CN206448390U - A kind of compound sound insulating structure suitable for outdoor transformer noise processed - Google Patents
A kind of compound sound insulating structure suitable for outdoor transformer noise processed Download PDFInfo
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- CN206448390U CN206448390U CN201621084860.9U CN201621084860U CN206448390U CN 206448390 U CN206448390 U CN 206448390U CN 201621084860 U CN201621084860 U CN 201621084860U CN 206448390 U CN206448390 U CN 206448390U
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Abstract
The utility model embodiment discloses a kind of compound sound insulating structure suitable for outdoor transformer noise processed, noise reduction technology that current substation uses is solved substantially to reduce the LA of electrical equipment or factory's circle environment as main purpose, the LA of many electrical equipments and factory outside noise has been effectively controlled, but conventional method can not but change the spectral characteristic of noise, especially its low frequency characteristic, power grid enterprises are caused to spend a large amount of manpowers, material resources are carried out after noise abatement, public demands can not still be met, and to there is the noise-reducing device set-up time long for sound insulation and noise reducing measure that transformer station uses at present, take up an area big, electrical equipment not easy heat radiation, the high technical problem of cost.A kind of compound sound insulating structure for being applied to outdoor noise pollution processing of the utility model embodiment includes successively from outside to inside:Cement layer, brick layer, microperforated panel and mineral wool.
Description
Technical field
The utility model is related to power transmission and transformation noise pollution process field, more particularly to a kind of suitable for outdoor transformer noise
The compound sound insulating structure of processing.
Background technology
Self noise harm begins one's study various noise-reduction methods to reduce noise pair by people's beginning of interest, scientists from all over the world
The daily production of people and the influence of life, and achieve certain achievement.In terms of transformer noise pollution control, according to noise
The difference of pollution control technology implementation, noise reduction measure mainly has sound absorption technique, opacity technique, noise elimination technique etc..It is wherein outstanding
It is the most obvious with opacity technique effect.Sound insulation and noise reducing technology is primarily adapted for use in the processing of outdoor substation noise, and main method is
Set according to the factor such as the pollution level of transformer station's noise and sensitive spot position, after considering on noise transmission path every
Transformer body is closed in the method in isolation booth or acoustic hood to reach the purpose of noise reduction by sound-screen.Sound insulation and noise reducing technology
10~30dB noise reduction can be typically reached, is the maximally efficient noise reduction measure of current transformer station.
But the noise reduction technology that current substation is used is substantially to reduce based on the LA of electrical equipment or factory's circle environment
Syllabus, with the development of technology, the LA of many electrical equipments and factory outside noise has been effectively controlled, but conventional method is but
The spectral characteristic of noise can not be changed, especially its low frequency characteristic, cause power grid enterprises spending a large amount of human and material resources to carry out
After noise abatement, public demands can not be still met, and there is noise-reducing device peace in the sound insulation and noise reducing measure that transformer station uses at present
ETL estimated time of loading is long, takes up an area big, electrical equipment not easy heat radiation, the high shortcoming of cost.Therefore, in the Control Noise Pollution side of transformer station
Face, need to further develop more convenient, efficient sound insulation and noise reducing measure.
Utility model content
The utility model embodiment discloses a kind of compound sound insulating structure suitable for outdoor transformer noise processed, solves
The noise reduction technology that current substation is used is substantially, to reduce the LA of electrical equipment or factory's circle environment as main purpose, to be permitted
The LA of many electrical equipments and factory outside noise has been effectively controlled, but the frequency spectrum that conventional method can not but change noise is special
Property, especially its low frequency characteristic causes power grid enterprises after spending a large amount of human and material resources to carry out noise abatement, can not still met
Public demands, and to there is the noise-reducing device set-up time long for the sound insulation and noise reducing measure that transformer station uses at present, take up an area big, electrically set
Standby not easy heat radiation, the high technical problem of cost.
The utility model embodiment provides a kind of compound sound insulating structure suitable for outdoor transformer noise processed, bag
Include:Cement layer, brick layer, micropunch flaggy and mineral wool, are followed successively by the cement layer, the brick layer, described micro- wear from outside to inside
Orifice layer and the mineral wool.
Preferably, the microperforated panel pore size is 4mm, and thickness is 5mm.
Preferably, the cement layer is two layers, and described two layers of centre of cement layer is filled using hollow or sound-absorbing material.
Preferably, the brick layer is two layers, and described two layers of centre of brick layer is filled using hollow or sound-absorbing material.
Preferably, the micropunch flaggy is two layers, and described two layers of centre of micropunch flaggy uses vacuum or sound absorber
Material filling.
Preferably, the microperforated panel is PVC microperforated panels.
Preferably, the punching rate of the microperforated panel is 5%, and hole shape is between circle hole shape, microperforated panel described in two layers
Distance be 50mm.
