CN204741551U - Multi -functional stereo set - Google Patents
Multi -functional stereo set Download PDFInfo
- Publication number
- CN204741551U CN204741551U CN201520495161.2U CN201520495161U CN204741551U CN 204741551 U CN204741551 U CN 204741551U CN 201520495161 U CN201520495161 U CN 201520495161U CN 204741551 U CN204741551 U CN 204741551U
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- amplification circuit
- power amplification
- audio
- module
- power
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Abstract
The utility model discloses a multi -functional stereo set, including the stereo set main part, the inside of stereo set main part is equipped with main control unit, light control ware, audio interface module, tweeter, woofer, a power amplification circuit, the 2nd power amplification circuit, bluetooth module and power module, and the side of stereo set main part is equipped with the LED banks, the front of stereo set main part is all located to tweeter and woofer, light control ware, audio interface module, a power amplification circuit, the 2nd power amplification circuit, bluetooth module and power module respectively with main control unit electric connection, LED banks and light control ware electric connection, a tweeter and a power amplification circuit electric connection, woofer and the 2nd power amplification circuit electric connection. The utility model discloses multiple audio input can be received, better audio output is realized to have active light source output effect.
Description
Technical field
The utility model relates to a kind of multi-functional audio.
Background technology
It is very ripe that acoustic product appearance has developed so far, be mainly the common sound equipment be connected with various player, these sound equipments generally need external cord, cause inconvenience to the user, and existing acoustic product function singleness, user's variation and show the demand of individual character day by day cannot be met, therefore need the sound equipment providing function abundanter.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of multi-functional audio, can receive the input of multiple audio frequency, realizes better audio frequency and exports, and be with sporty light source output effect.
For solving the problem, the technical scheme that the utility model adopts is as follows:
A kind of multi-functional audio, comprise sound equipment main body, the inside of sound equipment main body is provided with master controller, lamp dimmer, Audio interface block, tweeter, woofer, first power amplification circuit, second power amplification circuit, bluetooth module and power module, the side of sound equipment main body is provided with LED group, the front of sound equipment main body is all located at by described tweeter and woofer, described lamp dimmer, Audio interface block, first power amplification circuit, second power amplification circuit, bluetooth module and power module are electrically connected with master controller respectively, described LED group and lamp dimmer are electrically connected, described tweeter and the first power amplification circuit are electrically connected, described woofer and the second power amplification circuit are electrically connected, the audio signal that described master controller transmits for audio reception interface module or bluetooth module, by the first power amplification circuit to tweeter output audio signal, by the second power amplification circuit to woofer output audio signal, and send the digital signal be directly proportional to the voltage exporting the second power amplification circuit to lamp dimmer, described lamp dimmer is used for the brightness according to the Digital Signals LED group received,
Described first power amplification circuit is identical with the structure of the second power amplification circuit, and include the first power amplifier and the second power amplifier, the output of the first power amplifier is connected with the input of the second power amplifier, is connected with a silence switch circuit between the first power amplifier and the second power amplifier.
Preferably, Audio interface block comprises 3.5mm audio interface, USB input interface and TF card interface.
Preferably, the inside of sound equipment main body also comprises NFC module, and described NFC module and master controller are electrically connected.
Preferably, the inside of sound equipment main body also comprises MIC module, and described MIC module and master controller are electrically connected.
Preferably, the back side of sound equipment main body is provided with control button, and described control button and master controller are electrically connected.
Compared to existing technology, the beneficial effects of the utility model are: 1, can receive the input of multiple audio frequency, the equipment enabling user select audio frequency easily to input; 2, corresponding power amplifier being set respectively by exporting for high frequency output and medium and low frequency, realizing better audio frequency and exporting; 3, the brightness of LED group changes along with the exporting change of woofer, is with sporty light source output effect, can also control the fixing output of LED group in addition, as common lighting; 4, by the first power amplification circuit and the second power amplification circuit, its signal voltage be added on corresponding loud speaker is homophase, and so no matter the input signal of whole power amplification circuit is much, in the mute state, the signal exported is zero, and muting function is better.
Accompanying drawing explanation
Fig. 1 is the circuit module figure of multi-functional audio of the present utility model.
Fig. 2 is the structure chart of multi-functional audio of the present utility model.
Fig. 3 is the structure chart of power amplification circuit of the present utility model.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the utility model is described further:
Fig. 1 and Fig. 2 is multi-functional audio of the present utility model, comprise sound equipment main body 1, the inside of sound equipment main body 1 comprises master controller 11, lamp dimmer 12, Audio interface block 13, tweeter 14, woofer 15, first power amplification circuit 16, second power amplification circuit 17, bluetooth module 18, NFC module 19, MIC module 20 and power module 21, the side of sound equipment main body 1 is provided with LED group 22, concrete, LED group 22 is arranged on the left surface of sound equipment main body 1, right flank and upper side, the back side of sound equipment main body 1 is provided with control button 23, control button 23 comprises shift knob, volume button, the adaptive button of bluetooth, signal light control button and audio frequency input switching push button etc.The front of sound equipment main body is located at by tweeter 14 and woofer 15, and tweeter 14 is preferably two, and woofer 15 is preferably one.Audio interface block 13 comprises 3.5mm audio interface, USB input interface and TF card interface.
Lamp dimmer 12, Audio interface block 13, first power amplification circuit 16, second power amplification circuit 17, bluetooth module 18, NFC module 19, MIC module 20, control button 23 and power module 21 are electrically connected with master controller 11 respectively, LED group 22 and lamp dimmer 12 are electrically connected, tweeter 14 and the first power amplification circuit 16 are electrically connected, and woofer 15 and the second power amplification circuit 17 are electrically connected.
Master controller 11 is by Audio interface block 13 and the input of bluetooth module 18 audio reception, concrete can by corresponding control button 23 at 3.5mm audio interface, USB input interface, switch audio frequency input between TF card interface and bluetooth module 18, quick bluetooth can also be carried out by NFC module 19 with the smart machine with NFC function and be connected.Tweeter 14 and woofer 15 is exported to after carrying out power amplifier respectively by the first power amplification circuit 16 and the second power amplification circuit 17 after receiving audio signal, by arranging corresponding power amplifier to tweeter 14 and woofer 15 respectively, audio signal can be made to be controlled better, to export truer and stratified sound.When master controller 11 is to the second power amplification circuit 17 output voltage signal, the digital signal of direct ratio can be exported to lamp dimmer 12 according to the size of voltage signal, lamp dimmer 12 controls the brightness of LED group 22 according to the size of digital signal, concrete, namely when master controller 11 increases to the voltage that woofer 15 exports, the brightness of LED group 22 can increase, when voltage reduces, the brightness of LED group 22 can weaken, thus the brightness of LED group 22 is changed according to the voice output change of woofer 15, form the rich sporty rhythm of light, user also can control by corresponding the mode of operation that LED group 22 is switched to Chang Liang by button 23, now LED group 22 keeps certain power stage, lighting can be used as.In addition, user by MIC module 20 to sound equipment input voice, both can also record, and also can be connected with smart mobile phone in conjunction with bluetooth module 18 and to carry out voice call.
Fig. 3 is the circuit structure of the first power amplification circuit 16 in this programme and the second power amplification circuit 17, and the first power amplification circuit 16 is identical with the structure of the second power amplification circuit 17.Circuit structure is specially: comprise the first power amplifier A1 and the second power amplifier A2 that two push-pull bridge loads (BTL) connect, the input of the first power amplifier A1 connects an input resistance Rin, be connected with an input capacitance Cin between input signal end Is and input resistance Rin, the input of the first power amplifier A1 and output end vo+between connect a feedback resistance Rf; The input of the second power amplifier A2 and output end vo-between connect one first resistance R1, connect a silence switch circuit between two power amplifiers A1, A2, and its output end vo+, connect a loud speaker Ls between Vo-.Silent mode mainly by silence switch control circui, thus makes audio power amplifying circuit be operated in quiet output state, and no matter the input signal of whole power amplification circuit is much, and in the mute state, the signal of output is zero, and muting function is better.The signal of the utility model output end vo+output is that output amplitude is equal, phase place is contrary with the signal of another output end vo-output, its connected mode can provide the larger output signal amplitude of oscillation to load, thus larger power output is provided, the gain of whole power amplifier is determined by the external input resistance Rin of the first power amplifier A1 and feedback resistance Rf.
The utility model has the advantage of: the input of multiple audio frequency 1, can be received, the equipment enabling user select audio frequency easily to input; 2, corresponding power amplifier being set respectively by exporting for high frequency output and medium and low frequency, realizing better audio frequency and exporting; 3, the brightness of LED group changes along with the exporting change of woofer, is with sporty light source output effect, can also control the fixing output of LED group in addition, as common lighting; 4, by the first power amplification circuit and the second power amplification circuit, its signal voltage be added on corresponding loud speaker is homophase, and so no matter the input signal of whole power amplification circuit is much, in the mute state, the signal exported is zero, and muting function is better.
To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection range of the utility model claim.
Claims (5)
1. a multi-functional audio, it is characterized in that, comprise sound equipment main body, the inside of sound equipment main body is provided with master controller, lamp dimmer, Audio interface block, tweeter, woofer, first power amplification circuit, second power amplification circuit, bluetooth module and power module, the side of sound equipment main body is provided with LED group, the front of sound equipment main body is all located at by described tweeter and woofer, described lamp dimmer, Audio interface block, first power amplification circuit, second power amplification circuit, bluetooth module and power module are electrically connected with master controller respectively, described LED group and lamp dimmer are electrically connected, described tweeter and the first power amplification circuit are electrically connected, described woofer and the second power amplification circuit are electrically connected, the audio signal that described master controller transmits for audio reception interface module or bluetooth module, by the first power amplification circuit to tweeter output audio signal, by the second power amplification circuit to woofer output audio signal, and send the digital signal be directly proportional to the voltage exporting the second power amplification circuit to lamp dimmer, described lamp dimmer is used for the brightness according to the Digital Signals LED group received,
Described first power amplification circuit is identical with the structure of the second power amplification circuit, and include the first power amplifier and the second power amplifier, the output of the first power amplifier is connected with the input of the second power amplifier, is connected with a silence switch circuit between the first power amplifier and the second power amplifier.
2. multi-functional audio according to claim 1, is characterized in that, Audio interface block comprises 3.5mm audio interface, USB input interface and TF card interface.
3. multi-functional audio according to claim 1, is characterized in that, the inside of sound equipment main body also comprises NFC module, and described NFC module and master controller are electrically connected.
4. multi-functional audio according to claim 1, is characterized in that, the inside of sound equipment main body also comprises MIC module, and described MIC module and master controller are electrically connected.
5. multi-functional audio according to claim 1, is characterized in that, the back side of sound equipment main body is provided with control button, and described control button and master controller are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520495161.2U CN204741551U (en) | 2015-07-09 | 2015-07-09 | Multi -functional stereo set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520495161.2U CN204741551U (en) | 2015-07-09 | 2015-07-09 | Multi -functional stereo set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204741551U true CN204741551U (en) | 2015-11-04 |
Family
ID=54423268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520495161.2U Expired - Fee Related CN204741551U (en) | 2015-07-09 | 2015-07-09 | Multi -functional stereo set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204741551U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231449A (en) * | 2016-08-31 | 2016-12-14 | 北海威德电子科技有限公司 | Dynamic lamp light loudspeaker box |
-
2015
- 2015-07-09 CN CN201520495161.2U patent/CN204741551U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231449A (en) * | 2016-08-31 | 2016-12-14 | 北海威德电子科技有限公司 | Dynamic lamp light loudspeaker box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151104 Termination date: 20180709 |