CN111590969A - Sound insulation device - Google Patents

Sound insulation device Download PDF

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Publication number
CN111590969A
CN111590969A CN202010576824.9A CN202010576824A CN111590969A CN 111590969 A CN111590969 A CN 111590969A CN 202010576824 A CN202010576824 A CN 202010576824A CN 111590969 A CN111590969 A CN 111590969A
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China
Prior art keywords
sound
layer
insulating
sound insulation
insulating layer
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Pending
Application number
CN202010576824.9A
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Chinese (zh)
Inventor
侯东
金文德
王斌
刘主光
陈小刚
崔建业
由伟翰
聂京凯
韩钰
陈新
樊超
王广克
田一
刘晓圣
何强
杨富尧
祝志祥
马光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Global Energy Interconnection Research Institute
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Wenzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Global Energy Interconnection Research Institute
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Wenzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Publication date
Application filed by State Grid Corp of China SGCC, State Grid Zhejiang Electric Power Co Ltd, Global Energy Interconnection Research Institute, Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd, Wenzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202010576824.9A priority Critical patent/CN111590969A/en
Publication of CN111590969A publication Critical patent/CN111590969A/en
Priority to PCT/CN2021/101482 priority patent/WO2021259243A1/en
Pending legal-status Critical Current

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    • 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
    • B32B3/10—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 a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—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 a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • 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
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B13/12—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance 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
    • B32B27/06—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
    • 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
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • 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
    • B32B27/38—Layered products comprising a layer of synthetic resin comprising epoxy resins
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/022—Mechanical properties
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different 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
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/045—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162—Selection of materials
    • G10K11/168—Plural layers of different materials, e.g. sandwiches
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
    • 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
    • B32B2457/00—Electrical equipment

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)

Abstract

The present invention provides a sound insulating device comprising: the sound-absorbing layer comprises a first sound-insulating layer and a second sound-insulating layer, wherein at least one sound-absorbing layer is stacked between the first sound-insulating layer and the second sound-insulating layer. Through setting up range upon range of at least one sound absorbing layer that sets up between first sound insulating layer and second sound insulating layer and first sound insulating layer and the second sound insulating layer, wherein, first/second sound insulating layer has the sound insulation performance, the sound absorbing layer has the absorption to sound, choose the material combination of different materials for use between each layer, each layer material impedance is different, make different frequency sound wave produce the refraction on various interfaces, the reflection, in order to reach the purpose that consumes the sound energy, resonance and the coincidence frequency stagger, thereby reach the effect of high-efficient sound absorption sound insulation, in order to match the demand of making an uproar of flat wave reactor.

