CN110629896A - Selective one-way sound insulation wall based on house building - Google Patents
Selective one-way sound insulation wall based on house building Download PDFInfo
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- CN110629896A CN110629896A CN201910898134.2A CN201910898134A CN110629896A CN 110629896 A CN110629896 A CN 110629896A CN 201910898134 A CN201910898134 A CN 201910898134A CN 110629896 A CN110629896 A CN 110629896A
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- 238000009413 insulation Methods 0.000 title claims abstract description 59
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 24
- 239000002131 composite material Substances 0.000 claims description 10
- 229920000742 Cotton Polymers 0.000 claims description 8
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 229920002530 polyetherether ketone Polymers 0.000 claims description 7
- 229920002635 polyurethane Polymers 0.000 claims description 7
- 239000004814 polyurethane Substances 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 9
- 230000000694 effects Effects 0.000 abstract description 22
- 230000005540 biological transmission Effects 0.000 abstract description 15
- 230000000903 blocking effect Effects 0.000 abstract description 14
- 230000002829 reductive effect Effects 0.000 abstract description 13
- 230000002159 abnormal effect Effects 0.000 abstract description 12
- 230000008859 change Effects 0.000 abstract description 8
- 238000009435 building construction Methods 0.000 abstract 1
- 206010066054 Dysmorphism Diseases 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 4
- 230000003313 weakening effect Effects 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000000644 propagated effect Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001743 silencing effect Effects 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Classifications
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- 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
-
- 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
-
- 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
- E04B1/8404—Sound-absorbing elements block-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
- 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
- E04B2001/8263—Mounting of acoustical elements on supporting structure, e.g. framework or wall surface
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- 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
- E04B2001/8428—Tray or frame type panels or blocks, with or without acoustical filling containing specially shaped acoustical bodies, e.g. funnels, egg-crates, fanfolds
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- 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
- E04B2001/8476—Solid slabs or blocks with acoustical cavities, with or without acoustical filling
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a selective one-way sound insulation wall based on a residential building, which belongs to the field of building construction, and comprises an inner wall body and an outer wall body, wherein a pair of reinforcing plates are arranged between the inner wall body and the outer wall body, a sound insulation plate is arranged between the pair of reinforcing plates, a plurality of sound changing through holes are drilled in a first one-way sound changing plate and a second one-way sound changing plate, sound changing components are arranged in the sound changing through holes, different indoor and outdoor sound insulation effects are realized by using simple arrangement of the first one-way sound changing plate and the second one-way sound changing plate, the sound pressure is used for changing the positions of the sound changing components in the sound changing through holes, the effect of one-way blocking sound transmission is achieved, and the noise reaching the indoor is effectively reduced; external sound propagates from the space between change sound subassembly and the change sound through-hole inner wall, to the sound source that the size is the same, compares in the indoor sound that spreads, and it spreads outdoor sound bigger, and the people of being convenient for learn indoor abnormal conditions from the external world.
Description
Technical Field
The invention relates to the field of house buildings, in particular to a selective one-way sound insulation wall based on a house building.
Background
The sound insulation wall is mainly used for sound insulation and noise reduction in traffic municipal facilities such as highways, overhead composite roads, urban light rails, subways and the like, and controlling the influence of traffic noise on nearby urban areas, and can also be used for sound insulation and noise reduction of factories and other noise sources. The sound insulation device is divided into a reflection type sound barrier for pure sound insulation and a composite type sound barrier for combining sound absorption and sound insulation, and the composite type sound barrier is more effective in sound insulation. Most sound barriers adopt a sound absorption and insulation mixed type product, and the product is characterized in that the generation and transmission characteristics of road noise are controlled in a targeted manner.
With the further advance of scientific and technological activation, people have gradually higher requirements on the sound insulation effect of the permanent house buildings. In the past, the sound insulation device on the market generally directly sets up in the middle of the wall body in the cavity realize syllable-dividing, still included directly with bolt or screw binding fossil fragments between interior wall and outer wall in this kind of sound insulation device, fossil fragments generally are metal material, sound wave transmission speed is very fast, the installation of bolt and screw probably makes the syllable-dividing effect variation of this wall body, simultaneously, the sound wave is through vibration propagation, long-time weak vibration, can make the fixed effect variation of sound insulation device in the cavity, or make the fixed effect variation of whole wall body, so stable and the better acoustic celotex board of sound insulation effect appears gradually on the market.
But ordinary acoustic celotex board among the prior art makes indoor outer syllable-dividing effect the same, can not satisfy the user and give sound insulation needs, just at present, the one-way sound insulation wall body technique among the prior art is not mature enough, and the cost is higher.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a selective one-way sound insulation wall based on a residential building, when the external sound is too loud, the sound pressure sequentially acts on a second one-way sound insulation plate, a sound insulation plate and a first one-way sound insulation plate from front to back, the sound pressure is utilized to change the sound insulation assembly at the position of a sound insulation through hole, the effect of one-way blocking sound transmission is achieved, and the noise reaching the indoor is effectively reduced; in addition, when indoor sound is too big, the sound pressure from the past acts on first one-way abatvoix, acoustic celotex board and the one-way abatvoix of second in proper order after to, and sound is propagated from the space between abatvoix subassembly and the abatvoix through-hole inner wall, and to the sound source that the size is the same, compare in indoor afferent sound, it spreads outdoor sound bigger, and the people of being convenient for learn indoor abnormal conditions from the external world.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A selective one-way sound insulation wall based on a residential building comprises an inner wall body and an outer wall body, wherein a pair of reinforcing plates are arranged between the inner wall body and the outer wall body and fixedly connected with the inner wall body and the outer wall body respectively, a sound insulation plate is arranged between the reinforcing plates, a first one-way sound changing plate and a second one-way sound changing plate are arranged on the left side and the right side of the sound insulation plate respectively and fixedly connected with the reinforcing plates respectively, a plurality of sound changing through holes are drilled in the first one-way sound changing plate and the second one-way sound changing plate respectively and uniformly distributed on the first one-way sound changing plate and the second one-way sound changing plate, a sound changing assembly is arranged in each sound changing through hole, when external sound pressure is too large, the sound from the front to the back sequentially acts on the second one-way sound changing plate, the sound insulation plate and the first one-way sound changing plate, and the sound changing assembly is changed in the position of the sound changing through holes by utilizing sound pressure, the effect of blocking sound transmission in one way is achieved, and the noise reaching the indoor space is effectively reduced; in addition, when indoor sound is too big, the sound pressure from the past acts on first one-way abatvoix, acoustic celotex board and the one-way abatvoix of second in proper order after to, and sound is propagated from the space between abatvoix subassembly and the abatvoix through-hole inner wall, and to the sound source that the size is the same, compare in indoor afferent sound, it spreads outdoor sound bigger, and the people of being convenient for learn indoor abnormal conditions from the external world.
Furthermore, the sound changing assembly comprises a special-shaped block, a fixing plate and elastic strands, the fixing plate is connected to an orifice at one side, close to the inner wall body, of the sound changing through hole, the special-shaped block is located at one side, far away from the inner wall body, of the fixing plate, and the elastic strands are fixedly connected between the special-shaped block and the fixing plate; the orifices on the left side and the right side of the sound changing through hole are a mute orifice and a public address orifice respectively, the caliber of the mute orifice is smaller than that of the public address orifice, and the fixed plate and the special-shaped plugging block are matched with the mute orifice and the public address orifice respectively; when external sound is too loud, sound pressure sequentially acts on the special-shaped blocking block on the second unidirectional sound-changing plate, the sound-insulating plate and the special-shaped blocking block on the first unidirectional sound-changing plate from front to back, the special-shaped blocking block moves from the sound amplifying port to the weak sound port after being acted by the sound pressure until the special-shaped blocking block is attached to the inner wall of the sound-changing through hole, so that the first unidirectional sound-changing plate and the second unidirectional sound-changing plate are locally sealed, sound transmission is hindered, and noise reaching the indoor is effectively reduced; when the indoor sound is too loud, such as the abnormal explosion condition of an indoor electrical appliance, the sound pressure sequentially acts on the special-shaped blocking block on the first one-way sound-changing plate, the sound-insulating plate and the special-shaped blocking block on the second one-way sound-changing plate from front to back, the sound is transmitted from a gap between the special-shaped blocking block and the inner wall of the sound-changing through hole, and compared with the sound transmitted indoors, the sound transmitted outdoors is larger for the sound sources with the same size, so that people can know the indoor abnormal condition from the outside conveniently; when indoor production bigger sound, the acoustic pressure acts on special-shaped sprue for special-shaped sprue and acoustic celotex board and reinforcing plate surface contact, the space between special-shaped sprue and the change sound through-hole inner wall becomes bigger this moment, and it is more obvious to spread into outdoor sound into.
