CN206412441U - The battery management system with battery bag abnormality alarm is managed with intelligent data - Google Patents
The battery management system with battery bag abnormality alarm is managed with intelligent data Download PDFInfo
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- CN206412441U CN206412441U CN201621482164.3U CN201621482164U CN206412441U CN 206412441 U CN206412441 U CN 206412441U CN 201621482164 U CN201621482164 U CN 201621482164U CN 206412441 U CN206412441 U CN 206412441U
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- 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
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Abstract
The utility model discloses a kind of battery management system managed with intelligent data with battery bag abnormality alarm, including BMS data acquisition modules, intelligent communication module, abnormality alarm module and data logger；BMS data acquisition modules, intelligent communication module, abnormality alarm module and data logger are connected by bus；Wherein abnormality alarm module obtains the battery abnormal data that is stored with battery data, abnormality alarm module by bus from BMS data acquisition modules, and whether battery data and battery abnormal data multilevel iudge battery data into exception occur；When battery data occurs abnormal, abnormality alarm module sends a control signal to data logger and intelligent communication module by bus, data transmission module and locating module are provided with intelligent communication module, location information when locating module obtains abnormal, data transmission module transmits the location information and battery data during exception to remote data center, while location information and battery data during data logger recording exceptional.
Description
Technical field
The utility model is related to a kind of management system of battery, especially a kind of management system of automobile batteries.
Background technology
Electric automobile needs to use substantial amounts of lithium battery as its power resources, due to the working characteristics of lithium battery, temperature,
Short circuit, charged state, equilibrium situation can all cause very big influence to the service life of each cell.Widely adopt at present
Automobile batteries is managed with BMS systems, including cell voltage, temperature, Charge Management etc., but it is above-mentioned to lithium battery
Control measures or inadequate, safety in utilization particularly with electric automobile, it is necessary to monitored in real time to lithium battery, and
The state of lithium battery or alarm can be transferred into remote data center in time timely to respond to make.
The content of the invention
For above-mentioned the deficiencies in the prior art, the utility model provides a kind of different with battery bag with intelligent data management
The battery management system of normal alarm, can in real time be monitored to battery and judge whether to occur abnormal conditions, and it is timely to
Remote data center is circulated a notice of.
The utility model is realized in that above-mentioned purpose：
The battery management system with battery bag abnormality alarm, including BMS data acquisition modules, intelligence are managed with intelligent data
Can communication module, abnormality alarm module and data logger；BMS data acquisition modules, intelligent communication module, abnormality alarm mould
Block and data logger are connected by bus.BMS data acquisition modules obtain battery data and pass through bus transfer to intelligence
Communication module, data logger and abnormality alarm module；Data logger records battery data；Provided with number in intelligent communication module
According to transport module, data transmission module transmits battery data to remote data center；Be stored with battery in abnormality alarm module
Whether abnormal data, there is exception by battery data and battery abnormal data multilevel iudge battery data；When battery data occurs
When abnormal, abnormality alarm module sends a control signal to data logger and intelligent communication module by bus；Intelligence communication
It is additionally provided with locating module in module, location information when locating module obtains abnormal, data transmission module is by positioning during exception
Information and battery data are transmitted to remote data center, while location information and cell number during data logger recording exceptional
According to.
Wherein, the intelligent communication module is made up of MCU, locating module, data transmission module, wherein MCU communication ends
Mouth is connected with bus, and locating module and data transmission module are connected with MCU corresponding port；Wherein data transmission module includes
Line network transmission, WiFi transmission, mobile network's transmission and short message.
The beneficial effects of the utility model are：BMS data acquisition modules gather all related datas of battery in real time, including
Voltage, electric current, temperature etc.；Then abnormality alarm module is transferred data to by bus and carries out data processing, once find number
According to there are abnormal conditions, then abnormality alarm module will by abnormal data Cun Chudao data loggers simultaneously by abnormal number
Remote data center is transferred to according to by intelligent communication module, in order to which remote data center can be carried out in fact according to abnormal conditions
When monitoring and take effective control measure.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples：
Fig. 1 is structural representation of the present utility model.
Embodiment
Reference picture 1, is managed with intelligent data and the battery management system of battery bag abnormality alarm has following characteristics：
1）BMS data collecting module collected battery datas.Under normal circumstances, battery data is divided into real time data and complete number
According to.Real-time Data Transmission is sent immediately to intelligent communication module；Partial data is stored in data logger, and by intelligence communication
Module is uploaded.When battery bag occurs after exception, abnormality alarm modular diagnostic, warning information is sent using interruption-response mode.
2）The battery data of abnormality alarm module analysis collection, diagnosis battery bag is abnormal, and abnormality alarm type is divided into：Battery
Overheating fault, battery insulation failure, monomer over-voltage fault, battery over current fault, monomer under-voltage fault, BMU communication overtimes, VCU
Communication overtime, smog failure, charger communication overtime, battery self-inspection failure, monomer pressure difference is excessive, excessive temperature differentials, total positive relay
Device abnormal state, always negative relay status is abnormal, and preliminary filling relay status is abnormal, high-voltage interlocking abnormal state, the too low event of temperature
Barrier, charge relay abnormal state, battery bag tears lid alarm etc. open.
When abnormal conditions occur, battery management system uses interruption-response mode, by BMS data acquisition modules and positioning
The Data Integration of module, generation real-time alert information and complete warning information.
Real-time alert information is encoded by alarm types, battery packet encoder and grade coding are constituted and constituted, and passes through intelligence communication
Module, selects real-time highest communication mode, such as cable network, WiFi, short message, mobile network send police in the short time
Notify breath.
Complete warning information is by the completed cell data at abnormal moment, abnormality alarm type, positional information, temporal information group
Into being preserved by data logger.
3）Data logger caches historical data, and with mark-deleting mechanism.All historical datas of battery bag are delayed
Exist in data memory module, the data after upload are coupled with mark.When storage is expired, data cached whether upload to judged
Data center, will meet the data cached deletion of flag condition；If internal memory is still inadequate after deleting, FIFO principles are taken, are write
Enter new data cover time earliest data.
4）Intelligent communication module controls locating module and data transmission module by MCU connections, can be achieved to obtain positioning letter
Breath, correction time information and adaptively selected transmission path are to send the function of information.
Wherein, locating module determines position location information and obtains temporal information and carry out accurate correction local zone time, is
The data of BMS modules collection add location information and temporal information.Possess track record, tracking function, it is ensured that all battery bags
Time consistency.
The data transmission module of MUC controls, according to current network conditions, in available communication mode, according to priority
Select optimal transmission paths, uploads of battery data.Priority is：Wire transmission>Wi-Fi>Mobile network.
The corresponding comprising modules of this management system are explained in detail below.
1）BMS data acquisition modules
BMS data acquisition modules are joined directly together with all batteries, can monitor monomer battery voltage, battery pack diverse location
Temperature, assembled battery total voltage, battery pack SoC, electric current etc..The battery data of collection passes through transmission to data logger
Preserve, further by intelligent communication module, data are uploaded in suitable network environment.
The battery data of BMS collections is different when detecting battery bag simultaneously by transmission to abnormality alarm module
Reason condition, including：Battery operation abnormal state, battery bag are illegally disassembled, battery charging exception, battery failures, battery packet communication
Failure etc., battery management system uses interruption-response mode, and abnormality alarm module sends warning information immediately.
2）Abnormality alarm module
BMS collection battery datas are transmitted to abnormality alarm module, and whether the module goes out to data analysis, diagnosis battery bag
Now abnormal, the abnormal conditions include：Battery overheating fault, battery insulation failure, monomer over-voltage fault, battery over current fault,
Monomer under-voltage fault, BMU communication overtimes, VCU communication overtimes, smog failure, charger communication overtime, battery self-inspection failure is single
Body pressure difference is excessive, excessive temperature differentials, and total positive relay status is abnormal, and always negative relay status is abnormal, and preliminary filling relay status is abnormal,
High-voltage interlocking abnormal state, the too low failure of temperature, charge relay abnormal state, battery bag tears lid alarm etc. open.Abnormal conditions are sent out
When raw, battery management system uses interruption-response mode, by BMS data acquisition modules and the Data Integration of locating module, generation
Real-time alert information and complete warning information.
Alarm modules obtain the present battery partial data of BMS data acquisition modules measurement by CAN communication bus, fixed
The currently active location information and temporal information of position module collection, generate two class warning informations：Real-time alert information and complete police
Notify breath.Real-time alert information is sent immediately, for sending alarm within the most fast time, notifies battery management person；Complete alarm
Information is preserved by data logger, regularly uploads to data center, for repair battery failures and analysis battery bag state there is provided
Data are supported.
Real-time alert information is made up of abnormality alarm type, battery packet encoder, temporal information, after alarm modules generation, is led to
Cross communication bus and be conveyed to intelligent communication module, communication module selection real-time highest communication mode, such as short message, mobile network
Deng to default mailing address transmission warning information.
Complete warning information is by the completed cell data at abnormal moment, abnormality alarm type, positional information, temporal information group
Into after the generation of, alarm modules, data logger is conveyed to by CAN communication bus and preserved.
Effective location information refers to, when the satellite-signal that locating module is received completely can use, it is determined that geography
Positional information, or when locating module is unavailable, the last time positioning read out from data memory module is successful geographical
Positional information.
The battery bag is abnormal as follows with hierarchical coding：
3）Data logger
After the battery data of BMS collections is plus location tags and time tag, remembered by CAN communication bus transfer to data
Record instrument is preserved, and data logger uses caching-deleting mechanism, and battery data is effectively managed.
The battery data preserved in data logger, intelligent data transmission module for example has under suitable network environment
Line connect or Wi-Fi connection, with remote data center shake hands foundation be connected after, upload the data to data center, successfully upload
The confirmation of data center is received afterwards, and data memory module adds to the data uploaded and uploaded mark.
When the memory space inadequate of data memory module, the service data of battery bag BMS collections can not be continued to write to, then
Judge it is data cached whether upload to data center, that is, have when checking the battery data in internal memory and uploaded mark, will meet
The data cached deletion of the deletion condition.
If memory space is still not enough after deleting, the time tag of the current all battery datas of retrieval is earliest from the time
Data start, by new battery data write-in covering legacy data.
4）Intelligent communication module
Intelligent communication module is made up of MUC, locating module, data transmission module, MCU connections control locating module and data
Module, provides acquisition location information, correction time information and adaptively selected transmission path to send letter for battery management system
The function of breath.
1. the positional information of locating module：
After BMS modules collection one-shot battery service data, being initiated by CAN communication bus to intelligent communication module please
Ask, inquire about current location information, if the satellite-signal that current locating module receives can use, positioning obtains the geographical seat of battery bag
Mark, is that this battery data adds geographical location information.
2. temporal information and the correction of locating module：
After BMS modules collection one-shot battery service data, being initiated by CAN communication bus to intelligent communication module please
Ask, inquire about current time, be that this battery data adds temporal information.
To ensure the time consistency of multiple battery bags and data center, battery bag understands timing by position location satellite time service,
Correct the time of battery management system.The global time service of high accuracy, the battery management of different battery bags can be carried out using alignment system
The time signal that locating module is exported is modified to the standard time by system, just can when different battery bags between time accurately unite
One, its precision can reach for tens nanoseconds.
3. data transmission module
The system has four kinds of data transfer modes：Cable-network transmission, WiFi transmission, mobile network are transmitted and short
Letter, for uploads of battery data, sends abnormality alarm.
When battery bag is normally run, the real time data of BMS modules collection is transmitted to intelligent communication module by CAN,
Send immediately.Intelligence communication is according to current network conditions, in available communication mode, and optimal transmission road is selected according to priority
Footpath, priority is：Wire transmission>Wi-Fi>Mobile network.
When battery bag is normally run, the historical data preserved in data logger, by intelligent communication module according to current net
Network environment, in available communication mode, optimal transmission paths is selected according to priority, priority is：Wire transmission>Wi-Fi.
Factor data amount is big, in the environment of only mobile network, does not upload historical data.
When abnormal conditions occurs in battery bag, abnormality alarm module generation real-time alert information is sent, so by short message first
Data center initiates instruction afterwards, asks warning information, and detailed data is uploaded after foundation connection of shaking hands.
Intelligent Path selection is as follows：
Claims (2)
1. manage the battery management system with battery bag abnormality alarm with intelligent data, it is characterised in that：Adopted including BMS data
Collect module, intelligent communication module, abnormality alarm module and data logger；BMS data acquisition modules, intelligent communication module,
Abnormality alarm module and data logger are connected by bus.
2. the battery management system according to claim 1 managed with intelligent data with battery bag abnormality alarm, it is special
Levy and be：The intelligent communication module is made up of MCU, locating module, data transmission module, wherein MCU COM1 with it is total
Line is connected, and locating module and data transmission module are connected with MCU corresponding port；Wherein data transmission module includes cable network
Transmission, WiFi transmission, mobile network's transmission and short message.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112193073A (en) * | 2020-09-30 | 2021-01-08 | 江苏悦达专用车有限公司 | Power reduction processing system for whole vehicle controller of electric vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112193073A (en) * | 2020-09-30 | 2021-01-08 | 江苏悦达专用车有限公司 | Power reduction processing system for whole vehicle controller of electric vehicle |
| CN112193073B (en) * | 2020-09-30 | 2023-09-08 | 江苏悦达专用车有限公司 | Power-reduction processing system of whole electric vehicle controller |
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