CN216973805U

CN216973805U - Rock wool board with sound absorption function

Info

Publication number: CN216973805U
Application number: CN202220068852.4U
Authority: CN
Inventors: 丁东青
Original assignee: Jiangsu Dingxu Energy Saving Building Materials Technology Co ltd
Current assignee: Jiangsu Dingxu Energy Saving Building Materials Technology Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-07-15
Anticipated expiration: 2032-01-12

Abstract

The utility model discloses a rock wool board with sound absorption function, which comprises a rock wool board wall body base layer, wherein the front surface of the rock wool board wall body base layer is fixedly connected with a rock wool board sound absorption layer, the front surface of the rock wool board sound absorption layer is fixedly connected with a rock wool board anti-cracking sand layer, the top and the bottom of the rock wool board sound absorption layer are respectively provided with a plurality of groups of sound absorption holes, the top of the inner side of the rock wool board sound absorption layer is provided with a first sound absorption cavity, the inner wall of the first sound absorption cavity is fixedly provided with a sound insulation board, the middle of the first sound absorption cavity is provided with a sound through hole, the bottom of the first sound absorption cavity is provided with a second sound absorption cavity, the two sides of the bottom of the first sound absorption cavity are provided with sound return holes, the bottom of the rock wool board sound absorption layer is fixedly provided with two groups of springs, the bottoms of the two groups of springs are fixedly connected with a baffle, the baffle is positioned at the bottom of the sound return hole, the inner wall of the second sound absorption cavity is fixedly provided with sound absorption cotton, the device has solved the current poor problem of sound effect of inhaling.

Description

Rock wool board with sound absorption function

Technical Field

The utility model belongs to the technical field of rock wool boards, and particularly relates to a rock wool board with a sound absorption function.

Background

Along with the rapid development of national economy of China, the variety and style of buildings are endlessly varied, the requirements on the application of building energy-saving materials and the protection of fire safety problems are higher and higher, the rock wool board is introduced into China from the end of the 20 th century and the 90 th year, and has been widely recognized after more than 10 years of rapid development and becomes a preferred scheme of a plurality of engineering projects.

The heat preservation and the fire-retardant of rock wool board itself are mainly paid close attention to current rock wool board, and inhale the research of inhaling the sound and falling the type of making an uproar rock wool then less, and the travelling comfort is not high when the use, can not play fine syllable-dividing effect. This phenomenon is a problem that those skilled in the art are urgently required to solve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art by aiming at a rock wool board with a sound absorption function of the existing collecting device.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a rock wool board with inhale sound function, includes rock wool board wall body basic unit, the front fixedly connected with rock wool board sound absorption layer of rock wool board wall body basic unit, the front fixedly connected with rock wool board crack control sand bed on rock wool board sound absorption layer.

The utility model further discloses that a plurality of groups of sound absorption holes are formed in the top and the bottom of the sound absorption layer of the rock wool board, a first sound attenuation cavity is formed in the top of the inner side of the sound absorption layer of the rock wool board, a sound insulation board is fixedly installed on the inner wall of the first sound attenuation cavity, and a sound through hole is formed in the middle of the first sound attenuation cavity.

The utility model further discloses that a second silencing cavity is arranged at the bottom of the first silencing cavity, sound returning holes are formed in two sides of the bottom of the first silencing cavity, two groups of springs are fixedly installed at the bottom of the inner side of the sound absorption layer of the rock wool board, baffles are fixedly connected to the bottoms of the two groups of springs and located at the bottoms of the sound returning holes, and sound absorbing cotton is fixedly installed on the inner wall of the second silencing cavity.

The utility model further discloses that the upper surface of the rock wool board wall body base layer is fixedly connected with an aluminum foil layer.

Compared with the prior art, the utility model has the following beneficial effects: in the utility model, the raw materials are mixed,

(1) the rock wool board anti-cracking sand layer is adopted, when the rock wool board is installed on the building outer wall, the rock wool board wall body base layer and the building surface are tightly adhered and fixedly installed, the rock wool board anti-cracking sand layer faces to the outermost side, and when the rock wool board is irradiated by high sun temperature for a long time in summer or encounters a fire disaster, the rock wool board anti-cracking sand layer on the inner side can be protected, so that deformation is avoided;

(2) the sound insulation board is adopted, when external noise is generated, a plurality of groups of sound absorption holes are holes with different depths, shapes and apertures, sound waves penetrate into the interior of a sound absorption layer of the rock wool board along the holes, the sound waves generate a friction action with materials to convert sound energy into heat energy and consume a part of the sound energy, the rest part of the sound energy enters the first sound elimination cavity, the sound waves enter groove holes in the sound insulation board, the sound waves enter the interior of the sound insulation board along the groove holes to cause the vibration of air in gaps, a part of the sound energy is converted into the heat energy again to be lost, the rest part of the sound energy continues to be transmitted downwards through the vent holes, and the primary sound absorption and noise reduction effects are achieved through the sound absorption holes and the sound insulation board;

(3) adopt and inhale sound cotton and spring, the sound wave enters into the second amortization intracavity from the ventilation hole, and the part is incited in inhaling the cotton recess hole of sound, and when another part arrived the baffle, the spring received the pressure of sound energy and is bounced forward, and transmit the sound wave and inhale near the sound cotton, carry out a lot of sound energy conversion and be heat energy processing, reach the multiple effect of inhaling the sound, the sound hole of inhaling of sound absorption layer bottom of rock wool board can be to the sound energy of inflow baffle bottom and do the amortization processing, and the noise of preventing leaks.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the rock wool panel of the present invention;

in the figure: 1. a rock wool panel wall body base layer; 2. a rock wool board sound absorption layer; 3. rock wool board crack control sand layer; 4. a sound absorption hole; 5. a first muffling chamber; 6. a sound insulating board; 7. a sound through hole; 8. a second muffling chamber; 9. an echo hole; 10. a spring; 11. a baffle plate; 12. sound-absorbing cotton; 13. an aluminum foil layer.

Detailed Description

The present invention will be described in further non-limiting detail with reference to the following preferred embodiments and accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides the following technical solutions: a rock wool board with a sound absorption function comprises a rock wool board wall body base layer 1, wherein a rock wool board sound absorption layer 2 is fixedly connected to the front side of the rock wool board wall body base layer 1, and a rock wool board anti-cracking sand layer 3 is fixedly connected to the front side of the rock wool board sound absorption layer 2;

the top and the bottom of the sound absorption layer 2 of the rock wool board are both provided with a plurality of groups of sound absorption holes 4, the top of the inner side of the sound absorption layer 2 of the rock wool board is provided with a first sound absorption cavity 5, the inner wall of the first sound absorption cavity 5 is fixedly provided with a sound insulation board 6, the middle of the first sound absorption cavity 5 is provided with a sound through hole 7, when external noise is generated, the plurality of groups of sound absorption holes 4 are holes with different depths, shapes and apertures, sound waves penetrate into the sound absorption layer 2 of the rock wool board along the holes, the sound energy is converted into heat energy through the friction action of materials, a part of sound energy is consumed, the rest part of sound energy enters the first sound absorption cavity 5, the sound waves enter the groove holes on the sound insulation board 6, the sound waves enter the sound insulation board 6 along the groove holes, the vibration of the air in the gaps is caused, a part of the sound energy is converted into the heat energy again and is lost, and the rest part of the sound energy continues to be transmitted downwards through the sound through hole 7, the primary sound absorption and noise reduction effects are achieved through the sound absorption holes 4 and the sound insulation plates 6;

the bottom of the first sound-absorbing cavity 5 is provided with a second sound-absorbing cavity 8, two sides of the bottom of the second sound-absorbing cavity 8 are provided with sound returning holes 9, two groups of springs 10 are fixedly installed at the bottom of the inner side of the sound-absorbing layer 2 of the rock wool board, the bottoms of the two groups of springs 10 are fixedly connected with a baffle plate 11, the baffle plate 11 is positioned at the bottom of the sound returning holes 9, sound-absorbing cotton 12 is fixedly installed on the inner wall of the second sound-absorbing cavity 8, sound waves enter the second sound-absorbing cavity 8 from the sound through holes 7, part of the sound waves enter groove holes of the sound-absorbing cotton 12, and when the other part of the sound-absorbing cotton reaches the baffle plate 11, the springs 10 are bounced forward under the pressure of the sound energy to transmit the sound waves to the vicinity of the sound-absorbing cotton 12 to perform multiple sound energy conversion into heat energy treatment, so as to achieve the effect of multiple sound absorption, and the sound-absorbing holes 4 at the bottom of the sound-absorbing layer 2 of the rock wool board can perform sound-absorbing treatment on the sound energy flowing into the bottom of the baffle plate 11 to prevent noise leakage;

the upper surface fixedly connected with aluminium foil layer 13 of rock wool board wall body basic unit 1, the thickness of aluminium foil layer 13 is 0.02-0.08mm, and the leakproofness of aluminium foil is better, when rainy weather, prevents that rock wool board wall body basic unit 1 from meeting water and weing, effectively increases the life of cotton rock wool board.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Finally, it should be pointed out that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions may be made in some technical features thereof, without departing from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a rock wool board with inhale sound function, includes rock wool board wall body basic unit (1), its characterized in that: the front side of the rock wool board wall body base layer (1) is fixedly connected with a rock wool board sound absorption layer (2), and the front side of the rock wool board sound absorption layer (2) is fixedly connected with a rock wool board anti-cracking sand layer (3);

the top and the bottom of the rock wool board sound absorption layer (2) are provided with a plurality of groups of sound absorption holes (4), the top of the inner side of the rock wool board sound absorption layer (2) is provided with a first sound attenuation cavity (5), the inner wall of the first sound attenuation cavity (5) is fixedly provided with a sound insulation board (6), and the middle of the first sound attenuation cavity (5) is provided with a sound through hole (7);

a second silencing cavity (8) is arranged at the bottom of the first silencing cavity (5), two sides of the bottom of the second silencing cavity (8) are provided with sound returning holes (9), two groups of springs (10) are fixedly mounted at the bottom of the inner side of the rock wool board sound absorption layer (2), the bottoms of the two groups of springs (10) are fixedly connected with a baffle (11), the baffle (11) is positioned at the bottom of the sound returning holes (9), and sound absorbing cotton (12) is fixedly mounted on the inner wall of the second silencing cavity (8);

the upper surface fixedly connected with aluminium foil layer (13) of rock wool board wall body basic unit (1).