CN108999304B - Outdoor sound absorber and outdoor sound absorbing wall - Google Patents
Outdoor sound absorber and outdoor sound absorbing wall Download PDFInfo
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- CN108999304B CN108999304B CN201810916778.5A CN201810916778A CN108999304B CN 108999304 B CN108999304 B CN 108999304B CN 201810916778 A CN201810916778 A CN 201810916778A CN 108999304 B CN108999304 B CN 108999304B
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 19
- 238000010521 absorption reaction Methods 0.000 claims abstract description 54
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 239000012634 fragment Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 15
- 230000009467 reduction Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000008030 elimination Effects 0.000 description 6
- 238000003379 elimination reaction Methods 0.000 description 6
- 230000003584 silencer Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000030279 gene silencing Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
Images
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
- 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
- E04B1/84—Sound-absorbing elements
- E04B2001/8414—Sound-absorbing elements with non-planar face, e.g. curved, egg-crate shaped
- E04B2001/8419—Acoustical cones or the like, e.g. for anechoic chambers
-
- 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
-
- 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
- E04B2001/8438—Slot shaped holes
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention relates to the field of noise reduction equipment, aims to solve the problem that the effect is not obvious enough when a louvered muffler is mainly adopted for outdoor wall noise reduction in the prior art, and provides an outdoor sound absorber and an outdoor sound absorbing wall, wherein the outdoor sound absorber comprises a sound absorbing shell, a sound absorbing medium and a sound guide plate; the sound-absorbing shell is cuboid; the sound-absorbing shell is provided with an accommodating cavity, and one side of the accommodating cavity is provided with an opening; the sound absorption medium comprises a plurality of sound absorption balls distributed in the accommodating cavity in an array mode, and a plurality of sound absorption holes are densely distributed on the peripheral surface of each sound absorption ball; the sound guide plate is provided with a sound guide hole, and the sound guide plate is arranged at the opening and seals the sound absorption medium. Beneficial effect, the noise is constantly set up in the all-round three-dimensional absorption of sound absorbing ball's sound absorbing hole through the in-process that the sound guide hole got into and holds the chamber, and the sound absorbing effect is showing, and noise reduction is better.
Description
Technical Field
The invention relates to the field of noise reduction equipment, in particular to an outdoor sound absorber and an outdoor sound absorbing wall.
Background
The silencing louver is also called as a louvered silencer or a silencing louver. The general noise elimination volume of tripe formula silencer is 5 ~ 15dB (A), and noise elimination characteristic is middle-high frequency, and the noise elimination performance of tripe formula silencer mainly depends on factors such as the form of single tripe, tripe interval, installation angle and effective noise elimination length.
Therefore, it is necessary to design a muffler with a more significant muffling effect.
Disclosure of Invention
The invention aims to provide an outdoor sound absorber to solve the problem that the effect is not obvious enough when a louvered silencer is mainly adopted for reducing noise of an outdoor wall in the prior art.
Another object of the present invention is to provide an outdoor sound-absorbing wall including the outdoor sound absorber.
The embodiment of the invention is realized by the following steps:
embodiments of the present invention provide an outdoor sound absorber,
comprises a sound-absorbing shell, a sound-absorbing medium and a sound-conducting plate;
the sound-absorbing shell is cuboid; the sound-absorbing shell is provided with an accommodating cavity, and one side of the accommodating cavity is provided with an opening;
the sound absorption medium comprises a plurality of sound absorption balls distributed in the accommodating cavity in an array mode, and a plurality of sound absorption holes are densely distributed on the peripheral surface of each sound absorption ball;
the sound guide plate is provided with a sound guide hole, and the sound guide plate is arranged at the opening and seals the sound absorption medium.
The sound-absorbing shell is a cuboid, so that the sound-absorbing shell is convenient to design and install in the wall structure, and the integral integrity of the wall structure is ensured. The accommodating cavity is used for accommodating sound-absorbing media in an installing mode, and the noise elimination effect is improved; the sound absorption balls can fully cover the opening and can not easily absorb the noise introduced through the sound guide hole in a missing manner; the sound absorption holes are densely distributed on the peripheral surface of each sound absorption ball, noise in a three-dimensional space at the periphery of the sound absorption ball can be effectively absorbed, and the noise introduced through the sound guide holes can be comprehensively absorbed in the process of flowing through the sound absorption balls, so that the noise absorption effect is effectively improved; set up the abatvoix, can avoid noise air current backward flow to make the noise flow that flows into and hold the intracavity can be by abundant effective absorption, can avoid the rainwater to get into again and hold the intracavity.
In one implementation of this embodiment:
the sound absorption hole is bent and extended; the outer end of the sound absorption hole is arranged towards the center of the sound absorption ball, and the inner end of the sound absorption hole extends along the direction deviating from the center of the sound absorption ball.
In one implementation of this embodiment:
the aperture of the sound absorbing ball becomes smaller from the outer end to the inner end.
In one implementation of this embodiment:
the plurality of sound absorbing holes are divided into a plurality of annular array groups; the sound absorbing holes contained in each annular array group are distributed at intervals around the periphery of the vertical diameter shaft of the sound absorbing ball, and the plurality of annular array groups are distributed at intervals along the vertical diameter shaft.
In one implementation of this embodiment:
two adjacent sound absorption balls are connected through a connecting rod.
In one implementation of this embodiment:
the sound guide plate is provided with a plurality of sound guide strips, and the sound guide strips are distributed at intervals along the vertical direction of the sound guide plate; each sound guide bar is correspondingly provided with a row of sound absorbing balls;
each sound guiding strip is provided with a plurality of sound guiding holes communicated with the accommodating cavity.
In one implementation of this embodiment:
the top of the sound guide strip is provided with a rainproof wall which is arranged in a downward inclined manner;
the bottom of the sound guide strip is provided with a plurality of sound guide holes.
In one implementation of this embodiment:
a cut-off groove is formed in the outer side of the bottom of the sound guide strip;
the intercepting groove is extended along the transverse direction of the sound guide plate.
In one implementation of this embodiment:
the top of the sound guide strip is provided with a downward inclined surface, the bottom of the sound guide strip is provided with an upward inclined surface, and the section of the sound guide strip along the vertical direction of the sound guide plate is triangular;
the declination surface and the upwelling surface of the sound guide strip are provided with a plurality of sound guide holes.
An outdoor sound-absorbing wall comprises a wall structure provided with a mounting groove and an outdoor sound absorber;
the mounting groove is provided with fossil fragments, inhales the sound shell and inlays to locate the mounting groove and be connected with fossil fragments, opens the outside of mouthful towards wall structure.
The invention has the beneficial effects that:
outdoor sound ware of inhaling, the noise is constantly set up in the all-round three-dimensional absorption of sound absorption hole that inhales the sound ball through the in-process that the sound guide hole got into and holds the chamber, and the sound effect of inhaling is showing, and noise reduction is better.
The outdoor sound absorbing wall is provided with the wall structure of the outdoor sound absorber, noise can be absorbed in an all-round and three-dimensional mode, the noise transmitted to the indoor space is effectively reduced, and the noise reduction effect is better.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a first structure of an outdoor sound absorber according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of A in FIG. 1 according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a second structure of an outdoor sound absorber according to an embodiment of the present invention;
FIG. 4 is a partial enlarged view of B in FIG. 3 according to an embodiment of the present invention;
FIG. 5 is a front view of a sound-absorbing ball according to an embodiment of the present invention;
fig. 6 is a cross-sectional view a-a of fig. 5 according to an embodiment of the present invention.
Icon: 100-a sound absorbing enclosure; 101-a containment chamber; 110-open mouth; 200-a sound absorbing medium; 201-circular array group; 210-a sound absorbing ball; 211-vertical diametric shaft; 212-sound absorbing hole; 220-a connecting rod; 300-a sound conducting plate; 301-leading note; 311-rain wall; 312-cutting off the trench; 321-a declination surface; 322-upward inclined surface; 330-sound guide hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if 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 or the orientations or positional relationships that the products of the present invention are usually placed in when used, the terms are only used for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements indicated 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 appearances of the terms "first," "second," and the like in the description of the present invention are only used for distinguishing between the descriptions and are not intended to indicate or imply relative importance.
Furthermore, the terms "horizontal", "vertical" and the like when used in the description of the present invention do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; 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, refer to fig. 1 to 6.
Embodiments of the present invention provide an outdoor sound absorber,
as shown in fig. 1, includes a sound-absorbing casing 100, a sound-absorbing medium 200, and a sound guide plate 300;
the sound-absorbing casing 100 is a rectangular parallelepiped; the sound-absorbing casing 100 is provided with a containing cavity 101, and one side of the containing cavity 101 is provided with an opening 110;
the sound-absorbing medium 200 comprises a plurality of sound-absorbing balls 210 distributed in the accommodating cavity 101 in an array manner, and a plurality of sound-absorbing holes 212 are densely distributed on the circumferential surface of each sound-absorbing ball 210;
the sound guide plate 300 is provided with a sound guide hole 330, and the sound guide plate 300 is provided in the opening 110 and seals the sound absorbing medium 200.
The sound-absorbing shell 100 is a cuboid, so that the sound-absorbing shell can be conveniently designed and installed in a wall structure, and the integral integrity of the wall structure is guaranteed. The accommodating cavity 101 is used for installing and accommodating the sound-absorbing medium 200, so that the noise elimination effect is improved; a plurality of sound absorbing balls 210 capable of completely covering the opening port 110 and completely absorbing noise introduced through the sound guide hole 330 without being missed; the sound-absorbing holes 212 are densely distributed on the circumferential surface of each sound-absorbing ball 210, noise in the three-dimensional space at the periphery of the sound-absorbing ball 210 can be effectively absorbed, and noise introduced through the sound-guiding holes 330 can also be comprehensively absorbed in the process of flowing through the sound-absorbing balls 210, so that the noise absorption effect is effectively improved; the sound guide plate 300 is provided to prevent the noise air from flowing back, so that the noise air flowing into the accommodating chamber 101 can be effectively absorbed, and rainwater can be prevented from entering the accommodating chamber 101.
In one implementation of this embodiment:
as shown in fig. 1, two adjacent sound absorbing balls 210 are connected by a connecting rod 220.
The connecting rod 220 is used for facilitating the installation and connection among the plurality of sound absorption balls 210, enhancing the connection strength among the plurality of sound absorption balls 210 and prolonging the service life of the sound absorption medium 200.
In one implementation of this embodiment:
as shown in fig. 1, the sound guiding plate 300 is provided with a plurality of sound guiding strips 301, and the plurality of sound guiding strips 301 are distributed at intervals along the vertical direction of the sound guiding plate 300; each sound guide strip 301 is correspondingly provided with a row of sound absorption balls 210;
each sound leading bar 301 is provided with a plurality of sound leading holes 330 communicating with the accommodating chamber 101.
A plurality of sound conduction strips 301 are arranged side by side at intervals, can comprehensively cover the noise on one side of the sound conduction board 300, and ensure that the noise is comprehensively absorbed. Each sound guiding strip 301 is correspondingly provided with a row of sound absorbing balls 210, so that the noise flowing in through the sound guiding strips 301 can be fully and effectively absorbed.
In one implementation of this embodiment:
as shown in fig. 2, the top of the sound guiding bar 301 is provided with a rain-proof wall 311, and the rain-proof wall 311 is arranged in a downward inclination;
the bottom of the sound guiding strip 301 is provided with a plurality of sound guiding holes 330.
Rainwater can not flow into in holding chamber 101 through rain-proof wall 311 landing, prevents to hold chamber 101 internal ponding, influences the sound absorbing effect, can increase of service time simultaneously.
