WO2013143262A1 - 微型扬声器及其使用该微型扬声器的电子装置 - Google Patents
微型扬声器及其使用该微型扬声器的电子装置 Download PDFInfo
- Publication number
- WO2013143262A1 WO2013143262A1 PCT/CN2012/081702 CN2012081702W WO2013143262A1 WO 2013143262 A1 WO2013143262 A1 WO 2013143262A1 CN 2012081702 W CN2012081702 W CN 2012081702W WO 2013143262 A1 WO2013143262 A1 WO 2013143262A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- housing
- electronic device
- microspeaker
- sound hole
- circuit board
- Prior art date
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
- H04R1/00—Details of transducers, loudspeakers or microphones
-
- 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
- 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 electrical engineering, and in particular to a microspeaker and an electronic device using the same. Background technique
- the microspeaker includes a vibration system, a housing that houses the fixed vibration system, and an electrical connection that electrically connects the internal circuit and the external circuit.
- the vibration system includes a diaphragm and a voice coil coupled to the lower side of the diaphragm, and the housing includes an upper side coupled to the diaphragm and a lower side opposite the upper side.
- the electrical connector includes a conductive portion that is electrically coupled to the external circuit.
- the conductive portion is usually disposed on the lower side surface of the housing.
- the micro-speaker of this structure is assembled in a single manner with the electronic device of the terminal, and the position of the micro-speaker in the electronic device cannot be flexibly adjusted, which is disadvantageous for improving the adaptability of the micro-speaker to the assembly of different electronic devices.
- the mounting position of the microspeaker needs to be determined according to the internal space of the electronic device, and the micro-speaker with a single mounting method is not conducive to the overall deployment of the internal space components of the electronic device, so that the electronic device It is difficult for the device to meet certain performance requirements, such as product thickness, size, and the like.
- an object of the present invention is to provide a microspeaker and an electronic device using the same, so as to improve the assembly manner of the microspeaker and the electronic device, thereby improving the adaptability of the microspeaker and the electronic device. And it is beneficial to realize the design requirements of the electronic device.
- the present invention provides a microspeaker including a vibration system, a housing that houses the vibration system, and an electrical connector;
- the vibration system includes a diaphragm and is coupled to a voice coil on the lower side of the diaphragm, the housing includes an upper side fixedly coupled to the diaphragm and a lower side facing away from the upper side surface, and the electrical connector is fixedly coupled to the housing, wherein
- the electrical connector is an elastic sheet structure, including a first deformation portion, a second deformation portion, and a connecting portion;
- the first deformation portion is located at one side of the upper side of the casing, the second deformation portion is located at a side of the lower side of the casing, and the connecting portion electrically connects the first deformation portion and the second portion a deformation portion; the first deformation portion is a structure bent upward; the second deformation portion is a structure bent downward, and a top end of the first deformation portion and a bottom end of the second deformation portion are respectively A first conductive portion and a second conductive portion for electrically connecting to an external circuit are provided.
- the electrical connector includes an inner pad electrically connected to the lead of the voice coil, the inner pad being electrically connected to the first deformation portion and the second deformation portion at the same time.
- a preferred solution further includes a front cover coupled to an upper side of the diaphragm, the first conductive portion being higher than a plane where the top end of the front cover is located, and the second conductive portion is lower than the housing The plane at the bottom end.
- the housing has a rectangular structure, and mounting portions of the electrical connector are mounted on both sides of the short shaft of the housing.
- the two electrical connectors are symmetrically coupled to both sides of the short axis of the housing.
- the electrical connector is injection molded in combination with the housing.
- the electronic device includes the microspeaker; the electronic device further includes a housing, a first sound hole disposed on the housing, and being located inside the housing and facing the first a circuit board of the sound hole; wherein the first conductive portion or the second conductive portion of the micro speaker is electrically connected to the circuit board.
- a preferred embodiment is that the micro-speaker is coupled to a side of the circuit board away from the first sound hole, the first conductive portion is electrically connected to the circuit board, and the circuit board is directly opposite
- the first sound hole is provided with a second sound hole formed by the blanking, and the diaphragm is disposed opposite to the second sound hole.
- a preferred embodiment is that the micro-speaker is coupled to a side of the circuit board adjacent to the first sound hole, the second conductive portion is electrically connected to the circuit board, and the diaphragm is facing the same
- the first sound hole setting is described.
- the first conductive portion and the second conductive portion are respectively disposed on the upper side and the lower side of the casing, so that the assembly manner of the micro speaker and the electronic device is diverse, thereby The adaptability of the micro-speaker to the assembly of the electronic device is improved, and the design requirements of the electronic device are facilitated.
- FIG. 1 is a schematic exploded perspective view of a microspeaker of the present invention
- FIG. 2 is a schematic perspective view of a microspeaker of the present invention
- FIG. 3 is a schematic perspective view of a microspeaker of the present invention.
- FIG. 4 is a schematic perspective view of the electrical connector of the present invention.
- Figure 5 is a side view showing the structure of the microspeaker of the present invention.
- FIG. 6 is a schematic structural view of an electronic device of the present invention.
- Figure 7 is a cross-sectional view showing the structure of the A-A of the electronic device shown in Figure 6;
- Fig. 8 is a structural schematic view showing the assembly of the microspeaker and the electronic device according to another aspect of the present invention.
- the same reference numerals are used throughout the drawings to refer to the DETAILED DESCRIPTION OF THE INVENTION
- FIG. 8 shows well-known structures and devices in block diagram form in order to facilitate describing one or more embodiments.
- the microspeaker includes a vibration system, a magnetic circuit system, and a housing 12 that houses the fixed vibration system and the magnetic circuit system.
- the vibration system includes a diaphragm 21 and a voice coil 22 coupled to the lower side of the diaphragm 21, and the housing 12 includes an upper side that is fixedly coupled to the diaphragm 21 and a lower side opposite to the upper side.
- the magnetic circuit system includes a washer 31, a magnet 32, and a basin frame 33 which are sequentially combined.
- the magnetic circuit system is housed and fixed by the housing 12, and the magnetic circuit system forms a magnetic gap for accommodating the voice coil 22.
- the front cover 11 is coupled to the upper side of the diaphragm 21 to form a peripheral frame of the microspeaker together with the housing 12.
- the microspeaker further includes an electrical connector 4 electrically connecting the internal circuit of the microspeaker to the external circuit, and the electrical connector is fixedly coupled to the housing.
- the electrical connector 4 and the housing 12 are injection molded. The way is fixed.
- the electrical connector 4 in this embodiment is an elastic sheet structure, which is two parts that are independent and symmetrical, each of which includes a first deformation portion 41 on the upper side of the housing 12 and a second deformation on the lower side of the housing 12.
- the first deforming portion 41 and the diaphragm 21 are located on the same side of the housing 12, and the second deforming portion 42 is located on the same side as the bottom wall 331 of the basin frame 33, as shown in FIG. And Figure 3 shows.
- FIG. 4 is a schematic perspective view of the electrical connector of the present invention. As shown in FIG. 4, the first deformed portion 41 and the second deformed portion 42 are electrically connected by a connecting portion 43 for electrically connecting to the lead of the voice coil 22.
- the inner pad 44 is electrically connected to the first deformation portion 41 and the second deformation portion 42, that is, the electrical signal passing through the first deformation portion 41 or the second deformation portion 42.
- the electrical signals in the voice coil 22 can be individually controlled.
- first deformation portion 41 is a structure bent upward, and the second deformation portion 42 is a structure bent downward; the first deformation portion 41 is provided with a first conductive portion 411 for electrically connecting to an external circuit (for example) As shown in FIG. 2, the bottom end of the second deforming portion 42 is provided with a second conductive portion 421 (shown in FIG. 3) electrically connected to an external circuit, and the first conductive portion 411 and the second conductive portion 421 can directly External circuit contacts make electrical connections.
- the first conductive portion 411 is higher than the plane of the top end of the front cover 11, and the second conductive portion 421 is lower than the plane where the lower end of the housing 12 is located, as shown in FIG. 2, FIG. 3 and FIG.
- FIG. 5 such a structure facilitates direct contact between the first conductive portion 411 and the second conductive portion 421 and an external circuit.
- the housing 12 has a rectangular structure. As shown in FIG. 1 and FIG. 2, the electrical connector 4 is fixedly coupled to the short shaft of the housing 12, and the upper side of the housing 12 is disposed adjacent to the edge of the diaphragm 21. Installation department 121. The electrical connector 4 is fixedly mounted on the mounting portion 121.
- the electrical connector 4 is not limited to being mounted on the short shaft of the housing 12, and may be mounted on the long axis thereof; or the housing 12
- Other objects such as a circular shape, a racetrack type, or an elliptical shape, may be used without affecting the practice of the present invention.
- Figure 6 is a schematic view showing the structure of an electronic device to which the above-described microspeaker is applied
- Figure 7 is a schematic view showing the structure of the A-A of the electronic device shown in Figure 6 (i.e., a schematic view of the structure after assembly of the microspeaker and the electronic device).
- the electronic device includes a casing 10, and the casing 10 is provided with a first sound hole 20, and the first sound hole 20 needs to communicate with the diaphragm 21 so that the sound of the micro-speaker can pass through the first sound hole 20.
- the electronic device includes a casing 10, and the casing 10 is provided with a first sound hole 20, and the first sound hole 20 needs to communicate with the diaphragm 21 so that the sound of the micro-speaker can pass through the first sound hole 20.
- a circuit board 6 is provided inside the electronic device. As shown, the circuit board 6 is disposed opposite to the first sound hole 20.
- the micro speaker is disposed on a side of the circuit board 6 facing away from the first sound hole 20, the first conductive portion 411 is electrically connected to the circuit board 6, and the diaphragm 21 is disposed at a position facing the first sound hole 20;
- a second sound hole 20' is formed on the circuit board 6 facing the first sound hole 20, and the second sound hole 20 is connected to the first sound hole 20 so that the front side of the diaphragm 21 communicates with the first sound hole 20, thereby The sound can be transmitted through the first sound hole 20.
- the first conductive portion 411 at the top end of the first deforming portion 41 communicates with the circuit of the un-removed portion on both sides of the second sound hole 20' of the wiring board 6, so that the electric signal in the voice coil 22 can be controlled by the first conductive portion 411.
- Fig. 8 is a schematic view showing the structure of the microspeaker and the electronic device according to another aspect of the present invention.
- the microspeaker in the present embodiment is disposed on the side of the circuit board 6 adjacent to the first sound hole 20.
- the diaphragm 21 of the microspeaker is disposed opposite to the first acoustic hole 20, and the second conductive portion 421 at the bottom end of the second deforming portion 42 is electrically connected to the circuit board 6, and the electrical signal in the voice coil 22 can be controlled by the second conductive portion 421.
- Micro speakers work.
- the design of the first conductive portion 411 and the second conductive portion 421 on both sides of the micro-speaker can flexibly set the position of the micro-speaker in the electronic device, so that the same micro-speaker can be assembled differently and can be applied.
- the electronic device of the microspeaker provided by the invention can have more matching options in the process of adjusting the position of the internal components of the electronic device, thereby facilitating the realization of the specific design of the electronic device for thickness, size and the like.
- the microspeaker according to the present invention and the use of the micro are described by way of example with reference to the accompanying drawings The electronic device of the speaker.
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Telephone Set Structure (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020147030640A KR101558226B1 (ko) | 2012-03-31 | 2012-09-20 | 마이크로 스피커 및 마이크로 스피커를 사용한 전자 장치 |
US14/389,687 US9307306B2 (en) | 2012-03-31 | 2012-09-20 | Micro loudspeaker and electronic device using same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210095025.5 | 2012-03-31 | ||
CN201210095025.5A CN102625216B (zh) | 2012-03-31 | 2012-03-31 | 微型扬声器及其使用该微型扬声器的电子装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013143262A1 true WO2013143262A1 (zh) | 2013-10-03 |
Family
ID=46564867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2012/081702 WO2013143262A1 (zh) | 2012-03-31 | 2012-09-20 | 微型扬声器及其使用该微型扬声器的电子装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9307306B2 (zh) |
KR (1) | KR101558226B1 (zh) |
CN (1) | CN102625216B (zh) |
WO (1) | WO2013143262A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017161667A1 (zh) * | 2016-03-21 | 2017-09-28 | 歌尔声学股份有限公司 | 动圈式扬声器系统 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102625216B (zh) * | 2012-03-31 | 2015-01-21 | 歌尔声学股份有限公司 | 微型扬声器及其使用该微型扬声器的电子装置 |
CN102883251B (zh) * | 2012-09-28 | 2016-04-20 | 歌尔声学股份有限公司 | 扬声器装置及其制造方法 |
CN104349253A (zh) * | 2013-09-30 | 2015-02-11 | 扬州田治科技有限公司 | 一种扩展型扬声器 |
TW201616875A (zh) * | 2014-10-23 | 2016-05-01 | 鴻海精密工業股份有限公司 | 揚聲器 |
CN104469633A (zh) * | 2014-12-02 | 2015-03-25 | 歌尔声学股份有限公司 | 微型扬声器 |
CN204377130U (zh) * | 2015-01-06 | 2015-06-03 | 瑞声精密电子沭阳有限公司 | 发声装置 |
CN105407438B (zh) * | 2015-12-31 | 2019-08-02 | 歌尔股份有限公司 | 扬声器模组 |
CN105959887B (zh) | 2016-06-29 | 2022-02-01 | 歌尔股份有限公司 | 一种扬声器模组 |
CN117241183A (zh) * | 2019-01-05 | 2023-12-15 | 深圳市韶音科技有限公司 | 骨传导扬声装置 |
CN113015042B (zh) * | 2021-01-13 | 2023-12-01 | 维沃移动通信有限公司 | 电子设备 |
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- 2012-03-31 CN CN201210095025.5A patent/CN102625216B/zh active Active
- 2012-09-20 WO PCT/CN2012/081702 patent/WO2013143262A1/zh active Application Filing
- 2012-09-20 KR KR1020147030640A patent/KR101558226B1/ko active IP Right Grant
- 2012-09-20 US US14/389,687 patent/US9307306B2/en active Active
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WO2017161667A1 (zh) * | 2016-03-21 | 2017-09-28 | 歌尔声学股份有限公司 | 动圈式扬声器系统 |
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Also Published As
Publication number | Publication date |
---|---|
KR20140139612A (ko) | 2014-12-05 |
CN102625216B (zh) | 2015-01-21 |
US9307306B2 (en) | 2016-04-05 |
CN102625216A (zh) | 2012-08-01 |
US20150063607A1 (en) | 2015-03-05 |
KR101558226B1 (ko) | 2015-10-07 |
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