CN213980488U

CN213980488U - High-heat-preservation low-frequency sound-insulation composite glass

Info

Publication number: CN213980488U
Application number: CN202021841834.2U
Authority: CN
Inventors: 董超; 曾昱
Original assignee: Mcc Real Estate Group Co ltd
Current assignee: Mcc Real Estate Group Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-08-17
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a high heat preservation low frequency sound insulation composite glass, including seven layer structure, set gradually to the first layer from a left side to the right side and be first glass, the second floor is PVB sound insulation film, and the third layer is second glass, and the fourth layer is little cavity stratum layer, and the fifth layer is third glass, the big cavity stratum layer in sixth layer, and the seventh layer is fourth glass, above-mentioned seven layer structure parallel arrangement. The utility model has the advantages that: utilize two laminated glass that thickness is thinner and two glass combinations that thickness is unequal and thickness is thicker to aluminum alloy parting bead through big small double cavity adds the sealed packing of argon gas, security when having strengthened whole glass on the one hand uses, and satisfy harsh energy-conserving standard, and on the other hand PVB's damping glue film, great thickness difference interact between double cavity and the monolithic glass has reached the effect of isolated most traffic low frequency noise.

Description

High-heat-preservation low-frequency sound-insulation composite glass

Technical Field

The utility model relates to a high heat preservation low frequency sound insulation composite glass belongs to building sound insulation material technical field.

Background

Along with the continuous development of urbanization, residents living near airports, high-speed rails, expressways and the like are often influenced by day and night reciprocating traffic noise, the resident belongs to low-frequency noise, the living quality of the residents needs to be improved, professional sound insulation and noise reduction designs need to be carried out on the residential buildings, the sound insulation capability of the whole external enclosure structure is improved, and the traffic noise is reduced and transmitted into the daily indoor living environment. Compared with a wall body, the sound insulation performance of an external window of the building external enclosure is poorer, and the external window is a weak point for isolating traffic noise, and the hollow glass of the common external window is very weak for isolating low-frequency traffic noise.

The existing sound insulation glass, such as the chinese utility model patent with the publication number CN207920425U, discloses a sound and heat insulation hollow glass window, which comprises a window frame and a window body arranged in the window frame, wherein the window body comprises three layers of glass; the three layers of glass are sealed into a whole through sealant, and two closed cavities are formed between the three layers of glass; any two adjacent layers of glass are not parallel. However, any two adjacent layers of glass of the sound insulation glass are not parallel, so that the glass processing has directionality, the unconventional glass processing technology has complex process and low production efficiency, and meanwhile, the building facade has poor visual effect and disordered inverted image formation after the window is installed.

Another sound-proof glass, for example, chinese patent application publication No. CN110952887A, discloses a sound-proof glass, which comprises a glass substrate and a plurality of resonator units, wherein the glass substrate has a hollow cavity, and the plurality of resonator units are dispersed in the hollow cavity and form a phononic crystal with the glass substrate. However, the plurality of resonance units are added into the glass hollow cavity, and the resonance units are dispersed in the hollow cavity, so that the unconventional glass processing technology is complex in process and low in production efficiency, and meanwhile, after the window is installed, the indoor visual effect is not transparent, and the universality of the whole engineering is poor.

Another sound insulation glass, such as the chinese utility model patent of granted publication No. CN 206571357U, discloses a sound insulation vacuum glass, which comprises a vacuum glass layer, wherein the vacuum glass layer is composed of a first toughened glass and a second toughened glass, and a vacuum gap is formed between the first toughened glass and the second toughened glass; common plate glass is arranged outside the second tempered glass, and a hollow gap is formed between the common plate glass and the second tempered glass; a central connecting column is arranged at the center of the common plate glass and the second toughened glass and is used for the common plate glass and the second toughened glass; and a transparent sound absorption film is adhered to the inner side surface of the common plate glass. However, the middle connecting column is added into the glass hollow cavity, the hollow cavity is vacuumized, and the glass processing technology is unconventional, so that the technology is complex, the production efficiency is low, and meanwhile, after the window is installed, the indoor visual effect is not transparent enough, and the safety and the durability are poor, so that the universality of the whole engineering is poor.

