CN106760000A - A kind of damping double-layer sound-absorption composite board for transformer station - Google Patents
A kind of damping double-layer sound-absorption composite board for transformer station Download PDFInfo
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- CN106760000A CN106760000A CN201611213922.6A CN201611213922A CN106760000A CN 106760000 A CN106760000 A CN 106760000A CN 201611213922 A CN201611213922 A CN 201611213922A CN 106760000 A CN106760000 A CN 106760000A
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- acoustic board
- micropore
- board
- keel
- micropore acoustic
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 63
- 239000002131 composite material Substances 0.000 title claims abstract description 43
- 238000013016 damping Methods 0.000 title claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 239000011490 mineral wool Substances 0.000 claims abstract description 19
- 230000002265 prevention Effects 0.000 claims abstract description 18
- 229910000838 Al alloy Inorganic materials 0.000 claims description 12
- 239000000956 alloy Substances 0.000 claims description 8
- 230000000295 complement effect Effects 0.000 claims description 8
- 239000003973 paint Substances 0.000 claims description 8
- 230000008030 elimination Effects 0.000 abstract description 2
- 238000003379 elimination reaction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/88—Insulating elements for both heat and sound
- E04B1/90—Insulating elements for both heat and sound slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/941—Building elements specially adapted therefor
- E04B1/942—Building elements specially adapted therefor slab-shaped
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
Abstract
The present invention relates to a kind of damping double-layer sound-absorption composite board for transformer station, it is characterized in that, including keel, the keel are rectangular box, if being provided with dried layer micropore acoustic board inside the keel, the micropore acoustic board inner side is provided with fire prevention rock wool, the keel outer lateral side is provided with perforated plate, the keel are formed around concavo-convex bar, some steel nail holes are provided with the concavo-convex bar, connection steel nail is provided with the steel nail hole, the connection steel nail can be connected and anchor raised line, the micropore acoustic board is provided with equally distributed micropore, the perforated plate and micropore acoustic board, cavity is formed between micropore acoustic board and micropore acoustic board.The advantage of the invention is that：Noise elimination deadening can be played, fire-proof and damp-proof demand can be met again.
Description
Technical field
The invention belongs to building field, more particularly to a kind of damping double-layer sound-absorption composite board for transformer station.
Background technology
In noise control engineering, microperforated panel resonant structure is a kind of widely used sound absorption technique.It is well known that micro-
The sound absorbing mechanism of perforation board resonance sound absorption structure is, air layer composition corresponding thereto of each perforation on microperforated panel
System similar to Helmholtz resonator, microperforated panel resonance sound-absorbing structure can be regarded as many Helmholtz resonators and
Connection.Air vibration in cavity is just excited after sound wave is into aperture, if frequency of sound wave is identical with the structure resonant frequency,
Chamber air just resonates, and air column is of reciprocating vibration at perforated plate pore-throat, and speed, amplitude reach maximum, friction and damping
It is maximum；Now, acoustic energy is made to be changed into heat energy at most, i.e., sound energy consumption is most, so as to play efficient sound absorption.
City indoor substation in network system, especially in the main transformer room of transformer station, due to equipment work(
Rate is big, and equipment is concentrated, and can produce much noise, once being made to the soundproof measures of transformer station not in place, noise will influence week
Enclose the normal life of crowd, it is therefore desirable to a kind of wall of board Lai Zuo transformer stations, noise elimination deadening can be played, and
Fire-proof and damp-proof demand can be met.
The content of the invention
In view of more than, the present invention is just being directed to above technical problem, there is provided a kind of damping for transformer station is double-deck to inhale
Sound composite plate, can solve the above problems.
A kind of damping double-layer sound-absorption composite board for transformer station, including keel, the keel are rectangular box, the dragon
If being provided with dried layer micropore acoustic board inside bone, the micropore acoustic board inner side is provided with fire prevention rock wool, in the keel outer lateral side
Perforated plate is provided with, the keel are formed around concavo-convex bar, and some steel nail holes are provided with the concavo-convex bar, are provided with the steel nail hole
Connection steel nail, the connection steel nail can be connected and anchor raised line, and the micropore acoustic board is provided with equally distributed micropore, institute
Perforated plate and micropore acoustic board are stated, cavity is formed between micropore acoustic board and micropore acoustic board.
