CN101976926B - High-efficiency short-stroke linear reciprocating oscillation motor - Google Patents
High-efficiency short-stroke linear reciprocating oscillation motor Download PDFInfo
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- CN101976926B CN101976926B CN2010105227189A CN201010522718A CN101976926B CN 101976926 B CN101976926 B CN 101976926B CN 2010105227189 A CN2010105227189 A CN 2010105227189A CN 201010522718 A CN201010522718 A CN 201010522718A CN 101976926 B CN101976926 B CN 101976926B
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Abstract
The invention relates to a high-efficiency short-stroke linear reciprocating oscillation motor, belonging to the technical field of motors. The invention solves the problem that the traditional short-stroke linear reciprocating oscillation motor using a support leaf spring as a motor rotor support and elasticity restoring force generator has low system efficiency. The high-efficiency short-stroke linear reciprocating oscillation motor comprises a motor shell, two end covers, a motor stator, a motor rotor, two magnetic power accumulators and two linear magnetic bearings. Two power accumulator stators are respectively located on the axial inner side surface at the through-hole end in the centre of two end covers; two power accumulator rotors are respectively fixed on two axial end surfaces of the motor rotor; both the power accumulator stator and the power accumulator rotor are annular rare earth permanent magnets or axial symmetry type rare earth permanent magnets; both the bearing stator and the bearing rotor are cylindrical rare earth permanent magnets; two bearing stators are respectively sleeved and fixed on the inner surfaces of the central through holes of two end covers; two bearing rotors are respectively sleeved at both ends of an output shaft of the motor rotor; and the bearing stator is arranged opposite to the bearing rotor. The invention is suitable for a linear reciprocating oscillation motor.
Description
Technical field
The present invention relates to a kind of high efficiency short stroke linear reciprocation 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 3.It mainly is made up of motor stator, electric mover and support leaf spring, and the concrete structure that supports leaf spring is as shown in Figure 4, and it is fixed on the axial both sides of motor stator; And be connected with the output shaft of mover, on the one hand, support leaf spring electric mover is remained in the motor stator inner chamber; Prevent that electric mover from radially contacting with the motor stator inner chamber; On the other hand, support leaf spring and also can produce axial restoring force, make by electric mover with support spring-quality system that leaf spring constitutes externally the effect of exciting force produce resonance down; Reciprocating vertically through electric mover, realize the electromechanical energy effective conversion.
But there is following problem in this motor: all utilize the support leaf spring because electric mover supports and produce the reverse elasticity restoring force; Or utilize linear bearing+helical spring, since the influence of frictional force or material damping power, the loss that can increase system on the one hand; Reduce system effectiveness; On the other hand, because of fatigue damage also can make the working life of system limited, improved the maintenance cost of system.
Summary of the invention
The objective of the invention is to adopt and support leaf spring and support and the elastic return force generating apparatus as electric mover in order to solve existing short stroke linear reciprocation vibration motor, system effectiveness low problem, a kind of high efficiency short stroke linear reciprocation vibration motor is provided.
First kind of said high efficiency short stroke of technical scheme of the present invention linear reciprocation vibration motor; It comprises drum type brake electric machine casing, two end caps, motor stator and electric movers; The two ends of drum type brake electric machine casing are fixedly connected with an end cap respectively, and the center of end cap is provided with central through hole, and the outer wall surface of motor stator is fixed on the inner wall surface of drum type brake electric machine casing between two parties; Electric mover is arranged in the inner chamber of motor stator; And with motor stator and the coaxial setting of drum type brake electric machine casing, the mover output shaft two ends of electric mover pass from the central through hole of two end caps respectively
It also comprises two magnetic storage energy devices and two straight line magnetic bearings,
The magnetic storage energy device is made up of accumulator stator and accumulator mover,
Accumulator stator and accumulator mover are the annular rare-earth permanent magnet, and two accumulator movers are separately fixed on two axial ends of electric mover, and accumulator stator and accumulator mover are oppositely arranged, and are separately fixed on the madial wall of two end caps;
Accumulator stator and accumulator mover are axial charging, and its magnetizing direction is opposite;
Perhaps accumulator stator and accumulator mover are radial magnetizing, and its magnetizing direction is identical;
The straight line magnetic bearing is made up of bearing stator and bearing mover,
Bearing stator and bearing mover are the cylindrical shape rare-earth permanent magnet,
Two bearing stators are set with on the central through hole madial wall that is fixed on two end caps, and two bearing movers are set in the two ends of electric mover output shaft, and bearing stator and bearing mover are oppositely arranged;
Bearing stator and bearing mover are axial charging, and its magnetizing direction is identical,
Perhaps bearing stator and bearing mover are radial magnetizing, and its magnetizing direction is opposite.
Second kind of said high efficiency short stroke of technical scheme of the present invention linear reciprocation vibration motor; It comprises drum type brake electric machine casing, two end caps, motor stator and electric movers; The two ends of drum type brake electric machine casing are fixedly connected with an end cap respectively, and the center of end cap is provided with central through hole, and the outer wall surface of motor stator is fixed on the inner wall surface of drum type brake electric machine casing between two parties; Electric mover is arranged in the inner chamber of motor stator; And with motor stator and the coaxial setting of drum type brake electric machine casing, the mover output shaft two ends of electric mover pass from the central through hole of two end caps respectively
It also comprises two magnetic storage energy devices and two straight line magnetic bearings,
The magnetic storage energy device is made up of accumulator stator and accumulator mover,
Two accumulator movers are separately fixed on two axial ends of electric mover, and accumulator stator and accumulator mover are oppositely arranged, and are separately fixed on the madial wall of two end caps; Accumulator stator and accumulator mover are the axisymmetric rare-earth permanent magnet, and can form uniform magnetic field;
Accumulator stator and accumulator mover are axial charging, and its magnetizing direction is opposite;
The straight line magnetic bearing is made up of bearing stator and bearing mover,
Bearing stator and bearing mover are the cylindrical shape rare-earth permanent magnet,
Two bearing stators are set with on the central through hole madial wall that is fixed on two end caps, and two bearing movers are set in the two ends of electric mover output shaft, and bearing stator and bearing mover are oppositely arranged;
Bearing stator and bearing mover are axial charging, and its magnetizing direction is identical,
Perhaps bearing stator and bearing mover are radial magnetizing, and its magnetizing direction is opposite.
Advantage of the present invention is: the present invention is through adopting the elastic return force generating apparatus of magnetic storage energy device as motor; Adopt the supporting mechanism of straight line magnetic bearing as electric mover; Realized the noncontact campaign of motor stator and electric mover; Improve system effectiveness and life-span, reduced the maintenance cost of system.
High efficiency short stroke linear reciprocation vibration motor of the present invention is simple in structure, and no mechanical loss in the motion process, efficient are high, temperature rise is low, can realize non-maintaining.In linear compressor and stirling generator system, have broad application prospects.
Description of drawings
Fig. 1 is the structural representation of high efficiency short stroke linear reciprocation vibration motor according to the invention;
Fig. 2 is the structural representation of embodiment of the present invention two or execution mode seven;
Fig. 3 is existing short stroke linear reciprocation vibration motor structural representation;
Fig. 4 is that the mover of motor shown in Figure 3 supports the structural representation that produces leaf spring with elastic restoring force.
Embodiment
Embodiment one: this execution mode is described below in conjunction with Fig. 1 and Fig. 2; The described high efficiency short stroke of this execution mode linear reciprocation vibration motor; It comprises drum type brake electric machine casing 1, two end caps 2, motor stator 3 and electric movers 4; The two ends of drum type brake electric machine casing 1 are fixedly connected with an end cap 2 respectively, and the center of end cap 2 is provided with central through hole, and the outer wall surface of motor stator 3 is fixed on the inner wall surface of drum type brake electric machine casing 1 between two parties; Electric mover 4 is arranged in the inner chamber of motor stator 3; And with motor stator 3 and the 1 coaxial setting of drum type brake electric machine casing, the mover output shaft 4-1 two ends of electric mover 4 pass from the central through hole of two end caps 2 respectively
It also comprises two magnetic storage energy devices and two straight line magnetic bearings,
The magnetic storage energy device is made up of accumulator stator 5-1 and accumulator mover 5-2,
Accumulator stator 5-1 and accumulator mover 5-2 are the annular rare-earth permanent magnet; Two accumulator mover 5-2 are separately fixed on two axial ends of electric mover 4; Accumulator stator 5-1 and accumulator mover 5-2 are oppositely arranged, and are separately fixed on the madial wall of two end caps 2;
Accumulator stator 5-1 and accumulator mover 5-2 are axial charging, and its magnetizing direction is opposite;
Perhaps accumulator stator 5-1 and accumulator mover 5-2 are radial magnetizing, and its magnetizing direction is identical;
The straight line magnetic bearing is made up of bearing stator 6-1 and bearing mover 6-2,
Bearing stator 6-1 and bearing mover 6-2 are the cylindrical shape rare-earth permanent magnet,
Two bearing stator 6-1 are set with on the central through hole madial wall that is fixed on two end caps 2, and two bearing mover 6-2 are set in the two ends of electric mover 4 output shafts, and bearing stator 6-1 and bearing mover 6-2 are oppositely arranged;
Bearing stator 6-1 and bearing mover 6-2 are axial charging, and its magnetizing direction is identical,
Perhaps bearing stator 6-1 and bearing mover 6-2 are radial magnetizing, and its magnetizing direction is opposite.
Embodiment two: this execution mode is described below in conjunction with Fig. 2; This execution mode is further specifying execution mode one; Said accumulator stator 5-1 and bearing stator 6-1 are integral structure, and accumulator mover 5-2 and bearing mover 6-2 are integral structure.Other composition and annexation are identical with execution mode one.
Embodiment three: this execution mode is further specifying execution mode one or two; The bearing stator 6-1 of said straight line magnetic bearing and bearing mover 6-2 adopt radial magnetizing, and bearing stator 6-1 all is to be assemblied to form by the circumferential polylith permanent magnet in edge with bearing mover 6-2.Other composition and annexation are identical with execution mode one or two.
In this execution mode, bearing stator 6-1 and bearing mover 6-2 are the segmentation radial magnetizing.
Embodiment four: this execution mode is for to the further specifying of execution mode one or two, and said motor stator 3 is elementary, and electric mover 4 is secondary; Perhaps motor stator 3 is secondary, and electric mover 4 is elementary.Other composition and annexation are identical with execution mode one or two.
Embodiment five: this execution mode is that with execution mode one or two difference the outer surface of said accumulator stator 5-1, accumulator mover 5-2, bearing stator 6-1 and bearing mover 6-2 all has high-intensity overcoat.Other composition and annexation are identical with execution mode one or two.
Embodiment six: this execution mode is described below in conjunction with Fig. 1 and Fig. 2; The described high efficiency short stroke of this execution mode linear reciprocation vibration motor; It comprises drum type brake electric machine casing 1, two end caps 2, motor stator 3 and electric movers 4; The two ends of drum type brake electric machine casing 1 are fixedly connected with an end cap 2 respectively, and the center of end cap 2 is provided with central through hole, and the outer wall surface of motor stator 3 is fixed on the inner wall surface of drum type brake electric machine casing 1 between two parties; Electric mover 4 is arranged in the inner chamber of motor stator 3; And with motor stator 3 and the 1 coaxial setting of drum type brake electric machine casing, the mover output shaft 4-1 two ends of electric mover 4 pass from the central through hole of two end caps 2 respectively
It also comprises two magnetic storage energy devices and two straight line magnetic bearings,
The magnetic storage energy device is made up of accumulator stator 5-1 and accumulator mover 5-2,
Two accumulator mover 5-2 are separately fixed on two axial ends of electric mover 4, and accumulator stator 5-1 and accumulator mover 5-2 are oppositely arranged, and are separately fixed on the madial wall of two end caps 2; Accumulator stator 5-1 and accumulator mover 5-2 are the axisymmetric rare-earth permanent magnet, and can form uniform magnetic field;
Accumulator stator 5-1 and accumulator mover 5-2 are axial charging, and its magnetizing direction is opposite;
The straight line magnetic bearing is made up of bearing stator 6-1 and bearing mover 6-2,
Bearing stator 6-1 and bearing mover 6-2 are the cylindrical shape rare-earth permanent magnet,
Two bearing stator 6-1 are set with on the central through hole madial wall that is fixed on two end caps 2, and two bearing mover 6-2 are set in the two ends of electric mover 4 output shafts, and bearing stator 6-1 and bearing mover 6-2 are oppositely arranged;
Bearing stator 6-1 and bearing mover 6-2 are axial charging, and its magnetizing direction is identical,
Perhaps bearing stator 6-1 and bearing mover 6-2 are radial magnetizing, and its magnetizing direction is opposite.
Accumulator stator 5-1 and accumulator mover 5-2 can be integral type or be split type in this execution mode.
Embodiment seven: this execution mode is described below in conjunction with Fig. 2; This execution mode is further specifying execution mode six; Said accumulator stator 5-1 and bearing stator 6-1 are integral structure, and accumulator mover 5-2 and bearing mover 6-2 are integral structure.Other composition and annexation and execution mode six phase are together.
Embodiment eight: this execution mode is further specifying execution mode six or seven; The bearing stator 6-1 of said straight line magnetic bearing and bearing mover 6-2 adopt radial magnetizing, and bearing stator 6-1 all is to be assemblied to form by the circumferential polylith permanent magnet in edge with bearing mover 6-2.Other composition and annexation are identical with execution mode six or seven.
In this execution mode, bearing stator 6-1 and bearing mover 6-2 are the segmentation radial magnetizing.
Embodiment nine: this execution mode is for to the further specifying of execution mode six or seven, and said motor stator 3 is elementary, and electric mover 4 is secondary; Perhaps motor stator 3 is secondary, and electric mover 4 is elementary.Other composition and annexation are identical with execution mode six or seven.
Embodiment ten: this execution mode is that with execution mode six or seven difference the outer surface of said accumulator stator 5-1, accumulator mover 5-2, bearing stator 6-1 and bearing mover 6-2 all has high-intensity overcoat.Other composition and annexation are identical with execution mode six or seven.
Claims (10)
1. high efficiency short stroke linear reciprocation vibration motor; It comprises drum type brake electric machine casing (1), two end caps (2), motor stator (3) and electric mover (4); The two ends of drum type brake electric machine casing (1) are fixedly connected with an end cap (2) respectively, and the center of end cap (2) is provided with central through hole, and the outer wall surface of motor stator (3) is fixed on the inner wall surface of drum type brake electric machine casing (1) between two parties; Electric mover (4) is arranged in the inner chamber of motor stator (3); And with motor stator (3) and the coaxial setting of drum type brake electric machine casing (1), mover output shaft (4-1) two ends of electric mover (4) pass from the central through hole of two end caps (2) respectively
It is characterized in that: it also comprises two magnetic storage energy devices and two straight line magnetic bearings,
The magnetic storage energy device is made up of accumulator stator (5-1) and accumulator mover (5-2),
Accumulator stator (5-1) and accumulator mover (5-2) are the annular rare-earth permanent magnet; Two accumulator movers (5-2) are separately fixed on two axial ends of electric mover (4); Accumulator stator (5-1) is oppositely arranged with accumulator mover (5-2), and is separately fixed on the madial wall of two end caps (2);
Accumulator stator (5-1) and accumulator mover (5-2) are axial charging, and its magnetizing direction is opposite;
Perhaps accumulator stator (5-1) and accumulator mover (5-2) are radial magnetizing, and its magnetizing direction is identical;
The straight line magnetic bearing is made up of bearing stator (6-1) and bearing mover (6-2),
Bearing stator (6-1) and bearing mover (6-2) are the cylindrical shape rare-earth permanent magnet,
Two bearing stators (6-1) are set with on the central through hole madial wall that is fixed on two end caps (2), and two bearing movers (6-2) are set in the two ends of electric mover (4) output shaft, and bearing stator (6-1) is oppositely arranged with bearing mover (6-2);
Bearing stator (6-1) and bearing mover (6-2) are axial charging, and its magnetizing direction is identical,
Perhaps bearing stator (6-1) and bearing mover (6-2) are radial magnetizing, and its magnetizing direction is opposite.
2. high efficiency short stroke linear reciprocation vibration motor according to claim 1 is characterized in that: said accumulator stator (5-1) and bearing stator (6-1) are integral structure, and accumulator mover (5-2) and bearing mover (6-2) are integral structure.
3. high efficiency short stroke linear reciprocation vibration motor according to claim 1 and 2; It is characterized in that: the bearing stator of said straight line magnetic bearing (6-1) and bearing mover (6-2) adopt radial magnetizing, and bearing stator (6-1) all is to be assemblied to form by the circumferential polylith permanent magnet in edge with bearing mover (6-2).
4. high efficiency short stroke linear reciprocation vibration motor according to claim 1 and 2 is characterized in that: said motor stator (3) is for elementary, and electric mover (4) is secondary; Perhaps motor stator (3) is secondary, and electric mover (4) is elementary.
5. high efficiency short stroke linear reciprocation vibration motor according to claim 1 and 2 is characterized in that: the outer surface of said accumulator stator (5-1), accumulator mover (5-2), bearing stator (6-1) and bearing mover (6-2) all has high-intensity overcoat.
6. high efficiency short stroke linear reciprocation vibration motor; It comprises drum type brake electric machine casing (1), two end caps (2), motor stator (3) and electric mover (4); The two ends of drum type brake electric machine casing (1) are fixedly connected with an end cap (2) respectively, and the center of end cap (2) is provided with central through hole, and the outer wall surface of motor stator (3) is fixed on the inner wall surface of drum type brake electric machine casing (1) between two parties; Electric mover (4) is arranged in the inner chamber of motor stator (3); And with motor stator (3) and the coaxial setting of drum type brake electric machine casing (1), mover output shaft (4-1) two ends of electric mover (4) pass from the central through hole of two end caps (2) respectively
It is characterized in that: it also comprises two magnetic storage energy devices and two straight line magnetic bearings,
The magnetic storage energy device is made up of accumulator stator (5-1) and accumulator mover (5-2),
Two accumulator movers (5-2) are separately fixed on two axial ends of electric mover (4), and accumulator stator (5-1) is oppositely arranged with accumulator mover (5-2), and is separately fixed on the madial wall of two end caps (2); Accumulator stator (5-1) and accumulator mover (5-2) are the axisymmetric rare-earth permanent magnet, and can form uniform magnetic field;
Accumulator stator (5-1) and accumulator mover (5-2) are axial charging, and its magnetizing direction is opposite;
The straight line magnetic bearing is made up of bearing stator (6-1) and bearing mover (6-2),
Bearing stator (6-1) and bearing mover (6-2) are the cylindrical shape rare-earth permanent magnet,
Two bearing stators (6-1) are set with on the central through hole madial wall that is fixed on two end caps (2), and two bearing movers (6-2) are set in the two ends of electric mover (4) output shaft, and bearing stator (6-1) is oppositely arranged with bearing mover (6-2);
Bearing stator (6-1) and bearing mover (6-2) are axial charging, and its magnetizing direction is identical,
Perhaps bearing stator (6-1) and bearing mover (6-2) are radial magnetizing, and its magnetizing direction is opposite.
7. high efficiency short stroke linear reciprocation vibration motor according to claim 6 is characterized in that: said accumulator stator (5-1) and bearing stator (6-1) are integral structure, and accumulator mover (5-2) and bearing mover (6-2) are integral structure.
8. according to claim 6 or 7 described high efficiency short stroke linear reciprocation vibration motors; It is characterized in that: the bearing stator of said straight line magnetic bearing (6-1) and bearing mover (6-2) adopt radial magnetizing, and bearing stator (6-1) all is to be assemblied to form by the circumferential polylith permanent magnet in edge with bearing mover (6-2).
9. according to claim 6 or 7 described high efficiency short stroke linear reciprocation vibration motors, it is characterized in that: said motor stator (3) is for elementary, and electric mover (4) is secondary; Perhaps motor stator (3) is secondary, and electric mover (4) is elementary.
10. according to claim 6 or 7 described high efficiency short stroke linear reciprocation vibration motors, it is characterized in that: the outer surface of said accumulator stator (5-1), accumulator mover (5-2), bearing stator (6-1) and bearing mover (6-2) all has high-intensity overcoat.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105227189A CN101976926B (en) | 2010-10-28 | 2010-10-28 | High-efficiency short-stroke linear reciprocating oscillation motor |
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| CN2010105227189A CN101976926B (en) | 2010-10-28 | 2010-10-28 | High-efficiency short-stroke linear reciprocating oscillation motor |
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| CN101976926A CN101976926A (en) | 2011-02-16 |
| CN101976926B true CN101976926B (en) | 2012-05-30 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103474301B (en) * | 2013-09-27 | 2015-10-21 | 合肥凯高电气设备有限公司 | A kind of long-stroke permanent magnet circuit breaker structure |
| CN104052230A (en) * | 2014-06-04 | 2014-09-17 | 叶洪源 | Minitype rotary oscillation motor based on resonance |
| CN106953490A (en) * | 2017-05-24 | 2017-07-14 | 信利光电股份有限公司 | A kind of linear vibration motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0098002A2 (en) * | 1982-06-30 | 1984-01-11 | Koninklijke Philips Electronics N.V. | Magnetically suspended linear motor |
| CN1595774A (en) * | 2004-07-10 | 2005-03-16 | 华中科技大学 | Short journey high responding linear motor |
| CN101557154A (en) * | 2009-05-20 | 2009-10-14 | 哈尔滨工业大学 | Two-DOF (degree of freedom) switched reluctance motor |
| CN101557157A (en) * | 2009-05-19 | 2009-10-14 | 哈尔滨工业大学 | Cylindrical direct current linear motor with short magnetic circuit structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101292414B (en) * | 2005-10-21 | 2011-01-19 | 株式会社安川电机 | Circular cylindrical linear motor |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0098002A2 (en) * | 1982-06-30 | 1984-01-11 | Koninklijke Philips Electronics N.V. | Magnetically suspended linear motor |
| CN1595774A (en) * | 2004-07-10 | 2005-03-16 | 华中科技大学 | Short journey high responding linear motor |
| CN101557157A (en) * | 2009-05-19 | 2009-10-14 | 哈尔滨工业大学 | Cylindrical direct current linear motor with short magnetic circuit structure |
| CN101557154A (en) * | 2009-05-20 | 2009-10-14 | 哈尔滨工业大学 | Two-DOF (degree of freedom) switched reluctance motor |
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