CN106786844A - A kind of power battery pack equalizing charge system and method - Google Patents
A kind of power battery pack equalizing charge system and method Download PDFInfo
- Publication number
- CN106786844A CN106786844A CN201611060792.7A CN201611060792A CN106786844A CN 106786844 A CN106786844 A CN 106786844A CN 201611060792 A CN201611060792 A CN 201611060792A CN 106786844 A CN106786844 A CN 106786844A
- Authority
- CN
- China
- Prior art keywords
- battery
- information
- voltage
- preset reference
- power supply
- 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
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
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0019—Circuits for equalisation of charge between batteries using switched or multiplexed charge circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The present invention discloses a kind of power battery pack equalizing charge system and method.Each electrokinetic cell of the system is connected in series；Each charger is connected in parallel with each electrokinetic cell respectively, and battery charge controller is connected with the input of each charger, and is connected with the output end of power supply, under the control of data processing equipment, the connection of each charger of break-make and power supply；Battery information harvester is connected with each electrokinetic cell, for when data processing equipment control battery charge controller disconnects the connection of all chargers and power supply, gathering the information of voltage of each electrokinetic cell, and information of voltage output is arrived into data processing equipment；Data processing equipment is contrasted the information of voltage of each electrokinetic cell with preset reference voltage respectively, when information of voltage is less than preset reference voltage, the connection of control battery charge controller conducting correspondence charger and power supply.System and method of the invention, improves charge efficiency, reduces the charging interval.
Description
Technical field
The present invention relates to new-energy automobile power accumulation power supply field, more particularly to a kind of power battery pack equalizaing charge
System and method.
Background technology
Battery is typically used in groups, and due to manufacture and service factor, each cell performance is present in batteries
Inconsistency, and existing battery operation and maintenance is carried out to whole group battery, due to the presence of inconsistency, causes electric power storage
In the group of pond there is the phenomenon of Individual cells undercharge in cell batteries in charging process, so as to influence the use of batteries
Life-span.
Power battery pack in new-energy automobile field, due to the distinctive electrochemical properties of power battery pack, even if dispatching from the factory
Preceding producer ensure that the uniformity in groups of battery by production technology, and being charged under traditional serial connection charge mode still can be general
Store-through is efficiency is low, short life phenomenon.Accordingly, it would be desirable to equalized maintenance is carried out to the power battery pack after charging, to electricity not
Foot battery boost charge, the voltage of each electrokinetic cell is reached same level, it is ensured that each cell performance it is consistent
Property.
Battery during quick charge more uses serial connection charge, but because serial connection charge is easily caused battery pack
Voltage is unbalanced, thus it is general no longer by the way of serial connection charge during equalized maintenance, but use charged in parallel.
But equalized maintenance is carried out, it is necessary to N number of electrokinetic cell is divided into odd number group and even number set by sequence number using means in parallel, use
When the method that odd number group and even number set charge respectively, i.e. odd number group charge, even number set stops charging, when opposite even number set charges,
Odd number group stops charging.But the equalizaing charge mode can only select to charge odd number group at some moment or antithesis array is filled
Electricity, charge efficiency is too low, and the charging interval is long.
The content of the invention
It is an object of the invention to provide a kind of power battery pack equalizing charge system and method, can be simultaneously to each battery
Charged, improve charge efficiency, reduced the charging interval.
To achieve the above object, the invention provides following scheme：
A kind of power battery pack equalizing charge system, including：Data processing equipment, battery information harvester, charger,
Battery charge controller；Each electrokinetic cell is connected in series；Each described charger respectively with electrokinetic cell each described
It is connected in parallel, the battery charge controller is connected with the input of charger each described, and connects with the output end of power supply
Connect, under the control of the data processing equipment, the connection of each described charger of break-make and the power supply；It is described
Battery information harvester is connected with each electrokinetic cell, for controlling the battery charge controller when the data processing equipment
When disconnecting the connection of all chargers and the power supply, the information of voltage of each electrokinetic cell is gathered, and will
The data processing equipment is arrived in the information of voltage output；The data processing equipment believes the voltage of each electrokinetic cell
Breath is contrasted with preset reference voltage respectively, when the information of voltage is less than the preset reference voltage, is filled described in control
Controller for electric consumption turns on the connection of correspondence charger and the power supply.
Optionally, the system also includes data storage device, and the data storage device is used to store the default base
Quasi- voltage.
Optionally, the system also includes optical isolation, the input of the optical isolation and the data
Processing unit is connected, and output end is connected with the battery charge controller, for being filled described in data processing equipment output
Control signal in controller for electric consumption carries out electrical isolation.
Optionally, the system also includes display device, and the display device uses touch-screen, for by the default base
In data storage device described in quasi- voltage typing；It is additionally operable to show the electrokinetic cell of the battery information harvester collection
Information of voltage.
The invention also discloses a kind of power battery pack balanced charging method, power battery pack equalizaing charge system is applied to
System；Methods described includes：
In charging process, the battery charge controller is periodically controlled to disconnect all described fill according to default time interval
Electrical equipment and the connection of the power supply, enter the system and stop the charging interval；
Within the stopping charging interval, the battery information harvester is controlled to gather the electricity of each electrokinetic cell
Pressure information；
Within the stopping charging interval, the information of voltage is contrasted with preset reference voltage, obtained contrast knot
Really；
When the comparing result represents the information of voltage less than the preset reference voltage, the charge control is controlled
Device turns on the connection of the corresponding charger and the power supply, continues to charge；When the comparing result represents described
When information of voltage is more than or equal to the preset reference voltage, the battery charge controller is controlled to be continuously turned off corresponding described fill
Electrical equipment and the connection of the power supply, stop charging.
Optionally, the stopping charging interval is 0.1 second.
Optionally, the battery charge controller is periodically controlled to disconnect all described fill according to default time interval described
Electrical equipment and the connection of the power supply, make the system enter before stopping the charging interval, also include：
Obtain the default time interval, the stopping charging interval and the preset reference voltage；
By the default time interval, the stopping charging interval and the preset reference voltage storage to the data
In storage device.
Optionally, described when the comparing result represents that the information of voltage is less than the preset reference voltage, control
The connection that the battery charge controller turns on the corresponding charger and the power supply is made, after continuing to charge, is also wrapped
Include：
When the comparing result represents the information of voltage more than or equal to the preset reference voltage, record corresponding
The numbering of electrokinetic cell, labeled as Full Charge Capacity battery；
When the system is again introduced into the stopping charging interval, stop the battery information harvester collection described
The information of voltage of Full Charge Capacity battery.
According to the specific embodiment that the present invention is provided, the invention discloses following technique effect：System disclosed by the invention
And method, while being charged to all batteries, the information of voltage of each electrokinetic cell is gathered in the moment for stopping charging, according to voltage
Information judges whether to need to be charged again, improves charge efficiency, while it is electricity full state to avoid to energy storage state
Battery last charge caused by cell damage.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing for needing to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the system construction drawing of power battery pack equalizing charge system embodiment of the present invention；
Fig. 2 is the method flow diagram of power battery pack balanced charging method embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It is an object of the invention to provide a kind of power battery pack equalizing charge system and method.
It is below in conjunction with the accompanying drawings and specific real to enable the above objects, features and advantages of the present invention more obvious understandable
The present invention is further detailed explanation to apply mode.
Fig. 1 is the system construction drawing of power battery pack equalizing charge system embodiment of the present invention.
Referring to Fig. 1, the power battery pack equalizing charge system, including：Data processing equipment 1, battery information harvester
2nd, charger 3, battery charge controller 4；Each electrokinetic cell 5 is connected in series；Each described charger 3 respectively with each
The electrokinetic cell 5 is connected in parallel, and the battery charge controller 4 is connected with the input of charger each described 3, and with power supply
The output end connection of power supply 6, under the control of the data processing equipment 1, each described charger 3 of break-make and the confession
The connection of power supply 6；The battery information harvester 2 is connected with each electrokinetic cell 5, for when the data processing equipment
When the 1 control battery charge controller 4 disconnects the connection of all chargers 3 and the power supply 6, gather described in each
The information of voltage of electrokinetic cell 5, and the data processing equipment 1 is arrived into information of voltage output；The data processing equipment 1
The information of voltage of each electrokinetic cell 5 is contrasted with preset reference voltage respectively, when the information of voltage is less than institute
When stating preset reference voltage, the connection of the conducting of the battery charge controller 4 correspondence charger 3 and the power supply 6 is controlled.
Optionally, the system also includes data storage device 7, and the data storage device 7 is used to store described default
Reference voltage.The upper voltage limit of the electrokinetic cell of each model is different, therefore, setting and the battery class of preset reference voltage
Type is directly related.For example, when the electrokinetic cell is lithium iron battery, preset reference voltage is between 3.40V and 3.65V；When
When the electrokinetic cell is lithium ion battery, preset reference voltage is set between 2.80V and 4.20V.
Optionally, the system also includes optical isolation 8, the input of the optical isolation 8 and the number
It is connected according to processing unit 1, output end is connected with the battery charge controller 4, for the output of the data processing equipment 1 to institute
The control signal stated in battery charge controller 4 carries out electrical isolation.
Optionally, the system also includes display device 9, and the display device 9 uses touch-screen, for that described will preset
In data storage device 7 described in reference voltage typing；It is additionally operable to show the power of the collection of battery information harvester 2
The information of voltage of battery 5.
Optionally, the charge cycle that the data processing equipment 1 is charged to power battery pack is 5~30 seconds.
The process that power battery pack equalizing charge system is charged to power battery pack is exemplified below：
In this process, power battery pack is made up of 24 electrokinetic cells connected, corresponding in parallel with 24 electrokinetic cells
It is connected with 24 chargers.The model of the electrokinetic cell is lithium ion battery, by the color touch of the display device 9
Preset reference voltage is set to 4.20V by screen, and is stored in the data processing equipment 7.Charge cycle is set to 10 seconds.
In charging process, data processing equipment 1 just controlled the system to enter the stopping charging interval every 10 seconds, that is, control
The connection that the battery charge controller 4 disconnects all chargers 3 and power supply 6 is made, all chargers 3 is in and is stopped charging
State.In this embodiment, the stopping charging interval duration is 0.1s.Within the stopping charging interval, when all
After charger enters stopping charged state, the battery information harvester 2 gathers the information of voltage of all electrokinetic cells, and will
The information of voltage of each electrokinetic cell is contrasted with the preset reference voltage (4.20V) respectively, recording voltage information be more than or
Equal to the battery sequence number of the preset reference voltage, labeled as Full Charge Capacity battery；Recording voltage information is less than the preset reference
The battery sequence number of voltage, labeled as thanks to Electronic power batteries；When it is described stopping the charging interval terminating after, data processing equipment 1 continue into
Enter the charging interval, that is, control the battery charge controller 4 to turn on the charger lost corresponding to Electronic power batteries and power supply 6
Connection, and in follow-up charging process, be no longer turned on charger and power supply 6 corresponding to the Full Charge Capacity battery
Connection.When next stopping charging interval being entered, also the information of voltage no longer to Full Charge Capacity battery is acquired.According to upper
Rule charging is stated, untill the electricity of all batteries is filled with, i.e., until all of battery is all marked as Full Charge Capacity battery
Afterwards, prompt message is sent, informs that related personnel's electricity has been filled with, and show the prompting that electricity is full of on the display apparatus.
Stopping charging interval of the invention and charge cycle can be carried out by the color touch screen of the display device 9
Set, and store in the data storage device 7.
Said apparatus of the invention, by the way of information of voltage collection is carried out respectively to each battery, and are stopping
The collection of information of voltage is completed under charged state so that the high precision of the battery voltage information of acquisition, the degree of accuracy is high, it is ensured that every
The uniformity and accuracy of the upper voltage limit after individual cell charging.The present invention realizes all batteries and charges simultaneously, battery
Using the connected mode of series connection, charge using connected mode in parallel, realize the charged in parallel under being connected in series, it is ensured that wherein
After the electricity of any one battery is full of, can stop charging without influenceing charging normal for other batteries, improve charging effect
Rate.Also, do not charged in the only of short duration stopping charging interval in each cycle of the invention, such as only 0.1s,
I.e. the charging interval is not only taken up within the 2% of total charging time, it is seen that technical scheme is only when extremely of short duration
It is interior not charged, substantially increase charge efficiency.The present invention enters the charging interval and enters the stopping charging interval
It is the Synchronization Control for using, improves system coordination and uniformity, further increases the operating efficiency of system.
Fig. 2 is the method flow diagram of power battery pack balanced charging method embodiment of the present invention.
Referring to Fig. 2, the power battery pack balanced charging method, methods described includes：
Step 101：Into the stopping charging interval：In charging process, according to default time interval, periodically control is described
Battery charge controller disconnects the connection of all chargers and the power supply, when the system is entered stopping charging
Between；
Step 102：Collection voltages information：Within the stopping charging interval, the battery information harvester is controlled to adopt
Collect the information of voltage of each electrokinetic cell；
Step 103：Contrasted with preset value：Within the stopping charging interval, by the information of voltage and preset reference electricity
Pressure is contrasted, and obtains comparing result；
Step 104：Control continues to charge or stop to charge：When the comparing result represents the information of voltage less than described
During preset reference voltage, the battery charge controller is controlled to turn on the connection of the corresponding charger and the power supply,
Continue to charge；When the comparing result represents the information of voltage more than or equal to the preset reference voltage, control is described
Battery charge controller is continuously turned off the connection of the corresponding charger and the power supply, stops charging.
Optionally, the stopping charging interval is 0.1 second.
Optionally, the battery charge controller is periodically controlled to disconnect all described fill according to default time interval described
Electrical equipment and the connection of the power supply, make the system enter before stopping the charging interval, also include：
Obtain the default time interval, the stopping charging interval and the preset reference voltage；
By the default time interval, the stopping charging interval and the preset reference voltage storage to the data
In storage device.
Optionally, described when the comparing result represents that the information of voltage is less than the preset reference voltage, control
The connection that the battery charge controller turns on the corresponding charger and the power supply is made, after continuing to charge, is also wrapped
Include：
When the comparing result represents the information of voltage more than or equal to the preset reference voltage, record corresponding
The numbering of electrokinetic cell, labeled as Full Charge Capacity battery；
When the system is again introduced into the stopping charging interval, stop the battery information harvester collection described
The information of voltage of Full Charge Capacity battery.
System and method disclosed by the invention, while being charged to all batteries, gathering each in the moment for stopping charging moves
The information of voltage of power battery, judges whether to need to be charged again according to information of voltage, charge efficiency is improve, while avoiding
Cell damage caused by being charged for the battery last of electricity full state to energy storage state.
Specific case used herein is set forth to principle of the invention and implementation method, and above example is said
It is bright to be only intended to help and understand the method for the present invention and its core concept；Simultaneously for those of ordinary skill in the art, foundation
Thought of the invention, will change in specific embodiments and applications.In sum, this specification content is not
It is interpreted as limitation of the present invention.
Claims (8)
1. a kind of power battery pack equalizing charge system, it is characterised in that including：Data processing equipment, battery information collection dress
Put, charger, battery charge controller；Each electrokinetic cell is connected in series；Each described charger respectively with each institute
State electrokinetic cell to be connected in parallel, the battery charge controller is connected with the input of charger each described, and and power supply
Output end connection, under the control of the data processing equipment, each described charger of break-make and the power supply
Connection；The battery information harvester is connected with each electrokinetic cell, for when described in data processing equipment control
When battery charge controller disconnects the connection of all chargers and the power supply, the electricity of each electrokinetic cell is gathered
Pressure information, and the data processing equipment is arrived into information of voltage output；The data processing equipment is by each power
The information of voltage of battery is contrasted with preset reference voltage respectively, when the information of voltage is less than the preset reference voltage
When, control the connection of the battery charge controller conducting correspondence charger and the power supply.
2. a kind of power battery pack equalizing charge system according to claim 1, it is characterised in that also filled including data storage
Put, the data storage device is used to store the preset reference voltage.
3. a kind of power battery pack equalizing charge system according to claim 1, it is characterised in that also filled including Phototube Coupling
Put, the input of the optical isolation is connected with the data processing equipment, output end and the battery charge controller phase
Even, for carrying out electrical isolation to the control signal in the battery charge controller to data processing equipment output.
4. a kind of power battery pack equalizing charge system according to claim 1, it is characterised in that also filled including display
Put, the display device uses touch-screen, for by data storage device described in the preset reference voltage typing；It is additionally operable to
Show the information of voltage of the electrokinetic cell of the battery information harvester collection.
5. a kind of power battery pack balanced charging method, it is characterised in that be applied to such as any one in Claims 1 to 4
Power battery pack equalizing charge system；Methods described includes：
In charging process, the battery charge controller is periodically controlled to disconnect all chargers according to default time interval
With the connection of the power supply, enter the system and stop the charging interval；
Within the stopping charging interval, the battery information harvester is controlled to gather the voltage letter of each electrokinetic cell
Breath；
Within the stopping charging interval, the information of voltage is contrasted with preset reference voltage, obtained comparing result；
When the comparing result represents the information of voltage less than the preset reference voltage, the battery charge controller is controlled
The connection of the corresponding charger and the power supply is turned on, continues to charge；When the comparing result represents the voltage
When information is more than or equal to the preset reference voltage, the battery charge controller is controlled to be continuously turned off the corresponding charger
With the connection of the power supply, stop charging.
6. a kind of power battery pack balanced charging method according to claim 5, it is characterised in that when the stopping is charged
Between be 0.1 second.
7. a kind of power battery pack balanced charging method according to claim 5, it is characterised in that described according to default
Time interval periodically control the battery charge controller to disconnect all chargers and the connection of the power supply, make institute
State system to enter before stopping the charging interval, also include：
Obtain the default time interval, the stopping charging interval and the preset reference voltage；
By the default time interval, the stopping charging interval and the preset reference voltage storage to the data storage
In device.
8. a kind of power battery pack balanced charging method according to claim 5, it is characterised in that described when described right
When representing that the information of voltage is less than the preset reference voltage than result, the battery charge controller is controlled to turn on corresponding institute
The connection of charger and the power supply is stated, after continuing to charge, is also included：
When the comparing result represents the information of voltage more than or equal to the preset reference voltage, corresponding power is recorded
The numbering of battery, labeled as Full Charge Capacity battery；
When the system is again introduced into the stopping charging interval, stop the battery information harvester collection full electricity
Measure the information of voltage of battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611060792.7A CN106786844A (en) | 2016-11-28 | 2016-11-28 | A kind of power battery pack equalizing charge system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611060792.7A CN106786844A (en) | 2016-11-28 | 2016-11-28 | A kind of power battery pack equalizing charge system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106786844A true CN106786844A (en) | 2017-05-31 |
Family
ID=58913330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611060792.7A Pending CN106786844A (en) | 2016-11-28 | 2016-11-28 | A kind of power battery pack equalizing charge system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106786844A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336774A (en) * | 2017-12-26 | 2018-07-27 | 江西优特汽车技术有限公司 | A kind of cell p ack charging equalization apparatus and method |
| CN109435774A (en) * | 2017-08-31 | 2019-03-08 | 比亚迪股份有限公司 | Battery equalization method, system, vehicle, storage medium and electronic equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1251953A (en) * | 1998-10-21 | 2000-05-03 | 钟阳 | Charging method for elongating service life of rechargeable battery |
| CN102005795A (en) * | 2010-11-29 | 2011-04-06 | 鸿富锦精密工业（深圳）有限公司 | Electric quantity detecting device for rechargeable battery |
| CN202474959U (en) * | 2012-03-14 | 2012-10-03 | 厦门大学 | Equalization charging device for lithium ion battery pack |
| CN103280854A (en) * | 2013-05-23 | 2013-09-04 | 浙江吉利汽车研究院有限公司杭州分公司 | Charging system and charging method for automobile power battery |
| CN103633698A (en) * | 2013-11-29 | 2014-03-12 | 哈尔滨智木科技有限公司 | Battery equalizing charging method and equalizing charger thereof |
| CN204190415U (en) * | 2014-09-12 | 2015-03-04 | 苏州克兰兹电子科技有限公司 | A kind of lithium battery charger |
-
2016
- 2016-11-28 CN CN201611060792.7A patent/CN106786844A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1251953A (en) * | 1998-10-21 | 2000-05-03 | 钟阳 | Charging method for elongating service life of rechargeable battery |
| CN102005795A (en) * | 2010-11-29 | 2011-04-06 | 鸿富锦精密工业（深圳）有限公司 | Electric quantity detecting device for rechargeable battery |
| CN202474959U (en) * | 2012-03-14 | 2012-10-03 | 厦门大学 | Equalization charging device for lithium ion battery pack |
| CN103280854A (en) * | 2013-05-23 | 2013-09-04 | 浙江吉利汽车研究院有限公司杭州分公司 | Charging system and charging method for automobile power battery |
| CN103633698A (en) * | 2013-11-29 | 2014-03-12 | 哈尔滨智木科技有限公司 | Battery equalizing charging method and equalizing charger thereof |
| CN204190415U (en) * | 2014-09-12 | 2015-03-04 | 苏州克兰兹电子科技有限公司 | A kind of lithium battery charger |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109435774A (en) * | 2017-08-31 | 2019-03-08 | 比亚迪股份有限公司 | Battery equalization method, system, vehicle, storage medium and electronic equipment |
| CN109435774B (en) * | 2017-08-31 | 2022-03-18 | 比亚迪股份有限公司 | Battery equalization method, system, vehicle, storage medium and electronic device |
| CN108336774A (en) * | 2017-12-26 | 2018-07-27 | 江西优特汽车技术有限公司 | A kind of cell p ack charging equalization apparatus and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101882699B (en) | Charge and discharge balancing control method for power battery pack | |
| CN107658511B (en) | Power lithium battery combination method and dynamic lithium battery method for group matching | |
| CN103985917B (en) | Low-temperature charging and discharging method for lithium battery | |
| CN106300545B (en) | A kind of active equalization control device and control method for liquid metal cell | |
| CN103066671B (en) | Lithium battery group all fills method and apparatus | |
| CN102255114B (en) | Method and device for uniform charge and discharge of batteries | |
| CN102662121B (en) | System and method for detecting failure of super capacitor module | |
| CN102136749B (en) | Method and device for controlling balance of current of rechargeable battery | |
| CN101872991A (en) | Balance control method of power battery pack | |
| CN106257734A (en) | A kind of lithium-ion-power cell method for group matching | |
| CN205051428U (en) | Ups | |
| CN103779878A (en) | Method and device for charging battery with unstable output source | |
| CN106786844A (en) | A kind of power battery pack equalizing charge system and method | |
| CN102055210A (en) | Equalizing charge method and device for series battery pack | |
| CN104393631A (en) | Electric quantity balancing system and balancing method | |
| CN104901409A (en) | Device for achieving battery pack low-voltage charging | |
| CN106374580A (en) | Online activation method and apparatus for ternary lithium batteries of direct-current power supply of substation | |
| CN110086232A (en) | A kind of system and method for realizing automatic charging management using RFID | |
| CN203434650U (en) | Battery management device | |
| CN103633698A (en) | Battery equalizing charging method and equalizing charger thereof | |
| CN105529782B (en) | Online storage battery pack lagging battery emergency auxiliary system and working method thereof | |
| CN204559135U (en) | The equalizing system of electricity | |
| CN103698711A (en) | Battery pack dual-section detecting system | |
| CN204928340U (en) | Realization device that group battery low pressure is charged | |
| CN202872424U (en) | Lithium ion battery equalization and protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |