WO2020062694A1 - Module de haut-parleur - Google Patents

Module de haut-parleur Download PDF

Info

Publication number
WO2020062694A1
WO2020062694A1 PCT/CN2018/125600 CN2018125600W WO2020062694A1 WO 2020062694 A1 WO2020062694 A1 WO 2020062694A1 CN 2018125600 W CN2018125600 W CN 2018125600W WO 2020062694 A1 WO2020062694 A1 WO 2020062694A1
Authority
WO
WIPO (PCT)
Prior art keywords
module
wall
cavity
breathable
speaker
Prior art date
Application number
PCT/CN2018/125600
Other languages
English (en)
Chinese (zh)
Inventor
李承伟
李振军
高远
Original Assignee
歌尔股份有限公司
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 歌尔股份有限公司 filed Critical 歌尔股份有限公司
Publication of WO2020062694A1 publication Critical patent/WO2020062694A1/fr

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
    • H04R9/06—Loudspeakers

Definitions

  • the utility model relates to the technical field of acoustic-electric conversion. More specifically, it relates to a speaker module.
  • Existing speaker modules usually include a module housing and a speaker unit provided in the module housing.
  • the speaker unit divides the cavity surrounded by the module housing into a front acoustic cavity and a rear acoustic cavity.
  • the speaker unit includes a vibration component and a magnetic circuit component.
  • the vibration component includes a fixed diaphragm and a voice coil. After the voice coil inputs a current, it vibrates under the amperage of the magnetic field formed by the magnetic circuit component to drive the diaphragm to generate sound.
  • a sound absorbing material is provided in the rear acoustic cavity.
  • the current speaker module usually uses a breathable insulation component to divide the rear acoustic cavity into a first cavity and a second cavity, and the second cavity is filled with sound-absorbing material.
  • the breathable insulation component has a ventilation function and prevents sound-absorbing materials from entering Speaker alone.
  • Traditional breathable insulation components use injection-molded mesh, which has a limited effect on airflow, which limits the improvement of the acoustic performance of speaker products.
  • the purpose of the utility model is to provide a speaker module, which uses a breathable carbon fiber sheet to play the role of breathability and isolation, enhance the effect of adjusting the air flow, and improve the acoustic performance of the speaker module.
  • the utility model discloses a speaker module, which includes a module case and a speaker unit provided in the module case.
  • the speaker unit divides a cavity surrounded by the module case into a front acoustic cavity and Rear acoustic cavity
  • the module housing is further provided with a breathable isolation component that divides the rear acoustic cavity into a first cavity and a second cavity
  • the second cavity is filled with a sound absorbing material
  • the breathable insulation component It includes a support frame and a breathable carbon fiber sheet fixed on the support frame.
  • the breathable carbon fiber sheet and the support frame are fixed by injection molding, gluing or backing.
  • a plurality of ventilation holes are formed on the breathable carbon fiber sheet, and the diameter of each of the ventilation holes is between 0.03 and 0.15 mm.
  • the module case includes a module upper case, a module middle case, and a module lower case
  • the speaker unit and the module upper case surround the front acoustic cavity
  • the speaker unit and the unit The module upper shell, the module middle shell, and the module lower shell surround the rear acoustic cavity.
  • a sandwich wall for fixing the breathable insulation component is formed on the middle shell of the module, and the middle shell of the module includes a bottom wall and a side wall extending perpendicularly to the bottom wall, and the side wall includes The two first side walls and the second side wall, the sandwich wall comprises a first sandwich wall and a second sandwich wall respectively formed on the first side wall and the second side wall, and the first sandwich wall A first groove and a second groove are formed on the second clamping wall, respectively, to accommodate the air-permeable isolation component.
  • the sandwich wall further includes a third sandwich wall formed on the bottom wall, and a third groove is formed on the third sandwich wall to receive the breathable insulation component.
  • the air-permeable isolation component and the lower case of the module are sealed and arranged by coating, backing or a gasket.
  • An elastic pad is further provided on the outer surface of the support frame near the module housing, and the elastic pad is compressed to seal the breathable insulation component and the sandwich wall when the breathable insulation component is inserted into the sandwich wall.
  • An elastic pad is provided in the groove, and the elastic pad is compressed to seal the breathable insulation component and the sandwich wall when the breathable insulation component is inserted into the sandwich wall.
  • the air-permeable isolation component and the sandwich wall are sealed by coating.
  • the air-permeable insulation component is integrally injection-molded with the middle shell of the module.
  • the breathable isolation component of the speaker module of the utility model comprises a support frame and a breathable carbon fiber sheet fixed on the support frame.
  • the breathable carbon fiber sheet is formed with a plurality of ventilation holes to allow airflow to pass through.
  • the aperture size of the carbon fiber material is controllable, which can play a role of isolating sound-absorbing materials, and the carbon fiber material can play a sound-absorbing role, thereby enhancing the rear acoustic cavity.
  • the adjustment of air flow improves the acoustic performance of the speaker module.
  • FIG. 1 shows an internal schematic diagram of a specific embodiment of the speaker module of the present invention.
  • FIG. 2 shows an outline diagram of a specific embodiment of the speaker module of the present invention.
  • Fig. 3 is a schematic cross-sectional view taken along the A-A direction in Fig. 2.
  • FIG. 4 is an enlarged schematic diagram of a region B in FIG. 3.
  • module upper case 12, module middle case, 13, module lower case, 2, breathable insulation components, 21, support frame, 22, breathable carbon fiber sheet, 3, speaker unit, 31, vibration component, 32 , Magnetic circuit components, 4, sandwich wall.
  • the speaker module includes a module case and a speaker unit 3 provided in the module case.
  • the body 3 divides the cavity surrounded by the module housing into a front acoustic cavity and a rear acoustic cavity, and the module housing is further provided with a ventilation isolation component that divides the rear acoustic cavity into a first cavity and a second cavity.
  • the second cavity is filled with a sound absorbing material.
  • the breathable insulation component 2 includes a support frame 21 and a breathable carbon fiber sheet 22 fixed on the support frame 21.
  • the breathable carbon fiber sheet 22 can play the role of breathability and isolation of the sound absorbing material, and the carbon fiber material can play the role of sound absorption, thereby enhancing the adjustment effect of the rear acoustic cavity on the airflow and improving the acoustic performance of the speaker module.
  • the breathable carbon fiber sheet 22 and the support frame 21 can be fixed by injection molding, gluing or backing.
  • the breathable carbon fiber sheet 22 and the support frame 21 are fixed together by injection molding, so as to ensure a strong bonding force between the breathable carbon fiber sheet 22 and the support frame 21.
  • the porous ceramic sheet is formed with a plurality of ventilation holes.
  • the sound absorbing material is preferably selected from sound absorbing particles.
  • the diameter of the ventilation holes of the breathable carbon fiber sheet 22 should be smaller than the diameter of the sound absorbing particles to prevent the sound absorbing material from passing through the breathable carbon fiber sheet 22 into the speaker unit 3. Therefore, the apertures of the plurality of ventilation holes can be set to be between 0.03 and 0.15 mm, so as to play a role of isolating the interstitial material.
  • the module case includes a module upper case 11, a module middle case 12, and a module lower case 13, a module upper case 11, a module middle case 12, and a module.
  • the lower shells 13 collectively form a cavity for receiving the speaker unit 3.
  • the speaker unit 3 and the module upper shell 11 surround a front sound cavity for sound generation, and the speaker unit 3 and the module upper shell 11, the module middle shell 12, and the module lower
