CN109688522A - A kind of loudspeaker mould group and electronic equipment - Google Patents
A kind of loudspeaker mould group and electronic equipment Download PDFInfo
- Publication number
- CN109688522A CN109688522A CN201910100980.5A CN201910100980A CN109688522A CN 109688522 A CN109688522 A CN 109688522A CN 201910100980 A CN201910100980 A CN 201910100980A CN 109688522 A CN109688522 A CN 109688522A
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- Prior art keywords
- sound
- absorbing material
- absorbing
- foamed
- mould group
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention discloses a kind of loudspeaker mould group and electronic equipments, which includes module casing, and loudspeaker monomer is provided in the module casing, and the cavity in the module casing is divided into the preceding operatic tunes and the rear operatic tunes by the vibrating diaphragm of the loudspeaker monomer；It further include composite sound-absorbing component, the composite sound-absorbing component is located in the rear operatic tunes of the module casing, the composite sound-absorbing component includes at least two sound-absorbing components, and the sound-absorbing component includes graininess non-foamed sound-absorbing material, blocky non-foamed sound-absorbing material and foaming sound-absorbing material.
Description
Technical field
The present invention relates to electroacoustic switch technology fields, more particularly, to a kind of loudspeaker mould group and electronic equipment.
Background technique
For loudspeaker mould group as a kind of energy converter for converting electrical signals to voice signal, being can not in electro-acoustic product
Or scarce component.Loudspeaker mould group is usually made of shell and loudspeaker monomer, and loudspeaker monomer is by entire module shell inner cavity
It is separated into two cavitys of the preceding operatic tunes and the rear operatic tunes.Technical staff (such as reduces mould group to improve the acoustical behavior of loudspeaker mould group
Resonance frequency F0, spread bandwidth etc.), it will usually sound-absorbing part is added in the rear operatic tunes, sound-absorbing part can sponge part sound energy, etc.
It imitates in expanding rear chamber volume, to achieve the effect that reduce mould group resonance frequency F0.Sound-absorbing part is broadly divided into foaming kind sound-absorbing
Material and non-foamed class sound-absorbing material, wherein non-foamed class sound-absorbing material is compared with foaming kind sound-absorbing material to acoustical behavior gain
Performance is more superior, however, non-foamed class sound-absorbing material is more harsh to structure and the size requirement of the operatic tunes after loudspeaker mould group.
Therefore, there is biggish limitation in practical applications using the scheme of certain single sound-absorbing material in the prior art.
In view of this, it is desirable to provide the new technical solution of one kind is to solve the above technical problems.
Summary of the invention
It is an object of the present invention to provide a kind of loudspeaker mould group and the new solutions of electronic equipment.
According to an aspect of the invention, there is provided a kind of loudspeaker mould group, comprising:
Module casing, is provided with loudspeaker monomer in the module casing, and the vibrating diaphragm of the loudspeaker monomer is by the mould
The group intracorporal cavity of shell is divided into the preceding operatic tunes and the rear operatic tunes；
Composite sound-absorbing component, the composite sound-absorbing component are located in the rear operatic tunes of the module casing, the composite sound-absorbing
Component includes at least two sound-absorbing components, and the sound-absorbing component includes graininess non-foamed sound-absorbing material, blocky non-foamed sound-absorbing
Material and foaming sound-absorbing material.
Optionally, the graininess non-foamed sound-absorbing material includes sound-absorbing particle and receiving member, the sound-absorbing particle encapsulation
Inside the receiving member.
Optionally, the receiving member includes tray and gland, and the tray has opening portion, and the gland lid is located at described
At the opening portion of tray.
Optionally, the material of the tray is non-woven fabrics or plastics.
Optionally, the material of the gland is non-woven fabrics.
Optionally, buffering fixing piece is provided between the blocky non-foamed sound-absorbing material and the inner wall of module casing.
Optionally, the foaming sound-absorbing material is foaming acoustical cotton.
Optionally, there is the first receiving area and the second receiving area, described first accommodates in the rear operatic tunes of the module casing
The volume in area is greater than the volume of the second receiving area.