A kind of damping double-layer sound-absorption composite board for transformer station that the present invention is provided can be further arranged to the perforation
Plate is provided with sound absorption aperture, and the sound absorption aperture is in hollow hexa-prism.
A kind of damping double-layer sound-absorption composite board for transformer station that the present invention is provided can be further arranged to the micropore
Spacing is 30-120mm between acoustic board.
A kind of damping double-layer sound-absorption composite board for transformer station that the present invention is provided can be further arranged to the micropore
Acoustic board is made of porous Al alloy, and in 10mm to 25mm, porosity is controlled in 75%- the thickness control of micropore acoustic board
95%。
A kind of damping double-layer sound-absorption composite board for transformer station that the present invention is provided can be further arranged to be close to perforation
The thickness of the micropore acoustic board of plate is set to 10,13,15mm, and porosity is set to 75%, 78%, 85%, near fire prevention rock wool
The thickness of micropore acoustic board is set to 15,20,25mm, and porosity is set to 75%, 80%, 93%.
A kind of damping double-layer sound-absorption composite board for transformer station that the present invention is provided can be further arranged to be close to perforation
The thickness of the micropore acoustic board of plate is set to 10mm, and porosity is set to 78%, near the thickness of the micropore acoustic board of fire prevention rock wool
Degree is set to 20mm, and porosity is set to 93%.
The present invention provide a kind of damping double-layer sound-absorption composite board for transformer station can be further arranged to the keel,
Micropore acoustic board and perforation plate surface are coated with antirust paint.
A kind of damping double-layer sound-absorption composite board for transformer station that the present invention is provided can be further arranged to described concavo-convex
Bar section is L-type, complementary between the concavo-convex bar, occlusion fastened to each other between the concavo-convex bar, and the concavo-convex strip adoption aluminium
Alloy material.
It is of the invention preferential and have the beneficial effect that：First, the sound-absorbing composite board that the present invention is provided is inhaled by perforated plate and micropore
Sound plate is compounded to form, and the cavity for being formed between the two can be as acoustic trap, in the course of work, and these acoustic traps produce conspicuous
Mu Huozi resonance effects, its internal air is moved, the gas for now moving repeatedly under the promotion of acoustic pressure as piston
Body has certain mass, and it is resisted the movement velocity caused due to sound wave effect and changed, while when sound wave enters micropore, due to
The friction and damping of micro-pore wall, make quite a few acoustic energy be converted into heat energy and consume, so as to play a part of sound-absorbing and noise-decreasing,
Multi-layer cavity sets up composite sound absorbing measure, and the resonance sound-absorbing principle using micropore acoustic board and cavity plays a part of power consumption, energy
Enough make the acoustically effective of the structure especially pronounced, better than traditional sound absorption mechanism.Meanwhile, fire prevention rock wool is inherently loose material
Matter, itself carries many apertures, plays a part of sound absorption and fire-proof and thermal-insulation.
Brief description of the drawings
The preferred embodiment of the present invention is just preferably described below in conjunction with the accompanying drawings, wherein,
Fig. 1 is a kind of schematic diagram of damping double-layer sound-absorption composite board for transformer station of the invention；
Fig. 2 is a kind of schematic diagram of damping double-layer sound-absorption composite board for transformer station of the invention；
Fig. 3 is a kind of schematic diagram of the embodiment 1 of damping double-layer sound-absorption composite board for transformer station of the invention；
Fig. 4 is a kind of schematic diagram of the embodiment 2 of damping double-layer sound-absorption composite board for transformer station of the invention；
Fig. 5 is a kind of schematic diagram of the embodiment 3 of damping double-layer sound-absorption composite board for transformer station of the invention；
Fig. 6 is a kind of concavo-convex bar schematic cross-section of damping double-layer sound-absorption composite board for transformer station of the invention.
Specific embodiment
Reference picture 1- Fig. 6 does furtherly to a kind of damping double-layer sound-absorption composite board embodiment for transformer station of the invention
It is bright.
