CN204598309U - Vibrating diaphragm and be provided with the Microspeaker of this vibrating diaphragm - Google Patents
Vibrating diaphragm and be provided with the Microspeaker of this vibrating diaphragm Download PDFInfo
- Publication number
- CN204598309U CN204598309U CN201520283956.7U CN201520283956U CN204598309U CN 204598309 U CN204598309 U CN 204598309U CN 201520283956 U CN201520283956 U CN 201520283956U CN 204598309 U CN204598309 U CN 204598309U
- Authority
- CN
- China
- Prior art keywords
- ring
- vibrating diaphragm
- microspeaker
- central part
- edge part
- 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
Links
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The utility model discloses a kind of vibrating diaphragm and be provided with the Microspeaker of this vibrating diaphragm, relate to electro-acoustic product technical field, comprise be connected in turn from inside to outside central part, ring portion and edge part, described ring portion comprises the first ring and the second ring that link together, described first ring connects described central part, and described second ring connects described edge part; Described first ring is contrary with the overbending direction of described second ring; Described central part and described edge part lay respectively in two different planes, and two described plane parallel.The utility model vibrating diaphragm and the Microspeaker being provided with this vibrating diaphragm solve the technical problem that in prior art, Microspeaker distortion is serious, the utility model vibrating diaphragm and be provided with in the Microspeaker of this vibrating diaphragm, the Cms symmetry of vibrating diaphragm is good, and Microspeaker distortion is little, and acoustical behavior is high; Good operating stability simultaneously, long service life.
Description
Technical field
The utility model relates to electro-acoustic product technical field, particularly a kind of vibrating diaphragm and be provided with the Microspeaker of this vibrating diaphragm.
Background technology
Microspeaker is the important acoustic element of portable electric appts, for the sound wave signal of telecommunication is converted to voice signal, is a kind of energy conversion device.Microspeaker generally includes and is contained in vibrational system in shell and magnetic circuit system, and vibrational system comprises the vibrating diaphragm and voice coil loudspeaker voice coil that combine; Magnetic circuit system comprises magnet and magnetic conductive part.Voice coil loudspeaker voice coil does cutting magnetic line movement according to the sound wave signal of telecommunication by its coiling in the magnetic field that magnetic circuit system produces, and vibrating diaphragm vibrates along with the motion of voice coil loudspeaker voice coil, instigates air sounding, thus converts the sound wave signal of telecommunication to sound and spread out of.
Determine that good Yu the bad project of Microspeaker acoustical behavior has a lot, distortion is one of them very important project, lower distortion better can reduce original audio, reach the object of sound reproduction, regulate the Cms (mechanical compliance at vibrating diaphragm edge of Microspeaker vibrating diaphragm, unit is rice/newton) symmetry reduces the importance of distortion, and to revise surround shape be regulate the symmetric effective ways of Cms.The structure of current vibrating diaphragm is all the central part (position of bonding voice coil loudspeaker voice coil) and the edge part (position that gluing is fixing) that are connected vibrating diaphragm by the ring portion of one section of epirelief, the vibrating diaphragm of this kind of structure when vibrating because himself original upper and lower asymmetry very easily causes vibrating diaphragm to subside downwards, resilience is poor, to cause in diaphragm oscillations process Cms upwards and downward Cms asymmetric, Cms during downward vibration is greater than Cms when upwards vibrating, thus causing Microspeaker distortion comparatively serious, acoustical behavior is poor.
Utility model content
For above defect, first technical problem to be solved in the utility model is to provide a kind of vibrating diaphragm, and this vibrating diaphragm Cms symmetry is good, can not produce when vibrating subside bad downwards.
Based on same inventive concept, second technical problem to be solved in the utility model is to provide a kind of Microspeaker, and this Microspeaker distortion is little, and acoustical behavior is high.
For solving above-mentioned first technical problem, the technical solution of the utility model is:
A kind of vibrating diaphragm, comprise be connected in turn from inside to outside central part, ring portion and edge part, described ring portion comprises the first ring and the second ring that link together, and described first ring connects described central part, and described second ring connects described edge part; Described first ring is contrary with the overbending direction of described second ring; Described central part and described edge part lay respectively in two different planes, and two described plane parallel.
Wherein, the position that is connected with described second ring of described first ring and described centre are in same plane.
Wherein, described first ring is the convex ring of the top projection to described central part, and described second ring is the recessed ring caved in the below of described central part, and the position of described central part is higher than the position of described edge part.
Wherein, described central part is closed platy structure.
Wherein, the circulus of perforate centered by described central part.
For solving above-mentioned second technical problem, the technical solution of the utility model is:
A kind of Microspeaker, involving vibrations system and magnetic circuit system, described vibrational system comprises the vibrating diaphragm and voice coil loudspeaker voice coil that link together, and described vibrating diaphragm is above-mentioned vibrating diaphragm.
Wherein, described Microspeaker also comprises the ring-shaped shell of a both ends open, and the described edge part of described vibrating diaphragm is fixed on the upper surface of described shell, and described magnetic circuit system is fixed on the inner side of described shell.
Wherein, described magnetic circuit system comprises sidewall and is fixed on frame inside described side wall of outer shell, the inner side of described side wall of outer shell is provided with the location division combined with described frame sidewall, and described location division is the right-angle structure be simultaneously combined with outside and the top of described frame sidewall.
Wherein, the end of the described location division combined with the top of described frame sidewall is provided with chamfering inclined-plane.
Wherein, described location division is provided with multiple, and multiple described location divisions are disposed on the inner side of described side wall of outer shell.
After have employed technique scheme, the beneficial effects of the utility model are:
Due to the utility model vibrating diaphragm comprise be connected in turn from inside to outside central part, ring portion and edge part, ring portion comprises the first ring and the second ring that link together, and the first ring connects central part, the second ring fillet edge; First ring is contrary with the overbending direction of the second ring, and central part and edge are in the plane that two are different, and two plane parallel.Ring portion is made up of two sections of rings that overbending direction is contrary, when diaphragm oscillations, effectively can increase the support resilience of ring, reduce Cms during vibration downwards, add Cms when upwards vibrating, what effectively improve that vibrating diaphragm subsides downwards is bad, adds the Cms symmetry of vibrating diaphragm entirety.
Vibrating diaphragm due to the utility model Microspeaker is above-mentioned vibrating diaphragm, and the Cms symmetry of vibrating diaphragm is good, thus effectively reduces the distortion of Microspeaker, improves the acoustical behavior of Microspeaker; The job stability of Microspeaker is high simultaneously, long service life.
Because the end of the location division combined with the top of frame sidewall is provided with chamfering inclined-plane, chamfering inclined-plane reduces the volume of the shell being positioned at surround bottom, the obstruction to air-flow is also reduced while cavity space after adding loud speaker, make the airflow of loud speaker back cavity more smooth and easy, further improve the acoustical behavior of Microspeaker.
Because location division is provided with multiple, multiple location division is disposed on the inner side of side wall of outer shell, spaced multiple location division is while ensure that the fixation to magnetic circuit system, the rear cavity space taken is less, and the back cavity increasing loud speaker is spoken passage, makes the circulation of loud speaker back cavity air-flow more smooth and easy, while promoting loud speaker acoustical behavior, loud speaker radiating effect is better, and service behaviour is more stable, longer service life.
In sum, the utility model vibrating diaphragm and the Microspeaker being provided with this vibrating diaphragm solve the technical problem that in prior art, Microspeaker distortion is serious, the utility model vibrating diaphragm and be provided with in the Microspeaker of this vibrating diaphragm, the Cms symmetry of vibrating diaphragm is good, Microspeaker distortion is little, and acoustical behavior is high; Good operating stability simultaneously, long service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model vibrating diaphragm;
Fig. 2 is the sectional structure schematic diagram of the utility model vibrating diaphragm;
Fig. 3 is the sectional structure schematic diagram of the utility model Microspeaker;
Fig. 4 is the decomposition texture schematic diagram of the utility model Microspeaker;
In figure: 10, vibrating diaphragm, 12, central part, 14, ring portion, the 140, first ring, the 142, second ring, 16, edge part, 20, shell, 22, location division, 220, chamfering inclined-plane, 30, ball top, 32, voice coil loudspeaker voice coil, 40, frame, 42, magnet, 44, washer.
Embodiment
Below in conjunction with drawings and Examples, set forth the utility model further.
The orientation related in this specification refers to the direction of vibrational system, under orientation, refer to the direction of magnetic circuit system; The side at nearly Microspeaker center is depended in inner side, and outside refers to the side away from Microspeaker center.
Embodiment one:
As shown in Figure 1, a kind of vibrating diaphragm, comprise be connected in turn from inside to outside central part 12, ring portion 14 and edge part 16.Ring portion 14 comprises the first ring 140 of linking together and the second ring 142, first ring 140 connects central part 12, and the overbending direction of the second ring 142 fillet edge 16, first ring 140 is contrary with the overbending direction of the second ring 142.
As Fig. 1 and Fig. 2 jointly shown in, present embodiment preferably the first ring 140 is the convex ring of the top projection to central part 12, and the second ring 142 is the recessed ring caved in the below of central part 12.Wherein the structure of the first ring 140 is identical with the ring structure of vibrating diaphragm in prior art, and the two ends of the first ring 140 are positioned at same plane, thus the connecting portion of the first ring 140 and the second ring 142 and central part 12 are located in the same horizontal plane.Second ring 142 is connected to the outer side-lower of the first ring 140, thus makes the central part 12 of vibrating diaphragm and edge part 16 be positioned at two different planes, and these two plane parallel, and the position of central part 12 is higher than the position of edge part 16.When designing, the Cms symmetry of vibrating diaphragm can be regulated by the ratio of the width and height that change the first ring and the second ring.
As Fig. 1 and Fig. 2 jointly shown in, central part 12 is the platy structure closed, in practical application, the central part of this vibrating diaphragm also can adopt the circulus of center drilling, structure due to central part is not invention main points of the present utility model, therefore central part is that the structure of the vibrating diaphragm of circulus does not embody in the accompanying drawings, but those skilled in the art does not need to pay creative work according to Fig. 1 and Fig. 2 and above-mentioned explanatory note, and the technical solution of the utility model can be applied to central part be in the vibrating diaphragm of circulus.
Diaphragm structure of the present utility model also can be the structure of the vertical mirror of vibrating diaphragm as depicted in figs. 1 and 2, namely the first ring be connected with central part is the recessed ring caved in below central part, the second ring be connected with edge part is convex ring protruding above central part, and the position residing for edge part is higher than the position residing for central part.
Embodiment two:
As Fig. 3 and Fig. 4 jointly shown in, a kind of Microspeaker is rectangle structure, and comprise shell 20 and the vibrational system be fixed on shell 20 and magnetic circuit system, shell 20 is the rectangle circulus of both ends open.Vibrational system comprises vibrating diaphragm 10, the edge part 16 (see Fig. 1) of vibrating diaphragm 10 is fixed on shell 20 upper surface, vibrating diaphragm 10 is the vibrating diaphragm described in embodiment one, the upside (side away from magnetic circuit system) of the central part 12 (see Fig. 1) of vibrating diaphragm 10 is fixed with ball top 30, and the downside of central part 12 is fixed with voice coil loudspeaker voice coil 32.Magnetic circuit system comprises frame 40, the sidewall of frame 40 is fixed on the inside sidewalls of shell 20, the medial center position of frame 40 is fixed with magnet 42 and washer 44 successively, and be provided with magnetic gap between the sidewall of magnet 42 and washer 44 and frame 40, the end of voice coil loudspeaker voice coil 32 is positioned at magnetic gap.
As Fig. 3 and Fig. 4 jointly shown in, the clear width of shell 20 sidewall is provided with multiple location division 22 protruding from shell 20 side wall inner surfaces, the longitudinal section of location division 22 is right-angle structure, the position that itself and the sidewall of shell 20 parallel combines with the outer surface of frame 40 sidewall, and its position perpendicular with shell 20 combines with the upper surface of frame 40 sidewall.Contact area between the location division 22 of this kind of right-angle structure and frame 40 is large, namely in vertical direction positioning action is served to magnetic circuit system, too increase the bond strength between frame 40 and shell 20 simultaneously, effectively reduce the probability that magnetic circuit system comes off from shell 20, extend the useful life of Microspeaker.
As Fig. 3 and Fig. 4 jointly shown in, the end that location division 22 combines with the upper surface of frame 40 sidewall is provided with chamfering inclined-plane 220, chamfering inclined-plane 220 increases the cavity space after loud speaker, also reduce the obstruction to air-flow simultaneously, make the airflow of loud speaker back cavity more smooth and easy, improve the acoustical behavior of Microspeaker.
As shown in Figure 3, the lower surface setting of shell 20 is protruded in the bottom of frame 40, this kind of structure of Microspeaker is when it is installed in module, make the rear operatic tunes space of module larger, also effectively can reduce the thickness of module simultaneously, namely improve the acoustical behavior of module, module can be made again can to meet the demand of slimming development.
The utility model by turn increasing one section of second ring contrary with original ring overbending direction outside the ring having now vibrating diaphragm, make when diaphragm oscillations, effectively add the support resilience of ring, reduce Cms during vibration downwards, add Cms when upwards vibrating, what effectively improve that vibrating diaphragm subsides downwards is bad, add the Cms symmetry of vibrating diaphragm entirety, thus effectively improve the distortion of Microspeaker, improve the acoustical behavior of Microspeaker, improve job stability and the useful life of Microspeaker simultaneously.
This specification is only that the technical scheme that the ring portion to the utility model vibrating diaphragm comprises two sections of overbending directions contrary for the vibrating diaphragm in above-described embodiment and Microspeaker is explained in detail, in practical application, the shape of vibrating diaphragm and the structure of Microspeaker are all not limited to described in above-described embodiment, the technical solution of the utility model can be applied on any one vibrating diaphragm, therefore no matter identical whether with above-described embodiment of the structure of the shape of vibrating diaphragm and Microspeaker, as long as the ring portion of vibrating diaphragm is made up of the ring that two sections of overbending directions are contrary, for improving the Cms symmetry of vibrating diaphragm, the product reducing Microspeaker distortion all falls within protection range of the present utility model.
The first ring related in this specification and the name of the second ring are only used to distinguish technical characteristic, do not represent position relationship therebetween, processing sequence and job order etc.
The utility model is not limited to above-mentioned concrete execution mode, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion made, all drop within protection range of the present utility model.
Claims (10)
1. vibrating diaphragm, comprise be connected in turn from inside to outside central part, ring portion and edge part, it is characterized in that, described ring portion comprises the first ring and the second ring that link together, described first ring connects described central part, and described second ring connects described edge part; Described first ring is contrary with the overbending direction of described second ring; Described central part and described edge part lay respectively in two different planes, and two described plane parallel.
2. vibrating diaphragm according to claim 1, is characterized in that, the position that described first ring is connected with described second ring and described centre are in same plane.
3. vibrating diaphragm according to claim 2, it is characterized in that, described first ring is the convex ring of the top projection to described central part, and described second ring is the recessed ring caved in the below of described central part, and the position of described central part is higher than the position of described edge part.
4. the vibrating diaphragm according to the arbitrary claim of claims 1 to 3, is characterized in that, described central part is closed platy structure.
5. the vibrating diaphragm according to the arbitrary claim of claims 1 to 3, is characterized in that, the circulus of perforate centered by described central part.
6. Microspeaker, involving vibrations system and magnetic circuit system, described vibrational system comprises the vibrating diaphragm and voice coil loudspeaker voice coil that link together, it is characterized in that, described vibrating diaphragm is the vibrating diaphragm described in any one of claim 1 to 5 claim.
7. Microspeaker according to claim 6, it is characterized in that, described Microspeaker also comprises the ring-shaped shell of a both ends open, and the described edge part of described vibrating diaphragm is fixed on the upper surface of described shell, and described magnetic circuit system is fixed on the inner side of described shell.
8. Microspeaker according to claim 7, it is characterized in that, described magnetic circuit system comprises sidewall and is fixed on frame inside described side wall of outer shell, the inner side of described side wall of outer shell is provided with the location division combined with described frame sidewall, and described location division is the right-angle structure be simultaneously combined with outside and the top of described frame sidewall.
9. Microspeaker according to claim 8, is characterized in that, the end of the described location division combined with the top of described frame sidewall is provided with chamfering inclined-plane.
10. Microspeaker according to claim 9, is characterized in that, described location division is provided with multiple, and multiple described location divisions are disposed on the inner side of described side wall of outer shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520283956.7U CN204598309U (en) | 2015-05-05 | 2015-05-05 | Vibrating diaphragm and be provided with the Microspeaker of this vibrating diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520283956.7U CN204598309U (en) | 2015-05-05 | 2015-05-05 | Vibrating diaphragm and be provided with the Microspeaker of this vibrating diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204598309U true CN204598309U (en) | 2015-08-26 |
Family
ID=53934413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520283956.7U Active CN204598309U (en) | 2015-05-05 | 2015-05-05 | Vibrating diaphragm and be provided with the Microspeaker of this vibrating diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204598309U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105721994A (en) * | 2016-04-22 | 2016-06-29 | 歌尔声学股份有限公司 | Mini loudspeaker |
| CN106792402A (en) * | 2017-03-18 | 2017-05-31 | 歌尔股份有限公司 | Moving-magnetic type loudspeaker |
| CN107809712A (en) * | 2017-12-22 | 2018-03-16 | 奥音新材料（镇江）有限公司 | A kind of good diaphragm of loudspeaker of stability |
| CN108024182A (en) * | 2017-11-23 | 2018-05-11 | 瑞声科技(新加坡)有限公司 | Minitype acoustic generator and its assembly method |
| CN110754094A (en) * | 2017-07-27 | 2020-02-04 | 索尼公司 | Edge of diaphragm and speaker unit |
-
2015
- 2015-05-05 CN CN201520283956.7U patent/CN204598309U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105721994A (en) * | 2016-04-22 | 2016-06-29 | 歌尔声学股份有限公司 | Mini loudspeaker |
| CN106792402A (en) * | 2017-03-18 | 2017-05-31 | 歌尔股份有限公司 | Moving-magnetic type loudspeaker |
| CN110754094A (en) * | 2017-07-27 | 2020-02-04 | 索尼公司 | Edge of diaphragm and speaker unit |
| CN110754094B (en) * | 2017-07-27 | 2021-06-22 | 索尼公司 | Edge of diaphragm and speaker unit |
| CN108024182A (en) * | 2017-11-23 | 2018-05-11 | 瑞声科技(新加坡)有限公司 | Minitype acoustic generator and its assembly method |
| CN108024182B (en) * | 2017-11-23 | 2020-07-14 | 瑞声科技(新加坡)有限公司 | Miniature acoustic generator and assembly method thereof |
| CN107809712A (en) * | 2017-12-22 | 2018-03-16 | 奥音新材料（镇江）有限公司 | A kind of good diaphragm of loudspeaker of stability |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204598309U (en) | Vibrating diaphragm and be provided with the Microspeaker of this vibrating diaphragm | |
| CN204350291U (en) | Loud speaker module | |
| CN208638627U (en) | Loudspeaker | |
| CN104540080A (en) | Loudspeaker module | |
| WO2020119239A1 (en) | Loudspeaker | |
| CN202841514U (en) | Loudspeaker unit | |
| CN104902401A (en) | Sounder module | |
| CN201667712U (en) | Moving-coil type electroacoustic transducer | |
| CN104168527A (en) | Miniature loudspeaker | |
| CN203368739U (en) | Micro speaker | |
| CN201699967U (en) | Moving coil electro-acoustic transducer | |
| CN104469628A (en) | Slim type speaker and method for manufacturing thereof | |
| CN203912178U (en) | Loudspeaker module | |
| CN206908833U (en) | Minitype acoustic generator | |
| CN204291377U (en) | Microspeaker | |
| CN205017575U (en) | Loudspeaker | |
| CN209526865U (en) | Loudspeaker | |
| CN204598281U (en) | Loud speaker module | |
| CN101511048B (en) | Electro-acoustic converter with novel vibrating system and manufacturing method for vibrating system | |
| CN204119493U (en) | A kind of two-way vibrating diaphragm and a kind of loadspeaker structure | |
| CN101227767A (en) | Minitype moving-coil type electro-acoustic conversing device | |
| CN203301735U (en) | A micro loudspeaker | |
| CN204598303U (en) | Loud speaker module | |
| CN205017570U (en) | Voice coil loudspeaker voice coil and be equipped with speaker of this voice coil loudspeaker voice coil | |
| CN204291357U (en) | Loud speaker module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |