CN112878869A - Sound insulation glass for high-speed locomotive - Google Patents

Sound insulation glass for high-speed locomotive Download PDF

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Publication number
CN112878869A
CN112878869A CN202110130430.5A CN202110130430A CN112878869A CN 112878869 A CN112878869 A CN 112878869A CN 202110130430 A CN202110130430 A CN 202110130430A CN 112878869 A CN112878869 A CN 112878869A
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China
Prior art keywords
glass
glass plate
thickness
layer
plate
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Pending
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CN202110130430.5A
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Chinese (zh)
Inventor
王伟来
林军
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Fuyao Glass Industry Group Co Ltd
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Fuyao Glass Industry Group Co Ltd
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Priority to CN202110130430.5A priority Critical patent/CN112878869A/en
Publication of CN112878869A publication Critical patent/CN112878869A/en
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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/6612—Evacuated glazing units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • B32B17/10045—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets with at least one intermediate layer consisting of a glass sheet
    • B32B17/10055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets with at least one intermediate layer consisting of a glass sheet with at least one intermediate air space
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/42—Layered products comprising a layer of synthetic resin comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B32B3/085—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts spaced apart pieces on the surface of a layer
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66304—Discrete spacing elements, e.g. for evacuated glazing units
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/24—Structural elements or technologies for improving thermal insulation
    • Y02A30/249—Glazing, e.g. vacuum glazing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
    • Y02B80/22—Glazing, e.g. vaccum glazing

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Glass To Other Materials (AREA)

Abstract

The invention relates to the field of glass for railway locomotives, in particular to glass for high-speed locomotives with the speed of at least 200km/h, and particularly provides sound insulation glass for the high-speed locomotives, which comprises outer laminated glass, inner vacuum glass and a first hollow layer positioned between the outer laminated glass and the inner vacuum glass, wherein the first hollow layer is filled with dry gas; the inner vacuum glass comprises a third glass plate, a fourth glass plate and a vacuum layer positioned between the third glass plate and the fourth glass plate, and a plurality of support columns are arranged in the vacuum layer; the thickness of the vacuum layer is 0.1 mm-0.8 mm, and the vacuum degree of the vacuum layer is less than or equal to 0.1 Pa. The invention can ensure the safety of the soundproof glass for the high-speed locomotive when the locomotive runs at high speed, can effectively block the transmission of noise generated by the high-speed locomotive, has excellent low-frequency soundproof performance and medium-high frequency soundproof performance, meets the requirements of light weight, safety, sound insulation and the like, and can be widely used as side window glass of the high-speed locomotive.

Description

Sound insulation glass for high-speed locomotive
The technical field is as follows:
the invention relates to the field of glass for railway locomotives, in particular to glass for high-speed locomotives with the speed of at least 200km/h, and particularly provides sound insulation glass for the high-speed locomotives.
Background art:
as high-speed locomotives such as autonomously developed motor train units are increasingly widely operated throughout the country, the total mileage of the high-speed railway operation in china has reached the world first. At present, the speed of the high-speed locomotive independently developed in China reaches 200km/h, 250 km/h, 300 km/h and even 350 km/h and above, so that the glass for the high-speed locomotive is required to have the performances of improving riding comfort such as sound insulation, heat insulation, ultraviolet ray isolation, defrosting and demisting besides basic high strength, impact resistance, environmental aging resistance, light distortion and the like.
For example, CN206053744U discloses a window structure on a railway vehicle, which includes an inside layer and an outside layer arranged in parallel, the inside layer, the outside layer and sealing members at two ends enclose a sealed hollow cavity, and the inside layer and the outside layer are both composite glass layers at least including two layers of glass; for another example, CN206217896U discloses a window structure on a railway vehicle, which includes an inside layer and an outside layer arranged in parallel, wherein the inside layer, the outside layer and sealing members at two ends enclose a sealed hollow cavity, the outside layer is a composite glass layer including at least two glass layers, and the inside layer is a PC board; patent CN102431419A discloses a tempering doubling hollow glass that can be used as high-speed train side window glass, including two sets of toughened glass group, toughened glass group includes first toughened glass, second toughened glass and film layer, forms hollow structure between two sets of toughened glass group.
With the increasing speed of the locomotive, the higher running speed puts higher requirements on the safety and sound insulation of the locomotive, especially the window glass of the locomotive, the pressure impact which the locomotive bears and the noise generated by the running of the locomotive are continuously increased when the speed of the locomotive is increased, the noise can seriously affect the comfort of passengers, and the sound insulation performance of the traditional locomotive glass is difficult to be improved.
The invention content is as follows:
the invention aims to provide sound insulation glass for a high-speed locomotive, which has lighter total weight and better sound insulation effect, and particularly can remarkably improve the sound insulation effect of medium and high frequency bands.
The technical scheme adopted by the invention for solving the technical problems is as follows: the sound insulation glass for the high-speed locomotive comprises outer laminated glass, inner vacuum glass and a first hollow layer positioned between the outer laminated glass and the inner vacuum glass, wherein dry gas is filled in the first hollow layer; the outer laminated glass comprises a first glass plate, a second glass plate and a first bonding layer laminated between the first glass plate and the second glass plate; the inner vacuum glass comprises a third glass plate, a fourth glass plate and a vacuum layer positioned between the third glass plate and the fourth glass plate, and a plurality of support columns are arranged in the vacuum layer; the second glass board with the third glass board is located respectively the both sides of first hollow layer, its characterized in that: the thickness of the first glass plate is 4 mm-10 mm, the thickness of the second glass plate is 0.4 mm-5 mm, and the thickness of the first bonding layer is 0.38 mm-2.28 mm; the thickness of the third glass plate is 2 mm-6 mm, the thickness of the fourth glass plate is 2 mm-6 mm, the thickness of the vacuum layer is 0.1 mm-0.8 mm, and the vacuum degree of the vacuum layer is less than or equal to 0.1 Pa.
Preferably, the ratio of the thickness of the first glass plate to the thickness of the second glass plate is 4 to 16.
Preferably, the degree of vacuum is 0.00001Pa to 0.01 Pa.
Preferably, the ratio of the thickness of the fourth glass plate to the thickness of the third glass plate is 1.0 to 2.5.
Preferably, the ratio of the thickness of the fourth glass plate to the thickness of the third glass plate is 1.2 to 2.0.
Preferably, the sound insulation glass for the high-speed locomotive further comprises inner safety glass, the thickness of the inner safety glass is 0.4 mm-6 mm, a second hollow layer or a laminated second bonding layer is formed between the inner safety glass and the fourth glass plate, dry gas is filled in the second hollow layer, and the thickness of the second bonding layer is 0.38 mm-2.28 mm.
More preferably, a second hollow layer is formed between the inner safety glass and the fourth glass plate, the inner safety glass is single-piece toughened glass or laminated glass with the thickness of more than or equal to 1.6mm, the laminated glass comprises at least two third glass plates, the single-piece toughened glass or the third glass plates are physically toughened glass or chemically toughened glass, and the single-piece toughened glass or the third glass plates are soda-lime glass, aluminosilicate glass, lithium-aluminosilicate glass or borosilicate glass.
More preferably, a second bonding layer is laminated between the inner safety glass and the fourth glass plate, the inner safety glass is single-piece toughened glass with the thickness of less than 1.6mm, the single-piece toughened glass is chemically toughened glass, and the single-piece toughened glass is soda lime glass, aluminosilicate glass, lithium aluminosilicate glass or borosilicate glass.
More preferably, the first adhesive layer or the second adhesive layer is at least one selected from polycarbonate, polyvinyl chloride, polyvinyl butyral, ethylene-vinyl acetate copolymer, polyacrylate, polymethyl methacrylate, ionic interlayer, and polyurethane.
More preferably, the second tie layer is an SGE film comprising two ethylene-vinyl acetate copolymer layers and one polycarbonate layer laminated between the two ethylene-vinyl acetate copolymer layers.
More preferably, the thickness of the first hollow layer and the second hollow layer is 6mm to 24mm, the dry gas is dry air or inert gas, and the inert gas is argon, krypton, xenon or sulfur hexafluoride.
