CN105871033B - A kind of power battery pack fast uniform control method and control device - Google Patents
A kind of power battery pack fast uniform control method and control device Download PDFInfo
- Publication number
- CN105871033B CN105871033B CN201610366973.6A CN201610366973A CN105871033B CN 105871033 B CN105871033 B CN 105871033B CN 201610366973 A CN201610366973 A CN 201610366973A CN 105871033 B CN105871033 B CN 105871033B
- Authority
- CN
- China
- Prior art keywords
- energy
- group
- battery pack
- cell
- transferred
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of power battery pack fast uniform control method, by the SoC for detecting cell and battery pack, each group of imbalance is judged according to the SoC of each battery pack, judge which battery pack needs energy to produce, need that how many energy produced, which battery pack needs energy to be transferred to, need that how many energy be transferred to, one battery pack for needing energy to produce is selected according to the SoC of each battery pack, therefrom select a cell for needing energy to produce, selection one needs the battery pack that energy is transferred to, therefrom select a cell for needing energy to be transferred to, carry out balancing energy；According to the imbalance of cell in the SoC judgement groups of cell in group, need to select a pair of cells according to balancing energy, selected except participating in Homogeneity between groups, carry out balancing energy.The invention also discloses the energy that a kind of power battery pack fast uniform control device is used for balanced cell.
Description
Technical field
The present invention relates to a kind of power battery pack fast uniform control method, and power battery pack fast uniform control dress
Put.
Background technology
New-energy automobile power battery group is composed in series by multiple cells, and the quality and life-span length of its state are direct
Influence vehicle performance.Battery is each in battery pack due to the influence for the factor such as production technology is unstable, use environment is inconsistent
A certain degree of inconsistency always be present in cell.The battery pack of balanced management is added, overall performance is incited somebody to action to a certain extent
Height, battery balanced control management is favorably improved the depth of discharge of battery pack whole volume and battery, and battery pack carries out equal
Management of weighing is very necessary.
Current battery Balance route mainly has resistance shunt method, DC/DC current transformers method, switching capacity method, flying capacitance method
Deng, these method energy losses are bigger, take it is long, find it is more reasonable, more efficient, more easily batteries of electric automobile is equal
The method of weighing apparatus control management, this is always one of content that the applicant endeavours research.
The content of the invention
The purpose of the present invention is in view of the deficienciess of the prior art, offer is a kind of to effectively improve power battery pack performance
Power battery pack fast uniform control method and the power battery pack fast uniform control device for being capable of fast uniform battery.
To achieve the above object, the technical scheme of power battery pack fast uniform control method use of the present invention is：
A kind of power battery pack fast uniform control method, the first power battery pack to being composed in series by multiple cells
It is grouped, is divided into several battery packs, cell, electricity is estimated according to conditions such as the voltages, electric current, temperature monitored respectively
The SoC of pond group and whole power battery pack, each group of imbalance is judged according to the SoC of each battery pack, which judges
Battery pack needs energy to produce, it is necessary to which how many energy produced, and which battery pack needs energy to be transferred to, it is necessary to which how many energy be transferred to,
One battery pack for needing energy to produce is selected according to the SoC of each battery pack, therefrom selecting one needs what energy produced
Cell, selecting one needs the battery pack that energy is transferred to, and therefrom selects a cell for needing energy to be transferred to, and carries out
Balancing energy；According to the imbalance of cell in the SoC judgement groups of cell in group, according to the needs of balancing energy
A pair of cells are selected, have been selected except participating in Homogeneity between groups, carry out balancing energy.
A kind of power battery pack fast uniform control device, including：For detecting each cell and battery pack SoC
Battery detecting module, Homogeneity between groups control module, energy transfer between equalization control module, group self-energy shift module and group in group
Module, group self-energy shift module are connected by bus in group with each cell, in group bus and each cell it
Between be provided with group and switch, equalization control module controls the disconnection of switch and closure in each group in group, energy transfer mould between group
Block is connected by bus between group with bus in the group of each battery pack, is provided with each group between bus and group between bus between group
Switch, Homogeneity between groups control module control the disconnection switched between each group and closure；
Homogeneity between groups control module, each group of imbalance is judged according to the SoC of each battery pack, which judges
Battery pack needs energy to produce, it is necessary to which how many energy produced, and which battery pack needs energy to be transferred to, it is necessary to which how many energy be transferred to；
Homogeneity between groups control module selects a battery pack for needing energy to produce according to the SoC of each battery pack, from the battery pack
In select a cell for needing energy to produce, selecting one needs the battery pack that energy is transferred to, and is selected from the battery pack
Go out a cell for needing energy to be transferred to, balancing energy is carried out between two cells；Close the monomer of energy output
Switched between the group of battery pack where the interior switch of the group of battery and the cell, energy transfer storage to energy transfer between group
Module, complete to disconnect in described group after energy transfer to switch between switch and described group, the cell that closure energy is transferred to
Group between switch in switch and group, switch and institute in described group will be disconnected after the completion of the energy transfer of energy transfer module between group
Switched between the group stated, balancing energy between completion group；
Equalization control module in group, according to the imbalance of cell in the SoC judgement groups of cell in group, sentence
Which battery needs energy to produce, it is necessary to produce how many energy in disconnected group, organizes which interior battery needs energy to be transferred to, it is necessary to be transferred to
How many energy；Equalization control module is according to the imbalance of cell in the SoC judgement groups of cell in group, root in group
According to the cell for needing to select an energy and producing of balancing energy, select except participating in Homogeneity between groups, and one
The cell that energy is transferred to, select except participating in Homogeneity between groups, carried out balancing energy；Close the monomer of energy output
Switched in the group of battery, energy transfer storage is arrived, organizes self-energy shift module, disconnected after completing energy transfer in described group
Switch, the group for the cell that closure energy is transferred to is interior to be switched, and will be disconnected after the completion of group energy transfer of self-energy shift module
Switched in described group, completion group self-energy is balanced.
Energy transfer module uses inductance between described group self-energy shift module and group.Energy transfer is used as by the use of inductance
Module, energy transfer not influence by voltage.
The present invention compared with prior art, has advantages below：
It is balanced in Homogeneity between groups and group to carry out simultaneously, it does not interfere with each other, cell and the outer cell of group can appoint in group
Meaning pairing is balanced, and balanced and Homogeneity between groups are all that time for balance is almost identical by cell balanced realization in group, are not required to
Want high performance components.Existing battery equalization method energy loss is bigger, and time-consuming long, the present invention is directed to prior art
Deficiency, disclose a kind of more efficient, more reasonably battery fast uniform method, the invention reside in do not dramatically increase hardware cost
Under conditions of human cost, battery balanced management, electricity are carried out using equalization control module in Homogeneity between groups control module and group
Pond time for balance greatly shortens, and battery balanced efficiency is greatly improved, and battery balanced quality is guaranteed, and stability is good.
Brief description of the drawings
Fig. 1 is the schematic diagram of power battery pack fast uniform control device.
Embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that these embodiments are only used for
Illustrate the present invention rather than limitation the scope of the present invention, after the present invention has been read, those skilled in the art are to the present invention
The modifications of the various equivalent form of values fall within the application appended claims limited range.
A kind of power battery pack fast uniform control method, the first power battery pack to being composed in series by multiple cells
It is grouped, is divided into several battery packs, cell, electricity is estimated according to conditions such as the voltages, electric current, temperature monitored respectively
(SOC, full name are State of Charge to the SoC of pond group and whole power battery pack, state-of-charge, also cry dump energy, generation
Table is that battery uses the residual capacity and the ratio of the capacity of its fully charged state after lying idle for a period of time or for a long time
Value), each group of imbalance is judged according to the SoC of each battery pack, judge which battery pack need energy to produce, it is necessary to
How many energy are produced, which battery pack needs energy to be transferred to, it is necessary to which how many energy be transferred to, and is selected according to the SoC of each battery pack
A battery pack for needing energy to produce is selected, therefrom selects a cell for needing energy to produce, selecting one needs energy
The battery pack being transferred to is measured, therefrom selects a cell for needing energy to be transferred to, carries out balancing energy；According to monomer electricity in group
The imbalance of cell in the SoC judgement groups in pond, needs to select a pair of cells according to balancing energy, has selected
Go out except participating in Homogeneity between groups, carry out balancing energy.
As shown in figure 1, a kind of power battery pack fast uniform control device, including：For detect each cell and
Battery pack SoC battery detecting module 1, Homogeneity between groups control module 2, equalization control module 3, group self-energy shift module in group
Energy transfer module 5 between 4 and group, group self-energy shift module 4 is connected by bus in group 6 with each cell 7, female in group
Switch 8 in group is provided between line 6 and each cell 7, equalization control module 3 controls the disconnected of switch 8 in each group in group
Open and close are closed, and energy transfer module 5 is connected 6 with bus in the group of each battery pack by bus between group 9 between group, mother in each group
Be provided between line 6 and group between bus between group and switch 10, Homogeneity between groups control module 2 control between each group the disconnection of switch 10 and
Closure；
Homogeneity between groups control module, each group of imbalance is judged according to the SoC of each battery pack, which judges
Battery pack needs energy to produce, it is necessary to which how many energy produced, and which battery pack needs energy to be transferred to, it is necessary to which how many energy be transferred to；
Homogeneity between groups control module selects a battery pack for needing energy to produce according to the SoC of each battery pack, from the battery pack
In select a cell for needing energy to produce, selecting one needs the battery pack that energy is transferred to, and is selected from the battery pack
Go out a cell for needing energy to be transferred to, balancing energy is carried out between two cells；Close the monomer of energy output
Switched between the group of battery pack where the interior switch of the group of battery and the cell, energy transfer storage to energy transfer between group
Module, complete to disconnect in described group after energy transfer to switch between switch and described group, the cell that closure energy is transferred to
Group between switch in switch and group, switch and institute in described group will be disconnected after the completion of the energy transfer of energy transfer module between group
Switched between the group stated, balancing energy between completion group；
Equalization control module in group, according to the imbalance of cell in the SoC judgement groups of cell in group, sentence
Which battery needs energy to produce, it is necessary to produce how many energy in disconnected group, organizes which interior battery needs energy to be transferred to, it is necessary to be transferred to
How many energy；Equalization control module is according to the imbalance of cell in the SoC judgement groups of cell in group, root in group
According to the cell for needing to select an energy and producing of balancing energy, select except participating in Homogeneity between groups, and one
The cell that energy is transferred to, select except participating in Homogeneity between groups, carried out balancing energy；Close the monomer of energy output
Switched in the group of battery, energy transfer storage is arrived, organizes self-energy shift module, disconnected after completing energy transfer in described group
Switch, the group for the cell that closure energy is transferred to is interior to be switched, and will be disconnected after the completion of group energy transfer of self-energy shift module
Switched in described group, completion group self-energy is balanced.
Energy transfer module uses inductance between described group self-energy shift module and group.Energy transfer is used as by the use of inductance
Module, energy transfer not influence by voltage.
The present invention in view of the shortcomings of the prior art, discloses a kind of more efficient, more reasonably fast uniform method, the present invention
The equalization methods of proposition are using two modules of equalization control module in Homogeneity between groups control module and group, Homogeneity between groups control module
Control energy shifts between each battery pack, and equalization control module control is the same as energy between each cell in group turn in group
Move.First the power battery pack being composed in series by multiple cells is grouped, every group of 10 cells series connection might as well be set,
Battery detecting module is estimated cell, battery group according to conditions such as the voltages, electric current, temperature monitored and entirely moved respectively
The SoC of power battery pack, Homogeneity between groups control module judge each group of imbalance according to the SoC of each battery pack, judge
Which battery pack needs energy to produce, it is necessary to which how many energy produced, and which battery pack needs energy to be transferred to, it is necessary to which how many energy be transferred to
Amount, Homogeneity between groups control module select a battery pack for needing energy to produce according to the SoC of each battery pack, therefrom selected
One needs the cell that energy produces, and selecting one needs the battery pack that energy is transferred to, and therefrom selecting one needs energy
The cell being transferred to, carry out balancing energy；Equalization control module is according to monomer in the SoC judgement groups of cell in group in group
The imbalance of battery, (select according to a pair of the cells that need to select of balancing energy and participated in removing for Homogeneity between groups
Balancing energy is carried out outside)；The switch of the cell connection bus of energy output is closed, energy transfer is arrived in energy transfer storage
Module, switch is disconnected after completing energy transfer, close the switch between the cell that energy transfer module is transferred to energy, it is complete
Switch is disconnected after into energy transfer, completes balancing energy.It is balanced in Homogeneity between groups and group to carry out simultaneously, it does not interfere with each other.It is single in group
Body battery and the outer cell of group can arbitrarily match equilibrium, and balanced and Homogeneity between groups are all balanced real by cell in group
Existing, time for balance is almost identical, it is not necessary to which high performance components, by the use of inductance as energy transfer module, energy transfer is not
Influence by voltage.
Existing battery equalization method energy loss is bigger, take it is long, the present invention in view of the shortcomings of the prior art,
Disclose a kind of more efficient, more reasonably battery fast uniform method.The invention reside in do not dramatically increase hardware cost and manpower
Under conditions of cost, battery balanced management is carried out using equalization control module in Homogeneity between groups control module and group, with a 120
The battery bag of cell series connection, is greatly shortened by the use of inductance as energy transfer module, battery balanced time.
As shown in Figure 1：
1st, Homogeneity between groups control module：Homogeneity between groups control module judges each group according to the SoC of each battery pack
Imbalance, judge which battery pack needs energy to produce, it is necessary to which how many energy produced, which battery pack needs energy to turn
Enter, it is necessary to which how many energy be transferred to；
2nd, equalization control module in group：Equalization control module is according to monomer in the SoC judgement groups of cell in group in group
The imbalance of battery, judge which battery needs energy to produce, it is necessary to produce how many energy in group, and which battery needs in group
Energy is wanted to be transferred to, it is necessary to which how many energy be transferred to；
3rd, Homogeneity between groups control：Homogeneity between groups control module selects one according to the SoC of each battery pack needs energy
The battery pack produced, a cell for needing energy to produce therefrom is selected, selecting one needs the battery pack that energy is transferred to,
A cell for needing energy to be transferred to therefrom is selected, balancing energy is carried out between two cells；
4th, Balance route in group：Equalization control module is according to cell in the SoC judgement groups of cell in group in group
Imbalance, (selected according to the cell that an energy produces of needing to select of balancing energy between participation group
Except weighing apparatus) and cell (selected participate in Homogeneity between groups except) the progress balancing energy that is transferred to of an energy；
5th, balancing energy：The switch of the cell connection bus rod of energy output is closed, energy transfer storage is arrived
Energy transfer module, complete to disconnect switch after energy transfer, between the cell that is transferred to energy of closure energy transfer module
Switch, complete energy transfer after disconnect switch, complete balancing energy；
6th, Balance route strategy：Battery status is detected first, the state of the data analysis battery pack of foundation collection,
Judge whether to need equilibrium, if meeting the condition of Homogeneity between groups, open Homogeneity between groups, if condition balanced in satisfaction group,
It is balanced in unlatching group, it is balanced in Homogeneity between groups and group to carry out simultaneously, it does not interfere with each other, balanced and Homogeneity between groups are all to pass through list in group
The battery balanced realization of body, time for balance is almost identical, it is not necessary to high performance components, energy transfer mould is used as by the use of inductance
Block, energy transfer not influence by voltage, enter next cycle after a balanced end cycle, so circulation.
Claims (3)
- A kind of 1. power battery pack fast uniform control method, it is characterised in that:First to being composed in series by multiple cells Power battery pack is grouped, and is divided into several battery packs, distinguishes pro form bill according to the voltage, electric current, temperature conditionss monitored The SoC of body battery, battery pack and whole power battery pack, each group of imbalance is judged according to the SoC of each battery pack, Judge which battery pack needs energy to produce, it is necessary to which how many energy produced, which battery pack needs energy to be transferred to, it is necessary to be transferred to more Few energy, a battery pack for needing energy to produce is selected according to the SoC of each battery pack, therefrom selecting one needs energy The cell produced, selecting one needs the battery pack that energy is transferred to, and therefrom selects the monomer for needing energy a to be transferred to electricity Pond, carry out balancing energy；It is equal according to energy according to the imbalance of cell in the SoC judgement groups of cell in group Weighing apparatus need select a pair of cells, selected participate in Homogeneity between groups except, carry out balancing energy.
- A kind of 2. power battery pack fast uniform control device, it is characterised in that including：For detecting each cell and electricity Pond group SoC battery detecting module, Homogeneity between groups control module, equalization control module, group self-energy shift module and group in group Between energy transfer module, group self-energy shift module be connected by bus in group with each cell, in group bus with it is each It is provided with group and switchs between cell, equalization control module controls the disconnection of switch and closure in each group in group, between group Energy transfer module is connected by bus between group with bus in the group of each battery pack, in each group between bus and group between bus It is provided between group and switchs, Homogeneity between groups control module controls the disconnection switched between each group and closure；Homogeneity between groups control module, each group of imbalance is judged according to the SoC of each battery pack, which battery judged Group needs energy to produce, it is necessary to which how many energy produced, and which battery pack needs energy to be transferred to, it is necessary to which how many energy be transferred to；Between group Equalization control module selects a battery pack for needing energy to produce according to the SoC of each battery pack, is selected from the battery pack Go out a cell for needing energy to produce, selecting one needs the battery pack that energy is transferred to, and one is selected from the battery pack It is individual to need the cell that energy is transferred to, carry out balancing energy between two cells；Close the cell of energy output Group in switch between the group of switch and the battery pack where the cell, energy transfer storage to energy transfer mould between group Block, complete to disconnect in described group after energy transfer to switch between switch and described group, the cell that closure energy is transferred to Switch between group and switched in organizing, switch and described will be disconnected in described group after the completion of the energy transfer of energy transfer module between group Group between switch, balancing energy between completion group；Equalization control module in group, according to the imbalance of cell in the SoC judgement groups of cell in group, judge group Which interior battery needs energy to produce, it is necessary to produce how many energy, organizes which interior battery needs energy to be transferred to, it is necessary to be transferred to how many Energy；Equalization control module is according to the imbalance of cell in the SoC judgement groups of cell in group in group, according to energy Amount it is balanced need select the cell that an energy produces, selected except participating in Homogeneity between groups, and an energy The cell being transferred to, select except participating in Homogeneity between groups, carried out balancing energy；Close the cell of energy output Group in switch, energy transfer storage to a group self-energy shift module, complete to disconnect in described group after energy transfer to switch, Switch, will be disconnected after the completion of group energy transfer of self-energy shift module described in the group of cell that closure energy is transferred to Switched in group, completion group self-energy is balanced.
- 3. power battery pack fast uniform control device according to claim 2, it is characterised in that：Described group self-energy Energy transfer module uses inductance between shift module and group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610366973.6A CN105871033B (en) | 2016-05-30 | 2016-05-30 | A kind of power battery pack fast uniform control method and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610366973.6A CN105871033B (en) | 2016-05-30 | 2016-05-30 | A kind of power battery pack fast uniform control method and control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105871033A CN105871033A (en) | 2016-08-17 |
| CN105871033B true CN105871033B (en) | 2018-04-06 |
Family
ID=56642376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610366973.6A Active CN105871033B (en) | 2016-05-30 | 2016-05-30 | A kind of power battery pack fast uniform control method and control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105871033B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356927B (en) * | 2016-09-19 | 2018-11-30 | 华中科技大学 | A kind of lithium battery group SOC balance system and method |
| CN108306066A (en) * | 2018-02-07 | 2018-07-20 | 成都信息工程大学 | Active equalization control method between battery pack Nei Bao and packet |
| CN110365066B (en) * | 2018-03-26 | 2020-12-08 | 中国移动通信集团甘肃有限公司 | Lithium ion power battery pack balance control method, device, medium and equipment |
| CN108482157A (en) * | 2018-04-09 | 2018-09-04 | 江西优特汽车技术有限公司 | A kind of power battery equalization circuit and equalization methods |
| CN108539813A (en) * | 2018-04-17 | 2018-09-14 | 上海理工大学 | A kind of lithium-ion-power cell active equalization method |
| CN110474386B (en) * | 2019-07-25 | 2020-12-08 | 国网江苏省电力有限公司经济技术研究院 | Multi-level active equalization circuit of energy storage battery system and control method |
| CN117134008A (en) * | 2023-10-26 | 2023-11-28 | 广州疆海科技有限公司 | Battery pack capacity balancing method, device and system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100804697B1 (en) * | 2006-08-11 | 2008-02-18 | 삼성에스디아이 주식회사 | Battery management system and driving method thereof |
| CN203553992U (en) * | 2013-10-16 | 2014-04-16 | 云南电力试验研究院（集团）有限公司电力研究院 | An energy storage battery pack monitoring and dynamic equalization apparatus |
| CN204131181U (en) * | 2014-10-20 | 2015-01-28 | 广州市香港科大霍英东研究院 | A kind of based on the modular battery management system of local with the two-layer management system of the overall situation |
| CN104901380A (en) * | 2015-06-16 | 2015-09-09 | 北京亿利智慧能源科技有限公司 | Battery pack equalizing control method of multistage equalizing unit |
| CN205791640U (en) * | 2016-05-30 | 2016-12-07 | 江苏罗思韦尔电气有限公司 | A kind of power battery pack fast uniform controls device |
-
2016
- 2016-05-30 CN CN201610366973.6A patent/CN105871033B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105871033A (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105871033B (en) | A kind of power battery pack fast uniform control method and control device | |
| CN103326439B (en) | The equalizing circuit of set of cells and method | |
| CN104617621B (en) | Improved battery pack maintaining method | |
| CN106712182B (en) | Power battery pack active equalization control strategy based on Depth Priority Algorithm | |
| CN201985554U (en) | Active self-management charging device for lithium ion power battery | |
| CN106300545A (en) | A kind of active equalization for liquid metal cell controls device and control method | |
| CN107422265A (en) | A kind of detection method of cell uniformity | |
| CN107834626A (en) | The equalization methods and equalizing system of a kind of power battery pack | |
| CN104377778B (en) | Adjacent-Cell-to-Cell equalizing circuit based on LCL resonant transformation and implementation method | |
| CN103413981B (en) | method and apparatus for battery pack capacity | |
| CN207852851U (en) | Battery management system with sync equalizing function | |
| CN209313474U (en) | Inverse-excitation type multichannel equalizing circuit based on Buck_Boost unit | |
| CN104113110A (en) | Battery equalization circuit | |
| CN109672246A (en) | Inverse-excitation type multichannel equalizing circuit and its control method based on Buck_Boost unit | |
| CN205509600U (en) | Novel double -deck balanced control of lithium cell group device | |
| CN107134599A (en) | The voltage balance circuit and its method of work of a kind of series battery | |
| CN106786909A (en) | The equalising control device in groups and control method of a kind of energy storage liquid metal cell | |
| CN106329640A (en) | Battery charging equalization device and battery charging equalization method | |
| CN107623343A (en) | The active equalization method and device of a kind of lithium ion battery | |
| Zhang et al. | An improved buck-boost circuit equalization method for series connected battery packs | |
| CN205544494U (en) | Battery equalizing charge device | |
| CN205791640U (en) | A kind of power battery pack fast uniform controls device | |
| CN209356645U (en) | A kind of charge/discharge detection instrument of storage battery | |
| CN111354989A (en) | Reconfigurable battery pack control method and system and storage medium | |
| CN105728351B (en) | Battery cell method for separating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Rapid balance control method and device for power battery pack Effective date of registration: 20190520 Granted publication date: 20180406 Pledgee: Yangzhou Branch of Societe Generale Bank Co., Ltd. Pledgor: Jiangsu Rothwell Electric Co., Ltd. Registration number: 2019320000240 |