EP3432600B1 - Ensemble haut-parleur et dispositif électronique - Google Patents

Ensemble haut-parleur et dispositif électronique Download PDF

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Publication number
EP3432600B1
EP3432600B1 EP16894160.7A EP16894160A EP3432600B1 EP 3432600 B1 EP3432600 B1 EP 3432600B1 EP 16894160 A EP16894160 A EP 16894160A EP 3432600 B1 EP3432600 B1 EP 3432600B1
Authority
EP
European Patent Office
Prior art keywords
loudspeaker
flexible seal
seal bag
cavity
rear case
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.)
Active
Application number
EP16894160.7A
Other languages
German (de)
English (en)
Other versions
EP3432600A1 (fr
EP3432600A4 (fr
Inventor
Chao Xu
Changkuo CHEN
Bin Ren
Yadong ZHENG
Longfei SHAO
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.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
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.)
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Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Publication of EP3432600A1 publication Critical patent/EP3432600A1/fr
Publication of EP3432600A4 publication Critical patent/EP3432600A4/fr
Application granted granted Critical
Publication of EP3432600B1 publication Critical patent/EP3432600B1/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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2811—Enclosures comprising vibrating or resonating arrangements for loudspeaker 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
    • 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 present invention relates to the field of electroacoustic assembly of electronic devices, and more particularly, to a loudspeaker assembly and an electronic device.
  • the loudspeaker assembly is an important component of the electronic device like a smart phone, a tablet PC, etc.
  • the loudspeaker assembly mainly comprises a loudspeaker front case, a loudspeaker rear case and a loudspeaker vibrator.
  • a front cavity is formed by the loudspeaker vibrator and the loudspeaker front case
  • a rear cavity is formed by the loudspeaker vibrator and the loudspeaker rear case.
  • the working performance of the loudspeaker assembly mainly depends on the volume of the front cavity and the volume of the rear cavity. Normally, the larger the volume of the rear cavity is, the better the working performance of the loudspeaker assembly is.
  • the electronic devices are becoming thinner and lighter, which makes the internal design space of the electronic device smaller and smaller.
  • the volume of the rear cavity of the loudspeaker assembly is fixed, it is difficult to obtain a larger volume from the rear cavity within the limited internal design space of the electronic device, resulting in a poor working performance of the loudspeaker assembly.
  • CN 203 261 380 U discloses a loudspeaker assembly comprising the features of the preamble of claim 1.
  • the objective of the present invention is to provide a loudspeaker assembly with an improved performance. Another objective of the present invention is to provide an electronic device having the above loudspeaker assembly.
  • a loudspeaker assembly comprises a loudspeaker front case, a loudspeaker vibrator, a loudspeaker rear case, a deformable flexible seal bag, an inlet configured to fill medium into the flexible seal bag; wherein, a front cavity is formed by the loudspeaker vibrator and the loudspeaker front case, and a rear cavity is formed by the flexible seal bag, the loudspeaker rear case and the loudspeaker vibrator.
  • the loudspeaker rear case is connected with the loudspeaker front case; the loudspeaker vibrator is disposed between the loudspeaker front case and the loudspeaker rear case; a first back cavity is formed by the loudspeaker vibrator and the loudspeaker rear case; and a cavity of the flexible seal bag forms a second back cavity; the first back cavity and the second back cavity communicate with each other and form the rear cavity.
  • the flexible seal bag is connected with the loudspeaker rear case.
  • the flexible seal bag communicates with the first back cavity through a connecting pipe.
  • an axial direction of the connecting pipe is perpendicular to a thickness direction of the loudspeaker rear case.
  • the connecting pipe and the loudspeaker rear case are in an integrated structure.
  • the inlet is provided in the loudspeaker rear case, and the inlet communicates with the cavity of the flexible seal bag through the first back cavity.
  • the loudspeaker assembly further comprises an inlet pipe which communicates with the inlet.
  • the inlet pipe is gradually expanded from its distant end towards its proximal end to the inlet.
  • the inlet is provided in the loudspeaker rear case, and the inlet pipe and the loudspeaker rear case are in an integrated structure.
  • the flexible seal bag is a balloon or a plastic bag.
  • the loudspeaker assembly provided by the present invention is provided with the deformable flexible seal bag and the inlet for filling medium into the flexible seal bag. Along with the filling of the medium, the flexible seal bag deforms along the remaining space in the electronic device, and fills the remaining space to the full.
  • the cavity of the flexible seal bag increases after the flexible seal bag is filled with the medium, and the rear cavity is formed by the cavity of the flexible seal bag, the loudspeaker rear case and the loudspeaker oscillator, so the volume of the rear cavity is effectively expanded, thereby improving the work performance of the loudspeaker assembly.
  • the present invention further provides an electronic device comprising a loudspeaker assembly, and the loudspeaker assembly is any one of the loudspeaker assemblies above.
  • the electronic device is a smart phone.
  • the loudspeaker assembly includes: a loudspeaker front case 1, a loudspeaker rear case 3, a loudspeaker vibrator 2, a deformable flexible seal bag 4, and an inlet for filling medium into the flexible seal bag 4.
  • a front cavity is formed by the loudspeaker vibrator 2 and the loudspeaker front case 1;
  • a rear cavity is formed by the flexible seal bag 4, the loudspeaker rear case 3 and the loudspeaker vibrator 2; the flexible seal bag 4 and/or the loudspeaker rear case 3 are/is connected with the loudspeaker front case 1.
  • the cavity of the flexible seal bag 4 deforms in synchronism with the outer shape of the flexible seal bag 4.
  • the deformable flexible seal bag 4 and the inlet for filling the medium into the flexible seal bag 4 are provided.
  • the flexible seal bag 4 deforms along the remaining space inside the electronic device, and fills the remaining space to the full. Since the cavity of the flexible seal bag 4 becomes larger after the flexible seal bag 4 is filled with the medium, and the rear cavity is formed by the cavity of the flexible seal bag 4, the loudspeaker rear case 3 and the loudspeaker vibrator 2, the volume of the rear cavity is effectively expanded, and the working performance of the loudspeaker assembly is improved.
  • the volume of the flexible seal bag 4 is changed through changing the filling amount of the medium, thereby changing the volume of the rear cavity.
  • the volume of the rear cavity can be adjusted according to the volume of the front cavity of the loudspeaker assembly, thereby obtaining a better working performance.
  • the flexible seal bag 4 deforms along the remaining space inside the electronic device, and fills the remaining space to the full, thereby making a full use of the remaining space inside the electronic device, reducing the design space to be occupied inside the electronic device, and providing a prerequisite for obtaining a thinner electronic device.
  • the medium filled into the flexible seal bag 4 may be gas or other suitable filler.
  • the specific type of the medium is not limited in the embodiments of the present invention.
  • the loudspeaker front case 1 is connected with the flexible seal bag 4, and the loudspeaker front case 1 is connected with the loudspeaker rear case 3, or the loudspeaker front case 1 is connected with the flexible seal bag 4 and the loudspeaker rear case 3.
  • the loudspeaker rear case 3 is connected with the flexible seal bag 4; in case the loudspeaker front case 1 is connected with the loudspeaker rear case 3, the flexible seal bag 4 is connected with the loudspeaker rear case 3; in case the loudspeaker front case 1 is connected with the flexible seal bag 4 and the loudspeaker rear case 3, the flexible seal bag 4 is connected with a part of the loudspeaker front case 1, and the flexible seal bag 4 is connected with the other part of the loudspeaker front case 1.
  • the loudspeaker rear case 3 is connected with the loudspeaker front case 1, and the loudspeaker vibrator 2 is disposed between the loudspeaker front case 1 and the loudspeaker rear case 3; a first back cavity is formed by the loudspeaker vibrator 2 and the loudspeaker rear case 3, and a second back cavity is formed by the cavity of the flexible seal bag 4; the first back cavity and the second back cavity are communicated with each other and form a rear cavity.
  • the flexible seal bag 4 is connected with the loudspeaker rear case 3.
  • the flexible seal bag 4 is connected with the loudspeaker front case 1, and the cavity of the flexible seal bag 4 is not communicated with the front cavity.
  • the flexible seal bag 4 communicates with the first back cavity through a connecting pipe 5.
  • the relative positions of the flexible seal bag 4 and the loudspeaker rear case 3 can be designed according to the actual internal space of the electronic device.
  • the axial direction of the connecting pipe 5 is perpendicular to the thickness direction of the loudspeaker rear case 3.
  • the thickness direction of the loudspeaker rear case 3 refers to the docking direction of the loudspeaker rear case 3 and the loudspeaker front case 1, that is to say, the vertical direction in Fig. 2 .
  • the connecting pipe 5 and the loudspeaker rear case 3 are in an integrated structure.
  • the loudspeaker assembly further includes an inlet pipe 6 that communicates with the inlet.
  • the dimensions and length of the inlet pipe 6 need to be designed according to actual requirements, and are not limited by the embodiments of the present invention.
  • the inlet pipe 6 and the loudspeaker rear case 3 are in an integrated structure.
  • connecting pipe 5, the inlet pipe 6 and the loudspeaker rear case 3 are in an integrated structure.
  • the connecting pipe 5, the inlet pipe 6 and the loudspeaker rear case 3 can be produced through an injection molding process.
  • the flexible seal bag 4 is made of a flexible material. There are many types of flexible materials, also there are many types of flexible seal bags 4, such as a rubber bag, a plastic bag, a latex bag, and so on. For the convenience of obtaining the raw materials, the flexible seal bag 4 is preferably a latex bag or a plastic bag. Further, the latex bag is a balloon.
  • the embodiments of the present invention further provide an electronic device, which includes a loudspeaker assembly, and the loudspeaker assembly is any one of the loudspeaker assemblies above.
  • the loudspeaker assemblies provided by the above embodiments have the above-mentioned technical effects, and the electronic device provided by any one of the above embodiments has the loudspeaker assembly, so the electronic device provided by any one of the above embodiments also has corresponding technical effects, which will not be described repeatedly.
  • the electronic device above can be a notebook computer, a tablet PC, or a smart phone, etc.
  • the above electronic device is a smart phone.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Telephone Set Structure (AREA)

Claims (10)

  1. Ensemble haut-parleur, comprenant : une enveloppe antérieure (1) de haut-parleur, un vibrateur (2) de haut-parleur, une enveloppe postérieure (3) de haut-parleur, un sachet hermétique (4) flexible déformable et une entrée configurée pour remplir un médium dans le sachet hermétique (4) flexible ; dans lequel l'ensemble haut-parleur comprend de plus un tuyau d'entrée (6) communiquant avec l'entrée ; le tuyau d'entrée (6) est étendu graduellement de son extrémité distante à son extrémité proximale vers l'entrée ; l'entrée est prévue dans l'enveloppe postérieure (3) de haut-parleur, et le tuyau d'entrée (6) et l'enveloppe postérieure (3) de haut-parleur sont dans une structure intégrée ;
    une cavité antérieure est formée par le vibrateur (2) de haut-parleur et l'enveloppe antérieure (1) de haut-parleur, et une cavité postérieure est formée par le sachet hermétique (4) flexible, l'enveloppe postérieure (3) de haut-parleur et le vibrateur (2) de haut-parleur.
  2. Ensemble haut-parleur selon la revendication 1, caractérisé en ce que l'enveloppe postérieure (3) de haut-parleur est raccordée à l'enveloppe antérieure (1) de haut-parleur ; le vibrateur (2) de haut-parleur est prévu entre l'enveloppe antérieure (1) de haut-parleur et l'enveloppe postérieure (3) de haut-parleur ; une première cavité arrière est formée par le vibrateur (2) de haut-parleur et l'enveloppe postérieure (3) de haut-parleur ; et une cavité du sachet hermétique (4) flexible forme une seconde cavité arrière ; la première cavité arrière et la seconde cavité arrière communiquent réciproquement et forment la cavité postérieure.
  3. Ensemble haut-parleur selon la revendication 2, caractérisé en ce que le sachet hermétique (4) flexible est raccordé à l'enveloppe postérieure (3) de haut-parleur.
  4. Ensemble haut-parleur selon la revendication 3, caractérisé en ce que le sachet hermétique (4) flexible communique avec la première cavité arrière à travers un tuyau de raccordement (5).
  5. Ensemble haut-parleur selon la revendication 4, caractérisé en ce qu'une direction axiale du tuyau de raccordement (5) est perpendiculaire à une direction de l'épaisseur de l'enveloppe postérieure (3) de haut-parleur.
  6. Ensemble haut-parleur selon la revendication 4, caractérisé en ce que le tuyau de raccordement (5) et l'enveloppe postérieure (3) de haut-parleur sont dans une structure intégrée.
  7. Ensemble haut-parleur selon la revendication 2, caractérisé en ce que l'entrée est prévue dans l'enveloppe postérieure (3) de haut-parleur et l'entrée communique avec la cavité du sachet hermétique (4) flexible à travers la première cavité arrière.
  8. Ensemble haut-parleur selon la revendication 1, caractérisé en ce que le sachet hermétique (4) flexible est un ballon ou un sachet en plastique.
  9. Dispositif électronique, comprenant un ensemble haut-parleur caractérisé en ce que l'ensemble haut-parleur est défini par l'une quelconque des revendications 1-8.
  10. Dispositif électronique selon la revendication 9, caractérisé en ce que le dispositif électronique est un Smartphone.
EP16894160.7A 2016-03-16 2016-09-29 Ensemble haut-parleur et dispositif électronique Active EP3432600B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610150132.1A CN105578362B (zh) 2016-03-16 2016-03-16 喇叭组件和电子设备
PCT/CN2016/100803 WO2017157001A1 (fr) 2016-03-16 2016-09-29 Ensemble haut-parleur et dispositif électronique

Publications (3)

Publication Number Publication Date
EP3432600A1 EP3432600A1 (fr) 2019-01-23
EP3432600A4 EP3432600A4 (fr) 2019-02-20
EP3432600B1 true EP3432600B1 (fr) 2020-01-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP16894160.7A Active EP3432600B1 (fr) 2016-03-16 2016-09-29 Ensemble haut-parleur et dispositif électronique

Country Status (3)

Country Link
EP (1) EP3432600B1 (fr)
CN (1) CN105578362B (fr)
WO (1) WO2017157001A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105578362B (zh) * 2016-03-16 2019-01-04 珠海格力电器股份有限公司 喇叭组件和电子设备
CN109495823A (zh) * 2018-12-27 2019-03-19 瑞声声学科技(深圳)有限公司 扬声器箱和便携式电子设备
CN115209303B (zh) * 2022-08-26 2024-05-17 惠州市大康科技有限公司 一种骨传导耳机及其制造方法

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US4868799A (en) * 1988-10-11 1989-09-19 Frank Massa Means for equalizing the internal pressure in an underwater transducer employing a vibratile piston to permit operation of the transducer at water depths in excess of a few hundred feet
GB2245450A (en) * 1990-06-19 1992-01-02 Canon Kk Speaker for use in a sound output system
US6526150B2 (en) * 1998-07-10 2003-02-25 Siemens Information & Communication Mobile, Llc Telephone loudspeaker enclosure
CN202172477U (zh) * 2011-07-02 2012-03-21 中山市天键电声有限公司 一种可降低外界噪音的入耳式耳机
CN203181149U (zh) * 2013-01-16 2013-09-04 惠州Tcl移动通信有限公司 增大喇叭音腔体积的移动终端
CN203181201U (zh) * 2013-05-03 2013-09-04 广东欧珀移动通信有限公司 具可扩展音腔的手持数码设备结构
CN203261380U (zh) * 2013-05-24 2013-10-30 马玉荣 一种移动终端
CN204761694U (zh) * 2015-05-15 2015-11-11 浙江大学 一种充气式扬声器
CN205491135U (zh) * 2016-03-16 2016-08-17 珠海格力电器股份有限公司 喇叭组件和电子设备
CN105578362B (zh) * 2016-03-16 2019-01-04 珠海格力电器股份有限公司 喇叭组件和电子设备

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Also Published As

Publication number Publication date
EP3432600A1 (fr) 2019-01-23
EP3432600A4 (fr) 2019-02-20
WO2017157001A1 (fr) 2017-09-21
CN105578362A (zh) 2016-05-11
CN105578362B (zh) 2019-01-04

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