CN216475673U - Angular position low-frequency trap - Google Patents

Abstract

The application discloses an angular position low-frequency trap, which comprises a sound absorption cavity and a sandstone protective layer arranged on the outer surface of the sound absorption cavity; the sound absorption cavity comprises a panel and a side plate; the curb plate is provided with two sets ofly, and two sets of the curb plate respectively with the both sides of panel link to each other, the panel with two sets of the closed tube-shape cavity is enclosed to the curb plate, is right angle equilateral triangle from the top surface observation. Compared with the prior art, the angular position low-frequency trap provided by the application can effectively improve low-frequency response and enable sound to be clearer.

Description

Angular position low-frequency trap

Technical Field

The application relates to the technical field of architectural acoustics, in particular to an angular position low-frequency trap.

Background

In the modern decorative building industry, most of the works such as building design and construction are only considered, and after the building is finished, the phenomena of overlong reverberation time and serious echo exist in many occasions. In places such as operas, stadiums, stages, home theaters, entertainment centers, conference rooms, etc., high-power loudspeakers are usually used for playing, but when large-power loudspeakers are played, sound is disordered, echo is more serious, and the definition of language cannot be guaranteed.

In the prior art, sound absorption materials are generally adopted to control and adjust the reverberation time in a room and eliminate echoes so as to improve the listening condition in the room. The wall corner or 90-degree dead angle of a roof in places such as a video room, a recording studio, a movie theater, a HIFI sound room, a sound shop and the like easily generate low-frequency superposition and low-frequency vortex, so that the problems of sound superposition, turbidity, large echo, insufficient level sense and the like are caused.

Therefore, there is a need for an angular low frequency trap that can effectively improve low frequency response, diffuse medium and high frequencies, and make sound more clear.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the application provides an angular position low-frequency trap which can effectively improve low-frequency response, diffuse medium and high frequencies and enable sound to be clearer.

The technical scheme provided by the application is as follows:

the angular position low-frequency trap is characterized by comprising a sound absorption cavity and a sandstone protective layer arranged on the outer surface of the sound absorption cavity;

wherein,

the sound absorption cavity comprises a panel and a side plate;

the side plates are arranged in two groups, the two groups of side plates are respectively connected with two sides of the panel, and the panel and the two groups of side plates enclose a closed fan-shaped cavity.

Preferably, the panel is an arc-shaped panel protruding to a side far away from the side plate.

Preferably, the sound-absorbing cavity further comprises,

the closing piece is arranged on the outer side of the side plate and connected with the side plate and the corner of the panel.

Preferably, the method further comprises the step of,

and the low-frequency sound absorber is arranged in the sound absorption cavity and connected with the side plate.

Preferably, the low frequency sound absorber is provided with three groups at least, and the low frequency sound absorber is arranged along the length direction of the side plate at intervals.

Preferably, the low frequency sound absorber is specifically a silicon sand acoustic body, has high diffusion, full frequency channel sound absorption, and customizable pattern of breadth.

Preferably, the sandstone protective layer is a silicon sand sandstone protective layer.

Preferably, the connection between the panel and the side plate and between the side plate and the side plate is riveting, welding or gluing.

Preferably, the panel, comprises,

the four sections of solid wood frames are connected in sequence and form a closed quadrilateral solid wood frame in an enclosing manner;

the first sound absorber is arranged in the solid wood frame and fixedly connected with the solid wood frame.

Preferably, the side panels, including,

the four sections of decorative frames are connected in sequence and form a closed quadrilateral decorative frame in an enclosing manner;

and the second sound absorber is arranged in the decorative frame and is fixedly connected with the decorative frame.

The utility model provides an angle position low frequency trap, at first owing to be provided with sound absorption cavity and sandstone protective layer, wherein, the sound absorption cavity includes panel and curb plate, the curb plate is provided with two sets ofly, and two sets of curb plates link to each other with the both sides of panel respectively, panel and two sets of curb plates why become closed tube-shape cavity, the low frequency sound wave is from the tube-shape cavity on, the downside enters into in the sound absorption cavity, the low frequency sound wave of specific frequency range can be absorbed effectively to the sound absorption cavity, secondly, be provided with sandstone protective layer at the surface of sound absorption cavity, reflect and diffuse reflection through the sound wave in the sandstone protective layer to the sound absorption cavity, make the low frequency sound wave in the sound absorption cavity can more effectually be absorbed. Therefore, compare with prior art, the embodiment of the utility model provides an angle position low frequency trap can effectively improve the low frequency response, and the diffusion function is more excellent, makes sound more clear.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic diagram of an angular low-frequency trap structure according to an embodiment of the present invention;

fig. 2 is a front view of an angular low frequency trap provided by an embodiment of the present invention;

fig. 3 is a rear view of an angular low frequency trap according to an embodiment of the present invention.

Reference numerals: 1. a sound absorption cavity; 2. a sandstone protective layer; 3. a low frequency sound absorber; 11. a panel; 12. a side plate; 13 a cylindrical cavity; 14. a closing-in piece.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of a plurality of or a plurality of is two or more unless specifically limited otherwise.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.

The embodiment of the utility model provides an adopt progressive mode to write.

As shown in fig. 1, an embodiment of the present invention provides an angular low frequency trap, which includes a sound absorption cavity 1 and a sandstone protective layer 2 disposed on an outer surface of the sound absorption cavity 1; the sound absorption cavity 1 comprises a panel 11 and a side plate 12; the side plates 12 are provided with two groups, the two groups of side plates 12 are respectively connected with two sides of the panel 11, and the panel 11 and the two groups of side plates 12 enclose a closed cylindrical cavity 13.

In the prior art, low-frequency superposition and low-frequency vortex are easily generated at the corner of a wall or a 90-degree dead angle of a roof in places such as a video room, a recording studio, a movie theater, a HIFI sound room, a sound shop and the like, so that the problems of sound superposition, turbidity, large echo, insufficient layering and the like are caused.

The utility model provides an angle position low frequency trap, at first because be provided with sound absorption cavity 1 and sandstone protective layer 2, wherein, sound absorption cavity 1 includes panel 11 and curb plate 12, curb plate 12 is provided with two sets ofly, and two sets of curb plate 12 link to each other with panel 11's both sides respectively, panel 11 and two sets of curb plate 12 are closed tube-shape cavity 13 for what, the low frequency sound wave is from tube-shape cavity 13, the downside enters into sound absorption cavity 1 in, sound absorption cavity 1 can absorb specific frequency range's low frequency sound wave effectively, secondly, be provided with sandstone protective layer 2 at sound absorption cavity 1's surface, reflect and the diffuse reflection through sandstone protective layer 2 to the sound wave in sound absorption cavity 1, make the low frequency sound wave in the sound absorption cavity 1 can be absorbed more effectively.

Therefore, compared with the prior art, the embodiment of the utility model provides an angle position low frequency trap can effectively improve low frequency response, makes sound clearer.

In the above structure, as a more preferable embodiment, the panel 11 in the embodiment of the present invention may be a flat panel or an arc panel, and compared with the arc panel, the flat panel manufacturing process is more convenient.

As a more preferable embodiment, the panel 11 in this embodiment of the present invention is preferably an arc panel protruding to a side away from the side plate 12. Through the reflection of arc panel centering high frequency sound wave and diffuse reflection, make well high frequency sound wave multi-angle diffusion, more be favorable to improving the low frequency effect, the high frequency effect is better in the diffusion, makes the sound more clear.

In the above structure, as a more preferable embodiment, the included angle between the two sets of side plates 12 in the embodiment of the present invention is 90 degrees. Is convenient to be placed at the indoor corner and reduces the occupied space.

As a more preferred embodiment, the embodiment of the present invention provides a sandstone protective layer 2 with a decorative layer thereon, wherein the angular low-frequency trap is generally applied indoors, and the decorative layer is disposed on the surface of the sandstone cambered surface layer in order to improve the aesthetic degree of the angular low-frequency trap and combine the specific application scenario.

As a more preferable embodiment, the sandstone protective layer 2 in the embodiment of the present invention is preferably a silicon crystal sand sandstone protective layer.

In the above structure, as a more preferable embodiment, the sound absorption cavity 1 in the embodiment of the present invention further includes a closing member 14, wherein the closing member 14 is disposed outside the side plate 12, one side of the closing member 14 is connected to the side plate 12, and the other side is connected to the corner of the panel 11, so that the connection between the side plate 12 and the panel 11 is firmer. More specifically, the closing-in member 14 in the embodiment of the present invention is provided with four groups, and the four groups of closing-in members 14 are respectively provided at four corners of the panel 11.

Preferably, as a more preferred implementation mode, the angular low frequency trap in the embodiment of the present invention further includes a low frequency sound absorber 3, wherein the low frequency sound absorber 3 is disposed in the sound absorption cavity 1 and connected to the side plate 12, and the low frequency sound wave in the sound absorption cavity 1 is absorbed by disposing the low frequency sound absorber 3.

In the above structure, as a more preferable embodiment, the low frequency sound absorber 3 in the embodiment of the present invention is provided with at least three groups, and the low frequency sound absorber 3 is arranged along the length direction of the side plate 12 at intervals. By providing a plurality of groups of low frequency sound absorbers 3, low frequency sound waves can be absorbed more effectively.

In the above structure, as a more preferable embodiment, the low frequency sound absorber 3 in the embodiment of the present invention is specifically a silicon crystal acoustic body. The gravel on the surface of the silicon crystal sand acoustic body is extracted from natural gravel, and by utilizing the morphological characteristics of the gravel, the surface layer of micropores and polygonal surfaces is formed on the surface of the material in a polymerization manner to absorb redundant sound, so that the diffuse reflection of the sound is formed, the sound is diffused to each corner of the space, and the sound is clearer and more three-dimensional.

In the above structure, as a more preferable embodiment, in the embodiment of the present invention, the connection between the panel 11 and the side plates 12, between the side plates 12 and the side plates 12 is riveting, welding or gluing.

In the above structure, as a more preferable implementation manner, the panel 11 in the embodiment of the present invention includes four sections of solid wood frames connected in sequence and enclosing to form a closed quadrilateral solid wood frame; the setting is in the wood frame, with wood frame fixed connection's first sound-absorbing body, wherein, in above-mentioned structure, the embodiment of the utility model provides an in between first sound-absorbing body and the wood frame through screw fixed connection, further furtherly, the embodiment of the utility model provides an in first sound-absorbing body specifically be the glass cotton, constitute the panel that absorbs the low frequency sound wave through the glass cotton with the wood frame, it is better to the absorption effect of low frequency sound wave.

In the above structure, as a more preferable implementation manner, the side plate 12 in the embodiment of the present invention includes four sections of decorative frames connected in sequence and enclosing to form a closed quadrilateral decorative frame; the setting is in decorative frame, and with decorative frame fixed connection's second sound absorber, through screw fixed connection between second sound absorber and the decorative frame in the embodiment of the utility model provides an even further, the utility model provides an in the embodiment of the second sound absorber specifically be glass cotton, constitute the curb plate that absorbs the low frequency sound wave through glass cotton and decorative frame, it is better to the absorption effect of low frequency sound wave.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The angle position low-frequency trap is characterized by comprising a sound absorption cavity (1) and a sandstone protective layer (2) arranged on the outer surface of the sound absorption cavity (1);

wherein,

the sound absorption cavity (1) comprises a sound absorption cavity body,

a panel (11) and a side panel (12);

the side plates (12) are provided with two groups, the two groups of side plates (12) are respectively connected with two sides of the panel (11), and the panel (11) and the two groups of side plates (12) enclose a closed cylindrical cavity (13).

2. The angular low frequency trap of claim 1,

the panel (11) is an arc-shaped panel which protrudes towards one side far away from the side plate (12).

3. The angular low frequency trap of claim 2,

the sound absorption cavity (1) also comprises a sound absorption cavity body,

and the closing piece (14) is arranged on the outer side of the side plate (12) and is connected with the folded corner of the panel (11).

4. The angular low frequency trap of claim 2,

also comprises the following steps of (1) preparing,

and the low-frequency sound absorber (3) is arranged in the sound absorption cavity (1) and is connected with the side plate (12).

5. The angular low frequency trap of claim 4,

the low-frequency sound absorber (3) is at least provided with three groups, and the low-frequency sound absorber (3) is arranged along the length direction of the side plate (12) at intervals.

6. The angular low frequency trap of claim 5,

the low-frequency sound absorber (3) is a silicon sand acoustic body.

7. The angular low frequency trap of any one of claims 1 to 6,

the sandstone protective layer (2) is specifically a silicon crystal sand sandstone protective layer.

8. The angular low frequency trap of any one of claims 1 to 6,

the panel (11) and the side plates (12) and the two groups of side plates (12) are connected by riveting, welding or gluing.

9. The angular low frequency trap of any one of claims 1 to 6,

the panel (11) comprises, in combination,

the four sections of solid wood frames are connected in sequence and form a closed quadrilateral solid wood frame in an enclosing manner;

the first sound absorber is arranged in the solid wood frame and fixedly connected with the solid wood frame.

10. The angular low frequency trap of any one of claims 1 to 6,

the side plate (12) comprises a plurality of side plates,

the four sections of decorative frames are connected in sequence and form a closed quadrilateral decorative frame in an enclosing manner;

and the second sound absorber is arranged in the decorative frame and is fixedly connected with the decorative frame.

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