KR100801390B1 - A noise reducer formed rib - Google Patents

A noise reducer formed rib Download PDF

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Publication number
KR100801390B1
KR100801390B1 KR1020060084929A KR20060084929A KR100801390B1 KR 100801390 B1 KR100801390 B1 KR 100801390B1 KR 1020060084929 A KR1020060084929 A KR 1020060084929A KR 20060084929 A KR20060084929 A KR 20060084929A KR 100801390 B1 KR100801390 B1 KR 100801390B1
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South Korea
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diffraction
noise
members
soundproof wall
noise reducer
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KR1020060084929A
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Korean (ko)
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이근식
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이근식
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0094—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic constructions for generation of phase shifting
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general

Abstract

A projection type noise reducer is provided to absorb noise energy effectively by widening the contact area with vertical projections of anti-diffraction members, to heighten noise absorbing efficiency by forming vertical projections and auxiliary projections on anti-diffraction members, and to be manufactured and installed easily. A projection type noise reducer installed to the top of a soundproofed wall to cut off the noise diffracted and transferred to the rear of the soundproofed wall is formed by fixing a frame member(200) to the top of a soundproofed wall(100), and coupling anti-diffraction members(300) having vertical projections(320) formed continuously in a longitudinal direction of the soundproofed wall to the outside of the frame member at regular intervals, wherein a sound insulating member(400) is installed to the inside of the anti-diffraction member to cut off noise and auxiliary members(410,420) are installed to the inside of the anti-diffraction member to secure structural safety, stoppers(210) are formed on the inside of the frame member to fix to the top of the soundproofed wall easily, one or more auxiliary projections are formed on the outside of vertical projections formed on the anti-diffraction member to improve an anti-diffraction function, sound absorbing members are inserted to a space among the auxiliary projections and a fixing plate of the anti-diffraction member to improve sound absorbing efficiency, a sound absorbing member is formed to the inside of the anti-diffraction member to improve noise absorbing efficiency, and a prevention net is formed to prevent impurities from remaining in a gap between the anti-diffraction members.

Description

돌기형 소음감소기{A NOISE REDUCER FORMED RIB}Projection Noise Reduction Machine {A NOISE REDUCER FORMED RIB}

도 1은 본 발명에 제1실시예에 따른 돌기형 소음감소기의 사시도,1 is a perspective view of a protrusion type noise reducer according to a first embodiment of the present invention;

도 2는 본 발명의 제1실시예에 따른 돌기형 소음감소기의 단면도,2 is a cross-sectional view of a projection type noise reducer according to a first embodiment of the present invention;

도 3는 본 발명에 제2실시예에 따른 돌기형 소음감소기의 단면도,3 is a cross-sectional view of a projection type noise reducer according to a second embodiment of the present invention;

도 4는 본 발명에 제3실시예에 따른 돌기형 소음감소기의 단면도,4 is a cross-sectional view of a projection type noise reducer according to a third embodiment of the present invention;

도 5는 본 발명에 제4실시예에 따른 돌기형 소음감소기의 단면도,5 is a cross-sectional view of a projection type noise reducer according to a fourth embodiment of the present invention;

도 6는 본 발명에 따른 회절방지부재의 형상을 나타내는 상세도,6 is a detailed view showing the shape of the diffraction preventing member according to the present invention;

도 7는 본 발명에 따른 회절방지부재의 또다른 형상을 나타내는 상세도,7 is a detailed view showing another shape of the diffraction preventing member according to the present invention;

도 8은 본 발명에 따른 회절방지부재에 흡음재를 구비한 상세도Figure 8 is a detailed view having a sound absorbing material in the anti-diffraction member according to the present invention

〈도면의 주요부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>

100: 방음벽 200: 프레임부재100: soundproof wall 200: frame member

300: 회절방지부재 400: 차음부재300: diffraction preventing member 400: sound insulating member