Preferably, the first glass plate is physically tempered glass or chemically tempered glass, and the first glass plate is made of soda-lime glass, aluminosilicate glass, lithium aluminosilicate glass or borosilicate glass; the second glass plate, the third glass plate and the fourth glass plate are physically toughened glass or chemically toughened glass, and the second glass plate, the third glass plate and the fourth glass plate are made of at least one of soda lime glass, aluminosilicate glass, lithium aluminosilicate glass or borosilicate glass.
Preferably, the soundproof glass for high-speed locomotive has an average sound insulation amount of at least 36dB in a range of 100Hz to 500Hz, and the soundproof glass for high-speed locomotive has a weighted sound insulation amount of at least 45dB in a range of 100Hz to 5000 Hz.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the soundproof glass for the high-speed locomotive can ensure the safety of the soundproof glass for the high-speed locomotive during high-speed running of the locomotive, can effectively block the transmission of high-speed running noise, has excellent low-frequency soundproof performance and medium-high frequency soundproof performance, meets the requirements of light weight, safety, soundproof performance and the like, and can be widely used as side window glass of the high-speed locomotive.
Description of the drawings:
FIG. 1 is a first structural schematic view of a soundproof glass for a high-speed vehicle according to the present invention;
FIG. 2 is a second schematic view of the soundproof glass for high-speed vehicle according to the present invention;
FIG. 3 is a third structural view of the soundproof glass for high-speed vehicle according to the present invention;
the specific implementation mode is as follows:
the invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, the soundproof glass for a high-speed locomotive according to the present invention includes an outer laminated glass 1, an inner vacuum glass 2, and a first hollow layer 3 located between the outer laminated glass 1 and the inner vacuum glass 2, wherein the first hollow layer 3 is filled with a dry gas; the outer laminated glass 1 comprises a first glass plate 11, a second glass plate 12 and a first bonding layer 13 laminated between the first glass plate 11 and the second glass plate 12; the inner vacuum glass 2 comprises a third glass plate 21, a fourth glass plate 22 and a vacuum layer 23 positioned between the third glass plate 21 and the fourth glass plate 22, wherein a plurality of support columns 24 are arranged in the vacuum layer 23; the second glass plate 12 and the third glass plate 21 are respectively located on both sides of the first hollow layer 3. The invention utilizes the laminated glass and the vacuum glass to form the hollow glass, can ensure the safety of the sound-proof glass for the high-speed locomotive when the locomotive runs at a high speed, can effectively block the transmission of noise of the high-speed locomotive, and has excellent sound-proof performance.
The outer laminated glass 1 is positioned on the outer side of a high-speed locomotive, preferably, the thickness of the first glass plate 11 is 4 mm-10 mm, the thickness of the second glass plate 12 is 0.4 mm-5 mm, and the thickness of the first bonding layer 13 is 0.38 mm-2.28 mm; in order to further improve the rigidity and impact resistance of the outer laminated glass 1 while reducing the weight of the soundproof glass for high-speed vehicles, it is more preferable that the ratio of the thickness of the first glass plate 11 to the thickness of the second glass plate 12 is 4 to 16, for example, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, or 16, so as to form a laminated glass having an asymmetric thickness.
The inner vacuum glass 2 is positioned on the inner side of a high-speed locomotive, preferably, the thickness of the third glass plate 21 is 2 mm-6 mm, the thickness of the fourth glass plate 22 is 2 mm-6 mm, the thickness of the vacuum layer 23 is 0.1 mm-0.8 mm, the vacuum degree of the vacuum layer 23 is less than or equal to 0.1Pa, and preferably, the vacuum degree is 0.00001 Pa-0.01 Pa in consideration of the improvement of the manufacturing cost and the sound insulation performance of the inner vacuum glass 2; in order to reduce low frequency resonance of the soundproof glass for high-speed vehicles and obtain a better soundproof effect, it is preferable that the ratio of the thickness of the fourth glass plate 22 to the thickness of the third glass plate 21 is 1.0 to 2.5, specifically 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0, 2.1, 2.2, 2.3, 2.4, or 2.5, and more preferably 1.2 to 2.0, so as to form vacuum glass with an asymmetric thickness.
As shown in fig. 2 and 3, in order to avoid potential safety hazards caused by complicated local stress existing in the supporting columns 24 of the inner vacuum glass 2 during high-speed driving, the sound-proof glass for the high-speed locomotive preferably further comprises an inner safety glass 4, and the thickness of the inner safety glass 4 is 0.4 mm-6 mm; in fig. 2, a second hollow layer 5 is formed between the inner safety glass 4 and the fourth glass plate 22, and the second hollow layer 5 is filled with a dry gas; in fig. 3, a second adhesive layer 6 is laminated between the inner safety glass 4 and the fourth glass plate 22, and the thickness of the second adhesive layer 6 is 0.38mm to 2.28 mm; the inner vacuum glass 2 and the inner safety glass 4 form a hollow structure or a sandwich structure, so that the safety of the sound insulation glass for the high-speed locomotive is further improved, and a more excellent sound insulation effect is realized.
The first glass plate 11, the second glass plate 12, the third glass plate 21, the fourth glass plate 22 and the inner safety glass 4 may have a straight structure or a bent structure. The first glass plate 11 may be a physical tempered glass or a chemical tempered glass, and the first glass plate 11 is made of soda lime glass, aluminosilicate glass, lithium aluminosilicate glass or borosilicate glass. The second glass plate 12, the third glass plate 21 and the fourth glass plate 22 can be physical toughened glass or chemical toughened glass, the invention is preferably chemical toughened glass, and the chemical toughened glass can bear larger tensile stress without cracking, so that the sound insulation glass for the high-speed locomotive is not easy to deform and crack under the action of external impact, wind pressure and the like, and the total thickness and the whole weight of the sound insulation glass can be reduced. The second glass plate 12, the third glass plate 21 and the fourth glass plate 22 are at least one of soda lime glass, aluminosilicate glass, lithium aluminosilicate glass or borosilicate glass.
In fig. 2, when the inner vacuum glass 2 and the inner safety glass 4 form a hollow structure, the inner safety glass 4 is a single piece of tempered glass or laminated glass with a thickness of greater than or equal to 1.6mm, the laminated glass includes at least two third glass plates, and the single piece of tempered glass or the third glass plates may be physical tempered glass or may be chemical tempered glass; the single sheet of tempered glass or the third glass plate may be soda lime glass, aluminosilicate glass, lithium aluminosilicate glass or borosilicate glass.
In fig. 3, when the inner vacuum glass 2 and the inner safety glass 4 form a sandwich structure, the inner safety glass 4 is a single tempered glass with a thickness of less than 1.6mm, the single tempered glass is preferably a chemically tempered glass, and the single tempered glass may be soda lime glass, aluminosilicate glass, lithium aluminosilicate glass or borosilicate glass.
The first adhesive layer 13 and the second adhesive layer 6 may be at least one selected from Polycarbonate (PC), polyvinyl chloride (PVC), polyvinyl butyral (PVB), ethylene-vinyl acetate copolymer (EVA), Polyacrylate (PA), polymethyl methacrylate (PMMA), an ionic interlayer (SGP), Polyurethane (PU), or the like. Alternatively, the first adhesive layer 13 and the second adhesive layer 6 may have a single-layer structure or a multi-layer structure, and the multi-layer structure may have a double-layer structure, a three-layer structure, a four-layer structure, a five-layer structure, or the like. More preferably, the second adhesive layer 6 is an SGE film, the SGE film includes two ethylene-vinyl acetate copolymer (EVA) layers and one Polycarbonate (PC) layer, the Polycarbonate (PC) layer is laminated between the two ethylene-vinyl acetate copolymer (EVA) layers, that is, a three-layer structure of EVA layer/PC layer/EVA layer is formed, and the SGE film has a lamination pressure of 0.1MPa to 0.5MPa, and can realize normal pressure lamination, thereby preventing the inner vacuum glass 2 from being crushed by high pressure, realizing lamination of a sandwich structure without a high pressure lamination process, and reducing production cost.
In the present invention, the thickness of the first hollow layer 3 and the second hollow layer 5 is 6mm to 24mm, the dry gas may be dry Air (Air) or an inert gas, and the inert gas may be, for example, argon (Ar), krypton (Kr), xenon (Xe), sulfur hexafluoride (SF)6) And the like. In order to form the first hollow layer 3 and the second hollow layer 5 to obtain a hollow structure, it is preferable that a first fixing frame 31 is disposed between the second glass plate 12 and the third glass plate 21, a second fixing frame 51 is disposed between the fourth glass plate 22 and the inner safety glass 4, the first fixing frame 31 or the second fixing frame 51 may be an aluminum frame or a carbon fiber frame, and the first fixing frame 31 or the second fixing frame 51 may be an aluminum frame or a carbon fiber frameThe frame 51 may further include a sealing structure, and the sealing structure may be made of rubber or foam.
The thickness of the vacuum layer 23 of the inner vacuum glass 2 is 0.1 mm-0.8 mm, specifically, 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm or 0.8mm can be exemplified, and the inner vacuum glass 2 has an excellent sound insulation effect, also has an excellent heat preservation and insulation effect, and is beneficial to energy conservation and environmental protection. The supporting column 24 of the inner vacuum glass 2 is used for supporting the third glass plate 21 and the fourth glass plate 22, and keeping the third glass plate 21 and the fourth glass plate 22 substantially parallel to each other, the supporting column 24 is required to have high mechanical strength, the material of the supporting column 24 may be metal, glass or ceramic, the metal may be, for example, stainless steel, kovar alloy or aluminum alloy, and the like, and the shape of the supporting column 24 may be a circular ring, an i-shape, a drum shape, a cylinder shape, a C-shape, a wedge shape or a column-sphere combination shape.
In order to better form the inner vacuum glass 2, the inner vacuum glass 2 further comprises an edge sealing material 25, the edge sealing material 25 is used for sealing the edge of the inner vacuum glass 2 in a melting manner so as to form a vacuum layer 23, the edge sealing material 25 is required to have the advantages of low gas permeability, low gas release rate, good sealing performance with glass, good chemical stability, good thermal stability and the like, the edge sealing material 25 can be low-melting-point glass, metal or an organic material, the difference between the expansion coefficient of the low-melting-point glass and the expansion coefficient of the third glass plate 21 is less than or equal to 10%, and the low-melting-point glass is vanadate glass, phosphate glass, bismuthate glass or borate glass. The inner vacuum glass 2 further comprises a getter, wherein the getter is positioned in the vacuum layer 23, the getter is used for increasing or maintaining the vacuum degree in the vacuum layer 23, and the getter can be an evaporable getter or a non-evaporable getter; the evaporable getter is formed by depositing a getter material in the vacuum layer 23 by a heating and evaporable method to form a getter, such as a barium-aluminum-nickel getter, a nitrogen-doped getter and the like; the non-evaporable getter is a getter which can directly absorb active gas without changing the shape of the getter after being heated and activated to obtain a clean active surface, and the getter can be, for example, zirconium aluminum 16, zirconium vanadium iron, zirconium graphite, zirconium iron manganese, zirconium nickel and the like.
Examples
The present invention will be further illustrated by the following examples, but the present invention is not limited to the following examples.
Preparing the outer laminated glass: preparing a first glass plate, a second glass plate and a first bonding layer; carrying out physical toughening treatment or chemical toughening treatment on the first glass plate and the second glass plate; and carrying out laminating treatment on the first glass plate, the second glass plate and the first bonding layer to obtain the outer laminated glass.
Preparing inner vacuum glass: preparing a third glass plate, a fourth glass plate, a plurality of supporting columns, a getter and an edge sealing material; carrying out physical toughening treatment or chemical toughening treatment on the third glass plate and the fourth glass plate; arranging a plurality of support columns and getters between the third glass plate and the fourth glass plate, and carrying out processing such as sheet combination, edge sealing, air exhaust, sealing and the like to obtain the inner vacuum glass;
preparing inner safety glass: preparing single-piece toughened glass subjected to physical toughening treatment or chemical toughening treatment;
preparing sound insulation glass: preparing a first fixing frame, arranging outer laminated glass and inner vacuum glass on two sides of the first fixing frame at intervals in parallel, and performing tabletting treatment and sealing treatment to obtain sound insulation glass;
preparing a first fixing frame and a second fixing frame, respectively arranging outer laminated glass, inner vacuum glass and inner safety glass on two sides of the first fixing frame and the second fixing frame in parallel at intervals, and performing tabletting treatment and sealing treatment to obtain sound insulation glass;
preparing a first fixing frame and a second bonding layer, and carrying out laminating treatment on the inner vacuum glass, the inner safety glass and the second bonding layer to obtain a vacuum interlayer structure; arranging the outer laminated glass and the vacuum sandwich structure on two sides of the first fixing frame at intervals in parallel, and performing tabletting treatment and sealing treatment to obtain the sound insulation glass;
the soundproof glass for high-speed locomotives of examples 1 to 10 and the ordinary hollow glass of comparative examples 1 to 3 of the present invention were obtained according to the above preparation method, and the specific structural parameters are shown in tables 1 to 3. Wherein, table 1 shows the soundproof glass structures of examples 1 to 5.
Table 1: soundproof glass structure of examples 1 to 5
Figure BDA0002924950550000061
Figure BDA0002924950550000071
Wherein, Table 2 shows the soundproof glass structures of examples 6 to 10.
Table 2: soundproof glass structure of examples 6 to 10
Figure BDA0002924950550000072
Wherein, Table 3 shows the structure of the general hollow glass of comparative examples 1 to 3.
Table 3: common hollow glass structure of comparative examples 1 to 3
Figure BDA0002924950550000073
Figure BDA0002924950550000081
The gravel impact resistance was measured according to the standard TB/T1451-.
Table 4: test results of examples 1 to 10 and comparative examples 1 to 3
Total thickness of sound-proof glass Thickness of glass plate Resistance to gravel impact Sound insulation R1 Sound insulation quantity Rw
Example 1 34.67mm 19mm 384km/h 36dB 46dB
Example 2 36.13mm 19.7mm 386km/h 37dB 46dB
Example 3 34.37mm 16.7mm 339km/h 36dB 45dB
Example 4 36.77mm 21.1mm 372km/h 38dB 48dB
Example 5 38.77mm 21.1mm 386km/h 38dB 49dB
Example 6 33.07 19.4mm 421km/h 39dB 49dB
Example 7 33.07 19.4mm 416km/h 39dB 50dB
Example 8 32.07 18.4mm 418km/h 39dB 49dB
Example 9 33.07 19.4mm 426km/h 41dB 50dB
Example 10 32.07 18.4mm 415km/h 40dB 50dB
Comparative example 1 32.28mm 18mm 361km/h 33dB 40dB
Comparative example 2 31.04mm 19mm 383km/h 35dB 42dB
Comparative example 3 38.56mm 20mm 354km/h 34dB 43dB
The thickness of the glass plate refers to the total thickness of the first glass plate, the second glass plate, the third glass plate, the fourth glass plate and the single piece of toughened glass; the sound insulation amount R1 is the average sound insulation amount of the sound insulation glass between 100Hz and 500 Hz; the sound insulation quantity Rw is the weighted sound insulation quantity of the sound insulation glass at 100 Hz-5000 Hz;
as can be seen from table 4:
the sound-insulating glass of examples 1 to 10 had a gravel impact resistance of 339km/h or more and could satisfy the gravel impact resistance requirement of 400km/h at the maximum speed of high-speed locomotives at present; examples 6 to 10 external laminated glasses using aluminosilicate glasses have gravel impact resistance of 400km/h or more, and can satisfy the gravel impact resistance requirement at higher speed; the soundproof glass of examples 1 to 10 had an average soundproof amount of at least 36dB in the range of 100Hz to 500Hz, and had more excellent low-frequency soundproof property than that of comparative documents 1 to 3; the soundproof glass of examples 1 to 10 had a weighted soundproof amount of at least 45dB in the range of 100Hz to 5000Hz, and had more excellent full-frequency soundproof performance covering low and medium-high frequencies than that of comparative documents 1 to 3; in examples 6 to 10, the low-frequency sound-insulating performance of the sound-insulating glass can be further improved by using the vacuum glass having an asymmetric thickness in the case where the glass plates have the same thickness.
