CN202127262U - Self-charging circuit of mobile phone - Google Patents
Self-charging circuit of mobile phone Download PDFInfo
- Publication number
- CN202127262U CN202127262U CN2011202234547U CN201120223454U CN202127262U CN 202127262 U CN202127262 U CN 202127262U CN 2011202234547 U CN2011202234547 U CN 2011202234547U CN 201120223454 U CN201120223454 U CN 201120223454U CN 202127262 U CN202127262 U CN 202127262U
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- negative pulse
- mobile phone
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Abstract
The utility model discloses a self-charging circuit of a mobile phone, which comprises a charging circuit, an electronic switch, an alarm circuit, a battery, a negative pulse discharge circuit and a voltage reference and comparison circuit, wherein one path of the charging circuit is connected with the electronic switch, and the other path is respectively connected with the mobile phone battery, the negative pulse discharge circuit and the voltage reference and comparison circuit; one path of the electronic switch is connected with the alarm circuit, and the other path is connected with the negative pulse discharge circuit; the negative pulse discharge circuit is connected with the voltage reference and comparison circuit; and the voltage reference and comparison circuit is connected back to the negative pulse discharge circuit. The self-charging circuit of the mobile phone can be charged through an external charger and can also be charged through the battery self. The self-charging circuit adopts pulse current for charging, the pulse current after charging is converted into the negative pulse current for floating charge, the self-charging circuit and the mobile phone battery are integrated, and the service life of battery can be prolonged. After charging is finished, the alarm circuit can send out a prompt message. Thus, the self-charging circuit of the mobile phone is more convenient for users to use.
Description
Technical field
The utility model relates to the communication product technical field, is specifically related to a kind of self-charging circuit of mobile phone.
Background technology
Mobile phone is one of present most widely used instrument, and the adult has almost reached one one of staff, even several of people's degree.Present mobile phone on the market adopts chargeable lithium ion battery as supplying cell usually; It is 1 year that present battery technology can only reach battery useful life usually, yet because the difference on the battery performance, after the charger charging; Can reduce about half the useful life of battery; Perhaps to shorten the cruising time of battery manyly at least, so not only can make troubles, also can increase use cost to the user.And the present mode of directly filling that adopted of mobile phone badly judges whether it is full of, and cutting off the electricity supply too early then to cause not being full of electricity, cuts off the electricity supply after late and then can cause adverse effect to battery.
The utility model content
The technical problem that the utility model will solve provide a kind of adopt pulse current charge, charging to accomplish after the mobile phone self-charging circuit of prompting capable of automatic alarm.
For solving the problems of the technologies described above; The utility model adopts following technical scheme: a kind of mobile phone self-charging circuit; It is characterized in that: comprise charging circuit, electronic switch, warning circuit, battery, negative pulse discharge back we and voltage reference and comparison circuit; Charging circuit one tunnel connects electronic switch, and another road is connection hand machine battery, negative pulse discharge loop and voltage reference and comparison circuit respectively; Electronic switch one tunnel connects warning circuit, and another road connects the negative pulse discharge loop; The negative pulse discharge loop connects voltage reference and comparison circuit, and voltage reference and comparison circuit connect back the negative pulse discharge loop.
Preferably, said electronic switch is made up of triode T1, resistance R 3, R4 and capacitor C 2; The collector electrode of triode T1 is connected with the output D2 of charging circuit, and emitter connects the emitter of triode T2 and the resistance R 10 of warning circuit.
Preferably, said warning circuit comprises resistance R 10, R11 and dichromatic LED LED1, LED2, and the backward end of LED 1, LED2 links together; Resistance R 10 1 ends connect the emitter of triode T2, and the other end connects the forward end of LED 2; One end of resistance R 11 is connected between LED 1 and the LED2, other end ground connection.
Preferably, said voltage reference and comparison circuit comprise resistance R 5, R6, R7, R9, R12 and integrated circuit D3; The input of integrated circuit D3 connects resistance R 6 and thermistor R5, and output then connects the emitter of triode T1 through resistance R 7, and connects the base stage of triode T2 in the negative pulse discharge loop through resistance R 8; The negative pulse discharge loop is made up of triode T2 and resistance R 9, and the junction of the collector electrode of triode T2 and resistance R 9 is connected with resistance R 12, and the other end of resistance R 12 is connected with the input of integrated circuit D3 in voltage reference and the comparison circuit.
Preferably, the integrated circuit D3 of said voltage base and comparison circuit is TL431.
The utility model both can charge through external charger; Also can charge through battery itself, it adopts pulse current charge, changes after being full of that the negative pulse electric current is floating to be dashed over to; Be made of one with battery of mobile phone; Can prolong the useful life of battery, and charging is accomplished the back warning circuit and is understood oneself and send information, more convenient user's use.
Description of drawings
Fig. 1 is the utility model theory diagram;
Fig. 2 is the utility model circuit theory diagrams.
Embodiment
In the present embodiment; See figures.1.and.2; Said mobile phone self-charging circuit; Comprise charging circuit, electronic switch, warning circuit, battery, negative pulse discharge back we and voltage reference and comparison circuit, charging circuit one tunnel connects electronic switch, and another road is connection hand machine battery, negative pulse discharge loop and voltage reference and comparison circuit respectively; Electronic switch one tunnel connects warning circuit, and another road connects the negative pulse discharge loop; The negative pulse discharge loop connects voltage reference and comparison circuit, and voltage reference and comparison circuit connect back the negative pulse discharge loop.
Electronic switch is made up of triode T1, resistance R 3, R4 and capacitor C 2; The collector electrode of triode T1 is connected with the output D2 of charging circuit, and emitter connects the emitter of triode T2 and the resistance R 10 of warning circuit.
Warning circuit comprises resistance R 10, R11 and dichromatic LED LED1, LED2, and the backward end of LED 1, LED2 links together; Resistance R 10 1 ends connect the emitter of triode T2, and the other end connects the forward end of LED 2; One end of resistance R 11 is connected between LED 1 and the LED2, other end ground connection.
Voltage reference and comparison circuit comprise resistance R 5, R6, R7, R9, R12 and integrated circuit D3; The input of integrated circuit D3 connects resistance R 6 and thermistor R5, and output then connects the emitter of triode T1 through resistance R 7, and connects the base stage of triode T2 in the negative pulse discharge loop through resistance R 8; The negative pulse discharge loop is made up of triode T2 and resistance R 9, and the junction of the collector electrode of triode T2 and resistance R 9 is connected with resistance R 12, and the other end of resistance R 12 is connected with the input of integrated circuit D3 in voltage reference and the comparison circuit.
The integrated circuit D3 of voltage base and comparison circuit is TL431.
During use, battery is connected the city, will cut off battery with the K switch 1 (K1-1, K1-2) of battery plug interlock and expose being connected of contact and internal charger.Overvoltage protector RV can protect charger circuit and battery to be without prejudice.Impulse current during resistance R 2 restrictions starting just, the back is damaged in order to avoid battery is hit.Civil power forms the constant electric current of effective value of a pulsation behind pulse current source C1, R1 and diode bridge rectifier circuit D1, and through interpulse period adjuster D2 charge to battery E.
When battery E charges; By the magnitude of voltage of resistance R 5, R6, R9 and R12 sampling battery, compare through the input of D3 and the reference voltage of D3 inside, when cell voltage does not reach set point; The D3 conducting; Charging gets into supplemental stages, and the resistance R 5 that the D3 input connect can be used to the influence of compensate for ambient variations in temperature to battery behavior for thermistor.
After the D3 conducting, the output output low level makes the T2 conducting via resistance R 8, and rechargeable battery is shunted, thereby made the electric current that flows to battery reduce to floating current through T1, T2, R9.When the intermittent time of pulse arrived, D2 judged that battery forms the negative pulse discharge through T1, T2, R9 discharge.After the T2 conducting, the voltage at R9 two ends raises, thereby has raised the voltage of D3 input, makes the conducting protection of D3 stable, and then makes the conducting of T2 keep stable, has so just guaranteed the stable of charging circuit.Dichromatic LED is made up of LED1 (green), LED2 (redness).During charging, electric current is lighted LED2 through T1, R12, LED2, R11, thereby makes the indicator light exhibit red; After being full of upset, the T2 conducting, electric current is lighted LED1 through T1, T2, LED1, R11, and it is green that indicator light is shown.
Below the utility model is done a detailed description; The above is merely the preferred embodiment of the utility model, when not limiting the utility model practical range; Be allly to do impartial change and modify, all should still belong in the utility model covering scope according to the application's scope.
Claims (5)
1. mobile phone self-charging circuit; It is characterized in that: comprise charging circuit, electronic switch, warning circuit, battery, negative pulse discharge back we and voltage reference and comparison circuit; Charging circuit one tunnel connects electronic switch, and another road is connection hand machine battery, negative pulse discharge loop and voltage reference and comparison circuit respectively; Electronic switch one tunnel connects warning circuit, and another road connects the negative pulse discharge loop; The negative pulse discharge loop connects voltage reference and comparison circuit, and voltage reference and comparison circuit connect back the negative pulse discharge loop.
2. mobile phone self-charging circuit according to claim 1 is characterized in that: said electronic switch is made up of triode T1, resistance R 3, R4 and capacitor C 2; The collector electrode of triode T1 is connected with the output D2 of charging circuit, and emitter connects the emitter of triode T2 and the resistance R 10 of warning circuit.
3. mobile phone self-charging circuit according to claim 1 is characterized in that: said warning circuit comprises resistance R 10, R11 and dichromatic LED LED1, LED2, and the backward end of LED 1, LED2 links together; Resistance R 10 1 ends connect the emitter of triode T2, and the other end connects the forward end of LED 2; One end of resistance R 11 is connected between LED 1 and the LED2, other end ground connection.
4. mobile phone self-charging circuit according to claim 1 is characterized in that: said voltage reference and comparison circuit comprise resistance R 5, R6, R7, R9, R12 and integrated circuit D3; The input of integrated circuit D3 connects resistance R 6 and thermistor R5, and output then connects the emitter of triode T1 through resistance R 7, and connects the base stage of triode T2 in the negative pulse discharge loop through resistance R 8; The negative pulse discharge loop is made up of triode T2 and resistance R 9, and the junction of the collector electrode of triode T2 and resistance R 9 is connected with resistance R 12, and the other end of resistance R 12 is connected with the input of integrated circuit D3 in voltage reference and the comparison circuit.
5. mobile phone self-charging circuit according to claim 4 is characterized in that: the integrated circuit D3 of said voltage base and comparison circuit is TL431.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202234547U CN202127262U (en) | 2011-06-29 | 2011-06-29 | Self-charging circuit of mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202234547U CN202127262U (en) | 2011-06-29 | 2011-06-29 | Self-charging circuit of mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202127262U true CN202127262U (en) | 2012-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202234547U Expired - Fee Related CN202127262U (en) | 2011-06-29 | 2011-06-29 | Self-charging circuit of mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202127262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158262A (en) * | 2014-09-01 | 2014-11-19 | 苏州凯丰电子电器有限公司 | Alarm remote-control charger |
-
2011
- 2011-06-29 CN CN2011202234547U patent/CN202127262U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158262A (en) * | 2014-09-01 | 2014-11-19 | 苏州凯丰电子电器有限公司 | Alarm remote-control charger |
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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 |
Granted publication date: 20120125 Termination date: 20150629 |
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| EXPY | Termination of patent right or utility model |