CN102522789A - Mobile terminal supplied power based on dry cells and power supply method thereof - Google Patents
Mobile terminal supplied power based on dry cells and power supply method thereof Download PDFInfo
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- CN102522789A CN102522789A CN2011103962508A CN201110396250A CN102522789A CN 102522789 A CN102522789 A CN 102522789A CN 2011103962508 A CN2011103962508 A CN 2011103962508A CN 201110396250 A CN201110396250 A CN 201110396250A CN 102522789 A CN102522789 A CN 102522789A
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- portable terminal
- dry cell
- pressure converter
- power supply
- electric pressure
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Abstract
The invention discloses a mobile terminal supplied power based on dry cells and a power supply method thereof. The mobile terminal comprises a dry cell groove and a voltage converter connected with the dry cell grove and further comprises a power supply management chip, wherein the dry cell groove is used for placing dry cells, the voltage converter is used for converting voltage output by the dry cell groove containing the dry cells into working voltage matched with the mobile terminal, and the power supply management chip is connected with the voltage converter to be used for supplying the working voltage converted by the voltage converter to the mobile terminal. When the mobile terminal is used, a special charger is not required. When a user meets emergency and needs communicating, the dry cells can be arranged in the dry cell groove to enable the mobile terminal to be used directly. Therefore, the user does not need waiting, and the usage of users is facilitated.
Description
[technical field]
The present invention relates to technical field of mobile terminals, relate in particular to a kind of portable terminal and method of supplying power to thereof based on dry cell power supply.
[background technology]
Along with constantly popularizing of portable terminal, the user requires increasingly highly to mobile terminal function, such as portable terminal is a mobile phone.
In the prior art; Portable terminal generally adopts the form of built-in lithium battery to realize power supply, when the portable terminal electric weight is not enough, charges through special charger; For example through supply socket perhaps the USB through computer (Universal Serial BUS, USB) interface charges.
But no matter be to charge through supply socket, still the USB interface through computer charges, and all needs the support of electric power system.When mobile phone users is in other situation, such as off-position, perhaps be in remote mountain area, the perhaps mountain-climbing way of exploring, can't to electric weight not enough portable terminal charge owing to there is not the support of electric power system this moment.
Certainly the problems referred to above can be resolved through carrying external charger.When the inner lithium battery quantity not sufficient of portable terminal, portable terminal is charged after can dry cell being placed charger.For example dry cell is No. 5 alkaline dry batteries or No. 7 alkaline dry batteries.
See also Fig. 1, the structure principle chart of Fig. 1 for through external charger portable terminal being charged in the prior art.
Wherein, Charger 10 connects portable terminal 20; Charger 10 comprises the battery case 11 and boost converter 12 that is used to place dry cell, comprises also being used for the constant electric capacity of holding current 13 that portable terminal 20 comprises charge management module 21, power management chip 22 and battery 23; Also comprise a plurality of operational modules, such as BBP, memory (figure indicates) or the like.
When 10 pairs of portable terminals 20 of charger charge; Dry cell (such as alkaline dry battery) is arranged in the battery case 11 of charger 10; Export the charge management module 21 of portable terminal 20 after the voltage that boost converter 12 in the charger 10 is exported battery case 11 promotes to, the battery 23 of 21 pairs of portable terminals 20 of charge management module charges.After battery 23 had had enough electric weight, battery 23 output voltages were to power management chip 22, and 22 pairs of portable terminals 20 of power management chip are supplied power so that each operational module operation.
Obviously, because charger 10 is placed on portable terminal 20, and volume is bigger, and inconvenient user carries; And when charging through 10 pairs of portable terminals 20 of charger; Owing to need at first to charge through 21 pairs of batteries 23 of charge management module, ability output voltage to power management chip 22 after battery 23 has had enough electric weight causes portable terminal 20 can not obtain power supply timely; When the user runs into the communication of emergency urgent need; Often need wait for the long period, influence user's use, reduce the experience sense of user portable terminal 20.
[summary of the invention]
One object of the present invention is to provide a kind of portable terminal based on dry cell power supply; All external charger is inconvenient to carry in solving prior art; And when portable terminal being charged,, cause portable terminal can not obtain power supply timely owing at first need charge to battery through charge management module through external charger; When the user runs into the communication of emergency urgent need, often need wait for the technical problem of long period.
