CN102801197B - Terminal and charge control method thereof - Google Patents

Terminal and charge control method thereof Download PDF

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Publication number
CN102801197B
CN102801197B CN201210315831.9A CN201210315831A CN102801197B CN 102801197 B CN102801197 B CN 102801197B CN 201210315831 A CN201210315831 A CN 201210315831A CN 102801197 B CN102801197 B CN 102801197B
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terminal
battery
voltage
cell
magnitude
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CN102801197A (en
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许奕波
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
Dongguan Yulong Telecommunication Technology Co Ltd
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
Dongguan Yulong Telecommunication Technology Co Ltd
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Abstract

The invention provides a terminal which is provided with at least one back splint battery and comprises a power management unit, a comparing unit and a charging control unit, wherein the power supply management unit is used for charging a terminal battery of the terminal by an external power supply when the terminal is connected to the external power supply; the comparing unit is used for comparing a voltage value of the terminal battery with a voltage value of at least one back splint battery; and the charging control unit is used for charging the terminal battery by the external power supply, and controlling the terminal battery to charge the back splint battery under the condition that the voltage value of the terminal battery is more than that of the back splint battery. According to the invention, a charge control method of the terminal is also provided. According to the technical scheme provided by the invention, the charge process of the terminal provided with the back splint battery can be effectively managed, and the user experience is improved.

Description

The charge control method of terminal and terminal
Technical field
The present invention relates to terminal charge technical field, in particular to the charge control method of a kind of terminal and a kind of terminal.
Background technology
In prior art, be equipped with the terminal of back splint battery, when external power source charges to it, as shown in Figure 1, first need to charge to back splint battery, and then by back splint battery by booster circuit be end cell charge, the load of last end cell to terminal is powered, and this charging method effectively cannot manage the charging process of terminal.Meanwhile, in the process of back splint battery being boosted by booster circuit, there is the electric energy loss and the damage to back splint battery that cause due to voltage transitions.
Therefore, need a kind of charge control method of new terminal, effectively can manage the charging process of the terminal being equipped with back splint battery, promote Consumer's Experience.
Summary of the invention
The present invention, just based on the problems referred to above, proposes a kind of terminal, effectively can manage, promote Consumer's Experience to the charging process of the terminal being equipped with back splint battery.
In view of this, the present invention proposes a kind of terminal, described terminal is provided with at least one back splint battery, comprises: Power Management Unit, for when described terminal is connected to external power source, charged by the end cell of described external power source to described terminal; Comparing unit, for the magnitude of voltage of more described end cell and at least one back splint battery described; Charging control unit, for when described external power source charges to described end cell and the magnitude of voltage of described end cell is greater than the magnitude of voltage of described back splint battery, controls described end cell and charges to described back splint battery.
In this technical scheme, when there is external power source and charging to terminal, external power source directly charges to end cell, avoid and " first back splint battery is charged, and then by back splint battery by booster circuit be end cell charge " process, and when the magnitude of voltage of end cell is greater than the magnitude of voltage of back splint battery, end cell can charge for back splint battery, and do not need to wait for that end cell charging terminates, or back splint battery is unloaded rear independent charging, this makes the charging process of terminal effectively to be managed, promote Consumer's Experience.
In technique scheme, preferably, also comprise: judging unit, for judging described end cell and described at least one, the voltage difference of back splint battery is more than or equal to the first preset difference value; Described charging control unit is used for: when the judged result of described judging unit is for being, controls described end cell and charges to corresponding back splint battery.
In this technical scheme, if only according to the size control terminal battery of magnitude of voltage whether to the charging of back splint battery, multiple end cell may be caused the frequent charge of back splint battery and power-off, to all may causing damage of end cell and back splint battery.Thus by arranging the first preset difference value, in the charging of minimizing battery with while de-energizing actions switches, what achieve charging strategy is perfect.
In above-mentioned arbitrary technical scheme, preferably, also comprising: flow-restriction, for controlling charging current when described end cell charges to described back splint battery, described charging current being within the scope of predetermined current.
In this technical scheme, because the magnitude of voltage of end cell is higher than the magnitude of voltage of back splint battery, so charging current is also greater than the internal current of back splint battery, therefore when end cell charges to back splint battery, damage may be caused to back splint battery, can charging current be controlled within the scope of predetermined current by flow-restriction, ensure that back splint battery can not be subject to the damage of charging current.
In above-mentioned arbitrary technical scheme, preferably, also comprise: difference computational unit, for calculating the voltage difference of two batteries that magnitude of voltage is maximum in described end cell and at least one back splint battery described; And described charging control unit also for: when described voltage difference is more than or equal to the second preset difference value, it is that described terminal is powered that control voltage is worth maximum battery.
In this technical scheme, can also according to the difference of the magnitude of voltage of back splint battery and end cell, control the battery of powering for terminate load.And if only the battery that magnitude of voltage is maximum judged and select, then may cause the load supplying repeatedly switching to terminal between two batteries back and forth, may cause damage to the use of back splint battery and end cell.Thus by arranging the second preset difference value, while minimizing battery switching action, achieve the perfect of strategy of powering.
In above-mentioned arbitrary technical scheme, preferably, described charging control unit also for: when there is the maximum battery of multiple magnitude of voltage, select the maximum battery of described multiple magnitude of voltage to power for described terminal simultaneously.
According to another aspect of the invention, also proposed a kind of charge control method of terminal, described terminal is provided with at least one back splint battery, comprises: step 202, when described terminal is connected to external power source, charged by the end cell of described external power source to described terminal; Step 204, the magnitude of voltage of more described end cell and at least one back splint battery described; Step 206, if the magnitude of voltage of described end cell is greater than the magnitude of voltage of described back splint battery, is then charged to described back splint battery by described end cell.
In this technical scheme, when there is external power source and charging to terminal, external power source directly charges to end cell, and avoid and " first back splint battery is charged, and then by back splint battery by booster circuit be end cell charge " process, and when the magnitude of voltage of end cell is greater than the magnitude of voltage of back splint battery, end cell can charge for back splint battery, and do not need to wait for that end cell charging terminates, or back splint battery is unloaded rear independent charging, this makes the charging process of terminal effectively to be managed, promote Consumer's Experience.
In technique scheme, preferably, described step 206 also comprises: if described end cell and the voltage difference of back splint battery described at least one are more than or equal to the first preset difference value, then charged to this back splint battery by described end cell.
In this technical scheme, if only according to the size control terminal battery of magnitude of voltage whether to the charging of back splint battery, multiple end cell may be caused the frequent charge of back splint battery and power-off, to all may causing damage of end cell and back splint battery.Thus by arranging the first preset difference value, in the charging of minimizing battery with while de-energizing actions switches, what achieve charging strategy is perfect.
In above-mentioned arbitrary technical scheme, preferably, described step 206 also comprises: control charging current when described end cell charges to described back splint battery, described charging current is within the scope of predetermined current.
In this technical scheme, because the magnitude of voltage of end cell is higher than the magnitude of voltage of back splint battery, so charging current is also greater than the internal current of back splint battery, therefore when end cell charges to back splint battery, damage may be caused to back splint battery, can charging current be controlled within the scope of predetermined current by flow-restriction, ensure that back splint battery can not be subject to the damage of charging current.
In above-mentioned arbitrary technical scheme, preferably, also comprise: in described end cell and at least one back splint battery described, the voltage difference of two batteries that calculating voltage value is maximum, if described voltage difference is more than or equal to the second preset difference value, then the battery utilizing magnitude of voltage maximum is that described terminal is powered.
In this technical scheme, can also according to the difference of the magnitude of voltage of back splint battery and end cell, control the battery of powering for terminate load.And if only the battery that magnitude of voltage is maximum judged and select, then may cause the load supplying repeatedly switching to terminal between two batteries back and forth, may cause damage to the use of back splint battery and end cell.Thus by arranging the second preset difference value, while minimizing battery switching action, achieve the perfect of strategy of powering.
In above-mentioned arbitrary technical scheme, preferably, also comprise: if there is the maximum battery of multiple magnitude of voltage, then powered for described terminal by the battery that described multiple magnitude of voltage is maximum simultaneously.
By above technical scheme, effectively can manage the charging process of the terminal being equipped with back splint battery, promote Consumer's Experience.
Accompanying drawing explanation
Fig. 1 shows the structural representation of terminal charging device in correlation technique;
Fig. 2 shows the block diagram of terminal according to an embodiment of the invention;
Fig. 3 shows the flow chart of the charge control method of terminal according to an embodiment of the invention;
Fig. 4 shows the structural representation of terminal according to an embodiment of the invention.
