CN206908825U - Vibrational system and sound-producing device in a kind of sound-producing device - Google Patents
Vibrational system and sound-producing device in a kind of sound-producing device Download PDFInfo
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- CN206908825U CN206908825U CN201720331187.2U CN201720331187U CN206908825U CN 206908825 U CN206908825 U CN 206908825U CN 201720331187 U CN201720331187 U CN 201720331187U CN 206908825 U CN206908825 U CN 206908825U
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- voice coil
- centring disk
- centring
- vibrational system
- loudspeaker voice
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Abstract
The vibrational system and sound-producing device in a kind of sound-producing device, including vibrating diaphragm and the voice coil loudspeaker voice coil for being connected to vibrating diaphragm lower end are the utility model is related to, in addition to is symmetrically connected to the centring disk portion of voice coil loudspeaker voice coil both sides；The centring disk portion includes the centring disk of structure identical first, the second centring disk, and the first centring disk, second centring disk in each centring disk portion are symmetrically distributed on the direction of vibration of vibrational system.The vibration upward to voice coil loudspeaker voice coil of first centring disk, the second centring disk, the support force vibrated downwards are the same, so its inhibition to polarization is also consistent, thereby may be ensured that the stability of tonequality.And the first centring disk of structure identical, the second centring disk are used, the batch mixing of material can be prevented, and the quantity of centring disk mould is reduced, reduce assembly cost and Material Cost.
Description
Technical field
Electroacoustic conversion art is the utility model is related to, more specifically, the utility model is related to shaking in a kind of sound-producing device
Dynamic system；The utility model further relates to a kind of sound-producing device.
Background technology
Loudspeaker is the important acoustic element in electronic equipment, and it is a kind of transducer for electric signal being changed into acoustical signal
Part.Existing loudspeaker module, including shell, and the magnetic circuit system and vibrational system being arranged in shell, the vibration
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.
To prevent the polarization of acoustics module vibrational system, conventional loudspeaker increases centring disk in voice coil loudspeaker voice coil both sides, passed through
The centring disk of voice coil loudspeaker voice coil both sides carrys out the polarization problem of buffering vibration system.But this centring disk, when suppressing to polarize, its is right
The inhibition that vibrational system is vibrated and vibrated downwards upwards is different, and this species diversity can cause the bad of acoustical behavior.
Utility model content
A purpose of the present utility model there is provided the vibrational system in a kind of sound-producing device.
According to one side of the present utility model, there is provided the vibrational system in a kind of sound-producing device, including vibrating diaphragm and company
The voice coil loudspeaker voice coil of vibrating diaphragm lower end is connected on, in addition to is symmetrically connected to the centring disk portion of voice coil loudspeaker voice coil both sides；The centring disk portion includes knot
The centring disk of structure identical first, the second centring disk, the first centring disk, second centring disk pair in each centring disk portion
Title is distributed on the direction of vibration of vibrational system.
Alternatively, first centring disk, the second centring disk respectively include be used for connect voice coil loudspeaker voice coil first connecting portion,
For connecting the second connecting portion of housing, and the bending section between first connecting portion, second connecting portion.
Alternatively, the centring disk portion is connected to the lower surface of voice coil loudspeaker voice coil.
Alternatively, the centring disk portion is connected in the side wall of voice coil loudspeaker voice coil.
Alternatively, the second centring disk is located at the top of the first centring disk, wherein, the first of second centring disk
Connecting portion is folded upward at and fit together with the side wall of voice coil loudspeaker voice coil；The bending downwards of the first connecting portion of first centring disk is simultaneously
Fit together with the side wall of voice coil loudspeaker voice coil.
Alternatively, the second connecting portion of first centring disk is fitted in one with the second connecting portion of the second centring disk
Rise.
Alternatively, the bending section of first centring disk and the bending section of the second centring disk define closing or non-
The circle of closing, ellipse, the cyclic structure of rhombus or rectangle.
