CN208733486U - A kind of folding-jib photovoltaic noise barrier - Google Patents

Abstract

The utility model discloses a kind of folding-jib photovoltaic noise barriers, including folding-jib column (1), photovoltaic sound separating member (2), connection steelframe (3) and transparent screen body (11), the top of the photovoltaic sound separating member (2) is equipped with metal sound absorption module (12), and arrangement in a certain angle between the photovoltaic sound separating member (2) and metal sound absorption module (12).The folding-jib photovoltaic noise barrier of the utility model, including folding-jib column, photovoltaic sound separating member, connect steelframe, transparent screen body and metal sound absorption module, the top of one of photovoltaic sound separating member is equipped with metal sound absorption module, centre uses transparent screen body, the visual fatigue in vehicle travel process can effectively be avoided, the sound absorption effect of sound barrier entirety can effectively be promoted by installing metal sound absorption module at the top of folding-jib photovoltaic noise barrier additional, photovoltaic module realizes right angle setting using N-type double-side cell+solar double-glass assemblies, improve the light receiving surface product of photovoltaic module, improve generating efficiency.

Description

A kind of folding-jib photovoltaic noise barrier

Technical field

The utility model belongs to sound barrier and photovoltaic power generation integrates applied technical field, more particularly, to a kind of folding arm Formula photovoltaic noise barrier.

Background technique

In recent years, municipal highway and Rail Transit System are grown rapidly, while bringing many convenient for social life, The problems such as inevitably bringing vibration and noise pollution not only compromises human health, reduces people's lives quality, also The land values of roadside can be reduced to a certain extent.Data show that the every raising 1dB of traffic noise, then the price in soil 0.08~1.26% will be declined.In order to solve this problem, most simple and effective measure is set along highway and rail traffic Sound barrier is set, sound source and one significant additional by between sound point, the running noises of sound source can have in communication process is located at Decay, thus the influence of noise in the certain area where weakening recipient, to improve the sound environment quality of ambient enviroment.China Sound barrier is using later, but entire industry and market development are rapid, from 1992 for the first time in Guizhou Guizhou Province Kweiyang-yellow fruit tree Since being mounted with hundred meters of tentative sound barriers on highway Guizhou Polytechnical College section, China has built up the city come into operation Highway and rail traffic noise barrier have reached thousands of.

With the innovation of technology and the progress of industry, the current development trend of sound barrier is broadly divided into two general orientation: (1) increasing Add the functional attributes other than being acoustically isolated.Noise Barrier Works are costly, and the project cost of every linear meter(lin.m.) at 2000 yuan or more, is removed Realize outside conventional noise control, if can subsidiary other function attribute, certainly will promote the application value and popularization of sound barrier Benefit.(2) increase the insertion loss of sound barrier, while reinforcing the sound absorption effect of Middle and low frequency noise, to realize municipal highway And the control of rail traffic Middle and low frequency noise.China's sound barrier technical specification and standard not enough refine, and cause sound barrier sound absorption Frequency acoustic performance is poor in module, with TB/T2122-2010 " railway sound barrier acoustic member technical requirements and test method " For, it is required that oise insulation factor Rw > 25dB of railway sound barrier sound absorption module, noise reduction coefficient NRC > 0.7 lack the thin of frequency-division section Change oise insulation factor and noise reduction coefficient parameter；And developed countries are relatively complete to the standard requirements of railway sound barrier acoustical behavior Face, oise insulation factor and noise reduction coefficient have detailed regulation at the 1/3OCT centre frequency within 20~10KHz；China is conventional Sound absorption module easily reaches even more than standard requirements in the acoustics index of medium-high frequency range, but middle frequency acoustic performance compared with Difference, the demand grave fault of this and the control of urban track traffic Middle and low frequency noise.

With the development of photovoltaic industry, in conjunction with the development trend of sound barrier, photovoltaic noise barrier comes into being.It is by solar energy Generation technology is combined with traditional sound barrier, converts the solar into electric energy while sound barrier realizes sound insulation property, is supplied Other electricity consumption facilities.Compared with conventional photovoltaic industry, photovoltaic noise barrier is not take up valuable urban land resource, can reduce and make an uproar Sound, and can generate electricity, there are huge market potential and application prospect.Compared with conventional sound barrier, photovoltaic noise barrier not only can be with Considerable economic benefit is created in entire service life, while also there is apparent beautification to make urban road and rail traffic With.Nevertheless, also needing to solve two key problems on photovoltaic noise barrier engineer application: first is that the sound absorption of photovoltaic noise barrier Design problem guarantees the intensity of photovoltaic module under the premise of not influencing translucency, inside and outside by transparent steel Change glass clamping, if directlying adopt photovoltaic module as acoustic screen screen body, sound absorption effect is poor, easily causes noise reflection； Second is that photovoltaic efficiency problem often directly replaces conventional sound barrier using photovoltaic module in order to reduce engineering cost Centre screen body so that photovoltaic module right angle setting and only outside can receive illumination, this certainly will will lead to photovoltaic module Decrease in power generation efficiency.

Utility model content

Aiming at the above defects or improvement requirements of the prior art, the utility model provides a kind of folding-jib photovoltaic noise barrier, It includes folding-jib column, photovoltaic sound separating member, connection steelframe, transparent screen body and metal sound absorption module, wherein photovoltaic sound separating member To be multiple, achieve a fixed connection down through connection steelframe with transparent screen body, fixed connect is realized by folding-jib column in two sides It connects, the top of one of photovoltaic sound separating member is equipped with metal sound absorption module, the bottom of the metal sound absorption module and photovoltaic sound Screen body is fixedly connected, and two sides are fixedly connected with folding-jib column, and transparent screen body is used among this folding-jib photovoltaic noise barrier, The visual fatigue in vehicle travel process can be effectively avoided, installing metal sound absorption module additional at the top of folding-jib photovoltaic noise barrier can Effectively promote the sound absorption effect of sound barrier entirety.To solve the above-mentioned problems, the utility model provides a kind of folding-jib photovoltaic Sound barrier, including folding-jib column, photovoltaic sound separating member, connection steelframe and transparent screen body, wherein the photovoltaic sound separating member wherein two Side is achieved a fixed connection by the connection steelframe and the transparent screen body, and in addition both sides are realized solid by the folding-jib column Fixed connection, the top of the photovoltaic sound separating member are equipped with metal sound absorption module, the bottom of the metal sound absorption module with it is described Photovoltaic sound separating member is fixedly connected, and two sides are fixedly connected with the folding-jib column, and, the photovoltaic sound separating member and metal inhale every Arrangement in a certain angle between sound module.

Further, the angle between the photovoltaic sound separating member and metal sound absorption module is 120 °~150 °.

Further, the photovoltaic sound separating member is vertically arranged vertical with highway or rail traffic roadbed, the metal inhale every The direction sound module Xiang Luzhong is obliquely installed.

Further, the photovoltaic sound separating member includes photovoltaic module, microperforated panel and is set to the photovoltaic module and micro- Sealing cavity between perforated plate.

Further, the photovoltaic module includes N-type double-side cell and solar double-glass assemblies, the two sides of the N-type double-side cell Clamped by the solar double-glass assemblies.

Further, the folding-jib column includes the first column and the second column, first column and the second column Between arrangement at an angle, and the fixture between the angle and photovoltaic sound separating member and metal sound absorption module is equal.

Further, the diameter of the through-hole of the microperforated panel is 0.5~1mm, and the spacing of through-hole is 2mm~8mm.

Further, the microperforated panel with a thickness of 1mm~6mm, punching rate is 1%~15%.

Further, the sealing cavity with a thickness of 50~100mm.

Further, the photovoltaic sound separating member is multiple, and the through-hole diameter of the different photovoltaic sound separating members, through-hole spacing are equal It is different.