The soundproof glass for the high-speed locomotive can meet the gravel impact resistance requirement, has excellent low-frequency soundproof performance and medium-high frequency soundproof performance, meets the requirements of light weight, safety, sound insulation and the like, and can be widely used as side window glass of the high-speed locomotive.
The above description specifically describes an acoustic insulating glass for a high-speed locomotive according to the present invention, but the present invention is not limited to the above description, and therefore, any improvements, equivalent modifications, substitutions, etc. made in accordance with the technical gist of the present invention are intended to be included within the scope of the present invention.

Claims (13)

1. The sound insulation glass for the high-speed locomotive comprises outer laminated glass, inner vacuum glass and a first hollow layer positioned between the outer laminated glass and the inner vacuum glass, wherein dry gas is filled in the first hollow layer; the outer laminated glass comprises a first glass plate, a second glass plate and a first bonding layer laminated between the first glass plate and the second glass plate; the inner vacuum glass comprises a third glass plate, a fourth glass plate and a vacuum layer positioned between the third glass plate and the fourth glass plate, and a plurality of support columns are arranged in the vacuum layer; the second glass board with the third glass board is located respectively the both sides of first hollow layer, its characterized in that: the thickness of the first glass plate is 4 mm-10 mm, the thickness of the second glass plate is 0.4 mm-5 mm, and the thickness of the first bonding layer is 0.38 mm-2.28 mm; the thickness of the third glass plate is 2 mm-6 mm, the thickness of the fourth glass plate is 2 mm-6 mm, the thickness of the vacuum layer is 0.1 mm-0.8 mm, and the vacuum degree of the vacuum layer is less than or equal to 0.1 Pa.
2. The soundproof glass for high-speed locomotive according to claim 1, wherein: the ratio of the thickness of the first glass plate to the thickness of the second glass plate is 4 to 16.
3. The soundproof glass for high-speed locomotive according to claim 1, wherein: the vacuum degree is 0.00001 Pa-0.01 Pa.
4. The soundproof glass for high-speed locomotive according to claim 1, wherein: the ratio of the thickness of the fourth glass plate to the thickness of the third glass plate is 1.0-2.5.
5. The soundproof glass for high-speed locomotive according to claim 1, wherein: the ratio of the thickness of the fourth glass plate to the thickness of the third glass plate is 1.2 to 2.0.
6. The soundproof glass for high-speed locomotive according to claim 1, wherein: the sound insulation glass for the high-speed locomotive further comprises inner safety glass, the thickness of the inner safety glass is 0.4-6 mm, a second hollow layer or a laminated second bonding layer is formed between the inner safety glass and the fourth glass plate, dry gas is filled in the second hollow layer, and the thickness of the second bonding layer is 0.38-2.28 mm.
7. The soundproof glass for high-speed locomotive according to claim 6, wherein: a second hollow layer is formed between the inner safety glass and the fourth glass plate, the inner safety glass is single-piece toughened glass or laminated glass with the thickness of more than or equal to 1.6mm, the laminated glass comprises at least two third glass plates, the single-piece toughened glass or the third glass plates are physical toughened glass or chemical toughened glass, and the single-piece toughened glass or the third glass plates are soda-lime glass, aluminosilicate glass, lithium-aluminosilicate glass or borosilicate glass.
8. The soundproof glass for high-speed locomotive according to claim 6, wherein: and a second bonding layer is laminated between the inner safety glass and the fourth glass plate, the inner safety glass is single-piece toughened glass with the thickness of less than 1.6mm, the single-piece toughened glass is chemical toughened glass, and the single-piece toughened glass is soda-lime glass, aluminosilicate glass, lithium-aluminosilicate glass or borosilicate glass.
9. The soundproof glass for high-speed locomotive according to claim 6, wherein: the first bonding layer or the second bonding layer is at least one of polycarbonate, polyvinyl chloride, polyvinyl butyral, ethylene-vinyl acetate copolymer, polyacrylate, polymethyl methacrylate, an ionic interlayer or polyurethane.
10. The soundproof glass for high-speed locomotive according to claim 6, wherein: the second tie layer SGE film includes two ethylene-vinyl acetate copolymer layers and a polycarbonate layer laminated between the two ethylene-vinyl acetate copolymer layers.