For solving the problems of the technologies described above, the present invention has constructed a kind of portable terminal based on dry cell power supply, and said portable terminal comprises dry cell groove and the electric pressure converter that is connected with said dry cell groove, also comprises power management chip;
Said dry cell groove is used to place dry cell, and the voltage transitions that said electric pressure converter is used for the dry cell groove behind the internal battery is exported is and the suitable operating voltage of said portable terminal;
Said power management chip connects said electric pressure converter, is used for the operating voltage after the said electric pressure converter conversion is offered said portable terminal.
In the portable terminal based on dry cell power supply of the present invention, said portable terminal also comprises electric capacity, and an end of said electric capacity connects said electric pressure converter and said power management chip, other end ground connection;
Said electric capacity is used for when said portable terminal has the demand of transient high-current, provides said portable terminal needed transient high-current.
In the portable terminal based on dry cell power supply of the present invention, the capacitance of said electric capacity is 2000 microfarads.
In the portable terminal based on dry cell power supply of the present invention, said electric pressure converter is the DC boosting electric pressure converter.
In the portable terminal based on dry cell power supply of the present invention, said dry cell groove is provided with two grooves that are used to place dry cell, and these two grooves are arranged with series system.
Another object of the present invention is to provide a kind of method of supplying power to of the portable terminal based on dry cell power supply; All external charger is inconvenient to carry in solving prior art; And when portable terminal being charged,, cause portable terminal can not obtain power supply timely owing at first need charge to battery through charge management module through external charger; When the user runs into the communication of emergency urgent need, often need wait for the technical problem of long period.
For solving the problems of the technologies described above, the present invention has constructed a kind of method of supplying power to of the portable terminal based on dry cell power supply, said method comprising the steps of:
Portable terminal is provided, and said portable terminal comprises dry cell groove, electric pressure converter and power management chip;
The voltage transitions of the dry cell groove output of said electric pressure converter after with internal battery is and the suitable operating voltage of said portable terminal;
Said power management chip directly offers said portable terminal with the operating voltage after the said electric pressure converter conversion.
In the method for supplying power to of the portable terminal based on dry cell power supply of the present invention, said portable terminal also comprises electric capacity, and an end of said electric capacity connects said electric pressure converter and said power management chip, other end ground connection; When said power management chip directly offered said portable terminal with the operating voltage after the said electric pressure converter conversion, when said portable terminal had the demand of transient high-current, said method was further comprising the steps of:
Said electric capacity provides said portable terminal needed transient high-current.
In the method for supplying power to of the portable terminal based on dry cell power supply of the present invention, the capacitance of said electric capacity is 2000 microfarads.
In the method for supplying power to of the portable terminal based on dry cell power supply of the present invention, said electric pressure converter is the DC boosting electric pressure converter.
In the method for supplying power to of the portable terminal based on dry cell power supply of the present invention, said dry cell groove is provided with two grooves that are used to place dry cell, and these two grooves are arranged with series system.
The present invention is with respect to prior art; Through the dry cell groove is set at portable terminal; Output voltage through the dry cell groove of electric pressure converter after with internal battery convert into the adaptive operating voltage of said portable terminal after, directly export power management chip to, power management chip offers portable terminal work with this operating voltage and uses; Not only make things convenient for the user to carry; And when the user runs into the communication of emergency urgent need, behind the built-in dry cell of portable terminal, can communicate timely, need not wait for.
For letting the foregoing of the present invention can be more obviously understandable, hereinafter is special lifts preferred embodiment, and cooperates appended graphicly, elaborates as follows:
[description of drawings]
The theory diagram that Fig. 1 charges to mobile phone for external charger in the prior art;
Fig. 2 A-2B is the preferred embodiment back appearance figure that the present invention is based on the portable terminal of dry cell power supply;
Fig. 3 is the theory diagram of preferred embodiment that the present invention is based on the portable terminal of dry cell power supply;
Fig. 4 among the present invention based on the schematic flow sheet of the method for supplying power to of the portable terminal of dry cell power supply.
[embodiment]
Below the explanation of each embodiment be with reference to additional graphic, can be in order to illustration the present invention in order to the specific embodiment of implementing.
