CN101267684B - Set sound absorption unit for interference phase difference - Google Patents
Set sound absorption unit for interference phase difference Download PDFInfo
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- CN101267684B CN101267684B CN2007100569262A CN200710056926A CN101267684B CN 101267684 B CN101267684 B CN 101267684B CN 2007100569262 A CN2007100569262 A CN 2007100569262A CN 200710056926 A CN200710056926 A CN 200710056926A CN 101267684 B CN101267684 B CN 101267684B
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Abstract
The invention is an interference type phase difference sound absorption unit for eliminating noise of a sound box, comprising a box in which a chamber composed of a wall is arranged, and which is provided with at least an opening for sound waves entering the chamber of the box, an external sound collection cover mounted at the opening of the box and provided with a plurality of penetration-holes for sound waves penetration so that the sound waves can enter the chamber of the box and can be refracted by the wall of the box. An agency sound collection cover and a sound eliminating tube are arranged in the external sound collection cover for sound waves penetration so as to provide effect of absorbing or eliminating various sound waves. Both of the external sound collection cover and the agency sound collection cover are provided with an oblique cone front cover and a cylindrical rear cover respectively. The external cover of the sound eliminating tube projects from the agency sound collection cover to be convenient for sound absorption.
Description
Technical field
What the present invention relates to is the noise of eliminating audio amplifier, relates to a kind of invention of set sound absorption unit for interference phase difference aspect of audio amplifier or rather.
Background technology
At present, the collection sound-absorbing assembly of audio amplifier generally is to adopt the sound cover that goes out; And this sound that goes out is covered with is set to various shape, and in this goes out the sound cover, through hole is set, so that noise is compressed; Frequency conversion, and produce phase difference etc., and the noise of remnants is introduced in the anechoic chamber of soundproofing member; Utilize the refraction break-in of sound wave to be used for cancelling out each other, to reach to the collection suction of noise and the effect and the effect of noise reduction.
,, find that set sound collection cover has only one in this sound cover that goes out through after using, and its sound collection cover with go out sound pipe and can't change or connect other converting means or structure simply, so still remain improvements in the use.
This shows that above-mentioned existing sound-absorbing assembly still has many defectives, and demands urgently improving.
Because the defective that above-mentioned existing sound-absorbing assembly exists; The design people is based on being engaged in this type of product design manufacturing for many years; Long-pending have abundant practical experience and professional knowledge, actively studies innovation, in the hope of founding a kind of set sound absorption unit for interference phase difference that improves molding structure; Can improve the general molding structure of existing conventional sound-absorbing assembly on the market, make it have more competitiveness.Through constantly research, design, and after studying sample and improvement repeatedly, found out the present invention of true tool practical value finally.
Summary of the invention
Technical problem underlying to be solved by this invention is; Overcome the defective that existing sound-absorbing assembly exists; And a kind of set sound absorption unit for interference phase difference of new structure is provided, make it that two or more sound collection covers are set in audio amplifier, so that be used for more strengthening collecting the effect of sound-absorbing.
Another one of the present invention technical problem underlying to be solved is, it can change or connect other converting means or structure simply going out between sound pipe and the sound collection cover, make that it in the use can more convenient practicality.
The present invention solves its technical problem underlying and adopts following technical scheme to realize.
A kind of set sound absorption unit for interference phase difference comprises a casing, and its inside is provided with a room; Be made up of a wall and a diapire, and be provided with the room the inside of at least one opening for this casing of sound wave entering, an outer sound collection cover is mounted in the room of this casing; Should be provided with many through holes by outer sound collection cover, penetrate, its room that can enter into this casing the inside is gone for sound wave; And can reflect by the wall of this casing, it is characterized in that:
It comprises that more intermediary's sound collection cover is mounted to this outer sound collection cover the inside and removes and be fixed to this outer sound collection cover, and this intermediary's sound collection cover is provided with many through holes and enters into this casing the inside for sound wave penetrates this intermediary's sound collection cover;
The one sound pipe that goes out is arranged on this intermediary sound collection cover the inside, and is fixed to this intermediary's sound collection cover, and this sound pipe that goes out is provided with many through holes and penetrates this for sound wave and go out the sound pipe and enter into this casing the inside and go.
