CN203406650U - Electric vehicle charger with USB function - Google Patents
Electric vehicle charger with USB function Download PDFInfo
- Publication number
- CN203406650U CN203406650U CN201320506218.5U CN201320506218U CN203406650U CN 203406650 U CN203406650 U CN 203406650U CN 201320506218 U CN201320506218 U CN 201320506218U CN 203406650 U CN203406650 U CN 203406650U
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- usb
- resistance
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- output port
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Abstract
Disclosed is an electric vehicle charger with a USB function. The electric vehicle charger is used for providing USB emergency power for people through an electric vehicle battery to meet the urgent needs of people under an emergent situation in which no mains power can be provided outdoors or power outage occurs indoors. The electric vehicle charger comprises an alternating-current input end, a power conversion circuit, a detection control unit and a charging output port, wherein the alternating-current input end is connected with the charging output port through the power conversion circuit, and the detection control unit is connected with the power conversion circuit. The electric vehicle charger is characterized in that the charging output port is further connected with a USB input end, the USB input end is connected with a USB circuit, and an output port of the USB circuit is a USB interface. The electric vehicle charger with a USB function has the advantages of being intelligent and multipurpose, powerful in function and easy to use.
Description
Technical field
The utility model relates to a kind of band USB functional electric car charger, all can be USB power supply when charger connects civil power or while connecting storage battery.
Background technology
Current mobile communication instrument has entered huge numbers of families, and novel intelligent mobile phone charge port all adopts USB interface, other digital products also most of USB interface that adopts charges, USB charging inlet has become indispensable complementary conditions in people's life, especially outdoor without situations such as civil power or indoor power failures under, guarantee that other digital product power supplies such as mobile phone become the most urgent demand of people.
Summary of the invention
Problem to be solved in the utility model be outdoor without civil power or indoor power failure etc. in emergency circumstances, by electromobile battery, for people provide USB emergency power supply, meet people's active demand.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of band USB functional electric car charger, comprise ac input end, power-switching circuit, detection control unit and charging output port, ac input end is connected with charger output port by power-switching circuit, detection control unit is connected with power-switching circuit, it is characterized in that: described charger output port is also connected with USB input, USB input is connected with USB circuit, and the output port of USB circuit is USB interface;
In described USB circuit, the positive pole of diode D3 is connected with 1 pin of integrated circuit U6 and the collector electrode of triode Q11, between 1 pin of integrated circuit U6 and 8 pin, be connected with resistance R 5,2 pin of integrated circuit U6 are by capacitor C 7 ground connection, 7 pin of integrated circuit U6 are connected with the base stage of triode Q11 by resistance R 8, resistance R 9 is connected between the base stage and emitter of triode Q11, and the emitter of triode Q11 is connected with diode D10 negative electrode and inductance L 12, the plus earth of diode D10.
Wherein, described inductance L 12 is connected with resistance R 13, resistance R 13 connect with resistance R 15 after ground connection, being connected in series to hold of 5 pin of integrated circuit U6 and resistance R 13 and resistance R 15 is connected, and is also connected with capacitor C 14 between inductance L 12 and ground.
Wherein, the model of described integrated circuit U6 is SX3600.
The utility model has the advantage of that charger intelligence is multiplex, powerful, convenient use.
Accompanying drawing explanation
Fig. 1 is operation principle block diagram of the present utility model.
Fig. 2 is the electrical schematic diagram of the utility model embodiment.
Embodiment
Problem to be solved in the utility model be outdoor without civil power or indoor power failure etc. in emergency circumstances, by electromobile battery, for people provide USB emergency power supply, meet people's active demand.
The scheme that the utility model solves the problems of the technologies described above is as follows.
A kind of band USB functional electric car charger, comprise ac input end, power-switching circuit, detection control unit and charging output port, ac input end is connected with charger output port by power-switching circuit, detection control unit is connected with power-switching circuit, charger output port is also connected with USB input, USB input is connected with USB circuit, and the output port of USB circuit is USB interface.
In described USB circuit, adopted DC TO DC switch power technology, mainly comprised integrated circuit U6 and its peripheral circuit, the model of integrated circuit U6 is SX3600.
