CN207304906U - A kind of sound-producing device - Google Patents
A kind of sound-producing device Download PDFInfo
- Publication number
- CN207304906U CN207304906U CN201721073967.8U CN201721073967U CN207304906U CN 207304906 U CN207304906 U CN 207304906U CN 201721073967 U CN201721073967 U CN 201721073967U CN 207304906 U CN207304906 U CN 207304906U
- Authority
- CN
- China
- Prior art keywords
- voice coil
- sound
- producing device
- vibrating diaphragm
- supporting item
- 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.)
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Classifications
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- 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
- H04R9/02—Details
-
- 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
Abstract
It the utility model is related to a kind of sound-producing device, the vibrating diaphragm component that is fixed together including the housing with rectangular profile, with housing and the voice coil loudspeaker voice coil for being connected to vibrating diaphragm component lower end, supporting item is provided between voice coil loudspeaker voice coil and housing, supporting item includes matching the frame combined with the one end of voice coil loudspeaker voice coil away from vibrating diaphragm component, and the connecting portion of fixation is connected with the corner positions of rectangular housing, further include the spring beam between connecting portion and frame.The sound-producing device of the utility model, more efficiently can weaken polarization, increase audition surplus, improve sound-producing device power, improve overall performance.
Description
Technical field
Electroacoustic field is the utility model is related to, more particularly, to a kind of sound-producing device.
Background technology
Loudspeaker is the important acoustic element in electronic equipment, it is a kind of transducer for electric signal being changed into acoustical signal
Part.Existing loudspeaker module, including shell, and magnetic circuit system inside the shell and vibrational system, the vibration are set
System includes vibrating diaphragm and the voice coil loudspeaker voice coil being arranged on below vibrating diaphragm.Voice coil loudspeaker voice coil drives vibrating diaphragm to be sent out under the effect of vibration of magnetic circuit system
Sound.
In some loadspeaker structures, in order to suppress the polarization of voice coil loudspeaker voice coil, it will usually set centering between vibrating diaphragm and voice coil loudspeaker voice coil
Branch piece so that centring disk can play the role of balancing voice coil vibrations, but in the prior art, centring disk is typically designed to
The cyclic structure of rectangle, including the connecting portion that the frame and shell being connected with voice coil loudspeaker voice coil are fixed together, and frame and connecting portion
Cyclic structure is both designed as, at this time, the elastic arm of centring disk is often to be evenly distributed in the gap of the two formation.But
It is that part the most serious is polarized in vibration processes since the corner location of vibrational system is only, it is fixed in the prior art
This design of heart branch piece is limited for the effect for balancing voice coil vibrations.
Utility model content
One purpose of the utility model there is provided a kind of sound-producing device.
One side according to the present utility model, there is provided a kind of sound-producing device, including the housing with rectangular profile and institute
State vibrating diaphragm component that housing is fixed together and the voice coil loudspeaker voice coil for being connected to vibrating diaphragm component lower end；Between the voice coil loudspeaker voice coil and the housing
Supporting item is provided with, wherein, the supporting item includes matching the frame combined with the one end of voice coil loudspeaker voice coil away from the vibrating diaphragm component, with
And the connecting portion of fixation is connected with the corner positions of rectangular housing, further include the spring beam between connecting portion and frame.
Alternatively, the frame positioned at the supporting item medium position is in the ring-type closed；Positioned at the supporting item margin location
Four corners that the connecting portion put corresponds to rectangular housing are set；The spring beam is correspondingly arranged on four, from the frame
Corner extends to four connecting portions.
Alternatively, the spring beam is S-shaped or zigzag.
Alternatively, the structure that the connecting portion, spring beam, frame are integrally formed.
Alternatively, the supporting item can use silica gel and/or thermoplastic elastic material.
Alternatively, the supporting item uses FPCB plates, and the extraction location of lead is located at the lower end of voice coil loudspeaker voice coil on voice coil loudspeaker voice coil, described
The pad for being electrically connected voice coil leads is additionally provided with supporting item.
Alternatively, the vibrating diaphragm component includes vibrating diaphragm, and is compounded in the top dome in diaphragm oscillations region；The vibrating diaphragm component
For flat-head type or middle part convex closure type or medial recess type or middle part hollow type.
Alternatively, magnetic circuit system is further included；The magnetic circuit system includes yoke, and the center magnetic being arranged in yoke
Iron, two major axis sides for being at least arranged at yoke and the side magnet that magnetic gap is formed with centring magnet.
Alternatively, the yoke is plate-like structure, and the side magnet is equipped with four pieces, is corresponded to respectively positioned at the yoke
Two major axis sides and two short axle sides.
Alternatively, injection is combined with side washer on the housing, and the lead of the voice coil loudspeaker voice coil is vacantly arranged, lead is right after drawing
Position fair line described in Ying Yu above the washer of side, is additionally provided with moulding at the position, also, on the moulding formed with
Receive the groove of the lead.
The vibrational system of the utility model, the lower end of voice coil loudspeaker voice coil are fixedly supported by the frame of supporting item, voice coil loudspeaker voice coil
Upper end links together with vibrating diaphragm, thus the upper and lower ends of voice coil loudspeaker voice coil can be limited respectively by vibrating diaphragm, supporting item, so as to
More effectively to balance the vibration of voice coil loudspeaker voice coil, the polarization problem of voice coil loudspeaker voice coil is reduced, improves the sounding effect of vibrational system, increase is listened
Sound surplus, improves sound-producing device power, improves overall performance.
Again since supporting item is set with four corners of connecting portion that housing is combined corresponding to housing respectively, spring beam
It is corresponding to be distributed in corner positions, this structure can the significantly more polarization weakened at voice coil loudspeaker voice coil corner location, balance voice coil loudspeaker voice coil shakes
Dynamic effect is more preferable.
Since injection is combined with side washer on housing, the position corresponded to after the lead extraction of voice coil loudspeaker voice coil above the washer of side is suitable
Line, moulding, also, the groove formed with receiving lead on moulding are additionally provided with the position, can not change original
There is loudspeaker side washer structure, in the case of making full use of the magnetic line of force and ensureing lead fixing intensity, reduce lead to voice coil loudspeaker voice coil
Influence, improve the acoustical behavior of loudspeaker on the whole.
By referring to the drawings to the detailed description of the exemplary embodiment of the utility model, the utility model it is other
Feature and its advantage will be made apparent from.
Brief description of the drawings
The attached drawing of a part for constitution instruction describes the embodiment of the utility model, and uses together with the description
In the principle for explaining the utility model.
Fig. 1 is a kind of explosive view of embodiment of the utility model sound-producing device.
Fig. 2 is a kind of bottom view of embodiment of the utility model sound-producing device.
Fig. 3 is a kind of profile of embodiment of the utility model sound-producing device.
Fig. 4 is the explosive view of the utility model sound-producing device another embodiment.
Fig. 5 is the bottom view of the utility model sound-producing device another embodiment.
Fig. 6 is the profile of the utility model sound-producing device another embodiment.
Fig. 7 is a kind of structure diagram of embodiment of the utility model sound-producing device supporting item.
Fig. 8 is the structure diagram of the utility model sound-producing device supporting item another embodiment.
Embodiment
The various exemplary embodiments of the utility model are described in detail now with reference to attached drawing.It should be noted that：It is unless another
Illustrate outside, the component and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited
The scope of the utility model processed.
The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.
It may be not discussed in detail for technology and equipment known to person of ordinary skill in the relevant, but in appropriate situation
Under, the technology and equipment should be considered as part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent attached drawing in a attached drawing.
Referring to figs. 1 to Fig. 3, the utility model provides a kind of sound-producing device, it includes vibrating diaphragm component and be connected to shake
The voice coil loudspeaker voice coil 3 of membrane module lower end.The vibrating diaphragm component of the utility model can be only a vibrating diaphragm 2, which includes shaking positioned at middle part
Dynamic section, the linkage section for being used to connect positioned at edge, and the ring section between vibration section and linkage section.The knot of this vibrating diaphragm
Structure belongs to the common knowledge of those skilled in the art.The voice coil loudspeaker voice coil 3 can be by gemel connection in the vibration fragment position of vibrating diaphragm 2.
Certainly, for a person skilled in the art, the vibrating diaphragm component can also include top dome 1, and the top dome 1 connects
It is connected in the vibration section of vibrating diaphragm 2, such as the upper surface or lower face of section can be being vibrated by glue sticking, the voice coil loudspeaker voice coil 3 can
It is connected in top dome 1, is also attached on vibrating diaphragm 2, depending on the bonding position of top dome 1.
The vibrating diaphragm component can be flat-head type, such as the vibration section of the vibrating diaphragm 2 is a plane, and top dome, which is bonded in, shakes
In dynamic section.The vibrating diaphragm component can also be middle part hollow type, such as the middle part of the vibrating diaphragm 2 is provided with hollow out, the ball
Top 1 is covered in the hollow out position of vibrating diaphragm 2, and the voice coil loudspeaker voice coil 3 is attached in top dome 1.Certainly, during the vibrating diaphragm component can also be
Portion's convex closure type, medial recess, the vibrating diaphragm component of these structures belong to the common knowledge of those skilled in the art, herein no longer
Repeated.
The sound-producing device of the utility model, further includes housing 5, and supporting item 4 is provided with the housing 5, has in one kind
In the embodiment of body, which can be centring disk.With reference to figure 7, the supporting item 4 includes and 3 lower end shape of voice coil loudspeaker voice coil
Matched frame 40, and the connecting portion 42 for connection, and the spring beam 41 between connecting portion 42 and frame 40.Institute
5 lower end of housing can be for example connected to by way of glue or hot melt by stating the connecting portion 42 of supporting item 4, so that supporting item 4 is outstanding
Put in the lower section of housing 5.
Shape, the size of frame 40 are matched with 3 lower end of voice coil loudspeaker voice coil so that frame 40 can be bonded in the lower face of voice coil loudspeaker voice coil 3
On, specifically, frame 40 is designed as hollow closed hoop structure, positioned at the medium position of supporting item 4.Such as the frame 40
Rectangle frame can be used.
In the technical program, connecting portion 42 and spring beam 41 can be respectively arranged with four, wherein, positioned at the side of supporting item 4
The connecting portion 42 of edge position corresponds to the position at four angles of rectangular housing 5, to realize that stablizing for frame 40 supports.It is corresponding
, in the gap between connecting portion 42 and frame 40, spring beam 41 is also distributed in corner positions, specifically, spring beam 41
Extended to from four corners of frame 40 at connecting portion 42.Spring beam 41 can use S-shaped or jagged structure so that can
To improve the vibration performance of frame 40, and play the role of balance to frame 40.Corner is arranged on additionally, due to spring beam 41, can
To be effectively improved the polarization of voice coil loudspeaker voice coil corner.
The housing 5 of the utility model preferably has hollow inner cavity, and when installation, the supporting item 4 is connected to shell
The lower end of body 5, the linkage section of the vibrating diaphragm 2 can be bonded in the upper end of housing 5, the voice coil loudspeaker voice coil 3 through the inner cavity of housing 5 and with
The frame 40 of supporting item 4 is bonded together so that supporting item 4 can play the role of support, support from lower end to voice coil loudspeaker voice coil 4.
The sound-producing device of the utility model, the lower end of voice coil loudspeaker voice coil are fixedly supported by the frame of supporting item, voice coil loudspeaker voice coil
Upper end links together with vibrating diaphragm, thus the upper and lower ends of voice coil loudspeaker voice coil can be limited respectively by vibrating diaphragm, supporting item, so as to
More effectively to balance the vibration of voice coil loudspeaker voice coil, the polarization problem of voice coil loudspeaker voice coil is reduced, the sounding effect of vibrational system is improved, improves
The reliability of vibrational system.
In the utility model, connecting portion 42, spring beam 41, the frame 40 of supporting item 4 can be integrally formed.In this reality
With in a new specific embodiment, the supporting item 4 can use silica gel material, can also use thermoplastic elastomer (TPE)
Material, can also use the composite construction of the two.Certainly, listed herewith is highly elastic material, naturally it is also possible to using for example
Plastic material well-known to those skilled in the art etc., as long as there is certain elasticity.With reference to figure 7, using this structure
Supporting item 4, the upper end connection vibrating diaphragm component of voice coil loudspeaker voice coil 3, lower end connects the frame 40 of supporting item 4, and the lead 31 of voice coil loudspeaker voice coil 3 still presses
Drawn according to traditional cabling mode.
In another specific embodiment of the utility model, the supporting item 4 uses FPCB plates, with reference to figure 8, described
The pad 43 for being electrically connected 3 lead 31 of voice coil loudspeaker voice coil is additionally provided with supporting item 4.Using the supporting item 4 of this structure so that can be by sound
The extraction location for enclosing 3 leads 31 is arranged on the lower end of voice coil loudspeaker voice coil 3, and the lower end of the voice coil loudspeaker voice coil 3 is connected on the frame 40 of supporting item 4
Afterwards, its lead 31 is connected directly between on the pad 43 of supporting item 4 so that the electric signal of voice coil leads 31 can pass through supporting item 4
Itself draws.
The magnetic circuit system of the utility model can be that single magnetic circuit or double magnetic circuit or those skilled in the art institute are ripe
Other magnetic structures known etc..In one specific embodiment of the utility model, with reference to figure 1, magnetic circuit system includes yoke
8, and the centring magnet 70 that is arranged in yoke 8 and be correspondingly arranged in respectively yoke 8 two major axis sides and two short axles
Four blocks of side magnet 71 of side.Centring magnet 70 can be arranged on the central area of yoke 8, also be set in the upper surface of centring magnet 70
It is equipped with center washer 6.The outside of the centrally disposed magnet 70 of side magnet 71 so that between the centring magnet 70 and side magnet 71
Constitute the magnetic gap for coordinating with voice coil loudspeaker voice coil 3.It is of course also possible to be to be provided only with two blocks of side magnet, it is distributed in its correspondence
Two major axis sides of yoke 8.The concrete structure of magnetic circuit can be designed according to actual conditions, not influence this technology side in principle
The implementation of case.
Under the action of magnetic circuit system so that the voice coil loudspeaker voice coil of energization can drive vibrating diaphragm component to carry out vibration sounding, this hair
Sound principle belongs to the common knowledge of those skilled in the art, no longer illustrates herein.
Fig. 4-Fig. 6 is illustrated that the sound-producing device of another embodiment, it is essentially identical compared with the above embodiment,
It the difference is that only：
With reference to shown in figure 5 and Fig. 6, integrated injection molding has side washer 61 on housing 5, correspond to after the extraction of lead 31 of voice coil loudspeaker voice coil 3
The position fair line of the top of side washer 61, specifically can be from the top position fair line of the side washer 61 on long axis direction, in the position
Place is additionally provided with moulding 51, also, the groove formed with receiving lead 31 on moulding 51.In this structure design, lead
31 vacantly arrange.This structure can not change original loudspeaker side washer structure, make full use of the magnetic line of force and guarantee
In the case of lead fixing intensity, influence of the lead to voice coil loudspeaker voice coil is reduced, improves the acoustical behavior of loudspeaker on the whole.
Although some specific embodiments of the utility model are described in detail by example, this area
It is to be understood by the skilled artisans that above example merely to illustrate, rather than in order to limit the scope of the utility model.This
Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case of, to above example
Modify.The scope of the utility model is defined by the following claims.
Claims (10)
1. a kind of sound-producing device, including the vibrating diaphragm group that the housing (5) with rectangular profile and the housing (5) are fixed together
Part and the voice coil loudspeaker voice coil (3) for being connected to vibrating diaphragm component lower end；Supporting item is provided between the voice coil loudspeaker voice coil (3) and the housing (5)
(4), it is characterised in that：
The supporting item (4) includes matching the frame (40) combined, Yi Jiyu with the one end of voice coil loudspeaker voice coil (3) away from the vibrating diaphragm component
The connecting portion (42) of the corner positions connection fixation of rectangular housing (5), further includes between connecting portion (42) and frame (40)
Spring beam (41).
2. sound-producing device according to claim 1, it is characterised in that：Positioned at the frame of the supporting item (4) medium position
(40) in the ring-type of closure；Connecting portion (42) positioned at the supporting item (4) marginal position corresponds respectively to rectangular housing (5)
Four corners are set；The spring beam (41) is correspondingly arranged on four, and described four are extended to from the corner of the frame (40)
Connecting portion (42).
3. sound-producing device according to claim 2, it is characterised in that：The spring beam (41) is S-shaped or zigzag.
4. sound-producing device according to claim 2, it is characterised in that：The connecting portion (42), spring beam (41), frame
(40) structure being integrally formed.
5. sound-producing device according to claim 1, it is characterised in that：The supporting item (4) can use silica gel and/or thermoplastic
Property elastomeric material.
6. sound-producing device according to claim 1, it is characterised in that：The supporting item (4) uses FPCB plates, voice coil loudspeaker voice coil (3)
The extraction location of upper lead is located at the lower end of voice coil loudspeaker voice coil (3), and the weldering for being electrically connected voice coil leads is additionally provided with the supporting item (4)
Disk (43).
7. sound-producing device according to claim 1, it is characterised in that：The vibrating diaphragm component includes vibrating diaphragm (2), and compound
In the top dome (1) of vibrating diaphragm (2) vibration area；The vibrating diaphragm component is flat-head type or middle part convex closure type or medial recess type or middle part
Hollow type.
8. sound-producing device according to claim 1, it is characterised in that：Further include magnetic circuit system；The magnetic circuit system includes
Yoke (8), and be arranged in yoke (8) centring magnet (70), be at least arranged at yoke (8) two major axis sides and with
Centring magnet (70) forms the side magnet (71) of magnetic gap.
9. sound-producing device according to claim 8, it is characterised in that：The side magnet (71) is equipped with four pieces, corresponds to respectively
Positioned at two major axis sides of the yoke (8) and two short axle sides.
10. sound-producing device according to claim 1, it is characterised in that：Injection is combined with side washer on the housing (5),
The lead of the voice coil loudspeaker voice coil (3) vacantly arranges that lead corresponds to the position fair line above the side washer after drawing, at the position
Moulding is additionally provided with, also, formed with the groove for receiving the lead on the moulding.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721073967.8U CN207304906U (en) | 2017-08-25 | 2017-08-25 | A kind of sound-producing device |
| PCT/CN2017/102686 WO2019037187A1 (en) | 2017-08-25 | 2017-09-21 | Sound emitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721073967.8U CN207304906U (en) | 2017-08-25 | 2017-08-25 | A kind of sound-producing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207304906U true CN207304906U (en) | 2018-05-01 |
Family
ID=62438832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721073967.8U Active CN207304906U (en) | 2017-08-25 | 2017-08-25 | A kind of sound-producing device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207304906U (en) |
| WO (1) | WO2019037187A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109862478A (en) * | 2019-03-27 | 2019-06-07 | 深圳市信维声学科技有限公司 | A kind of Microspeaker |
| CN113645552A (en) * | 2021-08-31 | 2021-11-12 | 歌尔股份有限公司 | Sound production device for electronic device and electronic device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100687208B1 (en) * | 2006-01-17 | 2007-02-26 | 주식회사 벨류텔 | A micro-speaker generating acoustic vibration and sound simultaneously |
| CN203193879U (en) * | 2013-04-15 | 2013-09-11 | 歌尔声学股份有限公司 | Vibratory loudspeaker |
| CN203691624U (en) * | 2013-12-26 | 2014-07-02 | 歌尔声学股份有限公司 | Loudspeaker |
| CN205545913U (en) * | 2016-01-28 | 2016-08-31 | 瑞声光电科技(常州)有限公司 | Micro sound production device |
| CN205566633U (en) * | 2016-01-28 | 2016-09-07 | 瑞声光电科技(常州)有限公司 | Micro sound production device |
| CN205491130U (en) * | 2016-01-28 | 2016-08-17 | 瑞声光电科技(常州)有限公司 | Micro sound production device |
| CN206136268U (en) * | 2016-06-15 | 2017-04-26 | 瑞声声学科技(深圳)有限公司 | Micro sound production device |
-
2017
- 2017-08-25 CN CN201721073967.8U patent/CN207304906U/en active Active
- 2017-09-21 WO PCT/CN2017/102686 patent/WO2019037187A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109862478A (en) * | 2019-03-27 | 2019-06-07 | 深圳市信维声学科技有限公司 | A kind of Microspeaker |
| CN113645552A (en) * | 2021-08-31 | 2021-11-12 | 歌尔股份有限公司 | Sound production device for electronic device and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019037187A1 (en) | 2019-02-28 |
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