Aforesaid set sound absorption unit for interference phase difference, wherein said outer sound collection cover have at least one inlay card body toward interior extension, can supply this intermediary's sound collection cover is fixed to this outer sound collection cover.
Aforesaid set sound absorption unit for interference phase difference, wherein said outer sound collection cover has ring body in, and this inlay card body is by the past interior extension of ring body in this.
Aforesaid set sound absorption unit for interference phase difference, wherein said outer sound collection cover have cover body in an outer outlet body and, and should be arranged between outer outlet body and the interior cover body by middle ring body.
Aforesaid set sound absorption unit for interference phase difference, the interior cover body of wherein said outer sound collection cover have a bottom and are open shape.
Aforesaid set sound absorption unit for interference phase difference, the outer outlet body of wherein said outer sound collection cover is to be oblique cone shape.
Aforesaid set sound absorption unit for interference phase difference, the interior cover body of wherein said outer sound collection cover is cylindrical.
Aforesaid set sound absorption unit for interference phase difference, the annular outboard of wherein said intermediary sound collection cover are provided with the inlay card body buckle of a ring groove for outer sound collection cover, and can intermediary's sound collection cover be removably fixed to this outer sound collection cover.
Aforesaid set sound absorption unit for interference phase difference, wherein said intermediary sound collection cover has ring body in, and this ring groove is to be formed at ring body annular outboard in this.
Aforesaid set sound absorption unit for interference phase difference, wherein said intermediary sound collection cover have cover body in an outer outlet body and, and should be arranged between outer outlet body and the interior cover body by middle ring body.
Aforesaid set sound absorption unit for interference phase difference, the interior cover body of wherein said intermediary sound collection cover have one and are the taper base assemblies that up extends to cover body the inside in this.
Aforesaid set sound absorption unit for interference phase difference, the outer outlet body of wherein said intermediary sound collection cover is to be oblique cone shape.
Aforesaid set sound absorption unit for interference phase difference, the interior cover body of wherein said intermediary sound collection cover is cylindrical.
Aforesaid set sound absorption unit for interference phase difference, wherein said intermediary sound collection cover have a ring groove and are formed in one in the ring body, so that with a bottom mutual buckle of inlay card body of the sound pipe that goes out and the sound pipe that removably will go out is fixed to this intermediary's sound collection cover.
Aforesaid set sound absorption unit for interference phase difference, wherein said intermediary sound collection cover has a catching groove, and this sound pipe that goes out has a circumferential inlay card body, and the sound pipe that removably will go out is fixed to this intermediary's sound collection cover for a catching groove of this intermediary's sound collection cover of buckle.
The present invention compared with prior art has tangible advantage and beneficial effect.Can know by above technical scheme; The present invention is owing to adopt technique scheme; Make it have two layers or more or the cover body of multilayer and/or the special construction setting of the sound pipe that goes out, when being got into toward this set sound absorption unit is inner by the outside, it can cause N frequency conversion via the diffraction of this which floor cover body and/or the sound pipe that goes out; And it can produce reverse with the amplitude phase difference; Make these audio frequency to interfere each other and to cancel out each other, institute is not so that these audio frequency only can or not flow out this set sound absorption unit toward the inner entering of this set sound absorption unit, so it can reach splendid collection sound-absorbing effect.
The present invention is on the practicality and cost benefit of structural design, use; Really it is required to meet industry development fully; And the structure that is disclosed is unprecedented innovative design, and it is not shown in any publication, does not see more that before application that identical architectural feature is arranged is known, formerly public; And also not seeing on the market has similar products like, and has novelty really.
Structure of the present invention really has more technological progress property than existing sound-absorbing assembly; And its particular structure characteristic and more can also be far from existing sound-absorbing assembly institute comparable; More existing sound-absorbing assembly has more technical progress, and has the multinomial effect of enhancement, and creative really.
Applicant of the present invention studies this series products experience of existing ten several years; Quite understand for existing problem of existing sound-absorbing assembly and defective; And the present invention founds according to above-mentioned Study of Defects exploitation; It can reach its intended purposes and effect really and not only on the kenel of space, really belong to innovation, and than existing accessory really suitable enhancement effect is arranged, and existing convention product has more technological progress property and practicality; And produced handy and practical good effect, and have practicality really.
In sum, the present invention really belongs to innovation on the kenel of space, and has the multinomial effect of enhancement than existing product, and simple in structure, is suitable for practicality, has the extensive value of industry.It is in limited field, technical development space; No matter structurally or bigger improvement all arranged on the function; And have large improvement technically, and produced handy and practical effect, and have the effect of enhancement really; Thereby being suitable for practicality more, really is the new design of a novelty, progress, practicality.
Above-mentioned explanation is merely technical scheme characteristic of the present invention general introduction partly; For can more being known, the professional and technical personnel understands technological means of the present invention; And can implement according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. specify as after.
Embodiment of the present invention is provided by following examples and accompanying drawing thereof in detail.
Description of drawings
Fig. 1 is the stereogram of set sound absorption unit for interference phase difference of the present invention, and wherein it 1/4th is broken away, with the structure that clearly illustrates that it is inner;
Fig. 2 is the plane graph of set sound absorption unit for interference phase difference of the present invention, and wherein it also has 1/4th to be broken away, with the structure that clearly illustrates that it is inner;
Fig. 3 is the schematic perspective view of the casing of set sound absorption unit for interference phase difference of the present invention;
Fig. 4 is the schematic perspective view of another other embodiment of set sound absorption unit for interference phase difference of the present invention, and wherein it 1/4th is broken away, with the structure that clearly illustrates that it is inner;
Fig. 5 is the plane graph of Fig. 4 set sound absorption unit for interference phase difference, and wherein it also has 1/4th to be broken away, with the structure that clearly illustrates that it is inner.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to its embodiment, structure, characteristic and the effect thereof that proposes according to the present invention, specify as after.
The symbol description * * * of * * accompanying drawing major part
10 casings, 11 rooms
12 walls, 13 openings
14 connecting rods, 15 hole slots
16 short slots, 17 catching grooves
18 projection bars, 19 diapires
20,30 sound collection covers, 21 extending parts
22 locked bodies 23,24,33,34,44 cover bodies
27,41 bottoms, 28,42 inlay card bodies
32 ring grooves, 37 diapires
The 40 sound pipes that go out
See also Fig. 1, Fig. 2, shown in Figure 3; Set sound absorption unit for interference phase difference of the present invention, it mainly comprises a casing 10, its inside is provided with a room 11; Constitute by 12 on a circumferential or annular wall, and be provided with at least one opening 13 can get into this casing 10 for sound wave room 11 the insides.This casing 10 can be provided with one or more vertical connecting rod 14 in its wall 12 outsides, and can establish a hole slot 15 and a short slot 16 in each connecting rod 14, is mounted to apace on other supportive device again for convenient.One or more catching groove 17 can be arranged on the wall 12, for example be arranged on wall 12 near its opening 13 places, and one or more projection bar 18 can be arranged on room 11 the insides of this casing 10, and extended out by a diapire 19 places.
One outside sound collection cover 20 can be mounted to opening 13 the insides of this casing 10; And embed room 11 the insides of this casing 10; Its top has one and generally is radially the extending part 21 that extends outward and can supplies inlay card to live the top of this casing 10, and can or be fixed to this casing 10 with this sound collection cover 20 location.This sound collection cover 20 can comprise one or more locked body 22, for catching groove 17 the insides that embed this casing 10, and can firmly this sound collection cover 20 be fixed to this casing 10 and can prevent that this sound collection cover 20 breaks away from this casing 10.This sound collection cover 20 has preceding or outer outlet body 23 and cylindrical without exception back or the interior cover body 24 that without exception is inclination or oblique cone shape, and stepped without exception middle ring body 25.Respectively have many through holes 26 with rear cover body 23,24 wherein, can pass before this and rear cover body 23,24 for sound wave.
