CN101515724A - Charge/discharge method for storage battery and system - Google Patents
Charge/discharge method for storage battery and system Download PDFInfo
- Publication number
- CN101515724A CN101515724A CN 200810057914 CN200810057914A CN101515724A CN 101515724 A CN101515724 A CN 101515724A CN 200810057914 CN200810057914 CN 200810057914 CN 200810057914 A CN200810057914 A CN 200810057914A CN 101515724 A CN101515724 A CN 101515724A
- Authority
- CN
- China
- Prior art keywords
- current
- pwm value
- storage battery
- charging
- charge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- Y02E60/12—
Landscapes
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a charge method for a storage battery, which comprises: step 1, calculating a current limiting value of the storage battery according to the parameter of the storage battery; and step 2, circularly acquiring the charge current of the storage battery, and adjusting a current PWM value according to the relation between the charge current and the current limiting value so as to adjust the charge current according to the current limiting value. The method and the system avoid entering inaccurate charge control flow due to inaccurate stage in electric quantity calculation of the storage battery, and increase the protection for the storage battery switched from a discharge state to a charge state so as to avoid impact and damage to the storage battery caused by over-high transient current. Moreover, the invention also provides battery discharge protection control to achieve the aims of protecting self property and prolonging the service life of the storage battery.
Description
Technical field
The present invention relates to field of power supplies, relate in particular to a kind of charging and discharging of accumulator method and system.
Background technology
High speed development along with the communication technology, mobile communication becomes necessary part in people's daily life gradually, therefore, for providing the stability of the system equipment work such as base station of mobile communication, the user more becomes important, whether and the most basic condition of base station equipment operate as normal---power subsystem normal power supply, then become mobile communication system stable operation indispensable total prerequisite.
Base station equipment adopts civil power as main electricity, civil power is converted to behind the power supply type that equipment needs for its use, and the unsteadiness of civil power itself has also determined storage battery as the existing necessity of backup battery.The following load of carrying is base station equipment.
At present base station system to the occupation mode of storage battery is: when the civil power outage or other occur when unusual, storage battery is an electric as stand-by power supply, can guarantee that whole base station system still can move the regular hour, and finish operations such as backup between guaranteeing at this moment significant data.,, after storage battery power supply arrives to a certain degree, itself and load are disconnected the infringement in battery performance and life-span for fear of discharging too much; Behind the city power recovery, be that storage battery carries out stable charging by control, adjusting civil power to the output voltage values of storage battery, and at civil power just often, charging process exist always.
Generally, the charge mode of storage battery is divided into all fills and two kinds of floating charges.
For different manufacturers, the battery of different model all has different optimum operating voltages, and under this voltage condition, what battery performance can be best is brought into play.This operating voltage promptly is " float charge voltage ".
Under the normal situation of civil power, storage battery generally is in floating charge state.Under the short situation of mains failure, the capacity of storage battery loss is very little.At this time, only need floating charge just can finish boost charge.The terminal voltage of storage battery will slowly rise to the float charge voltage value by final discharging voltage.
Battery will be emitted more chemical energy under the long situation that has a power failure, therefore need boost charge behind the city power recovery.When capacitance loss was more, lower float charge voltage can not make that capacity recovers as soon as possible.Therefore be necessary to improve battery charging voltage.This voltage promptly is battery " even charging voltage ".
Two kinds of charge modes are the current limliting pressure regulation, promptly guaranteeing that the charge in batteries electric current maintains under best maximum charging current (the calling cut-off current in the following text) prerequisite up and down, promote the output voltage after civil power is changed steadily, and (final voltage is a float charge voltage under the floating charge pattern finally to arrive the final voltage of this pattern, charge mode is down even charging voltage, and the two is the storage battery parameter of dispatching from the factory).
The conversion of civil power realizes that by power rectifier module (calling rectifier in the following text) adjusting of output voltage then realizes by the duty ratio of control rectifier PWM (Pulse Width Modulation, pulse width modulation) signal.Calling " voltage after the conversion of battery civil power " in the following text is " rectifier output voltage ".
Existing relevant patent documentation comprises: application number is the Chinese patent " a kind of accumulator charging control method " of CN200610007986.In the accumulator charging method that in this patent documentation, proposes, gather the charging and discharging of accumulator electric current by software cycles, based on this, calculate corresponding battery electric quantity, and, set the charge mode (large current charge, low current charge and do not charge) of storage battery according to current electric quantity, the magnitude relationship of changeing rank thresholding electric weight and Full Charge Capacity.Technical scheme in this patent documentation has the following disadvantages: one, the electric weight of storage battery is a battery current and the integrated value of time, and in some stage of battery charging and discharging, this is worth not necessarily accurately; If lost too much electric weight in the discharge process before two storage batterys, voltage descends more, and still be the value that write in the charging process last time among the PWM, like this, in the city power recovery, therefore and the big electric current that produces will bring very big impact to battery battery transfers moment of charging to by discharge, and the pressure reduction of the output voltage of civil power and storage battery self voltage is excessive.
Summary of the invention
In order to solve above-mentioned technical problem, a kind of charging and discharging of accumulator method and system are provided, its purpose is, the method that a kind of safe, rational storage battery is provided and discharges and recharges.
The invention provides a kind of charging method of storage battery, comprising:
Step 1 is according to the cut-off current of this storage battery of calculation of parameter of storage battery;
Step 2, the charging current of circle collection storage battery, and according to the current PWM value of the adjustment of the relation between charging current and the described cut-off current, be used for adjusting charging current according to described cut-off current.
In the step 2,, otherwise increase current PWM value if the charging current of the storage battery of being gathered, then reduces current PWM value greater than described cut-off current.
In the step 1, also calculate the PWM value of final voltage correspondence under this pattern according to the charge mode of storage battery.
Also comprise: judge that current PWM value is whether greater than the PWM value of final voltage correspondence under this pattern, if then the PWM value of final voltage correspondence is replaced current PWM value under this pattern.
Also comprise and judge that current PWM value is whether in effective scope: if current PWM value is greater than the effectively upper limit of PWM value, the then current PWM value of the upper limit of effective PWM value replacement; If current PWM value is less than the lower limit of effective PWM value, then effectively the lower limit of PWM value is replaced current PWM value.
Battery parameter is battery capacity and battery charge ratio, cut-off current=battery capacity * battery charge ratio.
Preserve processed current PWM value, when next charge cycle arrived, current PWM value was this processed current PWM value in the step 2.
The invention provides a kind of charging method of storage battery, comprising:
Step 81 judges whether battery tension is lower than piezoelectric voltage down, if, then disconnect the connection of storage battery to load, otherwise execution in step 82;
Step 82 is determined charge mode according to storage voltage or electric weight.
Also comprise: the PWM value of getting it right and answering according to the current potentiometer of storage battery, and preserve this PWM value, being used for when storage battery charges with this PWM value is that benchmark is adjusted.
Also comprise and judge that described PWM value is whether in effective range: if this PWM value greater than the effective upper limit of PWM value, then the upper limit of effective PWM value is replaced this PWM value; If this PWM value is less than the lower limit of effective PWM value, then effectively the lower limit of PWM value is replaced this PWM value.
The invention provides a kind of charging and discharging of accumulator system, comprise charging module and discharge module;
Charging module is used for the cut-off current according to this storage battery of calculation of parameter of storage battery, the charging current of circle collection storage battery, and according to the adjustment of the relation between charging current and described cut-off current PWM value, to adjust charging current according to described cut-off current;
Discharge module judges whether battery tension is lower than piezoelectric voltage down, if then disconnect the connection of storage battery to load, otherwise determine charge mode according to storage voltage or electric weight.
Charging module also is used for calculating according to the charge mode of storage battery the PWM value of final voltage correspondence under this pattern.
Charging module also is used to comprise and judges that current PWM value is whether in effective scope: if current PWM value is greater than the effectively upper limit of PWM value, the then current PWM value of the upper limit of effective PWM value replacement; If current PWM value is less than the lower limit of effective PWM value, then effectively the lower limit of PWM value is replaced current PWM value.
Discharge module also is used for the PWM value of getting it right and answering according to the current potentiometer of storage battery.
Charging module and/or discharge module also are used to preserve the PWM value.
The present invention uses the foundation of the charging current value of storage battery as charging control instead; avoided entering incorrect charging control flow because of accumulator electric-quantity interim inaccurate in calculating; simultaneously; increased storage battery by the protection of discharge condition when charged state is switched; make storage battery at the beginning of charging; civil power is the voltage of battery self to its output voltage adjusted, increases progressively steadily on this basis, thereby has avoided excessive impact and the infringement that storage battery is caused of immediate current.In addition, the present invention also provides battery discharge protection control: in discharge process, the voltage of circle collection storage battery and discharging current (value for negative) according to magnitude of voltage and the accumulator electric-quantity value that calculated by current value, are determined the charge mode that storage battery is adopted behind the city power recovery; And when the battery tension value is reduced to down piezoelectric voltage, make storage battery stop to be electric, to reach protection storage battery self performance, prolong the purpose of the life of storage battery.
Description of drawings
Fig. 1 is a system configuration schematic diagram of the present invention;
Fig. 2 is a power subsystem connection diagram of the present invention;
Fig. 3 is a battery charge schematic flow sheet of the present invention;
Fig. 4 is a battery discharge schematic flow sheet of the present invention.
Embodiment
The present invention uses the foundation of charge in batteries electric current as charging process control.In addition; also increased management to the battery discharging process; determine the charge mode of storage battery behind the city power recovery by accumulator electric-quantity and two numerical value of voltage; and when magnitude of voltage reaches " following piezoelectric voltage " in the parameter of dispatching from the factory; the disconnection storage battery is connected with load; with protection battery over-discharge can, damage its performance and life-span.
The present invention mainly comprises the charging and two modules of discharging, refinement the flow process of charge in batteries and discharge.Two modules are periodic duty, and operation in per two seconds once.
Charging module comprises that calculating accumulator charging current limiter value calculates, and relatively calculates the value that need be written among the PWM by what itself and charge in batteries size of current concerned;
Discharge module, comprise that the current voltage of comparison storage battery and following piezoelectric voltage are (when storage battery self voltage is reduced to the minimum that producer provides, to the load outage), to determine whether needing to disconnect storage battery to the connection of load and the battery charging mode according to user behind definite city power recovery, comprise that in addition calculating needs according to the battery tension value that collects is written to value among the PWM, and write wherein in advance.
Charging module is carried out following steps:
Steps A. according to the charge mode of storage battery, calculate the PWM value of the final voltage correspondence under this pattern; Final voltage is one of accumulator parameter, and difference and pressure reduction by final voltage and reference voltage can calculate the corresponding PWM value of final voltage with the slope of PWM duty ratio;
Step B. calculates the cut-off current of the storage battery of this model according to the performance parameter of the storage battery of the current use of system;
Step C. circle collection charge in batteries electric current, and judge the magnitude relationship of itself and cut-off current: if charging current greater than cut-off current, reduces to be written to the value among the PWM; If charging current less than cut-off current, increases the value that is written among the PWM; The PWM value is a duty ratio between 0x00 and 0xff, when charge in batteries electric current and cut-off current difference are big, increases the amplitude of PWM value increase and decrease, and when charging current during near cut-off current, reduces the amplitude that the PWM value increases and decreases, and the step-length of PWM value adjustment is 1;
Step D. judges that this value is whether in effective PWM scope, if exceed, upper and lower bound value with effective PWM replaces respectively, the PWM value is 0x00 or greater than 0xfa, all can't be identified, that is, equal 0x00 or all can't reach voltage regulation result greater than the PWM value of 0xfa, so 0x00 and 0xfa are the upper and lower bound of effective PWM, otherwise execution in step E;
Step e. judge this value whether greater than the PWM value of final voltage correspondence under this charge mode, as greater than, make it equal the latter, otherwise execution in step F;
Step F. this value is written among the PWM, and is saved in the global variable, when next charge cycle arrives, will on the basis of this value, increase and decrease the value that is written to PWM.
Discharge module may further comprise the steps:
Step O. judges whether battery tension is lower than piezoelectric voltage down, if condition satisfies, disconnects the connection of storage battery to load, otherwise, continue execution in step P;
Step P. determines behind the city power recovery according to the degree that what and self voltage of accumulator electric-quantity loss descends, and needs storage battery is charged with in two kinds of charge modes which kind of; (please illustrate that the degree that descends according to electric quantity loss and voltage specifically how to judge which kind of mode of use charge)
Step Q. calculates its corresponding PWM value according to the current voltage of storage battery;
Step R. judges this value whether in the discernible effective range of PWM, if exceed, the upper lower limit value with the PWM recognizable set replaces respectively, and is written among the PWM, otherwise execution in step S;
Step S. preserves this and is worth in the global variable.
Fig. 1 the present invention includes single-chip microcomputer and power subsystem two parts among Fig. 1 for the schematic diagram that concerns of the present invention and base station equipment.Base station equipment is the load of power subsystem.Man-machine interface is the terminal of base station system and user interactions, the user can be according in the system but the actual model of the storage battery that uses, pass through man-machine interface, revise the parameter of dispatching from the factory of storage battery with " control command ", simultaneously, the state information of storage battery is also contained in " reporting information ", offers the user and checks.
Fig. 2 is the connection diagram of power subsystem: when civil power just often, two group storage batteries are the same with base station equipment to be articulated on it as its load, and when city's electrical anomaly, storage battery then replaces civil power as voltage, is electric.
The charging flow of storage battery shown in Figure 3.This flow process is a periodic duty, and operation in per two seconds once.Be described in detail as follows:
Step 301:, calculate the pairing PWM value of final voltage of filling this pattern according to storage battery present located charge mode.Final voltage is under this charge mode, the ceiling voltage of rectifier output;
Step 302: calculate cut-off current.This value draws according to battery capacity and the battery charge ratio that storage battery dispatches from the factory in the parameter, and computational methods are:
Cut-off current=battery capacity * battery charge ratio
Whether step 303 judges current electric current greater than cut-off current, if, execution in step 304, otherwise execution in step 307;
Step 304 reduces to desire to be written to the value among the PWM, and it is different because of battery current and cut-off current extent to reduce amplitude;
Whether step 305, the value of judging PWM less than the effective PWM of maximum, if, execution in step 310, otherwise execution in step 306;
Step 307 increases the value of desiring to be written among the PWM, to improve the output voltage of rectifier, the charging current of storage battery is maintained about the cut-off current; Increasing degree is different because of battery current and cut-off current extent;
Whether step 310, the value of judging PWM be greater than the PWM of final voltage correspondence, if execution in step 312, otherwise execution in step 311;
Step 311 is composed the PWM of final voltage correspondence and is the value of PWM correspondence, execution in step 312;
Step 312 writes the value of PWM to PWM.
As shown in Figure 4, discharge flow path comprises following steps:
Step 401 judges whether cell voltage is lower than piezoelectric voltage down, if, execution in step 402, otherwise execution in step 403;
Step 403 is according to the charge mode behind battery tension and the definite incoming call of electric weight; If being lower than, battery tension all fills threshold voltage, perhaps the ratio of current capacity of storage battery and rated capacity is less than all filling capacity threshold values (this value with all fill threshold voltage be the storage battery parameter of dispatching from the factory), show that storage battery has lost more electric weight, behind the city power recovery, need it is all filled;
Step 404:, calculate its corresponding PWM value according to the current voltage of storage battery.
Step 405: whether judge the PWM value less than the effective PWM of maximum, if not, execution in step 406, otherwise, execution in step 407;
Whether step 407 judges the PWM value greater than the effective PWM of minimum, if not, and execution in step 408, otherwise execution in step 409;
Step 409 writes PWM with the value of PWM.Work as the city power recovery, storage battery transfers when charging to by discharge, will be with the starting point of this value as the PWM pressure regulation, and this step can guarantee that the pressure reduction of the output voltage of PWM and battery tension can be not excessive, avoids producing bigger momentary charge electric current.Discharge flow path finishes.
Those skilled in the art can also carry out various modifications to above content under the condition that does not break away from the definite the spirit and scope of the present invention of claims.Therefore scope of the present invention is not limited in above explanation, but determine by the scope of claims.
Claims (15)
1. the charging method of a storage battery is characterized in that, comprising:
Step 1 is according to the cut-off current of this storage battery of calculation of parameter of storage battery;
Step 2, the charging current of circle collection storage battery, and according to the current PWM value of the adjustment of the relation between charging current and the described cut-off current, be used for adjusting charging current according to described cut-off current.
2. the charging method of storage battery as claimed in claim 1 is characterized in that, in the step 2, if the charging current of the storage battery of being gathered, then reduces current PWM value greater than described cut-off current, otherwise increases current PWM value.
3. the charging method of storage battery as claimed in claim 2 is characterized in that, in the step 1, also calculates the PWM value of final voltage correspondence under this pattern according to the charge mode of storage battery.
4. the charging method of storage battery as claimed in claim 3 is characterized in that, also comprises: judge that current PWM value is whether greater than the PWM value of final voltage correspondence under this pattern, if then the PWM value of final voltage correspondence is replaced current PWM value under this pattern.
5. the charging method of storage battery as claimed in claim 3 is characterized in that, also comprises judging that current PWM value is whether in effective scope: if current PWM value is greater than the effectively upper limit of PWM value, the then current PWM value of the upper limit of effective PWM value replacement; If current PWM value is less than the lower limit of effective PWM value, then effectively the lower limit of PWM value is replaced current PWM value.
6. the charging method of storage battery as claimed in claim 1 is characterized in that, battery parameter is battery capacity and battery charge ratio, cut-off current=battery capacity * battery charge ratio.
7. as the charging method of any described storage battery of claim 1 to 6, it is characterized in that, preserve processed current PWM value, when next charge cycle arrived, current PWM value was this processed current PWM value in the step 2.
8. the charging method of a storage battery is characterized in that, comprising:
Step 81 judges whether battery tension is lower than piezoelectric voltage down, if, then disconnect the connection of storage battery to load, otherwise execution in step 82;
Step 82 is determined charge mode according to storage voltage or electric weight.
9. charging method as claimed in claim 8 is characterized in that, also comprises: the PWM value of getting it right and answering according to the current potentiometer of storage battery, and preserve this PWM value, being used for when storage battery charges with this PWM value is that benchmark is adjusted.
10. charging method as claimed in claim 9 is characterized in that, also comprises judging that described PWM value is whether in effective range: if this PWM value greater than the effective upper limit of PWM value, then the upper limit of effective PWM value is replaced this PWM value; If this PWM value is less than the lower limit of effective PWM value, then effectively the lower limit of PWM value is replaced this PWM value.
11. a charging and discharging of accumulator system comprises charging module and discharge module, it is characterized in that,
Charging module is used for the cut-off current according to this storage battery of calculation of parameter of storage battery, the charging current of circle collection storage battery, and according to the adjustment of the relation between charging current and described cut-off current PWM value, to adjust charging current according to described cut-off current;
Discharge module judges whether battery tension is lower than piezoelectric voltage down, if then disconnect the connection of storage battery to load, otherwise determine charge mode according to storage voltage or electric weight.
12. charge-discharge system as claimed in claim 11 is characterized in that, charging module also is used for calculating according to the charge mode of storage battery the PWM value of final voltage correspondence under this pattern.
13. charge-discharge system as claimed in claim 11, it is characterized in that, charging module also is used to comprise and judges that current PWM value is whether in effective scope: if current PWM value is greater than the effectively upper limit of PWM value, the then current PWM value of the upper limit of effective PWM value replacement; If current PWM value is less than the lower limit of effective PWM value, then effectively the lower limit of PWM value is replaced current PWM value.
14. charge-discharge system as claimed in claim 11 is characterized in that, discharge module also is used for the PWM value of getting it right and answering according to the current potentiometer of storage battery.
15. charge-discharge system as claimed in claim 14 is characterized in that, charging module and/or discharge module also are used to preserve the PWM value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810057914 CN101515724A (en) | 2008-02-20 | 2008-02-20 | Charge/discharge method for storage battery and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810057914 CN101515724A (en) | 2008-02-20 | 2008-02-20 | Charge/discharge method for storage battery and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101515724A true CN101515724A (en) | 2009-08-26 |
Family
ID=41040060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810057914 Pending CN101515724A (en) | 2008-02-20 | 2008-02-20 | Charge/discharge method for storage battery and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101515724A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101860059A (en) * | 2010-05-28 | 2010-10-13 | 中兴通讯股份有限公司 | Method and device for managing battery |
| CN102214938A (en) * | 2010-04-02 | 2011-10-12 | 联想(北京)有限公司 | Charge control method of rechargeable battery and portable computer |
| CN103151816A (en) * | 2013-03-18 | 2013-06-12 | 国电南瑞科技股份有限公司 | Self-adaptation control method of pulse-modulated signal in electric vehicle charging |
| CN103199600A (en) * | 2013-04-03 | 2013-07-10 | 深圳市晶福源电子技术有限公司 | Charge control circuit and charge control method |
| CN104426195A (en) * | 2013-09-09 | 2015-03-18 | 惠州市吉瑞科技有限公司 | Charging control method of small battery capacity battery pole and charger |
| CN106655348A (en) * | 2016-11-21 | 2017-05-10 | 许继电源有限公司 | Cascading energy storage current converter-based battery pack charging control method and control apparatus |
| CN106712201A (en) * | 2017-01-20 | 2017-05-24 | 深圳市佰特瑞储能系统有限公司 | Method and system for charging storage battery |
| CN107768745A (en) * | 2016-08-19 | 2018-03-06 | 成都库仑科技有限公司 | A kind of battery module control method |
| CN107825979A (en) * | 2017-10-30 | 2018-03-23 | 智车优行科技（上海）有限公司 | Vehicular charging methods, devices and systems |
| CN112531649A (en) * | 2020-12-07 | 2021-03-19 | 厦门市爱维达电子有限公司 | Control method for storage battery sharing manager |
| CN113794217A (en) * | 2021-09-16 | 2021-12-14 | 远景能源有限公司 | Energy storage system and management method |
-
2008
- 2008-02-20 CN CN 200810057914 patent/CN101515724A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102214938B (en) * | 2010-04-02 | 2014-07-30 | 联想(北京)有限公司 | Charge control method of rechargeable battery and portable computer |
| CN102214938A (en) * | 2010-04-02 | 2011-10-12 | 联想(北京)有限公司 | Charge control method of rechargeable battery and portable computer |
| WO2011147169A1 (en) * | 2010-05-28 | 2011-12-01 | 中兴通讯股份有限公司 | Method and device for managing batteries |
| CN101860059A (en) * | 2010-05-28 | 2010-10-13 | 中兴通讯股份有限公司 | Method and device for managing battery |
| CN101860059B (en) * | 2010-05-28 | 2014-03-12 | 中兴通讯股份有限公司 | Method and device for managing battery |
| CN103151816A (en) * | 2013-03-18 | 2013-06-12 | 国电南瑞科技股份有限公司 | Self-adaptation control method of pulse-modulated signal in electric vehicle charging |
| CN103199600B (en) * | 2013-04-03 | 2015-04-08 | 深圳晶福源科技股份有限公司 | Charge control circuit and charge control method |
| CN103199600A (en) * | 2013-04-03 | 2013-07-10 | 深圳市晶福源电子技术有限公司 | Charge control circuit and charge control method |
| CN104426195A (en) * | 2013-09-09 | 2015-03-18 | 惠州市吉瑞科技有限公司 | Charging control method of small battery capacity battery pole and charger |
| CN104426195B (en) * | 2013-09-09 | 2018-06-15 | 惠州市吉瑞科技有限公司 | The charge control method and charger of baby battery capacity batteries bar |
| CN107768745A (en) * | 2016-08-19 | 2018-03-06 | 成都库仑科技有限公司 | A kind of battery module control method |
| CN107768745B (en) * | 2016-08-19 | 2020-02-11 | 深圳市佳斯特电子有限公司 | Battery module control method |
| CN106655348A (en) * | 2016-11-21 | 2017-05-10 | 许继电源有限公司 | Cascading energy storage current converter-based battery pack charging control method and control apparatus |
| CN106655348B (en) * | 2016-11-21 | 2019-06-14 | 许继电源有限公司 | Battery pack charge control method and control device based on cascade energy accumulation current converter |
| CN106712201A (en) * | 2017-01-20 | 2017-05-24 | 深圳市佰特瑞储能系统有限公司 | Method and system for charging storage battery |
| CN107825979A (en) * | 2017-10-30 | 2018-03-23 | 智车优行科技（上海）有限公司 | Vehicular charging methods, devices and systems |
| CN112531649A (en) * | 2020-12-07 | 2021-03-19 | 厦门市爱维达电子有限公司 | Control method for storage battery sharing manager |
| CN113794217A (en) * | 2021-09-16 | 2021-12-14 | 远景能源有限公司 | Energy storage system and management method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101515724A (en) | Charge/discharge method for storage battery and system | |
| CN101728849B (en) | Hybrid battery management system, battery management method and hybrid standby power supply system | |
| KR102234290B1 (en) | Energy storage system and controlling method the same | |
| US9912184B2 (en) | Delayed reactive electrical consumption mitigation | |
| CN101938154B (en) | Terminal charging method, device and system | |
| CN101867198B (en) | Realizing device and control method for standby battery of mobile phone | |
| CN103733465A (en) | Charging device | |
| CN102810901A (en) | Communication power supply system based on fuel cell | |
| CN101667739A (en) | Power supply device and discharging method thereof | |
| CN102280924A (en) | Uninterrupted power supply system for relay protection device | |
| CN203278327U (en) | Backup power supply charging and discharging control circuit | |
| CN102055203A (en) | Power supply device for intelligently adjusting power grid load peak and valley in communication base station | |
| CN103036307A (en) | Mains supply fault detection circuit and mains supply fault detection method and protective power supply emergency power supply system | |
| CN201359640Y (en) | Intelligent power supply surface observation and report machine | |
| CN112636418A (en) | Charging system, charging method, mobile terminal and charger | |
| CN203607916U (en) | Power supply device for wireless sensor network nodes based on solar energy | |
| CN101312296B (en) | Charging method of battery module | |
| CN102810698B (en) | Storage battery pack, and method and system for storage battery pack charge and discharge management | |
| CN202872443U (en) | Fuel-cell-based communication power supply | |
| CN103532212B (en) | A kind of charge management circuit and portable power source | |
| CN201499006U (en) | Power supply for on-line monitoring system of transmission line | |
| CN111030269B (en) | Energy storage type peak shifting power consumption base station power supply system | |
| CN110768359B (en) | Voltage control method and photovoltaic power supply device and system | |
| CN203982509U (en) | Intelligent sound acoustic-optic alarm | |
| CN204290392U (en) | Reset control circuit under a kind of battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20090826 |