CN102801197A - Terminal and charge control method thereof - Google Patents
Terminal and charge control method thereof Download PDFInfo
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- CN102801197A CN102801197A CN2012103158319A CN201210315831A CN102801197A CN 102801197 A CN102801197 A CN 102801197A CN 2012103158319 A CN2012103158319 A CN 2012103158319A CN 201210315831 A CN201210315831 A CN 201210315831A CN 102801197 A CN102801197 A CN 102801197A
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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
Technical field
The present invention relates to the terminal charge technical field, in particular to the charge control method at a kind of terminal and a kind of terminal.
Background technology
In the prior art scheme; Be equipped with the terminal of back splint battery, when externally power supply charges to it, as shown in Figure 1; At first need charge to the back splint battery; And then be end cell charging by the back splint battery through booster circuit, last end cell is supplied power to the load at terminal, and this charging method can't effectively be managed the charging process at terminal.Simultaneously, in the process of the back splint battery being boosted, exist because the electric energy loss that voltage transitions causes and to the damage of back splint battery through booster circuit.
Therefore, need a kind of charge control method of new terminal, can effectively manage, promote user experience the charging process at the terminal that is equipped with the back splint battery.
Summary of the invention
The present invention just is being based on the problems referred to above, has proposed a kind of terminal, can effectively manage the charging process at the terminal that is equipped with the back splint battery, promotes user experience.
In view of this, the present invention proposes a kind of terminal, said terminal is provided with at least one back splint battery, comprising: PMU, when being used for being connected to external power source at said terminal, charged by the end cell of said external power source to said terminal; Comparing unit is used for the magnitude of voltage of more said end cell and said at least one back splint battery; Charging control unit, be used for said external power source said end cell is charged and the situation of magnitude of voltage greater than the magnitude of voltage of said back splint battery of said end cell under, control said end cell said back splint battery charged.
In this technical scheme, when existing external power source to be charged in the terminal, external power source directly charges to end cell; Avoided " earlier the back splint battery is charged; and then be the end cell charging by the back splint battery through booster circuit " process, and when the magnitude of voltage of end cell during greater than the magnitude of voltage of back splint battery, end cell can be the back splint battery charge; And need not wait for that the end cell charging finishes; Or the back splint battery is unloaded the back charge separately, this makes that the charging process at terminal can effectively be managed, and promotes user experience.
In technique scheme, preferably, also comprise: judging unit, the voltage difference that is used to judge said end cell and at least one said back splint battery is more than or equal to first preset difference value; Said charging control unit is used for: the judged result at said judging unit is under the situation that is, controls said end cell corresponding back splint battery is charged.
In this technical scheme, if only according to the big or small control terminal battery of magnitude of voltage whether to the back splint battery charge, possibly cause of frequent charge and the outage of a plurality of end cells, to all possibly causing damage of end cell and back splint battery to the back splint battery.Thereby, when reducing battery charge and outage action switching, realized the perfect of strategy that charge through first preset difference value is set.
In above-mentioned arbitrary technical scheme, preferably, also comprise: the current limliting unit, the charging current when being used to control said end cell said back splint battery being charged is in the predetermined current scope said charging 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, may cause damage to the back splint battery when end cell during to the back splint battery charge; Can charging current be controlled in the predetermined current scope through the current limliting unit, guarantee that the back splint battery can not receive the damage of charging current.
In above-mentioned arbitrary technical scheme, preferably, also comprise: difference computational unit is used for calculating the voltage difference of two maximum batteries of said end cell and said at least one back splint battery magnitude of voltage; And said charging control unit also is used for: under the situation of said voltage difference more than or equal to second preset difference value, the maximum battery of control magnitude of voltage is the power supply of said terminal.
In this technical scheme, can also be controlled to be the battery of terminate load power supply according to the difference of the magnitude of voltage of back splint battery and end cell.And, then possibly cause switching to back and forth repeatedly between two batteries the electric at terminal if only the maximum battery of magnitude of voltage is judged and selected, possibly cause damage to the use of back splint battery and end cell.Thereby, when reducing the battery change action, realized the perfect of strategy of supplying power through second preset difference value is set.
In above-mentioned arbitrary technical scheme, preferably, said charging control unit also is used for: under the situation that has the maximum battery of a plurality of magnitudes of voltage, select the maximum battery of said a plurality of magnitude of voltage to be the power supply of said terminal simultaneously.
According to another aspect of the invention; Also proposed a kind of charge control method of terminal, said terminal is provided with at least one back splint battery, comprising: step 202; When said terminal is connected to external power source, charge by the end cell of said external power source to said terminal; Step 204, the magnitude of voltage of more said end cell and said at least one back splint battery; Step 206 is if the magnitude of voltage of said end cell is then charged to said back splint battery by said end cell greater than the magnitude of voltage of said back splint battery.
In this technical scheme, when existing external power source to be charged in the terminal, external power source directly charges to end cell; And avoided " earlier the back splint battery is charged; and then be the end cell charging by the back splint battery through booster circuit " process, and when the magnitude of voltage of end cell during greater than the magnitude of voltage of back splint battery, end cell can be the back splint battery charge; And need not wait for that the end cell charging finishes; Or the back splint battery is unloaded the back charge separately, this makes that the charging process at terminal can effectively be managed, and promotes user experience.
In technique scheme, preferably, said step 206 also comprises: if the voltage difference of said end cell and at least one said back splint battery is then charged to this back splint battery by said end cell more than or equal to first preset difference value.
In this technical scheme, if only according to the big or small control terminal battery of magnitude of voltage whether to the back splint battery charge, possibly cause of frequent charge and the outage of a plurality of end cells, to all possibly causing damage of end cell and back splint battery to the back splint battery.Thereby, when reducing battery charge and outage action switching, realized the perfect of strategy that charge through first preset difference value is set.
In above-mentioned arbitrary technical scheme, preferably, said step 206 also comprises: the charging current when controlling said end cell said back splint battery being charged is in the predetermined current scope said charging 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, may cause damage to the back splint battery when end cell during to the back splint battery charge; Can charging current be controlled in the predetermined current scope through the current limliting unit, guarantee that the back splint battery can not receive the damage of charging current.
In above-mentioned arbitrary technical scheme; Preferably; Also comprise: in said end cell and said at least one back splint battery; The voltage difference of two batteries that the calculating voltage value is maximum is the power supply of said terminal if said voltage difference, then utilizes the maximum battery of magnitude of voltage more than or equal to second preset difference value.
In this technical scheme, can also be controlled to be the battery of terminate load power supply according to the difference of the magnitude of voltage of back splint battery and end cell.And, then possibly cause switching to back and forth repeatedly between two batteries the electric at terminal if only the maximum battery of magnitude of voltage is judged and selected, possibly cause damage to the use of back splint battery and end cell.Thereby, when reducing the battery change action, realized the perfect of strategy of supplying power through second preset difference value is set.
In above-mentioned arbitrary technical scheme, preferably, also comprise:, be the power supply of said terminal simultaneously then by the maximum battery of said a plurality of magnitudes of voltage if there is the maximum battery of a plurality of magnitudes of voltage.
Through above technical scheme, can effectively manage the charging process at the terminal that is equipped with the back splint battery, promote user experience.
Description of drawings
Fig. 1 shows the structural representation of terminal charging device in the correlation technique;
Fig. 2 shows the block diagram at terminal according to an embodiment of the invention;
Fig. 3 shows the flow chart of the charge control method at terminal according to an embodiment of the invention;
Fig. 4 shows the structural representation at terminal according to an embodiment of the invention.
Embodiment
In order more to be expressly understood above-mentioned purpose of the present invention, feature and advantage, the present invention is further described in detail below in conjunction with accompanying drawing and embodiment.Need to prove that under the situation of not conflicting, the application's embodiment and the characteristic among the embodiment can make up each other.
A lot of details have been set forth in the following description so that make much of 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 does not receive the restriction of following disclosed specific embodiment.
Fig. 2 shows the block diagram at terminal according to an embodiment of the invention.
As shown in Figure 2; The terminal 100 according to an embodiment of the invention, and this terminal 100 is provided with at least one back splint battery, and then terminal 100 comprises: PMU 102; Be used at the terminal 100 when being connected to external power source, charge by the end cell of external power source to terminal 100; Comparing unit 104 is used for the magnitude of voltage of comparison terminal battery and at least one back splint battery; Charging control unit 106, be used for that power supply externally charges to end cell and the situation of magnitude of voltage greater than the magnitude of voltage of back splint battery of end cell under, the control terminal battery charges to the back splint battery.
In this technical scheme, when existing external power source to be charged in terminal 100, external power source directly charges to end cell; Avoided " earlier the back splint battery is charged; and then be the end cell charging by the back splint battery through booster circuit " process, and when the magnitude of voltage of end cell during greater than the magnitude of voltage of back splint battery, end cell can be the back splint battery charge; And need not wait for that the end cell charging finishes; Or the back splint battery is unloaded the back charge separately, this makes that the charging process at terminal can effectively be managed, and promotes user experience.
In technique scheme, also comprise: judging unit 108, the voltage difference that is used to judge end cell and at least one back splint battery is more than or equal to first preset difference value; Charging control unit 106 is used for: the judged result at judging unit 108 is under the situation that is, the control terminal battery charges to corresponding back splint battery.
In this technical scheme, if only according to the big or small control terminal battery of magnitude of voltage whether to the back splint battery charge, possibly cause of frequent charge and the outage of a plurality of end cells, to all possibly causing damage of end cell and back splint battery to the back splint battery.Thereby, when reducing battery charge and outage action switching, realized the perfect of strategy that charge through first preset difference value is set.
In above-mentioned arbitrary technical scheme, also comprise: current limliting unit 110, the charging current when being used for the control terminal battery back splint battery being charged is in the predetermined current scope charging 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, may cause damage to the back splint battery when end cell during to the back splint battery charge; Can charging current be controlled in the predetermined current scope through current limliting unit 110, guarantee that the back splint battery can not receive the damage of charging current.
In above-mentioned arbitrary technical scheme, also comprise: difference computational unit 112 is used for the voltage difference of two maximum batteries of computing terminal battery and at least one back splint battery magnitude of voltage; And charging control unit 106 also is used for: under the situation of voltage difference more than or equal to second preset difference value, the maximum battery of control magnitude of voltage is terminal 100 power supplies.
In this technical scheme, can also be controlled to be the battery of terminate load power supply according to the difference of the magnitude of voltage of back splint battery and end cell.And, then possibly cause switching to back and forth repeatedly between two batteries the electric at terminal if only the maximum battery of magnitude of voltage is judged and selected, possibly cause damage to the use of back splint battery and end cell.Thereby, when reducing the battery change action, realized the perfect of strategy of supplying power through second preset difference value is set.
In above-mentioned arbitrary technical scheme, charging control unit 106 also is used for: under the situation that has the maximum battery of a plurality of magnitudes of voltage, select the maximum battery of a plurality of magnitudes of voltage to be terminal 100 power supplies simultaneously.
Fig. 3 shows the flow chart of the charge control method at terminal according to an embodiment of the invention.
As shown in Figure 3; The charge control method at terminal according to an embodiment of the invention, this terminal is provided with at least one back splint battery, and then the charge control method at this terminal comprises: step 202; When the terminal is connected to external power source, charge by the end cell of external power source to the terminal; Step 204, the magnitude of voltage of comparison terminal battery and at least one back splint battery; Step 206 is if the magnitude of voltage of end cell is then charged to the back splint battery by end cell greater than the magnitude of voltage of back splint battery.
In this technical scheme, when existing external power source to be charged in the terminal, external power source directly charges to end cell; Avoided " earlier the back splint battery is charged; and then be the end cell charging by the back splint battery through booster circuit " process, and when the magnitude of voltage of end cell during greater than the magnitude of voltage of back splint battery, end cell can be the back splint battery charge; And need not wait for that the end cell charging finishes; Or the back splint battery is unloaded the back charge separately, this makes that the charging process at terminal can effectively be managed, and promotes user experience.
In technique scheme, step 206 also comprises: if the voltage difference of end cell and at least one back splint battery is then charged to this back splint battery by end cell more than or equal to first preset difference value.
In this technical scheme, if only according to the big or small control terminal battery of magnitude of voltage whether to the back splint battery charge, possibly cause of frequent charge and the outage of a plurality of end cells, to all possibly causing damage of end cell and back splint battery to the back splint battery.Thereby, when reducing battery charge and outage action switching, realized the perfect of strategy that charge through first preset difference value is set.
