CN2680756Y

CN2680756Y - Flexible sound absorption board

Info

Publication number: CN2680756Y
Application number: CN 200320131737
Authority: CN
Inventors: 杨益琴; 杨立祥
Original assignee: FENGYUEDA INDUSTRY-TRADE Co Ltd BEIJING
Current assignee: FENGYUEDA INDUSTRY-TRADE Co Ltd BEIJING
Priority date: 2003-12-30
Filing date: 2003-12-30
Publication date: 2005-02-23
Anticipated expiration: 2013-12-30

Abstract

The utility model discloses a flexible sound absorption board which is formed by that a plurality of holes with identical or different diameters are formed on a main body of the sound absorption board, and the main body is formed by pressing a printing layer, a sound absorption layer and a back sealed layer together. The flexible sound absorption board which is easy to be processed into sound absorption bodies with different shapes has the advantages of good flexibility, smooth surface, easy cleaning and maintenance, good decorative effect and good sound absorption effect. The utility model can be used for absorbing sound in singing and dancing halls, concert halls, recording rooms and meeting rooms.

Description

Flexible acoustical board

Technical field

The utility model relates to the noise control technique field, particularly the sound absorption product.

Background technology

The acoustical board that uses in the noise abatement engineering at present mostly is hard acoustical boards such as perforated metal panel, this perforated metal panel acoustically effective is better, but makes relatively difficulty, in use because metal sheet has certain degree of hardness, it is big to be processed into difform sound absorber difficulty, and decorative effect is poor.

The utility model content

The purpose of this utility model provides a kind of flexible acoustical board, this acoustical board has good pliability, is easy to be processed into difform sound absorber, and the acoustical board smooth surface, maintenance easy to clean also has good decoration effect and good acoustically effective.

For achieving the above object, the technical solution adopted in the utility model is: a kind of flexible acoustical board, comprise printed layer, absorbent treatment, back of the body seal, and also comprise the hole; Described printed layer is positioned at the acoustical board surface, described absorbent treatment is positioned at the acoustical board middle part, make by sound absorption material, described back of the body seal is positioned at the acoustical board bottom surface, make by high-intensity nontoxic PVC, printed layer, absorbent treatment, back of the body seal by being pressed into the acoustical board main body in proper order up and down, are had the identical or different hole of a plurality of diameters on the acoustical board main body.

The percent opening of described acoustical board is 10-20%, and the diameter in hole is Φ 1-8mm.

The thickness of described acoustical board is 1-8mm.

The flexible acoustical board of the utility model is compared with the hard acoustical board, has following beneficial effect:

1. flexible good, be easy to be processed into difform sound absorber

Because flexible acoustical board has good pliability, can be curled into difformity arbitrarily, be easy to be used for the sound absorption place of moulding labyrinth, and the hard acoustical board is difficult for being curled into different shape, processing and fabricating is very inconvenient.

2. good decorative property

Flexible acoustical board surface can be printed with various bright styles, and multiple color is available, and colour-fast, thereby has good decorate properties, can be widely used in the sound absorption in places such as dancing hall, concert hall, recording room.

3. pollute maintenance little, easy to clean

Flexible acoustical board smooth surface, and absorbent treatment is pressed between printed layer and the back of the body seal, is difficult for producing pollution, during acoustical board surface contamination dust, is easy to clean with rag.

4. acoustically effective is good

The sound absorption of flexible acoustical board realizes by the absorbent treatment of being made by sound absorption material in the middle of the acoustical board on the one hand, realize by on acoustical board, having the identical or different hole of a plurality of diameters on the other hand, frequency difference according to different noises, but the aperture that designed size is different and the quantity in hole effectively control noise, reach better acoustically effective, on same acoustical board, can have the identical hole of a plurality of diameters, also can have the different hole of a plurality of diameters.

Description of drawings

Fig. 1 is flexible acoustical board schematic perspective view;

Fig. 2 is the A-A cross-sectional schematic of Fig. 1.

The specific embodiment

As depicted in figs. 1 and 2, with printed layer 1, absorbent treatment 2 and back of the body seal 3 are by last, following order is pressed into the acoustical board main body, body thickness is 3mm, printed layer 1 is a pale blue, absorbent treatment 2 adopts glass fiber to make, thickness is 1.5mm, back of the body seal 3 adopts the nontoxic PVC plate of high rigidity to make, thickness is 1mm, and on the good rectangle acoustical board main body of pressing, the making percent opening is 15% circular hole, the aperture is designed to Φ 1-8mm according to the noise frequency of the actual test of recording room and does not wait, a plurality of rectangle acoustical boards are curled into a plurality of semicircles are installed on the recording room ceiling, existing noise elimination effect has decorative effect again.

Claims

1. a flexible acoustical board comprises printed layer (1), absorbent treatment (2), back of the body seal (3), it is characterized in that: also comprise hole (4); Described printed layer (1) is positioned at the acoustical board surface, described absorbent treatment (2) is positioned at the acoustical board middle part, make by sound absorption material, described back of the body seal (3) is positioned at the acoustical board bottom surface, make by high-intensity nontoxic PVC, printed layer (1), absorbent treatment (2), back of the body seal (3) by being pressed into the acoustical board main body in proper order up and down, are had the identical or different hole of a plurality of diameters (4) on the acoustical board main body.

2. flexible acoustical board according to claim 1 is characterized in that: the percent opening of described acoustical board is 10-20%, and the diameter of hole (4) is Φ 1-8mm.

3. flexible acoustical board according to claim 1 is characterized in that: the thickness of described acoustical board is 1-8mm.