According to the background technology, residents living in the area and traffic noise are an important pain point of daily life, systematic research on low-frequency sound insulation of doors and windows is lacked at present, mature products are not provided for solving the problem, and meanwhile, the single-hollow sound insulation glass hardly meets the requirements of heat preservation and heat insulation for severe cold and cold areas in the north, so that the improved high-heat-preservation low-frequency sound insulation composite glass has important practical significance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high heat preservation low frequency sound insulation composite glass, but engineering mass production uses, still has the penetrating and pleasing to the eye of glass after the installation, to the not enough of current sound insulation glass technique existence to and satisfy the severe energy-conserving standard in northern severe cold and cold areas, have stronger syllable-dividing effect again.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model relates to a high heat preservation low frequency sound insulation composite glass,

the utility model provides a high heat preservation low frequency sound insulation composite glass, includes four layers of glass layers, this four layers of glass layer parallel arrangement is first glass respectively, second glass, third glass and fourth glass, set gradually the first layer from a left side to the right side and be first glass, the second layer is PVB sound insulation film, the third layer is second glass, the fourth layer is little cavity layer, the fifth layer is third glass, the big cavity layer in sixth layer, the seventh layer is fourth glass, above-mentioned seven layers of structure parallel arrangement, the first glass of first layer is through the PVB sound insulation film and the bonding of third layer second glass on second layer.

A small hollow cavity layer is arranged between the second glass of the third layer and the third glass of the fifth layer, small aluminum alloy division bars are further arranged between the second glass of the third layer and the third glass of the fifth layer, the small aluminum alloy division bars are arranged at the positions, close to the edges, of the second glass and the third glass and are sealed by sealant at the edge positions, and therefore the small closed cavity layer is formed. The small hollow cavity layer is filled with inert gas argon with the filling proportion being more than 90%, so that the heat convection and heat conduction of the small hollow cavity layer can be slowed down, and the heat conduction capability between the second glass and the third glass is weakened.

A large-medium cavity body layer is arranged between the third glass of the fifth layer and the fourth glass of the seventh layer, large aluminum alloy division bars are further arranged between the third glass of the fifth layer and the fourth glass of the seventh layer, the large aluminum alloy division bars are arranged at the positions, close to the edges, of the third glass and the fourth glass, and the edges are sealed by sealant, so that the sealed large-medium cavity body layer is formed. The inert gas argon is filled in the large hollow cavity layer, the filling proportion is more than 90%, and the arrangement can slow down the heat convection and heat conduction in the large hollow cavity layer 8, so that the heat conduction capability between the second glass and the third glass is weakened.

The first glass and the second glass are the same thickness. The thickness of the first glass and the second glass is 3-5 mm.

The fourth glass is thicker than the third glass, and the third glass and the fourth glass are thicker than the first glass and the second glass. The thickness of the third glass and the fourth glass is 4-12 mm.

The large hollow cavity layer is thicker than the small hollow cavity layer, the small hollow cavity layer of the fourth layer is preferably 8-10mm, especially 9mm thick, and the large hollow cavity layer of the sixth layer is preferably 20-30mm, especially 25mm thick.

The utility model has the advantages that: the laminated glass of two glass substrates with thin thickness and two glass substrates with thick and unequal thickness are utilized, and argon gas is filled in the aluminum alloy parting strips of the double-large cavity, so that the safety of the whole glass in use is enhanced, and the strict energy-saving standard is met, on the other hand, the larger thickness difference interaction among the damping glue layer of PVB, the large cavity and the single glass achieves the effect of isolating most of traffic low-frequency noise, and Rw + Ctr (wherein Rw is weighted sound insulation and Ctr is traffic noise spectrum correction (medium-low frequency)) is not lower than 37 dB. And the configuration has stronger engineering universality, and the transparent effect is the same as that of the conventional glass after installation.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Figure 1 is the utility model discloses high heat preservation low frequency sound insulation composite glass.

