CN110761436B - Wall structure for controlling sound transmission effect of theater - Google Patents
Wall structure for controlling sound transmission effect of theater Download PDFInfo
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- CN110761436B CN110761436B CN201910877981.0A CN201910877981A CN110761436B CN 110761436 B CN110761436 B CN 110761436B CN 201910877981 A CN201910877981 A CN 201910877981A CN 110761436 B CN110761436 B CN 110761436B
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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
- E04B1/99—Room acoustics, i.e. forms of, or arrangements in, rooms for influencing or directing sound
- E04B1/994—Acoustical surfaces with adjustment mechanisms
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
- E04H3/10—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons for meetings, entertainments, or sports
- E04H3/22—Theatres; Concert halls; Studios for broadcasting, cinematography, television or similar purposes
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a wall structure for controlling sound transmission effect of a theater, which relates to the technical field of sound control of theaters and solves the problem that the reverberation time of the existing theater cannot be adjusted; a plurality of swivelling chute that are the annular setting are all seted up to one side that two mounting panels are close to each other, the top and the bottom of swivelling chute all are provided with the sliding tray of seting up on the mounting panel, the both sides of rotor plate are two sliding blocks that are located two sliding trays respectively, the top and the bottom of sliding block laminate each other and the sliding block can slide in the swivelling chute with the upper and lower both sides of sliding tray respectively, different according to the performance form, the revolving plate rotates, thereby change the wall body to the absorbed dose of sound, thereby change the reverberation effect of theater, thereby make the performance effect can reach the best.
Description
Technical Field
The invention relates to the technical field of sound control of theaters, in particular to a wall structure for controlling sound transmission effect of a theater.
Background
With the continuous improvement of the living standard of people at present, theaters and music halls become main places for people to visit frequently, and various kinds of music and stage plays are performed in the theaters and the music halls.
In order to ensure the performance effect, the reverberation effect of a theater needs to be ensured when the theater is built and designed, when sound waves are transmitted indoors, the sound waves are reflected by barriers such as walls, ceilings and bottom plates, and are absorbed by the barriers once each reflection, so that after the sound source stops generating, the sound waves are reflected and absorbed for many times indoors and disappear finally, a plurality of sound waves are mixed for a period of time after the sound source stops generating, the phenomenon is called reverberation, the period of time is called reverberation time, and after the theater is built, the reverberation time after the theater is full of people is determined.
The optimum reverberation time is different for different performances, for example, the reverberation time cannot be too long when a lecture is performed, the reverberation time is short when a light music performance is performed because the light music requires a vivid rhythm, but the reverberation time is longer when a symphony music performance is performed, the rhythm is slow and the reverberation time is biased to the drama of the lyric, and the reverberation time is longer. However, after the existing theater is built, the reverberation time is determined, and the reverberation time cannot be changed according to different performance forms, so that the performance effect cannot be optimal.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a wall structure for controlling the sound transmission effect of a theater, which rotates a rotating plate according to different performance forms, so that the absorption amount of the wall to sound is changed, the reverberation effect of the theater is changed, and the performance effect can be optimal.
In order to achieve the purpose, the invention provides the following technical scheme: a wall structure for controlling sound transmission effect of a theater comprises a main wall, a plurality of vertically arranged mounting plates fixedly connected to one side of the main wall close to the indoor side, and a plurality of rotating plates arranged between two adjacent mounting plates and evenly distributed along the mounting plates;
the two sides of the rotating plate, which are close to the mounting plate, are respectively mutually attached to the mounting plate, one sides of the two rotating plates, which are close to each other, are mutually attached and horizontally arranged, one sides of the two mounting plates, which are close to each other, are respectively provided with a plurality of rotating grooves which are arranged in an annular shape, the rotating groove on one side of each mounting plate is in one-to-one correspondence with the rotating plate, the axis of each rotating groove is positioned in the middle position of the corresponding rotating plate in the vertical direction, the top and the bottom of each rotating groove are respectively provided with a sliding groove which is arranged on the mounting plate, the sliding groove is positioned on one side of the rotating groove, which is far away from the main wall body, the side, which is far away from each other, is tangent to the outer circumference of the rotating groove, the side, which is close to each other, is tangent to the inner circumference of the rotating groove, the;
one side of the rotating plate close to the wall body and one side of the rotating plate far away from the wall body are respectively a sound absorption surface and a reflection surface.
By adopting the technical scheme, the sound absorption surface of the rotating plate can absorb sound, the sound absorption surface of the reflection surface is far smaller than the sound absorption surface, the rotating plate is rotated according to the performance form of performance in a theater, and one side of the rotating plates, which is far away from the main wall body, is matched, so that the sound absorption rate of the wall body is controlled, the reverberation time meets the requirements of different performance forms, and the performance effects of different performance forms are better; when carrying out the rotor plate rotation, slide the rotor plate orientation near the direction of main wall body earlier until the sliding block slides to the rotating groove in, then slide two sliding blocks in the sliding groove around the axis of sliding groove for the rotor plate rotates 180, then slides the rotor plate orientation and deviates from the direction of main wall body, makes the rotor plate align with other rotor plates.
The invention is further configured to: one side of the rotary groove, which is far away from the sliding groove, is provided with two positioning grooves formed in the mounting plate, the two positioning grooves are respectively positioned at the top and the bottom of the rotary groove and are communicated with the rotary groove, the side, which is far away from the two positioning grooves, is tangent to the outer circumference of the rotary groove, and the side, which is close to the two positioning grooves, is tangent to the inner circumference of the rotary groove;
a positioning block capable of sliding in the positioning groove along the length direction of the positioning groove is arranged in the positioning groove, and a spring in a compression state is fixedly connected to one side of the positioning block, which is far away from the sliding block;
two limiting strips rotating in the rotating groove are arranged in the rotating groove, and when the sliding blocks rotate in the rotating groove, two ends of each limiting strip are in mutual contact with the two sliding blocks respectively.
Through adopting above-mentioned technical scheme, under the elasticity effect of spring, can compress tightly the rotor plate to after the rotor plate is rotatory to be accomplished, need not artifical pulling rotor plate slip, just can promote the sliding plate and resume the normal position under the elasticity effect of spring.
The invention is further configured to: one side that two sliding blocks on one side of same rotor plate deviate from each other is the arcwall face, and the arcwall face equals with the diameter of rotating chute, and when the sliding block was located the rotating chute, the sliding block was coaxial with the rotating chute.
Through adopting above-mentioned technical scheme, through setting up the arcwall face for the sliding block carries out gliding in the swivelling chute in the middle of, and the arcwall face can laminate in the outside of swivelling chute, makes the rotor plate be difficult to appear rocking in the middle of the rotatory process.
The invention is further configured to: the locating piece is close to sliding block one side and is the arc setting and is close to the laminating each other of locating piece one side with the sliding block.
Through adopting above-mentioned technical scheme, locating piece and sliding block are close to the laminating of locating piece one side each other for the promotion sliding block that the spring can be more steady slides in the sliding tray.
The invention is further configured to: the rotor plate includes the intermediate lamella and is located the both sides board of intermediate lamella both sides, and sound-absorbing surface and plane of reflection are located the one side that the both sides board deviates from each other respectively, and when two sliding blocks slided in the swivelling chute, the axis axial symmetry setting of both sides board for the swivelling chute.
Through adopting above-mentioned technical scheme, both sides board sets up for the axis axial symmetry of swivelling chute for after the rotation plate rotates 180 for the rotor plate deviates from main wall body one side and can not change after the rotation shape yet.
The invention is further configured to: the mounting panel is run through to one side that the sliding tray orientation deviates from the main wall body, and one side that the mounting panel deviates from the main wall body is provided with a plurality of limiting plates, and the stopper that inserts respectively in the mounting panel both sides wall body is close to two branches of all fixedly connected with in one side of mounting panel to each limiting plate, and the one side that two adjacent limiting plates are close to each other contacts each other, and the connection can be dismantled on the mounting panel to the limiting plate.
Through adopting above-mentioned technical scheme, dismantle the limiting plate from the mounting panel down, can follow the sliding tray roll-off with the sliding block that corresponds to follow the mounting panel with the rotor plate from dismounting, be convenient for change the mounting panel of damage.
The invention is further configured to: a counter bore is formed in one side, away from the mounting plate, of the limiting plate, and a counter bore bolt penetrating through the limiting plate and connected with the mounting plate in a threaded mode is arranged in the counter bore.
Through adopting above-mentioned technical scheme, through setting up counter bore and countersunk head bolt, can prevent that the bolt from protruding from the limiting plate.
The invention is further configured to: and a decorative layer with the same shape and size as the side of the limiting plate, which is away from the mounting plate, is adhered to the outer side of the limiting plate.
Through adopting above-mentioned technical scheme, through setting up the decorative layer, can seal the counter bore for be difficult to by the edge fish tail of counter bore when the staff contacts the mounting panel.
In summary, compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the mounting plate and the rotating plate are arranged, the sound absorption surface of the rotating plate can absorb sound, the sound absorption surface of the reflecting surface is far smaller than the sound absorption surface, the rotating plate is rotated according to the performance form of performance in a theater, and one side of the rotating plates, which is far away from the main wall body, is matched, so that the sound absorption rate of the wall body is controlled, the reverberation time meets the requirements of different performance forms, and the performance effects of different performance forms are better;
2. according to the invention, the positioning groove and the spring are arranged, the rotating plate can be pressed under the elastic force of the spring, and after the rotating plate is rotated, the sliding plate can be pushed to return to the original position under the elastic force of the spring without manually pulling the rotating plate to slide.
Drawings
FIG. 1 is a schematic diagram of the complete structure of the embodiment;
FIG. 2 is a schematic view of an embodiment of a spin basket;
FIG. 3 is a schematic view of a rotating plate of an embodiment;
FIG. 4 is an enlarged view of portion A of FIG. 2;
fig. 5 is a cross-sectional view of an embodiment embodying a countersunk head bolt.
In the figure: 1. a main wall body; 2. mounting a plate; 21. a rotating tank; 211. a limiting strip; 22. a sliding groove; 23. positioning a groove; 3. a rotating plate; 31. a middle plate; 32. a side plate; 33. a slider; 331. an arc-shaped surface; 4. a spring; 41. positioning blocks; 5. a limiting plate; 51. a counter bore; 52. a limiting block; 6. a decorative layer; 7. a countersunk head bolt.
Detailed Description
Example (b): a wall structure for controlling sound transmission effect of a theater is disclosed, referring to the attached figure 1, and comprises a main wall 1, a plurality of vertically arranged mounting plates 2 fixedly connected to one side of the main wall 1 close to the indoor side, and a plurality of rotating plates 3 arranged between two adjacent mounting plates 2 and evenly distributed along the mounting plates 2; the two sides of the rotating plate 3 close to the mounting plate 2 are respectively attached to the mounting plate 2, and one sides of the two rotating plates 3 close to each other are attached to each other and horizontally arranged.
Referring to fig. 2 and fig. 3, a plurality of rotating grooves 21 arranged in a ring shape are formed in the side, close to each other, of each of the two mounting plates 2, the plurality of rotating grooves 21 in one side of each of the mounting plates 2 correspond to the rotating plates 3 in the side of the mounting plate 2 one by one, the axis of each rotating groove 21 is located in the middle of the corresponding rotating plate 3 in the vertical direction, sliding grooves 22 formed in the mounting plates 2 are formed in the top and bottom of each rotating groove 21, the sliding grooves 22 are located on the side, away from the main wall 1, of each rotating groove 21, the side, away from each other, of each sliding groove 22 is tangent to the outer circumference of the corresponding rotating groove 21, and the side, close to each other, of each sliding; the rotating plate 3 comprises an intermediate layer and side plates 32 fixedly connected to the intermediate layer on the sides close to the main wall body 1 and far away from the main wall body 1 respectively, the sides of the two side plates 32 far away from each other are respectively a reflecting surface and a sound absorbing surface, and the sound absorbing rate of the reflecting surface for reflecting sound is lower than that of the sound absorbing surface for reflecting sound; two sliding blocks 33 respectively positioned in the two sliding grooves 22 are fixedly connected to two sides of the middle layer close to the mounting plate 2, the top and the bottom of each sliding block 33 are respectively attached to the upper side and the lower side of each sliding groove 22, and the sliding blocks 33 can slide in the rotating grooves 21. The side, which is away from each other, of the two sliding blocks 33 on one side of the middle layer is an arc-shaped surface 331, the diameters of the arc-shaped surface 331 and the rotating groove 21 are equal, and when the sliding blocks 33 are positioned in the rotating groove 21, the sliding blocks 33 are coaxial with the rotating groove 21; when the two slide blocks 33 slide in the rotary groove 21, the two side plates 32 are disposed axisymmetrically with respect to the axis of the rotary groove 21.
According to the difference of performance form, need adjust reverberation time, only need adjust the rotor plate 3 and deviate from the quantity proportion and the whole arrangement of the plane of reflection and the sound absorption of main wall 1 one side this moment can, in the time of the regulation, will slide rotor plate 3 orientation earlier and be close to main wall 1's direction, until sliding block 33 slides to the swivelling chute 21 in, then slide two sliding blocks 33 around the axis of swivelling chute 21 in swivelling chute 21, make rotor plate 3 rotatory 180, then slide rotor plate 3 orientation and deviate from main wall 1's direction, make rotor plate 3 align with other rotor plate 3.
Referring to fig. 2 and 4, two positioning grooves 23 formed in the mounting plate 2 are disposed on a side of the rotating groove 21 away from the sliding groove 22, the two positioning grooves 23 are respectively located at the top and the bottom of the rotating groove 21 and are communicated with the rotating groove 21, a side of the two positioning grooves 23 away from each other is tangent to the outer circumference of the rotating groove 21, and a side of the two positioning grooves 23 close to each other is tangent to the inner circumference of the rotating groove 21; a positioning block 41 which can slide in the positioning groove 23 along the length direction of the positioning groove 23 is arranged in the positioning groove 23, and one side of the positioning block 41, which is far away from the sliding block 33, is fixedly connected with a spring 4 in a compressed state; one end of the spring 4 departing from the positioning block 41 is fixedly connected to the driving plate on one side of the positioning groove 23 departing from the sliding groove 22; one side of the positioning block 41, which is close to the sliding block 33, is arranged in an arc shape and is mutually attached to one side of the sliding block 33, which is close to the positioning block 41; two limit bars 211 rotating in the rotating groove 21 are arranged in the rotating groove 21, and when the sliding blocks 33 rotate in the rotating groove 21, two ends of the limit bars 211 are respectively contacted with the two sliding blocks 33.
Under the action of the elastic force of the spring 4, the sliding block 33 can be abutted tightly, so that the position of the rotating plate 3 in normal use is maintained, when the rotating plate 3 needs to be rotated, the sliding block 33 is pushed into the rotating groove 21 first, at the moment, the positioning block 41 is completely positioned in the positioning groove 23, when the rotating plate 3 rotates, the limiting strip 211 slides in the rotating groove 21 along with the sliding block 33, the positioning block 41 can be limited through the limiting strip 211, the positioning block 41 cannot slide into the sliding groove 22, after the rotation is finished, the positioning block 41 is in contact with the sliding block 33 again, and under the action of the elastic force of the spring 4, the sliding block 33 is pushed into the sliding groove 22 to be fixed.
Referring to fig. 2 and 5, the sliding groove 22 penetrates through the mounting plate 2 towards the side away from the main wall 1, a plurality of limiting plates 5 are arranged on the side of the mounting plate 2 away from the main wall 1, two limiting blocks 52 respectively inserted into the walls on the two sides of the mounting plate 2 are fixedly connected to one side of each limiting plate 5 close to the mounting plate 2, and the adjacent sides of the two limiting plates 5 are in contact with each other; one side, away from the mounting plate 2, of the limiting plate 5 is provided with a counter bore 51, and a counter bore 7 penetrating through the limiting plate 5 and in threaded connection with the mounting plate 2 is arranged in the counter bore 51. And a decorative layer 6 with the same shape and size as that of the side, away from the mounting plate 2, of the limiting plate 5 is adhered to the outer side of the limiting plate 5. When the rotating plate 3 needs to be replaced, the corresponding two stopper plates 5 are removed, and then the sliding block 33 is pushed out from the sliding groove 22 by the elastic force of the spring 4, so that the rotating plate can be directly replaced.
The working principle of the wall structure for controlling the sound transmission effect of the theater when in use is as follows: according to the difference of performance form, need adjust reverberation time, only need adjust the rotor plate 3 at this moment and deviate from the reflecting surface and the quantity proportion and the whole arrangement of sound-absorbing surface of main wall 1 one side can, in the time of the regulation, will slide rotor plate 3 towards the direction that is close to main wall 1 earlier, until sliding block 33 slides to the rotating groove 21 in, then slide two sliding blocks 33 around the axis of rotating groove 21 in rotating groove 21, make rotor plate 3 rotatory 180, spring 4 promotes sliding block 33 through locating piece 41 and restores to the original position.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. The utility model provides a wall structure of control theater transaudient effect, includes main wall body (1), its characterized in that: the indoor wall body is characterized by also comprising a plurality of vertically arranged mounting plates (2) fixedly connected to one side of the main wall body (1) close to the indoor side and a plurality of rotating plates (3) uniformly distributed along the mounting plates (2) and arranged between two adjacent mounting plates (2);
the two sides of the rotating plate (3) close to the mounting plate (2) are respectively mutually attached to the mounting plate (2), one side of the two rotating plates (3) close to each other is mutually attached and horizontally arranged, one side of the two mounting plates (2) close to each other is provided with a plurality of rotating grooves (21) which are arranged in an annular manner, the rotating groove (21) on one side of each mounting plate (2) is in one-to-one correspondence with the rotating plate (3), the axis of each rotating groove (21) is positioned at the middle position of the vertical direction of the corresponding rotating plate (3), the top and the bottom of each rotating groove (21) are provided with sliding grooves (22) which are arranged on the mounting plate (2), the sliding grooves (22) are positioned on one side of the rotating grooves (21) departing from the main wall body (1), one side of the two sliding grooves (22) departing from each other is tangent to the outer circumference of the rotating grooves (21), one side of the two sliding grooves (22, two sliding blocks (33) respectively positioned in the two sliding grooves (22) are fixedly connected to two sides of the rotating plate (3), the top and the bottom of each sliding block (33) are respectively attached to the upper side and the lower side of each sliding groove (22), and the sliding blocks (33) can slide in the rotating grooves (21);
one side of the rotating plate (3) close to the wall body and one side of the rotating plate far away from the wall body are respectively a sound absorption surface and a reflection surface.
2. The wall structure for controlling a sound-transmitting effect of a theater as set forth in claim 1, wherein: one side of the rotating groove (21) departing from the sliding groove (22) is provided with two positioning grooves (23) formed in the mounting plate (2), the two positioning grooves (23) are respectively located at the top and the bottom of the rotating groove (21) and are communicated with the rotating groove (21), one sides of the two positioning grooves (23) departing from each other are tangent to the outer circumference of the rotating groove (21), and the sides of the two positioning grooves (23) close to each other are tangent to the inner circumference of the rotating groove (21);
a positioning block (41) capable of sliding in the positioning groove (23) along the length direction of the positioning groove (23) is arranged in the positioning groove (23), and one side, away from the sliding block (33), of the positioning block (41) is fixedly connected with a spring (4) in a compressed state;
two limit strips (211) rotating in the rotary groove (21) are arranged in the rotary groove (21), and when the sliding blocks (33) rotate in the rotary groove (21), two ends of the limit strips (211) are respectively contacted with the two sliding blocks (33).
3. The wall structure for controlling a sound-transmitting effect of a theater as set forth in claim 2, wherein: the side of two sliding blocks (33) on one side of the same rotating plate (3) which deviates from each other is an arc-shaped surface (331), the diameter of the arc-shaped surface (331) is equal to that of the rotating groove (21), and when the sliding blocks (33) are positioned in the rotating groove (21), the sliding blocks (33) are coaxial with the rotating groove (21).
4. A wall structure for controlling a sound-transmitting effect of a theater as set forth in claim 3, wherein: one side of the positioning block (41) close to the sliding block (33) is arc-shaped and is attached to one side of the sliding block (33) close to the positioning block (41).
5. The wall structure for controlling a sound-transmitting effect of a theater as set forth in claim 1, wherein: the rotating plate (3) comprises a middle plate (31) and two side plates (32) located on two sides of the middle plate (31), the sound absorption surface and the reflection surface are respectively located on one sides, deviating from the two side plates (32), and when the two sliding blocks (33) slide in the rotating groove (21), the two side plates (32) are arranged in axial symmetry relative to the axis of the rotating groove (21).
6. The wall structure for controlling a sound-transmitting effect of a theater as set forth in claim 1, wherein: mounting panel (2) are run through to one side that sliding tray (22) orientation deviates from main wall body (1), and one side that mounting panel (2) deviate from main wall body (1) is provided with a plurality of limiting plates (5), and one side that each limiting plate (5) are close to mounting panel (2) is two stopper (52) of inserting respectively in mounting panel (2) both sides wall body, and one side that two adjacent limiting plates (5) are close to each other contacts each other, and the connection can be dismantled on mounting panel (2) in limiting plate (5).
7. The wall structure for controlling a sound-transmitting effect of a theater as set forth in claim 6, wherein: one side, away from the mounting plate (2), of the limiting plate (5) is provided with a counter bore (51), and a counter bore bolt (7) which penetrates through the limiting plate (5) and is in threaded connection with the mounting plate (2) is arranged in the counter bore (51).
8. The wall structure for controlling a sound-transmitting effect of a theater as set forth in claim 7, wherein: and a decorative layer (6) with the same shape and size as the side of the limiting plate (5) departing from the mounting plate (2) is pasted on the outer side of the limiting plate (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910877981.0A CN110761436B (en) | 2019-09-17 | 2019-09-17 | Wall structure for controlling sound transmission effect of theater |
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| CN201910877981.0A CN110761436B (en) | 2019-09-17 | 2019-09-17 | Wall structure for controlling sound transmission effect of theater |
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| CN114809367A (en) * | 2022-05-25 | 2022-07-29 | 广州市东亚技术有限公司 | Acoustic structure and performance building |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3706984A1 (en) * | 1987-03-04 | 1988-09-15 | Gruenzweig & Hartmann Montage | WALL COVERING FOR CHANGING THE ACOUSTIC BEHAVIOR OF A WALL |
| JPH06173363A (en) * | 1992-12-08 | 1994-06-21 | Matsushita Electric Ind Co Ltd | Acoustic module |
| JPH08160968A (en) * | 1994-12-06 | 1996-06-21 | Fujikura Ltd | Echo adjusting device |
| US9322165B2 (en) * | 2014-07-25 | 2016-04-26 | Erik J. Luhtala | Dynamically adjustable acoustic panel device, system and method |
| CN206456316U (en) * | 2017-02-17 | 2017-09-01 | 湖南湖大艾盛汽车技术开发有限公司 | A kind of adjustable automobile cab sound absorber of absorption |
| CN107401296A (en) * | 2017-09-14 | 2017-11-28 | 苏州岸肯电子科技有限公司 | A kind of adjustable listening room of acoustic efficiency |
| CN208122023U (en) * | 2018-04-14 | 2018-11-20 | 广东昱昊装饰工程有限公司 | A kind of novel energy-conserving wall mounting structure |
| CN108755999A (en) * | 2018-07-14 | 2018-11-06 | 重庆朗福环保科技有限公司 | A kind of compound pin hole aluminium acoustic board |
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Address after: 8 / F, 13 / F, Zhonghao building, Bagua 4th Road, Futian District, Shenzhen City, Guangdong Province Patentee after: Zhongfutai cultural architecture Co.,Ltd. Address before: 8 / F, 13 / F, Zhonghao building, Bagua 4th Road, Futian District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN ZHONGFUTAI CULTURAL BUILDING CONSTRUCTION Co.,Ltd. |
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