CN103545563A - Method and device for activating rechargeable battery - Google Patents
Method and device for activating rechargeable battery Download PDFInfo
- Publication number
- CN103545563A CN103545563A CN201210243104.6A CN201210243104A CN103545563A CN 103545563 A CN103545563 A CN 103545563A CN 201210243104 A CN201210243104 A CN 201210243104A CN 103545563 A CN103545563 A CN 103545563A
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- Prior art keywords
- battery
- charge
- power supply
- voltage
- overdischarge
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a method and a device for activating a rechargeable battery. The method comprises the following steps: detecting whether the battery is in an over-discharge locking state or not by a power supply management chip when a charge power supply is connected, and controlling the charge power supply to exert an activation voltage higher than the voltage of the battery onto the battery to activate the battery by the power supply management chip when the battery is in the over-discharge locking state. According to the method and the device for activating the rechargeable battery, a charge tube is controlled to be communicated with a battery tube, and then a high voltage is directly exerted onto the battery, so that the battery is activated; an original charge circuit still serves as a hardware circuit, so that the cost of hardware is not increased; meanwhile, the control process is simple, flexible and reliable. According to the method and the device for activating the rechargeable battery, whether the battery is in the over-discharge locking state or not can be detected automatically, and the battery can be activated only by communicating the charge tube and the battery tube and exerting the high-voltage power supply onto two ends of the battery in such a case that the charge power supply is connected when the battery is in the over-discharge locking state and cannot be charged.
Description
Technical field
The present invention relates to battery technology field, relate in particular to a kind of method and device of activating charge battery.
Background technology
In controlling, the charging to battery generally comprises at present following process: trickle charge process-quick charge process-constant voltage or pulse current charge process-charging knot speed.Trickle charge process is mainly for battery over-discharge, while exporting too low and minimum requirements that the system that can not reach is required and the charging of carrying out action.In this case, battery is state of activation, is the state that can charge, and the battery locking for overdischarge cannot charge to battery by trickle charge mode, and the common solution of this situation is:
(1) change battery in good condition, the battery that can charge normal;
(2) battery is taken out, the equipment that use can activated batteries (as, universal charger, power supply) activated batteries.
And to the handheld terminal of internal battery (as iPad), user cannot take out battery, these two kinds of methods are all inoperative.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method and device of activating charge battery, in the situation that not changing charging circuit, realizes the internal battery in overdischarge lock-out state is activated.
For solving the problems of the technologies described above, the method for a kind of activating charge battery of the present invention, comprising:
Whether power management chip, after charge power supply access being detected, detects battery in overdischarge lock-out state, if battery in overdischarge lock-out state, is controlled charge power supply, battery is applied to the activation voltage higher than cell voltage, to activate described battery.
Further, described control charge power supply applies the activation voltage higher than cell voltage to battery, comprising:
Described power management chip is not when described battery connects Charge Management path, and the ON time of controlling the charging valve being connected with described battery reaches very first time threshold value.
Further, described control charge power supply applies the activation voltage higher than cell voltage to battery, comprising:
Described power management chip, when described battery is connected with Charge Management path, is controlled described Charge Management path and the ON time of the charging valve that is connected with described Charge Management path reaches very first time threshold value.
Further, whether detect battery in overdischarge lock-out state, comprising:
Whether the current voltage that detects battery is less than low-voltage valve limit value, if be less than, battery is charged, in the charging interval, reach after the second time threshold, whether the current voltage that judges battery raises, if the current voltage of battery does not raise, judges that battery is in overdischarge lock-out state.
Further, described Charge Management path is cell tube.
Further, described charging valve and cell tube are triode or field effect transistor.
Further, also comprise: described power management chip is detecting battery after overdischarge lock-out state, also judge whether the activation number of times of battery is reached to activation frequency threshold value, if reached, judge that described battery damages; If do not reached, control charge power supply battery is applied to the activation voltage higher than battery rated voltage, and accumulative total activates number of times.
Further, a kind of device of activating charge battery, comprising: charge power supply detecting unit, battery status detecting unit and active control unit, wherein:
Whether described charge power supply detecting unit, access for detection of charge power supply;
Whether described battery status detecting unit, for detecting at described charge power supply detecting unit after charge power supply access, detect battery in overdischarge lock-out state;
Described active control unit, for battery being detected after overdischarge lock-out state at described battery status detecting unit, controls charge power supply battery is applied to the activation voltage higher than cell voltage, to activate described battery.
Further, described active control unit, specifically for when described battery does not connect Charge Management path, the ON time of controlling the charging valve being connected with described battery reaches very first time threshold value.
Further, described active control unit, specifically for when described battery is connected with Charge Management path, controls described Charge Management path and the ON time of the charging valve that is connected with described Charge Management path reaches very first time threshold value.
In sum, the present invention, by controlling charging valve and cell tube conducting, is directly added to high voltage on battery, thus activated batteries, and hardware circuit keeps former charging circuit constant, does not increase hardware cost; And it is simple, flexible, reliable that control procedure realizes.The present invention makes a definite diagnosis battery automatically whether in overdischarge lock-out state, when when overdischarge lock-out state cannot charge, in the situation that inserting charge power supply, only need to control the two the conducting of charging valve and cell tube, high voltage source is added to battery two ends and gets final product activated batteries.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the charging circuit of the present invention when battery does not connect Charge Management path;
Fig. 2 is the circuit diagram of the charging circuit of the present invention when battery connects Charge Management path;
Fig. 3 is the flow chart of the present invention's method of activating charge battery when battery connects Charge Management path;
Fig. 4 is the flow chart of the present invention's method of activating charge battery when battery does not connect Charge Management path;
Fig. 5 is the Organization Chart of the device of activating charge battery of the present invention.
Embodiment
In present embodiment, handheld terminal self utilizes charger output high pressure (as 5.0V), in the situation that keeping charging circuit constant, realizes the battery initiatively activating after overdischarge locking by control, can charge normal.
The working mechanism of this method is that utilization (1) charger output voltage is high voltage source (as 5.0V), is greater than cell voltage (as 3.7V); (2) charging triode or metal-oxide-semiconductor can be controlled; (3) battery triode or metal-oxide-semiconductor can be controlled, and to there is no the charging circuit of charge path management, can omit this part.
Present embodiment (comprises charging triode or metal-oxide-semiconductor and battery triode or metal-oxide-semiconductor by triode or the metal-oxide-semiconductor of controlling between charger output and battery; Or only comprise charging triode or metal-oxide-semiconductor) conducting, make charger output be added to battery two ends higher than the activation voltage of cell voltage, thus activated batteries.
Below the method for activating charge battery is described.
(1) for the charging circuit that there is no Charge Management path.
(1) output voltage of charger is greater than 3.7V.
(2) conducting of charging triode or metal-oxide-semiconductor and cut-off can be controlled.
(3) when the access of external charging power supply having been detected, whether the current voltage that detects battery is less than low-voltage valve limit value (as 3.3V), if, battery is charged, charging interval is the second time threshold (as 5 seconds), whether the current voltage that judges again battery raises, if do not raise, judges that battery is in overdischarge lock-out state.Then whether judgement activates number of times over activating number of times threshold values (as 5 times), if surpass, confirm that battery is bad battery, otherwise, implement high pressure and activate, control the conducting of charging triode (or metal-oxide-semiconductor), ON time is very first time threshold value, and charger output HIGH voltage, is added to battery two ends like this, activate, activate number of times and add 1.
(4) cancel the control of charging triode (or metal-oxide-semiconductor), and repeat above-mentioned to battery charging and judge whether in operations such as overdischarge lock-out states.
(2) for the charging circuit that has Charge Management path
(1) output voltage of charger is greater than 3.7V.
(2) conducting of charging triode or metal-oxide-semiconductor and cut-off can be controlled.
(3) conducting of battery triode or metal-oxide-semiconductor and cut-off can be controlled.
(4) when the access of external charging power supply having been detected, whether the current voltage that detects battery is less than low-voltage valve limit value (as 3.3V), if, battery is charged, charging interval is the second time threshold (as 5 seconds), whether the current voltage that judges again battery raises, if do not raise, judges that battery is in overdischarge lock-out state.Then whether judgement activates number of times over activating number of times threshold values (as 5 times), if surpass, confirm that battery is bad battery, otherwise, enforcement high pressure activates, control battery metal-oxide-semiconductor (or triode) conducting, control again the conducting of charging triode (or metal-oxide-semiconductor), or first control the conducting of charging triode (or metal-oxide-semiconductor), then control battery metal-oxide-semiconductor (or triode) conducting, these two parts are controlled order in no particular order, charger output HIGH voltage like this, be added to battery two ends, activate, activate number of times and add 1.
(5) cancel the control of charging triode (or metal-oxide-semiconductor) and battery metal-oxide-semiconductor (or triode), and repeat above-mentioned battery is charged and judged whether in operations such as overdischarge lock-out states.
Below in conjunction with accompanying drawing, the method for the activating charge battery of present embodiment is described.
Fig. 1 is the charging circuit without Charge Management path of present embodiment, comprising: charging triode or metal-oxide-semiconductor 101, battery 102, power management chip 103.VCHG is charging detection pin, and CHG_CTR is that charging triode or metal-oxide-semiconductor are controlled pin, and VDD is PM input power; 104 is charger.
Fig. 2 is the charging circuit that has Charge Management path of present embodiment, comprising: charging triode or metal-oxide-semiconductor 101, battery 102, power management chip 103, charger 104 and battery metal-oxide-semiconductor or triode 205.VCHG is charging detection pin, and CHG_CTR is that charging triode or metal-oxide-semiconductor are controlled pin, and VDD is PM input power, and BAT_FET is that battery metal-oxide-semiconductor or triode are controlled pin.
Fig. 3 is the method for the activating charge battery of present embodiment, and the charging circuit for there being Charge Management path, comprising:
Step 302, power management chip is after charger access being detected, and whether the current voltage that detects battery is less than low-voltage valve limit value (as 3.3V), if so, performs step 303, otherwise, carry out 306;
Fig. 4 is the method for the activating charge battery of present embodiment, and the charging circuit for there is no Charge Management path, comprising:
Step 401, whether power management chip detects charger and accesses;
Step 402, power management chip is after charger access being detected, and whether the current voltage that detects battery is less than low-voltage valve limit value (as 3.3V), if so, performs step 403, otherwise, carry out 406;
Step 403, charges to battery, and the charging interval is the second time threshold (as 5 seconds), judges whether the current voltage of battery raises, if do not have, judges that battery, in overdischarge lock-out state, carries out 404; Otherwise, carry out 406;
Step 404, judgement activates number of times and whether surpasses activation number of times threshold values (as 5 times), if surpass, confirms that battery is bad battery, carries out 406; Otherwise, carry out 405 and carry out activation manipulation;
Step 405, controls charging valve (triode or metal-oxide-semiconductor) conducting very first time threshold value (as 1 second), makes charger output high pressure (activation voltage) be added to battery two ends, then control charging valve cut-off, high pressure on battery is disconnected, recover to charge normal, activate number of times and add 1;
Step 406, activates and finishes.
As shown in Figure 5, present embodiment also provides a kind of device of activating charge battery, comprising: charge power supply detecting unit, battery status detecting unit and active control unit, wherein:
Whether charge power supply detecting unit, access for detection of charge power supply;
Whether battery status detecting unit, for detecting at charge power supply detecting unit after charge power supply access, detect battery in overdischarge lock-out state;
Active control unit, for battery being detected after overdischarge lock-out state at battery status detecting unit, controls charge power supply battery is applied to the activation voltage higher than cell voltage, with activated batteries.
Active control unit, when not connecting Charge Management path at battery, the ON time of controlling the charging valve being connected with battery reaches very first time threshold value; Or active control unit, when being connected with Charge Management path at battery, controls Charge Management path and the ON time of the charging valve that is connected with Charge Management path reaches very first time threshold value.
In sum, the method and apparatus implement device of the activating charge battery that present embodiment proposes is simple, without hardware cost, and control method is simple and reliable.Obvious advanced part and advantage have been compared with homogeneous system.
Claims (10)
1. a method for activating charge battery, is characterized in that, comprising:
Whether power management chip, after charge power supply access being detected, detects battery in overdischarge lock-out state, if battery in overdischarge lock-out state, is controlled charge power supply, battery is applied to the activation voltage higher than cell voltage, to activate described battery.
2. the method for claim 1, is characterized in that, described control charge power supply applies the activation voltage higher than cell voltage to battery, comprising:
Described power management chip is not when described battery connects Charge Management path, and the ON time of controlling the charging valve being connected with described battery reaches very first time threshold value.