Description

Sound insulation device
Technical Field
The invention relates to the field of power equipment, in particular to a sound insulation device.
Background
China makes a major breakthrough in the ultra-high voltage power transmission and transformation core technology and equipment localization, but has short boards to be improved in the aspects of environmental harmony of electrical equipment and the like. In the process of extra-high voltage engineering construction, environmental protection problems represented by audible noise in particular are bringing non-negligible environmental pressure to a power grid. Since 2015, a 200-meter noise control area is completely cancelled in domestic ultrahigh-voltage and extra-high-voltage transformer substations/converter stations, the noise control is executed strictly according to the requirements of the factory boundary noise emission limit, and the converter stations are divided into II-type acoustic environment function areas according to the regional characteristics of extra-high voltage engineering, namely, the factory boundary noise in the daytime should not be higher than 60dB (A), and the factory boundary noise in the night time should not be higher than 50dB (A), which is a challenge to the environmental protection standard of the converter stations. Particularly, the smoothing reactor is positioned at the edge of a converter station factory boundary and is very easy to influence the peripheral sound environment.
At present, noise treatment is generally carried out by adopting a sound insulation cover mode. The smoothing reactor is placed outdoors for a long time and is in an uninterrupted electrified running state. In the correlation technique, the sound insulation cover that carries out the sound insulation to the smoothing reactor is in order to play fire-retardant, resistant time, insulating effect, and its inside intermediate layer generally adopts hollow structure to reach the sound insulation effect, but its sound insulation noise reduction effect is very limited, so need to propose a new sound insulation material and carry out effective isolation to the noise that the smoothing reactor produced.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect of limited sound insulation and noise reduction effects on the smoothing reactor in the prior art, and thus the sound insulation device is provided.
An embodiment of the present invention provides a sound insulation device, including: the sound-absorbing layer comprises a first sound-insulating layer and a second sound-insulating layer, wherein at least one sound-absorbing layer is stacked between the first sound-insulating layer and the second sound-insulating layer.
Optionally, a sound absorption layer is stacked between the first sound insulation layer and the second sound insulation layer, and the first sound insulation layer is connected with the sound absorption layer and the second sound insulation layer is connected with the sound absorption layer through bonding layers.
Optionally, a plurality of sound absorption layers are stacked between the first sound insulation layer and the second sound insulation layer, and the first sound insulation layer is connected with the sound absorption layers, the second sound insulation layer is connected with the sound absorption layers, and the sound absorption layers are connected through bonding layers.
Optionally, the materials of the first and second sound insulation layers include: any one of epoxy resin plate, polyvinyl chloride plate, calcium silicate plate, gypsum plate and glass fiber reinforced plastic.
Optionally, the first and second sound insulation layers are made of different materials.
Optionally, the material of the first adhesive layer and the second adhesive layer comprises silicone gel, and the thickness of the silicone gel ranges from 2 mm to 4 mm.
Optionally, the sound absorbing layer comprises: the panel of the sound absorption layer is arranged on the upper surface and the lower surface of the honeycomb plate.
Optionally, the honeycomb plate is a hexagonal plastic honeycomb plate, the thickness of the hexagonal plastic honeycomb plate is 10-30mm, the length of the hexagonal side is 6mm, and the wall thickness is 0.5-1 mm.
Optionally, the first sound insulation layer and the second sound insulation layer are epoxy resin plates or polyvinyl chloride plates, and the thickness of each epoxy resin plate or each polyvinyl chloride plate ranges from 5mm to 10 mm; the surface density of the epoxy resin plate or the polyvinyl chloride plate is 3-10kg/m2。
Optionally, the first sound insulation layer and the second sound insulation layer are a calcium silicate board and a gypsum board, the thickness of the calcium silicate board or the gypsum board ranges from 5mm to 10mm, and the areal density of the calcium silicate board or the gypsum board ranges from 15 kg/m to 30kg/m2。
The technical scheme of the invention has the following advantages:
1. the sound insulation device provided by the embodiment is provided with at least one sound absorption layer in a stacked mode through the arrangement of the first sound insulation layer and the second sound insulation layer and the arrangement of the first sound insulation layer and the second sound insulation layer, wherein the first/second sound insulation layer has sound insulation performance, and the sound absorption layer has an absorption effect on sound, so that a good sound insulation effect is achieved.
2. The sound-proof device that this embodiment provided realizes the connection between each layer through the adhesive linkage, and the adhesive linkage can regard as the damping layer, realizes consuming the vibration volume, breaks the effect of acoustic bridge, further improves sound-proof effect of sound-proof device.