Fig. 2 A is the back appearance figure of first preferred embodiment that the present invention is based on the portable terminal of dry cell power supply; Said portable terminal 30 is provided with a dry cell groove 31; This dry cell groove 31 be provided with one be used to place dry cell groove 311; Place a dry cell 32 in the said portable terminal 30, this dry cell 32 is arranged in the groove 311 of said dry cell groove 31.Wherein, this dry cell is an alkaline dry battery, for example No. 5 dry cells (AA) or No. 7 dry cells (AAA).
Fig. 2 B is the back appearance figure of second preferred embodiment that the present invention is based on the portable terminal of dry cell power supply.Said dry cell groove 31 is provided with two grooves 312 that are used to place dry cell, and these two grooves 312 are arranged with series system.Place two dry cells 33 in the said portable terminal 30, these two dry cells 33 are arranged in two grooves 312 of 31 series connection in the said dry cell groove.Said dry cell 33 is an alkaline dry battery, for example No. 5 dry cells (AA) or No. 7 dry cells (AAA).
In the practical implementation process, said dry cell groove 31 can be arranged at the positive or back side of said portable terminal 30, as long as make things convenient for the user installation dry cell.
See also Fig. 3, Fig. 3 is the principle framework figure of preferred embodiment that the present invention is based on the portable terminal of dry cell power supply.
Said portable terminal 30 comprises electric pressure converter 42, power management chip 43, electric capacity 44, BBP 45, memory 46, RF transceiver 47, power amplifier 48 and duplexer 49.
Wherein, said electric pressure converter 42 connects said dry cell groove 31 and said power management chip 43; One end of said electric capacity 44 connects said electric pressure converter 42 and said power management chip 43, other end ground connection; Said BBP 45, memory 46, RF transceiver 47, power amplifier 48 and duplexer 49 all connect said power management chip 43.
In the practical implementation process, said electric pressure converter 42 be used for the voltage transitions of the dry cell groove of built-in dry cell 31 outputs for the suitable operating voltage of said portable terminal 30, preferred, this electric pressure converter 42 is the DC boosting electric pressure converter.
In the practical implementation process; Said power management chip 43 is used for the operating voltage of said electric pressure converter 42 conversions is offered said portable terminal 30, for example for said BBP 45, memory 46, RF transceiver 47 and power amplifier 48 power supply is provided.
Wherein, Said BBP 45 is used to realize the control to said portable terminal 30; Said memory 46 is used to store program and the data of said portable terminal 30 etc., and said RF transceiver 47, power amplifier 48 are used to realize mobile communication with duplexer 49; Seeing that the operation principle of above-mentioned each module is a mature technology, no longer detail here.
In the practical implementation process; Said electric capacity 44 is a large bulk capacitance; Said electric capacity 44 plays the accumulation of energy effect, when said portable terminal 30 has the demand of transient high-current, and the transient high-current that said electric capacity 44 can provide said portable terminal 30 to need rapidly; So that said power management chip 43 can be supplied power to said portable terminal 30 stably, prevent that instantaneous large-current from causing damage to the hardware of said portable terminal 30.Wherein, said electric capacity 44 capacitances are preferably 2000 microfarads (UF), also are not limited to 2000 microfarads certainly, and its capacitance can not enumerated greater than perhaps being slightly smaller than 2000 microfarads here one by one yet.
Preferably, said portable terminal 30 is a mobile phone, can certainly be other terminal equipment, and for example hand-held notebook computer etc. are not enumerated here one by one.
The operation principle of portable terminal first preferred embodiment based on dry battery charge of the present invention is:
Please consult Fig. 2 A and Fig. 2 B in the lump, not enough at said portable terminal 30 electric weight, and when not having electric power system to charge, the user puts into No. 5 (AA) dry cells 32 of a joint groove 311 of said dry cell groove 31.Wherein, the output voltage range of these No. 5 dry cells 32 is 1.5V～1.8V.
Said electric pressure converter 42 is with the processing of boosting of the voltage of said battery case 31; Make the voltage of said electric pressure converter 42 outputs reach 4.2V at least; And the immediate current of output reaches 2A, the instantaneous large-current that has needed when having guaranteed 30 conversations of said portable terminal.
The capacitance of said electric capacity 44 is preferably 2000 microfarads; When said portable terminal 30 has the demand of transient high-current; The transient high-current that said electric capacity 44 can provide said portable terminal 30 to need rapidly prevents that instantaneous large-current from causing damage to the hardware of said portable terminal 30.