500: 흡음재 600: 방지망500: sound absorbing material 600: protection net

본 발명은 소음감소기에 관한 것으로서, 더욱 상세하게는 도로의 길이방향으 로 발생되는 선음원을 효과적으로 방지하기 위하여 도로상에 설치되는 방음벽의 상단부에 설치되어 방음벽으로부터 회절되어 방음벽의 배면으로 전달되는 소음을 차단하고자 하는 것으로, 방음벽의 상단부를 일정한 형상으로 감싸며 소음감소기의 단면 형상을 이루도록 하는 프레임부재와 이 프레임재의 둘레에 배치되어 회절을 방지하도록 소음의 진행방향과 수직으로 평면을 이루는 수직돌기가 한 개 이상 형성된 회절방지부재가 결합되어 소음이 넓은 접촉면적을 가진 회절방지부재에 접촉함으로서 소음에너지가 크게 감소되도록 한 것이다.The present invention relates to a noise reducer, and more particularly, in order to effectively prevent the sound source generated in the longitudinal direction of the road, the noise is installed at the upper end of the soundproof wall installed on the road and is diffracted from the soundproof wall and transmitted to the rear surface of the soundproof wall. To block the upper end of the soundproof wall in a constant shape and to form a cross-sectional shape of the noise reducer and a vertical protrusion disposed around the frame member to form a plane perpendicular to the direction of noise propagation to prevent diffraction. One or more formed diffraction preventing members are combined to contact the diffraction preventing members having a large noise contact area so that the noise energy is greatly reduced.

일반적인 소음감소기는, 그 표면이 매끈한 평면을 이루거나 평면에 구멍이 뚫려져 있은 형상으로 단순하여 소음과의 접촉면적이 작아 소음에너지가 크게 감소되지 않아 소음감소기의 기능에 대한 의구심이 생기고 있다.In general, the noise reducer has a smooth flat surface or a hole having a flat surface, so the contact area with the noise is small and the noise energy is not greatly reduced, thereby raising doubts about the function of the noise reducer.

이에 본 발명은 상기한 문제점을 해결하기 위해 안출된 것으로, 소음감소기의 회절방지 기능을 한 층더 향상시키기 위한 방안으로 소음과 보다 많은 접촉면적을 가진 부재를 소음의 진행방향을 따라 배치하여 소음에너지를 크게 소산시키는 것이다.Accordingly, the present invention has been made to solve the above problems, in order to further improve the anti-diffraction function of the noise reducer, by placing a member having a larger contact area with the noise along the direction of the noise noise energy To dissipate greatly.

또한, 보다 많은 공극을 형성하도록 하여 소음에 대한 흡음율을 높이는 것이다.In addition, by forming more voids to increase the sound absorption rate against the noise.

또한, 소음감소기의 제작 및 설치를 더욱 용이하게 하는 것이 목적이다.It is also an object to make the production and installation of a noise reducer easier.

방음벽의 상단부에 설치하여 방음벽의 배면으로 회절되어 전달되는 소음을 차단하고자 설치하는 소음감소기에 있어서, 방음벽의 상단부를 일정한 형상으로 감싸는 프레임부재에 고정판과 상기 고정판에서 밀실하게 돌출되어 제공되는 판형의 수직돌기가 방음벽의 길이방향으로 연속성을 가지며 형성되는 회절방지부재가 한 개 이상 결합하며, 상기 회절방지부재 내측에는 판형의 차음벽이 형성되어 방음벽의 길이방향으로 연속되는 차음부재가 구비되는 것을 특징으로 한다.In the noise reducer installed in the upper end of the soundproof wall to block the noise diffracted and transmitted to the rear surface of the soundproof wall, a vertical plate-shaped vertically protruding from the fixed plate and the fixed plate to the frame member that surrounds the upper end of the soundproof wall in a predetermined shape One or more diffraction preventing members are formed, wherein the protrusions have continuity in the longitudinal direction of the soundproof wall, and a plate-shaped soundproof wall is formed inside the diffraction preventing member, so that the soundproof member is continuous in the longitudinal direction of the soundproof wall. .

또한, 상기 회절방지부재에 형성되는 수직돌기의 외측 단부에 절곡된 형상의 보조돌기가 한 개 이상 형성되는 것을 특징으로 한다.In addition, at least one auxiliary protrusion of a shape bent at the outer end of the vertical protrusion formed on the diffraction preventing member is formed.

삭제delete

또한, 상기 회절방지부재 내측에 흡음재가 구비되는 것을 특징으로 한다.In addition, a sound absorbing material is provided inside the diffraction preventing member.

이하, 본 발명에 따른 돌기형 소음감소기의 구성을 첨부된 도면을 참조로 하여 상세히 설명한다.Hereinafter, the configuration of the protrusion type noise reducer according to the present invention will be described in detail with reference to the accompanying drawings.

도 1은 일반적인 도로상에서 발생되는 선음원에 대처하기 위하여 돌기형 소음가소기가 방음벽의 상단부에 설치되어 도로의 길이방향을 따라 배치되어 있는 것을 나타낸다.1 is a projection type silencer is installed in the upper end of the soundproof wall to cope with the sound source generated on a general road is shown along the longitudinal direction of the road.

도 2 및 도 6, 도 7의 도시에서, 방음벽(100)의 상단부에 프레임부재(200)가 일정한 형상으로 형성되어 고정되고, 프레임부재(200)의 외측에는 방음벽의 길이방향으로 연속성을 가지는 회절방지부재(300)가 프레임부재(200)의 둘레를 따라 일정한 간격으로 결합 되도록 한 것이다. 여기서, 상기 회절방지부재(300)는 프레임부재(200)에 나사나 리벳과 같은 고정재료로 쉽게 결합이 가능하도록 프레임부재(200)의 표면과 면으로 접촉되는 판형의 고정판(310)과 상기 고정판(310)에서 밀실한 형태로 돌출된 수직돌기(320)로 구성되며 상기 고정판(310)과 수직돌기(320)로 구성된 회절방지부재(300)가 방음벽의 길이방향을 따라 종방향으로 길게 형성된다. 그리고, 상기 프레임부재(200)는 상기 회절방재부재(300)를 결합하는 고정판결합부(201)와 고정판결합부(201)의 하부에 위치하며 프레임부재(200)가 방음벽 상단에 쉽게 고정될 수 있도록 연결 부재 역할을 하는 받침부(202)로 구분되는데, 상기 고정판결합부(201)는 소음감소기가 일정한 형상을 가질 수 있도록 형상화되고 방음벽 길이방향을 따라 일정한 간격으로 배치되어 상기 회절방지부재(300)의 고정판(310)이 결합되어 받침부(202)에 결합 되고, 상기 받침부(202)는 고정부재(220)에 의해 방음벽 상단부와 결합 될 수 있도록 방음벽 골조와 호형을 이루며 종방향으로 연속되게 형성되어 방음벽 상단부와 결합된다.
또한, 상기 회절방지부재(300)의 내측에는 소음을 차단할 수 있도록 판형으로 형성되며 방음벽의 길이방향으로 연속되는 차음부재(400)를 구비하며, 소음감소기의 구조적인 안전성을 위해 보조부재(410,420)가 형성될 수 있다.
또한, 방음벽 상단부에 용이하게 고정하기 위하여 프레임부재(200)의 내측에는 스토퍼(210)가 형성될 수도 있다.2, 6, and 7, the frame member 200 is fixed to the upper end of the soundproof wall 100 in a predetermined shape, and the diffraction having the continuity in the longitudinal direction of the soundproof wall outside the frame member 200. Preventing member 300 is to be coupled at regular intervals along the circumference of the frame member 200. Here, the diffraction preventing member 300 is a plate-shaped fixing plate 310 and the fixing plate in contact with the surface and the surface of the frame member 200 to be easily coupled to the frame member 200, such as screws or rivets fixed material. Comprising a vertical projection 320 protruding in a closed form at 310 and the diffraction preventing member 300 consisting of the fixed plate 310 and the vertical projection 320 is formed long in the longitudinal direction along the longitudinal direction of the soundproof wall. . In addition, the frame member 200 is positioned below the fixed plate coupling portion 201 and the fixed plate coupling portion 201 for coupling the diffractive disaster prevention member 300 and the frame member 200 can be easily fixed to the top of the soundproof wall. It is divided into a supporting portion 202 to serve as a connecting member, the fixed plate coupling portion 201 is shaped so that the noise reducer has a predetermined shape and is arranged at regular intervals along the soundproof wall longitudinal direction the diffraction preventing member 300 ) Is fixed to the support plate 310 is coupled to the support 202, the support 202 is formed in an arc shape with the soundproof wall frame to be coupled to the upper end of the soundproof wall by the fixing member 220 to be continuous in the longitudinal direction It is formed and combined with the upper end of the soundproof wall.
In addition, the inner side of the diffraction preventing member 300 is formed in a plate shape to block the noise and is provided with a sound insulating member 400 continuous in the longitudinal direction of the soundproof wall, the auxiliary member (410, 420) for the structural safety of the noise reducer ) May be formed.
In addition, a stopper 210 may be formed inside the frame member 200 in order to easily fix the soundproof wall upper end.

도 3에서, 상기 회절방지부재(300)에 형성되는 수직돌기(310)의 외측 단부에 절곡된 형상의 보조돌기(330,340)가 한 개 이상 형성되도록 하여 회절방지 기능을 향상시킬 수 있도록 한 것이다.
또한, 도 8에서, 흡음율을 향상시키기 위하여 보조돌기(330,340)와 고정판(310)의 사이의 공간에 흡음재(510,520)를 끼워 배치하는 것도 가능하다.In FIG. 3, one or more auxiliary protrusions 330 and 340 that are bent at the outer end of the vertical protrusion 310 formed on the diffraction preventing member 300 may be formed to improve the anti diffraction function.
In addition, in FIG. 8, the sound absorbing materials 510 and 520 may be sandwiched and disposed in the space between the auxiliary protrusions 330 and 340 and the fixing plate 310 in order to improve sound absorption.

도 4는, 상기 회절방지부재(300) 내측에 흡음재(500)가 구비되어 소음흡수 기능을 더욱 향상시키도록 한 것이다.4 is provided with a sound absorbing material 500 inside the diffraction preventing member 300 to further improve the noise absorption function.

도 5는 상기 회절방지부재(300)의 간극 사이로 이물질이 잔류되는 것을 방지하기 위한 방지망(600)을 구비한 것이다.FIG. 5 is provided with a guard net 600 for preventing foreign matter from remaining between the gaps of the diffraction preventing member 300.

본 발명에 의한 돌기형 소음감소기는,Protruding noise reduction device according to the present invention,

첫째, 회절방지부재에 형성된 수직돌기의 넓은 접촉면적에 의해 소음에너지 가 크게 소산된다.First, the noise energy is greatly dissipated by the large contact area of the vertical projection formed on the diffraction preventing member.

둘째, 회절방지부재에 수직돌기 단부에 형성된 보조돌기에 의해 소음을 흡수할 수 있는 공극이 크게 발생되어 소음감소기의 흡음율이 크게 향상된다.Second, air gaps are absorbed by the auxiliary protrusions formed at the end of the vertical protrusions on the diffraction preventing member, thereby greatly improving sound absorption of the noise reducer.

세째, 차음부재의 효과적인 배치에 의해 배면이로 유출되는 소음이 차단된다.Third, the noise flowing out to the back is blocked by the effective arrangement of the sound insulation member.

네째, 프레임부재와 회절방지부재의 간단한 조합에 의해서도 소음감소기가 성립할 수 있으므로 제작 및 시공이 매우 간단하게 된다.Fourth, since a noise reducer can be established by a simple combination of the frame member and the diffraction preventing member, the fabrication and construction are very simple.

Claims (4)

방음벽의 상단부에 설치하여 방음벽의 배면으로 회절되어 전달되는 소음을 차단하고자 설치하는 소음감소기에 있어서, 방음벽의 상단부를 일정한 형상으로 감싸는 프레임부재에 고정판과 상기 고정판에서 밀실하게 돌출되어 제공되는 판형의 수직돌기가 방음벽의 길이방향으로 연속성을 가지며 형성되는 회절방지부재가 한 개 이상 결합하며, 상기 회절방지부재 내측에는 판형의 차음벽이 형성되어 방음벽의 길이방향으로 연속되는 차음부재가 구비되는 것을 특징으로 하는 돌기형 소음감소기.In the noise reducer installed in the upper end of the soundproof wall to block the noise diffracted and transmitted to the rear surface of the soundproof wall, a vertical plate-shaped vertically protruding from the fixed plate and the fixed plate to the frame member that surrounds the upper end of the soundproof wall in a predetermined shape One or more diffraction preventing members are formed, wherein the protrusions have continuity in the longitudinal direction of the soundproof wall, and a plate-shaped soundproof wall is formed inside the diffraction preventing member so that the soundproof member is provided in the longitudinal direction of the soundproof wall. Protruding noise reducer. 제 1 항에 있어서,The method of claim 1, 상기 회절방지부재에 형성되는 수직돌기의 외측 단부에 절곡된 형상의 보조돌기가 한 개 이상 형성되는 것을 특징으로 하는 돌기형 소음감소기. Protruding noise reducer, characterized in that at least one auxiliary protrusion of the shape bent to the outer end of the vertical projection formed in the diffraction preventing member. 삭제delete 제 1 항에 있어서,The method of claim 1, 상기 회절방지부재 내측에 흡음재가 구비되는 것을 특징으로 하는 돌기형 소음감소기. Protruding noise reducer, characterized in that the sound absorbing material is provided inside the diffraction preventing member.
KR1020060084929A 2006-09-05 2006-09-05 A noise reducer formed rib KR100801390B1 (en)

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CN109112982A (en) * 2018-09-29 2019-01-01 哈尔滨工业大学 Enhance diffraction type sound barrier top denoising device
CN109137766A (en) * 2018-09-29 2019-01-04 哈尔滨工业大学 Asymmetric enhances diffraction type sound barrier top denoising device

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CN109112982A (en) * 2018-09-29 2019-01-01 哈尔滨工业大学 Enhance diffraction type sound barrier top denoising device
CN109137766A (en) * 2018-09-29 2019-01-04 哈尔滨工业大学 Asymmetric enhances diffraction type sound barrier top denoising device

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