Angle-adjustable acoustic panel

Abstract

The utility model belongs to the technical field of building decoration, and particularly discloses an angle-adjustable acoustic panel which comprises a rotatable panel layer, the rotatable panel layer is composed of a plurality of panel units, the top ends of the plurality of panel units are rotatably connected with a supporting plate, the supporting plate is fixedly connected to a building wall, and the panel units are arranged on the supporting plate. The bottom ends of the plurality of panel units are rotatably connected with a motor, the motor is detachably connected to a building bottom plate, the plurality of panel units comprise first-class panels and second-class panels, the first-class panels and the second-class panels have different shapes and are arranged at intervals, and the surface layers of the first-class panels and the surface layers of the second-class panels are wrapped with sound diffusion materials. According to the utility model, the first-class panels and the second-class panels with different shapes are arranged, the MLS diffusers are wrapped, and the MLS diffusers are arranged at intervals, so that sound waves can be reflected, refracted and scattered for multiple times on the surfaces of the diffusers with different thicknesses, the linear propagation path of the sound waves is broken, and more uniform sound energy distribution is realized.

Description

Technical Field

[0001] This utility model belongs to the field of architectural decoration technology, specifically relating to an angle-adjustable acoustic panel. Background Technology

[0002] Wall sound absorption plays a crucial role in reducing indoor noise and improving the acoustic environment. By adorning the ceiling and walls with sound-absorbing materials or suspending space sound absorbers, a portion of reflected sound can be absorbed, thereby reducing the overall noise level in the room. There are various types of sound-absorbing materials, including glass wool, rock wool, and polyester fiber acoustic panels, each employing different sound absorption principles to reduce sound wave propagation. The application of sound-absorbing materials not only helps improve the indoor acoustic environment, making it quieter and more comfortable, but can also be integrated with interior design, satisfying both aesthetic needs and sound absorption / insulation functions. For example, in venues with high sound requirements such as audiovisual rooms, conference rooms, and cinemas, the design of sound-absorbing walls typically considers both aesthetics and sound absorption performance.

[0003] However, in many cases, such as theaters, in order to adapt to the acoustic requirements of different performance effects, the walls sometimes need to absorb sound and sometimes need to amplify sound. However, the existing sound-absorbing structures are functionally singular, and after decoration, they can only play a simple role in sound absorption and sound insulation. For places with strict requirements for sound quality, such as concert halls, theaters, and recording studios, effective sound wave diffusion needs to be achieved in a wider frequency range to improve the overall acoustic performance. The current variable sound-absorbing structures obviously cannot meet the requirements.

[0004] To address the issues of limited functionality and poor sound absorption and diffusion in existing sound-absorbing structures, improvements to the structure of sound-absorbing components are needed to resolve these current technical problems. Utility Model Content

[0005] The purpose of this invention is to provide an angle-adjustable acoustic panel, which achieves a more uniform sound energy distribution by setting different shapes of Class I and Class II panels.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an angle-adjustable acoustic panel, comprising a rotatable panel layer, the rotatable panel layer being composed of multiple panel units, the top of the multiple panel units being rotatably connected to a support plate, the support plate being fixedly connected to a building wall, the bottom of the multiple panel units being rotatably connected to a motor, the motor being detachably connected to a building base plate, the multiple panel units including a first type of panel and a second type of panel, the first type of panel and the second type of panel having different shapes and being spaced apart, the surface of both the first type of panel and the second type of panel being covered with a sound-diffusing material.

[0007] To better realize this utility model, the width of both the first-type and second-type panels is 320mm, the thickness is 25mm to 145mm, and the surface density is 20kg / m³. 3 .

[0008] To better realize this utility model, the panel includes two parallel first support columns, and multiple first crossbeams are connected between the two first support columns. The frame formed by the first support columns and the first crossbeams is surrounded by an MLS diffuser.

[0009] To better realize this utility model, the MLS diffuser has an irregular first reflective surface, which has multiple protrusions and notches.

[0010] To better realize this utility model, the first support column is a galvanized square tube structure, and the first crossbeam is a galvanized angle steel structure.

[0011] To better realize this utility model, the second type of panel includes two parallel second support columns, and multiple second and third crossbeams are connected between the two second support columns. The second support columns, second crossbeams and third crossbeams are wrapped with paper-faced gypsum board.

[0012] To better realize this utility model, the second support column and the second crossbeam are both galvanized square tube structures, and the third crossbeam is an arc-shaped galvanized angle steel structure.

[0013] To better realize this utility model, the paper-faced gypsum board has a second reflective surface that conforms to the arc shape of the galvanized angle steel.

[0014] Beneficial effects:

[0015] This invention controls whether sound can be transmitted to the sound-absorbing layer by controlling the opening and closing of the rotatable panel layer, thereby achieving a variable sound absorption effect. By setting different shaped first-class and second-class panels and wrapping them with MLS diffusers and arranging them at intervals, sound waves can be reflected, refracted and scattered multiple times on the surface of diffusers of different thicknesses, thereby breaking the straight propagation path of sound waves and achieving a more uniform sound energy distribution. Attached Figure Description

[0016] Figure 1 This is a longitudinal section view of the present invention;

[0017] Figure 2 This is an enlarged view of point A in this utility model;

[0018] Figure 3 This is an enlarged view of section B of this utility model;

[0019] Figure 4This is a cross-sectional view of the present invention (rotatable panel layer in open state);

[0020] Figure 5 This is a cross-sectional view of the present invention (rotatable panel layer in closed state);

[0021] Figure 6 This is a cross-sectional structural diagram of a panel of this utility model;

[0022] Figure 7 This is a structural diagram of a panel of this utility model from one viewing angle;

[0023] Figure 8 This is a structural diagram of a panel of this utility model from another viewing angle;

[0024] Figure 9 This is a cross-sectional structural diagram of the second type of panel of this utility model;

[0025] Figure 10 This is a structural diagram of the second type of panel of this utility model from one viewing angle;

[0026] Figure 11 This is a structural diagram of the second type of panel of this utility model from another viewing angle.

[0027] In the diagram: 1. Woven mesh layer; 2. Rotatable panel layer; 201. Panel unit; 202. Type I panel; 2021. First support column; 2022. First crossbeam; 2023. MLS diffuser; 2024. First reflective surface; 2025. Protrusion; 2026. Notch; 203. Type II panel; 2031. Second support column; 2032. Second crossbeam; 2033. Third crossbeam; 2034. Paper-faced gypsum board; 2035. Second reflective surface; 3. Sound-absorbing layer; 4. Support plate; 5. First support frame; 501. Vertical keel; 502. Horizontal keel; 6. Rotating shaft; 7. Motor; 8. Building wall; 9. Building floor slab; 10. Building roof slab; 11. Second support frame; 12. Metal U-shaped clamp; 13. Third support frame; 14. Fourth support frame; 15. Steel frame conversion layer. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Example

[0030] like Figure 1 - Figure 11 As shown, an angle-adjustable acoustic panel includes a woven mesh layer 1, a rotatable panel layer 2, and a sound-absorbing layer 3. The sound-absorbing layer 3 is fixedly connected to a building wall 8. The rotatable panel layer 2 is located between the woven mesh layer 1 and the sound-absorbing layer 3. A support plate 4 is detachably connected to the building wall 8. A first support frame 5 is fixedly connected between the support plate 4 and the building base plate 9. The sound-absorbing layer 3 is fixedly connected to the first support frame 5. The rotatable panel layer 2 is composed of multiple panel units 201. A rotating shaft 6 is rotatably connected to the top of each panel unit 201. The rotating shaft 6 is fixedly connected to the support plate 4. A motor 7 is detachably connected to the bottom of each panel unit 201. The motor 7 is detachably connected to the building base plate 9. The top and bottom ends of the woven mesh layer 1 are fixedly connected to the building wall 8 and the building base plate 9, respectively.

[0031] The multiple panel units 201 include a first type of panel 202 and a second type of panel 203. The first type of panel 202 and the second type of panel 203 have different shapes and are arranged at intervals. The surface of the first type of panel 202 and the second type of panel 203 are covered with a sound diffusing material.

[0032] The working principle of this utility model can be summarized as follows:

[0033] This invention controls the opening and closing of the rotatable panel layer 2 to control whether sound can be transmitted to the sound-absorbing layer 3, thereby achieving a variable sound absorption effect. Specifically, the motor 7 drives all panel units 201 to rotate, and adjacent panel units 201 change from a collinear arrangement to a parallel arrangement. At this time, sound can be transmitted from the space between adjacent panels to the sound-absorbing layer 3 and absorbed. Conversely, when the motor 7 drives all panel units 201 to rotate, adjacent panel units 201 change from a parallel arrangement to a collinear arrangement. At this time, sound is blocked when it reaches the rotatable panel layer 2 and cannot be transmitted inward, thus it cannot be absorbed. Since the panel unit 201 includes a type 1 panel 202 and a type 2 panel 203, which have different shapes and whose surfaces are both made of sound-diffusing material, sound waves can be evenly diffused in different directions, thereby improving the coverage and uniformity of the sound.

[0034] Preferably, the support plate 4 is a 40mm×20mm×2mm hot-dip galvanized flat tube structure, wrapped with 12mm cement fiberboard and then sprayed with black matte paint. Hot-dip galvanizing itself has good corrosion resistance, and spraying with black matte paint further enhances its corrosion resistance. This double protection effectively prevents oxidation and corrosion of the zinc layer, extending the service life of the flat tube structure. The black matte paint has good wear resistance, resisting scratches and wear during daily use. The matte paint reduces the addition of harmful substances during the production process, making it more environmentally friendly. This is beneficial for the indoor environment and the health of users.

[0035] Preferably, the first support frame 5 is welded from multiple vertical keels 501 and horizontal keels 502. Both the vertical and horizontal keels are U-shaped 100 light steel keels, with an arrangement spacing of 800mm. The light steel keel itself is an inorganic material, non-combustible, and has good fire resistance. The U-shaped 100 light steel keel is a lightweight material, with its own weight only about 1 / 3 of that of traditional materials, making it easy to construct and transport. It is made of high-quality steel, has high strength, can withstand large loads, and has good moisture-proof and corrosion-proof properties, and will not deform or be damaged due to moisture.

[0036] Preferably, the sound-absorbing layer 3 is 150 mm thick and has a density of 50 kg / m³. 3 The glass wool board is made of glass wool board and wrapped with black fiberglass cloth. It is fixed to the first support frame 5 with insulation nails. The glass wool board is a material with a certain degree of elasticity, which can reduce the vibration and solid sound transmitted by the building structure and absorb sound and reduce noise.

[0037] Preferably, both the first-type panel 202 and the second-type panel 203 have a width of 320 mm, a thickness of 25 mm to 145 mm, and a surface density of 20 kg / m³. 3 .

[0038] Preferably, a panel 202 includes two parallel first support columns 2021. Each first support column 2021 is a 30mm × 30mm × 3mm galvanized square tube structure. Multiple first crossbeams 2022, each a 30mm × 30mm × 3mm galvanized angle steel structure, connect the two first support columns 2021. This construction effectively increases the strength of the panel unit while minimizing its overall weight. The frame formed by the first support columns 2021 and the first crossbeams 2022 is surrounded by an MLS diffuser 2023.

[0039] Preferably, the MLS diffuser 2023 has an irregular first reflective surface 2024, which has a plurality of protrusions 2025 and recesses 2026, and the plurality of protrusions 2025 and recesses 2026 have the same width.

[0040] MLS diffusers are designed based on the Maximum Length Sequence (MLS) theory, a mathematically defined aperiodic sequence that can form unique reflection patterns. When a sound wave encounters an MLS diffuser, the different time delays of the reflected sound waves in different parts cause interference between the reflected sound waves, thus breaking the straight-line propagation path of the sound wave and achieving effective diffusion of sound energy.

[0041] The interspersed arrangement of MLS diffusers of varying thicknesses further enhances sound wave diffusion. This design allows sound waves to undergo multiple reflections, refractions, and scatterings on the surfaces of diffusers of different thicknesses, thus breaking the straight-line propagation path of sound waves and achieving a more uniform distribution of sound energy. This interspersed arrangement effectively reduces sound focusing and shadowing phenomena, preventing certain areas from being too loud or too weak, and improving the overall listening experience. Diffusers of different thicknesses exhibit different reflection and diffusion characteristics for sound waves of different frequencies. Thicker diffusers are more effective at diffusing low-frequency sound waves, while thinner diffusers are more effective at diffusing high-frequency sound waves. By interspersing diffusers of different thicknesses, effective sound wave diffusion can be achieved over a wider frequency range, thereby improving overall acoustic performance.

[0042] Preferably, the second-type panel 203 includes two parallel second support columns 2031, with multiple second crossbeams 2032 and third crossbeams 2033 connected between the two second support columns 2031. Both the second support columns 2031 and the second crossbeams 2032 are 30mm×30mm×3mm galvanized square tubing structures, and the third crossbeam 2033 is a 30mm×30mm×3mm galvanized angle steel structure. The second support columns 2031, second crossbeams 2032, and third crossbeams 2033 are wrapped with gypsum board 2034, which has an arc-shaped second reflective surface 2035 conforming to the shape of the galvanized angle steel. Gypsum board itself has certain sound insulation properties, and the arc-shaped structure can further optimize its sound insulation effect. The arc design increases the path length of sound waves during propagation, thereby reducing sound penetration and propagation, and improving sound insulation.

[0043] Preferably, the motor 7 is detachably connected to a second support frame 11, which is a galvanized angle steel frame structure of 50mm×50mm×5mm. It is detachably installed on the building base plate 9 using expansion bolts, and has the characteristics of convenient installation, good stability and high strength.

[0044] Preferably, the woven mesh layer 1 is a stainless steel woven mesh structure with a perforation rate of ≥60%, which serves to block the surface layer, achieving both sound transmission and a uniform appearance.

[0045] Preferably, metal U-shaped clips 12 are fixedly connected to both the top and bottom of the woven mesh layer 1. The metal U-shaped clips 12 at the top of the woven mesh layer 1 are detachably connected to the building wall 8 via a third support frame 13, and the metal U-shaped clips 12 at the bottom of the woven mesh are detachably connected to the building base plate 9 via a fourth support frame 14. The metal woven mesh must be installed firmly; after installation, there should be no resonance noise or metal friction noise under touch or sound wave disturbance.

[0046] Preferably, both the third support frame 13 and the fourth support frame 14 are galvanized square tube structures, which are lightweight and have high strength.

[0047] Preferably, a steel frame conversion layer 15 is fixedly connected to the top of the third support frame 13. The steel frame conversion layer 15 is fixedly connected to the building roof slab 10, which facilitates the stable connection between the sound-absorbing structure and the building.

[0048] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. An angle adjustable acoustic panel, characterized by, The application relates to a rotatable panel layer (2) which is composed of a plurality of panel units (201), the top ends of the panel units (201) are rotatably connected with support plates (4), the support plates (4) are fixedly connected with building walls (8), the bottom ends of the panel units (201) are rotatably connected with motors (7), the motors (7) are detachably connected with building bottom plates (9), the panel units (201) comprise a first type of panel (202) and a second type of panel (203), the first type of panel (202) and the second type of panel (203) have different shapes and are arranged at intervals, and the surfaces of the first type of panel (202) and the second type of panel (203) are wrapped with sound diffusion materials.

2. An angle adjustable acoustic panel according to claim 1, wherein, The width of the first type panel (202) and the second type panel (203) is 320mm, the thickness is 25mm-145mm, and the surface density is 20kg / m 3 .

3. An angle adjustable acoustic panel according to any one of claims 1-2, characterized in that, The first type of panel (202) comprises two first support columns (2021) which are arranged in parallel, a plurality of first cross beams (2022) are connected between the first support columns (2021), and the frame formed by the first support columns (2021) and the first cross beams (2022) is wrapped with an MLS diffuser (2023).

4. An angle adjustable acoustic panel according to claim 3, wherein, The MLS diffuser (2023) has irregular first reflection surfaces (2024), the first reflection surfaces (2024) have a plurality of protrusions (2025) and recesses (2026).

5. An angle adjustable acoustic panel according to claim 3, wherein, The first support columns (2021) are galvanized square tubes, and the first cross beams (2022) are galvanized angle steel structures.

6. The angle adjustable acoustic panel according to any one of claims 1-2, wherein, The second type of panel (203) comprises two second support columns (2031) which are arranged in parallel, a plurality of second cross beams (2032) and third cross beams (2033) are connected between the second support columns (2031), and the second support columns (2031), the second cross beams (2032) and the third cross beams (2033) are wrapped with paper-faced gypsum boards (2034).

7. An angle adjustable acoustic panel according to claim 6, wherein, The second support columns (2031) and the second cross beams (2032) are galvanized square tubes, and the third cross beams (2033) are arc-shaped galvanized angle steel structures.

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