The pore-free acoustic board of embodiment 1
A kind of damping double-layer sound-absorption composite board for transformer station, including keel 1, the keel 1 are rectangular box, the keel
1 inner side is provided with fire prevention rock wool 3, and the outer lateral side of the keel 1 is provided with perforated plate 4, the keel 1, micropore acoustic board 2 and perforation
The surface of plate 4 is coated with antirust paint, and the keel 1 are formed around concavo-convex bar 5, and the concavo-convex bar 5 uses aluminum alloy materials, described recessed
The section of raised line 5 is L-type, complementary between the concavo-convex bar 5, occlusion fastened to each other between the concavo-convex bar 5, on the concavo-convex bar 5
Some steel nail holes 6 are provided with, connection steel nail 7 are provided with the steel nail hole 6, the connection steel nail 7 can be connected and anchor raised line 5,
Cavity 9 is formed between the perforated plate 4 and fire prevention rock wool 3, the perforated plate 4 is provided with sound absorption aperture 10.
The individual layer micropore acoustic board of embodiment 2
A kind of damping double-layer sound-absorption composite board for transformer station, including keel 1, the keel 1 are rectangular box, the keel
If being provided with dried layer micropore acoustic board 2 inside 1, the inner side of the micropore acoustic board 2 is provided with fire prevention rock wool 3, the outer lateral side of the keel 1
Perforated plate 4 is provided with, the keel 1, micropore acoustic board 2 and the surface of perforated plate 4 are coated with antirust paint, and the surrounding of the keel 1 sets
There is concavo-convex bar 5, the concavo-convex bar 5 uses aluminum alloy materials, and the section of concavo-convex bar 5 is L-type, complementary between the concavo-convex bar 5,
Occlusion fastened to each other between the concavo-convex bar 5, is provided with some steel nail holes 6, the company of being provided with the steel nail hole 6 on the concavo-convex bar 5
Steel nail 7 is connect, the connection steel nail 7 can be connected and anchor raised line 5, and the micropore acoustic board 2 is provided with equally distributed micropore
8, the perforated plate 4 and micropore acoustic board 2 form cavity 9, the perforated plate 4 between micropore acoustic board 2 and micropore acoustic board 2
Sound absorption aperture 10 is provided with, the sound absorption aperture 10 is in distance is between perforated plate 4 and micropore acoustic board 2 described in hollow hexa-prism
30mm, the micropore acoustic board is made of porous Al alloy, and in 10mm, porosity control exists the thickness control of micropore acoustic board
75%。
The double-deck micropore acoustic board of embodiment 3
A kind of damping double-layer sound-absorption composite board for transformer station, including keel 1, the keel 1 are rectangular box, the keel
If being provided with dried layer micropore acoustic board 2 inside 1, the inner side of the micropore acoustic board 2 is provided with fire prevention rock wool 3, the outer lateral side of the keel 1
Perforated plate 4 is provided with, the keel 1, micropore acoustic board 2 and the surface of perforated plate 4 are coated with antirust paint, and the surrounding of the keel 1 sets
There is concavo-convex bar 5, the concavo-convex bar 5 uses aluminum alloy materials, and the section of concavo-convex bar 5 is L-type, complementary between the concavo-convex bar 5,
Occlusion fastened to each other between the concavo-convex bar 5, is provided with some steel nail holes 6, the company of being provided with the steel nail hole 6 on the concavo-convex bar 5
Steel nail 7 is connect, the connection steel nail 7 can be connected and anchor raised line 5, and the micropore acoustic board 2 is provided with equally distributed micropore
8, the perforated plate 4 and micropore acoustic board 2 form cavity 9, the perforated plate 4 between micropore acoustic board 2 and micropore acoustic board 2
Sound absorption aperture 10 is provided with, the sound absorption aperture 10 is in distance is between perforated plate 4 and micropore acoustic board 2 described in hollow hexa-prism
80mm, spacing is 120cm between the micropore acoustic board 2.The micropore acoustic board is made of porous Al alloy, two pieces of micropores
The thickness control of acoustic board is controlled 75% in 10mm, porosity.
The double-deck micropore acoustic board of embodiment 4
A kind of damping double-layer sound-absorption composite board for transformer station, including keel 1, the keel 1 are rectangular box, the keel
If being provided with dried layer micropore acoustic board 2 inside 1, the inner side of the micropore acoustic board 2 is provided with fire prevention rock wool 3, the outer lateral side of the keel 1
Perforated plate 4 is provided with, the keel 1, micropore acoustic board 2 and the surface of perforated plate 4 are coated with antirust paint, and the surrounding of the keel 1 sets
There is concavo-convex bar 5, the concavo-convex bar 5 uses aluminum alloy materials, and the section of concavo-convex bar 5 is L-type, complementary between the concavo-convex bar 5,
Occlusion fastened to each other between the concavo-convex bar 5, is provided with some steel nail holes 6, the company of being provided with the steel nail hole 6 on the concavo-convex bar 5
Steel nail 7 is connect, the connection steel nail 7 can be connected and anchor raised line 5, and the micropore acoustic board 2 is provided with equally distributed micropore
8, the perforated plate 4 and micropore acoustic board 2 form cavity 9, the perforated plate 4 between micropore acoustic board 2 and micropore acoustic board 2
Sound absorption aperture 10 is provided with, the sound absorption aperture 10 is in distance is between perforated plate 4 and micropore acoustic board 2 described in hollow hexa-prism
80mm, spacing is 120cm between the micropore acoustic board 2.Thickness near the micropore acoustic board of perforated plate is set to 10mm, and
Porosity is set to 78%, and the thickness near the micropore acoustic board of fire prevention rock wool is set to 20mm, and porosity is set to 93%.
The double-deck micropore acoustic board of embodiment 5
A kind of damping double-layer sound-absorption composite board for transformer station, including keel 1, the keel 1 are rectangular box, the keel
If being provided with dried layer micropore acoustic board 2 inside 1, the inner side of the micropore acoustic board 2 is provided with fire prevention rock wool 3, the outer lateral side of the keel 1
Perforated plate 4 is provided with, the keel 1, micropore acoustic board 2 and the surface of perforated plate 4 are coated with antirust paint, and the surrounding of the keel 1 sets
There is concavo-convex bar 5, the concavo-convex bar 5 uses aluminum alloy materials, and the section of concavo-convex bar 5 is L-type, complementary between the concavo-convex bar 5,
Occlusion fastened to each other between the concavo-convex bar 5, is provided with some steel nail holes 6, the company of being provided with the steel nail hole 6 on the concavo-convex bar 5
Steel nail 7 is connect, the connection steel nail 7 can be connected and anchor raised line 5, and the micropore acoustic board 2 is provided with equally distributed micropore
8, the perforated plate 4 and micropore acoustic board 2 form cavity 9, the perforated plate 4 between micropore acoustic board 2 and micropore acoustic board 2
Sound absorption aperture 10 is provided with, the sound absorption aperture 10 is in distance is between perforated plate 4 and micropore acoustic board 2 described in hollow hexa-prism
80mm, spacing is 120cm between the micropore acoustic board 2.Thickness near the micropore acoustic board of perforated plate is set to 13mm, and
Porosity is set to 75%, and the thickness near the micropore acoustic board of fire prevention rock wool is set to 15mm, and porosity is set to 80%.
The double-deck micropore acoustic board of embodiment 6
A kind of damping double-layer sound-absorption composite board for transformer station, including keel 1, the keel 1 are rectangular box, the keel
If being provided with dried layer micropore acoustic board 2 inside 1, the inner side of the micropore acoustic board 2 is provided with fire prevention rock wool 3, the outer lateral side of the keel 1
Perforated plate 4 is provided with, the keel 1, micropore acoustic board 2 and the surface of perforated plate 4 are coated with antirust paint, and the surrounding of the keel 1 sets
There is concavo-convex bar 5, the concavo-convex bar 5 uses aluminum alloy materials, and the section of concavo-convex bar 5 is L-type, complementary between the concavo-convex bar 5,
Occlusion fastened to each other between the concavo-convex bar 5, is provided with some steel nail holes 6, the company of being provided with the steel nail hole 6 on the concavo-convex bar 5
Steel nail 7 is connect, the connection steel nail 7 can be connected and anchor raised line 5, and the micropore acoustic board 2 is provided with equally distributed micropore
8, the perforated plate 4 and micropore acoustic board 2 form cavity 9, the perforated plate 4 between micropore acoustic board 2 and micropore acoustic board 2
Sound absorption aperture 10 is provided with, the sound absorption aperture 10 is in distance is between perforated plate 4 and micropore acoustic board 2 described in hollow hexa-prism
80mm, spacing is 120cm between the micropore acoustic board 2.Thickness near the micropore acoustic board of perforated plate is set to 15mm, and
Porosity is set to 75%, and the thickness near the micropore acoustic board of fire prevention rock wool is set to 20mm, and porosity is set to 93%.
Acoustic absorptivity experiment is carried out respectively for embodiment 1 to 6, and wherein acoustic absorptivity is suction in embodiment 1 to embodiment 6
The acoustic energy that sound composite plate absorbs and the ratio between the total acoustic energy for inciding sound-absorption composite board absorption, its experimental data is as follows：
Because the different micropore acoustic board of different porosities is different for the noise absorption effect of different frequency, and transformer station makes an uproar
Voice frequency is concentrated mainly on 800-2000Hz, and preferably, the present invention is by using two pieces for the micropore acoustic board acoustically effective of embodiment 4
Micropore acoustic board is mutually combined, and controls the two porosity, spacing and thickness, and then finds out optimal under 800-2000Hz
Assembled scheme, and then ensure that double-layer sound-absorption composite board can preferably completely cut off noise when applying to transformer station, absorb noise.
It is of the invention sound absorption principle for individual layer perforated plate have very strong resonance effect, when incident acoustic wave frequency and
When overall resonant frequency is consistent, the air of perforated plate neck produces intense vibration friction, strengthens sink effect, forms
Absworption peak, makes acoustic energy significantly decay.During away from resonant frequency, then absorption reduces, therefore during selection sound-absorption composite board, should
Make its resonant frequency close to noise source frequency, could at utmost give play to the sound absorption function of sound-absorption composite board.
When double damping sound-absorbing composite boards that use perforated plate and micropore acoustic board 2 are combined, absorbed sound by perforated plate 4 and micropore
Plate 2 is compounded to form, and the cavity 9 for being formed between the two can be as acoustic trap, in the course of work, and these acoustic traps produce conspicuous
Mu Huozi resonance effects, its internal air is moved, the gas for now moving repeatedly under the promotion of acoustic pressure as piston
Body has certain mass, and it is resisted the movement velocity caused due to sound wave effect and changed, while when sound wave enters micropore 8, by
In the friction and damping of micro-pore wall, quite a few acoustic energy is set to be converted into heat energy and consume, so as to play the work of sound-absorbing and noise-decreasing
With, multi-layer cavity sets up composite sound absorbing measure, and the resonance sound-absorbing principle using micropore acoustic board and cavity plays a part of power consumption,
The acoustically effective of the structure can be made especially pronounced, better than traditional sound absorption mechanism.Meanwhile, using two pieces of groups of micropore acoustic board
Close, optimal assembled scheme under 800-2000Hz is found out by adjusting the two porosity, thickness and spacing, it is ensured that micropore
Preferably absorb the noise in transformer station.And it is inherently loose material to prevent fires rock wool 3, itself carries many apertures, plays suction
The effect of sound and fire-proof and thermal-insulation.
Finally it should be noted that：The preferred embodiments of the present invention are these are only, is not intended to limit the invention, although
The present invention is described in detail with reference to the foregoing embodiments, for a person skilled in the art, it still can be right
Technical scheme described in foregoing embodiments is modified, or equivalent is carried out to which part technical characteristic, it is all
Within the spirit and principles in the present invention, any modification, equivalent improvement for being made etc. should be included in protection model of the invention
Within enclosing.
Claims (8)
1. a kind of damping double-layer sound-absorption composite board for transformer station, it is characterised in that including keel, the keel are rectangle side
Frame, if being provided with dried layer micropore acoustic board inside the keel, the micropore acoustic board inner side is provided with fire prevention rock wool, outside the keel
Side side is provided with perforated plate, and the keel are formed around concavo-convex bar, some steel nail holes, the steel nail are provided with the concavo-convex bar
Connection steel nail is provided with hole, the connection steel nail can be connected and anchor raised line, and the micropore acoustic board is provided with and is uniformly distributed
Micropore, the perforated plate and micropore acoustic board form cavity between micropore acoustic board and micropore acoustic board.
2. a kind of damping double-layer sound-absorption composite board for transformer station according to claim 1, it is characterised in that described to wear
Orifice plate is provided with sound absorption aperture, and the sound absorption aperture is in hollow hexa-prism.
3. a kind of damping double-layer sound-absorption composite board for transformer station according to claim 2, it is characterised in that described micro-
Spacing is 30-120mm between the acoustic board of hole.
4. a kind of damping double-layer sound-absorption composite board for transformer station according to claim 3, it is characterised in that described micro-
Hole acoustic board is made of porous Al alloy, and in 10mm to 25mm, porosity is controlled in 75%- the thickness control of micropore acoustic board
95%。
5. a kind of damping double-layer sound-absorption composite board for transformer station according to claim 4, it is characterised in that near wearing
The thickness of the micropore acoustic board of orifice plate is set to 10,13,15mm, and porosity is set to 75%, 78%, 85%, near fire prevention rock wool
Micropore acoustic board thickness be set to 15,20,25mm, and porosity is set to 75%, 80%, 93%.
6. a kind of damping double-layer sound-absorption composite board for transformer station according to claim 5, it is characterised in that near wearing
The thickness of the micropore acoustic board of orifice plate is set to 10mm, and porosity is set to 78%, is close to the micropore acoustic board of fire prevention rock wool
Thickness is set to 20mm, and porosity is set to 93%.
7. a kind of damping double-layer sound-absorption composite board for transformer station according to any one of claim 1 to 6, its feature exists
In the keel, micropore acoustic board and perforation plate surface are coated with antirust paint.
8. a kind of damping double-layer sound-absorption composite board for transformer station according to any one of claim 1 to 6, its feature exists
In the concavo-convex bar section is L-type, complementary between the concavo-convex bar, occlusion fastened to each other between the concavo-convex bar, and described recessed
Raised line uses aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611213922.6A CN106760000A (en) | 2016-12-26 | 2016-12-26 | A kind of damping double-layer sound-absorption composite board for transformer station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611213922.6A CN106760000A (en) | 2016-12-26 | 2016-12-26 | A kind of damping double-layer sound-absorption composite board for transformer station |
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| Publication Number | Publication Date |
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| CN106760000A true CN106760000A (en) | 2017-05-31 |
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ID=58919731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611213922.6A Pending CN106760000A (en) | 2016-12-26 | 2016-12-26 | A kind of damping double-layer sound-absorption composite board for transformer station |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749344A (en) * | 2017-12-14 | 2018-03-02 | 国网河南省电力公司洛阳供电公司 | A kind of denoising device for being used for transformer in transformer substation in city |
| CN109038293A (en) * | 2017-06-08 | 2018-12-18 | 全球能源互联网研究院 | A kind of outdoor substation noise reduction sound barrier |
| CN112095863A (en) * | 2020-09-27 | 2020-12-18 | 安徽奋途建设工程有限公司 | Double-deck sound insulation waterproof curtain |
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| JP2010007278A (en) * | 2008-06-25 | 2010-01-14 | Kajima Corp | Broad-band sound absorption structure and sound absorbing material |
| CN202031235U (en) * | 2011-03-04 | 2011-11-09 | 广州市壁神新型建材有限公司 | Assembled lightweight concrete slat and assembled wall thereof |
| CN204023432U (en) * | 2014-08-13 | 2014-12-17 | 江苏省交通科学研究院股份有限公司 | A kind of acoustic screen of water proof and dust proof |
| CN205688605U (en) * | 2016-06-24 | 2016-11-16 | 湖州晶晶环保科技有限公司 | A kind of flat-open type ventilating noise-elimination pressure release wall |
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2016
- 2016-12-26 CN CN201611213922.6A patent/CN106760000A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010007278A (en) * | 2008-06-25 | 2010-01-14 | Kajima Corp | Broad-band sound absorption structure and sound absorbing material |
| CN202031235U (en) * | 2011-03-04 | 2011-11-09 | 广州市壁神新型建材有限公司 | Assembled lightweight concrete slat and assembled wall thereof |
| CN204023432U (en) * | 2014-08-13 | 2014-12-17 | 江苏省交通科学研究院股份有限公司 | A kind of acoustic screen of water proof and dust proof |
| CN205688605U (en) * | 2016-06-24 | 2016-11-16 | 湖州晶晶环保科技有限公司 | A kind of flat-open type ventilating noise-elimination pressure release wall |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038293A (en) * | 2017-06-08 | 2018-12-18 | 全球能源互联网研究院 | A kind of outdoor substation noise reduction sound barrier |
| CN107749344A (en) * | 2017-12-14 | 2018-03-02 | 国网河南省电力公司洛阳供电公司 | A kind of denoising device for being used for transformer in transformer substation in city |
| CN112095863A (en) * | 2020-09-27 | 2020-12-18 | 安徽奋途建设工程有限公司 | Double-deck sound insulation waterproof curtain |
| CN112095863B (en) * | 2020-09-27 | 2021-11-09 | 婺江装饰集团有限公司 | Double-deck sound insulation waterproof curtain |
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Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |