CN203912163U - Intelligent control type wireless Bluetooth sound system - Google Patents
Intelligent control type wireless Bluetooth sound system Download PDFInfo
- Publication number
- CN203912163U CN203912163U CN201420295846.8U CN201420295846U CN203912163U CN 203912163 U CN203912163 U CN 203912163U CN 201420295846 U CN201420295846 U CN 201420295846U CN 203912163 U CN203912163 U CN 203912163U
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- circuit
- lithium battery
- external
- sound source
- type wireless
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- Expired - Fee Related
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Abstract
The utility model discloses an intelligent control type wireless Bluetooth sound system. The system comprises a power supply circuit and a control circuit. In the power supply circuit, an external charging interface, a lithium battery charging management circuit, a lithium battery, a boost circuit, and a USB outward charging interface are connected in order. In the control circuit, a Bluetooth module is connected with one input terminal of a sound source switching module through an operational amplifier; an external sound source input terminal is connected with the other input terminal of the sound source switching module; and the output terminal of the sound source switching module is connected with a loudspeaker through a power amplification circuit. A button is connected with the control terminal of the sound source switching module. The lithium battery supplies power to the power amplification circuit through an electric-control switch. The electrical-control switch is controlled by an external sound source detection circuit, and the electrical-control switch is an MOS tube of a triode. The intelligent control type wireless Bluetooth sound system integrates Bluetooth, mobile power supply, and automatic power-on functions, and is flexible and convenient to use.
Description
Technical field
The utility model relates to a kind of intelligent control type wireless blue tooth sound system.
Background technology
Existing sound system, generally do not there is portable power source function and bluetooth module, and, the function that does not possess Auto Power On, use very inconvenience, therefore, the people also needs the more intelligent control type wireless blue tooth sound system of horn of plenty of a kind of function, to meet the growing demand of the people.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of intelligent control type wireless blue tooth sound system, and this intelligent control type wireless blue tooth sound system is integrated bluetooth, portable power source and automatic turn-on function is flexible and convenient to use.
The technical solution of utility model is as follows:
An intelligent control type wireless blue tooth sound system, comprises power supply circuits and control circuit;
In described power supply circuits, the external charging inlet of external charging interface, lithium battery charging management circuit, lithium battery, booster circuit and USB is connected successively;
In described control circuit, bluetooth module joins by an input of operational amplifier and audio source switch module, another input of external sound source input interface and audio source switch module joins, and the output of audio source switch module joins through power amplification circuit and loudspeaker; Press the control end of keyed jointing audio source switch module, lithium battery is that power amplification circuit is powered by electric-controlled switch, and described electric-controlled switch is controlled by external source of sound testing circuit;
Described electric-controlled switch is metal-oxide-semiconductor or triode;
Described lithium battery charging management circuit adopts BT4056 chip; Described booster circuit adopts BT2182 chip; Described bluetooth module adopts BT1207S chip.
Beneficial effect:
Intelligent control type wireless blue tooth sound system of the present utility model is integrated bluetooth, portable power source and automatic turn-on function, flexible and convenient to use.Especially by external source of sound testing circuit and electric-controlled switch, having realized automatic turn-on function, is an original creation.
This sound system, owing to also having booster circuit, can also be therefore other electronic equipment chargings; Selected multiple integration module, realize charge, boost, bluetooth communication etc., intelligent strong, be easy to realization, cost is low.
Accompanying drawing explanation
Fig. 1 is the general structure block diagram of intelligent control type wireless blue tooth sound system of the present utility model.
Embodiment
Below with reference to the drawings and specific embodiments, the utility model is described in further details:
Embodiment 1:
As shown in Figure 1, a kind of intelligent control type wireless blue tooth sound system, comprises power supply circuits and control circuit;
In described power supply circuits, the external charging inlet of external charging interface, lithium battery charging management circuit, lithium battery, booster circuit and USB is connected successively;
In described control circuit, bluetooth module joins by an input of operational amplifier and audio source switch module, another input of external sound source input interface and audio source switch module joins, and the output of audio source switch module joins through power amplification circuit and loudspeaker; Press the control end of keyed jointing audio source switch module, lithium battery is that power amplification circuit is powered by electric-controlled switch, and described electric-controlled switch is controlled by external source of sound testing circuit;
Described electric-controlled switch is metal-oxide-semiconductor or triode;
Described lithium battery charging management circuit adopts BT4056 chip; Described booster circuit adopts BT2182 chip; Described bluetooth module adopts BT1207S chip.
External source of sound testing circuit is existing mature technology, and for detection of external audio input interface state, when external audio signal line being detected and insert, external source of sound testing circuit output high level signal makes electric-controlled switch conducting, switches on power and starts shooting.
Audio source switch module is existing mature technology, has 2 passages, and each port number is capable is provided with a button, when button is pressed, connects one of them passage.
Audio signal is directly amplified by power amplification circuit and is exported by loudspeaker after audio source switch module.
External charging interface selects MICRO USB interface to introduce external power source; Use Charge Management IC BT4056 to realize charging and control, BT4056 is that a complete single-unit lithium ion battery just has constant current, the linear charging of constant voltage IC., and its inside has adopted PMOSFET framework; The BT2182 IC that boosts has the functions such as boost function, overcurrent protection, overload protection, under-voltage locking, overheat protector.
Claims (1)
1. an intelligent control type wireless blue tooth sound system, is characterized in that, comprises power supply circuits and control circuit;
In described power supply circuits, the external charging inlet of external charging interface, lithium battery charging management circuit, lithium battery, booster circuit and USB is connected successively;
In described control circuit, bluetooth module joins by an input of operational amplifier and audio source switch module, another input of external sound source input interface and audio source switch module joins, and the output of audio source switch module joins through power amplification circuit and loudspeaker; Press the control end of keyed jointing audio source switch module, lithium battery is that power amplification circuit is powered by electric-controlled switch, and described electric-controlled switch is controlled by external source of sound testing circuit;
Described electric-controlled switch is metal-oxide-semiconductor or triode;
Described lithium battery charging management circuit adopts BT4056 chip; Described booster circuit adopts BT2182 chip; Described bluetooth module adopts BT1207S chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420295846.8U CN203912163U (en) | 2014-06-05 | 2014-06-05 | Intelligent control type wireless Bluetooth sound system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420295846.8U CN203912163U (en) | 2014-06-05 | 2014-06-05 | Intelligent control type wireless Bluetooth sound system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203912163U true CN203912163U (en) | 2014-10-29 |
Family
ID=51786404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420295846.8U Expired - Fee Related CN203912163U (en) | 2014-06-05 | 2014-06-05 | Intelligent control type wireless Bluetooth sound system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203912163U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116953A (en) * | 2015-08-20 | 2015-12-02 | 宁波音王电声股份有限公司 | Sound moduler |
| CN106525106A (en) * | 2016-11-14 | 2017-03-22 | 上海欣影电力科技股份有限公司 | Detection apparatus for power transmission monitoring equipment sensor |
-
2014
- 2014-06-05 CN CN201420295846.8U patent/CN203912163U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116953A (en) * | 2015-08-20 | 2015-12-02 | 宁波音王电声股份有限公司 | Sound moduler |
| CN106525106A (en) * | 2016-11-14 | 2017-03-22 | 上海欣影电力科技股份有限公司 | Detection apparatus for power transmission monitoring equipment sensor |
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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: 20141029 Termination date: 20190605 |