CN101399448B - Management device and method for battery charging - Google Patents
Management device and method for battery charging Download PDFInfo
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- CN101399448B CN101399448B CN2007100772736A CN200710077273A CN101399448B CN 101399448 B CN101399448 B CN 101399448B CN 2007100772736 A CN2007100772736 A CN 2007100772736A CN 200710077273 A CN200710077273 A CN 200710077273A CN 101399448 B CN101399448 B CN 101399448B
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Abstract
The invention discloses a battery charging management device under the shutdown state and a method thereof, and the method comprises the charging starting management step under the shutdown state and the charging finish management step after full charging. The charging starting management step comprises the following steps: A1 after each time of full charging and switching the power supply switching circuit to the interruption state, timing is started; B1, when the counted time reaches a first time, the electrical source manage circuit controls the electrical switching circuit to be the turn-on state, so as to communicate the battery module with the electrical source. The invention also discloses a method for managing battery charging. The invention facilitates battery charging managementto become simple under the shutdown state and realizes the low-power consumption design under the shutdown state.
Description
[technical field]
The present invention relates to the Charge Management of chargeable battery, relate in particular to a kind of battery charging management device and method under off-mode.
[background technology]
At present, a lot of equipment are all supported chargeable battery power supply, for example portable ultrasonic system.Chargeable battery needs charging automatically when electric weight is not enough, need the automatic disconnection charging after charging is finished, and this just need be equipped with charge management module to battery module.Generally, battery module comprises battery and battery parameter output unit, and the battery parameter output unit has two delivery outlets usually, and one is I
2C interface, the CPU that can make system is by this I
2C interface reads the electric weight of battery; The output of another delivery outlet be the charging current index signal, this delivery outlet is output low level under the situation of charging current non-vanishing (being that battery charges), in charging current is to export high level under the situation of zero (being that battery is full of).Under open state, whether charge management module charges to battery according to the electric weight decision of the battery that reads.And under off-mode, still can charging be managed according to the electric weight of battery.The content of Charge Management is generally simpler under the shutdown situation, needs charge closing after promptly battery electric quantity is full of, to increase the life-span of battery.Battery electric quantity is opened charging after dropping to certain value again, so that battery electric quantity is carried out replenishing timely.The common way of Charge Management is that the I of a single-chip microcomputer by battery module 7 is set in addition under the shutdown situation at present
2When the C bus reads the electric weight of battery, thereby judges when this opens charging, this charge closing.
But Charge Management itself has the requirement of low-power consumption, so that under the situation of shutdown, battery electric quantity can be not intact by very fast consumption.Charge Management passes through I under the shutdown situation at present
2The C bus reads the electric weight of battery, implements complicatedly, generally will cooperate the software of MCU (micro-control unit) to realize, has increased hardware cost, and it is also bigger to implement power consumption.
[summary of the invention]
Main purpose of the present invention solves the problems of the prior art exactly, a kind of charging controller and method of battery are provided, making does not need under the shutdown situation to determine charging according to the slippage of battery electric quantity, battery charging management is become simply, thus the low power dissipation design under the easier realization shutdown situation.
For achieving the above object, the invention provides a kind of battery charging management method, comprise charging beginning management process and charging end management process under the off-mode, described charging begins management process and may further comprise the steps:
A1, be full of at each battery and pick up counting after electricity and power supply switch circuit switch to off-state;
B1, when timing time during to the very first time, the power supply switch circuit that electric power management circuit control is used to be communicated with battery module and power supply or makes battery module be connected disconnection with power supply switches to on-state, when adapter is on the throne, promptly can charge, when adapter is not on the throne, make battery be in chargeable state, in case adapter connect, promptly chargeable.
Wherein, after described steps A 1 He before the step B1, also further may further comprise the steps:
Whether test adaptor is on the throne, when adapter is on the throne, and time out then; When adapter was not on the throne, the time of then continuing to suspend last time was carried out timing.
Further improvement of the present invention is that described battery module comprises battery and the battery parameter output unit that is used to export battery parameter, finish in the management process in described charging, described electric power management circuit determines whether to control power supply switch circuit according to the charging current index signal and switches to off-state.
Wherein, described charging end management process may further comprise the steps:
The charging current index signal of the battery parameter output unit output of A2, detection battery module;
Whether B2, test adaptor be on the throne, controls power supply switch circuit if adapter is not on the throne and keep on-state, the execution in step C2 if adapter is on the throne;
C2, electric power management circuit determine whether to control power supply switch circuit according to the charging current index signal and switch to off-state.
For achieving the above object, the present invention also provides a kind of battery charging management device, comprise electric power management circuit and be used to be communicated with battery module with power supply or make battery module be connected the power supply switch circuit that disconnects with power supply, described electric power management circuit comprises charging beginning administrative unit and charging end administrative unit under the off-mode, the output that described charging begins administrative unit and charging end administrative unit is coupled to power supply switch circuit, described battery charging management device also comprises timer, described timer is used for picking up counting after being full of electricity at every turn, and when timing time during to the very first time to charging beginning administrative unit output notice signal; Described charging begins administrative unit and is used for exporting first control signal to power supply switch circuit when receiving the notification signal of timer output, and the control power supply switch circuit is in on-state.
The described very first time is the default set time; Or the value of the unit interval power consumption gained of the described very first time when being the battery Full Charge Capacity with the difference of charging thresholding electric weight divided by off-mode, described battery charging management device also comprises very first time generation unit, it is used to calculate the described very first time.
Wherein, described electric power management circuit also comprises adapter in-place detection unit, and whether it is used for test adaptor on the throne, when adapter is on the throne, and timer time out then; When adapter was not on the throne, then the time of timer continuation time-out last time was carried out timing.
The invention has the beneficial effects as follows:
The present invention is timing after finishing in each charging, when timing is controlled power supply switch circuit energized and battery during to certain setting-up time so that battery begins to charge.Like this, whether the present invention controls according to the power consumption time to charge, do not need again the management that realizes charging and open by the electric weight that detects battery, therefore just do not need other set handling unit (as single-chip microcomputer) I by battery module after shutdown yet
2The C bus reads the electric weight of battery, does not need to be used to cooperate the software of control device, thereby has reduced the complexity and the cost of the hardware and software of Charge Management, make that the battery charging management under the shutdown situation becomes simply, the requirement of the low power dissipation design that has also satisfied simultaneously.
Under the preferred mode, the very first time can be full of the time acquisition of electricity back power consumption to the thresholding electric weight that charges by counting cell.And by being provided for setting the setup unit of charging thresholding, can adjust the battery charge thresholding, suitably reduce charging times, increase the life-span of battery according to user's needs; By reading the real-time Full Charge Capacity of battery when the open state, the Full Charge Capacity value of battery is made correction, can make the result of calculation of the very first time in the Charge Management of the present invention meet the actual behaviour in service of battery more.
[description of drawings]
Fig. 1 is the Charge Management flow chart of an embodiment of the present invention;
Fig. 2 is the Charge Management flow chart of the another kind of embodiment of the present invention;
Fig. 3 is the Charge Management flow chart of another embodiment of the present invention;
Fig. 4 is the charging controller structured flowchart of the embodiment of the invention;
Fig. 5 is the structured flowchart of another embodiment of the present invention.
[embodiment]
Feature of the present invention and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
Embodiment one:
Present embodiment is applicable to that the battery module to being under the off-mode carries out Charge Management, and battery module comprises battery and battery parameter output unit.In the prior art, this battery module is also referred to as intelligent battery, the battery parameter output unit adopts chip to realize usually, battery parameters such as the electric weight of responsible collection and counting cell, battery charge, and output high-low level signal comes having or not of pilot cell charging current.
Please refer to Fig. 4, the battery charging management device comprises electric power management circuit and power supply switch circuit 6, electric power management circuit comprises charging beginning administrative unit 4, charging finishes administrative unit 5, shutdown is Charge Management unit 8 constantly, setup unit 1, very first time generation unit 2 and timer 3, the output of setup unit 1 is coupled to the input of very first time generation unit 2, the output of very first time generation unit 2 is coupled to the input of timer 3, the output of counter is coupled to the input of charging beginning administrative unit 4, the electric weight detection signal output of battery module 7 is coupled to the shutdown input of Charge Management unit 8 constantly, the charging current index signal output of battery module 7 is coupled to the input that charging finishes administrative unit 5, charging beginning administrative unit 4, the output that charging finishes administrative unit 5 and shutdown moment Charge Management unit 8 is coupled to power supply switch circuit 6, and power supply switch circuit 6 is responsible for connecting the battery in charge power supply and the battery module 7.
Setup unit 1 is used to preestablish the battery charge threshold percentage, promptly compares the percentage value of the maximum chargeable amount of battery full capacity; Can be directly to set the charging threshold percentage, also can be to be converted to setting to the charging threshold percentage by setting charging thresholding electric weight.
Very first time generation unit 2 is used to calculate very first time n, this very first time n=(1-P%) N, wherein, N=Q/q, Q is the Full Charge Capacity of battery when being filled, and q is the electric weight that the electric power management circuit unit interval is consumed under the battery shutdown situation, and P% is predefined charging threshold percentage.The very first time can be selected suitable unit according to actual conditions, for example the unit of the very first time can be " my god ", also can be " hour ".
Timer 3 is used for picking up counting after each charging finishes, and when timing time during to the very first time n output notice signal to charging begin administrative unit 4.
Shutdown Charge Management unit 8 constantly is used for after responding off signal, outputs control signals to power supply switch circuit 6, and power supply and battery are connected, and battery begins charging.
Charging beginning administrative unit 4 is used for exporting first when receiving the signal of timer 3 outputs and controls signal to power supply switch circuit 6, and control power supply switch circuit 6 energized and battery are so that battery begins charging.
Charging finishes administrative unit 5 and comprises the charging current index signal acquisition module and the second control signal output module, charging current index signal acquisition module receives the charging current index signal of battery module 7 outputs, the second control signal output module is used for determining whether to export second according to the charging current index signal and controls signal to power supply switch circuit 6, make power supply switch circuit 6 switch to off-state, with of the be electrically connected disconnection of control power supply with battery.
The Charge Management flow process of present embodiment battery charging management device please refer to Fig. 1.
Charging immediately after the shutdown.During shutdown, shutdown Charge Management unit is constantly made response to off signal, and the output control signal is connected power supply switch circuit, even power supply and battery are connected, if adapter is on the throne, even battery begins charging, is full of up to battery.
Enter after the charged state, the charging current index signal acquisition module that charging finishes in the administrative unit receives the charging current index signal of being exported by the battery parameter output unit of battery module.When detecting the charging current index signal and be high level, judge that this moment, charging current was zero, the expression battery is full of, promptly send second control signal to power supply switch circuit, the control power supply switch circuit switches to off-state, to disconnect being electrically connected of charge power supply and battery, finishes this time to charge.When detecting the charging current index signal and be low level, the expression battery is also in charging, and the second control signal output module is not exported second control signal.
After being full of electricity and power supply switch circuit and switching to off-state, timer promptly picks up counting according to clock signal.Because battery has a spot of electric quantity loss under off-mode, for example electric power management circuit is given in power supply, so electric weight constantly descends.The upper limit of timing is the very first time n that calculates according to Full Charge Capacity and charging thresholding voltameter, be that battery is when working under off-mode, battery falls to the time (for meeting the operating position of battery, the very first time is unit with the sky) that charging thresholding electric weight is consumed by Full Charge Capacity.When timing time arrives very first time n, timer output notice signal is to electric power management circuit, electric power management circuit responds this signal, output first controls signal to power supply switch circuit, the control power supply switch circuit switches to on-state, with energized and battery, battery enters charged state once more.
Battery module is in charging, discharge condition successively under the control action of electric power management circuit.
Because very first time n days timings realize by timer, so this time can be set, promptly how many battery electric quantities falls and just opens charging and can set.Further, can allow user oneself that the numerical value of P is set or provide several different numerical value allow the user select, so that allow the user carry out Charge Management according to the needs of oneself.The user also can directly set charging thresholding electric weight.For example, the user may not use this system for a long time, and what just the numerical value of P can be provided with is less, and the charging times in the time of can reducing the user like this and do not use this system extends the life of a cell; If the user frequently uses this system possibly, what so just the numerical value of P should be provided with is bigger.
In addition, the very first time also can be a default set time, can rule of thumb be set by the user.Pick up counting after charging electricity, timing is promptly controlled the power supply switch circuit connection after this default set time, if adapter is on the throne, promptly begin battery is charged at every turn.When the described very first time was the set time of presetting, apparatus of the present invention embodiment can not need very first time generation unit, can not have the step of computing time among the inventive method embodiment.
Power supply switch circuit can be electronic switch, variable connector or the switching device that is made of metal-oxide-semiconductor, triode.
Embodiment two:
Do not consider whether adapter on the throne during the timer timing among the embodiment one, when the timer timing to setting-up time, promptly control power supply switch circuit and connect, if this moment, adapter was not on the throne, can't be to battery charge, in case but adapter plug, promptly can charge to battery.
The charging controller of present embodiment is compared with embodiment one, difference is to have considered the existence of adapter in charging beginning step, increased adapter in-place detection unit, whether adapter in-place detection unit is used for test adaptor on the throne, and to timer output control signal corresponding.Its Charge Management flow chart as shown in Figure 2, when the timer timing, whether test adaptor on the throne, when adapter is on the throne, then controls the timer time out, when adapter is not on the throne, then controls the time that timer continues to suspend last time and carries out timing.Also consider the existence of adapter in the charging end step, when charging current index signal indication charging current was zero, whether test adaptor was on the throne, when adapter is on the throne, then controls power supply switch circuit and switches to off-state, makes the battery complete charge; When adapter is not on the throne, in this case, might be battery and underfill, to make charging current index signal indication charging current be zero but owing to adapter is extracted, then control power supply switch circuit still keep on-state this moment, so that adapter when in a single day connecting, can continue charging.
Embodiment three:
The charging controller of present embodiment is compared with embodiment one, two, and difference is the Charge Management constantly that shuts down, and has increased shutdown Charge Management unit 8 constantly.Shutdown in present embodiment Charge Management unit 8 constantly comprises battery electric quantity acquisition module, judge module and computing module.The shutdown of battery moment electric weight Qs when wherein, the battery electric quantity acquisition module is used to obtain shutdown; Judge module is used for shutdown moment electric weight Qs and predefined charging thresholding electric weight Q
CTCompare, when shutdown moment electric weight is higher than charging thresholding electric weight, export the 3rd control signal, be lower than charging thresholding electric weight, export the 4th and control signal to the beginning administrative unit 4 of charging at shutdown moment electric weight; Computing module is used to respond the 3rd control signal, calculates shutdown moment electric weight Qs and drops to charging thresholding electric weight Q
CTThe second time N
C, described N
C=(Q
S-Q
CT)/q; Timer 3 responses the 3rd control signal picks up counting after shutdown, when timing time reaches the second time N
CThe time, the output notice signal is to charging beginning administrative unit 4.
Accordingly, compare with embodiment one, two, the difference of the charging management method of present embodiment is the Charge Management step constantly of shutting down.The Charge Management flow process of present embodiment please refer to Fig. 3.
When shutdown, shutdown Charge Management unit 8 response off signals is constantly started working, and at first reads the shutdown moment electric weight Qs of battery;
Next, with the shutdown moment electric weight Qs and the predefined charging thresholding electric weight Q that read
CTCompare, judge shutdown electric weight Qs and charging thresholding electric weight Q constantly
CTHeight.
If shutdown electric weight constantly is lower than charging thresholding electric weight, then electric power management circuit control battery begins charging, up to being full of, after this continues the management of battery module 7 chargings, discharge according to the mode of embodiment one.
If shutdown electric weight constantly is higher than charging thresholding electric weight, further calculates shutdown moment electric weight Qs and drop to charging thresholding electric weight Q
CTThe second time N
C, N
C=(Q
S-Q
CT)/q; Do not charge after the shutdown, battery module 7 is in the discharge operating state, timer 3 timing simultaneously, when timing time to the second time N
CThe time, electric power management circuit control battery finishes discharge, begins charging, up to being full of, after this continues the management of battery module 7 chargings, discharge according to the mode of embodiment one.Charging thresholding electric weight Q
CTCan adjust by setup unit 1 according to user's needs equally.
The second time N in the present embodiment
CTAlso can design difference-time table of comparisons in advance, calculate shutdown electric weight Qs and charging thresholding electric weight Q constantly by the acquisition of tabling look-up
CTDifference, this difference pairing time in the table of comparisons was for second time.
Shutdown in present embodiment Charge Management step constantly also can be considered the existence of adapter, and promptly when the timer timing, whether test adaptor is on the throne, when adapter is on the throne, then control the timer time out, when adapter is not on the throne, then controls timer and continue timing.
Among the present invention, because battery can descend with the total electric weight Q of battery long afterwards, and when shutdown the electric weight q that consumes every day of electric power management circuit be constant, so the total electrical parameter Q of battery that will use during to very first time n calculating very first time n carries out suitable correction, can reach better effect.Drop to Q ' as the total electric weight of battery, can keep when then expiring the battery shutdown discharge work Q '/q=N ' day.Be the charging threshold percentage if set P%, the N ' of n '=(1-P%) then arranged, thereby can calculate n ', promptly the very first time n that opens charging is adjusted, meet the user mode of battery more.
Particularly, can before carrying out the shutdown Charge Management, revise according to following steps:
A. under open state, after being full of electricity, reads by battery the real-time Full Charge Capacity of battery;
B. calculate described very first time n according to real-time Full Charge Capacity.
Be the present embodiment circuit block diagram as shown in Figure 5, preferred low-power consumption CPLD (ComplexProgrammable Logic Device) realizes electric power management circuit.Wherein the clock in the equipment can be used as timer, because the time of timer 3 timing is longer in the Charge Management of the present invention, generally with timing over the sky, so satisfying under the situation of other function, the preferred clock as far as possible at a slow speed of clock that the CPLD sequential logic is used, timing promptly can be saved the resource of CPLD like this, and is favourable to reducing power consumption again.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (19)
1. battery charging management device, comprise electric power management circuit and be used to be communicated with battery module with power supply or make battery module be connected the power supply switch circuit (6) that disconnects with power supply, described electric power management circuit comprises charging beginning administrative unit (4) and charging end administrative unit (5) under the off-mode, the output that described charging begins administrative unit (4) and charging end administrative unit (5) is coupled to power supply switch circuit (6), it is characterized in that: described battery charging management device also comprises timer (3), described timer (3) is used for picking up counting after being full of electricity at every turn, and when timing time during to the very first time to charging beginning administrative unit (4) output notice signal; Described charging begins administrative unit (4) and is used for exporting first control signal to power supply switch circuit (6) when receiving the notification signal of timer (3) output, and control power supply switch circuit (6) is in on-state.
2. battery charging management device as claimed in claim 1 is characterized in that: the described very first time is the default set time; Or the value of the unit interval power consumption gained of the described very first time when being the battery Full Charge Capacity with the difference of charging thresholding electric weight divided by off-mode, described battery charging management device also comprises very first time generation unit, it is used to calculate the described very first time.
3. battery charging management device as claimed in claim 2 is characterized in that: described electric power management circuit also comprises adapter in-place detection unit, and whether it is used for test adaptor on the throne, when adapter is on the throne, and timer time out then; When adapter was not on the throne, then the time of timer continuation time-out last time was carried out timing.
4. as each described battery charging management device in the claim 1 to 3, it is characterized in that: also comprise shutdown Charge Management unit (8) constantly, power supply switch circuit (6) is coupled in the described shutdown output of Charge Management unit (8) constantly, be used for after responding off signal, be used to control the control signal that power supply switch circuit (6) is in on-state to power supply switch circuit (6) output.
5. as each described battery charging management device in the claim 1 to 3, it is characterized in that: also comprise shutdown Charge Management unit (8) constantly, described shutdown Charge Management unit (8) constantly comprising:
The battery electric quantity acquisition module, the shutdown of battery module moment electric weight when being used to obtain shutdown;
Judge module is used for shutdown moment electric weight and predefined charging thresholding electric weight are compared, and when shutdown moment electric weight is higher than charging thresholding electric weight, exports the 3rd control signal; Be lower than charging thresholding electric weight at shutdown moment electric weight, to charging beginning administrative unit (4) output the 4th control signal, make beginning administrative unit (4) output first control signal of charging, control power supply switch circuit (6) is in on-state;
Computing module, be used to respond the 3rd control signal, calculate shutdown constantly electric weight drop to second time of charging thresholding electric weight, described second time is the value of the unit interval power consumption gained of shutdown when the difference of electric weight and charging thresholding electric weight is divided by off-mode constantly;
Described timer (3) response the 3rd control signal, after shutdown, pick up counting, when timing time reached for second time, the output notice signal is to charging beginning administrative unit (4), described charging begins administrative unit (4) and export first control signal to power supply switch circuit (6) when receiving the notification signal of timer (3) output, and control power supply switch circuit (6) is in on-state.
6. the battery charging management method comprises charging beginning management process and charging end management process under the off-mode, and it is characterized in that: described charging begins management process and may further comprise the steps:
A1, be full of at each battery and pick up counting after electricity and power supply switch circuit switch to off-state;
B1, when timing time during to the very first time, the power supply switch circuit that electric power management circuit control is used to be communicated with battery module and power supply or makes battery module be connected disconnection with power supply switches to on-state.
7. battery charging management method as claimed in claim 6 is characterized in that: the described very first time is the default set time.
8. battery charging management method as claimed in claim 6 is characterized in that: the unit of the described very first time is the sky.
9. battery charging management method as claimed in claim 6, it is characterized in that: the described very first time is calculated by the charging thresholding electric weight that the user selects in advance, the value of the unit interval power consumption gained of the difference that is specially battery Full Charge Capacity and charging thresholding electric weight during divided by off-mode.
10. battery charging management method as claimed in claim 9 is characterized in that: described battery Full Charge Capacity is selected from any in the actual Full Charge Capacity of the Full Charge Capacity of specified Full Charge Capacity, user preset of battery and the battery that obtains under open state.
11. battery charging management method as claimed in claim 6 is characterized in that: after described steps A 1 and step B1 before further comprising the steps of:
Whether test adaptor is on the throne, when adapter is on the throne, and time out then; When adapter was not on the throne, the time of then continuing to suspend last time was carried out timing.
12. as each described battery charging management method in the claim 6 to 11, it is characterized in that: described battery module comprises battery and is used to export the battery parameter output unit of battery parameter, finish in the management process in described charging, described electric power management circuit determines whether to control power supply switch circuit according to the charging current index signal and switches to off-state.
13. battery charging management method as claimed in claim 12 is characterized in that: described charging finishes management process and may further comprise the steps:
The charging current index signal of the battery parameter output unit output of A2, detection battery module;
Whether B2, test adaptor be on the throne, controls power supply switch circuit if adapter is not on the throne and keep on-state, the execution in step C2 if adapter is on the throne;
C2, electric power management circuit determine whether to control power supply switch circuit according to the charging current index signal and switch to off-state.
14. as each described battery charging management method in the claim 6 to 11, it is characterized in that: further comprising the steps of: electric power management circuit control power supply switch circuit switches to on-state when each shutdown.
15. battery charging management method as claimed in claim 12 is characterized in that: further comprising the steps of: electric power management circuit control power supply switch circuit switches to on-state when each shutdown.
16. battery charging management method as claimed in claim 13 is characterized in that: further comprising the steps of: electric power management circuit control power supply switch circuit switches to on-state when each shutdown.
17., it is characterized in that when each shutdown further comprising the steps of as each described battery charging management method in the claim 6 to 11:
A3, the shutdown electric weight constantly that the time reads battery module in shutdown;
To shut down constantly electric weight and predefined charging thresholding electric weight of B3, electric power management circuit compared, if shutdown constantly electric weight be higher than charging thresholding electric weight, then control power supply switch circuit and be in off-state, and execution in step C3; If shutdown electric weight constantly is lower than charging thresholding electric weight, then electric power management circuit control power supply switch circuit is in on-state;
C3, calculating shutdown moment electric weight drop to second time of charging thresholding electric weight, and described second time is determined by the difference of the shutdown moment electric weight and the thresholding electric weight that charges;
D3, timer pick up counting after shutdown;
E3, when timing time during to second time, electric power management circuit control power supply switch circuit switches to on-state.
18. battery charging management method as claimed in claim 17 is characterized in that: described second time is the value of the unit interval power consumption gained of shutdown when constantly the difference of electric weight and charging thresholding electric weight is divided by off-mode; Or described second time is difference in the difference-time table of comparisons the pairing time of shutdown moment electric weight with charging thresholding electric weight.
19. battery charging management method as claimed in claim 17 is characterized in that: after described step D3 and step e 3 before further comprising the steps of:
Whether test adaptor is on the throne, when adapter is on the throne, and time out then; When adapter was not on the throne, the time of then continuing to suspend last time was carried out timing.
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| CN104052131B (en) * | 2014-07-04 | 2016-04-13 | 中国联合网络通信集团有限公司 | Charge control method, electric quantity monitoring device and charger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305521A (en) * | 2014-07-31 | 2016-02-03 | 联想(北京)有限公司 | Control method, microcontroller, adapter controller, adapter and electronic equipment |
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Application publication date: 20090401 Assignee: Shenzhen Mindray Animal Medical Technology Co.,Ltd. Assignor: SHENZHEN MINDRAY BIO-MEDICAL ELECTRONICS Co.,Ltd. Contract record no.: X2022440020009 Denomination of invention: Battery charge management device and method Granted publication date: 20110126 License type: Common License Record date: 20220804 |
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