Optionally, the composite sound-absorbing component includes graininess non-foamed sound-absorbing material and blocky non-foamed sound-absorbing material
When, the graininess non-foamed sound-absorbing material is arranged in the first receiving area, and the blocky non-foamed sound-absorbing material setting exists
In second receiving area；When the composite sound-absorbing component includes blocky non-foamed sound-absorbing material and foaming sound-absorbing material, the bulk
Non-foamed sound-absorbing material is arranged in the first receiving area, and the foaming sound-absorbing material is arranged in the second receiving area；It is described multiple
When conjunction sound-absorbing component includes graininess non-foamed sound-absorbing material and foaming sound-absorbing material, the graininess non-foamed sound-absorbing material is set
It sets in the first receiving area, and the foaming sound-absorbing material is arranged in the second receiving area.
According to another aspect of the present invention, a kind of electronic equipment is provided comprising loudspeaker mould group as described above.
Of the invention one has technical effect that, according to the structure size of the operatic tunes after the loudspeaker of practical application, at least together
When selection two kinds of sound-absorbing materials collocation use, can be realized and the operatic tunes after loudspeaker is made full use of, improve sound-absorbing effect.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is that the structure of one embodiment that three kinds of sound-absorbing components are combined in a kind of loudspeaker mould group of the present invention is shown
It is intended to；
Fig. 2 is that the structure for second embodiment that three kinds of sound-absorbing components are combined in a kind of loudspeaker mould group of the present invention is shown
It is intended to；
Fig. 3 is that the structure for the third embodiment that three kinds of sound-absorbing components are combined in a kind of loudspeaker mould group of the present invention is shown
It is intended to.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
The embodiment of the invention provides a kind of loudspeaker mould groups, which includes module casing 1, the mould group shell
Loudspeaker monomer 2 is provided in body 1, the cavity in the module casing 1 is divided into preceding sound by the vibrating diaphragm of the loudspeaker monomer 2
Chamber and the rear operatic tunes；The loudspeaker mould group further includes composite sound-absorbing component, and the composite sound-absorbing component is located at the module casing 1
Afterwards in the operatic tunes, the composite sound-absorbing component includes at least two sound-absorbing components, and the sound-absorbing component includes that graininess non-foamed is inhaled
Sound material 3, blocky non-foamed sound-absorbing material 4 and foaming sound-absorbing material 5.
Graininess non-foamed sound-absorbing material 3 and blocky non-foamed sound-absorbing material 4 belong to porosity non-foamed sound-absorbing material,
Porosity non-foamed sound-absorbing material is filled into the rear operatic tunes of loudspeaker module casing, porosity non-foamed sound-absorbing material is utilized
Quick adsorption, desorption property to rear operatic tunes gas, enable to resonance space virtually to increase, to more effectively reduce mould group
Resonant frequency.However, either graininess non-foamed sound-absorbing material 3, or blocky non-foamed sound-absorbing material 4, to loudspeaking
The structure of the operatic tunes has more harsh requirement after device mould group, it is required that after the operatic tunes must have enough spaces (especially z is to height
Degree, direction as shown in Figs. 1-3) place porosity non-foamed sound-absorbing material, or constituted by adding screen cloth filling
Cavity area, in this way, non-foamed sound-absorbing material is then difficult to realize the case where (such as≤2mm) smaller for the Z-direction height of the rear operatic tunes
Using.In conclusion be limited to the labyrinth of the operatic tunes after loudspeaker, the housing region building of non-foamed sound-absorbing material partially due to
Occupy operatic tunes space after considerable part, it is difficult to which the filling space for making full use of the rear operatic tunes optimizes effect to the acoustical behavior of loudspeaker
Fruit is limited, to greatly limit non-foamed sound-absorbing material in the application in Microspeaker mould group field.
The embodiment of the present invention is by graininess non-foamed sound-absorbing material 3, blocky non-foamed sound-absorbing material 4 and foaming sound-absorbing material
5 three kinds of sound-absorbing components are combined, and according to the structure size of the operatic tunes after the loudspeaker of practical application, at least while select two kinds of suctions
Sound material adapted uses, and can be realized and makes full use of to the operatic tunes after loudspeaker, improves sound-absorbing effect.
