CN105449757A - Method and device for preventing adapter or mobile power supply from being powered off in charging process - Google Patents
Method and device for preventing adapter or mobile power supply from being powered off in charging process Download PDFInfo
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- CN105449757A CN105449757A CN201510884560.2A CN201510884560A CN105449757A CN 105449757 A CN105449757 A CN 105449757A CN 201510884560 A CN201510884560 A CN 201510884560A CN 105449757 A CN105449757 A CN 105449757A
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Abstract
The embodiment of the invention discloses a method for preventing an adapter or a mobile power supply from being powered off in a charging process. The method comprises the following steps: obtaining a charging voltage, and carrying out constant-current charging when the charging voltage is smaller than or equal to a first voltage threshold; periodically detecting the charging voltage in the constant-current charging process; and lifting the constant-current charging current to a first preset value when detecting that the charging voltage is greater than or equal to a second voltage threshold. The embodiment of the invention further correspondingly discloses a device for preventing the adapter or the mobile power supply from being powered off in the charging process. According to the method and the device for preventing the adapter or the mobile power supply from being powered off in the charging process, an overload phenomenon of a terminal along with rise of a battery voltage of a mobile phone in the charging process can be prevented; a charging power-off phenomenon caused by an overload is reduced; and the user experience is improved.
Description
Technical field
The present invention relates to field of computer technology, particularly relate to a kind of method and the device that prevent adapter or portable power source disconnection in charging process.
Background technology
Portable electric appts now, such as mobile phone, portable electronic device, notebook computer, panel computer etc., normally by rechargeable battery powered or directly powered by socket.In general, these portable electric appts have supporting power supply adaptor, for the alternating current of high pressure being converted to the direct current of mortgage and being supplied to electronic equipment and using, thus make electronic equipment to work under desirable preset voltage value or to charge, to prevent from directly using common household electricity to cause the phenomenon of overload.
In the conventional technology, adapter on the market/portable power source quality is uneven, cell phone manufacturer in order to adaptive they, on adapter connects after mobile phone, mobile phone terminal all can do current automatic adaptation, the load capacity of test adaptor, preserves this value after having detected, after continue to use this optimum configurations electric current.
For adapter/portable power source that some qualities are very poor, when mobile phone battery is pressed in 3.6V, it can provide the output current of 1200mA, but when cell voltage reaches 4.1V, if also with the current charges of 1200mA, adapter needs the power provided to be 4.1V*1.2A/88% (efficiency)=5.6W, may cause overload, cause unexpected disconnection of charging, affect Consumer's Experience.
That is, adapter of the prior art or portable power source in the process of charging along with the increase of charging process voltage, can not adaptively modifying charging current, easily cause the generation of the phenomenon of overload, there is the problem of poor compatibility.
Summary of the invention
Based on this, for solve adapter in the above-mentioned conventional art mentioned or portable power source because of in the process of charging along with the increase of charging process voltage cannot adaptively modifying charging current, the technical problem of the poor compatibility existed, spy provides and prevents the method that in charging process, adapter or portable power source disconnect.
Prevent the method that in charging process, adapter or portable power source disconnect, comprising:
Obtain charging voltage, when described charging voltage is less than or equal to the first voltage threshold, carry out constant current charge;
Periodic detection charging voltage in constant current charge process;
When detecting that charging voltage is more than or equal to the second voltage threshold, the charging current of constant current charge is promoted the first preset value.
Optionally, also comprise after the step of described periodic detection charging voltage in constant current charge process:
When detecting that charging voltage is less than described second voltage threshold, the charging current of constant current charge is reduced the second preset value.
Optionally, also comprise after the step of described periodic detection charging voltage in constant current charge process:
Judge whether described charging voltage is more than or equal to described first voltage threshold, if so, then carry out constant voltage charge according to described first voltage threshold.
Optionally, the step that the described charging current by constant current charge promotes the first preset value also comprises:
Judge whether the charging current of constant current charge is less than or equal to current threshold, if so, then the charging current of constant current charge is promoted the first preset value.
Optionally, described second voltage threshold is 4.5V, and described when described charging voltage is less than or equal to the first voltage threshold, the step of carrying out constant current charge is:
Charging current using 500mA as described constant current charge.
