CN207124757U - Vibrational system and loudspeaker monomer - Google Patents
Vibrational system and loudspeaker monomer Download PDFInfo
- Publication number
- CN207124757U CN207124757U CN201720999808.4U CN201720999808U CN207124757U CN 207124757 U CN207124757 U CN 207124757U CN 201720999808 U CN201720999808 U CN 201720999808U CN 207124757 U CN207124757 U CN 207124757U
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- voice coil
- mass
- vibrational system
- reinforcement part
- barycenter
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Abstract
It the utility model is related to a kind of vibrational system and loudspeaker monomer.The vibrational system includes reinforcement part, vibrating diaphragm and voice coil loudspeaker voice coil；The voice coil loudspeaker voice coil and the reinforcement part are incorporated on the vibrating diaphragm, and the reinforcement part is provided with mass, and mass is configured as adjusting the position of the barycenter of vibrational system.A technical problem to be solved in the utility model is, by setting mass, to adjust the position of the barycenter of vibrational system, to improve polarization phenomena.
Description
Technical field
Acoustical device is the utility model is related to, more specifically, the utility model is related to vibrational system, and is shaken applied to this
The loudspeaker monomer of dynamic system.
Background technology
At present, Microspeaker of the prior art includes vibrational system, magnetic circuit system and accessory system.Wherein, shake
Dynamic system includes vibrating diaphragm and voice coil loudspeaker voice coil.Voice coil loudspeaker voice coil is sticked in the side of vibrating diaphragm.There is voice coil loudspeaker voice coil lead to be used to be connected with external circuit.Magnetic circuit
System includes centring magnet, side magnet, center washer and side washer.Wherein, center washer is sticked on centring magnet, Bian Hua
Department is sticked on the magnet of side, center washer and centring magnet and while washer and while magnet between form magnetic gap.Voice coil loudspeaker voice coil inserts magnetic
In magnetic gap in the system of road.After voice coil loudspeaker voice coil is passed through alternating current, voice coil loudspeaker voice coil receives upper and lower Ampere force in magnetic gap, makes voice coil loudspeaker voice coil
Drive vibrating diaphragm up-down vibration.And the optimal centroid position in vibrational system on Existential Space, i.e. all parts of vibrational system
Zero is leveled off to relative to the resultant moment of this barycenter.But because skewness be present in the quality of all parts of vibrational system
Situation, this will cause vibrational system actual barycenter can off-target barycenter position, i.e. barycenter can shift.Matter
The skew of the heart, the resultant moment of all parts of vibrational system can be caused to be no longer tend to zero, so as to which polarization occur, cause distortion liter
It is high.When polarizing serious, voice coil loudspeaker voice coil and magnetic structure are wiped and touched, and have a strong impact on music effect.
Due to being limited to Microspeaker self structure, available space is too small.In the prior art would generally be in vibrating diaphragm
Side cementing adjusts the Mass Distribution of vibrational system, so as to adjust its centroid position, and improves polarization.But effect is all
Undesirable or Product Status uniformity cannot ensure, but also can produce side effect, i.e. diaphragm oscillations are obstructed.
Utility model content
A purpose of the present utility model is to adjust the position of barycenter, to improve polarization phenomena.
According to one side of the present utility model, there is provided a kind of vibrational system, including reinforcement part, vibrating diaphragm and voice coil loudspeaker voice coil, it is described
Voice coil loudspeaker voice coil and the reinforcement part are incorporated on the vibrating diaphragm, and the reinforcement part is provided with mass, and the mass is configured as adjusting
The position of the barycenter of whole vibrational system.
Preferably, the mass is bonded on the reinforcement part.
Preferably, the mass at least two.
Preferably, the mass is bonded in the upper surface and/or lower surface of the reinforcement part.
Preferably, the mass is combined by aluminium flake and foam.
Preferably, the mass is made up of copper product.
Preferably, the mass includes strip thin slice or thin rounded flakes.
Preferably, the reinforcement part is combined by first layer and the second layer, and the mass is arranged on the first layer
And between the second layer.
Preferably, the first layer is aluminium flake, and the second layer is foam.
According to other side of the present utility model, there is provided a kind of loudspeaker monomer, including above-mentioned vibrational system, and
Magnetic circuit system；The voice coil loudspeaker voice coil is placed in the magnetic gap of the magnetic circuit system.
Preferably, the voice coil loudspeaker voice coil is provided with lead, and the lead is a pair vacantly set.
One of the present utility model has technical effect that, by setting mass, to adjust the position of barycenter, reduces vibration
The all parts of system relative to barycenter resultant moment, so as to improve polarization phenomena.
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 structural representation under the decomposing state of vibrational system of the present utility model.
Fig. 2 is the structural representation of vibrational system of the present utility model.
Fig. 3 is the top view of vibrational system of the present utility model.
Fig. 4 is the upward view of vibrational system of the present utility model.
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.
It refer to shown in Fig. 1 to Fig. 4, the vibrational system of the present embodiment, including reinforcement part 1, vibrating diaphragm 2 and voice coil loudspeaker voice coil 3.Wherein,
Voice coil loudspeaker voice coil 3 and reinforcement part 1 are incorporated on vibrating diaphragm 2, and mass 4 is provided with reinforcement part 1.
Specifically, before producing and assembling all parts of vibrational system, by computer simulation and can measure
The position of the optimal barycenter of vibrational system of different shapes in the ideal situation, wherein, all parts (reinforcement part of vibrational system
1st, vibrating diaphragm 2 and voice coil loudspeaker voice coil 3) relative to the resultant moment of optimal barycenter level off to zero.Then, assembling vibrational system all parts it
Afterwards, the position of the actual barycenter of vibrational system is measured.According to measuring twice, can obtain between actual barycenter and optimal barycenter
Skew.Caused by this skew is due to the Mass Distribution inequality of all parts of vibrational system.Also, vibrational system can be caused
The resultant moments relative to actual barycenter of all parts be no longer tend to zero, so as to cause vibrational system inclined in vibration processes
Shake phenomenon.
In this embodiment, mass 4 is set on reinforcement part 1, by adjusting position of the mass 4 on reinforcement part 1, from
And the Mass Distribution of vibrational system can be adjusted.And by adjusting the Mass Distribution of vibrational system, actual barycenter can be made
Position tends to the position of optimal barycenter, i.e. adjustment causes the skew between actual barycenter and optimal barycenter.It is thus possible to reduce
So that resultant moment of all parts of vibrational system relative to actual barycenter, reduce because the Mass Distribution of vibrational system is uneven and
The generation of caused polarization phenomena, improve the high frequency frequency response of loudspeaker.
Further, mass 4 can be multiple, and be bonded on reinforcement part 1；By outside vibrating diaphragm by mass
Bonding, does not interfere with the structure of vibrating diaphragm in itself, avoids diaphragm deformation.Moreover, mass can be with flexible design, for different structure
Loudspeaker, design the masses of different sizes and quality, the scope of application is wider.
Preferably, mass 4 can be strip or round shape thin slice, it is not limited to this.
It refer to shown in Fig. 3 to Fig. 4, in order to make full use of space, mass 4 can be bonded in the upper surface of reinforcement part 1
And/or lower surface.Wherein, in order to adjust the position of actual barycenter, i.e. reduce the skew between actual barycenter and optimal barycenter, can
To adjust position of the mass 4 on reinforcement part 1.Position of the mass 4 on reinforcement part 1 is not particularly limited, as long as can
Reduce the skew between actual barycenter and optimal barycenter.
Further, because the size of reinforcement part 1 is limited, mass 4 can be designed as to strip thin slice or circular thin
Piece, in order to which the excessive space in reinforcement part 1 will not be occupied.
Preferably, mass 4 can be combined by aluminium flake and foam；It can also be made up of copper product.These material systems
Into mass density it is larger, corresponding volume will be relatively small, so as to reduce required space size, will not be raised one's voice
The limitation of device self structure.
It refer to shown in Fig. 1 to Fig. 4, the vibrational system of the present embodiment, it is also possible that including reinforcement part 1, vibrating diaphragm 2 and sound
Circle 3.Wherein, voice coil loudspeaker voice coil 3 and reinforcement part 1 are incorporated on vibrating diaphragm 2；Reinforcement part 1 is combined by first layer and the second layer.Mass 4
It is arranged between the first layer and the second layer.Further, reinforcement part 1 can be flat board tabular.
Specifically, can be lamination layer structure in reinforcement part 1, it is preferable that first layer is aluminium flake, and the second layer is foam.And
And can in reinforcement part 1 sandwiched mass 4, directly to adjust the Mass Distribution of reinforcement part 1, so as to adjust actual barycenter
Position, reduce the skew between actual barycenter and optimal barycenter, and then improve the polarization problem of vibrational system.
Based on above-mentioned design, a kind of loudspeaker monomer (not shown) is also claimed in the utility model.
The loudspeaker monomer includes above-mentioned vibrational system, and magnetic circuit system.Wherein, voice coil loudspeaker voice coil 3 is placed in magnetic circuit system
In magnetic gap.Preferably, voice coil loudspeaker voice coil 3 is provided with lead 31, and lead 31 is a pair vacantly set.Wherein, can connect on lead 31
Connecting terminal, it can be electrically connected by terminal voice coil loudspeaker voice coil 3 with external circuit.
When the alternating current of external circuit is by voice coil loudspeaker voice coil 3, motion of the conductive voice coil loudspeaker voice coil 3 in magnetic field, the band of voice coil loudspeaker voice coil 3 of vibration
Dynamic vibrating diaphragm 2 vibrates, and vibrating diaphragm instigates air sounding.
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, it is characterised in that including reinforcement part (1), vibrating diaphragm (2) and voice coil loudspeaker voice coil (3), the voice coil loudspeaker voice coil (3) and institute Reinforcement part (1) is stated to be incorporated on the vibrating diaphragm (2), the reinforcement part (1) is provided with mass (4), the mass (4) by with It is set to the position of the barycenter of adjustment vibrational system.
- 2. vibrational system according to claim 1, it is characterised in that the mass (4) is bonded in the reinforcement part (1) On.
- 3. vibrational system according to claim 2, it is characterised in that the mass (4) at least two.
- 4. vibrational system according to claim 3, it is characterised in that the mass (4) is bonded in the reinforcement part (1) Upper surface and/or lower surface.
- 5. according to the vibrational system described in any one of Claims 1-4 claim, it is characterised in that the mass (4) by Aluminium flake and foam are combined.
- 6. according to the vibrational system described in any one of Claims 1-4 claim, it is characterised in that the mass (4) by Copper product is made.
- 7. according to the vibrational system described in any one of Claims 1-4 claim, it is characterised in that mass (4) bag Include strip thin slice or thin rounded flakes.
- 8. vibrational system according to claim 1, it is characterised in that the reinforcement part (1) is answered by first layer and the second layer Conjunction is formed, and the mass (4) is arranged between the first layer and the second layer.
- 9. according to the vibrational system described in claim 8 claim, it is characterised in that the first layer is aluminium flake, described Two layers are foam.
- 10. a kind of loudspeaker monomer, it is characterised in that including the vibration system described in any one of claim 1 to 9 claim System, and magnetic circuit system；The voice coil loudspeaker voice coil is placed in the magnetic gap of the magnetic circuit system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720999808.4U CN207124757U (en) | 2017-08-10 | 2017-08-10 | Vibrational system and loudspeaker monomer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720999808.4U CN207124757U (en) | 2017-08-10 | 2017-08-10 | Vibrational system and loudspeaker monomer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207124757U true CN207124757U (en) | 2018-03-20 |
Family
ID=61602366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720999808.4U Expired - Fee Related CN207124757U (en) | 2017-08-10 | 2017-08-10 | Vibrational system and loudspeaker monomer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207124757U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108391214A (en) * | 2018-05-23 | 2018-08-10 | 歌尔股份有限公司 | Vibrational system and loud speaker |
| CN113630703A (en) * | 2021-08-27 | 2021-11-09 | 瑞声开泰科技(武汉)有限公司 | MEMS loudspeaker |
| WO2022006922A1 (en) * | 2020-07-06 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
-
2017
- 2017-08-10 CN CN201720999808.4U patent/CN207124757U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108391214A (en) * | 2018-05-23 | 2018-08-10 | 歌尔股份有限公司 | Vibrational system and loud speaker |
| WO2022006922A1 (en) * | 2020-07-06 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| CN113630703A (en) * | 2021-08-27 | 2021-11-09 | 瑞声开泰科技(武汉)有限公司 | MEMS loudspeaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180320 Termination date: 20190810 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |