CN102891923A - Mobile terminal and power automatic switching method thereof - Google Patents
Mobile terminal and power automatic switching method thereof Download PDFInfo
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- CN102891923A CN102891923A CN2011102090028A CN201110209002A CN102891923A CN 102891923 A CN102891923 A CN 102891923A CN 2011102090028 A CN2011102090028 A CN 2011102090028A CN 201110209002 A CN201110209002 A CN 201110209002A CN 102891923 A CN102891923 A CN 102891923A
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- module
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- central controller
- portable terminal
- electrical source
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Telephone Function (AREA)
Abstract
The invention provides a mobile terminal. The mobile terminal comprises a central controller, a power manager which is connected with the central controller, a power switching module and a direct current boosting module, wherein the power manager detects whether a 5V charging module is plugged, and sends a detection result to the central controller; if the detection result indicates that the 5V charging module is plugged, the central controller starts the power switching module and switches the power switching module into the 5V charging module to charge a 5V electronic element; and if the detection result indicates that the 5V charging module is not plugged, the central controller starts the direct current boosting module, the direct current boosting module boosts 3.7V power to 5V power, and the power switching module is switched into the direct current boosting module for power supply. The invention also provides a power automatic switching method of the mobile terminal.
Description
Technical field
The present invention relates to moving communicating field, particularly portable terminal and power supply automatic switching method thereof.
Background technology
Along with the portable terminals such as mobile phone enter people's life widely, the function and application of portable terminal also constantly increases.The new function and application that increases is need to be at the inner corresponding various electronic components of increase of portable terminal.It is the electronic component of 5V that the electronic component that increases has a lot of supply power voltages.For example: photoflash lamp, press key lamp, part liquid crystal screen backlight lamp, the main equipment end of general serial data/address bus (USB OTG), digital high definition display interface (HDMI) etc.
The 5V supply power voltage of above-mentioned electronic component all is that the 3.7V from battery boosts.Therefore, after plugging the 5V charger to portable terminal, charger was depressurized to before this 3.7V and charged the battery, and used to the 5V electronic component from boosting to 5V again.Usually, the transfer ratio after boosting only has about 90%, and the transfer ratio after the step-down only has about 75%.
Therefore through above-mentioned first step-down, boost, electric energy has passed through twice conversion, not only causes energy loss again, the portable terminal heating; If radiating treatment is bad, also can cause the unstable of portable terminal.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of portable terminal and power supply automatic switching method thereof, to solve existing portable terminal through first step-down, boosts again, and electric energy has passed through twice conversion, not only causes energy loss, the portable terminal heating; If radiating treatment is bad, also can cause the unsettled problem of portable terminal.
In order to solve the problems of the technologies described above, the invention provides a kind of portable terminal, comprise central controller, the power supervisor that is connected with described central controller, electrical source exchange module, DC boosting module:
Whether described power supervisor detects the 5V charging module and inserts, and testing result sent to central controller, if being the 5V charging module, described testing result inserts, then central controller opening power handover module, and control electrical source exchange module switches to the 5V charging module and powers to the 5V electronic component; If testing result is then opened described DC boosting module for there not being the 5V charging module to insert, described DC boosting module is boosted 3.7 power supplys and is 5V, and the electrical source exchange module switches to the DC boosting module for power supply.
Further, described power supervisor also is connected with described 5V charging module and 3.7V power supply, and described DC boosting module also is connected with described 3.7V battery.
Further, described electrical source exchange module comprises: Enable Pin is used for the in running order or non operating state of control electrical source exchange module;
Further, described electrical source exchange module comprises: the first power input, be connected with described DC boosting module, and be used for receiving the first voltage; The second source input is connected with described 5V charging module, is used for receiving second voltage; Power output end is connected with described the first power input and second source input, is used for exporting described the first voltage or second voltage;
Further, described electrical source exchange module comprises: power supply input channel selecting side is connected with described central controller; Logic control module is connected with described power supply input channel selecting side.
Further, described electrical source exchange module comprises: the first handover module is connected with described first input end; The second handover module is connected with described the second input; Described central controller is by described power supply input channel selecting side, and to described Logic control module input control signal, described Logic control module is opened described the first handover module according to described control signal, and described power output end is exported described the first voltage; Perhaps Logic control module is opened the second handover module according to control signal, and described power output end is exported described second voltage.
The present invention also provides a kind of portable terminal power supply automatic switching method, and described method comprises:
Whether described power supervisor detects the 5V charging module and inserts, and testing result is sent to described central controller;
Insert if described testing result is described 5V charging module, then described central controller is opened described electrical source exchange module, and controls described electrical source exchange module and switch to described 5V charging module and power to the 5V electronic component;
If testing result is then opened described DC boosting module for there not being described 5V charging module to insert, described DC boosting module is boosted 3.7 power supplys and is 5V, and described electrical source exchange module switches to described DC boosting module for power supply.
