CN102545296A - Electronic device charging system and method - Google Patents
Electronic device charging system and method Download PDFInfo
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- CN102545296A CN102545296A CN2010106178936A CN201010617893A CN102545296A CN 102545296 A CN102545296 A CN 102545296A CN 2010106178936 A CN2010106178936 A CN 2010106178936A CN 201010617893 A CN201010617893 A CN 201010617893A CN 102545296 A CN102545296 A CN 102545296A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention relates to an electronic device charging method; an electronic device is connected to a computer through a universal serial bus (USB) interface; the method comprises the following steps that: when the difference between the current voltage value of a battery of the electronic device and a saturation voltage value exceeds a set value, the battery is charged with a first current value; the current voltage value of the USB interface is detected; whether the current voltage value of the USB interface is lower than a threshold or not is judged; when the current voltage value of the USB interface is not lower than the threshold, the battery is charged with a second current value; and when the current voltage value of the USB interface is lower than the threshold but not lower than the power consumption current value of the battery, the charging current value of the battery is reduced. The invention also provides an electronic device charging system which can effectively charge the electronic device.
Description
Technical field
The present invention relates to a kind of charging system and method, relate in particular to a kind of charge electronic devices system and method.
Background technology
When electronic installation was connected to computer, the USB interface of this electronic installation had two kinds of functions usually: data transmit and reach charge electronic devices.For electronic installation is carried out quick charge, need to use bigger electric current usually.Yet, in actual mechanical process,, tend to cause computer can't discern this electronic installation because charging current is excessive.
Summary of the invention
In view of above content, be necessary to provide a kind of charge electronic devices system, can effectively charge to electronic installation.
Also be necessary to provide a kind of charge electronic devices method, can effectively charge electronic installation.
A kind of charge electronic devices system; This electronic installation is connected in computer through USB interface; This system comprises: control module is used for when the current magnitude of voltage of the battery of electronic installation and the difference between the saturation voltage value surpass a set point, with first current value this battery being charged; Detecting module is used to detect the current magnitude of voltage and the current current value of USB interface; Judge module is used to judge whether the current magnitude of voltage of this USB interface is lower than a boundary value; Said control module also is used for when the current magnitude of voltage of USB interface is not less than this boundary value, with second current value this battery being charged; And above-mentioned control module, the current magnitude of voltage that also is used for when USB interface is lower than this boundary value, and the current current value of this battery reduces the charging current value of this battery when being not less than the power consumption current value of battery.
A kind of charge electronic devices method; This electronic installation is connected in computer through USB interface; This method comprises the steps: when the current magnitude of voltage of the battery of electronic installation and the difference between the saturation voltage value surpass a set point, with first current value this battery to be charged; The current magnitude of voltage of detecting USB interface; Whether the current magnitude of voltage of judging this USB interface is lower than a boundary value; When the current magnitude of voltage of USB interface is not less than this boundary value, this battery is charged with second electric current; And be lower than this boundary value when the current magnitude of voltage of USB interface, and the current current value of this battery reduces the charging current value of this battery when being not less than the power consumption current value of battery.
Compared to prior art, said charge electronic devices system and method through the control to the electric current and voltage of electronic installation USB interface, charges to electronic installation effectively.
Description of drawings
Fig. 1 is the running environment figure of charge electronic devices of the present invention system preferred embodiment.
Fig. 2 is the functional block diagram of charge electronic devices system 10 among Fig. 1.
Fig. 3 is the operation process chart of charge electronic devices method of the present invention preferred embodiment.
The main element symbol description
| Electronic installation | 1 |
| Computer | 2 |
| The charge electronic devices system | 10 |
| USB interface | 11 |
| Battery | 12 |
| Detecting module | 100 |
| Judge module | 101 |
| Control module | 102 |
Embodiment
As shown in Figure 1, be the running environment figure of charge electronic devices of the present invention system preferred embodiment.This charge electronic devices system 10 runs in the electronic installation 1, and in the present embodiment, this electronic installation 1 can be mobile phone, MP3 music player etc.This electronic installation 1 comprises usb 11 and battery 12, and this usb 11 is used to connect computer 2, and this computer 2 is used for battery 12 chargings to electronic installation 1.Said charge electronic devices system 10 is used to detect the voltage and current of said usb 11, and controls the charging current input of this electronic installation 1.
As shown in Figure 2, be the functional block diagram of charge electronic devices system 10 among Fig. 1.Said charge electronic devices system 10 comprises: detecting module 100, judge module 101 and control module 102.Said module is the software program section with specific function; This software is stored in computer-readable recording medium or other memory device; Can be carried out by the calculation element that computer or other comprise processor, thereby accomplish the work flow that electronic installation 1 is charged among the present invention.
Detecting module 100 is used to detect the current magnitude of voltage of battery 12 and the current magnitude of voltage and the current current value of detecting usb 11.
Judge module 101 is used to judge whether the difference of saturation voltage value of current magnitude of voltage and this battery 12 of this battery 12 surpasses a set point.If the current magnitude of voltage of this battery 12 and the difference between the saturation voltage value surpass this set point, then control module 102 is used for one first current value this battery 12 being charged.If the current magnitude of voltage of this battery 12 and the difference between the saturation voltage value do not surpass this set point, then control module 102 also is used for one second current value said battery 12 being charged.Said first current value is greater than second current value, and promptly first current value is charged as large current charge to battery 12, and second current value is charged as low current charge to battery 12.In this preferred embodiment, when electronic installation 1 was mobile phone, said set point was 0.1V, and this first current value is 500mA, and this second current value is 100mA.
This judge module 101 is used to also to judge that the above-mentioned USB that is obtained by detecting connects 11 current magnitude of voltage and whether is lower than a boundary value.This boundary value is to let said computer 2 discern the minimum voltage value of these electronic installations 1, and in the present embodiment, this boundary value can be 3.5V.
If the current magnitude of voltage of this usb 11 is not less than this boundary value, then control module 102 is used for said second electric current this battery 12 being charged.
If the current magnitude of voltage of this usb 11 is lower than this boundary value, then judge module 101 is used to also judge whether the current current value of this battery 12 is lower than the power consumption current value of battery 12.If the current current value of this battery 12 is lower than the power consumption current value of battery 12, represent that then computer 2 can not recognize this electronic installation 1.If the current current value of battery 12 is not less than the power consumption current value of battery 12, then said control module 102 also is used to reduce the charging current value of battery 12.In this preferred embodiment, the amplitude that this control module 102 reduces said charging current value is 50mA.
As shown in Figure 3, be the operation process chart of charge electronic devices method of the present invention preferred embodiment.
Step S30, the current magnitude of voltage of detecting module 100 detecting batteries 12.
Step S31, judge module 101 judge whether the difference between the saturation voltage value of current magnitude of voltage and battery 12 of this battery 12 surpasses a set point.If the current magnitude of voltage of battery 12 does not surpass this set point, then execution in step S32.If battery 12 current magnitudes of voltage surpass this set point, then execution in step S33.In this preferred embodiment, when electronic installation 1 was mobile phone, said set point was 0.1V.
Step S32, control module 102 is charged to said battery 12 with second current value, and process ends.In the present embodiment, this second current value can be 100mA.
Step S33, control module 102 is charged to this battery 12 with first current value, and execution in step S34.In the present embodiment, this first current value can be 500mA.
Step S34, the current magnitude of voltage of detecting module 100 detecting usb 1s 1, and judge whether the current magnitude of voltage of this usb 11 is lower than a boundary value.If the current magnitude of voltage of usb 11 is lower than this boundary value, then execution in step S35.If the current magnitude of voltage of usb 11 is not less than this boundary value, then return step S32.Wherein, said boundary value is to let said computer 2 discern the minimum voltage value of these electronic installations 1, and in the present embodiment, this boundary value can be 3.5V.
Step S35, the current current value of said detecting module 100 detecting batteries 12.
Step S36, judge module 101 judge whether the current current value of this battery 12 is lower than the power consumption current value of battery 12.If the current current value of this battery 12 is not less than the power consumption current value of battery 12, then execution in step S37.If the current current value of battery 12 is lower than the power consumption current value of battery 12, represent that then computer 2 can not recognize this electronic installation 1, flow process finishes.
Step S37, control module 102 reduces the charging current value of battery 12, and goes to step S35.In this preferred embodiment, the amplitude that this control module 102 reduces charging current value is 50mA.
It should be noted last that; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although the present invention is specified with reference to preferred embodiment; Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention, and do not break away from the spirit and the scope of technical scheme of the present invention.
Claims (8)
1. charge electronic devices system, this electronic installation is connected in computer through USB interface, it is characterized in that, and this system comprises:
Control module is used for when the current magnitude of voltage of the battery of electronic installation and the difference between the saturation voltage value surpass a set point, with first current value this battery being charged;
Detecting module is used to detect the current magnitude of voltage and the current current value of USB interface;
Judge module is used to judge whether the current magnitude of voltage of this USB interface is lower than a boundary value;
Said control module also is used for when the current magnitude of voltage of USB interface is not less than this boundary value, with second current value this battery being charged; And
Above-mentioned control module, the current magnitude of voltage that also is used for when USB interface is lower than this boundary value, and the current current value of this battery reduces the charging current value of this battery when being not less than the power consumption current value of battery.
2. charge electronic devices as claimed in claim 1 system is characterized in that, said control module also is used for when the current magnitude of voltage of battery and the difference between the saturation voltage value surpass said set point, with said second current value this battery being charged.
3. charge electronic devices as claimed in claim 1 system is characterized in that said first current value is greater than second current value.
4. charge electronic devices as claimed in claim 1 system is characterized in that said boundary value is the minimum voltage value of this electronic installation of computer Recognition.
5. charge electronic devices method, this electronic installation is connected in computer through USB interface, it is characterized in that, and this method comprises the steps:
When the current magnitude of voltage of the battery of electronic installation and the difference between the saturation voltage value surpass a set point, this battery is charged with first current value;
The current magnitude of voltage of detecting USB interface;
Whether the current magnitude of voltage of judging this USB interface is lower than a boundary value;
When the current magnitude of voltage of USB interface is not less than this boundary value, this battery is charged with second electric current; And
When the current magnitude of voltage of USB interface is lower than this boundary value, and the current current value of this battery reduces the charging current value of this battery when being not less than the power consumption current value of battery.
6. charge electronic devices method as claimed in claim 5 is characterized in that, this method also comprises step:
When the current magnitude of voltage of battery and the difference between the saturation voltage value surpass said set point, this battery is charged with said second current value.
7. charge electronic devices method as claimed in claim 5 is characterized in that, said first current value is greater than second current value.
8. charge electronic devices method as claimed in claim 5 is characterized in that, said boundary value is the minimum voltage value of this electronic installation of computer Recognition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010106178936A CN102545296A (en) | 2010-12-31 | 2010-12-31 | Electronic device charging system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010106178936A CN102545296A (en) | 2010-12-31 | 2010-12-31 | Electronic device charging system and method |
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| CN102545296A true CN102545296A (en) | 2012-07-04 |
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| CN2010106178936A Pending CN102545296A (en) | 2010-12-31 | 2010-12-31 | Electronic device charging system and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015103767A1 (en) * | 2014-01-10 | 2015-07-16 | Nokia Technologies Oy | Apparatus and method for transferring electrical power |
| CN105490334A (en) * | 2015-12-18 | 2016-04-13 | 上海优思通信科技有限公司 | Charging system and method for portable electronic devices |
| CN109546705A (en) * | 2018-11-29 | 2019-03-29 | 北京羽扇智信息科技有限公司 | Terminal device and its method, apparatus of charging and communication |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101371212A (en) * | 2005-12-13 | 2009-02-18 | 捷讯研究有限公司 | Charger and power supply for mobile devices |
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2010
- 2010-12-31 CN CN2010106178936A patent/CN102545296A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101371212A (en) * | 2005-12-13 | 2009-02-18 | 捷讯研究有限公司 | Charger and power supply for mobile devices |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015103767A1 (en) * | 2014-01-10 | 2015-07-16 | Nokia Technologies Oy | Apparatus and method for transferring electrical power |
| JP2017511099A (en) * | 2014-01-10 | 2017-04-13 | ノキア テクノロジーズ オーユー | Apparatus and method for transmitting power |
| CN105490334A (en) * | 2015-12-18 | 2016-04-13 | 上海优思通信科技有限公司 | Charging system and method for portable electronic devices |
| CN109546705A (en) * | 2018-11-29 | 2019-03-29 | 北京羽扇智信息科技有限公司 | Terminal device and its method, apparatus of charging and communication |
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Application publication date: 20120704 |