In general, it can obtain down the above technical solutions conceived by the present invention are compared with the prior art, Column the utility model has the advantages that

(1) the folding-jib photovoltaic noise barrier of the utility model, including folding-jib column, photovoltaic sound separating member, connection steelframe, thoroughly Bright screen body and metal sound absorption module, wherein photovoltaic sound separating member be it is multiple, down through connection steelframe and transparent screen body realize Be fixedly connected, two sides are achieved a fixed connection by folding-jib column, the top of one of photovoltaic sound separating member be equipped with metal inhale every The bottom of sound module, the metal sound absorption module is fixedly connected with photovoltaic sound separating member, and two sides are fixedly connected with folding-jib column, Transparent screen body is used among this folding-jib photovoltaic noise barrier, can effectively avoid the visual fatigue in vehicle travel process, is rolled over The sound absorption effect of sound barrier entirety can effectively be promoted by installing metal sound absorption module at the top of arm-type photovoltaic noise barrier additional.

(2) the folding-jib photovoltaic noise barrier of the utility model, in certain between photovoltaic sound separating member and metal sound absorption module Angle arrangement, which determines according to engineering actual demand, and the fixture phase between the angle and the first column and the second column Deng, the first column is vertically arranged with highway or rail traffic roadbed, the second direction column Xiang Luzhong be in tilted layout, with realize to light Volt sound separating member is fixedly connected with metal sound absorption module.

(3) the folding-jib photovoltaic noise barrier of the utility model, microperforated panel be worn on thin plate with bore dia be 0.5~ The micropore of 1mm, punching rate are generally 1%~15%, and rear portion does not fill out any suction in air layer there are certain thickness sealing cavity Sound material.Mainly air rubs sound energy consumption microperforated panel back and forth in aperture when being transmitted through using sound wave, and utilizes the big of chamber The small resonant frequency to control peak, chamber is bigger, and resonant frequency is lower, to reach good middle effect of low-frequency sound absorption.

(4) the folding-jib photovoltaic noise barrier of the utility model, inside be N-type double-side cell realize just, back two sides send out simultaneously Electricity, battery two sides are transparent grp clamping, and no matter the morning or afternoon are with sun's motion sunray incident angle Change so that the positive back side of photovoltaic noise barrier all has generating function, to improve the generating efficiency of photovoltaic noise barrier；This is practical Novel photovoltaic module realizes right angle setting using N-type double-side cell+solar double-glass assemblies, installs light additional at the top of sound barrier with traditional The structure type of volt component is compared, and the light receiving surface product of photovoltaic module is not only increased, and simplifies the structure of photovoltaic module And flow of installation, construction investment cost is reduced, industrialization is conducive to.

(5) the folding-jib photovoltaic noise barrier of the utility model, the structure type of micropunch be circular hole, square hole, it is tri-angle-holed, The through-hole of the multiple structural forms such as pentagon, hexagon, pore size, spacing arrangement can be according to actual cities highway and rails The noise situations of pipeline transportation system itself and residential block sound insulation demand determine, to realize good middle effect of low-frequency sound absorption and raising The generating efficiency of photovoltaic noise barrier is advisable.

Detailed description of the invention

Fig. 1 is a kind of three dimensional structure diagram of folding-jib photovoltaic noise barrier of the utility model embodiment；

Fig. 2 is a kind of right view of folding-jib photovoltaic noise barrier of the utility model embodiment；

Fig. 3 is the photovoltaic sound separating member structural schematic diagram of the utility model embodiment；

Fig. 4 is the photovoltaic noise barrier photovoltaic module power generation schematic diagram of the utility model one embodiment；

Fig. 5 is the photovoltaic noise barrier electricity generating principle schematic diagram of the utility model one embodiment.

In all the appended drawings, same appended drawing reference indicates identical technical characteristic, specifically: 1- folding-jib column, 2- Photovoltaic sound separating member, 21- photovoltaic module, 22- sealing cavity, 23- microperforated panel, 3- connection steelframe, 4- AC load, 5- common electrical Net merger, 6- DC load, 7- controller, 8- battery group, 9- anti-reverse charging diode, 10-DC/AC inverter, 11- transparent screen Body, 12- metal sound absorption module.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this Utility model is not used to limit the utility model.In addition, involved in the various embodiments of the present invention described below And to technical characteristic can be combined with each other as long as they do not conflict with each other.

A kind of folding-jib photovoltaic noise barrier of the utility model uses the transparent PC endurance of micropunch in terms of acoustical behavior Plate and photovoltaic module, which combine, forms the photovoltaic noise barrier screen body with sound absorption performance, so that it is guaranteed that photovoltaic noise barrier is in middle low frequency There is good sound absorption effect, while in terms of photovoltaic electrification component in range, using monocrystalline double-side cell as photovoltaic module, So that the positive back side of photovoltaic noise barrier all has generating function, to improve the generating efficiency of photovoltaic noise barrier.Specifically, conduct First core improvement of the utility model, the theory of microperforated panel soundabsorbing construction are on the basis of conventional punch hardened structure Put forward.Due to the acoustic resistance very little of conventional punch plate (penetration hole diameter is greater than 2mm), sound sucting band is very narrow.It is common to make Sound absorbent perforated structure effectively absorbs sound in a wider scope, it is necessary to fill a large amount of porous material behind in perforated plate or apply The upper higher textile fabric of acoustic resistance.But if penetration hole diameter is reduced to 1mm hereinafter, if be not required to separately to add Porous materials can also be with Increase its acoustic resistance, acoustic absorptivity significantly improves, and wide band sound absorption significantly increases, and here it is microperforated panels.In the utility model Signified microperforated panel is that the micropore for being 0.5~1mm with bore dia is worn on thin plate, and punching rate is generally 1%~15%, and rear portion is stayed Have certain thickness air layer (also referred to as sealing cavity is shown in Fig. 3), does not fill out any sound-absorbing material in air layer.Microperforated panel is mainly Air rubs sound energy consumption back and forth in aperture when being transmitted through using sound wave, and the resonant frequency at peak is controlled using the size of chamber, Chamber is bigger, and resonant frequency is lower.Studies have shown that characterization microperforated panel sound absorption characteristics acoustic absorptivity and frequency bandwidth, mainly by The acoustic mass m and acoustic resistance r of microperforated panel structure is determined.The opposite specific acoustic resistance and specific acoustic reactance of microperforated panel can respectively indicate are as follows:

In formulaD is micropunch diameter, and c is the velocity of sound in air, and t is plate thickness, and σ is microperforated panel Punching rate, μ be air kinematic coefficient of viscosity, ω is angular speed.For non-metallic plates, μ=1.56 × 10^-6m/s², For metal plate, since the coefficient of heat conduction is bigger, air in tube harmomegathus should be regarded as constant temperature process not for adiabatic process, It therefore should be plus the coefficient of temperature conductivity ν in air, with+μ=3.56 × 10 ν in μ^-6m/s²Instead of.

It is the sealing cavity of D that depth is stayed after microperforated panel, i.e. composition resonance sound-absorbing structure, and acoustic absorptivity can be according to the following formula It calculates:

θ is the angle in sound wave incident direction and plate face normal direction, x=ω m cos θ-ctg (ω D cos θ/c) in formula. Therefore, according to the sound absorption principle of microperforated panel, low-frequency range interior suction sound insulation property is promoted in realization；Using the transparent PC of micropunch Force-bearing plate and photovoltaic module, which combine, forms the photovoltaic noise barrier module with sound absorption performance.

It is further improved as the utility model, photovoltaic noise barrier electricity generating principle is as follows: Fig. 5 is photovoltaic noise barrier base Present principles figure, wherein entire power generation output loop includes photovoltaic module 21, AC load 4, public electric wire net merger 5, DC load 6, controller 7, battery group 8, anti-reverse charging diode 9 and DC/AC inverter 10, achievable three kinds of working method packets It includes:

(1) Xiang Zhiliu street lamp or ornament lamp are independently-powered: photovoltaic module is connected through anti-reverse charging diode from conducting wire to electric power storage The charging of pond group, via controller are directly powered to DC load.

(2) power to AC load: photovoltaic module is connected through anti-reverse charging diode from conducting wire to battery charging, through controlling Device processed, DC/AC inverter directly power converting direct-current power into alternating-current power to AC load.

(3) public electric wire net generates electricity by way of merging two or more grid systems: photovoltaic module is connected by conducting wire through anti-reverse charging diode, will be straight by gird-connected inverter Galvanic electricity is converted into alternating current, and is transported to public electric wire net, and realization is generated electricity by way of merging two or more grid systems.It is the most normal with (2) and (3) kind working method at present See.

As shown in Figure 1, 2, which includes folding-jib column 1, photovoltaic sound separating member 2, connection steelframe 3, transparent screen Body 11 and metal sound absorption module 12, wherein photovoltaic sound separating member 2 be it is multiple, down through connection steelframe 3 and transparent screen body 11 It achieves a fixed connection, two sides are achieved a fixed connection by folding-jib column 1, and the top of one of photovoltaic sound separating member 2 is equipped with gold Belong to sound absorption module 12, the bottom of the metal sound absorption module 12 is fixedly connected with photovoltaic sound separating member 2, and two sides and folding-jib are vertical Column 1 is fixedly connected.Transparent screen body is used among this folding-jib photovoltaic noise barrier, can effectively be avoided in vehicle travel process Visual fatigue, folding-jib photovoltaic noise barrier top, which installs metal sound absorption module additional, can effectively promote the sound absorption effect of sound barrier entirety Fruit.

It preferably, should as shown in Figure 1-3, arrangement in a certain angle between photovoltaic sound separating member 2 and metal sound absorption module 12 Angle determines according to engineering actual demand, for example can be 120 °~150 °, and photovoltaic sound separating member 2 is vertically arranged and highway or track Traffic roadbed is vertical, and 12 direction Xiang Luzhong of metal sound absorption module is obliquely installed, and on the one hand the barrier of vehicle noise is made in enhancing With, while increasing the receiving area of photovoltaic sound separating member and sunlight.

Preferably, photovoltaic sound separating member 2 including photovoltaic module 21, microperforated panel 23 and is set to photovoltaic module 21 and micropunch Sealing cavity 22 between plate 23.Microperforated panel 23 is that the micropore for being 0.5~1mm with bore dia is worn on thin plate, with a thickness of 1mm~6mm, spacing are 2mm~8mm, and punching rate is 1%~15%, and there are certain thickness air layers, i.e. sealing cavity at rear portion 22, and sealing cavity 22 with a thickness of 50~100mm.This folding-jib photovoltaic noise barrier is inhaled by photovoltaic sound separating member 2 and metal On the one hand arrangement in a certain angle between sound insulation module 12 enhances the barrier action to vehicle noise, while increasing photovoltaic sound-screen The receiving area of body and sunlight improves the generating efficiency of photovoltaic noise barrier, and photovoltaic noise barrier screen body uses micropunch Plate and photovoltaic module, which combine, forms the photovoltaic noise barrier screen body with sound absorption performance, it is ensured that photovoltaic noise barrier is in middle low-frequency range It is interior that there is good sound absorption effect.

As shown in Fig. 2, folding-jib column 1 includes the first column 101 and the second column 102, the first column 101 and second is vertical Arrangement at an angle between column 102, and the fixture phase between the angle and photovoltaic sound separating member 2 and metal sound absorption module 12 Deng as shown in Figure 2, the first column 101 is vertically arranged with highway or rail traffic roadbed, 102 direction Xiang Luzhong of the second column It is in tilted layout, to realize being fixedly connected to photovoltaic sound separating member 2 and metal sound absorption module 12.

Fig. 3 is the photovoltaic noise barrier photovoltaic module power generation schematic diagram of the utility model one embodiment, in the utility model Preferred embodiment in, photovoltaic module 21 use N-type double-side cell+solar double-glass assemblies.As shown in figure 3, N-type double-side assembly is more conventional Single sided assemblies have a clear superiority in sound barrier right angle setting: first, it is internal be N-type double-side cell realize just, back Two sides generates electricity simultaneously, and battery two sides are transparent grp clamping, and no matter the morning or afternoon are with sun's motion sunlight The change of line incident angle, so that the positive back side of photovoltaic noise barrier all has generating function, to improve the power generation of photovoltaic noise barrier Efficiency, and traditional single sided assemblies generate electricity in the morning, just stopped power generation to afternoon, generating effect is relatively low；This reality Right angle setting is realized using N-type double-side cell+solar double-glass assemblies with novel photovoltaic module 21, is added at the top of sound barrier with traditional The structure type of dress photovoltaic module is compared, and the light receiving surface product of photovoltaic module is not only increased, and simplifies photovoltaic module Structure and flow of installation reduce construction investment cost, are conducive to industrialization.

In the preferred embodiment of the utility model, the structure type of micropunch is circular hole, square hole, tri-angle-holed, five sides The through-hole of the multiple structural forms such as shape, hexagon, pore size, spacing arrangement can be handed over according to actual cities highway and track The noise situations of way system itself and residential block sound insulation demand determine, to realize good middle effect of low-frequency sound absorption and improve photovoltaic The generating efficiency of sound barrier is advisable.

As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not For limiting the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change Into etc., it should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of folding-jib photovoltaic noise barrier, which is characterized in that including folding-jib column (1), photovoltaic sound separating member (2), connection steel Frame (3) and transparent screen body (11), wherein the photovoltaic sound separating member (2) wherein both sides by the connection steelframe (3) with it is described Bright screen body (11) achieves a fixed connection, and in addition both sides are achieved a fixed connection by the folding-jib column (1), the photovoltaic sound-screen The top of body (2) is equipped with metal sound absorption module (12), the bottom of the metal sound absorption module (12) and the photovoltaic sound-screen Body (2) is fixedly connected, and two sides are fixedly connected with the folding-jib column (1), and, the photovoltaic sound separating member (2) and metal are inhaled Arrangement in a certain angle between sound insulation module (12).

2. a kind of folding-jib photovoltaic noise barrier according to claim 1, which is characterized in that the photovoltaic sound separating member (2) with Angle between metal sound absorption module (12) is 120 °~150 °.

3. a kind of folding-jib photovoltaic noise barrier according to claim 1 or 2, which is characterized in that the photovoltaic sound separating member (2) It is vertically arranged vertical with highway or rail traffic roadbed, metal sound absorption module (12) direction Xiang Luzhong is obliquely installed.

4. a kind of folding-jib photovoltaic noise barrier according to claim 1, which is characterized in that photovoltaic sound separating member (2) packet Include photovoltaic module (21), microperforated panel (23) and the sealing sky being set between the photovoltaic module (21) and microperforated panel (23) Chamber (22).

5. a kind of folding-jib photovoltaic noise barrier according to claim 4, which is characterized in that the photovoltaic module (21) includes The two sides of N-type double-side cell and solar double-glass assemblies, the N-type double-side cell are clamped by the solar double-glass assemblies.

6. a kind of folding-jib photovoltaic noise barrier according to claim 1, which is characterized in that folding-jib column (1) packet The first column (101) and the second column (102) are included, is in certain angle between first column (101) and the second column (102) Degree arrangement, and the fixture between the angle and photovoltaic sound separating member (2) and metal sound absorption module (12) is equal.

7. a kind of folding-jib photovoltaic noise barrier according to claim 4, which is characterized in that the microperforated panel (23) is led to The diameter in hole is 0.5~1mm, and the spacing of through-hole is 2mm~8mm.

8. a kind of folding-jib photovoltaic noise barrier according to claim 4, which is characterized in that the thickness of the microperforated panel (23) Degree is 1mm~6mm, and punching rate is 1%~15%.

9. a kind of folding-jib photovoltaic noise barrier according to claim 4, which is characterized in that the sealing cavity with a thickness of 50~100mm.

10. a kind of folding-jib photovoltaic noise barrier according to claim 1 or 2, which is characterized in that the photovoltaic sound separating member (2) to be multiple, the through-hole diameter of the different photovoltaic sound separating members (2), through-hole spacing are different.