Honeycomb aluminum plate with sound absorption and noise reduction function

Abstract

This utility model belongs to the field of building material technology, and in particular to a honeycomb aluminum panel with sound absorption and noise reduction function. It includes a honeycomb panel and two layers of aluminum thin plates located on both sides of the honeycomb panel. Sound-absorbing panels are bonded to both outer surfaces of the honeycomb panel, and the sound-absorbing panels are bonded to the inner surfaces of the aluminum thin plates. Support columns are welded at the nodes of the honeycomb panel, and the ends of the support columns penetrate the sound-absorbing panels and are welded to the inner surfaces of the aluminum thin plates. The sound-absorbing panels bonded to both outer surfaces of the honeycomb panel, along with the sound-absorbing holes on the aluminum thin plates, facilitate the transmission of sound from the air to the sound-absorbing panels for sound absorption, thereby reducing the echo generated by the sound contacting the concrete wall. The honeycomb panel between the two sound-absorbing panels also has the effect of reducing sound transmission through its honeycomb structure, thus achieving the sound absorption and noise reduction function of the honeycomb aluminum panel.

Description

Technical Field

[0001] This utility model belongs to the field of building material technology, specifically relating to a honeycomb aluminum panel with sound absorption and noise reduction function. Background Technology

[0002] Among the many building decoration materials, honeycomb aluminum panels are highly favored due to their unique structure and performance. This type of panel consists of two thin yet strong panels, firmly welded together on both sides of a thick, honeycomb-structured core material using welding technology. This design not only gives the panel excellent strength and stability but also significantly reduces its weight, making it an indispensable material in modern building decoration. This structure of honeycomb aluminum panels, also known as a honeycomb sandwich structure, has wide applications not only in building decoration but also in the aerospace and automotive industries due to its superior thermal insulation properties.

[0003] Existing Chinese patent CN119641043A discloses "a sound-insulating and environmentally friendly honeycomb aluminum panel for decoration, comprising an mounting plate and a honeycomb core, wherein a circular seat is installed inside the honeycomb core, a sound-absorbing chamber is provided in the middle of the circular seat, and a circular hole is formed on the outer surface of the sound-absorbing chamber." However, when using a honeycomb-embedded sound-absorbing chamber, due to the smooth surface of the aluminum panel, sound traveling from the air to the surface of the aluminum panel will cause an echo. The sound needs to be transmitted to the aluminum panel before passing through the sound-absorbing chamber for sound absorption and noise reduction, making it difficult for sound to be directly transmitted through the air to the sound-absorbing part, resulting in poor sound insulation effect.

[0004] Therefore, there is an urgent need to develop a honeycomb aluminum panel that can effectively solve the above problems and has sound absorption and noise reduction functions. Utility Model Content

[0005] This utility model addresses the shortcomings of existing technologies by providing a honeycomb aluminum panel with sound absorption and noise reduction functions. The specific technical solution is as follows:

[0006] A honeycomb aluminum panel with sound absorption and noise reduction function includes a honeycomb panel and two layers of aluminum thin plates located on both sides of the honeycomb panel. Sound-absorbing plates are bonded to both outer surfaces of the honeycomb panel and to the inner surfaces of the aluminum thin plates. Support columns are welded at the nodes of the honeycomb panel, and the ends of the support columns penetrate the sound-absorbing plates and are welded to the inner surfaces of the aluminum thin plates. Protective barriers are welded to the edges of the honeycomb panel and are welded between the two layers of aluminum thin plates. The surfaces of the aluminum thin plates are provided with arrayed sound-absorbing holes, and the axes of the sound-absorbing holes coincide with the central axis of the honeycomb panel.

[0007] Preferably, the sound-absorbing panel includes a pearl cotton sound-absorbing panel and a polyester fiber sound-absorbing cotton. The two layers of polyester fiber sound-absorbing cotton are bonded to both sides of the pearl cotton sound-absorbing panel. The surface of the pearl cotton sound-absorbing panel is provided with through-holes. Both sides of the pearl cotton sound-absorbing panel are provided with guide grooves communicating with the guide holes. The surface of the polyester fiber sound-absorbing cotton is provided with limiting holes.

[0008] Preferably, the distance between two adjacent guide holes is half the distance between two adjacent limiting holes, and the axis of the limiting hole coincides with the axis of the guide hole.

[0009] Preferably, the thickness of the polyester fiber sound-absorbing cotton is one-fifth of the thickness of the pearl cotton sound-absorbing board.

[0010] Preferably, the fence has a rectangular structure, and each side of the fence is a polygonal plate.

[0011] Preferably, the aluminum sheet has a thickness of 1.0 mm, and the honeycomb wall thickness of the honeycomb panel is 1.5 mm.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. Sound-absorbing panels are bonded to the two outer surfaces of the honeycomb panel, while sound-absorbing holes are opened on the aluminum sheet. This allows sound in the air to be transmitted through the sound-absorbing holes to the sound-absorbing panels for sound absorption, thereby reducing the echo generated when sound comes into contact with the concrete wall. The honeycomb panel between the two layers of sound-absorbing panels also has the effect of reducing sound transmission through its honeycomb structure, thus realizing the sound absorption and noise reduction function of the honeycomb aluminum panel. The edge of the honeycomb panel is welded to enhance the strength of the edge of the honeycomb aluminum panel, serving as a protection for the edge of the honeycomb aluminum panel. The axis of the sound-absorbing hole coincides with the central axis of the honeycomb of the honeycomb panel, avoiding the problem of the aluminum sheet and the support column being difficult to weld and fix when the support column and the sound-absorbing hole are aligned.

[0014] 2. The sound-absorbing panel is composed of pearl cotton sound-absorbing board and polyester fiber sound-absorbing cotton. The two layers of polyester fiber sound-absorbing cotton are bonded to both sides of the pearl cotton sound-absorbing board, making the honeycomb aluminum panel usable on both sides. The surface of the pearl cotton sound-absorbing board has through-holes that connect with the guide grooves on both sides. This allows the sound transmitted from the aluminum sheet to the sound-absorbing board through the sound-absorbing holes to be partially transmitted to the guide holes through the limiting holes on the surface of the polyester fiber sound-absorbing cotton, and partially transmitted to the guide grooves through the polyester fiber sound-absorbing cotton. Since the sound travels at different speeds on different materials, the sound is effectively absorbed by the pearl cotton sound-absorbing board and the polyester fiber sound-absorbing cotton, thus achieving the sound absorption and noise reduction function of the honeycomb aluminum panel. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0017] Figure 3 This is a schematic diagram of the disassembled structure of the parts of this utility model;

[0018] Figure 4 This is a schematic diagram showing the disassembled structure of the sound-absorbing panel parts in this utility model;

[0019] Figure 5 for Figure 2 Enlarged structural diagram at point A;

[0020] Figure 6 for Figure 3 A magnified structural diagram of point A in the middle.

[0021] Reference numerals: 1. Aluminum sheet; 2. Sound-absorbing panel; 21. Pearl cotton sound-absorbing panel; 22. Polyester fiber sound-absorbing cotton; 23. Limiting hole; 24. Guide hole; 25. Guide groove; 3. Honeycomb panel; 4. Support column; 5. Enclosure; 6. Sound-absorbing hole. Detailed Implementation

[0022] The technical solution of this utility model will now be described with reference to the accompanying drawings and embodiments.

[0023] Please see Figure 1-6 This embodiment provides the following technical solution: a honeycomb aluminum panel with sound absorption and noise reduction function, including a honeycomb panel 3 and two layers of aluminum thin plates 1 located on both sides of the honeycomb panel 3. Sound-absorbing plates 2 are bonded to both outer surfaces of the honeycomb panel 3. The sound-absorbing plates 2 are bonded to the inner surfaces of the aluminum thin plates 1. Support columns 4 are welded at the nodes of the honeycomb panel 3, and the ends of the support columns 4 penetrate the sound-absorbing plates 2 and are welded to the inner surfaces of the aluminum thin plates 1. Protective barriers 5 are welded to the edges of the honeycomb panel 3. The barriers 5 are welded between the two layers of aluminum thin plates 1. The surface of the aluminum thin plates 1 is provided with arrayed sound-absorbing holes 6, and the axis of the sound-absorbing holes 6 coincides with the honeycomb central axis of the honeycomb panel 3.

[0024] In this embodiment, sound-absorbing panels 2 are bonded to the two outer surfaces of the honeycomb panel 3, while sound-absorbing holes 6 are provided on the aluminum sheet 1. This allows sound in the air to be transmitted to the sound-absorbing panels 2 through the sound-absorbing holes 6 for sound absorption, thereby reducing the echo generated by the sound coming into contact with the concrete wall. The honeycomb panel 3 between the two sound-absorbing panels 2 also has the effect of reducing sound transmission through its honeycomb structure, thus realizing the sound absorption and noise reduction function of the honeycomb aluminum panel. The baffle 5 welded to the edge of the honeycomb panel 3 enhances the strength of the edge of the honeycomb aluminum panel, serving the purpose of protecting the edge of the honeycomb aluminum panel. The axis of the sound-absorbing hole 6 coincides with the honeycomb central axis of the honeycomb panel 3, avoiding the problem of the aluminum sheet 1 and the support column 4 being difficult to weld and fix due to the correspondence between the support column 4 and the sound-absorbing hole 6.

[0025] Specifically, the sound-absorbing panel 2 includes a pearl cotton sound-absorbing panel 21 and a polyester fiber sound-absorbing cotton 22. Two layers of polyester fiber sound-absorbing cotton 22 are bonded to both sides of the pearl cotton sound-absorbing panel 21. The surface of the pearl cotton sound-absorbing panel 21 has through-holes 24. Both sides of the pearl cotton sound-absorbing panel 21 have guide grooves 25 that communicate with the guide holes 24. The surface of the polyester fiber sound-absorbing cotton 22 has limiting holes 23. The distance between two adjacent guide holes 24 is half the distance between two adjacent limiting holes 23, and the axis of the limiting hole 23 coincides with the axis of the guide hole 24. The thickness of the polyester fiber sound-absorbing cotton 22 is one-fifth the thickness of the pearl cotton sound-absorbing panel 21.

[0026] In this embodiment, a sound-absorbing panel 2 is composed of pearl cotton sound-absorbing board 21 and polyester fiber sound-absorbing cotton 22. The two layers of polyester fiber sound-absorbing cotton 22 are bonded to both sides of the pearl cotton sound-absorbing board 21, which facilitates the bonding of polyester fiber sound-absorbing cotton 22 to both sides of the pearl cotton sound-absorbing board 21, so that the honeycomb aluminum panel can be used on both sides. A through-hole 24 is opened on the surface of the pearl cotton sound-absorbing board 21, which is connected to the guide groove 25 opened on both sides. This allows the sound transmitted from the aluminum sheet 1 to the sound-absorbing panel 2 through the sound-absorbing hole 6 to be partially transmitted to the guide hole 24 through the limiting hole 23 opened on the surface of the polyester fiber sound-absorbing cotton 22, and partially transmitted to the guide groove 25 through the polyester fiber sound-absorbing cotton 22. Since the sound propagation speed is different on objects of different materials, the sound is silenced by the cooperation of the pearl cotton sound-absorbing board 21 and the polyester fiber sound-absorbing cotton 22, thereby realizing the sound absorption and noise reduction function of the honeycomb aluminum panel.

[0027] Specifically, fence 5 has a rectangular structure, and each side of fence 5 is a polygonal plate.

[0028] Specifically, the aluminum sheet 1 has a thickness of 1.0 mm, and the honeycomb wall thickness of the honeycomb panel 3 is 1.5 mm.

[0029] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A honeycomb aluminum panel with sound absorption and noise reduction function, comprising a honeycomb panel (3) and two layers of aluminum thin plates (1) located on both sides of the honeycomb panel (3), characterized in that: The honeycomb panel (3) has sound-absorbing panels (2) bonded to both outer surfaces. The sound-absorbing panels (2) are bonded to the inner surface of the aluminum sheet (1). Support columns (4) are welded at the nodes of the honeycomb panel (3). The ends of the support columns (4) penetrate the sound-absorbing panels (2) and are welded to the inner surface of the aluminum sheet (1). Protective barriers (5) are welded to the edges of the honeycomb panel (3). The barriers (5) are welded between the two layers of aluminum sheets (1). The surface of the aluminum sheet (1) has arrayed sound-absorbing holes (6), and the axis of the sound-absorbing holes (6) coincides with the honeycomb central axis of the honeycomb panel (3).

2. The honeycomb aluminum panel with sound absorption and noise reduction function according to claim 1, characterized in that: The sound-absorbing panel (2) includes a pearl cotton sound-absorbing panel (21) and a polyester fiber sound-absorbing cotton (22). The two layers of polyester fiber sound-absorbing cotton (22) are bonded to both sides of the pearl cotton sound-absorbing panel (21). The surface of the pearl cotton sound-absorbing panel (21) is provided with through-holes (24). Both sides of the pearl cotton sound-absorbing panel (21) are provided with guide grooves (25) that communicate with the guide holes (24). The surface of the polyester fiber sound-absorbing cotton (22) is provided with limiting holes (23).

3. A honeycomb aluminum panel with sound absorption and noise reduction function according to claim 2, characterized in that: The distance between two adjacent guide holes (24) is half the distance between two adjacent limiting holes (23), and the axis of the limiting hole (23) coincides with the axis of the guide hole (24).

4. A honeycomb aluminum panel with sound absorption and noise reduction function according to claim 2, characterized in that: The thickness of the polyester fiber sound-absorbing cotton (22) is one-fifth the thickness of the pearl cotton sound-absorbing board (21).

5. A honeycomb aluminum panel with sound absorption and noise reduction function according to claim 1, characterized in that: The enclosure (5) is a rectangular structure, and each side of the enclosure (5) is a polygonal plate.

6. A honeycomb aluminum panel with sound absorption and noise reduction function according to claim 1, characterized in that: The aluminum sheet (1) has a thickness of 1.0 mm, and the honeycomb wall thickness of the honeycomb plate (3) is 1.5 mm.

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