Description of reference numerals:

1-first glass, 2-PVB sound insulation film, 3-second glass, 4-small hollow cavity layer, 5-small aluminum alloy spacing strip, 6-sealant, 7-third glass, 8-large hollow cavity layer, 9-fourth glass, 10-large aluminum alloy spacing strip and 11-sealant.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

Referring to FIG. 1:

the utility model provides a high heat preservation low frequency sound insulation composite glass, includes and sets gradually from a left side to the right side that the first layer is first glass 1, and the second floor is PVB sound insulation film 2, and the third layer is second glass 3, and the fourth layer is little cavity layer 4, and the fifth layer is third glass 7, and the sixth layer is big cavity layer 6 in the middle of the cavity, and the seventh layer is fourth glass 9.

The composite glass has four glass layers, including the first glass 1, the second glass 3, the third glass 7 and the fourth glass 9, set parallelly. In a preferred embodiment, the four layers of glass are float glass.

The first layer of first glass 1 is bonded to the third layer of second glass 3 by a second layer of PVB sound barrier film 2. The PVB sound-proof film 2 is a semitransparent film, has good adhesive force to glass, has the characteristics of transparency, heat resistance, cold resistance, high mechanical strength and the like, and can firmly adhere the first layer of first glass 1 and the third layer of second glass 3. PVB sound insulation film 2 has the retardant effect to the sound wave, can effectual reduction low frequency noise conduction.

A small hollow cavity layer 4 is arranged between the second glass 3 of the third layer and the third glass 7 of the fifth layer, in order to form the small hollow cavity layer 4, a small aluminum alloy spacing strip 5 is further arranged between the second glass 3 of the third layer and the third glass 7 of the fifth layer, the small aluminum alloy spacing strip 5 is arranged at the position, close to the edge, of the second glass 3 and the third glass 7 and is sealed by a sealant 6 at the edge position, so that the closed small hollow cavity layer 4 is formed, inert gas argon is filled in the small hollow cavity layer 4, the filling proportion is larger than 90%, the heat convection and the heat conduction of the small hollow cavity layer 4 can be slowed down through the arrangement, and the heat conduction capability between the second glass 3 and the third glass 7 is weakened.

A large-medium cavity body layer 8 is arranged between the third glass 7 of the fifth layer and the fourth glass 9 of the seventh layer, in order to form the large-medium cavity body layer 8, a large aluminum alloy division bar 10 is further arranged between the third glass 7 of the fifth layer and the fourth glass 9 of the seventh layer, the large aluminum alloy division bar 10 is arranged at the position, close to the edge, of the third glass 7 and the fourth glass 9, the edge is sealed by a sealant 11, a sealed large-medium cavity body layer 8 is further formed, inert gas argon is filled in the large-medium cavity body layer 8, the filling proportion is larger than 90%, so that the heat convection and the heat conduction in the large-medium cavity body layer 8 can be slowed down, and the heat conduction capability between the second glass 3 and the third glass 7 can be weakened.

The preferred embodiment is that the first glass 1 of the first layer and the second glass 3 of the third layer adopt two pieces of glass with the thickness of 4mm, the feasibility of the laminated glass process is ensured, and the PVB sound insulation film 2 of the second layer has the thickness of 1.14mm, so that the effect of enhancing and isolating low-frequency noise is achieved. The third glass 7 of the fifth layer is made of 6mm thick glass, the fourth glass 9 of the seventh layer is made of 8mm thick glass, the thickness difference between the fifth layer and the fourth layer is increased, the frequency of the coincidence effect is staggered, and the sound insulation effect of the glass is enhanced. Preferably, the first glass 1 and the second glass 3 are of the same thickness, and glasses of a lower thickness are used, for example, 3-5mm, especially 4mm, the third glass 7 and the fourth glass 9 are of a different thickness and are each thicker than the first glass 1 and the second glass 3, and may be 4-12 mm.

In addition, the small hollow cavity layer 4 of the fourth layer is preferably 8-10mm, especially 9mm thick, and the large hollow cavity layer 8 of the sixth layer is preferably 20-30mm, especially 25mm thick.

The utility model discloses the condition of multiple combination still can exist, for example: the third glass 7 of the fifth layer can be glass with the thickness of 4mm, the fourth glass 9 of the seventh layer can be glass with the thickness of 10mm, the PVB sound-proof film 2 can be glass with the thickness of 1.52mm, and the large hollow cavity layer 8 can be glass with the thickness of 20 mm.

The utility model discloses the whole thickness control of glass is within 55 mm.

The utility model discloses can utilize two thin glass doubling of thickness and two thick and unequal glass combinations of thickness, and the aluminum alloy parting bead through big or small double cavity adds the argon gas and fills, security when having strengthened whole glass on the one hand and using, and satisfy harsh energy-conserving standard, on the other hand PVB's damping glue film, great thickness difference interact between big cavity and the monolithic glass, isolated most low frequency noise's of handing over effect has been reached, and this disposes stronger engineering commonality, it is as for all things as an exception with the penetrating effect of conventional glass after the installation.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a high heat preservation low frequency sound insulation composite glass, includes four layers of glass layers, this four layers of glass layer parallel arrangement is first glass, second glass, third glass and fourth glass, its characterized in that respectively: the first layer is first glass, the second layer is a PVB sound insulation film, the third layer is second glass, the fourth layer is a small hollow cavity layer, the fifth layer is third glass, the sixth layer is a large hollow cavity layer, the seventh layer is fourth glass, the seven layers are arranged in parallel, and the first glass of the first layer is bonded with the third layer of second glass through the PVB sound insulation film of the second layer.

2. The high-heat-preservation low-frequency-sound-insulation composite glass according to claim 1, wherein: a small hollow cavity layer is arranged between the second glass of the third layer and the third glass of the fifth layer, small aluminum alloy division bars are further arranged between the second glass of the third layer and the third glass of the fifth layer, the small aluminum alloy division bars are arranged at the positions, close to the edges, of the second glass and the third glass and are sealed by sealant at the edge positions, and therefore the small closed cavity layer is formed.

3. The high-heat-preservation low-frequency-sound-insulation composite glass according to claim 2, characterized in that: the small hollow cavity layer is filled with inert gas.

4. The high-heat-preservation low-frequency-sound-insulation composite glass according to claim 1, wherein: a large-medium cavity body layer is arranged between the third glass of the fifth layer and the fourth glass of the seventh layer, large aluminum alloy division bars are further arranged between the third glass of the fifth layer and the fourth glass of the seventh layer, the large aluminum alloy division bars are arranged at the positions, close to the edges, of the third glass and the fourth glass, and the edges are sealed by sealant, so that the sealed large-medium cavity body layer is formed.

5. The high-heat-preservation low-frequency-sound-insulation composite glass according to claim 4, wherein: and filling inert gas in the large and medium cavity body layer.

6. The high-heat-preservation low-frequency-sound-insulation composite glass according to claim 1, wherein: the first glass and the second glass are the same thickness.

7. The high-heat-preservation low-frequency-sound-insulation composite glass according to claim 6, wherein: the thickness of the first glass and the second glass is 3-5 mm.

8. The high-heat-preservation low-frequency-sound-insulation composite glass according to claim 1, wherein: the fourth glass is thicker than the third glass, and both are thicker than the first glass and the second glass.

9. The high-heat-preservation low-frequency-sound-insulation composite glass according to claim 8, wherein: the thickness of the third glass and the fourth glass is 4-12 mm.

10. The high-heat-preservation low-frequency-sound-insulation composite glass according to claim 1, wherein: the thickness of the whole glass is controlled within 55 mm.