CN103199582B - Charging current method of adjustment and device - Google Patents
Charging current method of adjustment and device Download PDFInfo
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- CN103199582B CN103199582B CN201310101841.7A CN201310101841A CN103199582B CN 103199582 B CN103199582 B CN 103199582B CN 201310101841 A CN201310101841 A CN 201310101841A CN 103199582 B CN103199582 B CN 103199582B
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Abstract
The invention discloses a kind of charging current method of adjustment and device, described method comprises: obtain charger and be input to by the charging current value of charging device; Obtaining is input to by the cell current value of charging device battery; Difference according to described charging current value and described cell current value obtains by the current sinking value of charging device; Obtain adjustment charging current value according to described current sinking value, charging current is set as adjust charging current value.The present invention charges with large charging current again while can effectively avoiding portable terminal to run the application of high power consumption, further avoid large current sinking and large charging current mutually add up introduce generated heat by charging device, the problem such as deadlock.
Description
Technical field
The present invention relates to intelligent charge technique, particularly relate to a kind of charging current method of adjustment and device.
Background technology
Along with the rise of smart mobile phone and the development of mobile Internet, the microprocessor dominant frequency, display resolution, camera pixel etc. of mobile terminal device are more and more higher, directly cause the power consumption of equipment increasing, and user usually need to use mobile terminal device while charging.
At present, be roughly divided into trickle, constant current and constant voltage three phases by the charging process of charging device, what the rising of device battery electricity was the fastest is constant-current charging phase, and charger exports the electric current of fixed value to portable terminal, until the state that battery will be full of.If charged to the terminal equipment running high power consumption application (such as: play games, make a video recording, browsing page, online displaying video etc.), now portable terminal runs high power consumption and applies the current sinking produced and be superimposed with charging current, the sharply rising of the battery of portable terminal, CPU and PMU (Power Management Unit) temperature can be caused, cause portable terminal hot.Mobile terminal device at high temperature works and there will be various abnormal conditions, such as: crash, restart.
Summary of the invention
The object of the invention is to propose a kind of charging current method of adjustment and device, avoid the phenomenon occurring the electric current excessive heating caused when using mobile terminal device while charging.
The invention discloses a kind of charging current method of adjustment, comprising:
Obtaining charger is input to by the charging current value of charging device;
Obtaining is input to by the cell current value of charging device battery;
Difference according to described charging current value and described cell current value obtains by the current sinking value of charging device;
Obtain adjustment charging current value according to described current sinking value, charging current is set as adjust charging current value.
Preferably, describedly obtain adjustment charging current value according to described current sinking value and comprise:
Inquire about to obtain adjust charging current value according to the mapping relations of the current sinking value preset with adjustment charging current value.
Preferably, describedly obtain adjustment charging current value according to described current sinking value and comprise:
Current sinking value according at least two cycles calculates average consumed cur-rent value;
Inquire about to obtain adjust charging current value according to the mapping relations of the average consumed cur-rent value preset with adjustment charging current value.
Preferably, described acquisition charger is input to by the charging current value of charging device is that charger of periodically sampling is input to by the charging current value of charging device;
It is the cell current value be input to by charging device battery of periodically sampling that described acquisition is input to by the cell current value of charging device battery.
The invention also discloses a kind of charging current adjusting device, comprising:
Charging current detecting unit, is input to by the charging current value of charging device for obtaining charger;
Battery current detecting unit, for obtaining the cell current value be input to by charging device battery;
Current sinking computing unit, obtains by the current sinking value of charging device for the difference according to described charging current value and described cell current value;
Adjustment unit, for obtaining adjustment charging current value according to described current sinking value, is set as charging current adjusting charging current value.
Preferably, described adjustment unit adjusts charging current value for inquiring about to obtain according to the mapping relations of the current sinking value preset and adjustment charging current value.
Preferably, described adjustment unit comprises:
Mean value calculation subelement, calculates average consumed cur-rent value for the current sinking value according at least two cycles;
Adjustment charging current acquiring unit, adjusts charging current value for inquiring about to obtain according to the mapping relations of the average consumed cur-rent value preset and adjustment charging current value.
Preferably, described charging current detecting unit is input to by the charging current value of charging device for charger of periodically sampling;
Described battery current detecting unit is used for periodically sampling and is input to by the cell current value of charging device battery.
The present invention is by computing equipment current sinking, be input to by the charging current of charging device according to the size dynamic conditioning of current sinking, charge with large charging current again while can effectively avoiding portable terminal to run the application of high power consumption, further avoid large current sinking and large charging current mutually add up introduce generated heat by charging device, the problem such as deadlock.
Accompanying drawing explanation
Fig. 1 is the flow chart of the charging current method of adjustment of first embodiment of the invention;
Fig. 2 is the flow chart of the charging current method of adjustment of second embodiment of the invention;
Fig. 3 is the schematic diagram of the charging current adjusting device of third embodiment of the invention.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
Fig. 1 is the flow chart of the charging current method of adjustment of first embodiment of the invention.As shown in Figure 1, described method comprises:
Step 110, acquisition charger are input to by the charging current value of charging device.
Step 120, acquisition are input to by the cell current value of charging device battery.
In an embodiment of the present embodiment, timer can be set with charging current value and the cell current value of periodically sampling.As mentioned above, charging current value described in the present embodiment is that charger is input to by the current value of charging device, its part is input to battery to charge (this part is called as cell current value) to battery, and another part is for being supplied to by other parts of charging device to support that it runs.
In the prior art, due to constant at constant-current phase charging current value, when being risen by the power consumption of charging device, its electric current consumed also rises, and thus, charging current superposes with higher power consumption electric current and system unit can be caused to generate heat, and easily breaks down.Thus, the present embodiment carrys out current sinking value corresponding to watch-dog power consumption according to charging current value and cell current value, avoids the situation occurring that high power consumption electric current superposes with constant charge current.
Step 130, to obtain by the current sinking value of charging device according to the difference of described charging current value and described cell current value.
Current sinking value is also the current value that the current operation of equipment consumes, and it is directly related with the power consumption of equipment.
The current sinking value that step 140, basis are preset is inquired about to obtain with the mapping relations of adjustment charging current value and is adjusted charging current value, charging current is set as adjusting charging current value.
In the present embodiment, arrange current sinking value and the mapping relations of adjustment charging current value according to electric current adjustable strategies in advance, such as, be arranged so that current sinking value is larger, adjustment charging current value is less, thus, ensures that charging current can not be excessive.
Certainly, it will be appreciated by those skilled in the art that, except the predetermined mapping relations table of employing carries out inquiring about except these means, can also according to test matching obtain empirical equation set up current sinking value and adjustment charging current value between contacting, based on current sinking value rule of thumb formula calculate obtain adjustment charging current value.
In addition, also can utilize adjustment algorithm, such as, determine whether to add or deduct a predetermined threshold to obtain adjustment current value to current charging current relative to the changing value of upper one-period according to current sinking value.
To sum up, any acquisition according to current sinking value adjusts charging current value, and to make when current sinking value significantly raises, adjustment charging current value keeps stable method all to can be used for the present embodiment, to realize the technique effect of the present embodiment.
The present embodiment is by computing equipment current sinking, be input to by the charging current of charging device according to the size dynamic conditioning of current sinking, charge with large charging current again while can effectively avoiding portable terminal to run the application of high power consumption, further avoid large current sinking and large charging current mutually add up introduce generated heat by charging device, the problem such as deadlock.
Fig. 2 is the flow chart of the charging current method of adjustment of second embodiment of the invention.As shown in Figure 2, described method comprises:
Step 210, acquisition charger are input to by the charging current value of charging device.
Step 220, acquisition are input to by the cell current value of charging device battery.
In an embodiment of the present embodiment, timer can be set with charging current value and the cell current value of periodically sampling.As mentioned above, charging current value described in the present embodiment is that charger is input to by the current value of charging device, its part is input to battery to charge (this part is called as cell current value) to battery, and another part is for being supplied to by other parts of charging device to support that it runs.
Step 230, to obtain by the current sinking value of charging device according to the difference of described charging current value and described cell current value.
Current sinking value is also the current value that the current operation of equipment consumes, and it is directly related with the power consumption of equipment.
The calculating average consumed cur-rent value of step 240, the current sinking value at least two cycles of basis.
The average consumed cur-rent value that step 250, basis are preset is inquired about to obtain with the mapping relations of adjustment charging current value and is adjusted charging current value, charging current is set as adjusting charging current value.
In an embodiment of the present embodiment, the current sinking value that top n cycle (N is positive integer) and this cycle calculate can be got arithmetic average and calculate average consumed cur-rent value, obtain adjustment charging current value according to average consumed cur-rent value.
Certainly, it will be appreciated by those skilled in the art that, except the predetermined mapping relations table of employing carries out inquiring about except these means, can also according to test matching obtain empirical equation set up current sinking value and adjustment charging current value between contacting, based on current sinking value rule of thumb formula calculate obtain adjustment charging current value.
In addition, also can utilize adjustment algorithm, such as, determine whether to add or deduct a predetermined threshold to obtain adjustment current value to current charging current relative to the changing value of upper one-period according to current sinking value.
To sum up, any acquisition according to current sinking value adjusts charging current value, and to make when current sinking value significantly raises, adjustment charging current value keeps stable method all to can be used for the present embodiment, to realize the technique effect of the present embodiment.
The present embodiment by equipment within a period of time the average consumed cur-rent of (at least two sampling periods) be used as the adjustment foundation of charging current, dynamic conditioning charging current, the present invention charges with large charging current again while can effectively avoiding portable terminal to run the application of high power consumption, further avoid large current sinking and large charging current mutually add up introduce generated heat by charging device, the problem such as deadlock.
Fig. 3 is the schematic diagram of the charging current adjusting device of third embodiment of the invention.As shown in Figure 3, charging current adjusting device 30 comprises charging current detecting unit 31, battery current detecting unit 32, current sinking computing unit 33 and adjustment unit 34.
Charging current detecting unit 31 is input to by the charging current value of charging device for obtaining charger; Battery current detecting unit 32 is for obtaining the cell current value be input to by charging device battery; Current sinking computing unit 33 obtains by the current sinking value of charging device for the difference according to described charging current value and described cell current value; Charging current, for obtaining adjustment charging current value according to described current sinking value, is set as adjusting charging current value by adjustment unit 34.
In a preferred implementation of the present embodiment, timer can be set with charging current value and the cell current value of periodically sampling.
In a preferred implementation of the present embodiment, adjustment unit 34 adjusts charging current value for inquiring about to obtain according to the mapping relations of the current sinking value preset and adjustment charging current value.
In another preferred implementation of the present embodiment, adjustment unit 34 comprises mean value calculation subelement 341 and adjustment charging current obtains subelement 342.
Mean value calculation subelement 341 is for the calculating average consumed cur-rent value according to the current sinking value at least two cycles.
Adjustment charging current obtains subelement 342 and adjusts charging current value for inquiring about to obtain according to the mapping relations of the average consumed cur-rent value preset and adjustment charging current value.
Present embodiment adopts average consumed cur-rent value as the foundation of adjustment charging current, avoids the impact of unexpected fluctuation for charging current adjustment stability of current sinking.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of computer installation, thus they storages can be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to the combination of any specific hardware and software.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, to those skilled in the art, the present invention can have various change and change.All do within spirit of the present invention and principle any amendment, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a charging current method of adjustment, comprising:
Obtaining charger is input to by the charging current value of charging device;
Obtaining is input to by the cell current value of charging device battery;
Difference according to described charging current value and described cell current value obtains by the current sinking value of charging device;
Obtain adjustment charging current value according to described current sinking value, charging current is set as adjust charging current value;
Obtain adjustment charging current value according to described current sinking value to comprise:
Inquire about to obtain adjust charging current value according to the mapping relations of the current sinking value preset with adjustment charging current value; Current sinking value is larger, and adjustment charging current value is less.
2. charging current method of adjustment according to claim 1, is characterized in that, describedly obtains adjustment charging current value according to described current sinking value and comprises:
Current sinking value according at least two cycles calculates average consumed cur-rent value.
3. charging current method of adjustment according to claim 1, is characterized in that, it is that charger of periodically sampling is input to by the charging current value of charging device that described acquisition charger is input to by the charging current value of charging device;
It is the cell current value be input to by charging device battery of periodically sampling that described acquisition is input to by the cell current value of charging device battery.
4. a charging current adjusting device, comprising:
Charging current detecting unit, is input to by the charging current value of charging device for obtaining charger;
Battery current detecting unit, for obtaining the cell current value be input to by charging device battery;
Current sinking computing unit, obtains by the current sinking value of charging device for the difference according to described charging current value and described cell current value;
Adjustment unit, for obtaining adjustment charging current value according to described current sinking value, is set as charging current adjusting charging current value;
Described adjustment unit adjusts charging current value for inquiring about to obtain according to the mapping relations of the current sinking value preset and adjustment charging current value; Current sinking value is larger, and adjustment charging current value is less.
5. charging current adjusting device according to claim 4, is characterized in that, described adjustment unit comprises:
Mean value calculation subelement, calculates average consumed cur-rent value for the current sinking value according at least two cycles;
Adjustment charging current acquiring unit, adjusts charging current value for inquiring about to obtain according to the mapping relations of the average consumed cur-rent value preset and adjustment charging current value.
6. charging current adjusting device according to claim 4, is characterized in that, described charging current detecting unit is used for periodically sampling charger and is input to by the charging current value of charging device;
Described battery current detecting unit is used for periodically sampling and is input to by the cell current value of charging device battery.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310101841.7A CN103199582B (en) | 2013-03-27 | 2013-03-27 | Charging current method of adjustment and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310101841.7A CN103199582B (en) | 2013-03-27 | 2013-03-27 | Charging current method of adjustment and device |
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| CN103199582A CN103199582A (en) | 2013-07-10 |
| CN103199582B true CN103199582B (en) | 2016-02-03 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746434B (en) | 2014-01-28 | 2016-04-06 | 广东欧珀移动通信有限公司 | Charging method and system |
| EP3101770B1 (en) | 2014-01-28 | 2019-05-15 | Guangdong Oppo Mobile Telecommunications Corp., Ltd | Power adapter and terminal |
| CN104283264B (en) * | 2014-10-11 | 2017-05-10 | 惠州Tcl移动通信有限公司 | System and method for precisely controlling charging current of mobile terminal |
| CN104539009B (en) * | 2014-12-16 | 2017-06-16 | 小米科技有限责任公司 | charging management method and device |
| CN106451618A (en) * | 2016-09-29 | 2017-02-22 | 宇龙计算机通信科技(深圳)有限公司 | Charging current adjusting method, charging current adjusting device and charging equipment |
| CN109149676B (en) * | 2017-06-27 | 2021-09-24 | 深圳市中兴微电子技术有限公司 | Method and device for controlling charging current |
| CN107516917A (en) * | 2017-07-26 | 2017-12-26 | 努比亚技术有限公司 | Charge control method, terminal, intelligent charge equipment and computer-readable storage medium |
| CN107562166A (en) * | 2017-08-25 | 2018-01-09 | 维沃移动通信有限公司 | Connection method, mobile terminal and the computer-readable recording medium of external equipment |
| CN107681718A (en) * | 2017-09-29 | 2018-02-09 | 惠州Tcl移动通信有限公司 | Charging current control method, terminal and computer-readable recording medium |
| CN113141029A (en) * | 2020-01-17 | 2021-07-20 | Oppo广东移动通信有限公司 | Communication method, earphone charging box and storage medium |
| CN112918314B (en) * | 2021-02-22 | 2022-12-20 | 北京车和家信息技术有限公司 | Vehicle charging current adjusting method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5407684B2 (en) * | 2009-09-10 | 2014-02-05 | 株式会社リコー | Charge control device |
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| CN1293480A (en) * | 1999-10-18 | 2001-05-02 | 神基科技股份有限公司 | Control device and method for changing charge current with system load |
| CN101079553A (en) * | 2003-01-02 | 2007-11-28 | 三星电子株式会社 | Digital device with battery charging unit and charging method |
| CN101599552A (en) * | 2008-06-03 | 2009-12-09 | 三星Sdi株式会社 | Battery pack and charging method thereof |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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