CN203312846U - A multifunctional mobile power supply - Google Patents
A multifunctional mobile power supply Download PDFInfo
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- CN203312846U CN203312846U CN2013202679249U CN201320267924U CN203312846U CN 203312846 U CN203312846 U CN 203312846U CN 2013202679249 U CN2013202679249 U CN 2013202679249U CN 201320267924 U CN201320267924 U CN 201320267924U CN 203312846 U CN203312846 U CN 203312846U
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Abstract
The utility model discloses a multifunctional mobile power supply comprising a USB input port, a power supply circuit, and a USB output port. The multifunctional mobile power supply also comprises at least one mobile terminal interface with an OTG function, and one charging-data-OTG state transition control circuit. The charging-data -OTG state transition control circuit is separately connected with the input port, the output port, the mobile terminal interface, and the power supply circuit. The multifunctional mobile power supply of the utility model not only is provided with a function of carrying out charging for mobile terminals such as handsets, tablet computers, and cameras, but also is provided with functions of data lines and OTG lines, so that the trouble that connecting lines should be additionally allocated to the mobile terminal equipments when users connect the mobile terminal equipments to PCs or adapters is avoided. The circuit is simple, easy to realize, very convenient and very practical.
Description
Technical field
The utility model relates to portable electric appts accessory field, relates in particular to a kind of Multifunctional portable power source.
Background technology
Universal along with various intelligent mobile terminals such as smart mobile phone, panel computer, camera etc., make USBOTG equipment both can be used as main equipment also can be used as from the function of equipment possess obtain more and more extensive use may.Yet the mobile terminal of prior art substantially all needs special-purpose OTG line to connect could realize the OTG function.And existing portable power source generally also all only is provided with charging inlet, can only play the effect to mobile terminal charging, do not possess and serve as PC and with digital equipment data or OTG, be connected the function of medium.When the user uses smart mobile phone or panel computer to connect other digital equipment such as USB flash disk, need to use independent OTG line, carry, use all inconvenient and reduced cruising time of mobile phone or panel computer; In addition, existing portable power source does not possess the translation interface between USB and other external devices yet, can not cater to the modern number code product user demand comprehensive to mobile device functionality.
The utility model content
Technical problem to be solved in the utility model is: a kind of Multifunctional portable power source is provided, this portable power source has the function to emergent charging such as mobile terminal such as mobile phone, panel computer, cameras, the function of also having gathered data wire, OTG line, remove user's trouble that the additional configuration connecting line brings while using mobile terminal device to be connected with PC or adapter from, and circuit simply easily realize, very convenient and practical.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of Multifunctional portable power source, include the USB input port, power-supply circuit and the USB output port that connect successively, also include at least one mobile terminal interface with OTG function and charging-data-OTG state conversion control circuit, these charging-data-OTG state conversion control circuit is connected with described input port, output port, mobile terminal interface and power-supply circuit respectively.
Preferably, described charging-data-OTG state conversion control circuit circuit conversion unit of including data pin short circuit connecting circuit, the unsettled connecting circuit of data pin, ID pin grounding connection circuit and being connected with described data pin short circuit connecting circuit, the unsettled connecting circuit of data pin, ID pin grounding connection circuit.
Preferably, but but described power-supply circuit includes charging circuit repeated charge battery, the DC-DC booster circuit of being located at successively between described USB input port and USB output port and the control circuit be connected with the DC-DC booster circuit with described repeated charge battery, and this control circuit is provided with the first control signal output port and the second control signal output port be connected with described charging-data-OTG state conversion control circuit at least.
Preferably, described USB input port comprises that at least a Micro USB mother socket, described USB output interface comprise that at least a USB mother socket, described mobile terminal interface comprise a Micro USB public plug at least.
Preferably, described charging-data-OTG state conversion control circuit includes diode D1, the first field effect transistor M1, the second field effect transistor M2, triode Q1, pull down resistor R1 and pull-up resistor R2, wherein, the positive pole of described diode D1 and negative pole are connected respectively to input and the output of described power-supply circuit; The grid of described the first field effect transistor M1 is connected with described the first control signal output port, drain electrode is connected with the ID pin of described Micro USB, source ground; The base stage of described triode Q1 is connected with described the second control signal output port, collector electrode is connected with the grid of described the second field effect transistor and by pull-up resistor R2, be connected to output, the grounded emitter of power-supply circuit; The drain electrode of described the second field effect transistor M2 is connected with the D+ pin with the D-pin of described Micro USB mother socket, USB mother socket, Micro USB public plug respectively with source electrode, and its source electrode is by pull down resistor R2 ground connection.
Preferably, but between described charging circuit and repeated charge battery, also be provided with battery protecting circuit.
Preferably, described control circuit also is connected with a display circuit.
Preferably, described control circuit also is connected with working state indicating circuit and battery capacity indication circuit.
Preferably, described mobile terminal interface also includes iPhone Dock public plug or iPhone Lightning public plug.
Preferably, described USB input port also includes Micro USB public plug or Mini USB mother socket.
Preferably, the output of described power-supply circuit also is connected with a LED lighting circuit.
The beneficial effects of the utility model are:
Embodiment of the present utility model has mobile terminal interface and the charging-data-OTG state conversion control circuit of OTG function by setting, thereby not only had the function to emergent charging such as mobile terminal such as mobile phone, panel computer, cameras, the function of also having gathered data wire, OTG line, removed the trouble that when user used mobile terminal device to be connected with PC or adapter, the additional configuration connecting line brought from, and the simple easily realization, very convenient and practical of circuit.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
The accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of Multifunctional portable power source of the present utility model.
Fig. 2 is the structural representation of power-supply circuit in embodiment of Multifunctional portable power source of the present utility model.
Fig. 3 is the circuit connection diagram of input port in embodiment of Multifunctional portable power source of the present utility model.
Fig. 4 is the circuit connection diagram of mobile terminal output port in embodiment of Multifunctional portable power source of the present utility model.
Fig. 5 is the circuit connection diagram of USB output port in embodiment of Multifunctional portable power source of the present utility model.
Fig. 6 is the circuit connection diagram of function conversion circuit in embodiment of Multifunctional portable power source of the present utility model.
Embodiment
Below with reference to Fig. 1-Fig. 6, describe an embodiment of the Multifunctional portable power source that the utility model provides in detail; As shown in Figure 1, the present embodiment mainly includes USB input port 1, power-supply circuit 2 and the USB output port 3 connected successively, also include at least one mobile terminal interface with OTG function 4 and charging-data-OTG state conversion control circuit 5, these charging-data-OTG state conversion control circuit 5 is connected with described input port 1, output port 3, mobile terminal interface 4 and power-supply circuit 2 respectively.
In addition, the output of described power-supply circuit 2 also can connect a LED lighting circuit 6, in order to realize the function of LED flashlight.
The mobile terminal of the present embodiment can be the various digital equipments such as mobile phone, panel computer or camera.
During specific implementation, the circuit conversion unit (not shown) that described charging-data-OTG state conversion control circuit 5 includes data pin short circuit connecting circuit (not shown), the unsettled connecting circuit (not shown) of data pin, ID pin grounding connection circuit (not shown) and is connected with described data pin short circuit connecting circuit, the unsettled connecting circuit of data pin, ID pin grounding connection circuit.When described circuit conversion unit is switched to data pin short circuit connecting circuit, can realize that charging connects; While being switched to the unsettled connecting circuit of data pin, can realize that data connect; While being switched to ID pin earthed circuit, can realize that OTG connects.
Please refer to Fig. 2, during specific implementation, but but described power-supply circuit 2 can specifically include charging circuit 21 repeated charge batteries 22, the DC-DC booster circuit 23 of being located at successively between described USB input port 1 and USB output port 2 and the control circuit 24 be connected with DC-DC booster circuit 23 with described repeated charge battery 22, and this control circuit 24 is provided with the first control signal output port IO_1 and the second control signal output port IO_2 be connected with described charging-data-OTG state conversion control circuit 5 at least.
Further, described control circuit 24 also is connected with display circuit 25, working state indicating circuit 26 and battery capacity indication circuit 27.And, in order to protect cell safety, consider, but can be provided with battery protecting circuit in described repeated charge battery 22.
Please refer to Fig. 3-Fig. 5, as a preferred implementation of the present embodiment, described USB input port comprises that at least a Micro USB mother socket, described USB output interface comprise that at least a USB mother socket, described mobile terminal interface comprise a Micro USB public plug at least.
In addition, described USB input port 1 also can include Micro USB public plug (not shown) or Mini USB mother socket (not shown).Described USB public plug can directly access the main process equipments such as computer, after the present embodiment is set to the data connection status, does not need extra data wire, and the main process equipments such as computer can directly be connected with digital equipment data such as mobile phones.
Described mobile terminal interface 4 also can include iPhone Dock public plug or iPhone Lightning public plug.
Please refer to Fig. 6, during specific implementation, described charging-data-OTG state conversion control circuit 5 can specifically include diode D1, the first field effect transistor M1, the second field effect transistor M2, triode Q1, pull down resistor R1 and pull-up resistor R2, wherein, the positive pole of described diode D1 and negative pole are connected respectively to input and the output of described power-supply circuit 2; The grid of described the first field effect transistor M1 is connected with described the first control signal output port, drain electrode is connected with the ID pin of described Micro USB, source ground; The base stage of described triode Q1 is connected with described the second control signal output port, collector electrode is connected with the grid of described the second field effect transistor and by pull-up resistor R2, be connected to output, the grounded emitter of power-supply circuit; The drain electrode of described the second field effect transistor M2 is not connected with the data pins of described Micro USB mother socket, USB mother socket, Micro USB public plug with source electrode, and its drain electrode is by pull down resistor R2 ground connection.
In Fig. 3-Fig. 6, Vin is the output voltage (namely as the computer of power supply or the output voltage of power supply adaptor) of power-supply circuit 2; Vout is the output voltage of power-supply circuit 2; D-, D+ pin are the data pins of USB input port 1, mobile terminal interface 4, USB output port 3; ID is the ID pin of mobile terminal interface 4; IO_1, IO_2 are the control output signals of portable power source functional module.
Below describe the operation principle of the present embodiment in detail.
Computer or power supply adaptor are by charging wire or after being directly connected to USB input port 1, computer or power supply adaptor charge to the present embodiment;
The first control signal output port IO_1 is low level, when the second control signal output port IO_2 is high level, the first field effect transistor M1, the second field effect transistor M2 turn-off, the present embodiment is set to the data connection status, USB input port 1 connects the main process equipments such as computer by data wire, after mobile terminal interface 4 connects the digital equipment such as mobile phones, be connected by digital equipment data such as portable power source and mobile phones, for digital equipments such as part mobile phones, when connecting, data also can charge;
The first control signal output port IO_1 is low level, and when the second control signal output port IO_2 was low level, the first field effect transistor M1 turn-offed, the second field effect transistor M2 conducting, diode D1 and D+ pin short circuit, the present embodiment is set to charged state, has following 2 kinds of chargings to select:
1, mobile terminal interface 4 connects the digital equipment such as mobile phones or/and USB output port 3 connects the digital equipments such as mobile phone by charging wire, and portable power source is to digital equipment quick charges such as mobile phones;
2, USB input port 1 connects computer or power supply adaptor by charging wire, mobile terminal interface 4 connects the digital equipment such as mobile phones or/and USB output port 3 connects the digital equipment such as mobile phone by charging wire after, computer or power supply adaptor can be the digital equipment quick charges such as mobile phone.
The first control signal output port IO_1 is high level, when the second control signal output port IO_2 is high level, the first field effect transistor M1 conducting, the second field effect transistor M2 turn-offs, ID pin ground connection, D-pin and D+ pin are unsettled, the present embodiment is set to the OTG connection status, the digital storage equipment such as USB output port 3 access USB flash disks, after the digital equipments such as mobile phone of OTG access facility are supported in mobile terminal interface 4 accesses, support the digital equipments such as mobile phone of OTG access facility to be connected with the USB flash disk data by portable power source, but now USB input port 1 can not access the main process equipments such as computer.
The above is preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection range of the present utility model.
Claims (10)
1. Multifunctional portable power source, include the USB input port, power-supply circuit and the USB output port that connect successively, it is characterized in that: also include at least one mobile terminal interface with OTG function and charging-data-OTG state conversion control circuit, these charging-data-OTG state conversion control circuit is connected with described input port, output port, mobile terminal interface and power-supply circuit respectively.
2. Multifunctional portable power source as claimed in claim 1, is characterized in that: the circuit conversion unit that described charging-data-OTG state conversion control circuit includes data pin short circuit connecting circuit, the unsettled connecting circuit of data pin, ID pin grounding connection circuit and is connected with described data pin short circuit connecting circuit, the unsettled connecting circuit of data pin, ID pin grounding connection circuit.
3. Multifunctional portable power source as claimed in claim 2, it is characterized in that: but but described power-supply circuit includes charging circuit repeated charge battery, the DC-DC booster circuit of being located at successively between described USB input port and USB output port and the control circuit be connected with the DC-DC booster circuit with described repeated charge battery, and this control circuit is provided with the first control signal output port and the second control signal output port be connected with described charging-data-OTG state conversion control circuit at least.
4. Multifunctional portable power source as claimed in claim 3, it is characterized in that: described USB input port comprises a Micro USB mother socket at least, described USB output interface comprises a USB mother socket at least, and described mobile terminal interface comprises a Micro USB public plug at least.
5. multifunctional power as claimed in claim 4, it is characterized in that: described charging-data-OTG state conversion control circuit specifically includes diode D1, the first field effect transistor M1, the second field effect transistor M2, triode Q1, pull down resistor R1 and pull-up resistor R2, wherein, the positive pole of described diode D1 and negative pole are connected respectively to input and the output of described power-supply circuit; The grid of described the first field effect transistor M1 is connected with described the first control signal output port, drain electrode is connected with the ID pin of described Micro USB, source ground; The base stage of described triode Q1 is connected with described the second control signal output port, collector electrode is connected with the grid of described the second field effect transistor and by pull-up resistor R2, be connected to output, the grounded emitter of power-supply circuit; The drain electrode of described the second field effect transistor M2 is connected with the data pins of described Micro USB mother socket, USB mother socket, Micro USB public plug respectively with source electrode, and its drain electrode is by pull down resistor R2 ground connection.
6. Multifunctional portable power source as claimed in claim 5, it is characterized in that: described control circuit also is connected with a display circuit.
7. Multifunctional portable power source as claimed in claim 6, it is characterized in that: described control circuit also is connected with working state indicating circuit and battery capacity indication circuit.
8. Multifunctional portable power source as claimed in claim 7, it is characterized in that: described mobile terminal interface also includes iPhone Dock public plug or iPhone Lightning public plug.
9. Multifunctional portable power source as claimed in claim 8, it is characterized in that: described USB input port also includes the USB public plug.
10. Multifunctional portable power source as claimed in claim 9, it is characterized in that: the output of described power-supply circuit also is connected with a LED lighting circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202679249U CN203312846U (en) | 2013-05-16 | 2013-05-16 | A multifunctional mobile power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202679249U CN203312846U (en) | 2013-05-16 | 2013-05-16 | A multifunctional mobile power supply |
