CN105449757B - Prevent the method and device that adapter or portable power source disconnect in charging process - Google Patents
Prevent the method and device that adapter or portable power source disconnect in charging process Download PDFInfo
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- CN105449757B CN105449757B CN201510884560.2A CN201510884560A CN105449757B CN 105449757 B CN105449757 B CN 105449757B CN 201510884560 A CN201510884560 A CN 201510884560A CN 105449757 B CN105449757 B CN 105449757B
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Abstract
The embodiment of the invention discloses a kind of method for preventing that adapter or portable power source disconnect in charging process, including:Charging voltage is obtained, when the charging voltage is less than or equal to first voltage threshold value, carries out constant-current charge;The periodic detection charging voltage during constant-current charge;When detecting that charging voltage is more than or equal to second voltage threshold value, the charging current of constant-current charge is lifted into the first preset value.The embodiment of the present invention also accordingly discloses a kind of device for preventing that adapter or portable power source disconnect in charging process.Prevent the method and device that adapter or portable power source disconnect in charging process from can prevent terminal during charging with the overload phenomenon that the rise of battery of mobile phone voltage occurs in the present invention, reduce the charging occurred by overload and disconnect phenomenon, lift Consumer's Experience.
Description
Technical field
The present invention relates to field of computer technology, more particularly to one kind to prevent that adapter or portable power source break in charging process
The method and device opened.
Background technology
Portable electric appts now, such as mobile phone, portable electronic device, notebook computer, flat board electricity
Brain etc., typically by rechargeable battery powered or directly powered by socket.In general, these portable electric appts are all
There is supporting power supply adaptor, for the alternating current of high pressure to be converted into the direct current of mortgage and is supplied to electronic equipment to enter to exercise
With so that electronic equipment can work or charge under preferable preset voltage value, to prevent from directly using common family
Front yard electricity consumption causes the phenomenon of overload.
In the conventional technology, adapter on the market/portable power source quality is uneven, cell phone manufacturer in order to adaptation he
, in adapter connection after mobile phone, mobile phone terminal can all do current automatic adaptation, the load capacity of test adaptor, after having detected
The value is preserved, behind continue to use the parameter setting electric current.
For adapter/portable power source that some qualities are very poor, when mobile phone battery is pressed in 3.6V, it can be provided
1200mA output current, but when cell voltage reaches 4.1V, if also charged with 1200mA electric current, adapter needs to carry
The power of confession is 4.1V*1.2A/88% (efficiency)=5.6W, may cause overload, causes unexpected disconnection of charging, influences user
Experience.
That is, adapter of the prior art or portable power source during charging with charging process voltage
Increase, it is impossible to adaptively change charging current, easily cause the generation of the phenomenon of overload, the problem of poor compatibility be present.
The content of the invention
Based on this, for solve adapter in conventional art mentioned above or portable power source because during charging with
Charging current, the technical problem of existing poor compatibility can not adaptively be changed by the increase of charging process voltage, and spy provides
Prevent the method that adapter or portable power source disconnect in charging process.
A kind of method for preventing that adapter or portable power source disconnect in charging process, including:
Charging voltage is obtained, when the charging voltage is less than or equal to first voltage threshold value, carries out constant-current charge;
The periodic detection charging voltage during constant-current charge;
When detecting that charging voltage is more than or equal to second voltage threshold value, the charging current of constant-current charge is lifted first
Preset value.
Optionally, it is described during constant-current charge the step of periodic detection charging voltage after also include:
When detecting that charging voltage is less than the second voltage threshold value, it is pre- that the charging current of constant-current charge is reduced by second
If value.
Optionally, it is described during constant-current charge the step of periodic detection charging voltage after also include:
Judge whether the charging voltage is more than or equal to the first voltage threshold value, if so, then according to the described first electricity
Threshold value is pressed to carry out constant-voltage charge.
Optionally, the charging current by constant-current charge, which lifts the step of the first preset value, also includes:
Judge whether the charging current of constant-current charge is less than or equal to current threshold, if so, then by the charging of constant-current charge
The preset value of current boost first.
Optionally, the second voltage threshold value is 4.5V, described to be less than or equal to first voltage threshold in the charging voltage
During value, carry out constant-current charge the step of be:
Charging current using 500mA as the constant-current charge.
