CN110924546A - Inhale compound core plate structure of pressing from both sides of sound insulation - Google Patents
Inhale compound core plate structure of pressing from both sides of sound insulation Download PDFInfo
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- CN110924546A CN110924546A CN201911262117.6A CN201911262117A CN110924546A CN 110924546 A CN110924546 A CN 110924546A CN 201911262117 A CN201911262117 A CN 201911262117A CN 110924546 A CN110924546 A CN 110924546A
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- plate
- sound absorption
- acoustic baffle
- sound
- insulation
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- 238000009413 insulation Methods 0.000 title claims abstract description 56
- 150000001875 compounds Chemical group 0.000 title description 2
- 238000003825 pressing Methods 0.000 title description 2
- 238000010521 absorption reaction Methods 0.000 claims abstract description 57
- 239000002131 composite material Substances 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims description 15
- 229920003023 plastic Polymers 0.000 claims description 14
- 239000004033 plastic Substances 0.000 claims description 14
- 239000011521 glass Substances 0.000 claims description 13
- 229910052602 gypsum Inorganic materials 0.000 claims description 13
- 239000010440 gypsum Substances 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims description 12
- 239000011120 plywood Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 239000011087 paperboard Substances 0.000 claims description 6
- -1 polypropylene Polymers 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 229920000515 polycarbonate Polymers 0.000 claims description 4
- 239000004417 polycarbonate Substances 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000011491 glass wool Substances 0.000 claims description 3
- 230000002209 hydrophobic effect Effects 0.000 claims description 3
- 239000011490 mineral wool Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 2
- 239000003562 lightweight material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 230000002265 prevention Effects 0.000 description 1
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Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B1/86—Sound-absorbing elements slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B2001/8423—Tray or frame type panels or blocks, with or without acoustical filling
- E04B2001/8433—Tray or frame type panels or blocks, with or without acoustical filling with holes in their face
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B2001/8423—Tray or frame type panels or blocks, with or without acoustical filling
- E04B2001/8452—Tray or frame type panels or blocks, with or without acoustical filling with peripheral frame members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B2001/8457—Solid slabs or blocks
- E04B2001/8461—Solid slabs or blocks layered
- E04B2001/8471—Solid slabs or blocks layered with non-planar interior transition surfaces between layers, e.g. faceted, corrugated
Abstract
The invention discloses a sound absorption and insulation composite sandwich flat plate structure, belongs to the field of noise control of buildings and ships, and aims to solve the problem that a sound absorption and insulation structure in the prior art is weak in impact resistance and vibration resistance; acoustic baffle, buckled plate and acoustic baffle are fixed connection in proper order from top to bottom, and acoustic baffle, buckled plate and acoustic baffle all set up in the sheet frame around, the lower part fixed connection of every bounding wall in acoustic baffle and the sheet frame around, the upper portion fixed connection of every bounding wall in acoustic baffle and the sheet frame around, M waterproof sound piece equipartition of inhaling in the clearance that buckled plate and acoustic baffle formed. The invention is mainly applied to noise reduction of a large amount of noise generated by the operation of electromechanical equipment in the running process of a ship.
Description
Technical Field
The invention belongs to the field of noise control of buildings and ships, and particularly relates to a sound absorption and insulation composite sandwich flat plate structure.
Background
The noise in life affects the life quality of people, and the operation of electromechanical equipment can generate larger noise in the driving process of the ship. In order to reduce the noise transmission, most of people choose to arrange a sound insulation structure at a noise source or on a transmission path so as to increase the transmission loss of the noise and achieve the purpose of controlling the noise. The sound insulation quantity of the sound insulation structure follows the mass law, namely for sound waves with certain frequency, the surface density and the thickness of the sound insulation structure determine the sound insulation quantity of the sound insulation structure. Therefore, in order to obtain an excellent low-frequency sound insulation effect, the thickness of the sound insulation structure must be increased. By adopting some composite structures, the constraint of the mass law can be broken through, and the sound insulation quantity of the sound insulation structure is improved. At present, a common sound insulation structure achieves the purpose of optimization by adopting a multilayer board and a cavity or a sound absorption damping layer, but the overall rigidity of the structure is lower, and the shock resistance is weaker, so that the sound absorption and insulation structure is developed, and the sound absorption and insulation structure has excellent shock resistance and vibration resistance while meeting the sound absorption and insulation capability, and the characteristic of meeting the actual requirement is very consistent.
