CN205596321U - Loudspeaker module group - Google Patents
Loudspeaker module group Download PDFInfo
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- CN205596321U CN205596321U CN201620245479.XU CN201620245479U CN205596321U CN 205596321 U CN205596321 U CN 205596321U CN 201620245479 U CN201620245479 U CN 201620245479U CN 205596321 U CN205596321 U CN 205596321U
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- sound absorption
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- absorption cavity
- sound
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Abstract
The utility model discloses a loudspeaker module group relates to electro -acoustic products technical field, including the module shell, the speaker monomer has been accommodated 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 back operatic tunes includes communicatingly accepts the chamber and inhales the sound chamber, the speaker monomer is located accept the intracavity, it has the sound of inhaling granule to inhale the packing of sound intracavity, the module shell encloses accept the chamber, it encloses by inhaling sound chamber shell to inhale the sound chamber, inhale sound chamber shell with the module shell combines together, inhale the sound chamber with it is equipped with netted isolation parts to accept between the chamber. The utility model discloses loudspeaker module group inhales the influence that the sound granule can not receive module production packaging technology, and absorbing effect is good, and the acoustic performance of module improves obviously, and the sound quality is better, it is low to assemble the degree of difficulty simultaneously, and production efficiency is high.
Description
Technical field
This utility model relates 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, has been used for the signal of telecommunication and has believed with sound
Conversion between number, is a kind of energy conversion device.Existing speaker module generally includes shell, shell
Inside containing loudspeaker monomer, whole module inner chamber is separated into the front operatic tunes and the rear operatic tunes two by loudspeaker monomer
Cavity.Along with the cavity volume of speaker module is more and more less, so that speaker module can have been given play to
Good performance, reduces the F0 (resonant frequency) of module, improves sound quality, and technical staff would generally be rear
Adding sound-absorbing material in the operatic tunes, sound-absorbing material can sponge part acoustic energy, the volume of the operatic tunes after being equivalent to expand,
Thus reduce the effect of module F0.
In industry, the sound-absorbing material of the main speaker module used has acoustical cotton and sound-absorbing granule, at these two kinds
In material, the sound absorption qualities of sound-absorbing granule is more preferable, and therefore the application of sound-absorbing granule also gets more and more, the most gradually
Replacement acoustical cotton.The most more common structure be vertically arranged in the rear operatic tunes one netted isolated part will after
The operatic tunes is divided into two cavitys, and a cavity is used for installing loudspeaker monomer, and another cavity is used for filling suction
Sound granule, thus by completely isolated with sound-absorbing granule for loudspeaker monomer.The suction of the speaker module of this kind of structure
Sound granule needs to carry out fill in the assembling process of module, but can produce a large amount of in the operation of module group assembling
Volatile small molecule material, these small-molecule substances can be adsorbed onto the surface of sound-absorbing granule, blocks sound-absorbing
The duct of grain, the sound absorption function weakening sound-absorbing granule that meeting is serious, even causes sound-absorbing granule to lose efficacy, rises not
To sound absorption function, cause the acoustical behavior of speaker module to improve inconspicuous, not only cause the waste of raw material,
Increase the assembling difficulty of module simultaneously.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of speaker module, this speaker module
Sound-absorbing granule will not be affected by other assembling procedure of module, and sound-absorbing effect is good, and the acoustical behavior of product carries
High substantially sound quality is good, assembles difficulty low simultaneously, and production efficiency is high.
For solving above-mentioned technical problem, the technical solution of the utility model is:
A kind of speaker module, including module shell, contains loudspeaker monomer, institute in described module shell
State loudspeaker monomer and whole module inner chamber is divided into the front operatic tunes and two cavitys of the rear operatic tunes, described rear operatic tunes bag
Including the host cavity and sound absorption cavity communicated, described loudspeaker monomer is positioned at described host cavity, in described sound absorption cavity
It is filled with sound-absorbing granule；Described module shell surrounds described host cavity, and described sound absorption cavity is enclosed by sound absorption cavity shell
Becoming, described sound absorption cavity shell combines with described module shell；Set between described sound absorption cavity and described host cavity
There is netted isolated part.
