CN103051028A - Dynamic equalizing charging method for electric automobile - Google Patents
Dynamic equalizing charging method for electric automobile Download PDFInfo
- Publication number
- CN103051028A CN103051028A CN2012105916759A CN201210591675A CN103051028A CN 103051028 A CN103051028 A CN 103051028A CN 2012105916759 A CN2012105916759 A CN 2012105916759A CN 201210591675 A CN201210591675 A CN 201210591675A CN 103051028 A CN103051028 A CN 103051028A
- Authority
- CN
- China
- Prior art keywords
- voltage
- battery
- charging
- battery pack
- constant current
- 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.)
- Granted
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a dynamic equalizing charging method for an electric vehicle, which solves the problem that the inconsistency of capacity, electric quantity and the like exists among batteries in a battery pack when the existing pure electric vehicle is charged. The invention balances the battery through three designed stages of 40A current constant current pre-charging, 100A current constant current charging and reduced current charging, thereby achieving the effects of eliminating the inconsistency of the battery pack, improving the actual available capacity of the battery pack and prolonging the cycle service life of the battery pack.
Description
Technical field
The invention belongs to a kind of method for charging batteries, particularly a kind of electric automobile dynamic equalization charging method.
Background technology
Lithium ion battery is widely used in electric automobile as electrokinetic cell, owing to produce, can there be the inconsistencies such as capacity, electric weight in service condition and environment for use inconsistent between the battery in the battery pack.
Because electric automobile power battery is in series by hundreds of joint cells, the inconsistency of battery can affect total available capacity and the service life cycle of battery pack.In charging process, arbitrary cell is full of just must stop charging; In discharge process, arbitrary cell drains just must stop discharge.Adopt in the market the equalization methods of energy consumption formula, in charging process, the cell the highest for voltage discharges, and so can allow battery pack be filled with more electric weight.Because energy consumption formula equalization methods is taked the mode of resistance consumption, and battery management system is less based on heat radiation consideration discharging current in airtight space, is not very remarkable for jumbo electrokinetic cell portfolio effect.In addition, energy consumption formula equalization methods can only can not charge to the cell discharge, can not really eliminate the inconsistency of battery pack, and for example application number 201210006406.1 discloses a kind of electric quantity of single batteries equalization methods and system, it has solved the inconsistent problem of performance between the interior cell of battery pack, provide the method for electric quantity of single batteries equilibrium, but do not provided concrete charging strategy.
Summary of the invention
The objective of the invention is in order to solve the problems of the technologies described above, provide a kind of easy and simple to handle, can effectively reach and eliminate the battery pack inconsistency, improve the electric automobile dynamic equalization charging method of the actual active volume of battery pack and prolongation battery pack service life cycle.
A kind of electric automobile dynamic equalization charging method, the battery of described electric automobile is ferric phosphate lithium cell, the capacity that comprises 176 joint series connection is the battery pack that the 320Ah battery cell forms, the rated voltage of every joint cell is 3.2V, cell normal working voltage scope is 2.0V-3.65V, when needing charging, adopt the electric quantity of single batteries equalization methods to charge, at first adopt the electric current of 100A that battery pack is carried out constant current charge, arbitrary battery cell voltage, adopts and finishes charging process with the drop-out voltage charging modes greater than 608V greater than 3.55V or global voltage in battery pack:
Greater than 608V, charging current is reduced to 50A to arbitrary battery cell voltage greater than 3.55V or global voltage in battery pack;
Greater than 610V, charging current is reduced to 30A to arbitrary battery cell voltage greater than 3.575V or global voltage in battery pack;
Greater than 612V, charging current is reduced to 20A to arbitrary battery cell voltage greater than 3.60V or global voltage in battery pack;
Greater than 614V, charging current is reduced to 10A to arbitrary battery cell voltage greater than 3.625V or global voltage in battery pack;
Arbitrary battery cell voltage greater than 616V, stops charging greater than 3.65V or global voltage in battery pack, finishes charging process.
When detecting all monomer voltages greater than 3V and being not more than 3.55V, and any one battery cell voltage is lower than the average voltage level of battery pack less than 10mv in the battery pack, when global voltage is not more than 608V, directly adopt 100A electric current constant current charge, arbitrary battery cell voltage, enters and falls voltage charging process to charging and finish greater than 608V greater than 3.55V or global voltage in battery pack.
When battery pack is charged, when satisfying simultaneously following two conditions, enter 40A electric current constant current pre-charge process, condition (1): interior all the battery cell voltages of battery pack all are not more than 3.55V and integral battery door voltage is not more than 608V; Condition (2): any one battery cell voltage is not more than 3V or the interior minimum battery cell voltage subaverage of battery pack is not less than 10mv;
If 40A electric current constant current pre-charge process was above 2 hours, when satisfying simultaneously following two conditions, finish 40A constant current pre-charge process, enter 100A electric current constant current charge process, condition (1): all monomer battery voltages still all are not more than 3.55V in the battery pack, and integral battery door voltage is when still being not more than 608V; Any one battery cell cell voltage of condition (2) is not more than 3V, and the interior largest battery monomer voltage of battery pack is higher than minimum battery cell voltage and is not less than 5mv;
When any one battery cell voltage during greater than 608V, finishes 100A electric current constant current charge process greater than 3.55V or integral battery door voltage, enter and fall the voltage charging process until charging finishes.
If 40A electric current constant current pre-charge process is not above two hours, when satisfying simultaneously following two conditions, finish the constant current pre-charge process, directly enter and fall the voltage charging process until charging finishes condition (1): any one battery cell voltage greater than 3.55V or integral battery door voltage greater than 608V; Condition (2): any one monomer battery voltage is not more than in 3V or the battery pack maximum monomer battery voltage and is higher than minimum monomer battery voltage and is not less than 5mV.
If 40A electric current constant current pre-charge process does not surpass two hours, when satisfying simultaneously following two conditions, finish the constant current pre-charge process, enter 100 constant current charge processes.Interior all monomer voltages of condition (1) battery pack are greater than 3V and be not more than 3.55V, and integral battery door voltage is not more than 608V; Maximum monomer battery voltage is higher than minimum monomer battery voltage less than 5mv in condition (2) battery pack;
When any one battery cell voltage during greater than 608V, finishes 100A electric current constant current charge process greater than 3.55V or integral battery door voltage, enter the described voltage charging process of falling, until charging finishes.
Three different phases of the present invention in charging process (40A electric current constant current precharge, 100A electric current constant current charge and fall the voltage charging) are carried out equilibrium for battery, this charging strategy can reach the inconsistency of eliminating between battery, the effect that improves the actual active volume of battery pack and prolong the battery pack service life cycle.In three different phases, all adopt 201210006406.1 disclosed electric quantity of single batteries equalization methods, can enter the corresponding charging stage according to the voltage of the battery cell of the actual battery pack that detects or the numerical value of average voltage or global voltage, whole charging process can be carried out automatically based on the battery management system of electric motor car.
Description of drawings
Fig. 1 is battery management system block diagram of the present invention.
Fig. 2 is flow chart of the present invention.
Embodiment
With reference to Fig. 1, the battery management system that the present invention uses comprises that battery pack reaches the main control module as batteries charging, main control module includes voltage detection module, for detection of the global voltage of battery pack and the monomer voltage of each cell, also is connected with the current sensor for detection of electric current.The capacity that contains 176 joint series connection in the battery pack is the 320Ah ferric phosphate lithium cell, the rated voltage of every joint cell is 3.2V, cell normal working voltage scope is 2.0V-3.65V, when described battery pack need to be charged, adopt the electric quantity of single batteries equalization methods to charge (based on application number 201210006406.1 disclosed electric quantity of single batteries equalization methods), at first adopt the electric current of 100A that battery is carried out constant current charge.
Embodiment 1:
When the battery of electric motor car was charged, arbitrary battery cell voltage greater than 608V, fell voltage charging process (phase III) greater than 3.55V or global voltage in battery pack, and charging current is reduced to 50A; Greater than 610V, charging current reduces greater than reaching 612V arbitrary battery cell voltage greater than 3.575V or global voltage in battery pack, and charging current is reduced to 20A; Greater than 614V, charging current is reduced to 10A to arbitrary battery cell voltage greater than 3.625V or global voltage in battery pack; Arbitrary battery cell voltage greater than 616V, stops the charging to battery pack greater than 3.65V or global voltage in battery pack.
Embodiment 2:
When the electricity group of electric motor car is charged, all battery cell voltages are all greater than 3V and be not more than 3.55V in detecting battery pack, and minimum battery cell voltage subaverage is less than 10mv, when integral battery door voltage is not more than 608V, directly carry out 100A electric current constant current charge process (second stage); When any one battery cell voltage during greater than 608V, finishes electric current constant current charge process greater than 3.55V or integral battery door voltage, enter the embodiment 1 described voltage charging process (phase III) of falling, until charging finishes.
Embodiment 3:
When the battery of electric motor car is charged, when satisfying simultaneously following two conditions, enter 40A electric current constant current pre-charge process (phase I), condition (1): all battery cell voltages all are not more than 3.55V and integral battery door voltage is not more than 608V in detecting battery pack; Condition (2): any one battery cell voltage is not more than 3V or the interior minimum battery cell voltage subaverage of battery pack is not less than 10mv.
If 40A electric current constant current pre-charge process was above 2 hours, when satisfying simultaneously following two conditions, finish 40A constant current pre-charge process, enter 100A electric current constant current charge process (second stage), condition (1): all monomer battery voltages still all are not more than 3.55V, and integral battery door voltage is when still being not more than 608V; Any one battery cell cell voltage of condition (2) is not more than 3V, and the interior largest battery monomer voltage of battery pack is higher than minimum battery cell voltage and is not less than 5mv.
When any one battery cell voltage during greater than 608V, finishes 100A electric current constant current charge process greater than 3.55V or integral battery door voltage.Enter the embodiment 1 described voltage charging process (phase III) of falling, until charging finishes.
Embodiment 4:
When the battery of electric motor car is charged, when satisfying simultaneously following two conditions, enter 40A constant current pre-charge process (phase I), condition (1): all battery cell voltages all are not more than 3.55V and integral battery door voltage is not more than 608V in detecting battery pack; Condition (2): any one battery cell voltage is not more than 3V or the interior minimum battery cell voltage subaverage of battery pack is not less than 10mv.
If 40A electric current constant current pre-charge process surpasses two hours, when satisfying simultaneously following two conditions, finish the constant current pre-charge process, enter directly that embodiment 1 is described to fall voltage charging process (phase III) until charging finishes.Condition (1): any one battery cell voltage greater than 3.55V or integral battery door voltage greater than 608V; Condition (2): any one monomer battery voltage is not more than in 3V or the battery pack maximum monomer battery voltage and is higher than minimum monomer battery voltage and is not less than 5mV.
Embodiment 5:
When the battery of electric motor car is charged, when satisfying simultaneously following two conditions, enter 40A constant current pre-charge process (phase I), condition (1): all battery cell voltages all are not more than 3.55V and integral battery door voltage is not more than 608V in detecting battery pack; Condition (2): any one battery cell voltage is not more than 3V or the interior minimum battery cell voltage subaverage of battery pack is not less than 10mv.
If 40A electric current constant current pre-charge process does not surpass two hours, when satisfying simultaneously following two conditions, finish the constant current pre-charge process, enter 100 constant current charge processes (second stage).Interior all monomer voltages of condition (1) battery pack are greater than 3V and be not more than 3.55V, and integral battery door voltage is not more than 608V; Maximum monomer battery voltage is higher than minimum monomer battery voltage less than 5mv in condition (2) battery pack.
When any one battery cell voltage during greater than 608V, finishes 100A electric current constant current charge process greater than 3.55V or integral battery door voltage, enter the embodiment 1 described voltage charging process (phase III) of falling, until charging finishes.
40A electric current constant current precharge, 100A electric current constant current charge and fall the voltage charge step and all adopted different battery balanced strategies.Utilize the equalization methods described in the application number 201210006406.1 disclosed " electric quantity of single batteries equalization methods and system ", 40A electric current constant current precharge, employing be the balance policy that 5A charges to minimum voltage monomer in the module.100A electric current constant current charge, employing be to charge with 5A or discharge for range averaging voltage cell farthest, when the same cell of double judgement occurring and carry out the charging and discharging operation, suspend the unbalanced balance policy of 5s.And voltage charging falls, employing be the balance policy that carries out the 5A discharge for the battery that monomer voltage is the highest in the module.By the equilibrium between the battery, can make the battery that can only be filled with less electric weight originally be filled with more electric weight, so battery can discharge more electric weight.
