CN212519414U - Three-sound-cavity frequency division horn module - Google Patents
Three-sound-cavity frequency division horn module Download PDFInfo
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- CN212519414U CN212519414U CN202020992180.7U CN202020992180U CN212519414U CN 212519414 U CN212519414 U CN 212519414U CN 202020992180 U CN202020992180 U CN 202020992180U CN 212519414 U CN212519414 U CN 212519414U
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Abstract
The utility model relates to a three-tone cavity frequency division horn module, which comprises a shell and a horn monomer, wherein the shell is provided with a cavity, a first sound outlet and a second sound outlet, the horn monomer divides the cavity into a first cavity, a second cavity and a third cavity, the first cavity and the second cavity are both communicated with the first sound outlet, and the third cavity is communicated with the second sound outlet; the loudspeaker unit comprises a frame, a magnetic loop assembly, a voice coil and a vibrating membrane; the magnetic-gas circuit assembly is provided with a first sound outlet area, the hollow structure is separated by a separation ring to form a second sound outlet area and a third sound outlet area, the first sound outlet area faces the first cavity, the second sound outlet area faces the second cavity, and the third sound outlet area faces the third cavity; its overall structure is simple, and the rationality preferred through the independent distribution of corresponding cavity and the route of setting for of corresponding sound hole, makes the stereovision between bass and the medium-high pitch obvious, effectively promotes the tone quality effect of product.
Description
Technical Field
The utility model belongs to the technical field of loudspeaker field and specifically relates to indicate a three tone chamber frequency division loudspeaker module.
Background
Although the types and the number of the existing loudspeakers are very large, the loudspeakers on the market are complex in structure and poor in rationality, and poor in tone quality effect due to poor layering between bass and treble.
Therefore, a new technical solution needs to be developed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to above-mentioned prior art not enough, main aim at provides a three sound chamber frequency division loudspeaker module, and its overall structure is simple, and the rationality preferred through the independent distribution of corresponding cavity and the corresponding route of setting for of going out the sound hole, makes the stereovision between well bass and the high pitch obvious, effectively promotes the tone quality effect of product.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a three-tone-cavity frequency division horn module comprises a shell and a horn single body, wherein the shell is provided with a cavity, a first sound outlet hole and a second sound outlet hole, the horn single body is arranged in the cavity, the horn single body divides the cavity into a first cavity, a second cavity and a third cavity, the first cavity and the second cavity are communicated with the first sound outlet hole, and the third cavity is communicated with the second sound outlet hole;
the loudspeaker unit comprises a frame, a magnetic circuit assembly, a voice coil and a vibrating membrane;
the magnetic circuit component is provided with a first sound outlet area, the frame is provided with a mounting hole which vertically penetrates through the upper side and the lower side of the frame, the magnetic circuit component is arranged in the mounting hole, and the first sound outlet area is respectively communicated with the mounting hole and the lower side of the frame;
the upper end surface of the frame is provided with a hollowed structure at the periphery of the mounting hole, an isolation ring is formed on the frame, the hollowed structure is separated by the isolation ring to form a second sound outlet area and a third sound outlet area, the second sound outlet area is close to the magnetic circuit assembly, and the third sound outlet area is far away from the magnetic circuit assembly;
the vibrating membrane is connected with the voice coil, arranged on the lower side of the frame and covering the magnetic loop assembly, the second sound outlet area and the third sound outlet area; the first sound outlet area faces the first chamber, the second sound outlet area faces the second chamber, and the third sound outlet area faces the third chamber.
Preferably, the upper end surface of the frame is integrally and upwardly extended to form a first cylinder part corresponding to the periphery of the mounting hole, the second sound outlet area is located between the first cylinder part and the isolating ring, and the third sound outlet area is located on the periphery of the isolating ring.
Preferably, the first sound outlet and the second sound outlet are both located on the same side of the housing.
As a preferable scheme, the housing comprises an upper housing and a lower housing, and the upper housing is detachably connected to the lower housing.
Preferably, the lower case has a bottom plate portion and a first sidewall integrally extending upward from an upper end surface of the bottom plate portion;
the loudspeaker box is characterized in that a lower accommodating cavity with an upper end opening is formed between the inner wall of the first side wall and the upper end face of the bottom plate part, the loudspeaker unit is installed in the lower accommodating cavity, a third cavity is formed between the lower end face of the upper shell and the inner wall of the lower accommodating cavity, and a third sound outlet area of the loudspeaker unit is located in the third cavity.
As a preferable scheme, a second side wall is further formed by integrally extending the upper end surface of the bottom plate part upwards, the first side wall surrounds the periphery of the second side wall, a fourth chamber with an open upper end is formed between the inner wall of the second side wall and the upper end surface of the bottom plate part, and the fourth chamber is communicated with the first sound outlet;
after the upper shell and the lower shell are assembled, the upper shell covers the upper end opening of the fourth cavity, and the first cavity and the second cavity are communicated with the first sound outlet through the fourth cavity.
As a preferable scheme, the upper shell is provided with a first through hole, a second through hole and an upper accommodating cavity, and the upper accommodating cavity is respectively communicated with the first through hole and the second through hole to form a second cavity;
the loudspeaker monomer is installed and is held the intracavity and the free second of loudspeaker goes out the sound district and holds the chamber through first through-hole intercommunication on, the first sound hole of second through-hole intercommunication.
As a preferable scheme, the upper shell is provided with an airflow channel, a third through hole and a fourth through hole, and two ends of the airflow channel are communicated with the third through hole and the fourth through hole to form a first chamber;
the first sound outlet area of the horn unit is connected with the air flow channel through a third through hole, and the fourth through hole is communicated with the first sound outlet hole.
As a preferred scheme, the upper shell comprises a cover plate part and a shielding part which are detachably connected, and the airflow channel, the third through hole and the fourth through hole are formed in the cover plate part.
As a preferable scheme, the first sound emitting area, the second sound emitting area and the third sound emitting area are all completely open, or at least one of the first sound emitting area, the second sound emitting area and the third sound emitting area is covered with a damping member.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly: the bass, middle-pitch and treble are firstly respectively passed through the three chambers, then the middle-pitch and treble are converged and then are discharged through the first sound outlet hole, the bass is discharged through the second sound outlet hole, and the layering between the bass and the middle-pitch is obvious through the independent distribution of the corresponding chambers and the set path of the corresponding sound outlet holes, so that the tone quality effect of the product is effectively improved;
secondly, by the design of the fourth chamber, the middle tone and the low tone can be converged and mixed sufficiently and uniformly and then leave the shell, and the tone quality effect of the product is further improved;
moreover, whether the corresponding damping piece is arranged in the corresponding sound outlet area can be flexibly selected according to the actual design requirement;
and all parts are convenient and firm to assemble, and the stability and reliability of a subsequent earphone finished product in the using process are ensured.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic perspective view of another embodiment of the present invention;
FIG. 3 is an exploded view of an embodiment of the present invention;
FIG. 4 is a schematic exploded view of a speaker unit according to an embodiment of the present invention;
FIG. 5 is an exploded view of the upper housing according to the embodiment of the present invention;
fig. 6 is an exploded view of the upper housing at another angle according to the embodiment of the present invention;
FIG. 7 is a schematic view of a first cross-sectional configuration of an embodiment of the present invention (showing primarily the first portion of the airflow path;
FIG. 8 is a schematic view of a first cross-sectional configuration of an embodiment of the present invention (showing primarily the second portion of the airflow path;
fig. 9 is a top view of an embodiment of the present invention (the upper housing is not shown, and the third portion of the airflow path is shown.
The reference numbers illustrate:
10. casing 101, first sound outlet
102. Second sound outlet
11. Upper shell
111. Cover plate 112 and shielding part
1121. Second barrel part 1122 and third EVA gasket mounting groove
1123. Hole of stepping down
113. First through hole 114 and second through hole
115. Upper receiving cavity 116, airflow channel
117. Third through hole 118 and fourth through hole
1181. Annular extension
12. Lower case 121, bottom plate
122. A first side wall 123 and a second side wall
124. Shielding portion mounting portion 125, lower receiving chamber
126. The fourth chamber
20. Loudspeaker unit 201 and first sound outlet area
202. A second sound output area 203 and a third sound output area
21. Frame structure
211. Mounting hole 2111, limiting step part
212. First barrel part 22, spacer ring
23. Diaphragm 24, yoke
25. Magnet 26, washer
27. Voice coil 28, shield
31. First EVA gasket 32, second EVA gasket
33. Third EVA gasket 34, fourth EVA gasket
351. First and second damping members 352 and 352
353. And a third damping member.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 to 9, a three-tone-cavity crossover horn module includes a housing 10 and a horn unit 20, where the housing 10 has a cavity, a first sound outlet 101 and a second sound outlet 102, the horn unit 20 is installed in the cavity, the horn unit 20 divides the cavity into a first chamber, a second chamber and a third chamber, the first chamber and the second chamber are both communicated with the first sound outlet 101, and the third chamber is communicated with the second sound outlet 102; preferably, the first sound outlet 101 and the second sound outlet 102 are both located on the same side of the housing 10.
The horn unit 20 comprises a frame 21, a magnetic circuit assembly, a voice coil 27, a diaphragm 23 and a shield 28, wherein the diaphragm 23 is located between the frame 21 and the shield 28. The magnetic circuit component is provided with a first sound outlet area 201, the frame 21 is provided with a mounting hole 211 which penetrates through the upper side and the lower side of the frame along the vertical direction, the magnetic circuit component is arranged in the mounting hole 211, and the first sound outlet area 201 is respectively communicated with the mounting hole 211 and the lower side of the frame 21.
A hollow structure is arranged on the upper end face of the frame 21 and located at the periphery of the mounting hole 211, an isolation ring 22 is formed on the frame 21, the isolation ring 22 separates the hollow structure into a second sound outlet area 202 and a third sound outlet area 203, the second sound outlet area 202 is close to the magnetic circuit component, and the third sound outlet area 203 is far away from the magnetic circuit component; in this embodiment, the upper end surface of the frame 21 is integrally formed with a first cylindrical portion 212 extending upward corresponding to the periphery of the mounting hole 211, the second sound emitting area 202 is located between the first cylindrical portion 212 and the isolation ring 22, and the third sound emitting area 203 is located on the periphery of the isolation ring 22.
In the present embodiment, the magnetic circuit assembly includes a yoke 24, a magnet 25 and a washer 26; the yoke 24, the magnet 25 and the washer 26 are all provided with air holes which are opposite to and communicated with each other in sequence along the center, and all the air holes form a first sound outlet area 201; preferably, a limiting step portion 2111 is formed on the inner wall of the mounting hole 211, the yoke 24 is opened and disposed, and the lower end of the yoke 24 abuts against the limiting step portion 2111.
The diaphragm 23 is connected to the voice coil 27, and the diaphragm 23 is disposed on the lower side of the frame 21 and covers the magnetic circuit assembly, the second sound emitting area 202 and the third sound emitting area 203; the first sound-emitting area 201 faces the first chamber, the second sound-emitting area 202 faces the second chamber, and the third sound-emitting area 203 faces the third chamber. Note that the second sound-emitting area 202 produces a midrange effect, and the third sound-emitting area produces a bass effect. The first sound emitting area 201, the second sound emitting area 202 and the third sound emitting area 203 are all completely open, or at least one of the first sound emitting area 201, the second sound emitting area 202 and the third sound emitting area 203 is covered with a damping member, in this embodiment, the damping member includes a first damping member 351, a second damping member 352 and a third damping member 353; the first sound emitting area 201, the second sound emitting area 202 and the third sound emitting area 203 are respectively covered with a first damping member 351, a second damping member 352 and a third damping member 353. The corresponding sound outlet area and the sound outlet hole can be flexibly selected to cover the corresponding damping piece according to the actual design requirement.
In this embodiment, the housing 10 includes an upper housing 11 and a lower housing 12, and the upper housing 11 is detachably connected to the lower housing 12. The lower case 12 has a bottom plate 121 and a first side wall 122 integrally extending upward from an upper end surface of the bottom plate 121;
a lower accommodating cavity 125 with an upper end opening is formed between the inner wall of the first side wall 122 and the upper end surface of the bottom plate part 121, the speaker unit 20 is installed in the lower accommodating cavity 125, a third cavity is formed between the lower end surface of the upper shell 11 and the inner wall of the lower accommodating cavity 125, and the third sound emitting area 203 of the speaker unit 20 is located in the third cavity.
A second side wall 123 is further formed by integrally extending the upper end surface of the bottom plate part 121 upwards, the first side wall 122 surrounds the periphery of the second side wall 123, a fourth chamber 126 with an open upper end is formed between the inner wall of the second side wall 123 and the upper end surface of the bottom plate part 121, and the fourth chamber 126 is communicated with the first sound outlet 101;
after the upper housing 11 and the lower housing 12 are assembled, the upper housing 11 covers the upper end opening of the fourth chamber 126, and the first chamber and the second chamber are both communicated with the first sound outlet 101 through the fourth chamber 126.
In the present embodiment, the upper housing 11 has a first through hole 113, a second through hole 114, and an upper receiving cavity 115, and the upper receiving cavity 115 communicates the first through hole 113 and the second through hole 114 to form a second chamber; the speaker unit 20 is installed in the upper receiving cavity 115, the second sound emitting area 202 of the speaker unit 20 is communicated with the upper receiving cavity 115 through the first through hole 113, and the second through hole 114 and the fourth cavity 126 are communicated with the first sound emitting hole 101.
The upper shell 11 is provided with an airflow channel 116, a third through hole 117 and a fourth through hole 118, and two ends of the airflow channel 116 are respectively communicated with the third through hole 117 and the fourth through hole 118 to form a first chamber; the first sound emitting area 201 of the speaker unit 20 is connected to the airflow channel 116 through the third through hole 117, and the fourth through hole 118 and the fourth chamber 126 are connected to the first sound emitting hole 101. In this embodiment, the airflow channel 116 is further communicated with the outside of the upper housing 11 through an opening, and a fourth EVA gasket 34 is disposed at the opening to block the airflow path from directly going from the airflow channel 116 to the outside of the upper housing 11.
The upper housing 11 comprises a cover plate portion 111 and a shielding portion 112 which are detachably connected, a shielding portion mounting position 124 is formed at the upper end of the lower housing 12, and the shielding portion 112 is mounted in the shielding portion mounting position 124 through a first EVA gasket 31. The air flow passage 116, the third through hole 117, and the fourth through hole 118 are formed on the cover plate portion 111. The cover plate portion 111 is connected to the yoke 24 by a second EVA gasket 32.
An annular extending portion 1181 is integrally and downwardly convexly arranged at the periphery of the fourth through hole 118 at the lower end of the cover plate portion 111, a yielding hole 1123 penetrating through the upper end and the lower end of the blocking portion 112 is formed in the blocking portion 112 corresponding to the annular extending portion 1181, and the annular extending portion 1181 is installed in the yielding hole 1123 and extends into the fourth chamber 126 to communicate with the first sound outlet hole 101.
The lower end surface of the shielding portion 112 integrally extends downward to form a second cylindrical portion 1121 corresponding to the periphery of the first through hole 113, the second cylindrical portion 1121 is connected to the isolation ring 22 through a third EVA gasket 33, a third EVA gasket mounting groove 1122 is recessed upward at the lower end of the second cylindrical portion 1121, and the third EVA gasket 33 is installed in the third EVA gasket mounting groove 1122.
The course of the lower flow path is explained in general below:
an airflow path generated by the vibration of the diaphragm 23 is divided into three parts and leaves the outside of the housing 10, and as shown in fig. 7, the first part of the airflow path leaves the outside of the housing 10 through the mounting hole 211, the first sound emitting area 201, the third through hole 117, the airflow channel 116, the fourth through hole 118, the fourth chamber 126 and the first sound emitting hole 101 in sequence;
as shown in fig. 8, the second portion of the airflow path exits the outside of the casing 10 through the second sound emitting area 202, the first through hole 113, the upper receiving cavity 115, the second through hole 114, the fourth chamber 126 and the first sound emitting hole 101 in sequence;
as shown in fig. 9, the third portion of the airflow path exits the outside of the housing 10 through the third sound emitting area 203, the lower receiving chamber 125, and the second sound emitting hole 102 in this order.
To sum up, the utility model has the design key points that the overall structure is simple, the rationality is better, especially, the bass, the middle pitch and the treble are firstly respectively passed through the three chambers, then the middle pitch and the treble are converged and then are discharged through the independent first sound outlet, the bass is discharged from the second sound outlet, the level between the bass and the middle pitch is obvious through the independent distribution of the corresponding chambers and the set path of the corresponding sound outlet, and the tone quality effect of the product is effectively improved;
secondly, by the design of the fourth chamber, the middle tone and the low tone can be converged and mixed sufficiently and uniformly and then leave the shell, and the tone quality effect of the product is further improved;
moreover, whether the corresponding damping piece is arranged in the corresponding sound outlet area can be flexibly selected according to the actual design requirement;
and all parts are convenient and firm to assemble, and the stability and reliability of a subsequent earphone finished product in the using process are ensured.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a three tone chamber frequency division loudspeaker module which characterized in that: the loudspeaker comprises a shell and a loudspeaker single body, wherein the shell is provided with a cavity, a first sound outlet hole and a second sound outlet hole, the loudspeaker single body is arranged in the cavity, the cavity is divided into a first chamber, a second chamber and a third chamber by the loudspeaker single body, the first chamber and the second chamber are both communicated with the first sound outlet hole, and the third chamber is communicated with the second sound outlet hole;
the loudspeaker unit comprises a frame, a magnetic circuit assembly, a voice coil and a vibrating membrane;
the magnetic circuit component is provided with a first sound outlet area, the frame is provided with a mounting hole which vertically penetrates through the upper side and the lower side of the frame, the magnetic circuit component is arranged in the mounting hole, and the first sound outlet area is respectively communicated with the mounting hole and the lower side of the frame;
the upper end surface of the frame is provided with a hollowed structure at the periphery of the mounting hole, an isolation ring is formed on the frame, the hollowed structure is separated by the isolation ring to form a second sound outlet area and a third sound outlet area, the second sound outlet area is close to the magnetic circuit assembly, and the third sound outlet area is far away from the magnetic circuit assembly;
the vibrating membrane is connected with the voice coil, arranged on the lower side of the frame and covering the magnetic loop assembly, the second sound outlet area and the third sound outlet area; the first sound outlet area faces the first chamber, the second sound outlet area faces the second chamber, and the third sound outlet area faces the third chamber.
2. The three-cavity crossover horn module of claim 1, wherein: the upper end face of the frame corresponds to the periphery of the mounting hole and integrally extends upwards to form a first cylinder part, the second sound outlet area is located between the first cylinder part and the isolating ring, and the third sound outlet area is located on the periphery of the isolating ring.
3. The three-tone cavity crossover horn module of claim 1, wherein: the first sound outlet hole and the second sound outlet hole are both located on the same side of the shell.
4. The three-tone cavity crossover horn module of claim 1, wherein: the shell comprises an upper shell and a lower shell, and the upper shell is detachably connected to the lower shell.
5. The three-tone cavity crossover horn module of claim 4, wherein: the lower shell is provided with a bottom plate part and a first side wall integrally and upwards extending from the upper end surface of the bottom plate part;
the loudspeaker box is characterized in that a lower accommodating cavity with an upper end opening is formed between the inner wall of the first side wall and the upper end face of the bottom plate part, the loudspeaker unit is installed in the lower accommodating cavity, a third cavity is formed between the lower end face of the upper shell and the inner wall of the lower accommodating cavity, and a third sound outlet area of the loudspeaker unit is located in the third cavity.
6. The three-tone cavity crossover horn module of claim 5, wherein: a second side wall is integrally formed by extending the upper end face of the bottom plate part upwards, the first side wall surrounds the periphery of the second side wall, a fourth cavity with an opening at the upper end is formed between the inner wall of the second side wall and the upper end face of the bottom plate part, and the fourth cavity is communicated with the first sound outlet;
after the upper shell and the lower shell are assembled, the upper shell covers the upper end opening of the fourth cavity, and the first cavity and the second cavity are communicated with the first sound outlet through the fourth cavity.
7. The three-tone cavity crossover horn module of claim 4, wherein: the upper shell is provided with a first through hole, a second through hole and an upper accommodating cavity, and the upper accommodating cavity is communicated with the first through hole and the second through hole respectively to form a second cavity;
the loudspeaker monomer is installed and is held the intracavity and the free second of loudspeaker goes out the sound district and holds the chamber through first through-hole intercommunication on, the first sound hole of second through-hole intercommunication.
8. The three-tone cavity crossover horn module of claim 4, wherein: the upper shell is provided with an airflow channel, a third through hole and a fourth through hole, and two ends of the airflow channel are communicated with the third through hole and the fourth through hole to form a first chamber;
the first sound outlet area of the horn unit is connected with the air flow channel through a third through hole, and the fourth through hole is communicated with the first sound outlet hole.
9. The loudspeaker module of claim 8, wherein: go up the casing including apron portion and the shielding part of detachable connection, airflow channel, third through-hole and fourth through-hole all form on the apron portion.
10. The three-tone cavity crossover horn module of claim 1, wherein: the first sound outlet area, the second sound outlet area and the third sound outlet area are completely open, or at least one of the first sound outlet area, the second sound outlet area and the third sound outlet area is covered with a damping piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020992180.7U CN212519414U (en) | 2020-06-03 | 2020-06-03 | Three-sound-cavity frequency division horn module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020992180.7U CN212519414U (en) | 2020-06-03 | 2020-06-03 | Three-sound-cavity frequency division horn module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212519414U true CN212519414U (en) | 2021-02-09 |
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ID=74382384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020992180.7U Active CN212519414U (en) | 2020-06-03 | 2020-06-03 | Three-sound-cavity frequency division horn module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212519414U (en) |
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2020
- 2020-06-03 CN CN202020992180.7U patent/CN212519414U/en active Active
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