Edge-covering decoration plate, prefabricated sound absorption plate, prefabricated sound insulation plate and assembly type wall body

Abstract

The invention provides an edge covering decoration plate, a prefabricated sound absorption plate, a prefabricated sound insulation plate and an assembly type wall body, the edge covering decoration plate is formed through tile pressing, and the production efficiency is high; meanwhile, the sound attenuation materials are filled, the edge covering decoration plates are matched with the sound attenuation materials to form the prefabricated sound absorption plates and the prefabricated sound insulation plates, the male tongue-and-groove structures and the female tongue-and-groove structures arranged on the edge covering decoration plates are more efficient and convenient in the splicing process, the tenon type connecting structures are more tightly attached, and the sound insulation effect is improved; the whole fabricated wall body is constructed to meet the rear-mounted sound insulation requirement and the mounting standard for improving the sound insulation effect; according to the invention, an efficient silencing material is adopted for sound absorption and sound insulation, so that the sound wave isolation and elimination effects are improved, the decoration is considered, and the indoor acoustic environment optimization requirements of a building are met; moreover, the installation process is simple and convenient, the sound insulation and sound absorption effects are remarkable, the construction cost is reduced, and the construction efficiency is improved.

Description

Technical Field

[0001] This application relates to the field of architectural acoustic treatment technology, and in particular to an edge-sealing panel, a prefabricated sound-absorbing panel, a prefabricated sound-insulating panel, and an assembled wall. Background Technology

[0002] In offices, commercial spaces, and educational settings where acoustic control is crucial, high-sound-insulation walls constructed from sound-insulating materials are typically installed. These walls are widely used due to their excellent sound insulation performance. Regarding installation structure, current sound-insulating materials are usually directly bonded to the existing building walls. This assembly method significantly reduces sound insulation effectiveness due to the rigid transmission of sound waves. Furthermore, there are two main installation methods: on-site installation and prefabrication. On-site installation involves constructing a framework, sequentially filling and laying the sound-insulating material, or simultaneously filling it with fire-resistant, waterproof, or other functional materials, then covering it with plasterboard and applying finishing materials such as mesh reinforcement and putty. This method is cumbersome, significantly disrupts the construction environment, has high maintenance costs, and offers limited actual sound insulation, resulting in high overall construction costs. Another prefabrication method requires prefabricating sound insulation modules of different sizes in the factory, which are then transported to the site and directly hoisted and assembled. Although this method can reduce on-site work, the modules are larger in size and weight, significantly increasing transportation and hoisting costs. Moreover, it is only suitable for new building systems and is difficult to carry out modular assembly and post-installation sound insulation retrofitting in existing buildings.

[0003] It is evident that existing technologies suffer from problems such as complex on-site construction, limited applicability, low degree of industrial prefabrication, inability to meet the requirements of modular assembly operations, and high costs. They are particularly inadequate for meeting flexible sound insulation needs such as later additions and partial modifications. Furthermore, they struggle to achieve high standards of sound insulation in locations with stringent requirements. Summary of the Invention

[0004] The purpose of this invention is to provide an edge-sealing panel, a prefabricated sound-absorbing panel, a prefabricated sound-insulating panel, and an assembled wall, which improves upon the aforementioned problems in the prior art. The edge-sealing panel is a profile covered with sound-absorbing material and can be directly used as a decorative panel. The edge-sealing panel is a prefabricated sound-absorbing panel or a prefabricated sound-insulating panel. The assembled wall can be installed with optional single-layer sound-absorbing protection and double-layer sound insulation and sound-absorbing protection, and can achieve modular and quick overall assembly, improving the sound insulation effect and reducing the overall weight.

[0005] In a first aspect, the decorative panel body formed by pressing and forming is provided in this application; the decorative panel body is a sound-absorbing decorative panel or a sound-insulating decorative panel; both the sound-absorbing decorative panel and the sound-insulating decorative panel have an assembly cavity that can be filled with sound-absorbing material; when the decorative panel body is a sound-absorbing decorative panel, a first female tongue-and-groove structure is provided on the first side of the sound-absorbing decorative panel, a first male tongue-and-groove structure is provided on the second side of the sound-absorbing decorative panel, corrugated protrusions are spaced apart along the width direction of the sound-absorbing decorative panel, and sound-absorbing holes are evenly and densely distributed on the sound-absorbing decorative panel; the first male tongue-and-groove structure between any two adjacent sound-absorbing decorative panels is inserted and connected to the corresponding first female tongue-and-groove structure; when the decorative panel body is a sound-insulating decorative panel, a second female tongue-and-groove structure is provided on the first side of the sound-insulating decorative panel, a second male tongue-and-groove structure is provided on the second side of the sound-insulating decorative panel, and the surface of the sound-insulating decorative panel is a pressed tile plane; the second male tongue-and-groove structure between any two adjacent sound-insulating decorative panels is inserted and connected to the corresponding second female tongue-and-groove structure.

[0006] The edging panel in this application provides a profiled carrier for sound-absorbing materials. It can serve as the main structure for wrapping functional materials such as sound-absorbing, sound-insulating, fireproofing, and waterproofing. Its tongue-and-groove joint structure ensures tightness during assembly and provides high sound absorption or sound insulation performance. The width can be adjusted according to the application scenario. The edging panel is formed by pressing, resulting in high production efficiency and convenient length cutting, making it suitable for installation in diverse buildings. Furthermore, the single-panel edging panel can be used as a decorative panel, offering an aesthetically pleasing appearance, easy installation, and providing support and protection for easily damaged materials such as plaster, thus extending the service life of the wall.

[0007] In one specific implementation, the first tongue-and-groove structure includes: a first protruding portion located on the upper part of the first side of the sound-absorbing decorative panel, and a first groove portion that forms a right-angle bend with the first protruding portion; wherein, the first groove portion is connected to an overlapping portion, and the width of the overlapping portion is greater than the width of the first protruding portion.

[0008] In one specific implementation, the first tongue-and-groove structure includes: a second groove located on the upper part of the second side of the sound-absorbing decorative panel, and a second protrusion bent at a right angle to the second groove; wherein the bottom of the second protrusion is bent at a right angle with a snap-edge.

[0009] In one specific implementation scheme, when the first male tongue-and-groove structure between any two adjacent sound-absorbing decorative panels is inserted into the corresponding first female tongue-and-groove structure, the second protruding part is inserted into the corresponding first recessed part, and the overlapping part receives the second protruding part; the first protruding part is inserted into the corresponding second recessed part.

[0010] Secondly, a prefabricated sound-absorbing panel includes: a sound-absorbing decorative panel and a multilayer sound-absorbing material filling and wrapping the assembly cavity of the sound-absorbing decorative panel; the first side of the sound-absorbing decorative panel is provided with a first female tongue-and-groove structure, the second side of the sound-absorbing decorative panel is provided with a first male tongue-and-groove structure, the sound-absorbing decorative panel is provided with corrugated protrusions spaced apart along the width direction, and the sound-absorbing decorative panel is uniformly provided with sound-absorbing holes; wherein, the prefabricated sound-absorbing panel is provided with: a microporous sound-absorbing surface layer and a multilayer sound-absorbing material stacked together along the sound wave injection direction; the microporous sound-absorbing layer includes: a sound-absorbing refraction groove formed by multiple corrugated protrusions of the sound-absorbing decorative panel, and a sound-absorbing perforated surface layer formed by multiple sound-absorbing holes distributed on the sound-absorbing decorative panel; the permeability of the multiple sound-absorbing holes is 5% to 50%; the protrusion refraction height of the corrugated protrusions is 0.3mm to 1mm; the multilayer sound-absorbing material is in sound wave communication with the microporous sound-absorbing surface layer, and the prefabricated sound-absorbing panel has a sound absorption coefficient within a set range.

[0011] In this application, sound-absorbing panels are used as the main wrapping material. The prefabricated sound-absorbing panels have densely distributed sound-absorbing holes that absorb sound waves, and the corrugated protrusions form sound-absorbing refraction grooves to ensure that the sound waves stay in the sound-absorbing panels for a longer time. At the same time, the sound waves undergo multiple layers of attenuation and refraction as they pass through multiple layers of sound-absorbing materials, achieving a high sound absorption effect. A small amount of residual sound waves bounce off the main frame (building body or connecting frame), and the sound-absorbing refraction layer refracts them through tiny holes to the porous material layer for complete attenuation. The overall installation adopts a quick-connection method using male and female tongue and groove joints. The tight connection method achieves a comprehensive sound absorption effect. The length of the prefabricated sound-absorbing panels can be arbitrarily cut, and the width can be extended and adjusted. The multi-layer structure further enhances the sound absorption effect, while the regular structural design is suitable for interior display and decoration scenarios.

