WO2014000343A1 - 电声换能器及其制造方法 - Google Patents
电声换能器及其制造方法 Download PDFInfo
- Publication number
- WO2014000343A1 WO2014000343A1 PCT/CN2012/081703 CN2012081703W WO2014000343A1 WO 2014000343 A1 WO2014000343 A1 WO 2014000343A1 CN 2012081703 W CN2012081703 W CN 2012081703W WO 2014000343 A1 WO2014000343 A1 WO 2014000343A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sub
- shell
- electroacoustic transducer
- elastic piece
- bent
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/006—Interconnection of transducer parts
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
Definitions
- Electroacoustic transducer and manufacturing method thereof are Electroacoustic transducer and manufacturing method thereof
- the present invention relates to the field of electroacoustics, and in particular to an electroacoustic transducer and a method of fabricating the same. Background technique
- the elastic piece of the electroacoustic transducer is combined with the housing mainly by snapping or injection molding.
- the shrapnel and the casing are combined by the snapping method, the shrapnel is easily deflected, and the fixing is not firm, and the assembly process is complicated; and the injection molding method is combined, the process is simple and the combination is stable.
- the joint portion of the elastic piece is injection-molded with the casing, and the joint portion is a portion of the elastic piece combined with the casing, and the combination is combined.
- One end of the rear sheet-shaped elastic piece is exposed at the edge of the casing, and then the elastic piece is bent from the edge of the casing, and is bent to form a bent portion of the elastic piece, and the bent portion can be elastically deformed to make the elastic elasticity of the elastic piece and the end product.
- the present invention provides an electroacoustic transducer and a method of manufacturing the same, which can save installation space of an electroacoustic transducer and facilitate miniaturization of the product.
- the present invention provides an electroacoustic transducer comprising a spring piece and a housing, the spring piece being used for electrically connecting an internal circuit and an external circuit of the electroacoustic transducer, wherein the housing is hollow An annular structure formed by fixedly engaging the first sub-shell and the second sub-shell; the elastic piece portion is injection-molded with the first sub-shell, and is disposed at an end of the first sub-shell adjacent to the second sub-shell a bonding surface joined to the second sub-shell, the elastic piece being exposed on the bonding surface and bent at the bonding surface to form a bent portion; corresponding to the bending on the second sub-shell
- the position of the department is provided with the avoidance of the bent portion
- the relief structure, the bent portion is located inside the edge of the housing.
- the first sub-shell and the second sub-shell form a step-like relief structure at the joint surface.
- a portion of the first sub-shell adjacent to the bonding surface is provided with a first end surface in a horizontal direction
- a portion of the second sub-shell adjacent to the bonding surface is provided with a second end surface in a horizontal direction.
- the plane of the first end surface is higher than the plane where the second end surface is located, and the bent portion is located at an upper side of the second end surface.
- the elastic piece includes a joint portion, a deformation portion, and a free end portion, wherein the joint portion is configured to fix the elastic piece to the housing, and the deformation portion and the joint portion are Connected, the free end is located at the end of the deformation portion.
- the end portion of the joint portion is provided with a land, and the land is exposed on an inner side surface of the casing.
- a manufacturing method for manufacturing an electroacoustic transducer as described above comprising the following steps: Step 1: positioning a shrapnel of a sheet-like structure formed by stamping, corresponding to injection molding of the shrapnel with the first sub-shell Filling the rubber at a partial position to form a first sub-shell;
- Step two injection molding to form a second sub-shell
- Step three the first sub-shell and the second sub-shell are fixedly joined together to form a hollow annular structure of the casing;
- the elastic piece of the sheet-like structure is bent from the joint surface of the end portion of the first sub-shell to form a bent portion.
- first sub-shell and the second sub-shell are fixedly joined at the joint surface by gluing or ultrasonic welding.
- first sub-shell and the second sub-shell are fixedly joined at the joint surface by snapping or lamination.
- the present invention firstly combines the elastic piece with the first sub-shell and then bends the elastic piece, and then combines the first sub-shell with the second sub-shell, and the electro-acoustic exchange
- the energy device and the manufacturing method thereof can effectively control the occupied space of the shrapnel, thereby saving the installation space when the electroacoustic transducer and the terminal product are assembled, and facilitating the miniaturization of the terminal product.
- one or more aspects of the present invention include the details which will be described later Features that are specified and particularly indicated in the claims.
- FIG. 1 is a schematic perspective view of an electroacoustic transducer of the present invention
- Figure 2 is a schematic enlarged view of the portion A shown in Figure 1;
- FIG. 3 is a schematic view showing the assembled structure of the first step of the manufacturing method of the electroacoustic transducer of the present invention
- FIG. 4 is a schematic view showing the assembled structure of the second step of the manufacturing method of the electroacoustic transducer of the present invention
- Rear perspective structure diagram Rear perspective structure diagram.
