WO2020248194A1 - Haut-parleur - Google Patents

Haut-parleur Download PDF

Info

Publication number
WO2020248194A1
WO2020248194A1 PCT/CN2019/091123 CN2019091123W WO2020248194A1 WO 2020248194 A1 WO2020248194 A1 WO 2020248194A1 CN 2019091123 W CN2019091123 W CN 2019091123W WO 2020248194 A1 WO2020248194 A1 WO 2020248194A1
Authority
WO
WIPO (PCT)
Prior art keywords
metal ring
diaphragm
main body
vibration
connecting portion
Prior art date
Application number
PCT/CN2019/091123
Other languages
English (en)
Chinese (zh)
Inventor
肖波
令狐荣林
刘晓东
Original Assignee
瑞声声学科技(深圳)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 瑞声声学科技(深圳)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Publication of WO2020248194A1 publication Critical patent/WO2020248194A1/fr

Links

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
    • H04R9/025—Magnetic circuit
    • 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
    • H04R2400/00—Loudspeakers
    • H04R2400/11—Aspects regarding the frame of loudspeaker transducers

Definitions

  • the invention relates to the technical field of electro-acoustic conversion, in particular to a loudspeaker.
  • speakers With the rapid development of technology, the popularity of speakers is getting higher and higher. People's requirements for speakers are not only limited to the playback of video and audio, but also have higher requirements for the sound quality and reliability of the sound played by the speakers.
  • the speakers are directly related to The sound quality of the playback sound is good or bad and the product is stable.
  • the diaphragm in the loudspeaker is usually glued to each other with a plastic frame to fix the edge of the diaphragm.
  • the part where the plastic frame and the edge of the diaphragm are glued to each other is made of plastic.
  • the width of the glued part between the plastic frame and the edge of the diaphragm is usually increased to enlarge the frame and the edge of the diaphragm. The glued area between, but will reduce the width of the ring on the diaphragm, which affects the audio performance of the product.
  • the purpose of the present invention is to provide a loudspeaker, which aims to solve the problem that the direct bonding of the diaphragm in the prior art loudspeaker with the plastic frame will affect the audio performance.
  • a speaker includes a basin frame with a storage space, and a magnetic circuit system and a vibration system housed in the basin frame, the vibration system including a diaphragm and driving the vibration
  • the diaphragm includes a vibrating portion and a fixing portion extending from an edge of the vibrating portion, the fixing portion is fixed to the basin frame, the vibrating portion is fixed to the voice coil
  • the basin The frame includes a main body part and a metal ring mounted on a side of the main body part close to the diaphragm.
  • the metal ring is located between the main body part and the diaphragm, and the fixing part includes an edge of the vibration part.
  • a first connecting portion connected and a second connecting portion bent and extended from the first connecting portion toward the metal ring, the metal ring including a first fixing surface that abuts against and fixes the first connecting portion, and A second fixing surface that is attached and fixed to the second connecting portion.
  • the main body portion includes a support portion opposite to the first connecting portion, the support portion supports the metal ring, the support portion is formed with a protrusion extending in the direction of the diaphragm, and the metal ring It is sleeved on the outer periphery of the protrusion.
  • the supporting portion extends in the direction of the diaphragm to form a clamping portion spaced apart from the protruding portion, and a accommodating portion for accommodating and installing the metal ring is formed between the clamping portion and the protruding portion groove.
  • the second connecting portion is sandwiched between the metal ring and the clamping portion.
  • first fixing surface is glued and fixed to the first connecting portion
  • second fixing surface is glued and fixed to the second fixing portion
  • the main body portion further includes an extension post extending from an end of the support portion away from the diaphragm toward a direction away from the metal ring, and the metal ring extends on a side away from the diaphragm to form an attachment A metal extension piece on the outside of the extension column.
  • the metal ring, the metal extension piece, and the main body part are injection-molded into one body, a positioning hole is formed through the metal extension piece, and the extension post is correspondingly formed to extend into the positioning hole.
  • the magnetic circuit system includes a magnetic yoke corresponding to the extension column and a magnetic steel assembly fixed on the magnetic yoke, the magnetic steel assembly has a magnetic gap, and one end of the voice coil away from the vibration part Extend into the magnetic gap.