Embodiment
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
Fig. 2 shows the block diagram of terminal according to an embodiment of the invention.
As shown in Figure 2, terminal 100 according to an embodiment of the invention, this terminal 100 is provided with at least one back splint battery, then terminal 100 comprises: Power Management Unit 102, for when terminal 100 is connected to external power source, charged by the end cell of external power source to terminal 100; Comparing unit 104, for the magnitude of voltage of comparison terminal battery with at least one back splint battery; Charging control unit 106, for when external power source charges to end cell and the magnitude of voltage of end cell is greater than the magnitude of voltage of back splint battery, control terminal battery charges to back splint battery.
In this technical scheme, when there is external power source and charging to terminal 100, external power source directly charges to end cell, avoid and " first back splint battery is charged, and then by back splint battery by booster circuit be end cell charge " process, and when the magnitude of voltage of end cell is greater than the magnitude of voltage of back splint battery, end cell can charge for back splint battery, and do not need to wait for that end cell charging terminates, or back splint battery is unloaded rear independent charging, this makes the charging process of terminal effectively to be managed, promote Consumer's Experience.
In technique scheme, also comprise: judging unit 108, for judging that the voltage difference of end cell and at least one back splint battery is more than or equal to the first preset difference value; Charging control unit 106 for: when the judged result of judging unit 108 is for being, control terminal battery charges to corresponding back splint battery.
In this technical scheme, if only according to the size control terminal battery of magnitude of voltage whether to the charging of back splint battery, multiple end cell may be caused the frequent charge of back splint battery and power-off, to all may causing damage of end cell and back splint battery.Thus by arranging the first preset difference value, in the charging of minimizing battery with while de-energizing actions switches, what achieve charging strategy is perfect.
In above-mentioned arbitrary technical scheme, also comprise: flow-restriction 110, charging current when back splint battery being charged for control terminal battery, charging current is within the scope of predetermined current.
In this technical scheme, because the magnitude of voltage of end cell is higher than the magnitude of voltage of back splint battery, so charging current is also greater than the internal current of back splint battery, therefore when end cell charges to back splint battery, damage may be caused to back splint battery, can charging current be controlled within the scope of predetermined current by flow-restriction 110, ensure that back splint battery can not be subject to the damage of charging current.
In above-mentioned arbitrary technical scheme, also comprise: difference computational unit 112, for the voltage difference of maximum two batteries of magnitude of voltage in computing terminal battery and at least one back splint battery; And charging control unit 106 also for: when voltage difference is more than or equal to the second preset difference value, it is that terminal 100 is powered that control voltage is worth maximum battery.
In this technical scheme, can also according to the difference of the magnitude of voltage of back splint battery and end cell, control the battery of powering for terminate load.And if only the battery that magnitude of voltage is maximum judged and select, then may cause the load supplying repeatedly switching to terminal between two batteries back and forth, may cause damage to the use of back splint battery and end cell.Thus by arranging the second preset difference value, while minimizing battery switching action, achieve the perfect of strategy of powering.
In above-mentioned arbitrary technical scheme, charging control unit 106 also for: when there is the maximum battery of multiple magnitude of voltage, select the maximum battery of multiple magnitude of voltage to power for terminal 100 simultaneously.
Fig. 3 shows the flow chart of the charge control method of terminal according to an embodiment of the invention.
As shown in Figure 3, the charge control method of terminal according to an embodiment of the invention, this terminal is provided with at least one back splint battery, then the charge control method of this terminal comprises: step 202, when terminal is connected to external power source, charged by the end cell of external power source to terminal; Step 204, the magnitude of voltage of comparison terminal battery and at least one back splint battery; Step 206, if the magnitude of voltage of end cell is greater than the magnitude of voltage of back splint battery, is then charged to back splint battery by end cell.
In this technical scheme, when there is external power source and charging to terminal, external power source directly charges to end cell, avoid and " first back splint battery is charged, and then by back splint battery by booster circuit be end cell charge " process, and when the magnitude of voltage of end cell is greater than the magnitude of voltage of back splint battery, end cell can charge for back splint battery, and do not need to wait for that end cell charging terminates, or back splint battery is unloaded rear independent charging, this makes the charging process of terminal effectively to be managed, promote Consumer's Experience.
In technique scheme, step 206 also comprises: if the voltage difference of end cell and at least one back splint battery is more than or equal to the first preset difference value, then charged to this back splint battery by end cell.
In this technical scheme, if only according to the size control terminal battery of magnitude of voltage whether to the charging of back splint battery, multiple end cell may be caused the frequent charge of back splint battery and power-off, to all may causing damage of end cell and back splint battery.Thus by arranging the first preset difference value, in the charging of minimizing battery with while de-energizing actions switches, what achieve charging strategy is perfect.
In above-mentioned arbitrary technical scheme, step 206 also comprises: charging current when control terminal battery charges to back splint battery, and charging current is within the scope of predetermined current.
In this technical scheme, because the magnitude of voltage of end cell is higher than the magnitude of voltage of back splint battery, so charging current is also greater than the internal current of back splint battery, therefore when end cell charges to back splint battery, damage may be caused to back splint battery, can charging current be controlled within the scope of predetermined current by flow-restriction, ensure that back splint battery can not be subject to the damage of charging current.
In above-mentioned arbitrary technical scheme, also comprise: in end cell and at least one back splint battery, the voltage difference of two batteries that calculating voltage value is maximum, if voltage difference is more than or equal to the second preset difference value, then the battery utilizing magnitude of voltage maximum is powered for terminal.
In this technical scheme, can also according to the difference of the magnitude of voltage of back splint battery and end cell, control the battery of powering for terminate load.And if only the battery that magnitude of voltage is maximum judged and select, then may cause the load supplying repeatedly switching to terminal between two batteries back and forth, may cause damage to the use of back splint battery and end cell.Thus by arranging the second preset difference value, while minimizing battery switching action, achieve the perfect of strategy of powering.
In above-mentioned arbitrary technical scheme, also comprise: if there is the maximum battery of multiple magnitude of voltage, then by the maximum battery of multiple magnitude of voltage simultaneously for terminal is powered.
Fig. 4 shows the structural representation of terminal according to an embodiment of the invention.
As shown in Figure 4, suppose that terminal is provided with two pieces of back splint batteries (user also can be set to as required a piece or more), be respectively the first back splint battery 402 and the second back splint battery 404.When external power source 400 pairs of terminals are charged, directly end cell 406 is charged, eliminate " first back splint battery is charged, and then by back splint battery by booster circuit be end cell charge " process.
The magnitude of voltage of the first back splint battery 402 and end cell 406 is compared by comparing unit 104, the magnitude of voltage of the second back splint battery 404 and end cell 406, when the magnitude of voltage of end cell 406 is greater than the magnitude of voltage of the magnitude of voltage of the first back splint battery 402 and/or the second back splint battery 404, charging control unit 106 control terminal battery 406 is that the first back splint battery 402 and/or the second back splint battery 404 charge.
First preset difference value can also be set, and when the difference of end cell 406 and the first back splint battery 402 and/or the second back splint battery 404 is more than or equal to the first preset difference value, just control terminal battery charges to the first back splint battery 402 and/or the second back splint battery 404, and then reduces the frequency that end cell 406 charges and de-energizing actions switches repeatedly.
This charging method makes the charging process of terminal effectively to be managed, and promotes Consumer's Experience.
On the other hand, difference computational unit 112 calculates the voltage difference of two batteries that magnitude of voltage is maximum in the first back splint battery 402, second back splint battery 404 and end cell 406, when voltage difference is more than or equal to the second preset difference value, it is that the load 408 of terminal is powered that charging control unit 106 control voltage is worth maximum battery.
And if only the battery that magnitude of voltage is maximum judged and select, then may cause between two batteries, repeatedly switching to the load 408 of terminal to power back and forth, may cause damage to the use of back splint battery and end cell.Thus by arranging the second preset difference value, while minimizing battery switching action, achieve the perfect of strategy of powering.
Magnitude of voltage as the first back splint battery 402 is greater than the magnitude of voltage of the second back splint battery 404, and the magnitude of voltage of end cell 406 is greater than the magnitude of voltage of the second back splint battery 404, so, difference computational unit 112 calculates the difference of the magnitude of voltage of the first back splint battery 402 and end cell 406, if the magnitude of voltage obtaining the first back splint battery 402 is greater than the magnitude of voltage of end cell 406, when voltage difference is more than or equal to the second preset difference value, it is that the load 408 of terminal is powered that charging control unit 106 controls the first back splint battery 402.
