KR100472529B1 - Noise protection block and noise protection wall using the block - Google Patents

Abstract

PURPOSE: A soundproof block and a soundproof wall using the soundproof block are provided to insulate and absorb vibration and noise, and to extend a life span of the soundproof block by forming a resonance space between a sound absorbing member and a main frame and mounting a rubber pad on a ground. CONSTITUTION: A soundproof wall(100) is composed of guide posts(110), soundproof blocks(130) and a rubber pad(120). The soundproof block is assembled between the guide posts installed at a roadside or around a railroad side, and composed of an empty case opening both sides and a sound absorbing material installed in the cylindrical case. A side of the case is curved, and the soundproof block is composed of a finishing lid(148) combined with both opening sides of the case. The case comprises a main frame and a first curved plate installed in the front of the main frame and curved.

Description

Soundproof block and soundproof wall using it {NOISE PROTECTION BLOCK AND NOISE PROTECTION WALL USING THE BLOCK}

The present invention relates to a soundproof block and a soundproof wall using the same.

With the diversification of transportation means and the increase of traffic volume along with the development of industry, and the expansion of social infrastructure (roads, railways, airports), people living around roads, airports, railways, schools, apartments, etc. The vehicles are suffering a lot from their noise. Such noise pollution is a side effect of civilization's selfishness, and it is a big grievance for urban residents living in modern life, and it is becoming a factor of various civil complaints.

Therefore, when designing social infrastructures such as roads in developed countries as well as in developed countries, noise standards of less than a certain level are proposed in residential or specific areas, and the Ministry of Environment has established such standards in Korea.

Thus, various types of soundproof walls are installed, and conventionally used soundproof walls are soundproof walls using aluminum panels. The existing aluminum soundproof walls are formed with a foundation for erecting the struts, and struts are erected at regular intervals on the foundation. In addition, a multi-layered aluminum panel is installed between the support post and the support post. The aluminum panel is formed with a plurality of holes at regular intervals.

Such a conventional aluminum soundproof wall has a flat surface, which has a sound insulation effect that reflects the noise generated on the road, but the sound absorption effect is insignificant, making it difficult to completely block the noise generated on the road. Due to the large reflection of noise, if a certain amount of noise occurs, the soundproofing effect is lowered. In addition, since the soundproof wall is made of a simple wall shape, there is insufficient point to improve the aesthetics. In addition, assembling the aluminum panel has a disadvantage in that it takes a long time to assemble by using a rivet or a bolt and the like, such that the bolt head is exposed in appearance.

The present invention is to solve such a conventional problem, the object is to more effectively block the noise of the road, as well as a new type of soundproof block excellent sound absorption effect that can prevent the spread of noise and soundproof walls using the same To provide.

In order to achieve the above technical problem, the soundproof block of the present invention has a case where the inside is empty and both ends are open; And a sound absorbing material embedded in the cylindrical case; At least one side of the case is formed to have a predetermined radius of curvature.

According to this embodiment, the soundproof block further includes a closing lid coupled to each of the open both ends of the case.

According to this embodiment, the case and the main frame; And a first curved plate formed on a front surface of the main frame and formed of a curved surface, wherein the main frame has a fitting groove in which a fitting protrusion at the top and a protrusion at the bottom thereof are fitted for coupling with a case adjacent to each other. The first curved plate has a first fixing part to which it is fixed.

Sound insulation wall of the present invention is guide posts are installed on the ground at equal intervals; It includes a soundproof block is installed between the guide posts; The soundproof block may include: a case having a hollow interior and at least one side thereof having a predetermined radius of curvature; Sound absorbing material embedded in the cylindrical case; And a closing lid coupled to both ends of the case and fitted to the guide post.

According to this embodiment, the case and the main frame; And a first curved plate formed on a front surface of the main frame and formed of a curved surface, wherein the main frame has a fitting groove in which a fitting protrusion at the top and a protrusion at the bottom thereof are fitted for coupling with a case adjacent to each other. The first curved plate has a first fixing part to which it is fixed.

According to the present embodiment, the soundproof wall further includes a rubber pad installed between the ground and the soundproof block to block the noise between the soundproof block and the ground and the vibration transmitted from the ground to the soundproof block; The rubber pad has a fitting protrusion fitted to a fitting groove of the case on an upper surface thereof, and a curved surface having the same radius of curvature as the bottom surface of the case.

According to the present embodiment, the main frame is made of a panel whose rear surface is flat.

According to this embodiment, the case is made of a cylindrical overall shape; The rear surface of the main frame further includes a second curved plate having the same curved surface as the first curved plate and installed to correspond to the first curved plate, the main frame is a second curved plate fixed to the rear It includes 2 fixed government.

According to this embodiment, the sound absorbing material is made of a C-shaped block having the same radius of curvature as the first curved plate or the second curved plate, a resonance space is formed between the sound absorbing material and the main frame.

According to the present embodiment, the first and second fixing parts comprise an arch slot in which the first curved plate or the second curved plate is fitted from the side and has the same radius of curvature as the first curved plate or the second curved plate.

According to this embodiment, the closing lid includes a fitting portion fitted to the guide posts; The fitting portions are in surface contact with the fitting portions of the soundproof blocks neighboring each other for load distribution.

The soundproof block of the present invention has an advantage of improving the sound absorption rate of the noise by forming a large surface area of the soundproof block in which the noise collides.

For example, the embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be construed as being limited by the embodiments described below. These examples are provided to more fully explain the present invention to those skilled in the art. Accordingly, the shape of the elements in the drawings and the like are exaggerated to emphasize a clearer description.

Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS. 1 to 9. In addition, in the drawings, the same reference numerals are denoted together for components that perform the same function.

1 is a perspective view showing a soundproof wall according to an embodiment of the present invention, FIG. 2 is a plan view of a soundproof wall according to an embodiment of the present invention, and FIG. 3 is a cross-sectional view taken along line a-a shown in FIG.

4 and 5 are a perspective view and an exploded perspective view showing the soundproof block shown in FIG.

1 to 5, the soundproof wall 100 of the present invention includes guide posts 110, a soundproof block 130, and a rubber pad 120.

The guide posts 110 are vertically installed at a predetermined interval on the concrete ground 101 to form a basic skeleton of the soundproof wall. H guide steel (H beam) or C shape may be used as the guide post 110.

The sound insulation blocks 130 are stacked and installed in multiple stages between the guide posts 110.

The sound insulation block 130 is formed in a cylindrical shape as a whole, in order to form a wider surface area in contact with the noise than the general plate type sound insulation plate, there is a structural feature. Looking at the soundproof block in detail, as shown in FIGS. 3 to 5 of the cylindrical case 132 having an empty inside, the sound absorbing material 146 embedded in the cylindrical case 132 and the cylindrical case 132 It is largely divided into a closing lid 148 coupled to both sides. The cylindrical case 132 includes a main frame 134 forming a skeleton, and first and second curved plates 140 and 142 coupled to the front and rear surfaces of the main frame 134, respectively.

The main frame has a fitting protrusion 136 at the top, the fitting groove 138 is formed at the bottom, the arch plate is fitted in the front and rear, respectively, from the portion where the fitting protrusion 136 and the fitting groove 138 is formed. The fixing part 139 in which the slot 139a is formed is formed. The slot is formed in an arcuate shape having the same curvature as the curved plate, so that the curved plate cannot be fitted in front of the main frame 134, and is assembled by sliding engagement in the lateral direction. As such, the curved plates 140 and 142 may not be easily separated after being assembled, but may also be foolish by not assembling using a separate fastener (rivet or bolt). (For example, a conventional soundproof plate is assembled using rivets or bolts.) And the center of the main frame 134 is formed with a hollow tube 135 in the longitudinal direction, which is applied to the load applied in the longitudinal direction It is formed for load reinforcement to withstand it.

The sound absorbing material 146 is formed of C-shaped blocks having the same curvature radius on the inner surfaces of the first and second curved plates 140 and 1420. The sound absorbing material 146 and the main frame 134 The resonance block 134a is formed as described above.The soundproof block 130 is absorbed by the sound absorbing material 146 mounted on the inner surface of the curved plate and is repeated in the resonance space 134a therein. Noise is attenuated by resonance, and in particular, the soundproof block 130 of the present invention has a resonance space 134a in which the inside and the rear are separated by the main frame 134, so that the propagation of the noise. It is blocked to obtain a more effective soundproofing effect, and the hollow tube 135 is formed between the resonance space is more excellent the effect of blocking the noise propagation.

The closing lid 148 has a fitting portion 149 fitted to the guide posts 110. The fitting portion 149 is in surface contact with the fitting portion of the soundproof block 130 stacked up and down can obtain a load distribution effect.

On the other hand, the rubber pad 120 is between the ground block and the sound block to block the noise and the vibration transmitted to the sound block 130 from the ground sound block 130 and the ground 101 Is installed. The rubber pad 120 has a fitting radius 122 that fits into the fitting groove 138 of the soundproof block and the same radius of curvature as the bottom surface of the case 132 to stably support the soundproof block from the ground. It has a curved surface 124 formed.

6 to 9 show other embodiments of the sound insulation block.

6 to 9 have a case 132, a sound absorbing material 136 and a closing lid 148 having the same configuration and function as the soundproof block 130 according to the first embodiment shown in FIG. Since the description thereof has been described in detail above, this embodiment will be omitted.

In the modified soundproof block 130a shown in FIG. 6, the case 132 is formed in a semi-cylindrical shape so as to soundproof only the front surface thereof. The case 132 includes a main frame 134 forming a skeleton and a first curved plate 140 coupled to the front surface of the main frame 134. The main frame 134 has a fitting protrusion 136 at an upper end, and a fitting groove 138 is formed at a lower end of the main frame 134, and the first curved plate is located in front of the main frame 134 at a portion where the fitting protrusion 136 and the fitting groove 138 are formed. A fixing portion 139 is formed with an arcuate slot 139a into which the 140 is fitted. The main frame 134 includes a flat panel 141 on the rear surface.

As described above, the soundproof wall 100 of the present invention has a double-sided soundproof block 130 that is double soundproofed at each of the front and rear surfaces shown in FIG. 2 or one side soundproof block 130a that is soundproofed only at the front surface shown in FIG. 6. Optionally available.

The soundproof block 130b shown in FIG. 7 forms a plurality of hemispherical protrusions 140a to widen the surface area of the first curved plate 140 and the second curved plate 142, or the soundproof block illustrated in FIG. 8. As in block 130c, a plurality of hemispherical grooves 140b may be formed on the surfaces of the first curved plate 140 and the second curved plate 142. Of course, these sound insulation blocks may alternately form a plurality of hemispherical protrusions and grooves or through holes on the surfaces of the first curved plate and the second curved plate, and the protrusions or grooves may be formed in the longitudinal direction. It may be formed long. In addition, the sound insulation block 130d illustrated in FIG. 9 may manufacture the first curved plate 140 ′ and the second curved plate 142 ′ in an ellipse in order to form an ellipse in the shape of the case.

On the other hand, in the present invention, the soundproof block and the soundproof wall made of the above configuration can be variously modified and can take various forms. It is to be understood, however, that the present invention is not limited to the specific forms referred to in the above description, but rather includes all modifications, equivalents and substitutions within the spirit and scope of the invention as defined by the appended claims. It should be understood to do.

In the above, the configuration and operation of the soundproof block according to the present invention and the soundproof wall using the same are shown in accordance with the above description and the drawings, which are merely described, for example, and various changes and modifications without departing from the technical spirit of the present invention. Of course, change is possible.

Applying the present invention as described above, it is possible to obtain a foolish appearance by not assembling using a separate fastener (rivet, bolt). In addition, a resonance space is formed between the sound absorbing material and the main frame, so that the sound is absorbed by the sound absorbing material and the noise is attenuated by the repetitive resonance in the internal resonance space. In addition, by installing rubber pads on the ground, the noise attenuation effect leaked between the ground (concrete ground) and the soundproof block, the separation of the soundproof block and the vibration transmitted from the ground are prevented and absorbed to extend the safety and life of the soundproof block. It can be effected.

1 is a perspective view showing a sound barrier according to an embodiment of the present invention;

2 is a plan view of a sound barrier according to an embodiment of the present invention;

3 is a cross-sectional view taken along the line a-a shown in FIG. 2;

4 and 5 are a perspective view and an exploded perspective view showing the soundproof block shown in FIG.

6 to 9 are cross-sectional views showing other embodiments of the soundproof block.

* Explanation of symbols for the main parts of the drawings

110: guide post

120: rubber pad

130: soundproof block

132: case

134: main frame

136: fitting

138: fitting groove

140: first curved plate

142: second curved plate

146: sound absorbing material

148: closing lid

Claims (19)

In soundproof blocks assembled between guide posts installed on the roadside or railroad side: A case which is empty inside and which is open at both ends; And It includes a sound absorbing material embedded in the inside of the cylindrical case; At least one side of the case is a soundproof block, characterized in that formed to have a predetermined radius of curvature. The method of claim 1, The soundproof block is Soundproof block further comprises a closing lid coupled to each of the open both ends of the case. The method of claim 1, The case is Main frame; A first curved plate formed on a front surface of the main frame and formed of a curved surface, The main frame is a soundproof block having a fitting protrusion in the upper portion and a fitting groove in which the protrusion is fitted in the upper portion and a first fixing part to which the first curved plate is fixed, for coupling with neighboring cases. The method of claim 3, The main frame is a soundproof block, characterized in that the rear panel is made of a flat. The method of claim 3, The case is The overall shape is cylindrical; The rear surface of the main frame further comprises a second curved plate having the same curved surface as the first curved plate and installed to correspond to the first curved plate, The main frame is a sound insulation block further comprises a second fixing part which is fixed to the second curved plate on the back. The method of claim 3, The main frame is a sound insulation block further comprises a hollow hollow tube to withstand the load applied in the longitudinal direction. The method of claim 5, The sound absorbing material is a sound block comprising a C-shaped block having the same radius of curvature as the first curved plate or the second curved plate, the resonance space is formed between the sound absorbing material and the main frame. The method of claim 5, The first and second fixing parts are soundproof blocks comprising an arch slot into which the first curved plate or the second curved plate is fitted from the side and having the same radius of curvature as the first curved plate or the second curved plate. The method of claim 5, The first curved plate or the second curved plate comprises a plurality of hemispherical protrusions and grooves on the surface. The method of claim 5, The first curved plate or the second curved plate is characterized in that the through-holes are formed on the surface. The method of claim 1, The closing lid includes a fitting portion fitted to the guide posts; The fitting portion of the soundproof block, characterized in that the surface contact with the fitting portion of the neighboring soundproof block for load distribution. For soundproof walls on roadsides or railroad tracks: Guide posts installed on the ground at equal intervals; It includes a soundproof block is installed between the guide posts; The soundproof block is A case having an empty interior and at least one side formed to have a predetermined radius of curvature; Sound absorbing material embedded in the cylindrical case; And Soundproof wall, characterized in that it comprises a closing lid coupled to both ends of the case and fitted to the guide post. The method of claim 12, The case is Main frame; A first curved plate formed on a front surface of the main frame and formed of a curved surface, The main frame has a soundproof wall having a fitting protrusion at the top and a fitting groove into which the protrusion can be fitted at the top, and a first fixing part to which the first curved plate is fixed, for coupling with neighboring cases. The method of claim 13, The soundproof wall is And a rubber pad installed between the ground block and the soundproof block to block leakage noise between the soundproof block and the ground and vibration transmitted from the ground to the soundproof block; The rubber pad is a soundproof wall, characterized in that the upper surface has a fitting projection which is fitted to the fitting groove of the case, and a curved surface having the same radius of curvature as the bottom surface of the case. The method of claim 13, The main frame is a soundproof block, characterized in that the rear panel is made of a flat. The method of claim 13, The case is The overall shape is cylindrical; The rear surface of the main frame further comprises a second curved plate having the same curved surface as the first curved plate and installed to correspond to the first curved plate, The main frame is a sound insulation block further comprises a second fixing part which is fixed to the second curved plate on the back. The method of claim 16, The sound absorbing material is a sound block comprising a C-shaped block having the same radius of curvature as the first curved plate or the second curved plate, the resonance space is formed between the sound absorbing material and the main frame. The method of claim 16, The first and second fixing parts are soundproof blocks comprising an arch slot into which the first curved plate or the second curved plate is fitted from the side and having the same radius of curvature as the first curved plate or the second curved plate. The method of claim 13, The closing lid includes a fitting portion fitted to the guide posts; The fitting portion of the soundproof block, characterized in that the surface contact with the fitting portion of the neighboring soundproof block for load distribution.