CN206110345U - Heat and sound isolation prefabricated house - Google Patents

Abstract

The utility model discloses a heat-insulating and sound-insulating activity room, which comprises a top surface, a ground moisture-proof board and at least three facades. The inner sound insulation board is set on the inner side of the skeleton; the cross-sectional thickness of the skeleton is equal to the thickness of the heat and sound insulation air layer, and the cross-sectional thickness of the skeleton is d≥50mm; the outer sound insulation board and the inner sound insulation board are in turn from the outside to the inside. Fine glass fiber cotton layer, alkali-free hydrophobic glass fiber cloth layer and galvanized perforated board layer; the specific gravity of the ultra-fine glass fiber cotton of the outer sound insulation board is greater than or smaller than that of the ultra-fine glass fiber cotton of the inner sound insulation board. The cross-sectional size of the skeleton is used to form a heat-insulating and sound-insulating air layer, which enhances the sound insulation effect while having the heat insulation function; the outer sound insulation board and the inner sound insulation board adopt different specific gravity to suppress the noise of different frequencies, prevent the formation of resonance, and affect the noise reduction value , Wider sound insulation spectrum, can isolate low, medium and high frequency sound source noise.

Description

Heat-insulated and sound-proof activity room

technical field

The utility model relates to the field of noise control, in particular to a heat-insulating and sound-insulating activity room.

Background technique

With the development of modern industry, noise pollution has become a major hazard to human beings. Noise pollution, water pollution, air pollution, and solid waste pollution are regarded as four major environmental problems on the earth. In order to reduce the impact of noise on the working and living environment, there are mainly the following noise control methods: Method 1: Control the noise source. Reduce the noise of the sound source, choose low-noise production equipment and improve the production process, or change the movement mode of the noise source; method 2: block the noise transmission. Reduce noise in the sound transmission path, such as sound absorption, sound insulation, sound barrier, vibration isolation and other measures; method three: reduce noise at the human ear; the sound recipient wears ear protectors such as earplugs, earmuffs or helmets.

Prefab rooms play a very important role in some construction sites, temporary offices, and headquarters built after natural disasters. Most of the current prefab houses are steel frame structures. After fixing the wall panels on the steel frame structures, the prefab houses are formed. It is convenient to build, and the structure is simple and practical, and its heat insulation and sound insulation effects are not good.

Utility model content

The technical problem to be solved by the utility model is to provide a heat-insulation and sound-insulation prefabricated room which not only has a good heat and sound insulation effect, but also has a wide sound insulation spectrum.

The heat-insulating and sound-insulating prefabricated house adopted by the utility model to solve the technical problem includes a top surface, a bottom surface and at least three facades, and the facade and the top surface all include a skeleton, an outer sound insulation board and an inner sound insulation board, and the outer The sound insulation board is arranged on the outside of the skeleton, and the inner sound insulation board is arranged on the inside of the skeleton; the cross-sectional thickness of the skeleton is equal to the thickness of the heat and sound insulation air layer between the outer sound insulation board and the inner sound insulation board, and the cross-sectional thickness of the skeleton d≥ 50mm;

The outer sound insulation board is composed of color steel plate layer, superfine glass fiber cotton layer, alkali-free hydrophobic glass fiber cloth layer and galvanized perforated board layer from outside to inside, and the inner sound insulation board is composed of galvanized perforated board layer from inside to outside. layer, non-alkali hydrophobic glass fiber cloth layer, ultrafine glass fiber cotton layer and color steel plate layer; the specific gravity of the ultrafine glass fiber cotton of the outer sound insulation board is greater than or smaller than that of the ultrafine glass fiber cotton of the inner sound insulation board.

Further, the average sound absorption coefficient of the ultra-fine glass fiber cotton of the outer sound insulation board and the inner sound insulation board is ≥0.8.