11. The soundproof glass for high-speed locomotive according to claim 6, wherein: the thickness of the first hollow layer and the second hollow layer is 6-24 mm, the dry gas is dry air or inert gas, and the inert gas is argon, krypton, xenon or sulfur hexafluoride.
12. The soundproof glass for high-speed locomotive according to claim 1, wherein: the first glass plate is physically toughened glass or chemically toughened glass, and the first glass plate is made of soda-lime glass, aluminosilicate glass, lithium-aluminosilicate glass or borosilicate glass; the second glass plate, the third glass plate and the fourth glass plate are physically toughened glass or chemically toughened glass, and the second glass plate, the third glass plate and the fourth glass plate are made of at least one of soda lime glass, aluminosilicate glass, lithium aluminosilicate glass or borosilicate glass.
13. The soundproof glass for high-speed locomotive according to claim 1, wherein: the soundproof glass for the high-speed locomotive has an average sound insulation amount of at least 36dB in a range of 100Hz to 500Hz, and the soundproof glass for the high-speed locomotive has a weighted sound insulation amount of at least 45dB in a range of 100Hz to 5000 Hz.
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113815387A (en) * 2021-08-18 2021-12-21 中车长春轨道客车股份有限公司 Rail vehicle door window glass structure
CN114772950A (en) * 2022-05-18 2022-07-22 福耀高性能玻璃科技(福建)有限公司 Laminated vacuum glass and preparation method and application thereof
CN115075701A (en) * 2022-06-29 2022-09-20 中国建筑材料科学研究总院有限公司 Side window glass for high-speed locomotive
WO2023041460A1 (en) * 2021-09-15 2023-03-23 Agc Glass Europe Multiple glazing comprising a laminated vacuum insulating glazing unit
WO2023041456A1 (en) * 2021-09-15 2023-03-23 Agc Glass Europe Multiple glazing with asymmetric vacuum-insulating glazing unit
WO2023221314A1 (en) * 2022-05-18 2023-11-23 福耀高性能玻璃科技(福建)有限公司 Laminated vacuum glass, preparation method therefor and use thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203937254U (en) * 2014-05-07 2014-11-12 信义汽车玻璃(东莞)有限公司 EMUs glass for vehicle window
CN206217292U (en) * 2016-11-21 2017-06-06 王永光 A kind of curved surface composite multi-layer glass
CN111688303A (en) * 2020-05-11 2020-09-22 湖南盾神科技有限公司 Composite safety glass structure composed of asymmetric vacuum glass

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203937254U (en) * 2014-05-07 2014-11-12 信义汽车玻璃(东莞)有限公司 EMUs glass for vehicle window
CN206217292U (en) * 2016-11-21 2017-06-06 王永光 A kind of curved surface composite multi-layer glass
CN111688303A (en) * 2020-05-11 2020-09-22 湖南盾神科技有限公司 Composite safety glass structure composed of asymmetric vacuum glass

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113815387A (en) * 2021-08-18 2021-12-21 中车长春轨道客车股份有限公司 Rail vehicle door window glass structure
WO2023041460A1 (en) * 2021-09-15 2023-03-23 Agc Glass Europe Multiple glazing comprising a laminated vacuum insulating glazing unit
WO2023041456A1 (en) * 2021-09-15 2023-03-23 Agc Glass Europe Multiple glazing with asymmetric vacuum-insulating glazing unit
CN114772950A (en) * 2022-05-18 2022-07-22 福耀高性能玻璃科技(福建)有限公司 Laminated vacuum glass and preparation method and application thereof
WO2023221314A1 (en) * 2022-05-18 2023-11-23 福耀高性能玻璃科技(福建)有限公司 Laminated vacuum glass, preparation method therefor and use thereof
CN114772950B (en) * 2022-05-18 2024-03-12 福耀高性能玻璃科技(福建)有限公司 Laminated vacuum glass and preparation method and application thereof
CN115075701A (en) * 2022-06-29 2022-09-20 中国建筑材料科学研究总院有限公司 Side window glass for high-speed locomotive

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Application publication date: 20210601