[0012] In one specific implementation scheme, the first male tongue-and-groove structure between any two adjacent prefabricated sound-absorbing panels is plugged into the corresponding first female tongue-and-groove structure.

[0013] In one specific implementation, the sound-absorbing decorative panel is a metal plate or an injection-molded plate; wherein, when the sound-absorbing decorative panel is a metal plate, multiple sound-absorbing holes are formed by machine pressing and multiple corrugated protrusions are formed by pressing.

[0014] In one specific implementation scheme, when the sound-absorbing decorative panel is a metal plate, the sound-absorbing decorative panel is any one of stainless steel, aluminum plate, galvanized plate, steel plate, copper plate, and titanium plate.

[0015] In one specific implementation, the multilayer sound-absorbing material comprises at least three layers.

[0016] In one specific implementation scheme, when the multilayer sound-absorbing material has three layers, the three layers of sound-absorbing material are a sound-absorbing cloth layer whose layer order can be arbitrarily arranged, a porous material layer, and a sound-absorbing and refractive layer.

[0017] In one specific implementation, the sound-absorbing cloth layer is any one of polyester fiber sound-absorbing cloth, glass fiber coated cloth, polypropylene sound-absorbing cloth, and nylon sound-absorbing cloth; the porous material layer is any one of glass wool, rock wool, and polyester fiber sound-absorbing cotton; and the sound-absorbing and refractive layer is a silicon crystal sand layer.

[0018] In one specific implementation scheme, the prefabricated sound-absorbing panel has a sound absorption coefficient within a set range of 0.5a to 1a; wherein, when the sound wave is 500 Hz, the sound absorption coefficient of the prefabricated sound-absorbing panel is 0.95a; and when the sound wave is 1000 Hz, the sound absorption coefficient of the prefabricated sound-absorbing panel is 0.9a.

[0019] Thirdly, a prefabricated sound insulation panel includes: a sound insulation decorative panel and a multi-layer sound insulation material filling and wrapping the assembly cavity of the sound insulation decorative panel; a second female tongue-and-groove structure is provided on the first side of the sound insulation decorative panel, a second male tongue-and-groove structure is provided on the second side of the sound insulation decorative panel, and the surface of the sound insulation decorative panel is a flat tile surface; wherein, the prefabricated sound insulation panel is provided with: a sound insulation panel layer and a multi-layer sound insulation material in sequence along the sound wave injection direction; the sound insulation panel layer is the flat tile surface of the sound insulation decorative panel, and the flat tile surface and the multi-layer sound insulation material form a closed sound wave transmission; and the prefabricated sound insulation panel has a sound insulation amount within a set range.

[0020] In this application, sound-insulating decorative panels are used as the main wrapping material, with the flat or corrugated surface of the prefabricated sound-insulating panels serving as sound insulation layers to achieve closed-loop sound wave transmission. Multiple layers of sound insulation materials then neutralize the sound waves. Simultaneously, the prefabricated sound-insulating panels can also serve as a waterproof exterior wall finish, preventing rainwater from penetrating the internal sound insulation materials. After the sound waves are neutralized by the multiple layers of sound insulation materials, any remaining sound waves are completely neutralized in the sound-insulating air gap between the sound-insulating panels and the main frame (building structure or connecting frame), enhancing the sound insulation effect. The overall installation uses a quick-connect method with male and female tongue-and-groove joints, resulting in highly efficient sound insulation after installation and splicing. The prefabricated sound-insulating panels can be cut to any length, and the multi-layered structure further strengthens the sound insulation effect. The regular structural design is suitable for both indoor and outdoor display and decoration scenarios, possesses high waterproof performance, and extends service life.

[0021] In one specific feasible implementation, the sound-insulating decorative panel is a metal plate or an injection-molded plate; wherein... When the sound insulation panel is a metal plate, the sound insulation panel is laminated.

[0022] In one specific implementation scheme, when the sound insulation panel is a metal plate, the sound insulation panel is any one of stainless steel, aluminum plate, galvanized plate, steel plate, copper plate, and titanium plate.

[0023] In one specific implementation, the multilayer sound insulation material comprises at least three layers.

[0024] In one specific feasible implementation, the multi-layer sound insulation material consists of three layers. The three layers of sound insulation material consist of a low-frequency sound insulation layer, a vibration damping layer, and a high-frequency sound insulation layer, the order of which can be arbitrarily arranged.

[0025] In one specific implementation scheme, the low-frequency sound insulation layer is any one of high-density gypsum board, cement fiberboard, metal sound insulation board, magnesium oxide sound insulation board, fireproof sound insulation board, vibration damping sound insulation board, calcium silicate board, and rigid PVC board. The vibration damping layer is any one of rubber, glass glue, polyurethane foam sealant, fireproof and soundproof sealant, and butyl rubber sealing strip. The high-frequency sound insulation layer is any one of glass wool, rock wool, or perforated gypsum board.

[0026] In one specific implementation scheme, the prefabricated sound insulation panel has a sound insulation range of 1 dB to 40 dB; At a sound wave frequency of 500 Hz, the sound insulation of the prefabricated sound insulation panel is 28.66 dB; At a sound wave frequency of 1000 Hz, the sound insulation of the prefabricated sound insulation panel is 34.68 dB.

[0027] Fourthly, a prefabricated wall structure includes: a prefabricated sound-absorbing wall structure; comprising an assembly bracket and prefabricated sound-absorbing panels as described above, sequentially assembled and fixed on the assembly bracket; a space for reverberation of sound is reserved between the prefabricated sound-absorbing panels and the main frame; a prefabricated sound-insulating wall structure; comprising an assembly bracket and prefabricated sound-insulating panels as described above, sequentially assembled and fixed on the assembly bracket; the prefabricated sound-insulating wall structure is disposed on the outer side or inner and outer sides of the main frame, and a sound-insulating air gap is reserved between the prefabricated sound-insulating panels and the main frame; and a combined wall structure; the combined wall structure includes prefabricated sound-absorbing panels as described above assembled on the inner side of the main frame via an assembly bracket, and prefabricated sound-insulating panels as described above assembled on the outer side of the main frame via an assembly bracket.

[0028] The prefabricated sound-absorbing wall in this application is suitable for installation in interior wall sound insulation, interior wall decoration, etc. It has a high sound absorption effect, and the space reserved between the prefabricated sound-absorbing panel and the main frame (building body or connecting frame) fully ensures the further cancellation of residual waves, improves the overall sound absorption effect, and prevents internal sound from spreading outward.

[0029] Prefabricated soundproof walls are suitable for installation on interior and exterior soundproof walls, and have a high sound insulation effect. The pre-reserved soundproof air gap between the prefabricated soundproof panels and the main frame (building body or connecting frame) further reduces residual waves, improves the overall sound insulation effect, and prevents sound transmission.

[0030] The modular wall system employs prefabricated sound insulation panels and prefabricated sound-absorbing panels installed on both the inner and outer sides of the building structure, achieving dual protection of sound absorption on the inner side and sound insulation on the outer side, or dual protection of sound insulation on both the inner and outer sides, significantly improving the sound absorption effect. Furthermore, by installing prefabricated sound insulation panels and prefabricated sound-absorbing panels on both the inner and outer sides of the connecting frame, dual protection of sound absorption on the inner side and sound insulation on the outer side, or dual protection of sound insulation on both the inner and outer sides, the system meets the assembly requirements of prefabricated high sound insulation walls while reducing overall weight, thus broadening its applicability.

[0031] In one specific implementation, the mounting bracket includes: a Z-shaped keel and a reinforcing keel that crosses the Z-shaped keel; wherein the Z-shaped keel includes: a first bend, a second bend, and a third bend; the first bend and the third bend are parallel to each other; the second bend is obliquely connected to two opposite sides of the first bend and the third bend.

[0032] In one specific implementation, the first bend has an anchoring hole for anchoring to the main frame; the second bend has a positioning hole for positioning the reinforcing keel through which it passes; and the third bend is connected to the prefabricated sound-absorbing panel or the prefabricated sound-insulating panel via a screw assembly. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the structure of the sound-absorbing decorative panel provided in the embodiments of this application; Figure 2 This is a front view of the sound-absorbing decorative panel provided in an embodiment of this application; Figure 3 This is a schematic diagram of the structure of the sound-insulating decorative panel provided in the embodiments of this application; Figure 4 This is a front view of the sound-insulating decorative panel provided in an embodiment of this application; Figure 5 This is a schematic diagram of the structure of the prefabricated sound-absorbing panel provided in the first embodiment of this application; Figure 6 This is a schematic diagram of the structure of the prefabricated sound-absorbing panel provided in the second embodiment of this application; Figure 7 Experimental data table of sound absorption rate of prefabricated sound-absorbing panels provided for embodiments of this application; Figure 8 A schematic diagram of the assembly structure of the prefabricated sound-absorbing panel provided in the embodiments of this application; Figure 9 This is a schematic diagram of the structure of the prefabricated sound insulation panel provided in the first embodiment of this application; Figure 10 This is a schematic diagram of the structure of the prefabricated sound insulation panel provided in the second embodiment of this application; Figure 11 A table of experimental data on the sound insulation of prefabricated sound insulation panels provided for embodiments of this application; Figure 12 A schematic diagram of the assembly structure of the prefabricated sound insulation panel provided in the embodiments of this application; Figure 13 This is a schematic diagram of the assembly bracket provided in an embodiment of this application; Figure 14 This is a schematic diagram of the Z-shaped keel provided in an embodiment of this application; Figure 15 This is a structural schematic diagram of the prefabricated sound-absorbing wall provided in the embodiments of this application; Figure 16 This is a structural schematic diagram of the prefabricated soundproof wall provided in the embodiments of this application; Figure 17 This is a cross-sectional view of the prefabricated sound-absorbing wall provided in an embodiment of this application; Figure 18 This is a cross-sectional view of the prefabricated soundproof wall provided in the embodiments of this application; Figure 19 This is a cross-sectional view of the combined wall structure provided in the first embodiment of this application; Figure 20 This is a cross-sectional view of the combined wall structure provided in the second embodiment of this application; Figure 21 This is a table of experimental data on the sound insulation of the soundproof room assembled from the modular wall structure of this application.

[0034] Icon labels: Sound-absorbing decorative panel-100a, first protruding part-110a, first groove part-120a, first overlapping part-130a, second groove part-140a, second protruding part-150a, corrugated protrusion-160a, sound-absorbing hole-170; Sound insulation panel - 100b, third protruding part - 110b, third groove part - 120b, second overlapping part - 130b, fourth groove part - 140b, fourth protruding part - 150b, pressed tile surface - 160b; Prefabricated sound-absorbing panel-200, sound-absorbing cloth layer-210, porous material layer-220, sound-absorbing and refractive layer-230; Precast sound insulation panel - 300, low-frequency sound insulation layer - 310, vibration damping layer - 320, high-frequency sound insulation layer - 330; Z-type keel-400, reinforced keel-410, first bend-420, anchoring hole-430, second bend-440, positioning hole-450, third bend-460; Building structure - 10, connecting frame - 20. Detailed Implementation

[0035] To make the objectives, technical solutions, and advantages of this disclosure clearer, the following detailed description is provided in conjunction with specific embodiments and the accompanying drawings.

[0036] It should be noted that, unless otherwise defined, the technical or scientific terms used in one or more embodiments of this specification should have the ordinary meaning understood by one of ordinary skill in the art to which this disclosure pertains. The terms "first," "second," and similar words used in one or more embodiments of this specification do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0037] To facilitate understanding of the edging panels, prefabricated sound-absorbing panels, prefabricated sound-insulating panels, and prefabricated walls provided in this application embodiment, their application scenarios are first explained. In places requiring acoustic environment control, such as offices, commercial spaces, and educational institutions, high-sound-insulating walls made of sound-insulating materials are typically required. These walls are widely used due to their excellent sound insulation performance. Regarding the installation structure, existing sound-insulating materials are usually directly attached to the existing building walls. This assembly method significantly reduces the sound insulation effect due to the rigid transmission of sound waves. Furthermore, in terms of installation methods, there are mainly two types: on-site installation and prefabricated assembly. On-site installation involves constructing a framework, sequentially filling it with sound-insulating materials, or simultaneously filling it with fireproofing, waterproofing, or other functional materials, then covering it with gypsum board and performing finishing treatments such as mesh reinforcement and puttying. This method is cumbersome, significantly interferes with the construction environment, has high maintenance costs, and offers limited actual sound insulation, resulting in high overall construction costs. Another prefabrication method requires prefabricating sound insulation modules of different sizes in a factory, which are then transported to the site and directly hoisted and assembled. While this method reduces on-site work, the modules are large and heavy, significantly increasing transportation and hoisting costs. Furthermore, it is only suitable for new building systems and is difficult to implement in existing buildings for modular assembly and retrofitting. Therefore, existing technologies suffer from problems such as complex on-site construction, limited applicability, low levels of industrialized prefabrication, inability to meet the requirements of modular assembly, and high costs. They are particularly inadequate for flexible sound insulation needs such as later additions and partial modifications. For locations with high sound insulation requirements, achieving high standards of sound insulation is also difficult. In view of this, this application provides an edge-sealing panel, a prefabricated sound-absorbing panel, a prefabricated sound-insulating panel, and a prefabricated wall. The edge-sealing panel is used as the exterior wall surface, reducing subsequent decoration and improving the overall aesthetics. The prefabricated sound-absorbing and sound-insulating panels allow for convenient installation of post-installed sound insulation protection and sound insulation effect enhancement, shortening the construction cycle and reducing installation costs. The prefabricated wall can be used as an optional installation for single-layer sound absorption protection and double-layer sound insulation and sound absorption protection, and ensures high sound insulation performance while reducing overall weight, achieving modular overall installation.

[0038] refer to Figure 1 and Figure 2 As shown in the embodiments of this application, the edge-wrapping decorative panel includes a panel body formed by pressing. The panel body in this application is preferably made of metal plate, such as stainless steel, aluminum plate, galvanized plate, steel plate, copper plate, titanium plate, etc. Of course, in other embodiments of this application, the panel body can also be an injection-molded plate (plywood / MDF, multi-material composite board, etc., fireproof, high-temperature resistant, and waterproof materials). As the main component for wrapping the sound-absorbing material in this application, the panel body provides a way to profile the sound-absorbing material and has efficient installation convenience.

[0039] Specifically, the decorative panel body can be a sound-absorbing decorative panel 100a. When the sound-absorbing decorative panel 100a uses a metal panel, it is preferably formed by corrugating with a corrugating machine, which has high and convenient production efficiency. The sound-absorbing decorative panel 100a is formed by integrally pressing a metal panel through a corrugating machine, and after the sound-absorbing decorative panel 100a is formed by corrugating, it is perforated by a dense perforation machine to ensure that the surface of the sound-absorbing decorative panel 100a has uniform and densely distributed holes, which not only increases its decorative effect but also has a good sound absorption effect. When the sound-absorbing decorative panel 100a is used as a single panel, it can ensure a good splicing and installation effect, protect the inner side of the wall, and has good decorative and protective properties.

[0040] Specifically, to ensure a good assembly effect for the sound-absorbing decorative panel 100a, a first female tongue-and-groove structure is provided on the first side of the sound-absorbing decorative panel 100a, and a first male tongue-and-groove structure is provided on the second side of the sound-absorbing decorative panel 100a. Corrugated protrusions 160a are spaced apart along the width direction of the sound-absorbing decorative panel 100a, and sound-absorbing holes 170 are densely distributed on the sound-absorbing decorative panel 100a. The first male tongue-and-groove structure between any two adjacent sound-absorbing decorative panels 100a is plugged into the corresponding first female tongue-and-groove structure. The first male tongue-and-groove structure and the first female tongue-and-groove structure are integrally formed during the corrugating process, and an assembly cavity for filling with sound-absorbing material is formed during the forming process. The sound-absorbing decorative panel 100a in this application is preferably filled with sound-absorbing material as the interior wall decoration surface of the building body 10, which not only meets the requirements of efficient sound absorption but also has a good decorative effect. When the sound-absorbing decorative panel 100a is made using injection molding, the first male tongue and groove structure, the first female tongue and groove structure, and the sound-absorbing hole 170 are integrally formed by injection molding through a mold. These are all technologies known to those skilled in the art, and will not be elaborated on here.

[0041] The first female tongue-and-groove structure includes: a first protruding portion 110a located on the upper part of the first side of the sound-absorbing decorative panel 100a, and a first recessed portion 120a that forms a right-angle bend with the first protruding portion 110a; wherein, the first recessed portion 120a is connected to a first overlapping portion 130a, and the width of the first overlapping portion 130a is greater than the width of the first protruding portion 110a. A right-angle bend is formed between the first protruding portion 110a and the first recessed portion 120a, and a right-angle bend is formed between the first recessed portion 120a and the first overlapping portion 130a. The first male tongue-and-groove structure includes: a second recessed portion 140a located on the upper part of the second side of the sound-absorbing decorative panel 100a, and a second protruding portion 150a that forms a right-angle bend with the second recessed portion 140a; wherein, the bottom of the second protruding portion 150a has a snap-edge formed by the right-angle bend. When the first male tongue and groove structure between any two adjacent sound-absorbing decorative panels 100a is connected to the corresponding first female tongue and groove structure, the second protruding part 150a is connected to the corresponding first groove part 120a, and the first overlapping part 130a receives the second protruding part; the first protruding part 110a is connected to the corresponding second groove part 140a.

[0042] The sound-absorbing decorative panel 100a in this application can serve as the main structure for wrapping sound-absorbing materials, providing a profiled approach to sound-absorbing materials without the need for on-site installation of soft sound-absorbing materials, thus improving the prefabrication level of sound-absorbing materials in factories. It can also serve as the main decorative surface, facilitating the addition of fire-retardant and waterproof materials, enhancing the composite function of the sound insulation and sound-absorbing device layers. Its tongue-and-groove joint structure ensures tightness during assembly while maintaining high sound absorption performance. The sound-absorbing decorative panel is preferably formed using a corrugated board press, resulting in high production efficiency, convenient length cutting, and suitability for installation in diverse building types. Furthermore, the single-panel edging panel can be used as a decorative material, offering an overall aesthetically pleasing appearance, easy installation, and comprehensive protection for easily damaged gypsum sound insulation walls, extending the wall's lifespan.

[0043] refer to Figure 3 and Figure 4 As shown in the embodiments of this application, the decorative panel body is preferably made of metal plate, such as stainless steel plate, aluminum plate, galvanized plate, steel plate, copper plate, titanium plate, etc. Of course, in other embodiments of this application, the decorative panel body can also be an injection-molded plate (plywood / MDF, multi-material composite board, etc., fireproof, high temperature resistant, and highly waterproof materials). As the main component for wrapping the sound-absorbing material in this application, the decorative panel body can realize the profile processing of soft sound-absorbing material and has efficient installation convenience.

[0044] Specifically, the decorative panel body can also be a soundproof decorative panel 100b. When the soundproof decorative panel 100b uses a metal plate, it is preferably formed by corrugating machine pressing, which has high efficiency and convenience in production. The soundproof decorative panel 100b is formed by integrally pressing a metal plate through a corrugating machine, and after the soundproof decorative panel 100b is pressed, a corrugated surface 160b or a corrugated surface is formed on the surface, which not only increases its decorative effect but also has a good sound insulation effect. When the soundproof decorative panel 100b is used as a single panel, it can ensure a good splicing and installation effect, protect the inner and outer sides of the wall, and has good decorative properties. When the soundproof decorative panel 100b is made by injection molding, the second male tongue and groove structure, the second female tongue and groove structure, and the corrugated surface 160b are integrally formed by injection molding through a mold. These are all technologies known to those skilled in the art and will not be described in detail here.

[0045] To ensure a good assembly effect for the sound insulation panel 100b, a second female tongue-and-groove structure is provided on the first side of the sound insulation panel 100b, and a second male tongue-and-groove structure is provided on the second side of the sound insulation panel 100b. The surface of the sound insulation panel 100b is a corrugated tile plane 160b. The second male tongue-and-groove structure between any two adjacent sound insulation panels 100b is plugged into the corresponding second female tongue-and-groove structure. The second male tongue-and-groove structure and the second female tongue-and-groove structure are integrally formed during the corrugating process, and an assembly cavity for filling with sound-absorbing material is formed during the forming process. The sound insulation panel 100b in this application is preferably filled with sound-absorbing material as the interior or exterior wall decoration surface of the building 10, which satisfies the high-efficiency sound insulation effect while having a good decorative effect.

[0046] The second female tongue-and-groove structure includes: a third protruding portion 110b located on the upper part of the first side of the sound insulation panel 100b, and a third recessed portion 120b that forms a right-angle bend with the third protruding portion 110b; wherein, the third recessed portion 120b is connected to a second overlapping portion 130b, and the width of the second overlapping portion 130b is greater than the width of the third protruding portion 110b. A right-angle bend is formed between the third protruding portion 110b and the third recessed portion 120b, and a right-angle bend is formed between the third recessed portion 120b and the second overlapping portion 130b. The second male tongue-and-groove structure includes: a fourth recessed portion 140b located on the upper part of the second side of the sound insulation panel 100b, and a fourth protruding portion 150b that forms a right-angle bend with the fourth recessed portion 140b; wherein, the bottom of the fourth protruding portion 150b has a snap-fit ​​edge after a right-angle bend. When the second male tongue and groove structure between any two adjacent sound insulation decorative panels 100b is plugged into the corresponding second female tongue and groove structure, the fourth protruding part 150b is plugged into the corresponding fourth recessed part 140b, and the second overlapping part 130b receives the fourth protruding part; the fourth protruding part 150b is plugged into the corresponding fourth recessed part 140b.

[0047] The edging panel in this application can serve as both the main structure for wrapping sound-absorbing materials and the main decorative surface. Its tongue-and-groove joint structure ensures tightness during assembly and provides high sound insulation performance. The edging panel is formed using a corrugated board press, resulting in high production efficiency and convenient length cutting, making it suitable for various building installations. Furthermore, the single-panel edging panel can be used as a decorative material, offering an aesthetically pleasing appearance, easy installation, and comprehensive protection for easily damaged gypsum soundproof walls, thus extending the wall's lifespan.

[0048] As can be seen from the above structure, the edging panels can be divided into sound-absorbing panels 100a and sound-insulating panels 100b according to their decorative uses. For example, depending on the decoration of the interior and exterior walls, sound-absorbing panels 100a are used to absorb indoor sound and have it dampened by sound-absorbing materials, thus blocking sound leakage; sound-insulating panels 100b are used as panels for both interior and exterior walls, providing strong waterproof performance while ensuring sound insulation; both sound-absorbing panels 100a and sound-insulating panels 100b use the same mortise and tenon joint structure, making the assembly process efficient and quick.

[0049] refer to Figure 5 and Figure 6 As shown, Figure 5 This is a schematic diagram of the first embodiment of the prefabricated sound-absorbing panel in this application. Figure 6 This is a schematic diagram of the second embodiment of the prefabricated sound-absorbing panel in this application. The prefabricated sound-absorbing panel 200 is prefabricated in a factory and cut to the required size, making it more convenient to assemble on site. The prefabricated sound-absorbing panel 200 is used for sound absorption and decoration of the interior walls of the building 10, and is composed of sound-absorbing decorative panels 100a wrapped with sound-absorbing materials. The sound-absorbing materials are mechanically or manually filled into the assembly cavity of the sound-absorbing decorative panels 100a. When manufacturing the prefabricated sound-absorbing panel 200, the sound-absorbing materials used are sound-absorbing materials, and the sound-absorbing decorative panels 100a are wrapped with multiple layers of sound-absorbing materials. The number of layers of sound-absorbing materials can be three, four, five, eight, etc., which can be determined according to different construction standards, such as the required sound absorption coefficient and the material of the sound-absorbing materials, so as to match and fill the corresponding multiple layers of sound-absorbing materials.

[0050] The prefabricated sound-absorbing panel 200 is sequentially provided with: a microporous sound-absorbing surface layer and a multilayer sound-absorbing material stacked together along the sound wave incident direction; the microporous sound-absorbing layer includes: a sound-absorbing refraction groove formed by multiple corrugated protrusions 160a of the sound-absorbing decorative panel 100a, and a sound-absorbing perforated surface layer formed by multiple sound-absorbing holes 170 distributed on the sound-absorbing decorative panel 100a; the permeability of the multiple sound-absorbing holes 170 is 5% to 50%; in a specific embodiment of this application, the permeability of the multiple sound-absorbing holes is about 25%, and the opening diameter of each sound-absorbing hole 170 is 0.1 to 25 mm. The micropores or perforations are opened in a uniformly distributed manner, thereby ensuring the surface decoration effect while adapting to different sound absorption scenarios. The protrusion refraction height of the corrugated protrusion 160a is 0.3mm~1mm; specifically, the protrusion height of the corrugated protrusion is about 0.5mm; of course, it should be noted that in other embodiments of this application, the permeability of the sound-absorbing hole 170, the opening diameter of the sound-absorbing hole 170, and the protrusion height of the corrugated protrusion 160a can be adjusted accordingly for different sound absorption scenarios.

[0051] In the first embodiment of the prefabricated sound-absorbing panel 200, the multilayer sound-absorbing material is arranged in the following order: a sound-absorbing cloth layer 210 connected to the microporous sound-absorbing surface layer, a porous material layer 220 bonded to the sound-absorbing cloth layer 210, and a sound-absorbing and refractive layer 230 bonded to the porous material layer 220. The perforated sound-absorbing surface layer is connected to the sound-absorbing cloth layer 210; the thickness of the sound-absorbing cloth layer 210 is T. 1， The thickness of the porous material layer 220 is T2, and the thickness of the sound-absorbing and refractive layer 230 is T3. The sound-absorbing cloth layer 210, the porous material layer 220, and the sound-absorbing and refractive layer 230 satisfy the following condition: T1 ≤ T3 < T2. The sound-absorbing cloth layer 210 is made of sound-absorbing non-woven fabric with a thickness T1 of 0.5mm~1mm; the porous material layer 220 is made of rock wool board with a thickness T2 of 10mm~15mm; and the sound-absorbing and refractive layer 230 is a silicon crystal sand layer with a thickness T3 of 0.8~2mm. It should be noted that under different construction standards and depending on the required sound absorption coefficient, the materials and thicknesses of the sound-absorbing cloth layer 210, the porous material layer 220, and the sound-absorbing and refractive layer 230 can be changed accordingly, but this will not be elaborated upon further here.

[0052] In the second embodiment of the prefabricated sound-absorbing panel 200, the multilayer sound-absorbing material is arranged in the following order: a sound-absorbing and refractive layer 230 that is connected to the sound waves of the microporous sound-absorbing surface layer, a porous material layer 220 that is attached to the sound-absorbing and refractive layer 230, and a sound-absorbing cloth layer that is attached to the porous material layer 220.

[0053] Therefore, it can be seen that in other embodiments of this application, regardless of whether the sound-absorbing material has three or more layers, and no matter how the layer sequence is changed, it is still within the protection scope of this application. Furthermore, the sound-absorbing cloth layer 210 can be any one of the following materials: polyester fiber sound-absorbing cloth, glass fiber coated cloth, polypropylene sound-absorbing cloth, nylon sound-absorbing cloth, etc.; the porous material layer 220 can be any one of the following materials: glass wool, rock wool, polyester fiber sound-absorbing cotton, etc.; and the sound-absorbing and refractive layer 230 is preferably a silicon crystal sand layer. Thus, through the selection of materials, the prefabricated sound-absorbing panel 200 possesses excellent data such as high sound absorption performance and fire resistance.

[0054] Combination Figure 7As shown, the prefabricated sound-absorbing panel 200 has a sound absorption coefficient ranging from 0.5a to 1a within a set range; specifically, at a sound wave frequency of 500 Hz, the sound absorption coefficient of the prefabricated sound-absorbing panel 200 is 0.95a; and at a sound wave frequency of 1000 Hz, the sound absorption coefficient of the prefabricated sound-absorbing panel 200 is 0.9a. This demonstrates that a high sound absorption coefficient is achieved when the three sound-absorbing materials are layered within the assembly cavity of the sound-absorbing decorative panel 100a. In applications with limited project costs and lower sound absorption requirements, alternative sound-absorbing materials can be used to reduce the number of sound-absorbing material layers, while still meeting the minimum sound absorption standard of 0.5a or higher. This reduces the manufacturing cost of the prefabricated sound-absorbing panel 200, lowers project costs, and meets project requirements. Under high-standard sound absorption conditions, the number of sound-absorbing material layers can be increased to achieve a high sound absorption coefficient of 0.95a or higher, thereby improving the sound absorption effect.

[0055] After the prefabricated sound-absorbing panel 200 meets the engineering construction standards, during the installation process, the prefabricated sound-absorbing panel in this application has a highly efficient and convenient installation effect, as referenced. Figure 8 As shown, any two adjacent prefabricated sound-absorbing panels 200 adopt a tenon-and-mortise connection structure during the assembly process. The first male tongue and groove structure is inserted into the corresponding first female tongue and groove structure to achieve a tight connection, thereby ensuring a more comprehensive sound-absorbing surface, reducing sound transmission through gaps, and ensuring a higher sound absorption coefficient.

[0056] refer to Figure 9 and Figure 10 As shown, Figure 9 This is a schematic diagram of the first embodiment of the prefabricated sound insulation panel in this application. Figure 10 This is a schematic diagram of the second embodiment of the prefabricated sound insulation panel in this application. The prefabricated sound insulation panel 300 is prefabricated in a factory and cut to the required size, making it more convenient to assemble on site. The prefabricated sound insulation panel 300 is used for sound insulation and decoration of the interior or exterior walls of the building 10 and has high waterproof performance. It is composed of sound-absorbing material wrapped around the aforementioned sound insulation panel 100b. The sound-absorbing material is mechanically or manually filled into the assembly cavity of the sound insulation panel 100b. When manufacturing the prefabricated sound insulation panel 300, the sound-absorbing material used is a sound insulation material, and the sound insulation panel 100b is wrapped with multiple layers of sound insulation material. The number of layers of sound insulation material is three, four, five, eight, etc., so as to calculate the required sound insulation amount according to different construction standards, and thus fill the multiple layers of sound insulation material in a matched manner.

[0057] The prefabricated sound insulation panel 300 is provided with the following in sequence along the direction of sound wave incidence: a sound insulation panel layer and multiple layers of sound insulation materials; the sound insulation panel layer is the pressing surface 160b of the sound insulation decorative panel 100b, and the pressing surface 160b and the multiple layers of sound insulation materials form a closed sound wave transmission.

[0058] In a first embodiment of the prefabricated sound insulation panel 300, the multi-layer sound insulation materials are arranged in the following order: a low-frequency sound insulation layer 310 bonded to the inner side of the sound insulation panel, a vibration damping layer 320 bonded to the low-frequency sound insulation layer 310, and a high-frequency sound insulation layer 330 bonded to the vibration damping layer 320. The thickness of the low-frequency sound insulation layer 310 is T4, the thickness of the vibration damping layer 320 is T5, and the thickness of the high-frequency sound insulation layer 330 is T6; the low-frequency sound insulation layer 310, the vibration damping layer 320, and the high-frequency sound insulation layer 330 satisfy the following condition: T4 ≥ T6 > T5. In a specific embodiment of this application, the low-frequency sound insulation layer 310 is made of high-density fiberboard, and its thickness T4 is 6mm~8mm; the vibration damping layer 320 is made of glass glue layer, and its thickness T5 is 1~2mm; the high-frequency sound insulation layer 330 is made of rock wool, and its thickness T6 is 6~8mm. Of course, it needs to be explained that the required sound reduction decibels vary under different construction standards, and the materials and thicknesses of the low-frequency sound insulation layer, rubber layer, and high-frequency sound insulation layer 330 can be replaced accordingly. This will not be elaborated on further here.

[0059] In the second embodiment of the prefabricated sound insulation panel 300, the prefabricated sound insulation panel 300 consists of, in sequence along the direction of sound wave incidence: a sound insulation panel layer, a high-frequency sound insulation layer, a vibration damping layer, and a low-frequency sound insulation layer.

[0060] Therefore, it can be seen that in other embodiments of this application, regardless of whether the sound insulation material has three or more layers, and no matter how the layer sequence is changed, it is still within the protection scope of this application. Furthermore, the low-frequency sound insulation layer can be any one of the following materials: high-density gypsum board, cement fiberboard, metal sound insulation board, magnesium oxide sound insulation board, fireproof sound insulation board, vibration damping sound insulation board, calcium silicate board, rigid PVC board, etc.; the vibration damping layer material can be any one of the following: rubber, glass glue, polyurethane foam sealant, fireproof sound insulation sealant, etc.; its shape can also be a sealing strip, such as a butyl rubber sealing strip; the high-frequency sound insulation layer can be any one of the following materials: glass wool, rock wool, or perforated gypsum board, etc. Through the selection of materials, the prefabricated sound insulation board 300 possesses high sound insulation performance, fire resistance performance, etc., optimizing related performance indicators.

[0061] Combination Figure 11As shown, the prefabricated sound insulation panel 300 has a sound insulation range of 1 dB to 40 dB; specifically, at a sound wave frequency of 500 Hz, the sound insulation of the prefabricated sound insulation panel 300 is 28.66 dB; and at a sound wave frequency of 1000 Hz, the sound insulation of the prefabricated sound insulation panel 300 is 34.68 dB. This demonstrates that a high sound insulation level is achieved when the three sound-absorbing materials are layered within the assembly cavity of the sound insulation panel 100b. In applications with limited project costs and lower sound insulation requirements, alternative sound insulation materials can be preferred. For example, if a sound insulation coefficient of only around 40 dB is required, the number of sound insulation material layers can be reduced, lowering the manufacturing cost of the prefabricated sound insulation panel 300 and reducing project costs. Conversely, if a higher standard of sound insulation is required, such as a sound insulation level of around 28.66 dB, this standard can be achieved by increasing the number of sound insulation material layers.

[0062] In this application, while improving the performance of the precast sound insulation panel 300 and meeting engineering construction standards, the assembly and connection sealing performance of the precast sound insulation panel 300 is further improved, with reference to... Figure 12 As shown, any two adjacent prefabricated sound insulation panels 300 are connected using a tenon-and-mortise joint structure during assembly. The second male tongue-and-mortise joint structure is inserted into the corresponding second female tongue-and-mortise joint structure to achieve a tight connection, thereby ensuring a more comprehensive sound insulation protection surface, reducing sound transmission through gaps, and guaranteeing a higher sound insulation effect. This tenon-and-mortise joint structure allows for efficient and convenient installation, resulting in good overall sealing performance and connection stability of the wall assembled from the prefabricated sound insulation panels 300.

[0063] Please refer to the above. Figure 13 and Figure 15 As shown in the figure, this application also proposes various implementation schemes for prefabricated walls, including prefabricated sound-absorbing walls. The prefabricated sound-absorbing wall includes an assembly bracket and prefabricated sound-absorbing panels 200 as described above, which are sequentially assembled and fixed on the assembly bracket. A space for reverberation of residual sound is reserved between the prefabricated sound-absorbing panels 200 and the main frame. This prefabricated wall can be applied to post-construction building 10 to increase the sound absorption effect. This application innovatively proposes to fix the assembly bracket to the inner wall of the building 10, and then sequentially assemble the prefabricated sound-absorbing panels 200 to add a sound-absorbing wall to the post-construction building. The installation is efficient and convenient, and the construction cost is low.

[0064] Specifically, after the mounting bracket is fixed to the inner wall of the building 10, it can create a space for reverberation between the prefabricated sound-absorbing panel 200 and the inner wall of the building 10 (such as...). Figure 17 As shown in the figure, the assembly bracket in this application includes: a Z-shaped keel 400, and a reinforcing keel 410 that intersects the Z-shaped keel 400; wherein, reference Figure 14As shown, the Z-shaped keel 400 includes a first bend 420, a second bend 440, and a third bend 460; the first bend 420 and the third bend 460 are parallel to each other; the second bend 440 is obliquely connected to two opposite sides of the first bend 420 and the third bend 460. This Z-shaped keel 400 is integrally formed by machining and has an arbitrarily cut length for matching installation according to different installation scenarios. The Z-shaped keel 400 in this application reduces rigid connections with the building body 10 during assembly, thereby reducing sound wave transmission and improving sound absorption.

[0065] The first bend 420 has an anchoring hole 430 for anchoring and connecting with the building body 10; the second bend 440 has a positioning hole 450 for positioning the reinforcing keel 410 passing through it; the third bend 460 is connected to the prefabricated sound-absorbing panel 200 by a screw assembly.

[0066] As can be seen from the above structure, by having the reinforcing keel 410 pass through each positioning hole 450 in sequence, the reinforcing keel 410 and the Z-shaped keel 400 form an integral frame structure. This frame structure is attached and fixed to the wall by connecting parts such as expansion bolts. For example, the connecting parts pass through the anchoring holes 430 to connect the Z-shaped keel 400 to the wall as a whole. Subsequently, prefabricated sound-absorbing panels 200 are installed sequentially on this frame structure to complete the installation of the prefabricated sound-absorbing wall. This process is efficient, simple, and convenient, greatly reducing the requirements for on-site construction. Because the reverberation space reserved between the prefabricated sound-absorbing panel 200 and the main frame becomes an integral, sealed, and flexible space covering the surface of the main frame after assembly, coupled with the elasticity of the supporting Z-shaped keel 400, this flexible space works synergistically with the multi-layer sound-absorbing materials to make the prefabricated sound-absorbing wall a flexible sound-absorbing wall. The vibration reduction effect is significantly improved, and it has a better reverberation cancellation effect, resulting in better sound absorption and optimizing the acoustic environment of the decorated place, which can meet higher standards of sound absorption requirements.

[0067] Please refer to the above. Figure 13 and Figure 16 As shown in the figure, this application also proposes various implementation schemes for prefabricated walls, including prefabricated soundproof walls; the prefabricated soundproof walls include assembly brackets and prefabricated soundproof panels 300 as described above, which are sequentially assembled and fixed on the assembly brackets; a soundproof air gap is reserved between the prefabricated soundproof panels 300 and the main frame; in the post-installed building system, in order to increase the sound insulation effect, this application innovatively proposes to fix the assembly brackets to the inner wall surface of the building body 10, and then sequentially assemble the prefabricated soundproof panels 300, and then add the soundproof wall to the post-installed building body. The installation is efficient and convenient, the construction cost is low, and the construction speed is significantly improved.

[0068] When the mounting bracket is specifically fixed to the inner and outer walls of the building 10, it can form a sound-insulating air gap between the prefabricated sound insulation panels 300 and the inner wall of the building 10 (e.g. Figure 18 As shown in the figure, the assembly bracket in this application includes: a Z-shaped keel 400, and a reinforcing keel 410 that intersects the Z-shaped keel 400; wherein, reference Figure 14 As shown, the Z-shaped keel 400 includes: a first bend 420, a second bend 440, and a third bend 460; the first bend 420 and the third bend 460 are parallel to each other; the second bend 440 is obliquely connected to two opposite sides of the first bend 420 and the third bend 460. This Z-shaped keel 400 is integrally formed by machining, and its length can be arbitrarily cut for matching installation according to different installation scenarios.

[0069] The first bend 420 has an anchoring hole 430 for anchoring and connecting with the building body 10; the second bend 440 has a positioning hole 450 for positioning the reinforcing keel 410 to pass through; the third bend 460 is connected to the prefabricated sound insulation panel 300 by a screw assembly.

[0070] As can be seen from the above structure, by having the reinforcing keel 410 pass through each positioning hole 450 in sequence, the reinforcing keel 410 and the Z-shaped keel 400 form an integral frame structure. This frame structure is attached and fixed to the wall by connecting parts such as expansion bolts. For example, the connecting parts pass through the anchoring holes 430 to connect the Z-shaped keel 400 to the wall as a whole. Subsequently, prefabricated sound insulation panels 300 are installed sequentially on this frame structure to complete the installation of the prefabricated sound-absorbing wall. This process is efficient, simple, and convenient, greatly reducing the requirements for on-site construction. Because the sound insulation air gap reserved between the prefabricated sound-absorbing panel 200 and the main frame becomes an integral, sealed, and flexible space covering the surface of the main frame after assembly, coupled with the elasticity of the supporting Z-shaped keel 400, this flexible space works synergistically with the multi-layer sound-absorbing and sound-insulating materials to make the prefabricated sound insulation wall a flexible sound insulation wall. The vibration reduction effect is significantly improved, and it has a better reverberation cancellation effect, resulting in better sound insulation and optimizing the acoustic environment of the decorated place, which can meet higher standards of sound insulation requirements.

[0071] The prefabricated sound-absorbing wall in this application is suitable for installation in interior wall sound insulation, interior wall decoration, etc. It has a high sound absorption effect, and the residual sound refraction space reserved between the prefabricated sound-absorbing panel 200 and the main frame (building body 10 or connecting frame 20) fully ensures the further cancellation of residual sound, improves the overall sound absorption effect, and prevents internal sound from spreading outward.

[0072] Prefabricated soundproof walls are suitable for installation on interior and exterior soundproof walls, and have a high sound insulation effect. The pre-reserved sound insulation air gap between the prefabricated sound insulation panel 300 and the main frame (structure or connecting frame 20) fully ensures further cancellation of residual sound, improves the overall sound insulation effect, and prevents sound transmission.

[0073] This application uses prefabricated sound-absorbing wall as an example to illustrate the installation process: transport Z-type keel 400, reinforcing keel 410, expansion bolts, hangers, self-tapping screws, edge trim strips, nail gun, level, cutting machine, etc. to the construction site. The laser line projector pops out the elevation line, keel position line, and block line. The spacing of Z-type keel 400 is adapted to the width of the board, generally ≤600mm-800mm. First, measure the length and height of the entire wall of the building. Based on the obtained dimensions, cut the Z-shaped keel 400 and reinforcing keel 410 to the correct lengths. Then, insert the reinforcing keel 410 sequentially into the positioning holes 450 of each Z-shaped keel 400 to form an integral frame. Secure the reinforcing keel 410 and each Z-shaped keel 400 together with screws or rivets. Next, attach this integral frame to the wall, ensuring that the Z-shaped keel 400 is horizontally attached to the wall and that each reinforcing keel 410 is vertical. Secure the Z-shaped keel 400 firmly with expansion bolts or nails, avoiding hammering, to ensure a high degree of flatness for the integral frame. Then, lay prefabricated sound-absorbing panels 200 on the frame using a splicing method, maintaining a high degree of flatness for the prefabricated sound-absorbing panels 200. The installed prefabricated sound-absorbing panels 200 create a space for sound reverberation between themselves and the wall. The installation process is efficient and quick, greatly reducing the complexity of construction. Meanwhile, this application adopts modular assembly, which is quick and efficient to assemble. Partial disassembly and assembly do not require large-scale rework, and later maintenance and replacement of the finish are more convenient.

[0074] As can be seen from the above structure, the Z-shaped metal keel 400, with its unique Z-shaped cross-section and elastic connection design, provides sound insulation and vibration reduction during use when installed as described above. It also offers multiple advantages such as structural decoupling, convenient construction, space optimization, and cost control, making it particularly suitable for applications requiring high acoustics and construction efficiency, such as partition walls and suspended ceilings. Furthermore, the elastic deformation section formed by the Z-shaped structure generates a "spring-like effect," reducing sound energy transmission in the 100-500Hz low-frequency range. Compared to traditional U / C-shaped keels, it improves sound insulation by 2-3dB, and is especially effective in suppressing solid-borne sound transmission.

[0075] Meanwhile, the Z-shaped keel structure is simple and lightweight. It features holes for fixing to the wall, allowing for snap-on / hang-up installation, reducing adhesive application and welding. Fewer fixing points and faster positioning mean it can be operated by a single person, shortening the construction period by approximately 30%. This achieves efficient and convenient installation. Furthermore, the 75° angle between the first bend 420 and the second bend 440 buffers noise impact, effectively intercepting noise transmission and providing better vibration damping and interference resistance, resulting in superior acoustic performance. Additionally, the V-shaped groove on the upper surface of the third bend 460 facilitates faster installation of the surface sound insulation material.

[0076] This application uses square tubes or slats as reinforcing keels 410, which are then passed through multiple Z-shaped keels 400. This facilitates the connection between the Z-shaped keels 400 and quickly forms an overall frame. After each keel 410 passes through the multiple Z-shaped keels 400, the keels 410 and the Z-shaped keels 400 are arranged in a cross pattern, providing bidirectional displacement resistance, good stability, good seismic resistance, and avoiding unidirectional stress. The U-shaped camber process further increases the strength of the Z-shaped keels 400.

[0077] In one specific embodiment of this application, both the prefabricated sound-absorbing panel 200 and the prefabricated sound-insulating panel 300, made of metal composite material, are wrapped with multiple layers of sound-absorbing material and connected by non-rigid structures such as elastic bonding and point support to avoid forming rigid sound bridges. When selecting metal panel materials (stainless steel, aluminum, galvanized steel, steel, copper, titanium, etc.), their thickness is between 0.5-1.2 mm. The sound-absorbing materials include various types of sound-absorbing materials with a surface density of 5-80 kg / m², such as high-density gypsum board, cement fiberboard, metal sound insulation board, magnesium oxide sound insulation board, fireproof sound insulation board, vibration-damping sound insulation board, etc. The vibration-damping layer 320 includes a rubber layer, glass glue, polyurethane foam sealant, fireproof sound insulation sealant, etc., and may be butyl rubber sealing strips; the Z-shaped keel 400 can create a cavity between the building body 10 and the prefabricated sound-absorbing panel 200 or the prefabricated sound-insulating panel 300, further improving the sound absorption effect.

[0078] refer to Figure 19 and 20 As shown in the figure, in order to further improve the sound insulation requirements in the field of prefabricated buildings, the connecting frame 20 is selected as the central connection point. The connecting frame 20 is connected by welding square steel, and assembly brackets are installed on both sides simultaneously.

[0079] In the first embodiment of this application, prefabricated sound-absorbing panels 200 are sequentially installed on one side of the assembly bracket to serve as the inner side of the prefabricated soundproof wall, and prefabricated sound insulation panels 300 are sequentially installed on the other side of the assembly bracket to serve as the outer side of the prefabricated soundproof wall.

[0080] In the second embodiment of this application, prefabricated sound insulation panels 300 are sequentially installed on the mounting brackets on both sides, thus eliminating the need to distinguish between the inner and outer sides and meeting the installation requirements of the prefabricated sound insulation wall.

[0081] The modular wall can be constructed by assembling prefabricated sound insulation panels 300 and prefabricated sound absorption panels 200 on the inner and outer sides of the building body 10, achieving dual protection of sound absorption on the inner side and sound insulation on the outer side, or sound insulation on both the inner and outer sides, significantly improving the sound absorption effect; alternatively, it can be constructed by assembling prefabricated sound insulation panels 300 and prefabricated sound absorption panels 200 on the inner and outer sides of the connecting frame 20, which meets the assembly requirements of prefabricated high sound insulation walls while reducing the overall weight, and has a wider range of applications.

[0082] In addition, combined Figure 21 As shown, the prefabricated soundproof room provided in this application is designed with internal sound absorption and external sound insulation. Its dimensions are 2200mm long * 1600mm wide * 2400mm high. The outer side is a prefabricated sound insulation panel 300, and the inner side is a prefabricated sound absorption panel 200. The prefabricated sound insulation panel 300 consists of three layers of sound insulation material, with the color steel plate being 2mm thick. The layer sequence is as follows: a low-frequency sound insulation layer 310 (calcium silicate board, 6mm) is bonded to the inner side of the sound insulation panel; a vibration damping layer 320 (glass glue, 2mm) is bonded to the low-frequency sound insulation layer 310; and a high-frequency sound insulation layer 330 (cement fiberboard, 6mm) is bonded to the vibration damping layer 320.

[0083] The prefabricated sound-absorbing panel 200 is a three-layer sound insulation material, consisting of a galvanized steel sheet with a 25% perforation rate, a 2mm fiberglass-coated cloth layer, a 10mm porous sound-absorbing cotton layer, and a 1-2mm silica crystal sand layer. A cavity is formed between the prefabricated sound-absorbing panel 200 and the prefabricated sound insulation panel 300 by using square tubes or strips as reinforcing keels 410 and passing them through multiple Z-shaped keels 400 to form an overall frame.

[0084] The measurement data of the prefabricated soundproof room are as follows: Figure 21 As shown in the figure. Actual measurement data proves that the average sound insulation is 37.4 dB within the sound source range of 100-4000 Hz. While ensuring sound insulation, it also possesses high fire resistance and waterproof performance, successfully achieving modular overall installation and meeting the requirements for convenient installation.

[0085] The edge-sealing panels provided in this application solve many inconveniences of existing sound-absorbing materials, which are typically directly bonded to the original building walls and can only be installed on-site. This allows for the application of single-panel profiles of sound-absorbing materials, significantly improving the level of factory prefabrication and facilitating the simultaneous filling of other functional materials such as fireproofing and waterproofing, eliminating the need for further finishing. The installation process of the prefabricated sound-absorbing panels, prefabricated sound-insulating panels, and prefabricated walls provided in this application has minimal interference with the construction environment and low maintenance costs. The prefabricated walls provided in this application effectively eliminate the rigid transmission of sound waves, significantly improving sound insulation performance while maintaining low overall construction costs, achieving high standards of sound insulation at a cost-effective level. There is no need for overall transportation to the site for hoisting and assembly, reducing on-site work while still meeting installation requirements, making it suitable for both new and old building systems. It is particularly suitable for flexible sound insulation needs such as later installations and partial renovations. It is suitable for places requiring acoustic environment control, such as offices, commercial buildings, educational facilities, and industrial plants.

[0086] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of this disclosure (including the claims) is limited to these examples; within the framework of this disclosure, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of different aspects of one or more embodiments of this specification, which are not provided in detail for the sake of brevity.

[0087] Additionally, to simplify the description and discussion, and to avoid obscuring one or more embodiments of this specification, well-known power / ground connections for other components may or may not be shown in the provided drawings. Furthermore, the apparatus may be illustrated in block diagram form to avoid obscuring one or more embodiments of this specification, and this also takes into account the fact that the details of implementation of these block diagram apparatuses are highly dependent on the platform on which one or more embodiments of this specification will be implemented (i.e., these details should be fully understood by those skilled in the art). While specific details have been set forth to describe exemplary embodiments of this disclosure, it will be apparent to those skilled in the art that one or more embodiments of this specification may be implemented without these specific details or with variations thereof. Therefore, these descriptions should be considered illustrative rather than restrictive.

[0088] One or more embodiments of this specification are intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of one or more embodiments of this specification should be included within the scope of protection of this disclosure.

Claims

1. A decorative edge panel, comprising a panel body formed by pressing; characterized in that, The decorative panel body is a sound-absorbing decorative panel or a sound-insulating decorative panel; both the sound-absorbing decorative panel and the sound-insulating decorative panel have an assembly cavity that can be filled with sound-absorbing material; When the main body of the decorative panel is a sound-absorbing decorative panel, a first female tongue and groove structure is provided on the first side of the sound-absorbing decorative panel, a first male tongue and groove structure is provided on the second side of the sound-absorbing decorative panel, corrugated protrusions are spaced apart along the width direction of the sound-absorbing decorative panel, and sound-absorbing holes are evenly and densely distributed on the sound-absorbing decorative panel; the first male tongue and groove structure between any two adjacent sound-absorbing decorative panels is plugged into the corresponding first female tongue and groove structure. When the main body of the decorative panel is a soundproof decorative panel, a second female tongue and groove structure is provided on the first side of the soundproof decorative panel, a second male tongue and groove structure is provided on the second side of the soundproof decorative panel, and the surface of the soundproof decorative panel is a flat tile surface; the second male tongue and groove structure between any two adjacent soundproof decorative panels is plugged into the corresponding second female tongue and groove structure.

2. The edge-binding decorative panel according to claim 1, characterized in that, The first tongue-and-groove structure includes: a first protruding portion located on the upper part of the first side of the sound-absorbing decorative panel, and a first groove portion forming a right-angle bend with the first protruding portion; wherein, The first groove portion is connected to an overlapping portion, and the width of the overlapping portion is greater than the width of the first protrusion portion.

3. The edge-binding decorative panel according to claim 2, characterized in that, The first tongue-and-groove structure includes: a second groove located on the upper part of the second side of the sound-absorbing decorative panel, and a second protrusion bent at a right angle to the second groove; wherein, The bottom of the second protrusion is bent at a right angle and has a snap-edge.

4. The edge-binding decorative panel according to claim 3, characterized in that, When the first male tongue-and-groove structure is plugged into the corresponding first female tongue-and-groove structure between any two adjacent sound-absorbing decorative panels, The second protruding part is inserted into the corresponding first groove part, and the overlapping part receives the second protruding part; The first protruding part is inserted into the corresponding second groove part.

5. A prefabricated sound-absorbing panel, characterized in that, include: Sound-absorbing decorative panel, and multi-layer sound-absorbing material filling the assembly cavity of the sound-absorbing decorative panel; The sound-absorbing decorative panel has a first female tongue-and-groove structure on its first side and a first male tongue-and-groove structure on its second side. The sound-absorbing decorative panel has corrugated protrusions spaced apart along its width, and sound-absorbing holes are evenly distributed on the panel. The prefabricated sound-absorbing panel is provided with, in sequence along the direction of sound wave incidence: a microporous sound-absorbing surface layer and multiple layers of sound-absorbing material stacked together. The microporous sound-absorbing layer includes: a sound-absorbing refraction groove formed by multiple corrugated protrusions of the sound-absorbing decorative panel, and a sound-absorbing perforated surface layer formed by multiple sound-absorbing holes distributed on the sound-absorbing decorative panel. The permeability of the plurality of sound-absorbing holes is 5% to 50%; The corrugated protrusions have a refractive height of 0.3mm to 1mm; The multi-layer sound-absorbing material is in communication with the microporous sound-absorbing surface layer, and the prefabricated sound-absorbing panel has a sound absorption coefficient within a set range.

6. The prefabricated sound-absorbing panel according to claim 5, characterized in that, The first male tongue-and-groove structure between any two adjacent prefabricated sound-absorbing panels is connected to the corresponding first female tongue-and-groove structure.

7. The prefabricated sound-absorbing panel according to claim 5, characterized in that, The sound-absorbing decorative panel is a metal plate or an injection-molded plate; wherein... When the sound-absorbing decorative panel is a metal plate, multiple sound-absorbing holes are formed by machine pressing and punching, and multiple corrugated protrusions are formed by pressing.

8. The prefabricated sound-absorbing panel according to claim 7, characterized in that, When the sound-absorbing decorative panel is a metal plate, the sound-absorbing decorative panel is any one of stainless steel, aluminum plate, galvanized plate, steel plate, copper plate, and titanium plate.

9. The prefabricated sound-absorbing panel according to claim 8, characterized in that, The multi-layer sound-absorbing material comprises at least three layers.

10. The prefabricated sound-absorbing panel according to claim 9, characterized in that, When the multilayer sound-absorbing material has three layers, The three layers of sound-absorbing material consist of a sound-absorbing cloth layer whose layering sequence can be arbitrarily arranged, a porous material layer, and a sound-absorbing and refractive layer.

11. The prefabricated sound-absorbing panel according to claim 10, characterized in that, The sound-absorbing cloth layer is any one of polyester fiber sound-absorbing cloth, glass fiber coated cloth, polypropylene sound-absorbing cloth, and nylon sound-absorbing cloth; The porous material layer is any one of glass wool, rock wool, and polyester fiber sound-absorbing cotton; The sound-absorbing and refractive layer is a silicon crystal sand layer.

12. The prefabricated sound-absorbing panel according to claim 11, characterized in that, The prefabricated sound-absorbing panel has a sound absorption coefficient within a set range of 0.5a to 1a; wherein, When the sound wave frequency is 500 Hz, the sound absorption coefficient of the prefabricated sound-absorbing panel is 0.95a; When the sound wave is 1000 Hz, the sound absorption coefficient of the prefabricated sound-absorbing panel is 0.9a.

13. A prefabricated sound insulation panel, characterized in that, include: Soundproof decorative panel, and multi-layer soundproof material filling the assembly cavity of the soundproof decorative panel; The sound-insulating decorative panel has a second female tongue-and-groove structure on its first side and a second male tongue-and-groove structure on its second side; the surface of the sound-insulating decorative panel is a flat, tile-like surface. The prefabricated sound insulation panel is provided with, in sequence along the direction of sound wave incidence: a sound insulation panel layer and multiple layers of sound insulation material; The sound insulation board layer is the pressed tile surface of the sound insulation decorative panel, and the pressed tile surface and the multi-layer sound insulation material have a closed sound wave transmission. Furthermore, the prefabricated sound insulation panel has a set range of sound insulation.

14. The prefabricated sound insulation panel according to claim 13, characterized in that, The sound-insulating decorative panel is a metal plate or an injection-molded plate; wherein... When the sound insulation panel is a metal plate, the sound insulation panel is laminated.

15. The prefabricated sound insulation panel according to claim 14, characterized in that, When the sound insulation panel is a metal plate, it can be any one of stainless steel, aluminum, galvanized steel, steel, copper, or titanium.

16. The prefabricated sound insulation panel according to claim 14, characterized in that, The multi-layer sound insulation material comprises at least three layers.

17. The prefabricated sound insulation panel according to claim 16, characterized in that, When the multi-layer sound insulation material has three layers The three layers of sound insulation material consist of a low-frequency sound insulation layer, a vibration damping layer, and a high-frequency sound insulation layer, the order of which can be arbitrarily arranged.

18. The prefabricated sound insulation panel according to claim 17, characterized in that, The low-frequency sound insulation layer is any one of high-density gypsum board, cement fiber board, metal sound insulation board, magnesium oxide sound insulation board, fireproof sound insulation board, vibration damping sound insulation board, calcium silicate board, and rigid PVC board. The vibration damping layer is any one of rubber, glass glue, polyurethane foam sealant, fireproof and soundproof sealant, and butyl rubber sealing strip; The high-frequency sound insulation layer is any one of glass wool, rock wool, or perforated gypsum board.

19. The prefabricated sound insulation panel according to claim 18, characterized in that, The prefabricated sound insulation panel has a sound insulation range of 1 dB to 40 dB; At a sound wave frequency of 500 Hz, the sound insulation of the prefabricated sound insulation panel is 28.66 dB; At a sound wave frequency of 1000 Hz, the sound insulation of the prefabricated sound insulation panel is 34.68 dB.

20. A prefabricated wall system, characterized in that, include: Prefabricated sound-absorbing wall; comprising an assembly bracket and prefabricated sound-absorbing panels as described in any one of claims 5 to 12, which are sequentially assembled and fixed on the assembly bracket; wherein a space for reverberation of sound is reserved between the prefabricated sound-absorbing panels and the main frame; Prefabricated soundproof wall; including an assembly bracket and prefabricated soundproof panels as described in any one of claims 13 to 17, which are sequentially assembled and fixed on the assembly bracket; the prefabricated soundproof wall is located on the outside or inside and outside of the main frame, and a soundproof air gap is reserved between the prefabricated soundproof panels and the main frame. A modular wall; the modular wall includes a prefabricated sound-absorbing panel as described in any one of claims 5 to 12, which is mounted on the inner side of the main frame via an assembly bracket, and a prefabricated sound-insulating panel as described in any one of claims 13 to 17, which is mounted on the outer side of the main frame via an assembly bracket.

21. The prefabricated wall structure according to claim 20, characterized in that, The assembly bracket includes: an elastically deformable Z-shaped keel, and reinforcing keels that intersect the Z-shaped keel in a cross shape; wherein... The Z-shaped keel includes: a first bend, a second bend, and a third bend; The first bend and the third bend are parallel to each other; The second bend is obliquely connected to the two sides opposite to the first bend and the third bend.

22. The prefabricated wall structure according to claim 21, characterized in that, The first bend is provided with an anchoring hole for anchoring connection with the main frame; The second bend is provided with a positioning hole for positioning the reinforcing keel through which it passes; The third bend is connected to the prefabricated sound-absorbing panel or the prefabricated sound-insulating panel via a screw assembly.

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