Wherein, described sound absorption cavity shell includes tubular sound absorption cavity housing, and described sound absorption cavity housing is near described receipts
One end of cavity volume is provided with described netted isolated part, and described sound absorption cavity housing combines with described module shell.
Wherein, described sound absorption cavity shell also includes being combined in described sound absorption cavity housing away from described host cavity one end
Sound absorption cavity end cap, described sound absorption cavity end cap is provided with charging port, is coated with diaphragm seal at described charging port.
Wherein, described sound absorption cavity housing is arranged side by side with described module shell, and the width of described sound absorption cavity housing
Degree and height and the width of described module shell and highly consistent.
Wherein, outside described sound absorption cavity housing is by ultrasonic welding process or gluing technique for sticking and described module
Shell combines.
Wherein, described netted isolated part is combined on described sound absorption cavity housing by Shooting Technique.
Wherein, the periphery of described sound absorption cavity end cap is provided with the first chamfering inclined-plane, corresponding on described sound absorption cavity housing
The position on described first chamfering inclined-plane is provided with the second chamfering inclined-plane, and described first chamfering inclined-plane falls with described second
Glue groove is formed between inclined-plane, angle.
Wherein, described module shell includes the first housing and the second housing combined, described speaker
Monomer solid is scheduled on described first housing, described loudspeaker monomer, described first housing and described second housing
Jointly surround described host cavity.
Wherein, described sound absorption cavity housing combines with described first housing.
Wherein, described second housing is provided with leak, is coated with damping at described leak.
After have employed technique scheme, the beneficial effects of the utility model are:
Owing to being made up of the host cavity being connected and sound absorption cavity in the rear operatic tunes of this utility model speaker module,
Loudspeaker monomer is arranged in host cavity, is filled with sound-absorbing granule in sound absorption cavity, and sound absorption cavity is by single sound-absorbing
Chamber enclosure surrounds；It is separated by by netted isolated part between sound absorption cavity and host cavity.This kind is by independent housing
The sound absorption cavity surrounded, can individually produce, and individually carries out the fill of sound-absorbing granule, at the body construction of module
It is re-incorporated into after being completed on module body such that it is able to ensure that sound-absorbing granule will not be by module body
Other production and assembly technogenic influence, will not be blocked by the volatile small molecule material produced during module production and assembly
Duct, it is ensured that sound-absorbing duct unimpeded, also will not occur other physical and chemical changes, significantly simultaneously
Reduce the risk that sound-absorbing granule lost efficacy, thus ensure that the sound absorption function of sound-absorbing granule, greatly reduce
The F0 of module, improves the acoustical behavior of module, and sound quality is higher；Carrying out the life of module body simultaneously
Produce when assembling also without taking protection sound-absorbing granule into account, therefore need not take the hands of any protection sound-absorbing granule
Section, thus simplify the production and assembly technique of module, reduce the production and assembly difficulty of module, improve life
Produce efficiency.
In sum, this utility model speaker module solves the sound-absorbing of speaker module in prior art
The technical problem that grain is vulnerable to the impact of module production and assembly technique and lost efficacy, this utility model speaker module
Sound-absorbing granule will not be affected by module production and assembly technique, sound-absorbing effect is good, the acoustical behavior of module
Being obviously improved, sound quality is more preferable；Assembling difficulty low, production efficiency is high simultaneously.
Accompanying drawing explanation
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 sectional structure schematic diagram of this utility model speaker module；
Fig. 4 is the sectional structure schematic diagram of the sound absorption cavity of this utility model speaker module；
In figure: 10, the first housing, the 20, second housing, 22, leak, 30, loudspeaker monomer, 40,
Sound absorption cavity, 42, sound absorption cavity housing, 420, ultrasound lines, 44, sound absorption cavity end cap, 440, charging port, 46,
Diaphragm seal, 48, netted isolated part, 49, glue groove, 50, damping, 60, the front operatic tunes, 62, house
Chamber.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, this utility model is expanded on further.
Refer both in the orientation related in this specification refer both under the direction that loudspeaker monomer is spoken, orientation and raise
Sound device monomer is spoken direction in opposite direction；The inner side related in this specification refers both to be positioned at module intracavity
Side, outside refers both to the side being positioned at outside module inner chamber.
