WO2014137010A1 - Haut-parleur de type plaque comprenant une plaque de vibration formée d'un seul bloc en pellicule acoustique - Google Patents

Haut-parleur de type plaque comprenant une plaque de vibration formée d'un seul bloc en pellicule acoustique Download PDF

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Publication number
WO2014137010A1
WO2014137010A1 PCT/KR2013/001870 KR2013001870W WO2014137010A1 WO 2014137010 A1 WO2014137010 A1 WO 2014137010A1 KR 2013001870 W KR2013001870 W KR 2013001870W WO 2014137010 A1 WO2014137010 A1 WO 2014137010A1
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WO
WIPO (PCT)
Prior art keywords
voice
voice coil
pcb
fpcb
diaphragm
Prior art date
Application number
PCT/KR2013/001870
Other languages
English (en)
Korean (ko)
Inventor
김동만
Original Assignee
주식회사 엑셀웨이
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 주식회사 엑셀웨이 filed Critical 주식회사 엑셀웨이
Priority to PCT/KR2013/001870 priority Critical patent/WO2014137010A1/fr
Publication of WO2014137010A1 publication Critical patent/WO2014137010A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/06—Arranging circuit leads; Relieving strain on circuit leads
    • 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
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • 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
    • 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
    • H04R9/063—Loudspeakers using a plurality of acoustic drivers

Definitions

  • the present invention relates to a flat panel speaker, and more particularly to a flat panel speaker using a PCB or FPCB itself as a diaphragm.
  • the speaker includes a voice coil and a diaphragm interposed between the magnets, and generates sound by vibrating the diaphragm by the movement of the voice coil.
  • magnets are arranged at regular intervals on both sides of the flat voice coil and its sides to generate organic electromotive force according to Flaming's left-hand law and Lorentz's principle, forming a frequency according to the voice, and the frequency vibrates the diaphragm Is reproduced.
  • the voice coil is spirally wound or printed in an elliptical shape on one side or both sides of a plate-shaped coil base to form a voice coil plate.
  • the vibration plate is attached to the upper end of the voice coil plate in the longitudinal direction, and the vibration plate vibrates according to the movement of the voice coil plate to generate sound.
  • a voice coil may be used by winding a coil, but recently, a pattern is printed by a printed circuit board (PCB) or a flexible printed circuit board (FPCB) according to the slimming of a speaker.
  • PCB printed circuit board
  • FPCB flexible printed circuit board
  • the voice coil plate is arranged between the magnets to flow a current through the voice coil to form a magnetic circuit structure to generate organic electromotive force between the voice coil and the pair of magnets, wherein the voice coil plate is a pair of magnets It is positioned in the vertical form in between.
  • the vertically formed voice coil plate and a pair of magnet structures formed on both sides of the voice coil plate are structurally problematic in slimming flat panel speakers.
  • An object of the present invention for solving the above-mentioned conventional problems is to develop an ultra-thin speaker by forming a PCB or FPCB voice film integrally with the diaphragm.
  • a flat panel speaker including a PB voice film integrated diaphragm includes a magnetic body including one magnet, a yoke plate magnetized with different polarities on upper and lower surfaces of the magnet, and a voice.
  • a coil is pattern-printed in the form of a track, and is positioned above the magnetic body, and the magnet is positioned inside the track pattern of the voice coil to form a magnetic circuit and has a function of a diaphragm (FPCB) or PCB (Flexible Printed Circuit Board).
  • FPCB diaphragm
  • PCB Flexible Printed Circuit Board
  • the flat-panel speaker provided with a PCB voice film integrated diaphragm includes a magnetic body in which a yoke plate is formed on the upper and lower surfaces of 2n (n is a positive integer) magnets, and a voice arranged horizontally in 2n multi-layers.
  • the coil is pattern-printed in the form of a track, and is positioned on top of the magnetic body, and each of the magnets is formed of a printed circuit board (PCB) having a function of a diaphragm while constituting a magnetic circuit by forming the magnetic circuit. It is possible to realize an ultra-slim flat panel speaker.
  • PCB printed circuit board
  • the flat-panel speaker provided with a PCB voice film integrated diaphragm includes a magnetic body in which a yoke plate is formed on the upper and lower surfaces of 2n (n is a positive integer) magnets, and a voice arranged horizontally in 2n multi-layers.
  • a coil is pattern-printed in the form of a track, and is positioned on top of the magnetic body, and each of the magnets is positioned inside the track pattern of the voice coil to form a magnetic circuit, which functions as a flexible printed circuit board (FPCB) having a function of a diaphragm. It is possible to implement ultra-slim flat panel speakers.
  • FPCB flexible printed circuit board
  • the lead wires of the + and-terminals of the voice coil may be integrally formed in the FPCB.
  • the cover film is further laminated on the upper surface of the FPCB can be implemented to improve the characteristics of the diaphragm and sound.
  • the current flowing through the voice coil may be implemented to flow in a constant direction at a right angle to the direction of the magnetic field as a precondition for implementing the present invention.
  • the PCB or FPCB voice film is formed integrally with the diaphragm to develop and manufacture an ultra-thin speaker, thereby contributing to maximizing the productivity and quality of the flat speaker.
  • FIG. 1 is a perspective view of a first structure of a flat panel speaker having a PB voice film integrated diaphragm according to the present invention.
  • FIG. 2 is a plan view and a side view of a first structure of a flat panel speaker equipped with a PCB voice film integrated diaphragm according to the present invention.
  • FIG 3 is a perspective view of a second structure of a flat panel speaker having a PB voice film integrated diaphragm according to the present invention.
  • FIG. 4 is a plan view and a side view of a second structure of a flat panel speaker having a PB voice film integrated diaphragm according to the present invention.
  • Fig. 5 is a perspective view of a third structure of a flat panel speaker having a PB voice film integrated diaphragm according to the present invention.
  • FIG. 6 is a plan view and a side view of a third structure of a flat panel speaker having a PB voice film integrated diaphragm according to the present invention.
  • FIG. 7 is a fourth structural diagram of a flat speaker provided with a PB voice film integrated diaphragm according to the present invention.
  • the first structure of a flat panel speaker having a PB voice film integrated diaphragm according to the present invention is an example of a structure using one magnet and one voice film
  • the second structure is an example using a PCB (Printed Circuit Board)
  • the third structure is an example using a flexible printed circuit board (FPCB)
  • the fourth structure is an example using an FPCB and a film cover.
  • FIG. 1 is a perspective view of a first structure of a flat panel speaker provided with a PCB voice film integrated diaphragm according to the present invention
  • Fig. 2A is a plan view
  • Fig. 2B is a side view.
  • the flat speaker 100 having a PB voice film integrated diaphragm according to the present invention is a diaphragm 103 consisting of FPCB or PCB 101 and the edge 102, and a magnet It comprises a magnetic body 106 formed by the 104 and the yoke plate 105, and an enclosure (not shown) including and forming them.
  • the first structure of FIG. 1 has a structure in which one voice coil 107 is pattern-printed in a track shape and one magnet 104 is disposed below it.
  • the FPCB or PCB 101 itself serves as a diaphragm, and the voice coil 107 is pattern-printed in a track form on the FPCB or PCB 101.
  • the voice coil 107 is printed in track type and may be printed on one or both sides of the FPCB or PCB 101.
  • An edge 102 for increasing the vibration efficiency of the diaphragm may be further formed at the edge of the FPCB or the PCB 101, and in the case of the FPCB, a lead wire for electrically connecting both terminals of the voice coil 107 using the characteristics thereof. 5 and 6 may be formed to be drawn out of the diaphragm 103, and in the case of a PCB, lead terminals 108a and 108b for electrically connecting both terminals of the voice coil 107 may be formed. Can be formed on one side.
  • One end 109a of the voice coil 107 is common to one lead terminal 108a or lead wire, and the other end 110a is common to the other lead terminal 108b or lead wire.
  • a magnetic body 106 is arranged under the diaphragm 103.
  • the magnetic body 106 is composed of a magnet 104 and a yoke plate 105.
  • the voice coil 107 and the magnetic body 106 are formed so that the magnet 104 is located in the track-shaped inner portion (unpatterned portion) of the voice coil 107 to constitute a magnetic circuit.
  • the magnet 104 is located inside the track shape of the voice coil 107.
  • portions of the voice coil 107 without the pattern printed circuit are indicated by dotted lines, and the magnets 104 are disposed therebetween.
  • Yoke plates 105 are formed on the top, bottom, left, and right sides of the magnet 104, and are magnetized to have different polarities between the top, bottom, and adjacent sides.
  • Fig. 3 is a perspective view of a second structure of a flat panel speaker equipped with a PCB voice film integrated diaphragm according to the present invention
  • Fig. 4A is a plan view
  • Fig. 4B is a side view.
  • the flat speaker 200 having the PB voice film integrated diaphragm according to the present invention includes a diaphragm 203 including a PCB (Printed Circuit Board) 201 and an edge 202. And a magnetic body 206 formed by the magnet 204 and the yoke plate 205, and an enclosure (not shown) including and forming them.
  • PCB Print Circuit Board
  • the PCB 201 itself serves as a diaphragm, and a voice coil 207 is printed on the PCB 201.
  • the voice coil 207 is printed in a track type and may be printed on one or both sides of the PCB 201.
  • An edge 202 may be further formed at the edge of the PCB 201 to increase the vibration efficiency of the diaphragm, and the PCB 201 may have lead terminals 208a and 208b for electrically connecting both terminals of the voice coil 207. Is formed on one side.
  • One end 209a, 209b of each of the voice coils 207 is common to one lead terminal 208a, and each other end 210a, 210b is common to the other lead wire 208b.
  • a magnetic body 206 is arranged under the diaphragm 203.
  • the magnetic body 206 is composed of a magnet 204 and a yoke plate 205, and the magnets 204 are arranged such that NS poles between neighboring magnets have the same polarity.
  • the voice coil 207 and the magnetic body 206 form a magnetic circuit so that each magnet 204 is formed so as to be located at an unpatterned portion inside or in the track shape of the voice coil 207.
  • each magnet 204 is located in the inner portion of the track shape without the pattern printed circuit of the voice coil 207.
  • portions of the voice coil 207 without the pattern-printed circuit are indicated by dotted lines, and the magnets 204 are disposed therebetween.
  • Yoke plates 205 are formed on the top, bottom, left, and right sides of the magnet 204, and magnetized to have different polarities between the top, bottom, and adjacent sides.
  • One yoke plate 205 is formed per one magnet 204 and the yoke plate is formed in a 'c' shape to illustrate magnetized S-pole-N-pole as an example, but is not limited thereto. It is not necessary to make the polarity between the upper and lower sides adjacent to each other, but the shape structure will not matter.
  • the voice coil 207 is preferably printed with a multilayer voice coil with an even number of 2n (n is a positive integer), and the number of magnets 204 is also 2n depending on the number of multilayers of the voice coil 207. Even numbers can be matched.
  • the magnetic circuit is arranged up and down unlike before, in order to maximize the magnetic field efficiency, the number of voice coils 207 and the number of magnets 204 in 1: 1 are arranged, in particular when the even number of multilayers This is to derive the maximum magnetic field in the magnetic circuit of the structure to increase the efficiency of the sound energy.
  • the current flowing through the voice coil 207 is perpendicular to the direction of the magnetic field so as to flow in a constant direction.
  • FIG. 5 is a perspective view of a third structure of a flat panel speaker having a PB voice film integrated diaphragm according to the present invention
  • FIG. 6A is a plan view of a third structure
  • FIG. 6B is a third structure Side view.
  • the flat speaker 300 having the PB voice film integrated diaphragm according to the present invention includes a diaphragm 303 including a flexible printed circuit board (FPCB) 301 and an edge 302. And a magnetic body 306 formed by the magnet 304 and the yoke plate 305, and an enclosure (not shown) including and forming them.
  • FPCB flexible printed circuit board
  • the FPCB 301 itself serves as a diaphragm, and a voice coil 307 is printed on the FPCB 301.
  • the voice coil 307 is printed in a track type and may be printed on one or both sides of the FPCB 301.
  • An edge 302 may be further formed at an edge of the FPCB 301 to increase vibration efficiency of the diaphragm, and lead wires 308a for electrically connecting both terminals of the voice coil 307 using the characteristics of the FPCB 301 may be provided. , 308b) is formed to be drawn outward.
  • One end 309a, 309b of each of the voice coils 307 is common to one lead wire 308a, and the other end 310a, 310b is common to the other lead wire 308b.
  • a magnetic body 306 is arranged below the diaphragm 303 or the FPCB 301.
  • the magnetic body 306 is composed of the magnet 304 and the yoke plate 305, the magnet 304 is arranged so that the NS pole between neighboring magnets have the same polarity.
  • the voice coil 307 and the magnetic body 306 form a magnetic circuit so that the magnets 304 are each formed in an inner portion of the track shape of the voice coil 307.
  • Yoke plates 305 are formed on the top, bottom, left, and right sides of the magnet 304, and magnetized to have different polarities between the top, bottom, and adjacent sides.
  • the voice coil 307 is preferably printed as a multilayer voice coil with an even number of 2n (n is a positive integer), and the even number of magnets 304 is even according to the number of multilayers of the voice coil 307. It is preferable to correspond by the number of.
  • the current direction flowing through the voice coil 307 is perpendicular to the direction of the magnetic field to flow in a constant direction.
  • the flat panel speaker according to the present invention is a printed circuit board printed with the FPCB-type coil coil is not connected to the diaphragm, it can act as a vibration plate itself, it is possible to implement the ultra-slim speaker.
  • FPCB is used as the diaphragm itself, and it becomes possible to pattern-print the + and-lead wires of a voice coil integrally using the FPCB characteristic.
  • FIG. 7 is a fourth structural diagram of a flat speaker provided with a PB voice film integrated diaphragm according to the present invention.
  • the fourth structure of FIG. 7 is the same as the third structure of FIG. 6, and has a structure in which a film 401 is laminated on the upper surface of the FPCB 403 having the function of only a diaphragm at the same time.
  • Film 401 can be implemented in a variety of materials, such as paper, pulp, carbon, plastic, and the film 401 on the surface having a PCB and diaphragm function can be laminated to vary the change in the sound ringing vibration from the diaphragm, The quality of sound energy can be improved.

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

Abstract

La présente invention concerne un haut-parleur de type plaque, et plus spécifiquement un haut-parleur de type plaque dans lequel une carte de circuit imprimé (PCB) ou une carte de circuit imprimé flexible (FPCB) sert de plaque de vibration. Le haut-parleur de type plaque comprenant une plaque de vibration formée d'un seul bloc en pellicule acoustique en PCB, selon la présente invention, comprend : un aimant ; un corps magnétique comprenant des plaque de culasse disposées sur les surfaces supérieure et inférieure de l'aimant et magnétisées de manière à avoir des polarités différentes ; et la FPCB ou la PCB sur laquelle est imprimée une bobine acoustique sous forme d'un motif de piste, la FPCB ou la PCB étant positionnée au-dessus du corps magnétique, et l'aimant étant agencé à l'intérieur du motif de piste de la bobine acoustique afin de former un circuit magnétique de sorte que la FPCB ou la PCB tienne lieu de plaque de vibration, permettant ainsi d'obtenir un haut-parleur de type plaque ultramince.
PCT/KR2013/001870 2013-03-07 2013-03-07 Haut-parleur de type plaque comprenant une plaque de vibration formée d'un seul bloc en pellicule acoustique WO2014137010A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2013/001870 WO2014137010A1 (fr) 2013-03-07 2013-03-07 Haut-parleur de type plaque comprenant une plaque de vibration formée d'un seul bloc en pellicule acoustique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2013/001870 WO2014137010A1 (fr) 2013-03-07 2013-03-07 Haut-parleur de type plaque comprenant une plaque de vibration formée d'un seul bloc en pellicule acoustique

Publications (1)

Publication Number Publication Date
WO2014137010A1 true WO2014137010A1 (fr) 2014-09-12

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Application Number Title Priority Date Filing Date
PCT/KR2013/001870 WO2014137010A1 (fr) 2013-03-07 2013-03-07 Haut-parleur de type plaque comprenant une plaque de vibration formée d'un seul bloc en pellicule acoustique

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020029659A1 (fr) * 2018-08-05 2020-02-13 瑞声声学科技(深圳)有限公司 Dispositif de production vocale
CN111869235A (zh) * 2018-02-06 2020-10-30 金东万 具有多层及双轨道的可动线圈的平板型扬声器
CN112822572A (zh) * 2019-11-18 2021-05-18 彭建飞 一种迷宫式平板超薄音箱
CN113490119A (zh) * 2021-05-20 2021-10-08 汉得利（常州）电子股份有限公司 一种音膜组、贴合治具、制作方法及发声器件

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001309486A (ja) * 2000-04-24 2001-11-02 Ado Union Kenkyusho:Kk 電気―磁気音響変換器
JP2004364247A (ja) * 2002-12-27 2004-12-24 Matsushita Electric Ind Co Ltd 電気音響変換器および電子機器
JP2005102166A (ja) * 2003-08-19 2005-04-14 Matsushita Electric Ind Co Ltd スピーカ
KR100547357B1 (ko) * 2004-03-30 2006-01-26 삼성전기주식회사 휴대단말기용 스피커 및 그 제조방법
JP2009055602A (ja) * 2007-07-30 2009-03-12 Panasonic Corp 電気音響変換器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001309486A (ja) * 2000-04-24 2001-11-02 Ado Union Kenkyusho:Kk 電気―磁気音響変換器
JP2004364247A (ja) * 2002-12-27 2004-12-24 Matsushita Electric Ind Co Ltd 電気音響変換器および電子機器
JP2005102166A (ja) * 2003-08-19 2005-04-14 Matsushita Electric Ind Co Ltd スピーカ
KR100547357B1 (ko) * 2004-03-30 2006-01-26 삼성전기주식회사 휴대단말기용 스피커 및 그 제조방법
JP2009055602A (ja) * 2007-07-30 2009-03-12 Panasonic Corp 電気音響変換器

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111869235A (zh) * 2018-02-06 2020-10-30 金东万 具有多层及双轨道的可动线圈的平板型扬声器
CN111869235B (zh) * 2018-02-06 2022-05-10 金东万 具有多层及双轨道的可动线圈的平板型扬声器
WO2020029659A1 (fr) * 2018-08-05 2020-02-13 瑞声声学科技(深圳)有限公司 Dispositif de production vocale
CN112822572A (zh) * 2019-11-18 2021-05-18 彭建飞 一种迷宫式平板超薄音箱
CN113490119A (zh) * 2021-05-20 2021-10-08 汉得利（常州）电子股份有限公司 一种音膜组、贴合治具、制作方法及发声器件
CN113490119B (zh) * 2021-05-20 2023-02-21 汉得利（常州）电子股份有限公司 一种音膜组、贴合治具、制作方法及发声器件

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