116results about "Room acoustics" patented technology

Provided is a radio wave reflector that can reflect radio waves while the intensity thereof is maintained and that can maintain the scenery. The radio wave reflector of the present invention is a radio wave reflector for reflecting radio waves, wherein the intensity of a reflective wave as specular reflection of an incident wave is −30 dB or more relative to the intensity of the incident wave at a frequency, and the radio wave reflector has a total light transmittance of 65% or more as measured using a standard illuminant D65.

The invention belongs to the technical field of indoor acoustic effects, and discloses a sound reflecting plate structure for an indoor ceiling and a mounting method of the sound reflecting plate structure. A top plate; the first lap joint edge and the second lap joint edge form a lap joint seam, the surface modeling of the spherical panel is of a water ripple mechanism, and the spherical panel is used for reflecting transmitted sound waves and diffusing the sound waves in a divergent mode; the lapped seam is filled with the first filling material, so that the spherical plate is matched with the top plate to wrap the frame; the spherical plate, the top plate and the first filling material are all made of GRG materials. The sound reflecting plate is designed into a unique water ripple mechanism shape and a specific curved surface subjected to acoustic calculation, and the GRG material with more excellent acoustic performance is adopted, so that the sound field strength is improved, the low-frequency absorption is relatively small, the reverberation time and the sound surrounding feeling in the auditory hall are improved, and the sound quality of the auditory hall is improved. And the early-stage reflected sound and the later-stage reflected sound are balanced, so that a pure natural sound environment is realized.

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.

The utility model belongs to the technical field of gas film buildings, and particularly relates to a gas film structure capable of effectively reducing sound focusing in a gas film, which comprises a gas film, a steel wire rope, a sound-absorbing plate and a reinforcing rope, a plurality of hanging rings are arranged at the top of the gas film, one end of the steel wire rope is connected with the hanging rings in a hanging manner, and the other end of the steel wire rope is connected with the sound-absorbing plate in a hanging manner. The adjacent sound absorption plates are arranged in an up-down staggered mode, and the reinforcing rope is connected with a plurality of steel wire ropes in a tying and hanging mode. The plurality of sound-absorbing plates which are arranged in an up-down staggered manner can enable part of sound waves reflected by the upper sound-absorbing plate to be reflected by the lower sound-absorbing plate again, so that the sound waves are absorbed for multiple times, and the sound attenuation effect is effectively improved; a plurality of steel wire ropes can be connected into a whole through the reinforcing ropes, and the hanging stability of the acoustic board is improved.

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.

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.

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).

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.

The present application provides a music space tunnel design structure, including: a tunnel body, the two ends of the tunnel body along its own length direction are open structures, the bottom of the tunnel body is provided with an open surface, and the open surface is fixed to the floor; the tunnel body is spliced ​​and arranged by a plurality of shell parts, and two adjacent shell parts are inserted and arranged, and the outer peripheral surface of the tunnel body is provided with support ribs and connecting components, the length direction of the support ribs is consistent with the length direction of the tunnel body, and a plurality of the support ribs are fixed on the outer peripheral surface of the tunnel body in parallel and at intervals; the two ends of the connecting component are respectively fixed on two adjacent support ribs; the connecting component and / or the support ribs are provided with an arched protrusion. The technical effect of the present application is that a plurality of shell parts are spliced ​​and arranged to complete the splicing and installation of the tunnel body, which has the advantage of high construction efficiency.

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.

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.

The invention belongs to the technical field of acoustics, and discloses an anechoic chamber hoist crane covering acoustic structure which comprises an acoustic transmission perforated plate lower portion, acoustic transmission perforated plate side portions are symmetrically distributed at the two ends of the acoustic transmission perforated plate lower portion, a hanging rod is fixedly connected to the middle of the top of the acoustic transmission perforated plate lower portion, and a hanging ring is fixedly installed at the top of the hanging rod. The two side walls of the top end of the hanging rod are fixedly connected with balance supporting rods. Compared with a traditional hoist crane which is exposed at the top of an anechoic chamber, the hoist crane has the advantages that through the arrangement of the lower part of the sound-transmitting perforated plate and the side part of the sound-transmitting perforated plate, the design of the structure and the material, and the arrangement of the suspender, the hoisting ring and the balance supporting rod, the hoisting efficiency is improved; the whole device has the advantages of being simple in structure, convenient and fast to install and use, perfect in appearance and high in integrating degree with the anechoic chamber, the sound field environment of the anechoic chamber is guaranteed, meanwhile, the requirement for hoisting of the anechoic chamber can be met, and therefore the using effect of the anechoic chamber is guaranteed.

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.

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.

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.

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.

The utility model relates to an acoustic micro-diffusion structure of a wall building, which comprises a plurality of independent micro-diffusers, and the sound energy reflection condition of the acoustic micro-diffusion structure of the wall building can be flexibly adjusted by adjusting the sectional dimensions of the independent micro-diffusers and the spacing of the independent micro-diffusers. According to the acoustic micro-diffusion structure of the wall building, the sound diffusion effect of a smooth surface is improved, the sound reflection direction of sound energy incident to the base wall is changed by arranging the independent micro-diffusers with different depths and widths, the micro-diffusion effect is achieved, and the sound diffusion effect is improved. Meanwhile, the problem that attractiveness is affected by uneven wall plastering (especially an arc-shaped wall) is solved, the construction mode is simple, construction materials are common, on-site machining is convenient and fast, and the manufacturing cost is low.

The utility model relates to the technical field of suspended ceilings, and provides a combined hollow light-transmitting plate which comprises a plate body frame, and a plurality of light-transmitting holes are formed in the plate body frame in a penetrating mode. A plurality of function parts are further arranged in the plate body frame and used for achieving sound reflection or sound diffusion, and the light holes and the function parts are arranged side by side and jointly form an inner decoration face of the plate body frame. According to the scheme, the light-transmitting holes are formed in the plate body frame, and the daily auxiliary light-transmitting function of the light-transmitting plate can be conveniently achieved; by arranging the function part, the light-transmitting plate can have a sound reflection or sound diffusion function in use, so that the integration of an acoustic effect on the light-transmitting plate is conveniently realized, the functions of the light-transmitting plate can be more diversified, and the diversified consumption requirements of consumers are met.

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.

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.

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

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.

The utility model discloses a stage sound reflecting cover plate which comprises a base, the upper end of the base is fixedly connected with two supporting frames, the inner sides of the supporting frames are fixedly connected with mounting blocks, the other ends of the mounting blocks are fixedly connected with U-shaped frames, the other ends of the U-shaped frames are fixedly connected with first sound reflecting plates, and the other ends of the first sound reflecting plates are fixedly connected with second sound reflecting plates. The lower end of the first sound reflecting plate is rotatably connected with a third sound reflecting plate, the first sound reflecting plate is internally provided with a limiting groove, the limiting groove is internally and movably connected with second sound reflecting plates, and the second sound reflecting plates at the two ends can be pulled out by arranging the limiting groove, a first sliding groove, a first sliding block, a first plug pin and a first groove; a fourth sound reflecting plate can be pulled out by arranging a U-shaped frame, a second sliding groove, a second sliding block, a second plug pin and a second groove, the coverage area of the whole stage sound reflecting plate can be increased, the overall use feeling of the stage sound reflecting plate is improved, the stage sound reflecting plate can be conveniently stored, and the stage sound reflecting plate is more flexible to use.

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.

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.

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.

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.