CN102427570A - Wireless sound box - Google Patents
Wireless sound box Download PDFInfo
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- CN102427570A CN102427570A CN2011103920774A CN201110392077A CN102427570A CN 102427570 A CN102427570 A CN 102427570A CN 2011103920774 A CN2011103920774 A CN 2011103920774A CN 201110392077 A CN201110392077 A CN 201110392077A CN 102427570 A CN102427570 A CN 102427570A
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Abstract
The invention provides a wireless sound box, belonging to the field of sound boxes and solving the problem that the playing of the sound box is required to be realized by connection of a cable and a computer. The wireless sound box comprises a main control circuit, a power amplifying assembly, a frequency divider, a sound system, a sound source selection circuit, an AUX (Auxiliary) audio interface, an earphone amplifying circuit and a WIFI (Wireless Fidelity) audio receiving circuit, wherein the sound source selection circuit is used for receiving a signal of the AUX audio interface connected with an earphone and then driving the earphone amplifying circuit to work, or receiving the audio signal of the WIFI audio receiving circuit and then driving the power amplifying assembly to work, and is used for respectively driving a left sound box and a right sound box of the sound system to play audio. The wireless sound box can be used for playing the audio without a cable and has the advantages of simple structure and attractiveness.
Description
Technical field
The invention belongs to the audio amplifier field, relate to wireless sound box, particularly a kind of wireless sound box based on the WIFI technology.
Background technology
Audio amplifier is the requisite electrical equipment of people's playing back music, and playing back music is a kind of enjoyment to the people of delight in music whenever and wherever possible.In family or local bigger place, usually only in a room or a fixing place place audio amplifier, can not satisfy the demand in whole family or place, therefore must have very long wiring to lead another room from the audio amplifier in a room, be unfavorable for attractive in appearance.
Summary of the invention
The objective of the invention is to have the problems referred to above, proposed a kind of wireless sound box of avoiding long line to existing technology.
The object of the invention can be realized through following technical proposal: a kind of wireless sound box is provided; Comprise governor circuit, power amplifier components, frequency divider, sound system; Also comprise source of sound selection circuit, AUX COBBAIF, earphone amplifying circuit and WIFI audio frequency receiving circuit; Said source of sound selects circuit to receive the signal rear drive earphone amplifying circuit work that said AUX COBBAIF is connected with earphone; Drive the left voice box and the right voice box audio plays of said sound system respectively perhaps in the said power amplifier components work of the audio signal rear drive that receives said WIFI audio frequency receiving circuit, and through frequency divider.
In above-mentioned wireless sound box, said governor circuit comprises MCU control circuit and EPROM memory module.
In above-mentioned wireless sound box, said governor circuit is connected with infrared receiving circuit.
In above-mentioned wireless sound box, said wireless sound box also comprises IR remote controller, and said IR remote controller emissioning controling signal, said infrared receiving circuit receive this control signal and drive the operating state of said governor circuit.
In above-mentioned wireless sound box, be connected with the function indicating circuit on the said governor circuit.
In above-mentioned wireless sound box, be connected with temperature and overload protecting circuit on the said governor circuit.
In above-mentioned wireless sound box, be connected with the R channel load detecting circuit on the said governor circuit.
In above-mentioned wireless sound box, be connected with the headset detection circuit on the said governor circuit.
In above-mentioned wireless sound box, said governor circuit is connected with the film key circuit.
In above-mentioned wireless sound box, said wireless sound box also comprises 24 volts of DC/DC power circuits that change 5 volts.
Compared with prior art; Because wireless sound box of the present invention has AUX COBBAIF and WIFI audio frequency receiving circuit simultaneously; Said WIFI audio frequency receiving circuit can carry out transfer of data through wireless router and computer, and then the voice data on the computer can be transferred to WIFI audio frequency receiving circuit and transfer audio signal to and play through sound system, thereby realizes the real-time play of computer network music; And whole audio amplifier wireless connections have solved wired aesthetic problem well.
Description of drawings
Fig. 1 is the structured flowchart of wireless sound box of the present invention;
Fig. 2 is the circuit diagram that the source of sound of wireless sound box shown in Figure 1 is selected circuit and AUX COBBAIF;
Fig. 3 is the power amplifier components circuit diagram of wireless sound box shown in Figure 1;
Fig. 4 is the governor circuit figure of the wireless sound box among Fig. 1;
Fig. 5 is the circuit diagram of the film key circuit of wireless sound box shown in Figure 1.
Embodiment
Below be specific embodiment of the present invention and combine accompanying drawing, technical scheme of the present invention is done further to describe, but the present invention is not limited to these embodiment.
The present invention provides a kind of wireless sound box; Comprise governor circuit, power amplifier components, frequency divider, sound system, AUX COBBAIF, earphone amplifying circuit, WIFI audio frequency receiving circuit, infrared receiving circuit, IR remote controller, function indicating circuit, temperature and overload protecting circuit, R channel load detecting circuit, headset detection circuit, film key circuit, and 24 volts of DC/DC power circuits that change 5 volts.
The concrete structure of wireless sound box connects as shown in Figure 1.Governor circuit selects circuit to be connected with source of sound, and shown in Figure 4 is the MCU control circuit of governor circuit, and this circuit and EPROM memory module connect and compose governor circuit, are used to realize the overall control to whole audio amplifier.
Among Fig. 4, the external pin 9,10 of chip U1 is connected with a LED light TP9, TP1 respectively, and it constitutes function indicating circuit of the present invention, is used for showing the operation conditionss such as ON/OFF of audio amplifier.Simultaneously, external pin 18,19 is connected with the both positive and negative polarity of R channel load detecting circuit, is used to detect the R channel load.
Source of sound selects circuit as shown in Figure 2, and it is connected with governor circuit realizes the signal transmission.This circuit left side is the AUX COBBAIF of J1 end and J2 end formation, and J1, J2 end are respectively L channel input and R channel input.The external pin 27,28 of chip U2 is the positive and negative electrode of L channel output, and external pin 29,30 is the positive and negative electrode of R channel output.Chip U2 also is connected with WIFI audio frequency receiving circuit, and promptly source of sound selects circuit to be connected with WIFI audio frequency receiving circuit with the AUX COBBAIF simultaneously.Utilize this circuit, can when the AUX COBBAIF is connected with earphone, receive the signal rear drive earphone amplifying circuit work that this is connected with earphone, be the earphone playing back music; And when the WIFI audio frequency receives circuit working, in case the audio signal that source of sound selects circuit to receive from WIFI audio frequency receiving circuit promptly drives power amplifier components work at once.
Power amplifier components comprises L channel power amplifier and R channel power amplifier, and Fig. 3 has shown R channel power amplifier figure.As shown in Figure 3, capacitor C 61, the C64 external connection end in circuit left side are the input of audio signal, promptly are connected with the pin two 9,30 of chip U2.This circuit right side is a R channel power amplifier output, is used for being connected with right voice box.L channel power amplifier and frequency divider thereof in like manner can get.Power amplifier components receives the audio signal of WIFI audio frequency receiving circuit, under the driving of source of sound selection circuit, promptly carries out work, and sends into corresponding audio amplifier broadcast after utilizing frequency divider to distinguish different frequency range.Audio amplifier comprises left voice box and right voice box, and the two constitutes sound system.
Shown in Figure 5ly be the film key circuit of wireless sound box of the present invention, it is connected with governor circuit, and the switch etc. that is used to control audio amplifier is regulated action, and for example button TP5 is used for realizing the ON/OFF of audio amplifier among Fig. 5, and button TP3, TP4 are used for transferring big or turn volume down.Wireless sound box of the present invention also comprises 24 volts of DC/DC power circuits that change 5 volts.
Radio operation also is provided with infrared receiving circuit on the governor circuit of the present invention for ease, and audio amplifier also is equipped with infrared reception remote controller, and frequency is all elected 40KHz as.Utilize the IR remote controller emissioning controling signal, said infrared receiving circuit receives this control signal and drives the operating state of said governor circuit, for example the adjusting of the ON/OFF of audio amplifier, volume etc.
In addition, as shown in Figure 1, also can connect temperature and overload protecting circuit and headset detection circuit on the governor circuit of the present invention, these circuit all belong to conventional prior art, and its physical circuit and structure this paper no longer give unnecessary details.
Wireless sound box of the present invention; Utilize the WIFI technology; Employing WIFI audio frequency receiving circuit comes received audio signal and selects circuit to send into to the left voice box/right voice box of sound system through source of sound and play, thereby realizes wireless connections and the ANTENNAUDIO transfer of data between audio amplifier and the terminals such as computer or mobile phone; Simultaneously, adopt IR remote controller and infrared receiving circuit, can realize any control in the limited range, improve the degree of freedom that audio amplifier uses, be convenient for people to playing back music and enjoy music whenever and wherever possible.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although the possibility of using other term do not got rid of in terms such as that this paper has used is wireless, audio amplifier, governor circuit, WIFI morely.Using these terms only is in order to describe and explain essence of the present invention more easily; It all is contrary with spirit of the present invention being construed to any additional restriction to them.
Claims (10)
1. wireless sound box; Comprise governor circuit, power amplifier components, frequency divider, sound system; It is characterized in that; Said wireless sound box also comprises source of sound selection circuit, AUX COBBAIF, earphone amplifying circuit and WIFI audio frequency receiving circuit; Said source of sound selects circuit to receive the signal rear drive earphone amplifying circuit work that said AUX COBBAIF is connected with earphone, and perhaps in the said power amplifier components work of the audio signal rear drive that receives said WIFI audio frequency receiving circuit, and the process frequency divider drives the left voice box and the right voice box audio plays of said sound system respectively.
2. wireless sound box according to claim 1 is characterized in that, said governor circuit comprises MCU control circuit and EPROM memory module.
3. wireless sound box according to claim 1 is characterized in that said governor circuit also is connected with infrared receiving circuit.
4. wireless sound box according to claim 3 is characterized in that said wireless sound box also comprises IR remote controller, and said IR remote controller emissioning controling signal, said infrared receiving circuit receive this control signal and drive the operating state of said governor circuit.
5. wireless sound box according to claim 1 is characterized in that, also is connected with the function indicating circuit on the said governor circuit.
6. wireless sound box according to claim 1 is characterized in that, also is connected with temperature and overload protecting circuit on the said governor circuit.
7. wireless sound box according to claim 1 is characterized in that, also is connected with the R channel load detecting circuit on the said governor circuit.
8. wireless sound box according to claim 1 is characterized in that, also is connected with the headset detection circuit on the said governor circuit.
9. wireless sound box according to claim 1 is characterized in that said governor circuit also is connected with the film key circuit.
10. wireless sound box according to claim 1 is characterized in that, said wireless sound box also comprises 24 volts of DC/DC power circuits that change 5 volts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110392077.4A CN102427570B (en) | 2011-11-29 | 2011-11-29 | Wireless sound box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110392077.4A CN102427570B (en) | 2011-11-29 | 2011-11-29 | Wireless sound box |
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| Publication Number | Publication Date |
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| CN102427570A true CN102427570A (en) | 2012-04-25 |
| CN102427570B CN102427570B (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110392077.4A Active CN102427570B (en) | 2011-11-29 | 2011-11-29 | Wireless sound box |
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| CN (1) | CN102427570B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103747391A (en) * | 2013-06-26 | 2014-04-23 | 苏州联科盛世科技有限公司 | Sound box with dual-wireless mode and control method thereof |
| CN104661154A (en) * | 2015-02-13 | 2015-05-27 | 无锡市崇安区科技创业服务中心 | Smart sound box adopting WIFI (wireless fidelity) and used for preventing reduction of antenna radiation efficiency |
| CN104732989A (en) * | 2015-01-26 | 2015-06-24 | 湖南天冠电子信息技术有限公司 | Intelligent music playing control system and method |
| CN104796816A (en) * | 2015-02-13 | 2015-07-22 | 无锡市崇安区科技创业服务中心 | Automatic-switching WIFI intelligent sound box |
| CN104811850A (en) * | 2015-02-13 | 2015-07-29 | 无锡市崇安区科技创业服务中心 | WIFI based intelligent sound box |
| CN105120394A (en) * | 2015-07-30 | 2015-12-02 | 苏州玄禾物联网科技有限公司 | Adaptively volume-adjusting WIFI sound box |
| CN105163227A (en) * | 2015-07-30 | 2015-12-16 | 苏州玄禾物联网科技有限公司 | Method for adaptive adjustment of volume of WIFI sound box |
| CN108649706A (en) * | 2018-04-26 | 2018-10-12 | Oppo广东移动通信有限公司 | A kind of wireless charging circuit and wearable device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103747391A (en) * | 2013-06-26 | 2014-04-23 | 苏州联科盛世科技有限公司 | Sound box with dual-wireless mode and control method thereof |
| CN104732989A (en) * | 2015-01-26 | 2015-06-24 | 湖南天冠电子信息技术有限公司 | Intelligent music playing control system and method |
| CN104732989B (en) * | 2015-01-26 | 2017-09-22 | 湖南天冠电子信息技术有限公司 | Intelligent music broadcasting control system and its control method |
| CN104661154A (en) * | 2015-02-13 | 2015-05-27 | 无锡市崇安区科技创业服务中心 | Smart sound box adopting WIFI (wireless fidelity) and used for preventing reduction of antenna radiation efficiency |
| CN104796816A (en) * | 2015-02-13 | 2015-07-22 | 无锡市崇安区科技创业服务中心 | Automatic-switching WIFI intelligent sound box |
| CN104811850A (en) * | 2015-02-13 | 2015-07-29 | 无锡市崇安区科技创业服务中心 | WIFI based intelligent sound box |
| CN105120394A (en) * | 2015-07-30 | 2015-12-02 | 苏州玄禾物联网科技有限公司 | Adaptively volume-adjusting WIFI sound box |
| CN105163227A (en) * | 2015-07-30 | 2015-12-16 | 苏州玄禾物联网科技有限公司 | Method for adaptive adjustment of volume of WIFI sound box |
| CN108649706A (en) * | 2018-04-26 | 2018-10-12 | Oppo广东移动通信有限公司 | A kind of wireless charging circuit and wearable device |
| CN108649706B (en) * | 2018-04-26 | 2021-10-22 | Oppo广东移动通信有限公司 | Wireless charging circuit and wearable equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102427570B (en) | 2015-12-02 |
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