CN210807632U - Horn with adjustable loudness - Google Patents
Horn with adjustable loudness Download PDFInfo
- Publication number
- CN210807632U CN210807632U CN201921638835.4U CN201921638835U CN210807632U CN 210807632 U CN210807632 U CN 210807632U CN 201921638835 U CN201921638835 U CN 201921638835U CN 210807632 U CN210807632 U CN 210807632U
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- loudspeaker
- voice coil
- loudness
- magnet
- power amplifier
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Abstract
The utility model relates to a method for adjusting loudspeaker loudness belongs to the loudspeaker field, and it includes the loudspeaker of an adjustable loudness, including the loudspeaker body, the loudspeaker body includes T iron, magnet, magnetic conductive plate, cone, voice coil loudspeaker voice coil, centering piece, vibrating diaphragm and dust cover, T iron orientation the tip of the one end of dust cover is provided with the mounting groove, be provided with collection system in the mounting groove, still include digital signal processor, power amplifier and collection system, digital signal processor with power amplifier and collection system connect, the power amplifier with this body coupling of loudspeaker. The utility model discloses can eliminate loudspeaker's vocal error.
Description
Technical Field
The utility model relates to a loudspeaker field, in particular to audio amplifier of adjustable loudness.
Background
Music is an important component of people's mental enjoyment. With the development of science and technology, more and more terminals capable of playing audio files are available, such as sound boxes, mobile phones, computers, MP3, and the like. A loudspeaker generally refers to a device that converts an audio signal into sound. The effect is often to convert the audio electrical energy into corresponding acoustic energy through a horn and radiate it into space. However, in the production process of the speaker in the sound box or along with the increase of the use time, the structure of the speaker and the preset structure may generate a certain error, so that the sound generated by the speaker generates a certain error, and although the error may be kept within the standard, the use feeling of the user may still be affected, so there is a need in the art for a speaker capable of adjusting the loudness in real time.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a loudspeaker of adjustable loudness, including the loudspeaker body, the loudspeaker body includes T iron, magnet, magnetic conduction board, cone, voice coil loudspeaker voice coil, centering piece, vibrating diaphragm and dust cover, T iron orientation the tip of the one end of dust cover is provided with the mounting groove, be provided with collection system in the mounting groove, still include digital signal processor, power amplifier and collection system, digital signal processor with power amplifier and collection system connect, the power amplifier with this body coupling of loudspeaker.
The T iron comprises a supporting part and a stand column arranged on the supporting part, the end part of the stand column on the T iron is provided with a mounting groove for mounting an acquisition device, the acquisition device comprises a laser transmitter and a laser receiver, the supporting part is sequentially and fixedly provided with a magnet and a magnetic conduction plate, the stand column is movably sleeved with a voice coil, the voice coil is cylindrical, the magnet and the magnetic conduction plate are arranged around the voice coil, the magnetic conduction plate is provided with a cone, the cone is bowl-shaped, the bottom of the cone is provided with a through hole for the voice coil to pass through, part of the voice coil passes through the through hole and enters the cone, the cone is also internally provided with a vibrating diaphragm, the vibrating diaphragm is bowl-shaped with an opening at the lower end, the edge of the opening at the upper end of the vibrating diaphragm is fixedly connected with the edge of the opening at the upper end of the cone, the edge of, the dust cover sets up in the lower part of vibrating diaphragm, and the edge of dust cover and the inside wall fixed connection of vibrating diaphragm, the bottom of cone still is provided with the centering piece, and the centering piece is the ring-type, and the inboard and the voice coil loudspeaker voice coil outside of centering piece offset, and the inboard and the voice coil loudspeaker voice coil outside slidable ground connection of centering piece for inject the voice coil loudspeaker voice coil and remove along the central line direction of voice coil loudspeaker voice coil.
Wherein, the laser emitter emits laser to the dust cover on the loudspeaker, the dust cover reflects the laser to the laser receiver, the vibration amplitude of the vibrating diaphragm provided with the dust cover and the vibration period in unit time can be measured, thereby the vibration frequency and the vibration amplitude of the vibrating diaphragm can be measured, the acquisition device transmits the vibration information to the digital signal processor after acquiring the vibration information of the vibrating diaphragm, the digital signal processor receives the vibration information transmitted by the acquisition information, the actual loudness sent by the loudspeaker can be calculated, then the actual loudness is compared with the preset loudness of the loudspeaker, the digital signal processor adjusts the voltage and the frequency of the sound signal according to the difference between the actual loudness and the preset loudness, thereby the purpose of adjusting the actual loudness is achieved, and the sound production errors are generated by the size errors of each component in the production process and the loss of each component in the use process of the loudspeaker, so that the actual loudness is consistent with the preset loudness or the difference is in a preset minimum range.
Preferably, the dust cover includes an irradiation portion provided perpendicular to a center line of the voice coil.
Laser emitter transmission laser in the mounting groove shines on the portion of shining, then the portion of shining reflects laser to laser receiver, and the perpendicular voice coil's of portion of shining central line setting can guarantee that laser is smoothly reflected back the mounting hole and is detected by laser receiver.
Preferably, the mounting groove is disposed through the T-iron.
The space between dust cover and the voice coil loudspeaker voice coil passes through mounting groove and external environment intercommunication to can carry out the air exchange with the external world, reach quick radiating effect.
Preferably, the magnet and the magnetic conduction plate are both annular, and the upright post is positioned on the inner sides of the magnet and the magnetic conduction plate.
Preferably, the magnet is a permanent magnet.
The principle and effect of the present invention will be further explained by combining the above technical solutions:
the utility model discloses in, collection system can gather vibration information and include the amplitude and the vibration frequency of vibrating diaphragm, digital signal processor receives after the vibration information that information acquisition sent and come, can calculate the actual loudness that loudspeaker sent, then contrast its preset loudness with loudspeaker, digital signal processor adjusts sound signal's voltage and frequency according to the difference of actual loudness with preset loudness, thereby reach the purpose of adjusting actual loudness, in order to eliminate this difference, thereby make actual loudness unanimous with preset loudness or its difference be in the minimum within range of presetting, thereby eliminate the size error of each part and the loss production sound production error of each part in the use of loudspeaker in process of production.
Drawings
Fig. 1 is a schematic sectional structure diagram of a horn according to an embodiment of the present invention.
Description of reference numerals:
11-supporting part, 12-upright post, 13-mounting groove, 2-magnet, 3-magnetic conduction plate, 4-cone, 5-vibrating diaphragm, 6-dust cover, 7-voice coil.
Detailed Description
To facilitate understanding of those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples:
as shown in fig. 1, a loudspeaker of adjustable loudness, includes the loudspeaker body, the loudspeaker body includes T iron, magnet 2, magnetic conductive plate 3, cone 4, voice coil loudspeaker voice coil 7, centering disk, vibrating diaphragm 5 and dust cover 6, T iron orientation the tip of the one end of dust cover 6 is provided with mounting groove 13, be provided with collection system in the mounting groove 13, still include digital signal processor, power amplifier and collection system, digital signal processor with power amplifier and collection system connect, the power amplifier with this body coupling of loudspeaker.
The T iron comprises a supporting part 11 and a stand column 12 arranged on the supporting part, a mounting groove 13 for mounting an acquisition device is arranged at the end part of the stand column 12 on the T iron, the acquisition device comprises a laser transmitter and a laser receiver, a magnet 2 and a magnetic conductive plate 3 are sequentially and fixedly arranged on the supporting part 11, a voice coil 7 is movably sleeved on the stand column 12, the voice coil 7 is cylindrical, the magnet 2 and the magnetic conductive plate 3 are both arranged around the voice coil 7, a cone 4 is arranged on the magnetic conductive plate 3, the cone 4 is bowl-shaped, a through hole for the voice coil 7 to pass through is arranged at the bottom of the cone 4, part of the voice coil 7 passes through the through hole and enters the cone 4, a vibrating diaphragm 5 is further arranged inside the cone 4, the vibrating diaphragm 5 is bowl-shaped with an open lower end, the edge of the open upper end of the vibrating diaphragm 5 is fixedly connected with the edge of the open end of the cone, and have the clearance between vibrating diaphragm 5 and cone 4, vibrating diaphragm 5 inboard still is provided with dust cover 6, dust cover 6 sets up in the lower part of vibrating diaphragm 5, and the edge of dust cover 6 and the inside wall fixed connection of vibrating diaphragm 5, the bottom of cone 4 still is provided with the centering piece, the centering piece is cyclic annular, the inboard and the voice coil loudspeaker voice coil 7 outside of centering piece offset, and the inboard and the voice coil loudspeaker voice coil 7 outside slidable of centering piece are connected for inject voice coil loudspeaker voice coil 7 and remove along the central line direction of voice coil loudspeaker voice coil 7.
Wherein, collection system can gather vibration information and include the amplitude and the vibration frequency of vibrating diaphragm 5, digital signal processor receives after the vibration information that information acquisition sent and come, can calculate the actual loudness that loudspeaker sent, then compare its preset loudness with loudspeaker, digital signal processor adjusts sound signal's voltage and frequency according to the difference of actual loudness with preset loudness, thereby reach the purpose of adjusting actual loudness, in order to eliminate this difference, thereby make actual loudness unanimous with preset loudness or its difference be in the minimum scope of presetting, thereby eliminate the size error of loudspeaker in process of production each part and the loss production sound production error of each part in the use.
Wherein, when collection system gathered the vibration information of vibrating diaphragm, laser emitter transmission laser arrived dust cover 6 on the loudspeaker, and dust cover 6 reflects laser to laser receiver, can calculate the vibration range of the vibrating diaphragm 5 of installing dust cover 6 and the vibration cycle in the unit interval to can calculate the vibration frequency and the vibration range of vibrating diaphragm 5.
In one embodiment, the dust cover 6 includes an irradiation portion disposed perpendicular to a center line of the voice coil 7.
Laser emitter in the mounting groove sends laser irradiation on the portion of shining, then the portion of shining reflects laser to laser receiver, and the perpendicular voice coil's of portion of shining central line setting can guarantee that laser is smoothly reflected back mounting hole 13 and is detected by laser receiver.
In one embodiment, the mounting slot 13 is disposed through the T-bar.
The space between the dust cover 6 and the voice coil 7 is communicated with the external environment through the mounting groove 13, so that air exchange can be carried out with the outside, and the effect of rapid heat dissipation is achieved.
In one embodiment, the magnet 2 and the magnetic conductive plate 3 are both annular, and the column 12 is located inside the magnet 2 and the magnetic conductive plate 3.
In one embodiment, the magnet 2 is a permanent magnet.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. A loudspeaker with adjustable loudness comprises a loudspeaker body, wherein the loudspeaker body comprises T iron, a magnet, a magnetic conductive plate, a cone, a voice coil, a centering support sheet, a vibrating diaphragm and a dust cover; still include digital signal processor, power amplifier and collection system, digital signal processor with power amplifier and collection system connect, the power amplifier with this body coupling of loudspeaker, T iron includes the supporting part and sets up the stand on the supporting part.
2. The adjustable loudness horn of claim 1, wherein the dust shield comprises an illumination disposed perpendicular to a centerline of the voice coil.
3. The adjustable loudness horn of claim 1, wherein the mounting slot is disposed through the T-iron.
4. The adjustable loudness loudspeaker of claim 1, wherein the magnet and the magnetically conductive plate are both annular, and the post is located inside the magnet and the magnetically conductive plate.
5. The adjustable loudness horn of claim 1, wherein the magnet is a permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921638835.4U CN210807632U (en) | 2019-09-29 | 2019-09-29 | Horn with adjustable loudness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921638835.4U CN210807632U (en) | 2019-09-29 | 2019-09-29 | Horn with adjustable loudness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210807632U true CN210807632U (en) | 2020-06-19 |
Family
ID=71229890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921638835.4U Active CN210807632U (en) | 2019-09-29 | 2019-09-29 | Horn with adjustable loudness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210807632U (en) |
-
2019
- 2019-09-29 CN CN201921638835.4U patent/CN210807632U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Jie Inventor before: Liu Luqin |