In one embodiment, the graininess non-foamed sound-absorbing material 3 includes sound-absorbing particle 31 and receiving member, the suction
Sound particle 31 is encapsulated in inside the receiving member；Specifically, the receiving member includes tray 32 and gland 33, and the tray 32 has
There is opening portion, the lid of gland 33 is located at the opening portion of the tray 32.Wherein, gland 33 can use gluing or hot pressing
Mode be connected with tray 32；Sound-absorbing particle 31 is encapsulated in receiving member, can be shaped to sound-absorbing particle 31, it is convenient
It fills it into after loudspeaker in the operatic tunes, and quantitative control can be carried out to sound-absorbing particle 31.
In one embodiment, the material of the tray is non-woven fabrics or plastics, and the material of the gland is non-woven fabrics.Tool
For body, receiving member can be integrally all made of non-woven fabrics；It is also possible that tray 32 is made of plastic materials such as PET, PP, and
Gland 33 is then made of non-woven fabrics.Entire graininess non-foamed sound-absorbing material 3 can be adhered to loudspeaking by means of adhesive
After device in the operatic tunes.
In one embodiment, buffering is provided between the blocky non-foamed sound-absorbing material 4 and the inner wall of module casing 1
Fixing piece 41.Application form one of of the blocky non-foamed sound-absorbing material 4 as non-foamed sound-absorbing material has taken into account the high property of material
The advantages that energy income and low assembly cost, but it is also easy to produce strength problem in application process, since loudspeaker is in the course of work
Middle air-flow can constantly impact blocky non-foamed sound-absorbing material 4, and since the inner wall of module casing 1 is hard material,
If directly blocky non-foamed sound-absorbing material 4 is assembled in module casing 1, blocky non-foamed sound-absorbing material 4 will be with mould
The inner wall constantly frictional impact of group shell 1, after working long hours, blocky non-foamed sound-absorbing material 4 will be chipping.Cause
This be arranged between blocky non-foamed sound-absorbing material 4 and the inner wall of module casing 1 buffering fixing piece 41, on the one hand can be convenient by
The installation of non-foamed sound-absorbing material 4 is fixed to the interior of module casing 1, on the other hand, by non-foamed sound-absorbing material 4 and module casing 1
Inner wall keep apart, do not occur directly to contact, the intensity of blocky non-foamed sound-absorbing material 4 can be effectively improved in this way.
In one embodiment, the foaming sound-absorbing material 5 is foaming acoustical cotton.For example, polyurethane, melamine etc..
Graininess non-foamed sound-absorbing material 3, blocky non-foamed sound-absorbing material 4 and foaming 5 matched combined of sound-absorbing material use
One embodiment as shown in Figure 1, graininess non-foamed sound-absorbing material 3 and blocky non-foamed sound-absorbing material 4 are arranged in pairs or groups
It is applied in combination.In the present embodiment, by graininess non-foamed sound-absorbing material 3 assemble loudspeaker rear operatic tunes size is larger, shape
Shape is not in excessively complicated region, and the size of the rear operatic tunes is smaller, shape is more complicated, can not realize assembly graininess
In the region of non-foamed sound-absorbing material 3, then select to assemble blocky non-foamed sound-absorbing material 4.Blocky non-foamed sound-absorbing material 4 with
Granular non-foamed sound-absorbing material 3 is compared, lower to the size shape requirement of the rear operatic tunes, and graininess non-foamed sound-absorbing material 3 is right
The three-dimensional dimension (X to length, Y-direction width and Z-direction height) of the operatic tunes has a higher requirement afterwards, and blocky non-foamed sound-absorbing material
4 often only have to certain one-dimensional size of the rear operatic tunes it is required, the size of which dimension of specific requirement then as the case may be depending on.
Graininess non-foamed sound-absorbing material 3, blocky non-foamed sound-absorbing material 4 and foaming 5 matched combined of sound-absorbing material use
Second embodiment as shown in Fig. 2, blocky non-foamed sound-absorbing material 4 and foaming sound-absorbing material 5 are carried out matched combined use.
In the present embodiment, by blocky non-foamed sound-absorbing material 4 assemble loudspeaker rear operatic tunes size is larger, shape is not excessively multiple
In miscellaneous region, and the size of the rear operatic tunes is smaller, shape is more complicated, the blocky non-foamed sound-absorbing material that can not realize assembly
In 4 region, then assembly foaming sound-absorbing material 5 is selected.Blocky non-foamed sound-absorbing material 4 is compared to foaming sound-absorbing material 5 to rear sound
The size shape of chamber is more more demanding, and foaming sound-absorbing material 5 does not almost require the geomery of the rear operatic tunes particularly,
It is very flexible to the adaptability of geomery, as long as there is some positions, it will be able to which the foaming filling of sound-absorbing material 5 is entered.
Graininess non-foamed sound-absorbing material 3, blocky non-foamed sound-absorbing material 4 and foaming 5 matched combined of sound-absorbing material use
Third embodiment as shown in figure 3, by graininess non-foamed sound-absorbing material 3 and foaming sound-absorbing material 5 carry out matched combined make
With.In the present embodiment, by graininess non-foamed sound-absorbing material 3 assemble loudspeaker rear operatic tunes size is larger, shape is not
In excessively complicated region, and the size of the rear operatic tunes is smaller, shape is more complicated, can not realize assembly graininess non-foamed
In the region of sound-absorbing material 3, then assembly foaming sound-absorbing material 5 is selected.
Certainly, according to specific applicable cases, graininess non-foamed sound-absorbing material 3, blocky non-foamed sound-absorbing material 4 and hair
Bubble these three sound-absorbing components of sound-absorbing material 5 can also use simultaneously.
Various embodiments illustrated above can be applied according to the structure of actual product and acoustics performance benefits result is flexibly adjusted
It is whole.
The above embodiment of the present invention takes full advantage of graininess non-foamed sound-absorbing material 3, blocky non-foamed sound-absorbing material 4
And the feature that foaming sound-absorbing material 5 is respective, these three sound-absorbing components are subjected to flexible combination collocation and are used, are realized to loudspeaker
The rear operatic tunes that the operatic tunes afterwards, especially size are smaller, structure is more complex makes full use of, and realizes and increases to the full extent from sound-absorbing part
If angle the Optimization Debugging of loudspeaker acoustical behavior is improved, performed better than using convenient, sound-absorbing effect.
The embodiment of the invention also provides a kind of electronic equipment comprising loudspeaker mould group as described above.Electronic equipment
Such as have sound-box device, home audio-visual devices, vehicle-mounted sound box equipment etc..
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (10)
1. a kind of loudspeaker mould group characterized by comprising
Module casing, is provided with loudspeaker monomer in the module casing, and the vibrating diaphragm of the loudspeaker monomer is by the mould group shell
Intracorporal cavity is divided into the preceding operatic tunes and the rear operatic tunes；
Composite sound-absorbing component, the composite sound-absorbing component are located in the rear operatic tunes of the module casing, the composite sound-absorbing component
Including at least two sound-absorbing components, the sound-absorbing component includes graininess non-foamed sound-absorbing material, blocky non-foamed sound-absorbing material
And foaming sound-absorbing material.
2. loudspeaker mould group according to claim 1, which is characterized in that the graininess non-foamed sound-absorbing material includes inhaling
Sound particle and receiving member, the sound-absorbing particle are encapsulated in inside the receiving member.
3. loudspeaker mould group according to claim 2, which is characterized in that the receiving member includes tray and gland, described
Tray has opening portion, and the gland lid is located at the opening portion of the tray.
4. loudspeaker mould group according to claim 3, which is characterized in that the material of the tray is non-woven fabrics or plastics.
5. loudspeaker mould group according to claim 3, which is characterized in that the material of the gland is non-woven fabrics.
6. loudspeaker mould group according to claim 1, which is characterized in that the bulk non-foamed sound-absorbing material and mould group shell
Buffering fixing piece is provided between the inner wall of body.
7. loudspeaker mould group according to claim 1 to 6, which is characterized in that the foaming sound-absorbing material is hair
Steep acoustical cotton.
8. loudspeaker mould group according to claim 1 to 6, which is characterized in that the rear operatic tunes of the module casing
Inside there is the first receiving area and the second receiving area, the volume of first receiving area is greater than the volume of the second receiving area.
9. loudspeaker mould group according to claim 8, which is characterized in that the composite sound-absorbing component includes the non-hair of graininess
When steeping sound-absorbing material and blocky non-foamed sound-absorbing material, the graininess non-foamed sound-absorbing material is arranged in the first receiving area,
And the blocky non-foamed sound-absorbing material is arranged in the second receiving area；The composite sound-absorbing component includes blocky non-foamed sound-absorbing
When material and foaming sound-absorbing material, the bulk non-foamed sound-absorbing material is arranged in the first receiving area, and the foaming sound-absorbing
Material is arranged in the second receiving area；The composite sound-absorbing component includes graininess non-foamed sound-absorbing material and foaming sound-absorbing material
When, the graininess non-foamed sound-absorbing material is arranged in the first receiving area, and foaming sound-absorbing material setting is held second
It receives in area.
10. a kind of electronic equipment, which is characterized in that it includes loudspeaker mould group as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910100980.5A CN109688522A (en) | 2019-01-31 | 2019-01-31 | A kind of loudspeaker mould group and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910100980.5A CN109688522A (en) | 2019-01-31 | 2019-01-31 | A kind of loudspeaker mould group and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109688522A true CN109688522A (en) | 2019-04-26 |
Family
ID=66195309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910100980.5A Pending CN109688522A (en) | 2019-01-31 | 2019-01-31 | A kind of loudspeaker mould group and electronic equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN109688522A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021000166A1 (en) * | 2019-06-30 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Speaker module |
| CN114175605A (en) * | 2019-08-02 | 2022-03-11 | 三星电子株式会社 | Electronic device including air adsorbing member and speaker module |
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| CN204291362U (en) * | 2015-01-06 | 2015-04-22 | 歌尔声学股份有限公司 | A kind of loud speaker module |
| CN204498363U (en) * | 2015-04-13 | 2015-07-22 | 歌尔声学股份有限公司 | Sound-absorbing assembly and be provided with the loud speaker module of this sound-absorbing assembly |
| CN205029855U (en) * | 2015-10-12 | 2016-02-10 | 歌尔声学股份有限公司 | Inhale sound subassembly and be equipped with this speaker module of inhaling sound subassembly |
| CN205232448U (en) * | 2015-12-02 | 2016-05-11 | 歌尔声学股份有限公司 | Loudspeaker module group |
| CN209283502U (en) * | 2019-01-31 | 2019-08-20 | 歌尔股份有限公司 | A kind of loudspeaker mould group and electronic equipment |
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2019
- 2019-01-31 CN CN201910100980.5A patent/CN109688522A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204291362U (en) * | 2015-01-06 | 2015-04-22 | 歌尔声学股份有限公司 | A kind of loud speaker module |
| CN204498363U (en) * | 2015-04-13 | 2015-07-22 | 歌尔声学股份有限公司 | Sound-absorbing assembly and be provided with the loud speaker module of this sound-absorbing assembly |
| CN205029855U (en) * | 2015-10-12 | 2016-02-10 | 歌尔声学股份有限公司 | Inhale sound subassembly and be equipped with this speaker module of inhaling sound subassembly |
| CN205232448U (en) * | 2015-12-02 | 2016-05-11 | 歌尔声学股份有限公司 | Loudspeaker module group |
| CN209283502U (en) * | 2019-01-31 | 2019-08-20 | 歌尔股份有限公司 | A kind of loudspeaker mould group and electronic equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021000166A1 (en) * | 2019-06-30 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Speaker module |
| CN114175605A (en) * | 2019-08-02 | 2022-03-11 | 三星电子株式会社 | Electronic device including air adsorbing member and speaker module |
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Application publication date: 20190426 |