CN202712883U - Battery management system suitable for plurality of lithium battery packs connected in parallel - Google Patents
Battery management system suitable for plurality of lithium battery packs connected in parallel Download PDFInfo
- Publication number
- CN202712883U CN202712883U CN 201220136040 CN201220136040U CN202712883U CN 202712883 U CN202712883 U CN 202712883U CN 201220136040 CN201220136040 CN 201220136040 CN 201220136040 U CN201220136040 U CN 201220136040U CN 202712883 U CN202712883 U CN 202712883U
- Authority
- CN
- China
- Prior art keywords
- battery
- module
- battery pack
- battery management
- parallel
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a battery management system suitable for a plurality of lithium battery packs connected in parallel, comprising a plurality of energy storage nodes, a power control module and a monitoring dispatching system, wherein each energy storage node comprises a battery pack, a management subsystem, a power supply conversion module and a high voltage protection module, the high voltage protection module is connected with the battery pack, the power supply conversion module is connected with the high voltage protection module, the power management subsystem is connected with the battery pack, the power supply conversion module and the high voltage protection module respectively, the battery management subsystems in all the energy storage nodes are respectively connected with the monitoring dispatching system and the power control module, and the power supply conversion modules in all the energy storage modules are respectively connected with the power control module. The battery management system manages and controls the large-scale battery pack formed by a plurality of lithium battery packs connected in parallel, can continuously provide electric power for electric apparatuses, and can smooth the fluctuation of the power generated by the battery packs, thereby increasing battery pack controllability and power supply reliability.
Description
Technical field
The utility model relates to a kind of battery management system, specifically refers to a kind of battery management system that is applicable to the many bunches of lithium battery groups extensive lithium battery group of using in parallel.
Background technology
At present, along with the sustainable growth of world's electricity needs and the development of New Energy Industry, match with it in the urgent need to large capacity energy-storage system, level and smooth electric load improves equipment operating efficiency and economy, solves the bottleneck problem of Renewable Energy Development.Large capacity energy-storage system generally all refers to MW class, and at present, most of energy-storage systems adopt the direct mode in parallel of a plurality of lithium batteries in groups, to reach the purpose that improves power system capacity; Although the capacity of the raising battery pack that many cell parallels can be unlimited, circulation easily appears in groups system complex between the battery by this way, damages battery life, and the system maintenance difficulty.
In summary, existing extensive energy-storage system has following deficiency and shortcoming:
1) complicated in groups, generally adopt battery in parallel first after series connection, perhaps burst mode in parallel after the first series connection, the centre does not increase isolation module, easily produces circulation between the module, damages battery;
2) difficult in maintenance, a plurality of monomer parallel connections, are unfavorable for fail battery is positioned and in time battery safeguarded, changed when battery breaks down as a monomer module of system.
3) the expansion difficulty is large, when needs improve the capacity of system, because every sub-systems is not independent running, system halt need to be operated, and redesign; When some subsystem access energy-storage systems, owing to may have total voltage difference between the battery pack, access moment, the contactor of being responsible for access subsystem might produce " sparking " phenomenon, thereby damages high tension apparatus.
4) communication interface disunity, the energy storage management system adopts the communication interfaces such as CAN, RS485 mostly, is unfavorable for and the docking of other system; Simultaneously, because the energy-storage system data volume is huge, data are easily lost, and can not guarantee the real-time Transmission of data.
5) battery charging and discharging is unbalanced, because every bunch of battery is not done any quarantine measures by high voltage connector energy-storage system in parallel, battery pack is difficult to guarantee equilibrium in charge and discharge process, is unfavorable for realizing independent control.
Above deficiency causes the application of present energy-storage system not reach intelligent, and this all brings extremely inconvenient at aspects such as engineering design, production test, operation maintenance, and efficient is lower, hinders energy-storage system to apply on a large scale.
Summary of the invention
For the problems referred to above, the utility model provides a kind of many bunches of lithium battery groups battery management system that uses in parallel that is applicable to.
The technical scheme that the utility model is taked is: a kind of many bunches of lithium battery groups battery management system that uses in parallel that is applicable to, comprise that a plurality of energy storage nodes, power control module reach and the monitoring and dispatching system of power control module communication, and it is characterized in that:
Each energy storage node comprises: battery pack, to battery management subsystem, power transfer module and high voltage protective module that should battery pack; Described high voltage protective module is connected with battery pack, and power transfer module one end is connected with the high voltage protective module, and the other end is connected with dc bus; The battery management subsystem all is connected with battery pack, power transfer module and high voltage protective module, realizes the collection of battery pack status data, high voltage protective module controls and power transfer module control; Battery management subsystem in described each energy storage node all is connected with monitoring and dispatching system and power control module; Power transfer module in each energy storage node all is connected with power control module.
Preferably, described battery management subsystem and power transfer module realize the independent operating of node by redundant dry contact.
Preferably, described battery management subsystem is connected by Ethernet with monitoring and dispatching system.
Preferably, described power transfer module is connected by the CAN bus with power control module.
Preferably, battery adopts single also many string modes in groups in the described battery pack, namely adopts parallel way to connect at a battery pack internal cell monomer, adopts series system to connect between each battery pack.
Battery management system described in the utility model adopts the distributed energy storage topological structure, each distributed energy storage Nodes battery pack adopts single also many string modes in groups, mutually isolate by power transfer module, and by ADMINISTRATION SUBSYSTEM each battery pack is managed independently, intelligent degree is high; Each node is by the ethernet module networking, and the communication protocol of combining adaptive realizes by background system is concentrated each node being dispatched, being monitored and controls.Its functionality advantage is embodied in the following aspects:
(1) adopts power transfer module that node is carried out isolation processing, can effectively prevent " sparking " phenomenon of Voltage unbalance causes between battery pack circulation and high tension apparatus access moment;
(2) the system node battery pack structure is simple, can carry out all-round failure diagnosis location to battery, avoids electrical Interference complicated between battery;
(3) system node independent operating, the intra-node battery breaks down, and can carry out shielding processing to the fail battery position by ADMINISTRATION SUBSYSTEM in the node, guarantees the uninterrupted operation of system;
(4) system extension is simple, and system node can the oneself be controlled and regulate, and can discharge and recharge by complete independently, by the Ethernet networking, by the scheduling of background system Real Time Monitoring, the infinite expanding of feasible system;
(5) system node can be according to parameter and the demand of self, the input of adjustment energy, output.
Description of drawings
The structure of the described battery management system of Fig. 1 forms schematic block diagram.
Embodiment
For the ease of it will be appreciated by those skilled in the art that below in conjunction with accompanying drawing and embodiment the utility model is explained in further detail.
Such as Fig. 1, the battery management system that the utility model discloses adopts the distributed energy storage Topology Structure Design, establish the energy storage node that a power control module, a monitoring and dispatching system and a plurality of independently Intelligentized battery pack module form in the system, power control module and monitoring and dispatching system adopt ICP/IP protocol to realize communication, jointly several Intelligentized battery pack modules of dividing into are monitored and are managed.
Wherein, each Intelligentized battery pack module (energy storage node) comprise battery pack, to battery management subsystem, power transfer module and high voltage protective module that should battery pack.Battery adopts single also many string modes in groups in the battery pack.Described high voltage protective module is connected with battery pack, and power transfer module one end is connected with the high voltage protective module, and the other end is connected with dc bus.Battery management subsystem and battery pack gather the battery pack status data, are connected with power transfer module and high voltage protective module, and two modules are controlled; Battery management subsystem in each energy storage node is connected networking with monitoring and dispatching system by Ethernet simultaneously, is connected by the CAN bus with power control module.Power transfer module in each energy storage node all also is connected with power control module, and monitoring and dispatching system is controlled by power control module and then to each power transfer module.
Establish a plurality of battery modules and a plurality of battery management unit BMU in the battery pack under each energy storage node, the unit such as voltage detecting, temperature detection and air-blower control, balanced control also can be set.A battery management unit BMU can manage a plurality of battery modules, gathers the battery module status data by unit such as voltage detecting, temperature detection, and passes to the battery management subsystem corresponding with it by the CAN bus.The battery management subsystem is carried out the operations such as balanced control or air-blower control according to the battery status data that collect.The battery management subsystem also can with the battery status data upload to monitoring and dispatching system, also be accepted the overall scheduling controlling of monitoring and dispatching system simultaneously.
In the present embodiment, battery management subsystem and power transfer module realize the independent operating of node by redundant dry contact, i.e. a plurality of nodes of configuration under power control module and the monitoring and dispatching system, comprise the node of load when satisfying normal the use, also comprise a plurality of secondary nodes, when system breaks down, the part of redundant configuration accesses and bears the work of faulty component, be convenient to maintenance maintenance, do not affect the normal operation of system simultaneously, can reduce the fault time of system.Because battery adopts single also many string modes in groups in the system, namely adopts parallel way to connect at a battery pack internal cell monomer, adopts series system to connect between each battery pack.Each node section independent operating in the system, the battery of a battery pack internal parallel breaks down, can carry out shielding processing to the fail battery position by ADMINISTRATION SUBSYSTEM in the node, the uninterrupted operation of assurance system, ADMINISTRATION SUBSYSTEM is also with this fault information reporting simultaneously, and monitoring and dispatching system can be made integrated scheduling according to running situation.
