CN205248880U - Infrared remote control outage cell -phone charger - Google Patents
Infrared remote control outage cell -phone charger Download PDFInfo
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- CN205248880U CN205248880U CN201520968389.9U CN201520968389U CN205248880U CN 205248880 U CN205248880 U CN 205248880U CN 201520968389 U CN201520968389 U CN 201520968389U CN 205248880 U CN205248880 U CN 205248880U
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Abstract
The utility model provides an infrared remote control outage cell -phone charger, which comprises a housin, infrared transmitting element, infrared receiver, the power -off protection unit, charging circuit and USB connecting wire, the power -off protection unit, charging circuit all locates in the casing, the casing is equipped with the USB interface, charging circuit has the USB connecting wire through USB interface connection, the power -off protection unit includes the controller, the normally open contact of the rela, the time -recorder, charging circuit is connected with the commercial power through the relay, the relay still is connected with the controller, the controller is connected with the time -recorder, infrared receiver locates on the casing, infrared receiver connection director, this kind of infrared remote control outage cell -phone charger can realize the disconnection of charging circuit and commercial power automatically. Can realize the power -off protection of charger, the safety in utilization of intensified charging ware is avoided the long -time work of charger and is damaged or produce potential safety hazard such as spontaneous combustion at the excessive speed. And after the outage, because certain energy -conservation not at continued work, can be realized to the charger.
Description
Technical field
The utility model relates to a kind of infrared remote control power-off charger for mobile phone.
Background technology
Charger for mobile phone is to convert high voltage to low-voltage by transformer, if do not pulled out for a long time, it is just working always. Charger does not pull out power consumption in the same old way, the power consumption maximum of charger for mobile phone be 308 milliwatts. Charger does not pull out in supply socket, although charger is not connected mobile phone, the circuit board of charger inside is leading to electricity, also in running order, still can consumes power.
After charger works long hours, charger can generate heat, and the insulating barrier of coil may be melted, and then causes short circuit. And charger is very little, do not have space not dispel the heat, no matter overheated or short circuit all easily causes burning yet. General mobile phone at most charging just can be full of for 4 hours, after being full of, just charger should be dialled, and does not pull out for a long time charger, is easy to the accidents such as initiation fire, blast, accidental shock.
And for user using charger for mobile phone when charging, because the mobile phone charging interval will be expended 2-3 hour conventionally, be easy to be full of after electricity, forget and pull up charger. Especially for charging at night when, often one to fill be exactly one the whole night to a lot of users' mobile phone, full lattice also can not take off. In the time using charger for mobile phone, do not pull up for a long time charger for mobile phone like this, exist the accident potential such as very large fire.
The problems referred to above are the problems that should pay attention to and solve in the design and production process of charger for mobile phone.
Utility model content
The purpose of this utility model is to provide a kind of infrared remote control power-off charger for mobile phone and solves exist in prior art long-term and do not pull out charger and exist the problem of the accident potential such as very large fire.
Technical solution of the present utility model is:
A kind of infrared remote control power-off charger for mobile phone, comprise housing, infrared transmitting element, infrared receiver, power-off protection unit, charging circuit and USB connecting line, power-off protection unit, charging circuit is all located in housing, housing is provided with USB interface, charging circuit is connected with USB connecting line by USB interface, power-off protection unit comprises controller, relay, timer, charging circuit is connected with civil power by relay, relay is also connected with controller, controller is connected with timer, infrared receiver is located on housing, infrared receiver connects controller.
Further, charging circuit comprises diode D1, transformer T1, resistance R 1, resistance R 2, resistance R 3, triode Q1, capacitor C 1, voltage-stabiliser tube ZD1, resistance R 4, electrochemical capacitor C2, resistance R 5, diode D2, diode D3, the positive pole of diode D1 connects the anodal incoming end of charging circuit, and the negative pole of diode D1 is connected with respectively one end of the former limit winding of transformer T1, one end of resistance R 1, the other end of the former limit winding of transformer T1 is connected with the colelctor electrode of triode Q1, and the other end of resistance R 1 is connected with respectively the base stage of triode Q1, one end of capacitor C 1, the negative pole of voltage-stabiliser tube ZD1, the other end of capacitor C 1 is connected with one end of the feedback winding of transformer T1 by resistance R 4, the negative pole of diode D3, the other end of the feedback winding of transformer T1 is connected with respectively the positive pole of electrochemical capacitor C2, the emitter stage of triode Q1, the other end of the feedback winding of transformer T1 is also connected with the base stage of triode Q1 by resistance R 2, the other end of the feedback winding of transformer T1 is also connected with the negative pole incoming end of charging circuit by resistance R 3, the other end of the feedback winding of transformer T1 also connects respectively the positive pole of diode D3 by resistance R 5, the positive pole of voltage-stabiliser tube ZD1, the negative pole of electrochemical capacitor C2, one end of the secondary winding of transformer T1 is connected with the cathode output end of charging circuit, and the other end of the secondary winding of transformer T1 is connected with the negative pole of diode D2, and the positive pole of diode D2 is connected with the cathode output end of charging circuit.
Further, after civil power input, after diode D1 halfwave rectifier, enter transformer T1, and be added on the colelctor electrode of triode Q1 by the former limit winding of transformer T1, simultaneously, one part of current is added in triode Q1 base stage by resistance R 1, triode Q1 conducting, electric current flows through the former limit winding of transformer T1, now the flux change of transformer T1 magnetic core makes the feedback winding of transformer T1 and secondary winding induce voltage, the voltage reversal of the feedback winding of transformer T1 is added in the base stage of triode Q1, make triode Q1 cut-off, so iterative cycles, the secondary winding of transformer T1 has just induced voltage, then the secondary winding of transformer T1 is exported after diode D2 halfwave rectifier.
Further, infrared transmitting element is located in remote controller.
Further, in the time that infrared transmitting element sends a signal to infrared receiver, infrared receiver sends a signal to controller, controller transmits control signal and carries out timing to timer, in the time that setting-up time arrives, controller sends power-off control signal to relay, and relay is the disconnection that is connected with civil power by charging circuit.
The beneficial effects of the utility model are: this kind of infrared remote control power-off charger for mobile phone, can automatically realize the disconnection of charging circuit and civil power. Can realize the power-off protection of charger, the safety in utilization of intensified charging device, avoids charger to work long hours and the potential safety hazards such as too fast damage or generation spontaneous combustion. And after power-off, because charger is not in continuous firing, can realize certain energy-conservation.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the connection diagram of charging circuit in embodiment;
1-controller, 2-timer, 3-relay, 4-charging circuit, 5-infrared receiver, the infrared transmitting element of 6-.
Detailed description of the invention
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Embodiment
A kind of infrared remote control power-off charger for mobile phone, as Fig. 1, comprise housing, infrared transmitting element 6, infrared receiver 5, power-off protection unit, charging circuit 4 and USB connecting line, power-off protection unit, charging circuit 4 is all located in housing, housing is provided with USB interface, charging circuit 4 is connected with USB connecting line by USB interface, power-off protection unit comprises controller 1, relay 3, timer 2, charging circuit 4 is connected with civil power by relay 3, relay 3 is also connected with controller 1, controller 1 is connected with timer 2, infrared receiver 5 is located on housing, infrared receiver 5 connects controller 1.
Embodiment is by between being connected of charging circuit 4 and civil power, relay 3 being set, and by controller 1 come control relay 3 realize charging circuit 4 with civil power in the disconnection arriving after setting-up time. Can avoid working long hours in the situation that charger for mobile phone is not pulled up for a long time, and the potential safety hazard existing.
This kind of infrared remote control power-off charger for mobile phone, can realize the disconnection of charging circuit 4 and civil power automatically. Can realize the power-off protection of charger, the safety in utilization of intensified charging device, avoids charger to work long hours and the potential safety hazards such as too fast damage or generation spontaneous combustion. And after power-off, because charger is not in continuous firing, can realize certain energy-conservation.
Auto-breaking process is specially: in the time starting to charge, in the time that infrared transmitting element 6 sends a signal to infrared receiver 5, infrared receiver 5 sends a signal to controller 1, controller 1 transmits control signal and carries out timing to timer 2, in the time that setting-up time arrives, controller 1 sends power-off control signal to relay 3, and relay 3 is the disconnection that is connected with civil power by charging circuit 4.
As Fig. 2, charging circuit 4 comprises diode D1, transformer T1, resistance R 1, resistance R 2, resistance R 3, triode Q1, capacitor C 1, voltage-stabiliser tube ZD1, resistance R 4, electrochemical capacitor C2, resistance R 5, diode D2, diode D3, the positive pole of diode D1 connects the anodal incoming end of charging circuit 4, and the negative pole of diode D1 is connected with respectively one end of the former limit winding of transformer T1, one end of resistance R 1, the other end of the former limit winding of transformer T1 is connected with the colelctor electrode of triode Q1, and the other end of resistance R 1 is connected with respectively the base stage of triode Q1, one end of capacitor C 1, the negative pole of voltage-stabiliser tube ZD1, the other end of capacitor C 1 is connected with one end of the feedback winding of transformer T1 by resistance R 4, the negative pole of diode D3, the other end of the feedback winding of transformer T1 is connected with respectively the positive pole of electrochemical capacitor C2, the emitter stage of triode Q1, the other end of the feedback winding of transformer T1 is also connected with the base stage of triode Q1 by resistance R 2, the other end of the feedback winding of transformer T1 is also connected with the negative pole incoming end of charging circuit 4 by resistance R 3, the other end of the feedback winding of transformer T1 also connects respectively the positive pole of diode D3 by resistance R 5, the positive pole of voltage-stabiliser tube ZD1, the negative pole of electrochemical capacitor C2, one end of the secondary winding of transformer T1 is connected with the cathode output end of charging circuit 4, and the other end of the secondary winding of transformer T1 is connected with the negative pole of diode D2, and the positive pole of diode D2 is connected with the cathode output end of charging circuit 4.
After civil power input, after diode D1 halfwave rectifier, enter transformer T1, and be added on the colelctor electrode of triode Q1 by the former limit winding of transformer T1, simultaneously, one part of current is added in triode Q1 base stage by resistance R 1, triode Q1 conducting, electric current flows through the former limit winding of transformer T1, now the flux change of transformer T1 magnetic core makes the feedback winding of transformer T1 and secondary winding induce voltage, the voltage reversal of the feedback winding of transformer T1 is added in the base stage of triode Q1, make triode Q1 cut-off, so iterative cycles, the secondary winding of transformer T1 has just induced voltage, then the secondary winding of transformer T1 is exported after diode D2 halfwave rectifier.
Claims (3)
1. an infrared remote control power-off charger for mobile phone, it is characterized in that: comprise housing, infrared transmitting element, infrared receiver, power-off protection unit, charging circuit and USB connecting line, power-off protection unit, charging circuit is all located in housing, housing is provided with USB interface, charging circuit is connected with USB connecting line by USB interface, power-off protection unit comprises controller, relay, timer, charging circuit is connected with civil power by relay, relay is also connected with controller, controller is connected with timer, infrared receiver is located on housing, infrared receiver connects controller.
2. infrared remote control power-off charger for mobile phone as claimed in claim 1, is characterized in that: charging circuit comprises diode D1, transformer T1, resistance R 1, resistance R 2, resistance R 3, triode Q1, capacitor C 1, voltage-stabiliser tube ZD1, resistance R 4, electrochemical capacitor C2, resistance R 5, diode D2, diode D3, the positive pole of diode D1 connects the anodal incoming end of charging circuit, and the negative pole of diode D1 is connected with respectively one end of the former limit winding of transformer T1, one end of resistance R 1, the other end of the former limit winding of transformer T1 is connected with the colelctor electrode of triode Q1, and the other end of resistance R 1 is connected with respectively the base stage of triode Q1, one end of capacitor C 1, the negative pole of voltage-stabiliser tube ZD1, the other end of capacitor C 1 is connected with one end of the feedback winding of transformer T1 by resistance R 4, the negative pole of diode D3, the other end of the feedback winding of transformer T1 is connected with respectively the positive pole of electrochemical capacitor C2, the emitter stage of triode Q1, the other end of the feedback winding of transformer T1 is also connected with the base stage of triode Q1 by resistance R 2, the other end of the feedback winding of transformer T1 is also connected with the negative pole incoming end of charging circuit by resistance R 3, the other end of the feedback winding of transformer T1 also connects respectively the positive pole of diode D3 by resistance R 5, the positive pole of voltage-stabiliser tube ZD1, the negative pole of electrochemical capacitor C2, one end of the secondary winding of transformer T1 is connected with the cathode output end of charging circuit, and the other end of the secondary winding of transformer T1 is connected with the negative pole of diode D2, and the positive pole of diode D2 is connected with the cathode output end of charging circuit.
3. infrared remote control power-off charger for mobile phone as claimed in claim 2, is characterized in that: infrared transmitting element is located in remote controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520968389.9U CN205248880U (en) | 2015-11-30 | 2015-11-30 | Infrared remote control outage cell -phone charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520968389.9U CN205248880U (en) | 2015-11-30 | 2015-11-30 | Infrared remote control outage cell -phone charger |
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| CN205248880U true CN205248880U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520968389.9U Active CN205248880U (en) | 2015-11-30 | 2015-11-30 | Infrared remote control outage cell -phone charger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449802A (en) * | 2015-11-30 | 2016-03-30 | 芜湖锐芯电子科技有限公司 | Infrared remote power-off mobile phone charger |
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- 2015-11-30 CN CN201520968389.9U patent/CN205248880U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449802A (en) * | 2015-11-30 | 2016-03-30 | 芜湖锐芯电子科技有限公司 | Infrared remote power-off mobile phone charger |
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