The voltage that said power management chip 43 is exported said electric pressure converter 42 offers other functional module of said portable terminal 30, for example said BBP 45 and said memory 46 etc.Wherein, the operating voltage range of said power management chip 43 is preferably 2.8V～4.2V, to meet the scope of said portable terminal 30 normal working voltages.
The operation principle of portable terminal second preferred embodiment based on dry battery charge of the present invention is:
Please consult Fig. 2 B and Fig. 3 in the lump, not enough at said portable terminal 30 electric weight, and when not having electric power system to charge, the user puts into No. 5 (AA) dry cells 33 of two joints the groove 112 of said dry cell groove 31.Wherein, the ceiling voltage scope after 33 series connection of No. 5 (AA) dry cells of two joints is 3～3.6V.
Said electric pressure converter 42 becomes the operating voltage adaptive with said portable terminal 30 with the voltage transitions of said dry cell groove 31 outputs.Wherein, The voltage of the two joint dry cells 33 that the user puts into is the input voltage of said electric pressure converter 42; After processing that this input voltage is boosted; The voltage of said electric pressure converter 42 outputs reaches 4.2V at least, and the immediate current of output reaches 2A, the instantaneous large-current that has needed when having guaranteed said portable terminal 30 conversations.
The capacitance of said electric capacity 44 is preferably 2000 microfarads, when said portable terminal 30 has the demand of transient high-current, and the transient high-current that said electric capacity 44 can provide said portable terminal 30 to need rapidly.
The voltage that said power management chip 43 is exported said electric pressure converter 42 offers other functional module of said portable terminal 30, for example said BBP 45 and said memory 46 etc.Wherein, the operating voltage range of said power management chip 43 is preferably 2.8V～4.2V, to meet the scope of said portable terminal 30 normal working voltages.
Fig. 4 among the present invention based on the schematic flow sheet of the method for supplying power to of the portable terminal of dry cell power supply.
In step S 401, portable terminal is provided, said portable terminal comprises dry cell groove, electric pressure converter, electric capacity and power management chip.
In the practical implementation process, said dry cell groove is provided with one or two grooves, if when two grooves are set, these two grooves are arranged with series system, specifically see also preceding text, repeat no more here.
In step S402, the voltage transitions of the dry cell groove output of said electric pressure converter after with internal battery is and the suitable operating voltage of said portable terminal.
In step S403, said power management chip directly offers said portable terminal with the operating voltage of said electric pressure converter conversion.
Wherein, an end of said electric capacity connects said electric pressure converter and said power management chip, other end ground connection.Said electric capacity plays the accumulation of energy effect; When said portable terminal has the demand of transient high-current; The transient high-current that said electric capacity can provide said portable terminal to need rapidly; So that said power management module can be supplied power to said portable terminal stably, prevent that instantaneous large-current from causing damage to the hardware of said portable terminal.Wherein, said electric capacity capacitance is preferably 2000 microfarads (UF), also is not limited to 2000 microfarads certainly, and its capacitance can not enumerated greater than perhaps being slightly smaller than 2000 microfarads here one by one.
Preferably, said electric pressure converter is the DC boosting electric pressure converter, can certainly be the electric pressure converter of other form, as long as can the voltage of dry cell groove output be boosted, gets final product so that portable terminal is supplied power, and does not enumerate one by one here.
The present invention is with respect to prior art; Through the dry cell groove is set at portable terminal; Output voltage through the dry cell groove of electric pressure converter after with internal battery convert into the adaptive operating voltage of said portable terminal after, directly export power management chip to, power management chip offers portable terminal work with this operating voltage and uses; Not only make things convenient for the user to carry; And when the user runs into the communication of emergency urgent need, behind the built-in dry cell of portable terminal, can communicate timely, need not wait for.
In sum; Though the present invention discloses as above with preferred embodiment; But above-mentioned preferred embodiment is not that those of ordinary skill in the art is not breaking away from the spirit and scope of the present invention in order to restriction the present invention; All can do various changes and retouching, so protection scope of the present invention is as the criterion with the scope that claim defines.
Claims (10)
1. portable terminal based on dry cell power supply, said portable terminal comprises dry cell groove and the electric pressure converter that is connected with said dry cell groove, also comprises power management chip;
Said dry cell groove is used to place dry cell, and the voltage transitions that said electric pressure converter is used for the dry cell groove behind the internal battery is exported is and the suitable operating voltage of said portable terminal; It is characterized in that:
Said power management chip connects said electric pressure converter, is used for the operating voltage after the said electric pressure converter conversion is offered said portable terminal.
2. the portable terminal based on dry cell power supply according to claim 1 is characterized in that said portable terminal also comprises electric capacity, and an end of said electric capacity connects said electric pressure converter and said power management chip, other end ground connection;
Said electric capacity is used for when said portable terminal has the demand of transient high-current, provides said portable terminal needed transient high-current.
3. the portable terminal based on dry cell power supply according to claim 2 is characterized in that, the capacitance of said electric capacity is 2000 microfarads.
4. the portable terminal based on dry cell power supply according to claim 1 is characterized in that, said electric pressure converter is the DC boosting electric pressure converter.
5. the portable terminal based on dry cell power supply according to claim 1 is characterized in that, said dry cell groove is provided with two grooves that are used to place dry cell, and these two grooves are arranged with series system.
6. the method for supplying power to based on the portable terminal of dry cell power supply is characterized in that, said method comprising the steps of:
Portable terminal is provided, and said portable terminal comprises dry cell groove, electric pressure converter and power management chip;
The voltage transitions of the dry cell groove output of said electric pressure converter after with internal battery is and the suitable operating voltage of said portable terminal;
Said power management chip directly offers said portable terminal with the operating voltage after the said electric pressure converter conversion.
7. the method for supplying power to of the portable terminal based on dry cell power supply according to claim 6 is characterized in that said portable terminal also comprises electric capacity, and an end of said electric capacity connects said electric pressure converter and said power management chip, other end ground connection; When said power management chip directly offered said portable terminal with the operating voltage after the said electric pressure converter conversion, when said portable terminal had the demand of transient high-current, said method was further comprising the steps of:
Said electric capacity provides said portable terminal needed transient high-current.
8. the method for supplying power to of the portable terminal based on dry cell power supply according to claim 7 is characterized in that the capacitance of said electric capacity is 2000 microfarads.
9. the method for supplying power to of the portable terminal based on dry cell power supply according to claim 6 is characterized in that said electric pressure converter is the DC boosting electric pressure converter.
10. the method for supplying power to of the portable terminal based on dry cell power supply according to claim 6 is characterized in that said dry cell groove is provided with two grooves that are used to place dry cell, and these two grooves are arranged with series system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103962508A CN102522789A (en) | 2011-12-02 | 2011-12-02 | Mobile terminal supplied power based on dry cells and power supply method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103962508A CN102522789A (en) | 2011-12-02 | 2011-12-02 | Mobile terminal supplied power based on dry cells and power supply method thereof |
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| CN102522789A true CN102522789A (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103962508A Pending CN102522789A (en) | 2011-12-02 | 2011-12-02 | Mobile terminal supplied power based on dry cells and power supply method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106941390A (en) * | 2017-05-16 | 2017-07-11 | 南京铁道职业技术学院 | A kind of closely digital data transmission interference preventer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7183748B1 (en) * | 2000-02-07 | 2007-02-27 | Fujitsu Limited | Electric charger and power supply device for portable terminal |
| US7928696B2 (en) * | 2007-05-29 | 2011-04-19 | Lenovo (Singapore) Pte. Ltd. | Method for ensuring safe use of a battery pack after impact |
| CN102074975A (en) * | 2009-11-23 | 2011-05-25 | 英业达股份有限公司 | Electronic device and method for safely changing battery thereof |
-
2011
- 2011-12-02 CN CN2011103962508A patent/CN102522789A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7183748B1 (en) * | 2000-02-07 | 2007-02-27 | Fujitsu Limited | Electric charger and power supply device for portable terminal |
| US7928696B2 (en) * | 2007-05-29 | 2011-04-19 | Lenovo (Singapore) Pte. Ltd. | Method for ensuring safe use of a battery pack after impact |
| CN102074975A (en) * | 2009-11-23 | 2011-05-25 | 英业达股份有限公司 | Electronic device and method for safely changing battery thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106941390A (en) * | 2017-05-16 | 2017-07-11 | 南京铁道职业技术学院 | A kind of closely digital data transmission interference preventer |
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Application publication date: 20120627 |