CN209283502U - A kind of loudspeaker mould group and electronic equipment - Google Patents
A kind of loudspeaker mould group and electronic equipment Download PDFInfo
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- CN209283502U CN209283502U CN201920176598.8U CN201920176598U CN209283502U CN 209283502 U CN209283502 U CN 209283502U CN 201920176598 U CN201920176598 U CN 201920176598U CN 209283502 U CN209283502 U CN 209283502U
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- sound
- absorbing material
- absorbing
- foamed
- mould group
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Abstract
The utility model 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 utility model 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.
Utility model content
One purpose of the utility model is to provide the new solution of a kind of loudspeaker mould group and electronic equipment.
One aspect according to the present utility model provides 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.
Other side according to the present utility model, provides a kind of electronic equipment comprising loudspeaker as described above
Mould group.
One of the utility model has technical effect that, according to the structure size of the operatic tunes after the loudspeaker of practical application, until
The two kinds of sound-absorbing material collocation of few simultaneous selection use, and can be realized and make full use of to the operatic tunes after loudspeaker, improve sound-absorbing effect.
By the detailed description referring to the drawings to the exemplary embodiment of the utility model, the utility model it is other
Feature 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 embodiments of the present invention, and
And together with its explanation for explaining the principles of the present invention.
Fig. 1 is the knot of one embodiment that three kinds of sound-absorbing components are combined in a kind of loudspeaker mould group of the utility model
Structure schematic diagram；
Fig. 2 is the knot for second embodiment that three kinds of sound-absorbing components are combined in a kind of loudspeaker mould group of the utility model
Structure schematic diagram；
Fig. 3 is the knot for the third embodiment that three kinds of sound-absorbing components are combined in a kind of loudspeaker mould group of the utility model
Structure schematic diagram.
Specific embodiment
The various exemplary embodiments of the utility model are described in detail now with reference to attached drawing.It should also be noted that unless another
It illustrates outside, the component 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.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel 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 utility model embodiment provides a kind of loudspeaker mould group, which includes module casing 1, the mould
It is provided with loudspeaker monomer 2 in group shell 1, the cavity in the module casing 1 is divided by the vibrating diaphragm of the loudspeaker monomer 2
The preceding operatic tunes 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 mould group shell
In the rear operatic tunes of body 1, the composite sound-absorbing component includes at least two sound-absorbing components, and the sound-absorbing component includes the non-hair of graininess
Steep sound-absorbing 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 utility model embodiment is by graininess non-foamed sound-absorbing material 3, blocky non-foamed sound-absorbing material 4 and foaming sound-absorbing
5 three kinds of sound-absorbing components of material are combined, and according to the structure size of the operatic tunes after the loudspeaker of practical application, at least while select two
Kind sound-absorbing material collocation 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 embodiments of the present invention takes full advantage of graininess non-foamed sound-absorbing material 3, blocky non-foamed sound-absorbing
These three sound-absorbing components are carried out flexible combination collocation and used by material 4 and the respective feature of foaming sound-absorbing material 5, are realized pair
The rear operatic tunes that the operatic tunes after loudspeaker, especially size are smaller, structure is more complex makes full use of, and realizes to the full extent from suction
The angle that sound part is added improves the Optimization Debugging of loudspeaker acoustical behavior, performs better than using convenient, sound-absorbing effect.
The utility model embodiment additionally provides a kind of electronic equipment comprising loudspeaker mould group as described above.Electronics
Equipment for example has sound-box device, home audio-visual devices, vehicle-mounted sound box equipment etc..
Although being described in detail by some specific embodiments of the example to the utility model, this field
It is to be understood by the skilled artisans that example above merely to be illustrated, 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 where, to above embodiments
It modifies.The scope of the utility model 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 |
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| CN201920176598.8U CN209283502U (en) | 2019-01-31 | 2019-01-31 | A kind of loudspeaker mould group and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920176598.8U CN209283502U (en) | 2019-01-31 | 2019-01-31 | A kind of loudspeaker mould group and electronic equipment |
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| CN209283502U true CN209283502U (en) | 2019-08-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109688522A (en) * | 2019-01-31 | 2019-04-26 | 歌尔股份有限公司 | A kind of loudspeaker mould group and electronic equipment |
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- 2019-01-31 CN CN201920176598.8U patent/CN209283502U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109688522A (en) * | 2019-01-31 | 2019-04-26 | 歌尔股份有限公司 | A kind of loudspeaker mould group and electronic equipment |
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