- the electroacoustic transducer includes a vibration system, a magnetic circuit system, and a housing 2 housing a fixed vibration system and a magnetic circuit system, wherein the housing 2 is a hollow annular structure; the vibration system includes a vibration The membrane and the voice coil coupled to the side of the diaphragm close to the magnetic circuit system, the magnetic circuit system includes a washer, a magnet and a basin frame 3 which are sequentially combined, and the magnetic circuit system forms a magnetic gap for accommodating the voice coil.
- the electroacoustic transducer further includes a spring piece 1 combined with the casing 2, and the elastic piece 1 is electrically connected to an internal circuit and an external circuit of the electroacoustic transducer.
- the elastic piece 1 is coupled to the bottom of the casing 2.
- the elastic piece 1 is provided with a deformation portion 12, and the deformation portion 12 can be elastically deformed and electrically connected to an external circuit.
- the deformation portion 12 and the basin are formed.
- the bottom wall of the frame 3 is located on the same side of the casing 2, but is not limited to this case.
- the housing 2 is fixedly joined by the first sub-casing 21 and the second sub-case 22.
- the part of the elastic piece 1 is combined with the first sub-shell 21 by injection molding, and the first sub-shell 21 is adjacent to the second sub-shell.
- the end portion joined to the second sub-case 22 is provided with a joint surface 212.
- the elastic piece 1 is exposed from the joint surface 212 and bent to form a bent portion 121.
- the second casing 22 needs to provide a relief space for the bent portion 121.
- the first sub-shell 21 and the second sub-shell 22 form a stepped structure at the joint surface 212.
- the first sub-shell 21 is horizontally disposed adjacent to the joint surface 212.
- a first end surface 211 of the direction, a second end surface 221 of the second sub-shell 22 adjacent to the bonding surface 212 is disposed in a horizontal direction, wherein the plane of the first end surface 211 is higher than the plane of the second end surface 221, the structure
- the elastic piece 1 can be exposed from the opposite upper side of the joint surface 212, and the bent portion 121 is located at the upper side portion of the second end surface 221, thereby providing a relief space for the bent portion 121 of the elastic piece 1.
- the bent portion 121 is located inside the edge 20 of the casing 2.
- the escaping structure is not limited to the above structure, and the elastic piece 1 can be bent from the joint surface 212.
- the elastic piece 1 includes: a joint portion 11 for fixedly engaging with the casing 2, a deformation portion 12 connecting the joint portion 11, a land 111 at the end portion of the joint portion 11, and an end portion of the deformation portion 12 Free end 13.
- the manufacturing method of the electroacoustic transducer is as follows:
- the elastic piece 1 is positioned.
- the first sub-shell 21 is formed by filling the rubber material at a position corresponding to the joint portion 11 of the elastic piece 1, so that the elastic piece 1 and the first sub-shell 21 are combined by injection molding, wherein one side of the land 111 is exposed on the surface of the first sub-shell 21.
- Step two injection molding to form a second sub-shell 22;
- step three the first sub-shell 21 and the second sub-shell 22 are fixedly joined together.
- the sheet-like elastic piece 1 is bent from the joint surface 212 of the first sub-shell 21, that is, the deformation portion 12 is bent from the end located at the joint surface 212.
- the bent portion 121 is formed.
- the free end portion 13 is bent so that the free end portion 13 is freely coupled to the casing 2.
- the first sub-shell 21 and the second sub-shell 22 are joined at the joint surface 212, and may be adopted.
- the colloidal bonding is joined by ultrasonic welding or by means of snapping or lamination.
- the housing 2 is divided into a first sub-shell 21 and a second sub-shell 22, and firstly, the elastic piece 1 is injection-molded with the first sub-shell 21, and the elastic piece 1 is bent, and then the first sub-shell 21 and the second sub-shell are further 22, this design can control the position of the elastic piece 1 to be bent and the size of the elastic piece 1 by controlling the ratio of the first sub-shell 21 and the second sub-shell 22, and the bent portion 121 of the elastic piece 1 is located at the edge 20 of the casing 2.
