CN216437405U - Frequency division type sound box - Google Patents
Frequency division type sound box Download PDFInfo
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- CN216437405U CN216437405U CN202122541587.5U CN202122541587U CN216437405U CN 216437405 U CN216437405 U CN 216437405U CN 202122541587 U CN202122541587 U CN 202122541587U CN 216437405 U CN216437405 U CN 216437405U
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- horn
- sound
- accommodating cavity
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- loudspeaker
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Abstract
The utility model discloses a frequency division formula audio amplifier, include: the loudspeaker comprises a box body, a first loudspeaker component and a second loudspeaker component; one side of the box body is provided with a first accommodating cavity and a second accommodating cavity separated from the first accommodating cavity by a partition plate; the first sound amplifying assembly comprises a high-pitch horn fixed in the first accommodating cavity and a high-pitch horn fixed at one end of the high-pitch horn; the second sound amplifying assembly comprises a middle sound horn fixed in the second accommodating cavity and a middle sound loudspeaker fixed at one end of the middle sound horn; a groove is formed in one end, far away from the middle-tone horn, of the middle-tone horn, the bottom of the groove is a circular surface, a hemispherical phase plug is arranged in the middle of the circular surface, and a plurality of convex edges are arranged around the hemispherical phase plug; the utility model discloses a frequency division formula audio amplifier concentrates the compression through the sound wave that hemisphere phase place stopper spread well audio horn, has improved the compression ratio of sound for the phase place coupling nature of well sound and high pitch is better.
Description
Technical Field
The embodiment of the utility model provides a relate to the audio equipment field, concretely relates to frequency division formula audio amplifier.
Background
The sound box of a single loudspeaker is limited by the width of frequency during music reproduction, and cannot meet the bandwidth range of 20-20 kHZ of human ears, so that partial sound distortion of high pitch or low pitch is caused; therefore, in order to solve the above problems, high and medium speakers are often used to reproduce the sounds of respective frequency bands, so as to reproduce the whole music, and the existing three-frequency division sound box is generally divided into a bass unit, a middle unit and a treble unit; the speed block is attenuated in the transmission process of sound, so that the existing three-frequency division sound box easily causes frequency overlapping distortion and phase distortion in the frequency division process, and the tone color of the intermediate frequency is difficult to ensure the consistency.
SUMMERY OF THE UTILITY MODEL
In view of this, an object of the embodiments of the present invention is to provide a frequency-division type sound box for solving the problems of frequency overlapping distortion and phase distortion in the prior art.
A crossover speaker, comprising: the refrigerator comprises a box body, a first accommodating cavity and a second accommodating cavity, wherein the first accommodating cavity and the second accommodating cavity are formed in one side of the box body and are separated from the first accommodating cavity through a partition plate; the first loudspeaker component comprises a high-pitch horn fixed in the first accommodating cavity and a high-pitch horn fixed at one end of the high-pitch horn; the second sound amplifying assembly comprises a middle sound horn fixed in the second accommodating cavity and a middle sound loudspeaker fixed at one end of the middle sound horn;
a groove is formed in one end, far away from the middle-tone horn, of the middle-tone horn, the bottom of the groove is a circular surface, a hemispherical phase plug is arranged in the middle of the circular surface, and a plurality of convex edges are arranged around the hemispherical phase plug; the sound waves transmitted by the mediant loudspeaker are compressed in a concentrated mode through the hemispherical phase plug, and therefore the compression ratio of the sound is improved.
Furthermore, the one end that well sound horn kept away from well sound loudspeaker is provided with first frame plate, be provided with a plurality of first screw on the first frame plate.
Furthermore, the second holds the opening part in chamber and is provided with second frame plate, be provided with the second screw on the second frame plate, pass through the bolt in proper order first screw and second screw, in order to incite somebody to action the mediant horn is fixed first hold the intracavity.
Further, still include the third public address subassembly, the third public address subassembly is including fixing the second holds the interior bass horn of intracavity, and fixes the woofer of bass horn one end.
Further, the bass horn is fixed on the bottom surface of the second accommodating cavity.
Furthermore, the first intracavity that holds still inlays and has inserted two mounting panels, be close to on two mounting panels the first opening direction that holds the chamber still is provided with the arc opening.
Further, right angle incision has all been seted up at arc open-ended both ends, the high pitch horn support by lean on the right angle incision and through the bolt with the high pitch horn with the mounting panel is fixed.
Furthermore, one end of the partition board close to the arc-shaped opening is provided with an inverter hole.
Furthermore, a wiring board is arranged on the outer side of the box body.
Furthermore, the two side faces of the box body are provided with the drawer handles.
The utility model discloses a frequency division formula audio amplifier sets up the circular face through the bottom at well audio horn, sets up hemisphere phase place stopper in the centre of circular face, concentrates the compression through the sound wave that hemisphere phase place stopper spread well audio horn, has improved the compression ratio of sound for the phase place coupling nature of well audio and high pitch is better.
Drawings
Fig. 1 is a schematic view of an overall structure of a frequency division type sound box according to a first embodiment of the present invention;
fig. 2 is an exploded schematic view of a frequency-division sound box according to a first embodiment of the present invention;
fig. 3 is a perspective view of a crossover type sound box according to a first embodiment of the present invention;
fig. 4 is a rear view of a crossover type sound box according to a first embodiment of the present invention.
The list of elements is as follows:
a box body 1;
a first sound amplifying assembly 2;
a second sound amplifying assembly 3;
a third sound amplifying assembly 4;
a first accommodation chamber 11;
a separator 12;
a second accommodation chamber 13;
a patch panel 14;
a drawer handle 15;
a high pitch horn 21;
a tweeter 22;
a middle horn 31;
a midrange speaker 32;
a bass horn 41;
a woofer 42.
A mounting plate 111;
an inverter hole 121;
a second frame plate 131;
a bottom surface 132;
a recess 311;
a first frame plate 312;
an arc-shaped opening 1111;
a right angle cut 1112;
a first screw hole 3121;
a circular face 3111;
a hemispherical phase plug 3112;
a rib 3113.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The noun explains:
a woofer: can generate sound waves of less than 500 HZ.
A middle-tone loudspeaker: can generate sound wave of 500-8000 HZ.
A high pitch horn: can generate sound waves of more than 8000 HZ.
The first embodiment is as follows:
a crossover type sound box as shown in fig. 1 to 2 includes: the loudspeaker comprises a box body 1, a first loudspeaker component 2 and a second loudspeaker component 3; a first accommodating cavity 11 and a second accommodating cavity 13 separated from the first accommodating cavity 11 by a partition plate 12 are formed in one side of the box body 1; the first loudspeaker assembly 2 comprises a tweeter horn 21 fixed in the first accommodating cavity 11, and a tweeter 22 fixed at one end of the tweeter horn 21; the second amplification component 3 comprises a middle horn 31 fixed in the second accommodating cavity 13, and a middle horn 32 fixed at one end of the middle horn 31.
A groove 311 is formed in one end of the middle horn 31, which is far away from the middle horn 32, the bottom of the groove 311 is a circular surface 3111, a hemispherical phase plug 3112 is arranged in the middle of the circular surface 3111, and a plurality of convex ribs 3113 are arranged around the hemispherical phase plug 3112; preferably, the number of the protruding ribs 3113 is set to 4 and the rings are equally arranged around the hemispherical phase plug 3112.
In order to further shorten the distance of sound wave transmission, after the mid-range speaker 32 and the mid-range horn 31 in this embodiment are installed, the central axis of the mid-range speaker 32 coincides with the central axis of the hemispherical phase plug 3112; the sound outlet of the middle horn 31 concentrates and compresses the sound waves radiated by the middle horn 32 to the hemispherical phase plug 3112, so that the sound compression ratio is improved, the middle frequency coupling of the middle sound of the sound box is effectively improved, the phase coupling of the middle sound and the high sound is better, and the middle horn and the middle sound unit can be fixedly combined together to form a complete sound guide system; effectively expands the frequency response range of the loudspeaker and optimizes the frequency response phase characteristics, and leads the sound image to be positioned more accurately.
Preferably, a first frame plate 312 is disposed at an end of the alto horn 31 away from the alto horn 32, the first frame plate 312 is provided with a plurality of first screw holes 3121, the opening of the second receiving cavity 13 is provided with a second frame plate 131, the second frame plate 131 is provided with a second screw hole 1311, and the alto horn 31 is fixed in the first receiving cavity 11 by sequentially passing through the first screw holes 3121 and the second screw holes 1311 by bolts.
Preferably, as shown in fig. 3, a third amplification assembly 4 is further included, where the third amplification assembly 4 includes a low-tone horn 41 fixed in the second accommodating chamber 13, and a low-tone horn 42 fixed at one end of the low-tone horn 41; specifically, the bottom surface 132 of the second accommodating cavity 13 forms an included angle of 15-30 degrees with a vertical plane, and the low-pitch horn 41 is fixed on the bottom surface 132 of the second accommodating cavity 13. Under the condition of the inclination angle, the structure of the box body 1 is more compact, and the frequency response of the woofer 42 is better.
Preferably, two mounting plates 111 are further inserted into the first accommodating cavity 11, and an arc-shaped opening 1111 is further disposed on the two mounting plates 111 in a direction close to the opening of the first accommodating cavity 11, and specifically, the mounting plates 111 are perpendicular to the partition plate 12.
Preferably, both ends of the arc-shaped opening 1111 are opened with right-angle cutouts 1112, and the high-pitched horn 21 abuts against the right-angle cutouts 1112 and is fixed to the mounting plate 111 by bolts.
Preferably, one end of the partition plate 12 close to the arc-shaped opening 1111 is provided with an inverter hole 121; the inverter hole 121 functions as a low frequency sound wave expanding function. When the diaphragm of the woofer 42 vibrates back and forth, the front and back air is pushed to vibrate respectively to generate sound, and the air energy radiated into the box is utilized through the inverter hole 121. The energy is used for driving the air inside the inverter hole 121 to vibrate and sound, so that the low-frequency range and the volume feeling are widened, and the total output efficiency of the sound box is increased.
Preferably, as shown in fig. 4, a wiring board 14 is arranged on the outer side surface of the box body 1; the wiring board 14 is connected to an external power source.
Preferably, the two side surfaces of the box body 1 are provided with the drawing handles 15 which are convenient for carrying.
The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A crossover type audio amplifier, its characterized in that includes:
the refrigerator comprises a box body, a first accommodating cavity and a second accommodating cavity, wherein the first accommodating cavity and the second accommodating cavity are formed in one side of the box body and are separated from the first accommodating cavity through a partition plate;
the first loudspeaker component comprises a high-pitch horn fixed in the first accommodating cavity and a high-pitch horn fixed at one end of the high-pitch horn;
the second sound amplifying assembly comprises a middle sound horn fixed in the second accommodating cavity and a middle sound loudspeaker fixed at one end of the middle sound horn;
the middle-tone horn is characterized in that a groove is formed in one end, far away from the middle-tone horn, of the middle-tone horn, the bottom of the groove is a circular surface, a hemispherical phase plug is arranged in the middle of the circular surface, and a plurality of convex edges are arranged around the hemispherical phase plug; the sound waves transmitted by the mediant loudspeaker are compressed in a concentrated mode through the hemispherical phase plug, and therefore the compression ratio of the sound is improved.
2. The crossover type speaker of claim 1, wherein an end of the midrange horn distal from the midrange horn is provided with a first frame plate, the first frame plate having a plurality of first screw holes formed therein.
3. The crossover type sound box according to claim 2, wherein a second frame plate is disposed at the opening of the second accommodating cavity, and a second screw hole is disposed on the second frame plate, and a bolt sequentially passes through the first screw hole and the second screw hole to fix the midrange horn in the first accommodating cavity.
4. The crossover loudspeaker of claim 1, further comprising a third amplification assembly, the third amplification assembly comprising a low tone horn secured within the second receiving chamber and a woofer secured at one end of the low tone horn.
5. The crossover type speaker of claim 4, wherein the bass horn is fixed to a bottom surface of the second receiving chamber.
6. The crossover type sound box of claim 1, wherein two mounting plates are further inserted in the first accommodating cavity, and arc-shaped openings are further arranged on the two mounting plates in the direction close to the opening of the first accommodating cavity.
7. The crossover type sound box according to claim 6, wherein right angle notches are formed at both ends of the arc-shaped opening, and the high-pitched horn abuts against the right angle notches and is fixed with the mounting plate through bolts.
8. The crossover type speaker of claim 6, wherein an inverter hole is formed in the baffle plate at an end thereof adjacent to the arcuate opening.
9. The crossover type speaker as defined in claim 1, wherein a terminal plate is provided on an outer side of the cabinet.
10. The crossover type speaker of claim 9, wherein a drawer is provided on both sides of the enclosure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122541587.5U CN216437405U (en) | 2021-10-21 | 2021-10-21 | Frequency division type sound box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122541587.5U CN216437405U (en) | 2021-10-21 | 2021-10-21 | Frequency division type sound box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216437405U true CN216437405U (en) | 2022-05-03 |
Family
ID=81332798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122541587.5U Active CN216437405U (en) | 2021-10-21 | 2021-10-21 | Frequency division type sound box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216437405U (en) |
-
2021
- 2021-10-21 CN CN202122541587.5U patent/CN216437405U/en active Active
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