Soundproof room constituting unit and soundproof room construction method

Abstract

To provide a soundproof room constituting unit and a soundproof room construction method which can construct a soundproof room into a size according to an existing building at a site, by a simple method.SOLUTION: A soundproof room constituting unit (1) is for installation on at least one of a wall part, a ceiling part, and a floor part that constitute a room of a building. The soundproof room constituting unit (1) includes a sound absorption panel (20), which is arranged along at least one of the wall part, the ceiling part, and the floor part and contains a sound absorption material, and a pair of frame members (30) that hold both ends of the sound absorption panel. A plurality of slits (25 and 35), which can be cut and are formed at predetermined intervals, are formed in at least one of the sound absorption panel (20) and the pair of frame members (30).SELECTED DRAWING: Figure 3

Description

Technical Field

[0001] The present invention relates to a soundproof room construction unit and a method for constructing a soundproof room, and more particularly to a soundproof room construction unit and a method for constructing a soundproof room for installation on at least one of a wall portion, a ceiling portion, and a floor portion that constitute a room in an existing building.

Background Art

[0002] Conventionally, as a technique for converting a room in an existing building into a soundproof room, a unit-type soundproof room in which a surface material containing a sound-absorbing material is installed along the shape of the room is known. Examples of such unit-type soundproof rooms include a method of preparing a plurality of members with predetermined dimensions and selecting members with less dead space, and a method of cutting at the installation site according to the size of the room.

[0003] Examples of those disclosing such unit-type soundproof rooms include Patent Document 1 (Japanese Patent Application Laid-Open No. 11-247471) and Patent Document 2 (Japanese Utility Model Application Laid-Open No. 6-56381). Patent Document 1 discloses a method of manufacturing a soundproof room by simple construction of a corner frame member having an L-shaped cross section, an intermediate column member having a T-shaped cross section, and a sound-absorbing panel. Patent Document 2 discloses a method of inserting and removing panels of a predetermined size in order to change the size of the soundproof room.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Patent Document 2

Summary of the Invention

Problems to be Solved by the Invention

[0005] Since the soundproof room of the above Patent Document 1 is composed of a simple structure including a corner frame member, an intermediate column member, and a sound-absorbing panel, it can be assembled flexibly according to the on-site situation. However, since it needs to be constructed on-site, skilled techniques of workers are required. In addition, for the soundproof room of the above Patent Document 2, it is necessary to lay panels of a predetermined size according to the size of the room. Depending on the size of the room, the number of parts increases, and the construction is time-consuming.

[0006] The present invention has been made to solve the above problems, and its object is to provide a soundproof room construction unit and a soundproof room construction method that can be constructed in a size suitable for an existing building on-site by a simple method.

Means for Solving the Problems

[0007] A soundproof room construction unit according to an aspect of the present invention is a soundproof room construction unit for installation on at least one of a wall portion, a ceiling portion, and a floor portion that constitute a room of a building. It includes a sound-absorbing panel arranged along at least one of the wall portion, the ceiling portion, and the floor portion and containing a sound-absorbing material, and a pair of frame members that hold both ends of the sound-absorbing panel. At least one of the sound-absorbing panel and the pair of frame members is formed with a plurality of slits that are cuttable and formed at a predetermined interval.

[0008] Preferably, it further includes a support member that supports both ends of the sound-absorbing panel.

[0009] Preferably, the width of the slit is 2 mm or less.

[0010] Preferably, the interval between the plurality of slits is 100 mm or more and 200 mm or less, and they are provided at equal intervals.

[0011] Preferably, the sound-absorbing panel includes a sound-absorbing material body containing a sound-absorbing material and a surface material laminated on the sound-absorbing material body, and the slit is formed in the surface material.

[0012] Preferably, the slits are in a grid pattern and include horizontal slits extending in the horizontal direction and vertical slits orthogonal to the horizontal slits.

[0013] Preferably, the facing material of the sound-absorbing panel includes a first facing material and a second facing material laminated on the first facing material and located on the sound-absorbing material side, and the slit penetrates the first facing material and reaches the second facing material.

[0014] A method for constructing a soundproof room according to another aspect of the present invention is a method for constructing a soundproof room for installation on at least one of a wall portion, a ceiling portion, and a floor portion constituting a room in a building. In the method, a step of comparing either one of the size of the room, a sound-absorbing panel including a sound-absorbing material and having slits formed at predetermined intervals, and a pair of frame members that hold both ends of the sound-absorbing panel and have slits formed at predetermined intervals; a step of cutting at least one of the sound-absorbing panel and the frame members with the slits according to the size of the building; and a step of fixing the sound-absorbing panel and the pair of frame members to at least one of the wall portion, the ceiling portion, and the floor portion.

Effect of the Invention

[0015] According to the present invention, it can be constructed in a size adapted to an existing building on site by a simple method.

Brief Description of the Drawings

[0016]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Figure 10

Embodiments for Carrying out the Invention

[0017] Embodiments of the present invention will be described in detail with reference to the drawings. In the drawings, the same or corresponding parts are denoted by the same reference numerals and their description will not be repeated.

[0018] <Schematic Configuration> The soundproof room configuration unit of the present embodiment is for converting one room of an existing building into a soundproof room. Prior to the description of the soundproof room configuration unit of the present embodiment, first, one room of the building will be described. FIG. 1 is a diagram showing an example in which the soundproof room configuration unit according to the embodiment of the present invention is arranged in a part of the room.

[0019] The building in which the soundproof room configuration unit is installed is typically a detached house or an apartment house, etc., but may be an office building in which, for example, a music classroom, a karaoke room, etc. are installed. For example, the building basically has a plurality of rooms, but in FIG. 1, only one room 100 is shown.

[0020] The room 100 includes a wall portion 101 surrounding the four sides, a ceiling portion 102 located above the wall portion 101, and a floor portion 103 located below the ceiling portion 102. A window portion 104 is provided in one wall portion 101, and an air conditioner 106 is attached. A light 105 is attached to the ceiling portion 102.

[0021] In the chamber 100 of FIG. 1, a soundproof chamber configuration unit 2 is partially installed, and the wall portion 101, ceiling portion 102, and floor portion 103 of the chamber 100 are shown in a state where they are exposed to the indoor space. Also, on the left wall portion 101 on the paper surface, the soundproof chamber configuration unit 2 is installed on substantially its entire surface, and for easy understanding, a state where a part of its sound absorption panel 111 floats is shown. The wall portion 101 at the central part on the paper surface is shown in a state where only the columnar support member 10 for attaching the sound absorption panel 111 is installed. Further, on the right wall portion 101 on the paper surface, a plurality of support members 10 are installed, and a state where the sound absorption panel 112 attached around the air conditioner 106 floats is shown.

[0022] In the ceiling portion 102, a soundproof chamber configuration unit 120 is installed in a part thereof, a plurality of beam-shaped support members 116 are spanned between the wall portions 101, and a state where a part of its sound absorption panel 121 floats is shown. Further, a state where the sound absorption panel 122 surrounding the light 105 floats is shown. On the floor portion 103, a soundproof chamber configuration unit 130 is installed on substantially its entire surface, and a state where a part of its sound absorption panel 113 floats is shown.

[0023] Thus, the soundproof chamber configuration units 2, 120, 130 are installed along the wall portion 101, ceiling portion 102, and floor portion 103 of the chamber 100. In the following description, the soundproof chamber configuration unit 2 installed on the wall portion 101 will be taken as an example for explanation.

[0024] <Soundproof Chamber Configuration Unit> Referring to FIGS. 2 to 10, the soundproof room configuration unit according to the present embodiment will be described. FIG. 2 is a cross-sectional view showing the soundproof room configuration unit according to the embodiment of the present invention, and FIG. 3 is an exploded perspective view of the soundproof room configuration unit. FIGS. 4 to 6 are views showing a part of the soundproof room configuration unit in an enlarged manner. FIG. 7 is an exploded perspective view of the sound absorption panel, FIG. 8 is a perspective view of the horizontal frame member, and FIG. 9 is a perspective view of the upper frame member. FIG. 10 is a schematic diagram for explaining the sound insulation performance of the sound absorption panel. In FIG. 3, the direction indicated by arrow A1 is the vertical direction, the direction indicated by arrow A2 is the horizontal direction, the direction indicated by arrow O is the outward direction, the opposite direction is the inward direction, and the in-out direction is also referred to as the depth direction.

[0025] As shown in FIGS. 2 and 3, the soundproof room configuration unit 2 of the present embodiment is arranged along the wall portion 101. The soundproof room configuration unit 2 includes a pair of support members 10, a sound absorption panel 20 arranged between the pair of support members 10, a pair of horizontal frame members 30, and an upper frame member 40. Note that an outer wall material 101a may be attached to the surface of the wall portion 101 on the outdoor (outward) side.

[0026] As shown in FIG. 2, the support member 10 is arranged along the wall portion 101. As shown in FIG. 1, the support member 10 is a columnar member extending vertically and is arranged between the ceiling portion 102 and the floor portion 103 of the room 100. Specifically, the support member 10 may be a tension member stretching between the ceiling portion 102 and the floor portion 103.

[0027] As shown in FIG. 3, the support member 10 includes a pair of rod-shaped members 11 arranged at intervals in the depth direction, and a connecting member 12 arranged between the pair of rod-shaped members. The support member 10 is preferably formed of, for example, wood. The support member 10 only needs to extend vertically along the extending direction of the wall portion 101, does not need to be in close contact with the wall portion 101, and only needs to be close to the wall portion 101. The connecting member 12 has, for example, a rectangular shape and is partially arranged at intervals along the vertical direction of the rod-shaped member 11. Note that the support member 10 is not limited to this shape and may be composed of only rod-shaped members.

[0028] The sound-absorbing panel 20 is formed of a sound-absorbing material. The sound-absorbing panel 20 is disposed between a pair of support members 10. Specifically, the sound-absorbing panel 20 is a planar member and includes a sound-absorbing material body 21 and plate-shaped facing materials 22 and 23 laminated on the sound-absorbing material body 21.

[0029] The sound-absorbing material body 21 is formed of a material capable of absorbing sound, such as an inorganic fiber type or a foamed plastic type, and is typically glass wool or the like. As shown in FIG. 6, the thickness T1 of the sound-absorbing material body 21 is, for example, 40 mm or more and 60 mm or less, and is typically about 50 mm. If the thickness T1 of the sound-absorbing material body 21 is less than 40 mm, sufficient sound absorption cannot be achieved, and if the thickness T1 exceeds 60 mm, the area of the indoor space is compressed.

[0030] The facing materials 22 and 23 are members for holding the sound-absorbing material body 21 in a planar shape. The first facing material 22 is disposed on the sound-absorbing material body 21 side and is located between the sound-absorbing material body 21 and the second facing material 23 described later. The first facing material 22 is, for example, plywood or the like. The second facing material 23 is laminated on the first facing material 22 and faces the indoor space. The second facing material 23 is, for example, a gypsum board or the like. Although not shown, a sound insulation sheet may be sandwiched between the first facing material 22 and the second facing material 23. Thereby, the sound insulation effect can be improved. Further, a decorative material or the like may be attached to the second facing material 23.

[0031] As shown in FIG. 3, the sizes of the facing materials 22 and 23 in a front view are substantially the same. Further, in a front view, the facing materials 22 and 23 have substantially the same length as the sound-absorbing material body 21 in the vertical direction, but have a smaller length in the horizontal direction. The combined thickness T2 of the facing materials 22 and 23 is, for example, 20 mm or more and 30 mm or less, and since the respective thicknesses of the first facing material 22 and the second facing material 23 are substantially the same, it is about half of the thickness T2. Note that the first facing material 22 and the second facing material 23 are formed of different materials, but may be of different materials. Further, it is preferable that the combined thickness T2 of the facing materials 22 and 23 is less than or equal to half of the thickness T1 of the sound-absorbing material body 21.

[0032] As shown in Fig. 3, grid-like slits 25 are provided at predetermined intervals in the facing materials 22 and 23 of the sound-absorbing panel 20. The slits 25 are in a shape where quadrilaterals are arranged in a grid pattern and have vertical slits 26 and horizontal slits 27. The horizontal slits 27 extend in the horizontal direction, and the vertical slits 26 extend substantially perpendicular to the horizontal slits 27. As shown in Fig. 6, the interval W1 between the slits 26 and 27 is, for example, 100 mm or more and 200 mm or less, and is provided at equal intervals. Since the size of the building is designed in module units, if the interval W1 between the slits 26 and 27 is 100 mm or more and 200 mm or less, it can be adapted to the size of any building.

[0033] As shown in Fig. 6, the width W2 of the slit 25 is 2 mm or less, preferably 1 mm or less. This is because if the width W2 is 1 mm or less, the reduction in sound insulation performance can be made 2 dB or less. The sound insulation performance due to reducing the width W2 of the slit 25 will be described later. The slit 25 penetrates the second facing material 23 and reaches the first facing material 22. The depth D of the slit 25 is 3 mm or more and 10 mm or less. As described above, since the thickness T2 of the facing materials 22 and 23 is, for example, 20 mm or more and 30 mm or less, the depth D of the slit 25 is preferably 2 / 3 or more and 4 / 5 or less of the thickness T2.

[0034] As shown in Fig. 3, the frame member 30 is a horizontal frame member that supports both left and right ends of the sound-absorbing panel 20 in the horizontal direction. The horizontal frame member 30 extends vertically along the up and down direction of the sound-absorbing panel 20, but it may be provided partially. The horizontal frame member 30 is typically formed of aluminum, but may be made of, for example, steel.

[0035] As shown in Fig. 8, the horizontal frame member 30 has an uneven shape in plan view, and includes a first step portion 31, a first protruding portion 33 that protrudes rightward from one end of the first step portion 31, a second step portion 32 that is recessed leftward from the other end of the first step portion 31, and a second protruding portion 34 that protrudes rightward from the other end of the second step portion 32. These first protruding portion 33, first step portion 31, second step portion 32, and second protruding portion 34 are integrally provided and are continuously provided in this order. The protruding dimensions of the first protruding portion 33 and the second protruding portion 34 are approximately the same. Since the second step portion 32 is recessed more than the first step portion 31, the dimension of the second protruding portion 34 is larger than that of the first protruding portion 33.

[0036] As shown in Fig. 5, both ends of the sound-absorbing material main body 21 abut against the first step portion 31, and the outer side of the sound-absorbing material main body 21 abuts against the first protruding portion 33. The first step portion 31 has the same length as the sound-absorbing material main body 21 in the depth direction. Both ends of the facing materials 22 and 23 abut against the second step portion 32 in a state where they overlap, and the inner side of the second facing material 23 abuts against the second protruding portion 34. The second step portion 32 has the same length as the overlapping facing materials 22 and 23 in the depth direction. Thereby, the horizontal frame member 30 can hold both ends of the sound-absorbing panel 20. Note that the shape of the frame member 30 is not limited to this, and it may be any shape that can hold at least both ends of the facing materials 22 and 23 without holding both sides of the sound-absorbing material main body 21.

[0037] As shown in Fig. 8, slits 35 extending in the depth direction are formed on the outer surface of the horizontal frame member 30. A plurality of slits 35 are provided at equal intervals, and the interval between the slits 35 is 100 mm or more and 200 mm or less, which is substantially the same as the interval of the horizontal slits 27 formed in the sound-absorbing panel 20 described above. The vertical width of the slit 25 is also substantially the same as the horizontal slit 27 formed in the sound-absorbing panel 20 described above, and is 2 mm or less, preferably 1 mm or less.

[0038] As shown in FIG. 3, the upper frame member 40 is a member that covers the upper ends of the facing materials 22 and 23 of the sound-absorbing panel 20 laminated thereon. The upper frame member 40 extends along the left-right direction of the sound-absorbing panel 20, but may be provided partially. The upper frame member 40 is typically formed of aluminum, but may be made of, for example, steel. As shown in FIG. 9, the upper frame member 40 has a substantially downward U shape, and has a pair of vertical portions and a horizontal portion connecting the upper ends of the pair of vertical portions. A slit 45 extending in the horizontal direction is formed on the outer surface of the upper frame member 40. A plurality of slits 45 are provided at equal intervals, and the interval between the slits 45 is 100 mm or more and 200 mm or less, which is substantially the same interval as the vertical slit 26 of the sound-absorbing panel 20 and the slit 35 of the horizontal frame member 30 described above, and is 2 mm or less, preferably 1 mm or less. Although not shown, a lower frame member that covers the lower end of the sound-absorbing panel 20 may be provided. The lower frame member has substantially the same shape as the above-described upper frame member 40 inverted, and has an upwardly facing substantially U shape.

[0039] <Regarding the sound insulation performance of the slit> Next, the sound insulation performance of the slit 25 of the sound-absorbing panel 20 will be described in detail. The following numerical values are merely examples and are not limited to these values.

[0040] When plywood and gypsum board are laminated as in this embodiment to form a sample with a size of 1 m 2 and compared with a sample of the same shape with "slits with a width of 5 mm" arranged in a grid pattern at intervals of 100 mm, the amount of decrease in the sound insulation performance of the sample with slits with a width of 5 mm compared to the sample without slits was 5.5 dB.

[0041] On the other hand, when plywood and gypsum board are overlapped to form a 1 m 2When comparing a sample sized as such with a sample of the same shape having "slits with a width of 1 mm" arranged in a grid pattern at intervals of 100 mm, the amount of reduction in sound insulation performance of the sample with slits having a width of 1 mm with respect to the sample without slits is 1.9 dB. Thus, when comparing a sample with a slit width of 5 mm and a sample with a slit width of 1 mm, the amount of reduction in sound insulation performance of the sample with a slit width of 1 mm is much less.

[0042] Generally, if the amount of reduction in sound insulation performance is 2 dB or less, it is said to be within the allowable range of reduction in sound insulation performance. Also, as a human perception, if the reduction in sound insulation performance is about 2 dB, there is almost no physical sensation that the sound can be heard. Therefore, the slits 25, 35, 45 of the sound absorption panel 20 and the frame members 30, 40 of the present embodiment are 2 mm or less, preferably 1 mm or less.

[0043] FIG. 10 shows a schematic diagram for showing the performance of sound. The wavelength with a narrow wave amplitude is high frequency HF and is "high pitch". On the other hand, the wavelength with a wide wave amplitude is low frequency LW and is "low pitch". Generally, in a soundproof room, the sound insulation performance of "low pitch" often becomes an issue. By making the width dimension of the slit 25 of the sound absorption panel 20 of the present embodiment 2 mm or less, it is difficult for the low frequency LW with a wide wavelength to enter into the slit 25. Therefore, although the soundproof room configuration unit 2 of the present embodiment is provided with a plurality of slits 25, 35, 45, since the width of the slits is 2 mm or less, it is less likely to lead to a reduction in sound insulation performance regarding the "low pitch" which is generally an issue in a soundproof room.

[0044] The soundproof room configuration unit 2 of the present embodiment can be cut with a cutting tool such as a saw or a cutter in accordance with the slits 25, 35, 45 of the sound absorption panel 20 and the frame members 30, 40. Therefore, it can be constructed in a size adapted to the shape of the building on site by a simple method. Also, since the width of the slit 25 is 2 mm or less, a reduction in sound insulation performance can be prevented. Further, since the width of the slit 25 is 100 mm or more and 200 mm or less, it is possible to change the size in accordance with the module of the building.

[0045] <Soundproof room construction method> Referring to FIG. 3, the construction method of the soundproof room will be described. In the present embodiment, a method of constructing the soundproof room unit 2 with respect to the wall portion 101 will be described.

[0046] First, a pair of support members 10 are installed at a predetermined interval with respect to the wall portion 101. Specifically, since the support member 10 has a strut shape, it is strung between the ceiling portion 102 and the floor portion 103. Although at least a pair of support members 10 are provided, it is preferable to arrange a plurality of them as shown in FIG. 1. Also, it is preferable that the interval between the pair of support members 10 is made larger than at least the size of the sound absorption panel 20.

[0047] Next, the dimensions between the pair of support members 10 are measured, the dimensions of the sound absorption panel 20 and the frame members 30 and 40 are measured, and the respective dimensions are compared. When the lateral length of the sound absorption panel 20 is smaller than the lateral length between the pair of support members 10, the surplus portion is cut in the vertical direction along the vertical slit 26, and the upper frame member 40 is cut along the slit 45 of the upper frame member 40. Also, when the longitudinal length of the sound absorption panel 20 is smaller than the lateral length between the pair of support members 10, the sound absorption panel 20 is cut in the vertical direction along the vertical slit 26, and the upper frame member 40 is cut along the slit 45 of the upper frame member 40.

[0048] When cutting the sound absorption panel 20, the horizontal frame member 30, and the upper frame member 40 along the slits 25, 35, and 45, it is preferable to use a cutting tool such as a saw or a cutter. The slits 25, 35, and 45 serve as both the cutting locations and guides for cutting. After cutting each member, a pair of horizontal frame members 30 are attached to both ends of the sound absorption panel 20, the upper frame member 40 is attached to the upper end thereof, and a lower frame member (not shown) is attached to the lower end thereof. Although the illustration of the lower frame member is omitted, it can be cut in the same procedure as the upper frame member 40.

[0049] Finally, as shown by the arrows in Fig. 3, the sound-absorbing panel 20 with the frame members 30 and 40 attached is sandwiched between the pair of support members 10 installed on the wall portion 101. Specifically, as shown in Fig. 4, the horizontal frame member 30 is arranged to abut between the pair of support members 10. Although not shown in the figure, the horizontal frame member 30 and the support member 10 are fixed with bolts. Although the illustration of the lower frame member is omitted, the lower frame member is constructed in the same procedure as the upper frame member 40.

[0050] In the construction method of the soundproof room of the present embodiment, it can be cut at the slits 25, 35, and 45 at arbitrary positions according to the size of the wall portion 101 of the building. As described above, the slits 25, 35, and 45 are cutting positions and serve as marks for cutting. Therefore, skilled techniques are not required, and the soundproof room can be constructed by a simple method. Furthermore, since it is composed only of the support member 10, the sound-absorbing panel 20, and the frame members 30 and 40, the number of parts can be reduced.

[0051] <Modification Example> In the above embodiment, the slits 25, 35, and 45 are provided in the sound-absorbing panel 20, the pair of frame members 30, and the upper frame member 40, respectively, but it is sufficient if it is formed in at least any one of them. Also, regarding the sound-absorbing panel 20, although the slit 25 is provided in a lattice pattern, it is sufficient if either the horizontal slit 27 or the vertical slit 26 is provided.

[0052] The soundproof room configuration unit 2 of the present embodiment has been described as installing the sound-absorbing panel 20 with the frame member 30 attached between the pair of support members 10, but the support member 10 is not an essential configuration, and it is sufficient if it includes at least the sound-absorbing panel 20 and the frame member 30.

[0053] The above-described soundproof room configuration unit 2 has been mainly described with reference to the wall portion 101 of the building. However, as shown in FIG. 1, it is installed on the ceiling portion 102 or the floor portion 103. For example, the sound-absorbing panel installed on the floor portion 103 is laminated with a gypsum board, a soundproof mat, and a gypsum board in this order from the floor portion 103 side, and the surface is finished with a tile carpet. The soundproof mat serves as a sound-absorbing material. The gypsum board arranged on the indoor side is provided with slits from the indoor side.

[0054] Horizontal members 110 are installed above and below the window portion 104 shown in FIG. 1, and the horizontal members 110 are spanned between the support members 10 arranged at both ends of the window portion 104. Although not shown, horizontal members that are paired with the horizontal members 110 may also be installed on the ceiling portion 102 side and the floor portion 103 side of the horizontal members 110. By using such horizontal members 110, the soundproof room configuration unit can also be installed above and below the window portion 104. Since the position of the window portion 104 varies depending on the building, the soundproof room configuration unit of the present embodiment is preferably adopted around the window portion 104. Further, as shown in the figure, it is preferably adopted for portions where the size changes finely depending on the building, such as the sound-absorbing panel 112 around the air conditioner 106 and the sound-absorbing panel 122 around the light 105.

[0055] The embodiments disclosed this time should be considered as illustrative in all respects and not restrictive. The scope of the present invention is shown not by the above description but by the claims, and it is intended that all modifications within the meaning and scope equivalent to the claims are included.

Explanation of Reference Numerals

[0056] 2 Soundproof room configuration unit, 10 Support member, 20 Sound-absorbing panel, 21 Sound-absorbing material main body, 22 First facing material, 23 Second facing material, 25 Slit, 26 Vertical slit, 27 Horizontal slit , 30 horizontal frame member, 35 slit, 40 upper frame member, 45 slit, 100 room, 101 wall portion, 102 ceiling portion, 103 floor portion, 111, 112, 113 sound absorption panel, 116 support member, 121, 122 sound absorption panel, 120, 130 soundproof room construction unit.

Claims

1. In a soundproof room construction unit for installation on at least one of a wall portion, a ceiling portion, and a floor portion constituting a room in a building, a sound-absorbing panel arranged along at least one of the wall portion, the ceiling portion, and the floor portion and containing a sound-absorbing material; and a pair of frame members holding both ends of the sound-absorbing panel, wherein at least one of the sound-absorbing panel and the pair of frame members has a plurality of slits formed therein that are cuttable and formed at predetermined intervals, the soundproof room construction unit.

2. The soundproof room construction unit according to claim 1, further comprising a support member arranged along at least one of the wall portion, the ceiling portion, and the floor portion and supporting both ends of the sound-absorbing panel.

3. The soundproof room construction unit according to claim 1 or 2, wherein the width of the slit is 2 mm or less.

4. The soundproof room construction unit according to claim 1 or 2, wherein the interval between the plurality of slits is 100 mm or more and 200 mm or less and is provided at equal intervals.

5. The sound-absorbing panel includes a sound-absorbing material main body containing the sound-absorbing material and a surface material laminated on the sound-absorbing material main body, and the slit is formed in the surface material, the soundproof room construction unit according to claim 1 or 2.

6. The soundproof room construction unit according to claim 1 or 2, wherein the slit is in a lattice shape and includes a horizontal slit extending in the horizontal direction and a vertical slit orthogonal to the horizontal slit.

7. The surface material of the sound-absorbing panel includes a first surface material and a second surface material laminated on the first surface material and located on the sound-absorbing material side, and the slit penetrates the first surface material and reaches the second surface material, the soundproof room construction unit according to claim 1 or 2.

8. In a construction method of a soundproof room for installation on at least one of a wall portion, a ceiling portion, and a floor portion constituting a room in a building, a step of comparing the size of the room with either one of a sound-absorbing panel containing a sound-absorbing material and having slits formed at predetermined intervals and a pair of frame members holding both ends of the sound-absorbing panel and having slits formed at predetermined intervals; and a step of cutting at least one of the sound-absorbing panel and the frame members with the slit according to the size of the building. A construction method of a soundproof room, comprising a step of fixing the sound absorption panel and the pair of frame members to at least one of the wall portion, the ceiling portion, and the floor portion.

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