WO2016101723A1 - 微型扬声器 - Google Patents
微型扬声器 Download PDFInfo
- Publication number
- WO2016101723A1 WO2016101723A1 PCT/CN2015/094272 CN2015094272W WO2016101723A1 WO 2016101723 A1 WO2016101723 A1 WO 2016101723A1 CN 2015094272 W CN2015094272 W CN 2015094272W WO 2016101723 A1 WO2016101723 A1 WO 2016101723A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- magnet
- disposed
- magnetic circuit
- limiting portion
- basin frame
- 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
Images
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
- H04R9/025—Magnetic circuit
-
- 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
-
- 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
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
- H04R2209/024—Manufacturing aspects of the magnetic circuit of loudspeaker or microphone transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
- H04R2209/027—Electrical or mechanical reduction of yoke vibration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; 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
Definitions
- the present invention relates to the field of electroacoustics, and in particular to a microspeaker.
- the magnetic circuit system provides the magnetic field necessary for initiating the voice coil.
- the voice coil reciprocates the magnetic field in the magnetic gap to excite the diaphragm.
- Mechanical vibration which radiates sound waves to the air, and thus, the performance of the magnetic circuit system directly affects the performance of the microspeaker.
- Some micro-speakers adopt a dual magnetic circuit structure, which can increase the magnetic flux of the magnetic gap and reduce the magnetic leakage, thereby improving the sensitivity of the micro-speaker.
- the washers, magnets, basins and magnets that are part of the magnetic circuit system are only flat-bonded, and the bond strength is ensured by gluing, and the adhesion is poor, in the preparation of the product.
- the technical problem to be solved by the present invention is to provide a micro-speaker that improves the fixing process between the components of the existing micro-speaker magnetic circuit system while maintaining the overall composition of the components. Bond strength, enhanced adhesion, making it more stable and stable.
- a microspeaker includes a magnetic circuit system; the magnetic circuit system includes a basin frame, a magnet housed in the basin frame, and a washer; the basin frame is bonded and fixed to the magnet; the magnet and the washer Bonding and fixing, wherein the brackets, the magnets, and/or the magnets and the washers disposed adjacent to each other are provided with engaging portions and limiting portions; the limiting portion is a structure formed by removing material; the buckle portion and the limit The positioning portions are located on the bonding surfaces of the two; the limiting portion and the locking portion are engaged and fixed.
- the magnetic circuit system is a single magnetic circuit structure or a dual magnetic circuit structure.
- the magnetic circuit system is a dual magnetic circuit;
- the magnet comprises a central magnet and an edge magnet;
- the central magnet is adhesively fixed at an intermediate position of the base of the basin frame, and the side magnet is fixed to the basin frame
- the edge of the base is located around the central magnet;
- the washer includes a center washer and a side washer; the center washer is bonded and fixed to the center magnet; the edge washer and the side The magnet is bonded and fixed.
- the limiting portion is disposed on the magnet, the buckle portion is disposed on the washer, or the limiting portion is disposed on the washer, and the buckle portion is disposed on the On the magnet.
- the limiting portion is disposed on the magnet, the locking portion is disposed on the basin frame; or the limiting portion is disposed on the basin frame, and the locking portion is disposed on the On the magnet.
- the limiting portion is a plug-in type card slot having a stepped structure including a vertical surface and a horizontal surface, and the two planes intersect perpendicularly; the horizontal plane and the vertical surface are formed by blanking a recess; a distance between the two ends of the horizontal plane is greater than a distance between the left and right end sides of the vertical plane.
- the latching portion is a bump that is adapted to the plug-in card slot, and also includes vertically intersecting vertical planes and a horizontal plane, and is engaged with the two planes of the plug-in card slot.
- the limiting portion is a bevel-shaped groove, comprising a vertical surface and a slope formed by the blanking, wherein the opposite sides of the inclined front and back are not equal in length, in the basin frame and the magnet or the magnet A concave surface that is inclined downward is formed on the bonding surface of the washer.
- the buckle portion is a protrusion that is matched with the sloped groove, and is engaged with the sloped groove.
- the limiting portion is disposed at an intermediate position or an edge position of the component of the magnetic circuit system, and the locking portion is disposed in the middle position or the edge position of the corresponding component in cooperation with the limiting portion.
- the brackets, the magnets, and/or the magnets and the washers disposed adjacent to each other are provided with a matching portion and a buckle portion, and the limiting portion and the buckle portion are located at each other.
- Two adjacent sets The bonding surface of the structure, and the limiting portion is engaged with the locking portion, so that the contact area between the basin frame and the magnet and/or the magnet and the washer can be increased, and the glue is applied on the basis of the structure.
- the bonding force is larger and the fixing is more firm and stable.
- the basin frame, the magnet and the Huashi which are part of the magnetic circuit system, are not easy to fall off, which can better ensure the miniature. Speaker performance.
- the magnetic circuit system of the micro-speaker is a single magnetic circuit or a dual magnetic circuit structure, and the limiting portion and the locking portion can be disposed not only on the basin frame, the magnet and the washer in the single magnetic circuit, but also can be set Between the central magnetic circuit and the components of the side magnetic circuit system in the dual magnetic circuit structure, the positioning structure is added on the bonding surface of the adjacent two structures to improve the bonding strength and increase the contact area.
- the dual-magnetic micro-speaker it is also possible to avoid the falling off of the side magnet and the edge-side, and to ensure that the magnetic circuit and the central magnetic circuit are equally stable and reliable.
- the adjacently disposed basin frame, magnet and/or magnet, and the limiting structure on the washer can be a plug-in type card slot, or a bevel-shaped groove, which is matched with the limiting portion.
- the buckle portion is more easily engaged with the limiting portion for easy operation and positioning, and the plug-in card slot structure and the beveled structure can increase the contact area more stably than other positioning structures, so that the positioning is more stable.
- the micro-speaker of the present invention can reduce or even avoid the phenomenon of magnet and detachment caused by poor adhesion in the prior art, improve the firmness of the frame and magnet, magnet and washer, and improve the single The stability of the magnetic circuit system in the magnetic circuit speaker and the dual magnetic circuit speaker, thereby ensuring the performance of the micro speaker product and improving the product yield.
- FIG. 1 is a perspective exploded view of a magnet insertion and extraction type card slot positioning structure according to an embodiment of the present invention
- Figure 2 is a front elevational view of a magnetic circuit system in accordance with an embodiment of the present invention.
- FIG. 3 is a top plan view of a magnetic circuit system according to an embodiment of the present invention.
- Figure 4 is a cross-sectional view showing a magnetic circuit system according to an embodiment of the present invention.
- FIG. 5 is a perspective exploded view of a two-side detachable card slot positioning structure according to an embodiment of the present invention
- Figure 6 is a front elevational view of a magnetic circuit system of an embodiment of the present invention.
- Figure 7 is a plan view of a second magnetic circuit system according to an embodiment of the present invention.
- Figure 8 is a cross-sectional view showing a magnetic circuit system of an embodiment of the present invention.
- FIG. 9 is a perspective exploded view of a three-sided Huasi inclined surface positioning structure according to an embodiment of the present invention.
- Figure 10 is a front elevational view of a three magnetic circuit system of an embodiment of the present invention.
- Figure 11 is a plan view of a three magnetic circuit system according to an embodiment of the present invention.
- Figure 12 is a cross-sectional view showing a three-circuit system of an embodiment of the present invention.
- the reference numerals include: 1, edge Huashi, 2, side magnet, 3, center Huasi, 4, center magnet, 5, basin frame, 6, limit, 6', limit, 7, card Buckle, 7', buckle, 8, vertical, 8', vertical, 9, horizontal, 9', bevel.
