WO2016153261A1 - Actionneur haptique - Google Patents

Actionneur haptique Download PDF

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Publication number
WO2016153261A1
WO2016153261A1 PCT/KR2016/002898 KR2016002898W WO2016153261A1 WO 2016153261 A1 WO2016153261 A1 WO 2016153261A1 KR 2016002898 W KR2016002898 W KR 2016002898W WO 2016153261 A1 WO2016153261 A1 WO 2016153261A1
Authority
WO
WIPO (PCT)
Prior art keywords
coil
magnet
case
haptic actuator
yoke
Prior art date
Application number
PCT/KR2016/002898
Other languages
English (en)
Korean (ko)
Inventor
정회원
서종식
천세준
김용규
Original Assignee
(주)하이소닉
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 (주)하이소닉 filed Critical (주)하이소닉
Publication of WO2016153261A1 publication Critical patent/WO2016153261A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
    • 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
    • H02K33/02—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
    • 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
    • H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system

Definitions

  • the present invention relates to a haptic actuator, which is embedded in an electronic device that requires a vibration response by a touch, such as a portable terminal, to generate vibration by interaction between a coil and a magnet.
  • ringtones and vibrations are widely used for incoming calls in communication devices.
  • the vibration generating device which is one of the receiving means that is currently applied to communication devices such as mobile phones, is a component that converts electrical energy into mechanical vibration by using the principle of electromagnetic force. .
  • Such a vibration generating device is widely used for the purpose of informing the reception of a mobile phone, etc. Recently, it is mounted on a game device to notify the user of the progress of the game or mounted on a touch phone so that the user can feel the touch input by vibration. Its use is increasing for the purpose of doing so.
  • the vibration generator also improves the disadvantages of existing products and dramatically improves the quality.
  • the necessity for the development of a new structure to improve the situation is emerging.
  • Conventional vibration generating apparatus mounted on a portable terminal is basically a secondary vibration system using a weight body, and attaches the weight body to an elastic body such as a spring, and has a coil for vibrating the weight body.
  • the weight When power is applied to the coil, the weight vibrates according to a frequency response characteristic predetermined by the elastic modulus of the weight body and the elastic body.
  • Recently described portable terminals have a function of providing feedback corresponding to the input to the user by outputting voice or vibration in response to the user's touch input as described above.
  • the conventional vibration generating device is to generate the up and down driving force of the weight body by the Lorentz force generated between the coil and the stator magnet, due to the structural limitation of the vibration generating device by Lorentz force in the vibration strength and vibration frequency band, etc. It was difficult to show good characteristics.
  • Patent Document 1 Republic of Korea Patent Publication No. 10-1250288
  • Patent Document 2 Republic of Korea Patent Publication No. 10-1055562
  • the present invention has been made in view of the above-described problems, and an object thereof is to provide a haptic actuator having improved performance such as response speed and frequency band according to a user's touch by improving a magnetic force structure.
  • the haptic actuator of the present invention includes a case having a receiving portion formed therein; First and second coils wound along an inner circumferential surface of the case; A yoke disposed between the first coil and the second coil; A magnet disposed inside the first coil and the second coil and vibrating up and down at the accommodating part based on the yoke when current is generated in the first coil and the second coil; And an elastic body mounted on the case to elastically support the magnet.
  • the first coil and the second coil are formed in a circular ring shape and wound in opposite directions to be mounted on the inner surface of the case.
  • the haptic actuator of the present invention further comprises a weight body that vibrates up and down together with the magnet, the magnet is formed in a ring shape is mounted on the outer peripheral surface of the weight body.
  • the elastic body includes a lower spring mounted on the bottom of the case to elastically support the magnet and the weight in an upward direction, and an upper spring mounted on the top of the case to elastically support the magnet and the weight in a downward direction. Is done.
  • the case is a ferromagnetic material magnetized by a magnetic field, and the magnet, yoke, and case form a magnetic circuit.
  • Haptic actuator according to the present invention has a simple structure, the vibration performance is improved and the reaction speed is increased by the magnetic circuit structure formed by the magnet, yoke, case, according to various input signal patterns in the portable terminal to which the haptic actuator is applied Corresponding output can be generated and delivered quickly.
  • FIG. 1 is a perspective view of a haptic actuator according to an embodiment of the present invention.
  • FIG. 2 is an exploded perspective view of a haptic actuator according to an embodiment of the present invention.
  • FIG 3 is a vertical sectional view of a haptic actuator according to an embodiment of the present invention.
  • FIG. 4 is an operational state diagram of the haptic actuator according to an embodiment of the present invention.
  • FIG. 1 is a perspective view showing the overall shape of a haptic actuator according to an embodiment of the present invention
  • Figure 2 is an exploded perspective view of the haptic actuator according to an embodiment of the present invention
  • Figure 3 is a haptic actuator according to an embodiment of the present invention It is a vertical cross-sectional view for showing the internal structure
  • Figure 4 (a) is a view showing the magnet and the weight is lowered
  • Figure 4 (b) is a view showing the magnet and the weight is raised.
  • the elastic body is not separately illustrated
  • FIGS. 3 and 4 represent magnetic force lines by arrows.
  • the haptic actuator of the present invention includes a case 100, a coil, a yoke 400, a magnet 500, a weight body 600, and an elastic body 700, 800.
  • the case 100 includes a base 110 and a cover 120, is formed in a substantially cylindrical shape, and an accommodating part 130 is formed therein.
  • the FPCB and the lower spring 700 are mounted on the upper portion of the base 110.
  • the cover 120 is coupled to the upper portion of the base 110 to form a receiving portion 130, the inner surface of the cover 120, the first coil 200, the second coil 300 and the yoke 400 Is fitted.
  • the upper spring 800 is mounted on the inner upper surface of the cover 120.
  • the magnet 500 and the weight 600 vibrate up and down in the receiving portion 130.
  • the case 100 is made of a cold rolled steel (SPCC) material is a ferromagnetic material, as shown in Figure 3 as the magnetic field is formed by the magnet 500, the magnet 500 and the case 100 is a magnetic circuit Form.
  • SPCC cold rolled steel
  • the first coil 200 and the second coil 300 are wound around the inner circumferential surface of the case 100. Specifically, as shown in FIG. 2, the first coil 200 and the second coil 300 are wound in opposite directions in a circular ring shape along the inner circumferential surface of the cover 120. Accordingly, when the power is connected to the first coil 200 and the second coil 300, currents flowing in opposite directions are formed. As shown in FIG. 3, the first coil 200 and the second coil 300 are mounted on the inner surface of the cover 120 to be disposed above and below each other, and the first coil 200 and the second coil ( The yoke 400 is disposed between the 300. The magnet 500 is disposed inside the first coil 200 and the second coil 300. Meanwhile, the first coil 200 and the second coil 300 may be formed in various shapes in addition to the above-described embodiment.
  • the yoke 400 is disposed between the first coil 200 and the second coil 300, and a power source is connected to the first coil 200 and the second coil 300 so as to provide the magnet 500. Induces magnetic field flow during up and down vibration. And the yoke 400 is located in the upper and lower center of the receiving portion 130.
  • the yoke 400 is made of cold rolled steel (SPCC) material, the magnet 500, the yoke 400, the case 100 as a current is formed in the first coil 200 and the second coil 300 Forms a magnetic circuit.
  • SPCC cold rolled steel
  • the yoke 400 may be integrally formed with the case 100.
  • the magnet 500 is formed in a circular ring shape and is mounted on the outer circumferential surface of the weight body 600 and disposed inside the first coil 200 and the second coil 300.
  • the magnet 500 is vertically polarized, and when a current is generated in the first coil 200 and the second coil 300, the magnet 500 vibrates up and down in the receiving unit 130 based on the yoke 400.
  • the upper and lower thickness of the magnet 500 is formed thicker than the upper and lower thickness of the yoke 400.
  • an N pole is formed on the upper portion of the magnet 500
  • an S pole is formed on the lower portion of the magnet 500.
  • the positions of the N pole and the S pole of the magnet 500 may be changed.
  • the magnetic field is generated in the magnet 500, the magnet 500, the cover 120, and the base 110 form a magnetic circuit.
  • the weight body 600 is formed in a disk shape and the magnet 500 is mounted on the outer circumferential surface.
  • the weight body 600 has the same resonance frequency as that of the power source connected to the first coil 200 and the second coil 300 together with the magnet 500.
  • the weight 600 is positioned at the same height as the yoke 400 and is supported by the elastic bodies 700 and 800 to vibrate up and down together with the magnet 500 in the receiving portion 130.
  • the elastic bodies 700 and 800 are mounted to the case 100 to elastically support the magnet 500 and the weight body 600.
  • the elastic bodies 700 and 800 may include a lower spring 700 and an upper spring 800.
  • the lower spring 700 is mounted on the base 110 to elastically support the magnet 500 and the weight 600 in the upward direction.
  • the upper spring 800 is mounted on the cover 120 to elastically support the magnet 500 and the weight body 600 downward.
  • the lower spring 700 is a leaf spring, and as shown in FIG. 2, a first lower fixing part 710 having a circular ring shape, and a second outer diameter smaller than an inner diameter of the first lower fixing part 710.
  • the lower fixing part 720, the first lower fixing part 710 and the second lower fixing part 720 is formed of a spiral lower connection portion 730.
  • the first lower fixing part 710 is mounted to the base 110, and the second lower fixing part 720 is mounted to the lower part of the weight body 600.
  • the first lower fixing part 710 and the second lower fixing part 720 are connected by two lower connecting parts 730.
  • the upper spring 800 is formed in the same shape as the lower spring 700, the first upper fixing portion 810 of the circular ring shape, the first outer diameter is smaller than the inner diameter of the first upper fixing portion 810 It consists of a fixing portion 820, a spiral upper connection portion 830 connecting the first upper fixing portion 810 and the second upper fixing portion.
  • the first upper fixing part 810 is mounted on the cover 120, and the first upper fixing part 820 is mounted on the upper part of the weight body 600.
  • the first upper fixing part 810 and the first upper fixing part 820 are connected by two upper connecting parts 830.
  • the lower connector 730 and the upper connector 830 may be changed in shape and number according to various embodiments of the present disclosure.
  • the elastic body may be made of only one of the lower spring 700 and the upper spring 800.
  • the magnet 500 is supported by the lower spring 700 and the upper spring 800 and positioned at the same height as the yoke 400.
  • the magnetic field is formed by the magnet 500, the magnet 500, the cover 120, and the base 110 form a magnetic circuit.
  • the S pole is formed in the direction of the yoke 400 so that the magnet 500, the yoke 400, the cover 120, and the base 110 form a magnetic circuit. Accordingly, the magnet 500 and the weight 600 is lowered. As the magnet 500 and the weight body 600 descend, the lower spring 700 is compressed and the upper spring 800 is expanded.
  • the magnet 500 and the weight body 600 are lowered again in the state in which the magnet 500 and the weight body 600 are raised, the moving direction of the magnet 500 and the weight body 600 and the magnet 500 and Only the direction of the external force acting on the weight body 600 is different, the magnet 500 and the weight body 600 is lowered in the same manner.
  • vibration occurs while the magnet 500 and the weight body 600 move up and down.
  • the magnet 500 and the weight body 600 are in a negative stiffness state when vibrated by the magnetic circuit structure and the elastic force of the first coil 200 and the second coil 300 as described above. That is, when a power is connected to the first coil 200 and the second coil 300 to form a current, within a predetermined section centered on an initial position among vertical displacement sections of the magnet 500 and the weight body 600. The difference between the magnetic force issued by the magnet 500 and the elastic forces of the first coil 200 and the second coil 300 is small.
  • the force acts so that the magnet 500 and the weight body 600 are located at the same height as the yoke 400.
  • the damping value of the magnet 500 is increased, thereby increasing the reaction speed at which the magnet 500 vibrates.
  • the portable terminal to which the haptic actuator is applied may rapidly generate and transmit corresponding outputs according to various input signal patterns, thereby improving quality and performance.
  • the haptic actuator according to the present invention is not limited to the above-described embodiment, and can be implemented in various modifications within the scope of the technical idea of the present invention.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)

Abstract

La présente invention concerne un actionneur haptique et, plus particulièrement, un actionneur haptique qui est incorporé dans des dispositifs électroniques nécessitant une réponse d'oscillation par toucher, tels que des terminaux mobiles, pour générer des oscillations par une interaction entre une bobine et un aimant. L'actionneur haptique selon la présente invention comprend : un boîtier comportant une partie de réception formée en son sein ; une première bobine et une seconde bobine qui sont enroulées dans la surface circonférentielle interne du boîtier ; une culasse disposée entre la première bobine et la seconde bobine ; un aimant qui est disposé à l'intérieur de la première bobine et de la seconde bobine et qui oscille de haut en bas sur la base de la culasse dans la partie de réception lorsqu'un courant est appliqué à la première bobine et à la seconde bobine ; et un corps élastique qui est installé dans le boîtier pour supporter l'aimant de manière élastique.
PCT/KR2016/002898 2015-03-24 2016-03-23 Actionneur haptique WO2016153261A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020150040610A KR20160114313A (ko) 2015-03-24 2015-03-24 코어리스 햅틱 액추에이터
KR10-2015-0040610 2015-03-24

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Publication Number Publication Date
WO2016153261A1 true WO2016153261A1 (fr) 2016-09-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2016/002898 WO2016153261A1 (fr) 2015-03-24 2016-03-23 Actionneur haptique

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KR (1) KR20160114313A (fr)
WO (1) WO2016153261A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108869247A (zh) * 2018-07-25 2018-11-23 珠海格力电器股份有限公司 一种压缩机减振方法和系统及包括该系统的电器产品
CN112004612A (zh) * 2018-04-25 2020-11-27 马瑞利株式会社 触感发生装置和触感发生方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102240007B1 (ko) * 2018-05-24 2021-05-03 주식회사 닷 정보 출력 장치
KR102288717B1 (ko) * 2019-08-23 2021-08-11 주식회사 태성에스엔이 엑추에이터
KR102386694B1 (ko) * 2020-03-11 2022-04-14 (주)라이빅 진동 발생 장치

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Publication number Priority date Publication date Assignee Title
US20090146509A1 (en) * 2005-09-08 2009-06-11 Namiki Seimitsu Houseki Kabusikikaisha Vibration actuator
JP2013126299A (ja) * 2011-12-14 2013-06-24 Aisin Seiki Co Ltd リニアアクチュエータ
JP2013223833A (ja) * 2012-04-20 2013-10-31 Nihon Densan Seimitsu Kk 振動発生装置
JP2014072998A (ja) * 2012-09-28 2014-04-21 Tokai Rubber Ind Ltd 防振用リニアアクチュエータとそれを用いた能動型制振器
KR101491456B1 (ko) * 2013-11-05 2015-02-23 주식회사 하이소닉 햅틱 엑추에이터

Family Cites Families (2)

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Publication number Priority date Publication date Assignee Title
KR101055562B1 (ko) 2010-12-30 2011-08-08 삼성전기주식회사 선형진동모터
KR101250288B1 (ko) 2011-09-29 2013-04-03 (주)엠투시스 햅틱 엑추에이터

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090146509A1 (en) * 2005-09-08 2009-06-11 Namiki Seimitsu Houseki Kabusikikaisha Vibration actuator
JP2013126299A (ja) * 2011-12-14 2013-06-24 Aisin Seiki Co Ltd リニアアクチュエータ
JP2013223833A (ja) * 2012-04-20 2013-10-31 Nihon Densan Seimitsu Kk 振動発生装置
JP2014072998A (ja) * 2012-09-28 2014-04-21 Tokai Rubber Ind Ltd 防振用リニアアクチュエータとそれを用いた能動型制振器
KR101491456B1 (ko) * 2013-11-05 2015-02-23 주식회사 하이소닉 햅틱 엑추에이터

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112004612A (zh) * 2018-04-25 2020-11-27 马瑞利株式会社 触感发生装置和触感发生方法
CN112004612B (zh) * 2018-04-25 2021-10-22 马瑞利株式会社 触感发生装置和触感发生方法
US11806748B2 (en) 2018-04-25 2023-11-07 Marelli Corporation Tactile generation apparatus and tactile generation method
CN108869247A (zh) * 2018-07-25 2018-11-23 珠海格力电器股份有限公司 一种压缩机减振方法和系统及包括该系统的电器产品
CN108869247B (zh) * 2018-07-25 2023-10-13 珠海格力电器股份有限公司 一种压缩机减振方法和系统及包括该系统的电器产品

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