In addition, for solve adapter in the above-mentioned conventional art mentioned or portable power source because of in the process of charging along with the increase of charging process voltage cannot adaptively modifying charging current, the technical problem of the poor compatibility existed, spy provides a kind of device preventing adapter or portable power source disconnection in charging process.
Prevent the device that in charging process, adapter or portable power source disconnect, comprising:
First module, for obtaining charging voltage, when described charging voltage is less than or equal to the first voltage threshold, carries out constant current charge;
Second module, for periodic detection charging voltage in constant current charge process;
3rd module, for when detecting that charging voltage is more than or equal to the second voltage threshold, promotes the first preset value by the charging current of constant current charge.
Optionally, described device also comprises four module, for when detecting that charging voltage is less than described second voltage threshold, the charging current of constant current charge is reduced the second preset value.
Optionally, described device also comprises the 5th module, for judging whether described charging voltage is more than or equal to described first voltage threshold, if so, then carries out constant voltage charge according to described first voltage threshold.
Optionally, described 3rd module also for: judge whether the charging current of constant current charge is less than or equal to current threshold, if so, then the charging current of constant current charge is promoted the first preset value.
Optionally, stating the second voltage threshold is 4.5V, and described first module is also for the charging current using 500mA as described constant current charge.
Implement the embodiment of the present invention, following beneficial effect will be had:
Have employed above-mentioned prevent adapter in charging process or portable power source from disconnecting method and device after, in the process that the battery in terminal is charged, can according to the size of cell voltage or the dump energy of battery number, determine the size of carrying out the charging current of charging, and termly self-adapting detecting is carried out to cell voltage, after cell voltage increases, correspondingly charging current is adjusted, improve the charging current of carrying out charging, the charging current of charging is mated with the electricity of battery, and reasonably planned the power of adapter, avoid the electricity that in charging process, adapter exports and exceed its fan-out capability, the phenomenon of overload is caused to occur, decrease the charging occurred because of overload and disconnect phenomenon, improve the compatibility of adapter meeting portable power source, improve Consumer's Experience.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Wherein:
Fig. 1 is a kind of schematic flow sheet preventing the method that adapter or portable power source disconnect in charging process in an embodiment;
Fig. 2 is a kind of structural representation preventing the device that adapter or portable power source disconnect in charging process in an embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
For solve adapter in the above-mentioned conventional art mentioned or portable power source because of in the process of charging along with the increase of charging process voltage cannot adaptively modifying charging current, the technical problem of the poor compatibility existed, in the present embodiment, spy provides a kind of method preventing adapter or portable power source disconnection in charging process, the method can be dependent on computer program, can run in the computer system based on von Neumann system.This computer program is the driver of the charging in terminal.This computer system can be use adapter or portable power source to carry out charging smart mobile phone, panel computer, palmtop PC, notebook computer or other need to use adapter or portable power source to carry out the terminal equipment charged.
Concrete, this prevents the method for adapter or portable power source disconnection in charging process as shown in Figure 1, comprises the steps:
Step S102: obtain charging voltage, when described charging voltage is less than or equal to the first voltage threshold, carry out constant current charge.
After terminal Payload attach fitting, in order to determine pattern and the charge parameter of the current charging of terminal, need to limit the charging voltage in charging process and charging current.
Charging voltage refers to the voltage that adapter exports after conversion, is also the voltage that terminal detects from the junction with adapter.For the battery of terminal, become positive correlation at its battery electric quantity with voltage, that is, when electricity is not enough, its voltage also can reduce because of the deficiency of electricity.Therefore, when charging voltage is lower, carry out constant current charge to the battery of terminal, constant current charge can according to the size of the capacity determination charging current of battery, thus make battery use less charging current to charge when low electricity, ensure the safety of charging.
In the present embodiment, the voltage max that a battery carries out constant current charge is set during the first voltage threshold, such as can arrange the deboost that the first voltage threshold is battery, also can be arrange a maximum voltage carrying out constant current charge mated with battery according to the design parameter of battery.
Step S104: periodic detection charging voltage in constant current charge process.
Step S106: when detecting that charging voltage is more than or equal to the second voltage threshold, promotes the first preset value by the charging current of constant current charge.
Along with the carrying out of terminal charge, the cell voltage of terminal can increase, so need to detect charging voltage, when its charging voltage changes, needs to adjust charging current or charge mode.Concrete, in the present embodiment, in the process of constant current charge, according to the cycle of presetting, charging voltage is detected, such as, every 15 minutes battery detecting once its charging voltages to the terminal in charging, and the charging voltage value detected can be obtained.
According to the charging voltage value got, judge whether this charging voltage value is greater than or equal to the second voltage threshold, that is, whether the voltage of the battery of sense terminals is along with the carrying out of charging, whether its cell voltage has risen the second voltage threshold, if so, then illustrates and continues to use original charging current to charge to end cell, slowing of charging can be caused, need to improve corresponding charging current.In the present embodiment, when charging voltage rises to the second voltage threshold, charging current is promoted the first preset value, the first voltage preset during the first preset value increases variate-value, thus charging current is increased, and the speed of charging accelerates.
Optionally, in the present embodiment, in step S104: in constant current charge process after periodic detection charging voltage, said method also comprises: when detecting that charging voltage is less than described second voltage threshold, the charging current of constant current charge is reduced the second preset value.
In the step S102 of the present embodiment, when charging voltage is less than or equal to the first preset value, can carry out constant current charge, and the charging current of constant current charge is determined to terminal, this charging current may exist and arranges too high problem; Or in the process of charging, the battery of terminal is still in discharge condition, and discharge electricity amount is greater than charge capacity, the voltage that just may there is battery can not raise, the phenomenon that can reduce on the contrary along with the carrying out of charging.For these reasons, in the process that the battery of terminal is charged, there is the situation needing to reduce charging current.
Concrete, after getting charging voltage, judge whether this charging voltage is less than the second voltage threshold, if so, then reduce the charging current in constant current charge process, and the amplitude reduced is for reduce the second preset value by charging current.
Such as, in one embodiment, can arrange the first voltage threshold is 5V, when charging voltage is less than 5V, carries out constant current charge to end cell.Further, can also arrange the initial charge current of carrying out constant current charge is 500mA.Further, the second voltage threshold can also being set as 4.5V, if the first preset value is 400mA, that is, when detecting that charging voltage is more than or equal to 4.5V, charging current being promoted 400mA.If current charging current is 500mA, then detecting that charging voltage is 4.6V>4.5V, now the charging current of carrying out constant current charge being promoted 400mA to 900mA from 500mA, that is, is that charging current carries out constant current charge with 900mA.
Again such as, in one embodiment, the current charging current of battery is 1000mA, when detecting that charging voltage is 4.0V and is less than the second voltage threshold 4.5V, according to the rule of default settings, charging current is reduced the second preset value 500mA.That is, in such cases, the charging current of carrying out constant current charge is reduced 500mA from 1000mA, and carry out constant current charge with the charging current value 500mA after reducing.
It should be noted that, in the present embodiment, can also limit the maximum of the charging current in constant current charge process, concrete method of operation is, the step that the described charging current by constant current charge promotes the first preset value also comprises: judge whether the charging current of constant current charge is less than or equal to current threshold, if so, then the charging current of constant current charge is promoted the first preset value.
That is, needing in the process that the charging current of constant current charge is adjusted, when especially needing raising charging current, judge whether the charging current value of constant current charge is less than or equal to current threshold, current threshold is the higher limit of the charging current of setting, if be less than, just adjusts charging current, if be greater than, then direct is that charging current value carries out constant current charge with current threshold.
In the present embodiment, optional step also comprises, and also comprises after the charging current of constant current charge is promoted the first preset value, judges whether the charging current after described lifting is greater than current threshold, is if so, then charging current value with current threshold.
Through above-mentioned steps, can by the restriction of the maximum of the charging current of constant current charge within limits, thus the power of adapter can be made also to control within certain scope, avoid the fault causing adapter because power is excessive.
Further, in the present embodiment, at above-mentioned steps S104: in constant current charge process after periodic detection charging voltage, said method also comprises step: judge whether described charging voltage is more than or equal to described first voltage threshold, if so, then constant voltage charge is carried out according to described first voltage threshold.
Constant voltage charge is keep certain charging voltage, and charging current is along with the change of the state-of-charge of battery, and automatic sign charging current, can ensure the charging completely of battery.In the present embodiment, when the voltage of the battery of terminal is higher than a certain value preset, represent its dump energy more, now in order to ensure that charging completely, carries out constant voltage charge to battery.Concrete, when the charging voltage got is more than or equal to the first voltage threshold, use the first voltage threshold to carry out constant voltage charge to end cell.
Such as, the first voltage threshold is 5V, when cell voltage is not less than 5V, carries out constant voltage charge with the voltage of 5V to the battery of terminal, until charging complete.
In addition, for solve adapter in the above-mentioned conventional art mentioned or portable power source because of in the process of charging along with the increase of charging process voltage cannot adaptively modifying charging current, the technical problem of the poor compatibility existed, in the present embodiment, a kind of device preventing adapter or portable power source disconnection in charging process is additionally provided.
Concrete, as shown in Figure 2, the above-mentioned device of adapter or portable power source disconnection in charging process that prevents comprises the first module 102, second module 104 and the 3rd module 106, wherein:
First module, for obtaining charging voltage, when described charging voltage is less than or equal to the first voltage threshold, carries out constant current charge;
Second module, for periodic detection charging voltage in constant current charge process;
3rd module, for when detecting that charging voltage is more than or equal to the second voltage threshold, promotes the first preset value by the charging current of constant current charge.
Optionally, as shown in Figure 2, in the present embodiment, the above-mentioned device of adapter or portable power source disconnection in charging process that prevents also comprises four module 108, for when detecting that charging voltage is less than described second voltage threshold, the charging current of constant current charge is reduced the second preset value.
Optionally, as shown in Figure 2, in the present embodiment, the above-mentioned device of adapter or portable power source disconnection in charging process that prevents also comprises the 5th module 110, for judging whether described charging voltage is more than or equal to described first voltage threshold, if so, then constant voltage charge is carried out according to described first voltage threshold.
Optionally, in the present embodiment, described 3rd module 106 also for: judge whether the charging current of constant current charge is less than or equal to current threshold, if so, then the charging current of constant current charge is promoted the first preset value.
Optionally, in the present embodiment, described second voltage threshold is 4.5V, and described first module 102 is also for the charging current using 500mA as described constant current charge.
Implement the embodiment of the present invention, following beneficial effect will be had:
Have employed above-mentioned prevent adapter in charging process or portable power source from disconnecting method and device after, in the process that the battery in terminal is charged, can according to the size of cell voltage or the dump energy of battery number, determine the size of carrying out the charging current of charging, and termly self-adapting detecting is carried out to cell voltage, after cell voltage increases, correspondingly charging current is adjusted, improve the charging current of carrying out charging, the charging current of charging is mated with the electricity of battery, and reasonably planned the power of adapter, avoid the electricity that in charging process, adapter exports and exceed its fan-out capability, the phenomenon of overload is caused to occur, decrease the charging occurred because of overload and disconnect phenomenon, improve the compatibility of adapter meeting portable power source, improve Consumer's Experience.
In this manual, not necessarily must for identical embodiment or example to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.The feature of the different embodiment described in this specification and different embodiment can carry out combining and combining by those skilled in the art.Module in all embodiments of the present invention or unit, universal integrated circuit can be passed through, such as CPU (CentralProcessingUnit, central processing unit), or realized by ASIC (ApplicationSpecificIntegratedCircuit, application-specific integrated circuit (ASIC)).Step in all embodiment methods of the present invention can be carried out order according to actual needs and be adjusted, merges and delete; Module in all embodiment device of the present invention or unit can carry out merging, divide and deleting according to actual needs.Describe and can be understood in flow chart or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be read-only memory, disk or CD etc.Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Above disclosedly be only preferred embodiment of the present invention, certainly the interest field of the present invention can not be limited with this, one of ordinary skill in the art will appreciate that all or part of flow process realizing above-described embodiment, and according to the equivalent variations that the claims in the present invention are done, still belong to the scope that invention is contained.
Claims (10)
1. prevent the method that in charging process, adapter or portable power source disconnect, it is characterized in that, comprising:
Obtain charging voltage, when described charging voltage is less than or equal to the first voltage threshold, carry out constant current charge;
Periodic detection charging voltage in constant current charge process;
When detecting that charging voltage is more than or equal to the second voltage threshold, the charging current of constant current charge is promoted the first preset value.
2. the method preventing adapter or portable power source disconnection in charging process according to claim 1, is characterized in that, also comprise after the step of described periodic detection charging voltage in constant current charge process:
When detecting that charging voltage is less than described second voltage threshold, the charging current of constant current charge is reduced the second preset value.
3. the method preventing adapter or portable power source disconnection in charging process according to claim 1, is characterized in that, also comprise after the step of described periodic detection charging voltage in constant current charge process:
Judge whether described charging voltage is more than or equal to described first voltage threshold, if so, then carry out constant voltage charge according to described first voltage threshold.
4. the method preventing adapter or portable power source disconnection in charging process according to claim 1, it is characterized in that, the step that the described charging current by constant current charge promotes the first preset value also comprises:
Judge whether the charging current of described constant current charge is less than or equal to current threshold, if so, then the charging current of described constant current charge is promoted the first preset value.
5. the method preventing adapter or portable power source disconnection in charging process according to claim 1, it is characterized in that, described second voltage threshold is 4.5V, and described when described charging voltage is less than or equal to the first voltage threshold, the step of carrying out constant current charge is:
Charging current using 500mA as described constant current charge.
6. prevent the device that in charging process, adapter or portable power source disconnect, it is characterized in that, comprising:
First module, for obtaining charging voltage, when described charging voltage is less than or equal to the first voltage threshold, carries out constant current charge;
Second module, for periodic detection charging voltage in constant current charge process;
3rd module, for when detecting that charging voltage is more than or equal to the second voltage threshold, promotes the first preset value by the charging current of constant current charge.
7. the device preventing adapter or portable power source disconnection in charging process according to claim 6, it is characterized in that, described device also comprises four module, for when detecting that charging voltage is less than described second voltage threshold, the charging current of constant current charge is reduced the second preset value.
8. the device preventing adapter or portable power source disconnection in charging process according to claim 6, it is characterized in that, described device also comprises the 5th module, for judging whether described charging voltage is more than or equal to described first voltage threshold, if so, then constant voltage charge is carried out according to described first voltage threshold.
9. the device preventing adapter or portable power source disconnection in charging process according to claim 6, it is characterized in that, described 3rd module also for: judge whether the charging current of described constant current charge is less than or equal to current threshold, if so, then the charging current of described constant current charge is promoted the first preset value.
10. the device preventing adapter in charging process or portable power source from disconnecting according to claim 6, it is characterized in that, described second voltage threshold is 4.5V, and described first module is also for the charging current using 500mA as described constant current charge.
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| CN111869036A (en) * | 2018-09-28 | 2020-10-30 | 深圳市柔宇科技股份有限公司 | Charging 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 |
| CN111271215A (en) * | 2020-02-18 | 2020-06-12 | 唐山鼎信电器仪表工程有限公司 | Overload protection method for hydroelectric generating set |
| CN111551862A (en) * | 2020-04-30 | 2020-08-18 | 珠海智融科技有限公司 | Method for measuring amount of electricity of battery, computer device, and computer-readable storage medium |
| CN111551862B (en) * | 2020-04-30 | 2021-02-19 | 珠海智融科技有限公司 | Method for measuring amount of electricity of battery, computer device, and computer-readable storage medium |
| CN112072196A (en) * | 2020-09-11 | 2020-12-11 | 罗福英 | Quick charging method and device for lithium ion battery |
| CN112531829A (en) * | 2020-11-26 | 2021-03-19 | Oppo广东移动通信有限公司 | Charging detection circuit, display screen and charging system |
| CN113851745A (en) * | 2021-09-29 | 2021-12-28 | 东莞新能安科技有限公司 | Battery cell charging control method, battery pack and parallel operation system |
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