PC board hollow structure with acoustic noise reduction structure

By setting sound-absorbing panels and micropores inside the hollow structure of a PC board and using metal support plates, the acoustic noise reduction and structural strength problems of the hollow structure of the PC board are solved, achieving both sound absorption and noise reduction functions and enhanced strength.

CN224203839UActive Publication Date: 2026-05-05ZONE STRONG(SUZHOU) NEW MATERIAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZONE STRONG(SUZHOU) NEW MATERIAL CO LTD
Filing Date
2025-05-19
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

The existing hollow structure of PC boards does not have acoustic noise reduction function, and its functionality and structural strength are weak.

Method used

First and second sound-absorbing panels and micropores are set inside the hollow structure of the PC board, and the structure is reinforced by metal support cross plates. The acoustic noise reduction effect is enhanced by the design of the first and second hollow frames.

Benefits of technology

The hollow structure of the PC board achieves sound absorption and noise reduction, enhancing functionality while improving structural strength.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of PC board hollow structures, and discloses a PC board hollow structure with an acoustic noise reduction structure, which comprises a PC board frame body, a supporting transverse plate is connected to the middle of the interior of the PC board frame body, a first acoustic board is arranged at the top of the interior of the PC board frame body, a second acoustic board is arranged at the bottom of the interior of the PC board frame body, and the first acoustic board and the second acoustic board are arranged in the PC board frame body. A first hollow frame is connected between the PC plate frame and the top of the supporting transverse plate, a second hollow frame is connected between the PC plate frame and the bottom of the supporting transverse plate, a plurality of micropores are evenly formed in the outer side wall of the first hollow frame and the outer side wall of the second hollow frame, and the top of the first hollow frame penetrates through the first sound absorption plate. According to the utility model, the first sound-absorbing board, the second sound-absorbing board and the plurality of micropores are arranged and are matched with each other, so that the hollow structure of the PC board has an acoustic noise reduction structure, the sound-absorbing and noise-reducing functions are realized, and the functionality is enhanced.
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Description

Technical Field

[0001] This utility model relates to the field of PC board hollow structure technology, specifically a PC board hollow structure with acoustic noise reduction structure. Background Technology

[0002] PC sheet, also known as polycarbonate sheet, polyester sheet, or Kapron sheet, is resistant to weak acids. It is made primarily of polycarbonate using co-extrusion technology. PC sheets are resistant to neutral oils but not to strong acids, and are not durable or alkali-resistant, requiring a UV coating. Hollow core PC sheets are one type of PC sheet.

[0003] The existing hollow structure of PC boards lacks an acoustic noise reduction structure, resulting in a lack of sound absorption and noise reduction functions, weak functionality, and relatively weak structural strength. Therefore, there is an urgent need for a hollow PC board structure with an acoustic noise reduction structure to solve the above-mentioned technical problems. Utility Model Content

[0004] The purpose of this utility model is to provide a hollow PC board structure with an acoustic noise reduction structure, so as to solve the problem mentioned in the background art that the existing hollow PC board structure does not have an acoustic noise reduction structure, thus lacking sound absorption and noise reduction function, having weak functionality, and having weak structural strength.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A hollow PC board structure with acoustic noise reduction features includes a PC board frame, a supporting horizontal plate connected to the middle of the PC board frame, a first sound-absorbing plate disposed at the top of the PC board frame, a second sound-absorbing plate disposed at the bottom of the PC board frame, a first hollow frame connected between the top of the PC board frame and the supporting horizontal plate, and a second hollow frame connected between the bottom of the PC board frame and the supporting horizontal plate. A plurality of micro-holes are evenly distributed on the outer walls of the first and second hollow frames.

[0007] As a preferred embodiment of this utility model, the top of the first hollow frame passes through the first sound-absorbing panel.

[0008] As a preferred embodiment of this utility model, the bottom of the second hollow frame passes through the second sound-absorbing plate.

[0009] In a preferred embodiment of this invention, the supporting cross plate is a metal plate.

[0010] As a preferred embodiment of this utility model, the cross-sectional shape of the first hollow frame is a non-U-shaped structure.

[0011] As a preferred embodiment of this utility model, the cross-sectional shape of the second hollow frame is a non-U-shaped structure.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. This utility model, by setting a first sound-absorbing plate and a second sound-absorbing plate and a number of micropores, utilizes the mutual cooperation between them to make the hollow structure of the PC board have an acoustic noise reduction structure, thus enabling it to have sound absorption and noise reduction functions and enhancing its functionality.

[0014] 2. This utility model strengthens the structural strength of the hollow PC board by setting a metal support plate. Attached Figure Description

[0015] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a cross-sectional view of the overall structure of this utility model;

[0018] Figure 3 This utility model Figure 1 A magnified structural diagram of point A in the middle.

[0019] In the diagram: 1. PC board frame; 2. First sound-absorbing panel; 3. Second sound-absorbing panel; 4. First hollow frame; 5. Second hollow frame; 6. Supporting cross plate; 7. Micropores. Detailed Implementation

[0020] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the utility model. Furthermore, it should be noted that, for ease of description, only the parts relevant to the utility model are shown in the accompanying drawings. In the embodiments of the present utility model, the different types of cross-sectional lines are not labeled according to national standards, nor do they specify material requirements for the components; they are used to distinguish the cross-sectional views of the components in the drawings.

[0021] Please see Figure 1-3A hollow PC board structure with acoustic noise reduction features includes a PC board frame 1, a supporting horizontal plate 6 connected to the middle of the PC board frame 1, a first sound-absorbing plate 2 disposed at the top of the PC board frame 1, a second sound-absorbing plate 3 disposed at the bottom of the PC board frame 1, a first hollow frame 4 connected between the top of the PC board frame 1 and the supporting horizontal plate 6, and a second hollow frame 5 connected between the bottom of the PC board frame 1 and the supporting horizontal plate 6. A plurality of micro-holes 7 are evenly distributed on the outer walls of the first hollow frame 4 and the second hollow frame 5. By setting the first sound-absorbing plate 2, the second sound-absorbing plate 3, and the plurality of micro-holes 7, and utilizing their mutual cooperation, the hollow PC board structure possesses an acoustic noise reduction feature, thereby enhancing its sound absorption and noise reduction function.

[0022] The top of the first hollow frame 4 passes through the first sound-absorbing panel 2.

[0023] The bottom of the second hollow frame 5 passes through the second sound-absorbing panel 3.

[0024] Among them, the supporting horizontal plate 6 is a metal plate, which can strengthen the structural strength of the hollow structure of the PC board.

[0025] Among them, the cross-sectional shape of the first hollow frame 4 is a non-I-shaped structure.

[0026] Among them, the cross-sectional shape of the second hollow frame 5 is a non-U-shaped structure.

[0027] The working principle and usage process of this utility model are as follows: First, a number of micro-holes are opened on the first sound-absorbing plate 2 and the second sound-absorbing plate 3, as well as on the first hollow frame 4 and the second hollow frame 5. By utilizing their mutual cooperation, the hollow structure of the PC board has an acoustic noise reduction structure, thus enabling it to absorb and reduce noise, enhancing its functionality. By setting a metal support plate 6, the structural strength of the hollow structure of the PC board can be strengthened. The contents not described in detail in this description belong to the prior art known to those skilled in the art.

[0028] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the utility model involved in this application is not limited to the technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. A hollow PC board structure with acoustic noise reduction, comprising a PC board frame (1), characterized in that: A supporting horizontal plate (6) is connected to the middle of the interior of the PC board frame (1). A first sound-absorbing plate (2) is provided at the top of the interior of the PC board frame (1). A second sound-absorbing plate (3) is provided at the bottom of the interior of the PC board frame (1). A first hollow frame (4) is connected between the top of the PC board frame (1) and the supporting horizontal plate (6). A second hollow frame (5) is connected between the bottom of the PC board frame (1) and the supporting horizontal plate (6). A plurality of micro holes (7) are evenly opened on the outer side walls of the first hollow frame (4) and the second hollow frame (5).

2. The hollow structure of a PC board with acoustic noise reduction structure according to claim 1, characterized in that: The top of the first hollow frame (4) passes through the first sound-absorbing panel (2).

3. The hollow structure of a PC board with acoustic noise reduction structure according to claim 1, characterized in that: The bottom of the second hollow frame (5) passes through the second sound-absorbing panel (3).

4. The hollow structure of a PC board with acoustic noise reduction structure according to claim 1, characterized in that: The supporting cross plate (6) is a metal plate.

5. The hollow structure of a PC board with acoustic noise reduction structure according to claim 1, characterized in that: The cross-sectional shape of the first hollow frame (4) is a non-character structure.

6. The hollow structure of a PC board with acoustic noise reduction structure according to claim 1, characterized in that: The cross-sectional shape of the second hollow frame (5) is a non-character structure.