In addition, for solve adapter in conventional art mentioned above or portable power source because during charging with
The increase of charging process voltage can not adaptively change charging current, the technical problem of existing poor compatibility, and spy provides
A kind of device for preventing that adapter or portable power source disconnect in charging process.
A kind of device for preventing that adapter or portable power source disconnect in charging process, including:
First module, for obtaining charging voltage, when the charging voltage is less than or equal to first voltage threshold value, carry out
Constant-current charge;
Second module, for the periodic detection charging voltage during constant-current charge;
3rd module, for when detecting that charging voltage is more than or equal to second voltage threshold value, by filling for constant-current charge
The electric preset value of current boost first.
Optionally, described device also includes the 4th module, for detecting that charging voltage is less than the second voltage threshold
During value, the charging current of constant-current charge is reduced into the second preset value.
Optionally, described device also includes the 5th module, for judging it is described whether the charging voltage is more than or equal to
First voltage threshold value, if so, then carrying out constant-voltage charge according to the first voltage threshold value.
Optionally, the 3rd module is additionally operable to:Judge whether the charging current of constant-current charge is less than or equal to current threshold
Value, if so, the charging current of constant-current charge then is lifted into the first preset value.
Optionally, it is 4.5V to state second voltage threshold value, and first module is additionally operable to:Filled using 500mA as the constant current
The charging current of electricity.
Implement the embodiment of the present invention, will have the advantages that:
After employing the above-mentioned method and device for preventing adapter in charging process or portable power source from disconnecting, to terminal
In battery charged during, can according to the dump energy of the size of cell voltage or battery number, it is determined that carrying out
The size of the charging current of charging, and self-adapting detecting, after cell voltage increases, phase regularly are carried out to cell voltage
Answer ground to be adjusted charging current, improve the charging current to be charged so that the charging current of charging and the electricity of battery
It is matching, and has reasonably planned the power of adapter, it is defeated beyond its avoids the electricity that adapter exports in charging process
Output capacity, cause the phenomenon of overload to occur, reduce the charging occurred by overload and disconnect phenomenon, improving adapter can move
The compatibility of power supply, improves Consumer's Experience.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Wherein:
Fig. 1 is that a kind of flow for preventing the method that adapter or portable power source disconnect in charging process is shown in one embodiment
It is intended to;
Fig. 2 is that a kind of structure for preventing the device that adapter or portable power source disconnect in charging process is shown in one embodiment
It is intended to.
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 carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
For solve adapter in conventional art mentioned above or portable power source because during charging with charging
The increase of process voltage can not adaptively change charging current, the technical problem of existing poor compatibility, in the present embodiment,
Spy provides a kind of method for preventing that adapter or portable power source disconnect in charging process, and this method can be dependent on computer journey
Sequence, it can run in the computer system based on von Neumann system.The computer program is the driving journey of the charging in terminal
Sequence.The computer system can be smart mobile phone, tablet personal computer, the palm electricity to be charged using adapter or portable power source
Brain, notebook computer either other need to use the terminal device that adapter or portable power source are charged.
Specifically, this prevents the method that adapter or portable power source disconnect in charging process as shown in figure 1, including following step
Suddenly:
Step S102:Charging voltage is obtained, when the charging voltage is less than or equal to first voltage threshold value, carries out constant current
Charging.
After terminal connects adapter, in order to determine pattern that terminal currently charges and charge parameter, it is necessary to charging
During charging voltage and charging current be defined.
Charging voltage refers to adapter by the voltage that exports afterwards of conversion, and terminal is from the junction with adapter
The voltage detected.For the battery of terminal, it is into positive correlation in its battery electric quantity and voltage, that is to say, that
In not enough power supply, its voltage as electricity deficiency and reduce.Therefore, in the case where charging voltage is relatively low, to end
The battery at end carries out constant-current charge, and constant-current charge can determine the size of charging current according to the capacity of battery, so that electric
Pond is charged when low battery using less charging current, ensures the safety of charging.
In the present embodiment, one battery of setting carries out the voltage max of constant-current charge during first voltage threshold value, such as
It can set first voltage threshold value that one and battery are set for the limitation voltage of battery or according to the design parameter of battery
The maximum voltage of the progress constant-current charge of matching.
Step S104:The periodic detection charging voltage during constant-current charge.
Step S106:When detecting that charging voltage is more than or equal to second voltage threshold value, by the charging electricity of constant-current charge
Stream the first preset value of lifting.
With the progress of terminal charge, the cell voltage of terminal can increase, so needing to examine charging voltage
Survey, it is necessary to be adjusted to charging current or charge mode when its charging voltage changes.Specifically, at this
In embodiment, during constant-current charge, charging voltage is detected according to the default cycle, for example, can be every 15
Battery detecting once its charging voltage, and obtain the charging voltage value detected of minute to the terminal in charging.
According to the charging voltage value got, judge whether the charging voltage value is more than or equal to second voltage threshold value,
That is, whether the voltage of the battery of detection terminal with the progress of charging, whether its cell voltage has risen the second electricity
Threshold value is pressed, if so, then illustrating that be continuing with original charging current charges to end cell, can cause the speed of charging to become
Slowly, it is necessary to improve corresponding charging current.In the present embodiment, in the case where charging voltage rises to second voltage threshold value,
Charging current is lifted into the first preset value, first voltage increase variate-value set in advance during the first preset value, so that filling
Electric current increases, and the speed of charging accelerates.
Optionally, in the present embodiment, in step S104:During constant-current charge after periodic detection charging voltage, on
Stating method also includes:When detecting that charging voltage is less than the second voltage threshold value, the charging current of constant-current charge is reduced
Second preset value.
, can be to terminal when charging voltage is less than or equal to the first preset value in the step S102 of the present embodiment
Constant-current charge is carried out, and the charging current of constant-current charge is to determine, and the charging current, which may exist, sets too high ask
Topic;Or during charging, the battery of terminal is still in discharge condition, and discharge electricity amount is more than charge capacity, can
The voltage of battery, which can be there is, to be raised, the phenomenon that can be reduced on the contrary with the progress of charging.For these reasons, right
During the battery of terminal is charged, there is a situation where to need to reduce charging current.
Specifically, after charging voltage is got, judge whether the charging voltage is less than second voltage threshold value, if so,
The charging current during constant-current charge is then reduced, and the amplitude reduced is that charging current is reduced into the second preset value.
For example, in one embodiment, it is 5V that can set first voltage threshold value, when charging voltage is less than 5V,
Constant-current charge is carried out to end cell.Also, the initial charge current that can also set progress constant-current charge is 500mA.Enter one
Step ground, can also set second voltage threshold value as 4.5V, if the first preset value is 400mA, that is to say, that detecting charging voltage
When more than or equal to 4.5V, charging current is lifted into 400mA.If current charging current is 500mA, filled detecting
Piezoelectric voltage is 4.6V>4.5V, the charging current for carrying out constant-current charge is now lifted into 400mA to 900mA from 500mA, that is,
Say, constant-current charge is carried out by charging current of 900mA.
For another example in one embodiment, the current charging current of battery is 1000mA, detecting that charging voltage is
4.0V and less than in the case of second voltage threshold value 4.5V, according to the rule of default settings, charging current reduction by second is preset
Value 500mA.That is, in this case, by the charging current of progress constant-current charge from 1000mA reduction 500mA, and with
Charging current value 500mA after reduction carries out constant-current charge.
It should be noted that in the present embodiment, the maximum of the charging current during constant-current charge can also be entered
Row limitation, specific operating method are that the step of charging current by constant-current charge lifts the first preset value also includes:Sentence
Whether the charging current of disconnected constant-current charge is less than or equal to current threshold, if so, the charging current of constant-current charge then is lifted into the
One preset value.
That is, during needing the charging current to constant-current charge to be adjusted, especially lifting is needed to fill
When electric current, judge whether the charging current value of constant-current charge is less than or equal to current threshold, current threshold is to set
Charging current higher limit, if being less than, just charging current is adjusted, if being more than, directly using current threshold as charging
Current value carries out constant-current charge.
In the present embodiment, optional step also includes, by the charging current of constant-current charge lifted the first preset value it
Also include afterwards, judge whether the charging current after the lifting is more than current threshold, if so, then using current threshold as charging electricity
Flow valuve.
By above-mentioned steps, the maximum of the charging current of constant-current charge can be limited within limits, so that
The power of adapter can be caused also to control within the scope of certain, avoid the failure of the adapter caused by power is excessive.
Further, in the present embodiment, in above-mentioned steps S104:During constant-current charge periodic detection charging voltage it
Afterwards, the above method also includes step:Judge whether the charging voltage is more than or equal to the first voltage threshold value, if so, then
Constant-voltage charge is carried out according to the first voltage threshold value.
Constant-voltage charge is keeps certain charging voltage, and charging current is with the change of the state-of-charge of battery, automaton
Charging current is levied, can guarantee that the fully charged of battery.In the present embodiment, set in advance higher than a certain in the voltage of the battery of terminal
In the case of fixed value, it is more to represent its dump energy, and now in order to ensure that charging is complete, constant-voltage charge is carried out to battery.Tool
Body, in the case where the charging voltage got is more than or equal to first voltage threshold value, using first voltage threshold value to terminal
Battery carries out constant-voltage charge.
For example, first voltage threshold value is 5V, and in the case where cell voltage is not less than 5V, the electricity with 5V voltage to terminal
Pond carries out constant-voltage charge, until charging complete.
In addition, for solve adapter in conventional art mentioned above or portable power source because during charging with
The increase of charging process voltage can not adaptively change charging current, the technical problem of existing poor compatibility, in this implementation
In example, a kind of device for preventing that adapter or portable power source disconnect in charging process is additionally provided.
Specifically, as shown in Fig. 2 the above-mentioned device for preventing that adapter or portable power source disconnect in charging process includes first
Module 102, the second module 104 and the 3rd module 106, wherein:
First module, for obtaining charging voltage, when the charging voltage is less than or equal to first voltage threshold value, carry out
Constant-current charge;
Second module, for the periodic detection charging voltage during constant-current charge;
3rd module, for when detecting that charging voltage is more than or equal to second voltage threshold value, by filling for constant-current charge
The electric preset value of current boost first.
Optionally, it is above-mentioned to prevent that adapter or portable power source disconnect in charging process as shown in Fig. 2 in the present embodiment
Device also include the 4th module 108, for when detecting that charging voltage is less than the second voltage threshold value, by constant-current charge
Charging current reduce the second preset value.
Optionally, it is above-mentioned to prevent that adapter or portable power source disconnect in charging process as shown in Fig. 2 in the present embodiment
Device also include the 5th module 110, for judging whether the charging voltage is more than or equal to the first voltage threshold value, if
It is that constant-voltage charge is then carried out according to the first voltage threshold value.
Optionally, in the present embodiment, the 3rd module 106 is additionally operable to:Judge constant-current charge charging current whether
Less than or equal to current threshold, if so, the charging current of constant-current charge then is lifted into the first preset value.
Optionally, in the present embodiment, the second voltage threshold value is 4.5V, and first module 102 is additionally operable to:With
Charging currents of the 500mA as the constant-current charge.
Implement the embodiment of the present invention, will have the advantages that:
After employing the above-mentioned method and device for preventing adapter in charging process or portable power source from disconnecting, to terminal
In battery charged during, can according to the dump energy of the size of cell voltage or battery number, it is determined that carrying out
The size of the charging current of charging, and self-adapting detecting, after cell voltage increases, phase regularly are carried out to cell voltage
Answer ground to be adjusted charging current, improve the charging current to be charged so that the charging current of charging and the electricity of battery
It is matching, and has reasonably planned the power of adapter, it is defeated beyond its avoids the electricity that adapter exports in charging process
Output capacity, cause the phenomenon of overload to occur, reduce the charging occurred by overload and disconnect phenomenon, improving adapter can move
The compatibility of power supply, improves Consumer's Experience.
In this manual, identical embodiment must be directed to or show by the schematic representation of above-mentioned term being not necessarily
Example.Moreover, specific features, structure, material or the feature of description can close in any one or more embodiments or example
Suitable mode combines.In addition, in the case of not conflicting, those skilled in the art can be by described in this specification
Different embodiments or example and the feature of different embodiments or example are combined and combined.Those skilled in the art can be with
Different embodiments described in this specification and the feature of different embodiments are combined and combined.All implementations of the present invention
Module or unit in example, can pass through universal integrated circuit, such as CPU (Central Processing Unit, centre
Manage device), or realized by ASIC (Application Specific Integrated Circuit, application specific integrated circuit).
Step in all embodiments of the invention method can be sequentially adjusted, merged and deleted according to actual needs;Institute of the present invention
There are the module in embodiment device or unit can be combined, divided and deleted according to actual needs.In flow chart or herein
Any process or method description described otherwise above is construed as, and expression includes one or more for realizing spy
Module, fragment or the part of the code of the executable instruction for the step of determining logic function or process, and the preferred reality of the present invention
Applying the scope of mode includes other realization, wherein order that is shown or discussing can not be pressed, including according to involved work(
Can by it is basic and meanwhile in the way of or in the opposite order, carry out perform function, this should be by embodiments of the invention art
Technical staff understood.Represent in flow charts or logic and/or step described otherwise above herein, for example, can be with
It is considered as the order list for realizing the executable instruction of logic function, may be embodied in any computer-readable Jie
In matter, for instruction execution system, device or equipment (such as computer based system including the system of processor or other can
With from the system of instruction execution system, device or equipment instruction fetch and execute instruction) use, or perform system with reference to these instructions
System, device or equipment and use.
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method carries
Suddenly it is that by program the hardware of correlation can be instructed to complete, described program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.In addition, in each embodiment of the present invention
In each functional unit can be integrated in a processing module or unit is individually physically present, can also two
Individual or two or more unit is integrated in a module.Above-mentioned integrated module can both be realized in the form of hardware, also may be used
Realized in the form of using software function module.If the integrated module realized in the form of software function module and as
Independent production marketing in use, can also be stored in a computer read/write memory medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..Although have been shown and retouch above
Embodiments of the invention are stated, it is to be understood that above-described embodiment is exemplary, it is impossible to be interpreted as the limit to the present invention
System, one of ordinary skill in the art can be changed to above-described embodiment, change, replace and become within the scope of the invention
Type.
The above disclosed right for being only presently preferred embodiments of the present invention, the present invention can not being limited with this certainly
Scope, one of ordinary skill in the art will appreciate that all or part of flow of above-described embodiment is realized, and according to right of the present invention
It is required that the equivalent variations made, still fall within and invent covered scope.
Claims (4)
- A kind of 1. method for preventing that adapter or portable power source disconnect in charging process, it is characterised in that including:Charging voltage is obtained, when the charging voltage is less than first voltage threshold value, carries out constant-current charge, the first voltage threshold It is worth for 5V;Judge whether the charging voltage is more than or equal to the first voltage threshold value, if so, then according to the first voltage threshold Value carries out constant-voltage charge;Charging voltage was detected every 15 minutes during constant-current charge, is detecting that charging voltage is more than or equal to second voltage During threshold value, the charging current of constant-current charge is lifted into the first preset value, the second voltage threshold value is 4.5V;Judge whether the charging current after lifting is more than current threshold, if so, then being carried out by charging current value of current threshold Constant-current charge, first preset value are 400mA.
- 2. the method according to claim 1 for preventing that adapter or portable power source disconnect in charging process, it is characterised in that It is described also to include after the step of 15 minutes detection charging voltages during constant-current charge:When detecting that charging voltage is less than the second voltage threshold value, the charging current of constant-current charge is reduced by second and preset Value.
- A kind of 3. device for preventing that adapter or portable power source disconnect in charging process, it is characterised in that including:First module, for obtaining charging voltage, when the charging voltage is less than first voltage threshold value, constant-current charge is carried out, The first voltage threshold value is 5V;5th module, for judging whether the charging voltage is more than or equal to the first voltage threshold value, if so, then according to institute State first voltage threshold value and carry out constant-voltage charge;Second module, for detecting charging voltage every 15 minutes during constant-current charge;3rd module, for when the second module detects that charging voltage is more than or equal to second voltage threshold value, by constant-current charge Charging current lifted the first preset value, the second voltage threshold value is 4.5V;Judge whether the charging current after lifting is big In current threshold, if so, then carrying out constant-current charge by charging current value of current threshold, first preset value is 400mA.
- 4. the device according to claim 3 for preventing that adapter or portable power source disconnect in charging process, it is characterised in that Described device also includes the 4th module, for when the second module detects that charging voltage is less than the second voltage threshold value, inciting somebody to action The charging current of constant-current charge reduces the second preset value.
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CN106329624B (en) * | 2016-08-31 | 2018-11-13 | 福建联迪商用设备有限公司 | A kind of intelligent charging method and system |
WO2020061983A1 (en) * | 2018-09-28 | 2020-04-02 | 深圳市柔宇科技有限公司 | Charge control method and electronic device |
CN110380476A (en) * | 2019-07-17 | 2019-10-25 | 闻泰科技(无锡)有限公司 | Charge control method, device, equipment and storage medium |
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