CN104934026A - Sound barrier for outdoor large high-voltage equipment and manufacture method thereof - Google Patents
Sound barrier for outdoor large high-voltage equipment and manufacture method thereof Download PDFInfo
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- CN104934026A CN104934026A CN201410624202.3A CN201410624202A CN104934026A CN 104934026 A CN104934026 A CN 104934026A CN 201410624202 A CN201410624202 A CN 201410624202A CN 104934026 A CN104934026 A CN 104934026A
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Abstract
The present invention provides a sound barrier for outdoor large high-voltage equipment and a manufacture method thereof. The sound barrier comprises an insulating support structure around high-voltage equipment and also comprises a sound absorbing member and a soundproof member which are fixed at the outer side of the insulating support structure and are close to each other. The sound absorbing member is made of a sound absorbing material. The soundproof member is made of a soundproof material and is at the outermost side of the sound barrier. The sound barrier has the advantages of convenient installation and fixation and maintenance and construction, flexible combination, wide sources of manufacture materials, easy purchase, cheap price, recycling and the effective reduction of cost, high voltage electricity consumption is not affected, and the installed sound barrier can be close to high voltage equipment.
Description
Technical field
The present invention relates to outdoor large high voltage installation sound insulation and noise reduction technology, particularly relate to sound barrier of a kind of outdoor large high voltage installation and preparation method thereof.
Background technology
Sound barrier inserts a facility between sound source and recipient, makes Acoustic Wave Propagation have a significant additional attenuation, thus weaken the noise effect in the certain area of recipient place.Conventional acoustic barrier is primarily of steel structural upright column and sound absorption screen board two parts composition, and steel structural upright column is the main bearing member of sound barrier, and it is by bolt or be weldingly fixed on the pre-embedded steel slab of base concrete; Felt is main sound insulation sound absorbing member, and it is fixed in H type column groove by high-strength spring clip, forms sound barrier.
If there will be following problem when conventional acoustic barrier being applied to the electrification in high voltage regions such as outdoor large transformer, high-tension electricity, power-equipment: (1) sound barrier effectively cannot be fixed in equipment surrounding ground and affect the layout of underground line; (2) maintenance span underaction, damages maintenance inconvenient; (3) cost is higher; (4) if fixing too near with stressed steel structural upright column distance high-voltage equipment, Electrical Safety hidden danger can be there is; If comparatively far away, sound insulation and noise reduction ability will reduce, and outdoor large transformer, high-tension electricity, power-equipment land area will increase.
Therefore, a kind of noise barrier structure that can be applicable to high voltage installation is needed.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide sound barrier of a kind of outdoor large high voltage installation and preparation method thereof, for solving the problem cannot carrying out sound insulation and noise reduction in prior art under small size to high voltage installation.
For achieving the above object and other relevant objects, the invention provides a kind of sound barrier of outdoor large high voltage installation, described sound barrier comprises the insulating supporting structure arranged around described high voltage installation, and be fixed on sound-absorbing part outside described insulating supporting structure and bonded to each other and sound insulating member, described sound-absorbing part is made up of acoustical material, described sound insulating member is made up of sound-proof material, and sound insulating member is positioned at the outermost of described sound barrier.
Preferably, described sound insulating member is provided with multiple to wearing bolt, is allly connected in series and ground connection wearing bolt earth conductor cable.
Preferably, described acoustical material is ethylene-vinyl acetate copolymer foam.
Preferably, described sound-proof material is the sandwich steel plate of middle sandwiched polystyrene or mineral wool board.
Preferably, described insulating supporting structure is bamboo scaffolding.
The present invention also provides a kind of method for making of sound barrier of outdoor large high voltage installation, and it comprises the following steps:
The first step, installing insulating supporting construction around described high voltage installation;
Second step, is fixed together the sound-absorbing part be made up of acoustical material and the sound insulating member be made up of sound-proof material and forms single piece;
3rd step, is fixed on described single piece on described insulating supporting structure, and described sound insulating member is positioned at outermost.
Preferably, be also included in described sound insulating member is arranged multiple to wearing bolt, adopt earth conductor cable by all to wear bolt series connection and ground connection.
As mentioned above, sound barrier of outdoor large high voltage installation of the present invention and preparation method thereof, has following beneficial effect: it is according to the principle design of sound insulation and noise reduction, installs fixing maintenance construction easy; Combination flexibly; Making material source is extensive, and easily buying and low price, reclaim recycling, effectively reduce cost; On high voltage electric without impact, the installation of sound barrier can near equipment such as high voltages.
Accompanying drawing explanation
Fig. 1 is shown as the sound barrier schematic diagram of outdoor large high voltage installation of the present invention.
Fig. 2 is shown as A place partial enlarged drawing in Fig. 1.
Fig. 3 is shown as 110KV outside transformer substation main-transformer and adopts sound barrier schematic diagram of the present invention.
Element numbers explanation
1 insulating supporting structure
2 sound-absorbing parts
3 sound insulating members
Wear bolt for 4 pairs
5 master control buildings
6 high voltage installations
Embodiment
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this instructions can understand other advantages of the present invention and effect easily.
Refer to Fig. 1 to Fig. 3.Notice, structure, ratio, size etc. that this instructions institute accompanying drawings illustrates, content all only in order to coordinate instructions to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the present invention can produce and the object that can reach, still all should drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, quote in this instructions as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
As shown in Figure 1, the invention provides a kind of sound barrier of outdoor large high voltage installation, sound barrier comprises the insulating supporting structure 1 arranged around high voltage installation 6, and be fixed on sound-absorbing part 2 outside insulating supporting structure and bonded to each other and sound insulating member 3, sound-absorbing part 2 is made up of acoustical material, sound insulating member 3 is made up of sound-proof material, and sound insulating member 3 is positioned at the outermost of sound barrier.The present invention adopts the insulating supporting structure of insulation to realize the fixed installation of whole sound barrier, because its insulation can contact with high voltage installation fixing, directly can be placed in high voltage installation around noise source equipment, reduce floor area; In addition, acoustical material and the non-common materials of sound-proof material, easily buy and cost is low.
For guaranteeing Electrical Safety, above-mentioned sound insulating member 3 and sound-absorbing part 2 are provided with multiple to wearing bolt 4, as shown in Figure 2, to be allly connected in series and ground connection wearing bolt 4 earth conductor cable, to solve the earth leakage protective problem in high voltage region.
Usually, above-mentioned acoustical material adopts the soft foamed cotton material of fire prevention, generally select ethylene-vinyl acetate copolymer foam and EVA sheet, it is a kind of novel environment friendly element plastic foam material, there is buffering, sound-absorbing, heat insulation, moistureproof, resist chemical effect, and nontoxicly not absorb water, its loose inner structure effectively reaches the effect of sound-absorbing, and that plays the first step to Acoustic Wave Propagation receives effect.
Above-mentioned sound-proof material is the sandwich steel plate of middle sandwiched polystyrene or mineral wool board.Sandwich steel plate be two sides adopt thickness be the steel plate of 0.5 ~ 0.8mm, flame-retardant polystyrene or mineral wool board etc. are inserted in centre, are made by automatic streamline Wiring technology, have resistance to compression load-bearing, insulation, sound insulation, heat insulation and decorate in one material.It is widely used in wallboard and the top board making of large, medium and small industrial premises, warehouse, freezer, office building, purification workshop, heat room and soundproof room, makes the connection of tongue-and-groove type between sheet material, assembled very convenient.Steel plate has reflex to sound wave propagation, and the effect that flame-retardant polystyrene or mineral wool board play sound insulation is inserted in centre.
For ease of building construction, above-mentioned insulating supporting structure is bamboo scaffolding.Its stability can be ensured by the deadweight of bamboo scaffolding.Even if there is blast Inclining destruction, also only can outwards topple over, the not safety of impact to voltage charging zone, bamboo scaffolding can be connected by bamboo pin hand with high voltage installation basis, and security and stability comparatively conventional acoustic barrier is further strengthened.This layout does not need to be connected with ground, does not affect the safety of high voltage installation circumferentially underground pipelines.Diagonal brace in bamboo scaffolding, bottom bracing and pull bar can, as much as possible near high voltage installation, even can be fixed on some high voltage installation basis, and high voltage electric safety is secure compared with conventional acoustic barrier steel structural upright column.The advantage making this sound barrier more can press close to noise source is, on the one hand sound barrier from noise source more close to the effect of sound insulation and noise reduction better, border level of noise is lower; Go along with sb. to guard him region on the other hand less, sound barrier consumption is less, and cost will reduce further.
The present invention also provides a kind of method making above-mentioned outdoor large high voltage installation sound barrier, and it comprises the following steps:
The first step, installing insulating supporting construction 1 around high voltage installation 5, is preferably arranged on outside electrical safety distance controlling line (the BB line namely in Fig. 1 and Fig. 3); Adopt bamboo scaffolding as insulating supporting structure in the present embodiment, it builds easy, only needs constructor to operate under the guidance of electrician;
Second step, is fixed together the sound-absorbing part 2 be made up of acoustical material and the sound insulating member 3 be made up of sound-proof material and forms single piece, and sound-absorbing part 2 and sound insulating member 3 are bonded together by the general building glue that adopts;
3rd step, is fixed on above-mentioned single piece on insulating supporting structure 1, and sound insulating member 3 is positioned at outermost; In the present embodiment, sound insulating member adopts sandwich steel plate, increases the mode of reinforcement (steel pipe, reinforcing bar or bamboo pin hand) and bamboo scaffolding 8 ~ No. 10 steel wire lashings of inner side outside sandwich steel plate;
4th step, sound insulating member 3 is arranged multiple to wearing bolt 4, adopts earth conductor cable to connect all and ground connection to wearing bolt 4.
The bamboo pin hand that sound barrier of the present invention adopts, prevent fires soft foam material and sandwich steel plate are common building materials, non-type, easily to purchase, do not need need specialized factory to make as conventional acoustic barrier and install, general civil engineering personnel just can complete installation and maintenance job under electrician instructs; And after removing, above material still reuses, not only economic but also environmental protection.The sound-proof material in outside adopts wearing bolt earth conductor cable by whole sound barrier series connection also ground connection, and further enhance the security of this sound barrier, this function conventional acoustic barrier does not possess.
Specifically describe the noise barrier structure of 110KV outside transformer substation main-transformer below, as shown in Figure 3.Two class areas residing for this 110KV transformer station, its Standard of Environmental Noise value is: 60 decibels, night 50 decibels between daytime.Due to expropriation of land range shorter, 110KV main-transformer central point is reduced into 15.27 meters apart from the distance of nearest west side enclosure wall by 20 meters; Meet code requirement through monitoring noise between daytime, night, monitor value was 54.6dB, and after background correction value, monitor value is 51.4dB, and it exceeds standard.For solving the problem that border, west side noise exceeds standard, prepare at the green wall of enclosure wall place, west side planting plants.Because the green wall of plant possesses the growth period that decrease of noise functions needs at least one year, for making transformer station put into operation as early as possible, play social benefit, the problem taking the way setting up sound barrier to solve noise west side enclosure wall to exceed standard.
According to the physical condition at scene, rely on master control building 5 in the east of main-transformer, north, west and part southern side build sound barrier of the present invention.Arrange electrical safety distance controlling line BB with peripheral outside one meter of main-transformer, outside this electrical safety distance controlling line, 1.5 meters is the center line (Fig. 3) of sound barrier.The insulating supporting structure 1 of sound barrier adopts 1.2 meters wide, the bamboo pin hand of cross bar spacing 1 meter sets up, outside bamboo pin hand with the thick fire prevention of 15mm soft foam material as the sandwich steel plate of sound-absorbing part 2,75H (0.5mm steel plate) as sound insulating member 3.Sound-absorbing part 2 and sound insulating member 3 bond with building glue in a pre-installation.The mode of hollow square tube and No. 8 steel wire lashings of the bamboo scaffolding of inner side are added outside sandwich steel plate, consistent with the cross bar of bamboo scaffolding during colligation, add hollow square tube together every one meter.The sound insulating member 3 in outside adopts connects whole sound barrier and two-way ground connection (Fig. 2) to wearing bolt 4 earth conductor cable.
Main-transformer height overall 5 meters, noise source height is below 3 meters, and the sound barrier height of above-mentioned structure is 4.5 meters.Do not consider the impact on high voltage electric region electricity consumption hidden danger according to conventional acoustic barrier, implement this Project of Denoising cost more than 150,000 through inquiry, adopt the total cost after this sound barrier to be no more than 3.5 ten thousand yuan.
Through running after a while, proving that this sound barrier is safe and reliable, sound insulation and noise reduction successful, adopting the effective zone leveling noise reduction of covering to reach 10dB (A) (125Hz ~ 40000Hz, third-octave).
In sum, sound barrier of outdoor large high voltage installation of the present invention and preparation method thereof, it can reach by conventional building materials, simple structure and easy method for making effects such as possessing sound insulation, sound-absorbing, fire prevention; This sound barrier cost is less than 1/4th of conventional acoustic barrier, and possess the anti-high voltage capability that conventional acoustic barrier do not possess, be applicable to temporary project, simple and easy project, need to use a middle or short term outdoor large transformer, high-tension electricity, power etc. to have the sound insulation and noise reduction project of noise source equipment.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (7)
1. the sound barrier of an outdoor large high voltage installation, it is characterized in that, described sound barrier comprises the insulating supporting structure (1) arranged around described high voltage installation (6), and be fixed on sound-absorbing part (2) outside described insulating supporting structure and bonded to each other and sound insulating member (3), described sound-absorbing part (2) is made up of acoustical material, described sound insulating member (3) is made up of sound-proof material, and sound insulating member (3) is positioned at the outermost of described sound barrier.
2. the sound barrier of outdoor large high voltage installation according to claim 1, it is characterized in that: described sound insulating member (3) is provided with multiple to wearing bolt (4), to be allly connected in series and ground connection with earth conductor cable wearing bolt (4).
3. the sound barrier of outdoor large high voltage installation according to claim 1, is characterized in that: described acoustical material is ethylene-vinyl acetate copolymer foam.
4. the sound barrier of outdoor large high voltage installation according to claim 1, is characterized in that: described sound-proof material is the sandwich steel plate of middle sandwiched polystyrene or mineral wool board.
5. the sound barrier of outdoor large high voltage installation according to claim 1, is characterized in that: described insulating supporting structure (1) is bamboo scaffolding.
6. a method for making for the sound barrier of outdoor large high voltage installation, is characterized in that: comprise the following steps:
The first step, installing insulating supporting construction (1) around described high voltage installation (6);
Second step, is fixed together the sound-absorbing part (2) be made up of acoustical material and the sound insulating member (3) be made up of sound-proof material and forms single piece;
3rd step, is fixed on described single piece on described insulating supporting structure (1), and described sound insulating member (3) is positioned at outermost.
7. the method for making of the sound barrier of outdoor large high voltage installation according to claim 1, it is characterized in that: be also included in described sound insulating member (3) is arranged multiple to wearing bolt (4), adopt earth conductor cable by all to wear bolt (4) series connection and ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410624202.3A CN104934026A (en) | 2014-11-06 | 2014-11-06 | Sound barrier for outdoor large high-voltage equipment and manufacture method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410624202.3A CN104934026A (en) | 2014-11-06 | 2014-11-06 | Sound barrier for outdoor large high-voltage equipment and manufacture method thereof |
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| CN104934026A true CN104934026A (en) | 2015-09-23 |
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| CN201410624202.3A Pending CN104934026A (en) | 2014-11-06 | 2014-11-06 | Sound barrier for outdoor large high-voltage equipment and manufacture method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105304272A (en) * | 2015-11-26 | 2016-02-03 | 国网河南偃师市供电公司 | De-noising apparatus of transformer |
| CN108951418A (en) * | 2018-08-08 | 2018-12-07 | 上海勘测设计研究院有限公司 | The hinge seam construction and its construction method of prefabricated assembled hollow slab girder |
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| JPH11251161A (en) * | 1998-02-27 | 1999-09-17 | Toshiba Corp | Stationary induction apparatus |
| CN202585072U (en) * | 2012-05-31 | 2012-12-05 | 四川正升声学科技有限公司 | Insulating sound barrier for outdoor transformer |
| CN202905429U (en) * | 2012-11-12 | 2013-04-24 | 上海加能电力科技有限公司 | Multifunctional outer cover for silencing dry-type transformer |
| CN202996554U (en) * | 2012-10-31 | 2013-06-12 | 广州亚虎电力有限公司 | Noise reduction component for transformer and transformer |
| CN103545096A (en) * | 2013-10-19 | 2014-01-29 | 宁夏天地经纬电力设备工程有限公司 | Transformer denoising device |
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2014
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11251161A (en) * | 1998-02-27 | 1999-09-17 | Toshiba Corp | Stationary induction apparatus |
| CN202585072U (en) * | 2012-05-31 | 2012-12-05 | 四川正升声学科技有限公司 | Insulating sound barrier for outdoor transformer |
| CN202996554U (en) * | 2012-10-31 | 2013-06-12 | 广州亚虎电力有限公司 | Noise reduction component for transformer and transformer |
| CN202905429U (en) * | 2012-11-12 | 2013-04-24 | 上海加能电力科技有限公司 | Multifunctional outer cover for silencing dry-type transformer |
| CN103545096A (en) * | 2013-10-19 | 2014-01-29 | 宁夏天地经纬电力设备工程有限公司 | Transformer denoising device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105304272A (en) * | 2015-11-26 | 2016-02-03 | 国网河南偃师市供电公司 | De-noising apparatus of transformer |
| CN108951418A (en) * | 2018-08-08 | 2018-12-07 | 上海勘测设计研究院有限公司 | The hinge seam construction and its construction method of prefabricated assembled hollow slab girder |
| CN108951418B (en) * | 2018-08-08 | 2023-06-06 | 上海勘测设计研究院有限公司 | Hinge joint structure of prefabricated hollow slab beam and construction method thereof |
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Application publication date: 20150923 |