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83results about "Room acoustics" patented technology
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Apparatus and system for acoustic curved ceiling baffle and methods of manufacturing thereof
An acoustic curved ceiling baffle and system that incorporates sidewalls with cuts or kerfs, top and bottom spines and ribs to properly configure the curves in the acoustic baffle, and that can be quickly and easily installed onto ceilings using integrated locks, cables or magnets, to produce a curved baffle system, and to provide an aesthetically pleasing image, along with a reduction in unwanted noise and / or room acoustics.
Owner:TURF DESIGN INC
Large-span ellipsoidal glass structure space noise reduction method based on sound field optimization
The invention belongs to the technical field of automatic control, and particularly relates to a large-span ellipsoidal glass structure space noise reduction method based on sound field optimization, and the method comprises the steps: 1, transmitting a sample noise in an ellipsoidal glass structure through a sound wave generator, building a sound wave propagation model to describe the behavior of the sample noise in the ellipsoidal structure, an incident sound field is obtained; 2, analyzing the propagation characteristics of the sample noise in the ellipsoidal glass structure to obtain an acoustic structure coupling equation, and solving the acoustic structure coupling equation to obtain structural vibration displacement; 3, obtaining a sound radiation field of the ellipsoidal glass structure according to the structural vibration displacement; and step 4, combining the incident sound field and the sound radiation field, and performing spatial noise reduction by reflecting the sound pressure of the sound field. According to the method, the problems of poor adaptability and low control precision of a traditional noise reduction method in a non-uniform structure are effectively solved, and the noise reduction efficiency, the control sensitivity and the environment adaptability of a building space are remarkably improved.
Owner:CHINA RAILWAY CONSTR GROUP CO LTD +1
Sound chamber module system
The invention discloses a sound chamber module system which is provided with walls on four sides and comprises a door to create an internal space, a main body frame arranged on one side of the wall, a video device arranged in the center of the main body frame and a plurality of audio devices arranged on two sides of the periphery of the video device, and the wall comprises a concrete layer. The sound absorption material layer is installed on the concrete layer, and the sponge component is doped with ferrite components. The sound absorption material layer comprises a semi-non-combustible sheet layer in which water and melamine resin powder are dissolved.
Owner:TOKEN DESIGN CO LTD +1
Panel mounting system
Disclosed is a system and method for mounting a panel (40) such as an acoustic panel, baffle or fin. The system for mounting the panel (40) can comprise an elongate member (12). A base (14) of the member (12) can be configured to enable it to be mounted with respect to a structure. Opposing sidewalls (13) of the member (12) can extend from the base (14) such that, in profile, the sidewalls define a neck portion (N) that extends to an enlarged head portion (H) of the member (12). The panel (40) can have a recess (42) formed in an edge thereof. The recess (42) can be configured to generally correspond to an external profile of the member (12). An inner recess portion (43) of the panel (40) can be enlarged to receive the member head portion (H), with an outer recess portion (45) being configured to receive the member neck portion (N). The outer recess portion (45) can open out of the panel edge such that, when the member (12) is located in the panel recess (42) it retains the panel (40) to the member (12).
Owner:CSR BUILDING PRODUCTS LTD
Mls diffuser
The present application relates to the technical field of sound absorption diffuser, and discloses an MLS diffuser, which comprises a mounting plate, a plurality of MLS diffuser bodies and a plurality of connecting rods extending along a first direction; the mounting plate has a mounting surface in the first direction; the MLS diffuser body comprises a base plate and a plurality of MLS diffuser units, the MLS diffuser units are arranged on the peripheral wall of the base plate along the first direction, each base plate is connected with each connecting rod one by one, and is connected with the mounting surface through the connecting rod; the MLS diffuser bodies are arranged in an array on the mounting surface, and can move close to or away from the mounting surface along the first direction through the connecting rod. The MLS diffuser can provide uniform sound diffusion effect and improve auditory experience.
Owner:GUANGZHOU JISHI CONSTR GRP +1
An omnidirectional anti-sound measure structural structure and construction method
The present application relates to the technical field of acoustic measure construction, and in particular to an omnidirectional anti-sound measure construction structure and construction method, and its technical solution is: it includes a horizontal limit ring, a steering structure ring and an anti-sound plate, the steering structure ring is arranged on the inner wall of the horizontal limit ring, and the anti-sound plate is fixed to the outside of the steering structure ring by screws; an auxiliary walking assembly is arranged on the inner side wall of the horizontal limit ring, and an inner slide groove for the movement of the auxiliary walking assembly is arranged on the side wall of the horizontal limit ring, and the auxiliary walking assembly includes an inner slide rail and a horizontal steering motor; a connecting part is provided on the steering structure ring, the connecting part includes an L-shaped steel bracket for fixing the steering structure ring, and also includes a steering shaft for vertical steering of the steering structure ring, and a vertical steering motor is provided on one side of the steering shaft for driving the rotating shaft to rotate; the present application has the technical effect of omnidirectional adjustment of the anti-sound plate, that is, completing the 360-degree flipping of the anti-sound plate, and realizing fast installation and saving construction time.
Owner:SHANGHAI TECHN INST OF ELECTRONICS & INFORMATION
A double-wing electric reflection device on the ceiling of a multi-functional hall
The present invention discloses a double-wing electric reflection device on the top surface of a multi-functional hall, which relates to the technical field of electric reflection devices. The double wings are driven to unfold or fold by a spiral lifting mechanism and a screw transmission or a hoist steel belt transmission, so as to change the sound and light reflection range of the multi-functional hall, thereby changing the reverberation time of the sound field of the multi-functional hall, changing the light and shadow effects of the multi-functional hall, changing the hall space and the sound and light environment, and meeting the sound and light requirements in the modes of concert hall, conference, theater and studio, thereby meeting the different light and shadow requirements of the multi-functional hall. The limiting thread groove in the support limiting component plays a limiting role on the screw when it descends, thereby effectively controlling the stroke of the screw when it descends. The hinge of the limiting plate is fixedly connected to a telescopic lighting part, and the telescopic lighting part includes a lamp pole, and a telescopic spring is sleeved on the lamp pole. The other end of the telescopic spring is connected to an elastic telescopic hook, and the elastic telescopic hook is clamped with the performance lamp, so that a performance lamp pole and a lamp tube can be added in the venue and studio modes.
Owner:JIANGSU JIANSHENG AUDIO VIDEO EQUIP CO LTD
Apparatus and system for dynamic high NRC acoustic locking wall tile and methods thereof
Owner:TURF DESIGN INC
Modularized silencing cabin
The utility model discloses a modularization noise reduction cabin which comprises a square steel frame, modularization sound insulation plates and modularization noise reduction wedges, the square steel frame is of a frame structure formed by splicing a plurality of pieces of square steel through corner connectors and bolts and forms a cabin in a surrounding mode, the square steel forms a plurality of square grids in a cross mode, each square grid is covered with the corresponding modularization sound insulation plate, and the modularization noise reduction wedges are arranged on the modularization sound insulation plates. The modular sound insulation board is arranged on the square steel, the edge of the modular sound insulation board is provided with a turnup matched with the shape of a grid, the turnup is provided with a turnup hole, the turnup is fixed to the square steel by driving a self-drilling screw into the turnup hole, and the modular sound insulation board is provided with a modular silencing wedge on one side of the cabin. By means of the mode, the modularized silencing cabin can isolate most of external environment noise in a complex acoustic environment and form a reflection-free acoustic environment in the interior, and the requirement of an internal acoustic testing environment is met due to the fact that the frame capable of being quickly disassembled, the modularized integrated sound insulation plates and the silencing wedges are built through the square steel.
Owner:SUZHOU BAOCH ACOUSTIC TECH CO LTD
Acoustic panel assembly
An acoustic panel assembly (1, 100, 130, 147, 148, 150) comprises a plurality of acoustic panel members (10, 110, 135, 147A, 148A, 155). A plurality of bridge portions (20) is configured to connect each of the acoustic panel members to at least one other acoustic panel member. The acoustic panel members each have at least two sidewall portions (52, 55) and an exterior face layer (70) comprising a pair of side portions (72, 75). The side portions (72, 75) of each exterior face layer (70) are configured to adhere to the sidewall portions (52, 55) of each acoustic panel member (10, 110, 135, 147A, 148A, 155). The acoustic panel assembly (1, 100, 130, 147, 148, 150) is easier to install and is applicable to a variety of wall surfaces. A method of manufacturing the acoustic panel assembly is provided.
Owner:MODULO PANEL PTY LTD
Acoustic wall
Owner:田越文
Modular dynamic acoustic ceiling panel
A modular dynamic acoustic system for use in connection with an indoor environment includes a movable panel array, a support structure, and a plurality of suspension members. The movable panel array includes a plurality of panel members, each including a body defining at least one edge, at least one hinge positioned along the at least one edge, and at least one mounting structure. The panel members are operably coupled to at least one adjacent panel member via the at least one hinge. Each of the plurality of suspension members is operably coupled to the support structure and at least one mounting structure of one of the plurality of panel members to secure the movable panel array to the support structure. Each of the suspension members is movable to modify the configuration of the movable panel array.
Owner:USG CEILINGS PLUS LLC
Sound reflecting cover structure
The utility model discloses a sound reflecting cover structure for a stage. And the side plate of which the upper part is provided with the hanging bracket is arranged on a side plate balance frame with a hanging point through a hinge. A movable support with trundles and adjusting supporting legs is installed on the rear plate, and the movable support can be opened and can be fixed through a lock catch after being folded. A penetrating steel pipe is installed in the aluminum square pipes on the two sides of the aluminum honeycomb plate inner frame of the side plate, the side plate and the penetrating steel pipe are fixed together through screws, and a hanging bracket is installed on the penetrating pipe.
Owner:刘卫平 +1
A double-layer anti-sound suspended ceiling combined with GRG and aluminum grid
The application relates to a GRG underhung aluminum grid combined double-layer anti-sound ceiling, which comprises a steel frame, a GRG anti-sound plate arranged below the steel frame and a grid module arranged below the GRG anti-sound plate; the GRG anti-sound plate is arranged along the full side below the steel frame and extends and is arranged from one side to the other side below the steel frame in an inclined manner, and a sound source area is arranged below the low position corresponding to the inclined extension of the GRG anti-sound plate; the grid module is arranged in an inclined manner along the inclined GRG anti-sound plate, the surface density of the GRG anti-sound plate is 120 kg / m 2 , the thickness is 7 cm, and the air permeability of the grid module is at least 50%. The application forms an anti-sound structure above the sound source through the arrangement of the GRG anti-sound plate, increases the reverberation effect of the sound in the space after the sound source is reflected by the anti-sound plate, and improves the sound quality effect; the grid module provides sound transmission purposes for the GRG anti-sound and can also avoid the uneven appearance of the anti-sound effect and sound defects.
Owner:SHANGHAI BUILDING DECORATION ENG GRP CO LTD
Sound reflecting cover structure
The invention discloses a sound reflecting cover structure for a stage. And the side plate of which the upper part is provided with the hanging bracket is arranged on a side plate frame with a hanging point through a hinge. A movable support with trundles and adjusting supporting legs is installed on the rear plate, and the movable support can be opened and can be fixed through a lock catch after being folded. A penetrating steel pipe is installed in the aluminum square pipes on the two sides of the aluminum honeycomb plate inner frame of the side plate, the side plate and the penetrating steel pipe are fixed together through screws, and a hanging bracket is installed on the penetrating pipe.
Owner:王庆宪 +1
Partition and its manufacturing method
To provide a partition with improved acoustic characteristics, by which speaker's voice is easily transmitted to a listener, and a method for manufacturing the partition.SOLUTION: In a partition 1 with a substrate 10, a recess 20 is formed in a first side 12 in the thickness direction of the substrate 10, having an opening shape of a perfect circle and a curved surface 22 that deepens from the opening edge toward the center and a flat surface 24 located inside the recess, and a recess 30 is formed in a second side 14 in the thickness direction of substrate 10, having an opening shape of a perfect circle and a curved surface 32 that deepens from the opening edge toward the center and a flat surface 34 located inside the recess.SELECTED DRAWING: Figure 2
Owner:SHIN ETSU POLYMER CO LTD
MLS diffuser
The invention relates to the technical field of sound absorption diffusers, and discloses an MLS diffuser which comprises a mounting plate, a plurality of MLS diffuser bodies and a plurality of connecting rods extending in the first direction. The mounting plate is provided with a mounting surface located in the first direction, the MLS diffuser body comprises substrates and a plurality of MLS diffuser units, the MLS diffuser units are arranged on the peripheral walls of the substrates in the first direction in a surrounding mode, the substrates are connected with the connecting rods in a one-to-one correspondence mode, and the MLS diffuser units are connected with the connecting rods in a one-to-one correspondence mode. The plurality of MLS diffuser bodies are arranged on the mounting surface and are in sliding connection with the mounting surface through the connecting rods, and the plurality of MLS diffuser bodies are arranged on the mounting surface in an array manner and can be close to or far away from the mounting surface along the first direction through the connecting rods. The MLS diffuser provided by the invention can provide a uniform sound diffusion effect and improve auditory experience.
Owner:GUANGZHOU JISHI CONSTR GRP +1
Sound insulation wall
The utility model provides a sound insulation wall which is of a sandwich wall structure, comprises a base layer and a sound insulation layer, and is characterized in that the sound insulation layer comprises a sponge layer, a glass layer, a hollow layer and a foam layer which are sequentially arranged, the surface of the sponge layer faces the interior of a room, and the surface of the glass layer is tightly attached to and fixedly connected to the back face of the sponge layer; the surface of the hollow layer is tightly attached to and fixedly connected to the back face of the glass layer, the surface of the foam layer is tightly attached to and fixedly connected to the back face of the hollow layer, and the back face of the foam layer is fixedly connected with the base layer. Meanwhile, the problems that in the prior art, installation is complex, cost is high, and materials are aged are solved, and the application performance in high-sound-absorption standard places is remarkably improved.
Owner:SHANGHAI PT ARCHITECTURE DESIGN & CONSULTANT CO LTD
Acoustic wall panels, wall covering systems, and methods for making the same
A method for forming a wall covering system includes positioning a first substrate adjacent a second substrate such that a seam is defined between the first acoustic wall panel and the second acoustic wall panel, applying a seam-filling material to the seam, applying a coating composition over the first substrate, the second substrate, and the seam-filling material to define a first major exposed surface, and perforating at least a portion of the first major exposed surface.
Owner:ARMSTRONG WORLD IND INC
Acoustic diffusion assembly based on magnetic attraction structure
The utility model discloses an acoustic diffusion assembly based on magnetic attraction structure relates to acoustic diffusion board technical field, including diffusion board main part, and multiple diffusion board main parts are rectangular array distribution on the wall, and the rear surface of diffusion board main part is equipped with the positioning frame assembly connected on the wall, diffusion board main part includes the positioning plate connected with positioning frame assembly, the front surface of positioning plate is equipped with the diffusion portion for diffusing sound wave, positioning frame assembly includes the main frame of fixed setting with the wall with expansion bolt, the utility model discloses utilize the embedded magnet can connect diffusion board main part first on the outer wall of main frame, until constitutes a wall on the concert hall wall, when rotating the driving handle can realize the locking effect to diffusion board main part, can conveniently and efficiently complete the installation of diffusion board main part, and after the later period can flexibly remove diffusion board main part and carry out the recycling use, so that the building cost of concert hall obtains the saving.
Owner:Z&F CULTURE CONSTR CO LTD
Variable reverberation acoustic laboratory construction
The invention discloses a variable reverberation acoustic laboratory structure, which comprises a laboratory body and an environment conversion mechanism, the laboratory body comprises a first body, an experiment space is formed in the first body and is used for carrying out an acoustic experiment, and the environment conversion mechanism is arranged in the experiment space and comprises a plurality of driving units and a plurality of conversion columns, at least one conversion column can be synchronously and rotatably installed on one driving unit, the peripheral side of each conversion column is provided with a sound absorption part and a reflection part arranged on the back face of the sound absorption part, each sound absorption part is made of a sound absorption material, each reflection part is made of a sound reflection material, and the conversion columns are arranged on the back face of the sound absorption part. Furthermore, when the plurality of conversion columns rotate by a preset angle through the driven unit, a semi-anechoic chamber sound field environment and a reverberation chamber sound field environment can be formed in the first body, so that the experiment requirements of different acoustic environments are met.
Owner:DIYIN AUTOMOTIVE TECH (SHANGHAI) CO LTD
Acoustic panel structure for indoor ceiling and method for installing the same
This invention belongs to the field of indoor acoustic effects technology and discloses a sound reflector structure for indoor ceilings and its installation method. The sound reflector structure includes: a frame; a top plate; a spherical panel, with a first overlapping edge and a second overlapping edge forming an overlapping seam; the surface of the spherical panel has a water ripple texture to reflect and diffuse incoming sound waves; and a first filler material to fill the overlapping seam so that the spherical panel and the top plate fit together to enclose the frame; the spherical panel, the top plate, and the first filler material are all made of GRG material. This invention improves the sound field strength and reduces low-frequency absorption by designing the sound reflector with a unique water ripple texture and a specific curved surface calculated acoustically, and by using GRG material with superior acoustic performance. This improves the reverberation time and surround sound effect in the auditorium, achieving a balance between early and late reflections, thus realizing a purely natural sound environment.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD
Method of covering at least part of a wall, use of a plurality of panels, panel, and assembly of a plurality of panels and a wall
Method of covering at least part of a wall (4) of a building by means of a plurality of panels. Individual panels (2) each include a panel body (6) and have a panel front surface, a panel back surface, and a panel peripheral surface (12). The method includes positioning the plurality of panels along the wall (4). The panel bodies are spaced apart from each other for having a peripheral gap (14) between the panel bodies (6). At least part of the panel back surfaces are spaced apart from the wall (4) for having a wall gap (16) between the panel bodies (6) and the wall (4). The method includes realising in the wall gap (16) and / or the peripheral gap (14) absorption of low-frequency acoustic noise (18) that is generated outside of the building and that propagated towards the wall (4) to reach the wall gap (16) and / or the peripheral gap (14).
Owner:ETEX BUILDING PERFORMANCE INT SAS +1
Detachable acoustic reflecting cover for stage
Owner:ZHEJIANG TIANZE CULTURAL EXCHANGE CO LTD
Angle-adjustable acoustic panel
The utility model belongs to the technical field of building decoration, and particularly discloses an angle-adjustable acoustic panel which comprises a rotatable panel layer, the rotatable panel layer is composed of a plurality of panel units, the top ends of the plurality of panel units are rotatably connected with a supporting plate, the supporting plate is fixedly connected to a building wall, and the panel units are arranged on the supporting plate. The bottom ends of the plurality of panel units are rotatably connected with a motor, the motor is detachably connected to a building bottom plate, the plurality of panel units comprise first-class panels and second-class panels, the first-class panels and the second-class panels have different shapes and are arranged at intervals, and the surface layers of the first-class panels and the surface layers of the second-class panels are wrapped with sound diffusion materials. According to the utility model, the first-class panels and the second-class panels with different shapes are arranged, the MLS diffusers are wrapped, and the MLS diffusers are arranged at intervals, so that sound waves can be reflected, refracted and scattered for multiple times on the surfaces of the diffusers with different thicknesses, the linear propagation path of the sound waves is broken, and more uniform sound energy distribution is realized.
Owner:BEIJING JIANYUAN DECORATION ENG DESIGN CO LTD
Virtual perception active noise control method based on sound velocity potential constraint in sleep cabin
The invention discloses a sound velocity potential constraint-based virtual perception active noise control method in a sleep cabin, which comprises the following steps of: arranging a secondary sound source, an error microphone and a reference microphone on the sleep cabin, and connecting the secondary sound source, the error microphone and the reference microphone to a digital signal processor; arranging a plurality of virtual microphones as reference points around the head of the user in the sleep cabin; modeling a secondary sound path and a virtual secondary sound path; adjusting the filter; taking the position of each virtual microphone as a virtual point, placing the real microphone at the virtual point to collect noise signals in the sleep cabin, and collecting external environment noise by the reference microphone; the digital signal processor filters the reference signals collected by all the reference microphones at each moment by using a control filter to obtain a control signal for driving the secondary sound source; the real microphone is removed, and the secondary sound source generates sound waves to the area surrounded by the virtual point based on the control signal, thereby forming a virtual sound barrier in the space surrounded by the virtual point.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Surface layer additional type sound insulation cocoon house and construction method thereof
PendingCN121897196AImprove barrier propertiesSolve the common problem of poor sound insulation effectCeilingsWallsFiberArchitectural acoustics
The invention provides a surface layer additional type sound insulation cocoon house and a construction method thereof, and belongs to the technical field of architectural acoustic transformation. The sound insulation cocoon house is defined by a ground floating construction layer, a wall damping construction layer and a top face elastic construction layer, and a six-face physical decoupling independent inner container space is constructed. A honeycomb particle damping module is adopted in the wall damping structure layer, the internal space is divided into micro units arranged in an array mode through a multi-stage honeycomb core framework, and the units are divided into an upper-stage sub-cavity and a lower-stage sub-cavity which are communicated through throttling necks. The sub-cavities are filled with composite damping particle groups composed of elastic polymer particles and rigid ceramic particles in a graded mode, and the surfaces of the sub-cavities are covered with micro-perforated skin plates. A non-linear particle damping mechanism is used for replacing traditional fiber viscous energy dissipation, energy can still be efficiently dissipated at the wall surface boundary with the weak sound wave particle speed, and the low and medium frequency sound insulation performance is remarkably improved; meanwhile, gravitational accumulation and hardening of particles are prevented through a graded bearing structure, and the long-term acoustic stability of the sound insulation cocoon house is ensured.
Owner:HUBEI SHIYU NEW BUILDING MATERIALS CO LTD
Variable acoustic coverage system for boundaries of rooms
The invention relates to an acoustic covering system for covering at least part of a boundary (B) of a room, the acoustic covering system being configured to provide variable sound absorption wherein the acoustic covering system comprises: a robust structure (2) configured to be attached to the boundary (B) such that the robust structure (2) and the boundary (B) form a space (S); and one or more panels (6) attached to the solid structure (2) and configured to selectively move relative to the solid structure (2) such that, in an open state of the acoustic covering system, one or more respective openings (45) are formed between the one or more panels (6) and the solid structure (2) on at least part of a periphery of the respective one or more panels (6), the acoustic covering system comprises one or more panels (6) and a boundary (B) to enable sound energy to pass through and reach sound absorbing means (12) within a space (S) between the one or more panels (6) and the boundary (B), where the sound energy is absorbed in the open state of the acoustic covering system when the acoustic covering system is installed to reduce the reverberation time RT in the room.
Owner:尼尔斯·维尔纳·阿德尔曼-拉森
A soundproof space design structure for a hidden room within a room in a door opening
ActiveCN116696126BClimate change adaptationNon-rotating vibration suppressionMechanical engineeringAcoustic insulation
Owner:GOLD MANTIS CONSTR DECORATION
Lifting device for adjusting theater acoustic effect
The invention discloses a lifting device for adjusting theater acoustic effect, which comprises mounting hangers fixed on two sides of a building wall, the bottoms of the two mounting hangers are respectively fixed with two ends of a connecting rod, two ends of the connecting rod are fixedly hung with housings through connecting fasteners, each housing is internally and fixedly provided with a mounting bracket, and the mounting brackets are fixedly connected with the connecting rod through connecting fasteners. A tubular motor is fixed to the upper portion of each mounting support, a winding drum is fixed between output shafts of the two tubular motors, and the upper end of an acoustic felt is fixed to the winding drum and used for winding the acoustic felt. A fixed roller is fixed between the left sides of the lower portions of the two installation supports, a rotary guide roller for guiding lifting of the acoustic felt is rotatably connected between the right sides of the lower portions of the two installation supports, the lower end of the acoustic felt surrounds a bottom carrier roller located below the rotary guide roller and then is fixed to the fixed roller, and a balance weight roller is hung at the bottom of the bottom carrier roller. The lifting device further comprises an electrical control system, and the electrical control system is used for controlling the two tubular motors so as to control lifting and stopping of the acoustic felt.
Owner:SHANGHAI CONSTRUCTION FOURTH CONSTRUCTION GROUP CO LTD