3. the method for claim 1, is characterized in that, described control charge power supply applies the activation voltage higher than cell voltage to battery, comprising:
Described power management chip, when described battery is connected with Charge Management path, is controlled described Charge Management path and the ON time of the charging valve that is connected with described Charge Management path reaches very first time threshold value.
4. method as claimed in claim 2 or claim 3, is characterized in that, whether detects battery in overdischarge lock-out state, comprising:
Whether the current voltage that detects battery is less than low-voltage valve limit value, if be less than, battery is charged, in the charging interval, reach after the second time threshold, whether the current voltage that judges battery raises, if the current voltage of battery does not raise, judges that battery is in overdischarge lock-out state.
5. method as claimed in claim 3, is characterized in that, described Charge Management path is cell tube.
6. method as claimed in claim 4, is characterized in that, described charging valve and cell tube are triode or field effect transistor.
7. the method for claim 1, is characterized in that, also comprises:
Described power management chip is detecting battery after overdischarge lock-out state, also judges whether the activation number of times of battery is reached to activation frequency threshold value, if reached, judges that described battery damages; If do not reached, control charge power supply battery is applied to the activation voltage higher than battery rated voltage, and accumulative total activates number of times.
8. a device for activating charge battery, is characterized in that, comprising: charge power supply detecting unit, battery status detecting unit and active control unit, wherein:
Whether described charge power supply detecting unit, access for detection of charge power supply;
Whether described battery status detecting unit, for detecting at described charge power supply detecting unit after charge power supply access, detect battery in overdischarge lock-out state;
Described active control unit, for battery being detected after overdischarge lock-out state at described battery status detecting unit, controls charge power supply battery is applied to the activation voltage higher than cell voltage, to activate described battery.
9. device as claimed in claim 8, is characterized in that:
Described active control unit, specifically for when described battery does not connect Charge Management path, the ON time of controlling the charging valve being connected with described battery reaches very first time threshold value.
10. device as claimed in claim 8, is characterized in that:
Described active control unit, specifically for when described battery is connected with Charge Management path, controls described Charge Management path and the ON time of the charging valve that is connected with described Charge Management path reaches very first time threshold value.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210243104.6A CN103545563B (en) | 2012-07-13 | 2012-07-13 | A kind of method and device of activating charge battery |
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| CN201210243104.6A CN103545563B (en) | 2012-07-13 | 2012-07-13 | A kind of method and device of activating charge battery |
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| CN103545563A true CN103545563A (en) | 2014-01-29 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104009265A (en) * | 2014-05-22 | 2014-08-27 | Tcl通讯（宁波）有限公司 | Battery activation method and device of mobile terminal |
| WO2014177109A2 (en) * | 2013-12-30 | 2014-11-06 | 中兴通讯股份有限公司 | Terminal battery activation method, device and terminal |
| CN104270530A (en) * | 2014-10-17 | 2015-01-07 | 深圳市中兴移动通信有限公司 | Method and device for preventing starting abnormity and mobile terminal |
| CN110138056A (en) * | 2019-06-27 | 2019-08-16 | 深圳莱福德科技股份有限公司 | Emergency power supply guard method and device |
| CN110518673A (en) * | 2019-09-20 | 2019-11-29 | 歌尔股份有限公司 | Wireless headset charging circuit, wireless headset and wireless headset charging method |
| CN113300431A (en) * | 2021-05-31 | 2021-08-24 | 山东圣阳电源股份有限公司 | Charging method of lithium battery pack and related assembly thereof |
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| WO2014177109A2 (en) * | 2013-12-30 | 2014-11-06 | 中兴通讯股份有限公司 | Terminal battery activation method, device and terminal |
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| CN110518673A (en) * | 2019-09-20 | 2019-11-29 | 歌尔股份有限公司 | Wireless headset charging circuit, wireless headset and wireless headset charging method |
| CN113300431A (en) * | 2021-05-31 | 2021-08-24 | 山东圣阳电源股份有限公司 | Charging method of lithium battery pack and related assembly thereof |
| CN113300431B (en) * | 2021-05-31 | 2023-08-15 | 山东圣阳电源股份有限公司 | Charging method of lithium battery pack and related components thereof |
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| CN103545563B (en) | 2016-12-21 |
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