In one implementation of this embodiment:
as shown in fig. 2, the outer side of the bottom of sound-guiding bar 301 is provided with a cut-off groove 312;
the intercepting grooves 312 are provided extending in the lateral direction of the sound guiding plate 300.
In the process that the rain water slides down through the rain-proof wall 311, the water flowing back to the bottom of the sound guiding strip 301 through the end of the rain-proof wall 311 flows to the cut-off groove 312 to be cut off, so that the rain water is prevented from entering the accommodating cavity 101 through the sound guiding hole 330.
In one implementation of this embodiment:
as shown in fig. 3 and 4, the top of the sound guide bar 301 is provided with a downward inclined surface 321, the bottom of the sound guide bar 301 is provided with an upward inclined surface 322, and the section of the sound guide bar 301 along the vertical direction of the sound guide plate 300 is triangular;
the lower inclined surface 321 and the upper inclined surface 322 of the sound guide bar 301 are each provided with a plurality of sound guide holes 330.
Sound guide holes 330 are formed in the top and bottom of sound guide strip 301, so that noise can be absorbed from the periphery of sound guide strip 301 in all directions, and the sound absorption degree of outdoor noise is enhanced.
In one implementation of this embodiment:
as shown in fig. 5, the plurality of sound absorbing holes 212 are divided into a plurality of annular array groups 201; the sound absorption holes 212 contained in each annular array group 201 are distributed at intervals around the periphery of the vertical diameter shaft 211 of the sound absorption ball 210, and the plurality of annular array groups 201 are distributed at intervals along the vertical diameter shaft 211.
The number of sound absorbing holes 212 contained in each ring array set 201 is different, and is designed according to the size of the radius around which each ring array set 201 surrounds. The "vertical diameter shaft 211" is an axis line in which a diameter in a vertical direction in the sound-absorbing ball 210 is fictionally determined according to the setting direction of the sound-absorbing casing 100, and the vertical direction is parallel to the vertical direction of the sound-absorbing casing 100.
In one implementation of this embodiment:
as shown in fig. 5 and 6, the sound absorbing hole 212 extends in a curved shape; the outer end of the sound absorbing hole 212 is disposed toward the center of the sound absorbing ball 210, and the inner end of the sound absorbing hole 212 extends in a direction deviating from the center of the sound absorbing ball 210.
The sound absorbing holes 212 are curved and extended, so that the reflection action of the inner walls of the sound absorbing holes 212 on the noise air flowing into the sound absorbing holes 212 can be enhanced, the noise absorption action of the sound absorbing holes 212 can be enhanced, and the noise reduction effect of the sound absorbing medium 200 can be enhanced.
The center of the opening at the outer end of the sound absorbing hole 212 can be always connected with the center of the sound absorbing ball 210 through a radius, and the inner end of the sound absorbing hole 212 gradually deviates from the radius corresponding to the outer end and is bent and extended.
In one implementation of this embodiment:
as shown in fig. 6, the aperture of the sound-absorbing ball 210 becomes gradually smaller from the outer end to the inner end.
The aperture becomes small and the reflection frequency and intensity of the aperture against the noise flow are enhanced, so that the sound absorption effect of the sound absorption hole 212 is gradually enhanced from the outer end to the inner end until the noise is reduced, and the noise reduction effect of the sound absorption hole 212 is further enhanced.
The embodiment also provides an outdoor sound-absorbing wall which comprises a wall structure provided with the mounting groove and an outdoor sound absorber;
the mounting groove is provided with the fossil fragments, inhales sound shell 100 and inlays to locate the mounting groove and be connected with the fossil fragments, and open mouth 110 is towards the outside of wall structure.
The outdoor sound absorbing wall is provided with the wall structure of the outdoor sound absorber, noise can be absorbed in an all-round and three-dimensional mode, the noise transmitted to the indoor space is effectively reduced, and the noise reduction effect is better.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. An outdoor sound absorber, its characterized in that:
comprises a sound-absorbing shell, a sound-absorbing medium and a sound-conducting plate;
the sound-absorbing shell is cuboid; the sound-absorbing shell is provided with an accommodating cavity, and one side of the accommodating cavity is provided with an opening; the sound absorption medium comprises a plurality of sound absorption balls distributed in the accommodating cavity in an array mode, and a plurality of sound absorption holes are densely distributed on the peripheral surface of each sound absorption ball; the sound guide plate is provided with a sound guide hole, and the sound guide plate is arranged at the opening and seals the sound absorption medium;
the sound absorption hole is bent and extended; the outer end of the sound absorption hole is arranged towards the center of the sound absorption ball, and the inner end of the sound absorption hole extends along the direction deviating from the center of the sound absorption ball;
the aperture of the sound absorption ball is gradually reduced from the outer end to the inner end;
the sound absorption holes are divided into a plurality of annular array groups; the sound absorption holes contained in each annular array group are distributed at intervals around the periphery of the vertical diameter shaft of the sound absorption ball, and the plurality of annular array groups are distributed at intervals along the vertical diameter shaft;
the sound guide plate is provided with a plurality of sound guide strips, and the sound guide strips are distributed at intervals along the vertical direction of the sound guide plate; each sound guide strip is correspondingly provided with a row of sound absorption balls; each sound guide strip is provided with a plurality of sound guide holes communicated with the accommodating cavity;
the top of the sound guide strip is provided with a rainproof wall, and the rainproof wall is arranged in a downward inclined manner; the bottom of the sound guide strip is provided with a plurality of sound guide holes.
2. The outdoor sound absorber of claim 1, wherein:
two adjacent sound absorption balls are connected through a connecting rod.
3. The outdoor sound absorber of claim 1, wherein:
a cut-off groove is formed in the outer side of the bottom of the sound guide strip;
the intercepting groove extends along the transverse direction of the sound guide plate.
4. An outdoor sound absorbing wall, its characterized in that:
comprising a wall structure provided with an installation groove and the outdoor sound absorber of any one of claims 1 to 3;
the mounting groove is provided with fossil fragments, inhale the sound shell and inlay and locate the mounting groove and with fossil fragments are connected, open the mouth orientation wall body structure's the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810916778.5A CN108999304B (en) | 2018-08-13 | 2018-08-13 | Outdoor sound absorber and outdoor sound absorbing wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810916778.5A CN108999304B (en) | 2018-08-13 | 2018-08-13 | Outdoor sound absorber and outdoor sound absorbing wall |
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| CN108999304A CN108999304A (en) | 2018-12-14 |
| CN108999304B true CN108999304B (en) | 2020-07-31 |
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| CN201810916778.5A Active CN108999304B (en) | 2018-08-13 | 2018-08-13 | Outdoor sound absorber and outdoor sound absorbing wall |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110500762A (en) * | 2019-07-05 | 2019-11-26 | 青岛海信日立空调***有限公司 | A kind of noise reduction components and air-cooled ducted air conditioner for air-cooled ducted air conditioner |
| CN112726859B (en) * | 2020-12-28 | 2023-05-05 | 德州天工装饰工程有限责任公司 | Building noise insulation layer board |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2123564U (en) * | 1991-09-13 | 1992-12-02 | 王法源 | High-damped wide frequeney band sound absorption wall |
| CN204645298U (en) * | 2015-05-25 | 2015-09-16 | 常州国源包装有限公司 | Adopt sound wallboard |
| CN205313994U (en) * | 2015-11-02 | 2016-06-15 | 自贡市华尔美科技有限公司 | Soundproof wall |
| KR101641125B1 (en) * | 2015-12-23 | 2016-07-20 | 정영훈 | Capable of tilting variable frequency · waterproof sound absorption panels |
| CN206941867U (en) * | 2017-05-20 | 2018-01-30 | 吕旭 | A kind of sound insulation type construction wall |
| CN206928450U (en) * | 2017-07-01 | 2018-01-26 | 滁州职业技术学院 | A kind of sound insulating sheet material for building |
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