Further, the specific gravity of the ultra-fine glass fiber cotton of the outer sound insulation board is greater than that of the inner sound insulation board, and the specific gravity of the ultra-fine glass fiber cotton of the outer sound insulation board is ≥ 4.5kg/m ² , The specific gravity of the superfine glass fiber wool of the inner sound insulation board is ≥1.5kg/m ² .

Further, the bottom of the facade is provided with an L-shaped anti-collision plate, the vertical plate of the L-shaped anti-collision plate is coated on the outer surface of the outer sound insulation board, and the horizontal plate of the L-shaped anti-collision plate is coated on the on the underside of the façade.

Further, the bottom of the anti-collision plate is provided with a rubber gasket.

Further, the bottom surface includes a moisture-proof board and reinforcement ribs, the reinforcement ribs are fixed on the skeleton of the facade, and the moisture-proof board is fixed on the reinforcement ribs; the height h of the moisture-proof board from the ground is ≥ 120mm.

Further, a waterproof roof tile is provided on the outer sound insulation board of the top surface.

Further, lifting lugs are provided on the framework of the top surface.

Further, one of the façades is equipped with soundproof windows.

Further, the soundproof window includes two layers of soundproof hollow glass windows and an intermediate air layer between the two layers of soundproof hollow glass windows; each layer of soundproof hollow glass windows includes two layers of glass and an air space layer between the two layers of glass; The thickness of the intermediate air layer between the soundproof insulating glass windows is ≥80mm.

The beneficial effects of the utility model are: using the cross-sectional size of the skeleton to form a heat-insulating and sound-insulating air layer, which enhances the sound-insulating effect while possessing the heat-insulating function; The specific gravity of the ultra-fine glass fiber cotton of the sound insulation board is greater than or smaller than that of the ultra-fine glass fiber cotton of the inner sound insulation board, so as to suppress the noise of different frequencies, prevent the formation of resonance, affect the noise reduction value, and make the sound insulation spectrum of the mobile room wider. It can isolate low, medium and high frequency sound source noise.

Description of drawings

Fig. 1 is the top view structural representation of the utility model;

Fig. 2 is a schematic structural view of A-A direction in Fig. 1;

Fig. 3 is an enlarged schematic diagram at I place among Fig. 2;

As shown in the figure: skeleton 1, outer sound insulation board 2, inner sound insulation board 3, L-shaped anti-collision board 4, rubber gasket 5, waterproof roof tile 6, lifting lug 7, ground moisture-proof board 8, sound insulation window 9, sound insulation door 10. Lighting lamp 11, air conditioner inner unit 12, air conditioner outer unit 13, reinforcing rib 14, heat and sound insulation air layer 15.

detailed description

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

As shown in Figures 1 to 3, the heat-insulated and sound-insulated movable room of the present invention includes a top surface, a bottom surface and at least three facades, and the facade and the top surface all include a skeleton 1, an outer sound insulation board 2 and an inner sound insulation board 3, the outer sound insulation board 2 is arranged on the outside of the skeleton 1, and the inner sound insulation board 3 is arranged on the inner side of the skeleton 1; The thickness of the heat and sound insulation air layer 15, the cross-sectional thickness of the skeleton 1 is d≥50mm;

The outer sound insulation board 2 is composed of a color steel plate layer, an ultrafine glass fiber cotton layer, an alkali-free hydrophobic glass fiber cloth layer and a galvanized perforated board layer from outside to inside, and the inner sound insulation board 3 is composed of galvanized steel sheets from inside to outside. Perforated board layer, alkali-free hydrophobic glass fiber cloth layer, ultrafine glass fiber cotton layer and color steel plate layer; the specific gravity of the ultrafine glass fiber cotton of the outer sound insulation board 2 is greater than or less than that of the ultrafine glass fiber cotton of the inner sound insulation board 3 The specific gravity of cotton.

Wherein, the opening ratio of the galvanized perforated plate of the outer sound insulation board 2 and the inner sound insulation board 3 is ≥ 25%, and the function of the galvanized perforated board layer is to absorb noise, reduce reverberation noise and superimposed noise; The function of the fiber cloth layer is to prevent the possible discomfort caused by the ultra-fine glass fiber cotton to the indoor personnel, such as respiratory discomfort and other effects; The fine glass fiber cotton layer plays the role of absorbing noise and isolating noise.