In circuit, the positive pole of diode D3 is connected with 1 pin of integrated circuit U6 and the collector electrode of triode Q11, between 1 pin of integrated circuit U6 and 8 pin, is connected with resistance R 5, and 1 pin of integrated circuit U6 is also by capacitor C 4 ground connection.2 pin of integrated circuit U6 are by capacitor C 7 ground connection.7 pin of integrated circuit U6 are connected with the base stage of triode Q11 by resistance R 8, and resistance R 9 is connected between the base stage and emitter of triode Q11, and the emitter of triode Q11 is connected with diode D10 negative electrode and inductance L 12.The direct ground connection of 4 pin of integrated circuit U6.
Wherein, described inductance L 12 is connected with resistance R 13, resistance R 13 connect with resistance R 15 after ground connection, being connected in series to hold of 5 pin of integrated circuit U6 and resistance R 13 and resistance R 15 is connected, and is also connected with capacitor C 14 between inductance L 12 and ground.
The utility model is when having civil power, and charging output can be storage battery and USB power supply simultaneously; During without civil power, storage battery also can be powered for USB.
Resistance R 13 ground connection of connecting with resistance R 15, series connection end is connected with 5 pin of integrated circuit U1, for chip provides USB output voltage feedback signal.USB circuit working principle is, the integrated circuit U6 that plays control action adjusts the PWM pulsewidth of its 7 pin outputs according to the feedback signal of 5 pin, and triode Q11 is subject to 7 its on off states of pin signal controlling of integrated circuit U6.During triode Q11 conducting, capacitor C 4 is powered to inductance L 12 and capacitor C 14 by triode Q11; During triode Q11 cut-off, inductance L 12 is powered to C14 by diode D10 afterflow.
In circuit, B16 represents storage battery.Capacitor C 1 and diode D2 are charger output port circuit.
Social benefit of the present utility model and meaning, for people, outdoor without civil power or indoor power failure in the situation that, we propose a kind of electric car charger with USB function.It utilizes electromobile battery to provide USB emergency power supply for basis.It can be both electromobile battery charging having under the condition of civil power, can be again people without civil power in emergency circumstances, use storage battery to provide power supply to ensure for mobile phone or other digital product, multi-functional use, facilitate people's work and life, there is good social benefit and practical value.
Claims (3)
1. be with USB functional electric car charger for one kind, comprise ac input end, power-switching circuit, detection control unit and charging output port, ac input end is connected with charger output port by power-switching circuit, detection control unit is connected with power-switching circuit, it is characterized in that: described charger output port is also connected with USB input, USB input is connected with USB circuit, and the output port of USB circuit is USB interface;
In described USB circuit, the positive pole of diode D3 is connected with 1 pin of integrated circuit U6 and the collector electrode of triode Q11, between 1 pin of integrated circuit U6 and 8 pin, be connected with resistance R 5,2 pin of integrated circuit U6 are by capacitor C 7 ground connection, 7 pin of integrated circuit U6 are connected with the base stage of triode Q11 by resistance R 8, resistance R 9 is connected between the base stage and emitter of triode Q11, and the emitter of triode Q11 is connected with diode D10 negative electrode and inductance L 12, the plus earth of diode D10.
2. band USB functional electric car charger according to claim 1, it is characterized in that: described inductance L 12 is connected with resistance R 13, resistance R 13 connect with resistance R 15 after ground connection, 5 pin of integrated circuit U6 are connected with the end that is connected in series of resistance R 13 and resistance R 15, are also connected with capacitor C 14 between inductance L 12 and ground.
3. band USB functional electric car charger according to claim 1, is characterized in that: the model of described integrated circuit U6 is SX3600.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320506218.5U CN203406650U (en) | 2013-08-20 | 2013-08-20 | Electric vehicle charger with USB function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320506218.5U CN203406650U (en) | 2013-08-20 | 2013-08-20 | Electric vehicle charger with USB function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203406650U true CN203406650U (en) | 2014-01-22 |
Family
ID=49942570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320506218.5U Expired - Fee Related CN203406650U (en) | 2013-08-20 | 2013-08-20 | Electric vehicle charger with USB function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203406650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414228A (en) * | 2013-08-20 | 2013-11-27 | 山东润峰电子科技有限公司 | Electric vehicle charger with USB function |
-
2013
- 2013-08-20 CN CN201320506218.5U patent/CN203406650U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414228A (en) * | 2013-08-20 | 2013-11-27 | 山东润峰电子科技有限公司 | Electric vehicle charger with USB function |
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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: 20140122 Termination date: 20180820 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |