CN101982929B - High dynamic and short stroke linear oscillating motor - Google Patents
High dynamic and short stroke linear oscillating motor Download PDFInfo
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- CN101982929B CN101982929B CN2010105227808A CN201010522780A CN101982929B CN 101982929 B CN101982929 B CN 101982929B CN 2010105227808 A CN2010105227808 A CN 2010105227808A CN 201010522780 A CN201010522780 A CN 201010522780A CN 101982929 B CN101982929 B CN 101982929B
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Abstract
The invention provides a high dynamic and short stroke linear oscillating motor, belonging to the technical field of a motor, which solves the problem that the existing short stroke linear reciprocating oscillating motor has low power density caused by a single stator structure. An external stator, a rotor and a shell of the linear oscillating motor are cylindrical; the external stator is fixed with the shell; the external stator, the rotor and an internal stator are orderly coaxially arranged from the outside to the inside; an external air gap is formed between the external stator and the rotor; an internal air gap is formed between the rotor and the internal stator; two internal stator fixed plates are arranged at two sides of the external stator and fixed to two ends of the internal stator; the rotor has a tile-shaped output end and stretches out from an axial through hole of the internal stator fixed plates; an elastic supporting element is arranged on the outside of the internal stator fixed plate; shaft fixed plates are fixed with the tile-shaped output ends of the rotor; the shaft fixed plates are fixed with rotor output shafts; the outer side ends of the rotor output shafts are fixed with movable ends of the elastic supporting elements. The invention is suitable for the linear oscillating motor.
Description
Technical field
The present invention relates to a kind of high dynamic short stroke linear vibration motor, belong to technical field of motors.
Background technology
A kind of common structure of short stroke linear reciprocation vibration motor is as shown in Figure 5.Motor supports leaf spring and is fixed on the stator shaft orientation both sides mainly by stator, mover and support leaf spring and constitute, but and its movable contact spring be connected with the output shaft of mover; On the one hand, mover is remained in the bore of stator, prevent that mover from radially contacting with bore of stator; On the other hand, leaf spring also produces axial restoring force, make the spring-quality system that constitutes by mover and leaf spring externally the effect of exciting force produce resonance down; Reciprocating vertically through mover, realize the electromechanical energy effective conversion.
But there is following problem in this motor: because motor is single stator structure, the space availability ratio of motor internal is low, and the power density of motor is low, is difficult for realizing high-power output.Simultaneously, the mover quality of motor is big, and mover is low with the resonance frequency of the spring-quality system that the support leaf spring is formed, and makes the dynamic characteristic of motor poor, has further limited the raising of power of motor density.
Summary of the invention
The objective of the invention is provides a kind of high dynamic short stroke linear vibration motor in order to solve existing short stroke linear reciprocation vibration motor owing to the low problem of power density that its single stator structure causes.
The dynamic short stroke linear vibration motor of height according to the invention, it comprises external stator, internal stator, mover, two internal stator fixed heads, two axis fixing plates, two mover output shafts, two elastic supporting member for supporting optical member and shell,
Said external stator, mover and shell are cylindrical shape,
The middle position of ring surface and the outer ring surface of external stator fix in the shell,
The coaxial successively from outside to inside setting of external stator, mover and internal stator,
Form outer air gap between the interior ring surface of external stator and the outer ring surface of mover, the interior ring surface of mover and the outer ring surface of internal stator form interior air gap;
The internal stator fixed head is a disc, and the outer round surface of two internal stator fixed heads fixes with the interior ring surface of shell respectively, and two internal stator fixed heads are symmetrical distribution in the both sides of axial two end faces of external stator,
The axial two ends of internal stator are fixedly connected with the center of two internal stator fixed heads respectively;
Have N axially extending bore on the internal stator fixed head, the even distribution in the center of circle of a said N axially extending bore is on the same circumference in the center of circle with the center of this internal stator fixed head,
Two axial ends of mover radially have N rectangular groove, form N tile shape output respectively at two axial ends of mover, two limits of said rectangular groove all with the axially parallel of this mover, said N is the integer more than or equal to 2;
Each tile shape output stretches out from an axially extending bore on the internal stator fixed head;
Elastic supporting member for supporting optical member is a disc, and the interior ring surface of the stiff end of said elastic supporting member for supporting optical member and shell is fixedly connected, and two elastic supporting member for supporting optical member are symmetrical distribution in the both sides of two axial ends of external stator;
Axis fixing plate is a disc; Two axis fixing plates lay respectively at the axial two ends of mover; And the central axis of each axis fixing plate and the dead in line of said mover, the end face of the tile shape output of each axis fixing plate and mover is fixedly connected, and two mover output shafts lay respectively at the axial two ends of mover; One end of mover output shaft is fixed on the center of axis fixing plate, and the other end of this mover output shaft is fixedly connected with the movable end of elastic supporting member for supporting optical member;
Said mover output shaft and the coaxial setting of mover.
Advantage of the present invention is:
The present invention adopts double-stator structure, makes excitation field can radially directly pass mover, and it is columnar structured that mover adopts, and can alleviate the mover quality greatly, improves the motor internal space availability ratio, thereby has improved the power density of motor.In addition,, simplified the structure of said motor, improved the structural strength and the reliability of motor through effective internal stator fixed structure and mover output shaft structure.Thereby power output, power density and the dynamic characteristic of motor have further been improved.
The present invention is simple in structure, the mover quality is little, dynamic response is fast, power output reaches the power density height greatly, in linear compressor and stirling generator system, has broad application prospects.
Description of drawings
Fig. 1 is the structural representation of the dynamic short stroke linear vibration motor of height of the present invention;
Fig. 2 is the end face structure sketch map of internal stator fixed head;
Fig. 3 is the end face structure sketch map of mover;
Fig. 4 is the structural representation that mover support described in the execution mode two and elastic restoring force produce leaf spring;
Fig. 5 is the structural representation of existing short stroke linear reciprocation vibration motor.
Embodiment
Embodiment one: this execution mode is described below in conjunction with Fig. 1 to Fig. 4; The dynamic short stroke linear vibration motor of the described height of this execution mode; It comprises external stator 1, internal stator 2, mover 3, two internal stator fixed heads 4, two axis fixing plates 5, two mover output shafts 6, two elastic supporting member for supporting optical member 7 and shells 8
Said external stator 1, mover 3 and shell 8 are cylindrical shape,
The middle position of ring surface and the outer ring surface of external stator 1 fix in the shell 8,
The coaxial successively from outside to inside setting of external stator 1, mover 3 and internal stator 2,
Form outer air gap between the interior ring surface of external stator 1 and the outer ring surface of mover 3, the interior ring surface of mover 3 and the outer ring surface of internal stator 2 form interior air gap;
Internal stator fixed head 4 is a disc, and the outer round surface of two internal stator fixed heads 4 fixes with the interior ring surface of shell 8 respectively, and two internal stator fixed heads 4 are symmetrical distribution in the both sides of axial two end faces of external stator 1,
The axial two ends of internal stator 2 are fixedly connected with the center of two internal stator fixed heads 4 respectively;
Have N axially extending bore 4-1 on the internal stator fixed head 4, the even distribution in the center of circle of said N axially extending bore 4-1 is on the same circumference in the center of circle with the center of this internal stator fixed head 4,
Two axial ends of mover 3 radially have N rectangular groove 3-1; Two axial ends at mover 3 form N tile shape output 3-2 respectively; Two limits of said rectangular groove 3-1 all with the axially parallel of this mover 3, said N is the integer more than or equal to 2;
Each tile shape output 3-2 stretches out from an axially extending bore 4-1 on the internal stator fixed head 4;
Elastic supporting member for supporting optical member 7 is a disc, and the interior ring surface of the stiff end of said elastic supporting member for supporting optical member 7 and shell 8 is fixedly connected, and two elastic supporting member for supporting optical member 7 are symmetrical distribution in the both sides of 1 two axial ends of external stator;
Said mover output shaft 6 and mover 3 coaxial settings.
Mover 3 can be made thin cylinder shape in this execution mode, thereby can alleviate mover 3 quality greatly, improves the motor internal space availability ratio.
The circumferential width of the tile shape output 3-2 of said mover 3 is less than the circumferential width of the axially extending bore 4-1 of internal stator fixed head 4; So that tile shape output 3-2 can stretch out from the axially extending bore 4-1 of internal stator fixed head 4, the axial length of its mover 3 is greater than axial distance between the outer face of two internal stator fixed heads 4.Axis fixing plate 5 is between internal stator fixed head 4 and elastic supporting member for supporting optical member 7.
The external diameter of the diameter of said axis fixing plate 5 and mover 3 can be identical or different.
Embodiment two: below in conjunction with Fig. 4 this execution mode is described, this execution mode is for to the further specifying of execution mode one, and said elastic supporting member for supporting optical member 7 is made up of strutting piece and elastic component, and said strutting piece and elastic component are integral type.Other composition and annexation are identical with execution mode one.
Elastic supporting member for supporting optical member 7 described in this execution mode can adopt mover shown in Figure 4 to support and elastic restoring force produces leaf spring.
Embodiment three: this execution mode is for to the further specifying of execution mode one, and said elastic supporting member for supporting optical member 7 is made up of strutting piece and elastic component, and said strutting piece and elastic component are split type.Other composition and annexation are identical with execution mode one.
Embodiment four: below in conjunction with Fig. 1 this execution mode is described, this execution mode is for to the further specifying of execution mode one or two or three, and said internal stator 2 is a hollow structure.Other composition and annexation are identical with execution mode one or two or three.
Said internal stator 2 is a hollow structure, and the mode that adopts axial end portion to be fixedly connected with internal stator fixed head 4, and the hollow space of said stator 2 can be used for installing the displacement and the velocity transducer of mover.
Embodiment five: this execution mode is for to the further specifying of execution mode one or two or three, and said external stator 1 and internal stator 2 are elementary as said motor, and mover 3 is secondary as said motor.Other composition and annexation are identical with execution mode one or two or three.
Embodiment six: this execution mode is for to the further specifying of execution mode one or two or three, and said external stator 1 and internal stator 2 are secondary as said motor, and mover 3 is elementary as said motor.Other composition and annexation are identical with execution mode one or two or three.
Embodiment seven: this execution mode is for to the further specifying of execution mode one or two or three, and the material of said axis fixing plate 5 and mover output shaft 6 is the high-strength light material.Other composition and annexation are identical with execution mode one or two or three.
Embodiment eight: this execution mode is for to the further specifying of execution mode one or two or three, and said motor is linear permanent magnet synchronous motor, horizontal magnetic pass permanent magnetic line electromotor, or linear reluctance motor.Other composition and annexation are identical with execution mode one or two or three.
The present invention is not limited to above-mentioned execution mode, can also be the reasonable combination of technical characterictic described in above-mentioned each execution mode.
Claims (6)
1. one kind high dynamic short stroke linear vibration motor; It is characterized in that: it comprises external stator (1), internal stator (2), mover (3), two internal stator fixed heads (4), two axis fixing plates (5), two mover output shafts (6), two elastic supporting member for supporting optical member (7) and shell (8)
Said external stator (1), mover (3) and shell (8) are cylindrical shape,
The middle position of the interior ring surface of shell (8) and the outer ring surface of external stator (1) fix,
The coaxial successively from outside to inside setting of external stator (1), mover (3) and internal stator (2),
Form outer air gap between the outer ring surface of the interior ring surface of external stator (1) and mover (3), the outer ring surface of the interior ring surface of mover (3) and internal stator (2) forms interior air gap;
Internal stator fixed head (4) is a disc, and the outer round surface of two internal stator fixed heads (4) fixes with the interior ring surface of shell (8) respectively, and two internal stator fixed heads (4) are symmetrical distribution in the both sides of axial two end faces of external stator (1),
The axial two ends of internal stator (2) are fixedly connected with the center of two internal stator fixed heads (4) respectively;
Have N axially extending bore (4-1) on the internal stator fixed head (4), the center that the center of circle of a said N axially extending bore (4-1) is evenly distributed on this internal stator fixed head (4) is on the same circumference in the center of circle,
Two axial ends of mover (3) radially have N rectangular groove (3-1); Two axial ends at mover (3) form N tile shape output (3-2) respectively; Two limits of said rectangular groove (3-1) all with the axially parallel of this mover (3), said N is the integer more than or equal to 2;
Each tile shape output (3-2) stretches out from the axially extending bore (4-1) on the internal stator fixed head (4);
Elastic supporting member for supporting optical member (7) is a disc, and the interior ring surface of the stiff end of said elastic supporting member for supporting optical member (7) and shell (8) is fixedly connected, and two elastic supporting member for supporting optical member (7) are symmetrical distribution in the both sides of (1) two axial end of external stator;
Axis fixing plate (5) is a disc; Two axis fixing plates (5) lay respectively at the axial two ends of mover (3); And the dead in line of central axis of each axis fixing plate (5) and said mover (3); Each axis fixing plate (5) is fixedly connected with the end face of the tile shape output (3-2) of mover (3); Two mover output shafts (6) lay respectively at the axial two ends of mover (3), and an end of mover output shaft (6) is fixed on the center of axis fixing plate (5), and the other end of this mover output shaft (6) is fixedly connected with the movable end of elastic supporting member for supporting optical member (7);
Said mover output shaft (6) and the coaxial setting of mover (3);
Said elastic supporting member for supporting optical member (7) is made up of strutting piece and elastic component, and said strutting piece and elastic component are integral type; Perhaps said elastic supporting member for supporting optical member (7) is made up of strutting piece and elastic component, and said strutting piece and elastic component are split type.
2. the dynamic short stroke linear vibration motor of height according to claim 1 is characterized in that: said internal stator (2) is a hollow structure.
3. the dynamic short stroke linear vibration motor of height according to claim 1 is characterized in that: said external stator (1) and internal stator (2) are elementary as said motor, and mover (3) is secondary as said motor.
4. the dynamic short stroke linear vibration motor of height according to claim 1 is characterized in that: said external stator (1) and internal stator (2) are secondary as said motor, and mover (3) is elementary as said motor.
5. the dynamic short stroke linear vibration motor of height according to claim 1 is characterized in that: the material of said axis fixing plate (5) and mover output shaft (6) is the high-strength light material.
6. the dynamic short stroke linear vibration motor of height according to claim 1 is characterized in that: said motor is linear permanent magnet synchronous motor, horizontal magnetic pass permanent magnetic line electromotor, or linear reluctance motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105227808A CN101982929B (en) | 2010-10-28 | 2010-10-28 | High dynamic and short stroke linear oscillating motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105227808A CN101982929B (en) | 2010-10-28 | 2010-10-28 | High dynamic and short stroke linear oscillating motor |
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| Publication Number | Publication Date |
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| CN101982929A CN101982929A (en) | 2011-03-02 |
| CN101982929B true CN101982929B (en) | 2012-07-11 |
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| CN2010105227808A Active CN101982929B (en) | 2010-10-28 | 2010-10-28 | High dynamic and short stroke linear oscillating motor |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578635B (en) * | 2015-01-09 | 2017-04-12 | 浙江大学 | Asymmetric double-stator cylindrical permanent magnet linear motor |
| CN105119458A (en) * | 2015-09-16 | 2015-12-02 | 北京航空航天大学 | Linear oscillation motor supported by flexible spring bearing |
| CN105782340B (en) * | 2016-05-06 | 2017-11-21 | 哈尔滨工程大学 | A kind of two-freedom torsional vibration damper |
| CN106849592B (en) * | 2017-04-07 | 2019-03-05 | 华中科技大学 | A kind of inner stator permanent magnetism type dynamic iron core formula linear vibration motor |
| JP7226982B2 (en) * | 2018-12-07 | 2023-02-21 | フォルシアクラリオン・エレクトロニクス株式会社 | vibration generator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1856647A (en) * | 2003-09-22 | 2006-11-01 | Lg电子株式会社 | Apparatus for fixing stator of motor of reciprocal compressor, and method therefor |
| CN101384822A (en) * | 2006-01-16 | 2009-03-11 | Lg电子株式会社 | Oil pump used in a linear compressor |
| CN101858325A (en) * | 2010-05-21 | 2010-10-13 | 浙江大学 | Direct-driving compressor of movable magnet type |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0425118D0 (en) * | 2004-11-13 | 2004-12-15 | Luk P C K | Wheel switched reluctance motor |
-
2010
- 2010-10-28 CN CN2010105227808A patent/CN101982929B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1856647A (en) * | 2003-09-22 | 2006-11-01 | Lg电子株式会社 | Apparatus for fixing stator of motor of reciprocal compressor, and method therefor |
| CN101384822A (en) * | 2006-01-16 | 2009-03-11 | Lg电子株式会社 | Oil pump used in a linear compressor |
| CN101858325A (en) * | 2010-05-21 | 2010-10-13 | 浙江大学 | Direct-driving compressor of movable magnet type |
Non-Patent Citations (3)
| Title |
|---|
| 吴军超等.新型直线电机驱动的活塞式压缩机研究.《流体机械》.2007,第35卷(第11期),51-53. * |
| 石军亮等.双圆筒复合次级直线感应电机性能计算.《电机技术》.2007,(第3期),1-4. * |
| 闫振华等.双管型直线感应电机工作性能计算与仿真分析.《防爆电机》.2009,第44卷(第150期),18-22. * |
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