CN109510265A - A kind of equal balance system of active-passive integrated formula of battery pack - Google Patents
A kind of equal balance system of active-passive integrated formula of battery pack Download PDFInfo
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- CN109510265A CN109510265A CN201811436559.3A CN201811436559A CN109510265A CN 109510265 A CN109510265 A CN 109510265A CN 201811436559 A CN201811436559 A CN 201811436559A CN 109510265 A CN109510265 A CN 109510265A
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- Prior art keywords
- control mechanism
- active
- battery pack
- equalization
- main control
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Classifications
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- 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
- H02J7/0016—Circuits for equalisation of charge between batteries using shunting, discharge or bypass circuits
Abstract
The present invention relates to a kind of equal balance systems of the active-passive integrated formula of battery pack, including multiple force equalization mechanisms, main control mechanism, master control mechanism and cloud platform, each force equalization mechanism is connected to the both ends of single battery in battery pack, multiple force equalization mechanisms connect a main control mechanism, multiple main control mechanisms connect a master control mechanism, master control mechanism connects cloud platform, and institute's main control mechanism includes: data receipt unit, the first computing unit and transmission unit；Master control mechanism includes: judgment module and execution module.Compared with prior art, the present invention works as cell degradation and maintenance personnel can be reminded in time to optimize and adjust equal balance system when equalization algorithm model error increases, provide optimal balance policy and operation according to present battery situation；Meanwhile maintenance personnel can realize long-range operation by cloud platform, save maintenance personnel and carry to maintain equipment to live bring after cost, so that the maintenance of lithium battery is more convenient, convenient, economy with higher.
Description
Technical field
The present invention relates to battery system equalization technique fields, equal more particularly, to a kind of active-passive integrated formula of battery pack
Balance system.
Background technique
Lithium battery system is widely used in the fields such as electric car and power energy storage, and by multiple electricity inside lithium battery system
Pond due to the production technology of lithium battery, application and storage environment etc., will cause battery by being composed in series and parallel
Inconsistency, and as time goes by, inconsistency will aggravate, and even result in the failure of whole group battery core.Therefore to lithium battery equilibrium
The research of technology can extend the service life of battery system, have great importance to enhancing product performance.
Traditional balanced way substantially includes active equalization and passively balanced two kinds, and active equalization is mainly removed by energy
It moves or balanced purpose is realized in energy supplement, passive equilibrium consumes energy by equalizing resistance to realize.But both of which weighing apparatus side
Formula has certain limitation, passive balanced low how high to one, and active equalization pays no attention to a high how low equilibrium model effect
Think.And all there is either large or small error in the algorithm of equalization methods, and over time, electric core aging, algorithm model
Error will cumulative rises, inconsistency further expansion reduces portfolio effect.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of battery pack master is passive
The equal balance system of integral type.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of equal balance system of active-passive integrated formula of battery pack, including multiple force equalization mechanisms, main control mechanism, master control mechanism and cloud
Platform, each force equalization mechanism are connected to the both ends of single battery in battery pack, and multiple force equalization mechanisms connect a main control mechanism, more
A main control mechanism connects a master control mechanism, and master control mechanism connects cloud platform, wherein
The main control mechanism includes: data receipt unit, for receiving the acquisition signal of battery pack；First calculates list
Member, for calculating current optimal equalization method according to acquisition signal；Transmission unit is used for transmission equalization command to equalizer set
Structure；
The master control mechanism includes: judgment module, needs to carry out manual maintenance for judging whether；Execution module, when
Judgment module judgement needs to carry out response when manual maintenance, for starting cloud platform, and according to input information the first meter of adjustment
Calculate the calculation of equalization methods in unit.
Further, in the judgment module, when the error for acquiring signal twice in succession is greater than preset threshold value
Afterwards, it is judged as and needs to carry out manual maintenance.
Further, the force equalization mechanism includes active equalization module, passive balance module and signal acquisition module, institute
The signal acquisition module connection main control mechanism stated, and connect with the battery core of single battery, it is described for acquiring cell information
Active equalization module connects both ends and the main control mechanism of single battery, the both ends of the passive balance module connection single battery
And main control mechanism.
Further, the passive balance module includes a plurality of balanced branch, and every balanced branch includes at least one
Equalizer switch and an equalizing resistance.
Further, the active equalization module includes at least one DC-DC unit, and each DC-DC unit is all connected with
External power supply and it is at least connected with an equalizer switch.
Further, the equalizer switch uses metal-oxide-semiconductor.
Further, the cloud platform includes notification unit, display unit, input unit and network transmitting unit, institute
Notification unit, display unit and the input unit stated connect master control mechanism by network transmitting unit.
Further, the cloud platform and master control mechanism pass through wireless network connection.
Compared with prior art, the invention has the following advantages that
1, the present invention works as cell degradation by cloud platform, main control mechanism and master control mechanism, and equalization algorithm model error increases
When, maintenance personnel can be reminded to optimize and adjust equal balance system in time, be provided according to present battery situation optimal
Balance policy is simultaneously run；Meanwhile maintenance personnel can realize long-range operation by cloud platform, save maintenance personnel and carry maintenance
Equipment is to live bring after cost, so that the maintenance of lithium battery is more convenient, convenient, economy with higher.
2, the present invention passes through active-passive integrated formula balanced mode, compatible main passive both of which weighing apparatus mode, by single equilibrium side
The advantage and disadvantage of formula carry out complementation, improve balanced efficiency.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the circuit diagram of active balance module；
Fig. 3 is the circuit diagram of passive balance module；
Appended drawing reference: 1, active equalization module, 2, battery pack, 3, passive balance module, 4, main control mechanism, 5, master control machine
Structure, 6, cloud platform, 101, DC-DC unit, 102, equalizer switch, 301, passive equalizing resistance.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to
Following embodiments.
As shown in FIG. 1 to 3, a kind of equal balance system of active-passive integrated formula of battery pack is present embodiments provided.Ordinary circumstance
The lower equal balance system includes multiple force equalization mechanisms (quantity of force equalization mechanism is determined by the quantity of battery pack 2), main control mechanism 4, always
Control mechanism 5 and cloud platform 6, each force equalization mechanism are connected to the both ends of single battery in balanced battery pack 2, multiple equalizer sets
Structure connects a main control mechanism 4, and multiple main control mechanisms 4 connect a master control mechanism 5, and connection type is all made of CAN communication line company
It connects.Battery pack 2 uses lithium battery group in the present embodiment, and the quantity of battery pack 2 is 4, therefore the quantity of force equalization mechanism is 4,
Every 2 force equalization mechanisms connect 4,2 main control mechanisms of a main control mechanism and connect a master control mechanism 5.Master control mechanism 5 passes through wireless
The modes such as network such as GPRS, WLAN connect cloud platform 6.
Force equalization mechanism includes active equalization module 1, passive balance module 3 and signal acquisition module (not shown).Letter
Number acquisition module connects main control mechanism 4, and connect with the battery core of single battery, for acquiring cell information.Active equalization mould
Block 1 connects both ends and the main control mechanism 4 of single battery.Passive the balance module 3 equally both ends of connection single battery and main controller
Structure 4.Active equalization module 1 generally comprises at least one DC-DC unit 101, the input terminal of each DC-DC unit 101 and outside
Power supply line be connected, and DC-DC unit 101 is at least connected with an equalizer switch 102, in the present embodiment, DC-DC unit 101
It is 2, each DC-DC unit 101 connects 2 equalizer switches 102, and is connected to single battery by equalizer switch 102
Both ends.Passive balance module 3 generally comprises a plurality of balanced branch, and each equilibrium branch includes at least 102 He of equalizer switch
One passive equalizing resistance 301, in the present embodiment, passive balance module 3 has 2 balanced branches, every balanced branch series connection
One equalizer switch 102 and a passive equalizing resistance 301.The equalizer switch of active equalization module 1 and passive balance module 3
102 use metal-oxide-semiconductor.
Main control mechanism 4 is equipped with cured active equalization, passive equilibrium treatment strategy, comprising: data receipt unit, for connecing
Receive the acquisition signal of battery pack 2；First computing unit, for calculating current optimal equalization method according to acquisition signal；It passes
Defeated unit is used for transmission equalization command to force equalization mechanism.
Master control mechanism 5 includes: judgment module, needs to carry out manual maintenance for judging whether, when acquisition is believed twice in succession
Number error be greater than preset threshold value after, be judged as and need to carry out manual maintenance；Execution module, when judgment module judges to need
Response when manual maintenance is carried out, adjusts equilibrium side in the first computing unit for starting cloud platform 6, and according to input information
The calculation of method.
In another embodiment, main control mechanism 4 and master control mechanism 5 are merged according to system size, are integrated into a machine
Structure.
Cloud platform 6 includes notification unit, display unit, input unit and network transmitting unit, and the notification unit is shown
Show that unit connects master control mechanism 5 by network transmitting unit with input unit.The display unit of the present embodiment is computer monitor,
Input unit is desktop computer, reminds maintenance personnel to safeguard by modes such as software pop-ups.In addition, cloud platform 6 is using friend
Good human-computer interaction interface, can obtain enough battery system data by information interface, meanwhile, by being equipped with configuration interface
The write-in that can carry out relevant parameter, control command, makes system according to current manual's mode operation.
The course of work of the present embodiment includes intelligent control equilibrium and two kinds of manual maintenance:
Intelligent control equilibrium (default mode): acquisition module acquires voltage, the temperature information of single battery battery core, and passes through
CAN communication line is uploaded to main control mechanism 4.Main control mechanism 4 combines such as total current information of acquisition, calculate it is current it is best
Weigh Fang Fangfa, and equalization command is assigned passive balance module 3 or active equalization module 1 by CAN bus.If current need to open
Open passive equilibrium, the equalizer switch 102 that the passive closure of balance module 3 (default conditions are to disconnect) needs balanced battery core, using passive
Equalizing resistance 301 consumes the energy of current battery core, to realize passive balanced.If currently needing to open active equalization, actively
The equalizer switch 102 of equilibrium battery core needed for weighing apparatus module 1 closure (default conditions are to disconnect), passes through DC-DC unit 101 and external electrical
Source is to needing balanced battery core to mend electricity, to realize active equalization.
Manual maintenance (manual configuration mode): when the judgement of master control mechanism 5 needs manual maintenance, system enters human configuration
Mode, cloud platform 6 prompt maintenance personnel, and maintenance personnel can remotely-or locally pass through human-computer interaction interface for system configuration
For artificial service mode, when being in the mode, intelligent equalization algorithm is automatically closed in system.Maintenance personnel passes through human-computer interaction circle
Face reads current battery core data, in conjunction with system operation time, then is calculated by the methods of battery core maintenance handbook current equal
Weighing apparatus scheme (or one algorithmic tool of production, relevant information is inputted, automatically derived equalization scheme, the program is more than intelligent algorithm
Complexity, embedded controller hardware resource are not suitable for implantation).Balanced scheme is arranged maintenance personnel by human-computer interaction interface
It completes, and transmitting order to lower levels, the order are issued to master control mechanism 5 by wireless communication, master control mechanism 5 is sent information to again
Main control mechanism 4 changes the calculation of equalization methods in the first computing unit.It is then log out manual maintenance, reenters default
Mode, main control mechanism 4 will continue to carry out battery pack 2 balanced and optimization according to balanced way adjusted.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (8)
1. a kind of equal balance system of active-passive integrated formula of battery pack, which is characterized in that including multiple force equalization mechanisms, main control mechanism, total
Mechanism and cloud platform are controlled, each force equalization mechanism is connected to the both ends of single battery in battery pack, and multiple force equalization mechanisms connect one
Main control mechanism, multiple main control mechanisms connect a master control mechanism, and master control mechanism connects cloud platform, wherein
The main control mechanism includes: data receipt unit, for receiving the acquisition signal of battery pack；First computing unit is used
According to acquisition signal calculate current optimal equalization method；Transmission unit is used for transmission equalization command to force equalization mechanism；
The master control mechanism includes: judgment module, needs to carry out manual maintenance for judging whether；Execution module works as judgement
Module judgement needs to carry out response when manual maintenance, calculates list for starting cloud platform, and according to input information adjustment first
The calculation of equalization methods in member.
2. the equal balance system of the active-passive integrated formula of battery pack according to claim 1, which is characterized in that the judgment module
In, after the error for acquiring signal twice in succession is greater than preset threshold value, it is judged as and needs to carry out manual maintenance.
3. the equal balance system of the active-passive integrated formula of battery pack according to claim 1, which is characterized in that the force equalization mechanism packet
Active equalization module, passive balance module and signal acquisition module are included, the signal acquisition module connects main control mechanism, and
Connect with the battery core of single battery, for acquiring cell information, the both ends of the active equalization module connection single battery and
Main control mechanism, the both ends of the passive balance module connection single battery and main control mechanism.
4. the equal balance system of the active-passive integrated formula of battery pack according to claim 3, which is characterized in that the passive equilibrium model
Block includes a plurality of balanced branch, and every balanced branch includes at least an equalizer switch and an equalizing resistance.
5. the equal balance system of the active-passive integrated formula of battery pack according to claim 3, which is characterized in that the active equalization mould
Block includes at least one DC-DC unit, and each DC-DC unit is all connected with external power supply and is at least connected with an equalizer switch.
6. the equal balance system of the active-passive integrated formula of battery pack according to claim 4 or 5, which is characterized in that the equilibrium is opened
Guan Jun uses metal-oxide-semiconductor.
7. the equal balance system of the active-passive integrated formula of battery pack according to claim 1, which is characterized in that the cloud platform includes
Notification unit, display unit, input unit and network transmitting unit, the notification unit, display unit and input unit are logical
Cross network transmitting unit connection master control mechanism.
8. the equal balance system of the active-passive integrated formula of battery pack according to claim 6, which is characterized in that the cloud platform and total
Control mechanism passes through wireless network connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811436559.3A CN109510265A (en) | 2018-11-28 | 2018-11-28 | A kind of equal balance system of active-passive integrated formula of battery pack |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201364934Y (en) * | 2009-02-27 | 2009-12-16 | 比亚迪股份有限公司 | Maintenance device for carrying out capacity grading matching on power battery pack |
| CN102862490A (en) * | 2012-09-19 | 2013-01-09 | 合肥工业大学 | Self-adaptive control method for battery management system for electric automobile |
| CN202840547U (en) * | 2012-05-15 | 2013-03-27 | 深圳市陆地方舟电动车有限公司 | Intelligent management system of lithium battery of electric automobile |
| CN202840594U (en) * | 2012-09-04 | 2013-03-27 | 嘉兴敏凯汽车零部件有限公司 | Electric vehicle power lithium battery energy balancing system |
| CN203086217U (en) * | 2013-03-05 | 2013-07-24 | 湖南开启时代电子信息技术有限公司 | Lithium battery management system used for electromobile |
| CN203481887U (en) * | 2013-09-29 | 2014-03-12 | 国网辽宁省电力有限公司沈阳供电公司 | Lithium battery set management system |
| US20140340023A1 (en) * | 2013-05-17 | 2014-11-20 | Ying-Haw Shu | Hybrid battery balancing system |
| CN105100266A (en) * | 2015-08-21 | 2015-11-25 | 苏州斯卡柏通讯技术有限公司 | Remote monitoring system for electric vehicle battery management system |
| CN206293920U (en) * | 2016-11-24 | 2017-06-30 | 重庆雅讯电源技术有限公司 | Cell managing device and system |
| CN206432740U (en) * | 2017-01-18 | 2017-08-22 | 苏州安普特汽车科技有限公司 | Integration Equilibrium power battery pack management system |
| CN107839500A (en) * | 2017-07-11 | 2018-03-27 | 苏州大学 | A kind of dynamic corrections SOC lithium battery group balance control method and system |
| CN107968452A (en) * | 2017-11-15 | 2018-04-27 | 上海理工大学 | A kind of passive mixed equilibrium system and method for the master of lithium-ion-power cell group |
| CN208127926U (en) * | 2018-03-30 | 2018-11-20 | 北京国能电池科技股份有限公司 | Cell managing device and system |
-
2018
- 2018-11-28 CN CN201811436559.3A patent/CN109510265A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201364934Y (en) * | 2009-02-27 | 2009-12-16 | 比亚迪股份有限公司 | Maintenance device for carrying out capacity grading matching on power battery pack |
| CN202840547U (en) * | 2012-05-15 | 2013-03-27 | 深圳市陆地方舟电动车有限公司 | Intelligent management system of lithium battery of electric automobile |
| CN202840594U (en) * | 2012-09-04 | 2013-03-27 | 嘉兴敏凯汽车零部件有限公司 | Electric vehicle power lithium battery energy balancing system |
| CN102862490A (en) * | 2012-09-19 | 2013-01-09 | 合肥工业大学 | Self-adaptive control method for battery management system for electric automobile |
| CN203086217U (en) * | 2013-03-05 | 2013-07-24 | 湖南开启时代电子信息技术有限公司 | Lithium battery management system used for electromobile |
| US20140340023A1 (en) * | 2013-05-17 | 2014-11-20 | Ying-Haw Shu | Hybrid battery balancing system |
| CN203481887U (en) * | 2013-09-29 | 2014-03-12 | 国网辽宁省电力有限公司沈阳供电公司 | Lithium battery set management system |
| CN105100266A (en) * | 2015-08-21 | 2015-11-25 | 苏州斯卡柏通讯技术有限公司 | Remote monitoring system for electric vehicle battery management system |
| CN206293920U (en) * | 2016-11-24 | 2017-06-30 | 重庆雅讯电源技术有限公司 | Cell managing device and system |
| CN206432740U (en) * | 2017-01-18 | 2017-08-22 | 苏州安普特汽车科技有限公司 | Integration Equilibrium power battery pack management system |
| CN107839500A (en) * | 2017-07-11 | 2018-03-27 | 苏州大学 | A kind of dynamic corrections SOC lithium battery group balance control method and system |
| CN107968452A (en) * | 2017-11-15 | 2018-04-27 | 上海理工大学 | A kind of passive mixed equilibrium system and method for the master of lithium-ion-power cell group |
| CN208127926U (en) * | 2018-03-30 | 2018-11-20 | 北京国能电池科技股份有限公司 | Cell managing device and system |
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Application publication date: 20190322 |