Disclosure of Invention
The invention provides a sound absorption and insulation composite sandwich flat plate structure, aiming at solving the problem that the sound absorption and insulation structure in the prior art is weak in impact resistance and vibration resistance;
a sound absorption and insulation composite sandwich flat plate structure comprises a sound absorption plate, corrugated plates, a sound insulation plate, four surrounding plate frames and M waterproof sound absorption blocks, wherein M is a positive integer; the sound absorption plate, the corrugated plate and the sound insulation plate are fixedly connected from top to bottom in sequence, the sound absorption plate, the corrugated plate and the sound insulation plate are all arranged in the four surrounding plate frames, the sound insulation plate is fixedly connected with the lower part of each coaming in the four surrounding plate frames, the sound absorption plate is fixedly connected with the upper part of each coaming in the four surrounding plate frames, and M waterproof sound absorption blocks are uniformly distributed in gaps formed by the corrugated plate, the sound absorption plate and the sound insulation plate;
furthermore, the sound absorption plate is a rectangular micro-perforated plate, and the aperture ratio is 25% -40%;
furthermore, the sound absorption plate is made of one of a metal plate plastic plate assembly, a plywood-gypsum board assembly, organic glass, glass cloth and a paperboard, when the sound absorption plate is made of the metal plate plastic plate assembly, the metal plate serves as a panel layer, the plastic plate serves as a back plate layer, the thickness of the panel layer and the thickness of the back plate layer are both 0.5mm-10mm, the sound absorption plate is made of the plywood-gypsum board assembly, the plywood serves as the panel layer, the gypsum board serves as the back plate layer, and the thickness of the panel layer and the thickness of the back plate layer are both 0.5mm-10 mm;
furthermore, the sound insulation board is made of one of a metal plate plastic board assembly, a plywood-gypsum board assembly, organic glass, glass cloth and a paperboard, when the sound insulation board is made of the metal plate plastic board assembly, the metal plate serves as a panel layer, the plastic board serves as a back board layer, the thickness of the panel layer and the thickness of the back board layer are both 0.5mm-10mm, the sound insulation board is made of the plywood-gypsum board assembly, the plywood serves as the panel layer, the gypsum board serves as the back board layer, and the thickness of the panel layer and the thickness of the back board layer are both 0.5mm-10 mm;
furthermore, the four surrounding plate frames are rectangular frame bodies, and the four surrounding plate frames are formed by sequentially connecting end plates from end to end;
furthermore, the wave crests of the corrugated plates are fixedly connected with the sound absorption plate, the wave troughs of the corrugated plates are fixedly connected with the sound insulation plate, the corrugated plates are made of one of polyvinyl chloride, polypropylene, polycarbonate, polyethylene, polymethyl methacrylate, glass fiber reinforced plastics and steel, the thickness of each corrugated plate is 1-7 mm, and the height of each corrugation in each corrugated plate is 20-50 mm;
furthermore, the outer layer cloth of the waterproof sound absorption block is one of non-woven fabric and hydrophobic cloth, the inner container of the waterproof sound absorption block is one of rock wool or glass wool, the shape of the waterproof sound absorption block is the same as the shape of a gap formed between a corrugated plate and the sound absorption plate and the sound insulation plate, and the thickness of the waterproof sound absorption block is 20mm-50 mm.
Compared with the prior art, the invention has the following beneficial effects:
1. the sound absorption and insulation composite sandwich flat plate structure provided by the invention has a good sound insulation effect on low-frequency and medium-high-frequency noises of a broadband noise source by adopting a multilayer structure consisting of the sound absorption plate, the corrugated plate and the sound insulation plate.