These through holes 26 can be made up of the geometric figure in various shape or aperture; Triangle for example, square, circle; Rhombus; Or other various rules or irregular polygon, and the geometric figure in these various shapes or aperture can constitute various main body or secondary main body or cohort earlier again, and then made up and to constitute the through hole 26 of this sound collection cover 20 moulded by these various main bodys or secondary main body or cohort.During use; Pass before this room 11 the insides that sound wave with rear cover body 23,24 can also enter into this casing 10 and go, and can reflect by the wall 12 of this casing 10; Reaching the effect of phase difference or frequency conversion, and can be used for eliminating or absorbing the sound wave of other various different frequencies.The bottom 27 of this rear cover body 24 can be open shape and link with the room 11 of this casing 10.This sound collection cover 20 can comprise that one or more inlay card body 28 ring body 25 from this is stepped is radially toward in and extend.And this sound collection cover 20 also can be arranged to other various change shape.
One inboard or intermediary's sound collection cover 30 can be mounted to this outside sound collection cover 20 the insides or inboard; It also has stepped without exception middle ring body 31; And the annular outboard of ring body 31 is provided with inlay card body 28 buckles of a ring groove 32 for outside sound collection cover 20 in being somebody's turn to do, and can this outside sound collection cover 20 the insides or inboard installed or be fixed to intermediary's sound collection cover 30.This intermediary's sound collection cover 30 also has and is or the preceding or outer outlet body 33 of oblique cone shape and cylindrical without exception back or interior cover body 34 are separately positioned on the preceding of general stepped middle ring body 31 or outer and back or inboard place without exception.Also respectively have many through holes 35 with rear cover body 33,34 wherein, can pass before this and rear cover body 33,34 for sound wave.These through holes 35 can also be made up of the geometric figure in various shape or aperture; And the geometric figure in these various shapes or aperture can constitute various main body or secondary main body or cohort earlier again, and then made up by these various main bodys or secondary main body or cohort and constitute through hole 35 moulded of this intermediary's sound collection cover 30.
Preceding or the outer outlet body 33 of this intermediary's sound collection cover 30 preferably slightly, but optionally stretch out the outside sound collection cover 20 outside, with conveniently do the collection radio reception usefulness.The annular inboard of the middle ring body 31 that this is stepped can more be provided with another ring groove 36 and go out for one that sound pipe 40 is installed or the usefulness of buckle.Back or the interior cover body 34 of this intermediary's sound collection cover 30 is provided with a diapire 37, and it generally is coniform and up or backward or the 34 the inside projections of interior cover body.During use; Pass before this and rear cover body 33; 34 sound wave can also pass this back or interior cover body 34 and room 11 the insides that enter into outer and interior cover body 23,24 or enter into this casing 10 are gone, and can be reflected by the wall 12 of this casing 10; Reaching the effect of phase difference or frequency conversion, and can be used for eliminating or absorbing the sound wave of other various different frequencies.This sound pipe 40 that goes out also generally is cylindric; But its bottom 41 inlay cards are at ring groove 36 places of this intermediary's sound collection cover 30; And have relative catching groove 38 the insides that a recessed or protruding inlay card body 42 can supply to embed this intermediary's sound collection cover 30, and can this intermediary's sound collection cover 30 the insides or inboard installed or be fixed to this sound pipe 40 that goes out.
This sound pipe 40 that goes out also has many through holes 43; Can pass this sound pipe 40 that goes out for sound wave; These through holes 43 can also be made up of the geometric figure in various shape or aperture; And the geometric figure in these various shapes or aperture can constitute various main body or secondary main body or cohort earlier again, and then made up by these various main bodys or secondary main body or cohort and constitute through hole 43 moulded of this sound pipe 40 that goes out.This sound pipe 40 that goes out can be provided with outer outlet body spherical in shape without exception 44, and this outer outlet body 44 can also be slightly, but optionally stretches out outside intermediary's sound collection cover 30, conveniently to do the usefulness of collection radio reception.Certainly, this sound pipe 40 that goes out also can not established this outer outlet body 44, for example please be referring to Fig. 4 and shown in Figure 5, and it all can be used to do the usefulness of collection radio reception.
During operation, please be referring to Fig. 1 or shown in Figure 4, various sound waves can see through these sound collection covers 20; 30 penetrate into this casing 10 with the through hole 26,35,43 in various shape or the aperture of the sound pipe 40 that goes out room 11 the insides go; Can reflect or diffraction by the wall of this casing 10 12 and/or projection bar 18 then; Reaching the effect of phase difference or frequency conversion, and the sound wave of other various different frequencies can be used for eliminating or absorbing, the effect of frequency conversion can be reached again.Owing to be provided with these various through holes 26,35,43, make this set sound absorption unit of the present invention can be used for absorbing any sound or sound wave, or can be used for absorbing the sound or the sound wave of all directions, make the effect of its sound-absorbing more can promote.
Wherein must be noted that; Present audio amplifier and nobody are arranged on the aspect of going out between a sound pipe 40 and the outer sound collection cover 20 with intermediary's sound collection cover 30; So as long as this go out sound pipe 40 and outside be provided with one or more intermediary sound collection cover 30 between the sound collection cover 20 structure or aspect all will belong to category of the present invention, and should receive protection of Intellectual Property Rights.Then can be various difform conversion as for this panel or go out sound cover or sound collection cover implements.So, also all will belong to category of the present invention, and should receive protection of Intellectual Property Rights no matter which kind of shape this panel or go out sound cover or sound collection cover are set to.
Claims (15)
1. a set sound absorption unit for interference phase difference comprises a casing (10), and its inside is provided with a room (11); Constitute by a wall (12) and a diapire (19); And be provided with room (11) the inside of at least one opening (13) for sound wave this casing of entering (10), and an outer sound collection cover (20) is mounted in the room (11) of this casing (10), and this outer sound collection cover (20) is provided with many through holes (22); Penetrate for sound wave; Its room that can enter into this casing (10) (11) the inside is gone, and can be reflected, it is characterized in that by the wall (12) of this casing (10):
It comprises that more intermediary's sound collection cover (30) is mounted to this outer sound collection cover (20) the inside and removes and be fixed to this outer sound collection cover (20), and this intermediary's sound collection cover (30) is provided with many through holes (35) and goes inside entering into this casing (10) for sound wave penetrates this intermediary's sound collection cover (30);
The one sound pipe (40) that goes out is arranged on this intermediary's sound collection cover (30) the inside, and is fixed to this intermediary's sound collection cover (30), and this sound pipe (40) that goes out is provided with many through holes (43) and penetrates this for sound wave and go out the sound pipe and go inside entering into this casing (10).
2. set sound absorption unit for interference phase difference according to claim 1 is characterized in that: wherein said outer sound collection cover (20) has at least one inlay card body (28) toward interior extension, can supply this intermediary's sound collection cover (30) is fixed to this outer sound collection cover (20).
3. set sound absorption unit for interference phase difference according to claim 2 is characterized in that: wherein said outer sound collection cover (20) has ring body in (25), and this inlay card body (28) is by the past interior extension of ring body in this (25).
4. set sound absorption unit for interference phase difference according to claim 3; It is characterized in that: wherein said outer sound collection cover (20) has cover body (24) in an outer outlet body (23) and, and should be arranged between outer outlet body (23) and the interior cover body (24) by middle ring body (25).
5. set sound absorption unit for interference phase difference according to claim 4 is characterized in that: the interior cover body (24) of wherein said outer sound collection cover (20) has a bottom (27) and is open shape.
6. set sound absorption unit for interference phase difference according to claim 4 is characterized in that: the outer outlet body (23) of wherein said outer sound collection cover (20) is to be oblique cone shape.