In above-mentioned arbitrary technical scheme, step 206 also comprises: the charging current when the control terminal battery charges to the back splint battery is in the predetermined current scope charging 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, may cause damage to the back splint battery when end cell during to the back splint battery charge; Can charging current be controlled in the predetermined current scope through the current limliting unit, guarantee that the back splint battery can not receive 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 the calculating voltage value is maximum, maximum battery is supplied power for the terminal if voltage difference, then utilizes magnitude of voltage more than or equal to second preset difference value.
In this technical scheme, can also be controlled to be the battery of terminate load power supply according to the difference of the magnitude of voltage of back splint battery and end cell.And, then possibly cause switching to back and forth repeatedly between two batteries the electric at terminal if only the maximum battery of magnitude of voltage is judged and selected, possibly cause damage to the use of back splint battery and end cell.Thereby, when reducing the battery change action, realized the perfect of strategy of supplying power through second preset difference value is set.
In above-mentioned arbitrary technical scheme, also comprise:, then be the terminal power supply simultaneously by the maximum battery of a plurality of magnitudes of voltage if there is the maximum battery of a plurality of magnitudes of voltage.
Fig. 4 shows the structural representation at terminal according to an embodiment of the invention.
As shown in Figure 4, suppose that the terminal is provided with two back splint batteries (user also can be set to one or more as required), is respectively the first back splint battery 402 and the second back splint battery 404.When externally charge in 400 pairs of terminals of power supply, directly end cell 406 is charged, saved the process of " earlier the back splint battery is charged, and then be end cell charging through booster circuit by the back splint battery ".
The magnitude of voltage that compares the first back splint battery 402 and end cell 406 through 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 during 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 batteries 406 are that the first back splint battery 402 and/or the second back splint battery 404 charge.
One first preset difference value can also be set; And in the difference of end cell 406 and the first back splint battery 402 and/or the second back splint battery 404 during more than or equal to first preset difference value; Just the 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 the outage action is switched repeatedly.
This charging method makes that the charging process at terminal can effectively be managed, and promotes user experience.
On the other hand; Difference computational unit 112 is calculated the voltage difference of two maximum batteries of magnitude of voltage in the first back splint battery 402, the second back splint battery 404 and the end cell 406; Under the situation of voltage difference more than or equal to second preset difference value, the maximum battery of charging control unit 106 control magnitudes of voltage is load 408 power supplies at terminal.
And if only the maximum battery of magnitude of voltage is judged and is selected, the load 408 that then possibly cause switching to the terminal between two batteries is repeatedly back and forth supplied power, and possibly cause damage to the use of back splint battery and end cell.Thereby, when reducing the battery change action, realized the perfect of strategy of supplying power through second preset difference value is set.
Like the magnitude of voltage of the first back splint battery 402 magnitude of voltage greater than 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 is calculated the difference of the magnitude of voltage of the first back splint battery 402 and end cell 406; If obtain the magnitude of voltage of the magnitude of voltage of the first back splint battery 402 greater than end cell 406, when voltage difference during more than or equal to second preset difference value, the charging control unit 106 controls first back splint battery 402 be that the load 408 at terminal is supplied power.
More than be described with reference to the accompanying drawings technical scheme of the present invention; Consider in the correlation technique; For the terminal that is equipped with the back splint battery, when externally power supply charges to it, at first need charge to the back splint battery; The back splint battery is the end cell charging through booster circuit then, can't effectively manage the charging process at terminal.Through technical scheme of the present invention, can effectively manage the charging process at the terminal that is equipped with the back splint battery, promote user experience.
In the present invention, term " first ", " second " only are used to describe purpose, and can not be interpreted as indication or hint relative importance.Term " a plurality of " refers to two or more, only if clear and definite qualification is arranged in addition.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. terminal, said terminal is provided with at least one back splint battery, it is characterized in that, comprising:
PMU when being used for being connected to external power source at said terminal, is charged by the end cell of said external power source to said terminal;
Comparing unit is used for the magnitude of voltage of more said end cell and said at least one back splint battery;
Charging control unit, be used for said external power source said end cell is charged and the situation of magnitude of voltage greater than the magnitude of voltage of said back splint battery of said end cell under, control said end cell said back splint battery charged.
2. terminal according to claim 1 is characterized in that, also comprises:
Judging unit, the voltage difference that is used to judge said end cell and at least one said back splint battery is more than or equal to first preset difference value;
Said charging control unit is used for: the judged result at said judging unit is under the situation that is, controls said end cell corresponding back splint battery is charged.
3. terminal according to claim 1 is characterized in that, also comprises:
The current limliting unit, the charging current when being used to control said end cell said back splint battery being charged is in the predetermined current scope said charging current.
4. according to each described terminal in the claim 1 to 3, it is characterized in that, also comprise:
Difference computational unit is used for calculating the voltage difference of two maximum batteries of said end cell and said at least one back splint battery magnitude of voltage; And
Said charging control unit also is used for: under the situation of said voltage difference more than or equal to second preset difference value, the maximum battery of control magnitude of voltage is the power supply of said terminal.
5. terminal according to claim 4 is characterized in that, said charging control unit also is used for:
Under the situation that has the maximum battery of a plurality of magnitudes of voltage, select the maximum battery of said a plurality of magnitude of voltage to be the power supply of said terminal simultaneously.
6. the charge control method at a terminal, said terminal is provided with at least one back splint battery, it is characterized in that, comprising:
Step 202 when being connected to external power source at said terminal, is charged by the end cell of said external power source to said terminal;
Step 204, the magnitude of voltage of more said end cell and said at least one back splint battery;
Step 206 is if the magnitude of voltage of said end cell is then charged to said back splint battery by said end cell greater than the magnitude of voltage of said back splint battery.
7. the charge control method at terminal according to claim 6 is characterized in that, said step 206 also comprises:
If the voltage difference of said end cell and at least one said back splint battery is then charged to this back splint battery by said end cell more than or equal to first preset difference value.
8. the charge control method at terminal according to claim 6 is characterized in that, said step 206 also comprises:
Charging current when controlling said end cell said back splint battery being charged is in the predetermined current scope said charging current.
9. according to the charge control method at each described terminal in the claim 6 to 8, it is characterized in that, also comprise:
In said end cell and said at least one back splint battery, the voltage difference of two batteries that the calculating voltage value is maximum is the power supply of said terminal if said voltage difference, then utilizes the maximum battery of magnitude of voltage more than or equal to second preset difference value.
10. the charge control method at terminal according to claim 9 is characterized in that, also comprises:
If there is the maximum battery of a plurality of magnitudes of voltage, be the power supply of said terminal simultaneously then by the maximum battery of said a plurality of magnitudes of voltage.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210315831.9A CN102801197B (en) | 2012-08-30 | 2012-08-30 | Terminal and charge control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210315831.9A CN102801197B (en) | 2012-08-30 | 2012-08-30 | Terminal and charge control method thereof |
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| CN102801197A true CN102801197A (en) | 2012-11-28 |
| CN102801197B CN102801197B (en) | 2015-07-22 |
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| CN201210315831.9A Active CN102801197B (en) | 2012-08-30 | 2012-08-30 | Terminal and charge control method thereof |
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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 |
| CN105048621A (en) * | 2015-04-01 | 2015-11-11 | 深圳市科陆电气技术有限公司 | RFID (Radio Frequency Identification) hand-held terminal and double battery power supplying method thereof |
| CN110138942A (en) * | 2019-01-18 | 2019-08-16 | 青岛海信移动通信技术股份有限公司 | Terminal and processing method |
| US11179704B2 (en) * | 2016-11-14 | 2021-11-23 | Research Triangle Institute | Perovskite catalysts and uses thereof |
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| US20120049794A1 (en) * | 2010-08-30 | 2012-03-01 | Samsung Electro-Mechanics Co., Ltd. | Integrated charging device for electric vehicle |
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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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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN105048621A (en) * | 2015-04-01 | 2015-11-11 | 深圳市科陆电气技术有限公司 | RFID (Radio Frequency Identification) hand-held terminal and double battery power supplying method thereof |
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| CN110138942A (en) * | 2019-01-18 | 2019-08-16 | 青岛海信移动通信技术股份有限公司 | Terminal and processing method |
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| CN102801197B (en) | 2015-07-22 |
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