CN206698423U - 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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- CN206698423U CN206698423U CN201720243653.1U CN201720243653U CN206698423U CN 206698423 U CN206698423 U CN 206698423U CN 201720243653 U CN201720243653 U CN 201720243653U CN 206698423 U CN206698423 U CN 206698423U
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- China
- Prior art keywords
- voice coil
- centring disk
- elastomer
- lead
- coil loudspeaker
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Abstract
It the utility model is related to the vibrational system and sound-producing device in a kind of sound-producing device, including vibrating diaphragm and it is connected to the voice coil loudspeaker voice coil of vibrating diaphragm lower end, the voice coil loudspeaker voice coil has two leads, in addition to centring disk, and the edge of the centring disk is connected to the position of neighbouring voice coil leads on voice coil loudspeaker voice coil lower surface；Two leads of the voice coil loudspeaker voice coil are connected on centring disk by elastomer respectively, and carry out fair line along the bearing of trend of centring disk.Vibrational system of the present utility model; the lead of voice coil loudspeaker voice coil passes through from centring disk; and it is connected to by elastomer on centring disk; so that length direction of the lead of voice coil loudspeaker voice coil along centring disk carries out fair line; the elastomer can not only suppress the resonance that lead easily occurs under specific frequency; but also lead can be protected, it is prevented by stress and to pull power excessive and lead broken string occur；Lead can also be avoided wiping occur with centring disk simultaneously and touch problem, ensure that the acoustical behavior and reliability of product.
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.
With requirement more and more higher of the Microspeaker for low frequency characteristic, preferable low frequency characteristic causes Microspeaker
Performance can expand to lower frequency section, but when speaker operation is in lower frequency, vibrational system has very big vibration position
Move, voice coil leads are consequently also vibrated in big displacement.To coordinate big displacement, lead is needed to be designed as compared with long lead, but this length is drawn
Easily there is resonance in vibration processes in line, while voice coil leads wiping also easily occur with centring disk and touch and produce noise so that sound
Distortion performance is learned to be deteriorated.Easily there is stress and excessive and lead disconnection problem occur, loudspeaker of pullling power in lead under big displacement
Reliability is unstable.
Prior art is when solving lead disconnection problem mostly by the way of optimization fair line track, but often fair line track
Design be limited by the influence in space, Oscillation Amplitude, it is difficult to ensure that the realization of optimal fair line track scheme.Solve lead and centering
Branch piece is wiped often increases distance between lead and centring disk when touching problem, to avoid wiping from touching generation, but is limited by micro- at present
Type speaker volume is more and more narrower and small, and this mode is increasingly difficult to implement.
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, the voice coil loudspeaker voice coil has two leads, in addition to centring disk, the edge connection of the centring disk
The position of neighbouring voice coil leads on voice coil loudspeaker voice coil lower surface；Two leads of the voice coil loudspeaker voice coil are connected to centering branch by elastomer respectively
On piece, and fair line is carried out along the bearing of trend of centring disk.
Alternatively, for the lower surface bonds of the elastomer on centring disk, the lead is bonded in the upper table of elastomer
Face.
Alternatively, the elastomer is bonded on centring disk, and the lead is wrapped in elasticity by way of injection
In vivo.
Alternatively, the length of the elastomer and the length of centring disk are corresponding.
Alternatively, the centring disk includes being used to connect voice coil loudspeaker voice coil lower end first horizontal segment, for connect housing the
Two horizontal segments, and the bending section among first horizontal segment, the second horizontal segment；The elastomer is bonded in bending section institute shape
Into groove in.
Alternatively, the height of the elastomer is below or equal to the groove height that bending section is formed.
Alternatively, the voice coil loudspeaker voice coil is rectangle, and two leads of the voice coil loudspeaker voice coil are located on the short side of voice coil loudspeaker voice coil.
Alternatively, the elastomer is from one kind in PEEK, TPU, PU, PEN, silica gel.
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.
Vibrational system of the present utility model, the lead of voice coil loudspeaker voice coil pass through from centring disk, and are connected to and determined by elastomer
In heart branch piece so that length direction of the lead of voice coil loudspeaker voice coil along centring disk carries out fair line, and the elastomer can not only suppress
The resonance that lead easily occurs under specific frequency, but also lead can be protected, it is prevented by stress and to pull power excessive and go out
Existing lead broken string；Simultaneously lead and centring disk can also be avoided wiping occur and touch problem, ensure that product acoustical behavior and can
By property.
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 top view of the utility model vibrational system.
Fig. 2 is Fig. 1 front view.
Fig. 3 is the structural representation of centring disk 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, Fig. 3, the utility model provides the vibrational system in a kind of sound-producing device, and it includes vibrating diaphragm
(view does not provide), the voice coil loudspeaker voice coil 1 and centring disk 3 with two leads 2.Voice coil loudspeaker voice coil 1 can be successively entwined by enamel-covered wire,
Its entirety can be with square or rectangle etc..Two leads 2 of voice coil loudspeaker voice coil 1 are respectively positioned at the relative both ends of voice coil loudspeaker voice coil 1.Such as when
When voice coil loudspeaker voice coil 1 selects rectangle structure, its two leads 2 can be located at respectively on two short sides of voice coil loudspeaker voice coil 1 or (lead in long side
2 extraction location from voice coil loudspeaker voice coil 1).The structure of this voice coil loudspeaker voice coil belongs to the common knowledge of those skilled in the art, no longer specific herein
Explanation.
The upper end of voice coil loudspeaker voice coil 1 is connected to the lower surface of vibrating diaphragm, such as can be by glue sticking in the lower surface of vibrating diaphragm, this connection
Mode and attachment structure belong to the common knowledge of those skilled in the art.It is neighbouring that the centring disk 3 is connected to the lower end of voice coil loudspeaker voice coil 1
On the position that lead 2 is drawn.Such as when the extraction location of lead 2 is located on the short side of voice coil loudspeaker voice coil 1, then centring disk 3 is connected to
The lower end of the short side of voice coil loudspeaker voice coil 1；When the extraction location of lead 2 is located in the long side of voice coil loudspeaker voice coil 1, then centring disk 3 is connected to voice coil loudspeaker voice coil 1 and grown
The lower end on side.One end of the centring disk 3 is bonded in the lower end of voice coil loudspeaker voice coil 1, and the other end is used for the housing for being connected to sound-producing device
On (view does not provide).
Vibrational system of the present utility model, in addition to the elastomer 4 being arranged on centring disk 3, the lead 2 pass through bullet
Property body 4 be connected on centring disk 3, and along self-centering branch piece 3 bearing of trend carry out fair line.
Elastomer 4 of the present utility model can select elastic material, including but not limited to PEEK, TPU, PU, PEN, silicon
The elastic materials such as glue, or the diaphragm materials using elasticity or compound PEEK materials.The length of the elastomer 4 is preferably with determining
The length of heart branch piece 3 is corresponding so that elastomer 4 can extend along the length direction of centring disk 3.
In one specific embodiment of the utility model, the lower surface of the elastomer 4 can be bonded in centering branch
On piece 3, the lead 2 is bonded in the upper surface of elastomer 4, so that the support of lead 2 is connected into centering by elastomer 4
In branch piece 3 so that lead 2 can carry out fair line along the length direction of elastomer 4.
In the utility model another specific embodiment, the elastomer 4 can be bonded on centring disk 3,
The lead 2 can be wrapped in elastomer 4 by way of injection.That is, by way of injection so that elasticity
Body 4 wraps lead 2, so that lead 2 carries out fair line on the length direction of elastomer 4.
The centring disk 3 can select shape well-known to those skilled in the art.It is preferred in the utility model one
Embodiment in, with reference to figure 2, Fig. 3, the centring disk 3 include be used for connect the lower end of voice coil loudspeaker voice coil 1 first horizontal segment 30, use
In the second horizontal segment 32 of connection housing, and the bending section 31 among first horizontal segment 30, the second horizontal segment 32.First
Horizontal segment 30, bending section 31, the second horizontal segment 32 are connected in turn so that position shape of the centring disk 3 in bending section 31
Into a groove.
The elastomer 4 can be bonded in the groove that bending section 31 is formed so that can be by the groove to elasticity
Body 4 carries out spacing.The shape of elastomer 4 preferably matches with the shape of groove so that elastomer 4 has larger glue with groove
Junction.The height of the elastomer 4 is below or equal to the groove height that bending section 31 is formed.Elastomer 4 can so be caused
Lead 2 is wrapped up as much as possible, while ensures that elastomer 4 does not influence the assembling of other components.
Vibrational system of the present utility model, the lead of voice coil loudspeaker voice coil pass through from centring disk, and are connected to and determined by elastomer
In heart branch piece so that length direction of the lead of voice coil loudspeaker voice coil along centring disk carries out fair line, and the elastomer can not only suppress
The resonance that lead easily occurs under specific frequency, but also lead can be protected, it is prevented by stress and to pull power excessive and go out
Existing lead broken string；Simultaneously lead and centring disk can also be avoided wiping occur and touch problem, ensure that product acoustical behavior and can
By property.
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.
The cooperation of vibrational system and magnetic circuit system 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 (9)
- A kind of 1. vibrational system in sound-producing device, it is characterised in that：Including vibrating diaphragm and it is connected to the voice coil loudspeaker voice coil of vibrating diaphragm lower end (1), the voice coil loudspeaker voice coil (1) has two leads (2), in addition to centring disk (3), the edge of the centring disk (3) are connected to The position of neighbouring voice coil leads (2) on voice coil loudspeaker voice coil (1) lower surface；Two leads (2) of the voice coil loudspeaker voice coil (1) pass through elastomer respectively (4) it is connected on centring disk (3), and fair line is carried out along the bearing of trend of centring disk (3).
- 2. vibrational system according to claim 1, it is characterised in that：The lower surface bonds of the elastomer (4) are being felt relieved In branch piece (3), the lead (2) is bonded in the upper surface of elastomer (4).
- 3. vibrational system according to claim 1, it is characterised in that：The elastomer (4) is bonded in centring disk (3) On, the lead (2) is wrapped in by way of injection in elastomer (4).
- 4. vibrational system according to claim 1, it is characterised in that：The length of the elastomer (4) and centring disk (3) Length it is corresponding.
- 5. according to the vibrational system described in any one of Claims 1-4, it is characterised in that：The centring disk (3) includes being used for The first horizontal segment (30) of voice coil loudspeaker voice coil (1) lower end, the second horizontal segment (32) for connecting housing are connected, and positioned at first level Bending section (31) among section (30), the second horizontal segment (32)；The elastomer (4) be bonded in bending section (31) formed it is recessed In groove.
- 6. vibrational system according to claim 5, it is characterised in that：The height of the elastomer (4) is below or equal to The groove height that bending section (31) is formed.
- 7. vibrational system according to claim 1, it is characterised in that：The voice coil loudspeaker voice coil (1) is rectangle, the voice coil loudspeaker voice coil (1) Two leads (2) be located on the short side of voice coil loudspeaker voice coil (1).
- 8. vibrational system according to claim 1, it is characterised in that：The elastomer (4) from PEEK, TPU, PU, One kind in PEN, silica gel.
- A kind of 9. sound-producing device, it is characterised in that：Magnetic circuit system, such as claim 1 to 8 including housing and in housing Vibrational system described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720243653.1U CN206698423U (en) | 2017-03-13 | 2017-03-13 | Vibrational system and sound-producing device in a kind of sound-producing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720243653.1U CN206698423U (en) | 2017-03-13 | 2017-03-13 | Vibrational system and sound-producing device in a kind of sound-producing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206698423U true CN206698423U (en) | 2017-12-01 |
Family
ID=60443160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720243653.1U Active CN206698423U (en) | 2017-03-13 | 2017-03-13 | Vibrational system and sound-producing device in a kind of sound-producing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206698423U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019205659A1 (en) * | 2018-04-27 | 2019-10-31 | 歌尔股份有限公司 | Sound producing device, sound producing module, and electronic terminal |
-
2017
- 2017-03-13 CN CN201720243653.1U patent/CN206698423U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019205659A1 (en) * | 2018-04-27 | 2019-10-31 | 歌尔股份有限公司 | Sound producing device, sound producing module, and electronic terminal |
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