3. The sound-proof device that this embodiment provided, the material of different impedance is selected on first sound-proof layer, second sound-proof layer, can weaken resonance and improve the anastomotic effect, selects the material combination of different materials for use between each layer, and each layer material impedance is different for different frequency sound waves produce refraction, reflection on various interfaces, with the purpose that reaches consumption sound energy, resonance and the critical anastomotic frequency stagger, thereby reach the effect of high-efficient sound absorption and insulation, with the demand of making an uproar falls in the matching smoothing reactor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of a concrete example of a sound-proof device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a concrete example of a sound-proofing device according to an embodiment of the present invention;
FIG. 3 is a schematic view of a concrete example of a sound-proofing device according to an embodiment of the present invention;
fig. 4 is a graph showing the test results of a specific example of a sound-proof device according to an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
An embodiment of the present invention provides a sound insulation device, including: the sound-absorbing layer comprises a first sound-insulating layer and a second sound-insulating layer, and at least one sound-absorbing layer is stacked between the first sound-insulating layer and the second sound-insulating layer.
In this embodiment, two sound absorbing layers are provided between a first sound insulating layer and a second sound insulating layer, and as shown in fig. 1, a first sound insulating layer 101, a first sound absorbing layer 102, a second sound absorbing layer 103, and a second sound insulating layer 104 are stacked in this order.
The first sound-insulating layer 101 and the second sound-insulating layer 104 may be made of any corrosion-resistant, insulating, flame-retardant material, such as gypsum board, calcium carbonate board, etc.; the first and second sound absorbing layers 102, 103 may be any structural material with closed cavities, such as a plastic plate with a circular hole-like structure. The first sound insulation layer 101, the first sound absorption layer 102, the second sound absorption layer 103 and the second sound insulation layer 104 can be combined into a detachable sound insulation device in an inserting mode, and can also be formed by bonding through viscose. The material and thickness of each layer and the connection mode of each layer are not limited, and can be determined by those skilled in the art according to the needs.
The sound insulation device provided by the embodiment is provided with at least one sound absorption layer in a stacked mode through the arrangement of the first sound insulation layer and the second sound insulation layer and the arrangement of the first sound insulation layer and the second sound insulation layer, wherein the first/second sound insulation layer has sound insulation performance, and the sound absorption layer has an absorption effect on sound, so that a good sound insulation effect is achieved.
As an optional implementation manner, a sound absorption layer is stacked between the first sound insulation layer and the second sound insulation layer, and the first sound insulation layer is connected with the sound absorption layer and the second sound insulation layer is connected with the sound absorption layer through bonding layers.
In this embodiment, as shown in fig. 2, a first sound insulation layer 101, a first adhesive layer 202, a sound absorption layer 203, a second adhesive layer 204, and a second sound insulation layer 104 will be described as an example. The first adhesive layer 202 and the second adhesive layer 204 may be any material having the functions of connecting, damping and breaking the acoustic bridge, such as damping gel, and the material of the first adhesive layer and the second adhesive layer is not limited in this embodiment and can be determined by those skilled in the art as needed. The first sound insulation layer 101 and the second sound insulation layer 104 are made of any corrosion-resistant, insulating and flame-retardant material, such as gypsum board, calcium carbonate board and the like; the sound absorbing layer 203 may be any structural material with closed cavities, such as a plastic panel with a circular hole-like structure. The sound-proof device that this embodiment provided realizes the connection between each layer through the adhesive linkage, and the adhesive linkage can regard as the damping layer, realizes consuming the vibration volume, breaks the effect of acoustic bridge, further improves sound-proof effect of sound-proof device.
As an optional implementation manner, a plurality of sound absorption layers are stacked between the first sound insulation layer and the second sound insulation layer, and the first sound insulation layer is connected with the sound absorption layers, the second sound insulation layer is connected with the sound absorption layers, and the sound absorption layers are connected through bonding layers.
As an alternative embodiment of this embodiment, the materials of the first and second sound-insulating layers include: any one of epoxy resin plate, polyvinyl chloride plate, calcium silicate plate, gypsum plate and glass fiber reinforced plastic.
As an alternative embodiment of this embodiment, the materials used for the first and second sound-insulating layers are different. That is, when the first sound insulation layer is a polyvinyl chloride plate, the second sound insulation layer is not a polyvinyl chloride plate, and may be a gypsum board, a calcium silicate board, or the like. The sound-proof device that this embodiment provided, the material of different acoustic impedances is selected on first sound-proof layer, second sound-proof layer, can weaken resonance and improve the anastomotic effect, selects the material combination of different materials for use between each layer, and each layer material impedance is different for different frequency sound waves produce refraction, reflection on various interfaces, with the purpose that reaches consumption sound energy, stagger resonance and the critical anastomotic frequency, thereby reach the effect of high-efficient sound absorption and insulation, with the demand of making an uproar falls in the matching smoothing reactor. In the embodiment, different thicknesses can be adopted for the materials of the layers, so that the sound insulation effect of the resonance region is further improved.