Jointly shown with Fig. 3 as shown in Figure 1, Figure 2, a kind of speaker module, exist including module body and splicing
Sound absorption cavity 40 on module body.Module body includes module shell, and module shell is by combined
One housing 10 and the second housing 20 are constituted, and house in the space that the first housing 10 and the second housing 20 surround
There is loudspeaker monomer 30.Whole module inner chamber is divided into the front operatic tunes 60 and the rear operatic tunes by loudspeaker monomer 30,
The rear operatic tunes is made up of the sound absorption cavity 40 being connected and host cavity 62, and loudspeaker monomer 30 is positioned at host cavity 62
In.Loudspeaker monomer 30 and the first housing 10 surround the front operatic tunes 60 jointly, and on the first housing 10, correspondence is raised
The position of sound device monomer 30 is provided with the acoustic aperture gone out for acoustic irradiation；Loudspeaker monomer the 30, first housing
10 and second housing 20 jointly surround host cavity 62.Sound-absorbing granule, sound absorption cavity it is filled with in sound absorption cavity 40
Being provided with netted isolated part 48 between 40 and host cavity 62, netted isolated part 48 plays isolation sound-absorbing granule
With the effect of loudspeaker monomer 30, netted isolated part 48 is screen cloth or wire netting, and present embodiment is preferred
For screen cloth.
Common shown as shown in Figure 1, Figure 3 and Figure 4, sound absorption cavity 40 is surrounded by single sound absorption cavity shell, sound-absorbing
Chamber enclosure includes the tubular sound absorption cavity housing 42 of both ends open, an opening of sound absorption cavity housing 42 and
One housing 10 combines, and this end of the first housing 10 is provided with opening, thus by sound absorption cavity 40 and host cavity
62 communicate, and netted isolated part 48 is vertically moulded in sound absorption cavity housing 42 one end near the first housing 10.
Another opening of sound absorption cavity housing 42 is combined with sound absorption cavity end cap 44, and sound absorption cavity end cap 44 is provided with use
In the charging port 440 of filling sound-absorbing granule, the outer side covers of charging port 440 has diaphragm seal 46, diaphragm seal 46
Can be pasted by gum, gluing is bonding or the process seal such as ultrasonic bonding is at charging port 440.Sound absorption cavity
End cap 44 is integrated by glue adhesive bond with sound absorption cavity housing 42, and the periphery at sound absorption cavity end cap 44 sets
Having the first chamfering inclined-plane, on sound absorption cavity housing 42, to be provided with the second chamfering oblique in the position on corresponding first chamfering inclined-plane
Face, forms glue groove 49 between the first chamfering inclined-plane and the second chamfering inclined-plane, glue groove 49 adds sound-absorbing
Glue-spread between chamber end cap 44 and sound absorption cavity housing 42, adds sound absorption cavity end cap 44 and sound absorption cavity housing
Bond strength between 42.
As shown in Figure 4, when carrying out sound absorption cavity and manufacturing, when being molded sound absorption cavity housing 42 directly by net
Shape isolated part 48 injection is combined on sound absorption cavity housing 42, then by sound absorption cavity end cap 44 and sound absorption cavity housing
42 are bonded as one by glue, after glue curing, by filling in sound absorption cavity 40 at charging port 440
Dress sound-absorbing granule, seals charging port 440 with diaphragm seal 46 after fill, thus completes the life of sound absorption cavity
Produce manufacturing process.
As Fig. 2 and Fig. 3 jointly shown in, sound absorption cavity 40 is arranged side by side with module body, i.e. sound absorption cavity housing
42 are arranged side by side with module shell, and sound absorption cavity 40 is positioned at one end of module body.Sound absorption cavity housing 42 and mould
Assembly housing links up smoothly, i.e. the width of sound absorption cavity housing 42 and height and module shell (the first housing 10)
Width and highly consistent.
Common shown as shown in Figure 1, Figure 3 and Figure 4, the first housing 10 is box-like, and the second housing 20 is combined in
The downside of the first housing 10, one end that the first housing 10 combines with sound absorption cavity housing 42 is provided with and sound absorption cavity
The annular peripheral frame that housing 42 is suitable, sound absorption cavity housing 42 docks with annular peripheral frame level, and the two can lead to
Cross ultrasonic welding process or gluing technique for sticking is combined as a whole, form a complete rear operatic tunes.This reality
Execute in mode preferably end at sound absorption cavity housing 42 and one circle ultrasound lines 420 be set, sound absorption cavity housing 42 with
Annular peripheral frame (the first housing 10) is combined by ultrasonic welding process, and ultrasonic welding process is gluing with painting
Connect technique and compare the cleanest quick, and the firmness combined is higher.
As Fig. 1 and Fig. 3 jointly shown in, when carrying out module group assembling, first loudspeaker monomer 30 is fixed on
On one housing 10, then the second housing 20 is attached on the first housing 10, finally will be filled with sound-absorbing granule
Sound absorption cavity 40 be attached on module body, i.e. complete the assembling procedure of whole speaker module.
As Fig. 1 and Fig. 2 jointly shown in, the second housing 20 is provided with the leak of operatic tunes air pressure after balance
22, leak 22 is positioned at the port outside the second housing 20 and is coated with damping 50, and damping 50 can rise
To regulation acoustic resistance and dust-proof effect.
Sound absorption cavity is designed to a single cavity by this utility model, it is possible to individually produces making, thus protects
The sound-absorbing granule that card is filled in sound absorption cavity will not be affected by other production and assembly technique of module, Bu Huifa
Biological reason and the change of chemistry, will not lose efficacy, it is ensured that the sound absorption function of sound-absorbing granule, greatly enhance
Sound-absorbing effect so that the acoustical behavior of speaker module is significantly promoted.
This utility model above-described embodiment is only the technical scheme that this utility model uses independent sound absorption cavity
Illustrating, in actual application, the technical solution of the utility model is not limited in applying raising at said structure
In sound device module, the technical solution of the utility model can be applicable to any needs and fills suction in the rear operatic tunes
In the speaker module of sound granule, therefore no matter whether other structure of speaker module describes with above-described embodiment
Structure identical, the most no matter the structure of sound absorption cavity whether with above-described embodiment described in structure identical, as long as
To use independent sound absorption cavity, in order to prevent sound-absorbing granule by module production and assembly technogenic influence, to improve
The product of sound-absorbing granule sound-absorbing effect each falls within protection domain of the present utility model.
Feature name (such as the first housing and the second housing) with sequence number related in this specification is only
For distinguishing feature, do not represent the position relationship between each technical characteristic and assemble sequence etc..
This utility model is not limited to above-mentioned specific embodiment, and those of ordinary skill in the art is from above-mentioned
Design is set out, and without performing creative labour, all conversion made, all falls within guarantor of the present utility model
Within the scope of protecting.
Claims (10)
1. speaker module, including module shell, contains loudspeaker monomer in described module shell, described
Whole module inner chamber is divided into the front operatic tunes and two cavitys of the rear operatic tunes by loudspeaker monomer, it is characterised in that institute
Stating host cavity and sound absorption cavity that the rear operatic tunes includes communicating, described loudspeaker monomer is positioned at described host cavity, institute
Sound-absorbing granule it is filled with in stating sound absorption cavity；Described module shell surrounds described host cavity, and described sound absorption cavity is by inhaling
Sound chamber enclosure surrounds, and described sound absorption cavity shell combines with described module shell；Described sound absorption cavity and described receipts
Netted isolated part it is provided with between cavity volume.
Speaker module the most according to claim 1, it is characterised in that described sound absorption cavity shell includes
Tubular sound absorption cavity housing, described sound absorption cavity housing is provided with described netted isolation part near one end of described host cavity
Part, described sound absorption cavity housing combines with described module shell.
Speaker module the most according to claim 2, it is characterised in that described sound absorption cavity shell also wraps
Include the sound absorption cavity end cap being combined in described sound absorption cavity housing away from described host cavity one end, described sound absorption cavity end cap
It is provided with charging port, at described charging port, is coated with diaphragm seal.