  • the shell 13 surrounds a rear acoustic cavity, which is used to adjust the sound quality of the sound generator and improve the low-frequency acoustic performance of the speaker.
  • the speaker unit 3 may include a vibration component 31 and a magnetic circuit component 32.
  • the vibration component 31 vibrates and emits sound under the action of a magnetic field formed by the magnetic circuit component 32.
  • a sandwich wall 4 for fixing the breathable insulation component 2 is formed on the middle shell 12 of the module, and the middle shell 12 of the module may include a bottom wall and a vertical extension relative to the bottom wall.
  • the side wall includes two opposite first and second side walls, and the sandwich wall includes first sandwich walls formed on the first side wall and the second side wall, respectively And a second clamping wall, the first clamping wall and the second clamping wall are respectively formed with a first groove and a second groove for accommodating the air-permeable isolation component 2.
  • the first sandwich wall and the second sandwich wall limit the opposite sides of the breathable insulation component 2, thereby restricting the horizontal movement of the breathable insulation component 2 and positioning the breathable insulation component 2.
  • the module housing includes, but is not limited to, a three-part housing structure, that is, the module housing may be composed of two-part housings, which are respectively molds. The upper shell and the lower shell of the module are assembled. In this embodiment, a clamping wall for fixing the breathable insulation component is formed on the lower shell of the module, which is not described in the present invention.
  • the clamping wall 4 may preferably extend from the top surface to the bottom surface of the module case, so as to be sealed with the module lower case 13 and the ventilation isolation component 2 to separate the rear acoustic cavity into a first cavity and a second cavity together.
  • the air-permeable isolation component 2 can communicate the air between the first cavity and the second cavity.
  • the sandwich wall 4 may further include a third sandwich wall, a third sandwich wall, a first sandwich wall, and a second sandwich formed on the bottom wall for inserting the air-permeable isolation component 2.
  • the walls together play a role of limiting and fixing the air-permeable isolation component 2 to improve the fixing stability of the air-permeable isolation component 2.
  • the third sandwich wall may be connected to at least one of the first sandwich wall and the second sandwich wall.
  • the sandwich wall 4 may further include a fourth sandwich wall formed on the module lower case 13 and corresponding to the isolation component, and the fourth sandwich wall is formed with the fourth sandwich wall.
  • the fourth groove of the breathable insulation component 2 is described. After the breathable insulation component 2 is installed on the clamping wall of the module middle shell 12 by plugging in, the module lower shell 13 can be fixed and sealed with the breathable insulation component 2 through the fourth groove to further fix the breathable insulation component. 2.
  • the isolation component can also be glued or sealed with the module lower case 13 by applying glue or adhesive.
  • the breathable insulation component 2 can be installed on the middle shell 12 of the module after being inserted into the middle shell 12 of the module by injection molding.
  • the breathable insulation component 2 may also be integrally injection-molded with the module housing after assembly.
  • glue in order to further seal the breathable insulation component 2 and the sandwich wall, glue can be applied to the groove of the sandwich wall 4 to which the breathable insulation component 2 is inserted, and the breathable insulation component 2 and the sandwich wall 4 can be coated.
  • Adhesive seal in another preferred embodiment, an elastic pad can be further provided on the outer surface of the support frame 21 near the module housing, and the elastic pad is inserted into the sandwich wall 4 in the air-permeable isolation component 2. It is compressed to seal the air-permeable insulation component 2 and the sandwich wall 4.
  • an elastic pad may also be provided in the groove, and the elastic pad is compressed to seal the isolation component and the clamping wall 4 when the isolation component is inserted into the clamping wall.

Abstract

L'invention concerne un module de haut-parleur comprenant une coque de module et une unité de haut-parleur prévue dans la coque de module. L'unité de haut-parleur divise une cavité enfermée par la coque de module en une cavité acoustique avant et une cavité acoustique arrière, la coque de module est en outre pourvue d'un ensemble d'isolation respirant pour diviser la cavité acoustique arrière en une première cavité et une seconde cavité, la seconde cavité étant remplie d'un matériau acoustique, et l'ensemble d'isolation respirant comprenant un cadre de support et une feuille de fibre de carbone respirable fixée sur le cadre de support. Le présent modèle d'utilité peut résoudre les problèmes de rupture de tissu d'écran et de déviation de tissu d'écran qui peuvent se produire facilement lorsque la feuille de fibre de carbone respirable est montée sur l'ensemble d'isolation perméable à l'air, améliorant le rendement de production de l'ensemble d'isolation respirant.
PCT/CN2018/125600 2018-09-28 2018-12-29 Module de haut-parleur WO2020062694A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201821600232.0U CN208707956U (zh) 2018-09-28 2018-09-28 一种扬声器模组
CN201821600232.0 2018-09-28

Publications (1)

Publication Number Publication Date
WO2020062694A1 true WO2020062694A1 (fr) 2020-04-02

Family

ID=65947433

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/125600 WO2020062694A1 (fr) 2018-09-28 2018-12-29 Module de haut-parleur

Country Status (2)

Country Link
CN (1) CN208707956U (fr)
WO (1) WO2020062694A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111935568A (zh) * 2020-07-09 2020-11-13 瑞声科技(新加坡)有限公司 扬声器模组
WO2022006954A1 (fr) * 2020-07-09 2022-01-13 瑞声声学科技(深圳)有限公司 Module de haut-parleur

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021134465A1 (fr) * 2019-12-31 2021-07-08 瑞声声学科技(深圳)有限公司 Boîtier de haut-parleur
CN111147967A (zh) * 2020-02-20 2020-05-12 精拓丽音科技（北京）有限公司 一种扬声器模组及扬声器模组的制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203193875U (zh) * 2013-04-02 2013-09-11 歌尔声学股份有限公司 扬声器模组
CN204131714U (zh) * 2014-09-01 2015-01-28 歌尔声学股份有限公司 扬声器模组
CN206524955U (zh) * 2017-01-20 2017-09-26 瑞声科技(新加坡)有限公司 扬声器箱
CN207612403U (zh) * 2017-11-02 2018-07-13 瑞声科技(新加坡)有限公司 扬声器箱

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203193875U (zh) * 2013-04-02 2013-09-11 歌尔声学股份有限公司 扬声器模组
CN204131714U (zh) * 2014-09-01 2015-01-28 歌尔声学股份有限公司 扬声器模组
CN206524955U (zh) * 2017-01-20 2017-09-26 瑞声科技(新加坡)有限公司 扬声器箱
CN207612403U (zh) * 2017-11-02 2018-07-13 瑞声科技(新加坡)有限公司 扬声器箱

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111935568A (zh) * 2020-07-09 2020-11-13 瑞声科技(新加坡)有限公司 扬声器模组
WO2022006954A1 (fr) * 2020-07-09 2022-01-13 瑞声声学科技(深圳)有限公司 Module de haut-parleur
WO2022006939A1 (fr) * 2020-07-09 2022-01-13 瑞声声学科技(深圳)有限公司 Module de haut-parleur

Also Published As

Publication number Publication date
CN208707956U (zh) 2019-04-05

Similar Documents

Publication Publication Date Title
WO2020062694A1 (fr) Module de haut-parleur
WO2016165355A1 (fr) Module pour haut parleur
US9628900B2 (en) Double-vibrating-diaphragm loudspeaker module
WO2018214280A1 (fr) Module de caméra et appareil électronique
CN105657615B (zh) 扬声器模组
CN207835804U (zh) 发声装置及电子产品
WO2018218766A1 (fr) Module de haut-parleur et dispositif électronique
CN204669603U (zh) 一种双膜片扬声器
WO2020114085A1 (fr) Dispositif de génération de son
WO2019119943A1 (fr) Structure d'emballage pour particules absorbant le son et module de haut-parleur
WO2021088225A1 (fr) Dispositif acoustique et appareil électronique
WO2020134309A1 (fr) Haut-parleur
CN204598258U (zh) 多发声单元耳机
WO2020077776A1 (fr) Module de haut-parleur
WO2020062632A1 (fr) Module de haut-parleur
WO2021056862A1 (fr) Dispositif acoustique et appareil électronique
CN202957969U (zh) 音箱
CN111343546B (zh) 声学装置及电子设备
WO2020224277A1 (fr) Appareil de production de son
CN208158870U (zh) 一种喇叭
WO2020062698A1 (fr) Module de haut-parleur
WO2021120915A1 (fr) Structure d'encapsulation de matériau absorbant les sons pour dispositif de production de son, et dispositif de production de son
CN105472503B (zh) 一种无源辐射器音箱
CN205545840U (zh) 一种新型无源辐射器音箱
CN110784816B (zh) 声学装置及电子设备

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: 18934626

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: 18934626

Country of ref document: EP

Kind code of ref document: A1