CN204131172U - Multifunctional portable power source - Google Patents
Multifunctional portable power source Download PDFInfo
- Publication number
- CN204131172U CN204131172U CN201420565453.4U CN201420565453U CN204131172U CN 204131172 U CN204131172 U CN 204131172U CN 201420565453 U CN201420565453 U CN 201420565453U CN 204131172 U CN204131172 U CN 204131172U
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- CN
- China
- Prior art keywords
- otg
- unit
- diode
- power source
- power supply
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of Multifunctional portable power source, comprise OTG control unit and power supply supplying module, described OTG control unit comprises the first USB port, the second USB port and charging-OTG state control circuit, and described charging-OTG state control circuit is connected with described first USB port, described second USB port and described power supply supplying module respectively.The utility model is by when circuit design makes the OTG function opening mobile phone carry out exchanges data cleverly, can certainly directly be powered as external equipment by portable power source by multi-functional, solve conventional mobile phone OTG and transmit the too small problem of output current, there is the features such as structure is simple, easy to use, elegant in appearance and practical, effectively improve the operating efficiency of user.
Description
Technical field
The utility model relates to portable power devices field, particularly relates to a kind of Multifunctional portable power source.
Background technology
Portable power source integrates power supply and the portable charger charged, and along with widely using of the portable electric appts such as mobile phone, flat board, digital camera, card reader and portable hard drive, the demand of user to Multifunctional portable power source increases rapidly.
OTG is the abbreviation of On-The-Go, for the communication connection between different mobile device, thus realizes the exchanges data between distinct device.When the electronic products such as mobile phone and USB flash disk, card reader and flat board being connected the transfer of data that can realize between mobile phone and these external equipments without PC end as using OTG line when terminal, therefore, the range of application of OTG is more and more extensive, but user needs to be equipped with separately and to carry OTG line could realize OTG function, not only very inconvenient, and be easy to lose OTG line.
At present, the portable power source that market is sold generally can only realize common power supply or charge function, do not have OTG function, minority possesses the reason of portable power source due to circuit structure design of OTG function, exchanges data between the external equipment that can only realize mobile phone and non-Micro-USB interface, and provide power supply by mobile phone self external device, when connecting big current external equipment, because the output current of mobile phone is less, stable working power can not be provided for external equipment, thus cause mobile phone can not read big current external equipment.
Utility model content
The technical problem that the utility model mainly solves is that portable power source function of the prior art is comparatively single, when using OTG function to connect big current external equipment, because the output current of mobile phone is less, can not provide stable working power for external equipment.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: provide a kind of Multifunctional portable power source, it is characterized in that, comprise OTG control unit and power supply supplying module, described OTG control unit comprises the first USB port, the second USB port and charging-OTG state control circuit, and described charging-OTG state control circuit is connected with described first USB port, described second USB port and described power supply supplying module respectively; Wherein, described first USB port is the Micro USB male seat of 5pin, comprises OTG power supply output pin, the first differential signal pin, an ID pin and the first output pin; Described second USB port is the USB female seat of 4pin, comprises OTG power supply input pin, the second differential signal pin and the second output pin; Described charging-OTG state control circuit comprises state switch, the first diode, the second diode, the 3rd diode and pull down resistor; Described state switch is double-point double-throw switch, comprises the first fixed contact, the second fixed contact, the first moving contact, the second moving contact, the 3rd moving contact and the 4th moving contact; The positive pole of described first diode is connected with the output of described power supply supplying module, its negative pole is connected with the negative pole of described second diode, the positive pole of described 3rd diode and described OTG power supply input pin respectively, the positive pole of described second diode is all connected with described OTG power supply output pin with the negative pole of described 3rd diode, and described first differential signal pin and described second differential signal pin are connected with described first fixed contact and described first moving contact respectively; A described ID pin is connected with described second fixed contact through described pull down resistor, and the first output pin and the second output pin are all connected with the input of described 4th moving contact and described power supply supplying module.
Preferably, the Standard resistance range of described pull down resistor is 1 Ω ~ 100 Ω.
Preferably, described first diode is boosting output isolating diode, and negative pole output voltage is+5.2V.
Preferably, compatible USB-A and USB-B of described second USB port.
Preferably, described power supply supplying module comprises boosting unit, Charge Management unit, discharge and recharge automatic control unit, oscillator unit and bearing interest benchmark generation unit, described boosting unit is connected with described OTG control unit and described oscillator unit respectively, described discharge and recharge automatic control unit is connected with described Charge Management unit and described boosting unit respectively, and described bearing interest benchmark generation unit is connected with described Charge Management unit and described boosting unit respectively.
Preferably, described Multifunctional portable power source comprises logic control element, electricity display and lighting control unit, temperature detecting unit, under-voltage locking unit and protected location further, and described logic control element shows with described Charge Management unit, described boosting unit, described discharge and recharge automatic control unit, described electricity respectively and is connected with lighting control unit, described temperature detecting unit, described under-voltage locking unit and described protected location; Described protected location is connected with described Charge Management unit and described boosting unit respectively.
Preferably, described Multifunctional portable power source comprises LED further, and the quantity of described LED is 5, all shows with described electricity and is connected with lighting control unit.
The beneficial effects of the utility model are:
Be different from the situation of prior art, Multifunctional portable power source of the present utility model has the OTG control unit of OTG function by arranging, not only have to the function of external mobile device emergent charging, can also by carrying out exchanges data between the OTG function of calling mobile phone and the external equipment be connected, the utility model not only can connect the external equipment of Micro-USB interface simultaneously, also can connect the external equipment of non-Micro-USB interface.In addition, the utility model is by when circuit design makes the OTG function opening mobile phone carry out exchanges data cleverly, can certainly directly be powered as external equipment by portable power source by multi-functional, solve conventional mobile phone OTG and transmit the too small problem of output current, there is the features such as structure is simple, easy to use, elegant in appearance and practical, effectively improve the operating efficiency of user.
Accompanying drawing explanation
Fig. 1 is the high-level schematic functional block diagram of the utility model Multifunctional portable power source one embodiment; And
Fig. 2 is the circuit connection diagram of OTG control unit in Fig. 1.
Embodiment
Consult Fig. 1 and Fig. 2, the utility model one embodiment provides a kind of Multifunctional portable power source, comprise OTG control unit 1 and power supply supplying module 2, OTG control unit 1 comprises the first USB port 101, second USB port 102 and charging-OTG state control circuit 103, charging-OTG state control circuit 103 is connected with the first USB port 101, second USB port 102 and power supply supplying module 2 respectively; Wherein, the first USB port 101 is the Micro USB male seat of 5pin, comprises OTG power supply output pin 101a, the first differential signal pin 101b, an ID pin one 01c and the first output pin 101d; Second USB port 102 is the USB female seat of 4pin, comprises OTG power supply input pin 102a, the second differential signal pin 102b and the second output pin 102c; Charging-OTG state control circuit 103 comprises state switch SW1, the first diode D1, the second diode D2, the 3rd diode D3 and pull down resistor R1; State switch SW1 is double-point double-throw switch, comprises the first fixed contact SW1a, the second fixed contact SW1b, the first moving contact SW1c, the second moving contact SW1d, the 3rd moving contact SW1e and the 4th moving contact SW1f; The positive pole of the first diode D1 is connected with the output of power supply supplying module 2, its negative pole is connected with the negative pole of the second diode D2, the positive pole of the 3rd diode D3 and OTG power supply input pin 102a respectively, the positive pole of the second diode D2 is all connected with OTG power supply output pin 101a with the negative pole of the 3rd diode D3, and the first differential signal pin 101b and the second differential signal pin 102b is connected with the first fixed contact SW1a of state switch SW1 and the first moving contact SW1c respectively; One ID pin one 01c is connected with the second fixed contact SW1b of state switch SW1 through pull down resistor R, and the first output pin 101d and the second output pin 102c is all connected with the 4th moving contact SW1f of state switch SW1 and the input of power supply supplying module 2.Wherein, the Standard resistance range of pull down resistor R1 is 1 Ω ~ 100 Ω.First diode D1 is boosting output isolating diode, and negative pole output voltage is+5.2V.
In the present embodiment, compatible USB-A and USB-B of the second USB port 102.
Power supply supplying module 2 comprises boosting unit 201, Charge Management unit 202, discharge and recharge automatic control unit 203, oscillator unit 204 and bearing interest benchmark generation unit 205, boosting unit 201 is connected with OTG control unit 1 and oscillator unit 204 respectively, discharge and recharge automatic control unit 203 is connected with Charge Management unit 202 and boosting unit 201 respectively, and bearing interest benchmark generation unit 205 is connected with Charge Management unit 202 and boosting unit 201 respectively.
Multifunctional portable power source comprises logic control element 3, electricity display and lighting control unit 4, temperature detecting unit 5, under-voltage locking unit 6 and protected location 7 further, and logic control element 3 shows with Charge Management unit 202, boosting unit 201, discharge and recharge automatic control unit 203, electricity respectively and is connected with lighting control unit 4, temperature detecting unit 5, under-voltage locking unit 6 and protected location 7; Protected location 7 is connected with Charge Management unit 202 and boosting unit 201 respectively.
Multifunctional portable power source comprises LED 8 further, and the quantity of LED 8 is 5, all shows with electricity and is connected with lighting control unit 4.
The course of work of the present utility model is:
When the first fixed contact SW1a of state switch SW1 and the second moving contact SW1d, the second fixed contact SW1b and the 4th moving contact SW1f connect respectively, whole control circuit is placed in OTG state, and the mobile phone being connected to the first USB port 101 and the external equipment being connected to the second USB port 102 carry out exchanges data.When the negative pole output voltage of the first diode D1 is higher than the negative pole output voltage of the second diode D2, the mobile phone with OTG function is outwards powered and is cut off, and external equipment uses the stand-by power supply from boosting unit 201; When negative pole output voltage lower than the second diode D2 of the negative pole output voltage of the first diode D1, the power supply that external equipment uses the mobile phone of OTG function to provide, is namely powered to OTG power supply input pin 102a by OTG power supply output pin 101a.
When the first fixed contact SW1a of state switch SW1 and the first moving contact SW1c, the second fixed contact SW1b and the 3rd moving contact SW1e connect respectively, whole control circuit is placed in charged state, second differential signal pin 102b short circuit of the second USB port 102, pull down resistor R1 is unsettled simultaneously, the mobile phone of OTG function cuts out OTG function, and is that the mobile phone be connected with the first USB port 101 charges by the 3rd diode D3.
Be different from the situation of prior art, Multifunctional portable power source of the present utility model has the OTG control unit of OTG function by arranging, not only have to the function of external mobile device emergent charging, can also by carrying out exchanges data between the OTG function of calling mobile phone and the external equipment be connected, the utility model not only can connect the external equipment of Micro-USB interface simultaneously, also can connect the external equipment of non-Micro-USB interface.In addition, the utility model is by when circuit design makes the OTG function opening mobile phone carry out exchanges data cleverly, can certainly directly be powered as external equipment by portable power source by multi-functional, solve conventional mobile phone OTG and transmit the too small problem of output current, there is the features such as structure is simple, easy to use, elegant in appearance and practical, effectively improve the operating efficiency of user.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (7)
1. a Multifunctional portable power source, it is characterized in that, comprise OTG control unit and power supply supplying module, described OTG control unit comprises the first USB port, the second USB port and charging-OTG state control circuit, and described charging-OTG state control circuit is connected with described first USB port, described second USB port and described power supply supplying module respectively;
Wherein, described first USB port is the Micro USB male seat of 5pin, comprises OTG power supply output pin, the first differential signal pin, an ID pin and the first output pin; Described second USB port is the USB female seat of 4pin, comprises OTG power supply input pin, the second differential signal pin and the second output pin; Described charging-OTG state control circuit comprises state switch, the first diode, the second diode, the 3rd diode and pull down resistor; Described state switch is double-point double-throw switch, comprises the first fixed contact, the second fixed contact, the first moving contact, the second moving contact, the 3rd moving contact and the 4th moving contact; The positive pole of described first diode is connected with the output of described power supply supplying module, its negative pole is connected with the negative pole of described second diode, the positive pole of described 3rd diode and described OTG power supply input pin respectively, the positive pole of described second diode is all connected with described OTG power supply output pin with the negative pole of described 3rd diode, and described first differential signal pin and described second differential signal pin are connected with described first fixed contact and described first moving contact respectively; A described ID pin is connected with described second fixed contact through described pull down resistor, and the first output pin and the second output pin are all connected with the input of described 4th moving contact and described power supply supplying module.