Furthermore, the internal diameter of the sound-changing through hole is gradually enlarged from left to right, so that the special-shaped plugging block can smoothly move along the inner wall of the sound-changing through hole after being acted by sound pressure until the special-shaped plugging block is attached to the inner wall of the sound-changing through hole, the first one-way sound-changing plate and the second one-way sound-changing plate are locally sealed, and sound propagation is blocked.
Further, fixedly connected with polyurethane gasket between fixed plate and the mute mouth inner wall makes things convenient for being connected between fixed plate and the mute mouth inner wall on the one hand, and on the other hand, polyurethane gasket can play the effect of weakening vibration.
Furthermore, the cross section of the sound changing through hole is triangular, the stability of the triangle is utilized to ensure the overall strength of the first unidirectional sound changing plate and the second unidirectional sound changing plate, and the first unidirectional sound changing plate and the second unidirectional sound changing plate can play a certain bearing role.
Furthermore, the special-shaped block is hollow inside, the inside of the special-shaped block is set to be vacuum, the special-shaped block is lightened to the greatest extent, sound pressure can act on the special-shaped block conveniently and generates thrust to the special-shaped block, a cavity is formed in the sound insulation plate, the inside of the cavity is set to be vacuum, sound cannot be transmitted in vacuum, and the penetrating power of noise can be effectively reduced; on the other hand, the grooves and the surfaces of the first unidirectional sound-changing plate and the second unidirectional sound-changing plate form cavities, so that sound transmission can be weakened.
Furthermore, the parts of the sound insulation plate and the reinforcing plate, which are in contact with the sound changing assembly, are coated with the polyether-ether-ketone composite coating, and when the special-shaped plugging block is in contact with the sound insulation plate and the reinforcing plate, the polyether-ether-ketone composite coating can play a silencing effect.
Furthermore, the special-shaped plugging block is formed by compressing sound-absorbing cotton, the sound-absorbing cotton material has a good sound-absorbing effect, the density of the compressed special-shaped plugging block is reduced, and the special-shaped plugging block has better strength and can play a certain sound-insulating role.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the scheme realizes different indoor and outdoor sound insulation effects by using simple first one-way sound changing plates and second one-way sound changing plates, changes the sound changing assembly at the position of the sound changing through hole by using sound pressure, achieves the effect of one-way blocking sound transmission, and effectively reduces the noise reaching the indoor space; external sound propagates from the space between change sound subassembly and the change sound through-hole inner wall, to the sound source that the size is the same, compares in the indoor sound that spreads, and it spreads outdoor sound bigger, and the people of being convenient for learn indoor abnormal conditions from the external world.
(2) The internal diameter of the pitch-changing through hole is gradually enlarged from left to right, and the special-shaped plugging block can smoothly move along the inner wall of the pitch-changing through hole after being acted by sound pressure until the special-shaped plugging block is attached to the inner wall of the pitch-changing through hole, so that the first unidirectional pitch-changing plate and the second unidirectional pitch-changing plate are locally sealed to block sound propagation.
(3) Fixedly connected with polyurethane gasket between fixed plate and the mute mouth inner wall makes things convenient for being connected between fixed plate and the mute mouth inner wall on the one hand, and on the other hand, polyurethane gasket can play the effect of weakening vibration.
(4) The cross-section of the pitch through hole is triangular, and the stability of the triangle is utilized to ensure the overall strength of the first unidirectional pitch plate and the second unidirectional pitch plate, so that the first unidirectional pitch plate and the second unidirectional pitch plate can play a certain bearing role.
(5) The special-shaped plugging block is hollow inside, the inside of the special-shaped plugging block is set to be vacuum, the special-shaped plugging block is lightened to the greatest extent, sound pressure can conveniently act on the special-shaped plugging block and generate thrust to the special-shaped plugging block, a cavity is arranged inside the sound insulating plate, the inside of the cavity is set to be vacuum, sound cannot be transmitted in vacuum, the penetrating power of noise can be effectively reduced, a plurality of grooves are formed in the left side end and the right side end of the sound insulating plate, and the grooves and the sound changing through holes are distributed at intervals, on one hand, the surfaces of the sound insulating plate form a honeycomb shape due to the arrangement of the grooves, and; on the other hand, the grooves and the surfaces of the first unidirectional sound-changing plate and the second unidirectional sound-changing plate form cavities, so that sound transmission can be weakened.
(6) The parts of the sound insulation plate and the reinforcing plate, which are in contact with the sound changing assembly, are coated with the polyether-ether-ketone composite coating, and when the special-shaped plugging block is in contact with the sound insulation plate and the reinforcing plate, the polyether-ether-ketone composite coating can play a silencing effect.
(7) The special-shaped plugging block is formed by compressing sound-absorbing cotton, the sound-absorbing cotton material has a good sound-absorbing effect, the density of the compressed special-shaped plugging block is reduced, and the special-shaped plugging block has good strength and can play a certain sound-insulating role.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic cross-sectional view of the baffle of the present invention;
fig. 3 is a perspective view at the first unidirectional sound-changing plate of the present invention;
FIG. 4 is a perspective view of the present invention with the shift assembly removed and at the location of the first unidirectional shift plate;
fig. 5 is a perspective view of the present invention at the first unidirectional sound-changing plate and the second unidirectional sound-changing plate with the sound-changing assembly removed;
FIG. 6 is a perspective view of the inflexion assembly of the present invention;
fig. 7 is a partial perspective view of the shaped block of the present invention;
FIG. 8 is a schematic structural view of the outdoor sound transmission state of the present invention;
fig. 9 is a schematic structural view of the indoor sound transmission state of the present invention.
The reference numbers in the figures illustrate:
1 inner wall body, 2 outer wall bodies, 3 reinforcing plates, 4 sound insulation plates, 41 grooves, 5 first unidirectional sound changing plates, 6 second unidirectional sound changing plates, 7 sound changing assemblies, 71 special-shaped plugs, 72 fixing plates, 73 elastic thread lines, 8 sound changing through holes, 81 sound amplifying ports and 82 mute ports.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, a selective unidirectional sound insulation wall based on a residential building comprises an inner wall body 1 and an outer wall body 2, a pair of reinforcing plates 3 is arranged between the inner wall body 1 and the outer wall body 2, the reinforcing plates 3 are fixedly connected with the inner wall body 1 and the outer wall body 2 respectively, a sound insulation plate 4 is arranged between the reinforcing plates 3, a first unidirectional sound changing plate 5 and a second unidirectional sound changing plate 6 are arranged on the left side and the right side of the sound insulation plate 4 respectively, the first unidirectional sound changing plate 5 and the second unidirectional sound changing plate 6 are fixedly connected with the reinforcing plates 3, referring to fig. 3, a plurality of sound changing through holes 8 are drilled in the first unidirectional sound changing plate 5 and the second unidirectional sound changing plate 6, the sound changing through holes 8 are uniformly distributed on the first unidirectional sound changing plate 5 and the second unidirectional sound changing plate 6, referring to fig. 4, sound changing assemblies 7 are arranged in the sound changing through holes 8, and when external sound is too large, sound from the front to the rear sequentially acts on the second unidirectional sound changing plate 6, The sound insulation plate 4 and the first unidirectional sound changing plate 5 change the position of the sound changing component 7 in the sound changing through hole 8 by utilizing sound pressure, so that the effect of unidirectionally blocking sound transmission is achieved, and the noise reaching the indoor is effectively reduced; in addition, when indoor sound is too big, the sound pressure from the past acts on first one-way abatvoix 5, acoustic celotex board 4 and second one-way abatvoix 6 after to in proper order, and sound is propagated from the space between abatvoix subassembly 7 and the abatvoix through-hole 8 inner wall, and to the sound source that the size is the same, compare in indoor incoming sound, it is bigger that it spreads outdoor sound, and the people of being convenient for learn indoor abnormal conditions from the external world.
