WO2021174560A1 - Moteur linéaire - Google Patents

Moteur linéaire Download PDF

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Publication number
WO2021174560A1
WO2021174560A1 PCT/CN2020/078381 CN2020078381W WO2021174560A1 WO 2021174560 A1 WO2021174560 A1 WO 2021174560A1 CN 2020078381 W CN2020078381 W CN 2020078381W WO 2021174560 A1 WO2021174560 A1 WO 2021174560A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic steel
vibration direction
elastic support
linear motor
vibration
Prior art date
Application number
PCT/CN2020/078381
Other languages
English (en)
Chinese (zh)
Inventor
李子昂
王尧
崔志勇
Original Assignee
瑞声声学科技(深圳)有限公司
瑞声科技(新加坡)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 瑞声声学科技(深圳)有限公司, 瑞声科技(新加坡)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Publication of WO2021174560A1 publication Critical patent/WO2021174560A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/12—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moving in alternate directions by alternate energisation of two coil systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/34—Reciprocating, oscillating or vibrating parts of the magnetic circuit
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
    • H02K2201/18—Machines moving with multiple degrees of freedom

Definitions

  • This application relates to the technical field of dual resonance, and in particular to a linear motor that can realize multi-directional vibration.
  • the existing horizontal linear motor realizes linear reciprocating movement through the cooperation of electromagnetic force and spring, but it can only realize unidirectional linear movement in the X or Y direction.
  • the traditional one-way linear motor may not be able to meet the needs of users.
  • the vertical screen in the browsing mode, the horizontal screen in the entertainment mode, the power on and off and the virtual buttons under the volume all desire different vibration feelings from the motor.
  • the existing products can achieve different vibration effects through motion algorithms, the vibration direction is single .
  • the purpose of the present application is to provide a linear motor whose magnetic circuit system formed by the magnetic steel component in the vibrator structure and the coil component in the stator structure can realize multi-directional vibration of the linear motor.
  • a linear motor comprising a housing with a housing space, a vibrator structure and a stator structure housed in the housing space, the vibrator structure having a first vibration direction and a second vibration direction, so The first vibration direction and the second vibration direction constitute a first plane
  • the vibrator structure includes a magnetic steel component
  • the magnetic steel component includes a first magnetic steel in a cylindrical structure and a second magnetic steel in a ring structure
  • the second magnetic steel is arranged around the first magnetic steel and forms a magnetic gap with the first magnetic steel, the central axis of the first magnetic steel and the second magnetic steel coincide, and the first magnetic steel
  • the steel and the second magnet are magnetized in a direction perpendicular to the first plane, and the magnetization directions of the first magnet and the second magnet are opposite;
  • the stator structure includes two coil assemblies symmetrically arranged on the upper and lower sides of the magnetic steel assembly along a direction perpendicular to the first plane, and the coil assembly includes a ring arranged around the central axis of the first magnetic steel. Four voice coils spaced apart.
  • the coil assembly includes a magnetic conductive sheet connected to the housing, arranged circumferentially around the central axis of the first magnetic steel and fixed on the surface of the magnetic conductive sheet close to the magnetic steel component
  • the four iron cores on the upper part, and the four voice coils are respectively enclosed on each of the iron cores.
  • the projections of the four iron cores on the housing in a direction perpendicular to the first plane all pass through the magnetic gap.
  • the four iron cores include two first iron cores arranged at relatively intervals along the first vibration direction, and two second iron cores arranged at relatively intervals along the second vibration direction, surrounded by The long side of the voice coil on the first iron core is perpendicular to the first vibration direction, and the long side of the voice coil surrounding the second iron core is perpendicular to the second vibration direction.
  • the first vibration direction and the second vibration direction are perpendicular to each other.
  • the vibrator structure further has a third vibration direction in the first plane, and the angle between the third vibration direction and the first vibration direction and the second vibration direction is 45. °.
  • the vibrator structure further has a fourth vibration direction in the first plane, and the fourth vibration direction and the third vibration direction are perpendicular to each other.
  • the first magnet is formed by stacking and connecting two magnets with the same cylindrical structure
  • the second magnet is formed by stacking and connecting two magnets with the same ring structure.
  • the first magnet and the second magnet have opposite polarities.
  • the four iron cores are made of SPCD material, and the magnetic conductive sheet is made of SPCD material.
  • the vibrator structure further includes a mass assembly
  • the mass assembly includes a first mass with a first through hole, and a second mass housed in the magnetic gap and with a second through hole,
  • the second magnetic steel is fixedly arranged in the first through hole, and the first magnetic steel is fixedly arranged in the second through hole.
