CN218679273U - Sound post sound box with wide horizontal directivity - Google Patents
Sound post sound box with wide horizontal directivity Download PDFInfo
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- CN218679273U CN218679273U CN202221384375.9U CN202221384375U CN218679273U CN 218679273 U CN218679273 U CN 218679273U CN 202221384375 U CN202221384375 U CN 202221384375U CN 218679273 U CN218679273 U CN 218679273U
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Abstract
The utility model provides a wide sound column audio amplifier of horizontal directive property, includes the sound column unit and the audio amplifier of mutual installation, be equipped with vertical mounting groove in the sound column unit, install a plurality of speaker units that connect gradually in the vertical mounting groove, speaker unit upper surface is 130-160 for the same installation angle of vertical mounting groove bottom surface, and is adjacent speaker unit's upper surface orientation symmetry is opposite.
Description
Technical Field
The utility model relates to a stereo set field, concretely relates to wide sound column audio amplifier of horizontal directive property.
Background
In the similar sound column unit products in the market at present, the conventional size of the loudspeaker is about 3 inches. The horizontal installation mode is adopted, and due to the azimuth size among the loudspeakers, the positions of the loudspeakers where the loudspeakers sound simultaneously reach the listener have time difference, so that the frequency response of a high-frequency part is offset. Wherein the high frequency part is mainly embodied because the wavelength of the high frequency part is shorter.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a wide sound column audio amplifier of horizontal directive property:
the utility model provides a wide sound column audio amplifier of horizontal directive property, includes the sound column unit and the audio amplifier of mutual installation, be equipped with vertical mounting groove in the sound column unit, install a plurality of speaker units that connect gradually in the vertical mounting groove, speaker unit upper surface is 130-160 for the same installation angle of vertical mounting groove bottom surface, and is adjacent speaker unit's upper surface orientation symmetry is opposite.
Preferably, the same installation angles of the upper surfaces of the loudspeaker units relative to the bottom surface of the vertical installation groove are 130-145 degrees, the size of each loudspeaker unit is 76mm, and the installation distance between every two adjacent loudspeaker units is not less than 76mm.
Preferably, the speaker unit includes the tripod and installs the speaker on the tripod, the tripod bottom is equipped with the bar arch, be equipped with the spout that corresponds with the bar arch in the vertical mounting groove, the bar arch constitutes the guide rail cooperation with the spout.
Preferably, the bottom surface of the sliding groove is provided with a magnetic layer, the bottom surface of the strip-shaped protrusion is a metal layer, and the magnetic layer of the sliding groove and the metal layer of the strip-shaped protrusion form magnetic attraction matching.
Preferably, the outer side of the sliding groove is provided with an outer groove, and the outer groove and a bolt hole arranged on the triangular frame form bolt matching.
Preferably, one side of each tripod is provided with a hexagonal convex block protruding outwards, the other side of each tripod is provided with a hexagonal groove corresponding to the hexagonal convex block, and the hexagonal convex blocks between the adjacent tripods are matched with the hexagonal grooves.
Preferably, the hexagonal convex block is made of metal, a magnetic layer is arranged on the bottom surface of the hexagonal groove, and the hexagonal convex block and the hexagonal groove form magnetic attraction matching.
Preferably, the sound column unit comprises an upper sound column and a support frame, the upper sound column is movably inserted into an installation cavity arranged in the support frame, an air bag located at the lower end of the upper sound column is arranged in the installation cavity, a through wire hole used for a through wire is formed in the middle of the air bag, the upper end of the air bag is fixedly connected with the upper sound column, the air bag is provided with a valve used for controlling air of the air bag to enter and exit, and the valve is arranged in the through hole formed in the support frame. The volume of the gas in the air bag is controlled to control the rising and falling of the upper sound column, so that the air bag is suitable for various use environments. In addition, the air bag has a good buffering and damping effect, sound effect vibration of the upper sound column loudspeaker can be effectively counteracted, and the stable mounting structure of the sound box is prevented from being damaged by vibration.
Has the advantages that: this application adopts the design of symmetry slope installation, and the installation angle of slope can present even sound field cover, reduces the high frequency part that the horizontally interference brought between speaker and the speaker and offsets. The horizontal directivity of the product is higher than that of the similar products, the horizontal directivity of the related column unit products on the market is mostly 90-120 degrees (-10 dB), and the product can reach 160 degrees (-10 dB) and can provide uniform sound field coverage.
Drawings
Fig. 1 is a schematic structural view of embodiment 1.
Fig. 2 is an internal structural view of embodiment 1.
Fig. 3 is an internal view of the fret unit according to embodiment 1.
Fig. 4 is an enlarged schematic view of a in fig. 3.
Fig. 5 is an internal view of the fret unit according to example 2.
Fig. 6 is a sectional view of the fret unit according to example 2.
Fig. 7 is a configuration diagram of a fret unit of embodiment 3.
1. An upper sound post; 2. a support frame; 3. a sound box; 4. a vertical mounting groove; 5. a speaker unit; 6. a tripod; 7. a speaker; 8. a strip-shaped bulge; 9. a chute; 10. a hexagonal projection; 11. an outer tank; 12. an air bag; 13. and (4) air valves.
Detailed Description
The invention will be further described with reference to the accompanying figures 1-7 and examples 1-3.
Example 1: the utility model provides a wide sound column audio amplifier 3 of horizontal directive property, includes sound column unit and audio amplifier 3 of mutual installation, be equipped with vertical mounting groove 4 in the sound column unit, install a plurality of speaker unit 5 that connect gradually in the vertical mounting groove 4, the installation angle of speaker unit 5 upper surface for the bottom surface of vertical mounting groove 4 is 130-145 as shown in B in fig. 6, and adjacent speaker unit 5's upper surface orientation symmetry is opposite. The size of the loudspeaker units 5 is 76mm, and the installation distance between every two adjacent loudspeaker units 5 is larger than or equal to 76mm.
Speaker unit 5 includes tripod 6 and installs speaker 7 on tripod 6, 6 bottoms of tripod are equipped with the bar arch 8, be equipped with the spout 9 that corresponds with the protruding 8 of bar in the vertical mounting groove 4, the protruding 8 and spout 9 constitution guide rail cooperation of bar. The bottom surface of the sliding groove 9 is provided with a magnetic layer, the bottom surface of the strip-shaped protrusion 8 is a metal layer, and the magnetic layer of the sliding groove 9 and the metal layer of the strip-shaped protrusion 8 form magnetic attraction matching. An outer groove 11 is arranged on the outer side of the sliding groove 9, and the outer groove 11 and a bolt hole arranged on the tripod 6 form bolt matching.
The propagation speed of sound is 343m/s, the sound recognizable by human ears is 20hz-20khz, the wavelength = the sound speed/frequency, the unit size of the loudspeaker unit 5 is 76m, the installation spacing between units is more than or equal to 76mm,2 loudspeaker units 5 reach the listener at the same time, and the distance and time difference are generated, thus leading to the cancellation of phase interference frequency. I adopt the design of symmetrical slope installation, and the installation angle of slope can present even sound field cover, reduces the high frequency part that horizontal interference brought between loudspeaker unit 5 unit and the unit and offsets. The horizontal directivity of the product is higher than that of the similar products, the horizontal directivity of the related column unit products on the market is mostly 90-120 degrees (-10 dB), and the product can reach 160 degrees (-10 dB) and can provide uniform sound field coverage.
Example 2: the utility model provides a wide sound column audio amplifier 3 of horizontal directive property, includes the sound column unit and the audio amplifier 3 of mutual installation, be equipped with vertical mounting groove 4 in the sound column unit, install a plurality of speaker unit 5 that connect gradually in the vertical mounting groove 4, speaker unit 5 upper surface is 130-160 for the same installation angle of vertical mounting groove 4 bottom surfaces, and is adjacent speaker unit 5's upper surface orientation symmetry is opposite. The size of the loudspeaker units 5 is 76mm, and the installation distance between every two adjacent loudspeaker units 5 is larger than or equal to 76mm.
Speaker unit 5 includes tripod 6 and installs speaker 7 on tripod 6, 6 bottoms of tripod are equipped with the bar arch 8, be equipped with the spout 9 that corresponds with the protruding 8 of bar in vertical mounting groove 4, the protruding 8 and spout 9 constitution guide rail cooperation of bar. The bottom surface of the sliding groove 9 is provided with a magnetic layer, the bottom surface of the strip-shaped protrusion 8 is a metal layer, and the magnetic layer of the sliding groove 9 and the metal layer of the strip-shaped protrusion 8 form magnetic attraction matching. An outer groove 11 is arranged on the outer side of the sliding groove 9, and the outer groove 11 and a bolt hole arranged on the tripod 6 form bolt matching. One side of the tripod 6 is provided with a hexagonal convex block 10 protruding outwards, the other side of the tripod 6 is provided with a hexagonal groove corresponding to the hexagonal convex block 10, and the hexagonal convex blocks 10 between the adjacent tripods 6 are matched with the hexagonal grooves. The hexagonal convex block 10 is made of metal, a magnetic layer is arranged on the bottom surface of the hexagonal groove, and the hexagonal convex block 10 and the hexagonal groove form magnetic attraction matching.
Example 3: the utility model provides a wide sound column audio amplifier 3 of horizontal directive property, includes the sound column unit and the audio amplifier 3 of mutual installation, be equipped with vertical mounting groove 4 in the sound column unit, install a plurality of speaker unit 5 that connect gradually in the vertical mounting groove 4, speaker unit 5 upper surface is 130-160 for the same installation angle of the 4 bottom surfaces of vertical mounting groove, and is adjacent speaker unit 5's upper surface orientation symmetry is opposite. The size of the loudspeaker units 5 is 76mm, and the installation distance between every two adjacent loudspeaker units 5 is larger than or equal to 76mm.
Speaker unit 5 includes tripod 6 and installs speaker 7 on tripod 6, 6 bottoms of tripod are equipped with the bar arch 8, be equipped with the spout 9 that corresponds with the protruding 8 of bar in vertical mounting groove 4, the protruding 8 and spout 9 constitution guide rail cooperation of bar. The bottom surface of the sliding groove 9 is provided with a magnetic layer, the bottom surface of the strip-shaped protrusion 8 is a metal layer, and the magnetic layer of the sliding groove 9 and the metal layer of the strip-shaped protrusion 8 form magnetic attraction matching. An outer groove 11 is formed in the outer side of the sliding groove 9, and the outer groove 11 and a bolt hole formed in the tripod 6 form bolt fit. The sound column unit comprises an upper sound column 1 and a support frame 2, the upper sound column 1 is movably inserted into an installation cavity formed in the support frame 2, an air bag 12 located at the lower end of the upper sound column 1 is arranged in the installation cavity, a through line hole used for passing a line is formed in the middle of the air bag 12, the upper end of the air bag 12 is fixedly connected with the upper sound column 1, the air bag 12 is provided with a valve 13 used for controlling air of the air bag 12 to enter and exit, and the valve 13 is installed in the through hole formed in the support frame 2.
It is obvious that the above embodiments of the present invention are only examples for illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. There is no need or no way to give poor examples of all embodiments. And obvious changes and modifications which are within the spirit of the invention are also within the scope of the invention.
Claims (8)
1. The utility model provides a wide sound column audio amplifier of horizontal directive property which characterized in that: including the sound column unit and audio amplifier (3) of mutual installation, be equipped with vertical mounting groove (4) in the sound column unit, install a plurality of speaker unit (5) that connect gradually in vertical mounting groove (4), speaker unit (5) upper surface is 130-160 for the same installation angle of vertical mounting groove (4) bottom surface, and is adjacent speaker unit (5) upper surface orientation symmetry is opposite.
2. The wide-directivity horizontal sound column speaker according to claim 1, wherein: the mounting angles of the upper surfaces of the loudspeaker units (5) relative to the bottom surface of the vertical mounting groove (4) are 130-145 degrees, the loudspeaker units (5) are 76mm in size, and the mounting distance between every two adjacent loudspeaker units (5) is larger than or equal to 76mm.
3. The wide-directivity horizontal sound column speaker according to claim 1, wherein: speaker unit (5) include tripod (6) and install speaker (7) on tripod (6), tripod (6) bottom is equipped with the bar arch (8), be equipped with spout (9) that correspond with the protruding (8) of bar in vertical mounting groove (4), the protruding (8) of bar constitutes the guide rail cooperation with spout (9).
4. The wide-directivity sound box according to claim 3, characterized in that: the bottom surface of the sliding groove (9) is provided with a magnetic layer, the bottom surface of the strip-shaped protrusion (8) is a metal layer, and the magnetic layer of the sliding groove (9) and the metal layer of the strip-shaped protrusion (8) form magnetic attraction matching.
5. The wide-directivity horizontal sound column speaker according to claim 3, wherein: an outer groove (11) is formed in the outer side of the sliding groove (9), and the outer groove (11) is in bolt fit with a bolt hole formed in the tripod (6).
6. The wide-directivity horizontal sound column speaker according to claim 3, wherein: one side of the tripod (6) is provided with a hexagonal convex block (10) protruding outwards, the other side of the tripod (6) is provided with a hexagonal groove corresponding to the hexagonal convex block (10), and the hexagonal convex block (10) between the adjacent tripods (6) is matched with the hexagonal groove.
7. The wide-directivity horizontal sound column speaker according to claim 6, wherein: the hexagonal convex block (10) is made of metal, a magnetic layer is arranged on the bottom surface of the hexagonal groove, and the hexagonal convex block (10) and the hexagonal groove form magnetic attraction matching.
8. The wide-directivity horizontal sound column speaker according to claim 1, wherein: the sound column unit comprises an upper sound column (1) and a support frame (2), the upper sound column (1) is movably inserted into an installation cavity arranged in the support frame (2), an air bag (12) located at the lower end of the upper sound column (1) is arranged in the installation cavity, a through hole for passing a wire is formed in the middle of the air bag (12), the upper end of the air bag (12) is fixedly connected with the upper sound column (1), the air bag (12) is provided with a valve (13) used for controlling air in and out of the air bag (12), and the valve (13) is arranged in the through hole formed in the support frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221384375.9U CN218679273U (en) | 2022-05-01 | 2022-05-01 | Sound post sound box with wide horizontal directivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221384375.9U CN218679273U (en) | 2022-05-01 | 2022-05-01 | Sound post sound box with wide horizontal directivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218679273U true CN218679273U (en) | 2023-03-21 |
Family
ID=85534156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221384375.9U Active CN218679273U (en) | 2022-05-01 | 2022-05-01 | Sound post sound box with wide horizontal directivity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218679273U (en) |
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2022
- 2022-05-01 CN CN202221384375.9U patent/CN218679273U/en active Active
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