Compression structure of moving-coil alto loudspeaker

Abstract

The utility model relates to the technical field of electroacoustic sound amplification, in particular to a compression structure of a moving-coil alto loudspeaker, which comprises a rear cover, a loudspeaker is arranged in the rear cover, a disc rack is arranged on the rear cover, mounting holes are arranged on the disc rack, a fixed disc is clamped on the disc rack firstly, a sound cone block is matched with a compression gap formed by a grid sheet, and the compression gap is clamped on the disc rack; when the loudspeaker is used, sound emitted by the loudspeaker can enter the compression inlet through the gap between the vibrating diaphragm and the sound cone block, and then the sound cone block and the grid piece are matched to compress the sound, so that the sound is compressed, and the sound quality is improved. The intermediate-frequency sound pressure can be improved during compression and loading compression, the transient speed of the intermediate frequency can also be improved, so that clearer intermediate-frequency texture is obtained, the intermediate-frequency texture is permanently improved, and the acoustic structure is low in cost and does not need to be high in cost.

Description

Technical Field

[0001] The utility model relates to the technical field of electroacoustic sound amplification, in particular to a compression structure of a dynamic mid-range loudspeaker. Background Art

[0002] At present, speaker products, especially dynamic speaker products, do not have a compressed acoustic structure in front of the sound-generating front of the mid-range unit. Retaining this compression and then using the horn diffusion method can effectively increase the sound pressure level of the speaker and immediately achieve a longer-range sound amplification. This method often appears on professional stage speakers. With the development of society, people's requirements for audio products are constantly increasing, especially outdoor performance speakers, which require louder sound, better sound quality, and farther transmission.

[0003] Therefore, it is necessary to update the sound structure of the mid-range unit. There is an urgent need for a speaker that can ensure that the mid-range unit has a louder sound and better sound quality while keeping the power unchanged. Utility Model Content

[0004] (1) Technical problems solved

[0005] In view of the deficiencies in the prior art, the utility model provides a compression structure of a dynamic mid-range loudspeaker.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a compression structure of a dynamic mid-range loudspeaker, comprising a back cover, a loudspeaker is arranged inside the back cover, a disc frame is provided on the back cover, a mounting hole is provided on the disc frame, a diaphragm is provided on one side of the back cover, a fixed disc is provided on the side of the back cover, a grid piece is provided on the fixed disc, a sound cone block is provided in the middle of the grid piece, the sound cone block is located on the side of the diaphragm, a compression gap is formed between the grid piece and the sound cone block, a front cover is provided on one side of the back cover, the front cover is located on the side of the sound cone block, a connecting hole is provided on the front cover, the connecting hole is opposite to the mounting hole, a connecting disc is provided on one side of the front cover, a compression outlet is provided on the connecting disc, the compression outlet is communicated with the front cover, a horn is provided on the connecting disc, and the horn is communicated with the compression outlet.

[0008] Furthermore, the present invention is improved in that a group of gaps with a distance of millimeters are formed between the diaphragm and the sound cone block, and a compression inlet is formed between the compression gaps.

[0009] Furthermore, the present invention is improved in that a plurality of grid sheets are provided and are evenly arranged between the sound cone block and the fixed plate.

[0010] Furthermore, the present invention is improved in that the plurality of grid pieces and the sound cone blocks are all made of solid material.

[0011] Furthermore, the present invention is improved in that the front cover and the connecting plate are an integrated structure, and the horn and the connecting plate are connected by bolts.

[0012] Furthermore, the present invention is improved in that the fixed disk and the disk rack are connected by snapping.

[0013] Furthermore, the present invention is improved in that the horn adopts a conical structure.

[0014] (3) Beneficial effects

[0015] Compared with the prior art, the present invention provides a compression structure of a dynamic midrange loudspeaker, which has the following beneficial effects:

[0016] The compression structure of the dynamic midrange speaker first places the fixed disk on the disk frame, so that the sound cone block cooperates with the grid piece to form a compression gap, and cooperates with the gap between the sound cone block and the diaphragm to form a compression inlet, then the front cover is installed on the disk frame, and finally the horn is installed on the connecting disk. During use, the sound emitted by the speaker will enter the compression inlet through the gap between the diaphragm and the sound cone block, and then cooperate with the sound cone block and the grid piece to compress the sound, and then enter the inside of the horn through the compression outlet. In addition to increasing the sound pressure of the mid-frequency during compression and loading compression, it can also increase the transient speed of the mid-frequency, thereby obtaining a clearer mid-frequency texture, and the improvement is permanent. This acoustic structure is not expensive, does not require expensive costs, and can obtain the high-value innovation of the industrial design of the speaker appearance. In actual application, it can obtain many advantages, improve audio quality, increase sound transmission distance, save energy, and increase service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 Schematic diagram of the structure at the middle back cover;

[0019] Figure 3 For this utility model Figure 2 Schematic diagram of the internal structure;

[0020] Figure 4 For this utility model Figure 3 Schematic diagram of the disassembled structure;

[0021] In the figure: 1. Back cover; 2. Horn; 3. Front cover; 4. Cone block; 5. Diaphragm; 6. Disc frame; 7. Grid; 8. Compression gap; 9. Fixed disc; 10. Compression outlet; 11. Connection hole; 12. Connection disc. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-4 A compression structure of a dynamic midrange loudspeaker, comprising a back cover 1, a loudspeaker is arranged inside the back cover 1, a disc frame 6 is provided on the back cover 1, a mounting hole is provided on the disc frame 6, a diaphragm 5 is provided on one side of the back cover 1, a fixed disc 9 is provided on the side of the back cover 1, a grid piece 7 is provided on the fixed disc 9, a sound cone block 4 is provided in the middle of the grid piece 7, the sound cone block 4 is located on the side of the diaphragm 5, a compression gap 8 is formed between the grid piece 7 and the sound cone block 4, a front cover 3 is provided on one side of the back cover 1, the front cover 3 is located on the side of the sound cone block 4, the front cover A connecting hole 11 is provided on the cover 3, and the connecting hole 11 is opposite to the mounting hole. A connecting plate 12 is provided on one side of the front cover 3, and a compression outlet 10 is provided on the connecting plate 12, and the compression outlet 10 is communicated with the front cover 3. A horn 2 is provided on the connecting plate 12, and the horn 2 is communicated with the compression outlet 10. A group of gaps with a distance of 6 mm are formed between the diaphragm 5 and the sound cone block 4, and a compression inlet is formed between the compression gap 8 and the gap. A plurality of grid plates 7 are provided, and are evenly arranged between the sound cone block 4 and the fixed plate 9. The horn 2 adopts a conical structure.

[0024] In actual use of the above structure, first place the fixing plate 9 on the plate frame 6 so that the sound cone block 4 is located above the diaphragm 5, and a gap of 6 mm is formed between the diaphragm 5 and the sound cone block 4, and a compression inlet is formed in conjunction with the compression gap 8 between the sound cone block 4 and the grid piece 7. Then, buckle the front cover 3 on the plate frame 6, and use bolts to connect and fix the connecting hole 11 and the mounting hole. Finally, install the horn 2 on the connecting plate 12 of the front cover 3, and the compression outlet 10 is connected to the horn 2. When in use, the speaker in the rear cover 1 The generated sound will enter the compression inlet through the gap between the diaphragm 5 and the sound cone block 4, and then enter the compression outlet 10 through the compression guide of the grid piece 7 and the sound cone block 4, and finally be transmitted through the horn 2. Without increasing the amplification power of the power amplifier, the sound is compressed and loaded by the sound cone block 4 and the grid piece 7. In addition to increasing the sound pressure of the intermediate frequency, it can also increase the transient speed of the intermediate frequency, thereby obtaining a clearer intermediate frequency texture. In actual application, it can obtain many advantages, improve audio quality, increase sound transmission distance, save energy consumption, and increase service life.

[0025] In this embodiment, the plurality of grid pieces 7 and the sound cone block 4 are all made of solid material, which improves the practicality of the grid pieces 7 and the sound cone block 4.

[0026] In this embodiment, the front cover 3 and the connecting plate 12 are an integrated structure, and the horn 2 and the connecting plate 12 are connected with bolts, which facilitates the installation or removal of the horn 2.

[0027] In this embodiment, the fixed disk 9 and the disk frame 6 are snap-fitted to facilitate installation of the fixed disk 9 .

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A compression structure of a dynamic midrange loudspeaker, characterized by: The invention comprises a back cover (1), wherein a speaker is arranged inside the back cover (1), a disc rack (6) is arranged on the back cover (1), a mounting hole is arranged on the disc rack (6), a diaphragm (5) is arranged on one side of the back cover (1), a fixed disc (9) is arranged on the side of the back cover (1), a grid sheet (7) is arranged on the fixed disc (9), a sound cone block (4) is arranged in the middle of the grid sheet (7), the sound cone block (4) is located on the side of the diaphragm (5), and a compression member is formed between the grid sheet (7) and the sound cone block (4). A gap (8) is formed on one side of the rear cover (1), and a front cover (3) is provided on the side of the sound cone block (4). A connecting hole (11) is provided on the front cover (3), and the connecting hole (11) is opposite to the mounting hole. A connecting disk (12) is provided on one side of the front cover (3), and a compression outlet (10) is provided on the connecting disk (12), and the compression outlet (10) is communicated with the front cover (3). A horn (2) is provided on the connecting disk (12), and the horn (2) is communicated with the compression outlet (10).

2. The compression structure of a dynamic midrange loudspeaker according to claim 1, characterized in that: A set of gaps with a distance of 6 mm is formed between the diaphragm (5) and the cone block (4), and a compression inlet is formed between the compression gap (8) and the gap.

3. The compression structure of a dynamic midrange loudspeaker according to claim 2, characterized in that: A plurality of grid sheets (7) are provided and are evenly arranged between the sound cone block (4) and the fixed plate (9).

4. The compression structure of a dynamic midrange loudspeaker according to claim 3, characterized in that: The plurality of grid pieces (7) and the sound cone block (4) are all made of solid material.

5. The compression structure of a dynamic midrange loudspeaker according to claim 4, characterized in that: The front cover (3) and the connecting plate (12) are an integrated structure, and the horn (2) and the connecting plate (12) are connected by bolts.

6. The compression structure of a dynamic midrange loudspeaker according to claim 5, characterized in that: The fixed disk (9) and the disk rack (6) are connected in a snap-fit ​​manner.

7. The compression structure of a dynamic midrange loudspeaker according to claim 6, characterized in that: The horn (2) adopts a conical structure.

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