CN103515662B - Charging method and can the mobile device of supplying power for outside between a kind of mobile device - Google Patents

Charging method and can the mobile device of supplying power for outside between a kind of mobile device Download PDF

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Publication number
CN103515662B
CN103515662B CN201210201834.XA CN201210201834A CN103515662B CN 103515662 B CN103515662 B CN 103515662B CN 201210201834 A CN201210201834 A CN 201210201834A CN 103515662 B CN103515662 B CN 103515662B
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Prior art keywords
mobile device
battery
outside
supplying power
charged
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CN201210201834.XA
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CN103515662A (en
Inventor
姚松
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Song Yixiao
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Shanghai Feixun Data Communication Technology Co Ltd
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Priority to CN201210201834.XA priority Critical patent/CN103515662B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44Methods for charging or discharging
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/20Charging or discharging characterised by the power electronics converter
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention discloses charging method between a kind of mobile device and can the mobile device of supplying power for outside, for the communications field.Described powered mobile device comprises external power supply circuits, comprising: boost module, is used for the battery of powered mobile device to boost, and the cell voltage of powered mobile device is reached can supply power voltage; Electronic switch, is connected with described boost module, is used for, when mobile device to be charged connects described powered mobile device by USB line, starting described boost module, and closing internal charging circuit; Charge switch, is connected with the battery of described powered mobile device, is used for the supplying power for outside of the battery starting described powered mobile device, charges to described mobile device to be charged.The present invention, by improving the battery circuit of mobile device and utilizing USB line to carry out electric energy transfer between two mobile devices, making mobile device still can charge when not having reserve battery or charger, improve the experience of performance and user.

Description

Charging method and can the mobile device of supplying power for outside between a kind of mobile device
Technical field
The present invention relates to the communications field, particularly relate to wireless charging method between a kind of mobile device and can the mobile device of supplying power for outside.
Background technology
The state of charge of the battery of mobile device is a key factor of its performance of restriction, if mobile device electricity is not enough, then cannot work.Special in terminal equipments such as mobile phones, along with the development of smart mobile phone, cell-phone function is constantly perfect, the function that user uses is more, and mobile phone power consumption amount must continue to increase, therefore, user, in mobile phone use procedure, often can run into the problem of battery electric quantity deficiency.
But tradition is all by connecting line and connector to the technology of charging of mobile devices, connect 220V power supply or connect computer and battery is charged, and different equipment does not have general charger.Like this, user needs when going out to carry multiple battery, to change battery at any time, or carries the charger of multiple distinct device.Its shortcoming uses very inconvenient, usually because leave behind battery or charger, or can not find the place that can charge, cause mobile device not use, delay work and the information communication of user, very inconvenient.
Summary of the invention
Based on the deficiency of existing charging of mobile devices technology, embodiments provide charging method between a kind of mobile device and can the mobile device of supplying power for outside, to make can charge mutually between mobile device, the new charging scheme of mobile device when electricity is not enough is provided, make mobile device when there is no reserve battery or charger, still can charge, ensure the user demand of user, improve user to the experience of mobile terminal.
In order to realize above goal of the invention, between a kind of mobile device that the embodiment of the present invention provides, charging method is realized by following technical scheme:
Charging method between a kind of mobile device, comprises the following steps:
When mobile device to be charged connects powered mobile device by USB line, press the electronic switch of described powered mobile device, the supplying power for outside function of enable described powered mobile device, and close internal charging circuit;
Internal battery voltage boosts to by the boost module of described powered mobile device internal circuit can supply power voltage;
Charge switch starts the supplying power for outside of the battery of described powered mobile device, charges to described mobile device to be charged.
Further, described method also comprises:
In the process of charge to described mobile device to be charged, the battery of charging detecting circuit to described powered mobile device detects, when battery reaches charge threshold level, and charge closing switch.
Further, described method also comprises:
In the process of charge to described mobile device to be charged, the charge volume of charging detecting circuit to described mobile device to be charged detects, when the battery of described mobile device to be charged reaches user demand, and charge closing switch.
Further preferably, described method comprises:
Described can supply power voltage be 5V.
Further preferably, described method comprises:
Described charge threshold level is the minimum voltage that powered mobile device can work.
In order to realize foregoing invention object, the embodiment of the present invention additionally provide a kind of can the mobile device of supplying power for outside, described can the mobile device of supplying power for outside be realized by following technical scheme:
Can the mobile device of supplying power for outside, describedly the powered mobile device of supplying power for outside can comprise external power supply circuits, described power supply circuits comprise:
Boost module, is used for the battery of powered mobile device to boost, and the cell voltage of powered mobile device is reached can supply power voltage;
Electronic switch, is connected with described boost module, is used for when mobile device to be charged connects described powered mobile device by USB line, starting described boost module, the supplying power for outside function of the mobile device of enable described supplying power for outside, and closes internal charging circuit;
Charge switch, with described powered mobile device USB interface be connected, be used for the supplying power for outside of the battery starting described powered mobile device, described mobile device to be charged charged.
Further, described powered mobile device also comprises:
Charging detection module, be connected respectively with charge switch with battery, be used for detecting the battery of described powered mobile device, when battery reaches charge threshold level, charge closing switch, and/or the charge volume of described mobile device to be charged is detected, when the battery of described mobile device to be charged reaches user demand, charge closing switch.
Further, described boost module comprises DC-DC booster circuit.
Further, described electronic switch comprises a metal-oxide-semiconductor.
Further, described mobile device comprises mobile phone, PAD or gets online without being tethered to a cable this.
Charging method and the mobile device of supplying power for outside can take full advantage of the mobility of mobile device between the mobile device that the embodiment of the present invention provides, by improving the battery circuit of mobile device, can supplying power for outside, and utilize USB line to carry out electric energy transfer between two mobile devices, make mobile device when there is no reserve battery or charger, still can charge, effectively improve the performance of mobile device, ensure the user demand of user, improve user to the experience of mobile terminal.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described:
Fig. 1 is the flow chart of charging method between embodiment of the present invention mobile device;
Fig. 2 is another flow chart of charging method between embodiment of the present invention mobile device;
Fig. 3 is another flow chart of charging method between embodiment of the present invention mobile device;
Fig. 4 is that the embodiment of the present invention can supplying power for outside mobile device supplying power for outside circuit composition schematic diagram.
Embodiment
As the flow chart that Fig. 1 is charging method between the embodiment of the present invention 1 mobile device.
As shown in Figure 1, charging method between the mobile device of the embodiment of the present invention 1, comprises the following steps:
S101., when mobile device to be charged connects powered mobile device by USB line, press the electronic switch of described powered mobile device, the supplying power for outside function of enable described powered mobile device, and close internal charging circuit;
When mobile device electricity to be charged is not enough, it is connected with there being the mobile device of higher electricity by USB line, in case of emergency, is carried out the transfer of electric energy by USB line.
Powered mobile device is provided with a switch, is used for the supplying power for outside function of enable described powered mobile device, after this switch is pressed, the battery booster module of powered mobile device inside can be started.
Boost module in powered mobile device is opened and the internal supply module of external power source is opened as mutual exclusion condition, and namely two modules of same time can only have a module in work.
S102. boosted to by internal battery voltage can supply power voltage for the boost module of described powered mobile device internal circuit;
Under normal circumstances, for mobile phone, mobile phone is when can normally work, the cell voltage critical value of its internal cell is at about 3.2V, if but needed battery supplying power for outside, would then need it to reach 5V voltage, therefore, cell voltage is raised to 5V by a booster circuit by battery booster module, makes it reach the condition of supplying power for outside.
S103. charge switch starts the supplying power for outside of the battery of described powered mobile device, charges to described mobile device to be charged.
Further, as shown in Figure 2, described method also comprises:
In the process of S1031. charging to described mobile device to be charged, the battery of charging detecting circuit to described powered mobile device detects, when battery reaches charge threshold level, and charge closing switch.
When the battery electric quantity of powered mobile device reaches critical value, namely when cell voltage reaches charge threshold level, described charge threshold level is the minimum voltage that powered mobile device can work, when powered mobile device itself can not be used, close external charge function immediately, no longer supplying power for outside.
Further, as shown in Figure 3, described method also comprises:
In the process of S1032. charging to described mobile device to be charged, the charge volume of charging detecting circuit to described mobile device to be charged detects, when the battery of described mobile device to be charged reaches user demand, and charge closing switch.
Due to a kind of scheme when charging between mobile device is normally met an urgent need, for guaranteeing that two mobile devices can normally work, at powered mobile device, electricity is carried out for seasonable to charging equipment, its charging detecting circuit constantly can detect supplying power for outside amount, namely when the battery of described mobile device to be charged reaches user demand, charge closing switch, no longer supplying power for outside.
Between the mobile device that the embodiment of the present invention provides, charging method takes full advantage of the mobility of mobile device, by improving the battery circuit of mobile device, can supplying power for outside, and utilize USB line to carry out electric energy transfer between two mobile devices, making mobile device when there is no reserve battery or charger, still can charge, effectively improve the performance of mobile device, ensure the user demand of user, improve user to the experience of mobile terminal.
Embodiments provide a kind of can the mobile device of supplying power for outside, it comprises external power supply circuits, and as shown in Figure 4, be the composition schematic diagram of described supplying power for outside circuit, described supplying power for outside circuit comprises:
Boost module, is connected with battery, is used for the battery of powered mobile device to boost, and the cell voltage of powered mobile device is reached can supply power voltage;
Under normal circumstances, for mobile phone, mobile phone is when can normally work, the cell voltage critical value of its internal cell is at about 3.2V, if but needed battery supplying power for outside, would then need it to reach 5V voltage, therefore, cell voltage is raised to 5V by a booster circuit by battery booster module, makes it reach the condition of supplying power for outside.
Preferred embodiment, described boost module comprises DC-DC booster circuit.
Electronic switch, is connected with described boost module, is used for when mobile device to be charged connects described powered mobile device by USB line, starting described boost module, the supplying power for outside function of the mobile device of enable described supplying power for outside, and closes internal charging circuit;
Under preferred implementation condition, described electronic switch comprises a metal-oxide-semiconductor.
Boost module in powered mobile device is opened and the internal supply module of external power source is opened as mutual exclusion condition, and namely two modules of same time can only have a module in work.
Under concrete implementation condition, as shown in Figure 4, in two modules that powered mobile device externally charges and external power source internally charges, add interlocking, wherein EN1 and EN2 is a pair interlocking Enable Pin.
Charge switch, with described powered mobile device USB interface be connected, be used for the supplying power for outside of the battery starting described powered mobile device, described mobile device to be charged charged.
Further, described powered mobile device also comprises:
Charging detection module, be connected respectively with charge switch with battery, be used for detecting the battery of described powered mobile device, when battery reaches charge threshold level, charge closing switch, and/or the charge volume of described mobile device to be charged is detected, when the battery of described mobile device to be charged reaches user demand, charge closing switch.
When the battery electric quantity of powered mobile device reaches critical value, namely when cell voltage reaches charge threshold level, described charge threshold level is the minimum voltage that powered mobile device can work, when powered mobile device itself can not be used, close external charge function immediately, no longer supplying power for outside.
Or, the charge volume of described mobile device to be charged is detected, when the battery of described mobile device to be charged reaches user demand, charge closing switch.
Because a kind of scheme when charging between mobile device is normally emergent, for guaranteeing that two mobile devices can normally work, at powered mobile device, electricity is carried out for seasonable to charging equipment, its charging detecting circuit constantly can detect supplying power for outside amount, namely when the battery of described mobile device to be charged reaches user demand, charge closing switch, no longer supplying power for outside.
What the embodiment of the present invention provided the mobile device of supplying power for outside can take full advantage of the mobility of mobile device, by improving the battery circuit of mobile device, can supplying power for outside, and utilize USB line to carry out electric energy transfer between two mobile devices, making mobile device when there is no reserve battery or charger, still can charge, effectively improve the performance of mobile device, ensure the user demand of user, improve user to the experience of mobile terminal.
Those skilled in the art will recognize that; above-mentioned embodiment is exemplary; to enable those skilled in the art better understand this patent content; should not be understood as the restriction to this patent protection range; as long as according to this patent disclose any equivalent change done of spirit or modification, all fall into this patent protection range.

Claims (7)

1. a charging method between mobile device, is characterized in that, comprises the following steps:
When mobile device to be charged connects powered mobile device by USB line, press the electronic switch of described powered mobile device, the supplying power for outside function of enable described powered mobile device, and close internal charging circuit;
Internal battery voltage boosts to by the boost module of described powered mobile device internal circuit can supply power voltage;
Charge switch starts the supplying power for outside of the battery of described powered mobile device, charges to described mobile device to be charged; Wherein, in the process that described mobile device to be charged is charged,
The battery of charging detecting circuit to described powered mobile device detects, when battery reaches charge threshold level, and charge closing switch;
The charge volume of charging detecting circuit to described mobile device to be charged detects, when the battery of described mobile device to be charged reaches user demand, and charge closing switch.
2. charging method between mobile device as claimed in claim 1, it is characterized in that, described method comprises: described can supply power voltage be 5V.
3. charging method between mobile device as claimed in claim 1, it is characterized in that, described method comprises: described charge threshold level is the minimum voltage that powered mobile device can work.
4. can the mobile device of supplying power for outside, it is characterized in that, describedly the powered mobile device of supplying power for outside can comprise external power supply circuits, described power supply circuits comprise:
Boost module, is connected with battery, is used for the battery of powered mobile device to boost, and the cell voltage of powered mobile device is reached can supply power voltage;
Electronic switch, is connected with described boost module, is used for when mobile device to be charged connects described powered mobile device by USB line, starting described boost module, the supplying power for outside function of the mobile device of enable described supplying power for outside, and closes internal charging circuit;
Charge switch, is connected with the USB interface of described powered mobile device, is used for the supplying power for outside of the battery starting described powered mobile device, charges to described mobile device to be charged;
Describedly can the supplying power for outside circuit of powered mobile device of supplying power for outside also to comprise:
Charging detection module, be connected respectively with charge switch with battery, be used for detecting the battery of described powered mobile device, when battery reaches charge threshold level, charge closing switch, detect with to the charge volume of described mobile device to be charged, when the battery of described mobile device to be charged reaches user demand, charge closing switch.
5. as claimed in claim 4 can the mobile device of supplying power for outside, it is characterized in that, described boost module comprises DC-DC booster circuit.
6. as claimed in claim 4 can the mobile device of supplying power for outside, it is characterized in that, described electronic switch comprises a metal-oxide-semiconductor.
7. as claimed in claim 4 can the mobile device of supplying power for outside, it is characterized in that, described mobile device comprises mobile phone, PAD or gets online without being tethered to a cable this.
CN201210201834.XA 2012-06-19 2012-06-19 Charging method and can the mobile device of supplying power for outside between a kind of mobile device Active CN103515662B (en)

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CN103873683A (en) * 2014-02-25 2014-06-18 上海斐讯数据通信技术有限公司 Mobile phone emergency charging method and mobile phones
US10742057B2 (en) 2015-03-10 2020-08-11 Huawei Technologies Co., Ltd. Self-loop detection method and apparatus for charging device
CN104767252A (en) * 2015-04-28 2015-07-08 高创(苏州)电子有限公司 Tablet computer
CN104821631B (en) * 2015-05-22 2018-01-02 上海斐讯数据通信技术有限公司 User equipment, power supply unit, charging base and the charging system formed
CN105429199B (en) * 2015-11-11 2019-10-29 上海斐讯数据通信技术有限公司 Reverse charging mobile terminal and method
CN105846494A (en) * 2016-04-25 2016-08-10 乐视控股(北京)有限公司 External charging mobile terminal, and mobile terminal charging system and method

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CN101778156A (en) * 2009-12-31 2010-07-14 深圳创维-Rgb电子有限公司 Mobile phone capable of charging other mobile phones

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CN101778156A (en) * 2009-12-31 2010-07-14 深圳创维-Rgb电子有限公司 Mobile phone capable of charging other mobile phones

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Effective date of registration: 20201119

Address after: 221700 4-1-110-shop, Nanyuan new town, Fengxian County, Xuzhou City, Jiangsu Province

Patentee after: Song Yixiao

Address before: 201616 Shanghai city Songjiang District Guangfulin Road No. 4855, No. 90 in the territory

Patentee before: Phicomm (Shanghai) Co.,Ltd.