CN205946157U - Loudspeaker module group - Google Patents
Loudspeaker module group Download PDFInfo
- Publication number
- CN205946157U CN205946157U CN201620894927.9U CN201620894927U CN205946157U CN 205946157 U CN205946157 U CN 205946157U CN 201620894927 U CN201620894927 U CN 201620894927U CN 205946157 U CN205946157 U CN 205946157U
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- steel disc
- platform portion
- operatic tunes
- heavy platform
- housing
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Abstract
The utility model discloses a loudspeaker module group relates to electro -acoustic products technical field, include the module shell and accept speaker monomer in the module shell, the speaker monomer separates whole module inner chamber for two cavitys of the preceding operatic tunes and the back operatic tunes, the module shell includes plastic housing and fixes the last steel sheet of plastic housing, correspond on the steel sheet the position of the back operatic tunes is equipped with inside sunken heavy platform portion, be equipped with the intercommunication in the heavy platform portion the back operatic tunes and external leak hole, leak hole's the outside covers has the damping, the damping is located in the heavy platform portion. The utility model discloses loudspeaker module group has solved the technical problem that the prior art china super -league matches slim loudspeaker module group is difficult to compromise little thickness and high acoustic performance, the utility model discloses loudspeaker module group can guarantee promptly that the back operatic tunes has a great volume, and vibration system has better symmetry again simultaneously, and thickness is little, can satisfy little thickness, high acoustic performance's requirement.
Description
Technical field
This utility model is related to electro-acoustic product technical field, particularly to a kind of speaker module.
Background technology
Speaker module is the important acoustic element of portable electric appts, is used for completing between the signal of telecommunication and acoustical signal
Conversion, be a kind of energy conversion device.Existing speaker module generally includes module shell, contains and raise in module shell
Sound device monomer, whole module inner chamber is separated into the front operatic tunes and two cavitys of the rear operatic tunes by loudspeaker monomer.With portable electronic
Equipment is designed to more and more thinner, and the thickness of speaker module is also constantly reducing therewith.In order to speaker module can be reduced
Thickness, ensure that the acoustical behavior of speaker again, technical staff would generally using steel disc substituting original plastic casing,
And the usable floor area of steel disc also increases continuous, with the large-area applications of steel disc, lead to speaker module in design
Occur in that the technical barrier being difficult to as follows take into account：
If a large-area use steel disc, the area of plastic casing can be less, does not have enough spaces to paste damping,
If be not provided with damp; at leak cannot dust-proof and adjust acoustic resistance, if being not provided with leak holes, vibrating diaphragm both sides cannot be adjusted
Acoustic pressure, can lead to the asymmetric of vibrating diaphragm amplitude；
If two stay enough enough to viscous by the space damping on plastic casing, plastic casing thickness is larger, will necessarily reduce
The rear operatic tunes volume of speaker module, leads to the F0 (resonant frequency) of speaker module to raise, and reduces the low frequency of speaker module
Performance.
Both the above situation all has no idea to realize ensureing that speaker module has the larger rear operatic tunes, vibration system simultaneously
System has preferable amplitude symmetry it is difficult to meet little thickness, the requirement of high characteristics of acoustic energy to speaker module at present again.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of speaker module, and this speaker module can be protected
After card, the operatic tunes has larger volume, and vibrational system has preferable symmetry again simultaneously, and thickness is little, and acoustical behavior is high.
For solving above-mentioned technical problem, the technical solution of the utility model is：
A kind of speaker module, including module shell and be housed in loudspeaker monomer in described module shell, described raises
Whole module inner chamber is divided into the front operatic tunes and two cavitys of the rear operatic tunes by sound device monomer, described module shell include plastic casing and
It is fixed on the steel disc on described plastic casing, on described steel disc, the position of the corresponding described rear operatic tunes is provided with the heavy platform caving inward
Portion, described heavy platform portion is communicated with the described rear operatic tunes with extraneous leak, the outer side covers of described leak have damping, institute
State damping to be located in described heavy platform portion.
Wherein, described heavy platform portion forms boss structure in the inner side of described steel disc.
Wherein, described heavy platform portion is processed by punching press or cold-press process.
Wherein, described plastic casing includes the first housing being combined together and the second housing.
As a kind of embodiment, described steel disc is fixed on described first housing.
As another embodiment, described steel disc is fixed on described second housing.
Wherein, described steel disc includes the first steel disc being separately fixed on described first housing and described second housing and
Two steel discs, described heavy platform portion is arranged on described first steel disc or described second steel disc.
After employing technique scheme, the beneficial effects of the utility model are：
Because this utility model speaker module is provided with the heavy platform portion caving inward on steel disc, leakage hole machined is heavy
In platform portion, the damping covering leak is located in heavy platform portion.This utility model machined leak on steel disc and is used for pasting
Steel disc area can be made while reducing module thickness, ensure that vibrational system amplitude is symmetrical by the heavy platform portion of damping
Big as far as possible, increase the space of the rear operatic tunes to greatest extent, reduce the F0 of speaker module, improve speaker module
Low frequency performance so that speaker module disclosure satisfy that little thickness, high characteristics of acoustic can requirement.
In sum, this utility model speaker module solves super-thin speaker module in prior art and is difficult to take into account
Little thickness and the technical problem of high characteristics of acoustic energy, this utility model speaker module ensure that the rear operatic tunes has larger body
Long-pending, vibrational system has preferable symmetry again simultaneously, and thickness is little, disclosure satisfy that little thickness, the requirement of high characteristics of acoustic energy.
Brief description
Fig. 1 is the decomposition texture schematic diagram of this utility model speaker module；
Fig. 2 is the constitutional diagram of Fig. 1；
Fig. 3 is the cross section structure diagram of this utility model speaker module；
Fig. 4 is the A portion enlarged drawing of Fig. 3；
In figure：10th, the first housing, the 12, first steel disc, 14, heavy platform portion, 16, leak, the 20, second housing, 22, second
Steel disc, 24, go out acoustic aperture, 30, loudspeaker monomer, 40, damping, 50, FPCB, 60, the front operatic tunes, 62, the rear operatic tunes.
Specific embodiment
With reference to the accompanying drawings and examples, this utility model is expanded on further.
The inner side being related in this specification refers both to the side of intracavity in module, and outside refers both to outside module inner chamber
Side.
Embodiment one：
Jointly shown with Fig. 3 as shown in Figure 1, Figure 2, a kind of speaker module, including module shell and be housed in module shell
Loudspeaker monomer 30.Module shell includes plastic casing and is fixed on steel disc on plastic casing, and plastic casing includes combining
The first housing 10 together and the second housing 20, steel disc includes the first steel disc 12 and the second steel disc 22.First housing 10 is side
Mount structure, is fixedly arranged in the middle of the first steel disc 12 in this frame；Second housing 20 is also frame away from one end of the first housing 10
Structure, is fixedly arranged in the middle of the second steel disc 22 in this border structure, and loudspeaker monomer 30 is fixed on the second housing 20.Speaker
Whole module inner chamber is divided into the front operatic tunes 60 and 62 two cavitys of the rear operatic tunes, loudspeaker monomer 30, the second housing 20 by monomer 30
Surround the front operatic tunes 60 with the second steel disc 22；Loudspeaker monomer 30, the first housing 10, the first steel disc 12, the second housing 20 and second
Steel disc 22 surrounds the rear operatic tunes 62 jointly.The sidepiece of the second housing 20 is provided with out acoustic aperture 24, goes out acoustic aperture 24 and is connected with the front operatic tunes 60,
The sound that loudspeaker monomer 30 sends is radiated the outside of speaker module by going out acoustic aperture 24.
As shown in Figure 1, Figure 2, Fig. 3 and Fig. 4 is jointly shown, corresponding after on the first steel disc 12 of the operatic tunes 62 position or the second steel disc 22
It is provided with the heavy platform portion for pasting damping, leakage hole machined is in heavy platform portion.Present embodiment preferably sets on the first steel disc 12
Put the heavy platform portion 14 caving inward, heavy platform portion 14 is arranged away from loudspeaker monomer 30, and the middle part in heavy platform portion 14 is communicated with rear sound
Chamber 62 leak 16 extraneous with module, the outer side covers of leak 16 have damping 40, and damping 40 is pasted onto in heavy platform portion 14.
Jointly shown as shown in Figure 1, Figure 3 and Figure 4, heavy platform portion 14 can be processed by punching press or cold-press process, heavy platform portion 14
It is in groove structure in the outside of the first steel disc 12, be in boss structure in the inner side of the first steel disc 12.In actual applications, heavy platform portion
It is not limited to the circular configuration illustrating, it can as needed and the structure of the first steel disc 12 is set to bar shaped, the knot such as square, oval
Structure, simultaneously sink platform portion depth be adjusted also dependent on practical situation, the pore size of leak can also be according to acoustics
The requirement of energy is adjusted.
As Fig. 1 and Fig. 3 is jointly shown, speaker module also includes FPCB (Flexible Printed Circuit
Board, flexible printed circuit board) 50, FPCB50 is used for electrically connecting loudspeaker monomer 30 and external circuit, the sound signal of telecommunication passed
It is defeated by the voice coil loudspeaker voice coil of loudspeaker monomer 30, voice coil loudspeaker voice coil shakes according to transmission next sound signal of telecommunication up-down vibration in magnetic circuit system, drive
Film vibrates, and instigates air sounding, thus completing the energy conversion of electroacoustic.
Embodiment two：
Present embodiment is essentially identical with embodiment one, and its difference is：
Only on the first housing, fix steel disc, heavy platform portion is arranged on steel disc.
Embodiment three：
Present embodiment is essentially identical with embodiment one, and its difference is：
Only fix steel disc on the second housing, heavy platform portion is arranged on steel disc.
This utility model machined leak and the heavy platform portion for pasting damping on steel disc, thick reducing module
Steel disc area can be made big as far as possible while spending, ensure that vibrational system amplitude is symmetrical, increase to greatest extent
The space of the operatic tunes afterwards, improves the acoustical behavior of speaker module so that speaker module disclosure satisfy that little thickness, high characteristics of acoustic
The requirement of energy.
This utility model above-described embodiment is only the heavy platform portion that this utility model is provided on steel disc paste with damping
Technical scheme illustration, in practical application, the technical solution of the utility model is not limited in applying in said structure
In speaker module, the technical solution of the utility model can be applicable to any one needs large area to use the speaker mould of steel disc
In group, therefore no matter whether the other structures of speaker module are identical with the structure of above-described embodiment description, as long as on steel disc
The heavy platform portion of setting, in order to paste damping, the product improving acoustical behavior while reducing speaker module thickness each falls within this
In the protection domain of utility model.
Feature name (as the first housing and the second housing) with sequence number being related in this specification is merely to area
Other technical characteristic, does not represent position relationship and assemble sequence between each technical characteristic etc..
This utility model is not limited to above-mentioned specific embodiment, and those of ordinary skill in the art visualizes from above-mentioned
Send out, without performing creative labour, a variety of conversion made, all fall within protection domain of the present utility model.
Claims (7)
1. speaker module, including module shell and be housed in loudspeaker monomer in described module shell, described speaker list
Whole module inner chamber is divided into the front operatic tunes and two cavitys of the rear operatic tunes by body, and described module shell includes plastic casing and is fixed on
Steel disc on described plastic casing it is characterised in that on described steel disc the position of the corresponding described rear operatic tunes be provided with and cave inward
Heavy platform portion, described heavy platform portion is communicated with the described rear operatic tunes with extraneous leak, the outer side covers of described leak have resistance
Buddhist nun, described damping is located in described heavy platform portion.
2. speaker module according to claim 1 is it is characterised in that described heavy platform portion is formed in the inner side of described steel disc
Boss structure.
3. speaker module according to claim 2 is it is characterised in that described heavy platform portion is processed by punching press or cold-press process
Form.
4. the speaker module according to claims 1 to 3 any claim is it is characterised in that described plastic casing bag
Include the first housing being combined together and the second housing.
5. speaker module according to claim 4 is it is characterised in that described steel disc is fixed on described first housing.
6. speaker module according to claim 4 is it is characterised in that described steel disc is fixed on described second housing.
7. speaker module according to claim 4 is it is characterised in that described steel disc includes being separately fixed at described first
The first steel disc on housing and described second housing and the second steel disc, described heavy platform portion is arranged on described first steel disc or described
On two steel discs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620894927.9U CN205946157U (en) | 2016-08-16 | 2016-08-16 | Loudspeaker module group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620894927.9U CN205946157U (en) | 2016-08-16 | 2016-08-16 | Loudspeaker module group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205946157U true CN205946157U (en) | 2017-02-08 |
Family
ID=57918380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620894927.9U Active CN205946157U (en) | 2016-08-16 | 2016-08-16 | Loudspeaker module group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205946157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107277711A (en) * | 2017-06-29 | 2017-10-20 | 维沃移动通信有限公司 | A kind of sound cavity apparatus and mobile terminal |
-
2016
- 2016-08-16 CN CN201620894927.9U patent/CN205946157U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107277711A (en) * | 2017-06-29 | 2017-10-20 | 维沃移动通信有限公司 | A kind of sound cavity apparatus and mobile terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |