CN204185964U - A kind of sound-absorbing wall - Google Patents
A kind of sound-absorbing wall Download PDFInfo
- Publication number
- CN204185964U CN204185964U CN201420610745.5U CN201420610745U CN204185964U CN 204185964 U CN204185964 U CN 204185964U CN 201420610745 U CN201420610745 U CN 201420610745U CN 204185964 U CN204185964 U CN 204185964U
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- Prior art keywords
- sound
- metal plate
- absorbing
- absorbing metal
- plate material
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- 239000002184 metal Substances 0.000 claims abstract description 95
- 229910052751 metal Inorganic materials 0.000 claims abstract description 95
- 229920000742 Cotton Polymers 0.000 claims abstract description 21
- 239000011521 glass Substances 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 52
- 238000010521 absorption reaction Methods 0.000 claims description 26
- 239000003365 glass fiber Substances 0.000 claims description 22
- 230000002265 prevention Effects 0.000 claims description 22
- 239000004744 fabric Substances 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 9
- 238000005246 galvanizing Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 14
- 238000000034 method Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 230000009967 tasteless effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Abstract
The utility model discloses a kind of sound-absorbing wall, comprise interior wall, alkali-free glass acoustical cotton, sound-absorbing metal plate and keel, built-in fitting is provided with within the walls in described, keel are welded on built-in fitting, sound-absorbing metal plate is fixed on keel by bolt and nut, and alkali-free glass acoustical cotton is filled between interior wall and sound-absorbing metal plate.The sound-absorbing metal plate perforated percentage of the utility model sound-absorbing wall can reach more than 40%, hinge structure, and sound-absorbing efficiency has had and significantly promotes, and structural stability is very good, without any distortion, and long service life; Metal suction wall flameproof effect is good, nonflammable, sound-absorbing efficiency is high; Sound-absorbing metal plate installs fixed form simply, and the monolithic achieving sound-absorbing metal plate is fixed, the dismounting of any one piece of sound-absorbing metal plate, all can not affect the fixing of other sound-absorbing metal plate.
Description
Technical field
The utility model relates to a kind of sound-absorbing wall.
Background technology
The occasions such as current Conference Hall, broadcasting room and cinema need good acoustics, but stereo set playing sound often meets wall reflection, and multiple reflections and cause echo, stress inside, affect audibility, therefore need installation sound-absorbing wall; The impact of the Noise upon Environment that manufacturer produces for control indoor equipment (transformer, air compressor machine, coal pulverizer etc.), generally also need at sound-absorbing silencing apparatus such as indoor location sound-absorbing walls.
But existing sound-absorbing wall abatvoix used exists the problems such as sound-absorbing effect difference, inflammable, poor stability, mounting process are loaded down with trivial details, and the dismounting of one block of abatvoix can make other abatvoix chain-react cause large area to come off, lack safety and maintainability.
Perforated percentage of the prior art is no more than 20%, and easily there is the problems such as distortion, the perforated percentage of the application then can reach 40%, sound-absorbing efficiency is had significantly promote, and pass through the setting of the back side first flanging of sound-absorbing metal plate material, strengthen the intensity of abatvoix, prevent the distortion of abatvoix, ensure that the sound-absorbing efficiency in use procedure simultaneously; Layer of non-woven fabric is posted inside abatvoix of the prior art, not only inflammable, easily come off, and deeply also can affect attractive in appearance due to non-woven fabrics color, the application then selects fire prevention alkali-free glass fiber layer, for A1 level, and be provided with gap between fire prevention alkali-free glass fiber layer and sound-absorbing metal plate material, so not only fire-resistant, and can further improve sound-absorbing effect and not affect the appearance at all.During use, sound-absorbing metal plate material is fixed on keel by bolt and nut together with fire prevention alkali-free glass fiber layer.
The selection of above-mentioned keel structure and fixed form further increase the stability of sound-absorbing wall; Selecting of alkali-free glass acoustical cotton further increases sound-absorbing effect.
Original abatvoix fixed form is that the extruding force that triangle draw-in groove relies on adjacent two boards to snap in same draw-in groove is fixed, and other abatvoix chain-react will be made to cause large area to come off if take out one piece, lacks safety, and maintainability.The sound-absorbing metal plate of the application is that individual is independently fixing, adjacent two plates do not have inevitable contact on installation is fixing, can any any one block of plate of dismounting as required, the dismounting of any one block of plate all can not affect the stability of other plank, there is the characteristic of flexibility and reliability, and in maintenance from now on, there is higher economy, therefore, although technical scheme to seem simple, but solve the very important technical problem always existed in prior art, and technique effect clearly, there is immeasurable economic worth.
Preferably, above-mentioned sound-absorbing wall, also comprises metal fiber cloth, and metal fiber cloth to be laid on interior wall and between interior wall and alkali-free glass acoustical cotton.
The setting of above-mentioned metal fiber cloth further increases sound-absorbing effect, and extends the application life of sound-absorbing wall.
Preferably, sound-absorbing metal plate material is quadrangle, the four edges of sound-absorbing metal plate material is equipped with first flanging vertical with sound-absorbing metal plate material, wherein two relative limits of sound-absorbing metal plate material are provided with second flanging vertical with the first flanging, and the wrap direction of the second flanging is inside.
The wrap direction of above-mentioned inside finger two second flanging is relative, and all point to the center of sound-absorbing metal plate material, the first flanging and sound-absorbing metal plate material form box body structure, in above-mentioned inside also sensing box body.Above-mentioned second flanging the distortion preventing sound-absorbing metal plate material is further set, strengthen the intensity of sound-absorbing metal plate material.
Preferably, the wide of the second flanging is 20-30mm.The intensity of sound-absorbing metal plate can be ensured like this, can sound-absorbing effect be ensured again.
Preferably, sound-absorbing metal plate material is rectangle, and sound-absorbing metal plate material is thick is 1-3mm.To meet daily need.
Sound-absorption hole has more than two rows, and adjacent two row's sound-absorption hole are staggered.Sound-absorbing effect can be improved further like this.
The thickness of fire prevention alkali-free glass fiber layer is 0.5-1.5mm.Can refractoriness be ensured like this, can sound-absorbing effect be ensured simultaneously.
The thickness of alkali-free glass acoustical cotton is 5-7cm.Make the sound-absorbing effect of sound-absorbing wall and intensity be guaranteed so simultaneously.
The weld surface of keel and built-in fitting is provided with antirust coat.
The NM technology of the utility model is prior art.
The sound-absorbing metal plate perforated percentage of the utility model sound-absorbing wall can reach more than 40%, hinge structure, and sound-absorbing efficiency has had and significantly promotes, and structural stability is very good, without any distortion, and long service life; Metal suction wall flameproof effect is good, nonflammable, sound-absorbing efficiency is high; Sound-absorbing metal plate installs fixed form simply, and the monolithic achieving sound-absorbing metal plate is fixed, the dismounting of any one piece of sound-absorbing metal plate, all can not affect the fixing of other sound-absorbing metal plate; The impact of the high temperature resistant gentle stream (wind-force) of energy, humidity; Sound absorption qualities is excellent, fire prevention, moistureproof, indeformable, not modification, mildew and rot, nonpoisonous and tasteless, and being widely used in all kinds ofly has the industrial premises of noise reduction requirement and indoor furred ceiling and metope, and have extremely strong decoration function, be desirable sound-deadening and noise-reducing facility simultaneously.
Utility model content
In order to overcome, there is sound-absorbing effect difference in the abatvoix used of sound-absorbing wall in prior art, inflammable, poor stability, mounting process are loaded down with trivial details, lack the deficiency of safety etc., and the utility model provides a kind of sound-absorbing wall.
For solving the problem, the utility model adopts following technical scheme:
A kind of sound-absorbing wall, comprise interior wall, alkali-free glass acoustical cotton, sound-absorbing metal plate and keel, be provided with built-in fitting within the walls in described, keel are welded on built-in fitting, sound-absorbing metal plate is fixed on keel by bolt and nut, and alkali-free glass acoustical cotton is filled between interior wall and sound-absorbing metal plate;
Described sound-absorbing metal plate, comprise sound-absorbing metal plate material and fire prevention alkali-free glass fiber layer, sound-absorbing metal plate material be evenly distributed with sound-absorption hole, the area sum of all sound-absorption hole account for sound-absorbing metal plate face long-pending more than 40%, sound-absorption hole is circular hole, and the internal diameter of sound-absorption hole is 4-8mm; The back side of sound-absorbing metal plate material is provided with first flanging vertical with sound-absorbing metal plate material along its periphery, and the height of the first flanging is 15-25mm; Fire prevention alkali-free glass fiber layer is located at the back side of sound-absorbing metal plate material, and the spacing of fire prevention alkali-free glass fiber layer and sound-absorbing metal plate material is 15-25mm;
Described keel are made up of galvanizing square tube, and the length of side of galvanizing square tube cross section is 35-45mm, and wall thickness is 1.5-2.5mm.
The area of sound-absorbing metal plate material comprises the area of sound-absorption hole, is the preperforative area of sound-absorbing metal plate material.
Accompanying drawing explanation
Fig. 1 is the utility model sound-absorbing metal plate material front view.
Fig. 2 is the utility model sound-absorbing metal plate material rear isometric view.
Fig. 3 is the utility model sound-absorbing metal plate structural representation.
Fig. 4 is the utility model sound-absorbing wall structural representation.
In figure, 1 is sound-absorbing metal plate material, and 2 is fire prevention alkali-free glass fiber layer, and 3 is sound-absorption hole, and 4 is the first flanging, and 5 is the second flanging, and 6 is interior wall, and 7 is metal fiber cloth, and 8 is alkali-free glass acoustical cotton, and 9 is keel.
Detailed description of the invention
In order to understand the utility model better, illustrate content of the present utility model further below in conjunction with embodiment, but content of the present utility model is not only confined to the following examples.
Embodiment 1
Sound-absorbing wall as shown in Figure 1, comprise interior wall, alkali-free glass acoustical cotton, sound-absorbing metal plate and keel, built-in fitting is provided with within the walls in described, keel are welded on built-in fitting, the weld surface of keel and built-in fitting is provided with anti-layer and becomes rusty, sound-absorbing metal plate is fixed on keel by bolt and nut, and alkali-free glass acoustical cotton is filled between interior wall and sound-absorbing metal plate;
Described sound-absorbing metal plate, comprises sound-absorbing metal plate material and fire prevention alkali-free glass fiber layer, sound-absorbing metal plate material is evenly distributed with sound-absorption hole, the area sum of all sound-absorption hole account for sound-absorbing metal plate face long-pending 45%, sound-absorption hole is circular hole, and the internal diameter of sound-absorption hole is 6mm; The back side of sound-absorbing metal plate material is provided with first flanging vertical with sound-absorbing metal plate material along its periphery, and the dark of the first flanging is 20mm, and sound-absorbing metal plate material is Pierced Aluminum Plank; Fire prevention alkali-free glass fiber layer is located at the back side of sound-absorbing metal plate material, and the spacing of fire prevention alkali-free glass fiber layer and sound-absorbing metal plate material is 20mm.
Described keel are made up of galvanizing square tube, and the length of side of galvanizing square tube cross section is 40mm, and wall thickness is 2mm.
Sound-absorbing metal plate material is rectangle, the four edges of sound-absorbing metal plate material is equipped with first flanging vertical with sound-absorbing metal plate material, wherein two relative limits of sound-absorbing metal plate material are provided with second flanging vertical with the first flanging, and the wrap direction of the second flanging is inside; The dark of second flanging is 25mm; Sound-absorbing metal plate material is thick is 2mm; The thickness of fire prevention alkali-free glass fiber layer is 1mm; The thickness of alkali-free glass acoustical cotton is 6cm.
Embodiment 2
Substantially the same manner as Example 1, difference is: sound-absorbing wall, also comprises metal fiber cloth, and metal fiber cloth to be laid on interior wall and between interior wall and alkali-free glass acoustical cotton; The internal diameter of sound-absorption hole is 4mm; The height of the first flanging is 15mm; The spacing of fire prevention alkali-free glass fiber layer and sound-absorbing metal plate material is 15mm; The length of side of galvanizing square tube cross section is 35mm, and wall thickness is 1.5mm.The dark of second flanging is 20mm; Sound-absorbing metal plate material is thick is 1mm; The thickness of fire prevention alkali-free glass fiber layer is 0.5mm; The thickness of alkali-free glass acoustical cotton is 5cm.Above-mentioned metal fiber cloth is the thin glass fiber fabric of aluminium.
Sound-absorbing wall principle is passive sound-deadening and noise-reducing, when sound wave is transmitted to sound-absorbing wall from sound generation source to external diffusion, first conduction enters perforated plate, sound wave will rub through first cavity and acoustical cotton, resonate and convert heat energy to, the meeting of in time conversion enters second cavity and is applied to secondary sorrow on acoustical cotton that the thin glass fiber fabric of aluminium rebounds and subtracts in addition, until complete sound deadening (when sound wave is back and forth through two-layer cavity, air in cavity can move back and forth, at this moment gas has certain quality, it resists the motion change caused due to sound wave effect, this motion simultaneously causes friction and the resonance of sound wave and acoustical cotton, acoustic energy is become thermal energy consumption fall, what energy was fabulous accomplishes absorbing sound and lowering noise effect).
Embodiment 3
Substantially the same manner as Example 1, difference is: sound-absorption hole has more than two rows, and adjacent two row's sound-absorption hole are staggered.The internal diameter of sound-absorption hole is 8mm; The height of the first flanging is 25mm; The spacing of fire prevention alkali-free glass fiber layer and sound-absorbing metal plate material is 25mm; The length of side of galvanizing square tube cross section is 45mm, and wall thickness is 2.5mm.The dark of second flanging is 30mm; Sound-absorbing metal plate material is thick is 3mm; The thickness of fire prevention alkali-free glass fiber layer is 1.5mm; The thickness of alkali-free glass acoustical cotton is 7cm.
Embodiment 4
Substantially the same manner as Example 1, difference is: the area sum of all sound-absorption hole account for sound-absorbing metal plate face long-pending 55%.
The impact of the high temperature resistant gentle stream (wind-force) of the various embodiments described above sound-absorbing wall energy, humidity; Sound absorption qualities is excellent, fire prevention, moistureproof, indeformable, not modification, mildew and rot, nonpoisonous and tasteless, and being widely used in all kinds ofly has the industrial premises of noise reduction requirement and indoor furred ceiling and metope, and have extremely strong decoration function, be desirable sound-deadening and noise-reducing facility simultaneously.
Application Example:
Operationally, the equal 60db of the noise near it, maximumly reaches 86db to transformer, the noise of power transformer belongs to Middle and low frequency noise, contribute maximum frequency to be 250Hz and 500Hz to noise figure, air-cooled mechanical noise belongs to medium-high frequency noise, contributes maximum frequency 1kHz and 2kHz to noise figure.
The sound absorption coefficient of each embodiment sound-absorbing wall of table 1
Claims (9)
1. a sound-absorbing wall, it is characterized in that: comprise interior wall, alkali-free glass acoustical cotton, sound-absorbing metal plate and keel, built-in fitting is provided with within the walls in described, keel are welded on built-in fitting, sound-absorbing metal plate is fixed on keel by bolt and nut, and alkali-free glass acoustical cotton is filled between interior wall and sound-absorbing metal plate;
Described sound-absorbing metal plate, comprise sound-absorbing metal plate material and fire prevention alkali-free glass fiber layer, sound-absorbing metal plate material be evenly distributed with sound-absorption hole, the area sum of all sound-absorption hole account for sound-absorbing metal plate face long-pending more than 40%, sound-absorption hole is circular hole, and the internal diameter of sound-absorption hole is 4-8mm; The back side of sound-absorbing metal plate material is provided with first flanging vertical with sound-absorbing metal plate material along its periphery, and the degree of depth of the first flanging is 15-25mm; Fire prevention alkali-free glass fiber layer is located at the back side of sound-absorbing metal plate material, and the spacing of fire prevention alkali-free glass fiber layer and sound-absorbing metal plate material is 15-25mm;
Described keel are made up of galvanizing square tube, and the length of side of galvanizing square tube cross section is 35-45mm, and wall thickness is 1.5-2.5mm.
2. sound-absorbing wall as claimed in claim 1, is characterized in that: also comprise metal fiber cloth, and metal fiber cloth to be laid on interior wall and between interior wall and alkali-free glass acoustical cotton.
3. sound-absorbing wall as claimed in claim 1 or 2, it is characterized in that: sound-absorbing metal plate material is quadrangle, the four edges of sound-absorbing metal plate material is equipped with first flanging vertical with sound-absorbing metal plate material, wherein two relative limits of sound-absorbing metal plate material are provided with second flanging vertical with the first flanging, and the wrap direction of the second flanging is inside.
4. sound-absorbing wall as claimed in claim 3, is characterized in that: the wide of the second flanging is 20-30mm.
5. sound-absorbing wall as claimed in claim 3, it is characterized in that: sound-absorbing metal plate material is rectangle, sound-absorbing metal plate material is thick is 1-3mm.
6. sound-absorbing wall as claimed in claim 1 or 2, is characterized in that: sound-absorption hole has more than two rows, and adjacent two row's sound-absorption hole are staggered.
7. sound-absorbing wall as claimed in claim 1 or 2, is characterized in that: the thickness of fire prevention alkali-free glass fiber layer is 0.5-1.5mm.
8. sound-absorbing wall as claimed in claim 1 or 2, is characterized in that: the thickness of alkali-free glass acoustical cotton is 5-7cm.
9. sound-absorbing wall as claimed in claim 1 or 2, is characterized in that: the weld surface of keel and built-in fitting is provided with antirust coat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420610745.5U CN204185964U (en) | 2014-10-21 | 2014-10-21 | A kind of sound-absorbing wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420610745.5U CN204185964U (en) | 2014-10-21 | 2014-10-21 | A kind of sound-absorbing wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204185964U true CN204185964U (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420610745.5U Withdrawn - After Issue CN204185964U (en) | 2014-10-21 | 2014-10-21 | A kind of sound-absorbing wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204185964U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003012A (en) * | 2015-08-05 | 2015-10-28 | 佛山岳源建材有限公司 | Water cooling-heating dual-purpose sound-absorbing curtain wall |
| CN105587047A (en) * | 2014-10-21 | 2016-05-18 | 国家电网公司 | Sound absorption wall |
| CN108331196A (en) * | 2018-01-16 | 2018-07-27 | 浙江臻鼎建筑装饰设计有限公司 | Theater decorative wall |
-
2014
- 2014-10-21 CN CN201420610745.5U patent/CN204185964U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105587047A (en) * | 2014-10-21 | 2016-05-18 | 国家电网公司 | Sound absorption wall |
| CN105003012A (en) * | 2015-08-05 | 2015-10-28 | 佛山岳源建材有限公司 | Water cooling-heating dual-purpose sound-absorbing curtain wall |
| CN105003012B (en) * | 2015-08-05 | 2019-06-25 | 佛山岳源建材有限公司 | Water both cooling and heating sound-absorbing curtain wall |
| CN108331196A (en) * | 2018-01-16 | 2018-07-27 | 浙江臻鼎建筑装饰设计有限公司 | Theater decorative wall |
| CN108331196B (en) * | 2018-01-16 | 2019-11-05 | 臻鼎建设集团有限公司 | Theater decorative wall |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150304 Effective date of abandoning: 20180112 |
|
| AV01 | Patent right actively abandoned |