201918874U (en) | 2011-08-03 |
Family
ID=44418663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206175609U Expired - Fee Related CN201918874U (en) | 2010-11-10 | 2010-11-10 | Permanent-magnet linear oscillation motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201918874U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005891A (en) * | 2010-11-10 | 2011-04-06 | 河南理工大学 | Single-phase alternating current permanent magnet linear disk type oscillating motor |
| CN106357080A (en) * | 2016-09-30 | 2017-01-25 | 歌尔股份有限公司 | Linear vibration motor |
-
2010
- 2010-11-10 CN CN2010206175609U patent/CN201918874U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005891A (en) * | 2010-11-10 | 2011-04-06 | 河南理工大学 | Single-phase alternating current permanent magnet linear disk type oscillating motor |
| CN102005891B (en) * | 2010-11-10 | 2012-10-31 | 河南理工大学 | Single-phase alternating current permanent magnet linear disk type oscillating motor |
| CN106357080A (en) * | 2016-09-30 | 2017-01-25 | 歌尔股份有限公司 | Linear vibration motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20121110 |