CN203104749U - Multifunctional integrated portable sound equipment - Google Patents
Multifunctional integrated portable sound equipment Download PDFInfo
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- CN203104749U CN203104749U CN 201220364984 CN201220364984U CN203104749U CN 203104749 U CN203104749 U CN 203104749U CN 201220364984 CN201220364984 CN 201220364984 CN 201220364984 U CN201220364984 U CN 201220364984U CN 203104749 U CN203104749 U CN 203104749U
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Abstract
The utility model provides a piece of multifunctional integrated portable sound equipment, which comprises a casing, a power amplifier circuit and a power supply circuit, wherein the power amplifier circuit and the power supply circuit are installed in the casing. The power amplifier circuit comprises a player input circuit, a microphone input circuit, an audio frequency output circuit, a bending circuit and a player gain circuit. Branches of input ends of the player input circuit and the microphone input circuit are all provided with a volume adjusting circuit. With the multifunctional integrated portable sound equipment, multipath audio signals can be processed, input audio signals of each path are correspondingly provided with the volume adjusting circuit or a tone adjusting circuit, and a user can carry out selective synthesis and output of the multipath audio signals. The multifunctional integrated portable sound equipment is simple in circuit structure, can be highly integrated, is small and exquisite in size and convenient to carry after being encapsulated in the casing, omits tedious wiring and is characterized by simple operation, so that non-professional persons can generate wonderful music of various styles based on preferences.
Description
Technical field
The utility model relates to a kind of stereo set, relates in particular to a kind of multifunctional integrated portable audio equipment.
Background technology
Existing stereo set exists accessible audio signal single, the user can't realize that music making is with synthetic etc. by single sound equipment, therefore, have only the professional person could synthesize beautiful music, the amateur can't really realize the enjoyment of music making.
The utility model content
The purpose of this utility model is at the problems referred to above, and a kind of multipath audio signal of handling is provided, and multipath audio signal is carried out the multifunctional integrated portable audio equipment that selectivity is synthetic and export.
For this reason, the utility model is by the following technical solutions:
A kind of multifunctional integrated portable audio equipment, comprise casing and be installed on casing interior power amplifier and power supply circuits, described power amplifier comprises player input circuit, microphone input circuit, audio output circuit, pressure sound circuit and player gain circuitry; The output of player input circuit is connected to the input of audio output circuit successively through overvoltage sound circuit and player gain circuitry; One branch road of the output of microphone input circuit and the input of audio output circuit electrically connect, and another branch road electrically connects with the Drive and Control Circuit of pressing the sound circuit; Each input place branch road of described player input circuit, microphone input circuit is equipped with a volume control circuit.
Described pressure sound circuit also comprises potentiometer and the field effect transistor that is parallel between input and the output, and described Drive and Control Circuit and field effect transistor electrically connect, and are used for the size according to microphone input circuit institute output signal, the conducting state of control field effect transistor.
Described Drive and Control Circuit and one presses the sound status display circuit to electrically connect, and described pressure sound status display circuit comprises a LED and drive circuit thereof, is used for showing the operating state of pressing the sound circuit with the state state that flickers of LED.
The player input circuit comprises first to fourth player input, and first to fourth player input is respectively through being electrically connected to the output of player input circuit behind the volume control circuit.
Described microphone input circuit comprises first to the 3rd microphone input; The first microphone input and the second microphone input are respectively through being electrically connected to the audio mixing inverting input of first gain circuitry behind the volume control circuit, the output of first gain circuitry through behind reverberation circuit, the 3rd gain circuitry, the mixing volume control circuit, is electrically connected to the audio mixing inverting input of total microphone gain circuit successively; The 3rd microphone input through behind second gain circuitry, first tone circuit and the volume control circuit, is electrically connected to the audio mixing inverting input of total microphone gain circuit successively; The output of total microphone gain circuit is the output of microphone input circuit.
Described reverberation circuit comprises respectively second tone circuit and the reverberation delay circuit that electrically connects with its input, be connected to the output of reverberation circuit behind the reverberation delay circuit process reverberation volume control circuit, the output of second tone circuit is connected to the output of reverberation circuit.
The first microphone input and the second microphone input are the wireless microphone input, are connected with a built-in wireless microphone receiver on it respectively; The 3rd microphone input is the wire microphone input.
Described audio output circuit comprises the output gain circuit that electrically connects successively, total volume control circuit, D class amplifirer and frequency divider, wherein, the input of output gain circuit is the input of audio output circuit, and the output of output gain circuit also electrically connects with the line signal output of audio output circuit; Two outputs of frequency divider connect loudspeaker unit and bass horn unit respectively.
Described player input circuit also comprises built-in MP3 decoding module, built-in CD decoder module, key-press module and display module, and the described second player input is electrically connected with built-in MP3 decoding module, key-press module and display module; Described the 3rd player input is electrically connected with built-in CD decoder module, key-press module and display module.
Described power supply circuits comprise power management module, AC adapter and batteries, AC adapter is connected with power management module respectively with batteries, the power output end of described power management module and power amplifier electrically connect, and are used for powering to power amplifier.
Multifunctional integrated portable audio equipment of the present utility model can be handled multipath audio signal, the audio signal of each road input is equipped with corresponding volume control circuit or tone circuit, and the user can carry out the synthetic and output of selectivity to multipath audio signal.The circuit structure of multifunctional integrated portable audio equipment of the present utility model is simple, can be highly integrated, be packaged in the shell after, volume is small and exquisite, is easy to carry; Removed loaded down with trivial details wiring from, had characteristics simple to operate, even be not the beautiful music that the professional person also can produce different style according to hobby.
Description of drawings
Fig. 1 is the structural representation of the power amplifier of multifunctional integrated portable audio equipment of the present utility model.
Fig. 2 is the structural representation of the power supply circuits of multifunctional integrated portable audio equipment of the present utility model.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is further described in detail.
Multifunctional integrated portable audio equipment of the present utility model comprises casing and is installed on casing interior power amplifier and power supply circuits.
As shown in Figure 1, described power amplifier comprises player input circuit, microphone input circuit, audio output circuit, pressure sound circuit and player gain circuitry G5.Each input place branch road of described player input circuit, microphone input circuit is equipped with a volume control circuit.
Described player input circuit comprises the first player input iPod, the second player input MP3, the 3rd player input CD and the 4th player input Line, is respectively applied for the audio signal that receives iPod, MP3, CD and conventional external source of sound input.First to fourth player input through behind the first volume control circuit V1, the second volume control circuit V2, the 3rd volume control circuit V3 and the 4th volume control circuit V4, is connected to the output of player input circuit respectively.
As improvement, described player input circuit also comprises built-in MP3 decoding module, built-in CD decoder module, key-press module and display module (not illustrating in the drawings), and the described second player input MP3 is electrically connected with built-in MP3 decoding module, key-press module and display module; Described the 3rd player input CD is electrically connected with built-in CD decoder module, key-press module and display module.
Successively after overvoltage sound circuit and player gain circuitry G5 handle, be connected to the input of audio output circuit from the audio signal of player input circuit output.
Particularly, described pressure sound circuit comprises potentiometer 3RP12, field effect transistor 3Q6 and Drive and Control Circuit C1.Potentiometer 3RP12 and field effect transistor 3Q6 are parallel between the input and output of pressing the sound circuit, Drive and Control Circuit C1 and field effect transistor 3Q6 electrically connect, and are used for the conducting state according to the size control field effect transistor 3Q6 of microphone input circuit institute output signal.Wherein, described Drive and Control Circuit C1 can be any common field effect transistor drive circuit or transistor drive circuit.
In the course of work of power amplifier, when if the voice signal of microphone input circuit output reaches the circuit pre-set threshold, Drive and Control Circuit C1 control field effect transistor 3Q6 ends, and then makes it open circuit with decay player music signal, makes audio output circuit mainly export voice signal.Wherein, the amplitude of decay music signal can be regulated by potentiometer 3RP12.
As improvement, described Drive and Control Circuit C1 also presses the sound status display circuit to electrically connect (not illustrating in the drawings) with one, and described pressure sound status display circuit comprises a LED and drive circuit thereof, is used for showing the operating state of pressing the sound circuit with the state that flickers of LED.
Described microphone input circuit comprises the first microphone input MIC1, the second microphone input MIC2 and the 3rd microphone input MIC3.Wherein, the first microphone input MIC1 and the second microphone input MIC2 are the wireless microphone input, are connected with a built-in wireless microphone receiver on it respectively, are used for the wireless voice signal of the demodulation first wireless microphone W1 and second wireless microphone W2 input.
Voice signal after the demodulation carries out the volume adjusting through five notes of traditional Chinese music amount regulating circuit V5 and the 6th volume control circuit V6 respectively from the first microphone input MIC1 and second microphone input MIC2 input.Two paths of signals after the process volume is regulated mixes amplification in the first gain circuitry G1 after, carry out processing such as the adjustment of reverberation audio, reverb signal amplification and the adjusting of reverberation volume through reverberation circuit, the 3rd gain circuitry G3, mixing volume control circuit V9 successively, be input to the audio mixing inverting input of total microphone gain circuit G4 at last.
Particularly, in described reverberation circuit, export the reverberation time delayed signal through reverberation delay circuit E1 and reverberation volume control circuit V8 successively by a branch road of first gain circuitry G1 output; Another branch road is through the straight-through voice signal of reverberation tone circuit T2 output.Reverberation time delayed signal and straight-through voice signal output to the 3rd gain circuitry G3 after mixing.
The 3rd microphone input MIC3 is the wire microphone input, and it is electrically connected with external cable microphone by lead-in wire.Successively through behind the second gain circuitry G2, the first tone circuit T1 and the subtonic amount regulating circuit V7, be electrically connected to the audio mixing inverting input of total microphone gain circuit G4 from wired voice signal of external cable microphone input.
After the signal mixing amplification of total microphone gain circuit with three input inputs, the voice signal of output is divided into two branch roads.Wherein a branch road is input to the Drive and Control Circuit C1 that presses the sound circuit as the sampling drive signal of pressing the sound circuit, and with the break-make of control field effect transistor 3Q6, and then realization is to the pressure sound control system and the restore funcitons of music signal.Another branch road is input to audio output circuit with the audio signal of player gain amplifier G5 output.
In audio output circuit, voice signal and audio signal through output gain circuit G6 mix amplify after, export the line signal output Line Out of one road signal to audio output circuit, be used to output signal to other external players.Enter D class amplifirer A1 after another road signal of output is regulated through total volume control circuit V10 and carry out power amplification, output to frequency divider F1 frequency division again, and finally emit treated music and voice signal from loudspeaker cell S P1 and bass horn cell S P2.
As shown in Figure 2, the power supply circuits of the utility model embodiment comprise power management module P2, AC adapter P1 and batteries B1, the high-pressure side of AC adapter P1 is electrically connected with the city, the dc low-voltage output is connected with power management module P2, and batteries B1 also is connected with power management module P2.Described power management module P2 has a plurality of power output ends, and wherein, main power source output Vcc is electrically connected with power amplifier, is used for powering to power amplifier.All the other power output ends are respectively applied for to iPod, the CD or the power supply of MP3 playback equipment that are connected on the stereo set.When AC adapter P1 and civil power connection, charge to batteries B1 by power management module P2, and to power amplifier and the power supply of various playback equipment.When AC adapter P1 and civil power disconnection, then power by power management module P2 by batteries B1.
Above-mentioned various volume control circuits, tone circuit, gain circuitry, power amplifier, frequency divider and charging circuit all can adopt the usual circuit structure that adopts of sound equipment design field, owing to being whole structural design, improvement of the present utility model do not lie in the concrete improvement in the foregoing circuit, therefore, at this concrete structure of each circuit is described no longer, those skilled in the art can adopt and the suitable circuit structure of desired properties parameter as required.In addition, above-mentioned various volume control circuits, tone circuit, charging circuit all casing are provided with corresponding knob or switch, to be user-friendly for various adjustings.
Multifunctional integrated portable audio equipment of the present utility model can be handled multipath audio signal, the audio signal of each road input is equipped with corresponding volume control circuit or tone circuit, and the user can carry out the synthetic and output of selectivity to multipath audio signal.The circuit structure of multifunctional integrated portable audio equipment of the present utility model is simple, can be highly integrated, be packaged in the shell after, volume is small and exquisite, is easy to carry; Removed loaded down with trivial details wiring from, had characteristics simple to operate, even be not the beautiful music that the professional person also can produce different style according to hobby.
The above embodiment has only expressed execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. multifunctional integrated portable audio equipment, it is characterized in that, comprise casing and be installed on casing interior power amplifier and power supply circuits, described power amplifier comprises player input circuit, microphone input circuit, audio output circuit, pressure sound circuit and player gain circuitry; The output of player input circuit is connected to the input of audio output circuit successively through overvoltage sound circuit and player gain circuitry; One branch road of the output of microphone input circuit and the input of audio output circuit electrically connect, and another branch road electrically connects with the Drive and Control Circuit of pressing the sound circuit; Each input place branch road of described player input circuit, microphone input circuit is equipped with a volume control circuit.
2. multifunctional integrated portable audio equipment according to claim 1, it is characterized in that, described pressure sound circuit also comprises potentiometer and the field effect transistor that is parallel between input and the output, described Drive and Control Circuit and field effect transistor electrically connect, be used for size, the conducting state of control field effect transistor according to microphone input circuit institute output signal.
3. multifunctional integrated portable audio equipment according to claim 2, it is characterized in that, described Drive and Control Circuit and one presses the sound status display circuit to electrically connect, described pressure sound status display circuit comprises a LED and drive circuit thereof, is used for showing the operating state of pressing the sound circuit with the state state that flickers of LED.
4. multifunctional integrated portable audio equipment according to claim 1, it is characterized in that, the player input circuit comprises first to fourth player input, and first to fourth player input is respectively through being electrically connected to the output of player input circuit behind the volume control circuit.
5. multifunctional integrated portable audio equipment according to claim 1 is characterized in that described microphone input circuit comprises first to the 3rd microphone input; The first microphone input and the second microphone input are respectively through being electrically connected to the audio mixing inverting input of first gain circuitry behind the volume control circuit, the output of first gain circuitry through behind reverberation circuit, the 3rd gain circuitry, the mixing volume control circuit, is electrically connected to the audio mixing inverting input of total microphone gain circuit successively; The 3rd microphone input through behind second gain circuitry, first tone circuit and the volume control circuit, is electrically connected to the audio mixing inverting input of total microphone gain circuit successively; The output of total microphone gain circuit is the output of microphone input circuit.
6. multifunctional integrated portable audio equipment according to claim 5, it is characterized in that, described reverberation circuit comprises respectively second tone circuit and the reverberation delay circuit that electrically connects with its input, be connected to the output of reverberation circuit behind the reverberation delay circuit process reverberation volume control circuit, the output of second tone circuit is connected to the output of reverberation circuit.
7. multifunctional integrated portable audio equipment according to claim 5 is characterized in that, the first microphone input and the second microphone input are the wireless microphone input, is connected with a built-in wireless microphone receiver on it respectively; The 3rd microphone input is the wire microphone input.
8. multifunctional integrated portable audio equipment according to claim 1, it is characterized in that, described audio output circuit comprises the output gain circuit that electrically connects successively, total volume control circuit, D class amplifirer and frequency divider, wherein, the input of output gain circuit is the input of audio output circuit, and the output of output gain circuit also electrically connects with the line signal output of audio output circuit; Two outputs of frequency divider connect loudspeaker unit and bass horn unit respectively.
9. multifunctional integrated portable audio equipment according to claim 4, it is characterized in that, described player input circuit also comprises built-in MP3 decoding module, built-in CD decoder module, key-press module and display module, and the described second player input is electrically connected with built-in MP3 decoding module, key-press module and display module; Described the 3rd player input is electrically connected with built-in CD decoder module, key-press module and display module.
10. multifunctional integrated portable audio equipment according to claim 1, it is characterized in that, described power supply circuits comprise power management module, AC adapter and batteries, AC adapter is connected with power management module respectively with batteries, the power output end of described power management module and power amplifier electrically connect, and are used for powering to power amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220364984 CN203104749U (en) | 2012-07-26 | 2012-07-26 | Multifunctional integrated portable sound equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220364984 CN203104749U (en) | 2012-07-26 | 2012-07-26 | Multifunctional integrated portable sound equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203104749U true CN203104749U (en) | 2013-07-31 |
Family
ID=48856118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220364984 Expired - Lifetime CN203104749U (en) | 2012-07-26 | 2012-07-26 | Multifunctional integrated portable sound equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203104749U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104821628A (en) * | 2015-05-20 | 2015-08-05 | 北京小声科技有限公司 | Super capacitor sound box device and control method |
| CN105976844A (en) * | 2016-04-29 | 2016-09-28 | 高翔 | Audio file generation method and device |
| CN111866664A (en) * | 2020-07-20 | 2020-10-30 | 深圳市康冠商用科技有限公司 | Audio processing method, device, equipment and computer readable storage medium |
-
2012
- 2012-07-26 CN CN 201220364984 patent/CN203104749U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104821628A (en) * | 2015-05-20 | 2015-08-05 | 北京小声科技有限公司 | Super capacitor sound box device and control method |
| CN105976844A (en) * | 2016-04-29 | 2016-09-28 | 高翔 | Audio file generation method and device |
| CN111866664A (en) * | 2020-07-20 | 2020-10-30 | 深圳市康冠商用科技有限公司 | Audio processing method, device, equipment and computer readable storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510820, Guangzhou, Guangdong province Huadu District charcoal step Feida Industrial Park Patentee after: FIRST AUDIO MANUFACTURING Co.,Ltd. Address before: 510820, Guangzhou, Guangdong province Huadu District charcoal step Feida Industrial Park Patentee before: GUANGZHOU FIDEK PROFESSIONAL AUDIO EQUIPMENT Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |
|
| CX01 | Expiry of patent term |