7. set sound absorption unit for interference phase difference according to claim 4 is characterized in that: the interior cover body (24) of wherein said outer sound collection cover (20) is cylindrical.
8. set sound absorption unit for interference phase difference according to claim 2; It is characterized in that: the annular outboard of wherein said intermediary sound collection cover (30) is provided with inlay card body (28) buckle of a ring groove (32) for outer sound collection cover (20), and can intermediary's sound collection cover (30) be removably fixed to this outer sound collection cover (20).
9. set sound absorption unit for interference phase difference according to claim 8 is characterized in that: wherein said intermediary sound collection cover (30) has ring body in (31), and this ring groove (32) is to be formed at ring body in this (31) annular outboard.
10. set sound absorption unit for interference phase difference according to claim 9; It is characterized in that: wherein said intermediary sound collection cover (30) has cover body (34) in an outer outlet body (33) and, and should be arranged between outer outlet body (33) and the interior cover body (34) by middle ring body (31).
11. set sound absorption unit for interference phase difference according to claim 10 is characterized in that: the interior cover body (34) of wherein said intermediary sound collection cover (30) has one and is the taper base assemblies (37) that up extends to cover body (34) the inside in this.
12. set sound absorption unit for interference phase difference according to claim 10 is characterized in that: the outer outlet body (33) of wherein said intermediary sound collection cover (30) is to be oblique cone shape.
13. set sound absorption unit for interference phase difference according to claim 10 is characterized in that: the interior cover body (34) of wherein said intermediary sound collection cover (30) is cylindrical.
14. set sound absorption unit for interference phase difference according to claim 1; It is characterized in that: wherein said intermediary sound collection cover (30) has a ring groove (36) and is formed in the ring body in (31), so as with one of sound pipe (40) bottom inlay card body (41) buckle and the sound pipe (40) that removably will go out is fixed to this intermediary's sound collection cover (30) each other that goes out.
15. set sound absorption unit for interference phase difference according to claim 1; It is characterized in that: wherein said intermediary sound collection cover (30) has a catching groove (38), and this sound pipe (40) that goes out has a circumferential inlay card body (42), and the sound pipe (40) that removably will go out is fixed to this intermediary's sound collection cover (30) for a catching groove (38) of this intermediary's sound collection cover (30) of buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100569262A CN101267684B (en) | 2007-03-15 | 2007-03-15 | Set sound absorption unit for interference phase difference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100569262A CN101267684B (en) | 2007-03-15 | 2007-03-15 | Set sound absorption unit for interference phase difference |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101267684A CN101267684A (en) | 2008-09-17 |
| CN101267684B true CN101267684B (en) | 2012-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100569262A Active CN101267684B (en) | 2007-03-15 | 2007-03-15 | Set sound absorption unit for interference phase difference |
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| Country | Link |
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| CN (1) | CN101267684B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102677790B (en) * | 2011-11-22 | 2014-04-02 | 上海华博信息服务有限公司 | Sound absorption unit capable of being installed quickly |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106469550A (en) * | 2015-08-21 | 2017-03-01 | 弘人工业股份有限公司 | Collection shock absorber assembly |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1691834A (en) * | 2004-04-20 | 2005-11-02 | 潘建华 | Plate sound box |
| JP2006005457A (en) * | 2004-06-15 | 2006-01-05 | Nikon Corp | Electronic apparatus |
-
2007
- 2007-03-15 CN CN2007100569262A patent/CN101267684B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1691834A (en) * | 2004-04-20 | 2005-11-02 | 潘建华 | Plate sound box |
| JP2006005457A (en) * | 2004-06-15 | 2006-01-05 | Nikon Corp | Electronic apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102677790B (en) * | 2011-11-22 | 2014-04-02 | 上海华博信息服务有限公司 | Sound absorption unit capable of being installed quickly |
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| Publication number | Publication date |
|---|---|
| CN101267684A (en) | 2008-09-17 |
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Owner name: WISWONG INDUSTRY CO., LTD. Free format text: FORMER OWNER: WANG HONGREN Effective date: 20110621 |
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