Adopt battery management system described in the utility model that the extensive battery pack that is composed in parallel by many bunches of lithium battery groups is managed control, realize the uninterrupted power supply to power consumption equipment, and have the peak load shifting effect, reduce distribution and electric cost.Described battery management system is the fluctuation of battery pack cogeneration power smoothly, strengthens the battery pack controllability, reduces the reserve capacity of electric power system, improves power supply reliability; Also can follow the tracks of generation schedule and exert oneself, improve the predictability of cogeneration, reduce the deviation of exerting oneself.
The not concrete functional module of introducing all can adopt this area common technology means in the utility model, does not repeat them here.
Above-described embodiment is the preferred version that the utility model is realized; and indefiniteness is exhaustive; the utility model can also have other variations under same idea; need to prove; do not breaking away under the utility model design prerequisite, any apparent replacement and minor variations are all within protection range of the present utility model.
Claims (6)
1. one kind is applicable to the many bunches of lithium battery groups battery management system that uses in parallel, comprises that a plurality of energy storage nodes, power control module reach and the monitoring and dispatching system of power control module communication, it is characterized in that,
Each energy storage node comprises: battery pack, to battery management subsystem, power transfer module and high voltage protective module that should battery pack; Described high voltage protective module is connected with battery pack, and power transfer module one end is connected with the high voltage protective module, and the other end is connected with dc bus;
The battery management subsystem all is connected with battery pack, power transfer module and high voltage protective module, realizes the collection of battery pack status data, high voltage protective module controls and power transfer module control;
Battery management subsystem in described each energy storage node all is connected with monitoring and dispatching system and power control module; Power transfer module in each energy storage node all is connected with power control module.
2. many bunches of lithium battery groups battery management system that uses in parallel that is applicable to according to claim 1, it is characterized in that: described battery management subsystem and power transfer module are by the independent operating of redundant dry contact realization node.
3. many bunches of lithium battery groups battery management system that uses in parallel that is applicable to according to claim 1, it is characterized in that: described battery management subsystem is connected by Ethernet with monitoring and dispatching system.
4. many bunches of lithium battery groups battery management system that uses in parallel that is applicable to according to claim 1, it is characterized in that: described power transfer module is connected by the CAN bus with power control module.
5. many bunches of lithium battery groups battery management system that uses in parallel that is applicable to according to claim 1, it is characterized in that: battery adopts single also many string modes in groups in the described battery pack, namely adopt parallel way to connect at a battery pack internal cell monomer, adopt series system to connect between each battery pack.
6. the many bunches of lithium battery groups battery management system that uses in parallel that is applicable to according to claim 1 is characterized in that: pass through the ICP/IP protocol communication between described power control module and the monitoring and dispatching system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220136040 CN202712883U (en) | 2012-03-31 | 2012-03-31 | Battery management system suitable for plurality of lithium battery packs connected in parallel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220136040 CN202712883U (en) | 2012-03-31 | 2012-03-31 | Battery management system suitable for plurality of lithium battery packs connected in parallel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202712883U true CN202712883U (en) | 2013-01-30 |
Family
ID=47593148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220136040 Expired - Fee Related CN202712883U (en) | 2012-03-31 | 2012-03-31 | Battery management system suitable for plurality of lithium battery packs connected in parallel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202712883U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103354377A (en) * | 2013-06-26 | 2013-10-16 | 安徽力高新能源技术有限公司 | Automatic circulation control and protection circuit for lithium battery of energy storage power station |
| CN104303388A (en) * | 2013-03-29 | 2015-01-21 | 松下知识产权经营株式会社 | Storage battery pack, electric device, communication control method |
| CN104734259A (en) * | 2013-12-20 | 2015-06-24 | 上海电气集团股份有限公司 | Sodium-sulfur cell operation management system |
| CN104852447A (en) * | 2015-05-26 | 2015-08-19 | 苏州宝时得电动工具有限公司 | System and method for charging battery pack |
| CN104993602A (en) * | 2015-06-22 | 2015-10-21 | 北京清能世福科技有限公司 | Modular energy storage system |
| CN107069976A (en) * | 2017-05-11 | 2017-08-18 | 沃太能源南通有限公司 | A kind of expansible group string data large-scale energy storage system |
| CN110676526A (en) * | 2019-10-11 | 2020-01-10 | 联方云天科技(珠海)有限公司 | Modular battery system with multilayer management system and structure |
| CN112467839A (en) * | 2020-11-23 | 2021-03-09 | 阳光电源股份有限公司 | Battery cluster management device and battery energy storage system |
| US11462917B1 (en) | 2021-12-10 | 2022-10-04 | NDSL, Inc. | Methods, systems, and devices for maintenance and optimization of battery cabinets |
| US11689048B1 (en) | 2021-12-10 | 2023-06-27 | NDSL, Inc. | Methods, systems, and devices for maintenance and optimization of battery cabinets |
-
2012
- 2012-03-31 CN CN 201220136040 patent/CN202712883U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9660464B2 (en) | 2013-03-29 | 2017-05-23 | Panasonic Intellectual Property Management Co., Ltd. | Battery pack, electrical hardware, and communication control method |
| CN104303388A (en) * | 2013-03-29 | 2015-01-21 | 松下知识产权经营株式会社 | Storage battery pack, electric device, communication control method |
| CN104303388B (en) * | 2013-03-29 | 2018-01-05 | 松下知识产权经营株式会社 | Batteries, electrical equipment, communication control method |
| CN103354377A (en) * | 2013-06-26 | 2013-10-16 | 安徽力高新能源技术有限公司 | Automatic circulation control and protection circuit for lithium battery of energy storage power station |
| CN103354377B (en) * | 2013-06-26 | 2016-05-04 | 安徽力高新能源技术有限公司 | A kind of energy-accumulating power station lithium battery automatic ring current control and holding circuit |
| CN104734259A (en) * | 2013-12-20 | 2015-06-24 | 上海电气集团股份有限公司 | Sodium-sulfur cell operation management system |
| CN104852447A (en) * | 2015-05-26 | 2015-08-19 | 苏州宝时得电动工具有限公司 | System and method for charging battery pack |
| CN104852447B (en) * | 2015-05-26 | 2019-04-19 | 苏州宝时得电动工具有限公司 | Battery pack charging system and method |
| CN104993602A (en) * | 2015-06-22 | 2015-10-21 | 北京清能世福科技有限公司 | Modular energy storage system |
| CN107069976A (en) * | 2017-05-11 | 2017-08-18 | 沃太能源南通有限公司 | A kind of expansible group string data large-scale energy storage system |
| CN110676526A (en) * | 2019-10-11 | 2020-01-10 | 联方云天科技(珠海)有限公司 | Modular battery system with multilayer management system and structure |
| CN112467839A (en) * | 2020-11-23 | 2021-03-09 | 阳光电源股份有限公司 | Battery cluster management device and battery energy storage system |
| CN112467839B (en) * | 2020-11-23 | 2023-09-29 | 阳光电源股份有限公司 | Battery cluster management device and battery energy storage system |
| US11462917B1 (en) | 2021-12-10 | 2022-10-04 | NDSL, Inc. | Methods, systems, and devices for maintenance and optimization of battery cabinets |
| US11689048B1 (en) | 2021-12-10 | 2023-06-27 | NDSL, Inc. | Methods, systems, and devices for maintenance and optimization of battery cabinets |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202712883U (en) | Battery management system suitable for plurality of lithium battery packs connected in parallel | |
| CN103595138B (en) | A kind of smart micro-grid system | |
| CN102510089B (en) | Wind-solar storage micro-grid system | |
| CN103595063B (en) | A kind of energy accumulation current converter and battery energy storage system thereof | |
| CN104281977A (en) | Hybrid microgrid application platform and control method theref | |
| CN102290851B (en) | Large-scale energy storing device and main circuit thereof | |
| CN203561844U (en) | Digital and physical hybrid simulation platform based on NI-PXI distributed new energy power generation system | |
| CN202435135U (en) | Intelligent residential area power distribution automation system | |
| CN103532158A (en) | Micro-grid new energy hybrid energy storage system | |
| CN104167763A (en) | Distributed energy management method and distributed energy management device composed of ground layer, intermediate layer and energy management layer | |
| CN202712873U (en) | Intelligent household solar control inverter | |
| CN103595136A (en) | Energy management system of micro-grid | |
| CN104201672A (en) | Novel micro-grid system control device | |
| CN103580052B (en) | A kind of composite energy storage power station for active distribution network and distribution method thereof | |
| CN202363924U (en) | Multifunctional power supply management system | |
| CN104283229A (en) | Comprehensive energy storage power station coordination control system of subsystem self-control mode | |
| CN103117595B (en) | Distributed direct current independent power supply system | |
| CN206023241U (en) | A kind of mixed energy storage system of common DC bus | |
| CN203026959U (en) | Multifunctional energy storage inversion system | |
| CN203119615U (en) | Distributed direct-current independent power supply system | |
| CN204858582U (en) | Old and useless power battery unit network centralized control energy storage system of distributing type | |
| CN202906507U (en) | Distributed cell power supply device and method thereof | |
| CN207638342U (en) | A kind of phosgene storage area domain wisdom micro-grid power generation system that associated gas recycles | |
| CN203299290U (en) | Hybrid-energy-storage-based micro-grid technical verification platform equipment | |
| CN202513848U (en) | Solar generating array monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20200331 |