KR100937479B1 - A wood slit type soundproof plate - Google Patents

Abstract

PURPOSE: A wood slit type soundproof plate is provided to improve the noise absorption efficiency by absorbing noise, and diffracting the noise at the same time. CONSTITUTION: A wood slit type soundproof plate(100) comprises frames(110), stopping members(150), a sound absorbing member(120), slits(140), slit guides(130), clips, and an interference device(200). The frames are formed in a rectangular frame shape. The stopping members block the noise. The sound absorbing member absorbs the noise flowed from the front of the frames. The slits guide the noise to the sound absorbing member. The slit guides allow the multiple slits to be inclined and attached. The clips fix the slits to the slit guides. The interference device absorbs the noise flowed into the bottom surface of the slits.

Description

Wood slit type soundproof plate

The present invention relates to a slit type soundproof plate, and more particularly, to induce interference, diffraction, and sound absorption to the sound of the slit arranged inclined up and down on the incident surface where noise is incident, and then transmitted to the sound absorbing material to the sound absorbing material. The present invention relates to a wooden slit soundproof plate having functions of noise interference, diffraction, and sound absorption to maximize the beauty effect and noise absorption effect.

In general, the soundproof wall is installed at a predetermined interval on the ground side of the roadside or the edge of the bridge at a predetermined interval and the soundproof plate is inserted between the post and the post, and the soundproof material is filled inside the soundproof plate to block and absorb the noise. Done.

That is, the conventional soundproof wall is provided with a 'H'-shaped posts arranged on the outside of the road, a soundproof plate fitted with both ends slide-fitted to both vertical guide grooves of the post, and provided inside the soundproof plate to absorb noise. It is composed of a sound absorbing material is to reflect and absorb the vehicle noise transmitted from the road.

The soundproof plate in the above simply has a sound absorbing material therein, so that the sound absorbing material absorbs the noise when the noise is introduced, and as the incident noise is directly transmitted to the sound absorbing material, the noise is not completely absorbed by the sound absorbing material, and some noise is reflected by the stable sound. It has been difficult to expect noise cuts.

In addition, although the conventional sound insulation board is a structure occupying a predetermined space outside the edge of the ground or the bridge of the road side, there is a problem that it is difficult to decorate the exterior beautifully except a simple painting method.

In order to solve this problem, the Korean Utility Model Registration No. 20-0346215 "Slit Soundproof Plate" has been presented by the applicant of the present application.

The slit soundproof plate is a rectangular frame-shaped soundproof plate frame, a blocking material for sealing the rear of the frame, a sound absorbing material inserted into the inside of the frame to absorb the noise flowing from the front of the frame, the noise is incident A plurality of slits having a plate shape which is provided in front of the frame and arranged up and down inclined to induce noise into the sound absorbing material, and the attachment surface of the slits are provided on both sides of the front of the frame so that the plurality of slits are inclinedly attached. It is composed of a slit guide cut at an angle to increase the sound insulation effect by effectively introducing the incident noise into the sound absorbing material inside the soundproof plate through the slit.

However, the slit has a limit to perform only a function of guiding the beauty of the appearance and the noise introduced into the sound absorbing material.

Accordingly, the present invention is to improve the structure of the slit-type sound insulation board which is the registration right of the applicant of the present application,

The object of the present invention,

first; A plurality of slits can absorb noise and at the same time induce interference and diffraction of the noise to enhance the effect of noise absorption.

second; The noise introduced through the slit interferes with the sound absorbing material at the same time as it passes through the sound absorbing material, and then is absorbed by the sound absorbing material so as to maximize the sound absorbing efficiency as well as reducing the thickness of the sound absorbing material.

third; When the slits are arranged, the section where the noise is introduced is directed downward and the section where the noise is reflected is upward, so that the appearance of the exterior and the noise reflected back to the road side are not transmitted.

fourth; This is to prevent the slit that is coupled to the slit guider from coming off.

The present invention to achieve the above object,

A frame having a rectangular frame shape, a blocking material for sealing the rear of the frame, a sound absorbing material inserted into the frame to absorb noise introduced from the front of the frame, and a front of the frame into which the noise is incident; A plurality of slits having a plate shape arranged inclined up and down so as to induce noise into the sound absorbing material, and the mounting surface of the slit is cut at a predetermined angle so that the plurality of slits are inclined to be attached to both sides of the front surface of the frame to cut the cut surface In the slit type soundproof board composed of a slit guide having,

Interference means are further provided so that noise introduced into the bottom of the slit can be interfered and diffracted.

The interference means may include a plurality of circular grooves arranged in a vertical direction on a bottom surface of the slit, a vertical long groove arranged in a left and right direction on a bottom surface of the slit, and a horizontal long groove arranged in a vertical direction on a bottom surface of the slit. And may be formed by mixing them.

In addition, a sheet paper having a plurality of pores is further attached to the sound absorbing material of the fiber material in any one of a circular groove, a vertical long groove, a horizontal long groove formed in the bottom of the slit and the sound absorbing body is not separated from the bottom of the slit. Can be.

In addition, the slit arranged up and down by the slit guide is arranged so as to gradually vary the inclination angle in the vertical direction relative to the middle horizontal line of the frame, the lower side around the middle horizontal line in the lower direction and The upper side may be configured by forming an inclination angle in the upward direction.

In addition, the slit and the coupling groove is formed on the outer side of the contact surface of the slit guide, respectively, and the "c" shaped clip may be fixedly coupled to the coupling groove.

In addition, on the front surface of the sound absorbing material, the solid state or hollow noise interference bar may be formed to be arranged up and down or left and right.

In addition, the noise interference bar of the hollow shape, it is possible to apply that the sound absorbing body is filled therein and a perforation formed on the surface.

Therefore, the wooden slit soundproof plate according to the present invention,

first; In addition to absorbing the plural slits inflow noise and interference and diffraction at the same time has the effect of maximizing the effect of noise absorption.

second; When the noise introduced through the slit passes through the noise interference bar through the noise interference bar, the sound is interference and diffracted at the same time, and then absorbed, thereby reducing the thickness of the sound absorbing material and maximizing sound absorption efficiency.

third; When the slits are arranged, the section in which the noise is introduced is directed downward and the section in which the noise is reflected upward is not only beautiful but also effective in preventing noise from being reflected back to the road side.

fourth; The slit to be coupled to the slit guider can be coupled to the stable and simply by the clip has the effect of greatly improving the workability.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same components have the same reference numerals as much as possible even if they are displayed on different drawings. And a detailed description of known functions and configurations that are determined to unnecessarily obscure the subject matter of the present invention will be omitted.

In the slit soundproof plate according to the present invention, both ends are fixed between the posts and the posts arranged on the road to form a soundproof wall.

1 or 2, the slit-shaped sound insulation board 100 according to the present invention, the frame 110 of the rectangular frame shape, the blocking material 150 to block the noise, and the sound absorbing material 120 to absorb the noise And, the slit 140 is arranged up and down to guide the incoming noise, the slit guide 130, the clip 300 for fixing the slit 140 to the slit guide 130, and the incoming noise It comprises a interference means 200 for interfering and absorbing.

The frame 110 forms an outer wall of the wood slit soundproofing plate 100 according to the present invention, and the slit guide 130 is provided on both sides of the front surface where noise is incident, and the slit on the slit guide 130. 140 is arranged up and down is attached and fixed by the clip 300, the sound absorbing material 120 is embedded therein. And the rear surface of the frame 110 is finished with the blocking material 150, the noise interference bar 400 is arranged in front of the sound absorbing material (120).

3 is another embodiment according to the present invention, which shows that the front and rear both sides of the frame 110 to block or absorb the noise of the front / rear by having a slit 140. Here, the sound absorbing material 120 may be configured on both sides of the blocking material 150, and the blocking material 150 may be omitted, and the slits 140 may be formed on both sides of the sound absorbing material 120. Can be installed.

The sound absorbing material 120 is a member having a general sound absorbing property used in the soundproof plate, and serves to block the noise by absorbing the noise flowing through the slit 140.

The slit guide 130 may be made of rubber or synthetic resin material as well as wood, and one side surface is inclined at a predetermined angle so that the slits 140 may be inclined up and down at a predetermined angle to cut the surface 132. To be formed is provided with one each on both sides of the front of the frame (110). In addition, the slit guide 130 may be further provided at the center of the frame 110 to increase the durability of the slit 140.

On the other hand, the slit guide 130 may be formed so that the cutting surface 132 is integrally formed using a resin material, and when the molding surface is inclined at an angle at a predetermined angle to the attachment surface of the slit 140 to the frame 110 By respectively provided on both sides of the front, it is preferable that the plurality of slits 140 are inclinedly attached.

The slit 140 is provided at the front of the frame 110 to which noise is incident, and performs a function of inducing noise to the sound absorbing material 120. Both ends are attached to the inclined surface of the slit guide 130, respectively. And are inclined up and down.

In addition, a plate-shaped member having various shapes such as trees and fruits may be attached to the surface of the slit 140 to make the appearance beautiful.

4 or 5 is to install a noise interference bar 400 in front of the sound absorbing material 120 to diffract and absorb the noise introduced into the wood slit soundproofing plate according to the present invention.

FIG. 6 shows that the slits 140 are installed on both sides of the blocking material 150, and the noise interference bars 400 are respectively installed in front of the sound absorbing material 120.

7 to 12, the slit 140 is provided with interference means 200 to partially interfere and diffract the incoming noise.

As shown in FIG. 7 or FIG. 8, the interference means 200 may be formed as a plurality of circular grooves 210 formed in a plurality of vertical grooves on the bottom of the slit 140.

The circular groove 210 may be formed by using an awl or a drill, or may be formed by a compression method when forming the slit (! 30).

In addition, as shown in FIG. 9 or FIG. 10, a plurality of vertical long grooves 220 may be formed, and the plurality of vertical long grooves 220 may be arranged on the bottom surface of the slit 140 in left and right directions.

In addition, as shown in FIG. 11 or FIG. 12, a plurality of horizontal long grooves 230 may be formed, and the plurality of horizontal long grooves 230 may be arranged on the bottom surface of the slit 140 in a vertical direction.

In addition, a circular groove 210, a vertical long groove 220, and a horizontal long groove 230 may be simultaneously mixed on the bottom of the slit 140.

Here, the circular groove 210, the vertical long groove 220, the horizontal long groove 230 is diffracted by the direction of the noise when the noise coming from the noise source so as to cause the interference to be introduced into the sound absorbing material 120. do.

In addition, the circular groove 210, the vertical long groove 220, the horizontal long groove 230 formed in the bottom surface of the slit 140 is filled with a sound absorbing body 260 made of a fiber material, the bottom of the slit 140 The sheet paper 270 having a plurality of pores may be further attached to prevent the sound absorbing body 260 from being separated.

In this case, the incoming noise may be transmitted to the sound absorbing material 120 in a state of being partially absorbed by the sound absorbing body 260.

15 is another example according to the present invention, the slit 140 is coupled to the cutting surface 132 of the slit guide 130 and arranged up and down based on the middle horizontal line of the frame 110 It is shown to be arranged to gradually vary the inclination angle.

That is, the lower side centered on the middle horizontal line and the upper side form an inclination angle in the upper direction so that the noise can be transmitted upward instead of the noise source providing area during the re-reflection of the noise introduced from the noise source. To make it work.

In addition, as shown in FIG. 13 or 14, the coupling grooves 144 and 134 are formed on the outer side of the contact surface of the slit 140 and the slit guide 130, respectively, and the coupling grooves 144 and 134. The clip 300 of the "c" shape is fixedly coupled to the slit guide 130 so that the slit 140 can be fixed simply and stably.

In addition, as shown in Figures 4 to 6, on the front surface of the sound absorbing material 120, a solid or hollow noise interference bar 400 may be arranged up and down or left and right.

The noise interference bar 400 of the hollow shape, as shown in Fig. 16 or 17 is filled with a sound absorbing body 410 therein is applied to the perforated 420 formed on the surface.

The sound absorbing body 410, a material formed with a lot of pores, such as charcoal, a multi-pronged fiber material, and the like may be applied.

This protects the sound absorbing material 120 as well as diffracts the incoming noise once again to maximize the sound absorbing effect of the sound absorbing material or the sound absorbing material 120 therein.

FIG. 18 illustrates a state in which the slit guide 130 is coupled to the frame 110 in a state where a plurality of slits 140 are coupled to the slit guide 130.

This is, a plurality of slit fitting grooves 132a are arranged up and down in an inclined state on the frame 110 attachment surface of the slit guide 130, and the slit 140 in the slit fitting grooves 132a arranged up and down. It will be seen that both ends of the can be coupled to the frame 110 in the fitted state.

In the case of assembling as described above, the slit 140 may be fixed to the slit guide 130 without attaching the slits 140 one by one, and at the same time, the slit guide 130 is fixed after the slit 140 is fixed. ) Can be assembled easily.

On the other hand, in the detailed description of the present invention has been described with reference to specific embodiments, various modifications are of course possible without departing from the scope of the invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined not only by the scope of the following claims, but also by the equivalents of the claims.

Applied to road sound barriers.

1 is an exploded perspective view of a wooden slit soundproof plate according to the present invention,

Figure 2 is a side cross-sectional view of the coupled state of FIG.

3 is a cross-sectional view showing another embodiment of FIG.

Figure 4 is an exploded perspective view of the noise interference bar added in Figure 1,

5 is a side cross-sectional view of the engaged state of FIG.

6 is a cross-sectional view showing another embodiment of FIG.

7 is a rear view of a state in which an interference means is expressed in the slit in FIGS. 1 to 6;

8 is a side cross-sectional view of FIG. 7;

9 is another embodiment of FIG. 7,

10 is a side cross-sectional view of FIG. 9;

11 is another embodiment of FIG. 7,

12 is a side cross-sectional view of FIG.

13 is an enlarged side cross-sectional view of FIG. 7;

14 is a cross-sectional view taken along the line “A-A” of FIG. 13;

15 is another embodiment of the slit of FIG.

16 is a cross-sectional view showing a noise interference bar in FIG.

17 is a cross sectional view of FIG. 16;

18 is another embodiment of the state in which the slit is coupled to the slit guide in FIG. 1 or FIG.

<Description of the symbols for the main parts of the drawings>

100: slit soundproof board

110: frame 120: sound absorbing material

130: slit guide 132: cutting surface

134: coupling groove 132a: slit fitting groove

140: slit

150: blocking material

200: interference means

210: circular groove 220: vertical long groove

230: horizontal long groove 260: sound absorbing body

270 sheet paper

300: Clip

400: noise interference bar

410: sound absorbing body 420: perforation

Claims (7)

A frame 110 having a rectangular frame shape, a blocking material 150 sealing the rear of the frame 110, and inserted into the frame 110 to absorb noise introduced from the front of the frame 110. A plurality of slits 140 having a sound absorbing material 120, a plate shape which is provided in front of the frame 110, the noise is incident to the sound absorbing material 120 is arranged to be inclined up and down, the frame 110 In the slit soundproof plate is provided with a slit guide 130, respectively provided on both sides of the front surface so that the plurality of slits 140 are inclined fixed, On the bottom of the slit 140 so that the noise flowing into the bottom of the slit 140 can be interference and diffraction, Circular grooves 210 formed in a plurality of arranged in the vertical direction Vertical long grooves 220 arranged in a left and right direction, Wood slit soundproof plate, characterized in that it comprises an interference means (200) formed by mixing any one or a plurality of horizontal long groove 230 arranged in the vertical direction. delete The method according to claim 1, The sound absorbing body 260 of the fiber material is filled in any one of the circular groove 210, the vertical long groove 220, the horizontal long groove 230 formed on the bottom of the slit 140 and the bottom surface of the slit 140 Wood slit soundproof plate, characterized in that the sound absorbing body 260 is further attached to the sheet paper 270 is formed with a plurality of pores. The method according to claim 1 or 3, The slit 140 is coupled to the cutting surface 132 formed to be inclined on the outside of the slit guide 130 or the slit fitting groove 132a formed to be inclined to the inside of the slit guide 130 and arranged up and down. (140) is arranged so as to gradually vary the inclination angle in the vertical direction based on the middle horizontal line of the frame 110, the lower side with respect to the middle horizontal line in the lower direction and the upper side inclined angle in the upper direction Wood slit soundproof board characterized by forming. delete The method according to claim 1, On the front surface of the sound absorbing material 120, Sound or interference bar 400 of the solid or hollow shape wood slit soundproof board, characterized in that arranged up and down or left and right. The method according to claim 6, The noise interference bar 400 of the hollow shape, Sound absorbing body 410 is filled therein, wood slit-type soundproof board, characterized in that the perforated 420 is formed on the surface.

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