CN103887852A - Charging method and charging device - Google Patents

Charging method and charging device Download PDF

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Publication number
CN103887852A
CN103887852A CN201410090757.4A CN201410090757A CN103887852A CN 103887852 A CN103887852 A CN 103887852A CN 201410090757 A CN201410090757 A CN 201410090757A CN 103887852 A CN103887852 A CN 103887852A
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China
Prior art keywords
charging
electric energy
circuit
electronic equipment
module
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CN201410090757.4A
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Chinese (zh)
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CN103887852B (en
Inventor
黄双飞
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宇龙计算机通信科技(深圳)有限公司
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Priority to CN201410090757.4A priority Critical patent/CN103887852B/en
Publication of CN103887852A publication Critical patent/CN103887852A/en
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Publication of CN103887852B publication Critical patent/CN103887852B/en

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    • 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 embodiment of the invention discloses a charging method and a charging device and relates to the technical field of charging devices. By the adoption of the charging method and the charging device, the mobile terminal charging time can be shortened when an electronic device is connected with the charging device and the charging device is connected with an external power supply. According to the charging method, the charging method is applied to the charging device, a first output port of the charging device is connected with a built-in battery through a first circuit; an input port is connected with the first output port through a second circuit; whether the current passing through the first circuit meets the charging requirements of a first electronic device is detected; if the current passing through the first circuit does not meet the charging requirements of the first electronic device, the second circuit is closed, and electric energy, input by the external power supply, received through the input port is transmitted to the first output port through the second circuit. The charging method is suitable for rapidly charging electronic devices by the charging device.

Description

A kind of charging method and charging device
Technical field
The present invention relates to charging device technical field, relate in particular to a kind of charging method and charging device.
Background technology
At present, mobile terminal is on the market of a great variety, and due to the restriction of battery technology, a lot of mobile terminals all can face too short problem in cruising time.Therefore, user can be equipped with portable power source conventionally, to can, at any time for mobile terminal charging, extend cruising time.
Because portable power source itself has carried charger, bear a heavy burden for the ease of carrying and reducing, user is carrying after portable power source, often no longer carries mobile terminal first wife's charger.In the time that needs charge, mobile terminal is connected to portable power source, again portable power source is connected to external power source (such as the plug in room), be exactly under the scene that has external power source in fact, using portable power source as a kind of charger use, form the charging circuit of " external power source-charging device-electronic equipment ".
But, because portable power source itself also needs to charge, especially at portable power source and mobile terminal all electric energy is discontented in the situation that, if adopt the charging circuit of " external power source-charging device-electronic equipment ", portable power source must need to take a part of charging load, the charging load deficiency that this has just caused mobile terminal, has extended charging interval of mobile terminal.
Summary of the invention
Embodiments of the invention provide a kind of charging method and charging device, can connect charging device at electronic equipment, and charging device connects when external power source, reduce the charging interval of mobile terminal.
For achieving the above object, embodiments of the invention adopt following technical scheme:
First aspect, embodiments of the invention provide a kind of charging method, for a kind of charging device, described charging device has at least comprised: input port, the first output port and internal battery, described input port, described internal battery and described the first output port pass through the first connection successively, wherein, and described internal battery, for receiving the electric energy from external power source input by described input port, and the electric energy that arrives of storing received; Described internal battery, the first electronic equipment being also extremely connected with described charging device for the delivery of electrical energy of described internal battery being stored by described the first output port; Described input port and described the first output port are also by the second connection; Described method comprises:
Whether the output current size that detects described the first output port meets the charging demand of described the first electronic equipment;
If do not meet, closed described the second circuit, and the electric energy from external power source input described input port being received by described the second circuit, transfer to described the first output port.
Second aspect, embodiments of the invention provide a kind of charging device, described charging device has at least comprised: electric energy receiver module, the first electric energy output module, energy-storage module and control module, and described electric energy receiver module, described energy-storage module and described the first electric energy output module are successively by the first connection; Described electric energy receiver module and described the first electric energy output module are also by the second connection;
Described electric energy receiver module, for receiving the electric energy from external power source input;
Described energy-storage module, for storing the electric energy of the described external power source input being received by described electric energy receiver module;
Described the first electric energy output module, the first electronic equipment being extremely connected with described charging device for the delivery of electrical energy that described energy-storage module is stored;
Whether described control module, meet the charging demand of described the first electronic equipment for detection of the output current size of described the first electric energy output module; If do not meet, closed described the second circuit, and the electric energy from external power source input described electric energy receiver module being received by described the second circuit, transfer to described the first electric energy output module.
The charging method that the embodiment of the present invention provides and charging device, an extra switching circuit is set between input port and output port, when portable power source, by internal battery, the circuit between output port is when external electronic equipment charges and charging load is not enough, portable power source can closed input port and output port between switching circuit be that external electronic equipment charges, to meet the demand of charging load.With respect to the charging circuit of " external power source-charging device-electronic equipment " in prior art, the present invention is in fact by an extra switching circuit is set between input port and output port, having realized external electronic equipment is directly connected with external power source, and get around the internal battery of portable power source, thereby avoid the internal battery of portable power source in charging process to take load, thereby reduce the charging interval of external electronic equipment, guarantee that external electronic equipment can complete charging with the fastest speed.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The flow chart of a kind of charging method that Fig. 1 provides for the embodiment of the present invention;
The schematic diagram of a kind of concrete real case that Fig. 1 a provides for the embodiment of the present invention;
The flow chart of the another kind of charging method that Fig. 2 provides for the embodiment of the present invention;
The schematic diagram of the concrete real case of another kind that Fig. 2 a provides for the embodiment of the present invention;
The flow chart of another charging method that Fig. 3 a, Fig. 3 b provide for the embodiment of the present invention;
The flow chart of another charging method that Fig. 4 provides for the embodiment of the present invention;
The structural representation of a kind of charging device that Fig. 5 provides for the embodiment of the present invention;
The another kind that Fig. 6 provides for the embodiment of the present invention structural representation of establishing that charges.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
The term using is in embodiments of the present invention only for describing the object of specific embodiment, but not is intended to limit the present invention." one ", " described " and " being somebody's turn to do " of the singulative using in the embodiment of the present invention and appended claims are also intended to comprise most forms, unless context clearly represents other implications.It is also understood that term "and/or" used herein refer to and comprise one or more projects of listing that are associated any or all may combine.
Depend on linguistic context, as used in this word " if " can be construed as into " ... time " or " when ... time " or " in response to determine " or " in response to detecting ".Similarly, depend on linguistic context, phrase " if determining " or " if detecting (the conditioned disjunction event of statement) " can be construed as " when definite " or " in response to determining " or " in the time detecting (the conditioned disjunction event of statement) " or " in response to detecting (the conditioned disjunction event of statement) "
The embodiment of the present invention provides a kind of charging method, as shown in Figure 1, comprising:
101, whether the output current size that detects described the first output port meets the charging demand of described the first electronic equipment.
It should be noted that, the charging method of the present embodiment can be for a kind of charging device, such as portable power source.In the charging device of the present embodiment, at least comprise: input port, the first output port and internal battery, input port, internal battery and the first output port are successively by the first connection, wherein, internal battery, for receives the electric energy of inputting from external power source the electric energy that arrives of storing received by input port.Internal battery, the first electronic equipment being also extremely connected with charging device for the delivery of electrical energy of internal battery being stored by the first output port.Input port and the first output port are also by the second connection.Case is for example:
In portable power source as shown in Figure 1a, comprise the USB that serves as input interface, the PMU(Precision Measurement Unit that each element in portable power source is controlled, accurate measurement unit) CPU, internal battery, as the USB1 of the first output port, and for controlling electric current output, the DC-DC1(DC output end of serial between internal battery and USB1).Wherein, the circuit of internal battery--DC-DC1--USB1 can be used as the first circuit.In the present embodiment, between USB and USB1, be also connected by the second circuit, and on the second circuit, be provided with switch 1 to control disconnection and the closure of the second circuit.PMU CPU between DC-DC1 and USB1, is provided for carrying out the element of load detecting, so that can detect the size of current that exports the first electronic equipment to of USB1 in real time.It should be noted that, in the present embodiment, PMU CPU also can carry out load detecting to USB1 by other prior art means, in this no limit.
If the size of current on the first circuit can meet the charging demand of the first electronic equipment, do not make extra process, adopting conventional means is the first electronic equipment charging by the internal battery in charging device.
102, if do not meet, the switch on closed described the second circuit, and the electric energy from external power source input described input port being received by described the second circuit, transfer to described the first output port.
Case is for example: in portable power source as shown in Figure 1a, the first electronic equipment is smart mobile phone, optimal charge electric current is 3A, if internal battery by DC-DC1 to the supply current of USB1 be more than or equal to 3A(the size of current on the first circuit be 3A), the size of current on the first circuit can meet the charging demand of the first electronic equipment, and it is the first electronic equipment charging that portable power source uses the first circuit.Can not meet if be less than 3A, portable power source Closing Switch 1, is the first electronic equipment charging thereby enable the second circuit.
The charging method that the embodiment of the present invention provides, an extra switching circuit is set between input port and output port, when portable power source, by internal battery, the circuit between output port is when external electronic equipment charges and charging load is not enough, portable power source can closed input port and output port between switching circuit be that external electronic equipment charges, to meet the demand of charging load.With respect to the charging circuit of " external power source-charging device-electronic equipment " in prior art, the present invention is in fact by an extra switching circuit is set between input port and output port, having realized external electronic equipment is directly connected with external power source, and get around the internal battery of portable power source, thereby avoid the internal battery of portable power source in charging process to take load, thereby reduce the charging interval of external electronic equipment, guarantee that external electronic equipment can complete charging with the fastest speed.
On the basis of charging method as shown in Figure 1, can also develop scheme as shown in Figure 2, while being connected with portable power source with the multiple electronic equipments of box lunch, meeting the electronic equipment that priority is higher and complete charging.
201, according to preset rules, determine that the electronic equipment that priority is the highest is described the first electronic equipment.
Wherein, described charging device has also comprised the second output port, and described the second output port is connected with the second electronic equipment, and described input port, described the second output port are connected by tertiary circuit with described internal battery.Wherein, described internal battery, also for by described the second output port by stored delivery of electrical energy to described the second electronic equipment.Described input port and described the second output port, by the 4th connection, are provided with switch on described the 4th circuit.Case is for example: in portable power source as shown in Figure 2 a, comprise the USB that serves as input interface, the PMU(Precision Measurement Unit that each element in portable power source is controlled, accurate measurement unit) CPU, internal battery, as the USB1 of the first output port, as the USB2 of the first output port, and for controlling electric current output, two the DC-DC1(DC output ends of serial between internal battery and USB1, USB2 respectively).Wherein, the circuit of internal battery--DC-DC1--USB1 can be used as the first circuit.Between USB and USB1, be also connected by the second circuit, and on the second circuit, be provided with switch 1 to control disconnection and the closure of the second circuit; The circuit of internal battery--DC-DC1 '--USB2 can be used as tertiary circuit.Between USB and USB2, be also connected by the 4th circuit, and on the 4th circuit, be provided with switch 2 to control disconnection and the closure of the 4th circuit.PMU CPU between DC-DC1 and USB1, is provided for carrying out the element of load detecting, so that can detect the size of current that exports the first electronic equipment to of USB1 in real time; And between DC-DC1 ' and USB2, be also provided for carrying out the element of load detecting, so that PMU CPU can detect the size of current that exports the first electronic equipment to of USB2 in real time.It should be noted that, in the present embodiment, PMU CPU also can carry out load detecting to USB1 and USB2 by other prior art means, in this no limit.
In the present embodiment, can be set by the user according to preset rules, can be also that charging device is set in the time dispatching from the factory.Or, the processor of charging device can detect the type that is connected to the electronic equipment on each output port, such as: the first output port and the second output port are respectively standard USB mouth, when overcharge these 2 standard USB mouths of equipment of mobile phone and dull and stereotyped computer expert are connected after charging device, charging device can detect the device type connecting on each standard USB mouth, and using mobile phone as the first the highest electronic equipment of priority.
202, whether the output current size that detects described the first output port meets the charging demand of described the first electronic equipment.
203, if do not meet, disconnect described tertiary circuit and described the 4th circuit.
Switch on all right closed described the second circuit, and the electric energy from external power source input described input port being received by described the second circuit simultaneously, transfers to described the first output port.
If meet, do not deal with.
In the present embodiment, in the time that the size of current of the first circuit can not meet the charging demand of the first electronic equipment, stop, for the second electronic equipment charging, preferentially guaranteeing the charging demand of the first electronic equipment.
In the present embodiment, when the maximum output current of internal battery can not meet the charging demand of the first electronic equipment, enable the second circuit, and be the first electronic equipment charging by the second circuit.
It should be noted that now have two circuits to be used to the first electronic equipment charging, i.e. the first circuit and the second circuit, having realized and having utilized external power source and internal battery is the first electronic equipment charging simultaneously.In some cases, the size of current of external power source is often greater than the maximum output current of internal battery, and such as the size of current of external power source is 4A, the maximum output current of internal battery is 3A.But, also there are at present a lot of electronic equipments to possess quick-charge function, this just needs further to increase the size of current of the output port of portable power source, such as the first electronic equipment is in the time enabling quick-charge function, optimal charge electric current is 6A, use separately any quick charge demand that all cannot meet the first electronic equipment in the first circuit and the second circuit, therefore can be the first electronic equipment charging by the first circuit and the second circuit in the present invention, the output current that makes USB1 reality be 7A simultaneously.
Due in actual applications, on charging device, tend to connect multiple electronic equipments to be charged, in the electronic equipment multiple to be charged that can connect from charging device in the present embodiment, select the electronic equipment that priority is higher, and be preferably the electronic equipment charging that priority is higher.
In charging method as shown in Figures 1 and 2, in order to guarantee that electronic equipment can complete charging fast, the circuit between internal battery and output port is not limited, therefore can form the situation that " input port-output port-electronic equipment " and " input port-portable power source-output port-electronic equipment " these two circuits charge for electronic equipment simultaneously, the electric current that makes output port export to electronic equipment increases, to meet the charging demand of the electronic equipment much with quick-charge function.But, in order to guarantee useful life or the dump energy of internal battery of mobile portable power source, can in the situation that meeting electronic equipment charging demand, be also that electronic equipment charges by " input port-output port-electronic equipment " this circuit.Therefore, can also comprise in the present embodiment method as shown in Figure 3 a:
301, whether the output current size that detects described the first output port meets the charging demand of described the first electronic equipment.
302, if do not meet, the switch on closed described the second circuit, and the electric energy from external power source input described input port being received by described the second circuit, transfer to described the first output port.
303a, whether the size of current that detects described the second circuit of flowing through meets the charging demand of described the first electronic equipment.
304a, if do not meet, disconnects the circuit between described input port and described internal battery.
Charge to internal battery thereby stopped input port, avoided because internal battery charging takies the charging load by input port input portable power source.Internal battery can be by the circuit between internal battery and the first output port simultaneously, and utilizing the electric energy that internal battery is stored is the first electronic equipment charging.
305a, if meet, detects the electric energy that described internal battery stores and whether is more than or equal to the first preset value;
306a, if be less than described the first preset value, disconnects the circuit between described internal battery and described the first output port.
If be more than or equal to the first preset value, do not deal with.
Or, can also comprise method as shown in Figure 3 b:
301, whether the output current size that detects described the first output port meets the charging demand of described the first electronic equipment.
302, if do not meet, the switch on closed described the second circuit, and the electric energy from external power source input described input port being received by described the second circuit, transfer to described the first output port.
303b, detects the electric energy that described internal battery stores and whether is more than or equal to the first preset value.
304b, if be less than described the first preset value, disconnects the circuit between described internal battery and described the first output port.
If be more than or equal to described the first preset value, do not deal with.
In actual applications, often also need to consider the useful life of portable power source, when the electric energy therefore stored when internal battery is too low, can stop using internal battery is the first electronic equipment charging, saves the electric energy of internal battery.Also can reduce the service time of internal battery, extend the useful life of internal battery simultaneously.
Further, for the situation that exists multiple electronic equipments to be connected with portable power source, under the prerequisite of charging demand that guarantees the electronic equipment with higher priority, the electronic equipment that can be also other by the internal battery of portable power source charging.On the basis of the method shown in Fig. 3 a, can also comprise method as shown in Figure 4:
301, whether the output current size that detects described the first output port meets the charging demand of described the first electronic equipment.
302, if do not meet, the switch on closed described the second circuit, and the electric energy from external power source input described input port being received by described the second circuit, transfer to described the first output port.
303a, whether the size of current that detects described the second circuit of flowing through meets the charging demand of described the first electronic equipment.
304a, if do not meet, disconnects the circuit between described input port and described internal battery.
If meet, do not process.
305, closed described tertiary circuit, and the electric energy that utilizes described internal battery to store, be described the second electronic equipment charging by described tertiary circuit.
Wherein, in order to guarantee the dump energy of internal battery of portable power source, 305 can be implemented as:
3051, if the size of current of described the second circuit of flowing through meets the charging demand of described the first electronic equipment, detect the electric energy that described internal battery stores and whether be more than or equal to the second preset value.
3052, if be more than or equal to described the second preset value, closed described tertiary circuit.
In the present embodiment, in the time can meeting the charging demand of the first electronic equipment by external power source, can utilize internal battery is other electronic equipment chargings that are connected with charging device simultaneously, thereby in guaranteeing that the electronic equipment with higher priority completes charging fast, also remain other electronic equipment chargings, be reduced to all electronic equipments that are connected with charging device and complete the required time of charging.
In the present embodiment, the first preset value and the second preset value can be set by the user, also can be by the built-in processor of charging device, such as PMU CPU sets automatically.
In embodiments of the present invention, a kind of charging device 50 is also provided, as shown in Figure 5, charging device 50 at least comprises: electric energy receiver module 51, the first electric energy output module 54, energy-storage module 52 and control module 53, and described electric energy receiver module 51, described energy-storage module 52 and described the first electric energy output module 54 are successively by the first connection; Described electric energy receiver module 51 and described the first electric energy output module 54 are also by the second connection;
Described electric energy receiver module 51, for receiving the electric energy from external power source input;
Described energy-storage module 52, for storing the electric energy of the described external power source input being received by described electric energy receiver module 51;
Described the first electric energy output module 54, the first electronic equipment being extremely connected with described charging device for the delivery of electrical energy that described energy-storage module 52 is stored;
Whether described control module 53, meet the charging demand of described the first electronic equipment for detection of the output current size of described the first electric energy output module 54; If do not meet, closed described the second circuit, and the electric energy from external power source input described electric energy receiver module 51 being received by described the second circuit, transfer to described the first electric energy output module 54.
The charging device that the embodiment of the present invention provides, an extra switching circuit is set between input port and output port, when portable power source, by internal battery, the circuit between output port is when external electronic equipment charges and charging load is not enough, portable power source can closed input port and output port between switching circuit be that external electronic equipment charges, to meet the demand of charging load.With respect to the charging circuit of " external power source-charging device-electronic equipment " in prior art, the present invention is in fact by an extra switching circuit is set between input port and output port, having realized external electronic equipment is directly connected with external power source, and get around the internal battery of portable power source, thereby avoid the internal battery of portable power source in charging process to take load, thereby reduce the charging interval of external electronic equipment, guarantee that external electronic equipment can complete charging with the fastest speed.
Further as shown in Figure 6, in charging device 50, can also comprise:
The second electric energy output module 55.
Wherein, described electric energy receiver module 51, described energy-storage module 52 and described the second electric energy output module 55 are connected by tertiary circuit successively; Described electric energy receiver module 51 and described the second electric energy output module 55 are by the 4th connection;
Described the second electric energy output module 55, described the second electronic equipment being extremely connected with described charging device for the delivery of electrical energy that described energy-storage module 52 is stored;
Described control module 53, also, for according to preset rules, determines that the electronic equipment that priority is the highest is described the first electronic equipment; And whether the output current size that detects described the first electric energy output module 54 meets the charging demand of described electronic equipment; If do not meet, disconnect described tertiary circuit and described the 4th circuit.
In the present embodiment, in the electronic equipment multiple to be charged that can connect from charging device, select the electronic equipment that priority is higher, and be preferably the electronic equipment charging that priority is higher.
Optionally, described control module 53, also for the charging demand that detects the size of current of described the second circuit of flowing through and whether meet described the first electronic equipment; If do not meet, disconnect the circuit between described electric energy receiver module 51 and described energy-storage module 52;
If meet, detect the electric energy that described energy-storage module 52 stores and whether be more than or equal to the first preset value;
If be less than described the first preset value, disconnect the circuit between described energy-storage module 52 and described the first electric energy output module 54.
In the present embodiment, when the electric energy stored when internal battery is too low, can disconnect the first circuit, be the first electronic equipment charging thereby stop using internal battery, saves the electric energy of internal battery.Also can reduce the service time of internal battery, extend the useful life of internal battery simultaneously.
Further alternative, described control module 53, if also meet the charging demand of described the first electronic equipment for the size of current of described the second circuit of flowing through, closed described tertiary circuit; And the electric energy that utilizes described energy-storage module 52 to store, be described the second electronic equipment charging by described tertiary circuit.
Wherein, described control module 53, specifically for, if the size of current of described the second circuit of flowing through meets the charging demand of described the first electronic equipment, detect the electric energy that described energy-storage module 52 stores and whether be more than or equal to the second preset value; If be more than or equal to described the second preset value, closed described tertiary circuit.
In the present embodiment, in the time can meeting the charging demand of the first electronic equipment by external power source, can utilize internal battery is other electronic equipment chargings that are connected with charging device simultaneously, thereby in guaranteeing that the electronic equipment with higher priority completes charging fast, also remain other electronic equipment chargings, be reduced to all electronic equipments that are connected with charging device and complete the required time of charging.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually referring to, what each embodiment stressed is and the difference of other embodiment.Especially,, for apparatus embodiments, because it is substantially similar in appearance to embodiment of the method, so describe fairly simplely, relevant part is referring to the part explanation of embodiment of the method.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, can carry out the hardware that instruction is relevant by computer program to complete, described program can be stored in a computer read/write memory medium, this program, in the time carrying out, can comprise as the flow process of the embodiment of above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, any be familiar with those skilled in the art the present invention disclose technical scope in; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.

Claims (10)

1. a charging method, it is characterized in that, for a kind of charging device, described charging device has at least comprised: input port, the first output port and internal battery, described input port, described internal battery and described the first output port pass through the first connection successively, wherein, and described internal battery, for receiving the electric energy from external power source input by described input port, and the electric energy that arrives of storing received; Described internal battery, the first electronic equipment being also extremely connected with described charging device for the delivery of electrical energy of described internal battery being stored by described the first output port; Described input port and described the first output port are also by the second connection; Described method comprises:
Whether the output current size that detects described the first output port meets the charging demand of described the first electronic equipment;
If do not meet, closed described the second circuit, and the electric energy from external power source input described input port being received by described the second circuit, transfer to described the first output port.
2. charging method according to claim 1, it is characterized in that, described charging device has also comprised the second output port, and described the second output port is connected with the second electronic equipment, and described input port, described internal battery and described the second output port are connected by tertiary circuit successively; Wherein, described internal battery, also for by described the second output port by stored delivery of electrical energy to described the second electronic equipment; Described input port and described the second output port are by the 4th connection; Described method comprises:
According to preset rules, determine that the electronic equipment that priority is the highest is described the first electronic equipment;
Whether the output current size that detects described the first output port meets the charging demand of described electronic equipment;
If do not meet, disconnect described tertiary circuit and described the 4th circuit.
3. charging method according to claim 1 and 2, is characterized in that, also comprises:
Whether the flow through size of current of described the second circuit of detection meets the charging demand of described the first electronic equipment;
If do not meet, disconnect the circuit between described input port and described internal battery;
If meet, detect the electric energy that described internal battery stores and whether be more than or equal to the first preset value;
If be less than described the first preset value, disconnect the circuit between described internal battery and described the first output port.
4. charging method according to claim 3, is characterized in that, also comprises:
If flow through, the size of current of described the second circuit meets the charging demand of described the first electronic equipment, closed described tertiary circuit;
The electric energy that utilizes described internal battery to store is described the second electronic equipment charging by described tertiary circuit.
5. charging method according to claim 4, is characterized in that, described after disconnecting described the first circuit, closed described tertiary circuit, comprising:
If flow through, the size of current of described the second circuit meets the charging demand of described the first electronic equipment, detects the electric energy that described internal battery stores and whether is more than or equal to the second preset value;
If be more than or equal to described the second preset value, closed described tertiary circuit.
6. a charging device, it is characterized in that, described charging device has at least comprised: electric energy receiver module, the first electric energy output module, energy-storage module and control module, and described electric energy receiver module, described energy-storage module and described the first electric energy output module are successively by the first connection; Described electric energy receiver module and described the first electric energy output module are also by the second connection;
Described electric energy receiver module, for receiving the electric energy from external power source input;
Described energy-storage module, for storing the electric energy of the described external power source input being received by described electric energy receiver module;
Described the first electric energy output module, the first electronic equipment being extremely connected with described charging device for the delivery of electrical energy that described energy-storage module is stored;
Whether described control module, meet the charging demand of described the first electronic equipment for detection of the output current size of described the first electric energy output module; If do not meet, closed described the second circuit, and the electric energy from external power source input described electric energy receiver module being received by described the second circuit, transfer to described the first electric energy output module.
7. charging method according to claim 6, is characterized in that, described charging device has also comprised the second electric energy output module, and described electric energy receiver module, described energy-storage module and described the second electric energy output module are connected by tertiary circuit successively; Described electric energy receiver module and described the second electric energy output module are by the 4th connection;
Described the second electric energy output module, described the second electronic equipment being extremely connected with described charging device for the delivery of electrical energy that described energy-storage module is stored;
Described control module, also, for according to preset rules, determines that the electronic equipment that priority is the highest is described the first electronic equipment; And whether the output current size that detects described the first electric energy output module meets the charging demand of described electronic equipment; If do not meet, disconnect described tertiary circuit and described the 4th circuit.
8. according to the charging method described in claim 6 or 7, it is characterized in that, described control module, also for:
Whether the flow through size of current of described the second circuit of detection meets the charging demand of described the first electronic equipment;
If do not meet, disconnect the circuit between described electric energy receiver module and described energy-storage module;
If meet, detect the electric energy that described energy-storage module stores and whether be more than or equal to the first preset value;
If be less than described the first preset value, disconnect the circuit between described energy-storage module and described the first electric energy output module.
9. charging method according to claim 8, is characterized in that, described control module, if also meet the charging demand of described the first electronic equipment for the size of current of described the second circuit of flowing through, and closed described tertiary circuit; And the electric energy that utilizes described energy-storage module to store, be described the second electronic equipment charging by described tertiary circuit.
10. charging method according to claim 9, is characterized in that, described control module, specifically for,
If flow through, the size of current of described the second circuit meets the charging demand of described the first electronic equipment, detects the electric energy that described energy-storage module stores and whether is more than or equal to the second preset value; If be more than or equal to described the second preset value, closed described tertiary circuit.
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