Alternatively, the voice coil loudspeaker voice coil includes speech coil framework and the coiling being wrapped on speech coil framework；In the speech coil framework
On be provided with multiple lightening holes.
According to another aspect of the present utility model, a kind of sound-producing device is additionally provided, including housing and in housing
Magnetic circuit system, above-mentioned vibrational system.
Alternatively, the magnetic circuit system include with bottom yoke, and positioned at yoke both sides and with the yoke one
Body formed side of sidewall portion；Also include the centring magnet (3) installed in yoke medium position；The centring magnet is formed with side of sidewall portion
The magnetic gap of magnetic circuit system.
Because the structure of the first centring disk, the second centring disk is identical, and the two is symmetrically distributed in shaking for vibrational system
On dynamic direction, when vibrational system vibrate, the first centring disk, the second centring disk be upward to voice coil loudspeaker voice coil to be vibrated, is vibrated downwards
Support force is the same, so its inhibition to polarization is also consistent, thereby may be ensured that the stability of tonequality.And
Using the centring disk of structure identical first, the second centring disk, the batch mixing of material can be prevented, and reduces centring disk mould
Quantity, reduce assembly cost and Material Cost.
It is of the present utility model other by referring to the drawings to the detailed description of exemplary embodiment of the present utility model
Feature and its advantage will be made apparent from.
Brief description of the drawings
The accompanying drawing of a part for constitution instruction describes embodiment of the present utility model, and uses together with the description
In explanation principle of the present utility model.
Fig. 1 is the explosive view of the utility model vibrational system.
Fig. 2 is the structural representation in centring disk portion in Fig. 1.
Embodiment
Various exemplary embodiments of the present utility model are described in detail now with reference to accompanying drawing.It should be noted that：It is unless another
Illustrate outside, the part 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 accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
With reference to figure 1, Fig. 2, the utility model provides the vibrational system in a kind of sound-producing device, it include vibrating diaphragm 8 and
It is connected to the voice coil loudspeaker voice coil of the lower end of vibrating diaphragm 8.Voice coil loudspeaker voice coil of the present utility model include speech coil framework 9 and be wrapped on speech coil framework 9 around
Line 7, the coiling 7 can be enamel-covered wires, are successively wrapped on speech coil framework 9 and form voice coil loudspeaker voice coil of the present utility model.The voice coil loudspeaker voice coil is whole
Body can be with square or rectangle etc..The upper end of voice coil loudspeaker voice coil is connected to the lower surface of vibrating diaphragm 8, such as can shaken by glue sticking
The lower surface of film 8, this connected mode and attachment structure belong to the common knowledge of those skilled in the art.
Speech coil framework of the present utility model can use metal material, such as can use the art technologies such as almag
The material of lighter weight known to personnel.In one preferred embodiment of the utility model, set on the speech coil framework 9
Multiple lightening hole 9a are put, the quality of whole voice coil loudspeaker voice coil can be reduced by these lightening holes 9a.
Vibrational system of the present utility model, in addition to it is symmetrically connected to the centring disk portion of voice coil loudspeaker voice coil both sides.Centring disk portion
Two can be provided with, two centring disk portions are symmetrically distributed in the both sides of voice coil loudspeaker voice coil.Such as when voice coil loudspeaker voice coil is rectangle structure
When, two centring disk portions can be separately positioned on two short sides of voice coil loudspeaker voice coil, or are separately positioned on two long sides of voice coil loudspeaker voice coil
On.The centring disk portion can also be provided with four, be symmetricly set in two long sides and two short sides of voice coil loudspeaker voice coil.
When connection, the one end in the centring disk portion can also may be used by glue sticking on the lower surface of voice coil loudspeaker voice coil
To be bonded in the side wall of voice coil loudspeaker voice coil；The other end in centring disk portion is used to link together with the housing of sound-producing device.
In one specific embodiment of the utility model, the centring disk portion feels relieved including structure identical first
Branch piece 5, the second centring disk 6.With reference to figure 2, first centring disk 5, the second centring disk 6 include being used to connect sound respectively
The first connecting portion 10 of circle, the second connecting portion 12 for connecting housing, and positioned at first connecting portion 10, second connecting portion 12
Between bending section 11.
Centring disk can use material well-known to those skilled in the art, its first connecting portion 10, bending section 11,
Two connecting portions 12 can be integrally formed.The inside edge of centring disk is connected to the side of voice coil loudspeaker voice coil by its first connecting portion 10
On wall or lower surface；The outer ledge of centring disk is connected on the housing of sound-producing device by second connecting portion 12, so as to
Realize connection of the centring disk in vibrational system so that the polarization of voice coil loudspeaker voice coil can be suppressed by centring disk.
First centring disk 5, the second centring disk 6 are symmetrically distributed on the direction of vibration of vibrational system.Reference chart
1st, Fig. 2 view direction, first centring disk 5 is arranged on the lower section of the second centring disk 6, and the two is symmetrical.Example
Such as, the first connecting portion of second centring disk 6 is folded upward at and fit together with the side wall of voice coil loudspeaker voice coil；First centering
The first connecting portion of branch piece 5 bends downwards and fit together with the side wall of voice coil loudspeaker voice coil.
Because the structure of the first centring disk, the second centring disk is identical, and the two is symmetrically distributed in shaking for vibrational system
On dynamic direction, when vibrational system vibrate, the first centring disk, the second centring disk be upward to voice coil loudspeaker voice coil to be vibrated, is vibrated downwards
Support force is the same, so its inhibition to polarization is also consistent, thereby may be ensured that the stability of tonequality.And
Using the centring disk of structure identical first, the second centring disk, the batch mixing of material can be prevented, and reduces centring disk mould
Quantity, reduce assembly cost and Material Cost.
The centring disk 6 of first centring disk 5 and second of the present utility model can be separate；It can also be institute
The second connecting portion and the second connecting portion of the second centring disk 6 for stating the first centring disk 5 fit together, with reference to figure 2.Because
The outer ledge in centring disk portion needs the housing with sound-producing device to link together, for the ease of installation, by the first centering branch
The second connecting portion of piece 5 and the second connecting portion of the second centring disk 6 directly fit together, jointly with the housing of sound-producing device
Connect.
Further, after the second connecting portion of two centring disks fits together, the bending of first centring disk 5
The bending section of portion and the second centring disk 6 defines the ring-type knot of the circle of closing or non-close, ellipse, rhombus or rectangle
Structure.That is, if the first connecting portion of two centring disks contacts, above-mentioned cyclic structure is then closing
, it is on the contrary then be non-close.
Vibrational system of the present utility model may apply in sound-producing device, such as loudspeaker, receiver etc., be this this reality
A kind of sound-producing device is additionally provided with new, it includes housing and the magnetic circuit system in housing, above-mentioned vibrational system.
In one specific embodiment of the utility model, the magnetic circuit system can include the yoke 1 with bottom,
And positioned at the both sides of yoke 1 and with the integrally formed side of sidewall portion 2 of the yoke 1.Also include being arranged in the medium position of yoke 1
Heart magnet 3, center washer 4 is additionally provided with the top of the centring magnet 3.The centring magnet 3 constitutes magnetic with side of sidewall portion 2
The magnetic gap of road system.The upper end of voice coil loudspeaker voice coil is connected on vibrating diaphragm 8, and the magnetic gap of lower end and magnetic circuit system is combined together.
With reference to figure 1, in order to avoid centring disk portion causes to interfere with magnetic circuit system, the centring disk portion is preferably provided at
On two short sides of voice coil loudspeaker voice coil；And the magnetic gap and two long sides of voice coil loudspeaker voice coil that side of sidewall portion 2 surrounds with centring magnet 3 are combined together.
This fit structure belongs to the common knowledge of those skilled in the art, no longer illustrates herein.
