Sound box horn

Abstract

The utility model relates to the technical field of sound box horns, in particular to a sound box horn, which comprises a sound guide cylinder, a sound inlet arranged at one end of the sound guide cylinder and a sound outlet arranged at the other end of the sound guide cylinder, and is characterized in that the sound guide cylinder comprises horizontal sound guide parts respectively arranged at the left side and the right side and vertical sound guide parts respectively arranged at the upper end and the lower end; the horizontal sound guide part and the vertical sound guide part are gradually-changed curved surfaces, the curvature of the gradually-changed curved surfaces gradually increases in the direction from the sound inlet to the sound outlet, the middle position of the top of the vertical sound guide part protrudes inwards to form an arched sound guide part, and the curvature of the middle position of the arched sound guide part is larger than the curvatures of the two sides of the arched sound guide part; according to the utility model, a vertical sound propagation path can be prolonged, a horizontal sound propagation path and the vertical sound propagation path are ensured to be equal in length, wavefront distortion can be effectively reduced, and the sound quality of the sound box is improved.

Description

Technical fields:

[0001] This utility model relates to the field of speaker horn technology, and in particular to a speaker horn. Background technology:

[0002] A horn is a sound amplification product, typically used in speakers, loudspeakers, and other amplification equipment. A horn can concentrate and amplify sound energy, allowing the sound to maintain a high volume and clarity even when it travels over long distances.

[0003] In the prior art, such as Chinese utility model patent application number CN202220329465.1, a high-frequency diffusion horn is disclosed, including a sound guide tube, an inlet located at one end of the sound guide tube, and an outlet located at the other end of the sound guide tube. When the high-frequency diffusion horn is used, because its horizontal sound propagation path is much longer than its vertical sound propagation path, it is prone to wavefront distortion and will cause the sound quality of the speaker to be greatly reduced. Utility model content:

[0004] The purpose of this invention is to provide a speaker horn that addresses the shortcomings of existing technologies, thereby extending the vertical sound propagation path and ensuring that the horizontal sound propagation path is of equal length to the vertical sound propagation path. This effectively reduces wavefront distortion and improves the sound quality of the speaker.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a speaker horn, including a sound guide tube, an inlet located at one end of the sound guide tube, and an outlet located at the other end of the sound guide tube. The sound guide tube includes horizontal sound guides located on the left and right sides and vertical sound guides located at the top and bottom ends. The horizontal and vertical sound guides are gradually increasing curved surfaces with curvatures that gradually increase along the direction from the inlet to the outlet. An arched sound guide is formed by protruding inward at the middle position of the top of the vertical sound guide. The curvature at the middle position of the arched sound guide is greater than the curvature at the two sides of the arched sound guide.

[0006] A further improvement to the above solution is that the bottom of the sound guide tube is provided with a mounting plate, and the mounting plate is provided with multiple bottom mounting holes.

[0007] A further improvement to the above solution is that a horizontal sound-guiding reinforcing rib is provided between the horizontal sound guide and the mounting plate.

[0008] A further improvement to the above solution is that a vertical sound guiding rib is provided between the vertical sound guiding part and the mounting plate.

[0009] A further improvement to the above solution is that the top of the sound guide tube is provided with an outer edge, and the outer edge is provided with multiple top mounting holes.

[0010] A further improvement to the above scheme is that the cross-sectional shape of the sound guide tube at the arched sound guide position is two symmetrical C-shapes.

[0011] The beneficial effects of this utility model are as follows: This utility model provides a speaker horn, including a sound guide tube, an inlet at one end of the sound guide tube, and an outlet at the other end of the sound guide tube. The sound guide tube includes horizontal sound guides located on the left and right sides and vertical sound guides located at the top and bottom ends. The horizontal and vertical sound guides are gradually increasing curved surfaces with curvatures that gradually increase along the direction from the inlet to the outlet. An arched sound guide is formed by protruding inward at the middle position of the top of the vertical sound guide. The curvature at the middle position of the arched sound guide is greater than the curvature at the two sides of the arched sound guide.

[0012] Compared to existing traditional speaker horns, this invention guides sound propagation by having horizontal sound propagation along a gradually curved horizontal guide section and vertical sound propagation along a gradually curved vertical guide section. Vertical sound propagates in an arc along both sides of the arched guide section, which can extend the vertical sound propagation path and ensure that the horizontal sound propagation path is the same length as the vertical sound propagation path. This can effectively reduce wavefront distortion and improve the sound quality of the speaker. Attached image description:

[0013] Figure 1 This is a schematic diagram of the structure of this utility model.

[0014] Figure 2 This is a structural schematic diagram from another perspective of the present invention.

[0015] Figure 3 This is a cross-sectional structural diagram of the present invention.

[0016] Explanation of reference numerals in the attached drawings: 1. Sound guide tube; 2. Sound inlet; 3. Sound outlet; 4. Horizontal sound guide section; 5. Vertical sound guide section; 6. Arched sound guide section; 7. Mounting plate; 8. Bottom mounting hole; 9. Horizontal sound guide reinforcing rib; 10. Vertical sound guide reinforcing rib; 11. Outer edge; 12. Top mounting hole. Detailed implementation method:

[0017] The present invention will be further described below with reference to the accompanying drawings, such as... Figure 1-3As shown, this utility model includes a sound guide tube 1, a sound inlet 2 disposed at one end of the sound guide tube 1, and a sound outlet 3 disposed at the other end of the sound guide tube 1. The sound guide tube 1 includes horizontal sound guide parts 4 located on the left and right sides respectively, and vertical sound guide parts 5 located at the top and bottom ends respectively. The horizontal sound guide parts 4 and the vertical sound guide parts 5 are gradually increasing curved surfaces with curvatures that gradually increase along the direction from the sound inlet 2 to the sound outlet 3. An arched sound guide part 6 is formed by protruding inward at the middle position of the top of the vertical sound guide part 5. The curved surface at the middle position of the arched sound guide part 6 is formed by... The curvature is greater than that at the positions on both sides of the arched sound guide 6. Compared with the existing traditional speaker horn, when guiding and propagating sound, the horizontal sound propagates along the horizontal sound guide 4 with a gradually curved surface, and the vertical sound propagates along the vertical sound guide 5 with a gradually curved surface. The vertical sound will propagate in an arc along both sides of the arched sound guide 6, which can extend the vertical sound propagation path and ensure that the horizontal sound propagation path is the same length as the vertical sound propagation path. This can effectively reduce wavefront distortion and improve the sound quality of the speaker.

[0018] The bottom of the sound tube 1 is provided with a mounting plate 7, which has multiple bottom mounting holes 8. The sound tube 1 can be easily connected and fixed to the speaker through the bottom mounting holes 8 on the mounting plate 7.

[0019] A horizontal sound guide rib 9 is provided between the horizontal sound guide part 4 and the mounting plate 7. The horizontal sound guide rib 9 can improve the structural stability of the horizontal sound guide part 4 and make it less prone to vibration, thereby improving the quality of the high frequency.

[0020] A vertical sound guide rib 10 is provided between the vertical sound guide 5 and the mounting plate 7. The vertical sound guide rib 10 can improve the structural stability of the vertical sound guide and make it less prone to vibration, thereby improving the quality of the high frequency.

[0021] The top of the sound tube 1 is provided with an outer edge 11, and the outer edge 11 is provided with multiple top mounting holes 12. The sound tube 1 is easily connected and fixed to the speaker through the top mounting holes 12 on the outer edge 11.

[0022] The cross-sectional shape of the sound guide tube 1 at the position of the arched sound guide part 6 is two symmetrical C-shapes. This utility model has the characteristics of constant directionality, equal phase, low distortion point sound source waveguide, which can well guarantee the high-frequency effect.

[0023] Of course, the above description is only a preferred embodiment of the present utility model. Therefore, all equivalent changes or modifications made to the structure, features and principles described in the claims of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A speaker horn, characterized in that: The device includes a sound guide tube (1), an inlet (2) located at one end of the sound guide tube (1), and an outlet (3) located at the other end of the sound guide tube (1). The sound guide tube (1) includes horizontal sound guide parts (4) located on the left and right sides respectively, and vertical sound guide parts (5) located at the top and bottom ends respectively. The horizontal sound guide parts (4) and the vertical sound guide parts (5) are gradually curved surfaces with increasing curvature along the direction from the inlet (2) to the outlet (3). An arched sound guide part (6) is formed by protruding inward at the middle position of the top of the vertical sound guide part (5). The curvature at the middle position of the arched sound guide part (6) is greater than the curvature at the two sides of the arched sound guide part (6).

2. A speaker horn according to claim 1, characterized in that: The bottom of the sound guide tube (1) is provided with a mounting plate (7), and the mounting plate (7) is provided with multiple bottom mounting holes (8).

3. A speaker horn according to claim 2, characterized in that: A horizontal sound-guiding reinforcing rib (9) is provided between the horizontal sound guide (4) and the mounting plate (7).

4. A speaker horn according to claim 2, characterized in that: A vertical sound guiding rib (10) is provided between the vertical sound guiding part (5) and the mounting plate (7).

5. A speaker horn according to claim 1, characterized in that: The top of the sound guide tube (1) is provided with an outer edge (11), and the outer edge (11) is provided with a plurality of top mounting holes (12).

6. A speaker horn according to claim 1, characterized in that: The cross-sectional shape of the sound guide tube (1) at the position of the arched sound guide part (6) is two symmetrical C-shapes.

Images