The heat-insulated and sound-insulated prefabricated house shown in Fig. 1 includes four facades, which are respectively named as A, B, C, and D surfaces, wherein, the A facade is provided with a soundproof door 10, and the D facade is provided with a soundproof window 9, Of course, the mobile room can also be set to 3, 5, 6 and other number of facades. The interior of the heat-insulation and sound-proof prefabricated house of this embodiment is also provided with an electrical system, including an air-conditioning power socket, an indoor 5-hole socket, lighting lamps, etc., and a light 11 is installed on the top surface of the heat-insulation and sound-proof prefabricated house shown in Fig. 2 , an air-conditioning internal unit 12 is installed on the B facade, and an air-conditioning external unit 13 is installed on the top of the D facade.

Among them, the skeleton 1 is the force-bearing structure of the entire activity room, which bears all the loads of the activity room. At the same time, the thickness of the section of the skeleton 1 also determines the thickness of the heat and sound insulation layer. The size of the skeleton 1 is selected according to different working conditions and the shape of the activity room. Use different sizes. Generally, the section thickness of frame 1 is ≥ 50mm. For example, if a square tube of 50mm, 100mm, or 150mm is used, the section thickness of frame 1 is 100mm, that is, between the outer sound insulation board 2 and the inner sound insulation board 3. The thickness of the heat-insulating and sound-insulating air layer 15 is 100mm; the skeleton 1 of each facade and top surface is connected by welding. The outside of the frame 1 refers to the side near the outdoor of the movable room, and the inner side of the frame 1 refers to the side near the indoor of the movable room. Self-supplied screws can be used to fix the outer sound insulation board 2 and the inner sound insulation board 3 on the skeleton 1 . The outer sound insulation board 2 and the inner sound insulation board 3 are of light structure, which is easy to carry; The plate 8 can be made of steel plate; for example, the reinforcing rib 14 is welded on the skeleton 1 at the bottom of the façade, and the steel plate is laid on the reinforcing rib 14 . The thickness of the outer sound insulation board 2 can be greater than or equal to the thickness of the inner sound insulation board 3, and can also be smaller than the thickness of the inner sound insulation board, and it is designed according to different working conditions.

In the heat-insulating and sound-insulating movable room of the present utility model, an outer sound-insulating board 2 and an inner sound-insulating board 3 are respectively arranged on both sides of the skeleton 1, and the specific gravity of the ultra-fine glass fiber cotton of the outer sound-insulating board 2 is greater than or smaller than that of the inner sound-insulating board 3 The specific gravity of ultra-fine glass fiber cotton, that is, the specific gravity of the ultra-fine glass fiber cotton of the outer sound insulation board 2 is not equal to the specific gravity of the ultra-fine glass fiber cotton of the inner sound insulation board 3, so as to suppress the noise of different frequencies, prevent the formation of resonance, and affect the noise reduction. The noise value makes the activity room's sound insulation spectrum wider, and can isolate low, medium and high frequency sound source noise.

Among them, the thickness of the outer sound insulation board 2, the thickness of the inner sound insulation board 3 and the thickness of the skeleton 1 can be designed according to different working conditions, and various combination modes can be selected, for example: 100mm outer sound insulation board 2+150mm skeleton 1+50mm inner sound insulation board 3 combination modes; 100mm outer sound insulation board 2+50mm skeleton 1+50mm inner sound insulation board 3 combination modes; 120mm outer sound insulation board 2+100mm skeleton 1+50mm inner sound insulation board 3 and other combination modes; 50mm outer sound insulation board 2+150mm skeleton 1 + 100mm inner sound insulation panel 3 combination modes; 50mm outer sound insulation panel 2 + 50mm skeleton 1 + 100mm inner sound insulation panel 3 combination modes; 50mm outer sound insulation panel 2 + 100mm skeleton 1 + 120mm inner sound insulation panel 3 combination modes.

The following combination mode is adopted: a 100mm square tube is used to make the skeleton 1; the thickness of the outer sound insulation board 2 is 100mm, and it is composed of 0.5mm galvanized perforated plate + 100mm ultra-fine glass fiber cotton + 0.5mm color steel plate, and the opening rate of the perforated plate 25%, the specific gravity of ultra-fine glass fiber cotton is 4.5kg/ ^m2 ; the thickness of the inner sound insulation board 3 is 50mm, composed of 0.5mm galvanized perforated plate + 50mm ultra-fine glass fiber cotton + 0.5mm color steel plate, the perforated plate The porosity is 25%, and the specific gravity of the superfine glass fiber cotton is 1.5kg/m ² . The measured sound insulation of the activity room is ≥30dBA.

In order to prevent damage to the facade during the moving process, and to prevent rainwater from soaking and corroding the outer sound insulation board 2, as a preferred embodiment, as shown in Figure 3, the bottom of the facade is provided with an L-shaped anti-collision plate 4, the L The vertical boards of the L-shaped anti-collision board 4 are covered on the outer surface of the outer sound insulation board 2, and the horizontal boards of the L-shaped anti-collision board 4 are covered on the bottom surface of the facade.

In order to further improve the sound insulation effect, as a preferred embodiment, the average sound absorption coefficient of the ultrafine glass fiber cotton of the outer sound insulation board 2 and the inner sound insulation board 3 is ≥0.8.

As one of the examples, the specific gravity of the ultra-fine glass fiber cotton of the outer sound insulation board 2 is greater than the specific gravity of the ultra-fine glass fiber cotton of the inner sound insulation board 3, and the specific gravity of the ultra-fine glass fiber cotton of the outer sound insulation board 2 ≥4.5kg/m ² , the specific gravity of the ultra-fine glass fiber wool of the inner sound insulation board 3 is ≥1.5kg/m ² .

In order to further improve the sound insulation effect, as a preferred embodiment, as shown in FIG. 3 , the bottom of the anti-collision plate 4 is provided with a rubber gasket 5 . For example: the contact surface between the façade of the prefab room and the ground is provided with a 20mm rubber gasket for a week to prevent noise from leaking from the bottom gap through the indoor moisture-proof board, which will weaken the sound insulation effect of the small room.

As a preferred embodiment, as shown in FIG. 3 , the height h of the moisture-proof board 8 from the ground is greater than or equal to 120 mm. It can not only prevent the rainwater from pouring back and cause indoor water accumulation, but also improve the sound insulation effect of the small room.

In order to further improve the sound insulation effect, as a preferred embodiment, each vertical vertical seam and horizontal vertical seam are glued and sealed.

In order to prevent rain leakage on the top surface, as a preferred embodiment, a waterproof roof tile 6 is arranged on the outer sound insulation board 2 of the top surface.

As a preferred embodiment, the frame 1 on the top surface is provided with lifting lugs 7 . It is convenient for hoisting and transportation, and can be moved with the post according to the change of the post.

In order to facilitate daylighting, as a preferred embodiment, a soundproof window 9 is provided on one of the facades.

Further, in order to improve the sound insulation effect, as a preferred embodiment, the soundproof window 9 includes two layers of soundproof insulating glass windows and an intermediate air layer between the two layers of soundproof insulating glass windows; each layer of soundproof insulating glass windows includes two layers of glass and the air spacer layer between the two layers of glass; the thickness of the intermediate air layer between the two layers of soundproof insulating glass windows is ≥80mm. For example: each layer of sound-proof insulating glass windows includes 5mm glass + 9mm air spacer + 5mm glass, and the thickness of the intermediate air layer between two layers of sound-proof insulating glass windows is 100mm.

The utility model has the advantages of simple structure and convenient manufacture. The sound insulation board can be automatically pressed and formed by a machine, and the surface quality is more beautiful and smoother than the sound insulation board made by traditional welding. The cross-sectional size of the skeleton is used to form a heat-insulating and sound-insulating air layer, which enhances the sound insulation effect while having the heat insulation function. The indoor electrical system can be moved with the small room, and the small room can be used normally after being connected to the power supply after moving.

Claims (10)

1. A heat-insulated and sound-insulated prefabricated house, comprising a top surface, a bottom surface and at least three facades, characterized in that: the facade and the top surface both include a skeleton (1), an outer sound insulation board (2) and an inner sound insulation board (3 ), the outer sound insulation board (2) is arranged on the outside of the skeleton (1), and the inner sound insulation board (3) is arranged on the inner side of the skeleton (1); the section thickness of the skeleton (1) is equal to the outer sound insulation board ( 2) The thickness of the heat and sound insulation air layer (15) between the inner sound insulation board (3), the cross-sectional thickness of the skeleton (1) d≥50mm; The outer sound insulation board (2) is colored steel plate layer, superfine glass fiber cotton layer, alkali-free hydrophobic glass fiber cloth layer and galvanized perforated board layer from outside to inside in sequence, and the inner sound insulation board (3) is from inside to outside It includes a galvanized perforated board layer, an alkali-free hydrophobic glass fiber cloth layer, an ultra-fine glass fiber cotton layer and a color steel plate layer; (3) The specific gravity of ultra-fine glass fiber cotton. 2. The heat and sound insulation activity room according to claim 1, characterized in that: the average sound absorption coefficient of the ultra-fine glass fiber cotton of the outer sound insulation board (2) and the inner sound insulation board (3) is ≥0.8. 3. The heat-insulating and sound-insulating activity room according to claim 2, characterized in that: the specific gravity of the superfine glass fiber cotton of the outer sound insulation board (2) is greater than that of the ultrafine glass fiber cotton of the inner sound insulation board (3) , and the specific gravity of the superfine glass fiber wool of the outer sound insulation board (2) is ≥4.5kg/m ² , and the specific gravity of the ultrafine glass fiber wool of the inner sound insulation board (3) is ≥1.5kg/m ² . 4. The heat-insulating and sound-insulating activity room according to any one of claims 1 to 3, characterized in that: the bottom of the facade is provided with an L-shaped anti-collision plate (4), and the L-shaped anti-collision plate ( The vertical plate of 4) is coated on the outer surface of the outer sound insulation board (2), and the horizontal plate of the L-shaped anti-collision plate (4) is coated on the bottom surface of the facade. 5. The heat-insulated and sound-insulated activity room according to claim 4, characterized in that: the bottom of the anti-collision plate (4) is provided with a rubber gasket (5). 6. The heat-insulated and sound-insulated activity room according to any one of claims 1 to 3, characterized in that: the bottom surface includes a moisture-proof board (8) and reinforcing ribs (14), and the reinforcing ribs (14) are fixed on On the skeleton (1) of the façade, the moisture-proof board (8) is fixed on the reinforcing rib (14); the height h of the moisture-proof board (8) from the ground is ≥ 120mm. 7. The heat-insulated and sound-insulated activity room according to any one of claims 1 to 3, characterized in that: the outer sound insulation board (2) of the top surface is provided with a waterproof roof tile (6). 8. The heat-insulated and sound-insulated activity room according to any one of claims 1 to 3, characterized in that: the frame (1) on the top surface is provided with lifting lugs (7). 9. The heat-insulated and sound-insulated activity room according to any one of claims 1 to 3, characterized in that: a sound-insulated window (9) is provided on one of the facades. 10. The heat-insulated and sound-insulated prefabricated house according to claim 9, characterized in that: the sound-insulated window (9) comprises two layers of sound-insulated hollow glass windows and an intermediate air layer between the two-layers of sound-insulated hollow glass windows; The insulating glass window includes two layers of glass and an air spacer layer between the two layers of glass; the thickness of the intermediate air layer between the two layers of soundproof insulating glass windows is ≥80mm.