  • the vibrating part includes a dome and a folding ring connected between the dome and the fixing part, the folding ring is an arc-shaped structure protruding in a direction away from the basin frame, the The voice coil is connected to the dome.
  • the magnetic steel assembly includes a main magnetic steel corresponding to the dome, a secondary magnetic steel spaced apart from the main magnetic steel, and a side of the secondary magnetic steel that is stacked on the side away from the yoke and connected to The auxiliary magnetic steel to which the metal ring is attached.
  • the magnetic circuit system also includes an upper clamping plate stacked on the side of the auxiliary magnetic steel away from the yoke, and the auxiliary magnetic steel is located on the side of the upper clamping plate away from the voice coil.
  • the upper splint is integrally formed with the main body part.
  • the material of the main body is plastic, and the metal ring is a steel ring.
  • the metal ring is installed on the side of the main body of the basin frame close to the diaphragm, and the first fixing surface on the metal ring and the first connecting portion on the fixing portion of the diaphragm are used to abut against each other and fixed.
  • the second fixing surface of the diaphragm and the second connecting portion on the fixing portion of the diaphragm are attached and fixed to each other, so that the fixing portion of the diaphragm can be stably fixed on the metal ring, and the rigidity of the metal ring is used to ensure the overall strength, so that the It is necessary to increase the width of the first connecting part on the fixed part to realize the bonding that meets the strength requirements, thereby increasing the vibration space of the vibrating part while ensuring the reliability and overall strength of the product, so as to improve the audio performance of the product, and It can improve the performance of the product such as drop resistance and extrusion resistance.
  • FIG. 1 is a schematic diagram of the overall structure of a speaker provided by an embodiment of the present invention
  • FIG. 2 is a schematic diagram of an exploded structure of the speaker shown in FIG. 1;
  • Fig. 3 is a schematic sectional view of the structure taken along the A-A direction in Fig. 1;
  • FIG. 4 is a schematic diagram of the enlarged structure of area B in FIG. 3.
  • the speaker includes a basin frame 1 with a storage space and a magnetic circuit system 3 and a vibration system 4 housed in the basin frame 1.
  • the vibration system 4 includes a diaphragm 41 and a voice coil 42 that drives the diaphragm 41 to vibrate.
  • the diaphragm 41 It includes a vibration part 411 and a fixing part 412 extending from the edge of the vibration part 411.
  • the fixing part 412 is fixed to the basin frame 1, and the vibration part 411 is fixed to the voice coil 42.
  • the basin frame 1 includes a main body 11 and a metal ring 12 installed on the side of the main body 11 close to the diaphragm 41.
  • the metal ring 12 is located between the main body 11 and the diaphragm 41.
  • the main body 11 The material of is plastic, and the metal ring 12 is a steel ring.
  • the fixing portion 412 includes a first connecting portion 4121 connected to the edge of the vibrating portion 411 and a second connecting portion 4122 bent and extended from the first connecting portion 4121 toward the metal ring 12.
  • the metal ring 12 includes Abut against and fix the first fixing surface 121 of the first connecting portion 4121 and the second fixing surface 122 attached and fixed to the second connecting portion 4122, so as to utilize the first fixing surface 121 of the metal ring 12 and the first fixing surface 121 of the diaphragm 41
  • a connecting portion 4121 is glued and fixed and the second fixing surface 122 of the metal ring 12 is glued and fixed with the second connecting portion 4122 on the diaphragm 41.
  • first fixing surface 121 and the first connecting portion 4121 are glued by glue Gluing and fixing
  • second fixing surface 122 and the second fixing portion 122 are also glued and fixed by glue, so that the metal ring 12 can form a stable connection with the fixing portion 412 on the diaphragm 41 and ensure the connection strength of the diaphragm 41.
  • the main body portion 11 includes a supporting portion 111 opposite to the first connecting portion 4121, the supporting portion 111 supports the metal ring 12, the supporting portion 111 is formed with a protrusion 112 extending in the direction of the diaphragm, and the metal ring 12 is sleeved on The outer circumference of the protruding portion 112 enables the metal ring 12 to be stably fixed to the supporting portion 111.
  • the supporting portion 111 extends in the direction of the diaphragm to form a clamping portion 113 spaced apart from the protruding portion 112.
  • a accommodating groove 110 for accommodating and mounting the metal ring 12 is formed between the clamping portion 113 and the protruding portion 112, so that the metal ring 12 It can be stably sandwiched between the clamping portion 113 and the protruding portion 112 to further improve the stability of the metal ring 12 being fixed.
  • the second connecting portion 4122 on the diaphragm 41 is sandwiched between the metal ring 12 and the clamping portion 113, so that the metal ring 12 and the second connecting portion 4122 abut against each other, which is more conducive to ensuring the diaphragm 41 and the metal ring 12 are fixed stability.
  • the main body portion 11 further includes an extension column 114 extending from the end of the support portion 111 away from the diaphragm 41 in a direction away from the metal ring 12, the support portion 111 and the extension column 114 are injection molded into one body; the metal ring 12 is away from the vibration One side of the film 41 extends to form a metal extension piece 123 attached to the outside of the extension column 114.
  • the metal ring 12, the metal extension piece 123 and the main body 11 are injection molded into one body to ensure the bonding effect of the metal ring 12 and the main body 11.
  • a positioning hole 1230 is formed through the metal extension piece 123, and the extension post 114 correspondingly forms a positioning post 1140 extending into the positioning hole 1230, so that the positioning post 1140 and the positioning hole 1230 form a mating connection to further strengthen the metal ring 12 and the main body The stability of the part 11 connection.
  • the vibrating part 411 includes a dome 4111 and a folding ring 4112 connected between the dome 4111 and the fixed part.
  • the folding ring 4112 is an arc-shaped structure protruding in a direction away from the basin frame 1, and the voice coil 42 and Dome 4111 is connected.
  • the first connecting portion 4121 on the fixing portion 412 is completely glued to the first fixing surface 121 on the metal ring 12 to use the rigidity of the metal ring 12 to ensure the overall strength, so that it is not necessary to increase the fixing portion
  • the width of the first connecting portion 4121 on the 412 can be glued to meet the strength requirements, so as to increase the width of the folding ring 4112 on the vibrating portion 411 as much as possible to increase the vibration space of the vibrating portion 411 and improve the audio performance of the product.
  • the magnetic circuit system 3 includes a magnetic yoke 31 corresponding to the extension column 114 and a magnetic steel assembly 32 fixed to the magnetic yoke 31.
  • the magnetic steel assembly 32 has a magnetic gap 320.
  • the magnet assembly 32 includes a main magnet 321 corresponding to the dome 4111, a main pole core 324 stacked on the main magnet 321, a secondary magnet 322 spaced apart from the main magnet 321, and a secondary magnet 322 stacked on the sub
  • the magnetic steel 322 is away from the side of the magnetic yoke 31 and the auxiliary magnetic steel 323 attached to the metal ring 12 further enhances the magnetic field strength and improves the audio performance of the product.
  • the magnetic circuit system 3 also includes the upper clamping plate 325 on the side of the auxiliary magnetic steel 322 away from the yoke 31, and the auxiliary magnetic steel 323 is located on the side of the upper clamping plate 325 away from the voice coil 42.
  • the upper clamping plate 325 and the main body The part 11 is integrally formed to ensure the compactness of the overall structure.
  • the present invention installs the metal ring 12 on the side of the main body 11 of the basin frame 1 close to the diaphragm 41, and uses the first fixing surface 121 on the metal ring 12 and the fixing portion 412 of the diaphragm 41.
  • the first connecting portion 4121 is fixed against each other, and the second fixing surface 122 on the metal ring 12 and the second connecting portion 4122 on the fixing portion 412 of the diaphragm 41 are attached and fixed to each other, so that the fixing portion 412 of the diaphragm 41 can It is stably fixed on the metal ring 12 to use the rigidity of the metal ring 12 to ensure the overall strength, so that the width of the first connecting portion 4121 on the fixing portion 412 can be achieved without increasing the width of the first connecting portion 4121 on the fixing portion 412 to achieve the bonding that meets the strength requirements, thereby achieving In the case of product reliability and overall strength, the vibration space of the vibrating part 411 is increased to improve the audio performance of the product, and can improve the performance of the product such as drop resistance and extrusion resistance.

Landscapes

  • 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 appartient au domaine technique de la conversion électroacoustique, et concerne un haut-parleur. Le haut-parleur comprend un cadre, et un système de circuit magnétique et un système de vibration maintenu dans le cadre, le système de vibration comprenant un diaphragme de vibration et une bobine acoustique, le diaphragme de vibration comprend une partie de vibration et une partie de fixation s'étendant à partir d'un bord de la partie de vibration, la partie de fixation étant fixée au cadre, et la partie de vibration étant fixée à la bobine acoustique ; le cadre comprend une partie de corps principal et une bague métallique montée sur un côté, à proximité de la membrane vibrante, de la partie de corps principal ; la bague métallique est située entre la partie de corps principal et la membrane vibrante ; la partie de fixation comprend une première partie de liaison reliée au bord de la partie de vibration et une seconde partie de liaison se courbant et s'étendant à partir de la première partie de liaison vers la bague métallique ; et la bague métallique comprend une première face de fixation venant en butée contre et fixant la première partie de liaison et une seconde face de fixation attachée de manière fixe à la seconde partie de liaison. Selon la présente invention, au moyen de la partie de fixation sur le diaphragme de vibration étant attaché et fixé à l'anneau métallique sur le cadre, l'anneau métallique peut augmenter l'espace de vibration de la partie de vibration tout en garantissant également la fiabilité et la résistance globale du produit, ce qui permet d'améliorer les performances audio du produit.
PCT/CN2019/091123 2019-06-11 2019-06-13 Haut-parleur WO2020248194A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910500040.5A CN110191403B (zh) 2019-06-11 2019-06-11 扬声器
CN201910500040.5 2019-06-11

Publications (1)

Publication Number Publication Date
WO2020248194A1 true WO2020248194A1 (fr) 2020-12-17

Family

ID=67721168

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/091123 WO2020248194A1 (fr) 2019-06-11 2019-06-13 Haut-parleur

Country Status (2)

Country Link
CN (1) CN110191403B (fr)
WO (1) WO2020248194A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4132005A4 (fr) * 2020-04-18 2023-09-06 Huawei Technologies Co., Ltd. Coeur de haut-parleur et dispositif électronique
CN113930092A (zh) * 2021-11-11 2022-01-14 美特科技(苏州)有限公司 一种披覆剂以及采用其的扬声器
CN218416652U (zh) * 2022-08-12 2023-01-31 瑞声光电科技(常州)有限公司 发声器件

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010232763A (ja) * 2009-03-26 2010-10-14 Hosiden Corp スピーカ及びその製造方法
CN102611970A (zh) * 2012-03-27 2012-07-25 楼氏电子（北京）有限公司 微型扬声器
CN102905203A (zh) * 2012-09-28 2013-01-30 歌尔声学股份有限公司 扬声器装置
CN107277719A (zh) * 2017-07-28 2017-10-20 常州市润蒙声学科技有限公司 扬声器
CN207869379U (zh) * 2018-01-27 2018-09-14 瑞声科技(新加坡)有限公司 扬声器
CN208549021U (zh) * 2018-08-01 2019-02-26 瑞声光电科技(常州)有限公司 发声器件

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202019446U (zh) * 2010-04-19 2011-10-26 宁波升亚电子有限公司 扬声器结构
CN203039895U (zh) * 2012-12-17 2013-07-03 瑞声光电科技(常州)有限公司 发声器件
CN205793301U (zh) * 2016-05-30 2016-12-07 歌尔股份有限公司 扬声器
US10368159B2 (en) * 2016-12-28 2019-07-30 Mitek Corp., Inc. Water resistant loudspeaker
CN107277718A (zh) * 2017-07-28 2017-10-20 常州市润蒙声学科技有限公司 扬声器
CN107396262B (zh) * 2017-08-07 2021-02-12 瑞声声学科技(深圳)有限公司 扬声器及电子设备
CN107360522A (zh) * 2017-08-07 2017-11-17 瑞声声学科技(深圳)有限公司 扬声器以及电子设备
CN208874738U (zh) * 2019-04-15 2019-05-17 歌尔股份有限公司 一种振膜、扬声器和耳机

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010232763A (ja) * 2009-03-26 2010-10-14 Hosiden Corp スピーカ及びその製造方法
CN102611970A (zh) * 2012-03-27 2012-07-25 楼氏电子（北京）有限公司 微型扬声器
CN102905203A (zh) * 2012-09-28 2013-01-30 歌尔声学股份有限公司 扬声器装置
CN107277719A (zh) * 2017-07-28 2017-10-20 常州市润蒙声学科技有限公司 扬声器
CN207869379U (zh) * 2018-01-27 2018-09-14 瑞声科技(新加坡)有限公司 扬声器
CN208549021U (zh) * 2018-08-01 2019-02-26 瑞声光电科技(常州)有限公司 发声器件

Also Published As

Publication number Publication date
CN110191403B (zh) 2022-01-28
CN110191403A (zh) 2019-08-30

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