CN213426462U

CN213426462U - High-frequency vertical axis asymmetric point sound source array beam control horn

Info

Publication number: CN213426462U
Application number: CN202022729263.XU
Authority: CN
Inventors: 林敏�
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-06-11
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a high-frequency vertical axis asymmetric point sound source array beam control horn, which comprises a horn body, wherein the horn body comprises a first vertical direction angle and a second vertical direction angle which are divided by taking a central axis as a boundary; the first vertically directed angle is 5-20 degrees and the second vertically directed angle is 40-50 degrees. Therefore, the wide coverage area of the medium and long distances of the large sound pressure is satisfied, the sound dryness caused by ceiling reflection is effectively controlled and reduced, and the waste of sound energy is avoided. In addition, the horn body consists of the first part and the second part, so that the die is simplified, the manufacturing cost is effectively controlled, and the feasibility of the manufacturing process is improved. Therefore, the utility model is worth popularizing and applying.

Description

High-frequency vertical axis asymmetric point sound source array beam control horn

Technical Field

The utility model relates to a sound equipment high frequency beam control technical field specifically is a high frequency vertical axis asymmetric point sound source array beam control bugle.

Background

The horn is a radiator of a special shape arranged in front of the horn, and can compress and amplify high-frequency sound waves and restrain and change the propagation direction. The length of the horn, as well as the size of the opening, affects the lowest frequency cut-off point that the horn can produce, closely correlating with the fundamental acoustic characteristics of the horn. Most of sound box horns on the market are in a conventional horn mouth shape from small space to large space, and play a role in directional transmission of sound and change of sound pressure of a specific frequency band. At present, sound boxes in professional public address markets mostly use symmetric constant-pointing horns in the horizontal and vertical directions. In practical use, most of upward sound is projected to a space above the ears of a person due to common sound amplification phenomenon, so that not only is sound waste generated, but also the sound is easily reflected by a reflecting surface on a building, and thus the sound interference is caused.

The horn functional characteristics on the market are almost that the radiation sound field is controlled by the wave beam aiming at spherical waves of a point sound source, the radiation field still presents a spherical wave diffusion field, serious sound energy waste is generated for medium and long distance sound coverage, and the problem of mutual serious sound interference is easy to occur for the application of multi-system combined functions; the problems of poor remote off-axis response, excessive attenuation, unstable sound image caused by phase difference and the like cannot meet the requirements of occasions with high requirements on accurate positioning of sound in coverage, uniformity of a sound field and the like, so that the problems are solved; this requires continuous innovative optimization in the design of the loudspeaker system.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an asymmetric point sound source array beam control bugle of high frequency vertical axis to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-frequency vertical axis asymmetric point sound source array beam control horn comprises a horn body, wherein the horn body comprises a first vertical pointing angle and a second vertical pointing angle which are divided by taking a central axis as a boundary; wherein the first vertically pointing angle is 5-20 degrees.

As the utility model discloses a preferred technical scheme: the horn body further comprises a first part and a second part, and the first part and the second part are structurally consistent.

As the utility model discloses a preferred technical scheme: the first part and the second part are both provided with connecting plates, and threaded holes are formed in the connecting plates.

As the utility model discloses a preferred technical scheme: the second vertically directed angle is 40-50 degrees.

As the utility model discloses a preferred technical scheme: the first vertically directed angle is 20 degrees.

As the utility model discloses a preferred technical scheme: the second vertically directed angle is 45 degrees.

As the utility model discloses a preferred technical scheme: the bugle body still includes sound source sound input port, just sound source sound input port is rectangle mouthful cylindrical wave sound input port.

Adopt above-mentioned technical scheme, the beneficial effects of the utility model are that: the angle of the first vertical pointing angle is 5-20 degrees, so that the wide coverage area of a medium and long distance under large sound pressure is met, the noise dryness caused by ceiling reflection is effectively controlled and reduced, and the waste of sound energy is avoided.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the second part of the present invention;

fig. 3 is a horizontal axis wave beam simulation parameter diagram of the present invention;

fig. 4 is a vertical axis beam simulation parameter diagram of the present invention;

fig. 5 is a diagram of the actual measurement parameters of the horizontal axis beam according to the present invention;

fig. 6 is a vertical axis beam actual measurement parameter diagram of the present invention;

fig. 7 is a schematic view of the front structure of the main body of the present invention;

fig. 8 is a schematic rear view structure of the present invention.

In the figure: 1. a first portion; 2. a second portion; 3. a connecting plate; 4. a threaded hole; 5. a central axis; 6. a first vertically directed angle; 7. a second vertically directed angle; 8. a sound source sound input port.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "upper surface", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-6, the present invention provides an embodiment: a high-frequency vertical axis asymmetric point sound source array beam control horn comprises a horn body, wherein the horn body comprises a first vertical pointing angle 6 and a second vertical pointing angle 7 which are divided by taking a central axis 5 as a boundary; wherein the first vertically directed angle 6 is 5-20 degrees.

The angle of the first vertical pointing angle 6 is 5-20 degrees, so that the requirement of a large sound pressure medium-distance and long-distance wide coverage area is met, the noise dryness caused by ceiling reflection is effectively controlled and reduced, and the sound energy waste is avoided.

In addition, the loudspeaker system matched with the horn body fully meets the requirement of a matrix array loudspeaker system.

The horn body further comprises a first part 1 and a second part 2, and the first part 1 and the second part 2 are consistent in structure, so that the design of a die for manufacturing the horn body is simplified, the manufacturing cost of the horn body is effectively controlled, and the feasibility of a process for manufacturing the horn body is improved.

In order to further facilitate the installation of the device and the audio equipment, the first part 1 and the second part 2 are both provided with connecting plates 3, and the connecting plates 3 are provided with threaded holes 4.

The second vertical pointing angle 7 is 40-50 degrees, and the second vertical pointing angle 7 is 40-50 degrees, so that the wide coverage area of large sound pressure near, middle and far distances is further satisfied; in addition, the second vertical pointing angle is 40-50 degrees, the wide coverage internal smooth transition of near, middle and far distances can be met, and the coverage of cylindrical waves greatly reduces the problem of unstable sound images.

Wherein, when the angle of the first perpendicular pointing angle 6 is 20 degrees, the advantage of a long-distance wide coverage area is most obvious in a large sound pressure.

Wherein, in order to further enhance the advantage of the device of large sound pressure near-mid range distance wide coverage, the second vertical pointing angle 7 is 45 degrees.

Because the bugle body still includes sound source sound input port 8, just sound source sound input port 8 is rectangle mouthful cylindrical wave sound input port, can conveniently dock adaptation plane sound source linear array waveguide and belt high frequency unit, directly carries out accurate efficient beam control to cylindrical wave sound source, and the steerable strong pointing in 22-28 degrees of horizontal directional angle. The horizontal pointing angle is an angle in the direction of the sound output end Y in fig. 7, and the end face of the sound output end is square.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. A high-frequency vertical axis asymmetric point sound source array beam control horn is characterized in that: the horn comprises a horn body, wherein the horn body comprises a first vertical direction angle (6) and a second vertical direction angle (7) which are divided by taking a central axis (5) as a boundary; wherein the first vertically directed angle (6) has an angle of 5-20 degrees.

2. The high frequency vertical axis asymmetric point source array beam steering horn of claim 1, wherein: the horn body further comprises a first part (1) and a second part (2), and the first part (1) and the second part (2) are consistent in structure.

3. The high frequency vertical axis asymmetric point source array beam steering horn of claim 2, wherein: the first part (1) and the second part (2) are both provided with connecting plates (3), and threaded holes (4) are formed in the connecting plates (3).

4. A high frequency vertical axis asymmetric point source array beam steering horn as claimed in claim 1 or 2 or 3 wherein: the second vertically directed angle (7) is 40-50 degrees.

5. A high frequency vertical axis asymmetric point source array beam steering horn as claimed in claim 1 or 2 or 3 wherein: the first vertically directed angle (6) has an angle of 20 degrees.

6. The high frequency vertical axis asymmetric point source array beam steering horn of claim 5, wherein: the second vertically directed angle (7) is 45 degrees.

7. The high frequency vertical axis asymmetric point source array beam steering horn of claim 6, wherein: the horn body still includes sound source sound input port (8), just sound source sound input port (8) are rectangle mouthful cylindrical wave sound input port.