- Embodiment 1 is a diagrammatic representation of Embodiment 1:
- the present embodiment relates to a side magnetic circuit system of a dual magnetic circuit microspeaker, comprising a basin frame 5 and side magnets 2 and side ribs 1 housed in the basin frame 5.
- the bracket portion 5 and the side magnet 2 disposed adjacent to each other are respectively provided with a limiting portion 6 and a buckle portion 7, and the limiting portion 6 is a structure formed by cutting, the limiting portion 6 and The latching portion 7 is located on the bonding surface of the basin frame 5 and the side magnet 2, and the limiting portion 6 and the latching portion 7 are engaged and fixed for positioning of the side magnet 2.
- the limiting portion 6 is a plug-in type card slot structure having a stepped structure including a vertical surface 8 and a horizontal surface 9, and the two planes intersect perpendicularly; the vertical surface 8 and the horizontal surface 9 are both formed by blanking.
- the latching portion 7 is a bump corresponding to the limiting portion 6, and also includes vertically intersecting vertical faces and horizontal planes, and is respectively engaged with the vertical face 8 of the limiting portion 6 and the horizontal plane 9.
- the limiting portion 6 and the locking portion 7 are respectively disposed on the adjacently disposed basin frame 5 and the side magnet 2, and the limiting portion 6 and the locking portion 7 are located on the bonding surfaces of the two.
- the contact area between the basin frame 5 and the side magnet 2 can be increased, and when the glue is fixed, the bonding force is stronger, and the fixing of the basin frame 5 and the side magnet 2 is more secure, so that the side magnet 2 is specifically manufactured in the product.
- handling and use process It is not easy to fall off, better guarantee the stability of the dual magnetic circuit system and improve the performance of the product.
- the limiting portion 6 and the locking portion 7 are located at the edge positions of the basin frame 5 and the side magnet 2.
- the setting of the limiting portion 6 and the locking portion 7 is not limited to the edge position, and may be The middle position of the basin frame 5 and the side magnet 2.
- the limiting portion 6 is disposed on the basin frame 5, and the locking portion is disposed on the side magnet 2.
- the limiting portion may be disposed on the side magnet 2, and correspondingly, the locking portion is disposed in the basin On the shelf 5.
- Embodiment 2 is a diagrammatic representation of Embodiment 1:
- the embodiment relates to a dual magnetic circuit microspeaker, comprising a basin frame 5 and a magnet and a washer housed in the basin frame 5.
- the magnet comprises a central magnet 4 and a side magnet 2; the central magnet 4 Bonded and fixed to the middle position of the base of the basin frame 5, the side magnet 2 is fixed at the edge of the base of the basin frame 5 and located around the center magnet 4; the Chinese division includes the center Huasi 3 and the edge Huasi 1; 3 is bonded and fixed to the central magnet 4; the edge washer 1 and the side magnet 2 are bonded and fixed.
- the basin frame 5, the central magnet 5 and the central huasi 3 form a central magnetic circuit system; the basin frame 5, the side magnet 2 and the edge huasi 1 form a side magnetic circuit system.
- This embodiment is basically the same as the first embodiment, and the difference is that:
- the limiting portion 6 is disposed on the side magnet 2
- the locking portion 7 is disposed on the edge washer 1 fixed to the side magnet 2 for positioning of the edge washer 1.
- the limiting portion 6 and the locking portion 7 are respectively disposed at the edge positions of the side magnet 2 and the edge washer 1, but in a specific implementation process, the edge magnet 2 and the edge washer 1 can also be adhered.
- the middle positions of the knots are set separately.
- the limiting portion 6 may also be disposed on the edge washer 1 , and correspondingly, the buckle portion is disposed on the side magnet 2 .
- Embodiment 3 is a diagrammatic representation of Embodiment 3
- the present embodiment is basically the same as the second embodiment, and the difference is as follows:
- the limiting portion 6' is a beveled groove including a vertical face 8' formed by the blank and a bevel 9', the bevel 9' The lengths of the two straight sides which are opposite to each other are not equal, and a concave surface which is inclined downward is formed on the bonding faces of the side magnet 2 and the edge washer 1.
