WO2011059141A1 - Suspension for a multifunctional micro-speaker, and a multifunctional micro-speaker employing the same - Google Patents

Suspension for a multifunctional micro-speaker, and a multifunctional micro-speaker employing the same Download PDF

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Publication number
WO2011059141A1
WO2011059141A1 PCT/KR2010/000878 KR2010000878W WO2011059141A1 WO 2011059141 A1 WO2011059141 A1 WO 2011059141A1 KR 2010000878 W KR2010000878 W KR 2010000878W WO 2011059141 A1 WO2011059141 A1 WO 2011059141A1
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Prior art keywords
suspension
speaker
vibration
plate
micro speaker
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PCT/KR2010/000878
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French (fr)
Korean (ko)
Inventor
이상호
송재경
홍진혁
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주식회사 비에스이
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Publication of WO2011059141A1 publication Critical patent/WO2011059141A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/207—Shape aspects of the outer suspension of loudspeaker diaphragms

Definitions

  • the present invention relates to a multi-function micro speaker, and more particularly, to a suspension of a multi-function micro speaker with wrinkles and a multi-function micro speaker using the same.
  • a speaker is a device that converts an electrical signal into a voice signal.
  • Micro-speakers are mainly small speakers for small sized audio equipment such as mobile phones, laptops, MP3 players, earphones, etc., and portable audio equipment that is in great demand in recent years.
  • mobile communication devices such as mobile phones are essentially provided with a configuration for generating a vibration signal. That is, recent mobile communication devices have a configuration for generating a vibration signal that is frequently used instead of an incoming call signal, or a vibration signal confirming an input state in a touch screen method for directly inputting information on a screen.
  • the multi-function micro speaker further includes a configuration for generating a vibration signal in the existing micro speaker having a configuration for generating sound, and is variously referred to as a multi-function actuator or a multi-function device (MFD).
  • a multi-function actuator or a multi-function device (MFD).
  • the multifunctional micro speaker has a structure in which vibration is achieved by resonating a vibrator supported by a suspension, which is a plate spring, and a conventional suspension has a branch 12 formed by a through hole 16 on an outer circumferential surface thereof as shown in FIG. 1.
  • Type suspension is mainly used.
  • FIG. 1 is a plan view illustrating a conventional branch type suspension, in which the branch type suspension 10 has a branch 12 having the same width and length as the leaf spring by a through hole 16 on an outer circumferential surface thereof. It has flexibility, and the central portion 14 is to be supported by a vibrator (not shown).
  • the conventional branch type suspension adjusts the thickness of the suspension and the branch width in order to suppress vibrations other than the up and down directions, and when the thickness and the branch width are changed. There is a problem that the oscillation resonance frequency rises.
  • the center of gravity moves away from the suspension, such as tilting and rolling.
  • the possibility of unstable vibration is increased and vibration displacement is limited by the branch length, so that the branch of the suspension is permanently deformed by excessive vibration or external impact.
  • the present invention has been proposed to solve the above problems, the object of the present invention is to limit the vibration of the vibrator in the up and down direction, to suppress the unstable vibration such as tilting (Rolling), excessive It is to provide a multi-function micro speaker suspension and a multi-function micro speaker using the same, which can improve the fatigue of suspension against vibration displacement and improve the reliability by distributing the impact amount against external shock.
  • another object of the present invention is to adjust the resonant frequency of the vibrator by changing the suspension thickness and the number and radius of the pleats, the suspension of the multi-function micro speaker that can adjust the vibration displacement and braking force by varying the radius of the suspension pleat and using the same It is to provide a multifunctional micro speaker.
  • the suspension of the present invention is structurally limited so that at least one or more corrugations are formed on the outer surface of a plate of a predetermined shape so that vibration of the vibrator attached to the center of the plate is mainly made in the vertical direction. It is characterized in that it is possible to control the vibration displacement and the resonant frequency by preventing deformation and modifying the radius (R) of the corrugation and the thickness (t) of the plate.
  • the pleats are provided with ventilation holes for smooth vibration of the speaker diaphragm, and when the pleats are plural, the radii of the pleats are the same or different from each other.
  • the speaker of the present invention to achieve the above object is a frame; A diaphragm having an edge supported on the frame; A voice coil attached to the diaphragm; A vibrator formed of a yoke, a permanent magnet and a plate while forming a magnetic gap to receive the voice coil; And a suspension for attaching and supporting the vibrator at the center and having at least one wrinkle formed at the outside thereof to limit the vibration direction of the vibrator only in the vertical direction to prevent abnormal vibration and deformation.
  • the speaker of the present invention may add weight for adjusting the resonance frequency and increasing the vibration force.
  • the pleated suspension according to the present invention is the vibration displacement of the suspension itself and the fatigue load is the same in the up and down direction to prevent deformation even to excessive vibration or external impact, single or multiple circular pleats are structural rigidity in the horizontal direction This high effect can suppress abnormal vibration by suppressing vibrations other than the up and down directions.
  • 1 is a plan view showing a conventional branch type suspension
  • FIG. 2 is a schematic view showing a pleated suspension according to the present invention.
  • FIG 3 is an example of various pleat shapes of the pleated suspension in accordance with the present invention.
  • Figure 4 is an example of forming a pleat in the brachin type suspension in accordance with the present invention.
  • FIG. 6 is another example of a multifunctional micro speaker to which the suspension according to the present invention is applied.
  • FIG. 2 is a schematic diagram illustrating a pleated suspension according to the present invention
  • FIG. 3 is an example of various pleated shapes of the pleated suspension according to the present invention.
  • the pleated suspension 110 consists of a plate of various shapes in which the pleat 112 is formed on the outer peripheral surface of the plate.
  • the shape of the plate may be a disc, a square plate, or the like according to the shape of the multifunctional micro speaker, and at least one pleated corrugation 112 is formed on the outer circumferential surface of the plate.
  • the corrugated suspension 110 may be formed of a non-metal series such as a paper nylon mesh, rubber, silicon, as well as a metal series (stainless steel, iron, brass, etc.).
  • the vent hole 116 is formed at the maximum point or valley of the outer periphery of the suspension 112 for ventilation with the rear surface, and the central portion 114 of the plate functions as the vibrator.
  • the permanent magnet is designed to be mounted so that it can be mounted.
  • the pleated suspension 110 of the present invention by forming one or several corrugations 112 in a circular or square in the outer periphery of the suspension plate to secure the displacement for up and down vibration and In addition, the vibration force in a direction other than the direction perpendicular to the plate (up and down) is suppressed.
  • the ventilation hole 116 is formed in the vicinity of the maximum point of the outer corrugation 112 or the valley for the ventilation structure during speaker vibration, and the radius (R) of the corrugation 112 and the thickness (t) of the plate are variously modified. Vibration displacement and resonant frequency can be controlled.
  • the center 114 of the plate is flat to attach the yoke and the permanent magnet functioning as a vibrator.
  • the shape of the pleats 112 may be larger or smaller as the radius R of the pleats, as shown in FIG. 3, and may have the same radius or a different radius as the adjacent pleats.
  • (a) is an example in which a small radius and the same wrinkle 112 are continuously formed
  • (b) is an example in which the radius of the outer wrinkle is large but gradually decreases as it goes inward. This is an example where the center of the plate is flawless and the radius of wrinkles is large.
  • the pleated suspension 110 according to the present invention is the same as the vibration displacement and the fatigue load of the suspension itself in the up and down direction is not deformed by excessive vibration or external impact, single or multiple circular pleats 112
  • the structural rigidity with respect to the horizontal direction is high, and vibrations (abnormal vibrations) other than the up and down directions can be suppressed.
  • the modified example 210 of the pleated suspension is a case in which a pleat 212 is formed on the outer side of a conventional branch type suspension as shown in FIG. 4.
  • the wrinkled branch type suspension 210 has a vent hole 216 formed on the outside thereof, and a wrinkle 212 is formed on the branch, and the inner center 214 can attach a vibrator.
  • the suspension of the branch type is provided in the same direction as the plate to give the corrugation 212 to compensate for the vibration characteristics of the suspension, so that the vibration of the upper and lower directions is reduced. It can suppress and increase the linearity of vibration displacement.
  • Figure 6 is another example of a multi-function micro speaker with a pleated suspension according to the present invention.
  • the multifunction micro speaker 100 to which the present invention is applied includes a frame 101, a diaphragm 102 having edges supported by the frame 101, and a voice coil 103 attached to the diaphragm 102. And a vibrator composed of the yoke 104, the permanent magnet 105, and the plate 106, a pleated suspension 110 for supporting the vibrator, and a cover 107.
  • the multifunction micro speaker 100 includes a diaphragm having a voice coil 103 inserted into a gap of a magnetic circuit including a permanent magnet 105, a plate 106, and a yoke 104, and flowing through the voice coil 103.
  • 102 is vibrated to generate sound waves, and the vibrator supported by the suspension 110 vibrates to provide a vibration function.
  • the pleated suspension 110 according to the present invention is formed to the outside wrinkles 112 to limit the vibration of the oscillator to be made only in the vertical direction and to prevent deformation, the radius (R) of the pleat 112 and By varying the thickness t, the vibration displacement and the resonance frequency can be controlled.
  • another example 100 ′ of the multifunction micro speaker to which the present invention is applied may include a magnetic coil comprising a permanent magnet 105, a plate 106, and a yoke 104.
  • the diaphragm 102 is vibrated by the current flowing through the voice coil 103 to generate sound waves, and the vibrator supported by the suspension 110 'vibrates to provide a vibration function.
  • the pleated suspension (110 ') according to the present invention is limited to the vibration of the vibrator is formed only in the up and down direction by forming a pleat (112') on the outside and to prevent deformation, and the radius of the pleat (112 ') and By varying thickness, vibration displacement and resonant frequency can be controlled.
  • the pleated suspension is the vibration displacement of the suspension itself and the fatigue load is the same in the up and down direction to prevent deformation even to excessive vibration or external impact, single or multiple circular pleats are structural rigidity in the horizontal direction Since abnormal vibrations can be prevented by suppressing vibrations other than the up and down directions, there is a significant possibility of industrial application.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

The present invention relates to suspension for a multifunctional micro-speaker formed with ridges, and to a multifunctional micro-speaker employing the same. In the suspension of the present invention, at least one ridge is formed at the outer perimeter of a sheet material of a predetermined shape such that the vibrations of a vibrator attached to the centre of the sheet material are structurally limited to be in a mainly top-to-bottom direction and, in addition, deformation of the sheet material is prevented, and the radius (R) of the ridge(s) and the thickness (t) of the sheet material are modified so as to be able to control the vibrational displacement and resonance frequency. The ridge(s) is (are) formed with air passage holes and, when there is a plurality of ridges, the radiuses of the ridges are either the same as each other or different.

Description

다기능 마이크로 스피커의 서스펜션 및 이를 이용한 다기능 마이크로 스피커Suspension of the multifunctional micro speaker and multifunctional micro speaker using the same
본 발명은 다기능 마이크로 스피커에 관한 것으로, 더욱 상세하게는 주름이 형성된 다기능 마이크로 스피커의 서스펜션과 이를 이용한 다기능 마이크로 스피커에 관한 것이다.The present invention relates to a multi-function micro speaker, and more particularly, to a suspension of a multi-function micro speaker with wrinkles and a multi-function micro speaker using the same.
일반적으로, 스피커는 전기적인 신호를 음성신호로 전환시키는 장치이다. 마이크로 스피커는, 주로 크기가 작은 음향기기, 이를 테면, 휴대폰, 노트북, MP3플레이어, 이어폰 등, 근래에 수요가 크게 늘고 있는 휴대용 음향기기를 위한 소형의 스피커이다. In general, a speaker is a device that converts an electrical signal into a voice signal. Micro-speakers are mainly small speakers for small sized audio equipment such as mobile phones, laptops, MP3 players, earphones, etc., and portable audio equipment that is in great demand in recent years.
그런데 마이크로 스피커가 채용된 최근의 전자제품 특히, 휴대폰과 같은 이동통신기기는 진동신호를 발생하는 구성을 필수적으로 구비하고 있다. 즉, 최근의 이동통신기기는 착신신호음 대신 빈번히 사용되고 있는 진동신호나, 화면에 직접 정보를 입력하는 터치스크린 방식에 있어서 입력상태를 확인시켜 주는 진동신호를 발생시키기 위한 구성을 구비하고 있다. However, recent electronic products employing micro speakers, in particular, mobile communication devices such as mobile phones are essentially provided with a configuration for generating a vibration signal. That is, recent mobile communication devices have a configuration for generating a vibration signal that is frequently used instead of an incoming call signal, or a vibration signal confirming an input state in a touch screen method for directly inputting information on a screen.
다기능 마이크로 스피커는 음향발생을 위한 구성을 구비한 기존의 마이크로 스피커에 진동신호 발생을 위한 구성을 추가로 구비한 것으로, 다기능 액츄에이터 혹은 다기능 디바이스(MFD) 등으로 다양하게 불리고 있다. The multi-function micro speaker further includes a configuration for generating a vibration signal in the existing micro speaker having a configuration for generating sound, and is variously referred to as a multi-function actuator or a multi-function device (MFD).
이러한 다기능 마이크로 스피커는 판형 스프링인 서스펜션에 지지되어 있는 진동자를 공진시켜 진동을 얻는 구조인데, 종래의 서스펜션은 도 1에 도시된 바와 같이 외주면에 관통공(16)에 의해 브랜치(12)가 형성된 브랜치 타입의 서스펜션을 주로 사용하고 있다.The multifunctional micro speaker has a structure in which vibration is achieved by resonating a vibrator supported by a suspension, which is a plate spring, and a conventional suspension has a branch 12 formed by a through hole 16 on an outer circumferential surface thereof as shown in FIG. 1. Type suspension is mainly used.
도 1은 종래의 브랜치 타입(Branch type) 서스펜션을 도시한 평면도로서, 브랜치 타입의 서스펜션(10)은 외주면에 관통공(16)에 의해 판스프링과 같은 폭과 길이를 갖는 브랜치(12)가 형성되어 유연성을 갖고 되고, 중앙부분(14)에는 진동자(미도시)가 지지될 수 있도록 되어 있다.1 is a plan view illustrating a conventional branch type suspension, in which the branch type suspension 10 has a branch 12 having the same width and length as the leaf spring by a through hole 16 on an outer circumferential surface thereof. It has flexibility, and the central portion 14 is to be supported by a vibrator (not shown).
다기능 마이크로 스피커에서 종래의 브랜치 형(Branch type) 서스펜션은 상, 하 방향 이외의 진동을 억제하기 위해 서스펜션의 두께와 브랜치(Branch)의 폭을 조정하는데, 두께와 브랜치(Branch)의 폭을 변경할 경우에 진동 공진주파수가 상승하는 문제점이 있다.In a multifunctional micro speaker, the conventional branch type suspension adjusts the thickness of the suspension and the branch width in order to suppress vibrations other than the up and down directions, and when the thickness and the branch width are changed. There is a problem that the oscillation resonance frequency rises.
또한 종래의 브랜치형 서스펜션에서 두께와 브랜치(Branch) 폭을 증가시킨 후 공진주파수를 감소시키기 위해 무게(Weight)를 증가시킬 경우, 무게 중심이 서스펜션에서 멀어져 틸팅(Tilting)과 롤링(Rolling) 등의 불안정한 진동이 발생할 가능성이 증가하고, 브랜치(Branch) 길이에 의해 진동 변위가 제한되므로 과도한 진동이나 외부 충격에 의해 서스펜션의 브랜치(Branch)가 영구 변형되는 문제점이 있다.In addition, in the conventional branched suspension, if the weight is increased to decrease the resonance frequency after increasing the thickness and the branch width, the center of gravity moves away from the suspension, such as tilting and rolling. The possibility of unstable vibration is increased and vibration displacement is limited by the branch length, so that the branch of the suspension is permanently deformed by excessive vibration or external impact.
본 발명은 상기와 같은 문제점들을 해소하기 위해 제안된 것으로, 본 발명의 목적은 진동자의 진동을 상,하 방향으로 제한하고, 틸팅(Tilting) 혹은 롤링(Rolling)과 같은 불안정한 진동을 억제하며, 과도한 진동 변위에 대한 서스펜션의 피로를 개선하고 외부 충격에 대한 충격량을 분산시켜 신뢰성을 향상시킬 수 있는 다기능 마이크로 스피커의 서스펜션 및 이를 이용한 다기능 마이크로 스피커를 제공하는 것이다.The present invention has been proposed to solve the above problems, the object of the present invention is to limit the vibration of the vibrator in the up and down direction, to suppress the unstable vibration such as tilting (Rolling), excessive It is to provide a multi-function micro speaker suspension and a multi-function micro speaker using the same, which can improve the fatigue of suspension against vibration displacement and improve the reliability by distributing the impact amount against external shock.
또한 본 발명의 다른 목적은 서스펜션 두께와 주름의 수 및 반경을 변경하여 진동자의 공진주파수를 조정하고, 서스펜션 주름의 반경을 서로 달리하여 진동 변위와 제동력을 조정할 수 있는 다기능 마이크로 스피커의 서스펜션 및 이를 이용한 다기능 마이크로 스피커를 제공하는 것이다.In addition, another object of the present invention is to adjust the resonant frequency of the vibrator by changing the suspension thickness and the number and radius of the pleats, the suspension of the multi-function micro speaker that can adjust the vibration displacement and braking force by varying the radius of the suspension pleat and using the same It is to provide a multifunctional micro speaker.
상기와 같은 목적을 달성하기 위하여 본 발명의 서스펜션은 소정 형상의 판재 외곽에 적어도 하나 이상의 주름이 형성되어 판재의 중앙에 부착된 진동자의 진동이 주로 상하 방향으로 이루어지도록 구조적으로 제한함과 아울러 판재의 변형을 방지하고, 상기 주름의 반경(R)과 판재의 두께(t)를 변형시켜 진동 변위와 공진주파수를 제어할 수 있도록 된 것을 특징으로 한다.In order to achieve the above object, the suspension of the present invention is structurally limited so that at least one or more corrugations are formed on the outer surface of a plate of a predetermined shape so that vibration of the vibrator attached to the center of the plate is mainly made in the vertical direction. It is characterized in that it is possible to control the vibration displacement and the resonant frequency by preventing deformation and modifying the radius (R) of the corrugation and the thickness (t) of the plate.
상기 주름에는 스피커 진동판의 원할한 진동을 위한 통기공이 형성되어 있고, 상기 주름이 다수일 경우, 각 주름의 반경은 서로 동일하거나 다르게 된 것이다.The pleats are provided with ventilation holes for smooth vibration of the speaker diaphragm, and when the pleats are plural, the radii of the pleats are the same or different from each other.
또한 상기와 같은 목적을 달성하기 위하여 본 발명의 스피커는 프레임; 상기 프레임에 에지가 지지되는 진동판; 상기 진동판에 부착된 보이스코일; 상기 보이스코일을 수용할 자기갭을 형성함과 아울러 요크와 영구자석과 플레이트로 이루어진 진동자; 및 중앙에 상기 진동자를 부착하여 지지하고, 외곽에 적어도 하나 이상의 주름이 형성되어 상기 진동자의 진동방향을 상하 방향으로만 제한하여 이상진동과 변형을 방지하는 서스펜션을 포함하는 것을 특징으로 한다.In addition, the speaker of the present invention to achieve the above object is a frame; A diaphragm having an edge supported on the frame; A voice coil attached to the diaphragm; A vibrator formed of a yoke, a permanent magnet and a plate while forming a magnetic gap to receive the voice coil; And a suspension for attaching and supporting the vibrator at the center and having at least one wrinkle formed at the outside thereof to limit the vibration direction of the vibrator only in the vertical direction to prevent abnormal vibration and deformation.
또한 본 발명의 스피커는 공진주파수 조정과 진동력 증가를 위한 질량(Weight)을 추가할 수도 있다.In addition, the speaker of the present invention may add weight for adjusting the resonance frequency and increasing the vibration force.
본 발명에 따른 주름 형상의 서스펜션은 서스펜션 자체의 진동변위와 피로 하중이 상, 하 방향으로 동일하여 과도한 진동이나 외부 충격에 대해서도 변형을 방지하고, 단일 혹은 다수의 원형 주름은 수평 방향에 대한 구조 강성이 높아 상,하 방향 이외의 진동을 억제하여 이상진동을 방지할 수 있는 효과가 있다.The pleated suspension according to the present invention is the vibration displacement of the suspension itself and the fatigue load is the same in the up and down direction to prevent deformation even to excessive vibration or external impact, single or multiple circular pleats are structural rigidity in the horizontal direction This high effect can suppress abnormal vibration by suppressing vibrations other than the up and down directions.
도 1은 종래의 브랜치 타입 서스펜션을 도시한 평면도,1 is a plan view showing a conventional branch type suspension,
도 2는 본 발명에 따른 주름형 서스펜션을 도시한 개략도,2 is a schematic view showing a pleated suspension according to the present invention;
도 3은 본 발명에 따른 주름형 서스펜션의 다양한 주름 형상의 예,3 is an example of various pleat shapes of the pleated suspension in accordance with the present invention;
도 4는 본 발명에 따라 브래친 타입 서스펜션에 주름을 형성한 예,Figure 4 is an example of forming a pleat in the brachin type suspension in accordance with the present invention,
도 5는 본 발명에 따른 서스펜션이 적용된 다기능 마이크로 스피커의 예,5 is an example of a multi-function micro speaker with suspension according to the present invention;
도 6은 본 발명에 따른 서스펜션이 적용된 다기능 마이크로 스피커의 다른 예이다.6 is another example of a multifunctional micro speaker to which the suspension according to the present invention is applied.
본 발명과 본 발명의 실시에 의해 달성되는 기술적 과제는 다음에서 설명하는 본 발명의 바람직한 실시예들에 의하여 보다 명확해질 것이다. 다음의 실시예들은 단지 본 발명을 설명하기 위하여 예시된 것에 불과하며, 본 발명의 범위를 제한하기 위한 것은 아니다.The technical problems achieved by the present invention and the practice of the present invention will be more clearly understood by the preferred embodiments of the present invention described below. The following examples are merely illustrated to illustrate the present invention and are not intended to limit the scope of the present invention.
도 2는 본 발명에 따른 주름형 서스펜션을 도시한 개략도이고, 도 3은 본 발명에 따른 주름형 서스펜션의 다양한 주름 형상의 예이다.2 is a schematic diagram illustrating a pleated suspension according to the present invention, and FIG. 3 is an example of various pleated shapes of the pleated suspension according to the present invention.
본 발명에 따른 주름형 서스펜션(110)은 도 2 및 도 3에 도시된 바와 같이, 판재의 외주면에 주름(112)이 형성된 다양한 형상의 판으로 구성된다. 판의 형상은 다기능 마이크로 스피커의 형상에 따라 원판이나 사각판 등이 가능하고, 판의 외주면에는 적어도 하나 이상의 고랑 형상의 주름(112)이 형성되어 있다. 주름형 서스펜션(110)의 소재로는 금속계열(스테인레스, 철, 황동 등)뿐만 아니라 종이 나일론 메쉬, 고무, 실리콘과 같은 비금속계열로도 구성할 수 있다.The pleated suspension 110 according to the present invention, as shown in Figures 2 and 3, consists of a plate of various shapes in which the pleat 112 is formed on the outer peripheral surface of the plate. The shape of the plate may be a disc, a square plate, or the like according to the shape of the multifunctional micro speaker, and at least one pleated corrugation 112 is formed on the outer circumferential surface of the plate. The corrugated suspension 110 may be formed of a non-metal series such as a paper nylon mesh, rubber, silicon, as well as a metal series (stainless steel, iron, brass, etc.).
또한 진동자에 의해 서스펜션(110)이 진동할 경우에 후면과의 통기를 위해 서스펜션 외곽 주름(112)의 최대점이나 골 등에 통기공(116)이 형성됨과 아울러 판의 중앙부분(114)은 진동자 기능을 하는 영구자석이 실장될 수 있도록 평면으로 되어 있다.In addition, when the suspension 110 is vibrated by the vibrator, the vent hole 116 is formed at the maximum point or valley of the outer periphery of the suspension 112 for ventilation with the rear surface, and the central portion 114 of the plate functions as the vibrator. The permanent magnet is designed to be mounted so that it can be mounted.
도 2를 참조하면, 본 발명의 주름형 서스펜션(110)은 서스펜션 판재의 외곽에 원형 혹은 사각형으로 한 개 혹은 여러개의 주름(112)을 연속으로 형성하여 상, 하 진동을 위한 변위를 확보함과 아울러 판재와 수직인 방향(상,하) 이외의 다른 방향의 진동력을 억제한다. 또한 스피커 진동 시 통기 구조를 위해 외곽 주름(112)의 최대점 부근이나 골 등에 통기공(116)을 형성하고, 주름(112)의 반경(R)과 판의 두께(t)를 다양하게 변형하여 진동 변위와 공진주파수를 제어할 수 있다. 판재의 중앙(114)은 진동자 기능을 하는 요크와 영구자석을 부착할 수 있도록 평면으로 되어 있다.Referring to Figure 2, the pleated suspension 110 of the present invention by forming one or several corrugations 112 in a circular or square in the outer periphery of the suspension plate to secure the displacement for up and down vibration and In addition, the vibration force in a direction other than the direction perpendicular to the plate (up and down) is suppressed. In addition, the ventilation hole 116 is formed in the vicinity of the maximum point of the outer corrugation 112 or the valley for the ventilation structure during speaker vibration, and the radius (R) of the corrugation 112 and the thickness (t) of the plate are variously modified. Vibration displacement and resonant frequency can be controlled. The center 114 of the plate is flat to attach the yoke and the permanent magnet functioning as a vibrator.
그리고 주름(112)의 형상은 도 3에 도시된 바와 같이, 주름의 반경(R)을 크게 하거나 작게 할 수 있으며, 인접하는 주름과 동일한 반경 혹은 다른 반경을 가질 수 있다. 본 발명의 실시예에서 (a)는 반경이 작고 동일한 주름(112)이 연속적으로 형성된 예이고, (b)는 외측 주름의 반경은 크나 내측으로 가면서 점차 반경이 작아지는 예이며, (c)는 판재 중앙부위에 흠이 없고 주름의 반경이 큰 예이다. The shape of the pleats 112 may be larger or smaller as the radius R of the pleats, as shown in FIG. 3, and may have the same radius or a different radius as the adjacent pleats. In the exemplary embodiment of the present invention, (a) is an example in which a small radius and the same wrinkle 112 are continuously formed, and (b) is an example in which the radius of the outer wrinkle is large but gradually decreases as it goes inward. This is an example where the center of the plate is flawless and the radius of wrinkles is large.
이와 같이 본 발명에 따라 주름이 형성된 서스펜션(110)은 서스펜션 자체의 진동변위와 피로 하중이 상,하 방향으로 동일하여 과도한 진동이나 외부 충격에도 변형되지 않고, 단일 혹은 다수의 원형 주름(112)은 수평 방향에 대한 구조 강성이 높아 상, 하 방향 이외의 진동(이상진동)을 억제할 수 있다.As described above, the pleated suspension 110 according to the present invention is the same as the vibration displacement and the fatigue load of the suspension itself in the up and down direction is not deformed by excessive vibration or external impact, single or multiple circular pleats 112 The structural rigidity with respect to the horizontal direction is high, and vibrations (abnormal vibrations) other than the up and down directions can be suppressed.
도 4는 본 발명에 따라 브랜치 타입 서스펜션에 주름이 형성된 예이다.4 is an example in which wrinkles are formed in a branch type suspension according to the present invention.
본 발명에 따라 주름이 형성된 서스펜션의 변형 예(210)는 도 4에 도시된 바와 같이, 기존의 브랜치 타입의 서스펜션에서 외곽에 주름(212)을 형성한 경우이다. 주름이 형성된 브랜치 타입 서스펜션(210)은 외곽에 통기공(216)이 형성됨과 아울러 브랜치에 주름(212)이 형성되어 있고, 내측 중앙(214)에는 진동자를 부착할 수 있도록 되어 있다.According to the present invention, the modified example 210 of the pleated suspension is a case in which a pleat 212 is formed on the outer side of a conventional branch type suspension as shown in FIG. 4. The wrinkled branch type suspension 210 has a vent hole 216 formed on the outside thereof, and a wrinkle 212 is formed on the branch, and the inner center 214 can attach a vibrator.
이와 같이 본 발명에 따르면 기존의 브랜치 타입(Branch type)의 서스펜션(suspension)에 대해서도 판재와 동일한 방향으로 주름(212)을 주어 서스펜션(suspension)의 진동특성을 보상하여 상,하 외 방향의 진동을 억제하고, 진동 변위의 선형성을 증가시킬 수 있다.As described above, according to the present invention, the suspension of the branch type is provided in the same direction as the plate to give the corrugation 212 to compensate for the vibration characteristics of the suspension, so that the vibration of the upper and lower directions is reduced. It can suppress and increase the linearity of vibration displacement.
도 5는 본 발명에 따른 주름형 서스펜션이 적용된 다기능 마이크로 스피커의 예이고, 도 6은 본 발명에 따른 주름형 서스펜션이 적용된 다기능 마이크로 스피커의 다른 예이다.5 is an example of a multi-function micro speaker with a pleated suspension according to the present invention, Figure 6 is another example of a multi-function micro speaker with a pleated suspension according to the present invention.
도 5를 참조하면, 본 발명이 적용된 다기능 마이크로 스피커(100)는 프레임(101)과, 프레임(101)에 에지가 지지되는 진동판(102)과, 진동판(102)에 부착되는 보이스코일(103)과, 요크(104)와 영구자석(105) 및 플레이트(106)로 이루어진 진동자와, 진동자를 지지하기 위한 주름형 서스펜션(110), 및 커버(107)로 이루어진다.Referring to FIG. 5, the multifunction micro speaker 100 to which the present invention is applied includes a frame 101, a diaphragm 102 having edges supported by the frame 101, and a voice coil 103 attached to the diaphragm 102. And a vibrator composed of the yoke 104, the permanent magnet 105, and the plate 106, a pleated suspension 110 for supporting the vibrator, and a cover 107.
이러한 다기능 마이크로 스피커(100)는 보이스코일(103)이 영구자석(105)과 플레이트(106) 및 요크(104)로 이루어진 자기회로의 갭에 삽입되어 보이스코일(103)에 흐르는 전류에 의해 진동판(102)이 진동되어 음파를 발생함과 아울러 서스펜션(110)에 의해 지지되는 진동자가 진동하여 진동기능을 제공한다. 이때 본 발명에 따른 주름형 서스펜션(110)은 외곽에 주름(112)이 형성되어 진동자의 진동이 상하 방향으로만 이루어지도록 제한함과 아울러 변형을 방지하고, 주름(112)의 반경(R)과 두께(t)를 다양하게 변형시켜 진동 변위와 공진주파수를 제어할 수 있다.The multifunction micro speaker 100 includes a diaphragm having a voice coil 103 inserted into a gap of a magnetic circuit including a permanent magnet 105, a plate 106, and a yoke 104, and flowing through the voice coil 103. 102 is vibrated to generate sound waves, and the vibrator supported by the suspension 110 vibrates to provide a vibration function. At this time, the pleated suspension 110 according to the present invention is formed to the outside wrinkles 112 to limit the vibration of the oscillator to be made only in the vertical direction and to prevent deformation, the radius (R) of the pleat 112 and By varying the thickness t, the vibration displacement and the resonance frequency can be controlled.
또한 본 발명이 적용된 다기능 마이크로 스피커의 다른 예(100')는 도 6에 도시된 바와 같이, 보이스코일(103)이 영구자석(105)과 플레이트(106) 및 요크(104)로 이루어진 자기회로의 갭에 삽입되어 보이스코일(103)에 흐르는 전류에 의해 진동판(102)이 진동되어 음파를 발생함과 아울러 서스펜션(110')에 의해 지지되는 진동자가 진동하여 진동기능을 제공한다. 이때 본 발명에 따른 주름형 서스펜션(110')은 외곽에 주름(112')이 형성되어 진동자의 진동이 상하 방향으로만 이루어지도록 제한함과 아울러 변형을 방지하고, 주름(112')의 반경과 두께의 다양화로 진동 변위와 공진주파수를 제어할 수 있다.In addition, as shown in FIG. 6, another example 100 ′ of the multifunction micro speaker to which the present invention is applied may include a magnetic coil comprising a permanent magnet 105, a plate 106, and a yoke 104. The diaphragm 102 is vibrated by the current flowing through the voice coil 103 to generate sound waves, and the vibrator supported by the suspension 110 'vibrates to provide a vibration function. At this time, the pleated suspension (110 ') according to the present invention is limited to the vibration of the vibrator is formed only in the up and down direction by forming a pleat (112') on the outside and to prevent deformation, and the radius of the pleat (112 ') and By varying thickness, vibration displacement and resonant frequency can be controlled.
이상에서 본 발명은 도면에 도시된 일 실시예를 참고로 설명되었으나, 본 기술분야의 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 타 실시예가 가능하다는 점을 이해할 것이다. The present invention has been described above with reference to one embodiment shown in the drawings, but those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom.
본 발명은 주름 형상의 서스펜션은 서스펜션 자체의 진동변위와 피로 하중이 상, 하 방향으로 동일하여 과도한 진동이나 외부 충격에 대해서도 변형을 방지하고, 단일 혹은 다수의 원형 주름은 수평 방향에 대한 구조 강성이 높아 상,하 방향 이외의 진동을 억제하여 이상진동을 방지할 수 있으므로, 산업상으로 현저한 이용 가능성이 있다.In the present invention, the pleated suspension is the vibration displacement of the suspension itself and the fatigue load is the same in the up and down direction to prevent deformation even to excessive vibration or external impact, single or multiple circular pleats are structural rigidity in the horizontal direction Since abnormal vibrations can be prevented by suppressing vibrations other than the up and down directions, there is a significant possibility of industrial application.

Claims (6)

  1. 소정 형상의 판재 외곽에 적어도 하나 이상의 주름이 형성되어At least one wrinkle is formed on the outside of the plate of a predetermined shape
    판재의 중앙에 부착된 진동자의 진동이 주로 상하 방향으로 이루어지도록 구조적으로 제한함과 아울러 판재의 변형을 방지하고, 상기 주름의 반경(R)과 판재의 두께(t)를 변형시켜 진동 변위와 공진주파수를 제어할 수 있도록 된 것을 특징으로 하는 다기능 마이크로 스피커의 서스펜션.In addition to structurally limiting the vibration of the vibrator attached to the center of the plate mainly in the up and down direction, preventing deformation of the plate, and modifying the radius (R) of the corrugation and the thickness (t) of the plate, vibration displacement and resonance Suspension of a multifunctional micro speaker, characterized by being able to control the frequency.
  2. 제1항에 있어서, 상기 주름에는 통기공이 형성된 것을 특징으로 하는 다기능 마이크로 스피커의 서스펜션.The suspension of the multifunctional micro speaker of claim 1, wherein the pleat is formed with a ventilation hole.
  3. 제1항에 있어서, 상기 주름이 다수일 경우,The method of claim 1, wherein the plurality of wrinkles,
    각 주름의 반경은 서로 동일하거나 다르게 된 것을 특징으로 하는 다기능 마이크로 스피커의 서스펜션.Suspension of the multi-function micro speaker, characterized in that the radius of each pleat is the same or different from each other.
  4. 프레임;frame;
    상기 프레임에 에지가 지지되는 진동판;A diaphragm having an edge supported on the frame;
    상기 진동판에 부착된 보이스코일;A voice coil attached to the diaphragm;
    상기 보이스코일을 수용할 자기갭을 형성함과 아울러 요크와 영구자석과 플레이트로 이루어진 진동자; 및A vibrator formed of a yoke, a permanent magnet and a plate while forming a magnetic gap to receive the voice coil; And
    중앙에 상기 진동자를 부착하여 지지하고, 외곽에 적어도 하나 이상의 주름이 형성되어 상기 진동자의 진동방향을 주로 상하 방향으로 제한하여 이상진동과 변형을 방지하는 서스펜션을 포함하는 것을 특징으로 하는 다기능 마이크로 스피커.The multifunction micro-speaker comprising a suspension for attaching and supporting the vibrator in the center, and at least one wrinkle is formed on the outside to limit the vibration direction of the vibrator mainly up and down to prevent abnormal vibration and deformation.
  5. 제4항에 있어서, 상기 서스펜션은The method of claim 4 wherein the suspension is
    상기 주름에 통기공이 형성되어 있고,Vent holes are formed in the wrinkles,
    상기 주름이 다수일 경우,If there are multiple wrinkles,
    각 주름의 반경은 서로 동일하거나 다르게 된 것을 특징으로 하는 다기능 마이크로 스피커.A multifunctional micro speaker, wherein each of the pleats has the same or different radii.
  6. 제4항에 있어서, 상기 다기능 마이크로 스피커는The method of claim 4, wherein the multi-function micro speaker
    공진주파수 조정과 진동력 증가를 위한 질량을 더 구비한 것을 특징으로 하는 다기능 마이크로 스피커.A multifunctional micro speaker, characterized by further comprising a mass for adjusting the resonance frequency and increasing the vibration force.
PCT/KR2010/000878 2009-11-10 2010-02-11 Suspension for a multifunctional micro-speaker, and a multifunctional micro-speaker employing the same WO2011059141A1 (en)

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Publication number Priority date Publication date Assignee Title
CN102291658B (en) * 2011-06-21 2014-02-12 陈奚平 Loudspeaker
CN104320728B (en) * 2014-10-22 2018-10-30 昆山吉美川纤维科技有限公司 Body-sensing speaker vibrator, body-sensing speaker, mattress, chair, quilt, cotton-padded mattress
KR101907519B1 (en) * 2018-02-21 2018-10-12 주식회사 블루콤 SPICOM Composed of Linear Vibration Motor and Speaker

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200402566Y1 (en) * 2005-01-31 2005-12-02 신광식 Multi-functional vibrated micro speaker having function with normal sound, tactile sound, bone conduction and vibration motor
KR200421900Y1 (en) * 2006-05-09 2006-07-19 신기음향 주식회사 Speaker for mobile-phone
KR20080003627A (en) * 2006-07-03 2008-01-08 아이필유(주) Multi-function micro speaker
KR20090049176A (en) * 2007-11-13 2009-05-18 에스텍 주식회사 Multi-function speaker
KR100902120B1 (en) * 2008-10-15 2009-06-09 주식회사 비에스이 Multi function speaker

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4328778B2 (en) * 2006-03-29 2009-09-09 本田技研工業株式会社 Vehicle noise vibration acoustic control device
JP4811367B2 (en) * 2007-07-24 2011-11-09 ソニー株式会社 Vibration material, audio output device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200402566Y1 (en) * 2005-01-31 2005-12-02 신광식 Multi-functional vibrated micro speaker having function with normal sound, tactile sound, bone conduction and vibration motor
KR200421900Y1 (en) * 2006-05-09 2006-07-19 신기음향 주식회사 Speaker for mobile-phone
KR20080003627A (en) * 2006-07-03 2008-01-08 아이필유(주) Multi-function micro speaker
KR20090049176A (en) * 2007-11-13 2009-05-18 에스텍 주식회사 Multi-function speaker
KR100902120B1 (en) * 2008-10-15 2009-06-09 주식회사 비에스이 Multi function speaker

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