Referring to fig. 6, the sound-changing assembly 7 includes a special-shaped block 71, a fixing plate 72 and an elastic thread 73, the fixing plate 72 is connected to the sound-changing through hole 8 near the opening of one side of the inner wall 1, the special-shaped block 71 is located on the side of the fixing plate 72 far from the inner wall 1, and the elastic thread 73 is fixedly connected between the special-shaped block 71 and the fixing plate 72; referring to fig. 5, the orifices on the left and right sides of the sound-changing through hole 8 are a mute orifice 82 and a public address orifice 81, respectively, the aperture of the mute orifice 82 is smaller than the aperture of the public address orifice 81, and the fixing plate 72 and the special-shaped block 71 are matched with the mute orifice 82 and the public address orifice 81, respectively; referring to fig. 8, when external sound is too loud, sound pressure sequentially acts on the irregular-shaped block 71 on the second unidirectional sound-changing plate 6, the sound-insulating plate 4 and the irregular-shaped block 71 on the first unidirectional sound-changing plate 5 from front to back, and the irregular-shaped block 71 moves from the sound amplifying port 81 to the sound weakening port 82 after being acted by the sound pressure until the irregular-shaped block 71 is attached to the inner wall of the sound-changing through hole 8, so that the first unidirectional sound-changing plate 5 and the second unidirectional sound-changing plate 6 are locally sealed, sound transmission is blocked, and noise reaching the indoor space is effectively reduced; referring to fig. 9, when the indoor sound is too loud, such as an abnormal explosion condition of an indoor electrical appliance, the sound pressure sequentially acts on the irregular-shaped block 71 on the first unidirectional sound-changing plate 5, the sound-insulating plate 4 and the irregular-shaped block 71 on the second unidirectional sound-changing plate 6 from front to back, the sound is transmitted from the gap between the irregular-shaped block 71 and the inner wall of the sound-changing through hole 8, and for sound sources with the same size, compared with the sound transmitted indoors, the sound transmitted outdoors is larger, so that people can know the indoor abnormal condition from the outside; when the indoor bigger sound that produces, acoustic pressure acts on dysmorphism sprue 71 for dysmorphism sprue 71 and acoustic celotex board 4 and reinforcing plate 3 surface contact, the space between dysmorphism sprue 71 and the 8 inner walls of amortization through-holes becomes bigger this moment, and the sound of spreading into outdoors is more obvious.
The inner diameter of the sound changing through hole 8 is gradually enlarged from left to right, and the special-shaped blocking block 71 can smoothly move along the inner wall of the sound changing through hole 8 after being acted by sound pressure until the special-shaped blocking block 71 is attached to the inner wall of the sound changing through hole 8, so that the first unidirectional sound changing plate 5 and the second unidirectional sound changing plate 6 are locally sealed, and sound propagation is blocked.
Fixedly connected with polyurethane gasket between fixed plate 72 and the mute mouth 82 inner wall makes things convenient for being connected between fixed plate 72 and the mute mouth 82 inner wall on the one hand, and on the other hand, the polyurethane gasket can play the effect of weakening the vibration.
The cross section of the sound changing through hole 8 is triangular, and the stability of the triangle is utilized to ensure the overall strength of the first unidirectional sound changing plate 5 and the second unidirectional sound changing plate 6, so that the first unidirectional sound changing plate 5 and the second unidirectional sound changing plate 6 can play a certain bearing role.
Referring to fig. 7, the special-shaped block 71 is hollow inside, and the inside of the special-shaped block 71 is set to be vacuum, so that the special-shaped block 71 is lightened to the greatest extent, and the sound pressure acts on the special-shaped block 71 and generates thrust to the special-shaped block 71, a cavity is formed inside the baffle 4, and the inside of the cavity is set to be vacuum, so that sound cannot be transmitted in vacuum, and the penetrating power of noise can be effectively reduced; on the other hand, the recess 41 forms a cavity with the surfaces of the first unidirectional sound-changing plate 5 and the second unidirectional sound-changing plate 6, and the transmission of sound can be weakened.
The parts of the sound insulation plate 4 and the reinforcing plate 3, which are in contact with the sound changing assembly 7, are coated with the polyether-ether-ketone composite coating, and when the special-shaped block 71 is in contact with the sound insulation plate 4 and the reinforcing plate 3, the polyether-ether-ketone composite coating can play a role in silencing.
The special-shaped plugging block 71 is formed by compressing sound-absorbing cotton, the sound-absorbing cotton is made of a sound-absorbing material and has a good sound-absorbing effect, the density of the compressed sound-absorbing cotton is reduced, and the special-shaped plugging block has good strength and can play a certain sound-insulating role.
Compared with the common sound insulation wall in the prior art, the unidirectional sound insulation wall in the application can realize different indoor and outdoor sound insulation effects by utilizing the simple arrangement of the first unidirectional sound insulation plate 5 and the second unidirectional sound insulation plate 6 except that the sound insulation plate 4 has the common sound insulation effect, please refer to fig. 8, when the external sound is too large, the sound pressure sequentially acts on the special-shaped block 71 on the second unidirectional sound insulation plate 6, the sound insulation plate 4 and the special-shaped block 71 on the first unidirectional sound insulation plate 5 from front to back, and the special-shaped block 71 moves from the sound amplifying port 81 to the weak sound port 82 after being acted by the sound pressure until the special-shaped block 71 is attached to the inner wall of the sound insulation through hole 8, so that the first unidirectional sound insulation plate 5 and the second unidirectional sound insulation plate 6 are locally sealed, the sound transmission is blocked, and the noise reaching the indoor is effectively reduced; referring to fig. 9, when the indoor sound is too loud, such as an abnormal explosion condition of an indoor electrical appliance, the sound pressure sequentially acts on the irregular-shaped block 71 on the first unidirectional sound-changing plate 5, the sound-insulating plate 4 and the irregular-shaped block 71 on the second unidirectional sound-changing plate 6 from front to back, the sound is transmitted from the gap between the irregular-shaped block 71 and the inner wall of the sound-changing through hole 8, and for sound sources with the same size, compared with the sound transmitted indoors, the sound transmitted outdoors is larger, so that people can know the indoor abnormal condition from the outside; when indoor production is bigger sound, the acoustic pressure acts on dysmorphism sprue 71 for dysmorphism sprue 71 and acoustic celotex board 4 and reinforcing plate 3 surface contact, the space between dysmorphism sprue 71 and the 8 inner walls of pitch change through-hole becomes bigger this moment, and it is more obvious to spread into outdoor sound into, and the people of being convenient for learn indoor abnormal conditions from the external world.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides a one-way syllable-dividing wall of selectivity based on house building lives, includes interior wall body (1) and outer wall body (2), its characterized in that: be equipped with a pair of reinforcing plate (3) between interior wall body (1) and outer wall body (2), and a pair of reinforcing plate (3) respectively with interior wall body (1) and outer wall body (2) fixed connection, it is a pair of be equipped with acoustic celotex board (4) between reinforcing plate (3).
2. A selective unidirectional acoustic wall based on a permanent housing construction as claimed in claim 1, wherein: the left side and the right side of the sound insulation board (4) are respectively provided with a first unidirectional sound changing board (5) and a second unidirectional sound changing board (6), the first unidirectional sound changing board (5) and the second unidirectional sound changing board (6) are fixedly connected with the reinforcing board (3), a plurality of sound changing through holes (8) are drilled in the first unidirectional sound changing board (5) and the second unidirectional sound changing board (6), the sound changing through holes (8) are uniformly distributed on the first unidirectional sound changing board (5) and the second unidirectional sound changing board (6), and sound changing assemblies (7) are arranged in the sound changing through holes (8);
the sound changing assembly (7) comprises a special-shaped block (71), a fixing plate (72) and an elastic thread (73), the fixing plate (72) is connected to a hole at one side, close to the inner wall body (1), of the sound changing through hole (8), the special-shaped block (71) is located at one side, far away from the inner wall body (1), of the fixing plate (72), and the elastic thread (73) is fixedly connected between the special-shaped block (71) and the fixing plate (72).
3. A selective unidirectional acoustic wall based on a permanent house construction according to claim 1 or 2, characterized in that: the drill way of the left side and the right side of the sound changing through hole (8) is a mute port (82) and a public address port (81), the caliber of the mute port (82) is smaller than that of the public address port (81), and the fixing plate (72) and the special-shaped plugging block (71) are matched with the mute port (82) and the public address port (81) respectively.
4. A selective unidirectional acoustic wall based on a permanent house construction according to claim 3, wherein: the inner diameter of the sound-changing through hole (8) is gradually enlarged from left to right.
5. A selective unidirectional acoustic wall based on a permanent house construction according to claim 3, wherein: and a polyurethane gasket is fixedly connected between the fixing plate (72) and the inner wall of the mute port (82).
6. A selective unidirectional acoustic wall based on a permanent house construction according to claim 3, wherein: the special-shaped plugging block (71) is hollow inside, and the inside of the special-shaped plugging block (71) is set to be vacuum.
7. A selective unidirectional acoustic wall based on a permanent housing construction as claimed in claim 1, wherein: the section of the sound changing through hole (8) is triangular.
8. A selective unidirectional acoustic wall based on a permanent housing construction as claimed in claim 1, wherein: the inside cavity that is equipped with of acoustic celotex board (4), and the inside vacuum that sets to of cavity, both sides end is all dug a plurality of recesses (41) about acoustic celotex board (4), and a plurality of recesses (41) and pitch-changing through-hole (8) interval distribution.
9. A selective unidirectional acoustic wall based on a permanent housing construction as claimed in claim 1, wherein: the parts of the sound insulation plate (4) and the reinforcing plate (3) which are in contact with the sound changing assembly (7) are coated with polyether-ether-ketone composite coatings.
10. A selective unidirectional acoustic wall based on a permanent house construction according to claim 2, wherein: the special-shaped plugging block (71) is formed by compressing sound-absorbing cotton.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011227071.7A CN112359995A (en) | 2019-09-23 | 2019-09-23 | Selective one-way sound insulation wall based on house building |
| CN201910898134.2A CN110629896B (en) | 2019-09-23 | 2019-09-23 | Selective one-way sound insulation wall based on house building |
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| CN201910898134.2A CN110629896B (en) | 2019-09-23 | 2019-09-23 | Selective one-way sound insulation wall based on house building |
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| CN202011227071.7A Division CN112359995A (en) | 2019-09-23 | 2019-09-23 | Selective one-way sound insulation wall based on house building |
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| CN110629896B CN110629896B (en) | 2020-12-25 |
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| CN201910898134.2A Active CN110629896B (en) | 2019-09-23 | 2019-09-23 | Selective one-way sound insulation wall based on house building |
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Cited By (1)
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|---|---|---|---|---|
| CN110820975A (en) * | 2019-11-19 | 2020-02-21 | 杭州智仁信息科技有限公司 | One-way silencing wall filling material |
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| CN112359995A (en) | 2021-02-12 |
| CN110629896B (en) | 2020-12-25 |
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