- the inner side can reduce the space occupied by the elastic piece 1, which is beneficial to the space saving of the electroacoustic transducer and the terminal product assembly, and is advantageous for miniaturization of the terminal product.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020147036407A KR101614328B1 (ko) | 2012-06-27 | 2012-09-20 | 전기 음향 변환기 및 그 제조방법 |
| US14/411,085 US9369807B2 (en) | 2012-06-27 | 2012-09-20 | Electroacoustic transducer and manufacturing method thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210215212.2 | 2012-06-27 | ||
| CN201210215212.2A CN102724610B (zh) | 2012-06-27 | 2012-06-27 | 电声换能器及其制造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014000343A1 true WO2014000343A1 (zh) | 2014-01-03 |
Family
ID=46950246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2012/081703 Ceased WO2014000343A1 (zh) | 2012-06-27 | 2012-09-20 | 电声换能器及其制造方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US9369807B2 (zh) |
| KR (1) | KR101614328B1 (zh) |
| CN (1) | CN102724610B (zh) |
| WO (1) | WO2014000343A1 (zh) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203747986U (zh) * | 2014-01-06 | 2014-07-30 | 瑞声科技(南京)有限公司 | 盆架 |
| CN105407428B (zh) * | 2015-12-30 | 2019-01-11 | 歌尔股份有限公司 | 一种受话器及终端电子产品 |
| CN206181361U (zh) * | 2016-10-25 | 2017-05-17 | 瑞声声学科技(深圳)有限公司 | 扬声器箱 |
| KR102138339B1 (ko) * | 2018-10-24 | 2020-07-27 | 주식회사 엠플러스 | 사운드 진동 액츄에이터 |
| WO2020184108A1 (ja) * | 2019-03-12 | 2020-09-17 | アルプスアルパイン株式会社 | 電磁駆動装置及び操作装置 |
| US20230012628A1 (en) * | 2019-12-11 | 2023-01-19 | Lofelt Gmbh | Linear vibration actuator having moving coil and moving magnet |
| CN112770240A (zh) * | 2021-01-20 | 2021-05-07 | 国光电器股份有限公司 | 一种音圈的引线出线结构及扬声器 |
| US11831215B2 (en) * | 2021-05-06 | 2023-11-28 | Aac Microtech (Changzhou) Co., Ltd. | Linear vibration motor |
| FR3130091B1 (fr) * | 2021-12-02 | 2025-02-14 | Commissariat Energie Atomique | Transducteur électromagnétique pour la récupération d’énergie vibratoire |
| US20240128846A1 (en) * | 2022-10-18 | 2024-04-18 | Nidec Corporation | Vibration motor and tactile device including the same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6035052A (en) * | 1997-03-31 | 2000-03-07 | Sony Corporation | Acoustic transducer |
| CN101630711A (zh) * | 2009-07-03 | 2010-01-20 | 邱宏哲 | 大功率led支架及其制作方法 |
| CN101841750A (zh) * | 2010-05-21 | 2010-09-22 | 歌尔声学股份有限公司 | 微型发声器接线装置 |
| CN202043153U (zh) * | 2011-03-24 | 2011-11-16 | 广州市天致数码科技有限公司 | 手机外套 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE516270C2 (sv) * | 2000-03-09 | 2001-12-10 | Osseofon Ab | Elektromagnetisk vibrator |
| JP2003173845A (ja) * | 2001-12-06 | 2003-06-20 | Hon Hai Precision Industry Co Ltd | 電気コネクタ部材 |
| JP4414809B2 (ja) * | 2004-04-26 | 2010-02-10 | パイオニア株式会社 | 電気音響変換器用振動板の製造方法 |
| KR101607957B1 (ko) * | 2008-09-29 | 2016-04-01 | 삼성전자주식회사 | 푸쉬풀 방식의 스피커 장치 및 이의 제조 방법 |
| JPWO2011004478A1 (ja) * | 2009-07-09 | 2012-12-13 | パイオニア株式会社 | スピーカ装置 |
| US8989428B2 (en) * | 2011-08-31 | 2015-03-24 | Apple Inc. | Acoustic systems in electronic devices |
| CN202679609U (zh) * | 2012-06-27 | 2013-01-16 | 歌尔声学股份有限公司 | 电声换能器 |
-
2012
- 2012-06-27 CN CN201210215212.2A patent/CN102724610B/zh active Active
- 2012-09-20 WO PCT/CN2012/081703 patent/WO2014000343A1/zh not_active Ceased
- 2012-09-20 US US14/411,085 patent/US9369807B2/en active Active
- 2012-09-20 KR KR1020147036407A patent/KR101614328B1/ko active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6035052A (en) * | 1997-03-31 | 2000-03-07 | Sony Corporation | Acoustic transducer |
| CN101630711A (zh) * | 2009-07-03 | 2010-01-20 | 邱宏哲 | 大功率led支架及其制作方法 |
| CN101841750A (zh) * | 2010-05-21 | 2010-09-22 | 歌尔声学股份有限公司 | 微型发声器接线装置 |
| CN202043153U (zh) * | 2011-03-24 | 2011-11-16 | 广州市天致数码科技有限公司 | 手机外套 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102724610A (zh) | 2012-10-10 |
| KR101614328B1 (ko) | 2016-04-21 |
| KR20150013905A (ko) | 2015-02-05 |
| CN102724610B (zh) | 2015-11-18 |
| US20150181344A1 (en) | 2015-06-25 |
| US9369807B2 (en) | 2016-06-14 |
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