Speaker module the most according to claim 3, it is characterised in that described sound absorption cavity housing and institute
State module shell to be arranged side by side, and the width of described sound absorption cavity housing and height and the width of described module shell
With highly consistent.
Speaker module the most according to claim 4, it is characterised in that described sound absorption cavity housing passes through
Ultrasonic welding process or gluing technique for sticking combine with described module shell.
Speaker module the most according to claim 2, it is characterised in that described netted isolated part leads to
Cross Shooting Technique to be combined on described sound absorption cavity housing.
Speaker module the most according to claim 3, it is characterised in that the week of described sound absorption cavity end cap
While be provided with the first chamfering inclined-plane, on described sound absorption cavity housing, the position on corresponding described first chamfering inclined-plane is provided with the
Two chamfering inclined-planes, form glue groove between described first chamfering inclined-plane and described second chamfering inclined-plane.
8. according to the speaker module described in claim 2 to 7 any claim, it is characterised in that institute
Stating the first housing and the second housing that module shell includes combining, described loudspeaker monomer is fixed on institute
Stating on the first housing, described loudspeaker monomer, described first housing and described second housing surround described jointly
Host cavity.
Speaker module the most according to claim 8, it is characterised in that described sound absorption cavity housing and institute
State the first housing to combine.
Speaker module the most according to claim 9, it is characterised in that set on described second housing
There is leak, at described leak, be coated with damping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620245479.XU CN205596321U (en) | 2016-03-28 | 2016-03-28 | Loudspeaker module group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620245479.XU CN205596321U (en) | 2016-03-28 | 2016-03-28 | Loudspeaker module group |
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| Publication Number | Publication Date |
|---|---|
| CN205596321U true CN205596321U (en) | 2016-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620245479.XU Active CN205596321U (en) | 2016-03-28 | 2016-03-28 | Loudspeaker module group |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105872917A (en) * | 2016-03-28 | 2016-08-17 | 歌尔声学股份有限公司 | Loudspeaker module |
| WO2017190515A1 (en) * | 2016-05-05 | 2017-11-09 | 歌尔股份有限公司 | Speaker module |
| CN107454526A (en) * | 2017-09-08 | 2017-12-08 | 广东欧珀移动通信有限公司 | Electroacoustic component, electroacoustic device and mobile terminal |
| CN107682778A (en) * | 2017-09-08 | 2018-02-09 | 广东欧珀移动通信有限公司 | Electroacoustic device and mobile terminal |
| CN109511021A (en) * | 2018-11-09 | 2019-03-22 | 歌尔股份有限公司 | A kind of sounding device mould group production method and sounding device mould group |
| CN110198513A (en) * | 2019-05-08 | 2019-09-03 | 歌尔股份有限公司 | A kind of sounding device |
| WO2022006953A1 (en) * | 2020-07-09 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
-
2016
- 2016-03-28 CN CN201620245479.XU patent/CN205596321U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105872917A (en) * | 2016-03-28 | 2016-08-17 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN105872917B (en) * | 2016-03-28 | 2019-06-25 | 歌尔股份有限公司 | Loudspeaker mould group |
| WO2017190515A1 (en) * | 2016-05-05 | 2017-11-09 | 歌尔股份有限公司 | Speaker module |
| US11128950B2 (en) | 2016-05-05 | 2021-09-21 | Goertek Inc. | Speaker module |
| CN107454526A (en) * | 2017-09-08 | 2017-12-08 | 广东欧珀移动通信有限公司 | Electroacoustic component, electroacoustic device and mobile terminal |
| CN107682778A (en) * | 2017-09-08 | 2018-02-09 | 广东欧珀移动通信有限公司 | Electroacoustic device and mobile terminal |
| CN107454526B (en) * | 2017-09-08 | 2019-08-27 | Oppo广东移动通信有限公司 | Electroacoustic component, electroacoustic device and mobile terminal |
| CN109511021A (en) * | 2018-11-09 | 2019-03-22 | 歌尔股份有限公司 | A kind of sounding device mould group production method and sounding device mould group |
| CN110198513A (en) * | 2019-05-08 | 2019-09-03 | 歌尔股份有限公司 | A kind of sounding device |
| WO2022006953A1 (en) * | 2020-07-09 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
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