Claims (5)
1. electric automobile dynamic equalization charging method, the battery of described electric automobile is ferric phosphate lithium cell, the capacity that comprises 176 joint series connection is the battery pack that the 320Ah battery cell forms, the rated voltage of every joint cell is 3.2V, cell normal working voltage scope is 2.0V-3.65V, when needing charging, adopt the electric quantity of single batteries equalization methods to charge, at first adopt the electric current of 100A that battery pack is carried out constant current charge, it is characterized in that, arbitrary battery cell voltage, adopts and finishes charging process with the drop-out voltage charging modes greater than 608V greater than 3.55V or global voltage in battery pack:
Greater than 608V, charging current is reduced to 50A to arbitrary battery cell voltage greater than 3.55V or global voltage in battery pack;
Greater than 610V, charging current is reduced to 30A to arbitrary battery cell voltage greater than 3.575V or global voltage in battery pack;
Greater than 612V, charging current is reduced to 20A to arbitrary battery cell voltage greater than 3.60V or global voltage in battery pack;
Greater than 614V, charging current is reduced to 10A to arbitrary battery cell voltage greater than 3.625V or global voltage in battery pack;
Arbitrary battery cell voltage greater than 616V, stops charging greater than 3.65V or global voltage in battery pack, finishes charging process.
2. electric automobile dynamic equalization charging method as claimed in claim 1, it is characterized in that, when detecting all monomer voltages greater than 3V and being not more than 3.55V, and any one battery cell voltage is lower than the average voltage level of battery pack less than 10mv in the battery pack, when global voltage is not more than 608V, directly adopt 100A electric current constant current charge, arbitrary battery cell voltage, enters and falls voltage charging process to charging and finish greater than 608V greater than 3.55V or global voltage in battery pack.
3. electric automobile dynamic equalization charging method as claimed in claim 1, it is characterized in that, when battery pack is charged, when satisfying simultaneously following two conditions, enter 40A electric current constant current pre-charge process, condition (1): interior all the battery cell voltages of battery pack all are not more than 3.55V and integral battery door voltage is not more than 608V; Condition (2): any one battery cell voltage is not more than 3V or the interior minimum battery cell voltage subaverage of battery pack is not less than 10mv;
If 40A electric current constant current pre-charge process was above 2 hours, when satisfying simultaneously following two conditions, finish 40A constant current pre-charge process, enter 100A electric current constant current charge process, condition (1): all monomer battery voltages still all are not more than 3.55V in the battery pack, and integral battery door voltage is when still being not more than 608V; Any one battery cell cell voltage of condition (2) is not more than 3V, and the interior largest battery monomer voltage of battery pack is higher than minimum battery cell voltage and is not less than 5mv;
When any one battery cell voltage during greater than 608V, finishes 100A electric current constant current charge process greater than 3.55V or integral battery door voltage, enter and fall the voltage charging process until charging finishes.
4. electric automobile dynamic equalization charging method as claimed in claim 3, it is characterized in that, if 40A electric current constant current pre-charge process is not above two hours, when satisfying simultaneously following two conditions, finish the constant current pre-charge process, directly enter and fall the voltage charging process until charging finishes condition (1): any one battery cell voltage greater than 3.55V or integral battery door voltage greater than 608V; Condition (2): any one monomer battery voltage is not more than in 3V or the battery pack maximum monomer battery voltage and is higher than minimum monomer battery voltage and is not less than 5mV.
5. electric automobile dynamic equalization charging method as claimed in claim 3, it is characterized in that, if 40A electric current constant current pre-charge process is not above two hours, when satisfying simultaneously following two conditions, finish the constant current pre-charge process, enter 100 constant current charge processes, interior all monomer voltages of condition (1) battery pack are greater than 3V and be not more than 3.55V, and integral battery door voltage is not more than 608V; Maximum monomer battery voltage is higher than minimum monomer battery voltage less than 5mv in condition (2) battery pack;
When any one battery cell voltage during greater than 608V, finishes 100A electric current constant current charge process greater than 3.55V or integral battery door voltage, enter the described voltage charging process of falling, until charging finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210591675.9A CN103051028B (en) | 2012-12-31 | 2012-12-31 | Dynamic equalizing charging method for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210591675.9A CN103051028B (en) | 2012-12-31 | 2012-12-31 | Dynamic equalizing charging method for electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103051028A true CN103051028A (en) | 2013-04-17 |
| CN103051028B CN103051028B (en) | 2014-11-05 |
Family
ID=48063576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210591675.9A Expired - Fee Related CN103051028B (en) | 2012-12-31 | 2012-12-31 | Dynamic equalizing charging method for electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103051028B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103457328A (en) * | 2013-09-11 | 2013-12-18 | 北京时空科技有限公司 | Storage battery pack voltage balancing system and method |
| CN104215910A (en) * | 2014-08-13 | 2014-12-17 | 钱亚琴 | Detection and diagnosis method for lithium ion battery pack |
| CN104934648A (en) * | 2015-06-23 | 2015-09-23 | 深圳供电局有限公司 | Method and system for controlling battery charge equalization in power network direct current screen system |
| CN105098921A (en) * | 2015-08-26 | 2015-11-25 | 贵州航天电子科技有限公司 | 5V/45Ah zinc silver battery charging system and charging method thereof |
| CN105098922A (en) * | 2015-08-26 | 2015-11-25 | 贵州航天电子科技有限公司 | 28V/35Ah zinc-silver battery charging system and charging method thereof |
| CN106026310A (en) * | 2016-07-30 | 2016-10-12 | 杨超坤 | Electric car with good charging function |
| CN106655300A (en) * | 2015-10-28 | 2017-05-10 | 中国科学院沈阳自动化研究所 | Equalized charging control device and method based on large-capacity lithium battery |
| CN107369859A (en) * | 2016-05-12 | 2017-11-21 | 深圳市沃特玛电池有限公司 | A kind of electric vehicle battery system charging and discharging method |
| CN110015192A (en) * | 2017-09-11 | 2019-07-16 | 郑州宇通客车股份有限公司 | A kind of fuel cell hybrid system, power supply unit and charge control method |
| CN111193296A (en) * | 2018-11-15 | 2020-05-22 | 杭州海康机器人技术有限公司 | Pre-charging control device and method |
| CN112737032A (en) * | 2020-12-29 | 2021-04-30 | 科华恒盛股份有限公司 | Control method and control device for battery charging and terminal |
| CN113954692A (en) * | 2021-09-07 | 2022-01-21 | 东风汽车集团股份有限公司 | Battery charging control method, device and equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101026307A (en) * | 2006-12-25 | 2007-08-29 | 苏州市三环技贸有限公司 | Charging-discharging automatic balancing method for serial power lithium battery |
| CN101692506A (en) * | 2009-09-25 | 2010-04-07 | 北京北方专用车新技术发展有限公司 | Active equalization method for lithium ion battery pack in charging state |
| CN101944760A (en) * | 2010-09-30 | 2011-01-12 | 广东国光电子有限公司 | Constant power charging system and method of lithium battery pack |
| US20110006733A1 (en) * | 2008-03-25 | 2011-01-13 | Yoshinao Tatebayashi | Charging method for an assembled cell and an assembled cell system |
| CN101953015A (en) * | 2009-01-07 | 2011-01-19 | 松下电器产业株式会社 | Battery set charging method and battery charging system |
-
2012
- 2012-12-31 CN CN201210591675.9A patent/CN103051028B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101026307A (en) * | 2006-12-25 | 2007-08-29 | 苏州市三环技贸有限公司 | Charging-discharging automatic balancing method for serial power lithium battery |
| US20110006733A1 (en) * | 2008-03-25 | 2011-01-13 | Yoshinao Tatebayashi | Charging method for an assembled cell and an assembled cell system |
| CN101953015A (en) * | 2009-01-07 | 2011-01-19 | 松下电器产业株式会社 | Battery set charging method and battery charging system |
| CN101692506A (en) * | 2009-09-25 | 2010-04-07 | 北京北方专用车新技术发展有限公司 | Active equalization method for lithium ion battery pack in charging state |
| CN101944760A (en) * | 2010-09-30 | 2011-01-12 | 广东国光电子有限公司 | Constant power charging system and method of lithium battery pack |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103457328B (en) * | 2013-09-11 | 2016-01-27 | 北京时空科技有限公司 | Accumulator battery voltage equalizing system and method |
| CN103457328A (en) * | 2013-09-11 | 2013-12-18 | 北京时空科技有限公司 | Storage battery pack voltage balancing system and method |
| CN104215910A (en) * | 2014-08-13 | 2014-12-17 | 钱亚琴 | Detection and diagnosis method for lithium ion battery pack |
| CN104934648A (en) * | 2015-06-23 | 2015-09-23 | 深圳供电局有限公司 | Method and system for controlling battery charge equalization in power network direct current screen system |
| CN105098921A (en) * | 2015-08-26 | 2015-11-25 | 贵州航天电子科技有限公司 | 5V/45Ah zinc silver battery charging system and charging method thereof |
| CN105098922A (en) * | 2015-08-26 | 2015-11-25 | 贵州航天电子科技有限公司 | 28V/35Ah zinc-silver battery charging system and charging method thereof |
| CN106655300A (en) * | 2015-10-28 | 2017-05-10 | 中国科学院沈阳自动化研究所 | Equalized charging control device and method based on large-capacity lithium battery |
| CN107369859A (en) * | 2016-05-12 | 2017-11-21 | 深圳市沃特玛电池有限公司 | A kind of electric vehicle battery system charging and discharging method |
| CN106026310A (en) * | 2016-07-30 | 2016-10-12 | 杨超坤 | Electric car with good charging function |
| CN110015192A (en) * | 2017-09-11 | 2019-07-16 | 郑州宇通客车股份有限公司 | A kind of fuel cell hybrid system, power supply unit and charge control method |
| CN111193296A (en) * | 2018-11-15 | 2020-05-22 | 杭州海康机器人技术有限公司 | Pre-charging control device and method |
| CN112737032A (en) * | 2020-12-29 | 2021-04-30 | 科华恒盛股份有限公司 | Control method and control device for battery charging and terminal |
| CN112737032B (en) * | 2020-12-29 | 2023-09-29 | 科华恒盛股份有限公司 | Battery charging control method, control device and terminal |
| CN113954692A (en) * | 2021-09-07 | 2022-01-21 | 东风汽车集团股份有限公司 | Battery charging control method, device and equipment |
| CN113954692B (en) * | 2021-09-07 | 2023-08-22 | 东风汽车集团股份有限公司 | Battery charging control method, device and equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103051028B (en) | 2014-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103051028B (en) | Dynamic equalizing charging method for electric automobile | |
| CN103647332B (en) | For the conforming passive balance control system of battery maintenance group and control method | |
| CN104935045B (en) | Battery pack equalization method for energy storage system adopting nickel-series storage batteries | |
| CN101860056A (en) | Power lithium battery pack balancing and managing system based on Map model | |
| CN101882699A (en) | Charge and discharge balancing control method for power battery pack | |
| CN103501025A (en) | Active equalization system of battery pack | |
| CN102005794B (en) | Battery pack charging management system and method | |
| CN103715737A (en) | Lithium battery charging/ discharging management system | |
| CN102645638B (en) | SOC (Stress Optical Coefficient) estimating method of lithium battery pack | |
| CN101800344A (en) | Charge method of lithium ion power storage battery | |
| CN102437603A (en) | Lithium battery management system balance control method | |
| CN109586367A (en) | A kind of charging method for ferric phosphate lithium cell | |
| Lv et al. | Influence of equalization on LiFePO4 battery inconsistency | |
| CN203632319U (en) | Lithium battery charging/discharging management system | |
| CN201562729U (en) | A balancing control circuit for lithium battery | |
| CN203607881U (en) | A shunt equalizing charging device | |
| CN103606999A (en) | Novel cell equalization charging method | |
| CN103607001A (en) | Battery shunt equalization method | |
| CN101964431B (en) | Multi-stage constant-voltage charging method of lithium secondary battery | |
| CN103607002A (en) | Cell equalization charging method | |
| CN104734295B (en) | Control method for constant-current constant-voltage charging of lithium storage battery | |
| CN103138314A (en) | Battery power balance circuit and battery system | |
| CN103607000A (en) | Shunt equalization charging method | |
| CN201854071U (en) | Battery pack charging management system | |
| CN116118568A (en) | Balancing method based on lithium iron phosphate 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 | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGFENG XIANGYANG TOURING CAR CO., LTD. Free format text: FORMER OWNER: DONGFENG AUTOCARS CO., LTD. Effective date: 20150507 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430057 WUHAN, HUBEI PROVINCE TO: 441004 XIANGFAN, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150507 Address after: 1 No. 441004 Xiangyang city of Hubei Province City Automobile Industry Development Zone Avenue Patentee after: DONGFENG XIANGYANG TOURING CAR Co.,Ltd. Patentee after: XIANGYANG HYPERSTRONG NEW ENERGY TECHNOLOGY Co.,Ltd. Address before: 430057, 399 Zhushan Avenue, Zhuankou economic and Technological Development Zone, Hanyang, Hubei, Wuhan, Wuhan Patentee before: DONGFENG AUTOMOBILE Co.,Ltd. Patentee before: XIANGYANG HYPERSTRONG NEW ENERGY TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20191231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |