CN111749349A - Multi-curved surface sound absorption body - Google Patents

Multi-curved surface sound absorption body Download PDF

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Publication number
CN111749349A
CN111749349A CN202010709576.0A CN202010709576A CN111749349A CN 111749349 A CN111749349 A CN 111749349A CN 202010709576 A CN202010709576 A CN 202010709576A CN 111749349 A CN111749349 A CN 111749349A
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CN
China
Prior art keywords
sound
curved
plate
absorbing
smooth
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Pending
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CN202010709576.0A
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Chinese (zh)
Inventor
不公告发明人
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Guangzhou Xinjingjie Acoustic Engineering Materials Co ltd
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Guangzhou Xinjingjie Acoustic Engineering Materials Co ltd
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Priority to CN202010709576.0A priority Critical patent/CN111749349A/en
Publication of CN111749349A publication Critical patent/CN111749349A/en
Pending legal-status Critical Current

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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
    • E04B1/86—Sound-absorbing elements slab-shaped
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162—Selection of materials
    • 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
    • E04B2001/8254—Soundproof supporting of building elements, e.g. stairs, floor slabs or beams, on a structure

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  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Multimedia (AREA)
  • Building Environments (AREA)

Abstract

The invention relates to a multi-curved-surface sound absorption body.A support part comprises a pair of length direction frame plates, and a single or two length direction frame plates of the support part are arranged in a cambered surface structure or a non-smooth fluctuating structure or a smooth fluctuating structure in the width direction and/or the height direction; the sound absorption plate assembly is arranged on the lower surface of the support part or on the lower surface and the upper surface of the support part; the sound-absorbing plate component is in a cambered surface structure or a non-smooth fluctuating structure or a smooth fluctuating structure in the height direction; the multi-curved surface sound absorption body provided by the invention develops the utilization of each surface of the sound absorption body, so that each surface of the sound absorption body can generate the effects of sound absorption and sound diffusion; meanwhile, the fixed connection relation between the bracket part and the sound-absorbing board assembly is optimized, so that the production of the large-size multi-curved-surface sound-absorbing body is more convenient; convenient transportation, simple installation and repeated disassembly and assembly.

Description

Multi-curved surface sound absorption body
Technical Field
The invention belongs to the field of sound-absorbing body structures, and particularly relates to a multi-curved-surface sound-absorbing body.
Background
With the continuous development of economy, the pursuit degree of people for the specialization of living quality and entertainment is gradually improved. Professional facilities such as various theaters, venues and dance halls and professional rooms such as recording rooms and studios related to acoustics have corresponding requirements on acoustic technical indexes. Further, there is an increasing demand for creating a music appreciation environment in a home housing.
The traditional sound absorbing body structure only utilizes the lower surface to absorb sound or spread, is limited to absorbing sound and spreading effect, is a waste to the space, and the installation of the traditional sound absorbing body is more difficult simultaneously, especially relates to the furred ceiling type sound absorbing body of large size.
Disclosure of Invention
The present invention is directed to overcome the above problems in the prior art, and to provide a multi-curved sound-absorbing body.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a multi-curved surface sound absorption body comprises a support part and a sound absorption plate component. The support part comprises a pair of length direction frame plates, and one or two length direction frame plates of the support part are arranged in an arc surface structure or a non-smooth undulating structure or a smooth undulating structure in the width direction and/or the height direction; the sound-absorbing plate component is arranged on the lower surface of the support part or on the lower surface and the upper surface of the support part, and the sound-absorbing plate component is a strip seam sound-absorbing plate or a perforated sound-absorbing plate and other common sound-absorbing structures.
The sound-absorbing plate component is in a cambered surface structure or a non-smooth fluctuating structure or a smooth fluctuating structure in the height direction, and is directly or indirectly fixed on the frame plate in the length direction.
When the sound absorption plate component is arranged in a curved surface mode, sound diffusion effect can be generated while sound absorption is achieved. The support part is the fixed basis of sound-absorbing plate component, and the length direction frame plate is of an arc surface structure or a non-smooth fluctuating structure or a smooth fluctuating structure in the width direction and/or the height direction to generate a sound diffusion effect, so that the overall sound diffusion effect of the multi-curved-surface sound-absorbing body is increased. Especially, when a plurality of multi-curved surface sound absorbing bodies are arranged in a staggered manner in the height direction, the sound diffusion effect of the frame plate in the length direction is more remarkable. The non-smooth fluctuation structure comprises common shapes such as a broken line shape, a sawtooth shape and the like, and the smooth fluctuation structure is a wave shape with various shapes. During specific use, inhale the installation basis of sound body through a support portion conduct multi-curved surface, thereby hang up whole multi-curved surface and inhale the sound body through hanging a linking bridge portion, or thereby inhale the sound body and be fixed in the wall with whole multi-curved surface through installation fastener linking bridge portion.
The common sound diffusion shapes include wave shape, flat-head sawtooth shape, pointed-head sawtooth shape, round-head sawtooth shape and the like. According to the requirement of sound diffusion size, when the size of the frame plate in the length direction is large enough, a non-smooth undulating structure or a smooth undulating structure is adopted; when the size of the frame plate in the length direction is smaller, the frame plate is arranged in a cambered surface structure.
When the sound-absorbing plate component is arranged on the lower surface and the upper surface of the support part, the sound-absorbing plate component on the lower surface of the support part and the sound-absorbing plate component on the upper surface of the support part can be connected into a whole. The bracket portion now comprises only a pair of lengthwise frame plates and no widthwise frame. The sound absorption plate component with the shape is concise in appearance, can be horizontally suspended or vertically suspended, and is high in installation flexibility.
Preferably, in specific implementation, the support portion further includes a pair of width direction frame plates, the length direction frame plates and the width direction frame plates are connected with each other, the width direction frame plates are in an arc surface structure or a non-smooth undulating structure or a smooth undulating structure in the length direction and/or the height direction, and the sound-absorbing panel assembly is directly or indirectly fixed to the length direction frame plates or the width direction frame plates.
The frame plate in the width direction is of a cambered surface structure or a non-smooth undulating structure or a smooth undulating structure in the length direction and/or the height direction, so that the sound diffusion effect can be generated, and the overall sound diffusion effect of the multi-curved-surface sound absorption body is further improved.
According to the requirement of sound diffusion size, when the size of the frame plate in the width direction is large enough, a non-smooth undulating structure or a smooth undulating structure is adopted; when the size of the frame plate in the width direction is smaller, the frame plate is arranged in a cambered surface structure.
As an improvement of the multi-curved-surface sound absorbing body, the frame plate in the length direction is a perforated sound absorbing plate structure.
The length direction frame plate is of a perforated sound absorption plate structure, so that the length direction frame plate has a sound absorption effect besides a sound diffusion effect; meanwhile, the sound absorption performance of the frame plate in the length direction can be conveniently adjusted by selecting raw materials with different perforation rates.
As an improvement of the multi-curved-surface sound absorbing body, the frame plates in the length direction and/or the frame plates in the width direction are/is of a perforated sound absorbing plate structure.
The length direction frame plate and/or the width direction frame plate are of a perforated sound-absorbing plate structure, so that the length direction frame plate and/or the width direction frame plate have a sound-absorbing effect besides a sound diffusion effect; meanwhile, the sound absorption performance of the frame plate in the length direction and/or the frame plate in the width direction can be conveniently adjusted by selecting raw materials with different perforation rates.
Optionally in specific implementation, the sound-absorbing plate assembly is arranged on the lower surface of the support portion, a back sealing plate is arranged on the upper surface of the support portion, and the back sealing plate is a solid panel or a perforated sound-absorbing plate. In practice, a solid panel or perforated sound absorbing sheet is selected as the backing plate according to the sound absorbing performance requirement.
As an improvement of the multi-curved-surface sound absorption body, the back sealing plate is of a cambered surface structure or a non-smooth fluctuating structure or a smooth fluctuating structure in the height direction, so that the back sealing plate also has a sound diffusion effect.
Preferably, the sound absorbing plate assembly is a slit sound absorbing plate structure, the sound absorbing plate assembly includes a plurality of strips, the support portion includes a main structure keel, the plurality of strips are fixed to the main structure keel, the main structure keel is a structural foundation of the support portion, and the length direction frame plate and/or the width direction frame plate are connected to the main structure keel.
The sound-absorbing plate component is a strip seam sound-absorbing plate structure formed by combining a plurality of battens, the appearance and the performance of the strip seam sound-absorbing plate structure are all superior, and meanwhile, the sound-absorbing plate component is convenient to mount.
The battens are connected to the main structural runners by conventional means. The lath can be directly connected to the main structure keel through rivets or the like or the main structure keel is provided with bayonets for fixing the lath, and the lath is directly clamped on the main structure keel. Through increase main structure fossil fragments in the support portion, can improve the overall structure intensity of multi-curved surface sound-absorbing body. And the large-size multi-curved-surface sound absorption body can be realized by increasing the length of the main structure keel or the number of the main structure keel. The larger the size of the multi-curved sound absorbing body is, the larger the size of the curved surface on the multi-curved sound absorbing body is, and the lower limit sound frequency capable of being diffused is lower.
As the improvement of the multi-curved surface sound absorption body, the sound absorption plate assembly further comprises a plurality of lath keels, the plurality of laths are fixed on the lath keels, and the lath keels are connected with the main structure keels.
The lath is fixed on the main structure keel through the lath keel, so that the installation complexity is reduced. In practice, the entire panel assembly may be divided into a plurality of slotted panel modules comprising slats and slat runners, and the slotted panel modules are then mounted to the main structural runners.
In specific implementation, optionally, the batten comprises a plate body and a fixing leg portion arranged on the back surface of the plate body, the fixing leg portion is a single fixing leg, two fixing legs or three fixing legs, and the surface of the plate body is a plane, an arc-shaped arch surface, an arc-shaped concave surface, a corrugated surface, a convex edge surface or a concave edge surface; the cross section of the plate body is rectangular, trapezoidal, T-shaped, E-shaped, n-shaped, arched, C-shaped, D-shaped, B-shaped, circular, triangular or elliptical.
Optionally in the specific implementation, be equipped with in the sound is inhaled to many curved surfaces and inhale the sound piece, inhale the sound piece and be inhaling common sound absorbent such as sound cotton.
The multi-curved surface sound absorption body provided by the invention develops the utilization of each surface of the sound absorption body, so that each surface of the sound absorption body can generate sound absorption and diffusion effects; meanwhile, the fixed connection relation between the bracket part and the sound-absorbing board assembly is optimized, so that the production of the large-size multi-curved-surface sound-absorbing body is more convenient; convenient transportation, simple installation and repeated disassembly and assembly.
Drawings
FIG. 1 is a perspective view of a multi-curved sound-absorbing body according to example 1 of the present invention;
FIG. 2 is a schematic view of a bracket portion of a multi-curved sound-absorbing body according to example 1 of the present invention (with a part of the sound-absorbing plate assembly hidden);
FIG. 3 is a schematic view of a lengthwise frame plate on a multi-curved sound-absorbing body according to example 1 of the present invention;
FIG. 4 is a perspective view of a multi-curved sound absorber according to example 2 of the present invention;
FIG. 5 is a perspective view of a multi-curved sound absorber according to example 3 of the present invention;
FIG. 6 is a perspective view of a multi-curved sound absorber according to example 3 of the present invention;
FIG. 7 is a schematic perspective view (front view) of a multi-curved sound-absorbing body according to example 4 of the present invention;
FIG. 8 is a perspective view (back side) of a multi-curved sound-absorbing body according to example 4 of the present invention;
FIG. 9 is a schematic view of a multi-curved sound-absorbing body three-dimensional back cover according to example 4 of the present invention;
FIG. 10 is a schematic view of two multi-curved sound absorbers arranged side by side in example 4 of the present invention;
FIG. 11 is a schematic view of the attachment of the slats of embodiment 4 of the present invention to the main structural runner;
figure 12 is a schematic view of the attachment of the slats, slat runners and main structural runners according to example 5 of the present invention;
FIG. 13 is a perspective view (back side) of a multi-curved sound-absorbing body according to example 6 of the present invention;
FIG. 14 is a perspective view (front view) of a multi-curved sound-absorbing body according to example 6 of the present invention;
FIG. 15 is a schematic view showing the fixing of the lengthwise frame plates to the multi-curved sound-absorbing member in accordance with example 6 of the present invention;
reference numerals: the multi-curved-surface sound absorption body (100), the support part (1), the length direction frame plate (11), the width direction frame plate (12), the sound absorption plate component (2), the batten (20), the plate body (21), the fixed leg part (22), the main structure keel (3), the batten keel (4) are not drawn temporarily, and the back sealing plate (5)
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1-3, the multi-curved sound-absorbing body comprises a bracket part 1 and a sound-absorbing board assembly 2. The support part 1 comprises a pair of length direction frame plates 11, and the two length direction frame plates 11 of the support part 1 are arranged in a cambered surface structure in the width direction and the height direction; the sound-absorbing plate component 2 is arranged on the lower surface and the upper surface of the support part 1, the sound-absorbing plate component 2 is a strip-seam sound-absorbing plate sound-absorbing structure, and the sound-absorbing plate component 2 on the lower surface of the support part 1 and the sound-absorbing plate component 2 on the upper surface of the support part 1 can be connected into a whole. The frame part 1 now comprises only a pair of lengthwise frame plates 11 and no widthwise frame. The sound-absorbing board assembly 2 with the shape is simple in appearance, can be horizontally suspended or vertically suspended, and is high in installation flexibility.
When the size of the length direction frame plate 11 is smaller, the arc surface structure is adopted. The sound-absorbing plate component 2 is of an arc surface structure in the height direction, and the sound-absorbing plate component 2 is directly fixed on the main structure keel 3 and indirectly fixed on the length direction frame plate 11. The length direction frame plate 11 is connected with the main structure keel 3.
The length direction frame plate 11 is of a perforated sound absorption plate structure, so that the length direction frame plate 11 has a sound absorption effect besides a sound diffusion effect; meanwhile, the sound absorption performance of the frame plate 11 in the length direction can be conveniently adjusted by selecting raw materials with different perforation rates.
When the sound absorption plate component 2 is arranged in a curved surface, sound diffusion effect can be generated while sound absorption is performed. The support part 1 is a fixed foundation of the sound-absorbing board component 2, and meanwhile, the frame plates 11 in the length direction are of arc-surface structures in the width direction and the height direction to generate sound diffusion effects, so that the overall sound diffusion effect of the multi-curved-surface sound-absorbing body 100 is improved. In particular, when the plurality of multi-curved sound absorbers 100 are arranged in a staggered manner in the height direction, the sound diffusion effect of the longitudinal frame plate 11 is more remarkable.
When the multi-curved-surface sound absorption body 100 is used specifically, the bracket part 1 serves as an installation foundation of the multi-curved-surface sound absorption body 100, and the whole multi-curved-surface sound absorption body 100 is hung up if the bracket part 1 is connected through a hanging piece.
Example 2:
as shown in fig. 4, the difference between the embodiment 2 and the embodiment 1 is that the sound absorbing panel assembly 2 has a non-smooth undulating structure in the height direction, and the two longitudinal frame plates 11 are arranged to have a smooth undulating structure in the width direction. The structure is arranged into a common sound diffusion curved surface shape. The lengthwise frame plates 11 are sufficiently large in size and are arranged in a non-smooth undulating configuration.
Example 3:
as shown in fig. 5 to 6, the difference between the embodiment 3 and the embodiment 1 is that the sound absorbing panel assembly 2 has a wave-shaped smooth undulating structure in the height direction, and the two longitudinal frame plates 11 are arranged in a smooth undulating structure in the width direction. The structure has beautiful appearance, and is a common sound diffusion curved surface appearance.
Example 4:
as shown in fig. 7 to 11, the multi-curved sound-absorbing body comprises a bracket part 1 and a sound-absorbing board assembly 2. The bracket part 1 comprises a pair of length direction frame plates 11 and a pair of width direction frame plates 12 which are arranged in parallel, and the length direction frame plates 11 and the width direction frame plates 12 are connected with each other. Two length direction frame board 11 is level and smooth undulation structure setting, two on the width direction frame board 12 is the cambered surface structure at length direction, and length direction frame board 11 and width direction frame board 12 homoenergetic produce the sound diffusion effect, have further increased the whole sound diffusion effect that the body 100 was inhaled to the polycamber.
The length direction frame plate 11 and the width direction frame plate 12 are of a perforated sound absorption plate structure, so that the length direction frame plate 11 and the width direction frame plate 12 have a sound absorption effect besides a sound diffusion effect; meanwhile, the sound absorption performance of the frame plate 11 in the length direction and the frame plate 12 in the width direction can be conveniently adjusted by selecting raw materials with different perforation rates.
The sound-absorbing board assembly 2 is connected to the lower surface of the support part 1, the support part 1 comprises a main structure keel 3, and the sound-absorbing board assembly 2 is directly fixed on the main structure keel 3. As shown in fig. 11, the sound absorbing panel assembly 2 includes a plurality of slats 20, and the slats 20 are directly engaged with the main structural runners 3. The sound-absorbing plate component 2 is a strip seam sound-absorbing plate structure formed by combining a plurality of battens 20, the appearance and the performance of the strip seam sound-absorbing plate structure are all superior, and meanwhile, the installation is convenient. The main structure keel 3 is a structural foundation of the support part 1, and the length direction frame plate 11 is connected with the main structure keel 3. By adding the main structural keel 3 to the bracket portion 1, the overall structural strength of the multi-curved sound absorbing body 100 can be improved. And the large-sized multi-curved sound-absorbing body 100 can be realized by increasing the length of the main structural runners 3 or increasing the number of the main structural runners 3. The larger the size of the multi-curved sound absorbing body 100, the larger the size of the curved surface thereon, and the lower limit sound frequency that can be diffused.
The sound-absorbing plate assembly 2 is in a smooth and undulating structure in the height direction, and has sound-absorbing and diffusing effects. The upper surface of the support part 1 is nailed or riveted with a back sealing plate 5, and the back sealing plate 5 is a perforated sound-absorbing plate. The back sealing plate is of a smooth and fluctuant structure in the height direction, so that the back sealing plate has sound diffusion and sound absorption effects.
The multi-curved surface sound absorption body 100 is provided with a sound absorption member (not shown), and the sound absorption member is made of sound absorption material such as sound absorption cotton.
The lengthwise frame plates 11 are arranged in parallel, so that the multi-curved sound-absorbing body 100 can be conveniently installed in the width direction side by side.
Example 5:
as shown in fig. 12, the difference between the embodiment 5 and the embodiment 4 is that the sound-absorbing panel assembly 2 further includes a plurality of slat runners 4, a plurality of slats 20 are fixed to the slat runners 4, and the slat runners 4 are connected to the main structure runners 3.
To achieve the fixing of the slats 20 to the main structural runners 3, bent slat runners 4 are used, similar to those disclosed in the patent publication CN 207244882U. The main structure keel 3 is fixed on the main structure keel 3 through the bending shape batten keel 4 matched with the main structure keel 3 in curve, and the batten 20 is fixed on the bending shape batten keel 4. The fixing of the slats 20 to the main structural runners 3 by means of the slat runners 4 reduces the complexity of the installation. In practice, the entire panel assembly 2 may be divided into a plurality of slotted panel modules consisting of slats 20 and slat runners 4, which are then mounted to the main structural runners 3.
Example 6:
as shown in fig. 13 to 15, embodiment 6 differs from embodiment 4 in that a pair of longitudinal frame plates 11 are symmetrically disposed.
The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
The embodiment is only a single implementation manner of the present invention, and those skilled in the art can obtain other embodiments according to the drawings without any creative effort, and the embodiments are also within the protection scope of the present invention.

Claims (10)

1. The utility model provides a sound body is inhaled to many curved surfaces which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the support part comprises a pair of length direction frame plates, and one or two length direction frame plates of the support part are arranged in an arc surface structure or a non-smooth undulating structure or a smooth undulating structure in the width direction and/or the height direction;
the sound absorption plate assembly is arranged on the lower surface of the support part or on the lower surface and the upper surface of the support part;
the sound-absorbing plate component is in a cambered surface structure or a non-smooth fluctuating structure or a smooth fluctuating structure in the height direction, and is directly or indirectly fixed on the frame plate in the length direction.
2. The multi-curved sound absorbing body as claimed in claim 1, wherein the support portion further comprises a pair of width-direction frames, the length-direction frames are connected to the width-direction frames, the width-direction frames have a curved surface structure or a non-smooth or smooth undulating structure in the length direction and/or the height direction, and the sound absorbing plate assembly is directly or indirectly fixed to the length-direction frames or the width-direction frames.
3. The multi-curved sound absorbing body as claimed in claim 2, wherein the sound absorbing plate assembly is disposed on a lower surface of the supporting portion, and a back sealing plate is disposed on an upper surface of the supporting portion, and the back sealing plate is a solid panel or a perforated sound absorbing plate.
4. The sound absorber of claim 3, wherein the back cover plate is curved or has a non-smooth or smooth relief in height.
5. The multi-curved sound absorber of claim 1, wherein the lengthwise frame panel is a perforated sound absorber panel.
6. The multi-curved sound absorbing body as claimed in any one of claims 2 to 4, wherein the lengthwise-direction frame plate and/or the widthwise-direction frame plate is a perforated sound absorbing plate structure.
7. The multi-curved sound absorber of any one of claims 1-5, wherein the sound absorber plate assembly is a slotted sound absorber plate structure, the sound absorber plate assembly comprises a plurality of slats, the brace portion comprises a main structural keel, the plurality of slats are secured to the main structural keel, and the main structural keel is a structural foundation for the brace portion.
8. The multi-curved sound absorber of claim 7, wherein the sound absorber plate assembly further comprises a plurality of slat runners, a plurality of the slats being secured to the slat runners, the slat runners being connected to the main structural runners.
9. The multi-curved sound absorber of claim 8, wherein the strip comprises a plate body and a fixing leg portion disposed on a back surface of the plate body, the fixing leg portion is a single fixing leg, a double fixing leg or a triple fixing leg, and a surface of the plate body is a flat surface, an arc-shaped arch surface, an arc-shaped concave surface, a corrugated surface, a convex edge surface or a concave edge surface; the cross section of the plate body is rectangular, trapezoidal, T-shaped, E-shaped, n-shaped, arched, C-shaped, D-shaped, B-shaped, circular, triangular or elliptical.
10. The multi-curved sound absorber of claim 9, wherein a sound absorbing member is disposed within the multi-curved sound absorber.
CN202010709576.0A 2020-07-22 2020-07-22 Multi-curved surface sound absorption body Pending CN111749349A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010709576.0A CN111749349A (en) 2020-07-22 2020-07-22 Multi-curved surface sound absorption body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010709576.0A CN111749349A (en) 2020-07-22 2020-07-22 Multi-curved surface sound absorption body

Publications (1)

Publication Number Publication Date
CN111749349A true CN111749349A (en) 2020-10-09

Family

ID=72711199

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010709576.0A Pending CN111749349A (en) 2020-07-22 2020-07-22 Multi-curved surface sound absorption body

Country Status (1)

Country Link
CN (1) CN111749349A (en)

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