CN107579584A - A kind of charging device and its control method based on microphone - Google Patents
A kind of charging device and its control method based on microphone Download PDFInfo
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- CN107579584A CN107579584A CN201710986046.9A CN201710986046A CN107579584A CN 107579584 A CN107579584 A CN 107579584A CN 201710986046 A CN201710986046 A CN 201710986046A CN 107579584 A CN107579584 A CN 107579584A
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- microphone
- module
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- battery
- charging device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of charging device and its control method based on microphone, charging device is connected with battery, including microphone, boost module, rectification module and one-way conduction module；When sound is arrived in the microphone pickup, voice signal is converted into voltage signal；Voltage signal is boosted to pre- threshold voltage by boost module；Pre-value voltage conversion is DC voltage by rectification module, is charged the battery by one-way conduction module one-way transmission.As long as there is sound to continue to charge, that is, solve the problems, such as existing charging modes by power supply and apart from limitation；Also extend the cruising time of communication terminal equipment.
Description
Technical field
The present invention relates to charging technique field, more particularly to a kind of charging device and its controlling party based on microphone
Method.
Background technology
With the development of mechanics of communication and network technology, communication terminal equipment has been that people link up indispensable work
Tool.However, the endurance of the battery of communication terminal equipment is always its function short slab.Extend the continuation of the journey energy of communication terminal equipment
Power generally has two kinds：Increase battery capacity charges with power consumption is reduced.
By taking mobile phone as an example, charge the phone be broadly divided into wired charging and wireless charging at present, but must all have power supply
In the case of power supply（Such as socket power supply or wireless charging base power supply）, and can not be away from power supply；Solar recharging must have again
Sunlight, and sunlight is uncontrollable.Existing charging modes are caused there are many restrictions.
Therefore, prior art has yet to be improved and developed.
The content of the invention
In view of in place of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of charging dress based on microphone
Put and its control method, it is intended to solve the problems, such as existing charging modes by power supply and apart from limitation.
The technical proposal for solving the technical problem of the invention is as follows：
A kind of charging device based on microphone, is connected with battery, wherein, the charging device include microphone, boost module,
Rectification module and one-way conduction module；
When sound is arrived in the microphone pickup, voice signal is converted into voltage signal；Boost module boosts to voltage signal
Pre- threshold voltage；Pre-value voltage conversion is DC voltage by rectification module, is charged the battery by one-way conduction module one-way transmission.
In the described charging device based on microphone, the boost module includes transformer, the armature winding of transformer
The 1st pin, the one-to-one connection of positive pole and negative pole with microphone respectively of the 2nd pin, the 3rd pin of the secondary windings of transformer and the 4th
Pin connects rectification module.
In the described charging device based on microphone, the rectification module includes rectifier bridge, and the 2nd of the rectifier bridge the
The 3rd pin with the secondary windings of transformer, the 4th one-to-one connection of pin respectively of pin, the 3rd pin；1st pin of rectifier bridge and the 4th pin are equal
Connect one-way conduction module.
In the described charging device based on microphone, the one-way conduction module includes diode and electric capacity, diode
The 1st pin of positive pole connection rectifier bridge and one end of electric capacity, the positive pole of the negative pole connection battery of diode, the other end of electric capacity connect
Connect the 4th pin of rectifier bridge and the negative pole of battery.
In the described charging device based on microphone, a pin is set on the battery, carried out for drawing in battery
Overcharge exported during protection overcharge signal.
In the described charging device based on microphone, the charging device also includes switch module, for receiving battery
The connection disconnected when overcharging signal between microphone and boost module of output；Without conducting microphone when overcharging signal input with rising
The connection of die block.
In the described charging device based on microphone, the switch module includes triode, the source electrode connection of triode
The positive pole of microphone, the 1st pin of the armature winding of the drain electrode connection transformer of triode, the use of the grid connection battery of triode
The pin of signal is overcharged in output.
A kind of control method of the charging device based on microphone described in use, it includes：
Step A, when sound is arrived in microphone pickup, voice signal is converted into voltage signal；
Step B, voltage signal is boosted to pre- threshold voltage by boost module；
Step C, pre-value voltage conversion is DC voltage by rectification module, is filled by one-way conduction module one-way transmission to battery
Electricity.
In described control method, in addition to：
If switch module receives the connection for overcharging signal, disconnecting between microphone and boost module of battery output；If without mistake
When filling signal input, the connection of switch module conducting microphone and boost module.
Compared to prior art, charging device and its control method provided by the invention based on microphone, pass through Mike
When sound is arrived in wind pickup, voice signal is converted into voltage signal；Voltage signal is boosted to pre- threshold voltage by boost module；Rectification
Pre-value voltage conversion is DC voltage by module, is charged the battery by one-way conduction module one-way transmission.As long as there is sound i.e.
Sustainable charging, that is, solve the problems, such as existing charging modes by power supply and apart from limitation；Also extend communication terminal equipment
Cruising time.
Brief description of the drawings
Fig. 1 is the structured flowchart of charging device one embodiment provided by the invention based on microphone.
Fig. 2 is the circuit diagram of charging device one embodiment provided by the invention based on microphone.
Fig. 3 is the structured flowchart of another embodiment of the charging device based on microphone provided by the invention.
The control method flow chart of Fig. 4 charging devices provided by the invention based on microphone.
Embodiment
The present invention provides a kind of charging device and its control method based on microphone, and microphone is provided with suitable for all kinds of
Communication terminal equipment, such as mobile phone, flat board, computer.Voice signal is converted using the microphone of communication terminal equipment itself
To charge to battery for electric signal, as long as there is sound just to charge always, do not limited by power supply and distance.To make the present invention's
Object, technical solution and advantage are clearer, clear and definite, the embodiment that develops simultaneously referring to the drawings to the present invention further specifically
It is bright.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Referring to Fig. 1, the charging device provided by the invention based on microphone is arranged on the circuit in communication terminal equipment
On plate, it is connected with existing battery in communication terminal equipment.The charging device includes microphone 10, boost module 20, rectification
Module 30 and one-way conduction module 40.The microphone 10, boost module 20, rectification module 30, one-way conduction module 40, battery
It is sequentially connected.
When sound is arrived in the pickup of microphone 10, voice signal is converted into voltage signal.Due to caused by microphone 10
The pressure value of voltage signal is very faint, it is necessary to which boost module 20, which boosts to voltage signal, meets communication terminal equipment charging requirement
Pre- threshold voltage, 5V is boosted to if mobile phone.It is multi-frequency change based on pre- threshold voltage（It is relevant with the size of sound）Alternation
Signal, by pre-value voltage conversion need to be DC voltage by rectification module 30.In order to prevent reverse battery from exporting, DC voltage leads to
Cross the one-way transmission of one-way conduction module 40 to charge the battery, cell voltage would not be reverse by the limitation of one-way conduction module 40
Transmit to rectification module 30.
Piezoelectric chip on microphone can be changed into the vibration of sound the change of electric current.Sound wave at a touch piezoelectricity
Thin slice, it will make to produce electric charge in piezoelectric sheet two end electrodes, its size and waveform is positive and negative with the change of sound changes.Cause
This, as long as above-mentioned voltage conversion and charging process can be achieved in the case where there is sound, continued equivalent to 24 hours one day
Carry out, although the voltage signal for converting to obtain by voice signal is fainter, seldom into more, you can reach extending cell phone continuation of the journey
The effect of ability.
Also referring to Fig. 2, in the present embodiment, the boost module 20 can use transformer, the positive pole of microphone and negative
Pole connects the input of transformer（That is the positive pole of microphone and negative pole the 1st pin, the 2nd pin with the armature winding of transformer respectively
One-to-one connection）, the output end of transformer（That is the 3rd pin, the 4th pin of secondary windings）Connect rectification module 30.It is being embodied
When, the boost module 20 can also use booster circuit.
In the present embodiment, the rectification module 30 can use rectifier bridge, the 2nd pin of rectifier bridge, the 3rd pin respectively with transformer
The 3rd pin of secondary windings, the 4th one-to-one connection of pin.The 1st pin, the 4th pin of rectifier bridge are all connected with one-way conduction module 40.It is whole
It can be direct current by alternating signal rectification to flow bridge.
In the present embodiment, the one-way conduction module 40 includes diode D and electric capacity C, diode D positive pole connection rectification
1st pin of bridge and electric capacity C one end, the positive pole of diode D negative pole connection battery+, electric capacity C other end connection rectifier bridge
The negative pole of 4th pin and battery-.Wherein diode D can use isolating diode, using the one-way conduction principle of diode, to electricity
The voltage turn-on that pond flows to rectifier bridge direction plays a part of isolation.Electric capacity C plays a part of to DC voltage voltage stabilizing.
It is to be appreciated that foregoing circuit structure is the tandem circuit of charging device, on this basis can also be corresponding
Input or output end increase the devices such as some resistance, electric capacity to carry out current limliting, filtering, denoising to each signal voltage；Or filter out
External disturbance etc., so that circuit overall work is more stable.
It is passive device based on each module in above-mentioned charging device, in the case where there is sound, is without extra power supply
Sustainable generation DC voltage charges to battery.If battery is full of also lasting charging, or works always, making for each device can be reduced
Other available circuits on circuit board are influenceed with life-span, or heating.Then in further embodiment, also referring to Fig. 3, the charging
Device also includes the switch module 50 being connected between microphone 10 and boost module 20.The conducts of switch module 50, by wheat
Gram wind 10 is connected with boost module 20；Receiving being disconnected when overcharging signal between microphone 10 and boost module 20 for battery output
Connection.Without when overcharging signal input switch module 50, switch module 50 is turned on to recover microphone 10 and boost module 20
Connection.So after battery is fully charged, each device in charging device will not work, and reduce its heating and can extend using the longevity
Life.
It is to be appreciated that have overcharge protection circuit in inside battery protection circuit, can trigger protection circuit when overcharging
Action, turn off built-in switching tube.The present embodiment is improved to battery, and the signal that one pin of increase draws on-off switching tube is made
To overcharge signal, disconnect the connection of microphone 10 and boost module 20.Overcharge protection circuit is prior art, is not made herein in detail
State.
In the present embodiment, switch module 50 can use triode, the source electrode of triode and drain electrode respectively with microphone just
Pole and the input of boost module（Such as the 1st pin of the armature winding of transformer）One-to-one connection, the grid connection electricity of triode
The pin for overcharging signal in pond.
Based on the above-mentioned charging device based on microphone, the present invention also provides a kind of charging device based on microphone
Control method, referring to Fig. 4, the control method includes：
When sound is arrived in S10, microphone pickup, voice signal is converted into voltage signal；
Voltage signal is boosted to pre- threshold voltage by S20, boost module；
Pre-value voltage conversion is DC voltage by S30, rectification module, is charged the battery by one-way conduction module one-way transmission.
During step S10 ~ S30 is performed, if switch module receive battery output overcharge signal, disconnect Mike
Connection between wind and boost module, stop charging to battery.If without overcharge signal input, switch module conducting microphone with
The connection of boost module, continue to charge to battery.If in the case where having sound and battery will not overcharge, the charging device
Electric energy is constantly converted acoustic energy into charge to battery.
In summary, the present invention converts acoustic energy into electric energy using microphone and battery is charged, because sound is ubiquitous,
As long as communication terminal equipment is exposed in acoustic environment, microphone can pick up sound, constantly be converted into voice signal
Voltage signal.As long as there is sound to charge, solve the problems, such as existing charging modes by power supply and apart from limitation；And sound fills
The more environmentally-friendly energy-conservation of electricity, without increasing extra cost（Such as the electricity charge, buy wired or wireless charger, buy charger baby）, reduce
The power consumption of power supply, also extend the cruising time of communication terminal equipment.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect scope.
Claims (9)
1. a kind of charging device based on microphone, is connected with battery, it is characterised in that the charging device include microphone,
Boost module, rectification module and one-way conduction module；
When sound is arrived in the microphone pickup, voice signal is converted into voltage signal；Boost module boosts to voltage signal
Pre- threshold voltage；Pre-value voltage conversion is DC voltage by rectification module, is charged the battery by one-way conduction module one-way transmission.
2. the charging device according to claim 1 based on microphone, it is characterised in that the boost module includes transformation
Device, the 1st pin of the armature winding of transformer, the one-to-one connection of positive pole and negative pole with microphone respectively of the 2nd pin, time of transformer
The 3rd pin and the 4th pin connection rectification module of level winding.
3. the charging device according to claim 2 based on microphone, it is characterised in that the rectification module includes rectification
Bridge, the 2nd pin of the rectifier bridge, the 3rd pin with the secondary windings of transformer, the 4th one-to-one connection of pin respectively of the 3rd pin；Rectification
1st pin of bridge and the 4th pin are all connected with one-way conduction module.
4. the charging device according to claim 3 based on microphone, it is characterised in that the one-way conduction module includes
Diode and electric capacity, the 1st pin of positive pole connection rectifier bridge of diode and one end of electric capacity, the negative pole connection battery of diode
Positive pole, the 4th pin of other end connection rectifier bridge and the negative pole of battery of electric capacity.
5. the charging device according to claim 2 based on microphone, it is characterised in that set one to draw on the battery
Pin, for draw carry out overcharging in battery exported during protection overcharge signal.
6. the charging device according to claim 5 based on microphone, it is characterised in that the charging device also includes opening
Module is closed, for receiving the connection disconnected when overcharging signal between microphone and boost module of battery output；Nothing overcharges signal
The connection of microphone and boost module is turned on during input.
7. the charging device according to claim 6 based on microphone, it is characterised in that the switch module includes three poles
Pipe, the positive pole of the source electrode connection microphone of triode, the 1st pin of the armature winding of the drain electrode connection transformer of triode, three poles
The pin for being used for output and overcharging signal of the grid connection battery of pipe.
A kind of 8. control method of charging device based on microphone using described in claim 1, it is characterised in that including：
Step A, when sound is arrived in microphone pickup, voice signal is converted into voltage signal；
Step B, voltage signal is boosted to pre- threshold voltage by boost module；
Step C, pre-value voltage conversion is DC voltage by rectification module, is filled by one-way conduction module one-way transmission to battery
Electricity.
9. control method according to claim 8, it is characterised in that also include：
If switch module receives the connection for overcharging signal, disconnecting between microphone and boost module of battery output；If without mistake
When filling signal input, the connection of switch module conducting microphone and boost module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710986046.9A CN107579584A (en) | 2017-10-20 | 2017-10-20 | A kind of charging device and its control method based on microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710986046.9A CN107579584A (en) | 2017-10-20 | 2017-10-20 | A kind of charging device and its control method based on microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107579584A true CN107579584A (en) | 2018-01-12 |
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ID=61036847
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710986046.9A Pending CN107579584A (en) | 2017-10-20 | 2017-10-20 | A kind of charging device and its control method based on microphone |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100120881A (en) * | 2009-05-07 | 2010-11-17 | 범진시엔엘 주식회사 | Apparatus for ganerating electric power |
| CN202353423U (en) * | 2011-10-27 | 2012-07-25 | 比亚迪股份有限公司 | Electronic product using sound for generating electricity |
| CN106253417A (en) * | 2016-10-18 | 2016-12-21 | 江苏联通动力电池驱动***有限公司 | A kind of double loop redundancy active equalization battery management system and control method thereof |
-
2017
- 2017-10-20 CN CN201710986046.9A patent/CN107579584A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100120881A (en) * | 2009-05-07 | 2010-11-17 | 범진시엔엘 주식회사 | Apparatus for ganerating electric power |
| CN202353423U (en) * | 2011-10-27 | 2012-07-25 | 比亚迪股份有限公司 | Electronic product using sound for generating electricity |
| CN106253417A (en) * | 2016-10-18 | 2016-12-21 | 江苏联通动力电池驱动***有限公司 | A kind of double loop redundancy active equalization battery management system and control method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180112 |
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| RJ01 | Rejection of invention patent application after publication |