CN217063998U - Horn and loudspeaker - Google Patents
Horn and loudspeaker Download PDFInfo
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- CN217063998U CN217063998U CN202220433559.3U CN202220433559U CN217063998U CN 217063998 U CN217063998 U CN 217063998U CN 202220433559 U CN202220433559 U CN 202220433559U CN 217063998 U CN217063998 U CN 217063998U
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Abstract
The utility model discloses a bugle, include: the shell is provided with an inner cavity, a first opening and a second opening opposite to the first opening, and the first opening and the second opening are communicated with the inner cavity; the phase plug comprises a first section and a second section which are arranged one by one, the first section is arranged in the inner cavity and is separated from the cavity wall of the inner cavity to form a sound wave channel, the first opening and the second opening are communicated through the sound wave channel, and the second section extends out of the first opening and is used for being inserted into the throat of the loudspeaker and is in clearance fit with the throat of the loudspeaker. It can effectively improve the sound wave frequency response characteristic of speaker throat department, prevents to produce the standing wave in speaker throat department to can prevent that the sound wave from at speaker throat department distortion, make the tone quality of diffusing away through this number angle better. The utility model also discloses a speaker, its sound wave frequency response characteristic that can effectively improve larynx department prevents to produce the standing wave in larynx department to can prevent that the sound wave from locating the distortion at the larynx, make this speaker have the emulation performance.
Description
Technical Field
The utility model relates to a bugle and speaker.
Background
The loudspeaker mainly converts electric energy into sound energy through a physical effect, also called as an electroacoustic transducer, and is constructed in such a way that the voice coil vibrates back and forth in a magnetic air gap along with the continuous change of time by means of the intensity and direction of current flowing through the voice coil, a vibrating diaphragm (cone) is fixed on the voice coil, the voice coil drives the vibrating diaphragm to vibrate up and down, the vibration of the vibrating diaphragm radiates sound waves outwards, and therefore the conversion between the electroacoustic energy is realized.
The existing loudspeakers are various in types, and if the existing loudspeakers are distinguished according to the sound radiation mode, the existing loudspeakers can be divided into a direct radiation type and an indirect radiation type, wherein the former is that a sound body radiates sound to the air directly, and the latter is that the sound body radiates sound to the air through a horn. The existing horn speaker mainly comprises: the structure of the shell, the wave guide piece, the driver and the like, wherein one end of the shell is provided with a first opening which is circular, and the opposite end is provided with a second opening which is elongated square; the wave guide piece is arranged in the shell and is a solid body, the section of the wave guide piece is a diamond shape, and the peripheral surface of the wave guide piece is provided with a positioning body which is assembled on the shell; the driver comprises a voice coil and a vibrating diaphragm, and is arranged in the first opening of the shell. When the voice coil is electrically connected with an external power supply and the vibrating diaphragm vibrates, the vibrating diaphragm concentrates radiated sound waves at one point (the sound waves at the moment are in a point sound source type), then the radiated sound waves are transmitted along the waveguide piece and along the space between the vibrating diaphragm and the shell, the sound waves are converted, in the process of speaking, the radiated sound waves are gradually converted into annular sound waves along the upper rhombic section of the waveguide piece and along the space between the radiating sound waves and the shell, then the annular sound waves continue to be collected to the second opening along the lower rhombic section of the waveguide piece, the annular sound waves are converted into linear sound sources, and finally the converted linear sound sources are transmitted and transmitted from the second opening.
However, although the conventional horn speaker can convert sound waves into linear sound sources without interference, the sound sources tend to generate standing waves at the throat (the throat communicates with the first opening) of the driver, and resonance occurs, so that the transmitted sound is distorted to some extent.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a horn which can reduce standing waves and improve sound wave energy, thereby reducing loudspeaker distortion and having superior loudspeaker simulation performance; the utility model aims at providing a speaker still.
The purpose of the utility model is realized by adopting the following technical scheme:
a horn, comprising:
the shell is provided with an inner cavity, a first opening and a second opening opposite to the first opening, and the first opening and the second opening are communicated with the inner cavity;
the phase plug comprises a first section and a second section which are arranged one by one, the first section is arranged in the inner cavity and is arranged at a distance from the wall of the inner cavity to form a sound wave channel, the sound wave channel is used for communicating the first opening with the second opening, and the second section extends out of the first opening and is used for being inserted into the throat of the loudspeaker and is in clearance fit with the throat of the loudspeaker.
Further, the outer diameter of the first section tapers from its end near the second section in a direction away from the second section.
Further, the cross-sectional profile of the first section is conical.
Furthermore, the end part of the first section, which is close to the second opening, is provided with a first inclined plane and a second inclined plane, the first inclined plane and the second inclined plane are respectively arranged at two sides of the second opening in the width direction, and the first inclined plane and the second inclined plane are connected at one side close to the second opening.
Further, the inner cavity comprises a first cavity section and a second cavity section which are arranged one by one and communicated with each other, the first cavity section is close to the first opening, the inner diameters of the first cavity section are equal everywhere, the second cavity section is close to the second opening, the inner diameter of the second cavity section along the length direction of the second opening is gradually enlarged from one end of the second cavity section close to the first cavity section to the second opening, and the cross section profile of the second cavity section along the width direction of the second opening is in a diamond shape;
the first section includes first stopper body section and the second stopper body section that sets up one by one, first stopper body section is inserted and is located in the first cavity section and with the inner wall of first cavity section is separated by the setting, the second stopper body section is inserted and is located in the second cavity section and with the inner wall of second cavity section is separated by the setting, the outer contour shape of second stopper body section with the interior contour shape adaptation of second cavity section, the second stopper body section is equipped with first inclined plane and second inclined plane.
Further, the outer diameter of the first plug body segment tapers from an end proximate the second segment toward the second plug body segment.
Further, the first opening is circular, and the second opening is rectangular.
Further, the casing is including the first casing section and the second casing section that set up one by one, first casing section is equipped with first opening, the external diameter department of first casing section equals, just first casing section is kept away from the tip of second casing section is equipped with the holding ring, the holding ring is arranged in inserting and locates the speaker throat mouth, the external diameter of second casing section is from being close to the one end court of first casing section the second opening expands gradually, just be equipped with the linking arm on the periphery wall of second casing section, the linking arm is used for being connected with the speaker.
Further, the outer contour shape of the end of the second housing section close to the second opening is rectangular.
Furthermore, the connecting arms are arranged on two opposite sides of the end portion, close to the second opening, of the second shell section in the width direction of the second shell section.
The loudspeaker comprises a loudspeaker body and the horn.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a bugle, because of the phase place stopper is equipped with the second section that stretches out outside the first opening, during the installation, fix casing and speaker, ensure first opening and speaker throat intercommunication, the second section inserts in the speaker throat and with speaker throat clearance fit, the second section can effectively improve the sound wave frequency response characteristic of speaker throat department, prevent to produce the standing wave in speaker throat department, thereby can prevent that the sound wave is distorted in speaker throat department, make the speaker that uses this bugle have good emulation performance;
the utility model discloses a loudspeaker, because of adopted this bugle, its sound wave frequency response characteristic that can effectively improve larynx department prevents to produce the standing wave in larynx department to can prevent that the sound wave from locating the distortion at the larynx, make this loudspeaker have good emulation performance.
Drawings
FIG. 1 is a schematic structural view of a horn of the present invention;
FIG. 2 is a top view of the horn shown in FIG. 1;
FIG. 3 is a cross-sectional view of the horn shown in FIG. 1;
fig. 4 is a cross-sectional view of the horn of the present invention at another viewing angle;
FIG. 5 is an exploded view of the horn shown in FIG. 1;
FIG. 6 is a cross-sectional view of the horn shown in FIG. 5;
fig. 7 is a schematic structural view of the horn of the present invention at another viewing angle;
figure 8 is a cross-sectional view of the horn shown in figure 7.
In the figure: 10. a housing; 11. an inner cavity; 111. a first cavity section; 112. a second chamber section; 12. a first opening; 13. a second opening; 14. a first housing section; 15. a second housing section; 16. a connecting arm; 17. a positioning ring; 20. a phase plug; 21. a first stage; 211. a first plug section; 212. a second plug section; 2121. a first inclined plane; 2122. a second inclined surface; 22. a second stage; 23. a linker; 30. and (4) an acoustic wave channel.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
Referring to fig. 1-8, a horn according to a preferred embodiment of the present invention is shown, comprising: the shell 10 is provided with an inner cavity 11, a first opening 12 and a second opening 13 opposite to the first opening 12, and the first opening 12 and the second opening 13 are communicated with the inner cavity 11; the phase plug 20 comprises a first section 21 and a second section 22 which are arranged one by one, the first section 21 is arranged in the inner cavity 11 and is arranged at a distance from the cavity wall of the inner cavity 11 to form a sound wave channel 30, the sound wave channel 30 is communicated with the first opening 12 and the second opening 13, and the second section 22 extends out of the first opening 12 and is used for being inserted into the throat of the loudspeaker and is in clearance fit with the throat of the loudspeaker.
The utility model discloses a bugle, be equipped with because of phase place stopper 20 and stretch out the outer second section 22 of first opening 12, during the installation, it is fixed with casing 10 and speaker, ensure first opening 12 and speaker throat intercommunication, second section 22 insert in the speaker throat and with speaker throat clearance fit, second section 22 can effectively improve the sound wave frequency response characteristic of speaker throat department, prevent to produce the standing wave in speaker throat department, thereby can prevent that the sound wave from being out of shape in speaker throat department, make the tone quality of going out through this bugle diffusion better.
In the present embodiment, the outer diameter of the first section 21 tapers from the end thereof close to the second section 22 to the direction away from the second section 22, and this structure can cause the sound wave to generate multi-directional scattering, significantly disturb the frequency of the sound wave, effectively avoid the generation of standing waves, and reduce distortion.
In the present embodiment, the cross-sectional profile of the first section 21 is conical, which is simple and practical, and has superior standing wave prevention performance.
Referring to fig. 2, in this embodiment, a first inclined surface 2121 and a second inclined surface 2122 are disposed at an end of the first section 21 close to the second opening 13, the first inclined surface 2121 and the second inclined surface 2122 are respectively disposed at two sides of the second opening 13 in the width direction, and both the first inclined surface 2121 and the second inclined surface 2122 are connected to a side close to the second opening 13, and the first inclined surface 2121 and the second inclined surface 2122 are configured to guide sound waves to be converted from annular sound waves into linear sound waves, so that interference with sound waves emitted by other speakers can be effectively prevented, and sound quality is better.
In the present embodiment, the inner chamber 11 includes a first chamber segment 111 and a second chamber segment 112 which are arranged one by one and are communicated with each other, the first chamber segment 111 is close to the first opening 12, the inner diameter of the first chamber segment 111 is equal everywhere, the second chamber segment 112 is close to the second opening 13, the inner diameter of the second chamber segment 112 along the length direction of the second opening 13 is gradually enlarged from one end close to the first chamber segment 111 to the second opening 13, and the cross-sectional profile of the second chamber segment 112 along the width direction of the second opening 13 is in a diamond shape;
the first segment 21 includes a first plug body segment 211 and a second plug body segment 212 arranged one by one, the first plug body segment 211 is inserted into the first cavity segment 111 and arranged apart from an inner wall of the first cavity segment 111, the second plug body segment 212 is inserted into the second cavity segment 112 and arranged apart from an inner wall of the second cavity segment 112, an outer contour shape of the second plug body segment 212 is adapted to an inner contour shape of the second cavity segment 112, and the second plug body segment 212 is provided with a first inclined surface 2121 and a second inclined surface 2122. This structure can effectively prevent to produce the standing wave in casing 10 is inside, can further improve the acoustic wave energy, and tone quality is better.
In this embodiment, the outer diameter of the first plug section 211 tapers from the end close to the second section 22 toward the second plug section 212, so that the standing wave can be effectively reduced, the acoustic energy can be further improved, and the sound quality is better.
In this embodiment, the outer circumferential wall of the first section 21 is provided with a connecting body 23, the inner wall of the housing 10 is provided with a connecting groove, and the connecting body 23 is provided in the connecting groove to securely mount the phase plug 20 in the housing 10.
Specifically, the outer circumferential walls of the first plug body section 211 and the second plug body section 212 are both provided with connecting bodies 23, correspondingly, the inner walls of the first cavity section 111 and the second cavity section 112 are both provided with connecting grooves, and the connecting bodies 23 are inserted into the connecting grooves in a one-to-one correspondence manner, so that the phase plug 20 is more firmly and reliably mounted.
In this embodiment, the first opening 12 is circular, and the second opening 13 is rectangular, so that the sound waves are converted from the point sound source through the sound wave channel 30, and then diffused through the second opening 13 to form a linear sound source, thereby preventing interference with the sound waves diffused from other speakers.
In this embodiment, the housing 10 includes a first housing section 14 and a second housing section 15 arranged one by one, the first housing section 14 is provided with a first opening 12, an outer diameter of the first housing section 14 is equal everywhere, an end of the first housing section 14 far away from the second housing section 15 is provided with a positioning ring 17, the positioning ring 17 is used for being inserted into a throat of the speaker, an outer diameter of the second housing section 15 gradually expands from an end close to the first housing section 14 toward the second opening 13, and a peripheral wall of the second housing section 15 is provided with a connecting arm 16, and the connecting arm 16 is used for connecting with the speaker. This structure is more convenient with this number angle assembly on the speaker, does benefit to and reduces the assembly degree of difficulty, simultaneously, also can not cause the interference to the speaker.
In this embodiment, the outer contour of the end of the second casing section 15 close to the second opening 13 is rectangular, so that the horns of two adjacent speakers can be conveniently assembled in an array manner.
In the present embodiment, the end portion of the second casing section 15 close to the second opening 13 is provided with connecting arms 16 on two opposite sides in the width direction thereof, so as to facilitate the array assembly of two adjacent horns in the length direction of the second opening 13.
The utility model also provides a speaker, including speaker body and foretell bugle.
The utility model discloses a loudspeaker, because of adopted this bugle, its sound wave frequency response characteristic that can effectively improve larynx department prevents to produce the standing wave in larynx department to can prevent that the sound wave from locating the distortion at the larynx, make this loudspeaker have the emulation performance.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (10)
1. Bugle, its characterized in that includes:
the shell is provided with an inner cavity, a first opening and a second opening opposite to the first opening, and the first opening and the second opening are communicated with the inner cavity;
the phase plug comprises a first section and a second section which are arranged one by one, the first section is arranged in the inner cavity and is separated from the cavity wall of the inner cavity to form a sound wave channel, the sound wave channel is used for communicating the first opening and the second opening, and the second section extends out of the first opening and is used for being inserted into the throat of the loudspeaker and is in clearance fit with the throat of the loudspeaker.
2. The horn of claim 1, wherein the outer diameter of the first segment tapers from its end proximate the second segment toward the direction away from the second segment.
3. The horn according to claim 1, wherein the first segment has a first inclined surface and a second inclined surface at an end thereof adjacent to the second opening, the first inclined surface and the second inclined surface are respectively disposed at both sides of the second opening in the width direction, and both the first inclined surface and the second inclined surface are connected at a side thereof adjacent to the second opening.
4. The horn according to claim 3, wherein the inner cavity comprises a first cavity segment and a second cavity segment which are arranged one after another and communicate with each other, the first cavity segment is adjacent to the first opening, the inner diameter of the first cavity segment is equal everywhere, the second cavity segment is adjacent to the second opening, the inner diameter of the second cavity segment along the length direction of the second opening is gradually enlarged from the end thereof adjacent to the first cavity segment toward the second opening, and the cross-sectional profile of the second cavity segment along the width direction of the second opening has a diamond shape;
the first section includes first stopper body section and the second stopper body section that sets up one by one, first stopper body section is inserted and is located in the first cavity section and with the inner wall of first cavity section is separated by the setting, the second stopper body section is inserted and is located in the second cavity section and with the inner wall of second cavity section is separated by the setting, the outer contour shape of second stopper body section with the interior contour shape adaptation of second cavity section, the second stopper body section is equipped with first inclined plane and second inclined plane.
5. The horn of claim 4, wherein the outer diameter of the first plug body segment tapers from an end proximate the second segment toward the second plug body segment.
6. The horn of claim 1, wherein said first opening is circular and said second opening is rectangular.
7. The horn according to claim 1, wherein the housing comprises a first housing section and a second housing section, the first housing section is provided with the first opening, the outer diameter of the first housing section is equal everywhere, the end of the first housing section, which is far away from the second housing section, is provided with a positioning ring, the positioning ring is used for being inserted into a throat opening of a loudspeaker, the outer diameter of the second housing section is gradually enlarged from one end, which is close to the first housing section, to the second opening, and a peripheral wall of the second housing section is provided with a connecting arm, and the connecting arm is used for being connected with the loudspeaker.
8. A bugle according to claim 7, wherein the outer contour shape of the end of the second housing section near the second opening is rectangular.
9. The horn of claim 8, wherein the end of the second shell section proximate the second opening is provided with the connecting arms on opposite sides in the width direction thereof.
10. Loudspeaker, characterized in that it comprises a loudspeaker body and a horn according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220433559.3U CN217063998U (en) | 2022-03-01 | 2022-03-01 | Horn and loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220433559.3U CN217063998U (en) | 2022-03-01 | 2022-03-01 | Horn and loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217063998U true CN217063998U (en) | 2022-07-26 |
Family
ID=82486304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220433559.3U Active CN217063998U (en) | 2022-03-01 | 2022-03-01 | Horn and loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217063998U (en) |
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2022
- 2022-03-01 CN CN202220433559.3U patent/CN217063998U/en active Active
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