As an alternative embodiment of this embodiment, the material of the first adhesive layer and the second adhesive layer includes silicone gel; the silicone gel thickness ranges from 2 to 4 mm. The organic silicon gel has good sealing property, adhesion and weather resistance, can be regarded as a damping material besides the connection effect, inhibits the vibration resonance between plates, prevents the rigid connection of the plates and damages an acoustic bridge, and is extruded and deformed by the vibration when sound waves enter the organic silicon gel, so that the sound insulation of a resonance sound frequency area and an anastomosis sound frequency area is improved.
As an alternative embodiment of this embodiment, the sound absorption layer, as shown in fig. 3, includes: the panel of the sound absorption layer is arranged on the upper surface and the lower surface of the honeycomb plate; the honeycomb plate is a hexagonal plastic honeycomb plate; the thickness of the hexagonal plastic honeycomb plate is 10-20mm, the side length of the hexagonal plastic honeycomb plate is 6mm, and the wall thickness is 0.5-1 mm. The sound-absorbing layer structure comprises upper and lower two-layer sound-absorbing layer panel and middle honeycomb panel, and the quality is light, and has enough intensity, because there are a plurality of confined cavities in the honeycomb panel structure, receives very big hindrance when the sound wave process, and the sound energy is consumed in the repeated reflection between the cavity interface, has better isolated effect to the noise of low frequency, improves the regional sound insulation performance of resonance.
As an optional implementation manner of this embodiment, the first sound insulation layer and the second sound insulation layer are epoxy resin plates or polyvinyl chloride plates, and the thickness of the epoxy resin plates or the polyvinyl chloride plates ranges from 5mm to 10 mm; the epoxy resin plate or polyvinyl chlorideThe surface density of the olefin plate is 3-10kg/m2。
As an alternative mode of the embodiment, the first sound-insulating layer and the second sound-insulating layer are calcium silicate boards and gypsum boards, the thickness of the calcium silicate boards or gypsum boards ranges from 5mm to 10mm, and the areal density of the calcium silicate boards or gypsum boards ranges from 15 kg/m to 30kg/m2。
Scheme 1 of the present example: the first sound insulation layer is a polyvinyl chloride plate, and the thickness of the first sound insulation layer is 5 mm; the second sound insulation layer is a gypsum board, and the thickness of the second sound insulation layer is 10 mm; the first bonding layer and the second bonding layer are organic silicon gel, and the thickness of the first bonding layer and the second bonding layer is 3 mm; the sound absorption layer comprises a sound absorption layer panel and a honeycomb plate, the sound absorption layer panel is arranged on the upper surface and the lower surface of the honeycomb plate, the sound absorption layer panel is a polyvinyl chloride plate, the thickness of the sound absorption layer panel is 0.5mm, the honeycomb plate is a hexagonal plastic honeycomb plate, the thickness of the honeycomb plate is 20mm, the length of a hexagonal side is 6mm, and the sound insulation performance test result is shown in figure 4.
Scheme 2 of the present example: the first sound insulation layer is an epoxy resin plate, and the thickness of the first sound insulation layer is 10 mm; the second sound insulation layer is a calcium silicate plate with the thickness of 10 mm; the first bonding layer and the second bonding layer are organic silicon gel, and the thickness of the first bonding layer and the second bonding layer is 3 mm; the sound absorption layer comprises a sound absorption layer panel and a honeycomb plate, the sound absorption layer panel is arranged on the upper surface and the lower surface of the honeycomb plate, the sound absorption layer panel is a polyvinyl chloride plate, the thickness of the sound absorption layer panel is 0.5mm, the honeycomb plate is a hexagonal plastic honeycomb plate, the thickness of the honeycomb plate is 25mm, the length of the hexagonal side is 6mm, and the sound insulation performance effect test result is shown in figure 4.
Scheme 3 of the present example: the first sound insulation layer is a calcium silicate plate, and the thickness of the first sound insulation layer is 10 mm; the second sound insulation layer is an epoxy resin plate, and the thickness of the second sound insulation layer is 10 mm; the first bonding layer and the second bonding layer are organic silicon gel, and the thickness of the first bonding layer and the second bonding layer is 3 mm; the sound absorption layer comprises a sound absorption layer panel and a honeycomb plate, the sound absorption layer panel is arranged on the upper surface and the lower surface of the honeycomb plate, the sound absorption layer panel is a polyvinyl chloride plate, the thickness of the sound absorption layer panel is 1mm, the honeycomb plate is a hexagonal plastic honeycomb plate, the thickness of the honeycomb plate is 30mm, the length of the hexagonal side is 6mm, and the sound insulation performance test result is shown in figure 4.
Comparative example 1: the thickness of the calcium silicate board of the first sound insulation layer is 10mm, the thickness of the second sound insulation layer is 10mm, the middle of the second sound insulation layer is provided with a 30mm cavity, and the sound insulation performance test result is shown in figure 4.
Comparative example 1 is a prior art scheme, and as can be seen from fig. 4, at about 1600HZ, the sound insulation amount of comparative example 1 changes abruptly, the sound insulation performance is greatly reduced, and the sound insulation devices in this example are not greatly affected, and the sound insulation performance is more stable, so that the scheme in this example can improve the sound insulation performance in the resonance region.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (10)

1. A sound-insulating device, comprising: the sound-absorbing layer comprises a first sound-insulating layer and a second sound-insulating layer, wherein at least one sound-absorbing layer is stacked between the first sound-insulating layer and the second sound-insulating layer.
2. The sound-proof device of claim 1, wherein a sound-absorbing layer is stacked between the first sound-proof layer and the second sound-proof layer, and the first sound-proof layer is connected with the sound-absorbing layer and the second sound-proof layer is connected with the sound-absorbing layer through bonding layers.
3. The sound-proof device of claim 1, wherein a plurality of sound-absorbing layers are stacked between the first sound-proof layer and the second sound-proof layer, and the first sound-proof layer is connected with the sound-absorbing layers, the second sound-proof layer is connected with the sound-absorbing layers, and the sound-absorbing layers are connected with the sound-absorbing layers through bonding layers.
4. The sound-insulating device according to claim 1, wherein the material of the first and second sound-insulating layers comprises: any one of epoxy resin plate, polyvinyl chloride plate, calcium silicate plate, gypsum plate and glass fiber reinforced plastic.
5. The sound-insulating device according to claim 1, wherein the first sound-insulating layer and the second sound-insulating layer are made of different materials.
6. A sound-insulating device according to claim 2 or 3, characterized in that the material of the adhesive layer comprises a silicone gel having a thickness in the range of 2-4 mm.
7. The sound-insulating device of claim 1, wherein the sound-absorbing layer comprises: the panel of the sound absorption layer is arranged on the upper surface and the lower surface of the honeycomb plate.
8. The sound-insulating device according to claim 7, wherein the honeycomb plate is a hexagonal plastic honeycomb plate having a thickness of 10-30mm, a hexagonal side length of 6mm, and a wall thickness of 0.5-1 mm.
9. The sound-insulating device according to claim 1, wherein the first and second sound-insulating layers are epoxy resin plates or polyvinyl chloride plates having a thickness in the range of 5-10 mm; the surface density of the epoxy resin plate or the polyvinyl chloride plate is 3-10kg/m2。
10. The sound-insulating device according to claim 1, wherein the first and second sound-insulating layers are calcium silicate boards or gypsum boards having a thickness in the range of 5-10mm and an areal density in the range of 15-30kg/m2。
CN202010576824.9A 2020-06-22 2020-06-22 Sound insulation device Pending CN111590969A (en)

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