CN203939265U - A kind of sound insulation of the foamed aluminium board for outdoor substation noise reduction gobo body - Google Patents
A kind of sound insulation of the foamed aluminium board for outdoor substation noise reduction gobo body Download PDFInfo
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- CN203939265U CN203939265U CN201420336623.1U CN201420336623U CN203939265U CN 203939265 U CN203939265 U CN 203939265U CN 201420336623 U CN201420336623 U CN 201420336623U CN 203939265 U CN203939265 U CN 203939265U
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- sound insulation
- outdoor substation
- foamed aluminium
- aluminium board
- gobo body
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Abstract
A foamed aluminium board sound insulation gobo body for outdoor substation noise reduction, belongs to building unit field.It is characterized in that described foamed aluminium board sound insulation gobo body is comprised of absorbent treatment, soundproof course, lightgage steel joist, press strip and self-plugging rivet; Its soundproof course four limits form keel after by flanging, then along soundproof course long side direction, in centre, are equally spaced welded and fixed a plurality of lightgage steel joists; Its absorbent treatment is fixed on lightgage steel joist through press strip and self-plugging rivet; Its sound insulation gobo body is arranged between many steel posts and has formed sound barrier, is arranged on outdoor substation border or outdoor substation main transformer around.It can effectively reduce the propagation effect of transformer noise External Environment in outdoor substation.Meanwhile, foamed aluminium board sound insulation gobo body is applicable to the round-the-clock ambient conditions of outdoor installation, adopts foamed aluminium board sound insulation gobo body also to have the function of electromagnetic shielding, can further reduce outdoor substation to the pollution of environment and interference.
Description
Technical field
The utility model belongs to building unit field, relates in particular to a kind of noise reduction member for outdoor substation sound insulation sound absorption.
Background technology
The main transformer of outdoor substation is in outdoor installment state, its noise is by unobstructed spatial towards periphery, add transformer noise and be obvious arrowband low frequency characteristic, at 100Hz, 200Hz and 400Hz place, present sound pressure level peak value, make the propagation attenuation of transformer noise slow, influence basin is large.
In recent years, quickening along with expanding economy and urbanization process, city land used is nervous, in city some build the surrounding of ages outdoor substations relatively early also newly-built successively residential quarter, residential quarter and transformer station at a distance of nearer, transformer noise in transformer station, by inevitably the residential quarter of periphery being produced to propagation effect, easily causes environment contradiction.
Outdoor substation is the Ultra-high Voltage Substations of 220kV and above grade mostly, the high-voltage safety protection grade of this class transformer station is very high, be subject to the restriction of this factor, the method that solves at present transformer noise pollution problem in outdoor substation mainly concentrates on the route of transmission of noise, and wherein topmost noise reduction measure arranges sound barrier exactly between transformer and sensitive spot.
Sound barrier is mainly comprised of steel post and sound insulation gobo body, and what wherein play Noise Reduction is sound insulation gobo body.Sound insulation gobo body is is mainly designed and developed for road noise barrier at present, its characteristic frequency at road traffic noise is that Mid Frequency has good sound insulation and sound absorbing capabilities, be applicable to the pollution problem of solving road traffic noise, if but former state is indiscriminately imitated in the noise reduction that is used in outdoor substation, its noise reduction is not by good enough, reason is that transformer noise is obvious arrowband low frequency characteristic, characteristic frequency is 100Hz, 200Hz and 400Hz, and the sound insulation gobo body of road noise barrier is not good enough at the sound absorbing capabilities of these frequency ranges.Therefore be necessary to design and develop a kind of sound insulation gobo body that is applicable to outdoor substation noise reduction.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of sound insulation of the foamed aluminium board for outdoor substation noise reduction gobo body, itself and steel post constitute sound barrier, be arranged on outdoor substation border or outdoor substation main transformer surrounding, form the acoustics barrier in noise transmission approach, can effectively reduce the propagation effect of transformer noise External Environment in outdoor substation.
The technical solution of the utility model is: a kind of foamed aluminium board for outdoor substation noise reduction sound insulation gobo body is provided, it is characterized in that: described foamed aluminium board sound insulation gobo body by absorbent treatment, soundproof course, be arranged on lightgage steel joist between absorbent treatment and soundproof course, the press strip and the self-plugging rivet that are arranged on absorbent treatment outside form; Described soundproof course four limits form keel after by flanging, then along soundproof course long side direction, in centre, are equally spaced welded and fixed a plurality of lightgage steel joists; Described absorbent treatment is fixed on lightgage steel joist through press strip and self-plugging rivet; Described foamed aluminium board sound insulation gobo body is arranged between many steel posts and has formed sound barrier, is arranged on outdoor substation border or outdoor substation main transformer around.
Concrete, described absorbent treatment is aluminum fiber acoustic board.
Soundproof course described in it is galvanized steel plain sheet.
Further, the absorbent treatment described in it is towards the main transformer setting of outdoor substation noise source or outdoor substation.
Compared with the prior art, the utility model has the advantages that:
1. the sound absorbing capabilities of foamed aluminium board sound insulation gobo body is good, and noise reduction coefficient is 0.9.
2. foamed aluminium board sound insulation gobo body all has higher sound absorption coefficient in whole broadband, and crest frequency 100Hz, the 200Hz of main transformer of transformer substation noise and 400Hz place also have very high sound absorption coefficient especially in the open, and average reaches 0.74.
3. foamed aluminium board sound insulation gobo body has sound absorbing capabilities steady in a long-term, is not substantially subject to the impact of rainwater and dust.
4. foamed aluminium board sound insulation gobo body is all metal construction, absorbent treatment is aluminum plate, and soundproof course is galvanized steel plain sheet and carries out preservative treatment, and press strip and self-plugging rivet are aluminium matter, therefore the gobo body integral body that insulates against sound has good antiseptic property, is applicable to the round-the-clock ambient conditions of outdoor installation.
5. the absorbent treatment of foamed aluminium board sound insulation gobo body is Foamed aluminum sound absorbing plate, is full aluminium material, has the function of electromagnetic shielding.
6. the absorbent treatment of foamed aluminium board sound insulation gobo body is Foamed aluminum sound absorbing plate, and the good rigidity of Foamed aluminum sound absorbing plate is made screen body rear surface planeness good, good looking appearance.
Accompanying drawing explanation
Fig. 1 is the facade structures schematic diagram of the utility model absorbent treatment side;
Fig. 2 is profile construction schematic diagram of the present utility model.
In figure, 1 is absorbent treatment, and 2 is soundproof course, and 3 is lightgage steel joist, and 4 is press strip, and 5 is self-plugging rivet.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
Shown in seeing figures.1.and.2, the utility model is comprised of absorbent treatment 1, soundproof course 2, lightgage steel joist 3, press strip 4, self-plugging rivet 5, and the absorbent treatment 1 described in it is Foamed aluminum sound absorbing plate, and soundproof course 2 is galvanized steel plain sheet.
Structurally, described soundproof course 1 four limits form keel after by flanging, then along soundproof course 2 long side directions, are equally spaced welded and fixed a plurality of lightgage steel joists 3 in centre; Described absorbent treatment 1 utilizes press strip 4 and self-plugging rivet 5 to be fixed on lightgage steel joist.
Described foamed aluminium board sound insulation gobo body is arranged between many steel posts and has just formed sound barrier, is arranged on outdoor substation border or outdoor substation main transformer around.
Described absorbent treatment is towards the noise source of outdoor substation or the main transformer setting of outdoor substation.
Good and the sound absorbing capabilities of the sound absorbing capabilities of described foamed aluminium board sound insulation gobo body is stablized, noise reduction coefficient is 0.9, in whole broadband, all there is higher sound absorption coefficient, especially in the open crest frequency 100Hz, the 200Hz of main transformer of transformer substation noise and 400Hz place also have very high sound absorption coefficient, average can reach 0.74, has good noise reduction acoustically effective.
The utility model has adopted the composite construction of absorbent treatment and soundproof course, constitute sound barrier with steel post, be arranged on outdoor substation border or outdoor substation main transformer surrounding, form the acoustics barrier in noise transmission approach, can effectively reduce the propagation effect of transformer noise External Environment in outdoor substation.Meanwhile, its foamed aluminium board sound insulation gobo body is all metal construction, is applicable to the round-the-clock ambient conditions of outdoor installation, adopts foamed aluminium board sound insulation gobo body also to have the function of electromagnetic shielding, can further reduce outdoor substation to the pollution of environment and interference.
The utility model can be widely used in the noise reduction construction of outdoor substation main transformer or the manufacture field of acoustics barrier member.
Claims (4)
1. for a foamed aluminium board sound insulation gobo body for outdoor substation noise reduction, it is characterized in that:
Described foamed aluminium board sound insulation gobo body by absorbent treatment, soundproof course, be arranged on lightgage steel joist between absorbent treatment and soundproof course, the press strip and the self-plugging rivet that are arranged on absorbent treatment outside form;
Described soundproof course four limits form keel after by flanging, then along soundproof course long side direction, in centre, are equally spaced welded and fixed a plurality of lightgage steel joists;
Described absorbent treatment is fixed on lightgage steel joist through press strip and self-plugging rivet;
Described foamed aluminium board sound insulation gobo body is arranged between many steel posts and has formed sound barrier, is arranged on outdoor substation border or outdoor substation main transformer around.
2. according to the sound insulation of the foamed aluminium board for outdoor substation noise reduction gobo body claimed in claim 1, it is characterized in that described absorbent treatment is Foamed aluminum sound absorbing plate.
3. according to the sound insulation of the foamed aluminium board for outdoor substation noise reduction gobo body claimed in claim 1, it is characterized in that described soundproof course is galvanized steel plain sheet.
4. according to the sound insulation of the foamed aluminium board for outdoor substation noise reduction gobo body claimed in claim 1, it is characterized in that described absorbent treatment is towards the main transformer setting of outdoor substation noise source or outdoor substation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420336623.1U CN203939265U (en) | 2014-06-23 | 2014-06-23 | A kind of sound insulation of the foamed aluminium board for outdoor substation noise reduction gobo body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420336623.1U CN203939265U (en) | 2014-06-23 | 2014-06-23 | A kind of sound insulation of the foamed aluminium board for outdoor substation noise reduction gobo body |
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| Publication Number | Publication Date |
|---|---|
| CN203939265U true CN203939265U (en) | 2014-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420336623.1U Active CN203939265U (en) | 2014-06-23 | 2014-06-23 | A kind of sound insulation of the foamed aluminium board for outdoor substation noise reduction gobo body |
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| CN (1) | CN203939265U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107919214A (en) * | 2017-10-16 | 2018-04-17 | 国网上海市电力公司 | The noise-reduction method that a kind of 10kV bars become |
-
2014
- 2014-06-23 CN CN201420336623.1U patent/CN203939265U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107919214A (en) * | 2017-10-16 | 2018-04-17 | 国网上海市电力公司 | The noise-reduction method that a kind of 10kV bars become |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200122, 1122 deep road, Pudong New Area, Shanghai Patentee after: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co. Patentee after: SHANGHAI ZHUORUN ASSET MANAGEMENT Co.,Ltd. Address before: 200122, 1122 deep road, Pudong New Area, Shanghai Patentee before: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co. Patentee before: Shanghai Dianwu Asset Management Co.,Ltd. Address after: 200122, 1122 deep road, Pudong New Area, Shanghai Patentee after: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co. Patentee after: Shanghai Dianwu Asset Management Co.,Ltd. Address before: 200122, 1122 deep road, Pudong New Area, Shanghai Patentee before: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co. Patentee before: SHANGHAI ELECTRIC POWER EQUIPMENT COLLECTIVE ASSETS MANAGEMENT Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210519 Address after: 1122 Yuanshen Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 200122 Patentee after: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co. Patentee after: SHANGHAI HENGNENGTAI ENTERPRISE MANAGEMENT Co.,Ltd. Address before: 200122, 1122 deep road, Pudong New Area, Shanghai Patentee before: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co. Patentee before: SHANGHAI ZHUORUN ASSET MANAGEMENT Co.,Ltd. |