CN103199582A - Charging current adjustment method and charging current adjustment device - Google Patents
Charging current adjustment method and charging current adjustment device Download PDFInfo
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- CN103199582A CN103199582A CN2013101018417A CN201310101841A CN103199582A CN 103199582 A CN103199582 A CN 103199582A CN 2013101018417 A CN2013101018417 A CN 2013101018417A CN 201310101841 A CN201310101841 A CN 201310101841A CN 103199582 A CN103199582 A CN 103199582A
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Abstract
The invention discloses a charging current adjustment method and a charging current adjustment device. The charging current adjustment method comprises the following steps: obtaining a charging current value which is input from a charger to a charged device; obtaining a battery current value input to a charged device battery; obtaining a consumption current value of the charged device according to a difference of the charging current value and the battery current value; and obtaining an adjusted charging current value according to the consumption current value, and setting a charging current as the adjusted charging current value. The charging current adjustment method can effectively avoid the facts that a portable terminal operates a high-consumption application and meanwhile uses a big charging current to charge, and further solves the problems that the charged device is heated, and the system is halted due to the fact that a big consumption current and the big charging current are accumulated mutually.
Description
Technical field
The present invention relates to the intelligent charge technology, relate in particular 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 of mobile terminal device, display resolution, camera pixel etc. are more and more higher, directly cause the power consumption of equipment increasing, and the user usually need use mobile terminal device in charging.
At present, the charging process that is recharged equipment roughly is divided into trickle, constant current and constant voltage three phases, and it is the constant current charge stage that the device battery electric weight rises the fastest, and the electric current of charger output fixed value is to portable terminal, the state that will be full of up to battery.If use moving high power consumption (such as: play games, shooting, browsing page, online displaying video etc.) terminal equipment charge, portable terminal moved high power consumption and used the current sinking that produces and be superimposed with charging current this moment, can cause the rapid rising of battery, CPU and PMU (Power Management Unit) temperature of portable terminal, cause portable terminal hot.Mobile terminal device is at high temperature worked and various abnormal conditions can be occurred, such as: crash, restart etc.
Summary of the invention
The objective of the invention is to propose a kind of charging current method of adjustment and device, occur the phenomenon of the excessive heating that causes of electric current when avoiding in charging, using mobile terminal device.
The invention discloses a kind of charging current method of adjustment, comprising:
Obtain the charging current value that charger is input to the equipment of being recharged;
Obtain and be input to the battery current value that is recharged device battery;
Obtain the current sinking value of the equipment of being recharged according to the difference of described charging current value and described battery current value;
Obtain the adjustment charging current value according to described current sinking value, charging current is set at the adjustment charging current value.
Preferably, described obtaining according to described current sinking value adjusted charging current value and comprised:
Obtain to adjust charging current value according to default current sinking value and the mapping relations inquiry of adjusting charging current value.
Preferably, described obtaining according to described current sinking value adjusted charging current value and comprised:
Current sinking value according at least two cycles is calculated the average consumed cur-rent value;
Obtain to adjust charging current value according to default average consumed cur-rent value and the mapping relations inquiry of adjusting charging current value.
Preferably, describedly obtain charging current value that charger is input to the equipment of being recharged is input to the equipment of being recharged for the charger of periodically sampling charging current value;
Described obtaining is input to the battery current value that is recharged device battery and is input to the battery current value that is recharged device battery for sampling periodically.
The invention also discloses a kind of charging current adjusting device, comprising:
The charging current detecting unit is used for obtaining the charging current value that charger is input to the equipment of being recharged;
The battery current detecting unit is used for obtaining being input to the battery current value that is recharged device battery;
The current sinking computing unit is for the current sinking value of obtaining the equipment of being recharged according to the difference of described charging current value and described battery current value;
Adjustment unit is used for obtaining the adjustment charging current value according to described current sinking value, and charging current is set at the adjustment charging current value.
Preferably, described adjustment unit is used for obtaining to adjust charging current value according to default current sinking value and the mapping relations inquiry of adjusting charging current value.
Preferably, described adjustment unit comprises:
The mean value calculation subelement is used for calculating the average consumed cur-rent value according to the current sinking value at least two cycles;
Adjust the charging current acquiring unit, be used for obtaining to adjust charging current value according to default average consumed cur-rent value and the mapping relations inquiry of adjusting charging current value.
Preferably, described charging current detecting unit is input to the charging current value of the equipment of being recharged for the charger of periodically sampling;
Described battery current detecting unit is used for periodically, and sampling is input to the battery current value that is recharged device battery.
The present invention is by the computing equipment current sinking, size according to current sinking is dynamically adjusted the charging current size that is input to the equipment of being recharged, can avoid portable terminal to move when high power consumption is used effectively and charge with big charging current again, the problems such as equipment heating, deadlock that are recharged of further having avoided big current sinking and big charging current to add up mutually and introduce.
Description of drawings
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
Further specify technical scheme of the present invention below in conjunction with accompanying drawing and by embodiment.
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:
In an embodiment of present embodiment, timer can be set with charging current value and the battery current value of periodically sampling.As mentioned above, the described charging current value of present embodiment is the current value that charger is input to the equipment of being recharged, its part is input to battery with to battery charge (this part is called as the battery current value), and another part is used for being supplied to other parts of the equipment of being recharged to support its operation.
In the prior art, because constant at the constant-current phase charging current value, when the power consumption that is recharged equipment rose, its consumed current also rose, and thus, charging current can cause system unit to generate heat with higher power consumption electric current stack, is prone to fault.Thus, present embodiment comes the current sinking value of watch-dog power consumption correspondence according to charging current value and battery current value, avoids occurring the situation of high power consumption electric current and constant charge current stack.
The current sinking value also is the current operation of equipment institute consumed current value, and its power consumption with equipment is directly related.
In the present embodiment, according to electric current adjustment strategy current sinking value and the mapping relations of adjusting charging current value are set in advance, for example, are arranged so that the current sinking value is more big, it is just more little to adjust charging current value, thus, guarantees that charging current can be not excessive.
Certainly, it will be appreciated by those skilled in the art that, inquire about these means except adopting the predetermined mapped relation table, can also set up the current sinking value and adjust contacting between the charging current value according to the empirical equation that the test match obtains, based on the current sinking value rule of thumb formula calculate and obtain the adjustment charging current value.
In addition, also can utilize adjustment algorithm, for example, determine whether current charging current is added or deduct a predetermined threshold to obtain to adjust current value according to the changing value of current sinking value with respect to last one-period.
To sum up, any according to current sinking value acquisition adjustment charging current value, so that when the current sinking value significantly raises, adjust charging current value and keep stable method all to can be used for present embodiment, to realize the technique effect of present embodiment.
Present embodiment is by the computing equipment current sinking, size according to current sinking is dynamically adjusted the charging current size that is input to the equipment of being recharged, can avoid portable terminal to move when high power consumption is used effectively and charge with big charging current again, the problems such as equipment heating, deadlock that are recharged of further having avoided big current sinking and big charging current to add up mutually and introduce.
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:
In an embodiment of present embodiment, timer can be set with charging current value and the battery current value of periodically sampling.As mentioned above, the described charging current value of present embodiment is the current value that charger is input to the equipment of being recharged, its part is input to battery with to battery charge (this part is called as the battery current value), and another part is used for being supplied to other parts of the equipment of being recharged to support its operation.
The current sinking value also is the current operation of equipment institute consumed current value, and its power consumption with equipment is directly related.
The calculating average consumed cur-rent value of the current sinking value in step 240, at least two cycles of basis.
In an embodiment of 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 the average consumed cur-rent value, obtain the adjustment charging current value according to the average consumed cur-rent value.
Certainly, it will be appreciated by those skilled in the art that, inquire about these means except adopting the predetermined mapped relation table, can also set up the current sinking value and adjust contacting between the charging current value according to the empirical equation that the test match obtains, based on the current sinking value rule of thumb formula calculate and obtain the adjustment charging current value.
In addition, also can utilize adjustment algorithm, for example, determine whether current charging current is added or deduct a predetermined threshold to obtain to adjust current value according to the changing value of current sinking value with respect to last one-period.
To sum up, any according to current sinking value acquisition adjustment charging current value, so that when the current sinking value significantly raises, adjust charging current value and keep stable method all to can be used for present embodiment, to realize the technique effect of present embodiment.
Present embodiment is used as the adjustment foundation of charging current at least by equipment average consumed cur-rent of (two sampling periods) in a period of time, dynamically adjust charging current, the present invention can avoid portable terminal to move when high power consumption is used charging with big charging current again effectively, the problems such as equipment heating, deadlock that are recharged of further having avoided big current sinking and big charging current to add up mutually and introduce.
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 used for obtaining the charging current value that charger is input to the equipment of being recharged; Battery current detecting unit 32 is used for obtaining being input to the battery current value that is recharged device battery; Current sinking computing unit 33 is used for obtaining according to the difference of described charging current value and described battery current value the current sinking value of the equipment of being recharged; Adjustment unit 34 is used for obtaining the adjustment charging current value according to described current sinking value, and charging current is set at the adjustment charging current value.
In a preferred implementation of present embodiment, timer can be set with charging current value and the battery current value of periodically sampling.
In a preferred implementation of present embodiment, adjustment unit 34 is used for obtaining to adjust charging current value according to default current sinking value and the mapping relations inquiry of adjusting charging current value.
In another preferred implementation of present embodiment, adjustment unit 34 comprises mean value calculation subelement 341 and adjusts charging current and obtain subelement 342.
Mean value calculation subelement 341 is used for according to the calculating average consumed cur-rent value of the current sinking value at least two cycles.