Although some specific embodiments of the present 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)
- A kind of 1. vibrational system in sound-producing device, it is characterised in that：Including vibrating diaphragm (8) and it is connected to vibrating diaphragm (8) lower end Voice coil loudspeaker voice coil, in addition to it is symmetrically connected to the centring disk portion of voice coil loudspeaker voice coil both sides；The centring disk portion is fixed including structure identical first Heart branch piece (5), the second centring disk (6), the first centring disk (5), second centring disk (6) in each centring disk portion are symmetrical It is distributed on the direction of vibration of vibrational system.
- 2. vibrational system according to claim 1, it is characterised in that：First centring disk (5), the second centring disk (6) include being used to connect the first connecting portion (10) of voice coil loudspeaker voice coil, the second connecting portion (12) for connecting housing respectively, and be located at Bending section (11) between first connecting portion (10), second connecting portion (12).
- 3. vibrational system according to claim 2, it is characterised in that：The centring disk portion is connected to the lower end of voice coil loudspeaker voice coil Face.
- 4. vibrational system according to claim 2, it is characterised in that：The centring disk portion is connected to the side wall of voice coil loudspeaker voice coil On.
- 5. vibrational system according to claim 4, it is characterised in that：Second centring disk (6) is located at the first centring disk (5) top, wherein, the first connecting portion of second centring disk (6) is folded upward at and is fitted in one with the side wall of voice coil loudspeaker voice coil Rise；The first connecting portion of first centring disk (5) bends downwards and fit together with the side wall of voice coil loudspeaker voice coil.
- 6. vibrational system according to claim 5, it is characterised in that：The second connecting portion of first centring disk (5) Fit together with the second connecting portion of the second centring disk (6).
- 7. vibrational system according to claim 6, it is characterised in that：The bending section of first centring disk (5) and the The bending section of two centring disks (6) defines the cyclic structure of closing or the circle of non-close, ellipse, rhombus or rectangle.
- 8. vibrational system according to claim 1, it is characterised in that：The voice coil loudspeaker voice coil includes speech coil framework (9) and winding Coiling (7) on speech coil framework (9)；Multiple lightening holes (9a) are provided with the speech coil framework (9).
- A kind of 9. sound-producing device, it is characterised in that：Magnetic circuit system including housing and in housing, according to claim 1 To the vibrational system any one of 8.
- 10. sound-producing device according to claim 9, it is characterised in that：The magnetic circuit system includes the yoke with bottom (1), and positioned at yoke (1) both sides and with the yoke (1) integrally formed side of sidewall portion (2)；Also include being arranged on yoke (1) The centring magnet (3) of medium position；The centring magnet (3) constitutes the magnetic gap of magnetic circuit system with side of sidewall portion (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720331187.2U CN206908825U (en) | 2017-03-30 | 2017-03-30 | Vibrational system and sound-producing device in a kind of sound-producing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720331187.2U CN206908825U (en) | 2017-03-30 | 2017-03-30 | Vibrational system and sound-producing device in a kind of sound-producing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206908825U true CN206908825U (en) | 2018-01-19 |
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ID=61295291
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720331187.2U Active CN206908825U (en) | 2017-03-30 | 2017-03-30 | Vibrational system and sound-producing device in a kind of sound-producing device |
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| Country | Link |
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| CN (1) | CN206908825U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112218217A (en) * | 2020-11-17 | 2021-01-12 | 无锡杰夫电声股份有限公司 | Voice coil loudspeaker voice coil with buffer structure stability is strong |
-
2017
- 2017-03-30 CN CN201720331187.2U patent/CN206908825U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112218217A (en) * | 2020-11-17 | 2021-01-12 | 无锡杰夫电声股份有限公司 | Voice coil loudspeaker voice coil with buffer structure stability is strong |
| CN112218217B (en) * | 2020-11-17 | 2021-09-07 | 无锡杰夫电声股份有限公司 | Voice coil loudspeaker voice coil with buffer structure stability is strong |
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