CN103066669A - Wireless microphone charging base circuit and charging method - Google Patents
Wireless microphone charging base circuit and charging method Download PDFInfo
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- CN103066669A CN103066669A CN2013100421966A CN201310042196A CN103066669A CN 103066669 A CN103066669 A CN 103066669A CN 2013100421966 A CN2013100421966 A CN 2013100421966A CN 201310042196 A CN201310042196 A CN 201310042196A CN 103066669 A CN103066669 A CN 103066669A
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Abstract
The invention provides a wireless microphone charging base circuit and a charging method. The circuit comprises a charging coil and a charging circuit board which are electrically connected, wherein a control chip is arranged on the charging circuit board; and a power supply module, a charging circuit and an induction charging module are connected to the control chip. The wireless microphone battery is charged by employing a non-contact wireless charging technology, the manual cost brought by the detachable charging mode can be reduced, the power can be automatically cut off, the energy is saved, and the service life of the battery is prolonged; and moreover, the fault hidden danger brought by the contact spring type charging mode is completely eliminated.
Description
Technical field
The present invention relates to electricity field, refer to especially a kind of wireless microphone charging base circuit and charging method.
Background technology
Present wireless microphone battery on the market has two kinds of charging modes.A kind of is that battery is split out from microphone, utilizes seat to be charged into the row charging.Charging need to split troublesome poeration with microphone and battery like this; And after battery is full of electricity, also be difficult to accomplish timely deenergization, and not only cause the waste of the energy, also can shorten the useful life of battery.Another kind of charging modes is the contact charging, generally pass through the contact reed power taking of microphone hand holding handle bottom, and this reed gets rusty easily in the middle of the environment of humidity perhaps after repeatedly using, thus initiating failure.
Above problem is all because the design defect of the charging modes of wireless microphone battery causes.Because therefore the energy waste that brings of the traditional charge mode of wireless microphone battery and be easy to initiating failure is necessary its charge mode is improved.
Summary of the invention
The present invention proposes a kind of wireless microphone charging base circuit and charging method, has solved the energy waste that traditional charging method brings and the problem that is easy to initiating failure.
Technical scheme of the present invention is achieved in that
A kind of wireless microphone charging base circuit, described circuit comprises charge coil and the charging circuit board of electrical connection; Be provided with control chip on the described charging circuit board, be connected with power supply module, charging circuit and induction charging module on the described control chip.
Preferably, described control chip is chip STC11F04, and described charging circuit comprises filtration module and driver module, and the charging pin of described control chip is connected with described induction charging module with driver module by described filtration module.
Preferably, described driver module comprises amplifier Q2, amplifier Q3 and the amplifier Q4 of electrical connection.
Preferably, be connected with charging indicator light on the described control chip.
Preferably, the voltage that the method is answered by the charging valve feel of control chip judges whether to send the wireless charging electric wave of fixed frequency, if then by induction coil inductive microphone is charged.
Preferably, described control chip is chip STC11F04, and described charging pin is connected with described induction coil with driver module by filtration module.
Preferably, described charging pin detects 5 volts of high level that continue more than 10 seconds, then no longer sends the wireless charging electric wave of fixed frequency, stops charging.
The present invention adopts contactless wireless charging technology to the charging of wireless microphone battery, has following beneficial effect:
1. reduce the human cost that the detachable charging modes brings;
But 2. charge complete after the automatic disconnection charge mode, stop charging, energy savings has also prolonged useful life of battery;
3. can stop the potential faults that contact reed charging modes brings fully.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the perspective structure schematic diagram of a kind of wireless microphone charging base of the present invention preferred embodiment;
Fig. 2 is the plan structure schematic diagram of wireless microphone charging base preferred embodiment shown in Figure 1;
Fig. 3 is the circuit theory diagrams of wireless microphone charging base charging circuit board of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
As depicted in figs. 1 and 2, wireless microphone charging base of the present invention comprises housing 1, is provided with the charging slot 2 of grafting wireless microphone on the described housing 1, and described charging slot 2 is around with charge coil 3, and described charge coil 3 is connected with charging circuit board 4.Described charging circuit board 4 also is connected with an external power supply jack 5, to access external power supply.Charge coil 3 among Fig. 1 namely is the coil L1 among Fig. 3.
When the hand holding handle of wireless microphone was inserted in the wireless microphone charging base of the present invention, the charge coil 3 in the wireless microphone charging base and the induction coil in the wireless microphone charged to the battery in the wireless microphone by the induction generation current.
Be provided with wireless microphone charging base circuit on the charging circuit board 4, described circuit comprises charge coil and the charging circuit board of electrical connection; Be provided with control chip on the described charging circuit board, be connected with power supply module, charging circuit and induction charging module on the described control chip.As shown in Figure 3, in a preferred embodiment of the invention, described control chip is chip STC11F04, and described charging circuit comprises filtration module and driver module, and the charging pin of described control chip is connected with described induction charging module with driver module by described filtration module.Because control chip STC11F04 is existing product, its each pin definitions can referring to its databook, not repeat them here.
Described filtration module comprises components and parts E2 and C7, is connected with the VCC pin of control chip STC11F04, mainly plays the power supply filter action, and LED3-R is charging indicator light.Described driver module comprises amplifier Q2, amplifier Q3 and the amplifier Q4 of electrical connection.Because control chip STC11F04 electric current and voltage out is all little, therefore need between control chip STC11F04 and coil L1, increase driver module i.e. illustrated amplifier Q2, the components and parts circuit such as Q3, Q4.
The voltage that the charging method of wireless microphone charging base of the present invention is answered by the charging valve feel of control chip judges whether to send the wireless charging electric wave of fixed frequency, if then by induction coil inductive microphone is charged.In the present embodiment, the charging pin is the P10 pin of chip STC11F04, (be that components and parts E2 is connected with the C7 part that to be connected with driver module be that amplifier Q2, amplifier Q3 are connected with amplifier Q4 part and are connected with described induction coil, charge coil 3 is described induction coil to this pin by filtration module.
Described control chip can be controlled following charge mode: when the battery of wireless microphone was full of electricity or wireless microphone hand holding handle and leaves charging base, charging base of the present invention can stop charging automatically.In conjunction with illustrated circuit diagram, its detailed process is: when the battery of wireless microphone is full of electricity, the P10 pin of control chip STC11F04 can detect 5 volts of high level of long period, then control chip STC11F04 is set to 0 volt of low level to P10,3 radio waves that no longer send fixed frequency of charge coil stop charging; When the wireless microphone hand holding handle leaves charging base, the P10 pin of control chip STC11F04 also can detect long 5 volts of high level, then control chip STC11F04 also is set to 0 volt of level to P10, and coil namely no longer sends the radio wave of fixed frequency, and charging process will be interrupted automatically.The described long period can be set as the case may be, can be set as 10 seconds in the present embodiment, if surpass 10 seconds, then judging does not need charging, then no longer sends the wireless charging electric wave of fixed frequency, stops charging.
Also be provided with charge switch 6 on the described housing 1.Break-make with the control charging circuit.Also be provided with the charging slot of a plurality of grafting wireless microphones on the described housing 1, namely can fill a plurality of wireless microphones simultaneously and in a side of each charging slot charging indicator light is set, to show respectively the charged state of each wireless microphone.
The present invention adopts the non-contact type wireless charging technique to the charging of wireless microphone battery, can reduce the human cost that the detachable charging modes brings, but and the auto-breaking energy savings, prolong useful life of battery; Also can stop the potential faults that contact reed charging modes brings fully.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a wireless microphone charging base circuit is characterized in that, described circuit comprises charge coil and the charging circuit board of electrical connection; Be provided with control chip on the described charging circuit board, be connected with power supply module, charging circuit and induction charging module on the described control chip.
2. wireless microphone charging base circuit as claimed in claim 1, it is characterized in that, described control chip is chip STC11F04, described charging circuit comprises filtration module and driver module, and the charging pin of described control chip is connected with described induction charging module with driver module by described filtration module.
3. wireless microphone charging base circuit as claimed in claim 2 is characterized in that, described driver module comprises amplifier Q2, amplifier Q3 and the amplifier Q4 of electrical connection.
4. wireless microphone charging base circuit as claimed in claim 1 is characterized in that, is connected with charging indicator light on the described control chip.
5. the charging method of a wireless microphone charging base is characterized in that, the voltage that the method is answered by the charging valve feel of control chip judges whether to send the wireless charging electric wave of fixed frequency, if then by induction coil inductive microphone is charged.
6. the charging method of wireless microphone charging base as claimed in claim 5 is characterized in that, described control chip is chip STC11F04, and described charging pin is connected with described induction coil with driver module by filtration module.
7. the charging method of wireless microphone charging base as claimed in claim 6 is characterized in that, described charging pin detects 5 volts of high level that continue more than 10 seconds, then no longer sends the wireless charging electric wave of fixed frequency, stops charging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310042196.6A CN103066669B (en) | 2013-01-31 | 2013-01-31 | A kind of wireless microphone charging base circuit and charging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310042196.6A CN103066669B (en) | 2013-01-31 | 2013-01-31 | A kind of wireless microphone charging base circuit and charging method |
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| Publication Number | Publication Date |
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| CN103066669A true CN103066669A (en) | 2013-04-24 |
| CN103066669B CN103066669B (en) | 2016-04-20 |
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| CN201310042196.6A Active CN103066669B (en) | 2013-01-31 | 2013-01-31 | A kind of wireless microphone charging base circuit and charging method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104618826A (en) * | 2015-02-17 | 2015-05-13 | 刘礼刚 | Wireless-charging microphone and microphone base |
| WO2018076458A1 (en) * | 2016-10-25 | 2018-05-03 | 深圳市和宏实业股份有限公司 | Portable charger |
| CN108448734A (en) * | 2018-02-05 | 2018-08-24 | 宁波力芯科信息科技有限公司 | A kind of Mobile phone charging base and implementation method for KTV |
| CN109348325A (en) * | 2018-10-22 | 2019-02-15 | 深圳市索菱通信技术有限公司 | A kind of wireless charging base of microphone |
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| CN101820182A (en) * | 2010-04-14 | 2010-09-01 | 浙江工业大学 | Wireless charging device |
| CN201656576U (en) * | 2010-03-12 | 2010-11-24 | 富达通科技股份有限公司 | Variable-frequency wireless powering and charging device |
| CN201975844U (en) * | 2011-04-29 | 2011-09-14 | 彭玉平 | Wireless charger |
| CN202513680U (en) * | 2012-03-31 | 2012-10-31 | 罗袁生 | Launching device, receiving device, mobile phone battery and mobile phone |
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| CN201656576U (en) * | 2010-03-12 | 2010-11-24 | 富达通科技股份有限公司 | Variable-frequency wireless powering and charging device |
| CN101820182A (en) * | 2010-04-14 | 2010-09-01 | 浙江工业大学 | Wireless charging device |
| CN201975844U (en) * | 2011-04-29 | 2011-09-14 | 彭玉平 | Wireless charger |
| CN202513680U (en) * | 2012-03-31 | 2012-10-31 | 罗袁生 | Launching device, receiving device, mobile phone battery and mobile phone |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104618826A (en) * | 2015-02-17 | 2015-05-13 | 刘礼刚 | Wireless-charging microphone and microphone base |
| WO2018076458A1 (en) * | 2016-10-25 | 2018-05-03 | 深圳市和宏实业股份有限公司 | Portable charger |
| CN108448734A (en) * | 2018-02-05 | 2018-08-24 | 宁波力芯科信息科技有限公司 | A kind of Mobile phone charging base and implementation method for KTV |
| CN109348325A (en) * | 2018-10-22 | 2019-02-15 | 深圳市索菱通信技术有限公司 | A kind of wireless charging base of microphone |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103066669B (en) | 2016-04-20 |
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