2. According to the sound absorption and insulation composite sandwich flat plate structure, the corrugated plate is introduced, so that the integral rigidity of the structure is effectively improved, and the sound absorption and insulation capability is met, and meanwhile, the sound absorption and insulation composite sandwich flat plate structure has excellent shock resistance and vibration resistance.
3. The sound absorption and insulation composite sandwich flat plate structure provided by the invention has the advantages of simple structure, convenience in production, economy, durability, reliable performance, low cost, long service life, difficulty in deformation, no pollution to the environment and higher application value.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is an isometric view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a front view of the present invention
FIG. 5 is a front view of the structure of the sound absorbing panel, the corrugated panel and the sound insulating panel according to the present invention;
FIG. 6 is a side view of the structure of the sound absorbing panel, the corrugated panel and the sound insulating panel according to the present invention;
in the figure, a sound absorption plate 1, a corrugated plate 2, a sound insulation plate 3, surrounding enclosing plates 4 and a waterproof sound absorption block 5 are arranged.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1, and provides a sound absorption and insulation composite sandwich flat plate structure, which comprises a sound absorption plate 1, corrugated plates 2, a sound insulation plate 3, a four-peripheral plate frame 4 and M waterproof sound absorption blocks 5, wherein M is a positive integer; acoustic baffle 1, buckled plate 2 and acoustic baffle 3 are fixed connection in proper order from top to bottom, and acoustic baffle 1, buckled plate 2 and acoustic baffle 3 all set up in sheet frame 4 around, the lower part fixed connection of every bounding wall in acoustic baffle 3 and the sheet frame 4 around, the upper portion fixed connection of every bounding wall in acoustic baffle 1 and the sheet frame 4 around, M waterproof sound absorption piece 5 equipartitions in the clearance of buckled plate 2 and acoustic baffle 1 and acoustic baffle 3 formation.
In the present embodiment, the sound absorbing panel 1 and the corrugated panel 2 are fixed by adhesion, the corrugated panel 2 and the sound insulating panel 3 are fixed by adhesion, each of the surrounding panels of the sound absorbing panel 1 and the surrounding panel frame 4 is fixed by adhesion, and each of the surrounding panels of the sound insulating panel 3 and the surrounding panel frame 4 is fixed by adhesion, in the present embodiment, the thickness range of the sound absorbing panel 1 and the sound insulating panel 3 is 0.5mm to 10mm, and the thickness is selected to be related to the structural dimensions of the sound absorbing panel 1 and the sound insulating panel 3 and the noise frequency at the sound location in the practical application process of the present invention, the larger the structural dimensions of the sound absorbing panel 1 and the sound insulating panel 3 are, the higher the noise frequency is, the larger the thickness of the sound absorbing panel 1 and the sound insulating panel 3 is, the smaller the structural dimensions of the sound absorbing panel 1 and the sound insulating panel 3 are, the lower the noise frequency is, and the smaller the thickness of the sound absorbing panel 1 and the.
The second embodiment is as follows: the present embodiment will be described with reference to fig. 3, which is a further limitation of the sound-absorbing panel 1 according to the first embodiment, and in the present embodiment, the sound-absorbing panel 1 is a rectangular micro-perforated panel having an aperture ratio of 25% to 40%. Other components and connection modes are the same as those of the first embodiment.
In the present embodiment, the aperture ratio of the rectangular micro-perforated plate is related to the magnitude of the noise to be isolated, and the larger the aperture ratio, the larger the noise to be absorbed, and the smaller the aperture ratio, the smaller the noise to be absorbed.
The third concrete implementation mode: referring to fig. 1, the present embodiment is described, the present embodiment is to further limit the sound absorbing panel 1, in the present embodiment, the material of the sound absorbing panel 1 is one of a metal plate plastic panel assembly, a plywood gypsum board assembly, organic glass, glass cloth and a paper board, when the material of the sound absorbing panel 1 is the metal plate plastic panel assembly, the metal plate is used as a panel layer, the plastic panel is used as a back panel layer, the thickness of the panel layer and the back panel layer are both 0.5mm to 10mm, the material of the sound absorbing panel 1 is the plywood gypsum board assembly, the plywood is used as a panel layer, the gypsum board is used as the back panel layer, and the thickness of the panel layer and the thickness of the back panel layer are both 0.5mm to 10 mm. Other components and connection modes are the same as those of the first embodiment.
In the present embodiment, in consideration of the load bearing capacity of the sound insulating structure in the working environment, if the load bearing capacity of the carrier of the sound insulating structure is low, the light weight material should be properly considered.
The fourth concrete implementation mode: referring to fig. 1, the present embodiment is described, and the present embodiment further defines the sound insulation board 3 according to the first embodiment, in the present embodiment, the material of the sound insulation board 3 is one of a metal plate plastic board assembly, a plywood-gypsum board assembly, organic glass, glass cloth and a paper board, when the material of the sound insulation board 3 is the metal plate plastic board assembly, the metal plate is used as a panel layer, the plastic board is used as a back board layer, the thickness of the panel layer and the back board layer is 0.5mm to 10mm, the material of the sound insulation board 3 is a plywood board assembly, the plywood is used as a panel layer, the gypsum board is used as a back board layer, and the thickness of the panel layer and the back board layer is 0.5mm to 10 mm. Other components and connection modes are the same as those of the first embodiment.
In the present embodiment, in consideration of the load bearing capacity of the sound insulating structure in the working environment, if the load bearing capacity of the carrier of the sound insulating structure is low, the light weight material should be properly considered.
The fifth concrete implementation mode: the present embodiment will be described with reference to fig. 2, and the present embodiment further defines the four-peripheral panel frame 4 described in the second embodiment, and in the present embodiment, the four-peripheral panel frame 4 is a rectangular frame body, and the four-peripheral panel frame 4 is formed by sequentially connecting enclosing panels end to end. Other components and connection modes are the same as those of the first embodiment.
In this embodiment, the frame structure of the surrounding plate frame 4 can be appropriately changed according to the working environment, and the number of the enclosing plates is correspondingly increased or decreased.
The sixth specific implementation mode: referring to fig. 1, this embodiment is described, which further defines the seventh step of the corrugated plate 2 according to the second embodiment, in this embodiment, the wave crests of the corrugated plate 2 are fixedly connected to the sound absorbing plate 1, the wave troughs of the corrugated plate 2 are fixedly connected to the sound insulating plate 3, and the corrugated plate 2 is made of polyvinyl chloride, polypropylene or polycarbonate 2, and has a corrugation height of 20mm to 50 mm. Other components and connection modes are the same as those of the first embodiment.
In this embodiment, the corrugated plate 2 may be made of polyvinyl chloride, polypropylene, polycarbonate, polyethylene, polymethyl methacrylate, glass fiber reinforced plastic, steel, etc., if the corrugated plate 2 is made of steel and the panel layers of the sound absorbing plate 1 and the sound insulating plate 3 are made of metal, the fastening method between the corrugated plate 2 and the sound absorbing plate 1 and the sound insulating plate 3 may be welding, the thickness of the corrugated plate 2 is related to the sound insulating structure size and the noise frequency, the larger the structure size of the sound absorbing plate 1 and the sound insulating plate 3 is, the higher the noise frequency is, the larger the thickness of the corrugated plate 2 is, the smaller the structure size of the sound absorbing plate 1 and the sound insulating plate 3 is, the lower the noise frequency is, the smaller the thickness of the corrugated plate 2 is, and the corrugated height is 20-50 mm, depending on the limitation condition of the total thickness.
The seventh embodiment: the present embodiment will be described with reference to fig. 3, which further limits the waterproof sound absorbing block 5 according to the second embodiment, wherein the outer layer fabric of the waterproof sound absorbing block 5 is one of a non-woven fabric and a hydrophobic fabric, the inner container of the waterproof sound absorbing block 5 is one of rock wool and glass wool, the shape of the waterproof sound absorbing block 5 is the same as the shape of the gap formed between the corrugated plate 2 and the sound absorbing and insulating plates 1 and 3, and the thickness of the waterproof sound absorbing block 5 is 20mm to 50 mm. Other components and connection modes are the same as those of the first embodiment.
In this embodiment, since the present invention is applied to a humid environment, the waterproof sound absorption block 5 mainly plays a role of moisture prevention, absorbs moisture in air, and prevents mist or liquid from entering a sound source.
The present invention is not limited to the above embodiments, and any person skilled in the art can make many modifications and equivalent variations by using the above-described structures and technical contents without departing from the scope of the present invention.
Principle of operation
When the sound-absorbing board is used, the side where the sound-absorbing board 1 is located is close to a sound source, sound waves emitted from the sound source can enter the sound-absorbing board 1 along the holes, the sound waves absorb vibration when passing through the waterproof sound-absorbing block 5 and the corrugated plate 2, the frequency of the sound waves is reduced, and the noise-reducing effect is realized, and the sound waves subjected to noise reduction are discharged along the sound-absorbing board 3.
Claims (7)
1. A sound absorption and insulation composite sandwich flat plate structure is characterized in that: the flat plate structure comprises a sound absorption plate (1), corrugated plates (2), a sound insulation plate (3), four surrounding plate frames (4) and M waterproof sound absorption blocks (5), wherein M is a positive integer; acoustic baffle (1), buckled plate (2) and acoustic baffle (3) are fixed connection in proper order from top to bottom, and acoustic baffle (1), buckled plate (2) and acoustic baffle (3) all set up in sheet frame (4) around, the lower part fixed connection of every bounding wall in acoustic baffle (3) and sheet frame (4) around, the upper portion fixed connection of every bounding wall in acoustic baffle (1) and sheet frame (4) around, M waterproof sound absorption piece (5) equipartition is in the clearance of buckled plate (2) and acoustic baffle (1) and acoustic baffle (3) formation.
2. The sound absorption and insulation composite sandwich flat plate structure as claimed in claim 1, which is characterized in that: the sound absorption plate (1) is a rectangular micro-perforated plate, and the aperture ratio is 25% -40%.
3. The sound absorption and insulation composite sandwich flat plate structure as claimed in claim 1, which is characterized in that: the material of the sound absorption plate (1) is any one of a metal plate plastic plate assembly, a plywood gypsum board assembly, organic glass, glass cloth and a paperboard.
4. The sound absorption and insulation composite sandwich flat plate structure as claimed in claim 1, which is characterized in that: the sound insulation board (3) is made of metal plate plastic board assembly, plywood gypsum board assembly, organic glass, glass cloth and paperboard.
5. The sound absorption and insulation composite sandwich flat plate structure as claimed in claim 1, which is characterized in that: the surrounding plate frames (4) are rectangular frame bodies, and the surrounding plate frames (4) are formed by sequentially connecting end plates.
6. The sound absorption and insulation composite sandwich flat plate structure as claimed in claim 1, which is characterized in that: the crest department and the acoustic baffle (1) fixed connection of buckled plate (2), the trough department and the acoustic baffle (3) fixed connection of buckled plate (2), the material of buckled plate (2) is any one of polyvinyl chloride, polypropylene, polycarbonate, polyethylene, methyl polymethyl methacrylate, glass steel and steel, and the thickness of buckled plate (2) is 1mm-7mm, and the ripple height is 20mm-50mm in buckled plate (2).
7. The sound absorption and insulation composite sandwich flat plate structure as claimed in claim 1, which is characterized in that: the outer cloth of the waterproof sound absorption block (5) is one of non-woven fabric and hydrophobic cloth, the inner container of the waterproof sound absorption block (5) is rock wool or glass wool, the shape of the waterproof sound absorption block (5) is the same as the shape of a gap formed between the corrugated plate (2) and the sound absorption plate (1) and the sound insulation plate (3), and the thickness of the waterproof sound absorption block (5) is 20-50 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911262117.6A CN110924546A (en) | 2019-12-10 | 2019-12-10 | Inhale compound core plate structure of pressing from both sides of sound insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911262117.6A CN110924546A (en) | 2019-12-10 | 2019-12-10 | Inhale compound core plate structure of pressing from both sides of sound insulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110924546A true CN110924546A (en) | 2020-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911262117.6A Pending CN110924546A (en) | 2019-12-10 | 2019-12-10 | Inhale compound core plate structure of pressing from both sides of sound insulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110924546A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775067A (en) * | 2021-10-25 | 2021-12-10 | 广州新静界声学科技股份有限公司 | Composite sound absorption assembly with enhanced low frequency absorption |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19502378A1 (en) * | 1994-08-10 | 1996-02-15 | Gefinex Jackon Gmbh | Acoustic insulation plate |
| JPH10152908A (en) * | 1996-11-20 | 1998-06-09 | Hiroshi Igarashi | Soundproof material for building construction |
| CN2718106Y (en) * | 2004-06-21 | 2005-08-17 | 叶志武 | Acoustic metal composite panel |
| JP2008144580A (en) * | 2007-12-17 | 2008-06-26 | Kobe Steel Ltd | Soundproofing panel |
| KR20100042703A (en) * | 2008-10-17 | 2010-04-27 | 강민하 | Soundproof panel having sound absorbing bar and sound wall using the soundproof panel |
| CN102296716A (en) * | 2011-09-06 | 2011-12-28 | 周国柱 | Total reflection sound insulation structure |
| CN206174358U (en) * | 2016-03-23 | 2017-05-17 | 文登蓝岛建筑工程有限公司 | Thermal insulation type composite board |
| CN206722204U (en) * | 2017-05-24 | 2017-12-08 | 朱丕洪 | NEW TYPE OF COMPOSITE wall and floor board |
| CN107574963A (en) * | 2017-10-30 | 2018-01-12 | 山东明珠材料科技有限公司 | A kind of compound thin aluminum sheet with high intensity |
-
2019
- 2019-12-10 CN CN201911262117.6A patent/CN110924546A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19502378A1 (en) * | 1994-08-10 | 1996-02-15 | Gefinex Jackon Gmbh | Acoustic insulation plate |
| JPH10152908A (en) * | 1996-11-20 | 1998-06-09 | Hiroshi Igarashi | Soundproof material for building construction |
| CN2718106Y (en) * | 2004-06-21 | 2005-08-17 | 叶志武 | Acoustic metal composite panel |
| JP2008144580A (en) * | 2007-12-17 | 2008-06-26 | Kobe Steel Ltd | Soundproofing panel |
| KR20100042703A (en) * | 2008-10-17 | 2010-04-27 | 강민하 | Soundproof panel having sound absorbing bar and sound wall using the soundproof panel |
| CN102296716A (en) * | 2011-09-06 | 2011-12-28 | 周国柱 | Total reflection sound insulation structure |
| CN206174358U (en) * | 2016-03-23 | 2017-05-17 | 文登蓝岛建筑工程有限公司 | Thermal insulation type composite board |
| CN206722204U (en) * | 2017-05-24 | 2017-12-08 | 朱丕洪 | NEW TYPE OF COMPOSITE wall and floor board |
| CN107574963A (en) * | 2017-10-30 | 2018-01-12 | 山东明珠材料科技有限公司 | A kind of compound thin aluminum sheet with high intensity |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775067A (en) * | 2021-10-25 | 2021-12-10 | 广州新静界声学科技股份有限公司 | Composite sound absorption assembly with enhanced low frequency absorption |
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Inventor after: Liu Chunchuan Inventor after: Zhang Chunbao Inventor after: Lin Zhuang Inventor after: Wu Linzhi Inventor after: Wang Peng Inventor before: Liu Chunchuan Inventor before: Zhang Chunbao Inventor before: Wang Peng |