2. Multifunctional portable power source according to claim 1, is characterized in that, the Standard resistance range of described pull down resistor is 1 Ω ~ 100 Ω.
3. Multifunctional portable power source according to claim 1, is characterized in that, described first diode is boosting output isolating diode, and negative pole output voltage is+5.2V.
4. Multifunctional portable power source according to claim 1, is characterized in that, compatible USB-A and USB-B of described second USB port.
5. Multifunctional portable power source according to claim 1, it is characterized in that, described power supply supplying module comprises boosting unit, Charge Management unit, discharge and recharge automatic control unit, oscillator unit and bearing interest benchmark generation unit, described boosting unit is connected with described OTG control unit and described oscillator unit respectively, described discharge and recharge automatic control unit is connected with described Charge Management unit and described boosting unit respectively, and described bearing interest benchmark generation unit is connected with described Charge Management unit and described boosting unit respectively.
6. Multifunctional portable power source according to claim 5, it is characterized in that, described Multifunctional portable power source comprises logic control element, electricity display and lighting control unit, temperature detecting unit, under-voltage locking unit and protected location further, and described logic control element shows with described Charge Management unit, described boosting unit, described discharge and recharge automatic control unit, described electricity respectively and is connected with lighting control unit, described temperature detecting unit, described under-voltage locking unit and described protected location; Described protected location is connected with described Charge Management unit and described boosting unit respectively.
7. Multifunctional portable power source according to claim 6, is characterized in that, described Multifunctional portable power source comprises LED further, and the quantity of described LED is 5, all shows with described electricity and is connected with lighting control unit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420565453.4U CN204131172U (en) | 2014-09-29 | 2014-09-29 | Multifunctional portable power source |
| PCT/CN2014/095324 WO2016049990A1 (en) | 2014-09-29 | 2014-12-29 | Multifunctional portable power supply apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420565453.4U CN204131172U (en) | 2014-09-29 | 2014-09-29 | Multifunctional portable power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204131172U true CN204131172U (en) | 2015-01-28 |
Family
ID=52387493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420565453.4U Expired - Fee Related CN204131172U (en) | 2014-09-29 | 2014-09-29 | Multifunctional portable power source |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204131172U (en) |
| WO (1) | WO2016049990A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515115A (en) * | 2016-01-15 | 2016-04-20 | 广东欧珀移动通信有限公司 | Method of mobile terminal for charging other mobile terminals and charging device |
| CN110880805A (en) * | 2019-12-19 | 2020-03-13 | 维沃移动通信有限公司 | Charging device and control method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451693B (en) * | 2016-12-21 | 2024-04-12 | 杨继宝 | Treasured charges and OTG data line |
| CN106786902A (en) * | 2016-12-26 | 2017-05-31 | 北京小鸟看看科技有限公司 | A kind of power supply switch circuit and virtual reality device |
| CN114204652B (en) * | 2022-01-26 | 2024-04-16 | 深圳宏芯宇电子股份有限公司 | Power supply device and control method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101282045B (en) * | 2008-04-28 | 2010-08-11 | 炬力集成电路设计有限公司 | Battery charging apparatus as well as control method thereof |
| CN202798028U (en) * | 2012-05-31 | 2013-03-13 | 深圳市科讯实业有限公司 | Business portable power supply |
| CN203278279U (en) * | 2013-03-28 | 2013-11-06 | 方洪福 | Multifunctional mobile power supply |
| CN203312846U (en) * | 2013-05-16 | 2013-11-27 | 方洪福 | A multifunctional mobile power supply |
-
2014
- 2014-09-29 CN CN201420565453.4U patent/CN204131172U/en not_active Expired - Fee Related
- 2014-12-29 WO PCT/CN2014/095324 patent/WO2016049990A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515115A (en) * | 2016-01-15 | 2016-04-20 | 广东欧珀移动通信有限公司 | Method of mobile terminal for charging other mobile terminals and charging device |
| CN105515115B (en) * | 2016-01-15 | 2018-03-16 | 广东欧珀移动通信有限公司 | Mobile terminal is the method and charging device of other mobile terminals charging |
| CN110880805A (en) * | 2019-12-19 | 2020-03-13 | 维沃移动通信有限公司 | Charging device and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016049990A1 (en) | 2016-04-07 |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20200929 |