The adjustment charging current is obtained subelement 342 and is used for obtaining to adjust charging current value according to the mapping relations inquiry of default average consumed cur-rent value and adjustment charging current value.
Present embodiment adopts the average consumed cur-rent value as the foundation of adjusting charging current, has avoided the unexpected fluctuation of current sinking to adjust stable influence for charging current.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can realize with the executable program code of computer installation, carried out by calculation element thereby they can be stored in the storage device, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to the combination of any specific hardware and software.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and to those skilled in the art, the present invention can have various changes and variation.All any modifications of within spirit of the present invention and principle, doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. charging current method of adjustment comprises:
Obtain the charging current value that charger is input to the equipment of being recharged;
Obtain and be input to the battery current value that is recharged device battery;
Obtain the current sinking value of the equipment of being recharged according to the difference of described charging current value and described battery current value;
Obtain the adjustment charging current value according to described current sinking value, charging current is set at the adjustment charging current value.
2. charging current method of adjustment according to claim 1 is characterized in that, described obtaining according to described current sinking value adjusted charging current value and comprised:
Obtain to adjust charging current value according to default current sinking value and the mapping relations inquiry of adjusting charging current value.
3. charging current method of adjustment according to claim 1 is characterized in that, described obtaining according to described current sinking value adjusted charging current value and comprised:
Current sinking value according at least two cycles is calculated the average consumed cur-rent value;
Obtain to adjust charging current value according to default average consumed cur-rent value and the mapping relations inquiry of adjusting charging current value.
4. charging current method of adjustment according to claim 1 is characterized in that, describedly obtains charging current value that charger is input to the equipment of being recharged is input to the equipment of being recharged for the charger of periodically sampling charging current value;
Described obtaining is input to the battery current value that is recharged device battery and is input to the battery current value that is recharged device battery for sampling periodically.
5. charging current adjusting device comprises:
The charging current detecting unit is used for obtaining the charging current value that charger is input to the equipment of being recharged;
The battery current detecting unit is used for obtaining being input to the battery current value that is recharged device battery;
The current sinking computing unit is for the current sinking value of obtaining the equipment of being recharged according to the difference of described charging current value and described battery current value;
Adjustment unit is used for obtaining the adjustment charging current value according to described current sinking value, and charging current is set at the adjustment charging current value.
6. charging current adjusting device according to claim 5 is characterized in that, described adjustment unit is used for obtaining to adjust charging current value according to default current sinking value and the mapping relations inquiry of adjusting charging current value.
7. charging current adjusting device according to claim 5 is characterized in that, described adjustment unit comprises:
The mean value calculation subelement is used for calculating the average consumed cur-rent value according to the current sinking value at least two cycles;
Adjust the charging current acquiring unit, be used for obtaining to adjust charging current value according to default average consumed cur-rent value and the mapping relations inquiry of adjusting charging current value.
8. charging current adjusting device according to claim 5 is characterized in that, described charging current detecting unit is input to the charging current value of the equipment of being recharged for the charger of periodically sampling;
Described battery current detecting unit is used for periodically, and sampling is input to the battery current value that is recharged device battery.
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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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| CN201310101841.7A CN103199582B (en) | 2013-03-27 | 2013-03-27 | Charging current method of adjustment and device |
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| CN103199582B CN103199582B (en) | 2016-02-03 |
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| CN103746434A (en) * | 2014-01-28 | 2014-04-23 | 广东欧珀移动通信有限公司 | Charging method and charging system |
| CN104283264A (en) * | 2014-10-11 | 2015-01-14 | 惠州Tcl移动通信有限公司 | System and method for controlling charging current of mobile terminal |
| CN104539009A (en) * | 2014-12-16 | 2015-04-22 | 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 |
| 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 |
| US10050452B2 (en) | 2014-01-28 | 2018-08-14 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Power adapter and terminal |
| CN109149676A (en) * | 2017-06-27 | 2019-01-04 | 深圳市中兴微电子技术有限公司 | A kind of method and device controlling charging current |
| 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 |
| WO2022174771A1 (en) * | 2021-02-22 | 2022-08-25 | 北京车和家信息技术有限公司 | Vehicle charging current adjustment method and apparatus |
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| US10050452B2 (en) | 2014-01-28 | 2018-08-14 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Power adapter and terminal |
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| KR101900405B1 (en) * | 2014-12-16 | 2018-09-20 | 시아오미 아이엔씨. | Method and device for charge management, program and recording medium |
| 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 |
| CN109149676A (en) * | 2017-06-27 | 2019-01-04 | 深圳市中兴微电子技术有限公司 | A kind of method and device controlling charging current |
| 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 |
| WO2022174771A1 (en) * | 2021-02-22 | 2022-08-25 | 北京车和家信息技术有限公司 | Vehicle charging current adjustment method and apparatus |
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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. |