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| CN203312846U true CN203312846U (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013202679249U Expired - Fee Related CN203312846U (en) | 2013-05-16 | 2013-05-16 | A multifunctional mobile power supply |
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| CN (1) | CN203312846U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104767229A (en) * | 2014-01-03 | 2015-07-08 | 岳造宇 | Integrated power bank |
| CN104978300A (en) * | 2015-07-16 | 2015-10-14 | 广东欧珀移动通信有限公司 | Mobile terminal as well as detecting method and device for connection of mobile terminal and external equipment |
| WO2015154364A1 (en) * | 2014-04-11 | 2015-10-15 | 深圳市哈里通实业有限公司 | Automatic identification terminal charging and self-adaptive terminal otg system for portable power source |
| CN105071484A (en) * | 2015-08-25 | 2015-11-18 | 广东欧珀移动通信有限公司 | Charging method and apparatus of terminal having data exchange function |
| CN105071488A (en) * | 2015-08-25 | 2015-11-18 | 广东欧珀移动通信有限公司 | Charging method and apparatus of terminal having data exchange function |
| WO2016049990A1 (en) * | 2014-09-29 | 2016-04-07 | 深圳市永强科技有限公司 | Multifunctional portable power supply apparatus |
| WO2016065822A1 (en) * | 2014-10-27 | 2016-05-06 | 北京元隆雅图文化传播股份有限公司 | Multifunctional data mobile power supply and charging method |
| CN106849263A (en) * | 2017-03-23 | 2017-06-13 | 深圳市乐迪高科技有限公司 | A kind of power supply unit, electric power system, method of supplying power to |
| CN107612104A (en) * | 2017-11-07 | 2018-01-19 | 深圳市昇耀光电科技有限公司 | Control method and device when USB flash disk charger baby charges |
| CN107706994A (en) * | 2017-11-07 | 2018-02-16 | 深圳市昇耀光电科技有限公司 | Control method and device when USB flash disk charger baby is to load charging |
| CN109586111A (en) * | 2019-01-23 | 2019-04-05 | 芯海科技（深圳）股份有限公司 | A kind of TYPE-C interface one-to-two conversion circuit |
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2013
- 2013-05-16 CN CN2013202679249U patent/CN203312846U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104767229A (en) * | 2014-01-03 | 2015-07-08 | 岳造宇 | Integrated power bank |
| WO2015154364A1 (en) * | 2014-04-11 | 2015-10-15 | 深圳市哈里通实业有限公司 | Automatic identification terminal charging and self-adaptive terminal otg system for portable power source |
| WO2016049990A1 (en) * | 2014-09-29 | 2016-04-07 | 深圳市永强科技有限公司 | Multifunctional portable power supply apparatus |
| US20170324258A1 (en) * | 2014-10-27 | 2017-11-09 | Beijing Yuanlong Yato Culture Dissemination Co., Ltd. | Multifunctional Data Mobile Power Supply and Charging Method |
| US10283976B2 (en) * | 2014-10-27 | 2019-05-07 | Beijing Yuanlong Yato Culture Dissemination Co., Ltd. | Multifunctional data mobile power supply and charging method |
| WO2016065822A1 (en) * | 2014-10-27 | 2016-05-06 | 北京元隆雅图文化传播股份有限公司 | Multifunctional data mobile power supply and charging method |
| CN104978300A (en) * | 2015-07-16 | 2015-10-14 | 广东欧珀移动通信有限公司 | Mobile terminal as well as detecting method and device for connection of mobile terminal and external equipment |
| CN104978300B (en) * | 2015-07-16 | 2019-04-12 | Oppo广东移动通信有限公司 | Mobile terminal and its detection method being connect with external equipment and device |
| CN105071488A (en) * | 2015-08-25 | 2015-11-18 | 广东欧珀移动通信有限公司 | Charging method and apparatus of terminal having data exchange function |
| CN105071484B (en) * | 2015-08-25 | 2018-11-20 | 广东欧珀移动通信有限公司 | A kind of charging method and device of the terminal with data exchanging function |
| CN105071484A (en) * | 2015-08-25 | 2015-11-18 | 广东欧珀移动通信有限公司 | Charging method and apparatus of terminal having data exchange function |
| CN106849263A (en) * | 2017-03-23 | 2017-06-13 | 深圳市乐迪高科技有限公司 | A kind of power supply unit, electric power system, method of supplying power to |
| CN107612104A (en) * | 2017-11-07 | 2018-01-19 | 深圳市昇耀光电科技有限公司 | Control method and device when USB flash disk charger baby charges |
| CN107706994A (en) * | 2017-11-07 | 2018-02-16 | 深圳市昇耀光电科技有限公司 | Control method and device when USB flash disk charger baby is to load charging |
| CN107612104B (en) * | 2017-11-07 | 2020-10-30 | 深圳市昇耀光电科技有限公司 | Control method and device for charging of U disk charger |
| CN109586111A (en) * | 2019-01-23 | 2019-04-05 | 芯海科技（深圳）股份有限公司 | A kind of TYPE-C interface one-to-two conversion circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20140516 |