Preferably, the mineral wool is one layer, and density is 30kg/m3, thickness is 50mm, and the mineral wool micro- is worn with described
The distance of orifice plate is 0mm.
Preferably, the brick is fired common brick, using MU30 types, and size is 240mm × 115mm × 53mm, two layers of institute
The spacing for stating fired brick is 60mm.
Preferably, the cement is ordinary cement, and thickness is 2mm.
As can be seen from the above technical solutions, the utility model embodiment has advantages below:
The utility model embodiment, which provides a kind of compound sound insulating structure suitable for outdoor transformer noise processed, to be included:
Cement layer, brick layer, micropunch flaggy and mineral wool, are followed successively by the cement layer, the brick layer, the microperforated panel from outside to inside
Layer and the mineral wool.In the present embodiment, by cement layer, brick layer, micropunch flaggy and mineral wool, current transformer station is solved
The noise reduction technology used be substantially to reduce the LA of electrical equipment or factory's circle environment as main purpose, many electrical equipments and
The LA of factory outside noise has been effectively controlled, but conventional method can not but change the spectral characteristic of noise, and especially its is low
Frequency characteristic, causes power grid enterprises after spending a large amount of human and material resources to carry out noise abatement, can not still meet public demands, and mesh
It is long to there is the noise-reducing device set-up time in the sound insulation and noise reducing measure that preceding transformer station uses, and takes up an area big, electrical equipment not easy heat radiation, makes
The high technical problem of valency.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of compound sound insulation knot suitable for outdoor transformer noise processed for providing in the utility model embodiment
Structure principle schematic;
Fig. 2 is a kind of compound sound insulation knot suitable for outdoor transformer noise processed for providing in the utility model embodiment
Structure outside drawing;
Illustrate:1 cement layer, 2 bricks, 3 microperforated panels, 4 mineral wools.
Embodiment
The utility model embodiment discloses a kind of compound sound insulating structure suitable for outdoor transformer noise processed, solves
The noise reduction technology that current substation is used is substantially, to reduce the LA of electrical equipment or factory's circle environment as main purpose, to be permitted
The LA of many electrical equipments and factory outside noise has been effectively controlled, but the frequency spectrum that conventional method can not but change noise is special
Property, especially its low frequency characteristic causes power grid enterprises after spending a large amount of human and material resources to carry out noise abatement, can not still met
Public demands, and to there is the noise-reducing device set-up time long for the sound insulation and noise reducing measure that transformer station uses at present, take up an area big, electrically set
Standby not easy heat radiation, the high technical problem of cost.
Refer to Fig. 1, the utility model embodiment provide it is a kind of suitable for outdoor transformer noise processed it is compound every
Acoustic form, including:Cement layer 1, brick layer, micropunch flaggy and mineral wool 4, are followed successively by cement layer 1, brick layer, micro- wear from outside to inside
Orifice layer and mineral wool 4.
Further, the pore size of microperforated panel 3 is 4mm, and thickness is 5mm.
Further, cement layer 1 is two layers, and two layers of centre of cement layer is filled using hollow or sound-absorbing material.
Further, brick layer is two layers, and two layers of centre of brick layer is filled using hollow or sound-absorbing material.
Further, micropunch flaggy is two layers, and two layers of centre of micropunch flaggy is filled using vacuum or sound-absorbing material.
Further, microperforated panel 3 is PVC microperforated panels.
Further, the punching rate of microperforated panel 3 is 5%, and hole shape is circle hole shape, between microperforated panel 3 described in two layers
Distance be 50mm.
Further, mineral wool 4 is one layer, and density is 30kg/m3, thickness is 50mm, mineral wool 4 and microperforated panel 3
Distance is 0mm.
Further, brick 2 is fired common brick, using MU30 types, and size is 240mm × 115mm × 53mm, two layers of sintering
The spacing of brick is 60mm.
Further, cement is ordinary cement, and thickness is 2mm.
Referring to Fig. 1, what is provided in the utility model embodiment is a kind of suitable for the compound of outdoor transformer noise processed
Sound insulating structure principle schematic one embodiment includes:Two layers of cement layer 1, two layers of brick 2, two layers of porous plates 3 and one layer of glass
Cotton 4.
Cement layer 1 is light water mud layer, and thickness is 2mm, positioned at the whole outermost layer for being combined sound insulating structure, is mainly used in pair
The waterproof action of whole sound insulating structure.
It is fired common brick on the inside of cement layer, using MU30 types, size is 240mm × 115mm × 53mm, two layers of fired brick
Spacing be 60mm, two ginseng fired bricks are mainly used in the fixation to whole compound sound insulating structure and partial isolation effect.
Two layers of PVC microperforated panel 3 is installed, pore size is 4mm, and thickness is 5mm, and punching rate is in the middle of fired common brick
5%, hole shape is circle hole shape;The distance between two layers of porous plates 3 is 50mm, and microperforated panel 3 mainly plays absorption low-frequency noise
Purpose.
One layer of density 30kg/m is installed in the middle of two layers of porous plates 33, thickness 50mm mineral wool 4, mineral wool 4 with it is micro-
The distance of perforated plate 3 is 0mm.Mineral wool is mainly used in absorbing low frequency and the noise of medium-high frequency.
It can be replaced for the brick 2 in the utility model embodiment using the brick of other intensity, thickness;Minimally invasive orifice plate 3
The minimally invasive orifice plate of other materials can be used, mineral wool 4 can use the mineral wool of other thickness.
The in-site installation of the compound sound insulating structure is as shown in Figure 2.Outer layer is all wrapped up with cement layer 1, plays waterproof, fixation
Structure function.
A kind of compound sound insulating structure suitable for outdoor transformer noise processed that the utility model embodiment is provided includes:
Cement layer 1, brick layer, micropunch flaggy and mineral wool 4, are followed successively by cement layer 1, turn layer, micropunch flaggy and glass from outside to inside
Cotton 4.In the present embodiment, by cement layer 1, brick layer, micropunch flaggy and mineral wool 4, solve what current substation was used
Noise reduction technology is substantially many electrical equipments and factory outside noise to reduce the LA of electrical equipment or factory's circle environment as main purpose
LA be effectively controlled, but conventional method can not but change the spectral characteristic of noise, especially its low frequency characteristic, cause
Make power grid enterprises after spending a large amount of human and material resources to carry out noise abatement, can not still meet public demands, and transformer station adopts at present
It is long to there is the noise-reducing device set-up time in sound insulation and noise reducing measure, takes up an area big, electrical equipment not easy heat radiation, the high technology of cost
Problem.
A kind of compound sound insulating structure suitable for outdoor transformer noise processed provided by the utility model is entered above
Go and be discussed in detail, for those of ordinary skill in the art, according to the thought of the utility model embodiment, in specific embodiment party
It will change in formula and application, in summary, this specification content should not be construed as to limit of the present utility model
System.
Claims (10)
1. a kind of compound sound insulating structure suitable for outdoor transformer noise processed, it is characterised in that including:Cement layer, brick layer,
Micropunch flaggy and mineral wool, are followed successively by the cement layer, the brick layer, the micropunch flaggy and the glass from outside to inside
Cotton.
2. the compound sound insulating structure of outdoor transformer noise processed according to claim 1, it is characterised in that described micro- to wear
Orifice plate pore size is 4mm, and thickness is 5mm.
3. the compound sound insulating structure of outdoor transformer noise processed according to claim 2, it is characterised in that the cement
Layer is two layers, and described two layers of centre of cement layer is filled using hollow or sound-absorbing material.
4. the compound sound insulating structure of outdoor transformer noise processed according to claim 2, it is characterised in that the brick layer
For two layers, described two layers of centre of brick layer is filled using hollow or sound-absorbing material.
5. the compound sound insulating structure of outdoor transformer noise processed according to claim 2, it is characterised in that described micro- to wear
Orifice layer is two layers, and described two layers of centre of micropunch flaggy is filled using vacuum or sound-absorbing material.
6. the compound sound insulating structure of outdoor transformer noise processed according to claim 2, it is characterised in that described micro- to wear
Orifice plate is PVC microperforated panels.
7. the compound sound insulating structure of outdoor transformer noise processed according to claim 5, it is characterised in that described micro- to wear
The punching rate of orifice plate is 5%, and hole shape is circle hole shape, and the distance between microperforated panel described in two layers is 50mm.
8. the compound sound insulating structure of outdoor transformer noise processed according to claim 2, it is characterised in that the glass
Cotton is one layer, and density is 30kg/m3, thickness is 50mm, and the distance of the mineral wool and the microperforated panel is 0mm.
9. the compound sound insulating structure of outdoor transformer noise processed according to claim 4, it is characterised in that the brick is
Fired common brick, using MU30 types, size is 240mm × 115mm × 53mm, and the spacing of fired brick described in two layers is 60mm.
10. the compound sound insulating structure of outdoor transformer noise processed according to claim 2, it is characterised in that the water
Mud is ordinary cement, and thickness is 2mm.
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CN201621084860.9U CN206448390U (en) | 2016-09-27 | 2016-09-27 | A kind of compound sound insulating structure suitable for outdoor transformer noise processed |
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CN201621084860.9U CN206448390U (en) | 2016-09-27 | 2016-09-27 | A kind of compound sound insulating structure suitable for outdoor transformer noise processed |
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2016
- 2016-09-27 CN CN201621084860.9U patent/CN206448390U/en active Active
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