CN204361700U - motorcycle charger for mobile phone - Google Patents
motorcycle charger for mobile phone Download PDFInfo
- Publication number
- CN204361700U CN204361700U CN201420470206.6U CN201420470206U CN204361700U CN 204361700 U CN204361700 U CN 204361700U CN 201420470206 U CN201420470206 U CN 201420470206U CN 204361700 U CN204361700 U CN 204361700U
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- China
- Prior art keywords
- resistance
- electrochemical capacitor
- motorcycle
- protection circuit
- transformer protection
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model proposes a kind of motorcycle charger for mobile phone, comprise 5V transformer protection circuit, interface convertor and multiple handset port; The electrode of motorcycle battery is connected respectively to the input of 5V transformer protection circuit; The output of 5V transformer protection circuit is connected to interface convertor; Multiple handset port is connected with interface convertor respectively.Motorcycle charger for mobile phone of the present utility model can realize motorcycle and charge to mobile phone, and larger electric current can be provided to carry out quick charge, and ensures circuit safety.
Description
Technical field
The utility model relates to mobile phone charging field, is specifically related to motorcycle cell phone charging circuit.
Background technology
Along with the universal use of mobile phone, people more and more be unable to do without mobile phone, but innovate along with the exploitation of cell-phone function, and the power consumption of mobile phone increases day by day, how easily for mobile phone charges, becomes a difficult problem.On the other hand, motorcycle is the more vehicles of routine use, is a kind of trend the combination of charging of motorcycle and mobile phone.
Utility model content
For above-mentioned, the technical problems to be solved in the utility model is to provide and a kind ofly realizes the circuit that motorcycle carries out mobile phone charging.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: motorcycle charger for mobile phone, comprises 5V transformer protection circuit, interface convertor and multiple handset port; The input of 5V transformer protection circuit is for being connected to the electrode of motorcycle battery; The output of 5V transformer protection circuit is connected to interface convertor; Multiple handset port is connected with interface convertor respectively.Such mode can use motorcycle power source to charge to mobile phone, improves serviceability.
Further technical scheme is, described 5V transformer protection circuit comprises buck current detection chip and electric current pio chip; The input of buck current detection chip and the Electrode connection of motorcycle battery; The output of buck current detection chip is connected with the input of electric current pio chip; The output of electric current pio chip is connected with interface convertor.Such mode makes the voltage of buck current detection chip to motorcycle battery be lowered, and the output current of buck current detection chip to electric current pio chip controls, and avoids electric current excessive, and electric current pio chip then exports big current and charges to mobile phone.
Further technical scheme is, the minus earth of motorcycle battery; The positive pole of motorcycle battery is connected to the positive pole of an electrochemical capacitor C1, the minus earth of electrochemical capacitor C1; The positive pole of electrochemical capacitor C1 is also connected to the positive pole of electrochemical capacitor C2, the minus earth of electrochemical capacitor C2 by an inductance L 1; The positive pole of electrochemical capacitor C2 is connected to the input pin of buck current detection chip, the low reference pin ground connection of buck current detection chip; The positive pole of electrochemical capacitor C2 is also connected respectively to two power supply input pins of electric current pio chip; The output pin of buck current detection chip is connected to two input pins of electric current pio chip; The output pin of electric current pio chip is connected to the first end of an inductance L 2, and the second end of inductance L 2 is the output of 5V transformer protection circuit; Second end of inductance L 2 is also connected to the positive pole of an electrochemical capacitor C3, the minus earth of electrochemical capacitor C3, and the second end of inductance L 2 is also connected to the feedback input end of buck current detection chip.Such mode makes the electric current of electric current pio chip again can be detected by buck current detection chip, carries out FEEDBACK CONTROL, further improves charge efficiency and ensures safety.
Further technical scheme is, described 5V transformer protection circuit also comprises resistance R1 and electrochemical capacitor C4; Second end of inductance L 2 is connected with the first end of resistance R1, and second end of resistance R1 is the output of 5V transformer protection circuit; Second end of resistance R1 is also connected to the positive pole of electrochemical capacitor C4, the minus earth of electrochemical capacitor C4.
Further technical scheme is, described 5V transformer protection circuit also comprises the first dividing potential drop feedback circuit and the second dividing potential drop feedback circuit, described first dividing potential drop feedback circuit comprises resistance R2 and the resistance R3 of series connection mutually, and described second dividing potential drop feedback circuit comprises resistance R4 and the resistance R5 of series connection mutually; Second end of resistance R1 is by the first dividing potential drop feedback circuit ground connection, and second end of resistance R1 is by the second dividing potential drop feedback circuit ground connection; The node of resistance R2 and resistance R3 is connected to the second feedback input end of buck current detection chip; The node of resistance R4 and resistance R5 is connected to the feedback input end of electric current pio chip.Such mode improves feedback effects more further.
Preferred technical scheme is, the output pin of electric current pio chip is also connected to the negative electrode of a diode D2, the plus earth of diode D2.
Preferred technical scheme is, also comprises indicator light circuit; Described indicator light circuit comprises resistance R6 and the light-emitting diode D1 of series connection mutually; The output of 5V transformer protection circuit is by indicator light circuit ground connection.Such scheme makes the effective indicating operating status of charger.
Motorcycle charger for mobile phone of the present utility model can realize motorcycle and charge to mobile phone, and larger electric current can be provided to carry out quick charge, and ensures circuit safety.
Accompanying drawing explanation
Fig. 1 is the connection diagram of the utility model motorcycle charger for mobile phone.
Fig. 2 is the circuit theory diagrams of the 5V transformer protection circuit of the utility model motorcycle charger for mobile phone.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As depicted in figs. 1 and 2, motorcycle charger for mobile phone of the present utility model, comprises motorcycle battery 1,5V transformer protection circuit 2, interface convertor 3 and multiple handset port 4; The electrode of motorcycle battery 1 is connected respectively to the input of 5V transformer protection circuit 2; The output of 5V transformer protection circuit 2 is connected to interface convertor 3; Multiple handset port 4 is connected with interface convertor 3 respectively.Multiple handset ports 4 adopt the interface of different size, such as USB port and apple interface etc., meet multiple mobile phone and use.
Particularly, described 5V transformer protection circuit 2 comprises buck current detection chip IC1 and electric current pio chip IC2; The input of buck current detection chip IC1 and the Electrode connection of motorcycle battery 1; The output of buck current detection chip IC1 is connected with the input of electric current pio chip IC2; The output of electric current pio chip IC2 is connected with interface convertor 3.The minus earth of motorcycle battery 1; The positive pole of motorcycle battery 1 is connected to the positive pole of an electrochemical capacitor C1, the minus earth of electrochemical capacitor C1; The positive pole of electrochemical capacitor C1 is also connected to the positive pole of electrochemical capacitor C2, the minus earth of electrochemical capacitor C2 by an inductance L 1; The positive pole of electrochemical capacitor C2 is connected to the input pin (the 1st pin) of buck current detection chip IC1, low reference pin (the 2nd pin) ground connection of buck current detection chip IC1; The positive pole of electrochemical capacitor C2 is also connected respectively to two power supplies input pin (the 1st pin, the 2nd pin) of electric current pio chip IC2; The output pin (the 4th pin) of buck current detection chip IC1 is connected to two input pins (the 3rd pin, the 4th pin) of electric current pio chip IC2; The output pin (the 7th pin) of electric current pio chip IC2 is connected to the first end of an inductance L 2, and the second end of inductance L 2 is the output of 5V transformer protection circuit 2; Second end of inductance L 2 is also connected to the positive pole of an electrochemical capacitor C3, the minus earth of electrochemical capacitor C3, and the second end of inductance L 2 is also connected to the feedback input end of buck current detection chip IC1 (the 6th pin).More specifically, described 5V transformer protection circuit 2 also comprises resistance R1 and electrochemical capacitor C4; Second end of inductance L 2 is connected with the first end of resistance R1, and second end of resistance R1 is the output of 5V transformer protection circuit 2; Second end of resistance R1 is also connected to the positive pole of electrochemical capacitor C4, the minus earth of electrochemical capacitor C4.Wherein, second end of resistance R1 is that to be connected to an interface JP1 (can be USB interface, or other standards interface) the first pin, the second pin ground connection of this interface JP1, this mode can make interface convertor 3 conveniently connect, and makes the interface convertor 3 that this programme can use market now to sell.Described 5V transformer protection circuit 2 also comprises the first dividing potential drop feedback circuit and the second dividing potential drop feedback circuit, and described first dividing potential drop feedback circuit comprises resistance R2 and the resistance R3 of series connection mutually, and described second dividing potential drop feedback circuit comprises resistance R4 and the resistance R5 of series connection mutually; Second end of resistance R1 is by the first dividing potential drop feedback circuit ground connection, and second end of resistance R1 is by the second dividing potential drop feedback circuit ground connection; The node of resistance R2 and resistance R3 is connected to second feedback input end (the 3rd pin) of buck current detection chip IC1; The node of resistance R4 and resistance R5 is connected to the feedback input end (the 6th pin) of electric current pio chip IC2.Buck current detection chip IC1 is connected as diagram with other pins of electric current pio chip IC2, it is the basic connection keeping Function implementation.The output pin of electric current pio chip IC2 is also connected to the negative electrode of a diode D2, the plus earth of diode D2.Also comprise indicator light circuit; Described indicator light circuit comprises resistance R6 and the light-emitting diode D1 of series connection mutually; The output of 5V transformer protection circuit 2 is by indicator light circuit ground connection.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (6)
1. motorcycle charger for mobile phone, is characterized in that: comprise 5V transformer protection circuit, interface convertor and multiple handset port; The input of 5V transformer protection circuit is for being connected to the electrode of motorcycle battery; The output of 5V transformer protection circuit is connected to interface convertor; Multiple handset port is connected with interface convertor respectively; Described 5V transformer protection circuit comprises buck current detection chip and electric current pio chip; The input of buck current detection chip and the Electrode connection of motorcycle battery; The output of buck current detection chip is connected with the input of electric current pio chip; The output of electric current pio chip is connected with interface convertor.
2. motorcycle charger for mobile phone according to claim 1, is characterized in that: the minus earth of motorcycle battery; The positive pole of motorcycle battery is connected to the positive pole of an electrochemical capacitor C1, the minus earth of electrochemical capacitor C1; The positive pole of electrochemical capacitor C1 is also connected to the positive pole of electrochemical capacitor C2, the minus earth of electrochemical capacitor C2 by an inductance L 1; The positive pole of electrochemical capacitor C2 is connected to the input pin of buck current detection chip, the low reference pin ground connection of buck current detection chip; The positive pole of electrochemical capacitor C2 is also connected respectively to two power supply input pins of electric current pio chip; The output pin of buck current detection chip is connected to two input pins of electric current pio chip; The output pin of electric current pio chip is connected to the first end of an inductance L 2, and the second end of inductance L 2 is the output of 5V transformer protection circuit; Second end of inductance L 2 is also connected to the positive pole of an electrochemical capacitor C3, the minus earth of electrochemical capacitor C3, and the second end of inductance L 2 is also connected to the feedback input end of buck current detection chip.
3. motorcycle charger for mobile phone according to claim 2, is characterized in that: described 5V transformer protection circuit also comprises resistance R1 and electrochemical capacitor C4; Second end of inductance L 2 is connected with the first end of resistance R1, and second end of resistance R1 is the output of 5V transformer protection circuit; Second end of resistance R1 is also connected to the positive pole of electrochemical capacitor C4, the minus earth of electrochemical capacitor C4.
4. motorcycle charger for mobile phone according to claim 3, it is characterized in that: described 5V transformer protection circuit also comprises the first dividing potential drop feedback circuit and the second dividing potential drop feedback circuit, described first dividing potential drop feedback circuit comprises resistance R2 and the resistance R3 of series connection mutually, and described second dividing potential drop feedback circuit comprises resistance R4 and the resistance R5 of series connection mutually; Second end of resistance R1 is by the first dividing potential drop feedback circuit ground connection, and second end of resistance R1 is by the second dividing potential drop feedback circuit ground connection; The node of resistance R2 and resistance R3 is connected to the second feedback input end of buck current detection chip; The node of resistance R4 and resistance R5 is connected to the feedback input end of electric current pio chip.
5. motorcycle charger for mobile phone according to claim 2, is characterized in that: the output pin of electric current pio chip is also connected to the negative electrode of a diode D2, the plus earth of diode D2.
6. motorcycle charger for mobile phone according to claim 1, is characterized in that: also comprise indicator light circuit; Described indicator light circuit comprises resistance R6 and the light-emitting diode D1 of series connection mutually; The output of 5V transformer protection circuit is by indicator light circuit ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420470206.6U CN204361700U (en) | 2014-08-19 | 2014-08-19 | motorcycle charger for mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420470206.6U CN204361700U (en) | 2014-08-19 | 2014-08-19 | motorcycle charger for mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204361700U true CN204361700U (en) | 2015-05-27 |
Family
ID=53263147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420470206.6U Expired - Fee Related CN204361700U (en) | 2014-08-19 | 2014-08-19 | motorcycle charger for mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204361700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107979131A (en) * | 2017-12-07 | 2018-05-01 | 重庆秉为科技有限公司 | A kind of charging unit applied on electric automobile or battery-operated motor cycle |
-
2014
- 2014-08-19 CN CN201420470206.6U patent/CN204361700U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107979131A (en) * | 2017-12-07 | 2018-05-01 | 重庆秉为科技有限公司 | A kind of charging unit applied on electric automobile or battery-operated motor cycle |
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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: 20150527 Termination date: 20200819 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |