CN209488750U - A kind of speaker sound absorber - Google Patents
A kind of speaker sound absorber Download PDFInfo
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- CN209488750U CN209488750U CN201920265060.4U CN201920265060U CN209488750U CN 209488750 U CN209488750 U CN 209488750U CN 201920265060 U CN201920265060 U CN 201920265060U CN 209488750 U CN209488750 U CN 209488750U
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- sound
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- absorbing
- speaker
- wave
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Abstract
The utility model discloses a kind of speaker sound absorber, including spongy layer, the side of the spongy layer is integrally formed with several wavy bulges, sound-absorbing nonwoven layer is connected in the wavy bulge, the inside of the spongy layer offers cavity, the side parallel with wavy bulge is wave-shaped in the cavity, and cavity side wave-shaped is connected with the centrifugal glass wool layer being bonded completely with it.The utility model has the beneficial effects that passing through setting sound-absorbing block, centrifugal glass wool layer, sound-absorbing nonwoven layer and spongy layer, the stronger sound absorption qualities that this sound absorber is had by material itself, by inside speaker sound wave and standing wave weaken even thoroughly eliminate, the case where to avoid speaker from will appear echo or distortion, ensure that the sound quality of speaker is high-fidelity sound quality.
Description
Technical field
The utility model relates to a kind of speaker sound absorbers, belong to sound-absorbing material technical field.
Background technique
With the continuous improvement of people's living standards, playing music by Hi-Fi sound-box in daily life is that people are logical
The case where one kind that can often use loosens behavior, and Hi-Fi sound-box has relatively clear sound quality, is less prone to distortion, in order to protect
The sound quality for demonstrate,proving speaker can be high-fidelity sound quality, and people often install speaker sound absorber in speaker, send out it to speaker
Inside sound wave when sound is weakened, and sound wave rebound inside speaker is avoided to generate standing wave, prevents standing wave from producing to speaker broadcast sound quality
It is raw to influence, but current speaker is not good enough with sound absorber sound-absorbing effect, can not by inside speaker extra sound wave and standing wave disappear
It removes.
Utility model content
The purpose of this utility model is just providing a kind of speaker sound absorber to solve the problem above-mentioned.
The utility model is achieved through the following technical solutions above-mentioned purpose, a kind of speaker sound absorber, including spongy layer,
The side of the spongy layer is connected with sound-absorbing nonwoven layer in the wavy bulge integrally formed with several wavy bulges,
The inside of the spongy layer offers cavity, and the interior side parallel with wavy bulge of the cavity is wave-shaped, the cavity
Side wave-shaped is connected with the centrifugal glass wool layer being bonded completely with it, the cavity relative to centrifugal glass wool layer one
Side is equipped with sound absorbing layer, and the sound absorbing layer is made of several sound-absorbing blocks.
As the further setting of the utility model, several sound-absorbing block rectangular array arrangements.
As the further setting of the utility model, the sound-absorbing block is by four sides, a bottom surface and a platform
The truncated rectangular pyramids of composition.
As the further setting of the utility model, the sound-absorbing nonwoven layer is equipped with the first protective film layer, the sea
Continuous layer is equipped with the second protective film layer far from the side of wavy bulge, and first protective film layer and the second protective film layer are all made of
PVC protective film, the sound-absorbing nonwoven layer use polyester fiber.
As the further setting of the utility model, the spongy layer is equipped with several micropores, is all provided in several micropores
There is sound-absorbing particle, the sound-absorbing particle is perlite particle.
As the further setting of the utility model, the spongy layer uses polyurethane sponge material, and the sound-absorbing block is adopted
Use melamine foam material.
Compared with prior art, the utility model has the beneficial effects that
The utility model is by setting sound-absorbing block, centrifugal glass wool layer, sound-absorbing nonwoven layer and spongy layer, so that this sound absorption
The stronger sound absorption qualities that body can have by material itself, by inside speaker sound wave and standing wave weaken even thoroughly disappear
It removes, so that the case where avoiding speaker from will appear echo or distortion, ensure that the sound quality of speaker is high-fidelity sound quality.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of speaker sound absorber of the utility model；
Fig. 2 is the structural schematic diagram of sound-absorbing block layer in a kind of speaker sound absorber of the utility model.
Appended drawing reference: 1, spongy layer；2, sound-absorbing nonwoven layer；3, the first protective film layer；4, centrifugal glass wool layer；5, empty
Chamber；6, platform；7, sound absorbing layer；8, the second protective film layer；9, bottom surface；10, sound-absorbing block；11, side；12, wavy bulge；13,
Micropore；14, sound-absorbing particle.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1 and Fig. 2, a kind of speaker sound absorber, including spongy layer 1, spongy layer 1 uses polyurethane sponge
Material, the side of spongy layer 1 are connected with sound-absorbing nonwoven layer in wavy bulge 12 integrally formed with several wavy bulges 12
2, sound-absorbing nonwoven layer 2 uses polyester fiber, and the inside of spongy layer 1 offers cavity 5, and cavity 5 is interior flat with wavy bulge 12
Capable side is wave-shaped, and the side wave-shaped of cavity 5 is connected with the centrifugal glass wool layer 4 being bonded completely with it, 5 phase of cavity
Sound absorbing layer 7 is equipped with for the side of centrifugal glass wool layer 4, the sound-absorbing block 10 that sound absorbing layer 7 is arranged by several rectangular arrays forms,
Sound-absorbing block 10 uses melamine foam material.
When speaker work, sound source issues sound wave, and sound wave is transmitted on sound absorber, and sound wave first passes through sound-absorbing nonwoven layer
2, since sound-absorbing nonwoven layer 2 has preferable sound-absorbing effect in itself, when sound wave penetrates sound-absorbing nonwoven layer 2, sound wave
Weakened, sound wave is transmitted to in the integrally formed wavy bulge 12 of spongy layer 1, increases sound by wavy bulge 12
The contact area of wave and spongy layer 1, so that the sound-absorbing range of spongy layer 1 expands, since spongy layer 1 is polyurethane sponge material,
Sound wave is in the nature vibration, and vibration is transmitted on spongy layer 1, elastic deformation occurs by spongy layer 1, spongy layer 1 passes through elasticity
Deformation weakens vibration, so that the sound of sound wave can be carried out weakenings, sound wave penetrate enter after spongy layer 1 cavity 5 it is interior and by from
There are a large amount of small holes due to centrifugal glass wool layer 4 since material internal fiber itself is fluffy staggeredly in heart mineral wool layer 4,
It is typical porous sound-absorbing material, there are good sound absorption characteristics, therefore when on sound wave incident to centrifugal glass wool layer 4,
Sound wave can enter material internal along hole, cause the vibration of air molecule in gap, due to the viscosity resistance and air of air
The friction of molecule and pore wall, sound can be converted into thermal energy and be lost, sound wave leave after centrifugal glass wool layer 4 with several sound-absorbing blocks 10
Contact can further weaken sound wave, sound since sound-absorbing block 10 is using the material characteristic of melamine foam material
Wave is re-introduced into spongy layer 1 after leaving the structure in cavity 5 and carries out sound-absorbing, so that the sound wave inside speaker is thorough
Weakening even is eliminated, so that the case where avoiding speaker from will appear echo or distortion, ensure that the sound quality of speaker is high-fidelity sound
Matter.
Sound-absorbing block 10 is the truncated rectangular pyramids being made of four sides, 11, bottom surfaces 9 and a platform 6.
By the sound-absorbing block 10 of setting truncated rectangular pyramids shape, sound-absorbing block 10 is enabled to increase the area with acoustic wave touch, so that
Sound-absorbing block 10 can more efficiently absorb sound wave, and make sound-absorbing block 10 in actual production, be more easier to process, so that
The manufacture of entire sound-absorbing block 10 is more convenient.
Sound-absorbing nonwoven layer 2 is equipped with the first protective film layer 3, and spongy layer 1 is equipped with the far from the side of wavy bulge 12
Two protective film layers 8.
First protective film layer 3 and the second protective film layer 8 are all made of PVC protective film, pass through the first protective film layer 3 of setting and the
Two protective film layers 8 can play preferable protecting effect to this sound absorber, this sound absorber is avoided to occur breakage in use
The case where, enable this sound absorber to have longer service life.
Spongy layer 1 is equipped with several micropores 13, and sound-absorbing particle 14 is equipped in several micropores 13, and sound-absorbing particle 14 is perlite
Particle.
By the way that several micropores 13 are arranged, enable sound wave to enter the inside of spongy layer 1 along micropore 13, cause in micropore 13
The vibration of air molecule, since the viscosity resistance and air molecule of air rub with spongy layer 1, sound can be converted into thermal energy and
Loss, to play the effect for weakening sound wave, while by setting sound-absorbing particle 14, material itself has due to sound-absorbing particle 14
Preferable acoustical absorbance properties, so that sound wave when entering 13 inside of micropore, can also be partially absorbed by sound-absorbing particle 14, thus
Play preferable sound-absorbing effect.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of speaker sound absorber, including spongy layer (1), it is characterised in that: the side of the spongy layer (1) integrally formed with
Several wavy bulges (12) are connected with sound-absorbing nonwoven layer (2) on the wavy bulge (12), the spongy layer (1)
Inside offers cavity (5), and the side parallel with wavy bulge (12) is wave-shaped in the cavity (5), the cavity (5)
Side wave-shaped is connected with the centrifugal glass wool layer (4) being bonded completely with it, and the cavity (5) is relative to centrifugally glass-wool
The side of layer (4) is equipped with sound absorbing layer (7), and the sound absorbing layer (7) is made of several sound-absorbing blocks (10).
2. a kind of speaker sound absorber according to claim 1, it is characterised in that: several sound-absorbing blocks (10) are in rectangle
Array arrangement.
3. a kind of speaker sound absorber according to claim 1, it is characterised in that: the sound-absorbing block (10) is by four sides
The truncated rectangular pyramids that face (11), a bottom surface (9) and a platform (6) form.
4. a kind of speaker sound absorber according to claim 1, it is characterised in that: set on the sound-absorbing nonwoven layer (2)
Have the first protective film layer (3), the spongy layer (1) is equipped with the second protective film layer (8) far from the side of wavy bulge (12), institute
It states the first protective film layer (3) and the second protective film layer (8) is all made of PVC protective film, the sound-absorbing nonwoven layer (2) uses polyester
Fiber.
5. a kind of speaker sound absorber according to claim 1, it is characterised in that: the spongy layer (1) is equipped with several micro-
Hole (13), several micropores (13) are interior to be equipped with sound-absorbing particle (14), and the sound-absorbing particle (14) is perlite particle.
6. a kind of speaker sound absorber according to claim 1, it is characterised in that: the spongy layer (1) uses polyurethane
Sponge material, the sound-absorbing block (10) use melamine foam material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920265060.4U CN209488750U (en) | 2019-03-04 | 2019-03-04 | A kind of speaker sound absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920265060.4U CN209488750U (en) | 2019-03-04 | 2019-03-04 | A kind of speaker sound absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209488750U true CN209488750U (en) | 2019-10-11 |
Family
ID=68134171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920265060.4U Expired - Fee Related CN209488750U (en) | 2019-03-04 | 2019-03-04 | A kind of speaker sound absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209488750U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114305374A (en) * | 2021-12-29 | 2022-04-12 | 广州广电计量检测股份有限公司 | Fetal heart simulator calibration device and method |
-
2019
- 2019-03-04 CN CN201920265060.4U patent/CN209488750U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114305374A (en) * | 2021-12-29 | 2022-04-12 | 广州广电计量检测股份有限公司 | Fetal heart simulator calibration device and method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191011 |
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| CF01 | Termination of patent right due to non-payment of annual fee |