- the latching portion 7' is a bump that is adapted to the limiting portion 6' and engages with the beveled groove.
- the limiting portion 6' and the locking portion 7' are disposed at the edge positions of the side magnet 2 and the edge washer 1, but in the specific implementation process, the edge magnet 2 and the edge side can also be The intermediate positions of the bonding faces of the division 1 are respectively set. Further, the stopper portion 6' may be provided on the side rib 1 and the hook portion 7' may be provided on the side magnet 2.
- the limiting portion may be disposed on the central magnet, and the locking portion is correspondingly disposed on the basin frame; or the limiting portion is disposed on the basin frame, and the buckle portion corresponds to It is disposed on the side magnet; in addition, the limiting portion can also be disposed on the center washer, the buckle portion is correspondingly disposed on the center magnet; or the limiting portion is disposed on the center magnet, and the buckle portion is disposed on the center washer In order to ensure the bond strength between the various components of the central magnetic circuit system, the combination is stronger.
- the bracket can be provided with a limiting portion or a locking portion, and the magnet disposed adjacent thereto can be provided with a buckle portion or a limiting portion; likewise, on the magnet
- the limit portion or the buckle portion may be provided, and the buckle portion or the limit portion may be provided on the adjacent Huawei machine; further, the setting of the limit portion and the buckle portion is not limited Between the basin frame, the magnet, or between the magnet and the huasi, it can also be placed at the same time on the bonding surface of the basin frame, the magnet and the magnet, and the Huashi, further increasing the contact area between the various components of the magnetic circuit system and improving the bonding. strength.
- the number of the limiting portion and the locking portion in the microspeaker according to the present invention is not limited to one, and two or more may be provided at the same time, and both may be disposed at an intermediate position or an edge position of a component of the magnetic circuit system, or Set at the edge position and the middle position at the same time.
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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)
Abstract
Description
Claims (10)
- 一种微型扬声器,包括磁路系统;所述磁路系统包括盆架、收容于所述盆架内的磁铁和华司;所述盆架与所述磁铁粘结固定;所述磁铁与所述华司粘结固定,其特征在于:相邻设置的所述盆架、所述磁铁上和/或所述磁铁、所述华司上设有相互配合的卡扣部和限位部;所述限位部为去料形成的结构;所述卡扣部与所述限位部均位于两者的粘结面上;所述限位部和所述卡扣部卡合固定。
- 根据权利要求1所述的微型扬声器,其特征在于:所述磁路系统为单磁路结构或双磁路结构。
- 根据权利要求1所述的微型扬声器,其特征在于:所述磁路系统为双磁路;所述磁铁包括中心磁铁和边磁铁;所述中心磁铁粘结固定于所述盆架的基部的中间位置,所述边磁铁固定于所述盆架的基部的边缘位置且位于所述中心磁铁的周围;所述华司包括中心华司和边华司;所述中心华司与所述中心磁铁粘结固定;所述边华司与所述边磁铁粘结固定。
- 根据权利要求1所述的微型扬声器,其特征在于:所述限位部设置于所述磁铁上,所述卡扣部设置于所述华司上;或者所述限位部设置于所述华司上,所述卡扣部设置于所述磁铁上。
- 根据权利要求1所述的微型扬声器,其特征在于:所述限位部设置于所述磁铁上,所述卡扣部设置于所述盆架上;或者所述限位部设置于所述盆架上,所述卡扣部设置于所述磁铁上。
- 根据权利要求4或5所述的微型扬声器,其特征在于:所述限位部为插拔式卡槽,具有台阶状结构,包括一个竖直面和一个水平面,并且两个平面垂直相交;所述水平面和所述竖直面均为去料形成的凹陷;所述水平面两端的距离大于所述竖直面左右端侧的距离。
- 根据权利要求6所述的微型扬声器,其特征在于:卡扣部为与所述插拔式卡槽相适配的凸块,也包括垂直相交的竖直面和水平面,并且与所述插拔式 卡槽的两个平面卡接。
- 根据权利要求4或5所述的微型扬声器,其特征在于:所述限位部为斜面状凹槽,包括去料形成的竖直面和斜面,所述斜面前后相对的两直边长度不等,在所述盆架与所述磁铁或所述磁铁与所述华司的粘结面上形成向下倾斜的凹面。
- 根据权利要求8所述的微型扬声器,其特征在于:卡扣部为与所述斜面状凹槽相适配的凸块,并且与所述斜面状凹槽卡合。
- 根据权利要求1所述的微型扬声器,其特征在于:所述限位部设置于所述磁路系统的部件的中间位置或边缘位置,所述卡扣部与所述限位部配合设置于对应部件的中间位置或边缘位置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15/539,992 US10123124B2 (en) | 2014-12-25 | 2015-11-11 | Miniature loudspeaker |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410820436.5 | 2014-12-25 | ||
| CN201410820436 | 2014-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2016101723A1 true WO2016101723A1 (zh) | 2016-06-30 |
Family
ID=56149203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2015/094272 Ceased WO2016101723A1 (zh) | 2014-12-25 | 2015-11-11 | 微型扬声器 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US10123124B2 (zh) |
| WO (1) | WO2016101723A1 (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112601161B (zh) * | 2020-12-09 | 2021-12-14 | 共达电声股份有限公司 | 扬声器 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203086724U (zh) * | 2013-01-03 | 2013-07-24 | 瑞声光电科技(常州)有限公司 | 电磁扬声器 |
| CN203387664U (zh) * | 2013-05-27 | 2014-01-08 | 歌尔声学股份有限公司 | 发声器件 |
| CN103686551A (zh) * | 2013-11-28 | 2014-03-26 | 歌尔声学股份有限公司 | 发声器件 |
| CN203747987U (zh) * | 2013-12-13 | 2014-07-30 | 瑞声光电科技(常州)有限公司 | 发声器 |
| CN203883987U (zh) * | 2013-12-11 | 2014-10-15 | 歌尔声学股份有限公司 | 扬声器模组 |
| CN204539459U (zh) * | 2014-12-25 | 2015-08-05 | 歌尔声学股份有限公司 | 微型扬声器 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080001615A (ko) * | 2007-06-08 | 2008-01-03 | 신기음향 주식회사 | 소형 스피커 |
| KR20100042176A (ko) * | 2008-10-15 | 2010-04-23 | 크레신 주식회사 | 스피커 및 그 제조방법 |
-
2015
- 2015-11-11 US US15/539,992 patent/US10123124B2/en active Active
- 2015-11-11 WO PCT/CN2015/094272 patent/WO2016101723A1/zh not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203086724U (zh) * | 2013-01-03 | 2013-07-24 | 瑞声光电科技(常州)有限公司 | 电磁扬声器 |
| CN203387664U (zh) * | 2013-05-27 | 2014-01-08 | 歌尔声学股份有限公司 | 发声器件 |
| CN103686551A (zh) * | 2013-11-28 | 2014-03-26 | 歌尔声学股份有限公司 | 发声器件 |
| CN203883987U (zh) * | 2013-12-11 | 2014-10-15 | 歌尔声学股份有限公司 | 扬声器模组 |
| CN203747987U (zh) * | 2013-12-13 | 2014-07-30 | 瑞声光电科技(常州)有限公司 | 发声器 |
| CN204539459U (zh) * | 2014-12-25 | 2015-08-05 | 歌尔声学股份有限公司 | 微型扬声器 |
Also Published As
| Publication number | Publication date |
|---|---|
| US10123124B2 (en) | 2018-11-06 |
| US20170353802A1 (en) | 2017-12-07 |
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