  • the linear motor further includes an elastic support assembly housed in the accommodating space, the elastic support assembly is arranged between the housing and the vibrator structure, and the housing includes an elastic support assembly along the first Two first housing side walls arranged at opposite intervals extending in the direction of vibration, the vibrator structure includes two first housing side walls arranged at opposite intervals extending in the second direction of vibration, and the elastic support assembly includes A first elastic support member and a second lower elastic support member are arranged from top to bottom perpendicular to the first plane direction.
  • the first elastic support arm includes a first connecting portion connected to the first vibrating side wall, and an end of the first connecting portion close to the second elastic support arm away from the first vibrating
  • the second elastic support arm includes a second connecting portion connected with the side wall of the first housing, and a second connecting portion away from both ends of the second connecting portion.
  • Two second vibration arms extending in the direction of the side wall of the first housing, the second vibration arms are respectively connected with the adjacent first vibration arms.
  • the linear motor further includes a limit block assembly accommodated in the accommodation space for limiting the displacement of the vibrator structure, and the limit block assembly includes first The limiting block and the second limiting block, the first limiting block and the second limiting block are respectively connected to the adjacent side wall of the first housing, and the first limiting block is provided in the Below the first elastic support member, the second limiting block is arranged above the second elastic support member.
  • the beneficial effect of the present application is: in the magnetic circuit system formed by the magnetic steel component and the coil component, the magnetic steel component obtains the driving force in different directions by controlling the current direction in the different voice coils, and drives the vibrator structure in different directions
  • the reciprocating vibration realizes the multi-directional vibration of the linear motor and brings a rich vibration experience.
  • FIG. 1 is a schematic diagram of the overall structure of a linear motor according to an embodiment of the application
  • FIG. 2 is a schematic diagram 1 of a part of a linear motor according to an embodiment of the application;
  • FIG. 3 is a schematic diagram of an exploded structure of a linear motor according to an embodiment of the application.
  • FIG. 4 is an exploded structure diagram of a vibrator structure and a stator structure in an embodiment of the application
  • Fig. 5 is a schematic cross-sectional structure view along the A-A direction in Fig. 1;
  • FIG. 6 is a second schematic diagram of a part of the structure of the linear motor according to the embodiment of the application.
  • FIG. 7 is a schematic diagram of the structure of a magnetic steel component in an embodiment of the application.
  • FIG. 8a is a schematic diagram of the working principle of the linear motor vibrating along the first vibration direction according to the embodiment of the application;
  • 8b is a schematic diagram of the working principle of the linear motor vibrating along the second vibration direction according to the embodiment of the application;
  • 9a is a schematic diagram of the working principle of the linear motor vibrating along the third vibration direction according to the embodiment of the application.
  • FIG. 9b is a schematic diagram of the working principle of the linear motor vibrating along the fourth vibration direction according to the embodiment of the application.
  • elastic support component 41, first elastic support; 42, second elastic support; 411, first Elastic support arm; 411a, first connecting part; 411b, first vibrating arm; 412, second elastic supporting arm; 412a, second connecting part; 412b, second vibrating arm; 5.
  • Limiting block assembly 51 , The first limit block; 52, the second limit block; 6. flexible circuit board FPC; X direction, the first vibration direction; Y direction, the second vibration direction; Z direction, perpendicular to the first plane direction; M direction , Third vibration direction; N direction, fourth vibration direction.
  • an embodiment of the present application provides a linear motor 100, including a housing 1, a vibrator structure 2 and a stator structure 3.
  • the housing 1 has a receiving space 10, and the vibrator structure 2 and the stator structure 3 are both Housed in the containment space 10.
  • the vibrator structure 2 can provide at least two directions including a first vibration direction (X-direction as shown in Figures 1-6) and a second vibration direction (Y-direction as shown in Figures 1-4 and 6). Vibration, the first vibration direction and the second vibration direction constitute a first plane (the XY plane as shown in Figures 1-4 and 6), and the housing 1 and the vibrator structure 2 are spaced apart from each other in the first plane.
  • the vibrator structure 2 includes a magnetic steel assembly 21 that includes a first magnetic steel 211 in a cylindrical structure and a second magnetic steel 212 in a ring structure.
  • the second magnetic steel 212 is arranged around the first magnetic steel 211 and is connected to the
  • the first magnetic steel 211 forms a magnetic gap 213 (as shown in FIG. 7 ), and the central axis n of the first magnetic steel 211 and the second magnetic steel 212 coincide (ie, are arranged concentrically).
  • the first magnet 211 and the second magnet 212 are magnetized along a direction perpendicular to the first plane (the Z direction as shown in FIGS.
  • the second magnet 212 is magnetized in the negative direction of the Z-axis (as shown in FIG. 8).
  • the stator structure 3 includes two coil assemblies 31 symmetrically arranged on the upper and lower sides of the magnetic steel assembly 21 along a direction perpendicular to the first plane.
  • the direction of current in each voice coil 313 can be independently controlled.
  • different directions can be formed.
  • the magnetic steel assembly 21 will obtain driving force in different directions to drive the vibrator structure 2 to reciprocate in different directions, thereby realizing the multi-directional vibration of the linear motor 100, bringing richness Vibration experience.
  • the housing 1 includes a cover plate 11 and a bottom plate 12 that are arranged in parallel to the first plane at a relatively spaced interval.
  • the coil assembly 31 also includes a magnetic conductive sheet 311 connected to the housing 1 (cover 11 or bottom plate 12), arranged circumferentially around the central axis n of the first magnetic steel 211 and fixed at the vicinity of the magnetic conductive sheet 311
  • the four iron cores 312 on the surface of the magnetic steel assembly 21 and the four voice coils 313 are respectively enclosed on each iron core 312.
  • the voice coil 313 When the voice coil 313 is energized, by controlling the direction of current in different voice coils 313, the corresponding iron core 312 produces different polarization directions, forming a stronger magnetic field in different directions, so that the magnetic steel assembly 21 can obtain a stronger The driving force in different directions enhances the vibration feeling.
  • the magnetic circuit system formed by the magnetic steel assembly 21 and the voice coil assembly 31 has a simple structure and is convenient for assembly.
  • the projections of the four iron cores 312 on the casing 1 (the bottom plate 12 or the cover plate 11) along the direction perpendicular to the first plane all pass through the magnetic gap 213.
  • the four iron cores 312 include two first iron cores 312a arranged at relatively intervals along the first vibration direction, and two first iron cores 312a arranged at relatively intervals along the second vibration direction.
  • the second iron core 312b, the long side of the first voice coil 313a enclosed on the first iron core 312a is perpendicular to the first vibration direction, and the long side of the second voice coil 313b enclosed on the second iron core 312b and The second vibration direction is vertical.
  • FIG. 8a shows the situation where the vibrator structure 2 moves in the positive direction of the X axis.
  • the current in the four first voice coils 313a is controlled Direction, so that the corresponding first iron core 312a induces different polarization directions.
  • the magnetic steel assembly 21 obtains the driving force along the first vibration direction, thereby driving the vibrator structure 2 in the first vibration direction. Vibrate back and forth in a vibration direction.
  • FIG. 8b shows the situation where the vibrator structure 2 moves in the positive direction of the Y axis.
  • the magnetic steel assembly 21 obtains the driving force along the second vibration direction, thereby driving the vibrator structure 2 in the second vibration direction. Reciprocating vibration in two vibration directions.
  • the vibrator structure 2 can also provide a third vibration direction in the first plane (the M direction as shown in FIGS. 6 and 9), and the third vibration direction is the same as the first vibration direction and the first vibration direction.
  • the angle between the two vibration directions is 45°.
  • Figure 9a shows the situation where the vibrator structure 2 moves in the positive direction of the M axis.
  • the direction makes the corresponding first iron core 312a and second iron core 312b induce different polarization directions.
  • the magnetic steel assembly 21 obtains the force F2 along the positive direction of the X axis and the force along the Y axis. Force F1 in the positive direction of the axis.
  • the resultant force F1 of F1 and F2 is the force in the positive direction of the M axis, and F1 drives the vibrator structure 2 to move in the positive direction of the M axis.
  • F1 drives the vibrator structure 2 to move in the positive direction of the M axis.
  • the magnetic steel assembly 21 obtains a force F4 along the negative direction of the X axis and a force F3 along the negative direction of the Y axis.
  • the resultant force F2 of F3 and F4 is the force in the negative direction of the M axis, and F2 drives the vibrator structure 2 to move in the negative direction of the M axis.
  • the magnetic steel assembly 21 obtains an axis along the X axis.
  • the force F2+ in the positive direction and the force F1+ in the positive direction of the Y-axis, or the force F4+ in the negative direction of the X-axis and the force F3+ in the negative direction of the Y-axis are obtained.
  • the resultant force F total 5 of F1+ and F2+ is the force in the positive direction of the M axis
  • the resultant force F total 6 of F3+ and F4+ is the force in the negative direction of the M axis.
  • the F total 5 drives the vibrator structure 2 to move in the positive direction of the M axis
  • the F total 6 drives the vibrator structure 2 to move in the negative direction of the M axis, thereby realizing the vibrator structure 2 to reciprocate in the third vibration direction.
  • the vibrator structure 2 can also provide a fourth vibration direction in the first plane (the N direction as shown in FIGS. 6 and 9), and the fourth vibration direction and the third vibration direction are perpendicular to each other. .
  • Figure 9b shows the situation where the vibrator structure 2 moves in the positive direction of N.
  • the magnetic steel assembly 21 obtains the force F5 along the negative direction of the X axis and the positive force along the Y axis.
  • Directional force F6 is the force in the positive direction of the N axis, and F total 3 drives the vibrator structure 2 to move in the positive direction of the N axis.
  • the magnetic steel assembly 21 obtains a force F8 along the positive direction of the X axis and a force F7 along the negative direction of the Y axis.
  • the resultant force F4 of F7 and F8 is the force in the negative direction of the N axis, and F3 drives the vibrator structure 2 to move in the negative direction of the N axis.
  • the magnetic steel assembly 21 obtains an axis along the X axis.
  • the force F5+ in the negative direction and the force F6+ in the positive direction of the Y-axis, or the force F8+ in the positive direction of the X-axis and the force F7+ in the negative direction of the Y-axis are obtained.
  • the resultant force F5+ and F6+ is the force in the positive direction of the N-axis
  • the resultant force F8+ and F7+ is the force in the negative direction of the N-axis.
  • the total F 7 drives the vibrator structure 2 to move in the positive direction of the N axis
  • the total F 8 drives the vibrator structure 2 to move in the negative direction of the N axis, thereby realizing the vibrator structure 2 to reciprocate in the fourth vibration direction.
  • the first magnetic steel 211 is formed by stacking and connecting two magnetic steels 211a and 211b with the same cylindrical structure
  • the second magnetic steel 212 is formed by two magnetic steels with the same ring structure.
  • the second magnets 212a and 212b are stacked and connected, and the magnets one (211a or 211b) and the second magnets (212a or 212b) on the same side have opposite polarities.
  • the magnetic steel one 211a located above is the N pole
  • the magnetic steel one 211b located below is the S pole
  • the magnetic steel two 212a located above is the S pole
  • the magnetic steel two 212b located below is the S pole. N pole.
  • the magnetizing directions of the first magnet 211 and the second magnet 212 in the Z direction are opposite.
  • the upper magnet one 211a can be set as the S pole
  • the lower magnet one 211b is set as the N pole
  • the upper magnet two 212a is set as the N pole
  • the lower magnet two 212b is set as the N pole. S pole.
  • the four iron cores 312 are all made of SPCD material, which can play a role of magnetism gathering.
  • the magnetic conductive sheet 311 is also made of SPCD material, which can play a role in concentrating magnetism and protecting the voice coil.
  • the iron core 312 and the magnetic conductive sheet 311 are connected by welding.
  • the vibrator structure 2 further includes a mass assembly 22.
  • the mass assembly 22 includes a first mass 221 having a first through hole 223, and is housed in a magnetic gap.
  • the magnetic steel component 21 is embedded in the mass component 22, it can be connected to the mass component 22 by gluing.
  • the linear motor 100 further includes an elastic support assembly 4 housed in the accommodating space 10, and the elastic support assembly 4 is disposed on the housing 1 and the vibrator structure 2. between.
  • the housing 1 further includes two first vibrating side walls 13 arranged at opposite intervals extending along the first vibrating direction.
  • the first vibrating side walls 13 connect the cover plate 11 and the bottom plate 12, and the vibrator structure 2 further includes a second vibration direction.
  • Two extended first vibrating sidewalls 23 arranged at opposite intervals (that is, two oppositely arranged sidewalls of the first mass 221 extending along the second vibration direction).
  • the elastic support assembly 4 includes a first elastic support 41 and a second lower elastic support 42 arranged from top to bottom in a direction perpendicular to the first plane.
  • the first elastic support 41 includes two relatively spaced apart along the first vibration direction.
  • a first elastic support arm 411, and a second elastic support arm 412 connecting the two first elastic support arms 411, the two first elastic support arms 411 are respectively connected to the adjacent first vibrating side wall 23, the second elastic
  • the support arm 412 is connected to the adjacent first housing side wall 13, and the second elastic support 42 has the same structure as the first elastic support 41.
  • first elastic support 41 and the second elastic support 42 are both integrally formed, which can provide the vibrator structure 2 with support rigidity required for vibration work in multiple directions.
  • the first elastic supporting arm 411 includes a first connecting portion 411a connected to the first vibrating side wall 23, and an end of the first connecting portion 411a close to the second elastic supporting arm 412 and away from the first vibrating side wall 23
  • the first vibrating force arm 411b extends in the direction of.
  • the second elastic support arm 412 includes a second connecting portion 412a connected to the first housing side wall 13 and two second connecting portions 412a extending away from the first housing side wall 13 from both ends of the second connecting portion 412a.
  • the vibrating arm 412b and the second vibrating arm 412b are respectively connected to the adjacent first vibrating arm 411b.
  • connection position of the first vibrating arm 411 b and the second vibrating arm 412 b is located at the corner of the housing 1, which fully utilizes the space of the linear motor 100 and facilitates the miniaturization of the linear motor 100.
  • the linear motor 100 further includes a flexible circuit board FPC6 provided on the bottom plate 12, and a limit block accommodated in the accommodation space 10 for limiting the displacement of the vibrator structure 2 Assembly 5,
  • the limit block assembly 5 includes a first limit block 51 and a second limit block 52 spaced apart along the second vibration direction, the two limit blocks 51 are respectively connected to the adjacent first housing side wall 13 Connected, wherein the first limiting block 51 is provided below the first elastic support 41 and the second limiting block 52 is provided above the second elastic support 42.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Abstract

La présente invention concerne un moteur linéaire. Le moteur linéaire comprend une structure de vibrateur et une structure de stator, la structure de vibrateur étant pourvue d'une première direction de vibration et d'une seconde direction de vibration qui forment un premier plan, la structure de vibrateur comprenant un ensemble d'acier magnétique, l'ensemble d'acier magnétique comprenant une pièce de premier acier magnétique cylindrique et une pièce de second acier magnétique annulaire qui sont disposées de manière concentrique, un entrefer magnétique étant disposé entre les deux pièces d'acier magnétique, les deux pièces d'acier magnétique étant magnétisées dans une direction perpendiculaire au premier plan, et les directions de magnétisation étant opposées ; et la structure de stator comprenant deux ensembles bobines disposés symétriquement sur le côté supérieur et le côté inférieur de l'ensemble d'acier magnétique dans la direction perpendiculaire au premier plan, et chaque ensemble bobine comprenant quatre bobines acoustiques qui sont disposées de manière annulaire autour de l'axe central du premier acier magnétique et sont espacées les unes des autres. Grâce à la commande des directions de courant dans différentes bobines acoustiques, l'ensemble d'acier magnétique obtient des forces d'entraînement dans différentes directions pour amener la structure de vibrateur à vibrer selon un mouvement de va-et-vient dans différentes directions, de telle sorte qu'une vibration multi-direction du moteur linéaire est réalisée, et l'expérience de vibration est enrichie.
PCT/CN2020/078381 2020-03-02 2020-03-09 Moteur linéaire WO2021174560A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010135556.7A CN111313647B (zh) 2020-03-02 2020-03-02 线性马达
CN202010135556.7 2020-03-02

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WO2021174560A1 true WO2021174560A1 (fr) 2021-09-10

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WO (1) WO2021174560A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117118183A (zh) * 2023-10-19 2023-11-24 瑞声光电科技(常州)有限公司 一种振动马达

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN213461488U (zh) * 2020-09-25 2021-06-15 瑞声科技(新加坡)有限公司 振动马达以及电子设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011013570A1 (fr) * 2009-07-27 2011-02-03 三洋電機株式会社 Moteur vibrant
CN205595982U (zh) * 2016-01-28 2016-09-21 歌尔声学股份有限公司 线性振动马达
CN107453576A (zh) * 2017-08-30 2017-12-08 瑞声光电科技(常州)有限公司 线性振动电机
CN207530690U (zh) * 2017-12-12 2018-06-22 歌尔科技有限公司 线性振动马达

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5075496B2 (ja) * 2007-06-15 2012-11-21 国立大学法人信州大学 リニア振動アクチュエータ
JP5641176B2 (ja) * 2009-06-19 2014-12-17 国立大学法人東北大学 電磁駆動アクチュエータ
CN106329870A (zh) * 2016-09-30 2017-01-11 歌尔股份有限公司 线性振动马达
CN207853614U (zh) * 2017-12-12 2018-09-11 歌尔科技有限公司 线性振动马达
CN108448858B (zh) * 2018-03-26 2020-06-09 浙江省东阳市东磁诚基电子有限公司 一种高灵敏高振感的微振动器
CN208589890U (zh) * 2018-08-03 2019-03-08 瑞声科技（南京）有限公司 线性振动电机
CN110266171B (zh) * 2019-05-24 2021-11-12 瑞声科技(新加坡)有限公司 振动电机

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011013570A1 (fr) * 2009-07-27 2011-02-03 三洋電機株式会社 Moteur vibrant
CN205595982U (zh) * 2016-01-28 2016-09-21 歌尔声学股份有限公司 线性振动马达
CN107453576A (zh) * 2017-08-30 2017-12-08 瑞声光电科技(常州)有限公司 线性振动电机
CN207530690U (zh) * 2017-12-12 2018-06-22 歌尔科技有限公司 线性振动马达

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
XI ZHONGLI, XIA MING, CHEN JUN: "Theoretical Study and Test Technology of the Moving Magnet Linear Motor", JOURNAL OF ASTRONAUTIC METROLOGY AND MEASUREMENT, vol. 37, no. 1, 28 February 2017 (2017-02-28), pages 42 - 47, XP055842250, ISSN: 1000-7202 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117118183A (zh) * 2023-10-19 2023-11-24 瑞声光电科技(常州)有限公司 一种振动马达
CN117118183B (zh) * 2023-10-19 2024-03-15 瑞声光电科技(常州)有限公司 一种振动马达

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