[go: up one dir, main page]

WO2011059142A1 - Haut-parleur du type a ruban - Google Patents

Haut-parleur du type a ruban Download PDF

Info

Publication number
WO2011059142A1
WO2011059142A1 PCT/KR2010/000879 KR2010000879W WO2011059142A1 WO 2011059142 A1 WO2011059142 A1 WO 2011059142A1 KR 2010000879 W KR2010000879 W KR 2010000879W WO 2011059142 A1 WO2011059142 A1 WO 2011059142A1
Authority
WO
WIPO (PCT)
Prior art keywords
plate
magnet
pole
voice coil
magnetic field
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2010/000879
Other languages
English (en)
Korean (ko)
Inventor
도성환
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSE Co Ltd
Original Assignee
BSE Co Ltd
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 BSE Co Ltd filed Critical BSE Co Ltd
Publication of WO2011059142A1 publication Critical patent/WO2011059142A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction
    • H04R9/047—Construction in which the windings of the moving coil lay in the same plane
    • H04R9/048—Construction in which the windings of the moving coil lay in the same plane of the ribbon type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/024—Manufacturing aspects of the magnetic circuit of loudspeaker or microphone transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

Definitions

  • the present invention relates to a speaker, and more particularly, to a ribbon speaker that can significantly reduce the overall thickness of the speaker, increase driving force, improve the magnetization direction in the horizontal direction, and obtain a low resonance frequency. .
  • the mobile communication terminal outputs a ring tone or melody to inform the user of the mobile communication terminal when a call signal is received from the other party.
  • the ring tone or melody is output through the speaker of the mobile communication terminal.
  • MP3, DMB (Digital Multimedia Broadcasting) service for example, MP3, DMB (Digital Multimedia Broadcasting) service, and various games can be enjoyed through the mobile communication terminal, and the performance of the speaker becomes important.
  • Speakers convert electrical energy into mechanical energy by voice coils between the air gaps, according to Fleming's left-handed law, that a current-carrying conductor is forced when it is in a magnetic field. That is, when a current signal including several frequencies is applied to the voice coil, the voice coil generates mechanical energy according to the strength of the current and the magnitude of the frequency, and generates vibrations in the diaphragm attached to the voice coil. Ultimately, it generates sound pressure of a predetermined magnitude that can be perceived by the human ear. Among these sound pressures, relatively low sound pressures are used to closely adhere to the human ear and are commonly referred to as receivers. In contrast, those with relatively high sound pressure and a certain distance from the human ear are used as speakers. It is called.
  • the magnetic field formed by the magnet and the magnetic field formed by the application of the electric signal to the voice coil interfere with each other to generate magnetic force.
  • the voice coil vibrates by the magnetic force
  • the diaphragm vibrates in conjunction with the voice coil. Sound pressure is generated.
  • the speaker is designed according to Fleming's left-hand law, which is the direction of the magnetic field generated by the magnet (X-axis direction) and the direction of movement of the current by the electric signal applied to the voice coil (Y- or -Y-axis direction).
  • the principle is that the magnetic force F will be generated in the Z-axis or -Z-axis direction when) is perpendicular to each other.
  • the speaker has a cone-shaped cone shape, a flat design with a voice coil directly attached to the diaphragm, a dome type with evenly reproduced sound quality, a directional mixed type for megaphones, and a sophisticated sound quality. Ribbon type, and delicate sound output and small size condenser type, etc. are classified into Woofer, Tweeter, and Mid-Range according to their sound quality.
  • the diaphragm itself is a conductor, not a paper or metal plate, but a thin aluminum film with a slight pleat, like a ribbon, so that the high tone is narrow and short, the middle tone is long, and the low tone is wide and the area is placed in the closest magnetic field of the strong permanent magnet.
  • the ribbon itself becomes a diaphragm to directly generate sound by flowing a current of a voice signal through the dedicated transformer to the ribbon diaphragm. It is used for high or ultra high sound because it can make the weight of vibration system such as vibration plate light.
  • the voice coil of the FPCB type is composed of a movable portion having a circuit pattern formed on the surface and a bridge portion integrally formed on the outside of the movable portion, it is possible to significantly reduce the overall thickness of the speaker,
  • An object of the present invention is to provide a ribbon speaker that can increase driving force, improve the magnetization direction in the horizontal direction, and obtain a low resonance frequency.
  • another object of the present invention is that the first magnet is arranged horizontally with the S pole and the N pole with respect to the first plate and the second plate, and the second magnet is horizontal with the N pole and the S pole with respect to the second plate and the third plate.
  • the strength of the magnetic field generated in the first magnet and the second magnet is increased, thereby improving the operating efficiency and increasing the magnetization area of the first magnet and the second magnet to increase the magnetization area of the first magnet and the second magnet.
  • the present invention provides a ribbon speaker capable of preventing the first magnet and the second magnet from bending or breaking.
  • a ribbon speaker comprises a frame; A diaphragm supported by the frame and vibrating to generate sound pressure; An FPCB type voice coil comprising a bridge portion fixedly connected to a lower portion of the diaphragm, and a movable portion supported by the bridge portion to be movable and having a circuit pattern formed on a surface thereof; A magnet unit forming a magnetic field to interact with a magnetic field formed by the current of the voice coil; And a plate part installed at a position proximate to the movable part of the voice coil to control the flow of a magnetic field of the magnet part and to improve the strength. It includes.
  • the bridge portion serves as a damper for controlling the vibration while helping the vibration of the diaphragm.
  • the plate part is provided with a first plate, a second plate, and a third plate sequentially at equal intervals.
  • the magnet part includes a first magnet located between the first plate and the second plate and a second magnet located between the second plate and the third plate.
  • the first magnet is disposed in the width direction with respect to the first plate and the second plate
  • the second magnet is disposed in the width direction with respect to the second plate and the third plate.
  • the first magnet is arranged in the S pole and the N pole with respect to the first plate and the second plate, and the second magnet is sequentially arranged in the N pole and the S pole with respect to the second plate and the third plate. .
  • the voice coil of the FPCB type is composed of a movable part having a circuit pattern formed on its surface and a bridge part integrally formed on the outer part of the movable part, thereby greatly reducing the overall thickness of the speaker and increasing driving force.
  • the magnetization direction can be improved in the horizontal direction, and a low resonance frequency can be obtained.
  • the present invention is that the first magnet is arranged horizontally in the S pole and the N pole with respect to the first plate and the second plate, and the second magnet is arranged horizontally in the N pole and the S pole with respect to the second plate and the third plate.
  • the strength of the magnetic field generated in the first magnet and the second magnet is increased to improve the operating efficiency, and also increase the magnetization area of the first magnet and the second magnet to increase the magnetization area during the magnetization process of the first magnet and the second magnet. The problem that the first magnet and the second magnet are bent or broken can be solved.
  • FIG. 1 is an exploded perspective view showing a ribbon speaker according to the present invention.
  • FIG. 2 is a plan view of FIG.
  • FIG. 3 is a side view of FIG. 1;
  • FIG. 4 is a front view of FIG. 1;
  • FIG. 5 is a longitudinal sectional view taken along the line I-I of FIG. 1;
  • FIG. 6 is a longitudinal cross-sectional view taken along line II-II of FIG. 1;
  • FIG. 7 is a plan view showing the voice coil of FIG.
  • FIG. 1 is an exploded perspective view showing a ribbon speaker according to the present invention
  • FIG. 2 is a plan view of FIG. 1
  • FIG. 3 is a side view of FIG. 1
  • FIG. 4 is a front view of FIG. 1
  • FIG. 6 is a longitudinal sectional view taken along line II-II of FIG. 1
  • FIG. 7 is a plan view showing the voice coil of FIG.
  • the ribbon speaker 100 comprises a frame 110; A diaphragm 120 supported by the frame 110 to vibrate to generate sound pressure; FPCB type flexible printed circuit including a bridge portion 131 fixedly connected to a lower portion of the diaphragm 120 and a movable portion 133 supported by the bridge portion 131 so as to be movable and having a circuit pattern formed on a surface thereof.
  • Voice coil 130 of the board A magnet part 140 forming a magnetic field to interact with a magnetic field formed by the current of the voice coil 130; And a plate part 150 installed at a position close to the movable part 133 of the voice coil 130 to control the flow of the magnetic field of the magnet part 140 and to improve the strength.
  • the frame 110 may be referred to as the skeleton of the speaker unit and is a part for fixing the speaker unit as a whole.
  • the diaphragm 120 is called a diaphram and is configured to vibrate up and down to generate sound pressure.
  • Two magnetic fields are required to reproduce the sound by the movement of the diaphragm 120.
  • One of them is generated by the magnet unit 140, and the other is formed by the current flowing through the voice coil 130.
  • the strength of the magnetic field coming out of the magnet unit 140 is always constant. Therefore, the frequency and sound pressure change of the sound reproduced by the speaker is adjusted to the change of the current (or voltage) value flowing through the voice coil 130.
  • the voice coil 130 of the FPCB type is positioned below the diaphragm 120 to vibrate the diaphragm 120, and includes a movable part 133 having a circuit pattern formed on a surface of the movable part 133 and the movable part 133. It is composed of a bridge portion 131 integrally formed on the outside.
  • the bridge portion 131 is formed by forming a slot hole (H: FIG. 7) in an outer portion of the voice coil 130, and serves to elastically support the movable portion 133 and the diaphragm 120. It is fixed to the lower part.
  • the bridge portion 131 serves as a damper for controlling the vibration while helping the vibration of the diaphragm 120.
  • the damper is supported at the correct position in the magnetic gap like an edge, and not only facilitates the vertical movement of the voice coil 130 and the diaphragm 120, but also has a deep relationship with high power and high quality reproduction.
  • the bridge portion 131 serves to elastically support the movable portion 133.
  • the bridge portion 131 may be modified in various ways.
  • the magnet unit 140 is formed of a plurality of magnetic fields so as to interact with the magnetic field formed by the current of the voice coil 130, and is coupled to the plate unit 150.
  • the plate part 150 serves as a path through which magnetic force passes, and uses a dielectric such as iron, and the first plate 151, the second plate 152, and the third plate 153 are sequentially spaced at equal intervals. Is installed.
  • the magnet part 140 is positioned between the first magnet 141 located between the first plate 151 and the second plate 152 and between the second plate 152 and the third plate 153. It is composed of a second magnet 142.
  • the first magnet 141 is disposed in the width direction with respect to the first plate 151 and the second plate 152
  • the second magnet 142 is the second plate 152 and the third
  • the plate 153 is disposed in the width direction.
  • the first magnet 141 is horizontally arranged with the S pole and the N pole with respect to the first plate 151 and the second plate 152, and the second magnet 142 is connected with the second plate 152.
  • the third plate 153 is horizontally arranged in the N pole and the S pole.
  • the FPCB type voice coil 130 is a bridge portion formed integrally with the movable portion 133 and the outer portion of the movable portion 133 having a circuit pattern formed on the surface thereof.
  • the overall thickness of the speaker can be greatly reduced, the driving force can be increased, the horizontal direction can be improved in the magnetization direction, and a low resonance frequency can be obtained.
  • first magnet 141 is disposed in the width direction with respect to the first plate 151 and the second plate 152
  • second magnet 142 is the second plate 152 and the first It is arrange
  • the first magnet 141 is horizontally arranged with the S pole and the N pole with respect to the first plate 151 and the second plate 152, and the second magnet 142 is the second plate 152.
  • the third plate 153 are horizontally arranged in the N pole and the S pole, thereby increasing the strength of the magnetic field generated in the first magnet 141 and the second magnet 142, thereby improving operating efficiency.
  • the magnetization area of the first magnet 141 and the second magnet increases to increase the magnetization area of the first magnet 141 and the second magnet 142 during the magnetization process of the first magnet 141 and the second magnet 142.
  • 2 magnet 142 can be solved the problem of bending or damage.
  • the present invention can greatly reduce the overall thickness of the speaker, increase the driving force, improve the magnetization direction in the horizontal direction, and can obtain a low resonance frequency, there is a significant industrial applicability.

Landscapes

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

Abstract

L'invention concerne un haut-parleur du type à ruban, dans lequel un type FPCB de bobine acoustique comprend une partie mobile dotée d'une surface sur laquelle un motif de circuit est formé, et une partie de pont formée d'une seule pièce sur le périmètre extérieur de la partie mobile, de telle sorte que l'épaisseur totale du haut-parleur peut être sensiblement réduite, la puissance d'entraînement peut être augmentée, la direction de magnétisation peut être améliorée dans la direction horizontale et une basse fréquence de résonance peut être obtenue.
PCT/KR2010/000879 2009-11-10 2010-02-11 Haut-parleur du type a ruban Ceased WO2011059142A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2009-0108328 2009-11-10
KR1020090108328A KR20110051642A (ko) 2009-11-10 2009-11-10 리본형 스피커

Publications (1)

Publication Number Publication Date
WO2011059142A1 true WO2011059142A1 (fr) 2011-05-19

Family

ID=43991787

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2010/000879 Ceased WO2011059142A1 (fr) 2009-11-10 2010-02-11 Haut-parleur du type a ruban

Country Status (2)

Country Link
KR (1) KR20110051642A (fr)
WO (1) WO2011059142A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013097330A1 (fr) * 2011-12-30 2013-07-04 歌尔声学股份有限公司 Haut-parleur à bobine mobile miniature
CN110933570A (zh) * 2019-12-13 2020-03-27 歌尔股份有限公司 发声装置和电子设备

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101142255B1 (ko) * 2010-08-16 2012-05-07 주식회사 이엠텍 장방형 박막 스피커
KR101345367B1 (ko) * 2012-05-03 2013-12-30 주식회사 이엠텍 음향변환장치용 진동판
KR101351892B1 (ko) * 2012-05-18 2014-01-22 주식회사 이엠텍 음향변환장치
KR101415755B1 (ko) * 2012-06-14 2014-07-09 주식회사 이엠텍 음압 조절 기능을 지닌 음향변환장치
KR101460431B1 (ko) * 2013-01-23 2014-11-12 부전전자 주식회사 전자기 댐핑 기능을 갖는 전자음향변환기
WO2017030238A1 (fr) * 2015-08-18 2017-02-23 주식회사 수콘 Haut-parleur
KR101727429B1 (ko) * 2016-03-16 2017-04-14 주식회사 수콘 휴대단말기 스피커용 인쇄회로기판형 진동장치

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003009283A (ja) * 2001-06-18 2003-01-10 Sony Corp 平面スピーカおよび平面スピーカを有する電子機器
KR20030074714A (ko) * 2001-01-26 2003-09-19 소니온키르크 에이/에스 전기 음향 변환기
KR20040035762A (ko) * 2001-09-11 2004-04-29 소니온키르크 에이/에스 2개의 진동판을 구비한 전기 음향 변환기
KR100640225B1 (ko) * 2004-06-07 2006-10-31 주식회사 진영음향 마이크로 스피커용 진동 모듈 및 이를 이용한 마이크로스피커

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030074714A (ko) * 2001-01-26 2003-09-19 소니온키르크 에이/에스 전기 음향 변환기
JP2003009283A (ja) * 2001-06-18 2003-01-10 Sony Corp 平面スピーカおよび平面スピーカを有する電子機器
KR20040035762A (ko) * 2001-09-11 2004-04-29 소니온키르크 에이/에스 2개의 진동판을 구비한 전기 음향 변환기
KR100640225B1 (ko) * 2004-06-07 2006-10-31 주식회사 진영음향 마이크로 스피커용 진동 모듈 및 이를 이용한 마이크로스피커

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013097330A1 (fr) * 2011-12-30 2013-07-04 歌尔声学股份有限公司 Haut-parleur à bobine mobile miniature
US9344804B2 (en) 2011-12-30 2016-05-17 Goertek Inc. Miniature moving-coil speaker
CN110933570A (zh) * 2019-12-13 2020-03-27 歌尔股份有限公司 发声装置和电子设备
WO2021115031A1 (fr) * 2019-12-13 2021-06-17 歌尔股份有限公司 Appareil de production de son et dispositif électronique
CN110933570B (zh) * 2019-12-13 2021-11-16 歌尔股份有限公司 发声装置和电子设备

Also Published As

Publication number Publication date
KR20110051642A (ko) 2011-05-18

Similar Documents

Publication Publication Date Title
WO2011059142A1 (fr) Haut-parleur du type a ruban
WO2019098487A1 (fr) Haut-parleur hybride
WO2010150941A1 (fr) Haut-parleur miniature multifonction
WO2010131797A1 (fr) Micro haut-parleur multifonction
WO2010150942A1 (fr) Haut-parleur miniature multifonction
WO2018093043A1 (fr) Haut-parleur hybride
WO2010128714A1 (fr) Micro haut-parleur multifonctionnel
WO2010131796A1 (fr) Micro haut-parleur multifonction
WO2012108581A1 (fr) Microphone haut-parleur multifonction
CN118843051A (zh) 发声装置和电子设备
WO2018128325A1 (fr) Haut-parleur électromagnétique ultra-mince à haute résolution utilisant un procédé de bord de pont
KR100540289B1 (ko) 음향 진동 복합 모드의 다이나믹 마이크로 스피커
WO2011059144A1 (fr) Haut-parleur électrostatique
KR100394321B1 (ko) 폴더형 이동통신 단말기용 양방향 스피커
CN118474597A (zh) 发声单体和电子设备
WO2011021745A1 (fr) Haut-parleur miniature multifonction
EP1799010B1 (fr) Dispositif acoustique et dispositif de conversation téléphonique
CN102300147A (zh) 放大器安装型微型扬声器
WO2011030968A1 (fr) Micro haut-parleur multifonctionnel
WO2011083959A2 (fr) Haut-parleur multifonctionnel
WO2011059143A1 (fr) Haut-parleur du type a ruban
WO2011083914A2 (fr) Mini haut-parleur multifonctionnel rectangulaire
WO2011083988A2 (fr) Micro-haut-parleur multifonctionnel
CN118678270A (zh) 发声装置和电子设备
WO2012005433A2 (fr) Micro-haut-parleur multifonctions

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10830075

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 10830075

Country of ref document: EP

Kind code of ref document: A1