Further, described central controller is by described power supply input channel selecting side, to described Logic control module input control signal, described Logic control module is opened described the first handover module according to described control signal, and described power output end is exported described the first voltage; Perhaps Logic control module is opened the second handover module according to control signal, and described power output end is exported described second voltage.
Such scheme can solve existing portable terminal through first step-down, boosts again, and electric energy has passed through twice conversion, not only causes energy loss, the portable terminal heating; If radiating treatment is bad, also can cause the unsettled problem of portable terminal.
Description of drawings
Figure 1 shows that the structure chart of portable terminal of the present invention;
Figure 2 shows that the structure chart of electrical source exchange module among Fig. 1;
Figure 3 shows that the flow chart of portable terminal power supply automatic switching method.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, hereinafter in connection with accompanying drawing embodiments of the invention are elaborated.Need to prove that in the situation of not conflicting, the embodiment among the application and the feature among the embodiment be combination in any mutually.
Among the present invention, when plugging the 5V charging module, automatically the power supply of 5V electronic component in the portable terminal being boosted by battery switches to charger 5V and directly uses, thereby improves battery availability factor, and energy-conserving and environment-protective reduce the portable terminal heating, improve mobile phone stability.
Figure 1 shows that the structure chart of portable terminal of the present invention.
What need specification is the module relevant with the present invention that only be shown in Figure 1, and other module is not shown in Fig. 1.
Portable terminal of the present invention comprises central controller, the power supervisor that is connected with described central controller, electrical source exchange module, DC boosting module.Whether described power supervisor detects the 5V charging module and inserts, and testing result sent to central controller, if being the 5V charging module, described testing result inserts, then central controller opening power handover module, and control electrical source exchange module switches to the 5V charging module and powers to the 5V electronic component; If testing result is then opened described DC boosting module for there not being the 5V charging module to insert, described DC boosting module is boosted 3.7 power supplys and is 5V, and the electrical source exchange module switches to the DC boosting module for power supply.
Further, described power supervisor also is connected with described 5V charging module and 3.7V power supply, and described DC boosting module also is connected with described 3.7V battery.
Figure 2 shows that the structure chart of electrical source exchange module among Fig. 1.
Described electrical source exchange module comprises: Enable Pin, the first power input, second source input, power supply input channel selecting side, the first handover module, the second handover module.
Enable Pin is used for the in running order or non operating state of control electrical source exchange module;
Further, the first power input is connected with described DC boosting module, is used for receiving the first voltage; The second source input is connected with described 5V charging module, is used for receiving second voltage; Power output end is connected with described the first power input and second source input, is used for exporting described the first voltage or second voltage;
Further, power supply input channel selecting side is connected with described central controller; Logic control module is connected with described power supply input channel selecting side.
Further, the first handover module is connected with described first input end; The second handover module is connected with described the second input;
Described central controller is by described power supply input channel selecting side, and to described Logic control module input control signal, described Logic control module is opened described the first handover module according to described control signal, and described power output end is exported described the first voltage; Perhaps Logic control module is opened the second handover module according to control signal, and described power output end is exported described second voltage.
Figure 3 shows that the flow chart of portable terminal power supply automatic switching method.
Portable terminal power supply automatic switching method of the present invention comprises:
Whether described power supervisor detects the 5V charging module and inserts, and testing result is sent to described central controller;
Insert if described testing result is described 5V charging module, then described central controller is opened described electrical source exchange module, and controls described electrical source exchange module and switch to described 5V charging module and power to the 5V electronic component;
If testing result is then opened described DC boosting module for there not being described 5V charging module to insert, described DC boosting module is boosted 3.7 power supplys and is 5V, and described electrical source exchange module switches to described DC boosting module for power supply.
Further, described central controller is by described power supply input channel selecting side, to described Logic control module input control signal, described Logic control module is opened described the first handover module according to described control signal, and described power output end is exported described the first voltage; Perhaps Logic control module is opened the second handover module according to control signal, and described power output end is exported described second voltage.
Such scheme can solve existing portable terminal through first step-down, boosts again, and electric energy has passed through twice conversion, not only causes energy loss, the portable terminal heating; If radiating treatment is bad, also can cause the unsettled problem of portable terminal.
One of ordinary skill in the art will appreciate that all or part of step in the said method can come the instruction related hardware to finish by program, described program can be stored in the computer-readable recording medium, such as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment can realize with one or more integrated circuits that also correspondingly, each the module/unit in above-described embodiment can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a portable terminal is characterized in that, comprises central controller, the power supervisor that is connected with described central controller, electrical source exchange module, DC boosting module:
Whether described power supervisor detects the 5V charging module and inserts, and testing result sent to central controller, if being the 5V charging module, described testing result inserts, then central controller opening power handover module, and control electrical source exchange module switches to the 5V charging module and powers to the 5V electronic component; If testing result is then opened described DC boosting module for there not being the 5V charging module to insert, described DC boosting module is boosted 3.7 power supplys and is 5V, and the electrical source exchange module switches to the DC boosting module for power supply.
2. portable terminal as claimed in claim 1 is characterized in that, described power supervisor also is connected with described 5V charging module and 3.7V power supply, and described DC boosting module also is connected with described 3.7V battery.
3. portable terminal as claimed in claim 1 is characterized in that, described electrical source exchange module comprises:
Enable Pin is used for the in running order or non operating state of control electrical source exchange module.
4. portable terminal as claimed in claim 3 is characterized in that, described electrical source exchange module comprises:
The first power input is connected with described DC boosting module, is used for receiving the first voltage;
The second source input is connected with described 5V charging module, is used for receiving second voltage;
Power output end is connected with described the first power input and second source input, is used for exporting described the first voltage or second voltage.
5. portable terminal as claimed in claim 4 is characterized in that, described electrical source exchange module comprises:
Power supply input channel selecting side is connected with described central controller;
Logic control module is connected with described power supply input channel selecting side.
6. portable terminal as claimed in claim 5 is characterized in that, described electrical source exchange module comprises:
The first handover module is connected with described first input end;
The second handover module is connected with described the second input;
Described central controller is by described power supply input channel selecting side, and to described Logic control module input control signal, described Logic control module is opened described the first handover module according to described control signal, and described power output end is exported described the first voltage; Perhaps Logic control module is opened the second handover module according to control signal, and described power output end is exported described second voltage.
7. a portable terminal power supply automatic switching method is applied to each described portable terminal of claim 1 to 6, it is characterized in that described method comprises:
Whether described power supervisor detects the 5V charging module and inserts, and testing result is sent to described central controller;
Insert if described testing result is described 5V charging module, then described central controller is opened described electrical source exchange module, and controls described electrical source exchange module and switch to described 5V charging module and power to the 5V electronic component;
If testing result is then opened described DC boosting module for there not being described 5V charging module to insert, described DC boosting module is boosted 3.7 power supplys and is 5V, and described electrical source exchange module switches to described DC boosting module for power supply.
8. portable terminal power supply automatic switching method as claimed in claim 7, it is characterized in that, described central controller is by described power supply input channel selecting side, to described Logic control module input control signal, described Logic control module is opened described the first handover module according to described control signal, and described power output end is exported described the first voltage; Perhaps Logic control module is opened the second handover module according to control signal, and described power output end is exported described second voltage.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102090028A CN102891923A (en) | 2011-07-25 | 2011-07-25 | Mobile terminal and power automatic switching method thereof |
| PCT/CN2012/073451 WO2013013517A1 (en) | 2011-07-25 | 2012-04-01 | Mobile terminal and method for switching power automatically thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102090028A CN102891923A (en) | 2011-07-25 | 2011-07-25 | Mobile terminal and power automatic switching method thereof |
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| CN102891923A true CN102891923A (en) | 2013-01-23 |
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| CN2011102090028A Pending CN102891923A (en) | 2011-07-25 | 2011-07-25 | Mobile terminal and power automatic switching method thereof |
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| WO (1) | WO2013013517A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381505A (en) * | 2021-08-13 | 2021-09-10 | 深圳市爱图仕影像器材有限公司 | Power circuit and power supply method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101651359A (en) * | 2009-09-10 | 2010-02-17 | 惠州Tcl移动通信有限公司 | Power supply unit and power supply switching method of mobile terminal |
| CN101902043A (en) * | 2010-07-23 | 2010-12-01 | 中兴通讯股份有限公司 | Charging circuit management device and wireless terminal |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201550170U (en) * | 2009-09-18 | 2010-08-11 | 惠州Tcl移动通信有限公司 | USB/charger insert recognition device of mobile terminal |
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2011
- 2011-07-25 CN CN2011102090028A patent/CN102891923A/en active Pending
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- 2012-04-01 WO PCT/CN2012/073451 patent/WO2013013517A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101651359A (en) * | 2009-09-10 | 2010-02-17 | 惠州Tcl移动通信有限公司 | Power supply unit and power supply switching method of mobile terminal |
| CN101902043A (en) * | 2010-07-23 | 2010-12-01 | 中兴通讯股份有限公司 | Charging circuit management device and wireless terminal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381505A (en) * | 2021-08-13 | 2021-09-10 | 深圳市爱图仕影像器材有限公司 | Power circuit and power supply method thereof |
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| WO2013013517A1 (en) | 2013-01-31 |
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