阅读说明：本技术 船用高效吸音板 (Marine high-efficient abatvoix ) 是由 彭爱军 詹小三 刘州文 于 2019-10-30 设计创作，主要内容包括：本发明涉及一种用高效吸音板。具体说,是集吸音、隔音于一体的高效吸音板。它包括背板、面板和包边.所述背板为平板。其特点是：所述面板上均布有微孔。背板与面板间依次有蜂窝板、微孔板、隔音棉层、聚酰亚胺层,隔音棉层与聚酰亚胺层的四周间有隔离框,所述背板、蜂窝板、微孔板、隔音棉层、隔离框、聚酰亚胺层和面板的边沿通过包边连接在一起。采用这种船用高效吸音板,不仅省工、省时,还可降低安装费用。适用于船舶的机舱引擎舱和工作机组舱的舱壁和天花板上。(The invention relates to kinds of efficient sound-absorbing boards, in particular to an efficient sound-absorbing board which integrates sound absorption and sound insulation into bodies, which comprises a back board, a panel and a wrapping edge, wherein the back board is a flat board and is characterized in that micropores are uniformly distributed on the panel, a honeycomb board, a microporous board, a soundproof cotton layer and a polyimide layer are sequentially arranged between the back board and the panel, an isolation frame is arranged between the soundproof cotton layer and the polyimide layer, and the edges of the back board, the honeycomb board, the microporous board, the soundproof cotton layer, the isolation frame, the polyimide layer and the panel are connected with through the wrapping edge.)

1. The marine high-efficiency sound-absorbing board comprises a back board, a panel and a covered edge, wherein the back board is a flat board, and is characterized in that micropores are uniformly distributed on the panel, a honeycomb board, a microporous board, a soundproof cotton layer and a polyimide layer are sequentially arranged between the back board and the panel, an isolation frame is arranged between the soundproof cotton layer and the polyimide layer, and the edges of the back board, the honeycomb board, the microporous board, the soundproof cotton layer, the isolation frame, the polyimide layer and the panel are connected with through the covered edge.

2. The marine high efficiency sound absorbing sheet according to claim 1, wherein: the face plate and the back plate are steel plates.

3. The marine high efficiency sound absorbing sheet according to claim 1, wherein: and a sound absorption film is arranged between the panel and the polyimide layer, and the sound absorption film is a colorless and transparent polyurethane film.

4. The marine high efficiency sound absorbing sheet according to claim 1, wherein: the honeycomb plate is formed by connecting microtubes with hexagonal cross sections in parallel, and the longitudinal directions of the microtubes are parallel to the plate surface of the back plate.

5. The marine high efficiency sound absorbing sheet according to claim 1, wherein: the soundproof cotton layer is rock wool.

6. The marine high efficiency sound absorbing sheet according to claim 1, wherein: the isolation frame is formed by processing channel steel.

7. The highly efficient sound-absorbing board for ships as claimed in claim 1, wherein said back board, said honeycomb board, said porous board, said spacer frame, said soundproof cotton layer, said polyimide layer and said face board are glued together at .

Technical Field

The invention relates to sound-absorbing boards, in particular to a high-efficiency sound-absorbing board which can absorb and insulate sound from bodies, and is particularly suitable for bulkheads and ceilings of engine cabins and working machine cabins of ships.

Background

At present, in order to reduce the noise generated when a cabin engine and a working unit of a ship run, sound-absorbing boards and sound-insulating boards are mostly arranged in the cabin engine cabin and the working unit cabin, and although the sound-absorbing boards and the sound-insulating boards can reduce noises, the installation is labor-consuming and time-consuming due to the fact that two boards are needed, and the installation cost is high.

Disclosure of Invention

The invention aims to provide high-efficiency acoustic boards for ships.

The above problems to be solved by the present invention are realized by the following technical solutions:

the efficient sound-absorbing board comprises a back board, a panel and a wrapping edge, wherein the back board is a flat board and is characterized in that micropores are uniformly distributed on the panel, a honeycomb board, a microporous board, a soundproof cotton layer and a polyimide layer are sequentially arranged between the back board and the panel, an isolation frame is arranged between the soundproof cotton layer and the polyimide layer, and the edges of the back board, the honeycomb board, the microporous board, the soundproof cotton layer, the isolation frame, the polyimide layer and the panel are connected with through the wrapping edge.

Wherein:

the face plate and the back plate are steel plates;

a sound absorption film is arranged between the panel and the polyimide layer, and the sound absorption film is a colorless and transparent polyurethane film;

the honeycomb plate is formed by connecting microtubes with hexagonal cross sections in parallel, and the longitudinal directions of the microtubes are parallel to the plate surface of the back plate;

the soundproof cotton layer is rock wool;

the isolation frame is formed by processing channel steel;

the back plate, the honeycomb plate, the micropore plate, the isolation frame, the soundproof cotton layer, the polyimide layer and the panel are all glued at .

According to the scheme, the micro holes are uniformly distributed on the panel, the honeycomb plate, the microporous plate, the soundproof cotton layer and the polyimide layer are sequentially arranged between the back plate and the panel, the isolation frame is arranged between the soundproof cotton layer and the polyimide layer, the back plate, the honeycomb plate, the microporous plate, the soundproof cotton layer, the isolation frame, the polyimide layer and the panel are glued together at , the edges of the back plate, the honeycomb plate, the microporous plate, the soundproof cotton layer, the isolation frame, the polyimide layer and the panel are connected together at through edge wrapping, the sound absorption and sound insulation effects can be achieved by utilizing plates, compared with the noise reduction by utilizing the sound absorption plate and the sound insulation plate in the background technology, the labor and time are saved during installation.

Drawings

FIG. 1 is a schematic representation of a marine high efficiency sound absorbing panel of the present invention;

fig. 2 is a sectional view a-a of fig. 1.

Detailed Description

As shown in fig. 1 and 2, the high-efficiency sound-absorbing board for ships comprises a back board 7, a panel 1 and a wrapping edge 8, wherein the back board 7 is a flat board, micropores are uniformly distributed on the back board 7, a honeycomb board 6, a microporous board 5, a soundproof cotton layer 4 and a polyimide layer 2 are sequentially compounded between the back board 7 and the panel 1, a separation frame is arranged between the soundproof cotton layer 4 and the polyimide layer 2, and the back board 7, the honeycomb board 6, the microporous board 5, the soundproof cotton layer 4, the separation frame 3, the polyimide layer 2 and the edge of the panel 1 are connected with through the wrapping edge 8.

Wherein, the panel 1 and the back plate 7 are both steel plates; the panel 1 can be made of stainless steel plates. The soundproof cotton layer 4 is rock wool, and the isolation frame 3 is formed by processing channel steel.

In order to improve the sound absorption effect, a sound absorption film is provided between the panel 1 and the polyimide layer 2. The sound absorbing film is a colorless and transparent polyurethane film, and is attached to the back surface of the panel.

The honeycomb plate 6 is formed by connecting microtubes with hexagonal cross sections in parallel, and the longitudinal directions of the microtubes are parallel to the plate surface of the back plate 7.

The back plate 7, the honeycomb plate 6, the microporous plate 5, the soundproof cotton layer 4, the isolation frame 3, the polyimide layer 2 and the panel 1 are all glued at , wherein the back plate 7 and the honeycomb plate 5 are compounded at by adopting 3012 type epoxy glue, the honeycomb plate 5 and the microporous plate 5 are compounded at by adopting 3012 type epoxy glue, the microporous plate 5 and the soundproof cotton layer 4 are compounded at by adopting PAPU-30 type adhesive, the soundproof cotton layer 4 and the periphery of the polyimide layer 2 are fixed at by adopting PAPU-30 type adhesive and screws, and the polyimide layer 2 is compounded at with the panel 1 by the PAPU-30 type adhesive and the sound absorption film.

The cross section of the covered edge 8 is groove-shaped and is made of stainless steel, and the back plate 7, the honeycomb plate 6, the microporous plate 5, the soundproof cotton layer 4, the isolation frame 3, the polyimide layer 2 and the periphery of the panel 1 are fixed at through the covered edge 8.