More than be described with reference to the accompanying drawings technical scheme of the present invention, consider in correlation technique, for the terminal being equipped with back splint battery, when external power source charges to it, first need to charge to back splint battery, then back splint battery is end cell charging by booster circuit, effectively cannot manage the charging process of terminal.By technical scheme of the present invention, effectively can manage the charging process of the terminal being equipped with back splint battery, promote Consumer's Experience.
In the present invention, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.Term " multiple " refers to two or more, unless otherwise clear and definite restriction.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a terminal, described terminal is provided with at least one back splint battery, it is characterized in that, comprising:
Power Management Unit, for when described terminal is connected to external power source, is charged by the end cell of described external power source to described terminal;
Comparing unit, for the magnitude of voltage of more described end cell and at least one back splint battery described;
Charging control unit, for when described external power source charges to described end cell and the magnitude of voltage of described end cell is greater than the magnitude of voltage of described back splint battery, controls described end cell and charges to described back splint battery.
2. terminal according to claim 1, is characterized in that, also comprises:
Judging unit, for judging described end cell and described at least one, the voltage difference of back splint battery is more than or equal to the first preset difference value;
Described charging control unit is used for: when the judged result of described judging unit is for being, controls described end cell and charges to corresponding back splint battery.
3. terminal according to claim 1, is characterized in that, also comprises:
Flow-restriction, for controlling charging current when described end cell charges to described back splint battery, makes described charging current be within the scope of predetermined current.
4. terminal according to any one of claim 1 to 3, is characterized in that, also comprises:
Difference computational unit, for calculating the voltage difference of two maximum batteries of magnitude of voltage at least one back splint battery described and described end cell; And
Described charging control unit also for: when described voltage difference is more than or equal to the second preset difference value, it is that described terminal is powered that control voltage is worth maximum battery.
5. terminal according to claim 4, is characterized in that, described charging control unit also for:
When there is the maximum battery of multiple magnitude of voltage, select the maximum battery of described multiple magnitude of voltage to power for described terminal simultaneously.
6. a charge control method for terminal, described terminal is provided with at least one back splint battery, it is characterized in that, comprising:
Step 202, when described terminal is connected to external power source, is charged by the end cell of described external power source to described terminal;
Step 204, the magnitude of voltage of more described end cell and at least one back splint battery described;
Step 206, if the magnitude of voltage of described end cell is greater than the magnitude of voltage of described back splint battery, is then charged to described back splint battery by described end cell.
7. the charge control method of terminal according to claim 6, is characterized in that, described step 206 also comprises:
If described end cell and the voltage difference of back splint battery described at least one are more than or equal to the first preset difference value, then by described end cell, this back splint battery is charged.
8. the charge control method of terminal according to claim 6, is characterized in that, described step 206 also comprises:
Control charging current when described end cell charges to described back splint battery, described charging current is within the scope of predetermined current.
9. the charge control method of the terminal according to any one of claim 6 to 8, is characterized in that, also comprises:
In described end cell and at least one back splint battery described, the voltage difference of two batteries that calculating voltage value is maximum, if described voltage difference is more than or equal to the second preset difference value, then the battery utilizing magnitude of voltage maximum is that described terminal is powered.
10. the charge control method of terminal according to claim 9, is characterized in that, also comprises:
If there is the battery that multiple magnitude of voltage is maximum, then powered for described terminal by the battery that described multiple magnitude of voltage is maximum simultaneously.
CN201210315831.9A 2012-08-30 2012-08-30 Terminal and charge control method thereof Active CN102801197B (en)

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CN103904712A (en) * 2012-12-27 2014-07-02 联想(北京)有限公司 Electronic device and power supply method thereof
CN105048621B (en) * 2015-04-01 2018-01-19 深圳市鸿陆技术有限公司 A kind of RFID handheld terminals and its Double-battery powered method
CN111464671B (en) * 2019-01-18 2021-07-30 青岛海信移动通信技术股份有限公司 Electronic equipment and charging method thereof

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CN101867198A (en) * 2009-04-20 2010-10-20 龙旗科技(上海)有限公司 Realizing device and control method for standby battery of mobile phone

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KR20120020554A (en) * 2010-08-30 2012-03-08 삼성전기주식회사 Integrated charging device for electric vehicle
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