CN101976926A - High-efficiency short-stroke linear reciprocating oscillation motor - Google Patents
High-efficiency short-stroke linear reciprocating oscillation motor Download PDFInfo
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- CN101976926A CN101976926A CN 201010522718 CN201010522718A CN101976926A CN 101976926 A CN101976926 A CN 101976926A CN 201010522718 CN201010522718 CN 201010522718 CN 201010522718 A CN201010522718 A CN 201010522718A CN 101976926 A CN101976926 A CN 101976926A
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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 as shown in Figure 3.It is mainly by motor stator, electric mover and support leaf spring constitute, the concrete structure of support leaf spring as shown in Figure 4, it is fixed on the axial both sides of motor stator, and be connected with the output shaft of mover, on the one hand, supporting leaf spring remains on electric mover 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 by 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, because 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 described high efficiency short stroke of technical scheme of the present invention linear reciprocation vibration motor, it comprises the drum type brake electric machine casing, two end caps, motor stator and electric mover, fixedly connected with an end cap respectively in the two ends of drum type brake electric machine casing, the center of end cap is provided with central through hole, 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 described high efficiency short stroke of technical scheme of the present invention linear reciprocation vibration motor, it comprises the drum type brake electric machine casing, two end caps, motor stator and electric mover, fixedly connected with an end cap respectively in the two ends of drum type brake electric machine casing, the center of end cap is provided with central through hole, 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 by 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 height, temperature rise are 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 of the present 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: present embodiment is described below in conjunction with Fig. 1 and Fig. 2, the described high efficiency short stroke of present embodiment linear reciprocation vibration motor, it comprises drum type brake electric machine casing 1, two end caps 2, motor stator 3 and electric mover 4, fixedly connected with an end cap 2 respectively in the two ends of drum type brake electric machine casing 1, the center of end cap 2 is provided with central through hole, 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: present embodiment is described below in conjunction with Fig. 2, present embodiment is further specifying execution mode one, described 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: present embodiment is further specifying execution mode one or two, the bearing stator 6-1 of described straight line magnetic bearing and bearing mover 6-2 adopt radial magnetizing, and bearing stator 6-1 and bearing mover 6-2 all are by being assemblied to form along circumferential polylith permanent magnet.Other composition and annexation are identical with execution mode one or two.
In the present embodiment, bearing stator 6-1 and bearing mover 6-2 are the segmentation radial magnetizing.
Embodiment four: present embodiment is for to the further specifying of execution mode one or two, and described 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: present embodiment and execution mode one or twos' difference is that the outer surface of described 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: present embodiment is described below in conjunction with Fig. 1 and Fig. 2, the described high efficiency short stroke of present embodiment linear reciprocation vibration motor, it comprises drum type brake electric machine casing 1, two end caps 2, motor stator 3 and electric mover 4, fixedly connected with an end cap 2 respectively in the two ends of drum type brake electric machine casing 1, the center of end cap 2 is provided with central through hole, 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 the present embodiment.
Embodiment seven: present embodiment is described below in conjunction with Fig. 2, present embodiment is further specifying execution mode six, described 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 six.
Embodiment eight: present embodiment is further specifying execution mode six or seven, the bearing stator 6-1 of described straight line magnetic bearing and bearing mover 6-2 adopt radial magnetizing, and bearing stator 6-1 and bearing mover 6-2 all are by being assemblied to form along circumferential polylith permanent magnet.Other composition and annexation are identical with execution mode six or seven.
In the present embodiment, bearing stator 6-1 and bearing mover 6-2 are the segmentation radial magnetizing.
Embodiment nine: present embodiment is for to the further specifying of execution mode six or seven, and described 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: present embodiment and execution mode six or sevens' difference is that the outer surface of described 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), fixedly connected with an end cap (2) respectively in the two ends of drum type brake electric machine casing (1), the center of end cap (2) is provided with central through hole, 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: described 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 described straight line magnetic bearing (6-1) and bearing mover (6-2) adopt radial magnetizing, and bearing stator (6-1) and bearing mover (6-2) all are by being assemblied to form along circumferential polylith permanent magnet.
4. high efficiency short stroke linear reciprocation vibration motor according to claim 1 and 2 is characterized in that: described 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 described 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), fixedly connected with an end cap (2) respectively in the two ends of drum type brake electric machine casing (1), the center of end cap (2) is provided with central through hole, 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: described 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 described straight line magnetic bearing (6-1) and bearing mover (6-2) adopt radial magnetizing, and bearing stator (6-1) and bearing mover (6-2) all are by being assemblied to form along circumferential polylith permanent magnet.
9. according to claim 6 or 7 described high efficiency short stroke linear reciprocation vibration motors, it is characterized in that: described 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 described 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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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103474301A (en) * | 2013-09-27 | 2013-12-25 | 合肥凯高电气设备有限公司 | 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 |
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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 |
WO2007046161A1 (en) * | 2005-10-21 | 2007-04-26 | Kabushiki Kaisha Yaskawa Denki | Hollow circular cylindrical 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 |
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2010
- 2010-10-28 CN CN2010105227189A patent/CN101976926B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
WO2007046161A1 (en) * | 2005-10-21 | 2007-04-26 | Kabushiki Kaisha Yaskawa Denki | Hollow circular cylindrical 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 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103474301A (en) * | 2013-09-27 | 2013-12-25 | 合肥凯高电气设备有限公司 | Long-stroke permanent magnet circuit breaker structure |
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 |
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